/* roulang page: index */
:root{
 --purple:#552a70;--purple-dark:#32173f;--purple-soft:#efe7f5;--orange:#ed7657;
 --orange-dark:#ce5a3d;--cream:#fbf8f4;--paper:#fff;--ink:#271f2b;--muted:#766d7b;
 --line:#e7dfe9;--green:#258b72;--yellow:#e5ac46;--radius:18px;
 --shadow:0 14px 38px rgba(54,25,69,.08);--container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream);line-height:1.7}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img,svg{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{height:78px;background:rgba(251,248,244,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.navbar{height:100%;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:11px;color:var(--purple-dark);font-weight:800;font-size:17px;line-height:1.2;min-width:250px}
.logo-mark{width:35px;height:35px;border-radius:11px;background:var(--purple);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:5px 5px 0 #e6c9d4}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-links a{padding:9px 13px;border-radius:10px;color:#655a68;font-size:14px;transition:.2s}
.nav-links a:hover,.nav-links a.active{background:var(--purple-soft);color:var(--purple);font-weight:700}
.nav-download,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:11px;padding:12px 19px;font-weight:700;cursor:pointer;transition:.2s}
.nav-download{background:var(--orange);color:#fff;font-size:14px}
.nav-download:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--purple)}
.hero{padding:88px 0 70px;background:linear-gradient(120deg,#fbf8f4 0%,#f5edf7 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}
.kicker,.eyebrow{color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:1px}
.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.13;letter-spacing:-2px;margin:17px 0 22px;color:var(--purple-dark)}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero-copy{font-size:17px;color:var(--muted);max-width:570px}
.actions{display:flex;gap:12px;margin:30px 0 24px;flex-wrap:wrap}
.btn{font-size:15px}
.btn-primary{background:var(--orange);color:#fff}
.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--purple)}
.btn-secondary:hover{border-color:var(--purple);transform:translateY(-2px)}
.trust-row{display:flex;gap:20px;color:var(--muted);font-size:13px;flex-wrap:wrap}
.trust-row span:before{content:"✓";color:var(--green);font-weight:bold;margin-right:6px}
.hero-art{position:relative;min-height:390px;background:var(--purple);border-radius:30px;padding:24px;box-shadow:18px 20px 0 #e8d5e6;transform:rotate(2deg)}
.art-top{display:flex;justify-content:space-between;color:#e9d9ee;font-size:13px;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:18px}
.art-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:13px;margin-top:18px;height:275px}
.art-main,.art-small{border-radius:16px;padding:18px;position:relative;overflow:hidden}
.art-main{background:linear-gradient(145deg,#ef8b66,#833b87)}
.art-small:first-child{background:#f0c56e}.art-small:last-child{background:#62a690}
.art-column{display:grid;gap:13px}
.orb{width:110px;height:110px;border-radius:50%;background:rgba(255,255,255,.2);position:absolute;right:25px;top:38px;box-shadow:-28px 20px 0 rgba(255,255,255,.08)}
.art-label{position:absolute;bottom:18px;left:18px;color:#fff;font-size:20px;font-weight:800}
.art-small strong{position:absolute;bottom:13px;left:15px;color:#fff;font-size:14px}
.art-caption{margin-top:15px;color:#d9c6e1;font-size:12px}
.section{padding:86px 0}
.section-tint{background:#f3ecf6}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
.section-head h2{font-size:clamp(26px,3vw,39px);line-height:1.25;color:var(--purple-dark);margin-top:8px}
.section-head p{color:var(--muted);max-width:520px}
.link-more{color:var(--purple);font-weight:700;white-space:nowrap}
.quick-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.quick-item{padding:21px 15px;background:#fff;border:1px solid var(--line);border-radius:15px;transition:.2s}
.quick-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9aed4}
.quick-icon{font-size:24px;color:var(--orange);margin-bottom:10px}
.quick-item strong{display:block;font-size:14px}.quick-item small{color:var(--muted);font-size:12px}
.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}
.game-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.game-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.game-cover{height:165px;padding:18px;position:relative;overflow:hidden}
.cover-one{background:linear-gradient(135deg,#65327b,#d87167)}.cover-two{background:linear-gradient(135deg,#dd9c48,#8d4e67)}.cover-three{background:linear-gradient(135deg,#3d8b87,#6e4b8a)}
.cover-shape{position:absolute;width:145px;height:145px;border:24px solid rgba(255,255,255,.2);border-radius:50%;right:22px;top:20px}
.game-cover b{color:#fff;font-size:22px;position:absolute;bottom:17px;left:18px}
.badge{display:inline-block;padding:3px 8px;border-radius:20px;background:rgba(255,255,255,.85);color:var(--purple);font-size:11px;font-weight:700}
.card-body{padding:19px}.card-body h3{font-size:19px;margin-bottom:6px}.card-body p{color:var(--muted);font-size:13px;line-height:1.65}
.meta{display:flex;gap:13px;color:#8a7d8e;font-size:12px;margin-top:13px;flex-wrap:wrap}.card-link{display:inline-block;margin-top:13px;color:var(--purple);font-weight:700;font-size:13px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step{padding:24px 20px;border-left:3px solid var(--orange);background:#fff;border-radius:0 15px 15px 0}.step-num{color:var(--orange);font-weight:800;font-size:14px}.step h3{font-size:17px;margin:7px 0}.step p{font-size:13px;color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.feature-card{min-height:300px;border-radius:22px;padding:30px;position:relative;overflow:hidden;color:#fff;background:var(--purple-dark)}.feature-card h3{font-size:28px;max-width:300px;line-height:1.3}.feature-card p{color:#dbcbe1;max-width:330px;margin-top:14px}.feature-card:after{content:"✦";position:absolute;font-size:180px;color:rgba(255,255,255,.08);right:30px;bottom:-35px}.mini-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.mini-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:21px;min-height:140px}.mini-card h3{font-size:17px}.mini-card p{font-size:13px;color:var(--muted);margin-top:5px}
