/* roulang page: index */
:root{
  --plum:#32142f;
  --plum-2:#4c2147;
  --coral:#f06d58;
  --coral-dark:#d95546;
  --lime:#b7d96b;
  --cream:#fbf7f1;
  --lavender:#f1ebf2;
  --paper:#fffdf9;
  --ink:#2b2030;
  --muted:#766b78;
  --line:#e7dfe6;
  --shadow:0 18px 50px rgba(54,26,49,.10);
  --soft-shadow:0 8px 24px rgba(54,26,49,.08);
  --radius:18px;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",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:var(--coral-dark)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(240,109,88,.35);outline-offset:3px}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,247,241,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--plum);letter-spacing:-.5px;white-space:nowrap}
.logo-mark{width:36px;height:36px;border:2px solid var(--coral);border-radius:50%;position:relative}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;background:var(--plum)}
.logo-mark:before{width:8px;height:8px;left:7px;top:12px}
.logo-mark:after{width:8px;height:8px;right:7px;top:12px}
.logo-mark span{position:absolute;left:12px;top:16px;width:12px;height:2px;background:var(--coral)}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:9px 14px;border-radius:10px;color:var(--muted);font-size:14px}
.nav-links a:hover,.nav-links a.active{color:var(--plum);background:#f2e6ed}
.nav-action{background:var(--coral);color:#fff!important;padding:11px 18px!important;border-radius:10px!important}
.nav-action:hover{background:var(--coral-dark)!important;transform:translateY(-2px)}
.menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px}
.hero{padding:72px 0 64px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:70px;align-items:center}
.eyebrow,.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:2px;text-transform:uppercase}
.hero h1{font-size:clamp(40px,5.2vw,68px);line-height:1.12;letter-spacing:-2px;color:var(--plum);margin:16px 0 22px}
.hero h1 em{font-style:normal;color:var(--coral)}
.hero-copy{font-size:18px;color:var(--muted);max-width:600px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:31px 0 30px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:11px;font-weight:700;border:1px solid transparent}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,109,88,.2)}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px)}
.btn-secondary{background:var(--plum);color:#fff}
.btn-secondary:hover{background:var(--plum-2);color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:var(--line);color:var(--plum);background:transparent}
.btn-outline:hover{border-color:var(--coral);background:#fff3ef;color:var(--coral-dark)}
.status-row{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:13px}
.status-row span{display:flex;align-items:center;gap:7px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block}
.hero-visual{min-height:410px;position:relative;background:var(--plum);border-radius:28px;padding:30px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.hero-visual:before{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:-80px;top:-70px}
.phone{width:205px;height:365px;background:#fff;border:8px solid #1f1220;border-radius:31px;box-shadow:0 20px 34px rgba(0,0,0,.28);padding:20px 14px;position:relative;z-index:2}
.phone:before{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);width:58px;height:5px;border-radius:4px;background:#29172a}
.phone-head{font-weight:800;color:var(--plum);font-size:14px;margin:10px 0 18px}
.phone-banner{height:82px;border-radius:12px;background:#f8d3c7;padding:12px;color:var(--plum);font-size:12px;font-weight:700}
.phone-line{height:9px;background:#eee5ed;border-radius:8px;margin-top:13px}
.phone-line.short{width:65%}
.phone-list{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}
.phone-tile{height:61px;border-radius:10px;background:#f3edf3;padding:10px;font-size:11px;color:var(--muted)}
.phone-tile strong{display:block;color:var(--plum);font-size:13px}
.visual-note{position:absolute;background:var(--paper);padding:14px 16px;border-radius:13px;box-shadow:var(--soft-shadow);font-size:13px;z-index:3}
.note-top{top:45px;left:25px}.note-bottom{right:22px;bottom:42px}
.note-top b,.note-bottom b{display:block;color:var(--plum);font-size:18px}
.section{padding:82px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
.section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.2;color:var(--plum);margin-top:8px}
.section-head p{color:var(--muted);max-width:520px}
.quick-bar{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.quick-item{background:var(--paper);padding:23px 22px;display:flex;gap:14px;align-items:flex-start}
.quick-item:hover{background:#fff4ef}
.icon{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:#f6ddd8;color:var(--coral-dark);display:grid;place-items:center;font-weight:800}
.quick-item h3{font-size:16px;color:var(--plum);margin-bottom:3px}
.quick-item p{font-size:13px;color:var(--muted)}
.timeline{border-left:2px solid #e8c9c2;margin-left:12px;padding-left:30px}
.timeline-item{position:relative;padding:0 0 27px;display:grid;grid-template-columns:110px 1fr;gap:20px}
.timeline-item:before{content:"";position:absolute;left:-39px;top:7px;width:14px;height:14px;border-radius:50%;background:var(--coral);border:4px solid var(--cream)}
.timeline time{font-size:13px;color:var(--coral-dark);font-weight:700}
.timeline-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:19px 22px}
.badge{display:inline-flex;padding:4px 9px;border-radius:20px;background:#edf4d8;color:#60752a;font-size:12px;font-weight:700;margin-bottom:7px}
.timeline-card h3{font-size:19px;color:var(--plum);margin-bottom:5px}
.timeline-card p{font-size:14px;color:var(--muted)}
.split-feature{display:grid;grid-template-columns:5fr 7fr;gap:30px;align-items:stretch}
.feature-copy{background:var(--plum);color:#fff;border-radius:22px;padding:40px}
.feature-copy h2{font-size:34px;line-height:1.25;margin:13px 0 18px}
.feature-copy p{color:#decddd}
.feature-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}
.feature-tags span{padding:7px 11px;border:1px solid rgba(255,255,255,.2);border-radius:20px;font-size:13px;color:#f4dce6}
.feature-panel{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.topic-card{background:var(--paper);padding:27px;border:1px solid var(--line);border-radius:18px;min-height:180px}
