/* roulang page: index */
:root{
  --bg:#070C1A;
  --bg-alt:#0A1120;
  --bg-alt2:#0D1526;
  --acid:#B6F03C;
  --acid-glow:rgba(182,240,60,.35);
  --acid-soft:rgba(182,240,60,.08);
  --orange:#FF6B35;
  --text:#E8EDF7;
  --text-2:#9AA5C0;
  --text-3:#6B7590;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.05);
  --r-lg:18px;
  --r-sm:12px;
  --pill:999px;
  --shadow:0 20px 45px rgba(0,0,0,.45);
  --container:1240px;
  --gap:22px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
body::before{
  content:"";position:fixed;inset:0;z-index: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:88px 88px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
a:hover{color:var(--acid)}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.01em}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--acid);outline-offset:2px;border-radius:4px}
::selection{background:var(--acid);color:#08111F}

.num{font-family:"Barlow Condensed","Noto Sans SC",sans-serif;font-weight:500;letter-spacing:-.02em;font-variant-numeric:tabular-nums}

.wrap{position:relative;z-index:1;max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;font-size:15px;font-weight:500;
  letter-spacing:.02em;transition:all .24s var(--ease);white-space:nowrap;
}
.btn-primary{
  background:var(--acid);color:#08111F;
  box-shadow:0 0 24px var(--acid-glow);
}
.btn-primary:hover{color:#08111F;transform:translateY(-1px);box-shadow:0 0 40px rgba(182,240,60,.5)}
.btn-ghost{
  border:1px solid var(--acid);color:var(--acid);background:transparent;
}
.btn-ghost:hover{background:var(--acid-soft);color:var(--acid)}
.btn-sm{padding:9px 20px;font-size:13.5px}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line);
  padding-bottom:2px;transition:all .2s var(--ease);
}
.text-link:hover{color:var(--acid);border-bottom-color:var(--acid);gap:10px}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--pill);
  font-size:12px;letter-spacing:.05em;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.chip-acid{color:var(--acid);border-color:rgba(182,240,60,.35);background:var(--acid-soft)}
.chip-hot{color:var(--orange);border-color:rgba(255,107,53,.4);background:rgba(255,107,53,.08)}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-stuck{
  background:rgba(7,12,26,.78);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:78px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--acid),#7FD01F);
  box-shadow:0 0 18px rgba(182,240,60,.35);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px 9px;border-radius:2px;
  border-left:2px solid #08111F;border-bottom:2px solid #08111F;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:15px;font-weight:700;letter-spacing:.02em}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:30px;margin:0 auto}
.nav-links a{
  position:relative;font-size:14px;letter-spacing:.04em;color:var(--text-2);
  padding:4px 0;white-space:nowrap;
}
.nav-links a:hover{color:var(--text)}
.nav-links a.is-active{color:var(--text)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--acid);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:var(--pill);display:inline-flex;
  align-items:center;justify-content:center;border:1px solid var(--line);
  color:var(--text-2);transition:all .24s var(--ease);
}
.icon-btn:hover{color:var(--acid);border-color:rgba(182,240,60,.45);background:var(--acid-soft)}
.nav-toggle{display:none}

/* drawer */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,360px);z-index:95;
  background:rgba(10,17,32,.92);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .34s var(--ease);
  display:flex;flex-direction:column;padding:26px 24px 30px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-list{display:flex;flex-direction:column;gap:2px}
.drawer-list a{
  padding:15px 0;font-size:15px;letter-spacing:.08em;color:var(--text-2);
  border-bottom:1px solid var(--line-soft);
}
.drawer-list a.is-active{color:var(--acid)}
.drawer-foot{margin-top:auto;padding-top:26px}
.drawer-mask{
  position:fixed;inset:0;z-index:90;background:rgba(4,7,15,.6);
  opacity:0;visibility:hidden;transition:all .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  min-height:min(90vh,780px);
  display:flex;align-items:center;
  padding:150px 0 92px;
  background:#070C1A url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,26,.5) 0%,rgba(7,12,26,.84) 58%,var(--bg) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,12,26,.95) 0%,rgba(7,12,26,.6) 50%,rgba(7,12,26,.15) 100%);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:40px;align-items:end;position:relative;z-index:2}
.hero-card{
  max-width:680px;padding:40px 42px 36px;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.hero-eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.hero h1{
  font-size:clamp(30px,5vw,54px);line-height:1.15;letter-spacing:.02em;
  margin-bottom:16px;
}
.hero-sub{font-size:17px;color:var(--text-2);letter-spacing:.02em;margin-bottom:14px}
.hero-desc{font-size:15px;color:var(--text-3);max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.hero-thumbs{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.hero-thumbs img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm);
  border:1px solid var(--line);opacity:.85;transition:all .3s var(--ease);
}
.hero-thumbs img:hover{opacity:1;border-color:rgba(182,240,60,.45);transform:translateY(-3px)}

/* ---------- stats strip ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-alt)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 8px;border-right:1px solid var(--line-soft)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:38px;line-height:1;color:var(--text);margin-bottom:8px}
.stat span{font-size:13px;color:var(--text-3);letter-spacing:.06em}

/* ---------- section base ---------- */
.section{padding:96px 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-alt2{background:var(--bg-alt2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:42px}
.section-head h2{font-size:clamp(24px,3vw,32px);letter-spacing:.01em}
.section-head .kicker{
  display:block;font-size:12px;letter-spacing:.2em;color:var(--acid);
  margin-bottom:12px;text-transform:uppercase;
}
.section-head .sub{color:var(--text-3);font-size:14px;margin-top:10px;max-width:640px}
.sec-line{height:1px;background:var(--line);margin-bottom:42px}

/* ---------- rail ---------- */
.rail{
  display:flex;gap:var(--gap);overflow-x:auto;padding-bottom:18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.rail::-webkit-scrollbar-track{background:transparent}
.rail-item{flex:0 0 288px;scroll-snap-align:start}
.rail-card{
  display:block;border-radius:var(--r-sm);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  transition:all .24s var(--ease);
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(182,240,60,.45);box-shadow:var(--shadow)}
.rail-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B1222}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);opacity:.9}
.rail-card:hover .rail-cover img{transform:scale(1.04);opacity:1}
.rail-badge{
  position:absolute;top:10px;left:10px;padding:2px 10px;border-radius:var(--pill);
  font-size:11px;letter-spacing:.06em;color:#fff;
  background:rgba(255,107,53,.9);backdrop-filter:blur(6px);
}
.rail-index{
  position:absolute;right:12px;bottom:8px;font-size:20px;color:rgba(255,255,255,.9);
  text-shadow:0 2px 10px rgba(0,0,0,.6);
}
.rail-body{padding:14px 16px 16px}
.rail-body h3{
  font-size:16px;font-weight:500;line-height:1.5;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rail-body span{font-size:12.5px;color:var(--text-3);letter-spacing:.05em}

