/* roulang page: index */
:root{
      --bg:#fbfaf7;
      --bg-soft:#f3f7f8;
      --bg-blue:#eef6fb;
      --surface:#ffffff;
      --surface-2:#f8fbfc;
      --text:#1f2a37;
      --heading:#122033;
      --muted:#667789;
      --muted-2:#8a99a8;
      --primary:#315f7d;
      --primary-dark:#234a62;
      --primary-soft:#e4f0f6;
      --cyan:#6e9da7;
      --accent:#d9873b;
      --accent-dark:#b96924;
      --accent-soft:#fff0df;
      --border:#dfe9ee;
      --border-strong:#c8d9e1;
      --shadow-sm:0 8px 20px rgba(32,72,96,.07);
      --shadow:0 18px 45px rgba(31,69,88,.12);
      --shadow-lg:0 28px 70px rgba(31,69,88,.16);
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:28px;
      --container:1240px;
      --nav-height:78px;
      --ease:cubic-bezier(.2,.7,.2,1);
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 4%, rgba(110,157,167,.14), transparent 30%),
        radial-gradient(circle at 92% 10%, rgba(217,135,59,.11), transparent 26%),
        var(--bg);
      line-height:1.72;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:var(--primary);color:#fff}

    .container{
      width:min(calc(100% - 40px),var(--container));
      margin-inline:auto;
    }
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(255,255,255,.76);
      color:var(--primary);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
      box-shadow:var(--shadow-sm);
    }
    .eyebrow::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(217,135,59,.12);
    }
    h1,h2,h3{color:var(--heading);line-height:1.18;letter-spacing:-.02em}
    h1{font-size:clamp(34px,5vw,56px);font-weight:800}
    h2{font-size:clamp(28px,3.4vw,38px);font-weight:800}
    h3{font-size:clamp(20px,2vw,24px);font-weight:760}
    p{color:var(--muted)}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-head .copy{max-width:660px}
    .section-head p{margin-top:12px;font-size:17px}
    .subtle-line{
      height:1px;
      background:linear-gradient(90deg,transparent,var(--border),transparent);
      margin:18px 0;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      height:var(--nav-height);
      background:rgba(251,250,247,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(205,222,230,.72);
    }
    .nav{
      height:var(--nav-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:260px;
    }
    .brand-mark{
      width:44px;height:44px;
      border-radius:15px;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      box-shadow:0 12px 26px rgba(49,95,125,.22);
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand-title{
      font-size:15px;
      font-weight:800;
      color:var(--heading);
      max-width:260px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      margin-top:4px;
      font-size:12px;
      color:var(--muted-2);
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .nav-link{
      padding:10px 14px;
      border-radius:999px;
      color:#445565;
      font-weight:700;
      font-size:15px;
      transition:.22s var(--ease);
    }
    .nav-link:hover{
      background:var(--primary-soft);
      color:var(--primary-dark);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:var(--primary-dark);
      background:#fff;
      box-shadow:var(--shadow-sm);
      border:1px solid var(--border);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;
      width:44px;height:44px;
      border-radius:14px;
      border:1px solid var(--border);
      background:#fff;
      color:var(--primary);
    }
    .menu-toggle span{
      display:block;
      width:18px;height:2px;
      background:currentColor;
      margin:4px auto;
      border-radius:2px;
      transition:.2s;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border-radius:14px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 14px 28px rgba(49,95,125,.24);
    }
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 18px 34px rgba(49,95,125,.3)}
    .btn-primary:active,.btn-secondary:active,.btn-accent:active{transform:translateY(0) scale(.99)}
    .btn-secondary{
      background:#fff;
      color:var(--primary-dark);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}
    .btn-accent{
      background:var(--accent);
      color:#fff;
      box-shadow:0 14px 30px rgba(217,135,59,.24);
    }
    .btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px)}
    .btn[disabled],button[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(217,135,59,.34);
      outline-offset:3px;
    }

    .hero{
      padding:70px 0 56px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:54px;
      align-items:center;
    }
    .hero-copy{
      position:relative;
      z-index:2;
    }
    .hero h1{margin-top:18px;max-width:720px}
    .hero .lead{
      margin-top:22px;
      font-size:18px;
      max-width:650px;
      color:#536577;
    }
    .hero-actions{
      margin-top:30px;
      display:flex;
      gap:14px;
      flex-wrap:wrap;
    }
    .trust-tags{
      margin-top:26px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:#526373;
      font-size:13px;
      font-weight:700;
    }
    .tag::before{
      content:"";
      width:6px;height:6px;border-radius:50%;
      background:var(--cyan);
    }

