/* roulang page: index */
:root{
  --bg-body:#0C0F0C;
  --bg-alt:#101410;
  --bg-panel:#141914;
  --bg-deep:#0A0D0A;
  --surface:#171D17;
  --surface-2:#202720;
  --brand:#C9F45B;
  --brand-dark:#9CC73A;
  --accent:#FF7744;
  --text:#EFF3EA;
  --muted:#A0A89E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --success:#C9F45B;
  --warning:#F4B860;
  --error:#FF6B6B;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-card:0 18px 46px rgba(0,0,0,.26);
  --shadow-lift:0 22px 60px rgba(0,0,0,.34);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-latin:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
  --space-section:88px;
  --transition:all .22s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-body);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit}
ul,ol{list-style:none}
strong{font-weight:700}
body.menu-open{overflow:hidden}

/* App Shell */
.app-shell{min-height:100vh;background:var(--bg-body)}
.sidebar{
  position:fixed;inset:0 auto 0 0;width:248px;z-index:80;
  background:linear-gradient(180deg,#0D110D 0%,#121612 100%);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:0 14px 18px;
  transition:transform .32s ease;
}
.sidebar__brand{display:flex;flex-direction:column;justify-content:center;padding:30px 14px 26px;border-bottom:1px solid var(--line)}
.brand-mark{display:flex;flex-direction:column;align-items:flex-start;gap:1px}
.brand-cn{
  font-size:26px;font-weight:800;letter-spacing:1px;line-height:1.3;
  background:linear-gradient(100deg,#ffffff,var(--brand));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.brand-latin{
  font-family:var(--font-latin);font-size:11px;letter-spacing:4px;text-transform:uppercase;
  color:var(--muted);margin-top:5px;
}
.sidebar__copy{ font-size:12px;color:var(--muted);padding:0 10px 8px; }
.nav-main{display:flex;flex-direction:column;gap:6px;padding:26px 4px 18px;flex:1}
.nav-link{
  display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:10px;
  color:var(--muted);font-size:15px;font-weight:500;
  border-left:3px solid transparent;
  transition:var(--transition);position:relative;
}
.nav-link i.nav-dot{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.5;flex:0 0 auto;transition:var(--transition)}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.045)}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;color:var(--text)}
.nav-link.active{
  border-left-color:var(--brand);background:linear-gradient(90deg,rgba(201,244,91,.12),rgba(201,244,91,.03));
  color:var(--brand);font-weight:600;
}
.nav-link.active i.nav-dot{background:var(--brand);box-shadow:0 0 12px rgba(201,244,91,.6);opacity:1}
.sidebar__footer{ border-top:1px solid var(--line);padding:16px 10px 4px;font-size:12px;color:var(--muted); }
.sidebar__footer .foot-title{color:var(--text);font-weight:600;margin-bottom:2px;font-size:13px}
.sidebar__footer p{opacity:.75;line-height:1.55}
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:60px;
  background:rgba(12,15,12,.88);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;padding:0 18px}
.hamburger{
  width:42px;height:42px;border:1px solid var(--line);border-radius:8px;
  background:var(--surface);color:var(--text);display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:var(--transition);font-size:20px;
}
.hamburger:hover{background:var(--surface-2);color:var(--brand)}
.scrim{position:fixed;inset:0;background:rgba(8,10,8,.7);backdrop-filter:blur(1px);z-index:75;display:none}
.scrim.open{display:block}

.main-content{margin-left:248px;min-height:100vh;background:var(--bg-body);position:relative;overflow:hidden}

/* Global geometry */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0;position:relative}
.section.is-panel{background:var(--bg-alt)}
.section.is-deep{background:var(--bg-deep)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:36px;position:relative}
.section-head__pre{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.section-head__num{
  font-family:var(--font-latin);font-size:13px;color:var(--brand);letter-spacing:2px;font-weight:700;
  background:rgba(201,244,91,.1);padding:4px 10px;border-radius:999px;
}
.section-head__label{font-size:13px;letter-spacing:2px;color:var(--muted)}
.section-title{font-size:clamp(26px,4vw,34px);font-weight:800;line-height:1.25;letter-spacing:1px}
.section-title span{color:var(--brand)}
.section-desc{color:var(--muted);font-size:15px;max-width:560px;line-height:1.8}
.section-line{width:100%;height:1px;background:var(--line);margin:0 0 40px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  padding:12px 26px;font-size:15px;font-weight:600;cursor:pointer;
  transition:var(--transition);min-height:46px;white-space:nowrap;
}
.btn i{font-style:normal;transition:transform .22s ease;font-size:16px}
.btn:hover i{transform:translateX(3px)}
.btn-primary{background:var(--brand);color:#0B0E0B;box-shadow:0 0 0 1px rgba(201,244,91,.3),0 12px 30px rgba(201,244,91,.14)}
.btn-primary:hover{background:#D6FF76;color:#080A08;box-shadow:0 0 0 1px rgba(201,244,91,.55),0 16px 36px rgba(201,244,91,.22);transform:translateY(-2px)}
.btn-primary:focus-visible{outline:3px solid rgba(201,244,91,.5);outline-offset:3px}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-outline{background:rgba(255,255,255,.02);border-color:rgba(255,255,255,.18);color:var(--text)}
.btn-outline:hover{border-color:rgba(201,244,91,.65);color:var(--brand);background:rgba(201,244,91,.06);transform:translateY(-2px)}
.btn-outline:focus-visible{outline:2px solid rgba(201,244,91,.5);outline-offset:3px}
.btn-dark{background:#232A23;border-color:rgba(255,255,255,.12);color:var(--text)}
.btn-dark:hover{background:#2C342C;color:var(--brand)}
.btn-sm{padding:8px 17px;min-height:38px;font-size:14px}
.btn-block{width:100%}

/* Hero */
.hero{
  position:relative;padding:clamp(70px,12vh,120px) 0 clamp(76px,10vh,120px);
  background:linear-gradient(95deg,#0A0D0A 4%,rgba(10,13,10,.72) 54%,rgba(12,15,12,.76)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero__wrap{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;gap:38px}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;padding:6px 14px;
  background:rgba(201,244,91,.1);border:1px solid rgba(201,244,91,.22);border-radius:999px;
  color:var(--brand);font-size:13px;letter-spacing:2px;
}
.hero__eyebrow span{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.hero__content{max-width:840px}
.hero h1{
  font-size:clamp(34px,6.4vw,64px);font-weight:800;line-height:1.18;letter-spacing:1px;
  color:#F4F9EE;text-shadow:0 10px 40px rgba(0,0,0,.28);
  margin:18px 0 22px;word-break:keep-all;
}
.hero h1 .h1-sub{display:block;font-size:.62em;font-weight:600;color:var(--brand);letter-spacing:2px;margin-top:8px}
.hero__lead{
  max-width:700px;color:#D6DED3;font-size:16.5px;line-height:1.95;opacity:.95;margin-bottom:34px;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:40px}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:26px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);
  max-width:610px;
}
.hero__meta-item{display:flex;flex-direction:column;gap:4px}
.hero__meta-label{font-size:12px;color:var(--muted);letter-spacing:1px}
.hero__meta-value{font-size:15px;color:var(--text);font-weight:600}

/* Cards and responsive grid */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;transition:var(--transition);position:relative;overflow:hidden;
}
.card:hover{border-color:rgba(201,244,91,.28);box-shadow:var(--shadow-card);transform:translateY(-4px)}
.card__icon{width:52px;height:52px;border-radius:12px;background:rgba(201,244,91,.12);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:23px;margin-bottom:20px;font-weight:700}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px;line-height:1.8}

/* Benefits table */
.table-shell{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card)}
.benefit-table{border-collapse:collapse;width:100%;min-width:760px}
.benefit-table th,.benefit-table td{text-align:left;padding:18px 22px;border-bottom:1px solid var(--line);vertical-align:middle}
.benefit-table thead th{font-size:14px;font-weight:600;letter-spacing:1px;color:var(--muted);background:#192019}
.benefit-table thead th:first-child{color:var(--text);font-weight:600}
.benefit-table thead .col-feature{background:rgba(201,244,91,.08)}
.benefit-table tbody tr{transition:background .2s ease}
.benefit-table tbody tr:hover{background:rgba(255,255,255,.03)}
.benefit-table tbody tr:last-child td{border-bottom:none}
.benefit-table .col-label{color:var(--text);font-weight:600}
.benefit-table .col-feature{background:rgba(201,244,91,.06);border-left:2px solid var(--brand);position:relative}
.benefit-table .status-ok{color:var(--brand);font-weight:600}
.benefit-table .status-part{color:var(--warning)}
.benefit-table .status-no{color:#737A72}
.badge{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.08);color:var(--muted);white-space:nowrap;
}
.badge-hot{background:var(--brand);color:#0B0E0B}
.badge-orange{background:rgba(255,119,68,.16);color:var(--accent)}
.table-feature-flag{
  display:inline-block;background:var(--brand);color:#0B0E0B;
  font-size:11px;font-weight:800;letter-spacing:1px;padding:2px 10px;border-radius:999px;margin-left:10px;vertical-align:2px;
}

/* Level path */
.level-track{display:flex;flex-direction:column;gap:18px;margin-top:8px}
.level-item{
  display:grid;grid-template-columns:150px 1fr 260px;gap:22px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px 24px;align-items:center;transition:var(--transition);
}
.level-item:hover{border-color:rgba(201,244,91,.32);background:#1A211A}
.level-item.featured{
  border-color:rgba(201,244,91,.42);background:linear-gradient(90deg,rgba(201,244,91,.1),rgba(201,244,91,.02));
}
.level-item__code{font-family:var(--font-latin);font-size:25px;color:var(--brand);font-weight:800;display:flex;align-items:center;gap:10px}
.level-item__code .dot{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);display:inline-block}
.level-item__code .dot.is-empty{background:transparent;border:2px solid var(--muted);box-shadow:none;opacity:.6}
.level-item__middle h4{font-size:18px;margin-bottom:3px}
.level-item__middle p{color:var(--muted);font-size:14px}
.level-item__tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.level-note{
  background:rgba(201,244,91,.06);border:1px dashed rgba(201,244,91,.28);
  border-radius:var(--radius-card);padding:14px 18px;color:var(--muted);font-size:14px;margin-top:20px;
}

