/* roulang page: index */
:root{
      --primary:#2F6FED;
      --primary-2:#4F8BFF;
      --primary-soft:#EAF2FF;
      --primary-soft-2:#F2F7FF;
      --accent:#18A7A7;
      --accent-soft:#DFF8F6;
      --warm:#F59E0B;
      --warm-soft:#FFF4DC;
      --bg:#F6F9FE;
      --surface:#FFFFFF;
      --surface-blue:#F8FBFF;
      --text:#172033;
      --muted:#5D6B82;
      --weak:#8A96A8;
      --border:rgba(89,125,180,.16);
      --border-strong:rgba(47,111,237,.28);
      --shadow:0 12px 32px rgba(31,63,114,.08);
      --shadow-hover:0 18px 48px rgba(31,63,114,.14);
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 5%, rgba(79,139,255,.12), transparent 32%),
        radial-gradient(circle at 88% 12%, rgba(24,167,167,.10), transparent 30%),
        linear-gradient(180deg,#F8FBFF 0%,var(--bg) 42%,#fff 100%);
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{
      outline:3px solid rgba(47,111,237,.22);
      outline-offset:3px;
    }
    .site-container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .section{padding:88px 0}
    .section-sm{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:14px;
      font-weight:700;
      border:1px solid rgba(47,111,237,.12);
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(24,167,167,.12);
    }
    .section-title{
      margin:16px 0 10px;
      font-size:34px;
      line-height:1.22;
      letter-spacing:-.02em;
      font-weight:800;
      color:var(--text);
    }
    .section-desc{
      max-width:760px;
      margin:0;
      color:var(--muted);
      font-size:16.5px;
    }
    .header-wrap{
      position:sticky;
      top:0;
      z-index:99;
      padding:16px 0 10px;
      backdrop-filter:saturate(160%) blur(14px);
      background:rgba(246,249,254,.78);
      border-bottom:1px solid rgba(89,125,180,.08);
    }
    .nav-panel{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:12px;
      border-radius:28px;
      background:rgba(255,255,255,.94);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:235px;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 10px 22px rgba(47,111,237,.22);
      font-weight:900;
    }
    .brand-text{line-height:1.2}
    .brand-text small{display:block;color:var(--weak);font-size:12px;font-weight:650;margin-top:2px}
    .nav-toggle{
      display:none;
      border:0;
      width:44px;height:44px;border-radius:14px;
      background:var(--primary-soft);
      color:var(--primary);
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .nav-item-card{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 14px;
      border-radius:16px;
      background:#fff;
      border:1px solid rgba(89,125,180,.12);
      color:var(--muted);
      font-size:14px;
      font-weight:750;
      white-space:nowrap;
    }
    .nav-item-card:hover{
      transform:translateY(-1px);
      color:var(--primary);
      background:var(--primary-soft-2);
      border-color:rgba(47,111,237,.18);
    }
    .nav-item-card.active{
      color:var(--primary);
      background:var(--primary-soft);
      border-color:rgba(47,111,237,.24);
      box-shadow:inset 0 0 0 1px rgba(47,111,237,.05);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:12px 18px;
      border-radius:999px;
      background:var(--text);
      color:#fff;
      font-size:14px;
      font-weight:800;
      box-shadow:0 12px 24px rgba(23,32,51,.12);
      white-space:nowrap;
    }
    .nav-cta:hover{color:#fff;background:#24304a;transform:translateY(-1px)}
    .hero{padding:70px 0 46px}
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);
      gap:44px;
      align-items:center;
    }
    .hero h1{
      margin:18px 0 18px;
      font-size:52px;
      line-height:1.16;
      letter-spacing:-.04em;
      font-weight:850;
    }
    .hero-subtitle{
      max-width:690px;
      color:var(--muted);
      font-size:17.5px;
      margin-bottom:24px;
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 26px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:7px 11px;
      background:#fff;
      color:var(--muted);
      border:1px solid var(--border);
      font-size:13.5px;
      font-weight:700;
    }
    .tag.hot{background:var(--warm-soft);color:#A15C00;border-color:rgba(245,158,11,.22)}
    .btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .btn-modern{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:50px;
      padding:13px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      transition:.22s ease;
      cursor:pointer;
    }
    .btn-primary-modern{
      background:var(--primary);
      color:#fff;
      box-shadow:0 14px 28px rgba(47,111,237,.22);
    }
    .btn-primary-modern:hover{background:#245fd4;color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px rgba(47,111,237,.28)}
    .btn-secondary-modern{
      background:#fff;
      color:var(--primary);
      border-color:rgba(47,111,237,.24);
      box-shadow:0 8px 20px rgba(31,63,114,.06);
    }
    .btn-secondary-modern:hover{background:var(--primary-soft);border-color:rgba(47,111,237,.38);transform:translateY(-2px)}
    .btn-note{display:block;font-size:12px;font-weight:650;opacity:.78;margin-left:2px}
    .hero-visual{
      position:relative;
      min-height:480px;
      border-radius:34px;
      padding:24px;
      background:linear-gradient(160deg,#fff 0%,#F2F7FF 100%);
      border:1px solid var(--border);
      box-shadow:var(--shadow-hover);
      overflow:hidden;
    }
    .hero-visual::before{
      content:"";
      position:absolute;
      inset:-80px -70px auto auto;
      width:240px;height:240px;border-radius:50%;
      background:rgba(79,139,255,.18);
    }
    .app-panel{position:relative;z-index:1;background:#fff;border:1px solid var(--border);border-radius:26px;padding:18px;box-shadow:0 16px 36px rgba(31,63,114,.10)}
    .app-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .dots{display:flex;gap:6px}
    .dots span{width:9px;height:9px;border-radius:50%;background:#C9D8F2}
    .status-badge{font-size:12px;color:var(--accent);font-weight:800;background:var(--accent-soft);padding:6px 10px;border-radius:999px}
    .download-card{
      padding:18px;
      border-radius:22px;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;
      margin-bottom:16px;
    }
    .download-card strong{font-size:20px;display:block;margin-bottom:5px}
    .download-card p{margin:0;color:rgba(255,255,255,.82);font-size:13.5px}
    .progress-soft{height:9px;border-radius:999px;background:rgba(255,255,255,.25);overflow:hidden;margin-top:15px}
    .progress-soft span{display:block;width:76%;height:100%;border-radius:999px;background:#fff}
    .mini-list{display:grid;gap:10px}
    .mini-item{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      padding:12px;border-radius:16px;background:var(--surface-blue);border:1px solid rgba(89,125,180,.12)
    }
    .mini-item b{font-size:14px}
    .mini-item em{font-style:normal;color:var(--weak);font-size:12px}
    .floating-card{
      position:absolute;
      right:22px;
      bottom:26px;
      z-index:2;
      width:220px;
      padding:16px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 18px 42px rgba(31,63,114,.13);
    }
    .floating-card .num{font-size:28px;line-height:1;font-weight:850;color:var(--primary)}
    .floating-card p{margin:8px 0 0;color:var(--muted);font-size:13px}
    .quick-stats{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:28px;
    }
    .stat{
      padding:18px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .stat b{display:block;font-size:24px;color:var(--primary);line-height:1.1}
    .stat span{color:var(--muted);font-size:13px;font-weight:700}
    .carousel-shell{
      margin-top:34px;
      border-radius:30px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      padding:20px;
    }
    .screen-slide{
      min-height:360px;
      border-radius:24px;
      background:linear-gradient(180deg,#F8FBFF,#fff);
      border:1px solid rgba(89,125,180,.12);
      padding:26px;
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:26px;
      align-items:center;
    }
    .screen-copy h3{font-size:24px;font-weight:800;margin-bottom:12px}
    .screen-copy p{color:var(--muted);margin-bottom:18px}
