/* roulang page: index */
:root{
            --ink:#f3f7ff;--muted:#93a4bf;--dim:#657895;--bg:#07101f;--panel:#0e1a2d;
            --panel2:#111f35;--line:rgba(166,190,226,.16);--cyan:#4de1d0;--violet:#8f7cff;
            --orange:#ffb45c;--radius:22px;--shadow:0 20px 60px rgba(0,0,0,.22)
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none;transition:.25s ease}
        img{display:block;max-width:100%;height:auto}
        button,input,textarea{font:inherit}
        .container{max-width:1180px;padding-left:22px;padding-right:22px}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(7,16,31,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
        .nav-shell{min-height:76px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
        .brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),var(--violet));position:relative;box-shadow:0 0 24px rgba(77,225,208,.22)}
        .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border:2px solid #07101f;border-radius:50%;left:12px;top:10px}
        .brand-text{font-size:17px}
        .nav-links{display:flex;align-items:center;gap:6px;margin:auto}
        .nav-links a{color:var(--muted);padding:9px 14px;border-radius:10px}
        .nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(143,124,255,.14)}
        .nav-status{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:12px;white-space:nowrap}
        .status-dot{width:8px;height:8px;background:var(--cyan);border-radius:50%;box-shadow:0 0 0 5px rgba(77,225,208,.1)}
        .nav-action{border:1px solid rgba(77,225,208,.35);color:var(--cyan);padding:9px 14px;border-radius:10px;font-size:13px}
        .nav-action:hover{background:var(--cyan);color:#06121e}
        .hero{min-height:620px;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(7,16,31,.98) 8%,rgba(7,16,31,.72) 53%,rgba(7,16,31,.82)),url('/assets/images/cb1d5b6472568f61.png') center/cover}
        .hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 72% 30%,rgba(143,124,255,.25),transparent 32%),radial-gradient(circle at 12% 80%,rgba(77,225,208,.13),transparent 30%)}
        .hero .container{position:relative;z-index:1}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:21px}
        .eyebrow:before{content:"";width:22px;height:1px;background:var(--cyan)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,6vw,72px);line-height:1.08;letter-spacing:-.055em;max-width:780px;margin-bottom:25px}
        .hero-copy{max-width:720px;color:#c0cce0;font-size:18px;line-height:1.9;margin-bottom:30px}
        .hero-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
        .btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:13px 20px;font-weight:700;border:1px solid transparent}
        .btn-main{background:var(--cyan);color:#06141e;box-shadow:0 10px 28px rgba(77,225,208,.18)}
        .btn-main:hover{background:#8af4e8;transform:translateY(-2px)}
        .btn-ghost{border-color:var(--line);color:var(--ink);background:rgba(255,255,255,.04)}
        .btn-ghost:hover{border-color:var(--violet);background:rgba(143,124,255,.13)}
        .hero-code{margin-top:42px;max-width:560px;border:1px solid var(--line);background:rgba(8,17,31,.78);border-radius:16px;padding:16px 18px;color:#aab8d0;font:13px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;box-shadow:var(--shadow)}
        .code-key{color:var(--cyan)}.code-value{color:var(--orange)}.code-comment{color:#617895}
        section{padding:92px 0;border-bottom:1px solid var(--line)}
        .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:36px}
        .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.18;letter-spacing:-.04em;margin-bottom:12px}
        .section-head p{color:var(--muted);max-width:610px;margin-bottom:0}
        .kicker{color:var(--violet);font-weight:700;font-size:12px;letter-spacing:.12em;margin-bottom:10px}
        .metric-strip{margin-top:-40px;position:relative;z-index:2}
        .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
        .metric{padding:26px 24px;border-right:1px solid var(--line)}
        .metric:last-child{border-right:0}.metric strong{display:block;font-size:30px;color:var(--cyan);line-height:1.2;margin-bottom:6px}.metric span{color:var(--muted);font-size:13px}
        .cap-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
        .feature-panel{min-height:290px;padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,#13243b,#0b1729);position:relative;overflow:hidden}
        .feature-panel img{position:absolute;right:0;bottom:0;width:47%;opacity:.48;mask-image:linear-gradient(90deg,transparent,black)}
        .feature-panel h3{font-size:28px;max-width:410px;margin-bottom:15px}.feature-panel p{color:var(--muted);max-width:430px}
        .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
        .mini-card,.matrix-card,.case-card,.news-card,.assure-card{padding:25px;border:1px solid var(--line);border-radius:18px;background:var(--panel);transition:.25s ease}
