/* roulang page: index */
:root{
  --ink:#17211d;
  --deep:#101714;
  --panel:#18231e;
  --panel-2:#202d27;
  --paper:#f3f5ef;
  --muted:#78837d;
  --line:#dce2da;
  --line-dark:rgba(255,255,255,.13);
  --lime:#c7f35a;
  --lime-dark:#9ecb32;
  --amber:#e7b85c;
  --white:#fff;
  --radius:18px;
  --shadow:0 16px 40px rgba(20,34,26,.09);
  --ease:all .25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{text-decoration:underline;text-underline-offset:4px}
button,input{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{background:var(--deep);color:#eaf0e8;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-dark)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;min-width:260px}
.brand-mark{width:37px;height:37px;border-radius:11px;background:var(--lime);color:var(--deep);display:grid;place-items:center;font-weight:900;font-size:18px}
.brand-text{font-weight:800;line-height:1.25;font-size:14px;letter-spacing:.01em}
.brand-text small{display:block;font-size:11px;color:#aebbb2;font-weight:500;margin-top:3px}
.nav-list{display:flex;align-items:center;gap:5px;list-style:none}
.nav-list a{display:block;padding:9px 13px;border-radius:10px;color:#cbd5cd;font-size:14px;white-space:nowrap}
.nav-list a:hover,.nav-list a.active{background:rgba(199,243,90,.12);color:var(--lime);text-decoration:none}
.menu-toggle{display:none;background:none;color:var(--lime);font-size:25px}
.hero{background:var(--deep);color:var(--white);padding:76px 0 82px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(199,243,90,.16);border-radius:50%;right:-170px;top:-230px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:72px;position:relative;z-index:1}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
.hero h1{font-size:clamp(30px,4.2vw,56px);line-height:1.22;letter-spacing:-.04em;margin:19px 0 20px;max-width:700px}
.hero-copy{color:#b9c7bc;max-width:650px;font-size:17px;line-height:1.9}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:31px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 21px;border-radius:10px;font-weight:800;transition:var(--ease);text-decoration:none!important}
.btn-primary{background:var(--lime);color:var(--deep)}
.btn-primary:hover{background:#d8ff83;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,90,.18)}
.btn-secondary{border:1px solid rgba(255,255,255,.25);color:#f4f8f2}
.btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn:focus-visible,.nav-list a:focus-visible,.menu-toggle:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.scoreboard{background:var(--panel);border:1px solid var(--line-dark);border-radius:22px;padding:24px;box-shadow:0 22px 45px rgba(0,0,0,.18)}
.board-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:20px;border-bottom:1px solid var(--line-dark)}
.status{color:var(--lime);font-size:12px;font-weight:800;display:flex;align-items:center;gap:7px}
.status i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:block}
.board-title{font-size:20px;font-weight:800;margin:22px 0 5px}
.board-sub{color:#91a097;font-size:13px}
.board-row{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line-dark);padding:17px 0}
.board-row:last-child{border:0;padding-bottom:3px}
.board-label{color:#b8c5bb;font-size:14px}
.board-value{font-weight:800;color:#f5f9f3}
.board-value em{font-style:normal;color:var(--lime);font-size:12px;margin-left:7px}
.section{padding:88px 0}
.section.alt{background:#e9eee6}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-kicker{color:#628026;letter-spacing:.04em}
.section-title{font-size:clamp(25px,3vw,38px);line-height:1.3;margin-top:8px;letter-spacing:-.03em}
.section-intro{color:var(--muted);max-width:520px}
.entry-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
.entry-main,.entry-small,.download-panel{border-radius:var(--radius);border:1px solid var(--line);background:var(--white);box-shadow:var(--shadow)}
.entry-main{padding:35px;min-height:285px;display:flex;flex-direction:column;justify-content:space-between;background:var(--panel);color:white;border-color:var(--panel)}
.entry-main h3{font-size:29px;max-width:430px;line-height:1.35}
.entry-main p{color:#b7c5ba;max-width:490px;margin-top:10px}
.entry-small{padding:25px;min-height:133px;display:flex;flex-direction:column;justify-content:space-between}
.entry-small h3{font-size:19px}
.entry-small p{font-size:13px;color:var(--muted)}
.entry-side{display:grid;gap:18px}
.arrow{color:#6b8c29;font-size:20px}
.topic-bar{display:flex;gap:10px;overflow:auto;padding-bottom:6px;margin-bottom:25px}
.topic-bar span{white-space:nowrap;border:1px solid var(--line);border-radius:30px;padding:8px 16px;color:#66736a;background:var(--white);font-size:13px}
.topic-bar span.active{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.timeline{border-left:2px solid #cbd6c6;padding-left:28px;display:grid;gap:22px}
.timeline-item{position:relative;padding:20px 22px;background:var(--white);border:1px solid var(--line);border-radius:14px}
.timeline-item:before{content:"";position:absolute;left:-37px;top:27px;width:14px;height:14px;border-radius:50%;background:var(--lime);border:4px solid var(--paper)}
.meta{display:flex;gap:12px;align-items:center;color:#7d8980;font-size:12px;margin-bottom:7px}
.tag{color:#628026;background:#edf6d9;border-radius:5px;padding:2px 7px;font-weight:700}
.timeline-item h3{font-size:18px;margin-bottom:4px}
.timeline-item p{color:var(--muted);font-size:14px}
.timeline-item a{color:#658b20;font-weight:700;font-size:13px;display:inline-block;margin-top:8px}
.split{display:grid;grid-template-columns:.88fr 1.12fr;gap:34px;align-items:stretch}
.download-visual{border-radius:var(--radius);background:var(--deep);color:var(--white);padding:38px;position:relative;overflow:hidden}
.download-visual:after{content:"365";position:absolute;right:-20px;bottom:-54px;color:rgba(199,243,90,.08);font-size:190px;font-weight:900}
.download-visual h2{font-size:32px;line-height:1.35;position:relative;z-index:1}
.download-visual p{color:#afbeb3;margin:15px 0 28px;position:relative;z-index:1}
.device-line{display:flex;gap:10px;position:relative;z-index:1}
.device-line span{border:1px solid rgba(255,255,255,.2);padding:8px 13px;border-radius:8px;color:#d8e3d9;font-size:13px}
.download-info{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:35px}
.download-info h3{font-size:23px;margin-bottom:12px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}
.step{background:#f1f5ee;border-radius:12px;padding:16px}
.step b{display:block;color:#6f9228;font-size:20px;margin-bottom:5px}
.step span{font-size:13px;color:#657168}
.notice{border-left:3px solid var(--amber);padding:10px 14px;color:#7a6b4e;background:#fff9eb;font-size:13px}
.news-layout{display:grid;grid-template-columns:1fr 285px;gap:28px}
.news-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:8px 25px}
.news-item{display:grid;grid-template-columns:100px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:0}
.news-date{font-size:13px;color:#768278}
.news-item h3{font-size:17px;margin-bottom:3px}
.news-item p{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-item .arrow{font-size:18px}
.side-note{background:var(--panel);color:white;border-radius:var(--radius);padding:27px;height:max-content}
.side-note h3{font-size:20px;margin-bottom:16px}
.side-note ul{list-style:none}
.side-note li{border-bottom:1px solid var(--line-dark);padding:12px 0;color:#b9c7bc;font-size:14px}
.side-note li:last-child{border:0}
.faq{max-width:850px;margin:auto}
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{cursor:pointer;list-style:none;font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:#72952b;font-size:23px;font-weight:400}
details[open] summary:after{content:"−"}
details p{color:var(--muted);padding:12px 35px 0 0;max-width:760px}
.cta{background:var(--lime);padding:48px 0}
.cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:30px;line-height:1.4}
.cta p{color:#4e641f;margin-top:6px}
.cta .btn{background:var(--deep);color:white}
.site-footer{background:var(--deep);color:#b3c0b5;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:40px;border-bottom:1px solid var(--line-dark)}
.footer-brand{color:white;font-weight:800;font-size:16px;line-height:1.45}
.footer-brand p{color:#87978b;font-size:13px;font-weight:400;margin-top:12px;max-width:270px}
.footer-col h4{color:white;font-size:14px;margin-bottom:14px}
.footer-col a{display:block;color:#9dac9f;font-size:13px;margin:8px 0}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#748379;font-size:12px}
@media(max-width:1024px){
 .hero-grid{gap:35px}.nav-list{gap:0}.nav-list a{padding:8px 8px;font-size:13px}
 .entry-layout,.split{grid-template-columns:1fr}.entry-side{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(100% - 30px,600px)}.navbar{height:68px}.brand{min-width:0}.brand-text{font-size:12px}
