/* roulang page: index */
:root{
  --green:#176b5b;
  --green-dark:#0e4d42;
  --green-soft:#e6f0ea;
  --orange:#e5a34d;
  --orange-soft:#fff3df;
  --cream:#f7f5ef;
  --white:#fff;
  --ink:#202824;
  --muted:#69736d;
  --light:#98a29c;
  --line:#dfe6df;
  --shadow:0 16px 40px rgba(23,61,50,.09);
  --shadow-sm:0 8px 22px rgba(23,61,50,.07);
  --radius:16px;
  --radius-sm:11px;
  --container:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:var(--cream);color:var(--ink);line-height:1.75;font-size:15px}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
.site-header{height:78px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--green);letter-spacing:-.5px;white-space:nowrap}
.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:4px 4px 0 var(--orange)}
.logo-text{font-size:17px}
.main-nav{display:flex;align-items:center;gap:24px}
.main-nav a{color:#53615a;font-size:14px;position:relative;padding:26px 0;transition:.2s}
.main-nav a:hover,.main-nav a.active{color:var(--green)}
.main-nav a.active:after{content:"";position:absolute;height:3px;background:var(--orange);border-radius:3px;bottom:0;left:0;right:0}
.nav-download,.btn-primary{background:var(--green);color:#fff!important;border-radius:10px;padding:11px 18px!important;box-shadow:var(--shadow-sm);transition:.2s}
.nav-download:hover,.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 12px 22px rgba(23,107,91,.2)}
.menu-toggle{display:none;background:transparent;color:var(--green);font-size:25px;padding:6px}
.hero{padding:82px 0 76px;background:var(--white);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:65px;align-items:center}
.eyebrow,.section-kicker{color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:16px}
.hero h1{font-size:clamp(36px,5vw,64px);line-height:1.18;letter-spacing:-2.5px;max-width:680px;margin-bottom:24px}
.hero h1 em{font-style:normal;color:var(--green)}
.hero-copy{font-size:17px;color:var(--muted);max-width:600px;margin-bottom:31px}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent}
.btn-secondary{color:var(--green);background:#fff;border-color:var(--green)}
.btn-secondary:hover{background:var(--green-soft);transform:translateY(-2px)}
.hero-note{margin-top:23px;font-size:12px;color:var(--light)}
.hero-visual{min-height:405px;position:relative;background:var(--green-soft);border-radius:28px;padding:30px;display:flex;align-items:center;justify-content:center}
.hero-visual:before{content:"";position:absolute;width:210px;height:210px;background:var(--orange);border-radius:50%;right:-40px;top:-45px;opacity:.7}
.display-panel{position:relative;width:min(100%,410px);background:#fff;border:1px solid #cfdcd3;border-radius:18px;padding:17px;box-shadow:var(--shadow);z-index:1}
.display-top{display:flex;justify-content:space-between;align-items:center;color:var(--green);font-size:12px;font-weight:700;margin-bottom:17px}
.status-dot{width:8px;height:8px;background:#62a880;border-radius:50%;display:inline-block;margin-right:5px}
.screen{height:190px;border-radius:12px;background:linear-gradient(135deg,#195e51,#3a8c72);padding:22px;color:#fff;position:relative;overflow:hidden}
.screen:after{content:"PG";position:absolute;font-size:110px;font-weight:900;right:-8px;bottom:-43px;color:rgba(255,255,255,.1)}
.screen h3{font-size:22px;line-height:1.3;max-width:190px}
.screen p{font-size:12px;opacity:.82;margin-top:10px}
.screen-bar{height:7px;width:74%;background:var(--orange);border-radius:10px;margin-top:24px}
.panel-bottom{display:flex;justify-content:space-between;margin-top:15px;color:var(--muted);font-size:12px}
.section{padding:94px 0}
.section.white{background:var(--white)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:34px}
.section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px}
.section-head p{max-width:500px;color:var(--muted)}
.quick-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.quick-link{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 17px;min-height:115px;transition:.2s}
.quick-link:hover{border-color:var(--green);transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.quick-link strong{display:block;color:var(--green);font-size:15px;margin:9px 0 4px}
.quick-link span{font-size:12px;color:var(--muted)}
.quick-icon{font-size:21px;color:var(--orange)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.step{padding:28px 25px 12px 0;border-right:1px solid var(--line);margin-right:25px}
.step:last-child{border-right:0;margin-right:0}
.step-num{font-size:35px;font-weight:800;color:var(--orange);line-height:1;margin-bottom:17px}
.step h3{font-size:17px;margin-bottom:7px}
.step p,.feature p,.scene p,.device p,.security p{color:var(--muted);font-size:13px}
.feature-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:64px;align-items:start}
.feature-intro{position:sticky;top:115px}
.feature-intro h2{font-size:34px;line-height:1.3;margin-bottom:16px}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.feature{background:var(--cream);padding:24px;border-radius:var(--radius);border:1px solid var(--line)}
.feature-number{font-size:13px;color:var(--orange);font-weight:800}
.feature h3{font-size:17px;margin:11px 0 6px}
.feature.wide{grid-column:span 2;background:var(--green);color:#fff}
.feature.wide p{color:#d9ebe1}
.content-showcase{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.featured-content{min-height:350px;border-radius:var(--radius);padding:31px;background:var(--green);color:#fff;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}
.featured-content:before{content:"PG";position:absolute;right:25px;top:13px;font-size:170px;font-weight:900;color:rgba(255,255,255,.08)}
.featured-content>*{position:relative;z-index:1}
.badge{display:inline-flex;width:max-content;padding:4px 10px;border-radius:30px;background:var(--orange-soft);color:#8a5a1e;font-size:11px;font-weight:800}
.featured-content h3{font-size:29px;line-height:1.3;margin:16px 0 8px;max-width:370px}
.featured-content p{color:#d9ebe1;max-width:450px;font-size:13px}
.content-rail{display:grid;gap:12px}
.rail-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px;transition:.2s}
.rail-item:hover{border-color:var(--green);transform:translateX(3px)}
.rail-item h3{font-size:16px;margin:10px 0 4px}
.rail-item p{color:var(--muted);font-size:12px}
.scene-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.scene{min-height:160px;padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);position:relative;overflow:hidden}
.scene:after{content:"";width:74px;height:74px;border-radius:50%;position:absolute;right:-20px;bottom:-20px;background:var(--green-soft)}
.scene h3{font-size:18px;margin:22px 0 6px}
.scene-icon{color:var(--green);font-size:24px}
.atlas-layout{display:grid;grid-template-columns:250px 1fr;gap:25px}
.filter-box{background:var(--green);color:#fff;border-radius:var(--radius);padding:25px;height:max-content}
.filter-box h3{font-size:18px;margin-bottom:17px}
.filter-box span{display:block;border-bottom:1px solid rgba(255,255,255,.18);padding:10px 0;color:#d8e8df;font-size:13px}
.atlas-list{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.atlas-row{display:grid;grid-template-columns:120px 1fr 100px;align-items:center;gap:20px;padding:19px 23px;border-bottom:1px solid var(--line)}
.atlas-row:last-child{border-bottom:0}
.cover{height:58px;border-radius:9px;background:var(--green-soft);display:grid;place-items:center;color:var(--green);font-size:23px;font-weight:900}
.atlas-row h3{font-size:15px;margin-bottom:3px}
.atlas-row p{font-size:12px;color:var(--muted)}
.row-meta{font-size:11px;color:var(--light);text-align:right}
.app-section{background:var(--green);color:#fff}
.app-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:center}
.app-device{height:360px;display:flex;justify-content:center;align-items:center}
.phone{width:190px;height:345px;border:8px solid #103d35;border-radius:30px;background:#fff;padding:14px;color:var(--ink);box-shadow:18px 20px 0 rgba(0,0,0,.12);transform:rotate(-5deg)}
.phone-notch{width:65px;height:12px;border-radius:0 0 10px 10px;background:#103d35;margin:-14px auto 18px}
.phone-screen{height:220px;background:var(--green-soft);border-radius:12px;padding:14px}
.phone-screen b{display:block;color:var(--green);font-size:19px;margin-bottom:28px}
.mini-line{height:9px;background:#b7d2c3;border-radius:10px;margin:12px 0}
.app-copy h2{font-size:36px;line-height:1.3;margin-bottom:16px}