    .hero-visual{
      min-height:520px;
      position:relative;
      border-radius:34px;
      background:
        linear-gradient(145deg,rgba(255,255,255,.95),rgba(239,247,250,.92));
      border:1px solid var(--border);
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      padding:28px;
    }
    .hero-visual::before{
      content:"";
      position:absolute;
      inset:auto -80px -100px auto;
      width:280px;height:280px;
      border-radius:50%;
      background:rgba(217,135,59,.13);
    }
    .hero-visual::after{
      content:"";
      position:absolute;
      inset:-90px auto auto -80px;
      width:250px;height:250px;
      border-radius:50%;
      background:rgba(49,95,125,.13);
    }
    .visual-board{
      position:relative;
      z-index:2;
      height:100%;
      display:grid;
      grid-template-rows:auto 1fr auto;
      gap:18px;
    }
    .board-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
    }
    .status-pill{
      padding:8px 12px;
      border-radius:999px;
      background:var(--accent-soft);
      color:var(--accent-dark);
      font-size:13px;
      font-weight:800;
    }
    .mini-tabs{display:flex;gap:8px}
    .mini-tabs span{
      width:34px;height:10px;border-radius:99px;background:#dcebf1;
    }
    .mini-tabs span:nth-child(2){width:54px;background:#bcd5df}
    .bracket-wrap{
      position:relative;
      margin-top:12px;
      display:grid;
      grid-template-columns:1fr 44px 1fr 44px 1fr;
      gap:10px;
      align-items:center;
      min-height:320px;
    }
    .round{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .resource-node{
      background:#fff;
      border:1px solid var(--border);
      border-radius:16px;
      padding:14px;
      box-shadow:var(--shadow-sm);
      transition:.22s var(--ease);
    }
    .resource-node:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bed4df}
    .node-title{
      font-weight:800;
      color:var(--heading);
      font-size:14px;
      display:flex;
      justify-content:space-between;
      gap:8px;
    }
    .node-title em{
      font-style:normal;
      color:var(--accent);
      font-size:12px;
    }
    .node-bar{
      margin-top:10px;
      height:8px;border-radius:99px;background:#edf4f7;overflow:hidden;
    }
    .node-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--cyan))}
    .connector{
      height:2px;
      background:linear-gradient(90deg,#c8dce5,#9bbdcc);
      position:relative;
    }
    .connector::before,.connector::after{
      content:"";
      position:absolute;
      right:0;
      width:2px;height:82px;
      background:#c8dce5;
      border-radius:2px;
    }
    .connector::before{bottom:0}
    .connector::after{top:0}
    .final-card{
      background:var(--primary);
      color:#fff;
      border-radius:22px;
      padding:22px;
      box-shadow:0 22px 42px rgba(49,95,125,.24);
    }
    .final-card strong{display:block;font-size:25px;line-height:1.25}
    .final-card span{display:block;margin-top:10px;color:rgba(255,255,255,.78);font-size:14px}
    .board-bottom{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:12px;
    }
    .score-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:16px;
      padding:14px;
    }
    .score-card b{font-size:24px;color:var(--heading)}
    .score-card small{display:block;color:var(--muted);font-weight:700}

    .capability-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      align-items:stretch;
    }
    .feature-main,.feature-side{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:30px;
      transition:.24s var(--ease);
    }
    .feature-main:hover,.feature-side:hover,.plan-card:hover,.case-card:hover,.content-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-lg);
      border-color:#bfd5df;
    }
    .feature-main{
      display:grid;
      grid-template-columns:1fr .78fr;
      gap:28px;
      min-height:330px;
      background:
        linear-gradient(135deg,#fff 0%,#fff 54%,#eef6fb 100%);
    }
    .feature-icon,.icon{
      width:48px;height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:900;
      font-size:22px;
    }
    .feature-main h3,.feature-side h3{margin-top:18px}
    .feature-main p,.feature-side p{margin-top:12px}
    .small-link{
      margin-top:18px;
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--primary);
      font-weight:800;
    }
    .small-link:hover{color:var(--accent-dark)}
    .feature-rank{
      align-self:end;
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      padding:18px;
      box-shadow:var(--shadow-sm);
    }
    .rank-row{
      display:flex;
      justify-content:space-between;
      gap:10px;
      padding:12px 0;
      border-bottom:1px dashed var(--border);
      color:#4c5d6d;
      font-weight:750;
    }
    .rank-row:last-child{border-bottom:0}
    .rank-row span:first-child{color:var(--muted)}
    .rank-row b{color:var(--accent)}
    .side-grid{
      display:grid;
      grid-template-rows:1fr 1fr;
      gap:24px;
    }

    .category-strip{
      background:var(--surface);
      border-top:1px solid var(--border);
      border-bottom:1px solid var(--border);
    }
    .category-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      padding:34px;
      border-radius:26px;
      background:linear-gradient(135deg,var(--bg-blue),#fff);
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .category-card p{margin-top:10px;max-width:760px}
    .category-meta{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:16px;
    }

    .stats-wrap{
      background:var(--primary-dark);
      color:#fff;
      border-radius:34px;
      padding:34px;
      display:grid;
      grid-template-columns:1.05fr 1.4fr;
      gap:26px;
      align-items:center;
      box-shadow:var(--shadow-lg);
      position:relative;
      overflow:hidden;
    }
    .stats-wrap::after{
      content:"";
      position:absolute;
      right:-80px;top:-110px;
      width:260px;height:260px;border-radius:50%;
      background:rgba(255,255,255,.08);
    }
    .stats-wrap h2{color:#fff}
    .stats-wrap p{color:rgba(255,255,255,.76);margin-top:12px}
    .stats-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .stat{
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.16);
      border-radius:20px;
      padding:18px;
    }
    .stat b{display:block;font-size:34px;color:#fff;line-height:1}
    .stat span{display:block;margin-top:10px;color:rgba(255,255,255,.74);font-weight:700;font-size:14px}

