/* roulang page: index */
:root{
  --ink:#271d2d;
  --plum:#432344;
  --plum-deep:#28172d;
  --coral:#e67961;
  --coral-dark:#c85b49;
  --cream:#fbf8f3;
  --paper:#fffdf9;
  --mist:#f0ebe6;
  --line:#e5dbd6;
  --muted:#756b72;
  --white:#fff;
  --radius:18px;
  --shadow:0 14px 38px rgba(54,35,48,.08);
  --ease:all .25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;background:var(--cream);color:var(--ink);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{max-width:100%;display:block}
button{font:inherit;border:0;cursor:pointer}
.container{width:min(1180px,calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,243,.94);border-bottom:1px solid rgba(229,219,214,.8);backdrop-filter:blur(14px)}
.navbar{height:78px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--plum);color:#f7d9b5;display:grid;place-items:center;font-weight:800;letter-spacing:-1px}
.brand-name{font-size:18px;font-weight:750;letter-spacing:.02em;color:var(--plum)}
.brand-name small{display:block;font-size:10px;letter-spacing:.2em;color:var(--muted);line-height:1.1}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-links a{padding:9px 13px;border-radius:9px;color:#665c64;font-size:14px}
.nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--plum);background:#eee4ec}
.nav-action{background:var(--coral);color:var(--white)!important;padding:11px 17px!important;border-radius:10px!important;font-weight:700!important}
.nav-action:hover{background:var(--coral-dark)!important;transform:translateY(-2px)}
.menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px}
.hero{padding:92px 0 78px;background:var(--cream);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:70px}
.eyebrow,.section-kicker{color:var(--coral-dark);font-weight:750;letter-spacing:.14em;font-size:12px;text-transform:uppercase}
.hero h1{font-size:clamp(40px,5vw,62px);line-height:1.18;letter-spacing:-.055em;color:var(--plum-deep);margin:18px 0 22px}
.hero h1 em{font-style:normal;color:var(--coral-dark)}
.hero-copy{font-size:17px;color:var(--muted);max-width:570px}
.actions{display:flex;gap:12px;align-items:center;margin-top:32px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(200,91,73,.2)}
.btn-outline{border-color:#bcaab9;color:var(--plum);background:transparent}
.btn-outline:hover{background:#eee4ec;border-color:var(--plum)}
.btn-text{color:var(--plum);padding-left:0;padding-right:0}
.btn-text:hover{color:var(--coral-dark)}
.hero-art{position:relative;min-height:360px}
.art-board{position:absolute;inset:20px 0 0 30px;background:var(--plum);border-radius:28px;transform:rotate(3deg);box-shadow:var(--shadow)}
.art-board:before{content:"WENDING";position:absolute;top:30px;left:32px;color:#d9a8a1;font-size:13px;letter-spacing:.28em}
.art-panel{position:absolute;background:var(--paper);border-radius:18px;box-shadow:0 18px 35px rgba(31,18,32,.18)}
.panel-main{width:68%;height:245px;left:5%;top:58px;padding:25px}
.panel-main strong{display:block;color:var(--plum);font-size:23px;margin:20px 0 10px}
.panel-lines i{display:block;height:8px;background:#eee6e2;border-radius:6px;margin:12px 0;width:80%}
.panel-lines i:last-child{width:53%}
.panel-side{width:38%;height:170px;right:3%;bottom:34px;padding:18px;background:#f1d3c8}
.panel-side span{display:block;color:var(--plum);font-size:12px;margin-bottom:20px}
.panel-side b{display:block;font-size:27px;color:var(--plum)}
.info-strip{background:var(--plum);color:#fff;padding:20px 0}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.strip-item{display:flex;align-items:center;gap:13px;border-right:1px solid rgba(255,255,255,.18)}
.strip-item:last-child{border:0}
.strip-icon{color:#efb19d;font-size:22px}
.strip-item b{display:block;font-size:14px}
.strip-item span{display:block;color:#cbbac8;font-size:12px}
.section{padding:100px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section h2{font-size:clamp(28px,3vw,38px);line-height:1.25;color:var(--plum-deep);letter-spacing:-.035em;margin-top:10px}
.section-intro{max-width:530px;color:var(--muted)}
.experience{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.experience-visual{min-height:390px;background:#e8ddd7;border-radius:25px;position:relative;overflow:hidden;padding:38px}
.experience-visual:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(67,35,68,.18);border-radius:50%;right:-50px;bottom:-45px}
.visual-label{position:relative;z-index:1;background:var(--paper);border-radius:14px;padding:22px;width:72%;box-shadow:var(--shadow)}
.visual-label b{font-size:25px;color:var(--plum)}
.visual-label p{color:var(--muted);font-size:13px;margin-top:8px}
.experience-list{margin-top:26px;display:grid;gap:14px}
.experience-list li{list-style:none;border-top:1px solid var(--line);padding:14px 0;color:#5f555c}
.experience-list li strong{color:var(--plum);margin-right:12px}
.download{background:#eee4df}
.download-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}
.device{height:350px;width:185px;margin:auto;border:8px solid var(--plum-deep);border-radius:29px;background:var(--paper);padding:35px 15px 15px;box-shadow:18px 20px 0 #d7beb7;position:relative}
.device:before{content:"";position:absolute;top:12px;left:50%;width:48px;height:5px;background:#aa929e;border-radius:8px;transform:translateX(-50%)}
.device-title{font-weight:800;color:var(--plum);font-size:18px;margin-bottom:20px}
.device-card{height:55px;background:#f0d2c8;border-radius:10px;margin:10px 0}
.download ul{display:grid;gap:11px;margin:25px 0;list-style:none;color:var(--muted)}
.download li:before{content:"✓";color:var(--coral-dark);font-weight:bold;margin-right:10px}
.preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.preview-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:14px;transition:var(--ease)}