 .menu-toggle{display:block}.nav-list{display:none;position:absolute;top:68px;left:0;right:0;background:var(--deep);padding:12px 15px 18px;flex-direction:column;align-items:stretch;border-top:1px solid var(--line-dark)}
 .nav-list.open{display:flex}.nav-list a{padding:12px 14px}.hero{padding:53px 0 58px}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:34px}.hero-copy{font-size:15px}
 .section{padding:60px 0}.section-head{display:block}.section-intro{margin-top:12px}.entry-side{grid-template-columns:1fr}.entry-main{padding:27px}
 .news-layout{grid-template-columns:1fr}.news-item{grid-template-columns:78px 1fr}.news-item .arrow{display:none}
 .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
 .cta-wrap{display:block}.cta .btn{margin-top:22px;width:100%}
}
@media(max-width:520px){
 body{font-size:14px}.brand-mark{width:32px;height:32px;font-size:15px}.brand-text small{display:none}
 .hero h1{font-size:29px}.actions,.actions .btn{width:100%}.actions .btn{min-height:50px}
 .scoreboard{padding:19px}.board-title{font-size:18px}.section-title{font-size:27px}.steps{grid-template-columns:1fr}
 .download-visual,.download-info{padding:25px}.download-visual h2{font-size:27px}.news-list{padding:5px 17px}.news-item{grid-template-columns:1fr;gap:2px;padding:18px 0}.news-item p{white-space:normal}
 .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
}

/* roulang page: index */
:root{
  --ink:#202522;
  --ink-soft:#5f6963;
  --paper:#f5f7f3;
  --white:#fff;
  --line:#dfe5de;
  --lime:#d7f34b;
  --lime-deep:#b8d92e;
  --teal:#4d9b8c;
  --night:#18201d;
  --night-2:#222d28;
  --shadow:0 18px 45px rgba(24,32,29,.10);
  --shadow-soft:0 8px 24px rgba(24,32,29,.07);
  --radius:18px;
  --radius-sm:11px;
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.announcement{height:38px;background:#e9efdf;color:#53624e;display:flex;align-items:center;font-size:12px;overflow:hidden}
.announcement .container{display:flex;align-items:center;gap:10px;white-space:nowrap}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(77,155,140,.14);flex:none}
.site-header{height:76px;background:var(--white);border-bottom:1px solid var(--line);position:relative;z-index:10}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:11px;min-width:250px}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--lime);display:grid;place-items:center;color:var(--night);font-size:17px;font-weight:900;letter-spacing:-1px}
.brand-copy{font-weight:850;line-height:1.15;letter-spacing:-.4px}
.brand-copy small{display:block;color:var(--ink-soft);font-size:10px;font-weight:500;margin-top:3px;letter-spacing:0}
.nav{display:flex;align-items:center;gap:5px}
.nav a{padding:9px 13px;border-radius:9px;color:#59645e;font-size:14px;transition:.2s ease}
.nav a:hover,.nav a:focus,.nav a.active{background:#f0f4ec;color:var(--ink)}
.nav a.active{font-weight:700}
.header-actions{display:flex;align-items:center;gap:9px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 19px;border-radius:10px;font-weight:750;font-size:14px;transition:transform .2s,background .2s,box-shadow .2s,border-color .2s}
.btn-primary{background:var(--lime);color:var(--night);box-shadow:0 6px 15px rgba(190,218,45,.22)}
.btn-primary:hover,.btn-primary:focus{background:var(--lime-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(190,218,45,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:1px solid #cbd4ca;background:transparent;color:var(--ink)}
.btn-outline:hover,.btn-outline:focus{border-color:var(--teal);color:var(--teal);background:#f5fbf8}
.btn-dark{background:var(--night);color:var(--lime)}
.btn-dark:hover,.btn-dark:focus{background:#2d3a33;transform:translateY(-2px)}
.btn:focus,.nav a:focus,.faq-question:focus{outline:3px solid rgba(77,155,140,.3);outline-offset:2px}
.menu-toggle{display:none;background:#eef3eb;border-radius:9px;width:43px;height:43px;color:var(--ink);font-size:22px}
.hero{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:92px 0 86px}
.hero:before{content:"";position:absolute;width:600px;height:600px;border:1px solid rgba(215,243,75,.13);border-radius:50%;right:-170px;top:-270px}
.hero:after{content:"";position:absolute;inset:auto 0 0 0;height:130px;background:linear-gradient(transparent,rgba(0,0,0,.16));pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:1.7px;text-transform:uppercase;color:var(--lime);font-weight:800;margin-bottom:18px}
.hero h1{font-size:clamp(31px,4vw,58px);line-height:1.17;letter-spacing:-2px;max-width:700px;margin-bottom:22px}
.hero-lead{color:#c4cec8;font-size:17px;max-width:620px;line-height:1.9}
.hero-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.hero .btn-outline{color:#fff;border-color:#56635b}
.hero .btn-outline:hover{background:#2d3933;border-color:var(--lime);color:var(--lime)}
.hero-footnote{margin-top:25px;color:#8e9c94;font-size:12px}
.hero-visual{min-height:350px;position:relative;display:flex;justify-content:center;align-items:center}
.orbit{position:absolute;width:350px;height:350px;border:1px solid rgba(215,243,75,.22);border-radius:50%;transform:rotate(-18deg)}
.orbit:before{content:"";position:absolute;left:31px;top:42px;width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 8px rgba(215,243,75,.12)}
.score-panel{width:355px;background:#26322c;border:1px solid #435148;border-radius:22px;padding:20px;box-shadow:0 24px 55px rgba(0,0,0,.3);transform:rotate(2deg)}
.panel-top{display:flex;justify-content:space-between;color:#aebbb3;font-size:12px;margin-bottom:19px}
.live-tag{color:var(--lime);display:flex;gap:6px;align-items:center}
.live-tag i{width:6px;height:6px;background:var(--lime);border-radius:50%}
.match-main{padding:18px 0;border-top:1px solid #3c4841;border-bottom:1px solid #3c4841;display:flex;justify-content:space-around;text-align:center;align-items:center}
.team{font-size:13px;color:#e2e9e4}
.team-badge{width:38px;height:38px;border:1px solid #617169;border-radius:50%;margin:0 auto 8px;display:grid;place-items:center;color:var(--lime);font-weight:800}
.match-score{font-size:27px;font-weight:850;color:#fff;letter-spacing:1px}
.panel-lines{padding-top:16px;display:grid;gap:10px}
.panel-line{height:8px;border-radius:10px;background:#3d4b43}
.panel-line.short{width:64%;background:#596960}
.quick-links{background:var(--white);border-bottom:1px solid var(--line)}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.quick-item{padding:27px 22px;border-right:1px solid var(--line);display:flex;gap:14px;align-items:flex-start;transition:.2s}
.quick-item:first-child{border-left:1px solid var(--line)}
.quick-item:hover{background:#f8fbf5}
.quick-icon{width:34px;height:34px;border-radius:10px;background:#edf5d0;color:#657b1c;display:grid;place-items:center;font-weight:900;flex:none}
.quick-item strong{display:block;font-size:15px;margin-bottom:4px}
.quick-item span{font-size:12px;color:var(--ink-soft)}
.section{padding:90px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:30px}
.section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px}
.section-head p{color:var(--ink-soft);max-width:530px}
.text-link{font-size:13px;font-weight:750;color:#568d80;white-space:nowrap}
.text-link:hover{color:var(--ink);text-decoration:underline}
.focus-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.focus-feature,.timeline-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft)}
.focus-feature{padding:31px;position:relative;overflow:hidden}
.focus-feature:after{content:"赛事资讯";position:absolute;right:-12px;bottom:-15px;font-size:76px;font-weight:900;color:#f1f5ed;line-height:1}
.card-label{display:inline-flex;padding:5px 10px;border-radius:20px;background:#eef6d1;color:#617b14;font-size:11px;font-weight:800}
.focus-feature h3{font-size:25px;line-height:1.4;max-width:500px;margin:18px 0 13px;position:relative;z-index:1}
.focus-feature p{color:var(--ink-soft);max-width:520px;position:relative;z-index:1}
.feature-meta{display:flex;gap:18px;color:#8a958e;font-size:12px;margin-top:28px;position:relative;z-index:1}
.timeline-card{padding:13px 24px}
.timeline-item{display:grid;grid-template-columns:72px 1fr;gap:17px;padding:20px 0;border-bottom:1px solid var(--line)}
.timeline-item:last-child{border-bottom:0}
.timeline-date{font-size:12px;color:#7c8981;padding-top:3px}
.timeline-item h4{font-size:15px;line-height:1.5;margin-bottom:3px}
.timeline-item p{color:var(--ink-soft);font-size:12px}
.app-section{background:var(--night);color:#fff;padding:82px 0;overflow:hidden}
.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.app-section .section-kicker{color:var(--lime)}
.app-section h2{font-size:34px;line-height:1.3;letter-spacing:-1px;margin-bottom:16px}
.app-section .lead{color:#bdc9c1;max-width:540px}
.app-points{list-style:none;margin:25px 0 28px;display:grid;gap:12px}
.app-points li{display:flex;gap:10px;align-items:flex-start;color:#dce5df;font-size:14px}
.app-points li:before{content:"✓";color:var(--lime);font-weight:900}
.app-actions{display:flex;gap:12px;flex-wrap:wrap}
