/* roulang page: index */
:root{
      --brand:#1769ff;
      --brand-2:#00c2ff;
      --brand-3:#7c3cff;
      --ink:#121826;
      --muted:#667085;
      --soft:#eef5ff;
      --soft-2:#f7f9fc;
      --white:#ffffff;
      --line:#e4e9f2;
      --success:#12b981;
      --warning:#ffb020;
      --danger:#ef4444;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow:0 18px 50px rgba(18,24,38,.10);
      --shadow-hover:0 24px 70px rgba(23,105,255,.18);
      --sidebar:272px;
      --ease:all .24s ease;
      --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 88% 8%, rgba(0,194,255,.13), transparent 28%),
        radial-gradient(circle at 18% 18%, rgba(124,60,255,.10), transparent 32%),
        linear-gradient(180deg,#fbfdff 0%,#f4f7fb 100%);
      line-height:1.72;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--brand)}
    img{max-width:100%;display:block}
    button,input,textarea{font-family:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(23,105,255,.18);color:var(--ink)}
    .skip-link{
      position:absolute;left:-999px;top:12px;background:var(--ink);color:#fff;
      padding:10px 14px;border-radius:10px;z-index:1000
    }
    .skip-link:focus{left:12px}
    .app-shell{min-height:100vh}
    .side-nav{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--sidebar);
      background:rgba(255,255,255,.82);
      backdrop-filter:blur(20px);
      border-right:1px solid rgba(228,233,242,.86);
      padding:26px 20px;
      z-index:50;
      display:flex;
      flex-direction:column;
      box-shadow:12px 0 38px rgba(18,24,38,.04);
    }
    .brand{
      display:flex;align-items:center;gap:12px;
      padding:8px 8px 18px;border-bottom:1px solid var(--line);
      margin-bottom:22px;
    }
    .brand-mark{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;color:#fff;font-weight:900;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 12px 28px rgba(23,105,255,.30);
      letter-spacing:.5px;
    }
    .brand-text strong{display:block;font-size:19px;line-height:1.2;letter-spacing:.2px}
    .brand-text span{font-size:12px;color:var(--muted)}
    .nav-group{display:grid;gap:10px;margin-top:6px}
    .nav-item{
      display:flex;align-items:center;gap:12px;
      padding:13px 14px;border-radius:16px;color:#344054;
      font-weight:700;border:1px solid transparent;
    }
    .nav-item i{width:20px;text-align:center;color:#8aa0bd}
    .nav-item:hover{
      background:var(--soft);
      border-color:#d8e8ff;
      transform:translateX(3px);
      color:var(--brand);
    }
    .nav-item.active{
      color:var(--brand);
      background:linear-gradient(135deg,rgba(23,105,255,.12),rgba(0,194,255,.10));
      border-color:rgba(23,105,255,.18);
      box-shadow:0 10px 28px rgba(23,105,255,.10);
    }
    .nav-item.active i{color:var(--brand)}
    .sidebar-card{
      margin-top:auto;
      padding:18px;
      border-radius:22px;
      background:linear-gradient(145deg,#101828,#1a2b55);
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .sidebar-card:before{
      content:"";position:absolute;width:130px;height:130px;right:-52px;top:-42px;
      background:rgba(0,194,255,.22);border-radius:999px;
    }
    .sidebar-card p{margin:8px 0 14px;color:rgba(255,255,255,.78);font-size:13px;position:relative}
    .sidebar-card strong{position:relative;font-size:16px}
    .mini-btn{
      position:relative;
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 12px;border-radius:999px;background:#fff;color:var(--brand);
      font-size:13px;font-weight:800;
    }
    .mobile-topbar{
      display:none;
      position:sticky;top:0;z-index:60;
      background:rgba(255,255,255,.88);backdrop-filter:blur(16px);
      border-bottom:1px solid var(--line);
      padding:12px 16px;
    }
    .mobile-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .menu-toggle{
      border:1px solid var(--line);background:#fff;border-radius:14px;
      width:44px;height:44px;color:var(--ink);box-shadow:0 8px 24px rgba(18,24,38,.06);
    }
    .mobile-panel{
      display:none;
      padding:10px 16px 16px;
      background:#fff;border-bottom:1px solid var(--line);
    }
    .mobile-panel.open{display:block}
    .page{
      margin-left:var(--sidebar);
      min-height:100vh;
    }
    .page-inner{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .section{padding:82px 0}
    .section.compact{padding:54px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--brand);background:rgba(23,105,255,.10);
      border:1px solid rgba(23,105,255,.16);
      padding:8px 12px;border-radius:999px;
      font-weight:800;font-size:13px;margin-bottom:18px;
    }
    .eyebrow i{font-size:12px}
    .section-head{max-width:760px;margin-bottom:32px}
    .section-head.center{text-align:center;margin-left:auto;margin-right:auto}
    h1,h2,h3,h4{line-height:1.16;margin:0;color:var(--ink);font-weight:900;letter-spacing:-.02em}
    h1{font-size:clamp(38px,5vw,68px)}
    h2{font-size:clamp(28px,3.2vw,44px)}
    h3{font-size:22px}
    p{margin:0;color:var(--muted)}
    .lead{font-size:18px;color:#4b5565;line-height:1.88}
    .hero{
      position:relative;
      min-height:720px;
      display:flex;align-items:center;
      padding:72px 0 50px;
      overflow:hidden;
      background-image:
        linear-gradient(90deg,rgba(247,250,255,.98) 0%,rgba(247,250,255,.90) 40%,rgba(247,250,255,.58) 100%),
        url('/assets/images/backpic/back-1.webp');
      background-size:cover;
      background-position:center;
    }
    .hero:after{
      content:"";position:absolute;left:0;right:0;bottom:0;height:160px;
      background:linear-gradient(180deg,transparent,#f4f7fb);
      pointer-events:none;
    }
    .hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
    .hero-copy h1 span{
      background:linear-gradient(135deg,var(--brand),var(--brand-3));
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .hero-copy .lead{margin:22px 0 28px;max-width:680px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 24px}
    .btn-main,.btn-ghost,.btn-dark{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      min-height:48px;padding:13px 20px;border-radius:999px;
      font-weight:900;border:1px solid transparent;transition:var(--ease);
      box-shadow:none;
    }
    .btn-main{
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;box-shadow:0 16px 36px rgba(23,105,255,.28);
    }
    .btn-main:hover,.btn-main:focus{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-ghost:hover,.btn-ghost:focus{background:var(--soft);border-color:#cfe2ff;transform:translateY(-2px)}
    .btn-dark{background:#111827;color:#fff}
    .btn-dark:hover{color:#fff;background:#0b1220;transform:translateY(-2px)}
    .trust-row{display:flex;flex-wrap:wrap;gap:12px}
    .trust-pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.82);
      border:1px solid rgba(228,233,242,.9);color:#475467;font-weight:700;font-size:13px;
    }
    .trust-pill i{color:var(--success)}
    .hero-visual{
      position:relative;border-radius:32px;padding:16px;
      background:rgba(255,255,255,.62);border:1px solid rgba(255,255,255,.76);
      box-shadow:var(--shadow);backdrop-filter:blur(18px);
    }
    .hero-visual img{border-radius:24px;width:100%;height:430px;object-fit:cover}
    .floating-panel{
      position:absolute;left:-26px;bottom:34px;width:280px;
      background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
      border:1px solid var(--line);border-radius:22px;padding:18px;
      box-shadow:0 22px 60px rgba(18,24,38,.14);
    }
    .floating-panel .row-line{display:flex;justify-content:space-between;gap:10px;margin-top:12px;font-size:13px;color:var(--muted)}
    .meter{height:8px;background:#edf2f7;border-radius:999px;overflow:hidden;margin-top:12px}
    .meter span{display:block;height:100%;width:86%;background:linear-gradient(90deg,var(--brand),var(--brand-2));border-radius:999px}
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-42px;position:relative;z-index:3}
    .stat-card{
      background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;
      box-shadow:0 14px 40px rgba(18,24,38,.07);
    }
    .stat-card strong{display:block;font-size:30px;line-height:1;color:var(--brand);margin-bottom:8px}
    .stat-card span{color:var(--muted);font-weight:700;font-size:14px}
    .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .feature-card,.entry-card,.scene-card,.faq-item,.process-card,.article-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);
      box-shadow:0 14px 38px rgba(18,24,38,.06);
      transition:var(--ease);
    }
    .feature-card:hover,.entry-card:hover,.scene-card:hover,.process-card:hover,.article-card:hover{
      transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(23,105,255,.24)
    }
    .feature-card{padding:26px}
    .icon-box{
