/* roulang page: index */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --sky:#0EA5E9;
      --cyan:#38BDF8;
      --green:#22C55E;
      --amber:#F59E0B;
      --text:#102033;
      --text-2:#334155;
      --muted:#64748B;
      --muted-2:#94A3B8;
      --line:rgba(148,163,184,.24);
      --line-strong:rgba(37,99,235,.22);
      --bg:#F6F9FF;
      --bg-2:#EEF5FF;
      --white:#FFFFFF;
      --footer:#0F172A;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --shadow:0 18px 45px rgba(15,23,42,.08);
      --shadow-hover:0 24px 58px rgba(15,23,42,.12);
      --container:1200px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(56,189,248,.14), transparent 28%),
        radial-gradient(circle at 88% 2%, rgba(37,99,235,.10), transparent 34%),
        linear-gradient(180deg,#fff 0%,var(--bg) 48%,#fff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(37,99,235,.16)}
    .container{max-width:var(--container)}
    .section{padding:96px 0}
    .section-soft{background:linear-gradient(180deg,rgba(238,245,255,.76),rgba(255,255,255,.88));}
    .section-title{max-width:720px;margin-bottom:34px}
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--primary);font-weight:800;font-size:14px;
      background:rgba(37,99,235,.08);border:1px solid rgba(37,99,235,.12);
      border-radius:999px;padding:7px 13px;margin-bottom:16px;
    }
    .section h2{
      font-size:clamp(30px,3vw,38px);
      line-height:1.18;
      font-weight:800;
      letter-spacing:-.03em;
      margin:0 0 14px;
    }
    .section-title p,.lead-text{color:var(--muted);font-size:17px;margin:0}
    .site-header{
      position:sticky;top:0;z-index:1000;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(148,163,184,.18);
    }
    .navbar{min-height:68px;padding:10px 0}
    .brand-logo{
      display:flex;align-items:center;gap:12px;min-width:0;
      font-weight:850;color:var(--text);letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      background:linear-gradient(135deg,var(--primary),var(--sky));
      position:relative;box-shadow:0 12px 24px rgba(37,99,235,.22);
      flex:0 0 auto;
    }
    .brand-mark:before{
      content:"";position:absolute;left:12px;top:10px;width:18px;height:22px;
      border:2px solid rgba(255,255,255,.88);border-radius:5px;background:rgba(255,255,255,.13);
    }
    .brand-mark:after{
      content:"";position:absolute;left:18px;top:17px;border-left:8px solid #fff;
      border-top:5px solid transparent;border-bottom:5px solid transparent;
    }
    .brand-text{font-size:16px;line-height:1.25;max-width:260px;white-space:normal}
    .navbar-nav{gap:8px}
    .nav-link{
      color:var(--text-2);font-weight:700;font-size:15px;
      padding:9px 14px!important;border-radius:999px;
    }
    .nav-link:hover,.nav-link:focus{background:var(--bg-2);color:var(--primary)}
    .nav-link.active{background:rgba(37,99,235,.10);color:var(--primary)}
    .nav-tools{display:flex;align-items:center;gap:12px}
    .search-pill{
      height:42px;min-width:168px;border:1px solid var(--line);
      background:#fff;border-radius:999px;padding:0 14px;
      display:flex;align-items:center;gap:9px;color:var(--muted);
      font-size:14px;box-shadow:0 8px 22px rgba(15,23,42,.04);
    }
    .search-icon{
      width:16px;height:16px;border:2px solid var(--primary);border-radius:50%;position:relative;flex:0 0 auto;
    }
    .search-icon:after{content:"";position:absolute;width:7px;height:2px;background:var(--primary);right:-6px;bottom:-3px;transform:rotate(45deg);border-radius:2px}
    .navbar-toggler{
      border:1px solid var(--line);border-radius:14px;padding:9px 10px;
      box-shadow:none!important;background:#fff;
    }
    .navbar-toggler span{
      display:block;width:22px;height:2px;background:var(--text);border-radius:2px;margin:4px 0;
    }
    .btn-main,.btn-soft,.btn-line{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:999px;border:1px solid transparent;
      padding:12px 20px;font-weight:800;line-height:1.1;
      transition:var(--ease);cursor:pointer;white-space:nowrap;
    }
    .btn-main{
      background:var(--primary);color:#fff!important;
      box-shadow:0 14px 28px rgba(37,99,235,.22);
    }
    .btn-main:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 18px 36px rgba(37,99,235,.30)}
    .btn-soft{background:#fff;color:var(--primary)!important;border-color:rgba(37,99,235,.18)}
    .btn-soft:hover{background:var(--bg-2);transform:translateY(-2px)}
    .btn-line{
      color:var(--primary)!important;padding:0;border-radius:0;border-bottom:2px solid rgba(37,99,235,.18);
    }
    .btn-line:hover{border-color:var(--primary);transform:translateX(2px)}
    .btn-main:focus-visible,.btn-soft:focus-visible,.btn-line:focus-visible,.nav-link:focus-visible,.form-control:focus-visible{
      outline:3px solid rgba(37,99,235,.18);outline-offset:3px;
    }
    .hero{
      padding:78px 0 84px;position:relative;overflow:hidden;
    }
    .hero:before{
      content:"";position:absolute;inset:36px auto auto 55%;
      width:520px;height:520px;border-radius:50%;
      background:radial-gradient(circle,rgba(14,165,233,.18),transparent 66%);
      pointer-events:none;
    }
    .hero-grid{align-items:center;position:relative;z-index:1}
    .hero-kicker{
      display:inline-flex;align-items:center;gap:10px;
      padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
      box-shadow:0 10px 28px rgba(15,23,42,.05);
      color:var(--primary);font-weight:800;font-size:14px;margin-bottom:18px;
    }
    .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(34,197,94,.12)}
    h1{
      font-size:clamp(34px,4.6vw,56px);
      line-height:1.14;font-weight:850;letter-spacing:-.045em;
      margin:0 0 20px;color:var(--text);
    }
    .hero-subtitle{font-size:18px;color:var(--muted);max-width:640px;margin:0 0 28px}
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:30px}
    .trust-row{display:flex;flex-wrap:wrap;gap:10px}
    .trust-badge{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;
      border-radius:999px;background:rgba(238,245,255,.78);
      border:1px solid rgba(37,99,235,.12);
      color:var(--text-2);font-weight:700;font-size:14px;
    }
    .visual-wrap{
      position:relative;min-height:470px;border-radius:34px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.94),rgba(238,245,255,.78)),
        repeating-linear-gradient(90deg,rgba(37,99,235,.06) 0 1px,transparent 1px 42px);
      border:1px solid rgba(148,163,184,.18);
      box-shadow:var(--shadow);
      padding:28px;overflow:hidden;
    }
    .visual-wrap:after{
      content:"";position:absolute;right:-80px;top:-90px;width:260px;height:260px;border-radius:50%;
      background:rgba(37,99,235,.12);
    }
    .panel-card{
      position:relative;z-index:2;background:#fff;border:1px solid var(--line);
      border-radius:22px;box-shadow:0 18px 45px rgba(15,23,42,.08);
    }
    .search-panel{padding:18px;margin-bottom:18px}
    .fake-search{
      height:46px;border-radius:999px;background:var(--bg);
      border:1px solid rgba(148,163,184,.18);
      display:flex;align-items:center;justify-content:space-between;padding:0 14px 0 18px;
      color:var(--muted);font-weight:700;
    }
    .hd-chip{background:rgba(37,99,235,.10);color:var(--primary);border-radius:999px;padding:6px 10px;font-size:13px;font-weight:900}
    .index-panel{padding:22px;width:82%;margin-left:auto}
    .panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
    .panel-title{font-weight:850;color:var(--text)}
    .status{font-size:13px;font-weight:800;border-radius:999px;padding:6px 10px;background:rgba(34,197,94,.10);color:#15803D}
    .file-row{display:flex;gap:12px;align-items:center;padding:12px;border-radius:16px;border:1px solid rgba(148,163,184,.16);margin-bottom:10px;background:linear-gradient(180deg,#fff,var(--bg))}
    .file-icon{width:38px;height:38px;border-radius:12px;background:rgba(14,165,233,.12);position:relative;flex:0 0 auto}
    .file-icon:before{content:"";position:absolute;inset:10px;border:2px solid var(--sky);border-radius:5px}
    .file-meta{flex:1}
    .line{height:8px;background:#E2E8F0;border-radius:999px;margin:5px 0}
    .line.w1{width:78%}.line.w2{width:54%}.line.w3{width:66%}
    .mini-panel{position:absolute;z-index:3;left:22px;bottom:26px;width:225px;padding:18px}