    .fake-screen{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:16px;
      box-shadow:0 16px 36px rgba(31,63,114,.09);
    }
    .fake-line{height:12px;border-radius:999px;background:#DFEAFE;margin:10px 0}
    .fake-line.w70{width:70%}.fake-line.w55{width:55%}.fake-line.w88{width:88%}
    .screen-row{
      display:flex;align-items:center;justify-content:space-between;
      padding:12px;margin-top:10px;border-radius:15px;background:var(--primary-soft-2);border:1px solid rgba(89,125,180,.10)
    }
    .carousel-indicators [data-bs-target]{
      width:28px;height:7px;border-radius:999px;background:var(--primary);opacity:.22;border:0;
    }
    .carousel-indicators .active{opacity:1}
    .carousel-control-prev,.carousel-control-next{
      width:46px;height:46px;top:auto;bottom:16px;border-radius:16px;background:var(--text);opacity:1;
    }
    .carousel-control-prev{left:auto;right:76px}.carousel-control-next{right:22px}
    .feature-ribbon{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      margin-top:32px;
    }
    .info-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:24px;
      box-shadow:var(--shadow);
      transition:.22s ease;
    }
    .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-strong)}
    .info-card h3{font-size:21px;font-weight:800;margin:0 0 10px}
    .info-card p{color:var(--muted);margin:0}
    .require-grid{
      margin-top:30px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .require-item{
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 10px 24px rgba(31,63,114,.06);
    }
    .icon-bubble{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
      margin-bottom:14px;
    }
    .require-item b{display:block;margin-bottom:5px;font-size:16px}
    .require-item span{color:var(--muted);font-size:13.5px}
    .category-board{
      margin-top:34px;
      padding:18px;
      border-radius:30px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .category-row{
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px;
      border-radius:22px;
      background:var(--surface-blue);
      border:1px solid rgba(89,125,180,.12);
    }
    .category-row + .category-row{margin-top:14px}
    .cat-number{
      width:58px;height:58px;border-radius:20px;
      display:grid;place-items:center;
      background:#fff;
      color:var(--primary);
      font-weight:900;
      font-size:20px;
      box-shadow:0 8px 18px rgba(31,63,114,.06);
    }
    .category-row h3{font-size:21px;font-weight:850;margin-bottom:8px}
    .category-row p{margin:0;color:var(--muted)}
    .category-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .small-link{
      display:inline-flex;align-items:center;gap:6px;
      color:var(--primary);
      font-weight:850;
      padding:10px 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(47,111,237,.18);
      white-space:nowrap;
    }
    .small-link:hover{background:var(--primary);color:#fff}
    .reviews{
      margin-top:34px;
      display:grid;
      grid-template-columns:1.05fr .95fr 1fr;
      gap:18px;
      align-items:start;
    }
    .review-card{
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .review-card:nth-child(2){margin-top:26px}
    .avatar{
      width:42px;height:42px;border-radius:50%;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary-soft),var(--accent-soft));
      color:var(--primary);
      font-weight:900;
      margin-bottom:14px;
    }
    .review-card p{color:var(--muted);margin-bottom:12px}
    .review-card b{font-size:14px}
    .search-box{
      margin-top:28px;
      display:flex;
      gap:10px;
      max-width:720px;
      padding:8px;
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      box-shadow:var(--shadow);
    }
    .search-box input{
      flex:1;
      border:0;
      outline:none;
      padding:12px 14px;
      border-radius:16px;
      color:var(--text);
      background:transparent;
    }
    .search-box input:focus{box-shadow:inset 0 0 0 2px rgba(47,111,237,.18);background:var(--primary-soft-2)}
    .accordion-shell{
      margin-top:30px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      padding:12px;
    }
    .accordion-item{
      border:0;
      border-radius:18px!important;
      overflow:hidden;
      background:transparent;
      margin:6px 0;
    }
    .accordion-button{
      border-radius:18px!important;
      background:var(--surface-blue);
      color:var(--text);
      font-weight:800;
      box-shadow:none!important;
      padding:18px 20px;
    }
    .accordion-button:not(.collapsed){
      background:var(--primary-soft);
      color:var(--primary);
    }
    .accordion-body{
      color:var(--muted);
      padding:18px 20px 22px;
      background:#fff;
      border:1px solid rgba(47,111,237,.10);
      border-top:0;
      border-radius:0 0 18px 18px;
    }
    .cta-card{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      padding:38px;
      background:linear-gradient(135deg,#EAF2FF,#FFFFFF 60%,#DFF8F6);
      border:1px solid var(--border);
      box-shadow:var(--shadow-hover);
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
    }
    .cta-card::after{
      content:"";
      position:absolute;
      right:-54px;
      top:-54px;
      width:180px;height:180px;
      border-radius:50%;
      background:rgba(47,111,237,.10);
    }
    .cta-card h2{font-size:32px;font-weight:850;margin:0 0 10px}
    .cta-card p{margin:0;color:var(--muted);max-width:720px}
    .footer{
      padding:46px 0 30px;
      background:#EEF5FF;
      border-top:1px solid rgba(89,125,180,.12);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer h3,.footer h4{font-weight:850;margin-bottom:14px}
    .footer p,.footer li{color:var(--muted);font-size:14px}
    .footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .footer a{color:var(--muted);font-weight:700}
    .footer a:hover{color:var(--primary)}
    .copyright{
      margin-top:28px;
      padding-top:18px;
      border-top:1px solid rgba(89,125,180,.14);
      color:var(--weak);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    @media (max-width: 1024px){
      .brand{min-width:auto}
      .brand-text{max-width:200px}
      .nav-panel{align-items:flex-start;flex-wrap:wrap}
      .nav-links{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:2px}
      .hero-grid{grid-template-columns:1fr;gap:30px}
      .hero-visual{min-height:430px}
      .require-grid{grid-template-columns:repeat(2,1fr)}
      .reviews{grid-template-columns:1fr 1fr}
      .review-card:nth-child(2){margin-top:0}
    }
    @media (max-width: 768px){
      .section{padding:66px 0}
      .hero{padding:44px 0 34px}
      .nav-toggle{display:grid;place-items:center}
      .nav-cta{display:none}
      .nav-links{
        display:none;
        flex-direction:column;
        align-items:stretch;
        overflow:visible;
      }
      .nav-links.show{display:flex}
      .nav-item-card{justify-content:flex-start}
      .hero h1{font-size:36px}
      .hero-subtitle{font-size:16px}
      .quick-stats{grid-template-columns:1fr}
      .screen-slide{grid-template-columns:1fr;min-height:auto;padding:18px}
      .feature-ribbon{grid-template-columns:1fr}
      .category-row{grid-template-columns:1fr;gap:12px}
      .cat-number{width:50px;height:50px}
      .reviews{grid-template-columns:1fr}
      .require-grid{grid-template-columns:1fr}
      .search-box{flex-direction:column}
      .search-box .btn-modern{width:100%}
      .cta-card{grid-template-columns:1fr;padding:28px}
      .footer-grid{grid-template-columns:1fr}
      .carousel-control-prev,.carousel-control-next{bottom:10px}
    }
    @media (max-width: 520px){
      .site-container{padding:0 16px}
      .nav-panel{border-radius:22px}
      .brand-text{font-size:14px;max-width:180px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .hero h1{font-size:31px;letter-spacing:-.03em}
      .section-title{font-size:28px}
      .btn-row{flex-direction:column;align-items:stretch}
      .btn-modern{width:100%}
      .hero-visual{padding:16px;border-radius:24px;min-height:auto}
      .floating-card{position:relative;right:auto;bottom:auto;width:100%;margin-top:14px}
      .cta-card h2{font-size:26px}
    }

