/* roulang page: index */
:root{
  --ink:#271d35;
  --ink-2:#3a2d4b;
  --coral:#f07b59;
  --coral-dark:#d96345;
  --teal:#35b6a5;
  --cream:#f7f5f1;
  --peach:#fff0e8;
  --mint:#e9f5f2;
  --white:#fff;
  --muted:#766f7d;
  --line:#e8e2dc;
  --shadow:0 16px 42px rgba(39,29,53,.09);
  --shadow-sm:0 8px 24px rgba(39,29,53,.07);
  --radius:18px;
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--cream);color:var(--ink);font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.site-header{height:82px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.navbar{height:82px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:12px;min-width:255px}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:4px 5px 0 var(--peach)}
.brand-text strong{display:block;font-size:18px;line-height:1.15;letter-spacing:.02em}
.brand-text small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:6px;flex:1}
.nav-links a{padding:8px 13px;border-radius:10px;color:#625a69;font-size:14px;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:var(--peach)}
.nav-links a.active{font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:12px;font-weight:700;font-size:14px;transition:transform .22s,box-shadow .22s,background .22s}
.btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(39,29,53,.14)}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-dark)}
.btn-dark{background:var(--ink);color:#fff}
.btn-outline{border:1px solid var(--line);background:#fff;color:var(--ink)}
.hero{padding:86px 0 70px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:var(--peach);right:-120px;top:-140px;z-index:-1}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:72px;align-items:center}
.eyebrow,.section-kicker{color:var(--coral-dark);font-weight:800;font-size:13px;letter-spacing:.12em}
.hero h1{font-size:clamp(38px,5vw, sixty);font-size:clamp(40px,5vw,60px);line-height:1.18;letter-spacing:-.04em;margin:16px 0 22px;max-width:650px}
.hero p{font-size:18px;color:var(--muted);max-width:610px}
.hero-buttons{display:flex;gap:12px;margin:30px 0 28px;flex-wrap:wrap}
.hero-tags{display:flex;gap:9px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;background:#fff;border:1px solid var(--line);padding:5px 11px;border-radius:99px;color:#655d6c;font-size:12px}
.stage-art{min-height:390px;border-radius:28px;background:var(--ink);position:relative;overflow:hidden;padding:30px;box-shadow:var(--shadow)}
.stage-art:before,.stage-art:after{content:"";position:absolute;border-radius:50%;filter:blur(3px)}
.stage-art:before{width:300px;height:300px;background:rgba(240,123,89,.75);top:-100px;right:-30px}
.stage-art:after{width:240px;height:240px;background:rgba(53,182,165,.6);bottom:-100px;left:-40px}
.stage-lines{position:absolute;inset:0;background:linear-gradient(115deg,transparent 48%,rgba(255,255,255,.12) 49%,transparent 50%),linear-gradient(70deg,transparent 48%,rgba(255,255,255,.08) 49%,transparent 50%);background-size:90px 90px}
.stage-card{position:absolute;z-index:1;left:34px;right:34px;bottom:30px;background:rgba(255,255,255,.94);border-radius:18px;padding:23px;box-shadow:0 18px 32px rgba(0,0,0,.16)}
.stage-card .mini-label{color:var(--teal);font-size:12px;font-weight:800}
.stage-card h3{font-size:25px;margin:7px 0;color:var(--ink)}
.stage-card p{font-size:14px;color:var(--muted)}
.section{padding:78px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
.section-head h2{font-size:34px;line-height:1.25;margin-top:8px;letter-spacing:-.03em}
.section-head p{color:var(--muted);max-width:530px}
.entry-band{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.entry{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 15px;min-height:126px;transition:.25s}
.entry:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:#f2c2b4}
.entry-icon{font-size:25px;margin-bottom:11px}
.entry strong{display:block;font-size:15px}
.entry span{font-size:12px;color:var(--muted)}
.feature{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
.feature-visual{min-height:350px;border-radius:var(--radius);background:linear-gradient(135deg,#342448,#594064);position:relative;overflow:hidden;padding:30px;color:#fff}
.feature-visual:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(255,255,255,.3);border-radius:50%;right:-50px;top:34px;box-shadow:0 0 0 35px rgba(255,255,255,.05),0 0 0 70px rgba(255,255,255,.04)}
.feature-visual h3{position:absolute;bottom:28px;font-size:30px;max-width:360px;line-height:1.3}
.feature-copy{background:var(--mint);border-radius:var(--radius);padding:34px}
.feature-copy h3{font-size:25px;margin:10px 0 14px}
.feature-copy p{color:var(--muted);margin-bottom:22px}
.feature-list{list-style:none;border-top:1px solid rgba(39,29,53,.12)}
.feature-list li{padding:13px 0;border-bottom:1px solid rgba(39,29,53,.12);display:flex;gap:12px;font-size:14px}
.feature-list b{color:var(--coral-dark)}
.content-strip{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
.content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:205px;display:flex;flex-direction:column}
.content-card.large{background:var(--peach);min-height:250px}
.content-card h3{font-size:20px;line-height:1.4;margin:12px 0 8px}
.content-card p{color:var(--muted);font-size:14px}
.card-foot{margin-top:auto;padding-top:18px;display:flex;justify-content:space-between;color:var(--coral-dark);font-size:13px;font-weight:700}
.info-layout{display:grid;grid-template-columns:1fr .65fr;gap:25px}
.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.news-item{display:grid;grid-template-columns:85px 1fr auto;gap:20px;align-items:center;padding:21px 24px;border-bottom:1px solid var(--line);transition:.2s}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:#fffaf7}
.news-date{font-size:13px;color:var(--coral-dark);font-weight:800}
.news-item h3{font-size:16px;margin-bottom:3px}
.news-item p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-arrow{font-size:20px;color:var(--teal)}
.empty-state{padding:42px 24px;text-align:center;color:var(--muted)}
.notice-card{background:var(--ink);border-radius:var(--radius);padding:28px;color:#fff}
.notice-card h3{font-size:23px;margin:10px 0 19px}
.notice-card p{color:#d9d1df;font-size:14px}
.notice-row{padding:14px 0;border-top:1px solid rgba(255,255,255,.15);font-size:14px}
.notice-row span{color:#f7aa91;margin-right:10px}
