/* roulang page: index */
:root{
  --orange:#f26a32;
  --orange-deep:#d94d1d;
  --amber:#ffb14a;
  --ink:#211c2d;
  --purple:#332542;
  --purple-2:#49325c;
  --cream:#fbf8f2;
  --paper:#fffdf9;
  --mist:#f1eee9;
  --muted:#766f79;
  --line:#e8e0d8;
  --teal:#4d8d85;
  --shadow:0 18px 50px rgba(43,29,39,.09);
  --radius:18px;
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{border:0;cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,242,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,224,216,.8)}
.navbar{height:78px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;min-width:230px;font-weight:800;letter-spacing:-.03em;font-size:20px}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 8px 18px rgba(242,106,50,.25)}
.nav-links{display:flex;align-items:center;justify-content:center;gap:5px;flex:1}
.nav-links a{position:relative;padding:9px 12px;color:#655c66;font-size:14px;white-space:nowrap;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--orange-deep)}
.nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;border-radius:3px;background:var(--orange)}
.nav-download{background:var(--ink)!important;color:#fff!important;border-radius:10px;padding:11px 17px!important}
.nav-download:hover{background:var(--orange)!important;transform:translateY(-2px)}
.menu-toggle{display:none;background:transparent;color:var(--ink);font-size:24px}
.hero{background:var(--purple);color:#fff;overflow:hidden;position:relative}
.hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(255,177,74,.28);border-radius:50%;pointer-events:none}
.hero:before{width:480px;height:480px;right:-150px;top:-240px}
.hero:after{width:280px;height:280px;left:-160px;bottom:-190px}
.hero-inner{min-height:585px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:55px;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffc276;font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:18px}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
.hero h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-.055em;max-width:680px}
.hero h1 em{font-style:normal;color:#ffb354}
.hero-lead{color:#d8cfd9;max-width:570px;margin:22px 0 30px;font-size:17px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:13px 20px;font-weight:700;transition:.25s;border:1px solid transparent}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 20px rgba(242,106,50,.23)}
.btn-primary:hover{background:#ff7b3c;transform:translateY(-3px)}
.btn-secondary{border-color:rgba(255,255,255,.28);color:#fff}
.btn-secondary:hover{border-color:var(--amber);color:var(--amber)}
.btn:focus,.nav-links a:focus,.menu-toggle:focus,input:focus,summary:focus{outline:3px solid rgba(255,177,74,.55);outline-offset:3px}
.hero-notes{display:flex;gap:20px;margin-top:38px;color:#c0b4c4;font-size:13px}
.hero-notes span{display:flex;align-items:center;gap:7px}
.hero-notes b{width:7px;height:7px;border-radius:50%;background:var(--teal)}
.visual-stage{height:380px;position:relative}
.arc{position:absolute;width:330px;height:330px;border:1px solid rgba(255,255,255,.13);border-radius:50%;right:38px;top:20px}
.arc:after{content:"";position:absolute;width:12px;height:12px;background:var(--amber);border-radius:50%;top:35px;right:32px;box-shadow:0 0 0 10px rgba(255,177,74,.12)}
.console{position:absolute;right:5px;top:65px;width:385px;height:265px;background:#17131e;border:1px solid rgba(255,255,255,.2);border-radius:22px;padding:20px;box-shadow:22px 26px 0 rgba(0,0,0,.14),0 25px 55px rgba(0,0,0,.32);transform:rotate(4deg)}
.console-top{display:flex;justify-content:space-between;color:#a79cae;font-size:11px;margin-bottom:20px}
.console-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--orange);margin-right:5px}
.screen{height:160px;border-radius:14px;background:linear-gradient(135deg,#5a2c45,#df6233 52%,#ffbc5b);position:relative;overflow:hidden;padding:22px}
.screen:before{content:"PG";font-size:95px;font-weight:900;line-height:1;color:rgba(255,255,255,.14);position:absolute;right:10px;bottom:-15px}
.screen h3{font-size:25px;position:relative}
.screen p{font-size:12px;color:#ffe8cd;position:relative;margin-top:5px}
.screen-bar{width:115px;height:7px;border-radius:9px;background:#fff;margin-top:22px;opacity:.8}
.control-row{display:flex;gap:10px;margin-top:15px}
.control-row i{display:block;width:31px;height:8px;border-radius:5px;background:#4c4050}
.floating-card{position:absolute;left:15px;bottom:20px;background:#fff;color:var(--ink);border-radius:15px;padding:15px 17px;width:190px;box-shadow:var(--shadow);transform:rotate(-5deg)}
.floating-card small{display:block;color:var(--muted);font-size:11px}
.floating-card strong{display:block;font-size:16px;margin-top:4px}
.section{padding:100px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:38px}
.kicker{color:var(--orange-deep);font-size:13px;font-weight:800;letter-spacing:.1em}
.section h2{font-size:clamp(28px,3.5vw,43px);line-height:1.25;letter-spacing:-.04em;margin-top:7px}
.section-intro{color:var(--muted);max-width:530px}
.intro-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:24px;align-items:stretch}
.info-panel{background:#f2e7dd;border-radius:24px;padding:35px;position:relative;overflow:hidden;min-height:350px}
.info-panel:after{content:"PG";position:absolute;right:-20px;bottom:-45px;color:rgba(242,106,50,.12);font-size:190px;font-weight:900;line-height:1}
.info-panel h3{font-size:28px;line-height:1.35;position:relative;z-index:1;max-width:300px}
.info-panel p{color:#71636a;margin-top:15px;max-width:350px;position:relative;z-index:1}
.info-list{display:grid;gap:14px;margin-top:30px;position:relative;z-index:1}
.info-list div{display:flex;gap:12px;align-items:center;font-size:14px;font-weight:700}
.tick{width:25px;height:25px;border-radius:8px;background:#fff;color:var(--orange);display:grid;place-items:center}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.feature-card{background:var(--paper);border:1px solid var(--line);padding:26px;border-radius:16px;transition:.25s}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f0b091}
.feature-card:nth-child(2){background:var(--purple);color:#fff}
.feature-card:nth-child(2) p{color:#d3c6d5}
.feature-icon{width:39px;height:39px;background:#fff0e8;color:var(--orange-deep);border-radius:11px;display:grid;place-items:center;font-weight:800;margin-bottom:20px}
.feature-card:nth-child(2) .feature-icon{background:rgba(255,255,255,.13);color:#ffc276}
.feature-card h3{font-size:18px;margin-bottom:8px}
.feature-card p{color:var(--muted);font-size:14px;line-height:1.75}
.process{background:var(--mist)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{padding:25px 22px;border-top:3px solid var(--orange);background:var(--paper);border-radius:0 0 15px 15px}
.step-num{font-size:13px;color:var(--orange-deep);font-weight:900;letter-spacing:.08em}
.step h3{margin:20px 0 7px;font-size:18px}
.step p{font-size:14px;color:var(--muted)}
.download-wrap{padding:0 0 100px}
.download-panel{background:var(--ink);color:#fff;border-radius:25px;min-height:310px;padding:42px 48px;display:grid;grid-template-columns:1.15fr .85fr;gap:25px;align-items:center;overflow:hidden;position:relative}
.download-panel:after{content:"";position:absolute;width:370px;height:370px;border:1px solid rgba(255,177,74,.22);border-radius:50%;right:-80px;top:-125px}
.download-panel h2{font-size:35px;line-height:1.3;max-width:500px}
.download-panel p{color:#c9c0c9;margin:14px 0 22px;max-width:520px}
.download-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;color:#aaa0ad;font-size:12px}
.download-meta span{border:1px solid #504653;padding:5px 9px;border-radius:7px}
.device-area{height:220px;position:relative;z-index:1}
.phone{position:absolute;right:90px;top:0;width:130px;height:235px;background:#2c2431;border:6px solid #514455;border-radius:24px;padding:9px;transform:rotate(9deg);box-shadow:18px 18px 0 rgba(0,0,0,.2)}
.phone-screen{height:100%;border-radius:15px;background:linear-gradient(160deg,#e96b39,#562d51);padding:18px 9px;color:#fff;font-size:12px}
.phone-screen b{font-size:27px;display:block;margin-top:22px}
.qr-box{position:absolute;right:0;bottom:6px;width:105px;height:105px;background:#fff;border-radius:12px;padding:10px;color:var(--ink);text-align:center;font-size:11px;box-shadow:0 9px 20px rgba(0,0,0,.2)}