/* roulang page: category2 */
:root{
      --primary:#2F6FED;
      --primary-2:#4F8BFF;
      --primary-soft:#EAF2FF;
      --primary-soft-2:#F1F6FF;
      --accent:#F59E0B;
      --accent-soft:#FFF4D7;
      --mint:#18A7A7;
      --mint-soft:#DFF8F6;
      --bg:#F6F9FE;
      --surface:#FFFFFF;
      --surface-blue:#F8FBFF;
      --text:#172033;
      --muted:#5D6B82;
      --weak:#8A96A8;
      --border:rgba(89,125,180,.16);
      --border-strong:rgba(47,111,237,.24);
      --shadow:0 12px 32px rgba(31,63,114,.08);
      --shadow-hover:0 18px 48px rgba(31,63,114,.14);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:24px;
      --radius-xl:30px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(79,139,255,.13), transparent 28%),
        radial-gradient(circle at 90% 18%, rgba(24,167,167,.10), transparent 24%),
        linear-gradient(180deg,#F7FAFF 0%,#F6F9FE 45%,#FFFFFF 100%);
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    img,svg{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{
      outline:3px solid rgba(47,111,237,.25);
      outline-offset:3px;
      border-radius:12px;
    }
    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .section{
      padding:72px 0;
    }
    .section-tight{
      padding:46px 0;
    }
    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-title h2{
      font-size:clamp(28px,3vw,36px);
      line-height:1.22;
      font-weight:800;
      margin:0;
      letter-spacing:-.02em;
    }
    .section-title p{
      margin:8px 0 0;
      color:var(--muted);
      max-width:660px;
      font-size:16px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:700;
      font-size:13px;
      border:1px solid rgba(47,111,237,.12);
    }
    .header-wrap{
      position:sticky;
      top:0;
      z-index:50;
      padding:18px 0 10px;
      background:linear-gradient(180deg, rgba(246,249,254,.96), rgba(246,249,254,.78));
      backdrop-filter:saturate(160%) blur(14px);
    }
    .nav-panel{
      display:flex;
      align-items:center;
      gap:14px;
      padding:12px;
      border:1px solid var(--border);
      border-radius:28px;
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      min-width:280px;
    }
    .brand-mark{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#fff;
      font-weight:900;
      font-size:20px;
      background:linear-gradient(135deg,var(--primary),var(--mint));
      box-shadow:0 12px 26px rgba(47,111,237,.22);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      font-weight:850;
      letter-spacing:-.01em;
      line-height:1.15;
      color:var(--text);
      font-size:15px;
    }
    .brand-text small{
      margin-top:4px;
      font-size:12px;
      font-weight:650;
      color:var(--weak);
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border:0;
      border-radius:14px;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:22px;
      line-height:1;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      flex:1 1 auto;
      justify-content:center;
    }
    .nav-item-card{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:9px 14px;
      border-radius:15px;
      border:1px solid rgba(89,125,180,.12);
      background:#F8FBFF;
      color:var(--muted);
      font-size:14px;
      font-weight:750;
      white-space:nowrap;
    }
    .nav-item-card:hover{
      color:var(--primary);
      border-color:rgba(47,111,237,.22);
      background:var(--primary-soft);
      transform:translateY(-1px);
    }
    .nav-item-card.active{
      color:var(--primary);
      background:linear-gradient(180deg,#EAF2FF,#F8FBFF);
      border-color:rgba(47,111,237,.28);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.7);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:10px 18px;
      border-radius:999px;
      background:var(--primary);
      color:#fff;
      font-weight:800;
      white-space:nowrap;
      box-shadow:0 12px 24px rgba(47,111,237,.25);
    }
    .nav-cta:hover{
      color:#fff;
      background:#245FD2;
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(47,111,237,.32);
    }
    .breadcrumb-line{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--weak);
      font-size:14px;
      margin-bottom:18px;
    }
    .breadcrumb-line a{
      color:var(--primary);
      font-weight:700;
    }
    .hero-board{
      padding:58px 0 34px;
    }
    .topic-board{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.96),rgba(234,242,255,.86)),
        radial-gradient(circle at right top, rgba(24,167,167,.12), transparent 36%);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      padding:34px;
    }
    .topic-board:before{
      content:"";
      position:absolute;
      right:-80px;
      top:-80px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(79,139,255,.12);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:34px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    h1{
      font-size:clamp(31px,4.2vw,50px);
      line-height:1.18;
      font-weight:850;
      letter-spacing:-.04em;
      margin:18px 0 18px;
      color:var(--text);
    }
    .hero-desc{
      color:var(--muted);
      font-size:17px;
      line-height:1.9;
      margin:0 0 22px;
      max-width:720px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:20px 0 0;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:var(--surface);
      color:var(--muted);
      border:1px solid var(--border);
      font-size:13px;
      font-weight:700;
      box-shadow:0 6px 18px rgba(31,63,114,.04);
    }
    .tag.hot:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(245,158,11,.12);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .btn-modern{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:1px solid transparent;
      border-radius:999px;
      min-height:50px;
      padding:12px 20px;
      font-weight:850;
      transition:.22s ease;
      cursor:pointer;
    }
    .btn-primary-modern{
      background:var(--primary);
      color:#fff;
      box-shadow:0 13px 26px rgba(47,111,237,.24);
    }
    .btn-primary-modern:hover{
      color:#fff;
      background:#245FD2;
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(47,111,237,.31);
    }
    .btn-secondary-modern{
      background:#fff;
      color:var(--primary);
      border-color:rgba(47,111,237,.25);
    }
    .btn-secondary-modern:hover{
      background:var(--primary-soft);
      border-color:rgba(47,111,237,.42);
      color:#1f58c6;
      transform:translateY(-2px);
    }
    .btn-amber{
      background:var(--accent);
      color:#fff;
      box-shadow:0 14px 28px rgba(245,158,11,.22);
    }
    .btn-amber:hover{
      color:#fff;
      background:#E58E07;
      transform:translateY(-2px);
    }
    .dashboard-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:28px;
      padding:22px;
      box-shadow:0 20px 55px rgba(31,63,114,.10);
    }
    .dash-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .dash-title{
      font-size:18px;
      font-weight:850;
      margin:0;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:7px 10px;
      background:var(--mint-soft);
      color:#0f7f7f;
      font-weight:800;
      font-size:12px;
    }
    .status-pill:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--mint);
    }
    .mini-tabs{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-bottom:16px;
    }
    .mini-tab{
      padding:12px 10px;
      border-radius:16px;
      background:var(--primary-soft-2);
      border:1px solid rgba(89,125,180,.13);
      text-align:center;
    }
    .mini-tab b{
      display:block;
      color:var(--primary);
      font-size:20px;
      line-height:1.1;
    }
    .mini-tab span{
      color:var(--weak);
      font-size:12px;
      font-weight:700;
    }
    .timeline-preview{
      display:grid;
      gap:12px;
    }
    .preview-row{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:12px;
      padding:13px;
      border-radius:17px;
      background:#F9FBFF;
      border:1px solid rgba(89,125,180,.12);
    }
    .preview-dot{
      width:34px;
      height:34px;
      border-radius:13px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
    }
    .preview-row strong{
      display:block;
      font-size:14px;
      line-height:1.35;
    }
    .preview-row small{
      display:block;
      margin-top:2px;
      color:var(--weak);
      font-weight:650;
    }
    .preview-row em{
      font-style:normal;
      font-size:12px;
      color:#0f7f7f;
      background:var(--mint-soft);
      padding:5px 8px;
      border-radius:999px;
      font-weight:800;
      white-space:nowrap;
    }
    .index-strip{
      display:flex;
      gap:12px;
      overflow-x:auto;
      padding:4px 2px 14px;
      scrollbar-width:thin;
    }
    .index-strip a{
      flex:0 0 auto;
      padding:11px 15px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--muted);
      font-weight:800;
      box-shadow:0 8px 20px rgba(31,63,114,.05);
    }
