/* roulang page: index */
:root{
  --plum:#44234f;
  --plum-deep:#301638;
  --plum-soft:#eee6f0;
  --lime:#c7e86b;
  --coral:#f28b62;
  --paper:#f6f3ed;
  --white:#fffdfa;
  --ink:#29242d;
  --muted:#756d78;
  --line:#e4dde2;
  --radius:18px;
  --shadow:0 14px 36px rgba(68,35,79,.09);
  --container:1200px;
  --ease:all .28s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--ink);line-height:1.78;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.section{padding:92px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:38px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--plum);font-size:13px;font-weight:750;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
.eyebrow:before{content:"";width:22px;height:3px;background:var(--coral);border-radius:3px}
h1,h2,h3{color:var(--plum-deep);line-height:1.25;letter-spacing:-.025em}
h1{font-size:clamp(42px,5.5vw,76px);font-weight:800}
h2{font-size:clamp(29px,3.5vw,45px);font-weight:800}
h3{font-size:21px;font-weight:750}
.section-head p{max-width:500px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:10px;font-weight:750;transition:var(--ease);border:1px solid transparent}
.btn-primary{background:var(--plum);color:#fff}
.btn-primary:hover{background:var(--plum-deep);transform:translateY(-2px);box-shadow:0 8px 18px rgba(68,35,79,.2)}
.btn-secondary{border-color:var(--plum);color:var(--plum);background:transparent}
.btn-secondary:hover{background:var(--plum-soft);transform:translateY(-2px)}
.btn-lime{background:var(--lime);color:var(--plum-deep)}
.btn-lime:hover{background:#d8f58a;transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,button:focus-visible{outline:3px solid rgba(242,139,98,.55);outline-offset:3px}
.tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--plum-soft);color:var(--plum);font-size:12px;font-weight:700}
.tag.lime{background:var(--lime)}
.tag.coral{background:#fde1d6;color:#a95234}
.site-header{position:sticky;top:0;z-index:20;background:rgba(246,243,237,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,221,226,.8)}
.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;min-width:235px}
.brand-mark{width:39px;height:39px;border-radius:11px;background:var(--plum);position:relative;overflow:hidden}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:5px;transform:rotate(35deg)}
.brand-mark:before{width:12px;height:44px;left:10px;top:-4px}
.brand-mark:after{width:8px;height:30px;right:8px;bottom:-3px;background:var(--coral)}
.brand strong{display:block;color:var(--plum-deep);font-size:19px;line-height:1.1}
.brand small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:7px}
.nav-links a{padding:9px 13px;color:var(--muted);font-weight:650;font-size:14px;border-bottom:3px solid transparent;transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--plum);border-bottom-color:var(--lime)}
.menu-toggle{display:none;background:none;color:var(--plum);font-size:26px}
.hero{padding:86px 0 78px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:74px}
.hero-copy h1{max-width:690px;margin-bottom:22px}
.hero-copy h1 em{font-style:normal;color:var(--plum)}
.hero-copy p{max-width:590px;color:var(--muted);font-size:18px;margin-bottom:29px}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-bottom:27px}
.keyword-row{display:flex;gap:8px;flex-wrap:wrap}
.hero-art{min-height:410px;position:relative}
.art-board{position:absolute;inset:15px 12px 20px 35px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:19px;transform:rotate(2deg)}
.art-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:17px}
.dots{display:flex;gap:5px}.dots i{display:block;width:8px;height:8px;border-radius:50%;background:var(--coral)}.dots i:nth-child(2){background:var(--lime)}.dots i:nth-child(3){background:#d8c9dd}
.art-label{font-size:12px;color:var(--muted)}
.screen-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:12px;height:285px}
.screen-main{border-radius:15px;background:var(--plum);padding:18px;color:white;position:relative;overflow:hidden}
.screen-main:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:var(--lime);opacity:.18;right:-45px;bottom:-55px}
.screen-main h3{color:white;font-size:24px;margin-top:60px;position:relative;z-index:1}
.screen-main p{font-size:12px;color:#e4d8e7;position:relative;z-index:1}
.screen-side{display:grid;gap:12px}
.mini-screen{border-radius:15px;background:var(--plum-soft);padding:14px;position:relative;overflow:hidden}
.mini-screen:first-child{background:#fbe1d6}
.mini-screen b{font-size:13px;color:var(--plum-deep)}
.mini-bar{height:7px;border-radius:5px;background:var(--plum);opacity:.8;margin-top:24px;width:65%}
.float-note{position:absolute;left:0;bottom:20px;background:var(--lime);color:var(--plum-deep);padding:15px 19px;border-radius:14px;box-shadow:var(--shadow);font-weight:800;transform:rotate(-4deg)}
.float-note small{display:block;font-size:11px;font-weight:600}
.quick-links{padding:19px 0;background:var(--plum);color:#fff}
.quick-inner{display:flex;align-items:center;gap:18px;overflow:auto}
.quick-inner strong{white-space:nowrap;color:var(--lime);font-size:14px}
.quick-inner a{white-space:nowrap;padding:8px 14px;border:1px solid rgba(255,255,255,.24);border-radius:8px;color:#f8f1f8;font-size:14px;transition:var(--ease)}
.quick-inner a:hover{background:var(--lime);color:var(--plum-deep);border-color:var(--lime)}
.interface-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:25px}
.interface-main,.interface-small{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 22px rgba(68,35,79,.04)}
.interface-main{min-height:280px;display:flex;align-items:end;background:linear-gradient(140deg,#fffdfa 52%,#efe5f0 52%)}
.interface-main p{max-width:410px;color:var(--muted)}
.interface-side{display:grid;gap:25px}
.interface-small{display:flex;gap:18px;align-items:center}
.feature-icon{width:49px;height:49px;display:grid;place-items:center;border-radius:13px;background:var(--lime);color:var(--plum-deep);font-size:22px;font-weight:800;flex:none}
.interface-small:nth-child(2) .feature-icon{background:#fbe0d4}
.experience{background:#eee7ee}
.experience-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #cfc1d2}
.step{padding:27px 25px 10px 0;border-right:1px solid #cfc1d2;margin-right:25px;position:relative}
.step:last-child{border-right:0}
.step-num{font-size:42px;font-weight:800;color:var(--plum);line-height:1;margin-bottom:18px}
.step p{color:var(--muted);font-size:14px;margin-top:8px}
.showcase{display:grid;grid-template-columns:1.35fr .65fr;gap:24px}
.showcase-main,.showcase-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}
.showcase-main{min-height:270px;display:flex;flex-direction:column;justify-content:space-between;background:var(--plum);color:white}
.showcase-main h3{color:white;font-size:30px;max-width:370px}.showcase-main p{color:#e4d8e7;max-width:420px}
