/* roulang page: index */
:root{
  --green:#0b3d35;--green-deep:#082b27;--green-soft:#dcebe2;--cream:#f5f2ea;
  --paper:#fffdf8;--ink:#18332e;--muted:#6c7d76;--line:#d8e1d9;--coral:#d87555;
  --coral-dark:#bd5e42;--champagne:#d8bd88;--radius-lg:22px;--radius-md:15px;
  --shadow:0 18px 45px rgba(20,56,47,.10);--container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;background:var(--cream);color:var(--ink);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,234,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(11,61,53,.09)}
.navbar{height:78px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:10px;color:var(--green);font-weight:800;font-size:17px;white-space:nowrap}
.logo-mark{width:35px;height:35px;border:2px solid var(--green);border-radius:11px 18px 11px 18px;position:relative;transform:rotate(-10deg)}
.logo-mark:after{content:"";position:absolute;width:10px;height:10px;background:var(--coral);border-radius:50%;right:4px;top:4px}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-links a{padding:9px 13px;color:#47645c;font-size:14px;border-radius:9px;position:relative}
.nav-links a:after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;background:var(--coral);transform:scaleX(0);transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--green);background:var(--green-soft)}
.nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:11px;font-weight:700;font-size:14px;transition:.25s}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 9px 20px rgba(189,94,66,.22)}
.btn-outline{border-color:var(--green);color:var(--green);background:transparent}
.btn-outline:hover{background:var(--green-soft);transform:translateY(-2px)}
.nav-download{min-height:42px;padding:0 16px}
.menu-toggle{display:none;border:0;background:transparent;color:var(--green);font-size:25px}
.hero{position:relative;overflow:hidden;padding:84px 0 70px;background:var(--cream)}
.hero:before{content:"";position:absolute;right:-120px;top:-180px;width:600px;height:600px;border-radius:50%;background:var(--green);opacity:.96}
.hero:after{content:"";position:absolute;right:80px;top:85px;width:300px;height:300px;border:1px solid rgba(216,189,136,.38);border-radius:50%;box-shadow:0 0 0 26px rgba(216,189,136,.08),0 0 0 54px rgba(216,189,136,.05)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--coral)}
h1{font-size:clamp(34px,4.2vw,52px);line-height:1.22;letter-spacing:-.04em;color:var(--green);margin:18px 0 20px}
.hero-copy p{max-width:610px;color:var(--muted);font-size:17px}
.hero-actions{display:flex;gap:12px;margin-top:31px}
.hero-note{display:flex;gap:18px;margin-top:27px;font-size:13px;color:var(--muted)}
.hero-note span{display:flex;align-items:center;gap:6px}.hero-note b{color:var(--green);font-size:19px}
.device-stage{min-height:420px;display:flex;align-items:center;justify-content:center;position:relative}
.phone{width:218px;height:405px;background:#102f2a;border:7px solid #163e37;border-radius:31px;padding:10px;box-shadow:0 25px 45px rgba(3,37,31,.28);transform:rotate(5deg);position:relative;z-index:2}
.phone:before{content:"";display:block;width:72px;height:17px;background:#0b2824;border-radius:0 0 12px 12px;margin:-10px auto 17px}
.screen{height:100%;border-radius:19px;background:var(--paper);overflow:hidden}
.screen-head{height:94px;background:var(--green);padding:17px 14px;color:#fff}.screen-head small{opacity:.7}.screen-head strong{display:block;font-size:19px;margin-top:6px}
.screen-body{padding:14px}.screen-line{height:10px;background:#dbe8df;border-radius:5px;margin:12px 0}.screen-card{height:80px;border-radius:13px;background:#e7f0e8;margin:14px 0;padding:12px}.screen-card i{display:block;width:37px;height:37px;background:var(--coral);border-radius:10px;float:left;margin-right:10px}
.download-panel{position:absolute;right:0;bottom:20px;width:230px;background:var(--paper);padding:19px;border-radius:17px;box-shadow:var(--shadow);z-index:3;border:1px solid var(--line)}
.download-panel strong{display:block;color:var(--green);margin-bottom:5px}.download-panel p{font-size:13px;color:var(--muted)}
.qr{width:76px;height:76px;margin-top:12px;border:7px solid #fff;outline:1px solid var(--line);background:repeating-conic-gradient(var(--green) 0 25%,#fff 0 50%) 50%/12px 12px}
.quick{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.quick-item{padding:21px 25px;display:flex;align-items:center;gap:14px;border-right:1px solid var(--line)}
.quick-item:last-child{border:0}.quick-icon{width:38px;height:38px;background:var(--green-soft);color:var(--green);border-radius:11px;display:grid;place-items:center;font-weight:800}
.quick-item strong{display:block;font-size:15px;color:var(--green)}.quick-item small{display:block;color:var(--muted);font-size:12px}.quick-arrow{margin-left:auto;color:var(--coral);font-size:20px}
.section{padding:94px 0}.section-alt{background:#eef3ed}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}
.section-head h2{font-size:32px;line-height:1.3;color:var(--green);letter-spacing:-.03em}.section-head p{color:var(--muted);margin-top:7px}.section-link{color:var(--coral-dark);font-weight:700;font-size:14px;white-space:nowrap}
.news-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:22px}
.feature-card,.news-list,.topic-card,.faq-box,.event-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.feature-card{overflow:hidden}.feature-visual{height:220px;background:linear-gradient(135deg,var(--green),#317263);position:relative;overflow:hidden;padding:26px;color:#fff}.feature-visual:after{content:"◒";position:absolute;font-size:210px;right:22px;top:-48px;color:rgba(216,189,136,.18)}.feature-visual span{position:relative;z-index:1;border:1px solid rgba(255,255,255,.4);padding:5px 10px;border-radius:7px;font-size:12px}.feature-card article{padding:25px}.feature-card h3{font-size:23px;line-height:1.4;color:var(--green);margin:8px 0}.feature-card p{color:var(--muted);font-size:14px}.meta{display:flex;gap:12px;color:#83938c;font-size:12px;margin-top:14px}.news-list{padding:8px 23px}.news-row{display:block;padding:18px 0;border-bottom:1px solid var(--line)}.news-row:last-child{border:0}.news-row:hover h3{color:var(--coral-dark)}.news-row .badge{font-size:11px}.news-row h3{font-size:16px;color:var(--green);line-height:1.45;margin:5px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.news-row p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topic-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:35px;align-items:center}.topic-layout h2{font-size:32px;color:var(--green);line-height:1.35}.topic-layout p{color:var(--muted);margin:15px 0 25px}.topic-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.topic-card{padding:27px;min-height:190px;transition:.25s}.topic-card:nth-child(2){margin-top:38px;background:var(--green);color:#fff}.topic-card:hover{transform:translateY(-5px)}.topic-card h3{margin:18px 0 7px;font-size:20px}.topic-card p{font-size:14px;color:var(--muted)}.topic-card:nth-child(2) p{color:#c8ded4}.number{font-size:13px;color:var(--coral-dark);font-weight:800}
.app-section{background:var(--green-deep);color:#fff;overflow:hidden}.app-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}.app-section h2{font-size:34px;line-height:1.35}.app-section p{color:#bfd2c9;margin:15px 0 25px}.app-tools{display:flex;align-items:center;gap:18px}.app-tools .qr{background:repeating-conic-gradient(#fff 0 25%,transparent 0 50%) 50%/12px 12px}.app-info{font-size:13px;color:#a7c1b6}.app-buttons{display:flex;gap:10px;margin-top:20px}.app-buttons .btn-outline{border-color:#b8d5c8;color:#fff}.phones{height:330px;position:relative}.mini-phone{position:absolute;width:175px;height:315px;border:6px solid #28544a;border-radius:25px;background:#f7f3e9;padding:8px;box-shadow:0 20px 35px rgba(0,0,0,.22)}.mini-phone:first-child{right:205px;top:24px;transform:rotate(-8deg)}.mini-phone:last-child{right:55px;top:0;transform:rotate(8deg);background:#e8f1e7}.mini-phone .screen-head{height:72px;padding:10px}.mini-phone .screen-head strong{font-size:15px}.mini-phone .screen-card{height:56px;margin:10px 0}
.timeline{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px}.event-box{padding:28px}.event-date{color:var(--coral-dark);font-weight:800;font-size:14px}.event-box h3{color:var(--green);font-size:22px;margin:8px 0}.event-box p{color:var(--muted);font-size:14px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.step{padding:22px 8px 22px 22px;border-left:2px solid var(--champagne)}.step b{font-size:32px;color:var(--coral);line-height:1}.step h3{font-size:17px;color:var(--green);margin:10px 0 4px}.step p{font-size:13px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px}.faq-grid h2{font-size:32px;color:var(--green);line-height:1.35}.faq-grid p{color:var(--muted);margin:12px 0 22px}.faq-box{overflow:hidden}.faq-item{border-bottom:1px solid var(--line)}.faq-item:last-child{border:0}.faq-q{width:100%;border:0;background:transparent;padding:20px 24px;text-align:left;color:var(--green);font-weight:700;display:flex;justify-content:space-between}.faq-q span{color:var(--coral);font-size:22px}.faq-a{max-height:0;overflow:hidden;padding:0 24px;color:var(--muted);font-size:14px;transition:.3s}.faq-item.open .faq-a{max-height:150px;padding:0 24px 20px}
.cta{padding:48px 0;background:var(--green);color:#fff}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:27px}.cta p{color:#c4d8cf;margin-top:5px}.footer{background:#06231f;color:#c9d9d1;padding:54px 0 25px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}.footer .logo{color:#fff;margin-bottom:14px}.footer h3{font-size:15px;color:#fff;margin-bottom:14px}.footer p,.footer a{font-size:13px;color:#9eb8ac}.footer a{display:block;margin:7px 0}.footer a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;font-size:12px;color:#88a399;display:flex;justify-content:space-between;gap:20px}.float-tools{position:fixed;right:22px;bottom:24px;z-index:10;display:flex;flex-direction:column;gap:8px}.float-tools a,.to-top{width:46px;height:43px;background:var(--paper);border:1px solid var(--line);border-radius:11px;display:grid;place-items:center;color:var(--green);font-size:12px;box-shadow:var(--shadow)}.to-top{display:none}.mobile-bar{display:none}
@media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px 8px}.hero-grid{gap:35px}.container{width:min(var(--container),calc(100% - 36px))}}
@media(max-width:768px){
 .navbar{height:68px}.nav-download{display:none}.menu-toggle{display:block;margin-left:auto}.nav-links{position:absolute;display:none;top:68px;left:0;right:0;background:var(--paper);padding:14px 20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:13px 15px}.hero{padding:58px 0 42px}.hero-grid,.news-grid,.topic-layout,.app-grid,.timeline,.faq-grid{grid-template-columns:1fr}.hero-copy{text-align:left}.device-stage{min-height:380px}.quick-grid{grid-template-columns:1fr 1fr}.quick-item:nth-child(2){border-right:0}.quick-item{border-bottom:1px solid var(--line)}.section{padding:62px 0}.section-head{align-items:start;flex-direction:column}.topic-cards{max-width:600px}.phones{margin-top:10px}.footer-grid{grid-template-columns:1fr 1fr}.float-tools{display:none}.mobile-bar{position:fixed;bottom:0;left:0;right:0;height:62px;background:var(--paper);border-top:1px solid var(--line);z-index:30;display:flex;justify-content:space-around;align-items:center}.mobile-bar a{font-size:12px;color:var(--green);text-align:center}.mobile-bar a:first-child{color:var(--coral-dark);font-weight:800}.mobile-bar b{display:block;font-size:18px;line-height:1.2}
}
@media(max-width:520px){
 .container{width:calc(100% - 32px)}.logo{font-size:14px}.logo-mark{width:30px;height:30px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.hero-note{gap:10px;flex-wrap:wrap}.device-stage{transform:scale(.88);margin:-20px -25px}.download-panel{right:0}.quick-item{padding:16px 12px;gap:9px}.quick-item strong{font-size:14px}.quick-item small{font-size:11px}.section-head h2,.topic-layout h2,.faq-grid h2,.app-section h2{font-size:27px}.feature-visual{height:180px}.steps{grid-template-columns:1fr}.step{padding:16px 10px 16px 18px}.app-tools{align-items:flex-start}.app-buttons{flex-direction:column}.app-buttons .btn{width:180px}.phones{transform:scale(.82);transform-origin:center top;margin-bottom:-55px}.mini-phone:first-child{right:145px}.mini-phone:last-child{right:5px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{display:block;padding-bottom:70px}.copyright span{display:block;margin-top:7px}
}

