/* roulang page: index */
:root{
  --ink:#211a2b;--ink-2:#342b43;--jade:#168b78;--jade-dark:#0d685d;
  --amber:#c88939;--paper:#f7f5f0;--cream:#eeebe4;--white:#fff;
  --muted:#756f7a;--line:#ded9d0;--radius:14px;--shadow:0 14px 35px rgba(37,29,43,.08);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.site-header{height:76px;background:rgba(247,245,240,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav-wrap{height:100%;display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:center;gap:11px;min-width:245px;font-weight:700;line-height:1.15}
.logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--jade);color:#fff;display:grid;place-items:center;font-size:19px}
.logo-text{font-size:16px;letter-spacing:.2px}
.main-nav{display:flex;align-items:center;gap:24px;flex:1}
.main-nav a{font-size:14px;color:var(--muted);padding:25px 0 21px;border-bottom:2px solid transparent;transition:.2s}
.main-nav a:hover,.main-nav a.active{color:var(--jade-dark);border-color:var(--jade)}
.nav-action,.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;transition:.22s;font-weight:600}
.nav-action{background:var(--ink);color:#fff;padding:11px 18px;font-size:14px}
.nav-action:hover{background:var(--jade-dark);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:26px}
.hero{padding:74px 0 70px;background:var(--ink);color:#fff;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(110,190,170,.22);border-radius:50%;right:-120px;top:-170px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;position:relative;z-index:1}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:#75cdbb;font-weight:700}
.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.16;letter-spacing:-2px;margin:18px 0 22px;max-width:700px}
.hero p{color:#d2ccd7;font-size:18px;max-width:630px}
.hero-buttons{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.btn{padding:13px 22px;min-height:46px}
.btn-primary{background:var(--jade);color:#fff}
.btn-primary:hover{background:#1ca28d;transform:translateY(-2px);box-shadow:0 8px 18px rgba(22,139,120,.25)}
.btn-light{border:1px solid rgba(255,255,255,.32);color:#fff;background:transparent}
.btn-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.hero-board{min-height:330px;border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:22px;background:#2c2438;box-shadow:0 25px 50px rgba(0,0,0,.22)}
.board-top{display:flex;justify-content:space-between;color:#bcb4c6;font-size:13px;border-bottom:1px solid rgba(255,255,255,.13);padding-bottom:16px}
.board-title{font-size:24px;font-weight:700;margin:25px 0 17px}
.board-row{display:flex;align-items:center;gap:13px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.board-number{color:#73cdb9;font-size:13px;font-weight:700}
.board-line{height:9px;background:#62586e;border-radius:8px;flex:1}.board-line.short{max-width:58%}
.board-chip{font-size:11px;padding:4px 8px;border-radius:5px;background:#a77a3d;color:#fff}
.section{padding:78px 0}.section.alt{background:var(--cream)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section h2{font-size:34px;line-height:1.25;letter-spacing:-.8px;margin-top:8px}
.section-intro{color:var(--muted);max-width:560px}
.channel-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.channel{background:#fff;border:1px solid var(--line);padding:21px 18px;border-radius:12px;transition:.22s}
.channel:hover{border-color:#9bcbbf;box-shadow:var(--shadow);transform:translateY(-3px)}
.channel-icon{color:var(--jade);font-size:22px;margin-bottom:10px}.channel strong{display:block;font-size:16px}.channel span{font-size:13px;color:var(--muted)}
.overview{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.overview-main,.overview-side{border-radius:16px;padding:29px;background:#fff;border:1px solid var(--line)}
.overview-main{background:var(--jade);color:#fff}.overview-main p{color:#d9f0ea;margin-top:14px;max-width:620px}
.topic-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}.tag{display:inline-block;padding:6px 10px;border-radius:6px;background:#e5f3ef;color:var(--jade-dark);font-size:13px}.overview-main .tag{background:rgba(255,255,255,.16);color:#fff}
.info-points{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.info-points b{font-size:25px;color:var(--ink);display:block}.info-points span{font-size:13px;color:var(--muted)}
.news-layout{display:grid;grid-template-columns:1.5fr .8fr;gap:20px}
.news-list{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}
.news-item{display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:center;padding:21px 24px;border-bottom:1px solid var(--line);transition:.2s}
.news-item:last-child{border:0}.news-item:hover{background:#fcfbf8}.news-date{color:var(--amber);font-size:13px;font-weight:700}.news-item h3{font-size:17px;margin-bottom:3px}.news-item p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.news-arrow{color:var(--jade);font-size:20px}
.empty-state{padding:35px 25px;color:var(--muted);text-align:center}
.news-aside{background:var(--ink);color:#fff;border-radius:15px;padding:28px}.news-aside h3{font-size:23px;margin-bottom:12px}.news-aside p{color:#c8c0ce;font-size:14px}.news-aside ul{list-style:none;margin-top:22px}.news-aside li{padding:11px 0;border-bottom:1px solid rgba(255,255,255,.13);color:#e5dfe8;font-size:14px}
.reading-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.guide-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:14px}.guide-no{color:var(--jade);font-size:13px;font-weight:700}.guide-card h3{font-size:19px;margin:13px 0 8px}.guide-card p{font-size:14px;color:var(--muted)}
.download-panel{background:var(--ink);color:#fff;border-radius:18px;padding:45px;display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:center;overflow:hidden}
.download-panel h2{font-size:36px;line-height:1.25;margin:11px 0 14px}.download-panel p{color:#d0c9d5}.download-info{display:flex;gap:12px;margin-top:25px;flex-wrap:wrap}.download-info span{border:1px solid rgba(255,255,255,.18);padding:8px 11px;border-radius:7px;font-size:13px;color:#ddd5e1}
.device-stage{height:250px;display:flex;align-items:center;justify-content:center;gap:27px;background:#31283d;border:1px solid rgba(255,255,255,.14);border-radius:15px}
.phone{width:126px;height:218px;border:6px solid #17131d;border-radius:23px;background:#e8f3ef;position:relative;box-shadow:0 13px 25px rgba(0,0,0,.25)}.phone:before{content:"";display:block;width:40px;height:5px;border-radius:4px;background:#b6d8d0;margin:7px auto}.phone-screen{margin:18px 13px}.screen-bar{height:12px;width:70%;background:var(--jade);border-radius:4px;margin-bottom:18px}.screen-block{height:43px;background:#c6e3db;border-radius:7px;margin:9px 0}.device-note{max-width:210px;color:#cfc7d5;font-size:14px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{padding:24px 23px;border-top:2px solid var(--line);position:relative}.step:not(:last-child):after{content:"→";position:absolute;right:-7px;top:11px;color:var(--jade);background:var(--paper);padding:0 5px}.step strong{display:flex;align-items:center;gap:10px;font-size:17px}.step-num{color:var(--jade);font-size:13px}.step p{font-size:14px;color:var(--muted);margin-top:9px}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.feature-card{min-height:220px;padding:30px;border-radius:15px;background:#fff;border:1px solid var(--line)}.feature-card.dark{background:#342b43;color:#fff}.feature-card h3{font-size:23px;margin:12px 0}.feature-card p{color:var(--muted);font-size:15px}.feature-card.dark p{color:#d1c9d7}.feature-mark{font-size:12px;color:var(--jade);font-weight:700;letter-spacing:1px}
