/* roulang page: index */
:root{
  --bg:#0B0F12;--surface:#11171C;--card:#151D23;
  --gold:#C9A24B;--gold-bright:#E7C76E;--gold-dark:#8F6B2C;
  --teal:#4DB8A3;--vermilion:#C9473B;
  --ink:#F2EEE4;--mut:#A8B0B8;--faint:#70777F;
  --border-gold:rgba(201,162,75,0.22);
  --divider:rgba(160,168,176,0.12);
  --radius-lg:16px;--radius-sm:10px;--radius-pill:999px;
  --shadow-deep:0 12px 40px rgba(0,0,0,0.45);
  --shadow-gold:0 0 0 1px rgba(201,162,75,0.4),0 12px 44px rgba(201,162,75,0.12);
  --font-sans:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --font-num:'DIN Alternate','Bahnschrift','Segoe UI',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
@media(max-width:640px){.container{padding:0 16px}}
.section{padding:64px 0}
@media(min-width:768px){.section{padding:100px 0}}
.section-head{max-width:720px;margin-bottom:48px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;letter-spacing:0.12em;
  color:var(--gold);text-transform:uppercase;
  padding:6px 16px;border:1px solid var(--border-gold);
  border-radius:var(--radius-pill);background:rgba(201,162,75,0.06);
}
.section-title{
  font-size:clamp(1.75rem,3.5vw,2.75rem);
  font-weight:900;line-height:1.15;letter-spacing:-0.01em;
  margin-top:16px;color:var(--ink);
}
.section-desc{margin-top:12px;color:var(--mut);font-size:17px;line-height:1.75}
.section-title-gold{color:var(--gold)}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:72px;
  background:rgba(11,15,18,0.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(201,162,75,0.14);
}
.nav-container{max-width:1280px;height:100%;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:32px}
@media(max-width:640px){.nav-container{padding:0 16px;gap:16px}}
.brand-logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-0.01em;color:var(--gold);white-space:nowrap}
.brand-mark{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:20px;font-weight:900;color:#0B0F12;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold-dark));
  border-radius:10px;box-shadow:0 0 12px rgba(201,162,75,0.35);
}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-link{
  padding:8px 18px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:var(--mut);
  transition:all .2s ease;position:relative;white-space:nowrap;
}
.nav-link:hover{color:var(--gold)}
.nav-link.active{color:var(--gold);background:rgba(201,162,75,0.1)}
.nav-link.active::after{
  content:'';position:absolute;left:18px;right:18px;bottom:-22px;height:2px;
  background:linear-gradient(90deg,var(--gold-bright),var(--gold-dark));
  border-radius:2px;
}
.player-menu-wrap{position:relative}
.player-menu-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 22px;border-radius:var(--radius-pill);
  background:linear-gradient(135deg,var(--gold-bright),var(--gold-dark));
  color:#0B0F12;font-weight:800;font-size:14px;letter-spacing:0.04em;
  transition:transform .2s ease,box-shadow .2s ease;
  box-shadow:0 4px 20px rgba(201,162,75,0.25);
}
.player-menu-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(201,162,75,0.35)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:360px;
  background:#151D23;border:1px solid var(--border-gold);
  border-radius:16px;padding:24px;
  box-shadow:var(--shadow-deep);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .3s ease;
}
.player-menu-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-panel h4{font-size:13px;font-weight:800;letter-spacing:0.08em;color:var(--faint);margin-bottom:14px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mega-col:last-child{grid-column:1/-1}
.mega-tags{display:flex;flex-wrap:wrap;gap:8px}
.mega-tag{
  font-size:13px;font-weight:600;color:var(--mut);
  padding:6px 12px;border:1px solid var(--divider);border-radius:999px;
  transition:all .2s;
}
.mega-tag:hover{color:var(--gold);border-color:var(--border-gold)}
.mega-news{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;transition:background .2s}
.mega-news:hover{background:rgba(201,162,75,0.06)}
.mega-news img{width:48px;height:48px;border-radius:8px;object-fit:cover}
.mega-news span{font-size:14px;font-weight:600;color:var(--ink);line-height:1.4}
.mega-cta{
  margin-top:16px;display:flex;justify-content:center;
}
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold-dark));
  color:#0B0F12;font-weight:800;font-size:16px;
  padding:14px 36px;border-radius:999px;
  transition:filter .2s,transform .15s;
  box-shadow:0 4px 20px rgba(201,162,75,0.25);
}
.btn-gold:hover{filter:brightness(1.1);transform:translateX(4px)}
.btn-gold:active{transform:scale(0.97)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--gold);
  border:1px solid var(--border-gold);font-weight:700;font-size:16px;
  padding:14px 36px;border-radius:999px;
  transition:all .2s;
}
.btn-ghost:hover{background:rgba(201,162,75,0.1);border-color:var(--gold)}
.btn-ghost:active{transform:scale(0.97)}
.mobile-toggle{display:none}
@media(max-width:768px){
  .nav-links{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;gap:0;padding:16px;
    background:rgba(11,15,18,0.97);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border-gold);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-link{padding:12px 16px;border-radius:10px;width:100%}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(201,162,75,0.1)}
  .mobile-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--border-gold);color:var(--gold);font-size:18px;margin-left:auto}
  .player-menu-wrap{margin-left:0}
  .mega-panel{width:calc(100vw - 32px);right:-8px}
}
.hero{
  position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;
  padding-top:72px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(11,15,18,0.94) 0%, rgba(11,15,18,0.7) 45%, rgba(11,15,18,0.4) 100%),
             linear-gradient(to top, #0B0F12 0%, rgba(11,15,18,0) 30%);
}
.hero-content{position:relative;z-index:2;max-width:1280px;margin:0 auto;padding:0 24px;width:100%}
.hero-title{
  font-size:clamp(2.5rem,7vw,4.75rem);
  font-weight:900;line-height:1.05;letter-spacing:-0.01em;
  color:var(--ink);max-width:760px;
}
.hero-title .hero-brand{color:var(--gold)}
.hero-sub{
  margin-top:24px;max-width:560px;
  font-size:18px;line-height:1.75;color:var(--mut);
}
.hero-actions{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.hero-metrics{
  position:relative;z-index:2;
  max-width:1280px;margin:0 auto;padding:0 24px;width:100%;
  display:flex;gap:40px;margin-top:72px;padding-bottom:56px;
}
.metric{display:flex;flex-direction:column;gap:4px}
.metric-value{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:2.4rem;font-weight:900;color:var(--gold);
