/* roulang page: index */
:root{
      --ink:#17182d;
      --muted:#70738b;
      --paper:#fbfaff;
      --surface:#ffffff;
      --line:#e9e7f2;
      --violet:#6d4aff;
      --violet-dark:#4b2bd4;
      --coral:#ff725e;
      --mint:#dff8ee;
      --lavender:#eee9ff;
      --shadow:0 18px 50px rgba(44,29,104,.12);
      --soft-shadow:0 8px 24px rgba(35,24,90,.08);
      --radius-xl:32px;
      --radius-lg:22px;
      --radius-md:15px;
      --container:1180px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      line-height:1.75;
      font-size:16px;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--violet)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(109,74,255,.3);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(251,250,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(233,231,242,.8);
    }
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:26px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{
      width:38px;height:38px;border-radius:13px;
      background:linear-gradient(135deg,var(--violet),var(--coral));
      display:grid;place-items:center;color:#fff;font-size:19px;
      box-shadow:0 8px 18px rgba(109,74,255,.25)
    }
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{padding:9px 15px;border-radius:999px;color:#5d6076;font-weight:600}
    .nav-links a:hover,.nav-links a.active{background:var(--lavender);color:var(--violet-dark)}
    .nav-cta,.button-primary{
      background:var(--violet);color:#fff!important;border:0;border-radius:999px;
      padding:12px 20px;font-weight:750;box-shadow:0 8px 18px rgba(109,74,255,.22)
    }
    .nav-cta:hover,.button-primary:hover{background:var(--violet-dark);transform:translateY(-2px)}
    .mobile-toggle{display:none;border:0;background:var(--lavender);color:var(--violet-dark);border-radius:12px;padding:8px 12px}
    .hero{padding:70px 0 52px;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:center}
    .eyebrow,.badge{
      display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border-radius:999px;
      background:var(--mint);color:#247e67;font-weight:750;font-size:13px
    }
    .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:#35bd93}
    h1,h2,h3{margin:0 0 16px;line-height:1.2;letter-spacing:-.045em}
    h1{font-size:clamp(38px,5vw,68px);max-width:720px}
    h2{font-size:clamp(28px,3.4vw,44px)}
    h3{font-size:21px}
    .hero-copy{font-size:19px;color:var(--muted);max-width:670px;margin:0 0 28px}
    .action-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
    .button-secondary{
      display:inline-flex;align-items:center;justify-content:center;
      padding:11px 19px;border:1px solid var(--line);border-radius:999px;
      color:var(--ink);font-weight:700;background:#fff
    }
    .button-secondary:hover{border-color:var(--violet);box-shadow:var(--soft-shadow);transform:translateY(-2px)}
    .hero-panel{
      position:relative;background:#20194b;color:#fff;border-radius:var(--radius-xl);
      padding:28px;min-height:350px;overflow:hidden;box-shadow:var(--shadow)
    }
    .hero-panel::after{content:"";position:absolute;width:230px;height:230px;border-radius:50%;right:-70px;top:-70px;background:rgba(255,114,94,.75);filter:blur(2px)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}
    .panel-label{color:#c9c2f7;font-size:13px}.panel-status{background:#fff;color:var(--violet-dark);padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}
    .panel-title{font-size:30px;font-weight:800;line-height:1.25;margin:58px 0 25px;max-width:320px;position:relative;z-index:1}
    .progress{height:10px;background:rgba(255,255,255,.15);border-radius:20px;overflow:hidden;position:relative;z-index:1}
    .progress span{display:block;width:78%;height:100%;background:linear-gradient(90deg,#9c89ff,#ff927f);border-radius:20px}
    .panel-foot{display:flex;justify-content:space-between;color:#d4cef4;font-size:13px;margin-top:12px;position:relative;z-index:1}
    .metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:42px}
    .metric{padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--soft-shadow)}
    .metric strong{display:block;font-size:25px;color:var(--violet-dark);line-height:1.2}.metric span{color:var(--muted);font-size:13px}
    section{padding:72px 0}
    .section-head{max-width:700px;margin-bottom:30px}
    .section-head p{color:var(--muted);margin:0;font-size:17px}
    .story{background:#f1eeff}
    .story-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
    .story-quote{font-size:29px;font-weight:800;line-height:1.4;color:var(--violet-dark)}
    .story-text{color:#5e6176;font-size:17px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:25px;min-height:225px;transition:.3s;box-shadow:0 4px 16px rgba(35,24,90,.03)}
    .feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#d8d0ff}
    .icon{width:44px;height:44px;border-radius:14px;background:var(--lavender);color:var(--violet-dark);display:grid;place-items:center;font-weight:900;font-size:20px;margin-bottom:22px}
    .feature-card p,.quote-card p,.guide-list p{color:var(--muted);margin:0}
    .reward-section{background:#171432;color:#fff}
    .reward-grid{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
    .reward-section .section-head p{color:#bdb8d5}
    .reward-box{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .reward-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:20px}
