/* roulang page: index */
:root{
  --night:#12141a;
  --night2:#181c25;
  --night3:#0d0f14;
  --lime:#d8ff3d;
  --lime-soft:rgba(216,255,61,.18);
  --orange:#ff6a3d;
  --paper:#f5f6f8;
  --card:#ffffff;
  --line:#e4e7ec;
  --header:#1f232a;
  --body:#4b5462;
  --muted:#8b93a1;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 4px 20px rgba(20,24,30,.05);
  --shadow-lg:0 16px 42px rgba(20,24,30,.09);
  --max-w:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",Arial,sans-serif;
  background:var(--paper);
  color:var(--body);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body.fixed{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;border:0;cursor:pointer;background:none}
input,textarea{font-family:inherit}
.grid-container{max-width:var(--max-w);margin:0 auto;padding-left:24px;padding-right:24px}
.grid-container.wide{max-width:1240px}
::selection{background:var(--lime);color:#111}
:focus-visible{outline:3px solid rgba(216,255,61,.7);outline-offset:2px;border-radius:4px}

/* Typography */
h1,h2,h3,h4{
  font-family:"Arial Black","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  color:var(--header);
  line-height:1.25;
  text-wrap:balance;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;text-transform:uppercase;
  color:var(--lime);background:rgba(216,255,61,.1);
  border:1px solid rgba(216,255,61,.25);
  padding:6px 14px;border-radius:30px;margin-bottom:22px;
}
.eyebrow::before{content:"";width:7px;height:7px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 4px rgba(216,255,61,.2)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-size:15px;font-weight:700;letter-spacing:.5px;
  padding:14px 26px;border-radius:10px;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
  min-height:48px;white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-lime{background:var(--lime);color:#14171d;box-shadow:0 4px 12px rgba(216,255,61,.2)}
.btn-lime:hover{background:#e5ff73;color:#10120e;transform:translateY(-2px);box-shadow:0 10px 28px rgba(216,255,61,.28)}
.btn-lime:active{transform:translateY(0)}
.btn-ghost-light{border:1px solid rgba(255,255,255,.42);color:#fff;background:transparent}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-ghost-dark{border:1px solid var(--line);color:var(--header);background:#fff}
.btn-ghost-dark:hover{border-color:var(--header);background:#fafbfc;transform:translateY(-2px)}
.btn-compact{padding:10px 20px;font-size:14px;min-height:40px;border-radius:8px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:linear-gradient(180deg,rgba(13,15,20,.9),rgba(15,17,23,.72));
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(18,20,26,.94);
  box-shadow:0 8px 30px rgba(0,0,0,.22);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:74px;
  max-width:1260px;
}
.brand-logo{display:flex;align-items:center;gap:12px;flex-shrink:0;color:#fff}
.brand-mark{
  width:44px;height:44px;border-radius:12px;
  background:var(--lime);color:#111;
  display:flex;align-items:center;justify-content:center;
  font-family:"Arial Black",sans-serif;font-size:17px;letter-spacing:-1px;
  box-shadow:0 0 0 4px rgba(216,255,61,.15),0 6px 18px rgba(216,255,61,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:19px;color:#fff;letter-spacing:.6px}
.brand-text small{
  font-size:11px;color:#b7c0cd;letter-spacing:2.4px;margin-top:3px;
  text-transform:uppercase;
}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:8px}
.nav-list a{
  position:relative;display:block;
  padding:10px 14px;color:#d6dbe3;font-size:15px;font-weight:500;
  border-radius:8px;transition:color .2s ease,background .2s ease;
}
.nav-list a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-list a.active{color:#fff}
.nav-list a.active::after{transform:scaleX(1)}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;position:relative;width:46px;height:46px;
  border-radius:10px;background:rgba(255,255,255,.06);
  align-items:center;justify-content:center;gap:5px;
  margin-left:auto;z-index:130;
}
.nav-toggle span{width:20px;height:2px;background:#fff;border-radius:3px;transition:.25s}
.nav-toggle:hover{background:rgba(255,255,255,.14)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{
  position:relative;
  background:var(--night);
  padding:112px 0 86px;
  isolation:isolate;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-size:cover;background-position:center;
  opacity:.42;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 78% 14%,rgba(216,255,61,.16),transparent 34%),
    radial-gradient(ellipse at 12% 92%,rgba(255,106,61,.18),transparent 40%),
    linear-gradient(120deg,rgba(10,12,16,.94) 0%,rgba(13,15,20,.82) 52%,rgba(18,19,26,.76) 100%);
}
.hero-wrap{position:relative;z-index:2}
.hero h1{
  color:#fff;
  font-size:clamp(32px,6vw,58px);
  font-weight:900;
  letter-spacing:-1px;
  max-width:820px;
  margin-bottom:22px;
}
.hero h1 .hl{
  color:var(--lime);
  position:relative;
  white-space:nowrap;
}
.hero-lead{
  max-width:640px;
  color:#b4bdca;
  font-size:18px;
  line-height:1.9;
  margin-bottom:24px;
}
.hero-points{
  display:flex;flex-wrap:wrap;gap:10px 24px;
  margin-bottom:38px;
}
.hero-points li{
  display:flex;align-items:center;gap:8px;
  color:#d2d8e0;font-size:14px;
}
.hero-points li::before{
  content:"";width:6px;height:6px;background:var(--lime);
  border-radius:50%;box-shadow:0 0 0 4px rgba(216,255,61,.15);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.hero-status{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;overflow:hidden;
  margin-top:56px;
}
.hero-status-item{
  background:rgba(18,22,30,.5);padding:18px 20px;
  display:flex;align-items:center;gap:12px;
}
.hero-status-icon{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(216,255,61,.14);color:var(--lime);
}
.hero-status-icon svg{width:19px;height:19px}
.hero-status-label{font-size:14px;color:#e3e7ec;line-height:1.4}
.hero-status-label small{display:block;font-size:12px;color:#8fa0b2;margin-top:2px}

/* Section base */
.section{padding:92px 0}
.section-lite{background:#fff}
.section-tint{background:#f7f8fa}
.section-dark{
  background:var(--night);
  color:#b6bfcd;
}
.section-head{margin-bottom:48px}
.section-head.center{text-align:center}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--orange);font-size:13px;font-weight:700;
  letter-spacing:3px;margin-bottom:12px;
}
.section-kicker::before{content:"";width:18px;height:2px;background:var(--orange)}
.section-head.center .section-kicker::after{content:"";width:18px;height:2px;background:var(--orange)}
.section-title{
  font-size:clamp(26px,3.6vw,39px);
  line-height:1.25;
  margin-bottom:16px;
}
.section-title em{color:var(--orange);font-style:normal}
.section-desc{font-size:16px;color:var(--muted);max-width:760px}
.section-head.center .section-desc{margin-left:auto;margin-right:auto}

/* chips / tags */
.tag{
  display:inline-block;padding:5px 11px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.5px;
  background:#eef0f3;color:#5b6470;
}
.tag-lime{background:rgba(216,255,61,.2);color:#39410b}
.tag-orange{background:rgba(255,106,61,.15);color:#b23a1e}
.tag-dark{background:rgba(255,255,255,.14);color:#f2f5f8}

/* Trust strip */
.trust-strip{background:#fff;padding:64px 0;border-bottom:1px solid var(--line)}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.trust-item{
  display:flex;gap:15px;
  background:#fbfbfc;border:1px solid var(--line);
  border-radius:14px;padding:22px 20px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.trust-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6dae1}
.trust-icon{
  width:46px;height:46px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(216,255,61,.2);color:#20281d;font-size:21px;
}
.trust-item h3{font-size:17px;margin-bottom:5px}
.trust-item p{font-size:14px;color:var(--muted);line-height:1.6}

/* News section */
.news-section{padding:88px 0;background:#fff}
.section-line{
  display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap;
  margin-bottom:36px;
}
.view-all{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--header);font-weight:600;font-size:15px;
  padding-bottom:6px;border-bottom:2px solid var(--lime);transition:gap .2s;
}
.view-all:hover{gap:13px;color:var(--orange)}
.news-layout{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:22px}

.feature-card,.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:box-shadow .25s ease,transform .25s ease;
}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.feature-card .card-body{padding:24px 24px 22px}
.feature-media{position:relative;height:300px;overflow:hidden;background:var(--night)}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature-card:hover .feature-media img{transform:scale(1.04)}
.feature-media .tag{position:absolute;left:18px;top:18px}
.card-title{
  font-size:22px;color:var(--header);line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;
  overflow:hidden;margin:12px 0 10px;
}
.card-desc{
  color:var(--muted);font-size:15px;
  display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:14px;margin-top:18px;padding-top:14px;border-top:1px solid #f0f2f5;font-size:13px;color:var(--muted)}
.card-meta time{display:flex;align-items:center;gap:6px}
.card-meta time::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(216,255,61,.18)}

