/* roulang page: index */
:root{
  --ink:#10251f;
  --ink-2:#1d3b31;
  --mint:#c9f36a;
  --mint-2:#9edc46;
  --orange:#f49a54;
  --cream:#f5f3ea;
  --paper:#fffdf7;
  --line:#d8dfd2;
  --muted:#66766d;
  --white:#ffffff;
  --shadow:0 18px 45px rgba(16,37,31,.10);
  --radius:18px;
  --radius-sm:11px;
  --max:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;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(--max),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(16,37,31,.96);color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
.navbar{height:76px;display:flex;align-items:center;gap:32px}
.brand{font-size:20px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
.brand i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--mint);margin:0 8px 2px 0}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-links a{padding:10px 13px;border-radius:8px;color:#d9e4d9;font-size:14px}
.nav-links a:hover,.nav-links a.active{color:var(--mint);background:rgba(201,243,106,.1)}
.nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
.menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;padding:7px 10px}
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:94px 0 84px}
.hero:after{content:"";position:absolute;width:540px;height:540px;border:1px solid rgba(201,243,106,.2);border-radius:50%;right:-130px;top:-170px;box-shadow:0 0 0 38px rgba(201,243,106,.035),0 0 0 78px rgba(201,243,106,.025)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:74px;align-items:center;position:relative;z-index:1}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--mint);margin-bottom:17px}
.hero h1{font-size:clamp(36px,5vw,68px);line-height:1.12;letter-spacing:-.06em;max-width:760px}
.hero-copy{color:#c9d6c9;max-width:650px;margin:23px 0 31px;font-size:18px}
.actions{display:flex;gap:13px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:9px;font-weight:800;font-size:15px;transition:.25s ease}
.btn-primary{background:var(--mint);color:var(--ink)}
.btn-primary:hover{background:#e1ff9a;transform:translateY(-2px)}
.btn-secondary{border-color:rgba(255,255,255,.35);color:#fff}
.btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
.btn:focus,.nav-links a:focus,.menu-toggle:focus,input:focus,summary:focus{outline:3px solid rgba(244,154,84,.65);outline-offset:3px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.hero-panel{background:#f0f1e5;color:var(--ink);border-radius:22px;padding:25px;box-shadow:var(--shadow);transform:rotate(1.5deg)}
.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px}
.app-mark{width:52px;height:52px;border-radius:14px;background:var(--ink);color:var(--mint);display:grid;place-items:center;font-weight:900;font-size:21px}
.status{font-size:12px;color:#47722d;background:#e2f4bf;border-radius:20px;padding:5px 10px}
.panel-title{font-size:22px;font-weight:900;margin:20px 0 3px}
.panel-note{font-size:13px;color:var(--muted)}
.specs{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin:22px 0}
.spec{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px}
.spec small{display:block;color:var(--muted);font-size:12px}.spec strong{font-size:15px}
.panel-alert{font-size:12px;color:#6d624a;background:#fff5df;border-left:3px solid var(--orange);padding:10px 12px;margin-top:14px}
.topic-strip{background:var(--mint);padding:15px 0}
.topic-list{display:flex;gap:10px;overflow:auto;scrollbar-width:none}
.topic-list a{white-space:nowrap;background:rgba(16,37,31,.08);padding:8px 15px;border-radius:30px;font-size:14px;font-weight:800}
.topic-list a:hover{background:var(--ink);color:var(--mint)}
.section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section h2{font-size:clamp(27px,3vw,42px);line-height:1.2;letter-spacing:-.04em}
.section-intro{color:var(--muted);max-width:570px}
.text-link{font-weight:800;border-bottom:1px solid var(--ink);padding-bottom:3px}
.text-link:hover{color:#729b32;border-color:#729b32}
.news-layout{display:grid;grid-template-columns:1.04fr .96fr;gap:22px}
.feature-news,.news-list{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(16,37,31,.04)}
.feature-news{padding:30px;min-height:285px;display:flex;flex-direction:column;justify-content:space-between}
.feature-news .news-tag{color:#9c5a26}
.news-tag{display:inline-flex;align-items:center;width:max-content;background:#e7f5c5;color:#537928;border-radius:5px;padding:4px 9px;font-size:12px;font-weight:800}
.feature-news h3{font-size:28px;line-height:1.35;margin:18px 0 10px}
.news-meta{color:var(--muted);font-size:13px;display:flex;gap:14px;flex-wrap:wrap}
.news-list{padding:8px 24px}
.news-item{display:grid;grid-template-columns:1fr auto;gap:15px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:0}
.news-item h3{font-size:16px;line-height:1.45;margin:7px 0}
.news-item h3 a:hover{color:#6b9631}
.news-item .news-tag{background:transparent;padding:0;color:#6b9631}
.news-arrow{font-size:22px;color:var(--orange)}
.empty-state{padding:35px;text-align:center;color:var(--muted)}
.download{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.download-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.preview{min-height:300px;border-radius:22px;background:#dfe9cf;position:relative;overflow:hidden;padding:28px}
.preview:before,.preview:after{content:"";position:absolute;border:1px solid rgba(16,37,31,.17);border-radius:50%}
.preview:before{width:360px;height:360px;right:-90px;top:-100px}.preview:after{width:210px;height:210px;left:-70px;bottom:-90px}
.preview-lines{position:relative;z-index:1;display:grid;gap:12px;max-width:290px}
.preview-line{height:49px;background:rgba(255,255,255,.72);border-radius:9px;padding:12px 15px;font-weight:800;display:flex;justify-content:space-between}
.download-copy h2{margin-bottom:15px}.download-copy p{color:var(--muted);margin-bottom:21px}
.download-details{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:24px}
.download-details div{border-left:3px solid var(--orange);padding-left:11px}.download-details small{display:block;color:var(--muted);font-size:12px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.step{padding:24px;background:var(--ink);color:#fff;border-radius:var(--radius);min-height:190px}
.step-no{color:var(--mint);font-size:13px;font-weight:900}.step h3{margin:21px 0 8px;font-size:19px}.step p{font-size:14px;color:#cbd8cc}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.topic-card{background:var(--paper);padding:25px;border:1px solid var(--line);border-radius:var(--radius);min-height:160px;position:relative}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.topic-card strong{display:block;font-size:20px;margin-bottom:8px}.topic-card p{color:var(--muted);font-size:14px}.topic-card span{position:absolute;right:22px;bottom:20px;color:var(--orange);font-size:21px}
.faq-wrap{max-width:860px;margin:auto}.faq-item{border-top:1px solid var(--line);padding:19px 0}.faq-item:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--orange);font-size:23px;font-weight:400}details[open] summary:after{content:"−"}details p{color:var(--muted);padding:12px 38px 2px 0}
.notice{margin-top:35px;background:#fff5df;border:1px solid #edd8ae;border-radius:12px;padding:15px 18px;color:#6b5b3e;font-size:13px}
.cta{background:var(--orange);color:var(--ink);padding:37px 0}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:30px;line-height:1.25}.cta p{margin-top:6px}.cta .btn{background:var(--ink);color:#fff}.cta .btn:hover{background:#29483d}
.site-footer{background:var(--ink);color:#d5e0d4;padding:48px 0 25px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:38px}.footer-title{color:#fff;font-size:19px;font-weight:900;margin-bottom:13px}.footer-grid p,.footer-grid a{color:#aebdaf;font-size:14px}.footer-grid a{display:block;margin:6px 0}.footer-grid a:hover{color:var(--mint)}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9aac9b;font-size:12px}.footer-bottom a{text-decoration:underline}
@media(max-width:1024px){.hero-grid{gap:35px}.nav-links{gap:0}.nav-links a{padding:9px 8px;font-size:13px}.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.navbar{height:67px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:67px;left:0;right:0;background:var(--ink);padding:12px 16px 18px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1)}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.hero{padding:65px 0 58px}.hero-grid,.news-layout,.download-grid{grid-template-columns:1fr}.hero-panel{transform:none}.section{padding:62px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}.topic-grid{grid-template-columns:repeat(2,1fr)}.cta-inner{display:block}.cta .btn{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.brand{font-size:17px}.hero h1{font-size:38px}.hero-copy{font-size:16px}.actions .btn{width:100%}.feature-news{padding:23px}.feature-news h3{font-size:23px}.news-list{padding:5px 17px}.steps,.topic-grid{grid-template-columns:1fr}.preview{min-height:235px}.download-details{gap:13px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: article */
