/* roulang page: index */
:root{
  --bg-0:#14111A;
  --bg-1:#1C1822;
  --bg-2:#262130;
  --line:#35303F;
  --text:#F4F1EA;
  --text-2:#B4AEC0;
  --text-3:#7E788C;
  --accent:#C8F45A;
  --accent-ink:#1A2010;
  --accent-2:#FF7A45;
  --r-card:18px;
  --r-media:20px;
  --r-panel:24px;
  --shadow:0 20px 40px -24px rgba(0,0,0,.75), inset 0 0 0 1px rgba(255,255,255,.05);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
button{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:.01em}
input,textarea,select{font:inherit}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.grid-container{max-width:var(--maxw);width:100%;margin:0 auto;padding-left:32px;padding-right:32px}
@media (max-width:767px){.grid-container{padding-left:20px;padding-right:20px}}

/* ---------- 按钮与通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .25s ease,border-color .25s ease,color .25s ease,transform .15s ease,filter .25s ease;
}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.06);color:var(--accent-ink)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-dark{background:var(--accent-ink);color:var(--accent)}
.btn-dark:hover{filter:brightness(1.18);color:var(--accent)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--text);position:relative}
.link-arrow .arr{transition:transform .25s ease}
.link-arrow:hover .arr{transform:translateX(4px)}
.link-arrow:hover{color:var(--accent)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.04em;line-height:1;
}
.badge-accent{background:var(--accent);color:var(--accent-ink)}
.badge-coral{border:1px solid var(--accent-2);color:var(--accent-2)}
.badge-outline{border:1px solid var(--line);color:var(--text-2)}
.dot{display:inline-block;width:6px;height:6px;border-radius:2px;background:var(--accent);vertical-align:middle}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg-0);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:baseline;gap:6px;color:var(--text);font-size:19px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand .brand-main{position:relative}
.brand .brand-main::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);opacity:.85;border-radius:2px}
.brand .brand-sub{font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:38px}
.nav-links a{position:relative;font-size:15px;letter-spacing:.02em;color:var(--text-2);padding:6px 0;transition:color .2s ease}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:1.5px;background:var(--accent);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;
  border-radius:12px;cursor:pointer;position:relative;
}
.nav-toggle span{position:absolute;left:12px;right:12px;height:1.5px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle span:nth-child(1){top:17px}
.nav-toggle span:nth-child(2){top:25px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}
.mobile-menu{
  display:none;position:fixed;left:0;right:0;top:60px;bottom:0;
  background:var(--bg-0);padding:32px 20px 48px;z-index:75;
  border-top:1px solid var(--line);overflow-y:auto;
}
.mobile-menu.is-open{display:flex;flex-direction:column;gap:4px}
.mobile-menu a.m-link{font-size:24px;line-height:56px;color:var(--text-2);border-bottom:1px solid var(--line);transition:color .2s ease}
.mobile-menu a.m-link:hover,.mobile-menu a.m-link.active{color:var(--accent)}
.mobile-menu .btn{margin-top:28px;width:100%}
@media (max-width:1023px){
  .nav-links,.nav-right .btn{display:none}
  .nav-toggle{display:block}
  .nav-inner{height:60px}
}
@media (max-width:1023px){.site-header{position:sticky}}

/* ---------- Hero ---------- */
.hero{position:relative;padding:88px 0 96px;overflow:hidden}
.hero::before{
  content:"";position:absolute;width:560px;height:560px;top:-200px;right:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,244,90,.085),rgba(200,244,90,0) 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;bottom:-240px;left:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.075),rgba(255,122,69,0) 70%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(200,244,90,.45);color:var(--accent);
  font-size:13px;letter-spacing:.06em;line-height:1.6;margin-bottom:24px;
}
.hero h1{
  font-size:clamp(34px,5.2vw,58px);line-height:1.2;letter-spacing:.005em;margin-bottom:20px;font-weight:700;
}
.hero h1 .hl{
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-size:100% 3px;background-position:0 94%;
  padding-bottom:2px;
}
.hero-sub{font-size:17px;line-height:1.9;color:var(--text-2);max-width:34em;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px}
.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:var(--r-media);overflow:hidden;background:var(--bg-2);
  border:1px solid var(--line);aspect-ratio:4/5;box-shadow:var(--shadow);
}
.hero-frame img{width:100%;height:100%;object-fit:cover}
.hero-frame .grid-tex{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:46px 46px;opacity:.55;
}
.hero-frame .fade{
  position:absolute;left:0;right:0;bottom:0;height:48%;pointer-events:none;
  background:linear-gradient(to top,var(--bg-0) 4%,rgba(20,17,26,0) 100%);
}
.float-chip{
  position:absolute;background:var(--bg-2);border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:0 18px 36px -22px rgba(0,0,0,.85);min-width:168px;
}
.float-chip .fc-label{font-size:12px;color:var(--text-3);letter-spacing:.04em;margin-bottom:8px;display:flex;justify-content:space-between;gap:12px}
.float-chip .fc-value{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--text)}
.chip-a{top:24px;right:-14px}
.chip-b{bottom:64px;left:-16px}
.mini-bar{height:6px;border-radius:999px;background:var(--line);overflow:hidden;margin-top:10px}
.mini-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#E6FF9E)}
@media (max-width:1023px){
  .hero{padding:64px 0 72px}
  .chip-a{right:8px;top:16px}
  .chip-b{left:8px;bottom:20px}
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px}
  .hero-visual{order:2}
  .hero-copy{order:1}
}
@media (max-width:520px){
  .float-chip{min-width:140px;padding:10px 12px}
  .hero-actions .btn{width:100%}
}