.topic-card:nth-child(2){background:#f7e8e1;transform:translateY(22px)}
.topic-card h3{color:var(--plum);font-size:20px;margin:15px 0 7px}
.topic-card p{font-size:14px;color:var(--muted)}
.topic-symbol{font-size:25px;color:var(--coral)}
.news-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:28px}
.news-list{background:var(--paper);border-radius:18px;border:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:0}
.news-date{font-size:13px;color:var(--coral-dark);font-weight:700}
.news-item h3{font-size:17px;color:var(--plum);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-item p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.arrow{font-size:22px;color:var(--coral)}
.news-highlight{border-radius:18px;background:#eadfe9;padding:31px;display:flex;flex-direction:column;justify-content:space-between}
.news-highlight h3{font-size:26px;color:var(--plum);line-height:1.3;margin:14px 0}
.news-highlight p{color:var(--muted);font-size:14px}
.app-section{background:#f1e9ee}
.app-layout{display:grid;grid-template-columns:1fr 1fr 1fr;gap:34px;align-items:center}
.app-copy h2{font-size:38px;line-height:1.25;color:var(--plum);margin:10px 0 15px}
.app-copy p{color:var(--muted)}
.device-stage{height:290px;display:flex;align-items:center;justify-content:center;position:relative}
.device-stage .phone{transform:rotate(-6deg) scale(.72);margin-right:-45px}
.device-small{width:150px;height:245px;border:7px solid #332336;background:#fff;border-radius:24px;transform:rotate(8deg);box-shadow:var(--soft-shadow);padding:15px}
.download-box{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px}
.download-box h3{color:var(--plum);font-size:20px;margin-bottom:12px}
.platforms{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}
.platforms span,.tag{border:1px solid var(--line);padding:5px 10px;border-radius:20px;font-size:12px;color:var(--muted)}
.download-box small{display:block;color:var(--muted);margin-top:13px;line-height:1.6}
.adapt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.adapt-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:25px}
.adapt-card h3{color:var(--plum);margin:13px 0 6px}
.adapt-card p{font-size:14px;color:var(--muted)}
.editorial{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:18px}
.editor-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden;min-height:220px;padding:25px;display:flex;flex-direction:column;justify-content:end}
.editor-card.large{background:var(--plum);color:#fff;min-height:310px}
.editor-card.large h3{color:#fff;font-size:29px}
.editor-card h3{color:var(--plum);font-size:19px;line-height:1.35;margin:10px 0}
.editor-card p{color:var(--muted);font-size:13px}
.editor-card.large p{color:#dfcfe0}
.editor-label{font-size:12px;color:var(--coral-dark);font-weight:700}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:27px 22px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0}
.step-number{color:var(--coral);font-size:25px;font-weight:800}
.step h3{color:var(--plum);font-size:17px;margin:5px 0}
.step p{font-size:13px;color:var(--muted)}
.update-band{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.update-band h3{color:var(--plum);font-size:21px}
.update-band p{color:var(--muted);font-size:14px}
.security{background:var(--plum);color:#fff;padding:37px 0}
.security-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:25px;align-items:center}
.security h2{font-size:25px}
.security p,.security a{color:#dfcfe0;font-size:13px}
.security-item{border-left:1px solid rgba(255,255,255,.2);padding-left:22px}
.security-item strong{display:block;color:#fff;margin-bottom:4px}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px}
.faq-intro h2{font-size:35px;color:var(--plum);line-height:1.25;margin:10px 0}
.faq-intro p{color:var(--muted)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{padding:17px 0;cursor:pointer;list-style:none;font-weight:700;color:var(--plum);display:flex;justify-content:space-between}
.faq-item summary:after{content:"+";color:var(--coral);font-size:20px}
.faq-item[open] summary:after{content:"−"}
.faq-answer{padding:0 28px 17px 0;color:var(--muted);font-size:14px}
.contact-section{background:#f4edf4}
.contact-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px}
.contact-copy h2{font-size:35px;color:var(--plum);margin:10px 0}
.contact-copy p{color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13px;font-weight:700;color:var(--plum)}
.form-field input,.form-field select,.form-field textarea{width:100%;border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:11px 13px;color:var(--ink)}
.form-field textarea{min-height:105px;resize:vertical}
.consent{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:flex-start;margin:14px 0}
.consent input{margin-top:5px;accent-color:var(--coral)}
.cta-strip{padding:28px 0;background:#f6d9d1}
.cta-content{display:flex;justify-content:space-between;align-items:center;gap:20px}
.cta-content h2{font-size:25px;color:var(--plum)}
.cta-content p{color:var(--muted);font-size:14px}
.site-footer{background:#241323;color:#fff;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px}
.footer-brand p{color:#cdbdca;font-size:14px;max-width:310px;margin-top:16px}
.footer-title{font-weight:700;margin-bottom:14px}
.footer-links{display:grid;gap:8px}
.footer-links a{color:#cdbdca;font-size:13px}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;color:#a996a8;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
.empty-state{padding:35px;text-align:center;color:var(--muted);font-size:14px}
@media(max-width:1024px){
  .hero-grid{gap:35px}.app-layout{gap:18px}.security-grid{grid-template-columns:1fr 1fr}
  .security-grid>div:first-child{grid-column:1/-1}.security-item{padding-top:10px}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,var(--container))}
  .navbar{height:68px}.logo{font-size:14px}.logo-mark{width:31px;height:31px}
  .menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--cream);border-bottom:1px solid var(--line);padding:12px 16px;flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}.nav-links a{padding:13px 15px}.nav-action{display:none!important}
