/* roulang page: index */
:root{
  --purple:#673b83;
  --purple-deep:#4d2868;
  --purple-soft:#eee7f4;
  --lime:#b9d86a;
  --lime-deep:#718d28;
  --apricot:#e99b63;
  --ink:#28242c;
  --muted:#746b78;
  --paper:#fffdf9;
  --warm:#f5f1ec;
  --line:#e7dfda;
  --white:#ffffff;
  --radius:16px;
  --shadow:0 12px 30px rgba(65,42,70,.08);
  --shadow-hover:0 16px 34px rgba(65,42,70,.14);
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.site-header{height:76px;background:rgba(255,253,249,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;color:var(--purple);font-weight:750;font-size:19px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);position:relative;display:grid;place-items:center}
.brand-mark:before{content:"";width:14px;height:14px;border:3px solid var(--lime);border-left-color:transparent;border-radius:50%;transform:rotate(-35deg)}
.brand-mark:after{content:"";position:absolute;width:7px;height:3px;background:var(--lime);right:5px;top:15px;transform:rotate(-35deg);border-radius:3px}
.main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}
.main-nav a{font-size:14px;color:#625968;position:relative;padding:26px 0;transition:.2s}
.main-nav a:hover,.main-nav a.active{color:var(--purple)}
.main-nav a.active:after{content:"";height:3px;background:var(--apricot);border-radius:3px;position:absolute;bottom:0;left:0;right:0}
.header-action,.btn-primary{background:var(--purple);color:#fff;border:1px solid var(--purple);border-radius:10px;padding:11px 18px;font-weight:650;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:7px}
.header-action:hover,.btn-primary:hover{background:var(--purple-deep);border-color:var(--purple-deep);transform:translateY(-2px)}
.btn-secondary{background:var(--white);border:1px solid #cbbbd2;color:var(--purple);border-radius:10px;padding:11px 18px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:.2s}
.btn-secondary:hover{border-color:var(--purple);background:var(--purple-soft);transform:translateY(-2px)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(233,155,99,.55);outline-offset:3px}
.menu-toggle{display:none;border:0;background:var(--purple-soft);color:var(--purple);width:42px;height:42px;border-radius:10px;font-size:21px}
.hero{padding:84px 0 72px;background:linear-gradient(135deg,#f5eef7 0%,#fffaf5 58%,#f3f6e8 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:70px}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-weight:700;font-size:13px;letter-spacing:.06em}
.eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;background:var(--apricot);border-radius:5px}
.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.14;letter-spacing:-.045em;margin:18px 0 22px;font-weight:750;color:var(--purple-deep)}
.hero h1 span{display:block;color:var(--ink)}
.hero-copy{font-size:17px;color:var(--muted);max-width:590px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-note{display:flex;gap:18px;margin-top:28px;color:var(--muted);font-size:13px;flex-wrap:wrap}
.hero-note b{color:var(--lime-deep);font-size:18px;margin-right:4px}
.portal-visual{min-height:390px;border-radius:28px;background:#fff;box-shadow:var(--shadow);border:1px solid rgba(103,59,131,.12);padding:25px;position:relative}
.portal-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:17px}
.portal-top strong{color:var(--purple);font-size:17px}
.status{font-size:12px;color:#5f7825;background:#eef6d7;padding:5px 10px;border-radius:20px}
.status i{display:inline-block;width:7px;height:7px;background:var(--lime);border-radius:50%;margin-right:5px}
.portal-content{display:grid;grid-template-columns:1fr 1.2fr;gap:16px;padding-top:22px}
.portal-menu{display:grid;gap:10px}
.portal-menu div{padding:14px 12px;border-radius:12px;background:#faf7fb;color:var(--muted);font-size:13px}
.portal-menu div:first-child{background:var(--purple);color:#fff}
.portal-screen{background:#f3efe9;border-radius:18px;min-height:240px;padding:18px;position:relative;overflow:hidden}
.screen-head{height:50px;background:#fff;border-radius:11px;margin-bottom:13px;padding:11px;color:var(--purple);font-weight:700}
.screen-lines{display:grid;gap:9px}
.screen-lines span{height:13px;background:#fff;border-radius:8px;width:88%}
.screen-lines span:nth-child(2){width:65%}
.screen-card{position:absolute;bottom:17px;left:18px;right:18px;background:var(--lime);padding:13px;border-radius:12px;color:#3d4d20;font-weight:700;font-size:13px}
section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-head h2{font-size:32px;line-height:1.25;color:var(--purple-deep);margin-top:9px}
.section-head p{color:var(--muted);max-width:540px}
.entry-strip{padding:25px 0;background:#fff;border-bottom:1px solid var(--line);border-top:1px solid var(--line)}
.entry-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line)}
.entry-item{background:#fff;padding:18px 19px;min-height:118px;transition:.2s}
.entry-item:hover{background:#fbf7fc;transform:translateY(-2px)}
.entry-icon{font-size:20px;color:var(--purple);margin-bottom:7px}
.entry-item h3{font-size:15px;color:var(--ink);margin-bottom:4px}
.entry-item p{font-size:12px;color:var(--muted)}
.split-panel{display:grid;grid-template-columns:.86fr 1.14fr;gap:60px;align-items:center}
.split-panel h2{font-size:34px;color:var(--purple-deep);line-height:1.3;margin:12px 0 16px}
.split-panel p{color:var(--muted);max-width:500px}
.feature-list{display:grid;gap:13px;margin:25px 0}
.feature-list li{list-style:none;display:flex;gap:12px;color:#514853}
.feature-list li:before{content:"✓";flex:0 0 23px;height:23px;text-align:center;background:var(--lime);color:#42531d;border-radius:50%;font-weight:700}
.device-stage{background:#f3eee8;border-radius:25px;min-height:320px;padding:30px;display:flex;align-items:center;justify-content:center;position:relative}
.device{width:205px;height:350px;border:8px solid #342a38;border-radius:29px;background:#fff;box-shadow:0 15px 25px rgba(48,34,50,.22);padding:22px 12px 12px;position:relative}
.device:before{content:"";position:absolute;width:55px;height:5px;background:#342a38;border-radius:5px;top:8px;left:67px}
.device-bar{height:33px;background:var(--purple-soft);border-radius:8px;margin-bottom:12px}
.device-row{height:48px;border-radius:9px;background:#faf6ef;margin:8px 0;padding:10px;color:var(--purple);font-size:11px}
.device-row.active{background:var(--lime);color:#455320}
.device-tag{position:absolute;right:20px;top:34px;background:#fff;padding:10px 13px;border-radius:11px;color:var(--purple);box-shadow:var(--shadow);font-size:12px}
.download-panel{background:var(--purple-deep);color:#fff;border-radius:22px;padding:38px 42px;display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center}
.app-icon{width:76px;height:76px;background:var(--lime);border-radius:20px;display:grid;place-items:center;color:var(--purple-deep);font-weight:800;font-size:27px}
.download-panel h2{font-size:27px;margin-bottom:5px}
.download-panel p{color:#dfd5e5;font-size:14px}
.download-meta{display:flex;gap:13px;flex-wrap:wrap;margin-top:14px}
.download-meta span{font-size:12px;padding:4px 9px;border:1px solid rgba(255,255,255,.25);border-radius:20px}
.qr-box{width:92px;height:92px;background:repeating-linear-gradient(45deg,#fff 0 4px,#342044 4px 8px);border:8px solid #fff;border-radius:7px}
.download-panel .btn-primary{background:var(--lime);border-color:var(--lime);color:#3d4c1d}
.download-panel .btn-primary:hover{background:#c9e57f;border-color:#c9e57f}
.news-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:25px}
.news-feature,.news-list{border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.news-feature{padding:30px;min-height:300px;display:flex;flex-direction:column;justify-content:space-between}
.news-feature .news-label{color:var(--apricot);font-weight:700;font-size:13px}
.news-feature h3{font-size:25px;line-height:1.4;color:var(--purple-deep);margin:12px 0}
.news-feature p{color:var(--muted)}
.news-list{padding:10px 24px}
.news-item{padding:18px 0;border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:0}
.news-item-top{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}
.news-item .tag{color:var(--purple);background:var(--purple-soft);padding:2px 8px;border-radius:12px}
.news-item h4{font-size:16px;margin:5px 0;color:var(--ink)}
.news-item p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.more-link{display:inline-flex;color:var(--purple);font-weight:700;margin-top:18px}
.empty-state{padding:60px 20px;text-align:center;color:var(--muted)}