.qr-pattern{height:55px;background:repeating-linear-gradient(45deg,#211c2d 0 4px,#fff 4px 8px);margin-bottom:4px}
.status-note{font-size:12px;color:#b9aebc;margin-top:12px}
.news-section{background:var(--paper)}
.news-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:26px}
.feature-news{background:var(--purple);border-radius:20px;padding:31px;color:#fff;min-height:300px;display:flex;flex-direction:column;justify-content:space-between}
.feature-news .tag{color:#ffc276}
.tag{font-size:12px;font-weight:800;color:var(--orange-deep);letter-spacing:.05em}
.feature-news h3{font-size:28px;line-height:1.4;margin:15px 0}
.feature-news p{font-size:14px;color:#d2c5d4}
.news-list{display:grid;gap:10px}
.news-item{display:grid;grid-template-columns:100px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.news-item time{font-size:12px;color:var(--muted)}
.news-item h3{font-size:16px}
.news-item p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-arrow{font-size:20px;color:var(--orange)}
.category-section{padding-top:100px}
.category-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:15px}
.category-card{padding:25px;border-radius:17px;background:#fff;border:1px solid var(--line);min-height:150px;transition:.25s}
.category-card:nth-child(1){grid-row:span 2;background:#f5e3d8}
.category-card:nth-child(4){background:var(--teal);color:#fff}
.category-card:nth-child(4) p{color:#dcefeb}
.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.category-card h3{font-size:19px;margin:13px 0 5px}
.category-card p{font-size:13px;color:var(--muted)}
.faq{background:#f3eee8}
.faq-list{max-width:850px;margin:auto;border-top:1px solid #d9d0c8}
details{border-bottom:1px solid #d9d0c8;padding:21px 0}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;font-weight:700;font-size:17px}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--orange);font-size:22px;line-height:1}
details[open] summary:after{content:"－"}
details p{color:var(--muted);padding:13px 35px 0 0;font-size:15px}
.final-cta{padding:75px 0;background:var(--orange);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.final-cta h2{font-size:35px;line-height:1.3}
.final-cta p{color:#ffe3d6;margin-top:6px}
.final-cta .btn{background:#fff;color:var(--orange-deep)}
.final-cta .btn:hover{background:var(--ink);color:#fff}
.site-footer{background:var(--ink);color:#fff;padding:55px 0 25px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px;padding-bottom:45px}
.footer-brand p{color:#aaa0ad;max-width:310px;margin-top:15px;font-size:14px}
.footer-col h3{font-size:14px;margin-bottom:16px;color:#ffc276}
.footer-col a,.footer-col span{display:block;color:#bdb3c0;font-size:13px;margin:8px 0;transition:.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid #403746;padding-top:20px;display:flex;justify-content:space-between;color:#918693;font-size:12px;gap:20px}
.back-top{color:#ffc276}
@media(max-width:1024px){
  .navbar{gap:14px}.brand{min-width:190px}.nav-links a{padding:8px 7px;font-size:13px}
  .hero-inner{gap:25px}.console{right:0}.phone{right:65px}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,var(--max))}
  .navbar{height:68px}.brand{min-width:0;font-size:17px}.brand-mark{width:34px;height:34px}
  .menu-toggle{display:block;margin-left:auto}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 16px 20px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}.nav-links a{padding:12px 10px}.nav-links a.active:after{left:10px;right:auto;width:32px;bottom:5px}
  .nav-download{display:none!important}
  .hero-inner{grid-template-columns:1fr;padding:70px 0 55px;min-height:auto}.hero h1{font-size:40px}.hero-lead{font-size:16px}
  .visual-stage{height:320px;margin-top:10px}.console{width:340px;right:0;top:42px}.floating-card{left:0;bottom:5px}
  .section{padding:70px 0}.section-head{display:block;margin-bottom:26px}.section-intro{margin-top:12px}
  .intro-grid,.news-layout{grid-template-columns:1fr}.process-grid{grid-template-columns:1fr 1fr}
  .download-wrap{padding-bottom:70px}.download-panel{grid-template-columns:1fr;padding:34px 27px}.device-area{margin-top:10px}
  .category-grid{grid-template-columns:1fr 1fr}.category-card:nth-child(1){grid-row:auto;grid-column:span 2}
  .cta-inner{display:block}.final-cta .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:520px){
  body{font-size:15px}.hero h1{font-size:34px}.hero-notes{gap:10px;flex-wrap:wrap}
  .visual-stage{height:275px}.console{width:285px;height:215px;padding:14px}.screen{height:125px;padding:15px}.screen h3{font-size:19px}.screen-bar{margin-top:13px}
  .floating-card{width:170px;padding:11px 13px}.feature-grid,.process-grid,.category-grid{grid-template-columns:1fr}
  .category-card:nth-child(1){grid-column:auto}.download-panel h2{font-size:27px}.phone{right:48px;width:112px;height:205px}.qr-box{right:-4px;width:88px;height:88px;padding:7px}.qr-pattern{height:47px}
  .news-item{grid-template-columns:1fr auto;gap:2px 12px}.news-item time{grid-column:1}.news-item p{grid-column:1}.news-arrow{grid-column:2;grid-row:1 / span 2}
  .footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom .back-top{display:block;margin-top:10px}
}

/* roulang page: article */
:root{
      --orange:#f26a32;--orange-deep:#d94d1d;--amber:#ffb14a;--ink:#211c2d;
      --purple:#332542;--purple-2:#49325c;--cream:#fbf8f2;--paper:#fffdf9;
      --mist:#f1eee9;--muted:#766f79;--line:#e8e0d8;--teal:#4d8d85;
      --shadow:0 18px 50px rgba(43,29,39,.09);--radius:18px;--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--cream);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--orange-deep)}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,242,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,224,216,.85)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:230px;font-weight:800;letter-spacing:-.03em;font-size:20px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 8px 18px rgba(242,106,50,.25)}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:5px;flex:1}
    .nav-links a{position:relative;padding:9px 12px;color:#655c66;font-size:14px;white-space:nowrap;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-deep)}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;border-radius:3px;background:var(--orange)}
    .nav-download{background:var(--ink)!important;color:#fff!important;border-radius:10px;padding:11px 17px!important}
    .nav-download:hover{background:var(--orange)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:13px 20px;font-weight:700;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 20px rgba(242,106,50,.23)}
    .btn-primary:hover{background:#ff7b3c;color:#fff;transform:translateY(-3px)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
    .btn:focus,.nav-links a:focus,.menu-toggle:focus,summary:focus{outline:3px solid rgba(255,177,74,.55);outline-offset:3px}
    .article-hero{background:var(--purple);color:#fff;padding:76px 0 84px;position:relative;overflow:hidden}
    .article-hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(255,177,74,.24);border-radius:50%;right:-130px;top:-210px}
    .article-hero-inner{position:relative;z-index:1;max-width:920px}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:#c8bdcb;font-size:13px;margin-bottom:26px;flex-wrap:wrap}
    .breadcrumb a:hover{color:var(--amber)}
    .crumb-sep{color:#806d86}
    .article-tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:7px;background:rgba(255,177,74,.14);color:#ffc276;font-size:12px;font-weight:800;margin-bottom:18px}
    .article-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.25;letter-spacing:-.045em;margin:0;max-width:900px}
    .article-meta{display:flex;align-items:center;gap:18px;color:#c8bdcb;font-size:14px;margin-top:23px;flex-wrap:wrap}
    .meta-dot{width:5px;height:5px;border-radius:50%;background:var(--orange)}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 260px;gap:54px;align-items:start;padding:76px 0 100px}
    .article-body{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:clamp(25px,5vw,58px);box-shadow:0 12px 40px rgba(43,29,39,.045);min-width:0}
