/* roulang page: index */
:root{
  --ink:#171321;
  --ink-soft:#342d45;
  --muted:#756d84;
  --surface:#fff;
  --mist:#f6f3fa;
  --night:#191324;
  --night-2:#241a35;
  --purple:#8656f4;
  --purple-deep:#6638ce;
  --mint:#57e0c0;
  --coral:#ff907c;
  --line:#e8e1f1;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:11px;
  --shadow:0 18px 50px rgba(47,28,76,.10);
  --shadow-dark:0 20px 60px rgba(8,3,18,.28);
  --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit}
button,a{ -webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid rgba(134,86,244,.42);outline-offset:3px}
.container{width:min(1200px,calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(25,19,36,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
.navbar{height:78px;display:flex;align-items:center;gap:30px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--purple),var(--mint));display:grid;place-items:center;color:var(--night);font-size:15px;font-weight:900;box-shadow:0 5px 20px rgba(134,86,244,.35)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{position:relative;color:#c9c2d4;padding:10px 12px;font-size:14px;transition:var(--ease);white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--mint);border-radius:2px}
.header-action{background:var(--purple);color:#fff!important;border-radius:var(--radius-sm);padding:10px 17px!important;font-weight:700;box-shadow:0 8px 22px rgba(134,86,244,.28)}
.header-action:hover{background:#966cff;transform:translateY(-1px)}
.menu-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:9px;padding:7px 10px;cursor:pointer}
.hero{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:92px 0 84px}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(3px);pointer-events:none}
.hero:before{width:520px;height:520px;right:-160px;top:-260px;background:radial-gradient(circle,rgba(134,86,244,.45),transparent 68%)}
.hero:after{width:430px;height:430px;left:-260px;bottom:-260px;background:radial-gradient(circle,rgba(87,224,192,.19),transparent 68%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;align-items:center;gap:70px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:18px}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--mint)}
.hero h1{max-width:690px;font-size:clamp(32px,4.3vw,62px);line-height:1.18;letter-spacing:-.055em;margin:0 0 24px}
.hero-copy{max-width:600px;color:#c9c2d4;font-size:17px;margin:0 0 32px}
.actions{display:flex;flex-wrap:wrap;gap:13px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:750;transition:var(--ease);cursor:pointer}
.btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 26px rgba(134,86,244,.27)}
.btn-primary:hover{background:#986dff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(134,86,244,.4)}
.btn-secondary{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.05)}
.btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
.visual-stage{min-height:390px;position:relative;display:flex;align-items:center;justify-content:center}
.orbit{width:320px;height:320px;border:1px solid rgba(87,224,192,.3);border-radius:50%;position:absolute;transform:rotate(-18deg)}
.orbit:after{content:"";position:absolute;width:13px;height:13px;background:var(--mint);border-radius:50%;top:24px;right:42px;box-shadow:0 0 24px var(--mint)}
.interface-card{position:relative;width:min(350px,90%);padding:23px;background:linear-gradient(150deg,#372552,#21172f);border:1px solid rgba(255,255,255,.16);border-radius:24px;box-shadow:var(--shadow-dark);transform:rotate(4deg)}
.interface-top{display:flex;justify-content:space-between;align-items:center;color:#fff;font-weight:700;margin-bottom:24px}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--mint);display:inline-block;margin-right:6px;box-shadow:0 0 12px var(--mint)}
.interface-banner{height:126px;border-radius:17px;background:linear-gradient(135deg,#a16cff 0%,#613ac0 48%,#2a9d99 100%);position:relative;overflow:hidden;padding:20px}
.interface-banner:after{content:"";position:absolute;width:180px;height:180px;right:-45px;top:-35px;border:22px solid rgba(255,255,255,.16);border-radius:50%}
.interface-banner strong{position:relative;z-index:1;font-size:22px;line-height:1.35;display:block;max-width:150px}
.interface-rows{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:15px}
.interface-row{height:67px;border-radius:12px;background:rgba(255,255,255,.09);padding:11px;color:#ddd5ec;font-size:12px}
.interface-row i{display:block;width:22px;height:22px;border-radius:7px;background:var(--mint);margin-bottom:7px}
.trust-strip{background:#21182f;border-top:1px solid rgba(255,255,255,.08);padding:18px 0}
.trust-items{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#bcb3ca;font-size:14px}
.trust-items span{display:flex;align-items:center;gap:9px}
.trust-items b{color:var(--mint);font-size:18px}
.section{padding:90px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}
.section-kicker{color:var(--purple-deep);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:7px}
.section h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.04em;margin:0}
.section-lead{max-width:570px;color:var(--muted);margin:10px 0 0}
.text-link{color:var(--purple-deep);font-weight:750;white-space:nowrap}
.text-link:hover{text-decoration:underline}
.entry-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
.entry-main,.entry-side{border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);padding:30px;transition:var(--ease)}
.entry-main{min-height:255px;background:linear-gradient(135deg,#fff 25%,#eee7ff)}
.entry-main:hover,.entry-side:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.entry-side{display:flex;flex-direction:column;justify-content:space-between}
.entry-icon{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;background:#e8dcff;color:var(--purple-deep);font-size:21px;margin-bottom:34px}
.entry-main h3,.entry-side h3{font-size:24px;margin:0 0 8px}
.entry-main p,.entry-side p{color:var(--muted);margin:0 0 20px}
.entry-main .text-link,.entry-side .text-link{margin-top:auto}
.experience{background:var(--night);color:#fff}
.experience .section-kicker{color:var(--mint)}
.experience .section-lead{color:#aaa0b9}
.experience-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:18px}
.feature-card{min-height:385px;border-radius:var(--radius-lg);padding:34px;position:relative;overflow:hidden;background:linear-gradient(145deg,#302047,#1f172c);border:1px solid rgba(255,255,255,.11)}
.feature-card:after{content:"";position:absolute;width:280px;height:280px;right:-80px;bottom:-100px;border:35px solid rgba(134,86,244,.24);border-radius:50%}
.feature-card h3{font-size:29px;line-height:1.3;max-width:330px;margin:46px 0 12px}
.feature-card p{max-width:390px;color:#bdb4c9}
.card-label{display:inline-flex;padding:6px 11px;border-radius:99px;background:rgba(87,224,192,.14);color:var(--mint);font-size:12px;font-weight:700}
.experience-list{display:grid;gap:12px}
.experience-item{display:grid;grid-template-columns:54px 1fr auto;gap:15px;align-items:center;padding:20px;border-radius:17px;background:#271b39;border:1px solid rgba(255,255,255,.08);transition:var(--ease)}
.experience-item:hover{border-color:rgba(87,224,192,.55);transform:translateX(3px)}
.item-number{color:var(--mint);font-size:22px;font-weight:800}
.experience-item h4{margin:0;font-size:17px}
.experience-item p{margin:3px 0 0;color:#a99fb5;font-size:13px}
.arrow{color:var(--mint);font-size:22px}
.download-zone{padding-top:0}
.download-box{background:linear-gradient(120deg,#e9fff8,#f7f2ff 72%);border:1px solid #d6eae5;border-radius:var(--radius-lg);padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;overflow:hidden}
.download-box h2{margin:0 0 13px;font-size:36px;line-height:1.3}
.download-box p{color:var(--muted);margin:0 0 20px}
.platforms{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}
.platform{border:1px solid #cfe5df;border-radius:8px;color:#297a6b;padding:5px 10px;font-size:12px;font-weight:700;background:rgba(255,255,255,.6)}
.phone-panel{display:flex;justify-content:center}
.phone{width:210px;height:315px;border:8px solid #2b2038;border-radius:29px;background:#fff;box-shadow:0 20px 40px rgba(45,31,62,.18);padding:18px 13px;position:relative}
.phone:before{content:"";width:62px;height:7px;position:absolute;top:7px;left:66px;border-radius:9px;background:#2b2038}
.phone-screen{height:100%;border-radius:17px;background:linear-gradient(160deg,#faf7ff,#e5fff8);padding:20px 12px}
.phone-screen strong{display:block;font-size:17px;margin:12px 0 17px}
.phone-bar{height:11px;border-radius:8px;background:#d8c7ff;margin:9px 0}
.phone-bar.short{width:63%;background:#a8ebdc}
.news-section{background:#fff}
.news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
.news-feature{padding:30px;border-radius:var(--radius-lg);background:var(--night);color:#fff;min-height:280px;display:flex;flex-direction:column;justify-content:end}
.news-feature h3{font-size:25px;line-height:1.4;margin:12px 0 8px}
.news-feature p{color:#c3baca;margin:0}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:78px 1fr auto;gap:17px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.news-item:hover{padding-left:7px}
.news-date{color:var(--purple-deep);font-size:13px;font-weight:750}
.news-item h4{margin:0;font-size:16px;line-height:1.45}
.news-item p{margin:3px 0 0;color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-arrow{color:var(--purple);font-size:20px}
.empty-state{padding:30px;border:1px dashed #cfc4de;border-radius:16px;color:var(--muted);text-align:center}
.faq-wrap{max-width:850px;margin:auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-question{width:100%;background:none;border:0;padding:22px 4px;text-align:left;color:var(--ink);font-weight:750;font-size:17px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-question span{color:var(--purple);font-size:24px;font-weight:400;transition:var(--ease)}
.faq-answer{display:none;color:var(--muted);padding:0 40px 22px 4px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span{transform:rotate(45deg)}
.final-cta{padding:70px 0;background:linear-gradient(125deg,#271a3c,#432477);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-inner h2{font-size:34px;line-height:1.3;margin:0 0 8px}
.cta-inner p{color:#c8bdd4;margin:0}
.site-footer{background:#171121;color:#c4bace;padding:58px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px}
.footer-brand p{max-width:290px;color:#958aa2;font-size:14px}
.footer-title{color:#fff;font-size:14px;font-weight:800;margin:0 0 16px}
.footer-links{display:grid;gap:8px;font-size:14px}
.footer-links a{color:#a99eb3;transition:var(--ease)}
.footer-links a:hover{color:var(--mint);padding-left:3px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#81768d;font-size:13px}
@media(max-width:1200px){.nav-links{gap:0}.nav-links a{padding-left:8px;padding-right:8px;font-size:13px}.header-action{padding-left:13px!important;padding-right:13px!important}}
