/* roulang page: index */
:root{
  --ink:#17211d;
  --ink-2:#26332d;
  --lime:#b9f340;
  --lime-soft:#e9ffc0;
  --purple:#7f63f4;
  --purple-soft:#eeeaff;
  --mist:#f5f7f1;
  --paper:#fcfdf9;
  --line:#dce3d8;
  --muted:#64716b;
  --orange:#e68432;
  --shadow:0 12px 28px rgba(23,33,29,.09);
  --shadow-hover:0 18px 34px rgba(23,33,29,.14);
  --radius:16px;
  --radius-lg:22px;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.68}
a{color:inherit;text-decoration:none}
button{font:inherit}
img{display:block;max-width:100%}
.container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
.section{padding:96px 0;position:relative}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--purple)}
.eyebrow:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(185,243,64,.18)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5.4vw,72px);line-height:1.12;letter-spacing:-.055em}
h2{font-size:clamp(29px,3.1vw,44px);line-height:1.2;letter-spacing:-.04em;margin-bottom:10px}
h3{font-size:20px;line-height:1.35;margin-bottom:8px}
.section-lead{max-width:650px;color:var(--muted);margin:0;font-size:17px}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:800;gap:9px;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,33,29,.18)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(127,99,244,.42);outline-offset:3px}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-outline{border-color:#a9b5ad;background:transparent;color:var(--ink)}
.btn-outline:hover{background:#e9f3df}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#293931}
.text-link{font-size:14px;font-weight:800;display:inline-flex;align-items:center;gap:7px;border-bottom:1px solid var(--lime);padding-bottom:2px;transition:color .2s}
.text-link:hover{color:var(--purple)}
.tag{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-size:12px;line-height:1.2;font-weight:800;background:var(--purple-soft);color:#5741bd}
.tag.lime{background:var(--lime-soft);color:#344d08}
.tag.orange{background:#fff0df;color:#ad5714}
.site-header{position:sticky;top:0;z-index:30;background:rgba(252,253,249,.96);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:17px;line-height:1.2;letter-spacing:-.03em;max-width:270px}
.brand-mark{position:relative;width:32px;height:32px;border-radius:9px;background:var(--ink);flex:0 0 auto;overflow:hidden}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
.brand-mark:before{width:16px;height:6px;left:8px;top:13px}
.brand-mark:after{width:6px;height:16px;left:13px;top:8px}
.main-nav{display:flex;align-items:stretch;gap:21px;margin-left:auto;height:100%}
.main-nav a{position:relative;display:flex;align-items:center;font-size:14px;font-weight:750;color:#425149;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a.active:after{content:"";position:absolute;bottom:0;left:4px;right:4px;height:3px;border-radius:4px 4px 0 0;background:var(--lime)}
.nav-cta{margin-left:2px;min-height:42px;padding:0 15px}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--paper);width:42px;height:42px;border-radius:10px;color:var(--ink);font-size:20px}
.hero{overflow:hidden;background:var(--paper);padding:72px 0 60px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:50px;align-items:center}
.hero-copy{padding:16px 0}
.hero h1{max-width:720px;margin-bottom:22px}
.hero h1 strong{color:var(--purple)}
.hero-sub{max-width:610px;color:#536159;font-size:18px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:27px}
.version-mini{display:flex;align-items:center;gap:12px;color:#526059;font-size:13px;font-weight:700}
.pulse{width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(185,243,64,.23)}
.hero-stage{min-height:410px;position:relative}
.grid-bg{position:absolute;inset:13px 0 0 30px;border-radius:28px;background-image:linear-gradient(rgba(23,33,29,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(23,33,29,.07) 1px,transparent 1px);background-size:22px 22px}
.screen{position:absolute;border:1px solid rgba(23,33,29,.13);box-shadow:var(--shadow);overflow:hidden}
.screen-main{z-index:3;width:76%;top:44px;left:2%;background:var(--ink);border-radius:20px;padding:15px}
.screen-top{display:flex;gap:6px;margin-bottom:13px}
.screen-top i{width:7px;height:7px;border-radius:50%;background:#718078}.screen-top i:first-child{background:var(--lime)}
.game-banner{height:120px;border-radius:12px;background:linear-gradient(125deg,#795cfc,#b9f340);padding:18px;display:flex;justify-content:space-between;align-items:end;color:#fff}
.game-banner b{font-size:25px;line-height:1.1;max-width:130px}.game-banner span{font-size:12px;font-weight:800;background:rgba(23,33,29,.35);padding:6px 9px;border-radius:999px}
.game-dots{display:flex;gap:10px;margin-top:15px}.game-dots span{height:55px;flex:1;border-radius:10px;background:#33463c}.game-dots span:nth-child(2){background:#637e55}.game-dots span:nth-child(3){background:#b9f340}
.screen-side{z-index:4;right:0;bottom:14px;width:43%;border-radius:17px;background:var(--paper);padding:16px}
.side-head{font-size:12px;font-weight:800;color:var(--muted);margin-bottom:13px}.download-row{display:flex;align-items:center;gap:10px}.app-icon{width:39px;height:39px;border-radius:11px;background:var(--purple);position:relative;flex:0 0 auto}.app-icon:after{content:"▶";color:var(--lime);position:absolute;left:14px;top:8px;font-size:16px}.download-row b{display:block;font-size:13px}.download-row small{display:block;color:var(--muted);font-size:11px}.progress{height:7px;border-radius:8px;background:#e4e8e2;margin-top:14px;overflow:hidden}.progress i{display:block;width:68%;height:100%;border-radius:inherit;background:var(--lime)}
.screen-chip{position:absolute;z-index:5;left:48%;bottom:0;border-radius:12px;padding:11px 13px;background:var(--purple);color:#fff;font-size:12px;font-weight:800;box-shadow:var(--shadow)}
.status-bar{background:var(--ink);color:#fff;padding:0}
.status-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.status-item{min-height:103px;padding:25px 27px;border-right:1px solid rgba(255,255,255,.16)}
.status-item:last-child{border:0}.status-item small{display:block;color:#aebbb3;font-size:12px;margin-bottom:5px}.status-item b{font-size:16px}.status-item b:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--lime);margin-right:9px}
.featured-grid{display:grid;grid-template-columns:1.25fr .85fr .85fr;gap:18px}
.play-card{min-height:302px;position:relative;border-radius:var(--radius-lg);overflow:hidden;padding:24px;color:#fff;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.play-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.play-card:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(14,22,18,.88),rgba(14,22,18,.06) 72%)}
.play-card>*{position:relative}.play-card:nth-child(1){background:linear-gradient(130deg,#677f56,#263d33 46%,#967cf1)}.play-card:nth-child(2){background:linear-gradient(140deg,#7f63f4,#303150)}.play-card:nth-child(3){background:linear-gradient(140deg,#b4d653,#476b59)}
.play-card:first-child{min-height:352px}.play-card h3{font-size:25px;margin:12px 0 7px}.play-card p{font-size:14px;max-width:290px;margin-bottom:17px;color:#e2e9e1}
.topic-wall{display:grid;grid-template-columns:1.15fr .85fr 1fr .95fr;gap:14px}
.topic{min-height:133px;border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;justify-content:space-between;transition:border-color .2s,transform .2s,box-shadow .2s}
.topic:hover{border-color:var(--purple);transform:translateY(-3px);box-shadow:var(--shadow)}.topic:nth-child(2),.topic:nth-child(5){background:var(--lime-soft)}.topic:nth-child(3),.topic:nth-child(7){background:var(--purple-soft)}.topic b{font-size:18px}.topic span{font-size:13px;color:var(--muted)}.topic em{align-self:flex-end;font-style:normal;font-size:21px;color:var(--purple)}
.guide-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:42px;align-items:center}
.guide-list{border-left:1px solid var(--line);padding-left:21px}.guide-item{position:relative;padding:0 0 25px 7px;cursor:pointer}.guide-item:last-child{padding-bottom:0}.guide-item:before{content:"";position:absolute;left:-27px;top:7px;width:11px;height:11px;border-radius:50%;background:#cdd7ce}.guide-item.active:before{background:var(--lime);box-shadow:0 0 0 6px rgba(185,243,64,.2)}.guide-item b{font-size:17px}.guide-item p{color:var(--muted);font-size:14px;margin:4px 0 0}.guide-art{min-height:395px;background:var(--ink);padding:28px;border-radius:var(--radius-lg);position:relative;overflow:hidden}.guide-art:before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:var(--purple);filter:blur(1px);right:-100px;top:-75px}.guide-panel{position:absolute;left:28px;right:28px;bottom:28px;border-radius:15px;background:#f8fbf3;padding:19px;z-index:1}.guide-panel h3{font-size:21px}.guide-panel p{margin:0;color:var(--muted);font-size:14px}.guide-bars{position:absolute;left:28px;top:34px;right:88px;display:grid;gap:12px}.guide-bars i{display:block;height:43px;border-radius:9px;background:#2f4439}.guide-bars i:nth-child(2){width:72%;background:#6c5ce9}.guide-bars i:nth-child(3){width:50%;background:#b9f340}
.download-section{background:#edf2e8}
.download-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:48px;align-items:center}
.device-wrap{min-height:410px;position:relative;display:flex;justify-content:center;align-items:center}.device{width:208px;height:386px;border:9px solid var(--ink);border-radius:31px;background:#e7efd9;box-shadow:var(--shadow);padding:19px 12px}.device-notch{width:77px;height:16px;border-radius:0 0 11px 11px;background:var(--ink);margin:-19px auto 19px}.device-screen-title{font-size:11px;font-weight:900;color:#536159}.device-screen-card{height:110px;border-radius:14px;background:var(--purple);margin-top:12px;padding:14px;color:#fff;font-size:13px;font-weight:800}.device-lines{margin-top:14px;display:grid;gap:8px}.device-lines i{height:9px;border-radius:9px;background:#c5d0c4}.device-lines i:nth-child(2){width:68%}.download-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);padding:29px;box-shadow:var(--shadow)}.download-top{display:flex;align-items:center;gap:15px;padding-bottom:20px;border-bottom:1px solid var(--line)}.app-icon.big{width:58px;height:58px;border-radius:16px}.app-icon.big:after{left:21px;top:14px;font-size:22px}.download-top h3{margin:0;font-size:23px}.download-top p{margin:2px 0 0;color:var(--muted);font-size:14px}.download-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:20px 0}.download-meta small{display:block;color:var(--muted);font-size:12px}.download-meta b{font-size:14px}.download-actions{display:flex;gap:13px;align-items:center}.qr{width:74px;height:74px;border:6px solid #fff;background:repeating-linear-gradient(45deg,var(--ink) 0 4px,#fff 4px 8px);border-radius:7px;flex:0 0 auto}.download-note{margin:18px 0 0;padding:13px 15px;border-radius:10px;background:#fff2e6;color:#88521d;font-size:13px}.tips{margin-top:14px;border:1px solid var(--line);border-radius:12px;overflow:hidden}.tips summary{cursor:pointer;padding:14px 16px;font-size:14px;font-weight:800}.tips p{padding:0 16px 14px;margin:0;color:var(--muted);font-size:13px}