/* ---------- featured ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--gap)}
.feature-main{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);min-height:420px;display:flex;align-items:flex-end;
  background:#0B1222;transition:all .24s var(--ease);
}
.feature-main:hover{border-color:rgba(182,240,60,.45);transform:translateY(-4px)}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85}
.feature-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,26,.15) 0%,rgba(7,12,26,.9) 78%);
}
.feature-main .info{
  position:relative;z-index:2;width:100%;padding:26px 28px;
  background:rgba(10,17,32,.55);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.feature-main .info h3{font-size:22px;margin:12px 0 8px}
.feature-main .info p{font-size:14px;color:var(--text-2);margin:0}
.feature-side{display:flex;flex-direction:column;gap:var(--gap)}
.mini-card{
  display:grid;grid-template-columns:132px 1fr;gap:16px;
  padding:14px;border-radius:var(--r-sm);background:var(--glass);
  border:1px solid var(--line);transition:all .24s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(182,240,60,.45);box-shadow:var(--shadow)}
.mini-card .thumb{aspect-ratio:16/11;border-radius:10px;overflow:hidden;background:#0B1222}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;opacity:.88}
.mini-card h4{font-size:15.5px;font-weight:500;line-height:1.5;margin:8px 0 6px}
.mini-card .meta{font-size:12px;color:var(--text-3);letter-spacing:.05em}

/* ---------- tabs ---------- */
.tabs-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.tab-btn{
  padding:9px 20px;border-radius:var(--pill);font-size:14px;
  border:1px solid var(--line);color:var(--text-2);
  transition:all .24s var(--ease);
}
.tab-btn:hover{color:var(--text);border-color:rgba(255,255,255,.22)}
.tab-btn.is-active{background:var(--acid);border-color:var(--acid);color:#08111F;font-weight:500}
.tab-panel{display:none}
.tab-panel.is-active{display:block;animation:fadeUp .34s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.grid-flow{display:grid;gap:var(--gap)}
.flow-row-a{grid-template-columns:1.5fr 1fr 1fr}
.flow-row-b{grid-template-columns:1fr 1.6fr 1fr;margin-top:var(--gap)}
.flow-card{
  padding:24px;border-radius:var(--r-sm);background:var(--glass);
  border:1px solid var(--line);display:flex;flex-direction:column;gap:10px;
  transition:all .24s var(--ease);min-height:170px;
}
.flow-card:hover{transform:translateY(-4px);border-color:rgba(182,240,60,.45);box-shadow:var(--shadow)}
.flow-card h4{font-size:17px;font-weight:500}
.flow-card p{font-size:14px;color:var(--text-2);margin:0;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.flow-card .tag{font-size:12px;color:var(--text-3);letter-spacing:.05em}
.tabs-foot{margin-top:30px}

/* ---------- news list (CMS) ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}
.news-card{
  border-radius:var(--r-sm);background:var(--glass);border:1px solid var(--line);
  transition:all .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(182,240,60,.45);box-shadow:var(--shadow)}
.news-body{padding:24px 26px 20px}
.news-body h3{font-size:18px;font-weight:500;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14px;color:var(--text-2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--text-3)}
.news-meta .arrow{transition:transform .24s var(--ease)}
.news-card:hover .arrow{transform:translateX(3px);color:var(--acid)}
.empty{
  grid-column:1/-1;text-align:center;padding:58px 24px;border:1px dashed var(--line);
  border-radius:var(--r-sm);background:rgba(255,255,255,.02);
}
.empty svg{opacity:.4;margin-bottom:14px}
.empty p{color:var(--text-3);font-size:14px;margin-bottom:14px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;padding:110px 0;
  background:#070C1A url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,26,.86),rgba(7,12,26,.94))}
.cta-panel{
  position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center;
  padding:48px 44px;border-radius:var(--r-lg);
  background:rgba(10,17,32,.6);border:1px solid var(--line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.cta-panel h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:14px}
.cta-panel p{color:var(--text-2);font-size:15px;margin-bottom:26px}
.cta-panel .btn-primary{box-shadow:0 0 30px var(--acid-glow)}

/* ---------- faq ---------- */
.faq-wrap{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;
  align-items:flex-start;gap:18px;padding:24px 6px;font-size:17px;font-weight:500;
  transition:background .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(255,255,255,.02)}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:14px;height:14px;margin-top:7px;
  background-image:linear-gradient(var(--acid),var(--acid)),linear-gradient(var(--acid),var(--acid));
  background-position:center;
  background-size:14px 1.5px,1.5px 14px;
  background-repeat:no-repeat;
  transition:background-size .24s var(--ease);
}
.faq-item[open] summary::after{background-size:14px 1.5px,1.5px 0}
.faq-item[open] summary{color:var(--acid)}
.faq-answer{padding:0 6px 24px;font-size:15px;color:var(--text-2);max-width:820px}
.faq-answer p{margin:0}

/* ---------- footer ---------- */
.site-footer{background:#05090F;border-top:1px solid var(--line);position:relative;z-index:1}
.footer-grid{
  display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:48px;
  padding:76px 0 54px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:13.5px;color:var(--text-3);max-width:320px;line-height:1.9}
.footer-col h4{
  font-size:12px;letter-spacing:.18em;color:var(--text-3);
  font-weight:500;margin-bottom:20px;
}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block}
.footer-col a:hover{color:var(--acid);transform:translateX(2px)}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.9;margin:0 0 14px}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--acid);margin:0 10px;vertical-align:middle}

/* ---------- responsive ---------- */
@media screen and (max-width:1280px){
  .rail-item{flex:0 0 272px}
}
@media screen and (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:80px 0}
  .hero{padding:132px 0 76px;min-height:auto}
  .hero-grid{grid-template-columns:1fr}
  .hero-thumbs{grid-template-columns:repeat(4,1fr);max-width:520px}
  .feature-grid{grid-template-columns:1fr}
  .flow-row-a,.flow-row-b{grid-template-columns:1fr 1fr}
  .flow-row-b{margin-top:var(--gap)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:38px;padding:64px 0 44px}
}
@media screen and (max-width:767px){
  .wrap{padding:0 18px}
  .section{padding:64px 0}
  .hero-card{padding:30px 24px}
  .hero-cta{gap:12px}
  .hero-cta .btn{width:100%}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line-soft);padding:24px 10px}
  .stat:nth-child(odd){border-right:1px solid var(--line-soft)}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .stat b{font-size:30px}
  .news-grid{grid-template-columns:1fr}
  .flow-row-a,.flow-row-b{grid-template-columns:1fr}
  .flow-row-b{margin-top:var(--gap)}
  .mini-card{grid-template-columns:112px 1fr}
  .feature-main{min-height:360px}
  .cta-band{padding:76px 0}
  .cta-panel{padding:34px 22px}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 40px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:520px){
  .rail-item{flex:0 0 78vw}
  .hero-thumbs{grid-template-columns:repeat(2,1fr);max-width:100%}
  .stat b{font-size:26px}
  .brand-text span{display:none}
}
@media screen and (min-width:1440px){
  .rail-item{flex:0 0 300px}
  .hero{min-height:min(86vh,820px)}
}