      width:52px;height:52px;border-radius:17px;display:grid;place-items:center;
      color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-3));
      box-shadow:0 14px 30px rgba(23,105,255,.22);margin-bottom:18px;
      font-size:20px;
    }
    .feature-card h3,.scene-card h3,.process-card h3{margin-bottom:10px}
    .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .tag{
      display:inline-flex;align-items:center;
      padding:7px 10px;border-radius:999px;background:var(--soft-2);
      border:1px solid var(--line);color:#526070;font-size:12px;font-weight:800;
    }
    .split{
      display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:center;
    }
    .media-card{
      position:relative;border-radius:30px;overflow:hidden;min-height:430px;
      box-shadow:var(--shadow);background:#dfeaff;
    }
    .media-card img{width:100%;height:100%;min-height:430px;object-fit:cover}
    .media-card:after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg,transparent 25%,rgba(16,24,40,.72));
    }
    .media-caption{
      position:absolute;left:22px;right:22px;bottom:22px;z-index:2;
      color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
      backdrop-filter:blur(12px);border-radius:20px;padding:18px;
    }
    .media-caption p{color:rgba(255,255,255,.78);margin-top:6px}
    .check-list{display:grid;gap:14px;margin:24px 0 0}
    .check-item{
      display:flex;gap:12px;align-items:flex-start;
      padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line);
    }
    .check-item i{color:var(--success);margin-top:5px}
    .entry-card{overflow:hidden}
    .entry-card img{width:100%;height:210px;object-fit:cover}
    .entry-body{padding:24px}
    .entry-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      padding:7px 10px;border-radius:999px;background:rgba(23,105,255,.10);
      color:var(--brand);font-weight:900;font-size:12px;
    }
    .rank{
      display:inline-grid;place-items:center;width:34px;height:34px;border-radius:12px;
      background:#101828;color:#fff;font-weight:900;font-size:13px;
    }
    .dark-section{
      background:
        linear-gradient(135deg,rgba(15,23,42,.96),rgba(20,50,104,.94)),
        url('/assets/images/backpic/back-2.webp');
      background-size:cover;background-position:center;
      color:#fff;
      border-radius:36px;
      padding:56px;
      overflow:hidden;
      position:relative;
    }
    .dark-section h2,.dark-section h3{color:#fff}
    .dark-section p{color:rgba(255,255,255,.72)}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
    .process-card{
      background:rgba(255,255,255,.09);
      border-color:rgba(255,255,255,.16);
      box-shadow:none;
      padding:22px;
      color:#fff;
    }
    .process-number{
      width:40px;height:40px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand-2),var(--brand-3));
      color:#fff;font-weight:900;margin-bottom:16px;
    }
    .topic-board{
      display:grid;grid-template-columns:1fr 1fr;gap:22px;
    }
    .article-card{padding:22px;display:flex;gap:16px;align-items:flex-start}
    .avatar-stack{display:flex;align-items:center;margin-top:16px}
    .avatar{
      width:34px;height:34px;border-radius:50%;border:2px solid #fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      margin-left:-8px;display:grid;place-items:center;color:#fff;font-size:12px;font-weight:900;
    }
    .avatar:first-child{margin-left:0}
    .count-badge{
      margin-left:10px;color:var(--muted);font-size:13px;font-weight:800;
    }
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .scene-card{padding:26px;position:relative;overflow:hidden}
    .scene-card:before{
      content:"";position:absolute;right:-40px;top:-40px;width:118px;height:118px;border-radius:50%;
      background:rgba(23,105,255,.08);
    }
    .scene-card h3,.scene-card p,.scene-card .tag-list{position:relative}
    .faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:34px;align-items:start}
    .faq-list{display:grid;gap:14px}
    .faq-item{padding:0;overflow:hidden}
    .faq-question{
      width:100%;border:0;background:#fff;color:var(--ink);
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:20px 22px;text-align:left;font-weight:900;font-size:16px;
    }
    .faq-question i{color:var(--brand);transition:var(--ease)}
    .faq-answer{display:none;padding:0 22px 20px}
    .faq-answer p{color:#536071}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question i{transform:rotate(45deg)}
    .cta{
      position:relative;
      border-radius:36px;
      padding:54px;
      background:
        radial-gradient(circle at 86% 18%,rgba(0,194,255,.28),transparent 24%),
        linear-gradient(135deg,#1769ff,#11347d);
      color:#fff;
      overflow:hidden;
      box-shadow:0 30px 90px rgba(23,105,255,.24);
    }
    .cta h2{color:#fff}
    .cta p{color:rgba(255,255,255,.76);max-width:680px;margin:14px 0 24px}
    .cta .btn-ghost{background:rgba(255,255,255,.13);color:#fff;border-color:rgba(255,255,255,.24)}
    .cta .btn-ghost:hover{background:#fff;color:var(--brand)}
    .contact-strip{
      display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:center;
      padding:18px;border-radius:24px;background:#fff;border:1px solid var(--line);
      box-shadow:0 14px 42px rgba(18,24,38,.06);
      margin-top:24px;
    }
    .search-box{
      display:flex;align-items:center;gap:10px;background:var(--soft-2);
      border:1px solid var(--line);border-radius:999px;padding:8px 8px 8px 16px;
    }
    .search-box i{color:#98a2b3}
    .search-box input{
      flex:1;border:0;background:transparent;box-shadow:none;margin:0;height:42px;
      color:var(--ink);outline:none;
    }
    .search-box input:focus{box-shadow:none;background:transparent}
    .search-box button{border:0}
    .footer{
      padding:44px 0 34px;
      border-top:1px solid var(--line);
      background:rgba(255,255,255,.56);
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:start}
    .footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:12px}
    .footer-logo .brand-mark{width:38px;height:38px;border-radius:14px}
    .footer p{font-size:14px}
    .footer-links{display:flex;justify-content:flex-end;gap:14px;flex-wrap:wrap}
    .footer-links a{
      padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);
      color:#475467;font-weight:800;font-size:13px;
    }
    .footer-links a:hover{color:var(--brand);background:var(--soft)}
    .copyright{
      margin-top:24px;padding-top:18px;border-top:1px solid var(--line);
      display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
      color:#7b8798;font-size:13px;
    }
    .focus-ring:focus-visible,.btn-main:focus-visible,.btn-ghost:focus-visible,.nav-item:focus-visible,.faq-question:focus-visible,.menu-toggle:focus-visible{
      outline:3px solid rgba(23,105,255,.28);
      outline-offset:3px;
    }
    @media (max-width:1200px){
      :root{--sidebar:236px}
      .page-inner{width:min(100% - 36px,1040px)}
      .hero-grid{gap:26px}
      .floating-panel{left:12px;width:250px}
      .process-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:1024px){
      .side-nav{display:none}
      .mobile-topbar{display:block}
      .page{margin-left:0}
      .hero{min-height:auto;padding:58px 0 44px}
      .hero-grid,.split,.faq-wrap,.contact-strip,.footer-grid{grid-template-columns:1fr}
      .hero-visual img{height:360px}
      .stats-grid{grid-template-columns:repeat(2,1fr);margin-top:18px}
      .card-grid,.scene-grid,.topic-board{grid-template-columns:1fr 1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:768px){
      .page-inner{width:min(100% - 28px,720px)}
      .section{padding:58px 0}
      .section.compact{padding:40px 0}
      .hero{padding-top:44px}
      .hero-actions{flex-direction:column;align-items:stretch}
      .btn-main,.btn-ghost,.btn-dark{width:100%}
      .stats-grid,.card-grid,.scene-grid,.topic-board,.process-grid{grid-template-columns:1fr}
      .dark-section,.cta{padding:34px 24px;border-radius:26px}
      .floating-panel{position:relative;left:auto;bottom:auto;width:auto;margin-top:14px}
      .hero-visual{padding:12px;border-radius:24px}
      .hero-visual img{height:300px;border-radius:18px}
      .media-card,.media-card img{min-height:320px}
      .article-card{flex-direction:column}
    }
    @media (max-width:520px){
      h1{font-size:35px}
      h2{font-size:27px}
      .lead{font-size:16px}
      .mobile-topbar{padding:10px 12px}
      .brand-text strong{font-size:17px}
      .brand-text span{display:none}
      .hero{background-position:center}
      .stat-card{padding:18px}
      .feature-card,.scene-card,.entry-body{padding:20px}
      .faq-question{padding:18px;font-size:15px}
      .faq-answer{padding:0 18px 18px}
      .cta{padding:30px 20px}
      .copyright{display:block}
    }