/* News section */
.news-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:stretch}
.news-feature{
  position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  background:var(--surface);min-height:320px;display:flex;
  transition:var(--transition);box-shadow:var(--shadow-card);
}
.news-feature:hover{border-color:rgba(201,244,91,.3);transform:translateY(-3px)}
.news-feature__cover{flex:0 0 50%;position:relative;overflow:hidden;background:#1A211A}
.news-feature__cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .6s ease}
.news-feature:hover .news-feature__cover img{transform:scale(1.04)}
.news-feature__cover:after{content:"";position:absolute;inset:0;background:linear-gradient(to right,transparent 55%,rgba(12,15,12,.45))}
.news-feature__body{padding:28px;display:flex;flex-direction:column;justify-content:center}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;font-size:13px;color:var(--muted)}
.news-meta .tag{
  background:rgba(201,244,91,.12);border:1px solid rgba(201,244,91,.18);color:var(--brand);
  padding:2px 9px;border-radius:999px;font-size:12px;
}
.news-item h3{font-size:18px;line-height:1.45;margin-bottom:8px}
.news-item p{color:var(--muted);font-size:14px;line-height:1.8}
.news-feature h3{font-size:22px;line-height:1.4;margin-bottom:10px}
.news-feature p{color:var(--muted);font-size:15px;line-height:1.85}
.link-more{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:600;margin-top:auto;padding-top:18px;font-size:15px}
.link-more i{transition:transform .2s}
.link-more:hover i{transform:translateX(4px)}
.news-list{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:6px 0;justify-content:center;min-height:100%;box-shadow:var(--shadow-card);
}
.news-list__li{
  display:flex;align-items:center;gap:20px;padding:16px 22px;border-bottom:1px solid var(--line);
  transition:var(--transition);position:relative;
}
.news-list__li:last-child{border-bottom:none}
.news-list__li:hover{background:rgba(201,244,91,.04)}
.news-list__li .news-list__date{color:var(--muted);font-size:13px;flex:0 0 94px;font-family:var(--font-latin)}
.news-list__li .news-list__cat{
  color:var(--brand);font-size:12px;background:rgba(201,244,91,.08);border-radius:6px;padding:2px 7px;flex:0 0 auto;
}
.news-list__li .news-list__title{flex:1;font-size:15px;color:var(--text);transition:var(--transition);line-height:1.55}
.news-list__li:hover .news-list__title{color:var(--brand)}
.news-list__li .link-view{color:var(--muted);font-size:13px;flex:0 0 48px;transition:var(--transition)}
.news-list__li .link-view:hover{color:var(--brand)}
.news-row-list{display:flex;flex-direction:column}
.news-empty{
  grid-column:1 / -1;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:rgba(255,255,255,.025);border:1px dashed var(--line);border-radius:var(--radius-card);
  color:var(--muted);text-align:center;
}
.news-empty i{font-size:34px;opacity:.6;color:var(--brand);font-style:normal}

/* Exclusive preview */
.exclusive-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;position:relative}
.exclusive-visual{
  position:relative;min-height:360px;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.exclusive-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:blur(7px) saturate(.9);transform:scale(1.06)}
.exclusive-visual:after{
  content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(12,15,12,.12),rgba(12,15,12,.76));
}
.exclusive-visual__glass{
  position:absolute;inset:auto 22px 22px;z-index:2;background:rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:22px;
}
.exclusive-visual__lock{width:42px;height:42px;border-radius:10px;background:rgba(0,0,0,.62);border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:14px}
.exclusive-visual__glass .glass-title{font-size:16px;color:#fff;font-weight:600;line-height:1.5}
.exclusive-visual__glass .glass-meta{font-size:13px;color:rgba(239,243,234,.68);margin-top:5px}
.exclusive-content{display:flex;flex-direction:column;justify-content:center;gap:18px}
.exclusive-content h2{font-size:32px;line-height:1.35}
.exclusive-content p{color:var(--muted);line-height:1.9;font-size:16px}
.exclusive-points{display:grid;grid-template-columns:1fr;gap:12px;margin-top:6px}
.exclusive-point{padding:12px 16px;background:rgba(255,255,255,.04);border-left:2px solid var(--brand);border-radius:8px;color:var(--text);font-size:14px}
.exclusive-point em{font-style:normal;color:var(--brand);font-weight:700;display:block}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.faq-intro{position:sticky;top:96px}
.faq-intro .pre-tag{display:inline-flex;background:rgba(255,119,68,.12);color:var(--accent);border:1px solid rgba(255,119,68,.2);font-size:12px;letter-spacing:2px;padding:4px 12px;border-radius:999px;margin-bottom:16px}
.faq-intro h2{font-size:36px;line-height:1.25;margin-bottom:20px}
.faq-intro p{color:var(--muted);font-size:15px;line-height:1.9;margin-bottom:22px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface);
  transition:background .2s ease,border-color .2s ease;
}
.faq-item[open]{border-color:rgba(201,244,91,.26);background:#1A201A}
.faq-item summary{
  list-style:none;cursor:pointer;font-size:16px;font-weight:600;color:var(--text);padding:18px 20px;
  display:flex;justify-content:space-between;align-items:center;gap:18px;position:relative;transition:var(--transition);
}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{flex:0 0 20px;width:20px;height:20px;position:relative;opacity:.8}
.faq-item summary .faq-icon:before,.faq-item summary .faq-icon:after{content:"";position:absolute;background:var(--brand);top:9px;left:3px;width:14px;height:2px;border-radius:4px;transition:transform .25s}
.faq-item summary .faq-icon:after{transform:rotate(90deg)}
.faq-item[open] summary .faq-icon:after{transform:rotate(0)}
.faq-item__answer{padding:0 20px 20px;color:var(--muted);font-size:15px;line-height:1.9;border-top:1px solid var(--line);padding-top:14px}
.faq-item__answer a{color:var(--brand);font-weight:600}
.faq-item__answer ul{padding-left:20px;margin-top:8px}
.faq-item__answer ul li{list-style:disc;margin-bottom:4px}

/* CTA banner */
.cta-area{
  position:relative;border-radius:20px;overflow:hidden;
  background:linear-gradient(100deg,rgba(9,12,9,.78),rgba(12,16,12,.88)),url('/assets/images/backpic/back-2.webp') center/cover;
  border:1px solid rgba(201,244,91,.12);
  padding:clamp(42px,7vw,80px);display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-area__text{max-width:620px}
.cta-area h2{font-size:clamp(26px,4.5vw,40px);font-weight:800;line-height:1.25;letter-spacing:1px}
.cta-area h2 span{color:var(--brand)}
.cta-area p{margin-top:16px;color:var(--muted);line-height:1.9}
.cta-area__btn{flex-shrink:0}
.cta-trust{
  display:flex;flex-wrap:wrap;gap:10px;padding-top:42px;position:relative;
}
.cta-trust .trust-tag{
  border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03);color:var(--muted);
  border-radius:999px;padding:5px 14px;font-size:12px;
}

/* Footer */
.footer{
  border-top:1px solid var(--line);background:var(--bg-deep);padding:56px 0 22px;margin-top:90px;
}
.footer__inner{display:grid;grid-template-columns:1.3fr .8fr .9fr;gap:44px;margin-bottom:36px}
.footer__brand p{color:var(--muted);font-size:14px;margin-top:12px;line-height:1.9;max-width:340px}
.footer h4{font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:1px}
.footer__links{display:grid;grid-template-columns:1fr 1fr;gap:6px;width:100%}
.footer__links a{color:var(--muted);font-size:14px;padding:4px 0;transition:var(--transition);line-height:1.5}
.footer__links a:hover{color:var(--brand);padding-left:4px}
.footer__copy{border-top:1px solid rgba(255,255,255,.06);padding-top:24px;color:var(--muted);font-size:12px;text-align:center;line-height:2}
.footer__copy strong{color:var(--text);font-weight:600}
.footer__copy a{color:var(--muted)}
.footer__copy a:hover{color:var(--brand)}

/* responsive mobile */
@media (max-width:1100px){
  .level-item{grid-template-columns:125px 1fr;gap:16px}
  .level-item__tags{grid-column:1 / -1;justify-content:flex-start}
  .news-layout{grid-template-columns:1fr;gap:20px}
  .news-feature{min-height:260px}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .faq-intro{position:static}
  .cta-area{flex-direction:column;align-items:flex-start}
  .exclusive-grid{grid-template-columns:1fr}
}
@media (max-width:960px){
  .sidebar{transform:translateX(-105%);box-shadow:none}
  .sidebar.open{transform:translateX(0);box-shadow:0 0 80px rgba(0,0,0,.6)}
  .topbar{display:flex}
  .main-content{margin-left:0}
  .grid-3{grid-template-columns:1fr 1fr}
  .footer__inner{grid-template-columns:1fr;gap:30px}
}
@media (max-width:720px){
  :root{--space-section:60px}
  .hero{padding-top:64px;padding-bottom:70px}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .news-feature{flex-direction:column;display:flex}
  .news-feature__cover{flex:0 0 220px;position:relative;}
  .news-feature__cover img{position:absolute;height:100%}
  .news-list__li{flex-wrap:wrap;gap:8px}
  .news-list__date{flex:1 0 100%;opacity:.8}
  .level-item{grid-template-columns:1fr}
  .level-item__code{justify-content:flex-start}
  .hero h1{font-size:34px;line-height:1.24}
  .hero__meta{gap:16px;flex-direction:column;gap:14px}
  .cta-area{padding:34px 24px}
  .section{padding:64px 0}
  .container{padding:0 17px}
  .topbar__inner{padding:0 14px}
  .btn{width:100%;padding:11px 20px}
  .hero__cta{flex-direction:column;align-items:stretch}
  .cta-area__btn .btn{width:auto}
  .news-feature__body{padding:22px}
  .exclusive-visual{min-height:280px}
}
@media (prefers-reduced-motion:reduce){
  *,*:before,*:after{animation:none!important;transition:none!important}
  .news-feature:hover .news-feature__cover img{transform:none}
}

/* roulang page: article */
:root {
  --sidebar-w: 248px;
  --bg: #0c0f0c;
  --bg2: #131713;
  --bg3: #111511;
  --card: #171b17;
  --line: rgba(255,255,255,.08);
  --line-green: rgba(201,244,91,.28);
  --green: #c9f45b;
  --orange: #ff7744;
  --text: #eff3ea;
  --muted: #a0a79c;
  --danger: #ff7a6e;
  --r-card: 12px;
  --r-btn: 8px;
  --shadow: 0 20px 56px rgba(0,0,0,.22);
  --shadow-glow: 0 0 0 1px rgba(201,244,91,.12), 0 16px 48px rgba(0,0,0,.28);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--r-card);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
}

h1, h2, h3, h4, p, figure, blockquote, ul, ol {
  margin: 0;
}

ul, ol {
  padding-left: 1.2em;
}

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- topbar mobile ---------- */
.topbar {
  display: none;
}

/* ---------- sidebar ---------- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  z-index: 90;
  background: var(--bg3);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 28px 20px 20px;
  transform: translateX(-105%);
  transition: transform .28s ease, background .3s;
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar__brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 10px 26px;
  border-bottom: 1px solid var(--line);
}

.brand-cn {
  font-size: 23px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--text);
  line-height: 1.35;
}

