/* roulang page: index */
:root{
  --primary:#6d3df5;
  --primary-deep:#4720b8;
  --primary-soft:#eee9ff;
  --mint:#63e6c1;
  --ink:#171522;
  --muted:#6e6a7d;
  --line:#e8e4f0;
  --paper:#fbfaff;
  --white:#fff;
  --dark:#171127;
  --radius:16px;
  --shadow:0 16px 46px rgba(48,30,96,.10);
  --shadow-hover:0 20px 52px rgba(64,36,137,.17);
  --ease:all .28s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;max-width:100%}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(1200px,calc(100% - 48px));margin:0 auto}
.topline{background:var(--dark);color:#e9e4fb;font-size:13px}
.topline-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.notice{display:flex;align-items:center;gap:10px;white-space:nowrap}
.notice em{font-style:normal;color:var(--mint);font-weight:700}
.notice-link{color:#fff;font-weight:700}
.notice-link:hover{color:var(--mint)}
.site-header{height:78px;background:rgba(251,250,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.header-inner{height:100%;display:flex;align-items:center;gap:32px}
.logo{display:flex;align-items:center;gap:11px;min-width:238px}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,var(--primary),#a477ff);position:relative;box-shadow:0 6px 14px rgba(109,61,245,.28)}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:3px}
.logo-mark:before{width:17px;height:5px;left:10px;top:10px;transform:rotate(-35deg)}
.logo-mark:after{width:17px;height:5px;left:10px;top:20px;transform:rotate(35deg)}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.5px}
.logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.5px;font-weight:600}
.nav{display:flex;align-items:center;gap:7px;flex:1}
.nav a{padding:9px 14px;border-radius:9px;color:#565164;font-size:14px;font-weight:650;white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--primary);background:var(--primary-soft)}
.header-actions{display:flex;align-items:center;gap:13px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:10px;font-weight:750;font-size:14px;transition:var(--ease)}
.btn-primary{color:#fff;background:var(--primary);box-shadow:0 8px 18px rgba(109,61,245,.22)}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 11px 23px rgba(109,61,245,.3)}
.btn-secondary{color:var(--primary);background:#fff;border:1px solid #dcd3f6}
.btn-secondary:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}
.menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:5px}
.hero{background:var(--dark);color:#fff;overflow:hidden;position:relative}
.hero:before{content:"";position:absolute;width:650px;height:650px;border-radius:50%;background:radial-gradient(circle,rgba(109,61,245,.52),transparent 67%);right:-130px;top:-250px}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(90deg,#000,transparent 80%)}
.hero-inner{min-height:610px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:65px;position:relative;z-index:1;padding:70px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:750;letter-spacing:.4px;margin-bottom:19px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--mint)}
.hero h1{font-size:clamp(34px,4.3vw,62px);line-height:1.15;letter-spacing:-2px;max-width:650px;margin-bottom:22px}
.hero h1 span{color:#a98aff}
.hero-copy{color:#c5bed8;max-width:580px;font-size:17px;line-height:1.9;margin-bottom:30px}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-secondary{background:transparent;color:#fff;border-color:#64577f}
.hero .btn-secondary:hover{background:#302449;border-color:#9279ef}
.hero-visual{min-height:390px;position:relative;display:flex;align-items:center;justify-content:center}
.energy-orbit{width:370px;height:370px;border:1px solid rgba(157,126,255,.38);border-radius:50%;position:relative;transform:rotate(-20deg)}
.energy-orbit:before,.energy-orbit:after{content:"";position:absolute;border:1px solid rgba(99,230,193,.5);border-radius:50%;inset:35px;transform:rotate(52deg)}
.energy-orbit:after{inset:75px;border-color:rgba(255,255,255,.25);transform:rotate(110deg)}
.visual-core{position:absolute;width:210px;height:240px;border-radius:24px;background:linear-gradient(145deg,#302052,#6e3df4 58%,#9b7cff);box-shadow:0 26px 70px rgba(83,45,207,.52);display:flex;flex-direction:column;justify-content:space-between;padding:22px;transform:rotate(8deg)}
.core-top{display:flex;justify-content:space-between;color:#dcd4f8;font-size:12px}
.core-icon{height:100px;border-radius:14px;background:linear-gradient(135deg,rgba(99,230,193,.8),rgba(164,116,255,.25));position:relative;overflow:hidden}
.core-icon:after{content:"PG";position:absolute;right:17px;bottom:5px;color:#fff;font-size:45px;font-weight:900;opacity:.72}
.core-lines span{display:block;height:5px;background:rgba(255,255,255,.38);border-radius:5px;margin-top:8px}
.core-lines span:nth-child(2){width:65%}
.float-tag{position:absolute;background:#fff;color:var(--ink);padding:11px 14px;border-radius:10px;box-shadow:var(--shadow);font-size:12px;font-weight:700}
.float-tag strong{display:block;font-size:18px;color:var(--primary)}
.tag-one{top:37px;right:0}.tag-two{bottom:32px;left:10px}
.section{padding:104px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:38px}
.section-kicker{font-size:12px;color:var(--primary);font-weight:800;letter-spacing:1.7px;margin-bottom:8px}
.section-title{font-size:34px;line-height:1.25;letter-spacing:-1px}
.section-desc{color:var(--muted);max-width:515px;margin-top:11px}
.text-link{color:var(--primary);font-weight:750;font-size:14px;white-space:nowrap}
.text-link:hover{color:var(--primary-deep);padding-right:4px}
.product-area{background:#f3f0fb}
.product-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.product-feature{min-height:385px;border-radius:var(--radius);padding:34px;position:relative;overflow:hidden;color:#fff;background:linear-gradient(125deg,#24163d,#5733b8 58%,#7653dc)}
.product-feature:before{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-50px;bottom:-110px}
.product-feature:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(99,230,193,.42);border-radius:50%;right:55px;bottom:-45px}
.product-feature>*{position:relative;z-index:1}
.badge{display:inline-flex;padding:5px 10px;border-radius:6px;color:var(--primary);background:var(--primary-soft);font-size:12px;font-weight:800}
.badge.mint{color:#193d36;background:#c9f8e9}
.product-feature h3{font-size:30px;margin:44px 0 10px}
.product-feature p{color:#ddd5f3;max-width:390px;margin-bottom:27px}
.product-list{display:flex;flex-direction:column;gap:12px}
.product-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:19px 20px;display:flex;align-items:center;gap:16px;transition:var(--ease)}
.product-item:hover{border-color:#c6b8f5;transform:translateX(4px);box-shadow:var(--shadow)}
.product-symbol{width:52px;height:52px;border-radius:13px;background:#eee9ff;color:var(--primary);display:grid;place-items:center;font-weight:900;font-size:20px;flex:none}
.product-item h4{font-size:16px;margin-bottom:3px}.product-item p{font-size:13px;color:var(--muted);line-height:1.5}
.product-arrow{margin-left:auto;color:var(--primary);font-size:20px}
.download-section{background:#fff}
.download-box{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center;background:linear-gradient(120deg,#f0ebff,#fbfffd);border:1px solid #ded5f9;border-radius:22px;padding:52px 58px;overflow:hidden}
.download-box h2{font-size:36px;line-height:1.3;margin:12px 0 15px}
.download-box p{color:var(--muted);max-width:480px}
.download-meta{display:flex;gap:9px;flex-wrap:wrap;margin:24px 0}
.platform{font-size:12px;font-weight:700;border:1px solid #d9d1ef;background:#fff;padding:6px 10px;border-radius:7px}
.download-visual{display:flex;align-items:center;justify-content:center;gap:27px;min-height:270px}
.device{width:148px;height:275px;border:7px solid #292333;border-radius:25px;background:linear-gradient(150deg,#5630bd,#a489ff);padding:34px 12px 15px;box-shadow:0 20px 40px rgba(69,40,144,.2);position:relative}
.device:before{content:"";position:absolute;width:43px;height:5px;border-radius:5px;background:#292333;top:12px;left:45px}
.device-screen{height:100%;border-radius:12px;background:linear-gradient(180deg,rgba(99,230,193,.8),rgba(255,255,255,.08));position:relative}
.device-screen:after{content:"PG电子";position:absolute;bottom:17px;left:15px;color:#fff;font-weight:800}
.qr-box{width:128px;height:128px;border:9px solid #fff;background:repeating-linear-gradient(45deg,#292333 0 4px,#fff 4px 8px);box-shadow:0 7px 23px rgba(34,22,65,.13);position:relative}
.qr-box:after{content:"扫码获取";position:absolute;top:143px;left:7px;white-space:nowrap;color:var(--muted);font-size:12px}
.news-section{background:var(--paper)}
.news-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.feature-news{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:30px;min-height:300px;display:flex;flex-direction:column;justify-content:space-between}
.news-label{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
.feature-news h3{font-size:25px;line-height:1.45;margin:25px 0 10px}
.feature-news p{color:var(--muted);font-size:14px}
.news-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.news-row{display:grid;grid-template-columns:78px 1fr 20px;align-items:center;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.news-date{font-size:12px;color:var(--muted);line-height:1.35}.news-date strong{display:block;color:var(--primary);font-size:20px}
.news-row h4{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.news-row p{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-arrow{color:var(--primary);font-size:19px}
.empty-state{grid-column:1/-1;padding:38px;text-align:center;border:1px dashed #cfc7e7;border-radius:14px;color:var(--muted);background:#fff}
.info-strip{background:var(--dark);color:#fff;padding:76px 0}
.info-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:center}