.news-side-list{display:grid;grid-template-columns:1fr;gap:22px}
.news-card{display:flex;flex-direction:column}
.news-card .card-body{padding:20px 20px 16px;display:flex;flex-direction:column;flex:1}
.news-card .card-title{font-size:17px;margin:9px 0 7px;-webkit-line-clamp:2;line-clamp:2}
.news-card .card-desc{font-size:13px;-webkit-line-clamp:2;line-clamp:2}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.empty-state{
  grid-column:1/-1;background:#fbfbfc;border:1px dashed #d7dae1;
  border-radius:var(--radius);min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  color:var(--muted);
}
.empty-icon{width:52px;height:52px;border-radius:14px;background:#edf0f3;display:flex;align-items:center;justify-content:center;font-size:24px}

/* Guide steps */
.guide-section{padding:88px 0;background:#fff}
.guide-grid{
  display:grid;grid-template-columns:minmax(0,0.95fr) minmax(0,1.05fr);
  gap:52px;align-items:center;
}
.guide-visual{position:relative;padding:22px}
.guide-visual::before{
  content:"";position:absolute;inset:0;
  background:var(--night);border-radius:26px;transform:rotate(3deg);
}
.guide-visual img{
  position:relative;z-index:2;
  border-radius:18px;box-shadow:var(--shadow-lg);
  width:100%;aspect-ratio:4/3;object-fit:cover;
}
.guide-visual-tag{
  position:absolute;z-index:3;right:8px;bottom:14px;
  background:var(--lime);color:#111;font-size:14px;font-weight:800;
  padding:12px 18px;border-radius:12px 0 12px 0;
  box-shadow:0 10px 20px rgba(0,0,0,.18);
}
.steps-list{display:flex;flex-direction:column;gap:26px}
.step-item{display:flex;gap:18px;align-items:flex-start}
.step-num{
  flex:0 0 50px;height:50px;border-radius:14px;
  background:var(--lime);color:#121212;
  font-size:19px;font-weight:900;
  display:flex;align-items:center;justify-content:center;
  font-family:"Arial Black",sans-serif;letter-spacing:-.5px;
  box-shadow:0 6px 15px rgba(216,255,61,.2);
}
.step-body{flex:1}
.step-body h3{font-size:20px;margin-bottom:6px}
.step-body p{font-size:15px;color:var(--muted);line-height:1.8}

/* Data / stats dark */
.stats-section{padding:76px 0;position:relative}
.stats-inner{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.1);border-radius:18px;
  overflow:hidden;
}
.stat-cell{
  background:#151821;padding:48px 24px;text-align:center;
  transition:background .25s ease;
}
.stat-cell:hover{background:#1b202b}
.stat-num{
  font-family:"Arial Black",sans-serif;
  font-size:clamp(30px,4vw,53px);
  color:#fff;letter-spacing:0;line-height:1.15;
  margin-bottom:10px;
}
.stat-num b{color:var(--lime);font-weight:inherit}
.stat-sub{color:#d4dae2;font-size:16px;font-weight:600;margin-bottom:10px}
.stat-note{color:#778290;font-size:14px;line-height:1.8;padding:0 16px}
.stats-foot{text-align:center;color:#778290;font-size:13px;margin-top:24px}

/* Quotes */
.quotes-section{padding:88px 0;background:#f7f8fa}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px 22px;position:relative;
  transition:box-shadow .2s ease,transform .2s ease;
}
.quote-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.quote-mark{
  font-family:"Arial Black",sans-serif;font-size:44px;line-height:1;
  color:var(--lime);text-shadow:0 2px 0 var(--night);
  margin-bottom:8px;
}
.quote-text{color:#48515e;font-size:15px;line-height:1.8;margin-bottom:18px}
.quote-user{display:flex;align-items:center;gap:11px;border-top:1px solid #eef0f3;padding-top:16px}
.quote-avatar{
  width:37px;height:37px;border-radius:50%;
  background:var(--night);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:13px;flex-shrink:0;
}
.quote-name{font-size:14px;color:var(--header);font-weight:700}
.quote-role{font-size:12px;color:var(--muted)}

/* FAQ */
.faq-section{padding:90px 0;background:#fff}
.faq-grid{display:grid;grid-template-columns:0.92fr 1.08fr;gap:60px}
.faq-intro-title{font-size:clamp(25px,3vw,34px);margin-bottom:18px}
.faq-contact{
  margin-top:24px;background:#fbfbfc;border:1px solid var(--line);
  border-radius:14px;padding:20px;
  font-size:14px;color:var(--muted);
}
.faq-accordion{display:flex;flex-direction:column;gap:13px}
.faq-item{
  background:#fbfbfc;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;transition:border-color .2s;
}
.faq-item.active{border-color:#cfd4db;background:#fff;box-shadow:var(--shadow)}
.faq-q{
  display:flex;align-items:center;gap:16px;justify-content:space-between;
  width:100%;text-align:left;padding:19px 22px 0;
  font-size:17px;font-weight:700;color:var(--header);
  min-height:58px;
}
.faq-q .faq-icon{
  position:relative;width:20px;height:20px;flex-shrink:0;
}
.faq-q .faq-icon::before,.faq-q .faq-icon::after{
  content:"";position:absolute;inset:0;margin:auto;
  background:#a3aab5;width:14px;height:2px;border-radius:3px;
  transition:transform .2s ease,background .2s ease;
}
.faq-q .faq-icon::after{transform:rotate(90deg)}
.faq-item.active .faq-q .faq-icon::before{transform:rotate(45deg);background:var(--orange)}
.faq-item.active .faq-q .faq-icon::after{transform:rotate(-45deg);background:var(--orange)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-item.active .faq-a{max-height:520px}
.faq-a-inner{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.9;margin-top:5px}

/* CTA */
.cta-section{
  position:relative;padding:92px 0;text-align:center;
  background-color:var(--night);
  background-image:
    radial-gradient(circle at 22% 30%,rgba(216,255,61,.13),transparent 36%),
    radial-gradient(circle at 83% 78%,rgba(255,106,61,.13),transparent 34%);
}
.cta-inner{max-width:740px;margin:0 auto}
.cta-inner h2{color:#fff;font-size:clamp(26px,4vw,43px);line-height:1.3;margin-bottom:18px}
.cta-inner h2 em{color:var(--lime);font-style:normal}
.cta-inner p{margin:0 auto 34px;color:#aeb6c3;font-size:17px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* Footer */
.site-footer{background:var(--night);color:#aeb6c2}
.footer-line{
  display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid rgba(255,255,255,.1);
  padding:32px 0;
}
.footer-copy{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;
  padding:42px 0 34px;
}
.footer-brand p{font-size:14px;margin-top:14px;color:#7b8594;line-height:1.8;max-width:420px}
.footer-col h4{
  color:#fff;font-size:16px;margin-bottom:16px;
  display:flex;align-items:center;gap:9px;
}
.footer-col h4::before{content:"";width:7px;height:7px;background:var(--lime);border-radius:2px}
.footer-col ul li{margin-bottom:9px}
.footer-col ul a{font-size:14px;color:#93a0af;transition:color .2s,padding-left .2s}
.footer-col ul a:hover{color:var(--lime);padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  background:var(--night3);
  padding:22px 0;font-size:13px;color:#64707f;
}
.footer-bottom .grid-container{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.back-top{
  position:fixed;right:24px;bottom:26px;z-index:99;
  background:var(--lime);color:#111;
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(216,255,61,.28);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{transform:translateY(-4px)}
.back-top svg{width:19px;height:19px}

/* Mobile media */
@media screen and (max-width:1023px){
  .section{padding:68px 0}
  .hero h1{font-size:42px;letter-spacing:-.4px}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .guide-grid{gap:30px}
  .faq-grid{grid-template-columns:1fr;gap:34px}
}

@media screen and (max-width:820px){
  .section{padding:56px 0}
  .header-inner{height:68px}
  .main-nav{
    position:fixed;inset:0;background:rgba(14,16,21,.97);
    backdrop-filter:blur(16px);
    z-index:105;display:flex;
    align-items:center;justify-content:center;
    margin-left:0;
    opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
  }
  .main-nav.is-open{opacity:1;visibility:visible}
  .nav-list{flex-direction:column;gap:10px;padding:0 24px}
  .nav-list a{
    font-size:20px;padding:12px 8px;color:#d8dce3;
  }
  .nav-list a.active{color:var(--lime)}
  .nav-list a.drop-shadow::after{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .hero{text-align:left;padding:82px 0 52px}
  .hero-status{grid-template-columns:1fr;margin-top:42px}
  .hero-actions .btn{width:100%;justify-content:center}
  .news-layout{grid-template-columns:1fr}
  .feature-media{height:205px}
  .quote-grid{grid-template-columns:1fr}
  .footer-copy{grid-template-columns:1fr;gap:28px;padding:34px 0 26px}
  .footer-line{flex-direction:column;gap:10px;align-items:flex-start;padding:22px 0}
  .view-all{margin-top:14px}
}