    .case-flow{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      align-items:center;
    }
    .case-aside{
      background:var(--bg-blue);
      border:1px solid var(--border);
      border-radius:28px;
      padding:30px;
    }
    .case-aside p{margin-top:12px}
    .stage-list{margin-top:22px;display:grid;gap:12px}
    .stage{
      display:flex;
      gap:12px;
      align-items:center;
      background:#fff;
      border:1px solid var(--border);
      border-radius:16px;
      padding:13px;
      font-weight:800;
      color:var(--heading);
    }
    .stage i{
      width:30px;height:30px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:var(--accent-soft);
      color:var(--accent-dark);
      font-style:normal;
      flex:0 0 auto;
    }
    .case-stack{display:grid;gap:18px}
    .case-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:24px;
      box-shadow:var(--shadow-sm);
      display:grid;
      grid-template-columns:88px 1fr auto;
      gap:20px;
      align-items:center;
      transition:.24s var(--ease);
    }
    .case-thumb{
      width:88px;height:88px;border-radius:22px;
      background:
        linear-gradient(135deg,rgba(49,95,125,.14),rgba(110,157,167,.18)),
        #f8fbfc;
      display:grid;
      place-items:center;
      color:var(--primary);
      font-size:28px;
      font-weight:900;
    }
    .case-card p{margin-top:6px}
    .result-tags{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
    .badge{
      display:inline-flex;
      align-items:center;
      padding:5px 9px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:12px;
      font-weight:800;
    }
    .badge.hot{background:var(--accent-soft);color:var(--accent-dark)}

    .plans{
      background:var(--bg-soft);
      border-top:1px solid var(--border);
      border-bottom:1px solid var(--border);
    }
    .plan-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
      align-items:stretch;
    }
    .plan-card{
      position:relative;
      background:#fff;
      border:1px solid var(--border);
      border-radius:26px;
      padding:26px;
      box-shadow:var(--shadow-sm);
      transition:.24s var(--ease);
    }
    .plan-card.recommended{
      border-color:rgba(217,135,59,.48);
      box-shadow:0 22px 50px rgba(217,135,59,.13);
    }
    .recommend{
      position:absolute;
      top:18px;right:18px;
      background:var(--accent);
      color:#fff;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:900;
    }
    .plan-card h3{margin-top:20px}
    .plan-desc{margin-top:10px;min-height:55px}
    .plan-list{
      list-style:none;
      margin:20px 0 24px;
      display:grid;
      gap:11px;
    }
    .plan-list li{
      display:flex;
      gap:10px;
      color:#526373;
      font-weight:650;
    }
    .plan-list li::before{
      content:"✓";
      width:20px;height:20px;
      border-radius:50%;
      background:var(--primary-soft);
      color:var(--primary);
      display:grid;
      place-items:center;
      flex:0 0 auto;
      font-size:12px;
      font-weight:900;
      margin-top:3px;
    }

    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .process-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      padding:22px;
      position:relative;
      box-shadow:var(--shadow-sm);
    }
    .process-no{
      width:42px;height:42px;
      border-radius:14px;
      background:var(--primary);
      color:#fff;
      display:grid;
      place-items:center;
      font-weight:900;
      margin-bottom:18px;
    }
    .process-card p{margin-top:9px;font-size:15px}

    .faq-layout{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:34px;
      align-items:start;
    }
    .faq-intro{
      position:sticky;
      top:110px;
      background:#fff;
      border:1px solid var(--border);
      border-radius:28px;
      padding:28px;
      box-shadow:var(--shadow-sm);
    }
    .faq-intro p{margin-top:12px}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      background:#fff;
      border:1px solid var(--border);
      border-radius:18px;
      overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
      padding:20px 22px;
      color:var(--heading);
      font-weight:850;
      text-align:left;
    }
    .faq-question .arrow{
      width:28px;height:28px;
      border-radius:50%;
      background:var(--primary-soft);
      display:grid;
      place-items:center;
      color:var(--primary);
      transition:.22s var(--ease);
      flex:0 0 auto;
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s var(--ease);
    }
    .faq-answer p{
      padding:0 22px 20px;
      color:#5a6b7b;
    }
    .faq-item.open .faq-answer{max-height:180px}
    .faq-item.open .arrow{transform:rotate(45deg);background:var(--accent-soft);color:var(--accent-dark)}

    .contact-cta{
      padding:0 0 88px;
    }
    .cta-panel{
      display:grid;
      grid-template-columns:1fr .88fr;
      gap:28px;
      background:
        linear-gradient(135deg,#ffffff 0%,#f1f8fb 100%);
      border:1px solid var(--border);
      border-radius:34px;
      padding:34px;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      width:220px;height:220px;
      right:-70px;bottom:-90px;
      border-radius:50%;
      background:rgba(217,135,59,.12);
    }
    .contact-copy{position:relative;z-index:1}
    .contact-copy p{margin-top:14px;font-size:17px;max-width:620px}
    .promise-list{
      margin-top:24px;
      display:grid;
      gap:12px;
    }
    .promise{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#425464;
      font-weight:700;
    }
    .promise i{
      width:26px;height:26px;
      border-radius:9px;
      background:var(--primary-soft);
      color:var(--primary);
      display:grid;
      place-items:center;
      font-style:normal;
      flex:0 0 auto;
    }
    .contact-form{
      position:relative;
      z-index:1;
      background:#fff;
      border:1px solid var(--border);
      border-radius:26px;
      padding:24px;
      box-shadow:var(--shadow-sm);
    }
    .form-grid{display:grid;gap:14px}
    .field label{
      display:block;
      margin-bottom:7px;
      color:var(--heading);
      font-weight:800;
      font-size:14px;
    }
    .field input,.field textarea{
      width:100%;
      border:1px solid var(--border-strong);
      background:#fbfdfe;
      border-radius:14px;
      min-height:48px;
      padding:12px 14px;
      color:var(--text);
      transition:.2s var(--ease);
    }
    .field textarea{min-height:108px;resize:vertical}
    .field input:hover,.field textarea:hover{border-color:#a9c4d0}
    .field input:focus,.field textarea:focus{
      border-color:var(--primary);
      background:#fff;
      box-shadow:0 0 0 4px rgba(49,95,125,.1);
      outline:none;
    }
    .form-tip{
      margin-top:10px;
      color:var(--muted-2);
      font-size:13px;
    }
    .error-text{display:none;margin-top:6px;color:#b8452d;font-size:13px}
    .field.error input,.field.error textarea{border-color:#d56a55;background:#fff8f6}
    .field.error .error-text{display:block}
    .loading-state{
      position:relative;
      color:transparent!important;
      pointer-events:none;
    }
    .loading-state::after{
      content:"";
      width:18px;height:18px;
      border-radius:50%;
      border:2px solid rgba(255,255,255,.55);
      border-top-color:#fff;
      position:absolute;
      animation:spin .8s linear infinite;
    }
    @keyframes spin{to{transform:rotate(360deg)}}
    .empty-state{
      border:1px dashed var(--border-strong);
      border-radius:18px;
      padding:22px;
      color:var(--muted);
      background:var(--surface-2);
      text-align:center;
    }

