/* roulang page: index */
:root{
  --bg:#F4F6F9;
  --surface:#FFFFFF;
  --surface-muted:#EDEFF4;
  --ink:#1B1F27;
  --ink-secondary:#5C6470;
  --ink-tertiary:#9AA1AC;
  --line:rgba(30,35,45,.08);
  --brand:#FF6A00;
  --brand-strong:#E05200;
  --brand-soft:rgba(255,106,0,.10);
  --online:#00C48C;
  --live:#FF3B5C;
  --gold:#FFB800;
  --dark:#141821;
  --dark-soft:#1D2430;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-sm:0 4px 12px rgba(16,20,28,.05);
  --shadow-md:0 12px 28px rgba(16,20,28,.08);
  --shadow-lg:0 24px 60px rgba(16,20,28,.12);
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--bg);
  color:var(--ink);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(255,106,0,.35);
  outline-offset:2px;
}
ul,ol{list-style:none}
button{font-family:inherit;border:0;background:none;cursor:pointer}
input,textarea{font-family:inherit}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:80px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.eyebrow{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  margin-bottom:8px;
}
.eyebrow::before{
  content:"";
  width:20px;
  height:3px;
  border-radius:2px;
  background:var(--brand);
}
.section-title{
  font-size:30px;
  font-weight:700;
  line-height:1.28;
  color:var(--ink);
}
.section-sub{
  color:var(--ink-secondary);
  font-size:15px;
  max-width:640px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
  cursor:pointer;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
}
.btn-primary:hover{
  background:var(--brand-strong);
  transform:translateY(-1px);
  box-shadow:var(--shadow-md);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:none;
}
.btn-outline-light{
  background:rgba(255,255,255,.06);
  color:#fff;
  border-color:rgba(255,255,255,.45);
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.13);
  border-color:#fff;
  color:#fff;
}
.btn-outline-dark{
  background:var(--surface);
  color:var(--ink);
  border-color:var(--line);
}
.btn-outline-dark:hover{
  border-color:var(--brand);
  color:var(--brand);
  box-shadow:var(--shadow-sm);
}
.text-link{
  color:var(--brand);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.text-link:hover{
  color:var(--brand-strong);
}
.text-link .arr{
  transition:transform .2s ease;
}
.text-link:hover .arr{
  transform:translateX(4px);
}

/* topbar */
.topbar{
  background:var(--dark);
  color:#94A0B3;
  font-size:12px;
  height:38px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.topbar-left{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.topbar-left .domain{color:#cfd6e0;font-weight:600}
.topbar-left span{white-space:nowrap}
.topbar-left .muted{color:#6f7a8a}
.topbar-right{
  display:flex;
  align-items:center;
  gap:16px;
  white-space:nowrap;
}
.topbar-right a{color:#aab4c3;transition:color .2s}
.topbar-right a:hover{color:var(--brand)}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.16)}

/* main nav */
.main-header{
  background:var(--surface);
  position:sticky;
  top:0;
  z-index:99;
  border-bottom:1px solid var(--line);
  box-shadow:0 0 rgba(0,0,0,0);
  transition:box-shadow .25s ease;
}
.main-header.scrolled{
  box-shadow:var(--shadow-sm);
}
.nav-inner{
  display:flex;
  align-items:center;
  min-height:72px;
  gap:24px;
}
.logo{
  display:flex;
  align-items:baseline;
  gap:2px;
  font-size:22px;
  line-height:1;
  font-weight:800;
  letter-spacing:0;
  flex-shrink:0;
}
.logo .logo-orange{color:var(--brand)}
.logo .logo-ink{color:var(--ink)}
.nav-links{
  display:flex;
  align-items:center;
  margin-left:auto;
  gap:6px;
}
.nav-links > li{
  position:relative;
}
.nav-links a.nav-item{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 13px;
  border-radius:10px;
  color:var(--ink-secondary);
  font-weight:500;
  font-size:15px;
  transition:background .2s,color .2s;
}
.nav-links a.nav-item:hover{
  color:var(--brand);
  background:var(--brand-soft);
}
.nav-links li.active a.nav-item{
  color:var(--brand);
  background:var(--brand-soft);
  font-weight:600;
}
.nav-links li.active a.nav-item::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:3px;
  height:3px;
  border-radius:2px;
  background:var(--brand);
}
.nav-cta{
  margin-left:12px;
  height:42px;
  padding:0 22px;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  margin-left:auto;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-overlay{
  display:none;
}

/* hero */
.hero-live{
  background:var(--dark);
  color:#F5F7FA;
  position:relative;
  overflow:hidden;
  padding:64px 0 54px;
}
.hero-bg{
  position:absolute;
  inset:0;
  background:
    linear-gradient(120deg,rgba(20,24,33,.96) 0%,rgba(20,24,33,.82) 42%,rgba(29,36,48,.55) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  z-index:0;
}
.hero-grid-lines{
  position:absolute;
  inset:0;
  background:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;
  z-index:0;
  pointer-events:none;
}
.hero-glow{
  position:absolute;
  right:-120px;
  top:-80px;
  width:480px;
  height:480px;
  background:radial-gradient(circle,rgba(255,106,0,.28),transparent 65%);
  z-index:0;
  pointer-events:none;
}
.hero-glow2{
  position:absolute;
  left:-140px;
  bottom:-160px;
  width:420px;
  height:420px;
  background:radial-gradient(circle,rgba(0,196,140,.16),transparent 60%);
  z-index:0;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:1;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(360px,.88fr);
  gap:48px;
  align-items:center;
}
.hero-cover-block{
  border-radius:24px;
  overflow:hidden;
  position:relative;
  background:#12161e;
  box-shadow:0 30px 70px rgba(0,0,0,.45);
  border:1px solid rgba(255,255,255,.08);
}
.hero-cover-block .cover-media{
  position:relative;
  aspect-ratio:16/9;
}
.hero-cover-block .cover-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.cover-shade{
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(12,14,22,.9),rgba(12,14,22,.08) 45%);
}
.live-badge{
  position:absolute;
  left:16px;
  top:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(20,24,33,.72);
  border:1px solid rgba(255,106,0,.6);
  color:#ffd5bb;
  font-size:12px;
  font-weight:600;
  backdrop-filter:blur(4px);
}
.live-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--live);
  box-shadow:0 0 0 3px rgba(255,59,92,.2);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.6;transform:scale(.9)}
}
.cover-text{
  position:absolute;
  left:20px;
  right:20px;
  bottom:16px;
  z-index:2;
  color:#fff;
}
.cover-text h2{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:2px;
}
.cover-text p{
  font-size:13px;
  color:rgba(255,255,255,.72);
}
.hero-copy{
  padding:20px 0;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--gold);
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
  margin-bottom:14px;
}
.hero-kicker .dot{
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--gold);
}
.hero-title{
  font-size:36px;
  line-height:1.22;
  font-weight:800;
  color:#fff;
  letter-spacing:-.2px;
  margin-bottom:16px;
}
.hero-subtitle{
  color:#b4bdca;
  font-size:15px;
  line-height:1.8;
  max-width:480px;
  margin-bottom:26px;
}
.countdown-label{
  color:#c1c9d5;
  font-size:13px;
  font-weight:600;
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:8px;
}
.countdown-label::before{
  content:"";
  width:6px;
  height:6px;
  background:var(--brand);
  border-radius:50%;
}
.countdown{
  display:flex;
  gap:10px;
  margin-bottom:26px;
}
.cd-item{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;
  min-width:76px;
  padding:12px 10px 10px;
  text-align:center;
  transition:background .2s ease;
}
.cd-num{
  display:block;
  font-size:30px;
  font-weight:700;
  line-height:1;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:1px;
  margin-bottom:6px;
}
.cd-label{
  font-size:12px;
  color:#8d98a8;
  display:block;
}
.live-spots{
  border-left:2px solid var(--brand);
  margin:0 0 24px 4px;
  padding:2px 0 2px 18px;
}
.live-spots li{
  position:relative;
  color:#d5dbe4;
  font-size:15px;
  line-height:1.8;
  padding:3px 0 3px 16px;
}
.live-spots li::before{
  content:"";
  position:absolute;
  left:0;
  top:13px;
  width:7px;
  height:7px;
  background:var(--brand);
  border-radius:50%;
  box-shadow:0 0 0 3px rgba(255,106,0,.14);
}
.hero-actions{
  display:flex;
  gap:14px;
  align-items:center;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.replay-hint{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(255,184,0,.14);
  border:1px solid rgba(255,184,0,.28);
  color:#ffd273;
  font-size:12px;
  font-weight:500;
  position:relative;
  top:-16px;
}
.hero-feature-line{
  position:relative;
  z-index:1;
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:36px;
  padding-top:18px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.feature-chip{
  display:flex;
  align-items:center;
  gap:10px;
  color:#aeb7c5;
  font-size:13px;
  font-weight:500;
}
.feature-chip .fi{
  width:18px;
  height:18px;
  border-radius:50%;
  background:rgba(255,106,0,.18);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:11px;
  font-weight:800;
}