@media screen and (max-width:560px){
  .grid-container{padding-left:18px;padding-right:18px}
  .hero{padding:64px 0 44px}
  .hero h1{font-size:31px;line-height:1.3}
  .hero h1 .hl{white-space:normal}
  .hero-lead{font-size:16px}
  .trust-grid{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr;gap:26px}
  .guide-visual{padding:13px}
  .stats-inner{grid-template-columns:1fr}
  .stat-cell{padding:34px 22px}
  .step-item{gap:13px}
  .step-num{flex-basis:42px;height:42px;font-size:16px;border-radius:10px}
  .section-title{font-size:24px}
  .card-title{font-size:18px}
  .brand-text small{font-size:10px}
  .brand-mark{width:38px;height:38px;border-radius:10px;font-size:15px}
  .btn{width:100%;justify-content:center}
  .button-fill,.cta-actions .btn{width:100%}
  .faq-q{font-size:16px;padding:17px 16px 0}
  .faq-a-inner{padding:0 16px 18px}
  .back-top{right:16px;bottom:18px}
}

/* roulang page: category1 */
:root {
  --bg-body: #F5F6F8;
  --bg-card: #FFFFFF;
  --bg-dark: #12141A;
  --bg-dark-soft: #1B1E26;
  --bg-light-gray: #F0F2F5;
  --brand-lime: #D8FF3D;
  --brand-lime-dark: #C4F024;
  --signal-orange: #FF6A3D;
  --text-title: #1F232A;
  --text-body: #4D5560;
  --text-meta: #8B93A1;
  --border-light: #E4E7EC;
  --border-dark: rgba(255, 255, 255, 0.14);
  --radius-card: 14px;
  --radius-btn: 8px;
  --radius-tag: 4px;
  --shadow-card: 0 4px 20px rgba(20, 24, 30, 0.06);
  --shadow-hover: 0 12px 32px rgba(20, 24, 30, 0.1);
  --font-display: "Arial Black", "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --space-lg: 80px;
  --space-md: 48px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font-body); border: none; background: none; cursor: pointer; }
input, textarea { font-family: var(--font-body); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-pad {
  padding: var(--space-lg) 0;
}
@media (max-width: 768px) {
  .section-pad { padding: 64px 0; }
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 120;
  background: rgba(18, 20, 26, 0.98);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all .3s ease;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  min-height: 72px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--brand-lime);
  color: #161A1F;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  border-radius: 8px;
  letter-spacing: -0.5px;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-text strong {
  color: #FFFFFF;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.brand-text small {
  color: var(--brand-lime);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.3em;
}
.main-nav {
  display: flex;
  align-items: center;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
}
.nav-list li {
  margin: 0;
}
.nav-list a {
  display: block;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 500;
  position: relative;
  transition: all .25s ease;
  letter-spacing: .02em;
}
.nav-list a:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.06);
}
.nav-list a.active {
  color: #FFFFFF;
  font-weight: 600;
}
.nav-list a.active::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  background: var(--brand-lime);
  border-radius: 2px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 14px 36px;
  transition: all .25s ease;
  text-decoration: none;
  line-height: 1.2;
}
.btn-lime {
  background: var(--brand-lime) !important;
  color: #161A1F !important;
  border: 1px solid var(--brand-lime);
}
.btn-lime:hover {
  background: #E1FF5E !important;
  box-shadow: 0 8px 24px rgba(216, 255, 61, 0.18);
}
.btn-ghost {
  background: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}
.btn-compact {
  padding: 10px 22px !important;
  font-size: 14px;
}
.nav-cta {
  flex-shrink: 0;
  margin-left: 16px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  justify-content: center;
  align-items: center;
  background: transparent;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #FFFFFF;
  border-radius: 2px;
  transition: all .3s 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);
}

@media (max-width: 1024px) {
  .nav-list a { padding: 8px 12px; font-size: 14px; }
  .btn-compact.nav-cta { display: none; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .site-header .header-inner { height: 64px; min-height: 64px; }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: rgba(18, 20, 26, 0.98);
    max-height: 0;
    overflow: hidden;
    transition: max-height .38s ease;
    z-index: 110;
    backdrop-filter: blur(14px);
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .main-nav.open {
    max-height: 480px;
  }
  .nav-list {
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 2px;
  }
  .nav-list a {
    padding: 14px 8px;
    font-size: 17px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.88);
    width: 100%;
    border-radius: 0;
  }
  .nav-list a.active::after { display: none; }
  .nav-list a.active { color: var(--brand-lime); }
  .brand-text strong { font-size: 17px; }
  .brand-text small { font-size: 11px; }
}

/* ===== Page Hero (分类封面区) ===== */
.cat-hero {
  position: relative;
  background: var(--bg-dark);
  padding: 170px 0 92px;
}
.cat-hero .cat-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-2.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.24;
}
.cat-hero .cat-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(18,20,26,0.94) 0%, rgba(18,20,26,0.72) 60%, rgba(18,20,26,0.88) 100%);
}
.cat-hero .container {
  position: relative;
  z-index: 2;
}
.cat-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.56);
  align-items: center;
  margin-bottom: 28px;
}
.cat-breadcrumb a { color: rgba(255,255,255,0.7); transition: color .2s; }
.cat-breadcrumb a:hover { color: var(--brand-lime); }
.cat-breadcrumb .sep { color: rgba(255,255,255,0.3); }
.cat-breadcrumb .current { color: rgba(255,255,255,0.86); }
.cat-hero h1 {
  font-family: var(--font-display);
  color: #FFFFFF;
  font-size: 42px;
  line-height: 1.24;
  letter-spacing: -1px;
  margin: 0 0 16px;
  max-width: 720px;
  text-shadow: 0 4px 30px rgba(0,0,0,.3);
}
.cat-hero h1 .hero-mark {
  color: var(--brand-lime);
}
.cat-hero p.lead {
  font-size: 17px;
  color: rgba(255,255,255,0.82);
  max-width: 680px;
  margin-bottom: 12px;
  line-height: 1.8;
}
.cat-hero .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 5px 14px;
  border-radius: 24px;
}
.hero-tag i {
  color: var(--brand-lime);
  font-size: 12px;
}

@media (max-width: 768px) {
  .cat-hero { padding: 148px 0 64px; }
  .cat-hero h1 { font-size: 30px; }
  .cat-hero p.lead { font-size: 15px; }
}

/* ===== 左右图文模块 (板块二) ===== */
.mod-split {
  background: var(--bg-card);
}
.split-list {
  display: flex;
  flex-direction: column;
  gap: 44px;
}
.split-row {
  display: flex;
  align-items: center;
  gap: 48px;
  background: var(--bg-light-gray);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
}
.split-row:hover {
  box-shadow: var(--shadow-hover);
}
.split-row .split-media {
  flex: 0 0 47%;
}
.split-row .split-media img {
  width: 100%;
  height: 290px;
  object-fit: cover;
  transition: transform .6s ease;
}
.split-row:hover .split-media img {
  transform: scale(1.03);
}
.split-row .split-content {
  flex: 1;
  padding: 36px 40px 36px 0;
}
.split-row .split-content p {
  line-height: 1.75;
  margin-bottom: 8px;
}
.sec-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: #4D5A6A;
  background: rgba(216, 255, 61, 0.24);
  border-radius: 30px;
  padding: 5px 16px;
  margin-bottom: 18px;
}
.split-content h2,
.section-title-block h2 {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--text-title);
  line-height: 1.4;
  margin-bottom: 14px;
}
.split-content h2 {
  font-size: 25px;
}
.split-content p { font-size: 15px; color: var(--text-body); }
.tag-line-list {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tag-line-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: #3E4653;
}
.tag-line-list li i {
  color: #A5D10D;
  font-size: 14px;
  margin-top: 4px;
}
@media (max-width: 768px) {
  .split-row { flex-direction: column; gap: 0; }
  .split-row .split-media { width: 100%; flex: none; }
  .split-row .split-media img { height: 220px; }
  .split-row .split-content { padding: 26px 24px; }
}

/* ===== 深色统计 ===== */
.dark-stat-section {
  background: var(--bg-dark);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.dark-stat-section::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216,255,61,0.1) 0%, transparent 70%);
  top: -240px;
  right: -100px;
  pointer-events: none;
}
.stat-header {
  text-align: center;
  margin-bottom: 40px;
}
.stat-header h2 {
  font-family: var(--font-display);
  color: #ffffff;
  font-size: 32px;
  margin-bottom: 8px;
}
.stat-header p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
}
.stat-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  list-style: none;
  gap: 0;
  text-align: center;
}
.stat-grid li {
  flex: 1 1 0;
  min-width: 190px;
  padding: 28px 26px;
  border-right: 1px solid rgba(255,255,255,.1);
}
.stat-grid li:last-child { border-right: 0; }
.stat-grid .stat-num {
  font-family: var(--font-display);
  font-size: 52px;
  color: var(--brand-lime);
  font-weight: 800;
  display: block;
  letter-spacing: -1px;
  line-height: 1.2;
}
.stat-grid h3 {
  color: #ffffff;
  font-size: 17px;
  font-weight: 600;
  margin: 10px 0 4px;
}
.stat-grid p { color: rgba(255,255,255,.5); font-size: 13px; margin-bottom: 0; }
.stat-note {
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.36);
  margin-top: 28px;
}
@media (max-width: 768px) {
  .stat-grid li { flex-wrap: wrap; min-width: 50%; border-top: 1px solid rgba(255,255,255,.1); border-right: 0; }
  .stat-header h2 { font-size: 24px; }
}