/* roulang page: category1 */
:root {
      --brand: #3157ff;
      --brand-2: #7c3aed;
      --brand-3: #00b8d9;
      --accent: #ffb020;
      --ink: #111827;
      --text: #263244;
      --muted: #667085;
      --soft: #eef3ff;
      --soft-2: #f6f8ff;
      --bg: #f5f7fb;
      --panel: #ffffff;
      --dark: #0d1530;
      --dark-2: #151f3f;
      --line: rgba(17, 24, 39, .10);
      --line-strong: rgba(49, 87, 255, .18);
      --shadow-sm: 0 8px 24px rgba(15, 23, 42, .08);
      --shadow-md: 0 18px 48px rgba(15, 23, 42, .12);
      --shadow-lg: 0 28px 80px rgba(15, 23, 42, .18);
      --radius-sm: 12px;
      --radius: 18px;
      --radius-lg: 28px;
      --sidebar: 286px;
      --container: 1180px;
      --ease: cubic-bezier(.22, 1, .36, 1);
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      line-height: 1.72;
      background:
        radial-gradient(circle at 80% 4%, rgba(49, 87, 255, .13), transparent 34%),
        radial-gradient(circle at 8% 18%, rgba(0, 184, 217, .12), transparent 28%),
        linear-gradient(180deg, #f8fbff 0%, #f5f7fb 42%, #eef3ff 100%);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
    }