.activity{background:var(--peach);border-radius:24px;padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.activity h2{font-size:32px;margin:10px 0}
.activity p{color:var(--muted);max-width:540px}
.activity-meta{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}
.meta-box{background:#fff;border-radius:12px;padding:13px 16px;min-width:120px}
.meta-box small{display:block;color:var(--muted);font-size:12px}
.meta-box b{font-size:14px}
.activity-art{height:230px;border-radius:18px;background:var(--ink);position:relative;overflow:hidden}
.activity-art:before{content:"NG28";position:absolute;font-size:82px;font-weight:900;color:rgba(255,255,255,.09);right:15px;bottom:10px}
.activity-art:after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:var(--teal);top:25px;left:55px;box-shadow:90px 55px 0 var(--coral)}
.app-showcase{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}
.app-copy h2{font-size:34px;margin:9px 0 14px}
.app-copy p{color:var(--muted)}
.device-row{display:flex;gap:22px;align-items:end;justify-content:center}
.phone{width:168px;height:310px;border:7px solid var(--ink);border-radius:27px;background:#fff;box-shadow:var(--shadow);padding:31px 12px 12px;position:relative}
.phone:before{content:"";position:absolute;width:50px;height:5px;border-radius:5px;background:var(--ink);top:12px;left:50%;transform:translateX(-50%)}
.phone.tall{height:355px;background:var(--mint)}
.phone-top{height:30px;background:var(--peach);border-radius:8px;margin-bottom:12px}
.phone-line{height:9px;background:#eee7e1;border-radius:4px;margin:10px 0}
.phone-line.short{width:60%}
.phone-block{height:74px;background:var(--coral);opacity:.8;border-radius:11px;margin:15px 0}
.app-download{margin-top:24px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.qr{width:72px;height:72px;border:7px solid #fff;background:repeating-linear-gradient(45deg,var(--ink) 0 4px,#fff 4px 8px);outline:1px solid var(--line);border-radius:6px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:#fff;border-radius:16px;padding:22px;border:1px solid var(--line)}
.step-no{color:var(--coral);font-size:26px;font-weight:900}
.step h3{font-size:17px;margin:7px 0}
.step p{color:var(--muted);font-size:13px}
.recommend{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px}
.recommend .content-card:first-child{background:var(--mint)}
.rules{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px}
.rule-panel{background:#fff;border-radius:var(--radius);padding:28px;border:1px solid var(--line)}
.rule-panel h3{font-size:22px;margin-bottom:15px}
.rule-list{list-style:none}
.rule-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.rule-list li:before{content:"✓";color:var(--teal);font-weight:900;margin-right:10px}
.faq{display:flex;flex-direction:column;gap:9px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:#fff;padding:17px 19px;color:var(--ink);font-weight:700}
.faq-question span{font-size:22px;color:var(--coral);transition:.2s}
.faq-answer{display:none;padding:0 19px 17px;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span{transform:rotate(45deg)}
.feedback{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}
.feedback-copy{padding:24px 0}
.feedback-copy h2{font-size:30px;margin:10px 0}
.feedback-copy p{color:var(--muted)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700}
.field input,.field textarea{border:1px solid var(--line);border-radius:10px;padding:11px 13px;outline:0;background:#fff}
.field textarea{min-height:90px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(240,123,89,.14)}
.form-note{font-size:12px;color:var(--muted);margin-top:12px}
.cta-band{padding:38px 44px;background:var(--ink);border-radius:24px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:24px}
.cta-band h2{font-size:29px}
.cta-band p{color:#d8cfdf;margin-top:5px}
.site-footer{background:var(--ink);color:#fff;margin-top:78px;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:35px;padding-bottom:42px}
.footer-brand p{color:#c9bfce;font-size:13px;margin-top:14px;max-width:290px}
.footer-title{font-weight:800;margin-bottom:14px}
.footer-links{list-style:none;display:grid;gap:8px}
.footer-links a{color:#c9bfce;font-size:13px}
.footer-links a:hover{color:#f7aa91}
.compliance{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;color:#a99eae;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
@media(max-width:1024px){
  .navbar{gap:16px}.brand{min-width:220px}.nav-links a{padding:8px 8px}
  .hero-grid{gap:35px}.entry-band{grid-template-columns:repeat(3,1fr)}
  .content-strip,.recommend{grid-template-columns:1fr 1fr}.content-card.large{grid-column:1/-1}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,var(--max))}
  .site-header,.navbar{height:70px}.navbar{justify-content:space-between}
  .brand{min-width:0}.brand-text strong{font-size:15px}.brand-text small{display:none}
  .nav-actions .btn-outline{display:none}.menu-toggle{display:block}
  .nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;padding:12px 16px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}
  .nav-links.show{display:flex}.nav-links a{padding:12px 14px}
  .hero{padding:58px 0 48px}.hero-grid,.feature,.info-layout,.activity,.app-showcase,.rules,.feedback{grid-template-columns:1fr}
  .hero h1{font-size:38px}.hero p{font-size:16px}.stage-art{min-height:310px}
  .section{padding:55px 0}.section-head{display:block}.section-head h2{font-size:28px;margin-bottom:8px}
  .entry-band{grid-template-columns:repeat(2,1fr)}
  .content-strip,.recommend,.steps{grid-template-columns:1fr}.content-card.large{grid-column:auto}
  .news-item{grid-template-columns:65px 1fr;gap:12px;padding:17px}.news-arrow{display:none}
  .activity{padding:25px}.activity-art{height:180px}
  .device-row{transform:scale(.88);margin:-18px 0}.app-showcase{gap:10px}
  .feedback-copy{padding:0}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
  .cta-band{display:block;padding:28px}.cta-band .btn{margin-top:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:520px){
  .brand-mark{width:34px;height:34px}.hero h1{font-size:33px}.hero-buttons .btn{width:100%}
  .entry-band{gap:8px}.entry{padding:15px 12px;min-height:112px}
  .stage-card{left:18px;right:18px;bottom:18px;padding:18px}.stage-card h3{font-size:21px}
  .device-row{transform:scale(.72);margin:-42px -35px}.phone{width:155px}
