/* roulang page: index */
:root{
      --blue:#1769d2;
      --blue-deep:#0d4da3;
      --blue-soft:#eaf3ff;
      --cyan:#4da9c8;
      --ink:#17283f;
      --muted:#64748b;
      --paper:#ffffff;
      --mist:#f5f8fc;
      --line:#dce6f1;
      --warn:#c24141;
      --radius:18px;
      --radius-sm:11px;
      --shadow:0 14px 34px rgba(27,74,126,.09);
      --shadow-hover:0 20px 42px rgba(27,74,126,.15);
      --container:1200px;
      --section:92px;
      --ease:220ms ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(255,255,255,.96);
      border-bottom:1px solid var(--line);
      box-shadow:0 4px 18px rgba(25,69,115,.04);
    }
    .nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:270px}
    .brand-mark{
      width:38px;height:38px;border-radius:12px;background:var(--blue);
      color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;
      box-shadow:0 7px 15px rgba(23,105,210,.23)
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.25}
    .brand-text strong{font-size:17px;letter-spacing:.02em}
    .brand-text small{font-size:11px;color:var(--muted);margin-top:3px}
    .nav-tabs{display:flex;align-items:center;gap:5px;flex:1}
    .nav-tabs a{
      padding:8px 14px;border:1px solid transparent;border-radius:10px;
      color:#53657b;font-size:14px;transition:var(--ease)
    }
    .nav-tabs a:hover,.nav-tabs a:focus-visible{color:var(--blue);background:#f2f7ff;border-color:#d5e6fb}
    .nav-tabs a.active{color:var(--blue-deep);background:var(--blue-soft);border-color:#c8def8;font-weight:700}
    .nav-cta,.button-primary{
      display:inline-flex;align-items:center;justify-content:center;min-height:46px;
      padding:0 21px;border:1px solid var(--blue);border-radius:10px;
      background:var(--blue);color:#fff;font-weight:700;transition:var(--ease)
    }
    .nav-cta:hover,.button-primary:hover{background:var(--blue-deep);border-color:var(--blue-deep);transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,105,210,.2)}
    :focus-visible{outline:3px solid rgba(77,169,200,.42);outline-offset:3px}
    .hero{padding:76px 0 70px;background:linear-gradient(180deg,#f7fbff 0%,#fff 100%);overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:62px;align-items:center}
    .eyebrow,.section-kicker{
      display:inline-flex;align-items:center;gap:8px;color:var(--blue);
      font-size:13px;font-weight:800;letter-spacing:.08em
    }
    .eyebrow::before,.section-kicker::before{content:"";width:23px;height:2px;background:var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,62px);line-height:1.15;letter-spacing:-.04em;margin:18px 0 22px;max-width:680px}
    .hero-copy{font-size:18px;color:var(--muted);max-width:650px;margin-bottom:29px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button-secondary{
      display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;
      border:1px solid #b9cee7;border-radius:10px;color:var(--blue-deep);background:#fff;font-weight:700;transition:var(--ease)
    }
    .button-secondary:hover{background:var(--blue-soft);border-color:var(--blue);transform:translateY(-2px)}
    .hero-note{display:flex;gap:24px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:13px}
    .hero-note b{display:block;color:var(--ink);font-size:15px}
    .hero-stage{position:relative;min-height:390px;padding:22px}
    .stage-orbit{position:absolute;inset:18px 4px 8px 20px;border:1px solid #cfe2f5;border-radius:40% 18% 34% 20%;transform:rotate(-7deg)}
    .stage-panel{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:24px;padding:25px;box-shadow:var(--shadow);transform:rotate(2deg)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
    .panel-top strong{font-size:18px}
    .index-badge{font-size:12px;color:var(--blue);background:var(--blue-soft);padding:5px 9px;border-radius:7px;font-weight:800}
    .topic-stack{display:grid;gap:12px}
    .topic-row{display:flex;align-items:center;gap:13px;padding:14px 15px;border:1px solid var(--line);border-radius:13px;background:#fbfdff;transition:var(--ease)}
    .topic-row:hover{border-color:#a8c9ed;box-shadow:0 7px 15px rgba(34,94,154,.08);transform:translateX(4px)}
    .topic-num{width:30px;height:30px;border-radius:9px;background:#e2f1f6;color:#14738e;display:grid;place-items:center;font-size:12px;font-weight:800}