.info-strip .section-kicker{color:var(--mint)}.info-strip .section-title{color:#fff}
.info-strip .section-desc{color:#bdb4d2}
.info-points{display:grid;grid-template-columns:1fr 1fr;gap:27px 45px}
.info-point{border-top:1px solid #493c60;padding-top:17px}.info-point strong{display:block;color:var(--mint);font-size:26px;margin-bottom:3px}.info-point span{font-size:14px;color:#c2b9d2}
.faq-section{background:#fff}
.faq-list{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:transparent;text-align:left;padding:22px 4px;display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-weight:750}
.faq-q span:last-child{font-size:22px;color:var(--primary);transition:var(--ease)}
.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.faq-a{display:none;color:var(--muted);font-size:14px;line-height:1.8;padding:0 45px 22px 4px}
.faq-item.open .faq-a{display:block}
.cta{padding:84px 0;background:linear-gradient(120deg,#ece6ff,#dffff4)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:32px;line-height:1.35}.cta p{color:var(--muted);margin-top:8px}.cta-actions{display:flex;gap:11px;flex:none}
.site-footer{background:#171127;color:#c5bdd5;padding:55px 0 24px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px;border-bottom:1px solid #3a304b}
.footer-brand p{font-size:13px;line-height:1.8;color:#9187a5;max-width:280px;margin-top:15px}
.footer-title{color:#fff;font-size:14px;margin-bottom:15px}.footer-links{display:flex;flex-direction:column;gap:9px;font-size:13px}.footer-links a:hover{color:var(--mint)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;color:#827994}
.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){
 .header-inner{gap:16px}.logo{min-width:205px}.nav a{padding:8px 8px;font-size:13px}
 .hero-inner{gap:30px}.download-box{padding:42px}.footer-top{grid-template-columns:1.3fr 1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(100% - 36px,600px)}.topline-inner{padding:8px 0;display:block}.notice{justify-content:center;white-space:normal;text-align:center}
 .site-header{height:68px}.nav{display:none;position:absolute;left:18px;right:18px;top:74px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.show{display:flex}.nav a{padding:12px 14px}
 .logo{min-width:0;flex:1}.logo-text{font-size:15px}.logo-text small{display:none}.header-actions .btn{padding:0 13px}.menu-toggle{display:block}
 .hero-inner{grid-template-columns:1fr;padding:65px 0 75px;min-height:auto}.hero h1{letter-spacing:-1px}.hero-copy{font-size:15px}.hero-visual{min-height:330px;margin-top:18px}
 .section{padding:75px 0}.section-head{display:block;margin-bottom:27px}.section-head .text-link{display:inline-block;margin-top:16px}.section-title{font-size:29px}
 .product-layout,.news-layout,.download-box,.info-layout{grid-template-columns:1fr}.product-feature{min-height:330px}.download-box{padding:31px 25px;gap:20px}.download-box h2{font-size:30px}.download-visual{min-height:250px}
 .info-layout{gap:38px}.cta-inner{display:block}.cta-actions{margin-top:24px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
 .container{width:calc(100% - 28px)}.header-actions .btn{display:none}.hero h1{font-size:34px}.hero-buttons .btn{width:100%}.energy-orbit{width:285px;height:285px}.visual-core{width:170px;height:205px}.float-tag{transform:scale(.85)}.tag-one{right:-5px}.tag-two{left:-8px}
 .product-feature h3{font-size:25px;margin-top:34px}.news-row{grid-template-columns:62px 1fr 15px}.news-row h4{font-size:14px}.download-visual{gap:13px}.device{width:128px;height:240px}.qr-box{width:105px;height:105px}
 .info-points{grid-template-columns:1fr;gap:20px}.cta h2{font-size:27px}.cta-actions{display:grid;grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
}

/* roulang page: article */
:root{
      --primary:#6d3df5;
      --primary-deep:#4720b8;
      --primary-soft:#eee9ff;
      --mint:#63e6c1;
      --ink:#171522;
      --muted:#6e6a7d;
      --line:#e8e4f0;
      --paper:#fbfaff;
      --white:#fff;
      --dark:#171127;
      --radius:16px;
      --shadow:0 16px 46px rgba(48,30,96,.10);
      --shadow-hover:0 20px 52px rgba(64,36,137,.17);
      --ease:all .28s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(99,230,193,.9);outline-offset:3px}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:rgba(251,250,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:32px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px}
    .logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,var(--primary),#a477ff);position:relative;box-shadow:0 6px 14px rgba(109,61,245,.28)}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:3px}
    .logo-mark:before{width:17px;height:5px;left:10px;top:10px;transform:rotate(-35deg)}
    .logo-mark:after{width:17px;height:5px;left:10px;top:20px;transform:rotate(35deg)}
    .logo-text{font-size:17px;font-weight:800;letter-spacing:-.5px}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.5px;font-weight:600}
    .nav{display:flex;align-items:center;gap:7px;flex:1}
    .nav a{padding:9px 14px;border-radius:9px;color:#565164;font-size:14px;font-weight:650;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--primary);background:var(--primary-soft)}
    .header-actions{display:flex;align-items:center;gap:13px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:10px;font-weight:750;font-size:14px;transition:var(--ease)}
    .btn-primary{color:#fff;background:var(--primary);box-shadow:0 8px 18px rgba(109,61,245,.22)}
    .btn-primary:hover{color:#fff;background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 11px 23px rgba(109,61,245,.3)}
    .btn-secondary{color:var(--primary);background:#fff;border:1px solid #dcd3f6}
    .btn-secondary:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:5px}
    .notice-bar{background:var(--dark);color:#d6cfee;font-size:13px}
    .notice-inner{min-height:38px;display:flex;align-items:center;justify-content:center;gap:12px}
    .notice-inner strong{color:var(--mint);font-weight:750}
    .crumb-wrap{background:#f1eef9;border-bottom:1px solid var(--line)}
    .breadcrumbs{min-height:58px;display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;overflow:hidden;white-space:nowrap}
    .breadcrumbs a{color:var(--primary)}
    .breadcrumbs .current{overflow:hidden;text-overflow:ellipsis}
    .article-hero{padding:74px 0 64px;background:linear-gradient(135deg,#f4f0ff 0%,#fbfaff 60%,#e9fff8 100%);border-bottom:1px solid var(--line)}
    .article-hero-inner{max-width:900px;margin:0 auto;text-align:center}
    .badge{display:inline-flex;align-items:center;padding:6px 12px;border-radius:7px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:800}
    .article-hero h1{margin:20px auto 18px;font-size:clamp(31px,4.5vw,54px);line-height:1.25;letter-spacing:-1.5px}
    .article-summary{max-width:760px;margin:0 auto;color:var(--muted);font-size:17px;line-height:1.9}
    .article-meta{display:flex;justify-content:center;align-items:center;gap:18px;flex-wrap:wrap;margin-top:24px;color:#817b91;font-size:13px}
    .meta-dot{width:4px;height:4px;background:var(--mint);border-radius:50%}
    .article-section{padding:78px 0 105px}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 260px;gap:58px;align-items:start;max-width:1140px;margin:0 auto}
    .article-content{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(27px,5vw,62px);box-shadow:var(--shadow);font-size:17px;line-height:2}
    .article-content h2{margin:38px 0 15px;font-size:28px;line-height:1.4;color:var(--ink)}
    .article-content h3{margin:30px 0 12px;font-size:21px;line-height:1.5}
    .article-content p{margin:0 0 22px}
    .article-content ul,.article-content ol{padding-left:1.6em;margin:0 0 24px}
    .article-content li{margin:7px 0}
    .article-content img{border-radius:12px;margin:30px auto 10px}
    .article-content blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--primary);background:var(--primary-soft);color:#51466d;border-radius:0 10px 10px 0}
    .article-content table{width:100%;border-collapse:collapse;margin:25px 0;font-size:15px}
    .article-content th,.article-content td{padding:11px 13px;border:1px solid var(--line);text-align:left}
    .article-content th{background:#f5f1ff;color:var(--primary)}
    .article-content hr{border:0;border-top:1px solid var(--line);margin:38px 0}
    .article-aside{position:sticky;top:105px}
    .aside-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
    .aside-card + .aside-card{margin-top:16px}
    .aside-title{font-size:15px;font-weight:800;margin:0 0 14px}
    .aside-line{height:3px;width:32px;background:var(--mint);margin-bottom:19px}
    .aside-links{display:flex;flex-direction:column;gap:11px}
    .aside-links a{color:var(--muted);font-size:14px;padding-bottom:11px;border-bottom:1px solid var(--line)}
    .aside-links a:last-child{border-bottom:0;padding-bottom:0}
    .aside-links a:hover{color:var(--primary);padding-left:3px}
    .download-mini{background:var(--dark);color:#fff;border-radius:14px;padding:22px}
    .download-mini p{color:#c7bfd9;font-size:13px;margin:8px 0 17px}
    .download-mini .btn{width:100%;font-size:13px}
    .article-empty{max-width:760px;margin:0 auto;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:70px 25px;box-shadow:var(--shadow)}
    .empty-icon{width:54px;height:54px;display:grid;place-items:center;margin:0 auto 18px;border-radius:16px;background:var(--primary-soft);color:var(--primary);font-size:25px}
    .article-empty h2{margin:0 0 9px;font-size:27px}
    .article-empty p{margin:0 0 23px;color:var(--muted)}
    .article-cta{padding:0 0 100px}
    .cta-panel{border-radius:var(--radius);padding:43px 50px;display:flex;align-items:center;justify-content:space-between;gap:25px;color:#fff;background:linear-gradient(120deg,#24163d,#5632b6)}
    .cta-panel h2{font-size:27px;margin:0 0 7px}