/* ===== 场景模块 (风格接近index不同) ===== */
.scene-section {
  background: var(--bg-body);
}
.scene-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 44px;
}
.scene-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 34px 28px;
  box-shadow: var(--shadow-card);
  transition: all .3s ease;
}
.scene-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.scene-icon {
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(216,255,61,.2);
  border-radius: 14px;
  color: #161A1F;
  font-size: 24px;
  margin-bottom: 22px;
}
.scene-card h3 {
  font-size: 18px;
  color: var(--text-title);
  margin-bottom: 12px;
  font-weight: 700;
}
.scene-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 0;
}
.scene-card ul {
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.scene-card li {
  font-size: 14px;
  color: var(--text-meta);
  padding-left: 22px;
  position: relative;
}
.scene-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--brand-lime-dark);
  font-weight: 700;
  font-size: 13px;
}
@media (max-width: 1024px) {
  .scene-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .scene-cards { grid-template-columns: 1fr; }
}

/* ===== 分段指引 (模拟步骤) ===== */
.step-guide-section {
  background: var(--bg-card);
}
.steps-wrap {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  counter-reset: step-counter;
  max-width: 860px;
}
.step-item {
  display: flex;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-light);
  position: relative;
}
.step-item:first-child { border-top: 1px solid var(--border-light); }
.step-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--brand-lime);
  color: #161A1F;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: .02em;
}
.step-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 6px;
}
.step-body p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-body);
  max-width: 640px;
  margin-bottom: 0;
}
@media (max-width: 768px) {
  .step-item { flex-direction: column; gap: 14px; }
  .step-num { width: 40px; height: 40px; }
}

/* ===== FAQ 区 ===== */
.faq-section {
  background: var(--bg-light-gray);
}
.faq-wrap {
  display: flex;
  gap: 50px;
  align-items: flex-start;
}
.faq-left {
  flex: 0 0 340px;
  position: sticky;
  top: 110px;
}
.faq-left h2 {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--text-title);
  margin-bottom: 18px;
}
.faq-left p {
  font-size: 15px;
  color: var(--text-meta);
  line-height: 1.8;
}
.faq-wrap .faq-left .sec-eyebrow { margin-bottom: 12px; }
.faq-list {
  flex: 1;
  background: var(--bg-light-gray);
}
.faq-list .accordion-title, .faq-accordion .accordion-title {
  background: transparent;
  border: 1px solid var(--border-light) !important;
  border-radius: 10px !important;
  padding: 18px 44px 18px 20px !important;
  font-size: 16px !important;
  color: var(--text-title) !important;
  font-weight: 600;
  margin: 0 0 10px !important;
  position: relative;
  transition: all .25s ease;
}
.faq-list .accordion-title:hover {
  border-color: var(--brand-lime-dark) !important;
}
.faq-list .accordion-title::after {
  content: '\f067' !important;
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--text-title);
  right: 18px !important;
  margin-top: -7px !important;
  transition: transform .3s ease;
}
.faq-list .is-active > .accordion-title {
  background: #161A1F !important;
  color: #ffffff !important;
  border-color: #161A1F !important;
}
.faq-list .is-active > .accordion-title::after {
  content: '\f068' !important;
  color: var(--brand-lime);
}
.faq-list .accordion-content {
  background: transparent !important;
  border: 0 !important;
  padding: 2px 4px 18px !important;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
}
.faq-list .accordion-content p {
  padding: 14px 18px;
  background: var(--bg-card);
  border-radius: 8px;
  margin: 0 0 14px 0;
}
@media (max-width: 1024px) {
  .faq-wrap { flex-direction: column; gap: 30px; }
  .faq-left { flex: 1; position: static; width: 100%; }
  .faq-list { width: 100%; }
}

/* ===== 立即前往 CTA ===== */
.cta-panel {
  background: var(--bg-dark);
  position: relative;
  padding: 108px 0;
  text-align: center;
  overflow: hidden;
}
.cta-panel .container { position: relative; z-index: 3; }
.cta-panel::before {
  content: '';
  position: absolute;
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, rgba(216,255,61,.14) 0%, transparent 60%);
  top: -260px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
}
.cta-panel h2 {
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 34px;
  letter-spacing: -.5px;
  margin-bottom: 24px;
}
.cta-panel p {
  color: rgba(255,255,255,.68);
  font-size: 18px;
  margin-bottom: 38px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
}
@media (max-width: 768px) {
  .cta-panel { padding: 70px 0; }
  .cta-panel h2 { font-size: 26px; }
  .cta-panel p { font-size: 15px; }
  .cta-actions { flex-direction: column; gap: 14px; align-items: center; }
  .cta-actions .btn { width: 100%; max-width: 340px; }
}

/* ===== Footer ===== */
.site-footer {
  background: #12141A;
  border-top: 1px solid rgba(255,255,255,.06);
}
.site-footer .footer-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.site-footer .brand-logo .brand-text strong { color: #ffffff; }
.site-footer .footer-copy {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  padding: 48px 0 30px;
}
.site-footer .footer-brand {
  flex: 1 1 340px;
  padding-right: 20px;
}
.site-footer .footer-brand h3 {
  color: #ffffff;
  font-size: 18px;
  margin-bottom: 10px;
}
.site-footer p {
  color: #8B93A1;
  font-size: 14px;
  line-height: 1.75;
}
.site-footer .footer-brand p {
  margin-bottom: 0;
}
.site-footer .footer-col {
  flex: 1 1 160px;
  min-width: 130px;
}
.site-footer h4 {
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: .08em;
}
.site-footer .footer-col li {
  padding: 5px 0;
}
.site-footer .footer-col li a,
.site-footer .footer-col li a:link {
  color: #8B93A1;
  font-size: 14px;
  transition: color .2s ease;
}
.site-footer .footer-col li a:hover {
  color: var(--brand-lime);
}
.footer-bottom {
  padding: 26px 0;
  border-top: 1px solid rgba(255,255,255,.06);
  text-align: center;
}
.footer-bottom .grid-container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom span, .footer-bottom a {
  color: rgba(255,255,255,.4);
  font-size: 13px;
}
.tag-dark {
  background: rgba(255,255,255,0.08) !important;
  color: rgba(255,255,255,.62) !important;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 30px;
  font-size: 13px !important;
  padding: 4px 12px;
}
.brand-logo .tag-dark {
  display: inline-flex;
  padding: 6px 16px;
}
@media (max-width: 768px) {
  .footer-bottom .grid-container { justify-content: center; }
  .site-footer .footer-copy { gap: 28px; padding: 32px 0 20px; }
}

/* ===== Scroll top ===== */
.back-top {
  width: 44px;
  height: 44px;
  position: fixed;
  bottom: 34px;
  right: 34px;
  background: var(--brand-lime);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #161A1F;
  font-size: 16px;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: all .3s ease;
  box-shadow: 0 6px 18px rgba(0,0,0,.18);
}
.back-top.show {
  opacity: 1;
  visibility: visible;
}
.back-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0,0,0,.24);
}

/* Foundation Accordion 修正 */
.accordion { list-style: none; margin-left: 0; }
.accordion-content { display: none; }
.accordion-content.is-active { display: block; }
.accordion-title { display: block; }

/* 视觉嵌套优先级 */
.main-nav .active[aria-current="page"] { color: #ffffff; }

/* roulang page: article */
:root {
  --bg: #F5F6F8;
  --surface: #FFFFFF;
  --surface-soft: #F0F2F5;
  --deep: #12141A;
  --deep-2: #1A1D24;
  --lime: #D8FF3D;
  --lime-soft: #E4FF7A;
  --orange: #FF6A3D;
  --ink: #1F232A;
  --body: #4D5560;
  --muted: #8B93A1;
  --line: #E4E7EC;
  --line-dark: rgba(255,255,255,.10);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 6px 24px rgba(20, 24, 30, .07);
  --shadow-lg: 0 14px 40px rgba(20, 24, 30, .10);
  --space-section: 90px;
  --font-title: "Arial Black", "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Arial", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin:0; padding:0; background: var(--bg); color: var(--body); font-family: var(--font-body); line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width:100%; display:block; }
a { color: inherit; text-decoration: none; transition: color .2s ease, opacity .2s ease; }
a:hover { color: var(--ink); }
ul, ol { margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,h5,h6 { margin:0; font-family:var(--font-title); color:var(--ink); line-height:1.3; }
p { margin:0 0 16px 0; }
.container, .grid-container { max-width:1200px; margin:0 auto; padding-left:24px; padding-right:24px; }
button { cursor:pointer; font-family:var(--font-body); }
@media screen and (max-width:640px){
  .container, .grid-container { padding-left:16px; padding-right:16px; }
}
::selection { background: var(--lime); color: var(--ink); }
a:focus-visible, button:focus-visible { outline:3px solid rgba(216,255,61,.45); outline-offset:3px; border-radius:4px; }