.showcase-side{display:grid;gap:24px}.showcase-card{display:flex;flex-direction:column;justify-content:space-between;min-height:123px}.showcase-card p{color:var(--muted);font-size:14px;margin-top:10px}
.guide-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px;align-items:start}
.guide-intro p{color:var(--muted);margin:18px 0 24px}
.guide-list{border-top:1px solid var(--line)}
.guide-item{display:grid;grid-template-columns:125px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}
.guide-item strong{color:var(--plum);font-size:14px}.guide-item p{color:var(--muted);font-size:14px}
.download{background:var(--plum-deep);color:#fff;padding:76px 0;overflow:hidden}
.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.download h2{color:#fff}.download p{color:#d9cbdc;margin:16px 0 24px;max-width:530px}
.download-meta{display:flex;gap:13px;flex-wrap:wrap;margin-top:20px;color:#cdbbd1;font-size:13px}
.app-card{background:#51305b;border:1px solid rgba(255,255,255,.16);border-radius:22px;padding:26px;min-height:245px;position:relative}
.app-device{width:160px;height:235px;border:7px solid #fff;border-radius:27px;background:linear-gradient(160deg,#c7e86b,#f28b62);margin:0 auto;box-shadow:22px 17px 0 rgba(199,232,107,.15);padding:18px}
.app-device div{height:10px;background:rgba(68,35,79,.7);border-radius:4px;margin-bottom:12px}.app-device div:nth-child(2){height:80px;background:rgba(255,255,255,.64)}
.news-section{background:var(--white)}
.news-layout{display:grid;grid-template-columns:180px 1fr;gap:35px}
.news-intro{border-right:1px solid var(--line)}.news-intro strong{display:block;font-size:48px;color:var(--plum);line-height:1}.news-intro p{color:var(--muted);font-size:14px;margin-top:12px}
.news-list{display:grid;gap:0}
.news-item{display:grid;grid-template-columns:110px 1fr auto;gap:22px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
.news-item time{font-size:13px;color:var(--muted)}.news-item h3{font-size:18px}.news-item p{font-size:13px;color:var(--muted);margin-top:3px}.news-item .read{color:var(--plum);font-weight:750;font-size:13px;white-space:nowrap}.news-item:hover h3{color:var(--coral)}
.version-strip{display:grid;grid-template-columns:180px 1fr auto;gap:28px;align-items:center;background:var(--lime);border-radius:var(--radius);padding:29px 35px}
.version-strip strong{font-size:25px;color:var(--plum-deep)}.version-strip p{color:#4b4b31;font-size:14px}.version-strip a{color:var(--plum);font-weight:800}
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}.faq-intro p{color:var(--muted);margin-top:16px}.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;padding:19px 0;color:var(--plum-deep);font-weight:750}.faq-q span{font-size:24px;color:var(--coral);transition:var(--ease)}.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 19px 0}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
.safety{background:#ece9df}.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.safety-box{padding:28px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}.safety-box h3{margin-bottom:10px}.safety-box p{color:var(--muted);font-size:14px}.safety-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}.safety-points div{padding:14px;background:#f7f3e9;border-left:3px solid var(--coral);font-size:13px}
.editorial{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.lead-story,.small-story{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px}.lead-story{background:#e9ddec;min-height:260px;display:flex;flex-direction:column;justify-content:space-between}.lead-story p,.small-story p{color:var(--muted);font-size:14px;margin-top:10px}.story-meta{color:var(--plum);font-size:12px;font-weight:750}.small-stories{display:grid;gap:14px}.small-story{padding:18px}.small-story h3{font-size:17px}
.cta{padding:70px 0}.cta-inner{background:var(--plum);border-radius:22px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{color:#fff;font-size:34px}.cta p{color:#ddcfe0;margin-top:8px}
.site-footer{background:#291d2d;color:#d7cad9;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}.footer-brand strong{font-size:21px;color:#fff}.footer-brand p{font-size:13px;color:#b9aabd;max-width:290px;margin-top:15px}.site-footer h3{color:var(--lime);font-size:14px;margin-bottom:14px}.site-footer li{list-style:none;margin:7px 0;font-size:13px}.site-footer a:hover{color:var(--lime)}.copyright{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;font-size:12px;color:#a998ad;display:flex;justify-content:space-between;gap:20px}
@media(max-width:1024px){.hero-grid{gap:35px}.nav-links a{padding:9px 7px}.section{padding:75px 0}.showcase,.download-grid{gap:28px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media(max-width:768px){
 .container{width:min(100% - 36px,var(--container))}.navbar{height:70px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);padding:12px 18px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{border-bottom:0;border-left:3px solid transparent}.nav-links a.active,.nav-links a:hover{border-left-color:var(--lime);background:var(--plum-soft)}
 .hero{padding:62px 0}.hero-grid,.interface-layout,.download-grid,.guide-layout,.faq-grid,.editorial{grid-template-columns:1fr}.hero-art{min-height:350px}.art-board{inset:10px 0 20px 15px}.section-head{display:block}.section-head p{margin-top:13px}.experience-grid{grid-template-columns:repeat(2,1fr);gap:20px}.step{border-right:0;border-bottom:1px solid #cfc1d2;margin:0;padding:20px 0}.showcase{grid-template-columns:1fr}.news-layout{grid-template-columns:1fr;gap:20px}.news-intro{border-right:0;border-bottom:1px solid var(--line);padding-bottom:18px}.version-strip{grid-template-columns:1fr;padding:25px}.safety-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.cta-inner{display:block;padding:32px 25px}.cta .btn{margin-top:22px}
}
@media(max-width:520px){
 body{font-size:15px}.section{padding:60px 0}h1{font-size:40px}.hero-copy p{font-size:16px}.brand{min-width:0}.brand strong{font-size:16px}.brand small{font-size:10px}.hero-art{min-height:285px}.art-board{padding:12px;border-radius:17px}.screen-grid{height:190px}.screen-main h3{margin-top:35px;font-size:18px}.float-note{font-size:12px;padding:10px 13px}.experience-grid{grid-template-columns:1fr}.interface-main,.interface-small,.showcase-main,.showcase-card,.lead-story,.small-story{padding:21px}.guide-item{grid-template-columns:1fr;gap:4px}.news-item{grid-template-columns:1fr auto;gap:5px 12px}.news-item time{grid-column:1/-1}.news-item p{display:none}.news-item .read{grid-column:2;grid-row:2}.safety-points{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:7px}
}

/* roulang page: article */
:root{
      --plum:#44234f;
      --plum-deep:#301638;
      --plum-soft:#eee6f0;
      --lime:#c7e86b;
      --coral:#f28b62;
      --paper:#f6f3ed;
      --white:#fffdfa;
      --ink:#29242d;