.timeline{position:relative;padding-left:26px;display:grid;gap:24px}
.timeline:before{content:"";position:absolute;left:6px;top:7px;bottom:8px;width:1px;background:#d8c8dc}
.timeline-item{position:relative;padding-left:18px}
.timeline-item:before{content:"";position:absolute;left:-26px;top:8px;width:12px;height:12px;border:3px solid var(--apricot);background:var(--paper);border-radius:50%}
.timeline-date{color:var(--apricot);font-size:12px;font-weight:700}
.timeline-item h3{font-size:18px;color:var(--purple-deep);margin:3px 0}
.timeline-item p{color:var(--muted);font-size:14px}
.recommend-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:18px}
.recommend-card{min-height:220px;border-radius:var(--radius);padding:25px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden;background:#efe5f3}
.recommend-card:first-child{min-height:280px;background:#dfecc4}
.recommend-card:nth-child(2){background:#f8e4d5}
.recommend-card:nth-child(3){background:#e7e2ee}
.recommend-card:after{content:"";position:absolute;width:125px;height:125px;border-radius:50%;right:-24px;top:-28px;border:22px solid rgba(255,255,255,.35)}
.card-tag{position:relative;z-index:1;color:var(--purple);font-size:12px;font-weight:700}
.recommend-card h3{position:relative;z-index:1;font-size:21px;color:var(--purple-deep);margin:7px 0}
.recommend-card p{position:relative;z-index:1;color:#5c5360;font-size:13px}
.guide-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px}
.guide-intro h2{font-size:31px;color:var(--purple-deep);margin:10px 0}
.guide-intro p{color:var(--muted)}
.guide-list{border-top:1px solid var(--line)}
.guide-row{display:grid;grid-template-columns:42px 1fr auto;gap:16px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
.guide-no{font-size:20px;color:var(--apricot);font-weight:750}
.guide-row h3{font-size:17px;color:var(--ink)}
.guide-row p{color:var(--muted);font-size:13px}
.arrow{color:var(--purple);font-size:20px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.step{padding:25px 22px;position:relative;border-right:1px solid var(--line)}
.step:last-child{border-right:0}
.step-num{width:31px;height:31px;background:var(--purple);color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:700;margin-bottom:17px}
.step h3{font-size:16px;color:var(--purple-deep);margin-bottom:6px}
.step p{font-size:13px;color:var(--muted)}
.compare{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.compare-col{padding:30px}
.compare-col:first-child{background:#faf8f5;border-right:1px solid var(--line)}
.compare-col h3{font-size:20px;color:var(--purple-deep);margin-bottom:17px}
.compare-list{display:grid;gap:13px}
.compare-list li{list-style:none;color:var(--muted);padding-left:22px;position:relative}
.compare-list li:before{content:"";width:8px;height:8px;background:var(--lime);border-radius:50%;position:absolute;left:0;top:9px}
.safety{background:#f0f5dc;border:1px solid #dce8b5;border-radius:18px;padding:30px 34px;display:grid;grid-template-columns:1fr 1.3fr;gap:35px;align-items:center}
.safety h2{color:#4f6424;font-size:27px}
.safety p{color:#59643d}
.safety ul{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.safety li{list-style:none;color:#4d5b32;font-size:14px}
.safety li:before{content:"·";font-size:23px;color:var(--lime-deep);margin-right:8px}
.activity-bar{background:#fbede2;border-left:5px solid var(--apricot);border-radius:12px;padding:22px 25px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.activity-bar strong{font-size:18px;color:#72452c}
.activity-bar p{color:#765d4e;font-size:14px}
.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px}
.faq-grid h2{font-size:31px;color:var(--purple-deep);margin-top:10px}
.faq-grid>div>p{color:var(--muted);margin-top:12px}
.faq-list{display:grid;gap:10px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
.faq-item summary{padding:17px 20px;cursor:pointer;font-weight:650;color:var(--ink);list-style:none;display:flex;justify-content:space-between}
.faq-item summary:after{content:"+";color:var(--purple);font-size:20px}
.faq-item[open] summary:after{content:"−"}
.faq-item p{padding:0 20px 17px;color:var(--muted);font-size:14px}
.search-box{background:#f5f0f7;padding:29px;border-radius:18px}
.search-form{display:grid;grid-template-columns:1.5fr .75fr .75fr auto;gap:10px;margin-top:20px}
.search-form input,.search-form select{height:46px;border:1px solid #d9cedd;border-radius:9px;padding:0 13px;background:#fff;color:var(--muted)}
.cta-panel{background:#eee5f3;border-radius:22px;padding:38px 44px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta-panel h2{font-size:28px;color:var(--purple-deep)}
.cta-panel p{color:var(--muted);margin-top:5px}
.site-footer{background:#33263b;color:#e9e1ed;padding:55px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:42px;padding-bottom:40px}
.footer-brand{font-size:20px;font-weight:750;color:#fff;margin-bottom:12px}
.footer-grid p{color:#bdb1c2;font-size:13px;max-width:300px}
.footer-col h3{color:#fff;font-size:14px;margin-bottom:15px}
.footer-col a{display:block;color:#bdb1c2;font-size:13px;margin:8px 0;transition:.2s}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#a99dab;font-size:12px}
.back-top{color:var(--lime)}
@media(max-width:1024px){
  .main-nav{gap:14px}.main-nav a{font-size:13px}
  .hero-grid{gap:35px}.download-panel{grid-template-columns:auto 1fr}
  .download-panel .btn-primary{grid-column:2;justify-self:start}
  .recommend-grid{grid-template-columns:1fr 1fr}.recommend-card:first-child{grid-column:span 2}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,var(--max))}
  .site-header,.header-inner{height:68px}.header-action{display:none}
  .menu-toggle{display:block}
  .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;padding:10px 20px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .main-nav.open{display:grid;gap:0}.main-nav a{padding:13px 0;border-bottom:1px solid var(--line)}
  .main-nav a.active:after{display:none}
  .hero{padding:58px 0}.hero-grid,.split-panel,.news-layout,.guide-wrap,.faq-grid{grid-template-columns:1fr}
  .hero h1{font-size:43px}.portal-visual{min-height:330px}
  section{padding:64px 0}.entry-grid{grid-template-columns:repeat(2,1fr)}
  .entry-item:last-child{grid-column:span 2}.download-panel{padding:28px;grid-template-columns:auto 1fr}
  .download-panel .qr-box{display:none}.steps{grid-template-columns:1fr 1fr}
  .step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .safety{grid-template-columns:1fr}.search-form{grid-template-columns:1fr 1fr}.search-form .btn-primary{grid-column:span 2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:span 2}
}
@media(max-width:520px){
  .hero h1{font-size:36px}.hero-copy{font-size:15px}.hero-actions>*{width:100%}
  .section-head{display:block}.section-head h2,.split-panel h2,.faq-grid h2{font-size:27px}
  .entry-grid{display:flex;overflow-x:auto}.entry-item{min-width:155px}.entry-item:last-child{grid-column:auto}
  .portal-content{grid-template-columns:1fr}.portal-menu{display:none}.portal-screen{min-height:220px}
  .download-panel{display:block}.download-panel .app-icon{margin-bottom:16px}.download-panel .btn-primary{margin-top:20px}
  .recommend-grid{grid-template-columns:1fr}.recommend-card:first-child{grid-column:auto}
  .steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:0}.compare{grid-template-columns:1fr}.compare-col:first-child{border-right:0;border-bottom:1px solid var(--line)}
  .safety ul{grid-template-columns:1fr}.activity-bar,.cta-panel{display:block;padding:25px}
  .activity-bar .btn-secondary,.cta-panel .btn-primary{margin-top:17px}.search-form{grid-template-columns:1fr}
  .search-form .btn-primary{grid-column:auto}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
  .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
}

/* roulang page: article */
:root{
      --purple:#673b83;
      --purple-deep:#4d2868;
      --purple-soft:#eee7f4;
      --lime:#b9d86a;
      --lime-deep:#718d28;
      --apricot:#e99b63;
      --ink:#28242c;
      --muted:#746b78;
      --paper:#fffdf9;
      --warm:#f5f1ec;
      --line:#e7dfda;
      --white:#fff;
      --radius:16px;
      --shadow:0 12px 30px rgba(65,42,70,.08);
      --shadow-hover:0 16px 34px rgba(65,42,70,.14);
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font:15px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--purple)}
    img{display:block;max-width:100%}