.app-device{min-height:370px;position:relative;display:flex;align-items:center;justify-content:center}
.phone{width:220px;height:405px;border:7px solid #39483f;border-radius:31px;background:#f5f8f1;padding:13px;box-shadow:0 25px 55px rgba(0,0,0,.3);transform:rotate(5deg);position:relative;z-index:2}
.phone-notch{width:70px;height:17px;background:#39483f;border-radius:0 0 12px 12px;margin:-13px auto 14px}
.phone-title{color:var(--ink);font-size:13px;font-weight:800;margin-bottom:13px}
.phone-tabs{display:flex;gap:5px;margin-bottom:13px}
.phone-tabs span{font-size:9px;color:#6a756d;border:1px solid #d9e1d6;padding:3px 6px;border-radius:10px}
.phone-tabs span:first-child{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.phone-match{background:#fff;border:1px solid #e0e6df;border-radius:10px;padding:10px;margin-bottom:8px;color:var(--ink)}
.phone-match b{font-size:10px;display:block;margin-bottom:7px}.phone-match small{color:#78847c;font-size:9px}
.qr{position:absolute;width:118px;height:118px;right:7%;bottom:28px;background:repeating-linear-gradient(45deg,#26332c 0 3px,#fff 3px 6px);border:9px solid white;box-shadow:var(--shadow);transform:rotate(-7deg)}
.app-note{position:absolute;right:0;top:45px;background:#2a3931;padding:15px 18px;border:1px solid #48584d;border-radius:12px;color:#cbd6ce;font-size:12px}
.news-section{background:#fff}
.news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.news-list{border-top:2px solid var(--ink)}
.news-item{display:grid;grid-template-columns:95px 1fr auto;gap:19px;align-items:start;padding:22px 0;border-bottom:1px solid var(--line);transition:.2s}
.news-item:hover{padding-left:8px;background:#fbfcfa}
.news-item time{font-size:12px;color:#89948d;padding-top:4px}
.news-item h3{font-size:16px;line-height:1.5;margin-bottom:5px}.news-item p{font-size:12px;color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:550px}
.news-item .text-link{padding-top:4px}
.news-side{background:#eef4e9;border-radius:var(--radius);padding:28px}
.news-side h3{font-size:19px;margin-bottom:12px}.news-side p{font-size:13px;color:var(--ink-soft);margin-bottom:23px}
.mini-stat{border-top:1px solid #d4dfd1;padding:14px 0;display:flex;justify-content:space-between;font-size:13px}.mini-stat b{font-size:20px}
.faq-section{padding-top:75px}
.faq-list{max-width:900px;margin:auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;background:none;text-align:left;padding:22px 4px;display:flex;justify-content:space-between;align-items:center;font-weight:750;color:var(--ink)}
.faq-question span{font-size:23px;color:var(--teal);font-weight:400;transition:.2s}
.faq-answer{max-height:0;overflow:hidden;color:var(--ink-soft);font-size:14px;transition:max-height .3s ease;padding:0 35px 0 4px}
.faq-item.open .faq-answer{max-height:120px;padding-bottom:20px}
.faq-item.open .faq-question span{transform:rotate(45deg)}
.cta{padding:25px 0 90px}
.cta-box{background:var(--lime);border-radius:var(--radius);padding:34px 42px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta-box h2{font-size:25px;line-height:1.35}.cta-box p{font-size:13px;color:#4d5b27;margin-top:5px}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap}.cta .btn-outline{border-color:#8ca226}
.footer{background:var(--night);color:#d9e2dc;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:42px;border-bottom:1px solid #3a4940}
.footer .brand-copy{color:#fff}.footer .brand-copy small{color:#9aa89f}
.footer-intro{color:#9eaba3;font-size:12px;max-width:270px;margin-top:18px}
.footer h4{color:#fff;font-size:14px;margin-bottom:15px}.footer-links{list-style:none;display:grid;gap:8px}.footer-links a{color:#9eaba3;font-size:13px}.footer-links a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#84928a;font-size:11px}
.empty-state{padding:35px;border:1px dashed #cbd7c8;border-radius:var(--radius);color:var(--ink-soft);text-align:center}
@media(max-width:1024px){
  .nav a{padding:8px 8px;font-size:13px}.brand{min-width:220px}
  .hero-grid,.app-grid{gap:35px}.quick-item{padding:22px 14px}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,var(--max))}
  .site-header{height:68px}.brand-copy{font-size:13px}.brand-copy small{font-size:9px}.brand-mark{width:34px;height:34px}
  .header-actions .btn{display:none}.menu-toggle{display:block}
  .nav{display:none;position:absolute;left:16px;right:16px;top:75px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .nav.open{display:flex}.nav a{padding:12px 14px}
  .hero{padding:64px 0 58px}.hero-grid,.focus-layout,.app-grid,.news-layout{grid-template-columns:1fr}
  .hero h1{font-size:35px;letter-spacing:-1px}.hero-lead{font-size:15px}.hero-visual{min-height:315px;margin-top:12px}
  .quick-grid{grid-template-columns:repeat(2,1fr)}.quick-item:nth-child(2){border-right:0}.quick-item:nth-child(3),.quick-item:nth-child(4){border-top:1px solid var(--line)}
  .section{padding:64px 0}.section-head{display:block}.section-head h2{font-size:27px;margin-bottom:10px}.section-head .text-link{display:inline-block;margin-top:14px}
  .app-section{padding:64px 0}.app-section h2{font-size:28px}.app-device{margin-top:15px}
  .cta{padding-bottom:64px}.cta-box{display:block;padding:28px 25px}.cta-actions{margin-top:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}
@media(max-width:520px){
  .announcement{font-size:11px}.hero h1{font-size:30px}.hero-actions,.app-actions,.cta-actions{display:grid;grid-template-columns:1fr;width:100%}
  .hero-actions .btn,.app-actions .btn,.cta-actions .btn{width:100%}.score-panel{width:305px}.orbit{width:300px;height:300px}
  .quick-item{padding:18px 11px;gap:9px}.quick-item strong{font-size:13px}.quick-item span{font-size:11px}
  .focus-feature{padding:23px}.focus-feature h3{font-size:21px}.timeline-card{padding:8px 17px}
  .news-item{grid-template-columns:1fr auto;gap:5px 12px}.news-item time{grid-column:1/-1}.news-item p{grid-column:1/-1}.news-item .text-link{grid-column:2;grid-row:2}
  .qr{right:0;width:92px;height:92px}.app-note{top:15px;right:0}.phone{transform:rotate(3deg) scale(.9)}
  .footer-grid{grid-template-columns:1fr 1fr}.footer h4{font-size:13px}
}

/* roulang page: article */
:root{
      --ink:#17211d;
      --deep:#101714;
      --panel:#18231e;
      --panel-2:#202d27;
      --paper:#f3f5ef;
      --muted:#78837d;
      --line:#dce2da;
      --line-dark:rgba(255,255,255,.13);
      --lime:#c7f35a;
      --lime-dark:#9ecb32;
      --amber:#e7b85c;
      --white:#fff;
      --teal:#4d9b8c;
      --radius:18px;
      --radius-sm:11px;
      --shadow:0 16px 40px rgba(20,34,26,.09);
      --shadow-soft:0 8px 24px rgba(20,34,26,.07);
      --ease:all .25s ease;
      --max:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{text-decoration:underline;text-underline-offset:4px}
    button{font:inherit;border:0;cursor:pointer}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .notice-bar{height:34px;background:#0b100e;color:#aebbb2;font-size:12px;display:flex;align-items:center}
    .notice-bar span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .site-header{position:sticky;top:0;z-index:20;background:var(--deep);color:#eaf0e8;border-bottom:1px solid var(--line-dark)}
    .navbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:260px}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--lime);color:var(--deep);display:grid;place-items:center;font-weight:900;font-size:18px}
    .brand-copy{font-weight:800;line-height:1.25;font-size:14px;letter-spacing:.01em}
    .brand-copy small{display:block;font-size:11px;color:#aebbb2;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:5px;list-style:none;margin:0;padding:0}
    .nav a{display:block;padding:9px 13px;border-radius:10px;color:#cbd5cd;font-size:14px;white-space:nowrap}
    .nav a:hover,.nav a.active{background:rgba(199,243,90,.12);color:var(--lime);text-decoration:none}
    .header-actions{display:flex;align-items:center;gap:9px}
    .header-actions .btn{min-height:38px;padding:7px 14px;font-size:13px}
    .menu-toggle{display:none;background:none;color:var(--lime);font-size:25px;padding:5px 9px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 21px;border-radius:10px;font-weight:800;transition:var(--ease);text-decoration:none!important}
    .btn-primary{background:var(--lime);color:var(--deep)}
    .btn-primary:hover{background:#d8ff83;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,90,.2)}
    .btn-secondary{border:1px solid rgba(255,255,255,.25);color:#f4f8f2}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--deep);border:1px solid var(--line)}
    .btn-light:hover{border-color:var(--lime-dark);transform:translateY(-2px);box-shadow:var(--shadow-soft)}
    .btn:focus-visible,.nav a:focus-visible,.menu-toggle:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
    .article-hero{background:var(--deep);color:var(--white);padding:54px 0 64px;position:relative;overflow:hidden}