.brand-cn .brand-highlight {
  color: var(--green);
}

.brand-en {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}

.sidebar__content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.sidebar__section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
  padding: 22px 12px 8px;
}

.nav-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px 0 8px;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px 11px 14px;
  margin: 2px 0;
  color: var(--muted);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  border-left: 3px solid transparent;
  background: transparent;
  transition: background .2s, color .2s, border-color .2s;
}

.nav-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,.22);
  flex-shrink: 0;
  transition: background .2s;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255,255,255,.04);
}

.nav-link.active {
  color: var(--green);
  background: rgba(201,244,91,.08);
  border-left-color: var(--green);
}

.nav-link.active .nav-dot {
  background: var(--green);
  box-shadow: 0 0 10px rgba(201,244,91,.8);
}

.sidebar__foot {
  border-top: 1px solid var(--line);
  padding: 16px 8px 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}

.sidebar__foot strong {
  color: rgba(255,255,255,.55);
  font-weight: 500;
}

/* ---------- mobile overlay ---------- */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 75;
  background: rgba(5,8,5,.64);
  backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
}

.mobile-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- main area ---------- */
.layout-main {
  margin-left: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  padding-top: 22px;
  padding-bottom: 36px;
}

/* ---------- breadcrumb ---------- */
.article-page-box {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 32px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  padding: 18px 0 28px;
}

.breadcrumb a {
  color: var(--muted);
  transition: color .2s;
}

.breadcrumb a:hover {
  color: var(--green);
}

.breadcrumb .sep {
  opacity: .4;
}

.breadcrumb .current {
  color: rgba(255,255,255,.7);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: 460px;
}

/* ---------- article header ---------- */
.article-header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,244,91,.1);
  border: 1px solid rgba(201,244,91,.2);
  color: var(--green);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 13px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.category-pill::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 9px rgba(201,244,91,.6);
}

.article-title {
  font-size: clamp(30px, 4.4vw, 44px);
  font-weight: 850;
  line-height: 1.25;
  letter-spacing: .01em;
  margin: 8px 0 22px;
  color: var(--text);
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 20px;
  color: var(--muted);
  font-size: 13px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 7px;
}

.meta-item i {
  font-style: normal;
  color: var(--green);
  opacity: .8;
}

.meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255,255,255,.3);
}

/* ---------- article content ---------- */
.article-main {
  padding: 34px 0 20px;
}

.article-body {
  max-width: 720px;
  font-size: 16.5px;
  line-height: 1.85;
  color: #d7ddd4;
}

.article-body > p {
  margin-bottom: 1.35em;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--text);
  line-height: 1.45;
  margin-top: 2em;
  margin-bottom: .7em;
  font-weight: 750;
}

.article-body h2 {
  font-size: 26px;
  padding-left: 16px;
  position: relative;
}

.article-body h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: .2em;
  bottom: .15em;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(var(--green), rgba(201,244,91,.4));
}

.article-body h3 {
  font-size: 21px;
}

.article-body img {
  border-radius: 14px;
  margin: 26px auto;
  border: 1px solid var(--line);
}

.article-body figure {
  margin: 30px 0;
  text-align: center;
}

.article-body figcaption {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 10px;
}

.article-body blockquote {
  position: relative;
  padding: 18px 22px 18px 28px;
  margin: 28px 0;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: #c6ccbf;
  border-left: 3px solid var(--green);
}

.article-body blockquote p {
  margin: 0;
}

.article-body ul,
.article-body ol {
  margin-bottom: 1.5em;
  padding-left: 1.35em;
}

.article-body li {
  margin-bottom: .5em;
}

.article-body li::marker {
  color: var(--green);
}

.article-body a {
  color: var(--green);
  border-bottom: 1px solid rgba(201,244,91,.45);
}

.article-body a:hover {
  background: rgba(201,244,91,.08);
}

hr.article-divider {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 44px 0;
  position: relative;
}

hr.article-divider::after {
  content: '';
  position: absolute;
  left: 0;
  top: -1px;
  width: 44px;
  height: 3px;
  border-radius: 4px;
  background: var(--green);
}

/* ---------- not found ---------- */
.not-found {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 0 48px;
  text-align: center;
}

.not-found__icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--green);
  background: rgba(201,244,91,.08);
  border: 1px solid rgba(201,244,91,.2);
}

.not-found h2 {
  color: var(--text);
  font-size: 30px;
  margin-bottom: 14px;
}

.not-found p {
  color: var(--muted);
  margin-bottom: 28px;
}

/* ---------- article footer nav ---------- */
.article-page-nav {
  max-width: 760px;
  margin: 20px auto 0;
  padding: 24px 32px 0;
}

.article-nav-panel {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
}

.article-nav-panel__label {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 4px;
}

.article-nav-panel__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

/* ---------- related ---------- */
.related-section {
  max-width: 1200px;
  margin: 52px auto 0;
  padding: 40px 32px 0;
  border-top: 1px solid var(--line);
}

.related-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.related-heading strong {
  color: var(--green);
  font-size: 14px;
  letter-spacing: .2em;
}

.related-heading h2 {
  color: var(--text);
  font-size: 26px;
  margin: 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 18px;
  margin-top: 22px;
}

.related-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 24px;
  transition: border-color .2s, transform .2s, background .2s;
  display: block;
}

.related-card:hover {
  border-color: var(--line-green);
  background: #1b201b;
  transform: translateY(-2px);
}

.related-card h3 {
  font-size: 18px;
  color: var(--text);
  margin-bottom: 6px;
}

.related-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 12px;
}

.related-card .go-link {
  color: var(--green);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--r-btn);
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
  text-align: center;
}

.btn-primary {
  background: var(--green);
  color: #101410;
  box-shadow: 0 4px 20px rgba(201,244,91,.15);
}

.btn-primary:hover {
  background: #d6ff70;
  transform: translateY(-1px);
  box-shadow: 0 8px 26px rgba(201,244,91,.24);
}

.btn-outline {
  border-color: rgba(255,255,255,.18);
  color: var(--text);
  background: rgba(255,255,255,.04);
}

.btn-outline:hover {
  border-color: var(--line-green);
  color: var(--green);
  background: rgba(201,244,91,.06);
  transform: translateX(2px);
}

.btn .arrow {
  font-style: normal;
}

/* ---------- footer ---------- */
.footer {
  background: var(--bg2);
  border-top: 1px solid rgba(255,255,255,.06);
  margin-top: 70px;
  padding: 52px 0 30px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 42px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.footer__brand p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  margin-top: 14px;
  max-width: 420px;
}

.brand-cn--footer {
  font-size: 25px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--text);
}

.footer h4 {
  font-size: 14px;
  color: rgba(255,255,255,.5);
  font-weight: 600;
  letter-spacing: .12em;
  margin-bottom: 18px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  color: var(--muted);
  font-size: 14px;
  transition: color .2s;
  width: fit-content;
}

.footer__links a:hover {
  color: var(--green);
}

.footer__copy {
  padding-top: 24px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
}

.footer__copy strong {
  color: rgba(255,255,255,.75);
  font-weight: 600;
}

.footer__copy a {
  color: rgba(255,255,255,.42);
}

.footer__copy a:hover {
  color: var(--green);
}

/* ---------- responsive ---------- */
@media (min-width: 961px) {
  .sidebar {
    transform: none;
  }

  .layout-main {
    margin-left: var(--sidebar-w);
  }

  .topbar {
    display: none;
  }

  .mobile-overlay {
    display: none;
  }
}

@media (max-width: 960px) {
  .topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 62px;
    z-index: 100;
    background: rgba(10,13,10,.84);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
  }

  .topbar__brand {
    font-size: 19px;
    font-weight: 800;
    display: flex;
    align-items: baseline;
    gap: 6px;
  }

  .topbar__brand .small {
    font-size: 10px;
    letter-spacing: .2em;
    color: var(--green);
    text-transform: uppercase;
    font-weight: 700;
  }

  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    border-radius: 10px;
  }

  .nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--text);
    transition: background .2s;
  }

  .nav-toggle:hover span {
    background: var(--green);
  }

  .sidebar {
    width: 280px;
    padding-left: 16px;
    padding-right: 16px;
    box-shadow: 18px 0 50px rgba(0,0,0,.42);
  }

  .layout-main {
    padding-top: 62px;
  }

  .main-content {
    padding-top: 8px;
  }

  .container {
    padding: 0 18px;
  }

  .article-page-box,
  .article-page-nav {
    padding-left: 18px;
    padding-right: 18px;
  }

  .related-section {
    padding-left: 18px;
    padding-right: 18px;
  }
}

@media (max-width: 640px) {
  .article-title {
    font-size: 28px;
  }

  .article-meta {
    gap: 8px 12px;
  }

  .meta-dot {
    display: none;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .article-nav-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-nav-panel .btn {
    width: 100%;
  }

  .breadcrumb {
    padding-top: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}

/* roulang page: category1 */
:root{
  --bg:#0C0F0C;
  --bg2:#131713;
  --bg3:#171B17;
  --line:rgba(255,255,255,.08);
  --line2:rgba(201,244,91,.28);
  --primary:#C9F45B;
  --primary-soft:rgba(201,244,91,.12);
  --accent:#FF7744;
  --accent-soft:rgba(255,119,68,.14);
  --text:#EFF3EA;
  --muted:#A0A79C;
  --muted-2:#7C8378;
  --r-card:12px;
  --r-control:8px;
  --shadow-lg:0 30px 80px rgba(0,0,0,.28);
  --shadow-soft:0 16px 42px rgba(0,0,0,.22);
  --shadow-glow:0 12px 44px rgba(201,244,91,.18);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:dark}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
body.menu-in{overflow:hidden}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0b0e0b}
::-webkit-scrollbar-thumb{background:#2b322a;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:#394234}
img{max-width:100%;border-radius:var(--r-card)}
a{color:var(--text);text-decoration:none}
a:hover{color:var(--primary)}
button{font-family:inherit;cursor:pointer}
p{line-height:1.85}
.container,.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 clamp(20px,4vw,48px);
}