    .reward-card strong{font-size:28px;color:#ffad9d;display:block}.reward-card span{color:#c9c4dd;font-size:14px}
    .guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .guide-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px}
    .guide-item{display:flex;gap:15px;padding:14px 0;border-bottom:1px solid var(--line)}
    .guide-item:last-child{border-bottom:0}
    .step{width:30px;height:30px;flex:0 0 30px;border-radius:50%;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:800}
    .guide-item h3{font-size:17px;margin:0 0 4px}.guide-item p{font-size:14px}
    .voices{background:#fff5f2}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote-card{background:#fff;border-radius:var(--radius-lg);padding:24px;border:1px solid #ffe0d9}
    .quote-card p{font-size:16px;margin-bottom:20px}.quote-card strong{font-size:14px}
    .news-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
    .news-list,.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:12px 24px}
    .news-item{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}.news-item a{font-weight:700}.news-item time{color:#999aae;font-size:13px;white-space:nowrap}
    .news-side{background:linear-gradient(145deg,#6d4aff,#9177ff);color:#fff;padding:28px}
    .news-side p{color:#e5e0ff}.news-side .button-secondary{background:#fff;border:0;color:var(--violet-dark)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px}
    summary{cursor:pointer;font-weight:800;padding-right:15px}details p{color:var(--muted);margin:14px 0 0;font-size:15px}
    .subscribe{padding:45px 0}.subscribe-box{background:linear-gradient(110deg,#ede8ff,#fff);border:1px solid #ddd5ff;border-radius:var(--radius-xl);padding:38px;display:flex;justify-content:space-between;gap:28px;align-items:center}
    .subscribe-box p{color:var(--muted);margin:0;max-width:650px}.subscribe-form{display:flex;gap:8px;min-width:340px}.subscribe-form input{border:1px solid var(--line);border-radius:999px;padding:12px 16px;min-width:0;flex:1;background:#fff}
    .site-footer{background:#171432;color:#c5c0db;padding:43px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{color:#fff}.footer-note{max-width:470px;font-size:14px}.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:14px}.footer-links a:hover{color:#fff}.copyright{font-size:13px;padding-top:20px;color:#8f89aa}
    @media(max-width:900px){.hero-grid,.story-grid,.reward-grid{grid-template-columns:1fr}.hero-panel{max-width:650px}.feature-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}.news-grid{grid-template-columns:1fr}.subscribe-box{display:block}.subscribe-form{margin-top:22px}}
    @media(max-width:680px){.container{width:min(100% - 28px,var(--container))}.nav-wrap{height:68px}.mobile-toggle{display:block}.nav-links{display:none;position:absolute;left:14px;right:14px;top:75px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{display:block}.nav-cta{display:none}.hero{padding-top:43px}.hero-copy{font-size:17px}.metrics,.feature-grid,.quote-grid,.guide-grid,.faq-grid{grid-template-columns:1fr}.hero-panel{padding:23px;min-height:315px}.panel-title{font-size:26px;margin-top:48px}.story-quote{font-size:25px}.news-list,.news-side{padding:18px}.news-item{display:block}.news-item time{display:block;margin-top:5px}.subscribe-box{padding:26px 21px}.subscribe-form{min-width:0;display:block}.subscribe-form input,.subscribe-form button{width:100%;margin-bottom:9px}.footer-top{display:block}.footer-links{margin-top:20px}}

/* roulang page: category1 */
:root{
      --ink:#17182d;
      --muted:#70738b;
      --paper:#fbfaff;
      --surface:#fff;
      --line:#e9e7f2;
      --violet:#6d4aff;
      --violet-dark:#4b2bd4;
      --coral:#ff725e;
      --mint:#dff8ee;
      --lavender:#eee9ff;
      --shadow:0 18px 50px rgba(44,29,104,.12);
      --soft-shadow:0 8px 24px rgba(35,24,90,.08);
      --radius-xl:32px;
      --radius-lg:22px;
      --radius-md:15px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--ink);background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;line-height:1.75
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--violet)}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(109,74,255,.3);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;background:rgba(251,250,255,.9);
      backdrop-filter:blur(18px);border-bottom:1px solid rgba(233,231,242,.8)
    }
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:26px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{
      width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--violet),var(--coral));
      display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:0 8px 18px rgba(109,74,255,.25)
    }
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{padding:9px 15px;border-radius:999px;color:#5d6076;font-weight:600}
    .nav-links a:hover,.nav-links a.active{background:var(--lavender);color:var(--violet-dark)}
    .nav-cta,.button-primary{
      background:var(--violet);color:#fff!important;border:0;border-radius:999px;padding:12px 20px;
      font-weight:750;box-shadow:0 8px 18px rgba(109,74,255,.22);display:inline-flex;align-items:center;justify-content:center
    }
    .nav-cta:hover,.button-primary:hover{background:var(--violet-dark);transform:translateY(-2px)}
    .mobile-toggle{display:none;border:0;background:var(--lavender);color:var(--violet-dark);border-radius:12px;padding:8px 12px}
    .hero{padding:72px 0 54px}
    .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}