/* ---------- 数据条 ---------- */
.stat-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-1)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:32px 28px;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:none;padding-left:0}
.stat-num{font-size:30px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;color:var(--text)}
.stat-num em{font-style:normal;font-size:16px;font-weight:600;color:var(--accent);margin-left:4px}
.stat-label{font-size:14px;color:var(--text-3);margin-top:6px;line-height:1.7}
@media (max-width:1023px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item{padding:26px 20px}
  .stat-item:nth-child(odd){border-left:none;padding-left:0}
  .stat-item:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width:520px){
  .stat-num{font-size:24px}
  .stat-item{padding:20px 14px}
}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.section-title{font-size:clamp(24px,2.8vw,32px);line-height:1.3;margin-bottom:10px}
.section-desc{font-size:15px;color:var(--text-2);max-width:56ch;line-height:1.85;margin:0}
@media (max-width:1023px){.section{padding:72px 0}}
@media (max-width:639px){.section{padding:56px 0}.section-head{margin-bottom:30px}}

/* ---------- 玩法介绍 ---------- */
.play-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}
.play-item{padding:38px 34px 34px;border-bottom:1px solid var(--line);position:relative;transition:background-color .25s ease}
.play-item:nth-child(2n){border-left:1px solid var(--line)}
.play-item:hover{background:var(--bg-1)}
.play-num{font-size:56px;font-weight:700;line-height:1;color:rgba(200,244,90,.18);font-variant-numeric:tabular-nums;margin-bottom:14px}
.play-item h3{font-size:22px;margin-bottom:10px}
.play-item p{font-size:15px;line-height:1.85;color:var(--text-2);margin:0;max-width:32em}
.play-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
@media (max-width:767px){
  .play-grid{grid-template-columns:1fr}
  .play-item:nth-child(2n){border-left:none}
  .play-item{padding:28px 4px}
  .play-num{font-size:44px}
}

/* ---------- 奖励轨道 ---------- */
.track-wrap{position:relative}
.track-wrap::after{
  content:"";position:absolute;top:0;right:0;bottom:16px;width:72px;pointer-events:none;
  background:linear-gradient(to right,rgba(28,24,34,0),var(--bg-1));
}
.track{display:flex;gap:24px;overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.track::-webkit-scrollbar{height:6px}
.track::-webkit-scrollbar-track{background:var(--line);border-radius:999px}
.track::-webkit-scrollbar-thumb{background:#4E4759;border-radius:999px}
.reward-card{
  flex:0 0 300px;scroll-snap-align:start;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:rgba(200,244,90,.35)}
.reward-thumb{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:var(--bg-1);border:1px solid var(--line)}
.reward-thumb img{width:100%;height:100%;object-fit:cover}
.reward-thumb .badge{position:absolute;left:10px;top:10px}
.reward-card h3{font-size:18px;margin:16px 0 8px;line-height:1.45}
.reward-card p{font-size:14px;line-height:1.8;color:var(--text-2);margin:0 0 16px}
.reward-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:14px}
.reward-foot span{font-size:13px;color:var(--text-3)}
@media (max-width:639px){.reward-card{flex:0 0 82%}}

/* ---------- 任务进度 ---------- */
.task-list{border-top:1px solid var(--line)}
.task-row{
  display:grid;grid-template-columns:32% minmax(0,1fr) auto;gap:28px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.task-name{font-size:16px;font-weight:600;line-height:1.6}
.task-name small{display:block;font-size:13px;font-weight:400;color:var(--text-3);margin-top:2px}
.bar{height:6px;border-radius:999px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#E6FF9E);transition:width .4s ease}
.task-pct{font-size:13px;color:var(--text-3);margin-top:8px;font-variant-numeric:tabular-nums}
@media (max-width:767px){
  .task-row{grid-template-columns:1fr auto;gap:10px 16px;padding:18px 0}
  .task-row .bar-wrap{grid-column:1 / -1}
}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  background:var(--accent);color:var(--accent-ink);border-radius:var(--r-panel);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-panel h2{font-size:clamp(24px,3vw,32px);line-height:1.3;color:var(--accent-ink);margin-bottom:10px}
.cta-panel p{margin:0;font-size:15px;line-height:1.8;color:rgba(26,32,16,.82);max-width:46ch}
.cta-panel .btn{flex:0 0 auto}
@media (max-width:767px){
  .cta-panel{padding:32px 24px;flex-direction:column;align-items:flex-start;gap:24px}
  .cta-panel .btn{width:100%}
}

