/* roulang page: index */
:root{
  --bg:#171816;
  --bg-soft:#232622;
  --panel:#2a2d28;
  --panel-deep:#1d201c;
  --paper:#f5f3ec;
  --paper-soft:#eae8df;
  --ink:#1e211d;
  --muted:#aab0a1;
  --muted-dark:#657064;
  --lime:#b8e94b;
  --lime-dark:#8bb530;
  --orange:#ff7858;
  --line:rgba(245,243,236,.14);
  --line-dark:rgba(30,33,29,.13);
  --radius:18px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(0,0,0,.22);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--paper);font-family:var(--font);font-size:16px;line-height:1.7;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.17;background-image:radial-gradient(rgba(184,233,75,.35) .65px,transparent .8px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px);background-size:18px 18px,72px 72px,72px 72px}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease}
img{max-width:100%;display:block}
button{font:inherit}
button,a{outline:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
.container{width:min(1200px,calc(100% - 48px));margin:0 auto}
.section{padding:90px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
.kicker{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font:700 12px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase}
.kicker:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(184,233,75,.12)}
.section-title{margin:10px 0 0;font-size:clamp(28px,3.5vw,38px);line-height:1.2;letter-spacing:-.04em}
.section-intro{max-width:570px;margin:0;color:var(--muted);font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1.2;cursor:pointer}
.btn-primary{background:var(--lime);color:#182013;box-shadow:0 7px 0 rgba(107,144,35,.72)}
.btn-primary:hover{background:#cdf572;transform:translateY(-2px);box-shadow:0 9px 0 rgba(107,144,35,.72),0 10px 28px rgba(184,233,75,.12)}
.btn-primary:active{transform:translateY(3px);box-shadow:0 3px 0 rgba(107,144,35,.72)}
.btn-secondary{color:var(--paper);border-color:rgba(245,243,236,.42);background:rgba(255,255,255,.03)}
.btn-secondary:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
.arrow{font-size:20px;line-height:1}
.site-header{position:sticky;top:0;z-index:30;height:72px;border-bottom:1px solid var(--line);background:rgba(23,24,22,.92);backdrop-filter:blur(14px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:218px;font-size:17px;font-weight:900;letter-spacing:-.04em;line-height:1.2}
.brand-mark{display:grid;grid-template-columns:repeat(2,7px);gap:3px;width:29px;height:29px;padding:5px;border:1px solid rgba(184,233,75,.75);border-radius:8px;background:#20241b;box-shadow:inset 0 0 0 2px rgba(184,233,75,.08)}
.brand-mark i{display:block;border-radius:1px;background:var(--lime)}
.brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:var(--orange)}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{position:relative;padding:24px 12px 21px;color:#d8d9d1;font-size:14px;font-weight:700;white-space:nowrap}
.main-nav a:after{content:"";position:absolute;bottom:14px;left:50%;width:0;height:2px;border-radius:3px;background:var(--lime);transition:.2s}
.main-nav a:hover{color:var(--lime)}
.main-nav a:hover:after,.main-nav a.active:after{left:12px;width:calc(100% - 24px)}
.main-nav a.active{color:var(--lime)}
.header-action{min-width:112px;min-height:40px;padding:8px 14px;font-size:14px;border-radius:10px}
.menu-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--paper);font-size:21px;cursor:pointer}
.hero{position:relative;padding:76px 0 34px;overflow:hidden}
.hero:after{content:"";position:absolute;right:-180px;top:-200px;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(184,233,75,.11),transparent 67%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center}
.hero-copy{padding:22px 0}
.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:8px 11px;border:1px solid rgba(184,233,75,.35);border-radius:9px;background:rgba(184,233,75,.08);color:#dbeeb7;font:700 12px/1 var(--mono);letter-spacing:.06em}
.hero-badge b{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px var(--lime)}
.hero h1{max-width:680px;margin:20px 0 22px;font-size:clamp(38px,4.4vw,56px);line-height:1.14;letter-spacing:-.06em}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-text{max-width:638px;margin:0;color:#c9cdc2;font-size:17px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-info{display:flex;flex-wrap:wrap;gap:17px;margin-top:36px;padding-top:20px;border-top:1px solid var(--line);color:#bfc5b6;font-size:13px}
.hero-info span{display:inline-flex;align-items:center;gap:8px}.hero-info i{color:var(--lime);font-style:normal}
.emulator-stage{position:relative;min-height:435px;padding:20px;border:1px solid rgba(245,243,236,.15);border-radius:24px;background:linear-gradient(145deg,#343830,#1e211d 65%);box-shadow:var(--shadow),inset 0 1px rgba(255,255,255,.09)}
.emulator-stage:before{content:"";position:absolute;inset:11px;border:1px solid rgba(184,233,75,.12);border-radius:17px;pointer-events:none}
.window-bar{position:relative;display:flex;align-items:center;justify-content:space-between;padding:0 3px 15px;color:#bcc3b4;font:700 11px/1 var(--mono);letter-spacing:.08em}
.window-dots{display:flex;gap:6px}.window-dots i{width:8px;height:8px;border-radius:50%;background:#747a70}.window-dots i:first-child{background:var(--orange)}.window-dots i:last-child{background:var(--lime)}
.game-screen{position:relative;height:262px;padding:22px;overflow:hidden;border:8px solid #11130f;border-radius:14px;background:#171b15;box-shadow:inset 0 0 0 1px rgba(184,233,75,.34),inset 0 0 38px rgba(184,233,75,.07)}
.game-screen:before{content:"";position:absolute;inset:0;opacity:.25;background:repeating-linear-gradient(0deg,transparent 0 4px,rgba(255,255,255,.08) 5px 6px);pointer-events:none}
.screen-status{position:relative;display:flex;justify-content:space-between;color:var(--lime);font:700 10px/1 var(--mono);letter-spacing:.08em}
.pixel-layout{position:relative;display:grid;grid-template-columns:1.3fr .7fr;gap:13px;align-items:center;height:190px}
.pixel-card{height:132px;border:1px solid rgba(184,233,75,.4);border-radius:10px;background:linear-gradient(135deg,rgba(184,233,75,.2),rgba(184,233,75,.02));position:relative;overflow:hidden}
.pixel-card:before{content:"";position:absolute;width:86px;height:86px;left:27px;top:20px;background:linear-gradient(90deg,var(--lime) 0 28%,transparent 28% 37%,var(--orange) 37% 67%,transparent 67% 76%,var(--lime) 76%);clip-path:polygon(22% 0,78% 0,78% 17%,100% 17%,100% 82%,78% 82%,78% 100%,22% 100%,22% 82%,0 82%,0 17%,22% 17%)}
.pixel-card:after{content:"";position:absolute;right:12px;bottom:14px;width:59px;height:7px;background:rgba(245,243,236,.48);box-shadow:0 -16px 0 rgba(245,243,236,.19),0 -32px 0 rgba(245,243,236,.1)}
.screen-side{display:grid;gap:11px}.screen-side b{height:50px;border-radius:8px;background:rgba(245,243,236,.09);border-left:3px solid var(--orange)}.screen-side b:last-child{border-color:var(--lime);height:72px}
.control-row{display:flex;align-items:center;justify-content:space-between;padding:17px 5px 0}.dpad{position:relative;width:52px;height:52px}.dpad:before,.dpad:after{content:"";position:absolute;background:#6f756c;border-radius:4px}.dpad:before{width:18px;height:52px;left:17px}.dpad:after{width:52px;height:18px;top:17px}.action-buttons{display:flex;gap:10px}.action-buttons i{width:26px;height:26px;border-radius:50%;background:var(--orange);border:3px solid #ffab96;box-shadow:0 3px 0 #a8422e}.action-buttons i:last-child{background:var(--lime);border-color:#d9fb99;box-shadow:0 3px 0 #759c25}
.stage-label{position:absolute;right:-16px;bottom:46px;padding:8px 12px;border:1px solid rgba(245,243,236,.2);border-radius:10px;background:var(--panel-deep);color:#e9eadf;font:700 11px/1.2 var(--mono);box-shadow:var(--shadow)}
.quick-section{padding:26px 0 90px}
.quick-grid{display:grid;grid-template-columns:1.35fr .88fr;gap:16px}
.quick-main,.quick-small{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-deep)}
.quick-main{min-height:212px;padding:30px;background:linear-gradient(110deg,#2c3128,#1d201c)}
.quick-main:before,.quick-small:before{content:"";position:absolute;left:0;top:0;width:5px;height:100%;background:var(--lime)}
.quick-main:after{content:"";position:absolute;right:7%;bottom:-44px;width:170px;height:170px;border:17px solid rgba(184,233,75,.12);border-radius:50%}
.quick-side{display:grid;gap:16px}.quick-small{min-height:98px;padding:18px 22px}.quick-small:before{background:var(--orange);width:4px}
.panel-icon{display:grid;place-items:center;width:42px;height:42px;margin-bottom:20px;border:1px solid rgba(184,233,75,.4);border-radius:10px;color:var(--lime);font-size:20px}
.quick-small .panel-icon{float:left;width:34px;height:34px;margin:0 13px 0 0;border-color:rgba(255,120,88,.42);color:var(--orange);font-size:16px}
.quick-main h2,.quick-small h3{position:relative;margin:0;font-size:22px;line-height:1.25}.quick-small h3{font-size:16px}
.quick-main p,.quick-small p{position:relative;margin:8px 0 0;color:var(--muted);font-size:14px}.quick-small p{font-size:13px}
.text-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--lime);font-size:14px;font-weight:800}.text-link:hover{gap:13px;text-decoration:underline}
.games{background:var(--paper);color:var(--ink)}
.games .section-intro{color:var(--muted-dark)}
.game-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.feature-game,.mini-game{position:relative;overflow:hidden;border:1px solid var(--line-dark);border-radius:var(--radius);background:#fff;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.feature-game:hover,.mini-game:hover{transform:translateY(-4px);border-color:rgba(139,181,48,.6);box-shadow:0 17px 30px rgba(24,31,19,.12)}
.game-art{position:relative;overflow:hidden;background:#2c3428}.feature-game .game-art{height:262px}.mini-game .game-art{height:112px}
.game-art:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(184,233,75,.42),transparent 47%),repeating-linear-gradient(90deg,transparent 0 21px,rgba(255,255,255,.08) 22px 23px)}
.game-art:after{content:"";position:absolute;width:112px;height:112px;left:50%;top:50%;transform:translate(-50%,-50%);border:11px solid var(--lime);border-radius:19px;box-shadow:inset 0 0 0 11px #1c211a;clip-path:polygon(14% 0,86% 0,86% 15%,100% 15%,100% 85%,86% 85%,86% 100%,14% 100%,14% 85%,0 85%,0 15%,14% 15%)}
.art-orange{background:#453127}.art-orange:before{background:linear-gradient(135deg,rgba(255,120,88,.63),transparent 49%),repeating-linear-gradient(0deg,transparent 0 18px,rgba(255,255,255,.07) 19px 20px)}.art-orange:after{border-color:var(--orange);width:72px;height:72px;border-radius:50%;clip-path:none}
.art-blue{background:#293a39}.art-blue:before{background:linear-gradient(135deg,rgba(109,207,194,.45),transparent 48%),repeating-linear-gradient(90deg,transparent 0 15px,rgba(255,255,255,.08) 16px 17px)}.art-blue:after{border-color:#aee8dc;width:68px;height:68px;border-radius:8px;clip-path:none}
.game-content{padding:22px}.game-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:11px}.tag{display:inline-flex;padding:4px 8px;border-radius:6px;background:#e8f6ca;color:#466713;font-size:12px;font-weight:800;line-height:1.2}.tag.orange{background:#ffe1d8;color:#a8432c}.tag.gray{background:#e9ebe5;color:#556052}
.game-content h3{margin:0;font-size:23px;line-height:1.3}.game-content p{margin:9px 0 14px;color:#697164;font-size:14px}.game-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;color:#687063;font-size:13px}.game-bottom a{color:#324e12;font-weight:900}.game-bottom a:hover{text-decoration:underline}
.game-minis{display:grid;gap:18px}.mini-game{display:grid;grid-template-columns:128px 1fr}.mini-game .game-content{padding:16px}.mini-game h3{font-size:17px}.mini-game p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:13px}.mini-game .game-meta{margin-bottom:8px}
.process{position:relative}.process:before{content:"";position:absolute;left:0;right:0;top:191px;height:1px;background:repeating-linear-gradient(90deg,rgba(184,233,75,.6) 0 8px,transparent 8px 15px)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;padding:26px 20px 20px;border:1px solid var(--line);border-radius:15px;background:rgba(42,45,40,.62)}
.step-no{display:flex;align-items:center;justify-content:space-between;color:var(--lime);font:800 13px/1 var(--mono)}.step-no:after{content:"";width:9px;height:9px;border:2px solid var(--lime);border-radius:50%;background:var(--bg)}
.step-icon{display:grid;place-items:center;width:46px;height:46px;margin:21px 0 15px;border-radius:12px;background:rgba(184,233,75,.12);color:var(--lime);font-size:21px}
.step h3{margin:0;font-size:18px}.step p{margin:7px 0 0;color:var(--muted);font-size:14px}
.news{padding-top:70px}
.news-layout{display:grid;grid-template-columns:1.04fr .96fr;gap:18px}
.lead-story,.news-row{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-deep);overflow:hidden}
.lead-visual{height:194px;padding:21px;background:linear-gradient(135deg,#35452c,#1e241b);position:relative}.lead-visual:after{content:"PG";position:absolute;right:25px;bottom:-17px;color:rgba(184,233,75,.18);font:900 108px/1 var(--mono)}
.story-content{padding:23px}.story-meta,.row-meta{display:flex;align-items:center;gap:10px;color:#a9b0a2;font:12px/1.3 var(--mono)}.story-content h3{margin:13px 0 9px;font-size:24px;line-height:1.3}.story-content p{margin:0;color:#b8bdb2;font-size:14px}
.news-stack{display:grid;gap:12px}.news-row{display:grid;grid-template-columns:8px 1fr;padding:17px 18px;transition:border-color .2s,transform .2s}.news-row:hover{border-color:rgba(184,233,75,.65);transform:translateX(3px)}.news-row:before{content:"";width:3px;border-radius:5px;background:var(--lime)}.news-row:nth-child(2):before{background:var(--orange)}.row-inner{padding-left:13px}.row-inner h3{margin:8px 0 4px;font-size:16px;line-height:1.4}.row-inner p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;color:#abb2a5;font-size:13px;line-height:1.55}.empty-news{grid-column:1/-1;padding:48px 24px;border:1px dashed rgba(184,233,75,.36);border-radius:var(--radius);background:rgba(42,45,40,.5);text-align:center;color:#b8c0b3}.empty-icon{display:grid;place-items:center;width:55px;height:55px;margin:0 auto 14px;border:1px solid var(--line);border-radius:14px;color:var(--lime);font-size:24px}.empty-news p{margin:0 0 16px}
