/* roulang page: index */
:root{
  --ink:#f8f3f5;--muted:#b7aab9;--bg:#17101f;--bg2:#21152a;
  --panel:#281a31;--panel2:#302039;--line:#49334f;--orange:#ff704c;
  --orange2:#ff9365;--lime:#c9f05b;--purple:#8e62d9;--cream:#f5eee8;
  --dark:#221827;--shadow:0 18px 50px rgba(4,2,8,.35);--radius:16px;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"思源黑体","Noto Sans SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{height:78px;border-bottom:1px solid rgba(255,255,255,.08);background:#191120;position:relative;z-index:10}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;white-space:nowrap;letter-spacing:.01em}
.logo-mark{width:34px;height:34px;border:2px solid var(--orange);border-radius:9px;position:relative;transform:rotate(8deg)}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime)}
.logo-mark:before{width:13px;height:3px;left:8px;top:9px}
.logo-mark:after{width:7px;height:3px;left:8px;top:17px}
.logo small{display:block;color:var(--muted);font-size:10px;font-weight:500;line-height:1}
.logo strong{font-size:17px}
.nav{display:flex;align-items:center;gap:24px}
.nav a{font-size:14px;color:#d6cbd7;position:relative;padding:27px 0 24px;white-space:nowrap}
.nav a:hover,.nav a.active{color:#fff}
.nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--orange);border-radius:3px}
.header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:10px;padding:12px 18px;font-weight:700;transition:.25s ease}
.header-action{background:var(--orange);color:#24121c;font-size:13px}
.header-action:hover,.btn-primary:hover{background:var(--orange2);transform:translateY(-2px);box-shadow:0 8px 22px rgba(255,112,76,.22)}
.menu-toggle{display:none;background:none;color:#fff;font-size:25px}
.hero{min-height:635px;display:flex;align-items:center;position:relative;overflow:hidden;background:#17101f}
.hero:before{content:"";position:absolute;width:620px;height:620px;right:-170px;top:-150px;border:1px solid rgba(255,112,76,.2);border-radius:50%;box-shadow:0 0 0 34px rgba(142,98,217,.06),0 0 0 70px rgba(255,112,76,.04)}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:180px;background:linear-gradient(transparent,#17101f)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;position:relative;z-index:1}
.eyebrow,.section-kicker{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.eyebrow:before{content:"";width:30px;height:2px;background:var(--orange)}
.hero h1{font-size:clamp(34px,4.5vw,58px);line-height:1.18;letter-spacing:-.045em;max-width:650px}
.hero h1 em{font-style:normal;color:var(--orange2)}
.hero-copy{color:var(--muted);max-width:575px;margin:24px 0 30px;font-size:17px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{min-height:48px}
.btn-primary{background:var(--orange);color:#25121b}
.btn-secondary{border:1px solid #76516d;color:#f1e6ed;background:transparent}
.btn-secondary:hover{border-color:var(--orange);color:var(--orange2);transform:translateY(-2px)}
.hero-art{min-height:390px;position:relative}
.arcade-card{position:absolute;inset:28px 15px 12px 50px;border:1px solid #68415c;background:#24162d;box-shadow:var(--shadow);border-radius:22px;padding:22px;transform:rotate(3deg)}
.arcade-card:before{content:"";position:absolute;inset:0;border-radius:22px;background:repeating-linear-gradient(0deg,transparent 0 7px,rgba(255,255,255,.025) 8px);pointer-events:none}
.art-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:17px}
.art-title{font-weight:800;letter-spacing:.08em}
.live{font-size:12px;color:var(--lime);display:flex;align-items:center;gap:7px}
.live:before{content:"";width:7px;height:7px;background:var(--lime);border-radius:50%;box-shadow:0 0 10px var(--lime)}
.art-screen{height:210px;margin:24px 0;background:#352040;position:relative;overflow:hidden;border-radius:13px;display:flex;align-items:center;justify-content:center}
.art-screen:before{content:"";width:190px;height:190px;border:1px solid rgba(255,147,101,.5);transform:rotate(45deg);box-shadow:0 0 55px rgba(255,112,76,.28)}
.art-screen:after{content:"PG";position:absolute;font-size:72px;font-weight:900;color:rgba(255,147,101,.82);letter-spacing:-.1em}
.art-lines{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.art-lines span{height:10px;background:#493052;border-radius:3px}
.art-lines span:nth-child(2){background:#b26274}.art-lines span:nth-child(3){background:#a4bd55}
.signal-bar{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.08);background:#1d1425}
.signal-inner{display:flex;justify-content:space-between;gap:20px;padding:17px 0;color:var(--muted);font-size:13px}
.signal-inner strong{color:var(--ink);font-weight:600}
.section{padding:105px 0}
.section-light{background:var(--cream);color:var(--dark)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
.section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.03em;margin-top:8px}
.section-head p{max-width:440px;color:#80717e;font-size:15px}
.overview{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:0;border-top:1px solid #d8c8cf;border-bottom:1px solid #d8c8cf}
.overview-item{padding:29px 30px;border-right:1px solid #d8c8cf}
.overview-item:first-child{padding-left:0}.overview-item:last-child{border:0}
.number{font-size:13px;color:#b55c4b;font-weight:800;letter-spacing:.15em}
.overview h3{font-size:20px;margin:12px 0 8px}.overview p{font-size:14px;color:#766876;line-height:1.8}
.content-showcase{background:var(--bg2)}
.content-showcase .section-head p{color:var(--muted)}
.product-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
.feature-card,.mini-card{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);transition:.25s;overflow:hidden}
.feature-card:hover,.mini-card:hover,.news-item:hover{transform:translateY(-4px);border-color:#a35d61}
.feature-visual{height:260px;background:#332039;position:relative;overflow:hidden}
.feature-visual:before{content:"";position:absolute;width:290px;height:290px;border:1px solid rgba(201,240,91,.45);border-radius:50%;left:18%;top:-80px}
.feature-visual:after{content:"内容浏览";position:absolute;right:24px;bottom:20px;color:var(--lime);font-size:13px;letter-spacing:.2em}
.feature-info{padding:24px}.feature-info h3{font-size:23px;margin:8px 0}.feature-info p,.mini-card p{color:var(--muted);font-size:14px}
.badge{display:inline-block;border:1px solid #8b5662;color:var(--orange2);border-radius:5px;padding:3px 8px;font-size:12px}
.mini-stack{display:grid;gap:18px}.mini-card{padding:23px}.mini-card h3{font-size:18px;margin:10px 0 5px}
.mini-card a,.text-link{display:inline-flex;color:var(--orange2);font-size:14px;margin-top:15px;font-weight:700}
.news-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.news-intro{padding:32px 0;border-top:3px solid var(--orange)}
.news-intro h3{font-size:26px;line-height:1.4}.news-intro p{color:#766876;margin-top:15px}
.news-list{display:grid;gap:0}
.news-item{display:grid;grid-template-columns:105px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid #d8c8cf;transition:.25s}
.news-date{font-size:13px;color:#a35d61;font-weight:700;padding-top:3px}.news-item h3{font-size:18px;line-height:1.45}.news-item p{font-size:14px;color:#766876;margin-top:4px}.news-meta{font-size:12px;color:#a18d9c;margin-top:8px}
.empty-state{padding:30px 0;color:#8b7988}
.download{background:#21152c;padding:85px 0;position:relative;overflow:hidden}
.download:after{content:"APP";position:absolute;right:7%;top:25px;font-size:180px;font-weight:900;color:rgba(255,255,255,.025);letter-spacing:-.1em}
.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;position:relative;z-index:1}
.download h2{font-size:35px;line-height:1.3;margin:10px 0 17px}.download p{color:var(--muted);max-width:510px}
.device-stage{height:300px;border:1px solid #63435c;border-radius:20px;background:#2d1c38;display:flex;align-items:center;justify-content:center;position:relative}
.device{height:245px;width:128px;border:5px solid #100b16;border-radius:22px;background:#5a304a;box-shadow:0 0 0 1px #a15c67,0 20px 40px #0d0712;position:relative;overflow:hidden;transform:rotate(-8deg)}
.device:before{content:"PG";position:absolute;top:58px;left:27px;font-size:42px;font-weight:900;color:#ff9470}.device:after{content:"";position:absolute;left:15px;right:15px;bottom:28px;height:7px;background:var(--lime);box-shadow:0 -22px 0 #8b5ecc,0 -44px 0 #ff704c}
.download-note{display:flex;gap:12px;align-items:center;color:#d8cbd8;font-size:13px;margin-top:24px}.download-note b{color:var(--lime)}
.faq{background:#f0e8e4;color:var(--dark)}
.faq-list{max-width:900px;margin:auto;border-top:1px solid #d2c1c6}
details{border-bottom:1px solid #d2c1c6;padding:20px 0}
summary{list-style:none;cursor:pointer;font-weight:700;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}summary:after{content:"+";color:#b55c4b;font-size:22px;font-weight:400}details[open] summary:after{content:"−"}details p{color:#766876;font-size:14px;padding:13px 35px 0 0}
.cta{padding:80px 0;background:var(--orange);color:#28151d}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:32px;line-height:1.3}.cta p{margin-top:8px;color:#633b3e}.cta .btn-primary{background:#28151d;color:#fff}.cta .btn-primary:hover{background:#422432}
.footer{background:#120c18;border-top:1px solid #39243f;padding:45px 0 25px}.footer-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:50px}.footer-brand p{color:var(--muted);font-size:13px;margin-top:17px;max-width:270px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.footer-links h4{font-size:13px;color:var(--lime);margin-bottom:12px}.footer-links a{display:block;color:#bbaebe;font-size:13px;margin:7px 0}.footer-links a:hover{color:var(--orange2)}.copyright{border-top:1px solid #302035;margin-top:35px;padding-top:18px;color:#796b7d;font-size:12px;display:flex;justify-content:space-between;gap:20px}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
@media(max-width:1024px){.nav{gap:13px}.nav a{font-size:13px}.hero-grid{gap:35px}.section{padding:78px 0}.container{width:min(var(--container),calc(100% - 36px))}}