/* latest news section */
.latest-news{
  background:var(--bg);
  padding:80px 0 72px;
}
.news-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.news-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px 24px;
  display:flex;
  align-items:center;
  gap:24px;
  transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;
}
.news-card:hover{
  border-color:rgba(255,106,0,.25);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.news-card-main{
  flex:1;
  min-width:0;
}
.news-topline{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:8px;
  flex-wrap:wrap;
}
.news-cat{
  display:inline-flex;
  align-items:center;
  padding:3px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-strong);
  font-size:12px;
  font-weight:600;
}
.news-time{
  color:var(--ink-tertiary);
  font-size:13px;
}
.news-card h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:6px;
}
.news-card h3 a{
  color:var(--ink);
  transition:color .2s;
}
.news-card h3 a:hover{
  color:var(--brand);
}
.news-summary{
  color:var(--ink-secondary);
  font-size:14px;
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  max-width:820px;
}
.news-card .read-more{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:600;
  font-size:14px;
  white-space:nowrap;
  transition:gap .2s ease;
}
.news-card .read-more:hover{
  gap:10px;
}
.empty-state{
  border:1px dashed #d3d9e1;
  background:var(--surface);
  border-radius:16px;
  min-height:170px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  color:var(--ink-tertiary);
  gap:10px;
}
.empty-icon{
  width:44px;
  height:44px;
  border-radius:50%;
  background:var(--surface-muted);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
}
.empty-state p{font-size:15px}

/* category gates */
.category-gate{
  background:var(--surface);
  padding:80px 0;
}
.cat-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.entry-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;
  flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.entry-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(255,106,0,.18);
}
.entry-media{
  position:relative;
  aspect-ratio:16/7;
  overflow:hidden;
  background:var(--surface-muted);
}
.entry-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.entry-card:hover .entry-media img{
  transform:scale(1.04);
}
.entry-num{
  position:absolute;
  left:16px;
  top:16px;
  z-index:2;
  padding:2px 11px;
  border-radius:8px;
  background:rgba(20,24,33,.62);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;
  font-size:13px;
  font-weight:700;
}
.entry-body{
  padding:24px 24px 26px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.entry-body h3{
  font-size:24px;
  font-weight:700;
  line-height:1.3;
  margin-bottom:10px;
}
.entry-body p{
  color:var(--ink-secondary);
  font-size:15px;
  line-height:1.75;
  flex:1;
  margin-bottom:18px;
}
.entry-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:600;
  font-size:15px;
}
.entry-link .arr{
  transition:transform .25s;
}
.entry-card:hover .entry-link .arr{
  transform:translateX(5px);
}

/* experience road / feature rows */
.experience{
  background:var(--surface-muted);
  padding:80px 0;
}
.feature-rows{
  display:flex;
  flex-direction:column;
  gap:64px;
}
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.feature-row.reverse .feature-media{
  order:2;
}
.feature-media{
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-md);
  aspect-ratio:16/10;
  background:#dfe3e9;
  position:relative;
}
.feature-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.feature-copy .step-badge{
  display:inline-flex;
  align-items:center;
  padding:4px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-strong);
  font-size:13px;
  font-weight:700;
  margin-bottom:14px;
}
.feature-copy h3{
  font-size:26px;
  font-weight:700;
  line-height:1.3;
  margin-bottom:14px;
  color:var(--ink);
}
.feature-copy p{
  color:var(--ink-secondary);
  font-size:15px;
  line-height:1.8;
  margin-bottom:8px;
  max-width:500px;
}
.feature-copy .feature-tip{
  display:inline-block;
  color:var(--ink-tertiary);
  font-size:13px;
  margin-top:8px;
  padding-left:14px;
  border-left:3px solid var(--brand);
}
@media(max-width:991px){
  .feature-row{
    grid-template-columns:1fr;
    gap:24px;
  }
  .feature-row.reverse .feature-media{
    order:0;
  }
}

/* FAQ */
.faq-section{
  background:var(--surface);
  padding:80px 0;
}
.faq-wrap{
  max-width:840px;
  margin:0 auto;
}
.faq-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface);
  margin-bottom:12px;
  transition:border-color .2s,background .2s,box-shadow .2s;
}
.faq-item.open{
  background:#F6F7FA;
  border-color:rgba(255,106,0,.22);
  box-shadow:var(--shadow-sm);
}
.faq-toggle{
  width:100%;
  min-height:58px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 20px;
  text-align:left;
  font-size:16px;
  font-weight:650;
  color:var(--ink);
  border-radius:14px;
}
.faq-icon{
  position:relative;
  width:20px;
  height:20px;
  flex-shrink:0;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink-tertiary);
  border-radius:2px;
  transition:background .2s,transform .3s;
}
.faq-icon::before{
  left:4px;
  right:4px;
  top:9px;
  height:2px;
}
.faq-icon::after{
  top:4px;
  bottom:4px;
  left:9px;
  width:2px;
}
.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after{
  background:var(--brand);
}
.faq-item.open .faq-icon::after{
  transform:scaleY(0);
}
.faq-answer{
  display:none;
  padding:0 22px 18px;
  color:var(--ink-secondary);
  font-size:15px;
  line-height:1.8;
}
.faq-item.open .faq-answer{
  display:block;
}

/* CTA */
.cta-band{
  background:var(--dark);
  position:relative;
  overflow:hidden;
  padding:84px 0;
}
.cta-bg{
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(20,24,33,.94),rgba(20,24,33,.72)),url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.cta-inner{
  position:relative;
  z-index:1;
  text-align:center;
  color:#fff;
}
.cta-inner h2{
  font-size:34px;
  font-weight:800;
  line-height:1.25;
  margin-bottom:14px;
}
.cta-inner p{
  color:#b3bccb;
  font-size:16px;
  max-width:560px;
  margin:0 auto 30px;
  line-height:1.8;
}
.cta-actions{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}

/* footer */
.site-footer{
  background:#0F1219;
  color:#8893A4;
  padding:64px 0 30px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.25fr;
  gap:40px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(255,255,255,.08);
  margin-bottom:26px;
}
.footer-brand{
  max-width:320px;
}
.footer-brand .logo{
  font-size:20px;
  margin-bottom:12px;
  color:#fff;
}
.footer-desc{
  color:#7C869A;
  line-height:1.8;
  font-size:14px;
  margin-top:14px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-links li{
  margin-bottom:9px;
}
.footer-links a{
  color:#7C869A;
  font-size:14px;
  transition:color .2s,padding-left .2s;
}
.footer-links a:hover{
  color:var(--brand);
  padding-left:4px;
}
.footer-info-line{
  display:flex;
  align-items:flex-start;
  gap:8px;
  color:#7C869A;
  font-size:13px;
  line-height:1.7;
  margin-bottom:8px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#647080;
}
.footer-bottom .copyright{
  color:#778298;
}
.footer-bottom a{
  color:#778298;
}
.footer-bottom a:hover{
  color:var(--brand);
}

/* responsive */
@media(max-width:1199px){
  .hero-grid{
    grid-template-columns:minmax(0,1fr) minmax(340px,.9fr);
    gap:36px;
  }
  .hero-title{
    font-size:31px;
  }
  .cd-item{
    min-width:66px;
  }
}
@media(max-width:991px){
  .section{padding:64px 0}
  .hero-live{padding:44px 0 40px}
  .hero-grid{
    grid-template-columns:1fr;
    gap:36px;
  }
  .hero-title{
    font-size:34px;
  }
  .hero-subtitle{
    max-width:none;
  }
  .cat-grid{
    grid-template-columns:1fr;
    gap:20px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
  .footer-brand{
    grid-column:1/-1;
    max-width:none;
  }
  .nav-links{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(320px,86vw);
    background:var(--surface);
    flex-direction:column;
    align-items:stretch;
    padding:90px 22px 30px;
    transform:translateX(105%);
    transition:transform .32s ease,box-shadow .32s ease;
    box-shadow:var(--shadow-lg);
    overflow-y:auto;
    z-index:120;
  }
  .nav-links.open{
    transform:none;
  }
  .nav-links > li{
    width:100%;
  }
  .nav-links a.nav-item{
    height:46px;
    width:100%;
    justify-content:flex-start;
    border-radius:12px;
  }
  .nav-links li.active a.nav-item::after{
    left:auto;
    right:auto;
    width:18px;
    height:3px;
  }
  .nav-cta{
    margin:18px 0 0;
    width:100%;
    justify-content:center;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .mobile-overlay.show{
    display:block;
    position:fixed;
    inset:0;
    background:rgba(15,18,25,.5);
    z-index:110;
    opacity:1;
  }
  .hero-feature-line{
    grid-template-columns:1fr 1fr;
    row-gap:14px;
  }
  .feature-row{
    grid-template-columns:1fr;
    gap:22px;
  }
  .feature-row.reverse .feature-media{order:0}
}
@media(max-width:767px){
  .topbar-left .muted{display:none}
  .topbar-right{gap:12px}
  .topbar-right .topbar-divider{display:none}
  .topbar-right a span.hide-sm{display:none}
  .topbar{height:36px}
  .nav-inner{
    min-height:62px;
  }
  .logo{
    font-size:19px;
  }
  .hero-title{
    font-size:27px;
  }
  .hero-subtitle{
    font-size:14px;
  }
  .countdown{
    gap:8px;
  }
  .cd-item{
    min-width:0;
    flex:1;
    padding:11px 4px 9px;
  }
  .cd-num{
    font-size:23px;
  }
  .cd-label{
    font-size:11px;
  }
  .live-spots li{
    font-size:14px;
  }
  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .hero-actions .btn{
    width:100%;
  }
  .replay-hint{
    top:0;
    justify-content:center;
    margin-top:-8px;
  }
  .hero-feature-line{
    grid-template-columns:1fr;
    gap:10px;
  }
  .section-title{
    font-size:25px;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
  }
  .news-card{
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
    padding:18px;
  }
  .news-card .read-more{
    align-self:flex-end;
  }
  .news-summary{
    -webkit-line-clamp:3;
  }
  .entry-body h3{
    font-size:20px;
  }
  .feature-copy h3{
    font-size:22px;
  }
  .cta-inner h2{
    font-size:27px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:28px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:center;
    text-align:center;
  }
  .hero-feature-line{
    margin-top:24px;
  }
}