      --muted:#756d78;
      --line:#e4dde2;
      --radius:18px;
      --shadow:0 14px 36px rgba(68,35,79,.09);
      --container:1200px;
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.78;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{font-weight:800;line-height:1.3;color:var(--plum-deep)}
    h1{font-size:clamp(32px,4.6vw,58px);letter-spacing:-.035em}
    h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.02em}
    h3{font-size:20px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .section{padding:88px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--plum);
      font-size:13px;
      font-weight:750;
      letter-spacing:.08em;
      margin-bottom:13px;
    }
    .eyebrow:before{content:"";width:22px;height:3px;background:var(--coral);border-radius:3px}
    .tag{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:7px;
      background:var(--plum-soft);
      color:var(--plum);
      font-size:12px;
      font-weight:700;
    }
    .tag.lime{background:var(--lime);color:var(--plum-deep)}
    .tag.coral{background:#fde1d6;color:#a95234}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:13px 22px;
      border-radius:10px;
      font-weight:750;
      transition:var(--ease);
      border:1px solid transparent;
    }
    .btn-primary{background:var(--plum);color:#fff}
    .btn-primary:hover{background:var(--plum-deep);transform:translateY(-2px);box-shadow:0 8px 18px rgba(68,35,79,.2)}
    .btn-secondary{border-color:var(--plum);color:var(--plum);background:transparent}
    .btn-secondary:hover{background:var(--plum-soft);transform:translateY(-2px)}
    .btn-lime{background:var(--lime);color:var(--plum-deep)}
    .btn-lime:hover{background:#d8f58a;transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible{outline:3px solid rgba(242,139,98,.55);outline-offset:3px}

    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(246,243,237,.95);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(228,221,226,.85);
    }
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:235px}
    .brand-mark{
      width:39px;height:39px;border-radius:11px;background:var(--plum);
      position:relative;overflow:hidden;flex:none;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;background:var(--lime);border-radius:5px;transform:rotate(35deg)
    }
    .brand-mark:before{width:12px;height:44px;left:10px;top:-4px}
    .brand-mark:after{width:8px;height:30px;right:8px;bottom:-3px;background:var(--coral)}
    .brand strong{display:block;color:var(--plum-deep);font-size:19px;line-height:1.1}
    .brand small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:7px}
    .nav-links a{
      padding:9px 13px;color:var(--muted);font-weight:650;font-size:14px;
      border-bottom:3px solid transparent;transition:var(--ease)
    }
    .nav-links a:hover,.nav-links a.active{color:var(--plum);border-bottom-color:var(--lime)}
    .menu-toggle{display:none;background:none;color:var(--plum);font-size:26px}

    .article-hero{
      padding:74px 0 62px;
      background:linear-gradient(120deg,var(--paper) 0%,#f1e8f2 100%);
      border-bottom:1px solid var(--line);
    }
    .breadcrumbs{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-bottom:27px}
    .breadcrumbs a{color:var(--plum);font-weight:650}
    .breadcrumbs span{color:#b4a9b7}
    .article-heading{max-width:900px}
    .article-heading h1{margin:14px 0 22px}
    .article-lead{max-width:760px;color:var(--muted);font-size:18px;margin-bottom:25px}
    .article-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .meta-dot{width:4px;height:4px;border-radius:50%;background:var(--coral)}

    .reading-layout{
      display:grid;
      grid-template-columns:minmax(0,800px) 280px;
      gap:70px;
      align-items:start;
    }
    .article-body{
      background:var(--white);
      border:1px solid var(--line);
      border-radius:22px;
      padding:clamp(25px,5vw,58px);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .article-body h2{margin:34px 0 16px;font-size:29px}
    .article-body h3{margin:27px 0 12px}
    .article-body p{color:#514b55;margin-bottom:20px}
    .article-body ul,.article-body ol{padding-left:24px;color:#514b55;margin-bottom:24px}
    .article-body li{margin:8px 0}
    .article-body blockquote{
      margin:28px 0;
      padding:20px 24px;
      border-left:4px solid var(--lime);
      background:var(--plum-soft);
      color:var(--plum-deep);
      border-radius:0 12px 12px 0;
      font-weight:600;
    }
    .article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
    .article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
    .article-body th{background:var(--plum-soft);color:var(--plum-deep)}
    .article-body img{border-radius:14px;margin:26px auto}
    .article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
    .empty-state{text-align:center;padding:60px 20px}
    .empty-state h2{font-size:27px;margin-bottom:12px}
    .empty-state p{color:var(--muted)}

    .side-panel{position:sticky;top:110px}
    .side-card{
      background:var(--white);
      border:1px solid var(--line);
      border-radius:18px;
      padding:22px;
      margin-bottom:18px;
    }
    .side-card h3{font-size:17px;margin-bottom:14px}
    .side-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .side-list{list-style:none;padding:0;margin:0}
    .side-list li{padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
    .side-list li:last-child{border-bottom:0;padding-bottom:0}
    .side-list a{color:var(--plum);font-weight:650}
    .side-list a:hover{color:var(--coral)}

    .notice-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .notice-card{
      border:1px solid var(--line);
      border-radius:18px;
      padding:27px;
      background:var(--white);
      min-height:170px;
    }
    .notice-card.lime-card{background:#edf6ce;border-color:#d8e9a2}
    .notice-card h3{margin-bottom:10px}
    .notice-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .notice-label{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:22px}
    .notice-value{font-size:22px;font-weight:800;color:var(--plum)}

    .steps-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:38px}
    .section-head p{max-width:510px;color:var(--muted);margin-bottom:0}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid #cfc1d2}
    .step{padding:26px 25px 10px 0;border-right:1px solid var(--line);margin-right:25px}
    .step:last-child{border-right:0;margin-right:0}
    .step-number{
      display:grid;place-items:center;width:38px;height:38px;border-radius:10px;
      background:var(--plum);color:var(--lime);font-weight:800;margin-bottom:18px
    }
    .step h3{margin-bottom:9px}
    .step p{color:var(--muted);font-size:14px;margin-bottom:0}

    .safety{background:#eee9e3}