:root{
  --ink:#10251f;--ink-2:#1d3b31;--mint:#c9f36a;--mint-2:#9edc46;--orange:#f49a54;
  --cream:#f5f3ea;--paper:#fffdf7;--line:#d8dfd2;--muted:#66766d;--white:#fff;
  --shadow:0 18px 45px rgba(16,37,31,.10);--radius:18px;--radius-sm:11px;--max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(16,37,31,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
.navbar{height:76px;display:flex;align-items:center;gap:32px;position:relative}
.brand{font-size:20px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
.brand i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--mint);margin:0 8px 2px 0}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-links a{padding:10px 13px;border-radius:8px;color:#d9e4d9;font-size:14px;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--mint);background:rgba(201,243,106,.1)}
.nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
.menu-toggle{display:none;margin-left:auto;background:none;border:1px solid rgba(255,255,255,.32);color:#fff;border-radius:8px;padding:7px 10px;font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:9px;font-weight:800;font-size:15px;transition:.25s ease}
.btn-primary{background:var(--mint);color:var(--ink)}
.btn-primary:hover{background:#e1ff9a;transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#29483d;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--ink);background:var(--paper);transform:translateY(-2px)}
.btn:focus,.nav-links a:focus,.menu-toggle:focus,a:focus,summary:focus{outline:3px solid rgba(244,154,84,.7);outline-offset:3px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.article-hero{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:58px 0 54px}
.article-hero:before{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(201,243,106,.2);right:-90px;bottom:-235px;border-radius:50%;box-shadow:0 0 0 40px rgba(201,243,106,.035),0 0 0 80px rgba(201,243,106,.02)}
.breadcrumb{position:relative;z-index:1;display:flex;gap:9px;align-items:center;flex-wrap:wrap;color:#b8c9ba;font-size:13px;margin-bottom:24px}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb span{color:#6f8778}
.article-category{position:relative;z-index:1;display:inline-flex;align-items:center;background:rgba(201,243,106,.13);color:var(--mint);border:1px solid rgba(201,243,106,.26);border-radius:5px;padding:4px 10px;font-size:12px;font-weight:800;margin-bottom:17px}
.article-hero h1{position:relative;z-index:1;max-width:920px;margin:0;font-size:clamp(31px,4.8vw,58px);line-height:1.2;letter-spacing:-.055em;overflow-wrap:anywhere}
.article-meta{position:relative;z-index:1;display:flex;align-items:center;gap:10px 18px;flex-wrap:wrap;color:#bdcdbf;font-size:14px;margin-top:25px}
.article-meta strong{color:#fff}
.article-layout{display:grid;grid-template-columns:minmax(0,790px) 300px;justify-content:space-between;gap:55px;padding:66px 0 86px}
.article-body{min-width:0}
.article-surface{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(16,37,31,.04);padding:clamp(25px,4vw,55px)}
.article-content{font-size:17px;color:#294237;overflow-wrap:anywhere}
.article-content>*:first-child{margin-top:0}
.article-content h2{font-size:clamp(24px,3vw,32px);line-height:1.32;letter-spacing:-.035em;margin:48px 0 18px;color:var(--ink)}
.article-content h3{font-size:22px;line-height:1.4;margin:34px 0 14px;color:var(--ink)}
.article-content p{margin:0 0 21px}
.article-content a{color:#487126;text-decoration:underline;text-decoration-color:rgba(72,113,38,.4);text-underline-offset:3px;font-weight:700}
.article-content a:hover{color:var(--orange)}
.article-content ul,.article-content ol{padding-left:1.45em;margin:0 0 24px}
.article-content li{margin:8px 0}
.article-content blockquote{margin:30px 0;padding:18px 22px;border-left:4px solid var(--mint-2);background:#f0f6df;color:#385145;border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.article-content img{width:auto;max-width:100%;height:auto;background:#e8eee4;border-radius:var(--radius-sm);margin:28px auto}
.article-content table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:28px 0;border:1px solid var(--line);font-size:15px}
.article-content td,.article-content th{padding:12px 15px;border:1px solid var(--line);text-align:left;white-space:nowrap}
.article-content th{background:#edf2e8;color:var(--ink)}
.article-content hr{border:0;border-top:1px solid var(--line);margin:38px 0}
.article-aside{display:flex;flex-direction:column;gap:18px}
.aside-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:23px}
.aside-card h2{font-size:19px;margin:0 0 15px;line-height:1.35}
.aside-card p{color:var(--muted);font-size:14px;margin:0 0 17px}
.aside-nav{display:flex;flex-direction:column}
.aside-nav a{padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:700}
.aside-nav a:last-child{border-bottom:0}
.aside-nav a:hover{color:#6c9632;padding-left:4px}
.download-mini{background:var(--ink-2);border-color:var(--ink-2);color:#fff;position:relative;overflow:hidden}
.download-mini:after{content:"";position:absolute;width:140px;height:140px;border:1px solid rgba(201,243,106,.25);border-radius:50%;right:-72px;top:-63px}
.download-mini h2,.download-mini p,.download-mini .btn{position:relative;z-index:1}
.download-mini p{color:#c6d4c6}
.download-mini .btn{width:100%;min-height:44px}
.article-tools{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid var(--line);margin-top:38px;padding-top:25px}
.article-tools span{font-size:14px;color:var(--muted)}
.article-tools a{font-weight:800;color:var(--ink)}
.article-tools a:hover{color:#6b9631}
.related{padding:0 0 82px}
.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:#769d3b;margin-bottom:13px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}
.section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.2;letter-spacing:-.04em;margin:0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:205px;display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bdcfaa}
.news-tag{display:inline-flex;align-items:center;width:max-content;background:#e7f5c5;color:#537928;border-radius:5px;padding:4px 9px;font-size:12px;font-weight:800}
.related-card h3{font-size:18px;line-height:1.5;margin:16px 0 14px}
.related-card h3 a:hover{color:#6b9631}
.news-meta{color:var(--muted);font-size:13px;margin-top:auto}
.empty-state{text-align:center;padding:34px 10px}
.empty-icon{width:58px;height:58px;border-radius:50%;margin:0 auto 17px;background:#e8efde;color:#668d35;display:grid;place-items:center;font-size:25px;font-weight:900}
.empty-state h2{font-size:24px;margin:0 0 9px}
.empty-state p{color:var(--muted);margin:0 0 21px}
.notice{background:#fff2df;border:1px solid #f0cfab;border-radius:var(--radius);padding:18px 21px;color:#6d4a2d;font-size:14px;margin-top:24px}
.cta{background:var(--orange);color:var(--ink);padding:37px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta h2{font-size:30px;line-height:1.25;margin:0}
.cta p{margin:6px 0 0}
.cta .btn{background:var(--ink);color:#fff}
.cta .btn:hover{background:#29483d}
.site-footer{background:var(--ink);color:#d5e0d4;padding:48px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:38px}
.footer-title{color:#fff;font-size:19px;font-weight:900;margin-bottom:13px}
.footer-grid p,.footer-grid a{color:#aebdaf;font-size:14px}
.footer-grid p{margin:0}
.footer-grid a{display:block;margin:6px 0}
.footer-grid a:hover{color:var(--mint)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9aac9b;font-size:12px}
.footer-bottom a{text-decoration:underline}
@media(max-width:1100px){
  .navbar{gap:17px}.nav-links{gap:0}.nav-links a{padding:9px 8px;font-size:13px}
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:28px}
}
@media(max-width:860px){
  .container{width:min(var(--max),calc(100% - 32px))}
  .navbar{height:67px}.menu-toggle{display:block}
  .nav-links{display:none;position:absolute;top:67px;left:-16px;right:-16px;background:var(--ink);padding:13px 16px 19px;border-bottom:1px solid rgba(255,255,255,.12);box-shadow:0 14px 24px rgba(0,0,0,.18);flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}.nav-links a{padding:11px 12px}
  .article-hero{padding:42px 0}.article-layout{display:flex;flex-direction:column;padding:43px 0 58px}.article-aside{display:grid;grid-template-columns:1fr 1fr}.download-mini{grid-column:span 2}