.download{padding:42px 0 90px}.download-panel{display:grid;grid-template-columns:.82fr 1.18fr;gap:50px;align-items:center;padding:42px;overflow:hidden;border-radius:var(--radius-lg);background:var(--paper);color:var(--ink);position:relative}.download-panel:after{content:"";position:absolute;width:360px;height:360px;right:-160px;top:-220px;border:35px solid rgba(184,233,75,.19);border-radius:50%;pointer-events:none}
.device-wrap{display:flex;justify-content:center;position:relative}.device{width:220px;height:372px;padding:13px;border:8px solid #282b26;border-radius:31px;background:#11130f;box-shadow:10px 14px 0 #c9cdc2;position:relative}.device:before{content:"";position:absolute;left:50%;top:7px;width:52px;height:5px;transform:translateX(-50%);border-radius:10px;background:#3e443b}.device-screen{height:100%;padding:23px 13px;border-radius:18px;background:linear-gradient(155deg,#425335,#1f271d);overflow:hidden}.device-screen b{display:block;color:var(--lime);font:800 11px var(--mono);letter-spacing:.1em}.device-screen h4{margin:39px 0 9px;color:#f5f3ec;font-size:22px;line-height:1.1}.device-screen i{display:block;width:92px;height:92px;margin:18px auto;border:8px solid var(--lime);border-radius:18px;position:relative}.device-screen i:after{content:"▶";position:absolute;left:27px;top:21px;color:var(--lime);font-style:normal;font-size:26px}.device-screen span{display:block;height:10px;margin-top:14px;border-radius:9px;background:rgba(245,243,236,.2)}.device-screen span:last-child{width:60%;background:var(--orange)}
.download-copy{position:relative;z-index:1}.download-copy h2{margin:10px 0 13px;font-size:clamp(29px,3vw,39px);line-height:1.2;letter-spacing:-.04em}.download-copy>p{max-width:600px;margin:0;color:#566054}.compatibility{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.compatibility span{padding:5px 9px;border:1px solid #cbd2c3;border-radius:7px;background:#fff;color:#516048;font:700 12px/1.2 var(--mono)}.download-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}.download-actions .btn-secondary{color:#2c3329;border-color:#9da694}.download-actions .btn-secondary:hover{color:#466d12;border-color:var(--lime)}.notice{margin:20px 0 0;padding:11px 13px;border-left:3px solid var(--orange);background:#fff1ec;color:#6f574e;font-size:13px;line-height:1.65}
.faq{padding-top:0}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 18px}.faq-item{border:1px solid var(--line);border-radius:13px;background:rgba(42,45,40,.55);overflow:hidden}.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px 19px;list-style:none;font-size:16px;font-weight:800;cursor:pointer}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--lime);font:400 24px/1 var(--mono);transition:transform .2s}.faq-item[open] summary{border-bottom:1px solid var(--line)}.faq-item[open] summary:after{transform:rotate(45deg)}.faq-item p{margin:0;padding:15px 19px 19px;color:#b9c0b3;font-size:14px;line-height:1.75}
.closing{padding:35px 0 90px}.closing-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:35px 40px;border:1px solid rgba(184,233,75,.4);border-radius:var(--radius-lg);background:linear-gradient(110deg,#2d3823,#1d211b)}.closing-box h2{max-width:660px;margin:8px 0 0;font-size:clamp(25px,3vw,34px);line-height:1.25}.closing-box .hero-actions{margin:0;flex-shrink:0}
.site-footer{border-top:3px solid var(--lime);background:#10110f;color:#c6cbc0}.footer-top{display:grid;grid-template-columns:1.35fr repeat(3,.8fr);gap:35px;padding:54px 0 36px}.footer-brand p{max-width:340px;margin:15px 0 0;color:#929a8e;font-size:14px}.footer-col h3{margin:0 0 14px;color:var(--paper);font-size:14px}.footer-col a{display:block;margin:8px 0;color:#949c90;font-size:13px}.footer-col a:hover{color:var(--lime);text-decoration:underline}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:19px 0;border-top:1px solid var(--line);color:#798176;font:12px/1.5 var(--mono)}.footer-bottom span:last-child{color:#9da697}
@media (max-width:1024px){.container{width:min(100% - 38px,1200px)}.main-nav a{padding-left:8px;padding-right:8px}.hero-grid{gap:32px}.emulator-stage{min-height:400px}.section{padding:72px 0}.download-panel{gap:26px;padding:32px}.footer-top{grid-template-columns:1.35fr repeat(2,1fr)}}
@media (max-width:820px){.site-header{height:64px}.brand{min-width:0;font-size:15px}.main-nav{display:none}.header-action{margin-left:auto}.menu-toggle{display:block}.hero{padding-top:52px}.hero-grid,.game-layout,.news-layout,.download-panel{grid-template-columns:1fr}.hero-copy{padding-top:0}.emulator-stage{max-width:620px;width:100%;margin:0 auto}.quick-grid{grid-template-columns:1fr}.quick-side{grid-template-columns:1fr 1fr}.steps{grid-template-columns:repeat(2,1fr)}.process:before{display:none}.faq-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1.4fr 1fr 1fr}.footer-col:last-child{grid-column:2}.download-panel{padding:32px}.device-wrap{order:2}.download-copy{order:1}}
@media (max-width:560px){.container{width:calc(100% - 30px)}.site-header{height:60px}.brand{max-width:225px;font-size:14px}.brand-mark{width:26px;height:26px}.header-action{display:none}.hero{padding:40px 0 22px}.hero h1{font-size:34px}.hero-text{font-size:16px}.hero-actions,.download-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.hero-info{display:grid;gap:10px}.emulator-stage{min-height:370px;padding:14px}.game-screen{height:230px}.pixel-layout{height:165px}.stage-label{right:8px;bottom:29px}.quick-section{padding-bottom:60px}.quick-side{grid-template-columns:1fr}.quick-main{min-height:190px}.section{padding:58px 0}.section-head{display:block;margin-bottom:24px}.section-intro{margin-top:14px}.feature-game .game-art{height:205px}.mini-game{grid-template-columns:105px 1fr}.mini-game .game-art{height:100%}.steps{grid-template-columns:1fr;gap:12px}.step{padding:18px}.step-icon{margin:14px 0 10px}.news{padding-top:50px}.download{padding:28px 0 60px}.download-panel{padding:26px 20px;gap:25px}.device{width:182px;height:315px}.download-copy h2{font-size:29px}.closing{padding-bottom:60px}.closing-box{display:block;padding:28px 22px}.closing-box .hero-actions{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr;gap:27px 20px;padding-top:40px}.footer-brand{grid-column:1/-1}.footer-col:last-child{grid-column:auto}.footer-bottom{align-items:flex-start;flex-direction:column}.menu-toggle{width:39px}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: article */
:root{
  --bg:#171816;
  --bg-soft:#232622;
  --panel:#2a2d28;
  --panel-deep:#1d201c;
  --paper:#f5f3ec;
  --paper-soft:#eae8df;
  --ink:#1e211d;
  --muted:#aab0a1;
  --muted-dark:#657064;
  --lime:#b8e94b;
  --lime-dark:#8bb530;
  --orange:#ff7858;
  --line:rgba(245,243,236,.14);
  --line-dark:rgba(30,33,29,.13);
  --radius:18px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(0,0,0,.22);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--paper);font-family:var(--font);font-size:16px;line-height:1.75;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.16;background-image:radial-gradient(rgba(184,233,75,.32) .65px,transparent .8px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px);background-size:18px 18px,72px 72px,72px 72px}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease}
a:hover{color:inherit}
img{display:block;max-width:100%;height:auto}
button{font:inherit}
button,a,summary{outline:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
.container{width:min(1200px,calc(100% - 48px));margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1.2;cursor:pointer}
.btn-primary{color:#182013;background:var(--lime);box-shadow:0 7px 0 rgba(107,144,35,.72)}
.btn-primary:hover{color:#182013;background:#cef476;transform:translateY(-2px);box-shadow:0 9px 0 rgba(107,144,35,.72),0 10px 28px rgba(184,233,75,.12)}
.btn-primary:active{transform:translateY(3px);box-shadow:0 3px 0 rgba(107,144,35,.72)}
.btn-secondary{color:var(--paper);border-color:rgba(245,243,236,.42);background:rgba(255,255,255,.03)}
.btn-secondary:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
.site-header{position:sticky;top:0;z-index:30;height:72px;border-bottom:1px solid var(--line);background:rgba(23,24,22,.92);backdrop-filter:blur(14px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:218px;font-size:17px;font-weight:900;letter-spacing:-.04em;line-height:1.2}
.brand:hover{color:var(--lime)}
.brand-mark{display:grid;grid-template-columns:repeat(2,7px);gap:3px;width:29px;height:29px;padding:5px;border:1px solid rgba(184,233,75,.75);border-radius:8px;background:#20241b;box-shadow:inset 0 0 0 2px rgba(184,233,75,.08)}
.brand-mark i{display:block;border-radius:1px;background:var(--lime)}
.brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:var(--orange)}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{position:relative;padding:24px 12px 21px;color:#d8d9d1;font-size:14px;font-weight:700;white-space:nowrap}
.main-nav a:after{content:"";position:absolute;bottom:14px;left:50%;width:0;height:2px;border-radius:3px;background:var(--lime);transition:.2s}
.main-nav a:hover{color:var(--lime)}
.main-nav a:hover:after,.main-nav a.active:after{left:12px;width:calc(100% - 24px)}
.main-nav a.active{color:var(--lime)}
.header-action{min-width:112px;min-height:40px;padding:8px 14px;font-size:14px;border-radius:10px}
.menu-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--paper);font-size:21px;cursor:pointer}
.mobile-menu{display:none}
.article-hero{position:relative;padding:58px 0 52px;overflow:hidden}
.article-hero:before{content:"";position:absolute;right:-120px;top:-180px;width:530px;height:530px;border-radius:50%;background:radial-gradient(circle,rgba(184,233,75,.12),transparent 67%)}
.article-hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--lime),transparent);opacity:.55}
.article-hero-inner{position:relative;max-width:990px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid rgba(184,233,75,.35);border-radius:9px;background:rgba(184,233,75,.08);color:#e0efc0;font:700 12px/1 var(--mono);letter-spacing:.05em}
.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px var(--lime)}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:7px;margin:20px 0 14px;color:#bfc5b6;font-size:13px}
.breadcrumb a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{color:var(--orange)}
.breadcrumb .current{max-width:min(480px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#e6e6dc}
.article-hero h1{max-width:920px;margin:0;font-size:clamp(34px,4vw,48px);line-height:1.2;letter-spacing:-.055em;font-weight:900}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:24px;color:#b9c0b0;font-size:13px}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{font-style:normal;color:var(--lime)}
.category-tag{padding:5px 9px;border:1px solid rgba(255,120,88,.52);border-radius:7px;background:rgba(255,120,88,.1);color:#ffc2b3;font-weight:800}
.article-shell{padding:64px 0 90px;background:linear-gradient(180deg,transparent 0,#1b1d19 100%)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:32px;align-items:start}
.article-content{min-width:0;padding:clamp(26px,4vw,48px);border:1px solid rgba(30,33,29,.12);border-radius:var(--radius-lg);background:var(--paper);color:var(--ink);box-shadow:var(--shadow)}
.article-content>*:first-child{margin-top:0}
.article-content h2{margin:52px 0 18px;padding-bottom:12px;border-bottom:1px solid var(--line-dark);font-size:clamp(25px,3vw,33px);line-height:1.28;font-weight:900;letter-spacing:-.04em}
.article-content h3{margin:34px 0 14px;font-size:22px;line-height:1.38;font-weight:900}
.article-content p{margin:0 0 20px;font-size:17px;line-height:1.92;color:#343931}
.article-content a{color:#507c13;font-weight:750;text-decoration:underline;text-decoration-color:rgba(80,124,19,.35);text-underline-offset:4px}
.article-content a:hover{color:#2e5900;text-decoration-color:#2e5900}
.article-content ul,.article-content ol{margin:0 0 22px;padding-left:1.45em;color:#343931}
.article-content li{padding-left:4px;margin:8px 0}
.article-content blockquote{margin:28px 0;padding:17px 20px;border-left:4px solid var(--lime-dark);border-radius:0 12px 12px 0;background:#e8f1d6;color:#35411c;font-weight:650}
.article-content img{margin:28px auto;border-radius:14px;border:1px solid rgba(30,33,29,.12)}
.article-content figure{margin:28px 0}
.article-content figcaption{margin-top:9px;color:var(--muted-dark);text-align:center;font-size:13px}
.article-content table{display:block;width:100%;margin:28px 0;overflow-x:auto;border-collapse:separate;border-spacing:0;border:1px solid var(--line-dark);border-radius:12px;background:#fff}
.article-content th,.article-content td{min-width:120px;padding:12px 15px;border-right:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);text-align:left;vertical-align:top}
.article-content th{background:#edf0e7;font-weight:900}
.article-content tr:last-child td{border-bottom:0}
.article-content th:last-child,.article-content td:last-child{border-right:0}
.article-content pre{margin:24px 0;padding:18px;overflow:auto;border-radius:12px;background:#20231f;color:#e4ead8;font-family:var(--mono);font-size:13px}
.article-content code{font-family:var(--mono);font-size:.9em}
.notice{display:flex;gap:12px;margin:30px 0;padding:17px;border:1px solid rgba(184,233,75,.42);border-radius:14px;background:#edf6d8;color:#334019}
.notice strong{display:block;margin-bottom:3px}
.empty-content{text-align:center;padding:48px 16px}
.empty-icon{display:grid;place-items:center;width:66px;height:66px;margin:0 auto 18px;border:1px solid rgba(184,233,75,.45);border-radius:17px;background:#272b24;color:var(--lime);font-size:28px}
.empty-content h2{margin:0 0 10px;border:0;padding:0;font-size:28px}
.empty-content p{margin-bottom:24px;color:#566051}
.article-aside{position:sticky;top:96px;display:grid;gap:16px}
.aside-card{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(49,53,46,.9),rgba(31,34,29,.94));box-shadow:0 12px 32px rgba(0,0,0,.12)}
.aside-card h2{margin:0 0 13px;font-size:16px;font-weight:900}
.toc-list{margin:0;padding:0;list-style:none}
.toc-list li+li{border-top:1px solid rgba(245,243,236,.1)}
.toc-list a{display:block;padding:10px 0;color:#c7ccbf;font-size:14px}