.preview-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.preview-screen{height:170px;border-radius:11px;background:var(--plum);padding:17px;color:white}
.preview-screen span{font-size:11px;color:#e9c6ba}
.preview-screen b{display:block;font-size:21px;margin-top:30px}
.preview-screen i{display:block;height:7px;background:#80617e;border-radius:5px;margin-top:15px}
.preview-card h3{font-size:16px;color:var(--plum);margin-top:14px}
.preview-card p{font-size:13px;color:var(--muted);margin-top:4px}
.timeline{border-left:2px solid #d9c7c4;margin-left:15px}
.timeline-item{position:relative;padding:0 0 28px 34px}
.timeline-item:before{content:"";position:absolute;left:-8px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--coral);border:4px solid var(--cream)}
.timeline-item time{font-size:12px;color:var(--coral-dark);font-weight:700}
.timeline-item h3{font-size:18px;color:var(--plum);margin:5px 0}
.timeline-item p{color:var(--muted)}
.news-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.news-feature,.news-item{background:var(--paper);border:1px solid var(--line);border-radius:16px}
.news-feature{padding:28px}
.news-feature .tag,.news-item .tag{display:inline-block;color:var(--coral-dark);font-size:12px;font-weight:700}
.news-feature h3{font-size:25px;color:var(--plum);line-height:1.4;margin:22px 0 12px}
.news-feature p,.news-item p{color:var(--muted)}
.news-meta{font-size:12px;color:#95878e;margin-top:18px}
.news-list{display:grid;gap:12px}
.news-item{padding:19px}
.news-item h3{font-size:17px;color:var(--plum);margin:5px 0}
.news-item:hover{border-color:#c9c9b7c5;box-shadow:var(--shadow)}
.news-item a{display:block}
.news-item time{font-size:12px;color:#95878e}
.dynamic-board{background:var(--paper);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.dynamic-row{display:grid;grid-template-columns:120px 120px 1fr auto;gap:20px;align-items:center;padding:22px 26px;border-bottom:1px solid var(--line)}
.dynamic-row:last-child{border-bottom:0}
.status{display:inline-flex;width:max-content;padding:4px 10px;border-radius:20px;background:#f3e2dc;color:var(--coral-dark);font-size:12px;font-weight:700}
.dynamic-row time{color:#968a90;font-size:13px}
.dynamic-row h3{font-size:17px;color:var(--plum)}
.dynamic-row p{color:var(--muted);font-size:14px;margin-top:3px}
.dynamic-row a{color:var(--plum);font-weight:700;font-size:13px}
.dynamic-row a:hover{color:var(--coral-dark)}
.featured-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.featured-card{min-height:270px;border-radius:20px;padding:30px;display:flex;flex-direction:column;justify-content:end;background:var(--plum);color:#fff;position:relative;overflow:hidden}
.featured-card:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:-70px;top:-80px}
.featured-card h3{font-size:25px;line-height:1.4;max-width:480px;position:relative;z-index:1}
.featured-card p{color:#d9c6d3;max-width:480px;margin-top:10px;position:relative;z-index:1}
.featured-card .tag{color:#f1b09e;margin-bottom:auto;position:relative;z-index:1}
.featured-side{display:grid;gap:20px}
.mini-feature{padding:25px;background:#f1d9d1;border-radius:20px;color:var(--plum)}
.mini-feature:nth-child(2){background:#e6dce7}
.mini-feature b{font-size:18px;display:block;margin-bottom:9px}
.mini-feature p{font-size:14px;color:#6f626b}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step{padding:28px 24px 30px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0}
.step-no{font-size:13px;color:var(--coral-dark);font-weight:800;letter-spacing:.12em}
.step h3{font-size:18px;color:var(--plum);margin:18px 0 8px}
.step p{font-size:14px;color:var(--muted)}
.safety{background:#f1ebe5}
.safety-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center}
.safety h2{margin-bottom:13px}
.safety p{color:var(--muted)}
.safety-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.safety-list li{list-style:none;background:var(--paper);padding:16px 18px;border-radius:12px;border:1px solid var(--line);color:#5e535b}
.safety-list li strong{display:block;color:var(--plum);font-size:15px;margin-bottom:3px}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.channel-card{padding:25px;background:var(--paper);border:1px solid var(--line);border-radius:16px;transition:var(--ease)}
.channel-card:hover{transform:translateY(-3px);border-color:#c7a9bd;box-shadow:var(--shadow)}
.channel-card .channel-no{color:var(--coral-dark);font-weight:800;font-size:13px}
.channel-card h3{font-size:19px;color:var(--plum);margin:16px 0 8px}
.channel-card p{font-size:14px;color:var(--muted);min-height:48px}
.channel-card .arrow{display:block;margin-top:20px;color:var(--plum);font-weight:700;font-size:13px}
.faq-list{max-width:850px;margin:auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{cursor:pointer;list-style:none;padding:20px 4px;color:var(--plum);font-size:17px;font-weight:700;display:flex;justify-content:space-between;gap:15px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";font-size:22px;font-weight:400;color:var(--coral-dark)}
.faq-item[open] summary:after{content:"－"}
.faq-answer{color:var(--muted);padding:0 40px 21px 4px;font-size:14px}
.cta-band{background:var(--plum-deep);color:#fff;border-radius:22px;padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-band h2{color:#fff;margin:0 0 10px}
.cta-band p{color:#d4c4d0}
.cta-band .btn-outline{border-color:#a990a7;color:#fff}
.site-footer{background:#211523;color:#fff;padding:58px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:45px}
.site-footer .brand-name{color:#fff}
.footer-brand p{color:#bcaeb9;max-width:290px;margin-top:18px;font-size:13px}
.footer-title{font-size:14px;font-weight:700;margin-bottom:16px;color:#f0d9d1}
.footer-links{display:grid;gap:9px}
.footer-links a{color:#bcaeb9;font-size:13px}
.footer-links a:hover{color:#f0a18f}