/* roulang page: article */
:root{
  --bg:#070C1A;
  --bg-1:#0A1120;
  --bg-2:#0D1526;
  --accent:#B6F03C;
  --accent-soft:rgba(182,240,60,.35);
  --accent-45:rgba(182,240,60,.45);
  --accent-12:rgba(182,240,60,.12);
  --accent-08:rgba(182,240,60,.08);
  --orange:#FF6B35;
  --text:#E8EDF7;
  --text-2:#9AA5C0;
  --text-3:#6B7590;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.05);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 20px 45px rgba(0,0,0,.45);
  --t:240ms ease-out;
  --wrap:1240px;
  --num:"Barlow Condensed","Oswald","Noto Sans SC","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--t)}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--accent);color:#0A1120}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.num{font-family:var(--num);letter-spacing:-0.02em}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t);
}
.site-header.is-scrolled{
  background:rgba(7,12,26,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  position:relative;width:26px;height:26px;border-radius:8px;
  background:linear-gradient(140deg,var(--accent),#7BC216);
  box-shadow:0 0 18px var(--accent-soft);
}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:3px;background:#070C1A;opacity:.85}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand-text span{font-size:10px;letter-spacing:.2em;color:var(--text-3)}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-links a{
  position:relative;font-size:14px;color:var(--text-2);
  letter-spacing:.04em;padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-links a:hover{color:var(--text)}
.nav-links a.is-active{color:var(--text)}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--text-2);
  transition:color var(--t),border-color var(--t),background var(--t);
}
.icon-btn:hover{color:var(--accent);border-color:var(--accent-45);background:var(--accent-08)}
.nav-toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:500;padding:13px 24px;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{background:var(--accent);color:#0A1120;box-shadow:0 0 24px var(--accent-soft)}
.btn-primary:hover{color:#0A1120;box-shadow:0 0 40px var(--accent-soft);transform:translateY(1px)}
.btn-ghost{border-color:var(--accent);color:var(--accent);background:transparent}
.btn-ghost:hover{background:var(--accent-08);color:var(--accent)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.nav-actions .btn-primary{border-radius:var(--r-pill);padding:10px 22px}

/* ---------- drawer ---------- */
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);z-index:90;
  transform:translateX(102%);
  transition:transform 300ms cubic-bezier(.4,0,.2,1);
  background:rgba(10,17,32,.94);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  padding:28px 24px 32px;display:flex;flex-direction:column;gap:26px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  display:block;padding:15px 0;border-bottom:1px solid var(--line-soft);
  font-size:16px;letter-spacing:.08em;color:var(--text-2);
}
.drawer-links a:hover{color:var(--accent);padding-left:4px}
.drawer-foot{margin-top:auto}
.drawer-foot .btn{width:100%}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(4,8,16,.62);
  opacity:0;visibility:hidden;transition:opacity 300ms ease,visibility 300ms ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 30%;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,26,.72) 0%,rgba(7,12,26,.88) 55%,var(--bg) 100%);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,12,26,.86) 0%,rgba(7,12,26,.35) 60%,rgba(7,12,26,.6) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:1;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:100% 38px;
}
.article-hero .wrap{position:relative;z-index:2;padding-top:64px;padding-bottom:58px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:24px}
.breadcrumb li{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.breadcrumb li:not(:last-child)::after{content:"/";color:var(--text-3);opacity:.7}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb [aria-current] {color:var(--text-3)}
.article-head{max-width:900px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--glass);color:var(--text-2);
  font-size:12px;letter-spacing:.06em;padding:6px 14px;
  transition:color var(--t),border-color var(--t),background var(--t);
}
.chip:hover{color:var(--accent);border-color:var(--accent-45);background:var(--accent-08)}
.chip-accent{border-color:var(--accent-45);color:var(--accent);background:var(--accent-08)}
.article-head h1{
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.25;letter-spacing:.02em;font-weight:700;
  margin:20px 0 20px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--text-3)}
.meta-row .num{font-size:14px;color:var(--text-2)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}

/* ---------- layout ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.article-main{padding:72px 0 0}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:56px;align-items:start;
}
.article-body{max-width:720px;font-size:16px;line-height:1.85;color:#D6DCEA}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;
  color:var(--text);margin:2.2em 0 .8em;padding-left:16px;letter-spacing:.01em;
}
.article-body h2:first-child{margin-top:0}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;
  border-radius:2px;background:var(--accent);box-shadow:0 0 12px var(--accent-soft);
}
.article-body h3{font-size:19px;font-weight:500;color:var(--text);margin:1.9em 0 .6em;letter-spacing:.01em}
.article-body p{margin:0 0 1.4em}
.article-body strong{color:var(--text);font-weight:500}
.article-body a{color:var(--accent);border-bottom:1px solid var(--accent-45)}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body ul{margin:0 0 1.4em}
.article-body ul li{position:relative;padding-left:18px;margin:.45em 0}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.76em;width:5px;height:5px;border-radius:50%;
  background:var(--accent);opacity:.85;
}
.article-body ol{list-style:decimal;padding-left:22px;margin:0 0 1.4em}
.article-body ol li{margin:.45em 0;padding-left:4px}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--accent);
  background:var(--glass);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);font-size:15px;
}
.article-body img{border-radius:var(--r-md);border:1px solid var(--line);margin:1.6em 0}
.article-body figure{margin:1.6em 0}
.article-body figure img{margin:0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:12px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{color:var(--text-2);font-weight:500;background:var(--glass)}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;
  background:var(--glass);border:1px solid var(--line);border-radius:6px;padding:2px 6px;color:var(--accent);
}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  text-align:center;padding:76px 24px;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--glass);
}
.empty-state svg{opacity:.4}
.empty-state p{color:var(--text-2);font-size:15px}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.side-card h3{
  font-size:14px;font-weight:500;letter-spacing:.1em;color:var(--text-3);
  padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--line);
}
.side-list{display:grid;gap:2px}
.side-list a{
  display:flex;align-items:flex-start;gap:10px;
  padding:10px 0;font-size:14px;color:var(--text-2);line-height:1.6;
  border-bottom:1px solid var(--line-soft);
  transition:color var(--t),transform var(--t);
}
.side-list a:last-child{border-bottom:0}
.side-list a:hover{color:var(--accent);transform:translateX(2px)}
.side-list .idx{
  font-family:var(--num);font-size:13px;color:var(--accent);opacity:.75;
  min-width:18px;padding-top:2px;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  display:inline-flex;align-items:center;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:12px;color:var(--text-2);padding:6px 13px;
  transition:color var(--t),border-color var(--t),background var(--t);
}
.tag-cloud a:hover{color:var(--accent);border-color:var(--accent-45);background:var(--accent-08)}

/* ---------- related ---------- */
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;color:var(--accent);text-transform:uppercase;
}
.section-eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.7}
.related-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-top:12px;letter-spacing:.01em}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.mini-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-sm);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.mini-card:hover{transform:translateY(-4px);border-color:var(--accent-45);box-shadow:var(--shadow);color:inherit}
.mini-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-2)}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.mini-card:hover .mini-thumb img{transform:scale(1.04)}
.mini-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(7,12,26,.72))}
.mini-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.mini-body h3{font-size:17px;font-weight:500;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);margin-top:auto}
.mini-meta .num{color:var(--text-2)}
.related-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  margin-top:34px;padding-top:28px;border-top:1px solid var(--line);
}
.related-foot p{font-size:14px;color:var(--text-2);max-width:560px}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;margin-top:96px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,26,.9) 0%,rgba(7,12,26,.75) 50%,rgba(7,12,26,.94) 100%);
}
.cta-inner{position:relative;z-index:2;padding:88px 0;display:flex;justify-content:center}
.cta-panel{
  width:100%;max-width:720px;text-align:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:48px 36px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(22px,2.8vw,32px);font-weight:700;line-height:1.35;letter-spacing:.01em}
.cta-panel p{margin:16px auto 30px;max-width:520px;font-size:15px;color:var(--text-2)}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-1);border-top:1px solid var(--line);
  padding:76px 0 0;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:40px;
  padding-bottom:52px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:380px;line-height:1.8}
.footer-col h4{
  font-size:13px;font-weight:500;letter-spacing:.12em;color:var(--text-3);
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:12px}
.footer-col li a{
  display:inline-block;font-size:14px;color:var(--text-2);
  transition:color var(--t),transform var(--t);
}
.footer-col li a:hover{color:var(--accent);transform:translateX(-2px)}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.8;margin-bottom:12px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px solid var(--line);padding:22px 0 28px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--text-3);margin:0 8px;vertical-align:middle}