  .footer-grid{grid-template-columns:1fr}.compliance{display:block}.compliance span{display:block;margin-top:5px}
}

/* roulang page: article */
:root{
      --ink:#271d35;
      --ink-2:#3a2d4b;
      --coral:#f07b59;
      --coral-dark:#d96345;
      --teal:#35b6a5;
      --cream:#f7f5f1;
      --peach:#fff0e8;
      --mint:#e9f5f2;
      --white:#fff;
      --muted:#766f7d;
      --line:#e8e2dc;
      --shadow:0 16px 42px rgba(39,29,53,.09);
      --shadow-sm:0 8px 24px rgba(39,29,53,.07);
      --radius:18px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--cream);color:var(--ink);font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(240,123,89,.45);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{height:82px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .navbar{height:82px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:12px;min-width:255px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:4px 5px 0 var(--peach)}
    .brand-text strong{display:block;font-size:18px;line-height:1.15;letter-spacing:.02em}
    .brand-text small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}
    .nav-links a{padding:8px 13px;border-radius:10px;color:#625a69;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);background:var(--peach)}
    .nav-links a.active{font-weight:700}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:8px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:12px;font-weight:700;font-size:14px;transition:transform .22s,box-shadow .22s,background .22s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(39,29,53,.14)}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:var(--ink-2);color:#fff}
    .btn-outline{border:1px solid var(--line);background:#fff;color:var(--ink)}
    .btn-outline:hover{background:var(--peach)}
    .article-hero{padding:48px 0 42px;background:#fff;border-bottom:1px solid var(--line)}
    .breadcrumbs{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-bottom:27px}
    .breadcrumbs a{transition:.2s}
    .breadcrumbs a:hover{color:var(--coral-dark)}
    .breadcrumbs .slash{color:#c5bcc4}
    .article-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:42px;align-items:end}
    .article-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .article-kicker:before{content:"";width:24px;height:3px;border-radius:5px;background:var(--coral)}
    .article-hero h1{font-size:clamp(32px,4.6vw,56px);line-height:1.25;letter-spacing:-.04em;margin:14px 0 18px;max-width:870px;overflow-wrap:anywhere}
    .article-summary{font-size:17px;color:var(--muted);max-width:790px;margin:0}
    .article-meta{background:var(--mint);border-radius:16px;padding:20px 22px;color:var(--ink-2);font-size:13px}
    .meta-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid rgba(39,29,53,.1)}
    .meta-row:last-child{border-bottom:0}
    .meta-row span:first-child{color:var(--muted)}
    .meta-row strong{font-weight:700;text-align:right;overflow-wrap:anywhere}
    .article-layout{display:grid;grid-template-columns:minmax(0,830px) 245px;gap:48px;align-items:start;padding:64px 0 82px}
    .article-content{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(25px,5vw,58px);box-shadow:var(--shadow-sm);min-width:0}
    .article-content h2{font-size:30px;line-height:1.35;margin:34px 0 15px;color:var(--ink)}
    .article-content h3{font-size:22px;line-height:1.45;margin:28px 0 12px}
    .article-content p{color:#51495a;margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:25px;color:#51495a;margin:14px 0 24px}
    .article-content li{margin:7px 0}
    .article-content blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--coral);background:var(--peach);border-radius:0 12px 12px 0;color:var(--ink-2)}
    .article-content img{border-radius:14px;margin:25px auto}
    .article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
    .article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line);text-align:left}
    .article-content th{background:var(--mint);color:var(--ink)}
    .article-content hr{border:0;border-top:1px solid var(--line);margin:35px 0}
    .article-aside{position:sticky;top:108px}
    .aside-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
    .aside-card h2{font-size:17px;margin:0 0 15px}
    .aside-card p{font-size:13px;color:var(--muted);margin:0 0 17px}
    .aside-links{list-style:none;padding:0;margin:0}
    .aside-links li{border-top:1px solid var(--line)}
    .aside-links a{display:block;padding:11px 0;font-size:13px;color:var(--muted);transition:.2s}
    .aside-links a:hover{color:var(--coral-dark);padding-left:4px}
    .notice-panel{display:flex;gap:14px;align-items:flex-start;background:var(--mint);border:1px solid rgba(53,182,165,.18);border-radius:15px;padding:20px 22px;margin-top:30px}
    .notice-icon{width:30px;height:30px;flex:none;border-radius:10px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800}
    .notice-panel strong{display:block;margin-bottom:3px}
    .notice-panel p{font-size:13px;margin:0;color:#5b6e6b}
    .article-bottom{padding:0 0 78px}
    .bottom-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .bottom-card{border-radius:var(--radius);padding:29px 31px;min-height:190px}
    .bottom-card.peach{background:var(--peach)}
    .bottom-card.dark{background:var(--ink);color:#fff}
    .bottom-card .label{font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--coral-dark)}
    .bottom-card.dark .label{color:#f5aa91}
    .bottom-card h2{font-size:23px;line-height:1.4;margin:9px 0 10px}
    .bottom-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
    .bottom-card.dark p{color:#d9d1df}
    .rules-section{padding:0 0 76px}
    .rules-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 32px}
    .rules-box h2{font-size:22px;margin:0 0 18px}
    .rules-items{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .rule-item{padding:17px;border-radius:13px;background:var(--cream);font-size:14px;color:var(--muted)}
    .rule-item b{display:block;color:var(--ink);margin-bottom:4px}
    .site-footer{background:var(--ink);color:#fff;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer-brand p{color:#bdb1c5;font-size:13px;max-width:270px;margin:17px 0 0}
    .footer-title{font-size:14px;font-weight:800;margin-bottom:14px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:8px 0}