.footer-note{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;color:#9e8c9b;font-size:12px;display:flex;justify-content:space-between;gap:20px}
.empty-state{padding:35px;text-align:center;color:var(--muted);background:var(--paper);border:1px dashed #ccbfc0;border-radius:16px}
:focus-visible{outline:3px solid #e7a08e;outline-offset:3px}
@media (max-width:1024px){
  .navbar{gap:18px}.nav-links a{padding:8px 8px}
  .hero-grid{gap:35px}.section{padding:78px 0}
  .dynamic-row{grid-template-columns:100px 100px 1fr auto;gap:12px}
}
@media (max-width:768px){
  .container{width:min(100% - 36px,620px)}
  .navbar{height:68px}.menu-toggle{display:block;margin-left:auto}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--cream);padding:13px 18px 20px;border-bottom:1px solid var(--line);box-shadow:0 14px 24px rgba(43,25,40,.08)}
  .nav-links.open{display:grid}.nav-links a{padding:12px 14px}
  .hero{padding:62px 0}.hero-grid,.experience,.download-grid,.safety-box,.featured-grid{grid-template-columns:1fr}
  .hero-art{min-height:310px;margin-top:20px}.art-board{inset:15px 0 0 10px}
  .strip-grid{grid-template-columns:1fr 1fr;gap:15px}.strip-item{border-right:0}
  .section-head{display:block}.section-head .section-intro{margin-top:14px}
  .preview-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}
  .step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .dynamic-row{grid-template-columns:85px 1fr auto}.dynamic-row p{display:none}
  .channel-grid{grid-template-columns:1fr}.safety-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{display:block;padding:36px 27px}.cta-band .actions{margin-top:24px}
}
@media (max-width:520px){
  body{font-size:14px}.container{width:calc(100% - 28px)}
  .hero h1{font-size:39px}.hero-copy{font-size:15px}
  .hero-art{min-height:260px}.panel-main{height:190px;padding:18px}.panel-main strong{font-size:18px;margin:14px 0 7px}
  .panel-side{height:120px;padding:14px}.panel-side b{font-size:20px}
  .strip-grid{grid-template-columns:1fr}.strip-item{border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:10px}
  .section{padding:62px 0}.preview-grid{grid-template-columns:1fr}
  .preview-screen{height:145px}.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:0}.dynamic-row{grid-template-columns:1fr auto;padding:18px}
  .dynamic-row time{grid-column:1}.dynamic-row .status{grid-column:2;grid-row:1}
  .dynamic-row a{grid-column:1 / -1}.news-wrap{grid-template-columns:1fr}
  .featured-card h3{font-size:21px}.safety-list{gap:8px}
  .footer-grid{grid-template-columns:1fr;gap:25px}.footer-note{display:block}.footer-note span{display:block;margin-top:8px}
  .actions .btn{width:100%}
}

/* roulang page: article */
:root{
      --ink:#271d2d;
      --plum:#432344;
      --plum-deep:#28172d;
      --coral:#e67961;
      --coral-dark:#c85b49;
      --cream:#fbf8f3;
      --paper:#fffdf9;
      --mist:#f0ebe6;
      --line:#e5dbd6;
      --muted:#756b72;
      --white:#fff;
      --radius:18px;
      --shadow:0 14px 38px rgba(54,35,48,.08);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--cream);
      color:var(--ink);
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      font-size:15px;
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--coral-dark)}
    img{display:block;max-width:100%;height:auto}
    button{font:inherit;border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(230,121,97,.55);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(251,248,243,.95);
      border-bottom:1px solid rgba(229,219,214,.8);
      backdrop-filter:blur(14px)
    }
    .navbar{height:78px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
    .brand-mark{
      width:38px;height:38px;border-radius:12px;
      background:var(--plum);color:#f7d9b5;
      display:grid;place-items:center;font-weight:800;font-size:19px
    }
    .brand-name{font-size:18px;font-weight:750;letter-spacing:.02em;color:var(--plum)}
    .brand-name small{display:block;font-size:10px;letter-spacing:.2em;color:var(--muted);line-height:1.1}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-links a{padding:9px 13px;border-radius:9px;color:#665c64;font-size:14px}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--plum);background:#eee4ec}
    .nav-links .nav-action{
      background:var(--coral);color:var(--white)!important;
      padding:11px 17px!important;border-radius:10px!important;font-weight:700
    }
    .nav-links .nav-action:hover{background:var(--coral-dark)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px}
    .article-hero{padding:58px 0 52px;border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;align-items:center;gap:10px;color:#94858c;font-size:13px;margin-bottom:30px}
    .breadcrumb a{color:var(--plum);font-weight:650}
    .breadcrumb .sep{color:#c4b5b6}
    .article-heading{max-width:850px}
    .article-kicker{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--coral-dark);font-size:12px;font-weight:800;
      letter-spacing:.12em
    }
    .article-kicker:before{content:"";width:24px;height:2px;background:var(--coral)}
    .article-heading h1{
      margin:16px 0 20px;color:var(--plum-deep);
      font-size:clamp(34px,4.5vw,54px);
      line-height:1.25;letter-spacing:-.045em
    }
    .article-summary{max-width:790px;color:var(--muted);font-size:17px}
    .article-meta{
      display:flex;flex-wrap:wrap;gap:10px 22px;
      margin-top:25px;color:#8b7d84;font-size:13px
    }
    .meta-item{display:inline-flex;align-items:center;gap:7px}
    .meta-item strong{color:var(--plum);font-weight:700}
    .reading-layout{
      display:grid;grid-template-columns:minmax(0,820px) 250px;
      justify-content:space-between;gap:60px;padding:72px 0 90px
    }
    .article-body{