/* roulang page: article */
:root{
      --green:#0b3d35;
      --green-deep:#082b27;
      --green-soft:#dcebe2;
      --cream:#f5f2ea;
      --paper:#fffdf8;
      --ink:#18332e;
      --muted:#6c7d76;
      --line:#d8e1d9;
      --coral:#d87555;
      --coral-dark:#bd5e42;
      --champagne:#d8bd88;
      --radius-lg:22px;
      --radius-md:15px;
      --shadow:0 18px 45px rgba(20,56,47,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--cream);
      color:var(--ink);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
      overflow-x:hidden;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      background-image:radial-gradient(rgba(11,61,53,.13) .6px,transparent .6px);
      background-size:7px 7px;
      mix-blend-mode:multiply;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(245,242,234,.94);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(11,61,53,.09);
    }
    .navbar{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:30px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--green);
      font-weight:800;
      font-size:17px;
      white-space:nowrap;
    }
    .logo-mark{
      width:35px;
      height:35px;
      border:2px solid var(--green);
      border-radius:11px 18px 11px 18px;
      position:relative;
      transform:rotate(-10deg);
      flex:0 0 auto;
    }
    .logo-mark:after{
      content:"";
      position:absolute;
      width:10px;
      height:10px;
      background:var(--coral);
      border-radius:50%;
      right:4px;
      top:4px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:5px;
      margin-left:auto;
    }
    .nav-links a{
      padding:9px 13px;
      color:#47645c;
      font-size:14px;
      border-radius:9px;
      position:relative;
    }
    .nav-links a:after{
      content:"";
      position:absolute;
      left:13px;
      right:13px;
      bottom:4px;
      height:2px;
      background:var(--coral);
      transform:scaleX(0);
      transition:.25s;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:var(--green);
      background:var(--green-soft);
    }
    .nav-links a:hover:after,
    .nav-links a.active:after{transform:scaleX(1)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border:1px solid transparent;
      border-radius:11px;
      font-weight:700;
      font-size:14px;
      transition:.25s;
    }
    .btn-primary{
      background:var(--coral);
      color:#fff;
    }
    .btn-primary:hover{
      background:var(--coral-dark);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 9px 20px rgba(189,94,66,.22);
    }
    .btn-outline{
      border-color:var(--green);
      color:var(--green);
      background:transparent;
    }
    .btn-outline:hover{
      background:var(--green-soft);
      color:var(--green);
      transform:translateY(-2px);
    }
    .nav-download{min-height:42px;padding:0 16px}
    .menu-toggle{
      display:none;
      border:0;
      background:transparent;
      color:var(--green);
      font-size:25px;
      line-height:1;
    }
    .article-hero{
      position:relative;
      overflow:hidden;
      padding:58px 0 54px;
      background:var(--green-deep);
      color:#fff;
    }
    .article-hero:before{
      content:"";
      position:absolute;
      width:480px;
      height:480px;
      right:-115px;
      top:-250px;
      border:1px solid rgba(216,189,136,.38);
      border-radius:50%;
      box-shadow:0 0 0 28px rgba(216,189,136,.08),0 0 0 58px rgba(216,189,136,.04);
    }
    .article-hero:after{
      content:"";
      position:absolute;
      width:240px;
      height:240px;
      left:-130px;
      bottom:-180px;
      border-radius:50%;
      background:rgba(216,189,136,.08);
    }
    .breadcrumb-wrap{
      position:relative;
      z-index:1;
      margin-bottom:25px;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:0;
      padding:0;
      list-style:none;
      color:#b9d0c5;
      font-size:13px;
    }
    .breadcrumb li:not(:last-child):after{
      content:"/";
      margin-left:8px;
      color:#7f9f92;
    }
    .breadcrumb a:hover{color:#fff}
    .article-heading{
      position:relative;
      z-index:1;
      max-width:900px;
    }
    .article-heading .eyebrow{
      color:#e2c997;
      letter-spacing:.08em;
    }
    .article-heading .eyebrow:before{background:var(--coral)}
    .article-heading h1{
      max-width:900px;
      margin:13px 0 17px;
      color:#fff;
      font-size:clamp(30px,4vw,46px);
      line-height:1.25;
      letter-spacing:-.035em;
      overflow-wrap:anywhere;
    }
    .article-heading .summary{
      max-width:760px;
      margin:0;
      color:#c5d8cf;
      font-size:17px;
      line-height:1.8;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:13px 22px;
      margin-top:24px;
      color:#a8c0b5;
      font-size:13px;
    }
    .article-meta span{
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .article-meta strong{
      color:#e6f0ea;
      font-weight:600;
    }
    .content-section{padding:70px 0 92px}
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,880px) 240px;
      gap:42px;
      align-items:start;
      justify-content:center;
    }
    .article-card{
      min-width:0;
      padding:42px 48px 46px;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .article-content{
      color:#304a43;
      font-size:17px;
      line-height:1.95;
      overflow-wrap:anywhere;
    }
    .article-content h2{
      color:var(--green);
      font-size:29px;
      line-height:1.4;
      margin:38px 0 15px;
      padding-top:7px;
      letter-spacing:-.02em;
    }
    .article-content h3{
      color:var(--green);
      font-size:21px;
      line-height:1.5;
      margin:28px 0 10px;
    }
    .article-content p{margin:0 0 20px}
    .article-content ul,
    .article-content ol{
      margin:0 0 23px;
      padding-left:1.5em;
    }
    .article-content li{margin:7px 0}
    .article-content blockquote{
      margin:28px 0;
      padding:18px 22px;
      background:var(--green-soft);
      border-left:4px solid var(--green);
      border-radius:0 13px 13px 0;
      color:#31584d;
    }
    .article-content img{
      width:auto;
      max-width:100%;
      margin:26px auto;
      border:1px solid var(--line);
      border-radius:15px;
      box-shadow:0 10px 26px rgba(20,56,47,.08);
    }
    .article-content table{
      width:100%;
      margin:25px 0;
      border-collapse:collapse;
      font-size:15px;
    }
    .article-content th,
    .article-content td{
      padding:12px 14px;
      border:1px solid var(--line);
      text-align:left;
    }
    .article-content th{
      background:var(--green-soft);
      color:var(--green);
    }
    .article-content a{
      color:var(--coral-dark);
      text-decoration:underline;
      text-decoration-color:rgba(189,94,66,.35);
      text-underline-offset:3px;
    }
    .article-content a:hover{color:var(--green)}
    .reading-aside{
      position:sticky;
      top:105px;
    }
    .aside-box{
      padding:21px 19px;
      background:rgba(255,253,248,.72);
      border:1px solid var(--line);
      border-radius:15px;
    }
    .aside-box h2{
      margin:0 0 13px;
      color:var(--green);
      font-size:16px;
    }
    .aside-box p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .aside-line{
      height:1px;
      margin:18px 0;
      background:var(--line);
    }
    .aside-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--green);
      font-size:14px;
      font-weight:700;
    }
    .aside-link:hover{color:var(--coral-dark)}
    .download-card{
      display:flex;
      align-items:center;
      gap:20px;
      margin:35px 0 10px;
      padding:22px;
      background:var(--green);
      border-radius:17px;
      color:#fff;
    }
    .download-art{
      width:72px;
      height:88px;
      border:5px solid #e8f0e8;
      border-bottom-width:8px;
      border-radius:14px;
      background:linear-gradient(155deg,#477f6e,#d9bd88);
      flex:0 0 auto;
      position:relative;
    }
    .download-art:after{
      content:"";
      position:absolute;
      left:12px;
      right:12px;
      bottom:12px;
      height:5px;
      border-radius:4px;
      background:rgba(255,255,255,.76);
      box-shadow:0 -12px 0 rgba(255,255,255,.55),0 -24px 0 rgba(255,255,255,.38);
    }
    .download-card h3{
      margin:0 0 4px;
      font-size:18px;
    }
    .download-card p{
      margin:0 0 12px;
      color:#c6d9d0;
      font-size:13px;
      line-height:1.65;
    }
    .download-card .btn{
      min-height:40px;
      padding:0 14px;
      font-size:13px;
    }
    .article-end{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:15px;
      margin-top:38px;
      padding-top:27px;
      border-top:1px solid var(--line);
    }
    .article-end-note{
      color:var(--muted);
      font-size:13px;
    }
    .related-section{
      padding:0 0 88px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:26px;
    }
    .section-head h2{
      margin:0;
      color:var(--green);
      font-size:30px;
      line-height:1.35;
      letter-spacing:-.03em;
    }
    .section-head p{
      margin:7px 0 0;
      color:var(--muted);
    }
    .section-link{
      color:var(--coral-dark);
      font-weight:700;
      font-size:14px;
      white-space:nowrap;
    }
    .section-link:hover{color:var(--green)}
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .related-card{
      display:flex;
      flex-direction:column;
      min-height:205px;
      padding:23px;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      transition:.25s;
    }
    .related-card:hover{
      border-color:rgba(11,61,53,.36);
      transform:translateY(-4px);
      box-shadow:var(--shadow);
    }
    .related-card .badge{
      color:var(--coral-dark);
      font-size:12px;
      letter-spacing:0;
    }
    .related-card h3{
      margin:11px 0 8px;
      color:var(--green);
      font-size:18px;
      line-height:1.5;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .related-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .related-card .meta{
      margin-top:auto;
      padding-top:17px;
    }
    .empty-state{
      padding:54px 28px;
      text-align:center;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .empty-icon{
      width:64px;
      height:64px;
      margin:0 auto 18px;
      border:1px solid #b9d0c2;
      border-radius:20px 10px 20px 10px;
      background:var(--green-soft);
      position:relative;
    }
    .empty-icon:before,
    .empty-icon:after{
      content:"";
      position:absolute;
      left:16px;
      right:16px;
      height:3px;
      border-radius:3px;
      background:#8caf9f;
    }
    .empty-icon:before{top:23px}
    .empty-icon:after{top:34px;right:25px}
    .empty-state h2{
      margin:0 0 8px;
      color:var(--green);
      font-size:24px;
    }
    .empty-state p{
      margin:0 auto 22px;
      color:var(--muted);
      max-width:500px;
    }
    .footer{
      padding:55px 0 22px;
      background:var(--green-deep);
      color:#d4e2db;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1fr;
      gap:38px;
    }
    .footer .logo{color:#fff}
    .footer .logo-mark{border-color:#dcebe2}
    .footer .logo-mark:after{background:var(--coral)}
    .footer p{
      max-width:290px;
      margin:17px 0 0;
      color:#a7c0b5;
      font-size:13px;
      line-height:1.8;
    }
    .footer h3{
      margin:2px 0 15px;
      color:#fff;
      font-size:15px;
    }
    .footer-grid>div:not(:first-child) a{
      display:block;
      width:max-content;
      max-width:100%;
      margin:7px 0;
      color:#a7c0b5;
      font-size:13px;
    }
    .footer-grid>div:not(:first-child) a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      margin-top:44px;
      padding-top:18px;
      border-top:1px solid rgba(216,235,226,.16);
      color:#8eaaa0;
      font-size:12px;
      line-height:1.7;
    }
    .floating-tools{
      position:fixed;
      right:22px;
      bottom:24px;
      z-index:15;
      display:grid;
      gap:9px;
    }
    .float-btn{
      width:44px;
      height:42px;
      border:1px solid rgba(11,61,53,.15);
      border-radius:11px;
      background:var(--paper);
      color:var(--green);
      box-shadow:0 9px 22px rgba(20,56,47,.12);
      font-size:13px;
      transition:.25s;
    }
    .float-btn:hover{
      background:var(--green);
      color:#fff;
      transform:translateY(-2px);
    }
    .mobile-actions{display:none}
    :focus-visible{
      outline:3px solid rgba(216,117,85,.55);
      outline-offset:3px;
    }
    @media(max-width:1100px){
      .navbar{gap:15px}
      .nav-links a{padding-left:9px;padding-right:9px}
      .article-layout{grid-template-columns:minmax(0,880px)}
      .reading-aside{display:none}
    }
    @media(max-width:900px){
      .nav-download{display:none}
      .menu-toggle{display:block;margin-left:5px}
      .nav-links{
        position:absolute;
        top:78px;
        left:0;
        right:0;
        display:none;
        padding:14px 24px 20px;
        background:var(--paper);
        border-bottom:1px solid var(--line);
        box-shadow:0 18px 30px rgba(20,56,47,.12);
      }
      .nav-links.open{display:grid}
      .nav-links a{padding:13px 12px}
      .article-card{padding:35px 34px}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2}
    }
    @media(max-width:680px){
      .container{width:min(100% - 40px,var(--container))}
      .navbar{min-height:70px}
      .nav-links{top:70px;padding-left:20px;padding-right:20px}
      .logo{font-size:14px}
      .logo-mark{width:31px;height:31px}
      .article-hero{padding:40px 0 38px}
      .breadcrumb-wrap{margin-bottom:19px}
      .article-heading h1{font-size:30px}
      .article-heading .summary{font-size:15px}
      .content-section{padding:44px 0 60px}
      .article-card{padding:27px 22px 31px;border-radius:17px}
      .article-content{font-size:16px;line-height:1.88}
      .article-content h2{font-size:25px;margin-top:32px}
      .article-content h3{font-size:19px}
      .download-card{align-items:flex-start;gap:15px;padding:18px}
      .download-art{width:58px;height:75px}
      .article-end{align-items:flex-start;flex-direction:column}
      .related-section{padding-bottom:60px}
      .section-head{align-items:flex-start;flex-direction:column;margin-bottom:20px}
      .section-head h2{font-size:26px}
      .related-grid{grid-template-columns:1fr}
      .related-card{min-height:180px}
      .footer{padding-top:42px;padding-bottom:75px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-grid>div:last-child{grid-column:auto}
      .copyright{align-items:flex-start;flex-direction:column;gap:5px;margin-top:30px}
      .floating-tools{right:14px;bottom:74px}
      .mobile-actions{
        position:fixed;
        left:0;
        right:0;
        bottom:0;
        z-index:25;
        display:grid;
        grid-template-columns:repeat(3,1fr);
        height:58px;
        background:rgba(255,253,248,.97);
        border-top:1px solid var(--line);
        box-shadow:0 -8px 25px rgba(20,56,47,.10);
      }
      .mobile-actions a{
        display:flex;
        align-items:center;
        justify-content:center;
        color:var(--green);
        font-size:12px;
        font-weight:700;
        border-right:1px solid var(--line);
      }
      .mobile-actions a:last-child{border:0}
      .mobile-actions a:first-child{color:var(--coral-dark)}
    }
    @media(max-width:480px){
      .container{width:calc(100% - 32px)}
      .logo{max-width:225px;white-space:normal;line-height:1.2}
      .article-heading h1{font-size:28px}
      .article-meta{gap:8px 15px}
      .article-content table{display:block;overflow-x:auto;white-space:nowrap}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child,
      .footer-grid>div:last-child{grid-column:auto}
    }