    button,input,select{font:inherit}
    button{cursor:pointer}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{
      outline:3px solid rgba(233,155,99,.55);
      outline-offset:3px;
    }
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:76px;
      background:rgba(255,253,249,.97);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20;
    }
    .header-inner{
      height:76px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      color:var(--purple);
      font-size:19px;
      font-weight:750;
      white-space:nowrap;
    }
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:11px;
      background:var(--purple);
      position:relative;
      display:grid;
      place-items:center;
    }
    .brand-mark:before{
      content:"";
      width:14px;
      height:14px;
      border:3px solid var(--lime);
      border-left-color:transparent;
      border-radius:50%;
      transform:rotate(-35deg);
    }
    .brand-mark:after{
      content:"";
      width:7px;
      height:3px;
      background:var(--lime);
      position:absolute;
      right:5px;
      top:15px;
      transform:rotate(-35deg);
      border-radius:3px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:25px;
      margin-left:auto;
    }
    .main-nav a{
      color:#625968;
      font-size:14px;
      padding:26px 0;
      position:relative;
      transition:.2s;
    }
    .main-nav a:hover,.main-nav a.active{color:var(--purple)}
    .main-nav a.active:after{
      content:"";
      height:3px;
      background:var(--apricot);
      border-radius:3px;
      position:absolute;
      left:0;
      right:0;
      bottom:0;
    }
    .header-action,.btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:7px;
      padding:11px 18px;
      border:1px solid var(--purple);
      border-radius:10px;
      background:var(--purple);
      color:#fff;
      font-weight:650;
      transition:.2s;
    }
    .header-action:hover,.btn-primary:hover{
      background:var(--purple-deep);
      border-color:var(--purple-deep);
      color:#fff;
      transform:translateY(-2px);
    }
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:10px 17px;
      border:1px solid #cbbbd2;
      border-radius:10px;
      color:var(--purple);
      background:#fff;
      font-weight:650;
      transition:.2s;
    }
    .btn-secondary:hover{
      color:var(--purple);
      border-color:var(--purple);
      background:var(--purple-soft);
      transform:translateY(-2px);
    }
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border:0;
      border-radius:10px;
      background:var(--purple-soft);
      color:var(--purple);
      font-size:21px;
    }
    .article-top{
      padding:54px 0 42px;
      background:linear-gradient(135deg,#f5eef7 0%,#fffaf5 62%,#f3f6e8 100%);
      border-bottom:1px solid var(--line);
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin:0 0 26px;
      color:var(--muted);
      font-size:13px;
    }
    .breadcrumb a{color:var(--purple)}
    .breadcrumb .slash{color:#b8aab8}
    .article-heading{
      max-width:900px;
    }
    .eyebrow,.section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--purple);
      font-size:13px;
      font-weight:700;
      letter-spacing:.04em;
    }
    .eyebrow:before,.section-kicker:before{
      content:"";
      width:22px;
      height:3px;
      border-radius:4px;
      background:var(--apricot);
    }
    .article-heading h1{
      margin:15px 0 18px;
      color:var(--purple-deep);
      font-size:clamp(32px,4.4vw,56px);
      line-height:1.2;
      letter-spacing:-.035em;
      font-weight:750;
    }
    .article-summary{
      max-width:820px;
      margin:0;
      color:var(--muted);
      font-size:17px;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 22px;
      margin-top:24px;
      color:var(--muted);
      font-size:13px;
    }
    .meta-item{display:inline-flex;align-items:center;gap:7px}
    .meta-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--lime-deep);
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 280px;
      gap:56px;
      align-items:start;
      padding:68px 0 86px;
    }
    .article-body{
      min-width:0;
      color:#403943;
      font-size:16px;
      line-height:1.95;
    }
    .article-body h2{
      margin:40px 0 16px;
      color:var(--purple-deep);
      font-size:28px;
      line-height:1.35;
    }
    .article-body h3{
      margin:30px 0 12px;
      color:var(--purple-deep);
      font-size:21px;
      line-height:1.45;
    }
    .article-body p{margin:0 0 20px}
    .article-body ul,.article-body ol{
      margin:18px 0 24px;
      padding-left:25px;
    }
    .article-body li{margin:7px 0}
    .article-body blockquote{
      margin:28px 0;
      padding:18px 22px;
      border-left:4px solid var(--lime);
      border-radius:0 12px 12px 0;
      background:#f3f6e8;
      color:#52612b;
    }
    .article-body img{
      width:100%;
      height:auto;
      margin:28px 0;
      border-radius:14px;
      background:var(--warm);
    }
    .article-body table{
      width:100%;
      margin:24px 0;
      border-collapse:collapse;
      background:#fff;
      border:1px solid var(--line);
      font-size:14px;
    }
    .article-body th,.article-body td{
      padding:11px 13px;
      border:1px solid var(--line);
      text-align:left;
    }
    .article-body th{
      background:var(--purple-soft);
      color:var(--purple-deep);
    }
    .article-body hr{
      border:0;
      border-top:1px solid var(--line);
      margin:34px 0;
    }
    .article-note{
      margin:30px 0;
      padding:20px 22px;
      border:1px solid #d9e5ad;
      border-radius:14px;
      background:#f7faec;
      color:#52612b;
    }
    .not-found{
      padding:42px 30px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      text-align:center;
    }
    .not-found h2{margin:0 0 10px;color:var(--purple-deep)}
    .not-found p{margin:0 0 22px;color:var(--muted)}
    .article-aside{
      position:sticky;
      top:104px;
    }
    .aside-card{
      padding:22px;
      margin-bottom:18px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow);
    }
    .aside-card h2{
      margin:0 0 15px;
      color:var(--purple-deep);
      font-size:18px;
      line-height:1.4;
    }
    .aside-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .aside-list{
      margin:0;
      padding:0;
      list-style:none;
    }
    .aside-list li{
      padding:10px 0;
      border-bottom:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
    }
    .aside-list li:last-child{border-bottom:0}
    .aside-list a:hover{color:var(--purple)}
    .status-line{
      display:flex;
      align-items:center;
      gap:8px;
      margin-bottom:12px;
      color:var(--lime-deep);
      font-size:13px;
      font-weight:700;
    }
    .status-line:before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--lime);
    }
    .related-section{
      padding:68px 0;
      background:var(--warm);
      border-top:1px solid var(--line);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:22px;
      margin-bottom:27px;
    }
    .section-head h2{
      margin:9px 0 0;
      color:var(--purple-deep);
      font-size:30px;
      line-height:1.3;
    }
    .section-head p{
      max-width:520px;
      margin:0;
      color:var(--muted);
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .related-card{
      display:flex;
      flex-direction:column;
      min-height:190px;
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      transition:.2s;
    }
    .related-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:#d2bddb;
    }
    .related-card .tag{
      color:var(--apricot);
      font-size:12px;
      font-weight:700;
    }
    .related-card h3{
      margin:12px 0 8px;
      color:var(--purple-deep);
      font-size:18px;
      line-height:1.45;
    }
    .related-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .related-card .read{
      margin-top:auto;
      padding-top:18px;
      color:var(--purple);
      font-size:13px;
      font-weight:700;
    }
    .article-cta{
      padding:64px 0;
      background:var(--purple-soft);
    }
    .cta-panel{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:25px;
      padding:30px 34px;
      border:1px solid #dfd1e6;
      border-radius:var(--radius);
      background:#fff;
    }
    .cta-panel h2{
      margin:0 0 7px;
      color:var(--purple-deep);