    .topic-row span{display:block;color:var(--muted);font-size:12px}
    .topic-row b{font-size:15px}
    .float-tag{position:absolute;z-index:2;padding:10px 14px;background:#fff;border:1px solid #cfe1f2;border-radius:12px;box-shadow:var(--shadow);font-size:13px;font-weight:700}
    .tag-one{top:4px;right:12px;color:var(--blue-deep)}
    .tag-two{bottom:10px;left:0;color:#14738e}
    .section{padding:var(--section) 0}
    .section-mist{background:var(--mist)}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3.4vw,40px);line-height:1.25;letter-spacing:-.03em;margin:10px 0 0}
    .section-head p{color:var(--muted);max-width:520px;margin-bottom:2px}
    .service-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:54px;align-items:start}
    .service-intro{padding:25px 0;border-top:2px solid var(--blue)}
    .service-intro h3{font-size:25px;line-height:1.35;margin:0 0 13px}
    .service-intro p{color:var(--muted)}
    .service-list{display:grid;gap:12px}
    .service-item{display:grid;grid-template-columns:55px 1fr auto;gap:18px;align-items:center;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);transition:var(--ease)}
    .service-item:hover{box-shadow:var(--shadow);border-color:#b4d0ee;transform:translateX(4px)}
    .service-item .num{color:var(--blue);font-size:13px;font-weight:800}
    .service-item h3{font-size:18px;margin:0 0 3px}
    .service-item p{color:var(--muted);font-size:14px;margin:0}
    .service-arrow{color:var(--blue);font-size:22px}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .stat{padding:30px 24px;border-right:1px solid var(--line)}
    .stat:last-child{border-right:0}
    .stat strong{display:block;font-size:28px;color:var(--blue-deep);line-height:1.25;margin-bottom:7px}
    .stat span{color:var(--muted);font-size:14px}
    .feature-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .feature-main,.feature-side article{border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden;transition:var(--ease)}
    .feature-main:hover,.feature-side article:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
    .cover{min-height:210px;background:#dceeff;position:relative;overflow:hidden;padding:24px}
    .cover::before,.cover::after{content:"";position:absolute;border:1px solid rgba(23,105,210,.2);border-radius:50%}
    .cover::before{width:330px;height:330px;right:-90px;top:-150px}
    .cover::after{width:180px;height:180px;left:35%;bottom:-110px}
    .cover-label{position:relative;z-index:1;display:inline-block;background:#fff;color:var(--blue-deep);border-radius:7px;padding:5px 9px;font-size:12px;font-weight:800}
    .cover-code{position:absolute;right:24px;bottom:16px;color:rgba(13,77,163,.25);font-size:64px;font-weight:900;line-height:1}
    .feature-body{padding:25px}
    .feature-body h3{font-size:25px;line-height:1.35;margin:0 0 10px}
    .feature-body p,.feature-side p{color:var(--muted);font-size:14px}
    .feature-meta{display:flex;justify-content:space-between;align-items:center;margin-top:18px;color:var(--muted);font-size:12px}
    .text-link{color:var(--blue);font-weight:700}
    .feature-side{display:grid;gap:20px}
    .feature-side article{padding:22px}
    .feature-side h3{font-size:19px;line-height:1.4;margin:10px 0 6px}
    .mini-label{color:#14738e;font-size:12px;font-weight:800}
    .pathway{display:grid;grid-template-columns:1fr 1.16fr 1fr 1.08fr;gap:12px;align-items:stretch}
    .path{position:relative;padding:24px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}
    .path:not(:last-child)::after{content:"›";position:absolute;right:-17px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;text-align:center;line-height:25px;z-index:2}
    .path-num{font-size:12px;color:var(--blue);font-weight:800}
    .path h3{font-size:18px;margin:12px 0 6px}
    .path p{font-size:14px;color:var(--muted);margin-bottom:16px}
    .faq-wrap{max-width:900px;margin:0 auto}
    .accordion{background:transparent;margin:0}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden;background:#fff}
    .accordion-title{border:0!important;color:var(--ink);font-weight:700;padding:20px 52px 20px 22px;background:#fff}
    .accordion-title:hover,.accordion-title:focus{background:var(--blue-soft);color:var(--blue-deep)}