        .mini-card:hover,.matrix-card:hover,.case-card:hover,.news-card:hover{transform:translateY(-5px);border-color:rgba(77,225,208,.48);box-shadow:var(--shadow)}
        .icon-box{width:38px;height:38px;border-radius:12px;background:rgba(143,124,255,.15);color:var(--violet);display:grid;place-items:center;font-weight:800;margin-bottom:18px}
        .mini-card h3,.matrix-card h3,.case-card h3,.news-card h3{font-size:18px;margin-bottom:9px}.mini-card p,.matrix-card p,.case-card p,.news-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .scene{min-height:210px;border-radius:18px;padding:26px;background-size:cover;background-position:center;position:relative;overflow:hidden}
        .scene:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,13,25,.95),rgba(5,13,25,.12))}
        .scene>*{position:relative;z-index:1}.scene h3{margin-top:82px;font-size:20px}.scene p{color:#b6c4d9;font-size:13px;margin:0}
        .matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.matrix-card{background:transparent}.matrix-card .tag{color:var(--cyan);font-size:12px}
        .badge-row{display:flex;gap:9px;flex-wrap:wrap}.badge-soft{border:1px solid var(--line);color:#bbc9df;border-radius:100px;padding:7px 12px;font-size:13px;background:rgba(255,255,255,.035)}
        .evidence{background:#0a1526}.evidence-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:42px;align-items:center}.evidence img{border-radius:20px;border:1px solid var(--line);height:300px;width:100%;object-fit:cover}.evidence-copy p{color:var(--muted)}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.step{padding:27px 22px 10px 0;border-right:1px solid var(--line);margin-right:22px}.step:last-child{border:0}.step-no{color:var(--orange);font:700 13px ui-monospace;margin-bottom:20px}.step h3{font-size:17px}.step p{color:var(--muted);font-size:13px}
        .case-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.case-card img{height:210px;width:100%;object-fit:cover;border-radius:13px;margin-bottom:20px}.case-card.large{padding:0;overflow:hidden}.case-card.large .case-body{padding:0 25px 25px}
        .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.news-card .date{color:var(--violet);font-size:12px;margin-bottom:18px}.news-card h3{line-height:1.45}
        .assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.assure-card{background:transparent}.assure-card strong{display:block;font-size:18px;margin-bottom:8px}.assure-card p{color:var(--muted);font-size:14px;margin:0}
        .faq-area{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px}.faq-area>div>p{color:var(--muted)}.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}.accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;padding:20px 0;font-weight:700}.accordion-button:after{filter:invert(1);opacity:.6}.accordion-body{color:var(--muted);padding:0 0 20px}
        .contact{background:linear-gradient(120deg,#111d36,#0b1729)}.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.contact-copy p{color:var(--muted);max-width:520px}.contact-form{display:grid;gap:12px}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);background:#081426;color:var(--ink);border-radius:11px;padding:13px 15px;outline:0}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(77,225,208,.1)}.contact-form textarea{min-height:100px;resize:vertical}.form-note{font-size:12px;color:var(--dim)}
        footer{padding:45px 0 25px;background:#050c18}.footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:32px;border-bottom:1px solid var(--line)}.footer-top p{color:var(--muted);max-width:420px;font-size:13px}.footer-links{display:flex;gap:22px;color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--cyan)}.copyright{padding-top:20px;color:var(--dim);font-size:12px;display:flex;justify-content:space-between;gap:20px}
        :focus-visible{outline:3px solid rgba(77,225,208,.5);outline-offset:3px}
        @media(max-width:992px){.nav-links{gap:0}.nav-action{display:none}.cap-grid,.evidence-grid,.case-layout,.contact-box,.faq-area{grid-template-columns:1fr}.hero{min-height:570px}.steps{grid-template-columns:repeat(2,1fr);gap:20px}.step{border-right:0;margin:0;border-bottom:1px solid var(--line)}}
        @media(max-width:768px){.nav-shell{min-height:66px;gap:12px}.brand-text{font-size:14px}.nav-links a{padding:8px 7px;font-size:13px}.nav-status{display:none}.hero-copy{font-size:16px}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.scene-grid,.matrix-grid,.news-grid,.assure-grid{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head p{margin-top:14px}.hero-code{font-size:11px}}
        @media(max-width:520px){.container{padding-left:18px;padding-right:18px}.nav-links a:nth-child(2){display:none}h1{font-size:42px}.hero{min-height:650px}.hero-row{align-items:stretch;flex-direction:column}.hero-row a{width:100%}.metric-grid,.mini-grid,.scene-grid,.matrix-grid,.news-grid,.assure-grid{grid-template-columns:1fr}.metric{border-right:0!important}.metric:nth-child(3){border-bottom:1px solid var(--line)}section{padding:68px 0}.steps{grid-template-columns:1fr}.footer-top,.copyright{display:block}.footer-links{margin-top:20px;flex-wrap:wrap}.copyright span{display:block;margin-top:8px}}