.download-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:25px;padding:38px}
.phone-stack{height:290px;position:relative}.phone{position:absolute;width:145px;height:270px;background:#24182c;border:7px solid #fff;border-radius:25px;box-shadow:var(--shadow);padding:13px;color:#fff}.phone:first-child{left:40px;top:15px;transform:rotate(-9deg)}.phone:last-child{left:170px;top:0;transform:rotate(8deg);background:var(--orange)}.phone-bar{height:8px;width:55px;background:rgba(255,255,255,.6);border-radius:10px;margin:auto}.phone-screen{margin-top:25px;border-radius:12px;background:rgba(255,255,255,.18);height:100px;padding:12px;font-size:13px}.download-panel h2{font-size:33px;line-height:1.3;color:var(--purple-dark)}.download-panel p{color:var(--muted);margin:12px 0 20px}.download-info{display:flex;gap:10px;flex-wrap:wrap;margin:17px 0}.info-tag{padding:7px 11px;border-radius:9px;background:var(--purple-soft);font-size:12px;color:var(--purple)}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-card{background:#fff;border-radius:16px;padding:23px;border:1px solid var(--line)}.guide-card strong{display:block;color:var(--purple);font-size:24px}.guide-card h3{margin:8px 0}.guide-card p{font-size:13px;color:var(--muted)}
.notice{background:#fff3e9;border:1px solid #f2d4ba;border-radius:16px;padding:25px;color:#704939}.notice h3{margin-bottom:7px}.notice p{font-size:14px}
.split-info{display:grid;grid-template-columns:1fr 1fr;gap:20px}.info-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px}.info-box h3{color:var(--purple);margin-bottom:10px}.info-box p,.info-box li{color:var(--muted);font-size:14px}.info-box ul{padding-left:20px}
.news-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}.news-feature{background:var(--purple);color:#fff;border-radius:20px;padding:30px;min-height:260px}.news-feature h3{font-size:25px;line-height:1.4;margin:18px 0}.news-feature p{color:#e2d2e7;font-size:14px}.news-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 24px}.news-item{display:block;padding:17px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border:0}.news-item h3{font-size:16px}.news-item p{color:var(--muted);font-size:13px}.news-item .meta{margin-top:5px}
.faq-grid{max-width:900px;margin:auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:11px;padding:0 20px}.faq-item summary{cursor:pointer;padding:17px 0;font-weight:700;color:var(--purple-dark);list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";float:right;color:var(--orange);font-size:20px}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 0 17px;color:var(--muted);font-size:14px}
.closing{background:var(--purple-dark);color:#fff;padding:54px 0}.closing-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.closing h2{font-size:30px}.closing p{color:#d9c9df;margin-top:6px}.site-footer{background:#211428;color:#d4c6d9;padding:52px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand strong{font-size:18px;color:#fff}.footer-brand p{font-size:13px;margin-top:12px;max-width:290px;color:#a99bae}.footer-col h3{color:#fff;font-size:14px;margin-bottom:13px}.footer-col a{display:block;color:#a99bae;font-size:13px;margin:7px 0;transition:.2s}.footer-col a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:17px;font-size:12px;color:#8f8095}
@media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px}.quick-grid{grid-template-columns:repeat(3,1fr)}.hero-grid{gap:35px}.logo{min-width:220px}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.site-header{height:68px}.logo{min-width:0;font-size:14px}.logo-mark{width:31px;height:31px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px}.nav-download{display:none}.hero{padding:56px 0}.hero-grid,.feature-grid,.download-panel,.split-info,.news-layout{grid-template-columns:1fr}.hero-art{min-height:330px;transform:none}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:12px}.link-more{display:inline-block;margin-top:12px}.game-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.download-panel{padding:25px}.phone-stack{transform:scale(.85);transform-origin:left center;margin-bottom:-35px}.footer-grid{grid-template-columns:1fr 1fr}.closing-inner{display:block}.closing .btn{margin-top:20px}}
@media(max-width:520px){.hero h1{font-size:39px;letter-spacing:-1px}.quick-grid,.game-grid,.steps,.guide-grid,.mini-list{grid-template-columns:1fr}.hero-art{min-height:285px;padding:17px}.art-grid{height:205px}.art-label{font-size:16px}.game-cover{height:145px}.section-head h2{font-size:28px}.download-panel h2{font-size:27px}.phone-stack{transform:scale(.72);height:230px}.footer-grid{grid-template-columns:1fr}.actions .btn{width:100%}}

/* roulang page: category1 */
:root{
 --purple:#552a70;--purple-dark:#32173f;--purple-soft:#efe7f5;--orange:#ed7657;
 --orange-dark:#ce5a3d;--cream:#fbf8f4;--paper:#fff;--ink:#271f2b;--muted:#766d7b;
 --line:#e7dfe9;--green:#258b72;--yellow:#e5ac46;--radius:18px;
 --shadow:0 14px 38px rgba(54,25,69,.08);--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream);line-height:1.7}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img,svg{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{height:78px;background:rgba(251,248,244,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.navbar{height:100%;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:11px;color:var(--purple-dark);font-weight:800;font-size:17px;line-height:1.2;min-width:250px}
.logo-mark{width:35px;height:35px;border-radius:11px;background:var(--purple);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:5px 5px 0 #e6c9d4}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-links a{padding:9px 13px;border-radius:10px;color:#655a68;font-size:14px;transition:.2s}
.nav-links a:hover,.nav-links a.active{background:var(--purple-soft);color:var(--purple);font-weight:700}
.nav-download,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:11px;padding:12px 19px;font-weight:700;cursor:pointer;transition:.2s}
.nav-download{background:var(--orange);color:#fff;font-size:14px}
.nav-download:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--purple)}
.page-intro{padding:74px 0 58px;background:linear-gradient(120deg,#fbf8f4 0%,#f5edf7 100%);border-bottom:1px solid var(--line)}
.crumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:22px}
