/* roulang page: index */
:root{
      --blue:#1769aa;--blue-dark:#124b7a;--blue-soft:#eaf4fb;--ink:#1d2b3a;
      --muted:#6d7c8b;--paper:#fbfaf7;--white:#fff;--line:#dce7ef;
      --yellow:#f4bd3c;--orange:#e99a28;--radius:18px;
      --shadow:0 12px 34px rgba(38,79,111,.10);--shadow-sm:0 6px 18px rgba(38,79,111,.08)
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--blue)}
    img{max-width:100%;display:block}
    .container{max-width:1200px}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(251,250,247,.95);border-bottom:1px solid rgba(220,231,239,.9);backdrop-filter:blur(12px)}
    .navbar{min-height:76px}
    .brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:800;color:var(--blue-dark);letter-spacing:.02em}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);position:relative;box-shadow:inset 0 -5px 0 rgba(0,0,0,.10)}
    .brand-mark:after{content:"";position:absolute;left:13px;top:9px;border-left:11px solid var(--yellow);border-top:8px solid transparent;border-bottom:8px solid transparent}
    .nav-link{font-weight:600;color:#526477!important;padding:10px 15px!important;border-radius:10px}
    .nav-link:hover,.nav-link.active{color:var(--blue)!important;background:var(--blue-soft)}
    .nav-entry{border:1px solid var(--blue);color:var(--blue);border-radius:999px;padding:9px 18px;font-weight:700}
    .nav-entry:hover{background:var(--blue);color:#fff}
    .hero{padding:78px 0 66px;background:linear-gradient(90deg,rgba(251,250,247,.98) 28%,rgba(251,250,247,.82) 54%,rgba(251,250,247,.24)),url('/assets/images/4fed9be7dca2b936.jpg') center/cover}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:26px;height:3px;background:var(--yellow);border-radius:3px}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.16;letter-spacing:-.045em;color:var(--blue-dark);margin:18px 0 22px;font-weight:850}
    h2{font-size:clamp(26px,3vw,35px);line-height:1.25;color:var(--blue-dark);margin:10px 0 14px;font-weight:800}
    h3{font-size:19px;line-height:1.4;margin:0 0 8px;color:var(--blue-dark)}
    p{color:var(--muted);margin:0}
    .hero-copy{max-width:670px;font-size:17px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn-main,.btn-outline{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 21px;border-radius:10px;font-weight:750;border:1px solid transparent}
    .btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,170,.2)}
    .btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:#9dbbd0;color:var(--blue);background:rgba(255,255,255,.7)}
    .btn-outline:hover{border-color:var(--blue);background:var(--blue-soft)}
    .hero-note{display:flex;gap:20px;align-items:center;margin-top:25px;color:var(--muted);font-size:13px}
    .hero-note strong{font-size:22px;color:var(--orange);display:block;line-height:1.1}
    .index-panel{background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.85);box-shadow:var(--shadow);border-radius:var(--radius);padding:25px;margin-top:22px}
    .index-panel .panel-head{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:15px}
    .panel-title{font-weight:800;color:var(--blue-dark)}
    .panel-date{font-size:12px;color:var(--muted)}
    .index-line{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
    .index-line:last-child{border:0}
    .index-no{color:var(--orange);font-weight:800}
    .index-line span:last-child{font-size:14px;color:#506477}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-head p{max-width:570px}
    .soft-section{background:var(--blue-soft)}
    .search-box{background:#fff;padding:18px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
    .form-control,.form-select{border-color:var(--line);min-height:46px;border-radius:9px;color:var(--ink);background:#fff}
    .form-control:focus,.form-select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,170,.12)}
    .search-label{font-size:12px;color:var(--muted);font-weight:700;display:block;margin-bottom:6px}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:#edf5fa;color:var(--blue);font-size:12px;font-weight:700;margin:3px 3px 3px 0}
    .tag.warm{background:#fff3d7;color:#a66d0a}
    .feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);height:100%;transition:.25s}
    .feature-card:hover,.topic-item:hover,.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .cover{height:188px;position:relative;background-size:cover;background-position:center}
    .cover.one{background-image:linear-gradient(0deg,rgba(13,43,67,.75),transparent 60%),url('/assets/images/0986a01a1e786bff.jpg')}
    .cover.two{background-image:linear-gradient(0deg,rgba(13,43,67,.75),transparent 60%),url('/assets/images/43fc0945b6ad3ec2.jpg')}
    .cover.three{background-image:linear-gradient(0deg,rgba(13,43,67,.75),transparent 60%),url('/assets/images/2a9e9aa3e5169240.jpg')}
    .play-dot{position:absolute;left:18px;bottom:16px;width:36px;height:36px;border-radius:50%;background:var(--yellow);display:grid;place-items:center;color:var(--blue-dark);font-size:13px}
    .feature-body{padding:20px}
    .meta{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;margin-top:14px}
    .topic-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:16px}
    .topic-item{background:#fff;border:1px solid var(--line);padding:21px;border-radius:14px;transition:.25s}
