:root{
    --bg:#0b1020;
    --bg-soft:#0f1530;
    --card:#141b38;
    --card-2:#182146;
    --line:#26305c;
    --txt:#e8ecf8;
    --muted:#9aa6cf;
    --mx-brand:#2f6df6;
    --mx-brand-2:#5b8cff;
    --accent:#22d3ad;
    --radius:16px;
    --maxw:1160px;
    --shadow:0 18px 50px rgba(0,0,0,.35);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
    background:radial-gradient(1200px 700px at 80% -10%,rgba(47,109,246,.25),transparent 60%),
               radial-gradient(900px 600px at -10% 10%,rgba(34,211,173,.18),transparent 55%),
               var(--bg);
    color:var(--txt);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
  .muted{color:var(--muted)}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:12px 22px;border-radius:999px;font-weight:600;font-size:15px;
    transition:.2s;cursor:pointer;border:1px solid transparent;
  }
  .btn-primary{background:linear-gradient(135deg,var(--mx-brand),var(--mx-brand-2));color:#fff;box-shadow:0 10px 30px rgba(47,109,246,.4)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 38px rgba(47,109,246,.55)}
  .btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--txt)}
  .btn-ghost:hover{border-color:var(--mx-brand-2);background:rgba(91,140,255,.12)}

  /* Header */
  header.nav{
    position:sticky;top:0;z-index:50;
    backdrop-filter:saturate(140%) blur(12px);
    background:rgba(11,16,32,.72);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.3px}
  .logo .mark{
    width:30px;height:30px;border-radius:9px;
    background:linear-gradient(135deg,var(--mx-brand),var(--accent));
    display:grid;place-items:center;font-size:16px;
  }
  .nav-links{display:flex;gap:26px;font-size:15px}
  .nav-links a{color:var(--muted);transition:.2s}
  .nav-links a:hover{color:var(--txt)}
  .nav-cta{display:flex;gap:12px;align-items:center}
  /* 移动端导航兜底：桌面隐藏按钮，窄屏显示汉堡 + 抽屉菜单（由 js/nav-toggle.js 驱动） */
  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:42px;height:42px;padding:0;cursor:pointer;
    background:rgba(255,255,255,.04);color:var(--txt);
    border:1px solid var(--line);border-radius:10px;transition:.2s;
  }
  .nav-toggle:hover{border-color:var(--mx-brand-2);color:#fff}
  .nav-toggle .icon-close{display:none}
  .nav-toggle.open .icon-open{display:none}
  .nav-toggle.open .icon-close{display:block}
  @media(max-width:980px){
    .nav-toggle{display:inline-flex}
    .nav-inner{position:relative}
    /* 窄屏只留一个主按钮，整体靠右，与汉堡按钮并排 */
    .nav-cta{margin-left:auto;margin-right:10px;gap:8px}
    .nav-cta .btn-ghost{display:none}
    .nav-cta .btn-primary{padding:9px 16px;font-size:14px}
    .nav-links{
      display:none;position:absolute;top:100%;left:0;right:0;
      flex-direction:column;gap:0;
      background:rgba(11,16,32,.98);backdrop-filter:blur(10px);
      border-top:1px solid var(--line);border-bottom:1px solid var(--line);
      box-shadow:var(--shadow);padding:10px 22px 18px;z-index:60;
    }
    .nav-links.open{display:flex}
    .nav-links a{padding:12px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--txt)}
  }

  /* Hero */
  .hero{padding:86px 0 60px;position:relative;overflow:hidden}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
  @media(max-width:920px){.hero-grid{grid-template-columns:1fr}}
  .badge{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
    background:rgba(91,140,255,.14);border:1px solid rgba(91,140,255,.35);
    color:var(--mx-brand-2);font-size:13px;font-weight:600;margin-bottom:20px;
  }
  .hero h1{font-size:46px;line-height:1.18;font-weight:800;letter-spacing:-.5px}
  .hero h1 .grad{background:linear-gradient(120deg,var(--mx-brand-2),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero p.lead{margin:20px 0 30px;font-size:18px;color:var(--muted);max-width:520px}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
  .hero-stats{display:flex;gap:30px;flex-wrap:wrap}
  .hero-stats .s b{display:block;font-size:26px;font-weight:800}
  .hero-stats .s span{color:var(--muted);font-size:13px}
  .hero-shot{
    border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
    box-shadow:var(--shadow);background:var(--card);
  }
  .hero-shot img{width:100%;display:block}