}
.metric-label{font-size:13px;color:var(--faint);letter-spacing:0.06em}
@media(max-width:640px){
  .hero-content{padding:0 16px}
  .hero-metrics{gap:20px;margin-top:48px;padding:0 16px 40px}
  .metric-value{font-size:1.8rem}
  .hero-actions{gap:12px}
  .btn-gold,.btn-ghost{width:100%}
}
.features-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.feature-card{
  position:relative;background:var(--surface);
  border-radius:16px;padding:32px;overflow:hidden;
  border:1px solid rgba(255,255,255,0.05);
  transition:transform .25s ease,box-shadow .25s ease;
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;height:2px;width:48px;
  background:linear-gradient(90deg,var(--gold-bright),var(--gold-dark));
  transition:width .3s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-gold)}
.feature-card:hover::before{width:100%}
.feature-card.feature-wide{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.feature-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:4rem;font-weight:900;color:rgba(201,162,75,0.15);
  position:absolute;top:16px;right:24px;line-height:1;
}
.feature-icon{
  width:48px;height:48px;display:flex;align-items:center;justify-content:center;
  font-size:24px;border-radius:12px;
  background:rgba(201,162,75,0.12);color:var(--gold);margin-bottom:18px;
}
.feature-title{font-size:20px;font-weight:800;color:var(--ink);margin-top:8px}
.feature-desc{margin-top:10px;color:var(--mut);font-size:14px;line-height:1.7}
.feature-image{border-radius:12px;overflow:hidden}
.feature-image img{width:100%;height:180px;object-fit:cover;transition:transform .4s}
.feature-card:hover .feature-image img{transform:scale(1.04)}
@media(max-width:768px){
  .features-grid{grid-template-columns:1fr}
  .feature-card.feature-wide{grid-template-columns:1fr}
}
.rewards-wrap{position:relative}
.rewards-track{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.reward-card{
  position:relative;border:1px solid var(--border-gold);
  border-radius:16px;overflow:hidden;background:var(--card);
  transition:transform .25s,box-shadow .25s;
}
.reward-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-gold)}
.reward-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.reward-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.reward-card:hover .reward-cover img{transform:scale(1.03)}
.reward-mask{
  position:absolute;inset:0;background:rgba(11,15,18,0.75);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .3s;
}
.reward-card:hover .reward-mask{opacity:1}
.reward-mask span{
  color:var(--gold);font-weight:800;font-size:14px;
  padding:8px 20px;border:1px solid var(--border-gold);border-radius:999px;
  background:rgba(11,15,18,0.6);
}
.reward-body{padding:16px;display:flex;align-items:center;justify-content:space-between}
.reward-name{font-size:17px;font-weight:700;color:var(--ink)}
.reward-meta{font-family:var(--font-num);font-size:15px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums}
.reward-tag{
  position:absolute;top:10px;left:10px;z-index:2;
  background:rgba(11,15,18,0.85);color:var(--teal);
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
  border:1px solid rgba(77,184,163,0.3);
}
@media(max-width:1024px){
  .rewards-track{grid-template-columns:repeat(2,1fr);gap:16px}
}
@media(max-width:640px){
  .rewards-track{grid-template-columns:repeat(2,1fr);gap:12px;overflow-x:auto;padding-bottom:8px}
  .reward-body{flex-direction:column;align-items:flex-start;gap:4px;padding:12px}
}
.progress-section{background:linear-gradient(180deg,#0B0F12 0%,#11171C 100%)}
.progress-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media(max-width:768px){.progress-grid{grid-template-columns:1fr;gap:32px}}
.progress-overview{background:var(--surface);border:1px solid rgba(255,255,255,0.05);border-radius:16px;padding:36px}
.progress-label{font-size:14px;color:var(--mut);font-weight:700;letter-spacing:0.08em}
.progress-value{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:4.5rem;font-weight:900;color:var(--gold);
  line-height:1;margin-top:12px;
}
.progress-track{height:8px;border-radius:999px;background:rgba(255,255,255,0.06);margin-top:24px;overflow:hidden}
.progress-fill{
  height:100%;width:68%;border-radius:999px;
  background:linear-gradient(90deg,var(--gold-dark),var(--gold-bright));
  position:relative;
}
.progress-fill::after{
  content:'';position:absolute;right:-2px;top:-3px;width:14px;height:14px;border-radius:50%;
  background:var(--gold-bright);box-shadow:0 0 12px rgba(231,199,110,0.6);
}
.progress-status{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(77,184,163,0.1);color:var(--teal);
  font-size:13px;font-weight:700;padding:6px 16px;border-radius:999px;
  margin-top:20px;
}
.progress-status i{font-style:normal;width:8px;height:8px;background:var(--teal);border-radius:50%;box-shadow:0 0 8px rgba(77,184,163,0.6)}
.milestones{display:flex;flex-direction:column;gap:0}
.milestone{display:flex;gap:20px;position:relative;padding-bottom:36px}
.milestone:last-child{padding-bottom:0}
.milestone::before{
  content:'';position:absolute;left:15px;top:34px;bottom:0;width:2px;
  background:var(--divider);
}
.milestone:last-child::before{display:none}
.milestone-dot{
  width:32px;height:32px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;z-index:2;position:relative;
}
.milestone.done .milestone-dot{background:rgba(77,184,163,0.15);color:var(--teal);border:1px solid rgba(77,184,163,0.4)}
.milestone.current .milestone-dot{
  background:rgba(201,162,75,0.1);color:var(--gold);border:1px solid var(--gold);
  box-shadow:0 0 0 4px rgba(201,162,75,0.15);
  animation:pulse-gold 2s infinite;
}
@keyframes pulse-gold{
  0%,100%{box-shadow:0 0 0 3px rgba(201,162,75,0.15)}
  50%{box-shadow:0 0 0 8px rgba(201,162,75,0.05)}
}
.milestone-upcoming .milestone-dot{background:rgba(255,255,255,0.04);color:var(--faint);border:1px solid rgba(255,255,255,0.1)}
.milestone-info{display:flex;flex-direction:column;gap:4px;padding-top:4px}
.milestone-title{font-size:16px;font-weight:700;color:var(--ink)}
.milestone-sub{font-size:14px;color:var(--mut)}
.cta-banner{
  position:relative;border-radius:20px;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:64px 48px;
}
.cta-banner::after{
  content:'';position:absolute;inset:0;
  background:rgba(11,15,18,0.75);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-title{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:900;color:var(--ink);line-height:1.2}
.cta-desc{margin-top:8px;color:#B8C0C8;font-size:16px}
@media(max-width:768px){
  .cta-banner{padding:40px 24px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px}