.timeline{border-left:2px solid #d2b27d;margin-left:10px;padding-left:30px}.timeline-item{position:relative;padding:0 0 27px}.timeline-item:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--amber);left:-36px;top:9px}.timeline-item h3{font-size:18px}.timeline-item p{color:var(--muted);font-size:14px}.notice-label{font-size:12px;color:var(--amber);font-weight:700;margin-right:10px}
.topic-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.topic-feature{background:var(--jade);color:#fff;border-radius:15px;padding:31px}.topic-feature h3{font-size:27px;margin:12px 0}.topic-feature p{color:#d9f0ea}.topic-list{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px 25px}.topic-list a{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line);font-weight:600}.topic-list a:last-child{border:0}.topic-list a:hover{color:var(--jade)}
.faq-list{max-width:850px}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;text-align:left;padding:20px 0;background:none;border:0;color:var(--ink);font-weight:600;font-size:17px}.faq-question span{color:var(--jade);font-size:22px}.faq-answer{display:none;color:var(--muted);font-size:15px;padding:0 35px 20px 0}.faq-item.open .faq-answer{display:block}
.safety{display:flex;gap:20px;align-items:flex-start;padding:24px 28px;background:#fff8ed;border:1px solid #efd9b8;border-radius:13px}.safety-icon{color:var(--amber);font-size:25px}.safety h3{font-size:18px;margin-bottom:4px}.safety p{color:#716354;font-size:14px}
.reminder{background:var(--cream);padding:34px;border-radius:15px;display:flex;justify-content:space-between;align-items:center;gap:20px}.reminder h2{font-size:27px}.reminder p{color:var(--muted);margin-top:5px}.reminder-form{display:flex;gap:8px;min-width:390px}.reminder-form input{min-width:0;flex:1;border:1px solid var(--line);border-radius:8px;padding:12px 13px;background:#fff;outline:0}.reminder-form input:focus{border-color:var(--jade);box-shadow:0 0 0 3px rgba(22,139,120,.12)}.form-note{font-size:12px;color:var(--muted);margin-top:8px}
.final-cta{background:var(--ink);color:#fff;text-align:center;padding:65px 20px}.final-cta h2{font-size:36px}.final-cta p{color:#d0c9d5;margin:12px auto 25px}.site-footer{background:#17131d;color:#d8d1dd;padding:45px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:45px}.footer-brand{font-size:18px;font-weight:700}.footer-grid h3{font-size:14px;color:#fff;margin-bottom:14px}.footer-grid a{display:block;color:#aaa1b0;font-size:14px;margin:7px 0}.footer-grid a:hover{color:#75cdbb}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;color:#8f8795;font-size:12px;display:flex;justify-content:space-between;gap:20px}
@media(max-width:1024px){.main-nav{gap:13px}.logo{min-width:220px}.channel-grid{grid-template-columns:repeat(3,1fr)}.hero-grid{gap:35px}.news-layout,.overview,.topic-layout{grid-template-columns:1fr}.download-panel{grid-template-columns:1fr}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.site-header{height:66px}.nav-wrap{justify-content:space-between}.main-nav{display:none;position:absolute;left:16px;right:16px;top:70px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.main-nav.open{display:flex}.main-nav a{padding:11px 0;border-bottom:1px solid var(--line)}.nav-action{display:none}.menu-toggle{display:block}.hero{padding:55px 0}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:43px}.hero p{font-size:16px}.section{padding:58px 0}.section-head{display:block}.section h2{font-size:29px;margin-bottom:10px}.channel-grid,.reading-grid{grid-template-columns:repeat(2,1fr)}.news-item{grid-template-columns:72px 1fr;gap:12px;padding:17px}.news-arrow{display:none}.steps{grid-template-columns:1fr 1fr}.step:not(:last-child):after{display:none}.download-panel{padding:28px 22px}.device-stage{height:225px}.feature-grid{grid-template-columns:1fr}.reminder{display:block}.reminder-form{min-width:0;margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){.logo{min-width:0}.logo-text{font-size:14px}.hero h1{font-size:35px;letter-spacing:-1px}.hero-buttons .btn{width:100%}.channel-grid,.reading-grid,.steps{grid-template-columns:1fr}.news-item{grid-template-columns:1fr}.news-date{font-size:12px}.download-panel h2{font-size:29px}.device-stage{gap:12px}.device-note{font-size:12px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}.reminder-form{display:block}.reminder-form .btn{width:100%;margin-top:8px}}

/* roulang page: category1 */
:root{
      --ink:#211a2b;--ink-2:#342b43;--jade:#168b78;--jade-dark:#0d685d;
      --amber:#c88939;--paper:#f7f5f0;--cream:#eeebe4;--white:#fff;
      --muted:#756f7a;--line:#ded9d0;--radius:14px;
      --shadow:0 14px 35px rgba(37,29,43,.08);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .site-header{height:76px;background:rgba(247,245,240,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:11px;min-width:245px;font-weight:700;line-height:1.15}
    .logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--jade);color:#fff;display:grid;place-items:center;font-size:19px}
    .logo-text{font-size:16px;letter-spacing:.2px}
    .main-nav{display:flex;align-items:center;gap:24px;flex:1}
    .main-nav a{font-size:14px;color:var(--muted);padding:25px 0 21px;border-bottom:2px solid transparent;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:var(--jade-dark);border-color:var(--jade)}
    .nav-action,.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;transition:.22s;font-weight:600}
    .nav-action{background:var(--ink);color:#fff;padding:11px 18px;font-size:14px}
    .nav-action:hover{background:var(--jade-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:26px}
    .page-band{background:var(--ink);color:#fff;padding:54px 0 58px;position:relative;overflow:hidden}
    .page-band:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(117,205,187,.24);border-radius:50%;right:-95px;top:-170px}
    .page-band .container{position:relative;z-index:1}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:2px;color:#75cdbb;font-weight:700}
    .page-band h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-1.5px;margin:15px 0 14px;max-width:760px}
    .page-band p{color:#d2ccd7;max-width:720px;font-size:17px;margin:0}
    .crumbs{display:flex;gap:10px;align-items:center;color:#aca4b5;font-size:13px;margin-bottom:22px}
    .crumbs a:hover{color:#fff}
    .section{padding:72px 0}
    .section.alt{background:var(--cream)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
    .section h2{font-size:32px;line-height:1.3;letter-spacing:-.6px;margin:8px 0 0}
    .section-intro{color:var(--muted);max-width:580px;margin:0}
    .info-strip{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:14px}
    .info-cell{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px}
    .info-cell strong{display:block;font-size:20px;margin-bottom:5px}
    .info-cell span{color:var(--muted);font-size:14px}
    .info-cell.emphasis{background:var(--jade);color:#fff;border-color:var(--jade)}