.steps-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}.step{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:23px;position:relative}.step-no{display:flex;align-items:center;justify-content:center;width:35px;height:35px;border-radius:50%;background:var(--ink);color:var(--lime);font-weight:900;font-size:14px;margin-bottom:19px}.step p{color:var(--muted);font-size:14px;margin:0}
.dark-knowledge{background:var(--ink);color:#fff;overflow:hidden}.knowledge-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.knowledge-card{border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:29px;background:rgba(255,255,255,.035)}.knowledge-card h2{font-size:30px}.knowledge-card .section-lead{color:#c4d0c8}.install-list{margin:24px 0 0;padding:0;list-style:none;counter-reset:install}.install-list li{counter-increment:install;display:flex;gap:13px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14px}.install-list li:before{content:"0" counter(install);color:var(--lime);font-weight:900}.quick-issues{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.issue{border-radius:12px;background:#2b3932;padding:16px;font-size:14px;font-weight:750}.issue span{display:block;color:#aebbb3;font-size:12px;font-weight:500;margin-top:4px}
.news-area{background:var(--paper)}.news-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:20px}.news-main,.news-small{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}.news-main{display:grid;grid-template-columns:38% 62%}.news-cover{min-height:250px;background:linear-gradient(145deg,#7861ed,#253e34);position:relative}.news-cover:after{content:"PG";position:absolute;right:20px;bottom:11px;color:rgba(255,255,255,.26);font-size:72px;font-weight:900}.news-content{padding:25px}.news-content time,.news-small time{font-size:12px;color:var(--muted)}.news-content h3{font-size:23px;margin:13px 0 9px}.news-content p{font-size:14px;color:var(--muted);margin-bottom:15px}.news-side{display:grid;gap:12px}.news-small{padding:18px;display:grid;grid-template-columns:auto 1fr;column-gap:12px}.news-small .tag{grid-row:span 2;height:max-content}.news-small h3{font-size:16px;margin:0 0 4px}.empty-state{grid-column:1/-1;border:1px dashed #b9c5ba;border-radius:var(--radius-lg);padding:48px 24px;text-align:center;color:var(--muted)}.empty-icon{font-size:35px;margin-bottom:8px}
.timeline{max-width:900px;margin:0 auto;position:relative}.timeline:before{content:"";position:absolute;left:104px;top:10px;bottom:10px;width:1px;background:var(--line)}.timeline-item{display:grid;grid-template-columns:85px 1fr;gap:39px;padding-bottom:28px}.timeline-item:last-child{padding-bottom:0}.timeline-date{color:var(--muted);font-size:13px;padding-top:3px}.timeline-content{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 20px}.timeline-content:before{content:"";position:absolute;left:-45px;top:22px;width:12px;height:12px;border:3px solid var(--mist);border-radius:50%;background:var(--purple)}.timeline-content b{font-size:17px;margin-right:10px}.timeline-content p{color:var(--muted);font-size:14px;margin:8px 0 0}
.skill-stack{display:grid;gap:34px}.skill-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.skill-row.reverse .skill-visual{order:2}.skill-visual{min-height:230px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#30483c,#8a72f2);padding:25px;overflow:hidden;position:relative}.skill-row:nth-child(2) .skill-visual{background:linear-gradient(135deg,#a0c45a,#334f42)}.skill-visual:after{content:"";width:170px;height:170px;border:16px solid rgba(255,255,255,.18);border-radius:32px;position:absolute;right:22px;bottom:-52px}.skill-visual i{display:block;width:58%;height:15px;background:rgba(255,255,255,.7);border-radius:9px;margin-bottom:12px}.skill-visual i:nth-child(2){width:76%}.skill-copy p{color:var(--muted);max-width:470px}
.experience-wrap{overflow:hidden}.experience-track{display:flex;gap:17px;overflow-x:auto;padding:4px 2px 13px;scroll-snap-type:x proximity}.quote{min-width:285px;max-width:330px;background:#fffef5;border:1px solid #e4e5d5;border-radius:14px;padding:20px;box-shadow:0 6px 13px rgba(23,33,29,.05);scroll-snap-align:start}.quote:nth-child(2){background:#f4f0ff}.quote:nth-child(3){background:#eff8dd}.quote p{font-size:15px;margin-bottom:16px}.quote footer{color:var(--muted);font-size:12px}.quote footer b{color:var(--ink);margin-right:8px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px 18px}.faq{border-bottom:1px solid var(--line);background:var(--paper);border-radius:12px;padding:0 18px}.faq summary{list-style:none;cursor:pointer;padding:18px 25px 18px 0;font-weight:800;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";position:absolute;right:0;top:14px;font-size:24px;font-weight:400;color:var(--purple)}.faq[open] summary:after{content:"−"}.faq p{margin:0;padding:0 0 18px;color:var(--muted);font-size:14px}
.final-cta{padding:75px 0;background:var(--ink);color:#fff;position:relative;overflow:hidden}.final-cta:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(185,243,64,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(185,243,64,.09) 1px,transparent 1px);background-size:24px 24px;mask-image:linear-gradient(90deg,#000,transparent)}.final-grid{position:relative;display:grid;grid-template-columns:1fr auto;gap:34px;align-items:center}.final-grid h2{max-width:650px;margin:0 0 13px}.final-grid p{margin:0;color:#c3cec7}.platform-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}.platform-tags span{border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:5px 10px;font-size:12px}.final-right{display:flex;align-items:center;gap:17px}.final-right .qr{width:92px;height:92px}.final-right .btn{white-space:nowrap}
.site-footer{background:#111914;color:#d0dbd3;padding:56px 0 20px}.footer-top{display:flex;justify-content:space-between;gap:35px;padding-bottom:35px;border-bottom:1px solid rgba(185,243,64,.37)}.footer-brand{max-width:390px}.footer-brand .brand{color:#fff;margin-bottom:14px}.footer-brand p{font-size:14px;margin:0;color:#aebbb3}.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;min-width:500px}.footer-col h3{color:var(--lime);font-size:13px;margin-bottom:12px}.footer-col a,.footer-col span{display:block;color:#c1cdc5;font-size:13px;margin:8px 0}.footer-col a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding-top:20px;color:#849188;font-size:12px}.footer-bottom a{margin-left:15px}.footer-bottom a:hover{color:var(--lime)}
@media(max-width:960px){.main-nav{display:none}.menu-toggle{display:block;margin-left:auto}.nav-cta{display:none}.hero-grid,.download-grid{grid-template-columns:1fr;gap:30px}.hero-stage{max-width:620px;width:100%;margin:auto}.featured-grid{grid-template-columns:1.2fr 1fr}.play-card:first-child{grid-column:span 2}.topic-wall{grid-template-columns:repeat(3,1fr)}.guide-layout{grid-template-columns:1fr;gap:25px}.guide-art{min-height:335px}.status-item{padding:20px 14px}.news-grid{grid-template-columns:1fr}.footer-top{display:block}.footer-cols{margin-top:32px;min-width:0}.skill-row{gap:25px}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.section{padding:62px 0}.section-head{display:block;margin-bottom:25px}.section-head .text-link{margin-top:15px}.hero{padding:52px 0 46px}.hero h1{font-size:42px}.hero-stage{min-height:335px}.screen-main{width:82%;top:20px}.screen-side{width:47%}.status-grid{grid-template-columns:1fr 1fr}.status-item:nth-child(2){border-right:0}.status-item:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.16)}.featured-grid{grid-template-columns:1fr}.play-card:first-child{grid-column:auto;min-height:310px}.play-card{min-height:265px}.topic-wall{grid-template-columns:1fr 1fr}.download-meta{grid-template-columns:1fr 1fr}.steps-row{grid-template-columns:1fr 1fr}.knowledge-grid,.skill-row,.skill-row.reverse{grid-template-columns:1fr}.skill-row.reverse .skill-visual{order:0}.news-main{grid-template-columns:1fr}.news-cover{min-height:175px}.faq-grid{grid-template-columns:1fr}.final-grid{grid-template-columns:1fr}.final-right{justify-content:flex-start}.footer-cols{grid-template-columns:repeat(3,1fr);gap:18px}}
@media(max-width:520px){.nav-wrap{height:67px}.brand{font-size:15px;max-width:245px}.brand-mark{width:29px;height:29px}.hero h1{font-size:36px}.hero-sub{font-size:16px}.hero-actions,.download-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.hero-stage{min-height:284px}.screen-main{padding:11px}.game-banner{height:93px}.game-banner b{font-size:19px}.screen-side{padding:11px;width:50%}.screen-chip{left:38%;font-size:11px}.status-item{min-height:89px;padding:17px 12px}.status-item b{font-size:13px}.topic-wall,.steps-row{grid-template-columns:1fr}.topic{min-height:112px}.guide-art{min-height:280px;padding:17px}.guide-bars{left:17px;top:23px;right:44px}.guide-panel{left:17px;right:17px;bottom:17px}.download-card{padding:20px}.download-meta{gap:14px}.download-top h3{font-size:20px}.qr{display:none}.quick-issues{grid-template-columns:1fr}.timeline:before{left:18px}.timeline-item{grid-template-columns:1fr;gap:7px;padding-left:40px}.timeline-content:before{left:-28px}.timeline-date{font-size:12px}.final-right{display:block}.final-right .qr{display:block;margin:0 0 14px}.footer-cols{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom p{margin-bottom:9px}.footer-bottom a{margin:0 13px 0 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* roulang page: article */
:root{
  --ink:#17211d;
  --ink-2:#26332d;
  --lime:#b9f340;
  --lime-soft:#e9ffc0;
  --purple:#7f63f4;
  --purple-soft:#eeeaff;
  --mist:#f5f7f1;
  --paper:#fcfdf9;
  --line:#dce3d8;
  --muted:#64716b;
  --orange:#e68432;
  --shadow:0 12px 28px rgba(23,33,29,.09);
  --shadow-hover:0 18px 34px rgba(23,33,29,.14);
  --radius:16px;
  --radius-lg:22px;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.72}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{border:0}
.container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