.crumbs a:hover{color:var(--purple)}
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}
.eyebrow{color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:1px}
.page-intro h1{font-size:clamp(36px,5vw,62px);line-height:1.14;letter-spacing:-2px;color:var(--purple-dark);margin:14px 0 18px}
.page-intro h1 em{font-style:normal;color:var(--orange)}
.intro-copy{font-size:17px;color:var(--muted);max-width:650px;margin:0}
.intro-panel{background:var(--purple-dark);color:#fff;border-radius:22px;padding:25px;box-shadow:12px 13px 0 #e7d5e6}
.panel-caption{font-size:13px;color:#dbcbe1;margin-bottom:17px}
.status-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.status-box{padding:15px 12px;border:1px solid rgba(255,255,255,.16);border-radius:13px;background:rgba(255,255,255,.06)}
.status-box strong{display:block;font-size:22px;color:#fff}
.status-box span{font-size:12px;color:#dbcbe1}
.section{padding:78px 0}
.section-tint{background:#f3ecf6}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}
.section-head h2{font-size:clamp(26px,3vw,39px);line-height:1.25;color:var(--purple-dark);margin:7px 0 0}
.section-head p{color:var(--muted);max-width:520px;margin:0}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:29px}
.filter-chip{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:22px;padding:8px 16px;font-size:13px;transition:.2s}
.filter-chip:hover,.filter-chip.active{color:var(--purple);border-color:#c9aed4;background:var(--purple-soft)}
.play-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.play-card{display:grid;grid-template-columns:205px 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.play-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9aed4}
.play-visual{min-height:205px;padding:18px;position:relative;overflow:hidden;background:linear-gradient(145deg,#ed7657,#7b3f87)}
.play-visual.violet{background:linear-gradient(145deg,#6c3d89,#d77872)}
.play-visual.gold{background:linear-gradient(145deg,#e6ad48,#8e477b)}
.play-visual.teal{background:linear-gradient(145deg,#2c917c,#593878)}
.play-visual:after{content:"✦";position:absolute;right:12px;bottom:-28px;font-size:130px;color:rgba(255,255,255,.18)}
.visual-title{position:relative;z-index:1;color:#fff;font-size:22px;font-weight:800;line-height:1.25}
.visual-sub{position:relative;z-index:1;color:rgba(255,255,255,.8);font-size:12px;margin-top:8px}
.play-content{padding:21px}
.play-content h3{font-size:20px;color:var(--purple-dark);margin:9px 0 6px}
.play-content p{color:var(--muted);font-size:13px;line-height:1.65;margin:0}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;background:var(--purple-soft);color:var(--purple);font-size:11px;font-weight:700}
.meta{display:flex;gap:12px;color:#8a7d8e;font-size:12px;margin-top:13px;flex-wrap:wrap}
.card-link{display:inline-block;margin-top:13px;color:var(--purple);font-weight:700;font-size:13px}
.card-link:hover{color:var(--orange-dark)}
.empty-state{grid-column:1/-1;text-align:center;background:#fff;border:1px dashed #cbbbd1;color:var(--muted);padding:30px;border-radius:16px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;min-height:160px}
.step-num{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--purple);color:#fff;font-weight:800;margin-bottom:14px}
.step h3{font-size:17px;color:var(--purple-dark);margin:0 0 7px}
.step p{font-size:13px;color:var(--muted);margin:0}
.device-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.device-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:24px}
.device-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--purple-soft);color:var(--purple);font-size:20px;margin-bottom:17px}
.device-card h3{font-size:18px;color:var(--purple-dark);margin:0 0 7px}
.device-card p{font-size:13px;color:var(--muted);margin:0}
.notice{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.notice-card{border-radius:20px;padding:29px;background:var(--purple);color:#fff}
.notice-card.light{background:#fff;color:var(--ink);border:1px solid var(--line)}
.notice-card h3{font-size:23px;margin:0 0 10px}
.notice-card p{font-size:14px;color:#e3d4e8;margin:0}
.notice-card.light p{color:var(--muted)}
.faq-grid{max-width:900px;margin:auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:11px;padding:0 20px}
.faq-item summary{cursor:pointer;padding:17px 0;font-weight:700;color:var(--purple-dark);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";float:right;color:var(--orange);font-size:20px}
.faq-item[open] summary:after{content:"－"}
.faq-item p{color:var(--muted);font-size:14px;padding:0 0 17px;margin:0}
.more-wrap{text-align:center;margin-top:32px}
.site-footer{background:var(--purple-dark);color:#fff;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer-brand strong{font-size:18px}
.footer-brand p{color:#cdbbd4;font-size:13px;max-width:260px;margin-top:12px}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-col h3{font-size:14px;color:#fff;margin:0 0 9px}
.footer-col a{color:#cdbbd4;font-size:13px;transition:.2s}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;color:#ae99b7;font-size:12px}
:focus-visible{outline:3px solid rgba(237,118,87,.45);outline-offset:3px}
@media(max-width:1100px){
 .nav-links{gap:2px}.nav-links a{padding:8px 8px}.logo{min-width:220px}
 .play-card{grid-template-columns:170px 1fr}
}
@media(max-width:820px){
 .site-header{height:70px}.navbar{gap:12px}.logo{min-width:0;font-size:15px}
 .nav-links{display:none;position:absolute;left:24px;right:24px;top:70px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-download{margin-left:auto;padding:10px 13px}.menu-toggle{display:block}
 .intro-grid{grid-template-columns:1fr;gap:30px}.page-intro{padding:55px 0 45px}
 .steps{grid-template-columns:repeat(2,1fr)}.device-grid{grid-template-columns:1fr 1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
 .container{width:min(var(--container),calc(100% - 30px))}
 .page-intro h1{font-size:39px;letter-spacing:-1px}.intro-copy{font-size:15px}
 .status-row{grid-template-columns:1fr 1fr 1fr}.status-box{padding:12px 8px}.status-box strong{font-size:18px}
 .section{padding:57px 0}.section-head{display:block}.section-head p{margin-top:12px}
 .filter-bar{gap:7px}.filter-chip{padding:7px 12px}