      font-size:26px;
    }
    .cta-panel p{margin:0;color:var(--muted)}
    .cta-actions{display:flex;flex-wrap:wrap;gap:10px;flex-shrink:0}
    .site-footer{
      padding:55px 0 22px;
      background:#33253c;
      color:#e9e1ec;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:38px;
      padding-bottom:40px;
    }
    .footer-brand{
      margin-bottom:12px;
      color:#fff;
      font-size:20px;
      font-weight:750;
    }
    .footer-grid p{
      max-width:290px;
      margin:0;
      color:#c6b9cb;
      font-size:13px;
    }
    .footer-col{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .footer-col h3{
      margin:0 0 8px;
      color:#fff;
      font-size:14px;
    }
    .footer-col a{
      color:#c6b9cb;
      font-size:13px;
      transition:.2s;
    }
    .footer-col a:hover{color:var(--lime)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.13);
      color:#b9aabd;
      font-size:12px;
    }
    .back-top{color:#e8dff0}
    .back-top:hover{color:var(--lime)}
    @media(max-width:1024px){
      .main-nav{gap:15px}
      .article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:32px}
      .related-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .site-header,.header-inner{height:68px}
      .main-nav{
        display:none;
        position:absolute;
        left:16px;
        right:16px;
        top:68px;
        padding:8px 18px 16px;
        flex-direction:column;
        align-items:stretch;
        gap:0;
        border:1px solid var(--line);
        border-radius:0 0 14px 14px;
        background:#fff;
        box-shadow:var(--shadow);
      }
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
      .main-nav a:last-child{border-bottom:0}
      .main-nav a.active:after{display:none}
      .header-action{margin-left:auto;padding:9px 12px;font-size:13px}
      .menu-toggle{display:block}
      .article-top{padding:38px 0 32px}
      .article-heading h1{font-size:36px}
      .article-layout{display:block;padding:45px 0 58px}
      .article-aside{
        position:static;
        display:grid;
        grid-template-columns:repeat(2,1fr);
        gap:15px;
        margin-top:35px;
      }
      .aside-card{margin:0}
      .cta-panel{display:block;padding:25px}
      .cta-actions{margin-top:20px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}
      .brand{font-size:16px;gap:8px}
      .brand-mark{width:30px;height:30px;border-radius:9px}
      .header-action{display:none}
      .article-heading h1{font-size:30px}
      .article-summary{font-size:15px}
      .article-body{font-size:15px}
      .article-body h2{font-size:24px}
      .article-aside,.related-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .cta-panel h2{font-size:22px}
      .cta-actions a{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .back-top{display:inline-block;margin-top:10px}
    }

/* roulang page: category2 */
:root{
      --purple:#673b83;--purple-deep:#4d2868;--purple-soft:#eee7f4;
      --lime:#b9d86a;--lime-deep:#718d28;--apricot:#e99b63;
      --ink:#28242c;--muted:#746b78;--paper:#fffdf9;--warm:#f5f1ec;
      --line:#e7dfda;--white:#fff;--radius:16px;
      --shadow:0 12px 30px rgba(65,42,70,.08);
      --shadow-hover:0 16px 34px rgba(65,42,70,.14);--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{height:76px;background:rgba(255,253,249,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--purple);font-weight:750;font-size:19px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);position:relative;display:grid;place-items:center}
    .brand-mark:before{content:"";width:14px;height:14px;border:3px solid var(--lime);border-left-color:transparent;border-radius:50%;transform:rotate(-35deg)}
    .brand-mark:after{content:"";position:absolute;width:7px;height:3px;background:var(--lime);right:5px;top:15px;transform:rotate(-35deg);border-radius:3px}
    .main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}
    .main-nav a{font-size:14px;color:#625968;position:relative;padding:26px 0;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:var(--purple)}
    .main-nav a.active:after{content:"";height:3px;background:var(--apricot);border-radius:3px;position:absolute;bottom:0;left:0;right:0}
    .header-action,.btn-primary{background:var(--purple);color:#fff;border:1px solid var(--purple);border-radius:10px;padding:11px 18px;font-weight:650;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:7px}
    .header-action:hover,.btn-primary:hover{background:var(--purple-deep);border-color:var(--purple-deep);transform:translateY(-2px)}
    .btn-secondary{background:#fff;border:1px solid #cbbbd2;color:var(--purple);border-radius:10px;padding:11px 18px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:.2s}
    .btn-secondary:hover{border-color:var(--purple);background:var(--purple-soft);transform:translateY(-2px)}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(233,155,99,.6);outline-offset:3px}
    .menu-toggle{display:none;border:0;background:var(--purple-soft);color:var(--purple);width:42px;height:42px;border-radius:10px;font-size:21px}
    main{overflow:hidden}
    .page-heading{padding:42px 0 38px;background:linear-gradient(110deg,#f5eef7,#fffaf5)}
    .breadcrumb{margin:0 0 18px;color:var(--muted);font-size:13px}
    .breadcrumb a{color:var(--purple)}
    .heading-row{display:flex;justify-content:space-between;align-items:end;gap:30px}
    .section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-weight:700;font-size:13px;letter-spacing:.05em}
    .section-kicker:before{content:"";width:22px;height:3px;background:var(--apricot);border-radius:5px}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.18;color:var(--purple-deep);letter-spacing:-.04em;margin:13px 0 12px;font-weight:750}
    .heading-copy{max-width:570px;color:var(--muted);font-size:16px;margin:0}
    .heading-note{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 20px;min-width:220px;box-shadow:var(--shadow)}
    .heading-note strong{display:block;color:var(--purple-deep);font-size:21px}
    .heading-note span{font-size:12px;color:var(--muted)}
    section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
    .section-head h2{font-size:31px;line-height:1.25;color:var(--purple-deep);margin:9px 0 0}
    .section-head p{color:var(--muted);max-width:540px;margin:0}
    .intro-panel{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .intro-copy,.signal-panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:30px;box-shadow:var(--shadow)}
    .intro-copy h2{color:var(--purple-deep);font-size:28px;margin-bottom:13px}
    .intro-copy p{color:var(--muted);max-width:650px}
    .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
    .tag{display:inline-flex;padding:5px 11px;border-radius:20px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:650}
    .tag.lime{background:#edf5d9;color:var(--lime-deep)}
    .signal-panel{background:var(--purple);color:#fff}
    .signal-panel h3{font-size:20px;margin-bottom:18px}
    .signal-line{display:flex;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.2);padding:12px 0;font-size:13px}
    .signal-line:last-child{border-bottom:0}
    .signal-line b{color:var(--lime)}
    .device-compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .device-box{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:28px;min-height:250px}
    .device-box.mobile{background:#f1f5e5;border-color:#dfe9bd}
    .device-icon{width:45px;height:55px;border:3px solid var(--purple);border-radius:9px;margin-bottom:18px;position:relative}
    .device-icon:after{content:"";position:absolute;left:50%;bottom:5px;width:6px;height:6px;background:var(--apricot);border-radius:50%;transform:translateX(-50%)}
    .device-box h3{font-size:21px;color:var(--purple-deep);margin-bottom:8px}
    .device-box p{color:var(--muted);margin-bottom:16px}
    .mini-list{padding:0;margin:0;list-style:none;display:grid;gap:8px;color:#564d58;font-size:13px}
    .mini-list li:before{content:"✓";color:var(--lime-deep);font-weight:bold;margin-right:8px}
    .content-section{background:var(--warm)}
    .content-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:26px}
    .post-list{display:grid;gap:12px}
    .post-card{display:grid;grid-template-columns:70px 1fr auto;gap:18px;align-items:center;padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.2s}