    .footer-links a{color:#bdb1c5;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#fff;padding-left:3px}
    .compliance{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding-top:18px;color:#a99db1;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:16px}
      .brand{min-width:220px}
      .nav-links a{padding:8px 8px}
      .article-layout{grid-template-columns:minmax(0,1fr) 215px;gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .site-header,.navbar{height:72px}
      .brand{min-width:0;flex:1}
      .brand-text strong{font-size:16px}
      .brand-text small{font-size:10px}
      .nav-actions .btn-outline{display:none}
      .nav-actions .btn-primary{min-height:40px;padding:8px 13px;font-size:13px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 16px;box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 14px}
      .article-hero{padding:34px 0 32px}
      .article-hero-grid{grid-template-columns:1fr;gap:25px}
      .article-hero h1{font-size:35px}
      .article-layout{display:block;padding:36px 0 55px}
      .article-aside{position:static;margin-top:22px}
      .article-content{padding:25px 21px}
      .article-content h2{font-size:26px}
      .bottom-grid{grid-template-columns:1fr}
      .rules-items{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px 20px}
    }
    @media(max-width:520px){
      .brand-mark{width:34px;height:34px;font-size:16px}
      .brand{gap:9px}
      .brand-text small{display:none}
      .nav-actions .btn-primary{display:none}
      .article-hero h1{font-size:30px}
      .article-summary{font-size:15px}
      .breadcrumbs{font-size:12px;white-space:nowrap;overflow:hidden}
      .article-content{border-radius:14px}
      .article-content table{display:block;overflow-x:auto;white-space:nowrap}
      .bottom-card{padding:24px;min-height:0}
      .rules-box{padding:23px 19px}
      .footer-grid{grid-template-columns:1fr}
      .compliance{display:block}
      .compliance span{display:block;margin:7px 0}
    }

/* roulang page: category1 */
:root{
      --ink:#271d35;
      --ink-2:#3a2d4b;
      --coral:#f07b59;
      --coral-dark:#d96345;
      --teal:#35b6a5;
      --cream:#f7f5f1;
      --peach:#fff0e8;
      --mint:#e9f5f2;
      --white:#fff;
      --muted:#766f7d;
      --line:#e8e2dc;
      --shadow:0 16px 42px rgba(39,29,53,.09);
      --shadow-sm:0 8px 24px rgba(39,29,53,.07);
      --radius:18px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{height:82px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .navbar{height:82px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:255px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:4px 5px 0 var(--peach)}
    .brand-text strong{display:block;font-size:18px;line-height:1.15;letter-spacing:.02em}
    .brand-text small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}
    .nav-links a{padding:8px 13px;border-radius:10px;color:#625a69;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);background:var(--peach)}
    .nav-links a.active{font-weight:700}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:8px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:12px;font-weight:700;font-size:14px;transition:transform .22s,box-shadow .22s,background .22s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(39,29,53,.14)}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:var(--ink-2);color:#fff}
    .btn-outline{border:1px solid var(--line);background:#fff;color:var(--ink)}
    .btn-outline:hover{border-color:var(--coral);color:var(--coral-dark)}
    .hero{padding:76px 0 64px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;width:430px;height:430px;border-radius:50%;background:var(--peach);right:-150px;top:-160px;z-index:-1}
    .breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:28px}
    .breadcrumbs a:hover{color:var(--coral-dark)}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{color:var(--coral-dark);font-weight:800;font-size:13px;letter-spacing:.12em}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.18;letter-spacing:-.04em;margin:15px 0 20px}
    .hero p{font-size:18px;color:var(--muted);max-width:650px;margin:0}
    .hero-buttons{display:flex;gap:12px;margin:28px 0 24px;flex-wrap:wrap}
    .hero-tags{display:flex;gap:9px;flex-wrap:wrap}
    .tag,.badge{display:inline-flex;align-items:center;border-radius:99px;font-size:12px}
    .tag{background:#fff;border:1px solid var(--line);padding:5px 11px;color:#655d6c}
    .badge{padding:4px 10px;background:var(--mint);color:#238d81;font-weight:700}
    .stage-art{min-height:350px;border-radius:28px;background:var(--ink);position:relative;overflow:hidden;padding:30px;box-shadow:var(--shadow)}
    .stage-art:before,.stage-art:after{content:"";position:absolute;border-radius:50%;filter:blur(3px)}
    .stage-art:before{width:310px;height:310px;background:rgba(240,123,89,.76);top:-110px;right:-45px}
    .stage-art:after{width:250px;height:250px;background:rgba(53,182,165,.62);bottom:-120px;left:-45px}
    .stage-lines{position:absolute;inset:0;background:linear-gradient(115deg,transparent 48%,rgba(255,255,255,.12) 49%,transparent 50%),linear-gradient(70deg,transparent 48%,rgba(255,255,255,.08) 49%,transparent 50%);background-size:90px 90px}
    .stage-copy{position:absolute;z-index:1;left:32px;top:34px;color:#fff}
    .stage-copy span{font-size:12px;letter-spacing:.16em;color:#ffd0c2}
    .stage-copy h2{font-size:35px;line-height:1.25;margin:12px 0 0}
    .stage-card{position:absolute;z-index:1;left:32px;right:32px;bottom:28px;background:rgba(255,255,255,.95);border-radius:18px;padding:21px;box-shadow:0 18px 32px rgba(0,0,0,.16)}
    .stage-card .mini-label{color:var(--teal);font-size:12px;font-weight:800}
    .stage-card h3{font-size:22px;margin:6px 0;color:var(--ink)}
    .stage-card p{font-size:14px;color:var(--muted);margin:0}
    .section{padding:76px 0}
    .section-soft{background:var(--peach)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section-head h2{font-size:33px;line-height:1.25;margin:8px 0 0;letter-spacing:-.03em}
    .section-head p{color:var(--muted);max-width:540px;margin:0}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:24px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .news-item{display:grid;grid-template-columns:82px 1fr auto;gap:20px;align-items:center;padding:21px 24px;border-bottom:1px solid var(--line);transition:.2s}