  /* Sections */
  section{padding:74px 0}
  .sec-head{text-align:center;max-width:720px;margin:0 auto 50px}
  .sec-head h2{font-size:34px;font-weight:800;letter-spacing:-.4px}
  .sec-head p{color:var(--muted);margin-top:14px;font-size:16px}
  .eyebrow{color:var(--mx-brand-2);font-weight:700;font-size:14px;letter-spacing:1px;text-transform:uppercase}

  .features{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
  @media(max-width:760px){.features{grid-template-columns:1fr}}
  .feat{
    background:linear-gradient(180deg,var(--card),var(--bg-soft));
    border:1px solid var(--line);border-radius:var(--radius);padding:28px;
    transition:.25s;
  }
  .feat:hover{transform:translateY(-4px);border-color:var(--mx-brand-2);box-shadow:var(--shadow)}
  .feat .ic{
    width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:24px;
    background:rgba(91,140,255,.14);margin-bottom:16px;
  }
  .feat h3{font-size:19px;margin-bottom:8px}
  .feat p{color:var(--muted);font-size:15px}

  /* Showcase (screenshots) */
  .showcase{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .shot-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow);
  }
  .shot-card .cap{padding:14px 18px;font-weight:600;display:flex;align-items:center;gap:8px;border-top:1px solid var(--line)}
  .shot-card img{width:100%;display:block;background:#0a0e1c}
  .shot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
  @media(max-width:760px){.shot-grid{grid-template-columns:1fr}}

  /* Steps */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
  @media(max-width:760px){.steps{grid-template-columns:1fr}}
  .step{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;
  }
  .step .num{
    width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;
    background:linear-gradient(135deg,var(--mx-brand),var(--accent));color:#fff;margin-bottom:14px;
  }
  .step h3{font-size:17px;margin-bottom:6px}
  .step p{color:var(--muted);font-size:14px}

  /* CTA */
  .cta-band{
    background:linear-gradient(135deg,rgba(47,109,246,.18),rgba(34,211,173,.14));
    border:1px solid var(--line);border-radius:24px;padding:54px;text-align:center;
  }
  .cta-band h2{font-size:32px;font-weight:800}
  .cta-band p{color:var(--muted);margin:14px auto 26px;max-width:560px}

  /* Footer */
  footer{border-top:1px solid var(--line);padding:46px 0;color:var(--muted);font-size:14px}
  .foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
  .foot-col h4{color:var(--txt);font-size:15px;margin-bottom:12px}
  .foot-col a{display:block;margin-bottom:8px;color:var(--muted);transition:.2s}
  .foot-col a:hover{color:var(--mx-brand-2)}
  .copy{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
  .copy a{color:var(--mx-brand-2)}

  /* ================= 新闻中心 ================= */
  .page-head{padding:64px 0 8px}
  .page-head h1{font-size:40px;font-weight:800;letter-spacing:-.5px}
  .page-head .lead{color:var(--muted);margin-top:14px;font-size:17px;max-width:680px}
  .cats{display:flex;gap:10px;flex-wrap:wrap;margin:30px 0 38px}
  .cats a{
    padding:7px 16px;border-radius:999px;font-size:14px;color:var(--muted);
    border:1px solid var(--line);background:rgba(255,255,255,.03);transition:.2s;
  }
  .cats a:hover{color:var(--txt);border-color:var(--mx-brand-2)}
  .cats a.active{
    color:#fff;font-weight:600;border-color:transparent;
    background:linear-gradient(135deg,var(--mx-brand),var(--mx-brand-2));
  }
  .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  @media(max-width:980px){.news-grid{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:680px){.news-grid{grid-template-columns:1fr}}
  .news-card{
    display:flex;flex-direction:column;overflow:hidden;transition:.25s;
    background:linear-gradient(180deg,var(--card),var(--bg-soft));
    border:1px solid var(--line);border-radius:var(--radius);
  }
  .news-card:hover{transform:translateY(-4px);border-color:var(--mx-brand-2);box-shadow:var(--shadow)}
  .news-thumb{aspect-ratio:16/9;background:#0a0e1c;display:grid;place-items:center;color:var(--muted);font-size:13px}
  .news-thumb img{width:100%;height:100%;object-fit:cover;display:block}
  .news-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
  .news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:10px}
  .news-tag{padding:3px 10px;border-radius:999px;background:rgba(91,140,255,.14);color:var(--mx-brand-2);font-weight:600}
  .news-card h3{font-size:18px;line-height:1.45;margin-bottom:10px}
  .news-card h3 a:hover{color:var(--mx-brand-2)}
  .news-card p{color:var(--muted);font-size:14px;flex:1}
  .news-more{color:var(--mx-brand-2);font-weight:600;font-size:14px;margin-top:14px}
  .news-empty{padding:70px 0;text-align:center;color:var(--muted)}
  .pager{display:flex;gap:8px;justify-content:center;margin-top:46px;flex-wrap:wrap}
  .pager a,.pager span{padding:8px 14px;border-radius:10px;border:1px solid var(--line);color:var(--muted);font-size:14px}
  .pager a:hover{border-color:var(--mx-brand-2);color:var(--txt)}
  .pager span.cur{color:#fff;font-weight:600;border-color:transparent;background:linear-gradient(135deg,var(--mx-brand),var(--mx-brand-2))}