 .play-grid,.notice{grid-template-columns:1fr}.play-card{grid-template-columns:135px 1fr}.play-visual{min-height:190px}.play-content{padding:16px}.play-content h3{font-size:17px}
 .steps,.device-grid{grid-template-columns:1fr}.step{min-height:0}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-brand{grid-column:1/-1}
 .copyright{line-height:1.8}
}

/* roulang page: article */
:root{
 --purple:#552a70;
 --purple-dark:#32173f;
 --purple-soft:#efe7f5;
 --orange:#ed7657;
 --orange-dark:#ce5a3d;
 --cream:#fbf8f4;
 --paper:#fff;
 --ink:#271f2b;
 --muted:#766d7b;
 --line:#e7dfe9;
 --green:#258b72;
 --yellow:#e5ac46;
 --radius:18px;
 --shadow:0 14px 38px rgba(54,25,69,.08);
 --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
 color:var(--ink);
 background:var(--cream);
 line-height:1.7;
}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(237,118,87,.42);outline-offset:3px}
button,input{font:inherit}
img,svg{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{
 height:78px;
 background:rgba(251,248,244,.95);
 border-bottom:1px solid var(--line);
 position:sticky;
 top:0;
 z-index:20;
 backdrop-filter:blur(12px);
}
.navbar{height:100%;display:flex;align-items:center;gap:30px}
.logo{
 display:flex;
 align-items:center;
 gap:11px;
 color:var(--purple-dark);
 font-weight:800;
 font-size:17px;
 line-height:1.2;
 min-width:250px;
}
.logo-mark{
 width:35px;
 height:35px;
 border-radius:11px;
 background:var(--purple);
 color:#fff;
 display:grid;
 place-items:center;
 font-size:19px;
 box-shadow:5px 5px 0 #e6c9d4;
 flex:none;
}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-links a{
 padding:9px 13px;
 border-radius:10px;
 color:#655a68;
 font-size:14px;
 transition:.2s;
 white-space:nowrap;
}
.nav-links a:hover,.nav-links a.active{background:var(--purple-soft);color:var(--purple);font-weight:700}
.nav-download,.btn{
 display:inline-flex;
 align-items:center;
 justify-content:center;
 gap:8px;
 border:0;
 border-radius:11px;
 padding:12px 19px;
 font-weight:700;
 cursor:pointer;
 transition:.2s;
}
.nav-download{background:var(--orange);color:#fff;font-size:14px;white-space:nowrap}
.nav-download:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--purple)}
.page-top{
 padding:58px 0 52px;
 background:linear-gradient(120deg,#fbf8f4 0%,#f5edf7 100%);
 border-bottom:1px solid var(--line);
}
.breadcrumbs{
 display:flex;
 align-items:center;
 gap:9px;
 color:var(--muted);
 font-size:13px;
 margin-bottom:25px;
 flex-wrap:wrap;
}
.breadcrumbs a{color:var(--purple)}
.breadcrumbs a:hover{text-decoration:underline}
.breadcrumbs .slash{color:#b4a5b8}
.article-heading{max-width:900px}
.article-heading .eyebrow{
 color:var(--orange-dark);
 font-size:13px;
 font-weight:800;
 letter-spacing:1px;
}
.article-heading h1{
 color:var(--purple-dark);
 font-size:clamp(32px,5vw,58px);
 line-height:1.2;
 letter-spacing:-1.4px;
 margin:13px 0 20px;
}
.article-lead{
 color:var(--muted);
 font-size:17px;
 max-width:790px;
 margin:0;
}
.article-meta{
 display:flex;
 gap:12px;
 align-items:center;
 flex-wrap:wrap;
 margin-top:25px;
 color:var(--muted);
 font-size:13px;
}
.meta-pill{
 padding:6px 11px;
 border:1px solid var(--line);
 border-radius:30px;
 background:rgba(255,255,255,.72);
}
.meta-pill strong{color:var(--purple)}
.article-layout{
 display:grid;
 grid-template-columns:minmax(0,820px) 280px;
 gap:52px;
 align-items:start;
 padding:72px 0 86px;
}
.article-content{
 background:var(--paper);
 border:1px solid var(--line);
 border-radius:22px;
 padding:clamp(25px,5vw,58px);
 box-shadow:var(--shadow);
 overflow:hidden;
}
.article-content h2{
 color:var(--purple-dark);
 font-size:28px;
 line-height:1.35;
 margin:34px 0 15px;
}
.article-content h3{
 color:var(--purple);
 font-size:21px;
 line-height:1.4;
 margin:28px 0 10px;
}
.article-content p{
 margin:0 0 19px;
 color:#514855;
 font-size:16px;
 line-height:2;
}
.article-content ul,.article-content ol{
 padding-left:1.5em;
 margin:15px 0 25px;
 color:#514855;
}
.article-content li{padding:4px 0;line-height:1.9}
.article-content blockquote{
 margin:27px 0;
 padding:18px 22px;
 border-left:4px solid var(--orange);
 background:#fff5f1;
 color:#654d55;
 border-radius:0 12px 12px 0;
}
.article-content img{
 width:100%;
 height:auto;
 border-radius:14px;
 margin:25px 0;
}
.article-content table{
 width:100%;
 border-collapse:collapse;
 margin:24px 0;
 font-size:14px;
}
.article-content th,.article-content td{
 border:1px solid var(--line);
 padding:11px 13px;
 text-align:left;
}
.article-content th{background:var(--purple-soft);color:var(--purple-dark)}
.article-content a{color:var(--purple);font-weight:700}
.article-content a:hover{color:var(--orange-dark);text-decoration:underline}
.article-note{
 margin-top:34px;
 padding:19px 21px;
 background:#f3ecf6;
 border-left:4px solid var(--purple);
 border-radius:0 13px 13px 0;
 color:#574660;
 font-size:14px;
}
.article-note strong{display:block;color:var(--purple-dark);margin-bottom:4px}
.article-side{position:sticky;top:105px}
.side-card{
 background:#fff;
 border:1px solid var(--line);
 border-radius:18px;
 padding:22px;
 margin-bottom:17px;
}
.side-card h2{
 font-size:17px;
 color:var(--purple-dark);
 margin:0 0 14px;
}
.side-card p{font-size:13px;color:var(--muted);margin:0}
.side-nav{display:grid;gap:8px}
.side-nav a{
 color:var(--muted);
 font-size:13px;
 padding:8px 10px;
 border-radius:9px;
 transition:.2s;
}
.side-nav a:hover{color:var(--purple);background:var(--purple-soft)}
.side-status{
 display:flex;
 align-items:center;
 gap:8px;
 color:var(--green);
 font-size:13px;
 margin-top:14px;
}
.side-status i{
 width:8px;
 height:8px;
 border-radius:50%;
 background:var(--green);
 display:block;
}
.related-section{padding:0 0 82px}
.section-head{
 display:flex;
 align-items:end;
 justify-content:space-between;
 gap:25px;
 margin-bottom:26px;
}
.section-head h2{
 font-size:clamp(25px,3vw,36px);
 line-height:1.25;
 color:var(--purple-dark);
 margin:7px 0 0;
}
.eyebrow{color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:1px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{
 background:#fff;
 border:1px solid var(--line);
 border-radius:17px;
 padding:22px;
 transition:.22s;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9aed4}
.related-card h3{font-size:18px;color:var(--purple-dark);margin:13px 0 8px;line-height:1.45}