    .index-strip a:hover,
    .index-strip a.active{
      background:var(--primary);
      color:#fff;
      border-color:var(--primary);
      transform:translateY(-2px);
    }
    .group-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:22px;
    }
    .group-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:24px;
      box-shadow:var(--shadow);
      transition:.22s ease;
    }
    .group-card:hover{
      transform:translateY(-3px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-hover);
    }
    .group-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .group-icon{
      width:48px;
      height:48px;
      border-radius:17px;
      display:grid;
      place-items:center;
      color:var(--primary);
      background:var(--primary-soft);
      font-size:22px;
      font-weight:900;
    }
    .group-card h3{
      margin:0;
      font-size:22px;
      font-weight:850;
      line-height:1.3;
    }
    .group-card p{
      margin:8px 0 0;
      color:var(--muted);
      line-height:1.8;
    }
    .entry-list{
      display:grid;
      gap:10px;
      margin-top:18px;
    }
    .entry-item{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      padding:13px 14px;
      border-radius:16px;
      background:var(--surface-blue);
      border:1px solid rgba(89,125,180,.12);
    }
    .entry-item span{
      color:var(--text);
      font-weight:800;
      font-size:14px;
    }
    .entry-item small{
      color:var(--weak);
      font-weight:700;
      white-space:nowrap;
    }
    .entry-item:hover{
      background:var(--primary-soft);
      border-color:rgba(47,111,237,.2);
    }
    .notice-bar{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px 20px;
      border-radius:22px;
      background:linear-gradient(135deg,#FFFFFF,#EFF6FF);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .notice-icon{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:var(--accent-soft);
      color:var(--accent);
      font-weight:950;
      font-size:21px;
    }
    .notice-bar strong{
      display:block;
      font-size:17px;
      font-weight:850;
    }
    .notice-bar p{
      margin:3px 0 0;
      color:var(--muted);
      line-height:1.65;
    }
    .steps-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
    }
    .step-card{
      position:relative;
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:24px 20px;
      box-shadow:var(--shadow);
      min-height:210px;
      transition:.22s ease;
    }
    .step-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:var(--border-strong);
    }
    .step-no{
      display:inline-flex;
      width:42px;
      height:42px;
      border-radius:15px;
      align-items:center;
      justify-content:center;
      background:var(--primary);
      color:#fff;
      font-weight:900;
      box-shadow:0 12px 24px rgba(47,111,237,.22);
      margin-bottom:18px;
    }
    .step-card h3{
      margin:0 0 9px;
      font-size:18px;
      line-height:1.38;
      font-weight:850;
    }
    .step-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
    }
    .recommend-layout{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:stretch;
    }
    .download-panel{
      border-radius:28px;
      padding:28px;
      background:linear-gradient(155deg,#2F6FED,#4F8BFF);
      color:#fff;
      box-shadow:0 22px 50px rgba(47,111,237,.24);
    }
    .download-panel h2{
      font-size:30px;
      line-height:1.25;
      margin:0 0 12px;
      font-weight:850;
    }
    .download-panel p{
      margin:0 0 20px;
      color:rgba(255,255,255,.86);
    }
    .download-info{
      display:grid;
      gap:10px;
      margin:22px 0;
    }
    .download-info div{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      color:rgba(255,255,255,.92);
    }
    .download-info b{
      font-weight:850;
    }
    .soft-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:50px;
      padding:12px 18px;
      border-radius:999px;
      background:#fff;
      color:var(--primary);
      font-weight:900;
    }
    .soft-btn:hover{
      color:#245FD2;
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(0,0,0,.12);
    }
    .recommend-list{
      display:grid;
      gap:14px;
    }
    .recommend-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:15px;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 10px 28px rgba(31,63,114,.06);
      transition:.22s ease;
    }
    .recommend-item:hover{
      transform:translateY(-2px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-hover);
    }
    .rec-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:var(--mint-soft);
      color:#0f7f7f;
      font-weight:950;
    }
    .recommend-item h3{
      margin:0;
      font-size:18px;
      font-weight:850;
    }
    .recommend-item p{
      margin:4px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .rec-link{
      color:var(--primary);
      font-weight:900;
      white-space:nowrap;
    }
    .faq-wrap{
      background:#fff;
      border:1px solid var(--border);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:12px;
    }
    .accordion-item{
      border:0;
      border-radius:20px!important;
      overflow:hidden;
      background:transparent;
      margin:8px 0;
    }
    .accordion-button{
      border-radius:18px!important;
      background:var(--surface-blue);
      color:var(--text);
      font-weight:850;
      padding:18px 20px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      background:var(--primary-soft);
      color:var(--primary);
    }
    .accordion-button:focus{
      border-color:transparent;
      box-shadow:0 0 0 3px rgba(47,111,237,.18)!important;
    }
    .accordion-body{
      color:var(--muted);
      padding:18px 22px 22px;
      line-height:1.85;
      background:#fff;
    }
    .cta-card{
      border-radius:30px;
      padding:34px;
      background:
        linear-gradient(135deg,#FFFFFF 0%,#EAF2FF 100%);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .cta-card h2{
      margin:0 0 10px;
      font-size:clamp(26px,3vw,36px);
      font-weight:850;
      line-height:1.25;
    }
    .cta-card p{
      margin:0;
      color:var(--muted);
      max-width:720px;
    }
    .footer{
      margin-top:44px;
      padding:54px 0 28px;
      background:#EDF4FF;
      color:var(--muted);
      border-top:1px solid rgba(89,125,180,.14);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .9fr;
      gap:34px;
      padding-bottom:28px;
    }
    .footer h3,.footer h4{
      color:var(--text);
      margin:0 0 14px;
      font-weight:850;
    }
    .footer p{
      margin:0;
      max-width:520px;
      line-height:1.85;
    }
    .footer ul{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer a{
      color:var(--muted);
      font-weight:700;
    }
    .footer a:hover{
      color:var(--primary);
    }
    .copyright{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      border-top:1px solid rgba(89,125,180,.16);
      color:var(--weak);
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1100px){
      .brand{min-width:240px}
      .nav-panel{align-items:flex-start;flex-wrap:wrap}
      .nav-links{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-top:4px}
      .nav-cta{margin-left:auto}
      .hero-grid,.recommend-layout{grid-template-columns:1fr}
      .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .header-wrap{padding:12px 0 8px}
      .nav-panel{border-radius:22px}
      .brand{min-width:0;flex:1}
      .brand-text{font-size:13px}
      .brand-text small{font-size:11px}
      .brand-mark{width:42px;height:42px;border-radius:14px}
      .nav-toggle{display:grid;place-items:center}
      .nav-links{
        display:none;
        flex-direction:column;
        align-items:stretch;
        overflow:visible;
      }
      .nav-links.show{display:flex}
      .nav-item-card{justify-content:flex-start;width:100%}
      .nav-cta{width:100%;margin-left:0}
      .topic-board{padding:24px;border-radius:24px}
      .hero-board{padding:34px 0 18px}
      .section{padding:54px 0}
      .section-tight{padding:34px 0}
      .section-title{display:block}
      .group-grid,.footer-grid{grid-template-columns:1fr}
      .notice-bar{grid-template-columns:1fr}
      .steps-grid{grid-template-columns:1fr}
      .cta-card{grid-template-columns:1fr;padding:26px}
      .hero-actions .btn-modern{width:100%}
      .mini-tabs{grid-template-columns:1fr}
      .preview-row,.recommend-item{grid-template-columns:auto 1fr}
      .preview-row em,.rec-link{grid-column:2}
    }
    @media (max-width:520px){
      h1{font-size:31px;letter-spacing:-.03em}
      .topic-board,.dashboard-card,.group-card,.download-panel,.cta-card{border-radius:20px}
      .group-head{display:block}
      .group-icon{margin-bottom:14px}
      .entry-item{align-items:flex-start;flex-direction:column;gap:4px}
      .download-info div{flex-direction:column;gap:4px}
      .copyright{display:grid}
    }