  .related-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}
}
@media(max-width:520px){
  body{font-size:15px}.brand{font-size:17px}.article-hero h1{font-size:31px}.article-meta{font-size:13px;margin-top:19px}
  .article-surface{padding:24px 19px}.article-content{font-size:16px}.article-content h2{margin-top:37px}.article-content h3{font-size:20px}
  .article-aside{display:flex}.download-mini{display:block}.related-grid{grid-template-columns:1fr}.section-head{display:block}.section-head h2{margin-bottom:10px}
  .cta-inner,.footer-bottom{display:block}.cta .btn{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom span{display:block;margin:7px 0}
}

/* roulang page: category1 */
:root{
      --ink:#10251f;
      --ink-2:#1d3b31;
      --mint:#c9f36a;
      --mint-2:#9edc46;
      --orange:#f49a54;
      --cream:#f5f3ea;
      --paper:#fffdf7;
      --line:#d8dfd2;
      --muted:#66766d;
      --white:#fff;
      --soft:#e9efdf;
      --shadow:0 18px 45px rgba(16,37,31,.10);
      --radius:18px;
      --radius-sm:11px;
      --max:1220px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;font-size:16px}
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease}
    a:hover{color:#638e2d}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(16,37,31,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px}
    .brand{font-size:20px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
    .brand i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--mint);margin:0 8px 2px 0}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{padding:10px 12px;border-radius:8px;color:#d9e4d9;font-size:14px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:var(--mint);background:rgba(201,243,106,.1)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;padding:7px 11px;line-height:1}
    .menu-toggle:hover{border-color:var(--mint);color:var(--mint)}
    .menu-toggle:focus,.nav-links a:focus,.btn:focus,summary:focus,input:focus{outline:3px solid rgba(244,154,84,.7);outline-offset:3px}
    .hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:78px 0 76px}
    .hero::before{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(201,243,106,.24);border-radius:50%;right:-90px;top:-160px;box-shadow:0 0 0 35px rgba(201,243,106,.04),0 0 0 75px rgba(201,243,106,.025)}
    .hero::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--mint),transparent);opacity:.45}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--mint);margin:0 0 16px}
    .hero h1{font-size:clamp(36px,5vw,66px);line-height:1.14;letter-spacing:-.06em;margin:0;max-width:760px}
    .hero-copy{color:#c9d6c9;max-width:670px;margin:22px 0 30px;font-size:18px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:9px;font-weight:800;font-size:15px;transition:.25s ease}
    .btn-primary{background:var(--mint);color:var(--ink)}
    .btn-primary:hover{background:#e1ff9a;color:var(--ink);transform:translateY(-2px)}
    .btn-secondary{border-color:rgba(255,255,255,.35);color:#fff}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#29483d;color:#fff;transform:translateY(-2px)}
    .btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
    .hero-card{background:#f0f1e5;color:var(--ink);border-radius:22px;padding:28px;box-shadow:var(--shadow);transform:rotate(1deg)}
    .card-mark{height:150px;border-radius:14px;background:var(--ink-2);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;color:var(--mint);font-size:48px;font-weight:900}
    .card-mark::before,.card-mark::after{content:"";position:absolute;border:1px solid rgba(201,243,106,.3);border-radius:50%}
    .card-mark::before{width:230px;height:230px}
    .card-mark::after{width:110px;height:110px}
    .card-mark span{position:relative;z-index:1}
    .panel-title{font-size:22px;font-weight:900;margin:19px 0 3px}
    .panel-text{color:var(--muted);font-size:14px;margin:0 0 18px}
    .panel-meta{display:grid;grid-template-columns:1fr 1fr;gap:10px;border-top:1px solid var(--line);padding-top:16px}
    .panel-meta small{display:block;color:var(--muted);font-size:12px}
    .panel-meta strong{font-size:14px}
    .section{padding:84px 0}
    .section-alt{background:var(--paper)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section h2{font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-.04em;margin:0}
    .section-intro{color:var(--muted);max-width:590px;margin:8px 0 0}
    .text-link{font-weight:800;border-bottom:1px solid var(--ink);padding-bottom:3px;white-space:nowrap}
    .text-link:hover{color:#729b32;border-color:#729b32}
    .topic-strip{display:flex;gap:10px;overflow:auto;scrollbar-width:none;padding-bottom:4px}
    .topic-strip::-webkit-scrollbar{display:none}
    .topic-strip a{white-space:nowrap;background:rgba(16,37,31,.08);padding:9px 17px;border-radius:30px;font-size:14px;font-weight:800}
    .topic-strip a:first-child,.topic-strip a:hover{background:var(--ink);color:var(--mint)}
    .news-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:22px}
    .feature-news,.news-list{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(16,37,31,.04)}
    .feature-news{padding:30px;min-height:350px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
    .feature-news::after{content:"";position:absolute;right:-45px;bottom:-55px;width:170px;height:170px;border:25px solid #e9f5c9;border-radius:50%}
    .news-tag{display:inline-flex;align-items:center;width:max-content;background:#e7f5c5;color:#537928;border-radius:5px;padding:4px 9px;font-size:12px;font-weight:800}
    .feature-news h3{font-size:28px;line-height:1.35;margin:18px 0 10px;max-width:520px;position:relative;z-index:1}
    .feature-news p{color:var(--muted);max-width:520px;margin:0 0 18px;position:relative;z-index:1}
    .news-meta{color:var(--muted);font-size:13px;display:flex;gap:14px;flex-wrap:wrap}
    .news-list{padding:8px 24px}
    .news-item{display:grid;grid-template-columns:1fr auto;gap:15px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-item h3{font-size:16px;line-height:1.45;margin:7px 0}
    .news-item h3 a:hover{color:#6b9631}
    .news-item .news-tag{background:transparent;padding:0;color:#6b9631}
    .news-arrow{font-size:22px;color:var(--orange)}
    .timeline{position:relative;max-width:930px;margin:0 auto}
    .timeline::before{content:"";position:absolute;left:94px;top:10px;bottom:10px;width:1px;background:var(--line)}
    .timeline-row{display:grid;grid-template-columns:94px 1fr;gap:32px;position:relative;padding-bottom:27px}
    .timeline-date{font-size:13px;color:var(--muted);font-weight:800;padding-top:8px}
    .timeline-dot{position:absolute;left:89px;top:11px;width:11px;height:11px;background:var(--mint);border:3px solid var(--paper);border-radius:50%;box-shadow:0 0 0 1px var(--mint-2)}
    .timeline-content{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius-sm);padding:21px 24px}
    .timeline-content h3{font-size:19px;margin:8px 0 6px}
    .timeline-content p{color:var(--muted);margin:0;font-size:14px}
    .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .info-card{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px;transition:.25s ease}
    .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b6cb9b}
    .info-icon{width:42px;height:42px;border-radius:12px;background:var(--mint);display:flex;align-items:center;justify-content:center;font-weight:900;color:var(--ink);margin-bottom:18px}
    .info-card h3{font-size:19px;margin:0 0 8px}
    .info-card p{color:var(--muted);font-size:14px;margin:0}
    .notice{display:flex;gap:16px;align-items:flex-start;background:#f7eadb;border:1px solid #e8c7a7;border-radius:var(--radius-sm);padding:19px 22px;color:#67452d}
    .notice strong{color:#8a542c;white-space:nowrap}
    .faq-wrap{max-width:880px;margin:0 auto}
    .faq-item{border-top:1px solid var(--line);padding:19px 0}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-item summary{list-style:none;cursor:pointer;font-weight:800;display:flex;justify-content:space-between;gap:20px;align-items:center}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{content:"＋";font-size:22px;color:var(--orange);font-weight:400}
    .faq-item[open] summary::after{content:"－"}
    .faq-answer{color:var(--muted);font-size:14px;padding:12px 36px 2px 0}
    .cta{background:var(--orange);color:var(--ink);padding:37px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:30px;line-height:1.25;margin:0}
    .cta p{margin:6px 0 0}
    .site-footer{background:var(--ink);color:#d5e0d4;padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:38px}
    .footer-title{color:#fff;font-size:19px;font-weight:900;margin-bottom:13px}