    .post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .post-index{width:54px;height:54px;border-radius:14px;background:var(--purple-soft);color:var(--purple);display:grid;place-items:center;font-size:20px;font-weight:750}
    .post-card h3{font-size:18px;color:var(--purple-deep);margin:5px 0 4px}
    .post-card p{color:var(--muted);font-size:13px;margin:0}
    .post-meta{font-size:12px;color:var(--apricot);white-space:nowrap}
    .more-link{display:inline-flex;color:var(--purple);font-weight:700;margin-top:20px}
    .more-link:hover{text-decoration:underline}
    .aside-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;height:max-content}
    .aside-panel h3{color:var(--purple-deep);font-size:20px}
    .aside-panel p{font-size:13px;color:var(--muted)}
    .aside-step{border-left:3px solid var(--lime);padding:8px 0 8px 14px;margin-top:14px}
    .aside-step b{display:block;color:var(--ink);font-size:14px}
    .aside-step span{font-size:12px;color:var(--muted)}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .flow-item{padding:25px 22px 10px;border-right:1px solid var(--line);position:relative}
    .flow-item:last-child{border-right:0}
    .flow-num{color:var(--apricot);font-size:28px;font-weight:750}
    .flow-item h3{font-size:17px;color:var(--purple-deep);margin:8px 0 5px}
    .flow-item p{font-size:13px;color:var(--muted);margin:0}
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .scenario{padding:24px;background:#fff;border:1px solid var(--line);border-radius:14px}
    .scenario strong{display:block;color:var(--purple-deep);font-size:18px;margin-bottom:8px}
    .scenario p{font-size:13px;color:var(--muted);margin:0}
    .faq-wrap{max-width:850px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;background:none;border:0;text-align:left;padding:19px 4px;color:var(--ink);font-weight:650;display:flex;justify-content:space-between;gap:20px}
    .faq-question span{color:var(--purple);font-size:20px;transition:.2s}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 19px 4px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .assist{background:#edf5d9;border:1px solid #dce8b6;border-radius:var(--radius);padding:28px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .assist h2{color:#4c6420;font-size:25px;margin-bottom:6px}
    .assist p{color:#5c6842;margin:0}
    .cta{padding:55px 0}
    .cta-box{background:var(--purple-soft);border-radius:20px;padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-box h2{color:var(--purple-deep);font-size:28px;margin:0 0 6px}
    .cta-box p{color:var(--muted);margin:0}
    .site-footer{background:#302738;color:#e9e1eb;padding:54px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{font-size:21px;font-weight:750;color:#fff;margin-bottom:12px}
    .site-footer p{color:#bdb2c2;font-size:13px;max-width:280px}
    .footer-col{display:grid;align-content:start;gap:8px}
    .footer-col h3{font-size:14px;color:var(--lime);margin-bottom:8px}
    .footer-col a{color:#c9becd;font-size:13px;transition:.2s}
    .footer-col a:hover{color:#fff;padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;color:#a99eae;font-size:12px}
    .back-top{color:var(--lime)}
    @media(max-width:900px){
      .main-nav{gap:14px}.header-inner{gap:15px}
      .intro-panel,.content-layout{grid-template-columns:1fr}
      .heading-row{align-items:start;flex-direction:column}.heading-note{min-width:0}
      .flow{grid-template-columns:repeat(2,1fr)}
      .flow-item:nth-child(2){border-right:0}.flow-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .site-header,.header-inner{height:68px}
      .main-nav{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .main-nav.show{display:flex}.main-nav a{padding:13px 0}.main-nav a.active:after{bottom:5px;right:auto;width:45px}
      .header-action{padding:9px 12px;font-size:13px}.menu-toggle{display:block}
      section{padding:58px 0}.page-heading{padding:30px 0}
      h1{font-size:39px}.section-head{display:block}.section-head h2{font-size:27px;margin-bottom:8px}
      .device-compare,.scenario-grid{grid-template-columns:1fr}
      .post-card{grid-template-columns:52px 1fr}.post-meta{grid-column:2}
      .assist,.cta-box{display:block}.assist .btn-primary,.cta-box .btn-primary{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.back-top{display:inline-block;margin-top:12px}
    }
    @media(max-width:480px){
      .brand{font-size:16px}.brand-mark{width:30px;height:30px}
      .header-action{display:none}.hero-actions{display:grid}.hero-actions a{width:100%}
      h1{font-size:34px}.post-card{padding:17px;gap:12px}.post-card h3{font-size:16px}
      .flow{grid-template-columns:1fr}.flow-item{border-right:0!important;border-bottom:1px solid var(--line)!important}
      .footer-grid{grid-template-columns:1fr}.cta-box{padding:27px 23px}
    }

/* roulang page: category1 */
:root{--purple:#673b83;--purple-deep:#4d2868;--purple-soft:#eee7f4;--lime:#b9d86a;--lime-deep:#718d28;--apricot:#e99b63;--ink:#28242c;--muted:#746b78;--paper:#fffdf9;--warm:#f5f1ec;--line:#e7dfda;--white:#fff;--radius:16px;--shadow:0 12px 30px rgba(65,42,70,.08);--shadow-hover:0 16px 34px rgba(65,42,70,.14);--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.site-header{height:76px;background:rgba(255,253,249,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.header-inner{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;color:var(--purple);font-weight:750;font-size:19px;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);position:relative;display:grid;place-items:center}.brand-mark:before{content:"";width:14px;height:14px;border:3px solid var(--lime);border-left-color:transparent;border-radius:50%;transform:rotate(-35deg)}.brand-mark:after{content:"";position:absolute;width:7px;height:3px;background:var(--lime);right:5px;top:15px;transform:rotate(-35deg);border-radius:3px}
.main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}.main-nav a{font-size:14px;color:#625968;position:relative;padding:26px 0;transition:.2s}.main-nav a:hover,.main-nav a.active{color:var(--purple)}.main-nav a.active:after{content:"";height:3px;background:var(--apricot);border-radius:3px;position:absolute;bottom:0;left:0;right:0}
.header-action,.btn-primary{background:var(--purple);color:#fff;border:1px solid var(--purple);border-radius:10px;padding:11px 18px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:.2s}.header-action:hover,.btn-primary:hover{background:var(--purple-deep);border-color:var(--purple-deep);transform:translateY(-2px)}.btn-secondary{background:#fff;border:1px solid #cbbbd2;color:var(--purple);border-radius:10px;padding:11px 18px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:.2s}.btn-secondary:hover{border-color:var(--purple);background:var(--purple-soft);transform:translateY(-2px)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(233,155,99,.55);outline-offset:3px}.menu-toggle{display:none;border:0;background:var(--purple-soft);color:var(--purple);width:42px;height:42px;border-radius:10px;font-size:21px}
.page-head{padding:54px 0 48px;background:linear-gradient(135deg,#f5eef7,#fffaf5 65%,#f3f6e8)}.crumbs{font-size:13px;color:var(--muted);margin-bottom:22px}.crumbs a{color:var(--purple)}.page-head-grid{display:grid;grid-template-columns:1fr 330px;gap:60px;align-items:end}.kicker,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-weight:700;font-size:13px;letter-spacing:.04em}.kicker:before,.section-kicker:before{content:"";width:22px;height:3px;background:var(--apricot);border-radius:5px}.page-head h1{font-size:clamp(34px,5vw,58px);line-height:1.18;color:var(--purple-deep);margin:15px 0 16px;letter-spacing:-.04em}.page-head p{max-width:700px;color:var(--muted);font-size:17px;margin:0}.head-note{background:#fff;border:1px solid var(--line);padding:22px;border-radius:16px;box-shadow:var(--shadow)}.head-note strong{display:block;color:var(--purple);font-size:25px}.head-note span{font-size:13px;color:var(--muted)}
section{padding:76px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.section-head h2{font-size:31px;line-height:1.25;color:var(--purple-deep);margin:9px 0 0}.section-head p{color:var(--muted);max-width:550px;margin:0}.topic-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.topic{background:#fff;padding:24px 22px;min-height:150px;transition:.2s}.topic:hover{background:#fbf7fc;transform:translateY(-2px)}.topic-no{color:var(--apricot);font-weight:750;font-size:14px}.topic h3{font-size:18px;color:var(--purple-deep);margin:13px 0 7px}.topic p{font-size:13px;color:var(--muted);margin:0}