    .site-footer{
      background:#172433;
      color:#d7e0e6;
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr .9fr;
      gap:36px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{box-shadow:none}
    .footer-brand strong{color:#fff;font-size:17px}
    .site-footer p{color:#aebbc5}
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:#b9c6cf;
      transition:.2s;
    }
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      color:#95a4af;
      font-size:14px;
    }

    @media (max-width:1100px){
      .hero-grid,.capability-layout,.case-flow,.faq-layout,.cta-panel,.stats-wrap{grid-template-columns:1fr}
      .hero-visual{min-height:470px}
      .stats-grid{grid-template-columns:repeat(2,1fr)}
      .feature-main{grid-template-columns:1fr}
      .plan-grid{grid-template-columns:1fr 1fr}
      .process-grid{grid-template-columns:1fr 1fr}
      .faq-intro{position:static}
    }
    @media (max-width:860px){
      :root{--nav-height:70px}
      .container{width:min(calc(100% - 28px),var(--container))}
      .section{padding:62px 0}
      .nav-links{
        position:fixed;
        left:14px;right:14px;top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        border:1px solid var(--border);
        border-radius:22px;
        padding:14px;
        box-shadow:var(--shadow-lg);
      }
      .nav-links.open{display:flex}
      .nav-link{padding:13px 14px}
      .menu-toggle{display:block}
      .nav-actions .btn{display:none}
      .nav-links .mobile-cta{display:flex}
      .brand{min-width:auto}
      .brand-title{max-width:190px}
      .hero{padding:42px 0 42px}
      .hero-visual{min-height:auto;padding:20px}
      .bracket-wrap{
        grid-template-columns:1fr;
        min-height:auto;
      }
      .connector{height:24px;width:2px;margin:auto}
      .connector::before,.connector::after{display:none}
      .board-bottom{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head .btn{margin-top:18px}
      .category-card{grid-template-columns:1fr;padding:24px}
      .case-card{grid-template-columns:70px 1fr}
      .case-card .btn{grid-column:1/-1;width:100%}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:620px){
      body{font-size:15px}
      .hero-actions,.category-card .btn,.contact-form .btn{width:100%}
      .hero-actions .btn{width:100%}
      .plan-grid,.process-grid,.stats-grid{grid-template-columns:1fr}
      .feature-main,.feature-side,.cta-panel,.stats-wrap{padding:22px;border-radius:24px}
      .case-card{grid-template-columns:1fr;padding:20px}
      .case-thumb{width:64px;height:64px;border-radius:18px}
      .brand-sub{display:none}
      .brand-title{max-width:165px;font-size:14px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media (max-width:420px){
      .container{width:min(calc(100% - 22px),var(--container))}
      h1{font-size:31px}
      h2{font-size:27px}
      .hero .lead,.section-head p{font-size:16px}
      .tag{font-size:12px}
      .hero-visual{border-radius:24px}
    }

/* roulang page: category1 */
:root{
  --bg:#f4f7fb;
  --bg-soft:#edf4fb;
  --card:#ffffff;
  --text:#19324b;
  --muted:#61738a;
  --line:#d8e3ef;
  --line-strong:#bfd1e3;
  --primary:#4a78b6;
  --primary-deep:#325f98;
  --primary-soft:#e8f0fb;
  --accent:#d98f4b;
  --accent-soft:#fff1e2;
  --success:#2f8f74;
  --shadow:0 14px 34px rgba(27,49,79,.08);
  --shadow-lg:0 22px 50px rgba(27,49,79,.12);
  --radius:20px;
  --radius-sm:14px;
  --container:1280px;
  --header-h:84px;
  --transition:180ms ease;
}

*,
*::before,
*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(74,120,182,.10), transparent 34%),
    radial-gradient(circle at top right, rgba(217,143,75,.08), transparent 30%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 42%, #f5f8fc 100%);
  line-height:1.7;
  overflow-x:hidden;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(74,120,182,.18); color:var(--text)}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
:focus{outline:none}
:focus-visible{
  outline:3px solid rgba(74,120,182,.22);
  outline-offset:3px;
  border-radius:12px;
}