    .footer-grid p,.footer-grid a{color:#aebdaf;font-size:14px}
    .footer-grid p{margin:0;max-width:360px}
    .footer-grid a{display:block;margin:6px 0}
    .footer-grid a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9aac9b;font-size:12px}
    .footer-bottom a{text-decoration:underline}
    .empty-note{background:var(--paper);border:1px dashed #b9c8b5;border-radius:var(--radius);padding:26px;text-align:center;color:var(--muted)}
    @media(max-width:1024px){
      .navbar{gap:15px}
      .nav-links a{padding:9px 7px;font-size:13px}
      .hero-grid{gap:38px}
      .section{padding:70px 0}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--max))}
      .navbar{height:67px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:67px;left:0;right:0;background:var(--ink);padding:10px 16px 18px;border-top:1px solid rgba(255,255,255,.1);box-shadow:0 15px 25px rgba(0,0,0,.18)}
      .nav-links.is-open{display:grid;grid-template-columns:1fr 1fr;gap:4px}
      .nav-links a{padding:12px 10px}
      .hero{padding:60px 0 58px}
      .hero-grid,.news-layout{grid-template-columns:1fr}
      .hero-card{transform:none;max-width:620px}
      .hero-copy{font-size:16px}
      .section-head{display:block}
      .section-head .text-link{display:inline-block;margin-top:14px}
      .info-grid{grid-template-columns:1fr 1fr}
      .cta-inner{display:block}
      .cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }
    @media(max-width:520px){
      .brand{font-size:17px}
      .hero h1{font-size:38px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
      .section{padding:58px 0}
      .info-grid{grid-template-columns:1fr}
      .timeline::before{left:8px}
      .timeline-row{display:block;padding-left:31px}
      .timeline-dot{left:3px}
      .timeline-date{padding:0 0 7px}
      .timeline-content{padding:18px}
      .feature-news{min-height:320px;padding:24px}
      .feature-news h3{font-size:23px}
      .news-list{padding:5px 17px}
      .news-item{grid-template-columns:1fr}
      .news-arrow{display:none}
      .notice{display:block}
      .notice strong{display:block;margin-bottom:5px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .cta h2{font-size:26px}
    }

/* roulang page: category2 */
:root{
      --ink:#10251f;
      --ink-2:#1d3b31;
      --mint:#c9f36a;
      --mint-2:#9edc46;
      --orange:#f49a54;
      --cream:#f5f3ea;
      --paper:#fffdf7;
      --line:#d8dfd2;
      --muted:#66766d;
      --white:#ffffff;
      --soft:#e9eee3;
      --danger:#fff0dc;
      --shadow:0 18px 45px rgba(16,37,31,.10);
      --shadow-sm:0 8px 25px rgba(16,37,31,.06);
      --radius:18px;
      --radius-sm:11px;
      --max:1220px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;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(--max),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(16,37,31,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px;position:relative}
    .brand{font-size:20px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
    .brand i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--mint);margin:0 8px 2px 0}
    .nav-links{display:flex;align-items:center;gap:3px;margin-left:auto}
    .nav-links a{padding:10px 11px;border-radius:8px;color:#d9e4d9;font-size:13px}
    .nav-links a:hover,.nav-links a.active{color:var(--mint);background:rgba(201,243,106,.1)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;padding:7px 10px}
    .hero-inner{background:var(--ink);color:#fff;padding:78px 0 70px;position:relative;overflow:hidden}
    .hero-inner:after{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(201,243,106,.2);border-radius:50%;right:-110px;top:-170px;box-shadow:0 0 0 36px rgba(201,243,106,.035),0 0 0 74px rgba(201,243,106,.025)}
    .hero-content{position:relative;z-index:1;max-width:850px}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--mint);margin-bottom:16px}
    .breadcrumb{color:#aebdaf;font-size:13px;margin-bottom:25px}
    .breadcrumb a:hover{color:var(--mint)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.14;letter-spacing:-.06em;margin-bottom:20px}
    .hero-copy{color:#c9d6c9;max-width:700px;font-size:18px;margin-bottom:29px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:9px;font-weight:800;font-size:15px;transition:.25s ease}
    .btn-primary{background:var(--mint);color:var(--ink)}
    .btn-primary:hover{background:#e1ff9a;transform:translateY(-2px)}
    .btn-secondary{border-color:rgba(255,255,255,.35);color:#fff}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#29483d;transform:translateY(-2px)}
    .btn:focus,.nav-links a:focus,.menu-toggle:focus,summary:focus,input:focus{outline:3px solid rgba(244,154,84,.65);outline-offset:3px}
    .btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section h2{font-size:clamp(27px,3vw,42px);line-height:1.2;letter-spacing:-.04em;margin-bottom:0}
    .section-intro{color:var(--muted);max-width:620px}
    .download-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:56px;align-items:stretch}
    .app-preview{background:var(--ink);border-radius:26px;padding:30px;color:#fff;min-height:420px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
    .app-preview:before{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(201,243,106,.3);border-radius:50%;right:-105px;bottom:-100px}
    .app-mark{width:76px;height:76px;border-radius:20px;background:var(--mint);color:var(--ink);display:grid;place-items:center;font-size:30px;font-weight:900;box-shadow:10px 10px 0 rgba(244,154,84,.8)}
    .preview-caption{position:absolute;left:30px;right:30px;bottom:30px}
    .preview-caption strong{font-size:25px;display:block;margin-bottom:8px}
    .preview-caption p{color:#c9d6c9;margin-bottom:0}
    .download-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}
    .download-card h2{font-size:30px;line-height:1.25;margin-bottom:10px}
    .download-card>p{color:var(--muted);margin-bottom:25px}
    .app-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:22px 0}
    .fact{background:var(--soft);border-radius:var(--radius-sm);padding:15px}
    .fact small{display:block;color:var(--muted);font-size:12px;margin-bottom:3px}
    .fact strong{font-size:15px}
    .notice{border-left:4px solid var(--orange);background:var(--danger);padding:13px 15px;color:#76502e;font-size:14px;margin:22px 0}
    .device-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}
    .device-tab{border:1px solid var(--line);background:var(--white);color:var(--ink);padding:9px 14px;border-radius:30px;font-weight:700}
    .device-tab:hover,.device-tab.active{background:var(--ink);border-color:var(--ink);color:var(--mint)}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .step{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:25px;position:relative}
    .step-number{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:var(--mint);font-weight:900;margin-bottom:20px}
    .step h3{font-size:20px;margin-bottom:8px}
    .step p{color:var(--muted);font-size:14px;margin-bottom:0}
    .requirement-band{background:var(--ink-2);color:#fff;padding:48px 0}
    .requirement-grid{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
    .requirement-band h2{font-size:32px;line-height:1.25;margin-bottom:12px}
    .requirement-band p{color:#c9d6c9;margin-bottom:0}
    .check-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .check-list div{border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:13px 15px;color:#e1ebe0}
    .check-list b{color:var(--mint);margin-right:7px}
    .guide-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .guide-main,.guide-side{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
    .guide-main h3,.guide-side h3{font-size:23px;margin-bottom:17px}
    .guide-main p,.guide-side li{color:var(--muted);font-size:15px}
    .guide-side ul{padding-left:20px;margin-bottom:0}
    .guide-side li+li{margin-top:10px}
    .faq-wrap{max-width:880px;margin:auto}
    .faq-item{border-top:1px solid var(--line);padding:19px 0}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-item summary{font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:15px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";color:var(--orange);font-size:22px;line-height:1}
    .faq-item[open] summary:after{content:"－"}
    .faq-item p{color:var(--muted);font-size:15px;margin:12px 30px 0 0}
    .cta{background:var(--orange);color:var(--ink);padding:37px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:30px;line-height:1.25;margin-bottom:6px}
    .cta p{margin-bottom:0}
    .site-footer{background:var(--ink);color:#d5e0d4;padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:38px}