      min-width:0;background:var(--paper);border:1px solid var(--line);
      border-radius:var(--radius);padding:clamp(26px,5vw,58px);
      box-shadow:0 10px 28px rgba(54,35,48,.035)
    }
    .article-body h2{
      color:var(--plum-deep);font-size:29px;line-height:1.35;
      margin:36px 0 15px;letter-spacing:-.025em
    }
    .article-body h3{
      color:var(--plum);font-size:21px;line-height:1.45;margin:28px 0 11px
    }
    .article-body p{margin:0 0 20px;color:#514850;font-size:16px}
    .article-body ul,.article-body ol{padding-left:1.5em;margin:12px 0 24px;color:#514850}
    .article-body li{margin:8px 0;padding-left:4px}
    .article-body blockquote{
      margin:28px 0;padding:18px 22px;border-left:4px solid var(--coral);
      background:#f8eee9;color:#66565e;border-radius:0 12px 12px 0
    }
    .article-body img{border-radius:14px;margin:28px auto}
    .article-body table{width:100%;border-collapse:collapse;margin:25px 0;font-size:14px}
    .article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left}
    .article-body th{background:var(--mist);color:var(--plum)}
    .article-body hr{border:0;border-top:1px solid var(--line);margin:35px 0}
    .reading-aside{position:relative}
    .aside-card{
      position:sticky;top:108px;padding:22px;background:var(--paper);
      border:1px solid var(--line);border-radius:16px
    }
    .aside-title{color:var(--plum);font-size:16px;font-weight:800;margin-bottom:14px}
    .aside-card p{font-size:13px;color:var(--muted);margin:0 0 16px}
    .aside-line{height:1px;background:var(--line);margin:17px 0}
    .aside-link{display:block;color:var(--plum);font-size:14px;font-weight:650;padding:6px 0}
    .article-bottom{
      display:flex;justify-content:space-between;gap:20px;
      align-items:center;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)
    }
    .article-tag{
      display:inline-block;padding:6px 11px;border-radius:20px;
      background:#eee4ec;color:var(--plum);font-size:12px;font-weight:700
    }
    .info-panel{
      margin:0 0 34px;padding:18px 20px;border-radius:13px;
      background:#f7f0ea;border:1px solid #eadbd1;color:#695d63;font-size:14px
    }
    .support-section{padding:70px 0;background:var(--mist)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}
    .section-kicker{color:var(--coral-dark);font-weight:750;letter-spacing:.14em;font-size:12px}
    .section h2{font-size:clamp(27px,3vw,36px);line-height:1.3;color:var(--plum-deep);margin:10px 0 0;letter-spacing:-.035em}
    .section-intro{max-width:520px;color:var(--muted);margin:0}
    .support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .support-card{
      background:var(--paper);border:1px solid var(--line);border-radius:16px;
      padding:23px;transition:var(--ease)
    }
    .support-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#ceb9c7}
    .support-card .number{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.1em}
    .support-card h3{color:var(--plum);font-size:18px;margin:12px 0 7px}
    .support-card p{color:var(--muted);font-size:14px;margin:0}
    .closing{padding:70px 0}
    .closing-box{
      background:var(--plum-deep);color:#fff;border-radius:20px;
      padding:38px 44px;display:flex;justify-content:space-between;
      align-items:center;gap:25px;overflow:hidden;position:relative
    }
    .closing-box:after{
      content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.12);
      border-radius:50%;right:-80px;top:-120px
    }
    .closing-box h2{position:relative;z-index:1;margin:0 0 7px;font-size:28px}
    .closing-box p{position:relative;z-index:1;margin:0;color:#d8cbd7}
    .closing-box .btn{position:relative;z-index:1;flex:none}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(200,91,73,.2)}
    .btn-outline{border-color:#bcaab9;color:var(--plum);background:transparent}
    .btn-outline:hover{background:#eee4ec;border-color:var(--plum)}
    .site-footer{background:#241827;color:#d6cbd4;padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:35px}
    .footer-brand .brand-name{color:#fff}
    .footer-brand .brand-name small{color:#b9aab6}
    .footer-brand p{max-width:290px;color:#aa9aa7;font-size:13px;margin:18px 0 0}
    .footer-title{color:#fff;font-size:14px;font-weight:750;margin-bottom:14px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#b8aab5;font-size:13px}
    .footer-links a:hover{color:#f0a18e}
    .footer-note{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:19px;color:#958692;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:18px}
      .nav-links a{padding-left:9px;padding-right:9px}
      .reading-layout{grid-template-columns:minmax(0,1fr) 220px;gap:30px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 34px,620px)}
      .navbar{height:68px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{
        display:none;position:absolute;left:17px;right:17px;top:76px;
        padding:12px;background:var(--paper);border:1px solid var(--line);
        border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .article-hero{padding:42px 0 38px}
      .article-heading h1{font-size:36px}
      .reading-layout{display:block;padding:42px 0 58px}
      .reading-aside{margin-top:24px}
      .aside-card{position:static}
      .support-section,.closing{padding:50px 0}
      .support-grid{grid-template-columns:1fr}
      .closing-box{display:block;padding:30px 26px}
      .closing-box .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-note{display:block}
      .footer-note span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}
      .brand-name{font-size:16px}
      .brand-mark{width:35px;height:35px}
      .article-heading h1{font-size:30px}
      .article-summary{font-size:15px}
      .article-body{padding:23px 19px;border-radius:14px}