/* roulang page: category1 */
:root{
      --ink:#f3f7ff;--muted:#93a4bf;--dim:#657895;--bg:#07101f;--panel:#0e1a2d;
      --panel2:#111f35;--line:rgba(166,190,226,.16);--cyan:#4de1d0;--violet:#8f7cff;
      --orange:#ffb45c;--radius:22px;--shadow:0 20px 60px rgba(0,0,0,.22)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    .container{max-width:1180px;padding-left:22px;padding-right:22px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(7,16,31,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),var(--violet));position:relative;box-shadow:0 0 24px rgba(77,225,208,.22)}
    .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border:2px solid #07101f;border-radius:50%;left:12px;top:10px}
    .brand-text{font-size:17px}
    .nav-links{display:flex;align-items:center;gap:6px;margin:auto}
    .nav-links a{color:var(--muted);padding:9px 14px;border-radius:10px}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(143,124,255,.14)}
    .nav-status{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:12px;white-space:nowrap}
    .status-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    .nav-action{border:1px solid rgba(77,225,208,.35);color:var(--cyan);padding:9px 14px;border-radius:10px;font-size:13px}
    .nav-action:hover{background:var(--cyan);color:#06121e}
    .hero{position:relative;overflow:hidden;padding:105px 0 92px;background:linear-gradient(90deg,rgba(7,16,31,.98) 10%,rgba(7,16,31,.78) 55%,rgba(7,16,31,.9)),url('/assets/images/9ff28fa39988b2fb.png') center/cover}
    .hero:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 35%,rgba(143,124,255,.25),transparent 32%),radial-gradient(circle at 18% 85%,rgba(77,225,208,.12),transparent 30%)}
    .hero .container{position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:12px;letter-spacing:.12em;margin-bottom:19px}
    .eyebrow:before{content:"";width:22px;height:1px;background:var(--cyan)}
    h1{font-size:clamp(38px,6vw,70px);line-height:1.12;letter-spacing:-.055em;max-width:780px;margin:0 0 22px}
    .hero-copy{max-width:700px;color:#bdc9dc;font-size:18px;line-height:1.9;margin-bottom:30px}
    .hero-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
    .btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:13px 20px;font-weight:700;border:1px solid transparent}
    .btn-main{background:var(--cyan);color:#06141e;box-shadow:0 10px 28px rgba(77,225,208,.18)}
    .btn-main:hover{background:#8af4e8;color:#06141e;transform:translateY(-2px)}
    .btn-ghost{border-color:var(--line);color:var(--ink);background:rgba(255,255,255,.04)}
    .btn-ghost:hover{border-color:var(--violet);background:rgba(143,124,255,.13)}
    .hero-stack{position:relative;min-height:270px;margin-top:42px;max-width:650px}
    .stack-card{position:absolute;border:1px solid var(--line);border-radius:18px;background:rgba(12,26,45,.88);padding:22px;box-shadow:var(--shadow);backdrop-filter:blur(12px)}
    .stack-card.main-card{left:0;top:0;width:66%;z-index:2}
    .stack-card.side-one{right:0;top:34px;width:38%;z-index:1}
    .stack-card.side-two{left:18%;bottom:0;width:43%;z-index:3;background:rgba(20,33,57,.94)}
    .stack-label,.tag{color:var(--cyan);font-size:12px;letter-spacing:.08em}
    .stack-card strong{display:block;font-size:26px;margin:8px 0}
    .stack-card small{color:var(--muted)}
    section{padding:88px 0;border-bottom:1px solid var(--line)}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.18;letter-spacing:-.04em;margin:0 0 11px}
    .section-head p{color:var(--muted);max-width:600px;margin:0}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
    .metric{padding:25px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric b{display:block;font-size:30px;color:var(--cyan);line-height:1.2;margin-bottom:8px}
    .metric span{color:var(--muted);font-size:13px}
    .topic-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .topic-panel,.score-panel,.timeline-panel,.news-card,.faq-box,.contact-box{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}
    .topic-panel{padding:32px;min-height:300px;background:linear-gradient(145deg,#13243b,#0b1729)}
    .topic-panel h3{font-size:30px;max-width:470px;margin:10px 0 14px}
    .topic-panel p{color:var(--muted);max-width:530px}
    .topic-panel img{width:170px;height:170px;object-fit:cover;border-radius:18px;float:right;margin:0 0 15px 20px;opacity:.78}
    .score-panel{padding:28px}
    .score-title{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin-bottom:18px}
    .match{display:flex;align-items:center;justify-content:space-between;padding:17px 0;border-top:1px solid var(--line)}
    .match strong{font-size:15px}
    .match em{font-style:normal;color:var(--orange);font-size:12px}