    .topic-item:first-child{grid-row:span 2;background:#f4f9fc}
    .topic-count{color:var(--orange);font-weight:800;font-size:13px}
    .category-index{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:item}
    .category-item{counter-increment:item;background:#fff;border:1px solid var(--line);padding:20px;border-radius:14px;position:relative}
    .category-item:before{content:"0" counter(item);font-size:13px;font-weight:800;color:var(--yellow);background:var(--blue-dark);padding:4px 8px;border-radius:7px;display:inline-block;margin-bottom:16px}
    .category-item:hover{border-color:var(--blue);box-shadow:var(--shadow-sm)}
    .timeline{border-left:2px solid #b9d5e6;margin:15px 0 0 10px;padding-left:28px}
    .timeline-item{position:relative;padding:0 0 25px}
    .timeline-item:before{content:"";position:absolute;left:-36px;top:7px;width:13px;height:13px;background:var(--yellow);border:3px solid var(--paper);box-shadow:0 0 0 1px var(--orange);border-radius:50%}
    .timeline-date{font-size:12px;font-weight:800;color:var(--orange);margin-bottom:4px}
    .info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .info-card{padding:23px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.25s}
    .info-icon{font-size:25px;color:var(--blue);margin-bottom:12px}
    .scene-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .scene-list{display:grid;gap:11px}
    .scene-row{display:flex;gap:15px;align-items:flex-start;padding:17px;background:#fff;border-left:4px solid var(--yellow);border-radius:10px;box-shadow:var(--shadow-sm)}
    .scene-row b{color:var(--blue-dark);min-width:82px}
    .case-wall{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
    .case-card{min-height:210px;border-radius:16px;padding:22px;display:flex;flex-direction:column;justify-content:end;color:#fff;background-size:cover;background-position:center;overflow:hidden;position:relative}
    .case-card:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,40,64,.86),rgba(10,40,64,.08))}
    .case-card>*{position:relative}
    .case-card.large{min-height:330px;background-image:url('/assets/images/9afffa05de8a0ba4.jpg')}
    .case-card.small-a{background-image:url('/assets/images/4a9846c62142422a.jpg')}
    .case-card.small-b{background-image:url('/assets/images/5928bf30cb2c2bfe.jpg')}
    .case-card p{color:rgba(255,255,255,.8);font-size:13px}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .stat{padding:25px;border-right:1px solid var(--line)}
    .stat:last-child{border:0}
    .stat strong{display:block;color:var(--orange);font-size:31px;line-height:1.2}
    .stat span{color:var(--muted);font-size:13px}
    .news-list{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .news-main{padding:28px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .news-row{display:flex;justify-content:space-between;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
    .news-row:last-child{border:0}
    .news-row time{font-size:12px;color:var(--orange);white-space:nowrap}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;overflow:hidden;margin-bottom:10px;background:#fff}
    .accordion-button{font-weight:750;color:var(--blue-dark);background:#fff;box-shadow:none!important;padding:18px 20px}
    .accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft)}
    .accordion-body{color:var(--muted);padding:0 20px 20px}
    .final-cta{background:var(--blue-dark);color:#fff;border-radius:22px;padding:52px 58px;position:relative;overflow:hidden}
    .final-cta:after{content:"";position:absolute;width:240px;height:240px;border:35px solid rgba(244,189,60,.2);border-radius:50%;right:-60px;top:-90px}
    .final-cta h2{color:#fff}
    .final-cta p{color:#d7e6f1;max-width:650px}
    .site-footer{background:#102f48;color:#bdd0de;padding:54px 0 24px}
    .site-footer .brand{color:#fff}
    .footer-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:13px}
    .footer-link{display:block;color:#a9c0d0;font-size:13px;margin:8px 0}
    .footer-link:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:20px;font-size:12px;color:#8fa9ba}
    :focus-visible{outline:3px solid rgba(244,189,60,.75);outline-offset:3px}
    @media(max-width:992px){.category-index,.info-grid{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:1fr 1fr}.topic-item:first-child{grid-row:auto}.case-wall{grid-template-columns:1fr 1fr}.case-card.large{grid-column:span 2}.hero{padding-top:55px}}
    @media(max-width:768px){.navbar{min-height:68px}.nav-entry{display:inline-block;margin-top:10px}.hero{background-position:62% center}.section-head{display:block}.section-head p{margin-top:10px}.scene-layout,.news-list{grid-template-columns:1fr}.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)}.final-cta{padding:38px 25px}}
    @media(max-width:576px){section{padding:58px 0}.hero{padding:48px 0}.hero-copy{font-size:15px}.hero-actions .btn-main,.hero-actions .btn-outline{width:100%}.topic-grid,.category-index,.info-grid,.case-wall{grid-template-columns:1fr}.case-card.large{grid-column:auto}.cover{height:160px}.stats{grid-template-columns:1fr 1fr}.stat{padding:18px 12px}.stat strong{font-size:25px}.news-row{display:block}.news-row time{display:block;margin-top:5px}}