/* ---------- 最新信息列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 26px 22px;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(200,244,90,.35)}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.news-meta time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.news-card h3{font-size:19px;line-height:1.55;margin-bottom:10px}
.news-card h3 a{transition:color .2s ease}
.news-card h3 a:hover{color:var(--accent)}
.news-card p{font-size:14.5px;line-height:1.85;color:var(--text-2);margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.news-foot .link-arrow{font-size:14px}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center;
  color:var(--text-3);font-size:15px;background:var(--bg-1);
}
@media (max-width:767px){.news-grid{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:600;line-height:1.6;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent)}
.faq-item summary .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);
  position:relative;transition:border-color .2s ease,background-color .2s ease;
}
.faq-item summary .sign::before,
.faq-item summary .sign::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:transform .2s ease,background-color .2s ease;
}
.faq-item summary .sign::before{left:6px;right:6px;top:12px;height:1.5px}
.faq-item summary .sign::after{top:6px;bottom:6px;left:12px;width:1.5px}
.faq-item[open] summary .sign{border-color:rgba(200,244,90,.5);background:rgba(200,244,90,.08)}
.faq-item[open] summary .sign::before,
.faq-item[open] summary .sign::after{background:var(--accent)}
.faq-item[open] summary .sign::after{transform:scaleY(0)}
.faq-answer{font-size:15.5px;line-height:1.9;color:var(--text-2);padding:0 0 24px;max-width:64ch}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);padding:72px 0 32px;background:var(--bg-0)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:34ch;margin:0}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--text-3);font-weight:600;margin-bottom:18px}
.footer-col li{margin-bottom:12px}
.footer-col a,.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8;transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:var(--text-3);line-height:1.7}
.footer-bottom .disclaimer{font-size:12.5px}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:639px){
  .site-footer{padding:56px 0 28px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{margin-top:36px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-0:#14111A;
  --bg-1:#1C1822;
  --bg-2:#262130;
  --line:#35303F;
  --text:#F4F1EA;
  --text-2:#B4AEC0;
  --text-3:#7E788C;
  --accent:#C8F45A;
  --accent-ink:#1A2010;
  --accent-2:#FF7A45;
  --paper:#FAF7F1;
  --paper-ink:#1B1720;
  --paper-line:#E4DCCC;
  --paper-link:#5A7A10;
  --r-card:18px;
  --r-img:20px;
  --r-panel:24px;
  --r-pill:999px;
  --r-input:12px;
  --shadow:0 20px 40px -24px rgba(0,0,0,.75);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease,transform .22s ease;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.grid-container{
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
  width:100%;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg-0);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  height:72px;
  display:flex;
  align-items:center;
  gap:32px;
}
.brand{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  white-space:nowrap;
}
.brand-main{
  font-size:20px;
  font-weight:700;
  letter-spacing:.03em;
  color:var(--text);
}
.brand-main::after{
  content:"";
  display:inline-block;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
  margin-left:6px;
  vertical-align:middle;
  position:relative;
  top:-2px;
}
.brand-sub{
  font-size:12.5px;
  font-weight:500;
  color:var(--text-3);
  letter-spacing:.08em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:30px;
  margin-left:12px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  letter-spacing:.02em;
  color:var(--text-2);
  padding:6px 0;
}
.nav-links a:hover{color:var(--text);}
.nav-links a.active{
  color:var(--text);
  font-weight:600;
}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-8px;
  height:1.5px;
  background:var(--accent);
  border-radius:2px;
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:transparent;
  padding:0;
  position:relative;
}
.nav-toggle span{
  position:absolute;
  left:13px;
  right:13px;
  height:1.5px;
  background:var(--text);
  border-radius:2px;
  transition:transform .24s ease,opacity .24s ease;
}
.nav-toggle span:nth-child(1){top:16px;}
.nav-toggle span:nth-child(2){top:25px;}
.menu-open .nav-toggle span:nth-child(1){transform:translateY(4.5px) rotate(45deg);}
.menu-open .nav-toggle span:nth-child(2){transform:translateY(-4.5px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--accent);
  color:var(--accent-ink);
}
.btn-primary:hover{filter:brightness(1.06);color:var(--accent-ink);}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-dark{
  background:var(--bg-0);
  color:var(--text);
  border-color:rgba(20,17,26,.35);
}
.btn-dark:hover{filter:brightness(1.15);color:var(--text);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  border-bottom:1px solid transparent;
}
.link-arrow .arw{transition:transform .22s ease;}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover .arw{transform:translateX(4px);}

/* ---------- article hero ---------- */
.article-top{
  padding:56px 0 8px;
  position:relative;
}
.article-top::before{
  content:"";
  position:absolute;
  top:-80px;
  right:6%;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,244,90,.08),transparent 68%);
  pointer-events:none;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
  margin-bottom:26px;
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{color:#4A4457;}
.crumbs .cur{color:var(--text);}
.article-head{
  max-width:800px;
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  background:rgba(200,244,90,.14);
  color:var(--accent);
  border:1px solid rgba(200,244,90,.32);
}
.article-head h1{
  margin:18px 0 22px;
  font-size:clamp(28px,4vw,42px);
  line-height:1.24;
  color:var(--text);
  word-break:break-word;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  font-size:13.5px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
  padding-bottom:28px;
  border-bottom:1px solid var(--line);
}
.article-meta .dot{
  width:4px;
  height:4px;
  border-radius:50%;
  background:#4A4457;
}

/* ---------- paper body ---------- */
.article-wrap{
  padding:40px 0 0;
}
.paper{
  max-width:760px;
  margin:0 auto;
  background:var(--paper);
  color:var(--paper-ink);
  border-radius:var(--r-img);
  box-shadow:var(--shadow),inset 0 0 0 1px rgba(255,255,255,.05);
  padding:clamp(24px,4vw,48px);
}
.article-body{
  font-size:17.5px;
  line-height:1.95;
  color:var(--paper-ink);
  word-break:break-word;
}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-size:26px;
  line-height:1.32;
  margin:40px 0 16px;
  color:#151118;
}
.article-body h3{
  font-size:20px;
  line-height:1.4;
  margin:30px 0 12px;
  color:#151118;
}
.article-body h4{
  font-size:17px;
  margin:24px 0 10px;
}
.article-body a{
  color:var(--paper-link);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{color:#3E5A06;}
.article-body ul,
.article-body ol{
  margin:0 0 1.2em;
  padding-left:1.15em;
}
.article-body li{margin-bottom:.55em;line-height:1.9;}
.article-body ul li{
  list-style:none;
  position:relative;
  padding-left:1.05em;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:7px;
  height:7px;
  background:var(--paper-link);
  border-radius:1px;
}
.article-body ol{list-style:decimal;}
.article-body ol li::marker{color:var(--paper-link);font-weight:700;}
.article-body blockquote{
  margin:26px 0;
  padding:16px 22px;
  border-left:3px solid var(--accent-2);
  background:#F2ECDF;
  border-radius:0 12px 12px 0;
  color:#2B2630;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:14px;
  margin:22px 0 10px;
  width:100%;
}
.article-body figure{margin:22px 0;}
.article-body figcaption{
  font-size:13px;
  line-height:1.7;
  color:#6E6A75;
  margin-top:8px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:0 0 1.3em;
  font-size:15px;
}
.article-body th,
.article-body td{
  border-bottom:1px solid var(--paper-line);
  padding:10px 12px;
  text-align:left;
  vertical-align:top;
}
.article-body th{
  font-weight:700;
  color:#151118;
  font-size:14px;
  letter-spacing:.02em;
}
.article-body code{
  background:#EFE9DC;
  border-radius:6px;
  padding:1px 6px;
  font-size:.92em;
}
.article-body hr{
  border:0;
  border-top:1px solid var(--paper-line);
  margin:32px 0;
}
.article-empty{
  text-align:center;
  padding:16px 0 8px;
}
.article-empty strong{
  display:block;
  font-size:20px;
  margin-bottom:10px;
  color:#151118;
}
.article-empty p{color:#5C5766;margin-bottom:22px;}