/* roulang page: article */
:root {
  --bg: #F4F6F9;
  --surface: #FFFFFF;
  --surface-muted: #EDEFF4;
  --ink: #1B1F27;
  --ink-secondary: #5C6470;
  --ink-tertiary: #9AA1AC;
  --line: rgba(30,35,45,0.08);
  --line-strong: rgba(30,35,45,0.14);
  --brand: #FF6A00;
  --brand-strong: #E05200;
  --brand-soft: rgba(255,106,0,0.10);
  --online: #00C48C;
  --live: #FF3B5C;
  --gold: #FFB800;
  --dark: #141821;
  --dark-soft: #1D2430;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 12px rgba(16,20,28,.05);
  --shadow-md: 0 12px 28px rgba(16,20,28,.08);
  --shadow-lg: 0 24px 60px rgba(16,20,28,.12);
  --space-section: 72px;
  --space-section-lg: 96px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
}

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

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* 顶部信息条 */
.topbar {
  background: var(--dark);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: #94A0B3;
  font-size: 12px;
  line-height: 1;
  min-height: 38px;
  display: flex;
  align-items: center;
}

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

.topbar-info {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #A8B1BE;
}

.topbar-info .sep {
  width: 1px;
  height: 12px;
  background: rgba(255,255,255,.16);
}

.topbar-info b {
  color: #fff;
  font-weight: 600;
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #A8B1BE;
  padding: 6px 10px;
  border-radius: 8px;
  transition: .2s ease;
}

.topbar-links a:hover {
  color: #fff;
  background: rgba(255,255,255,.06);
}

.topbar-links .hot-link {
  background: rgba(255,106,0,.16);
  color: #fff;
  font-weight: 500;
}

.topbar-links .hot-link:hover {
  background: var(--brand);
}

/* 主导航 */
.main-header {
  background: var(--surface);
  min-height: 72px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s ease, background .3s ease;
}

body.scrolled .main-header {
  box-shadow: var(--shadow-md);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: nowrap;
}

.logo {
  display: inline-flex;
  align-items: baseline;
  font-size: 22px;
  line-height: 1;
  font-weight: 800;
  white-space: nowrap;
  letter-spacing: -0.02em;
}

.logo-orange {
  color: var(--brand);
}

.logo-ink {
  color: var(--ink);
}

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

.nav-links li {
  position: relative;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  color: var(--ink-secondary);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  white-space: nowrap;
}

.nav-item::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -2px;
  height: 3px;
  border-radius: 4px;
  background: var(--brand);
  opacity: 0;
  transform: scaleX(.4);
  transition: .25s ease;
}

.nav-item:hover::after,
.nav-links li.active .nav-item::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-item:hover {
  color: var(--ink);
  background: rgba(255,106,0,.04);
}

.nav-links li.active .nav-item {
  color: var(--brand);
  background: var(--brand-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: 0 22px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 0;
  cursor: pointer;
  transition: background .2s ease, transform .15s ease, box-shadow .2s ease, border-color .2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 6px 16px rgba(255,106,0,.18);
}

.btn-primary:hover {
  background: var(--brand-strong);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(224,82,0,.25);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-primary:focus-visible {
  outline: 3px solid rgba(255,106,0,.35);
  outline-offset: 3px;
}

.nav-cta {
  margin-left: 10px;
  height: 40px;
  padding: 0 18px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 0;
  cursor: pointer;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  transition: background .2s ease;
}

.nav-toggle:hover {
  background: var(--surface-muted);
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 99px;
  display: block;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 文章首屏视觉区 */
.article-hero {
  position: relative;
  background-color: var(--dark);
  background-image:
    linear-gradient(rgba(15,19,28,.88), rgba(15,19,28,.96)),
    url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 56px 0 40px;
  overflow: hidden;
}

.article-hero::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -120px;
  top: -180px;
  background: rgba(255,106,0,.20);
  filter: blur(70px);
  border-radius: 50%;
  pointer-events: none;
}

.article-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.05'%3E%3Cpath d='M0 19.5H40M19.5 0V40'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.62);
  margin-bottom: 46px;
}

.breadcrumb a {
  color: rgba(255,255,255,.62);
  transition: .2s ease;
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb span {
  color: rgba(255,255,255,.38);
}

.breadcrumb .crumb-current {
  color: rgba(255,255,255,.88);
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.post-meta .pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.10);
  color: rgba(255,255,255,.86);
  font-size: 12px;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  line-height: 1;
}

.post-meta .pill-orange {
  background: rgba(255,106,0,.16);
  border-color: rgba(255,106,0,.3);
  color: #FFC399;
}

.post-meta .pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--online);
  box-shadow: 0 0 0 3px rgba(0,196,140,.20);
}

.post-meta .pill-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 3px rgba(255,59,92,.20);
}

.article-hero-title {
  max-width: 960px;
}

.article-hero-title h1 {
  font-size: 38px;
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 22px;
  text-wrap: balance;
}

/* 正文外层卡片 */
.article-section {
  padding-top: 40px;
  padding-bottom: 80px;
}

.article-layout {
  max-width: 1040px;
  margin-left: auto;
  margin-right: auto;
}

.post-cover {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-top: -88px;
  background: var(--dark-soft);
  border: 1px solid rgba(255,255,255,.16);
  max-height: 620px;
}

.post-cover img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  display: block;
}

.post-cover.no-cover {
  height: 360px;
  background: linear-gradient(135deg, #2C364A, #10141C);
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-cover.no-cover::after {
  content: "九游网页版资讯";
  font-size: 20px;
  color: var(--ink-tertiary);
  font-weight: 600;
  letter-spacing: 4px;
}

.cover-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(20,24,33,.72);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.16);
  color: #fff;
  border-radius: var(--radius-pill);
  padding: 8px 15px;
  font-size: 13px;
}

.cover-tag .cover-live {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 3px rgba(255,59,92,.25);
}

.post-frame {
  background: var(--surface);
  border-radius: var(--radius-lg);
  margin-top: 28px;
  padding: 52px 28px 60px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
}

.article-body {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

.article-body > * + * {
  margin-top: 18px;
}

.article-body p {
  margin-bottom: 1.15em;
  line-height: 1.9;
}

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 38px;
  margin-bottom: 14px;
  scroll-margin-top: 120px;
}

.article-body h2 {
  font-size: 27px;
  padding-left: 16px;
  border-left: 4px solid var(--brand);
  border-radius: 2px;
}

.article-body h3 {
  font-size: 21px;
  margin-top: 28px;
  position: relative;
  padding-left: 14px;
}

.article-body h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 5px;
  height: 5px;
  border-radius: 3px;
  background: var(--brand);
}

.article-body ul {
  margin: 20px 0;
  display: grid;
  gap: 10px;
}

.article-body ul li {
  position: relative;
  padding-left: 26px;
  line-height: 1.85;
}

.article-body ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 3px rgba(255,106,0,.12);
}

.article-body ol {
  margin: 20px 0;
  counter-reset: article-ol;
  display: grid;
  gap: 10px;
}

.article-body ol li {
  position: relative;
  padding-left: 40px;
  line-height: 1.8;
  counter-increment: article-ol;
}

.article-body ol li::before {
  content: counter(article-ol);
  position: absolute;
  left: 0;
  top: 0.3em;
  width: 26px;
  height: 26px;
  background: var(--brand-soft);
  color: var(--brand-strong);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-body blockquote {
  margin: 24px 0;
  padding: 18px 22px;
  background: var(--brand-soft);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius-sm);
  color: var(--ink-secondary);
  font-size: 15px;
}

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

.article-body img {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  width: 100%;
  height: auto;
  margin-top: 26px;
  margin-bottom: 8px;
}

.article-body figure {
  margin: 26px 0 18px;
}

.article-body figcaption {
  font-size: 13px;
  color: var(--ink-tertiary);
  text-align: center;
  margin-top: 10px;
}

.article-body pre {
  background: #151B27;
  color: #DCE3EF;
  border-radius: var(--radius-md);
  padding: 20px 22px;
  overflow: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 24px 0;
  border: 1px solid rgba(255,255,255,.05);
}

.article-body code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  background: rgba(27,31,39,.06);
  border: 1px solid var(--line);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--brand-strong);
}