@media(max-width:992px){.hero-grid,.experience-grid,.news-layout{grid-template-columns:1fr}.hero{padding:70px 0}.visual-stage{min-height:330px}.entry-layout{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media(max-width:768px){.container{width:min(100% - 34px,600px)}.navbar{height:68px;gap:12px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:#20172d;border-bottom:1px solid rgba(255,255,255,.1);padding:12px 17px 18px;flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px 8px}.nav-links a.active:after{left:8px;right:auto;width:28px;bottom:5px}.header-action{display:none}.hero{padding:58px 0 55px}.hero h1{font-size:39px}.hero-copy{font-size:16px}.section{padding:58px 0}.section-head{display:block;margin-bottom:24px}.section-head .text-link{display:inline-block;margin-top:14px}.entry-layout,.download-box{grid-template-columns:1fr}.entry-main{min-height:220px}.download-box{padding:30px;gap:28px}.download-box h2{font-size:29px}.phone-panel{order:-1}.feature-card{min-height:300px}.cta-inner{display:block}.cta-inner .actions{margin-top:23px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:576px){.container{width:calc(100% - 28px)}.logo{font-size:17px}.logo-mark{width:30px;height:30px;font-size:13px}.hero h1{font-size:32px}.actions .btn{width:100%}.visual-stage{min-height:285px}.orbit{width:245px;height:245px}.interface-card{width:285px}.interface-banner{height:100px}.trust-items{display:grid;grid-template-columns:1fr 1fr;gap:9px;font-size:12px}.entry-main,.entry-side,.feature-card{padding:24px}.experience-item{grid-template-columns:35px 1fr auto;padding:16px 13px}.news-item{grid-template-columns:1fr auto;gap:4px}.news-date{grid-column:1/-1}.news-item p{white-space:normal}.download-box{padding:24px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}

/* roulang page: article */
:root{
      --ink:#171321;
      --ink-soft:#342d45;
      --muted:#756d84;
      --surface:#fff;
      --mist:#f6f3fa;
      --night:#191324;
      --night-2:#241a35;
      --purple:#8656f4;
      --purple-deep:#6638ce;
      --mint:#57e0c0;
      --coral:#ff907c;
      --line:#e8e1f1;
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:11px;
      --shadow:0 18px 50px rgba(47,28,76,.10);
      --shadow-dark:0 20px 60px rgba(8,3,18,.28);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--mist);
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    :focus-visible{outline:3px solid rgba(87,224,192,.85);outline-offset:3px}
    .container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(25,19,36,.94);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(255,255,255,.08)
    }
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{
      display:inline-flex;align-items:center;gap:10px;color:#fff;
      font-weight:800;font-size:21px;letter-spacing:-.04em;white-space:nowrap
    }
    .logo-mark{
      width:34px;height:34px;border-radius:11px;
      background:linear-gradient(135deg,var(--purple),var(--mint));
      display:grid;place-items:center;color:var(--night);
      font-size:15px;font-weight:900;
      box-shadow:0 5px 20px rgba(134,86,244,.35)
    }
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{
      position:relative;color:#c9c2d4;padding:10px 12px;
      font-size:14px;transition:var(--ease);white-space:nowrap
    }
    .nav-links a:hover,.nav-links a.active{color:#fff}
    .nav-links a.active:after{
      content:"";position:absolute;left:12px;right:12px;bottom:2px;
      height:2px;background:var(--mint);border-radius:2px
    }
    .header-action{
      background:var(--purple);color:#fff!important;border-radius:var(--radius-sm);
      padding:10px 17px!important;font-weight:700;
      box-shadow:0 8px 22px rgba(134,86,244,.28)
    }
    .header-action:hover{background:#966cff;transform:translateY(-1px)}
    .menu-toggle{
      display:none;background:transparent;border:1px solid rgba(255,255,255,.2);
      color:#fff;border-radius:9px;padding:7px 10px;cursor:pointer
    }
    .article-hero{
      position:relative;overflow:hidden;background:var(--night);
      color:#fff;padding:68px 0 74px
    }
    .article-hero:before{
      content:"";position:absolute;width:520px;height:520px;right:-170px;top:-300px;
      background:radial-gradient(circle,rgba(134,86,244,.42),transparent 68%);
      border-radius:50%;pointer-events:none
    }
    .article-hero:after{
      content:"";position:absolute;width:360px;height:360px;left:-220px;bottom:-240px;
      background:radial-gradient(circle,rgba(87,224,192,.18),transparent 68%);
      border-radius:50%;pointer-events:none
    }
    .article-hero-inner{position:relative;z-index:1}
    .breadcrumb{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;
      color:#aaa0b9;font-size:14px;margin:0 0 28px
    }
    .breadcrumb a{color:#d5cdea;transition:var(--ease)}
    .breadcrumb a:hover{color:var(--mint)}
    .breadcrumb .separator{color:#766b88}
    .article-tag{
      display:inline-flex;align-items:center;padding:6px 12px;border-radius:99px;
      background:rgba(87,224,192,.13);color:var(--mint);
      font-size:13px;font-weight:750;margin-bottom:18px
    }
    .article-hero h1{
      max-width:900px;margin:0 0 20px;font-size:clamp(30px,4.2vw,56px);
      line-height:1.25;letter-spacing:-.05em
    }
    .article-meta{
      display:flex;align-items:center;gap:20px;flex-wrap:wrap;
      color:#bcb3ca;font-size:14px
    }
    .article-meta span{display:inline-flex;align-items:center;gap:7px}
    .meta-dot{width:6px;height:6px;border-radius:50%;background:var(--mint)}
    .article-layout{
      display:grid;grid-template-columns:minmax(0,820px) 260px;
      gap:44px;align-items:start;padding:72px 0 90px
    }
    .article-card{
      background:var(--surface);border:1px solid var(--line);
      border-radius:var(--radius-lg);box-shadow:var(--shadow);
      padding:clamp(25px,4vw,54px)
    }
    .article-intro{
      color:var(--ink-soft);font-size:18px;line-height:1.85;
      border-left:4px solid var(--purple);padding:4px 0 4px 20px;
      margin:0 0 34px
    }
    .article-content{color:var(--ink-soft);font-size:17px;line-height:1.95}
    .article-content h2{
      color:var(--ink);font-size:30px;line-height:1.35;
      letter-spacing:-.035em;margin:42px 0 16px
    }
    .article-content h3{
      color:var(--ink);font-size:23px;line-height:1.45;
      margin:32px 0 12px
    }
    .article-content p{margin:0 0 21px}
    .article-content ul,.article-content ol{padding-left:26px;margin:0 0 24px}
    .article-content li{margin:7px 0}
    .article-content blockquote{
      margin:28px 0;padding:18px 22px;border-radius:var(--radius-sm);
      background:#f0ebff;border-left:3px solid var(--purple-deep);
      color:var(--ink-soft)
    }
    .article-content img{border-radius:var(--radius-md);margin:28px auto}
    .article-content table{
      width:100%;border-collapse:collapse;margin:28px 0;
      background:#fcfbfe;border:1px solid var(--line)
    }
    .article-content th,.article-content td{
      padding:12px 14px;border:1px solid var(--line);text-align:left
    }
    .article-content th{background:#f0ebff;color:var(--ink);font-weight:750}
    .article-content a{color:var(--purple-deep);font-weight:700}
    .article-content a:hover{text-decoration:underline}
    .article-content hr{border:0;border-top:1px solid var(--line);margin:38px 0}
    .article-side{position:sticky;top:104px}
    .side-card{
      background:var(--surface);border:1px solid var(--line);
      border-radius:var(--radius-md);padding:22px
    }
    .side-card+.side-card{margin-top:16px}
    .side-title{font-size:16px;font-weight:800;margin:0 0 15px}
    .side-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .side-list a{
      display:block;color:var(--muted);font-size:14px;
      padding:9px 0;border-bottom:1px solid var(--line);transition:var(--ease)
    }
    .side-list li:last-child a{border-bottom:0}
    .side-list a:hover{color:var(--purple-deep);padding-left:4px}
    .side-note{
      color:var(--muted);font-size:14px;margin:0
    }
    .empty-state{
      text-align:center;padding:52px 24px;background:var(--surface);
      border:1px solid var(--line);border-radius:var(--radius-lg);
      box-shadow:var(--shadow)
    }
    .empty-icon{
      width:58px;height:58px;margin:0 auto 18px;border-radius:18px;
      display:grid;place-items:center;background:#eee7ff;color:var(--purple-deep);
      font-size:24px;font-weight:800
    }
    .empty-state h2{font-size:25px;margin:0 0 9px}
    .empty-state p{color:var(--muted);margin:0 0 22px}
    .article-footer{
      display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
      border-top:1px solid var(--line);margin-top:42px;padding-top:25px
    }
    .article-footer a{
      color:var(--purple-deep);font-weight:750;transition:var(--ease)
    }
    .article-footer a:hover{color:var(--purple);transform:translateX(2px)}
    .cta-section{padding:0 0 90px}
    .cta-box{
      position:relative;overflow:hidden;border-radius:var(--radius-lg);
      padding:42px 48px;background:linear-gradient(120deg,#2b1d43,#4a2c78);
      color:#fff;display:flex;align-items:center;justify-content:space-between;
      gap:28px;box-shadow:var(--shadow-dark)
    }
    .cta-box:after{
      content:"";position:absolute;width:250px;height:250px;right:8%;top:-150px;
      border:28px solid rgba(87,224,192,.13);border-radius:50%
    }
    .cta-box h2{position:relative;z-index:1;margin:0 0 8px;font-size:30px;line-height:1.3}
    .cta-box p{position:relative;z-index:1;color:#d2c9df;margin:0}
    .cta-actions{position:relative;z-index:1;display:flex;gap:11px;flex-wrap:wrap}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:0 21px;border:1px solid transparent;
      border-radius:12px;font-weight:750;transition:var(--ease);cursor:pointer
    }
    .btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 26px rgba(134,86,244,.27)}
    .btn-primary:hover{background:#986dff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(134,86,244,.4)}
    .btn-secondary{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.05)}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .site-footer{background:var(--night);color:#fff;padding:60px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer-brand p{max-width:300px;color:#a9a0b7;font-size:14px;margin:17px 0 0}
    .footer-title{font-size:15px;margin:4px 0 15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#a9a0b7;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{
      display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;
      border-top:1px solid rgba(255,255,255,.1);margin-top:45px;padding-top:20px;
      color:#81778f;font-size:13px
    }
    @media (max-width:1200px){
      .nav-links{gap:0}
      .nav-links a{padding-left:9px;padding-right:9px}
      .article-layout{grid-template-columns:minmax(0,1fr) 230px;gap:28px}
    }
    @media (max-width:992px){
      .navbar{gap:16px}
      .nav-links a{font-size:13px;padding-left:7px;padding-right:7px}
      .article-layout{grid-template-columns:1fr}
      .article-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}
      .side-card+.side-card{margin-top:0}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 36px,600px)}
      .navbar{height:70px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{
        display:none;position:absolute;left:18px;right:18px;top:66px;
        flex-direction:column;align-items:stretch;gap:2px;padding:12px;