.app-copy>p{color:#d9ebe1;margin-bottom:23px}
.app-actions{display:flex;gap:12px;flex-wrap:wrap}
.app-actions .btn-secondary{background:transparent;border-color:#b9d8c9;color:#fff}
.qr-box{border:1px dashed #a9cbb9;width:104px;height:104px;border-radius:10px;display:grid;place-items:center;text-align:center;color:#d9ebe1;font-size:11px;margin-top:24px}
.devices{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}
.device{background:#fff;padding:22px;border:1px solid var(--line);border-radius:var(--radius-sm)}
.device strong{display:block;font-size:19px;color:var(--green);margin-bottom:6px}
.news-layout{display:grid;grid-template-columns:180px 1fr;gap:40px}
.timeline-label{font-size:13px;color:var(--muted);padding-top:5px}
.news-list{border-left:2px solid var(--green-soft);padding-left:25px;display:grid;gap:20px}
.news-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 23px;position:relative;transition:.2s}
.news-item:before{content:"";position:absolute;width:10px;height:10px;background:var(--orange);border:3px solid var(--cream);border-radius:50%;left:-32px;top:25px}
.news-item:hover{border-color:var(--green);box-shadow:var(--shadow-sm)}
.news-meta{font-size:11px;color:var(--light);display:flex;gap:12px;margin-bottom:7px}
.news-item h3{font-size:17px;margin-bottom:5px}
.news-item p{font-size:13px;color:var(--muted)}
.empty-state{padding:28px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted)}
.update-line{display:grid;grid-template-columns:130px 1fr 100px;gap:25px;align-items:center;background:#fff;border-bottom:1px solid var(--line);padding:20px 25px}
.update-line:first-child{border-radius:var(--radius) var(--radius) 0 0}
.update-line:last-child{border-radius:0 0 var(--radius) var(--radius);border-bottom:0}
.version{color:var(--green);font-weight:800}
.update-line p{color:var(--muted);font-size:13px}
.update-date{text-align:right;color:var(--light);font-size:12px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.guide-card{padding:23px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}
.guide-card h3{font-size:16px;margin-bottom:7px}
.guide-card p{color:var(--muted);font-size:13px}
.security-panel{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;background:var(--orange-soft);border:1px solid #f0d29f;border-radius:var(--radius);padding:28px}
.security h3{font-size:16px;color:#7b5726;margin-bottom:6px}
.security p{color:#795f3a}
.faq-list{max-width:850px;margin:0 auto}
.faq-item{border-top:1px solid var(--line)}
.faq-question{width:100%;background:transparent;text-align:left;padding:20px 4px;display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-weight:700}
.faq-question span{font-size:22px;color:var(--green);transition:.2s}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 4px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span{transform:rotate(45deg)}
.final-cta{padding:75px 0;background:var(--green-soft)}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-box h2{font-size:32px;line-height:1.35;margin-bottom:8px}
.cta-box p{color:var(--muted);max-width:650px}
.compliance{font-size:12px;color:var(--muted);margin-top:24px;border-top:1px solid rgba(23,107,91,.15);padding-top:18px}
.site-footer{background:#103f36;color:#d8e9df;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}
.footer-logo{color:#fff;margin-bottom:15px}
.footer-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:15px}
.footer-links{display:grid;gap:8px}
.footer-links a{font-size:13px;color:#b8d0c4;transition:.2s}
.footer-links a:hover{color:var(--orange)}
.footer-desc{font-size:13px;color:#b8d0c4;max-width:300px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#9fb9ad;font-size:12px}
:focus-visible{outline:3px solid rgba(229,163,77,.7);outline-offset:3px}
@media(max-width:1024px){
  .container{width:min(var(--container),calc(100% - 44px))}
  .main-nav{gap:13px}
  .main-nav a{font-size:13px}
  .hero-grid,.app-layout{gap:35px}
  .quick-grid{grid-template-columns:repeat(3,1fr)}
  .scene-strip,.devices{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
}
@media(max-width:768px){
  .site-header,.header-inner{height:66px}
  .logo-text{font-size:14px}
  .logo-mark{width:32px;height:32px}
  .menu-toggle{display:block}
  .main-nav{display:none;position:absolute;left:0;right:0;top:66px;background:#fff;padding:12px 22px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);align-items:stretch;flex-direction:column;gap:0}
  .main-nav.show{display:flex}
  .main-nav a{padding:12px 0}
  .main-nav a.active:after{bottom:6px;right:auto;width:35px}
  .nav-download{margin-top:7px;text-align:center}
  .hero{padding:58px 0 50px}
  .hero-grid,.feature-layout,.content-showcase,.app-layout,.news-layout{grid-template-columns:1fr}
  .hero h1{font-size:40px;letter-spacing:-1.4px}
  .hero-visual{min-height:330px}
  .section{padding:65px 0}
  .section-head{display:block}
  .section-head h2{font-size:28px;margin-bottom:12px}
  .feature-intro{position:static}
  .app-copy h2{font-size:30px}
  .atlas-layout{grid-template-columns:1fr}
  .filter-box{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
  .filter-box h3{width:100%;margin-bottom:0}
  .filter-box span{border:1px solid rgba(255,255,255,.25);padding:5px 10px;border-radius:20px}
  .news-layout{gap:20px}
  .timeline-label{padding-left:2px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-box{display:block}
  .cta-box .btn-row{margin-top:22px}
}
@media(max-width:520px){
  .container{width:calc(100% - 36px)}
  .logo-text{max-width:185px;white-space:normal;line-height:1.2}
  .hero h1{font-size:34px}
  .hero-copy{font-size:15px}
  .btn-row,.app-actions{display:grid;grid-template-columns:1fr 1fr}
  .btn{padding:0 10px;font-size:13px}
  .quick-grid,.scene-strip,.devices,.guide-grid,.feature-list{grid-template-columns:1fr}
  .feature.wide{grid-column:auto}
  .steps{grid-template-columns:1fr 1fr;border-top:0}
  .step{border-right:0;border-top:1px solid var(--line);padding:22px 14px 16px 0;margin-right:12px}
  .atlas-row{grid-template-columns:70px 1fr;gap:12px;padding:16px}
  .cover{height:50px}
  .row-meta{grid-column:2;text-align:left}
  .security-panel{grid-template-columns:1fr;padding:22px}
  .update-line{grid-template-columns:1fr;gap:5px}
  .update-date{text-align:left}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:block}
  .footer-bottom span{display:block;margin-bottom:8px}
  .phone{transform:none}
}

/* roulang page: category1 */
:root{
  --green:#176b5b;
  --green-dark:#0e4d42;
  --green-soft:#e6f0ea;
  --orange:#e5a34d;
  --orange-soft:#fff3df;
  --cream:#f7f5ef;
  --white:#fff;
  --ink:#202824;
  --muted:#69736d;
  --light:#98a29c;
  --line:#dfe6df;
  --shadow:0 16px 40px rgba(23,61,50,.09);
  --shadow-sm:0 8px 22px rgba(23,61,50,.07);
  --radius:16px;
  --radius-sm:11px;
  --container:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:15px;line-height:1.75}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
.site-header{height:78px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.logo{display:flex;align-items:center;gap:11px;color:var(--green);font-weight:800;letter-spacing:-.5px;white-space:nowrap}
.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:4px 4px 0 var(--orange)}
.logo-text{font-size:17px}
.main-nav{display:flex;align-items:center;gap:24px}
.main-nav a{color:#53615a;font-size:14px;position:relative;padding:26px 0;transition:.2s}
.main-nav a:hover,.main-nav a.active{color:var(--green)}
.main-nav a.active:after{content:"";position:absolute;height:3px;background:var(--orange);border-radius:3px;bottom:0;left:0;right:0}
.nav-download,.btn-primary{background:var(--green);color:#fff!important;border-radius:10px;padding:11px 18px!important;box-shadow:var(--shadow-sm);transition:.2s}
.nav-download:hover,.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 12px 22px rgba(23,107,91,.2)}
.menu-toggle{display:none;background:transparent;color:var(--green);font-size:25px;padding:6px}
.page-head{background:var(--white);padding:58px 0 54px;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--light);font-size:13px;margin-bottom:22px}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb span{color:var(--orange)}
.page-head-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}
.eyebrow,.section-kicker{color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:13px}
.page-head h1{font-size:clamp(36px,5vw,60px);line-height:1.18;letter-spacing:-2px;margin:0 0 18px}