@media(max-width:768px){.site-header{height:70px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:70px;left:0;right:0;background:#191120;padding:14px 20px 22px;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line)}.nav.open{display:flex}.nav a{padding:13px 8px;border-bottom:1px solid rgba(255,255,255,.07)}.nav a.active:after{left:auto;width:4px;height:22px;top:12px;bottom:auto}.header-action{display:none}.hero{min-height:auto;padding:85px 0 45px}.hero-grid,.download-grid,.news-layout,.product-layout{grid-template-columns:1fr}.hero-art{min-height:340px;margin-top:10px}.arcade-card{inset:12px 12px 10px 12px}.signal-inner{flex-wrap:wrap}.section-head{display:block}.section-head p{margin-top:14px}.overview{grid-template-columns:1fr}.overview-item,.overview-item:first-child{padding:25px 0;border-right:0;border-bottom:1px solid #d8c8cf}.overview-item:last-child{border-bottom:0}.download-grid{gap:35px}.device-stage{height:260px}.cta-inner{display:block}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr;gap:30px}}
@media(max-width:520px){body{font-size:15px}.container{width:calc(100% - 32px)}.logo strong{font-size:14px}.hero h1{font-size:34px}.hero-copy{font-size:15px}.actions{display:grid;grid-template-columns:1fr}.actions .btn{width:100%}.hero-art{min-height:280px}.arcade-card{padding:15px}.art-screen{height:145px;margin:16px 0}.art-screen:after{font-size:52px}.section{padding:62px 0}.section-head h2,.download h2,.cta h2{font-size:27px}.feature-visual{height:190px}.news-item{grid-template-columns:78px 1fr;gap:12px}.news-item h3{font-size:16px}.news-item p{font-size:13px}.footer-links{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: category1 */
:root{
      --ink:#f8f3f5;--muted:#b7aab9;--bg:#17101f;--bg2:#21152a;
      --panel:#281a31;--panel2:#302039;--line:#49334f;--orange:#ff704c;
      --orange2:#ff9365;--lime:#c9f05b;--purple:#8e62d9;--cream:#f5eee8;
      --dark:#221827;--soft:#80717e;--shadow:0 18px 50px rgba(4,2,8,.35);
      --radius:16px;--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"思源黑体","Noto Sans 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;border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{height:78px;background:#191120;border-bottom:1px solid rgba(255,255,255,.08);position:relative;z-index:10}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:12px;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border:2px solid var(--orange);border-radius:9px;position:relative;transform:rotate(8deg)}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime)}
    .logo-mark:before{width:13px;height:3px;left:8px;top:9px}
    .logo-mark:after{width:7px;height:3px;left:8px;top:17px}
    .logo small{display:block;color:var(--muted);font-size:10px;line-height:1;font-weight:500}
    .logo strong{display:block;font-size:17px;font-weight:800}
    .nav{display:flex;align-items:center;gap:24px}
    .nav a{font-size:14px;color:#d6cbd7;position:relative;padding:27px 0 24px;white-space:nowrap}
    .nav a:hover,.nav a.active{color:#fff}
    .nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--orange);border-radius:3px}
    .header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:10px;padding:12px 18px;font-weight:700;transition:.25s ease}
    .header-action{background:var(--orange);color:#24121c;font-size:13px}
    .header-action:hover,.btn-primary:hover{background:var(--orange2);transform:translateY(-2px);box-shadow:0 8px 22px rgba(255,112,76,.22)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px}
    .page-hero{padding:92px 0 88px;background:#21152a;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;width:520px;height:520px;right:-140px;top:-230px;border:1px solid rgba(255,112,76,.28);border-radius:50%;box-shadow:0 0 0 36px rgba(142,98,217,.08),0 0 0 75px rgba(255,112,76,.04)}
    .page-hero:after{content:"";position:absolute;right:12%;bottom:0;width:180px;height:5px;background:var(--lime);box-shadow:0 0 28px var(--lime)}
    .hero-inner{position:relative;z-index:1;max-width:820px}
    .eyebrow,.section-kicker{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.15em}
    .eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:20px}
    .eyebrow:before{content:"";width:30px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-.045em;margin-bottom:23px}
    h1 em{font-style:normal;color:var(--orange2)}
    .hero-inner>p{max-width:700px;color:var(--muted);font-size:17px;margin-bottom:30px}
    .crumbs{font-size:13px;color:var(--muted);margin-top:35px}
    .crumbs a{color:var(--orange2)}
    .section{padding:96px 0}
    .section-light{background:var(--cream);color:var(--dark)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
    .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.03em;margin:8px 0 0}
    .section-head p{max-width:450px;color:var(--soft);font-size:15px;margin-bottom:0}
    .intro-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:65px;align-items:start}
    .intro-copy{font-size:18px;line-height:1.95;color:#5d4b5c}
    .intro-copy p:last-child{margin-bottom:0}
    .info-panel{background:#2a1b33;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
    .info-panel h3{font-size:20px;margin-bottom:22px}
    .info-row{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid #49334f;color:var(--muted)}
    .info-row:last-child{border-bottom:0;padding-bottom:0}
    .info-row strong{color:var(--ink);font-size:15px}
    .topic-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .topic-card{padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);min-height:205px;transition:.25s}
    .topic-card:hover{transform:translateY(-4px);border-color:#a35d61;box-shadow:var(--shadow)}
    .topic-card.featured{grid-row:span 2;background:#302039}
    .topic-no{color:var(--lime);font-weight:800;font-size:13px;letter-spacing:.1em}
    .topic-card h3{font-size:21px;margin:22px 0 9px}
    .topic-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .topic-card .text-link{display:inline-block;color:var(--orange2);font-size:14px;font-weight:700;margin-top:20px}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;position:relative}
    .timeline:before{content:"";position:absolute;left:9%;right:9%;top:24px;height:1px;background:#d8c8cf}
    .step{position:relative;z-index:1}
    .step-dot{width:49px;height:49px;border-radius:50%;background:var(--cream);border:1px solid var(--orange);color:var(--orange);display:grid;place-items:center;font-weight:800;margin-bottom:25px}
    .step h3{font-size:20px;margin-bottom:8px}
    .step p{color:var(--soft);font-size:15px}
    .access{background:#17101f}
    .access-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .access-card{border-top:3px solid var(--orange);background:var(--panel);padding:28px;border-radius:0 0 var(--radius) var(--radius)}
    .access-card h3{font-size:19px;margin-bottom:9px}
    .access-card p{color:var(--muted);font-size:14px;margin-bottom:18px}
    .access-card a{color:var(--orange2);font-weight:700;font-size:14px}
    .faq{background:#f0e8e4;color:var(--dark)}
    .faq-list{max-width:900px;margin:auto;border-top:1px solid #d2c1c6}
    details{border-bottom:1px solid #d2c1c6;padding:21px 0}
    summary{cursor:pointer;list-style:none;font-weight:800;font-size:17px;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:#c65d4c;font-size:24px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:#756674;font-size:15px;padding:13px 35px 0 0;margin-bottom:0}
    .cta{padding:78px 0;background:var(--orange);color:#28151d}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:32px;line-height:1.3;margin-bottom:7px}
    .cta p{color:#633b3e;margin-bottom:0}
    .cta .btn-primary{background:#28151d;color:#fff}
    .btn-primary{background:var(--orange);color:#25121b}
    .btn-secondary{border:1px solid #76516d;color:#f1e6ed;background:transparent}
    .btn-secondary:hover{border-color:var(--orange);color:var(--orange2);transform:translateY(-2px)}
    .footer{background:#120c18;border-top:1px solid #39243f;padding:45px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:60px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:330px;margin-top:20px}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
    .footer-links h4{font-size:14px;margin:0 0 14px;color:#fff}
    .footer-links a{display:block;color:var(--muted);font-size:13px;margin:8px 0}
    .footer-links a:hover{color:var(--orange2)}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #39243f;margin-top:35px;padding-top:20px;color:#806d81;font-size:12px}
    a:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
    @media(max-width:1100px){.nav{gap:14px}.header-action{display:none}.intro-grid{gap:35px}}
    @media(max-width:850px){
      .nav{display:none}.menu-toggle{display:block}.site-header{height:70px}
      .header-inner{position:relative}.nav.open{display:flex;position:absolute;left:0;right:0;top:70px;background:#191120;padding:12px 22px 20px;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
      .nav.open a{padding:12px 0}.nav.open a.active:after{left:auto;width:35px;right:0;bottom:10px}
      .page-hero{padding:70px 0}.intro-grid,.topic-grid{grid-template-columns:1fr}.topic-card.featured{grid-row:auto}
      .access-grid{grid-template-columns:1fr 1fr}.timeline{gap:18px}
    }
    @media(max-width:600px){
      .container{width:min(var(--container),calc(100% - 36px))}
      h1{font-size:35px}.section{padding:68px 0}.section-head,.cta-inner{display:block}
      .section-head p{margin-top:16px}.timeline{grid-template-columns:1fr}.timeline:before{left:24px;top:25px;bottom:25px;width:1px;height:auto}
      .step{display:grid;grid-template-columns:49px 1fr;column-gap:18px}.step-dot{grid-row:span 2;margin:0}.step p{grid-column:2}
      .access-grid,.footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}
      .cta h2{font-size:26px;margin-bottom:18px}.cta .btn{width:100%;margin-top:25px}
      .copyright{display:block}.copyright span{display:block;margin-top:6px}
    }