.section{padding:76px 0;position:relative}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:800;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,33,29,.18)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(127,99,244,.42);outline-offset:3px}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#2a3932}
.btn-outline{border-color:#a9b5ad;background:transparent;color:var(--ink)}
.btn-outline:hover{background:#e9f3df}
.tag{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-size:12px;line-height:1.2;font-weight:800;background:var(--purple-soft);color:#5741bd}
.tag.lime{background:var(--lime-soft);color:#405d0b}
.tag.orange{background:#fff0df;color:#a95b1d}
.text-link{display:inline-flex;align-items:center;gap:7px;padding-bottom:2px;border-bottom:1px solid var(--lime);font-size:14px;font-weight:800;transition:color .2s}
.text-link:hover{color:var(--purple)}
.site-header{position:sticky;top:0;z-index:30;background:rgba(252,253,249,.96);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:17px;line-height:1.2;letter-spacing:-.03em;max-width:310px}
.brand-mark{position:relative;width:32px;height:32px;border-radius:9px;background:var(--ink);flex:0 0 auto;overflow:hidden}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
.brand-mark:before{width:16px;height:6px;left:8px;top:13px}
.brand-mark:after{width:6px;height:16px;left:13px;top:8px}
.main-nav{display:flex;align-items:stretch;gap:21px;margin-left:auto;height:100%}
.main-nav a{position:relative;display:flex;align-items:center;font-size:14px;font-weight:750;color:#425149;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a.active:after{content:"";position:absolute;bottom:0;left:4px;right:4px;height:3px;border-radius:4px 4px 0 0;background:var(--lime)}
.nav-cta{margin-left:2px;min-height:42px;padding:0 15px}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);font-size:20px;cursor:pointer}
.article-hero{padding:62px 0 54px;overflow:hidden;background:var(--paper);border-bottom:1px solid var(--line)}
.article-head{max-width:920px;position:relative}
.article-head:after{content:"";position:absolute;right:-100px;top:-80px;width:285px;height:285px;border:1px solid rgba(127,99,244,.2);border-radius:36px;background-image:linear-gradient(rgba(23,33,29,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(23,33,29,.06) 1px,transparent 1px);background-size:21px 21px;transform:rotate(13deg);pointer-events:none}
.article-kicker{position:relative;z-index:1;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.article-kicker span:last-child{font-size:13px;color:var(--muted);font-weight:700}
.article-head h1{position:relative;z-index:1;max-width:840px;margin:0;font-size:clamp(30px,4vw,52px);line-height:1.18;letter-spacing:-.045em;font-weight:850}
.article-summary{position:relative;z-index:1;max-width:760px;margin:22px 0 0;color:#536159;font-size:17px}
.article-meta{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;color:var(--muted);font-size:13px;font-weight:700}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--lime)}
.breadcrumb-wrap{padding:20px 0;border-bottom:1px solid var(--line);background:#f9faf6}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin:0;color:var(--muted);font-size:13px;font-weight:700}
.breadcrumb b{font-weight:700;color:#87928c}
.breadcrumb .current{color:var(--ink);max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-layout{max-width:820px;margin:0 auto}
.article-content{font-size:17px;color:#334139}
.article-content>*:first-child{margin-top:0}
.article-content>p:first-child{font-size:19px;line-height:1.82;color:#36453d}
.article-content h2{margin:54px 0 18px;font-size:28px;line-height:1.3;letter-spacing:-.025em;font-weight:850;color:var(--ink)}
.article-content h3{margin:34px 0 14px;font-size:21px;line-height:1.4;font-weight:850}
.article-content p{margin:0 0 20px}
.article-content ul,.article-content ol{margin:0 0 24px;padding-left:1.45em}
.article-content li{padding-left:5px;margin:9px 0}
.article-content blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--lime);border-radius:0 var(--radius) var(--radius) 0;background:#f0f5e9;color:#45544c}
.article-content table{width:100%;margin:28px 0;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--line);border-radius:14px;font-size:15px}
.article-content th,.article-content td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:left}
.article-content th{background:#edf3e7;font-weight:850}
.article-content tr:last-child td{border-bottom:0}
.article-content img{margin:28px auto;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.article-content pre,.article-content code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.article-content pre{padding:18px;overflow:auto;border-radius:14px;background:var(--ink);color:#e8f0e6;font-size:13px}
.download-card{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;padding:22px;border:1px solid #cddbbd;border-radius:var(--radius-lg);background:#f2f9e8;box-shadow:var(--shadow)}
.app-icon{position:relative;width:58px;height:58px;border-radius:17px;background:var(--ink);overflow:hidden}
.app-icon:before,.app-icon:after{content:"";position:absolute;background:var(--lime);border-radius:3px}
.app-icon:before{width:30px;height:9px;left:14px;top:25px}
.app-icon:after{width:9px;height:30px;left:25px;top:14px}
.download-card h2{margin:0 0 4px;font-size:19px;font-weight:850}
.download-card p{margin:0;color:var(--muted);font-size:14px}
.download-specs{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.spec{padding:3px 8px;border-radius:999px;background:#fff;font-size:11px;font-weight:800;color:#516158}
.key-points{padding:30px;border-radius:var(--radius-lg);background:var(--ink);color:#fff;overflow:hidden}
.key-points-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
.key-points h2{margin:0;font-size:27px;font-weight:850}
.key-points p{margin:0;color:#b6c2b9;font-size:14px}
.point-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.point{min-height:152px;padding:18px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.045)}
.point-no{display:flex;align-items:center;justify-content:center;width:29px;height:29px;margin-bottom:17px;border-radius:50%;background:var(--lime);color:var(--ink);font-size:12px;font-weight:900}
.point h3{margin:0 0 6px;font-size:15px;font-weight:850}
.point p{margin:0;color:#b8c4bc;font-size:13px;line-height:1.62}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{display:flex;flex-direction:column;min-height:260px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);box-shadow:0 6px 17px rgba(23,33,29,.05);transition:transform .22s,box-shadow .22s}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.related-cover{height:116px;position:relative;background:linear-gradient(135deg,#263c32,#7f63f4)}
.related-card:nth-child(2) .related-cover{background:linear-gradient(135deg,#577463,#b9f340)}
.related-card:nth-child(3) .related-cover{background:linear-gradient(135deg,#7f63f4,#28342e)}
.related-cover:before{content:"";position:absolute;inset:17px 26px;border:1px solid rgba(255,255,255,.35);border-radius:12px;background-image:linear-gradient(90deg,transparent 48%,rgba(185,243,64,.8) 49%,rgba(185,243,64,.8) 58%,transparent 59%)}
.related-body{display:flex;flex:1;flex-direction:column;padding:18px}
.related-body small{margin-top:9px;color:var(--muted);font-weight:700}
.related-body h3{margin:10px 0 15px;font-size:17px;line-height:1.48;font-weight:850}
.related-body .text-link{margin-top:auto;width:max-content}
.continue-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:27px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.continue-row p{margin:0;color:var(--muted);font-size:14px}
.feedback-box{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:25px 28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper)}
.feedback-box h2{margin:0 0 4px;font-size:18px;font-weight:850}
.feedback-box p{margin:0;color:var(--muted);font-size:13px}
.feedback-actions{display:flex;gap:10px;flex-shrink:0}
.feedback-btn{min-width:74px;min-height:40px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-size:13px;font-weight:800;cursor:pointer;transition:transform .2s,background .2s,border .2s}
.feedback-btn:hover,.feedback-btn.active{border-color:#b5da6a;background:var(--lime-soft);transform:translateY(-1px)}
.not-found{padding:48px 28px;border:1px dashed #b7c3ba;border-radius:var(--radius-lg);background:var(--paper);text-align:center}
.not-found h2{margin:0 0 10px;font-size:26px;font-weight:850}
.not-found p{margin:0 0 21px;color:var(--muted)}
.site-footer{padding:58px 0 24px;background:var(--ink);color:#fff}
.footer-top{display:flex;justify-content:space-between;gap:60px;padding-bottom:42px;border-bottom:1px solid rgba(185,243,64,.34)}
.footer-brand{max-width:350px}
.footer-brand .brand{color:#fff}
.footer-brand p{margin:16px 0 0;color:#b6c2b9;font-size:14px}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(120px,1fr));gap:44px}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h3{margin:0 0 7px;color:var(--lime);font-size:14px;font-weight:850}
.footer-col a,.footer-col span{color:#c7d0ca;font-size:13px}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:22px;color:#98a79e;font-size:12px}
.footer-bottom p{margin:0}
.footer-bottom div{display:flex;flex-wrap:wrap;gap:17px}
.footer-bottom a:hover{color:var(--lime)}
@media (max-width:960px){
  .main-nav{gap:14px}
  .main-nav a{font-size:13px}
  .point-grid{grid-template-columns:repeat(2,1fr)}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{gap:35px}
  .footer-cols{gap:24px}
}
@media (max-width:768px){
  .container{width:min(calc(100% - 32px),var(--max))}
  .section{padding:56px 0}
  .nav-wrap{height:68px;gap:14px}
  .brand{font-size:15px;max-width:225px}
  .main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;height:auto;padding:12px 17px 17px;border:1px solid var(--line);border-radius:0 0 16px 16px;background:var(--paper);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
  .main-nav.open{display:flex}
  .main-nav a{min-height:42px;border-bottom:1px solid #edf0ea}
  .main-nav a:last-child{border-bottom:0}
  .main-nav a.active:after{left:0;right:auto;top:18px;bottom:auto;width:4px;height:8px;border-radius:0 4px 4px 0}
  .nav-cta{display:none}
  .menu-toggle{display:block;margin-left:auto}
  .article-hero{padding:45px 0 42px}
  .article-head:after{opacity:.55;right:-148px}
  .article-summary{font-size:16px}
  .article-content{font-size:16px}
  .article-content>p:first-child{font-size:17px}
  .article-content h2{font-size:25px;margin-top:43px}
  .download-card{grid-template-columns:auto 1fr}
  .download-card .btn{grid-column:1/-1;width:100%}
  .related-grid{grid-template-columns:1fr}