.toc-list a:hover{padding-left:4px;color:var(--lime)}
.aside-links{display:grid;gap:9px}
.aside-links a{display:flex;align-items:center;justify-content:space-between;padding:10px 11px;border:1px solid rgba(245,243,236,.12);border-radius:10px;color:#d9ddd2;font-size:14px;font-weight:700}
.aside-links a:hover{border-color:var(--lime);color:var(--lime);transform:translateX(2px)}
.download-mini{border-color:rgba(184,233,75,.33);background:linear-gradient(145deg,#353b28,#20241d)}
.download-mini p{margin:7px 0 16px;color:#c3cbb5;font-size:13px;line-height:1.65}
.download-mini .btn{width:100%;min-height:42px;font-size:14px}
.continue-section{margin-top:32px;padding-top:30px;border-top:1px solid var(--line-dark)}
.continue-section h2{margin:0 0 18px;padding:0;border:0;font-size:26px}
.continue-feature{display:flex;align-items:center;gap:20px;padding:19px;border:1px solid var(--line-dark);border-radius:16px;background:#eff0e8}
.continue-screen{display:grid;place-items:center;flex:0 0 92px;width:92px;height:70px;border:1px solid #92ad55;border-radius:10px;background:linear-gradient(135deg,#2d3622,#657541);color:var(--lime);font-size:26px}
.continue-feature h3{margin:0 0 4px;font-size:18px}
.continue-feature p{margin:0;color:#566051;font-size:14px;line-height:1.65}
.continue-links{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:13px}
.continue-links a{padding:13px 14px;border-bottom:1px solid #a1ad91;background:#f1f2eb;text-decoration:none!important}
.continue-links a:hover{background:#e2ebca}
.feedback{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:35px;padding:18px 0 0;border-top:1px solid var(--line-dark)}
.feedback p{margin:0;font-size:14px;color:#596252}
.feedback-actions{display:flex;gap:8px}
.feedback button{padding:8px 12px;border:1px solid #c5cbbc;border-radius:9px;background:#fff;color:#36402f;font-size:13px;font-weight:800;cursor:pointer;transition:.2s}
.feedback button:hover,.feedback button.active{border-color:var(--lime-dark);background:#ecf5d8;color:#334414}
.faq-section{padding:76px 0 86px}
.section-kicker{color:var(--lime);font:800 12px/1 var(--mono);letter-spacing:.09em}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head h2{margin:10px 0 0;font-size:clamp(28px,3.5vw,38px);line-height:1.2;letter-spacing:-.04em;font-weight:900}
.section-head p{max-width:510px;margin:0;color:var(--muted);font-size:15px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.faq-item{border:1px solid var(--line);border-radius:13px;background:rgba(42,45,40,.72);overflow:hidden}
.faq-item summary{position:relative;padding:17px 48px 17px 18px;cursor:pointer;color:#f1f1e9;font-size:16px;font-weight:800;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:18px;top:13px;color:var(--lime);font-size:25px;font-weight:400;transition:.2s}
.faq-item[open] summary:after{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 18px 18px;color:#bdc4b4;font-size:14px;line-height:1.75}
.site-footer{border-top:2px solid var(--lime);background:#111210}
.footer-top{display:grid;grid-template-columns:1.55fr repeat(3,1fr);gap:38px;padding:55px 0 38px}
.footer-brand p{max-width:355px;margin:16px 0 0;color:#aab0a1;font-size:14px;line-height:1.75}
.footer-col h3{margin:0 0 13px;color:#f4f3eb;font-size:15px;font-weight:900}
.footer-col a{display:block;width:max-content;max-width:100%;margin:8px 0;color:#aab0a1;font-size:14px}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid var(--line);color:#80877b;font:12px/1.5 var(--mono)}
@media(max-width:1024px){
  .brand{min-width:auto}
  .main-nav a{padding-left:9px;padding-right:9px}
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:22px}
  .article-content{padding:32px}
}
@media(max-width:820px){
  .site-header{height:64px}
  .main-nav,.header-action{display:none}
  .menu-toggle{display:inline-grid;place-items:center}
  .mobile-menu{position:fixed;inset:64px 0 auto 0;z-index:29;display:block;max-height:0;overflow:hidden;border-bottom:1px solid var(--line);background:#1d201c;transition:max-height .28s ease}
  .mobile-menu.open{max-height:420px}
  .mobile-menu-inner{display:grid;gap:4px;padding:17px 24px 22px}
  .mobile-menu a{padding:11px 0;border-bottom:1px solid rgba(245,243,236,.09);font-weight:800}
  .mobile-menu a:hover,.mobile-menu a.active{color:var(--lime)}
  .mobile-menu .btn{margin-top:8px}
  .article-hero{padding:44px 0 40px}
  .article-layout{grid-template-columns:1fr}
  .article-aside{position:static;grid-template-columns:1fr 1fr;align-items:start}
  .article-aside .download-mini{grid-column:1/-1}
  .footer-top{grid-template-columns:1.3fr 1fr 1fr}
  .footer-col:last-child{grid-column:2/4}
}
@media(max-width:620px){
  .container{width:min(100% - 32px,1200px)}
  .article-hero h1{font-size:34px}
  .breadcrumb .current{max-width:210px}
  .article-meta{gap:8px 13px}
  .article-shell{padding:38px 0 56px}
  .article-content{padding:23px 19px;border-radius:18px}
  .article-content p{font-size:16px;line-height:1.88}
  .article-content h2{margin-top:38px;font-size:26px}
  .article-content h3{font-size:20px}
  .article-aside{grid-template-columns:1fr}
  .article-aside .download-mini{grid-column:auto}
  .continue-feature{align-items:flex-start}
  .continue-links{grid-template-columns:1fr}
  .feedback{align-items:flex-start;flex-direction:column}
  .faq-grid{grid-template-columns:1fr}
  .section-head{display:block}
  .section-head p{margin-top:13px}
  .footer-top{grid-template-columns:1fr 1fr;gap:27px 20px;padding:40px 0 27px}
  .footer-brand{grid-column:1/-1}
  .footer-col:last-child{grid-column:auto}
  .footer-bottom{align-items:flex-start;flex-direction:column;gap:6px}
}
@media(max-width:420px){
  .article-hero h1{font-size:30px}
  .article-content{padding:21px 16px}
  .continue-feature{gap:14px}
  .continue-screen{flex-basis:66px;width:66px;height:58px}
  .footer-top{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}

/* roulang page: category1 */
:root{
      --bg:#171816;
      --bg-soft:#232622;
      --panel:#2a2d28;
      --panel-deep:#1d201c;
      --paper:#f5f3ec;
      --paper-soft:#eae8df;
      --ink:#1e211d;
      --muted:#aab0a1;
      --muted-dark:#657064;
      --lime:#b8e94b;
      --lime-dark:#8bb530;
      --orange:#ff7858;
      --line:rgba(245,243,236,.14);
      --line-dark:rgba(30,33,29,.13);
      --radius:18px;
      --radius-lg:26px;
      --shadow:0 18px 50px rgba(0,0,0,.22);
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--paper);font-family:var(--font);font-size:16px;line-height:1.7;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.17;background-image:radial-gradient(rgba(184,233,75,.35) .65px,transparent .8px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px);background-size:18px 18px,72px 72px,72px 72px}
    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,a{outline:none}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .section{padding:88px 0}
    .section-kicker{display:flex;align-items:center;gap:9px;color:var(--lime);font:800 12px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}
    .section-kicker:before{content:"";width:9px;height:9px;border-radius:2px;background:var(--orange);box-shadow:14px 0 0 rgba(184,233,75,.62)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
    .section-title{margin:11px 0 0;font-size:clamp(28px,3.5vw,38px);line-height:1.22;letter-spacing:-.045em}
    .section-intro{max-width:570px;margin:0;color:var(--muted);font-size:16px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1.2;cursor:pointer}
    .btn-primary{background:var(--lime);color:#182013;box-shadow:0 7px 0 rgba(107,144,35,.72)}
    .btn-primary:hover{background:#cdf572;transform:translateY(-2px);box-shadow:0 9px 0 rgba(107,144,35,.72),0 10px 28px rgba(184,233,75,.12)}
    .btn-primary:active{transform:translateY(3px);box-shadow:0 3px 0 rgba(107,144,35,.72)}
    .btn-secondary{color:var(--paper);border-color:rgba(245,243,236,.42);background:rgba(255,255,255,.03)}
    .btn-secondary:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
    .arrow{font-size:20px;line-height:1}
    .site-header{position:sticky;top:0;z-index:30;height:72px;border-bottom:1px solid var(--line);background:rgba(23,24,22,.92);backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;min-width:218px;font-size:17px;font-weight:900;letter-spacing:-.04em;line-height:1.2}
    .brand-mark{display:grid;grid-template-columns:repeat(2,7px);gap:3px;width:29px;height:29px;padding:5px;border:1px solid rgba(184,233,75,.75);border-radius:8px;background:#20241b;box-shadow:inset 0 0 0 2px rgba(184,233,75,.08)}
    .brand-mark i{display:block;border-radius:1px;background:var(--lime)}
    .brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{position:relative;padding:24px 12px 21px;color:#d8d9d1;font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:after{content:"";position:absolute;bottom:14px;left:50%;width:0;height:2px;border-radius:3px;background:var(--lime);transition:.2s}
    .main-nav a:hover{color:var(--lime)}
    .main-nav a:hover:after,.main-nav a.active:after{left:12px;width:calc(100% - 24px)}
    .main-nav a.active{color:var(--lime)}
    .header-action{min-width:112px;min-height:40px;padding:8px 14px;font-size:14px;border-radius:10px}
    .menu-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--paper);font-size:21px;cursor:pointer}

    .category-hero{position:relative;padding:54px 0 62px;overflow:hidden}
    .category-hero:after{content:"";position:absolute;right:-130px;top:-170px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(184,233,75,.13),transparent 68%);pointer-events:none}
    .crumbs{position:relative;z-index:1;display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:26px;color:#b5bbae;font-size:13px}
    .crumbs a:hover{color:var(--lime)}
    .crumbs span{color:var(--lime);font-family:var(--mono)}
    .category-window{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:36px;align-items:center;padding:32px 36px;border:1px solid rgba(245,243,236,.16);border-radius:var(--radius-lg);background:linear-gradient(135deg,rgba(52,56,48,.96),rgba(29,32,28,.96));box-shadow:var(--shadow),inset 0 1px rgba(255,255,255,.08)}
    .window-bar{display:flex;align-items:center;gap:7px;margin-bottom:24px;color:var(--muted);font:700 11px/1 var(--mono);letter-spacing:.08em}
    .window-dot{width:8px;height:8px;border-radius:50%;background:var(--orange)}
    .window-dot:nth-child(2){background:var(--lime)}
    .window-dot:nth-child(3){background:#b9bdb2}
    .category-window h1{max-width:760px;margin:0;font-size:clamp(34px,4.4vw,50px);line-height:1.15;letter-spacing:-.06em}
    .category-window h1 em{font-style:normal;color:var(--lime)}
    .category-window p{max-width:720px;margin:18px 0 0;color:#c7ccc0;font-size:16px;line-height:1.85}
    .screen-art{position:relative;min-height:198px;padding:16px;border:1px solid rgba(184,233,75,.32);border-radius:18px;background:#171a16;overflow:hidden}
    .screen-art:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0,transparent 5px,rgba(245,243,236,.028) 6px);pointer-events:none}
    .screen-head{position:relative;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font:700 10px/1 var(--mono);letter-spacing:.07em}
    .screen-status{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px var(--lime)}
    .pixel-shape{position:relative;width:118px;height:118px;margin:22px auto 0;background:linear-gradient(90deg,var(--lime) 0 25%,transparent 25% 34%,var(--orange) 34% 66%,transparent 66% 75%,var(--lime) 75%);clip-path:polygon(28% 0,72% 0,72% 14%,100% 14%,100% 86%,72% 86%,72% 100%,28% 100%,28% 86%,0 86%,0 14%,28% 14%);filter:drop-shadow(0 0 16px rgba(184,233,75,.24))}
    .filter-panel{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}
    .filter-label{margin-right:3px;color:#b8c0b0;font-size:13px;font-weight:700}
    .tag{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid rgba(245,243,236,.18);border-radius:9px;background:rgba(255,255,255,.035);color:#dde0d7;font-size:13px;font-weight:700}
    .tag:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--lime)}
    .tag.orange:before{background:var(--orange)}

    .guide-strip{position:relative;margin-top:-25px;z-index:3}
    .guide-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:1px;border:1px solid var(--line);border-radius:16px;background:var(--line);overflow:hidden}
    .guide-item{display:flex;gap:13px;align-items:center;padding:20px 23px;background:#222520}
    .guide-item strong{display:block;font-size:15px}
    .guide-item span{display:block;color:#aeb5a7;font-size:13px;line-height:1.5}
    .guide-icon{flex:0 0 auto;display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:rgba(184,233,75,.12);color:var(--lime);font-size:18px}

    .content-zone{background:var(--paper);color:var(--ink)}
    .content-zone .section-intro{color:var(--muted-dark)}
    .content-zone .section-kicker{color:#65851c}
    .trial-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
    .trial-list{border-top:1px solid var(--line-dark)}
    .trial-item{display:grid;grid-template-columns:104px minmax(0,1fr) 128px;gap:24px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line-dark)}
    .trial-item.featured{grid-template-columns:230px minmax(0,1fr);margin-top:22px;padding:0;border:1px solid rgba(30,33,29,.12);border-radius:20px;background:#fffefa;overflow:hidden;box-shadow:0 10px 26px rgba(30,33,29,.06)}
    .trial-date{font:800 12px/1.45 var(--mono);letter-spacing:.04em;color:#687263}
    .trial-date b{display:block;margin-top:4px;color:#253021;font-size:25px;line-height:1}
    .trial-cover{position:relative;min-height:172px;overflow:hidden;background:linear-gradient(135deg,#253025,#151a15)}
    .trial-cover:before{content:"";position:absolute;width:112px;height:112px;left:50%;top:50%;background:linear-gradient(90deg,var(--lime) 0 26%,transparent 26% 35%,var(--orange) 35% 65%,transparent 65% 74%,var(--lime) 74%);clip-path:polygon(26% 0,74% 0,74% 18%,100% 18%,100% 82%,74% 82%,74% 100%,26% 100%,26% 82%,0 82%,0 18%,26% 18%);transform:translate(-50%,-50%);opacity:.94}
    .trial-cover:after{content:"";position:absolute;inset:10px;border:1px solid rgba(184,233,75,.22);border-radius:12px}