/* ========== Buttons & Badges ========== */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:48px; padding:0 28px; border-radius:8px; font-weight:600;
  font-size:15px; letter-spacing:1px; border:1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn-lime { background: var(--lime); color: var(--ink); }
.btn-lime:hover { background: var(--lime-soft); color: #15181d; box-shadow: 0 10px 28px rgba(216,255,61,.25); transform: translateY(-2px); }
.btn-outline { border:1px solid var(--line); background:#fff; color:#2A2F37; }
.btn-outline:hover { border-color:#B9C0CB; background:#F8FAFC; box-shadow:var(--shadow); transform: translateY(-2px); }
.btn-dark { border:1px solid rgba(255,255,255,.2); background:transparent; color:#fff; }
.btn-dark:hover { background: rgba(255,255,255,.1); color:#fff; border-color:#fff; transform: translateY(-2px); }
.btn-sm { height:42px; padding:0 18px; font-size:14px; }
.btn-compact { height:40px; }
.btn-block { width:100%; }
.btn:active { transform: translateY(0); }
.btn-white { background:#fff; color:var(--ink); }
.btn-white:hover { background:#F7F9F2; }

.tag { display:inline-flex; align-items:center; gap:7px; padding:6px 12px; border-radius:999px; font-size:12px; font-weight:600; letter-spacing:.5px; }
.tag-lime { background:rgba(216,255,61,.16); color:#8CA43A; border:1px solid rgba(216,255,61,.4); }
.tag-orange { background:rgba(255,106,61,.12); color:#E64D2F; }
.tag-dark { background:rgba(255,255,255,.06); color:#B8BFCB; border:1px solid var(--line-dark); font-family:ui-monospace, SFMono-Regular, Menlo, monospace; }
.dot-lime { width:8px; height:8px; background:var(--lime); border-radius:50%; display:inline-block; box-shadow:0 0 0 3px rgba(216,255,61,.18); }
.dot-orange { width:8px; height:8px; background:var(--orange); border-radius:50%; display:inline-block; }

/* ========== Site Header ========== */
.site-header {
  position: sticky; top:0; left:0; width:100%;
  background: rgba(18,20,26,.93); backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line-dark); z-index:100;
  transition: background .25s ease, box-shadow .25s ease;
}
.header-inner { display:flex; align-items:center; justify-content:space-between; height:72px; gap:24px; }
.brand-logo { display:flex; align-items:center; gap:11px; flex-shrink:0; }
.brand-mark {
  width:40px; height:40px; background:var(--lime); border-radius:9px; color:#171B21;
  font-family:var(--font-title); font-size:15px; font-weight:900; display:flex; align-items:center; justify-content:center;
  box-shadow:0 0 0 4px rgba(216,255,61,.12); letter-spacing:-.3px;
}
.brand-text { display:flex; flex-direction:column; line-height:1.05; }
.brand-text strong { color:#fff; font-size:17px; letter-spacing:.2px; font-family:var(--font-title); }
.brand-text small { color:#8b93a1; font-size:11px; letter-spacing:2px; margin-top:4px; }
.main-nav { display:flex; }
.nav-list { display:flex; align-items:center; gap:4px; }
.nav-list a {
  display:block; padding:10px 16px; color:#c8ced9; font-size:15px; border-radius:8px;
  position:relative; font-weight:500; white-space:nowrap; transition: background .2s ease, color .2s ease;
}
.nav-list a:hover { color:#fff; background:rgba(255,255,255,.05); }
.nav-list a.active { color:#fff; font-weight:600; }
.nav-list a.active::after {
  content:""; position:absolute; left:50%; transform:translateX(-50%); bottom:2px;
  width:20px; height:3px; background:var(--lime); border-radius:99px;
  box-shadow:0 0 12px rgba(216,255,61,.6);
}
.nav-toggle { display:none; width:44px; height:44px; background:transparent; border:none; padding:11px 8px; margin-left:auto; }
.nav-toggle span { display:block; height:2px; margin:5px 0; background:#fff; border-radius:4px; }
@media screen and (max-width:1024px){
  .site-header { position: sticky; }
  .header-inner { height:64px; flex-wrap:wrap; }
  .nav-cta { display:none; }
  .nav-toggle { display:block; }
  .main-nav {
    position:fixed; top:0; left:0; width:100%; height:100%;
    background:rgba(12,14,18,.97); align-items:flex-start; justify-content:flex-end;
    z-index:250; padding:104px 34px 40px; display:block; visibility:hidden; opacity:0;
    transform:translateY(-8px); transition:opacity .28s ease, transform .28s ease, visibility .28s;
  }
  .main-nav.open { visibility:visible; opacity:1; transform:translateY(0); }
  .nav-list { display:flex; flex-direction:column; align-items:flex-start; gap:8px; }
  .nav-list a { font-size:20px; padding:12px 6px; width:100%; color:#F1F3F6; border-bottom:1px solid rgba(255,255,255,.08); border-radius:0; }
  .nav-list a.active { color:var(--lime); }
  .nav-list a.active::after { left:0; top:50%; transform:translateY(-50%); bottom:auto; width:4px; height:22px; }
}
@media screen and (max-width:1024px) {
  .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); }
  .nav-toggle span { transition: transform .2s ease, opacity .2s ease; }
}

/* ========== Article Banner ========== */
.article-banner {
  background: #12141A url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  min-height:300px; display:flex; align-items:center; position:relative; overflow:hidden;
}
.article-banner::before {
  content:""; position:absolute; inset:0;
  background: linear-gradient(100deg, rgba(12,14,18,.94) 0%, rgba(12,14,18,.78) 46%, rgba(12,14,18,.42) 100%);
}
.article-banner .grid-container { position:relative; z-index:2; width:100%; text-align:left; padding-top:54px; padding-bottom:56px; }
.banner-eyebrow { display:flex; align-items:center; flex-wrap:wrap; gap:12px; margin-bottom:18px; }
.banner-eyebrow .line { display:inline-block; width:26px; height:3px; background:var(--lime); border-radius:99px; }
.banner-kicker { color:var(--lime); font-size:13px; letter-spacing:2.5px; font-weight:600; text-transform:uppercase; }
.banner-text { max-width:780px; }
.banner-text h2 { color:#fff; font-size:32px; line-height:1.32; margin:8px 0 6px; }
.banner-text p { color:rgba(255,255,255,.76); font-size:17px; margin:10px 0 0; }
.banner-meta { display:flex; flex-wrap:wrap; gap:28px; margin-top:20px; color:rgba(255,255,255,.62); font-size:13px; align-items:center; }
@media screen and (max-width:640px){
  .article-banner { min-height:0; }
  .article-banner .grid-container { padding-top:34px; padding-bottom:44px; }
  .banner-text h2 { font-size:24px; }
  .banner-text p { font-size:15px; }
}

/* ========== Breadcrumb ========== */
.breadcrumb { display:flex; flex-wrap:wrap; align-items:center; gap:8px; font-size:13px; color:#A7AEB9; margin-bottom:26px; }
.breadcrumb a { color:rgba(255,255,255,.55); }
.breadcrumb a:hover { color:#fff; }
.breadcrumb .sep { opacity:.35; color:rgba(255,255,255,.5); }
.breadcrumb .current { color:rgba(255,255,255,.9); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; max-width:360px; display:inline-block; }
@media screen and (max-width:640px){ .breadcrumb .current { max-width:220px; } }

/* ========== Article Main ========== */
.article-main { padding:34px 0 90px; background:var(--bg); }
.article-shell { max-width:860px; margin:0 auto; }
.article-paper {
  background:#fff; border:1px solid var(--line); border-radius:20px;
  box-shadow:var(--shadow-lg); padding:48px 60px 56px;
  position:relative; overflow:hidden;
}
.article-paper::before { content:""; position:absolute; inset:0 0 auto 0; height:5px; background:linear-gradient(90deg,var(--lime) 0%,var(--lime) 42%,#F6F7F9 42%); z-index:3; }
.article-heading { margin-bottom:18px; }
.article-cat { display:flex; flex-wrap:wrap; gap:10px; align-items:center; margin-bottom:15px; }
.article-cat .category-chip {
  display:inline-flex; align-items:center; gap:6px; background:var(--lime);
  color:#17191F; padding:5px 12px; border-radius:7px; font-size:13px; font-weight:700;
  letter-spacing:.6px;
}
.article-cat .art-label { color:var(--muted); font-size:13px; letter-spacing:.8px; }
.article-h1 { font-size:34px; line-height:1.42; margin:8px 0 20px; word-break:break-word; }
.article-meta { display:flex; flex-wrap:wrap; align-items:center; gap:10px 22px; padding:16px 0 26px; margin-bottom:8px; border-bottom:1px solid var(--line); font-size:13px; color:var(--muted); }
.meta-item { display:inline-flex; align-items:center; gap:8px; }
.meta-ico { color:var(--orange); font-style:normal; font-weight:800; }
.time-text { color:#5B6370; }
.category-place { display:inline-flex; align-items:center; gap:8px; }
.category-place .cat-name { color:#3E4550; font-weight:500; }
.editor-sign { display:inline-flex; align-items:center; gap:7px; }
@media screen and (max-width:768px){
  .article-paper { padding:36px 26px 40px; border-radius:16px; }
  .article-h1 { font-size:25px; line-height:1.5; }
}
@media screen and (max-width:520px){
  .article-main { padding-bottom:50px; }
  .article-paper { padding:30px 18px 28px; }
  .article-h1 { font-size:21px; }
}