    .progress-ring{width:70px;height:70px;border-radius:50%;background:conic-gradient(var(--primary) 76%, #E2E8F0 0);display:grid;place-items:center;margin-bottom:12px}
    .progress-ring span{width:50px;height:50px;border-radius:50%;background:#fff;display:grid;place-items:center;font-weight:900;color:var(--primary)}
    .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .chip{padding:6px 10px;border-radius:999px;background:rgba(14,165,233,.10);color:#0369A1;font-size:13px;font-weight:800}
    .card-clean{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      box-shadow:var(--shadow);padding:30px;transition:var(--ease);height:100%;
    }
    .card-clean:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(37,99,235,.22)}
    .metric-board{
      display:grid;grid-template-columns:1fr 1fr;gap:16px;
    }
    .metric-card{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 30px rgba(15,23,42,.05)}
    .metric-card strong{display:block;font-size:34px;line-height:1;color:var(--primary);font-weight:900;margin-bottom:10px}
    .metric-card span{color:var(--muted);font-size:15px}
    .flow-strip{
      margin-top:22px;padding:18px;border-radius:22px;background:linear-gradient(90deg,#fff,var(--bg-2));
      border:1px solid rgba(37,99,235,.12);
      display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
    }
    .flow-item{display:flex;align-items:center;gap:10px;color:var(--text-2);font-weight:800;font-size:14px}
    .flow-num{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:13px;flex:0 0 auto}
    .nav-pills.custom-tabs{gap:10px;margin-bottom:24px}
    .custom-tabs .nav-link{
      border:1px solid var(--line);background:#fff;color:var(--text-2);
      border-radius:999px;font-weight:800;padding:10px 16px!important;
    }
    .custom-tabs .nav-link.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 12px 26px rgba(37,99,235,.22)}
    .feature-panel{padding:30px;border-radius:28px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .icon-bubble{width:48px;height:48px;border-radius:16px;background:rgba(37,99,235,.10);display:grid;place-items:center;color:var(--primary);font-weight:900;font-size:22px;margin-bottom:14px}
    .check-list{list-style:none;padding:0;margin:18px 0 0}
    .check-list li{position:relative;padding-left:28px;margin-bottom:10px;color:var(--text-2)}
    .check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:900}
    .preview-box{border-radius:22px;background:linear-gradient(135deg,var(--bg),#fff);border:1px solid rgba(148,163,184,.18);padding:20px;min-height:250px}
    .preview-bar{height:12px;border-radius:999px;background:#E2E8F0;margin:12px 0}
    .preview-bar.blue{background:linear-gradient(90deg,var(--primary),var(--cyan));width:72%}
    .preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
    .preview-tile{height:74px;border-radius:16px;background:#fff;border:1px solid rgba(148,163,184,.16)}
    .scene-card{
      border-radius:26px;padding:28px;background:#fff;border:1px solid var(--line);
      box-shadow:0 12px 32px rgba(15,23,42,.05);transition:var(--ease);height:100%;
    }
    .scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .tag{
      display:inline-flex;border-radius:999px;padding:6px 10px;font-size:13px;font-weight:850;
      background:rgba(37,99,235,.09);color:var(--primary);margin-bottom:14px;
    }
    .tag.green{background:rgba(34,197,94,.10);color:#15803D}
    .tag.amber{background:rgba(245,158,11,.12);color:#B45309}
    .case-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .case-main{border-radius:28px;padding:32px;background:linear-gradient(135deg,#fff,var(--bg-2));border:1px solid rgba(37,99,235,.14);box-shadow:var(--shadow)}
    .case-side{display:grid;gap:18px}
    .case-mini{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--line)}
    .case-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
    .case-point{background:#fff;border:1px solid rgba(148,163,184,.18);border-radius:18px;padding:16px}
    .case-point b{display:block;margin-bottom:6px;color:var(--text)}
    .case-point p{margin:0;color:var(--muted);font-size:14px}
    .pricing-shell{
      display:grid;grid-template-columns:.82fr 1.18fr .82fr;gap:18px;align-items:stretch;
    }
    .plan-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:0 12px 32px rgba(15,23,42,.05);transition:var(--ease)}
    .plan-card.featured{border-color:rgba(37,99,235,.28);box-shadow:var(--shadow-hover);transform:translateY(-10px);position:relative;overflow:hidden}
    .plan-card.featured:before{content:"推荐";position:absolute;right:24px;top:22px;background:rgba(245,158,11,.14);color:#B45309;border-radius:999px;padding:6px 11px;font-weight:900;font-size:13px}
    .plan-title{font-size:22px;font-weight:850;margin-bottom:10px}
    .plan-price{font-size:28px;font-weight:900;color:var(--primary);margin:10px 0 18px}
    .plan-list{list-style:none;margin:0 0 22px;padding:0}
    .plan-list li{padding:10px 0;border-bottom:1px dashed rgba(148,163,184,.28);color:var(--text-2)}
    .accordion.faq-accordion{display:grid;gap:12px}
    .faq-accordion .accordion-item{border:1px solid var(--line);border-radius:18px!important;overflow:hidden;background:#fff;box-shadow:0 10px 26px rgba(15,23,42,.04)}
    .faq-accordion .accordion-button{font-weight:850;color:var(--text);background:#fff;box-shadow:none;padding:18px 22px}
    .faq-accordion .accordion-button:not(.collapsed){color:var(--primary);background:var(--bg-2)}
    .faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(37,99,235,.14)}
    .faq-accordion .accordion-body{color:var(--muted);padding:0 22px 20px}
    .cta-card{
      border-radius:32px;padding:42px;background:
        radial-gradient(circle at 80% 20%,rgba(56,189,248,.22),transparent 30%),
        linear-gradient(135deg,#EEF5FF,#fff);
      border:1px solid rgba(37,99,235,.16);box-shadow:var(--shadow);
      display:flex;align-items:center;justify-content:space-between;gap:24px;
    }
    .cta-card h2{margin:0 0 8px;font-size:clamp(28px,3vw,38px)}
    .cta-card p{margin:0;color:var(--muted);font-size:17px}
    .footer{
      background:var(--footer);color:#CBD5E1;padding:62px 0 28px;
    }
    .footer .brand-logo{color:#fff;margin-bottom:14px}
    .footer .brand-mark{box-shadow:none}
    .footer p{color:#94A3B8;margin:0}
    .footer h3{font-size:16px;color:#fff;font-weight:850;margin:0 0 16px}
    .footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
    .footer a{color:#CBD5E1}
    .footer a:hover{color:#fff;transform:translateX(2px)}
    .footer-bottom{border-top:1px solid rgba(203,213,225,.14);margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#94A3B8;font-size:14px}
    .form-control,.form-select{
      border-radius:14px;border:1px solid var(--line);padding:12px 14px;background:#fff;color:var(--text);
    }
    .form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.14)}
    @media (max-width: 991.98px){
      .navbar-collapse{padding:16px 0 10px}
      .nav-tools{margin-top:12px;align-items:stretch;flex-direction:column}
      .search-pill{width:100%;min-width:0}
      .hero{padding:58px 0 64px}
      .visual-wrap{min-height:390px;margin-top:26px}
      .index-panel{width:100%}
      .metric-board,.case-wrap,.pricing-shell{grid-template-columns:1fr}
      .plan-card.featured{transform:none}
      .flow-strip{grid-template-columns:1fr 1fr}
      .cta-card{align-items:flex-start;flex-direction:column}
    }
    @media (max-width: 767.98px){
      .section{padding:62px 0}
      .brand-text{max-width:210px;font-size:14px}
      .hero-actions .btn-main,.hero-actions .btn-soft{width:100%}
      .visual-wrap{padding:18px;min-height:360px;border-radius:26px}
      .mini-panel{position:relative;left:auto;bottom:auto;width:100%;margin-top:16px}
      .metric-board,.preview-grid,.case-cols{grid-template-columns:1fr}
      .flow-strip{grid-template-columns:1fr}
      .card-clean,.feature-panel,.scene-card,.case-main,.plan-card{padding:22px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width: 520px){
      .navbar{min-height:62px}
      h1{font-size:32px}
      .hero-subtitle,.section-title p,.lead-text{font-size:16px}
      .trust-row{gap:8px}
      .trust-badge{font-size:13px}
      .cta-card{padding:28px;border-radius:24px}
      .search-panel,.index-panel{padding:16px}
    }