    .cover-mini{position:relative;width:78px;height:78px;border:1px solid rgba(30,33,29,.1);border-radius:13px;background:linear-gradient(135deg,#d7ebaa,#f0efe6);overflow:hidden}
    .cover-mini:before{content:"";position:absolute;width:49px;height:49px;left:15px;top:14px;background:linear-gradient(90deg,#789e2d 0 29%,transparent 29% 38%,var(--orange) 38% 66%,transparent 66% 75%,#789e2d 75%);clip-path:polygon(23% 0,77% 0,77% 17%,100% 17%,100% 83%,77% 83%,77% 100%,23% 100%,23% 83%,0 83%,0 17%,23% 17%)}
    .item-body{min-width:0}
    .item-meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:8px;color:#6a7467;font-size:12px;font-weight:700}
    .item-meta .label{padding:4px 8px;border-radius:6px;background:#e3f3c0;color:#55751c}
    .item-meta .label.orange{background:#ffe0d8;color:#b64c36}
    .item-body h2,.item-body h3{margin:0;color:#20251f;font-size:clamp(18px,2vw,24px);line-height:1.35;letter-spacing:-.025em}
    .item-body h2 a:hover,.item-body h3 a:hover{color:#63831b;text-decoration:underline;text-underline-offset:4px}
    .item-body p{display:-webkit-box;overflow:hidden;margin:8px 0 0;color:#626b60;font-size:14px;line-height:1.7;-webkit-line-clamp:2;-webkit-box-orient:vertical}
    .item-link{display:inline-flex;align-items:center;justify-content:flex-end;gap:7px;color:#50691a;font-size:14px;font-weight:900;white-space:nowrap}
    .item-link:hover{color:#25380a;transform:translateX(3px)}
    .trial-item:not(.featured):hover .cover-mini{border-color:#a8d742;box-shadow:0 7px 18px rgba(107,144,35,.16)}
    .side-panel{position:sticky;top:96px;padding:24px;border:1px solid rgba(30,33,29,.12);border-radius:18px;background:#e9e8df}
    .side-panel h2{margin:0 0 14px;font-size:20px;line-height:1.3;letter-spacing:-.03em}
    .side-panel p{margin:0;color:#60695d;font-size:14px;line-height:1.7}
    .scene-list{display:grid;gap:10px;margin:20px 0;padding:0;list-style:none}
    .scene-list li{display:flex;gap:10px;align-items:flex-start;padding:11px 0;border-bottom:1px solid rgba(30,33,29,.1);font-size:14px;font-weight:700}
    .scene-list li:last-child{border-bottom:0}
    .scene-list i{display:grid;place-items:center;flex:0 0 auto;width:20px;height:20px;border-radius:5px;background:#cde990;color:#415c11;font-style:normal;font-size:12px}
    .side-link{display:inline-flex;align-items:center;gap:7px;color:#4d6817;font-size:14px;font-weight:900}
    .side-link:hover{color:#26380b;text-decoration:underline;text-underline-offset:4px}
    .pagination-wrap{display:flex;justify-content:center;gap:10px;margin-top:34px}
    .page-btn{display:inline-flex;align-items:center;justify-content:center;min-width:43px;height:43px;padding:0 14px;border:1px solid rgba(30,33,29,.2);border-radius:10px;background:transparent;color:#30362e;font-size:14px;font-weight:800}
    .page-btn.active{border-color:#91bd30;background:#b8e94b;color:#182013}
    .page-btn:hover:not(.active):not(.disabled){border-color:#84aa2d;color:#55741a;transform:translateY(-2px)}
    .page-btn.disabled{opacity:.42;cursor:not-allowed}

    .experience-section{padding:88px 0;background:#20231f}
    .experience-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:center}
    .control-console{position:relative;min-height:330px;padding:24px;border:1px solid rgba(245,243,236,.16);border-radius:24px;background:linear-gradient(140deg,#363a31,#1b1e1a);box-shadow:var(--shadow)}
    .console-screen{height:196px;padding:15px;border:1px solid rgba(184,233,75,.36);border-radius:14px;background:#161914}
    .console-top{display:flex;justify-content:space-between;color:#a6b298;font:800 10px/1 var(--mono);letter-spacing:.09em}
    .console-lines{display:grid;gap:12px;margin:34px 12px}
    .console-lines i{display:block;height:9px;border-radius:3px;background:rgba(245,243,236,.15)}
    .console-lines i:nth-child(1){width:72%;background:rgba(184,233,75,.72)}
    .console-lines i:nth-child(2){width:91%}
    .console-lines i:nth-child(3){width:57%;background:rgba(255,120,88,.58)}
    .console-controls{display:flex;justify-content:space-between;align-items:center;padding:22px 12px 0}
    .dpad{position:relative;width:50px;height:50px}
    .dpad:before,.dpad:after{content:"";position:absolute;background:#4b5146;border-radius:4px}
    .dpad:before{left:17px;width:16px;height:50px}
    .dpad:after{top:17px;width:50px;height:16px}
    .control-buttons{display:flex;gap:12px}
    .control-buttons i{display:block;width:25px;height:25px;border:2px solid rgba(255,255,255,.25);border-radius:50%;background:var(--orange);box-shadow:0 3px 0 #9d3d2a}
    .control-buttons i:last-child{background:var(--lime);box-shadow:0 3px 0 #66891d}
    .experience-copy h2{margin:12px 0 17px;font-size:clamp(28px,3.5vw,39px);line-height:1.2;letter-spacing:-.045em}
    .experience-copy p{max-width:600px;margin:0;color:#c2c9ba;font-size:16px;line-height:1.85}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:27px 0 30px}
    .step{padding:15px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.025)}
    .step b{display:block;color:var(--lime);font:800 12px/1 var(--mono);letter-spacing:.08em}
    .step span{display:block;margin-top:8px;color:#e1e4db;font-size:14px;font-weight:700;line-height:1.45}

    .faq-section{background:var(--paper-soft);color:var(--ink)}
    .faq-section .section-intro{color:var(--muted-dark)}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq-item{border:1px solid rgba(30,33,29,.14);border-radius:14px;background:#f9f8f3;overflow:hidden}
    .faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;list-style:none;cursor:pointer;color:#232821;font-size:16px;font-weight:850}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";display:grid;place-items:center;flex:0 0 auto;width:24px;height:24px;border-radius:7px;background:#e6eed6;color:#5c7b1b;font-size:20px;font-weight:400;transition:transform .2s ease}
    .faq-item[open] summary:after{transform:rotate(45deg)}
    .faq-item p{margin:0;padding:0 20px 19px;color:#5e675b;font-size:14px;line-height:1.8}

    .cta-section{padding:74px 0}
    .cta-panel{position:relative;overflow:hidden;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;padding:38px 42px;border:1px solid rgba(184,233,75,.34);border-radius:24px;background:linear-gradient(110deg,#30362a,#1e211c)}
    .cta-panel:after{content:"";position:absolute;right:-45px;bottom:-85px;width:260px;height:260px;border:20px solid rgba(184,233,75,.09);border-radius:50%}
    .cta-panel h2{position:relative;z-index:1;margin:8px 0 0;font-size:clamp(26px,3vw,36px);line-height:1.22;letter-spacing:-.045em}
    .cta-panel p{position:relative;z-index:1;max-width:650px;margin:12px 0 0;color:#c4cbbc;font-size:15px}
    .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

    .site-footer{border-top:2px solid var(--lime);background:#111210;color:#b8bfb0}
    .footer-top{display:grid;grid-template-columns:1.55fr repeat(3,1fr);gap:42px;padding:58px 0 42px}
    .footer-brand .brand{min-width:0;color:var(--paper)}
    .footer-brand p{max-width:360px;margin:17px 0 0;color:#9ea79a;font-size:14px;line-height:1.8}
    .footer-col h3{margin:0 0 14px;color:#edf0e8;font-size:15px;font-weight:850}
    .footer-col a{display:block;width:max-content;max-width:100%;margin:8px 0;color:#a7afa2;font-size:14px}
    .footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid var(--line);color:#7f887c;font-size:12px}

    @media (max-width:1024px){
      .container{width:min(100% - 40px,1200px)}
      .main-nav a{padding-left:8px;padding-right:8px}
      .main-nav a:hover:after,.main-nav a.active:after{left:8px;width:calc(100% - 16px)}
      .category-window{grid-template-columns:1fr 255px;gap:25px}
      .trial-layout{grid-template-columns:1fr}
      .side-panel{position:relative;top:auto;display:grid;grid-template-columns:1fr 1fr;gap:18px}
      .side-panel h2,.side-panel p{grid-column:1/-1}
      .scene-list{margin:0}
      .experience-grid{gap:36px}
      .footer-top{gap:28px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,1200px)}
      .site-header{height:62px}
      .brand{min-width:0;font-size:16px}
      .main-nav{position:fixed;top:62px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:15px 18px 22px;border-bottom:1px solid var(--line);background:#1c1f1b;box-shadow:0 16px 34px rgba(0,0,0,.3)}
      .main-nav.open{display:flex}
      .main-nav a{padding:13px 8px}
      .main-nav a:after{bottom:7px}
      .header-action{display:none}
      .menu-toggle{display:block}
      .category-hero{padding:36px 0 48px}
      .category-window{grid-template-columns:1fr;padding:25px}
      .screen-art{min-height:155px}
      .pixel-shape{width:86px;height:86px;margin-top:17px}
      .guide-grid{grid-template-columns:1fr}
      .guide-item{padding:16px 18px}
      .section{padding:66px 0}
      .section-head{display:block;margin-bottom:26px}
      .section-intro{margin-top:14px}
      .trial-item,.trial-item.featured{grid-template-columns:78px minmax(0,1fr);gap:15px}
      .trial-item.featured{margin-top:15px;padding:0}
      .trial-item.featured .trial-cover{min-height:145px}
      .trial-date{display:none}
      .trial-item .item-link{grid-column:2;justify-content:flex-start}
      .trial-item:not(.featured) .item-link{margin-top:-7px}
      .side-panel{display:block}
      .scene-list{margin:18px 0}
      .experience-grid{grid-template-columns:1fr}
      .control-console{max-width:520px}
      .faq-grid{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr;padding:30px 26px}
      .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:520px){
      .container{width:min(100% - 28px,1200px)}
      .brand span:last-child{font-size:15px}
      .category-window{padding:21px 18px}
      .category-window h1{font-size:32px}
      .category-window p{font-size:15px}
      .filter-panel{gap:7px}
      .tag{padding:6px 8px;font-size:12px}
      .trial-item,.trial-item.featured{grid-template-columns:62px minmax(0,1fr);gap:12px;padding:19px 0}
      .trial-item.featured{grid-template-columns:1fr}
      .trial-item.featured .trial-cover{min-height:130px}
      .cover-mini{width:62px;height:62px}
      .cover-mini:before{left:11px;top:10px}
      .item-body h2,.item-body h3{font-size:18px}
      .item-body p{font-size:13px}
      .steps{grid-template-columns:1fr}
      .faq-item summary{padding:16px;font-size:15px}
      .faq-item p{padding:0 16px 16px}
      .cta-actions,.cta-actions .btn{width:100%}
      .footer-top{grid-template-columns:1fr 1fr;gap:24px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block;line-height:1.9}
      .footer-bottom span{display:block}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}
    }

/* roulang page: article */
:root{
  --bg:#171816;--bg-soft:#232622;--panel:#2a2d28;--panel-deep:#1d201c;
  --paper:#f5f3ec;--paper-soft:#eae8df;--ink:#1e211d;--muted:#aab0a1;
  --muted-dark:#657064;--lime:#b8e94b;--lime-dark:#8bb530;--orange:#ff7858;
  --line:rgba(245,243,236,.14);--line-dark:rgba(30,33,29,.13);
  --radius:18px;--radius-lg:26px;--shadow:0 18px 50px rgba(0,0,0,.22);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--paper);font-family:var(--font);font-size:16px;line-height:1.7;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.17;background-image:radial-gradient(rgba(184,233,75,.35) .65px,transparent .8px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px);background-size:18px 18px,72px 72px,72px 72px}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease}
img{max-width:100%;display:block}
button{font:inherit}
button,a{outline:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
.container{width:min(1200px,calc(100% - 48px));margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1.2;cursor:pointer}
.btn-primary{background:var(--lime);color:#182013;box-shadow:0 7px 0 rgba(107,144,35,.72)}
.btn-primary:hover{background:#cdf572;transform:translateY(-2px);box-shadow:0 9px 0 rgba(107,144,35,.72),0 10px 28px rgba(184,233,75,.12)}
.btn-primary:active{transform:translateY(3px);box-shadow:0 3px 0 rgba(107,144,35,.72)}
.btn-secondary{color:var(--paper);border-color:rgba(245,243,236,.42);background:rgba(255,255,255,.03)}
.btn-secondary:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
.site-header{position:sticky;top:0;z-index:30;height:72px;border-bottom:1px solid var(--line);background:rgba(23,24,22,.92);backdrop-filter:blur(14px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:218px;font-size:17px;font-weight:900;letter-spacing:-.04em;line-height:1.2}
.brand-mark{display:grid;grid-template-columns:repeat(2,7px);gap:3px;width:29px;height:29px;padding:5px;border:1px solid rgba(184,233,75,.75);border-radius:8px;background:#20241b;box-shadow:inset 0 0 0 2px rgba(184,233,75,.08)}
.brand-mark i{display:block;border-radius:1px;background:var(--lime)}
.brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:var(--orange)}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{position:relative;padding:24px 12px 21px;color:#d8d9d1;font-size:14px;font-weight:700;white-space:nowrap}
.main-nav a:after{content:"";position:absolute;bottom:14px;left:50%;width:0;height:2px;border-radius:3px;background:var(--lime);transition:.2s}
.main-nav a:hover{color:var(--lime)}
.main-nav a:hover:after,.main-nav a.active:after{left:12px;width:calc(100% - 24px)}
.main-nav a.active{color:var(--lime)}
.header-action{min-width:112px;min-height:40px;padding:8px 14px;font-size:14px;border-radius:10px}
.menu-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--paper);font-size:21px;cursor:pointer}
.mobile-menu{display:none}
.article-hero{position:relative;padding:54px 0 48px;overflow:hidden;border-bottom:1px solid var(--line)}
.article-hero:after{content:"";position:absolute;width:510px;height:510px;right:-160px;top:-255px;border-radius:50%;background:radial-gradient(circle,rgba(184,233,75,.14),transparent 68%)}
.article-hero-inner{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:9px;max-width:100%;margin-bottom:22px;color:#b7bdaf;font-size:13px;white-space:nowrap;overflow:hidden}
.crumbs a:hover{color:var(--lime)}
.crumbs span{color:var(--lime);font-size:15px}
.crumbs strong{overflow:hidden;text-overflow:ellipsis;color:#d8dbd2;font-weight:600}