.directory{display:grid;grid-template-columns:300px 1fr;gap:28px}.directory-side{background:var(--purple);color:#fff;border-radius:var(--radius);padding:28px;min-height:330px}.directory-side h3{font-size:22px;margin:0 0 16px}.directory-side p{color:#eee5f2;font-size:14px}.directory-side ul{padding:0;margin:22px 0 0;list-style:none}.directory-side li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.18);font-size:13px}.directory-side li:before{content:"•";color:var(--lime);margin-right:9px}.content-list{display:grid;gap:12px}.content-row{display:grid;grid-template-columns:70px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:19px 22px;transition:.2s}.content-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.row-index{font-size:26px;color:var(--apricot);font-weight:750}.content-row h3{font-size:17px;color:var(--purple-deep);margin:0 0 5px}.content-row p{font-size:13px;color:var(--muted);margin:0}.row-link{color:var(--purple);font-weight:700;font-size:13px;white-space:nowrap}.empty-state{padding:30px;border:1px dashed #cbbbd2;background:#fff;border-radius:14px;color:var(--muted)}
.split-panel{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:stretch}.info-block{background:var(--warm);border-radius:var(--radius);padding:32px}.info-block h2{color:var(--purple-deep);font-size:27px;margin:0 0 13px}.info-block p{color:var(--muted)}.check-list{list-style:none;padding:0;margin:22px 0 0}.check-list li{display:flex;gap:10px;margin:12px 0;color:#514853}.check-list li:before{content:"✓";width:22px;height:22px;flex:0 0 22px;text-align:center;background:var(--lime);color:#42531d;border-radius:50%;font-weight:700}.access-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.access-card h3{color:var(--purple-deep);margin-top:0}.access-step{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}.access-step:last-child{border-bottom:0}.access-step b{background:var(--purple-soft);color:var(--purple);width:28px;height:28px;text-align:center;border-radius:50%;flex:0 0 28px}.access-step strong{display:block}.access-step span{font-size:13px;color:var(--muted)}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}.guide-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.guide-card .icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--purple-soft);color:var(--purple);font-weight:750}.guide-card h3{font-size:18px;color:var(--purple-deep);margin:17px 0 7px}.guide-card p{color:var(--muted);font-size:14px;margin:0}
.faq-wrap{max-width:850px}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;border:0;background:transparent;text-align:left;padding:20px 4px;color:var(--purple-deep);font-weight:700;display:flex;justify-content:space-between;align-items:center}.faq-question span{font-size:22px;color:var(--apricot);transition:.2s}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 19px 4px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
.cta{background:var(--purple-soft);border-radius:20px;padding:38px 44px;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{color:var(--purple-deep);font-size:28px;margin:0 0 7px}.cta p{color:var(--muted);margin:0}
.site-footer{background:#302638;color:#eee5f2;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}.footer-brand{color:#fff;font-size:20px;font-weight:750;margin-bottom:12px}.footer-grid p{font-size:13px;color:#c9bdcf;max-width:300px}.footer-col{display:flex;flex-direction:column;gap:9px}.footer-col h3{color:var(--lime);font-size:14px;margin:0 0 7px}.footer-col a{font-size:13px;color:#c9bdcf;transition:.2s}.footer-col a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;color:#b9acbf;font-size:12px}.back-top:hover{color:var(--lime)}
@media(max-width:900px){.main-nav{gap:15px}.page-head-grid,.directory,.split-panel{grid-template-columns:1fr}.head-note{max-width:360px}.topic-strip{grid-template-columns:repeat(2,1fr)}.guide-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.site-header,.header-inner{height:68px}.header-action{display:none}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;padding:12px 20px 20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.main-nav.show{display:flex}.main-nav a{padding:13px 0;border-bottom:1px solid var(--line)}.main-nav a.active:after{display:none}.page-head{padding:42px 0 38px}section{padding:58px 0}.content-row{grid-template-columns:42px 1fr}.row-link{grid-column:2}.cta{padding:30px;display:block}.cta .btn-primary{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){.brand{font-size:16px}.brand-mark{width:30px;height:30px}.page-head h1{font-size:35px}.page-head p{font-size:15px}.topic-strip,.guide-grid{grid-template-columns:1fr}.section-head{display:block}.section-head h2{font-size:26px}.section-head p{margin-top:10px}.directory-side,.info-block,.access-card{padding:24px}.content-row{padding:16px}.content-row h3{font-size:16px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-bottom{display:block}.back-top{display:inline-block;margin-top:10px}}

/* roulang page: category3 */
:root{
      --purple:#673b83;
      --purple-deep:#4d2868;
      --purple-soft:#eee7f4;
      --lime:#b9d86a;
      --lime-deep:#718d28;
      --apricot:#e99b63;
      --ink:#28242c;
      --muted:#746b78;
      --paper:#fffdf9;
      --warm:#f5f1ec;
      --line:#e7dfda;
      --white:#fff;
      --radius:16px;
      --shadow:0 12px 30px rgba(65,42,70,.08);
      --shadow-hover:0 16px 34px rgba(65,42,70,.14);
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{height:76px;background:rgba(255,253,249,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--purple);font-weight:750;font-size:19px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);position:relative;display:grid;place-items:center}
    .brand-mark:before{content:"";width:14px;height:14px;border:3px solid var(--lime);border-left-color:transparent;border-radius:50%;transform:rotate(-35deg)}
    .brand-mark:after{content:"";position:absolute;width:7px;height:3px;background:var(--lime);right:5px;top:15px;transform:rotate(-35deg);border-radius:3px}
    .main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}
    .main-nav a{font-size:14px;color:#625968;position:relative;padding:26px 0;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:var(--purple)}
    .main-nav a.active:after{content:"";height:3px;background:var(--apricot);border-radius:3px;position:absolute;bottom:0;left:0;right:0}
    .header-action,.btn-primary{background:var(--purple);color:#fff;border:1px solid var(--purple);border-radius:10px;padding:11px 18px;font-weight:650;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:7px}
    .header-action:hover,.btn-primary:hover{background:var(--purple-deep);border-color:var(--purple-deep);transform:translateY(-2px)}
    .btn-secondary{background:#fff;border:1px solid #cbbbd2;color:var(--purple);border-radius:10px;padding:11px 18px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:.2s}
    .btn-secondary:hover{border-color:var(--purple);background:var(--purple-soft);transform:translateY(-2px)}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(233,155,99,.55);outline-offset:3px}
    .menu-toggle{display:none;border:0;background:var(--purple-soft);color:var(--purple);width:42px;height:42px;border-radius:10px;font-size:21px}
    .page-intro{padding:54px 0 44px;background:linear-gradient(135deg,#f5eef7,#fffaf5 62%,#f3f6e8)}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:22px}
    .breadcrumb a{color:var(--purple)}
    .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:55px;align-items:end}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-weight:700;font-size:13px;letter-spacing:.05em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;background:var(--apricot);border-radius:5px}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:-.04em;color:var(--purple-deep);margin:15px 0}
    .intro-copy{font-size:17px;color:var(--muted);max-width:700px}
    .intro-note{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow)}
    .intro-note strong{display:block;color:var(--purple-deep);font-size:18px;margin-bottom:9px}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
    .tag{display:inline-flex;padding:5px 10px;border-radius:20px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:650}
    section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
    .section-head h2{font-size:31px;line-height:1.25;color:var(--purple-deep);margin:8px 0 0}