    .article-body h2{font-size:30px;line-height:1.35;margin:38px 0 16px;letter-spacing:-.03em}
    .article-body h3{font-size:22px;line-height:1.45;margin:30px 0 12px}
    .article-body p{margin:0 0 20px;color:#514953}
    .article-body ul,.article-body ol{padding-left:25px;margin:18px 0 25px;color:#514953}
    .article-body li{margin:8px 0}
    .article-body img{border-radius:15px;margin:28px auto;width:auto}
    .article-body blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--orange);background:#fff2eb;color:#65545a;border-radius:0 12px 12px 0}
    .article-body table{width:100%;border-collapse:collapse;margin:25px 0;font-size:14px}
    .article-body th,.article-body td{padding:12px;border:1px solid var(--line);text-align:left}
    .article-body th{background:var(--mist);font-weight:700}
    .empty-state{text-align:center;padding:50px 20px;border:1px dashed #d9cfc7;border-radius:15px;background:#fffaf4}
    .empty-state h2{margin:0 0 10px;font-size:25px}
    .empty-state p{margin-bottom:22px}
    .side-card{position:sticky;top:105px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:22px}
    .side-card h2{font-size:17px;margin:0 0 15px}
    .side-card ul{list-style:none;padding:0;margin:0}
    .side-card li{border-top:1px solid var(--line);padding:11px 0;font-size:14px;color:var(--muted)}
    .side-card li:first-child{border-top:0}
    .side-card a{display:block}
    .after-article{background:var(--mist);padding:70px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange-deep);font-size:13px;font-weight:800;letter-spacing:.06em}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    .section h2{font-size:clamp(28px,3.5vw,42px);line-height:1.25;letter-spacing:-.04em;margin:8px 0 0}
    .section-intro{color:var(--muted);max-width:520px}
    .help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .help-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px;transition:.25s}
    .help-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#f0b091}
    .help-card .tag{color:var(--orange-deep);font-size:12px;font-weight:800}
    .help-card h3{font-size:18px;line-height:1.45;margin:13px 0 8px}
    .help-card p{font-size:14px;color:var(--muted);margin:0 0 15px}
    .help-card span{color:var(--orange);font-weight:800}
    .site-footer{background:var(--purple);color:#fff;padding:58px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px;padding-bottom:42px}
    .footer-brand .brand{margin-bottom:16px}
    .footer-brand p{color:#cbbfce;max-width:330px;font-size:14px;margin:0}
    .footer-col{display:flex;flex-direction:column;gap:10px}
    .footer-col h3{font-size:15px;margin:5px 0 8px;color:#ffc276}
    .footer-col a,.footer-col span{color:#cbbfce;font-size:14px}
    .footer-col a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#aa9cad;font-size:13px}
    .back-top{color:#ffc276}
    .back-top:hover{color:#fff}
    @media(max-width:1024px){
      .navbar{gap:14px}.brand{min-width:190px}.nav-links a{padding:8px 7px;font-size:13px}
      .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navbar{height:70px}.brand{min-width:0;font-size:18px}.brand-mark{width:35px;height:35px}
      .menu-toggle{display:block;margin-left:auto;order:3}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:78px;background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{left:14px;right:auto;width:30px;bottom:5px}
      .nav-download{order:2;padding:9px 12px!important;font-size:13px!important}
      .article-hero{padding:52px 0 60px}.article-layout{display:block;padding:42px 0 65px}.side-card{position:static;margin-top:25px}
      .help-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:480px){
      .brand span:last-child{max-width:130px;line-height:1.2}.nav-download{display:none}
      .article-hero h1{font-size:34px}.article-body{padding:23px 19px}.article-body h2{font-size:26px}
      .footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.back-top{display:inline-block;margin-top:10px}
    }

/* roulang page: category1 */
:root{
      --orange:#f26a32;--orange-deep:#d94d1d;--amber:#ffb14a;--ink:#211c2d;
      --purple:#332542;--purple-2:#49325c;--cream:#fbf8f2;--paper:#fffdf9;
      --mist:#f1eee9;--muted:#766f79;--line:#e8e0d8;--teal:#4d8d85;
      --shadow:0 18px 50px rgba(43,29,39,.09);--radius:18px;--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(251,248,242,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,224,216,.85)}
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:220px;font-weight:800;letter-spacing:-.03em;font-size:20px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 8px 18px rgba(242,106,50,.25)}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:4px;flex:1}
    .nav-links a{position:relative;padding:9px 11px;color:#655c66;font-size:14px;white-space:nowrap;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-deep)}
    .nav-links a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:1px;height:3px;border-radius:3px;background:var(--orange)}
    .nav-download{background:var(--ink)!important;color:#fff!important;border-radius:10px;padding:11px 17px!important}
    .nav-download:hover{background:var(--orange)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:13px 20px;font-weight:700;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 20px rgba(242,106,50,.23)}
    .btn-primary:hover{background:#ff7b3c;color:#fff;transform:translateY(-3px)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);color:var(--ink)}
    .btn-outline:hover{border-color:var(--orange);color:var(--orange-deep)}
    .btn:focus,.nav-links a:focus,.menu-toggle:focus,input:focus,summary:focus{outline:3px solid rgba(255,177,74,.55);outline-offset:3px}
    .sub-hero{background:var(--purple);color:#fff;padding:86px 0 92px;position:relative;overflow:hidden}
    .sub-hero:after{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(255,177,74,.28);border-radius:50%;right:-100px;top:-160px}
    .sub-hero-inner{position:relative;z-index:1;max-width:820px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffc276;font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:17px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    .sub-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.18;letter-spacing:-.055em;margin-bottom:22px}
    .sub-hero h1 em{font-style:normal;color:#ffb354}
    .sub-hero p{color:#d8cfd9;max-width:680px;font-size:17px;margin-bottom:30px}
    .crumbs{color:#9f91a3;font-size:13px;margin-bottom:28px}
    .crumbs a:hover{color:var(--amber)}
    .section{padding:92px 0}
    .section.paper{background:var(--paper)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:36px}
    .section-kicker{font-size:12px;font-weight:800;color:var(--orange-deep);letter-spacing:.08em}
    .section h2{font-size:clamp(28px,3.5vw,43px);line-height:1.25;letter-spacing:-.04em;margin:8px 0 0}
    .section-intro{color:var(--muted);max-width:540px}
    .overview-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:25px;align-items:stretch}
    .overview-panel{background:var(--purple);color:#fff;border-radius:22px;padding:34px;position:relative;overflow:hidden}
    .overview-panel:before{content:"PG";position:absolute;right:22px;bottom:-28px;font-size:150px;font-weight:900;color:rgba(255,255,255,.05)}
    .overview-panel h3{font-size:27px;line-height:1.35;max-width:380px}
    .overview-panel p{color:#d5c8d7;font-size:15px;max-width:430px}
    .panel-list{display:grid;gap:13px;margin-top:28px;position:relative;z-index:1}
    .panel-list div{display:flex;gap:12px;align-items:flex-start;color:#eee5ef;font-size:14px}
    .panel-list b{display:grid;place-items:center;width:22px;height:22px;flex:none;border-radius:7px;background:var(--orange);font-size:12px}
    .interface-card{background:var(--mist);border-radius:22px;padding:25px;min-height:340px;position:relative;overflow:hidden}
    .sim-window{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 14px 30px rgba(43,29,39,.08);height:280px;overflow:hidden}
    .window-bar{height:42px;background:#f8f4ee;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:7px;padding:0 16px}
    .window-bar i{width:8px;height:8px;border-radius:50%;background:#e7a07c}