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

.site-header{
  position:sticky;
  top:0;
  z-index:1200;
  background:rgba(247,250,254,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid rgba(216,227,239,.88);
  box-shadow:0 8px 24px rgba(22,43,68,.04);
}
.site-header .nav{
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  position:relative;
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.brand-mark{
  width:46px;
  height:46px;
  border-radius:16px;
  display:grid;
  place-items:center;
  color:#fff;
  background:linear-gradient(145deg, var(--primary) 0%, #6f97c8 100%);
  box-shadow:0 10px 18px rgba(74,120,182,.22);
  flex:0 0 auto;
  font-weight:800;
  letter-spacing:.04em;
}
.brand-text{
  display:flex;
  flex-direction:column;
  gap:2px;
  min-width:0;
}
.brand-title{
  font-size:17px;
  font-weight:800;
  color:var(--text);
  line-height:1.1;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-sub{
  font-size:12px;
  color:var(--muted);
  letter-spacing:.04em;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.nav-link{
  padding:11px 16px;
  border-radius:999px;
  color:var(--muted);
  font-weight:600;
  transition:background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.nav-link:hover{
  background:var(--primary-soft);
  color:var(--primary-deep);
}
.nav-link.active{
  background:rgba(74,120,182,.12);
  color:var(--primary-deep);
  box-shadow:inset 0 0 0 1px rgba(74,120,182,.16);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 18px;
  border-radius:14px;
  border:1px solid transparent;
  font-weight:700;
  letter-spacing:.01em;
  transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition);
  user-select:none;
}
.btn:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 24px rgba(27,49,79,.10);
}
.btn:active{transform:translateY(0)}
.btn-primary{
  background:linear-gradient(145deg, var(--primary) 0%, var(--primary-deep) 100%);
  color:#fff;
  box-shadow:0 14px 24px rgba(74,120,182,.18);
}
.btn-primary:hover{
  background:linear-gradient(145deg, #5a87c1 0%, #335f95 100%);
}
.btn-secondary{
  background:#fff;
  border-color:var(--line-strong);
  color:var(--primary-deep);
}
.btn-secondary:hover{
  background:#f7fbff;
  border-color:#a7bed5;
}
.btn-soft{
  background:var(--primary-soft);
  color:var(--primary-deep);
  border-color:rgba(74,120,182,.10);
}
.btn-block{width:100%}
.mobile-cta{display:none}
.menu-toggle{
  display:none;
  width:48px;
  height:48px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  box-shadow:0 10px 20px rgba(27,49,79,.06);
  transition:transform var(--transition), border-color var(--transition), background var(--transition);
}
.menu-toggle:hover{
  transform:translateY(-1px);
  border-color:#b8cde2;
}
.menu-toggle span{
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--primary-deep);
  display:block;
}

main{display:block}
.hero{
  padding:54px 0 28px;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
  gap:34px;
  align-items:center;
}
.hero-copy{
  padding:12px 0;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(74,120,182,.10);
  color:var(--primary-deep);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  margin-bottom:18px;
}
.hero h1{
  margin:0;
  font-size:clamp(34px, 4.2vw, 56px);
  line-height:1.12;
  letter-spacing:-.03em;
  color:var(--text);
  font-weight:800;
  max-width:12em;
}
.hero h1 .accent{
  color:var(--primary-deep);
}
.hero p{
  margin:18px 0 0;
  font-size:17px;
  color:var(--muted);
  max-width:38em;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:22px 0 26px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:36px;
  padding:0 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:#5e7087;
  font-size:13px;
  font-weight:600;
  box-shadow:0 8px 18px rgba(27,49,79,.04);
}
.tag.primary{
  background:rgba(74,120,182,.08);
  color:var(--primary-deep);
  border-color:rgba(74,120,182,.12);
}
.tag.soft{
  background:var(--accent-soft);
  color:#a96324;
  border-color:rgba(217,143,75,.14);
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.hero-note{
  margin-top:14px;
  color:#6a7c91;
  font-size:14px;
}

.hero-visual{
  position:relative;
}
.visual-shell{
  position:relative;
  min-height:430px;
  padding:26px;
  border-radius:28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.95), rgba(247,250,255,.98));
  border:1px solid rgba(214,225,238,.92);
  box-shadow:var(--shadow-lg);
  overflow:hidden;
}
.visual-shell::before{
  content:"";
  position:absolute;
  inset:auto auto -42px -36px;
  width:180px;
  height:180px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(74,120,182,.14), rgba(74,120,182,0) 70%);
}
.visual-shell::after{
  content:"";
  position:absolute;
  inset:24px 24px auto auto;
  width:110px;
  height:110px;
  border-radius:30px;
  background:linear-gradient(145deg, rgba(217,143,75,.15), rgba(217,143,75,.04));
  transform:rotate(14deg);
}
.visual-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.18fr .82fr;
  gap:16px;
  height:100%;
  z-index:1;
}
.visual-card{
  border-radius:22px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:0 12px 26px rgba(29,49,77,.06);
}
.visual-card-main{
  grid-row:span 2;
  padding:22px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  background:
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}
.visual-kicker{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:18px;
}
.visual-kicker strong{
  font-size:15px;
  color:var(--primary-deep);
}
.visual-kicker span{
  font-size:12px;
  color:var(--muted);
  padding:7px 10px;
  border-radius:999px;
  background:var(--primary-soft);
}
.dashboard{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  margin-top:14px;
}
.stat-box{
  padding:14px 12px;
  border-radius:18px;
  background:#f9fbfe;
  border:1px solid var(--line);
}
.stat-box .num{
  display:block;
  font-size:26px;
  line-height:1;
  font-weight:800;
  color:var(--primary-deep);
}
.stat-box .lab{
  display:block;
  margin-top:8px;
  color:var(--muted);
  font-size:12px;
}
.visual-side{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.ring-card{
  padding:18px;
}
.ring-figure{
  height:128px;
  border-radius:22px;
  background:
    radial-gradient(circle at 40% 40%, rgba(74,120,182,.18), transparent 26%),
    radial-gradient(circle at 70% 60%, rgba(217,143,75,.16), transparent 24%),
    linear-gradient(145deg, #f7fbff, #eef4fb);
  border:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.ring-figure::before,
.ring-figure::after{
  content:"";
  position:absolute;
  border-radius:50%;
  border:1px solid rgba(74,120,182,.20);
}
.ring-figure::before{
  width:88px;
  height:88px;
  top:20px;
  left:22px;
}
.ring-figure::after{
  width:128px;
  height:128px;
  right:-8px;
  bottom:-4px;
  border-color:rgba(217,143,75,.18);
}
.visual-mini{
  padding:18px;
}
.visual-mini h3{
  margin:0 0 8px;
  font-size:20px;
  line-height:1.24;
}
.visual-mini p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.visual-mini .mini-tags{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:14px;
}
.mini-chip{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 10px;
  border-radius:999px;
  background:var(--accent-soft);
  color:#a86323;
  border:1px solid rgba(217,143,75,.14);
  font-size:12px;
  font-weight:600;
}
.mini-chip.blue{
  background:var(--primary-soft);
  color:var(--primary-deep);
  border-color:rgba(74,120,182,.12);
}