/* ---------- responsive ---------- */
@media screen and (max-width:1280px){
  .article-layout{gap:44px}
}
@media screen and (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{gap:16px;min-height:68px}
  .brand-text b{font-size:15px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .article-side{position:static}
  .article-body{max-width:100%}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
  .section{padding:80px 0}
}
@media screen and (max-width:768px){
  .wrap{padding:0 18px}
  .article-hero .wrap{padding-top:44px;padding-bottom:44px}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .article-main{padding:52px 0 0}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .article-head h1{margin:16px 0}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{padding:64px 0}
  .cta-panel{padding:36px 22px}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;padding-bottom:38px}
  .footer-brand{grid-column:1 / -1}
  .site-footer{padding-top:60px}
  .related-foot{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:520px){
  body{font-size:15px}
  .brand-text span{display:none}
  .nav-actions .btn-primary{display:none}
  .article-body h2{font-size:20px;padding-left:13px;margin-top:2em}
  .meta-row{gap:10px;font-size:12px}
  .side-card{padding:18px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --bg:#070C1A;
  --bg-2:#0A1120;
  --bg-3:#0D1526;
  --accent:#B6F03C;
  --accent-dim:rgba(182,240,60,.08);
  --accent-line:rgba(182,240,60,.45);
  --accent-glow:rgba(182,240,60,.35);
  --warn:#FF6B35;
  --text:#E8EDF7;
  --text-2:#9AA5C0;
  --text-3:#6B7590;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.05);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 20px 45px rgba(0,0,0,.45);
  --maxw:1240px;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow",var(--font-cn);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.030) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.030) 1px,transparent 1px);
  background-size:72px 72px;
}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700;}
p{margin:0;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:rgba(182,240,60,.28);color:#fff;}

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,12,26,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:36px;
  min-height:76px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.brand-mark{
  width:26px;
  height:26px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--accent),rgba(182,240,60,.22));
  box-shadow:0 0 22px var(--accent-glow);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--text);}
.brand-text span{
  font-family:var(--font-num);
  font-size:10px;
  letter-spacing:.18em;
  color:var(--text-3);
  margin-top:2px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:14px;
  color:var(--text-2);
  letter-spacing:.04em;
  padding:6px 0;
  transition:color .24s ease;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--text);}
.nav-links a.is-active{color:var(--text);}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  color:var(--text-2);
  background:transparent;
  transition:color .24s ease,border-color .24s ease,background .24s ease;
}
.icon-btn:hover{color:var(--accent);border-color:var(--accent-line);background:var(--accent-dim);}
.nav-toggle{display:none;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-sm);
  font-size:14px;
  font-weight:500;
  letter-spacing:.02em;
  padding:12px 22px;
  transition:transform .24s ease-out,box-shadow .24s ease-out,background .24s ease-out,color .24s ease-out,border-color .24s ease-out;
}
.btn-primary{
  background:var(--accent);
  color:#08101F;
  border:1px solid var(--accent);
  box-shadow:0 0 24px var(--accent-glow);
}
.btn-primary:hover{box-shadow:0 0 40px var(--accent-glow);transform:translateY(-1px);color:#08101F;}
.btn-ghost{
  background:transparent;
  border:1px solid var(--accent);
  color:var(--accent);
}
.btn-ghost:hover{background:var(--accent-dim);}
.btn-sm{padding:9px 16px;font-size:13px;}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 72px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.34;
  z-index:0;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,12,26,.72) 0%,rgba(7,12,26,.93) 58%,var(--bg) 100%),
    linear-gradient(90deg,rgba(7,12,26,.92) 0%,rgba(7,12,26,.28) 78%);
  z-index:1;
}
.page-hero .wrap{position:relative;z-index:2;}
.crumbs{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:26px;
}
.crumbs a{transition:color .2s ease;}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{color:var(--text-3);opacity:.7;}

.hero-top{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:36px;
}
.hero-copy{max-width:720px;}
.hero-copy h1{
  font-size:clamp(30px,5vw,54px);
  line-height:1.15;
  letter-spacing:.02em;
}
.hero-copy .lede{
  margin-top:20px;
  color:var(--text-2);
  font-size:16px;
  line-height:1.85;
  max-width:620px;
}
.chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:8px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--text-2);
  font-size:13px;
  letter-spacing:.02em;
  transition:color .24s ease,border-color .24s ease,background .24s ease;
}
.chip:hover{color:var(--text);border-color:var(--accent-line);}
.chip.is-active{background:var(--accent-dim);border-color:var(--accent-line);color:var(--accent);}

.hero-facts{
  margin-top:52px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.hero-facts div{
  padding:22px 20px 22px 0;
  border-right:1px solid var(--line);
}
.hero-facts div:last-child{border-right:0;}
.hero-facts .num{
  font-family:var(--font-num);
  font-size:30px;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--accent);
  display:block;
}
.hero-facts .lbl{
  display:block;
  margin-top:8px;
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.04em;
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-2);}
.section-dark{background:var(--bg-3);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  letter-spacing:.01em;
}
.section-head p{
  margin-top:16px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.22em;
  color:var(--accent);
  margin-bottom:14px;
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:20px;height:1px;
  background:var(--accent);
  opacity:.7;
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;}
.timeline::before{
  content:"";
  position:absolute;
  left:148px;
  top:18px;
  bottom:18px;
  width:1px;
  background:linear-gradient(180deg,rgba(182,240,60,.55) 0%,rgba(255,255,255,.10) 42%,rgba(255,255,255,.04) 100%);
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:132px 1fr;
  gap:32px;
  padding-bottom:26px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:144px;
  top:34px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 5px rgba(182,240,60,.10);
  z-index:2;
}
.tl-time{
  text-align:right;
  padding-top:22px;
}
.tl-time .num{
  display:block;
  font-family:var(--font-num);
  font-size:38px;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--accent);
  opacity:.92;
}
.tl-time .dur{
  display:block;
  margin-top:8px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text-3);
}
.tl-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 28px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.tl-card:hover{
  transform:translateY(-4px);
  border-color:var(--accent-line);
  box-shadow:var(--shadow);
}
.tl-card h3{
  font-size:19px;
  font-weight:500;
  margin-bottom:10px;
  letter-spacing:.01em;
}
.tl-card p{
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
}
.tl-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  color:var(--text-2);
  font-size:12px;
  letter-spacing:.02em;
}
.tag-warn{color:var(--warn);border-color:rgba(255,107,53,.42);}

/* ---------- 图文清单 ---------- */
.split{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:52px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.check-list li{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:18px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.check-list li:first-child{border-top:1px solid var(--line);}
.check-num{
  font-family:var(--font-num);
  font-size:22px;
  line-height:1.35;
  color:var(--accent);
  letter-spacing:-.02em;
  min-width:28px;
}
.check-list h3{
  font-size:16px;
  font-weight:500;
  margin-bottom:6px;
}
.check-list p{
  color:var(--text-2);
  font-size:14px;
  line-height:1.8;
}

/* ---------- 对照列表 ---------- */
.compare{
  border-top:1px solid var(--line);
}
.compare-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  padding:24px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.compare-row dt{
  display:flex;
  gap:14px;
  align-items:flex-start;
  font-size:16px;
  font-weight:500;
  line-height:1.6;
}
.mk{
  flex:0 0 auto;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--warn);
  margin-top:10px;
}
.compare-row dd{
  margin:0;
  color:var(--text-2);
  font-size:14px;
  line-height:1.85;
}