    .window-bar i:nth-child(2){background:#e6c17b}.window-bar i:nth-child(3){background:#8bb7a8}
    .window-body{display:grid;grid-template-columns:115px 1fr;height:238px}
    .window-side{background:var(--purple);padding:18px 12px;color:#d6c8d8;font-size:12px}
    .window-side strong{display:block;color:#fff;margin-bottom:20px;font-size:15px}
    .window-side span{display:block;padding:8px 7px;border-radius:7px;margin:4px 0}
    .window-side span:first-of-type{background:rgba(242,106,50,.9);color:#fff}
    .window-main{padding:22px;background:linear-gradient(135deg,#fff9f0,#f5ece8)}
    .screen-title{font-size:23px;font-weight:800;letter-spacing:-.04em}
    .screen-line{height:9px;background:#e8ddd6;border-radius:5px;width:65%;margin:12px 0 24px}
    .screen-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .screen-cards span{height:86px;border-radius:11px;background:#fff;border:1px solid #eee1d8;position:relative}
    .screen-cards span:after{content:"";position:absolute;left:12px;right:12px;bottom:13px;height:7px;border-radius:4px;background:#f2b59a}
    .benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .benefit{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:25px;transition:.25s}
    .benefit:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f0b091}
    .benefit:nth-child(2){background:#fff0e8;border-color:#f7d0bd}
    .benefit:nth-child(3){background:#edf6f3;border-color:#cfe5df}
    .benefit-icon{width:42px;height:42px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:20px}
    .benefit h3{font-size:18px;margin-bottom:9px}.benefit p{font-size:14px;color:var(--muted);margin-bottom:0}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-box{border:1px solid var(--line);border-radius:18px;padding:28px;background:var(--paper)}
    .compare-box.dark{background:var(--purple);color:#fff;border-color:var(--purple)}
    .compare-box h3{font-size:21px;margin-bottom:18px}
    .compare-box p{color:var(--muted);font-size:14px}.compare-box.dark p{color:#d6c8d8}
    .check-list{padding:0;margin:0;list-style:none;display:grid;gap:12px}
    .check-list li{display:flex;gap:10px;font-size:14px}
    .check-list li:before{content:"✓";color:var(--orange);font-weight:800}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:24px 20px;border-top:3px solid var(--orange);background:var(--paper);border-radius:0 0 15px 15px}
    .step-number{color:var(--orange);font-size:13px;font-weight:900;letter-spacing:.1em}.step h3{font-size:17px;margin:12px 0 7px}.step p{font-size:13px;color:var(--muted);margin:0}
    .faq-list{max-width:850px;margin:auto;display:grid;gap:11px}
    details{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:0 20px;transition:.2s}
    details[open]{border-color:#f0b091;box-shadow:0 8px 24px rgba(43,29,39,.05)}
    summary{list-style:none;cursor:pointer;font-weight:700;padding:20px 28px 20px 0;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:2px;color:var(--orange);font-size:22px;top:16px}
    details[open] summary:after{content:"−"}
    details p{font-size:14px;color:var(--muted);padding:0 0 20px;margin:0;max-width:750px}
    .cta{background:var(--orange);color:#fff;padding:54px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{font-size:clamp(25px,3vw,38px);margin:0 0 7px;letter-spacing:-.04em}.cta p{margin:0;color:#ffe9df}
    .cta .btn{background:var(--ink);color:#fff}.cta .btn:hover{background:#fff;color:var(--ink)}
    .site-footer{background:var(--purple);color:#fff;padding:62px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px;padding-bottom:40px}
    .footer-brand .brand{margin-bottom:17px}.footer-brand p{color:#cbbdce;max-width:330px;font-size:14px}
    .footer-col{display:grid;align-content:start;gap:9px}.footer-col h3{font-size:15px;margin-bottom:8px;color:#ffc276}.footer-col a,.footer-col span{font-size:13px;color:#cbbdce;transition:.2s}.footer-col a:hover{color:#fff;padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#a99bac;font-size:12px}.back-top:hover{color:var(--amber)}
    .notice{margin-top:25px;padding:15px 17px;border-radius:12px;background:#fff6eb;border:1px solid #f5d6bd;color:#80533f;font-size:13px}
    .state{font-size:13px;color:var(--muted);border:1px dashed #d9ccc2;border-radius:12px;padding:15px;margin-top:20px;background:#fffaf4}
    @media(max-width:1024px){.nav-links a{padding-left:7px;padding-right:7px;font-size:13px}.brand{min-width:190px}.navbar{gap:14px}.overview-grid{grid-template-columns:1fr}.benefit-grid{grid-template-columns:repeat(3,1fr)}}
    @media(max-width:768px){.navbar{height:70px}.brand{min-width:0;font-size:18px}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;padding:13px 20px 20px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 10px}.nav-links a.active:after{left:10px;right:auto;width:32px}.nav-download{margin-top:5px;text-align:center}.menu-toggle{display:block;margin-left:auto}.sub-hero{padding:62px 0 68px}.section{padding:70px 0}.section-head{display:block}.section-intro{margin-top:14px}.benefit-grid,.steps,.compare{grid-template-columns:1fr}.cta-inner{display:block}.cta .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}}
    @media(max-width:520px){.container{width:min(var(--max),calc(100% - 32px))}.sub-hero h1{font-size:36px}.sub-hero p{font-size:15px}.overview-panel,.interface-card{padding:22px}.window-body{grid-template-columns:82px 1fr}.window-side{font-size:10px;padding:15px 8px}.screen-cards{gap:6px}.screen-cards span{height:70px}.screen-title{font-size:18px}.footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.back-top{display:block;margin-top:10px}.brand span:last-child{max-width:190px;line-height:1.2}}

/* roulang page: category2 */
:root{
      --orange:#f26a32;
      --orange-deep:#d94d1d;
      --amber:#ffb14a;
      --ink:#211c2d;
      --purple:#332542;
      --purple-2:#49325c;
      --cream:#fbf8f2;
      --paper:#fffdf9;
      --mist:#f1eee9;
      --muted:#766f79;
      --line:#e8e0d8;
      --teal:#4d8d85;
      --shadow:0 18px 50px rgba(43,29,39,.09);
      --radius:18px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    a:hover{text-decoration:none}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,242,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,224,216,.8)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:230px;font-weight:800;letter-spacing:-.03em;font-size:20px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 8px 18px rgba(242,106,50,.25)}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:5px;flex:1}
    .nav-links a{position:relative;padding:9px 12px;color:#655c66;font-size:14px;white-space:nowrap;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-deep)}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;border-radius:3px;background:var(--orange)}
    .nav-download{background:var(--ink)!important;color:#fff!important;border-radius:10px;padding:11px 17px!important}
    .nav-download:hover{background:var(--orange)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:13px 20px;font-weight:700;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 20px rgba(242,106,50,.23)}
    .btn-primary:hover{background:#ff7b3c;color:#fff;transform:translateY(-3px)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-light:hover{border-color:var(--orange);color:var(--orange-deep)}
    .btn:focus,.nav-links a:focus,.menu-toggle:focus,input:focus,summary:focus{outline:3px solid rgba(255,177,74,.55);outline-offset:3px}
    .news-hero{background:var(--purple);color:#fff;padding:90px 0 84px;position:relative;overflow:hidden}
    .news-hero:before{content:"";position:absolute;width:560px;height:560px;border:1px solid rgba(255,177,74,.22);border-radius:50%;right:-180px;top:-280px}
    .news-hero:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.12);border-radius:50%;left:-120px;bottom:-180px}
    .hero-content{position:relative;z-index:1;max-width:790px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffc276;font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:18px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5.2vw,64px);line-height:1.18;letter-spacing:-.055em;margin-bottom:22px}
    .hero-content p{color:#d8cfd9;max-width:700px;font-size:17px;margin-bottom:30px}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:10px;color:#b9aebe;font-size:13px;margin-top:34px}