  .hero{padding:48px 0}.hero-grid,.split-feature,.news-layout,.app-layout,.faq-grid,.contact-layout{grid-template-columns:1fr}
  .hero h1{font-size:42px}.hero-visual{min-height:380px}.section{padding:60px 0}
  .quick-bar{grid-template-columns:1fr 1fr}.quick-item:first-child{grid-column:1/-1}
  .editorial{grid-template-columns:1fr 1fr}.editor-card.large{grid-column:1/-1}
  .steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step{border-bottom:1px solid var(--line)}
  .device-stage{order:-1}.security-grid{grid-template-columns:1fr}.security-grid>div:first-child{grid-column:auto}.security-item{border-left:0;border-top:1px solid rgba(255,255,255,.2);padding:16px 0 0}
  .footer-grid{grid-template-columns:1fr 1fr}.cta-content{align-items:flex-start;flex-direction:column}
}
@media(max-width:520px){
  body{font-size:15px}.hero h1{font-size:35px;letter-spacing:-1px}.hero-copy{font-size:16px}
  .hero-visual{padding:18px;min-height:350px}.phone{transform:scale(.88)}.note-top{left:10px;top:30px}.note-bottom{right:8px;bottom:25px}
  .quick-bar,.adapt-grid,.editorial,.steps{grid-template-columns:1fr}.quick-item:first-child{grid-column:auto}
  .feature-panel{grid-template-columns:1fr}.topic-card:nth-child(2){transform:none}
  .timeline-item{grid-template-columns:1fr;gap:4px}.news-item{grid-template-columns:70px 1fr}.news-item .arrow{display:none}
  .app-copy h2,.faq-intro h2,.contact-copy h2{font-size:29px}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}
  .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}

/* roulang page: category1 */
:root{
  --plum:#32142f;--plum-2:#4c2147;--coral:#f06d58;--coral-dark:#d95546;
  --lime:#b7d96b;--cream:#fbf7f1;--lavender:#f1ebf2;--paper:#fffdf9;
  --ink:#2b2030;--muted:#766b78;--line:#e7dfe6;
  --shadow:0 18px 50px rgba(54,26,49,.10);--soft-shadow:0 8px 24px rgba(54,26,49,.08);
  --radius:18px;--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:.25s ease}
a:hover{color:var(--coral-dark)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(240,109,88,.35);outline-offset:3px}
img{display:block;max-width:100%;height:auto}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,247,241,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--plum);letter-spacing:-.5px;white-space:nowrap}
.logo-mark{width:36px;height:36px;border:2px solid var(--coral);border-radius:50%;position:relative;flex:none}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;background:var(--plum);width:8px;height:8px;top:12px}
.logo-mark:before{left:7px}.logo-mark:after{right:7px}
.logo-mark span{position:absolute;left:12px;top:16px;width:12px;height:2px;background:var(--coral)}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:9px 14px;border-radius:10px;color:var(--muted);font-size:14px}
.nav-links a:hover,.nav-links a.active{color:var(--plum);background:#f2e6ed}
.nav-action{background:var(--coral);color:#fff!important;padding:11px 18px!important;border-radius:10px!important}
.nav-action:hover{background:var(--coral-dark)!important;transform:translateY(-2px)}
.menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px}
.breadcrumb{padding-top:34px;color:var(--muted);font-size:13px}
.breadcrumb a{color:var(--plum)}
.page-intro{padding:30px 0 62px}
.intro-layout{display:grid;grid-template-columns:1fr 340px;gap:70px;align-items:end}
.kicker,.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:2px}
.page-intro h1{font-size:clamp(38px,5vw,62px);line-height:1.16;color:var(--plum);letter-spacing:-2px;margin:13px 0 20px}
.lead{font-size:18px;color:var(--muted);max-width:720px;margin:0}
.intro-note{background:var(--plum);color:#fff;border-radius:20px;padding:25px 26px;box-shadow:var(--shadow)}
.intro-note strong{display:block;font-size:23px;margin-bottom:5px}
.intro-note span{font-size:14px;color:#e5d5e0}
.section{padding:70px 0}
.section.alt{background:var(--lavender)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}
.section-head h2{font-size:clamp(28px,3vw,40px);line-height:1.25;color:var(--plum);margin:8px 0 0}
.section-head p{max-width:520px;color:var(--muted);margin:0}
.filter-bar{display:flex;gap:12px;flex-wrap:wrap;padding:17px;background:var(--paper);border:1px solid var(--line);border-radius:14px;margin-bottom:24px}
.filter-bar select{border:1px solid var(--line);background:#fffaf6;color:var(--plum);border-radius:9px;padding:9px 13px;min-width:145px}
.topic-filters{display:flex;gap:8px;flex-wrap:wrap}
.topic-filters button{padding:9px 15px;border-radius:20px;background:#f3eaf0;color:var(--muted);font-size:14px}
.topic-filters button:hover,.topic-filters button.active{background:var(--plum);color:#fff}
.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:28px}
.news-list{background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.news-item{display:grid;grid-template-columns:92px minmax(0,1fr) 28px;gap:20px;align-items:center;padding:22px 25px;border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:0}
.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;color:var(--plum);margin:0 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-item p{font-size:14px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12px}
.news-arrow{font-size:23px;color:var(--coral)}
.empty-state{padding:42px 28px;text-align:center;color:var(--muted)}
.side-card{background:var(--plum);color:#fff;border-radius:18px;padding:28px;align-self:start}
.side-card h3{font-size:23px;margin:0 0 12px}
.side-card p{font-size:14px;color:#e0d2dc;margin:0 0 22px}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{padding:11px 0;border-bottom:1px solid rgba(255,255,255,.15);font-size:14px}
.side-list li:last-child{border:0}
.featured{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.feature-main{min-height:245px;border-radius:20px;padding:32px;background:#f7e4dc;display:flex;flex-direction:column;justify-content:end}
.feature-main h3{font-size:28px;line-height:1.3;color:var(--plum);margin:10px 0}
.feature-main p,.feature-small p{color:var(--muted);font-size:14px;margin:0}
.feature-small{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:27px}
.feature-small h3{font-size:20px;color:var(--plum);margin:11px 0 7px}
.pill{display:inline-flex;align-items:center;padding:5px 10px;border-radius:18px;background:#edf4d8;color:#60752a;font-size:12px;font-weight:700}