.page-head h1 em{font-style:normal;color:var(--green)}
.page-lead{max-width:700px;color:var(--muted);font-size:17px;margin:0}
.head-note{background:var(--green-soft);border-radius:var(--radius);padding:25px 27px;border-left:4px solid var(--orange)}
.head-note strong{display:block;color:var(--green);font-size:18px;margin-bottom:6px}
.head-note p{margin:0;color:var(--muted);font-size:13px}
.section{padding:82px 0}
.section.white{background:var(--white)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:30px}
.section-head h2{font-size:31px;line-height:1.25;letter-spacing:-1px;margin:0}
.section-head p{max-width:530px;color:var(--muted);margin:0}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;transition:.2s}
.info-card:hover{border-color:var(--green);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.info-card h3{font-size:19px;margin:0 0 8px}
.info-card p{color:var(--muted);font-size:14px;margin:0}
.pill-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:19px}
.pill,.badge{display:inline-flex;align-items:center;width:max-content;padding:5px 11px;border-radius:30px;background:var(--orange-soft);color:#8a5a1e;font-size:12px;font-weight:700}
.badge.green{background:var(--green-soft);color:var(--green)}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:38px;align-items:start}
.content-list{display:grid;gap:14px}
.content-item{display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:21px 23px;transition:.2s}
.content-item:hover{border-color:var(--green);box-shadow:var(--shadow-sm);transform:translateX(3px)}
.item-index{height:66px;width:66px;background:var(--green-soft);border-radius:14px;display:grid;place-items:center;color:var(--green);font-size:22px;font-weight:800}
.item-meta{display:flex;gap:12px;align-items:center;color:var(--light);font-size:11px;margin-bottom:5px}
.content-item h3{font-size:17px;margin:0 0 4px}
.content-item p{color:var(--muted);font-size:13px;margin:0}
.read-link{color:var(--green);font-size:13px;font-weight:700;white-space:nowrap}
.read-link:after{content:" →";transition:.2s}
.content-item:hover .read-link:after{padding-left:4px}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:36px;text-align:center;color:var(--muted)}
.side-panel{background:var(--green);color:#fff;border-radius:var(--radius);padding:27px;position:sticky;top:108px}
.side-panel h3{font-size:21px;margin:0 0 12px}
.side-panel p{color:#d9ebe1;font-size:13px;margin:0 0 20px}
.side-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.side-list li{display:flex;gap:10px;color:#e7f1eb;font-size:13px}
.side-list li:before{content:"✓";color:var(--orange);font-weight:800}
.feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:17px}
.featured-card{background:var(--green);color:#fff;border-radius:var(--radius);padding:34px;min-height:270px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}
.featured-card:before{content:"PG";position:absolute;right:22px;top:-10px;font-size:170px;font-weight:900;color:rgba(255,255,255,.08)}
.featured-card>*{position:relative;z-index:1}
.featured-card h3{font-size:27px;line-height:1.3;margin:14px 0 8px}
.featured-card p{color:#d9ebe1;max-width:490px;margin:0;font-size:14px}
.featured-card .badge{background:var(--orange);color:#4e3416}
.mini-stack{display:grid;gap:17px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.2s}
.mini-card:hover{border-color:var(--green);transform:translateY(-3px)}
.mini-card h3{font-size:17px;margin:0 0 6px}
.mini-card p{color:var(--muted);font-size:13px;margin:0}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}
.scene-card{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.scene-icon{width:42px;height:42px;display:grid;place-items:center;background:var(--white);border-radius:12px;color:var(--green);font-weight:800;margin-bottom:17px}
.scene-card h3{font-size:16px;margin:0 0 5px}
.scene-card p{color:var(--muted);font-size:13px;margin:0}
.notice{display:grid;grid-template-columns:1fr 1fr;gap:20px;background:var(--orange-soft);border:1px solid #f1d39e;border-radius:var(--radius);padding:29px 32px}
.notice h2{font-size:25px;line-height:1.35;margin:0}
.notice p{color:#755d39;font-size:14px;margin:0}
.faq-list{display:grid;gap:11px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.faq-question{width:100%;background:transparent;color:var(--ink);display:flex;justify-content:space-between;align-items:center;text-align:left;padding:19px 22px;font-weight:700}
.faq-question span{color:var(--green);font-size:23px;line-height:1;transition:.2s}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 22px 20px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span{transform:rotate(45deg)}
.bottom-cta{background:var(--green);color:#fff;border-radius:var(--radius);padding:38px 42px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.bottom-cta h2{margin:0 0 7px;font-size:28px}
.bottom-cta p{margin:0;color:#d9ebe1;font-size:14px}
.bottom-cta .btn-secondary{background:transparent;border-color:#b9d8c9;color:#fff}
.site-footer{background:var(--green-dark);color:#d9ebe1;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer-logo{color:#fff}
.footer-desc{font-size:13px;color:#b9d8c9;max-width:290px;margin:20px 0 0}
.footer-title{color:#fff;font-weight:700;margin-bottom:16px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13px;color:#b9d8c9;transition:.2s}
.footer-links a:hover{color:var(--orange)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#a8c0b4;font-size:12px}
:focus-visible{outline:3px solid rgba(229,163,77,.7);outline-offset:3px}
@media(max-width:1024px){
  .main-nav{gap:14px}
  .main-nav a{font-size:13px}
  .page-head-grid{gap:30px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{width:min(var(--container),calc(100% - 40px))}
  .site-header,.header-inner{height:70px}
  .header-inner{gap:12px}
  .logo-text{font-size:14px}
  .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;padding:10px 20px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .main-nav a.active:after{display:none}
  .main-nav .nav-download{text-align:center;margin-top:12px}
  .menu-toggle{display:block}
  .page-head{padding:43px 0 40px}
  .page-head-grid,.intro-grid,.content-layout,.feature-grid,.notice{grid-template-columns:1fr}
  .page-head h1{font-size:39px}
  .section{padding:60px 0}
  .side-panel{position:static}
  .content-item{grid-template-columns:58px 1fr}
  .item-index{width:54px;height:54px;font-size:18px}
  .read-link{grid-column:2}
  .bottom-cta{display:block;padding:30px}
  .bottom-cta .btn-row{margin-top:22px}
}
@media(max-width:520px){
  .container{width:calc(100% - 36px)}
  .logo-mark{width:32px;height:32px;font-size:14px}
  .logo-text{font-size:12px}
  .page-head h1{font-size:34px;letter-spacing:-1px}
  .page-lead{font-size:15px}
  .scene-grid,.footer-grid{grid-template-columns:1fr}
  .section-head{display:block}
  .section-head p{margin-top:12px}
  .content-item{padding:17px;gap:12px}
  .content-item h3{font-size:15px}
  .content-item p{font-size:12px}
  .bottom-cta .btn{width:100%}
}

/* roulang page: article */
:root{
      --green:#176b5b;
      --green-dark:#0e4d42;
      --green-soft:#e6f0ea;
      --orange:#e5a34d;
      --orange-soft:#fff3df;
      --cream:#f7f5ef;
      --white:#fff;
      --ink:#202824;
      --muted:#69736d;
      --light:#98a29c;
      --line:#dfe6df;
      --shadow:0 16px 40px rgba(23,61,50,.09);
      --shadow-sm:0 8px 22px rgba(23,61,50,.07);
      --radius:16px;
      --radius-sm:11px;
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      background:var(--cream);
      color:var(--ink);
      line-height:1.75;
      font-size:15px;
    }
    body.no-scroll{overflow:hidden}
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(229,163,77,.65);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
    .site-header{
      height:78px;
      background:rgba(255,255,255,.97);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter:blur(12px);
    }
    .header-inner{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:11px;
      font-weight:800;
      color:var(--green);
      letter-spacing:-.5px;
      white-space:nowrap;
    }
    .logo-mark{
      width:36px;
      height:36px;
      border-radius:11px;
      background:var(--green);
      color:#fff;
      display:grid;
      place-items:center;
      font-size:16px;
      box-shadow:4px 4px 0 var(--orange);
    }
    .logo-text{font-size:17px}