    .breadcrumb a:hover{color:#ffc276}
    .page-section{padding:88px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:38px}
    .section-kicker{font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--orange-deep)}
    h2{font-size:clamp(28px,3.5vw,43px);line-height:1.25;letter-spacing:-.04em;margin:7px 0 0}
    .section-intro{color:var(--muted);max-width:560px;margin:0}
    .feature-story{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
    .story-main{background:var(--purple);color:#fff;border-radius:22px;padding:38px;min-height:330px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
    .story-main:after{content:"PG";position:absolute;right:25px;bottom:-30px;font-size:150px;font-weight:900;color:rgba(255,255,255,.05);line-height:1}
    .story-main>*{position:relative;z-index:1}
    .tag{font-size:12px;font-weight:800;letter-spacing:.05em;color:var(--orange-deep)}
    .story-main .tag{color:#ffc276}
    .story-main h3{font-size:30px;line-height:1.4;max-width:560px;margin:16px 0 12px}
    .story-main p{color:#d4c7d6;max-width:550px;font-size:15px;margin-bottom:20px}
    .story-date{font-size:13px;color:#bcaebe}
    .story-side{display:grid;gap:14px}
    .side-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:23px;transition:.25s}
    .side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#f0b091}
    .side-card h3{font-size:18px;line-height:1.45;margin:9px 0 7px}
    .side-card p{font-size:14px;color:var(--muted);margin-bottom:12px}
    .side-meta{font-size:12px;color:var(--muted)}
    .timeline-section{background:var(--paper)}
    .timeline{position:relative;max-width:920px;margin:0 auto}
    .timeline:before{content:"";position:absolute;left:117px;top:15px;bottom:15px;width:1px;background:var(--line)}
    .timeline-item{display:grid;grid-template-columns:92px 1fr;gap:50px;position:relative;padding-bottom:28px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-time{font-size:13px;color:var(--muted);padding-top:23px;text-align:right}
    .timeline-card{background:var(--cream);border:1px solid var(--line);border-radius:16px;padding:24px 28px;position:relative;transition:.25s}
    .timeline-card:before{content:"";position:absolute;left:-58px;top:25px;width:13px;height:13px;border-radius:50%;background:var(--orange);border:4px solid var(--paper);box-shadow:0 0 0 1px var(--orange)}
    .timeline-card:hover{border-color:#efa27f;box-shadow:var(--shadow);transform:translateX(4px)}
    .timeline-card h3{font-size:20px;margin:8px 0}
    .timeline-card p{font-size:14px;color:var(--muted);margin-bottom:14px}
    .read-link{color:var(--orange-deep);font-size:14px;font-weight:800}
    .read-link:hover{color:var(--ink)}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .topic-card{border-radius:16px;padding:27px;background:var(--mist);min-height:175px;transition:.25s}
    .topic-card:nth-child(2){background:#f8e9df}
    .topic-card:nth-child(3){background:#e4efec}
    .topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .topic-number{font-size:13px;color:var(--orange-deep);font-weight:800}
    .topic-card h3{font-size:19px;margin:12px 0 7px}
    .topic-card p{font-size:14px;color:var(--muted);margin:0}
    .notice{margin-top:28px;padding:18px 22px;border-left:4px solid var(--teal);background:#e9f2ef;color:#416b66;border-radius:0 12px 12px 0;font-size:14px}
    .cta{padding:74px 0;background:var(--orange)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{color:#fff;margin:0 0 10px;max-width:650px}
    .cta p{color:#fff0e8;margin:0;max-width:650px}
    .cta .btn{background:var(--ink);color:#fff}
    .cta .btn:hover{background:#fff;color:var(--ink)}
    .site-footer{background:var(--ink);color:#fff;padding:58px 0 24px}
    .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:42px;border-bottom:1px solid #433848}
    .footer-brand .brand{margin-bottom:18px}
    .footer-brand p{color:#b9aebc;max-width:330px;font-size:14px}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{font-size:15px;margin-bottom:9px;color:#ffc276}
    .footer-col a,.footer-col span{color:#b9aebc;font-size:14px;transition:.2s}
    .footer-col a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:22px;color:#958a99;font-size:13px}
    .back-top{color:#ffc276}
    .back-top:hover{color:#fff}
    @media(max-width:1024px){
      .navbar{gap:14px}.brand{min-width:190px}.nav-links a{padding:8px 7px;font-size:13px}
      .feature-story{grid-template-columns:1fr}.story-main{min-height:290px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navbar{height:70px;justify-content:space-between}
      .brand{min-width:auto;font-size:18px}.brand-mark{width:35px;height:35px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:78px;background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}.nav-links a.active:after{left:14px;right:auto;width:34px;bottom:6px}
      .nav-download{text-align:center;margin-top:5px}
      .news-hero{padding:68px 0 60px}h1{font-size:38px}
      .page-section{padding:65px 0}.section-head{display:block;margin-bottom:27px}.section-intro{margin-top:14px}
      .timeline:before{left:8px}.timeline-item{grid-template-columns:1fr;gap:8px;padding-left:30px}
      .timeline-time{text-align:left;padding-top:0}.timeline-card:before{left:-29px;top:25px}
      .topic-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta .btn{margin-top:24px}
      .footer-top{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:480px){
      .story-main{padding:27px;min-height:340px}.story-main h3{font-size:24px}
      .timeline-card{padding:20px}.footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.back-top{display:block;margin-top:12px}
    }

/* roulang page: category3 */
:root{
      --orange:#f26a32;
      --orange-deep:#d94d1d;
      --amber:#ffb14a;
      --ink:#211c2d;
      --purple:#332542;
      --purple-2:#49325c;
      --cream:#fbf8f2;
      --paper:#fffdf9;
      --mist:#f1eee9;
      --muted:#766f79;
      --line:#e8e0d8;
      --teal:#4d8d85;
      --shadow:0 18px 50px rgba(43,29,39,.09);
      --radius:18px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(251,248,242,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,224,216,.85)}
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:215px;font-weight:800;letter-spacing:-.03em;font-size:20px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 8px 18px rgba(242,106,50,.25)}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:3px;flex:1}
    .nav-links a{position:relative;padding:9px 11px;color:#655c66;font-size:14px;white-space:nowrap;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-deep)}
    .nav-links a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:1px;height:3px;border-radius:3px;background:var(--orange)}
    .nav-download{background:var(--ink)!important;color:#fff!important;border-radius:10px;padding:11px 17px!important}
    .nav-download:hover{background:var(--orange)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:13px 20px;font-weight:700;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 20px rgba(242,106,50,.23)}
    .btn-primary:hover{background:#ff7b3c;color:#fff;transform:translateY(-3px)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);color:var(--ink)}
    .btn-outline:hover{border-color:var(--orange);color:var(--orange-deep)}
    .btn:focus,.nav-links a:focus,.menu-toggle:focus,input:focus,summary:focus{outline:3px solid rgba(255,177,74,.55);outline-offset:3px}
    .hero{background:var(--purple);color:#fff;position:relative;overflow:hidden}
    .hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(255,177,74,.25);border-radius:50%;pointer-events:none}
    .hero:before{width:500px;height:500px;right:-170px;top:-280px}
    .hero:after{width:300px;height:300px;left:-180px;bottom:-210px}
    .hero-inner{min-height:475px;display:grid;grid-template-columns:1fr .85fr;align-items:center;gap:65px;position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffc276;font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:18px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    .hero h1{font-size:clamp(38px,5vw,62px);line-height:1.18;letter-spacing:-.055em;margin-bottom:20px}