/* ========== Article Content ========== */
.cms-content { font-size:16px; color:#444C57; line-height:1.95; }
.cms-content > * + * { margin-top:18px; }
.cms-content h2 { font-size:27px; color:var(--ink); margin-top:38px; margin-bottom:14px; }
.cms-content h3 { font-size:20px; color:#262C34; margin-top:28px; margin-bottom:12px; }
.cms-content p { line-height:1.9; margin:0 0 20px; }
.cms-content a { color:#2E6E48; font-weight:500; border-bottom:1px solid rgba(46,110,72,.3); }
.cms-content a:hover { border-color:rgba(46,110,72,.9); }
.cms-content ul { padding-left:20px; margin:16px 0 24px; }
.cms-content ul li { list-style: disc; margin-bottom:8px; padding-left:4px; }
.cms-content ol { padding-left:22px; margin:16px 0 24px; }
.cms-content ol li { list-style: decimal; margin-bottom:8px; }
.cms-content blockquote {
  margin:26px 0; padding:18px 22px; border-left:4px solid var(--lime);
  background:var(--surface-soft); color:#333C48;
  border-radius:0 14px 14px 0; font-size:16px;
}
.cms-content img { border-radius:12px; margin:16px 0; box-shadow:var(--shadow); }
.cms-content img + em { display:block; text-align:center; color:var(--muted); font-size:13px; font-style:normal; margin-top:-6px; }
.cms-content table { width:100%; border-collapse:collapse; margin:22px 0; background:#fff; border-radius:12px; overflow:hidden; }
.cms-content table th, .cms-content table td { border:1px solid var(--line); padding:12px 14px; text-align:left; font-size:14px; }
.cms-content table th { background:#F0F2F5; color:var(--ink); font-weight:600; }
.cms-content code { background:#EDF0F4; border-radius:6px; padding:2px 7px; font-size:14px; color:#444C57; }
.cms-content pre { background:var(--deep); color:#E8ECF2; padding:20px; border-radius:12px; overflow-x:auto; }
.cms-content pre code { background:transparent; color:inherit; padding:0; }

/* ========== Empty State ========== */
.empty-state { text-align:center; padding:88px 20px 64px; min-height:420px; }
.empty-state .empty-icon {
  display:flex; width:70px; height:70px; margin:0 auto 18px; align-items:center; justify-content:center;
  background:#EDF0F4; border-radius:20px; color:var(--muted); font-size:28px; font-weight:800;
}
.empty-state h1 { font-size:30px; margin-bottom:8px; }
.empty-state p { color:var(--muted); font-size:16px; margin-bottom:26px; }

/* ========== Back Link ========== */
.article-backlink { margin-top:34px; display:flex; flex-wrap:wrap; gap:12px; align-items:center; justify-content:center; padding-top:18px; }
.content-note { text-align:center; background:#F5F6F8; border-radius:12px; padding:12px 16px; margin-top:18px; font-size:13px; color:var(--muted); }

/* ========== Related Section ========== */
.related-section { padding:0 0 90px; }
.related-inner { max-width:1200px; margin:0 auto; }
.related-head { display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:28px; gap:18px; flex-wrap:wrap; }
.related-head .sec-title { font-size:26px; color:var(--ink); position:relative; padding-left:15px; }
.related-head .sec-title::before { content:""; position:absolute; left:0; top:6px; bottom:6px; width:4px; background:var(--orange); border-radius:9px; }
.section-link { color:var(--body); font-size:14px; display:inline-flex; align-items:center; gap:6px; }
.section-link:hover { color:var(--orange); }
.related-grid { display:grid; grid-template-columns:repeat(2, 1fr); gap:24px; }
.related-card {
  display:flex; background:#fff; border:1px solid var(--line); border-radius:18px;
  overflow:hidden; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.related-card:hover { transform: translateY(-5px); box-shadow:var(--shadow-lg); border-color:#D4D9E0; }
.related-card .card-media { width:46%; position:relative; background:var(--surface-soft); overflow:hidden; }
.related-card .card-media img { width:100%; height:100%; object-fit:cover; position:absolute; inset:0; }
.related-card .card-body { flex:1; padding:22px 20px 18px; display:flex; flex-direction:column; }
.related-card .card-flags { display:flex; gap:8px; margin-bottom:12px; }
.related-card .card-flag { background:#EEF0F3; border-radius:4px; padding:3px 8px; font-size:12px; color:#4E565F; font-weight:600; }
.related-card .card-flag.lime { background:rgba(216,255,61,.24); color:#5E7612; }
.related-card .card-flag.orange { background:rgba(255,106,61,.14); color:#D8512E; }
.related-card .card-title { font-size:16px; color:var(--ink); line-height:1.55; font-weight:600; margin-bottom:9px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.related-card .card-desc { font-size:13px; color:var(--muted); display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; margin-top:auto; }
.related-card .card-more { font-size:13px; font-weight:600; color:#353B45; margin-top:14px; display:flex; align-items:center; gap:4px; }
.related-card:hover .card-more { color:var(--orange); }
@media screen and (max-width:900px){
  .related-grid { grid-template-columns:1fr; max-width:680px; margin:0 auto; }
}
@media screen and (max-width:520px){
  .related-grid { max-width:100%; }
  .related-card { flex-direction:column; }
  .related-card .card-media { width:100%; height:190px; position:relative; }
}

/* ========== Article CTA Strip ========== */
.cta-strip {
  background: var(--deep); padding:48px 0; margin-top:6px; position:relative; overflow:hidden;
}
.cta-strip .grid-container { position:relative; z-index:2; }
.cta-strip::before { content:""; position:absolute; inset:0; opacity:.22; background:radial-gradient(circle at 75% 20%, #D8FF3D 0%, transparent 34%), linear-gradient(120deg, #22262F 0%, #0F1115 80%); }
.cta-box { display:flex; align-items:center; justify-content:space-between; gap:26px; flex-wrap:wrap; }
.cta-box .cta-info { max-width:680px; }
.cta-box .cta-title { color:#fff; font-size:26px; line-height:1.45; margin-bottom:8px; }
.cta-box .cta-desc { color:rgba(255,255,255,.68); font-size:15px; }
.cta-box .cta-actions { display:flex; gap:12px; flex-wrap:wrap; }
@media screen and (max-width:640px){
  .cta-strip { padding:38px 0; }
  .cta-box .cta-title { font-size:21px; }
  .cta-box .cta-actions .btn { width:100%; margin-top:6px; }
}

/* ========== Footer ========== */
.site-footer { background:#eef0f3; border-top:1px solid var(--line); color:#4c5561; }
.site-footer .grid-container { max-width:1200px; }
.footer-line { border-bottom:1px solid var(--line); display:flex; justify-content:space-between; align-items:center; padding:22px 0; gap:14px; flex-wrap:wrap; margin-bottom:24px; }
.footer-line .brand-logo .brand-text strong { color:#12141A; }
.footer-line .brand-logo .brand-text small { color:#8A93A2; }
.footer-line .tag-dark { color:#7D8693; background:rgba(18,20,26,.04); border:1px solid #DDE1E7; }
.footer-copy { display:grid; grid-template-columns:1.8fr .8fr .9fr; gap:38px; padding-bottom:32px; }
.footer-copy .footer-brand h3 { font-size:17px; color:var(--ink); margin-bottom:10px; }
.footer-copy .footer-brand p { color:var(--muted); font-size:14px; line-height:1.9; margin-bottom:0; }
.footer-col h4 { font-size:26px; color:#14161b; margin-top:4px; margin-bottom:14px; font-size:17px; }
.footer-col ul li { margin-bottom:10px; }
.footer-col ul a { font-size:14px; color:#5A626E; transition:color .2s ease; }
.footer-col ul a:hover { color:var(--orange); padding-left:4px; }
.footer-bottom { border-top:1px solid var(--line); padding:20px 0 24px; }
.footer-bottom .grid-container { display:flex; flex-wrap:wrap; justify-content:space-between; gap:8px; align-items:center; max-width:100%; padding:0 24; }
.footer-bottom span { font-size:13px; color:var(--muted); }
.footer-bottom span:last-child { font-family:ui-monospace, SFMono-Regular, Menlo, monospace; font-size:12px; }
@media screen and (max-width:900px) {
  .footer-copy { grid-template-columns:1fr 1fr; }
  .footer-copy .footer-brand { grid-column:1/-1; }
}
@media screen and (max-width:640px) {
  .footer-copy { display:block; }
  .footer-copy .footer-brand { margin-bottom:24px; }
  .footer-col { margin-bottom:22px; }
  .footer-line { padding:16px 0; margin-bottom:18px; }
}