    .info-cell.emphasis span{color:#d9f0ea}
    .news-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}
    .news-item{display:grid;grid-template-columns:96px 1fr auto;gap:20px;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line);transition:.2s}
    .news-item:last-child{border:0}
    .news-item:hover{background:#fcfbf8}
    .news-date{font-size:13px;color:var(--amber);font-weight:700}
    .news-date small{display:block;color:var(--muted);font-weight:400;margin-top:3px}
    .news-item h3{font-size:18px;line-height:1.45;margin:0 0 5px}
    .news-item h3 a:hover{color:var(--jade)}
    .news-item p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .news-arrow{color:var(--jade);font-size:21px}
    .side-card{background:#342b43;color:#fff;border-radius:15px;padding:27px}
    .side-card h3{font-size:21px;margin:8px 0 12px}
    .side-card p{color:#d1c9d7;font-size:14px;margin:0 0 20px}
    .side-list{border-top:1px solid rgba(255,255,255,.16);margin-top:20px;padding-top:10px}
    .side-list a{display:flex;justify-content:space-between;padding:10px 0;color:#eee8f0;font-size:14px;border-bottom:1px solid rgba(255,255,255,.1)}
    .side-list a:hover{color:#75cdbb}
    .btn{padding:12px 20px;min-height:45px}
    .btn-primary{background:var(--jade);color:#fff}
    .btn-primary:hover{background:#1ca28d;transform:translateY(-2px);box-shadow:0 8px 18px rgba(22,139,120,.25)}
    .btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
    .btn-outline:hover{border-color:var(--jade);color:var(--jade-dark)}
    .tag-row{display:flex;gap:10px;flex-wrap:wrap}
    .tag{display:inline-block;padding:7px 12px;border-radius:7px;background:#e5f3ef;color:var(--jade-dark);font-size:13px}
    .tag.amber{background:#f5eadb;color:#976323}
    .feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .feature-main,.feature-card{border-radius:15px;border:1px solid var(--line);padding:30px;background:#fff}
    .feature-main{background:var(--jade);color:#fff;min-height:238px}
    .feature-main h3{font-size:27px;line-height:1.35;margin:15px 0 10px}
    .feature-main p{color:#d9f0ea;margin:0;max-width:580px}
    .feature-stack{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .feature-card h3{font-size:19px;margin:12px 0 7px}
    .feature-card p{font-size:14px;color:var(--muted);margin:0}
    .feature-icon{font-size:24px;color:var(--jade)}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:25px}
    .step-num{width:34px;height:34px;border-radius:8px;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700;margin-bottom:17px}
    .step h3{font-size:18px;margin:0 0 8px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .faq-list{max-width:850px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;text-align:left;padding:20px 0;background:none;border:0;color:var(--ink);font-weight:600;font-size:17px}
    .faq-question span{color:var(--jade);font-size:22px}
    .faq-answer{display:none;color:var(--muted);font-size:15px;padding:0 35px 20px 0}
    .faq-item.open .faq-answer{display:block}
    .cta{background:var(--ink);color:#fff;padding:40px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{font-size:30px;margin:0 0 8px}
    .cta p{color:#d2ccd7;margin:0}
    .site-footer{background:#211a2b;color:#fff;padding:52px 0 20px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
    .footer-brand{font-weight:700;font-size:18px}
    .site-footer h3{font-size:14px;margin:0 0 14px}
    .site-footer a{display:block;color:#aaa1b0;font-size:14px;margin:8px 0;transition:.2s}
    .site-footer a:hover{color:#75cdbb}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;color:#aaa1b0;font-size:13px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
    .empty-state{padding:50px 25px;text-align:center;color:var(--muted)}
    :focus-visible{outline:3px solid rgba(22,139,120,.35);outline-offset:3px}
    @media(max-width:1024px){
      .nav-wrap{gap:18px}.logo{min-width:210px}.main-nav{gap:16px}
      .news-layout{grid-template-columns:1fr 260px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .site-header{height:68px}.logo{min-width:0;flex:1}.logo-text{font-size:14px}
      .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 22px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .main-nav.open{display:flex}.main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
      .nav-action{display:none}.menu-toggle{display:block}
      .page-band{padding:42px 0 48px}.page-band h1{font-size:39px}
      .section{padding:54px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .info-strip,.feature-grid,.news-layout{grid-template-columns:1fr}
      .feature-stack{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr}
      .side-card{order:-1}
      .cta-inner{display:block}.cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media(max-width:520px){
      .news-item{grid-template-columns:1fr auto;gap:7px 12px;padding:18px}
      .news-date{grid-column:1/-1}.news-item p{font-size:13px}
      .feature-stack{grid-template-columns:1fr}.feature-main{padding:24px}
      .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
      .page-band h1{font-size:34px}
    }

/* roulang page: article */
:root{
      --ink:#211a2b;--ink-2:#342b43;--jade:#168b78;--jade-dark:#0d685d;
      --amber:#c88939;--paper:#f7f5f0;--cream:#eeebe4;--white:#fff;
      --muted:#756f7a;--line:#ded9d0;--radius:14px;
      --shadow:0 14px 35px rgba(37,29,43,.08);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .site-header{height:76px;background:rgba(247,245,240,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:11px;min-width:245px;font-weight:700;line-height:1.15}
    .logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--jade);color:#fff;display:grid;place-items:center;font-size:19px}
    .logo-text{font-size:16px;letter-spacing:.2px}
    .main-nav{display:flex;align-items:center;gap:24px;flex:1}
    .main-nav a{font-size:14px;color:var(--muted);padding:25px 0 21px;border-bottom:2px solid transparent;transition:.2s;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--jade-dark);border-color:var(--jade)}
    .nav-action,.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;transition:.22s;font-weight:600}
    .nav-action{background:var(--ink);color:#fff;padding:11px 18px;font-size:14px;white-space:nowrap}
    .nav-action:hover{background:var(--jade-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:26px}
    .article-cover{background:var(--ink);color:#fff;padding:58px 0 64px;position:relative;overflow:hidden}
    .article-cover:after{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(110,190,170,.2);border-radius:50%;right:-120px;top:-245px}
    .cover-inner{position:relative;z-index:1}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:#bdb5c5;font-size:13px;margin-bottom:24px;flex-wrap:wrap}
    .breadcrumb a:hover{color:#75cdbb}
    .breadcrumb .current{color:#fff;max-width:650px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .eyebrow{color:#75cdbb;font-size:12px;letter-spacing:2px;font-weight:700}
    .article-cover h1{font-size:clamp(30px,4.5vw,56px);line-height:1.25;letter-spacing:-1.3px;max-width:850px;margin:15px 0 18px}
    .article-summary{color:#d2ccd7;max-width:780px;font-size:17px;margin:0}