    .hero h1 em{font-style:normal;color:#ffb354}
    .hero-lead{color:#d8cfd9;max-width:620px;margin-bottom:29px;font-size:17px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-notes{display:flex;gap:20px;flex-wrap:wrap;margin-top:32px;color:#c0b4c4;font-size:13px}
    .hero-notes span{display:flex;align-items:center;gap:7px}
    .hero-notes b{width:7px;height:7px;border-radius:50%;background:var(--teal)}
    .download-visual{height:300px;position:relative}
    .app-window{position:absolute;right:22px;top:15px;width:min(350px,100%);height:245px;background:#fbf6ee;border-radius:20px;padding:16px;color:var(--ink);box-shadow:0 28px 50px rgba(0,0,0,.25);transform:rotate(3deg)}
    .window-bar{display:flex;gap:6px;margin-bottom:18px}
    .window-bar i{width:8px;height:8px;border-radius:50%;background:#e8a079}
    .window-bar i:nth-child(2){background:#e6c17b}.window-bar i:nth-child(3){background:#82ada4}
    .screen-title{font-size:13px;color:var(--muted);margin-bottom:12px}
    .screen-panel{height:112px;border-radius:14px;background:var(--purple);padding:18px;color:#fff;display:flex;justify-content:space-between;align-items:end}
    .screen-panel strong{display:block;font-size:25px;line-height:1.15}.screen-panel small{color:#cbbfd0}
    .screen-orb{width:76px;height:76px;border:11px solid var(--orange);border-radius:50%;border-right-color:var(--amber)}
    .screen-lines{display:grid;gap:8px;margin-top:15px}.screen-lines span{height:7px;border-radius:4px;background:#e6ddd3}.screen-lines span:nth-child(2){width:70%}
    .floating-note{position:absolute;left:0;bottom:18px;background:#fff;color:var(--ink);border-radius:15px;padding:14px 17px;width:185px;box-shadow:var(--shadow);transform:rotate(-6deg)}
    .floating-note small{display:block;color:var(--muted);font-size:11px}.floating-note strong{display:block;font-size:16px;margin-top:3px}
    .section{padding:92px 0}
    .section.paper{background:var(--paper)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:35px}
    .kicker{font-size:12px;color:var(--orange-deep);font-weight:800;letter-spacing:.1em;text-transform:uppercase}
    .section h2{font-size:clamp(29px,3.5vw,43px);line-height:1.25;letter-spacing:-.04em;margin:8px 0 0}
    .section-intro{color:var(--muted);max-width:560px;margin-bottom:0}
    .platform-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .platform-main{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow)}
    .platform-main h3{font-size:26px;margin-bottom:12px}.platform-main p{color:var(--muted);max-width:650px}
    .platform-tags{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}.tag{font-size:12px;font-weight:800;color:var(--orange-deep);letter-spacing:.04em}.pill{padding:7px 11px;border-radius:99px;background:#fff0e8;color:var(--orange-deep);font-size:13px}
    .platform-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:27px}
    .platform-card{border:1px solid var(--line);border-radius:15px;padding:20px;background:#fffaf4;transition:.25s}
    .platform-card:hover{transform:translateY(-4px);border-color:#f1ae8c;box-shadow:var(--shadow)}
    .platform-card h4{font-size:17px;margin:0 0 5px}.platform-card p{font-size:13px;line-height:1.65;margin:0}
    .status{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--teal);margin-bottom:13px}.status i{width:7px;height:7px;background:var(--teal);border-radius:50%}
    .qr-panel{background:var(--mist);border-radius:22px;padding:30px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}
    .qr-box{width:156px;height:156px;border:2px dashed #c8bbb0;border-radius:16px;display:grid;place-items:center;color:var(--muted);font-size:13px;background:rgba(255,255,255,.48);margin:10px 0 17px}
    .qr-panel h3{font-size:21px;margin-bottom:6px}.qr-panel p{font-size:13px;color:var(--muted);margin-bottom:0}
    .steps{background:var(--purple);color:#fff}
    .steps .section-intro{color:#cfc2d1}.steps .kicker{color:#ffc276}
    .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:23px;min-height:190px;transition:.25s}
    .step:hover{background:rgba(255,255,255,.07);transform:translateY(-4px)}
    .step-no{font-size:34px;color:#ffad62;font-weight:800;line-height:1;margin-bottom:29px}.step h3{font-size:18px;margin-bottom:8px}.step p{font-size:13px;color:#cfc2d1;line-height:1.7;margin:0}
    .notes-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:25px;align-items:start}
    .note-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:28px}.note-card h3{font-size:22px;margin-bottom:14px}.note-card p{color:var(--muted);font-size:14px}
    .check-list{padding:0;margin:20px 0 0;list-style:none;display:grid;gap:13px}.check-list li{display:flex;gap:10px;font-size:14px}.check-list li:before{content:"✓";color:var(--orange);font-weight:800}
    .notice{border-left:4px solid var(--orange);background:#fff3e9;padding:18px 20px;border-radius:0 12px 12px 0;color:#675a57;font-size:14px;margin-top:18px}
    .faq-wrap{max-width:850px;margin:auto}.faq-item{border-bottom:1px solid var(--line);padding:4px 0}.faq-item summary{cursor:pointer;list-style:none;padding:21px 4px;font-weight:700;display:flex;justify-content:space-between;gap:20px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--orange);font-size:22px;line-height:1}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 35px 21px 4px;color:var(--muted);font-size:14px}
    .cta{padding:70px 0;background:var(--orange);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:clamp(27px,3.5vw,42px);margin-bottom:9px}.cta p{margin:0;color:#ffe8d9}.cta .btn{background:var(--ink);color:#fff}.cta .btn:hover{background:#fff;color:var(--ink)}
    .site-footer{background:var(--ink);color:#fff;padding:58px 0 20px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:55px;padding-bottom:38px}.footer-brand .brand{margin-bottom:17px}.footer-brand p,.footer-col span{color:#b9adbd;font-size:13px;max-width:310px}.footer-col{display:grid;align-content:start;gap:9px}.footer-col h3{font-size:14px;color:#ffc276;margin-bottom:8px}.footer-col a,.footer-col span{transition:.2s}.footer-col a{font-size:14px;color:#d7cbd8}.footer-col a:hover{color:#ffb14a;padding-left:3px}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#a99daa;font-size:12px}.back-top:hover{color:#ffb14a}
    @media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding-left:7px;padding-right:7px;font-size:13px}.brand{min-width:180px}.hero-inner{gap:35px}.step-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.navbar{height:68px;gap:10px}.brand{min-width:0;flex:1}.brand span:last-child{font-size:17px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 16px 20px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:13px 10px}.nav-links a.active:after{left:10px;right:auto;width:35px;bottom:5px}.nav-download{text-align:center;margin-top:7px}.hero-inner{grid-template-columns:1fr;min-height:auto;padding:75px 0 55px}.hero h1{font-size:clamp(35px,9vw,48px)}.hero-lead{font-size:16px}.download-visual{height:260px;max-width:430px;margin:0 auto;width:100%}.app-window{right:10px}.section{padding:68px 0}.section-head{display:block;margin-bottom:25px}.section-intro{margin-top:15px}.platform-layout,.notes-grid{grid-template-columns:1fr}.platform-main{padding:24px}.step-grid{grid-template-columns:1fr 1fr}.cta-inner{display:block}.cta .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}}
    @media(max-width:520px){.hero-notes{gap:10px;display:grid}.platform-cards,.step-grid{grid-template-columns:1fr}.platform-card{padding:17px}.qr-panel{padding:25px 18px}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.back-top{display:inline-block;margin-top:12px}}

/* roulang page: category4 */
:root{
      --orange:#f26a32;--orange-deep:#d94d1d;--amber:#ffb14a;--ink:#211c2d;
      --purple:#332542;--purple-2:#49325c;--cream:#fbf8f2;--paper:#fffdf9;
      --mist:#f1eee9;--muted:#766f79;--line:#e8e0d8;--teal:#4d8d85;
      --shadow:0 18px 50px rgba(43,29,39,.09);--radius:18px;--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none} button,input{font:inherit} button{border:0;cursor:pointer}