  /* ================= 文章详情 ================= */
  .article{padding:54px 0 10px}
  .article-inner{max-width:820px;margin:0 auto}
  .crumb{font-size:13px;color:var(--muted);margin-bottom:20px}
  .crumb a:hover{color:var(--mx-brand-2)}
  .article h1{font-size:34px;line-height:1.35;font-weight:800;letter-spacing:-.4px}
  .article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin:18px 0 26px}
  .article-cover{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:30px;box-shadow:var(--shadow)}
  .article-cover img{width:100%;display:block}
  .article-body{font-size:16.5px;line-height:1.9;color:#dbe3f7}
  .article-body p{margin-bottom:20px}
  .article-body .hl{color:var(--accent);font-weight:600}
  .article-body img{border-radius:12px;max-width:100%}
  .article-foot{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
  .related{margin-top:54px;padding-top:34px;border-top:1px solid var(--line)}
  .related h3{font-size:20px;margin-bottom:20px}
  .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  @media(max-width:760px){.related-grid{grid-template-columns:1fr}}
  .related-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;transition:.2s}
  .related-card:hover{border-color:var(--mx-brand-2);transform:translateY(-3px)}
  .related-card h4{font-size:15px;line-height:1.5;margin-bottom:8px}
  .related-card span{font-size:13px;color:var(--muted)}

  /* ================= 自定页 ================= */
  .page-body{font-size:16.5px;line-height:1.9;color:#dbe3f7}
  .page-body p{margin-bottom:18px}
  .page-body h2{font-size:26px;margin:36px 0 16px;color:var(--txt)}
  .page-body h3{font-size:20px;margin:26px 0 12px;color:var(--txt)}
  .page-body .hl{color:var(--accent);font-weight:600}
  .page-body img{border-radius:12px;max-width:100%}

  /* ================= 正文/标题强调（引擎把 **文字** 渲染为 .hl）================= */
  .hl{color:var(--accent);font-weight:600}

  /* ================= 引擎渲染页类兜底（防未覆盖路由裸奔）================= */
  .wwcw-news-head,.wwcw-news-title{font-weight:800;color:var(--txt)}
  .wwcw-kicker,.wwcw-news-desc,.wwcw-news-sum,.wwcw-news-meta,.wwcw-news-empty{color:var(--muted)}
  .wwcw-news-list{display:grid;gap:20px}
  .wwcw-news-row{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
  .wwcw-news-tag,.wwcw-article-category{
    display:inline-block;padding:3px 10px;border-radius:999px;font-size:13px;
    background:rgba(91,140,255,.14);color:var(--mx-brand-2);font-weight:600;
  }
  .wwcw-news-head-title,.wwcw-article-title{font-size:22px;color:var(--txt)}
  .wwcw-news-more,.wwcw-back-link{color:var(--mx-brand-2);font-weight:600}
  .wwcw-pagination{display:flex;gap:8px;justify-content:center;margin-top:40px}
  .wwcw-article-body p{margin-bottom:20px}
  .wwcw-related-title{font-size:20px;color:var(--txt)}
  .wwcw-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .wwcw-related-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
  /* 引擎统一页头/页脚的兜底（本主题页头用 header.nav，仅防万一） */
  .site-header .container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
  .site-footer{border-top:1px solid var(--line);padding:42px 0;color:var(--muted);font-size:14px}