    .match-score{font-weight:800;color:var(--cyan);font-size:19px}
    .matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .matrix-card{min-height:190px;padding:25px;border:1px solid var(--line);border-radius:18px;background:transparent;transition:.25s ease}
    .matrix-card:hover{transform:translateY(-5px);border-color:rgba(77,225,208,.5);background:var(--panel)}
    .matrix-card h3{font-size:19px;margin:18px 0 9px}
    .matrix-card p{color:var(--muted);font-size:14px;margin:0}
    .number{color:var(--violet);font:700 20px ui-monospace,monospace}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-left:1px solid var(--line)}
    .timeline-item{padding:0 24px 0 24px;border-right:1px solid var(--line);min-height:175px}
    .timeline-item:last-child{border-right:0}
    .timeline-item b{display:block;color:var(--orange);font-size:13px;margin-bottom:17px}
    .timeline-item h3{font-size:18px;margin-bottom:10px}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .evidence{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center}
    .evidence img{height:330px;width:100%;object-fit:cover;border-radius:20px;border:1px solid var(--line)}
    .evidence h2{font-size:clamp(29px,4vw,45px);line-height:1.2;letter-spacing:-.04em}
    .evidence p{color:var(--muted);font-size:16px}
    .badge-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}
    .badge-soft{border:1px solid var(--line);color:#bbc9df;border-radius:100px;padding:7px 12px;font-size:13px;background:rgba(255,255,255,.035)}
    .news-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .news-card{padding:25px;min-height:220px;transition:.25s ease}
    .news-card:hover{transform:translateY(-5px);border-color:rgba(143,124,255,.55)}
    .news-card.featured{padding:0;overflow:hidden}
    .news-card.featured img{height:175px;width:100%;object-fit:cover}
    .news-body{padding:22px}
    .news-card .date{color:var(--violet);font-size:12px;margin-bottom:15px}
    .news-card h3{font-size:19px;line-height:1.45;margin-bottom:10px}
    .news-card p{color:var(--muted);font-size:14px;margin:0}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px}
    .faq-intro p{color:var(--muted)}
    .faq-box{padding:10px 25px}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
    .accordion-item:last-child{border-bottom:0}
    .accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;padding:19px 0;font-weight:700}
    .accordion-button:after{filter:invert(1);opacity:.6}
    .accordion-body{color:var(--muted);padding:0 0 20px}
    .contact-box{padding:38px;display:flex;justify-content:space-between;align-items:center;gap:30px;background:linear-gradient(110deg,#12243b,#0d182b)}
    .contact-box h2{font-size:32px;margin:0 0 8px}
    .contact-box p{color:var(--muted);margin:0}
    footer{padding:45px 0 22px;background:#050c18}
    .footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px}
    footer .brand{margin-bottom:15px}
    footer p{max-width:390px;color:var(--muted);font-size:13px;margin:0}
    .footer-links{display:flex;gap:22px;color:var(--muted);font-size:13px;align-items:flex-start}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px;color:var(--dim);font-size:12px}
    a:focus-visible,button:focus-visible{outline:2px solid var(--orange);outline-offset:4px}
    @media(max-width:992px){
      .nav-shell{gap:15px}.nav-status{display:none}
      .topic-layout,.evidence,.faq-layout{grid-template-columns:1fr}
      .matrix-grid{grid-template-columns:repeat(2,1fr)}
      .news-grid{grid-template-columns:1fr 1fr}
      .news-card.featured{grid-column:span 2}
    }
    @media(max-width:768px){
      .nav-shell{min-height:68px;overflow-x:auto}.nav-links{margin-left:auto;margin-right:0}
      .nav-action{display:none}.brand-text{font-size:15px}
      .hero{padding:75px 0 65px}.hero-copy{font-size:16px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .timeline{grid-template-columns:1fr 1fr;gap:24px;border-left:0}
      .timeline-item{border-right:0;border-left:1px solid var(--line);padding-left:18px}
      .timeline-item:nth-child(odd){border-left-color:var(--cyan)}
      .contact-box{display:block}.contact-box .btn-main{margin-top:22px}
    }
    @media(max-width:520px){
      .container{padding-left:17px;padding-right:17px}
      section{padding:65px 0}.section-head{display:block}
      .section-head p{margin-top:15px}
      h1{font-size:40px}.hero-stack{min-height:350px}
      .stack-card.main-card{width:86%}.stack-card.side-one{width:62%;top:105px}.stack-card.side-two{width:68%;left:5%;bottom:0}
      .matrix-grid,.news-grid{grid-template-columns:1fr}
      .news-card.featured{grid-column:auto}.timeline{grid-template-columns:1fr}
      .timeline-item{min-height:auto;padding-bottom:22px}
      .footer-top,.copyright{display:block}.footer-links{margin-top:25px;flex-wrap:wrap}.copyright span{display:block;margin-top:8px}
    }

/* 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}