/* roulang page: category2 */
:root{
  --bg:#F5F6F8;
  --panel:#12141A;
  --panel-soft:#1B1E27;
  --brand:#D8FF3D;
  --orange:#FF6A3D;
  --text:#1F232A;
  --copy:#4D5560;
  --muted:#8B93A1;
  --line:#E4E7EC;
  --radius:16px;
  --radius-sm:8px;
  --shadow:0 4px 20px rgba(20,24,30,.06);
  --shadow-lg:0 14px 40px rgba(20,24,30,.10);
  --font-head:"Arial Black","HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","Microsoft YaHei","Arial",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--copy);font-family:var(--font-body);line-height:1.75;font-size:15px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
button{font-family:inherit}
h1,h2,h3,h4,h5,h6{font-family:var(--font-head);margin:0;line-height:1.25;color:var(--text)}
section{scroll-margin-top:88px}
.grid-container{max-width:1240px}
.grid-container .cell{min-width:0}

/* 导航 */
.site-header{
  position:sticky;top:0;left:0;right:0;z-index:1200;
  background:rgba(18,20,26,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s ease,box-shadow .3s ease;
}
.header-inner{display:flex;align-items:center;height:72px;gap:26px;position:relative}
.brand-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;background:var(--brand);
  color:#12141A;display:grid;place-items:center;font-family:var(--font-head);
  font-weight:900;font-size:15px;letter-spacing:.02em;box-shadow:0 0 0 4px rgba(216,255,61,.12);
}
.brand-text strong{display:block;font-size:16px;line-height:1.2;color:#fff;font-weight:700;letter-spacing:.02em}
.brand-text small{display:block;font-size:11px;line-height:1.2;color:var(--brand);letter-spacing:.18em}
.main-nav{margin-left:auto;display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:8px}
.nav-list a{
  color:rgba(255,255,255,.74);display:inline-flex;align-items:center;
  font-size:15px;padding:10px 14px;border-radius:8px;position:relative;font-weight:400;transition:.25s;
}
.nav-list a::after{content:"";height:3px;border-radius:2px;background:var(--brand);width:0;position:absolute;left:50%;transform:translateX(-50%);bottom:2px;transition:.25s}
.nav-list a:hover{color:#fff}
.nav-list a.active{color:#fff;font-weight:600}
.nav-list a.active::after{width:22px;background:var(--brand)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;
  padding:10px 18px;border-radius:8px;background:var(--brand);color:#161A1F;
  transition:.28s;letter-spacing:.02em;border:1px solid transparent;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(216,255,61,.22);background:#E3FF68}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:rgba(255,255,255,.06);border-radius:8px;cursor:pointer;padding:11px 9px;transition:.2s}
.nav-toggle:hover{background:rgba(255,255,255,.12)}
.nav-toggle span{display:block;height:2px;margin:5px auto;background:#fff;border-radius:2px;transition:.3s}
.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)}

/* 分类Hero */
.cat-hero{
  position:relative;
  background:linear-gradient(103deg,rgba(16,18,24,.94) 12%,rgba(18,20,26,.78)),url('/assets/images/backpic/back-2.webp') no-repeat center 30%/cover;
  color:#fff;overflow:hidden;padding:94px 0 72px;
}
.hero-crumb{display:flex;align-items:center;gap:7px;color:rgba(255,255,255,.58);font-size:13px;margin-bottom:22px;flex-wrap:wrap}
.hero-crumb a{color:rgba(255,255,255,.58);transition:.2s}
.hero-crumb a:hover{color:var(--brand)}
.hero-crumb i{font-size:10px;opacity:.6}
.hero-crumb span{color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;
  border:1px solid rgba(216,255,61,.28);background:rgba(216,255,61,.08);border-radius:999px;
  color:var(--brand);padding:6px 14px;margin-bottom:20px;letter-spacing:.04em;
}
.cat-hero h1{color:#fff;font-size:52px;line-height:1.12;letter-spacing:-.8px;margin-bottom:18px}
.cat-hero h1 span{color:var(--brand)}
.hero-lead{max-width:760px;color:rgba(255,255,255,.82);font-size:17px;line-height:1.9;margin-bottom:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.88);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  padding:7px 13px;border-radius:999px;line-height:1.4;
}
.hero-chip i{color:var(--brand)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;
  padding:13px 22px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:.26s;line-height:1.4;letter-spacing:.02em;
}
.btn i{font-size:14px}
.btn-lime{background:var(--brand);color:#161A1F}
.btn-lime:hover{background:#E8FF72;box-shadow:0 8px 26px rgba(216,255,61,.3);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.32);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.btn-white{background:#fff;color:#161A1F}
.btn-white:hover{background:#EAF0F5;box-shadow:0 8px 22px rgba(255,255,255,.18)}

/* 通用section */
.section{padding:90px 0}
.section-bg{background:#fff}
.section-bg-dark{background:var(--panel);color:#fff}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:42px}
.sec-head-left{max-width:720px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--orange);font-weight:600;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.sec-kicker::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand)}
.section-bg-dark .sec-kicker::before{background:var(--brand)}
.section-title{font-size:32px;letter-spacing:-.4px;margin-bottom:10px}
.section-lead{font-size:15px;color:var(--muted);line-height:1.8}
.section-bg-dark .section-lead{color:rgba(255,255,255,.62)}
.section-bg-dark .section-title{color:#fff}
.sec-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--copy)}
.sec-link:hover{color:#000}
.section-bg-dark .sec-link{color:var(--brand)}
.line{width:100%;border-top:1px solid var(--line);margin:2px 0 38px 0}

/* 快捷入口 */
.quick-card{
  height:100%;display:flex;flex-direction:column;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow);transition:var(--transition);position:relative;overflow:hidden;
}
.quick-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.quick-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--brand)}
.quick-card:nth-child(2)::before{background:var(--orange)}
.quick-top{display:flex;justify-content:space-between;width:100%;align-items:center;margin-bottom:14px}
.quick-icon{width:46px;height:46px;border-radius:12px;background:rgba(216,255,61,.14);color:#6c7a16;display:grid;place-items:center;font-size:19px;border:1px solid rgba(216,255,61,.4)}
.quick-card:nth-child(2) .quick-icon{background:rgba(255,106,61,.1);border-color:rgba(255,106,61,.3);color:#c2472d}
.quick-tag{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.08em}
.quick-tag i{color:var(--brand);font-size:10px;margin-right:5px}
.quick-card h3{font-size:20px;margin-bottom:10px;color:var(--text)}
.quick-card p{font-size:14px;color:var(--copy);line-height:1.8;margin-bottom:20px}
.quick-check{width:100%;border-top:1px solid var(--line);margin:auto 0 18px 0;padding-top:18px}
.quick-check li{display:flex;gap:10px;color:var(--copy);font-size:14px;line-height:1.7;padding-bottom:9px;padding-left:2px}
.quick-check li i{color:var(--brand);font-size:13px;margin-top:5px}
.btn-card{border-radius:8px;font-size:14px}

/* 矩阵分区 */
.matrix-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow);transition:.26s;position:relative;
}
.matrix-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#d0d5dd}
.matrix-card .mq-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:12px;flex-wrap:wrap}
.mq-num{
  width:40px;height:40px;border-radius:10px;background:#f0f1f4;display:inline-grid;place-items:center;
  font-family:var(--font-head);font-weight:800;color:var(--text);font-size:14px;
}
.matrix-card .mq-code{font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:500}
.matrix-card h3{font-size:17px;margin-bottom:5px;color:var(--text)}
.matrix-copy{font-size:14px;line-height:1.85;color:var(--copy);margin-bottom:16px}
.mq-foot{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--orange);font-weight:500}
.mq-foot i{font-size:12px}
.matrix-card:nth-child(4n+1) .mq-num{background:rgba(216,255,61,.45)}
.matrix-card:nth-child(4n+2) .mq-num{background:rgba(255,106,61,.15);color:#c0472a}
.matrix-card:nth-child(4n+3) .mq-num{background:#ECEAFE;color:#5449c9}
.matrix-card:nth-child(4n) .mq-num{background:#E3F1E7;color:#287246}