/* ---------- 更多链接 ---------- */
.more-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:26px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.more-bar .txt{
  color:var(--text-2);
  font-size:14px;
}
.more-link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--accent);
  font-size:15px;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:gap .24s ease,border-color .24s ease;
}
.more-link:hover{gap:16px;border-bottom-color:var(--accent-line);}

/* ---------- FAQ ---------- */
.faq-wrap{
  border-top:1px solid var(--line);
  margin-top:44px;
}
.faq-item{
  border-bottom:1px solid var(--line);
  transition:background .24s ease;
}
.faq-item[open]{background:rgba(255,255,255,.022);}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:24px 56px 24px 0;
  font-size:17px;
  font-weight:500;
  line-height:1.6;
  transition:color .24s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--accent);}
.faq-item summary::before{
  content:"";
  position:absolute;
  right:8px;
  top:34px;
  width:16px;
  height:1.5px;
  background:var(--accent);
}
.faq-item summary::after{
  content:"";
  position:absolute;
  right:15.25px;
  top:26.5px;
  width:1.5px;
  height:16px;
  background:var(--accent);
  transition:transform .24s ease,opacity .24s ease;
}
.faq-item[open] summary::after{transform:rotate(90deg);opacity:0;}
.faq-answer{
  padding:0 56px 26px 0;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:104px 0;
  border-top:1px solid var(--line);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:.30;
  z-index:0;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(circle at 50% 45%,rgba(7,12,26,.55) 0%,rgba(7,12,26,.94) 72%);
  z-index:1;
}
.cta-band .wrap{position:relative;z-index:2;}
.cta-panel{
  max-width:760px;
  margin:0 auto;
  text-align:center;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:52px 44px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.cta-panel h2{
  font-size:clamp(24px,3.4vw,34px);
  letter-spacing:.01em;
}
.cta-panel p{
  margin:18px auto 0;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  max-width:560px;
}
.cta-actions{
  margin-top:32px;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-3);
  border-top:1px solid var(--line);
  padding-top:76px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:4fr 2fr 3fr 3fr;
  gap:44px;
  padding-bottom:56px;
}
.footer-brand p{
  margin-top:20px;
  color:var(--text-2);
  font-size:14px;
  line-height:1.85;
  max-width:340px;
}
.footer-col h4{
  font-size:13px;
  font-weight:500;
  letter-spacing:.12em;
  color:var(--text);
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{
  display:inline-block;
  color:var(--text-2);
  font-size:14px;
  transition:color .22s ease,transform .22s ease;
}
.footer-col ul li a:hover{color:var(--accent);transform:translateX(2px);}
.footer-note{
  color:var(--text-3);
  font-size:13px;
  line-height:1.8;
  margin-bottom:12px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  color:var(--text-3);
  font-size:13px;
}
.dot{
  display:inline-block;
  width:4px;height:4px;
  border-radius:50%;
  background:var(--text-3);
  margin:0 10px;
  vertical-align:middle;
  opacity:.7;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-links{gap:26px;}
  .hero-facts .num{font-size:26px;}
}
@media (max-width:1023px){
  .section{padding:80px 0;}
  .page-hero{padding:52px 0 60px;}
  .cta-band{padding:84px 0;}

  .nav-links{
    position:fixed;
    top:0;
    right:0;
    height:100vh;
    width:min(330px,86vw);
    margin-left:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:104px 28px 34px;
    background:rgba(10,17,32,.94);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-left:1px solid var(--line);
    transform:translateX(103%);
    transition:transform .34s ease;
    z-index:70;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{
    width:100%;
    font-size:16px;
    letter-spacing:.08em;
    padding:15px 0;
    border-bottom:1px solid rgba(255,255,255,.06);
    color:var(--text-2);
  }
  .nav-links a.is-active{color:var(--accent);}
  .nav-links a.is-active::after{display:none;}
  .nav-toggle{display:inline-flex;}

  .hero-facts{grid-template-columns:repeat(2,1fr);}
  .hero-facts div{padding:20px 18px 20px 0;}
  .hero-facts div:nth-child(2){border-right:0;}
  .hero-facts div:nth-child(1),
  .hero-facts div:nth-child(2){border-bottom:1px solid var(--line);}

  .timeline::before{left:5px;top:10px;bottom:10px;}
  .tl-item{
    grid-template-columns:1fr;
    gap:12px;
    padding-left:30px;
    padding-bottom:24px;
  }
  .tl-item::before{left:1px;top:8px;}
  .tl-time{
    display:flex;
    align-items:baseline;
    gap:12px;
    text-align:left;
    padding-top:0;
  }
  .tl-time .num{font-size:24px;}
  .tl-time .dur{margin-top:0;}

  .split{grid-template-columns:1fr;gap:30px;}
  .split-media img{aspect-ratio:16/9;}

  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-brand p{max-width:none;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .section{padding:64px 0;}
  .nav-inner{gap:16px;min-height:66px;}
  .brand-text b{font-size:15px;}
  .brand-text span{font-size:9px;letter-spacing:.14em;}
  .icon-btn:not(.nav-toggle){display:none;}
  .nav-actions .btn-primary{display:none;}

  .compare-row{grid-template-columns:1fr;gap:10px;}
  .compare-row dd{padding-left:20px;}
  .faq-item summary{padding:20px 48px 20px 0;font-size:16px;}
  .faq-item summary::before{top:30px;}
  .faq-item summary::after{top:22.5px;}
  .faq-answer{padding:0 8px 22px 0;}
  .cta-panel{padding:38px 22px;}
  .hero-facts{grid-template-columns:1fr;}
  .hero-facts div{border-right:0;border-bottom:1px solid var(--line);}
  .hero-facts div:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:40px;}
  .site-footer{padding-top:56px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:400px){
  .hero-copy h1{font-size:26px;}
  .tl-card{padding:20px 18px;}
  .brand-text span{display:none;}
}

/* roulang page: category3 */
:root{
  --bg:#070C1A;
  --bg-alt:#0A1120;
  --bg-alt2:#0D1526;
  --accent:#B6F03C;
  --accent-glow:rgba(182,240,60,.35);
  --accent-soft:rgba(182,240,60,.08);
  --orange:#FF6B35;
  --text:#E8EDF7;
  --text-2:#9AA5C0;
  --text-3:#6B7590;
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --r-lg:18px;
  --r-md:12px;
  --r-pill:999px;
  --shadow:0 20px 45px rgba(0,0,0,.45);
  --ease:240ms ease-out;
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px) 0 0/100% 88px,
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px) 0 0/88px 100%,
    var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--accent);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
h1,h2,h3,h4{font-weight:500;line-height:1.25;letter-spacing:.01em;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(182,240,60,.28);color:#fff;}