/* roulang page: article */
:root{
      --ink:#f8f3f5;
      --muted:#b7aab9;
      --bg:#17101f;
      --bg2:#21152a;
      --panel:#281a31;
      --panel2:#302039;
      --line:#49334f;
      --orange:#ff704c;
      --orange2:#ff9365;
      --lime:#c9f05b;
      --purple:#8e62d9;
      --cream:#f5eee8;
      --dark:#221827;
      --copy:#3e3541;
      --copy-muted:#786b78;
      --shadow:0 18px 50px rgba(4,2,8,.35);
      --radius:16px;
      --container:1200px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"思源黑体","Noto Sans SC","Microsoft YaHei",sans-serif;
      background:var(--bg);
      color:var(--ink);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}

    .site-header{
      height:78px;
      border-bottom:1px solid rgba(255,255,255,.08);
      background:#191120;
      position:relative;
      z-index:20;
    }
    .header-inner{
      height:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      white-space:nowrap;
      letter-spacing:.01em;
      flex-shrink:0;
    }
    .logo-mark{
      width:34px;
      height:34px;
      border:2px solid var(--orange);
      border-radius:9px;
      position:relative;
      transform:rotate(8deg);
      flex:0 0 auto;
    }
    .logo-mark:before,.logo-mark:after{
      content:"";
      position:absolute;
      background:var(--lime);
    }
    .logo-mark:before{width:13px;height:3px;left:8px;top:9px}
    .logo-mark:after{width:7px;height:3px;left:8px;top:17px}
    .logo small{
      display:block;
      color:var(--muted);
      font-size:10px;
      font-weight:500;
      line-height:1;
    }
    .logo strong{display:block;font-size:17px;line-height:1.3}
    .nav{display:flex;align-items:center;gap:24px}
    .nav a{
      font-size:14px;
      color:#d6cbd7;
      position:relative;
      padding:27px 0 24px;
      white-space:nowrap;
      transition:color .2s ease;
    }
    .nav a:hover,.nav a.active{color:#fff}
    .nav a.active:after{
      content:"";
      position:absolute;
      bottom:0;
      left:0;
      right:0;
      height:3px;
      background:var(--orange);
      border-radius:3px;
    }
    .header-action,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:10px;
      padding:12px 18px;
      min-height:48px;
      font-weight:700;
      transition:transform .25s ease,background .25s ease,border-color .25s ease,box-shadow .25s ease;
    }
    .header-action{
      background:var(--orange);
      color:#24121c;
      font-size:13px;
      flex-shrink:0;
    }
    .header-action:hover,.btn-primary:hover{
      background:var(--orange2);
      transform:translateY(-2px);
      box-shadow:0 8px 22px rgba(255,112,76,.22);
    }
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      background:transparent;
      color:#fff;
      font-size:25px;
      line-height:1;
    }

    .article-hero{
      position:relative;
      overflow:hidden;
      background:#1b1223;
      border-bottom:1px solid rgba(255,255,255,.08);
      padding:63px 0 66px;
    }
    .article-hero:before{
      content:"";
      position:absolute;
      width:440px;
      height:440px;
      top:-240px;
      right:7%;
      border:1px solid rgba(255,112,76,.28);
      border-radius:50%;
      box-shadow:0 0 0 38px rgba(142,98,217,.07),0 0 0 78px rgba(255,112,76,.035);
    }
    .article-hero:after{
      content:"";
      position:absolute;
      width:100%;
      height:100%;
      inset:0;
      opacity:.25;
      pointer-events:none;
      background-image:linear-gradient(rgba(201,240,91,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(201,240,91,.09) 1px,transparent 1px);
      background-size:32px 32px;
      mask-image:linear-gradient(90deg,#000,transparent 72%);
    }
    .article-hero .container{position:relative;z-index:1}
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin:0 0 25px;
      padding:0;
      list-style:none;
      color:#bcaebe;
      font-size:13px;
    }
    .breadcrumb a{color:var(--orange2);transition:color .2s ease}
    .breadcrumb a:hover{color:var(--lime)}
    .breadcrumb li:last-child{
      max-width:min(640px,75vw);
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .crumb-divider{color:#746373}
    .article-category,.tag{
      display:inline-flex;
      align-items:center;
      border:1px solid rgba(255,147,101,.5);
      color:var(--orange2);
      background:rgba(255,112,76,.08);
      padding:3px 9px;
      border-radius:5px;
      font-size:12px;
      font-weight:700;
    }
    .article-hero h1{
      max-width:920px;
      margin:14px 0 18px;
      font-size:clamp(32px,4.4vw,52px);
      line-height:1.25;
      letter-spacing:0;
      font-weight:800;
    }
    .article-summary{
      max-width:780px;
      margin:0;
      color:var(--muted);
      font-size:17px;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:18px;
      align-items:center;
      margin-top:24px;
      color:#c4b6c3;
      font-size:13px;
    }
    .article-meta span{display:inline-flex;align-items:center;gap:7px}
    .meta-dot{
      width:6px;
      height:6px;
      border-radius:50%;
      background:var(--lime);
      display:inline-block;
    }

    .article-main{
      background:var(--cream);
      color:var(--dark);
      padding:70px 0 95px;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,790px) 290px;
      justify-content:space-between;
      align-items:start;
      gap:60px;
    }
    .article-paper{
      min-width:0;
      background:#fffaf6;
      border:1px solid #e0d3d5;
      border-radius:var(--radius);
      padding:clamp(28px,5vw,62px);
      box-shadow:0 20px 45px rgba(45,26,41,.08);
    }
    .article-content{
      color:var(--copy);
      font-size:16px;
      word-break:break-word;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content h2,.article-content h3,.article-content h4{
      color:#2b1c2d;
      font-weight:800;
      letter-spacing:0;
      line-height:1.42;
    }
    .article-content h2{
      margin:2.3em 0 .8em;
      padding-bottom:.55em;
      border-bottom:1px solid #e3d5d8;
      font-size:28px;
    }
    .article-content h3{margin:1.9em 0 .7em;font-size:22px}
    .article-content h4{margin:1.65em 0 .55em;font-size:18px}
    .article-content p{margin:0 0 1.25em}
    .article-content a{
      color:#bd472e;
      text-decoration:underline;
      text-decoration-thickness:1px;
      text-underline-offset:3px;
    }
    .article-content a:hover{color:#7d2b31}
    .article-content ul,.article-content ol{padding-left:1.35em;margin:0 0 1.35em}
    .article-content li{padding-left:.2em;margin:.45em 0}
    .article-content blockquote{
      margin:1.8em 0;
      padding:18px 22px;
      border-left:4px solid var(--orange);
      color:#655461;
      background:#f6ece8;
    }
    .article-content img{
      width:auto;
      margin:1.8em auto;
      border-radius:10px;
      border:1px solid #e0d1d5;
    }
    .article-content table{
      width:100%;
      margin:1.8em 0;
      border-collapse:collapse;
      overflow:hidden;
      font-size:14px;
    }
    .article-content th,.article-content td{
      border:1px solid #dfd0d5;
      padding:11px 13px;
      text-align:left;
      vertical-align:top;
    }
    .article-content th{background:#f1e5e4;color:#3b293b}
    .article-content hr{border:0;border-top:1px solid #e2d3d7;margin:2em 0}
    .empty-content{text-align:center;padding:35px 10px}
    .empty-content h2{font-size:26px;margin:0 0 10px}
    .empty-content p{color:var(--copy-muted);margin:0 0 22px}