    .safety-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
    .safety-copy{max-width:700px}
    .safety-copy h2{font-size:28px;margin-bottom:14px}
    .safety-copy p{color:var(--muted);margin-bottom:0}
    .safety-mark{
      width:88px;height:88px;border-radius:22px;background:var(--lime);
      display:grid;place-items:center;color:var(--plum-deep);font-size:35px;font-weight:800;flex:none
    }

    .related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .related-card{
      background:var(--white);border:1px solid var(--line);border-radius:17px;padding:23px;
      transition:var(--ease)
    }
    .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbb9cf}
    .related-card h3{font-size:18px;margin:15px 0 9px}
    .related-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .article-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}

    .site-footer{background:var(--plum-deep);color:#eadfeb;padding:62px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
    .footer-brand strong{display:block;color:#fff;font-size:21px;margin-bottom:12px}
    .footer-brand p{color:#cdbbd1;font-size:14px}
    .site-footer h3{color:var(--lime);font-size:14px;margin-bottom:15px}
    .site-footer ul{list-style:none;padding:0;margin:0}
    .site-footer li{margin:8px 0}
    .site-footer a{color:#d9c9dc;font-size:14px;transition:var(--ease)}
    .site-footer a:hover{color:var(--lime);padding-left:3px}
    .copyright{
      display:flex;justify-content:space-between;gap:20px;
      border-top:1px solid rgba(255,255,255,.15);margin-top:42px;padding-top:19px;
      color:#bca9c1;font-size:12px
    }

    @media (max-width:1024px){
      .reading-layout{grid-template-columns:minmax(0,1fr) 235px;gap:30px}
      .hero-grid{gap:38px}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .navbar{height:70px}
      .brand{min-width:0}
      .brand small{display:none}
      .menu-toggle{display:block}
      .nav-links{
        display:none;position:absolute;left:18px;right:18px;top:70px;
        padding:12px;background:var(--white);border:1px solid var(--line);
        border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
      }
      .nav-links.is-open{display:flex}
      .nav-links a{border-bottom:0;border-radius:8px}
      .nav-links a:hover,.nav-links a.active{background:var(--plum-soft)}
      .article-hero{padding:48px 0 42px}
      .reading-layout,.notice-grid{grid-template-columns:1fr}
      .side-panel{position:static}
      .steps{grid-template-columns:1fr;gap:0}
      .step{border-right:0;border-bottom:1px solid var(--line);margin:0;padding:22px 0}
      .step:last-child{border-bottom:0}
      .safety-inner{align-items:flex-start;flex-direction:column}
      .related-list{grid-template-columns:1fr}
      .section{padding:65px 0}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:last-child{grid-column:auto}
      .copyright{flex-direction:column;gap:5px}
    }
    @media (max-width:520px){
      h1{font-size:34px}
      .article-body{padding:22px 19px;border-radius:16px}
      .article-body h2{font-size:25px}
      .article-meta{gap:8px}
      .notice-card{padding:21px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:last-child{grid-column:auto}
      .btn{width:100%}
      .article-actions{display:grid}
    }

/* roulang page: category1 */
:root{
      --plum:#44234f;
      --plum-deep:#301638;
      --plum-soft:#eee6f0;
      --lime:#c7e86b;
      --coral:#f28b62;
      --paper:#f6f3ed;
      --white:#fffdfa;
      --ink:#29242d;
      --muted:#756d78;
      --line:#e4dde2;
      --radius:18px;
      --shadow:0 14px 36px rgba(68,35,79,.09);
      --container:1200px;
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.78;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{font-weight:800;letter-spacing:-.025em}
    h1{font-size:clamp(36px,5vw,64px);line-height:1.16}
    h2{font-size:clamp(28px,3vw,42px);line-height:1.25}
    h3{font-size:21px;line-height:1.35}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .section{padding:88px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:38px}
    .section-head p{max-width:520px;color:var(--muted);margin-bottom:0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--plum);font-size:13px;font-weight:750;
      letter-spacing:.08em;text-transform:uppercase;margin-bottom:13px
    }
    .eyebrow:before{content:"";width:22px;height:3px;background:var(--coral);border-radius:3px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      padding:13px 22px;border-radius:10px;font-weight:750;
      border:1px solid transparent;transition:var(--ease)
    }
    .btn-primary{background:var(--plum);color:#fff}
    .btn-primary:hover{background:var(--plum-deep);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(68,35,79,.2)}
    .btn-secondary{border-color:var(--plum);color:var(--plum);background:transparent}
    .btn-secondary:hover{background:var(--plum-soft);transform:translateY(-2px)}
    .btn-lime{background:var(--lime);color:var(--plum-deep)}
    .btn-lime:hover{background:#d8f58a;color:var(--plum-deep);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(242,139,98,.55);outline-offset:3px}
    .tag{
      display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;
      background:var(--plum-soft);color:var(--plum);font-size:12px;font-weight:700
    }
    .tag.lime{background:var(--lime)}
    .tag.coral{background:#fde1d6;color:#a95234}
    .site-header{
      position:sticky;top:0;z-index:20;background:rgba(246,243,237,.94);
      backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,221,226,.8)
    }
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:235px}
    .brand-mark{width:39px;height:39px;border-radius:11px;background:var(--plum);position:relative;overflow:hidden}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:5px;transform:rotate(35deg)}
    .brand-mark:before{width:12px;height:44px;left:10px;top:-4px}
    .brand-mark:after{width:8px;height:30px;right:8px;bottom:-3px;background:var(--coral)}
    .brand strong{display:block;color:var(--plum-deep);font-size:19px;line-height:1.1}
    .brand small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:7px}
    .nav-links a{padding:9px 13px;color:var(--muted);font-weight:650;font-size:14px;border-bottom:3px solid transparent;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{color:var(--plum);border-bottom-color:var(--lime)}
    .menu-toggle{display:none;background:none;color:var(--plum);font-size:26px}
    .page-head{padding:70px 0 64px;background:var(--white);border-bottom:1px solid var(--line)}
    .crumbs{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-bottom:26px}
    .crumbs a:hover{color:var(--plum)}
    .crumbs span{color:#b5aab8}
    .page-head-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:70px;align-items:end}