/* Sidebar App Shell */
.sidebar{
  position:fixed;
  width:248px;
  top:0;
  bottom:0;
  left:0;
  z-index:90;
  display:flex;
  flex-direction:column;
  padding:26px 16px 22px;
  background:rgba(15,19,15,.96);
  border-right:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.sidebar-brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  margin:0 10px 40px;
  line-height:1.2;
}
.brand-cn{
  color:var(--text);
  font-size:24px;
  font-weight:800;
  letter-spacing:.04em;
}
.brand-sub{
  color:var(--primary);
  font-size:12px;
  font-weight:700;
  letter-spacing:.42em;
  text-transform:uppercase;
  margin-top:6px;
}
.sidebar-label{
  color:var(--muted-2);
  font-size:12px;
  letter-spacing:.18em;
  padding:0 12px 10px;
  text-transform:uppercase;
}
.nav-main{
  display:flex;
  flex-direction:column;
  gap:4px;
  margin-bottom:18px;
}
.nav-main .nav-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 14px;
  color:var(--muted);
  font-size:15px;
  font-weight:600;
  border-radius:10px;
  border:1px solid transparent;
  transition:background .2s,color .2s,border-color .2s;
}
.nav-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  border:1.5px solid #5c6459;
  background:transparent;
  transition:all .2s;
  flex:0 0 auto;
}
.nav-link:hover{
  color:var(--text);
  background:rgba(255,255,255,.03);
}
.nav-link:hover .nav-dot{border-color:var(--primary)}
.nav-link.active{
  color:var(--primary);
  background:var(--primary-soft);
  border-color:rgba(201,244,91,.18);
}
.nav-link.active .nav-dot{
  border-color:var(--primary);
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(201,244,91,.12);
}
.sidebar-info{
  margin-top:auto;
  padding:16px 12px 0;
  border-top:1px solid var(--line);
}
.sidebar-info p{
  margin:0 0 12px;
  color:var(--muted-2);
  font-size:12px;
  line-height:1.7;
}
.sidebar-info .mini-link{
  color:var(--primary);
  font-size:13px;
  font-weight:600;
}
.sidebar-overlay{
  display:none;
}

/* Mobile topbar */
.mobile-topbar{
  display:none;
  position:sticky;
  top:0;
  z-index:60;
  align-items:center;
  justify-content:space-between;
  height:64px;
  padding:0 18px;
  background:rgba(12,15,12,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.mobile-topbar__brand{
  color:var(--text);
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
}
.burger{
  width:44px;
  height:40px;
  border:1px solid var(--line);
  background:transparent;
  border-radius:9px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.burger span{
  width:18px;
  height:2px;
  background:var(--text);
  border-radius:2px;
}
.burger:hover{border-color:var(--primary)}
.burger:hover span{background:var(--primary)}
.burger:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* App main */
.app-main{
  margin-left:248px;
  min-height:100vh;
  background:
    radial-gradient(circle at 92% 12%,rgba(201,244,91,.055),transparent 26%),
    radial-gradient(circle at 18% 48%,rgba(255,119,68,.025),transparent 22%),
    var(--bg);
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 24px;
  border-radius:var(--r-control);
  font-weight:700;
  font-size:15px;
  line-height:1.4;
  border:1px solid transparent;
  transition:all .22s;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#10140d;
  border-color:var(--primary);
  box-shadow:0 8px 26px rgba(201,244,91,.18);
}
.btn-primary:hover{
  background:#daf878;
  color:#10140d;
  transform:translateX(2px);
  box-shadow:0 10px 32px rgba(201,244,91,.26);
}
.btn-ghost{
  background:rgba(255,255,255,.02);
  color:var(--text);
  border-color:rgba(255,255,255,.14);
}
.btn-ghost:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:var(--primary-soft);
  transform:translateX(2px);
}
.btn-dark{
  background:rgba(12,15,12,.66);
  color:var(--primary);
  border-color:var(--line2);
}
.btn-dark:hover{
  background:rgba(201,244,91,.1);
  color:var(--primary);
  transform:translateX(2px);
}
.btn:focus-visible{outline:3px solid rgba(201,244,91,.55);outline-offset:3px}

/* Page hero */
.page-hero{
  position:relative;
  padding:78px 0 92px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(90deg,rgba(9,12,9,.82) 0%,rgba(9,12,9,.58) 48%,rgba(12,15,12,.36) 100%),
    linear-gradient(180deg,rgba(12,15,12,.2),rgba(12,15,12,.85)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  bottom:-1px;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,var(--primary),transparent 60%);
}
.crumbs{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size:13px;
  margin-bottom:36px;
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:#555d52}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--primary);
  font-weight:700;
  font-size:13px;
  letter-spacing:.12em;
  padding:8px 14px;
  border:1px solid rgba(201,244,91,.2);
  border-radius:99px;
  background:rgba(201,244,91,.06);
  margin-bottom:18px;
  line-height:1;
}
.page-hero h1{
  margin:0;
  font-size:66px;
  line-height:1.12;
  font-weight:900;
  letter-spacing:.02em;
  color:var(--text);
}
.page-hero .lead{
  max-width:720px;
  color:var(--muted);
  font-size:18px;
  line-height:1.85;
  margin:24px 0 28px;
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:36px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  color:var(--muted);
  font-size:13px;
  border:1px solid rgba(255,255,255,.1);
  border-radius:99px;
  background:rgba(10,13,10,.5);
}
.chip b{color:var(--text);font-weight:600}
.chip::before{
  content:"";
  width:5px;height:5px;
  background:var(--primary);
  border-radius:50%;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
}

/* Section base */
.section{
  padding:88px 0;
  border-bottom:1px solid rgba(255,255,255,.055);
}
.section-label{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-label::before{
  content:"";
  width:26px;
  height:1px;
  background:var(--primary);
}
.section h2{
  font-size:32px;
  font-weight:800;
  line-height:1.35;
  letter-spacing:.02em;
  margin:0 0 20px;
}
.section .desc{
  max-width:760px;
  color:var(--muted);
  font-size:16px;
}

/* Feature */
.feature-media{
  border-radius:14px;
  overflow:hidden;
  position:relative;
  min-height:360px;
}
.feature-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:14px;
  display:block;
}
.feature-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 46%,rgba(10,13,10,.82) 100%);
}
.feature-media-caption{
  position:absolute;
  left:18px;
  right:18px;
  bottom:16px;
  z-index:2;
  color:var(--text);
  font-size:13px;
  line-height:1.7;
  text-shadow:0 2px 10px rgba(0,0,0,.7);
}
.feature-grid{
  display:grid;
  grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);
  gap:52px;
  align-items:center;
}
.feature-content h2{
  margin-top:10px;
}
.check-list{
  list-style:none;
  margin:30px 0;
  padding:0;
}
.check-list li{
  position:relative;
  padding-left:30px;
  margin-bottom:14px;
  color:var(--text);
  line-height:1.8;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.86em;
  width:16px;
  height:8px;
  border-left:2px solid var(--primary);
  border-bottom:2px solid var(--primary);
  transform:rotate(-45deg);
}
.feature-quote{
  padding:18px 22px;
  border-left:3px solid var(--primary);
  background:rgba(201,244,91,.05);
  border-radius:0 10px 10px 0;
  color:var(--muted);
  font-size:15px;
  margin:28px 0 0;
}

/* Type card block */
.type-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:42px;
}
.type-card{
  position:relative;
  background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.008));
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:34px 28px 28px;
  overflow:hidden;
  transition:transform .22s,border-color .22s,background .22s;
}
.type-card:hover{
  transform:translateY(-4px);
  border-color:rgba(201,244,91,.35);
  background:rgba(201,244,91,.035);
}
.type-num{
  position:absolute;
  top:16px;
  right:18px;
  font-size:42px;
  font-weight:900;
  color:rgba(255,255,255,.04);
  line-height:1;
  letter-spacing:-.04em;
}
.type-card .icon-mark{
  width:40px;
  height:40px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--primary-soft);
  border:1px solid rgba(201,244,91,.18);
  margin-bottom:22px;
}
.type-card .icon-mark i{
  width:12px;height:12px;
  background:var(--primary);
  border-radius:3px;
  box-shadow:0 0 14px rgba(201,244,91,.7);
}
.type-card:nth-child(2) .icon-mark{background:var(--accent-soft);border-color:rgba(255,119,68,.2)}
.type-card:nth-child(2) .icon-mark i{background:var(--accent);box-shadow:0 0 14px rgba(255,119,68,.55)}
.type-card h3{
  font-size:21px;
  margin:0 0 10px;
  letter-spacing:.01em;
}
.type-card p{
  color:var(--muted);
  font-size:14.5px;
  margin:0 0 20px;
}
.type-tag{
  display:inline-flex;
  align-items:center;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  gap:6px;
}
.type-tag:hover{color:#dffb82}
.type-tag em{
  font-style:normal;
  text-align:center;
  transition:transform .2s;
}
.type-card:hover .type-tag em{transform:translateX(4px)}

/* Steps */
.step-section{
  background:
    radial-gradient(circle at 82% 8%,rgba(201,244,91,.04),transparent 30%),
    var(--bg2);
}
.step-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:46px;
}
.step-item{
  position:relative;
  padding:32px 28px;
  border-radius:14px;
  background:rgba(23,27,23,.66);
  border:1px solid var(--line);
  min-height:230px;
}
.step-item::before{
  content:attr(data-step);
  position:absolute;
  top:-16px;
  left:26px;
  font-size:58px;
  font-weight:900;
  color:rgba(201,244,91,.1);
  line-height:1;
  letter-spacing:-.03em;
}
.step-item::after{
  content:"";
  position:absolute;
  top:-1px;
  left:24px;
  width:42px;
  height:2px;
  background:var(--primary);
}
.step-item h3{
  margin:38px 0 10px;
  font-size:20px;
}
.step-item p{
  margin:0;
  color:var(--muted);
  font-size:14.5px;
}
.step-arrow-note{
  margin-top:34px;
  display:flex;
  align-items:center;
  gap:12px;
  padding-top:26px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:14px;
}
.step-arrow-note a{
  color:var(--primary);
  font-weight:700;
}

/* Update / official notice list */
#notice{
  background:
    radial-gradient(circle at 12% 82%,rgba(255,119,68,.025),transparent 24%),
    var(--bg);
}
.section-head{
  display:flex;
  flex-direction:column;
  gap:14px;
  justify-content:space-between;
  margin-bottom:36px;
}
.update-panel{
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(23,27,23,.62);
  overflow:hidden;
  box-shadow:var(--shadow-soft);
}
.update-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
  transition:background .2s;
}
.update-item:last-child{border-bottom:none}
.update-item:hover{
  background:rgba(201,244,91,.035);
}
.update-item:hover .update-title{color:var(--primary)}
.update-thumb{
  width:112px;
  height:68px;
  object-fit:cover;
  flex:0 0 auto;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.06);
}
.update-body{
  min-width:0;
  flex:1;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.update-meta{
  color:var(--muted-2);
  font-size:12px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.update-meta .u-tag{
  color:var(--primary);
  background:rgba(201,244,91,.08);
  padding:2px 8px;
  border-radius:99px;
  line-height:1.6;
}
.update-title{
  color:var(--text);
  font-size:16px;
  font-weight:600;
  line-height:1.55;
}
.update-arrow{
  flex:0 0 auto;
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--muted);
  transition:all .22s;
  font-size:18px;
}
.update-item:hover .update-arrow{
  border-color:var(--primary);
  color:var(--primary);
  transform:translateX(4px);
}