    .article-bottom{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:16px;
      padding-top:30px;
      margin-top:38px;
      border-top:1px solid #e0d3d5;
    }
    .article-bottom-info{color:#7a6875;font-size:13px}
    .article-bottom-info strong{color:#4c394c}
    .back-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#a53e30;
      font-weight:800;
      font-size:14px;
    }
    .back-link:hover{color:#622536}

    .article-aside{position:sticky;top:26px}
    .side-card{
      padding:25px;
      border:1px solid #ddcdd4;
      border-radius:14px;
      background:#fdf6f1;
      margin-bottom:18px;
    }
    .side-card h2{
      margin:0 0 12px;
      color:#332137;
      font-size:18px;
      line-height:1.45;
      font-weight:800;
    }
    .side-card p{margin:0;color:#786774;font-size:14px;line-height:1.75}
    .side-card .btn{width:100%;margin-top:18px}
    .article-details{display:grid;gap:11px;margin:0;padding:0;list-style:none}
    .article-details li{
      display:flex;
      justify-content:space-between;
      gap:10px;
      padding-bottom:10px;
      border-bottom:1px solid #eadde0;
      color:#756472;
      font-size:13px;
    }
    .article-details li:last-child{border-bottom:0;padding-bottom:0}
    .article-details strong{color:#3f2d42;font-weight:700;text-align:right}
    .btn-primary{background:var(--orange);color:#25121b}
    .btn-secondary{border:1px solid #a47c91;color:#553c51;background:transparent}
    .btn-secondary:hover{border-color:var(--orange);color:#9a3d30;transform:translateY(-2px)}

    .related{
      padding:88px 0;
      background:var(--bg2);
    }
    .section-kicker{
      color:var(--lime);
      font-size:12px;
      font-weight:800;
      letter-spacing:.14em;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .section-head h2{
      margin:7px 0 0;
      font-size:32px;
      line-height:1.3;
      font-weight:800;
    }
    .section-head p{
      margin:0;
      max-width:420px;
      color:var(--muted);
      font-size:14px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .related-card{
      min-height:245px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:25px;
      border:1px solid var(--line);
      background:var(--panel);
      border-radius:var(--radius);
      transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
    }
    .related-card:hover{
      transform:translateY(-4px);
      border-color:#a35d61;
      box-shadow:var(--shadow);
    }
    .related-card h3{
      margin:16px 0 11px;
      font-size:20px;
      line-height:1.45;
      font-weight:800;
    }
    .related-card p{margin:0;color:var(--muted);font-size:14px}
    .card-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      margin-top:20px;
      color:var(--orange2);
      font-size:14px;
      font-weight:800;
    }
    .card-link:hover{color:var(--lime)}

    .faq{
      padding:88px 0;
      background:#f0e8e4;
      color:var(--dark);
    }
    .faq-wrap{max-width:900px;margin:auto}
    .faq-wrap .section-head{display:block;text-align:center;margin-bottom:30px}
    .faq-wrap .section-head p{margin:12px auto 0;color:#786a77}
    .faq-list{border-top:1px solid #d2c1c6}
    .faq-item{border-bottom:1px solid #d2c1c6}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 0;
      background:none;
      color:#322334;
      text-align:left;
      font-weight:800;
      font-size:16px;
    }
    .faq-icon{
      width:27px;
      height:27px;
      flex:0 0 auto;
      position:relative;
      border:1px solid #b8a4ad;
      border-radius:50%;
    }
    .faq-icon:before,.faq-icon:after{
      content:"";
      position:absolute;
      background:#5f4356;
      top:12px;
      left:7px;
      width:11px;
      height:2px;
      transition:transform .2s ease;
    }
    .faq-icon:after{transform:rotate(90deg)}
    .faq-question[aria-expanded="true"] .faq-icon:after{transform:rotate(0)}
    .faq-answer{
      display:none;
      padding:0 42px 21px 0;
      color:#675765;
      font-size:15px;
    }
    .faq-answer.open{display:block}

    .cta{
      padding:72px 0;
      background:var(--orange);
      color:#28151d;
    }
    .cta-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
    }
    .cta h2{margin:0;font-size:32px;line-height:1.3;font-weight:800}
    .cta p{margin:8px 0 0;color:#633b3e}
    .cta .btn-primary{background:#28151d;color:#fff}
    .cta .btn-primary:hover{background:#422432}

    .footer{
      background:#120c18;
      border-top:1px solid #39243f;
      padding:45px 0 25px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr 1.5fr;
      gap:70px;
      padding-bottom:34px;
    }
    .footer-brand p{
      max-width:370px;
      margin:17px 0 0;
      color:#9e90a0;
      font-size:14px;
    }
    .footer-links{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:25px;
    }
    .footer-links h4{
      margin:0 0 12px;
      color:#f1e7f0;
      font-size:14px;
      font-weight:800;
    }
    .footer-links a{
      display:block;
      width:max-content;
      max-width:100%;
      margin:7px 0;
      color:#a99aaa;
      font-size:13px;
      transition:color .2s ease;
    }
    .footer-links a:hover{color:var(--orange2)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:22px;
      border-top:1px solid #33233a;
      color:#817383;
      font-size:12px;
    }

    @media (max-width:1100px){
      .nav{gap:16px}
      .nav a{font-size:13px}
      .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:28px}
      .footer-grid{gap:38px}
    }
    @media (max-width:900px){
      .site-header{height:70px}
      .nav{
        display:none;
        position:absolute;
        top:70px;
        left:0;
        right:0;
        padding:12px 24px 20px;
        background:#191120;
        border-bottom:1px solid var(--line);
        box-shadow:var(--shadow);
      }
      .nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}
      .nav a{padding:13px 0;font-size:15px}
      .nav a.active:after{top:auto;bottom:4px;right:auto;width:30px}
      .menu-toggle{display:block}
      .header-action{margin-left:auto}
      .article-layout{grid-template-columns:1fr}
      .article-aside{
        position:static;
        display:grid;
        grid-template-columns:1fr 1fr;
        gap:16px;
      }
      .side-card{margin:0}
      .related-grid{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .article-hero{padding:48px 0 52px}
      .article-summary{font-size:16px}
      .article-main{padding:45px 0 65px}
      .related,.faq{padding:65px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .footer-links{grid-template-columns:repeat(3,1fr)}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:560px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .logo{gap:9px}
      .logo-mark{width:30px;height:30px}
      .logo strong{font-size:14px}
      .logo small{font-size:8px}
      .header-action{display:none}
      .article-hero h1{font-size:31px}
      .breadcrumb{font-size:12px}
      .article-paper{padding:25px 20px}
      .article-content{font-size:15px}
      .article-content h2{font-size:24px}
      .article-content h3{font-size:20px}
      .article-aside{grid-template-columns:1fr}
      .related-grid{grid-template-columns:1fr}
      .related-card{min-height:210px}
      .section-head h2,.cta h2{font-size:27px}
      .article-bottom{align-items:flex-start;flex-direction:column}
      .footer-links{grid-template-columns:1fr 1fr;gap:20px}
      .copyright{align-items:flex-start;flex-direction:column;gap:5px}
      .cta .btn{width:100%}
    }