        background:#241a35;border:1px solid rgba(255,255,255,.12);
        border-radius:16px;box-shadow:var(--shadow-dark)
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-links a.active:after{left:14px;right:auto;width:28px;bottom:6px}
      .header-action{display:none}
      .article-hero{padding:48px 0 55px}
      .article-layout{padding:45px 0 60px}
      .article-side{grid-template-columns:1fr}
      .cta-section{padding-bottom:60px}
      .cta-box{display:block;padding:32px 27px}
      .cta-actions{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:576px){
      .container{width:calc(100% - 30px)}
      .logo{font-size:18px}
      .logo-mark{width:31px;height:31px;border-radius:10px}
      .article-hero h1{font-size:31px}
      .article-card{padding:24px 19px}
      .article-content{font-size:16px}
      .article-content h2{font-size:25px}
      .article-content h3{font-size:21px}
      .article-intro{font-size:16px;padding-left:15px}
      .article-footer{display:grid;gap:13px}
      .cta-box h2{font-size:25px}
      .cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .footer-bottom{display:grid;gap:7px}
    }

/* roulang page: article */
:root{
      --ink:#171321;
      --ink-soft:#342d45;
      --muted:#756d84;
      --surface:#fff;
      --mist:#f6f3fa;
      --night:#191324;
      --night-2:#241a35;
      --purple:#8656f4;
      --purple-deep:#6638ce;
      --mint:#57e0c0;
      --coral:#ff907c;
      --line:#e8e1f1;
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:11px;
      --shadow:0 18px 50px rgba(47,28,76,.10);
      --shadow-dark:0 20px 60px rgba(8,3,18,.28);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    :focus-visible{outline:3px solid rgba(87,224,192,.9);outline-offset:3px}
    .container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(25,19,36,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--purple),var(--mint));display:grid;place-items:center;color:var(--night);font-size:15px;font-weight:900;box-shadow:0 5px 20px rgba(134,86,244,.35)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;color:#c9c2d4;padding:10px 12px;font-size:14px;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--mint);border-radius:2px}
    .header-action{background:var(--purple);color:#fff!important;border-radius:var(--radius-sm);padding:10px 17px!important;font-weight:700;box-shadow:0 8px 22px rgba(134,86,244,.28)}
    .header-action:hover{background:#966cff;transform:translateY(-1px)}
    .menu-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:9px;padding:7px 10px;cursor:pointer}
    .article-hero{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:70px 0 76px}
    .article-hero:before,.article-hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .article-hero:before{width:480px;height:480px;right:-150px;top:-260px;background:radial-gradient(circle,rgba(134,86,244,.42),transparent 68%)}
    .article-hero:after{width:360px;height:360px;left:-210px;bottom:-240px;background:radial-gradient(circle,rgba(87,224,192,.17),transparent 68%)}
    .hero-inner{position:relative;z-index:1;max-width:920px}
    .breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:#a9a0b8;font-size:14px;margin:0 0 27px}
    .breadcrumb a{color:#d7d0e1;transition:var(--ease)}
    .breadcrumb a:hover{color:var(--mint)}
    .breadcrumb .separator{color:#685d79}
    .article-label{display:inline-flex;align-items:center;padding:7px 13px;border-radius:99px;background:rgba(87,224,192,.13);color:var(--mint);font-size:13px;font-weight:800;margin-bottom:19px}
    .article-hero h1{max-width:900px;font-size:clamp(31px,4.8vw,58px);line-height:1.22;letter-spacing:-.05em;margin:0 0 22px}
    .article-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;color:#bdb4c9;font-size:14px}
    .article-meta span{display:inline-flex;align-items:center;gap:7px}
    .meta-dot{width:6px;height:6px;border-radius:50%;background:var(--mint)}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 270px;gap:54px;align-items:start;padding:76px 0 92px}
    .article-content{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:44px 52px;box-shadow:var(--shadow)}
    .article-content h2{font-size:30px;line-height:1.35;margin:38px 0 15px;color:var(--ink)}
    .article-content h3{font-size:23px;line-height:1.4;margin:30px 0 12px;color:var(--ink-soft)}
    .article-content p{margin:0 0 20px;color:var(--ink-soft)}
    .article-content ul,.article-content ol{margin:0 0 24px;padding-left:1.5em;color:var(--ink-soft)}
    .article-content li{padding:4px 0}
    .article-content blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--purple);background:#f4efff;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-soft)}
    .article-content img{width:100%;border-radius:var(--radius-md);margin:27px 0}
    .article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
    .article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line);text-align:left}
    .article-content th{background:#f4efff;color:var(--ink);font-weight:750}
    .article-content a{color:var(--purple-deep);font-weight:700;text-decoration:underline;text-underline-offset:3px}
    .article-content hr{border:0;border-top:1px solid var(--line);margin:34px 0}
    .article-aside{position:sticky;top:104px}
    .aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px}
    .aside-card + .aside-card{margin-top:16px}
    .aside-title{font-size:17px;font-weight:800;margin:0 0 16px}
    .aside-card p{color:var(--muted);font-size:14px;margin:0 0 18px}
    .aside-link{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink-soft);transition:var(--ease)}
    .aside-link:last-child{border-bottom:0;padding-bottom:0}
    .aside-link:hover{color:var(--purple-deep);padding-left:4px}
    .aside-link b{color:var(--purple);font-size:18px}
    .empty-state{text-align:center;padding:58px 24px}
    .empty-icon{width:64px;height:64px;border-radius:20px;background:#eee7ff;color:var(--purple);display:grid;place-items:center;font-size:27px;margin:0 auto 18px}
    .empty-state h2{font-size:28px;margin:0 0 10px}
    .empty-state p{color:var(--muted);margin:0 0 24px}
    .article-footer{border-top:1px solid var(--line);margin-top:40px;padding-top:25px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .back-link{display:inline-flex;align-items:center;gap:8px;color:var(--purple-deep);font-weight:750;transition:var(--ease)}
    .back-link:hover{color:var(--purple);transform:translateX(-2px)}
    .cta-strip{background:var(--night);color:#fff;padding:62px 0}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-box h2{font-size:clamp(25px,3vw,38px);line-height:1.3;margin:0 0 8px}
    .cta-box p{color:#bdb4c9;margin:0;max-width:650px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:750;transition:var(--ease);cursor:pointer}
    .btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 26px rgba(134,86,244,.27)}
    .btn-primary:hover{background:#986dff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(134,86,244,.4)}
    .btn-secondary{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.05)}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .site-footer{background:#120e1b;color:#fff;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:38px;padding-bottom:42px}
    .footer-brand .logo{margin-bottom:17px}
    .footer-brand p{max-width:300px;color:#9e95ab;font-size:14px;margin:0}
    .footer-title{font-size:15px;margin:7px 0 14px;color:#fff}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#9e95ab;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:19px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#766d82;font-size:12px}
    @media (max-width:1200px){
      .nav-links a{padding-left:8px;padding-right:8px;font-size:13px}
      .navbar{gap:18px}
      .article-layout{grid-template-columns:minmax(0,1fr) 235px;gap:30px}
    }
    @media (max-width:992px){
      .nav-links{gap:0}
      .nav-links a{padding:10px 6px;font-size:12px}
      .header-action{padding:9px 11px!important}
      .article-layout{grid-template-columns:1fr}
      .article-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}
      .aside-card + .aside-card{margin-top:0}
      .cta-box{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:768px){
      .container{width:min(100% - 36px,620px)}
      .navbar{height:70px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;left:18px;right:18px;top:68px;padding:10px;background:rgba(36,26,53,.98);border:1px solid rgba(255,255,255,.12);border-radius:14px;box-shadow:var(--shadow-dark);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px;font-size:14px;border-radius:9px}
      .nav-links a:hover,.nav-links a.active{background:rgba(134,86,244,.18)}
      .nav-links a.active:after{left:5px;right:auto;top:15px;bottom:15px;width:3px;height:auto}
      .header-action{margin-top:4px;text-align:center}
      .article-hero{padding:48px 0 55px}
      .article-hero h1{font-size:clamp(30px,8vw,44px)}
      .article-layout{padding:45px 0 58px}
      .article-content{padding:29px 24px;border-radius:18px}
      .article-content h2{font-size:26px}
      .article-aside{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media (max-width:576px){
      .container{width:calc(100% - 30px)}
      .logo{font-size:18px}
      .logo-mark{width:31px;height:31px}
      .article-meta{gap:10px 15px}
      .article-content{padding:25px 18px}
      .article-content h2{font-size:23px}
      .article-content h3{font-size:20px}
      .article-content table{display:block;overflow-x:auto;white-space:nowrap}
      .cta-strip{padding:45px 0}
      .cta-actions{width:100%;flex-direction:column}
      .cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid;gap:6px}
    }

/* roulang page: category1 */
:root{
      --ink:#171321;
      --ink-soft:#342d45;
      --muted:#756d84;
      --surface:#fff;
      --mist:#f6f3fa;
      --night:#191324;
      --night-2:#241a35;
      --purple:#8656f4;
      --purple-deep:#6638ce;
      --mint:#57e0c0;
      --coral:#ff907c;
      --line:#e8e1f1;
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:11px;
      --shadow:0 18px 50px rgba(47,28,76,.10);
      --shadow-dark:0 20px 60px rgba(8,3,18,.28);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a,button{ -webkit-tap-highlight-color:transparent}
    img{display:block;max-width:100%}
    button{font:inherit}
    :focus-visible{outline:3px solid rgba(87,224,192,.85);outline-offset:3px}
    .container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(25,19,36,.95);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--purple),var(--mint));display:grid;place-items:center;color:var(--night);font-size:15px;font-weight:900;box-shadow:0 5px 20px rgba(134,86,244,.35)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;color:#c9c2d4;padding:10px 12px;font-size:14px;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--mint);border-radius:2px}
    .header-action{background:var(--purple);color:#fff!important;border-radius:var(--radius-sm);padding:10px 17px!important;font-weight:700;box-shadow:0 8px 22px rgba(134,86,244,.28)}
    .header-action:hover{background:#966cff;transform:translateY(-1px)}