.article-body pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: #DCE3EF;
}

.article-body a {
  color: var(--brand-strong);
  border-bottom: 1px solid rgba(255,106,0,.3);
}

.article-body a:hover {
  color: var(--brand);
  border-color: var(--brand);
}

.article-body hr {
  border: 0;
  height: 1px;
  background: var(--line-strong);
  margin: 38px 0;
}

.article-bottom {
  max-width: 720px;
  margin: 40px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 20px;
  background: var(--surface-muted);
  color: var(--ink-secondary);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  transition: .2s ease;
}

.back-btn::before {
  content: "←";
  font-weight: 500;
}

.back-btn:hover {
  background: var(--brand-soft);
  color: var(--brand);
  transform: translateX(-3px);
}

.article-note {
  font-size: 13px;
  color: var(--ink-tertiary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.article-note::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--online);
}

/* 内容未找到 */
.missing-section {
  background: var(--bg);
  padding: 90px 0 120px;
  min-height: 58vh;
}

.missing-inner {
  max-width: 720px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 70px 30px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.missing-icon {
  width: 74px;
  height: 74px;
  margin: 0 auto 24px;
  border-radius: 24px;
  background: var(--surface-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--brand);
}

.missing-inner h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 10px;
}

.missing-inner p {
  color: var(--ink-tertiary);
  font-size: 15px;
  margin-bottom: 28px;
}

/* 相关推荐 */
.related-section {
  background: var(--surface-muted);
  padding: var(--space-section) 0;
}

.related-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.section-label::before {
  content: "";
  width: 20px;
  height: 3px;
  border-radius: 4px;
  background: var(--brand);
}

.section-title {
  font-size: 30px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--ink-tertiary);
  font-size: 14px;
  margin-top: 8px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255,106,0,.28);
}

.related-thumb {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #D5DBE4;
}

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

.related-card:hover .related-thumb img {
  transform: scale(1.04);
}

.related-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,19,28,.16), transparent 45%);
}

.related-tag {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 1;
  background: rgba(255,106,0,.92);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
}

.related-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.related-body h3 {
  font-size: 16px;
  line-height: 1.55;
  font-weight: 700;
  color: var(--ink);
  min-height: 48px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card:hover .related-body h3 {
  color: var(--brand-strong);
}

.related-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--ink-tertiary);
}

.related-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.related-meta span::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--brand);
  border-radius: 50%;
  opacity: .5;
}

/* CTA 条 */
.article-cta-section {
  padding: 0;
}

.article-cta {
  background: var(--dark);
  color: #fff;
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.article-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,106,0,.10), rgba(255,106,0,.02));
  pointer-events: none;
}

.article-cta::after {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  right: -140px;
  top: -100px;
  border-radius: 50%;
  background: rgba(255,106,0,.24);
  filter: blur(90px);
  pointer-events: none;
}

.article-cta .container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  flex-wrap: wrap;
}

.cta-content {
  flex: 1;
  min-width: 300px;
}

.cta-content h2 {
  font-size: 28px;
  line-height: 1.35;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-content p {
  color: rgba(255,255,255,.62);
  font-size: 15px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.24);
  background: rgba(255,255,255,.04);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  transition: .2s ease;
}

.btn-outline-light:hover {
  border-color: var(--brand);
  background: rgba(255,106,0,.14);
  color: var(--brand);
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: #B9C1CD;
  padding-top: 66px;
  padding-bottom: 0;
  border-top: 3px solid var(--brand);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 18px;
}

.footer-brand .logo .logo-ink {
  color: #fff;
}

.footer-desc {
  color: rgba(255,255,255,.55);
  font-size: 14px;
  line-height: 1.85;
  max-width: 300px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  position: relative;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 3px;
  background: var(--brand);
  border-radius: 3px;
  left: 0;
  bottom: -2px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,.62);
  font-size: 14px;
  line-height: 1.6;
  transition: .2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a::before {
  content: "";
  width: 5px;
  height: 5px;
  background: rgba(255,255,255,.24);
  border-radius: 50%;
  transition: .2s ease;
}

.footer-links a:hover {
  color: var(--brand);
  transform: translateX(4px);
}

.footer-links a:hover::before {
  background: var(--brand);
}

.footer-info-line {
  display: flex;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
  margin-bottom: 12px;
}

.footer-info-line span:first-child {
  color: rgba(255,255,255,.85);
  font-weight: 500;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.42);
}

.footer-bottom .copyright {
  color: rgba(255,255,255,.6);
}

/* Responsive */
@media (max-width: 1199px) {
  .nav-item {
    padding: 0 10px;
    font-size: 14px;
  }

  .nav-cta {
    padding: 0 14px;
    margin-left: 6px;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

@media (max-width: 991px) {
  .related-grid {
    grid-template-columns: 1fr 1fr;
  }

  .related-body h3 {
    min-height: auto;
  }

  .article-hero-title h1 {
    font-size: 32px;
  }

  .post-cover img {
    height: 360px;
  }
}

@media (max-width: 767px) {
  :root {
    --space-section: 52px;
    --space-section-lg: 66px;
  }

  .topbar-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .topbar-info {
    gap: 6px;
    font-size: 11px;
  }

  .topbar-info .sep,
  .topbar-info .hide-sm {
    display: none;
  }

  .topbar-links {
    gap: 0;
  }

  .topbar-links a {
    padding: 6px 8px;
  }

  .topbar-links a span.hide-sm {
    display: none;
  }

  .nav-inner {
    min-height: 64px;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .main-header {
    min-height: 64px;
  }

  .logo {
    font-size: 19px;
  }

  .nav-links {
    display: none;
    order: 3;
    width: 100%;
    margin-left: 0;
    border-top: 1px solid var(--line);
    background: var(--surface);
    flex-direction: column;
    align-items: stretch;
    padding: 14px 0 18px;
    gap: 4px;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-lg);
  }

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

  .nav-links li {
    width: 100%;
  }

  .nav-item,
  .nav-links li.active .nav-item {
    width: 100%;
    height: 46px;
    border-radius: var(--radius-sm);
    justify-content: flex-start;
    padding-left: 18px;
  }

  .nav-item::after {
    display: none;
  }

  .nav-cta {
    margin: 10px 12px 0;
    width: calc(100% - 24px);
    height: 44px;
  }

  .article-hero {
    padding: 36px 0 30px;
  }

  .breadcrumb {
    margin-bottom: 26px;
  }

  .article-hero-title h1 {
    font-size: 26px;
  }

  .article-section {
    padding-top: 24px;
    padding-bottom: 48px;
  }

  .post-cover {
    margin-top: -56px;
    border-radius: var(--radius-md);
  }

  .post-cover img {
    height: 240px;
  }

  .post-frame {
    padding: 34px 18px 38px;
  }

  .article-body {
    font-size: 15px;
    line-height: 1.85;
  }

  .article-body h2 {
    font-size: 22px;
  }

  .article-body h3 {
    font-size: 18px;
  }

  .article-bottom {
    margin-top: 22px;
  }

  .related-section {
    padding: 40px 0;
  }

  .section-title {
    font-size: 24px;
  }

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

  .article-cta {
    padding: 46px 0;
  }

  .cta-content h2 {
    font-size: 22px;
  }

  .cta-buttons .btn,
  .cta-buttons .btn-outline-light {
    width: 100%;
  }

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

  .footer-desc {
    max-width: none;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .topbar-links a:nth-child(2) {
    display: none;
  }

  .article-hero-title h1 {
    font-size: 22px;
  }

  .post-meta .pill {
    padding: 6px 10px;
    font-size: 11px;
  }

  .breadcrumb {
    font-size: 12px;
  }

  .breadcrumb .crumb-current {
    max-width: 160px;
  }

  .post-frame {
    padding-left: 14px;
    padding-right: 14px;
  }

  .article-note {
    width: 100%;
  }

  .back-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 768px) {
  .nav-links {
    display: flex !important;
  }
}

:focus-visible {
  outline: 3px solid rgba(255,106,0,.35);
  outline-offset: 2px;
}

/* roulang page: category1 */
:root{
  --bg:#F4F6F9;
  --surface:#FFFFFF;
  --surface-muted:#EDEFF4;
  --ink:#1B1F27;
  --ink-secondary:#5C6470;
  --ink-tertiary:#9AA1AC;
  --line:rgba(30,35,45,0.08);
  --brand:#FF6A00;
  --brand-strong:#E05200;
  --brand-soft:rgba(255,106,0,0.10);
  --online:#00C48C;
  --live:#FF3B5C;
  --gold:#FFB800;
  --dark:#141821;
  --dark-soft:#1D2430;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-sm:0 4px 12px rgba(16,20,28,.05);
  --shadow-md:0 12px 28px rgba(16,20,28,.08);
  --shadow-lg:0 24px 60px rgba(16,20,28,.12);
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","HarmonyOS Sans SC",system-ui,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
ul,ol{list-style:none}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
::selection{background:rgba(255,106,0,.18)}