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#fffaf7}
    .news-date{color:var(--coral-dark);font-weight:800;font-size:13px}
    .news-item h3{font-size:17px;line-height:1.4;margin:0 0 4px}
    .news-item p{font-size:13px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .news-arrow{font-size:22px;color:var(--teal)}
    .empty-state{padding:54px 24px;text-align:center;color:var(--muted)}
    .empty-state strong{display:block;color:var(--ink);font-size:18px;margin-bottom:7px}
    .notice-card{background:var(--ink);border-radius:var(--radius);padding:28px;color:#fff;min-height:100%}
    .notice-card h3{font-size:23px;line-height:1.35;margin:12px 0 16px}
    .notice-card p{color:#d9d1df;font-size:14px;margin:0 0 20px}
    .topic-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
    .topic-bar a{padding:10px 17px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted);font-size:14px;transition:.2s}
    .topic-bar a:hover,.topic-bar a.current{background:var(--ink);border-color:var(--ink);color:#fff}
    .feature{display:grid;grid-template-columns:1.08fr .92fr;gap:24px}
    .feature-visual{min-height:320px;border-radius:var(--radius);background:linear-gradient(135deg,#342448,#594064);position:relative;overflow:hidden;padding:30px;color:#fff}
    .feature-visual:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(255,255,255,.3);border-radius:50%;right:-50px;top:34px;box-shadow:0 0 0 35px rgba(255,255,255,.05),0 0 0 70px rgba(255,255,255,.04)}
    .feature-visual h3{position:absolute;bottom:28px;font-size:29px;max-width:370px;line-height:1.3;margin:0}
    .feature-copy{background:var(--mint);border-radius:var(--radius);padding:34px}
    .feature-copy h3{font-size:25px;margin:10px 0 14px}
    .feature-copy p{color:var(--muted);margin:0 0 20px}
    .feature-list{list-style:none;padding:0;margin:0;border-top:1px solid rgba(39,29,53,.12)}
    .feature-list li{padding:12px 0;border-bottom:1px solid rgba(39,29,53,.12);display:flex;gap:12px;font-size:14px}
    .feature-list b{color:var(--coral-dark)}
    .app-panel{display:grid;grid-template-columns:1fr .9fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--shadow-sm)}
    .app-panel h2{font-size:31px;line-height:1.3;margin:10px 0 12px}
    .app-panel p{color:var(--muted);margin:0 0 20px}
    .app-points{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
    .app-point{padding:9px 13px;background:var(--mint);border-radius:10px;font-size:13px;color:#287e75}
    .phone-row{display:flex;justify-content:center;align-items:end;gap:14px}
    .phone{width:130px;height:245px;border:7px solid var(--ink);border-radius:24px;background:linear-gradient(160deg,var(--peach),#fff);padding:15px 10px;box-shadow:var(--shadow-sm)}
    .phone.small{width:102px;height:190px;border-color:var(--teal);opacity:.88}
    .phone-bar{height:9px;width:45%;background:var(--coral);border-radius:20px;margin-bottom:22px}
    .phone-line{height:10px;background:#eaded9;border-radius:8px;margin:12px 0}
    .phone-block{height:66px;background:var(--mint);border-radius:12px;margin:14px 0}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
    .step-num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--coral);color:#fff;font-weight:800;margin-bottom:16px}
    .step h3{font-size:19px;margin:0 0 8px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .rules-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px}
    .rule-card{background:var(--ink);border-radius:var(--radius);padding:30px;color:#fff}
    .rule-card h2{font-size:27px;margin:8px 0 16px}
    .rule-card p{color:#d9d1df;font-size:14px}
    .rule-list{list-style:none;padding:0;margin:22px 0 0}
    .rule-list li{padding:11px 0;border-bottom:1px solid rgba(255,255,255,.15);font-size:14px}
    .faq{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .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 span:last-child{color:var(--coral);font-size:22px;transition:.2s}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--ink);color:#fff;border-radius:24px;padding:40px 44px;display:flex;justify-content:space-between;align-items:center;gap:24px}
    .cta h2{font-size:29px;line-height:1.3;margin:0 0 8px}
    .cta p{color:#d9d1df;margin:0;font-size:14px}
    .site-footer{background:var(--ink);color:#fff;padding:55px 0 24px;margin-top:76px}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:38px}
    .footer-brand p{color:#bdb1c5;font-size:14px;max-width:270px;margin-top:18px}
    .footer-title{font-size:14px;font-weight:800;margin-bottom:14px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:8px 0}
    .footer-links a{color:#bdb1c5;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#fff}
    .compliance{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:20px;color:#bdb1c5;font-size:12px}
    :focus-visible{outline:3px solid rgba(240,123,89,.45);outline-offset:3px}
    @media(max-width:1024px){
      .navbar{gap:15px}.brand{min-width:220px}.nav-links a{padding:8px 8px}
      .hero-grid,.feature,.rules-grid{grid-template-columns:1fr 1fr;gap:28px}
      .news-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.4fr repeat(3,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .site-header,.navbar{height:72px}.navbar{position:relative}
      .brand{min-width:0;flex:1}.brand-text strong{font-size:16px}.brand-text small{font-size:10px}
      .nav-actions .btn{display:none}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:72px;left:-16px;right:-16px;background:#fff;border-bottom:1px solid var(--line);padding:12px 16px;box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
      .hero{padding:48px 0 42px}.hero-grid,.feature,.app-panel,.rules-grid{grid-template-columns:1fr}
      h1{font-size:38px}.hero p{font-size:16px}.stage-art{min-height:310px}
      .section{padding:54px 0}.section-head{display:block}.section-head h2{font-size:28px;margin-bottom:10px}
      .news-item{grid-template-columns:68px 1fr;gap:12px;padding:18px}.news-arrow{display:none}.news-item p{white-space:normal}
      .steps{grid-template-columns:1fr}.app-panel{padding:24px}.app-panel h2{font-size:27px}