    .menu-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:9px;padding:7px 10px;cursor:pointer}
    .hero{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:76px 0 72px}
    .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .hero:before{width:560px;height:560px;right:-180px;top:-300px;background:radial-gradient(circle,rgba(134,86,244,.43),transparent 68%)}
    .hero:after{width:460px;height:460px;left:-280px;bottom:-300px;background:radial-gradient(circle,rgba(87,224,192,.18),transparent 68%)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
    .breadcrumbs{display:flex;gap:9px;align-items:center;color:#958ba6;font-size:13px;margin-bottom:28px}
    .breadcrumbs a:hover{color:var(--mint)}
    .breadcrumbs span{color:#5d526d}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:17px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--mint)}
    .hero h1{max-width:610px;font-size:clamp(34px,4.2vw,58px);line-height:1.18;letter-spacing:-.055em;margin:0 0 22px}
    .hero-copy{max-width:590px;color:#c9c2d4;font-size:17px;margin:0 0 30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:750;transition:var(--ease);cursor:pointer}
    .btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 26px rgba(134,86,244,.27)}
    .btn-primary:hover{background:#986dff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(134,86,244,.4)}
    .btn-secondary{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.05)}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .entry-visual{min-height:340px;position:relative;display:grid;place-items:center}
    .portal-card{width:min(440px,100%);padding:28px;border-radius:25px;background:linear-gradient(145deg,#3b2858,#21172f);border:1px solid rgba(255,255,255,.15);box-shadow:var(--shadow-dark);transform:rotate(-3deg)}
    .portal-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:20px}
    .portal-title{font-size:20px;font-weight:800;color:#fff}
    .online-dot{display:inline-flex;align-items:center;gap:7px;color:var(--mint);font-size:12px}
    .online-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(87,224,192,.12)}
    .portal-path{margin:23px 0 18px;padding:15px 17px;border-radius:13px;background:rgba(255,255,255,.08);color:#ddd5eb;font-size:14px}
    .portal-path strong{display:block;color:#fff;margin-bottom:3px}
    .portal-items{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
    .portal-item{padding:14px 10px;border-radius:12px;background:rgba(255,255,255,.08);color:#c8bed8;font-size:12px;text-align:center}
    .portal-item b{display:block;color:#fff;font-size:15px;margin-bottom:4px}
    .section{padding:86px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
    .section-kicker{color:var(--purple-deep);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:7px}
    .section h2{font-size:clamp(28px,3.1vw,42px);line-height:1.25;letter-spacing:-.04em;margin:0}
    .section-lead{max-width:590px;color:var(--muted);margin:10px 0 0}
    .text-link{color:var(--purple-deep);font-weight:750;white-space:nowrap}
    .text-link:hover{text-decoration:underline;color:var(--purple)}
    .route-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
    .route-main,.route-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);transition:var(--ease)}
    .route-main{padding:34px;background:linear-gradient(135deg,#fff 18%,#eee7ff)}
    .route-card{padding:26px;display:flex;flex-direction:column;justify-content:space-between;min-height:176px}
    .route-main:hover,.route-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .route-main h3,.route-card h3{font-size:23px;margin:16px 0 8px}
    .route-main p,.route-card p{color:var(--muted);margin:0 0 18px}
    .route-side{display:grid;gap:18px}
    .tag{display:inline-flex;padding:6px 11px;border-radius:99px;background:rgba(134,86,244,.1);color:var(--purple-deep);font-size:12px;font-weight:800}
    .tag.mint{background:rgba(87,224,192,.15);color:#168b76}
    .steps-section{background:#fff}
    .steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step{padding:28px 25px;border-top:3px solid var(--purple);background:var(--mist);border-radius:0 0 var(--radius-md) var(--radius-md)}
    .step:nth-child(2){border-color:var(--mint)}
    .step:nth-child(3){border-color:var(--coral)}
    .step-number{font-size:14px;color:var(--purple-deep);font-weight:900;letter-spacing:.08em}
    .step h3{font-size:20px;margin:18px 0 8px}
    .step p{color:var(--muted);margin:0}
    .notice{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
    .notice-copy{padding:35px;border-radius:var(--radius-lg);background:var(--night);color:#fff;position:relative;overflow:hidden}
    .notice-copy:after{content:"";position:absolute;width:190px;height:190px;right:-70px;bottom:-85px;border:24px solid rgba(87,224,192,.18);border-radius:50%}
    .notice-copy h2{position:relative;z-index:1;font-size:31px;margin:0 0 12px}
    .notice-copy p{position:relative;z-index:1;color:#c8bed3;margin:0}
    .notice-list{display:grid;gap:0}
    .notice-row{display:flex;align-items:center;gap:17px;padding:18px 0;border-bottom:1px solid var(--line)}
    .notice-row:first-child{border-top:1px solid var(--line)}
    .notice-icon{width:42px;height:42px;flex:none;border-radius:13px;background:#ebe4ff;color:var(--purple-deep);display:grid;place-items:center;font-weight:900}
    .notice-row h3{font-size:16px;margin:0 0 2px}
    .notice-row p{color:var(--muted);font-size:13px;margin:0}
    .access-panel{background:#e7fff8;border:1px solid #b8eee2;border-radius:var(--radius-lg);padding:32px;display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center}
    .access-panel h2{font-size:28px;margin:0 0 8px}
    .access-panel p{color:#527a72;margin:0;max-width:700px}
    .faq-list{max-width:850px;margin: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;padding:21px 4px;border:0;background:none;color:var(--ink);font-weight:800;cursor:pointer}
    .faq-question span:last-child{font-size:24px;color:var(--purple);font-weight:400;transition:var(--ease)}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .3s ease}
    .faq-item.open .faq-answer{max-height:150px}
    .faq-answer p{padding:0 42px 21px 4px;margin:0}
    .cta{padding:62px 0;background:linear-gradient(120deg,var(--purple-deep),#8a58e8);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:clamp(27px,3.2vw,40px);margin:0 0 8px}
    .cta p{color:#e8ddff;margin:0}
    .cta .btn-primary{background:#fff;color:var(--purple-deep);box-shadow:none}
    .cta .btn-primary:hover{background:#f4efff}
    .site-footer{background:var(--night);color:#fff;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{max-width:290px;color:#a9a0b7;font-size:14px;margin:17px 0 0}
    .footer-title{font-size:14px;margin:4px 0 15px;color:#fff}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#aaa1b7;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);margin-top:42px;padding-top:19px;color:#81768e;font-size:12px}
    @media(max-width:1200px){.nav-links a{padding-left:8px;padding-right:8px}.navbar{gap:14px}}
    @media(max-width:992px){.hero-grid,.notice{grid-template-columns:1fr;gap:35px}.hero{padding-top:58px}.entry-visual{min-height:280px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 32px,600px)}.navbar{height:68px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;padding:12px;background:var(--night-2);border:1px solid rgba(255,255,255,.12);border-radius:15px;box-shadow:var(--shadow-dark);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{left:14px;right:auto;width:28px;bottom:7px}.header-action{display:none}.hero h1{font-size:clamp(34px,9vw,48px)}.hero-copy{font-size:16px}.section{padding:58px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:17px}.route-grid,.steps-grid{grid-template-columns:1fr}.route-side{grid-template-columns:1fr 1fr}.access-panel{grid-template-columns:1fr}.cta-inner{display:block}.cta .hero-actions{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:576px){.hero{padding:45px 0 50px}.hero-actions .btn{width:100%}.portal-card{transform:none;padding:22px}.portal-items{gap:6px}.route-side{grid-template-columns:1fr}.notice-copy{padding:27px}.access-panel{padding:25px}.faq-question{padding:18px 0;font-size:15px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:grid;gap:7px;margin-top:30px}}

/* roulang page: category2 */
:root{
      --ink:#171321;
      --ink-soft:#342d45;
      --muted:#756d84;
      --surface:#fff;
      --mist:#f6f3fa;
      --night:#191324;
      --night-2:#241a35;
      --purple:#8656f4;
      --purple-deep:#6638ce;
      --mint:#57e0c0;
      --coral:#ff907c;
      --line:#e8e1f1;
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:11px;
      --shadow:0 18px 50px rgba(47,28,76,.10);
      --shadow-dark:0 20px 60px rgba(8,3,18,.28);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(87,224,192,.8);outline-offset:3px}
    .container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(25,19,36,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--purple),var(--mint));display:grid;place-items:center;color:var(--night);font-size:15px;font-weight:900;box-shadow:0 5px 20px rgba(134,86,244,.35)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;color:#c9c2d4;padding:10px 12px;font-size:14px;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--mint);border-radius:2px}
    .header-action{background:var(--purple);color:#fff!important;border-radius:var(--radius-sm);padding:10px 17px!important;font-weight:700;box-shadow:0 8px 22px rgba(134,86,244,.28)}
    .header-action:hover{background:#966cff;transform:translateY(-1px)}
    .menu-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:9px;padding:7px 10px;cursor:pointer}
    .hero{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:72px 0 76px}
    .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .hero:before{width:560px;height:560px;right:-180px;top:-300px;background:radial-gradient(circle,rgba(134,86,244,.45),transparent 68%)}
    .hero:after{width:420px;height:420px;left:-250px;bottom:-280px;background:radial-gradient(circle,rgba(87,224,192,.18),transparent 68%)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
    .breadcrumb{font-size:13px;color:#8f86a0;margin-bottom:24px}
    .breadcrumb a{color:#c8bfd4}.breadcrumb span{margin:0 9px;color:#625675}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:17px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--mint)}
    .hero h1{max-width:660px;font-size:clamp(34px,4.5vw,58px);line-height:1.18;letter-spacing:-.055em;margin:0 0 22px}
    .hero-copy{max-width:590px;color:#c9c2d4;font-size:17px;margin:0 0 30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:750;transition:var(--ease);cursor:pointer}
    .btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 26px rgba(134,86,244,.27)}
    .btn-primary:hover{background:#986dff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(134,86,244,.4)}
    .btn-secondary{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.05)}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .experience-panel{position:relative;min-height:335px;border:1px solid rgba(255,255,255,.14);border-radius:28px;padding:25px;background:linear-gradient(145deg,#36234f,#21172e);box-shadow:var(--shadow-dark);overflow:hidden}