/* roulang page: category1 */
:root{
      --primary:#2F6FED;
      --primary-dark:#1f55c8;
      --primary-soft:#EAF2FF;
      --primary-soft-2:#F2F7FF;
      --accent:#18A7A7;
      --accent-soft:#DFF8F6;
      --warm:#F59E0B;
      --warm-soft:#FFF4DA;
      --bg:#F6F9FE;
      --surface:#FFFFFF;
      --surface-blue:#F8FBFF;
      --text:#172033;
      --muted:#5D6B82;
      --weak:#8A96A8;
      --border:rgba(89,125,180,.16);
      --border-strong:rgba(47,111,237,.26);
      --shadow:0 12px 32px rgba(31,63,114,.08);
      --shadow-lg:0 18px 48px rgba(31,63,114,.14);
      --radius-sm:12px;
      --radius:22px;
      --radius-lg:30px;
      --container:1180px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(47,111,237,.08), transparent 32%),
        radial-gradient(circle at 92% 18%, rgba(24,167,167,.09), transparent 30%),
        linear-gradient(180deg,#F7FAFF 0%,#F6F9FE 45%,#FFFFFF 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    img{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{border:0}
    ::selection{background:rgba(47,111,237,.18)}
    :focus-visible{
      outline:3px solid rgba(47,111,237,.3);
      outline-offset:3px;
      border-radius:10px;
    }