    .article-hero:after{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(199,243,90,.15);border-radius:50%;right:-180px;top:-270px}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:9px;color:#9eada2;font-size:13px;margin:0 0 25px;position:relative;z-index:1}
    .breadcrumb a{color:var(--lime)}
    .breadcrumb .separator{color:#5f6f65}
    .article-heading{max-width:860px;position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
    .article-heading h1{font-size:clamp(30px,4vw,52px);line-height:1.3;letter-spacing:-.04em;margin:17px 0 18px}
    .article-summary{color:#b9c7bc;max-width:780px;font-size:17px;line-height:1.9;margin:0}
    .article-meta{display:flex;flex-wrap:wrap;gap:14px 22px;color:#9eada2;font-size:13px;margin-top:23px}
    .tag{display:inline-flex;color:#628026;background:#edf6d9;border-radius:5px;padding:2px 8px;font-weight:700}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 250px;gap:55px;align-items:start;padding:70px 0 88px}
    .article-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(25px,5vw,58px)}
    .article-content{font-size:16px;line-height:2;color:#39443d}
    .article-content h2{font-size:28px;line-height:1.4;color:var(--ink);margin:38px 0 15px;padding-left:15px;border-left:4px solid var(--lime)}
    .article-content h3{font-size:21px;line-height:1.5;color:var(--ink);margin:30px 0 12px}
    .article-content p{margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:24px;margin:0 0 22px}
    .article-content li{padding:3px 0}
    .article-content blockquote{margin:25px 0;padding:18px 22px;border-left:3px solid var(--teal);background:#eef5ef;color:#526159}
    .article-content img{border-radius:12px;margin:26px auto}
    .article-content table{width:100%;border-collapse:collapse;margin:25px 0;display:block;overflow-x:auto}
    .article-content th,.article-content td{padding:11px 14px;border:1px solid var(--line);white-space:nowrap;text-align:left}
    .article-content th{background:#edf3ea;color:var(--ink)}
    .empty-state{text-align:center;padding:55px 20px;color:var(--muted)}
    .empty-state h2{color:var(--ink);font-size:25px;margin:0 0 10px}
    .article-aside{position:sticky;top:105px}
    .aside-card{background:#e9eee6;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
    .aside-card h3{font-size:17px;margin:0 0 17px}
    .aside-list{list-style:none;padding:0;margin:0}
    .aside-list li{border-top:1px solid #d4ddd2;padding:11px 0}
    .aside-list a{font-size:13px;color:#617064}
    .aside-list a:hover{color:#6c9224}
    .related{padding:0 0 88px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:25px}
    .section-kicker{color:#628026;font-size:12px;font-weight:800;letter-spacing:.05em}
    .section-title{font-size:clamp(25px,3vw,36px);line-height:1.3;margin:7px 0 0;letter-spacing:-.03em}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .related-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:22px;transition:var(--ease)}
    .related-card:hover{transform:translateY(-3px);border-color:#b8d56e;box-shadow:var(--shadow-soft)}
    .related-card h3{font-size:17px;line-height:1.55;margin:12px 0 7px}
    .related-card p{color:var(--muted);font-size:13px;margin:0}
    .meta{display:flex;align-items:center;gap:10px;color:#7d8980;font-size:12px}
    .cta{background:var(--lime);padding:44px 0}
    .cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:29px;line-height:1.4;margin:0}
    .cta p{color:#4e641f;margin:6px 0 0}
    .cta .btn{background:var(--deep);color:#fff}
    .footer{background:var(--deep);color:#b3c0b5;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:40px;border-bottom:1px solid var(--line-dark)}
    .footer .brand{color:#fff}
    .footer-intro{color:#87978b;font-size:13px;margin:12px 0 0;max-width:290px}
    .footer h4{color:#fff;font-size:14px;margin:0 0 14px}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links a{display:block;color:#9dac9f;font-size:13px;margin:8px 0}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#78877c;font-size:12px}
    @media(max-width:1024px){
      .nav{gap:0}.nav a{padding:8px 9px;font-size:13px}.brand{min-width:230px}
      .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:30px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,var(--max))}
      .navbar{min-height:68px}.header-actions{display:none}.menu-toggle{display:block}
      .nav{display:none;position:absolute;left:15px;right:15px;top:68px;background:var(--panel);padding:12px;border:1px solid var(--line-dark);border-radius:0 0 15px 15px;box-shadow:0 18px 30px rgba(0,0,0,.25)}
      .nav.open{display:block}.nav a{padding:12px 14px}.brand{min-width:0}.brand-copy{font-size:13px}.brand-copy small{font-size:10px}
      .article-hero{padding:38px 0 48px}.article-layout{display:block;padding:45px 0 60px}.article-aside{position:static;margin-top:24px}
      .aside-card{padding:20px}.related{padding-bottom:60px}.related-grid{grid-template-columns:1fr}
      .cta-wrap{display:block}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
      .notice-bar{height:32px}.article-heading h1{font-size:30px}.article-summary{font-size:15px}
      .article-card{padding:23px 18px}.article-content{font-size:15px;line-height:1.9}.article-content h2{font-size:24px}
      .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
    }

/* roulang page: category1 */
:root{
      --ink:#17211d;--deep:#101714;--panel:#18231e;--panel-2:#202d27;
      --paper:#f3f5ef;--muted:#78837d;--line:#dce2da;--line-dark:rgba(255,255,255,.13);
      --lime:#c7f35a;--lime-dark:#9ecb32;--amber:#e7b85c;--white:#fff;
      --radius:18px;--radius-sm:11px;--shadow:0 16px 40px rgba(20,34,26,.09);
      --shadow-soft:0 8px 24px rgba(20,34,26,.07);--max:1180px;--ease:all .25s ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{text-decoration:underline;text-underline-offset:4px}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .notice{height:34px;background:#dce9bb;color:#42551d;font-size:12px;display:flex;align-items:center}
    .notice .container{display:flex;justify-content:space-between;gap:18px;white-space:nowrap;overflow:hidden}
    .notice span:last-child{color:#64734a}
    .site-header{position:sticky;top:0;z-index:20;background:var(--deep);color:#eaf0e8;border-bottom:1px solid var(--line-dark)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:flex;align-items:center;gap:12px;min-width:260px}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--lime);color:var(--deep);display:grid;place-items:center;font-weight:900;font-size:18px}
    .brand-copy{font-weight:800;line-height:1.25;font-size:14px}
    .brand-copy small{display:block;color:#aebbb2;font-size:11px;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:5px;list-style:none;margin:0;padding:0}
    .nav a{display:block;padding:9px 13px;border-radius:10px;color:#cbd5cd;font-size:14px;white-space:nowrap}
    .nav a:hover,.nav a.active{background:rgba(199,243,90,.12);color:var(--lime);text-decoration:none}
    .header-action{display:inline-flex;align-items:center;padding:10px 16px;border-radius:10px;background:var(--lime);color:var(--deep);font-size:13px;font-weight:800;white-space:nowrap}
    .header-action:hover{background:#d8ff83;text-decoration:none;transform:translateY(-1px)}
    .menu-toggle{display:none;background:none;color:var(--lime);font-size:25px;padding:8px}
    .page-hero{background:var(--deep);color:var(--white);padding:64px 0 70px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(199,243,90,.16);border-radius:50%;right:-160px;top:-240px}
    .hero-inner{position:relative;z-index:1;max-width:820px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.06em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
    h1{font-size:clamp(32px,5vw,56px);line-height:1.22;letter-spacing:-.04em;margin:18px 0 19px}
    .hero-copy{max-width:720px;color:#b9c7bc;font-size:17px;line-height:1.9;margin:0}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:#8d9c91;font-size:13px;margin-bottom:25px}
    .breadcrumb a:hover{color:var(--lime)}
    .breadcrumb span{color:#536158}
    .section{padding:82px 0}
    .section.alt{background:#e9eee6}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-kicker{color:#628026;letter-spacing:.04em}
    .section-title{font-size:clamp(25px,3vw,38px);line-height:1.3;margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{color:var(--muted);max-width:540px;margin:0}
    .guide-layout{display:grid;grid-template-columns:1fr .78fr;gap:26px;align-items:start}
    .steps{position:relative;padding-left:43px}
    .steps:before{content:"";position:absolute;left:14px;top:14px;bottom:14px;width:2px;background:#cbd8bd}
    .step{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 24px;margin-bottom:16px;box-shadow:var(--shadow-soft)}
    .step:last-child{margin-bottom:0}