.article-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid rgba(184,233,75,.35);border-radius:9px;background:rgba(184,233,75,.08);color:#dcefc0;font:700 12px/1 var(--mono);letter-spacing:.04em}
.article-kicker:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px var(--lime)}
.article-hero h1{max-width:920px;margin:17px 0 18px;font-size:clamp(32px,4vw,48px);line-height:1.2;letter-spacing:-.055em}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;color:#b9beb1;font-size:14px}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta b{color:var(--lime);font-weight:800}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:30px;align-items:start;padding:54px 0 90px}
.article-reading{min-width:0;border-radius:var(--radius-lg);background:var(--paper);color:var(--ink);box-shadow:var(--shadow);overflow:hidden}
.article-reading-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 38px;border-bottom:1px solid var(--line-dark);background:#eeece4;color:var(--muted-dark);font:700 12px/1.4 var(--mono);letter-spacing:.06em}
.window-lights{display:flex;gap:6px}
.window-lights i{width:8px;height:8px;border-radius:50%;background:#b6baad}
.window-lights i:first-child{background:var(--orange)}
.window-lights i:nth-child(2){background:var(--lime)}
.article-content{padding:36px 44px 48px;font-size:17px;line-height:1.95}
.article-content>:first-child{margin-top:0}
.article-content h2{margin:46px 0 17px;padding-top:5px;font-size:30px;line-height:1.35;letter-spacing:-.04em;color:#20251f}
.article-content h3{margin:32px 0 13px;font-size:22px;line-height:1.45;color:#30352e}
.article-content p{margin:0 0 20px}
.article-content a{color:#496d13;font-weight:700;text-decoration:underline;text-decoration-color:rgba(73,109,19,.42);text-underline-offset:4px}
.article-content a:hover{color:#263e09;text-decoration-color:var(--lime-dark)}
.article-content ul,.article-content ol{margin:0 0 22px;padding-left:1.45em}
.article-content li{margin:8px 0;padding-left:4px}
.article-content blockquote{margin:28px 0;padding:20px 23px;border-left:4px solid var(--lime-dark);border-radius:0 13px 13px 0;background:#edf4d9;color:#3c4732;font-weight:600}
.article-content table{width:100%;margin:28px 0;border-collapse:separate;border-spacing:0;border:1px solid var(--line-dark);border-radius:12px;overflow:hidden;font-size:15px}
.article-content th,.article-content td{padding:12px 14px;border-right:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);vertical-align:top}
.article-content th{background:#e8e6dd;color:#2b312b;font-weight:800}
.article-content tr:last-child td{border-bottom:0}
.article-content th:last-child,.article-content td:last-child{border-right:0}
.article-content img{margin:28px auto;border-radius:14px}
.article-content figure{margin:28px 0}
.article-content figcaption{margin-top:9px;color:var(--muted-dark);font-size:13px;text-align:center}
.article-content pre{padding:18px;overflow:auto;border-radius:12px;background:#242821;color:#ebf0df;font:14px/1.7 var(--mono)}
.article-content .notice,.article-content .tip{margin:28px 0;padding:18px 20px;border:1px solid rgba(139,181,48,.35);border-radius:14px;background:#eef5dd;color:#394430}
.article-content .warning{margin:28px 0;padding:18px 20px;border:1px solid rgba(255,120,88,.35);border-radius:14px;background:#fff0ea;color:#6f392d}
.empty-content{padding:68px 34px;text-align:center}
.empty-icon{display:grid;place-items:center;width:62px;height:62px;margin:0 auto 18px;border:1px solid rgba(139,181,48,.35);border-radius:18px;background:#edf4dc;color:var(--lime-dark);font-size:28px}
.empty-content h2{margin:0 0 8px;font-size:25px}
.empty-content p{margin:0 0 22px;color:var(--muted-dark)}
.article-sidebar{position:sticky;top:94px;display:grid;gap:18px}
.side-card{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(42,45,40,.85);box-shadow:0 12px 30px rgba(0,0,0,.12)}
.side-card h2{margin:0 0 15px;font-size:17px;line-height:1.3}
.side-card h2:before{content:"";display:inline-block;width:7px;height:7px;margin:0 8px 2px 0;border-radius:50%;background:var(--lime)}
.toc-list{display:grid;gap:5px;margin:0;padding:0;list-style:none}
.toc-list a{display:block;padding:7px 8px;border-left:2px solid transparent;color:#c5cabd;font-size:14px;line-height:1.45}
.toc-list a:hover{border-color:var(--lime);background:rgba(184,233,75,.07);color:var(--lime)}
.category-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);color:#d6dad0;font-size:14px;font-weight:700}
.category-link:last-child{border-bottom:0}
.category-link:hover{color:var(--lime);padding-left:4px}
.download-mini{border-color:rgba(184,233,75,.36);background:linear-gradient(145deg,#303529,#1d211c)}
.download-mini p{margin:0 0 17px;color:#c3cbbb;font-size:14px;line-height:1.65}
.download-mini .btn{width:100%;min-height:43px;font-size:14px}
.article-after{padding:0 44px 46px}
.article-after-title{margin:0 0 15px;color:#252a24;font-size:22px}
.continue-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;border:1px solid var(--line-dark);border-radius:16px;background:#eef0e8}
.continue-card small{display:block;margin-bottom:4px;color:#63725a;font:700 12px var(--mono)}
.continue-card strong{display:block;font-size:17px;line-height:1.45}
.continue-card a{flex:0 0 auto;color:#29371d;font-weight:900}
.continue-card a:hover{color:var(--lime-dark)}
.text-links{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:18px}
.text-links a{color:#526e22;font-size:14px;font-weight:800;text-decoration:underline;text-underline-offset:4px}
.feedback{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:28px;padding:18px 20px;border-top:1px solid var(--line-dark);color:#4d574a;font-size:14px}
.feedback-actions{display:flex;gap:8px}
.feedback button{padding:7px 12px;border:1px solid var(--line-dark);border-radius:9px;background:#fff;color:#46503f;font-size:13px;cursor:pointer}
.feedback button:hover,.feedback button.is-selected{border-color:var(--lime-dark);background:#edf5da;color:#304512}
.site-footer{border-top:2px solid var(--lime);background:#10110f}
.footer-top{display:grid;grid-template-columns:1.65fr repeat(3,1fr);gap:42px;padding:54px 0 38px}
.footer-brand p{max-width:365px;margin:17px 0 0;color:#aeb5a5;font-size:14px;line-height:1.75}
.footer-col h3{margin:0 0 13px;color:var(--paper);font-size:15px}
.footer-col a{display:block;margin:8px 0;color:#aeb5a5;font-size:14px}
.footer-col a:hover{color:var(--lime);padding-left:3px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-top:1px solid var(--line);color:#7f877a;font:12px/1.5 var(--mono)}
@media(max-width:1024px){
  .container{width:min(100% - 40px,1200px)}
  .article-shell{grid-template-columns:minmax(0,1fr) 245px;gap:22px}
  .article-content{padding:32px}
  .article-after{padding:0 32px 36px}
  .footer-top{gap:24px}
}
@media(max-width:840px){
  .site-header{height:64px}
  .brand{min-width:0;font-size:16px}
  .main-nav{display:none}
  .header-action{margin-left:auto}
  .menu-toggle{display:block}
  .mobile-menu{position:fixed;inset:64px 0 auto 0;z-index:25;padding:18px 24px 24px;border-bottom:1px solid var(--line);background:#1d201c;transform:translateY(-120%);opacity:0;pointer-events:none;transition:transform .24s ease,opacity .24s ease}
  .mobile-menu.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .mobile-menu nav{display:grid;gap:4px}
  .mobile-menu nav a{padding:12px 8px;border-bottom:1px solid var(--line);font-weight:800}
  .mobile-menu nav a:hover{color:var(--lime)}
  .mobile-menu .btn{width:100%;margin-top:16px}
  .article-hero{padding:39px 0}
  .article-shell{grid-template-columns:1fr;padding-top:36px}
  .article-sidebar{position:static;grid-template-columns:repeat(2,1fr)}
  .download-mini{grid-column:span 2}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr}
  .footer-col:last-child{display:none}
}
@media(max-width:600px){
  .container{width:calc(100% - 30px)}
  .header-action{display:none}
  .article-hero h1{font-size:32px}
  .article-meta{gap:8px 14px;font-size:13px}
  .article-reading-head{padding:15px 20px}
  .article-content{padding:27px 21px;font-size:16px;line-height:1.9}
  .article-content h2{margin-top:39px;font-size:26px}
  .article-content h3{font-size:20px}
  .article-content table{display:block;overflow-x:auto;white-space:nowrap}
  .article-after{padding:0 21px 30px}
  .continue-card{align-items:flex-start;flex-direction:column}
  .feedback{align-items:flex-start;flex-direction:column}
  .article-sidebar{grid-template-columns:1fr}
  .download-mini{grid-column:auto}
  .footer-top{grid-template-columns:1fr 1fr;padding:40px 0 28px}
  .footer-brand{grid-column:span 2}
  .footer-bottom{flex-direction:column;gap:5px}
}
@media(max-width:420px){
  .brand{font-size:15px}
  .article-hero h1{font-size:30px}
  .article-content{padding:24px 18px}
  .article-after{padding-left:18px;padding-right:18px}
  .footer-top{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* roulang page: category1 */
:root{
      --bg:#171816;
      --bg-soft:#232622;
      --panel:#2a2d28;
      --panel-deep:#1d201c;
      --paper:#f5f3ec;
      --paper-soft:#eae8df;
      --ink:#1e211d;
      --muted:#aab0a1;
      --muted-dark:#657064;
      --lime:#b8e94b;
      --lime-dark:#8bb530;
      --orange:#ff7858;
      --line:rgba(245,243,236,.14);
      --line-dark:rgba(30,33,29,.13);
      --radius:18px;
      --radius-lg:26px;
      --shadow:0 18px 50px rgba(0,0,0,.22);
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--paper);font-family:var(--font);font-size:16px;line-height:1.7;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.18;background-image:radial-gradient(rgba(184,233,75,.30) .65px,transparent .8px),linear-gradient(90deg,rgba(255,255,255,.024) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px);background-size:18px 18px,72px 72px,72px 72px}
    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,a{outline:none}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .section{padding:84px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:31px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0;color:var(--lime);font:800 12px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 14px rgba(184,233,75,.6)}
    .section-title{max-width:700px;margin:12px 0 0;font-size:clamp(29px,3.4vw,40px);line-height:1.18;letter-spacing:-.045em}
    .section-intro{max-width:540px;margin:0;color:var(--muted);font-size:16px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1.2;cursor:pointer}
    .btn-primary{background:var(--lime);color:#182013;box-shadow:0 7px 0 rgba(107,144,35,.72)}
    .btn-primary:hover{background:#cdf572;transform:translateY(-2px);box-shadow:0 9px 0 rgba(107,144,35,.72),0 10px 28px rgba(184,233,75,.13)}
    .btn-primary:active{transform:translateY(3px);box-shadow:0 3px 0 rgba(107,144,35,.72)}
    .btn-secondary{color:var(--paper);border-color:rgba(245,243,236,.42);background:rgba(255,255,255,.025)}
    .btn-secondary:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
    .arrow{font-size:20px;line-height:1}
    .site-header{position:sticky;top:0;z-index:30;height:72px;border-bottom:1px solid var(--line);background:rgba(23,24,22,.92);backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;min-width:218px;font-size:17px;font-weight:900;letter-spacing:-.04em;line-height:1.2}
    .brand-mark{display:grid;grid-template-columns:repeat(2,7px);gap:3px;width:29px;height:29px;padding:5px;border:1px solid rgba(184,233,75,.75);border-radius:8px;background:#20241b;box-shadow:inset 0 0 0 2px rgba(184,233,75,.08)}
    .brand-mark i{display:block;border-radius:1px;background:var(--lime)}
    .brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{position:relative;padding:24px 12px 21px;color:#d8d9d1;font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:after{content:"";position:absolute;bottom:14px;left:50%;width:0;height:2px;border-radius:3px;background:var(--lime);transition:.2s}
    .main-nav a:hover{color:var(--lime)}
    .main-nav a:hover:after,.main-nav a.active:after{left:12px;width:calc(100% - 24px)}
    .main-nav a.active{color:var(--lime)}
    .header-action{min-width:112px;min-height:40px;padding:8px 14px;font-size:14px;border-radius:10px}
    .menu-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--paper);font-size:21px;cursor:pointer}
    .page-banner{position:relative;padding:70px 0 62px;overflow:hidden}
    .page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(184,233,75,.08),transparent 44%),linear-gradient(0deg,rgba(0,0,0,.18),transparent)}
    .page-banner:after{content:"";position:absolute;right:8%;top:24px;width:215px;height:140px;border:1px solid rgba(184,233,75,.2);border-radius:18px;background:linear-gradient(135deg,rgba(184,233,75,.12),rgba(255,120,88,.04));box-shadow:22px 22px 0 rgba(255,255,255,.025);transform:rotate(-5deg)}
    .breadcrumb{position:relative;z-index:1;display:flex;align-items:center;gap:9px;margin-bottom:23px;color:#b6baaf;font-size:13px}
    .breadcrumb a:hover{color:var(--lime)}
    .breadcrumb span:last-child{color:var(--lime)}
    .banner-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:58px;align-items:end}
    .page-banner h1{max-width:800px;margin:13px 0 17px;font-size:clamp(38px,5vw,54px);line-height:1.12;letter-spacing:-.06em}
    .banner-text{max-width:720px;margin:0;color:#c7cbc1;font-size:17px;line-height:1.85}
    .screen-status{position:relative;border:1px solid rgba(245,243,236,.18);border-radius:18px;background:rgba(24,27,23,.75);padding:17px;box-shadow:var(--shadow)}
    .screen-status:before{content:"试玩界面";display:block;margin:-17px -17px 15px;padding:9px 13px;border-bottom:1px solid var(--line);color:#cbd6ad;font:700 11px/1 var(--mono);letter-spacing:.08em}
    .status-line{display:flex;justify-content:space-between;align-items:center;padding:8px 0;color:#cfd3c9;font-size:13px;border-bottom:1px solid rgba(245,243,236,.08)}
    .status-line:last-child{border:0}
    .status-line b{color:var(--lime);font:800 12px/1 var(--mono)}
    .topic-bar{margin-top:-20px;position:relative;z-index:2}
    .topic-panel{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:18px 24px;border:1px solid var(--line);border-radius:16px;background:var(--panel-deep);box-shadow:var(--shadow)}