    .site-container{
      width:min(calc(100% - 32px), var(--container));
      margin:0 auto;
    }
    .section{
      padding:74px 0;
    }
    .section-tight{
      padding:46px 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid var(--border-strong);
      font-size:14px;
      font-weight:700;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(24,167,167,.12);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(32px,4vw,50px);
      line-height:1.18;
      font-weight:800;
      letter-spacing:-.04em;
      margin-bottom:18px;
    }
    h2{
      font-size:clamp(26px,3vw,34px);
      line-height:1.25;
      font-weight:780;
      letter-spacing:-.03em;
      margin-bottom:14px;
    }
    h3{
      font-size:21px;
      line-height:1.35;
      font-weight:720;
      margin-bottom:10px;
    }
    p{
      color:var(--muted);
      font-size:16px;
      margin-bottom:0;
    }

    .header-wrap{
      position:sticky;
      top:0;
      z-index:1000;
      padding:16px 0;
      background:rgba(246,249,254,.82);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(89,125,180,.08);
    }
    .nav-panel{
      display:flex;
      align-items:center;
      gap:14px;
      padding:12px;
      border:1px solid var(--border);
      border-radius:28px;
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:280px;
    }
    .brand:hover .brand-mark{
      transform:rotate(-6deg) scale(1.04);
      box-shadow:0 12px 28px rgba(47,111,237,.22);
    }
    .brand-mark{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),#65A0FF);
      box-shadow:0 10px 24px rgba(47,111,237,.18);
      transition:.22s ease;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:0;
      font-size:16px;
      line-height:1.25;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--text);
    }
    .brand-text small{
      color:var(--weak);
      font-weight:650;
      font-size:12px;
      letter-spacing:0;
    }
    .nav-links{
      flex:1;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
    }
    .nav-item-card{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      min-height:42px;
      padding:10px 14px;
      border-radius:15px;
      font-size:14px;
      font-weight:750;
      color:var(--muted);
      background:#F8FBFF;
      border:1px solid transparent;
    }
    .nav-item-card:hover{
      color:var(--primary-dark);
      border-color:var(--border-strong);
      background:var(--primary-soft);
      transform:translateY(-1px);
    }
    .nav-item-card.active{
      color:var(--primary-dark);
      background:linear-gradient(180deg,#EAF2FF,#F7FBFF);
      border-color:var(--border-strong);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.7);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      gap:8px;
      white-space:nowrap;
      padding:12px 18px;
      border-radius:999px;
      color:#fff;
      font-weight:800;
      background:linear-gradient(135deg,var(--primary),#4F8BFF);
      box-shadow:0 12px 26px rgba(47,111,237,.22);
    }
    .nav-cta:hover{
      color:#fff;
      background:linear-gradient(135deg,var(--primary-dark),var(--primary));
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(47,111,237,.3);
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid var(--border-strong);
      font-size:20px;
      font-weight:900;
    }