/* roulang page: category1 */
:root{
      --blue:#1769aa;
      --blue-dark:#124b7a;
      --blue-soft:#eaf4fb;
      --ink:#1d2b3a;
      --muted:#6d7c8b;
      --paper:#fbfaf7;
      --white:#fff;
      --line:#dce7ef;
      --yellow:#f4bd3c;
      --orange:#e99a28;
      --radius:18px;
      --shadow:0 12px 34px rgba(38,79,111,.10);
      --shadow-sm:0 6px 18px rgba(38,79,111,.08);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      font-size:15px;
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--blue)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    :focus-visible{outline:3px solid rgba(244,189,60,.65);outline-offset:3px}
    .container{max-width:1200px}

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(251,250,247,.95);
      border-bottom:1px solid rgba(220,231,239,.9);
      backdrop-filter:blur(12px);
    }
    .navbar{min-height:76px}
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      color:var(--blue-dark);
      font-size:21px;
      font-weight:800;
      letter-spacing:.02em;
    }
    .brand:hover{color:var(--blue-dark)}
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:11px;
      background:var(--blue);
      position:relative;
      box-shadow:inset 0 -5px 0 rgba(0,0,0,.1);
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      left:13px;
      top:9px;
      border-left:11px solid var(--yellow);
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
    }
    .nav-link{
      color:#526477!important;
      font-weight:600;
      padding:10px 15px!important;
      border-radius:10px;
    }
    .nav-link:hover,.nav-link.active{
      color:var(--blue)!important;
      background:var(--blue-soft);
    }
    .nav-entry{
      border:1px solid var(--blue);
      color:var(--blue);
      border-radius:999px;
      padding:9px 18px;
      font-weight:700;
      white-space:nowrap;
    }
    .nav-entry:hover{background:var(--blue);color:#fff}
    .navbar-toggler{
      padding:8px 9px;
      border-radius:9px;
      background:var(--blue-soft);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(23,105,170,.16)}
    .navbar-toggler-icon{
      width:1.35em;
      height:1.35em;
      background-image:var(--bs-navbar-toggler-icon-bg);
    }