    .accordion-content{border:0;background:#fbfdff;color:var(--muted);padding:0 22px 21px;font-size:15px}
    .contact-box{display:grid;grid-template-columns:.78fr 1.22fr;gap:65px;align-items:start;background:#eef6ff;border:1px solid #d3e6f8;border-radius:24px;padding:45px}
    .contact-box h2{font-size:34px;line-height:1.3;margin:10px 0 14px}
    .contact-box p{color:var(--muted)}
    .contact-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
    .chip{padding:6px 11px;border:1px solid #c9dff3;border-radius:8px;background:#fff;color:#4d6c89;font-size:12px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    label{display:block;color:var(--ink);font-size:14px;font-weight:700;margin-bottom:6px}
    input,textarea{width:100%;border:1px solid #bfd2e6;border-radius:10px;background:#fff;padding:12px 14px;color:var(--ink);transition:var(--ease)}
    input{height:46px}
    textarea{min-height:118px;resize:vertical}
    input:hover,textarea:hover{border-color:#8fb8e1}
    input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,210,.12);outline:0}
    .field-full{grid-column:1/-1}
    .form-hint{font-size:12px;color:var(--muted);margin:10px 0 16px}
    .form-status{display:none;margin-top:12px;color:#17754f;font-size:13px}
    .form-status.show{display:block}
    .site-footer{padding:34px 0;background:#14253b;color:#d6e3f0}
    .footer-wrap{display:flex;justify-content:space-between;gap:30px;align-items:center}
    .footer-brand strong{display:block;color:#fff;font-size:17px}
    .footer-brand span{display:block;color:#9fb2c7;font-size:12px;margin-top:4px}
    .footer-links{display:flex;gap:20px;color:#bfd0e1;font-size:13px}
    .footer-links a:hover{color:#fff}
    .copyright{color:#8fa5bc;font-size:12px}
    @media (max-width:1024px){
      .nav-wrap{gap:15px}.brand{min-width:225px}.nav-tabs a{padding:8px 9px}
      .hero-grid{gap:35px}.service-layout{gap:30px}.pathway{grid-template-columns:repeat(2,1fr);gap:14px}.path:not(:last-child)::after{display:none}
    }
    @media (max-width:768px){
      :root{--section:68px}
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{min-height:68px;flex-wrap:wrap;padding:10px 0;gap:10px}
      .brand{min-width:0;flex:1}.brand-text strong{font-size:14px}.brand-text small{display:none}.brand-mark{width:34px;height:34px}
      .nav-cta{min-height:40px;padding:0 13px;font-size:13px}
      .nav-tabs{order:3;flex-basis:100%;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
      .nav-tabs::-webkit-scrollbar{display:none}.nav-tabs a{white-space:nowrap;font-size:13px;padding:6px 11px}
      .hero{padding:52px 0 48px}.hero-grid,.service-layout,.feature-layout,.contact-box{grid-template-columns:1fr}
      .hero-stage{min-height:335px}.section-head{display:block}.section-head p{margin-top:14px}
      .stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .contact-box{padding:28px 20px;gap:28px}.footer-wrap{display:block}.footer-links{margin:18px 0}
    }
    @media (max-width:520px){
      h1{font-size:38px}.hero-copy{font-size:16px}.hero-actions a{width:100%}.hero-note{gap:15px}
      .hero-stage{padding:8px 0;min-height:320px}.stage-panel{padding:18px;transform:none}.stage-orbit{inset:20px 0 0}
      .float-tag{font-size:11px;padding:7px 10px}.tag-one{right:-3px}.tag-two{left:-5px}
      .service-item{grid-template-columns:35px 1fr;gap:10px;padding:17px}.service-arrow{display:none}
      .feature-body h3{font-size:21px}.pathway{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field-full{grid-column:auto}
      .footer-links{flex-wrap:wrap;gap:12px}
    }
    @media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
 --blue:#1769d2;
 --blue-deep:#0d4da3;
 --blue-soft:#eaf3ff;
 --cyan:#4da9c8;
 --ink:#17283f;
 --muted:#64748b;
 --paper:#fff;
 --mist:#f5f8fc;
 --line:#dce6f1;
 --warn:#c24141;
 --radius:18px;
 --radius-sm:11px;
 --shadow:0 14px 34px rgba(27,74,126,.09);
 --shadow-hover:0 20px 42px rgba(27,74,126,.15);
 --container:1200px;
 --section:76px;
 --ease:220ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--ink);background:var(--paper);
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
 font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.site-header{
 position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);