.article-foot{
  max-width:760px;
  margin:0 auto;
  padding:28px 0 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 22px;
  font-size:14px;
  color:var(--text-3);
}
.article-foot .link-arrow{font-size:14px;}

/* ---------- sections ---------- */
.section{padding:88px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  color:var(--text);
}
.section-head .sub{
  font-size:14px;
  color:var(--text-3);
  margin-top:8px;
}
.rec-list{
  display:grid;
  gap:16px;
}
.rec-item{
  display:flex;
  align-items:center;
  gap:20px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease;
}
.rec-item:hover{
  transform:translateY(-4px);
  border-color:rgba(200,244,90,.35);
}
.rec-item .rec-txt{flex:1 1 auto;min-width:0;}
.rec-item h3{
  font-size:18px;
  color:var(--text);
  margin-bottom:8px;
}
.rec-item p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
  margin:0;
}
.rec-item .rec-arw{
  flex:0 0 auto;
  width:38px;
  height:38px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  font-size:16px;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.rec-item:hover .rec-arw{
  background:var(--accent);
  color:var(--accent-ink);
  border-color:var(--accent);
}

/* ---------- faq ---------- */
.faq{
  border-top:1px solid var(--line);
}
.faq details{
  border-bottom:1px solid var(--line);
}
.faq summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--accent);}
.faq summary .sign{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:400;
  color:var(--text-2);
  transition:transform .22s ease,border-color .22s ease,color .22s ease;
}
.faq details[open] summary .sign{
  transform:rotate(45deg);
  border-color:var(--accent);
  color:var(--accent);
}
.faq .answer{
  padding:0 0 24px;
  max-width:820px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--text-2);
}