.scope-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.scope-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px}
.scope-card .icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:#f8dfd8;color:var(--coral-dark);font-weight:800}
.scope-card h3{font-size:19px;color:var(--plum);margin:15px 0 6px}
.scope-card p{font-size:14px;color:var(--muted);margin:0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:17px;overflow:hidden}
.step{background:var(--paper);padding:25px}
.step-num{color:var(--coral);font-weight:900;font-size:13px}
.step h3{color:var(--plum);font-size:18px;margin:10px 0 5px}
.step p{color:var(--muted);font-size:14px;margin:0}
.faq-list{max-width:850px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;background:transparent;color:var(--plum);display:flex;justify-content:space-between;text-align:left;padding:20px 4px;font-weight:700}
.faq-question span:last-child{font-size:22px;color:var(--coral)}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 4px}
.faq-item.open .faq-answer{display:block}
.cta-band{background:var(--plum);color:#fff;padding:35px 0}
.cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta-wrap h2{font-size:28px;margin:0 0 5px}.cta-wrap p{margin:0;color:#dfd0db;font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:11px;font-weight:700;border:1px solid transparent}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,109,88,.2)}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--plum)}
.site-footer{background:var(--plum);color:#fff;padding:60px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}
.footer-brand p{color:#d9cbd7;font-size:14px;max-width:250px;margin-top:17px}
.footer-title{font-weight:800;margin-bottom:14px}
.footer-links{display:grid;gap:8px}.footer-links a{font-size:13px;color:#d9cbd7}.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.15);margin-top:44px;padding-top:18px;color:#cbbbc9;font-size:12px}
.site-footer .logo{color:#fff}
@media(max-width:900px){
 .intro-layout,.news-layout,.featured{grid-template-columns:1fr}
 .intro-note{max-width:420px}.scope-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .navbar{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;background:var(--paper);padding:12px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.show{display:flex}.nav-links a{display:block}.nav-action{display:none}
 .page-intro{padding-bottom:38px}.section{padding:52px 0}.section-head{display:block}.section-head p{margin-top:12px}
 .news-item{grid-template-columns:72px minmax(0,1fr) 20px;gap:12px;padding:18px 15px}.news-item h3{font-size:16px}.news-item p{white-space:normal;line-height:1.5}.news-meta{margin-top:4px}
 .cta-wrap{display:block}.cta-wrap .btn{margin-top:20px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
}
@media(max-width:520px){
 .logo{font-size:13px}.logo-mark{width:31px;height:31px}.logo-mark:before,.logo-mark:after{top:9px}.logo-mark span{top:13px;left:10px}
 .scope-grid,.steps{grid-template-columns:1fr}.page-intro h1{font-size:38px}.lead{font-size:16px}
 .filter-bar{display:block}.filter-bar select{width:100%;margin-bottom:10px}.topic-filters{overflow:auto;flex-wrap:nowrap;padding-bottom:3px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
}

/* roulang page: article */
:root{
      --plum:#32142f;
      --plum-2:#4c2147;
      --coral:#f06d58;
      --coral-dark:#d95546;
      --lime:#b7d96b;
      --cream:#fbf7f1;
      --lavender:#f1ebf2;
      --paper:#fffdf9;
      --ink:#2b2030;
      --muted:#766b78;
      --line:#e7dfe6;
      --shadow:0 18px 50px rgba(54,26,49,.10);
      --soft-shadow:0 8px 24px rgba(54,26,49,.08);
      --radius:18px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    a:hover{color:var(--coral-dark)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(240,109,88,.38);outline-offset:3px}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,247,241,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--plum);letter-spacing:-.5px;white-space:nowrap}
    .logo:hover{color:var(--coral-dark)}
    .logo-mark{width:36px;height:36px;border:2px solid var(--coral);border-radius:50%;position:relative;flex:0 0 auto}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;background:var(--plum)}
    .logo-mark:before{width:8px;height:8px;left:7px;top:12px}
    .logo-mark:after{width:8px;height:8px;right:7px;top:12px}
    .logo-mark span{position:absolute;left:12px;top:16px;width:12px;height:2px;background:var(--coral)}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{padding:9px 14px;border-radius:10px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{color:var(--plum);background:#f2e6ed}
    .nav-action{background:var(--coral);color:#fff!important;padding:11px 18px!important;border-radius:10px!important}
    .nav-action:hover{background:var(--coral-dark)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px}
    .article-hero{padding:58px 0 48px;background:var(--lavender);border-bottom:1px solid var(--line)}
    .crumbs{display:flex;flex-wrap:wrap;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:26px}
    .crumbs a{color:var(--plum);font-weight:700}
    .crumbs .slash{color:#b4a8b5}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 270px;gap:70px;align-items:start}
    .article-heading .eyebrow,.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:2px}
    .article-heading h1{font-size:clamp(34px,4.5vw,58px);line-height:1.2;letter-spacing:-1.5px;color:var(--plum);margin:14px 0 20px;overflow-wrap:anywhere}
    .article-lead{font-size:18px;color:var(--muted);max-width:760px;margin:0 0 24px}
    .article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--muted);font-size:13px}
    .article-meta strong{color:var(--plum)}
    .article-cover{min-height:210px;border-radius:24px;background:var(--plum);position:relative;overflow:hidden;box-shadow:var(--shadow);padding:25px;color:#fff}
    .article-cover:before,.article-cover:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.18);border-radius:50%}
    .article-cover:before{width:230px;height:230px;right:-70px;top:-75px}
    .article-cover:after{width:135px;height:135px;left:-55px;bottom:-45px}