 border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(25,69,115,.04)
}
.nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:270px}
.brand-mark{
 width:38px;height:38px;border-radius:12px;background:var(--blue);color:#fff;
 display:grid;place-items:center;font-size:19px;font-weight:800;
 box-shadow:0 7px 15px rgba(23,105,210,.23)
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;letter-spacing:.02em}
.brand-text small{font-size:11px;color:var(--muted);margin-top:3px}
.nav-tabs{display:flex;align-items:center;gap:5px;flex:1}
.nav-tabs a{
 padding:8px 14px;border:1px solid transparent;border-radius:10px;color:#53657b;
 font-size:14px;transition:var(--ease)
}
.nav-tabs a:hover,.nav-tabs a:focus-visible{
 color:var(--blue);background:#f2f7ff;border-color:#d5e6fb
}
.nav-tabs a.active{
 color:var(--blue-deep);background:var(--blue-soft);
 border-color:#c8def8;font-weight:700
}
.nav-cta,.button-primary{
 display:inline-flex;align-items:center;justify-content:center;min-height:46px;
 padding:0 21px;border:1px solid var(--blue);border-radius:10px;background:var(--blue);
 color:#fff;font-weight:700;transition:var(--ease)
}
.nav-cta:hover,.button-primary:hover{
 background:var(--blue-deep);border-color:var(--blue-deep);transform:translateY(-2px);
 box-shadow:0 9px 18px rgba(23,105,210,.2)
}
.hero-inner{
 padding:34px 0 68px;background:linear-gradient(180deg,#f7fbff 0%,#fff 100%)
}
.breadcrumbs{margin:0 0 28px;color:var(--muted);font-size:13px}
.breadcrumbs a{color:var(--blue)}
.category-hero{
 display:flex;justify-content:space-between;gap:50px;align-items:end;
 padding:20px 0 0
}
.eyebrow,.section-kicker{
 display:inline-flex;align-items:center;gap:8px;color:var(--blue);
 font-size:13px;font-weight:800;letter-spacing:.08em
}
.eyebrow::before,.section-kicker::before{content:"";width:23px;height:2px;background:var(--cyan)}
h1{
 font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-.045em;
 margin:13px 0 17px;max-width:720px
}
.hero-summary{color:var(--muted);font-size:18px;max-width:680px;margin:0}
.hero-index{
 min-width:230px;padding:22px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow)
}
.hero-index small{display:block;color:var(--muted);font-size:12px}
.hero-index strong{display:block;color:var(--blue-deep);font-size:28px;line-height:1.2;margin:5px 0}
.hero-index span{font-size:13px;color:var(--muted)}
.section{padding:var(--section) 0}
.section-mist{background:var(--mist)}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
.section-head h2{font-size:clamp(27px,3.2vw,39px);line-height:1.25;letter-spacing:-.03em;margin:10px 0 0}
.section-head p{color:var(--muted);max-width:510px;margin:0}
.filter-layout{display:grid;grid-template-columns:250px 1fr;gap:28px;align-items:start}
.filter-panel{
 padding:23px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:0 8px 24px rgba(27,74,126,.05);position:sticky;top:98px
}
.filter-panel h3{font-size:18px;margin:0 0 15px}
.filter-panel p{font-size:13px;color:var(--muted);margin:0 0 18px}
.filter-list{display:flex;flex-wrap:wrap;gap:8px}
.filter-chip{
 border:1px solid #c8d9ec;background:#fff;color:#52677e;border-radius:9px;
 padding:7px 10px;font-size:13px;transition:var(--ease)
}
.filter-chip:hover,.filter-chip:focus-visible,.filter-chip.selected{
 color:var(--blue-deep);background:var(--blue-soft);border-color:#a9cbed
}
.content-list{display:grid;gap:14px}
.content-card{
 display:grid;grid-template-columns:80px 1fr auto;gap:20px;align-items:center;
 padding:22px 24px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius-sm);transition:var(--ease)
}
.content-card:hover{border-color:#a9cbed;box-shadow:var(--shadow-hover);transform:translateX(4px)}
.card-number{
 width:58px;height:58px;border-radius:16px;background:var(--blue-soft);color:var(--blue);
 display:grid;place-items:center;font-weight:800;font-size:18px
}
.card-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:5px}
.tag{
 display:inline-flex;padding:4px 9px;border-radius:7px;background:#edf8fa;
 color:#14738e;font-size:12px;font-weight:700
}
.date{color:var(--muted);font-size:12px}
.content-card h3{font-size:20px;line-height:1.4;margin:0 0 4px}
.content-card p{font-size:14px;color:var(--muted);margin:0}
.text-link{color:var(--blue);font-weight:700;white-space:nowrap}
