/* roulang page: index */
:root{
  --bg:#151714;
  --surface:#1d201a;
  --surface-2:#252920;
  --paper:#f4f2ea;
  --ink:#1b1d19;
  --lime:#b7f23a;
  --lime-bright:#c9ff54;
  --purple:#8376b8;
  --text:#e9e6dc;
  --muted:#b8bcae;
  --dim:#7f8677;
  --line:rgba(184,188,174,.2);
  --line-strong:rgba(183,242,58,.45);
  --orange:#ffb45b;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 16px 38px rgba(0,0,0,.18);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:radial-gradient(rgba(183,242,58,.16) .7px,transparent .7px);background-size:18px 18px;mask-image:linear-gradient(to bottom,#000,transparent 70%);z-index:-1}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease}
button{font:inherit}
img{max-width:100%;display:block}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{height:74px;position:sticky;top:0;z-index:50;background:rgba(21,23,20,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:0;font-weight:800;letter-spacing:-.03em;line-height:1.22}
.brand-mark{width:35px;height:30px;border:2px solid var(--lime);border-radius:8px;display:grid;place-items:center;flex:none;position:relative}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
.brand-mark:before{width:14px;height:3px}
.brand-mark:after{width:3px;height:14px}
.brand-name{font-size:14px;max-width:235px}
.brand-name small{display:block;color:var(--lime);font-size:11px;letter-spacing:.12em;font-weight:700;margin-top:1px}
.main-nav{display:flex;align-items:center;gap:5px}
.main-nav a{font-size:14px;color:var(--muted);padding:8px 11px;border-radius:8px;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--lime);background:rgba(183,242,58,.08)}
.header-action{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 15px;border-radius:10px;background:var(--lime);color:#182014;font-size:14px;font-weight:800;white-space:nowrap}
.header-action:hover{background:var(--lime-bright);transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,242,58,.14)}
.menu-toggle{display:none;width:43px;height:40px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--text);cursor:pointer}
.hero{position:relative;padding:70px 0 58px;overflow:hidden}
.hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(183,242,58,.13);border-radius:50%;right:-190px;top:-210px;box-shadow:0 0 0 46px rgba(183,242,58,.025),0 0 0 94px rgba(183,242,58,.018);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(420px,.96fr);align-items:center;gap:56px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);box-shadow:13px 0 0 rgba(183,242,58,.4)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(33px,4vw,48px);line-height:1.22;letter-spacing:-.055em;margin:17px 0 20px;font-weight:800;max-width:720px}
.hero-copy>p{max-width:650px;color:var(--muted);font-size:17px;line-height:1.9;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.btn{min-height:47px;border-radius:11px;padding:0 19px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:15px;font-weight:800;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--lime);color:#182014}
.btn-primary:hover{background:var(--lime-bright);transform:translateY(-2px);box-shadow:0 10px 22px rgba(183,242,58,.16)}
.btn-secondary{color:var(--text);border-color:var(--line);background:rgba(255,255,255,.025)}
.btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.trust-row{display:flex;flex-wrap:wrap;gap:0;margin:0;padding:0;list-style:none}
.trust-row li{font-size:13px;color:var(--muted);padding:0 17px;border-left:1px solid var(--line)}
.trust-row li:first-child{padding-left:0;border-left:0}
.trust-row b{display:block;color:var(--text);font-size:14px;font-weight:700}
.device-stage{min-height:465px;position:relative;display:flex;align-items:center;justify-content:center}
.device-stage:before{content:"";width:380px;height:350px;border:1px solid var(--line);border-radius:28px;position:absolute;transform:rotate(-5deg);background:linear-gradient(135deg,rgba(131,118,184,.16),transparent 65%)}
.phone{width:254px;height:474px;background:#0f110e;border:8px solid #31352c;border-radius:36px;padding:13px;position:relative;z-index:2;box-shadow:22px 28px 0 rgba(0,0,0,.18),0 28px 50px rgba(0,0,0,.45)}
.phone:before{content:"";position:absolute;width:92px;height:19px;background:#31352c;border-radius:0 0 12px 12px;left:50%;top:-1px;transform:translateX(-50%)}
.phone-screen{height:100%;border-radius:22px;overflow:hidden;background:#20241d;padding:18px 14px;position:relative}
.screen-top{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted);margin:10px 0 20px}
.screen-logo{color:var(--lime);font-weight:800;letter-spacing:.04em}
.screen-hero{background:var(--lime);color:#192015;border-radius:13px;padding:14px;margin-bottom:14px}
.screen-hero small{font-size:10px;font-weight:700}
.screen-hero strong{display:block;font-size:20px;line-height:1.25;margin-top:5px}
.screen-tabs{display:flex;gap:8px;margin-bottom:13px}
.screen-tabs span{font-size:9px;color:var(--muted);padding:4px 7px;border-radius:8px;background:#2a2e25}
.screen-tabs span:first-child{color:#172015;background:var(--lime)}
.game-row{display:grid;grid-template-columns:1.15fr .85fr;gap:10px}
.mini-panel{min-height:106px;border:1px solid rgba(184,188,174,.16);border-radius:12px;padding:10px;background:#252920;position:relative;overflow:hidden}
.mini-panel:after{content:"";position:absolute;width:48px;height:48px;border:1px solid rgba(183,242,58,.34);border-radius:50%;right:-13px;bottom:-12px}
.mini-panel b{display:block;font-size:11px;line-height:1.4;margin-top:38px}
.mini-panel small{font-size:9px;color:var(--muted)}
.mini-panel.purple:before{content:"";position:absolute;left:11px;top:12px;width:34px;height:18px;border-radius:4px;background:var(--purple)}
.mini-panel.dark:before{content:"";position:absolute;left:11px;top:12px;width:18px;height:18px;border-radius:50%;background:var(--orange)}
.screen-footer{position:absolute;bottom:17px;left:14px;right:14px;display:flex;justify-content:space-around;color:var(--dim);font-size:9px}
.float-card{position:absolute;z-index:3;width:184px;background:#272b23;border:1px solid var(--line);border-radius:14px;padding:13px;box-shadow:var(--shadow)}
.float-card.download{right:0;bottom:53px}
.float-card.status{left:1px;top:66px}
.float-card strong{display:block;font-size:13px;color:var(--text);line-height:1.35}
.float-card small{color:var(--muted);font-size:11px;display:block;line-height:1.5;margin-top:3px}
.progress{height:5px;background:#3b4035;border-radius:10px;overflow:hidden;margin-top:10px}
.progress i{display:block;width:72%;height:100%;background:var(--lime);border-radius:inherit}
.section{padding:82px 0}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-heading h2{font-size:clamp(26px,3vw,34px);letter-spacing:-.04em;line-height:1.3;margin:0;font-weight:800}
.section-heading p{margin:0;color:var(--muted);max-width:495px;font-size:15px}
.path-section{padding-top:32px}
.path-track{border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.path-step{padding-top:24px;position:relative}
.path-number{width:35px;height:35px;display:grid;place-items:center;border:1px solid var(--lime);color:var(--lime);border-radius:9px;font-size:13px;font-weight:800;margin-bottom:15px;background:#1c2018}
.path-step h3{font-size:18px;margin-bottom:6px}
.path-step p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;max-width:280px}
.download-section{background:var(--paper);color:var(--ink);position:relative}
.download-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.app-window{background:#20231d;border:10px solid #30352b;border-radius:23px;padding:22px;box-shadow:18px 20px 0 rgba(31,34,27,.12);min-height:385px;position:relative;overflow:hidden}
.app-window:before{content:"";position:absolute;width:240px;height:240px;border:1px solid rgba(183,242,58,.2);border-radius:50%;right:-95px;top:-100px}
.window-bar{display:flex;gap:6px;margin-bottom:24px}
.window-bar i{width:9px;height:9px;border-radius:50%;background:#68705e}
.window-bar i:first-child{background:var(--lime)}
.window-title{font-size:20px;font-weight:800;color:#edf0e7;position:relative}
.window-title small{color:#aeb4a3;font-size:11px;font-weight:400;margin-left:7px}
.window-grid{display:grid;grid-template-columns:1.28fr .72fr;gap:13px;margin-top:20px}
.window-feature{height:225px;background:linear-gradient(155deg,#323a27,#1d211a);border:1px solid #454c3c;border-radius:15px;padding:18px;position:relative}
.window-feature span{color:var(--lime);font-size:11px}
.window-feature b{display:block;color:#fff;font-size:25px;line-height:1.3;margin-top:44px}
.window-feature:after{content:"";position:absolute;bottom:20px;left:18px;width:95px;height:7px;border-radius:8px;background:var(--lime)}
.window-stack{display:grid;gap:13px}
.window-stack div{border-radius:14px;background:#2b3026;border:1px solid #444b3a;padding:15px;color:#dfe3d8;font-size:12px}
.window-stack b{display:block;color:var(--lime);font-size:19px;line-height:1.3;margin-top:10px}
.download-copy h2{font-size:clamp(27px,3vw,35px);line-height:1.3;letter-spacing:-.04em;margin-bottom:15px}
.download-copy>p{color:#5e6258;margin-bottom:22px}
.check-list{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:10px}
.check-list li{position:relative;padding-left:28px;font-size:14px;color:#3d423a}
.check-list li:before{content:"✓";position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:5px;display:grid;place-items:center;background:#dff7ab;color:#27331a;font-size:12px;font-weight:800}
.download-box{display:flex;gap:16px;align-items:center;padding:16px;border:1px solid #d6d5cb;border-radius:15px;background:#fffef9}
.qr{width:74px;height:74px;flex:none;border:5px solid #252920;background:repeating-linear-gradient(90deg,#252920 0 5px,#fff 5px 9px),repeating-linear-gradient(#fff 0 6px,#252920 6px 10px);position:relative}