    .footer-title{color:#fff;font-size:19px;font-weight:900;margin-bottom:13px}
    .footer-grid p,.footer-grid a{color:#aebdaf;font-size:14px}
    .footer-grid p{max-width:310px}
    .footer-grid a{display:block;margin:6px 0}
    .footer-grid a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9aac9b;font-size:12px}
    .footer-bottom a{text-decoration:underline}
    @media(max-width:1024px){
      .nav-links{gap:0}
      .nav-links a{padding:9px 7px;font-size:12px}
      .download-layout{gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--max))}
      .navbar{height:67px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:67px;left:-16px;right:-16px;background:var(--ink);padding:10px 16px 16px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.12)}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 13px;font-size:14px}
      .hero-inner{padding:58px 0 62px}
      .hero-copy{font-size:16px}
      .download-layout,.requirement-grid,.guide-grid{grid-template-columns:1fr}
      .app-preview{min-height:300px}
      .steps{grid-template-columns:1fr}
      .section{padding:60px 0}
      .section-head{display:block}
      .section-intro{margin-top:12px}
      .check-list{grid-template-columns:1fr}
      .cta-inner{display:block}
      .cta .btn{margin-top:18px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:480px){
      h1{font-size:35px}
      .brand{font-size:17px}
      .hero-actions .btn,.download-card .btn{width:100%}
      .download-card,.guide-main,.guide-side{padding:22px}
      .app-facts{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }

/* roulang page: category3 */
:root{
      --ink:#10251f;
      --ink-2:#1d3b31;
      --mint:#c9f36a;
      --mint-2:#9edc46;
      --orange:#f49a54;
      --cream:#f5f3ea;
      --paper:#fffdf7;
      --line:#d8dfd2;
      --muted:#66766d;
      --white:#ffffff;
      --soft:#eaf0e2;
      --warning:#fff0d8;
      --shadow:0 18px 45px rgba(16,37,31,.10);
      --shadow-sm:0 8px 25px rgba(16,37,31,.06);
      --radius:18px;
      --radius-sm:11px;
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--cream);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{font-weight:900;letter-spacing:-.045em}
    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(--max),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(16,37,31,.97);color:var(--white);
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .navbar{height:76px;display:flex;align-items:center;gap:32px;position:relative}
    .brand{font-size:20px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
    .brand i{
      display:inline-block;width:9px;height:9px;border-radius:50%;
      background:var(--mint);margin:0 8px 2px 0;
    }
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links a{
      padding:10px 13px;border-radius:8px;color:#d9e4d9;font-size:14px
    }
    .nav-links a:hover,.nav-links a.active{
      color:var(--mint);background:rgba(201,243,106,.1)
    }
    .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
    .menu-toggle{
      display:none;background:none;border:1px solid rgba(255,255,255,.3);
      color:#fff;border-radius:8px;padding:7px 10px
    }
    .menu-toggle:focus,.nav-links a:focus,.btn:focus,summary:focus{
      outline:3px solid rgba(244,154,84,.7);outline-offset:3px
    }
    .guide-hero{
      background:var(--ink);color:#fff;padding:78px 0 74px;
      position:relative;overflow:hidden
    }
    .guide-hero:before{
      content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(201,243,106,.17);
      border-radius:50%;right:-180px;top:-270px;
      box-shadow:0 0 0 38px rgba(201,243,106,.035),0 0 0 78px rgba(201,243,106,.025)
    }
    .hero-content{position:relative;z-index:1;max-width:850px}
    .eyebrow,.section-kicker{
      color:var(--mint);font-size:12px;font-weight:800;letter-spacing:.16em;
      margin-bottom:16px
    }
    .guide-hero h1{font-size:clamp(36px,5vw,64px);line-height:1.14;margin-bottom:22px}
    .hero-copy{color:#c9d6c9;max-width:720px;font-size:18px;margin-bottom:30px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;min-height:48px;
      padding:0 21px;border:1px solid transparent;border-radius:9px;
      font-weight:800;font-size:15px;transition:.25s ease
    }
    .btn-primary{background:var(--mint);color:var(--ink)}
    .btn-primary:hover{background:#e1ff9a;transform:translateY(-2px)}
    .btn-secondary{border-color:rgba(255,255,255,.35);color:#fff}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .breadcrumb{
      padding:22px 0 0;color:#b5c5b4;font-size:13px;position:relative;z-index:1
    }
    .breadcrumb a:hover{color:var(--mint)}
    .section{padding:82px 0}
    .section-light{background:var(--paper)}
    .section-head{
      display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px
    }
    .section h2{font-size:clamp(28px,3vw,42px);line-height:1.2;margin-bottom:0}
    .section-intro{max-width:580px;color:var(--muted);margin:0}
    .guide-steps{
      display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
      counter-reset:guide
    }
    .step-card{
      background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
      padding:25px 22px;min-height:230px;position:relative;
      box-shadow:var(--shadow-sm);transition:.25s ease
    }
    .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .step-no{
      width:42px;height:42px;border-radius:50%;background:var(--mint);
      display:flex;align-items:center;justify-content:center;font-weight:900;
      margin-bottom:24px;color:var(--ink)
    }
    .step-card h3{font-size:20px;line-height:1.35;margin-bottom:10px}
    .step-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .path-layout{
      display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:start
    }
    .path-panel{
      background:var(--ink);color:#fff;border-radius:var(--radius);padding:32px;
      box-shadow:var(--shadow)
    }
    .path-panel h3{font-size:27px;margin-bottom:10px}
    .path-panel p{color:#c8d6c7}
    .path-list{list-style:none;padding:0;margin:25px 0 0}
    .path-list li{
      display:flex;gap:15px;padding:16px 0;border-top:1px solid rgba(255,255,255,.15)
    }
    .path-list b{color:var(--mint);font-size:14px;min-width:26px}
    .path-list span{font-size:15px;color:#e4ece2}
    .check-list{list-style:none;margin:0;padding:0}
    .check-list li{
      position:relative;padding:17px 0 17px 34px;border-bottom:1px solid var(--line)
    }
    .check-list li:last-child{border-bottom:0}
    .check-list li:before{
      content:"✓";position:absolute;left:0;top:17px;width:22px;height:22px;
      border-radius:50%;background:var(--mint);color:var(--ink);
      font-size:13px;font-weight:900;text-align:center;line-height:22px
    }
    .check-list strong{display:block;font-size:17px;margin-bottom:3px}
    .check-list span{display:block;color:var(--muted);font-size:14px}
    .device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .device-card{
      background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
      padding:25px;transition:.25s ease
    }
    .device-card:hover{border-color:var(--mint-2);box-shadow:var(--shadow-sm)}
    .device-icon{
      width:46px;height:46px;display:grid;place-items:center;border-radius:12px;
      background:#e7f5c5;color:#537928;font-size:22px;margin-bottom:17px
    }
    .device-card h3{font-size:19px;margin-bottom:8px}
    .device-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .notice{
      display:flex;gap:17px;align-items:flex-start;padding:22px 25px;
      background:var(--warning);border:1px solid #f1d7ae;border-radius:var(--radius-sm);
      color:#704d27
    }
    .notice-mark{font-size:22px;line-height:1;color:var(--orange)}
    .notice strong{display:block;color:#583819;margin-bottom:4px}
    .notice p{margin:0;font-size:14px}
    .faq-wrap{max-width:900px;margin:0 auto}
    .faq-item{border-top:1px solid var(--line);padding:19px 0}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-item summary{
      cursor:pointer;list-style:none;font-size:17px;font-weight:800;
      display:flex;justify-content:space-between;gap:20px
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";color:var(--orange);font-size:22px;line-height:1}
    .faq-item[open] summary:after{content:"－"}
    .faq-item p{color:var(--muted);font-size:15px;max-width:780px;margin:13px 36px 2px 0}
    .cta{background:var(--orange);color:var(--ink);padding:38px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:30px;line-height:1.25;margin-bottom:6px}
    .cta p{margin:0}
    .cta .btn{background:var(--ink);color:#fff}