/* roulang page: category2 */
:root{
      --ink:#f8f3f5;--muted:#b7aab9;--bg:#17101f;--bg2:#21152a;
      --panel:#281a31;--panel2:#302039;--line:#49334f;--orange:#ff704c;
      --orange2:#ff9365;--lime:#c9f05b;--purple:#8e62d9;--cream:#f5eee8;
      --dark:#221827;--shadow:0 18px 50px rgba(4,2,8,.35);--radius:16px;
      --container:1200px;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"思源黑体","Noto Sans SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;border-bottom:1px solid rgba(255,255,255,.08);background:#191120;position:relative;z-index:10}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:12px;font-weight:800;white-space:nowrap;letter-spacing:.01em}
    .logo-mark{width:34px;height:34px;border:2px solid var(--orange);border-radius:9px;position:relative;transform:rotate(8deg);flex:none}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime)}
    .logo-mark:before{width:13px;height:3px;left:8px;top:9px}
    .logo-mark:after{width:7px;height:3px;left:8px;top:17px}
    .logo small{display:block;color:var(--muted);font-size:10px;font-weight:500;line-height:1}
    .logo strong{font-size:17px}
    .nav{display:flex;align-items:center;gap:24px}
    .nav a{font-size:14px;color:#d6cbd7;position:relative;padding:27px 0 24px;white-space:nowrap}
    .nav a:hover,.nav a.active{color:#fff}
    .nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--orange);border-radius:3px}
    .header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:10px;padding:12px 18px;font-weight:700;transition:.25s ease}
    .header-action{background:var(--orange);color:#24121c;font-size:13px}
    .header-action:hover,.btn-primary:hover{background:var(--orange2);transform:translateY(-2px);box-shadow:0 8px 22px rgba(255,112,76,.22)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px}
    .page-hero{padding:78px 0 88px;position:relative;overflow:hidden;background:#17101f}
    .page-hero:before{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-250px;border:1px solid rgba(255,112,76,.25);border-radius:50%;box-shadow:0 0 0 36px rgba(142,98,217,.07),0 0 0 72px rgba(255,112,76,.05)}
    .page-hero:after{content:"";position:absolute;right:9%;bottom:24px;width:170px;height:92px;background-image:linear-gradient(rgba(201,240,91,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(201,240,91,.14) 1px,transparent 1px);background-size:17px 17px;opacity:.45}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:center}
    .eyebrow,.section-kicker{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
    .eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:20px}
    .eyebrow:before{content:"";width:30px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,62px);line-height:1.18;letter-spacing:-.045em;margin-bottom:22px}
    h1 em{font-style:normal;color:var(--orange2)}
    .hero-copy{color:var(--muted);max-width:650px;font-size:17px;margin-bottom:30px}
    .btn{min-height:48px}
    .btn-primary{background:var(--orange);color:#25121b}
    .btn-secondary{border:1px solid #76516d;color:#f1e6ed;background:transparent}
    .btn-secondary:hover{border-color:var(--orange);color:var(--orange2);transform:translateY(-2px)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .content-map{position:relative;min-height:300px;border:1px solid #68415c;border-radius:22px;background:#24162d;padding:27px;box-shadow:var(--shadow);transform:rotate(2deg)}
    .content-map:before{content:"";position:absolute;inset:0;border-radius:22px;background:repeating-linear-gradient(0deg,transparent 0 8px,rgba(255,255,255,.025) 9px);pointer-events:none}
    .map-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;letter-spacing:.12em}
    .map-title{font-size:25px;font-weight:800;margin:42px 0 24px}
    .map-line{height:7px;background:#48304d;border-radius:4px;margin:14px 0;overflow:hidden}
    .map-line span{display:block;height:100%;background:var(--orange);border-radius:4px}
    .map-line:nth-of-type(2) span{background:var(--lime)}
    .map-line:nth-of-type(3) span{background:var(--purple)}
    .map-label{display:flex;justify-content:space-between;color:#d9cbd9;font-size:13px}
    .section{padding:96px 0}
    .section-light{background:var(--cream);color:var(--dark)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.03em;margin:8px 0 0}
    .section-head p{max-width:460px;color:#80717e;font-size:15px;margin-bottom:0}
    .intro-band{display:grid;grid-template-columns:1fr 1.5fr;gap:55px;align-items:start}
    .intro-band h2{font-size:32px;line-height:1.3}
    .intro-band p{color:#786a78}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .topic-card{padding:27px;border:1px solid #d9c9cf;background:#fffaf7;border-radius:var(--radius);transition:.25s}
    .topic-card:hover{transform:translateY(-5px);box-shadow:0 14px 28px rgba(48,24,43,.1);border-color:#d88472}
    .topic-no{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.12em}
    .topic-card h3{font-size:20px;margin:20px 0 8px}
    .topic-card p{font-size:14px;color:#786a78;margin-bottom:0}
    .game-section{background:var(--bg2)}
    .game-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:17px}
    .game-card{min-height:300px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:25px;position:relative;overflow:hidden;transition:.25s}
    .game-card:hover{transform:translateY(-5px);border-color:#a35d61;box-shadow:var(--shadow)}
    .game-card.featured{min-height:395px;background:#2d1b37}
    .game-card:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(201,240,91,.35);border-radius:50%;right:-65px;top:-42px}
    .game-card.featured:before{content:"";position:absolute;left:-45px;bottom:-75px;width:240px;height:240px;border:1px solid rgba(255,112,76,.4);border-radius:50%}
    .badge{display:inline-block;border:1px solid #8b5662;color:var(--orange2);border-radius:5px;padding:3px 8px;font-size:12px}
    .game-card h3{font-size:24px;line-height:1.35;margin:72px 0 10px;position:relative;z-index:1}
    .game-card:not(.featured) h3{font-size:19px;margin-top:55px}
    .game-card p{color:var(--muted);font-size:14px;position:relative;z-index:1}
    .card-link{display:inline-flex;color:var(--orange2);font-weight:700;font-size:14px;margin-top:15px;position:relative;z-index:1}
    .note-strip{margin-top:24px;padding:17px 20px;border-left:3px solid var(--lime);background:#21152a;color:var(--muted);font-size:14px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #d8c8cf}
    .process-step{padding:28px 24px 10px 0;border-right:1px solid #d8c8cf;margin-right:24px}
    .process-step:last-child{border-right:0;margin-right:0}
    .process-step strong{display:block;color:var(--orange);font-size:28px;line-height:1;margin-bottom:20px}
    .process-step h3{font-size:18px;margin-bottom:8px}
    .process-step p{color:#786a78;font-size:14px;margin-bottom:0}
    .faq{background:#f0e8e4;color:var(--dark)}
    .faq-list{max-width:900px;margin:auto;border-top:1px solid #d2c1c6}
    details{border-bottom:1px solid #d2c1c6;padding:0}
    summary{list-style:none;cursor:pointer;padding:21px 42px 21px 0;font-weight:700;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:4px;top:17px;color:var(--orange);font-size:25px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{color:#786a78;font-size:14px;padding:0 40px 21px 0;margin:0}
    .cta{padding:76px 0;background:var(--orange);color:#28151d}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:32px;line-height:1.3;margin-bottom:0}
    .cta p{margin:8px 0 0;color:#633b3e}
    .cta .btn-primary{background:#28151d;color:#fff}
    .cta .btn-primary:hover{background:#422432}
    .footer{background:#120c18;border-top:1px solid #39243f;padding:45px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:70px}
    .footer-brand p{max-width:350px;color:var(--muted);font-size:14px;margin:18px 0 0}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
    .footer-links h4{font-size:14px;color:#fff;margin:0 0 14px}
    .footer-links a{display:block;color:var(--muted);font-size:13px;margin:8px 0;transition:.2s}
    .footer-links a:hover{color:var(--orange2);padding-left:3px}
    .copyright{border-top:1px solid #39243f;margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#806d82;font-size:12px}
    @media(max-width:1100px){.nav{gap:14px}.header-action{display:none}.hero-inner{gap:40px}.game-grid{grid-template-columns:1fr 1fr}.game-card.featured{grid-column:span 2}}
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .site-header{height:70px}.header-inner{gap:14px}.menu-toggle{display:block}
      .nav{display:none;position:absolute;left:0;right:0;top:70px;background:#191120;padding:12px 18px 20px;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line)}
      .nav.open{display:flex}.nav a{padding:13px 8px;border-bottom:1px solid rgba(255,255,255,.07)}
      .nav a.active:after{left:auto;right:8px;top:14px;bottom:14px;width:3px;height:auto}
      .hero-inner,.intro-band{grid-template-columns:1fr}.page-hero{padding:65px 0 72px}.content-map{transform:none;min-height:260px}
      .section{padding:70px 0}.section-head{display:block}.section-head p{margin-top:14px}
      .topic-grid{grid-template-columns:1fr}.game-grid{grid-template-columns:1fr}.game-card.featured{grid-column:auto}
      .process{grid-template-columns:1fr 1fr;gap:18px}.process-step{border-right:0;margin:0;padding:20px 5px 10px 0}
      .cta-inner{display:block}.cta .btn{margin-top:24px}.footer-grid{grid-template-columns:1fr;gap:35px}
    }
    @media(max-width:520px){
      h1{font-size:35px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}
      .logo strong{font-size:15px}.logo small{font-size:8px}.topic-card{padding:23px}
      .game-card.featured{min-height:330px}.copyright{display:block}.copyright span{display:block;margin-top:6px}
      .footer-links{gap:12px}.footer-links a{font-size:12px}
    }