    .step-no{position:absolute;left:-43px;top:22px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--deep);font-weight:900;border:4px solid var(--paper)}
    .step h3{font-size:19px;margin:0 0 5px}
    .step p{color:var(--muted);margin:0}
    .notice-panel{background:var(--panel);color:#f3f7f1;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
    .notice-panel h3{font-size:23px;margin:0 0 13px}
    .notice-panel p{color:#b9c7bc;margin:0 0 22px}
    .check-list{list-style:none;margin:0;padding:0}
    .check-list li{display:flex;gap:11px;padding:12px 0;border-bottom:1px solid var(--line-dark);color:#dce7dd}
    .check-list li:last-child{border-bottom:0}
    .check-list li:before{content:"✓";color:var(--lime);font-weight:900}
    .entry-strip{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
    .entry-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:27px;min-height:190px;box-shadow:var(--shadow-soft);display:flex;flex-direction:column;justify-content:space-between}
    .entry-card.primary{background:var(--panel);color:var(--white);border-color:var(--panel)}
    .entry-card h3{font-size:22px;margin:0 0 6px}
    .entry-card p{color:var(--muted);font-size:14px;margin:0}
    .entry-card.primary p{color:#b8c5ba}
    .entry-link{color:#688b24;font-size:13px;font-weight:800;margin-top:18px}
    .entry-card.primary .entry-link{color:var(--lime)}
    .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;transition:var(--ease)}
    .info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c4d69c}
    .info-icon{width:38px;height:38px;border-radius:10px;background:#edf6d9;color:#628026;display:grid;place-items:center;font-weight:900;margin-bottom:18px}
    .info-card h3{font-size:18px;margin:0 0 7px}
    .info-card p{color:var(--muted);font-size:14px;margin:0}
    .download{background:var(--panel);color:var(--white);border-radius:var(--radius);padding:38px 42px;display:grid;grid-template-columns:1fr auto;gap:35px;align-items:center}
    .download h2{font-size:30px;line-height:1.35;margin:0 0 10px}
    .download p{color:#b9c7bc;max-width:650px;margin:0 0 20px}
    .device-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .device-tags span{border:1px solid var(--line-dark);border-radius:20px;padding:4px 11px;color:#b9c7bc;font-size:12px}
    .download-mark{width:126px;height:126px;border:8px solid #f2f6ed;border-radius:14px;background:repeating-linear-gradient(45deg,#1a2820 0 5px,#c7f35a 5px 9px);box-shadow:0 0 0 8px rgba(199,243,90,.15)}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 21px;border-radius:10px;font-weight:800;transition:var(--ease);text-decoration:none!important}
    .btn-primary{background:var(--lime);color:var(--deep)}
    .btn-primary:hover{background:#d8ff83;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,90,.18)}
    .btn-secondary{border:1px solid rgba(255,255,255,.25);color:#f4f8f2}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .faq{max-width:850px;margin:auto}
    .faq details{background:var(--white);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:0 21px}
    .faq details[open]{border-color:#bbd37b;box-shadow:var(--shadow-soft)}
    .faq summary{cursor:pointer;list-style:none;font-weight:800;padding:19px 0;display:flex;justify-content:space-between;gap:20px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"＋";color:#72932b;font-size:20px;line-height:1}
    .faq details[open] summary:after{content:"−"}
    .faq p{color:var(--muted);border-top:1px solid var(--line);padding:15px 0 19px;margin:0;font-size:14px}
    .cta{background:var(--lime);padding:45px 0}
    .cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:30px;line-height:1.4;margin:0}
    .cta p{color:#4e641f;margin:6px 0 0}
    .cta .btn{background:var(--deep);color:white}
    .footer{background:var(--deep);color:#b3c0b5;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:40px;border-bottom:1px solid var(--line-dark)}
    .footer-intro{color:#87978b;font-size:13px;max-width:280px;margin-top:14px}
    .footer h4{color:white;font-size:14px;margin:0 0 14px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:8px 0}
    .footer-links a{color:#9dac9f;font-size:13px}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:21px;color:#748379;font-size:12px}
    .footer .brand{color:white}
    @media(max-width:1024px){.nav{gap:0}.nav a{padding:8px 9px;font-size:13px}.header-action{display:none}.guide-layout{grid-template-columns:1fr}.notice-panel{max-width:700px}.entry-strip{grid-template-columns:1fr 1fr}.entry-card.primary{grid-column:span 2}}
    @media(max-width:768px){.container{width:min(100% - 30px,var(--max))}.navbar{height:68px}.brand{min-width:0}.brand-copy{font-size:13px}.brand-copy small{font-size:10px}.menu-toggle{display:block}.nav{display:none;position:absolute;left:15px;right:15px;top:69px;background:var(--panel);padding:12px;border:1px solid var(--line-dark);border-radius:0 0 14px 14px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{padding:12px 14px}.page-hero{padding:48px 0 56px}.section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:12px}.info-grid{grid-template-columns:1fr 1fr}.download{grid-template-columns:1fr;padding:30px}.download-mark{margin:auto}.cta-wrap{display:block}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
    @media(max-width:520px){.notice span:last-child{display:none}.brand-copy small{white-space:nowrap}.hero-copy{font-size:15px}.breadcrumb{flex-wrap:wrap}.entry-strip,.info-grid{grid-template-columns:1fr}.entry-card.primary{grid-column:auto}.steps{padding-left:34px}.step-no{left:-34px}.step{padding:19px}.download h2{font-size:25px}.download{padding:25px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}
    :focus-visible{outline:3px solid var(--amber);outline-offset:3px}

/* roulang page: category2 */
:root{
      --ink:#17211d;
      --deep:#101714;
      --panel:#18231e;
      --panel-2:#202d27;
      --paper:#f3f5ef;
      --muted:#78837d;
      --line:#dce2da;
      --line-dark:rgba(255,255,255,.13);
      --lime:#c7f35a;
      --lime-dark:#9ecb32;
      --amber:#e7b85c;
      --white:#fff;
      --teal:#4d9b8c;
      --radius:18px;
      --radius-sm:11px;
      --shadow:0 16px 40px rgba(20,34,26,.09);
      --shadow-soft:0 8px 24px rgba(20,34,26,.07);
      --ease:all .25s ease;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{text-decoration:underline;text-underline-offset:4px}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .notice{height:34px;background:#0b100e;color:#aebbb2;font-size:12px;display:flex;align-items:center;overflow:hidden}
    .notice span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .notice strong{color:var(--lime);margin-right:10px}
    .site-header{background:var(--deep);color:#eaf0e8;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-dark)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:260px}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--lime);color:var(--deep);display:grid;place-items:center;font-weight:900;font-size:18px;flex:none}
    .brand-copy{font-weight:800;line-height:1.25;font-size:14px;letter-spacing:.01em}
    .brand-copy small{display:block;font-size:11px;color:#aebbb2;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:5px;list-style:none;margin:0;padding:0}
    .nav a{display:block;padding:9px 13px;border-radius:10px;color:#cbd5cd;font-size:14px;white-space:nowrap}
    .nav a:hover,.nav a.active{background:rgba(199,243,90,.12);color:var(--lime);text-decoration:none}
    .header-action{display:inline-flex;align-items:center;padding:10px 16px;border-radius:9px;background:var(--lime);color:var(--deep);font-weight:800;font-size:13px;white-space:nowrap}
    .header-action:hover{background:#dcff87;text-decoration:none;transform:translateY(-1px)}
    .menu-toggle{display:none;background:none;color:var(--lime);font-size:25px;padding:8px}
    .hero{background:var(--deep);color:var(--white);padding:70px 0 76px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 0 48%,rgba(199,243,90,.05) 48.2%,transparent 48.5%),linear-gradient(25deg,transparent 0 72%,rgba(77,155,140,.08) 72.2%,transparent 72.5%)}
    .hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(199,243,90,.16);border-radius:50%;right:-170px;top:-230px}
    .hero-inner{position:relative;z-index:1;max-width:900px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    .hero h1{font-size:clamp(32px,5vw,58px);line-height:1.2;letter-spacing:-.04em;margin:19px 0 20px;max-width:800px}
    .hero-copy{color:#b9c7bc;max-width:720px;font-size:17px;line-height:1.9;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 21px;border-radius:10px;font-weight:800;transition:var(--ease);text-decoration:none!important}
    .btn-primary{background:var(--lime);color:var(--deep)}
    .btn-primary:hover{background:#d8ff83;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,90,.18)}