    .main-nav{display:flex;align-items:center;gap:24px}
    .main-nav a{
      color:#53615a;
      font-size:14px;
      position:relative;
      padding:26px 0;
      transition:.2s;
    }
    .main-nav a:hover,.main-nav a.active{color:var(--green)}
    .main-nav a.active:after{
      content:"";
      position:absolute;
      height:3px;
      background:var(--orange);
      border-radius:3px;
      bottom:0;
      left:0;
      right:0;
    }
    .main-nav .nav-download{
      background:var(--green);
      color:#fff!important;
      border-radius:10px;
      padding:11px 18px!important;
      box-shadow:var(--shadow-sm);
    }
    .main-nav .nav-download:hover{
      background:var(--green-dark);
      transform:translateY(-2px);
      box-shadow:0 12px 22px rgba(23,107,91,.2);
    }
    .menu-toggle{
      display:none;
      background:transparent;
      color:var(--green);
      font-size:25px;
      padding:6px;
    }
    .article-intro{
      background:var(--white);
      padding:72px 0 60px;
      border-bottom:1px solid var(--line);
    }
    .breadcrumb-line{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:var(--light);
      font-size:13px;
      margin-bottom:25px;
    }
    .breadcrumb-line a{color:var(--green)}
    .breadcrumb-line .separator{color:#c3ccc5}
    .article-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--green);
      font-size:12px;
      font-weight:800;
      letter-spacing:1.2px;
      margin-bottom:14px;
    }
    .article-kicker:before{
      content:"";
      width:24px;
      height:3px;
      border-radius:5px;
      background:var(--orange);
    }
    .article-intro h1{
      max-width:900px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.22;
      letter-spacing:-2px;
      margin:0 0 20px;
      overflow-wrap:anywhere;
    }
    .article-summary{
      max-width:800px;
      font-size:17px;
      color:var(--muted);
      margin:0;
    }
    .article-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px 22px;
      color:var(--light);
      font-size:13px;
      margin-top:28px;
    }
    .article-meta strong{
      color:var(--green);
      font-weight:700;
    }
    .meta-dot{
      width:4px;
      height:4px;
      border-radius:50%;
      background:var(--orange);
    }
    .article-main{padding:72px 0 92px}
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 270px;
      gap:54px;
      align-items:start;
      justify-content:center;
    }
    .article-content{
      background:var(--white);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      padding:42px 48px;
      min-width:0;
    }
    .article-content:after{
      content:"";
      display:block;
      clear:both;
    }
    .article-content h2{
      color:var(--green-dark);
      font-size:28px;
      line-height:1.35;
      margin:38px 0 16px;
      padding-left:16px;
      border-left:4px solid var(--orange);
    }
    .article-content h3{
      color:var(--green);
      font-size:21px;
      line-height:1.45;
      margin:30px 0 12px;
    }
    .article-content p{
      color:#3f4943;
      font-size:16px;
      margin:0 0 20px;
    }
    .article-content ul,.article-content ol{
      color:#3f4943;
      padding-left:25px;
      margin:0 0 24px;
    }
    .article-content li{padding-left:5px;margin:7px 0}
    .article-content blockquote{
      margin:28px 0;
      padding:19px 23px;
      background:var(--green-soft);
      border-left:4px solid var(--green);
      border-radius:0 var(--radius-sm) var(--radius-sm) 0;
      color:var(--green-dark);
      font-weight:600;
    }
    .article-content table{
      width:100%;
      border-collapse:collapse;
      margin:26px 0;
      font-size:14px;
      overflow:hidden;
      border:1px solid var(--line);
    }
    .article-content th,.article-content td{
      border:1px solid var(--line);
      padding:12px 14px;
      text-align:left;
    }
    .article-content th{
      background:var(--green-soft);
      color:var(--green-dark);
      font-weight:700;
    }
    .article-content img{
      border-radius:12px;
      margin:26px auto;
    }
    .article-content a{
      color:var(--green);
      text-decoration:underline;
      text-decoration-color:rgba(23,107,91,.35);
      text-underline-offset:3px;
    }
    .article-content code{
      padding:2px 6px;
      border-radius:5px;
      color:var(--green-dark);
      background:var(--green-soft);
      font-size:.9em;
    }
    .article-aside{
      position:sticky;
      top:108px;
      display:grid;
      gap:16px;
    }
    .aside-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:22px;
    }
    .aside-card.soft{background:var(--green-soft)}
    .aside-label{
      color:var(--orange);
      font-size:11px;
      font-weight:800;
      letter-spacing:1.2px;
      text-transform:uppercase;
      margin-bottom:10px;
    }
    .aside-card h2{
      color:var(--green-dark);
      font-size:18px;
      line-height:1.4;
      margin:0 0 10px;
    }
    .aside-card p{
      color:var(--muted);
      font-size:13px;
      margin:0;
    }
    .aside-list{
      display:grid;
      gap:11px;
      margin:14px 0 0;
      padding:0;
      list-style:none;
    }
    .aside-list li{
      display:flex;
      gap:9px;
      color:var(--muted);
      font-size:13px;
    }
    .aside-list li:before{
      content:"✓";
      color:var(--green);
      font-weight:800;
    }
    .notice-section{padding:0 0 76px}
    .notice-box{
      max-width:820px;
      margin:0 auto;
      display:flex;
      gap:18px;
      align-items:flex-start;
      background:var(--orange-soft);
      border:1px solid #f2d6a8;
      border-radius:var(--radius);
      padding:23px 26px;
    }
    .notice-icon{
      width:34px;
      height:34px;
      flex:0 0 34px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#81551c;
      background:#f5cf91;
      font-weight:800;
    }
    .notice-box h2{font-size:17px;margin:0 0 5px;color:#704d1c}
    .notice-box p{font-size:13px;color:#765b32;margin:0}
    .related-section{
      padding:84px 0;
      background:#fff;
      border-top:1px solid var(--line);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:30px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--green);
      font-size:12px;
      font-weight:800;
      letter-spacing:1.5px;
      margin-bottom:10px;
    }
    .section-head h2{
      font-size:32px;
      line-height:1.25;
      letter-spacing:-1px;
      margin:0;
    }
    .section-head p{max-width:480px;color:var(--muted);margin:0}
    .related-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr .85fr;
      gap:16px;
    }
    .related-card{
      min-height:190px;
      padding:25px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--cream);
      transition:.2s;
      display:flex;
      flex-direction:column;
      align-items:flex-start;
    }
    .related-card:hover{
      border-color:var(--green);
      transform:translateY(-3px);
      box-shadow:var(--shadow-sm);
    }
    .related-card.featured{
      background:var(--green);
      color:#fff;
    }
    .related-card h3{
      font-size:18px;
      line-height:1.45;
      margin:14px 0 8px;
    }
    .related-card p{
      color:var(--muted);
      font-size:13px;
      margin:0 0 17px;
    }
    .related-card.featured p{color:#d9ebe1}
    .text-link{
      margin-top:auto;
      color:var(--green);
      font-size:13px;
      font-weight:700;
    }
    .featured .text-link{color:#fff}
    .badge{
      display:inline-flex;
      width:max-content;
      padding:4px 10px;
      border-radius:30px;
      background:var(--orange-soft);
      color:#8a5a1e;
      font-size:11px;
      font-weight:800;
    }
    .article-cta{padding:76px 0;background:var(--cream)}
    .cta-panel{
      border-radius:22px;
      background:var(--green);
      color:#fff;
      padding:48px 55px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:30px;
      position:relative;
      overflow:hidden;
    }
    .cta-panel:after{
      content:"PG";
      position:absolute;
      right:35px;
      bottom:-42px;
      font-size:170px;
      line-height:1;
      font-weight:900;
      color:rgba(255,255,255,.07);
    }
    .cta-copy,.cta-actions{position:relative;z-index:1}
    .cta-copy h2{font-size:30px;line-height:1.3;margin:0 0 10px}
    .cta-copy p{color:#d9ebe1;max-width:610px;margin:0}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap;flex-shrink:0}
