/* roulang page: index */
:root{
      --ink:#172338;
      --navy:#101b31;
      --blue:#2558c7;
      --blue-dark:#1b3e91;
      --sky:#eef4ff;
      --gold:#e9b95d;
      --gold-soft:#fff5dc;
      --muted:#68758a;
      --line:#e5eaf2;
      --paper:#ffffff;
      --bg:#f7f9fc;
      --radius:18px;
      --shadow:0 14px 38px rgba(25,48,92,.09);
      --shadow-hover:0 20px 45px rgba(25,48,92,.15);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{max-width:1180px;margin:auto;padding-left:20px;padding-right:20px}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(16,27,49,.97);box-shadow:0 5px 24px rgba(8,18,38,.16)}
    .navbar{min-height:76px}
    .navbar-brand{font-size:24px;font-weight:800;letter-spacing:.08em;color:#fff!important}
    .brand-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--gold);margin:0 8px 3px 0}
    .navbar-nav .nav-link{color:#dce5f6!important;padding:9px 17px!important;border-radius:10px;font-weight:500}
    .navbar-nav .nav-link:hover,.navbar-nav .nav-link.active{color:#fff!important;background:rgba(255,255,255,.1)}
    .nav-action{color:#1b2b48!important;background:var(--gold);font-weight:700;border-radius:10px;padding:10px 17px;display:inline-block}
    .nav-action:hover{background:#f5cf81;transform:translateY(-1px)}
    .navbar-toggler{border:1px solid rgba(255,255,255,.3);padding:7px 9px}
    .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(233,185,93,.28)}
    .hero{padding:82px 0 76px;background:linear-gradient(115deg,#f8fbff 0%,#edf3ff 62%,#fdfbf5 100%);overflow:hidden}
    .hero-copy{padding:18px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px}
    .eyebrow::before{content:"";width:26px;height:2px;background:var(--gold)}
    h1,h2,h3,h4{font-weight:800;letter-spacing:-.03em;line-height:1.3}
    h1{font-size:clamp(36px,5vw,62px);margin:0 0 22px;max-width:700px}
    h2{font-size:clamp(26px,3vw,38px);margin:0 0 13px}
    h3{font-size:19px;margin:0 0 9px}
    .hero-copy p{font-size:17px;color:#536176;max-width:650px;margin:0 0 30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn-main,.btn-outline,.btn-small{border-radius:11px;padding:12px 21px;font-weight:700;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:7px}
    .btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(37,88,199,.22)}
    .btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(37,88,199,.3)}
    .btn-outline{background:#fff;color:var(--blue);border-color:#cbd8f3}
    .btn-outline:hover{background:var(--sky);color:var(--blue-dark);border-color:var(--blue)}
    .hero-panel{background:var(--navy);border-radius:24px;padding:27px;box-shadow:0 22px 50px rgba(16,27,49,.2);position:relative}
    .hero-panel::after{content:"PG";position:absolute;right:18px;bottom:3px;color:rgba(255,255,255,.035);font-size:100px;font-weight:900}
    .panel-title{color:#fff;font-size:18px;font-weight:700;margin-bottom:20px}
    .quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;z-index:1}
    .quick-link{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);padding:18px 15px;border-radius:14px;color:#fff}
    .quick-link:hover{background:rgba(255,255,255,.15);border-color:rgba(233,185,93,.7);transform:translateY(-3px)}
    .quick-link strong{display:block;font-size:16px;margin-bottom:4px}
    .quick-link span{display:block;color:#adbad0;font-size:12px}
    .panel-foot{margin-top:18px;padding-top:15px;border-top:1px solid rgba(255,255,255,.12);color:#bdc9dc;font-size:13px}
    section{padding:82px 0}
    .section-head{max-width:710px;margin-bottom:34px}
    .section-head p{color:var(--muted);margin:0;font-size:16px}
    .section-kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:8px}
    .soft-section{background:#fff}
    .category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .category-card{padding:24px 20px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);min-height:190px;transition:all .25s ease}