.content-card.featured{border-left:4px solid var(--blue);padding-left:21px}
.topic-showcase{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.showcase-main,.showcase-side article{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 transition:var(--ease)
}
.showcase-main{padding:30px;position:relative;overflow:hidden}
.showcase-main::after{
 content:"";position:absolute;width:190px;height:190px;border:1px solid #cde2f5;
 border-radius:50%;right:-58px;bottom:-72px
}
.showcase-main h3{font-size:27px;line-height:1.35;margin:12px 0}
.showcase-main p,.showcase-side p{color:var(--muted);font-size:14px}
.showcase-side{display:grid;gap:20px}
.showcase-side article{padding:24px}
.showcase-side article:hover,.showcase-main:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.path{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.path-item{
 padding:22px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
 position:relative
}
.path-item:not(:last-child)::after{
 content:"→";position:absolute;right:-16px;top:50%;transform:translateY(-50%);
 color:var(--cyan);font-size:22px;z-index:2
}
.path-num{color:var(--blue);font-weight:800;font-size:13px}
.path-item h3{font-size:17px;margin:10px 0 5px}
.path-item p{font-size:13px;color:var(--muted);margin:0}
.accordion{background:transparent;margin:0}
.accordion-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:10px;background:#fff;overflow:hidden}
.accordion-title{color:var(--ink);font-size:16px;font-weight:700;padding:17px 20px;border:0}
.accordion-title:hover,.accordion-title:focus{color:var(--blue);background:#f8fbff}
.accordion-content{border:0;padding:0 20px 18px;color:var(--muted);font-size:14px}
.callout{
 border:0;border-radius:var(--radius);background:#edf6ff;padding:34px 38px;
 display:flex;justify-content:space-between;align-items:center;gap:25px
}
.callout h2{font-size:29px;line-height:1.3;margin:0 0 8px}
.callout p{color:var(--muted);margin:0;max-width:680px}
.site-footer{background:#12243a;color:#dce8f5;padding:28px 0}
.footer-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px}
.footer-brand{display:flex;flex-direction:column}
.footer-brand strong{font-size:16px;color:#fff}
.footer-brand span{color:#9eb2c8;font-size:12px;margin-top:3px}
.footer-links{display:flex;gap:18px;font-size:13px;color:#c4d5e7}
.footer-links a:hover,.footer-links a:focus-visible{color:#fff}
.copyright{font-size:12px;color:#91a7be}
:focus-visible{outline:3px solid rgba(23,105,210,.3);outline-offset:3px}
@media(max-width:900px){
 .nav-wrap{gap:15px}.brand{min-width:230px}
 .category-hero{align-items:start;flex-direction:column;gap:25px}
 .hero-index{min-width:0;width:100%}
 .filter-layout{grid-template-columns:1fr}
 .filter-panel{position:static}
 .topic-showcase{grid-template-columns:1fr}
 .path{grid-template-columns:repeat(2,1fr)}
 .path-item:nth-child(2)::after{display:none}
}
@media(max-width:640px){
 .container{width:min(var(--container),calc(100% - 28px))}
 .nav-wrap{min-height:68px;flex-wrap:wrap;padding:9px 0}
 .brand{min-width:0;flex:1}.brand-text strong{font-size:14px}.brand-text small{font-size:10px}
 .brand-mark{width:34px;height:34px;font-size:17px}
 .nav-cta{min-height:40px;padding:0 12px;font-size:13px}
 .nav-tabs{order:3;flex-basis:100%;overflow-x:auto;flex:none;padding-bottom:3px}
 .nav-tabs a{padding:6px 12px;white-space:nowrap}
 .site-header{position:relative}
 .hero-inner{padding:25px 0 48px}
 h1{font-size:36px}
 .hero-summary{font-size:16px}
 .section{padding:54px 0}
 .section-head{display:block;margin-bottom:23px}
 .section-head p{margin-top:12px}
 .content-card{grid-template-columns:48px 1fr;gap:13px;padding:18px}
 .card-number{width:48px;height:48px;border-radius:13px}
 .content-card h3{font-size:17px}
 .content-card .text-link{grid-column:2}
 .showcase-main{padding:24px}
 .path{grid-template-columns:1fr}
 .path-item:not(:last-child)::after{content:"↓";right:50%;top:auto;bottom:-20px;transform:translateX(50%)}
 .callout{display:block;padding:27px 23px}
 .callout .button-primary{margin-top:20px;width:100%}
 .footer-wrap{display:block}.footer-links{margin:17px 0}.copyright{margin-top:5px}
}
@media(prefers-reduced-motion:reduce){
 *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
}