    .page-head h1{max-width:700px;margin-bottom:18px;color:var(--plum-deep)}
    .page-head-copy{color:var(--muted);font-size:18px;max-width:670px;margin:0}
    .topic-mark{
      justify-self:end;width:min(100%,360px);padding:24px;
      background:var(--plum);color:#fff;border-radius:22px;position:relative;overflow:hidden;
      box-shadow:var(--shadow)
    }
    .topic-mark:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-65px;bottom:-85px;background:var(--lime);opacity:.22}
    .topic-mark strong{display:block;font-size:34px;line-height:1.15;position:relative;z-index:1}
    .topic-mark p{color:#e7dce9;font-size:14px;margin:14px 0 0;position:relative;z-index:1}
    .stats-band{padding:20px 0;background:var(--plum-soft);border-bottom:1px solid #e1d5e4}
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .stat{padding:10px 28px;border-right:1px solid #d8c9dc}
    .stat:first-child{padding-left:0}
    .stat:last-child{border-right:0}
    .stat strong{display:block;color:var(--plum);font-size:25px;line-height:1.25}
    .stat span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
    .content-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:48px;align-items:start}
    .content-list{display:grid;gap:15px}
    .content-item{
      display:grid;grid-template-columns:116px minmax(0,1fr) 30px;gap:22px;align-items:center;
      padding:22px;background:var(--white);border:1px solid var(--line);border-radius:16px;
      transition:var(--ease)
    }
    .content-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d4c3d8}
    .content-thumb{height:94px;border-radius:12px;background:linear-gradient(145deg,var(--plum),#704d79);position:relative;overflow:hidden}
    .content-thumb:before{content:"PG";position:absolute;left:13px;bottom:3px;color:rgba(255,255,255,.16);font-size:44px;font-weight:900}
    .content-thumb:after{content:"";position:absolute;width:70px;height:70px;right:-20px;top:-20px;border-radius:50%;background:var(--lime);opacity:.65}
    .content-item h3{font-size:19px;margin:9px 0 5px;color:var(--plum-deep)}
    .content-item p{font-size:14px;color:var(--muted);margin:0}
    .item-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .arrow{font-size:24px;color:var(--plum);transition:var(--ease)}
    .content-item:hover .arrow{color:var(--coral);transform:translateX(3px)}
    .empty-state{padding:45px 25px;text-align:center;border:1px dashed #cfc1d2;border-radius:16px;color:var(--muted);background:rgba(255,253,250,.55)}
    .side-panel{background:var(--plum);color:#fff;border-radius:21px;padding:29px;position:sticky;top:105px}
    .side-panel h2{font-size:27px;color:#fff;margin-bottom:13px}
    .side-panel p{color:#e4d8e7;font-size:14px}
    .side-panel ul{list-style:none;padding:0;margin:23px 0 0}
    .side-panel li{display:flex;gap:11px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.15);color:#f7f0f8;font-size:14px}
    .side-panel li:before{content:"✓";color:var(--lime);font-weight:800}
    .side-panel .btn{margin-top:24px;width:100%}
    .featured{background:var(--white)}
    .feature-band{display:grid;grid-template-columns:1.1fr .9fr;gap:0;border:1px solid var(--line);border-radius:21px;overflow:hidden;box-shadow:var(--shadow)}
    .feature-copy{padding:42px;background:var(--plum);color:#fff}
    .feature-copy h2{color:#fff;font-size:31px;margin:17px 0 13px}
    .feature-copy p{color:#e5d9e8;max-width:510px}
    .feature-visual{min-height:260px;padding:34px;background:#ece4ed;display:flex;align-items:end;position:relative;overflow:hidden}
    .feature-visual:before{content:"PG SIMULATOR";position:absolute;top:28px;right:28px;color:rgba(68,35,79,.18);font-size:18px;font-weight:900;letter-spacing:.12em}
    .visual-card{width:78%;padding:22px;border-radius:15px;background:var(--white);box-shadow:0 12px 25px rgba(68,35,79,.12);position:relative}
    .visual-card strong{display:block;color:var(--plum);font-size:23px}
    .visual-card span{display:block;color:var(--muted);font-size:13px;margin-top:7px}
    .support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .support-card{padding:27px;background:var(--white);border:1px solid var(--line);border-radius:17px;transition:var(--ease)}
    .support-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .support-number{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--lime);color:var(--plum-deep);font-weight:850;margin-bottom:20px}
    .support-card h3{font-size:20px;color:var(--plum-deep);margin-bottom:9px}
    .support-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .keyword-panel{padding:31px;background:#f0e9f1;border-radius:20px;border:1px solid var(--line)}
    .keyword-panel h2{font-size:27px;margin-bottom:19px;color:var(--plum-deep)}
    .keyword-links{display:flex;flex-wrap:wrap;gap:10px}
    .keyword-links a{padding:10px 15px;border-radius:9px;background:var(--white);color:var(--plum);border:1px solid #ded2e1;font-weight:650;font-size:14px;transition:var(--ease)}
    .keyword-links a:hover{background:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
    .faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;padding:20px 4px;background:none;display:flex;align-items:center;justify-content:space-between;text-align:left;color:var(--ink);font-weight:750}
    .faq-question span:last-child{font-size:23px;color:var(--plum);transition:var(--ease)}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);color:var(--coral)}
    .faq-answer{display:none;padding:0 35px 20px 4px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .notice{background:#fbede7;border:1px solid #f4d3c5;border-radius:18px;padding:24px 27px;display:flex;gap:17px;align-items:flex-start}
    .notice-icon{width:34px;height:34px;border-radius:9px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:800;flex:none}
    .notice h3{font-size:19px;margin-bottom:5px;color:#8c432d}
    .notice p{margin:0;color:#785a52;font-size:14px}
    .cta{padding:62px 0;background:var(--plum);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{color:#fff;font-size:34px;margin-bottom:8px}
    .cta p{color:#e4d8e7;margin:0;max-width:620px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
    .site-footer{padding:60px 0 22px;background:#211426;color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}
    .footer-brand strong{font-size:22px}
    .footer-brand p{color:#c9bacd;font-size:14px;margin:14px 0 0;max-width:310px}
    .site-footer h3{font-size:15px;color:#fff;margin:3px 0 15px}
    .site-footer ul{list-style:none;padding:0;margin:0}
    .site-footer li{margin:8px 0}
    .site-footer li a{color:#bbaabd;font-size:13px;transition:var(--ease)}
    .site-footer li a:hover{color:var(--lime);padding-left:3px}
    .copyright{border-top:1px solid rgba(255,255,255,.13);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#a996ad;font-size:12px}
    @media (max-width:1024px){