    .btn{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 20px;
      border-radius:10px;
      font-weight:700;
      transition:.2s;
      border:1px solid transparent;
    }
    .btn-primary{
      background:var(--green);
      color:#fff!important;
      box-shadow:var(--shadow-sm);
    }
    .btn-primary:hover{
      background:var(--green-dark);
      transform:translateY(-2px);
      box-shadow:0 12px 22px rgba(23,107,91,.2);
    }
    .cta-panel .btn-primary{background:#fff;color:var(--green)!important}
    .cta-panel .btn-primary:hover{background:var(--orange-soft)}
    .btn-secondary{
      color:var(--green);
      background:#fff;
      border-color:var(--green);
    }
    .btn-secondary:hover{background:var(--green-soft);transform:translateY(-2px)}
    .cta-panel .btn-secondary{
      color:#fff;
      border-color:#b9d8c9;
      background:transparent;
    }
    .cta-panel .btn-secondary:hover{background:rgba(255,255,255,.1)}
    .site-footer{
      padding:62px 0 22px;
      background:var(--green-dark);
      color:#fff;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:38px;
      padding-bottom:48px;
    }
    .footer-logo{color:#fff;margin-bottom:17px}
    .footer-logo .logo-mark{background:#fff;color:var(--green);box-shadow:4px 4px 0 var(--orange)}
    .footer-desc{
      color:#bad0c4;
      font-size:13px;
      max-width:330px;
      margin:0;
    }
    .footer-title{
      color:#fff;
      font-size:14px;
      font-weight:800;
      margin-bottom:15px;
    }
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#bad0c4;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:20px;
      border-top:1px solid rgba(219,239,227,.18);
      color:#9db9aa;
      font-size:12px;
      flex-wrap:wrap;
    }
    @media (max-width:1100px){
      .main-nav{gap:15px}
      .main-nav a{font-size:13px}
      .article-layout{grid-template-columns:minmax(0,790px) 235px;gap:30px}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr;gap:24px}
    }
    @media (max-width:900px){
      .container{width:min(var(--container),calc(100% - 44px))}
      .site-header,.header-inner{height:70px}
      .main-nav{
        display:none;
        position:absolute;
        top:70px;
        left:0;
        right:0;
        padding:12px 22px 20px;
        background:#fff;
        border-bottom:1px solid var(--line);
        box-shadow:var(--shadow-sm);
        flex-direction:column;
        align-items:stretch;
        gap:0;
      }
      .main-nav.is-open{display:flex}
      .main-nav a{padding:12px 0}
      .main-nav a.active:after{left:auto;width:28px;right:auto;bottom:5px}
      .main-nav .nav-download{text-align:center;margin-top:8px}
      .menu-toggle{display:block}
      .header-inner{gap:12px}
      .header-inner>.nav-download-mobile{
        display:inline-flex;
        font-size:13px;
        min-height:40px;
        padding:0 13px;
        border-radius:9px;
        background:var(--green);
        color:#fff;
        font-weight:700;
      }
      .article-intro{padding:54px 0 45px}
      .article-layout{grid-template-columns:1fr}
      .article-aside{
        position:static;
        grid-template-columns:repeat(2,1fr);
      }
      .related-grid{grid-template-columns:1fr 1fr}
      .related-card.featured{grid-column:span 2}
      .cta-panel{display:block;padding:38px}
      .cta-actions{margin-top:24px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid>div:first-child{grid-column:span 3}
    }
    @media (max-width:600px){
      .container{width:calc(100% - 36px)}
      .logo-text{font-size:14px}
      .logo-mark{width:33px;height:33px;font-size:14px}
      .header-inner>.nav-download-mobile{font-size:12px;padding:0 10px}
      .article-intro h1{font-size:34px;letter-spacing:-1.2px}
      .article-summary{font-size:15px}
      .article-main{padding:46px 0 60px}
      .article-content{padding:28px 22px}
      .article-content p{font-size:15px}
      .article-content h2{font-size:24px}
      .article-content h3{font-size:19px}
      .article-aside{grid-template-columns:1fr}
      .notice-section{padding-bottom:55px}
      .notice-box{padding:19px}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .section-head h2{font-size:27px}
      .related-section{padding:60px 0}
      .related-grid{grid-template-columns:1fr}
      .related-card.featured{grid-column:auto}
      .cta-panel{padding:30px 24px}
      .cta-copy h2{font-size:25px}
      .cta-actions{display:grid;grid-template-columns:1fr}
      .cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:span 2}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category2 */
:root{
      --green:#176b5b;--green-dark:#0e4d42;--green-soft:#e6f0ea;
      --orange:#e5a34d;--orange-soft:#fff3df;--cream:#f7f5ef;
      --white:#fff;--ink:#202824;--muted:#69736d;--light:#98a29c;
      --line:#dfe6df;--shadow:0 16px 40px rgba(23,61,50,.09);
      --shadow-sm:0 8px 22px rgba(23,61,50,.07);--radius:16px;
      --radius-sm:11px;--container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:15px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 64px));margin:auto}
    .site-header{height:78px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;color:var(--green);font-weight:800;white-space:nowrap;letter-spacing:-.5px}
    .logo-mark{width:36px;height:36px;border-radius:11px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:4px 4px 0 var(--orange)}
    .logo-text{font-size:17px}
    .main-nav{display:flex;align-items:center;gap:24px}
    .main-nav a{color:#53615a;font-size:14px;position:relative;padding:26px 0;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:var(--green)}
    .main-nav a.active:after{content:"";position:absolute;height:3px;background:var(--orange);border-radius:3px;bottom:0;left:0;right:0}
    .nav-download,.btn-primary{background:var(--green);color:#fff!important;border-radius:10px;padding:11px 18px!important;box-shadow:var(--shadow-sm);transition:.2s}
    .nav-download:hover,.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 12px 22px rgba(23,107,91,.2)}
    .menu-toggle{display:none;background:transparent;color:var(--green);font-size:25px;padding:6px}
    .page-head{padding:72px 0 64px;background:#fff;border-bottom:1px solid var(--line)}
    .breadcrumbs{font-size:12px;color:var(--light);margin-bottom:24px}
    .breadcrumbs a{color:var(--green)}
    .page-head-grid{display:grid;grid-template-columns:1fr 310px;gap:60px;align-items:end}
    .eyebrow,.section-kicker{color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.5px;margin-bottom:14px}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,60px);line-height:1.18;letter-spacing:-2px;margin-bottom:20px}
    h1 em{font-style:normal;color:var(--green)}
    .lead{font-size:17px;color:var(--muted);max-width:720px;margin-bottom:0}
    .head-note{background:var(--green-soft);border-radius:var(--radius);padding:22px;border-left:4px solid var(--orange)}
    .head-note strong{display:block;color:var(--green-dark);font-size:18px;margin-bottom:6px}
    .head-note span{font-size:13px;color:var(--muted)}
    .section{padding:86px 0}
    .section.white{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
    .section-head h2{font-size:32px;line-height:1.3;letter-spacing:-1px;margin-bottom:8px}
    .section-head p{max-width:550px;color:var(--muted);margin-bottom:0}
    .intro-band{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .intro-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
    .intro-card.soft{background:var(--green-soft);border-color:transparent}
    .intro-card h3{font-size:21px;margin-bottom:10px}
    .intro-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
    .badge{display:inline-flex;width:max-content;padding:4px 11px;border-radius:30px;background:var(--orange-soft);color:#8a5a1e;font-size:11px;font-weight:800}
    .content-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .feature-card{background:var(--green);color:#fff;border-radius:var(--radius);padding:34px;position:relative;overflow:hidden;min-height:390px;display:flex;flex-direction:column;justify-content:flex-end}
    .feature-card:after{content:"PG";position:absolute;right:22px;top:15px;font-size:190px;font-weight:900;color:rgba(255,255,255,.08);line-height:1}
    .feature-card>*{position:relative;z-index:1}