/* roulang page: category2 */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --sky:#0EA5E9;
      --cyan:#38BDF8;
      --ink:#102033;
      --ink-soft:#334155;
      --muted:#64748B;
      --muted-light:#94A3B8;
      --line:rgba(148,163,184,.24);
      --line-strong:rgba(37,99,235,.22);
      --bg:#F6F9FF;
      --bg-2:#EEF5FF;
      --white:#FFFFFF;
      --green:#22C55E;
      --amber:#F59E0B;
      --footer:#0F172A;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --shadow:0 18px 45px rgba(15,23,42,.08);
      --shadow-hover:0 24px 60px rgba(15,23,42,.13);
      --container:1200px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(56,189,248,.16), transparent 30%),
        linear-gradient(180deg,#ffffff 0%,#f8fbff 38%,#ffffff 100%);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(37,99,235,.22);
      outline-offset:3px;
      border-radius:12px;
    }
    .container{max-width:var(--container)}
    .section{padding:92px 0}
    .section-soft{background:linear-gradient(180deg,rgba(238,245,255,.72),rgba(255,255,255,.9))}
    .section-title{
      max-width:760px;
      margin-bottom:34px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--line-strong);
      border-radius:999px;
      background:rgba(37,99,235,.08);
      color:var(--primary-dark);
      font-size:14px;
      font-weight:700;
      line-height:1.2;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--sky);
      box-shadow:0 0 0 5px rgba(14,165,233,.12);
    }
    h1,h2,h3,h4{color:var(--ink);letter-spacing:-.025em}
    h1{
      font-size:clamp(32px,5vw,54px);
      line-height:1.14;
      font-weight:800;
      margin:18px 0 18px;
    }
    h2{
      font-size:clamp(28px,3.2vw,38px);
      line-height:1.18;
      font-weight:800;
      margin:14px 0 12px;
    }
    h3{
      font-size:21px;
      line-height:1.35;
      font-weight:800;
      margin:0 0 10px;
    }
    p{color:var(--muted);margin:0}
    .lead-text{font-size:17px;line-height:1.85;color:var(--ink-soft)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(203,213,225,.55);
    }
    .navbar{
      min-height:68px;
      padding:10px 0;
    }
    .brand-logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-width:0;
      color:var(--ink);
      font-weight:800;
    }
    .brand-mark{
      position:relative;
      width:38px;
      height:38px;
      flex:0 0 auto;
      border-radius:13px;
      background:linear-gradient(135deg,var(--primary),var(--sky));
      box-shadow:0 12px 28px rgba(37,99,235,.24);
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      left:10px;
      top:9px;
      width:15px;
      height:20px;
      border-radius:4px;
      border:2px solid rgba(255,255,255,.88);
      background:rgba(255,255,255,.12);
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      right:8px;
      bottom:9px;
      border-left:8px solid #fff;
      border-top:5px solid transparent;
      border-bottom:5px solid transparent;
      opacity:.95;
    }
    .brand-text{
      display:block;
      max-width:330px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      font-size:17px;
      letter-spacing:-.02em;
    }
    .navbar-nav{
      gap:6px;
      align-items:center;
    }
    .navbar .nav-link{
      color:var(--ink-soft);
      font-size:15px;
      font-weight:700;
      padding:8px 14px !important;
      border-radius:999px;
    }
    .navbar .nav-link:hover{
      color:var(--primary-dark);
      background:rgba(37,99,235,.08);
    }
    .navbar .nav-link.active{
      color:var(--primary-dark);
      background:rgba(37,99,235,.12);
    }
    .nav-tools{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .search-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 13px;
      min-width:142px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#fff;
      color:var(--muted);
      font-size:14px;
      box-shadow:0 8px 20px rgba(15,23,42,.04);
    }
    .search-icon{
      width:14px;height:14px;border:2px solid var(--muted-light);border-radius:50%;position:relative;flex:0 0 auto;
    }
    .search-icon::after{
      content:"";
      position:absolute;
      width:7px;height:2px;
      background:var(--muted-light);
      right:-6px;bottom:-4px;
      transform:rotate(45deg);
      border-radius:99px;
    }
    .btn-main,.btn-ghost,.btn-text{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      font-weight:800;
      line-height:1.2;
      transition:var(--ease);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-main{
      padding:12px 20px;
      background:var(--primary);
      color:#fff;
      box-shadow:0 14px 28px rgba(37,99,235,.22);
    }
    .btn-main:hover{
      color:#fff;
      background:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(37,99,235,.3);
    }
    .btn-ghost{
      padding:12px 20px;
      background:#fff;
      color:var(--primary-dark);
      border-color:rgba(37,99,235,.22);
    }
    .btn-ghost:hover{
      background:var(--bg-2);
      color:var(--primary-dark);
      transform:translateY(-2px);
    }
    .btn-text{
      padding:0;
      color:var(--primary-dark);
      border-radius:8px;
    }
    .btn-text::after{
      content:"→";
      transition:var(--ease);
    }
    .btn-text:hover::after{transform:translateX(4px)}
    .navbar-toggler{
      width:42px;
      height:38px;
      padding:0;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      box-shadow:none;
    }
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(37,99,235,.13)}
    .navbar-toggler span{
      display:block;
      width:18px;
      height:2px;
      margin:4px auto;
      border-radius:999px;
      background:var(--primary-dark);
    }
    .inner-hero{
      position:relative;
      padding:76px 0 58px;
      overflow:hidden;
      background:
        linear-gradient(135deg,rgba(238,245,255,.94),rgba(255,255,255,.96) 56%,rgba(240,249,255,.9)),
        radial-gradient(circle at 82% 16%, rgba(14,165,233,.17), transparent 34%);
      border-bottom:1px solid rgba(203,213,225,.42);
    }
    .inner-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(37,99,235,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,.055) 1px, transparent 1px);
      background-size:32px 32px;
      mask-image:linear-gradient(90deg,rgba(0,0,0,.8),transparent 76%);
      pointer-events:none;
    }
    .breadcrumb-wrap{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      position:relative;
      z-index:1;
      margin-bottom:10px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
    }
    .breadcrumb-wrap a{color:var(--muted)}
    .breadcrumb-wrap a:hover{color:var(--primary-dark)}
    .breadcrumb-wrap .current{color:var(--ink)}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .floating-panel{
      position:relative;
      z-index:1;
      padding:26px;
      border-radius:30px;
      background:rgba(255,255,255,.9);
      border:1px solid rgba(148,163,184,.25);
      box-shadow:var(--shadow);
    }
    .panel-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding-bottom:18px;
      border-bottom:1px solid rgba(203,213,225,.68);
    }
    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      color:#166534;
      background:rgba(34,197,94,.12);
    }
    .status-badge::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--green);
    }
    .score-ring{
      width:90px;
      height:90px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:conic-gradient(var(--primary) 0 78%, rgba(203,213,225,.5) 78% 100%);
      box-shadow:inset 0 0 0 10px #fff;
    }
    .score-ring span{
      width:66px;height:66px;border-radius:50%;
      display:grid;place-items:center;
      background:#fff;
      color:var(--primary-dark);
      font-weight:900;
      font-size:20px;
    }
    .stat-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:18px;
    }
    .stat-card{
      padding:16px;
      border-radius:18px;
      background:linear-gradient(180deg,#fff,var(--bg));
      border:1px solid var(--line);
    }
    .stat-card strong{
      display:block;
      color:var(--ink);
      font-size:24px;
      line-height:1.1;
      margin-bottom:5px;
    }
    .stat-card span{color:var(--muted);font-size:13px;font-weight:700}
    .mini-lines{
      margin-top:18px;
      display:grid;
      gap:10px;
    }
    .mini-line{
      height:10px;
      border-radius:999px;
      background:rgba(203,213,225,.55);
      overflow:hidden;
    }
    .mini-line i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--primary),var(--cyan));
    }
    .tag-list{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(37,99,235,.08);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(37,99,235,.12);
    }
    .tag.cyan{background:rgba(14,165,233,.1);color:#0369A1;border-color:rgba(14,165,233,.16)}
    .tag.green{background:rgba(34,197,94,.1);color:#15803D;border-color:rgba(34,197,94,.15)}