/* ---------- cta ---------- */
.cta-panel{
  margin-top:88px;
  background:var(--accent);
  color:var(--accent-ink);
  border-radius:var(--r-panel);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-panel h2{
  font-size:clamp(22px,2.8vw,30px);
  color:var(--accent-ink);
  margin-bottom:12px;
}
.cta-panel p{
  font-size:15px;
  line-height:1.8;
  color:rgba(26,32,16,.78);
  max-width:560px;
  margin:0;
}
.cta-panel .btn{flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  padding:72px 0 32px;
  background:var(--bg-0);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  letter-spacing:.06em;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  font-size:14.5px;
  color:var(--text-2);
}
.footer-col ul li a:hover{color:var(--accent);}
.footer-col p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  margin-bottom:8px;
}
.footer-bottom{
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .disclaimer{
  font-size:12.5px;
  color:#6C6679;
  max-width:640px;
  line-height:1.7;
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .grid-container{padding-left:26px;padding-right:26px;}
  .header-inner{padding:0 26px;height:66px;gap:20px;}
  .nav-links{gap:22px;margin-left:0;}
  .section{padding:72px 0 0;}
  .cta-panel{margin-top:72px;padding:40px;}
  .site-footer{margin-top:72px;padding-top:56px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .nav-toggle{display:block;}
  .header-inner{height:60px;padding:0 20px;}
  .nav-links{
    position:fixed;
    inset:60px 0 0 0;
    background:var(--bg-0);
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    padding:32px 24px 40px;
    gap:0;
    margin:0;
    display:none;
    z-index:55;
    border-top:1px solid var(--line);
  }
  .menu-open .nav-links{display:flex;}
  .nav-links a{
    font-size:24px;
    line-height:56px;
    width:100%;
    color:var(--text);
    border-bottom:1px solid var(--line);
  }
  .nav-links a.active::after{display:none;}
  .header-actions .btn{display:none;}
  .menu-open{overflow:auto;}
  .section{padding:56px 0 0;}
  .article-top{padding:40px 0 0;}
  .article-head h1{font-size:30px;}
  .article-wrap{padding-top:28px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:22px;margin-top:32px;}
  .article-body h3{font-size:18.5px;}
  .rec-item{padding:18px;gap:14px;}
  .rec-item h3{font-size:16.5px;}
  .cta-panel{
    margin-top:56px;
    flex-direction:column;
    align-items:flex-start;
    padding:32px 24px;
    gap:20px;
  }
  .cta-panel .btn{width:100%;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:519px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .article-head h1{font-size:26px;}
  .article-meta{font-size:13px;}
  .paper{padding:22px 20px;border-radius:16px;}
  .article-body{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --bg-0:#14111A;
  --bg-1:#1C1822;
  --bg-2:#262130;
  --line:#35303F;
  --text:#F4F1EA;
  --text-2:#B4AEC0;
  --text-3:#7E788C;
  --accent:#C8F45A;
  --accent-ink:#1A2010;
  --accent-2:#FF7A45;
  --radius-card:18px;
  --radius-panel:24px;
  --shadow:0 20px 40px -24px rgba(0,0,0,.75);
  --shadow-inset:inset 0 0 0 1px rgba(255,255,255,.05);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--accent)}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{font-weight:700;line-height:1.28;color:var(--text)}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.grid-container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
}
/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg-0);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  flex:none;
}
.brand-main{
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
  line-height:1;
}
.brand-sub{
  font-size:12px;
  font-weight:500;
  letter-spacing:.1em;
  color:var(--text-3);
  line-height:1;
}
.brand:hover .brand-main{color:var(--text)}
.brand:hover .brand-sub{color:var(--accent)}
.nav-links{
  display:flex;
  align-items:center;
  gap:38px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:0 0 8px;
  font-size:15px;
  font-weight:400;
  letter-spacing:.02em;
  color:var(--text-2);
  line-height:1.4;
}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text);font-weight:600}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:1.5px;
  background:var(--accent);
  border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:14px;flex:none}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 22px;
  border-radius:999px;
  background:var(--accent);
  color:var(--accent-ink);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:filter .2s ease,transform .2s ease;
}
.nav-cta:hover{color:var(--accent-ink);filter:brightness(1.06);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  padding:0;
  border-radius:10px;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:1.5px;
  margin:5px auto;
  background:var(--text);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle.is-active span:first-child{transform:translateY(3.25px) rotate(45deg)}
.nav-toggle.is-active span:last-child{transform:translateY(-3.25px) rotate(-45deg)}
.mobile-menu{display:none}
body.menu-open{overflow:hidden}
/* page head */
.page-head{
  position:relative;
  overflow:hidden;
  padding:56px 0 52px;
  border-bottom:1px solid var(--line);
  background:var(--bg-0);
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.2;
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.95) 0%,rgba(0,0,0,.35) 48%,transparent 82%);
  mask-image:linear-gradient(90deg,rgba(0,0,0,.95) 0%,rgba(0,0,0,.35) 48%,transparent 82%);
  pointer-events:none;
}
.page-head::after{
  content:"";
  position:absolute;
  width:520px;
  height:520px;
  right:-140px;
  top:-220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,244,90,.09),transparent 68%);
  pointer-events:none;
}
.page-head > .grid-container{position:relative;z-index:1}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--text-3);
  line-height:1.6;
}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span:last-child{color:var(--text)}
.page-head-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:end;
  gap:40px;
  margin-top:26px;
}
.page-head h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.24;
  letter-spacing:-.01em;
  max-width:820px;
}
.page-lead{
  margin-top:18px;
  max-width:640px;
  font-size:16.5px;
  line-height:1.92;
  color:var(--text-2);
}
.count-badge{
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px 22px;
  border:1px solid rgba(200,244,90,.4);
  border-radius:var(--radius-panel);
  background:rgba(200,244,90,.04);
  white-space:nowrap;
}
.count-num{
  font-size:34px;
  font-weight:700;
  line-height:1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.count-txt{
  font-size:12.5px;
  line-height:1.6;
  color:var(--text-2);
  letter-spacing:.04em;
}
/* sections */
.section{padding:64px 0}
.section--tight{padding:28px 0 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(22px,2.7vw,30px);
  letter-spacing:-.01em;
}
.section-head p{
  max-width:520px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
/* filter chips */
.filter-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  padding:6px 0 4px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 18px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  letter-spacing:.02em;
  background:transparent;
}
.chip.is-active{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--accent-ink);
  font-weight:600;
}
/* feature card */
.feature-card{
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  overflow:hidden;
  box-shadow:var(--shadow),var(--shadow-inset);
  transition:border-color .25s ease,transform .25s ease;
}
.feature-card:hover{
  border-color:rgba(200,244,90,.35);
  transform:translateY(-2px);
}
.feature-media{
  position:relative;
  min-height:340px;
  background:var(--bg-1);
  overflow:hidden;
}
.feature-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  inset:0;
}
.feature-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(20,17,26,0) 48%,rgba(20,17,26,.55) 100%);
  pointer-events:none;
}
.feature-body{
  padding:40px;
  display:flex;
  flex-direction:column;
  gap:18px;
  align-items:flex-start;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--text-2);
  white-space:nowrap;
}
.tag-accent{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--accent-ink);
  font-weight:600;
}
.tag-coral{
  border-color:rgba(255,122,69,.6);
  color:#FFA887;
}
.feature-body h3{
  font-size:clamp(21px,2.4vw,26px);
  line-height:1.4;
}
.feature-body > p{
  font-size:15.5px;
  line-height:1.92;
  color:var(--text-2);
  max-width:560px;
}
.feature-list{
  display:flex;
  flex-direction:column;
  gap:10px;
  width:100%;
  padding-top:4px;
}
.feature-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-2);
}
.feature-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--accent);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:4px;
  font-size:14.5px;
  font-weight:600;
  color:var(--accent);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.text-link span{transition:transform .22s ease}
.text-link:hover span{transform:translateX(4px)}
.text-link:hover{border-bottom-color:rgba(200,244,90,.5)}
/* play grid */
.play-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  margin-top:24px;
}
.play-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:28px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-inset);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.play-card:hover{
  transform:translateY(-4px);
  border-color:rgba(200,244,90,.35);
  box-shadow:var(--shadow),var(--shadow-inset);
}
.play-num{
  font-size:20px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.play-card h3{font-size:20px;line-height:1.45}
.play-card p{
  font-size:14.5px;
  line-height:1.88;
  color:var(--text-2);
}
.play-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.play-arrow{
  font-size:18px;
  color:var(--text-3);
  line-height:1;
  transition:color .22s ease,transform .22s ease;
}
.play-card:hover .play-arrow{color:var(--accent);transform:translateX(4px)}
/* steps */
.step-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.step-item{
  padding-top:24px;
  border-top:1px solid var(--line);
}
.step-num{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.step-item h3{font-size:18px;line-height:1.5;margin-bottom:10px}
.step-item p{
  font-size:14.5px;
  line-height:1.88;
  color:var(--text-2);
}
/* faq */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  width:100%;
  padding:22px 0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--accent)}
.faq-icon{
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border:1px solid var(--line);
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  line-height:1;
  transition:border-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-icon{
  border-color:rgba(200,244,90,.6);
  color:var(--accent);
}
.faq-a{display:none;padding:0 0 22px}
.faq-item.is-open .faq-a{display:block}
.faq-a p{
  max-width:760px;
  font-size:15.5px;
  line-height:1.92;
  color:var(--text-2);
}
/* cta */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  padding:40px 48px;
  border-radius:var(--radius-panel);
  background:var(--accent);
  color:var(--accent-ink);
}
.cta-band h2{
  font-size:clamp(22px,2.8vw,30px);
  line-height:1.35;
  color:var(--accent-ink);
  margin-bottom:10px;
}
.cta-band p{
  font-size:15px;
  line-height:1.8;
  color:rgba(26,32,16,.78);
  max-width:560px;
}
.btn-dark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:none;
  height:52px;
  padding:0 30px;
  border-radius:999px;
  background:var(--bg-0);
  color:var(--accent);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:transform .2s ease,filter .2s ease;
}
.btn-dark:hover{color:var(--accent);transform:translateY(-1px);filter:brightness(1.1)}
.btn-dark:active{transform:translateY(0)}
/* footer */
.site-footer{
  margin-top:56px;
  border-top:1px solid var(--line);
  padding-top:72px;
  padding-bottom:32px;
  background:var(--bg-0);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{
  max-width:330px;
  font-size:14px;
  line-height:1.9;
  color:var(--text-2);
}
.footer-col h4{
  font-size:14px;
  letter-spacing:.06em;
  color:var(--text);
  margin-bottom:16px;
  font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a{
  font-size:14px;
  color:var(--text-2);
}
.footer-col li a:hover{color:var(--accent)}
.footer-col p{
  font-size:13.5px;
  line-height:1.9;
  color:var(--text-2);
  margin-bottom:8px;
}
.footer-bottom{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  line-height:1.8;
}
.disclaimer{
  max-width:520px;
  font-size:12.5px;
  text-align:right;
  color:var(--text-3);
}
/* responsive */
@media (max-width:1024px){
  .grid-container{padding-left:28px;padding-right:28px}
  .nav-links{gap:28px}
  .section{padding:56px 0}
  .feature-body{padding:32px}
  .feature-media{min-height:300px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
  .cta-band{padding:36px}
}
@media (max-width:768px){
  .grid-container{padding-left:20px;padding-right:20px}
  .header-inner{height:60px;gap:16px}
  .nav-links{display:none}
  .header-actions .nav-cta{display:none}
  .nav-toggle{display:block}
  .mobile-menu{
    position:fixed;
    top:60px;
    left:0;
    right:0;
    bottom:0;
    z-index:55;
    background:var(--bg-0);
    padding:20px 20px 40px;
    flex-direction:column;
    overflow-y:auto;
  }
  .mobile-menu.is-open{display:flex}
  .mobile-menu > a:not(.mobile-cta){
    display:block;
    font-size:24px;
    font-weight:500;
    line-height:56px;
    color:var(--text);
    border-bottom:1px solid var(--line);
  }
  .mobile-menu > a.active{color:var(--accent)}
  .mobile-cta{
    margin-top:32px;
    align-self:flex-start;
    height:48px;
    padding:0 28px;
  }
  .page-head{padding:36px 0 40px}
  .page-head-row{
    grid-template-columns:1fr;
    gap:24px;
    margin-top:20px;
  }
  .count-badge{justify-self:start;padding:12px 18px}
  .page-lead{font-size:15.5px;line-height:1.9}
  .section{padding:48px 0}
  .section-head{
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
    margin-bottom:24px;
  }
  .feature-card{grid-template-columns:1fr}
  .feature-media{
    min-height:0;
    aspect-ratio:16 / 9;
  }
  .feature-media img{position:static;height:100%}
  .feature-body{padding:24px}
  .play-grid{grid-template-columns:1fr;gap:16px}
  .play-card{padding:24px}
  .step-grid{grid-template-columns:1fr;gap:20px}
  .cta-band{
    flex-direction:column;
    align-items:flex-start;
    gap:24px;
    padding:30px 24px;
  }
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;gap:12px}
  .disclaimer{text-align:left;max-width:100%}
}
@media (max-width:520px){
  .brand-main{font-size:17px}
  .brand-sub{font-size:11px}
  .page-head h1{font-size:29px}
  .section-head h2{font-size:22px}
  .filter-row{gap:8px}
  .chip{height:34px;padding:0 14px;font-size:13px}
  .footer-grid{grid-template-columns:1fr}
  .footer-col:last-child{grid-column:auto}
  .cta-band h2{font-size:22px}
  .btn-dark{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --bg-0:#14111A;
  --bg-1:#1C1822;
  --bg-2:#262130;
  --line:#35303F;
  --text:#F4F1EA;
  --text-2:#B4AEC0;
  --text-3:#7E788C;
  --accent:#C8F45A;
  --accent-ink:#1A2010;
  --accent-2:#FF7A45;
  --paper:#FAF7F1;
  --paper-ink:#1B1720;
  --radius-card:18px;
  --radius-img:20px;
  --radius-panel:24px;
  --radius-pill:999px;
  --shadow:0 20px 40px -24px rgba(0,0,0,.75);
  --shadow-inset:inset 0 0 0 1px rgba(255,255,255,.05);
  --container:1200px;
  --ease:.24s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),opacity var(--ease);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:.01em;color:var(--text);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(200,244,90,.28);color:var(--text);}