    a:hover,
    a:focus {
      color: var(--brand);
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

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

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

    .focus-ring:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(49, 87, 255, .26);
      outline-offset: 3px;
      border-radius: 14px;
    }

    .app-shell {
      min-height: 100vh;
    }

    .app-sidebar {
      position: fixed;
      inset: 0 auto 0 0;
      z-index: 60;
      width: var(--sidebar);
      padding: 22px 18px;
      display: flex;
      flex-direction: column;
      gap: 20px;
      background: rgba(13, 21, 48, .94);
      color: #fff;
      border-right: 1px solid rgba(255, 255, 255, .10);
      box-shadow: 18px 0 60px rgba(15, 23, 42, .18);
      backdrop-filter: blur(18px);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-height: 56px;
      padding: 8px;
      border-radius: 18px;
    }

    .brand:hover {
      color: #fff;
      background: rgba(255, 255, 255, .08);
    }

    .brand-mark {
      flex: 0 0 42px;
      width: 42px;
      height: 42px;
      display: inline-grid;
      place-items: center;
      border-radius: 14px;
      font-weight: 900;
      color: #fff;
      letter-spacing: -.02em;
      background: linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow: 0 16px 34px rgba(49, 87, 255, .42);
    }

    .brand-copy {
      display: flex;
      flex-direction: column;
      gap: 1px;
      min-width: 0;
    }

    .brand-copy strong {
      font-size: 18px;
      line-height: 1.15;
      letter-spacing: -.02em;
    }