      .article-body p{font-size:15px}
      .article-bottom{display:block}
      .article-bottom .btn{margin-top:16px}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category1 */
:root{
      --ink:#271d2d;
      --plum:#432344;
      --plum-deep:#28172d;
      --coral:#e67961;
      --coral-dark:#c85b49;
      --cream:#fbf8f3;
      --paper:#fffdf9;
      --mist:#f0ebe6;
      --line:#e5dbd6;
      --muted:#756b72;
      --white:#fff;
      --radius:18px;
      --shadow:0 14px 38px rgba(54,35,48,.08);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;background:var(--cream);color:var(--ink);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(230,121,97,.55);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,243,.95);border-bottom:1px solid rgba(229,219,214,.8);backdrop-filter:blur(14px)}
    .navbar{height:78px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--plum);color:#f7d9b5;display:grid;place-items:center;font-weight:800;letter-spacing:-1px}
    .brand-name{font-size:18px;font-weight:750;letter-spacing:.02em;color:var(--plum)}
    .brand-name small{display:block;font-size:10px;letter-spacing:.2em;color:var(--muted);line-height:1.1}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-links a{padding:9px 13px;border-radius:9px;color:#665c64;font-size:14px}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--plum);background:#eee4ec}
    .nav-action{background:var(--coral);color:var(--white)!important;padding:11px 17px!important;border-radius:10px!important;font-weight:700!important}
    .nav-action:hover{background:var(--coral-dark)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px}
    .page-heading{padding:68px 0 52px;border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:20px}
    .breadcrumb span{color:#b0a1a5}
    .eyebrow,.section-kicker{color:var(--coral-dark);font-weight:750;letter-spacing:.14em;font-size:12px;text-transform:uppercase}
    h1,h2,h3,p{margin-top:0}
    .page-heading h1{font-size:clamp(36px,5vw,52px);line-height:1.2;letter-spacing:-.05em;color:var(--plum-deep);margin:15px 0 16px}
    .lead{max-width:740px;color:var(--muted);font-size:17px}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
    .section h2{font-size:clamp(27px,3vw,36px);line-height:1.25;color:var(--plum-deep);letter-spacing:-.035em;margin:9px 0 0}
    .section-intro{max-width:520px;color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;align-items:start}
    .news-aside{background:var(--plum);color:#fff;border-radius:20px;padding:30px;position:sticky;top:108px;overflow:hidden}
    .news-aside:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:-70px;bottom:-70px}
    .news-aside h2{color:#fff;font-size:29px;margin:16px 0}
    .news-aside p{color:#d9cbd6}
    .news-aside .mark-line{height:4px;width:54px;background:var(--coral);border-radius:5px;margin:22px 0}
    .news-list{display:grid;gap:14px}
    .news-item{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:23px 25px;transition:var(--ease)}
    .news-item:hover{border-color:#c9b5b0;box-shadow:var(--shadow);transform:translateY(-3px)}
    .news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:#95878e;font-size:12px}
    .tag{display:inline-flex;padding:3px 9px;border-radius:20px;background:#f3e4e0;color:var(--coral-dark);font-weight:700}
    .news-item h3{font-size:20px;line-height:1.45;color:var(--plum);margin:12px 0 7px}
    .news-item p{color:var(--muted);margin-bottom:0}
    .empty-state{padding:44px 24px;text-align:center;background:var(--paper);border:1px dashed #d7c8c2;border-radius:16px;color:var(--muted)}
    .filter-panel{background:var(--mist);padding:26px;border-radius:18px}
    .filter-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .filter-label{font-weight:750;color:var(--plum);margin-right:8px}
    .filter-chip{border:1px solid #d5c4c0;background:var(--paper);border-radius:30px;padding:8px 15px;color:#665c64;font-size:13px}
    .filter-chip:hover,.filter-chip.active{background:var(--plum);border-color:var(--plum);color:#fff}
    .feature-band{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:30px;display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center}
    .feature-band h2{font-size:25px;color:var(--plum);margin:9px 0}
    .feature-band p{color:var(--muted);margin-bottom:0;max-width:680px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(200,91,73,.2)}
    .btn-outline{border-color:#bcaab9;color:var(--plum);background:transparent}
    .btn-outline:hover{background:#eee4ec;border-color:var(--plum)}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .guide-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px}
    .guide-number{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.12em}
    .guide-card h3{font-size:18px;color:var(--plum);margin:12px 0 7px}
    .guide-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .faq-list{max-width:850px;margin:auto}
    .faq-list details{border-top:1px solid var(--line);padding:20px 0}
    .faq-list details:last-child{border-bottom:1px solid var(--line)}
    .faq-list summary{cursor:pointer;color:var(--plum);font-weight:750;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:20px}
    .faq-list summary:after{content:"＋";color:var(--coral-dark);font-size:21px}
    .faq-list details[open] summary:after{content:"－"}
    .faq-list details p{color:var(--muted);padding:12px 32px 0 0;margin-bottom:0}
    .cta-section{padding:0 0 90px}
    .cta-box{background:var(--plum-deep);border-radius:22px;padding:38px 44px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta-box h2{font-size:28px;margin:0 0 8px}
    .cta-box p{color:#d9cbd6;margin:0}
    .site-footer{background:var(--plum-deep);color:#fff;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:38px}