.related-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}
.related-card .meta{margin-top:14px}
.badge{
 display:inline-block;
 padding:3px 8px;
 border-radius:20px;
 background:var(--purple-soft);
 color:var(--purple);
 font-size:11px;
 font-weight:700;
}
.meta{display:flex;gap:13px;color:#8a7d8e;font-size:12px;flex-wrap:wrap}
.card-link{display:inline-block;margin-top:14px;color:var(--purple);font-weight:700;font-size:13px}
.card-link:hover{color:var(--orange-dark)}
.article-bottom{
 background:var(--purple-dark);
 color:#fff;
 border-radius:22px;
 padding:31px 35px;
 display:flex;
 justify-content:space-between;
 align-items:center;
 gap:25px;
}
.article-bottom h2{font-size:24px;margin:0 0 7px}
.article-bottom p{color:#d8c9df;margin:0;font-size:14px}
.bottom-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{font-size:14px}
.btn-primary{background:var(--orange);color:#fff}
.btn-secondary{background:#fff;color:var(--purple);border:1px solid var(--line)}
.btn-secondary:hover{border-color:var(--purple);transform:translateY(-2px)}
.faq-section{padding:0 0 85px}
.faq-grid{max-width:900px}
.faq-item{
 background:#fff;
 border:1px solid var(--line);
 border-radius:13px;
 margin-bottom:11px;
 padding:0 20px;
}
.faq-item summary{
 cursor:pointer;
 padding:17px 0;
 font-weight:700;
 color:var(--purple-dark);
 list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";float:right;color:var(--orange);font-size:20px}
.faq-item[open] summary:after{content:"－"}
.faq-item p{color:var(--muted);font-size:14px;margin:0 0 18px;line-height:1.85}
.site-footer{background:var(--purple-dark);color:#fff;padding:54px 0 23px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:40px}
.footer-brand strong{font-size:18px;display:block;margin-bottom:14px}
.footer-brand p{color:#d6c9dc;font-size:13px;max-width:250px;margin:0}
.footer-col{display:grid;align-content:start;gap:8px}
.footer-col h3{font-size:14px;margin:0 0 9px;color:#fff}
.footer-col a{font-size:13px;color:#cdbed3;transition:.2s}
.footer-col a:hover{color:#fff;padding-left:3px}
.copyright{
 border-top:1px solid rgba(255,255,255,.14);
 margin-top:38px;
 padding-top:18px;
 color:#bcaec4;
 font-size:12px;
}
.empty-state{
 padding:42px 20px;
 background:#faf7fb;
 border:1px dashed #cbb7d2;
 border-radius:15px;
 text-align:center;
 color:var(--muted);
}
.empty-state strong{display:block;color:var(--purple-dark);font-size:19px;margin-bottom:8px}
.empty-state a{color:var(--purple);font-weight:700}
@media (max-width:1080px){
 .nav-links{gap:2px}
 .nav-links a{padding:8px 9px;font-size:13px}
 .nav-download{padding:11px 13px}
 .article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:28px}
}
@media (max-width:820px){
 .site-header{height:70px}
 .navbar{gap:14px}
 .logo{min-width:0;font-size:15px;flex:1}
 .logo-mark{width:32px;height:32px;font-size:17px}
 .nav-links{
  display:none;
  position:absolute;
  top:70px;
  left:0;
  right:0;
  background:var(--cream);
  border-bottom:1px solid var(--line);
  padding:14px 24px 20px;
  box-shadow:0 12px 25px rgba(54,25,69,.08);
 }
 .nav-links.open{display:grid}
 .nav-links a{padding:12px 14px}
 .nav-download{display:none}
 .menu-toggle{display:block}
 .page-top{padding:42px 0 38px}
 .article-layout{display:block;padding:45px 0 65px}
 .article-side{position:static;margin-top:25px}
 .side-card{margin-bottom:12px}
 .related-grid{grid-template-columns:1fr 1fr}
 .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
}
@media (max-width:520px){
 .container{width:min(var(--container),calc(100% - 30px))}
 .article-heading h1{font-size:34px;letter-spacing:-.7px}
 .article-lead{font-size:15px}
 .article-content{padding:24px 20px;border-radius:16px}
 .article-content h2{font-size:24px}
 .article-content p{font-size:15px;line-height:1.9}
 .article-meta{gap:7px}
 .related-grid{grid-template-columns:1fr}
 .article-bottom{display:block;padding:25px 22px}
 .bottom-actions{margin-top:20px}
 .bottom-actions .btn{width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}
 .footer-brand{grid-column:1/-1}
 .copyright{line-height:1.8}
}

/* roulang page: category2 */
:root{
 --purple:#552a70;--purple-dark:#32173f;--purple-soft:#efe7f5;--orange:#ed7657;
 --orange-dark:#ce5a3d;--cream:#fbf8f4;--paper:#fff;--ink:#271f2b;--muted:#766d7b;
 --line:#e7dfe9;--green:#258b72;--yellow:#e5ac46;--radius:18px;
 --shadow:0 14px 38px rgba(54,25,69,.08);--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream);line-height:1.7}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img,svg{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{height:78px;background:rgba(251,248,244,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.navbar{height:100%;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:11px;color:var(--purple-dark);font-weight:800;font-size:17px;line-height:1.2;min-width:250px}
.logo-mark{width:35px;height:35px;border-radius:11px;background:var(--purple);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:5px 5px 0 #e6c9d4}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-links a{padding:9px 13px;border-radius:10px;color:#655a68;font-size:14px;transition:.2s}
.nav-links a:hover,.nav-links a.active{background:var(--purple-soft);color:var(--purple);font-weight:700}
.nav-download,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:11px;padding:12px 19px;font-weight:700;cursor:pointer;transition:.2s}
.nav-download{background:var(--orange);color:#fff;font-size:14px}
.nav-download:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--purple)}
.page-intro{padding:72px 0 54px;background:linear-gradient(120deg,#fbf8f4 0%,#f5edf7 100%);border-bottom:1px solid var(--line)}
.intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:end}
.kicker,.eyebrow{color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:1px}
.page-intro h1{font-size:clamp(36px,5vw,62px);line-height:1.16;letter-spacing:-1.5px;color:var(--purple-dark);margin:16px 0 19px}
.page-intro h1 em{font-style:normal;color:var(--orange)}
.intro-copy{font-size:17px;color:var(--muted);max-width:700px;margin:0}
.intro-note{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow)}
.intro-note strong{display:block;color:var(--purple-dark);font-size:18px;margin-bottom:13px}