      .cta{display:block;padding:30px 25px}.cta .btn{margin-top:22px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .hero-buttons .btn{width:100%}.stage-copy h2{font-size:29px}.phone-row{gap:7px}.phone{width:112px;height:220px}.phone.small{width:86px;height:170px}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.compliance{display:block}.compliance span{display:block;margin:5px 0}
    }

/* roulang page: category2 */
:root{
      --ink:#271d35;--ink-2:#3a2d4b;--coral:#f07b59;--coral-dark:#d96345;
      --teal:#35b6a5;--cream:#f7f5f1;--peach:#fff0e8;--mint:#e9f5f2;
      --white:#fff;--muted:#766f7d;--line:#e8e2dc;
      --shadow:0 16px 42px rgba(39,29,53,.09);--shadow-sm:0 8px 24px rgba(39,29,53,.07);
      --radius:18px;--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{height:82px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .navbar{height:82px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:255px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:4px 5px 0 var(--peach)}
    .brand-text strong{display:block;font-size:18px;line-height:1.15;letter-spacing:.02em}
    .brand-text small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}
    .nav-links a{padding:8px 13px;border-radius:10px;color:#625a69;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);background:var(--peach)}
    .nav-links a.active{font-weight:700}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:12px;font-weight:700;font-size:14px;transition:transform .22s,box-shadow .22s,background .22s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(39,29,53,.14)}
    .btn-primary{background:var(--coral);color:#fff}.btn-primary:hover{background:var(--coral-dark)}
    .btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:var(--ink-2)}
    .btn-outline{border:1px solid var(--line);background:#fff;color:var(--ink)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:8px}
    .page-hero{padding:72px 0 62px;background:linear-gradient(120deg,var(--peach),#fffaf7 58%,var(--mint));border-bottom:1px solid var(--line)}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:28px}.breadcrumb span{margin:0 8px;color:var(--coral)}
    .hero-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:end}
    .eyebrow,.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.12em}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.18;letter-spacing:-.045em;margin:14px 0 18px}
    .page-hero p{max-width:700px;color:var(--muted);font-size:18px;margin:0}
    .hero-note{background:#fff;border:1px solid rgba(240,123,89,.22);border-radius:20px;padding:25px;box-shadow:var(--shadow-sm)}
    .hero-note strong{display:block;font-size:24px;margin-bottom:8px}.hero-note p{font-size:14px}
    .section{padding:74px 0}.section.alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
    h2{font-size:34px;line-height:1.25;letter-spacing:-.03em;margin:7px 0 0}
    .section-head p{color:var(--muted);max-width:550px;margin:0}
    .filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow-sm)}
    .filter-bar a{padding:9px 17px;border-radius:10px;color:var(--muted);font-size:14px;transition:.2s}
    .filter-bar a:hover,.filter-bar a.active{background:var(--ink);color:#fff}
    .news-layout{display:grid;grid-template-columns:1fr 290px;gap:24px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .news-item{display:grid;grid-template-columns:86px 1fr 30px;gap:20px;align-items:center;padding:23px 25px;border-bottom:1px solid var(--line);transition:.2s}
    .news-item:last-child{border-bottom:0}.news-item:hover{background:#fffaf7}
    .news-date{color:var(--coral-dark);font-size:13px;font-weight:800}.news-date small{display:block;color:var(--muted);font-weight:500}
    .news-item h3{font-size:18px;line-height:1.4;margin:0 0 5px}.news-item p{font-size:14px;color:var(--muted);margin:0}
    .news-arrow{font-size:22px;color:var(--teal)}.tag{display:inline-flex;align-items:center;background:#fff;border:1px solid var(--line);padding:4px 10px;border-radius:99px;color:#655d6c;font-size:12px}
    .news-item .tag{background:var(--mint);border:0;color:#237e73;margin-bottom:8px}
    .side-panel{background:var(--ink);border-radius:var(--radius);padding:28px;color:#fff;min-height:100%}
    .side-panel h3{font-size:23px;line-height:1.35;margin:12px 0 15px}.side-panel p{color:#d9d1df;font-size:14px}
    .side-list{list-style:none;padding:0;margin:22px 0 0}.side-list li{padding:13px 0;border-top:1px solid rgba(255,255,255,.15);font-size:14px}
    .side-list b{color:var(--coral);margin-right:8px}
    .feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .feature-card{padding:32px;border-radius:var(--radius);background:var(--peach);min-height:245px}
    .feature-card.dark{background:var(--ink);color:#fff}.feature-card h3{font-size:25px;margin:14px 0 10px}.feature-card p{color:var(--muted);font-size:14px}.feature-card.dark p{color:#d9d1df}
    .feature-card .arrow{display:inline-block;margin-top:18px;color:var(--coral-dark);font-weight:700}.feature-card.dark .arrow{color:#ffab91}
    .app-strip{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;background:var(--mint);border-radius:24px;padding:35px 40px}
    .app-strip h2{font-size:30px}.app-strip p{color:var(--muted)}.app-device{height:190px;position:relative;display:flex;justify-content:center;align-items:center}
    .phone{width:118px;height:188px;border:7px solid var(--ink);border-radius:25px;background:#fff;box-shadow:15px 15px 0 rgba(39,29,53,.12);padding:18px 10px}
    .phone:before{content:"";display:block;width:40px;height:5px;background:var(--line);border-radius:4px;margin:0 auto 20px}
    .phone-line{height:10px;border-radius:6px;background:var(--peach);margin:10px 0}.phone-line.short{width:62%;background:var(--mint)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px}.step-num{color:var(--coral);font-size:28px;font-weight:800}.step h3{font-size:18px;margin:8px 0}.step p{color:var(--muted);font-size:14px;margin:0}
    .faq-list{max-width:850px;margin:auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:11px;overflow:hidden}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;background:#fff;color:var(--ink);text-align:left;padding:19px 22px;font-weight:700}.faq-question span{color:var(--coral);font-size:22px;transition:.2s}.faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
    .cta{padding:60px 0}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:25px;background:var(--ink);border-radius:24px;padding:36px 42px;color:#fff}.cta-box h2{font-size:29px}.cta-box p{color:#d9d1df;margin:8px 0 0}