/* roulang page: category3 */
:root{
      --ink:#f8f3f5;
      --muted:#b7aab9;
      --bg:#17101f;
      --bg2:#21152a;
      --panel:#281a31;
      --panel2:#302039;
      --line:#49334f;
      --orange:#ff704c;
      --orange2:#ff9365;
      --lime:#c9f05b;
      --purple:#8e62d9;
      --cream:#f5eee8;
      --dark:#221827;
      --soft:#f0e8e4;
      --shadow:0 18px 50px rgba(4,2,8,.35);
      --radius:16px;
      --container:1200px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"思源黑体","Noto Sans SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;border-bottom:1px solid rgba(255,255,255,.08);background:#191120;position:relative;z-index:10}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:12px;font-weight:800;white-space:nowrap;letter-spacing:.01em}
    .logo-mark{width:34px;height:34px;border:2px solid var(--orange);border-radius:9px;position:relative;transform:rotate(8deg);flex:none}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime)}
    .logo-mark:before{width:13px;height:3px;left:8px;top:9px}
    .logo-mark:after{width:7px;height:3px;left:8px;top:17px}
    .logo small{display:block;color:var(--muted);font-size:10px;font-weight:500;line-height:1}
    .logo strong{display:block;font-size:17px}
    .nav{display:flex;align-items:center;gap:24px}
    .nav a{font-size:14px;color:#d6cbd7;position:relative;padding:27px 0 24px;white-space:nowrap}
    .nav a:hover,.nav a.active{color:#fff}
    .nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--orange);border-radius:3px}
    .header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:10px;padding:12px 18px;font-weight:700;transition:.25s ease}
    .header-action{background:var(--orange);color:#24121c;font-size:13px}
    .header-action:hover,.btn-primary:hover{background:var(--orange2);transform:translateY(-2px);box-shadow:0 8px 22px rgba(255,112,76,.22)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px;padding:8px}
    .page-hero{position:relative;overflow:hidden;padding:110px 0 115px;background:#17101f}
    .page-hero:before{content:"";position:absolute;right:-120px;top:-210px;width:560px;height:560px;border:1px solid rgba(255,112,76,.2);border-radius:50%;box-shadow:0 0 0 35px rgba(142,98,217,.06),0 0 0 78px rgba(255,112,76,.04)}
    .page-hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:90px;background:linear-gradient(transparent,var(--bg))}
    .hero-inner{position:relative;z-index:1;max-width:820px}
    .eyebrow,.section-kicker{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
    .eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:20px}
    .eyebrow:before{content:"";width:30px;height:2px;background:var(--orange)}
    h1,h2,h3,h4,p{margin-top:0}
    .page-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-.045em;margin-bottom:22px}
    .page-hero h1 em{font-style:normal;color:var(--orange2)}
    .hero-copy{max-width:720px;color:var(--muted);font-size:17px;margin-bottom:30px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .btn{min-height:48px}
    .btn-primary{background:var(--orange);color:#25121b}
    .btn-secondary{border:1px solid #76516d;color:#f1e6ed;background:transparent}
    .btn-secondary:hover{border-color:var(--orange);color:var(--orange2);transform:translateY(-2px)}
    .section{padding:100px 0}
    .section-light{background:var(--cream);color:var(--dark)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
    .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.03em;margin:8px 0 0}
    .section-head p{max-width:470px;color:#80717e;font-size:15px;margin:0}
    .topic-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:18px}
    .topic-card{min-height:245px;padding:30px;border:1px solid #d8c8cf;background:#fffaf6;border-radius:var(--radius);position:relative;overflow:hidden;transition:.25s}
    .topic-card:first-child{background:var(--dark);color:var(--ink);border-color:#4d3453}
    .topic-card:hover{transform:translateY(-5px);box-shadow:0 16px 30px rgba(43,25,42,.12)}
    .topic-no{font-size:12px;color:var(--orange);font-weight:800;letter-spacing:.12em}
    .topic-card h3{font-size:22px;margin:36px 0 10px}
    .topic-card p{font-size:14px;color:#806f7c;margin-bottom:20px}
    .topic-card:first-child p{color:var(--muted)}
    .text-link{display:inline-flex;color:var(--orange);font-size:14px;font-weight:800}
    .topic-card:after{content:"↗";position:absolute;right:26px;bottom:20px;font-size:32px;color:rgba(255,112,76,.28)}
    .signal-section{background:var(--bg2)}
    .signal-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
    .signal-intro h2{font-size:34px;line-height:1.3;margin:10px 0 20px}
    .signal-intro p{color:var(--muted);max-width:400px}
    .signal-list{border-top:1px solid var(--line)}
    .signal-row{display:grid;grid-template-columns:82px 1fr auto;gap:22px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line);transition:.25s}
    .signal-row:hover{padding-left:8px;border-color:#9c5a62}
    .signal-date{font-size:13px;color:var(--lime);line-height:1.4}
    .signal-date b{display:block;font-size:24px;color:var(--ink)}
    .signal-row h3{font-size:19px;margin:0 0 4px}
    .signal-row p{color:var(--muted);font-size:14px;margin:0}
    .badge{display:inline-block;border:1px solid #8b5662;color:var(--orange2);border-radius:5px;padding:3px 8px;font-size:12px;white-space:nowrap}
    .principles{background:#24162d}
    .principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .principle{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);transition:.25s}
    .principle:hover{transform:translateY(-4px);border-color:#a35d61;box-shadow:var(--shadow)}
    .principle-icon{width:42px;height:42px;border:1px solid var(--orange);border-radius:10px;color:var(--lime);display:grid;place-items:center;font-size:20px;margin-bottom:22px}
    .principle h3{font-size:19px;margin-bottom:8px}
    .principle p{color:var(--muted);font-size:14px;margin:0}
    .guide-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #d8c8cf;border-bottom:1px solid #d8c8cf}
    .guide-item{padding:26px 24px;border-right:1px solid #d8c8cf}
    .guide-item:last-child{border-right:0}
    .guide-item strong{display:block;font-size:20px;margin-bottom:4px}
    .guide-item span{font-size:14px;color:#806f7c}
    .faq{background:#f0e8e4;color:var(--dark)}
    .faq-list{max-width:920px;margin:auto;border-top:1px solid #d2c1c6}
    .faq-item{border-bottom:1px solid #d2c1c6}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;background:transparent;color:var(--dark);text-align:left;font-weight:800}
    .faq-question span:last-child{color:var(--orange);font-size:24px;transition:.25s}
    .faq-answer{display:none;color:#766876;font-size:15px;padding:0 42px 22px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:78px 0;background:var(--orange);color:#28151d}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:32px;line-height:1.3;margin:0}
    .cta p{margin:8px 0 0;color:#633b3e}
    .cta .btn-primary{background:#28151d;color:#fff}
    .cta .btn-primary:hover{background:#422432}
    .footer{background:#120c18;border-top:1px solid #39243f;padding:45px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:70px}
    .footer-brand p{max-width:340px;color:var(--muted);font-size:14px;margin:18px 0 0}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
    .footer-links h4{font-size:14px;color:#fff;margin:0 0 14px}
    .footer-links a{display:block;color:var(--muted);font-size:13px;margin:8px 0;transition:.2s}
    .footer-links a:hover{color:var(--orange2);padding-left:3px}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #39243f;margin-top:38px;padding-top:20px;color:#7f6f82;font-size:12px}
    @media(max-width:1024px){
      .nav{gap:14px}.nav a{font-size:13px}
      .header-action{display:none}
      .topic-grid{grid-template-columns:1fr 1fr}.topic-card:first-child{grid-column:span 2}
      .signal-layout{gap:40px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .site-header{height:70px}
      .nav{display:none;position:absolute;top:70px;left:0;right:0;padding:12px 22px 22px;background:#191120;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}
      .nav.open{display:flex}
      .nav a{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.06)}
      .nav a.active:after{left:auto;right:0;top:13px;bottom:13px;width:3px;height:auto}
      .menu-toggle{display:block}
      .page-hero{padding:82px 0 90px}
      .section{padding:74px 0}
      .section-head,.cta-inner{display:block}
      .section-head p{margin-top:16px}
      .signal-layout{grid-template-columns:1fr;gap:35px}
      .principle-grid{grid-template-columns:1fr}
      .guide-strip{grid-template-columns:1fr 1fr}
      .guide-item:nth-child(2){border-right:0}
      .guide-item:nth-child(-n+2){border-bottom:1px solid #d8c8cf}
      .footer-grid{grid-template-columns:1fr;gap:35px}
      .cta .btn{margin-top:25px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}
      .logo strong{font-size:14px}
      .logo-mark{width:30px;height:30px}
      .page-hero h1{font-size:34px}
      .hero-copy{font-size:15px}
      .hero-actions .btn{width:100%}
      .topic-grid{grid-template-columns:1fr}
      .topic-card:first-child{grid-column:auto}
      .topic-card{min-height:210px}
      .signal-row{grid-template-columns:62px 1fr;gap:14px}
      .signal-row .badge{grid-column:2;justify-self:start}
      .guide-strip{grid-template-columns:1fr}
      .guide-item{border-right:0!important;border-bottom:1px solid #d8c8cf}
      .guide-item:last-child{border-bottom:0}
      .copyright{display:block}
      .copyright span{display:block;margin-top:7px}
      .footer-links{grid-template-columns:1fr 1fr}
      .footer-links div:last-child{grid-column:span 2}
    }