    .cta-panel p{margin:0;color:#d7cfee}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap}
    .cta-panel .btn-secondary{background:transparent;color:#fff;border-color:#8272b3}
    .cta-panel .btn-secondary:hover{background:#302449;border-color:#a898dc}
    .site-footer{padding:62px 0 24px;background:var(--dark);color:#fff}
    .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:38px;padding-bottom:45px;border-bottom:1px solid #332a49}
    .footer-brand p{max-width:310px;color:#aaa1bd;font-size:14px;line-height:1.8;margin:18px 0 0}
    .footer-title{font-size:14px;margin:8px 0 18px}
    .footer-links{display:flex;flex-direction:column;gap:10px}
    .footer-links a{color:#aaa1bd;font-size:13px}
    .footer-links a:hover{color:var(--mint)}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;padding-top:22px;color:#817a91;font-size:12px}
    .footer-bottom a{color:#aaa1bd}
    @media(max-width:1024px){
      .header-inner{gap:15px}.logo{min-width:205px}.nav a{padding:8px 8px;font-size:13px}
      .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,600px)}
      .site-header{height:70px}.header-inner{justify-content:space-between}
      .nav{display:none;position:absolute;top:70px;left:0;right:0;padding:14px 16px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:13px 15px}.header-actions .btn{display:none}.menu-toggle{display:block}
      .notice-inner{justify-content:flex-start;overflow:hidden;white-space:nowrap}
      .article-hero{padding:55px 0 48px}.article-hero h1{letter-spacing:-.8px}
      .article-layout{display:block}.article-aside{position:static;margin-top:25px;display:grid;grid-template-columns:1fr 1fr;gap:15px}.aside-card+.aside-card{margin-top:0}
      .article-section{padding:48px 0 70px}.article-content{font-size:16px;line-height:1.9;padding:27px 22px}
      .cta-panel{padding:31px 25px;display:block}.cta-actions{margin-top:22px}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .logo{min-width:0}.logo-text{font-size:15px}.logo-text small{font-size:8px;letter-spacing:.8px}
      .breadcrumbs{font-size:12px}.article-meta{gap:10px}.article-content h2{font-size:24px}
      .article-aside{display:block}.aside-card{margin-bottom:15px}.aside-card+.aside-card{margin-top:0}
      .footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category1 */
:root{
      --primary:#6d3df5;
      --primary-deep:#4720b8;
      --primary-soft:#eee9ff;
      --mint:#63e6c1;
      --ink:#171522;
      --muted:#6e6a7d;
      --line:#e8e4f0;
      --paper:#fbfaff;
      --white:#fff;
      --dark:#171127;
      --radius:16px;
      --shadow:0 16px 46px rgba(48,30,96,.10);
      --shadow-hover:0 20px 52px rgba(64,36,137,.17);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:rgba(251,250,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:32px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px}
    .logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,var(--primary),#a477ff);position:relative;box-shadow:0 6px 14px rgba(109,61,245,.28)}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:3px}
    .logo-mark:before{width:17px;height:5px;left:10px;top:10px;transform:rotate(-35deg)}
    .logo-mark:after{width:17px;height:5px;left:10px;top:20px;transform:rotate(35deg)}
    .logo-text{font-size:17px;font-weight:800;letter-spacing:-.5px}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.5px;font-weight:600}
    .nav{display:flex;align-items:center;gap:7px;flex:1}
    .nav a{padding:9px 14px;border-radius:9px;color:#565164;font-size:14px;font-weight:650;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--primary);background:var(--primary-soft)}
    .header-actions{display:flex;align-items:center;gap:13px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:10px;font-weight:750;font-size:14px;transition:var(--ease)}
    .btn-primary{color:#fff;background:var(--primary);box-shadow:0 8px 18px rgba(109,61,245,.22)}
    .btn-primary:hover{color:#fff;background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 11px 23px rgba(109,61,245,.3)}
    .btn-secondary{color:var(--primary);background:#fff;border:1px solid #dcd3f6}
    .btn-secondary:hover{color:var(--primary-deep);border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:5px}
    .notice{background:#251a42;color:#dcd5ed;font-size:13px}
    .notice-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .notice strong{color:var(--mint);margin-right:12px}
    .notice a{color:#fff;font-weight:700}
    .notice a:hover{color:var(--mint)}
    .page-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:88px 0 82px}
    .page-hero:before{content:"";position:absolute;width:620px;height:620px;right:-150px;top:-300px;border-radius:50%;background:radial-gradient(circle,rgba(109,61,245,.55),transparent 68%)}
    .page-hero:after{content:"";position:absolute;inset:0;opacity:.55;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:40px 40px}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:#a7a0b9;font-size:13px;margin-bottom:26px}
    .breadcrumb a:hover{color:#fff}
    .breadcrumb span{color:#665b7d}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:750;letter-spacing:.5px;margin-bottom:18px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--mint)}
    .page-hero h1{font-size:clamp(36px,4.8vw, sixty);font-size:clamp(36px,4.8vw,60px);line-height:1.15;letter-spacing:-2px;margin:0 0 20px}
    .page-hero h1 em{font-style:normal;color:#a98aff}
    .hero-copy{max-width:620px;color:#c9c2d9;font-size:17px;line-height:1.9;margin:0 0 30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .page-hero .btn-secondary{background:transparent;color:#fff;border-color:#665a82}
    .page-hero .btn-secondary:hover{background:#302449;border-color:#9279ef}
    .product-orbit{height:350px;position:relative;display:flex;align-items:center;justify-content:center}
    .orbit-ring{position:absolute;border:1px solid rgba(170,145,255,.36);border-radius:50%;transform:rotate(-22deg)}
    .orbit-one{width:300px;height:165px}
    .orbit-two{width:390px;height:215px;transform:rotate(32deg)}
    .orbit-three{width:235px;height:235px;border-color:rgba(99,230,193,.32)}
    .core-card{width:245px;height:205px;padding:23px;border-radius:19px;background:linear-gradient(145deg,#7653dc,#352163);box-shadow:0 25px 60px rgba(0,0,0,.35);position:relative;z-index:2}
    .core-card:after{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.19);border-radius:12px}
    .core-card>*{position:relative;z-index:1}
    .core-label{font-size:11px;color:#d8cff7;letter-spacing:1.5px}
    .core-card h2{font-size:27px;margin:28px 0 8px}
    .core-card p{font-size:12px;color:#ddd5f3;margin:0}
    .orbit-dot{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 7px rgba(99,230,193,.13),0 0 20px var(--mint)}
    .dot-a{top:34px;right:76px}.dot-b{bottom:32px;left:62px;background:#a98aff}.dot-c{top:125px;left:22px}
    .section{padding:96px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}
    .section-kicker{font-size:12px;color:var(--primary);font-weight:800;letter-spacing:1.7px;margin-bottom:8px}
    .section-title{font-size:34px;line-height:1.25;letter-spacing:-1px;margin:0}
    .section-desc{color:var(--muted);max-width:590px;margin:11px 0 0}
    .filter-bar{display:flex;gap:9px;flex-wrap:wrap;padding:7px;background:#f1eef9;border:1px solid var(--line);border-radius:12px;margin-bottom:30px}
    .filter{padding:9px 17px;border-radius:8px;background:transparent;color:var(--muted);font-size:14px;font-weight:700}
    .filter:hover,.filter.active{background:#fff;color:var(--primary);box-shadow:0 4px 12px rgba(48,30,96,.08)}
    .feature-product{display:grid;grid-template-columns:1.1fr .9fr;min-height:330px;overflow:hidden;border-radius:var(--radius);background:linear-gradient(125deg,#25163e,#5934ba 60%,#7a56df);color:#fff;box-shadow:var(--shadow)}
    .feature-copy{padding:39px 42px;position:relative;z-index:1}
    .badge{display:inline-flex;padding:5px 10px;border-radius:6px;color:var(--primary);background:var(--primary-soft);font-size:12px;font-weight:800}
    .badge.mint{color:#193d36;background:#c9f8e9}
    .feature-copy h2{font-size:32px;margin:37px 0 10px}
    .feature-copy p{color:#ddd5f3;max-width:470px;margin:0 0 24px}
    .feature-art{position:relative;overflow:hidden;min-height:330px;background:linear-gradient(135deg,rgba(255,255,255,.05),rgba(20,9,46,.4))}
    .feature-art:before{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-50px;bottom:-140px}
    .feature-art:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(99,230,193,.45);border-radius:50%;right:70px;bottom:-65px}
    .art-panel{position:absolute;width:220px;height:145px;left:50%;top:50%;transform:translate(-50%,-50%) rotate(7deg);border-radius:14px;background:linear-gradient(135deg,#aa8dfb,#4a2d9c);border:1px solid rgba(255,255,255,.35);box-shadow:0 20px 38px rgba(15,5,38,.34);padding:19px}
    .art-panel:before{content:"";display:block;width:52px;height:6px;background:var(--mint);border-radius:5px;box-shadow:0 20px 0 rgba(255,255,255,.65),0 40px 0 rgba(255,255,255,.28)}
    .art-panel strong{display:block;margin-top:30px;font-size:18px}
    .catalog-section{background:#f3f0fb}
    .catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .catalog-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px;transition:var(--ease);min-height:215px}
    .catalog-card:hover{transform:translateY(-4px);border-color:#c6b8f5;box-shadow:var(--shadow-hover)}
    .catalog-icon{width:45px;height:45px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:19px;font-weight:800;margin-bottom:18px}
    .catalog-card h3{font-size:19px;margin:0 0 7px}
    .catalog-card p{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 15px}
    .card-link{color:var(--primary);font-size:13px;font-weight:800}
    .card-link:hover{color:var(--primary-deep);padding-left:4px}