.section{
  padding:76px 0;
}
.section-soft{
  background:linear-gradient(180deg, rgba(237,243,251,.86), rgba(244,248,252,.96));
  border-top:1px solid rgba(216,227,239,.68);
  border-bottom:1px solid rgba(216,227,239,.68);
}
.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:24px;
}
.section-head h2{
  margin:0;
  font-size:clamp(28px, 2.8vw, 38px);
  line-height:1.18;
  letter-spacing:-.025em;
  font-weight:800;
}
.section-head p{
  margin:0;
  color:var(--muted);
  max-width:48em;
  font-size:16px;
}
.section-kicker{
  display:block;
  color:var(--primary-deep);
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:26px;
  box-shadow:var(--shadow);
}
.intro-panel{
  padding:28px;
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);
  gap:24px;
}
.intro-panel h3{
  margin:0 0 10px;
  font-size:24px;
  line-height:1.28;
}
.intro-panel p{
  margin:0;
  color:var(--muted);
  font-size:16px;
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.metric{
  border-radius:20px;
  border:1px solid var(--line);
  background:linear-gradient(180deg, #fbfdff, #f6f9fd);
  padding:18px 16px;
}
.metric strong{
  display:block;
  font-size:28px;
  line-height:1;
  color:var(--primary-deep);
  font-weight:800;
}
.metric span{
  display:block;
  margin-top:8px;
  color:var(--muted);
  font-size:13px;
}

.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:14px;
  color:var(--muted);
  margin-bottom:18px;
}
.breadcrumb a{
  color:var(--primary-deep);
  font-weight:600;
}
.breadcrumb span.sep{
  color:#9aabbf;
}

.filter-panel{
  padding:24px;
}
.filter-tools{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:20px;
}
.filter-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.filter-chip{
  min-height:40px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  font-weight:700;
  transition:transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.filter-chip:hover{
  transform:translateY(-1px);
  border-color:#b9cde0;
  color:var(--primary-deep);
}
.filter-chip.active,
.filter-chip[aria-pressed="true"]{
  background:rgba(74,120,182,.12);
  color:var(--primary-deep);
  border-color:rgba(74,120,182,.16);
  box-shadow:inset 0 0 0 1px rgba(74,120,182,.08);
}
.search-box{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:280px;
  padding:0 14px;
  min-height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fbfdff;
}
.search-box span{
  color:#7b8ca0;
  font-size:13px;
  font-weight:700;
  white-space:nowrap;
}
.search-box input{
  width:100%;
  border:0;
  outline:none;
  background:transparent;
  color:var(--text);
}
.search-box input::placeholder{color:#9aadbf}

.content-grid{
  display:grid;
  grid-template-columns:minmax(0,1.65fr) minmax(300px,.95fr);
  gap:28px;
  align-items:start;
}
.resource-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.resource-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:22px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:0 12px 26px rgba(29,49,77,.06);
  transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), opacity var(--transition);
}
.resource-card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 34px rgba(29,49,77,.10);
  border-color:#b8cde2;
}
.resource-thumb{
  height:164px;
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:linear-gradient(135deg, #f6f9fe, #edf4fb);
}
.resource-thumb::before,
.resource-thumb::after{
  content:"";
  position:absolute;
  border-radius:50%;
}
.resource-thumb::before{
  width:150px;
  height:150px;
  right:-28px;
  top:-34px;
  background:rgba(74,120,182,.12);
}
.resource-thumb::after{
  width:96px;
  height:96px;
  left:18px;
  bottom:18px;
  background:rgba(217,143,75,.12);
}
.thumb-label{
  position:absolute;
  left:16px;
  top:16px;
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(255,255,255,.88);
  color:var(--primary-deep);
  border:1px solid rgba(74,120,182,.14);
  font-size:12px;
  font-weight:700;
  box-shadow:0 8px 16px rgba(29,49,77,.06);
  z-index:1;
}
.thumb-grid{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  z-index:1;
}
.thumb-grid i{
  display:block;
  width:84px;
  height:84px;
  border-radius:26px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.94), rgba(255,255,255,.72));
  border:1px solid rgba(255,255,255,.65);
  box-shadow:0 14px 30px rgba(36,57,89,.10);
  position:relative;
}
.thumb-grid i::before,
.thumb-grid i::after{
  content:"";
  position:absolute;
  background:linear-gradient(180deg, var(--primary), var(--primary-deep));
  border-radius:999px;
}
.thumb-grid i::before{
  width:26px;
  height:26px;
  left:29px;
  top:18px;
}
.thumb-grid i::after{
  width:42px;
  height:8px;
  left:21px;
  bottom:20px;
  box-shadow:0 -12px 0 0 rgba(74,120,182,.18);
}