    .brand-copy small {
      color: rgba(255, 255, 255, .62);
      font-size: 12px;
      white-space: nowrap;
    }

    .nav-group {
      display: grid;
      gap: 10px;
      padding: 10px 0 4px;
    }

    .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      min-height: 46px;
      padding: 12px 13px;
      border-radius: 16px;
      color: rgba(255, 255, 255, .76);
      border: 1px solid transparent;
      font-weight: 700;
    }

    .nav-item i {
      width: 20px;
      text-align: center;
      color: rgba(255, 255, 255, .58);
      transition: color .25s var(--ease), transform .25s var(--ease);
    }

    .nav-item:hover {
      color: #fff;
      background: rgba(255, 255, 255, .08);
      border-color: rgba(255, 255, 255, .10);
      transform: translateX(2px);
    }

    .nav-item:hover i {
      color: #fff;
      transform: scale(1.04);
    }

    .nav-item.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(49, 87, 255, .95), rgba(124, 58, 237, .86));
      border-color: rgba(255, 255, 255, .16);
      box-shadow: 0 18px 38px rgba(49, 87, 255, .28);
    }

    .nav-item.active i {
      color: #fff;
    }

    .sidebar-card {
      margin-top: auto;
      padding: 16px;
      border-radius: 22px;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, .13), rgba(255, 255, 255, .07)),
        radial-gradient(circle at 80% 10%, rgba(0, 184, 217, .32), transparent 42%);
      border: 1px solid rgba(255, 255, 255, .12);
      box-shadow: 0 24px 48px rgba(0, 0, 0, .20);
    }

    .sidebar-card .mini-label {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      margin-bottom: 10px;
      color: #cffafe;
      font-size: 12px;
      font-weight: 800;
    }

    .sidebar-card p {
      margin: 0 0 14px;
      color: rgba(255, 255, 255, .72);
      font-size: 13px;
      line-height: 1.65;
    }

    .sidebar-card a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #fff;
      font-size: 13px;
      font-weight: 800;
    }

    .mobile-topbar {
      position: sticky;
      top: 0;
      z-index: 55;
      display: none;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      min-height: 68px;
      padding: 10px 16px;
      background: rgba(255, 255, 255, .86);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

    .mobile-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
      color: var(--ink);
    }

    .menu-toggle {
      width: 44px;
      height: 44px;
      display: inline-grid;
      place-items: center;
      color: var(--ink);
      border-radius: 14px;
      background: var(--soft);
      border: 1px solid rgba(49, 87, 255, .12);
      box-shadow: var(--shadow-sm);
    }

    .menu-toggle:hover {
      color: var(--brand);
      transform: translateY(-1px);
      box-shadow: var(--shadow-md);
    }

    .nav-overlay {
      position: fixed;
      inset: 0;
      z-index: 50;
      display: none;
      background: rgba(8, 13, 29, .55);
      backdrop-filter: blur(4px);
    }

    .main-area {
      margin-left: var(--sidebar);
      min-width: 0;
    }

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

    .section {
      padding: 76px 0;
      position: relative;
    }

    .section-tight {
      padding: 48px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 30px;
    }

    .section-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--brand);
      background: rgba(49, 87, 255, .09);
      border: 1px solid rgba(49, 87, 255, .14);
      font-size: 13px;
      font-weight: 900;
    }

    .section-title {
      margin: 0;
      max-width: 760px;
      color: var(--ink);
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.16;
      letter-spacing: -.045em;
      font-weight: 950;
    }

    .section-desc {
      margin: 14px 0 0;
      max-width: 720px;
      color: var(--muted);
      font-size: 16px;
    }

    .hero {
      position: relative;
      min-height: 680px;
      padding: 78px 0 56px;
      color: #fff;
      overflow: hidden;
      background:
        linear-gradient(100deg, rgba(13, 21, 48, .96) 0%, rgba(13, 21, 48, .86) 45%, rgba(49, 87, 255, .42) 100%),
        url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
    }

    .hero::before,
    .hero::after {
      content: "";
      position: absolute;
      pointer-events: none;
      border-radius: 999px;
      filter: blur(2px);
    }

    .hero::before {
      width: 460px;
      height: 460px;
      right: -120px;
      top: -90px;
      background: radial-gradient(circle, rgba(0, 184, 217, .34), transparent 64%);
    }

    .hero::after {
      width: 320px;
      height: 320px;
      left: 18%;
      bottom: -160px;
      background: radial-gradient(circle, rgba(255, 176, 32, .22), transparent 62%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .breadcrumb-lite {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 9px;
      margin-bottom: 22px;
      color: rgba(255, 255, 255, .72);
      font-size: 13px;
      font-weight: 700;
    }

    .breadcrumb-lite a {
      color: rgba(255, 255, 255, .74);
    }

    .breadcrumb-lite a:hover {
      color: #fff;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
      padding: 9px 13px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .18);
      color: #e0f2fe;
      font-weight: 900;
      backdrop-filter: blur(12px);
    }