    .info-band{padding:36px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
    .info-item{display:flex;gap:14px;align-items:flex-start}
    .info-number{font-size:28px;line-height:1;color:var(--primary);font-weight:850}
    .info-item strong{display:block;font-size:15px;margin-bottom:4px}.info-item span{color:var(--muted);font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:28px 24px 10px 0;position:relative;border-right:1px solid var(--line);margin-right:24px}
    .step:last-child{border:0;margin-right:0}
    .step-num{display:inline-grid;place-items:center;width:31px;height:31px;border-radius:9px;background:var(--primary);color:#fff;font-weight:800;font-size:13px;margin-bottom:16px}
    .step h3{font-size:17px;margin:0 0 7px}.step p{color:var(--muted);font-size:14px;margin:0}
    .faq-section{background:#f3f0fb}
    .faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
    .faq-item{background:#fff;border:1px solid var(--line);border-top:0}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:#fff;padding:20px 23px;color:var(--ink);font-weight:750}
    .faq-question:hover{color:var(--primary);background:#fdfcff}
    .faq-question span:last-child{font-size:23px;color:var(--primary);font-weight:400}
    .faq-answer{display:none;padding:0 23px 21px;color:var(--muted);font-size:14px;line-height:1.8}
    .faq-item.open .faq-answer{display:block}.faq-item.open .faq-question{color:var(--primary)}
    .cta-section{padding:75px 0;background:var(--dark);color:#fff}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-box h2{font-size:32px;margin:0 0 8px}.cta-box p{color:#c6bdd8;margin:0}
    .cta-actions{display:flex;gap:12px;flex-shrink:0}
    .site-footer{background:#171127;color:#fff;padding:66px 0 22px;border-top:1px solid rgba(255,255,255,.08)}
    .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:38px;padding-bottom:48px}
    .footer-brand .logo{margin-bottom:17px}.footer-brand p{color:#a9a0ba;max-width:310px;font-size:13px;margin:0}
    .footer-title{font-size:14px;margin:7px 0 16px}.footer-links{display:flex;flex-direction:column;gap:9px;color:#a9a0ba;font-size:13px}.footer-links a:hover{color:var(--mint)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.1);padding-top:20px;color:#9187a5;font-size:12px}.footer-bottom a:hover{color:#fff}
    :focus-visible{outline:3px solid rgba(99,230,193,.8);outline-offset:3px}
    @media(max-width:1024px){.header-inner{gap:15px}.logo{min-width:205px}.nav a{padding:8px 9px}.hero-grid{gap:35px}.catalog-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){
      .container{width:min(100% - 36px,620px)}.site-header{height:70px}.nav{display:none;position:absolute;top:70px;left:0;right:0;padding:14px 18px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.header-actions .btn{display:none}.menu-toggle{display:block}.notice-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:0}.page-hero{padding:60px 0}.hero-grid,.feature-product{grid-template-columns:1fr}.product-orbit{height:280px}.feature-art{min-height:250px}.feature-copy{padding:30px}.section{padding:70px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:14px}.steps{grid-template-columns:repeat(2,1fr);gap:15px;border-top:0}.step{border-right:0;border-top:1px solid var(--line);margin:0;padding:22px 15px 10px 0}.info-grid{grid-template-columns:1fr}.cta-box{display:block}.cta-actions{margin-top:24px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}}
    @media(max-width:520px){.container{width:calc(100% - 28px)}.page-hero h1{font-size:36px;letter-spacing:-1px}.hero-copy{font-size:15px}.hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.product-orbit{transform:scale(.82);margin:-25px 0}.catalog-grid{grid-template-columns:1fr}.section-title{font-size:28px}.filter-bar{overflow:auto;flex-wrap:nowrap}.filter{white-space:nowrap}.footer-top{grid-template-columns:1fr}.footer-bottom{display:block;line-height:2}.footer-bottom span{display:block}}

/* roulang page: category2 */
:root{
      --primary:#6d3df5;
      --primary-deep:#4720b8;
      --primary-soft:#eee9ff;
      --mint:#63e6c1;
      --ink:#171522;
      --muted:#6e6a7d;
      --line:#e8e4f0;
      --paper:#fbfaff;
      --white:#fff;
      --dark:#171127;
      --radius:16px;
      --shadow:0 16px 46px rgba(48,30,96,.10);
      --shadow-hover:0 20px 52px rgba(64,36,137,.17);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.7;
      font-size:16px;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .site-header{
      height:78px;background:rgba(251,250,255,.94);border-bottom:1px solid var(--line);
      position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:32px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px}
    .logo-mark{
      width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,var(--primary),#a477ff);
      position:relative;box-shadow:0 6px 14px rgba(109,61,245,.28);flex:0 0 auto
    }
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:3px}
    .logo-mark:before{width:17px;height:5px;left:10px;top:10px;transform:rotate(-35deg)}
    .logo-mark:after{width:17px;height:5px;left:10px;top:20px;transform:rotate(35deg)}
    .logo-text{font-size:17px;font-weight:800;letter-spacing:-.5px}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.5px;font-weight:600}
    .nav{display:flex;align-items:center;gap:7px;flex:1}
    .nav a{padding:9px 14px;border-radius:9px;color:#565164;font-size:14px;font-weight:650;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--primary);background:var(--primary-soft)}
    .header-actions{display:flex;align-items:center;gap:13px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;
      padding:0 20px;border-radius:10px;font-weight:750;font-size:14px;transition:var(--ease)
    }
    .btn-primary{color:#fff;background:var(--primary);box-shadow:0 8px 18px rgba(109,61,245,.22)}
    .btn-primary:hover{color:#fff;background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 11px 23px rgba(109,61,245,.3)}
    .btn-secondary{color:var(--primary);background:#fff;border:1px solid #dcd3f6}
    .btn-secondary:hover{color:var(--primary-deep);border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:5px}
    .notice-bar{background:var(--dark);color:#d8d1e8;font-size:13px}
    .notice-inner{min-height:38px;display:flex;align-items:center;justify-content:center;gap:12px}
    .notice-inner strong{color:var(--mint);font-weight:750}
    .notice-inner a{color:#fff;border-bottom:1px solid rgba(255,255,255,.35)}
    .page-hero{
      position:relative;overflow:hidden;padding:82px 0 88px;color:#fff;background:var(--dark)
    }
    .page-hero:before{
      content:"";position:absolute;width:640px;height:640px;border-radius:50%;
      background:radial-gradient(circle,rgba(109,61,245,.55),transparent 67%);
      right:-170px;top:-300px
    }
    .page-hero:after{
      content:"";position:absolute;inset:0;opacity:.55;
      background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
      background-size:42px 42px;mask-image:linear-gradient(90deg,#000,transparent 84%)
    }
    .page-hero-inner{position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:750;letter-spacing:.4px;margin-bottom:17px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--mint)}
    .page-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-2px;margin:0 0 18px;max-width:760px}
    .page-hero h1 span{color:#a98aff}
    .page-hero p{max-width:680px;color:#c8c1d9;font-size:17px;line-height:1.9;margin:0}
    .breadcrumb{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:30px;
      color:#aaa0c1;font-size:13px
    }
    .breadcrumb a:hover{color:#fff}
    .breadcrumb .current{color:var(--mint)}
    .section{padding:86px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}
    .section-kicker{font-size:12px;color:var(--primary);font-weight:800;letter-spacing:1.7px;margin-bottom:8px}
    .section-title{font-size:34px;line-height:1.25;letter-spacing:-1px;margin:0}
    .section-desc{color:var(--muted);max-width:560px;margin:11px 0 0}
    .news-toolbar{
      display:flex;align-items:center;justify-content:space-between;gap:20px;
      margin-bottom:26px;padding:15px 18px;background:#fff;border:1px solid var(--line);border-radius:14px
    }
    .filter-list{display:flex;gap:8px;flex-wrap:wrap}
    .filter-btn{
      color:var(--muted);background:transparent;border:1px solid transparent;border-radius:8px;
      padding:8px 13px;font-size:13px;font-weight:700;transition:var(--ease)
    }
    .filter-btn:hover,.filter-btn.active{color:var(--primary);background:var(--primary-soft);border-color:#ddd3fa}
    .news-count{color:var(--muted);font-size:13px;white-space:nowrap}
    .featured-news{
      min-height:330px;border-radius:var(--radius);overflow:hidden;position:relative;
      color:#fff;background:linear-gradient(120deg,#25153d 0%,#5632b7 62%,#7a59df 100%);
      display:flex;align-items:flex-end;padding:34px;margin-bottom:40px
    }
    .featured-news:before{
      content:"";position:absolute;width:410px;height:410px;border:1px solid rgba(255,255,255,.18);
      border-radius:50%;right:-80px;top:-140px
    }
    .featured-news:after{
      content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(99,230,193,.35);
      border-radius:50%;right:105px;bottom:-128px
    }
    .featured-grid{position:relative;z-index:1;max-width:700px}
    .badge{
      display:inline-flex;padding:5px 10px;border-radius:6px;color:var(--primary);
      background:var(--primary-soft);font-size:12px;font-weight:800
    }
    .badge.mint{color:#193d36;background:#c9f8e9}
    .featured-news h2{font-size:30px;line-height:1.35;margin:19px 0 10px}
    .featured-news p{color:#ddd5f3;max-width:620px;margin:0 0 19px}
    .news-meta{display:flex;align-items:center;gap:15px;flex-wrap:wrap;color:#bcb2d2;font-size:13px}