    .breadcrumb-row{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:var(--weak);
      font-size:14px;
      margin-bottom:18px;
    }
    .breadcrumb-row a{
      color:var(--primary-dark);
      font-weight:750;
    }
    .breadcrumb-row span{
      color:var(--muted);
    }

    .category-hero{
      padding:54px 0 34px;
    }
    .overview-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      background:
        linear-gradient(135deg,rgba(255,255,255,.96),rgba(242,247,255,.95)),
        radial-gradient(circle at 85% 10%,rgba(47,111,237,.16),transparent 36%);
      box-shadow:var(--shadow);
      padding:34px;
    }
    .overview-card::after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-90px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(24,167,167,.09);
      pointer-events:none;
    }
    .hero-layout{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:30px;
      align-items:stretch;
    }
    .hero-copy .lead{
      font-size:18px;
      line-height:1.85;
      max-width:760px;
      margin-bottom:22px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:20px 0 0;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 12px;
      border-radius:999px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(47,111,237,.15);
      font-size:13px;
      font-weight:750;
    }
    .tag.teal{
      color:#087C7C;
      background:var(--accent-soft);
      border-color:rgba(24,167,167,.2);
    }
    .tag.warm{
      color:#9A5B00;
      background:var(--warm-soft);
      border-color:rgba(245,158,11,.22);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .btn-main,.btn-secondary-soft,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:12px 19px;
      border-radius:999px;
      font-weight:850;
      transition:.22s ease;
      border:1px solid transparent;
    }
    .btn-main{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#4F8BFF);
      box-shadow:0 14px 30px rgba(47,111,237,.24);
    }
    .btn-main:hover{
      color:#fff;
      transform:translateY(-2px);
      background:linear-gradient(135deg,var(--primary-dark),var(--primary));
      box-shadow:0 18px 40px rgba(47,111,237,.32);
    }
    .btn-secondary-soft{
      color:var(--primary-dark);
      background:#fff;
      border-color:var(--border-strong);
      box-shadow:0 10px 24px rgba(31,63,114,.06);
    }
    .btn-secondary-soft:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
      border-color:rgba(47,111,237,.38);
      transform:translateY(-2px);
    }
    .btn-ghost{
      color:var(--muted);
      background:var(--surface-blue);
      border-color:var(--border);
    }
    .btn-ghost:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
    }

    .download-panel{
      border-radius:26px;
      border:1px solid rgba(47,111,237,.14);
      background:#fff;
      box-shadow:var(--shadow);
      padding:22px;
    }
    .panel-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .panel-title{
      font-weight:850;
      font-size:18px;
      color:var(--text);
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#087C7C;
      background:var(--accent-soft);
      border:1px solid rgba(24,167,167,.18);
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }
    .status-pill::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
    }
    .mock-list{
      display:grid;
      gap:12px;
    }
    .mock-item{
      display:grid;
      grid-template-columns:42px 1fr auto;
      align-items:center;
      gap:12px;
      padding:13px;
      border-radius:18px;
      background:linear-gradient(180deg,#F8FBFF,#FFFFFF);
      border:1px solid var(--border);
    }
    .mock-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
    }
    .mock-item strong{
      display:block;
      font-size:14px;
      line-height:1.3;
      margin-bottom:2px;
    }
    .mock-item small{
      color:var(--weak);
      font-size:12px;
      font-weight:650;
    }
    .mini-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:8px 11px;
      border-radius:999px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(47,111,237,.15);
      font-weight:800;
      font-size:12px;
    }
    .mini-btn:hover{
      color:#fff;
      background:var(--primary);
    }
    .progress-wrap{
      margin-top:18px;
      padding:16px;
      border-radius:18px;
      background:var(--surface-blue);
      border:1px solid var(--border);
    }
    .progress-label{
      display:flex;
      justify-content:space-between;
      color:var(--muted);
      font-size:13px;
      font-weight:750;
      margin-bottom:8px;
    }
    .progress{
      height:10px;
      border-radius:999px;
      background:#E6EEF9;
      overflow:hidden;
    }
    .progress-bar{
      background:linear-gradient(90deg,var(--primary),var(--accent));
      border-radius:999px;
    }

    .filter-card{
      border-radius:var(--radius);
      border:1px solid var(--border);
      background:#fff;
      box-shadow:var(--shadow);
      padding:22px;
      margin-bottom:24px;
    }
    .filter-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      align-items:end;
    }
    .filter-group label{
      display:block;
      font-size:13px;
      font-weight:800;
      color:var(--text);
      margin-bottom:8px;
    }
    .form-select,.form-control{
      min-height:46px;
      border-radius:15px;
      border:1px solid var(--border);
      color:var(--text);
      background-color:#F8FBFF;
      box-shadow:none;
      font-weight:650;
    }
    .form-select:focus,.form-control:focus{
      border-color:rgba(47,111,237,.55);
      box-shadow:0 0 0 .22rem rgba(47,111,237,.12);
    }

    .content-layout{
      display:grid;
      grid-template-columns:1fr 330px;
      gap:24px;
      align-items:start;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:22px;
    }
    .section-head p{
      max-width:680px;
    }
    .resource-list{
      display:grid;
      gap:16px;
    }
    .resource-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
      padding:24px;
      border-radius:var(--radius);
      border:1px solid var(--border);
      background:#fff;
      box-shadow:0 10px 26px rgba(31,63,114,.06);
      transition:.22s ease;
    }
    .resource-card:hover{
      transform:translateY(-3px);
      border-color:rgba(47,111,237,.34);
      box-shadow:var(--shadow-lg);
    }
    .resource-meta{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-bottom:12px;
    }
    .resource-title{
      font-size:21px;
      font-weight:820;
      color:var(--text);
      line-height:1.35;
      margin-bottom:8px;
    }
    .resource-card p{
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .info-row{
      display:flex;
      flex-wrap:wrap;
      gap:13px;
      margin-top:14px;
      color:var(--weak);
      font-size:13px;
      font-weight:700;
    }
    .resource-action{
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:10px;
      min-width:130px;
    }
    .hot-score{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      color:#9A5B00;
      background:var(--warm-soft);
      font-size:12px;
      font-weight:850;
    }
    .hot-score::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--warm);
    }