  .related-card{min-height:225px}
  .footer-top{flex-direction:column}
  .footer-cols{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:520px){
  .article-head h1{font-size:31px}
  .article-meta{gap:7px 15px}
  .breadcrumb .current{max-width:210px}
  .download-card{padding:18px;gap:14px}
  .key-points{padding:22px 18px}
  .key-points-head{display:block}
  .key-points-head p{margin-top:6px}
  .point-grid{grid-template-columns:1fr}
  .point{min-height:auto}
  .continue-row,.feedback-box{align-items:flex-start;flex-direction:column}
  .continue-row .btn{width:100%}
  .feedback-actions{width:100%}
  .feedback-btn{flex:1}
  .footer-cols{grid-template-columns:1fr 1fr;gap:27px 20px}
  .footer-bottom{align-items:flex-start;flex-direction:column}
  .article-content table{display:block;overflow-x:auto;white-space:nowrap}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}

/* roulang page: category1 */
:root{
      --ink:#17211d;
      --ink-2:#26332d;
      --lime:#b9f340;
      --lime-soft:#e9ffc0;
      --purple:#7f63f4;
      --purple-soft:#eeeaff;
      --mist:#f5f7f1;
      --paper:#fcfdf9;
      --line:#dce3d8;
      --muted:#64716b;
      --orange:#e68432;
      --orange-soft:#fff0df;
      --shadow:0 12px 28px rgba(23,33,29,.09);
      --shadow-hover:0 18px 34px rgba(23,33,29,.14);
      --radius:16px;
      --radius-lg:22px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--mist);
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.68;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{border:0}
    img{display:block;max-width:100%}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.22;letter-spacing:-.035em}
    h1{font-size:clamp(35px,4.5vw,60px);font-weight:850}
    h2{font-size:clamp(27px,3vw,39px);font-weight:850}
    h3{font-size:20px;font-weight:800}
    .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
    .section{padding:94px 0;position:relative}
    .section-soft{background:var(--paper)}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
    .section-head h2{margin-bottom:10px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;
      color:var(--purple);font-size:13px;font-weight:850;letter-spacing:.08em
    }
    .eyebrow:before{
      content:"";width:9px;height:9px;border-radius:50%;background:var(--lime);
      box-shadow:0 0 0 5px rgba(185,243,64,.18)
    }
    .section-lead{max-width:680px;margin:0;color:var(--muted);font-size:17px}
    .btn{
      min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      font-size:15px;font-weight:800;cursor:pointer;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
    }
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,33,29,.18)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(127,99,244,.42);outline-offset:3px}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-outline{background:transparent;border-color:#a9b5ad;color:var(--ink)}
    .btn-outline:hover{background:#e9f3df}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#293931}
    .text-link{
      display:inline-flex;align-items:center;gap:7px;color:var(--ink);font-size:14px;font-weight:850;
      border-bottom:1px solid var(--lime);padding-bottom:2px;transition:color .2s ease
    }
    .text-link:hover{color:var(--purple)}
    .tag{
      display:inline-flex;align-items:center;min-height:26px;padding:5px 10px;border-radius:999px;
      background:var(--purple-soft);color:#5741bd;font-size:12px;font-weight:850;line-height:1.15
    }
    .tag.lime{background:var(--lime-soft);color:#385209}
    .tag.orange{background:var(--orange-soft);color:#a45212}
    .tag.ink{background:#e5ebe6;color:#334138}
    .site-header{
      position:sticky;top:0;z-index:50;background:rgba(252,253,249,.97);
      border-bottom:1px solid var(--line)
    }
    .nav-wrap{height:76px;display:flex;align-items:center;gap:26px}
    .brand{
      display:flex;align-items:center;gap:10px;max-width:290px;
      font-size:17px;font-weight:900;line-height:1.2;letter-spacing:-.04em
    }
    .brand-mark{
      position:relative;width:32px;height:32px;flex:0 0 auto;overflow:hidden;
      border-radius:9px;background:var(--ink)
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;border-radius:2px;background:var(--lime)
    }
    .brand-mark:before{left:8px;top:13px;width:16px;height:6px}
    .brand-mark:after{left:13px;top:8px;width:6px;height:16px}
    .main-nav{display:flex;align-items:stretch;gap:21px;height:100%;margin-left:auto}
    .main-nav a{
      position:relative;display:flex;align-items:center;white-space:nowrap;
      color:#425149;font-size:14px;font-weight:750;transition:color .2s ease
    }
    .main-nav a:hover,.main-nav a.active{color:var(--ink)}
    .main-nav a.active:after{
      content:"";position:absolute;left:4px;right:4px;bottom:0;height:3px;
      border-radius:4px 4px 0 0;background:var(--lime)
    }
    .nav-cta{min-height:42px;margin-left:2px;padding:0 15px}
    .menu-toggle{
      display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
      background:var(--paper);color:var(--ink);font-size:20px;cursor:pointer
    }
    .editorial-hero{
      padding:58px 0 48px;background:var(--paper);border-bottom:1px solid var(--line);
      position:relative;overflow:hidden
    }
    .editorial-hero:before{
      content:"";position:absolute;width:420px;height:420px;right:-130px;top:-210px;border-radius:50%;
      border:48px solid var(--lime-soft);opacity:.72
    }
    .editorial-hero:after{
      content:"";position:absolute;right:7%;bottom:-44px;width:215px;height:125px;
      background-image:linear-gradient(rgba(23,33,29,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(23,33,29,.09) 1px,transparent 1px);
      background-size:18px 18px;transform:rotate(-8deg)
    }
    .breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin:0 0 31px;color:var(--muted);font-size:13px}
    .breadcrumb i{font-style:normal;color:#9eaaa3}
    .editorial-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 315px;gap:58px;align-items:end}
    .editorial-copy h1{max-width:760px;margin:0 0 20px}
    .editorial-copy h1 em{font-style:normal;color:var(--purple)}
    .editorial-copy p{max-width:745px;margin:0;color:#526058;font-size:18px}
    .quick-index{
      padding:22px;background:var(--ink);color:#fff;border-radius:var(--radius-lg);
      box-shadow:var(--shadow);position:relative;overflow:hidden
    }
    .quick-index:after{
      content:"";position:absolute;width:85px;height:85px;right:-25px;bottom:-28px;border:14px solid var(--lime);
      border-radius:50%;opacity:.75
    }
    .quick-index small{display:block;margin-bottom:10px;color:#b9c5be;font-size:12px;font-weight:800;letter-spacing:.08em}
    .quick-index a{
      position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;
      padding:8px 0;border-top:1px solid rgba(255,255,255,.14);font-size:14px;font-weight:700;
      transition:color .2s ease
    }
    .quick-index a:hover{color:var(--lime)}
    .quick-index a span{color:var(--lime)}
    .feature-games{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .game-row{
      display:grid;grid-template-columns:154px minmax(0,1fr);gap:20px;min-height:195px;padding:16px;
      background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
      box-shadow:0 7px 16px rgba(23,33,29,.04);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease
    }
    .game-row:hover{transform:translateY(-4px);border-color:#c7d9a5;box-shadow:var(--shadow)}
    .game-cover{position:relative;overflow:hidden;border-radius:14px;min-height:162px;background:#365144}
    .game-cover:before,.game-cover:after{content:"";position:absolute;border-radius:50%}
    .game-cover:before{width:116px;height:116px;right:-35px;top:-28px;background:rgba(185,243,64,.7)}
    .game-cover:after{width:90px;height:90px;left:-21px;bottom:-26px;border:17px solid rgba(255,255,255,.22)}
    .cover-one{background:linear-gradient(138deg,#7e67f2,#263c4c)}
    .cover-two{background:linear-gradient(138deg,#6b9847,#294139)}
    .cover-three{background:linear-gradient(138deg,#e68432,#70513e)}
    .cover-four{background:linear-gradient(138deg,#586f73,#252e35)}
    .game-cover b{position:absolute;left:15px;bottom:15px;z-index:1;color:#fff;font-size:22px;letter-spacing:-.08em}
    .game-content{display:flex;flex-direction:column;align-items:flex-start}
    .game-content .tag{margin-bottom:10px}
    .game-content h3{margin:0 0 8px;font-size:19px}
    .game-content p{margin:0 0 13px;color:var(--muted);font-size:14px;line-height:1.62}
    .game-content .text-link{margin-top:auto}
    .recommend-layout{display:grid;grid-template-columns:1.35fr .83fr;gap:20px}
    .recommend-main{
      position:relative;min-height:420px;padding:34px;overflow:hidden;border-radius:var(--radius-lg);
      background:linear-gradient(130deg,#253b31 0%,#4d5a41 50%,#826ee8 100%);color:#fff;
      display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;box-shadow:var(--shadow)
    }
    .recommend-main:before{
      content:"";position:absolute;top:35px;right:42px;width:180px;height:180px;border:18px solid rgba(185,243,64,.9);
      border-radius:32px;transform:rotate(13deg)
    }
    .recommend-main:after{
      content:"";position:absolute;top:70px;right:75px;width:112px;height:112px;border:2px solid rgba(255,255,255,.45);
      border-radius:50%
    }
    .recommend-main>*{position:relative;z-index:1}
    .recommend-main h3{max-width:430px;margin:14px 0 10px;font-size:32px}
    .recommend-main p{max-width:490px;margin:0 0 18px;color:#e4eadd}
    .recommend-main .btn{background:var(--lime);color:var(--ink)}
    .recommend-side{display:grid;grid-template-rows:1fr 1fr;gap:20px}
    .mini-recommend{
      min-height:200px;padding:24px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);
      background:var(--paper);position:relative;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;
      transition:transform .25s ease,box-shadow .25s ease
    }
    .mini-recommend:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .mini-recommend:before{
      content:"";position:absolute;right:-20px;top:-35px;width:126px;height:126px;border-radius:50%;
      background:var(--purple-soft)
    }
    .mini-recommend:nth-child(2):before{background:var(--lime-soft);border-radius:28px;transform:rotate(22deg)}
    .mini-recommend h3,.mini-recommend p,.mini-recommend .tag{position:relative;z-index:1}
    .mini-recommend h3{margin:11px 0 6px;font-size:20px}
    .mini-recommend p{margin:0;color:var(--muted);font-size:14px}
    .ui-showcase{display:grid;grid-template-columns:.95fr 1.05fr;gap:55px;align-items:center}