.grid-container{max-width:var(--container);padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto;}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x > .cell{padding-left:12px;padding-right:12px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--bg-0);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;height:72px;
}
.brand{display:inline-flex;align-items:baseline;gap:7px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-main{font-size:20px;font-weight:700;letter-spacing:.02em;}
.brand-sub{font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.16em;}
.nav-links{display:flex;align-items:center;gap:34px;}
.nav-links a{
  position:relative;
  font-size:15px;letter-spacing:.02em;color:var(--text-2);
  padding:6px 0;
}
.nav-links a:hover{color:var(--text);}
.nav-links a.active{color:var(--text);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:1.5px;
  background:var(--accent);border-radius:2px;
}
.header-cta{display:inline-flex;}
.nav-cta-mobile{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;
  padding:0;cursor:pointer;position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;border-radius:2px;
  background:var(--text);transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span:nth-child(1){top:17px;}
.nav-toggle span:nth-child(2){top:25px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(4px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){transform:translateY(-4px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  background:transparent;color:var(--text);
  transition:transform var(--ease),filter var(--ease),border-color var(--ease),color var(--ease),background var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--accent);color:var(--accent-ink);}
.btn-primary:hover{color:var(--accent-ink);filter:brightness(1.06);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-dark{background:var(--bg-0);color:var(--text);border-color:var(--bg-0);}
.btn-dark:hover{color:var(--accent);transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--accent);font-size:15px;font-weight:600;
}
.link-arrow span.arw{transition:transform var(--ease);}
.link-arrow:hover span.arw{transform:translateX(4px);}