/* roulang page: category4 */
:root{
      --ink:#f8f3f5;
      --muted:#b7aab9;
      --bg:#17101f;
      --bg2:#21152a;
      --panel:#281a31;
      --panel2:#302039;
      --line:#49334f;
      --orange:#ff704c;
      --orange2:#ff9365;
      --lime:#c9f05b;
      --purple:#8e62d9;
      --cream:#f5eee8;
      --dark:#221827;
      --shadow:0 18px 50px rgba(4,2,8,.35);
      --radius:16px;
      --container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"思源黑体","Noto Sans SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;border-bottom:1px solid rgba(255,255,255,.08);background:#191120;position:relative;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:12px;font-weight:800;white-space:nowrap;letter-spacing:.01em}
    .logo-mark{width:34px;height:34px;border:2px solid var(--orange);border-radius:9px;position:relative;transform:rotate(8deg);flex:none}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime)}
    .logo-mark:before{width:13px;height:3px;left:8px;top:9px}
    .logo-mark:after{width:7px;height:3px;left:8px;top:17px}
    .logo small{display:block;color:var(--muted);font-size:10px;font-weight:500;line-height:1}
    .logo strong{display:block;font-size:17px}
    .nav{display:flex;align-items:center;gap:23px}
    .nav a{font-size:14px;color:#d6cbd7;position:relative;padding:27px 0 24px;white-space:nowrap}
    .nav a:hover,.nav a.active{color:#fff}
    .nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--orange);border-radius:3px}
    .header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:10px;padding:12px 18px;font-weight:700;transition:.25s ease}
    .header-action{background:var(--orange);color:#24121c;font-size:13px}
    .header-action:hover,.btn-primary:hover{background:var(--orange2);transform:translateY(-2px);box-shadow:0 8px 22px rgba(255,112,76,.22)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px;padding:8px}
    .page-hero{position:relative;overflow:hidden;padding:96px 0 88px;background:#17101f}
    .page-hero:before{content:"";position:absolute;width:580px;height:580px;right:-200px;top:-250px;border:1px solid rgba(255,112,76,.25);border-radius:50%;box-shadow:0 0 0 36px rgba(142,98,217,.06),0 0 0 78px rgba(255,112,76,.04)}
    .page-hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(90deg,#000,transparent 75%);pointer-events:none}
    .hero-inner{position:relative;z-index:1;max-width:820px}
    .eyebrow,.section-kicker{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
    .eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:20px}
    .eyebrow:before{content:"";width:30px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,60px);line-height:1.18;letter-spacing:-.045em;margin-bottom:22px}
    h1 em{font-style:normal;color:var(--orange2)}
    .hero-copy{color:var(--muted);max-width:700px;font-size:17px;margin-bottom:30px}
    .button-row{display:flex;flex-wrap:wrap;gap:12px}
    .btn{min-height:48px}
    .btn-primary{background:var(--orange);color:#25121b}
    .btn-secondary{border:1px solid #76516d;color:#f1e6ed;background:transparent}
    .btn-secondary:hover{border-color:var(--orange);color:var(--orange2);transform:translateY(-2px)}
    .crumbs{margin-top:30px;color:#8d7b91;font-size:13px}
    .crumbs a{color:var(--orange2)}
    .section{padding:92px 0}
    .section-light{background:var(--cream);color:var(--dark)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.03em;margin:8px 0 0}
    .section-head p{max-width:460px;color:#80717e;font-size:15px;margin-bottom:0}
    .section-dark .section-head p{color:var(--muted)}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:start}
    .intro-copy{font-size:18px;color:#665764;line-height:1.95}
    .note-box{padding:26px 28px;background:#fffaf6;border:1px solid #e1d3d0;border-radius:var(--radius);box-shadow:0 12px 30px rgba(53,29,43,.07)}
    .note-box h3{font-size:20px;margin-bottom:10px}
    .note-box p{font-size:14px;color:#766876;margin-bottom:0}
    .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .step-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.25s}
    .step-card:hover,.device-card:hover,.tip-card:hover{transform:translateY(-4px);border-color:#a35d61;box-shadow:var(--shadow)}
    .step-number{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--orange);border-radius:9px;color:var(--orange2);font-weight:800;margin-bottom:22px}
    .step-card h3{font-size:18px;margin-bottom:9px}
    .step-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .download-panel{background:#21152a;position:relative;overflow:hidden}
    .download-panel:before{content:"";position:absolute;width:440px;height:440px;right:-80px;top:-170px;border:1px solid rgba(201,240,91,.25);border-radius:50%}
    .download-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;position:relative;z-index:1}
    .download-grid h2{font-size:35px;line-height:1.3;margin:8px 0 16px}
    .download-grid p{color:var(--muted);max-width:520px}
    .download-list{list-style:none;padding:0;margin:24px 0 30px;display:grid;gap:10px;color:#e8dce7}
    .download-list li:before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;margin-right:10px;color:#241621;background:var(--lime);border-radius:50%;font-size:12px;font-weight:800}
    .download-note{font-size:12px;color:#8e7b91;margin-top:14px}
    .device-stage{height:335px;border:1px solid #63435c;border-radius:20px;background:#2d1c38;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
    .device-stage:before{content:"";position:absolute;inset:22px;background:repeating-linear-gradient(0deg,transparent 0 9px,rgba(255,255,255,.025) 10px)}
    .device{width:166px;height:280px;border:7px solid #120d18;border-radius:25px;background:#f5eee8;box-shadow:0 20px 35px rgba(0,0,0,.35);padding:13px;position:relative;z-index:1;transform:rotate(-5deg)}
    .device:before{content:"";display:block;width:42px;height:5px;border-radius:5px;background:#34233b;margin:0 auto 18px}
    .device-screen{height:192px;border-radius:11px;background:#382142;padding:15px;color:#fff}
    .device-screen strong{display:block;color:var(--lime);font-size:17px;line-height:1.3;margin-bottom:17px}
    .screen-line{height:8px;background:#754c76;border-radius:4px;margin:10px 0}
    .screen-line.short{width:60%}
    .screen-button{height:28px;background:var(--orange);border-radius:6px;margin-top:22px}
    .device-caption{position:absolute;right:23px;bottom:20px;color:var(--lime);font-size:12px;letter-spacing:.12em}
    .devices{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .device-card{background:#fffaf6;border:1px solid #ded0d0;border-radius:var(--radius);padding:25px;transition:.25s}
    .device-icon{font-size:27px;color:var(--orange);margin-bottom:15px}
    .device-card h3{font-size:19px;margin-bottom:8px}
    .device-card p{font-size:14px;color:#766876;margin-bottom:0}
    .tips-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:start}
    .tips-layout h2{font-size:32px;line-height:1.3}
    .tips-layout>div>p{color:var(--muted)}
    .tip-list{display:grid;gap:12px}
    .tip-card{display:flex;gap:18px;align-items:flex-start;padding:21px 23px;background:var(--panel);border:1px solid var(--line);border-radius:13px;transition:.25s}
    .tip-card b{color:var(--orange2);font-size:14px;min-width:78px}
    .tip-card span{color:#e4d8e3;font-size:14px}
    .faq{background:#f0e8e4;color:var(--dark)}
    .faq-list{max-width:900px;margin:auto;border-top:1px solid #d2c1c6}
    .faq-item{border-bottom:1px solid #d2c1c6}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;background:none;color:var(--dark);padding:21px 0;font-weight:700;font-size:17px}
    .faq-question span:last-child{color:#c4574d;font-size:22px;transition:.2s}
    .faq-answer{max-height:0;overflow:hidden;color:#766876;font-size:15px;transition:max-height .3s ease}
    .faq-answer p{padding:0 42px 20px 0;margin:0}
    .faq-item.open .faq-answer{max-height:160px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:72px 0;background:var(--orange);color:#28151d}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:32px;line-height:1.3;margin-bottom:8px}
    .cta p{margin-bottom:0;color:#633b3e}
    .cta .btn-primary{background:#28151d;color:#fff}
    .cta .btn-primary:hover{background:#422432}
    .footer{background:#120c18;border-top:1px solid #39243f;padding:45px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:70px}
    .footer-brand p{color:#9d8b9f;font-size:13px;max-width:340px;margin:18px 0 0}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
    .footer-links h4{font-size:14px;color:#fff;margin:4px 0 13px}
    .footer-links a{display:block;color:#9d8b9f;font-size:13px;margin:8px 0;transition:.2s}
    .footer-links a:hover{color:var(--orange2);padding-left:3px}
    .copyright{border-top:1px solid #302035;margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#76677b;font-size:12px}
    @media(max-width:1050px){
      .nav{gap:14px}
      .nav a{font-size:13px}
      .header-action{display:none}
      .step-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .site-header{height:70px}
      .nav{display:none;position:absolute;top:70px;left:0;right:0;background:#191120;border-bottom:1px solid var(--line);padding:10px 18px 18px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}
      .nav.open{display:flex}
      .nav a{padding:12px 10px;border-bottom:1px solid rgba(255,255,255,.06)}
      .nav a.active:after{left:auto;right:10px;top:17px;bottom:auto;width:4px;height:19px}
      .menu-toggle{display:block}
      .page-hero{padding:70px 0 65px}
      h1{font-size:38px}
      .section{padding:70px 0}
      .section-head,.cta-inner{display:block}
      .section-head p{margin-top:18px}
      .intro-grid,.download-grid,.tips-layout{grid-template-columns:1fr;gap:35px}
      .download-grid{gap:42px}
      .devices{grid-template-columns:1fr}
      .device-card{display:flex;gap:18px;align-items:flex-start}
      .device-icon{margin:0}
      .footer-grid{grid-template-columns:1fr;gap:35px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
      .cta .button-row{margin-top:25px}
    }
    @media(max-width:480px){
      .container{width:calc(100% - 32px)}
      .logo strong{font-size:15px}
      .logo small{font-size:9px}
      h1{font-size:32px}
      .hero-copy{font-size:15px}
      .button-row{flex-direction:column;align-items:stretch}
      .button-row .btn{width:100%}
      .step-grid{grid-template-columns:1fr}
      .step-card{padding:22px 20px}
      .section-head h2,.download-grid h2,.tips-layout h2{font-size:27px}
      .device-stage{height:300px}
      .footer-links{grid-template-columns:1fr 1fr}
      .footer-links>div:last-child{grid-column:1/-1}
    }