.qr:after{content:"扫码入口";position:absolute;inset:0;display:grid;place-items:center;background:rgba(255,255,255,.74);color:#1e211c;font-size:10px;font-weight:800}
.download-box b{display:block;font-size:14px}
.download-box small{display:block;color:#6e7369;font-size:12px;margin:2px 0 8px}
.download-box .btn{min-height:38px;padding:0 13px;font-size:13px}
.feature-section{background:#1a1d18}
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center;margin-top:46px}
.feature-row.reverse .feature-visual{order:2}
.feature-row.reverse .feature-copy{order:1}
.control-screen{background:#24281f;border:1px solid var(--line);border-radius:16px;padding:16px;min-height:265px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.025)}
.control-top{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;border-bottom:1px solid var(--line);padding-bottom:13px}
.control-map{height:185px;position:relative;margin-top:15px;border-radius:10px;background:linear-gradient(130deg,#303629,#1c201a);overflow:hidden}
.control-map:before{content:"";position:absolute;left:31px;top:52px;width:62px;height:62px;border:1px solid rgba(183,242,58,.6);border-radius:50%;box-shadow:0 0 0 14px rgba(183,242,58,.05)}
.control-map:after{content:"A  B";white-space:pre;position:absolute;right:26px;bottom:47px;color:#202519;background:var(--lime);border-radius:50%;width:60px;height:60px;display:grid;place-items:center;font-size:12px;font-weight:800;letter-spacing:6px;padding-left:6px}
.control-line{position:absolute;left:107px;right:105px;top:83px;height:1px;background:rgba(183,242,58,.38)}
.feature-copy h3{font-size:25px;line-height:1.35;letter-spacing:-.03em;margin-bottom:12px}
.feature-copy>p{color:var(--muted);margin-bottom:16px}
.feature-copy ul{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:8px}
.feature-copy li{font-size:14px;color:#d2d5cc;padding-left:19px;position:relative}
.feature-copy li:before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--purple);border-radius:50%}
.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--lime);font-size:14px;font-weight:700;border-bottom:1px solid transparent}
.text-link:hover{border-color:var(--lime)}
.news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
.news-focus,.news-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s ease,border-color .2s ease,background .2s ease}
.news-focus:hover,.news-item:hover{transform:translateY(-3px);border-color:var(--line-strong);background:#22261f}
.news-focus{overflow:hidden}
.news-art{height:190px;background:linear-gradient(135deg,#36412b,#20251d);position:relative;overflow:hidden}
.news-art:before{content:"";position:absolute;width:180px;height:115px;border:2px solid rgba(183,242,58,.66);border-radius:12px;left:50%;top:50%;transform:translate(-50%,-50%)}
.news-art:after{content:"PG";position:absolute;left:50%;top:50%;transform:translate(-50%,-48%);color:var(--lime);font-size:42px;font-weight:800;letter-spacing:-.08em}
.news-body{padding:21px}
.tag{display:inline-flex;align-items:center;min-height:25px;padding:0 9px;border-radius:20px;font-size:12px;color:#d7d0f2;background:rgba(131,118,184,.19);border:1px solid rgba(131,118,184,.35)}
.news-focus h3{font-size:21px;line-height:1.45;margin:12px 0 8px}
.news-focus p,.news-item p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:12px}
.meta{font-size:12px;color:var(--dim);display:flex;gap:12px;align-items:center}
.news-list{display:grid;gap:11px}
.news-item{display:grid;grid-template-columns:114px 1fr;gap:16px;padding:12px}
.news-thumb{border-radius:10px;background:linear-gradient(135deg,#352f49,#242820);min-height:105px;position:relative;overflow:hidden}
.news-thumb:before{content:"";width:49px;height:32px;border:1px solid rgba(233,230,220,.58);border-radius:5px;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
.news-thumb:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--lime);right:20px;bottom:23px}
.news-item h3{font-size:16px;line-height:1.45;margin:7px 0 4px}
.news-item p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 6px}
.empty-news{grid-column:1/-1;text-align:center;padding:54px 20px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted)}
.empty-news b{display:block;color:var(--text);font-size:18px;margin-bottom:6px}
.guide-strip{border:1px solid var(--line);border-radius:16px;padding:20px 24px;background:linear-gradient(90deg,rgba(131,118,184,.18),rgba(183,242,58,.05));display:flex;align-items:center;justify-content:space-between;gap:22px;margin-bottom:42px}
.guide-strip h3{font-size:18px;margin:0 0 3px}
.guide-strip p{font-size:14px;color:var(--muted);margin:0}
.faq-wrap{max-width:880px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-question{width:100%;border:0;background:transparent;color:var(--text);padding:19px 2px;display:flex;justify-content:space-between;gap:18px;text-align:left;cursor:pointer;font-size:16px;font-weight:700}
.faq-question span:last-child{color:var(--lime);font-size:23px;line-height:1;transition:transform .2s ease}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 38px 19px 2px;line-height:1.85}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta{padding:36px 0 72px}
.cta-inner{background:var(--lime);color:#1a2015;border-radius:20px;padding:34px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;position:relative;overflow:hidden}
.cta-inner:after{content:"PG";position:absolute;right:36px;top:-28px;font-size:132px;line-height:1;color:rgba(26,32,21,.09);font-weight:800;letter-spacing:-.12em}
.cta-inner h2{font-size:28px;line-height:1.35;letter-spacing:-.04em;margin:0 0 6px;position:relative;z-index:1}
.cta-inner p{margin:0;color:#41502d;font-size:14px;position:relative;z-index:1}
.cta-inner .btn{position:relative;z-index:1;background:#20251b;color:#eff4e8;white-space:nowrap}
.cta-inner .btn:hover{background:#30382a;transform:translateY(-2px)}
.site-footer{border-top:1px solid var(--line);background:#111310;padding:49px 0 21px}
.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:48px;padding-bottom:37px}
.footer-brand p{max-width:410px;color:var(--muted);font-size:13px;line-height:1.8;margin:15px 0 0}
.footer-title{font-size:13px;color:var(--text);font-weight:800;margin:0 0 13px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-links a{color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{padding-top:19px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;color:var(--dim);font-size:12px}
.mobile-bar{display:none}
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr 430px;gap:30px}
  .brand-name{max-width:190px}.main-nav a{padding:8px 8px}
  .download-grid{gap:38px}.feature-row{gap:38px}
}
@media(max-width:820px){
  .main-nav,.header-action{display:none}.menu-toggle{display:block}
  .site-header.open .main-nav{display:flex;position:absolute;top:73px;left:0;right:0;background:#1b1e19;border-bottom:1px solid var(--line);padding:14px max(24px,calc((100vw - 720px)/2));flex-direction:column;align-items:stretch}
  .site-header.open .main-nav a{padding:12px}
  .hero{padding-top:50px}.hero-grid,.download-grid{grid-template-columns:1fr}
  .device-stage{min-height:405px;max-width:500px;margin:0 auto}
  .download-copy{max-width:650px}.feature-row{grid-template-columns:1fr;gap:27px}
  .feature-row.reverse .feature-visual,.feature-row.reverse .feature-copy{order:initial}
  .news-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}
}
@media(max-width:600px){
  body{font-size:15px;padding-bottom:63px}.container{width:min(100% - 32px,var(--container))}
  .site-header{height:66px}.brand-mark{width:31px;height:27px}.brand-name{font-size:12px;max-width:212px}
  .hero{padding:42px 0 44px}h1{font-size:31px;line-height:1.27;margin-top:14px}.hero-copy>p{font-size:15px}
  .hero-actions .btn{width:100%}.trust-row li{width:50%;padding:8px 10px;border-left:1px solid var(--line)}.trust-row li:first-child{padding-left:10px;border-left:0}
  .device-stage{min-height:350px;transform:scale(.88);margin:-18px -20px -24px}.float-card.status{left:2px}.float-card.download{right:2px}
  .section{padding:57px 0}.section-heading{display:block;margin-bottom:24px}.section-heading h2{font-size:26px;margin-bottom:10px}
  .path-track{grid-template-columns:1fr;gap:0;border-top:0}.path-step{padding:18px 0 18px 55px;border-left:1px solid var(--line);margin-left:17px}.path-number{position:absolute;left:-18px;top:17px;background:var(--bg)}
  .download-section{padding-top:55px}.app-window{min-height:310px;padding:16px;border-width:7px}.window-feature{height:176px}.window-feature b{font-size:19px;margin-top:30px}.window-grid{gap:8px}.window-stack{gap:8px}.window-stack div{padding:10px}.window-stack b{font-size:15px}
  .download-box{align-items:flex-start}.download-box .btn{width:auto}.feature-row{margin-top:30px}.control-screen{min-height:225px}.control-map{height:148px}
  .news-item{grid-template-columns:88px 1fr;gap:12px}.news-thumb{min-height:90px}.news-item h3{font-size:15px}.news-item p{font-size:13px}.guide-strip{display:block;padding:19px}.guide-strip .text-link{margin-top:12px}
  .cta{padding:18px 0 48px}.cta-inner{padding:27px 22px;display:block}.cta-inner h2{font-size:23px}.cta-inner .btn{width:100%;margin-top:18px}.cta-inner:after{font-size:100px;right:10px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block;line-height:1.9}
  .mobile-bar{display:flex;position:fixed;z-index:60;bottom:0;left:0;right:0;height:63px;background:#1d211b;border-top:1px solid var(--line);align-items:center;justify-content:space-between;padding:9px 16px}.mobile-bar span{font-size:12px;font-weight:800;color:var(--text);line-height:1.25}.mobile-bar span small{display:block;color:var(--muted);font-size:10px;font-weight:400}.mobile-bar .btn{min-height:39px;padding:0 14px;font-size:13px}
}
@media(max-width:380px){.brand-name{max-width:180px}.device-stage{transform:scale(.79);margin-left:-45px;margin-right:-45px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}