.status-row{display:flex;flex-wrap:wrap;gap:8px}
.status{padding:7px 11px;border-radius:10px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:700}
.status.green{background:#e6f3ee;color:var(--green)}
.section{padding:78px 0}
.section-tint{background:#f3ecf6}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
.section-head h2{font-size:clamp(26px,3vw,39px);line-height:1.25;color:var(--purple-dark);margin:8px 0 0}
.section-head p{color:var(--muted);max-width:530px;margin:0}
.topic-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 17px;min-height:148px;transition:.22s}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9aed4}
.topic-icon{width:37px;height:37px;border-radius:12px;background:var(--purple-soft);color:var(--purple);display:grid;place-items:center;font-weight:800;margin-bottom:16px}
.topic-card h3{font-size:16px;margin:0 0 5px;color:var(--purple-dark)}
.topic-card p{font-size:12px;color:var(--muted);margin:0}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 18px;background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:24px}
.filter-label{font-weight:800;color:var(--purple-dark);font-size:14px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter{border:1px solid var(--line);background:#fff;color:var(--muted);padding:7px 12px;border-radius:9px;font-size:12px;cursor:pointer;transition:.2s}
.filter:hover,.filter.active{background:var(--purple);border-color:var(--purple);color:#fff}
.content-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.content-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;transition:.22s}
.content-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.content-card.featured{min-height:270px;background:var(--purple-dark);color:#fff;position:relative;overflow:hidden}
.content-card.featured:after{content:"◈";position:absolute;right:25px;bottom:-42px;font-size:170px;color:rgba(255,255,255,.08)}
.content-card.featured h3{font-size:28px;max-width:390px;line-height:1.35;margin:18px 0 12px;position:relative;z-index:1}
.content-card.featured p{color:#ddcde1;max-width:420px;position:relative;z-index:1}
.card-label{display:inline-block;padding:4px 9px;border-radius:20px;background:var(--purple-soft);color:var(--purple);font-size:11px;font-weight:800}
.featured .card-label{background:rgba(255,255,255,.14);color:#ffe3d8}
.content-list{display:grid;gap:12px}
.content-list-item{display:block;padding:17px 18px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.2s}
.content-list-item:hover{border-color:#c9aed4;background:#fdfaff}
.content-list-item h3{font-size:16px;color:var(--purple-dark);margin:8px 0 4px}
.content-list-item p{font-size:13px;color:var(--muted);margin:0}
.meta{display:flex;gap:13px;color:#8a7d8e;font-size:12px;flex-wrap:wrap}
.meta span:first-child{color:var(--orange-dark);font-weight:700}
.empty-state{padding:28px;border:1px dashed #cdbbd2;border-radius:14px;color:var(--muted);background:#fff;text-align:center}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;min-height:175px}
.step-num{font-size:27px;font-weight:900;color:var(--orange)}
.step h3{font-size:17px;color:var(--purple-dark);margin:7px 0}
.step p{font-size:13px;color:var(--muted);margin:0}
.timeline{position:relative;max-width:900px;margin:auto;padding-left:34px}
.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:#d8c7dd}
.timeline-item{position:relative;padding:0 0 27px 25px}
.timeline-item:before{content:"";position:absolute;left:-32px;top:7px;width:16px;height:16px;border-radius:50%;background:var(--orange);border:4px solid #f3ecf6}
.timeline-item strong{color:var(--purple);font-size:13px}
.timeline-item h3{font-size:18px;margin:5px 0;color:var(--purple-dark)}
.timeline-item p{font-size:13px;color:var(--muted);margin:0}
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.device-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:25px}
.device-card strong{display:flex;align-items:center;gap:10px;color:var(--purple-dark);font-size:18px}
.device-symbol{width:40px;height:40px;border-radius:12px;background:var(--purple);color:#fff;display:grid;place-items:center;font-size:18px}
.device-card p{font-size:13px;color:var(--muted);margin:15px 0 0}
.faq-grid{max-width:900px;margin:auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:11px;padding:0 20px}
.faq-item summary{cursor:pointer;padding:17px 0;font-weight:700;color:var(--purple-dark);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";float:right;color:var(--orange);font-size:20px}
.faq-item[open] summary:after{content:"－"}
.faq-answer{color:var(--muted);font-size:14px;padding:0 0 17px;max-width:760px}
.more-box{background:var(--purple);border-radius:22px;padding:34px;color:#fff;text-align:center}
.more-box h2{margin:0 0 9px;font-size:28px}
.more-box p{color:#e5d5e8;margin:0 0 20px}
.more-box .btn-secondary{background:#fff;color:var(--purple)}
.site-footer{background:var(--purple-dark);color:#fff;padding:55px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
.footer-brand strong{font-size:19px}
.footer-brand p{color:#cbb9d1;font-size:13px;max-width:275px;margin-top:14px}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-col h3{font-size:14px;margin:0 0 9px;color:#ffe0d7}
.footer-col a{font-size:13px;color:#cbb9d1;transition:.2s}
.footer-col a:hover{color:#fff;padding-left:3px}
.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;color:#ad9ab5;font-size:12px}
:focus-visible{outline:3px solid rgba(237,118,87,.45);outline-offset:3px}
@media(max-width:1024px){
 .nav-links{gap:2px}.nav-links a{padding:8px 8px;font-size:13px}.navbar{gap:15px}
 .topic-grid{grid-template-columns:repeat(3,1fr)}.intro-grid{gap:35px}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 34px))}
 .site-header{height:70px}.logo{min-width:0;font-size:15px}.logo-mark{width:32px;height:32px}
 .menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:70px;left:17px;right:17px;background:#fff;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{text-align:center}.nav-download{display:none}
 .page-intro{padding:55px 0 42px}.intro-grid{grid-template-columns:1fr;gap:25px}.page-intro h1{font-size:43px}
 .section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}
 .topic-grid{grid-template-columns:repeat(2,1fr)}.content-layout{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}