.num{font-family:"Barlow Condensed","Arial Narrow",system-ui,sans-serif;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;border-bottom:1px solid transparent;transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);}
.site-header.is-stuck{background:rgba(7,12,26,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line);}
.site-header.drawer-open{backdrop-filter:none;-webkit-backdrop-filter:none;background:transparent;border-bottom-color:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{width:26px;height:26px;border-radius:8px;flex:0 0 26px;background:linear-gradient(150deg,var(--accent),#5fa414);box-shadow:0 0 22px var(--accent-glow);position:relative;}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:3px;background:rgba(7,12,26,.85);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:.02em;}
.brand-text span{font-size:10px;letter-spacing:.16em;color:var(--text-3);}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{position:relative;font-size:14.5px;color:var(--text-2);letter-spacing:.04em;padding:6px 0;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--text-2);background:transparent;transition:color var(--ease),border-color var(--ease),background var(--ease);}
.icon-btn:hover{color:var(--accent);border-color:rgba(182,240,60,.45);background:var(--accent-soft);}
.nav-toggle{display:none;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-md);font-size:15px;font-weight:500;letter-spacing:.02em;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);}
.btn-primary{background:var(--accent);color:#0A1120;box-shadow:0 0 24px var(--accent-glow);}
.btn-primary:hover{color:#0A1120;box-shadow:0 0 40px var(--accent-glow);transform:translateY(1px);}
.btn-ghost{border:1px solid rgba(182,240,60,.55);color:var(--accent);background:transparent;}
.btn-ghost:hover{background:var(--accent-soft);color:var(--accent);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:var(--r-pill);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-2);}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover svg{transform:translateX(2px);}

/* ---------- chips ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);border:1px solid var(--line);font-size:12.5px;color:var(--text-2);letter-spacing:.03em;}
.chip-accent{color:var(--accent);border-color:rgba(182,240,60,.4);background:var(--accent-soft);}

/* ---------- hero ---------- */
.hero{position:relative;padding:158px 0 96px;overflow:hidden;border-bottom:1px solid var(--line-soft);}
.hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center 30%;opacity:.42;}
.hero::after{content:"";position:absolute;inset:0;background:
  linear-gradient(to top,rgba(7,12,26,.98) 4%,rgba(7,12,26,.62) 46%,rgba(7,12,26,.35) 100%),
  linear-gradient(to right,rgba(7,12,26,.94) 0%,rgba(7,12,26,.55) 52%,rgba(7,12,26,.2) 100%);}
.hero .wrap{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:26px;flex-wrap:wrap;}
.crumbs ol{display:flex;align-items:center;gap:10px;}
.crumbs li::after{content:"/";margin-left:10px;color:var(--text-3);}
.crumbs li:last-child::after{content:"";margin:0;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--accent);}
.crumbs .current{color:var(--text-2);}
.hero-panel{max-width:720px;padding:38px 40px;border-radius:var(--r-lg);border:1px solid var(--line);background:rgba(10,17,32,.62);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:var(--accent-soft);border:1px solid rgba(182,240,60,.35);color:var(--accent);font-size:12.5px;letter-spacing:.08em;margin-bottom:20px;}
.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.15;letter-spacing:.02em;font-weight:700;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.hero-meta{display:flex;gap:34px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap;}
.hero-meta div{display:flex;flex-direction:column;}
.hero-meta b{font-size:26px;font-weight:500;color:var(--text);}
.hero-meta span{font-size:12.5px;color:var(--text-3);letter-spacing:.06em;}

/* ---------- anchor nav ---------- */
.anchor-nav{position:sticky;top:72px;z-index:45;background:rgba(7,12,26,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft);}
.anchor-track{display:flex;gap:10px;overflow-x:auto;padding-top:14px;padding-bottom:14px;scrollbar-width:none;}
.anchor-track::-webkit-scrollbar{display:none;}
.anchor-track a{flex:0 0 auto;padding:8px 18px;border-radius:var(--r-pill);border:1px solid var(--line);font-size:13.5px;color:var(--text-2);white-space:nowrap;transition:all var(--ease);}
.anchor-track a:hover,.anchor-track a.is-active{color:var(--accent);border-color:rgba(182,240,60,.45);background:var(--accent-soft);}

/* ---------- sections ---------- */
.section{padding:100px 0;}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:720px;margin-bottom:52px;}
.section-head h2{font-size:clamp(26px,3.4vw,34px);font-weight:700;margin-bottom:16px;}
.section-head p{color:var(--text-2);font-size:15.5px;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.18em;color:var(--accent);margin-bottom:16px;}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);display:inline-block;}

/* ---------- faq ---------- */
.faq-group{margin-bottom:52px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-title{display:flex;align-items:center;gap:16px;font-size:19px;font-weight:500;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:6px;}
.faq-group-title .idx{font-size:22px;color:var(--accent);font-weight:500;}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:20px 4px;font-size:17px;font-weight:500;color:var(--text);transition:color var(--ease),background var(--ease);}
.faq-q:hover{color:var(--accent);}
.faq-item.is-open .faq-q{color:var(--accent);}
.faq-sign{position:relative;flex:0 0 16px;width:16px;height:16px;}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;transition:transform var(--ease),opacity var(--ease);}
.faq-sign::before{width:14px;height:1.5px;transform:translate(-50%,-50%);}
.faq-sign::after{width:1.5px;height:14px;transform:translate(-50%,-50%);}
.faq-item.is-open .faq-sign::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease;}
.faq-a p{padding:0 40px 22px 4px;font-size:15px;line-height:1.8;color:var(--text-2);}
.faq-item.is-open{background:rgba(255,255,255,.022);}

/* ---------- duo blocks ---------- */
.duo{--gutter:32px;align-items:center;}
.duo-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.duo-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 420ms ease-out;}
.duo-media:hover img{transform:scale(1.04);}
.duo-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:12.5px;color:var(--text-2);background:linear-gradient(to top,rgba(7,12,26,.92),rgba(7,12,26,0));}
.duo-body{padding:6px 4px;}
.duo-body h3{font-size:22px;font-weight:500;margin-bottom:14px;}
.duo-body>p{color:var(--text-2);font-size:15.5px;margin-bottom:20px;}
.step-list li{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line-soft);}
.step-list li:first-child{border-top:0;padding-top:0;}
.step-list .s-idx{flex:0 0 30px;font-size:15px;color:var(--accent);}
.step-list b{display:block;font-weight:500;font-size:15.5px;margin-bottom:4px;}
.step-list span{display:block;font-size:14px;color:var(--text-2);line-height:1.75;}
.duo-body .link-arrow{margin-top:22px;}

/* ---------- form ---------- */
.form-card{border-radius:var(--r-lg);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:36px;box-shadow:var(--shadow);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;letter-spacing:.03em;}
.field input,.field textarea{width:100%;padding:13px 16px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:var(--text);font-size:15px;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);}
.field textarea{min-height:130px;resize:vertical;line-height:1.75;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{outline:none;border-color:rgba(182,240,60,.55);box-shadow:0 0 0 4px rgba(182,240,60,.14);background:rgba(255,255,255,.06);}
.privacy-note{font-size:12.5px;color:var(--text-3);margin-top:16px;line-height:1.7;}
.form-status{display:none;margin-top:14px;font-size:13.5px;color:var(--accent);}
.form-status.is-show{display:block;}
.form-aside{font-size:14.5px;color:var(--text-2);}
.form-aside ul{margin-top:20px;}
.form-aside li{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line-soft);font-size:14px;color:var(--text-2);}
.form-aside li:first-child{border-top:0; padding-top:0;}
.form-aside li::before{content:"";flex:0 0 6px;height:6px;margin-top:9px;border-radius:50%;background:var(--accent);}

/* ---------- cta ---------- */
.cta{position:relative;overflow:hidden;border-top:1px solid var(--line-soft);}
.cta::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.34;}
.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(to right,rgba(7,12,26,.96),rgba(7,12,26,.72));}
.cta .wrap{position:relative;z-index:2;padding-top:88px;padding-bottom:88px;}
.cta-panel{max-width:820px;margin:0 auto;text-align:center;padding:48px 40px;border-radius:var(--r-lg);border:1px solid var(--line);background:rgba(10,17,32,.66);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);}
.cta-panel h2{font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:14px;}
.cta-panel p{color:var(--text-2);font-size:15.5px;margin-bottom:28px;}