/* FAQ */
.faq-section{
  background:
    radial-gradient(circle at 12% 10%,rgba(201,244,91,.035),transparent 25%),
    var(--bg2);
}
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,0.82fr) minmax(0,1.18fr);
  gap:58px;
  align-items:start;
}
.faq-left .desc{
  margin-bottom:24px;
}
.faq-help{
  margin-top:34px;
  padding:20px 22px;
  border-radius:12px;
  background:rgba(201,244,91,.04);
  border:1px solid rgba(201,244,91,.12);
  color:var(--muted);
  font-size:14px;
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  background:rgba(23,27,23,.76);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .22s,background .22s;
}
.faq-item.open{
  background:rgba(24,30,23,.9);
  border-color:rgba(201,244,91,.28);
}
.faq-q{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:18px 22px;
  background:transparent;
  border:none;
  color:var(--text);
  font-size:15px;
  font-weight:700;
  text-align:left;
  line-height:1.6;
}
.faq-q .faq-arrow{
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  transition:all .25s;
  font-style:normal;
  flex:0 0 auto;
}
.faq-item.open .faq-arrow{
  transform:rotate(45deg);
  border-color:var(--primary);
  color:var(--primary);
}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
}
.faq-a > div{
  overflow:hidden;
}
.faq-answer{
  padding:0 22px 18px;
  color:var(--muted);
  font-size:14.5px;
  border-top:0 solid transparent;
}
.faq-item.open .faq-a{
  grid-template-rows:1fr;
}
.faq-item.open .faq-answer{
  border-top:1px solid rgba(255,255,255,.07);
  padding-top:14px;
}

/* CTA */
.cta-section{
  padding:0;
  border-bottom:none;
}
.cta-banner{
  background:
    linear-gradient(90deg,rgba(10,13,10,.85),rgba(10,13,10,.72)),
    url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center 74%;
  margin:40px 48px 0;
  border-radius:20px;
  padding:72px 62px;
  border:1px solid rgba(201,244,91,.14);
  box-shadow:var(--shadow-lg);
  position:relative;
  overflow:hidden;
}
.cta-banner::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(201,244,91,.18),transparent 65%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:34px;
}
.cta-copy h2{
  font-size:32px;
  margin:0 0 14px;
}
.cta-copy p{
  margin:0;
  max-width:620px;
  color:var(--muted);
}
.cta-actions{
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-start;
}
.cta-actions .mini{
  color:var(--muted-2);
  font-size:12px;
  display:flex;
  align-items:center;
  gap:8px;
}

/* Footer */
.footer{
  background:var(--bg2);
  border-top:1px solid var(--line);
  margin-top:90px;
  padding-top:70px;
}
.footer__inner{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
}
.footer h4{
  color:var(--text);
  font-size:17px;
  margin:0 0 18px;
  letter-spacing:.02em;
}
.footer p{
  color:var(--muted);
  font-size:14px;
  line-height:1.85;
  margin:18px 0 0;
  max-width:480px;
}
.footer__links{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer__links a{
  color:var(--muted);
  font-size:14px;
  transition:color .2s,padding-left .2s;
}
.footer__links a:hover{
  color:var(--primary);
  padding-left:4px;
}
.footer__copy{
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.07);
  color:var(--muted-2);
  font-size:13px;
  line-height:1.9;
}
.footer__copy a{
  color:var(--muted);
  border-bottom:1px solid rgba(255,255,255,.18);
}
.footer__copy a:hover{
  color:var(--primary);
}
.footer__brand .brand-cn{
  color:var(--text);
  font-weight:800;
}

/* Responsive */
@media (max-width:1100px){
  .type-grid,
  .step-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .type-card:last-child{
    grid-column:span 2;
  }
  .feature-grid{
    gap:28px;
  }
  .cta-banner{
    margin:40px 24px 0;
    padding:52px 40px;
  }
}

@media (max-width:960px){
  .sidebar{
    width:min(300px,88vw);
    transform:translateX(-105%);
    transition:transform .3s ease;
    background:rgba(12,15,12,.97);
    box-shadow:0 0 60px rgba(0,0,0,.5);
  }
  body.menu-in .sidebar{
    transform:translateX(0);
  }
  .sidebar-overlay{
    display:none;
    position:fixed;
    inset:0;
    z-index:80;
    background:rgba(5,7,5,.48);
    backdrop-filter:blur(2px);
  }
  body.menu-in .sidebar-overlay{display:block}
  .app-main{margin-left:0}
  .mobile-topbar{display:flex}
  .section{padding:74px 0}
  .footer__inner{
    grid-template-columns:1fr 1fr;
    gap:38px;
  }
}

@media (max-width:820px){
  .feature-grid,
  .faq-layout{
    grid-template-columns:1fr;
  }
  .feature-media{min-height:300px}
  .page-hero h1{
    font-size:44px;
  }
  .cta-banner{
    margin-left:16px;
    margin-right:16px;
    padding:46px 26px;
  }
}

@media (max-width:680px){
  .type-grid,
  .step-grid{grid-template-columns:1fr}
  .type-card:last-child{grid-column:auto}
  .update-item{
    align-items:flex-start;
    padding:16px 14px;
    gap:14px;
  }
  .update-thumb{
    width:82px;
    height:62px;
  }
  .update-arrow{
    width:32px;
    height:32px;
  }
  .page-hero{
    padding:58px 0 70px;
  }
  .page-hero h1{
    font-size:36px;
  }
  .page-hero .lead{
    font-size:16px;
  }
  .cta-inner{
    flex-direction:column;
    align-items:flex-start;
  }
  .cta-actions{
    width:100%;
  }
  .cta-actions .btn{
    width:100%;
  }
  .footer__inner{
    grid-template-columns:1fr;
    gap:30px;
  }
  .footer{
    margin-top:70px;
    padding-top:50px;
  }
}

@media (prefers-reduced-motion: reduce){
  *,
  *::before,
  *::after{
    transition:none !important;
    animation:none !important;
  }
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root {
  --sidebar-w: 248px;
  --bg: #0C0F0C;
  --bg-2: #131713;
  --card: #171B17;
  --card-hover: #1C211C;
  --accent: #C9F45B;
  --accent-deep: #B8E849;
  --accent-rgb: 201, 244, 91;
  --signal: #FF7744;
  --text: #EFF3EA;
  --muted: #A0A79C;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 18px 46px rgba(0, 0, 0, 0.35);
  --shadow-soft: 0 8px 26px rgba(0, 0, 0, 0.24);
  --container: 1200px;
  --body-size: 16px;
  --body-line: 1.8;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, "Segoe UI", sans-serif;
  margin: 0;
  font-size: var(--body-size);
  line-height: var(--body-line);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
  border-radius: var(--radius);
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

button {
  font-family: inherit;
}

p {
  margin: 0 0 1em;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

h1 {
  font-size: 56px;
  letter-spacing: 0.03em;
}

h2 {
  font-size: 30px;
}

h3 {
  font-size: 20px;
  font-weight: 650;
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 28px;
}

.layout {
  min-height: 100vh;
}

/* ------ Sidebar App Shell ------ */
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  background: linear-gradient(180deg, rgba(19, 23, 19, 0.96), rgba(12, 15, 12, 0.94)), var(--bg-2);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 26px 18px 18px;
  z-index: 80;
  transition: transform .28s ease;
}

.sidebar::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(to bottom, transparent, black 18%, transparent 90%);
}

.brand {
  display: block;
  padding: 6px 8px 22px;
  border-bottom: 1px solid var(--line);
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

.brand-cn {
  display: block;
  color: var(--text);
  font-size: 23px;
  font-weight: 800;
  letter-spacing: 0.07em;
}

.brand-en {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-main {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 28px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
}

.nav-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  transition: all .2s ease;
}

.nav-link.active {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
  border-color: rgba(var(--accent-rgb), 0.16);
}

.nav-link.active .nav-dot {
  width: 3px;
  height: 16px;
  border-radius: 2px;
  border: none;
  background: var(--accent);
}

.sidebar__bottom {
  margin-top: auto;
  padding: 16px 8px 4px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: rgba(160, 167, 156, 0.72);
  display: grid;
  gap: 3px;
  letter-spacing: 0.02em;
}

.sidebar__bottom strong {
  color: rgba(239, 243, 234, 0.65);
  font-weight: 600;
}

/* ------ Main & mobile head ------ */
.main {
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg);
}

.mobile-topbar {
  display: none;
  position: fixed;
  inset: 0 0 auto 0;
  height: 60px;
  z-index: 70;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  background: rgba(12, 15, 12, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.mobile-topbar .brand-cn {
  font-size: 19px;
}

.menu-button {
  width: 44px;
  height: 40px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menu-button span,
.menu-button::before,
.menu-button::after {
  content: "";
  width: 18px;
  height: 1.6px;
  background: var(--text);
  display: block;
  transition: transform .25s ease;
  border-radius: 10px;
}

.menu-button span {
  margin: 4px 0;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 75;
  background: rgba(4, 6, 4, 0.72);
  backdrop-filter: blur(3px);
  border: 0;
}

.sidebar.is-open {
  transform: translateX(0);
  box-shadow: 18px 0 48px rgba(0, 0, 0, 0.45);
}

.sidebar-overlay.is-visible {
  display: block;
}

/* ------ Shared blocks ------ */
.hero,
.section-block {
  width: 100%;
}

.section-block {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.section-head {
  display: grid;
  gap: 12px;
  max-width: 720px;
  margin-bottom: 40px;
}

.section__num {
  display: inline-block;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.section__lead {
  max-width: 720px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  padding: 18px 0 0;
}

.breadcrumb-wrap {
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--line);
}

.breadcrumb a {
  color: var(--muted);
  transition: color .2s ease;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb i {
  font-style: normal;
  margin: 0 8px;
  display: inline-block;
  color: rgba(255, 255, 255, 0.18);
}

/* ------ Page hero ------ */
.page-hero {
  position: relative;
  isolation: isolate;
  min-height: 320px;
  display: flex;
  align-items: center;
  padding: 66px 0 58px;
  background:
    linear-gradient(115deg, rgba(8, 11, 9, 0.96) 20%, rgba(12, 15, 12, 0.82) 54%, rgba(16, 20, 16, 0.45)),
    url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 150px;
  bottom: 0;
  background: linear-gradient(to top, var(--bg), transparent);
  z-index: -1;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: rgba(var(--accent-rgb), 0.9);
  margin-bottom: 16px;
  display: table;
}

.hero__title {
  color: var(--text);
  max-width: 640px;
  margin-bottom: 18px;
}

.hero__desc {
  max-width: 700px;
  color: rgba(239, 243, 234, 0.82);
  font-size: 17px;
  line-height: 1.85;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ------ Buttons ------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 650;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, color .2s ease;
}

.btn--primary {
  background: var(--accent);
  color: #17200B;
  border-color: var(--accent);
}