    .article-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;color:#c4bdc9;font-size:13px}
    .meta-pill{border:1px solid rgba(255,255,255,.2);border-radius:6px;padding:4px 10px;color:#d8f0eb}
    .reading-layout{display:grid;grid-template-columns:minmax(0,790px) 290px;gap:54px;align-items:start;padding:62px 0 82px}
    .article-body{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:clamp(25px,5vw,58px);box-shadow:var(--shadow);overflow:hidden}
    .article-body h2{font-size:28px;line-height:1.35;margin:32px 0 14px;color:var(--ink)}
    .article-body h3{font-size:21px;line-height:1.45;margin:27px 0 10px;color:var(--ink-2)}
    .article-body p{color:#4d4654;line-height:1.95;margin:0 0 19px}
    .article-body ul,.article-body ol{color:#4d4654;padding-left:1.5em;margin:12px 0 22px}
    .article-body li{margin:7px 0}
    .article-body blockquote{border-left:4px solid var(--jade);background:#eef7f4;color:var(--jade-dark);padding:16px 20px;margin:25px 0;border-radius:0 9px 9px 0}
    .article-body table{width:100%;border-collapse:collapse;margin:25px 0;font-size:14px}
    .article-body th,.article-body td{border:1px solid var(--line);padding:11px 13px;text-align:left}
    .article-body th{background:var(--cream);color:var(--ink)}
    .article-body figure{margin:27px 0}
    .article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
    .side-panel{position:sticky;top:102px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:16px}
    .side-card h2{font-size:18px;margin:0 0 15px}
    .side-card p{font-size:14px;color:var(--muted);margin:0 0 14px}
    .side-list{list-style:none;padding:0;margin:0}
    .side-list li{border-top:1px solid var(--line);padding:12px 0;font-size:14px}
    .side-list li:first-child{border-top:0;padding-top:0}
    .side-list a:hover{color:var(--jade)}
    .side-label{display:block;color:var(--jade);font-size:12px;font-weight:700;margin-bottom:3px}
    .download-card{background:var(--ink-2);color:#fff;border-radius:14px;padding:23px}
    .download-card h2{font-size:20px;margin:0 0 8px}
    .download-card p{color:#d2ccd7;margin-bottom:17px}
    .btn{padding:12px 20px;min-height:44px}
    .btn-primary{background:var(--jade);color:#fff}
    .btn-primary:hover{background:#1ca28d;color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(22,139,120,.25)}
    .article-end{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap}
    .back-link{color:var(--jade-dark);font-weight:600}
    .back-link:hover{text-decoration:underline}
    .safety-strip{background:var(--cream);border:1px solid var(--line);border-radius:12px;padding:17px 20px;color:var(--muted);font-size:14px;margin-top:24px}
    .safety-strip strong{color:var(--ink);margin-right:7px}
    .empty-state{text-align:center;padding:58px 20px;background:#fff;border:1px solid var(--line);border-radius:16px;color:var(--muted)}
    .empty-state h1{color:var(--ink);font-size:28px;margin:0 0 12px}
    .site-footer{background:var(--ink);color:#fff;padding:55px 0 22px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}
    .footer-brand{font-size:18px;font-weight:700}
    .site-footer h3{font-size:14px;margin:0 0 15px;color:#fff}
    .site-footer a{display:block;color:#aaa1b0;font-size:14px;margin:8px 0;transition:.2s}
    .site-footer a:hover{color:#75cdbb}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.13);padding-top:20px;margin-top:42px;color:#aaa1b0;font-size:13px;flex-wrap:wrap}
    :focus-visible{outline:3px solid rgba(22,139,120,.4);outline-offset:3px}
    @media(max-width:1024px){
      .nav-wrap{gap:18px}.logo{min-width:215px}.main-nav{gap:15px}
      .reading-layout{grid-template-columns:minmax(0,1fr) 250px;gap:25px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .site-header{height:68px}.nav-wrap{gap:12px}.logo{min-width:0;flex:1}.logo-text{font-size:14px}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:63px;padding:10px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .main-nav.open{display:flex}.main-nav a{padding:12px 3px;border-bottom:1px solid var(--line)}.main-nav a:last-child{border:0}
      .nav-action{padding:9px 12px;font-size:13px}.menu-toggle{display:block}
      .article-cover{padding:40px 0 44px}.article-cover h1{font-size:34px}.article-summary{font-size:16px}
      .reading-layout{display:block;padding:30px 0 55px}.article-body{padding:25px 20px}.side-panel{position:static;margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      .logo-mark{width:31px;height:31px;font-size:17px}.logo-text{max-width:190px}
      .nav-action{display:none}.article-cover h1{font-size:29px}.article-meta{gap:9px}
      .article-body h2{font-size:24px}.article-body h3{font-size:19px}
      .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}
    }

/* roulang page: category2 */
:root{
  --ink:#211a2b;--ink-2:#342b43;--jade:#168b78;--jade-dark:#0d685d;
  --amber:#c88939;--paper:#f7f5f0;--cream:#eeebe4;--white:#fff;
  --muted:#756f7a;--line:#ded9d0;--radius:14px;--shadow:0 14px 35px rgba(37,29,43,.08);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.site-header{height:76px;background:rgba(247,245,240,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(8px)}
.nav-wrap{height:100%;display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:center;gap:11px;min-width:245px;font-weight:700;line-height:1.15}
.logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--jade);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800}
.logo-text{font-size:16px;letter-spacing:.2px}
.main-nav{display:flex;align-items:center;gap:24px;flex:1}
.main-nav a{font-size:14px;color:var(--muted);padding:25px 0 21px;border-bottom:2px solid transparent;transition:.2s}
.main-nav a:hover,.main-nav a.active{color:var(--jade-dark);border-color:var(--jade)}
.nav-action,.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;transition:.22s;font-weight:600}
.nav-action{background:var(--ink);color:#fff;padding:11px 18px;font-size:14px;white-space:nowrap}
.nav-action:hover{background:var(--jade-dark);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:26px;line-height:1}
.btn{padding:13px 21px;min-height:46px}
.btn-primary{background:var(--jade);color:#fff}
.btn-primary:hover{background:#1ca28d;transform:translateY(-2px);box-shadow:0 8px 18px rgba(22,139,120,.25)}
.btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--jade);color:var(--jade-dark);transform:translateY(-2px)}
.btn:focus-visible,.nav-action:focus-visible,.main-nav a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(22,139,120,.3);outline-offset:3px}
.page-banner{padding:56px 0 47px;background:var(--ink);color:#fff;position:relative;overflow:hidden}
.page-banner:before{content:"";width:330px;height:330px;position:absolute;right:5%;top:-190px;border:1px solid rgba(117,205,187,.32);border-radius:50%}
.page-banner:after{content:"";width:200px;height:200px;position:absolute;right:17%;bottom:-150px;background:rgba(22,139,120,.2);border-radius:50%}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:#c9c2cf;font-size:13px;position:relative;z-index:1}
.breadcrumb a{transition:.2s}
.breadcrumb a:hover{color:#8be0ce}
.breadcrumb i{font-style:normal;color:#75cdbb}