    .tag.amber{background:rgba(245,158,11,.12);color:#92400E;border-color:rgba(245,158,11,.18)}
    .scenario-card{
      height:100%;
      position:relative;
      padding:30px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 12px 32px rgba(15,23,42,.055);
      overflow:hidden;
      transition:var(--ease);
    }
    .scenario-card::after{
      content:"";
      position:absolute;
      right:-44px;
      top:-44px;
      width:140px;
      height:140px;
      border-radius:50%;
      background:rgba(37,99,235,.07);
    }
    .scenario-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(37,99,235,.24);
    }
    .scenario-label{
      display:inline-flex;
      align-items:center;
      margin-bottom:16px;
      padding:7px 11px;
      border-radius:999px;
      background:var(--bg-2);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:900;
    }
    .scenario-card ul{
      position:relative;
      z-index:1;
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .scenario-card li{
      color:var(--ink-soft);
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .scenario-card li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:10px;
      border-radius:50%;
      background:var(--sky);
      flex:0 0 auto;
    }
    .case-wrap{
      position:relative;
      padding:10px 0;
    }
    .case-wrap::before{
      content:"";
      position:absolute;
      left:30px;
      top:20px;
      bottom:20px;
      width:2px;
      background:linear-gradient(180deg,rgba(37,99,235,.18),rgba(14,165,233,.42),rgba(37,99,235,.12));
    }
    .case-step{
      position:relative;
      display:grid;
      grid-template-columns:72px 1fr;
      gap:20px;
      margin-bottom:22px;
    }
    .case-step:last-child{margin-bottom:0}
    .case-number{
      width:62px;
      height:62px;
      border-radius:20px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--sky));
      box-shadow:0 14px 30px rgba(37,99,235,.22);
      z-index:1;
    }
    .case-box{
      padding:24px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 12px 32px rgba(15,23,42,.055);
      transition:var(--ease);
    }
    .case-box:hover{
      transform:translateX(3px);
      border-color:rgba(37,99,235,.24);
      box-shadow:var(--shadow);
    }
    .case-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:14px 0 0;
    }
    .quote-card{
      height:100%;
      padding:30px;
      border-radius:30px;
      background:linear-gradient(145deg,#102033,#1E3A8A);
      color:#fff;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .quote-card::before{
      content:"“";
      position:absolute;
      right:24px;
      top:-22px;
      font-size:140px;
      line-height:1;
      color:rgba(255,255,255,.12);
      font-family:Georgia,serif;
    }
    .quote-card h3,.quote-card p{color:#fff}
    .quote-card p{opacity:.78}
    .quote-metrics{
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .quote-metric{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.15);
    }
    .quote-metric strong{
      display:block;
      font-size:25px;
      line-height:1.1;
      margin-bottom:4px;
    }
    .compare-shell{
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .table-responsive{border-radius:28px}
    .compare-table{
      width:100%;
      margin:0;
      border-collapse:separate;
      border-spacing:0;
      min-width:720px;
    }
    .compare-table th{
      padding:20px 22px;
      background:linear-gradient(180deg,var(--bg-2),#fff);
      color:var(--ink);
      font-size:15px;
      border-bottom:1px solid rgba(203,213,225,.8);
    }
    .compare-table td{
      padding:20px 22px;
      color:var(--ink-soft);
      border-bottom:1px solid rgba(203,213,225,.58);
      vertical-align:top;
    }
    .compare-table tr:last-child td{border-bottom:0}
    .compare-table td:first-child{
      font-weight:900;
      color:var(--ink);
      width:22%;
    }
    .check-list{
      display:grid;
      gap:14px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:var(--ink-soft);
    }
    .check-list li::before{
      content:"✓";
      display:grid;
      place-items:center;
      width:22px;
      height:22px;
      flex:0 0 auto;
      border-radius:50%;
      background:rgba(34,197,94,.12);
      color:#15803D;
      font-size:13px;
      font-weight:900;
      margin-top:2px;
    }
    .insight-card{
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 12px 32px rgba(15,23,42,.055);
      height:100%;
      transition:var(--ease);
    }
    .insight-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(37,99,235,.24);
    }
    .icon-box{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      border-radius:16px;
      margin-bottom:18px;
      color:var(--primary-dark);
      background:rgba(37,99,235,.1);
      font-weight:900;
    }
    .accordion.custom-accordion{
      display:grid;
      gap:12px;
    }
    .custom-accordion .accordion-item{
      border:1px solid var(--line);
      border-radius:18px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 26px rgba(15,23,42,.045);
    }
    .custom-accordion .accordion-button{
      padding:20px 22px;
      color:var(--ink);
      background:#fff;
      font-weight:900;
      border:0;
      box-shadow:none;
    }
    .custom-accordion .accordion-button:hover{background:var(--bg)}
    .custom-accordion .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:linear-gradient(180deg,var(--bg-2),#fff);
    }
    .custom-accordion .accordion-button::after{
      width:28px;
      height:28px;
      border-radius:50%;
      background-color:rgba(37,99,235,.1);
      background-position:center;
      background-size:14px;
    }
    .custom-accordion .accordion-body{
      padding:0 22px 22px;
      color:var(--muted);
    }
    .cta-light{
      padding:34px;
      border-radius:30px;
      border:1px solid rgba(37,99,235,.22);
      background:
        radial-gradient(circle at 88% 24%, rgba(14,165,233,.12), transparent 32%),
        #fff;
      box-shadow:var(--shadow);
    }
    .cta-light .cta-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .form-card{
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .form-control,.form-select{
      border-radius:14px;
      border:1px solid rgba(148,163,184,.38);
      padding:12px 14px;
      color:var(--ink);
      background:#fff;
    }
    .form-control:focus,.form-select:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.14);
    }
    .footer{
      padding:70px 0 28px;
      background:var(--footer);
      color:rgba(255,255,255,.82);
    }
    .footer .brand-logo{color:#fff;margin-bottom:18px}
    .footer p{color:rgba(226,232,240,.72);max-width:380px}
    .footer h3{
      color:#fff;
      font-size:16px;
      margin-bottom:16px;
    }
    .footer ul{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .footer a,.footer span{
      color:rgba(226,232,240,.72);
      font-size:14px;
    }
    .footer a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:24px;
      margin-top:42px;
      border-top:1px solid rgba(148,163,184,.22);
      color:rgba(226,232,240,.62);
      font-size:14px;
    }
    @media (max-width: 991.98px){
      .navbar-collapse{
        margin-top:12px;
        padding:16px;
        border:1px solid var(--line);
        border-radius:20px;
        background:#fff;
        box-shadow:var(--shadow);
      }
      .navbar-nav{align-items:stretch;gap:4px}
      .nav-tools{
        margin-top:12px;
        flex-wrap:wrap;
      }
      .search-pill{flex:1;min-width:200px}
      .inner-hero{padding:58px 0 46px}
      .floating-panel{margin-top:30px}
      .section{padding:66px 0}
      .cta-light .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media (max-width: 767.98px){
      body{font-size:15px}
      .brand-text{max-width:230px;font-size:15px}
      .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
      .stat-grid{grid-template-columns:1fr}
      .case-wrap::before{left:24px}
      .case-step{grid-template-columns:54px 1fr;gap:14px}
      .case-number{width:50px;height:50px;border-radius:16px}
      .scenario-card,.case-box,.insight-card,.form-card,.cta-light{padding:22px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width: 520px){
      .navbar{min-height:62px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .brand-text{max-width:178px}
      .inner-hero{padding:48px 0 38px}
      h1{font-size:32px}
      h2{font-size:27px}
      .floating-panel{padding:20px;border-radius:24px}
      .panel-top{align-items:flex-start;flex-direction:column}
      .score-ring{width:82px;height:82px}
      .score-ring span{width:60px;height:60px}
      .section{padding:56px 0}
      .tag-list{gap:8px}
      .search-pill{width:100%;min-width:0}
      .nav-tools .btn-main{width:100%}
    }