    .hero h1 {
      margin: 0;
      max-width: 850px;
      color: #fff;
      font-size: clamp(38px, 6vw, 74px);
      line-height: 1.04;
      letter-spacing: -.06em;
      font-weight: 950;
    }

    .hero h1 span {
      color: #a5f3fc;
    }

    .hero-lead {
      margin: 24px 0 0;
      max-width: 760px;
      color: rgba(255, 255, 255, .78);
      font-size: clamp(17px, 2vw, 21px);
      line-height: 1.76;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 34px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 900;
      border: 1px solid transparent;
      transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
      user-select: none;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow: 0 18px 40px rgba(49, 87, 255, .32);
    }

    .btn-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 24px 56px rgba(49, 87, 255, .42);
    }

    .btn-secondary {
      color: #fff;
      background: rgba(255, 255, 255, .12);
      border-color: rgba(255, 255, 255, .22);
      backdrop-filter: blur(12px);
    }

    .btn-secondary:hover {
      color: #fff;
      background: rgba(255, 255, 255, .18);
      transform: translateY(-2px);
    }

    .btn-light {
      color: var(--brand);
      background: #fff;
      border-color: rgba(49, 87, 255, .12);
      box-shadow: var(--shadow-sm);
    }

    .btn-light:hover {
      color: #fff;
      background: var(--brand);
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }

    .hero-panel {
      position: relative;
      z-index: 2;
      overflow: hidden;
      padding: 14px;
      border-radius: 32px;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .18);
      box-shadow: 0 30px 90px rgba(0, 0, 0, .26);
      backdrop-filter: blur(18px);
    }

    .hero-panel img {
      width: 100%;
      aspect-ratio: 4 / 3.2;
      object-fit: cover;
      border-radius: 24px;
    }

    .hero-float {
      position: absolute;
      left: 28px;
      right: 28px;
      bottom: 28px;
      display: grid;
      gap: 10px;
      padding: 16px;
      color: var(--ink);
      border-radius: 20px;
      background: rgba(255, 255, 255, .92);
      box-shadow: var(--shadow-md);
    }

    .hero-float strong {
      display: flex;
      align-items: center;
      gap: 9px;
      font-size: 16px;
      color: var(--ink);
    }

    .hero-float p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .metric-strip {
      position: relative;
      z-index: 3;
      margin-top: -34px;
    }

    .metric-card {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      overflow: hidden;
      border-radius: 26px;
      background: var(--line);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-md);
    }

    .metric-item {
      padding: 22px;
      background: rgba(255, 255, 255, .94);
      backdrop-filter: blur(16px);
    }

    .metric-item strong {
      display: block;
      color: var(--ink);
      font-size: 26px;
      line-height: 1.1;
      letter-spacing: -.03em;
      font-weight: 950;
    }

    .metric-item span {
      display: block;
      margin-top: 7px;
      color: var(--muted);
      font-size: 13px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 32px;
      padding: 6px 11px;
      border-radius: 999px;
      color: var(--brand);
      background: rgba(49, 87, 255, .08);
      border: 1px solid rgba(49, 87, 255, .13);
      font-size: 13px;
      font-weight: 850;
    }

    .badge-cyan {
      color: #027a8a;
      background: rgba(6, 182, 212, .10);
      border-color: rgba(6, 182, 212, .18);
    }

    .badge-orange {
      color: #9a5b00;
      background: rgba(255, 176, 32, .14);
      border-color: rgba(255, 176, 32, .24);
    }

    .card {
      height: 100%;
      overflow: hidden;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .90);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
      transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
    }

    .card:hover {
      transform: translateY(-5px);
      border-color: var(--line-strong);
      box-shadow: var(--shadow-md);
    }

    .card-body {
      padding: 26px;
    }

    .icon-box {
      width: 52px;
      height: 52px;
      display: inline-grid;
      place-items: center;
      margin-bottom: 18px;
      border-radius: 18px;
      color: #fff;
      background: linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow: 0 15px 34px rgba(49, 87, 255, .24);
    }

    .icon-box.cyan {
      background: linear-gradient(135deg, #06b6d4, #3157ff);
    }

    .icon-box.orange {
      background: linear-gradient(135deg, #ffb020, #ff6b35);
    }

    .card h3 {
      margin: 0 0 10px;
      color: var(--ink);
      font-size: 21px;
      line-height: 1.3;
      letter-spacing: -.025em;
      font-weight: 950;
    }

    .card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .image-card {
      position: relative;
      min-height: 430px;
      overflow: hidden;
      border-radius: 34px;
      box-shadow: var(--shadow-lg);
      background: var(--dark);
    }

    .image-card img {
      width: 100%;
      height: 100%;
      min-height: 430px;
      object-fit: cover;
      opacity: .86;
      transform: scale(1.02);
    }

    .image-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(13, 21, 48, .08), rgba(13, 21, 48, .82));
    }

    .image-caption {
      position: absolute;
      z-index: 2;
      left: 24px;
      right: 24px;
      bottom: 24px;
      padding: 20px;
      color: #fff;
      border-radius: 22px;
      background: rgba(13, 21, 48, .52);
      border: 1px solid rgba(255, 255, 255, .18);
      backdrop-filter: blur(14px);
    }