.page-banner-grid{display:grid;grid-template-columns:1fr auto;gap:35px;align-items:end;position:relative;z-index:1;margin-top:18px}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:#75cdbb;font-weight:700}
.page-banner h1{font-size:clamp(34px,4.5vw,55px);line-height:1.18;letter-spacing:-1.6px;margin:10px 0 14px}
.page-banner p{margin:0;color:#d3ced8;max-width:700px;font-size:17px}
.banner-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.banner-tags span{padding:6px 10px;border:1px solid rgba(255,255,255,.18);border-radius:6px;font-size:12px;color:#dcefea;background:rgba(255,255,255,.06)}
.section{padding:78px 0}
.section.alt{background:var(--cream)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
.section h2{font-size:34px;line-height:1.25;letter-spacing:-.8px;margin:7px 0 0}
.section-intro{color:var(--muted);max-width:560px;margin:0}
.info-strip{margin-top:-1px;background:#fff;border-bottom:1px solid var(--line)}
.info-strip-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;padding:25px 0;align-items:center}
.info-strip p{margin:0;color:var(--muted);font-size:15px}
.strip-points{display:flex;justify-content:flex-end;gap:9px;flex-wrap:wrap}
.strip-points span{background:#e5f3ef;color:var(--jade-dark);padding:6px 10px;border-radius:6px;font-size:13px;font-weight:600}
.guide-layout{display:grid;grid-template-columns:300px 1fr;gap:25px;align-items:start}
.guide-nav{background:var(--ink-2);padding:23px;border-radius:15px;color:#fff;position:sticky;top:98px}
.guide-nav small{color:#8fe1d0;letter-spacing:1.5px;font-weight:700}
.guide-nav h2{font-size:23px;margin:8px 0 19px;line-height:1.35}
.guide-nav a{display:flex;align-items:center;gap:10px;padding:11px 0;border-top:1px solid rgba(255,255,255,.12);font-size:14px;color:#dfd8e4;transition:.2s}
.guide-nav a:hover{color:#83ddc9;padding-left:4px}
.guide-nav b{color:#75cdbb;font-size:12px}
.guide-list{display:grid;gap:13px}
.guide-item{display:grid;grid-template-columns:52px 1fr auto;gap:18px;align-items:center;padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.22s}
.guide-item:hover{border-color:rgba(22,139,120,.6);box-shadow:var(--shadow);transform:translateY(-2px)}
.guide-number{width:52px;height:52px;border-radius:12px;background:#e5f3ef;color:var(--jade-dark);display:grid;place-items:center;font-weight:800;font-size:18px}
.guide-item h3{font-size:18px;line-height:1.4;margin:0 0 4px}
.guide-item p{margin:0;color:var(--muted);font-size:14px}
.guide-meta{display:flex;gap:8px;align-items:center;white-space:nowrap}
.difficulty{font-size:12px;padding:5px 9px;border-radius:5px;background:#f6eee2;color:#9b6525}
.item-arrow{color:var(--jade);font-size:22px}
.featured-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:17px}
.featured-main{padding:32px;background:var(--jade);color:#fff;border-radius:16px;min-height:310px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.featured-main:after{content:"J9";position:absolute;right:22px;bottom:-32px;font-weight:800;font-size:160px;line-height:1;color:rgba(255,255,255,.09)}
.featured-main .feature-mark{color:#d8f1eb;letter-spacing:1.5px;font-size:12px;font-weight:700;position:relative}
.featured-main h3{font-size:29px;line-height:1.3;max-width:540px;margin:13px 0 10px;position:relative}
.featured-main p{color:#dff4ee;max-width:590px;margin:0;position:relative}
.featured-note{display:flex;align-items:center;gap:10px;color:#fff;margin-top:22px;font-weight:600;position:relative}
.featured-note span{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.16);display:grid;place-items:center}
.featured-side{display:grid;gap:17px}
.mini-feature{padding:23px;background:#fff;border:1px solid var(--line);border-radius:15px;transition:.22s}
.mini-feature:hover{box-shadow:var(--shadow);border-color:rgba(22,139,120,.45)}
.mini-feature .tag{margin-bottom:11px}
.mini-feature h3{font-size:18px;line-height:1.4;margin:0 0 7px}
.mini-feature p{font-size:14px;color:var(--muted);margin:0}
.tag{display:inline-block;padding:6px 10px;border-radius:6px;background:#e5f3ef;color:var(--jade-dark);font-size:12px;font-weight:600}
.tag.amber{background:#f6eee2;color:#9b6525}
.tag.dark{background:#eae5ec;color:#51475a}
.topic-tags{display:flex;gap:10px;flex-wrap:wrap}
.topic-tags span{padding:10px 14px;border:1px solid var(--line);background:#fff;border-radius:8px;color:#554d5c;font-size:14px;transition:.2s}
.topic-tags span:hover{border-color:var(--jade);color:var(--jade-dark);background:#f2faf7}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.path-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:23px 20px 21px;min-height:200px;transition:.22s}
.path-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.path-no{display:block;color:var(--amber);font-size:13px;font-weight:800;letter-spacing:1px;margin-bottom:27px}
.path-card h3{font-size:18px;margin:0 0 8px}
.path-card p{font-size:14px;color:var(--muted);margin:0}
.path-card:after{content:"";position:absolute;width:23px;height:2px;background:var(--jade);left:20px;top:51px}
.notice-panel{display:grid;grid-template-columns:62px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--amber);padding:25px 27px;border-radius:0 var(--radius) var(--radius) 0}
.notice-icon{width:48px;height:48px;border-radius:12px;background:#f6eee2;color:#9b6525;display:grid;place-items:center;font-size:21px;font-weight:800}
.notice-panel h3{font-size:19px;margin:0 0 7px}
.notice-panel p{margin:0;color:var(--muted);font-size:15px}
.faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:65px}
.faq-copy h2{font-size:34px;line-height:1.28;margin:8px 0 14px}
.faq-copy p{color:var(--muted);margin:0}
.faq-list{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;text-align:left;padding:20px 0;background:none;border:0;color:var(--ink);font-weight:600;font-size:16px}
.faq-question span{color:var(--jade);font-size:22px;line-height:1}
.faq-answer{display:none;color:var(--muted);font-size:15px;padding:0 35px 20px 0}
.faq-item.open .faq-answer{display:block}
.cta-band{background:var(--ink);color:#fff;padding:48px 0;position:relative;overflow:hidden}
.cta-band:after{content:"";position:absolute;width:350px;height:350px;border:1px solid rgba(117,205,187,.22);border-radius:50%;right:-150px;bottom:-250px}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:35px;position:relative;z-index:1}
.cta-inner h2{font-size:31px;line-height:1.3;margin:7px 0 0}
.cta-inner p{color:#cec7d4;margin:10px 0 0;max-width:660px}
.site-footer{background:#19131f;color:#fff;padding:55px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:48px;padding-bottom:40px}
.footer-brand{font-size:19px;font-weight:700;line-height:1.35}
.footer-grid h3{font-size:14px;color:#fff;margin:2px 0 12px}
.footer-grid a{display:block;color:#aaa1b0;font-size:14px;margin:8px 0;transition:.2s}
.footer-grid a:hover{color:#85d8c6}
.footer-bottom{padding-top:19px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#aaa1b0;font-size:13px}
.mobile-panel{display:none}
@media(max-width:1024px){
  .nav-wrap{gap:18px}.logo{min-width:215px}.main-nav{gap:15px}.main-nav a{font-size:13px}
  .guide-layout{grid-template-columns:250px 1fr}.path-grid{grid-template-columns:repeat(2,1fr)}
  .featured-grid{grid-template-columns:1fr}.featured-side{grid-template-columns:1fr 1fr}.footer-grid{gap:28px}