}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:flex;align-items:center;gap:18px;
  background:var(--card);border:1px solid rgba(255,255,255,0.04);
  border-radius:12px;padding:14px;transition:all .25s;
}
.news-item:hover{background:#1A222A;border-color:var(--border-gold)}
.news-item:hover .news-title{color:var(--gold)}
.news-thumb{width:96px;height:96px;border-radius:10px;overflow:hidden;flex-shrink:0}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}
.news-cat{
  align-self:flex-start;
  background:rgba(201,162,75,0.1);color:var(--gold);
  font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;
}
.news-title{font-size:16px;font-weight:700;color:var(--ink);transition:color .2s;line-height:1.4}
.news-excerpt{
  font-size:14px;color:var(--mut);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:2px;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--faint)}
.news-meta .date{color:var(--teal);font-family:var(--font-num)}
@media(max-width:640px){
  .news-item{flex-direction:column;align-items:flex-start;gap:12px}
  .news-thumb{width:100%;height:140px}
}
.empty-state{
  padding:60px 20px;text-align:center;background:var(--card);
  border-radius:16px;border:1px dashed var(--border-gold);
}
.empty-icon{display:block;font-size:40px;color:var(--faint);opacity:0.5;margin-bottom:12px}
.empty-state p{color:var(--mut);font-size:16px}
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px}
.faq-item{
  background:var(--card);border-radius:12px;overflow:hidden;
  border:1px solid rgba(255,255,255,0.05);
  transition:border-color .2s;
}
.faq-item:hover{border-color:var(--border-gold)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;user-select:none;
}
.faq-q-text{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5}
.faq-arrow{
  width:32px;height:32px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border-gold);border-radius:50%;color:var(--gold);
  transition:transform .3s ease;font-size:14px;
}
.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 24px 24px 24px;color:var(--mut);font-size:15px;line-height:1.75;border-top:1px solid var(--divider);padding-top:16px}
.site-footer{background:#080B0E;border-top:1px solid rgba(255,255,255,0.05);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-brand .brand-logo{font-size:20px}
.footer-brand p{margin-top:14px;color:var(--faint);font-size:14px;line-height:1.7}
.footer-col h4{font-size:14px;font-weight:800;color:var(--ink);letter-spacing:0.08em;margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-col a{color:var(--mut);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  margin-top:40px;padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;
  color:var(--faint);font-size:13px;gap:12px;flex-wrap:wrap;
}
.footer-bottom .domain{font-family:var(--font-num);color:var(--mut)}
.vignette{position:relative}
.vignette::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at center, transparent 60%, rgba(11,15,18,0.7) 100%);
  pointer-events:none;z-index:1;
}
:focus{outline:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* roulang page: article */
:root {
  --bg: #0B0F12;
  --bg-secondary: #11171C;
  --card: #151D23;
  --gold: #C9A24B;
  --gold-light: #E7C76E;
  --gold-dark: #8F6B2C;
  --teal: #4DB8A3;
  --cinnabar: #C9473B;
  --text-primary: #F2EEE4;
  --text-secondary: #A8B0B8;
  --text-muted: #70777F;
  --border-gold: rgba(201,162,75,0.22);
  --divider: rgba(160,168,176,0.12);
  --shadow: 0 12px 40px rgba(0,0,0,0.45);
  --shadow-gold: 0 0 0 1px rgba(201,162,75,0.4), 0 12px 44px rgba(201,162,75,0.12);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font: inherit; }
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 640px) {
  .container { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 1024px) {
  .container { padding-left: 2rem; padding-right: 2rem; }
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 32px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #0B0F12;
  border: 1px solid transparent;
}
.btn-gold:hover {
  filter: brightness(1.1);
  box-shadow: 0 8px 24px rgba(201,162,75,0.3);
  transform: translateX(4px);
}
.btn-gold:active { transform: scale(0.97); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold-light);
}
.btn-ghost:hover { background: rgba(201,162,75,0.1); }
.btn:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(11,15,18,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--divider);
  z-index: 1000;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--gold-light);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  color: #0B0F12;
  font-weight: 900;
  font-size: 20px;
  font-family: Georgia, serif;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  height: 72px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color .2s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gold-light);
  transition: width .25s ease;
}
.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 24px; }
.nav-link.active { color: var(--gold-light); font-weight: 600; }
.nav-link.active::after { width: 24px; background: var(--gold-light); }
.mega-wrap { position: relative; }
.mega-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--border-gold);
  background: rgba(201,162,75,0.06);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  transition: all .25s ease;
}
.mega-trigger:hover {
  background: rgba(201,162,75,0.14);
  border-color: var(--gold);
}
.mega-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  width: 360px;
  background: rgba(17,23,28,0.98);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-gold);
  border-radius: 16px;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all .25s ease;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  z-index: 100;
}
.mega-wrap:hover .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega-panel h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .08em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.mega-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.mega-col:first-child { grid-column: 1 / -1; }
.mega-links { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
.mega-links a {
  display: block;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all .2s;
}
.mega-links a:hover {
  background: rgba(201,162,75,0.08);
  color: var(--gold-light);
}
.mega-post {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 8px;
  transition: background .2s;
}
.mega-post:hover { background: rgba(201,162,75,0.06); }
.mega-post img {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  object-fit: cover;
}