/* roulang page: category1 */
:root{
      --green:#0b3d35;
      --green-deep:#082b27;
      --green-mid:#17584b;
      --green-soft:#dcebe2;
      --cream:#f5f2ea;
      --paper:#fffdf8;
      --ink:#18332e;
      --muted:#6c7d76;
      --line:#d8e1d9;
      --coral:#d87555;
      --coral-dark:#bd5e42;
      --champagne:#d8bd88;
      --white:#ffffff;
      --shadow:0 18px 45px rgba(20,56,47,.10);
      --shadow-soft:0 10px 26px rgba(20,56,47,.08);
      --radius-lg:22px;
      --radius-md:15px;
      --radius-sm:11px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--cream);
      color:var(--ink);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--coral-dark)}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{color:var(--green);font-weight:800}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(245,242,234,.94);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(11,61,53,.09);
    }
    .navbar{
      height:78px;
      display:flex;
      align-items:center;
      gap:30px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--green);
      font-size:17px;
      font-weight:800;
      white-space:nowrap;
    }
    .logo-mark{
      width:35px;
      height:35px;
      flex:0 0 35px;
      border:2px solid var(--green);
      border-radius:11px 18px 11px 18px;
      position:relative;
      transform:rotate(-10deg);
    }
    .logo-mark:after{
      content:"";
      position:absolute;
      width:10px;
      height:10px;
      right:4px;
      top:4px;
      background:var(--coral);
      border-radius:50%;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:5px;
      margin-left:auto;
    }
    .nav-links a{
      position:relative;
      padding:9px 13px;
      color:#47645c;
      font-size:14px;
      border-radius:9px;
    }
    .nav-links a:after{
      content:"";
      position:absolute;
      left:13px;
      right:13px;
      bottom:4px;
      height:2px;
      background:var(--coral);
      transform:scaleX(0);
      transition:.25s ease;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:var(--green);
      background:var(--green-soft);
    }
    .nav-links a:hover:after,
    .nav-links a.active:after{transform:scaleX(1)}
    .btn{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:0 20px;
      border:1px solid transparent;
      border-radius:11px;
      font-size:14px;
      font-weight:800;
      transition:.25s ease;
    }
    .btn:focus-visible,
    .nav-links a:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible,
    summary:focus-visible{
      outline:3px solid rgba(216,117,85,.35);
      outline-offset:3px;
    }
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{
      color:#fff;
      background:var(--coral-dark);
      transform:translateY(-2px);
      box-shadow:0 9px 20px rgba(189,94,66,.22);
    }
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--green-soft);transform:translateY(-2px)}
    .nav-download{min-height:42px;padding:0 16px}
    .menu-toggle{
      display:none;
      border:0;
      background:transparent;
      color:var(--green);
      font-size:25px;
      line-height:1;
    }
    .inner-hero{
      position:relative;
      overflow:hidden;
      padding:72px 0 66px;
      background:var(--green-deep);
      color:#fff;
    }
    .inner-hero:before{
      content:"";
      position:absolute;
      width:530px;
      height:530px;
      right:-150px;
      top:-220px;
      border:1px solid rgba(216,189,136,.45);
      border-radius:50%;
      box-shadow:0 0 0 28px rgba(216,189,136,.07),0 0 0 58px rgba(216,189,136,.04);
    }
    .inner-hero:after{
      content:"";
      position:absolute;
      width:230px;
      height:230px;
      left:-90px;
      bottom:-130px;
      border:1px solid rgba(220,235,226,.18);
      border-radius:50%;
    }
    .inner-hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:60px;
      align-items:center;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:20px;
      color:#b9cec5;
      font-size:13px;
    }
    .breadcrumb a{color:#dcebe2}
    .breadcrumb span{color:rgba(255,255,255,.45)}
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--coral);
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em;
    }
    .eyebrow:before{
      content:"";
      width:22px;
      height:2px;
      background:var(--coral);
    }
    .inner-hero h1{
      max-width:680px;
      margin:12px 0 17px;
      color:#fff;
      font-size:clamp(32px,4vw,46px);
      line-height:1.22;
      letter-spacing:-.035em;
    }
    .inner-hero p{
      max-width:650px;
      margin-bottom:0;
      color:#c5d8cf;
      font-size:17px;
    }
    .hero-art{
      min-height:245px;
      display:flex;
      align-items:center;
      justify-content:center;
      position:relative;
    }
    .art-panel{
      width:min(390px,100%);
      min-height:220px;
      position:relative;
      padding:23px;
      border:1px solid rgba(220,235,226,.22);
      border-radius:24px;
      background:rgba(255,255,255,.08);
      box-shadow:0 20px 45px rgba(0,0,0,.12);
      transform:rotate(3deg);
    }
    .art-panel:before{
      content:"";
      position:absolute;
      right:22px;
      top:22px;
      width:100px;
      height:100px;
      border:1px solid rgba(216,189,136,.75);
      border-radius:50%;
      box-shadow:0 0 0 15px rgba(216,189,136,.08),0 0 0 30px rgba(216,189,136,.05);
    }
    .art-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      color:#dcebe2;
      font-size:12px;
    }
    .art-line{
      width:42%;
      height:8px;
      border-radius:8px;
      background:var(--coral);
    }
    .art-title{
      position:relative;
      z-index:1;
      max-width:220px;
      margin-top:46px;
      color:#fff;
      font-size:24px;
      font-weight:800;
      line-height:1.35;
    }
    .art-list{
      display:flex;
      gap:8px;
      margin-top:20px;
    }
    .art-list i{
      display:block;
      width:48px;
      height:35px;
      border:1px solid rgba(220,235,226,.3);
      border-radius:8px;
      background:rgba(220,235,226,.1);
    }
    .anchor-bar{
      position:sticky;
      top:78px;
      z-index:15;
      background:var(--paper);
      border-bottom:1px solid var(--line);
      box-shadow:0 4px 18px rgba(20,56,47,.04);
    }
    .anchor-list{
      display:flex;
      gap:8px;
      overflow-x:auto;
      padding:13px 0;
      scrollbar-width:none;
    }
    .anchor-list::-webkit-scrollbar{display:none}
    .anchor-list a{
      flex:0 0 auto;
      padding:8px 14px;
      color:var(--muted);
      border-radius:8px;
      font-size:14px;
    }
    .anchor-list a:hover{background:var(--green-soft);color:var(--green)}
    .section{padding:88px 0}
    .section-alt{background:#eef3ed}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:30px;
    }
    .section-head h2{
      margin-bottom:0;
      font-size:32px;
      line-height:1.3;
      letter-spacing:-.03em;
    }
    .section-head p{
      max-width:680px;
      margin:8px 0 0;
      color:var(--muted);
    }
    .section-link{
      flex:0 0 auto;
      color:var(--coral-dark);
      font-weight:800;
      font-size:14px;
      white-space:nowrap;
    }
    .feature-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      align-items:stretch;
    }
    .feature-card,.topic-panel,.timeline,.subscribe-box,.faq-box,.download-strip{
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .feature-card{overflow:hidden}
    .feature-visual{
      min-height:270px;
      position:relative;
      overflow:hidden;
      padding:28px;
      color:#fff;
      background:linear-gradient(135deg,var(--green),#317263);
    }
    .feature-visual:before{
      content:"";
      position:absolute;
      width:270px;
      height:270px;
      right:-48px;
      top:-90px;
      border:1px solid rgba(216,189,136,.48);
      border-radius:50%;
      box-shadow:0 0 0 20px rgba(216,189,136,.09),0 0 0 42px rgba(216,189,136,.05);
    }
    .feature-visual:after{
      content:"资讯";
      position:absolute;
      right:28px;
      bottom:20px;
      color:rgba(255,255,255,.13);
      font-size:90px;
      font-weight:900;
      letter-spacing:-.1em;
    }
    .visual-label{
      position:relative;
      z-index:1;
      display:inline-flex;
      padding:5px 10px;
      border:1px solid rgba(255,255,255,.42);
      border-radius:7px;
      font-size:12px;
    }
    .visual-caption{
      position:absolute;
      z-index:1;
      left:28px;
      bottom:25px;
      color:#e9f3ed;
      font-size:14px;
    }
    .feature-body{padding:26px}
    .feature-body h3{
      margin:8px 0 10px;
      font-size:24px;
      line-height:1.4;
    }
    .feature-body p{margin-bottom:0;color:var(--muted);font-size:15px}
    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:17px;
      color:#83938c;
      font-size:12px;
    }
    .topic-stack{display:grid;gap:16px}
    .topic-panel{
      min-height:150px;
      padding:23px 24px;
      transition:.25s ease;
    }
    .topic-panel:hover{
      transform:translateY(-4px);
      border-color:rgba(11,61,53,.35);
      box-shadow:var(--shadow-soft);
    }
    .topic-panel:nth-child(2){margin-left:28px}
    .topic-panel:nth-child(3){margin-left:56px}
    .topic-number{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:30px;
      height:30px;
      border-radius:9px;
      background:var(--green-soft);
      color:var(--green);
      font-size:13px;
      font-weight:800;
    }
    .topic-panel h3{
      display:inline;
      margin-left:10px;
      font-size:19px;
    }
    .topic-panel p{
      margin:13px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .update-layout{
      display:grid;
      grid-template-columns:.83fr 1.17fr;
      gap:25px;
      align-items:start;
    }
    .update-intro{
      padding:30px;
      border-radius:var(--radius-lg);
      background:var(--green);
      color:#fff;
    }
    .update-intro h2{color:#fff;font-size:28px;line-height:1.35}
    .update-intro p{color:#c9ddd3}
    .info-points{
      display:grid;
      gap:12px;
      margin-top:25px;
    }
    .info-point{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding-top:13px;
      border-top:1px solid rgba(255,255,255,.18);
      color:#dcebe2;
      font-size:14px;
    }
    .info-point b{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:24px;
      height:24px;
      flex:0 0 24px;
      border-radius:7px;
      background:var(--coral);
      color:#fff;
      font-size:12px;
    }
    .timeline{
      padding:12px 28px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:112px 22px 1fr;
      gap:18px;
      padding:22px 0;
      border-bottom:1px solid var(--line);
    }
    .timeline-item:last-child{border-bottom:0}
    .timeline-date{
      color:var(--coral-dark);
      font-size:13px;
      font-weight:800;
    }
    .timeline-dot{
      position:relative;
      width:13px;
      height:13px;
      margin-top:6px;
      border:3px solid var(--coral);
      border-radius:50%;
      background:var(--paper);
    }
    .timeline-item:not(:last-child) .timeline-dot:after{
      content:"";
      position:absolute;
      top:10px;
      left:3px;
      width:1px;
      height:74px;
      background:var(--line);
    }
    .timeline-content h3{margin-bottom:5px;font-size:17px}
    .timeline-content p{margin:0;color:var(--muted);font-size:14px}
    .tag{
      display:inline-flex;
      padding:4px 9px;
      margin-bottom:7px;
      border-radius:7px;
      background:var(--green-soft);
      color:var(--green);
      font-size:11px;
      font-weight:800;
    }
    .tag.coral{background:#f5ddd4;color:var(--coral-dark)}
    .subscribe-section{padding:76px 0}
    .subscribe-box{
      display:grid;
      grid-template-columns:1fr 1.15fr;
      gap:35px;
      align-items:center;
      padding:32px 36px;
    }
    .subscribe-box h2{margin-bottom:9px;font-size:27px}
    .subscribe-box p{margin-bottom:0;color:var(--muted);font-size:14px}
    .subscribe-form{display:grid;grid-template-columns:1fr auto;gap:10px}
    .form-control,.form-select,.form-textarea{
      width:100%;
      min-height:46px;
      padding:10px 14px;
      border:1px solid var(--line);
      border-radius:10px;
      background:#fff;
      color:var(--ink);
    }
    .form-control::placeholder,.form-textarea::placeholder{color:#9aa9a2}
    .privacy-note{
      grid-column:1/-1;
      margin:0;
      color:#8a9992;
      font-size:12px;
    }
    .faq-layout{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:55px;
      align-items:start;
    }
    .faq-lead h2{font-size:31px;line-height:1.35}
    .faq-lead p{color:var(--muted)}
    .faq-list{display:grid;gap:10px}
    .faq-item{
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:13px;
      background:var(--paper);
    }
    .faq-item summary{
      position:relative;
      padding:18px 50px 18px 20px;
      color:var(--green);
      font-weight:800;
      list-style:none;
      cursor:pointer;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      position:absolute;
      right:20px;
      top:14px;
      color:var(--coral);
      font-size:25px;
      font-weight:400;
    }
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{
      padding:0 20px 19px;
      color:var(--muted);
      font-size:14px;
    }
    .download-strip{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:25px;
      padding:27px 30px;
      background:var(--green);
      color:#fff;
    }
    .download-strip h2{margin:0 0 5px;color:#fff;font-size:23px}
    .download-strip p{margin:0;color:#c8ded4;font-size:14px}
    .footer{
      padding:58px 0 22px;
      background:var(--green-deep);
      color:#c5d8cf;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr 1fr 1fr 1fr;
      gap:35px;
    }
    .footer .logo{color:#fff;margin-bottom:15px}
    .footer .logo-mark{border-color:#dcebe2}
    .footer p{max-width:270px;margin:0;color:#9fb8ad;font-size:14px}
    .footer h3{
      margin:0 0 15px;
      color:#fff;
      font-size:15px;
    }
    .footer-grid>div:not(:first-child){display:flex;flex-direction:column;align-items:flex-start}
    .footer-grid>div:not(:first-child) a{
      margin:3px 0;
      color:#a9c1b7;
      font-size:14px;
    }
    .footer-grid>div:not(:first-child) a:hover{color:#fff}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:20px;
      margin-top:45px;
      padding-top:20px;
      border-top:1px solid rgba(220,235,226,.16);
      color:#91aaa0;
      font-size:12px;
    }
    .floating-tools{
      position:fixed;
      right:22px;
      bottom:25px;
      z-index:30;
      display:grid;
      gap:8px;
    }
    .floating-tools a,.back-top{
      display:flex;
      align-items:center;
      justify-content:center;
      width:46px;
      height:43px;
      border:1px solid var(--line);
      border-radius:11px;
      background:var(--paper);
      color:var(--green);
      box-shadow:var(--shadow-soft);
      font-size:12px;
      font-weight:800;
    }
    .floating-tools a:first-child{background:var(--coral);border-color:var(--coral);color:#fff}
    .back-top{
      display:none;
      border:0;
      background:var(--green);
      color:#fff;
    }
    .back-top.show{display:flex}
    .mobile-bottom{display:none}
    @media (max-width:1100px){
      .navbar{gap:16px}
      .nav-links a{padding-left:9px;padding-right:9px}
      .inner-hero-grid{gap:35px}
    }
    @media (max-width:992px){
      .nav-download{display:none}
      .menu-toggle{display:block;margin-left:8px}
      .nav-links{
        position:absolute;
        left:24px;
        right:24px;
        top:78px;
        display:none;
        padding:12px;
        flex-direction:column;
        align-items:stretch;
        gap:3px;
        background:var(--paper);
        border:1px solid var(--line);
        border-radius:0 0 16px 16px;
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .inner-hero-grid,.feature-layout,.update-layout,.faq-layout,.subscribe-box{grid-template-columns:1fr}
      .hero-art{min-height:210px}
      .subscribe-box{gap:22px}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 40px))}
      .navbar{height:70px}
      .logo{font-size:15px}
      .logo-mark{width:32px;height:32px;flex-basis:32px}
      .nav-links{top:70px;left:20px;right:20px}
      .anchor-bar{top:70px}
      .inner-hero{padding:52px 0 50px}
      .inner-hero h1{font-size:34px}
      .section{padding:62px 0}
      .section-head{display:block;margin-bottom:24px}
      .section-link{display:inline-block;margin-top:14px}
      .topic-panel:nth-child(2),.topic-panel:nth-child(3){margin-left:0}
      .timeline{padding:8px 20px}
      .timeline-item{grid-template-columns:82px 17px 1fr;gap:12px}
      .timeline-item:not(:last-child) .timeline-dot:after{height:92px}
      .subscribe-form{grid-template-columns:1fr}
      .privacy-note{grid-column:auto}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px 20px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
      .floating-tools{display:none}
      .mobile-bottom{
        position:fixed;
        left:0;
        right:0;
        bottom:0;
        z-index:40;
        display:grid;
        grid-template-columns:repeat(3,1fr);
        padding:8px 12px calc(8px + env(safe-area-inset-bottom));
        background:rgba(255,253,248,.97);
        border-top:1px solid var(--line);
        box-shadow:0 -8px 25px rgba(20,56,47,.08);
      }
      .mobile-bottom a{
        display:flex;
        align-items:center;
        justify-content:center;
        min-height:42px;
        color:var(--green);
        font-size:12px;
        font-weight:800;
      }
      .mobile-bottom a:first-child{
        margin-right:6px;
        border-radius:9px;
        background:var(--coral);
        color:#fff;
      }
    }
    @media (max-width:520px){
      .container{width:calc(100% - 32px)}
      .logo{max-width:220px;overflow:hidden;text-overflow:ellipsis}
      .inner-hero h1{font-size:30px}
      .inner-hero p{font-size:15px}
      .art-panel{min-height:190px;padding:18px}
      .art-title{margin-top:35px;font-size:21px}
      .feature-visual{min-height:210px}
      .feature-body{padding:22px}
      .feature-body h3{font-size:21px}
      .timeline-item{grid-template-columns:1fr;gap:5px}
      .timeline-dot{display:none}
      .timeline-item:not(:last-child) .timeline-dot:after{display:none}
      .download-strip{display:block;padding:24px}
      .download-strip .btn{margin-top:17px;width:100%}
      .subscribe-box{padding:25px 21px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:not(:first-child){margin-top:4px}
      body{padding-bottom:62px}
    }