    .category-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#c4d3f2}
    .category-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:12px;background:var(--sky);color:var(--blue);font-weight:900;font-size:19px;margin-bottom:18px}
    .category-card p,.feature-card p,.story p{color:var(--muted);font-size:14px;margin:0}
    .feature-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .feature-main{background:var(--navy);color:#fff;border-radius:var(--radius);padding:32px;min-height:290px;position:relative;overflow:hidden}
    .feature-main::before{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(233,185,93,.3);border-radius:50%;right:-60px;top:-45px}
    .feature-main p{color:#bcc8dc;max-width:500px}
    .feature-label{color:var(--gold);font-size:13px;font-weight:700;margin-bottom:16px}
    .feature-side{display:grid;gap:16px}
    .mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;align-items:flex-start;gap:16px}
    .mini-number{font-size:27px;font-weight:900;color:var(--blue);line-height:1}
    .mini-card p{margin:0;color:var(--muted);font-size:14px}
    .content-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .news-list,.ranking-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
    .news-item{display:flex;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0;padding-bottom:0}
    .news-date{color:var(--blue);font-size:12px;font-weight:800;min-width:52px;padding-top:3px}
    .news-item h3{font-size:16px;margin-bottom:3px}
    .news-item p{margin:0;color:var(--muted);font-size:13px}
    .rank-item{display:flex;align-items:center;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}
    .rank-item:last-child{border:0}
    .rank-num{width:27px;height:27px;border-radius:8px;background:#eef2f8;display:grid;place-items:center;font-weight:800;color:#536176}
    .rank-item:nth-child(2) .rank-num{background:var(--gold-soft);color:#9b701e}
    .rank-text{flex:1;font-weight:700}
    .rank-text small{display:block;color:var(--muted);font-weight:400;font-size:12px}
    .rank-value{color:var(--blue);font-weight:800;font-size:13px}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .scene-card{padding:25px;background:#f4f7fc;border-radius:var(--radius);border:1px solid #e8edf6}
    .scene-card h3{color:var(--blue)}
    .scene-card p{color:var(--muted);font-size:14px;margin:0}
    .evidence-band{background:var(--navy);color:#fff}
    .evidence-band .section-head p{color:#b8c5d9}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.15);border-radius:18px;overflow:hidden}
    .stat{padding:27px 20px;background:rgba(255,255,255,.045)}
    .stat strong{display:block;color:var(--gold);font-size:34px;line-height:1.2;margin-bottom:5px}
    .stat span{color:#c4cede;font-size:13px}
    .story-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .story{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
    .story-tag{color:var(--blue);font-size:12px;font-weight:800;background:var(--sky);padding:5px 9px;border-radius:6px;display:inline-block;margin-bottom:14px}
    .partner-row{display:flex;flex-wrap:wrap;gap:12px}
    .partner{background:#fff;border:1px solid var(--line);padding:15px 23px;border-radius:11px;color:#536176;font-weight:700}
    .partner:hover{color:var(--blue);border-color:#b9cbed;background:#fbfdff}
    .guarantee{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .guarantee-item{padding:24px;background:var(--gold-soft);border-radius:var(--radius);border:1px solid #f5e4bc}
    .guarantee-item b{display:block;font-size:17px;margin-bottom:8px}
    .guarantee-item p{margin:0;color:#766647;font-size:14px}
    .updates{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .update-card{background:#fff;border-radius:var(--radius);padding:22px;border:1px solid var(--line)}
    .update-card .date{font-size:12px;color:var(--blue);font-weight:800}
    .update-card p{margin:10px 0 0;color:var(--muted);font-size:14px}