      .page-head-grid,.content-layout,.feature-band,.faq-wrap{gap:35px}
      .nav-links a{padding-left:8px;padding-right:8px}
      .brand{min-width:205px}
      .content-item{grid-template-columns:95px minmax(0,1fr) 20px}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr;gap:22px}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .section{padding:64px 0}
      .navbar{height:70px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:18px;right:18px;top:78px;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{border:0;border-left:3px solid transparent}
      .nav-links a:hover,.nav-links a.active{border-left-color:var(--lime);border-bottom-color:transparent;background:var(--plum-soft)}
      .page-head{padding:52px 0 48px}
      .page-head-grid,.content-layout,.feature-band,.faq-wrap{grid-template-columns:1fr}
      .topic-mark{justify-self:stretch;width:100%}
      .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}
      .stat,.stat:first-child{padding:8px 15px;border-right:0}
      .stat:nth-child(odd){border-right:1px solid #d8c9dc}
      .content-item{grid-template-columns:84px minmax(0,1fr);gap:15px;padding:17px}
      .content-thumb{height:78px}
      .arrow{display:none}
      .side-panel{position:static}
      .feature-copy{padding:30px}
      .feature-visual{min-height:220px}
      .support-grid{grid-template-columns:1fr}
      .cta-inner{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr}
      .copyright{flex-direction:column;gap:7px}
    }
    @media (max-width:520px){
      body{font-size:15px}
      h1{font-size:38px}
      h2{font-size:29px}
      .brand small{font-size:10px}
      .brand strong{font-size:17px}
      .stats-grid{grid-template-columns:1fr 1fr}
      .stat strong{font-size:21px}
      .content-item{grid-template-columns:1fr}
      .content-thumb{height:100px}
      .content-item h3{font-size:18px}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:12px}
      .cta h2{font-size:28px}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{
      --plum:#44234f;--plum-deep:#301638;--plum-soft:#eee6f0;--lime:#c7e86b;
      --coral:#f28b62;--paper:#f6f3ed;--white:#fffdfa;--ink:#29242d;
      --muted:#756d78;--line:#e4dde2;--radius:18px;--shadow:0 14px 36px rgba(68,35,79,.09);
      --container:1200px;--ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(246,243,237,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,221,226,.85)}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:235px}
    .brand-mark{width:39px;height:39px;border-radius:11px;background:var(--plum);position:relative;overflow:hidden}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:5px;transform:rotate(35deg)}
    .brand-mark:before{width:12px;height:44px;left:10px;top:-4px}
    .brand-mark:after{width:8px;height:30px;right:8px;bottom:-3px;background:var(--coral)}
    .brand strong{display:block;color:var(--plum-deep);font-size:19px;line-height:1.1}
    .brand small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:7px}
    .nav-links a{padding:9px 13px;color:var(--muted);font-weight:650;font-size:14px;border-bottom:3px solid transparent;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{color:var(--plum);border-bottom-color:var(--lime)}
    .menu-toggle{display:none;background:none;color:var(--plum);font-size:26px}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{color:var(--plum-deep);font-weight:800;line-height:1.25}
    h1{font-size:clamp(36px,5vw,64px);letter-spacing:-.04em}
    h2{font-size:clamp(28px,3.5vw,42px)}
    h3{font-size:21px}
    .section{padding:88px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--plum);font-size:13px;font-weight:750;letter-spacing:.08em;margin-bottom:13px}
    .eyebrow:before{content:"";width:22px;height:3px;background:var(--coral);border-radius:3px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:38px}
    .section-head p{max-width:520px;color:var(--muted);margin-bottom:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:10px;font-weight:750;transition:var(--ease);border:1px solid transparent}
    .btn-primary{background:var(--plum);color:#fff}
    .btn-primary:hover{background:var(--plum-deep);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(68,35,79,.2)}
    .btn-secondary{border-color:var(--plum);color:var(--plum);background:transparent}
    .btn-secondary:hover{background:var(--plum-soft);transform:translateY(-2px)}
    .btn-lime{background:var(--lime);color:var(--plum-deep)}
    .btn-lime:hover{background:#d8f58a;color:var(--plum-deep);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(242,139,98,.55);outline-offset:3px}
    .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--plum-soft);color:var(--plum);font-size:12px;font-weight:700}
    .tag.lime{background:var(--lime)}.tag.coral{background:#fde1d6;color:#a95234}
    .page-head{padding:76px 0 64px;background:var(--white);border-bottom:1px solid var(--line)}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:28px}
    .crumbs a:hover{color:var(--plum)}
    .page-head-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:end}
    .page-head h1{max-width:760px;margin-bottom:20px}
    .page-head p{max-width:680px;color:var(--muted);font-size:18px;margin-bottom:0}
    .topic-mark{background:var(--plum);color:#fff;border-radius:22px;padding:27px;min-height:175px;position:relative;overflow:hidden}
    .topic-mark:after{content:"";position:absolute;width:160px;height:160px;border:28px solid var(--lime);border-radius:50%;right:-52px;bottom:-75px;opacity:.8}
    .topic-mark strong{display:block;font-size:29px;position:relative;z-index:1}
    .topic-mark span{display:block;color:#e5d9e8;font-size:13px;margin-top:10px;position:relative;z-index:1}
    .info-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
    .info-cell{padding:24px 27px;border-right:1px solid var(--line)}
    .info-cell:last-child{border:0}.info-cell b{display:block;color:var(--plum);font-size:25px;line-height:1.2}.info-cell span{color:var(--muted);font-size:13px}
    .content-layout{display:grid;grid-template-columns:1fr 320px;gap:54px;align-items:start}
    .post-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:8px 30px}
    .post-item{display:grid;grid-template-columns:94px 1fr auto;gap:24px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line)}
    .post-item:last-child{border-bottom:0}.post-date{color:var(--coral);font-weight:800;font-size:13px}.post-item h3{font-size:19px;margin:4px 0 5px}.post-item p{color:var(--muted);font-size:14px;margin:0}
    .post-item:hover h3{color:var(--coral)}.post-arrow{font-size:22px;color:var(--plum)}