    .cta .btn:hover{background:#29483d;transform:translateY(-2px)}
    .site-footer{background:var(--ink);color:#d5e0d4;padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:38px}
    .footer-title{color:#fff;font-size:19px;font-weight:900;margin-bottom:13px}
    .footer-grid p,.footer-grid a{color:#aebdaf;font-size:14px}
    .footer-grid p{max-width:330px}
    .footer-grid a{display:block;margin:6px 0}
    .footer-grid a:hover{color:var(--mint)}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.14);padding-top:20px;
      display:flex;justify-content:space-between;gap:20px;color:#9aac9b;font-size:12px
    }
    .footer-bottom a{text-decoration:underline}
    @media (max-width:1024px){
      .nav-links a{padding:9px 8px;font-size:13px}
      .guide-steps{grid-template-columns:repeat(2,1fr)}
      .path-layout{gap:28px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,var(--max))}
      .navbar{height:67px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{
        display:none;position:absolute;top:67px;left:-16px;right:-16px;
        background:var(--ink);padding:10px 16px 16px;border-top:1px solid rgba(255,255,255,.1);
        flex-direction:column;align-items:stretch
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .guide-hero{padding:62px 0 55px}
      .hero-copy{font-size:16px}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-intro{margin-top:14px}
      .path-layout{grid-template-columns:1fr}
      .device-grid{grid-template-columns:1fr}
      .cta-inner{display:block}
      .cta .btn{margin-top:18px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }
    @media (max-width:480px){
      .brand{font-size:17px}
      .guide-hero h1{font-size:36px}
      .hero-actions .btn{width:100%}
      .guide-steps{grid-template-columns:1fr}
      .step-card{min-height:auto}
      .path-panel{padding:25px 21px}
      .notice{padding:19px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }

/* roulang page: category4 */
:root{
      --ink:#10251f;
      --ink-2:#1d3b31;
      --mint:#c9f36a;
      --mint-2:#9edc46;
      --orange:#f49a54;
      --cream:#f5f3ea;
      --paper:#fffdf7;
      --line:#d8dfd2;
      --muted:#66766d;
      --white:#fff;
      --shadow:0 18px 45px rgba(16,37,31,.10);
      --radius:18px;
      --radius-sm:11px;
      --max:1220px;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:#6c9635}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(16,37,31,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
    .navbar{height:76px;display:flex;align-items:center;gap:30px}
    .brand{font-size:20px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
    .brand i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--mint);margin:0 8px 2px 0}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{padding:10px 12px;border-radius:8px;color:#d9e4d9;font-size:14px}
    .nav-links a:hover,.nav-links a.active{color:var(--mint);background:rgba(201,243,106,.1)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;padding:7px 10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:9px;font-weight:800;font-size:15px;transition:.25s ease}
    .btn-primary{background:var(--mint);color:var(--ink)}
    .btn-primary:hover{background:#e1ff9a;color:var(--ink);transform:translateY(-2px)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#29483d;color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--ink);color:var(--ink)}
    .btn-outline:hover{background:var(--ink);color:#fff}
    .btn:focus,.nav-links a:focus,.menu-toggle:focus,input:focus,summary:focus{outline:3px solid rgba(244,154,84,.65);outline-offset:3px}
    .btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
    .hero{background:var(--ink);color:#fff;padding:82px 0 76px;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(201,243,106,.18);border-radius:50%;right:-150px;top:-180px;box-shadow:0 0 0 38px rgba(201,243,106,.035),0 0 0 78px rgba(201,243,106,.025)}
    .hero-content{position:relative;z-index:1;max-width:850px}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--mint);margin-bottom:15px}
    .hero h1{font-size:clamp(36px,5vw,64px);line-height:1.14;letter-spacing:-.06em;margin:0}
    .hero-copy{color:#c9d6c9;max-width:730px;margin:22px 0 29px;font-size:18px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .breadcrumb{padding:22px 0 0;color:var(--muted);font-size:14px}
    .breadcrumb a{text-decoration:underline;text-underline-offset:3px}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section h2{font-size:clamp(27px,3vw,42px);line-height:1.2;letter-spacing:-.04em;margin:0}
    .section-intro{color:var(--muted);max-width:590px;margin:8px 0 0}
    .timeline{position:relative;margin-top:18px}
    .timeline:before{content:"";position:absolute;left:130px;top:16px;bottom:16px;width:2px;background:var(--line)}
    .event{display:grid;grid-template-columns:130px 1fr;gap:33px;position:relative;padding:0 0 24px}
    .event-date{font-size:14px;color:var(--muted);font-weight:800;text-align:right;padding-top:21px}
    .event-dot{position:absolute;left:123px;top:23px;width:16px;height:16px;background:var(--mint);border:4px solid var(--cream);border-radius:50%;z-index:1}
    .event-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:23px 27px;display:flex;justify-content:space-between;gap:25px;align-items:center;transition:.25s ease}
    .event-card:hover{transform:translateX(4px);box-shadow:var(--shadow)}
    .event-card h3{margin:10px 0 7px;font-size:21px;line-height:1.4}
    .event-card p{color:var(--muted);margin:0;font-size:14px}
    .event-label{display:inline-flex;background:#e7f5c5;color:#537928;border-radius:5px;padding:4px 9px;font-size:12px;font-weight:800}
    .event-time{white-space:nowrap;color:#9c5a26;font-weight:900;font-size:14px}
    .feature-band{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden;box-shadow:0 8px 25px rgba(16,37,31,.04)}
    .feature-copy{padding:38px}
    .feature-copy h2{font-size:32px;line-height:1.3;margin:16px 0 13px}
    .feature-copy p{color:var(--muted);margin:0 0 23px}
    .visual-field{min-height:300px;background:var(--ink-2);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
    .visual-field:before,.visual-field:after{content:"";position:absolute;border:1px solid rgba(201,243,106,.35);border-radius:50%}
    .visual-field:before{width:300px;height:300px}
    .visual-field:after{width:190px;height:190px}
    .score-mark{position:relative;z-index:1;color:var(--mint);font-size:56px;font-weight:900;letter-spacing:.08em}
    .score-mark small{display:block;color:#d9e4d9;font-size:12px;letter-spacing:.2em;text-align:center}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .topic-card{background:var(--paper);padding:25px;border:1px solid var(--line);border-radius:var(--radius);min-height:170px;position:relative;transition:.25s ease}
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .topic-card strong{display:block;font-size:20px;margin-bottom:8px}
    .topic-card p{color:var(--muted);font-size:14px;margin:0;padding-right:22px}
    .topic-card span{position:absolute;right:22px;bottom:20px;color:var(--orange);font-size:21px}
    .notice{background:#edf3df;border:1px solid #cbd9b8;border-left:5px solid var(--mint-2);border-radius:var(--radius-sm);padding:19px 22px;color:#3e553d}
    .notice strong{display:block;color:var(--ink);margin-bottom:3px}
    .faq-wrap{max-width:860px;margin:auto}
    .faq-item{border-top:1px solid var(--line);padding:19px 0}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    summary{cursor:pointer;font-weight:800;list-style:none;padding-right:25px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";position:absolute;right:0;color:var(--orange);font-size:22px;line-height:1}
    details[open] summary:after{content:"－"}
    .faq-answer{color:var(--muted);padding:12px 30px 2px 0;font-size:15px}
    .cta{background:var(--orange);color:var(--ink);padding:37px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:30px;line-height:1.25;margin:0}
    .cta p{margin:6px 0 0}
    .site-footer{background:var(--ink);color:#d5e0d4;padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:38px}
    .footer-title{color:#fff;font-size:19px;font-weight:900;margin-bottom:13px}
    .footer-grid p,.footer-grid a{color:#aebdaf;font-size:14px}
    .footer-grid p{margin:0;max-width:330px}
    .footer-grid a{display:block;margin:6px 0}
    .footer-grid a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9aac9b;font-size:12px}
    .footer-bottom a{text-decoration:underline}
    @media(max-width:1024px){
      .nav-links a{padding:9px 7px;font-size:13px}
      .container{width:min(100% - 32px,var(--max))}