/* roulang page: article */
:root{
  --bg:#151714;--surface:#1d201a;--surface-2:#252920;--paper:#f4f2ea;--ink:#1b1d19;
  --lime:#b7f23a;--lime-bright:#c9ff54;--purple:#8376b8;--text:#e9e6dc;--muted:#b8bcae;
  --dim:#7f8677;--line:rgba(184,188,174,.2);--line-strong:rgba(183,242,58,.45);
  --orange:#ffb45b;--radius:18px;--radius-sm:12px;--shadow:0 16px 38px rgba(0,0,0,.18);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.16;background-image:radial-gradient(rgba(183,242,58,.15) .7px,transparent .8px);background-size:18px 18px;mask-image:linear-gradient(to bottom,#000,transparent 72%)}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease,box-shadow .2s ease}
a:hover{color:var(--lime)}
button{font:inherit}
img{max-width:100%;height:auto;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{height:74px;position:sticky;top:0;z-index:50;background:rgba(21,23,20,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:0;font-weight:800;letter-spacing:-.03em;line-height:1.22}
.brand-mark{width:35px;height:30px;border:2px solid var(--lime);border-radius:8px;display:grid;place-items:center;flex:none;position:relative}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
.brand-mark:before{width:14px;height:3px}.brand-mark:after{width:3px;height:14px}
.brand-name{font-size:14px;max-width:235px}.brand-name small{display:block;color:var(--lime);font-size:11px;letter-spacing:.12em;font-weight:700;margin-top:1px}
.main-nav{display:flex;align-items:center;gap:5px}.main-nav a{font-size:14px;color:var(--muted);padding:8px 11px;border-radius:8px;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--lime);background:rgba(183,242,58,.08)}
.header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;cursor:pointer;border:1px solid transparent}
.header-action{min-height:40px;padding:0 15px;border-radius:10px;background:var(--lime);color:#182014;font-size:14px;white-space:nowrap}
.header-action:hover,.btn-primary:hover{color:#182014;background:var(--lime-bright);transform:translateY(-2px);box-shadow:0 9px 22px rgba(183,242,58,.16)}
.menu-toggle{display:none;width:43px;height:40px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--text);cursor:pointer}
.btn{min-height:47px;padding:0 19px;border-radius:11px;font-size:15px}.btn-primary{background:var(--lime);color:#182014}.btn-secondary{color:var(--text);border-color:var(--line);background:rgba(255,255,255,.025)}
.btn-secondary:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
:focus-visible{outline:3px solid rgba(183,242,58,.7);outline-offset:3px}
.article-hero{position:relative;padding:54px 0 48px;border-bottom:1px solid var(--line);overflow:hidden}
.article-hero:after{content:"";position:absolute;width:410px;height:410px;right:-170px;top:-200px;border:1px solid rgba(183,242,58,.14);border-radius:50%;box-shadow:0 0 0 45px rgba(183,242,58,.025),0 0 0 90px rgba(183,242,58,.018)}
.breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:9px;color:var(--dim);font-size:13px;margin-bottom:22px}.breadcrumb a:hover{color:var(--lime)}.breadcrumb span:last-child{color:var(--muted)}
.article-intro{position:relative;z-index:1;max-width:910px}.article-intro h1{margin:0;color:var(--text);font-size:clamp(32px,4vw,46px);line-height:1.2;letter-spacing:-.05em;font-weight:800}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 15px;margin-top:24px;color:var(--muted);font-size:14px}
.article-meta time{padding-left:15px;border-left:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;min-height:27px;padding:2px 10px;border:1px solid rgba(131,118,184,.7);border-radius:999px;color:#c0b7e6;background:rgba(131,118,184,.11);font-size:12px;font-weight:700}
.article-layout{display:grid;grid-template-columns:minmax(0,790px) 290px;align-items:start;gap:56px;padding:64px 0 84px}
.article-body{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,4vw,52px);box-shadow:var(--shadow)}
.article-body>*:first-child{margin-top:0}.article-body>*:last-child{margin-bottom:0}
.article-body h2{font-size:clamp(24px,3vw,30px);line-height:1.35;letter-spacing:-.035em;margin:2.1em 0 .8em;color:var(--text);font-weight:800}
.article-body h3{font-size:20px;line-height:1.45;margin:1.75em 0 .65em;color:#f1f0e9;font-weight:750}
.article-body p{margin:0 0 1.25em;color:#d7d8cd}.article-body strong{color:#f4f2ea}.article-body a{color:var(--lime);border-bottom:1px solid rgba(183,242,58,.35)}.article-body a:hover{border-color:var(--lime)}
.article-body ul,.article-body ol{padding-left:1.45em;margin:1.25em 0;color:#d7d8cd}.article-body li{margin:.55em 0}
.article-body blockquote{margin:1.7em 0;padding:18px 20px;border-left:3px solid var(--lime);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:rgba(183,242,58,.06);color:var(--muted)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14px;overflow:hidden;border:1px solid var(--line);border-radius:12px}.article-body th,.article-body td{padding:12px;border:1px solid var(--line);text-align:left}.article-body th{color:var(--lime);background:rgba(183,242,58,.06)}.article-body img{margin:1.8em auto;border-radius:12px;border:1px solid var(--line)}.article-body figure{margin:1.8em 0}.article-body figcaption{text-align:center;color:var(--dim);font-size:13px;margin-top:8px}
.not-found{text-align:center;padding:48px 12px}.not-found h2{margin:0 0 10px}.not-found p{color:var(--muted);margin-bottom:24px}
.article-side{position:sticky;top:96px;display:grid;gap:18px}.side-card{padding:21px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.side-card h2{font-size:16px;margin:0 0 12px;color:var(--text);font-weight:800}
.toc-list,.side-links{list-style:none;padding:0;margin:0}.toc-list li,.side-links li{border-top:1px solid var(--line)}.toc-list li:first-child,.side-links li:first-child{border-top:0}.toc-list a,.side-links a{display:block;padding:10px 0;color:var(--muted);font-size:14px;line-height:1.55}.toc-list a:hover,.side-links a:hover{color:var(--lime);padding-left:4px}
.download-mini{background:linear-gradient(145deg,#2b3124,#1d201a);border-color:rgba(183,242,58,.3)}.download-mini p{margin:0 0 14px;color:var(--muted);font-size:13px;line-height:1.65}.download-mini .btn{width:100%;min-height:43px;font-size:14px}
.related{padding:0 0 82px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}.section-head h2{margin:0;font-size:clamp(25px,3vw,32px);line-height:1.3;font-weight:800;letter-spacing:-.04em}.section-head p{margin:0;color:var(--muted);font-size:14px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.related-card{display:flex;flex-direction:column;min-height:220px;padding:23px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 20px rgba(0,0,0,.08)}.related-card:hover{transform:translateY(-3px);border-color:var(--line-strong);color:var(--text)}.related-card h3{font-size:18px;line-height:1.45;margin:16px 0 10px;font-weight:750}.related-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}.related-card .read{margin-top:auto;padding-top:18px;color:var(--lime);font-size:14px;font-weight:700}
.cta-strip{padding:34px 0 0}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:31px 35px;border:1px solid rgba(183,242,58,.35);border-radius:var(--radius);background:#242a1c}.cta-box h2{font-size:25px;line-height:1.35;margin:0 0 6px;font-weight:800}.cta-box p{margin:0;color:var(--muted);font-size:14px}
.site-footer{margin-top:82px;padding:58px 0 20px;background:#10120f;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.65fr 1fr 1fr;gap:46px}.footer-brand p{max-width:440px;margin:17px 0 0;color:var(--muted);font-size:14px;line-height:1.8}.footer-title{margin:0 0 12px;color:var(--text);font-size:14px;font-weight:800}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:7px 0}.footer-links a{color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:45px;padding-top:18px;border-top:1px solid var(--line);color:var(--dim);font-size:12px}
@media(max-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:28px}.related-grid{grid-template-columns:repeat(3,1fr)}.header-action{display:none}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 36px))}.site-header{height:68px}.main-nav{display:none}.menu-toggle{display:inline-grid;place-items:center}.site-header.menu-open{height:auto}.site-header.menu-open .header-inner{height:auto;min-height:68px;flex-wrap:wrap;padding:13px 0}.site-header.menu-open .main-nav{width:100%;order:3;display:grid;gap:4px;padding:8px 0}.site-header.menu-open .main-nav a{padding:10px 12px}.article-hero{padding:37px 0 34px}.article-layout{display:block;padding:42px 0 58px}.article-side{position:static;margin-top:22px}.side-card.toc-card{display:none}.related{padding-bottom:58px}.related-grid{grid-template-columns:1fr}.cta-box{align-items:flex-start;flex-direction:column;padding:27px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:4px;margin-top:32px}.article-body{padding:26px 22px}}
@media(max-width:520px){body{font-size:15px}.container{width:calc(100% - 32px)}.brand-name{font-size:12px;max-width:210px}.brand-mark{width:31px;height:28px}.article-intro h1{font-size:30px}.article-meta{gap:8px 11px}.article-meta time{padding-left:11px}.article-body h2{font-size:24px}.article-body table{font-size:12px}.article-body th,.article-body td{padding:9px}.section-head{display:block}.section-head p{margin-top:8px}.cta-box h2{font-size:22px}.cta-box .btn{width:100%}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}