.theme-1 .resource-thumb{background:linear-gradient(135deg, #f8fbff, #eaf2fb)}
.theme-2 .resource-thumb{background:linear-gradient(135deg, #fbfcff, #f1f7fd)}
.theme-3 .resource-thumb{background:linear-gradient(135deg, #f8fbff, #edf5f8)}
.theme-4 .resource-thumb{background:linear-gradient(135deg, #fffaf5, #f9f1e7)}
.theme-5 .resource-thumb{background:linear-gradient(135deg, #f8fbff, #edf3fb)}
.theme-6 .resource-thumb{background:linear-gradient(135deg, #f8fcff, #eef6f2)}

.resource-body{
  padding:18px 18px 20px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.badges{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  background:var(--primary-soft);
  color:var(--primary-deep);
}
.badge.warn{
  background:var(--accent-soft);
  color:#a96324;
}
.badge.line{
  background:#fff;
  color:#6b7e94;
  border:1px solid var(--line);
}
.resource-card h3{
  margin:0;
  font-size:20px;
  line-height:1.32;
  letter-spacing:-.02em;
}
.resource-card p{
  margin:0;
  color:var(--muted);
  font-size:15px;
}
.card-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.card-tags .mini-chip{
  height:28px;
  padding:0 10px;
}
.card-footer{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:#738499;
  font-size:13px;
  padding-top:2px;
}
.card-link{
  color:var(--primary-deep);
  font-weight:700;
}
.card-link:hover{text-decoration:underline}

.empty-state{
  grid-column:1 / -1;
  padding:30px;
  border-radius:22px;
  border:1px dashed #bfd1e3;
  background:#f9fbfe;
  color:var(--muted);
  text-align:center;
}
.empty-state strong{
  display:block;
  margin-bottom:8px;
  color:var(--text);
  font-size:18px;
}

.sidebar{
  position:relative;
}
.sidebar-sticky{
  position:sticky;
  top:108px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.side-card{
  padding:22px;
  border-radius:22px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:0 12px 26px rgba(29,49,77,.06);
}
.side-card h3{
  margin:0 0 10px;
  font-size:20px;
  line-height:1.28;
}
.side-card p{
  margin:0;
  color:var(--muted);
  font-size:15px;
}
.side-list{
  list-style:none;
  margin:16px 0 0;
  padding:0;
  display:grid;
  gap:10px;
}
.side-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:#51657c;
  font-size:14px;
}
.side-list li::before{
  content:"";
  width:8px;
  height:8px;
  margin-top:8px;
  border-radius:50%;
  background:var(--primary);
  flex:0 0 auto;
}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}
.tag-cloud a{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 12px;
  border-radius:999px;
  background:#f7fbff;
  border:1px solid var(--line);
  color:var(--primary-deep);
  font-size:13px;
  font-weight:700;
  transition:transform var(--transition), border-color var(--transition), background var(--transition);
}
.tag-cloud a:hover{
  transform:translateY(-1px);
  border-color:#b8cde2;
  background:#eef5fc;
}
.quick-box{
  padding:18px;
  border-radius:18px;
  background:linear-gradient(180deg, #f9fbfe, #f3f7fc);
  border:1px solid var(--line);
}
.quick-box strong{
  display:block;
  font-size:16px;
  margin-bottom:8px;
}
.quick-box ul{
  margin:0;
  padding-left:18px;
  color:var(--muted);
  font-size:14px;
}
.quick-box li + li{margin-top:8px}

.faq-list{
  display:grid;
  gap:14px;
}
.faq-item{
  border-radius:20px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:0 12px 24px rgba(29,49,77,.05);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-weight:700;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  width:30px;
  height:30px;
  border-radius:999px;
  display:grid;
  place-items:center;
  background:var(--primary-soft);
  color:var(--primary-deep);
  font-size:18px;
  flex:0 0 auto;
  transition:transform var(--transition), background var(--transition);
}
.faq-item[open] summary::after{
  content:"–";
  background:rgba(74,120,182,.12);
}
.faq-body{
  padding:0 22px 20px;
  color:var(--muted);
  font-size:15px;
}