    .footer-brand p{color:#cbbac8;max-width:300px;margin-top:17px;font-size:14px}
    .footer-title{font-weight:750;margin-bottom:15px;color:#f9e9df}
    .footer-links{display:grid;gap:8px;color:#cbbac8;font-size:14px}
    .footer-links a:hover{color:#fff}
    .site-footer .brand-name{color:#fff}
    .site-footer .brand-name small{color:#cbbac8}
    .footer-note{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:18px;color:#bcaab9;font-size:12px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
    @media(max-width:1024px){
      .navbar{gap:18px}.nav-links a{padding-left:9px;padding-right:9px}
      .news-layout{grid-template-columns:1fr}.news-aside{position:relative;top:auto}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 34px,620px)}
      .navbar{height:70px;justify-content:space-between}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:17px;right:17px;top:70px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-action{text-align:center;margin-top:5px}
      .page-heading{padding:48px 0 38px}.section{padding:60px 0}
      .section-head{display:block}.section-intro{margin-top:14px}
      .feature-band,.cta-box{grid-template-columns:1fr;display:grid;padding:28px}
      .guide-grid{grid-template-columns:1fr}
    }
    @media(max-width:520px){
      .brand-name{font-size:16px}.brand-mark{width:35px;height:35px}
      .page-heading h1{font-size:35px}.lead{font-size:15px}
      .news-item{padding:20px}.filter-panel{padding:20px}
      .footer-grid{grid-template-columns:1fr;gap:26px}.footer-note{display:block}.footer-note span{display:block;margin-bottom:7px}
    }

/* roulang page: category2 */
:root{
  --ink:#271d2d;
  --plum:#432344;
  --plum-deep:#28172d;
  --coral:#e67961;
  --coral-dark:#c85b49;
  --cream:#fbf8f3;
  --paper:#fffdf9;
  --mist:#f0ebe6;
  --line:#e5dbd6;
  --muted:#756b72;
  --white:#fff;
  --radius:18px;
  --shadow:0 14px 38px rgba(54,35,48,.08);
  --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;background:var(--cream);color:var(--ink);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:focus-visible,button:focus-visible{outline:3px solid rgba(230,121,97,.45);outline-offset:3px}
img{max-width:100%;display:block}
button{font:inherit;border:0;cursor:pointer}
.container{width:min(1180px,calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,243,.94);border-bottom:1px solid rgba(229,219,214,.8);backdrop-filter:blur(14px)}
.navbar{height:78px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--plum);color:#f7d9b5;display:grid;place-items:center;font-weight:800;letter-spacing:-1px}
.brand-name{font-size:18px;font-weight:750;letter-spacing:.02em;color:var(--plum)}
.brand-name small{display:block;font-size:10px;letter-spacing:.2em;color:var(--muted);line-height:1.1}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-links a{padding:9px 13px;border-radius:9px;color:#665c64;font-size:14px}
.nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--plum);background:#eee4ec}
.nav-action{background:var(--coral);color:var(--white)!important;padding:11px 17px!important;border-radius:10px!important;font-weight:700!important}
.nav-action:hover{background:var(--coral-dark)!important;transform:translateY(-2px)}
.menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px}
.page-heading{padding:76px 0 48px;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
.breadcrumb span{color:#b2a4a8}
.eyebrow,.section-kicker{color:var(--coral-dark);font-weight:750;letter-spacing:.14em;font-size:12px;text-transform:uppercase}
.page-heading h1{font-size:clamp(36px,5vw,54px);line-height:1.2;letter-spacing:-.05em;color:var(--plum-deep);margin:16px 0}
.page-heading p{max-width:720px;color:var(--muted);font-size:17px;margin:0}
.section{padding:76px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section h2{font-size:clamp(27px,3vw,36px);line-height:1.25;color:var(--plum-deep);letter-spacing:-.035em;margin:9px 0 0}
.section-intro{max-width:540px;color:var(--muted);margin:0}
.guide-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:58px;align-items:stretch}
.app-preview{background:var(--plum-deep);border-radius:24px;min-height:365px;padding:30px;color:#fff;position:relative;overflow:hidden}
.app-preview:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-100px;bottom:-100px}
.phone-shell{width:180px;height:275px;background:#f8eee7;border:8px solid #17121b;border-radius:28px;margin:12px auto 22px;box-shadow:0 16px 35px rgba(0,0,0,.2);padding:13px;color:var(--plum);position:relative;z-index:1}
.phone-notch{width:58px;height:8px;border-radius:8px;background:#17121b;margin:0 auto 17px}
.phone-line{height:12px;border-radius:4px;background:#dfb7a9;margin:12px 0}
.phone-line.short{width:62%}
.phone-block{height:70px;border-radius:10px;background:#432344;margin-top:18px}
.app-preview h3{font-size:20px;position:relative;z-index:1}
.app-preview p{color:#d8cbd5;position:relative;z-index:1;margin:4px 0}
.steps{display:grid;gap:14px}
.step-card{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:19px 20px;background:var(--paper);border:1px solid var(--line);border-radius:15px;transition:var(--ease)}
.step-card:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#cdb8c5}
.step-number{width:42px;height:42px;border-radius:12px;background:#f2ded7;color:var(--coral-dark);display:grid;place-items:center;font-weight:800}
.step-card h3{font-size:18px;color:var(--plum);margin:0 0 3px}
.step-card p{color:var(--muted);margin:0;font-size:14px}
.note-panel{background:#f3e8e3;border:1px solid #e6d1c9;border-radius:var(--radius);padding:27px 30px}
.note-panel h3{color:var(--plum);font-size:20px;margin:0 0 10px}
.note-panel p{color:#6f6268;margin:0}