    .category-head{
      padding:66px 0 54px;
      background:
        linear-gradient(90deg,rgba(251,250,247,.98) 24%,rgba(251,250,247,.88) 57%,rgba(251,250,247,.35)),
        url('/assets/images/0986a01a1e786bff.jpg') center/cover;
      border-bottom:1px solid var(--line);
    }
    .breadcrumb{
      --bs-breadcrumb-divider:"/";
      margin-bottom:25px;
      font-size:13px;
    }
    .breadcrumb-item a{color:var(--blue)}
    .breadcrumb-item.active{color:var(--muted)}
    .eyebrow,.section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--blue);
      font-size:13px;
      font-weight:800;
      letter-spacing:.1em;
    }
    .eyebrow:before,.section-kicker:before{
      content:"";
      width:26px;
      height:3px;
      background:var(--yellow);
      border-radius:3px;
    }
    h1,h2,h3,h4{color:var(--blue-dark);font-weight:800;line-height:1.28}
    h1{
      max-width:760px;
      margin:14px 0 18px;
      font-size:clamp(34px,5vw,52px);
      letter-spacing:-.03em;
    }
    h2{font-size:clamp(26px,3vw,34px);margin:10px 0}
    h3{font-size:20px;margin:0 0 9px}
    p{color:var(--muted);margin:0 0 12px}
    .head-summary{max-width:700px;font-size:17px}
    .head-meta{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:25px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:5px 11px;
      border-radius:999px;
      background:#edf5fa;
      color:var(--blue);
      font-size:12px;
      font-weight:700;
      margin:3px 3px 3px 0;
    }
    .tag.warm{background:#fff3d7;color:#a66d0a}
    .tag.gray{background:#f0f2f4;color:#657483}

    section{padding:78px 0}
    .soft-section{background:var(--blue-soft)}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:30px;
      margin-bottom:30px;
    }
    .section-head p{max-width:570px}
    .index-bar{
      margin-top:-1px;
      background:#fff;
      border-bottom:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .filter-row{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      padding:19px 0;
    }
    .filter-label{
      color:var(--blue-dark);
      font-size:13px;
      font-weight:800;
      margin-right:4px;
    }
    .filter-pill{
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:7px 14px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--muted);
      background:#fff;
      font-size:13px;
      transition:.25s ease;
    }
    .filter-pill:hover,.filter-pill.active{
      color:var(--blue);
      border-color:#a9c9dd;
      background:var(--blue-soft);
    }

    .content-list{
      display:grid;
      gap:16px;
    }
    .content-row{
      display:grid;
      grid-template-columns:220px 1fr auto;
      gap:23px;
      align-items:center;
      padding:18px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow-sm);
      transition:.25s ease;
    }
    .content-row:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:#b7d2e3;
    }
    .cover{
      position:relative;
      min-height:136px;
      border-radius:12px;
      overflow:hidden;
      background:var(--blue-soft);
    }
    .cover img{
      width:100%;
      height:100%;
      min-height:136px;
      object-fit:cover;
    }
    .cover:after{
      content:"查看";
      position:absolute;
      right:11px;
      bottom:10px;
      padding:3px 9px;
      border-radius:999px;
      color:#fff;
      background:rgba(18,75,122,.86);
      font-size:12px;
      font-weight:700;
    }
    .content-title{
      display:inline-block;
      color:var(--blue-dark);
      font-size:20px;
      font-weight:800;
      margin-bottom:6px;
    }
    .content-title:hover{color:var(--blue)}
    .content-summary{
      max-width:650px;
      font-size:14px;
      margin-bottom:9px;
    }
    .content-meta{
      display:flex;
      flex-wrap:wrap;
      gap:15px;
      color:var(--muted);
      font-size:12px;
    }
    .content-meta span{display:inline-flex;align-items:center;gap:5px}
    .content-arrow{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:38px;
      height:38px;
      border:1px solid #b8cfdf;
      border-radius:50%;
      color:var(--blue);
      font-size:19px;
    }
    .content-arrow:hover{
      color:#fff;
      background:var(--blue);
      border-color:var(--blue);
    }
    .more-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:25px;
      color:var(--blue);
      font-weight:800;
      border-bottom:2px solid var(--yellow);
      padding-bottom:4px;
    }