.btn--primary:hover {
  background: #DCFF83;
  transform: translateX(2px);
  box-shadow: 0 0 0 6px rgba(var(--accent-rgb), 0.12);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.24);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateX(2px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ------ stat cards strip ------ */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 38px;
}

.stat-item {
  background: rgba(23, 27, 23, 0.52);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px;
}

.stat-item b {
  display: block;
  font-size: 26px;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.stat-item span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

/* ------ Benefit table ------ */
.benefit-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(18, 22, 18, 0.36);
  box-shadow: var(--shadow-soft);
}

.benefit-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  font-size: 14px;
}

.benefit-table thead th {
  background: rgba(255, 255, 255, 0.035);
  text-align: left;
  padding: 16px 18px;
  font-weight: 650;
  color: var(--text);
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.benefit-table tbody td {
  padding: 15px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.055);
  vertical-align: middle;
  color: rgba(239, 243, 234, 0.85);
}

.benefit-table tbody tr:last-child td {
  border-bottom: 0;
}

.benefit-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.022);
}

.benefit-table .col-highlight {
  background: rgba(var(--accent-rgb), 0.07);
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb), 0.22);
  position: relative;
  font-weight: 550;
}

.benefit-table .col-highlight td:first-child,
.benefit-table .col-highlight label {
  background: transparent;
}

.benefit-table tbody tr:hover .col-highlight {
  background: rgba(var(--accent-rgb), 0.1);
}

.hot-column th {
  position: relative;
  background: rgba(var(--accent-rgb), 0.13) !important;
}

.main-range {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 99px;
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.18);
  font-size: 12px;
}

.pill-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--accent);
  color: #182108;
  font-size: 11px;
  font-weight: 800;
  vertical-align: middle;
}

/* ------ Level track ------ */
.level-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.level-node {
  display: grid;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.level-node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 2px;
  background: rgba(var(--accent-rgb), 0.6);
}

.level-node.is-current {
  border-color: rgba(var(--accent-rgb), 0.44);
  background: rgba(var(--accent-rgb), 0.08);
  box-shadow: 0 0 0 5px rgba(var(--accent-rgb), 0.06);
}

.level-node:hover {
  transform: translateY(-3px);
  background: var(--card-hover);
}

.level-code {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
}

.level-name {
  font-size: 22px;
  font-weight: 750;
  color: var(--text);
  letter-spacing: 0.02em;
}

.level-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.chip {
  display: inline-block;
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
}

.level-node.is-current .chip {
  border-color: rgba(var(--accent-rgb), 0.22);
  color: var(--accent);
}

.level-state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-size: 12px;
  color: var(--accent);
}

.level-state small {
  color: var(--muted);
  font-size: 12px;
}

/* ------ Process flow ------ */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.flow-step {
  position: relative;
  padding: 28px 22px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.flow-step b {
  position: absolute;
  top: 14px;
  right: 18px;
  font-size: 34px;
  font-weight: 800;
  color: rgba(var(--accent-rgb), 0.12);
  font-family: "SF Mono", Consolas, monospace;
  line-height: 1;
}

.flow-step h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.flow-step p {
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 0;
  line-height: 1.75;
}

/* ------ Reading lane / content library ------ */
.reading-list {
  display: grid;
  gap: 16px;
}

.reading-card-feature {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0;
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
  box-shadow: var(--shadow-soft);
}

.reading-card-feature:hover {
  border-color: rgba(var(--accent-rgb), 0.25);
  background: var(--card-hover);
}

.reading-card-feature .img-cover {
  display: block;
  height: 190px;
  background-size: cover;
  background-position: center;
}

.reading-card-feature .txt-cover {
  padding: 24px 26px;
  display: grid;
  gap: 10px;
  align-content: center;
}

.reading-label-cat,
.detail-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.16);
  padding: 3px 10px;
  width: fit-content;
  border-radius: 999px;
}

.reading-card-feature h3 {
  font-size: 23px;
}

.card-desc {
  color: var(--muted);
  font-size: 14px;
  max-width: 650px;
}

.link-row,
.reading-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  margin-top: 4px;
}

.link-row {
  display: flex;
  justify-content: space-between;
}

.reading-list-compact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.reading-compact-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  display: grid;
  gap: 10px;
  transition: background .2s ease, border-color .2s ease;
}

.reading-compact-item:hover {
  background: var(--card-hover);
  border-color: rgba(var(--accent-rgb), 0.2);
}

.reading-compact-item strong {
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
}

.reading-compact-item span {
  color: var(--muted);
  font-size: 13px;
}

/* preview lock card */
.lock-preview {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  min-height: 250px;
}

.blur-layer {
  position: relative;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: blur(4px) saturate(0.72);
  transform: scale(1.02);
  min-height: 250px;
}

.lock-copy {
  display: grid;
  align-content: center;
  padding: 34px;
  gap: 14px;
  background: rgba(255, 255, 255, 0.025);
  border-left: 1px solid var(--line);
}

.lock-legend {
  background: rgba(var(--accent-rgb), 0.1);
  border-radius: 99px;
  color: var(--accent);
  font-size: 12px;
  padding: 4px 10px;
  width: fit-content;
}

.lock-copy h3 {
  font-size: 22px;
}

.lock-note {
  color: var(--muted);
  font-size: 14px;
}

/* membership statement small */
.two-cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.info-line {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.info-line strong {
  color: var(--accent);
  font-size: 14px;
}

.info-line span {
  color: var(--muted);
  font-size: 13px;
}

/* FAQ */
.faq-area {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
}

.faq-intro h2 {
  margin-bottom: 14px;
}

.faq-intro p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 18px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 13px;
  overflow: hidden;
  transition: border-color .2s ease, background .2s ease;
}

.faq-item:hover {
  border-color: var(--line-strong);
}

.faq-q {
  width: 100%;
  background: none;
  border: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.faq-q::after {
  content: "+";
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  font-size: 18px;
  color: var(--muted);
  transition: transform .25s ease, color .2s ease;
}

.faq-item.open {
  border-color: rgba(var(--accent-rgb), 0.18);
  background: rgba(var(--accent-rgb), 0.035);
}

.faq-item.open .faq-q::after {
  transform: rotate(45deg);
  color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.24);
}

.faq-a {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .28s ease, opacity .32s ease;
}

.faq-item.open .faq-a {
  max-height: 300px;
  opacity: 1;
}

.faq-a-inner {
  padding: 0 18px 18px;
  color: var(--muted);
  font-size: 14px;
  max-width: 720px;
}

/* CTA band */
.cta-band {
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(100deg, rgba(8, 11, 9, 0.98) 10%, rgba(12, 15, 12, 0.76)),
    url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  border-top: 1px solid var(--line);
  padding: 76px 0;
  overflow: hidden;
}

.cta-band:after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.2), transparent 66%);
  z-index: -1;
}

.cta-band h2 {
  font-size: 34px;
  max-width: 620px;
  margin-bottom: 16px;
}

.cta-band p {
  color: var(--muted);
  max-width: 680px;
  font-size: 15px;
  margin-bottom: 28px;
}

.cta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  list-style: none;
  padding: 0;
}

.cta-tags li {
  font-size: 12px;
  color: rgba(239, 243, 234, 0.76);
  background: rgba(255, 255, 255, 0.04);
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 99px;
}

/* Footer */
.footer {
  background: #0B0F0C;
  border-top: 1px solid var(--line);
  padding: 52px 0 28px;
  color: var(--muted);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr .8fr 1fr;
  gap: 34px;
  margin-bottom: 30px;
}

.footer h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 15px;
  color: rgba(239, 243, 234, 0.9);
  letter-spacing: 0.03em;
}

.footer__brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 420px;
  margin-top: 13px;
}

.footer__links {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.footer__links a {
  width: fit-content;
  color: var(--muted);
  transition: color .2s ease, transform .2s ease;
}

.footer__links a:hover {
  color: var(--accent);
  transform: translateX(2px);
}

.footer__copy {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  font-size: 13px;
  line-height: 1.75;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.footer__copy strong {
  color: rgba(239, 243, 234, 0.92);
}

.footer__copy a {
  color: rgba(160, 167, 156, 0.9);
}

.footer__copy a:hover {
  color: var(--accent);
}

/* ------ Responsive rules ------ */
@media (max-width: 1180px) {
  .contact-section {
    gap: 28px;
  }
}

@media (max-width: 960px) {
  .sidebar {
    transform: translateX(-100%);
    padding-top: 18px;
  }

  .mobile-topbar {
    display: flex;
  }

  .main {
    margin-left: 0;
  }

  .page-hero {
    padding-top: 110px;
  }

  .crumbs-row {
    padding-top: 86px;
  }

  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .level-track {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-area {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 760px) {
  .container {
    padding-inline: 18px;
  }

  .section-block {
    padding: 56px 0;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 25px;
  }

  .hero__desc {
    font-size: 15px;
  }

  .hero__actions .btn {
    flex: 1;
    padding: 0 14px;
  }

  .reading-list-compact {
    grid-template-columns: 1fr;
  }

  .lock-preview {
    grid-template-columns: 1fr;
  }

  .blur-layer {
    min-height: 180px;
  }

  .lock-copy {
    padding: 22px;
  }

  .reading-card-feature {
    grid-template-columns: 1fr;
  }

  .reading-card-feature .img-cover {
    height: 148px;
  }

  .reading-card-feature .txt-cover {
    padding: 18px;
  }

  .level-track {
    grid-template-columns: 1fr;
  }

  .flow-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .cta-band {
    padding: 54px 0;
  }

  .cta-band h2 {
    font-size: 27px;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 420px) {
  .stats-strip {
    grid-template-columns: 1fr 1fr;
  }

  .level-node {
    padding: 18px 16px;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    flex: none;
    min-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* roulang page: category3 */
:root {
      --bg: #0C0F0C;
      --bg-soft: #10140F;
      --bg-2: #131713;
      --bg-3: #171B17;
      --line: rgba(255, 255, 255, .08);
      --line-strong: rgba(255, 255, 255, .15);
      --green: #C9F45B;
      --green-soft: rgba(201, 244, 91, .1);
      --green-line: rgba(201, 244, 91, .3);
      --orange: #FF7744;
      --text: #EFF3EA;
      --muted: #A0A79C;
      --dark: #080B08;
      --radius: 12px;
      --radius-sm: 8px;
      --shadow: 0 22px 60px rgba(0, 0, 0, .35);
      --shadow-green: 0 14px 38px rgba(201, 244, 91, .16);
      --ease: cubic-bezier(.2, .7, .2, 1);
      --sidebar: 248px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--text);
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
      font-size: 16px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }

    body.no-scroll {
      overflow: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
      border: 0;
    }

    ul,
    ol {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    button,
    input,
    textarea {
      font: inherit;
      color: inherit;
    }

    button {
      border: 0;
      background: none;
      cursor: pointer;
    }

    h1,
    h2,
    h3,
    h4,
    p {
      margin: 0;
    }

    :focus-visible {
      outline: 2px solid var(--green);
      outline-offset: 3px;
      border-radius: 4px;
    }