    .featured-news .news-meta{color:#d3cbe5}
    .featured-news .text-link{display:inline-flex;margin-top:24px;color:#fff;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:3px}
    .featured-news .text-link:hover{color:var(--mint);padding-right:5px}
    .news-layout{display:grid;grid-template-columns:1fr 340px;gap:46px;align-items:start}
    .news-list{display:flex;flex-direction:column}
    .news-item{
      display:grid;grid-template-columns:105px 1fr 28px;gap:22px;align-items:start;
      padding:23px 0;border-bottom:1px solid var(--line);transition:var(--ease)
    }
    .news-item:first-child{border-top:1px solid var(--line)}
    .news-item:hover{padding-left:8px}
    .news-date{color:var(--primary);font-size:13px;font-weight:800;line-height:1.35}
    .news-date span{display:block;color:var(--muted);font-size:12px;font-weight:500;margin-top:4px}
    .news-item h3{font-size:18px;line-height:1.45;margin:0 0 7px}
    .news-item h3 a:hover{color:var(--primary)}
    .news-item p{color:var(--muted);font-size:14px;line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .item-arrow{color:var(--primary);font-size:22px;transition:var(--ease)}
    .news-item:hover .item-arrow{transform:translateX(4px)}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 9px 26px rgba(48,30,96,.05)}
    .side-card h3{font-size:19px;margin:0 0 17px}
    .side-card p{font-size:14px;color:var(--muted);margin:0 0 20px}
    .topic-links{display:flex;flex-direction:column;gap:10px}
    .topic-links a{
      display:flex;justify-content:space-between;align-items:center;padding:13px 14px;
      border-radius:10px;background:#f7f5fc;color:#4b455b;font-size:14px;font-weight:700
    }
    .topic-links a:hover{color:var(--primary);background:var(--primary-soft);padding-left:18px}
    .topic-links span{color:var(--primary)}
    .timeline-section{background:#f3f0fb}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .timeline:before{content:"";position:absolute;left:10%;right:10%;top:27px;height:1px;background:#d8cff1}
    .timeline-card{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 23px}
    .timeline-dot{width:14px;height:14px;border:4px solid var(--primary-soft);background:var(--primary);border-radius:50%;margin-bottom:23px}
    .timeline-card time{font-size:12px;color:var(--primary);font-weight:800}
    .timeline-card h3{font-size:17px;margin:9px 0 7px}
    .timeline-card p{color:var(--muted);font-size:14px;margin:0}
    .faq-section{background:#fff}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
    .faq-intro h2{font-size:32px;line-height:1.35;margin:0 0 14px}
    .faq-intro p{color:var(--muted);margin:0}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{
      width:100%;padding:20px 4px;background:transparent;display:flex;justify-content:space-between;
      text-align:left;color:var(--ink);font-size:16px;font-weight:750
    }
    .faq-question span:last-child{color:var(--primary);font-size:22px;line-height:1;transition:var(--ease)}
    .faq-answer{display:none;color:var(--muted);font-size:14px;line-height:1.8;padding:0 35px 20px 4px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{
      padding:68px 0;background:linear-gradient(120deg,#3b207f,#6d3df5);color:#fff
    }
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:32px;margin:0 0 9px}
    .cta p{color:#ddd5f3;margin:0;max-width:610px}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap;flex:0 0 auto}
    .cta .btn-secondary{border-color:rgba(255,255,255,.35);background:transparent;color:#fff}
    .cta .btn-secondary:hover{background:rgba(255,255,255,.12);border-color:#fff}
    .site-footer{background:var(--dark);color:#fff;padding:58px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px;padding-bottom:42px}
    .footer-brand p{color:#aaa1bd;font-size:13px;max-width:285px;margin:17px 0 0}
    .footer-title{font-size:14px;margin:4px 0 15px}
    .footer-links{display:flex;flex-direction:column;gap:9px}
    .footer-links a{color:#aaa1bd;font-size:13px}
    .footer-links a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid #312746;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#817791;font-size:12px}
    .footer-bottom a:hover{color:#fff}
    @media (max-width:1024px){
      .header-inner{gap:16px}.logo{min-width:210px}.nav a{padding:8px 9px}
      .news-layout{grid-template-columns:1fr 290px;gap:28px}.faq-grid{gap:40px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 34px,600px)}
      .site-header{height:70px}.header-inner{gap:10px}.logo{min-width:0;flex:1}
      .logo-text{font-size:15px}.logo-text small{font-size:9px}
      .nav{
        display:none;position:absolute;left:17px;right:17px;top:76px;flex-direction:column;
        align-items:stretch;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;
        box-shadow:var(--shadow)
      }
      .nav.open{display:flex}.nav a{padding:12px 14px}
      .header-actions .btn{display:none}.menu-toggle{display:block}
      .notice-inner{justify-content:flex-start;overflow:hidden;white-space:nowrap}
      .page-hero{padding:60px 0 62px}.page-hero h1{letter-spacing:-1px}
      .page-hero p{font-size:15px}.section{padding:65px 0}
      .section-head{display:block;margin-bottom:25px}.section-head .text-link{display:inline-block;margin-top:14px}
      .news-toolbar{display:block}.news-count{display:block;margin-top:10px}
      .featured-news{min-height:370px;padding:27px}.featured-news h2{font-size:25px}
      .news-layout{display:block}.side-card{margin-top:35px}
      .timeline{grid-template-columns:1fr;gap:15px}.timeline:before{display:none}
      .timeline-card{padding:21px}.timeline-dot{margin-bottom:15px}
      .faq-grid{display:block}.faq-intro{margin-bottom:32px}.faq-intro h2{font-size:28px}
      .cta-inner{display:block}.cta h2{font-size:27px}.cta-actions{margin-top:24px}
      .footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 30px)}
      .logo-mark{width:32px;height:32px;border-radius:9px}.logo-text{font-size:14px}
      .page-hero h1{font-size:34px}.featured-news{min-height:410px}
      .news-item{grid-template-columns:72px 1fr 20px;gap:11px}.news-item h3{font-size:16px}
      .news-item p{font-size:13px}.news-date{font-size:12px}
      .footer-top{grid-template-columns:1fr;gap:24px}.footer-brand{grid-column:auto}
      .cta-actions .btn{width:100%}
    }

/* roulang page: category4 */
:root{
      --primary:#6d3df5;
      --primary-deep:#4720b8;
      --primary-soft:#eee9ff;
      --mint:#63e6c1;
      --ink:#171522;
      --muted:#6e6a7d;
      --line:#e8e4f0;
      --paper:#fbfaff;
      --white:#fff;
      --dark:#171127;
      --radius:16px;
      --shadow:0 16px 46px rgba(48,30,96,.10);
      --shadow-hover:0 20px 52px rgba(64,36,137,.17);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:rgba(251,250,255,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:32px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px}
    .logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,var(--primary),#a477ff);position:relative;box-shadow:0 6px 14px rgba(109,61,245,.28);flex:none}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:3px}
    .logo-mark:before{width:17px;height:5px;left:10px;top:10px;transform:rotate(-35deg)}
    .logo-mark:after{width:17px;height:5px;left:10px;top:20px;transform:rotate(35deg)}
    .logo-text{font-size:17px;font-weight:800;letter-spacing:-.5px}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.5px;font-weight:600}
    .nav{display:flex;align-items:center;gap:7px;flex:1}
    .nav a{padding:9px 14px;border-radius:9px;color:#565164;font-size:14px;font-weight:650;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--primary);background:var(--primary-soft)}
    .header-actions{display:flex;align-items:center;gap:13px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:10px;font-weight:750;font-size:14px;transition:var(--ease)}
    .btn-primary{color:#fff;background:var(--primary);box-shadow:0 8px 18px rgba(109,61,245,.22)}
    .btn-primary:hover{color:#fff;background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 11px 23px rgba(109,61,245,.3)}
    .btn-secondary{color:var(--primary);background:#fff;border:1px solid #dcd3f6}
    .btn-secondary:hover{color:var(--primary-deep);border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:5px}
    .page-hero{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:76px 0 82px}
    .page-hero:before{content:"";position:absolute;width:620px;height:620px;border-radius:50%;right:-150px;top:-330px;background:radial-gradient(circle,rgba(109,61,245,.62),transparent 68%)}
    .page-hero:after{content:"";position:absolute;inset:0;opacity:.6;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px}
    .hero-content{position:relative;z-index:1;max-width:760px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:750;letter-spacing:.4px;margin-bottom:18px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--mint)}
    .page-hero h1{font-size:clamp(35px,5vw,60px);line-height:1.18;letter-spacing:-2px;margin:0 0 20px}
    .page-hero h1 span{color:#a98aff}
    .hero-copy{max-width:680px;color:#c8c1d9;font-size:17px;line-height:1.9;margin:0}
    .crumb{position:relative;z-index:1;margin-top:34px;color:#aaa1c1;font-size:13px}
    .crumb a{color:#ddd7eb}.crumb a:hover{color:var(--mint)}
    .section{padding:96px 0}
    .section.alt{background:#f3f0fb}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:38px}
    .section-kicker{font-size:12px;color:var(--primary);font-weight:800;letter-spacing:1.7px;margin-bottom:8px}
    .section-title{font-size:34px;line-height:1.25;letter-spacing:-1px;margin:0}
    .section-desc{color:var(--muted);max-width:570px;margin:11px 0 0}
    .info-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}
    .info-grid h2{font-size:32px;line-height:1.3;margin:0 0 18px}