/* 顶部信息条 */
.topbar{
  background:var(--dark);
  color:#94A0B3;
  font-size:12px;
  min-height:38px;
  display:flex;
  align-items:center;
}
.topbar-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
}
.topbar-left,.topbar-right{
  display:flex;
  align-items:center;
  gap:14px;
  white-space:nowrap;
}
.topbar-domain{
  color:#fff;
  font-weight:600;
}
.topbar-sep{
  width:1px;
  height:12px;
  background:rgba(255,255,255,.18);
}
.topbar a:hover{
  color:var(--brand);
}
.topbar-enter{
  color:var(--brand);
  font-weight:600;
  padding:2px 8px;
  border:1px solid rgba(255,106,0,.28);
  border-radius:6px;
}
.topbar-enter:hover{border-color:var(--brand)}

/* 主导航 */
.main-header{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:var(--shadow-sm);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:baseline;
  font-weight:800;
  font-size:24px;
  letter-spacing:-.5px;
  white-space:nowrap;
}
.logo-orange{
  color:var(--brand);
}
.logo-ink{
  color:var(--ink);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-links li{
  position:relative;
}
.nav-item{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:72px;
  padding:0 13px;
  font-size:16px;
  font-weight:600;
  color:var(--ink-secondary);
  position:relative;
  border-bottom:3px solid transparent;
  transition:color .2s ease;
}
.nav-item:hover{
  color:var(--brand);
  border-bottom-color:var(--brand);
}
.nav-links li.active .nav-item{
  color:var(--ink);
  border-bottom-color:var(--brand);
}
.nav-item::before{
  content:"";
  width:0;
  height:4px;
  border-radius:var(--radius-pill);
  background:var(--brand);
  position:absolute;
  bottom:-8px;
  left:50%;
  transform:translateX(-50%);
  opacity:0;
  transition:opacity .2s ease,width .25s ease;
}
.nav-item:hover::before{
  width:18px;
  opacity:.8;
}
.nav-cta{
  margin-left:10px;
  height:44px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:none;
  font-size:16px;
  font-weight:700;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  cursor:pointer;
}
.nav-toggle span{
  width:20px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle.open span:nth-child(1){
  transform:translateY(6px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2){
  opacity:0;
}
.nav-toggle.open span:nth-child(3){
  transform:translateY(-6px) rotate(-45deg);
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-md);
  padding:14px 28px;
  font-size:16px;
  font-weight:700;
  line-height:1.2;
  border:none;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 8px 22px rgba(255,106,0,.26);
}
.btn-primary:hover{
  background:var(--brand-strong);
  transform:translateY(-1px);
  box-shadow:0 12px 30px rgba(224,82,0,.3);
}
.btn-primary:active{
  transform:translateY(1px);
}
.btn-outline{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.5);
}
.btn-outline:hover{
  border-color:#fff;
  background:rgba(255,255,255,.1);
  transform:translateY(-1px);
}
.btn-outline-dark{
  background:transparent;
  color:var(--ink);
  border:1px solid rgba(28,32,40,.18);
}
.btn-outline-dark:hover{
  border-color:var(--brand);
  color:var(--brand);
  background:var(--brand-soft);
}
.btn-ghost-light{
  background:transparent;
  border:1px solid rgba(255,106,0,.4);
  color:var(--brand);
  padding:10px 18px;
}
.btn:focus-visible{
  outline:none;
  box-shadow:0 0 0 4px rgba(255,106,0,.32);
}
.btn-primary:focus-visible{
  box-shadow:0 0 0 4px rgba(255,106,0,.35);
}

/* ====== 分类页 Hero ====== */
.topic-hero{
  position:relative;
  background:
    radial-gradient(circle at 82% 22%,rgba(255,106,0,.16),transparent 34%),
    radial-gradient(circle at 10% 92%,rgba(255,80,110,.12),transparent 28%),
    linear-gradient(135deg,#10141C 0%,#1D2430 100%);
  color:#fff;
  overflow:hidden;
}
.topic-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.topic-hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:44px;
  background:var(--bg);
  clip-path:polygon(0 100%,100% 100%,100% 100%,0 0);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
  padding-top:88px;
  padding-bottom:104px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  color:#dbe2ec;
  font-size:13px;
  font-weight:600;
  padding:7px 14px;
  border-radius:var(--radius-pill);
  margin-bottom:18px;
}
.hero-badge-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--live);
  box-shadow:0 0 0 3px rgba(255,59,92,.24);
}
.topic-hero h1{
  font-size:46px;
  line-height:1.14;
  font-weight:800;
  letter-spacing:-1px;
  margin-bottom:16px;
}
.topic-hero h1 .hero-tag{
  color:var(--brand);
  font-weight:800;
}
.hero-lead{
  font-size:17px;
  line-height:1.9;
  color:#c5cddb;
  max-width:520px;
  margin-bottom:24px;
}
.hero-points{
  margin:0 0 28px;
  display:grid;
  gap:12px;
}
.hero-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  color:#d8dee9;
}
.hero-points li svg{
  width:18px;
  height:18px;
  color:var(--brand);
  flex:0 0 auto;
  margin-top:4px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-mini-note{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.mini-badge{
  font-size:13px;
  color:#aeb8c7;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  padding:5px 12px;
  border-radius:var(--radius-pill);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.mini-badge i{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--online);
  display:inline-block;
}
.hero-stage{
  position:relative;
}
.hero-cover{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 28px 70px rgba(0,0,0,.46);
  border:1px solid rgba(255,255,255,.14);
  transform:rotate(1deg);
}
.hero-cover img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.cover-shade{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(8,10,14,.72));
}
.cover-top-chips{
  position:absolute;
  left:14px;
  top:14px;
  display:flex;
  gap:8px;
}
.pill-chip{
  display:inline-flex;
  gap:6px;
  align-items:center;
  font-size:12px;
  color:#fff;
  background:rgba(20,23,32,.68);
  border:1px solid rgba(255,255,255,.24);
  padding:5px 11px;
  border-radius:999px;
  backdrop-filter:blur(6px);
}
.pill-chip.red{
  background:rgba(255,59,92,.82);
  border-color:transparent;
  font-weight:700;
}
.hero-stage-float{
  position:absolute;
  right:-18px;
  bottom:26px;
  background:#fff;
  color:var(--ink);
  border-radius:16px;
  box-shadow:var(--shadow-lg);
  padding:16px 18px;
  width:190px;
}
.float-label{
  font-size:13px;
  color:var(--ink-secondary);
}
.float-value{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:24px;
  font-weight:800;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  margin-top:3px;
}
.float-value i{
  width:8px;
  height:8px;
  border-radius:999px;
  background:var(--online);
}
.float-sub{
  font-size:13px;
  color:var(--ink-tertiary);
  margin-top:4px;
}

/* ====== 双列列表区 ====== */
.overview-sec{
  padding:92px 0 72px;
  background:var(--bg);
}
.section-head{
  max-width:760px;
  margin-bottom:44px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  text-transform:none;
  margin-bottom:14px;
}
.kicker::before{
  content:"";
  width:20px;
  height:3px;
  border-radius:4px;
  background:var(--brand);
}
.section-title{
  font-size:32px;
  font-weight:800;
  line-height:1.28;
  letter-spacing:-.5px;
  margin-bottom:14px;
}
.section-desc{
  color:var(--ink-secondary);
  font-size:16px;
  line-height:1.85;
}
.catalog-grid{
  display:grid;
  grid-template-columns:1fr 360px;
  gap:28px;
}
.card-stack{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.module-card{
  background:var(--surface);
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;
  flex-direction:column;
}
.module-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(255,106,0,.25);
}
.module-thumb{
  aspect-ratio:16/9;
  width:100%;
  overflow:hidden;
  position:relative;
}
.module-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.module-card:hover .module-thumb img{
  transform:scale(1.045);
}
.thumb-cat{
  position:absolute;
  left:12px;
  top:12px;
  background:rgba(20,24,31,.7);
  color:#fff;
  font-size:12px;
  padding:4px 10px;
  border-radius:999px;
  backdrop-filter:blur(6px);
}
.module-content{
  padding:18px 20px 20px;
  display:flex;
  flex-direction:column;
  gap:8px;
  flex:1;
}
.module-content h3{
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  line-height:1.4;
}
.module-content p{
  font-size:14px;
  color:var(--ink-secondary);
  line-height:1.7;
  margin-bottom:6px;
}
.module-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  color:var(--ink-tertiary);
  font-size:13px;
}
.module-meta a{
  color:var(--brand);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.module-meta a:hover{
  color:var(--brand-strong);
}
.side-schedule{
  background:var(--surface);
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  padding:26px 22px;
  box-shadow:var(--shadow-sm);
}
.side-title{
  font-size:18px;
  font-weight:800;
  margin-bottom:6px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.side-title span{
  font-size:12px;
  font-weight:500;
  color:var(--ink-tertiary);
}
.side-desc{
  font-size:14px;
  color:var(--ink-secondary);
  margin-bottom:20px;
}
.schedule-list{
  position:relative;
}
.schedule-list::before{
  content:"";
  position:absolute;
  left:5px;
  top:12px;
  bottom:12px;
  width:2px;
  background:var(--surface-muted);
}
.schedule-list li{
  position:relative;
  padding-left:24px;
  padding-bottom:18px;
}
.schedule-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:12px;
  height:12px;
  border-radius:50%;
  border:3px solid #fff;
  background:var(--brand);
  box-shadow:0 0 0 2px rgba(255,106,0,.18),0 0 0 4px var(--surface);
  z-index:1;
}
.schedule-list li.done::before{
  background:var(--online);
  box-shadow:0 0 0 2px rgba(0,196,140,.18),0 0 0 4px var(--surface);
}
.schedule-list li.soon::before{
  background:var(--gold);
  box-shadow:0 0 0 2px rgba(255,184,0,.18),0 0 0 4px var(--surface);
}
.schedule-time{
  font-size:14px;
  font-weight:800;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.schedule-text{
  font-size:14px;
  color:var(--ink-secondary);
  line-height:1.55;
}
.schedule-tag{
  display:inline-block;
  font-size:12px;
  margin-top:4px;
  color:var(--brand-strong);
  background:var(--brand-soft);
  padding:1px 8px;
  border-radius:4px;
}