/* roulang page: category2 */
:root{
      --green:#0b3d35;
      --green-deep:#082b27;
      --green-soft:#dcebe2;
      --cream:#f5f2ea;
      --paper:#fffdf8;
      --ink:#18332e;
      --muted:#6c7d76;
      --line:#d8e1d9;
      --coral:#d87555;
      --coral-dark:#bd5e42;
      --champagne:#d8bd88;
      --radius-lg:22px;
      --radius-md:15px;
      --shadow:0 18px 45px rgba(20,56,47,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      background:var(--cream);
      color:var(--ink);
      line-height:1.75;
      font-size:16px;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(245,242,234,.94);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(11,61,53,.09)
    }
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--green);
      font-weight:800;
      font-size:17px;
      white-space:nowrap
    }
    .logo-mark{
      width:35px;
      height:35px;
      border:2px solid var(--green);
      border-radius:11px 18px 11px 18px;
      position:relative;
      transform:rotate(-10deg);
      flex:0 0 auto
    }
    .logo-mark:after{
      content:"";
      position:absolute;
      width:10px;
      height:10px;
      background:var(--coral);
      border-radius:50%;
      right:4px;
      top:4px
    }
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links a{
      padding:9px 13px;
      color:#47645c;
      font-size:14px;
      border-radius:9px;
      position:relative
    }
    .nav-links a:after{
      content:"";
      position:absolute;
      left:13px;
      right:13px;
      bottom:4px;
      height:2px;
      background:var(--coral);
      transform:scaleX(0);
      transition:.25s
    }
    .nav-links a:hover,.nav-links a.active{color:var(--green);background:var(--green-soft)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border:1px solid transparent;
      border-radius:11px;
      font-weight:700;
      font-size:14px;
      transition:.25s
    }
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{
      background:var(--coral-dark);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 9px 20px rgba(189,94,66,.22)
    }
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--green-soft);transform:translateY(-2px)}
    .nav-download{min-height:42px;padding:0 16px}
    .menu-toggle{
      display:none;
      border:0;
      background:transparent;
      color:var(--green);
      font-size:25px
    }
    .inner-banner{
      position:relative;
      overflow:hidden;
      min-height:320px;
      display:flex;
      align-items:center;
      background:var(--green-deep);
      color:#fff;
    }
    .inner-banner:before{
      content:"";
      position:absolute;
      width:480px;
      height:480px;
      right:-100px;
      top:-210px;
      border:1px solid rgba(216,189,136,.45);
      border-radius:50%;
      box-shadow:0 0 0 28px rgba(216,189,136,.08),0 0 0 60px rgba(216,189,136,.05)
    }
    .inner-banner:after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:210px;
      bottom:-180px;
      border:1px solid rgba(220,235,226,.22);
      border-radius:50%
    }
    .banner-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      align-items:center;
      gap:55px
    }
    .breadcrumb{
      display:flex;
      gap:9px;
      flex-wrap:wrap;
      color:#b8d0c5;
      font-size:13px;
      margin-bottom:18px
    }
    .breadcrumb a:hover{color:#fff}
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--coral);
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em
    }
    .eyebrow:before{
      content:"";
      width:22px;
      height:2px;
      background:var(--coral)
    }
    .banner-copy h1{
      margin:8px 0 14px;
      font-size:clamp(32px,4vw,46px);
      line-height:1.2;
      letter-spacing:-.04em
    }
    .banner-copy p{
      max-width:650px;
      color:#c7dad1;
      font-size:17px;
      margin:0
    }
    .banner-art{
      min-height:230px;
      position:relative;
      display:flex;
      justify-content:center;
      align-items:center
    }
    .art-panel{
      width:310px;
      height:190px;
      padding:22px;
      border:1px solid rgba(216,189,136,.45);
      border-radius:22px;
      background:rgba(255,253,248,.08);
      transform:rotate(5deg);
      box-shadow:0 18px 40px rgba(0,0,0,.15)
    }
    .art-panel span{
      display:block;
      width:80px;
      height:8px;
      border-radius:5px;
      background:var(--champagne);
      opacity:.8;
      margin-bottom:20px
    }
    .art-lines{display:grid;gap:12px}
    .art-lines i{
      display:block;
      height:34px;
      border-radius:10px;
      background:linear-gradient(90deg,rgba(220,235,226,.5) 0 25%,rgba(216,189,136,.22) 25% 68%,rgba(220,235,226,.14) 68%)
    }
    .art-orb{
      position:absolute;
      width:78px;
      height:78px;
      border-radius:50%;
      border:1px solid var(--coral);
      right:8%;
      top:6%;
      box-shadow:0 0 0 12px rgba(216,117,85,.12)
    }
    .anchor-wrap{
      background:var(--paper);
      border-bottom:1px solid var(--line);
      box-shadow:0 8px 24px rgba(20,56,47,.04)
    }
    .anchor-nav{
      display:flex;
      gap:10px;
      padding:16px 0;
      overflow-x:auto;
      scrollbar-width:none
    }
    .anchor-nav::-webkit-scrollbar{display:none}
    .anchor-nav a{
      flex:0 0 auto;
      padding:8px 14px;
      border:1px solid var(--line);
      border-radius:9px;
      color:var(--muted);
      font-size:14px
    }
    .anchor-nav a:hover,.anchor-nav a:focus{
      color:var(--green);
      border-color:var(--green);
      background:var(--green-soft)
    }
    .section{padding:88px 0}
    .section-alt{background:#eef3ed}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}
    .section-head h2{
      font-size:32px;
      line-height:1.3;
      color:var(--green);
      letter-spacing:-.03em;
      margin:0
    }
    .section-head p{color:var(--muted);margin:7px 0 0}
    .section-link{color:var(--coral-dark);font-weight:700;font-size:14px;white-space:nowrap}
    .intro-grid{
      display:grid;
      grid-template-columns:.75fr 1.25fr;
      gap:48px;
      align-items:start
    }
    .intro-copy h2{font-size:30px;color:var(--green);line-height:1.35;margin:0 0 16px}
    .intro-copy p{color:var(--muted);margin:0 0 18px}
    .notice{
      padding:18px 20px;
      border-left:4px solid var(--coral);
      border-radius:0 13px 13px 0;
      background:#fff0e9;
      color:#765447;
      font-size:14px
    }
    .type-rail{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding:3px 0 20px;
      scrollbar-width:none
    }
    .type-rail::-webkit-scrollbar{display:none}
    .type-rail a{
      flex:0 0 auto;
      border:1px solid var(--line);
      background:var(--paper);
      color:var(--green);
      padding:10px 17px;
      border-radius:10px;
      font-size:14px;
      font-weight:700
    }
    .type-rail a:first-child,.type-rail a:hover{background:var(--green);color:#fff;border-color:var(--green)}
    .type-panel{
      display:grid;
      grid-template-columns:110px 1fr 190px;
      gap:25px;
      align-items:center;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:28px;
      margin-bottom:16px;
      transition:.25s
    }
    .type-panel:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b8cfc2}
    .type-number{
      font-size:48px;
      font-weight:800;
      color:var(--green-soft);
      line-height:1
    }
    .type-panel h3{color:var(--green);font-size:23px;margin:0 0 7px}
    .type-panel p{color:var(--muted);font-size:14px;margin:0}
    .rule-list{margin:12px 0 0;padding-left:18px;color:#536b62;font-size:13px}
    .type-side{
      min-height:120px;
      padding:18px;
      border-radius:15px;
      background:var(--green-soft);
      color:var(--green);
      font-size:13px
    }
    .type-side strong{display:block;font-size:14px;margin-bottom:7px}
    .feature-strip{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px;
      align-items:stretch
    }
    .guide-card,.rule-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:30px;
      background:var(--paper)
    }
    .guide-card{background:var(--green);color:#fff}
    .guide-card h2,.rule-card h2{font-size:27px;line-height:1.4;margin:0 0 12px}
    .guide-card p{color:#c8ded4;margin:0 0 22px}
    .rule-card h2{color:var(--green)}
    .rule-card p{color:var(--muted);font-size:14px}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:0 13px;
      border-radius:9px;
      border:1px solid rgba(255,255,255,.35);
      color:#fff;
      font-size:13px
    }
    .mini-links a:hover{background:rgba(255,255,255,.13)}
    .download-panel{
      background:var(--green-deep);
      color:#fff;
      border-radius:var(--radius-lg);
      padding:34px 38px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:30px;
      align-items:center;
      overflow:hidden;
      position:relative
    }
    .download-panel:after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border:1px solid rgba(216,189,136,.25);
      border-radius:50%;
      right:-80px;
      bottom:-150px
    }
    .download-panel h2{font-size:28px;margin:0 0 8px}
    .download-panel p{color:#bfd2c9;margin:0;max-width:650px}
    .download-actions{display:flex;gap:10px;position:relative;z-index:1}
    .faq-layout{
      display:grid;
      grid-template-columns:.7fr 1.3fr;
      gap:55px
    }
    .faq-layout h2{font-size:30px;color:var(--green);line-height:1.35;margin:0 0 12px}
    .faq-layout p{color:var(--muted)}
    .faq-box{
      overflow:hidden;
      background:var(--paper)
    }
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:19px 22px;
      color:var(--green);
      font-weight:700;
      position:relative;
      padding-right:52px
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      position:absolute;
      right:22px;
      top:15px;
      font-size:24px;
      color:var(--coral)
    }
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14px}
    .cta-band{padding:0 0 88px}
    .cta-inner{
      background:var(--coral);
      color:#fff;
      border-radius:var(--radius-lg);
      padding:30px 35px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:25px
    }
    .cta-inner h2{font-size:25px;margin:0 0 5px}
    .cta-inner p{margin:0;color:#fff0e9;font-size:14px}
    .cta-inner .btn-outline{border-color:#fff;color:#fff}
    .cta-inner .btn-outline:hover{background:rgba(255,255,255,.15)}
    .footer{background:var(--green-deep);color:#fff;padding:58px 0 22px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:35px
    }
    .footer .logo{color:#fff}
    .footer .logo-mark{border-color:#fff}
    .footer h3{font-size:15px;margin:3px 0 14px;color:#e5eee8}
    .footer p,.footer a{color:#b8cec4;font-size:13px}
    .footer p{max-width:260px;margin-top:17px}
    .footer a{display:block;margin:8px 0}
    .footer a:hover{color:#fff}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:20px;
      border-top:1px solid rgba(220,235,226,.16);
      margin-top:38px;
      padding-top:19px;
      color:#91aaa0;
      font-size:12px
    }
    .floating-tools{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:10;
      display:grid;
      gap:8px
    }
    .floating-tools a{
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      background:var(--paper);
      color:var(--green);
      border:1px solid var(--line);
      border-radius:11px;
      box-shadow:0 8px 20px rgba(20,56,47,.12);
      font-size:13px;
      font-weight:700
    }
    .floating-tools a:hover{background:var(--green);color:#fff;transform:translateY(-2px)}
    .mobile-bar{display:none}
    :focus-visible{outline:3px solid rgba(216,117,85,.55);outline-offset:3px}
    @media(max-width:1100px){
      .navbar{gap:15px}
      .nav-links a{padding:8px 8px}
      .type-panel{grid-template-columns:78px 1fr 170px}
    }
    @media(max-width:900px){
      .nav-links{display:none}
      .nav-download{margin-left:auto}
      .menu-toggle{display:block}
      .banner-grid,.intro-grid,.feature-strip,.faq-layout{grid-template-columns:1fr}
      .banner-art{min-height:190px;justify-content:flex-start}
      .banner-copy p{max-width:700px}
      .type-panel{grid-template-columns:70px 1fr}
      .type-side{grid-column:2}
      .download-panel{grid-template-columns:1fr}
      .download-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid>div:last-child{display:none}
    }
    @media(max-width:650px){
      .container{width:min(100% - 32px,var(--container))}
      .navbar{height:68px}
      .logo{font-size:14px}
      .logo-mark{width:30px;height:30px}
      .nav-download{display:none}
      .inner-banner{min-height:390px;padding:50px 0 35px}
      .banner-copy h1{font-size:32px}
      .banner-copy p{font-size:15px}
      .banner-art{min-height:155px}
      .art-panel{width:270px;height:165px}
      .section{padding:60px 0}
      .section-head{display:block}
      .section-head h2{font-size:27px}
      .section-link{display:inline-block;margin-top:13px}
      .intro-copy h2{font-size:26px}
      .type-panel{display:block;padding:23px}
      .type-number{font-size:35px;margin-bottom:15px}
      .type-side{margin-top:18px}
      .guide-card,.rule-card{padding:24px}
      .download-panel{padding:27px 24px}
      .download-panel h2{font-size:24px}
      .download-actions{display:grid;grid-template-columns:1fr}
      .download-actions .btn{width:100%}
      .cta-inner{display:block;padding:25px}
      .cta-inner .btn{margin-top:18px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:23px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin:6px 0}
      .floating-tools{display:none}
      .mobile-bar{
        position:fixed;
        display:grid;
        grid-template-columns:1.2fr 1fr 1fr;
        bottom:0;
        left:0;
        right:0;
        z-index:30;
        background:rgba(8,43,39,.97);
        padding:8px 10px calc(8px + env(safe-area-inset-bottom));
        gap:7px
      }
      .mobile-bar a{
        min-height:42px;
        display:grid;
        place-items:center;
        border-radius:9px;
        color:#dcebe2;
        font-size:12px;
        border:1px solid rgba(220,235,226,.18)
      }
      .mobile-bar a:first-child{background:var(--coral);color:#fff;border-color:var(--coral)}
      body{padding-bottom:65px}
    }

/* roulang page: category3 */
:root{
      --green:#0b3d35;
      --green-deep:#082b27;
      --green-soft:#dcebe2;
      --cream:#f5f2ea;
      --paper:#fffdf8;
      --ink:#18332e;
      --muted:#6c7d76;
      --line:#d8e1d9;
      --coral:#d87555;
      --coral-dark:#bd5e42;
      --champagne:#d8bd88;
      --radius-lg:22px;
      --radius-md:15px;
      --shadow:0 18px 45px rgba(20,56,47,.10);
      --container:1200px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--cream);
      color:var(--ink);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{font-weight:800}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}

    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(245,242,234,.95);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(11,61,53,.09);
    }
    .navbar{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:30px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--green);
      font-weight:800;
      font-size:17px;
      white-space:nowrap;
    }
    .logo-mark{
      width:35px;
      height:35px;
      border:2px solid var(--green);
      border-radius:11px 18px 11px 18px;
      position:relative;
      transform:rotate(-10deg);
      flex:none;
    }
    .logo-mark:after{
      content:"";
      position:absolute;
      width:10px;
      height:10px;
      background:var(--coral);
      border-radius:50%;
      right:4px;
      top:4px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:5px;
      margin-left:auto;
    }
    .nav-links a{
      position:relative;
      padding:9px 13px;
      color:#47645c;
      font-size:14px;
      border-radius:9px;
    }
    .nav-links a:after{
      content:"";
      position:absolute;
      left:13px;
      right:13px;
      bottom:4px;
      height:2px;
      background:var(--coral);
      transform:scaleX(0);
      transition:.25s;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:var(--green);
      background:var(--green-soft);
    }
    .nav-links a:hover:after,
    .nav-links a.active:after{transform:scaleX(1)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border:1px solid transparent;
      border-radius:11px;
      font-weight:700;
      font-size:14px;
      transition:.25s;
    }
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{
      background:var(--coral-dark);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 9px 20px rgba(189,94,66,.22);
    }
    .btn-outline{
      border-color:var(--green);
      color:var(--green);
      background:transparent;
    }
    .btn-outline:hover{
      background:var(--green-soft);
      color:var(--green);
      transform:translateY(-2px);
    }
    .nav-download{min-height:42px;padding:0 16px}
    .menu-toggle{
      display:none;
      border:0;
      background:transparent;
      color:var(--green);
      font-size:25px;
      padding:7px;
    }

    .page-banner{
      position:relative;
      overflow:hidden;
      padding:64px 0 58px;
      background:var(--green-deep);
      color:#fff;
    }
    .page-banner:before{
      content:"";
      position:absolute;
      width:460px;
      height:460px;
      right:-90px;
      top:-205px;
      border:1px solid rgba(216,189,136,.34);
      border-radius:50%;
      box-shadow:0 0 0 26px rgba(216,189,136,.06),0 0 0 58px rgba(216,189,136,.04);
    }
    .page-banner:after{
      content:"";
      position:absolute;
      left:46%;
      bottom:-180px;
      width:430px;
      height:430px;
      border:1px solid rgba(220,235,226,.13);
      border-radius:50%;
    }
    .banner-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:60px;
      align-items:center;
    }
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--coral-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em;
    }
    .page-banner .eyebrow{color:#e5c997}
    .eyebrow:before{
      content:"";
      width:22px;
      height:2px;
      background:var(--coral);
    }
    .page-banner h1{
      max-width:720px;
      margin:14px 0 14px;
      font-size:clamp(34px,4.2vw,48px);
      line-height:1.2;
      letter-spacing:-.04em;
    }
    .page-banner p{
      max-width:650px;
      color:#c8ded4;
      font-size:17px;
      margin-bottom:0;
    }
    .banner-art{
      min-height:235px;
      display:flex;
      justify-content:center;
      align-items:center;
      position:relative;
    }
    .phone{
      width:150px;
      height:285px;
      padding:9px;
      border:6px solid #173f38;
      border-radius:28px;
      background:#102f2b;
      box-shadow:0 20px 35px rgba(0,0,0,.2);
      transform:rotate(7deg);
      position:relative;
      z-index:2;
    }
    .phone-back{
      position:absolute;
      width:130px;
      height:250px;
      border:1px solid rgba(216,189,136,.35);
      border-radius:25px;
      transform:rotate(-11deg) translate(-53px,8px);
      background:rgba(216,189,136,.09);
    }
    .phone-screen{
      height:100%;
      border-radius:17px;
      overflow:hidden;
      background:var(--cream);
    }
    .screen-top{
      height:68px;
      padding:15px 12px;
      background:var(--green);
      color:#fff;
      font-size:11px;
    }
    .screen-line{
      height:8px;
      width:55%;
      border-radius:5px;
      background:#b9d6c6;
      margin-top:7px;
    }
    .screen-block{
      height:54px;
      margin:11px;
      border-radius:10px;
      background:#d7e7da;
      position:relative;
    }
    .screen-block:before{
      content:"";
      position:absolute;
      left:10px;
      top:13px;
      width:28px;
      height:28px;
      border-radius:8px;
      background:var(--coral);
    }
    .screen-block:after{
      content:"";
      position:absolute;
      left:49px;
      right:12px;
      top:17px;
      height:7px;
      border-radius:5px;
      background:#7fa796;
      box-shadow:0 14px 0 #abc5b7;
    }

    .section{padding:86px 0}
    .section-alt{background:#eef3ed}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:30px;
    }
    .section-head h2{
      margin-bottom:0;
      color:var(--green);
      font-size:32px;
      line-height:1.3;
      letter-spacing:-.03em;
    }
    .section-head p{color:var(--muted);margin:8px 0 0}
    .section-link{
      color:var(--coral-dark);
      font-weight:700;
      font-size:14px;
      white-space:nowrap;
    }
    .anchor-nav{
      display:flex;
      gap:10px;
      padding:14px;
      margin-top:-34px;
      position:relative;
      z-index:3;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:15px;
      box-shadow:var(--shadow);
      overflow-x:auto;
    }
    .anchor-nav a{
      flex:none;
      padding:8px 15px;
      border-radius:9px;
      color:var(--muted);
      font-size:14px;
    }
    .anchor-nav a:hover,
    .anchor-nav a.active{
      color:var(--green);
      background:var(--green-soft);
    }

    .download-layout{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:25px;
      align-items:stretch;
    }
    .download-panel,
    .check-panel,
    .issue-card,
    .faq-box{
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .download-panel{
      padding:34px;
      background:var(--green);
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .download-panel:after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-130px;
      bottom:-125px;
      border:1px solid rgba(216,189,136,.35);
      border-radius:50%;
    }
    .download-panel h2{
      position:relative;
      z-index:1;
      font-size:28px;
      line-height:1.35;
      margin-bottom:12px;
    }
    .download-panel p{
      position:relative;
      z-index:1;
      color:#c8ded4;
      font-size:14px;
    }
    .qr-row{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      gap:20px;
      margin:28px 0;
    }
    .qr-code{
      width:118px;
      height:118px;
      flex:none;
      padding:10px;
      border-radius:12px;
      background:#fff;
      display:grid;
      grid-template-columns:repeat(7,1fr);
      gap:3px;
    }
    .qr-code span{background:var(--green-deep);border-radius:1px}
    .qr-code span:nth-child(3n),
    .qr-code span:nth-child(5n){background:transparent}
    .qr-copy strong{display:block;font-size:16px;margin-bottom:4px}
    .qr-copy small{display:block;color:#c8ded4;line-height:1.7}
    .download-buttons{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .download-buttons .btn-primary{background:var(--coral)}
    .download-buttons .btn-outline{
      color:#fff;
      border-color:rgba(255,255,255,.55);
    }
    .download-buttons .btn-outline:hover{
      color:var(--green);
      background:#fff;
    }
    .compatibility{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
      color:#c8ded4;
      font-size:12px;
    }
    .compatibility span{
      padding:5px 9px;
      border:1px solid rgba(255,255,255,.2);
      border-radius:7px;
    }

    .check-panel{padding:34px}
    .check-panel h3{
      color:var(--green);
      font-size:22px;
      margin-bottom:8px;
    }
    .check-panel > p{color:var(--muted);font-size:14px}
    .check-list{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin:25px 0 0;
    }
    .check-item{
      padding:17px;
      border:1px solid var(--line);
      border-radius:13px;
      background:#fbfaf4;
    }
    .check-icon{
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      margin-bottom:10px;
      color:var(--green);
      background:var(--green-soft);
      border-radius:9px;
      font-weight:800;
    }
    .check-item strong{display:block;color:var(--green);font-size:15px}
    .check-item small{display:block;color:var(--muted);font-size:12px;line-height:1.6;margin-top:3px}

    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .step{
      position:relative;
      padding:26px 22px;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      min-height:205px;
      transition:.25s;
    }
    .step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a9c5b5}
    .step-number{
      display:flex;
      align-items:center;
      justify-content:space-between;
      color:var(--champagne);
      font-size:36px;
      font-weight:800;
      line-height:1;
    }
    .step-number:after{
      content:"→";
      color:var(--coral);
      font-size:22px;
    }
    .step:last-child .step-number:after{content:"✓"}
    .step h3{color:var(--green);font-size:19px;margin:24px 0 7px}
    .step p{color:var(--muted);font-size:14px;margin-bottom:0}