    .cover-mark{position:absolute;right:28px;bottom:27px;width:70px;height:70px;border:2px solid var(--coral);border-radius:50%}
    .cover-mark:before,.cover-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--lime);top:28px}
    .cover-mark:before{left:13px}.cover-mark:after{right:13px}
    .cover-line{position:absolute;left:24px;right:42px;bottom:61px;height:2px;background:var(--coral)}
    .cover-label{position:relative;z-index:1;font-size:12px;letter-spacing:2px;color:#e9cedf}
    .cover-title{position:relative;z-index:1;font-size:24px;font-weight:800;line-height:1.35;margin-top:42px;max-width:185px}
    .section{padding:70px 0}
    .reading-wrap{display:grid;grid-template-columns:minmax(0,820px) 270px;gap:70px;align-items:start}
    .article-body{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:clamp(24px,5vw,58px);box-shadow:var(--soft-shadow);min-width:0}
    .article-body h2{font-size:30px;line-height:1.35;color:var(--plum);margin:38px 0 16px}
    .article-body h3{font-size:22px;line-height:1.4;color:var(--plum);margin:30px 0 12px}
    .article-body p{margin:0 0 20px;color:#4b414d;overflow-wrap:anywhere}
    .article-body ul,.article-body ol{padding-left:25px;margin:16px 0 24px;color:#4b414d}
    .article-body li{margin:8px 0}
    .article-body blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--coral);background:#fff1ec;color:var(--plum);border-radius:0 12px 12px 0}
    .article-body img{width:100%;border-radius:14px;margin:25px 0 8px}
    .article-body table{width:100%;border-collapse:collapse;margin:24px 0;display:block;overflow-x:auto}
    .article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left;white-space:nowrap}
    .article-body th{background:var(--lavender);color:var(--plum)}
    .article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
    .article-summary{padding:22px 24px;margin-bottom:30px;border:1px solid #ead7d2;border-radius:15px;background:#fff4ef}
    .article-summary-title{font-size:14px;font-weight:800;color:var(--coral-dark);margin-bottom:8px}
    .article-summary p{margin:0;color:#594b52;font-size:14px}
    .side-card{position:sticky;top:108px;background:var(--paper);border:1px solid var(--line);border-radius:17px;padding:22px}
    .side-card h2{font-size:16px;color:var(--plum);margin:0 0 14px}
    .side-card p{font-size:13px;color:var(--muted);margin:0 0 18px}
    .side-list{list-style:none;padding:0;margin:0}
    .side-list li{padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
    .side-list li:last-child{border-bottom:0}
    .side-list a{color:var(--plum);font-weight:700}
    .notice{margin-top:38px;padding:20px 22px;border:1px solid #dfe8c1;background:#f4f8e7;border-radius:15px;color:#53602e;font-size:14px}
    .notice strong{display:block;color:#475522;margin-bottom:4px}
    .article-actions{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:11px;font-weight:700;border:1px solid transparent}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,109,88,.2)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px)}
    .btn-secondary{background:var(--plum);color:#fff}
    .btn-secondary:hover{background:var(--plum-2);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);color:var(--plum);background:transparent}
    .btn-outline:hover{border-color:var(--coral);background:#fff3ef;color:var(--coral-dark)}
    .related-section{background:#f1e9ee;border-top:1px solid var(--line)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px}
    .section-head h2{font-size:32px;line-height:1.25;color:var(--plum);margin:8px 0 0}
    .section-head p{color:var(--muted);margin:0;max-width:500px}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .related-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:22px;min-height:170px;display:flex;flex-direction:column}
    .related-card:hover{transform:translateY(-4px);box-shadow:var(--soft-shadow)}
    .related-card .badge{display:inline-flex;width:max-content;padding:4px 9px;border-radius:20px;background:#edf4d8;color:#60752a;font-size:12px;font-weight:700}
    .related-card h3{font-size:18px;line-height:1.45;color:var(--plum);margin:15px 0 8px}
    .related-card p{font-size:14px;color:var(--muted);margin:0}
    .related-card .date{margin-top:auto;padding-top:16px;color:#9a8e9b;font-size:12px}
    .empty-state{padding:48px 20px;text-align:center;color:var(--muted);background:var(--paper);border:1px dashed var(--line);border-radius:16px}
    .site-footer{background:var(--plum);color:#decddd;padding:55px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand .logo{color:#fff!important;margin-bottom:16px}
    .footer-brand p{font-size:13px;max-width:260px;margin:0;color:#cbb8c9}
    .footer-title{font-weight:800;color:#fff;margin-bottom:13px}
    .footer-links{display:grid;gap:8px;font-size:13px}
    .footer-links a{color:#cbb8c9}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:17px;font-size:12px;color:#bda9bb}
    @media (max-width:1024px){
      .article-layout,.reading-wrap{grid-template-columns:minmax(0,1fr) 230px;gap:35px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{height:68px}
      .logo{font-size:14px}
      .logo-mark{width:32px;height:32px}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .menu-toggle{display:block}
      .nav-action{display:none}
      .article-hero{padding:40px 0 35px}
      .article-layout,.reading-wrap{display:block}
      .article-cover{margin-top:30px;min-height:180px}
      .side-card{position:static;margin-top:24px}
      .section{padding:48px 0}
      .related-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:last-child{grid-column:auto}
    }
    @media (max-width:520px){
      .article-heading h1{font-size:34px;letter-spacing:-.8px}
      .article-lead{font-size:16px}
      .article-body{padding:23px 18px;border-radius:15px}
      .article-body h2{font-size:25px}
      .article-body h3{font-size:20px}
      .article-actions{display:grid}
      .article-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:last-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }

/* roulang page: category2 */
:root{
      --plum:#32142f;--plum-2:#4c2147;--coral:#f06d58;--coral-dark:#d95546;
      --lime:#b7d96b;--cream:#fbf7f1;--lavender:#f1ebf2;--paper:#fffdf9;
      --ink:#2b2030;--muted:#766b78;--line:#e7dfe6;