    .experience-panel:after{content:"";position:absolute;width:240px;height:240px;right:-90px;bottom:-105px;border:28px solid rgba(87,224,192,.16);border-radius:50%}
    .panel-top{display:flex;justify-content:space-between;align-items:center;color:#dcd4e9;font-size:13px}
    .online-dot{display:inline-flex;align-items:center;gap:7px;color:var(--mint)}
    .online-dot i{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(87,224,192,.12)}
    .panel-title{font-size:28px;font-weight:800;margin:42px 0 8px;letter-spacing:-.04em}
    .panel-copy{color:#b9afc8;max-width:330px;margin:0}
    .panel-bars{display:flex;align-items:end;gap:10px;height:78px;margin-top:27px}
    .panel-bars i{display:block;width:13%;border-radius:8px 8px 3px 3px;background:linear-gradient(to top,var(--purple),var(--mint));opacity:.9}
    .panel-bars i:nth-child(1){height:35%}.panel-bars i:nth-child(2){height:60%}.panel-bars i:nth-child(3){height:48%}.panel-bars i:nth-child(4){height:82%}.panel-bars i:nth-child(5){height:68%}.panel-bars i:nth-child(6){height:94%}
    .section{padding:84px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
    .section-kicker{color:var(--purple-deep);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:7px}
    .section h2{font-size:clamp(28px,3.2vw,42px);line-height:1.25;letter-spacing:-.04em;margin:0}
    .section-lead{max-width:570px;color:var(--muted);margin:10px 0 0}
    .text-link{color:var(--purple-deep);font-weight:750;white-space:nowrap}
    .text-link:hover{text-decoration:underline}
    .intro-strip{background:var(--surface);border-bottom:1px solid var(--line)}
    .strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;padding:23px 0}
    .strip-item{display:flex;align-items:center;gap:12px;color:var(--ink-soft);font-size:14px}
    .strip-icon{width:36px;height:36px;border-radius:12px;background:#eee8ff;color:var(--purple-deep);display:grid;place-items:center;font-weight:800}
    .feature-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:18px}
    .feature-card,.adapt-card{border-radius:var(--radius-lg);border:1px solid var(--line);transition:var(--ease)}
    .feature-card{min-height:340px;padding:34px;background:linear-gradient(145deg,#302047,#1f172c);color:#fff;position:relative;overflow:hidden}
    .feature-card:after{content:"";position:absolute;width:290px;height:290px;right:-110px;bottom:-145px;border:35px solid rgba(134,86,244,.25);border-radius:50%}
    .card-label{display:inline-flex;padding:6px 11px;border-radius:99px;background:rgba(87,224,192,.14);color:var(--mint);font-size:12px;font-weight:700}
    .feature-card h3{font-size:29px;line-height:1.3;max-width:370px;margin:42px 0 12px}
    .feature-card p{color:#bdb4c9;max-width:410px}
    .feature-card .btn{margin-top:14px}
    .side-stack{display:grid;gap:18px}
    .adapt-card{background:#fff;padding:27px}
    .adapt-card:hover,.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .adapt-card h3{font-size:21px;margin:0 0 8px}
    .adapt-card p{color:var(--muted);margin:0 0 17px}
    .mini-tags{display:flex;gap:8px;flex-wrap:wrap}
    .tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:8px;background:#f1edfa;color:var(--purple-deep);font-size:12px;font-weight:700}
    .tag.mint{background:#e6faf5;color:#167865}
    .journey{background:#fff}
    .journey-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .journey-card{padding:27px 25px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--mist);transition:var(--ease)}
    .journey-card:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--shadow)}
    .step-number{width:38px;height:38px;border-radius:12px;background:var(--purple);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:22px}
    .journey-card h3{font-size:20px;margin:0 0 9px}
    .journey-card p{color:var(--muted);margin:0}
    .content-band{background:var(--night);color:#fff}
    .content-band .section-kicker{color:var(--mint)}
    .content-band .section-lead{color:#aaa0b9}
    .content-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .content-box{padding:30px;border-radius:var(--radius-md);background:var(--night-2);border:1px solid rgba(255,255,255,.1)}
    .content-box h3{font-size:22px;margin:0 0 11px}
    .content-box p{color:#bcb3ca;margin:0 0 20px}
    .content-list{display:grid;gap:11px}
    .content-list a{display:flex;align-items:center;justify-content:space-between;padding:13px 15px;border-radius:11px;background:rgba(255,255,255,.06);color:#e5deef;transition:var(--ease)}
    .content-list a:hover{background:rgba(134,86,244,.24);color:#fff;transform:translateX(3px)}
    .content-list a span{color:var(--mint);font-size:13px}
    .faq-wrap{max-width:870px;margin:auto}
    .faq-item{border-top:1px solid var(--line)}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:transparent;color:var(--ink);padding:21px 4px;font-weight:750;cursor:pointer}
    .faq-question b{font-size:23px;color:var(--purple);font-weight:500;transition:var(--ease)}
    .faq-answer{display:none;color:var(--muted);padding:0 42px 20px 4px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question b{transform:rotate(45deg)}
    .cta{padding:70px 0;background:linear-gradient(135deg,#eee7ff,#e5faf5)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{margin:0 0 9px;font-size:clamp(27px,3vw,39px)}
    .cta p{color:var(--muted);margin:0;max-width:650px}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap}
    .cta .btn-secondary{border-color:var(--purple);color:var(--purple-deep);background:transparent}
    .cta .btn-secondary:hover{background:var(--purple);color:#fff}
    .site-footer{background:var(--night);color:#fff;padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px;padding-bottom:44px}
    .footer-brand p{color:#aaa0b9;max-width:290px;margin:17px 0 0;font-size:14px}
    .footer-title{font-size:14px;margin:4px 0 14px;color:#fff}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:14px;color:#aaa0b9;transition:var(--ease)}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding-top:20px;color:#857b95;font-size:12px}
    @media (max-width:1200px){.nav-links a{padding-left:8px;padding-right:8px}.navbar{gap:15px}}
    @media (max-width:992px){.nav-links{display:none}.menu-toggle{display:block;margin-left:auto}.header-action{display:inline-flex}.hero-grid,.feature-layout{grid-template-columns:1fr}.hero{padding:58px 0}.experience-panel{max-width:620px}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}}
    @media (max-width:768px){.container{width:min(100% - 34px,600px)}.navbar{height:68px}.header-action{font-size:13px;padding:8px 12px!important}.strip-grid,.journey-grid,.content-grid{grid-template-columns:1fr}.section{padding:58px 0}.section-head,.cta-inner{display:block}.section-head .text-link{display:inline-block;margin-top:17px}.strip-grid{gap:15px;padding:20px 0}.hero h1{font-size:39px}.hero-copy{font-size:16px}.side-stack{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media (max-width:576px){.container{width:calc(100% - 28px)}.logo{font-size:18px}.logo-mark{width:31px;height:31px}.header-action{display:none}.hero{padding:45px 0 52px}.hero h1{font-size:34px}.hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.experience-panel{min-height:300px;padding:21px}.panel-title{font-size:24px;margin-top:34px}.side-stack{grid-template-columns:1fr}.feature-card{min-height:310px;padding:27px}.feature-card h3{font-size:25px;margin-top:35px}.footer-grid{grid-template-columns:1fr;gap:26px}.footer-bottom{display:grid;gap:5px}.faq-question{font-size:15px}}

/* roulang page: category3 */
:root{
      --ink:#171321;
      --ink-soft:#342d45;
      --muted:#756d84;
      --surface:#fff;
      --mist:#f6f3fa;
      --night:#191324;
      --night-2:#241a35;
      --purple:#8656f4;
      --purple-deep:#6638ce;
      --mint:#57e0c0;
      --coral:#ff907c;
      --line:#e8e1f1;
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:11px;
      --shadow:0 18px 50px rgba(47,28,76,.10);
      --shadow-dark:0 20px 60px rgba(8,3,18,.28);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(87,224,192,.8);outline-offset:3px}
    .container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(25,19,36,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--purple),var(--mint));display:grid;place-items:center;color:var(--night);font-size:15px;font-weight:900;box-shadow:0 5px 20px rgba(134,86,244,.35)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;color:#c9c2d4;padding:10px 12px;font-size:14px;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--mint);border-radius:2px}
    .header-action{background:var(--purple);color:#fff!important;border-radius:var(--radius-sm);padding:10px 17px!important;font-weight:700;box-shadow:0 8px 22px rgba(134,86,244,.28)}
    .header-action:hover{background:#986dff;transform:translateY(-1px)}
    .menu-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:9px;padding:7px 10px;cursor:pointer}
    .page-hero{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:76px 0 72px}
    .page-hero:before{content:"";position:absolute;width:500px;height:500px;right:-130px;top:-250px;border-radius:50%;background:radial-gradient(circle,rgba(134,86,244,.42),transparent 68%)}
    .page-hero:after{content:"";position:absolute;width:360px;height:360px;left:-210px;bottom:-250px;border-radius:50%;background:radial-gradient(circle,rgba(87,224,192,.18),transparent 68%)}
    .hero-inner{position:relative;z-index:1;max-width:820px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:15px}
    .eyebrow:before,.section-kicker:before{content:"";width:25px;height:2px;background:currentColor}
    .page-hero h1{font-size:clamp(34px,5vw,60px);line-height:1.18;letter-spacing:-.055em;margin:0 0 20px}
    .hero-copy{max-width:700px;color:#c9c2d4;font-size:17px;margin:0 0 28px}
    .crumbs{display:flex;gap:8px;align-items:center;color:#aca1bb;font-size:14px;margin-bottom:27px}
    .crumbs a:hover{color:var(--mint)}
    .crumbs span{color:#695d77}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:750;transition:var(--ease);cursor:pointer}
    .btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 26px rgba(134,86,244,.27)}
    .btn-primary:hover{background:#986dff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(134,86,244,.4)}
    .btn-secondary{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.05)}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .button-row{display:flex;flex-wrap:wrap;gap:12px}
    .section{padding:88px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}
    .section-kicker{color:var(--purple-deep);margin-bottom:7px}
    .section h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.04em;margin:0}
    .section-lead{max-width:610px;color:var(--muted);margin:10px 0 0}
    .news-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:18px}
    .feature-news,.news-panel,.guide-card,.notice-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);transition:var(--ease)}
    .feature-news{padding:34px;min-height:330px;background:linear-gradient(135deg,#fff 20%,#eee7ff)}