    .feature-card h3{font-size:29px;line-height:1.3;max-width:420px;margin:16px 0 9px}
    .feature-card p{color:#d9ebe1;max-width:470px;font-size:14px;margin-bottom:0}
    .index-list{display:grid;gap:12px}
    .index-item{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px;transition:.2s}
    .index-item:hover{border-color:var(--green);transform:translateX(3px);box-shadow:var(--shadow-sm)}
    .index-icon{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--orange-soft);color:#986522;display:grid;place-items:center;font-weight:800}
    .index-item h3{font-size:17px;margin-bottom:4px}
    .index-item p{font-size:13px;color:var(--muted);margin-bottom:0}
    .scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;min-height:175px;transition:.2s}
    .scene-card:hover{border-color:var(--green);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
    .scene-card .scene-no{color:var(--orange);font-size:12px;font-weight:800}
    .scene-card h3{font-size:18px;margin:12px 0 7px}
    .scene-card p{font-size:13px;color:var(--muted);margin-bottom:0}
    .atlas-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .atlas-row{display:grid;grid-template-columns:145px 1fr 140px;gap:22px;align-items:center;padding:21px 24px;border-bottom:1px solid var(--line);transition:.2s}
    .atlas-row:last-child{border-bottom:0}
    .atlas-row:hover{background:var(--green-soft)}
    .atlas-row h3{font-size:16px;margin-bottom:4px}
    .atlas-row p{font-size:13px;color:var(--muted);margin-bottom:0}
    .row-meta{text-align:right;color:var(--light);font-size:12px}
    .device-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
    .device{padding:25px;border-right:1px solid var(--line)}
    .device:last-child{border-right:0}
    .device-symbol{font-size:25px;color:var(--green);font-weight:800;margin-bottom:8px}
    .device h3{font-size:17px;margin-bottom:5px}
    .device p{font-size:13px;color:var(--muted);margin-bottom:0}
    .news-list{border-left:2px solid var(--green-soft);padding-left:26px;display:grid;gap:16px}
    .news-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 23px;position:relative;transition:.2s}
    .news-item:before{content:"";position:absolute;width:10px;height:10px;background:var(--orange);border:3px solid var(--cream);border-radius:50%;left:-33px;top:27px}
    .news-item:hover{border-color:var(--green);box-shadow:var(--shadow-sm)}
    .news-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:11px;color:var(--light);margin-bottom:6px}
    .news-item h3{font-size:17px;margin-bottom:5px}
    .news-item p{font-size:13px;color:var(--muted);margin-bottom:0}
    .notice{background:var(--orange-soft);border:1px solid #efd39e;border-radius:var(--radius);padding:26px 30px;display:flex;gap:20px;align-items:flex-start}
    .notice-mark{width:32px;height:32px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:800;flex:0 0 32px}
    .notice h3{font-size:19px;margin-bottom:6px}
    .notice p{color:#735a35;font-size:13px;margin-bottom:0}
    .faq-list{display:grid;gap:11px;max-width:900px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;background:#fff;color:var(--ink);text-align:left;padding:18px 21px;font-weight:700}
    .faq-question:hover{color:var(--green)}
    .faq-answer{display:none;padding:0 21px 19px;color:var(--muted);font-size:13px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question{color:var(--green)}
    .faq-plus{font-size:22px;color:var(--orange);line-height:1;transition:.2s}
    .faq-item.open .faq-plus{transform:rotate(45deg)}
    .cta{background:var(--green);color:#fff;border-radius:22px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:31px;line-height:1.3;margin-bottom:10px}
    .cta p{color:#d9ebe1;margin-bottom:0;font-size:14px}
    .cta .btn-secondary{background:transparent;color:#fff;border-color:#b9d8c9}
    .cta .btn-secondary:hover{background:rgba(255,255,255,.1)}
    .btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent}
    .btn:focus,.faq-question:focus,.main-nav a:focus{outline:3px solid rgba(229,163,77,.45);outline-offset:3px}
    .site-footer{background:var(--green-dark);color:#fff;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:38px}
    .footer-logo{color:#fff;margin-bottom:15px}
    .footer-logo .logo-mark{background:#fff;color:var(--green);box-shadow:4px 4px 0 var(--orange)}
    .footer-desc{color:#b9d8c9;font-size:13px;max-width:300px}
    .footer-title{font-weight:800;margin-bottom:14px}
    .footer-links{display:grid;gap:8px;color:#b9d8c9;font-size:13px}
    .footer-links a{transition:.2s}
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#9fc1b2;font-size:12px}
    @media(max-width:992px){
      .main-nav{gap:14px}.main-nav a{font-size:13px}
      .page-head-grid,.content-layout,.intro-band{grid-template-columns:1fr}
      .scene-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 40px))}
      .site-header,.header-inner{height:68px}
      .header-inner{gap:10px}.logo-text{font-size:14px}.logo-mark{width:33px;height:33px}
      .menu-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);align-items:stretch;flex-direction:column;gap:0}
      .main-nav.show{display:flex}.main-nav a{padding:12px 0}.main-nav a.active:after{left:auto;width:28px;right:auto;bottom:5px}
      .main-nav .nav-download{text-align:center;margin-top:7px}
      .page-head{padding:52px 0 45px}.section{padding:60px 0}
      .section-head{display:block}.section-head p{margin-top:12px}
      .device-strip{grid-template-columns:1fr 1fr}.device:nth-child(2){border-right:0}.device{border-bottom:1px solid var(--line)}
      .atlas-row{grid-template-columns:1fr;gap:5px;padding:18px}.row-meta{text-align:left}
      .cta{padding:32px 24px;display:block}.cta .btn-row{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:last-child{grid-column:auto}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      h1{font-size:36px}.page-head-grid{gap:28px}
      .scene-grid{grid-template-columns:1fr}.device-strip{grid-template-columns:1fr}.device{border-right:0}
      .device:last-child{border-bottom:0}.feature-card{min-height:330px;padding:25px}
      .footer-grid{grid-template-columns:1fr}.footer-grid>div:last-child{grid-column:auto}
      .btn{width:100%}.btn-row{width:100%}
    }

/* roulang page: category3 */
:root{
      --green:#176b5b;
      --green-dark:#0e4d42;
      --green-soft:#e6f0ea;
      --orange:#e5a34d;
      --orange-soft:#fff3df;
      --cream:#f7f5ef;
      --white:#fff;
      --ink:#202824;
      --muted:#69736d;
      --light:#98a29c;
      --line:#dfe6df;
      --shadow:0 16px 40px rgba(23,61,50,.09);
      --shadow-sm:0 8px 22px rgba(23,61,50,.07);
      --radius:16px;
      --radius-sm:11px;
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:var(--cream);color:var(--ink);line-height:1.75;font-size:15px}
    body.no-scroll{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
    .site-header{height:78px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--green);letter-spacing:-.5px;white-space:nowrap}
    .logo-mark{width:36px;height:36px;border-radius:11px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:4px 4px 0 var(--orange)}
    .logo-text{font-size:17px}
    .main-nav{display:flex;align-items:center;gap:24px}
    .main-nav a{color:#53615a;font-size:14px;position:relative;padding:26px 0;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:var(--green)}
    .main-nav a.active:after{content:"";position:absolute;height:3px;background:var(--orange);border-radius:3px;bottom:0;left:0;right:0}
    .nav-download,.btn-primary{background:var(--green);color:#fff!important;border-radius:10px;padding:11px 18px!important;box-shadow:var(--shadow-sm);transition:.2s}
    .nav-download:hover,.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 12px 22px rgba(23,107,91,.2)}
    .menu-toggle{display:none;background:transparent;color:var(--green);font-size:25px;padding:6px}
    .page-head{background:var(--white);padding:66px 0 58px;border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:var(--light);font-size:13px;margin-bottom:22px}
    .breadcrumb a:hover{color:var(--green)}
    .page-head-grid{display:grid;grid-template-columns:1fr 330px;gap:60px;align-items:end}
    .eyebrow,.section-kicker{color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.5px;margin-bottom:14px}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-2px;margin-bottom:18px}
    h1 em{font-style:normal;color:var(--green)}