/* ====== 差异优势区 ====== */
.feature-sec{
  padding:84px 0;
  background:var(--surface-muted);
}
.feature-stack{
  display:flex;
  flex-direction:column;
  gap:38px;
}
.feature-row{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:24px;
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:stretch;
  transition:box-shadow .25s ease,transform .25s ease;
}
.feature-row:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.feature-media{
  position:relative;
  min-height:280px;
  overflow:hidden;
}
.feature-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.feature-media .media-tag{
  position:absolute;
  left:16px;
  bottom:16px;
  background:rgba(255,106,0,.92);
  color:#fff;
  padding:5px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
}
.feature-content{
  padding:38px 42px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.feature-num{
  color:rgba(255,106,0,.14);
  font-size:44px;
  font-weight:800;
  line-height:1;
  margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.feature-content h3{
  font-size:24px;
  font-weight:800;
  margin-bottom:12px;
  line-height:1.35;
}
.feature-content p{
  color:var(--ink-secondary);
  font-size:15px;
  line-height:1.8;
  margin-bottom:18px;
}
.feature-list{
  display:grid;
  gap:10px;
}
.feature-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--ink);
}
.feature-list li::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:99px;
  background:var(--brand);
  flex:0 0 auto;
  margin-top:10px;
}
.feature-row.reverse .feature-media{
  order:2;
}
.feature-row.reverse .feature-content{
  order:1;
}

/* ====== 路径流程 ====== */
.path-sec{
  padding:92px 0;
  background:#fff;
}
.path-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.step-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px 25px 28px;
  position:relative;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.step-card::before{
  content:"0" counter(step);
  counter-increment:step;
  position:absolute;
  right:20px;
  top:18px;
  font-size:34px;
  font-weight:800;
  line-height:1;
  color:rgba(255,106,0,.18);
  font-variant-numeric:tabular-nums;
}
.step-card:hover{
  border-color:rgba(255,106,0,.3);
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
}
.step-ico{
  width:48px;
  height:48px;
  border-radius:14px;
  background:var(--brand-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:20px;
}
.step-ico svg{
  width:24px;
  height:24px;
  color:var(--brand);
}
.step-card h3{
  font-size:17px;
  font-weight:800;
  margin-bottom:10px;
}
.step-card p{
  font-size:14px;
  color:var(--ink-secondary);
}

/* ====== FAQ ====== */
.faq-sec{
  padding:92px 0;
  background:var(--surface-muted);
}
.faq-wrap{
  max-width:840px;
  margin:0 auto;
  display:grid;
  gap:14px;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  padding:0 26px;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item.active{
  border-color:rgba(255,106,0,.25);
  box-shadow:var(--shadow-sm);
}
.faq-q{
  width:100%;
  border:none;
  background:transparent;
  padding:20px 0;
  display:flex;
  align-items:center;
  gap:16px;
  cursor:pointer;
  text-align:left;
  font-size:17px;
  font-weight:650;
  color:var(--ink);
  line-height:1.5;
}
.faq-q::after{
  content:"";
  width:16px;
  height:16px;
  margin-left:auto;
  flex:0 0 auto;
  border:2px solid var(--brand);
  border-radius:50%;
  position:relative;
  transition:background .2s ease,transform .25s ease;
}
.faq-q::before{
  content:"";
  width:8px;
  height:2px;
  background:var(--brand);
  flex:0 0 auto;
}
.faq-q::after{
  content:"";
  width:16px;
  height:16px;
  background:var(--brand-soft);
  border-color:var(--brand);
  border-radius:50%;
  position:relative;
  transition:background .2s ease,transform .25s ease;
}
.faq-q::after{
  box-shadow:inset 0 0 0 2px #fff;
  background:var(--brand);
}
.faq-item.active .faq-q::after{
  transform:rotate(45deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  color:var(--ink-secondary);
  font-size:15px;
  line-height:1.85;
}
.faq-a-inner{
  padding-bottom:22px;
}

/* ====== CTA ====== */
.cta-strip{
  position:relative;
  background:linear-gradient(115deg,rgba(20,24,33,.94),rgba(29,36,48,.88)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  padding:88px 0;
  color:#fff;
  text-align:center;
}
.cta-strip::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 78% 20%,rgba(255,106,0,.26),transparent 32%);
  pointer-events:none;
}
.cta-content{
  position:relative;
  z-index:2;
  max-width:740px;
  margin:0 auto;
}
.cta-title{
  font-size:34px;
  line-height:1.25;
  font-weight:800;
  margin-bottom:16px;
}
.cta-title em{
  font-style:normal;
  color:var(--brand);
}
.cta-text{
  color:#C2CAD6;
  font-size:16px;
  line-height:1.8;
  margin-bottom:30px;
}
.cta-actions{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap;
}

/* ====== Footer ====== */
.site-footer{
  background:var(--dark);
  color:#a7b0be;
  padding-top:64px;
  padding-bottom:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2.2fr 1.2fr 1.2fr 1.4fr;
  gap:46px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo{
  font-size:22px;
}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:#8892a2;
  margin-top:16px;
  max-width:340px;
}
.footer-col h4{
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  color:#8892a2;
  font-size:14px;
  transition:color .2s ease;
}
.footer-links a:hover{
  color:var(--brand);
}
.footer-info-line{
  font-size:13px;
  line-height:1.8;
  color:#8892a2;
  margin-bottom:10px;
  display:flex;
  gap:8px;
  align-items:flex-start;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 0;
  color:#687084;
  font-size:13px;
}
.footer-bottom a{
  color:#8892a2;
}
.copyright{
  color:#8892a2;
}

/* ====== Responsive ====== */
@media (max-width:1199px){
  .topic-hero h1{font-size:38px}
  .feature-content{padding:30px 30px}
  .path-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .nav-links{
    display:none;
    position:absolute;
    top:72px;
    left:0;
    right:0;
    background:var(--surface);
    box-shadow:var(--shadow-md);
    border-bottom:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    padding:12px 20px 20px;
    gap:4px;
  }
  .nav-links.open{
    display:flex;
  }
  .nav-links li{
    border-bottom:1px solid var(--surface-muted);
  }
  .nav-item,.nav-links li.active .nav-item{
    border-bottom:none;
    width:100%;
    height:auto;
    padding:13px 10px;
    justify-content:flex-start;
    border-radius:10px;
  }
  .nav-links li.active .nav-item{
    background:var(--brand-soft);
    color:var(--brand-strong);
  }
  .nav-item:hover{
    background:var(--surface-muted);
    border-bottom:none;
  }
  .nav-cta{
    margin:14px 0 0;
    justify-content:center;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .hero-inner{
    grid-template-columns:1fr;
    gap:42px;
    padding-top:70px;
    padding-bottom:92px;
  }
  .topic-hero h1{
    font-size:36px;
  }
  .catalog-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:36px;
  }
  .feature-row{
    grid-template-columns:1fr;
  }
  .feature-row.reverse .feature-media{
    order:1;
  }
  .feature-row.reverse .feature-content{
    order:2;
  }
  .feature-media{
    min-height:240px;
  }
}
@media (max-width:767px){
  .container{
    padding-left:18px;
    padding-right:18px;
  }
  .topbar-inner{
    min-height:36px;
  }
  .topbar-right .hide-mobile{
    display:none;
  }
  .topbar-sep:nth-of-type(2),.topbar-sep:nth-of-type(3){
    display:none;
  }
  .logo{
    font-size:20px;
  }
  .nav-inner{
    height:66px;
  }
  .nav-links{
    top:66px;
  }
  .topic-hero{
    padding-top:0;
  }
  .hero-inner{
    padding-top:54px;
    padding-bottom:86px;
  }
  .topic-hero h1{
    font-size:32px;
    line-height:1.25;
  }
  .hero-lead{
    font-size:15px;
  }
  .hero-stage-float{
    right:6px;
    bottom:-0px;
  }
  .card-stack{
    grid-template-columns:1fr;
  }
  .overview-sec,.feature-sec,.faq-sec{
    padding:64px 0;
  }
  .feature-content{
    padding:28px 24px;
  }
  .path-grid{
    grid-template-columns:1fr;
    gap:16px;
  }
  .section-title{
    font-size:28px;
  }
  .cta-title{
    font-size:28px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:30px;
  }
  .footer-bottom{
    flex-direction:column;
  }
  .cta-actions .btn{
    width:100%;
  }
}
@media (max-width:520px){
  .mini-badge{
    font-size:12px;
    padding:4px 9px;
  }
  .topic-hero h1{
    font-size:29px;
  }
  .btn{
    widht:auto;
    padding:13px 22px;
    font-size:15px;
  }
  .schedule-text{
    font-size:13px;
  }
}