    .feature-layout{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:22px;
      align-items:stretch;
    }
    .feature-visual{
      min-height:350px;
      border-radius:18px;
      overflow:hidden;
      position:relative;
      background:url('/assets/images/43fc0945b6ad3ec2.jpg') center/cover;
      box-shadow:var(--shadow);
    }
    .feature-visual:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(0deg,rgba(11,47,75,.85),rgba(11,47,75,.08) 70%);
    }
    .visual-copy{
      position:absolute;
      z-index:1;
      left:28px;
      right:28px;
      bottom:25px;
      color:#fff;
    }
    .visual-copy h3{color:#fff;font-size:27px}
    .visual-copy p{color:rgba(255,255,255,.82);max-width:560px}
    .feature-note{
      padding:30px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:var(--shadow-sm);
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .note-mark{
      width:44px;
      height:44px;
      display:flex;
      align-items:center;
      justify-content:center;
      margin-bottom:19px;
      border-radius:13px;
      background:#fff3d7;
      color:#a66d0a;
      font-size:20px;
      font-weight:800;
    }
    .note-points{
      display:grid;
      gap:12px;
      margin:18px 0 7px;
    }
    .note-point{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      font-size:14px;
    }
    .note-point b{color:var(--blue);font-size:16px}

    .timeline{
      position:relative;
      max-width:850px;
      margin:5px auto 0;
      padding-left:34px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:5px;
      top:5px;
      bottom:5px;
      width:1px;
      background:#b9d3e3;
    }
    .timeline-item{
      position:relative;
      padding:0 0 27px 22px;
    }
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{
      content:"";
      position:absolute;
      left:-35px;
      top:5px;
      width:13px;
      height:13px;
      background:var(--yellow);
      border:3px solid var(--paper);
      box-shadow:0 0 0 1px var(--orange);
      border-radius:50%;
    }
    .timeline-date{
      display:inline-block;
      margin-bottom:5px;
      color:var(--orange);
      font-size:12px;
      font-weight:800;
      letter-spacing:.04em;
    }
    .timeline-item h3{font-size:18px;margin-bottom:4px}
    .timeline-item p{font-size:14px}

    .scene-layout{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:28px;
      align-items:start;
    }
    .scene-intro{
      padding:28px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow-sm);
    }
    .scene-intro h2{font-size:27px}
    .scene-list{display:grid;gap:11px}
    .scene-row{
      display:flex;
      gap:15px;
      align-items:flex-start;
      padding:18px;
      background:#fff;
      border-left:4px solid var(--yellow);
      border-radius:10px;
      box-shadow:var(--shadow-sm);
      transition:.25s ease;
    }
    .scene-row:hover{transform:translateX(4px);box-shadow:var(--shadow)}
    .scene-row b{
      min-width:82px;
      color:var(--blue-dark);
    }
    .scene-row p{font-size:14px;margin:0}

    .faq-wrap{
      max-width:900px;
      margin:0 auto;
    }
    .accordion-item{
      overflow:hidden;
      margin-bottom:12px;
      border:1px solid var(--line)!important;
      border-radius:12px!important;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .accordion-button{
      padding:19px 21px;
      color:var(--blue-dark);
      background:#fff;
      font-weight:800;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--blue);
      background:var(--blue-soft);
    }
    .accordion-button:after{background-size:1rem}
    .accordion-body{
      padding:0 21px 20px;
      color:var(--muted);
      font-size:14px;
      background:#fff;
    }