    .topic-label{color:#d5d9ce;font-size:14px;font-weight:800;white-space:nowrap}
    .topic-tags{display:flex;flex-wrap:wrap;gap:9px}
    .tag{display:inline-flex;align-items:center;padding:5px 10px;border:1px solid rgba(184,233,75,.26);border-radius:8px;background:rgba(184,233,75,.07);color:#d7e9af;font-size:13px;font-weight:700}
    .guide-grid{display:grid;grid-template-columns:1.14fr .86fr;gap:25px}
    .guide-window,.audience-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);overflow:hidden}
    .window-top{display:flex;align-items:center;gap:7px;padding:13px 18px;border-bottom:1px solid var(--line);color:#b9beb2;font:700 12px/1 var(--mono)}
    .window-top i{width:8px;height:8px;border-radius:50%;background:var(--orange)}
    .window-top i:nth-child(2){background:var(--lime)}
    .window-body{padding:27px}
    .window-body h2,.audience-card h2{margin:0 0 12px;font-size:25px;line-height:1.25;letter-spacing:-.035em}
    .window-body p,.audience-card p{margin:0;color:#c3c8bc}
    .quick-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:25px}
    .quick-step{padding:16px;border:1px solid rgba(245,243,236,.12);border-radius:13px;background:rgba(0,0,0,.11)}
    .quick-step b{display:block;margin-bottom:8px;color:var(--lime);font:800 12px/1 var(--mono)}
    .quick-step span{display:block;color:#e4e6df;font-weight:800;font-size:14px}
    .audience-card{padding:27px;background:linear-gradient(145deg,#30342d,#232622)}
    .audience-list{margin:20px 0 0;padding:0;list-style:none}
    .audience-list li{position:relative;padding:10px 0 10px 25px;border-bottom:1px solid rgba(245,243,236,.1);color:#d3d7ce;font-size:15px}
    .audience-list li:last-child{border-bottom:0}
    .audience-list li:before{content:"";position:absolute;left:0;top:19px;width:10px;height:10px;border:2px solid var(--lime);border-radius:2px}
    .content-zone{background:var(--paper);color:var(--ink)}
    .content-zone .section-title{color:var(--ink)}
    .content-zone .section-intro{color:var(--muted-dark)}
    .trial-list{display:grid;gap:16px}
    .trial-card{display:grid;grid-template-columns:112px minmax(0,1fr) auto;gap:23px;align-items:center;padding:20px;border:1px solid var(--line-dark);border-radius:18px;background:#fffefa;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
    .trial-card:hover{transform:translateY(-3px);border-color:rgba(139,181,48,.65);box-shadow:0 14px 30px rgba(30,33,29,.09)}
    .trial-card.featured{grid-template-columns:230px minmax(0,1fr);padding:26px;background:linear-gradient(118deg,#fbfaf3,#edf3d9)}
    .game-art{position:relative;min-height:94px;border-radius:14px;background:#252922;overflow:hidden}
    .game-art:before{content:"";position:absolute;inset:17px;border:1px solid rgba(184,233,75,.67);border-radius:9px;background:repeating-linear-gradient(90deg,rgba(184,233,75,.15) 0 9px,transparent 9px 18px)}
    .game-art:after{content:"";position:absolute;left:50%;top:50%;width:35px;height:35px;border:7px solid var(--orange);border-radius:8px;transform:translate(-50%,-50%) rotate(45deg);box-shadow:0 0 0 7px rgba(184,233,75,.75)}
    .featured .game-art{min-height:160px}
    .featured .game-art:before{inset:26px}
    .featured .game-art:after{width:52px;height:52px}
    .card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:8px}
    .card-meta time{color:#788173;font:700 12px/1 var(--mono)}
    .mini-tag{padding:4px 8px;border-radius:6px;background:#e4efc8;color:#445224;font-size:12px;font-weight:800}
    .mini-tag.orange{background:#ffe1d9;color:#a24b37}
    .trial-card h3{margin:0;font-size:20px;line-height:1.35;letter-spacing:-.025em}
    .featured h3{font-size:26px}
    .trial-card p{display:-webkit-box;overflow:hidden;margin:9px 0 0;color:#5f685e;font-size:14px;line-height:1.7;-webkit-box-orient:vertical;-webkit-line-clamp:2}
    .card-side{display:flex;flex-direction:column;align-items:flex-end;gap:12px;min-width:130px}
    .device-note{color:#657064;font-size:12px;font-weight:700}
    .text-link{display:inline-flex;align-items:center;gap:7px;color:#35451d;font-size:14px;font-weight:900}
    .text-link:hover{color:#6c9519;text-decoration:underline;text-underline-offset:4px}
    .featured .text-link{margin-top:19px}
    .type-strip{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:17px}
    .type-card{position:relative;min-height:200px;padding:25px;border:1px solid var(--line);border-radius:18px;background:var(--panel);overflow:hidden}
    .type-card:after{content:"";position:absolute;right:-19px;bottom:-27px;width:90px;height:90px;border:16px solid rgba(184,233,75,.11);border-radius:50%}
    .type-card:nth-child(2):after{border-color:rgba(255,120,88,.15);border-radius:12px;transform:rotate(28deg)}
    .type-card:nth-child(3):after{border-radius:0;transform:rotate(45deg)}
    .type-card h3{position:relative;z-index:1;margin:30px 0 8px;font-size:22px;line-height:1.25}
    .type-card p{position:relative;z-index:1;margin:0;color:#bec4b8;font-size:14px}
    .type-icon{display:grid;place-items:center;width:38px;height:38px;border:1px solid rgba(184,233,75,.42);border-radius:10px;color:var(--lime);font:bold 19px/1 var(--mono)}
    .flow-wrap{padding:0 0 86px}
    .flow-panel{padding:37px;border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(120deg,#2d312b,#20231f);box-shadow:var(--shadow)}
    .flow-panel .section-title{margin-bottom:30px}
    .flow-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .flow-step{position:relative;padding:0 25px 0 0}
    .flow-step:not(:last-child):after{content:"";position:absolute;top:19px;right:0;width:calc(100% - 45px);border-top:1px dashed rgba(184,233,75,.5);transform:translateX(50%)}
    .flow-no{display:grid;place-items:center;position:relative;z-index:1;width:39px;height:39px;margin-bottom:18px;border:1px solid var(--lime);border-radius:10px;background:#252a20;color:var(--lime);font:800 13px/1 var(--mono)}
    .flow-step h3{margin:0 0 7px;font-size:17px}
    .flow-step p{margin:0;color:#bbc1b6;font-size:14px;line-height:1.65}
    .faq-section{padding:84px 0;background:var(--panel-deep)}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 18px}
    .faq-item{border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.025);overflow:hidden}
    .faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 19px;cursor:pointer;list-style:none;font-weight:800}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--lime);font:400 24px/1 var(--mono)}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 19px 18px;color:#c1c6bb;font-size:14px;line-height:1.8}
    .faq-answer p{margin:0}
    .cta-section{padding:84px 0}
    .cta-panel{position:relative;display:grid;grid-template-columns:1fr auto;gap:35px;align-items:center;padding:43px 48px;border:1px solid rgba(184,233,75,.35);border-radius:var(--radius-lg);background:linear-gradient(120deg,#313827,#23271f);overflow:hidden}
    .cta-panel:after{content:"";position:absolute;right:-75px;top:-90px;width:270px;height:270px;border:1px solid rgba(184,233,75,.25);border-radius:50%;box-shadow:inset 0 0 0 24px rgba(184,233,75,.05)}
    .cta-panel h2{position:relative;z-index:1;margin:0 0 10px;font-size:clamp(27px,3.2vw,37px);line-height:1.2;letter-spacing:-.045em}
    .cta-panel p{position:relative;z-index:1;max-width:640px;margin:0;color:#c4cabd}
    .cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}
    .site-footer{border-top:2px solid var(--lime);background:#11120f}
    .footer-top{display:grid;grid-template-columns:1.55fr repeat(3,.8fr);gap:38px;padding:60px 0 42px}
    .footer-brand .brand{min-width:0}
    .footer-brand p{max-width:380px;margin:17px 0 0;color:#aeb4a7;font-size:14px;line-height:1.8}
    .footer-col h3{margin:0 0 16px;color:#dfe3d8;font-size:15px}
    .footer-col a{display:block;width:max-content;max-width:100%;margin:8px 0;color:#aeb4a7;font-size:14px}
    .footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-top:1px solid var(--line);color:#80877c;font-size:12px}
    @media (max-width:1100px){
      .brand{min-width:auto}
      .main-nav a{padding-left:9px;padding-right:9px}
      .banner-grid{grid-template-columns:1fr 245px}
      .flow-step{padding-right:18px}
      .trial-card.featured{grid-template-columns:190px minmax(0,1fr)}
    }
    @media (max-width:900px){
      .site-header{height:64px}
      .header-action{display:none}
      .main-nav{position:fixed;inset:64px 0 auto 0;display:none;align-items:stretch;flex-direction:column;gap:0;padding:18px 24px 24px;border-bottom:1px solid var(--line);background:#1b1d19}
      .main-nav.open{display:flex}
      .main-nav a{padding:15px 4px;border-bottom:1px solid rgba(245,243,236,.08)}
      .main-nav a:after{bottom:6px;left:0}
      .main-nav a:hover:after,.main-nav a.active:after{left:0;width:46px}
      .menu-toggle{display:block}
      .page-banner{padding:54px 0 50px}
      .banner-grid{grid-template-columns:1fr}
      .screen-status{max-width:400px}
      .guide-grid,.type-strip{grid-template-columns:1fr}
      .flow-list{grid-template-columns:repeat(2,1fr);gap:30px 25px}
      .flow-step:not(:last-child):after{display:none}
      .footer-top{grid-template-columns:1.5fr 1fr 1fr}
      .footer-col:last-child{grid-column:2 / 4}
    }
    @media (max-width:700px){
      .container{width:min(100% - 32px,1200px)}
      .section{padding:62px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-intro{margin-top:14px}
      .page-banner h1{font-size:36px}
      .banner-text{font-size:16px}
      .page-banner:after{opacity:.45;right:-92px}
      .topic-panel{display:block;padding:17px}
      .topic-tags{margin-top:12px}
      .quick-steps{grid-template-columns:1fr}
      .trial-card,.trial-card.featured{grid-template-columns:84px minmax(0,1fr);gap:15px;padding:16px}
      .featured .game-art,.game-art{min-height:92px}
      .featured .game-art:before,.game-art:before{inset:15px}
      .featured .game-art:after,.game-art:after{width:29px;height:29px;border-width:5px;box-shadow:0 0 0 5px rgba(184,233,75,.75)}
      .featured h3,.trial-card h3{font-size:18px}
      .card-side{grid-column:2;align-items:flex-start;flex-direction:row;justify-content:space-between;min-width:0}
      .featured .text-link{margin-top:0}
      .flow-panel{padding:26px}
      .faq-grid{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr;padding:32px 25px}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px 22px}
      .footer-brand{grid-column:1 / -1}
      .footer-col:last-child{grid-column:auto}
      .footer-bottom{flex-direction:column;gap:5px}
    }
    @media (max-width:480px){
      .brand{font-size:16px}
      .page-banner{padding-top:42px}
      .page-banner h1{font-size:31px}
      .window-body,.audience-card{padding:21px}
      .card-meta{gap:6px}
      .trial-card p{font-size:13px}
      .flow-list{grid-template-columns:1fr}
      .cta-actions,.cta-actions .btn{width:100%}
      .footer-top{grid-template-columns:1fr}
      .footer-col:last-child{grid-column:auto}
    }
    @media (prefers-reduced-motion:reduce){
      html{scroll-behavior:auto}
      *,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}
    }

/* roulang page: category2 */
:root{
      --bg:#171816;
      --bg-soft:#232622;
      --panel:#2a2d28;
      --panel-deep:#1d201c;
      --paper:#f5f3ec;
      --paper-soft:#eae8df;
      --ink:#1e211d;
      --muted:#aab0a1;
      --muted-dark:#657064;
      --lime:#b8e94b;
      --lime-dark:#8bb530;
      --orange:#ff7858;
      --line:rgba(245,243,236,.14);
      --line-dark:rgba(30,33,29,.13);
      --radius:18px;
      --radius-lg:26px;
      --shadow:0 18px 50px rgba(0,0,0,.22);
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--paper);font-family:var(--font);font-size:16px;line-height:1.7;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.17;background-image:radial-gradient(rgba(184,233,75,.35) .65px,transparent .8px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px);background-size:18px 18px,72px 72px,72px 72px}
    a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease}
    a:hover{color:var(--lime)}
    img{max-width:100%;display:block}
    button{font:inherit}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .section{padding:82px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .section-title{margin:9px 0 0;font-size:clamp(28px,3.5vw,38px);line-height:1.2;letter-spacing:-.04em}
    .section-intro{max-width:570px;margin:0;color:var(--muted);font-size:16px}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font:700 12px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:2px;background:var(--orange);box-shadow:7px 0 0 var(--lime)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1.2;cursor:pointer}
    .btn-primary{background:var(--lime);color:#182013;box-shadow:0 7px 0 rgba(107,144,35,.72)}
    .btn-primary:hover{background:#cdf572;color:#182013;transform:translateY(-2px);box-shadow:0 9px 0 rgba(107,144,35,.72),0 10px 28px rgba(184,233,75,.12)}
    .btn-primary:active{transform:translateY(3px);box-shadow:0 3px 0 rgba(107,144,75,.72)}
    .btn-secondary{color:var(--paper);border-color:rgba(245,243,236,.42);background:rgba(255,255,255,.03)}
    .btn-secondary:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
    .arrow{font-size:20px;line-height:1}
    .site-header{position:sticky;top:0;z-index:30;height:72px;border-bottom:1px solid var(--line);background:rgba(23,24,22,.92);backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;min-width:218px;font-size:17px;font-weight:900;letter-spacing:-.04em;line-height:1.2}
    .brand-mark{display:grid;grid-template-columns:repeat(2,7px);gap:3px;width:29px;height:29px;padding:5px;border:1px solid rgba(184,233,75,.75);border-radius:8px;background:#20241b;box-shadow:inset 0 0 0 2px rgba(184,233,75,.08)}
    .brand-mark i{display:block;border-radius:1px;background:var(--lime)}
    .brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{position:relative;padding:24px 12px 21px;color:#d8d9d1;font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:after{content:"";position:absolute;bottom:14px;left:50%;width:0;height:2px;border-radius:3px;background:var(--lime);transition:.2s}
    .main-nav a:hover{color:var(--lime)}