/* roulang page: category1 */
:root{
      --bg:#151714;
      --surface:#1d201a;
      --surface-2:#252920;
      --surface-3:#2c3028;
      --paper:#f4f2ea;
      --ink:#1b1d19;
      --lime:#b7f23a;
      --lime-bright:#c9ff54;
      --purple:#8376b8;
      --text:#e9e6dc;
      --muted:#b8bcae;
      --dim:#7f8677;
      --line:rgba(184,188,174,.2);
      --line-strong:rgba(183,242,58,.45);
      --orange:#ffb45b;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 16px 38px rgba(0,0,0,.18);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--bg);color:var(--text);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;line-height:1.8;overflow-x:hidden;
    }
    body:before{
      content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.17;
      background-image:radial-gradient(rgba(183,242,58,.14) .7px,transparent .8px);
      background-size:18px 18px;mask-image:linear-gradient(to bottom,#000,transparent 72%);
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease,box-shadow .2s ease}
    button,input{font:inherit}
    button{border:0}
    img{max-width:100%;display:block}
    :focus-visible{outline:3px solid rgba(183,242,58,.75);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}

    .site-header{
      height:74px;position:sticky;top:0;z-index:50;background:rgba(21,23,20,.94);
      backdrop-filter:blur(10px);border-bottom:1px solid var(--line)
    }
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:0;font-weight:800;letter-spacing:-.03em;line-height:1.22}
    .brand-mark{
      width:35px;height:30px;border:2px solid var(--lime);border-radius:8px;display:grid;
      place-items:center;flex:none;position:relative
    }
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
    .brand-mark:before{width:14px;height:3px}.brand-mark:after{width:3px;height:14px}
    .brand-name{font-size:14px;max-width:235px}
    .brand-name small{display:block;color:var(--lime);font-size:11px;letter-spacing:.12em;font-weight:700;margin-top:1px}
    .main-nav{display:flex;align-items:center;gap:5px}
    .main-nav a{font-size:14px;color:var(--muted);padding:8px 11px;border-radius:8px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--lime);background:rgba(183,242,58,.08)}
    .header-action{
      display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 15px;
      border-radius:10px;background:var(--lime);color:#182014;font-size:14px;font-weight:800;white-space:nowrap
    }
    .header-action:hover{background:var(--lime-bright);transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,242,58,.14)}
    .menu-toggle{
      display:none;width:43px;height:40px;border:1px solid var(--line);border-radius:10px;background:transparent;
      color:var(--text);cursor:pointer;font-size:20px
    }

    .page-hero{padding:44px 0 52px;position:relative;overflow:hidden}
    .page-hero:after{
      content:"";position:absolute;width:430px;height:430px;right:-170px;top:-235px;border:1px solid rgba(183,242,58,.18);
      border-radius:50%;box-shadow:0 0 0 42px rgba(183,242,58,.025),0 0 0 86px rgba(183,242,58,.018)
    }
    .breadcrumb{display:flex;align-items:center;gap:9px;margin:0 0 30px;color:var(--dim);font-size:13px;position:relative;z-index:1}
    .breadcrumb a:hover{color:var(--lime)}.breadcrumb span{color:#5e6458}
    .hero-panel{
      position:relative;z-index:1;padding:42px 46px;border:1px solid var(--line);border-radius:var(--radius);
      background:linear-gradient(120deg,rgba(37,41,32,.94),rgba(28,31,26,.88));overflow:hidden
    }
    .hero-panel:before{
      content:"";position:absolute;right:36px;top:28px;width:155px;height:98px;opacity:.38;border:1px solid var(--line-strong);
      border-radius:12px;background:repeating-linear-gradient(90deg,transparent 0 14px,rgba(183,242,58,.17) 14px 15px)
    }
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);box-shadow:13px 0 0 rgba(183,242,58,.4)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(32px,4vw,46px);line-height:1.18;letter-spacing:-.045em;font-weight:800;margin:14px 0 18px;max-width:810px}
    .hero-panel p{max-width:730px;color:var(--muted);margin-bottom:25px;font-size:16px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn{
      min-height:47px;border-radius:11px;padding:0 19px;display:inline-flex;align-items:center;justify-content:center;gap:9px;
      font-size:15px;font-weight:800;border:1px solid transparent;cursor:pointer
    }
    .btn-primary{background:var(--lime);color:#182014}.btn-primary:hover{background:var(--lime-bright);transform:translateY(-2px);box-shadow:0 10px 22px rgba(183,242,58,.16)}
    .btn-secondary{color:var(--text);border-color:var(--line);background:rgba(255,255,255,.025)}.btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .hero-meta{display:flex;flex-wrap:wrap;gap:0;margin:25px 0 0;padding:0;list-style:none}
    .hero-meta li{padding:0 18px;border-left:1px solid var(--line);color:var(--muted);font-size:13px}
    .hero-meta li:first-child{padding-left:0;border-left:0}.hero-meta b{color:var(--text);font-weight:700}

    .section{padding:76px 0}
    .section-heading{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:31px}
    .section-heading h2{font-size:clamp(25px,3vw,32px);line-height:1.3;letter-spacing:-.04em;font-weight:800;margin:0}
    .section-heading p{margin:0;max-width:500px;color:var(--muted);font-size:15px}
    .trial-layout{display:grid;grid-template-columns:238px minmax(0,1fr);gap:42px;align-items:start}
    .anchor-nav{position:sticky;top:98px;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);padding:18px}
    .anchor-nav strong{display:block;font-size:14px;margin:0 0 9px;color:var(--text)}
    .anchor-nav a{display:block;color:var(--muted);font-size:14px;padding:10px 9px;border-bottom:1px solid rgba(184,188,174,.12)}
    .anchor-nav a:last-child{border-bottom:0}.anchor-nav a:hover{color:var(--lime);padding-left:13px}
    .content-stack{display:grid;gap:21px}
    .intro-card,.tip-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:28px}
    .intro-card h3,.tip-card h3{font-size:20px;line-height:1.4;font-weight:800;margin-bottom:11px}
    .intro-card p,.tip-card p{color:var(--muted);margin-bottom:0}
    .entry-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:17px;align-items:center;margin-top:23px;padding:17px;border-radius:14px;background:var(--surface-2);border:1px solid rgba(184,188,174,.14)}
    .entry-icon,.step-number{width:42px;height:42px;display:grid;place-items:center;flex:none;border-radius:11px;background:rgba(183,242,58,.12);border:1px solid rgba(183,242,58,.36);color:var(--lime);font-weight:800}
    .entry-row b{display:block;font-size:15px}.entry-row small{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:2px}

    .steps-section{background:#20231d;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .steps:before{content:"";position:absolute;top:30px;left:12%;right:12%;height:1px;background:linear-gradient(90deg,var(--line-strong),var(--line))}
    .step{position:relative;z-index:1;padding:0 18px 23px}
    .step-number{position:relative;background:var(--bg);margin-bottom:18px;width:61px;height:61px;border-radius:50%;font-size:18px}
    .step h3{font-size:19px;font-weight:800;line-height:1.4;margin-bottom:8px}.step p{margin:0;color:var(--muted);font-size:15px}
    .screen-flow{display:grid;grid-template-columns:1.06fr .94fr;gap:34px;align-items:center;margin-top:42px}
    .sim-screen{padding:15px;border-radius:18px;background:#11130f;border:1px solid #454b3e;box-shadow:var(--shadow)}
    .sim-bar{display:flex;align-items:center;justify-content:space-between;padding:2px 3px 14px;color:#b8bcae;font-size:11px}
    .dots{display:flex;gap:5px}.dots i{display:block;width:7px;height:7px;border-radius:50%;background:#5d6455}.dots i:first-child{background:var(--orange)}
    .sim-main{min-height:255px;padding:20px;border-radius:12px;background:linear-gradient(145deg,#30382a,#1a1e18);position:relative;overflow:hidden}
    .sim-main:before{content:"";position:absolute;inset:0;opacity:.24;background:repeating-linear-gradient(0deg,transparent 0 7px,rgba(233,230,220,.09) 7px 8px)}
    .screen-caption{position:relative;font-size:11px;color:var(--lime);letter-spacing:.1em}.screen-title{position:relative;font-size:26px;line-height:1.2;font-weight:800;margin:14px 0 20px;max-width:240px}
    .screen-options{position:relative;display:flex;gap:9px}.screen-options span{font-size:11px;padding:7px 9px;border-radius:7px;background:#424b36;color:#e9e6dc}.screen-options span:first-child{background:var(--lime);color:#182014;font-weight:800}
    .controller{position:absolute;right:22px;bottom:25px;width:134px;height:84px;border:1px solid rgba(183,242,58,.6);border-radius:42px 42px 30px 30px;background:#20261c;transform:rotate(-9deg)}
    .controller:before{content:"+";position:absolute;left:24px;top:20px;font-size:23px;line-height:20px;color:var(--lime);font-weight:300}.controller:after{content:"● ●";position:absolute;right:15px;top:27px;color:var(--lime);font-size:11px;letter-spacing:3px}
    .flow-copy h3{font-size:24px;line-height:1.35;font-weight:800;margin-bottom:15px}.flow-copy p{color:var(--muted);margin-bottom:18px}
    .check-list{padding:0;margin:0;list-style:none}.check-list li{position:relative;padding:8px 0 8px 27px;color:var(--text);border-bottom:1px solid rgba(184,188,174,.12);font-size:15px}.check-list li:before{content:"";width:12px;height:7px;position:absolute;left:2px;top:16px;border-left:2px solid var(--lime);border-bottom:2px solid var(--lime);transform:rotate(-45deg)}

    .tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:21px}
    .tip-card{min-height:202px;position:relative;overflow:hidden}.tip-card:after{content:"";position:absolute;right:-22px;bottom:-28px;width:105px;height:105px;border:1px solid rgba(131,118,184,.45);border-radius:50%}
    .tip-card .tag{margin-bottom:14px}
    .tag{display:inline-flex;padding:4px 9px;border:1px solid rgba(131,118,184,.65);border-radius:999px;color:#c2b9e7;background:rgba(131,118,184,.1);font-size:12px;line-height:1.4;font-weight:700}
    .notice{margin-top:22px;padding:18px 21px;border-left:3px solid var(--orange);background:rgba(255,180,91,.07);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--muted);font-size:14px}.notice b{color:var(--orange)}

    .faq-section{padding-bottom:82px}
    .faq-wrap{max-width:900px;margin:0 auto}
    .faq-item{border-top:1px solid var(--line)}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 2px;background:transparent;color:var(--text);cursor:pointer;text-align:left;font-size:17px;font-weight:700}
    .faq-question:hover{color:var(--lime)}.faq-icon{font-size:24px;color:var(--lime);font-weight:400;transition:transform .25s ease;line-height:1}
    .faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}.faq-answer>div{overflow:hidden}.faq-answer p{color:var(--muted);margin:0;padding:0 40px 0 2px;font-size:15px}
    .faq-item.open .faq-answer{grid-template-rows:1fr}.faq-item.open .faq-answer p{padding-bottom:21px}.faq-item.open .faq-icon{transform:rotate(45deg)}