    .lead{max-width:720px;color:var(--muted);font-size:17px;margin-bottom:0}
    .head-note{background:var(--green-soft);border-radius:var(--radius);padding:24px;border-left:4px solid var(--orange)}
    .head-note strong{display:block;color:var(--green);font-size:24px;margin-bottom:5px}
    .head-note span{font-size:13px;color:var(--muted)}
    .section{padding:88px 0}
    .section.white{background:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:32px}
    .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin-bottom:0}
    .section-head p{max-width:500px;color:var(--muted);margin-bottom:0}
    .intro-strip{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .intro-card,.device-card,.step-card,.security-card,.faq-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow-sm)}
    .intro-card h2{font-size:24px;margin-bottom:10px}
    .intro-card p{color:var(--muted);margin-bottom:0}
    .tag-list{display:flex;flex-wrap:wrap;gap:9px;align-content:flex-start}
    .tag{display:inline-flex;padding:6px 12px;border-radius:30px;background:var(--orange-soft);color:#805522;font-size:12px;font-weight:700}
    .app-showcase{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}
    .phone-stage{min-height:390px;background:var(--green-soft);border-radius:26px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
    .phone-stage:before{content:"";position:absolute;width:210px;height:210px;border-radius:50%;background:var(--orange);opacity:.65;left:-65px;bottom:-70px}
    .phone{width:190px;height:346px;background:#17241f;border:7px solid #263a32;border-radius:30px;padding:10px;box-shadow:0 20px 35px rgba(18,57,46,.25);position:relative;z-index:1}
    .phone-notch{width:68px;height:17px;background:#17241f;border-radius:0 0 12px 12px;margin:-10px auto 14px}
    .phone-screen{height:291px;border-radius:18px;background:#fff;padding:16px 12px}
    .screen-brand{font-weight:800;color:var(--green);font-size:14px;border-bottom:1px solid var(--line);padding-bottom:12px}
    .screen-panel{height:108px;background:var(--green);border-radius:12px;margin:16px 0;color:#fff;padding:14px}
    .screen-panel b{font-size:20px;display:block}
    .screen-line{height:10px;background:var(--green-soft);border-radius:5px;margin:10px 0}
    .screen-line.short{width:58%}
    .app-copy h2{font-size:34px;line-height:1.3;margin-bottom:14px}
    .app-copy p{color:var(--muted);margin-bottom:22px}
    .download-box{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
    .download-option{border:1px solid var(--line);border-radius:var(--radius-sm);padding:17px;background:var(--cream);transition:.2s}
    .download-option:hover{border-color:var(--green);transform:translateY(-2px)}
    .download-option strong{display:block;color:var(--green);margin-bottom:4px}
    .download-option span{display:block;color:var(--muted);font-size:12px}
    .device-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .device-card{transition:.2s}
    .device-card:hover{border-color:var(--green);transform:translateY(-3px)}
    .device-icon{width:42px;height:42px;border-radius:12px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-weight:800;margin-bottom:18px}
    .device-card h3{font-size:17px;margin-bottom:7px}
    .device-card p{color:var(--muted);font-size:13px;margin-bottom:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:step}
    .step-card{position:relative;padding-top:58px}
    .step-card:before{counter-increment:step;content:"0" counter(step);position:absolute;left:26px;top:20px;color:var(--orange);font-weight:900;font-size:20px}
    .step-card h3{font-size:17px;margin-bottom:7px}
    .step-card p{color:var(--muted);font-size:13px;margin-bottom:0}
    .permission{background:var(--orange-soft);border:1px solid #f0d39f;border-radius:var(--radius);padding:28px;display:grid;grid-template-columns:110px 1fr;gap:24px;align-items:center}
    .permission-mark{width:78px;height:78px;border-radius:24px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:28px;font-weight:900}
    .permission h2{font-size:25px;margin-bottom:8px}
    .permission p{color:#765d36;margin-bottom:0}
    .faq-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:55px}
    .faq-intro h2{font-size:32px;line-height:1.3}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 21px}
    summary{cursor:pointer;font-weight:700;color:var(--ink);list-style:none;padding-right:25px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;top:-2px;color:var(--green);font-size:22px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:13px;margin:12px 0 0;padding-top:12px;border-top:1px solid var(--line)}
    .cta-section{padding:76px 0;background:var(--green);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-inner h2{font-size:32px;line-height:1.3;margin-bottom:9px}
    .cta-inner p{color:#d7e9df;margin-bottom:0}
    .cta-inner .btn-secondary{background:transparent;border-color:#b9d8c9;color:#fff}
    .btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent}
    .btn-secondary{color:var(--green);background:#fff;border-color:var(--green)}
    .btn-secondary:hover{background:var(--green-soft);transform:translateY(-2px)}
    .site-footer{background:#0e4d42;color:#fff;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:38px}
    .footer-logo{color:#fff;margin-bottom:17px}
    .footer-desc{color:#bed5c9;font-size:13px;max-width:280px}
    .footer-title{font-size:14px;font-weight:800;margin-bottom:16px;color:#fff}
    .footer-links{display:grid;gap:9px}
    .footer-links a{font-size:13px;color:#bed5c9;transition:.2s}
    .footer-links a:hover{color:var(--orange)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:38px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#9fc0b1;font-size:12px}
    :focus-visible{outline:3px solid rgba(229,163,77,.7);outline-offset:3px}
    @media(max-width:1024px){
      .main-nav{gap:14px}
      .page-head-grid,.app-showcase,.faq-grid{gap:35px}
      .device-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 40px))}
      .site-header,.header-inner{height:68px}
      .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 0}
      .main-nav a.active:after{bottom:4px;right:auto;width:35px}
      .main-nav .nav-download{text-align:center;margin-top:8px}
      .menu-toggle{display:block}
      .logo-text{font-size:14px}
      .page-head{padding:43px 0 40px}
      .page-head-grid,.intro-strip,.app-showcase,.faq-grid{grid-template-columns:1fr}
      .section{padding:60px 0}
      .section-head{display:block}
      .section-head h2{font-size:27px;margin-bottom:10px}
      .download-box,.steps{grid-template-columns:1fr 1fr}
      .permission{grid-template-columns:1fr}
      .cta-inner{display:block}
      .cta-inner .btn-row{margin-top:22px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 36px)}
      h1{font-size:35px;letter-spacing:-1.2px}
      .lead{font-size:15px}
      .device-grid,.download-box,.steps{grid-template-columns:1fr}
      .phone-stage{min-height:350px}
      .app-copy h2{font-size:28px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:6px}
      .btn-row .btn{width:100%}
    }

/* roulang page: category4 */
:root{
      --green:#176b5b;
      --green-dark:#0e4d42;
      --green-soft:#e6f0ea;
      --orange:#e5a34d;
      --orange-soft:#fff3df;
      --cream:#f7f5ef;
      --white:#fff;
      --ink:#202824;
      --muted:#69736d;
      --light:#98a29c;
      --line:#dfe6df;
      --shadow:0 16px 40px rgba(23,61,50,.09);
      --shadow-sm:0 8px 22px rgba(23,61,50,.07);
      --radius:16px;
      --radius-sm:11px;
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:15px;line-height:1.75}
    body.no-scroll{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
    .site-header{height:78px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--green);letter-spacing:-.5px;white-space:nowrap}
    .logo-mark{width:36px;height:36px;border-radius:11px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:4px 4px 0 var(--orange)}
    .logo-text{font-size:17px}
    .main-nav{display:flex;align-items:center;gap:24px}
    .main-nav a{color:#53615a;font-size:14px;position:relative;padding:26px 0;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:var(--green)}
    .main-nav a.active:after{content:"";position:absolute;height:3px;background:var(--orange);border-radius:3px;bottom:0;left:0;right:0}
    .nav-download,.btn-primary{background:var(--green);color:#fff!important;border-radius:10px;padding:11px 18px!important;box-shadow:var(--shadow-sm);transition:.2s}