    .details-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:start;
    }
    .accordion{
      display:grid;
      gap:12px;
    }
    .accordion-item{
      overflow:hidden;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:14px;
    }
    .accordion-button{
      width:100%;
      min-height:62px;
      padding:16px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      border:0;
      background:transparent;
      color:var(--green);
      font-weight:700;
      text-align:left;
    }
    .accordion-button:after{
      content:"+";
      color:var(--coral);
      font-size:23px;
      font-weight:400;
    }
    .accordion-item.open .accordion-button:after{content:"−"}
    .accordion-content{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:14px;
    }
    .accordion-item.open .accordion-content{display:block}
    .version-card{
      padding:30px;
      background:var(--green-soft);
      border:1px solid #c4d9ca;
      border-radius:var(--radius-lg);
    }
    .version-card .badge{color:var(--green)}
    .version-card h3{color:var(--green);font-size:24px;margin:14px 0 8px}
    .version-card p{color:#587269;font-size:14px}
    .version-list{list-style:none;padding:0;margin:22px 0}
    .version-list li{
      padding:11px 0;
      border-bottom:1px solid rgba(11,61,53,.12);
      color:#49665c;
      font-size:14px;
    }
    .version-list li:last-child{border-bottom:0}
    .version-list b{color:var(--green);margin-right:8px}

    .issues{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .issue-card{padding:25px;transition:.25s}
    .issue-card:hover{transform:translateY(-4px);border-color:#a9c5b5}
    .issue-card .issue-label{
      display:inline-block;
      padding:5px 9px;
      background:#f7e4dc;
      color:var(--coral-dark);
      border-radius:7px;
      font-size:12px;
      font-weight:700;
    }
    .issue-card h3{color:var(--green);font-size:19px;margin:17px 0 8px}
    .issue-card p{color:var(--muted);font-size:14px;margin-bottom:18px}
    .text-link{color:var(--coral-dark);font-size:14px;font-weight:700}

    .cta{
      padding:58px 0;
      background:var(--green-deep);
      color:#fff;
    }
    .cta-box{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta h2{font-size:30px;line-height:1.35;margin-bottom:8px}
    .cta p{color:#c8ded4;margin-bottom:0}
    .cta-actions{display:flex;gap:10px;flex:none}
    .cta-actions .btn-outline{color:#fff;border-color:rgba(255,255,255,.5)}
    .cta-actions .btn-outline:hover{color:var(--green)}

    .footer{
      padding:54px 0 22px;
      background:var(--green);
      color:#fff;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr 1fr 1fr 1fr;
      gap:34px;
    }
    .footer .logo{color:#fff;margin-bottom:17px}
    .footer .logo-mark{border-color:#fff}
    .footer p{max-width:260px;color:#bfd2c9;font-size:14px}
    .footer h3{font-size:15px;margin:4px 0 15px}
    .footer-grid > div:not(:first-child) a{
      display:block;
      color:#bfd2c9;
      font-size:13px;
      margin:9px 0;
    }
    .footer-grid > div:not(:first-child) a:hover{color:#fff;transform:translateX(3px)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:20px;
      flex-wrap:wrap;
      border-top:1px solid rgba(255,255,255,.14);
      margin-top:38px;
      padding-top:18px;
      color:#a9c4b8;
      font-size:12px;
    }
    .floating-tools{
      position:fixed;
      right:20px;
      bottom:22px;
      z-index:15;
      display:grid;
      gap:8px;
    }
    .floating-tools a,
    .to-top{
      width:46px;
      min-height:43px;
      display:grid;
      place-items:center;
      border:1px solid rgba(11,61,53,.12);
      border-radius:11px;
      background:var(--paper);
      color:var(--green);
      box-shadow:0 8px 22px rgba(20,56,47,.12);
      font-size:12px;
    }
    .floating-tools a:hover,
    .to-top:hover{background:var(--green-soft)}
    .to-top{display:none;border:0}
    .mobile-bar{display:none}

    @media (max-width:1100px){
      .navbar{gap:16px}
      .nav-links a{padding-left:9px;padding-right:9px}
      .banner-grid{gap:35px}
      .steps{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:900px){
      .nav-download{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{
        position:absolute;
        top:78px;
        left:0;
        right:0;
        display:none;
        padding:15px 24px 22px;
        margin:0;
        background:var(--cream);
        border-bottom:1px solid var(--line);
        box-shadow:0 15px 30px rgba(20,56,47,.08);
      }
      .nav-links.show{display:grid}
      .nav-links a{padding:12px 14px}
      .banner-grid,
      .download-layout,
      .details-layout{grid-template-columns:1fr}
      .banner-art{min-height:210px}
      .download-panel{min-height:0}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
      .footer-grid > div:last-child{display:none}
    }
    @media (max-width:768px){
      .container{width:min(100% - 36px,var(--container))}
      .page-banner{padding:48px 0 44px}
      .page-banner h1{font-size:34px}
      .section{padding:62px 0}
      .section-head{display:block;margin-bottom:22px}
      .section-link{display:inline-block;margin-top:13px}
      .anchor-nav{margin-top:-22px;padding:9px}
      .check-list{grid-template-columns:1fr 1fr}
      .issues{grid-template-columns:1fr}
      .cta-box{display:block}
      .cta-actions{margin-top:23px}
      .floating-tools{display:none}
      .mobile-bar{
        position:fixed;
        display:grid;
        grid-template-columns:1fr 1fr 1fr;
        left:0;
        right:0;
        bottom:0;
        z-index:40;
        background:rgba(8,43,39,.97);
        box-shadow:0 -8px 25px rgba(0,0,0,.14);
      }
      .mobile-bar a{
        min-height:58px;
        display:grid;
        place-items:center;
        align-content:center;
        gap:1px;
        color:#d7e8de;
        font-size:12px;
        border-right:1px solid rgba(255,255,255,.1);
      }
      .mobile-bar a:first-child{background:var(--coral);color:#fff}
      .mobile-bar b{font-size:18px;line-height:1.1}
      .footer{padding-bottom:78px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 32px)}
      .logo{font-size:14px}
      .logo-mark{width:31px;height:31px}
      .page-banner h1{font-size:30px}
      .page-banner p{font-size:15px}
      .banner-art{transform:scale(.88);margin:-14px 0}
      .download-panel,.check-panel{padding:25px 21px}
      .qr-row{align-items:flex-start;gap:14px}
      .qr-code{width:94px;height:94px;padding:8px}
      .download-buttons{display:grid}
      .download-buttons .btn{width:100%}
      .check-list{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
      .step{min-height:0}
      .cta h2{font-size:25px}
      .cta-actions{display:grid}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-grid > div:first-child{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:8px}
    }

/* roulang page: category4 */
:root{
      --green:#0b3d35;
      --green-deep:#082b27;
      --green-soft:#dcebe2;
      --cream:#f5f2ea;
      --paper:#fffdf8;
      --ink:#18332e;
      --muted:#6c7d76;
      --line:#d8e1d9;
      --coral:#d87555;
      --coral-dark:#bd5e42;
      --champagne:#d8bd88;
      --radius-lg:22px;
      --radius-md:15px;
      --shadow:0 18px 45px rgba(20,56,47,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--cream);
      color:var(--ink);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      line-height:1.75;
      font-size:16px;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(245,242,234,.95);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(11,61,53,.09)
    }
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--green);
      font-weight:800;
      font-size:17px;
      white-space:nowrap
    }
    .logo-mark{
      width:35px;
      height:35px;
      border:2px solid var(--green);
      border-radius:11px 18px 11px 18px;
      position:relative;
      transform:rotate(-10deg);
      flex:none
    }
    .logo-mark:after{
      content:"";
      position:absolute;
      width:10px;
      height:10px;
      background:var(--coral);
      border-radius:50%;
      right:4px;
      top:4px
    }
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links a{
      padding:9px 13px;
      color:#47645c;
      font-size:14px;
      border-radius:9px;
      position:relative
    }
    .nav-links a:after{
      content:"";
      position:absolute;
      left:13px;
      right:13px;
      bottom:4px;
      height:2px;
      background:var(--coral);
      transform:scaleX(0);
      transition:.25s
    }
    .nav-links a:hover,.nav-links a.active{color:var(--green);background:var(--green-soft)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border:1px solid transparent;
      border-radius:11px;
      font-weight:700;
      font-size:14px;
      transition:.25s
    }
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{
      background:var(--coral-dark);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 9px 20px rgba(189,94,66,.22)
    }
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--green-soft);transform:translateY(-2px)}
    .nav-download{min-height:42px;padding:0 16px}
    .menu-toggle{
      display:none;
      border:0;
      background:transparent;
      color:var(--green);
      font-size:25px;
      line-height:1
    }
    .page-banner{
      position:relative;
      overflow:hidden;
      min-height:320px;
      display:flex;
      align-items:center;
      background:var(--green-deep);
      color:#fff
    }
    .page-banner:before{
      content:"";
      position:absolute;
      width:540px;
      height:540px;
      right:-95px;
      top:-195px;
      border:1px solid rgba(216,189,136,.42);
      border-radius:50%;
      box-shadow:0 0 0 28px rgba(216,189,136,.08),0 0 0 58px rgba(216,189,136,.045)
    }
    .page-banner:after{
      content:"";
      position:absolute;
      width:280px;
      height:280px;
      right:185px;
      bottom:-175px;
      border-radius:50%;
      background:rgba(220,235,226,.08)
    }
    .banner-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr .8fr;
      align-items:center;
      gap:70px;
      padding:55px 0
    }
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--coral-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em
    }
    .page-banner .eyebrow{color:#e9c989}
    .eyebrow:before{
      content:"";
      width:22px;
      height:2px;
      background:var(--coral)
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(34px,4vw,48px);
      line-height:1.22;
      letter-spacing:-.04em;
      margin:14px 0 18px
    }
    h2{
      color:var(--green);
      font-size:32px;
      line-height:1.3;
      letter-spacing:-.03em;
      margin-bottom:12px
    }
    h3{color:var(--green);font-size:20px;line-height:1.45}
    .banner-copy p{max-width:650px;color:#c5d8ce;font-size:17px;margin-bottom:0}
    .banner-art{
      min-height:210px;
      display:flex;
      align-items:center;
      justify-content:center
    }
    .notice-board{
      width:min(100%,360px);
      padding:23px;
      border:1px solid rgba(216,189,136,.5);
      border-radius:20px;
      background:rgba(255,253,248,.08);
      box-shadow:0 20px 55px rgba(0,0,0,.16);
      transform:rotate(3deg)
    }
    .board-top{display:flex;justify-content:space-between;align-items:center;color:#dcebe2;font-size:13px}
    .board-line{height:10px;border-radius:10px;background:#dcebe2;margin-top:19px;opacity:.85}
    .board-line.short{width:62%;margin-top:10px;opacity:.42}
    .board-row{
      display:flex;
      align-items:center;
      gap:12px;
      margin-top:22px;
      padding-top:17px;
      border-top:1px solid rgba(220,235,226,.2)
    }
    .board-date{
      width:46px;
      height:51px;
      border-radius:10px;
      background:var(--coral);
      display:grid;
      place-items:center;
      color:#fff;
      font-size:12px;
      line-height:1.2;
      text-align:center
    }
    .board-row span:last-child{font-size:13px;color:#e5f0e8}
    .anchor-wrap{
      background:var(--paper);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 20px rgba(20,56,47,.04)
    }
    .anchor-nav{
      min-height:72px;
      display:flex;
      align-items:center;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none
    }
    .anchor-nav::-webkit-scrollbar{display:none}
    .anchor-nav a{
      flex:none;
      padding:9px 16px;
      color:var(--muted);
      border-radius:9px;
      font-size:14px
    }
    .anchor-nav a:hover{background:var(--green-soft);color:var(--green)}
    .section{padding:82px 0}
    .section-alt{background:#eef3ed}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:30px
    }
    .section-head p{color:var(--muted);margin-bottom:0}
    .section-link{color:var(--coral-dark);font-weight:700;font-size:14px;white-space:nowrap}
    .notice-feature{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:26px;
      align-items:stretch
    }
    .feature-panel,.info-card,.timeline-card,.faq-box,.download-mini,.feedback-box{
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow)
    }
    .feature-panel{
      min-height:300px;
      padding:34px;
      position:relative;
      overflow:hidden;
      background:linear-gradient(135deg,#0b3d35,#286557);
      color:#fff
    }
    .feature-panel:after{
      content:"公告";
      position:absolute;
      right:-11px;
      bottom:-32px;
      color:rgba(216,189,136,.13);
      font-size:118px;
      font-weight:900;
      letter-spacing:-.12em
    }
    .feature-panel h3{position:relative;z-index:1;color:#fff;font-size:27px;margin:20px 0 12px;max-width:530px}
    .feature-panel p{position:relative;z-index:1;color:#cde0d6;max-width:530px}
    .feature-meta{position:relative;z-index:1;display:flex;gap:9px;align-items:center;color:#dfece5;font-size:13px}
    .status{
      display:inline-flex;
      align-items:center;
      min-height:25px;
      padding:3px 9px;
      border-radius:7px;
      font-size:12px;
      font-weight:700
    }
    .status.current{background:#dcebe2;color:var(--green)}
    .status.soon{background:#f2dfc0;color:#805d28}
    .status.closed{background:#e8e9e4;color:#68746e}
    .feature-panel .btn{margin-top:21px;position:relative;z-index:1}
    .focus-list{display:grid;gap:12px}
    .focus-item{
      display:grid;
      grid-template-columns:72px 1fr;
      gap:15px;
      align-items:center;
      padding:19px 21px;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:15px;
      transition:.25s
    }
    .focus-item:hover{transform:translateX(4px);border-color:rgba(11,61,53,.35);box-shadow:0 10px 22px rgba(20,56,47,.08)}
    .date-box{
      padding:9px 5px;
      text-align:center;
      border-radius:10px;
      background:var(--green-soft);
      color:var(--green);
      font-weight:800;
      line-height:1.25
    }
    .date-box b{display:block;font-size:22px}
    .date-box small{font-size:11px}
    .focus-item h3{font-size:16px;margin:3px 0 5px}
    .focus-item p{font-size:13px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .info-card{padding:26px;min-height:230px;transition:.25s}
    .info-card:hover{transform:translateY(-5px);border-color:rgba(11,61,53,.3)}
    .info-icon{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:12px;
      background:var(--green-soft);
      color:var(--green);
      font-size:20px;
      font-weight:800
    }
    .info-card h3{margin:20px 0 8px}
    .info-card p{color:var(--muted);font-size:14px;margin-bottom:16px}
    .text-link{color:var(--coral-dark);font-size:14px;font-weight:700}
    .timeline{
      position:relative;
      max-width:930px;
      margin:0 auto
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:83px;
      top:15px;
      bottom:15px;
      width:1px;
      background:#bdd2c5
    }
    .timeline-item{
      display:grid;
      grid-template-columns:126px 1fr;
      gap:32px;
      position:relative;
      padding-bottom:24px
    }
    .timeline-item:last-child{padding-bottom:0}
    .timeline-date{
      text-align:right;
      padding-top:18px;
      color:var(--green);
      font-size:14px;
      font-weight:800
    }
    .timeline-card{
      padding:21px 25px;
      position:relative
    }
    .timeline-card:before{
      content:"";
      position:absolute;
      left:-39px;
      top:26px;
      width:14px;
      height:14px;
      border:4px solid var(--cream);
      border-radius:50%;
      background:var(--coral)
    }
    .timeline-card h3{font-size:19px;margin:8px 0 6px}
    .timeline-card p{color:var(--muted);font-size:14px;margin-bottom:10px}
    .rules-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
    .rules-copy{padding-right:22px}
    .rules-copy p{color:var(--muted);font-size:16px}
    .rule-list{margin:22px 0 0;padding:0;list-style:none}
    .rule-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:13px 0;
      border-bottom:1px solid var(--line);
      color:#49635b
    }
    .rule-list li:before{
      content:"✓";
      display:grid;
      place-items:center;
      width:22px;
      height:22px;
      flex:none;
      border-radius:50%;
      background:var(--green-soft);
      color:var(--green);
      font-weight:800;
      font-size:12px;
      margin-top:3px
    }
    .faq-box{padding:12px 25px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-question{
      width:100%;
      min-height:64px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:15px;
      border:0;
      background:transparent;
      color:var(--green);
      text-align:left;
      font-weight:700;
      padding:12px 0
    }
    .faq-question span:last-child{font-size:23px;color:var(--coral);transition:.25s}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .3s ease;
      color:var(--muted);
      font-size:14px
    }
    .faq-item.open .faq-answer{max-height:180px}
    .faq-answer p{padding:0 28px 18px 0;margin:0}
    .download-mini{
      padding:28px 32px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:25px;
      background:var(--green);
      color:#fff
    }
    .download-mini h2{color:#fff;font-size:25px;margin-bottom:7px}
    .download-mini p{color:#c8ded4;font-size:14px;margin:0}
    .download-mini .btn{flex:none}
    .footer{
      background:var(--green-deep);
      color:#d5e4db;
      padding:58px 0 20px
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr 1fr 1fr 1fr;
      gap:35px
    }
    .footer .logo{color:#fff;margin-bottom:15px}
    .footer .logo-mark{border-color:#dcebe2}
    .footer p{color:#a9c0b5;font-size:14px;max-width:270px}
    .footer h3{color:#fff;font-size:15px;margin:3px 0 14px}
    .footer-grid>div:not(:first-child) a{display:block;color:#a9c0b5;font-size:14px;margin:8px 0}
    .footer-grid a:hover{color:#fff}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:20px;
      border-top:1px solid rgba(220,235,226,.14);
      margin-top:42px;
      padding-top:18px;
      color:#91aaa0;
      font-size:12px
    }
    .floating-tools{
      position:fixed;
      right:22px;
      bottom:24px;
      z-index:25;
      display:grid;
      gap:8px
    }
    .float-btn{
      min-width:88px;
      min-height:38px;
      border:1px solid var(--line);
      border-radius:10px;
      background:var(--paper);
      color:var(--green);
      box-shadow:0 8px 22px rgba(20,56,47,.12);
      font-size:12px;
      font-weight:700
    }
    .float-btn:hover{background:var(--green-soft);transform:translateY(-2px)}
    .mobile-bar{display:none}
    :focus-visible{outline:3px solid rgba(216,117,85,.45);outline-offset:3px}
    @media(max-width:1100px){
      .navbar{gap:15px}
      .nav-links a{padding-left:8px;padding-right:8px}
      .banner-grid{gap:35px}
    }
    @media(max-width:992px){
      .menu-toggle{display:block;margin-left:auto}
      .nav-download{display:none}
      .nav-links{
        position:absolute;
        top:78px;
        left:0;
        right:0;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:3px;
        padding:15px 24px 22px;
        background:var(--paper);
        border-bottom:1px solid var(--line);
        box-shadow:0 18px 30px rgba(20,56,47,.1)
      }
      .nav-links.show{display:flex}
      .nav-links a{padding:13px 14px}
      .banner-grid{grid-template-columns:1fr}
      .banner-art{display:none}
      .notice-feature,.rules-grid{grid-template-columns:1fr}
      .rules-copy{padding-right:0}
    }
    @media(max-width:768px){
      body{padding-bottom:66px}
      .container{width:min(100% - 40px,var(--container))}
      .section{padding:62px 0}
      .page-banner{min-height:285px}
      h1{font-size:33px}
      h2{font-size:28px}
      .section-head{display:block;margin-bottom:23px}
      .section-link{display:inline-block;margin-top:12px}
      .topic-grid{grid-template-columns:1fr}
      .info-card{min-height:auto}
      .timeline:before{left:19px}
      .timeline-item{grid-template-columns:1fr;gap:0;padding-left:54px}
      .timeline-date{text-align:left;padding:0 0 8px;font-size:13px}
      .timeline-card:before{left:-42px;top:22px}
      .download-mini{display:block;padding:25px}
      .download-mini .btn{margin-top:18px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px 20px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
      .floating-tools{display:none}
      .mobile-bar{
        position:fixed;
        display:grid;
        grid-template-columns:1fr 1fr 1fr;
        left:0;
        right:0;
        bottom:0;
        z-index:40;
        min-height:66px;
        background:rgba(255,253,248,.97);
        border-top:1px solid var(--line);
        box-shadow:0 -8px 25px rgba(20,56,47,.1)
      }
      .mobile-bar a{
        display:flex;
        align-items:center;
        justify-content:center;
        flex-direction:column;
        gap:1px;
        color:var(--muted);
        font-size:12px
      }
      .mobile-bar a strong{font-size:15px;color:var(--green)}
      .mobile-bar a.active{color:var(--coral-dark)}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}
      .navbar{height:70px}
      .nav-links{top:70px;padding-left:16px;padding-right:16px}
      .logo{font-size:14px;gap:8px}
      .logo-mark{width:30px;height:30px}
      .page-banner{min-height:260px}
      .banner-grid{padding:42px 0}
      h1{font-size:29px}
      .banner-copy p{font-size:15px}
      .feature-panel{padding:25px;min-height:275px}
      .feature-panel h3{font-size:23px}
      .focus-item{grid-template-columns:62px 1fr;padding:15px}
      .focus-item p{white-space:normal}
      .faq-box{padding:9px 18px}
      .faq-question{font-size:14px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }

/* roulang page: category5 */
:root{
      --green:#0b3d35;
      --green-deep:#082b27;
      --green-soft:#dcebe2;
      --cream:#f5f2ea;
      --paper:#fffdf8;
      --ink:#18332e;
      --muted:#6c7d76;
      --line:#d8e1d9;
      --coral:#d87555;
      --coral-dark:#bd5e42;
      --champagne:#d8bd88;
      --radius-lg:22px;
      --radius-md:15px;
      --shadow:0 18px 45px rgba(20,56,47,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      background:var(--cream);
      color:var(--ink);
      line-height:1.75;
      font-size:16px;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--coral-dark)}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{font-weight:700}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(245,242,234,.95);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(11,61,53,.09);
    }
    .navbar{
      height:78px;
      display:flex;
      align-items:center;
      gap:30px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--green);
      font-weight:800;
      font-size:17px;
      white-space:nowrap;
    }
    .logo-mark{
      width:35px;
      height:35px;
      border:2px solid var(--green);
      border-radius:11px 18px 11px 18px;
      position:relative;
      transform:rotate(-10deg);
      flex:none;
    }
    .logo-mark:after{
      content:"";
      position:absolute;
      width:10px;
      height:10px;
      background:var(--coral);
      border-radius:50%;
      right:4px;
      top:4px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:5px;
      margin-left:auto;
    }
    .nav-links a{
      padding:9px 13px;
      color:#47645c;
      font-size:14px;
      border-radius:9px;
      position:relative;
    }
    .nav-links a:after{
      content:"";
      position:absolute;
      left:13px;
      right:13px;
      bottom:4px;
      height:2px;
      background:var(--coral);
      transform:scaleX(0);
      transition:.25s;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:var(--green);
      background:var(--green-soft);
    }
    .nav-links a:hover:after,
    .nav-links a.active:after{transform:scaleX(1)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border:1px solid transparent;
      border-radius:11px;
      font-weight:700;
      font-size:14px;
      transition:.25s;
    }
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{
      background:var(--coral-dark);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 9px 20px rgba(189,94,66,.22);
    }
    .btn-outline{
      border-color:var(--green);
      color:var(--green);
      background:transparent;
    }
    .btn-outline:hover{
      background:var(--green-soft);
      color:var(--green);
      transform:translateY(-2px);
    }
    .nav-download{min-height:42px;padding:0 16px}
    .menu-toggle{
      display:none;
      border:0;
      background:transparent;
      color:var(--green);
      font-size:25px;
      line-height:1;
    }
    .page-hero{
      position:relative;
      overflow:hidden;
      padding:62px 0 58px;
      background:var(--green);
      color:#fff;
    }
    .page-hero:before{
      content:"";
      position:absolute;
      width:500px;
      height:500px;
      right:-120px;
      top:-235px;
      border:1px solid rgba(216,189,136,.35);
      border-radius:50%;
      box-shadow:0 0 0 28px rgba(216,189,136,.08),0 0 0 58px rgba(216,189,136,.05);
    }
    .page-hero:after{
      content:"";
      position:absolute;
      width:270px;
      height:270px;
      left:-160px;
      bottom:-180px;
      border-radius:50%;
      background:rgba(220,235,226,.12);
    }
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.12fr .88fr;
      align-items:center;
      gap:70px;
    }
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--coral);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .eyebrow:before{
      content:"";
      width:22px;
      height:2px;
      background:var(--coral);
    }
    .page-hero h1{
      max-width:700px;
      margin:15px 0 16px;
      font-size:clamp(32px,4vw,46px);
      line-height:1.25;
      letter-spacing:-.035em;
    }
    .page-hero p{
      max-width:650px;
      margin-bottom:0;
      color:#c8ded4;
      font-size:17px;
    }
    .hero-art{
      min-height:235px;
      position:relative;
      display:flex;
      justify-content:center;
      align-items:center;
    }
    .guide-board{
      width:315px;
      min-height:205px;
      padding:25px;
      border:1px solid rgba(255,255,255,.25);
      border-radius:24px;
      background:rgba(255,253,248,.10);
      transform:rotate(3deg);
      box-shadow:0 20px 50px rgba(0,0,0,.12);
    }
    .board-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding-bottom:18px;
      border-bottom:1px solid rgba(255,255,255,.2);
      color:#fff;
      font-size:14px;
      font-weight:700;
    }
    .board-dot{
      display:inline-block;
      width:9px;
      height:9px;
      margin-right:5px;
      border-radius:50%;
      background:var(--coral);
    }
    .board-step{
      display:flex;
      align-items:center;
      gap:12px;
      padding:13px 0;
      border-bottom:1px solid rgba(255,255,255,.14);
      color:#e2eee7;
      font-size:13px;
    }
    .board-step:last-child{border-bottom:0}
    .step-number{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      flex:none;
      border-radius:9px;
      background:var(--champagne);
      color:var(--green-deep);
      font-weight:800;
      font-size:13px;
    }
    .anchor-bar{
      background:var(--paper);
      border-bottom:1px solid var(--line);
    }
    .anchor-list{
      display:flex;
      align-items:center;
      gap:8px;
      overflow-x:auto;
      padding:14px 0;
      scrollbar-width:none;
    }
    .anchor-list::-webkit-scrollbar{display:none}
    .anchor-list a{
      flex:none;
      padding:8px 15px;
      border-radius:9px;
      color:var(--muted);
      font-size:14px;
      white-space:nowrap;
    }
    .anchor-list a:hover,
    .anchor-list a.current{
      background:var(--green-soft);
      color:var(--green);
      font-weight:700;
    }
    .section{padding:88px 0}
    .section-alt{background:#eef3ed}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:22px;
      margin-bottom:32px;
    }
    .section-head h2{
      margin-bottom:0;
      color:var(--green);
      font-size:32px;
      line-height:1.3;
      letter-spacing:-.03em;
    }
    .section-head p{
      max-width:650px;
      margin:9px 0 0;
      color:var(--muted);
    }
    .section-link{
      color:var(--coral-dark);
      font-weight:700;
      font-size:14px;
      white-space:nowrap;
    }
    .intro-layout{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:45px;
      align-items:start;
    }
    .intro-panel{
      padding:30px;
      border-radius:var(--radius-lg);
      background:var(--green);
      color:#fff;
      box-shadow:var(--shadow);
    }
    .intro-panel .mini-label{
      color:var(--champagne);
      font-size:13px;
      font-weight:700;
    }
    .intro-panel h2{
      margin:16px 0 14px;
      font-size:28px;
      line-height:1.4;
    }
    .intro-panel p{color:#c8ded4;font-size:15px}
    .intro-points{
      list-style:none;
      padding:0;
      margin:24px 0 0;
    }
    .intro-points li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:11px 0;
      border-top:1px solid rgba(255,255,255,.15);
      color:#e2eee7;
      font-size:14px;
    }
    .intro-points li:before{
      content:"✓";
      color:var(--coral);
      font-weight:800;
    }
    .route-list{
      display:grid;
      gap:15px;
    }
    .route-item{
      display:grid;
      grid-template-columns:58px 1fr auto;
      align-items:center;
      gap:17px;
      padding:20px 22px;
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      background:var(--paper);
      transition:.25s;
    }
    .route-item:hover{
      transform:translateX(4px);
      border-color:rgba(11,61,53,.32);
      box-shadow:var(--shadow);
    }
    .route-icon{
      width:52px;
      height:52px;
      display:grid;
      place-items:center;
      border-radius:16px;
      background:var(--green-soft);
      color:var(--green);
      font-size:21px;
      font-weight:800;
    }
    .route-item h3{
      margin:0 0 4px;
      color:var(--green);
      font-size:18px;
    }
    .route-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .route-arrow{
      color:var(--coral);
      font-size:22px;
    }
    .steps-section{background:#eef3ed}
    .steps-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:20px;
    }
    .step-card{
      position:relative;
      min-height:250px;
      padding:25px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:var(--paper);
      overflow:hidden;
      transition:.25s;
    }
    .step-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow);
      border-color:rgba(11,61,53,.28);
    }
    .step-card:after{
      content:"";
      position:absolute;
      width:110px;
      height:110px;
      right:-42px;
      bottom:-42px;
      border:1px solid rgba(11,61,53,.10);
      border-radius:50%;
    }
    .big-number{
      color:var(--coral);
      font-size:42px;
      line-height:1;
      font-weight:800;
      letter-spacing:-.05em;
    }
    .step-card h3{
      margin:22px 0 9px;
      color:var(--green);
      font-size:20px;
    }
    .step-card p{margin:0;color:var(--muted);font-size:14px}
    .device-section{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:stretch;
    }
    .device-info{
      padding:31px;
      border-radius:var(--radius-lg);
      background:var(--paper);
      border:1px solid var(--line);
    }
    .device-info h2{
      margin:0 0 12px;
      color:var(--green);
      font-size:28px;
    }
    .device-info p{color:var(--muted);font-size:15px}
    .device-checks{
      display:grid;
      gap:12px;
      margin:24px 0;
    }
    .check-line{
      display:flex;
      gap:11px;
      align-items:flex-start;
      padding:13px 15px;
      border-radius:12px;
      background:var(--green-soft);
      color:var(--ink);
      font-size:14px;
    }
    .check-line b{color:var(--coral-dark)}
    .app-preview{
      position:relative;
      min-height:330px;
      padding:30px;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:var(--green-deep);
      color:#fff;
    }
    .app-preview:before{
      content:"";
      position:absolute;
      width:280px;
      height:280px;
      right:-100px;
      top:-100px;
      border:1px solid rgba(216,189,136,.35);
      border-radius:50%;
    }
    .phone{
      position:absolute;
      width:150px;
      height:270px;
      padding:9px;
      border:4px solid #d3ddd4;
      border-radius:25px;
      background:#152e2a;
      box-shadow:0 18px 35px rgba(0,0,0,.25);
    }
    .phone.one{right:95px;bottom:-38px;transform:rotate(-7deg)}
    .phone.two{right:7px;bottom:-24px;transform:rotate(9deg);opacity:.78}
    .phone-screen{
      height:100%;
      padding:14px 10px;
      border-radius:17px;
      background:#f4f1e8;
      color:var(--green);
    }
    .screen-title{
      height:8px;
      width:58px;
      margin-bottom:18px;
      border-radius:5px;
      background:var(--green);
    }
    .screen-banner{
      height:63px;
      margin-bottom:12px;
      border-radius:10px;
      background:linear-gradient(135deg,#286a5c,#9dbdae);
    }
    .screen-lines span{
      display:block;
      height:8px;
      margin:9px 0;
      border-radius:5px;
      background:#c9d8ce;
    }
    .screen-lines span:nth-child(2){width:72%}
    .screen-lines span:nth-child(3){width:86%}
    .app-preview-copy{position:relative;z-index:2;max-width:220px}
    .app-preview-copy h3{font-size:22px;line-height:1.35}
    .app-preview-copy p{color:#bfd2c9;font-size:14px}
    .notice-box{
      margin-top:22px;
      padding:13px 15px;
      border-left:3px solid var(--coral);
      border-radius:0 10px 10px 0;
      background:#fff4ed;
      color:#75584c;
      font-size:14px;
    }
    .guide-blocks{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .guide-block{
      padding:27px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:var(--paper);
    }
    .guide-block:nth-child(3){
      grid-column:1 / -1;
      background:var(--green);
      color:#fff;
    }
    .guide-block h3{
      margin:0 0 10px;
      color:var(--green);
      font-size:21px;
    }
    .guide-block:nth-child(3) h3{color:#fff}
    .guide-block p{margin-bottom:0;color:var(--muted);font-size:14px}
    .guide-block:nth-child(3) p{color:#c8ded4}
    .guide-list{
      display:grid;
      gap:9px;
      margin:17px 0 0;
      padding:0;
      list-style:none;
    }
    .guide-list li{
      position:relative;
      padding-left:21px;
      color:var(--muted);
      font-size:14px;
    }
    .guide-list li:before{
      content:"";
      position:absolute;
      left:0;
      top:10px;
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--coral);
    }
    .guide-block:nth-child(3) .guide-list li{color:#d8e8df}
    .faq-layout{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:48px;
      align-items:start;
    }
    .faq-intro h2{
      margin:0 0 12px;
      color:var(--green);
      font-size:31px;
      line-height:1.35;
    }
    .faq-intro p{color:var(--muted)}
    .faq-box{
      overflow:hidden;
      background:var(--paper);
    }
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:20px 23px;
      border:0;
      background:transparent;
      color:var(--green);
      text-align:left;
      font-weight:700;
    }
    .faq-question span:last-child{
      color:var(--coral);
      font-size:23px;
      transition:.25s;
    }
    .faq-answer{
      display:none;
      padding:0 23px 21px;
      color:var(--muted);
      font-size:14px;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{
      padding:54px 0;
      background:var(--green);
      color:#fff;
    }
    .cta-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
    }
    .cta h2{margin:0 0 8px;font-size:29px}
    .cta p{margin:0;color:#c8ded4;font-size:15px}
    .cta-actions{display:flex;gap:12px;flex:none}
    .cta .btn-outline{border-color:#c8ded4;color:#fff}
    .cta .btn-outline:hover{background:rgba(255,255,255,.12)}
    .footer{
      padding:58px 0 25px;
      background:var(--green-deep);
      color:#d8e8df;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr 1fr 1fr 1fr;
      gap:35px;
      padding-bottom:42px;
    }
    .footer .logo{color:#fff;margin-bottom:15px}
    .footer .logo-mark{border-color:#d8e8df}
    .footer p{max-width:280px;color:#9fbab0;font-size:14px}
    .footer h3{
      margin:4px 0 14px;
      color:#fff;
      font-size:15px;
    }
    .footer-grid>div>a:not(.logo){
      display:block;
      margin:8px 0;
      color:#a9c0b7;
      font-size:14px;
    }
    .footer-grid>div>a:not(.logo):hover{color:#fff}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:20px;
      border-top:1px solid rgba(216,232,223,.15);
      color:#91aaa1;
      font-size:12px;
    }
    .floating-tools{
      position:fixed;
      right:22px;
      bottom:24px;
      z-index:30;
      display:grid;
      gap:8px;
    }
    .floating-tools a,
    .back-top{
      width:43px;
      height:43px;
      display:grid;
      place-items:center;
      border:1px solid var(--line);
      border-radius:11px;
      background:var(--paper);
      color:var(--green);
      box-shadow:0 8px 22px rgba(20,56,47,.12);
      font-size:13px;
      font-weight:700;
    }
    .floating-tools a:first-child{background:var(--coral);border-color:var(--coral);color:#fff}
    .back-top{display:none;border:0}
    .back-top.visible{display:grid}
    .mobile-bar{
      display:none;
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:40;
      grid-template-columns:repeat(3,1fr);
      padding:7px 10px calc(7px + env(safe-area-inset-bottom));
      background:rgba(255,253,248,.97);
      border-top:1px solid var(--line);
      box-shadow:0 -8px 25px rgba(20,56,47,.10);
    }
    .mobile-bar a{
      display:flex;
      flex-direction:column;
      align-items:center;
      gap:1px;
      color:var(--muted);
      font-size:11px;
    }
    .mobile-bar a:first-child{color:var(--coral-dark);font-weight:700}
    .mobile-bar strong{font-size:17px;line-height:1.2}
    @media (max-width:1100px){
      .nav-links{gap:0}
      .nav-links a{padding-left:9px;padding-right:9px}
      .hero-inner{gap:35px}
      .steps-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:900px){
      .nav-download{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{
        position:absolute;
        top:78px;
        left:0;
        right:0;
        display:none;
        padding:16px 24px 22px;
        margin:0;
        background:var(--paper);
        border-bottom:1px solid var(--line);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:grid}
      .nav-links a{padding:13px 15px}
      .hero-inner,
      .intro-layout,
      .faq-layout{grid-template-columns:1fr}
      .hero-art{min-height:210px}
      .guide-board{transform:none}
      .device-section{grid-template-columns:1fr}
      .app-preview{min-height:300px}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 40px))}
      .navbar{height:70px}
      .nav-links{top:70px}
      .page-hero{padding:48px 0 45px}
      .page-hero h1{font-size:32px}
      .page-hero p{font-size:15px}
      .section{padding:62px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head h2{font-size:27px}
      .section-link{display:inline-block;margin-top:14px}
      .route-item{grid-template-columns:49px 1fr auto;padding:16px}
      .route-icon{width:45px;height:45px}
      .steps-grid{grid-template-columns:1fr 1fr;gap:14px}
      .step-card{min-height:220px;padding:20px}
      .guide-blocks{grid-template-columns:1fr}
      .guide-block:nth-child(3){grid-column:auto}
      .cta-inner{display:block}
      .cta-actions{margin-top:22px}
      .footer-grid{grid-template-columns:1.3fr 1fr;gap:28px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
      .floating-tools{right:14px;bottom:78px}
      .mobile-bar{display:grid}
      body{padding-bottom:62px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 32px)}
      .logo{font-size:14px;gap:8px}
      .logo-mark{width:30px;height:30px}
      .logo-mark:after{width:8px;height:8px}
      .page-hero h1{font-size:29px}
      .hero-art{min-height:190px}
      .guide-board{width:100%;max-width:300px;padding:20px}
      .steps-grid{grid-template-columns:1fr}
      .step-card{min-height:auto}
      .device-info,.app-preview{padding:23px}
      .phone{width:127px;height:235px}
      .phone.one{right:72px}
      .phone.two{right:0}
      .cta-actions{display:grid;grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:23px}
      .footer-grid>div:first-child{grid-column:1 / -1}
      .floating-tools{display:none}
    }