    .final-cta{padding:68px 0;background:#edf3ff}
    .cta-box{background:var(--blue);color:#fff;border-radius:24px;padding:42px 46px;display:flex;justify-content:space-between;align-items:center;gap:25px;box-shadow:0 18px 40px rgba(37,88,199,.2)}
    .cta-box h2{margin-bottom:8px}
    .cta-box p{color:#d7e2fb;margin:0;max-width:620px}
    .cta-box .btn-main{background:var(--gold);color:#1c2b45;box-shadow:none;white-space:nowrap}
    .cta-box .btn-main:hover{background:#f5cf81;color:#172338}
    footer{background:#101b31;color:#adbad0;padding:50px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{color:#fff;font-size:22px;font-weight:800;margin-bottom:10px}
    .footer-desc{max-width:470px;font-size:13px;line-height:1.8}
    .footer-links{display:flex;gap:25px;align-items:flex-start}
    .footer-links a{color:#c7d2e5;font-size:14px}
    .footer-links a:hover{color:var(--gold)}
    .copyright{font-size:12px;padding-top:21px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    :focus-visible{outline:3px solid rgba(233,185,93,.8);outline-offset:3px}
    @media(max-width:991px){
      .category-grid{grid-template-columns:repeat(2,1fr)}
      .feature-wrap,.content-grid{grid-template-columns:1fr}
      .stats{grid-template-columns:repeat(2,1fr)}
      .navbar-nav{padding:15px 0}
      .nav-action{display:inline-block;margin-top:7px}
    }
    @media(max-width:767px){
      section{padding:60px 0}
      .hero{padding:55px 0 50px}
      h1{font-size:38px}
      .hero-panel{margin-top:18px;padding:22px}
      .scene-grid,.guarantee,.updates,.story-grid{grid-template-columns:1fr}
      .cta-box{display:block;padding:30px 25px}
      .cta-box .btn-main{margin-top:22px}
      .footer-top{display:block}
      .footer-links{margin-top:23px;flex-wrap:wrap}
    }
    @media(max-width:520px){
      .category-grid{grid-template-columns:1fr}
      .quick-grid{grid-template-columns:1fr}
      .stats{grid-template-columns:1fr 1fr}
      .stat{padding:21px 14px}
      .stat strong{font-size:27px}
      .hero-actions .btn-main,.hero-actions .btn-outline{width:100%}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
    }

/* roulang page: category1 */
:root{
      --ink:#172338;
      --navy:#101b31;
      --blue:#2558c7;
      --blue-dark:#1b3e91;
      --sky:#eef4ff;
      --gold:#e9b95d;
      --gold-soft:#fff5dc;
      --muted:#68758a;
      --line:#e5eaf2;
      --paper:#fff;
      --bg:#f7f9fc;
      --radius:18px;
      --shadow:0 14px 38px rgba(25,48,92,.09);
      --shadow-hover:0 20px 45px rgba(25,48,92,.15);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    .container{max-width:1180px;margin:auto;padding-left:20px;padding-right:20px}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(16,27,49,.98);box-shadow:0 5px 24px rgba(8,18,38,.16)}
    .navbar{min-height:76px}
    .navbar-brand{font-size:24px;font-weight:800;letter-spacing:.08em;color:#fff!important}
    .brand-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--gold);margin:0 8px 3px 0}
    .navbar-nav .nav-link{color:#dce5f6!important;padding:9px 17px!important;border-radius:10px;font-weight:500}
    .navbar-nav .nav-link:hover,.navbar-nav .nav-link.active{color:#fff!important;background:rgba(255,255,255,.1)}
    .nav-action{color:#1b2b48!important;background:var(--gold);font-weight:700;border-radius:10px;padding:10px 17px;display:inline-block}
    .nav-action:hover{background:#f5cf81;transform:translateY(-1px)}
    .navbar-toggler{border:1px solid rgba(255,255,255,.3);padding:7px 9px}
    .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(233,185,93,.28)}
    .hero{padding:76px 0 70px;background:#edf3ff;position:relative;overflow:hidden}
    .hero:after{content:"PG";position:absolute;right:7%;bottom:-54px;font-size:210px;line-height:1;font-weight:900;color:rgba(37,88,199,.045);pointer-events:none}
    .hero-copy{position:relative;z-index:1;padding:12px 0}