    .section-head p{color:var(--muted);max-width:540px;margin-bottom:0}
    .download-zone{background:var(--purple-deep);color:#fff;border-radius:22px;padding:38px;display:grid;grid-template-columns:1fr .8fr;gap:35px;box-shadow:var(--shadow)}
    .download-zone h2{font-size:31px;line-height:1.3;margin:10px 0 14px}
    .download-zone p{color:#e9dff0;max-width:600px}
    .download-meta{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}
    .download-meta span{font-size:12px;border:1px solid rgba(255,255,255,.28);padding:5px 10px;border-radius:20px;color:#f5f0f7}
    .download-zone .btn-primary{background:var(--lime);border-color:var(--lime);color:#3d4c1d}
    .download-zone .btn-primary:hover{background:#c9e57f;border-color:#c9e57f}
    .qr-card{background:#fff;border-radius:16px;padding:22px;color:var(--ink);display:flex;align-items:center;gap:20px}
    .qr-box{width:116px;height:116px;border:8px solid #f1ece6;background:repeating-linear-gradient(45deg,#673b83 0 5px,#fff 5px 10px);border-radius:8px;flex:0 0 auto}
    .qr-card h3{font-size:17px;color:var(--purple-deep);margin-bottom:7px}
    .qr-card p{font-size:13px;color:var(--muted);margin:0}
    .content-layout{display:grid;grid-template-columns:1fr 310px;gap:28px}
    .content-list{display:grid;gap:13px}
    .content-item{display:grid;grid-template-columns:68px 1fr auto;gap:18px;align-items:center;padding:20px 22px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.2s}
    .content-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#d1bdd9}
    .item-icon{width:58px;height:58px;border-radius:15px;background:var(--purple-soft);color:var(--purple);display:grid;place-items:center;font-size:21px;font-weight:750}
    .content-item h3{font-size:18px;color:var(--purple-deep);margin:0 0 5px}
    .content-item p{color:var(--muted);font-size:13px;margin:0}
    .item-meta{font-size:12px;color:var(--apricot);white-space:nowrap}
    .empty-state{padding:28px;background:#fff;border:1px dashed #cdbfd1;border-radius:14px;color:var(--muted)}
    .side-card{background:var(--warm);border-radius:16px;padding:24px;height:max-content}
    .side-card h3{font-size:19px;color:var(--purple-deep);margin-bottom:14px}
    .side-card ul{padding:0;margin:0;list-style:none}
    .side-card li{padding:12px 0;border-bottom:1px solid var(--line);color:#554b58}
    .side-card li:last-child{border-bottom:0}
    .side-card li:before{content:"•";color:var(--apricot);font-size:20px;margin-right:9px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
    .step{background:#fff;padding:25px 22px;min-height:185px}
    .step-num{color:var(--apricot);font-weight:750;font-size:14px}
    .step h3{font-size:18px;color:var(--purple-deep);margin:13px 0 8px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .device-compare{display:grid;grid-template-columns:.8fr 1.2fr;gap:25px;align-items:stretch}
    .compare-copy{padding:29px;background:var(--warm);border-radius:17px}
    .compare-copy h2{font-size:28px;color:var(--purple-deep);margin:9px 0 14px}
    .compare-copy p{color:var(--muted)}
    .compare-list{display:grid;gap:9px;margin-top:20px}
    .compare-list div{padding:11px 13px;border-radius:10px;background:#fff;color:#514853;font-size:13px}
    .device-stage{background:#f3eee8;border-radius:20px;min-height:310px;padding:28px;display:flex;align-items:center;justify-content:center;position:relative}
    .phone{width:180px;height:265px;border:8px solid var(--purple-deep);border-radius:25px;background:#fff;padding:18px 12px;box-shadow:var(--shadow)}
    .phone-top{width:58px;height:5px;border-radius:5px;background:#d8cde0;margin:0 auto 18px}
    .device-row{height:39px;border-radius:9px;background:#faf6ef;margin:8px 0;padding:9px;color:var(--purple);font-size:11px}
    .device-row.active{background:var(--lime);color:#455320}
    .device-tag{position:absolute;right:22px;top:27px;background:#fff;padding:10px 13px;border-radius:11px;color:var(--purple);box-shadow:var(--shadow);font-size:12px}
    .faq-wrap{max-width:850px}
    .faq-item{border-bottom:1px solid var(--line);background:#fff}
    .faq-item:first-child{border-top:1px solid var(--line)}
    .faq-item summary{list-style:none;cursor:pointer;padding:19px 42px 19px 0;font-weight:700;color:var(--purple-deep);position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:5px;color:var(--apricot);font-size:22px;top:15px}
    .faq-item[open] summary:after{content:"–"}
    .faq-answer{padding:0 30px 20px 0;color:var(--muted);font-size:14px}
    .cta-band{background:var(--purple-soft);border:1px solid #dfd0e5;border-radius:20px;padding:35px 40px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-band h2{font-size:28px;color:var(--purple-deep);margin:8px 0}
    .cta-band p{color:var(--muted);margin:0}
    .site-footer{background:#302737;color:#eee4f1;padding:55px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer-brand{font-size:20px;font-weight:750;color:#fff;margin-bottom:12px}
    .footer-grid p{color:#c6b9ca;font-size:13px;max-width:300px}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{font-size:14px;color:var(--lime);margin-bottom:7px}
    .footer-col a{font-size:13px;color:#c6b9ca;transition:.2s}
    .footer-col a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#aa9eae;font-size:12px}
    .back-top{color:var(--lime)}
    @media(max-width:900px){
      .main-nav{gap:14px}
      .intro-grid,.download-zone,.device-compare{grid-template-columns:1fr}
      .content-layout{grid-template-columns:1fr}
      .steps{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .site-header,.header-inner{height:68px}
      .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;padding:18px 24px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:0}
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 0;width:100%}
      .main-nav a.active:after{bottom:5px;right:auto;width:35px}
      .header-action{margin-left:auto;padding:9px 12px;font-size:13px}
      .menu-toggle{display:block}
      section{padding:58px 0}
      .page-intro{padding:38px 0}
      .download-zone{padding:27px}
      .content-item{grid-template-columns:52px 1fr}
      .item-icon{width:48px;height:48px}
      .item-meta{grid-column:2}
      .cta-band{display:block;padding:28px}
      .cta-band .btn-primary{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      h1{font-size:36px}
      .section-head{display:block}
      .section-head h2{font-size:27px}
      .steps{grid-template-columns:1fr}
      .qr-card{display:block}
      .qr-box{margin-bottom:15px}
      .device-tag{right:10px;top:15px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .back-top{display:inline-block;margin-top:12px}
    }

/* roulang page: category4 */
:root{
      --purple:#673b83;
      --purple-deep:#4d2868;
      --purple-soft:#eee7f4;
      --lime:#b9d86a;
      --lime-deep:#718d28;
      --apricot:#e99b63;
      --ink:#28242c;
      --muted:#746b78;
      --paper:#fffdf9;
      --warm:#f5f1ec;
      --line:#e7dfda;
      --white:#ffffff;
      --radius:16px;
      --shadow:0 12px 30px rgba(65,42,70,.08);
      --shadow-hover:0 16px 34px rgba(65,42,70,.14);
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,select{font:inherit}
    button{cursor:pointer}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(233,155,99,.55);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{height:76px;background:rgba(255,253,249,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--purple);font-weight:750;font-size:19px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);position:relative;display:grid;place-items:center}
    .brand-mark:before{content:"";width:14px;height:14px;border:3px solid var(--lime);border-left-color:transparent;border-radius:50%;transform:rotate(-35deg)}
    .brand-mark:after{content:"";position:absolute;width:7px;height:3px;background:var(--lime);right:5px;top:15px;transform:rotate(-35deg);border-radius:3px}
    .main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}
    .main-nav a{font-size:14px;color:#625968;position:relative;padding:26px 0;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:var(--purple)}
    .main-nav a.active:after{content:"";height:3px;background:var(--apricot);border-radius:3px;position:absolute;bottom:0;left:0;right:0}
    .header-action,.btn-primary{background:var(--purple);color:#fff;border:1px solid var(--purple);border-radius:10px;padding:11px 18px;font-weight:650;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:7px}