    .btn-secondary{border:1px solid rgba(255,255,255,.25);color:#f4f8f2}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .btn-dark{background:var(--deep);color:var(--white)}
    .btn-dark:hover{background:#29362f;color:var(--lime);transform:translateY(-2px)}
    .btn:focus-visible,.nav a:focus-visible,.menu-toggle:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
    .breadcrumb{padding:22px 0 0;color:var(--muted);font-size:13px}
    .breadcrumb a{color:#628026}
    .section{padding:78px 0}
    .section.alt{background:#e9eee6}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-kicker{color:#628026;letter-spacing:.04em}
    .section-title{font-size:clamp(25px,3vw,38px);line-height:1.3;margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{color:var(--muted);max-width:540px;margin:0}
    .intro-band{display:grid;grid-template-columns:1fr 1.25fr;gap:55px;align-items:start}
    .intro-band h2{font-size:31px;line-height:1.4;margin:8px 0 0}
    .intro-band p{color:var(--muted);margin:0}
    .info-strip{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
    .tag{display:inline-flex;color:#628026;background:#edf6d9;border-radius:5px;padding:3px 9px;font-weight:700;font-size:12px}
    .tag.dark{color:var(--lime);background:rgba(199,243,90,.12)}
    .timeline{position:relative;margin:0 0 0 20px;padding-left:26px;border-left:1px solid #bfcbbd}
    .timeline-item{position:relative;padding:22px 24px;background:var(--white);border:1px solid var(--line);border-radius:14px;margin-bottom:16px;box-shadow:var(--shadow-soft)}
    .timeline-item:before{content:"";position:absolute;left:-35px;top:27px;width:14px;height:14px;border-radius:50%;background:var(--lime);border:4px solid var(--paper)}
    .timeline-item:last-child{margin-bottom:0}
    .meta{display:flex;gap:12px;align-items:center;color:#7d8980;font-size:12px;margin-bottom:7px}
    .timeline-item h3{font-size:18px;margin:0 0 4px}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .timeline-item a{color:#658b20;font-weight:700;font-size:13px;display:inline-block;margin-top:8px}
    .filter-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:25px}
    .filter-bar button{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:8px 15px;color:var(--muted);transition:var(--ease)}
    .filter-bar button:hover,.filter-bar button.active{background:var(--deep);border-color:var(--deep);color:var(--lime)}
    .filter-bar button:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
    .feature-news{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
    .feature-card{min-height:275px;background:var(--panel);border-radius:var(--radius);padding:32px;color:var(--white);display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--shadow)}
    .feature-card h3{font-size:27px;line-height:1.4;max-width:540px;margin:18px 0 8px}
    .feature-card p{color:#b7c5ba;margin:0;max-width:540px}
    .feature-card .card-link{color:var(--lime);font-weight:800;margin-top:20px}
    .news-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:8px 25px}
    .news-item{display:grid;grid-template-columns:88px 1fr auto;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-item h3{font-size:16px;margin:0 0 3px}
    .news-item p{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0}
    .news-item .arrow{color:#6b8c29;font-size:18px}
    .download{background:var(--deep);color:var(--white);padding:72px 0}
    .download-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}
    .download h2{font-size:36px;line-height:1.35;margin:10px 0 14px}
    .download p{color:#b7c5ba;max-width:550px}
    .device-panel{display:flex;justify-content:center;gap:18px;align-items:end}
    .phone{width:178px;height:310px;border:7px solid #303d35;border-radius:28px;background:#f2f6ed;padding:13px 10px;color:var(--ink);box-shadow:0 20px 35px rgba(0,0,0,.25);position:relative}
    .phone:before{content:"";display:block;width:52px;height:5px;border-radius:8px;background:#34423a;margin:0 auto 18px}
    .phone-title{font-weight:900;font-size:13px;margin-bottom:13px}
    .phone-row{padding:11px 8px;border-top:1px solid #d8e1d5;font-size:11px}
    .phone-row strong{display:block;font-size:12px}
    .download-box{border:1px solid var(--line-dark);border-radius:var(--radius);padding:26px;background:var(--panel-2)}
    .download-box h3{font-size:20px;margin:0 0 8px}
    .download-box p{font-size:13px;margin:0 0 18px}
    .device-tags{display:flex;gap:8px;flex-wrap:wrap;margin:17px 0}
    .device-tags span{border:1px solid var(--line-dark);border-radius:6px;padding:5px 9px;color:#d5dfd5;font-size:12px}
    .qr{width:82px;height:82px;background:repeating-linear-gradient(45deg,#eef4e9 0 4px,#34443a 4px 8px);border:7px solid #eef4e9;border-radius:4px;margin-top:18px}
    .faq{max-width:850px;margin:auto}
    .faq details{background:var(--white);border:1px solid var(--line);border-radius:12px;margin:10px 0;transition:var(--ease)}
    .faq details[open]{border-color:#bfd67c;box-shadow:var(--shadow-soft)}
    .faq summary{list-style:none;cursor:pointer;padding:19px 22px;font-weight:800;position:relative;padding-right:50px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";position:absolute;right:22px;color:#6b8c29;font-size:22px;line-height:1}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);padding:0 22px 20px;margin:0;line-height:1.8}
    .cta{background:var(--lime);padding:45px 0}
    .cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:30px;line-height:1.4;margin:0}
    .cta p{color:#4e641f;margin:6px 0 0}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
    .footer{background:var(--deep);color:#b3c0b5;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:40px;border-bottom:1px solid var(--line-dark)}
    .footer .brand{color:var(--white);min-width:0}
    .footer-intro{color:#87978b;font-size:13px;margin:15px 0 0;max-width:290px}
    .footer h4{color:var(--white);font-size:14px;margin:0 0 14px}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links a{display:block;color:#9dac9f;font-size:13px;margin:8px 0}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#718076;font-size:12px}
    @media (max-width:1024px){
      .navbar{gap:14px}.brand{min-width:220px}.nav{gap:0}.nav a{padding:8px 9px;font-size:13px}
      .header-action{display:none}.feature-news,.download-grid,.intro-band{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 30px,var(--max))}
      .navbar{height:68px}.menu-toggle{display:block}
      .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--deep);padding:14px 20px 22px;flex-direction:column;align-items:stretch;border-top:1px solid var(--line-dark);box-shadow:0 18px 30px rgba(0,0,0,.2)}
      .nav.open{display:flex}.nav a{padding:13px 12px}
      .brand{min-width:0}.brand-copy{font-size:13px}.brand-copy small{font-size:10px}
      .hero{padding:55px 0 62px}.hero h1{font-size:36px}.hero-copy{font-size:15px}
      .section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .intro-band h2{font-size:27px}.news-item{grid-template-columns:1fr auto;gap:5px 12px}.news-item .meta{grid-column:1/-1}
      .download{padding:58px 0}.download h2{font-size:29px}.device-panel{justify-content:flex-start}
      .cta-wrap{display:block}.cta-actions{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px 18px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media (max-width:520px){
      .notice{height:32px}.hero h1{font-size:30px}.hero-actions .btn{width:100%}
      .feature-card{padding:24px;min-height:260px}.feature-card h3{font-size:23px}
      .timeline{margin-left:12px;padding-left:20px}.timeline-item{padding:18px}.timeline-item:before{left:-29px}
      .news-list{padding:5px 17px}.device-panel{gap:10px}.phone{width:145px;height:260px}.download-box{padding:20px}
      .footer-grid{grid-template-columns:1fr}.footer{padding-top:42px}
    }

/* roulang page: category3 */
:root{
      --ink:#17211d;
      --deep:#101714;
      --panel:#18231e;
      --panel-2:#202d27;
      --paper:#f3f5ef;
      --muted:#78837d;
      --line:#dce2da;
      --line-dark:rgba(255,255,255,.13);
      --lime:#c7f35a;
      --lime-dark:#9ecb32;
      --amber:#e7b85c;
      --white:#fff;
      --teal:#4d9b8c;
      --radius:18px;
      --radius-sm:11px;
      --shadow:0 16px 40px rgba(20,34,26,.09);
      --shadow-soft:0 8px 24px rgba(20,34,26,.07);
      --ease:all .25s ease;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{text-decoration:underline;text-underline-offset:4px}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .notice{height:34px;background:#202d27;color:#cbd7cc;font-size:12px;display:flex;align-items:center;overflow:hidden}
    .notice .container{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .notice strong{color:var(--lime);margin-right:10px}
    .site-header{background:var(--deep);color:#eaf0e8;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-dark)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:260px}