    .ui-window{
      padding:15px;background:var(--ink);border-radius:24px;box-shadow:var(--shadow-hover);
      transform:rotate(-2deg)
    }
    .ui-bar{display:flex;gap:6px;margin-bottom:13px}
    .ui-bar span{width:8px;height:8px;border-radius:50%;background:#63736a}
    .ui-bar span:first-child{background:var(--lime)}
    .ui-dashboard{display:grid;grid-template-columns:78px 1fr;gap:10px;height:335px}
    .ui-menu{padding:12px 9px;border-radius:12px;background:#2d3a34}
    .ui-menu i{display:block;height:8px;margin:12px 0;border-radius:5px;background:#56655d}
    .ui-menu i:first-child{background:var(--lime)}
    .ui-main{padding:16px;border-radius:12px;background:#eff5e9}
    .ui-main-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}
    .ui-main-top b{font-size:15px}
    .ui-main-top span{width:48px;height:12px;border-radius:999px;background:#d8e2d2}
    .ui-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
    .ui-card{height:112px;border-radius:10px;background:linear-gradient(140deg,#7f63f4,#bcaefd);position:relative;overflow:hidden}
    .ui-card:nth-child(2){background:linear-gradient(140deg,#799e4c,#c3ec6c)}
    .ui-card:nth-child(3){background:linear-gradient(140deg,#dd9258,#f2c17b)}
    .ui-card:after{content:"";position:absolute;right:-13px;bottom:-19px;width:60px;height:60px;border:10px solid rgba(255,255,255,.35);border-radius:50%}
    .ui-list{display:grid;gap:8px;margin-top:13px}
    .ui-list span{display:block;height:14px;border-radius:6px;background:#d9e2d5}
    .ui-list span:nth-child(2){width:86%}
    .ui-list span:nth-child(3){width:64%}
    .ui-copy h2{margin-bottom:18px}
    .ui-points{display:grid;gap:13px;margin:26px 0 0;padding:0;list-style:none}
    .ui-points li{
      display:grid;grid-template-columns:38px 1fr;gap:13px;align-items:start;padding:14px 0;
      border-bottom:1px solid var(--line)
    }
    .ui-points li:last-child{border-bottom:0}
    .point-num{
      width:32px;height:32px;display:grid;place-items:center;border-radius:9px;
      background:var(--purple-soft);color:var(--purple);font-size:13px;font-weight:900
    }
    .ui-points b{display:block;margin-bottom:2px}
    .ui-points p{margin:0;color:var(--muted);font-size:14px}
    .steps-wrap{background:var(--ink);color:#fff;overflow:hidden}
    .steps-head .eyebrow{color:var(--lime)}
    .steps-head .section-lead{color:#bfcbc4}
    .trial-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:38px}
    .trial-step{position:relative;padding:0 26px 10px;border-left:1px solid rgba(255,255,255,.17)}
    .trial-step:first-child{border-left:0;padding-left:0}
    .trial-step:last-child{padding-right:0}
    .step-no{display:block;margin-bottom:22px;color:var(--lime);font-size:13px;font-weight:900;letter-spacing:.1em}
    .step-icon{
      display:grid;place-items:center;width:54px;height:54px;margin-bottom:18px;border-radius:15px;
      background:#314039;color:var(--lime);font-size:24px;font-weight:900
    }
    .trial-step h3{margin-bottom:9px;font-size:20px}
    .trial-step p{margin:0;color:#c3cec7;font-size:14px}
    .device-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:20px}
    .device-panel{
      padding:30px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);
      box-shadow:0 8px 20px rgba(23,33,29,.04)
    }
    .device-panel h3{margin-bottom:21px;font-size:24px}
    .device-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px}
    .device-tag{
      padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#f5f8f1;
      color:#405047;font-size:13px;font-weight:800
    }
    .tip-list{display:grid;gap:11px;padding:0;margin:0;list-style:none}
    .tip-list li{display:flex;gap:12px;align-items:flex-start;color:#4c5a52;font-size:14px}
    .tip-list li:before{
      content:"✓";display:grid;place-items:center;flex:0 0 auto;width:21px;height:21px;margin-top:2px;
      border-radius:50%;background:var(--lime-soft);color:#49690a;font-size:12px;font-weight:900
    }
    .signal-board{
      min-height:265px;padding:28px;overflow:hidden;position:relative;border-radius:var(--radius-lg);
      background:linear-gradient(140deg,#7f63f4,#454b7b);color:#fff
    }
    .signal-board:after{
      content:"";position:absolute;width:290px;height:290px;right:-114px;bottom:-155px;
      border:34px solid rgba(185,243,64,.55);border-radius:50%
    }
    .signal-board h3{position:relative;z-index:1;margin-bottom:17px;font-size:25px}
    .signal-board p{position:relative;z-index:1;max-width:365px;margin-bottom:20px;color:#eeecff}
    .signal-meter{position:relative;z-index:1;display:flex;align-items:flex-end;gap:6px;height:55px}
    .signal-meter i{display:block;width:17px;border-radius:5px 5px 0 0;background:var(--lime)}
    .signal-meter i:nth-child(1){height:18px}.signal-meter i:nth-child(2){height:28px}.signal-meter i:nth-child(3){height:40px}.signal-meter i:nth-child(4){height:52px}
    .article-list{display:grid;gap:0;border-top:1px solid var(--line);background:var(--paper);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 8px 18px rgba(23,33,29,.04)}
    .article-row{
      display:grid;grid-template-columns:126px minmax(0,1fr) auto;gap:24px;align-items:center;padding:22px 26px;
      border-bottom:1px solid var(--line);transition:background .2s ease
    }
    .article-row:last-child{border-bottom:0}
    .article-row:hover{background:#f8fbf2}
    .article-date{color:var(--purple);font-size:13px;font-weight:900;line-height:1.35}
    .article-date span{display:block;color:#89958f;font-size:12px;font-weight:700}
    .article-copy .tag{margin-bottom:7px}
    .article-copy h3{margin:0 0 5px;font-size:18px}
    .article-copy p{margin:0;color:var(--muted);font-size:14px}
    .article-row .text-link{white-space:nowrap}
    .more-row{display:flex;justify-content:flex-end;margin-top:22px}
    .download-area{padding:0 0 96px}
    .download-card{
      position:relative;overflow:hidden;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:27px;align-items:center;
      padding:30px;background:var(--ink);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-hover)
    }
    .download-card:before{
      content:"";position:absolute;inset:0;opacity:.23;
      background-image:linear-gradient(rgba(185,243,64,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(185,243,64,.25) 1px,transparent 1px);
      background-size:20px 20px;mask-image:linear-gradient(90deg,transparent,black 70%)
    }
    .app-icon{
      position:relative;z-index:1;display:grid;place-items:center;width:76px;height:76px;border-radius:21px;
      background:var(--lime);color:var(--ink);font-size:26px;font-weight:950;box-shadow:inset 0 -5px rgba(23,33,29,.1)
    }
    .download-copy{position:relative;z-index:1}
    .download-copy h2{margin:0 0 7px;font-size:27px}
    .download-copy p{margin:0;color:#c3cec7;font-size:14px}
    .download-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .download-meta span{padding:4px 9px;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#d9e3dc;font-size:12px;font-weight:700}
    .download-side{position:relative;z-index:1;display:flex;align-items:center;gap:15px}
    .qr-box{
      display:grid;place-items:center;width:76px;height:76px;padding:7px;background:#fff;border-radius:10px;
      background-image:linear-gradient(90deg,#17211d 11%,transparent 11%,transparent 22%,#17211d 22%,#17211d 33%,transparent 33%,transparent 44%,#17211d 44%,#17211d 55%,transparent 55%,transparent 66%,#17211d 66%,#17211d 77%,transparent 77%),linear-gradient(#17211d 11%,transparent 11%,transparent 22%,#17211d 22%,#17211d 33%,transparent 33%,transparent 44%,#17211d 44%,#17211d 55%,transparent 55%,transparent 66%,#17211d 66%,#17211d 77%,transparent 77%);
      background-size:18px 18px;background-position:3px 3px
    }
    .qr-box span{display:grid;place-items:center;width:26px;height:26px;background:#fff;color:var(--ink);font-size:8px;font-weight:900}
    .site-footer{padding:60px 0 23px;background:var(--ink);color:#fff}
    .footer-top{display:grid;grid-template-columns:1.1fr 1.4fr;gap:74px;padding-bottom:44px;border-bottom:1px solid rgba(185,243,64,.35)}
    .footer-brand p{max-width:355px;margin:17px 0 0;color:#b9c5be;font-size:14px}
    .footer-brand .brand{font-size:20px}
    .footer-brand .brand-mark{background:var(--lime)}
    .footer-brand .brand-mark:before,.footer-brand .brand-mark:after{background:var(--ink)}
    .footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
    .footer-col h3{margin:1px 0 16px;color:var(--lime);font-size:14px;letter-spacing:.03em}
    .footer-col a,.footer-col span{display:block;margin:0 0 10px;color:#c1cbc5;font-size:14px}
    .footer-col a:hover{color:var(--lime)}
    .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:21px;color:#91a198;font-size:13px}
    .footer-bottom p{margin:0}
    .footer-bottom div{display:flex;flex-wrap:wrap;gap:16px}
    .footer-bottom a:hover{color:var(--lime)}
    @media (max-width:1024px){
      .editorial-grid{grid-template-columns:1fr 275px;gap:34px}
      .feature-games{gap:14px}
      .game-row{grid-template-columns:126px minmax(0,1fr);gap:16px}
      .game-cover{min-height:145px}
      .recommend-layout{grid-template-columns:1.1fr .9fr}
      .footer-top{gap:42px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .section{padding:66px 0}
      .nav-wrap{height:68px;gap:13px}
      .brand{font-size:15px;max-width:235px}
      .brand-mark{width:29px;height:29px}
      .main-nav{
        display:none;position:absolute;top:68px;left:0;right:0;height:auto;padding:12px 16px 18px;
        background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0
      }
      .main-nav.open{display:flex}
      .main-nav a{min-height:44px;border-bottom:1px solid #e9eee7}
      .main-nav a.active:after{bottom:5px;left:0;right:auto;width:4px;height:28px;border-radius:0 4px 4px 0}
      .nav-cta{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .editorial-hero{padding:40px 0 37px}
      .editorial-grid{grid-template-columns:1fr;gap:28px}
      .editorial-copy p{font-size:16px}
      .quick-index{max-width:none}
      .section-head{display:block;margin-bottom:26px}
      .section-head .text-link{margin-top:18px}
      .feature-games{grid-template-columns:1fr}
      .recommend-layout{grid-template-columns:1fr}
      .recommend-main{min-height:350px}
      .recommend-side{grid-template-columns:1fr 1fr;grid-template-rows:none}
      .ui-showcase{grid-template-columns:1fr;gap:36px}
      .trial-steps{grid-template-columns:1fr 1fr;gap:28px}