/* roulang page: category6 */
:root{
      --green:#0b3d35;
      --green-deep:#082b27;
      --green-soft:#dcebe2;
      --cream:#f5f2ea;
      --paper:#fffdf8;
      --ink:#18332e;
      --muted:#6c7d76;
      --line:#d8e1d9;
      --coral:#d87555;
      --coral-dark:#bd5e42;
      --champagne:#d8bd88;
      --radius-lg:22px;
      --radius-md:15px;
      --shadow:0 18px 45px rgba(20,56,47,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--cream);
      color:var(--ink);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{font-weight:800}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(245,242,234,.94);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(11,61,53,.09);
    }
    .navbar{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:30px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--green);
      font-weight:800;
      font-size:17px;
      white-space:nowrap;
    }
    .logo-mark{
      width:35px;
      height:35px;
      border:2px solid var(--green);
      border-radius:11px 18px 11px 18px;
      position:relative;
      transform:rotate(-10deg);
      flex:0 0 auto;
    }
    .logo-mark:after{
      content:"";
      position:absolute;
      width:10px;
      height:10px;
      background:var(--coral);
      border-radius:50%;
      right:4px;
      top:4px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:5px;
      margin-left:auto;
    }
    .nav-links a{
      padding:9px 13px;
      color:#47645c;
      font-size:14px;
      border-radius:9px;
      position:relative;
    }
    .nav-links a:after{
      content:"";
      position:absolute;
      left:13px;
      right:13px;
      bottom:4px;
      height:2px;
      background:var(--coral);
      transform:scaleX(0);
      transition:.25s;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:var(--green);
      background:var(--green-soft);
    }
    .nav-links a:hover:after,
    .nav-links a.active:after{transform:scaleX(1)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border:1px solid transparent;
      border-radius:11px;
      font-weight:700;
      font-size:14px;
      transition:.25s;
    }
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{
      background:var(--coral-dark);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 9px 20px rgba(189,94,66,.22);
    }
    .btn-outline{
      border-color:var(--green);
      color:var(--green);
      background:transparent;
    }
    .btn-outline:hover{
      background:var(--green-soft);
      color:var(--green);
      transform:translateY(-2px);
    }
    .nav-download{min-height:42px;padding:0 16px}
    .menu-toggle{
      display:none;
      border:0;
      background:transparent;
      color:var(--green);
      font-size:25px;
      line-height:1;
    }
    .page-banner{
      position:relative;
      overflow:hidden;
      background:var(--green-deep);
      color:#fff;
      padding:68px 0 64px;
    }
    .page-banner:before{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      border:1px solid rgba(216,189,136,.28);
      border-radius:50%;
      right:10%;
      top:-190px;
      box-shadow:0 0 0 24px rgba(216,189,136,.06),0 0 0 55px rgba(216,189,136,.04);
    }
    .page-banner:after{
      content:"";
      position:absolute;
      width:170px;
      height:170px;
      right:24%;
      bottom:-105px;
      border:1px solid rgba(220,235,226,.18);
      border-radius:50%;
    }
    .banner-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:60px;
      align-items:center;
    }
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--coral);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .eyebrow:before{
      content:"";
      width:23px;
      height:2px;
      background:var(--coral);
    }
    .page-banner h1{
      max-width:700px;
      margin:14px 0 18px;
      font-size:clamp(32px,4vw,46px);
      line-height:1.22;
      letter-spacing:-.04em;
    }
    .page-banner p{
      max-width:650px;
      margin-bottom:0;
      color:#c8ded4;
      font-size:17px;
    }
    .banner-art{
      min-height:220px;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .help-illustration{
      position:relative;
      width:290px;
      height:205px;
      padding:18px;
      background:#f7f5ed;
      border:8px solid #d4e4d8;
      border-radius:18px;
      box-shadow:0 20px 45px rgba(0,0,0,.18);
      transform:rotate(3deg);
    }
    .help-illustration:before{
      content:"?";
      position:absolute;
      right:-35px;
      top:-39px;
      width:76px;
      height:76px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:var(--coral);
      color:#fff;
      font-size:42px;
      font-weight:800;
      box-shadow:0 10px 25px rgba(0,0,0,.15);
    }
    .art-line{
      height:12px;
      width:72%;
      margin-bottom:13px;
      border-radius:4px;
      background:#c8dacf;
    }
    .art-line.short{width:43%;background:#e5b09d}
    .art-search{
      height:38px;
      margin:22px 0 16px;
      border:1px solid #b9cbc0;
      border-radius:9px;
      background:#fff;
      position:relative;
    }
    .art-search:after{
      content:"⌕";
      position:absolute;
      right:12px;
      top:1px;
      color:var(--green);
      font-size:25px;
    }
    .art-boxes{display:flex;gap:10px}
    .art-boxes span{
      height:42px;
      flex:1;
      border-radius:8px;
      background:#dcebe2;
    }
    .anchor-bar{
      background:var(--paper);
      border-bottom:1px solid var(--line);
    }
    .anchor-scroll{
      display:flex;
      gap:9px;
      overflow:auto;
      padding:15px 0;
      scrollbar-width:none;
    }
    .anchor-scroll::-webkit-scrollbar{display:none}
    .anchor-scroll a{
      flex:0 0 auto;
      padding:7px 14px;
      border:1px solid var(--line);
      border-radius:9px;
      color:var(--muted);
      font-size:13px;
      background:#fff;
    }
    .anchor-scroll a:hover,
    .anchor-scroll a.active{
      border-color:var(--green);
      background:var(--green-soft);
      color:var(--green);
    }
    .section{padding:86px 0}
    .section-alt{background:#eef3ed}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:30px;
    }
    .section-head h2{
      margin-bottom:0;
      color:var(--green);
      font-size:32px;
      line-height:1.3;
      letter-spacing:-.03em;
    }
    .section-head p{
      margin:8px 0 0;
      color:var(--muted);
    }
    .section-link{
      color:var(--coral-dark);
      font-weight:700;
      font-size:14px;
      white-space:nowrap;
    }
    .intro-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:38px;
      align-items:start;
    }
    .intro-copy{
      padding:30px;
      background:var(--green);
      color:#fff;
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .intro-copy h2{font-size:27px;line-height:1.35}
    .intro-copy p{color:#c8ded4}
    .intro-copy .mini-note{
      display:flex;
      gap:12px;
      align-items:flex-start;
      margin-top:25px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.16);
      color:#dbe9df;
      font-size:14px;
    }
    .mini-icon{
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      border-radius:9px;
      background:rgba(216,189,136,.18);
      color:var(--champagne);
      font-weight:800;
    }
    .category-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .category-card{
      min-height:142px;
      padding:23px;
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      background:var(--paper);
      transition:.25s;
    }
    .category-card:hover{
      transform:translateY(-4px);
      border-color:rgba(11,61,53,.45);
      box-shadow:var(--shadow);
    }
    .category-card h3{
      margin:14px 0 5px;
      color:var(--green);
      font-size:19px;
    }
    .category-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .category-index{
      display:inline-grid;
      place-items:center;
      width:32px;
      height:32px;
      border-radius:9px;
      background:var(--green-soft);
      color:var(--green);
      font-weight:800;
      font-size:13px;
    }
    .faq-layout{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:58px;
      align-items:start;
    }
    .faq-intro h2{
      margin:12px 0 14px;
      color:var(--green);
      font-size:32px;
      line-height:1.3;
    }
    .faq-intro p{color:var(--muted)}
    .faq-intro .btn{margin-top:18px}
    .faq-list{
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-question{
      width:100%;
      padding:21px 24px;
      border:0;
      background:transparent;
      color:var(--green);
      text-align:left;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:800;
      font-size:16px;
    }
    .faq-question:hover{background:#f2f7f1}
    .faq-question span:last-child{
      color:var(--coral);
      font-size:24px;
      font-weight:400;
      transition:.25s;
    }
    .faq-question[aria-expanded="true"] span:last-child{transform:rotate(45deg)}
    .faq-answer{
      display:none;
      padding:0 24px 22px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-answer.open{display:block}
    .faq-answer p:last-child{margin-bottom:0}
    .feedback-section{background:#f0eee5}
    .feedback-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:48px;
      align-items:start;
    }
    .feedback-copy h2{
      margin:12px 0 14px;
      color:var(--green);
      font-size:31px;
      line-height:1.35;
    }
    .feedback-copy p{color:var(--muted)}
    .feedback-points{
      display:grid;
      gap:12px;
      margin-top:25px;
    }
    .feedback-point{
      display:flex;
      gap:11px;
      align-items:flex-start;
      color:var(--ink);
      font-size:14px;
    }
    .feedback-point b{
      display:grid;
      place-items:center;
      width:23px;
      height:23px;
      flex:0 0 auto;
      border-radius:50%;
      background:var(--green-soft);
      color:var(--green);
      font-size:12px;
    }
    .form-card{
      padding:30px;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:17px;
    }
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{
      color:var(--green);
      font-size:14px;
      font-weight:700;
    }
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid #cbd8ce;
      border-radius:10px;
      background:#fff;
      color:var(--ink);
      padding:12px 14px;
      outline:0;
      transition:.2s;
    }
    .field textarea{min-height:130px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:var(--green);
      box-shadow:0 0 0 4px rgba(11,61,53,.1);
    }
    .privacy-note{
      margin:15px 0 18px;
      color:var(--muted);
      font-size:12px;
    }
    .submit-row{display:flex;align-items:center;gap:15px;flex-wrap:wrap}
    .form-status{
      color:var(--muted);
      font-size:13px;
    }
    .download-cta{
      padding:28px 32px;
      background:var(--green);
      color:#fff;
      border-radius:var(--radius-lg);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
      box-shadow:var(--shadow);
    }
    .download-cta h2{margin:0 0 7px;font-size:25px}
    .download-cta p{margin:0;color:#c8ded4;font-size:14px}
    .download-cta .btn{flex:0 0 auto}
    .footer{
      padding:58px 0 24px;
      background:var(--green-deep);
      color:#fff;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr 1fr 1fr 1fr;
      gap:35px;
    }
    .footer .logo{color:#fff;margin-bottom:15px}
    .footer .logo-mark{border-color:#dbe9df}
    .footer p{
      max-width:280px;
      margin:0;
      color:#b8cec3;
      font-size:14px;
    }
    .footer h3{
      margin:3px 0 13px;
      color:var(--champagne);
      font-size:15px;
    }
    .footer-grid>div:not(:first-child) a{
      display:block;
      margin:6px 0;
      color:#c8d9d0;
      font-size:14px;
    }
    .footer-grid>div:not(:first-child) a:hover{color:#fff;padding-left:3px}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:20px;
      margin-top:48px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.14);
      color:#a9c0b5;
      font-size:12px;
      line-height:1.7;
    }
    .floating-tools{
      position:fixed;
      right:22px;
      bottom:24px;
      z-index:15;
      display:grid;
      gap:8px;
    }
    .floating-tools a,.floating-tools button{
      width:45px;
      height:45px;
      display:grid;
      place-items:center;
      border:1px solid var(--line);
      border-radius:11px;
      background:var(--paper);
      color:var(--green);
      box-shadow:0 8px 22px rgba(20,56,47,.12);
      font-size:18px;
    }
    .floating-tools a:hover,.floating-tools button:hover{
      background:var(--green);
      color:#fff;
    }
    .mobile-bar{display:none}
    @media(max-width:1100px){
      .navbar{gap:15px}
      .nav-links a{padding-left:9px;padding-right:9px}
      .banner-grid{gap:35px}
    }
    @media(max-width:992px){
      .nav-download{display:none}
      .banner-grid,.intro-grid,.faq-layout,.feedback-grid{grid-template-columns:1fr}
      .banner-art{min-height:180px;justify-content:flex-start}
      .page-banner{padding:55px 0}
      .intro-copy{max-width:680px}
      .faq-intro{max-width:680px}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 40px))}
      .navbar{min-height:68px}
      .logo{font-size:14px}
      .logo-mark{width:31px;height:31px}
      .nav-links{
        display:none;
        position:absolute;
        left:0;
        right:0;
        top:68px;
        padding:14px 20px 22px;
        background:var(--cream);
        border-bottom:1px solid var(--line);
        box-shadow:0 15px 25px rgba(20,56,47,.08);
        flex-direction:column;
        align-items:stretch;
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .menu-toggle{display:block;margin-left:auto}
      .page-banner h1{font-size:34px}
      .page-banner p{font-size:16px}
      .banner-art{justify-content:center}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-head h2,.faq-intro h2,.feedback-copy h2{font-size:27px}
      .section-link{display:inline-block;margin-top:12px}
      .category-grid{grid-template-columns:1fr}
      .download-cta{display:block;padding:26px}
      .download-cta .btn{margin-top:19px}
      .form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .floating-tools{display:none}
      .mobile-bar{
        position:fixed;
        display:grid;
        grid-template-columns:1fr 1fr 1fr;
        left:0;
        right:0;
        bottom:0;
        z-index:25;
        min-height:61px;
        background:rgba(8,43,39,.97);
        box-shadow:0 -8px 25px rgba(0,0,0,.13);
      }
      .mobile-bar a{
        display:flex;
        align-items:center;
        justify-content:center;
        color:#d5e4dc;
        font-size:12px;
        border-right:1px solid rgba(255,255,255,.12);
      }
      .mobile-bar a:first-child{background:var(--coral);color:#fff;font-weight:800}
      .mobile-bar a:last-child{border-right:0}
      .footer{padding-bottom:90px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}
      .page-banner{padding:45px 0 48px}
      .page-banner h1{font-size:30px}
      .help-illustration{transform:scale(.86) rotate(3deg)}
      .form-card{padding:22px 18px}
      .intro-copy{padding:24px}
      .faq-question{padding:18px}
      .faq-answer{padding:0 18px 19px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:26px 18px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
    }