    .feature-news:hover,.news-panel:hover,.guide-card:hover,.notice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .badge{display:inline-flex;padding:6px 11px;border-radius:99px;background:rgba(134,86,244,.11);color:var(--purple-deep);font-size:12px;font-weight:800}
    .feature-news h3{max-width:540px;font-size:29px;line-height:1.35;margin:36px 0 12px}
    .feature-news p,.news-panel p,.guide-card p,.notice-card p{color:var(--muted);margin:0}
    .news-panel{padding:18px}
    .news-item{display:flex;gap:15px;align-items:flex-start;padding:18px 12px;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-icon{width:42px;height:42px;flex:0 0 42px;border-radius:13px;background:#eee7ff;color:var(--purple-deep);display:grid;place-items:center;font-weight:900}
    .news-item h4{font-size:17px;line-height:1.45;margin:0 0 3px}
    .news-item h4 a:hover{color:var(--purple-deep)}
    .news-item small{color:var(--muted);font-size:12px}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .guide-card{padding:25px;min-height:205px}
    .guide-card .number{font-size:34px;line-height:1;color:var(--mint);font-weight:900;margin-bottom:28px}
    .guide-card h3,.notice-card h3{font-size:21px;margin:0 0 8px}
    .dark-section{background:var(--night);color:#fff}
    .dark-section .section-kicker{color:var(--mint)}
    .dark-section .section-lead{color:#bdb4c9}
    .reading-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:18px;align-items:stretch}
    .reading-intro{padding:35px;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);background:linear-gradient(145deg,#302047,#21172f)}
    .reading-intro h3{font-size:27px;line-height:1.35;margin:30px 0 12px}
    .reading-intro p{color:#bdb4c9}
    .reading-list{display:grid;gap:12px}
    .reading-row{display:flex;align-items:center;gap:20px;padding:22px 24px;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);background:rgba(255,255,255,.045);transition:var(--ease)}
    .reading-row:hover{border-color:var(--mint);background:rgba(87,224,192,.08);transform:translateX(3px)}
    .reading-row strong{display:block;font-size:18px}
    .reading-row span{display:block;color:#bdb4c9;font-size:14px}
    .arrow{margin-left:auto;color:var(--mint);font-size:22px}
    .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .notice-card{padding:24px}
    .notice-card h3{margin-top:22px}
    .faq-wrap{max-width:850px;margin:auto}
    .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:none;border:0;padding:21px 4px;color:var(--ink);font-weight:750;cursor:pointer}
    .faq-question span:last-child{color:var(--purple);font-size:22px;transition:var(--ease)}
    .faq-answer{display:none;color:var(--muted);padding:0 38px 20px 4px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:52px 0;background:linear-gradient(110deg,#eee7ff,#e4faf5)}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{font-size:clamp(26px,3vw,39px);margin:0 0 8px}
    .cta p{color:var(--muted);margin:0}
    .site-footer{background:var(--night);color:#fff;padding:64px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:48px}
    .footer-brand p{max-width:310px;color:#aaa0b9;margin:18px 0 0}
    .footer-title{font-size:15px;margin:4px 0 15px;color:#fff}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#aaa0b9;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#8f849d;font-size:12px}
    @media(max-width:1200px){.nav-links a{padding-left:8px;padding-right:8px}.navbar{gap:15px}}
    @media(max-width:992px){.nav-links{display:none}.menu-toggle{display:block;margin-left:auto}.header-action{display:inline-flex}.navbar{height:70px}.news-layout,.reading-grid{grid-template-columns:1fr}.topic-grid,.notice-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 32px,600px)}.page-hero{padding:52px 0 58px}.section{padding:60px 0}.section-head,.cta-box{display:block}.section-head .text-link{display:inline-block;margin-top:15px}.feature-news{min-height:280px;padding:26px}.feature-news h3{font-size:24px;margin-top:28px}.topic-grid,.notice-grid{grid-template-columns:1fr}.reading-row{padding:18px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
    @media(max-width:576px){.logo{font-size:18px}.logo-mark{width:31px;height:31px}.header-action{font-size:13px;padding:8px 11px!important}.page-hero h1{font-size:35px}.hero-copy{font-size:15px}.button-row .btn{width:100%}.section h2{font-size:29px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid;gap:7px}.crumbs{font-size:13px;flex-wrap:wrap}}

/* roulang page: category4 */
:root{
      --ink:#171321;--ink-soft:#342d45;--muted:#756d84;--surface:#fff;
      --mist:#f6f3fa;--night:#191324;--night-2:#241a35;--purple:#8656f4;
      --purple-deep:#6638ce;--mint:#57e0c0;--coral:#ff907c;--line:#e8e1f1;
      --radius-lg:24px;--radius-md:16px;--radius-sm:11px;
      --shadow:0 18px 50px rgba(47,28,76,.10);--shadow-dark:0 20px 60px rgba(8,3,18,.28);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(87,224,192,.8);outline-offset:3px}
    .container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(25,19,36,.95);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--purple),var(--mint));display:grid;place-items:center;color:var(--night);font-size:15px;font-weight:900;box-shadow:0 5px 20px rgba(134,86,244,.35)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;color:#c9c2d4;padding:10px 12px;font-size:14px;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--mint);border-radius:2px}
    .header-action{background:var(--purple);color:#fff!important;border-radius:var(--radius-sm);padding:10px 17px!important;font-weight:700;box-shadow:0 8px 22px rgba(134,86,244,.28)}
    .header-action:hover{background:#966cff;transform:translateY(-1px)}
    .menu-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:9px;padding:7px 10px;cursor:pointer}
    .hero{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:72px 0 78px}
    .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .hero:before{width:560px;height:560px;right:-180px;top:-300px;background:radial-gradient(circle,rgba(134,86,244,.46),transparent 68%)}
    .hero:after{width:430px;height:430px;left:-260px;bottom:-270px;background:radial-gradient(circle,rgba(87,224,192,.2),transparent 68%)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .9fr;gap:76px;align-items:center}
    .eyebrow,.section-kicker{color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--mint)}
    .hero h1{max-width:680px;font-size:clamp(34px,4.5vw,60px);line-height:1.18;letter-spacing:-.055em;margin:0 0 22px}
    .hero-copy{max-width:610px;color:#c9c2d4;font-size:17px;margin:0 0 30px}
    .actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:750;transition:var(--ease);cursor:pointer}
    .btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 26px rgba(134,86,244,.27)}
    .btn-primary:hover{background:#986dff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(134,86,244,.4)}
    .btn-secondary{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.05)}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .device-art{min-height:335px;position:relative;display:grid;place-items:center}
    .phone{width:205px;height:355px;padding:12px;border-radius:32px;background:#0e0a18;border:7px solid #47345f;box-shadow:var(--shadow-dark);transform:rotate(6deg);position:relative;z-index:2}
    .phone-screen{height:100%;border-radius:23px;overflow:hidden;background:linear-gradient(160deg,#8254ed 0 25%,#271938 25% 100%);padding:17px 13px;color:#fff}
    .screen-top{display:flex;justify-content:space-between;font-size:10px;opacity:.8}
    .screen-title{margin-top:42px;font-size:21px;font-weight:800;line-height:1.25}
    .screen-line{height:8px;width:76%;border-radius:8px;background:rgba(255,255,255,.25);margin-top:12px}
    .screen-panel{height:72px;border-radius:15px;background:rgba(255,255,255,.12);margin-top:32px;padding:12px}
    .screen-panel span{display:block;width:45%;height:7px;background:var(--mint);border-radius:5px}
    .screen-panel i{display:block;width:80%;height:6px;background:rgba(255,255,255,.3);border-radius:5px;margin-top:12px}
    .orb{position:absolute;width:190px;height:190px;border:30px solid rgba(87,224,192,.18);border-radius:50%;left:5%;bottom:10px}
    .trust-bar{background:#21182f;color:#bcb3ca;border-bottom:1px solid rgba(255,255,255,.08)}
    .trust-items{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:19px 0;font-size:14px}
    .trust-items span{display:flex;align-items:center;gap:9px}.trust-items b{color:var(--mint);font-size:18px}
    .section{padding:84px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
    .section-kicker{color:var(--purple-deep);margin-bottom:7px}.section h2{font-size:clamp(28px,3.3vw,42px);line-height:1.25;letter-spacing:-.04em;margin:0}
    .section-lead{max-width:600px;color:var(--muted);margin:10px 0 0}.text-link{color:var(--purple-deep);font-weight:750;white-space:nowrap}.text-link:hover{text-decoration:underline}
    .download-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
    .download-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow)}
    .download-panel.mint-panel{background:linear-gradient(145deg,#e4fff8,#fff);border-color:#bdeee3;display:flex;flex-direction:column;justify-content:space-between}
    .download-panel h3{font-size:27px;line-height:1.3;margin:0 0 12px}.download-panel p{color:var(--muted);margin:0 0 22px}
    .badge{display:inline-flex;align-items:center;gap:7px;padding:6px 11px;border-radius:99px;background:#efe8ff;color:var(--purple-deep);font-size:12px;font-weight:800;margin:0 5px 8px 0}
    .badge.mint{background:#d8faf2;color:#167b69}.badge.coral{background:#fff0ec;color:#c65a48}
    .device-tabs{display:flex;gap:8px;margin:22px 0}.device-tabs span{padding:9px 16px;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:14px;font-weight:700}.device-tabs span.active{background:var(--purple);border-color:var(--purple);color:#fff}
    .steps{display:grid;gap:15px;margin:25px 0 28px}.step{display:flex;gap:14px;align-items:flex-start}.step-num{flex:0 0 30px;height:30px;border-radius:9px;background:var(--purple);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px}.step strong{display:block;color:var(--ink-soft);line-height:1.4}.step small{display:block;color:var(--muted);margin-top:3px}
    .qr-area{display:flex;align-items:center;justify-content:center;min-height:210px;border:1px dashed #b8a9d3;border-radius:18px;background:rgba(134,86,244,.06);text-align:center;color:var(--muted)}
    .qr-box{width:118px;height:118px;margin:auto;border-radius:12px;background:repeating-linear-gradient(45deg,#302047 0 5px,#fff 5px 10px);border:9px solid #fff;box-shadow:0 8px 20px rgba(47,28,76,.12)}
    .qr-area p{margin:13px 0 0;font-size:13px}
    .feature-row{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;transition:var(--ease)}
    .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfc0ec}
    .info-card h3{font-size:22px;margin:0 0 10px}.info-card p{color:var(--muted);margin:0}.info-icon{width:43px;height:43px;border-radius:14px;background:#eee7ff;color:var(--purple-deep);display:grid;place-items:center;font-weight:900;margin-bottom:22px}
    .check-list{display:grid;gap:12px;margin:22px 0 0;padding:0;list-style:none}.check-list li{display:flex;gap:10px;color:var(--ink-soft)}.check-list li:before{content:"✓";color:#168c78;font-weight:900}