      .trial-step{padding:0 12px 0 0;border-left:0;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:23px}
      .device-grid{grid-template-columns:1fr}
      .article-row{grid-template-columns:86px minmax(0,1fr);gap:15px;padding:19px}
      .article-row .text-link{grid-column:2}
      .download-card{grid-template-columns:auto minmax(0,1fr);gap:18px}
      .download-side{grid-column:1/-1;padding-top:5px}
      .footer-top{grid-template-columns:1fr;gap:38px}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .container{width:min(calc(100% - 28px),var(--max))}
      h1{font-size:35px}
      .section{padding:55px 0}
      .editorial-hero{padding-top:31px}
      .breadcrumb{margin-bottom:23px}
      .quick-index{padding:18px}
      .game-row{grid-template-columns:105px minmax(0,1fr);min-height:160px;padding:12px;gap:14px}
      .game-cover{min-height:136px}
      .game-cover b{left:11px;bottom:11px;font-size:17px}
      .game-content h3{font-size:17px}
      .game-content p{font-size:13px}
      .recommend-main{min-height:330px;padding:24px}
      .recommend-main h3{font-size:27px}
      .recommend-main:before{right:20px;top:25px;width:126px;height:126px}
      .recommend-main:after{right:47px;top:48px;width:79px;height:79px}
      .recommend-side{grid-template-columns:1fr;gap:14px}
      .mini-recommend{min-height:170px}
      .ui-dashboard{height:270px;grid-template-columns:60px 1fr}
      .ui-cards{gap:6px}
      .trial-steps{grid-template-columns:1fr;gap:19px}
      .trial-step{padding-bottom:19px}
      .device-panel{padding:23px}
      .article-row{grid-template-columns:1fr;padding:18px}
      .article-row .text-link{grid-column:auto}
      .article-date{display:flex;gap:7px;align-items:center}
      .article-date span{display:inline}
      .download-card{grid-template-columns:1fr;padding:24px}
      .download-side{grid-column:auto;flex-wrap:wrap}
      .download-copy h2{font-size:23px}
      .footer-cols{grid-template-columns:1fr 1fr;gap:26px 18px}
      .footer-bottom{align-items:flex-start;flex-direction:column}
      .footer-bottom div{gap:10px 14px}
    }
    @media (prefers-reduced-motion:reduce){
      html{scroll-behavior:auto}
      *,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
    }

/* roulang page: category3 */
:root{
  --ink:#17211d;
  --ink-2:#26332d;
  --lime:#b9f340;
  --lime-soft:#e9ffc0;
  --purple:#7f63f4;
  --purple-soft:#eeeaff;
  --mist:#f5f7f1;
  --paper:#fcfdf9;
  --line:#dce3d8;
  --muted:#64716b;
  --orange:#e68432;
  --orange-soft:#fff0df;
  --shadow:0 12px 28px rgba(23,33,29,.09);
  --shadow-hover:0 18px 34px rgba(23,33,29,.14);
  --radius:16px;
  --radius-lg:22px;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.68}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
.section{padding:92px 0;position:relative}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{margin:0;font-size:clamp(27px,3vw,40px);line-height:1.24;letter-spacing:-.045em;font-weight:850}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--purple)}
.eyebrow:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(185,243,64,.18)}
.section-lead{max-width:680px;margin:10px 0 0;color:var(--muted);font-size:16px}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:800;gap:9px;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,33,29,.18)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(127,99,244,.42);outline-offset:3px}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-outline{border-color:#a9b5ad;background:transparent;color:var(--ink)}
.btn-outline:hover{background:#e9f3df}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#293931;color:#fff}
.text-link{font-size:14px;font-weight:800;display:inline-flex;align-items:center;gap:7px;border-bottom:1px solid var(--lime);padding-bottom:2px;transition:color .2s}
.text-link:hover{color:var(--purple)}
.tag{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-size:12px;line-height:1.2;font-weight:800;background:var(--purple-soft);color:#5741bd}
.tag.lime{background:var(--lime-soft);color:#344d08}
.tag.orange{background:var(--orange-soft);color:#ad5714}
.site-header{position:sticky;top:0;z-index:30;background:rgba(252,253,249,.96);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:17px;line-height:1.2;letter-spacing:-.03em;max-width:270px}
.brand-mark{position:relative;width:32px;height:32px;border-radius:9px;background:var(--ink);flex:0 0 auto;overflow:hidden}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
.brand-mark:before{width:16px;height:6px;left:8px;top:13px}
.brand-mark:after{width:6px;height:16px;left:13px;top:8px}
.main-nav{display:flex;align-items:stretch;gap:21px;margin-left:auto;height:100%}
.main-nav a{position:relative;display:flex;align-items:center;font-size:14px;font-weight:750;color:#425149;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a.active:after{content:"";position:absolute;bottom:0;left:4px;right:4px;height:3px;border-radius:4px 4px 0 0;background:var(--lime)}
.nav-cta{margin-left:2px;min-height:42px;padding:0 15px}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--paper);width:42px;height:42px;border-radius:10px;color:var(--ink);font-size:20px}
.page-hero{padding:54px 0 60px;background:var(--paper);border-bottom:1px solid var(--line);overflow:hidden}
.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-bottom:27px;color:var(--muted);font-size:13px;font-weight:700}
.breadcrumbs span{color:#a6b0aa}
.guide-top{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(330px,.8fr);gap:48px;align-items:end}
.guide-top h1{max-width:750px;margin:0;font-size:clamp(36px,5vw,60px);line-height:1.11;letter-spacing:-.06em;font-weight:900}
.guide-top h1 em{font-style:normal;color:var(--purple)}
.guide-top p{max-width:700px;margin:20px 0 0;color:#536159;font-size:18px}
.route-card{padding:24px;border-radius:var(--radius-lg);background:var(--ink);color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.route-card:after{content:"";position:absolute;width:156px;height:156px;right:-38px;top:-48px;border:20px solid rgba(185,243,64,.16);border-radius:50%}
.route-card h2{font-size:16px;margin:0 0 17px;position:relative;z-index:1}
.route-list{display:grid;gap:10px;position:relative;z-index:1}
.route-list a{display:flex;align-items:center;gap:12px;padding:10px 11px;border-radius:10px;background:rgba(255,255,255,.08);font-size:14px;font-weight:750;transition:background .2s,transform .2s}
.route-list a:hover{background:rgba(185,243,64,.16);transform:translateX(3px)}
.route-no{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:var(--lime);color:var(--ink);font-size:12px;font-weight:900}
.paper-section{background:var(--paper)}
.learning-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.learning-card{padding:27px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);box-shadow:0 7px 17px rgba(23,33,29,.04);min-height:235px;transition:transform .25s,box-shadow .25s,border-color .25s}
.learning-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c4d8a3}
.step-index{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}
.step-index b{font-size:14px;color:var(--purple)}
.step-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:13px;background:var(--lime-soft);font-size:21px}
.learning-card h3{font-size:21px;line-height:1.32;margin:0 0 11px;font-weight:850}
.learning-card p{color:var(--muted);font-size:14px;margin:0}
.interface-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.interface-figure{border-radius:var(--radius-lg);background:var(--ink);padding:17px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.interface-screen{min-height:372px;border-radius:15px;background:linear-gradient(145deg,#31433a,#1d2a24);padding:20px;position:relative;overflow:hidden}
.interface-screen:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(185,243,64,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(185,243,64,.06) 1px,transparent 1px);background-size:21px 21px}
.screen-bar{height:34px;border-radius:9px;background:rgba(255,255,255,.12);position:relative;z-index:1}
.screen-tiles{display:grid;grid-template-columns:1.3fr 1fr;gap:12px;margin-top:16px;position:relative;z-index:1}
.screen-feature{height:184px;border-radius:13px;background:linear-gradient(145deg,#8670eb,#5b469f);padding:18px;color:#fff}
.screen-feature small,.mini-ui small{opacity:.75;font-size:11px}
.screen-feature b{display:block;margin-top:57px;font-size:22px}
.mini-stack{display:grid;gap:12px}
.mini-ui{border-radius:13px;background:#dce8ce;color:var(--ink);padding:14px;height:86px}
.mini-ui:nth-child(2){background:#f2decc}
.float-label{position:absolute;right:15px;bottom:15px;padding:8px 12px;border-radius:9px;background:var(--lime);font-size:12px;font-weight:900;color:var(--ink);z-index:2}
.interface-notes{display:grid;gap:13px}
.note-row{display:grid;grid-template-columns:43px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.note-row:last-child{border-bottom:0}
.note-row b{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--purple-soft);color:#6049cc;font-size:14px}
.note-row h3{margin:0 0 3px;font-size:16px;font-weight:850}
.note-row p{margin:0;color:var(--muted);font-size:14px}
.setup-wrap{display:grid;grid-template-columns:.86fr 1.14fr;gap:28px}
.setup-panel{border-radius:var(--radius-lg);background:var(--ink);color:#fff;padding:32px;position:relative;overflow:hidden}
.setup-panel:before{content:"";position:absolute;right:-45px;bottom:-58px;width:190px;height:190px;border:25px solid rgba(185,243,64,.11);border-radius:50%}
.setup-panel h2{position:relative;margin:0 0 13px;font-size:31px;line-height:1.22;letter-spacing:-.04em}
.setup-panel p{position:relative;color:#c9d3cd;margin:0;font-size:15px}
.setup-panel .tag{position:relative;margin-top:25px}
.check-list{display:grid;gap:12px}
.check-item{display:flex;align-items:flex-start;gap:14px;padding:18px;border-radius:var(--radius);background:var(--paper);border:1px solid var(--line);transition:border-color .2s,transform .2s}
.check-item:hover{border-color:#b9d77b;transform:translateX(3px)}
.check-dot{display:grid;place-items:center;flex:0 0 27px;width:27px;height:27px;border-radius:50%;background:var(--lime);font-size:14px;font-weight:900}
.check-item h3{font-size:16px;margin:0 0 3px;font-weight:850}
.check-item p{font-size:13px;color:var(--muted);margin:0}
.start-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.start-card{position:relative;padding:27px;border-radius:var(--radius-lg);background:var(--paper);border:1px solid var(--line);overflow:hidden;min-height:255px}
.start-card:nth-child(2){background:#edeaff;border-color:#ddd7ff}