    .image-caption h3 {
      margin: 0 0 8px;
      color: #fff;
      font-size: 24px;
      font-weight: 950;
      letter-spacing: -.03em;
    }

    .image-caption p {
      margin: 0;
      color: rgba(255, 255, 255, .76);
      font-size: 14px;
    }

    .feature-list {
      display: grid;
      gap: 14px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .feature-item {
      display: flex;
      gap: 13px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .84);
      border: 1px solid var(--line);
      box-shadow: 0 8px 24px rgba(15, 23, 42, .05);
    }

    .feature-item i {
      flex: 0 0 34px;
      width: 34px;
      height: 34px;
      display: inline-grid;
      place-items: center;
      border-radius: 12px;
      color: var(--brand);
      background: rgba(49, 87, 255, .09);
    }

    .feature-item strong {
      display: block;
      margin-bottom: 3px;
      color: var(--ink);
      font-weight: 950;
    }

    .feature-item span {
      display: block;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.62;
    }

    .scenario-card {
      position: relative;
      padding: 24px;
      min-height: 238px;
      border-radius: 28px;
      color: #fff;
      overflow: hidden;
      background: linear-gradient(135deg, var(--dark), var(--dark-2));
      box-shadow: var(--shadow-md);
    }

    .scenario-card::before {
      content: "";
      position: absolute;
      width: 180px;
      height: 180px;
      right: -70px;
      top: -70px;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(0, 184, 217, .36), transparent 68%);
    }

    .scenario-card:nth-child(2)::before {
      background: radial-gradient(circle, rgba(124, 58, 237, .42), transparent 68%);
    }

    .scenario-card:nth-child(3)::before {
      background: radial-gradient(circle, rgba(255, 176, 32, .34), transparent 68%);
    }

    .scenario-card h3 {
      position: relative;
      margin: 0 0 10px;
      color: #fff;
      font-size: 22px;
      font-weight: 950;
    }

    .scenario-card p {
      position: relative;
      margin: 0 0 18px;
      color: rgba(255, 255, 255, .72);
      font-size: 15px;
    }

    .scenario-card .count {
      position: relative;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 11px;
      border-radius: 999px;
      color: #cffafe;
      background: rgba(255, 255, 255, .10);
      border: 1px solid rgba(255, 255, 255, .14);
      font-size: 13px;
      font-weight: 900;
    }

    .process {
      counter-reset: process;
      display: grid;
      gap: 18px;
    }

    .process-step {
      counter-increment: process;
      display: grid;
      grid-template-columns: 82px 1fr;
      gap: 18px;
      padding: 22px;
      border-radius: 26px;
      background: rgba(255, 255, 255, .92);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .process-step::before {
      content: "0" counter(process);
      display: grid;
      place-items: center;
      width: 64px;
      height: 64px;
      border-radius: 22px;
      color: #fff;
      font-size: 22px;
      font-weight: 950;
      background: linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow: 0 18px 38px rgba(49, 87, 255, .24);
    }

    .process-step h3 {
      margin: 0 0 6px;
      color: var(--ink);
      font-size: 20px;
      font-weight: 950;
      letter-spacing: -.02em;
    }

    .process-step p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .dark-section {
      overflow: hidden;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(13, 21, 48, .97), rgba(21, 31, 63, .95)),
        url("/assets/images/backpic/back-3.webp") center / cover no-repeat;
    }

    .dark-section .section-title,
    .dark-section h2,
    .dark-section h3 {
      color: #fff;
    }

    .dark-section .section-desc {
      color: rgba(255, 255, 255, .70);
    }

    .insight-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 24px;
      align-items: stretch;
    }

    .insight-panel {
      padding: 28px;
      border-radius: 30px;
      background: rgba(255, 255, 255, .10);
      border: 1px solid rgba(255, 255, 255, .14);
      backdrop-filter: blur(18px);
    }

    .insight-panel h3 {
      margin: 0 0 12px;
      font-size: 25px;
      font-weight: 950;
      letter-spacing: -.03em;
    }

    .insight-panel p {
      margin: 0;
      color: rgba(255, 255, 255, .72);
    }

    .rank-list {
      display: grid;
      gap: 12px;
      margin-top: 22px;
    }

    .rank-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .11);
    }

    .rank-num {
      flex: 0 0 34px;
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #0d1530;
      background: #a5f3fc;
      font-weight: 950;
    }

    .rank-item strong {
      display: block;
      color: #fff;
      line-height: 1.25;
    }

    .rank-item span {
      color: rgba(255, 255, 255, .62);
      font-size: 13px;
    }

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

    .form-field {
      display: grid;
      gap: 7px;
    }

    .form-field label {
      color: rgba(255, 255, 255, .80);
      font-weight: 800;
      font-size: 13px;
    }

    .form-field input,
    .form-field textarea {
      width: 100%;
      min-height: 48px;
      margin: 0;
      padding: 12px 14px;
      color: #fff;
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, .16);
      background: rgba(255, 255, 255, .08);
      box-shadow: none;
    }