    .site-footer{background:var(--ink);color:#fff;padding:54px 0 22px}.footer-grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:35px}.footer-brand p{color:#bdb1c5;font-size:14px;max-width:280px;margin-top:18px}.footer-title{font-weight:800;margin-bottom:15px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:8px 0}.footer-links a{color:#bdb1c5;font-size:14px;transition:.2s}.footer-links a:hover{color:#fff}.compliance{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#bdb1c5;font-size:12px}
    :focus-visible{outline:3px solid rgba(240,123,89,.5);outline-offset:3px}
    @media(max-width:1024px){.navbar{gap:14px}.brand{min-width:220px}.nav-links a{padding:8px 8px}.hero-layout{gap:35px}.news-layout{grid-template-columns:1fr 250px}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.site-header,.navbar{height:72px}.brand{min-width:0;flex:1}.brand-text strong{font-size:16px}.brand-text small{font-size:10px}.nav-actions .btn{display:none}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:16px;right:16px;top:70px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px 14px}.page-hero{padding:48px 0}.hero-layout,.news-layout,.feature-grid,.app-strip{grid-template-columns:1fr}.hero-note{margin-top:10px}.section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:12px}h2{font-size:29px}.news-item{grid-template-columns:67px 1fr 20px;gap:12px;padding:19px 16px}.news-item h3{font-size:16px}.news-item p{font-size:13px}.steps{grid-template-columns:repeat(2,1fr)}.cta-box{display:block;padding:30px 25px}.cta-box .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
    @media(max-width:520px){h1{font-size:36px}.page-hero p{font-size:16px}.filter-bar{gap:5px}.filter-bar a{font-size:13px;padding:8px 11px}.steps{grid-template-columns:1fr}.feature-card{padding:25px}.app-strip{padding:28px 22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.compliance{display:block}.compliance span{display:block;margin:5px 0}}

/* roulang page: category3 */
:root{
      --ink:#271d35;--ink-2:#3a2d4b;--coral:#f07b59;--coral-dark:#d96345;
      --teal:#35b6a5;--cream:#f7f5f1;--peach:#fff0e8;--mint:#e9f5f2;
      --white:#fff;--muted:#766f7d;--line:#e8e2dc;--shadow:0 16px 42px rgba(39,29,53,.09);
      --shadow-sm:0 8px 24px rgba(39,29,53,.07);--radius:18px;--max:1200px
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--cream);color:var(--ink);font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:3px solid rgba(240,123,89,.42);outline-offset:3px}
    img{display:block;max-width:100%}button,input,textarea{font:inherit}button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{height:82px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .navbar{height:82px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:255px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:4px 5px 0 var(--peach)}
    .brand-text strong{display:block;font-size:18px;line-height:1.15;letter-spacing:.02em}.brand-text small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}.nav-links a{padding:8px 13px;border-radius:10px;color:#625a69;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);background:var(--peach)}.nav-links a.active{font-weight:700}
    .nav-actions{display:flex;align-items:center;gap:10px}.menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:8px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:12px;font-weight:700;font-size:14px;transition:transform .22s,box-shadow .22s,background .22s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(39,29,53,.14)}.btn-primary{background:var(--coral);color:#fff}.btn-primary:hover{background:var(--coral-dark)}
    .btn-dark{background:var(--ink);color:#fff}.btn-outline{border:1px solid var(--line);background:#fff;color:var(--ink)}
    .hero{padding:70px 0 58px;background:var(--cream);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-150px;top:-190px;background:var(--peach);z-index:0}
    .hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;position:relative;z-index:1}
    .crumb{font-size:13px;color:var(--muted);margin-bottom:24px}.crumb a:hover{color:var(--coral-dark)}
    .eyebrow,.section-kicker{color:var(--coral-dark);font-weight:800;font-size:13px;letter-spacing:.12em}
    h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(38px,5vw,58px);line-height:1.2;letter-spacing:-.04em;margin:15px 0 20px}.hero p{font-size:18px;color:var(--muted);max-width:580px}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-note{font-size:13px;color:var(--muted);margin-top:17px}
    .device-scene{height:390px;background:var(--ink);border-radius:30px;position:relative;overflow:hidden;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center}
    .device-scene:before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(240,123,89,.72);right:-90px;top:-110px}
    .device-scene:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:rgba(53,182,165,.62);left:-80px;bottom:-120px}
    .phone{width:190px;height:330px;background:#fff;border:8px solid #171020;border-radius:28px;position:relative;z-index:1;box-shadow:0 20px 35px rgba(0,0,0,.28);padding:28px 15px 15px}
    .phone-notch{position:absolute;width:70px;height:15px;background:#171020;border-radius:0 0 10px 10px;top:-1px;left:52px}.phone-top{font-weight:800;font-size:15px;margin-bottom:17px}.phone-line{height:58px;border-radius:12px;background:var(--peach);margin-bottom:10px;padding:10px;font-size:11px;color:var(--ink-2)}.phone-line.green{background:var(--mint)}
    .section{padding:76px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:28px}.section-head h2{font-size:32px;line-height:1.3;margin:8px 0 0;letter-spacing:-.03em}.section-head p{color:var(--muted);max-width:510px;margin:0}
    .download-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:28px}.download-copy,.qr-panel{border-radius:var(--radius);padding:34px}.download-copy{background:var(--ink);color:#fff}.download-copy h2{font-size:30px;margin:13px 0}.download-copy p{color:#d9d1df}.download-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:25px 0}.download-points div{border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:12px;color:#eee5f0;font-size:14px}.download-points b{display:block;color:var(--coral);font-size:12px;margin-bottom:3px}