    .cta-band{padding:34px 0 74px}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:35px 39px;border-radius:var(--radius);background:var(--lime);color:#192015;position:relative;overflow:hidden}
    .cta-box:after{content:"";position:absolute;right:4%;top:-40px;width:160px;height:160px;border:1px solid rgba(25,32,20,.2);border-radius:50%;box-shadow:0 0 0 30px rgba(25,32,20,.06)}
    .cta-box h2{position:relative;z-index:1;font-size:27px;line-height:1.3;letter-spacing:-.04em;font-weight:800;margin:0 0 7px}.cta-box p{position:relative;z-index:1;margin:0;font-size:15px;color:#3c462f}
    .cta-box .btn{position:relative;z-index:1;background:#1c2019;color:var(--paper);white-space:nowrap}.cta-box .btn:hover{transform:translateY(-2px);background:#30372b;box-shadow:0 10px 20px rgba(21,23,20,.18)}

    .site-footer{border-top:1px solid var(--line);background:#11130f;padding:52px 0 18px}
    .footer-grid{display:grid;grid-template-columns:1.7fr .8fr .8fr;gap:42px}
    .footer-brand p{max-width:430px;color:var(--muted);font-size:14px;margin:17px 0 0}.footer-title{font-size:14px;font-weight:800;margin:0 0 12px;color:var(--text)}
    .footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:7px 0}.footer-links a{color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--lime)}
    .footer-bottom{margin-top:42px;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;color:var(--dim);font-size:12px}

    @media (max-width:1024px){
      .main-nav{gap:1px}.main-nav a{padding:8px}
      .trial-layout{grid-template-columns:205px minmax(0,1fr);gap:25px}
      .screen-flow{gap:25px}.hero-panel{padding:36px}
    }
    @media (max-width:767px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header{height:68px}.header-inner{gap:12px}.brand-name{font-size:12px;max-width:185px}.brand-mark{width:31px;height:28px}
      .main-nav{
        display:none;position:absolute;left:16px;right:16px;top:76px;padding:12px;
        flex-direction:column;align-items:stretch;gap:3px;background:#1b1e18;
        border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)
      }
      .main-nav.open{display:flex}.main-nav a{padding:11px 12px}
      .header-action{display:none}.menu-toggle{display:block}
      .page-hero{padding:31px 0 35px}.breadcrumb{margin-bottom:21px}
      .hero-panel{padding:27px 21px}.hero-panel:before{right:-45px;top:18px}
      h1{font-size:32px;margin-top:12px}.hero-panel p{font-size:15px}
      .hero-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px}.hero-meta li{padding:0 10px}
      .hero-meta li:nth-child(3){grid-column:1 / -1;padding-left:0;border-left:0}
      .section{padding:55px 0}.section-heading{display:block;margin-bottom:24px}.section-heading p{margin-top:10px}
      .trial-layout{display:block}.anchor-nav{position:static;display:flex;gap:4px;overflow-x:auto;margin-bottom:18px;padding:8px;white-space:nowrap}
      .anchor-nav strong{display:none}.anchor-nav a{border:0;padding:8px 10px;font-size:13px}
      .intro-card,.tip-card{padding:22px}.entry-row{grid-template-columns:auto minmax(0,1fr);gap:12px}.entry-row .btn{grid-column:2;justify-self:start}
      .steps{display:block}.steps:before{left:30px;top:31px;bottom:60px;width:1px;height:auto;background:var(--line-strong)}
      .step{padding:0 0 28px 82px;min-height:104px}.step-number{position:absolute;left:0;top:0}
      .screen-flow{display:flex;flex-direction:column;margin-top:31px;align-items:stretch}.sim-screen{order:2}.flow-copy{order:1}
      .sim-main{min-height:220px}.controller{right:15px;bottom:20px;transform:scale(.82) rotate(-9deg);transform-origin:right bottom}
      .tips-grid{grid-template-columns:1fr}.tip-card{min-height:0}
      .faq-section{padding-bottom:55px}.faq-question{font-size:15px;padding:17px 0}.faq-answer p{font-size:14px}
      .cta-band{padding:20px 0 55px}.cta-box{display:block;padding:28px 23px}.cta-box h2{font-size:23px}.cta-box .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1 / -1}.footer-bottom{display:block;margin-top:29px}.footer-bottom span{display:block;margin-top:5px}
    }
    @media (max-width:520px){
      .hero-actions,.hero-actions .btn{width:100%}.hero-actions .btn{justify-content:center}
      .hero-meta{grid-template-columns:1fr}.hero-meta li,.hero-meta li:nth-child(3){border-left:0;padding:0}
      .entry-row .btn{width:100%;grid-column:1 / -1}.entry-row small{font-size:12px}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
    }