    .main-nav a:hover:after,.main-nav a.active:after{left:12px;width:calc(100% - 24px)}
    .main-nav a.active{color:var(--lime)}
    .header-action{min-width:112px;min-height:40px;padding:8px 14px;font-size:14px;border-radius:10px}
    .menu-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--paper);font-size:21px;cursor:pointer}
    .page-hero{padding:68px 0 58px;border-bottom:1px solid var(--line);background:linear-gradient(110deg,rgba(184,233,75,.06),transparent 48%)}
    .crumbs{display:flex;flex-wrap:wrap;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
    .crumbs span{color:#737b70}
    .hero-window{display:grid;grid-template-columns:1fr 360px;gap:45px;align-items:end}
    .page-hero h1{max-width:780px;margin:15px 0 18px;font-size:clamp(36px,5vw,54px);line-height:1.16;letter-spacing:-.06em}
    .page-hero h1 em{font-style:normal;color:var(--lime)}
    .page-lead{max-width:730px;color:#c9cdc2;font-size:17px;line-height:1.85;margin:0}
    .window-card{padding:18px;border:1px solid rgba(245,243,236,.16);border-radius:20px;background:var(--panel-deep);box-shadow:var(--shadow)}
    .window-top{display:flex;align-items:center;gap:7px;padding-bottom:14px;border-bottom:1px solid var(--line)}
    .window-top i{width:8px;height:8px;border-radius:50%;background:var(--orange)}
    .window-top i:nth-child(2){background:#d7c95c}.window-top i:nth-child(3){background:var(--lime)}
    .window-label{margin-left:auto;color:var(--muted);font:11px var(--mono)}
    .guide-status{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px}
    .status-item{padding:13px;border-radius:12px;background:#252a23;border:1px solid rgba(184,233,75,.16)}
    .status-item b{display:block;color:var(--lime);font-size:18px}
    .status-item small{color:var(--muted);font-size:12px}
    .topic-nav{padding:24px 0;border-bottom:1px solid var(--line)}
    .topic-list{display:flex;flex-wrap:wrap;gap:10px}
    .topic-list a{padding:9px 15px;border-radius:10px;border:1px solid var(--line);color:#c8cec1;background:rgba(255,255,255,.025);font-size:14px}
    .topic-list a:hover,.topic-list a.current{color:#192016;background:var(--lime);border-color:var(--lime)}
    .paper-section{background:var(--paper);color:var(--ink)}
    .paper-section .section-intro{color:var(--muted-dark)}
    .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:18px;overflow:hidden}
    .step{min-height:235px;padding:27px 23px;background:var(--paper)}
    .step-num{display:flex;justify-content:space-between;color:var(--orange);font:700 13px var(--mono);margin-bottom:33px}
    .step-num strong{color:var(--lime-dark);font-size:27px}
    .step h3{font-size:20px;margin:0 0 10px}
    .step p{margin:0;color:#596258;font-size:15px;line-height:1.75}
    .tip-box{margin-top:22px;padding:16px 19px;border-left:4px solid var(--lime-dark);background:#e4edcf;border-radius:0 12px 12px 0;color:#44503e;font-size:14px}
    .split-guide{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .guide-card{padding:30px;border:1px solid var(--line-dark);border-radius:18px;background:#fffdf8}
    .guide-card.dark{background:var(--panel-deep);color:var(--paper);border-color:var(--line)}
    .guide-card h3{margin:0 0 12px;font-size:23px}
    .guide-card p{margin:0 0 18px;color:#5d675c}
    .guide-card.dark p{color:var(--muted)}
    .check-list{list-style:none;padding:0;margin:18px 0 0}
    .check-list li{position:relative;padding:10px 0 10px 27px;border-top:1px solid var(--line-dark);color:#4e584c}
    .dark .check-list li{border-color:var(--line);color:#d4d8ce}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--lime-dark);font-weight:900}
    .guide-card.dark .check-list li:before{color:var(--lime)}
    .content-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .guide-list{display:grid;gap:12px}
    .guide-item{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;padding:19px 20px;border:1px solid var(--line-dark);border-radius:15px;background:#fffdf8;transition:.22s}
    .guide-item:hover{transform:translateX(4px);border-color:var(--lime-dark);box-shadow:0 10px 25px rgba(30,33,29,.08)}
    .guide-meta{color:var(--orange);font:700 12px var(--mono)}
    .guide-item h3{margin:0 0 3px;font-size:17px}
    .guide-item p{margin:0;color:var(--muted-dark);font-size:14px;line-height:1.55}
    .guide-arrow{color:var(--lime-dark);font-size:23px}
    .device-panel{padding:27px;border-radius:20px;background:var(--panel-deep);color:var(--paper);min-height:100%}
    .device-panel h3{font-size:23px;margin:0 0 9px}
    .device-panel p{color:var(--muted);margin:0 0 20px}
    .device-row{display:flex;gap:9px;flex-wrap:wrap}
    .device-tag{padding:7px 11px;border:1px solid rgba(184,233,75,.35);border-radius:9px;color:#dcebbd;background:rgba(184,233,75,.07);font-size:13px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    details{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.035);padding:0 19px}
    summary{padding:17px 0;cursor:pointer;list-style:none;font-weight:800;color:#e9eadf;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--lime);font:24px var(--mono);line-height:1}
    details[open] summary:after{content:"−"}
    details p{margin:0 0 17px;color:var(--muted);font-size:15px;line-height:1.75}
    .cta{padding:48px 0 82px}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:35px 40px;border:1px solid rgba(184,233,75,.3);border-radius:22px;background:linear-gradient(105deg,#293021,#232622)}
    .cta-box h2{font-size:30px;line-height:1.25;margin:0 0 8px}
    .cta-box p{margin:0;color:var(--muted)}
    .site-footer{padding:54px 0 0;background:#111310;border-top:2px solid var(--lime)}
    .footer-top{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:38px;padding-bottom:42px}
    .footer-brand .brand{margin-bottom:17px}
    .footer-brand p{max-width:330px;color:var(--muted);font-size:14px;margin:0}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{font-size:14px;color:var(--paper);margin:0 0 8px}
    .footer-col a{color:var(--muted);font-size:14px}
    .footer-col a:hover{color:var(--lime)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid var(--line);color:#778074;font-size:13px}
    @media(max-width:992px){
      .container{width:min(100% - 36px,760px)}
      .hero-window,.content-grid{grid-template-columns:1fr}
      .window-card{max-width:520px}
      .steps-grid{grid-template-columns:repeat(2,1fr)}
      .footer-top{grid-template-columns:1.5fr 1fr 1fr}
    }
    @media(max-width:768px){
      .site-header{height:62px}
      .brand{min-width:0;font-size:15px}
      .main-nav{display:none;position:absolute;top:62px;left:0;right:0;padding:14px 18px 22px;flex-direction:column;align-items:stretch;background:#171816;border-bottom:1px solid var(--line)}
      .main-nav.open{display:flex}
      .main-nav a{padding:13px 12px}
      .main-nav a:after{bottom:5px}
      .main-nav a:hover:after,.main-nav a.active:after{left:12px;width:42px}
      .header-action{display:none}
      .menu-toggle{display:block}
      .page-hero{padding:47px 0 42px}
      .page-hero h1{font-size:36px}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-intro{margin-top:14px}
      .split-guide,.faq-grid{grid-template-columns:1fr}
      .cta-box{display:block;padding:29px 25px}
      .cta-box .btn{margin-top:22px}
      .footer-top{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 30px)}
      .hero-window{gap:27px}
      .page-hero h1{font-size:31px}
      .page-lead{font-size:16px}
      .steps-grid{grid-template-columns:1fr}
      .step{min-height:auto}
      .guide-item{grid-template-columns:1fr auto;gap:7px 12px}
      .guide-meta{grid-column:1/-1}
      .footer-top{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
      .cta-box h2{font-size:25px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category3 */
:root{
      --bg:#171816;
      --bg-soft:#232622;
      --panel:#2a2d28;
      --panel-deep:#1d201c;
      --paper:#f5f3ec;
      --paper-soft:#eae8df;
      --ink:#1e211d;
      --muted:#aab0a1;
      --muted-dark:#657064;
      --lime:#b8e94b;
      --lime-dark:#8bb530;
      --orange:#ff7858;
      --line:rgba(245,243,236,.14);
      --line-dark:rgba(30,33,29,.13);
      --radius:18px;
      --radius-lg:26px;
      --shadow:0 18px 50px rgba(0,0,0,.22);
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--paper);font-family:var(--font);font-size:16px;line-height:1.7;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.17;background-image:radial-gradient(rgba(184,233,75,.35) .65px,transparent .8px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px);background-size:18px 18px,72px 72px,72px 72px}
    a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease}
    a:hover{color:var(--lime)}
    img{max-width:100%;display:block}
    button{font:inherit}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;height:72px;border-bottom:1px solid var(--line);background:rgba(23,24,22,.94);backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;min-width:218px;font-size:17px;font-weight:900;letter-spacing:-.04em;line-height:1.2}
    .brand-mark{display:grid;grid-template-columns:repeat(2,7px);gap:3px;width:29px;height:29px;padding:5px;border:1px solid rgba(184,233,75,.75);border-radius:8px;background:#20241b;box-shadow:inset 0 0 0 2px rgba(184,233,75,.08)}
    .brand-mark i{display:block;border-radius:1px;background:var(--lime)}
    .brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{position:relative;padding:24px 12px 21px;color:#d8d9d1;font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:after{content:"";position:absolute;bottom:14px;left:50%;width:0;height:2px;border-radius:3px;background:var(--lime);transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:var(--lime)}
    .main-nav a:hover:after,.main-nav a.active:after{left:12px;width:calc(100% - 24px)}
    .header-action{min-width:112px;min-height:40px;padding:8px 14px;border:1px solid transparent;border-radius:10px;background:var(--lime);color:#182013;font-size:14px;font-weight:800;text-align:center;box-shadow:0 5px 0 rgba(107,144,35,.7)}
    .header-action:hover{color:#182013;background:#cdf572;transform:translateY(-2px)}
    .menu-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--paper);font-size:21px;cursor:pointer}
    .page-hero{padding:72px 0 56px;background:linear-gradient(180deg,rgba(42,45,40,.72),rgba(23,24,22,0));border-bottom:1px solid var(--line)}
    .crumbs{display:flex;align-items:center;gap:10px;margin-bottom:25px;color:var(--muted);font-size:13px}
    .crumbs span{color:#687064}
    .hero-layout{display:grid;grid-template-columns:1fr 330px;gap:55px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font:700 12px var(--mono);letter-spacing:.08em;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1{max-width:800px;margin:15px 0 18px;font-size:clamp(38px,5vw,58px);line-height:1.12;letter-spacing:-.06em}
    .hero-description{max-width:720px;margin:0;color:#c8cdc0;font-size:17px;line-height:1.85}
    .window-note{padding:21px;border:1px solid rgba(184,233,75,.3);border-radius:18px;background:var(--panel-deep);box-shadow:var(--shadow)}
    .window-bar{display:flex;gap:6px;margin-bottom:18px}
    .window-bar i{width:8px;height:8px;border-radius:50%;background:var(--orange)}
    .window-bar i:nth-child(2){background:var(--lime)}
    .window-bar i:nth-child(3){background:#899184}
    .window-note strong{display:block;margin-bottom:8px;font-size:20px}
    .window-note p{margin:0;color:var(--muted);font-size:14px}
    .section{padding:82px 0}
    .paper-section{background:var(--paper);color:var(--ink)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
    .section-kicker{margin:0;color:var(--orange);font:700 12px var(--mono);letter-spacing:.08em}
    .section-title{margin:8px 0 0;font-size:clamp(28px,3.5vw,38px);line-height:1.2;letter-spacing:-.04em}
    .section-intro{max-width:570px;margin:0;color:var(--muted-dark);font-size:16px}
    .topic-strip{display:grid;grid-template-columns:1.25fr .8fr .8fr;gap:16px}
    .topic-card{position:relative;min-height:154px;padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden}
    .topic-card:first-child{background:linear-gradient(135deg,#363d2d,#252823)}
    .topic-card:after{content:"↗";position:absolute;right:22px;bottom:17px;color:var(--lime);font-size:25px}
    .topic-card h3{margin:0 0 8px;font-size:21px}
    .topic-card p{max-width:260px;margin:0;color:var(--muted);font-size:14px}
    .topic-tag{display:inline-block;margin-bottom:20px;padding:4px 8px;border-radius:7px;background:rgba(184,233,75,.12);color:var(--lime);font:700 11px var(--mono)}
    .news-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:22px}
    .featured-news{min-height:365px;padding:32px;border:1px solid var(--line-dark);border-radius:var(--radius-lg);background:#20231e;position:relative;overflow:hidden;color:var(--paper)}
    .featured-news:before{content:"NEWS / 03";position:absolute;right:28px;top:27px;color:rgba(184,233,75,.5);font:700 12px var(--mono)}
    .news-visual{height:135px;margin:-32px -32px 27px;background:linear-gradient(135deg,#44503a 0 25%,#252a24 25% 50%,#ff7858 50% 55%,#252a24 55%);position:relative}
    .news-visual:after{content:"";position:absolute;inset:20px 32px;border:1px solid rgba(245,243,236,.24);border-radius:10px;background:repeating-linear-gradient(0deg,transparent 0 13px,rgba(184,233,75,.15) 14px 15px)}
    .badge{display:inline-flex;padding:5px 9px;border-radius:8px;background:rgba(255,120,88,.15);color:var(--orange);font-size:12px;font-weight:800}
    .featured-news h3{max-width:540px;margin:16px 0 10px;font-size:27px;line-height:1.3}
    .featured-news p{margin:0;color:var(--muted);font-size:15px}
    .news-meta{display:flex;gap:15px;margin-top:22px;color:#8e9989;font:12px var(--mono)}
    .news-list{display:flex;flex-direction:column;gap:12px}
    .news-item{display:grid;grid-template-columns:74px 1fr auto;gap:17px;align-items:center;padding:18px 19px;border:1px solid var(--line-dark);border-radius:15px;background:var(--paper-soft);transition:.22s}
    .news-item:hover{border-color:var(--lime-dark);transform:translateX(4px)}
    .news-date{color:var(--muted-dark);font:700 12px/1.35 var(--mono)}
    .news-item h3{margin:0 0 4px;font-size:17px;line-height:1.4}