/* roulang page: category6 */
:root{
      --green:#0b3d35;
      --green-deep:#082b27;
      --green-mid:#17584b;
      --green-soft:#dcebe2;
      --cream:#f5f2ea;
      --paper:#fffdf8;
      --ink:#18332e;
      --muted:#6c7d76;
      --line:#d8e1d9;
      --coral:#d87555;
      --coral-dark:#bd5e42;
      --champagne:#d8bd88;
      --white:#fff;
      --shadow:0 18px 45px rgba(20,56,47,.10);
      --shadow-soft:0 10px 26px rgba(20,56,47,.08);
      --radius-lg:22px;
      --radius-md:15px;
      --radius-sm:11px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--cream);
      color:var(--ink);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{font-weight:800}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(245,242,234,.94);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(11,61,53,.09);
    }
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--green);
      font-weight:800;
      font-size:17px;
      white-space:nowrap;
    }
    .logo-mark{
      width:35px;height:35px;
      border:2px solid var(--green);
      border-radius:11px 18px 11px 18px;
      position:relative;
      transform:rotate(-10deg);
      flex:0 0 auto;
    }
    .logo-mark:after{
      content:"";
      position:absolute;
      width:10px;height:10px;
      background:var(--coral);
      border-radius:50%;
      right:4px;top:4px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:5px;
      margin-left:auto;
    }
    .nav-links a{
      padding:9px 13px;
      color:#47645c;
      font-size:14px;
      border-radius:9px;
      position:relative;
    }
    .nav-links a:after{
      content:"";
      position:absolute;
      left:13px;right:13px;bottom:4px;
      height:2px;
      background:var(--coral);
      transform:scaleX(0);
      transition:.25s;
    }
    .nav-links a:hover,.nav-links a.active{
      color:var(--green);
      background:var(--green-soft);
    }
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border:1px solid transparent;
      border-radius:11px;
      font-weight:700;
      font-size:14px;
      transition:.25s;
    }
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{
      background:var(--coral-dark);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 9px 20px rgba(189,94,66,.22);
    }
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--green-soft);transform:translateY(-2px)}
    .nav-download{min-height:42px;padding:0 16px}
    .menu-toggle{
      display:none;
      border:0;
      background:transparent;
      color:var(--green);
      font-size:25px;
    }
    .page-banner{
      position:relative;
      overflow:hidden;
      min-height:326px;
      display:flex;
      align-items:center;
      background:var(--green-deep);
      color:#fff;
    }
    .page-banner:before{
      content:"";
      position:absolute;
      right:-115px;
      top:-205px;
      width:560px;height:560px;
      border:1px solid rgba(216,189,136,.45);
      border-radius:50%;
      box-shadow:0 0 0 28px rgba(216,189,136,.08),0 0 0 58px rgba(216,189,136,.045);
    }
    .page-banner:after{
      content:"?";
      position:absolute;
      right:145px;
      bottom:-62px;
      color:rgba(220,235,226,.08);
      font-size:300px;
      line-height:1;
      font-weight:900;
    }
    .banner-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:50px;
      align-items:center;
    }
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--coral-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em;
    }
    .banner-eyebrow{color:var(--champagne)}
    .eyebrow:before{
      content:"";
      width:22px;height:2px;
      background:var(--coral);
    }
    .page-banner h1{
      max-width:700px;
      margin:13px 0 14px;
      font-size:44px;
      line-height:1.2;
      letter-spacing:-.04em;
    }
    .page-banner p{
      max-width:670px;
      margin-bottom:0;
      color:rgba(255,255,255,.73);
      font-size:17px;
    }
    .help-illustration{
      min-height:220px;
      position:relative;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .help-panel{
      width:275px;
      padding:23px;
      background:rgba(255,253,248,.97);
      color:var(--green);
      border-radius:20px;
      box-shadow:0 22px 45px rgba(0,0,0,.18);
      transform:rotate(3deg);
    }
    .help-panel-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}
    .help-icon{
      width:38px;height:38px;
      border-radius:12px;
      background:var(--green-soft);
      display:grid;
      place-items:center;
      color:var(--green);
      font-weight:900;
      font-size:20px;
    }
    .help-panel strong{font-size:15px}
    .search-line{
      height:40px;
      padding:0 12px;
      display:flex;
      align-items:center;
      gap:8px;
      border:1px solid var(--line);
      border-radius:9px;
      color:#9aa9a1;
      font-size:12px;
    }
    .search-line span{height:7px;background:var(--green-soft);border-radius:8px;flex:1}
    .help-mini-list{display:grid;gap:9px;margin-top:13px}
    .help-mini-list i{
      height:8px;
      display:block;
      border-radius:5px;
      background:#edf1eb;
    }
    .help-mini-list i:nth-child(2){width:74%}
    .help-mini-list i:nth-child(3){width:88%}
    .anchor-wrap{
      background:var(--paper);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:78px;
      z-index:15;
    }
    .anchor-nav{
      display:flex;
      align-items:center;
      gap:8px;
      min-height:66px;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .anchor-nav::-webkit-scrollbar{display:none}
    .anchor-nav a{
      flex:0 0 auto;
      padding:8px 14px;
      border-radius:9px;
      color:var(--muted);
      font-size:14px;
    }
    .anchor-nav a:hover,.anchor-nav a.active{background:var(--green-soft);color:var(--green);font-weight:700}
    .section{padding:88px 0}
    .section-alt{background:#eef3ed}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:30px;
    }
    .section-head h2{
      margin-bottom:0;
      color:var(--green);
      font-size:31px;
      line-height:1.3;
      letter-spacing:-.03em;
    }
    .section-head p{margin:8px 0 0;color:var(--muted)}
    .section-link{color:var(--coral-dark);font-weight:700;font-size:14px;white-space:nowrap}
    .help-layout{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:28px;
      align-items:start;
    }
    .search-card,.question-card,.feedback-card,.tip-card{
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
    }
    .search-card{padding:30px;position:sticky;top:165px}
    .search-card h2{font-size:24px;color:var(--green);margin-bottom:8px}
    .search-card p{color:var(--muted);font-size:14px;margin-bottom:22px}
    .search-form{display:flex;gap:9px;margin-bottom:22px}
    .search-form input{
      min-width:0;
      flex:1;
      height:48px;
      border:1px solid var(--green);
      border-radius:10px;
      padding:0 14px;
      color:var(--ink);
      background:#fff;
      outline:none;
    }
    .search-form input:focus,.feedback-form input:focus,.feedback-form textarea:focus,.feedback-form select:focus{
      box-shadow:0 0 0 4px rgba(216,117,85,.16);
      border-color:var(--coral);
    }
    .hot-title{font-size:13px;font-weight:800;color:var(--green);margin-bottom:10px}
    .hot-tags{display:flex;flex-wrap:wrap;gap:8px}
    .hot-tags a{
      padding:7px 10px;
      background:var(--cream);
      border:1px solid var(--line);
      border-radius:8px;
      color:var(--muted);
      font-size:12px;
    }
    .hot-tags a:hover{border-color:var(--coral);color:var(--coral-dark)}
    .contact-note{
      display:flex;
      gap:12px;
      margin-top:25px;
      padding-top:20px;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
    }
    .contact-note b{color:var(--green);display:block;margin-bottom:2px}
    .question-list{display:grid;gap:13px}
    .question-card{overflow:hidden}
    .question-card summary{
      list-style:none;
      cursor:pointer;
      padding:21px 24px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:var(--green);
      font-weight:800;
    }
    .question-card summary::-webkit-details-marker{display:none}
    .question-card summary:after{
      content:"+";
      width:28px;height:28px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      border:1px solid var(--line);
      border-radius:8px;
      color:var(--coral-dark);
      font-size:20px;
      font-weight:400;
    }
    .question-card[open] summary{background:#f0f5ef}
    .question-card[open] summary:after{content:"−";background:var(--green);color:#fff;border-color:var(--green)}
    .answer{
      padding:0 24px 23px;
      color:var(--muted);
      font-size:14px;
    }
    .answer p{margin-bottom:10px}
    .answer p:last-child{margin-bottom:0}
    .answer ul{padding-left:20px;margin:9px 0 0}
    .answer li{margin:4px 0}
    .topic-section{padding-top:0}
    .topic-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:17px;
    }
    .topic-card{
      min-height:190px;
      padding:25px 22px;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      transition:.25s;
    }
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a9c6b6}
    .topic-number{
      display:flex;
      align-items:center;
      justify-content:space-between;
      color:var(--coral-dark);
      font-size:13px;
      font-weight:800;
    }
    .topic-number span:last-child{font-size:23px;color:var(--champagne)}
    .topic-card h3{font-size:18px;color:var(--green);margin:25px 0 8px}
    .topic-card p{font-size:13px;color:var(--muted);margin-bottom:0}
    .notice-band{
      display:grid;
      grid-template-columns:1fr auto;
      gap:30px;
      align-items:center;
      padding:34px 40px;
      background:var(--green);
      color:#fff;
      border-radius:var(--radius-lg);
      overflow:hidden;
      position:relative;
    }
    .notice-band:after{
      content:"";
      position:absolute;
      right:20%;
      top:-110px;
      width:280px;height:280px;
      border:1px solid rgba(216,189,136,.25);
      border-radius:50%;
    }
    .notice-band > *{position:relative;z-index:1}
    .notice-band h2{font-size:26px;margin-bottom:7px}
    .notice-band p{color:rgba(255,255,255,.7);margin-bottom:0;font-size:14px}
    .faq-area{padding-top:0}
    .feedback-layout{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:28px;
      align-items:stretch;
    }
    .feedback-intro{
      padding:34px;
      background:var(--green-deep);
      color:#fff;
      border-radius:var(--radius-lg);
      position:relative;
      overflow:hidden;
    }
    .feedback-intro:after{
      content:"";
      position:absolute;
      right:-60px;bottom:-80px;
      width:220px;height:220px;
      border:1px solid rgba(216,189,136,.35);
      border-radius:50%;
    }
    .feedback-intro h2{font-size:28px;line-height:1.35}
    .feedback-intro p{color:rgba(255,255,255,.7);font-size:14px}
    .feedback-points{display:grid;gap:15px;margin-top:28px}
    .feedback-points div{display:flex;gap:12px;color:rgba(255,255,255,.82);font-size:14px}
    .point-icon{
      width:28px;height:28px;
      display:grid;place-items:center;
      flex:0 0 auto;
      border-radius:8px;
      background:rgba(220,235,226,.13);
      color:var(--champagne);
      font-weight:800;
    }
    .feedback-card{padding:32px}
    .feedback-card h3{color:var(--green);font-size:22px;margin-bottom:5px}
    .feedback-card > p{font-size:13px;color:var(--muted);margin-bottom:22px}
    .feedback-form{display:grid;gap:15px}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px}
    .field label{font-size:13px;color:var(--green);font-weight:700}
    .feedback-form input,.feedback-form textarea,.feedback-form select{
      width:100%;
      border:1px solid var(--line);
      border-radius:10px;
      background:#fff;
      color:var(--ink);
      padding:11px 13px;
      outline:none;
    }
    .feedback-form input,.feedback-form select{height:46px}
    .feedback-form textarea{min-height:120px;resize:vertical}
    .privacy-tip{font-size:12px;color:var(--muted);margin:0}
    .form-actions{display:flex;align-items:center;gap:15px}
    .footer{
      background:var(--green-deep);
      color:rgba(255,255,255,.75);
      padding:62px 0 22px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:35px;
    }
    .footer .logo{color:#fff;margin-bottom:17px}
    .footer .logo-mark{border-color:#dcebe2}
    .footer h3{color:#fff;font-size:15px;margin:5px 0 15px}
    .footer p{font-size:13px;max-width:250px;line-height:1.8}
    .footer-grid > div > a:not(.logo){
      display:block;
      width:max-content;
      color:rgba(255,255,255,.68);
      font-size:13px;
      margin:8px 0;
    }
    .footer-grid > div > a:not(.logo):hover{color:#fff;transform:translateX(3px)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:20px;
      border-top:1px solid rgba(255,255,255,.13);
      margin-top:42px;
      padding-top:18px;
      color:rgba(255,255,255,.5);
      font-size:12px;
    }
    .floating-tools{
      position:fixed;
      right:22px;
      bottom:24px;
      z-index:25;
      display:grid;
      gap:8px;
    }
    .floating-tools a,.to-top{
      width:46px;height:42px;
      display:grid;
      place-items:center;
      background:var(--paper);
      color:var(--green);
      border:1px solid var(--line);
      border-radius:10px;
      box-shadow:var(--shadow-soft);
      font-size:12px;
      font-weight:700;
    }
    .floating-tools a:first-child{background:var(--coral);border-color:var(--coral);color:#fff}
    .floating-tools a:hover,.to-top:hover{transform:translateY(-2px);border-color:var(--green)}
    .mobile-bar{display:none}
    :focus-visible{outline:3px solid rgba(216,117,85,.48);outline-offset:3px}
    @media(max-width:1100px){
      .nav-links a{padding-left:8px;padding-right:8px}
      .navbar{gap:15px}
      .topic-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:992px){
      .nav-download{display:none}
      .menu-toggle{display:block;margin-left:0}
      .nav-links{
        display:none;
        position:absolute;
        left:24px;right:24px;top:78px;
        padding:12px;
        background:var(--paper);
        border:1px solid var(--line);
        border-radius:14px;
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:grid}
      .nav-links a{padding:12px 14px}
      .banner-grid{grid-template-columns:1fr;gap:15px}
      .page-banner{padding:62px 0 35px}
      .help-illustration{min-height:165px;justify-content:flex-start}
      .help-panel{transform:rotate(2deg);margin-left:8px}
      .help-layout,.feedback-layout{grid-template-columns:1fr}
      .search-card{position:static}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid > div:last-child{display:none}
    }
    @media(max-width:768px){
      body{padding-bottom:68px}
      .container{width:min(var(--container),calc(100% - 36px))}
      .navbar{height:68px}
      .nav-links{top:68px;left:18px;right:18px}
      .anchor-wrap{top:68px}
      .page-banner h1{font-size:34px}
      .page-banner p{font-size:15px}
      .section{padding:62px 0}
      .section-head{display:block;margin-bottom:22px}
      .section-head h2{font-size:27px}
      .section-link{display:inline-block;margin-top:12px}
      .topic-grid{grid-template-columns:1fr 1fr}
      .notice-band{grid-template-columns:1fr;padding:28px}
      .feedback-card,.feedback-intro,.search-card{padding:25px}
      .floating-tools{display:none}
      .mobile-bar{
        position:fixed;
        left:0;right:0;bottom:0;
        z-index:40;
        display:grid;
        grid-template-columns:repeat(3,1fr);
        height:64px;
        background:rgba(255,253,248,.97);
        border-top:1px solid var(--line);
        box-shadow:0 -8px 22px rgba(20,56,47,.10);
      }
      .mobile-bar a{
        display:grid;
        place-items:center;
        align-content:center;
        gap:1px;
        color:var(--muted);
        font-size:11px;
      }
      .mobile-bar a strong{font-size:20px;line-height:1;color:var(--green)}
      .mobile-bar a.active{color:var(--coral-dark)}
      .mobile-bar a.active strong{color:var(--coral-dark)}
    }
    @media(max-width:520px){
      .logo{font-size:14px;gap:7px}
      .logo-mark{width:30px;height:30px}
      .page-banner{min-height:0;padding:50px 0 26px}
      .page-banner h1{font-size:29px}
      .help-panel{width:245px;padding:19px}
      .topic-grid{grid-template-columns:1fr}
      .form-row{grid-template-columns:1fr}
      .form-actions{display:grid}
      .form-actions .btn{width:100%}
      .copyright{display:grid;gap:6px}
      .footer{padding-top:48px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:20px}
      .footer-grid > div:first-child{grid-column:1/-1}
      .footer-grid > div:last-child{display:block}
      .search-form{display:grid;grid-template-columns:1fr}
      .search-form .btn{width:100%}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}