    .side-card{background:var(--plum);color:#fff;border-radius:var(--radius);padding:28px;position:sticky;top:106px}.side-card h3{color:#fff}.side-card p{color:#e4d8e7;font-size:14px}.side-card ul{padding:0;margin:22px 0;list-style:none}.side-card li{padding:11px 0;border-bottom:1px solid rgba(255,255,255,.18);color:#f7eff8;font-size:14px}.side-card li:before{content:"＋";color:var(--lime);margin-right:8px}
    .empty-state{padding:45px 10px;color:var(--muted);text-align:center}
    .feature-band{background:#eee6f0}.feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.feature-large,.feature-small{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.feature-large{min-height:260px;background:var(--plum);color:#fff;display:flex;flex-direction:column;justify-content:space-between}.feature-large h3{color:#fff;font-size:29px}.feature-large p{color:#e7dce9}.feature-stack{display:grid;gap:22px}.feature-small p{color:var(--muted);font-size:14px;margin-bottom:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.step{padding:25px 22px 12px 0;border-bottom:1px solid var(--line)}.step:not(:last-child){margin-right:22px;border-right:1px solid var(--line)}.step-num{color:var(--coral);font-size:14px;font-weight:800}.step h3{font-size:18px;margin:10px 0 7px}.step p{color:var(--muted);font-size:14px;margin:0}
    .keyword-panel{display:flex;flex-wrap:wrap;gap:12px;padding:27px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}.keyword-panel a{padding:10px 15px;border:1px solid var(--line);border-radius:9px;color:var(--plum);font-weight:650;transition:var(--ease)}.keyword-panel a:hover{background:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
    .faq-list{max-width:880px;margin:auto}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-item summary{list-style:none;cursor:pointer;padding:20px 4px;font-weight:750;color:var(--plum-deep)}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";float:right;color:var(--coral);font-size:20px}.faq-item[open] summary:after{content:"－"}.faq-answer{padding:0 35px 21px 4px;color:var(--muted);font-size:14px}
    .cta{padding:55px 0;background:var(--plum);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{color:#fff;margin-bottom:10px}.cta p{color:#e5d9e8;margin:0}
    .site-footer{background:var(--plum-deep);color:#eee4ef;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}.footer-brand strong{font-size:21px;color:#fff}.footer-brand p{color:#cbb9cf;font-size:14px;margin-top:13px}.site-footer h3{font-size:15px;color:var(--lime);margin-bottom:15px}.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin:8px 0;font-size:13px;color:#d8cbd9}.site-footer a:hover{color:var(--lime)}.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.15);margin-top:40px;padding-top:18px;color:#bcaac0;font-size:12px}
    @media(max-width:1024px){.page-head-grid,.content-layout,.feature-grid{grid-template-columns:1fr}.side-card{position:static}.page-head-grid{gap:30px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 36px,var(--container))}.navbar{height:70px}.brand{min-width:0}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:18px;right:18px;top:70px;padding:12px;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{border:0;border-left:3px solid transparent}.nav-links a.active{border-left-color:var(--lime);background:var(--plum-soft)}.page-head{padding:52px 0 46px}.section{padding:64px 0}.info-strip{grid-template-columns:repeat(2,1fr)}.info-cell:nth-child(2){border-right:0}.info-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}.post-list{padding:6px 20px}.post-item{grid-template-columns:1fr auto;gap:7px 15px}.post-date{grid-column:1/-1}.post-item p{font-size:13px}.steps{grid-template-columns:1fr 1fr}.step:not(:last-child){margin-right:0;border-right:0}.step:nth-child(odd){padding-right:18px;border-right:1px solid var(--line)}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.cta-inner{display:block}.cta .btn{margin-top:23px}}
    @media(max-width:520px){h1{font-size:36px}.section-head{display:block}.section-head p{margin-top:14px}.info-cell{padding:18px}.info-cell b{font-size:21px}.feature-large,.feature-small{padding:23px}.steps{grid-template-columns:1fr}.step,.step:nth-child(odd){padding:19px 0;border-right:0!important}.step:not(:last-child){border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}.brand strong{font-size:16px}.brand small{font-size:10px}}

/* roulang page: category3 */
:root{
      --plum:#44234f;--plum-deep:#301638;--plum-soft:#eee6f0;
      --lime:#c7e86b;--coral:#f28b62;--paper:#f6f3ed;--white:#fffdfa;
      --ink:#29242d;--muted:#756d78;--line:#e4dde2;--radius:18px;
      --shadow:0 14px 36px rgba(68,35,79,.09);--container:1200px;
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.78}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{font-weight:780;line-height:1.28;letter-spacing:-.025em}
    h1{font-size:clamp(34px,5vw,62px)}
    h2{font-size:clamp(27px,3vw,42px)}
    h3{font-size:22px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .section{padding:88px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:38px}
    .section-head p{max-width:550px;color:var(--muted);margin-bottom:0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--plum);font-size:13px;font-weight:750;letter-spacing:.08em;margin-bottom:13px}
    .eyebrow:before{content:"";width:22px;height:3px;background:var(--coral);border-radius:3px}
    .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--plum-soft);color:var(--plum);font-size:12px;font-weight:700}
    .tag.lime{background:var(--lime);color:var(--plum-deep)}
    .tag.coral{background:#fde1d6;color:#a95234}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:10px;font-weight:750;transition:var(--ease);border:1px solid transparent}
    .btn-primary{background:var(--plum);color:#fff}
    .btn-primary:hover{background:var(--plum-deep);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(68,35,79,.2)}
    .btn-secondary{border-color:var(--plum);color:var(--plum);background:transparent}
    .btn-secondary:hover{background:var(--plum-soft);transform:translateY(-2px)}
    .btn-lime{background:var(--lime);color:var(--plum-deep)}
    .btn-lime:hover{background:#d8f58a;color:var(--plum-deep);transform:translateY(-2px)}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(242,139,98,.6);outline-offset:3px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(246,243,237,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,221,226,.85)}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:235px}
    .brand-mark{width:39px;height:39px;border-radius:11px;background:var(--plum);position:relative;overflow:hidden}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:5px;transform:rotate(35deg)}
    .brand-mark:before{width:12px;height:44px;left:10px;top:-4px}
    .brand-mark:after{width:8px;height:30px;right:8px;bottom:-3px;background:var(--coral)}
    .brand strong{display:block;color:var(--plum-deep);font-size:19px;line-height:1.1}
    .brand small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:7px}