    .news-item p{margin:0;color:#687064;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .news-arrow{color:var(--lime-dark);font-size:22px}
    .timeline{position:relative;max-width:900px;margin:0 auto}
    .timeline:before{content:"";position:absolute;left:91px;top:10px;bottom:10px;width:1px;background:rgba(184,233,75,.38)}
    .timeline-item{display:grid;grid-template-columns:72px 38px 1fr;gap:20px;align-items:start;padding:0 0 28px}
    .timeline-date{padding-top:2px;color:var(--muted);font:700 12px var(--mono);text-align:right}
    .timeline-dot{position:relative;z-index:1;width:11px;height:11px;margin:6px auto 0;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(184,233,75,.13)}
    .timeline-content{padding:20px 23px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}
    .timeline-content h3{margin:0 0 6px;font-size:19px}
    .timeline-content p{margin:0;color:var(--muted);font-size:14px}
    .timeline-content a{display:inline-block;margin-top:12px;color:var(--lime);font-size:14px;font-weight:700}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{border:1px solid var(--line-dark);border-radius:14px;background:rgba(255,255,255,.45);overflow:hidden}
    .faq-item summary{padding:18px 20px;cursor:pointer;font-weight:800;list-style:none}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";float:right;color:var(--lime-dark);font-size:22px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 20px 18px;color:#5d675b;font-size:15px}
    .cta{padding:60px 0;background:#252a23;border-top:1px solid var(--line)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{margin:0 0 8px;font-size:32px;letter-spacing:-.04em}
    .cta p{margin:0;color:var(--muted);max-width:650px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1.2}
    .btn-primary{background:var(--lime);color:#182013;box-shadow:0 7px 0 rgba(107,144,35,.72)}
    .btn-primary:hover{background:#cdf572;color:#182013;transform:translateY(-2px)}
    .btn-secondary{color:var(--paper);border-color:rgba(245,243,236,.42);background:rgba(255,255,255,.03)}
    .btn-secondary:hover{color:var(--lime);border-color:var(--lime)}
    .site-footer{padding:55px 0 20px;border-top:2px solid var(--lime);background:#10110f;color:var(--paper)}
    .footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}
    .footer-brand .brand{margin-bottom:17px}
    .footer-brand p{max-width:330px;margin:0;color:var(--muted);font-size:14px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{margin:0 0 9px;font-size:15px;color:var(--paper)}
    .footer-col a{color:var(--muted);font-size:14px}
    .footer-col 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:#737b70;font-size:12px}
    @media(max-width:992px){
      .main-nav a{padding-left:8px;padding-right:8px}
      .brand{min-width:auto}
      .hero-layout,.news-grid{grid-template-columns:1fr}
      .window-note{max-width:520px}
      .topic-strip{grid-template-columns:1fr 1fr}
      .topic-card:first-child{grid-column:span 2}
      .footer-top{grid-template-columns:1.5fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,600px)}
      .site-header{height:62px}
      .header-inner{position:relative}
      .main-nav{display:none;position:absolute;top:61px;left:-16px;right:-16px;padding:17px 22px 22px;flex-direction:column;align-items:stretch;background:#171816;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 4px;border-bottom:1px solid rgba(245,243,236,.08)}
      .main-nav a:after{display:none}
      .header-action{display:none}
      .menu-toggle{display:block}
      .page-hero{padding:48px 0 42px}
      h1{font-size:38px}
      .section{padding:62px 0}
      .section-head,.cta-inner{display:block}
      .section-intro{margin-top:14px}
      .topic-strip,.faq-grid{grid-template-columns:1fr}
      .topic-card:first-child{grid-column:auto}
      .timeline:before{left:5px}
      .timeline-item{grid-template-columns:1px 20px 1fr;gap:12px}
      .timeline-date{position:absolute;left:30px;margin-top:-3px;text-align:left}
      .timeline-content{margin-top:25px}
      .footer-top{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:span 2}
    }
    @media(max-width:520px){
      .hero-description{font-size:16px}
      .news-item{grid-template-columns:1fr auto;gap:5px 12px}
      .news-date{grid-column:1 / -1}
      .news-item p{white-space:normal}
      .featured-news{padding:24px}
      .news-visual{margin:-24px -24px 22px}
      .footer-top{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
      .cta .btn{width:100%;margin-top:22px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category4 */
:root{
      --bg:#171816;--bg-soft:#232622;--panel:#2a2d28;--panel-deep:#1d201c;
      --paper:#f5f3ec;--paper-soft:#eae8df;--ink:#1e211d;--muted:#aab0a1;
      --muted-dark:#657064;--lime:#b8e94b;--lime-dark:#8bb530;--orange:#ff7858;
      --line:rgba(245,243,236,.14);--line-dark:rgba(30,33,29,.13);
      --radius:18px;--radius-lg:26px;--shadow:0 18px 50px rgba(0,0,0,.22);
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--paper);font-family:var(--font);font-size:16px;line-height:1.7;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.17;background-image:radial-gradient(rgba(184,233,75,.35) .65px,transparent .8px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px);background-size:18px 18px,72px 72px,72px 72px}
    a{color:inherit;text-decoration:none;transition:color .2s,border-color .2s,transform .2s,background .2s}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}
    img{max-width:100%;display:block}.container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;height:72px;border-bottom:1px solid var(--line);background:rgba(23,24,22,.93);backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;min-width:218px;font-size:17px;font-weight:900;letter-spacing:-.04em;line-height:1.2}
    .brand-mark{display:grid;grid-template-columns:repeat(2,7px);gap:3px;width:29px;height:29px;padding:5px;border:1px solid rgba(184,233,75,.75);border-radius:8px;background:#20241b;box-shadow:inset 0 0 0 2px rgba(184,233,75,.08)}
    .brand-mark i{display:block;border-radius:1px;background:var(--lime)}.brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px}.main-nav a{position:relative;padding:24px 12px 21px;color:#d8d9d1;font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:after{content:"";position:absolute;bottom:14px;left:50%;width:0;height:2px;border-radius:3px;background:var(--lime);transition:.2s}.main-nav a:hover,.main-nav a.active{color:var(--lime)}.main-nav a:hover:after,.main-nav a.active:after{left:12px;width:calc(100% - 24px)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:12px;font-weight:800;line-height:1.2;cursor:pointer}.btn-primary{background:var(--lime);color:#182013;box-shadow:0 7px 0 rgba(107,144,35,.72)}.btn-primary:hover{background:#cdf572;transform:translateY(-2px);box-shadow:0 9px 0 rgba(107,144,35,.72),0 10px 28px rgba(184,233,75,.12)}.btn-secondary{color:var(--paper);border-color:rgba(245,243,236,.42);background:rgba(255,255,255,.03)}.btn-secondary:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-2px)}.header-action{min-height:40px;padding:8px 14px;font-size:14px;border-radius:10px}.menu-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--paper);font-size:21px}
    .page-banner{padding:66px 0 58px;border-bottom:1px solid var(--line);background:linear-gradient(120deg,rgba(184,233,75,.08),transparent 42%)}.crumbs{color:var(--muted);font-size:13px;margin-bottom:22px}.crumbs a:hover{color:var(--lime)}.crumbs span{margin:0 8px;color:var(--orange)}
    .eyebrow{color:var(--lime);font:700 12px var(--mono);letter-spacing:.08em;text-transform:uppercase}.page-banner h1{max-width:800px;margin:12px 0 16px;font-size:clamp(34px,5vw,54px);line-height:1.16;letter-spacing:-.06em}.page-banner p{max-width:720px;margin:0;color:#c9cdc2;font-size:17px}
    .page-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.tag{display:inline-flex;align-items:center;padding:7px 11px;border:1px solid rgba(184,233,75,.32);border-radius:9px;color:#dcebbd;background:rgba(184,233,75,.08);font-size:13px}.tag.orange{border-color:rgba(255,120,88,.4);color:#ffc1b3;background:rgba(255,120,88,.08)}
    .section{padding:82px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-title{margin:8px 0 0;font-size:clamp(28px,3.5vw,38px);line-height:1.2;letter-spacing:-.04em}.section-intro{max-width:570px;margin:0;color:var(--muted)}
    .download-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:stretch}.device-panel{position:relative;min-height:390px;padding:28px;border:1px solid rgba(245,243,236,.16);border-radius:24px;background:linear-gradient(145deg,#343830,#1e211d 68%);box-shadow:var(--shadow);overflow:hidden}.device-panel:after{content:"";position:absolute;width:280px;height:280px;right:-90px;bottom:-110px;border-radius:50%;background:rgba(184,233,75,.1)}
    .device{position:relative;z-index:1;width:205px;height:325px;margin:5px auto 0;padding:11px;border:7px solid #10120f;border-radius:28px;background:#30352b;box-shadow:0 20px 35px rgba(0,0,0,.35);transform:rotate(-5deg)}.device-screen{height:100%;padding:17px 12px;border-radius:17px;background:#20251d;border:1px solid rgba(184,233,75,.35)}.screen-top{height:8px;width:58%;margin-bottom:25px;background:var(--lime);border-radius:5px}.screen-icon{height:102px;border-radius:13px;background:linear-gradient(135deg,rgba(184,233,75,.32),rgba(255,120,88,.2));border:1px solid rgba(245,243,236,.2);position:relative}.screen-icon:before{content:"PG";position:absolute;left:25px;top:25px;color:var(--lime);font:bold 40px var(--mono);transform:rotate(-8deg)}.screen-lines{height:8px;margin:18px 4px 0;background:#aab0a1;border-radius:4px;opacity:.5;box-shadow:0 15px 0 rgba(170,176,161,.25)}.screen-button{height:38px;margin-top:34px;border-radius:9px;background:var(--lime);color:#182013;text-align:center;font-weight:900;font-size:13px;padding-top:6px}
    .download-copy{padding:12px 0}.download-copy h2{font-size:clamp(28px,4vw,40px);line-height:1.25;margin:10px 0 18px;color:var(--paper)}.download-copy p{color:var(--muted);max-width:590px}.platforms{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.platform{padding:9px 14px;border:1px solid var(--line);border-radius:10px;background:var(--panel);font-size:14px}.platform strong{color:var(--lime);margin-right:5px}.download-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.notice{margin-top:24px;padding:15px 17px;border-left:3px solid var(--orange);background:rgba(255,120,88,.08);color:#d8c5be;font-size:14px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.step{position:relative;padding:28px 22px 30px;border-right:1px solid var(--line)}.step:last-child{border-right:0}.step-number{color:var(--lime);font:700 14px var(--mono)}.step h3{font-size:20px;margin:14px 0 8px}.step p{margin:0;color:var(--muted);font-size:15px}.step:after{content:"→";position:absolute;right:-10px;top:42px;width:20px;text-align:center;color:var(--lime);background:var(--bg);z-index:2}.step:last-child:after{display:none}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.feature-card,.news-card,.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:25px}.feature-card.large{min-height:245px;background:linear-gradient(135deg,#30372a,#252823)}.feature-card h3,.news-card h3{font-size:21px;margin:10px 0}.feature-card p,.news-card p{color:var(--muted);margin:0}.feature-stack{display:grid;gap:18px}.feature-card:hover,.news-card:hover{border-color:rgba(184,233,75,.55);transform:translateY(-2px)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{padding:0;overflow:hidden;background:rgba(255,255,255,.03)}.faq-item summary{padding:19px 22px;cursor:pointer;font-weight:800;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";float:right;color:var(--lime);font-size:22px}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:15px}
    .cta{padding:45px;border:1px solid rgba(184,233,75,.32);border-radius:var(--radius-lg);background:linear-gradient(120deg,rgba(184,233,75,.13),rgba(255,120,88,.06));display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0 0 8px;font-size:30px}.cta p{margin:0;color:var(--muted)}
    .site-footer{border-top:2px solid var(--lime);padding-top:52px;background:#11130f}.footer-top{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}.footer-brand p{max-width:330px;color:var(--muted);font-size:14px;margin-top:20px}.footer-col{display:flex;flex-direction:column;gap:9px}.footer-col h3{font-size:15px;margin:4px 0 8px;color:var(--paper)}.footer-col a{color:var(--muted);font-size:14px}.footer-col a:hover{color:var(--lime);padding-left:3px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid var(--line);color:#778073;font-size:13px}
    @media(max-width:992px){.main-nav{gap:0}.main-nav a{padding-left:8px;padding-right:8px}.header-action{display:none}.download-grid,.feature-grid{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line)}.step:nth-child(2):after{display:none}.footer-top{grid-template-columns:1.5fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 32px,600px)}.site-header{height:62px}.brand{min-width:0;font-size:15px}.main-nav{display:none;position:absolute;top:62px;left:0;right:0;padding:15px 16px 24px;flex-direction:column;align-items:stretch;background:var(--bg-soft);border-bottom:1px solid var(--line)}.main-nav.open{display:flex}.main-nav a{padding:13px 10px}.main-nav a:after{bottom:5px;left:10px!important;width:0!important}.main-nav a.active:after,.main-nav a:hover:after{width:32px!important}.menu-toggle{display:block}.page-banner{padding:48px 0 42px}.section{padding:60px 0}.section-head{display:block}.section-intro{margin-top:13px}.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}.step:after{content:"↓";top:auto;bottom:-14px;right:50%;background:var(--bg)}.step:last-child:after{display:none}.faq-grid{grid-template-columns:1fr}.cta{display:block;padding:30px}.cta .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}}
    @media(max-width:520px){.hero-actions,.download-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.device-panel{min-height:365px}.footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* 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}