/* roulang page: category1 */
:root {
      --primary: #2563EB;
      --primary-dark: #1D4ED8;
      --primary-soft: #EEF5FF;
      --cyan: #0EA5E9;
      --cyan-soft: #E0F7FF;
      --green: #22C55E;
      --green-soft: #E9FBEF;
      --amber: #F59E0B;
      --amber-soft: #FFF7E6;
      --text: #102033;
      --text-2: #334155;
      --muted: #64748B;
      --muted-2: #94A3B8;
      --border: rgba(148, 163, 184, .24);
      --border-strong: rgba(37, 99, 235, .22);
      --bg: #F6F9FF;
      --bg-2: #EEF5FF;
      --white: #FFFFFF;
      --footer: #0F172A;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --shadow: 0 18px 45px rgba(15, 23, 42, .08);
      --shadow-hover: 0 22px 58px rgba(15, 23, 42, .12);
      --transition: all .22s ease;
      --container: 1200px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "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% 0%, rgba(14, 165, 233, .10), transparent 28%),
        linear-gradient(180deg, #FFFFFF 0%, #F6F9FF 38%, #FFFFFF 100%);
      font-size: 16px;
      line-height: 1.75;
      overflow-x: hidden;
      text-rendering: optimizeLegibility;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    a:hover {
      color: var(--primary);
    }