 .device-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:520px){
 .page-intro h1{font-size:35px}.intro-copy{font-size:15px}.filter-bar{display:block}.filters{margin-top:12px}
 .topic-grid{grid-template-columns:1fr 1fr;gap:9px}.topic-card{padding:15px 13px;min-height:135px}
 .content-card.featured h3{font-size:23px}.steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}
 .copyright{line-height:1.8}.more-box{padding:28px 18px}
}

/* roulang page: category3 */
:root{
 --purple:#552a70;--purple-dark:#32173f;--purple-soft:#efe7f5;--orange:#ed7657;
 --orange-dark:#ce5a3d;--cream:#fbf8f4;--paper:#fff;--ink:#271f2b;--muted:#766d7b;
 --line:#e7dfe9;--green:#258b72;--yellow:#e5ac46;--radius:18px;
 --shadow:0 14px 38px rgba(54,25,69,.08);--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream);line-height:1.7}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{border:0}
img,svg{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{height:78px;background:rgba(251,248,244,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.navbar{height:100%;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:11px;color:var(--purple-dark);font-weight:800;font-size:17px;line-height:1.2;min-width:250px}
.logo-mark{width:35px;height:35px;border-radius:11px;background:var(--purple);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:5px 5px 0 #e6c9d4;flex:none}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-links a{padding:9px 13px;border-radius:10px;color:#655a68;font-size:14px;transition:.2s}
.nav-links a:hover,.nav-links a.active{background:var(--purple-soft);color:var(--purple);font-weight:700}
.nav-download,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 19px;font-weight:700;cursor:pointer;transition:.2s}
.nav-download{background:var(--orange);color:#fff;font-size:14px}
.nav-download:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);color:#fff}
.menu-toggle{display:none;background:none;font-size:25px;color:var(--purple);padding:7px}
.btn{font-size:15px}
.btn-primary{background:var(--orange);color:#fff}
.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--purple)}
.btn-secondary:hover{border-color:var(--purple);transform:translateY(-2px)}
.btn:focus-visible,.nav-links a:focus-visible,.nav-download:focus-visible,summary:focus-visible{outline:3px solid rgba(237,118,87,.35);outline-offset:3px}
.page-intro{padding:72px 0 54px;background:linear-gradient(120deg,#fbf8f4 0%,#f5edf7 100%);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:22px}
.breadcrumb a{color:var(--purple);font-weight:700}
.eyebrow,.kicker{color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:1px}
.page-intro h1{font-size:clamp(34px,5vw,60px);line-height:1.18;letter-spacing:-1.5px;color:var(--purple-dark);margin:13px 0 15px;max-width:800px}
.page-intro h1 em{font-style:normal;color:var(--orange)}
.intro-copy{max-width:690px;color:var(--muted);font-size:17px;margin:0}
.intro-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:30px;flex-wrap:wrap}
.status-row{display:flex;gap:10px;flex-wrap:wrap}
.status-pill{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 13px;color:var(--muted);font-size:12px}
.status-pill i{width:7px;height:7px;border-radius:50%;background:var(--green);display:block}
.section{padding:78px 0}
.section-tint{background:#f3ecf6}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:29px}
.section-head h2{font-size:clamp(25px,3vw,38px);line-height:1.25;color:var(--purple-dark);margin:8px 0 0}
.section-head p{color:var(--muted);max-width:520px;margin:0}
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;min-height:134px}
.info-card .label{font-size:12px;color:var(--muted);display:block;margin-bottom:7px}
.info-card strong{font-size:21px;color:var(--purple-dark)}
.info-card small{display:block;color:var(--muted);font-size:12px;margin-top:5px}
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);padding:14px;border-radius:16px}
.filter-label{font-weight:800;color:var(--purple-dark);font-size:13px;margin-right:5px}
.filter-chip{background:var(--cream);color:var(--muted);border:1px solid var(--line);border-radius:9px;padding:8px 13px;font-size:13px;cursor:pointer;transition:.2s}
.filter-chip:hover,.filter-chip.active{background:var(--purple);border-color:var(--purple);color:#fff}
.download-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.app-preview{min-height:390px;background:var(--purple-dark);border-radius:25px;padding:30px;position:relative;overflow:hidden;color:#fff}
.app-preview:before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:#6d4386;right:-100px;top:-100px;opacity:.7}
.app-preview:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:#ed7657;left:-60px;bottom:-80px;opacity:.75}
.preview-caption{position:relative;z-index:1;color:#eadced;font-size:13px}
.phone{position:absolute;z-index:2;right:21%;bottom:-75px;width:175px;height:335px;background:#17121b;border:7px solid #776187;border-radius:29px;box-shadow:0 18px 30px rgba(0,0,0,.25);padding:9px}
.phone-screen{height:100%;border-radius:19px;background:linear-gradient(160deg,#f28b69,#7c3e82 50%,#32173f);padding:18px 12px;color:#fff}
.phone-notch{width:55px;height:13px;background:#17121b;border-radius:0 0 10px 10px;margin:-9px auto 20px}
.phone-screen b{font-size:18px;display:block;margin-bottom:17px}
.screen-row{height:49px;background:rgba(255,255,255,.17);border-radius:10px;margin-bottom:9px;padding:13px 9px;font-size:11px}
.screen-row span{float:right;color:#ffd4ae}
.download-panel{background:#fff;border:1px solid var(--line);border-radius:25px;padding:34px}
.download-panel h2{color:var(--purple-dark);font-size:31px;line-height:1.3;margin:8px 0 12px}
.download-panel p{color:var(--muted);font-size:14px}
.device-tags{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}
.device-tag{padding:6px 10px;border-radius:8px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:700}
.download-meta{display:grid;grid-template-columns:1fr 1fr;gap:10px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:17px 0;margin:21px 0}
.download-meta span{display:block;color:var(--muted);font-size:12px}
.download-meta strong{color:var(--ink);font-size:14px}
.qr-row{display:flex;align-items:center;gap:14px;margin:20px 0}