.mega-post span {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.mega-cta {
  display: block;
  text-align: center;
  padding: 10px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gold-light);
  transition: all .2s;
}
.mega-cta:hover { background: rgba(201,162,75,0.1); }
.mega-col:last-child { grid-column: 1 / -1; }
.menu-toggle { display: none; }
.article-hero { position: relative; padding: 120px 0 64px; overflow: hidden; }
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,15,18,0.96) 0%, rgba(11,15,18,0.85) 55%, rgba(11,15,18,0.7) 100%);
  z-index: 1;
}
.article-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--text-muted); transition: color .2s; }
.breadcrumb a:hover { color: var(--gold-light); }
.bc-sep { color: var(--gold); }
.bc-current { color: var(--gold-light); }
.article-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.kicker-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(201,162,75,0.2), rgba(201,162,75,0.08));
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
}
.kicker-text { color: var(--text-muted); font-size: 13px; }
.article-title {
  font-size: clamp(1.875rem, 4vw, 3.125rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
}
.meta-item { color: var(--text-secondary); }
.meta-dot { color: var(--teal); }
.meta-date { color: var(--teal); }
.article-body { padding: 56px 0 72px; }
.article-content-wrap { max-width: 720px; margin: 0 auto; }
.article-content { font-size: 16px; line-height: 1.85; color: #D5D8DD; }
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-primary);
  margin: 44px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--gold-light);
}
.article-content h3 {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-primary);
  margin: 32px 0 12px;
}
.article-content p { margin-bottom: 24px; color: #DDE0E3; }
.article-content a {
  color: var(--gold-light);
  border-bottom: 1px solid rgba(201,162,75,0.4);
  transition: all .2s;
}
.article-content a:hover { border-color: var(--gold-light); }
.article-content img {
  width: 100%;
  border-radius: 14px;
  margin: 28px 0;
}
.article-content blockquote {
  border-left: 4px solid var(--gold);
  background: rgba(201,162,75,0.07);
  padding: 18px 24px;
  border-radius: 0 12px 12px 0;
  margin: 28px 0;
  color: var(--text-secondary);
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content pre {
  background: #0D1318;
  border: 1px solid rgba(201,162,75,0.12);
  border-radius: 10px;
  padding: 20px 24px;
  overflow: auto;
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 14px;
  line-height: 1.7;
  margin: 28px 0;
  color: var(--gold-light);
}
.article-content code {
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  background: rgba(201,162,75,0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.article-content pre code { background: none; padding: 0; }
.article-content ul,
.article-content ol { margin: 24px 0; padding-left: 24px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; color: #D5D8DD; }
.article-content hr { border: none; border-top: 1px solid var(--divider); margin: 32px 0; }
.article-empty {
  padding: 80px 40px;
  text-align: center;
  background: var(--bg-secondary);
  border: 1px solid var(--divider);
  border-radius: 16px;
}
.empty-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(201,162,75,0.1);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  font-size: 28px;
  font-weight: 900;
  margin-bottom: 16px;
}
.empty-title { font-size: 24px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.empty-desc { color: var(--text-muted); margin-bottom: 24px; }
.related-section { padding: 64px 0 80px; background: var(--bg-secondary); }
.related-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.related-head h2 { font-size: 28px; font-weight: 800; color: var(--text-primary); }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--gold-light);
  transition: all .2s;
}
.back-link:hover { gap: 10px; color: var(--gold-light); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: var(--card);
  border: 1px solid var(--divider);
  border-radius: 16px;
  overflow: hidden;
  transition: all .3s ease;
}
.related-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}
.related-cover { aspect-ratio: 16/10; overflow: hidden; }
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .related-cover img { transform: scale(1.03); }
.related-body { padding: 20px; }
.related-body h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s;
}
.related-card:hover .related-body h3 { color: var(--gold-light); }
.related-body p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.related-date { font-size: 13px; color: var(--teal); font-variant-numeric: tabular-nums; }
.cta-section {
  padding: 80px 0;
  background: linear-gradient(rgba(11,15,18,0.75), rgba(11,15,18,0.75)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}
.cta-text h2 { font-size: 28px; font-weight: 800; margin-bottom: 12px; }
.cta-text p { color: var(--text-secondary); font-size: 16px; }
.cta-actions { display: flex; gap: 16px; flex-shrink: 0; }
.site-footer { background: #080B0E; padding: 64px 0 0; border-top: 1px solid var(--divider); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 320px;
}
.footer-col h4 { font-size: 14px; font-weight: 600; color: var(--text-primary); letter-spacing: .05em; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: var(--text-muted); transition: color .2s; }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-top: 1px solid var(--divider);
  font-size: 13px;
  color: var(--text-muted);
}
.domain { color: var(--text-muted); font-variant-numeric: tabular-nums; }
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(11,15,18,0.98);
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 0;
    border-bottom: 1px solid var(--divider);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all .25s ease;
  }
  .nav-links.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-link { height: 48px; padding: 0 20px; width: 100%; }
  .nav-link::after { display: none; }
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-gold);
    border-radius: 8px;
    background: transparent;
    color: var(--gold-light);
    font-size: 18px;
  }
  .mega-wrap { display: none; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; flex-wrap: wrap; }
  .related-grid { grid-template-columns: 1fr; }
  .article-hero { padding: 96px 0 48px; }
  .article-title { font-size: 28px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .article-meta { flex-wrap: wrap; }
  .breadcrumb { flex-wrap: wrap; }
  .article-content { font-size: 15px; }
}