      --shadow:0 18px 50px rgba(54,26,49,.10);--soft-shadow:0 8px 24px rgba(54,26,49,.08);
      --radius:18px;--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--coral-dark)}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(240,109,88,.35);outline-offset:3px}
    img{display:block;max-width:100%;height:auto}
    button,input,select{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,247,241,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--plum);letter-spacing:-.5px;white-space:nowrap}
    .logo-mark{width:36px;height:36px;border:2px solid var(--coral);border-radius:50%;position:relative;display:inline-block}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;background:var(--plum);width:8px;height:8px;top:12px}
    .logo-mark:before{left:7px}.logo-mark:after{right:7px}
    .logo-mark span{position:absolute;left:12px;top:16px;width:12px;height:2px;background:var(--coral)}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{padding:9px 14px;border-radius:10px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{color:var(--plum);background:#f2e6ed}
    .nav-action{background:var(--coral);color:#fff!important;padding:11px 18px!important;border-radius:10px!important}
    .nav-action:hover{background:var(--coral-dark)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px}
    .page-head{padding:68px 0 52px;border-bottom:1px solid var(--line)}
    .eyebrow,.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:2px}
    h1,h2,h3{color:var(--plum);line-height:1.25}
    h1{font-size:clamp(38px,5vw,62px);letter-spacing:-2px;margin:14px 0 18px}
    h2{font-size:clamp(28px,3vw,40px);margin:8px 0 13px}
    h3{font-size:19px;margin:0 0 8px}
    .page-intro{max-width:720px;color:var(--muted);font-size:17px}
    .crumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
    .crumbs a{text-decoration:underline;text-underline-offset:3px}
    .section{padding:72px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
    .section-head p{max-width:540px;color:var(--muted);margin:0}
    .filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:16px 18px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--soft-shadow)}
    .filter-label{font-weight:700;color:var(--plum);margin-right:5px}
    .filter-bar button,.filter-bar select{border:1px solid var(--line);background:#fffaf6;color:var(--muted);border-radius:9px;padding:8px 13px;font-size:14px}
    .filter-bar button:hover,.filter-bar button.selected{background:var(--plum);border-color:var(--plum);color:#fff}
    .feature-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:stretch}
    .feature-main{min-height:300px;padding:36px;border-radius:22px;background:var(--plum);color:#fff;position:relative;overflow:hidden}
    .feature-main:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-75px;bottom:-95px}
    .feature-main h2{color:#fff;max-width:520px}
    .feature-main p{color:#e5d5e1;max-width:520px}
    .badge{display:inline-flex;padding:4px 10px;border-radius:20px;background:#edf4d8;color:#60752a;font-size:12px;font-weight:700;margin-bottom:15px}
    .feature-meta{display:flex;gap:18px;flex-wrap:wrap;color:#f2c9c3;font-size:13px;margin-top:25px}
    .feature-side{display:grid;gap:14px}
    .mini-story{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:23px;display:flex;flex-direction:column;justify-content:center}
    .mini-story:nth-child(2){background:#f7e8e1}
    .mini-story p,.scene-card p,.topic p{color:var(--muted);font-size:14px;margin:0}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .topic{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:25px;min-height:178px;box-shadow:var(--soft-shadow)}
    .topic:hover,.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .topic-icon{width:42px;height:42px;border-radius:13px;background:#f8dcd5;color:var(--coral-dark);display:grid;place-items:center;font-size:20px;margin-bottom:17px}
    .story-list{border-top:1px solid var(--line)}
    .story-row{display:grid;grid-template-columns:100px 1fr 110px;gap:22px;align-items:center;padding:22px 4px;border-bottom:1px solid var(--line)}
    .story-date{font-size:13px;color:var(--muted)}
    .story-row p{color:var(--muted);font-size:14px;margin:0}
    .story-link{color:var(--coral-dark);font-weight:700;font-size:14px;text-align:right}
    .scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .scene-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px;transition:.25s ease}
    .scene-card strong{display:block;color:var(--plum);margin-bottom:7px}
    .scene-card span{display:inline-block;color:#60752a;background:#edf4d8;border-radius:20px;padding:3px 9px;font-size:12px;margin-bottom:13px}
    .info-band{background:var(--lavender);padding:30px;border-radius:20px;display:grid;grid-template-columns:1fr 1fr;gap:28px}
    .info-list{margin:0;padding:0;list-style:none;display:grid;gap:10px}
    .info-list li{padding-left:22px;position:relative;color:var(--muted)}
    .info-list li:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);position:absolute;left:0;top:10px}
    .faq-list{max-width:850px;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;background:transparent;padding:20px 0;text-align:left;color:var(--plum);font-weight:700}
    .faq-question span:last-child{color:var(--coral);font-size:22px;line-height:1}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 42px 20px 0}
    .faq-item.open .faq-answer{display:block}
    .cta-strip{background:var(--plum);border-radius:20px;padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#fff}
    .cta-strip h2{color:#fff;font-size:28px;margin:0 0 5px}.cta-strip p{color:#e5d5e1;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:11px;font-weight:700;border:1px solid transparent}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,109,88,.2)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline-light{border-color:rgba(255,255,255,.35);color:#fff}
    .btn-outline-light:hover{background:#fff;color:var(--plum)}
    .site-footer{background:var(--plum);color:#e9dce7;padding:58px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}
    .footer-brand .logo{color:#fff!important;margin-bottom:15px}.footer-brand p{font-size:14px;color:#cdbbc9;max-width:260px}