}
@media(max-width:768px){
  body{font-size:15px}.container{width:min(calc(100% - 32px),var(--container))}
  .site-header{height:68px}.nav-wrap{justify-content:space-between}.logo{min-width:0;max-width:245px}.logo-text{font-size:14px}
  .main-nav,.nav-action{display:none}.menu-toggle{display:block}
  .mobile-panel{position:fixed;z-index:70;inset:0;display:none;background:rgba(20,14,25,.48)}
  .mobile-panel.open{display:block}.mobile-menu{width:min(88%,340px);height:100%;padding:25px;background:var(--paper);box-shadow:15px 0 35px rgba(0,0,0,.22)}
  .mobile-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:25px}.mobile-close{border:0;background:none;font-size:28px;color:var(--ink)}
  .mobile-menu nav{display:grid;border-top:1px solid var(--line)}.mobile-menu nav a{padding:15px 0;border-bottom:1px solid var(--line);font-weight:600}.mobile-menu nav a.active{color:var(--jade-dark)}
  .mobile-menu .nav-action{display:flex;margin-top:24px;width:100%}
  .page-banner{padding:39px 0 38px}.page-banner-grid{grid-template-columns:1fr;gap:20px}.banner-tags{justify-content:flex-start}
  .page-banner p{font-size:16px}.section{padding:58px 0}.section-head{display:block;margin-bottom:24px}.section h2{font-size:28px}.section-intro{margin-top:12px}
  .info-strip-inner{grid-template-columns:1fr;gap:15px}.strip-points{justify-content:flex-start}
  .guide-layout{grid-template-columns:1fr}.guide-nav{position:static}.guide-nav h2{font-size:21px}.guide-item{grid-template-columns:45px 1fr;gap:14px;padding:18px}.guide-number{width:45px;height:45px}.guide-meta{display:none}
  .featured-main{min-height:265px;padding:25px}.featured-main h3{font-size:25px}.featured-side{grid-template-columns:1fr}
  .path-grid{grid-template-columns:1fr 1fr}.faq-wrap{grid-template-columns:1fr;gap:27px}.cta-inner{display:block}.cta-inner h2{font-size:27px}.cta-inner .btn{margin-top:23px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:520px){
  .logo-mark{width:32px;height:32px}.logo-text{font-size:13px}.page-banner h1{font-size:32px}.banner-tags span{font-size:11px}
  .guide-item h3{font-size:16px}.guide-item p{font-size:13px}.featured-main h3{font-size:23px}.path-grid{grid-template-columns:1fr}.path-card{min-height:165px}
  .notice-panel{grid-template-columns:1fr;padding:20px}.notice-icon{width:42px;height:42px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}
}

/* roulang page: category3 */
:root{
      --ink:#211a2b;--ink-2:#342b43;--jade:#168b78;--jade-dark:#0d685d;
      --amber:#c88939;--paper:#f7f5f0;--cream:#eeebe4;--white:#fff;
      --muted:#756f7a;--line:#ded9d0;--radius:14px;
      --shadow:0 14px 35px rgba(37,29,43,.08);--container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .site-header{height:76px;background:rgba(247,245,240,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:11px;min-width:245px;font-weight:700;line-height:1.15}
    .logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--jade);color:#fff;display:grid;place-items:center;font-size:19px}
    .logo-text{font-size:16px;letter-spacing:.2px}
    .main-nav{display:flex;align-items:center;gap:24px;flex:1}
    .main-nav a{font-size:14px;color:var(--muted);padding:25px 0 21px;border-bottom:2px solid transparent;transition:.2s;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--jade-dark);border-color:var(--jade)}
    .nav-action,.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;transition:.22s;font-weight:600}
    .nav-action{background:var(--ink);color:#fff;padding:11px 18px;font-size:14px;white-space:nowrap}
    .nav-action:hover{background:var(--jade-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:26px}
    .page-band{background:var(--ink);color:#fff;padding:58px 0 52px;position:relative;overflow:hidden}
    .page-band:after{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(117,205,187,.24);border-radius:50%;right:-110px;top:-170px}
    .band-inner{position:relative;z-index:1;max-width:760px}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:2px;color:#75cdbb;font-weight:700}
    .page-band h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-1.5px;margin:16px 0 17px}
    .page-band p{color:#d2ccd7;font-size:17px;max-width:720px;margin:0}
    .section{padding:68px 0}
    .section.alt{background:var(--cream)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
    .section h2{font-size:32px;line-height:1.25;letter-spacing:-.6px;margin:7px 0 0}
    .section-intro{color:var(--muted);max-width:610px}
    .info-strip{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:14px;margin-top:-25px;position:relative;z-index:2}
    .info-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow)}
    .info-card strong{display:block;font-size:19px;margin-bottom:6px}
    .info-card span{color:var(--muted);font-size:14px}
    .download-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:stretch}
    .download-panel{background:var(--ink-2);color:#fff;border-radius:16px;padding:34px;position:relative;overflow:hidden}
    .download-panel:before{content:"J9";position:absolute;right:25px;bottom:-35px;font-weight:800;font-size:150px;color:rgba(255,255,255,.045)}
    .download-panel h2{font-size:31px;margin:10px 0 13px;position:relative}
    .download-panel p{color:#d9d1df;max-width:560px;position:relative}
    .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin:24px 0;position:relative}
    .tag{display:inline-block;padding:6px 11px;border-radius:6px;background:#e5f3ef;color:var(--jade-dark);font-size:13px}
    .download-panel .tag{background:rgba(255,255,255,.13);color:#d7f2eb}
    .btn{padding:12px 21px;min-height:46px}
    .btn-primary{background:var(--jade);color:#fff}
    .btn-primary:hover{background:#1ca28d;transform:translateY(-2px);box-shadow:0 8px 18px rgba(22,139,120,.25)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:var(--jade-dark)}
    .device-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;display:flex;align-items:center;gap:26px}
    .phone{width:145px;height:245px;border:7px solid #292132;border-radius:25px;background:#e6f3ef;padding:10px;flex:none;box-shadow:0 15px 28px rgba(37,29,43,.15)}
    .phone-top{height:18px;width:55px;background:#292132;border-radius:0 0 10px 10px;margin:-10px auto 16px}
    .phone-screen{background:#fff;border-radius:12px;padding:12px;height:190px}
    .screen-label{font-size:11px;color:var(--jade-dark);font-weight:700}
    .screen-line{height:9px;background:#ddd7df;border-radius:4px;margin-top:14px}
    .screen-line.short{width:65%;background:#8dccbf}
    .device-copy h3{font-size:21px;margin:0 0 8px}
    .device-copy p{font-size:14px;color:var(--muted);margin:0 0 15px}
    .qr-box{width:104px;height:104px;border:1px dashed var(--jade);border-radius:9px;display:grid;place-items:center;text-align:center;color:var(--jade-dark);font-size:13px;background:#f4fbf8}
    .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;min-height:185px}
    .step-no{width:34px;height:34px;border-radius:9px;background:var(--jade);color:#fff;display:grid;place-items:center;font-weight:700}
    .step h3{font-size:18px;margin:18px 0 7px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .feature-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:27px;min-height:205px;transition:.2s}