    .nav-links a{padding:9px 13px;color:var(--muted);font-weight:650;font-size:14px;border-bottom:3px solid transparent;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{color:var(--plum);border-bottom-color:var(--lime)}
    .menu-toggle{display:none;background:none;color:var(--plum);font-size:26px}
    .page-hero{padding:76px 0 68px;background:var(--white);border-bottom:1px solid var(--line)}
    .crumbs{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:27px}
    .crumbs a:hover{color:var(--plum)}
    .crumbs span{color:#b3a8b5}
    .page-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:end}
    .page-hero h1{max-width:760px;margin-bottom:20px}
    .page-hero h1 em{font-style:normal;color:var(--plum)}
    .page-hero p{max-width:670px;color:var(--muted);font-size:18px;margin-bottom:25px}
    .hero-note{padding:25px;background:var(--plum);color:#fff;border-radius:20px;position:relative;overflow:hidden}
    .hero-note:after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:var(--lime);opacity:.14;right:-48px;bottom:-55px}
    .hero-note strong{display:block;font-size:28px;position:relative;z-index:1}
    .hero-note p{font-size:14px;color:#eaddec;line-height:1.7;margin:10px 0 0;position:relative;z-index:1}
    .info-strip{padding:25px 0;background:var(--plum-soft)}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#d8cadb;border:1px solid #d8cadb}
    .stat{padding:18px 24px;background:var(--plum-soft)}
    .stat strong{display:block;color:var(--plum);font-size:25px;line-height:1.2}
    .stat span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .news-layout{display:grid;grid-template-columns:1fr 315px;gap:58px;align-items:start}
    .news-list{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:8px 30px;box-shadow:var(--shadow)}
    .news-item{display:grid;grid-template-columns:92px 1fr auto;gap:23px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-date{color:var(--plum);font-size:13px;font-weight:750}
    .news-date b{display:block;font-size:27px;line-height:1.1}
    .news-item h3{font-size:19px;margin:7px 0 5px}
    .news-item h3 a:hover{color:var(--coral)}
    .news-item p{color:var(--muted);font-size:14px;line-height:1.65;margin:0}
    .news-arrow{font-size:22px;color:var(--coral);transition:var(--ease)}
    .news-item:hover .news-arrow{transform:translateX(4px);color:var(--plum)}
    .empty-state{padding:55px 20px;text-align:center;color:var(--muted)}
    .side-card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:0 8px 22px rgba(68,35,79,.05)}
    .side-card h3{font-size:20px;margin-bottom:15px}
    .side-card p{color:var(--muted);font-size:14px}
    .side-list{list-style:none;padding:0;margin:18px 0 0}
    .side-list li{padding:11px 0;border-bottom:1px solid var(--line);color:var(--plum);font-weight:650;font-size:14px}
    .side-list li:last-child{border-bottom:0}
    .feature-band{background:var(--white)}
    .feature-card{display:grid;grid-template-columns:1.05fr .95fr;min-height:280px;border-radius:22px;overflow:hidden;background:var(--plum);color:#fff;box-shadow:var(--shadow)}
    .feature-copy{padding:42px}
    .feature-copy h2{color:#fff;max-width:480px;margin:15px 0}
    .feature-copy p{color:#eaddec;max-width:500px}
    .feature-visual{background:linear-gradient(140deg,#eadff0 0 48%,#c7e86b 48% 70%,#f28b62 70%);display:flex;align-items:center;justify-content:center;position:relative}
    .visual-panel{width:67%;padding:25px;border-radius:15px;background:var(--white);color:var(--plum);box-shadow:0 18px 30px rgba(48,22,56,.2);transform:rotate(-4deg)}
    .visual-panel strong{font-size:23px;display:block}
    .visual-panel small{color:var(--muted)}
    .support-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .support-card{padding:29px;border:1px solid var(--line);border-radius:18px;background:var(--white);transition:var(--ease)}
    .support-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .support-card h3{margin:14px 0 8px}
    .support-card p{color:var(--muted);font-size:14px;margin:0}
    .support-icon{width:45px;height:45px;border-radius:12px;display:grid;place-items:center;background:var(--lime);color:var(--plum);font-weight:800;font-size:20px}
    .keyword-box{padding:30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;gap:11px;flex-wrap:wrap}
    .keyword-box a{padding:9px 14px;background:var(--white);border:1px solid var(--line);border-radius:9px;color:var(--plum);font-size:14px;font-weight:650;transition:var(--ease)}
    .keyword-box a:hover{border-color:var(--coral);color:#a95234;transform:translateY(-2px)}
    .faq-list{max-width:850px;margin:0 auto;border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:19px 0}
    summary{cursor:pointer;font-weight:700;color:var(--plum);padding-right:20px}
    details p{color:var(--muted);font-size:14px;margin:12px 0 2px;padding-right:28px}
    .cta{padding:65px 0;background:var(--plum);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{color:#fff;margin-bottom:10px}
    .cta p{color:#eaddec;margin:0}
    .site-footer{background:#25152b;color:#eee4f0;padding:62px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer-brand strong{font-size:21px;color:#fff}
    .footer-brand p{font-size:14px;color:#c8b8cc;margin-top:12px}
    .site-footer h3{font-size:15px;color:#fff;margin-bottom:14px}
    .site-footer ul{list-style:none;padding:0;margin:0}
    .site-footer li{margin:8px 0;color:#c8b8cc;font-size:14px}
    .site-footer a:hover{color:var(--lime)}
    .copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#a996ad;font-size:12px}
    @media(max-width:1024px){
      .page-hero-grid{gap:35px}.news-layout{gap:28px}.brand{min-width:210px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .navbar{height:70px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;padding:12px 18px 18px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{border-bottom:1px solid var(--line);padding:12px 4px}.page-hero{padding:53px 0}.page-hero-grid,.feature-card,.news-layout{grid-template-columns:1fr}.hero-note{margin-top:12px}.stats{grid-template-columns:repeat(2,1fr)}.section{padding:65px 0}.news-list{padding:4px 20px}.news-item{grid-template-columns:70px 1fr auto;gap:14px}.news-item p{display:none}.feature-visual{min-height:220px}.support-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{flex-direction:column;gap:5px}
    }
    @media(max-width:520px){
      h1{font-size:35px}.section-head{display:block}.section-head p{margin-top:13px}.stats{grid-template-columns:1fr 1fr}.stat{padding:16px 13px}.stat strong{font-size:21px}.news-item{grid-template-columns:1fr auto}.news-date{display:flex;gap:5px;align-items:baseline}.news-date b{font-size:21px}.feature-copy{padding:29px 23px}.footer-grid{grid-template-columns:1fr}.brand small{font-size:10px}
    }