    .eyebrow,.section-kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--gold)}
    h1,h2,h3,p{overflow-wrap:anywhere}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.16;letter-spacing:0;margin:0 0 20px;font-weight:850}
    h2{font-size:clamp(27px,3vw,38px);line-height:1.3;margin:0 0 13px;font-weight:800}
    h3{font-size:19px;line-height:1.4;margin:0 0 8px;font-weight:750}
    .hero-copy p{font-size:17px;color:#536176;max-width:665px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn-main,.btn-outline,.btn-small{border-radius:11px;padding:12px 21px;font-weight:700;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:7px}
    .btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(37,88,199,.22)}
    .btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(37,88,199,.3)}
    .btn-outline{background:#fff;color:var(--blue);border-color:#cbd8f3}
    .btn-outline:hover{background:var(--sky);color:var(--blue-dark);border-color:var(--blue)}
    .hero-visual{height:355px;border-radius:24px;overflow:hidden;position:relative;background:var(--navy);box-shadow:0 22px 50px rgba(16,27,49,.2)}
    .hero-visual img{width:100%;height:100%;object-fit:cover;opacity:.48}
    .visual-overlay{position:absolute;inset:0;padding:26px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(180deg,rgba(16,27,49,.28),rgba(16,27,49,.9))}
    .visual-top{display:flex;justify-content:space-between;align-items:center;color:#fff}
    .visual-label{font-size:12px;color:var(--gold);font-weight:800;letter-spacing:.1em}
    .level-badge{padding:7px 12px;border:1px solid rgba(233,185,93,.65);border-radius:20px;color:#ffe2a1;font-size:12px}
    .visual-bottom h2{font-size:27px;color:#fff;margin-bottom:7px}
    .visual-bottom p{color:#c7d2e4;margin:0;max-width:390px}
    section{padding:78px 0}
    .soft-section{background:#fff}
    .section-head{max-width:710px;margin-bottom:32px}
    .section-head p{color:var(--muted);font-size:16px;margin:0}
    .section-kicker{margin-bottom:9px}
    .metric-strip{margin-top:-28px;position:relative;z-index:3}
    .metric-inner{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
    .metric{padding:23px 25px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;color:var(--blue);font-size:28px;line-height:1.2;margin-bottom:4px}
    .metric span{color:var(--muted);font-size:13px}
    .feature-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .feature-main{background:var(--navy);color:#fff;border-radius:var(--radius);padding:34px;min-height:285px;position:relative;overflow:hidden}
    .feature-main:after{content:"01";position:absolute;right:24px;bottom:-10px;color:rgba(255,255,255,.07);font-size:122px;font-weight:900}
    .feature-main>*{position:relative;z-index:1}
    .feature-label{color:var(--gold);font-size:13px;font-weight:700;margin-bottom:17px}
    .feature-main p{color:#bcc8dc;max-width:495px}
    .feature-side{display:grid;gap:16px}
    .mini-card,.category-card,.news-list,.quote-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
    .mini-card{padding:22px;display:flex;align-items:flex-start;gap:16px}
    .mini-card:hover,.category-card:hover,.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c4d3f2}
    .mini-card p,.category-card p,.quote-card p{margin:0;color:var(--muted);font-size:14px}
    .icon-box{width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--sky);color:var(--blue);display:grid;place-items:center;font-weight:800}
    .category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .category-card{padding:25px;min-height:190px;transition:all .25s ease}
    .category-card .card-index{color:var(--gold);font-weight:800;font-size:12px;letter-spacing:.08em;margin-bottom:22px}
    .category-card h3{color:var(--blue)}
    .comparison{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
    .comparison-panel{padding:29px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