    img{display:block;max-width:100%}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,242,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,224,216,.8)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:230px;font-size:20px;font-weight:800;letter-spacing:-.03em}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 8px 18px rgba(242,106,50,.25)}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:5px;flex:1}
    .nav-links a{position:relative;padding:9px 12px;color:#655c66;font-size:14px;white-space:nowrap;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-deep)}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;border-radius:3px;background:var(--orange)}
    .nav-download{background:var(--ink)!important;color:#fff!important;border-radius:10px;padding:11px 17px!important}
    .nav-download:hover{background:var(--orange)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:11px;font-weight:700;border:1px solid transparent;transition:.25s}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 20px rgba(242,106,50,.23)}
    .btn-primary:hover{background:#ff7b3c;color:#fff;transform:translateY(-3px)}
    .btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);color:var(--ink)}.btn-outline:hover{border-color:var(--orange);color:var(--orange-deep)}
    .btn:focus,.nav-links a:focus,.menu-toggle:focus,summary:focus,input:focus{outline:3px solid rgba(255,177,74,.55);outline-offset:3px}
    .guide-hero{background:var(--purple);color:#fff;padding:86px 0 92px;position:relative;overflow:hidden}
    .guide-hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(255,177,74,.28);border-radius:50%;right:-130px;top:-210px}
    .guide-hero .container{position:relative;z-index:1}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:#cdbfcf;font-size:13px;margin-bottom:30px}
    .breadcrumb a:hover{color:var(--amber)}.breadcrumb span{color:#8f8093}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffc276;font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:17px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    .guide-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.2;letter-spacing:-.055em;max-width:780px;margin:0}
    .guide-hero h1 em{font-style:normal;color:#ffb354}
    .hero-copy{max-width:700px;color:#d8cfd9;font-size:17px;margin:22px 0 30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-actions .btn-outline{border-color:rgba(255,255,255,.3);color:#fff}
    .hero-actions .btn-outline:hover{border-color:var(--amber);color:var(--amber)}
    .guide-layout{display:grid;grid-template-columns:290px 1fr;gap:28px;align-items:start;padding:78px 0 92px}
    .toc{position:sticky;top:105px;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:23px}
    .toc h2{font-size:18px;margin:0 0 15px}.toc ol{padding:0;margin:0;list-style:none;counter-reset:toc}
    .toc li{counter-increment:toc;border-top:1px solid var(--line)}
    .toc li:before{content:counter(toc,decimal-leading-zero);color:var(--orange);font-size:12px;font-weight:800;margin-right:10px}
    .toc a{display:inline-block;padding:12px 0;font-size:14px;color:var(--muted)}.toc a:hover{color:var(--orange-deep)}
    .guide-content{min-width:0}.content-intro{background:var(--mist);border-radius:20px;padding:30px 32px;margin-bottom:26px;border-left:4px solid var(--orange)}
    .content-intro h2{margin:0 0 9px;font-size:25px}.content-intro p{margin:0;color:var(--muted)}
    .guide-block{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:32px;margin-bottom:20px}
    .guide-block h2{font-size:28px;line-height:1.35;margin:0 0 12px}.guide-block h3{font-size:19px;margin:23px 0 7px}
    .guide-block p{color:#625a64;margin:0 0 13px}.guide-block ul{margin:12px 0 0;padding-left:22px;color:#625a64}
    .guide-block li{margin:8px 0}.guide-block strong{color:var(--ink)}
    .step-list{display:grid;gap:12px;margin-top:23px}.step{display:grid;grid-template-columns:54px 1fr;gap:16px;padding:18px;border:1px solid var(--line);border-radius:14px;transition:.25s}
    .step:hover{border-color:#f0b091;transform:translateX(3px);box-shadow:0 10px 25px rgba(43,29,39,.06)}
    .step-number{width:43px;height:43px;border-radius:13px;background:#fff0e8;color:var(--orange-deep);display:grid;place-items:center;font-weight:800}
    .step h3{margin:0 0 3px;font-size:17px}.step p{margin:0;font-size:14px;color:var(--muted)}
    .notice{padding:18px 20px;background:#fff4df;border:1px solid #f3d6a5;border-radius:13px;color:#76582f;margin-top:20px;font-size:14px}
    .screen-placeholder{min-height:190px;border-radius:16px;background:linear-gradient(135deg,#2b2033,#49325c);display:grid;place-items:center;color:#e8dcea;text-align:center;padding:25px;margin:20px 0}
    .screen-placeholder span{display:block;border:1px dashed rgba(255,255,255,.35);padding:20px 30px;border-radius:12px}
    .faq-area{background:var(--paper);padding:82px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:clamp(28px,3.5vw,42px);line-height:1.25;margin:7px 0 0}.section-intro{color:var(--muted);max-width:540px}
    .faq-list{display:grid;gap:11px;max-width:900px}details{border:1px solid var(--line);border-radius:13px;background:var(--cream);transition:.2s}
    details[open]{border-color:#f0b091;background:#fff}summary{cursor:pointer;list-style:none;padding:19px 22px;font-weight:700;position:relative;padding-right:55px}
    summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:21px;color:var(--orange);font-size:24px;font-weight:400;top:13px}
    details[open] summary:after{content:"−"}details p{padding:0 22px 20px;margin:0;color:var(--muted);font-size:14px}
    .cta{background:var(--orange);color:#fff;padding:66px 0}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta h2{font-size:clamp(27px,3vw,40px);line-height:1.3;margin:0 0 8px}.cta p{margin:0;color:#ffe2d5;max-width:600px}.cta .btn{background:var(--ink);color:#fff}.cta .btn:hover{background:#fff;color:var(--ink)}
    .site-footer{background:var(--purple);color:#fff;padding:58px 0 22px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px;padding-bottom:42px}
    .footer-brand .brand{margin-bottom:17px}.footer-brand p{color:#c7b9c9;max-width:330px;font-size:14px;margin:0}
    .footer-col{display:grid;align-content:start;gap:9px}.footer-col h3{font-size:15px;margin:3px 0 9px;color:#ffc276}.footer-col a,.footer-col span{color:#c7b9c9;font-size:14px}.footer-col a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#ab9dae;font-size:13px}.back-top:hover{color:#fff}
    @media(max-width:1024px){.navbar{gap:15px}.brand{min-width:190px}.nav-links a{padding-left:7px;padding-right:7px;font-size:13px}.nav-links a.active:after{left:7px;right:7px}.guide-layout{grid-template-columns:240px 1fr}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.navbar{height:68px}.brand{min-width:0;font-size:18px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{left:14px;right:auto;width:30px;bottom:5px}.nav-download{display:none!important}.guide-hero{padding:55px 0 65px}.guide-layout{grid-template-columns:1fr;padding:55px 0 65px}.toc{position:static}.section-head,.cta-inner{display:block}.section-intro{margin-top:12px}.cta .btn{margin-top:24px}.footer-top{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:1/-1}}
    @media(max-width:480px){body{font-size:15px}.brand-mark{width:34px;height:34px;font-size:16px}.guide-hero h1{font-size:35px}.hero-copy{font-size:15px}.guide-block,.content-intro{padding:23px 20px}.guide-block h2{font-size:24px}.step{grid-template-columns:44px 1fr;padding:14px}.step-number{width:37px;height:37px}.footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.back-top{display:block;margin-top:10px}.screen-placeholder{min-height:150px}}

/* roulang page: category5 */