    .nav-download:hover,.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 12px 22px rgba(23,107,91,.2)}
    .menu-toggle{display:none;background:transparent;color:var(--green);font-size:25px;padding:6px}
    .page-heading{padding:76px 0 62px;background:var(--white);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--light);font-size:12px;margin-bottom:24px}
    .breadcrumb a:hover{color:var(--green)}
    .heading-grid{display:grid;grid-template-columns:1fr 360px;gap:70px;align-items:end}
    .eyebrow,.section-kicker{color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.5px;margin-bottom:14px}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,58px);line-height:1.2;letter-spacing:-2px;margin-bottom:20px}
    .heading-copy{font-size:17px;color:var(--muted);max-width:720px}
    .heading-note{background:var(--green-soft);border:1px solid #cfe1d6;border-radius:var(--radius);padding:23px}
    .heading-note strong{display:block;color:var(--green-dark);font-size:22px;margin-bottom:4px}
    .heading-note span{color:var(--muted);font-size:13px}
    .section{padding:86px 0}
    .section.white{background:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-head h2{font-size:31px;line-height:1.3;letter-spacing:-1px;margin-bottom:7px}
    .section-head p{color:var(--muted);max-width:570px;margin-bottom:0}
    .topic-bar{display:flex;flex-wrap:wrap;gap:10px;padding:20px 0 0}
    .badge{display:inline-flex;width:max-content;padding:4px 11px;border-radius:30px;background:var(--orange-soft);color:#8a5a1e;font-size:11px;font-weight:800}
    .topic-bar .badge{background:#fff;border:1px solid var(--line);color:var(--green)}
    .news-layout{display:grid;grid-template-columns:270px 1fr;gap:50px;align-items:start}
    .news-aside{position:sticky;top:110px;background:var(--green);color:#fff;border-radius:var(--radius);padding:28px}
    .news-aside .big-number{font-size:64px;line-height:1;font-weight:800;color:var(--orange);margin-bottom:18px}
    .news-aside h3{font-size:21px;line-height:1.35;margin-bottom:12px}
    .news-aside p{font-size:13px;color:#d9ebe1;margin-bottom:0}
    .news-list{border-left:2px solid var(--green-soft);padding-left:28px;display:grid;gap:17px}
    .news-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 25px;position:relative;transition:.2s}
    .news-item:before{content:"";position:absolute;width:10px;height:10px;background:var(--orange);border:3px solid var(--cream);border-radius:50%;left:-35px;top:29px}
    .news-item:hover{border-color:var(--green);box-shadow:var(--shadow-sm);transform:translateX(3px)}
    .news-meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--light);font-size:11px;margin-bottom:7px}
    .news-meta .category{color:var(--green);font-weight:700}
    .news-item h3{font-size:19px;line-height:1.45;margin-bottom:7px}
    .news-item p{font-size:13px;color:var(--muted);margin-bottom:13px}
    .read-link{font-size:13px;color:var(--green);font-weight:700}
    .read-link:after{content:" →";transition:.2s}
    .news-item:hover .read-link:after{padding-left:4px}
    .empty-state{padding:52px 25px;text-align:center;color:var(--muted);background:#fff;border:1px dashed #c8d4cc;border-radius:var(--radius)}
    .featured-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .feature-main{min-height:310px;background:var(--green);border-radius:var(--radius);padding:32px;color:#fff;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
    .feature-main:after{content:"资讯";position:absolute;right:24px;top:18px;font-size:100px;font-weight:900;color:rgba(255,255,255,.08)}
    .feature-main>*{position:relative;z-index:1}
    .feature-main h3{font-size:29px;line-height:1.3;max-width:430px;margin:15px 0 9px}
    .feature-main p{font-size:13px;color:#d9ebe1;max-width:500px;margin-bottom:0}
    .feature-side{display:grid;gap:18px}
    .support-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.2s}
    .support-card:hover{border-color:var(--green);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
    .support-card h3{font-size:18px;margin:12px 0 6px}
    .support-card p{font-size:13px;color:var(--muted);margin-bottom:0}
    .icon-box{width:38px;height:38px;border-radius:11px;background:var(--orange-soft);color:#9a681e;display:grid;place-items:center;font-weight:800}
    .scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .scene-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:180px}
    .scene-card h3{font-size:18px;margin:16px 0 7px}
    .scene-card p{font-size:13px;color:var(--muted);margin-bottom:0}
    .security-panel{display:grid;grid-template-columns:1fr 1fr;gap:30px;background:var(--orange-soft);border:1px solid #f0d8ad;border-radius:var(--radius);padding:32px}
    .security-panel h2{font-size:28px;line-height:1.3;margin-bottom:12px}
    .security-panel p{color:#745d3e;font-size:14px}
    .check-list{display:grid;gap:11px;margin:0;padding:0;list-style:none}
    .check-list li{display:flex;gap:10px;align-items:flex-start;color:#5f513d;font-size:13px}
    .check-list li:before{content:"✓";width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:var(--green);color:#fff;text-align:center;line-height:22px;font-size:12px}
    .faq-list{display:grid;gap:11px;max-width:900px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:#fff;color:var(--ink);padding:19px 22px;font-weight:700}
    .faq-question:hover{color:var(--green);background:var(--green-soft)}
    .faq-question span:last-child{font-size:22px;color:var(--orange);line-height:1}
    .faq-answer{display:none;padding:0 22px 19px;color:var(--muted);font-size:13px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question{color:var(--green)}
    .cta-band{background:var(--green);color:#fff;padding:55px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-band h2{font-size:30px;line-height:1.3;margin-bottom:8px}
    .cta-band p{color:#d9ebe1;margin-bottom:0}
    .cta-band .btn-secondary{background:transparent;color:#fff;border-color:#b9d8c9}
    .cta-band .btn-secondary:hover{background:#275f53}
    .btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent}
    .site-footer{background:var(--green-dark);color:#fff;padding:62px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:38px}
    .footer-logo{color:#fff}
    .footer-desc{color:#b9d2c5;font-size:13px;max-width:280px;margin:18px 0 0}
    .footer-title{font-size:14px;font-weight:800;margin-bottom:15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#b9d2c5;font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--orange)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#9fbbb0;font-size:11px}
    :focus-visible{outline:3px solid rgba(229,163,77,.65);outline-offset:3px}
    @media(max-width:1024px){
      .main-nav{gap:14px}
      .main-nav a{font-size:13px}
      .heading-grid,.featured-layout{gap:35px}
      .scene-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 40px,var(--container))}
      .site-header,.header-inner{height:68px}
      .header-inner{gap:12px}
      .logo-text{font-size:14px}
      .main-nav{display:none;position:absolute;left:20px;right:20px;top:68px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;padding:8px 18px;box-shadow:var(--shadow)}
      .main-nav.open{display:grid;gap:0}
      .main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
      .main-nav a:last-child{border-bottom:0}
      .main-nav a.active:after{left:auto;width:28px;right:0;top:22px;bottom:auto}
      .nav-download{display:inline-flex!important;width:max-content;margin:8px 0}
      .menu-toggle{display:block}
      .page-heading{padding:54px 0 46px}
      .heading-grid,.news-layout,.featured-layout,.security-panel{grid-template-columns:1fr}
      .heading-note,.news-aside{position:static}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-head h2{font-size:27px}
      .section-head p{margin-top:10px}
      .news-list{padding-left:20px}
      .news-item:before{left:-27px}
      .cta-inner{display:block}
      .cta-inner .btn-row{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      h1{font-size:36px;letter-spacing:-1.2px}
      .scene-grid,.footer-grid{grid-template-columns:1fr}
      .news-item{padding:18px}
      .feature-main{min-height:270px;padding:24px}
      .feature-main h3{font-size:24px}
      .btn-row .btn{width:100%}
      .security-panel{padding:24px}
    }