    .container {
      width: min(1160px, calc(100% - 48px));
      margin-inline: auto;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 22px;
      border: 1px solid transparent;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      letter-spacing: .02em;
      transition: background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
    }

    .btn-primary {
      background: var(--green);
      color: #0D110B;
      box-shadow: 0 8px 26px rgba(201, 244, 91, .14);
    }

    .btn-primary:hover {
      background: #d8ff75;
      transform: translateX(2px);
      box-shadow: var(--shadow-green);
    }

    .btn-ghost {
      border-color: var(--line-strong);
      color: var(--text);
      background: transparent;
    }

    .btn-ghost:hover {
      border-color: var(--green-line);
      color: var(--green);
      background: rgba(201, 244, 91, .04);
      transform: translateX(2px);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .13em;
      color: var(--green);
      text-transform: uppercase;
    }

    .eyebrow::before {
      content: "";
      width: 18px;
      height: 2px;
      background: currentColor;
    }

    .section {
      padding: 92px 0;
      position: relative;
    }

    .section__head {
      max-width: 720px;
      margin-bottom: 52px;
    }

    .section__head h2 {
      font-size: clamp(28px, 3vw, 36px);
      line-height: 1.3;
      margin-top: 14px;
      letter-spacing: .01em;
    }

    .section__head p {
      color: var(--muted);
      font-size: 16px;
      line-height: 1.85;
      margin-top: 16px;
    }

    .app-shell {
      min-height: 100vh;
      background:
        radial-gradient(circle at 88% 12%, rgba(201, 244, 91, .035), transparent 18%),
        var(--bg);
    }

    .sidebar {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--sidebar);
      z-index: 120;
      background: #0B0E0B;
      border-right: 1px solid rgba(255, 255, 255, .07);
      display: flex;
      flex-direction: column;
      padding: 0;
    }

    .sidebar__head {
      padding: 26px 20px 14px;
      border-bottom: 1px solid rgba(255, 255, 255, .06);
    }

    .brand {
      display: inline-flex;
      flex-direction: column;
      gap: 5px;
      line-height: 1.15;
    }

    .brand-cn {
      font-size: 24px;
      font-weight: 800;
      color: var(--text);
      letter-spacing: .015em;
      white-space: nowrap;
    }

    .brand-sub {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 10px;
      font-weight: 700;
      color: var(--green);
      letter-spacing: .18em;
      text-transform: uppercase;
      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    }

    .brand-sub::before {
      content: "";
      width: 14px;
      height: 1px;
      background: rgba(201, 244, 91, .45);
    }

    .nav-main {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 4px;
      padding: 20px 12px;
    }

    .nav-main .nav-link {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 14px 12px 18px;
      border-radius: 8px;
      font-size: 15px;
      color: var(--muted);
      line-height: 1.2;
      position: relative;
      transition: background .22s var(--ease), color .22s var(--ease), padding .22s var(--ease);
    }

    .nav-main .nav-link .nav-dot {
      width: 7px;
      height: 7px;
      border: 1px solid currentColor;
      border-radius: 50%;
      display: inline-block;
      flex: 0 0 auto;
      opacity: .65;
      transition: all .22s var(--ease);
    }

    .nav-main .nav-link:hover {
      color: var(--text);
      background: rgba(255, 255, 255, .025);
    }

    .nav-main .nav-link.active {
      color: var(--green);
      background: rgba(201, 244, 91, .055);
      font-weight: 600;
    }

    .nav-main .nav-link.active .nav-dot {
      background: var(--green);
      border-color: var(--green);
      box-shadow: 0 0 12px rgba(201, 244, 91, .7);
      opacity: 1;
    }

    .nav-main .nav-link.active::before {
      content: "";
      position: absolute;
      left: -12px;
      top: 12px;
      bottom: 12px;
      width: 3px;
      background: var(--green);
      border-radius: 0 10px 10px 0;
      box-shadow: 0 0 16px rgba(201, 244, 91, .7);
    }

    .sidebar__foot {
      padding: 22px 20px 20px;
      border-top: 1px solid rgba(255, 255, 255, .06);
      font-size: 12px;
      line-height: 1.7;
      color: #697068;
    }

    .sidebar__foot strong {
      color: #B8BFB2;
      font-weight: 600;
    }

    .canvas {
      min-height: 100vh;
      margin-left: var(--sidebar);
      display: flex;
      flex-direction: column;
    }

    .topbar {
      display: none;
    }

    .drawerBackdrop {
      display: none;
    }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 76px 0 84px;
      background-image: linear-gradient(118deg, rgba(7, 10, 7, .97) 0%, rgba(9, 13, 9, .92) 48%, rgba(17, 24, 14, .68) 100%), url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      border-bottom: 1px solid var(--line);
    }

    .crumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 34px;
      color: var(--muted);
      font-size: 13px;
    }

    .crumb a {
      color: var(--muted);
      transition: color .2s;
    }

    .crumb a:hover {
      color: var(--green);
    }

    .crumb__sep {
      color: #596057;
    }

    .hero__eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      font-weight: 600;
      color: var(--green);
      letter-spacing: .05em;
      margin-bottom: 20px;
    }

    .hero__eyebrow::after {
      content: "";
      height: 1px;
      width: 52px;
      background: linear-gradient(90deg, rgba(201, 244, 91, .5), transparent);
    }

    .hero h1 {
      font-size: clamp(46px, 7vw, 80px);
      letter-spacing: .04em;
      line-height: 1.15;
      font-weight: 800;
      color: var(--text);
      margin: 0;
      text-wrap: balance;
    }

    .hero__lead {
      max-width: 680px;
      margin-top: 24px;
      color: #CAD0C2;
      font-size: 17px;
      line-height: 1.9;
    }

    .hero__tags {
      margin-top: 30px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .hero__tags li {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 14px;
      border: 1px solid rgba(255, 255, 255, .13);
      border-radius: 999px;
      background: rgba(255, 255, 255, .025);
      font-size: 13px;
      color: #C7CDC0;
    }

    .hero__tags li::before {
      content: "";
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--green);
      margin-right: 8px;
    }

    .hero__actions {
      margin-top: 34px;
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .stage {
      background: transparent;
    }

    .stageList {
      border-top: 1px solid var(--line);
    }

    .stageRow {
      display: grid;
      grid-template-columns: 104px 1fr auto;
      gap: 28px;
      align-items: center;
      padding: 34px 6px;
      border-bottom: 1px solid var(--line);
      transition: background .25s var(--ease), padding .25s var(--ease);
    }

    .stageRow:hover {
      background: linear-gradient(90deg, rgba(201, 244, 91, .035), transparent 70%);
      padding-left: 15px;
    }

    .stageRow__num {
      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
      font-size: 32px;
      font-weight: 700;
      color: rgba(201, 244, 91, .32);
      letter-spacing: .04em;
    }

    .stageRow h3 {
      font-size: 20px;
      line-height: 1.45;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 8px;
    }

    .stageRow h3::before {
      content: "";
      width: 12px;
      height: 2px;
      background: var(--green);
      flex: 0 0 auto;
    }

    .stageRow p {
      color: var(--muted);
      max-width: 640px;
      font-size: 15px;
      line-height: 1.85;
    }

    .stageRow__tag {
      white-space: nowrap;
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 0 13px;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 500;
      background: rgba(255, 255, 255, .045);
      border: 1px solid var(--line);
      color: #B9C1B3;
      transition: all .25s var(--ease);
    }

    .stageRow:hover .stageRow__tag {
      border-color: var(--green-line);
      background: var(--green-soft);
      color: var(--green);
    }

    .coverage {
      background: var(--bg-soft);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .coverage__wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 34px;
      margin-top: 8px;
    }

    .coverage__intro {
      max-width: 360px;
    }

    .coverage__intro h3 {
      font-size: 23px;
      line-height: 1.5;
      margin-top: 12px;
    }

    .coverage__intro p {
      margin-top: 16px;
      font-size: 15px;
      color: var(--muted);
    }

    .coverageTags {
      flex: 1;
      min-width: min(480px, 100%);
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-content: flex-start;
      background: rgba(255, 255, 255, .018);
      border: 1px solid var(--line);
      padding: 34px;
      border-radius: var(--radius);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 16px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, .12);
      color: #C2C9BB;
      background: rgba(255, 255, 255, .025);
      font-size: 14px;
      transition: all .22s var(--ease);
    }

    .tag::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--green);
      opacity: .5;
    }

    .tag:hover {
      border-color: var(--green-line);
      color: var(--green);
      background: var(--green-soft);
    }

    .featureNote {
      margin-top: 48px;
      display: grid;
      grid-template-columns: 280px 1fr;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #151A15;
      transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
    }

    .featureNote:hover {
      border-color: var(--green-line);
      box-shadow: var(--shadow);
    }

    .featureNote img {
      width: 100%;
      height: 100%;
      min-height: 240px;
      object-fit: cover;
    }

    .featureNote__body {
      padding: 34px 38px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: flex-start;
    }

    .featureNote__body .chip {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 12px;
      border-radius: 999px;
      background: var(--green-soft);
      color: var(--green);
      font-size: 12px;
      letter-spacing: .04em;
      border: 1px solid var(--green-line);
    }

    .featureNote__body h3 {
      margin-top: 18px;
      font-size: 24px;
      line-height: 1.5;
      letter-spacing: .01em;
    }

    .featureNote__body p {
      margin-top: 16px;
      color: var(--muted);
      line-height: 1.85;
    }

    .stepArea {
      background: var(--bg-soft);
      border-top: 1px solid var(--line);
    }

    .stepsTotal {
      display: flex;
      flex-direction: column;
      padding-left: 0;
      border-left: 2px solid rgba(201, 244, 91, .16);
      margin-top: 8px;
    }

    .stepPoint {
      position: relative;
      padding: 0 0 48px 54px;
    }

    .stepPoint:last-child {
      padding-bottom: 8px;
    }

    .stepPoint::before {
      content: "";
      position: absolute;
      left: -6px;
      top: 8px;
      width: 10px;
      height: 10px;
      background: var(--bg);
      border: 3px solid var(--green);
      border-radius: 50%;
      box-shadow: 0 0 0 5px rgba(201, 244, 91, .06);
    }

    .stepPoint__time {
      font-size: 12px;
      color: var(--muted);
      display: block;
      margin-bottom: 7px;
      letter-spacing: .1em;
    }

    .stepPoint h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text);
    }

    .stepPoint p {
      max-width: 700px;
      margin-top: 12px;
      color: var(--muted);
      line-height: 1.88;
    }