/* ---------- badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;
  border-radius:var(--radius-pill);font-size:12px;font-weight:500;
  letter-spacing:.04em;white-space:nowrap;
}
.badge-accent{background:var(--accent);color:var(--accent-ink);}
.badge-coral{border:1px solid var(--accent-2);color:var(--accent-2);background:transparent;}
.badge-muted{border:1px solid var(--line);color:var(--text-3);background:transparent;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:8px;border:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);background:rgba(255,255,255,.02);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(200,244,90,.42);
  font-size:12.5px;color:var(--accent);letter-spacing:.06em;
}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.9;margin:0;}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;
  padding:52px 0 56px;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat, var(--bg-1);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,17,26,.94) 0%,rgba(20,17,26,.84) 60%,rgba(20,17,26,.95) 100%);
}
.cat-hero > .grid-container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--text);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--text);}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.22;
  margin:18px 0 16px;
  letter-spacing:.01em;
}
.cat-hero .hero-desc{
  color:var(--text-2);font-size:16.5px;line-height:1.9;
  max-width:640px;margin:0 0 26px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;}
.hero-side{
  background:rgba(38,33,48,.78);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  padding:24px;
  box-shadow:var(--shadow),var(--shadow-inset);
}
.hero-side h2{
  font-size:14px;font-weight:600;letter-spacing:.08em;
  color:var(--text-3);margin-bottom:18px;
}
.side-row{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:12px;padding:12px 0;border-bottom:1px dashed rgba(53,48,63,.9);
}
.side-row:last-child{border-bottom:0;padding-bottom:0;}
.side-row .k{font-size:14px;color:var(--text-2);}
.side-row .v{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text);}
.side-row .v small{font-size:12px;font-weight:500;color:var(--text-3);margin-left:4px;}

/* ---------- timeline ---------- */
.timeline{position:relative;}
.tl-row{
  position:relative;
  display:grid;
  grid-template-columns:140px 44px 1fr;
  align-items:start;
  padding-bottom:22px;
}
.tl-row:last-child{padding-bottom:0;}
.tl-date{padding-top:4px;}
.tl-date span{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);border:1px solid var(--line);
  background:var(--bg-2);color:var(--text-2);
  font-size:12px;font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.tl-rail{position:relative;align-self:stretch;display:flex;justify-content:center;}
.tl-rail::before{
  content:"";position:absolute;top:6px;bottom:-22px;left:50%;
  width:1px;background:var(--line);transform:translateX(-.5px);
}
.tl-row:last-child .tl-rail::before{bottom:auto;height:26px;}
.tl-dot{
  position:relative;z-index:1;width:11px;height:11px;border-radius:50%;
  background:var(--accent);margin-top:12px;
  box-shadow:0 0 0 4px rgba(200,244,90,.12);
}
.tl-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--shadow),var(--shadow-inset);
  transition:transform var(--ease),border-color var(--ease);
}
.tl-card:hover{transform:translateY(-3px);border-color:rgba(200,244,90,.35);}
.tl-card h3{font-size:19px;margin-bottom:8px;}
.tl-card p{color:var(--text-2);font-size:14.5px;line-height:1.85;margin:0 0 14px;}
.tl-card .tl-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- tiers ---------- */
.tiers{display:flex;flex-direction:column;gap:14px;max-width:960px;}
.tier{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px 20px;
  padding:20px 26px;
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--shadow),var(--shadow-inset);
  transition:transform var(--ease),border-color var(--ease);
}
.tier:hover{transform:translateY(-3px);border-color:rgba(200,244,90,.35);}
.tier-1{width:74%;}
.tier-2{width:87%;}
.tier-3{
  width:100%;
  background:linear-gradient(90deg,rgba(200,244,90,.16),rgba(200,244,90,.03));
  border-color:rgba(200,244,90,.38);
}
.tier-left{display:flex;align-items:center;gap:16px;min-width:0;}
.tier-index{
  font-size:13px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.08em;
}
.tier-name{font-size:18px;font-weight:700;}
.tier-note{font-size:13.5px;color:var(--text-3);}
.tier-right{display:flex;align-items:center;gap:10px;}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(28,24,34,.5);
}
.stat{padding:32px 28px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;}
.stat-num{
  font-size:34px;font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.stat-num em{font-style:normal;font-size:15px;font-weight:500;color:var(--text-3);margin-left:6px;}
.stat-label{margin-top:10px;color:var(--text-2);font-size:14px;line-height:1.7;}