    .header-action:hover,.btn-primary:hover{background:var(--purple-deep);border-color:var(--purple-deep);transform:translateY(-2px);color:#fff}
    .btn-secondary{background:var(--white);border:1px solid #cbbbd2;color:var(--purple);border-radius:10px;padding:11px 18px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:.2s}
    .btn-secondary:hover{border-color:var(--purple);background:var(--purple-soft);transform:translateY(-2px)}
    .menu-toggle{display:none;border:0;background:var(--purple-soft);color:var(--purple);width:42px;height:42px;border-radius:10px;font-size:21px}
    .page-intro{padding:54px 0 42px;background:linear-gradient(135deg,#f5eef7 0%,#fffaf5 62%,#f3f6e8 100%);border-bottom:1px solid var(--line)}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:24px}
    .crumbs a{color:var(--purple)}
    .intro-layout{display:grid;grid-template-columns:1fr 360px;gap:48px;align-items:end}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-weight:700;font-size:13px;letter-spacing:.04em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;background:var(--apricot);border-radius:5px}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-.04em;color:var(--purple-deep);margin:15px 0 16px;font-weight:750}
    .intro-copy{max-width:680px;color:var(--muted);font-size:17px;margin-bottom:0}
    .intro-note{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
    .intro-note strong{display:block;color:var(--purple-deep);font-size:20px;margin-bottom:8px}
    .intro-note p{color:var(--muted);font-size:13px;margin-bottom:0}
    section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
    .section-head h2{font-size:32px;line-height:1.25;color:var(--purple-deep);margin:9px 0 0}
    .section-head p{color:var(--muted);max-width:560px;margin-bottom:0}
    .topic-strip{display:flex;gap:10px;flex-wrap:wrap}
    .topic-strip span,.news-tag,.meta-chip{display:inline-flex;align-items:center;border-radius:20px;padding:5px 11px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:650}
    .topic-strip span:nth-child(2){background:#f6eadf;color:#9b5c2f}
    .topic-strip span:nth-child(3){background:#edf5d9;color:var(--lime-deep)}
    .news-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:22px;align-items:start}
    .news-list{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);overflow:hidden}
    .news-row{display:grid;grid-template-columns:92px 1fr 90px;gap:18px;align-items:start;padding:23px 25px;border-bottom:1px solid var(--line);transition:.2s}
    .news-row:last-child{border-bottom:0}
    .news-row:hover{background:#fcf9fd}
    .news-date{color:var(--apricot);font-size:13px;font-weight:700;padding-top:3px}
    .news-row h3{font-size:19px;line-height:1.42;color:var(--purple-deep);margin-bottom:7px}
    .news-row p{font-size:13px;color:var(--muted);margin-bottom:10px}
    .news-arrow{color:var(--purple);font-size:20px;text-align:right;transition:.2s}
    .news-row:hover .news-arrow{transform:translateX(4px)}
    .empty-state{padding:38px 26px;color:var(--muted);background:#fff;text-align:center;border:1px dashed #cdbfd1;border-radius:var(--radius)}
    .empty-state strong{display:block;color:var(--purple-deep);margin-bottom:5px}
    .filter-panel{background:var(--purple-deep);color:#fff;border-radius:var(--radius);padding:28px;position:sticky;top:104px}
    .filter-panel h3{font-size:22px;margin-bottom:8px}
    .filter-panel p{color:#ded2e4;font-size:13px;margin-bottom:22px}
    .filter-panel label{display:block;font-size:12px;color:#eadff0;margin:14px 0 6px}
    .filter-panel select,.filter-panel input{width:100%;border:1px solid rgba(255,255,255,.23);border-radius:9px;background:rgba(255,255,255,.1);color:#fff;padding:10px 12px}
    .filter-panel option{color:var(--ink)}
    .filter-panel .btn-primary{width:100%;margin-top:19px;background:var(--lime);border-color:var(--lime);color:#3d4c1d}
    .filter-panel .btn-primary:hover{background:#c9e57f;border-color:#c9e57f}
    .update-band{background:var(--warm);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .update-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}
    .update-grid h2{font-size:30px;line-height:1.3;color:var(--purple-deep);margin:10px 0 13px}
    .update-grid p{color:var(--muted);margin-bottom:0}
    .update-points{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .update-point{background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px}
    .update-point b{display:block;color:var(--purple);margin-bottom:4px}
    .update-point span{font-size:13px;color:var(--muted)}
    .timeline{position:relative;max-width:900px;margin:0 auto}
    .timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:#ded2e3}
    .timeline-item{position:relative;padding:0 0 28px 38px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-dot{position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:var(--apricot);border:4px solid #f9eee7}
    .timeline-item h3{font-size:19px;color:var(--purple-deep);margin-bottom:5px}
    .timeline-item time{font-size:12px;color:var(--apricot);font-weight:700}
    .timeline-item p{font-size:14px;color:var(--muted);margin:5px 0 0}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .guide-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;transition:.2s}
    .guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .guide-no{color:var(--apricot);font-size:13px;font-weight:750}
    .guide-card h3{font-size:19px;color:var(--purple-deep);margin:10px 0 7px}
    .guide-card p{font-size:13px;color:var(--muted);margin-bottom:0}
    .faq-wrap{max-width:900px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{list-style:none;cursor:pointer;padding:19px 3px;color:var(--purple-deep);font-weight:700;display:flex;justify-content:space-between;gap:20px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--apricot);font-size:22px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{color:var(--muted);font-size:14px;padding:0 32px 19px 3px}
    .cta-panel{background:var(--purple-soft);border:1px solid #dfd1e7;border-radius:var(--radius);padding:38px 42px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-panel h2{color:var(--purple-deep);font-size:29px;margin-bottom:8px}
    .cta-panel p{color:var(--muted);margin-bottom:0}
    .site-footer{background:#302739;color:#e9e1ec;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:36px}
    .footer-brand{color:#fff;font-size:20px;font-weight:750;margin-bottom:10px}
    .site-footer p{color:#c2b6c8;font-size:13px;max-width:280px}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{font-size:14px;color:var(--lime);margin-bottom:5px}
    .footer-col a{color:#c9bdcf;font-size:13px;transition:.2s}
    .footer-col a:hover{color:#fff;padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#bdb0c3;font-size:12px}
    .back-top{color:var(--lime)}
    @media (max-width:1024px){
      .intro-layout,.update-grid{grid-template-columns:1fr}
      .intro-note{max-width:520px}
      .news-layout{grid-template-columns:1fr}
      .filter-panel{position:static}
    }
    @media (max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .site-header,.header-inner{height:68px}
      .main-nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 16px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}
      .main-nav.open{display:flex}
      .main-nav a{padding:13px 4px}
      .main-nav a.active:after{left:0;right:auto;bottom:7px;width:30px}
      .header-action{margin-left:auto;padding:9px 13px;font-size:13px}
      .menu-toggle{display:block}
      .brand{font-size:16px}
      .brand-mark{width:30px;height:30px}
      .page-intro{padding:40px 0 34px}
      section{padding:58px 0}
      .section-head{display:block}
      .section-head h2{font-size:27px}
      .section-head p{margin-top:10px}
      .news-row{grid-template-columns:70px 1fr}
      .news-arrow{display:none}
      .guide-grid{grid-template-columns:1fr}
      .update-points{grid-template-columns:1fr}
      .cta-panel{display:block;padding:29px 25px}
      .cta-panel .btn-primary{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:480px){
      h1{font-size:34px}
      .intro-copy{font-size:15px}
      .news-row{grid-template-columns:1fr;gap:5px;padding:20px}
      .news-date{order:0}
      .news-row h3{font-size:17px}
      .filter-panel{padding:22px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .back-top{display:inline-block;margin-top:12px}
    }