    .comparison-panel.dark{background:var(--navy);color:#fff;border-color:var(--navy)}
    .comparison-panel.dark p{color:#c3cee0}
    .comparison-list{list-style:none;padding:0;margin:22px 0 0}
    .comparison-list li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;gap:10px}
    .dark .comparison-list li{border-color:rgba(255,255,255,.13)}
    .comparison-list li:last-child{border-bottom:0}
    .check{color:var(--blue);font-weight:900}
    .dark .check{color:var(--gold)}
    .content-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .news-list{padding:24px}
    .news-item{display:flex;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
    .news-item:first-child{padding-top:0}
    .news-item:last-child{border-bottom:0;padding-bottom:0}
    .news-date{width:66px;flex:0 0 66px;color:var(--blue);font-weight:800;font-size:12px}
    .news-item h3{font-size:16px;margin-bottom:4px}
    .news-item p{margin:0;color:var(--muted);font-size:13px}
    .quote-card{padding:28px;display:flex;flex-direction:column;justify-content:space-between}
    .quote-mark{color:var(--gold);font-size:42px;line-height:1}
    .quote-card blockquote{font-size:18px;line-height:1.65;margin:8px 0 22px;font-weight:650}
    .quote-card cite{font-size:13px;color:var(--muted);font-style:normal}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .faq-item{padding:21px 23px}
    .faq-item h3{font-size:16px;margin-bottom:7px}
    .faq-item p{margin:0;color:var(--muted);font-size:14px}
    .final-cta{padding:63px 0;background:#edf3ff}
    .cta-box{background:var(--blue);color:#fff;border-radius:24px;padding:39px 45px;display:flex;justify-content:space-between;align-items:center;gap:25px;box-shadow:0 18px 40px rgba(37,88,199,.2)}
    .cta-box h2{margin-bottom:7px}
    .cta-box p{color:#d7e2fb;margin:0}
    .cta-box .btn-outline{border-color:rgba(255,255,255,.55);background:transparent;color:#fff}
    .cta-box .btn-outline:hover{background:#fff;color:var(--blue)}
    footer{background:var(--navy);color:#fff;padding:45px 0 22px}
    .footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{font-size:21px;font-weight:800;letter-spacing:.06em;margin-bottom:11px}
    .footer-desc{color:#aebbd0;max-width:440px;font-size:14px}
    .footer-links{display:flex;gap:23px;flex-wrap:wrap;align-content:flex-start}
    .footer-links a{color:#dce5f6;font-size:14px}
    .footer-links a:hover{color:var(--gold)}
    .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:19px;color:#8594aa;font-size:12px}
    :focus-visible{outline:3px solid rgba(233,185,93,.8);outline-offset:3px}
    @media (max-width:1024px){
      .hero{padding-top:62px}
      .category-grid{grid-template-columns:repeat(2,1fr)}
      .feature-wrap,.content-grid{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .navbar{min-height:68px}
      .navbar-collapse{padding:15px 0 8px}
      .nav-action{margin-top:8px}
      .hero{padding:54px 0 58px}
      .hero-visual{height:300px;margin-top:28px}
      section{padding:60px 0}
      .metric-inner{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .comparison,.faq-grid{grid-template-columns:1fr}
      .cta-box{padding:31px 25px;display:block}
      .cta-box .hero-actions{margin-top:22px}
      .footer-top,.copyright{display:block}
      .footer-links{margin-top:24px}
      .copyright span{display:block;margin-top:7px}
    }
    @media (max-width:520px){
      .container{padding-left:16px;padding-right:16px}
      h1{font-size:38px}
      .hero-copy p{font-size:15px}
      .category-grid{grid-template-columns:1fr}
      .metric{padding:18px 15px}
      .metric strong{font-size:23px}
      .hero-visual{height:270px}
      .feature-main,.comparison-panel{padding:25px}
      .news-item{gap:10px}
      .news-date{width:55px;flex-basis:55px}
      .hero-actions .btn-main,.hero-actions .btn-outline{width:100%}
    }

/* 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}