    .brand:hover{text-decoration:none}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--lime);color:var(--deep);display:grid;place-items:center;font-weight:900;font-size:18px}
    .brand-copy{font-weight:800;line-height:1.25;font-size:14px;letter-spacing:.01em}
    .brand-copy small{display:block;font-size:11px;color:#aebbb2;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:5px;list-style:none}
    .nav a{display:block;padding:9px 13px;border-radius:10px;color:#cbd5cd;font-size:14px;white-space:nowrap}
    .nav a:hover,.nav a.active{background:rgba(199,243,90,.12);color:var(--lime);text-decoration:none}
    .header-action{display:flex;align-items:center;gap:10px}
    .header-action .btn{min-height:40px;padding:7px 15px;font-size:13px}
    .menu-toggle{display:none;background:none;color:var(--lime);font-size:25px;padding:8px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 21px;border-radius:10px;font-weight:800;transition:var(--ease);text-decoration:none!important}
    .btn-primary{background:var(--lime);color:var(--deep)}
    .btn-primary:hover{background:#d8ff83;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,90,.18)}
    .btn-secondary{border:1px solid rgba(255,255,255,.25);color:#f4f8f2}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .btn-dark{background:var(--deep);color:#fff}
    .btn-dark:hover{background:#293a31;color:var(--lime);transform:translateY(-2px)}
    .btn:focus-visible,.nav a:focus-visible,.menu-toggle:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
    .page-hero{background:var(--deep);color:#fff;padding:72px 0 78px;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;right:-90px;bottom:-220px;width:520px;height:520px;border:1px solid rgba(199,243,90,.17);border-radius:50%;box-shadow:0 0 0 55px rgba(199,243,90,.025),0 0 0 110px rgba(199,243,90,.02)}
    .hero-inner{position:relative;z-index:1;max-width:850px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--lime)}
    .page-hero h1{font-size:clamp(32px,5vw,58px);line-height:1.22;letter-spacing:-.04em;margin:18px 0 18px}
    .page-hero p{max-width:760px;color:#b9c7bc;font-size:17px;margin:0}
    .crumbs{margin-top:25px;color:#8f9d93;font-size:13px}
    .crumbs a{color:#c7f35a}
    .section{padding:82px 0}
    .section.alt{background:#e9eee6}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-kicker{color:#628026;letter-spacing:.04em}
    .section-kicker:before{background:#628026}
    .section-title{font-size:clamp(25px,3vw,38px);line-height:1.3;margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{color:var(--muted);max-width:520px;margin:0}
    .download-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:35px;align-items:stretch}
    .phone-stage{background:var(--panel);border-radius:var(--radius);min-height:455px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
    .phone-stage:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(199,243,90,.16);border-radius:50%}
    .phone{width:218px;height:390px;background:#f7faf4;border:8px solid #29372f;border-radius:31px;position:relative;z-index:1;box-shadow:0 24px 50px rgba(0,0,0,.3);overflow:hidden}
    .phone-top{height:34px;background:var(--lime);display:flex;align-items:center;justify-content:center;color:var(--deep);font-weight:900;font-size:12px}
    .phone-body{padding:16px 14px}
    .phone-label{font-size:11px;color:#738078;margin-bottom:8px}
    .phone-score{background:#e8f2db;border-radius:10px;padding:12px;margin-bottom:12px}
    .phone-score strong{display:block;font-size:16px}
    .phone-score span{font-size:11px;color:#6d7b72}
    .phone-row{display:flex;justify-content:space-between;border-bottom:1px solid #e1e7df;padding:11px 0;font-size:11px}
    .phone-row b{color:#4e6d2d}
    .download-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px;box-shadow:var(--shadow)}
    .download-card h2{font-size:29px;line-height:1.35;margin:14px 0 10px}
    .download-card>p{color:var(--muted);margin-bottom:25px}
    .device-tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 27px}
    .device-tag,.tag{color:#628026;background:#edf6d9;border-radius:7px;padding:5px 10px;font-size:12px;font-weight:700}
    .download-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px;border-top:1px solid var(--line);padding-top:20px;margin-top:25px}
    .download-meta span{display:block;color:var(--muted);font-size:12px}
    .download-meta strong{font-size:14px}
    .notice-box{margin-top:24px;padding:15px 17px;border-left:3px solid var(--amber);background:#fff9e9;color:#6c603d;font-size:13px;border-radius:0 9px 9px 0}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow-soft);position:relative}
    .step-number{width:36px;height:36px;background:var(--lime);border-radius:10px;display:grid;place-items:center;font-weight:900;margin-bottom:23px}
    .step h3{font-size:19px;margin:0 0 8px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .compat-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
    .compat-panel{background:var(--panel);color:#fff;border-radius:var(--radius);padding:34px}
    .compat-panel h2{font-size:27px;line-height:1.4;margin:0 0 14px}
    .compat-panel p{color:#b9c7bc}
    .compat-list{list-style:none;padding:0;margin:25px 0 0}
    .compat-list li{padding:14px 0;border-bottom:1px solid var(--line-dark);display:flex;justify-content:space-between;gap:15px;color:#dbe6dc}
    .compat-list li:last-child{border-bottom:0}
    .compat-list b{color:var(--lime);font-size:13px}
    .tips-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}
    .tips-panel h3{font-size:21px;margin:0 0 18px}
    .tip{display:flex;gap:13px;margin:17px 0}
    .tip-mark{flex:0 0 24px;height:24px;border-radius:50%;background:#edf6d9;color:#628026;text-align:center;font-weight:900;font-size:13px}
    .tip p{margin:0;color:var(--muted);font-size:14px}
    .faq{max-width:870px;margin:0 auto}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin:11px 0;padding:0 20px;transition:var(--ease)}
    .faq details[open]{border-color:#bedb72;box-shadow:var(--shadow-soft)}
    .faq summary{padding:18px 0;font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:15px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"＋";color:#72932d;font-size:20px}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);font-size:14px;margin:0 0 19px;padding-right:28px}
    .cta{background:var(--lime);padding:48px 0}
    .cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:30px;line-height:1.4;margin:0}
    .cta p{color:#4e641f;margin:6px 0 0}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
    .footer{background:var(--deep);color:#b3c0b5;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:40px;border-bottom:1px solid var(--line-dark)}
    .footer .brand{color:#fff}
    .footer-intro{color:#87978b;font-size:13px;margin-top:12px;max-width:300px}
    .footer h4{color:#fff;font-size:14px;margin:0 0 14px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:8px 0}
    .footer-links a{color:#9dac9f;font-size:13px}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#819087;font-size:12px}
    @media(max-width:1024px){
      .nav{gap:0}
      .nav a{padding:8px 9px;font-size:13px}
      .header-action{display:none}
      .download-layout,.compat-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,var(--max))}
      .navbar{height:66px}
      .brand{min-width:0}
      .brand-copy{font-size:13px}
      .brand-copy small{font-size:10px}
      .nav{display:none;position:absolute;left:15px;right:15px;top:72px;background:var(--panel);padding:12px;border:1px solid var(--line-dark);border-radius:14px;box-shadow:0 16px 35px rgba(0,0,0,.28);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}
      .nav a{padding:13px 14px}
      .menu-toggle{display:block}
      .page-hero{padding:54px 0 60px}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-intro{margin-top:12px}
      .download-layout,.compat-grid{grid-template-columns:1fr}
      .phone-stage{min-height:410px}
      .steps{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
      .cta-wrap{display:block}
      .cta-actions{margin-top:22px}
    }
    @media(max-width:520px){
      .brand-copy small{max-width:170px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .page-hero h1{font-size:32px}
      .download-card,.compat-panel,.tips-panel{padding:25px}
      .download-meta{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .cta h2{font-size:25px}
      .cta-actions .btn{width:100%}
    }

/* roulang page: category4 */
:root{
      --ink:#17211d;
      --deep:#101714;
      --panel:#18231e;
      --panel-2:#202d27;
      --paper:#f3f5ef;
      --muted:#78837d;
      --line:#dce2da;
      --line-dark:rgba(255,255,255,.13);
      --lime:#c7f35a;
      --lime-dark:#9ecb32;
      --amber:#e7b85c;
      --white:#fff;
      --teal:#4d9b8c;
      --radius:18px;
      --radius-sm:11px;