    .footer-title{font-weight:800;color:#fff;margin-bottom:14px}
    .footer-links{display:grid;gap:8px}.footer-links a{font-size:14px;color:#cdbbc9}.footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,255,255,.15);margin-top:40px;padding-top:18px;color:#bdaaba;font-size:12px}
    @media(max-width:900px){.nav-links{gap:0}.nav-links a{padding:8px 9px}.feature-layout{grid-template-columns:1fr}.scene-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.navbar{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px 14px}.nav-action{display:none}.page-head{padding:48px 0 38px}.section{padding:52px 0}.section-head{display:block}.section-head p{margin-top:12px}.topic-grid{grid-template-columns:1fr}.story-row{grid-template-columns:76px 1fr;gap:12px}.story-link{grid-column:2;text-align:left}.info-band{grid-template-columns:1fr}.cta-strip{display:block;padding:27px}.cta-strip .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}}
    @media(max-width:480px){h1{font-size:36px}.feature-main{padding:27px}.scene-grid{grid-template-columns:1fr}.filter-bar{align-items:stretch}.filter-bar button,.filter-bar select{flex:1}.logo{font-size:14px}.logo-mark{width:32px;height:32px}.footer-grid{grid-template-columns:1fr}}

/* roulang page: category3 */
:root{--plum:#32142f;--plum-2:#4c2147;--coral:#f06d58;--coral-dark:#d95546;--lime:#b7d96b;--cream:#fbf7f1;--lavender:#f1ebf2;--paper:#fffdf9;--ink:#2b2030;--muted:#766b78;--line:#e7dfe6;--shadow:0 18px 50px rgba(54,26,49,.10);--soft-shadow:0 8px 24px rgba(54,26,49,.08);--radius:18px;--container:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",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:var(--coral-dark)}a:focus-visible,button:focus-visible{outline:3px solid rgba(240,109,88,.35);outline-offset:3px}button{font:inherit;cursor:pointer}img{display:block;max-width:100%;height:auto}.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,247,241,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--plum);letter-spacing:-.5px;white-space:nowrap}.logo-mark{width:36px;height:36px;border:2px solid var(--coral);border-radius:50%;position:relative;flex:none}.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;background:var(--plum)}.logo-mark:before{width:8px;height:8px;left:7px;top:12px}.logo-mark:after{width:8px;height:8px;right:7px;top:12px}.logo-mark span{position:absolute;left:12px;top:16px;width:12px;height:2px;background:var(--coral)}.nav-links{display:flex;align-items:center;gap:8px}.nav-links a{padding:9px 14px;border-radius:10px;color:var(--muted);font-size:14px}.nav-links a:hover,.nav-links a.active{color:var(--plum);background:#f2e6ed}.nav-action{background:var(--coral);color:#fff!important;padding:11px 18px!important;border-radius:10px!important}.nav-action:hover{background:var(--coral-dark)!important;transform:translateY(-2px)}.menu-toggle{display:none;background:transparent;border:0;color:var(--plum);font-size:25px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:11px;font-weight:700;border:1px solid transparent;transition:.25s ease}.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,109,88,.2)}.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px)}.btn-secondary{background:var(--plum);color:#fff}.btn-secondary:hover{background:var(--plum-2);color:#fff;transform:translateY(-2px)}.btn-outline{background:transparent;border-color:var(--line);color:var(--plum)}.btn-outline:hover{border-color:var(--coral);background:#fff3ef;color:var(--coral-dark)}
.page-hero{padding:54px 0 42px;background:linear-gradient(115deg,#f4eaf0 0%,#fbf7f1 61%,#f8e8e0 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}.page-hero:after{content:"";position:absolute;right:8%;bottom:-110px;width:260px;height:260px;border:34px solid rgba(240,109,88,.10);border-radius:50%}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}.breadcrumb span{color:var(--coral);font-weight:700}.eyebrow,.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:1.8px}.page-hero h1{max-width:780px;font-size:clamp(38px,5vw,58px);letter-spacing:-1.6px;line-height:1.16;color:var(--plum);margin:10px 0 16px}.page-hero p{max-width:730px;color:var(--muted);font-size:17px;margin:0}.hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border:1px solid var(--line);border-radius:99px;background:rgba(255,253,249,.72);font-size:13px;color:var(--muted)}.tag i{width:7px;height:7px;background:var(--lime);border-radius:50%;display:inline-block}
.section{padding:74px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}.section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.2;color:var(--plum);margin:8px 0 0}.section-head p{max-width:510px;margin:0;color:var(--muted)}.filters{display:flex;gap:9px;flex-wrap:wrap;padding:16px;background:var(--paper);border:1px solid var(--line);border-radius:15px;margin-bottom:22px}.filter-btn{border:1px solid var(--line);background:var(--cream);color:var(--muted);padding:8px 14px;border-radius:99px;font-size:14px}.filter-btn:hover,.filter-btn.active{background:var(--plum);border-color:var(--plum);color:#fff}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px}.news-list{background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden}.news-item{display:grid;grid-template-columns:86px minmax(0,1fr) 20px;gap:17px;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line)}.news-item:last-child{border-bottom:0}.news-date{font-size:13px;color:var(--muted);line-height:1.35}.news-date strong{display:block;font-size:24px;color:var(--coral);line-height:1.1}.news-copy{min-width:0}.badge{display:inline-flex;padding:3px 9px;border-radius:20px;background:#edf4d8;color:#60752a;font-size:12px;font-weight:700;margin-bottom:6px}.news-copy h3{font-size:18px;line-height:1.4;color:var(--plum);margin:0 0 5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.news-copy p{font-size:14px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.arrow{font-size:22px;color:var(--coral);font-weight:400}.side-note{border-radius:18px;padding:25px;background:var(--plum);color:#fff;box-shadow:var(--soft-shadow)}.side-note h3{font-size:21px;margin:10px 0}.side-note p{font-size:14px;color:#decddd;margin:0 0 18px}.note-list{list-style:none;padding:0;margin:20px 0 0}.note-list li{padding:10px 0;border-top:1px solid rgba(255,255,255,.16);font-size:14px;color:#f2e7ed}.note-list li:before{content:"✓";color:var(--lime);font-weight:800;margin-right:9px}