    img, svg {
      max-width: 100%;
      height: auto;
    }

    button, input, textarea, select {
      font: inherit;
    }

    ::selection {
      background: rgba(37, 99, 235, .18);
      color: var(--text);
    }

    .container {
      max-width: var(--container);
    }

    .section {
      padding: 88px 0;
      position: relative;
    }

    .section-tight {
      padding: 64px 0;
    }

    .section-heading {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: var(--primary-soft);
      color: var(--primary-dark);
      border: 1px solid rgba(37, 99, 235, .14);
      font-size: 14px;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 14px;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 0 5px rgba(14, 165, 233, .12);
    }

    h1, h2, h3, h4 {
      color: var(--text);
      letter-spacing: -.03em;
      margin: 0;
    }

    h1 {
      font-size: clamp(34px, 4vw, 52px);
      line-height: 1.14;
      font-weight: 800;
    }

    h2 {
      font-size: clamp(28px, 3vw, 38px);
      line-height: 1.2;
      font-weight: 800;
    }

    h3 {
      font-size: 21px;
      line-height: 1.35;
      font-weight: 760;
    }

    p {
      margin: 0;
      color: var(--muted);
    }

    .lead {
      font-size: 17px;
      line-height: 1.85;
      color: var(--text-2);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, .84);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(148, 163, 184, .18);
    }

    .navbar {
      min-height: 68px;
      padding: 10px 0;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      color: var(--text);
      font-weight: 800;
    }

    .brand-logo:hover {
      color: var(--text);
    }

    .brand-mark {
      position: relative;
      display: inline-flex;
      width: 38px;
      height: 38px;
      flex: 0 0 38px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary), var(--cyan));
      box-shadow: 0 12px 24px rgba(37, 99, 235, .22);
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      left: 11px;
      top: 9px;
      width: 14px;
      height: 19px;
      border: 2px solid rgba(255, 255, 255, .88);
      border-radius: 4px;
      background: rgba(255, 255, 255, .16);
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      right: 8px;
      bottom: 9px;
      width: 0;
      height: 0;
      border-left: 9px solid #fff;
      border-top: 6px solid transparent;
      border-bottom: 6px solid transparent;
      filter: drop-shadow(0 2px 2px rgba(15, 23, 42, .12));
    }

    .brand-text {
      display: inline-block;
      max-width: 265px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 16px;
      letter-spacing: -.02em;
    }

    .navbar-nav {
      align-items: center;
      gap: 8px;
    }

    .navbar .nav-link {
      position: relative;
      padding: 9px 14px !important;
      border-radius: 999px;
      color: var(--text-2);
      font-size: 15px;
      font-weight: 700;
    }

    .navbar .nav-link:hover {
      color: var(--primary);
      background: rgba(37, 99, 235, .07);
    }

    .navbar .nav-link.active {
      color: var(--primary-dark);
      background: var(--primary-soft);
      box-shadow: inset 0 0 0 1px rgba(37, 99, 235, .10);
    }

    .nav-tools {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .search-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 40px;
      padding: 0 14px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: rgba(255, 255, 255, .72);
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      white-space: nowrap;
    }

    .search-icon {
      width: 15px;
      height: 15px;
      border: 2px solid var(--muted-2);
      border-radius: 50%;
      position: relative;
      flex: 0 0 15px;
    }

    .search-icon::after {
      content: "";
      position: absolute;
      width: 7px;
      height: 2px;
      right: -6px;
      bottom: -3px;
      background: var(--muted-2);
      border-radius: 999px;
      transform: rotate(45deg);
    }

    .navbar-toggler {
      width: 44px;
      height: 40px;
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 8px;
      box-shadow: none !important;
      background: #fff;
    }

    .navbar-toggler span {
      display: block;
      width: 20px;
      height: 2px;
      margin: 4px auto;
      border-radius: 999px;
      background: var(--text);
      transition: var(--transition);
    }

    .btn-main,
    .btn-secondary-soft,
    .btn-text {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      font-weight: 760;
      border: 1px solid transparent;
      transition: var(--transition);
      line-height: 1.2;
      white-space: nowrap;
    }

    .btn-main {
      min-height: 42px;
      padding: 11px 18px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 12px 26px rgba(37, 99, 235, .22);
    }

    .btn-main:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(37, 99, 235, .30);
    }

    .btn-secondary-soft {
      min-height: 42px;
      padding: 11px 18px;
      color: var(--primary-dark);
      background: #fff;
      border-color: rgba(37, 99, 235, .20);
    }

    .btn-secondary-soft:hover {
      background: var(--primary-soft);
      border-color: rgba(37, 99, 235, .32);
      color: var(--primary-dark);
      transform: translateY(-2px);
    }

    .btn-text {
      padding: 0;
      color: var(--primary-dark);
      background: transparent;
    }

    .btn-text::after {
      content: "→";
      transition: transform .22s ease;
    }