    .cta-section{
      padding:62px 0;
      background:var(--blue-dark);
      color:#fff;
    }
    .cta-box{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta-box h2{color:#fff;margin:0 0 8px}
    .cta-box p{color:rgba(255,255,255,.76);max-width:650px;margin:0}
    .btn-main,.btn-outline{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:11px 21px;
      border-radius:10px;
      font-weight:750;
      border:1px solid transparent;
    }
    .btn-main{
      background:var(--blue);
      color:#fff;
      box-shadow:0 8px 18px rgba(23,105,170,.2);
    }
    .btn-main:hover{background:#0e578e;color:#fff;transform:translateY(-2px)}
    .btn-light-custom{
      background:#fff;
      color:var(--blue-dark);
      border-radius:10px;
      padding:12px 21px;
      font-weight:800;
      white-space:nowrap;
    }
    .btn-light-custom:hover{background:#fff3d7;color:#8d610d}

    .site-footer{
      padding:54px 0 22px;
      background:#102f48;
      color:rgba(255,255,255,.72);
    }
    .site-footer .brand{color:#fff}
    .site-footer .brand-mark{background:#2582c0}
    .site-footer p{color:rgba(255,255,255,.68);font-size:14px}
    .footer-title{
      color:#fff;
      font-size:14px;
      font-weight:800;
      margin-bottom:14px;
    }
    .footer-link{
      display:block;
      margin:7px 0;
      color:rgba(255,255,255,.68);
      font-size:14px;
    }
    .footer-link:hover{color:var(--yellow)}
    .copyright{
      margin-top:38px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.14);
      color:rgba(255,255,255,.48);
      font-size:12px;
    }

    @media (max-width:1199px){
      .container{max-width:960px}
      .nav-link{padding-left:10px!important;padding-right:10px!important}
      .content-row{grid-template-columns:190px 1fr auto}
    }
    @media (max-width:991px){
      .container{max-width:720px}
      .navbar-collapse{
        padding:14px 0 18px;
        border-top:1px solid var(--line);
        margin-top:9px;
      }
      .navbar-nav{gap:4px}
      .nav-link{padding:11px 13px!important}
      .nav-entry{display:inline-flex;margin-top:11px}
      .feature-layout,.scene-layout{grid-template-columns:1fr}
      .feature-visual{min-height:300px}
    }
    @media (max-width:767px){
      .container{max-width:100%;padding-left:20px;padding-right:20px}
      .category-head{padding:46px 0 42px}
      section{padding:58px 0}
      .section-head{display:block;margin-bottom:23px}
      .section-head p{margin-top:9px}
      .filter-row{align-items:flex-start}
      .content-row{
        grid-template-columns:1fr;
        gap:15px;
        padding:15px;
      }
      .cover,.cover img{min-height:180px;height:180px}
      .content-arrow{display:none}
      .content-title{font-size:18px}
      .feature-note{padding:24px}
      .cta-box{display:block}
      .cta-box .btn-light-custom{display:inline-flex;margin-top:20px}
    }
    @media (max-width:575px){
      body{font-size:14px}
      .brand{font-size:19px}
      .category-head h1{font-size:34px}
      .head-summary{font-size:15px}
      .filter-row{gap:7px}
      .filter-label{width:100%;margin-bottom:2px}
      .filter-pill{padding:6px 11px;font-size:12px}
      .feature-visual{min-height:260px}
      .visual-copy{left:20px;right:20px;bottom:19px}
      .visual-copy h3{font-size:22px}
      .scene-row{display:block}
      .scene-row b{display:block;margin-bottom:4px}
      .timeline{padding-left:28px}
      .timeline-item{padding-left:15px}
      .timeline-item:before{left:-29px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}