      --shadow:0 16px 40px rgba(20,34,26,.09);
      --shadow-soft:0 8px 24px rgba(20,34,26,.07);
      --ease:all .25s ease;
      --max:1180px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{text-decoration:underline;text-underline-offset:4px}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{background:var(--deep);color:#eaf0e8;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-dark)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:260px}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--lime);color:var(--deep);display:grid;place-items:center;font-weight:900;font-size:18px}
    .brand-copy{font-weight:800;line-height:1.25;font-size:14px;letter-spacing:.01em}
    .brand-copy small{display:block;font-size:11px;color:#aebbb2;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:5px}
    .nav a{display:block;padding:9px 13px;border-radius:10px;color:#cbd5cd;font-size:14px;white-space:nowrap}
    .nav a:hover,.nav a.active{background:rgba(199,243,90,.12);color:var(--lime);text-decoration:none}
    .header-actions{display:flex;align-items:center;gap:10px}
    .header-actions .btn{min-height:40px;padding:8px 14px;font-size:13px}
    .menu-toggle{display:none;background:none;color:var(--lime);font-size:25px;padding:6px 9px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 21px;border-radius:10px;font-weight:800;transition:var(--ease);text-decoration:none!important}
    .btn-primary{background:var(--lime);color:var(--deep)}
    .btn-primary:hover{background:#d8ff83;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,90,.18)}
    .btn-secondary{border:1px solid rgba(255,255,255,.25);color:#f4f8f2}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .btn-dark{background:var(--deep);color:var(--white)}
    .btn-dark:hover{background:#29372f;transform:translateY(-2px)}
    .btn:focus-visible,.nav a:focus-visible,.menu-toggle:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
    .crumb-bar{background:#e9eee6;border-bottom:1px solid var(--line)}
    .breadcrumb{margin:0;padding:15px 0;color:var(--muted);font-size:13px}
    .breadcrumb a{color:#628026;font-weight:700}
    .hero-inner{background:var(--deep);color:var(--white);padding:74px 0 78px;position:relative;overflow:hidden}
    .hero-inner:before{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(199,243,90,.13);border-radius:50%;right:-230px;top:-360px}
    .hero-inner:after{content:"";position:absolute;width:360px;height:1px;background:rgba(199,243,90,.32);right:10%;bottom:35px;transform:rotate(-18deg)}
    .hero-content{position:relative;z-index:1;max-width:790px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
    .hero-inner h1{font-size:clamp(30px,4.5vw,54px);line-height:1.22;letter-spacing:-.04em;margin:18px 0 20px}
    .hero-copy{color:#b9c7bc;max-width:720px;font-size:17px;line-height:1.9;margin:0}
    .hero-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .section{padding:82px 0}
    .section.alt{background:#e9eee6}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-kicker{color:#628026;letter-spacing:.04em}
    .section-title{font-size:clamp(25px,3vw,38px);line-height:1.3;margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{color:var(--muted);max-width:560px;margin:0}
    .notice{display:flex;align-items:flex-start;gap:16px;background:var(--white);border:1px solid var(--line);border-left:4px solid var(--lime-dark);padding:20px 24px;border-radius:var(--radius-sm);box-shadow:var(--shadow-soft)}
    .notice-icon{width:34px;height:34px;border-radius:50%;background:#edf6d9;color:#628026;display:grid;place-items:center;font-weight:900;flex:none}
    .notice strong{display:block;margin-bottom:3px}
    .notice p{color:var(--muted);margin:0;font-size:14px}
    .help-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:28px;align-items:start}
    .help-menu{background:var(--panel);color:var(--white);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}
    .help-menu h3{font-size:21px;margin:0 0 18px}
    .help-menu p{color:#adbbb0;font-size:14px;margin:0 0 20px}
    .help-menu a{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--line-dark);color:#d7e0d8}
    .help-menu a:last-child{border-bottom:0}
    .help-menu a:hover{color:var(--lime);text-decoration:none;padding-left:5px}
    .help-menu span{color:var(--lime);font-size:18px}
    .faq-group{display:grid;gap:12px}
    details{background:var(--white);border:1px solid var(--line);border-radius:14px;transition:var(--ease)}
    details:hover{border-color:#b8cb9c;box-shadow:var(--shadow-soft)}
    summary{list-style:none;cursor:pointer;padding:19px 22px;font-weight:800;position:relative;padding-right:52px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:21px;top:16px;color:#6a8a2d;font-size:24px;font-weight:400}
    details[open] summary{color:#658b20}
    details[open] summary:after{content:"−"}
    .answer{color:var(--muted);font-size:14px;padding:0 22px 20px;border-top:1px solid #edf0eb}
    .answer p{margin:14px 0 0}
    .answer ul{margin:12px 0 0;padding-left:20px}
    .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow-soft);transition:var(--ease)}
    .info-card:hover{transform:translateY(-4px);border-color:#bdd184;box-shadow:var(--shadow)}
    .info-number{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:9px;background:#edf6d9;color:#628026;font-weight:900;margin-bottom:19px}
    .info-card h3{font-size:19px;margin:0 0 8px}
    .info-card p{color:var(--muted);font-size:14px;margin:0}
    .device-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;background:var(--panel);color:var(--white);border-radius:var(--radius);padding:42px 48px;overflow:hidden}
    .device-panel h2{font-size:30px;line-height:1.35;margin:8px 0 13px}
    .device-panel p{color:#b9c7bc;margin:0;max-width:550px}
    .device-tags{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
    .device-tag{font-size:12px;color:#d7e0d8;border:1px solid var(--line-dark);padding:5px 10px;border-radius:20px}
    .device-visual{min-height:230px;display:flex;justify-content:center;align-items:center;position:relative}
    .phone{width:150px;height:270px;border:7px solid #39483f;border-radius:27px;background:#f3f5ef;padding:19px 11px;box-shadow:0 18px 35px rgba(0,0,0,.24);transform:rotate(5deg)}
    .phone-top{height:8px;width:45px;border-radius:10px;background:#aeb9ad;margin:0 auto 18px}
    .phone-line{height:10px;background:#dce6d7;border-radius:5px;margin:9px 0}
    .phone-score{background:var(--lime);border-radius:9px;padding:12px 8px;margin:15px 0}
    .phone-score small{display:block;color:#53651f;font-size:9px}.phone-score strong{font-size:18px;color:var(--deep)}
    .cta{background:var(--lime);padding:45px 0}
    .cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:30px;line-height:1.4;margin:0}
    .cta p{color:#4e641f;margin:6px 0 0}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
    .footer{background:var(--deep);color:#b3c0b5;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:40px;border-bottom:1px solid var(--line-dark)}
    .footer .brand{color:white}
    .footer-intro{color:#87978b;font-size:13px;margin:14px 0 0;max-width:290px}
    .footer h4{color:white;font-size:14px;margin:0 0 14px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links a{display:block;color:#9dac9f;font-size:13px;margin:8px 0}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#7f8e83;font-size:12px}
    @media(max-width:1024px){
      .nav{gap:0}.nav a{padding:8px 8px;font-size:13px}.brand{min-width:225px}
      .help-layout{grid-template-columns:1fr 1.35fr}
      .device-panel{padding:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,var(--max))}
      .navbar{height:68px}.header-actions{display:none}.menu-toggle{display:block}
      .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--deep);padding:14px 20px 22px;flex-direction:column;align-items:stretch;border-top:1px solid var(--line-dark);box-shadow:0 18px 25px rgba(0,0,0,.2)}
      .nav.open{display:flex}.nav a{padding:13px 12px}
      .hero-inner{padding:56px 0 60px}.hero-inner h1{font-size:36px}
      .section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:10px}
      .help-layout,.device-panel{grid-template-columns:1fr}
      .info-grid{grid-template-columns:1fr}
      .device-visual{order:-1;min-height:210px}
      .cta-wrap{display:block}.cta-actions{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
      .brand{min-width:0;gap:8px}.brand-mark{width:34px;height:34px;font-size:16px}.brand-copy{font-size:12px}.brand-copy small{font-size:9px}
      .hero-inner h1{font-size:30px}.hero-copy{font-size:15px}.hero-links .btn{width:100%}
      .notice{padding:17px}.help-menu,.device-panel{padding:24px}
      .device-panel h2{font-size:25px}.cta h2{font-size:25px}
      .cta-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }

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