.compatibility{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.info-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px;transition:var(--ease)}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.info-card .icon{width:42px;height:42px;border-radius:12px;background:#eee4ec;color:var(--plum);display:grid;place-items:center;font-weight:800;margin-bottom:17px}
.info-card h3{font-size:18px;color:var(--plum);margin:0 0 7px}
.info-card p{color:var(--muted);font-size:14px;margin:0}
.content-list{display:grid;gap:12px}
.content-item{display:grid;grid-template-columns:125px 1fr auto;gap:22px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:20px 23px}
.content-item:hover{border-color:#c8aebd;box-shadow:var(--shadow)}
.content-item time{font-size:13px;color:#978a90}
.content-item h3{font-size:18px;color:var(--plum);margin:0 0 5px}
.content-item p{color:var(--muted);font-size:14px;margin:0}
.content-item .tag{display:inline-block;color:var(--coral-dark);font-size:12px;font-weight:700;margin-bottom:3px}
.arrow-link{color:var(--plum);font-weight:750;font-size:13px;white-space:nowrap}
.arrow-link:hover{color:var(--coral-dark)}
.empty-state{padding:34px;text-align:center;color:var(--muted);background:var(--paper);border:1px dashed #cdbfc0;border-radius:16px}
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:0;padding:0;list-style:none}
.check-list li{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:17px 18px;color:#62575e}
.check-list li:before{content:"✓";color:var(--coral-dark);font-weight:800;margin-right:10px}
.faq-list{display:grid;gap:10px;max-width:880px}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:0 20px}
.faq-item summary{cursor:pointer;padding:17px 0;color:var(--plum);font-weight:700;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";float:right;color:var(--coral-dark);font-size:20px}
.faq-item[open] summary:after{content:"－"}
.faq-item p{border-top:1px solid var(--line);padding:14px 0 17px;color:var(--muted);margin:0;font-size:14px}
.cta-band{background:var(--plum-deep);border-radius:22px;padding:40px 44px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-band h2{color:#fff;margin:0 0 7px;font-size:29px}
.cta-band p{color:#d5c7d1;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(200,91,73,.2)}
.btn-outline{border-color:#bcaab9;color:var(--plum);background:transparent}
.btn-outline:hover{background:#eee4ec;border-color:var(--plum)}
.site-footer{background:#211722;color:#fff;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:38px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-mark{background:#f0c7a7;color:var(--plum-deep)}
.footer-brand p{color:#b9aab5;max-width:280px;margin-top:18px;font-size:13px}
.footer-title{font-weight:750;margin-bottom:14px;color:#f4e6df}
.footer-links{display:grid;gap:8px}
.footer-links a{color:#b9aab5;font-size:13px}
.footer-links a:hover{color:#f2aa93}
.footer-note{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;color:#9e8f9a;font-size:12px}
@media(max-width:1024px){
  .navbar{gap:18px}.nav-links a{padding-left:9px;padding-right:9px}
  .guide-layout{gap:30px}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,620px)}
  .navbar{height:68px}.menu-toggle{display:block;margin-left:auto}
  .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;background:var(--paper);padding:12px;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{padding:12px 14px}
  .nav-action{text-align:center}
  .page-heading{padding:52px 0 34px}
  .section{padding:55px 0}.section-head{display:block}.section-intro{margin-top:14px}
  .guide-layout,.compatibility{grid-template-columns:1fr}
  .content-item{grid-template-columns:1fr;gap:5px}.content-item .arrow-link{margin-top:8px}
  .check-list{grid-template-columns:1fr}
  .cta-band{display:block;padding:30px 25px}.cta-band .btn{margin-top:22px}
}
@media(max-width:520px){
  .brand-name{font-size:16px}.brand-mark{width:34px;height:34px}
  .page-heading h1{font-size:35px}.page-heading p{font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:25px}.footer-note{display:block}.footer-note span{display:block;margin-top:7px}
}

/* roulang page: category3 */
:root{
      --ink:#271d2d;--plum:#432344;--plum-deep:#28172d;--coral:#e67961;
      --coral-dark:#c85b49;--cream:#fbf8f3;--paper:#fffdf9;--mist:#f0ebe6;
      --line:#e5dbd6;--muted:#756b72;--white:#fff;--radius:18px;
      --shadow:0 14px 38px rgba(54,35,48,.08);--ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(230,121,97,.45);outline-offset:3px}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(1180px,calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,243,.95);border-bottom:1px solid rgba(229,219,214,.8);backdrop-filter:blur(14px)}
    .navbar{height:78px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--plum);color:#f7d9b5;display:grid;place-items:center;font-weight:800}
    .brand-name{font-size:18px;font-weight:750;letter-spacing:.02em;color:var(--plum)}
    .brand-name small{display:block;font-size:10px;letter-spacing:.2em;color:var(--muted);line-height:1.1}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-links a{padding:9px 13px;border-radius:9px;color:#665c64;font-size:14px}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--plum);background:#eee4ec}
    .nav-links .nav-action{background:var(--coral);color:#fff!important;padding:11px 17px!important;font-weight:700}
    .nav-action:hover{background:var(--coral-dark)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px}
    .page-hero{padding:72px 0 60px;border-bottom:1px solid var(--line)}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:25px}
    .crumbs a{color:var(--plum)}
    .crumbs span{margin:0 9px;color:#b29ea8}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:750;color:var(--coral-dark)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,54px);line-height:1.2;letter-spacing:-.05em;color:var(--plum-deep);margin:12px 0 18px}