.featured{background:var(--lavender);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.feature-card{display:grid;grid-template-columns:1.1fr .9fr;min-height:310px;background:var(--paper);border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--soft-shadow)}.feature-content{padding:38px}.feature-content h2{font-size:32px;line-height:1.25;color:var(--plum);margin:11px 0}.feature-content p{color:var(--muted);margin-bottom:22px}.device-art{background:var(--plum);position:relative;overflow:hidden;display:flex;justify-content:center;align-items:end;padding-top:32px}.device-art:before{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(255,255,255,.18);border-radius:50%;top:-90px;right:-50px}.phone{width:190px;height:320px;border:8px solid #21101f;border-bottom:0;border-radius:28px 28px 0 0;background:#f9f0f3;position:relative;padding:28px 14px 18px;box-shadow:0 0 0 2px rgba(255,255,255,.16)}.phone:before{content:"";position:absolute;width:70px;height:8px;border-radius:99px;background:#21101f;top:11px;left:52px}.phone-title{font-size:11px;font-weight:800;color:var(--plum);margin-bottom:10px}.phone-line{height:30px;background:#f4d4cc;border-radius:9px;margin-bottom:9px}.phone-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.phone-grid span{height:62px;border-radius:10px;background:#eadce7}.phone-grid span:nth-child(2){background:#dfe9bf}.phone-grid span:nth-child(3){background:#f8ded5}.phone-grid span:nth-child(4){background:#e5d5e6}
.scope-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.scope-card{background:var(--paper);padding:26px;border:1px solid var(--line);border-radius:18px;transition:.25s ease}.scope-card:hover{transform:translateY(-5px);box-shadow:var(--soft-shadow);border-color:#e8bbb1}.scope-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#f9e3dc;color:var(--coral-dark);font-size:21px;font-weight:800}.scope-card h3{font-size:20px;color:var(--plum);margin:16px 0 7px}.scope-card p{font-size:14px;color:var(--muted);margin:0}.update-strip{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;border-radius:21px;overflow:hidden;background:var(--plum);color:#fff}.update-intro{padding:37px}.update-intro h2{font-size:30px;line-height:1.25;margin:10px 0}.update-intro p{color:#decddd;margin:0}.update-list{padding:22px;background:#43203f}.update-row{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.14);display:grid;grid-template-columns:96px 1fr;gap:16px}.update-row:last-child{border-bottom:0}.update-row strong{font-size:14px;color:var(--lime)}.update-row span{font-size:14px;color:#f2e6ed}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px;align-items:start}.faq-intro h2{font-size:36px;line-height:1.25;color:var(--plum);margin:10px 0 15px}.faq-intro p{color:var(--muted)}.faq-item{border-bottom:1px solid var(--line);background:var(--paper)}.faq-question{width:100%;border:0;background:transparent;text-align:left;display:flex;justify-content:space-between;gap:20px;padding:19px 4px;color:var(--plum);font-size:16px;font-weight:800}.faq-question span:last-child{color:var(--coral);font-size:23px;line-height:1}.faq-answer{display:none;padding:0 4px 19px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.download-cta{padding:34px 0 78px}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:28px;background:#f8e5de;border:1px solid #f0c9bf;border-radius:20px;padding:31px 35px}.cta-box h2{margin:0 0 7px;color:var(--plum);font-size:28px}.cta-box p{margin:0;color:var(--muted)}.site-footer{background:var(--plum);color:#fff;padding:60px 0 0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}.footer-brand p{margin:15px 0 0;color:#cfbeca;font-size:14px;max-width:290px}.footer-title{font-weight:800;margin-bottom:15px}.footer-links{display:flex;flex-direction:column;gap:9px}.footer-links a{color:#cfbeca;font-size:14px}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.15);margin-top:45px;padding:19px 0;color:#c5b1c0;font-size:13px}
.empty-state{padding:42px 24px;text-align:center;color:var(--muted)}.empty-state strong{display:block;color:var(--plum);font-size:18px;margin-bottom:5px}
@media(max-width:1024px){.content-layout{grid-template-columns:1fr}.side-note{display:grid;grid-template-columns:1fr 1fr;gap:24px}.note-list{margin:0}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2}.page-hero h1{font-size:47px}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.navbar{height:68px;gap:12px}.logo{font-size:14px}.logo-mark{width:31px;height:31px}.logo-mark:before{left:5px;top:10px}.logo-mark:after{right:5px;top:10px}.logo-mark span{left:9px;top:14px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:16px;right:16px;top:74px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px}.nav-action{display:none}.page-hero{padding:42px 0 34px}.page-hero h1{font-size:38px}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:15px}.feature-card,.update-strip,.faq-wrap{grid-template-columns:1fr}.device-art{min-height:270px}.scope-grid{grid-template-columns:1fr}.side-note{display:block}.note-list{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:auto}.cta-box{align-items:flex-start;flex-direction:column}.news-item{grid-template-columns:68px minmax(0,1fr) 16px;padding:19px 16px}.news-copy h3,.news-copy p{white-space:normal;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}.news-copy h3{-webkit-line-clamp:2}.news-copy p{-webkit-line-clamp:2}.update-list{padding:20px}.feature-content{padding:29px}}
@media(max-width:520px){body{font-size:15px}.logo{font-size:12px;letter-spacing:-.7px}.page-hero h1{font-size:33px}.page-hero p{font-size:15px}.section{padding:48px 0}.section-head h2,.faq-intro h2{font-size:29px}.filters{flex-wrap:nowrap;overflow:auto}.filter-btn{white-space:nowrap}.news-date strong{font-size:20px}.news-item{gap:11px}.news-copy h3{font-size:16px}.feature-content h2,.update-intro h2{font-size:26px}.feature-content{padding:25px}.phone{transform:scale(.88);transform-origin:bottom center}.footer-grid{grid-template-columns:1fr}.footer-bottom{font-size:12px}.cta-box{padding:25px}.cta-box h2{font-size:24px}}