      .hero{padding:68px 0}
    }
    @media(max-width:768px){
      .navbar{height:67px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:67px;left:0;right:0;background:var(--ink);padding:9px 16px 17px;border-top:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 13px}
      .hero h1{font-size:42px}
      .hero-copy{font-size:16px}
      .section{padding:58px 0}
      .section-head{display:block}
      .feature-band{grid-template-columns:1fr}
      .visual-field{min-height:220px}
      .topic-grid{grid-template-columns:1fr}
      .event{grid-template-columns:92px 1fr;gap:22px}
      .timeline:before{left:91px}
      .event-dot{left:84px}
      .event-date{text-align:right;font-size:13px}
      .event-card{display:block;padding:20px}
      .event-time{display:block;margin-top:12px}
      .cta-inner{display:block}
      .cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}
      .brand{font-size:17px}
      .hero{padding:56px 0 60px}
      .hero h1{font-size:35px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
      .section h2{font-size:29px}
      .feature-copy{padding:26px 22px}
      .feature-copy h2{font-size:26px}
      .topic-grid{grid-template-columns:1fr}
      .event{grid-template-columns:1fr;gap:7px;padding-bottom:18px}
      .timeline:before{left:7px;top:12px}
      .event-dot{left:0;top:14px}
      .event-date{text-align:left;padding:0 0 0 28px}
      .event-card{margin-left:28px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{font-size:11px}
    }

/* roulang page: category5 */
:root{
      --ink:#10251f;
      --ink-2:#1d3b31;
      --mint:#c9f36a;
      --mint-2:#9edc46;
      --orange:#f49a54;
      --cream:#f5f3ea;
      --paper:#fffdf7;
      --line:#d8dfd2;
      --muted:#66766d;
      --white:#ffffff;
      --soft-green:#e7f5c5;
      --soft-orange:#fff0df;
      --shadow:0 18px 45px rgba(16,37,31,.10);
      --radius:18px;
      --radius-sm:11px;
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;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(--max),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(16,37,31,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px}
    .brand{font-size:20px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
    .brand i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--mint);margin:0 8px 2px 0}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{padding:10px 12px;border-radius:8px;color:#d9e4d9;font-size:14px}
    .nav-links a:hover,.nav-links a.active{color:var(--mint);background:rgba(201,243,106,.1)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;padding:7px 10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:9px;font-weight:800;font-size:15px;transition:.25s ease}
    .btn-primary{background:var(--mint);color:var(--ink)}
    .btn-primary:hover{background:#e1ff9a;transform:translateY(-2px)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#315044;transform:translateY(-2px)}
    .btn-outline{border-color:var(--ink);color:var(--ink)}
    .btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
    .btn:focus,.nav-links a:focus,.menu-toggle:focus,input:focus,summary:focus{outline:3px solid rgba(244,154,84,.65);outline-offset:3px}
    .btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
    .feature-hero{background:var(--ink);color:#fff;padding:76px 0 70px;position:relative;overflow:hidden}
    .feature-hero:before{content:"";position:absolute;right:-100px;bottom:-250px;width:600px;height:600px;border:1px solid rgba(201,243,106,.22);border-radius:50%;box-shadow:0 0 0 35px rgba(201,243,106,.04),0 0 0 75px rgba(201,243,106,.025)}
    .hero-content{position:relative;z-index:1;max-width:850px}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--mint);margin-bottom:16px}
    .feature-hero h1{font-size:clamp(36px,5vw,64px);line-height:1.14;letter-spacing:-.06em;margin:0 0 20px}
    .hero-copy{color:#c9d6c9;max-width:730px;font-size:18px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .crumbs{padding:20px 0 0;color:var(--muted);font-size:14px}
    .crumbs a{text-decoration:underline;text-underline-offset:3px}
    .crumbs a:hover{color:var(--mint-2)}
    .section{padding:80px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section h2{font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-.04em;margin:0}
    .section-intro{color:var(--muted);max-width:590px;margin:10px 0 0}
    .feature-band{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:0 8px 25px rgba(16,37,31,.04)}
    .feature-band h3{font-size:24px;margin:0 0 10px}
    .feature-band p{color:var(--muted);margin:0}
    .capability-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .capability-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .capability-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px;transition:.25s ease}
    .capability-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8c9ae}
    .capability-icon{width:42px;height:42px;border-radius:12px;background:var(--soft-green);display:flex;align-items:center;justify-content:center;color:#507526;font-weight:900;font-size:19px;margin-bottom:17px}
    .capability-card h3{font-size:19px;margin:0 0 7px}
    .capability-card p{color:var(--muted);font-size:14px;margin:0}
    .preview-card{background:var(--ink-2);color:#fff;border-radius:var(--radius);padding:30px;position:relative;overflow:hidden;min-height:410px}
    .preview-card:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(201,243,106,.35);border-radius:50%;right:-65px;top:34px}
    .preview-label{display:inline-flex;background:rgba(201,243,106,.13);color:var(--mint);border:1px solid rgba(201,243,106,.25);border-radius:30px;padding:5px 10px;font-size:12px;font-weight:800}
    .preview-card h3{font-size:28px;line-height:1.3;margin:26px 0 9px;max-width:300px}
    .preview-card p{color:#c8d7c9;font-size:14px;max-width:340px}
    .screen-lines{position:absolute;left:30px;right:30px;bottom:28px;display:grid;gap:10px}
    .screen-line{height:12px;border-radius:20px;background:rgba(255,255,255,.14)}
    .screen-line:nth-child(1){width:72%;background:var(--mint)}
    .screen-line:nth-child(2){width:92%}
    .screen-line:nth-child(3){width:55%;background:var(--orange)}
    .compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}
    .compare-table{width:100%;min-width:680px;border-collapse:collapse}
    .compare-table th,.compare-table td{text-align:left;padding:19px 22px;border-bottom:1px solid var(--line);vertical-align:top}
    .compare-table th{background:var(--ink);color:#fff;font-size:14px}
    .compare-table th:first-child{border-radius:17px 0 0 0}
    .compare-table th:last-child{border-radius:0 17px 0 0}
    .compare-table tr:last-child td{border-bottom:0}
    .compare-table td{font-size:14px;color:var(--muted)}
    .compare-table td:first-child{font-weight:900;color:var(--ink);width:28%}
    .status{display:inline-flex;align-items:center;gap:7px;font-weight:800;color:#557b29}
    .status:before{content:"";width:8px;height:8px;background:var(--mint-2);border-radius:50%}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:25px}
    .step-number{font-size:34px;line-height:1;color:var(--orange);font-weight:900;margin-bottom:25px}
    .step h3{font-size:18px;margin:0 0 8px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .notice{background:var(--soft-orange);border-left:4px solid var(--orange);border-radius:var(--radius-sm);padding:20px 22px;color:#684c35}
    .notice strong{display:block;color:var(--ink);margin-bottom:4px}
    .faq-wrap{max-width:900px;margin:auto}
    .faq-item{border-top:1px solid var(--line);padding:20px 0}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-item summary{cursor:pointer;font-weight:900;list-style:none;display:flex;justify-content:space-between;gap:20px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";color:var(--orange);font-size:22px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{color:var(--muted);padding:13px 32px 0 0;max-width:760px}
    .cta{background:var(--orange);color:var(--ink);padding:38px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:30px;line-height:1.25;margin:0}
    .cta p{margin:7px 0 0}
    .site-footer{background:var(--ink);color:#d5e0d4;padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:38px}
    .footer-title{color:#fff;font-size:19px;font-weight:900;margin-bottom:13px}
    .footer-grid p,.footer-grid a{color:#aebdaf;font-size:14px}
    .footer-grid p{margin:0;max-width:350px}
    .footer-grid a{display:block;margin:6px 0}
    .footer-grid a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9aac9b;font-size:12px}