/* roulang page: category2 */
:root{
      --bg:#151714;
      --surface:#1d201a;
      --surface-2:#252920;
      --paper:#f4f2ea;
      --paper-soft:#e9e6dc;
      --ink:#1b1d19;
      --lime:#b7f23a;
      --lime-bright:#c9ff54;
      --purple:#8376b8;
      --text:#e9e6dc;
      --muted:#b8bcae;
      --dim:#7f8677;
      --line:rgba(184,188,174,.2);
      --line-strong:rgba(183,242,58,.45);
      --orange:#ffb45b;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 16px 38px rgba(0,0,0,.18);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:radial-gradient(rgba(183,242,58,.16) .7px,transparent .7px);background-size:18px 18px;mask-image:linear-gradient(to bottom,#000,transparent 70%);z-index:-1}
    a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease,box-shadow .2s ease}
    img{max-width:100%;display:block}
    button{font:inherit}
    button:focus-visible,a:focus-visible{outline:3px solid rgba(183,242,58,.72);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:74px;position:sticky;top:0;z-index:50;background:rgba(21,23,20,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:0;font-weight:800;letter-spacing:-.03em;line-height:1.22}
    .brand-mark{width:35px;height:30px;border:2px solid var(--lime);border-radius:8px;display:grid;place-items:center;flex:none;position:relative}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
    .brand-mark:before{width:14px;height:3px}
    .brand-mark:after{width:3px;height:14px}
    .brand-name{font-size:14px;max-width:235px}
    .brand-name small{display:block;color:var(--lime);font-size:11px;letter-spacing:.12em;font-weight:700;margin-top:1px}
    .main-nav{display:flex;align-items:center;gap:5px}
    .main-nav a{font-size:14px;color:var(--muted);padding:8px 11px;border-radius:8px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--lime);background:rgba(183,242,58,.08)}
    .header-action{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 15px;border-radius:10px;background:var(--lime);color:#182014;font-size:14px;font-weight:800;white-space:nowrap}
    .header-action:hover{background:var(--lime-bright);transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,242,58,.14)}
    .menu-toggle{display:none;width:43px;height:40px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--text);cursor:pointer}
    .page-hero{padding:50px 0 36px;position:relative}
    .page-hero:after{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(183,242,58,.12);border-radius:50%;right:-170px;top:-260px;box-shadow:0 0 0 44px rgba(183,242,58,.025),0 0 0 90px rgba(131,118,184,.03);pointer-events:none}
    .breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:var(--dim);font-size:13px;margin-bottom:22px}
    .breadcrumbs a:hover{color:var(--lime)}
    .breadcrumbs i{font-style:normal;color:var(--dim)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);box-shadow:13px 0 0 rgba(183,242,58,.4)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(32px,4vw,46px);line-height:1.2;letter-spacing:-.05em;font-weight:800;margin:14px 0 16px}
    h2{font-size:clamp(25px,3vw,32px);line-height:1.3;letter-spacing:-.04em;font-weight:800;margin:0}
    h3{font-size:19px;line-height:1.45;font-weight:800;margin:0}
    .hero-lead{max-width:760px;color:var(--muted);font-size:17px;line-height:1.9;margin-bottom:0}
    .section{padding:78px 0}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:31px}
    .section-heading p{max-width:500px;color:var(--muted);margin:0;font-size:15px}
    .btn{min-height:47px;border-radius:11px;padding:0 19px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:15px;font-weight:800;border:1px solid transparent;cursor:pointer}
    .btn-primary{background:var(--lime);color:#182014}
    .btn-primary:hover{background:var(--lime-bright);transform:translateY(-2px);box-shadow:0 10px 22px rgba(183,242,58,.16)}
    .btn-secondary{color:var(--text);border-color:var(--line);background:rgba(255,255,255,.025)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .download-panel{display:grid;grid-template-columns:180px minmax(0,1fr) 205px;gap:28px;align-items:center;background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .download-panel:before{content:"";position:absolute;right:20%;top:0;width:1px;height:100%;background:linear-gradient(transparent,rgba(183,242,58,.34),transparent)}
    .app-icon{width:145px;height:145px;border-radius:27px;background:#2a3022;border:1px solid rgba(183,242,58,.5);box-shadow:inset 0 0 0 7px rgba(183,242,58,.055);display:grid;place-items:center;position:relative}
    .app-icon:before{content:"";width:74px;height:58px;border:3px solid var(--lime);border-radius:14px;position:absolute}
    .app-icon:after{content:"+";color:var(--lime);font-size:34px;font-weight:400;line-height:1;position:absolute}
    .app-info h2{font-size:27px;margin-bottom:7px}
    .app-info>p{color:var(--muted);font-size:15px;margin-bottom:17px}
    .version-row{display:flex;flex-wrap:wrap;gap:8px}
    .badge{display:inline-flex;align-items:center;min-height:28px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.025)}
    .badge.lime{color:var(--lime);border-color:rgba(183,242,58,.35)}
    .badge.orange{color:var(--orange);border-color:rgba(255,180,91,.35)}
    .download-side{border-left:1px solid var(--line);padding-left:27px}
    .download-side .btn{width:100%;margin-bottom:10px}
    .minor-note{font-size:12px;color:var(--dim);line-height:1.65;margin:0}
    .visual-section{background:var(--paper);color:var(--ink)}
    .visual-section .section-heading p{color:#555a50}
    .compat-grid{display:grid;grid-template-columns:.94fr 1.06fr;gap:56px;align-items:center}
    .device-window{background:#1b1e18;border:8px solid #30342b;border-radius:28px;padding:18px;min-height:385px;box-shadow:0 20px 42px rgba(24,27,21,.2);position:relative}
    .device-top{display:flex;justify-content:space-between;align-items:center;color:#aeb4a3;font-size:11px;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.11)}
    .tiny-dots{display:flex;gap:5px}.tiny-dots b{display:block;width:6px;height:6px;border-radius:50%;background:#6e7567}.tiny-dots b:first-child{background:var(--lime)}
    .ui-main{margin-top:18px;background:#262b22;border:1px solid #424a38;border-radius:15px;padding:17px}
    .ui-title{color:#f1f2eb;font-weight:800;font-size:17px}
    .ui-title small{display:block;color:#aeb4a3;font-size:11px;font-weight:400;margin-top:3px}
    .ui-card{margin-top:15px;display:grid;grid-template-columns:1.1fr .9fr;gap:11px}
    .ui-play{min-height:145px;border-radius:12px;background:linear-gradient(150deg,#b7f23a,#91bf31);padding:16px;color:#1b2316;display:flex;flex-direction:column;justify-content:space-between;font-weight:800}
    .ui-play span{font-size:11px}.ui-play strong{font-size:25px;line-height:1.1}
    .ui-list{display:grid;gap:9px}
    .ui-list b{border-radius:10px;background:#363c2f;border:1px solid #4b5441;min-height:42px}
    .ui-progress{height:9px;border-radius:999px;background:#34392e;margin-top:17px;overflow:hidden}.ui-progress:before{content:"";display:block;width:72%;height:100%;background:var(--lime)}
    .compat-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
    .compat-list li{display:grid;grid-template-columns:39px 1fr;gap:13px;align-items:start;padding:15px 0;border-bottom:1px solid rgba(27,29,25,.13)}
    .compat-list li:last-child{border-bottom:0}
    .list-icon{width:36px;height:36px;background:#dce7bd;border-radius:10px;display:grid;place-items:center;color:#29321f;font-weight:800;font-size:17px}
    .compat-list strong{display:block;font-size:16px;margin-bottom:2px}
    .compat-list span{display:block;color:#555a50;font-size:14px;line-height:1.7}
    .process-grid{display:grid;grid-template-columns:245px minmax(0,1fr);gap:64px}
    .sticky-index{align-self:start;position:sticky;top:102px;border-left:1px solid var(--line);padding-left:20px}
    .sticky-index a{display:block;padding:8px 0;font-size:14px;color:var(--muted)}
    .sticky-index a:hover{color:var(--lime);padding-left:4px}
    .process-list{display:grid;gap:0}
    .process-step{display:grid;grid-template-columns:65px 1fr;gap:20px;padding:0 0 38px;position:relative}
    .process-step:not(:last-child):before{content:"";position:absolute;left:25px;top:53px;bottom:8px;width:1px;background:var(--line-strong)}
    .step-number{height:52px;width:52px;border:1px solid var(--line-strong);border-radius:15px;color:var(--lime);display:grid;place-items:center;font-weight:800;font-size:17px;background:rgba(183,242,58,.06)}
    .step-body{padding:3px 0}
    .step-body p{color:var(--muted);margin:7px 0 0;max-width:660px;font-size:15px}
    .step-hint{margin-top:13px;padding:12px 15px;border-radius:10px;background:var(--surface-2);border-left:3px solid var(--purple);color:var(--muted);font-size:13px;line-height:1.7}
    .notes-section{padding-top:24px}
    .notes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .note-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:205px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
    .note-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
    .note-card .card-mark{width:38px;height:38px;border-radius:11px;background:rgba(131,118,184,.22);color:#c0b8e5;display:grid;place-items:center;font-weight:800;margin-bottom:16px}
    .note-card p{color:var(--muted);font-size:14px;line-height:1.75;margin:8px 0 0}
    .faq-wrap{max-width:890px;margin:auto}
    .faq-item{border-top:1px solid var(--line)}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;padding:20px 3px;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;color:var(--text);background:transparent;border:0;font-weight:800;font-size:17px;cursor:pointer}
    .faq-question span:last-child{width:26px;height:26px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--lime);font-size:19px;font-weight:400;line-height:1;transition:transform .2s ease,background .2s ease}
    .faq-question[aria-expanded="true"] span:last-child{transform:rotate(45deg);background:rgba(183,242,58,.1)}
    .faq-answer{display:none;padding:0 4px 20px;color:var(--muted);font-size:15px;line-height:1.85}
    .faq-answer.show{display:block;animation:fade .22s ease}
    @keyframes fade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
    .bottom-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .cta{padding:32px 0 74px}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:31px 35px;background:var(--surface-2);border:1px solid var(--line-strong);border-radius:var(--radius);position:relative;overflow:hidden}
    .cta-box:after{content:"";position:absolute;width:180px;height:180px;right:23%;top:-110px;border-radius:50%;border:1px solid rgba(183,242,58,.24)}
    .cta-box h2{font-size:26px;position:relative;z-index:1}
    .cta-box p{margin:6px 0 0;color:var(--muted);font-size:15px;position:relative;z-index:1}
    .cta-box .btn{flex:none;position:relative;z-index:1}
    .site-footer{border-top:1px solid var(--line);background:#11130f;padding:54px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:46px}
    .footer-brand p{max-width:420px;color:var(--muted);font-size:14px;line-height:1.75;margin:18px 0 0}
    .footer-title{font-size:14px;color:var(--text);font-weight:800;margin:3px 0 13px}
    .footer-links{padding:0;margin:0;list-style:none}
    .footer-links li{margin:7px 0}
    .footer-links a{color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:var(--dim);font-size:12px}
    @media (max-width:1024px){
      .main-nav{gap:1px}.main-nav a{padding:8px}
      .download-panel{grid-template-columns:145px 1fr}.download-side{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);padding:20px 0 0;display:flex;align-items:center;gap:15px}.download-side .btn{width:auto;margin:0}
      .compat-grid,.process-grid{gap:38px}.notes-grid{gap:14px}
    }
    @media (max-width:767px){
      .container{width:min(100% - 32px,var(--container))}
      .site-header{height:68px}.header-inner{gap:12px}.brand-name{font-size:12px;max-width:180px}.brand-mark{width:31px;height:27px}
      .menu-toggle{display:grid;place-items:center}.main-nav{display:none;position:absolute;top:68px;left:16px;right:16px;padding:12px;background:#20231d;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:10px 12px}.header-action{display:none}
      .page-hero{padding:36px 0 26px}h1{font-size:32px}.hero-lead{font-size:16px}
      .section{padding:57px 0}.section-heading{display:block;margin-bottom:25px}.section-heading p{margin-top:10px}
      .download-panel{display:block;padding:24px}.app-icon{width:104px;height:104px;border-radius:22px;margin-bottom:20px}.app-icon:before{width:56px;height:44px}.app-icon:after{font-size:28px}.app-info h2{font-size:23px}.download-side{display:block;margin-top:21px}.download-side .btn{width:100%;margin-bottom:10px}
      .compat-grid,.process-grid{grid-template-columns:1fr;gap:28px}.device-window{min-height:330px}.sticky-index{position:static;border-left:0;border-bottom:1px solid var(--line);padding:0 0 13px;display:flex;gap:18px;overflow:auto}.sticky-index a{white-space:nowrap;padding:3px 0}
      .notes-grid{grid-template-columns:1fr}.note-card{min-height:0}.process-step{grid-template-columns:54px 1fr;gap:15px}.process-step:not(:last-child):before{left:21px}.step-number{width:44px;height:44px;border-radius:13px}
      .cta{padding:17px 0 55px}.cta-box{display:block;padding:27px}.cta-box .btn{width:100%;margin-top:20px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block}.footer-bottom span+span{margin-top:5px}
    }
    @media (max-width:520px){
      .brand-name small{font-size:9px}.page-hero:after{display:none}.ui-card{grid-template-columns:1fr}.ui-play{min-height:112px}.faq-question{font-size:16px;padding:17px 0}.faq-answer{font-size:14px}.version-row{gap:6px}
    }