    .access {
      background: var(--bg);
    }

    .accessGrid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 44px;
      align-items: stretch;
    }

    .accessLead {
      padding: 46px 0 20px;
    }

    .accessLead h2 {
      font-size: clamp(28px, 3vw, 36px);
      line-height: 1.4;
      margin-top: 16px;
    }

    .accessLead > p {
      color: var(--muted);
      margin-top: 22px;
      line-height: 1.9;
      max-width: 500px;
    }

    .bulletList {
      margin-top: 30px;
      display: grid;
      gap: 14px;
    }

    .bulletList li {
      position: relative;
      padding-left: 24px;
      font-size: 15px;
      color: #D0D5CA;
      line-height: 1.8;
    }

    .bulletList li::before {
      content: "";
      position: absolute;
      left: 2px;
      top: 9px;
      width: 9px;
      height: 9px;
      background: var(--green);
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(201, 244, 91, .1);
    }

    .accessActions {
      margin-top: 32px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .previewCard {
      position: relative;
      min-height: 460px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--bg-3);
    }

    .previewCard__bg {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: blur(8px) brightness(.36);
      transform: scale(1.06);
    }

    .previewCard__glass {
      position: absolute;
      top: 16px;
      right: 16px;
      bottom: 16px;
      width: min(360px, 76%);
      border-radius: 10px;
      background: rgba(12, 16, 12, .8);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, .12);
      padding: 34px 28px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      box-shadow: var(--shadow);
    }

    .lockMark {
      width: 42px;
      height: 42px;
      border: 1px solid rgba(201, 244, 91, .35);
      background: rgba(201, 244, 91, .08);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 22px;
    }

    .lockMark svg {
      width: 18px;
      height: 18px;
      stroke: var(--green);
    }

    .previewCard__glass h3 {
      font-size: 22px;
      line-height: 1.45;
      font-weight: 700;
    }

    .previewCard__glass p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
      margin-top: 14px;
    }

    .previewCard__glass .btn {
      margin-top: 22px;
      align-self: flex-start;
    }

    .faq-section {
      background: var(--bg-soft);
      border-top: 1px solid var(--line);
    }

    .faqGrid {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 70px;
    }

    .faqAside .eyebrow {
      margin-bottom: 16px;
    }

    .faqAside h2 {
      font-size: clamp(28px, 3vw, 36px);
      line-height: 1.4;
    }

    .faqAside p {
      color: var(--muted);
      margin-top: 20px;
      line-height: 1.9;
    }

    .faqAside .btn {
      margin-top: 28px;
    }

    .faqList {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-3);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
    }

    .faq-item:hover {
      border-color: rgba(201, 244, 91, .22);
    }

    .faq-item.open {
      border-color: var(--green-line);
      box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
    }

    .faq-q {
      width: 100%;
      padding: 21px 26px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      text-align: left;
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      line-height: 1.6;
    }

    .faq-icon {
      position: relative;
      flex: 0 0 22px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .05);
      transition: all .3s var(--ease);
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      left: 50%;
      top: 50%;
      background: #8F9789;
      transform: translate(-50%, -50%);
      transition: all .3s var(--ease);
    }

    .faq-icon::before {
      width: 10px;
      height: 1px;
    }

    .faq-icon::after {
      width: 1px;
      height: 10px;
    }

    .faq-item.open .faq-icon {
      background: var(--green-soft);
    }

    .faq-item.open .faq-icon::before,
    .faq-item.open .faq-icon::after {
      background: var(--green);
    }

    .faq-item.open .faq-icon::after {
      transform: translate(-50%, -50%) rotate(90deg);
      opacity: 0;
    }

    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height .45s var(--ease), opacity .3s ease;
      opacity: 0;
    }

    .faq-item.open .faq-a {
      max-height: 220px;
      opacity: 1;
    }

    .faq-a__inner {
      padding: 0 26px 24px;
      color: var(--muted);
      line-height: 1.9;
      font-size: 15px;
      border-top: 1px solid rgba(255, 255, 255, .06);
      padding-top: 18px;
    }

    .cta {
      padding: 96px 0;
    }

    .ctaBox {
      position: relative;
      overflow: hidden;
      border-radius: 18px;
      border: 1px solid var(--line);
      padding: clamp(42px, 7vw, 76px);
      background-image: linear-gradient(95deg, rgba(9, 13, 9, .97) 0%, rgba(13, 18, 13, .88) 65%, rgba(22, 30, 19, .45) 100%), url('/assets/images/backpic/back-2.webp');
      background-position: center;
      background-size: cover;
    }

    .ctaBox::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 3px;
      background: linear-gradient(90deg, transparent, var(--green), transparent);
    }

    .ctaBox h2 {
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.45;
      letter-spacing: .01em;
      max-width: 650px;
    }

    .ctaBox p {
      color: #C8CEC1;
      margin-top: 18px;
      max-width: 620px;
      line-height: 1.9;
    }

    .ctaBox .btn {
      margin-top: 28px;
    }

    .ctaMini {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 26px;
    }

    .ctaMini span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: 13px;
      color: var(--muted);
    }

    .ctaMini span::before {
      content: "";
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--green);
      opacity: .65;
    }

    .footer {
      background: #080B08;
      border-top: 1px solid rgba(255, 255, 255, .07);
      padding: 76px 0 24px;
      margin-top: auto;
    }

    .footer__inner {
      display: grid;
      grid-template-columns: 1.5fr .8fr 1fr;
      gap: 50px;
    }

    .footer__brand p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
      max-width: 360px;
      margin-top: 18px;
    }

    .footer h4 {
      font-size: 15px;
      color: var(--text);
      margin-bottom: 18px;
      font-weight: 600;
    }

    .footer__links {
      display: grid;
      gap: 10px;
    }

    .footer__links a {
      width: fit-content;
      color: var(--muted);
      font-size: 14px;
      transition: color .22s, transform .22s var(--ease);
    }

    .footer__links a:hover {
      color: var(--green);
      transform: translateX(3px);
    }

    .footer__copy {
      position: relative;
      margin-top: 60px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, .07);
      color: #7F877B;
      font-size: 13px;
      line-height: 1.8;
    }

    .footer__copy a {
      color: #AAB2A5;
    }

    .footer__copy a:hover {
      color: var(--green);
    }

    .reveal {
      opacity: 0;
      transform: translateY(12px);
      transition: opacity .65s var(--ease), transform .65s var(--ease);
    }

    .reveal.is-visible {
      opacity: 1;
      transform: none;
    }

    @media (max-width: 1024px) {
      .container {
        width: min(900px, calc(100% - 36px));
      }

      .section {
        padding: 72px 0;
      }

      .accessGrid {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .accessLead {
        padding-top: 0;
      }

      .previewCard {
        min-height: 360px;
      }

      .faqGrid {
        gap: 36px;
      }
    }

    @media (max-width: 960px) {
      .sidebar {
        width: 292px;
        transform: translateX(-104%);
        transition: transform .38s var(--ease), box-shadow .38s var(--ease);
        box-shadow: none;
        top: 0;
        bottom: 0;
      }

      .sidebar.open {
        transform: translateX(0);
        box-shadow: 30px 0 80px rgba(0, 0, 0, .45);
      }

      .topbar {
        position: fixed;
        left: 0;
        right: 0;
        top: 0;
        z-index: 100;
        height: 58px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 16px;
        background: rgba(8, 11, 8, .92);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(255, 255, 255, .07);
      }

      .topbar__brand {
        display: flex;
        flex-direction: column;
        line-height: 1.1;
      }

      .topbar__brand .brand-cn {
        font-size: 17px;
      }

      .topbar__brand .brand-sub {
        font-size: 9px;
        margin-top: 3px;
      }

      .menuBtn {
        display: flex;
        width: 42px;
        height: 42px;
        border-radius: 10px;
        border: 1px solid rgba(255, 255, 255, .1);
        background: rgba(255, 255, 255, .03);
        align-items: center;
        justify-content: center;
        gap: 5px;
        flex-direction: column;
      }

      .menuBtn span {
        display: block;
        width: 15px;
        height: 1.5px;
        background: var(--text);
        border-radius: 2px;
        transition: all .25s var(--ease);
      }

      .menuBtn[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(5.5px) rotate(45deg);
      }

      .menuBtn[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
      }

      .menuBtn[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-5.5px) rotate(-45deg);
      }

      .drawerBackdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(4, 6, 4, .64);
        opacity: 0;
        visibility: hidden;
        transition: opacity .3s var(--ease), visibility .3s var(--ease);
        z-index: 90;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
      }

      .drawerBackdrop.open {
        opacity: 1;
        visibility: visible;
      }

      .canvas {
        margin-left: 0;
        width: 100%;
      }

      .hero {
        margin-top: 58px;
        padding: 58px 0 68px;
      }

      .footer__inner {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 720px) {
      .section {
        padding: 58px 0;
      }

      .section__head {
        margin-bottom: 36px;
      }

      .stageRow {
        grid-template-columns: 48px 1fr;
        gap: 12px;
        padding: 26px 0;
      }

      .stageRow__tag {
        grid-column: 2;
      }

      .stageRow h3 {
        font-size: 18px;
      }

      .stageRow h3::before {
        display: none;
      }

      .summaryList {
        flex-direction: column;
      }

      .coverage__wrap {
        flex-direction: column;
      }

      .featureNote {
        grid-template-columns: 1fr;
      }

      .featureNote img {
        min-height: 180px;
      }

      .featureNote__body {
        padding: 24px;
      }

      .stepPoint {
        padding-left: 36px;
      }

      .previewCard {
        min-height: 380px;
      }

      .previewCard__glass {
        left: 14px;
        right: 14px;
        top: auto;
        bottom: 14px;
        width: auto;
        min-height: 205px;
        padding: 24px 22px;
        justify-content: flex-start;
      }

      .lockMark {
        margin-bottom: 14px;
      }

      .faqGrid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .faq-a__inner {
        padding-top: 14px;
      }

      .cta {
        padding: 60px 0;
      }

      .ctaBox {
        border-radius: 14px;
        padding: 30px 24px;
      }

      .hero__actions .btn {
        width: 100%;
      }

      .hero__actions {
        flex-direction: column;
      }

      .footer__copy {
        margin-top: 38px;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: calc(100% - 28px);
      }

      .topbar {
        padding: 0 12px;
      }

      .hero {
        padding: 44px 0 52px;
      }

      .hero h1 {
        font-size: 42px;
      }

      .hero__lead {
        font-size: 15px;
      }

      .hero__tags li {
        font-size: 12px;
        padding: 0 12px;
      }

      .stageRow__num {
        font-size: 24px;
      }

      .featureNote__body h3 {
        font-size: 20px;
      }

      .section__head h2 {
        font-size: 26px;
      }

      .ctaBox h2 {
        font-size: 24px;
      }
    }