:root{--orange:#f26a32;--orange-deep:#d94d1d;--amber:#ffb14a;--ink:#211c2d;--purple:#332542;--purple-2:#49325c;--cream:#fbf8f2;--paper:#fffdf9;--mist:#f1eee9;--muted:#766f79;--line:#e8e0d8;--teal:#4d8d85;--shadow:0 18px 50px rgba(43,29,39,.09);--radius:18px;--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;font-size:16px}a{color:inherit;text-decoration:none}button,input{font:inherit}button{border:0;cursor:pointer}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,242,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,224,216,.8)}.navbar{height:78px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:11px;min-width:230px;font-weight:800;letter-spacing:-.03em;font-size:20px}.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 8px 18px rgba(242,106,50,.25)}.nav-links{display:flex;align-items:center;justify-content:center;gap:5px;flex:1}.nav-links a{position:relative;padding:9px 12px;color:#655c66;font-size:14px;white-space:nowrap;transition:.25s}.nav-links a:hover,.nav-links a.active{color:var(--orange-deep)}.nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;border-radius:3px;background:var(--orange)}.nav-download{background:var(--ink)!important;color:#fff!important;border-radius:10px;padding:11px 17px!important}.nav-download:hover{background:var(--orange)!important;transform:translateY(-2px)}.menu-toggle{display:none;background:transparent;color:var(--ink);font-size:24px}
.hero{background:var(--purple);color:#fff;position:relative;overflow:hidden}.hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(255,177,74,.28);border-radius:50%;pointer-events:none}.hero:before{width:520px;height:520px;right:-190px;top:-280px}.hero:after{width:300px;height:300px;left:-170px;bottom:-220px}.hero-inner{min-height:420px;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:60px;position:relative;z-index:1}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffc276;font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:16px}.eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}.hero h1{font-size:clamp(36px,5vw,60px);line-height:1.2;letter-spacing:-.05em;margin:0}.hero h1 em{font-style:normal;color:#ffb354}.hero-lead{color:#d8cfd9;max-width:650px;margin:22px 0 28px;font-size:17px}.hero-note{color:#c0b4c4;font-size:13px}.question-art{height:280px;position:relative}.art-panel{position:absolute;right:12%;top:28px;width:270px;height:190px;border:1px solid rgba(255,255,255,.2);border-radius:18px;background:#42314e;padding:18px;box-shadow:0 25px 50px rgba(15,8,22,.3);transform:rotate(5deg)}.art-panel:before{content:"PG";display:grid;place-items:center;width:54px;height:54px;border-radius:16px;background:var(--orange);color:#fff;font-weight:800;font-size:24px;margin-bottom:18px}.art-line{height:9px;border-radius:8px;background:#6c5877;margin:10px 0}.art-line.short{width:55%}.art-bubble{position:absolute;left:7%;bottom:28px;background:#fff;color:var(--ink);padding:16px 20px;border-radius:15px;box-shadow:var(--shadow);font-weight:700;transform:rotate(-6deg)}.art-bubble small{display:block;color:var(--muted);font-weight:400;font-size:12px}
.section{padding:92px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}.section-kicker{color:var(--orange-deep);font-size:13px;font-weight:800;letter-spacing:.08em}.section h2{font-size:clamp(28px,3.5vw,43px);line-height:1.25;letter-spacing:-.04em;margin:7px 0 0}.section-intro{color:var(--muted);max-width:560px}.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:28px;align-items:start}.faq-intro{background:var(--purple);color:#fff;border-radius:20px;padding:30px;position:sticky;top:105px}.faq-intro h2{font-size:30px;margin:10px 0 15px}.faq-intro p{color:#d7cbd8;font-size:14px}.question-index{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.question-index a{padding:8px 11px;border:1px solid rgba(255,255,255,.2);border-radius:8px;color:#f5dbe0;font-size:12px}.question-index a:hover{border-color:var(--amber);color:var(--amber)}.faq-list{display:grid;gap:12px}.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:0 22px;transition:.25s}.faq-item:hover{border-color:#f0b091;box-shadow:0 12px 28px rgba(43,29,39,.06)}.faq-item summary{list-style:none;cursor:pointer;padding:21px 30px 21px 0;font-weight:800;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";position:absolute;right:0;top:17px;color:var(--orange);font-size:23px;font-weight:400}.faq-item[open] summary:after{content:"−"}.faq-answer{color:var(--muted);font-size:14px;padding:0 0 22px;border-top:1px solid var(--line);padding-top:15px}.faq-answer p{margin:0}.search-section{background:var(--paper)}.search-box{display:flex;max-width:760px;margin:0 auto 34px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:7px;box-shadow:0 10px 30px rgba(43,29,39,.05)}.search-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;padding:11px 14px;color:var(--ink)}.search-box button{background:var(--orange);color:#fff;border-radius:10px;padding:11px 22px;font-weight:700;transition:.25s}.search-box button:hover{background:var(--orange-deep);transform:translateY(-2px)}.search-status{text-align:center;color:var(--muted);font-size:13px;margin-top:-20px;margin-bottom:30px}.topic-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.topic-card{background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:20px 16px;min-height:125px;transition:.25s}.topic-card:hover{transform:translateY(-4px);background:#fff3eb;border-color:#f0b091}.topic-card b{display:block;font-size:15px;margin-bottom:8px}.topic-card span{color:var(--muted);font-size:13px}.support{background:var(--mist)}.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.support-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:25px}.support-card h3{font-size:19px;margin:0 0 9px}.support-card p{color:var(--muted);font-size:14px;margin:0 0 18px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 19px;font-weight:700;transition:.25s;border:1px solid transparent}.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 20px rgba(242,106,50,.23)}.btn-primary:hover{background:#ff7b3c;color:#fff;transform:translateY(-3px)}.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:var(--orange);color:#fff;transform:translateY(-3px)}.btn:focus,.nav-links a:focus,.menu-toggle:focus,input:focus,summary:focus{outline:3px solid rgba(255,177,74,.55);outline-offset:3px}.cta{padding:72px 0;background:var(--orange);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:clamp(27px,4vw,42px);line-height:1.3;margin:0 0 10px}.cta p{margin:0;color:#fff0e8}.cta .btn{background:var(--ink);color:#fff}.cta .btn:hover{background:#fff;color:var(--ink)}
.site-footer{background:var(--purple);color:#fff;padding:58px 0 24px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:55px;padding-bottom:42px}.footer-brand .brand{margin-bottom:17px}.footer-brand p{color:#c8bacb;max-width:350px;font-size:14px}.footer-col{display:grid;align-content:start;gap:9px}.footer-col h3{font-size:15px;margin:4px 0 10px;color:#ffc276}.footer-col a,.footer-col span{color:#c8bacb;font-size:14px;transition:.2s}.footer-col a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#b5a7b8;font-size:12px}.back-top:hover{color:#ffc276}
@media(max-width:1024px){.navbar{gap:14px}.brand{min-width:185px}.nav-links a{padding:8px 7px;font-size:13px}.hero-inner{gap:30px}.topic-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.navbar{height:68px;justify-content:space-between}.brand{min-width:auto;font-size:18px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:14px 16px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{left:14px;right:auto;width:35px;bottom:5px}.nav-download{text-align:center;margin-top:7px}.hero-inner{grid-template-columns:1fr;min-height:0;padding:72px 0 45px}.question-art{height:230px}.art-panel{right:8%;top:4px}.faq-layout{grid-template-columns:1fr}.faq-intro{position:static}.support-grid{grid-template-columns:1fr}.cta-inner{align-items:flex-start;flex-direction:column}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}}
@media(max-width:520px){.hero h1{font-size:36px}.hero-lead{font-size:15px}.section{padding:66px 0}.section-head{display:block;margin-bottom:25px}.section-intro{margin-top:14px}.topic-grid{grid-template-columns:1fr 1fr}.topic-card{min-height:110px;padding:16px 13px}.search-box{display:block;background:transparent;border:0;box-shadow:none;padding:0}.search-box input{width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:9px}.search-box button{width:100%}.search-status{margin-top:10px}.faq-item{padding:0 17px}.faq-item summary{font-size:15px}.footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.back-top{display:block;margin-top:12px}.question-art{transform:scale(.9);transform-origin:left center}}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}