.start-card:nth-child(3){background:#edf8df;border-color:#d4e9aa}
.start-card:before{content:attr(data-number);display:block;margin-bottom:28px;font-size:13px;font-weight:900;color:var(--purple)}
.start-card h3{margin:0 0 10px;font-size:21px;font-weight:850}
.start-card p{margin:0;color:var(--muted);font-size:14px}
.start-card .line-art{position:absolute;width:105px;height:105px;right:-17px;bottom:-20px;border:15px solid rgba(127,99,244,.13);border-radius:50%}
.knowledge-section{background:#e9eee5}
.knowledge-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.knowledge-card{padding:31px;border-radius:var(--radius-lg);background:var(--paper);border:1px solid var(--line)}
.knowledge-card.rule{background:var(--ink);color:#fff;border-color:var(--ink)}
.knowledge-card h3{display:flex;align-items:center;gap:10px;margin:0 0 19px;font-size:24px;font-weight:850}
.knowledge-card h3 i{font-style:normal;width:29px;height:29px;display:grid;place-items:center;border-radius:8px;background:var(--lime);color:var(--ink);font-size:15px}
.knowledge-card ul{list-style:none;padding:0;margin:0;display:grid;gap:13px}
.knowledge-card li{position:relative;padding-left:19px;font-size:14px;color:var(--muted)}
.knowledge-card.rule li{color:#d4ddd8}
.knowledge-card li:before{content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;border-radius:50%;background:var(--purple)}
.knowledge-card.rule li:before{background:var(--lime)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--paper);overflow:hidden}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 20px;font-size:15px;font-weight:850;cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";display:grid;place-items:center;flex:0 0 26px;width:26px;height:26px;border-radius:8px;background:var(--purple-soft);color:#6049cc;font-size:20px;font-weight:500;transition:transform .2s}
.faq-item[open] summary:after{content:"−";background:var(--lime-soft);color:var(--ink)}
.faq-item p{margin:0;padding:0 20px 20px;color:var(--muted);font-size:14px}
.article-list{display:grid;gap:12px}
.article-row{display:grid;grid-template-columns:120px 1fr auto;align-items:center;gap:22px;padding:17px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);transition:transform .2s,box-shadow .2s,border-color .2s}
.article-row:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#c8dca1}
.article-date{padding-right:18px;border-right:1px solid var(--line);font-size:13px;font-weight:850;color:var(--purple)}
.article-copy h3{margin:0 0 4px;font-size:17px;line-height:1.4;font-weight:850}
.article-copy p{margin:0;color:var(--muted);font-size:13px}
.article-row .text-link{white-space:nowrap}
.download-section{padding:88px 0;background:var(--ink);overflow:hidden}
.download-box{display:grid;grid-template-columns:1fr auto;gap:35px;align-items:center;padding:42px;border:1px solid rgba(185,243,64,.28);border-radius:var(--radius-lg);position:relative;overflow:hidden}
.download-box:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(185,243,64,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(185,243,64,.06) 1px,transparent 1px);background-size:24px 24px}
.download-copy,.download-side{position:relative;z-index:1}
.download-copy h2{margin:0 0 13px;color:#fff;font-size:clamp(28px,3vw,40px);line-height:1.2;font-weight:900;letter-spacing:-.045em}
.download-copy p{max-width:640px;margin:0;color:#c8d3cc}
.system-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:21px}
.system-tags span{padding:5px 10px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#e1e8e3;font-size:12px;font-weight:750}
.download-side{display:flex;align-items:center;gap:17px}
.qr-box{display:grid;place-items:center;width:94px;height:94px;border-radius:12px;background:#fff;color:var(--ink);font-size:11px;font-weight:900;text-align:center;line-height:1.35}
.qr-pattern{width:55px;height:55px;margin-bottom:3px;background:repeating-linear-gradient(90deg,var(--ink) 0 5px,transparent 5px 9px),repeating-linear-gradient(var(--ink) 0 5px,transparent 5px 9px);opacity:.88}
.download-actions{display:grid;gap:10px}
.download-actions small{color:#b8c4bc;font-size:12px;white-space:nowrap}
.site-footer{background:var(--ink);color:#fff;padding:64px 0 23px}
.footer-top{display:grid;grid-template-columns:1.15fr 1fr;gap:80px;padding-bottom:48px;border-bottom:1px solid rgba(185,243,64,.3)}
.footer-brand .brand{color:#fff;max-width:none}
.footer-brand p{max-width:410px;margin:16px 0 0;color:#b9c5bd;font-size:14px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.footer-col h3{margin:0 0 14px;color:var(--lime);font-size:14px;font-weight:850}
.footer-col a,.footer-col span{display:block;margin:8px 0;color:#d1dad4;font-size:13px}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:21px;color:#aebbb3;font-size:12px}
.footer-bottom p{margin:0}
.footer-bottom div{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--lime)}
@media (max-width:1024px){
  .guide-top{grid-template-columns:1fr .78fr;gap:28px}
  .interface-layout,.setup-wrap{gap:25px}
  .article-row{grid-template-columns:96px 1fr}
  .article-row .text-link{grid-column:2}
}
@media (max-width:860px){
  .container{width:min(calc(100% - 36px),var(--max))}
  .main-nav{position:absolute;display:none;top:76px;left:0;right:0;height:auto;margin:0;padding:10px 18px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
  .main-nav.open{display:flex}
  .main-nav a{min-height:45px;border-bottom:1px solid #edf0eb}
  .main-nav a.active:after{bottom:4px;left:0;right:auto;width:20px}
  .nav-cta{margin-left:auto}
  .menu-toggle{display:block}
  .guide-top,.interface-layout,.setup-wrap{grid-template-columns:1fr}
  .route-card{max-width:620px}
  .learning-grid,.start-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr;gap:42px}
}
@media (max-width:640px){
  body{font-size:15px}
  .container{width:min(calc(100% - 28px),var(--max))}
  .section{padding:62px 0}
  .nav-wrap{height:68px;gap:12px}
  .brand{font-size:15px;max-width:215px}
  .brand-mark{width:29px;height:29px}
  .nav-cta{display:none}
  .main-nav{top:68px}
  .page-hero{padding:38px 0 44px}
  .guide-top h1{font-size:37px}
  .guide-top p{font-size:16px}
  .section-head{display:block;margin-bottom:25px}
  .learning-grid,.start-grid,.knowledge-grid,.faq-grid{grid-template-columns:1fr}
  .learning-card{min-height:0}
  .interface-screen{min-height:315px}
  .screen-feature{height:160px}
  .article-row{grid-template-columns:1fr;gap:9px;padding:18px}
  .article-date{border:0;padding:0}
  .article-row .text-link{grid-column:auto;margin-top:2px;width:max-content}
  .download-section{padding:62px 0}
  .download-box{grid-template-columns:1fr;padding:27px;gap:26px}
  .download-side{align-items:flex-start}
  .footer-cols{grid-template-columns:1fr 1fr;gap:26px}
  .footer-bottom{align-items:flex-start;flex-direction:column}
}
@media (max-width:420px){
  .brand{max-width:184px;font-size:14px}
  .route-card{padding:20px}
  .screen-tiles{grid-template-columns:1fr}
  .mini-stack{grid-template-columns:1fr 1fr}
  .mini-ui{height:70px}
  .screen-feature{height:126px}
  .screen-feature b{margin-top:31px}
  .footer-cols{grid-template-columns:1fr}
  .download-side{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --ink:#17211d;
  --ink-2:#26332d;
  --lime:#b9f340;
  --lime-soft:#e9ffc0;
  --purple:#7f63f4;
  --purple-soft:#eeeaff;
  --mist:#f5f7f1;
  --paper:#fcfdf9;
  --line:#dce3d8;
  --muted:#64716b;
  --orange:#e68432;
  --shadow:0 12px 28px rgba(23,33,29,.09);
  --shadow-hover:0 18px 34px rgba(23,33,29,.14);
  --radius:16px;
  --radius-lg:22px;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.68}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img{display:block;max-width:100%}
.container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
.section{padding:92px 0;position:relative}
.section-soft{background:var(--paper)}
.section-dark{background:var(--ink);color:#fff;overflow:hidden}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 11px;color:var(--purple);font-size:13px;font-weight:850;letter-spacing:.07em}
.eyebrow:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(185,243,64,.18)}
.section-dark .eyebrow{color:#d9fca0}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,5vw,62px);line-height:1.14;letter-spacing:-.045em;font-weight:850}
h2{font-size:clamp(27px,3.2vw,40px);line-height:1.22;letter-spacing:-.035em;font-weight:850;margin-bottom:12px}
h3{font-size:20px;line-height:1.35;font-weight:800}
.section-lead{max-width:680px;margin:0;color:var(--muted);font-size:17px}
.section-dark .section-lead{color:#b9c5be}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:12px;font-weight:800;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,33,29,.18)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(127,99,244,.42);outline-offset:3px}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-outline{border-color:#a9b5ad;background:transparent;color:var(--ink)}
.btn-outline:hover{background:#e9f3df}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#2e4037}
.text-link{display:inline-flex;align-items:center;gap:7px;border-bottom:1px solid var(--lime);padding-bottom:2px;font-size:14px;font-weight:850;transition:color .2s}
.text-link:hover{color:var(--purple)}
.tag{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-size:12px;line-height:1.2;font-weight:800;background:var(--purple-soft);color:#5741bd}
.tag.lime{background:var(--lime-soft);color:#3e5a10}
.tag.orange{background:#fff0df;color:#a95516}
.site-header{position:sticky;top:0;z-index:30;background:rgba(252,253,249,.96);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:17px;line-height:1.2;letter-spacing:-.03em;max-width:270px}
.brand-mark{position:relative;width:32px;height:32px;border-radius:9px;background:var(--ink);flex:0 0 auto;overflow:hidden}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
.brand-mark:before{width:16px;height:6px;left:8px;top:13px}
.brand-mark:after{width:6px;height:16px;left:13px;top:8px}
.main-nav{display:flex;align-items:stretch;gap:21px;margin-left:auto;height:100%}
.main-nav a{position:relative;display:flex;align-items:center;font-size:14px;font-weight:750;color:#425149;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a.active:after{content:"";position:absolute;bottom:0;left:4px;right:4px;height:3px;border-radius:4px 4px 0 0;background:var(--lime)}
.nav-cta{margin-left:2px;min-height:42px;padding:0 15px}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--paper);width:42px;height:42px;border-radius:10px;color:var(--ink);font-size:20px}