/* roulang page: category2 */
:root {
  --bg: #F4F6F9;
  --surface: #FFFFFF;
  --surface-muted: #EDEFF4;
  --ink: #1B1F27;
  --ink-secondary: #5C6470;
  --ink-tertiary: #9AA1AC;
  --line: rgba(30, 35, 45, 0.08);
  --brand: #FF6A00;
  --brand-strong: #E05200;
  --brand-soft: rgba(255, 106, 0, 0.10);
  --online: #00C48C;
  --live: #FF3B5C;
  --gold: #FFB800;
  --dark: #12161F;
  --dark-soft: #1D2430;
  --dark-line: rgba(255, 255, 255, 0.10);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 12px rgba(16, 20, 28, 0.05);
  --shadow-md: 0 12px 28px rgba(16, 20, 28, 0.08);
  --shadow-lg: 0 24px 60px rgba(16, 20, 28, 0.12);
  --container: 1200px;
  --transition: all .25s ease;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4, p { margin: 0; }
:focus-visible { outline: 3px solid rgba(255, 106, 0, .35); outline-offset: 2px; border-radius: 6px; }

.container { max-width: var(--container); margin: 0 auto; padding-left: 24px; padding-right: 24px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--brand);
  color: #FFFFFF;
  box-shadow: 0 8px 20px rgba(255, 106, 0, .22);
}
.btn-primary:hover {
  background: var(--brand-strong);
  box-shadow: 0 12px 26px rgba(255, 106, 0, .28);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .32);
  color: #FFFFFF;
}
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); background: rgba(255, 106, 0, .06); }
.btn-outline {
  background: transparent;
  border: 1px solid rgba(30, 35, 45, .16);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }

/* Header */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .97);
  border-bottom: 1px solid rgba(30, 35, 45, .06);
  box-shadow: 0 6px 20px rgba(16, 20, 28, .03);
}
.nav-inner {
  display: flex;
  align-items: center;
  min-height: 74px;
  justify-content: space-between;
  gap: 18px;
  position: relative;
}
.logo {
  display: inline-flex;
  align-items: center;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  flex-shrink: 0;
}
.logo-orange { color: var(--brand); }
.logo-ink { color: var(--ink); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}
.nav-links li { display: inline-flex; }
.nav-links .nav-item {
  display: inline-flex;
  align-items: center;
  position: relative;
  padding: 10px 15px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  border-radius: 10px;
  transition: var(--transition);
}
.nav-links .nav-item::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 4px;
  height: 3px;
  background: var(--brand);
  border-radius: 4px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .22s ease;
}
.nav-links a.nav-item:hover { color: var(--brand); }
.nav-links a.nav-item:hover::after { transform: scaleX(1); }
.nav-links li.active > .nav-item {
  background: var(--brand-soft);
  color: var(--brand);
}
.nav-links li.active > .nav-item::after { transform: scaleX(1); background: var(--brand); }
.nav-cta {
  margin-left: 10px;
  padding: 11px 20px;
  min-width: 108px;
  justify-content: center;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: 0;
  padding: 13px 12px;
  border-radius: 10px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  border-radius: 4px;
  background: var(--ink);
  transition: var(--transition);
}
.nav-toggle:hover span { background: var(--brand); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.rank-hero {
  position: relative;
  background-color: var(--dark);
  color: #FFFFFF;
  background-image: linear-gradient(102deg, rgba(13, 17, 26, .97) 20%, rgba(22, 28, 40, .82) 58%, rgba(24, 31, 44, .55) 100%), url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center 42%;
  overflow: hidden;
}
.rank-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, .8), transparent 70%);
}
.rank-hero::after {
  content: "";
  position: absolute;
  right: -160px;
  top: -180px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(255, 106, 0, .30) 0%, rgba(255, 106, 0, 0) 70%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
  align-items: center;
  gap: 56px;
  padding-top: 104px;
  padding-bottom: 116px;
}
.rank-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
  margin-bottom: 26px;
}
.rank-breadcrumb a { color: rgba(255, 255, 255, .82); transition: var(--transition); }
.rank-breadcrumb a:hover { color: var(--brand); }
.rank-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-pill);
  color: rgba(255, 255, 255, .86);
  font-size: 14px;
  padding: 7px 14px;
  margin-bottom: 20px;
  letter-spacing: .3px;
}
.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--online);
  box-shadow: 0 0 0 0 rgba(0, 196, 140, .4);
  animation: pulse-dot 1.8s infinite;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(0, 196, 140, .45); }
  70% { box-shadow: 0 0 0 9px rgba(0, 196, 140, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 196, 140, 0); }
}
.rank-hero h1 {
  color: #FFFFFF;
  font-size: 43px;
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -1px;
  max-width: 720px;
  margin-bottom: 22px;
}
.text-orange { color: var(--brand); }
.hero-desc {
  color: rgba(255, 255, 255, .72);
  font-size: 16px;
  line-height: 1.9;
  max-width: 640px;
  margin-bottom: 30px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 38px; }
.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
}
.hero-facts li { display: flex; align-items: center; gap: 8px; }
.hero-facts li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--brand);
  transform: rotate(45deg);
}
.hero-overview {
  position: relative;
  z-index: 3;
  background: rgba(255, 255, 255, .055);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 24px 44px rgba(0, 0, 0, .18);
}
.hero-overview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, .10);
  padding-bottom: 16px;
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, .9);
}
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 196, 140, .12);
  color: #67E3B8;
  border: 1px solid rgba(0, 196, 140, .28);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
}
.status-chip .live-dot { width: 6px; height: 6px; background: var(--online); }
.hero-channel-list { display: flex; flex-direction: column; gap: 14px; }
.hero-channel-list li {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 8px 0;
}
.channel-symbol {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255, 106, 0, .14);
  border: 1px solid rgba(255, 106, 0, .2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
}
.channel-txt strong { display: block; color: #FFFFFF; font-size: 15px; font-weight: 700; margin-bottom: 3px; }
.channel-txt p { color: rgba(255, 255, 255, .58); font-size: 13px; line-height: 1.6; }
.hero-overview .btn { width: 100%; margin-top: 22px; }

/* Section headings */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 42px;
}
.section-rule {
  width: 30px;
  height: 5px;
  border-radius: 4px;
  background: var(--brand);
  margin-bottom: 15px;
}
.eyebrow {
  display: block;
  color: var(--brand);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1.6px;
  margin-bottom: 8px;
}
.section-head h2,
.section-title {
  font-size: 34px;
  line-height: 1.28;
  letter-spacing: -0.5px;
  font-weight: 800;
  color: var(--ink);
}
.section-sub {
  max-width: 560px;
  color: var(--ink-secondary);
  font-size: 15px;
}
@media (max-width: 799px) {
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* Overview / feature */
.rank-overview { padding: 92px 0 82px; background: var(--bg); }
.feature-card {
  overflow: hidden;
  background: var(--dark-soft);
  border-radius: var(--radius-lg);
  color: #FFFFFF;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  margin-bottom: 42px;
  border: 1px solid rgba(255, 255, 255, .05);
}
.feature-med {
  position: relative;
  min-height: 410px;
}
.feature-med img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.media-note {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background: rgba(10, 13, 20, .74);
  border: 1px solid rgba(255, 255, 255, .18);
  backdrop-filter: blur(8px);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 11px 16px;
  font-size: 13px;
  line-height: 1.5;
}
.media-note strong { color: var(--gold); font-weight: 700; }
.feature-body { padding: 46px 50px 44px; }
.feature-body .mini-badge {
  display: inline-flex;
  background: rgba(255, 106, 0, .14);
  border: 1px solid rgba(255, 106, 0, .2);
  color: #FFA266;
  font-size: 13px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}
.feature-body h3 { font-size: 28px; line-height: 1.4; letter-spacing: -0.3px; margin-bottom: 17px; color: #fff; }
.feature-body > p { color: rgba(255, 255, 255, .66); font-size: 15px; margin-bottom: 30px; }
.signal-wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.signal-item {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .11);
  border-radius: var(--radius-md);
  padding: 18px 15px;
  transition: var(--transition);
}
.signal-item:hover { background: rgba(255, 106, 0, .12); border-color: rgba(255, 106, 0, .38); transform: translateY(-3px); }
.signal-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 10px;
}
.signal-item strong { display: block; color: #fff; font-size: 15px; margin-bottom: 6px; }
.signal-item span { color: rgba(255, 255, 255, .52); font-size: 13px; line-height: 1.55; display: block; }
.mini-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.mini-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(30, 35, 45, .06);
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.mini-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(255, 106, 0, .22); }
.mini-card-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--surface-muted); }
.mini-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.mini-card:hover .mini-card-media img { transform: scale(1.04); }
.mini-card-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(255, 106, 0, .94);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 5px 11px;
  line-height: 1.3;
  box-shadow: 0 6px 14px rgba(255, 106, 0, .22);
}
.mini-card-body { padding: 22px 20px 24px; }
.mini-card-body h4 { font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 9px; }
.mini-card-body p { color: var(--ink-secondary); font-size: 14px; line-height: 1.7; }
.mini-card-link { display: inline-flex; align-items: center; gap: 5px; margin-top: 14px; font-size: 13px; font-weight: 700; color: var(--brand); transition: var(--transition); }
.mini-card-link::after { content: "→"; transform: translateX(0); transition: var(--transition); }
.mini-card-link:hover::after { transform: translateX(4px); }