.qr{width:76px;height:76px;border:7px solid #fff;outline:1px solid var(--line);border-radius:5px;background:repeating-linear-gradient(45deg,var(--purple) 0 4px,#fff 4px 8px),repeating-linear-gradient(-45deg,transparent 0 5px,#ed7657 5px 8px)}
.qr-row small{color:var(--muted);font-size:12px}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:23px;min-height:176px}
.step-no{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--purple);color:#fff;font-weight:800;margin-bottom:18px}
.step-card h3{font-size:17px;margin:0 0 7px;color:var(--purple-dark)}
.step-card p{font-size:13px;color:var(--muted);margin:0}
.device-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:stretch}
.device-note{background:var(--purple);border-radius:22px;padding:31px;color:#fff}
.device-note h2{font-size:29px;line-height:1.3;margin:10px 0 14px}
.device-note p{color:#e5d6e8;font-size:14px}
.device-list{margin:24px 0 0;padding:0;list-style:none}
.device-list li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.16);font-size:14px}
.device-list li:last-child{border-bottom:0}
.device-list b{display:inline-block;width:76px;color:#fff}
.device-table{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px}
.device-table .table-row{display:grid;grid-template-columns:110px 1fr 100px;gap:15px;align-items:center;padding:17px 5px;border-bottom:1px solid var(--line);font-size:13px}
.device-table .table-row:last-child{border:0}
.device-table .table-row strong{color:var(--purple-dark)}
.device-table .table-row span{color:var(--muted)}
.compatible{color:var(--green)!important;font-weight:700}
.ios-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px 31px;display:grid;grid-template-columns:1fr 1fr;gap:30px}
.ios-panel h2{color:var(--purple-dark);font-size:27px;line-height:1.35;margin:8px 0 10px}
.ios-panel p{color:var(--muted);font-size:14px;margin:0}
.notice-list{display:grid;gap:12px}
.notice-item{display:flex;gap:13px;padding:14px 0;border-bottom:1px solid var(--line)}
.notice-item:last-child{border:0}
.notice-icon{width:30px;height:30px;background:var(--purple-soft);color:var(--purple);border-radius:9px;display:grid;place-items:center;flex:none;font-weight:800}
.notice-item strong{display:block;font-size:14px;color:var(--purple-dark)}
.notice-item span{display:block;color:var(--muted);font-size:13px}
.news-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px}
.news-feature{background:var(--purple);color:#fff;border-radius:20px;padding:30px;min-height:260px}
.news-feature h3{font-size:25px;line-height:1.4;margin:18px 0}
.news-feature p{color:#e2d2e7;font-size:14px}
.news-feature .btn{margin-top:18px}
.news-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 24px}
.news-item{display:block;padding:17px 0;border-bottom:1px solid var(--line)}
.news-item:last-child{border:0}
.news-item h3{font-size:16px;margin:0}
.news-item p{color:var(--muted);font-size:13px;margin:3px 0 0}
.news-item .meta{margin-top:5px}
.meta{display:flex;gap:13px;color:#8a7d8e;font-size:12px;flex-wrap:wrap}
.meta .category{color:var(--purple);font-weight:700}
.empty-state{padding:42px 12px;text-align:center;color:var(--muted);font-size:14px}
.faq-grid{max-width:900px;margin:auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:11px;padding:0 20px}
.faq-item summary{cursor:pointer;padding:17px 0;font-weight:700;color:var(--purple-dark);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";float:right;color:var(--orange);font-size:20px}
.faq-item[open] summary:after{content:"−"}
.faq-item p{color:var(--muted);font-size:14px;padding:0 25px 18px 0;margin:0}
.more-wrap{text-align:center;margin-top:30px}
.cta-strip{background:var(--orange);color:#fff;border-radius:22px;padding:28px 34px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.cta-strip h2{font-size:25px;margin:0 0 5px}
.cta-strip p{margin:0;color:#fff1eb;font-size:14px}
.cta-strip .btn{background:#fff;color:var(--purple)}
.site-footer{background:var(--purple-dark);color:#fff;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer-brand strong{font-size:19px}
.footer-brand p{color:#cdbbd3;font-size:13px;max-width:270px;margin-top:14px}
.footer-col h3{font-size:14px;margin:0 0 14px;color:#fff}
.footer-col a{display:block;color:#cdbbd3;font-size:13px;margin:8px 0;transition:.2s}
.footer-col a:hover{color:#fff1eb;transform:translateX(2px)}
.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:20px;color:#ae9bb6;font-size:12px}
@media (max-width:1024px){
 .nav-links{gap:2px}.nav-links a{padding:8px 8px;font-size:13px}.logo{min-width:210px}
 .info-grid{grid-template-columns:repeat(2,1fr)}.steps-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
 .site-header{height:70px}.navbar{gap:12px}.logo{font-size:14px;min-width:0;flex:1}.logo-mark{width:32px;height:32px}
 .menu-toggle{display:block}.nav-download{padding:10px 12px;font-size:12px}
 .nav-links{display:none;position:absolute;top:70px;left:24px;right:24px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{display:block;padding:12px 14px}
 .page-intro{padding:52px 0 42px}.intro-bottom{align-items:flex-start;flex-direction:column}
 .download-layout,.device-layout,.news-layout,.ios-panel{grid-template-columns:1fr}.app-preview{min-height:350px}.phone{right:25%}
 .section{padding:59px 0}.section-head{display:block}.section-head p{margin-top:10px}
 .steps-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .cta-strip{display:block}.cta-strip .btn{margin-top:18px}
}
@media (max-width:520px){
 .container{width:min(var(--container),calc(100% - 30px))}
 .logo{line-height:1.15}.logo-mark{box-shadow:3px 3px 0 #e6c9d4}.nav-download{display:none}
 .page-intro h1{font-size:36px;letter-spacing:-1px}.intro-copy{font-size:15px}
 .info-grid,.steps-grid{grid-template-columns:1fr}.filter-bar{align-items:flex-start}.filter-label{width:100%}
 .download-panel{padding:24px}.download-panel h2{font-size:26px}.app-preview{min-height:310px;padding:23px}.phone{width:145px;height:282px;right:18%;bottom:-62px}
 .device-table{padding:13px}.device-table .table-row{grid-template-columns:76px 1fr;gap:8px;padding:14px 3px}.device-table .table-row .compatible{grid-column:2}
 .ios-panel{padding:24px}.news-list{padding:8px 17px}.news-feature{padding:24px;min-height:220px}
 .footer-grid{grid-template-columns:1fr;gap:22px}.copyright{line-height:1.8}
}