    .form-field textarea {
      min-height: 96px;
      resize: vertical;
    }

    .form-field input::placeholder,
    .form-field textarea::placeholder {
      color: rgba(255, 255, 255, .45);
    }

    .form-note {
      color: rgba(255, 255, 255, .58);
      font-size: 12px;
      line-height: 1.55;
    }

    .faq-wrap {
      display: grid;
      gap: 14px;
      max-width: 940px;
      margin-inline: auto;
    }

    .faq-item {
      border-radius: 22px;
      background: rgba(255, 255, 255, .92);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 21px 22px;
      color: var(--ink);
      font-size: 17px;
      font-weight: 950;
      cursor: pointer;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "\2b";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      flex: 0 0 34px;
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: var(--brand);
      background: rgba(49, 87, 255, .09);
      transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
    }

    .faq-item[open] summary::after {
      content: "\f068";
      color: #fff;
      background: var(--brand);
      transform: rotate(180deg);
    }

    .faq-answer {
      padding: 0 22px 22px;
      color: var(--muted);
    }

    .faq-answer p {
      margin: 0;
    }

    .cta {
      padding: 0 0 82px;
    }

    .cta-box {
      position: relative;
      overflow: hidden;
      padding: 42px;
      border-radius: 36px;
      color: #fff;
      background:
        radial-gradient(circle at 90% 12%, rgba(165, 243, 252, .34), transparent 34%),
        linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow: var(--shadow-lg);
    }

    .cta-box::before {
      content: "";
      position: absolute;
      width: 380px;
      height: 380px;
      right: -160px;
      bottom: -210px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .15);
    }

    .cta-box h2 {
      position: relative;
      margin: 0;
      color: #fff;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.16;
      letter-spacing: -.045em;
      font-weight: 950;
    }

    .cta-box p {
      position: relative;
      margin: 14px 0 0;
      max-width: 720px;
      color: rgba(255, 255, 255, .78);
      font-size: 16px;
    }

    .cta-actions {
      position: relative;
      display: flex;
      flex-wrap: wrap;
      gap: 13px;
      margin-top: 26px;
    }

    .footer {
      margin-left: var(--sidebar);
      padding: 44px 0 28px;
      color: rgba(255, 255, 255, .70);
      background: #0b1024;
      border-top: 1px solid rgba(255, 255, 255, .08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: start;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
      color: #fff;
    }

    .footer-logo strong {
      font-size: 18px;
      letter-spacing: -.02em;
    }

    .footer p {
      max-width: 660px;
      margin: 0;
      color: rgba(255, 255, 255, .62);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .footer-links a {
      padding: 9px 12px;
      border-radius: 999px;
      color: rgba(255, 255, 255, .72);
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .08);
      font-size: 13px;
      font-weight: 800;
    }

    .footer-links a:hover {
      color: #fff;
      background: rgba(49, 87, 255, .35);
      border-color: rgba(255, 255, 255, .16);
      transform: translateY(-1px);
    }

    .copyright {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 10px;
      margin-top: 30px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, .08);
      color: rgba(255, 255, 255, .46);
      font-size: 12px;
    }

    @media (max-width: 1180px) {
      :root {
        --sidebar: 250px;
      }

      .page-inner {
        width: min(calc(100% - 32px), var(--container));
      }

      .hero {
        min-height: auto;
      }

      .metric-card {
        grid-template-columns: repeat(2, 1fr);
      }

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

    @media (max-width: 1024px) {
      .mobile-topbar {
        display: flex;
      }

      .app-sidebar {
        transform: translateX(-104%);
        transition: transform .32s var(--ease);
      }

      body.nav-open .app-sidebar {
        transform: translateX(0);
      }

      body.nav-open .nav-overlay {
        display: block;
      }

      .main-area,
      .footer {
        margin-left: 0;
      }

      .hero {
        padding-top: 52px;
      }

      .section {
        padding: 62px 0;
      }
    }

    @media (max-width: 768px) {
      .section-head {
        display: block;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .metric-card {
        grid-template-columns: 1fr;
        border-radius: 22px;
      }

      .hero-panel {
        margin-top: 24px;
        border-radius: 26px;
      }

      .hero-panel img {
        aspect-ratio: 4 / 3;
      }

      .hero-float {
        position: static;
        margin-top: 12px;
      }

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

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

      .footer-links {
        justify-content: flex-start;
      }

      .copyright {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      .page-inner {
        width: min(calc(100% - 24px), var(--container));
      }

      .app-sidebar {
        width: min(88vw, 312px);
        padding: 18px 14px;
      }

      .hero {
        padding: 38px 0 44px;
      }

      .hero h1 {
        font-size: 38px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .section {
        padding: 50px 0;
      }

      .card-body,
      .insight-panel {
        padding: 22px;
      }

      .image-card,
      .image-card img {
        min-height: 360px;
      }

      .cta-box {
        padding: 28px 22px;
        border-radius: 28px;
      }

      .faq-item summary {
        padding: 18px;
        font-size: 16px;
      }

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