    .info-grid p{color:var(--muted);margin:0 0 17px}
    .brand-panel{min-height:340px;border-radius:var(--radius);padding:38px;background:linear-gradient(135deg,#25163f,#5733b8 62%,#8060e8);color:#fff;position:relative;overflow:hidden}
    .brand-panel:before{content:"PG";position:absolute;right:22px;bottom:-63px;color:rgba(255,255,255,.08);font-size:230px;font-weight:900;line-height:1}
    .brand-panel>*{position:relative;z-index:1}
    .brand-panel h3{font-size:28px;margin:42px 0 12px}
    .brand-panel p{color:#ddd5f3;max-width:380px}
    .badge{display:inline-flex;padding:5px 10px;border-radius:6px;color:var(--primary);background:var(--primary-soft);font-size:12px;font-weight:800}
    .badge.mint{color:#193d36;background:#c9f8e9}
    .facts{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:25px}
    .fact{padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px}
    .fact strong{display:block;color:var(--primary);font-size:24px;margin-bottom:3px}
    .fact span{color:var(--muted);font-size:13px}
    .business-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .business-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:27px;transition:var(--ease)}
    .business-card:hover{transform:translateY(-5px);border-color:#c8b9f4;box-shadow:var(--shadow-hover)}
    .icon{width:45px;height:45px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:22px;font-weight:800;margin-bottom:20px}
    .business-card h3{font-size:19px;margin:0 0 9px}
    .business-card p{font-size:14px;color:var(--muted);margin:0}
    .timeline{position:relative;max-width:860px;margin:0 auto;padding-left:36px}
    .timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:#d9cff9}
    .timeline-item{position:relative;padding:0 0 34px 28px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-34px;top:7px;width:16px;height:16px;border-radius:50%;background:var(--mint);border:4px solid #eee9ff;box-shadow:0 0 0 1px #b8ade8}
    .timeline-label{font-size:12px;font-weight:800;color:var(--primary);letter-spacing:1px;margin-bottom:5px}
    .timeline-item h3{font-size:20px;margin:0 0 7px}
    .timeline-item p{color:var(--muted);margin:0;max-width:700px}
    .official-box{background:var(--dark);color:#fff;border-radius:var(--radius);padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}
    .official-box h2{font-size:29px;line-height:1.35;margin:0 0 14px}
    .official-box p{color:#c8c0d7;margin:0}
    .official-list{display:grid;gap:12px}
    .official-list a{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;background:#2a2040;border:1px solid #443560;border-radius:10px;color:#eee9f7;font-weight:700}
    .official-list a:hover{background:#39295b;border-color:#8068d8;transform:translateX(3px)}
    .faq-list{max-width:900px;margin:auto}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;background:#fff;color:var(--ink);padding:20px 22px;font-weight:750}
    .faq-question span:last-child{color:var(--primary);font-size:22px;transition:var(--ease)}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{display:none;color:var(--muted);padding:0 22px 20px;line-height:1.8}
    .faq-item.open .faq-answer{display:block}
    .cta{padding:72px 0;background:linear-gradient(110deg,#4d25c2,#7654dd);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:31px;margin:0 0 8px}.cta p{color:#ded7f5;margin:0}
    .cta .btn-secondary{border:0;color:var(--primary);background:#fff}
    .site-footer{background:var(--dark);color:#fff;padding:62px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}
    .footer-brand p{color:#aaa1bb;font-size:13px;max-width:290px;margin-top:18px}
    .footer-title{font-size:14px;margin:3px 0 17px}
    .footer-links{display:grid;gap:10px;color:#aaa1bb;font-size:13px}
    .footer-links a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid #322747;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#9187a5;font-size:12px}
    .footer-bottom a:hover{color:#fff}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(99,230,193,.8);outline-offset:3px}
    @media(max-width:1024px){.header-inner{gap:14px}.logo{min-width:205px}.nav a{padding:8px 9px}.business-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){
      .container{width:min(100% - 34px,620px)}
      .site-header{height:70px}.header-actions .btn{display:none}.menu-toggle{display:block}
      .nav{display:none;position:absolute;left:17px;right:17px;top:78px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.show{display:flex}.nav a{padding:13px 15px}
      .page-hero{padding:62px 0 65px}.page-hero h1{letter-spacing:-1px}
      .section{padding:70px 0}.section-head{display:block}.section-desc{margin-bottom:0}
      .info-grid,.official-box{grid-template-columns:1fr;gap:30px}.business-grid{grid-template-columns:1fr}
      .brand-panel{min-height:290px}.cta-inner{display:block}.cta .btn{margin-top:24px}
      .footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 30px)}.logo-text{font-size:15px}.logo-text small{font-size:8px}
      .page-hero h1{font-size:34px}.hero-copy{font-size:15px}.section-title{font-size:28px}
      .facts{grid-template-columns:1fr}.brand-panel,.official-box{padding:26px}
      .footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}
    }

/* roulang page: category3 */
:root{
      --primary:#6d3df5;
      --primary-deep:#4720b8;
      --primary-soft:#eee9ff;
      --mint:#63e6c1;
      --ink:#171522;
      --muted:#6e6a7d;
      --line:#e8e4f0;
      --paper:#fbfaff;
      --white:#fff;
      --dark:#171127;
      --radius:16px;
      --shadow:0 16px 46px rgba(48,30,96,.10);
      --shadow-hover:0 20px 52px rgba(64,36,137,.17);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:rgba(251,250,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:32px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px}
    .logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,var(--primary),#a477ff);position:relative;box-shadow:0 6px 14px rgba(109,61,245,.28);flex:none}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:3px}
    .logo-mark:before{width:17px;height:5px;left:10px;top:10px;transform:rotate(-35deg)}
    .logo-mark:after{width:17px;height:5px;left:10px;top:20px;transform:rotate(35deg)}
    .logo-text{font-size:17px;font-weight:800;letter-spacing:-.5px}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.5px;font-weight:600}
    .nav{display:flex;align-items:center;gap:7px;flex:1}
    .nav a{padding:9px 14px;border-radius:9px;color:#565164;font-size:14px;font-weight:650;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--primary);background:var(--primary-soft)}
    .header-actions{display:flex;align-items:center;gap:13px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:10px;font-weight:750;font-size:14px;transition:var(--ease)}
    .btn-primary{color:#fff;background:var(--primary);box-shadow:0 8px 18px rgba(109,61,245,.22)}
    .btn-primary:hover{color:#fff;background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 11px 23px rgba(109,61,245,.3)}
    .btn-secondary{color:var(--primary);background:#fff;border:1px solid #dcd3f6}
    .btn-secondary:hover{color:var(--primary-deep);border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:5px}
    .hero{background:var(--dark);color:#fff;overflow:hidden;position:relative}
    .hero:before{content:"";position:absolute;width:700px;height:700px;border-radius:50%;background:radial-gradient(circle,rgba(109,61,245,.52),transparent 67%);right:-170px;top:-290px}
    .hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(90deg,#000,transparent 82%)}
    .hero-inner{min-height:565px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px;position:relative;z-index:1;padding:70px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:750;letter-spacing:.4px;margin-bottom:19px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--mint)}
    .hero h1{font-size:clamp(34px,4.2vw,58px);line-height:1.16;letter-spacing:-2px;max-width:600px;margin:0 0 22px}
    .hero h1 span{color:#a98aff}
    .hero-copy{color:#c5bed8;max-width:550px;font-size:17px;line-height:1.9;margin:0 0 30px}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-secondary{background:transparent;color:#fff;border-color:#64577f}
    .hero .btn-secondary:hover{background:#302449;border-color:#9279ef}
    .hero-notes{display:flex;gap:20px;flex-wrap:wrap;color:#b2a9c9;font-size:12px;margin-top:25px}
    .hero-notes span:before{content:"✓";color:var(--mint);font-weight:900;margin-right:6px}
    .device-stage{height:420px;position:relative;display:flex;justify-content:center;align-items:center}
    .device-glow{position:absolute;width:330px;height:330px;border-radius:50%;background:rgba(109,61,245,.27);filter:blur(5px)}
    .phone{width:214px;height:390px;border:7px solid #302541;border-radius:31px;background:#0e0b19;box-shadow:0 25px 55px rgba(0,0,0,.45),0 0 0 1px #806be0;position:relative;z-index:2;padding:10px;transform:rotate(-6deg)}
    .phone:before{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);height:17px;width:72px;border-radius:0 0 12px 12px;background:#302541}
    .screen{height:100%;border-radius:19px;overflow:hidden;background:linear-gradient(160deg,#24144c,#6541c8 55%,#201634);padding:25px 13px 13px}
    .screen-top{display:flex;justify-content:space-between;color:#dcd4fb;font-size:9px;margin-bottom:24px}
    .screen-title{font-size:20px;font-weight:800;color:#fff;line-height:1.2;margin-bottom:7px}
    .screen-sub{color:#c3b9e7;font-size:9px}
    .screen-card{height:110px;margin-top:22px;border-radius:12px;background:linear-gradient(135deg,#9b77ff,#50d8bb);position:relative;overflow:hidden}
    .screen-card:after{content:"PG";position:absolute;right:12px;bottom:0;color:rgba(255,255,255,.28);font-size:54px;font-weight:900}