/* roulang page: category1 */
:root {
    --bg: #0B0F12;
    --bg-2: #11171C;
    --card: #151D23;
    --gold: #C9A24B;
    --gold-light: #E7C76E;
    --gold-dark: #8F6B2C;
    --teal: #4DB8A3;
    --red: #C9473B;
    --text: #F2EEE4;
    --text-2: #A8B0B8;
    --text-3: #70777F;
    --border: rgba(201, 162, 75, 0.22);
    --divider: rgba(160, 168, 176, 0.12);
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-pill: 999px;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    --gold-glow: 0 0 0 1px rgba(201, 162, 75, 0.4), 0 12px 44px rgba(201, 162, 75, 0.12);
  }

  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
  }

  body {
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

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

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

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

  ul, ol {
    list-style: none;
  }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
  }

  @media (min-width: 640px) {
    .container {
      padding: 0 24px;
    }
  }

  @media (min-width: 1024px) {
    .container {
      padding: 0 32px;
    }
  }

  /* ===== Header / Nav ===== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 72px;
    background: rgba(11, 15, 18, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--divider);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 16px;
  }

  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    font-size: 20px;
    letter-spacing: -0.01em;
    color: var(--gold-light);
    white-space: nowrap;
    transition: opacity .2s;
  }

  .brand-logo:hover {
    opacity: .88;
  }

  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, #8F6B2C, #E7C76E);
    color: #0B0F12;
    font-weight: 900;
    font-size: 20px;
    font-variant-numeric: tabular-nums;
    box-shadow: 0 0 18px rgba(201, 162, 75, 0.35);
    flex-shrink: 0;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .nav-link {
    padding: 10px 18px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-2);
    transition: color .2s, background .2s;
    position: relative;
  }