    .qr-panel{background:var(--peach);display:flex;align-items:center;gap:28px}.qr-code{width:142px;height:142px;flex:none;background-color:#fff;background-image:linear-gradient(90deg,var(--ink) 10%,transparent 10%,transparent 22%,var(--ink) 22%,var(--ink) 35%,transparent 35%,transparent 47%,var(--ink) 47%,var(--ink) 62%,transparent 62%,transparent 74%,var(--ink) 74%),linear-gradient(var(--ink) 10%,transparent 10%,transparent 25%,var(--ink) 25%,var(--ink) 38%,transparent 38%,transparent 54%,var(--ink) 54%,var(--ink) 69%,transparent 69%,transparent 82%,var(--ink) 82%);border:10px solid #fff;box-shadow:var(--shadow-sm)}
    .qr-panel h3{font-size:21px;margin:0 0 9px}.qr-panel p{font-size:14px;color:var(--muted);margin-bottom:16px}.tag{display:inline-flex;align-items:center;background:#fff;border:1px solid var(--line);padding:5px 11px;border-radius:99px;color:#655d6c;font-size:12px}
    .feature-rail{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:18px;align-items:stretch}.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:210px}.feature-card.tall{background:var(--mint);transform:translateY(22px)}.feature-icon{width:42px;height:42px;border-radius:13px;background:var(--peach);display:grid;place-items:center;color:var(--coral-dark);font-weight:800}.feature-card h3{font-size:20px;margin:18px 0 8px}.feature-card p{font-size:14px;color:var(--muted);margin:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.step{padding:25px 22px 5px 0;position:relative}.step:not(:last-child){border-right:1px solid var(--line);padding-right:25px;margin-right:25px}.step-num{color:var(--coral);font-size:28px;font-weight:800;line-height:1}.step h3{font-size:18px;margin:15px 0 7px}.step p{font-size:14px;color:var(--muted)}
    .compat{display:grid;grid-template-columns:1fr 1fr;gap:24px}.compat-box{border-radius:var(--radius);padding:28px;background:var(--mint)}.compat-box:nth-child(2){background:var(--peach)}.compat-box h3{font-size:21px;margin-bottom:12px}.compat-box ul{list-style:none;padding:0;margin:0}.compat-box li{padding:10px 0;border-bottom:1px solid rgba(39,29,53,.1);font-size:14px}.compat-box li:last-child{border:0}.compat-box li:before{content:"✓";color:var(--teal);font-weight:800;margin-right:9px}
    .security{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}.security-intro{background:var(--ink);border-radius:var(--radius);color:#fff;padding:32px}.security-intro h2{font-size:28px;margin:12px 0}.security-intro p{color:#d9d1df;font-size:14px}.security-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.security-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.security-item h3{font-size:17px;margin-bottom:6px}.security-item p{color:var(--muted);font-size:13px;margin:0}
    .faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;max-width:900px}.faq-item{border-bottom:1px solid var(--line)}.faq-item:last-child{border:0}.faq-question{width:100%;background:#fff;padding:20px 24px;text-align:left;display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-weight:700}.faq-question span:last-child{color:var(--coral);font-size:22px;transition:.2s}.faq-answer{display:none;padding:0 24px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.news-item{display:grid;grid-template-columns:88px 1fr auto;gap:20px;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line);transition:.2s}.news-item:last-child{border:0}.news-item:hover{background:#fffaf7}.news-date{color:var(--coral-dark);font-size:13px;font-weight:700}.news-item h3{font-size:17px;margin:0 0 4px}.news-item p{font-size:13px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.news-arrow{color:var(--teal);font-size:22px}.empty-state{padding:42px;text-align:center;color:var(--muted)}
    .cta{padding:58px 0}.cta-box{background:var(--ink);border-radius:24px;padding:36px 42px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta-box h2{font-size:30px;margin:0 0 8px}.cta-box p{color:#d9d1df;margin:0}
    .site-footer{background:var(--ink);color:#fff;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:38px}.footer-brand p{color:#bdb1c5;font-size:14px;max-width:280px;margin-top:18px}.footer-title{font-weight:800;margin-bottom:13px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:7px 0}.footer-links a{color:#bdb1c5;font-size:14px;transition:.2s}.footer-links a:hover{color:var(--coral)}.compliance{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#bdb1c5;font-size:12px}
    @media(max-width:1024px){.brand{min-width:220px}.navbar{gap:14px}.nav-links a{padding:8px 8px}.hero-grid{gap:35px}.feature-rail{grid-template-columns:1fr 1fr}.feature-card.tall{transform:none}.feature-card:last-child{grid-column:span 2}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.site-header,.navbar{height:70px}.navbar{position:relative}.brand{min-width:0;flex:1}.brand-text strong{font-size:16px}.brand-text small{font-size:10px}.nav-actions .btn{display:none}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:70px;left:-16px;right:-16px;background:#fff;border-bottom:1px solid var(--line);padding:12px 16px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow-sm)}.nav-links.show{display:flex}.nav-links a{padding:12px 14px}.hero{padding:44px 0}.hero-grid,.download-panel,.security,.compat{grid-template-columns:1fr}.hero h1{font-size:38px}.device-scene{height:340px}.section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:12px}.steps{grid-template-columns:1fr 1fr;gap:0}.step{padding:22px 15px 10px 0}.step:not(:last-child){margin-right:15px;padding-right:15px}.download-points,.security-list{grid-template-columns:1fr}.qr-panel{align-items:flex-start}.cta-box{display:block;padding:30px}.cta-box .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:span 2}}
    @media(max-width:520px){.hero h1{font-size:33px}.hero p{font-size:16px}.hero-buttons .btn{width:100%}.feature-rail{grid-template-columns:1fr}.feature-card:last-child{grid-column:auto}.steps{grid-template-columns:1fr}.step:not(:last-child){border-right:0;border-bottom:1px solid var(--line);margin:0;padding-right:0}.qr-panel{display:block}.qr-code{margin-bottom:20px}.news-item{grid-template-columns:1fr auto;gap:5px 12px;padding:17px}.news-date{grid-column:1 / -1}.news-item p{white-space:normal}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.compliance{display:block}.compliance span{display:block;margin-bottom:6px}}