    .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8d9d1}
    .feature-icon{font-size:25px;color:var(--jade);margin-bottom:12px}
    .feature-card h3{font-size:20px;margin:0 0 9px}
    .feature-card p{font-size:14px;color:var(--muted);margin:0}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}
    .news-item{display:grid;grid-template-columns:94px 1fr 28px;gap:20px;align-items:center;padding:21px 24px;border-bottom:1px solid var(--line);transition:.2s}
    .news-item:last-child{border:0}
    .news-item:hover{background:#fcfbf8}
    .news-date{font-size:13px;color:var(--amber);font-weight:700}
    .news-item h3{font-size:17px;margin:0 0 3px}
    .news-item p{font-size:13px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .news-arrow{color:var(--jade);font-size:21px}
    .empty-state{padding:32px;text-align:center;color:var(--muted)}
    .notice{border-left:4px solid var(--amber);background:#fff;border-radius:0 12px 12px 0;padding:22px 25px;color:var(--muted)}
    .notice strong{color:var(--ink);display:block;margin-bottom:5px}
    .faq-list{max-width:850px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;text-align:left;padding:19px 0;background:none;border:0;color:var(--ink);font-weight:600;font-size:17px}
    .faq-question span{color:var(--jade);font-size:22px}
    .faq-answer{display:none;color:var(--muted);font-size:15px;padding:0 35px 20px 0}
    .faq-item.open .faq-answer{display:block}
    .cta-band{background:var(--jade);color:#fff;border-radius:16px;padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-band h2{font-size:27px;margin:0 0 6px}
    .cta-band p{margin:0;color:#d9f0ea}
    .cta-band .btn{background:#fff;color:var(--jade-dark)}
    .site-footer{background:var(--ink);color:#fff;padding:52px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px}
    .footer-brand{font-size:18px;font-weight:700}
    .site-footer h3{font-size:15px;margin:0 0 14px}
    .site-footer a{display:block;color:#aaa1b0;font-size:14px;margin:8px 0;transition:.2s}
    .site-footer a:hover{color:#75cdbb}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;color:#aaa1b0;font-size:13px}
    :focus-visible{outline:3px solid rgba(22,139,120,.35);outline-offset:3px}
    @media(max-width:1024px){
      .nav-wrap{gap:18px}.logo{min-width:205px}.main-nav{gap:15px}
      .main-nav a{font-size:13px}.nav-action{padding:10px 13px}
      .info-strip,.download-grid{grid-template-columns:1fr 1fr}.info-card:first-child{grid-column:1/-1}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .site-header{height:68px}.logo{min-width:0;flex:1}.logo-text{font-size:14px}
      .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 20px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .main-nav.open{display:flex}.main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
      .nav-action{display:none}.menu-toggle{display:block}
      .page-band{padding:43px 0 40px}.page-band h1{font-size:36px}
      .section{padding:50px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .info-strip,.download-grid,.feature-grid{grid-template-columns:1fr}.info-card:first-child{grid-column:auto}
      .device-card{align-items:flex-start}.step-grid{grid-template-columns:1fr 1fr}
      .cta-band{display:block;padding:28px}.cta-band .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .phone{width:120px;height:210px}.phone-screen{height:157px}.qr-box{width:82px;height:82px}
      .device-card{gap:15px;padding:19px}.device-copy h3{font-size:18px}
      .step-grid{grid-template-columns:1fr}.news-item{grid-template-columns:1fr 24px;gap:3px 10px;padding:18px}
      .news-date{grid-column:1/-1}.news-item p{white-space:normal}.footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category4 */
:root{
  --ink:#211a2b;--ink-2:#342b43;--jade:#168b78;--jade-dark:#0d685d;
  --amber:#c88939;--paper:#f7f5f0;--cream:#eeebe4;--white:#fff;
  --muted:#756f7a;--line:#ded9d0;--radius:14px;--shadow:0 14px 35px rgba(37,29,43,.08);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.site-header{height:76px;background:rgba(247,245,240,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;backdrop-filter:blur(8px)}
.nav-wrap{height:100%;display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:center;gap:11px;min-width:245px;font-weight:700;line-height:1.15}
.logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--jade);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800}
.logo-text{font-size:16px;letter-spacing:.1px}
.main-nav{display:flex;align-items:center;gap:24px;flex:1}
.main-nav a{font-size:14px;color:var(--muted);padding:25px 0 21px;border-bottom:2px solid transparent;transition:.2s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--jade-dark);border-color:var(--jade)}
.nav-action,.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;transition:.22s;font-weight:600}
.nav-action{background:var(--ink);color:#fff;padding:11px 18px;font-size:14px;white-space:nowrap}
.nav-action:hover{background:var(--jade-dark);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:26px;padding:4px}
.page-banner{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:58px 0 54px}
.page-banner:before{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(117,205,187,.2);border-radius:50%;right:-120px;top:-320px}
.page-banner:after{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(200,137,57,.4);border-radius:50%;right:22%;bottom:-118px}
.banner-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;align-items:end;gap:30px}
.breadcrumb{display:flex;gap:9px;align-items:center;font-size:13px;color:#cfc7d6;margin-bottom:15px}
.breadcrumb a:hover{color:#75cdbb}
.breadcrumb i{font-style:normal;color:#75cdbb}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:1.8px;color:#75cdbb;font-weight:700}
.page-banner h1{font-size:clamp(32px,4.2vw,52px);line-height:1.18;letter-spacing:-1.3px;margin:11px 0 0}
.banner-note{max-width:300px;padding:13px 16px;border-left:2px solid var(--amber);color:#d9d3dd;font-size:14px;background:rgba(255,255,255,.05)}
.section{padding:76px 0}
.section.alt{background:var(--cream)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:29px}
.section h2{font-size:clamp(26px,3vw,35px);line-height:1.28;letter-spacing:-.7px;margin:7px 0 0}
.section-intro{max-width:550px;color:var(--muted);margin:0;font-size:15px}
.info-strip{margin-top:-23px;position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.info-cell{background:var(--white);padding:21px 25px}
.info-cell strong{display:block;font-size:15px;margin-bottom:5px}
.info-cell span{display:block;font-size:14px;color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:6px;background:#e5f3ef;color:var(--jade-dark);border-radius:6px;padding:5px 9px;font-size:12px;font-weight:700}
.badge.amber{background:#f6ecdd;color:#9a6423}
.badge.ink{background:#eeeaf1;color:var(--ink-2)}
.notice-layout{display:grid;grid-template-columns:190px 1fr;gap:32px;align-items:start}
.notice-rail{position:sticky;top:104px;padding:20px 0}
.notice-rail h3{font-size:19px;line-height:1.4;margin:0 0 12px}
.notice-rail p{font-size:14px;color:var(--muted);margin:0}