    .btn-text:hover::after {
      transform: translateX(4px);
    }

    .btn-main:focus-visible,
    .btn-secondary-soft:focus-visible,
    .btn-text:focus-visible,
    .nav-link:focus-visible,
    .navbar-brand:focus-visible,
    .filter-pill:focus-visible,
    .form-control:focus-visible {
      outline: 3px solid rgba(37, 99, 235, .20);
      outline-offset: 3px;
    }

    .inner-hero {
      padding: 72px 0 56px;
      background:
        linear-gradient(135deg, rgba(238, 245, 255, .86), rgba(255, 255, 255, .95)),
        radial-gradient(circle at 84% 20%, rgba(14, 165, 233, .18), transparent 34%);
      border-bottom: 1px solid rgba(148, 163, 184, .16);
      overflow: hidden;
    }

    .breadcrumb-line {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 18px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
    }

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

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

    .breadcrumb-line .current {
      color: var(--text);
    }

    .breadcrumb-line .sep {
      color: var(--muted-2);
    }

    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 28px;
    }

    .hero-note-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 26px;
    }

    .mini-note {
      padding: 14px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .74);
      border: 1px solid rgba(148, 163, 184, .22);
    }

    .mini-note strong {
      display: block;
      color: var(--text);
      font-size: 15px;
      line-height: 1.35;
      margin-bottom: 3px;
    }

    .mini-note span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.45;
    }

    .index-panel {
      position: relative;
      border-radius: 28px;
      padding: 24px;
      background: #fff;
      border: 1px solid rgba(148, 163, 184, .20);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .index-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(37, 99, 235, .08) 1px, transparent 1px),
        linear-gradient(180deg, rgba(37, 99, 235, .06) 1px, transparent 1px);
      background-size: 28px 28px;
      opacity: .55;
      pointer-events: none;
    }

    .panel-top,
    .panel-card,
    .panel-list {
      position: relative;
      z-index: 1;
    }

    .panel-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 18px;
    }

    .panel-title {
      font-size: 15px;
      font-weight: 800;
      color: var(--text);
    }

    .status-dot {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 6px 10px;
      border-radius: 999px;
      background: var(--green-soft);
      color: #15803D;
      font-size: 13px;
      font-weight: 760;
    }

    .status-dot::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--green);
    }

    .panel-card {
      padding: 18px;
      border-radius: 20px;
      background: linear-gradient(135deg, #F8FBFF, #FFFFFF);
      border: 1px solid rgba(37, 99, 235, .13);
      margin-bottom: 16px;
    }

    .fake-search {
      height: 42px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid rgba(148, 163, 184, .22);
      display: flex;
      align-items: center;
      padding: 0 14px;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 14px;
    }

    .fake-bar {
      height: 8px;
      border-radius: 999px;
      background: var(--primary-soft);
      overflow: hidden;
    }

    .fake-bar span {
      display: block;
      height: 100%;
      width: 72%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--cyan));
    }

    .panel-list {
      display: grid;
      gap: 10px;
    }

    .panel-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 13px 14px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .78);
      border: 1px solid rgba(148, 163, 184, .20);
    }

    .panel-row span:first-child {
      color: var(--text-2);
      font-weight: 720;
      font-size: 14px;
    }

    .panel-row span:last-child {
      color: var(--primary-dark);
      background: var(--primary-soft);
      border-radius: 999px;
      padding: 4px 9px;
      font-size: 12px;
      font-weight: 780;
    }

    .filter-strip {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding: 10px 0 16px;
      scrollbar-width: thin;
      scrollbar-color: rgba(37, 99, 235, .28) transparent;
    }

    .filter-pill {
      display: inline-flex;
      align-items: center;
      white-space: nowrap;
      border: 1px solid rgba(37, 99, 235, .16);
      background: #fff;
      color: var(--text-2);
      border-radius: 999px;
      padding: 9px 14px;
      font-size: 14px;
      font-weight: 760;
      box-shadow: 0 8px 20px rgba(15, 23, 42, .04);
    }

    .filter-pill.active,
    .filter-pill:hover {
      color: var(--primary-dark);
      background: var(--primary-soft);
      border-color: rgba(37, 99, 235, .28);
    }

    .catalog-layout {
      align-items: flex-start;
    }

    .catalog-sidebar {
      position: sticky;
      top: 92px;
      padding: 22px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .catalog-sidebar h2 {
      font-size: 22px;
      margin-bottom: 8px;
    }

    .catalog-sidebar p {
      font-size: 14px;
      margin-bottom: 18px;
    }

    .catalog-menu {
      display: grid;
      gap: 9px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .catalog-menu a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 12px 13px;
      border-radius: 14px;
      color: var(--text-2);
      background: #F8FBFF;
      border: 1px solid rgba(148, 163, 184, .16);
      font-weight: 720;
      font-size: 14px;
    }

    .catalog-menu a:hover,
    .catalog-menu a.active {
      color: var(--primary-dark);
      background: var(--primary-soft);
      border-color: rgba(37, 99, 235, .22);
    }

    .catalog-menu a span {
      color: var(--muted-2);
      font-weight: 800;
    }

    .content-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
    }

    .content-card {
      position: relative;
      min-height: 210px;
      padding: 26px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: 0 14px 32px rgba(15, 23, 42, .06);
      transition: var(--transition);
      overflow: hidden;
    }

    .content-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(37, 99, 235, .26);
    }

    .content-card.wide {
      grid-column: span 2;
      min-height: 250px;
      background:
        linear-gradient(135deg, rgba(238, 245, 255, .82), rgba(255,255,255,.98)),
        #fff;
    }

    .content-card::after {
      content: "";
      position: absolute;
      width: 170px;
      height: 170px;
      right: -70px;
      bottom: -78px;
      border-radius: 50%;
      background: rgba(14, 165, 233, .10);
      pointer-events: none;
    }

    .card-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 18px;
    }

    .icon-box {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-weight: 900;
      box-shadow: inset 0 0 0 1px rgba(37, 99, 235, .10);
      flex: 0 0 46px;
    }

    .badge-soft,
    .tag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 760;
      line-height: 1.2;
      white-space: nowrap;
    }

    .badge-soft {
      padding: 7px 10px;
      color: #0369A1;
      background: var(--cyan-soft);
    }

    .badge-green {
      color: #15803D;
      background: var(--green-soft);
    }

    .badge-amber {
      color: #A16207;
      background: var(--amber-soft);
    }

    .content-card h3 {
      margin-bottom: 10px;
    }

    .content-card p {
      max-width: 650px;
      font-size: 15px;
      line-height: 1.7;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 18px 0 20px;
    }

    .tag {
      padding: 6px 10px;
      background: #F8FBFF;
      color: var(--muted);
      border: 1px solid rgba(148, 163, 184, .20);
    }