/* method */
.rank-method { padding: 92px 0; background: var(--surface-muted); }
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: method; }
.method-item {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid transparent;
  transition: var(--transition);
  position: relative;
}
.method-item:hover { border-top-color: var(--brand); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.method-index {
  font-size: 34px;
  font-weight: 800;
  color: var(--brand-soft);
  line-height: 1;
  margin-bottom: 16px;
  font-family: Georgia, serif;
  letter-spacing: 1px;
}
.method-item h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.method-item p { color: var(--ink-secondary); font-size: 15px; }
.method-point {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}
.method-point span { background: var(--brand-soft); color: var(--brand-strong); font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: var(--radius-pill); }

/* Scenario */
.rank-scenario { padding: 92px 0; background: var(--surface); }
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 100px;
  align-items: center;
}
.scenario-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
}
.scenario-media img { width: 100%; height: 100%; object-fit: cover; }
.scenario-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 22, 31, .28), transparent 55%);
}
.scenario-media-tag {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 2;
  background: rgba(255, 255, 255, .94);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 7px 14px;
}
.scenario-list { display: flex; flex-direction: column; }
.scenario-list li {
  display: flex;
  gap: 22px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}
.scenario-list li:first-child { padding-top: 0; }
.time-block { flex-shrink: 0; min-width: 88px; }
.time-block b { display: block; color: var(--ink); font-size: 20px; font-weight: 800; line-height: 1.2; font-variant-numeric: tabular-nums; }
.time-block span { color: var(--ink-tertiary); font-size: 12px; }
.scenario-list-content { padding-right: 10px; }
.scenario-list-content h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.scenario-list-content p { color: var(--ink-secondary); font-size: 15px; }
.scenario-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 600;
}
.scenario-note::before { content: "↗"; font-weight: 800; }

/* FAQ */
.faq-section { padding: 92px 0 88px; background: var(--bg); }
.faq-head { text-align: center; max-width: 680px; margin: 0 auto 46px; }
.faq-head .section-rule { margin-left: auto; margin-right: auto; }
.faq-head h2 { font-size: 34px; font-weight: 800; letter-spacing: -.5px; margin-bottom: 12px; }
.faq-head p { color: var(--ink-secondary); font-size: 15px; }
.faq-wrap { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--surface);
  border: 1px solid rgba(30, 35, 45, .08);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-item.open { border-color: rgba(255, 106, 0, .25); box-shadow: var(--shadow-md); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  background: transparent;
  border: 0;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.6;
}
.faq-q:hover { color: var(--brand); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 20px;
  font-weight: 400;
  flex-shrink: 0;
  line-height: 1;
  transition: transform .22s ease, background .22s ease;
  font-family: system-ui, sans-serif;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--brand); color: #fff; }
.faq-a { display: none; }
.faq-item.open .faq-a { display: block; }
.faq-inner {
  border-top: 1px dashed var(--line);
  padding: 18px 24px 23px;
  color: var(--ink-secondary);
  font-size: 15px;
  line-height: 1.85;
  background: #F8F9FB;
}
.faq-inner strong { color: var(--ink); font-weight: 700; }

/* CTA */
.cta-dark {
  position: relative;
  padding: 100px 0;
  background-color: var(--dark);
  background-image: linear-gradient(115deg, rgba(18, 22, 31, .97), rgba(18, 22, 31, .82)), url("/assets/images/backpic/back-3.webp");
  background-size: cover;
  background-position: center;
  text-align: center;
  overflow: hidden;
}
.cta-dark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -60px;
  transform: translateX(-50%);
  width: 700px;
  height: 220px;
  background: radial-gradient(closest-side, rgba(255, 106, 0, .22), transparent);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }
.cta-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #FFC096;
  background: rgba(255, 106, 0, .12);
  border: 1px solid rgba(255, 106, 0, .26);
  border-radius: var(--radius-pill);
  padding: 8px 15px;
  margin-bottom: 26px;
}
.cta-dark h2 {
  color: #FFFFFF;
  font-size: 38px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 18px;
}
.cta-dark p { color: rgba(255, 255, 255, .7); font-size: 16px; margin-bottom: 36px; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.btn-light {
  background: #FFFFFF;
  color: var(--ink);
}
.btn-light:hover { background: var(--brand); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(0, 0, 0, .18); }
.btn-light-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .3);
  color: #fff;
}
.btn-light-outline:hover { border-color: var(--brand); color: var(--brand); background: rgba(255, 106, 0, .08); }
.cta-note { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 24px; margin-top: 26px; color: rgba(255, 255, 255, .46); font-size: 13px; }
.cta-note span { display: inline-flex; align-items: center; gap: 6px; }
.cta-note span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); }

/* Footer */
.site-footer {
  background: var(--dark);
  color: #B8C0CC;
  padding: 64px 0 26px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr .9fr 1fr 1.3fr;
  gap: 44px;
  padding-bottom: 46px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand .logo { display: flex; align-items: center; font-size: 25px; font-weight: 800; margin-bottom: 18px; }
.footer-brand .logo .logo-orange { color: var(--brand); }
.site-footer .logo-ink { color: #F1F4F8; }
.footer-desc { font-size: 15px; line-height: 1.85; color: rgba(255, 255, 255, .55); max-width: 380px; }
.footer-col h4 { color: #FFFFFF; font-size: 15px; font-weight: 700; margin-bottom: 18px; }
.footer-links { display: flex; flex-direction: column; gap: 13px; }
.footer-links a { color: rgba(255, 255, 255, .58); font-size: 14px; transition: var(--transition); }
.footer-links a:hover { color: var(--brand); padding-left: 4px; }
.footer-info-line {
  display: flex;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .58);
  margin-bottom: 12px;
  line-height: 1.7;
}
.footer-info-line span:first-child { color: rgba(255, 255, 255, .38); flex-shrink: 0; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 23px;
  font-size: 13px;
  color: rgba(255, 255, 255, .38);
}
.copyright { font-size: 13px; }

/* Responsive */
@media (max-width: 1199px) {
  .hero-grid { gap: 40px; padding-top: 80px; padding-bottom: 86px; }
  .rank-hero h1 { font-size: 38px; }
  .feature-body { padding: 38px 30px; }
  .signal-wrap { grid-template-columns: 1fr; }
  .mini-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .scenario-grid { gap: 60px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
}
@media (max-width: 1023px) {
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-overview { max-width: 640px; }
  .feature-card { grid-template-columns: 1fr; }
  .feature-med { min-height: 300px; }
  .feature-med img { position: static; height: auto; }
  .scenario-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 767px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .main-header { padding: 10px 0; }
  .nav-inner { min-height: 64px; flex-wrap: wrap; }
  .logo { font-size: 22px; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    background: #fff;
    border-top: 1px solid var(--line);
    border-radius: 0 0 18px 18px;
    padding: 8px 0 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links li, .nav-links .nav-item { width: 100%; }
  .nav-links .nav-item { padding: 13px 10px; width: 100%; border-radius: var(--radius-sm); }
  .nav-links .nav-item::after { display: none; }
  .nav-cta { margin: 12px 0 4px; min-height: 46px; }
  .rank-hero h1 { font-size: 31px; line-height: 1.3; }
  .rank-hero::after { opacity: .4; }
  .hero-grid { gap: 36px; padding-top: 62px; padding-bottom: 64px; }
  .hero-facts { gap: 8px 20px; }
  .hero-facts li { width: calc(50% - 10px); }
  .section-head h2, .section-title, .cta-dark h2 { font-size: 28px; }
  .rank-overview, .rank-method, .rank-scenario, .faq-section { padding: 66px 0; }
  .feature-card { margin-bottom: 24px; }
  .feature-body { padding: 28px 22px 30px; }
  .feature-body h3 { font-size: 24px; }
  .feature-med { min-height: 220px; }
  .media-note { left: 14px; bottom: 14px; }
  .method-grid { grid-template-columns: 1fr; gap: 14px; }
  .scenario-list { gap: 0; }
  .scenario-list li { gap: 14px; }
  .time-block { min-width: 68px; }
  .time-block b { font-size: 18px; }
  .faq-head h2 { font-size: 28px; }
  .faq-q { padding: 17px 16px 17px 18px; }
  .faq-inner { padding: 15px 18px 18px; }
  .cta-dark { padding: 70px 0; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .signal-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 479px) {
  .mini-grid { grid-template-columns: 1fr; }
  .hero-facts li { width: 100%; }
  .nav-links { margin-top: 14px; }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .mini-grid { grid-template-columns: repeat(2, 1fr); }
  .signal-wrap { grid-template-columns: repeat(3, 1fr); }
}