.notice-stack{background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.notice-item{display:grid;grid-template-columns:104px 1fr auto;gap:22px;align-items:center;padding:24px;border-bottom:1px solid var(--line);transition:.22s}
.notice-item:last-child{border-bottom:0}
.notice-item:hover{background:#fcfbf8}
.notice-date{font-size:13px;color:var(--muted);padding-left:14px;border-left:3px solid var(--amber)}
.notice-date strong{display:block;font-size:18px;color:var(--ink);line-height:1.35}
.notice-copy h3{font-size:18px;margin:8px 0 5px;line-height:1.45}
.notice-copy p{margin:0;color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.notice-link{color:var(--jade);font-size:22px;padding:8px;transition:.2s}
.notice-item:hover .notice-link{transform:translateX(4px)}
.empty-state{padding:44px 28px;text-align:center;color:var(--muted);background:var(--white);border:1px solid var(--line);border-radius:16px}
.more-row{padding-top:22px;text-align:right}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--jade-dark);font-weight:700;border-bottom:1px solid rgba(13,104,93,.35);padding-bottom:3px}
.text-link:hover{color:var(--jade);border-color:var(--jade)}
.feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.feature-primary{background:var(--jade);color:#fff;padding:34px;border-radius:16px;min-height:280px;display:flex;flex-direction:column;justify-content:space-between}
.feature-primary .section-kicker{color:#c8eee5}
.feature-primary h3{font-size:28px;line-height:1.35;margin:12px 0}
.feature-primary p{color:#d7efe9;margin:0;max-width:620px}
.feature-points{display:flex;gap:9px;flex-wrap:wrap;margin-top:28px}
.feature-points span{font-size:13px;padding:6px 10px;border-radius:6px;background:rgba(255,255,255,.16)}
.feature-side{display:grid;gap:18px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:.22s}
.mini-card:hover{border-color:#b9d8d0;box-shadow:var(--shadow);transform:translateY(-3px)}
.mini-card h3{font-size:18px;margin:11px 0 7px}
.mini-card p{color:var(--muted);font-size:14px;margin:0}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:22px 18px;min-height:154px}
.topic-num{color:var(--amber);font-size:13px;font-weight:800;letter-spacing:1px}
.topic-card h3{font-size:17px;margin:13px 0 5px}
.topic-card p{margin:0;color:var(--muted);font-size:13px}
.update-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;background:var(--ink-2);color:#fff;border-radius:17px;overflow:hidden}
.update-side{padding:34px;background:#2b2237;position:relative}
.update-side:after{content:"";position:absolute;width:160px;height:160px;border:1px solid rgba(117,205,187,.22);border-radius:50%;right:-75px;bottom:-72px}
.update-side h2{position:relative;z-index:1;font-size:30px;margin:9px 0 13px}
.update-side p{position:relative;z-index:1;color:#d5cfdb;font-size:15px;margin:0}
.update-list{padding:21px 31px}
.update-row{padding:17px 0;border-bottom:1px solid rgba(255,255,255,.12);display:flex;gap:15px;align-items:flex-start}
.update-row:last-child{border-bottom:0}
.update-mark{width:9px;height:9px;border-radius:50%;background:var(--amber);margin-top:9px;flex:0 0 auto}
.update-row strong{display:block;font-size:16px;margin-bottom:2px}
.update-row span{display:block;color:#cfc8d6;font-size:14px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:15px;padding:26px 23px 24px}
.step-no{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;background:#eeeaf1;color:var(--jade-dark);font-size:13px;font-weight:800;margin-bottom:20px}
.step h3{font-size:18px;margin:0 0 8px}
.step p{color:var(--muted);font-size:14px;margin:0}
.step:not(:last-child):after{content:"";position:absolute;right:-18px;top:50%;width:18px;border-top:1px dashed #beb7c2}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px}
.faq-intro h2{font-size:34px;line-height:1.28;margin:9px 0 13px}
.faq-intro p{color:var(--muted);margin:0}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:19px 0;background:none;border:0;color:var(--ink);font-weight:700;font-size:16px;gap:18px}
.faq-question span{color:var(--jade);font-size:22px;font-weight:400;transition:.2s}
.faq-answer{display:none;color:var(--muted);font-size:15px;padding:0 35px 20px 0}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span{transform:rotate(45deg)}
.cta-band{background:var(--jade);color:#fff;border-radius:17px;padding:37px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-band h2{font-size:30px;line-height:1.3;margin:0 0 8px}
.cta-band p{margin:0;color:#d9f0ea}
.btn{min-height:46px;padding:12px 21px}
.btn-light{background:#fff;color:var(--jade-dark)}
.btn-light:hover{background:#f3fffb;transform:translateY(-2px);box-shadow:0 8px 18px rgba(0,0,0,.14)}
.site-footer{background:#211a2b;color:#fff;padding:54px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:55px;padding-bottom:40px}
.footer-brand{font-size:18px;font-weight:700;line-height:1.35}
.site-footer h3{font-size:14px;color:#d9d3df;margin:2px 0 14px}
.site-footer a{display:block;color:#aaa1b0;font-size:14px;margin:8px 0;transition:.2s}
.site-footer a:hover{color:#75cdbb}
.footer-bottom{padding-top:20px;border-top:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:18px;color:#aaa1b0;font-size:13px}
@media(max-width:1024px){
  .nav-wrap{gap:18px}.logo{min-width:210px}.main-nav{gap:15px}
  .main-nav a{font-size:13px}.notice-layout{grid-template-columns:150px 1fr}
  .topic-grid{grid-template-columns:repeat(2,1fr)}.faq-wrap{gap:35px}
}
@media(max-width:768px){
  body{font-size:15px}.container{width:min(calc(100% - 32px),var(--container))}
  .site-header{height:68px}.nav-wrap{justify-content:space-between}.logo{min-width:0;max-width:250px}
  .logo-text{font-size:14px}.main-nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--paper);padding:10px 22px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
  .main-nav.open{display:flex}.main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-action{display:none}.menu-toggle{display:block}.page-banner{padding:39px 0 38px}
  .banner-inner{grid-template-columns:1fr}.banner-note{max-width:none}.section{padding:56px 0}.section-head{display:block;margin-bottom:23px}.section-intro{margin-top:12px}
  .info-strip{margin-top:-17px;grid-template-columns:1fr}.info-cell{padding:16px 19px}
  .notice-layout{grid-template-columns:1fr;gap:18px}.notice-rail{position:static;padding:0}.notice-item{grid-template-columns:82px 1fr auto;gap:14px;padding:19px 16px}
  .notice-copy h3{font-size:16px}.feature-grid,.update-panel,.faq-wrap{grid-template-columns:1fr}.feature-primary{min-height:auto;padding:28px}.feature-side{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}.step:not(:last-child):after{display:none}.topic-grid{grid-template-columns:1fr 1fr}.update-list{padding:17px 23px}.cta-band{display:block;padding:30px}.cta-band .btn{margin-top:20px;width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}
}
@media(max-width:520px){
  .logo-mark{width:31px;height:31px}.logo-text{font-size:13px}.page-banner h1{font-size:31px}
  .notice-item{grid-template-columns:1fr auto}.notice-date{grid-column:1/-1;padding-left:10px}.notice-link{grid-column:2;grid-row:2}
  .feature-side,.topic-grid{grid-template-columns:1fr}.feature-primary h3,.update-side h2,.faq-intro h2,.cta-band h2{font-size:25px}
  .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
}