/* roulang page: category5 */
:root{
      --ink:#f8f3f5;--muted:#b7aab9;--bg:#17101f;--bg2:#21152a;
      --panel:#281a31;--panel2:#302039;--line:#49334f;--orange:#ff704c;
      --orange2:#ff9365;--lime:#c9f05b;--purple:#8e62d9;--cream:#f5eee8;
      --dark:#221827;--shadow:0 18px 50px rgba(4,2,8,.35);--radius:16px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"思源黑体","Noto Sans SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;border-bottom:1px solid rgba(255,255,255,.08);background:#191120;position:relative;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:12px;font-weight:800;white-space:nowrap;letter-spacing:.01em}
    .logo-mark{width:34px;height:34px;border:2px solid var(--orange);border-radius:9px;position:relative;transform:rotate(8deg);flex:none}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime)}
    .logo-mark:before{width:13px;height:3px;left:8px;top:9px}
    .logo-mark:after{width:7px;height:3px;left:8px;top:17px}
    .logo small{display:block;color:var(--muted);font-size:10px;font-weight:500;line-height:1}
    .logo strong{font-size:17px}
    .nav{display:flex;align-items:center;gap:23px}
    .nav a{font-size:14px;color:#d6cbd7;position:relative;padding:27px 0 24px;white-space:nowrap}
    .nav a:hover,.nav a.active{color:#fff}
    .nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--orange);border-radius:3px}
    .header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:10px;padding:12px 18px;font-weight:700;transition:.25s ease}
    .header-action{background:var(--orange);color:#24121c;font-size:13px}
    .header-action:hover,.btn-primary:hover{background:var(--orange2);transform:translateY(-2px);box-shadow:0 8px 22px rgba(255,112,76,.22)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px;padding:8px}
    .page-hero{position:relative;overflow:hidden;padding:92px 0 105px;background:#17101f}
    .page-hero:before{content:"";position:absolute;width:500px;height:500px;right:-130px;top:-210px;border:1px solid rgba(255,112,76,.26);border-radius:50%;box-shadow:0 0 0 30px rgba(142,98,217,.06),0 0 0 65px rgba(255,112,76,.04)}
    .page-hero:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 74px,rgba(255,255,255,.018) 75px),repeating-linear-gradient(0deg,transparent 0 74px,rgba(255,255,255,.014) 75px);pointer-events:none}
    .hero-inner{position:relative;z-index:1;max-width:850px}
    .eyebrow,.section-kicker{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
    .eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:20px}
    .eyebrow:before{content:"";width:30px;height:2px;background:var(--orange)}
    h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.03em}
    h1{font-size:clamp(36px,5vw,60px);line-height:1.18;max-width:780px}
    .hero-copy{color:var(--muted);font-size:17px;max-width:720px;margin:24px 0 30px}
    .btn{min-height:48px}
    .btn-primary{background:var(--orange);color:#25121b}
    .btn-secondary{border:1px solid #76516d;color:#f1e6ed;background:transparent}
    .btn-secondary:hover{border-color:var(--orange);color:var(--orange2);transform:translateY(-2px)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .crumb{margin-top:35px;color:#927f91;font-size:13px}
    .crumb a{color:var(--orange2)}
    .section{padding:92px 0}
    .section-light{background:var(--cream);color:var(--dark)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:34px;line-height:1.25;margin-top:8px}
    .section-head p{max-width:470px;color:#80717e;font-size:15px;margin:0}
    .help-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:start}
    .help-intro{font-size:17px;color:#685a68;max-width:580px}
    .help-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
    .point{padding:20px;background:#fffaf7;border:1px solid #dfd0d0;border-radius:12px}
    .point b{display:block;font-size:18px;margin-bottom:4px}
    .point span{font-size:14px;color:#80717e}
    .route-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
    .route-card h3{font-size:21px;margin-bottom:22px}
    .route-step{display:flex;gap:16px;padding:17px 0;border-bottom:1px solid var(--line)}
    .route-step:last-child{border-bottom:0;padding-bottom:0}
    .step-no{width:30px;height:30px;display:grid;place-items:center;background:var(--orange);color:#28151d;border-radius:8px;font-weight:800;flex:none}
    .route-step strong{display:block;color:#fff}
    .route-step span{display:block;color:var(--muted);font-size:14px;margin-top:2px}
    .faq{background:#f0e8e4;color:var(--dark)}
    .faq-list{max-width:930px;margin:auto;border-top:1px solid #d2c1c6}
    details{border-bottom:1px solid #d2c1c6}
    summary{list-style:none;cursor:pointer;padding:22px 48px 22px 0;font-size:18px;font-weight:800;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";position:absolute;right:5px;top:18px;color:#e65f43;font-size:25px;font-weight:400}
    details[open] summary:after{content:"－"}
    details p{color:#756877;max-width:760px;padding:0 0 23px;margin:0;font-size:15px}
    .notice-band{padding:64px 0;background:#21152a}
    .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .notice{border-left:3px solid var(--orange);padding:4px 0 4px 20px}
    .notice h3{font-size:19px;margin-bottom:5px}
    .notice p{color:var(--muted);font-size:14px;margin:0}
    .cta{padding:76px 0;background:var(--orange);color:#28151d}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:32px;line-height:1.3}
    .cta p{margin:8px 0 0;color:#633b3e}
    .cta .btn-primary{background:#28151d;color:#fff}
    .cta .btn-primary:hover{background:#422432}
    .footer{background:#120c18;border-top:1px solid #39243f;padding:45px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:70px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:350px;margin:18px 0 0}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
    .footer-links h4{font-size:14px;color:#fff;margin-bottom:14px}
    .footer-links a{display:block;color:var(--muted);font-size:13px;margin:8px 0;transition:.2s}
    .footer-links a:hover{color:var(--orange2);transform:translateX(3px)}
    .copyright{border-top:1px solid #302038;margin-top:35px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#766579;font-size:12px}
    :focus-visible{outline:3px solid var(--lime);outline-offset:4px}
    @media(max-width:1100px){
      .nav{gap:14px}.header-action{display:none}
    }
    @media(max-width:900px){
      .nav{display:none;position:absolute;top:78px;left:0;right:0;background:#191120;padding:18px 24px 24px;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
      .nav.open{display:flex}
      .nav a{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.07)}
      .nav a.active:after{left:auto;right:0;top:16px;bottom:auto;width:4px;height:22px}
      .menu-toggle{display:block}
      .help-layout{grid-template-columns:1fr;gap:38px}
    }
    @media(max-width:700px){
      .container{width:min(100% - 36px,var(--container))}
      .page-hero{padding:72px 0 78px}
      .section{padding:70px 0}
      .section-head{display:block;margin-bottom:28px}
      .section-head p{margin-top:14px}
      h1{font-size:36px}
      .help-points,.notice-grid{grid-template-columns:1fr}
      .cta-inner{display:block}
      .cta .btn{margin-top:24px;width:100%}
      .footer-grid{grid-template-columns:1fr;gap:35px}
      .copyright{display:block}.copyright span{display:block;margin-top:5px}
    }
    @media(max-width:480px){
      .container{width:calc(100% - 32px)}
      .logo strong{font-size:15px}.logo-mark{width:30px;height:30px}
      .hero-actions .btn{width:100%}
      h1{font-size:31px}
      summary{font-size:16px}
      .footer-links{grid-template-columns:1fr 1fr}
      .footer-links>div:last-child{grid-column:1/-1}
    }

/* 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}