    .footer-bottom a{text-decoration:underline}
    @media (max-width:1024px){
      .nav-links a{padding:9px 7px;font-size:13px}
      .capability-grid{grid-template-columns:1fr}
      .preview-card{min-height:280px}
      .steps{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,var(--max))}
      .navbar{height:67px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:67px;left:0;right:0;background:var(--ink);padding:10px 16px 17px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1)}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 13px}
      .feature-hero{padding:60px 0 55px}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-head .text-link{display:inline-block;margin-top:15px}
      .capability-list{grid-template-columns:1fr}
      .feature-band{padding:25px}
      .cta-inner{display:block}
      .cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .brand{font-size:17px}
      .feature-hero h1{font-size:36px}
      .hero-copy{font-size:16px}
      .hero-actions{display:grid}
      .hero-actions .btn{width:100%}
      .steps{grid-template-columns:1fr}
      .preview-card{min-height:330px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .cta h2{font-size:25px}
    }

/* roulang page: category6 */
:root{
      --ink:#10251f;
      --ink-2:#1d3b31;
      --mint:#c9f36a;
      --mint-2:#9edc46;
      --orange:#f49a54;
      --cream:#f5f3ea;
      --paper:#fffdf7;
      --line:#d8dfd2;
      --muted:#66766d;
      --white:#fff;
      --danger:#fff0dc;
      --shadow:0 18px 45px rgba(16,37,31,.10);
      --radius:18px;
      --radius-sm:11px;
      --max:1220px;
    }
    *{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:1.7}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:#719b35}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(16,37,31,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px}
    .brand{font-size:20px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
    .brand i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--mint);margin:0 8px 2px 0}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{padding:10px 12px;border-radius:8px;color:#d9e4d9;font-size:14px}
    .nav-links a:hover,.nav-links a.active{color:var(--mint);background:rgba(201,243,106,.1)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;padding:7px 11px}
    .hero{background:var(--ink);color:#fff;padding:78px 0 72px;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(201,243,106,.2);border-radius:50%;right:-160px;top:-220px;box-shadow:0 0 0 38px rgba(201,243,106,.035),0 0 0 78px rgba(201,243,106,.025)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;font-weight:800;color:var(--mint);margin-bottom:15px}
    .hero h1{font-size:clamp(35px,5vw,62px);line-height:1.13;letter-spacing:-.06em;margin:0;max-width:720px}
    .hero p{color:#cbd8cc;max-width:650px;font-size:18px;margin:22px 0 28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:9px;font-size:15px;font-weight:800;transition:.25s ease}
    .btn-primary{background:var(--mint);color:var(--ink)}
    .btn-primary:hover{background:#e2ff9c;color:var(--ink);transform:translateY(-2px)}
    .btn-secondary{border-color:rgba(255,255,255,.35);color:#fff}
    .btn-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .btn:focus,.nav-links a:focus,.menu-toggle:focus,input:focus,summary:focus{outline:3px solid rgba(244,154,84,.7);outline-offset:3px}
    .hero-note{border-left:3px solid var(--orange);padding:13px 0 13px 18px;color:#d9e4d9;font-size:14px}
    .hero-index{background:#f0f1e5;color:var(--ink);border-radius:22px;padding:26px;box-shadow:var(--shadow);transform:rotate(1deg)}
    .index-label{font-size:13px;color:var(--muted);font-weight:800}
    .index-number{font-size:72px;line-height:1;font-weight:900;color:var(--ink-2);margin:12px 0}
    .index-caption{font-weight:800;font-size:20px}
    .index-line{height:7px;background:#dbe3d1;border-radius:20px;margin:20px 0 14px;overflow:hidden}
    .index-line span{display:block;width:76%;height:100%;background:var(--orange);border-radius:20px}
    .index-links{display:flex;gap:8px;flex-wrap:wrap}
    .index-links span{background:rgba(16,37,31,.08);border-radius:30px;padding:6px 11px;font-size:12px;font-weight:800}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
    .section h2{font-size:clamp(27px,3vw,42px);line-height:1.2;letter-spacing:-.04em;margin:0}
    .section-intro{color:var(--muted);max-width:570px;margin:8px 0 0}
    .search-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:25px;display:flex;gap:16px;align-items:end;box-shadow:0 8px 25px rgba(16,37,31,.04)}
    .field{flex:1}
    .field label{display:block;font-weight:800;font-size:14px;margin-bottom:7px}
    .field input{width:100%;height:48px;border:1px solid var(--line);border-radius:9px;background:#fff;padding:0 15px;color:var(--ink)}
    .field input::placeholder{color:#94a198}
    .filter-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px}
    .filter-tags button{border:1px solid var(--line);background:var(--paper);border-radius:30px;padding:7px 13px;font-size:13px;color:var(--ink-2)}
    .filter-tags button:hover,.filter-tags button.selected{background:var(--ink);color:var(--mint);border-color:var(--ink)}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px;align-items:start}
    .faq-intro{background:var(--ink-2);color:#fff;border-radius:var(--radius);padding:30px;position:sticky;top:105px}
    .faq-intro h3{font-size:25px;line-height:1.35;margin:0 0 12px}
    .faq-intro p{color:#cbd8cc;font-size:14px;margin:0 0 20px}
    .mini-list{list-style:none;padding:0;margin:0}
    .mini-list li{border-top:1px solid rgba(255,255,255,.16);padding:12px 0;color:#dce7dc;font-size:14px}
    .mini-list b{color:var(--mint);margin-right:8px}
    .faq-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:7px 27px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:21px 0;font-size:17px;font-weight:900}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";font-size:24px;color:var(--orange);font-weight:400}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{color:var(--muted);font-size:15px;padding:0 38px 22px 0}
    .faq-answer a{color:#628d2d;text-decoration:underline}
    .notice{background:var(--danger);border:1px solid #efc996;border-radius:var(--radius-sm);padding:20px 23px;display:flex;gap:16px;align-items:flex-start}
    .notice-mark{width:29px;height:29px;border-radius:50%;background:var(--orange);color:var(--ink);display:grid;place-items:center;font-weight:900;flex:none}
    .notice strong{display:block;margin-bottom:3px}
    .notice p{margin:0;color:#72563a;font-size:14px}
    .cta{background:var(--orange);color:var(--ink);padding:38px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:30px;line-height:1.25;margin:0}
    .cta p{margin:6px 0 0}
    .cta .btn{background:var(--ink);color:#fff}
    .cta .btn:hover{background:#29483d;color:#fff}
    .site-footer{background:var(--ink);color:#d5e0d4;padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:38px}
    .footer-title{color:#fff;font-size:19px;font-weight:900;margin-bottom:13px}
    .footer-grid p,.footer-grid a{color:#aebdaf;font-size:14px}
    .footer-grid p{max-width:330px}
    .footer-grid a{display:block;margin:6px 0}
    .footer-grid a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9aac9b;font-size:12px}
    .footer-bottom a{text-decoration:underline}
    .empty-state{display:none;color:var(--muted);text-align:center;padding:25px}
    @media(max-width:900px){
      .container{width:min(100% - 32px,var(--max))}
      .navbar{height:67px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:67px;left:0;right:0;background:var(--ink);padding:10px 16px 18px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1)}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .hero-inner,.faq-layout{grid-template-columns:1fr;gap:32px}
      .hero-index{max-width:520px}
      .faq-intro{position:static}
    }
    @media(max-width:680px){
      .hero{padding:58px 0 52px}
      .hero p{font-size:16px}
      .section{padding:58px 0}
      .section-head{display:block}
      .section-head .text-link{display:inline-block;margin-top:15px}
      .search-panel{display:block;padding:19px}
      .search-panel .btn{width:100%;margin-top:14px}
      .faq-box{padding:4px 18px}
      .faq-item summary{font-size:15px}
      .cta-inner{display:block}
      .cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:480px){
      .brand{font-size:17px}
      .hero h1{font-size:35px}
      .index-number{font-size:58px}
      .notice{padding:17px}
    }

/* 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}