    .screen-row{height:42px;border-radius:8px;background:rgba(255,255,255,.12);margin-top:10px;display:flex;align-items:center;padding:0 9px;color:#fff;font-size:10px}
    .screen-dot{width:20px;height:20px;border-radius:6px;background:var(--mint);margin-right:8px}
    .tablet{width:270px;height:183px;border:6px solid #342948;border-radius:18px;background:#0e0b19;padding:7px;position:absolute;right:6px;bottom:45px;z-index:1;transform:rotate(7deg);box-shadow:0 20px 40px rgba(0,0,0,.35)}
    .tablet .screen{border-radius:9px;padding:15px;background:linear-gradient(135deg,#211338,#48309d)}
    .tablet .screen-card{height:62px;margin-top:12px}
    .float-tag{position:absolute;background:#fff;color:var(--ink);padding:10px 14px;border-radius:10px;box-shadow:var(--shadow);font-size:12px;font-weight:700;z-index:3}
    .float-tag strong{display:block;font-size:18px;color:var(--primary)}
    .tag-one{top:43px;right:0}
    .tag-two{bottom:27px;left:0}
    .section{padding:95px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:38px}
    .section-kicker{font-size:12px;color:var(--primary);font-weight:800;letter-spacing:1.7px;margin-bottom:8px}
    .section-title{font-size:34px;line-height:1.25;letter-spacing:-1px;margin:0}
    .section-desc{color:var(--muted);max-width:550px;margin:11px 0 0}
    .download-main{background:#fff}
    .download-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .app-panel{background:#f3f0fb;border-radius:var(--radius);min-height:385px;padding:42px;position:relative;overflow:hidden}
    .app-panel:before{content:"";position:absolute;width:270px;height:270px;border:1px solid #d7cdf8;border-radius:50%;right:-75px;top:-75px}
    .app-panel:after{content:"";position:absolute;width:180px;height:180px;border:1px solid #d7cdf8;border-radius:50%;right:25px;bottom:-100px}
    .panel-label{color:var(--primary);font-size:12px;font-weight:800;letter-spacing:1px}
    .app-panel h2{font-size:30px;line-height:1.3;margin:18px 0 12px;position:relative;z-index:1}
    .app-panel p{color:var(--muted);max-width:420px;position:relative;z-index:1}
    .version-row{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0;position:relative;z-index:1}
    .platform{font-size:12px;font-weight:700;border:1px solid #d9d1ef;background:#fff;padding:6px 10px;border-radius:7px}
    .platform.mint{background:#d9faef;border-color:#b8eedc;color:#1d6553}
    .qr-box{width:132px;height:132px;background:#fff;border:9px solid #fff;box-shadow:0 4px 18px rgba(50,30,100,.12);position:relative;overflow:hidden}
    .qr-box:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,#221a35 0 4px,#fff 4px 8px),repeating-linear-gradient(-45deg,transparent 0 5px,rgba(109,61,245,.6) 5px 8px);mix-blend-mode:multiply}
    .qr-box:after{content:"PG";position:absolute;left:39px;top:39px;width:37px;height:37px;border-radius:8px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900;font-size:12px;border:4px solid #fff}
    .download-box{display:flex;gap:23px;align-items:center;position:relative;z-index:1}
    .download-box small{display:block;color:var(--muted);font-size:12px;margin-bottom:9px}
    .download-box .btn{margin-top:10px}
    .info-list{border-top:1px solid var(--line);margin-top:22px}
    .info-line{display:flex;justify-content:space-between;gap:18px;padding:15px 0;border-bottom:1px solid var(--line);font-size:14px}
    .info-line span:first-child{color:var(--muted)}
    .info-line span:last-child{font-weight:700;text-align:right}
    .steps-section{background:#f3f0fb}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:27px;transition:var(--ease)}
    .step:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#c8baf5}
    .step-num{width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:18px;font-weight:850;margin-bottom:24px}
    .step h3{font-size:18px;margin:0 0 9px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .updates{display:grid;grid-template-columns:.82fr 1.18fr;gap:54px;align-items:start}
    .update-intro{background:var(--dark);color:#fff;border-radius:var(--radius);padding:34px;min-height:250px;position:relative;overflow:hidden}
    .update-intro:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(99,230,193,.35);border-radius:50%;right:-50px;bottom:-80px}
    .update-intro h2{font-size:28px;line-height:1.35;margin:15px 0 11px;position:relative;z-index:1}
    .update-intro p{color:#c5bed8;font-size:14px;position:relative;z-index:1}
    .update-items{border-top:1px solid var(--line)}
    .update-item{display:grid;grid-template-columns:95px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .update-date{font-size:13px;color:var(--primary);font-weight:800}
    .update-item h3{font-size:16px;margin:0 0 4px}
    .update-item p{font-size:13px;color:var(--muted);margin:0}
    .arrow{color:var(--primary);font-size:22px}
    .compatibility{background:#fff}
    .compat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .compat-card{padding:23px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
    .compat-icon{font-size:25px;color:var(--primary);margin-bottom:13px}
    .compat-card h3{font-size:16px;margin:0 0 5px}
    .compat-card p{font-size:13px;color:var(--muted);margin:0}
    .faq-section{background:var(--paper)}
    .faq-list{max-width:850px;margin:0 auto;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:transparent;padding:21px 0;color:var(--ink);font-weight:750;font-size:16px}
    .faq-question span:last-child{color:var(--primary);font-size:23px;transition:var(--ease)}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 42px 21px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:76px 0;background:linear-gradient(120deg,#24163d,#5733b8);color:#fff;position:relative;overflow:hidden}
    .cta:after{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:-130px;top:-180px}
    .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta h2{font-size:31px;margin:0 0 9px}
    .cta p{color:#d5cdef;margin:0}
    .cta .btn-secondary{border-color:#9b87df}
    .site-footer{background:var(--dark);color:#fff;padding:61px 0 23px}
    .footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px;padding-bottom:44px}
    .footer-brand .logo{margin-bottom:17px}
    .footer-brand p{color:#a79dbb;font-size:13px;max-width:320px;margin:0}
    .footer-title{font-size:14px;margin:7px 0 16px}
    .footer-links{display:flex;flex-direction:column;gap:9px}
    .footer-links a{color:#a79dbb;font-size:13px}
    .footer-links a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid #302742;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#817790;font-size:12px}
    .footer-bottom a{color:#b3a6ca}
    :focus-visible{outline:3px solid rgba(99,230,193,.75);outline-offset:3px}
    @media(max-width:1024px){
      .header-inner{gap:15px}.logo{min-width:210px}.nav a{padding:8px 9px;font-size:13px}
      .hero-inner{gap:35px}.download-grid{gap:35px}.footer-top{grid-template-columns:1.5fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(100% - 34px,600px)}
      .site-header{height:70px}.header-inner{justify-content:space-between}
      .nav{display:none;position:absolute;top:70px;left:0;right:0;padding:15px 17px 22px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.show{display:flex}.nav a{padding:12px 14px}
      .header-actions .btn{display:none}.menu-toggle{display:block}
      .hero-inner{grid-template-columns:1fr;min-height:auto;padding:67px 0 52px;gap:25px}
      .hero h1{letter-spacing:-1px}.hero-copy{font-size:16px}
      .device-stage{height:365px;max-width:470px;margin:0 auto;width:100%}
      .tablet{right:0}.tag-one{right:8px}.tag-two{left:3px}
      .section{padding:70px 0}.section-head{display:block;margin-bottom:28px}.section-head .text-link{display:inline-block;margin-top:17px}
      .section-title{font-size:29px}.download-grid,.updates{grid-template-columns:1fr}
      .app-panel{min-height:auto;padding:30px}.steps{grid-template-columns:1fr}.compat-grid{grid-template-columns:repeat(2,1fr)}
      .cta-inner{display:block}.cta .hero-buttons{margin-top:24px}
      .footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}.logo{min-width:auto}.logo-text{font-size:15px}.logo-text small{font-size:8px;letter-spacing:.7px}
      .hero h1{font-size:35px}.hero-buttons .btn{width:100%}.hero-notes{gap:8px;display:block}.hero-notes span{display:block;margin-top:5px}
      .device-stage{transform:scale(.86);margin:-22px auto}.phone{width:190px;height:350px}.tablet{width:235px;height:160px;right:-4px}
      .app-panel{padding:25px 20px}.app-panel h2{font-size:25px}.download-box{align-items:flex-start;flex-direction:column}
      .update-item{grid-template-columns:1fr auto;gap:5px 12px}.update-date{grid-column:1/-1}.update-item h3{grid-column:1}.update-item p{grid-column:1}.update-item .arrow{grid-column:2;grid-row:2}
      .compat-grid{grid-template-columns:1fr}.cta h2{font-size:27px}.footer-top{grid-template-columns:1fr 1fr;gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }

/* roulang page: category5 */
:root{
      --primary:#6d3df5;
      --primary-deep:#4720b8;
      --primary-soft:#eee9ff;
      --mint:#63e6c1;
      --ink:#171522;
      --muted:#6e6a7d;
      --line:#e8e4f0;
      --paper:#fbfaff;
      --white:#fff;
      --dark:#171127;
      --danger:#d94b65;
      --radius:16px;
      --shadow:0 16px 46px rgba(48,30,96,.10);
      --shadow-hover:0 20px 52px rgba(64,36,137,.17);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:rgba(251,250,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:32px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px}
    .logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,var(--primary),#a477ff);position:relative;box-shadow:0 6px 14px rgba(109,61,245,.28);flex:none}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:3px}
    .logo-mark:before{width:17px;height:5px;left:10px;top:10px;transform:rotate(-35deg)}