/* ---------- footer ---------- */
.site-footer{background:#060A16;border-top:1px solid var(--line);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:40px;padding-bottom:52px;}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--text-2);line-height:1.8;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:500;color:var(--text);margin-bottom:18px;letter-spacing:.06em;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block;transition:color var(--ease),transform var(--ease);}
.footer-col a:hover{color:var(--accent);transform:translateX(-2px);}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:1.8;margin-bottom:12px;max-width:300px;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line-soft);padding:22px 0 30px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.footer-bottom .dot{display:inline-block;width:3px;height:3px;border-radius:50%;background:var(--text-3);margin:0 10px;vertical-align:middle;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .nav-links{gap:22px;}
  .nav-links a{font-size:14px;}
}
@media (max-width:1023px){
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:min(330px,86vw);transform:translateX(106%);transition:transform 320ms ease-out;display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:104px 30px 40px;background:rgba(10,17,32,.94);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-left:1px solid var(--line);box-shadow:-24px 0 60px rgba(0,0,0,.5);z-index:80;overflow-y:auto;}
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{font-size:16px;letter-spacing:.12em;padding:13px 0;width:100%;border-bottom:1px solid var(--line-soft);color:var(--text-2);}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:var(--accent);}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-sm{display:none;}
  .section{padding:80px 0;}
  .hero{padding:134px 0 76px;}
  .hero-panel{padding:30px 28px;}
  .duo{--gutter:22px;}
  .footer-grid{grid-template-columns:2fr 2fr;gap:32px;}
}
@media (max-width:639px){
  .wrap{padding:0 18px;}
  .brand-text b{font-size:14.5px;}
  .brand-text span{font-size:9px;letter-spacing:.12em;}
  .hero{padding:118px 0 62px;}
  .hero::before{background-position:center 20%;}
  .hero-panel{padding:26px 20px;border-radius:var(--r-md);}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:22px;}
  .hero-meta b{font-size:22px;}
  .anchor-nav{top:64px;}
  .nav-inner{height:64px;}
  .section{padding:64px 0;}
  .section-head{margin-bottom:34px;}
  .form-card{padding:24px 20px;}
  .cta-panel{padding:34px 22px;}
  .faq-q{font-size:15.5px;padding:17px 2px;gap:14px;}
  .faq-a p{padding:0 12px 20px 2px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .duo{margin-bottom:38px;}
}
@media (max-width:360px){
  .brand-text span{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bg:#070C1A;
  --bg-alt:#0A1120;
  --bg-alt2:#0D1526;
  --accent:#B6F03C;
  --accent-soft:rgba(182,240,60,.08);
  --accent-line:rgba(182,240,60,.45);
  --glow:rgba(182,240,60,.35);
  --orange:#FF6B35;
  --text:#E8EDF7;
  --text-2:#9AA5C0;
  --text-3:#6B7590;
  --glass:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --r-lg:18px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 20px 45px rgba(0,0,0,.45);
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow",var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}
::selection{background:rgba(182,240,60,.28);color:#fff}

.wrap{max-width:1240px;margin:0 auto;padding:0 24px;width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,26,.62);
  border-bottom:1px solid var(--line-soft);
  transition:background-color .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.site-header.is-scrolled{
  background:rgba(8,13,28,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:26px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:26px;height:26px;border-radius:8px;background:var(--accent);position:relative;flex:0 0 auto;
  box-shadow:0 0 18px var(--glow);
}
.brand-mark::after{content:"";position:absolute;inset:8px 7px;border-radius:2px;background:#070C1A}
.brand-text b{display:block;font-size:15px;font-weight:700;letter-spacing:.02em;line-height:1.3}
.brand-text span{display:block;font-size:10px;letter-spacing:.18em;color:var(--text-3);line-height:1.4}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:14px}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:14px;letter-spacing:.04em;color:var(--text-2);
}
.nav-links a:hover{color:var(--text)}
.nav-links a.is-active{color:var(--text)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-sm);display:grid;place-items:center;
  color:var(--text-2);border:1px solid var(--line);transition:.22s ease;
}
.icon-btn:hover{color:var(--accent);border-color:var(--accent-line)}
.nav-toggle{display:none}
.nav-drawer-cta{display:none}
.nav-scrim{
  position:fixed;inset:0;z-index:50;background:rgba(4,7,15,.62);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.nav-scrim.is-on{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);padding:13px 24px;font-size:14px;font-weight:500;letter-spacing:.02em;
  transition:transform .24s ease-out,box-shadow .24s ease-out,background-color .24s ease,color .24s ease,border-color .24s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#08101F;box-shadow:0 0 24px var(--glow)}
.btn-primary:hover{box-shadow:0 0 40px var(--glow);transform:translateY(1px)}
.btn-ghost{border-color:rgba(182,240,60,.6);color:var(--accent);background:transparent}
.btn-ghost:hover{background:var(--accent-soft)}
.btn-sm{padding:9px 16px;font-size:13px;border-radius:10px}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;isolation:isolate;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.hero-bg{
  position:absolute;inset:0;z-index:-3;
  background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  opacity:.55;
}
.hero-veil{
  position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(180deg,rgba(7,12,26,.55) 0%,rgba(7,12,26,.90) 68%,#070C1A 100%),
    linear-gradient(90deg,rgba(7,12,26,.94) 0%,rgba(7,12,26,.55) 62%,rgba(7,12,26,.28) 100%);
}
.hero-lines{
  position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:72px 72px;
}
.crumbs{padding:30px 0 0;font-size:13px;color:var(--text-3)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:rgba(255,255,255,.22)}
.crumbs a:hover{color:var(--accent)}
.crumbs [aria-current="page"]{color:var(--text-2)}
.hero-inner{
  display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:48px;align-items:end;padding:32px 0 78px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--accent);
  padding:5px 12px;border:1px solid rgba(182,240,60,.32);border-radius:var(--r-pill);
  background:rgba(182,240,60,.06);
}
.hero-main h1{
  margin:18px 0 14px;
  font-size:clamp(30px,5vw,52px);line-height:1.15;letter-spacing:.02em;font-weight:700;
}
.lede{font-size:16px;color:var(--text-2);max-width:520px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px}
.hero-note{margin-top:18px;font-size:13px;color:var(--text-3)}
.stat-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:26px 26px 24px;box-shadow:var(--shadow);
}
.stat-tag{font-size:12px;letter-spacing:.14em;color:var(--text-3)}
.stat-num{
  font-family:var(--font-num);font-size:74px;line-height:1;font-weight:700;
  color:var(--accent);letter-spacing:-.02em;margin:12px 0 8px;
}
.stat-cap{font-size:13px;line-height:1.8;color:var(--text-2)}
.stat-mini{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
  border-top:1px solid var(--line);margin-top:20px;padding-top:16px;
}
.stat-mini b{display:block;font-family:var(--font-num);font-size:26px;line-height:1.2;color:var(--text);letter-spacing:-.02em}
.stat-mini span{font-size:12px;color:var(--text-3)}