    .faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item button{width:100%;padding:21px 4px;border:0;background:transparent;display:flex;justify-content:space-between;gap:20px;text-align:left;color:var(--ink);font-weight:750;cursor:pointer}.faq-item button span:last-child{color:var(--purple);font-size:22px;line-height:1;transition:var(--ease)}.faq-answer{display:none;color:var(--muted);max-width:780px;padding:0 35px 20px 4px}.faq-item.open .faq-answer{display:block}.faq-item.open button span:last-child{transform:rotate(45deg)}
    .cta{padding:70px 0;background:linear-gradient(120deg,#2b1b47,#1c152a);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0 0 10px;font-size:clamp(27px,3vw,39px)}.cta p{color:#c9c2d4;margin:0;max-width:650px}
    .site-footer{background:var(--night);color:#c9c2d4;padding:56px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px}.footer-brand p{max-width:300px;color:#958aa4;margin-top:18px;font-size:14px}.footer-title{color:#fff;font-size:15px;margin:5px 0 15px}.footer-links{display:grid;gap:9px;font-size:14px}.footer-links a{color:#aaa0b9;transition:var(--ease)}.footer-links a:hover{color:var(--mint);padding-left:3px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);margin-top:42px;padding-top:19px;color:#81758f;font-size:12px}
    @media(max-width:1200px){.nav-links a{padding-left:8px;padding-right:8px}.navbar{gap:15px}}
    @media(max-width:992px){.hero-grid,.download-wrap,.feature-row{grid-template-columns:1fr}.hero-grid{gap:30px}.device-art{min-height:280px}.phone{transform:rotate(3deg)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 34px,600px)}.navbar{height:70px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:17px;right:17px;top:70px;padding:12px;background:#21182f;border:1px solid rgba(255,255,255,.12);border-radius:14px;box-shadow:var(--shadow-dark);align-items:stretch;flex-direction:column}.nav-links.show{display:flex}.nav-links a{padding:12px 14px}.header-action{display:none}.hero{padding:57px 0 54px}.hero h1{font-size:clamp(32px,9vw,48px)}.section{padding:58px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}.download-panel{padding:25px}.cta-inner{display:block}.cta .actions{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
    @media(max-width:520px){.container{width:calc(100% - 28px)}.actions .btn{width:100%}.trust-items{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:12px}.phone{width:180px;height:310px}.device-art{min-height:300px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid;gap:7px}.qr-area{min-height:180px}}

/* roulang page: category5 */
:root{
      --ink:#171321;
      --ink-soft:#342d45;
      --muted:#756d84;
      --surface:#fff;
      --mist:#f6f3fa;
      --night:#191324;
      --night-2:#241a35;
      --purple:#8656f4;
      --purple-deep:#6638ce;
      --mint:#57e0c0;
      --coral:#ff907c;
      --line:#e8e1f1;
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:11px;
      --shadow:0 18px 50px rgba(47,28,76,.10);
      --shadow-dark:0 20px 60px rgba(8,3,18,.28);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    :focus-visible{outline:3px solid rgba(87,224,192,.9);outline-offset:3px}
    .container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(25,19,36,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--purple),var(--mint));display:grid;place-items:center;color:var(--night);font-size:15px;font-weight:900;box-shadow:0 5px 20px rgba(134,86,244,.35)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;color:#c9c2d4;padding:10px 12px;font-size:14px;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--mint);border-radius:2px}
    .header-action{background:var(--purple);color:#fff!important;border-radius:var(--radius-sm);padding:10px 17px!important;font-weight:700;box-shadow:0 8px 22px rgba(134,86,244,.28)}
    .header-action:hover{background:#966cff;transform:translateY(-1px)}
    .menu-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:9px;padding:7px 10px;cursor:pointer}
    .hero{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:76px 0 72px}
    .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .hero:before{width:620px;height:620px;right:-230px;top:-330px;background:radial-gradient(circle,rgba(134,86,244,.42),transparent 68%)}
    .hero:after{width:430px;height:430px;left:-270px;bottom:-290px;background:radial-gradient(circle,rgba(87,224,192,.18),transparent 68%)}
    .hero-inner{position:relative;z-index:1;max-width:900px}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:#aaa0b9;font-size:13px;margin-bottom:25px}
    .breadcrumb a:hover{color:var(--mint)}
    .breadcrumb span{color:#665a75}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:16px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--mint)}
    .hero h1{max-width:850px;font-size:clamp(34px,5vw,64px);line-height:1.16;letter-spacing:-.055em;margin:0 0 22px}
    .hero-copy{max-width:700px;color:#c9c2d4;font-size:17px;margin:0 0 30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:750;transition:var(--ease);cursor:pointer}
    .btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 26px rgba(134,86,244,.27)}
    .btn-primary:hover{background:#986dff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(134,86,244,.4)}
    .btn-secondary{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.05)}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .hero-points{display:flex;gap:24px;flex-wrap:wrap;margin-top:34px;color:#bcb3ca;font-size:14px}
    .hero-points span{display:flex;align-items:center;gap:8px}
    .hero-points i{width:8px;height:8px;background:var(--mint);border-radius:50%;box-shadow:0 0 0 5px rgba(87,224,192,.12)}
    .section{padding:88px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}
    .section-kicker{color:var(--purple-deep);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:7px}
    .section h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.04em;margin:0}
    .section-lead{max-width:610px;color:var(--muted);margin:10px 0 0}
    .text-link{color:var(--purple-deep);font-weight:750;white-space:nowrap}
    .text-link:hover{text-decoration:underline}
    .content-feature{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .feature-panel{min-height:350px;padding:36px;border-radius:var(--radius-lg);background:linear-gradient(140deg,#fff 10%,#ebe3ff);border:1px solid var(--line);position:relative;overflow:hidden}
    .feature-panel:after{content:"";position:absolute;width:260px;height:260px;right:-85px;bottom:-105px;border:32px solid rgba(134,86,244,.14);border-radius:50%}
    .feature-panel h3{font-size:30px;line-height:1.3;max-width:420px;margin:46px 0 12px}
    .feature-panel p{max-width:470px;color:var(--muted);margin:0 0 24px}
    .label{display:inline-flex;padding:6px 11px;border-radius:99px;background:rgba(134,86,244,.1);color:var(--purple-deep);font-size:12px;font-weight:800}
    .side-panels{display:grid;gap:18px}
    .side-card{padding:27px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);transition:var(--ease)}
    .side-card:hover,.game-card:hover,.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .icon-box{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:#eee7ff;color:var(--purple-deep);font-weight:900;font-size:18px}
    .side-card h3{font-size:21px;margin:18px 0 7px}
    .side-card p{color:var(--muted);margin:0}
    .game-section{background:var(--night);color:#fff}
    .game-section .section-kicker{color:var(--mint)}
    .game-section .section-lead{color:#aaa0b9}
    .game-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .game-card{border:1px solid rgba(255,255,255,.12);background:linear-gradient(145deg,#302047,#21172f);border-radius:var(--radius-lg);padding:28px;min-height:220px;transition:var(--ease)}
    .game-card.large{grid-row:span 2;min-height:458px;padding:34px;background:linear-gradient(145deg,#39235a,#20172e)}
    .game-card h3{font-size:24px;line-height:1.35;margin:20px 0 9px}
    .game-card.large h3{font-size:32px;max-width:360px;margin-top:105px}
    .game-card p{color:#bdb4c9;margin:0 0 20px}
    .game-meta{display:flex;gap:9px;flex-wrap:wrap;color:#958aa4;font-size:13px;margin-top:20px}
    .game-meta span{padding:5px 9px;border:1px solid rgba(255,255,255,.13);border-radius:8px}
    .mint-label{background:rgba(87,224,192,.13);color:var(--mint);border-radius:99px;padding:6px 11px;font-size:12px;font-weight:800;display:inline-flex}
    .tag-band{display:flex;flex-wrap:wrap;gap:11px;margin-top:24px}
    .tag{padding:10px 15px;border:1px solid var(--line);background:var(--surface);border-radius:99px;color:var(--ink-soft);font-size:14px;transition:var(--ease)}
    .tag:hover{border-color:var(--purple);color:var(--purple-deep);background:#faf8ff}
    .device-section{padding:88px 0}
    .device-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}
    .device-copy h2{margin-bottom:15px}
    .device-copy p{color:var(--muted);margin-bottom:23px}
    .device-list{display:grid;gap:12px;margin:25px 0}
    .device-list li{list-style:none;display:flex;gap:12px;align-items:flex-start;color:var(--ink-soft)}
    .device-list ul{padding:0;margin:0}
    .device-list b{width:25px;height:25px;border-radius:8px;background:rgba(87,224,192,.2);color:#168f77;display:grid;place-items:center;font-size:13px;flex:none}
    .device-card{min-height:330px;border-radius:var(--radius-lg);background:linear-gradient(145deg,#241a35,#3b2760);padding:32px;color:#fff;position:relative;overflow:hidden;transition:var(--ease)}
    .device-card:before{content:"";position:absolute;width:290px;height:290px;right:-90px;top:-100px;border:38px solid rgba(87,224,192,.12);border-radius:50%}
    .device-screen{position:relative;z-index:1;width:230px;margin:10px auto 0;padding:17px;border:7px solid #120d1b;border-radius:30px;background:#f8f5ff;color:var(--ink);box-shadow:var(--shadow-dark)}
    .device-screen-top{height:9px;width:54px;border-radius:10px;background:#d7cde5;margin:0 auto 18px}
    .screen-line{height:12px;border-radius:6px;background:#e9e2f5;margin:10px 0}
    .screen-line.short{width:62%}
    .screen-tile{height:58px;border-radius:12px;background:linear-gradient(135deg,#9a73ff,#57e0c0);margin-top:16px}
    .step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .step-card{padding:25px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);position:relative}
    .step-number{color:var(--purple);font-size:13px;font-weight:900;letter-spacing:.08em}
    .step-card h3{font-size:19px;margin:14px 0 7px}
    .step-card p{color:var(--muted);font-size:14px;margin:0}
    .faq-wrap{max-width:850px;margin:auto}
    .faq-item{border-top:1px solid var(--line)}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:transparent;padding:21px 4px;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--ink);font-weight:750;cursor:pointer}
    .faq-question span:last-child{color:var(--purple);font-size:25px;line-height:1;transition:var(--ease)}
    .faq-answer{display:none;color:var(--muted);padding:0 42px 21px 4px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:55px 0;background:linear-gradient(135deg,var(--purple-deep),var(--purple));color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{font-size:clamp(26px,3vw,38px);margin:0 0 8px;line-height:1.25}