  .nav-link:hover {
    color: var(--gold-light);
    background: rgba(201, 162, 75, 0.08);
  }

  .nav-link.active {
    color: var(--gold-light);
    background: rgba(201, 162, 75, 0.1);
    font-weight: 600;
  }

  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 18px;
    right: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--gold);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .mega-wrap {
    position: relative;
  }

  .mega-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-pill);
    background: rgba(201, 162, 75, 0.12);
    border: 1px solid var(--border);
    color: var(--gold-light);
    font-size: 14px;
    font-weight: 600;
    transition: all .2s;
  }

  .mega-btn:hover, .mega-wrap:hover .mega-btn {
    background: rgba(201, 162, 75, 0.22);
    box-shadow: var(--gold-glow);
  }

  .mega-panel {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 360px;
    max-width: 90vw;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 20px;
    display: none;
    z-index: 200;
  }

  .mega-wrap:hover .mega-panel,
  .mega-wrap:focus-within .mega-panel {
    display: block;
    animation: megaIn .2s ease;
  }

  @keyframes megaIn {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .mega-col-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-3);
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    text-transform: uppercase;
  }

  .mega-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .mega-link {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    font-size: 13px;
    color: var(--text-2);
    transition: all .2s;
  }

  .mega-link:hover {
    color: var(--gold-light);
    background: rgba(201, 162, 75, 0.08);
  }

  .mega-section {
    margin-bottom: 16px;
  }

  .mega-section:last-child {
    margin-bottom: 0;
  }

  .mega-news {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 10px;
    transition: background .2s;
  }

  .mega-news:hover {
    background: rgba(201, 162, 75, 0.06);
  }

  .mega-news img {
    width: 56px;
    height: 56px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
  }

  .mega-news-info {
    flex: 1;
    min-width: 0;
  }

  .mega-news-info strong {
    display: block;
    font-size: 13px;
    color: var(--text);
    line-height: 1.4;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .mega-news-info span {
    font-size: 12px;
    color: var(--teal);
  }

  .mega-cta {
    display: block;
    text-align: center;
    padding: 12px 16px;
    border-radius: 10px;
    background: linear-gradient(135deg, #E7C76E, #C9A24B);
    color: #0B0F12;
    font-weight: 700;
    font-size: 14px;
    transition: transform .2s, box-shadow .2s;
  }

  .mega-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 162, 75, 0.3);
  }

  .nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--border);
    color: var(--gold-light);
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all .2s;
  }

  .nav-toggle:hover {
    background: rgba(201, 162, 75, 0.08);
    border-color: var(--gold);
  }

  /* ===== Buttons ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 32px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 700;
    transition: all .25s;
    position: relative;
    white-space: nowrap;
  }

  .btn:focus-visible {
    outline: 2px solid var(--gold-light);
    outline-offset: 3px;
  }

  .btn-primary {
    background: linear-gradient(135deg, #E7C76E, #C9A24B);
    color: #0B0F12;
    box-shadow: 0 4px 20px rgba(201, 162, 75, 0.3);
  }

  .btn-primary:hover {
    filter: brightness(1.1);
    transform: translateX(4px);
    box-shadow: 0 6px 28px rgba(201, 162, 75, 0.45);
  }

  .btn-primary:active {
    transform: scale(0.97);
  }

  .btn-secondary {
    border: 1px solid var(--gold);
    color: var(--gold-light);
    background: transparent;
  }

  .btn-secondary:hover {
    background: rgba(201, 162, 75, 0.1);
    transform: translateY(-2px);
  }

  .btn-secondary:active {
    transform: scale(0.97);
  }

  /* ===== Page Banner ===== */
  .page-banner {
    position: relative;
    padding: 160px 0 100px;
    background: linear-gradient(120deg, rgba(11, 15, 18, 0.85) 0%, rgba(11, 15, 18, 0.55) 55%, rgba(11, 15, 18, 0.82) 100%), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    border-bottom: 1px solid var(--border);
  }

  .page-banner::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 80px;
    background: linear-gradient(to top, var(--bg), transparent);
    pointer-events: none;
  }

  .banner-inner {
    position: relative;
    z-index: 2;
    max-width: 860px;
  }

  .banner-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    background: rgba(201, 162, 75, 0.12);
    border: 1px solid var(--border);
    color: var(--gold-light);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.06em;
  }

  .page-banner h1 {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 20px;
  }

  .page-banner h1 .gold {
    color: var(--gold-light);
  }

  .page-banner p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-2);
    max-width: 640px;
    margin-bottom: 32px;
  }

  .banner-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }

  /* ===== Section ===== */
  .section {
    padding: 80px 0;
  }

  .section-alt {
    background: var(--bg-2);
    border-top: 1px solid var(--divider);
    border-bottom: 1px solid var(--divider);
  }

  @media (min-width: 768px) {
    .section {
      padding: 96px 0;
    }
  }

  .section-head {
    margin-bottom: 48px;
  }

  .section-head.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }

  .section-kicker {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .section-head.center .section-kicker {
    justify-content: center;
  }