/* ---------- 通用板块 ---------- */
.section{padding:104px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  padding-bottom:22px;margin-bottom:38px;border-bottom:1px solid var(--line);
}
.section-kicker{display:block;font-size:12px;letter-spacing:.16em;color:var(--accent);margin-bottom:10px}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;letter-spacing:.01em}
.section-head p{font-size:13px;color:var(--text-3);max-width:420px;text-align:right;line-height:1.8}

/* ---------- 榜单 ---------- */
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{
  display:grid;grid-template-columns:78px minmax(0,1fr) 230px;gap:26px;align-items:center;
  padding:22px 26px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .24s ease-out,border-color .24s ease,box-shadow .24s ease;
}
.rank-item:hover{transform:translateY(-4px);border-color:var(--accent-line);box-shadow:var(--shadow)}
.rank-item.is-top{border-color:rgba(255,107,53,.55)}
.rank-num{
  font-family:var(--font-num);font-size:46px;line-height:1;font-weight:700;
  color:rgba(232,237,247,.16);letter-spacing:-.02em;
}
.rank-item.is-top .rank-num{color:rgba(255,107,53,.78)}
.rank-body h3{font-size:19px;font-weight:500;line-height:1.5;margin-bottom:9px}
.rank-body p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:660px}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{
  display:inline-flex;align-items:center;font-size:12px;line-height:1;
  padding:5px 11px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.02);
}
.tag-accent{color:var(--accent);border-color:rgba(182,240,60,.34);background:rgba(182,240,60,.06)}
.rank-meter{display:flex;flex-direction:column;gap:9px}
.meter-value{font-family:var(--font-num);font-size:22px;letter-spacing:-.02em;color:var(--text)}
.meter-value em{font-style:normal;font-size:13px;color:var(--text-3);margin-left:2px}
.meter-track{height:3px;border-radius:2px;background:rgba(255,255,255,.10);overflow:hidden}
.meter-track span{display:block;height:100%;background:var(--accent);border-radius:2px}
.rank-item.is-top .meter-track span{background:linear-gradient(90deg,var(--orange),var(--accent))}
.meter-cap{font-size:12px;color:var(--text-3)}

/* ---------- 图文对照块 ---------- */
.block-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:24px;margin-bottom:24px}
.block-grid-rev{grid-template-columns:1fr 1.45fr}
.media-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform .24s ease-out,border-color .24s ease,box-shadow .24s ease;
}
.media-card:hover{transform:translateY(-4px);border-color:var(--accent-line);box-shadow:var(--shadow)}
.thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--bg-alt2)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.media-card:hover .thumb img{transform:scale(1.04)}
.thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,26,0) 38%,rgba(7,12,26,.78) 100%);
}
.media-body{padding:22px 24px 26px}
.media-body h3{font-size:19px;font-weight:500;line-height:1.5;margin-bottom:10px}
.media-body p{font-size:14px;line-height:1.85;color:var(--text-2)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:13px;color:var(--accent);transition:gap .22s ease;
}
.link-arrow svg{transition:transform .22s ease}
.link-arrow:hover{gap:9px}
.link-arrow:hover svg{transform:translateX(2px)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);transition:background-color .24s ease}
.faq-item.is-open{background:rgba(255,255,255,.03)}
.faq-title{margin:0;font-size:17px;font-weight:500;line-height:1.6}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 6px;text-align:left;color:var(--text);letter-spacing:.01em;
}
.faq-q:hover{color:var(--accent)}
.plus{position:relative;width:14px;height:14px;flex:0 0 auto}
.plus::before,.plus::after{content:"";position:absolute;background:var(--accent);transition:transform .24s ease}
.plus::before{left:0;right:0;top:50%;height:1.5px;transform:translateY(-50%)}
.plus::after{top:0;bottom:0;left:50%;width:1.5px;transform:translateX(-50%)}
.faq-item.is-open .plus::after{transform:translateX(-50%) scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 6px 22px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:820px}
.faq-item.is-open .faq-a{max-height:260px}

/* ---------- 尾部 CTA ---------- */
.cta-block{padding:0 0 104px}
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line);background:var(--bg-alt2);
  padding:70px 48px;text-align:center;
}
.cta-panel .cta-bg{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.png) center/cover no-repeat;
  opacity:.35;
}
.cta-panel .cta-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,26,.72) 0%,rgba(7,12,26,.94) 100%);
}
.cta-inner{position:relative;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700}
.cta-inner p{margin:14px auto 28px;font-size:15px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px}
.cta-link{font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line);padding-bottom:2px}
.cta-link:hover{color:var(--accent);border-color:var(--accent-line)}

/* ---------- 页脚 ---------- */
.site-footer{background:#070C1A;border-top:1px solid var(--line)}
.footer-grid{
  display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:36px;
  padding:76px 0 52px;
}
.footer-brand p{margin-top:18px;font-size:13px;line-height:1.85;color:var(--text-3);max-width:340px}
.footer-col h4{
  font-size:13px;font-weight:500;letter-spacing:.14em;color:var(--text-3);margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{display:inline-block;font-size:14px;color:var(--text-2);transition:transform .2s ease,color .2s ease}
.footer-col a:hover{color:var(--accent);transform:translateX(-2px)}
.footer-note{font-size:13px;line-height:1.85;color:var(--text-3);margin-bottom:12px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px solid var(--line);padding:22px 0 34px;font-size:13px;color:var(--text-3);
}
.dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.25);margin:0 9px;vertical-align:middle}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .wrap{max-width:1280px}
}
@media (max-width:1023px){
  .nav-toggle{display:grid}
  .nav-actions .btn-primary{display:none}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
    display:flex;flex-direction:column;align-items:flex-start;gap:2px;
    margin:0;padding:96px 26px 34px;overflow-y:auto;
    background:rgba(10,17,32,.94);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-left:1px solid var(--line);
    transform:translateX(102%);transition:transform .3s ease;z-index:55;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{
    width:100%;font-size:16px;letter-spacing:.1em;padding:14px 0;
    border-bottom:1px solid var(--line-soft);color:var(--text-2);
  }
  .nav-links a.is-active{color:var(--accent)}
  .nav-links a.is-active::after{display:none}
  .nav-drawer-cta{display:block;width:100%;margin-top:24px}
  .nav-drawer-cta .btn{width:100%}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:34px;padding:28px 0 64px;align-items:start}
  .section{padding:80px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head p{text-align:left;max-width:100%}
  .rank-item{grid-template-columns:60px minmax(0,1fr);gap:20px;padding:20px}
  .rank-num{font-size:36px}
  .rank-meter{grid-column:1 / -1;padding-top:6px}
  .block-grid,.block-grid-rev{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:60px 0 40px}
  .cta-block{padding:0 0 80px}
  .cta-panel{padding:56px 28px}
}
@media (max-width:640px){
  .wrap{padding:0 18px}
  .nav-inner{gap:14px;min-height:66px}
  .brand-text b{font-size:14px}
  .brand-text span{letter-spacing:.12em}
  .crumbs{padding-top:22px}
  .hero-main h1{margin:14px 0 12px}
  .stat-num{font-size:60px}
  .section{padding:64px 0}
  .rank-item{padding:18px 16px;grid-template-columns:46px minmax(0,1fr);gap:14px}
  .rank-num{font-size:30px}
  .rank-body h3{font-size:17px}
  .rank-body p{font-size:13.5px}
  .media-body{padding:18px 18px 22px}
  .faq-q{padding:18px 2px;font-size:16px}
  .faq-a p{padding:0 2px 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-panel{padding:44px 20px}
  .cta-block{padding:0 0 64px}
  .hero-actions .btn{width:100%}
}