.page-hero{background:var(--paper);border-bottom:1px solid var(--line);padding:62px 0 52px;position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;width:430px;height:430px;right:-110px;top:-230px;border-radius:50%;border:54px solid rgba(185,243,64,.22)}
.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:27px;color:var(--muted);font-size:13px;font-weight:700}
.breadcrumb i{font-style:normal;color:#9aa79f}
.hero-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:end;position:relative;z-index:1}
.hero-copy h1{max-width:760px;margin-bottom:17px}
.hero-copy p{max-width:720px;color:#516058;font-size:18px;margin-bottom:0}
.version-panel{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.version-panel:before{content:"";position:absolute;inset:auto -18px -38px auto;width:160px;height:160px;border:18px solid rgba(185,243,64,.2);border-radius:50%}
.version-panel h3{font-size:18px;margin-bottom:16px}
.version-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative}
.version-meta div{padding:10px 0;border-top:1px solid rgba(255,255,255,.16)}
.version-meta span{display:block;color:#b4c0ba;font-size:12px}
.version-meta b{font-size:14px}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;padding:22px;border:1px solid var(--line);background:#fafff2;border-radius:var(--radius);margin-top:34px}
.anchor-nav a{border:1px solid #d3e7a7;background:#fff;padding:7px 12px;border-radius:999px;font-size:13px;font-weight:750;transition:.2s}
.anchor-nav a:hover{background:var(--lime);border-color:var(--lime)}
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.device-card{min-height:285px;padding:25px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);box-shadow:0 6px 16px rgba(23,33,29,.035);display:flex;flex-direction:column;transition:.25s}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8d4c3}
.device-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:16px;background:var(--ink);color:var(--lime);font-size:22px;font-weight:900;margin-bottom:21px}
.device-card.ios .device-icon{background:var(--purple);color:#fff}
.device-card.desktop .device-icon{background:#e8efe3;color:var(--ink)}
.device-card p{color:var(--muted);font-size:14px;margin-bottom:20px}
.device-card .status{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px;font-weight:800}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block;margin-right:6px}
.status-pending{background:var(--orange)}
.check-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}
.check-panel{background:var(--ink);padding:34px;border-radius:var(--radius-lg);color:#fff;position:relative;overflow:hidden}
.check-panel:after{content:"";position:absolute;right:-36px;bottom:-36px;width:178px;height:178px;background-image:radial-gradient(var(--lime) 1.4px,transparent 1.4px);background-size:14px 14px;opacity:.5}
.check-panel h2{position:relative;z-index:1}
.check-list{list-style:none;padding:0;margin:24px 0 0;position:relative;z-index:1}
.check-list li{display:flex;gap:13px;padding:15px 0;border-top:1px solid rgba(255,255,255,.15)}
.check-list b{display:grid;place-items:center;flex:0 0 26px;height:26px;background:var(--lime);color:var(--ink);border-radius:8px;font-size:13px}
.check-list span{color:#d7e0da;font-size:14px}
.notice-card{border:1px solid #f2cc9e;border-radius:var(--radius-lg);background:#fff8ef;padding:32px}
.notice-card h3{display:flex;align-items:center;gap:10px}
.notice-card h3:before{content:"!";display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:var(--orange);color:#fff;font-size:15px}
.notice-card p{color:#765e48;margin-bottom:20px}
.notice-card ul{margin:0;padding-left:20px;color:#725d49;font-size:14px}
.notice-card li+li{margin-top:9px}
.install-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:48px}
.install-copy{position:sticky;top:105px;align-self:start}
.install-copy p{color:var(--muted)}
.timeline{border-left:2px solid #d6e5a9;padding-left:31px}
.time-step{position:relative;padding:0 0 33px}
.time-step:last-child{padding-bottom:0}
.time-step:before{content:attr(data-step);position:absolute;left:-47px;top:0;display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:var(--lime);color:var(--ink);font-size:13px;font-weight:900}
.time-step h3{margin-bottom:7px}
.time-step p{margin:0;color:var(--muted);font-size:15px}
.version-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.update-list{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--paper)}
.update-item{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;padding:20px 23px;border-bottom:1px solid var(--line)}
.update-item:last-child{border-bottom:0}
.update-item b{font-size:15px}
.update-item p{margin:0;color:var(--muted);font-size:14px}
.update-item time{font-size:13px;color:var(--muted);white-space:nowrap}
.manage-card{border-radius:var(--radius-lg);padding:30px;background:var(--purple);color:#fff;position:relative;overflow:hidden}
.manage-card:after{content:"";position:absolute;right:-25px;top:-40px;width:160px;height:160px;border:20px solid rgba(255,255,255,.16);border-radius:50%}
.manage-card h3,.manage-card p,.manage-card ul{position:relative;z-index:1}
.manage-card p{color:#e6e1ff}
.manage-card ul{padding-left:19px;margin:18px 0 0;font-size:14px}
.manage-card li+li{margin-top:8px}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 18px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--paper);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 47px 18px 19px;font-size:15px;font-weight:800;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:18px;top:13px;font-size:23px;font-weight:400;color:var(--purple)}
.faq-item[open] summary{color:var(--purple);border-bottom:1px solid var(--line)}
.faq-item[open] summary:after{content:"−"}
.faq-item p{margin:0;padding:16px 19px 19px;color:var(--muted);font-size:14px}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-card{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--paper);transition:.25s}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.article-cover{height:150px;position:relative;overflow:hidden;background:linear-gradient(135deg,#273a31,#798c49)}
.article-card:nth-child(2) .article-cover{background:linear-gradient(135deg,#7460d7,#303a5e)}
.article-card:nth-child(3) .article-cover{background:linear-gradient(135deg,#b6d854,#476c5a)}
.article-cover:before{content:"";position:absolute;inset:22px 28px;border:2px solid rgba(255,255,255,.4);border-radius:14px}
.article-cover:after{content:"";position:absolute;left:45px;right:45px;top:48px;height:8px;border-radius:5px;background:rgba(255,255,255,.75);box-shadow:0 19px 0 rgba(255,255,255,.38),0 38px 0 rgba(255,255,255,.25)}
.article-body{padding:20px}
.article-body time{display:block;color:var(--muted);font-size:12px;margin:10px 0}
.article-body h3{font-size:18px;margin-bottom:10px}
.article-body p{color:var(--muted);font-size:14px;margin-bottom:16px}
.list-more{text-align:center;margin-top:28px}
.download-cta{position:relative;overflow:hidden;border-radius:28px;padding:46px;background:var(--ink);color:#fff;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.download-cta:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(185,243,64,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(185,243,64,.08) 1px,transparent 1px);background-size:24px 24px;mask-image:linear-gradient(90deg,#000,transparent 80%)}
.download-cta>div{position:relative;z-index:1}
.download-cta h2{margin-bottom:14px}
.download-cta p{color:#c2cec7;max-width:620px;margin-bottom:23px}
.download-info{display:flex;flex-wrap:wrap;gap:9px}
.download-info span{padding:5px 10px;border:1px solid rgba(255,255,255,.19);border-radius:999px;color:#d7e3dc;font-size:12px;font-weight:750}
.download-side{display:flex;justify-content:flex-end;align-items:center;gap:20px}
.qr{display:grid;place-items:center;width:112px;height:112px;padding:8px;background:#fff;border-radius:12px}
.qr-grid{width:92px;height:92px;background:repeating-linear-gradient(90deg,#17211d 0 7px,#fff 7px 12px),repeating-linear-gradient(#17211d 0 7px,#fff 7px 12px);background-blend-mode:multiply}
.download-side small{display:block;color:#b7c3bc;font-size:12px;margin-top:10px}
.site-footer{background:var(--ink);color:#eef4ed;padding:66px 0 24px}
.footer-top{display:grid;grid-template-columns:1.1fr 1.4fr;gap:70px;padding-bottom:46px;border-bottom:1px solid rgba(185,243,64,.32)}
.footer-brand .brand{color:#fff;font-size:20px}
.footer-brand p{max-width:360px;margin:17px 0 0;color:#b9c6bf;font-size:14px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-col h3{font-size:14px;color:var(--lime);margin-bottom:15px}
.footer-col a,.footer-col span{display:block;color:#c0cbc5;font-size:14px;padding:4px 0}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-top:23px;color:#aebbb3;font-size:13px}
.footer-bottom p{margin:0}
.footer-bottom div{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a:hover{color:var(--lime)}
@media (max-width:960px){
  .section{padding:72px 0}.hero-layout,.check-grid,.version-layout,.download-cta{grid-template-columns:1fr}.hero-layout{gap:28px}.version-panel{max-width:650px}.download-grid,.article-list{grid-template-columns:repeat(2,1fr)}.install-layout{grid-template-columns:1fr;gap:30px}.install-copy{position:static}.footer-top{grid-template-columns:1fr;gap:40px}.download-side{justify-content:flex-start}
}
@media (max-width:768px){
  .container{width:min(calc(100% - 32px),var(--max))}.nav-wrap{height:68px}.main-nav{display:none}.nav-cta{margin-left:auto}.menu-toggle{display:block}.page-hero{padding:42px 0}.section-head{display:block;margin-bottom:27px}.section-head .section-lead{margin-top:12px}.anchor-nav{padding:16px}.download-grid,.article-list,.faq-grid{grid-template-columns:1fr}.device-card{min-height:230px}.update-item{grid-template-columns:96px 1fr}.update-item time{grid-column:2}.download-cta{padding:34px 26px}.footer-cols{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  body{font-size:15px}.section{padding:58px 0}.nav-cta{display:none}.brand{font-size:15px}.page-hero{padding:34px 0}.hero-copy p{font-size:16px}.version-meta{grid-template-columns:1fr}.download-grid{gap:14px}.check-panel,.notice-card,.manage-card{padding:25px}.timeline{padding-left:27px}.time-step:before{left:-43px}.update-item{grid-template-columns:1fr;gap:6px;padding:18px}.update-item time{grid-column:auto}.download-side{display:block}.qr{margin-bottom:18px}.footer-cols{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom div{margin-top:12px;gap:11px}.btn{width:100%}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.device-card,.article-card{transition:none}}