/* roulang page: category2 */
:root{
      --bg:#151714;
      --surface:#1d201a;
      --surface-2:#252920;
      --surface-3:#2c3028;
      --paper:#f4f2ea;
      --ink:#1b1d19;
      --lime:#b7f23a;
      --lime-bright:#c9ff54;
      --purple:#8376b8;
      --text:#e9e6dc;
      --muted:#b8bcae;
      --dim:#7f8677;
      --line:rgba(184,188,174,.2);
      --line-strong:rgba(183,242,58,.45);
      --orange:#ffb45b;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 16px 38px rgba(0,0,0,.18);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:radial-gradient(rgba(183,242,58,.16) .7px,transparent .7px);background-size:18px 18px;mask-image:linear-gradient(to bottom,#000,transparent 70%);z-index:-1}
    a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease}
    a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    button{font:inherit}
    img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:74px;position:sticky;top:0;z-index:50;background:rgba(21,23,20,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:0;font-weight:800;letter-spacing:-.03em;line-height:1.22}
    .brand-mark{width:35px;height:30px;border:2px solid var(--lime);border-radius:8px;display:grid;place-items:center;flex:none;position:relative}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
    .brand-mark:before{width:14px;height:3px}.brand-mark:after{width:3px;height:14px}
    .brand-name{font-size:14px;max-width:235px}.brand-name small{display:block;color:var(--lime);font-size:11px;letter-spacing:.12em;font-weight:700;margin-top:1px}
    .main-nav{display:flex;align-items:center;gap:5px}
    .main-nav a{font-size:14px;color:var(--muted);padding:8px 11px;border-radius:8px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--lime);background:rgba(183,242,58,.08)}
    .header-action,.btn-primary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 17px;border-radius:10px;background:var(--lime);color:#182014;font-size:14px;font-weight:800;border:1px solid transparent}
    .header-action:hover,.btn-primary:hover{background:var(--lime-bright);transform:translateY(-2px);box-shadow:0 10px 22px rgba(183,242,58,.16)}
    .menu-toggle{display:none;width:43px;height:40px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--text);cursor:pointer}
    .hero{position:relative;padding:70px 0 66px;overflow:hidden;border-bottom:1px solid var(--line)}
    .hero:after{content:"";position:absolute;width:560px;height:560px;border:1px solid rgba(183,242,58,.13);border-radius:50%;right:-220px;top:-270px;box-shadow:0 0 0 46px rgba(183,242,58,.025),0 0 0 94px rgba(183,242,58,.018);pointer-events:none}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:var(--dim);font-size:13px;margin-bottom:25px}
    .breadcrumb a:hover{color:var(--lime)}.breadcrumb span:last-child{color:var(--muted)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(32px,5vw,48px);line-height:1.2;letter-spacing:-.045em;font-weight:800;margin-bottom:20px;max-width:760px}
    h2{font-size:clamp(26px,3vw,34px);line-height:1.3;letter-spacing:-.04em;font-weight:800;margin-bottom:13px}
    h3{font-size:19px;line-height:1.4;font-weight:750;margin-bottom:9px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:14px}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);box-shadow:13px 0 0 rgba(183,242,58,.4)}
    .hero-copy>p{max-width:690px;color:var(--muted);font-size:17px;line-height:1.9;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:25px}
    .btn{min-height:47px;border-radius:11px;padding:0 20px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:15px;font-weight:800;cursor:pointer}
    .btn-secondary{color:var(--text);border:1px solid var(--line);background:rgba(255,255,255,.025)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .hero-note{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:13px}
    .hero-note span{display:inline-flex;align-items:center;gap:7px}.hero-note i{width:7px;height:7px;background:var(--lime);border-radius:50%}
    .download-panel{position:relative;z-index:2;background:var(--surface);border:1px solid var(--line-strong);border-radius:22px;padding:27px;box-shadow:var(--shadow)}
    .panel-top{display:flex;align-items:center;gap:15px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:21px}
    .app-icon{width:63px;height:63px;border-radius:17px;background:var(--lime);color:#182014;display:grid;place-items:center;font-weight:900;font-size:25px;box-shadow:inset 0 -5px 0 rgba(0,0,0,.12)}
    .panel-top strong{display:block;font-size:21px}.panel-top small{color:var(--muted);font-size:13px}
    .version-line{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px;margin-bottom:18px}.version-line b{color:var(--text);font-weight:600}
    .system-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:22px}
    .system-list div{padding:12px;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:13px}.system-list b{display:block;color:var(--text);font-size:14px}
    .download-main{width:100%;margin-bottom:15px}
    .panel-foot{display:flex;justify-content:space-between;gap:12px;color:var(--dim);font-size:12px}.panel-foot a{color:var(--lime)}.panel-foot a:hover{text-decoration:underline}
    .section{padding:82px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:31px}.section-heading p{margin:0;color:var(--muted);max-width:520px;font-size:15px}
    .light-section{background:var(--paper);color:var(--ink)}.light-section .section-heading p{color:#687064}
    .check-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .check-card{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:.2s}
    .check-card:hover{transform:translateY(-3px);border-color:var(--line-strong)}
    .check-number{width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--lime);border-radius:9px;color:var(--lime);font-weight:800;margin-bottom:17px}
    .check-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .process{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
    .process:before{content:"";position:absolute;top:22px;left:9%;right:9%;border-top:1px dashed rgba(131,118,184,.55)}
    .process-step{position:relative;padding:0 26px;text-align:center}.process-step:first-child{padding-left:0}.process-step:last-child{padding-right:0}
    .step-dot{width:45px;height:45px;border-radius:13px;background:var(--bg);border:1px solid var(--lime);color:var(--lime);display:grid;place-items:center;margin:0 auto 19px;position:relative;z-index:1;font-weight:800}
    .process-step p{color:var(--muted);font-size:14px;margin:0}.process-step h3{margin-bottom:7px}
    .install-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:58px;align-items:center}
    .device-board{min-height:380px;border:1px solid var(--line);border-radius:24px;background:var(--surface);padding:23px;position:relative;overflow:hidden}
    .device-board:before{content:"";position:absolute;inset:18px;border:1px solid rgba(183,242,58,.18);border-radius:17px}
    .ui-window{position:relative;z-index:1;background:#11130f;border:1px solid var(--line);border-radius:15px;padding:17px;margin:33px 22px 0;min-height:280px}
    .ui-bar{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:18px}.ui-bar b{color:var(--lime)}
    .ui-row{height:46px;background:var(--surface-2);border-radius:9px;margin:10px 0;padding:0 13px;display:flex;align-items:center;justify-content:space-between;font-size:13px}.ui-row span{color:var(--muted)}.ui-row strong{color:var(--text)}
    .ui-progress{height:7px;background:#34382f;border-radius:10px;margin:20px 0 8px;overflow:hidden}.ui-progress i{display:block;width:68%;height:100%;background:var(--lime);border-radius:10px}
    .install-copy p{color:var(--muted);font-size:16px}.feature-list{padding:0;margin:23px 0;list-style:none}.feature-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}.feature-list li:before{content:"✓";color:var(--lime);font-weight:800}
    .info-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}.info-card{padding:25px;border:1px solid rgba(27,29,25,.14);border-radius:var(--radius);background:#fffdf6}.info-card .mini-icon{color:#5c6489;font-size:23px;margin-bottom:14px}.info-card p{color:#687064;font-size:14px;margin:0}
    .faq-wrap{max-width:860px;margin:0 auto}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;padding:20px 4px;background:transparent;border:0;color:var(--text);display:flex;align-items:center;justify-content:space-between;text-align:left;font-size:16px;font-weight:700;cursor:pointer}.faq-question span{color:var(--lime);font-size:23px;transition:.2s}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 4px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
    .cta{padding:38px 42px;background:var(--lime);color:#182014;border-radius:20px;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:28px;margin-bottom:7px}.cta p{margin:0;color:#40502d;font-size:14px}.cta .btn{background:#182014;color:var(--lime);min-width:145px}.cta .btn:hover{background:#2b3824;transform:translateY(-2px)}
    .site-footer{padding:58px 0 23px;border-top:1px solid var(--line);background:#11130f}.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr;gap:45px;padding-bottom:42px}.footer-brand p{max-width:450px;color:var(--muted);font-size:14px;margin:18px 0 0}.footer-title{color:var(--text);font-weight:800;font-size:14px;margin:3px 0 14px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:7px 0}.footer-links a{color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--lime);padding-left:3px}.footer-bottom{border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:var(--dim);font-size:12px}
    @media(max-width:1023px){.hero{padding-top:52px}.install-layout{grid-template-columns:1fr;gap:35px}.device-board{max-width:620px}.main-nav{gap:0}.main-nav a{padding-left:8px;padding-right:8px}}
    @media(max-width:767px){.container{width:min(100% - 34px,var(--container))}.site-header{height:68px}.header-action{display:none}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#171914;border-bottom:1px solid var(--line);padding:12px 17px 17px;flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.main-nav a{padding:11px 12px}.hero{padding:43px 0 48px}.hero-copy>p{font-size:15px}.hero-actions .btn{width:100%}.hero-note{gap:9px;display:grid}.hero-note span{font-size:12px}.section{padding:59px 0}.section-heading{display:block;margin-bottom:23px}.section-heading p{margin-top:10px}.download-panel{padding:20px}.system-list,.check-grid,.info-grid{grid-template-columns:1fr}.process{display:block}.process:before{top:23px;bottom:23px;left:22px;right:auto;border-top:0;border-left:1px dashed rgba(131,118,184,.55)}.process-step{display:grid;grid-template-columns:45px 1fr;text-align:left;gap:17px;padding:0 0 28px}.process-step:last-child{padding-bottom:0}.step-dot{margin:0}.process-step h3{margin-top:2px}.process-step p{grid-column:2}.device-board{min-height:315px;padding:15px}.ui-window{margin:27px 9px 0;min-height:240px}.cta{display:block;padding:27px 24px}.cta .btn{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}}
    @media(max-width:520px){h1{font-size:31px}.brand-name{font-size:12px;max-width:185px}.hero-actions{margin-bottom:20px}.panel-top strong{font-size:18px}.version-line{display:block}.version-line b{display:block;margin-top:3px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{font-size:11px}}