  .section-kicker::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--gold);
    display: inline-block;
  }

  .section-head h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
    color: var(--text);
    line-height: 1.2;
  }

  .section-head p {
    color: var(--text-2);
    max-width: 640px;
    line-height: 1.8;
    font-size: 16px;
  }

  .section-head.center p {
    margin-left: auto;
    margin-right: auto;
  }

  /* ===== Highlight Cards ===== */
  .highlight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .highlight-card {
    position: relative;
    background: var(--bg-2);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--divider);
    border-top: 2px solid var(--gold);
    overflow: hidden;
    transition: all .3s;
    display: block;
  }

  .highlight-card:hover {
    transform: translateY(-4px);
    border-top-width: 2px;
    box-shadow: var(--gold-glow);
  }

  .highlight-card.featured {
    grid-column: span 2;
  }

  .highlight-num {
    font-size: 64px;
    font-weight: 900;
    line-height: 1;
    color: rgba(201, 162, 75, 0.12);
    position: absolute;
    top: 18px;
    right: 24px;
    font-family: Georgia, 'Times New Roman', serif;
    font-variant-numeric: tabular-nums;
    pointer-events: none;
  }

  .highlight-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(201, 162, 75, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
  }

  .highlight-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
  }

  .highlight-card p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.75;
    margin: 0;
  }

  .highlight-card.highlight-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    background: linear-gradient(135deg, rgba(201, 162, 75, 0.14), rgba(201, 162, 75, 0.02));
    border: 1px solid var(--border);
  }

  .highlight-card.highlight-cta h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gold-light);
    margin-bottom: 8px;
  }

  .highlight-card.highlight-cta span {
    font-size: 13px;
    color: var(--text-2);
    line-height: 1.6;
  }

  .highlight-card.highlight-cta:hover {
    transform: translateY(-4px);
    box-shadow: var(--gold-glow);
  }

  /* ===== Filter Row ===== */
  .filter-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 32px;
  }

  .filter-pill {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--divider);
    color: var(--text-2);
    font-size: 13px;
    font-weight: 500;
    transition: all .2s;
    background: rgba(11, 15, 18, 0.4);
    white-space: nowrap;
  }

  .filter-pill:hover {
    border-color: var(--gold);
    color: var(--gold-light);
  }

  .filter-pill.active {
    background: rgba(201, 162, 75, 0.12);
    border-color: var(--gold);
    color: var(--gold-light);
    font-weight: 600;
  }

  .filter-pill:focus-visible {
    outline: 2px solid var(--gold-light);
    outline-offset: 2px;
  }

  /* ===== Mode Cards ===== */
  .mode-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .mode-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all .3s;
    display: block;
  }

  .mode-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--gold-glow);
  }

  .mode-cover {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
  }

  .mode-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
  }

  .mode-card:hover .mode-cover img {
    transform: scale(1.03);
  }

  .mode-body {
    padding: 24px;
  }

  .mode-body h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
  }

  .mode-body p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
    margin: 0;
  }

  .mode-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    background: rgba(11, 15, 18, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: var(--gold-light);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--border);
  }

  .mode-card.mode-wide {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .mode-card.mode-wide .mode-cover {
    aspect-ratio: auto;
    min-height: 220px;
    height: 100%;
  }

  .mode-card.mode-wide .mode-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 32px;
  }

  .mode-card.mode-wide .mode-body h3 {
    font-size: 20px;
  }

  /* ===== Scenario ===== */
  .scenario-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .scenario-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--bg-2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--divider);
    transition: all .3s;
  }

  .scenario-card:hover {
    box-shadow: var(--gold-glow);
    border-color: var(--border);
    transform: translateY(-2px);
  }

  .scenario-img {
    min-height: 240px;
    overflow: hidden;
  }

  .scenario-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
  }

  .scenario-card:hover .scenario-img img {
    transform: scale(1.02);
  }

  .scenario-body {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .scenario-body h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
  }

  .scenario-body p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.75;
    margin: 0;
  }

  .scenario-card.flip .scenario-img {
    order: 2;
  }

  /* ===== Process ===== */
  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .process-step {
    position: relative;
    padding: 28px;
    background: var(--bg-2);
    border-radius: var(--radius-lg);
    border-top: 2px solid var(--gold);
    transition: all .3s;
  }

  .process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--gold-glow);
  }

  .process-step.done {
    border-top-color: var(--teal);
  }

  .process-node {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--card);
    border: 2px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 13px;
    font-weight: 700;
    color: var(--gold-light);
    font-variant-numeric: tabular-nums;
  }

  .process-step.done .process-node {
    border-color: var(--teal);
    color: var(--teal);
  }

  .process-step h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
  }

  .process-step p {
    font-size: 13px;
    color: var(--text-2);
    line-height: 1.7;
    margin: 0;
  }

  /* ===== FAQ ===== */
  .faq-list {
    max-width: 820px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--bg-2);
    border: 1px solid var(--divider);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: border-color .3s, box-shadow .3s;
  }

  .faq-item.active {
    border-color: var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  }

  .faq-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 20px 24px;
    text-align: left;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    transition: color .2s;
  }