    .detail-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 20px;
    }

    .detail-item {
      padding: 14px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .72);
      border: 1px solid rgba(148, 163, 184, .18);
    }

    .detail-item strong {
      display: block;
      color: var(--text);
      font-size: 15px;
      margin-bottom: 4px;
    }

    .detail-item span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .steps-wrap {
      position: relative;
      padding: 32px;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      position: relative;
    }

    .steps::before {
      content: "";
      position: absolute;
      left: 8%;
      right: 8%;
      top: 27px;
      height: 2px;
      background: linear-gradient(90deg, rgba(37,99,235,.16), rgba(14,165,233,.38), rgba(37,99,235,.16));
      z-index: 0;
    }

    .step-card {
      position: relative;
      z-index: 1;
      padding: 0 8px;
      text-align: center;
    }

    .step-num {
      width: 56px;
      height: 56px;
      margin: 0 auto 16px;
      border-radius: 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary), var(--cyan));
      color: #fff;
      font-weight: 900;
      box-shadow: 0 15px 28px rgba(37, 99, 235, .22);
    }

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

    .step-card p {
      font-size: 14px;
      line-height: 1.65;
    }

    .quality-section {
      background:
        linear-gradient(180deg, rgba(238,245,255,.78), rgba(255,255,255,.92));
      border-top: 1px solid rgba(148, 163, 184, .14);
      border-bottom: 1px solid rgba(148, 184, .14);
    }

    .quality-card {
      height: 100%;
      padding: 26px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .86);
      border: 1px solid rgba(148, 163, 184, .20);
      box-shadow: 0 14px 34px rgba(15, 23, 42, .06);
      transition: var(--transition);
    }

    .quality-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(37, 99, 235, .24);
    }

    .quality-meter {
      height: 9px;
      border-radius: 999px;
      background: #E2E8F0;
      overflow: hidden;
      margin: 18px 0 14px;
    }

    .quality-meter span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--cyan));
    }

    .accordion {
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      border: 1px solid var(--border) !important;
      border-radius: 18px !important;
      overflow: hidden;
      background: #fff;
      box-shadow: 0 10px 25px rgba(15, 23, 42, .04);
    }

    .accordion-button {
      padding: 18px 20px;
      color: var(--text);
      background: #fff;
      font-weight: 780;
      box-shadow: none !important;
    }

    .accordion-button:hover {
      background: #F8FBFF;
      color: var(--primary-dark);
    }

    .accordion-button:not(.collapsed) {
      color: var(--primary-dark);
      background: var(--primary-soft);
    }

    .accordion-button::after {
      width: 16px;
      height: 16px;
      background-size: 16px;
      filter: hue-rotate(175deg) saturate(1.4);
    }

    .accordion-body {
      padding: 0 20px 20px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .cta-card {
      position: relative;
      overflow: hidden;
      padding: 42px;
      border-radius: 30px;
      background: linear-gradient(135deg, #EEF5FF, #FFFFFF 58%, #E0F7FF);
      border: 1px solid rgba(37, 99, 235, .16);
      box-shadow: var(--shadow);
    }

    .cta-card::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -100px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(37, 99, 235, .10);
    }

    .cta-card .row {
      position: relative;
      z-index: 1;
    }

    .form-control,
    .form-select {
      min-height: 48px;
      border-radius: 14px;
      border: 1px solid rgba(148, 163, 184, .28);
      background: #fff;
      color: var(--text);
      box-shadow: none !important;
    }

    .form-control:focus,
    .form-select:focus {
      border-color: rgba(37, 99, 235, .58);
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .12) !important;
    }

    .footer {
      padding: 68px 0 28px;
      background: var(--footer);
      color: rgba(255, 255, 255, .82);
    }

    .footer .brand-logo {
      color: #fff;
      margin-bottom: 16px;
    }

    .footer p {
      color: rgba(226, 232, 240, .72);
      max-width: 380px;
      font-size: 15px;
      line-height: 1.8;
    }

    .footer h3 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 16px;
      letter-spacing: 0;
    }

    .footer ul {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .footer a,
    .footer span {
      color: rgba(226, 232, 240, .70);
      font-size: 14px;
    }

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

    .footer-bottom {
      margin-top: 42px;
      padding-top: 22px;
      border-top: 1px solid rgba(226, 232, 240, .12);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: rgba(226, 232, 240, .62);
      font-size: 14px;
    }

    @media (max-width: 991.98px) {
      .navbar-collapse {
        margin-top: 12px;
        padding: 16px;
        border-radius: 22px;
        background: #fff;
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
      }

      .navbar-nav {
        align-items: stretch;
        gap: 6px;
      }

      .navbar .nav-link {
        display: flex;
        justify-content: space-between;
      }

      .nav-tools {
        align-items: stretch;
        flex-direction: column;
        margin-top: 14px;
      }

      .search-pill,
      .nav-tools .btn-main {
        width: 100%;
        justify-content: center;
      }

      .inner-hero {
        padding: 56px 0 44px;
      }

      .index-panel {
        margin-top: 30px;
      }

      .hero-note-grid,
      .content-grid,
      .detail-list {
        grid-template-columns: 1fr;
      }

      .content-card.wide {
        grid-column: span 1;
      }

      .catalog-sidebar {
        position: static;
        margin-bottom: 24px;
      }

      .catalog-menu {
        display: flex;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .catalog-menu li {
        flex: 0 0 auto;
      }

      .catalog-menu a {
        white-space: nowrap;
      }

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

      .steps::before {
        display: none;
      }
    }

    @media (max-width: 767.98px) {
      .section {
        padding: 58px 0;
      }

      .section-tight {
        padding: 46px 0;
      }

      .brand-text {
        max-width: 210px;
        font-size: 15px;
      }

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

      .hero-actions a {
        width: 100%;
      }

      .index-panel,
      .steps-wrap,
      .cta-card {
        border-radius: 22px;
        padding: 22px;
      }

      .content-card {
        min-height: auto;
        padding: 22px;
      }

      .steps {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .step-card {
        display: grid;
        grid-template-columns: 56px 1fr;
        gap: 14px;
        text-align: left;
        align-items: start;
        padding: 0;
      }

      .step-num {
        margin: 0;
      }

      .footer {
        padding-top: 54px;
      }

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

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .navbar {
        min-height: 62px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
        border-radius: 12px;
      }

      .brand-text {
        max-width: 180px;
      }

      .mini-note {
        padding: 12px;
      }

      .filter-strip {
        margin-left: -12px;
        margin-right: -12px;
        padding-left: 12px;
        padding-right: 12px;
      }

      .panel-row {
        align-items: flex-start;
        flex-direction: column;
      }
    }