    .cta p{color:#e6dcff;margin:0}
    .cta .btn-secondary{border-color:rgba(255,255,255,.45)}
    .site-footer{background:var(--night);color:#fff;padding:56px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{color:#aaa0b9;max-width:280px;font-size:14px;margin:18px 0 0}
    .footer-title{font-size:14px;margin:5px 0 14px;color:#fff}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#aaa0b9;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:20px;color:#81758f;font-size:12px}
    @media(max-width:1200px){.nav-links a{padding-left:8px;padding-right:8px}.navbar{gap:15px}}
    @media(max-width:992px){.nav-links{display:none;position:absolute;top:78px;left:0;right:0;padding:14px 24px 22px;background:var(--night);border-bottom:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px 4px}.nav-links a.active:after{left:0;right:auto;width:30px}.menu-toggle{display:block;margin-left:auto}.header-action{display:none}.hero{padding:64px 0}.content-feature,.device-wrap{grid-template-columns:1fr;gap:18px}.device-wrap{gap:35px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 32px,600px)}.navbar{height:68px}.site-header{position:relative}.nav-links{top:68px}.hero h1{font-size:40px}.section,.device-section{padding:58px 0}.section-head{display:block;margin-bottom:25px}.section-head .text-link{display:inline-block;margin-top:15px}.game-grid{grid-template-columns:1fr}.game-card.large{grid-row:auto;min-height:330px}.game-card.large h3{margin-top:65px}.step-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta .hero-actions{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
    @media(max-width:576px){.container{width:calc(100% - 28px)}.hero{padding:50px 0 54px}.hero h1{font-size:34px}.hero-copy{font-size:15px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}.hero-points{display:grid;gap:12px}.feature-panel,.game-card.large{min-height:300px;padding:25px}.feature-panel h3{font-size:25px;margin-top:38px}.game-card.large h3{font-size:27px}.device-card{min-height:310px;padding:22px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid;gap:7px}}

/* roulang page: category6 */
:root{
      --ink:#171321;
      --ink-soft:#342d45;
      --muted:#756d84;
      --surface:#fff;
      --mist:#f6f3fa;
      --night:#191324;
      --night-2:#241a35;
      --purple:#8656f4;
      --purple-deep:#6638ce;
      --mint:#57e0c0;
      --coral:#ff907c;
      --line:#e8e1f1;
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:11px;
      --shadow:0 18px 50px rgba(47,28,76,.10);
      --shadow-dark:0 20px 60px rgba(8,3,18,.28);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(87,224,192,.85);outline-offset:3px}
    .container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(25,19,36,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--purple),var(--mint));display:grid;place-items:center;color:var(--night);font-size:15px;font-weight:900;box-shadow:0 5px 20px rgba(134,86,244,.35)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;color:#c9c2d4;padding:10px 12px;font-size:14px;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--mint);border-radius:2px}
    .header-action{background:var(--purple);color:#fff!important;border-radius:var(--radius-sm);padding:10px 17px!important;font-weight:700;box-shadow:0 8px 22px rgba(134,86,244,.28)}
    .header-action:hover{background:#966cff;transform:translateY(-1px)}
    .menu-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:9px;padding:7px 10px;cursor:pointer}
    .page-hero{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:74px 0 82px}
    .page-hero:before{content:"";position:absolute;width:560px;height:560px;right:-180px;top:-280px;border-radius:50%;background:radial-gradient(circle,rgba(134,86,244,.43),transparent 67%)}
    .page-hero:after{content:"";position:absolute;width:360px;height:360px;left:-210px;bottom:-230px;border-radius:50%;background:radial-gradient(circle,rgba(87,224,192,.2),transparent 67%)}
    .hero-content{position:relative;z-index:1;max-width:780px}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:#a9a0b8;font-size:13px;margin-bottom:28px}
    .breadcrumb a:hover{color:var(--mint)}
    .breadcrumb .current{color:#eee8f6}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:15px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--mint)}
    .page-hero h1{font-size:clamp(34px,5vw,60px);line-height:1.18;letter-spacing:-.055em;margin:0 0 20px}
    .hero-copy{max-width:690px;color:#c9c2d4;font-size:17px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:750;transition:var(--ease);cursor:pointer}
    .btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 26px rgba(134,86,244,.27)}
    .btn-primary:hover{background:#986dff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(134,86,244,.4)}
    .btn-secondary{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.05)}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .section{padding:82px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}
    .section-kicker{color:var(--purple-deep);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:7px}
    .section h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.04em;margin:0}
    .section-lead{max-width:620px;color:var(--muted);margin:10px 0 0}
    .help-intro{background:#fff;border-bottom:1px solid var(--line)}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}
    .intro-card{padding:32px;border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(135deg,#fff,#eee8ff);box-shadow:var(--shadow)}
    .intro-card h2{font-size:28px;margin:0 0 14px}
    .intro-card p{color:var(--muted);margin:0}
    .notice-card{padding:30px;border-radius:var(--radius-lg);background:var(--night-2);color:#fff;box-shadow:var(--shadow-dark)}
    .notice-card h3{font-size:21px;margin:0 0 12px}
    .notice-card p{color:#c9c2d4;margin:0 0 20px}
    .notice-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .notice-list li{display:flex;gap:10px;color:#dfd8e9;font-size:14px}
    .notice-list li:before{content:"✓";color:var(--mint);font-weight:800}
    .steps-section{background:var(--mist)}
    .steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step-card{position:relative;padding:29px 27px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);transition:var(--ease)}
    .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8b8ee}
    .step-number{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#eee7ff;color:var(--purple-deep);font-weight:900;font-size:18px;margin-bottom:20px}
    .step-card h3{font-size:20px;margin:0 0 8px}
    .step-card p{color:var(--muted);font-size:14px;margin:0}
    .device-section{background:#fff}
    .device-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:26px;align-items:center}
    .device-art{min-height:330px;border-radius:var(--radius-lg);background:linear-gradient(145deg,#302047,#1e172c);display:grid;place-items:center;position:relative;overflow:hidden}
    .device-art:before{content:"";position:absolute;width:290px;height:290px;border:34px solid rgba(134,86,244,.25);border-radius:50%;right:-80px;bottom:-130px}
    .device-screen{position:relative;width:190px;height:285px;border:7px solid #100d18;border-radius:28px;background:linear-gradient(170deg,#8a5bfa,#3d2671);box-shadow:0 18px 30px rgba(0,0,0,.32);padding:38px 14px 16px}
    .device-screen:before{content:"C7娱乐";position:absolute;top:15px;left:18px;color:#fff;font-weight:800;font-size:13px}
    .screen-line{height:12px;border-radius:8px;background:rgba(255,255,255,.25);margin-bottom:12px}
    .screen-line.short{width:62%}
    .screen-panel{height:92px;border-radius:15px;background:rgba(255,255,255,.15);margin:18px 0}
    .device-copy h2{margin-bottom:14px}
    .device-copy p{color:var(--muted);margin-bottom:23px}
    .device-tags{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:24px}
    .tag{display:inline-flex;padding:7px 12px;border-radius:99px;background:#eafbf7;color:#197c69;font-size:13px;font-weight:750}
    .faq-section{background:var(--mist)}
    .faq-list{max-width:900px;margin:auto;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line);background:transparent}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;background:transparent;border:0;padding:22px 4px;color:var(--ink);font-weight:750;cursor:pointer}
    .faq-question span:last-child{color:var(--purple);font-size:25px;font-weight:400;transition:var(--ease)}
    .faq-answer{display:none;color:var(--muted);font-size:15px;padding:0 42px 22px 4px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question{color:var(--purple-deep)}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:70px 0}
    .cta-box{position:relative;overflow:hidden;padding:46px 52px;border-radius:var(--radius-lg);background:linear-gradient(120deg,var(--purple-deep),#9b70f6);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-box:after{content:"";position:absolute;width:280px;height:280px;right:-100px;top:-150px;border:38px solid rgba(255,255,255,.12);border-radius:50%}
    .cta-box h2{position:relative;z-index:1;margin:0 0 8px;font-size:30px}
    .cta-box p{position:relative;z-index:1;margin:0;color:#eee7ff}
    .cta-box .hero-actions{position:relative;z-index:1;flex-shrink:0}
    .cta-box .btn-secondary{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.35)}
    .site-footer{background:var(--night);color:#fff;padding:56px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:36px;padding-bottom:42px}
    .footer-brand p{max-width:290px;color:#aaa0b9;font-size:14px;margin:18px 0 0}
    .footer-title{font-size:14px;margin:4px 0 15px;color:#fff}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#aaa0b9;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding-top:20px;color:#8f879b;font-size:12px}
    @media(max-width:1200px){.nav-links a{padding-left:8px;padding-right:8px}.navbar{gap:16px}}
    @media(max-width:992px){.nav-links{gap:0}.nav-links a{font-size:13px}.intro-grid,.device-grid{grid-template-columns:1fr}.steps-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 32px,600px)}.navbar{height:68px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:16px;right:16px;top:75px;padding:10px;background:var(--night-2);border:1px solid rgba(255,255,255,.12);border-radius:16px;box-shadow:var(--shadow-dark);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{left:14px;right:auto;width:25px;bottom:6px}.header-action{display:none}.page-hero{padding:53px 0 62px}.page-hero h1{font-size:40px}.section{padding:58px 0}.section-head{display:block;margin-bottom:24px}.steps-grid{grid-template-columns:1fr}.step-card{padding:24px}.device-art{min-height:290px}.cta-box{display:block;padding:34px 26px}.cta-box h2{font-size:26px}.cta-box .hero-actions{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
    @media(max-width:520px){.page-hero h1{font-size:33px}.hero-copy{font-size:15px}.hero-actions,.hero-actions .btn{width:100%}.hero-actions .btn{min-height:51px}.intro-card,.notice-card{padding:25px}.device-screen{transform:scale(.88)}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid;gap:7px}}

/* 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}