    .eyebrow,.badge{
      display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border-radius:999px;
      background:var(--mint);color:#247e67;font-weight:750;font-size:13px
    }
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:#35bd93}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-.055em;margin:20px 0 22px}
    h2{font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-.04em;margin:0 0 12px}
    h3{line-height:1.35}
    .hero-copy{font-size:19px;color:var(--muted);max-width:680px;margin:0 0 28px}
    .action-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
    .button-secondary{
      display:inline-flex;align-items:center;justify-content:center;padding:11px 19px;
      border:1px solid var(--line);border-radius:999px;color:var(--ink);font-weight:700;background:#fff
    }
    .button-secondary:hover{border-color:var(--violet);box-shadow:var(--soft-shadow);transform:translateY(-2px)}
    .hero-panel{
      position:relative;background:#20194b;color:#fff;border-radius:var(--radius-xl);padding:30px;
      min-height:360px;overflow:hidden;box-shadow:var(--shadow)
    }
    .hero-panel:before{content:"";position:absolute;width:290px;height:290px;right:-100px;top:-90px;border-radius:50%;background:rgba(255,114,94,.75)}
    .hero-panel:after{content:"";position:absolute;width:160px;height:160px;left:-70px;bottom:-80px;border-radius:50%;background:rgba(109,74,255,.8)}
    .panel-content{position:relative;z-index:1}
    .panel-title{font-size:31px;font-weight:800;line-height:1.28;margin:64px 0 25px;max-width:360px}
    .status-row{display:flex;gap:10px;flex-wrap:wrap}
    .status{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);padding:9px 13px;border-radius:13px;font-size:14px}
    section{padding:72px 0}
    .section-head{max-width:710px;margin-bottom:30px}
    .section-head p{color:var(--muted);margin:0;font-size:17px}
    .split-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:45px;align-items:start}
    .feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .feature-card,.guide-list,.faq-item,.proof-card{
      background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:0 4px 16px rgba(35,24,90,.03)
    }
    .feature-card{padding:25px;min-height:205px;transition:.3s}
    .feature-card:hover,.proof-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d8d0ff}
    .icon{width:42px;height:42px;border-radius:14px;background:var(--lavender);color:var(--violet-dark);display:grid;place-items:center;font-weight:800;margin-bottom:18px}
    .feature-card h3{font-size:19px;margin:0 0 8px}
    .feature-card p,.proof-card p{color:var(--muted);margin:0}
    .dark-section{background:#171432;color:#fff}
    .dark-section .section-head p{color:#bdb8d5}
    .metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .metric{padding:22px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13)}
    .metric strong{display:block;color:#ffad9d;font-size:32px;line-height:1.2}
    .metric span{color:#c9c4dd;font-size:14px}
    .guide-list{padding:12px 25px}
    .guide-item{display:flex;gap:16px;padding:19px 0;border-bottom:1px solid var(--line)}
    .guide-item:last-child{border-bottom:0}
    .step{flex:0 0 34px;height:34px;border-radius:50%;background:var(--violet);color:#fff;text-align:center;line-height:34px;font-weight:800}
    .guide-item h3{font-size:18px;margin:0 0 4px}
    .guide-item p{font-size:14px;color:var(--muted);margin:0}
    .proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .proof-card{padding:24px;transition:.3s}
    .proof-card strong{display:block;font-size:17px;margin-bottom:8px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{padding:22px 24px}
    .faq-item h3{font-size:17px;margin:0 0 8px}
    .faq-item p{color:var(--muted);font-size:14px;margin:0}
    .cta{
      background:linear-gradient(135deg,#eee9ff,#fff3ef);border:1px solid #e0d9ff;border-radius:var(--radius-xl);
      padding:42px;display:flex;justify-content:space-between;align-items:center;gap:25px
    }
    .cta p{color:var(--muted);margin:7px 0 0}
    .site-footer{background:#171432;color:#c5c0db;padding:43px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{color:#fff}
    .footer-note{max-width:470px;font-size:14px}
    .footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:14px}
    .footer-links a:hover{color:#fff}
    .copyright{font-size:13px;padding-top:20px;color:#9892b2}
    @media(max-width:1024px){
      .hero-grid{gap:30px}.hero-panel{min-height:330px}.split-grid{gap:25px}
    }
    @media(max-width:768px){
      .nav-wrap{height:68px}.mobile-toggle{display:block}.nav-links{display:none;position:absolute;left:20px;right:20px;top:75px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{text-align:center}
      .hero{padding-top:48px}.hero-grid,.split-grid{grid-template-columns:1fr}
      .feature-grid,.proof-grid,.faq-grid{grid-template-columns:1fr 1fr}
      .metric-row{grid-template-columns:repeat(3,1fr)}
      .cta{align-items:flex-start;flex-direction:column;padding:30px}
    }
    @media(max-width:520px){
      .container{width:min(var(--container),calc(100% - 28px))}
      h1{font-size:39px}.hero-copy{font-size:17px}.hero-panel{padding:23px}.panel-title{font-size:27px;margin-top:55px}
      section{padding:52px 0}.feature-grid,.proof-grid,.faq-grid,.metric-row{grid-template-columns:1fr}
      .footer-top{flex-direction:column}.footer-links{gap:12px}.action-row a{width:100%}
    }