  .faq-toggle:hover {
    color: var(--gold-light);
  }

  .faq-toggle:focus-visible {
    outline: 2px solid var(--gold-light);
    outline-offset: -2px;
    border-radius: 12px;
  }

  .faq-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-light);
    transition: transform .3s ease;
    font-size: 14px;
    line-height: 1;
  }

  .faq-item.active .faq-icon {
    transform: rotate(180deg);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }

  .faq-item.active .faq-answer {
    max-height: 400px;
  }

  .faq-answer p {
    padding: 0 24px 20px;
    color: var(--text-2);
    font-size: 14px;
    line-height: 1.8;
    margin: 0;
  }

  /* ===== CTA Banner ===== */
  .cta-banner {
    position: relative;
    padding: 88px 0;
    background: linear-gradient(rgba(11, 15, 18, 0.78), rgba(11, 15, 18, 0.88)), url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
    text-align: center;
    border-top: 1px solid var(--divider);
    border-bottom: 1px solid var(--divider);
  }

  .cta-inner {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
  }

  .cta-inner h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text);
    line-height: 1.25;
  }

  .cta-inner p {
    color: var(--text-2);
    font-size: 16px;
    margin-bottom: 32px;
    line-height: 1.8;
  }

  .cta-inner .banner-actions {
    justify-content: center;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: #080B0E;
    border-top: 1px solid var(--divider);
    padding: 64px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
  }

  .footer-brand p {
    font-size: 14px;
    color: var(--text-3);
    line-height: 1.8;
    margin-top: 16px;
    max-width: 320px;
  }

  .footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 20px;
    letter-spacing: 0.04em;
  }

  .footer-col ul li {
    margin-bottom: 12px;
  }

  .footer-col a {
    font-size: 14px;
    color: var(--text-2);
    transition: color .2s;
  }

  .footer-col a:hover {
    color: var(--gold-light);
  }

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    border-top: 1px solid var(--divider);
    font-size: 13px;
    color: var(--text-3);
    flex-wrap: wrap;
    gap: 8px;
  }

  .footer-bottom .domain {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05em;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .highlight-grid {
      grid-template-columns: 1fr 1fr;
    }

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

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

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

    .scenario-card.flip .scenario-img {
      order: 0;
    }

    .scenario-img {
      min-height: 220px;
      max-height: 320px;
    }

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

  @media (max-width: 768px) {
    .site-header {
      height: 64px;
    }

    .brand-logo {
      font-size: 17px;
      gap: 8px;
    }

    .brand-mark {
      width: 32px;
      height: 32px;
      font-size: 16px;
      border-radius: 8px;
    }

    .nav-links {
      display: none;
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      flex-direction: column;
      align-items: stretch;
      background: rgba(11, 15, 18, 0.98);
      padding: 16px;
      gap: 8px;
      border-bottom: 1px solid var(--divider);
      max-height: calc(100vh - 64px);
      overflow-y: auto;
      z-index: 999;
    }

    .nav-links.open {
      display: flex;
    }

    .nav-link {
      padding: 14px 18px;
      font-size: 16px;
    }

    .nav-link.active::after {
      display: none;
    }

    .nav-toggle {
      display: inline-flex;
    }

    .mega-panel {
      position: fixed;
      left: 16px;
      right: 16px;
      top: 64px;
      width: auto;
      max-width: none;
    }

    .page-banner {
      padding: 120px 0 72px;
    }

    .page-banner h1 {
      font-size: clamp(2rem, 9vw, 2.75rem);
    }

    .page-banner p {
      font-size: 15px;
    }

    .banner-actions {
      flex-direction: column;
      width: 100%;
    }

    .banner-actions .btn {
      width: 100%;
    }

    .highlight-grid,
    .mode-grid,
    .process-grid,
    .scenario-grid {
      grid-template-columns: 1fr;
    }

    .highlight-card.featured {
      grid-column: span 1;
    }

    .mode-card.mode-wide {
      grid-template-columns: 1fr;
    }

    .mode-card.mode-wide .mode-cover {
      min-height: 180px;
    }

    .mode-card.mode-wide .mode-body {
      padding: 24px;
    }

    .mode-card.mode-wide .mode-body h3 {
      font-size: 18px;
    }

    .scenario-body {
      padding: 24px;
    }

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

    .section {
      padding: 64px 0;
    }

    .filter-row {
      overflow-x: auto;
      flex-wrap: nowrap;
      padding-bottom: 8px;
      -webkit-overflow-scrolling: touch;
    }

    .filter-pill {
      flex-shrink: 0;
    }
  }

  @media (max-width: 520px) {
    .section-head h2 {
      font-size: 1.6rem;
    }

    .highlight-card {
      padding: 24px 20px;
    }

    .highlight-num {
      font-size: 52px;
    }

    .process-grid {
      gap: 16px;
    }

    .process-step {
      padding: 20px;
    }

    .cta-banner {
      padding: 72px 0;
    }

    .cta-inner .banner-actions {
      flex-direction: column;
    }

    .cta-inner .btn {
      width: 100%;
    }

    .footer-bottom {
      justify-content: center;
      text-align: center;
    }
  }