/* ---------- rules ---------- */
.rules-wrap{display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:center;}
.rules-figure{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  aspect-ratio:4/3;
  background:var(--bg-2);
}
.rules-figure img{width:100%;height:100%;}
.rules-list{display:flex;flex-direction:column;gap:0;}
.rule-item{
  display:grid;grid-template-columns:20px 1fr;gap:14px;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.rule-item:first-child{padding-top:0;}
.rule-item:last-child{border-bottom:0;padding-bottom:0;}
.rule-dot{
  width:9px;height:9px;border-radius:2px;background:var(--accent);margin-top:10px;
}
.rule-item h3{font-size:17px;margin-bottom:6px;}
.rule-item p{color:var(--text-2);font-size:14.5px;line-height:1.85;margin:0;}

/* ---------- faq ---------- */
.faq{max-width:860px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:24px 4px 24px 0;
  font-size:17px;font-weight:600;color:var(--text);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--accent);}
.faq-item summary::after{
  content:"+";flex:none;color:var(--accent);
  font-size:22px;font-weight:400;line-height:1;
  transition:transform var(--ease);
}
.faq-item[open] summary::after{content:"−";}
.faq-body{
  padding:0 0 26px;max-width:720px;
  color:var(--text-2);font-size:15.5px;line-height:1.9;
}

/* ---------- CTA panel ---------- */
.cta-panel{
  background:var(--accent);
  color:var(--accent-ink);
  border-radius:var(--radius-panel);
  padding:48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:28px;
}
.cta-panel h2{
  color:var(--accent-ink);
  font-size:clamp(22px,2.6vw,30px);
  margin-bottom:10px;
}
.cta-panel p{
  color:rgba(26,32,16,.82);
  font-size:15.5px;line-height:1.8;margin:0;max-width:520px;
}
.cta-panel .btn-dark{height:52px;padding:0 32px;}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-0);
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  color:var(--text-3);font-size:14px;line-height:1.85;
  max-width:320px;margin:0;
}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--text);
  letter-spacing:.06em;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:var(--text-3);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-col p{color:var(--text-3);font-size:13.5px;line-height:1.8;margin:0 0 8px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;font-size:13px;color:var(--text-3);
}
.footer-bottom .disclaimer{font-size:12.5px;color:var(--text-3);max-width:620px;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .cat-hero{padding:40px 0 44px;}
  .rules-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .cta-panel{padding:36px;}
  .tier-1,.tier-2{width:100%;}
}
@media (max-width:900px){
  .header-inner{height:60px;}
  .nav-toggle{display:block;}
  .header-cta{display:none;}
  .nav-links{
    position:fixed;left:0;right:0;top:60px;bottom:0;
    flex-direction:column;align-items:flex-start;gap:0;
    padding:28px 24px 48px;
    background:var(--bg-0);
    border-top:1px solid var(--line);
    display:none;overflow-y:auto;z-index:79;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{
    width:100%;font-size:24px;padding:18px 0;
    border-bottom:1px solid var(--line);
  }
  .nav-links a.active{font-weight:600;}
  .nav-links a.active::after{display:none;}
  .nav-cta-mobile{
    display:inline-flex;margin-top:28px;width:100%;
    height:48px;border-radius:var(--radius-pill);
    background:var(--accent);color:var(--accent-ink)!important;
    align-items:center;justify-content:center;font-size:16px;
    border-bottom:0!important;font-weight:600;
  }
}
@media (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .grid-x{margin-left:-8px;margin-right:-8px;}
  .grid-x > .cell{padding-left:8px;padding-right:8px;}
  .hero-side{margin-top:28px;}
  .tl-row{
    grid-template-columns:1fr;
    padding:0 0 24px 24px;
    gap:10px;
  }
  .tl-rail{display:none;}
  .tl-row::before{
    content:"";position:absolute;left:5px;top:10px;bottom:0;
    width:1px;background:var(--line);
  }
  .tl-row::after{
    content:"";position:absolute;left:0;top:6px;
    width:11px;height:11px;border-radius:50%;
    background:var(--accent);box-shadow:0 0 0 3px rgba(200,244,90,.14);
  }
  .tl-row:last-child{padding-bottom:0;}
  .tl-row:last-child::before{display:none;}
  .tl-date{padding-top:0;}
  .stats{grid-template-columns:1fr;}
  .stat{border-left:0;border-top:1px solid var(--line);padding:24px;}
  .stat:first-child{border-top:0;}
  .cta-panel{padding:32px 24px;}
  .cta-panel .btn-dark{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .brand-main{font-size:18px;}
  .brand-sub{font-size:11px;letter-spacing:.1em;}
  .cat-hero h1{font-size:28px;}
  .tier{padding:18px;}
  .tier-left{flex-wrap:wrap;gap:8px 12px;}
  .btn{height:46px;padding:0 22px;font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}