    .lead{max-width:740px;font-size:17px;color:var(--muted);margin-bottom:0}
    .section{padding:82px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:32px}
    h2{font-size:clamp(27px,3vw,38px);line-height:1.25;letter-spacing:-.035em;color:var(--plum-deep);margin:9px 0 0}
    .section-intro{max-width:530px;color:var(--muted);margin:0}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .topic-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-height:205px;transition:var(--ease)}
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbb3bf}
    .topic-number{color:var(--coral-dark);font-weight:800;font-size:13px}
    .topic-card h3{font-size:20px;color:var(--plum);margin:25px 0 8px}
    .topic-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .topic-card strong{display:block;color:var(--plum);font-size:28px;line-height:1}
    .dynamic-wrap{background:var(--plum-deep);border-radius:22px;padding:12px 28px;color:#fff}
    .dynamic-row{display:grid;grid-template-columns:120px 145px 1fr auto;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.14)}
    .dynamic-row:last-child{border-bottom:0}
    .dynamic-row time{font-size:12px;color:#cdbbc9}
    .dynamic-row h3{font-size:17px;margin:0;color:#fff}
    .dynamic-row p{font-size:14px;color:#d5cbd3;margin:3px 0 0}
    .tag{display:inline-flex;padding:4px 9px;border-radius:20px;background:#f3d6ce;color:var(--coral-dark);font-size:12px;font-weight:700;white-space:nowrap}
    .dynamic-row .tag{background:rgba(230,121,97,.16);color:#f3b2a0}
    .dynamic-row a{color:#f5b4a3;font-size:13px;font-weight:700;white-space:nowrap}
    .dynamic-row a:hover{color:#fff}
    .experience-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
    .screen-board{min-height:330px;background:var(--mist);border-radius:22px;padding:26px;position:relative;overflow:hidden}
    .screen-board:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(67,35,68,.15);border-radius:50%;right:-80px;bottom:-90px}
    .screen-top{display:flex;justify-content:space-between;color:var(--plum);font-weight:750}
    .screen-lines{margin-top:54px;display:grid;gap:12px;max-width:70%}
    .screen-lines i{display:block;height:16px;border-radius:8px;background:#fff}
    .screen-lines i:nth-child(2){width:75%;background:#e7c1b8}
    .screen-lines i:nth-child(3){width:88%}
    .experience-copy{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:34px}
    .experience-copy h3{font-size:25px;color:var(--plum);margin:12px 0}
    .experience-copy p{color:var(--muted)}
    .check-list{padding:0;margin:23px 0 0;display:grid;gap:12px}
    .check-list li{list-style:none;color:#5d535b;padding-left:25px;position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--coral-dark);font-weight:800}
    .guide-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
    .guide-note{background:#f4e4dc;border-radius:18px;padding:28px;color:var(--plum)}
    .guide-note h3{font-size:22px;margin-bottom:8px}
    .steps{display:grid;gap:0}
    .step{display:grid;grid-template-columns:48px 1fr;gap:18px;padding:0 0 26px}
    .step:last-child{padding-bottom:0}
    .step-num{width:38px;height:38px;border-radius:50%;background:var(--plum);color:#fff;display:grid;place-items:center;font-weight:800}
    .step h3{font-size:18px;color:var(--plum);margin:3px 0 4px}
    .step p{color:var(--muted);margin:0}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .faq-item{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
    .faq-item summary{cursor:pointer;color:var(--plum);font-weight:750}
    .faq-item p{color:var(--muted);font-size:14px;margin:13px 0 0}
    .cta-band{background:var(--plum);border-radius:22px;padding:38px 44px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-band h2{color:#fff;margin:0 0 7px;font-size:30px}
    .cta-band p{color:#d9ccd7;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(200,91,73,.2)}
    .btn-outline{border-color:#bcaab9;color:var(--plum);background:transparent}
    .btn-outline:hover{background:#eee4ec;border-color:var(--plum)}
    .empty-state{padding:28px;color:#d9ccd7;text-align:center}
    .site-footer{background:#211722;color:#d7cbd4;padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px}
    .footer-brand .brand-name{color:#fff}.footer-brand p{max-width:280px;color:#aa9ca8;font-size:14px;margin-top:19px}
    .footer-title{color:#fff;font-weight:750;margin-bottom:16px}
    .footer-links{display:grid;gap:9px;font-size:14px;color:#aa9ca8}
    .footer-links a:hover{color:#f3b2a0}
    .footer-note{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:20px;color:#958792;font-size:12px}
    @media(max-width:1024px){.navbar{gap:16px}.nav-links a{padding:8px 8px}.experience-panel,.guide-layout{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 32px,620px)}.navbar{height:68px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:16px;right:16px;top:74px;background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.page-hero{padding:50px 0 44px}.section{padding:60px 0}.section-head{display:block;margin-bottom:25px}.section-intro{margin-top:15px}.dynamic-row{grid-template-columns:1fr auto;gap:7px 15px}.dynamic-row time{grid-column:1}.dynamic-row h3{grid-column:1}.dynamic-row p{grid-column:1 / -1}.dynamic-row>a{grid-column:2;grid-row:1 / span 2}.topic-grid,.faq-list{grid-template-columns:1fr}.cta-band{display:block;padding:30px 25px}.cta-band .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1 / -1}.footer-note{display:block}.footer-note span{display:block;margin-top:7px}}
    @media(max-width:520px){.brand-name{font-size:16px}.brand-mark{width:34px;height:34px}.lead{font-size:15px}.screen-board{min-height:245px}.experience-copy{padding:25px}.guide-note{padding:23px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}