.cta-wrap{
  background:
    radial-gradient(circle at top right, rgba(74,120,182,.12), transparent 30%),
    linear-gradient(180deg, #f9fbff, #edf4fb);
  border-top:1px solid rgba(216,227,239,.72);
}
.cta-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(320px, .92fr);
  gap:26px;
  align-items:start;
}
.cta-copy{
  padding:8px 0;
}
.cta-copy h2{
  margin:0 0 12px;
  font-size:clamp(28px, 2.9vw, 40px);
  line-height:1.16;
  font-weight:800;
}
.cta-copy p{
  margin:0 0 18px;
  color:var(--muted);
  font-size:16px;
  max-width:34em;
}
.promise-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:12px;
}
.promise-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  border-radius:18px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:0 10px 22px rgba(29,49,77,.04);
  color:#50657b;
  font-size:14px;
}
.promise-list li::before{
  content:"";
  width:11px;
  height:11px;
  border-radius:50%;
  margin-top:6px;
  background:linear-gradient(145deg, var(--primary), var(--primary-deep));
  flex:0 0 auto;
  box-shadow:0 0 0 5px rgba(74,120,182,.10);
}
.form-card{
  padding:24px;
  border-radius:24px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow);
}
.form-card h3{
  margin:0 0 8px;
  font-size:22px;
}
.form-card p{
  margin:0 0 18px;
  color:var(--muted);
  font-size:15px;
}
.contact-form{
  display:grid;
  gap:14px;
}
.field-row{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.field{
  display:grid;
  gap:8px;
}
.field label{
  font-size:13px;
  font-weight:700;
  color:#60748b;
}
.field input,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fbfdff;
  color:var(--text);
  padding:13px 14px;
  transition:border-color var(--transition), box-shadow var(--transition), background var(--transition), transform var(--transition);
}
.field input::placeholder,
.field textarea::placeholder{color:#98a8ba}
.field input:focus,
.field textarea:focus{
  border-color:#8fb0d2;
  background:#fff;
  box-shadow:0 0 0 4px rgba(74,120,182,.10);
}
.field textarea{
  min-height:124px;
  resize:vertical;
}
.form-note{
  margin:2px 0 0;
  color:#74849a;
  font-size:13px;
}
.form-status{
  min-height:20px;
  color:var(--success);
  font-size:13px;
  font-weight:700;
}
.btn.loading{
  pointer-events:none;
  position:relative;
  opacity:.88;
}
.btn.loading::after{
  content:"";
  width:15px;
  height:15px;
  margin-left:2px;
  border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;
  border-radius:50%;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.site-footer{
  padding:56px 0 26px;
  background:#f7faff;
  border-top:1px solid rgba(216,227,239,.85);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr 1fr;
  gap:28px;
  padding-bottom:26px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:12px;
}
.footer-brand .brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
}
.footer-brand strong{
  font-size:18px;
}
.footer-title{
  font-size:14px;
  font-weight:800;
  color:var(--text);
  margin-bottom:14px;
}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  color:var(--muted);
  transition:color var(--transition), transform var(--transition);
}
.footer-links a:hover{
  color:var(--primary-deep);
  transform:translateX(2px);
}
.site-footer p{
  margin:0;
  color:var(--muted);
  font-size:15px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  padding-top:18px;
  border-top:1px solid rgba(216,227,239,.92);
  color:#728499;
  font-size:13px;
}

.visually-hidden{
  position:absolute !important;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

@media (max-width: 1199px){
  .hero-grid,
  .cta-grid,
  .content-grid,
  .intro-panel{
    grid-template-columns:1fr;
  }
  .visual-shell{
    min-height:390px;
  }
  .sidebar-sticky{
    position:relative;
    top:auto;
  }
}

@media (max-width: 991px){
  .site-header .nav{
    gap:14px;
  }
  .nav-actions .btn-primary{
    display:none;
  }
  .menu-toggle{
    display:inline-flex;
  }
  .nav-links{
    position:absolute;
    top:calc(100% + 14px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    padding:16px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:22px;
    box-shadow:var(--shadow-lg);
  }
  .nav-links .nav-link,
  .nav-links .btn{
    width:100%;
    justify-content:center;
  }
  .mobile-cta{
    display:inline-flex;
  }
  .site-header.nav-open .nav-links{
    display:flex;
  }
  .filter-tools{
    flex-direction:column;
    align-items:stretch;
  }
  .search-box{
    min-width:0;
    width:100%;
  }
  .resource-list{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
  .footer-grid > :first-child{
    grid-column:1 / -1;
  }
  .field-row{
    grid-template-columns:1fr;
  }
}

@media (max-width: 767px){
  .container{
    width:min(var(--container), calc(100% - 32px));
  }
  .hero{
    padding:34px 0 20px;
  }
  .hero h1{
    max-width:100%;
  }
  .hero p,
  .section-head p,
  .cta-copy p,
  .intro-panel p{
    font-size:15px;
  }
  .section{
    padding:58px 0;
  }
  .intro-panel,
  .filter-panel,
  .side-card,
  .form-card{
    padding:20px;
  }
  .visual-shell{
    min-height:auto;
    padding:18px;
  }
  .visual-grid{
    grid-template-columns:1fr;
  }
  .visual-card-main{
    grid-row:auto;
    min-height:220px;
  }
  .dashboard{
    grid-template-columns:1fr;
  }
  .metric-grid{
    grid-template-columns:1fr;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
  }
  .footer-grid{
    grid-template-columns:1fr;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
}

@media (max-width: 520px){
  .brand-sub{
    display:none;
  }
  .brand-title{
    font-size:15px;
  }
  .brand-mark{
    width:42px;
    height:42px;
    border-radius:14px;
  }
  .hero h1{
    font-size:clamp(30px, 9vw, 36px);
  }
  .resource-card h3{
    font-size:18px;
  }
  .faq-item summary{
    padding:18px;
    font-size:15px;
  }
  .faq-body{
    padding:0 18px 18px;
  }
  .search-box{
    padding:0 12px;
  }
  .search-box span{
    display:none;
  }
  .btn,
  .filter-chip{
    min-height:44px;
  }
}