    .logo-mark:after{width:17px;height:5px;left:10px;top:20px;transform:rotate(35deg)}
    .logo-text{font-size:17px;font-weight:800;letter-spacing:-.5px}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.5px;font-weight:600}
    .nav{display:flex;align-items:center;gap:7px;flex:1}
    .nav a{padding:9px 14px;border-radius:9px;color:#565164;font-size:14px;font-weight:650;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--primary);background:var(--primary-soft)}
    .header-actions{display:flex;align-items:center;gap:13px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:10px;font-weight:750;font-size:14px;transition:var(--ease)}
    .btn-primary{color:#fff;background:var(--primary);box-shadow:0 8px 18px rgba(109,61,245,.22)}
    .btn-primary:hover{color:#fff;background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 11px 23px rgba(109,61,245,.3)}
    .btn-secondary{color:var(--primary);background:#fff;border:1px solid #dcd3f6}
    .btn-secondary:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:5px}
    .notice-bar{background:#241b38;color:#d9d0ee;font-size:13px}
    .notice-inner{min-height:38px;display:flex;align-items:center;justify-content:center;gap:18px}
    .notice-inner strong{color:var(--mint)}
    .notice-inner a{color:#fff;border-bottom:1px solid rgba(255,255,255,.45)}
    .page-hero{background:var(--dark);color:#fff;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;width:570px;height:570px;border-radius:50%;right:-130px;top:-260px;background:radial-gradient(circle,rgba(109,61,245,.52),transparent 68%)}
    .page-hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(90deg,#000,transparent 84%)}
    .page-hero-inner{position:relative;z-index:1;min-height:390px;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;padding:65px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:750;letter-spacing:.4px;margin-bottom:18px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--mint)}
    .page-hero h1{font-size:clamp(34px,4vw,56px);line-height:1.18;letter-spacing:-2px;margin:0 0 18px}
    .page-hero h1 span{color:#a98aff}
    .hero-copy{color:#c5bed8;max-width:610px;font-size:17px;line-height:1.9;margin:0 0 26px}
    .breadcrumb{display:flex;align-items:center;gap:10px;color:#a69bbd;font-size:13px;margin-bottom:22px}
    .breadcrumb a{color:#dcd4ee}
    .help-visual{min-height:250px;display:flex;align-items:center;justify-content:center;position:relative}
    .help-panel{width:min(100%,390px);background:#fff;color:var(--ink);border-radius:18px;padding:22px;box-shadow:0 22px 55px rgba(0,0,0,.22);transform:rotate(2deg)}
    .help-panel-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:17px}
    .help-panel-head strong{font-size:17px}
    .status-dot{width:10px;height:10px;background:var(--mint);border-radius:50%;box-shadow:0 0 0 6px #e2faf2}
    .mini-help{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid #f0edf5}
    .mini-icon{width:34px;height:34px;border-radius:10px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:800}
    .mini-help b{display:block;font-size:14px}
    .mini-help span{display:block;color:var(--muted);font-size:12px}
    .section{padding:92px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}
    .section-kicker{font-size:12px;color:var(--primary);font-weight:800;letter-spacing:1.7px;margin-bottom:8px}
    .section-title{font-size:33px;line-height:1.25;letter-spacing:-1px;margin:0}
    .section-desc{color:var(--muted);max-width:600px;margin:11px 0 0}
    .search-wrap{margin-top:-38px;position:relative;z-index:3}
    .search-box{background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;display:flex;gap:10px;box-shadow:var(--shadow)}
    .search-box input{flex:1;min-width:0;border:0;outline:0;padding:9px 14px;color:var(--ink);background:transparent}
    .search-box input:focus{box-shadow:0 0 0 3px var(--primary-soft);border-radius:8px}
    .search-box button{min-height:44px;padding:0 24px;border-radius:10px;background:var(--primary);color:#fff;font-weight:750;transition:var(--ease)}
    .search-box button:hover{background:var(--primary-deep)}
    .search-message{font-size:13px;color:var(--muted);margin:12px 5px 0;display:none}
    .topic-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px}
    .topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-height:190px;transition:var(--ease);position:relative;overflow:hidden}
    .topic-card:first-child{background:linear-gradient(135deg,#f0ebff,#fff)}
    .topic-card:hover{transform:translateY(-4px);border-color:#c9b9f7;box-shadow:var(--shadow-hover)}
    .topic-card:after{content:"";position:absolute;width:110px;height:110px;border:1px solid #dcd1fa;border-radius:50%;right:-42px;bottom:-48px}
    .topic-number{font-size:12px;color:var(--primary);font-weight:800;letter-spacing:1px}
    .topic-card h3{font-size:20px;margin:18px 0 8px}
    .topic-card p{color:var(--muted);font-size:14px;margin:0 0 17px;max-width:280px}
    .topic-link{color:var(--primary);font-weight:750;font-size:13px}
    .guide-section{background:#f3f0fb}
    .guide-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px;align-items:start}
    .guide-intro{padding-top:12px}
    .guide-intro h2{font-size:34px;line-height:1.3;margin:0 0 14px}
    .guide-intro p{color:var(--muted);margin:0}
    .guide-note{margin-top:27px;padding:16px 18px;border-left:3px solid var(--mint);background:#fff;border-radius:0 10px 10px 0;color:#555060;font-size:14px}
    .steps{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:54px 1fr;gap:18px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;transition:var(--ease)}
    .step:hover{border-color:#c9b9f7;box-shadow:var(--shadow)}
    .step-num{width:40px;height:40px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800}
    .step h3{font-size:17px;margin:1px 0 5px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px;align-items:start}
    .faq-intro h2{font-size:34px;line-height:1.3;margin:0 0 14px}
    .faq-intro p{color:var(--muted);margin:0}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:transparent;color:var(--ink);padding:20px 4px;font-weight:750;font-size:16px}
    .faq-question:hover{color:var(--primary)}
    .faq-question .plus{font-size:24px;color:var(--primary);font-weight:400;transition:var(--ease)}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 34px 20px 4px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .plus{transform:rotate(45deg)}
    .cta{background:linear-gradient(120deg,#26173f,#4e2ab1);color:#fff;border-radius:var(--radius);padding:46px 52px;display:flex;align-items:center;justify-content:space-between;gap:25px;position:relative;overflow:hidden}
    .cta:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(99,230,193,.35);border-radius:50%;right:100px;top:-150px}
    .cta>*{position:relative;z-index:1}
    .cta h2{font-size:28px;margin:0 0 8px}
    .cta p{color:#d0c7e4;margin:0;max-width:610px}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex:none}
    .cta .btn-secondary{background:transparent;color:#fff;border-color:#77669d}
    .cta .btn-secondary:hover{background:#362353;border-color:#a98aff}
    .site-footer{background:var(--dark);color:#fff;padding:57px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer-brand p{color:#a79dbb;font-size:13px;line-height:1.8;max-width:310px;margin:17px 0 0}
    .footer-title{font-size:14px;margin:5px 0 16px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#a79dbb;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid #302743;padding-top:19px;display:flex;justify-content:space-between;gap:15px;color:#817690;font-size:12px}
    .footer-bottom a{color:#a79dbb}
    :focus-visible{outline:3px solid rgba(99,230,193,.8);outline-offset:3px}
    @media(max-width:1024px){
      .header-inner{gap:16px}.logo{min-width:205px}.nav a{padding:8px 9px;font-size:13px}
      .page-hero-inner{gap:35px}.topic-grid{grid-template-columns:1fr 1fr}
      .topic-card:first-child{grid-column:span 2}.guide-layout,.faq-layout{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .site-header{height:70px}.header-inner{justify-content:space-between}
      .nav{display:none;position:absolute;top:70px;left:0;right:0;padding:14px 16px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:13px 15px}.header-actions .btn{display:none}.menu-toggle{display:block}
      .notice-inner{justify-content:flex-start;overflow:hidden;white-space:nowrap}
      .page-hero-inner{grid-template-columns:1fr;min-height:0;padding:48px 0 62px;gap:24px}
      .help-visual{min-height:220px}.page-hero h1{letter-spacing:-1px}
      .section{padding:68px 0}.section-head{display:block;margin-bottom:25px}.section-head .text-link{display:inline-block;margin-top:15px}
      .search-wrap{margin-top:-25px}.topic-grid{grid-template-columns:1fr}.topic-card:first-child{grid-column:auto}
      .guide-layout,.faq-layout{grid-template-columns:1fr}.guide-intro,.faq-intro{padding:0}
      .cta{display:block;padding:32px 25px}.cta-actions{margin-top:24px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}.logo{min-width:0}.logo-text{font-size:15px}.logo-text small{font-size:9px}
      .logo-mark{width:33px;height:33px}.notice-inner{font-size:12px;gap:10px}
      .page-hero h1{font-size:34px}.hero-copy{font-size:15px}
      .search-box{display:block;padding:8px}.search-box input{width:100%;height:45px}.search-box button{width:100%;margin-top:6px}
      .section-title,.guide-intro h2,.faq-intro h2{font-size:28px}
      .step{grid-template-columns:43px 1fr;gap:13px;padding:17px 15px}.step-num{width:36px;height:36px}
      .cta h2{font-size:24px}.cta-actions .btn{width:100%}
      .footer-top{grid-template-columns:1fr;gap:24px}.footer-bottom{display:block;line-height:2}
    }

/* 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}