/* roulang page: category3 */
:root{
      --bg:#151714;--surface:#1d201a;--surface-2:#252920;--surface-3:#2c3028;
      --paper:#f4f2ea;--ink:#1b1d19;--lime:#b7f23a;--lime-bright:#c9ff54;
      --purple:#8376b8;--text:#e9e6dc;--muted:#b8bcae;--dim:#7f8677;
      --line:rgba(184,188,174,.2);--line-strong:rgba(183,242,58,.45);
      --orange:#ffb45b;--radius:18px;--radius-sm:12px;--shadow:0 16px 38px rgba(0,0,0,.18);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.16;background-image:radial-gradient(rgba(183,242,58,.18) .7px,transparent .7px);background-size:18px 18px;mask-image:linear-gradient(to bottom,#000,transparent 72%)}
    a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease,box-shadow .2s ease}
    button{font:inherit} img{max-width:100%;display:block}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(183,242,58,.7);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:74px;position:sticky;top:0;z-index:50;background:rgba(21,23,20,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:0;font-weight:800;letter-spacing:-.03em;line-height:1.22}
    .brand-mark{width:35px;height:30px;border:2px solid var(--lime);border-radius:8px;display:grid;place-items:center;flex:none;position:relative}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
    .brand-mark:before{width:14px;height:3px}.brand-mark:after{width:3px;height:14px}
    .brand-name{font-size:14px;max-width:250px}.brand-name small{display:block;color:var(--lime);font-size:11px;letter-spacing:.12em;font-weight:700;margin-top:1px}
    .main-nav{display:flex;align-items:center;gap:5px}.main-nav a{font-size:14px;color:var(--muted);padding:8px 11px;border-radius:8px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--lime);background:rgba(183,242,58,.08)}
    .header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;font-weight:800;cursor:pointer}
    .header-action{min-height:40px;padding:0 15px;border-radius:10px;background:var(--lime);color:#182014;font-size:14px;white-space:nowrap}
    .header-action:hover,.btn-primary:hover{background:var(--lime-bright);transform:translateY(-2px);box-shadow:0 10px 22px rgba(183,242,58,.16)}
    .menu-toggle{display:none;width:43px;height:40px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--text);cursor:pointer}
    .menu-toggle span{display:block;width:17px;height:2px;background:currentColor;margin:4px auto;border-radius:2px}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;padding:24px 0 0;margin:0;color:var(--dim);font-size:13px}
    .breadcrumb a:hover{color:var(--lime)}.breadcrumb i{font-style:normal;color:var(--purple)}.breadcrumb strong{font-weight:600;color:var(--muted)}
    .page-hero{position:relative;padding:36px 0 62px;overflow:hidden;border-bottom:1px solid var(--line)}
    .page-hero:after{content:"";position:absolute;right:-80px;bottom:-170px;width:460px;height:460px;border:1px solid rgba(183,242,58,.15);border-radius:50%;box-shadow:0 0 0 48px rgba(183,242,58,.025),0 0 0 96px rgba(131,118,184,.04)}
    .hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:58px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:8px;height:8px;background:var(--lime);border-radius:2px;box-shadow:13px 0 0 rgba(183,242,58,.42)}
    h1,h2,h3,p{margin-top:0}h1{max-width:760px;margin:13px 0 18px;font-size:clamp(32px,4.1vw,46px);line-height:1.18;letter-spacing:-.05em;font-weight:800}
    h2{font-size:clamp(25px,3vw,33px);line-height:1.3;letter-spacing:-.04em;font-weight:800}
    h3{font-size:19px;line-height:1.45;font-weight:750}.hero-copy p{max-width:710px;margin-bottom:25px;color:var(--muted);font-size:17px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{min-height:47px;padding:0 19px;border-radius:11px;font-size:15px}
    .btn-primary{background:var(--lime);color:#182014}.btn-secondary{background:rgba(255,255,255,.025);border-color:var(--line);color:var(--text)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .hero-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
    .panel-top{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:13px;padding-bottom:14px;border-bottom:1px solid var(--line)}
    .pulse{width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(183,242,58,.1)}
    .panel-number{padding:20px 0 12px;font-size:42px;line-height:1;font-weight:800;color:var(--lime);letter-spacing:-.07em}
    .panel-desc{font-size:13px;line-height:1.7;color:var(--muted);margin:0}.panel-lines{display:grid;gap:9px;margin-top:18px}.panel-lines span{height:7px;border-radius:6px;background:var(--surface-3)}.panel-lines span:nth-child(2){width:77%;background:rgba(131,118,184,.6)}.panel-lines span:nth-child(3){width:52%;background:rgba(183,242,58,.45)}
    .section{padding:82px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:32px}.section-heading p{max-width:530px;margin:0;color:var(--muted);font-size:15px}
    .filter-bar{display:flex;gap:9px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:30px}
    .filter-tag{padding:7px 13px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px;font-weight:700}
    .filter-tag:hover,.filter-tag.active{border-color:var(--line-strong);color:var(--lime);background:rgba(183,242,58,.07)}
    .news-grid{display:grid;grid-template-columns:minmax(0,1.48fr) minmax(280px,.75fr);gap:28px;align-items:start}
    .featured-news{position:relative;overflow:hidden;min-height:405px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:28px;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow)}
    .featured-art{position:absolute;inset:0;opacity:.65;background:linear-gradient(155deg,rgba(131,118,184,.55),transparent 42%),linear-gradient(to top,#1d201a 7%,transparent 72%)}
    .featured-art:before{content:"";position:absolute;right:10%;top:11%;width:190px;height:132px;border:2px solid rgba(183,242,58,.65);border-radius:16px;background:repeating-linear-gradient(90deg,transparent 0 18px,rgba(183,242,58,.08) 18px 19px),rgba(21,23,20,.5);box-shadow:0 0 0 13px rgba(183,242,58,.05)}
    .featured-art:after{content:"";position:absolute;left:12%;top:27%;width:116px;height:13px;background:var(--lime);border-radius:3px;box-shadow:0 25px 0 rgba(233,230,220,.46),0 50px 0 rgba(233,230,220,.22)}
    .news-content{position:relative;z-index:1}.tag{display:inline-flex;border-radius:999px;padding:4px 10px;background:rgba(131,118,184,.27);border:1px solid rgba(131,118,184,.62);color:#d8d0ff;font-size:12px;font-weight:700;line-height:1.4}
    .tag.lime{background:rgba(183,242,58,.08);border-color:rgba(183,242,58,.38);color:var(--lime)}
    .news-date{font-size:13px;color:var(--muted)}.featured-news h2{max-width:650px;font-size:clamp(25px,3vw,33px);margin:13px 0 10px}.featured-news p{max-width:640px;color:var(--muted);margin-bottom:16px;font-size:15px}
    .text-link{display:inline-flex;align-items:center;gap:7px;color:var(--lime);font-weight:800;font-size:14px}.text-link:after{content:"→";transition:transform .2s}.text-link:hover:after{transform:translateX(4px)}
    .news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:72px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
    .date-box{color:var(--lime);font-size:12px;font-weight:800;line-height:1.35;padding-top:2px}.date-box b{display:block;font-size:25px;letter-spacing:-.06em}
    .news-item h3{font-size:17px;margin:7px 0 5px}.news-item h3 a:hover{color:var(--lime)}.news-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .reading-section{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .reading-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px}.reading-intro p{color:var(--muted);max-width:390px}.reading-list{display:grid;gap:0}
    .reading-row{display:grid;grid-template-columns:50px 1fr auto;gap:17px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}.reading-row:first-child{border-top:1px solid var(--line)}
    .reading-index{color:var(--purple);font-size:13px;font-weight:800}.reading-row h3{font-size:16px;margin:0}.reading-row h3 a:hover{color:var(--lime)}.reading-row span{font-size:12px;color:var(--dim);white-space:nowrap}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-card{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);min-height:205px}
    .guide-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}.guide-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:rgba(183,242,58,.1);border:1px solid rgba(183,242,58,.25);color:var(--lime);font-size:18px;font-weight:800;margin-bottom:17px}
    .guide-card h3{margin-bottom:8px}.guide-card p{color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:14px}
    .faq-wrap{max-width:900px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;border:0;background:transparent;color:var(--text);text-align:left;font-size:17px;font-weight:750;cursor:pointer}
    .faq-question b{color:var(--lime);font-size:23px;font-weight:400;transition:transform .2s}.faq-answer{display:none;padding:0 42px 20px 0;color:var(--muted);font-size:15px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question b{transform:rotate(45deg)}
    .cta{padding:0 0 82px}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:35px 38px;border-radius:var(--radius);background:var(--lime);color:var(--ink);position:relative;overflow:hidden}
    .cta-box:after{content:"";position:absolute;right:-35px;top:-90px;width:260px;height:260px;border:1px solid rgba(27,29,25,.2);border-radius:50%;box-shadow:0 0 0 38px rgba(27,29,25,.05)}.cta-box>div{position:relative;z-index:1}.cta-box h2{font-size:28px;margin:0 0 6px}.cta-box p{margin:0;font-size:15px;max-width:670px}.cta-box .btn{position:relative;z-index:1;background:var(--ink);color:var(--paper);white-space:nowrap}.cta-box .btn:hover{transform:translateY(-2px);background:#30342d}
    .site-footer{border-top:1px solid var(--line);background:#11130f;padding:58px 0 20px}.footer-grid{display:grid;grid-template-columns:1.45fr .7fr .7fr;gap:42px}.footer-brand p{max-width:470px;color:var(--muted);font-size:14px;margin:18px 0 0}.footer-title{color:var(--text);font-size:14px;font-weight:800;margin:0 0 12px}.footer-links{padding:0;margin:0;list-style:none}.footer-links li{margin:7px 0}.footer-links a{font-size:14px;color:var(--muted)}.footer-links a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:45px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--dim)}
    @media (max-width:1024px){.hero-layout{grid-template-columns:1fr 270px;gap:30px}.news-grid{grid-template-columns:1fr}.guide-grid{grid-template-columns:repeat(3,1fr)}}
    @media (max-width:768px){.container{width:min(var(--container),calc(100% - 34px))}.site-header{height:68px}.main-nav,.header-action{display:none}.menu-toggle{display:block}.site-header.menu-open{height:auto}.site-header.menu-open .header-inner{height:auto;min-height:68px;flex-wrap:wrap;padding:14px 0}.site-header.menu-open .main-nav{width:100%;display:grid;order:3;padding:12px 0 4px;border-top:1px solid var(--line)}.site-header.menu-open .main-nav a{padding:10px}.site-header.menu-open .header-action{display:inline-flex;margin-left:auto}.page-hero{padding-bottom:48px}.hero-layout{grid-template-columns:1fr;gap:28px}.hero-panel{max-width:370px}.section{padding:58px 0}.section-heading{display:block;margin-bottom:25px}.section-heading p{margin-top:10px}.reading-layout{grid-template-columns:1fr;gap:22px}.guide-grid{grid-template-columns:1fr}.cta{padding-bottom:58px}.cta-box{display:block;padding:30px}.cta-box .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}}
    @media (max-width:520px){body{font-size:15px}.container{width:calc(100% - 32px)}.brand-name{font-size:12px;max-width:185px}h1{font-size:31px}.hero-copy p{font-size:15px}.hero-panel{padding:19px}.filter-bar{gap:7px}.filter-tag{font-size:12px;padding:6px 10px}.featured-news{min-height:350px;padding:22px}.featured-news h2{font-size:25px}.news-item{grid-template-columns:54px 1fr;gap:12px}.date-box b{font-size:21px}.reading-row{grid-template-columns:38px 1fr}.reading-row span{display:none}.faq-question{font-size:15px;padding:18px 0}.faq-answer{padding-right:5px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:4px 0}}

/* 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}