    .sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:112px;
    }
    .side-card{
      border-radius:var(--radius);
      border:1px solid var(--border);
      background:#fff;
      box-shadow:var(--shadow);
      padding:22px;
    }
    .side-card.highlight{
      background:linear-gradient(180deg,#FFFFFF,#F1F7FF);
      border-color:rgba(47,111,237,.2);
    }
    .side-list{
      list-style:none;
      padding:0;
      margin:14px 0 0;
      display:grid;
      gap:11px;
    }
    .side-list li{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:11px 12px;
      border-radius:14px;
      background:var(--surface-blue);
      color:var(--muted);
      font-size:14px;
      font-weight:700;
    }
    .side-list strong{
      color:var(--text);
      font-weight:850;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:14px;
    }
    .notice-box{
      margin-top:14px;
      padding:14px;
      border-radius:16px;
      background:var(--accent-soft);
      color:#0B6F6F;
      border:1px solid rgba(24,167,167,.18);
      font-size:14px;
      font-weight:700;
      line-height:1.65;
    }

    .system-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .system-card{
      padding:22px;
      border-radius:var(--radius);
      border:1px solid var(--border);
      background:#fff;
      box-shadow:0 10px 26px rgba(31,63,114,.06);
      transition:.22s ease;
    }
    .system-card:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow);
    }
    .system-icon{
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      border-radius:15px;
      color:var(--primary);
      background:var(--primary-soft);
      font-weight:900;
      margin-bottom:12px;
    }
    .system-card strong{
      display:block;
      font-size:17px;
      margin-bottom:6px;
    }
    .system-card span{
      color:var(--muted);
      font-size:14px;
      font-weight:650;
    }

    .load-more{
      display:flex;
      justify-content:center;
      padding-top:24px;
    }

    .accordion{
      --bs-accordion-border-width:0;
      --bs-accordion-border-radius:0;
    }
    .faq-wrap{
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      background:#fff;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .accordion-item{
      border:0;
      border-bottom:1px solid var(--border);
      background:#fff;
    }
    .accordion-item:last-child{
      border-bottom:0;
    }
    .accordion-button{
      padding:20px 24px;
      color:var(--text);
      background:#fff;
      font-weight:850;
      box-shadow:none;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:var(--primary-soft-2);
      box-shadow:none;
    }
    .accordion-button:focus{
      box-shadow:0 0 0 .22rem rgba(47,111,237,.12);
      border-color:transparent;
    }
    .accordion-body{
      padding:0 24px 22px;
      color:var(--muted);
      line-height:1.85;
    }

    .cta-band{
      border-radius:var(--radius-lg);
      border:1px solid rgba(47,111,237,.16);
      background:
        radial-gradient(circle at 14% 20%,rgba(47,111,237,.12),transparent 32%),
        linear-gradient(135deg,#FFFFFF,#EAF2FF);
      box-shadow:var(--shadow);
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .cta-band p{
      max-width:760px;
    }

    .footer{
      margin-top:38px;
      padding:54px 0 26px;
      background:linear-gradient(180deg,#EEF5FF,#E8F1FD);
      border-top:1px solid rgba(89,125,180,.14);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .8fr;
      gap:28px;
      margin-bottom:30px;
    }
    .footer h3,.footer h4{
      color:var(--text);
      font-weight:850;
      margin-bottom:12px;
    }
    .footer h3{
      font-size:22px;
    }
    .footer h4{
      font-size:16px;
    }
    .footer p{
      max-width:520px;
      font-size:15px;
    }
    .footer ul{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer li,.footer a{
      color:var(--muted);
      font-size:14px;
      font-weight:650;
    }
    .footer a:hover{
      color:var(--primary-dark);
      padding-left:3px;
    }
    .copyright{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:20px;
      border-top:1px solid rgba(89,125,180,.16);
      color:var(--weak);
      font-size:13px;
      font-weight:650;
    }

    @media (max-width: 1100px){
      .brand{min-width:auto}
      .brand-text{max-width:250px}
      .content-layout{grid-template-columns:1fr}
      .sidebar{
        position:static;
        grid-template-columns:repeat(3,1fr);
      }
      .system-grid{grid-template-columns:repeat(2,1fr)}
    }

    @media (max-width: 920px){
      .nav-panel{
        flex-wrap:wrap;
        border-radius:24px;
      }
      .nav-toggle{display:grid;place-items:center;margin-left:auto}
      .nav-links{
        display:none;
        width:100%;
        order:5;
        grid-template-columns:1fr;
        justify-content:stretch;
      }
      .nav-links.show{
        display:grid;
      }
      .nav-item-card{
        justify-content:flex-start;
        padding:12px 14px;
      }
      .nav-cta{
        margin-left:0;
      }
      .hero-layout{
        grid-template-columns:1fr;
      }
      .filter-grid{
        grid-template-columns:repeat(2,1fr);
      }
      .sidebar{
        grid-template-columns:1fr;
      }
      .cta-band{
        grid-template-columns:1fr;
      }
    }

    @media (max-width: 700px){
      .site-container{width:min(calc(100% - 24px), var(--container))}
      .header-wrap{padding:10px 0}
      .brand-mark{
        width:42px;
        height:42px;
      }
      .brand-text{
        font-size:14px;
        max-width:210px;
      }
      .nav-cta{
        width:100%;
        justify-content:center;
        order:6;
      }
      .category-hero{padding:34px 0 22px}
      .overview-card,.cta-band{
        padding:22px;
        border-radius:22px;
      }
      .section{padding:52px 0}
      .section-tight{padding:34px 0}
      .filter-grid{
        grid-template-columns:1fr;
      }
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
      .resource-card{
        grid-template-columns:1fr;
        padding:20px;
      }
      .resource-action{
        align-items:flex-start;
        min-width:0;
      }
      .resource-action .btn-main,
      .resource-action .btn-secondary-soft,
      .hero-actions .btn-main,
      .hero-actions .btn-secondary-soft{
        width:100%;
      }
      .hero-actions{
        flex-direction:column;
      }
      .system-grid{
        grid-template-columns:1fr;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .copyright{
        align-items:flex-start;
        flex-direction:column;
      }
    }

    @media (max-width: 460px){
      h1{font-size:31px}
      .mock-item{
        grid-template-columns:38px 1fr;
      }
      .mock-item .mini-btn{
        grid-column:1 / -1;
        width:100%;
      }
      .panel-head{
        align-items:flex-start;
        flex-direction:column;
      }
      .tag-row{
        gap:8px;
      }
      .tag{
        padding:7px 10px;
      }
    }