/* 暗色流程 */
.flow-section{background:var(--panel);color:#fff;overflow:hidden;position:relative}
.flow-section::after{content:"";position:absolute;right:-180px;top:-160px;width:420px;height:420px;background:radial-gradient(circle,rgba(216,255,61,.1),transparent 70%)}
.flow-step{
  background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);
  padding:28px 24px;height:100%;position:relative;z-index:1;transition:.3s;
}
.flow-step:hover{border-color:rgba(216,255,61,.3)}
.flow-step .step-number{font-size:28px;color:var(--brand);font-weight:800;display:block;margin-bottom:14px;font-family:var(--font-head)}
.flow-step h3{color:#fff;font-size:17px;margin-bottom:10px}
.flow-step p{color:rgba(255,255,255,.62);font-size:14px;line-height:1.8;margin:0}

/* 观赛场景 */
.scene-card{
  height:100%;overflow:hidden;border-radius:var(--radius);background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);transition:.28s;
}
.scene-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.scene-thumb{height:170px;overflow:hidden;position:relative}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.scene-card:hover .scene-thumb img{transform:scale(1.05)}
.scene-thumb .time-tag{position:absolute;left:14px;bottom:12px;color:#fff;font-size:12px;background:rgba(18,20,26,.72);padding:5px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(4px)}
.scene-body{padding:24px 24px 26px 24px}
.scene-body h3{font-size:18px;margin-bottom:8px}
.scene-body p{color:var(--copy);font-size:14px;line-height:1.85;margin:0}
.coverage-line{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;justify-content:center}
.coverage-tag{
  font-size:13px;font-weight:600;background:#fff;color:var(--text);border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;box-shadow:var(--shadow);line-height:1.4;
}
.coverage-tag::before{content:"";display:inline-block;width:6px;height:6px;background:var(--brand);border-radius:50%;margin-right:7px;vertical-align:middle}

/* FAQ */
.faq-wrap{display:flex;gap:36px;flex-wrap:wrap}
.faq-aside{flex:0 0 300px;display:flex;flex-direction:column;gap:18px;align-items:flex-start}
.faq-outro{border-left:3px solid var(--brand);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:24px;width:100%}
.faq-outro h4{font-size:17px;margin-bottom:8px}
.faq-outro p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
.faq-list{flex:1 1 560px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:.25s;box-shadow:0 2px 10px rgba(20,24,30,.03)}
.faq-item.active{border-color:#C8D89B;box-shadow:var(--shadow)}
.faq-q{
  width:100%;background:transparent;border:0;display:flex;align-items:center;justify-content:space-between;
  cursor:pointer;padding:18px 20px;text-align:left;font-size:15px;font-weight:600;color:var(--text);
}
.faq-q:hover{background:#FAFCFF}
.faq-icon-circle{
  flex:0 0 34px;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--copy);transition:.3s;
}
.faq-item.active .faq-icon-circle{background:var(--brand);border-color:var(--brand);color:#111}
.faq-item.active .faq-icon-circle i{transform:rotate(135deg)}
.faq-icon-circle i{transition:.3s;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s ease,padding .36s ease;padding:0 20px}
.faq-item.active .faq-a{max-height:400px;padding:2px 20px 20px}
.faq-a p{margin:0;font-size:14px;color:var(--copy);line-height:1.9;padding-top:4px}

/* CTA */
.cta-section{background:var(--panel);padding:78px 0;color:#fff;position:relative;overflow:hidden;text-align:center}
.cta-section::before{content:"";position:absolute;left:50%;top:-160px;transform:translateX(-50%);width:700px;height:700px;background:radial-gradient(circle,rgba(216,255,61,.08),transparent 68%)}
.cta-section h2{color:#fff;font-size:32px;letter-spacing:-.4px;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.65);max-width:620px;margin:0 auto 32px;font-size:15px;line-height:1.9}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;position:relative;z-index:2}

/* footer */
.site-footer{background:var(--panel);color:rgba(255,255,255,.78);padding:46px 0 0 0;position:relative}
.footer-line{border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:24px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.footer-copy{display:flex;flex-wrap:wrap;gap:44px;padding:38px 0 32px 0}
.footer-brand{flex:1 1 320px;max-width:520px;padding-right:20px}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.58);line-height:1.9;margin:14px 0 0 0}
.footer-col{flex:1 1 130px;min-width:150px}
.footer-col h4,.footer-brand h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col li{margin-bottom:8px}
.footer-col a,.page-top-link{font-size:13px;color:rgba(255,255,255,.6);transition:.22s;position:relative;display:inline-block}
.footer-col a:hover{color:var(--brand);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0 20px}
.footer-bottom .grid-container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12px;color:rgba(255,255,255,.44)}
.tag-dark{font-size:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.6);padding:5px 12px;border-radius:999px}

/* 返回顶部 */
.to-top{position:fixed;right:20px;bottom:112px;width:42px;height:42px;border-radius:10px;border:0;background:rgba(18,20,26,.75);color:#fff;cursor:pointer;display:grid;place-items:center;z-index:900;opacity:0;transform:translateY(10px);transition:.3s;pointer-events:none}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}
.to-top:hover{background:var(--brand);color:#161A1F}

/* 响应式 */
@media (max-width:1023px){
  .cat-hero h1{font-size:40px}
  .hero-stats{gap:8px}
  .section{padding:70px 0}
  .sec-head{align-items:flex-start;flex-direction:column}
  .faq-wrap{flex-direction:column-reverse}
  .faq-aside{flex:1 1 auto}
  .nav-cta{display:none}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;display:none;
    background:rgba(16,18,24,.98);border-bottom:1px solid rgba(255,255,255,.1);
    padding:12px 18px;border-radius:0 0 16px 16px;box-shadow:0 30px 40px rgba(0,0,0,.2);
  }
  .main-nav.open{display:block}
  .nav-list{flex-direction:column;gap:4px;align-items:flex-start}
  .nav-list a{width:100%;font-size:16px;padding:12px 10px}
  .nav-list a:hover{background:rgba(255,255,255,.06)}
  .nav-list a.active{padding-left:12px}
  .nav-toggle{display:block;margin-left:auto}
}
@media (max-width:767px){
  .cat-hero{padding:60px 0 46px}
  .cat-hero h1{font-size:30px}
  .hero-lead{font-size:15px}
  .section{padding:50px 0}
  .section-title{font-size:24px}
  .section-lead{font-size:14px}
  .hero-actions .btn{flex:1 1 auto;min-width:150px;padding-left:14px;padding-right:14px}
  .matrix-card{padding:22px}
  .flow-step{padding:20px}
  .scene-body h3{font-size:16px}
  .footer-brand{max-width:none;padding-right:0}
  .footer-copy{gap:24px;padding:26px 0 22px}
  .btn-lime,.btn-white,.btn-ghost{font-size:14px}
  .quick-card{padding:24px 20px}
}
@media (max-width:520px){
  .footer-bottom .grid-container{flex-direction:column;gap:4px}
  .brand-mark{width:36px;height:36px}
  .header-inner{height:64px}
  .site-header{position:sticky}
  .cat-hero h1{font-size:27px}
  .quick-card p,.matrix-copy,.scene-body p{font-size:13px}
  .hero-chip{font-size:12px}
  .section-title{font-size:22px}
}

/* roulang page: category3 */
:root {
  --ink: #12141A;
  --ink-soft: #1F232A;
  --paper: #F5F6F8;
  --card: #FFFFFF;
  --lime: #D8FF3D;
  --lime-soft: #E2FF70;
  --orange: #FF6A3D;
  --text: #4D5560;
  --muted: #8B93A1;
  --line: #E4E7EC;
  --radius: 14px;
  --radius-btn: 8px;
  --shadow: 0 4px 20px rgba(20, 24, 30, .06);
  --shadow-lg: 0 14px 36px rgba(20, 24, 30, .10);
  --font-display: "Arial Black", "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Arial", sans-serif;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
* {
  box-sizing: border-box;
}
body.nav-open {
  overflow: hidden;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
h1, h2, h3, h4 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  color: var(--ink-soft);
  letter-spacing: -0.4px;
  line-height: 1.3;
}
p {
  margin: 0 0 16px;
}
.grid-container {
  max-width: 1200px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  height: 72px;
  display: flex;
  align-items: center;
  background: rgba(18, 20, 26, .92);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.header-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--lime);
  color: #161A1F;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text strong {
  color: #fff;
  font-family: var(--font-display);
  font-size: 18px;
}
.brand-text small {
  margin-top: 4px;
  color: rgba(255, 255, 255, .64);
  font-size: 12px;
  letter-spacing: 1px;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  background: transparent;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 3px;
  transition: transform .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);
}
.main-nav {
  margin-left: auto;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-list a {
  display: block;
  padding: 10px 16px;
  color: rgba(255, 255, 255, .72);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: color .2s;
  position: relative;
}
.nav-list a:hover,
.nav-list a:focus {
  color: #fff;
}
.nav-list a.active {
  color: #fff;
}
.nav-list a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 3px;
  border-radius: 3px;
  background: var(--lime);
}
.nav-cta {
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-body);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .2s, color .2s, border .2s, box-shadow .2s, transform .15s;
}
.btn:focus-visible {
  outline: 3px solid rgba(216, 255, 61, .45);
  outline-offset: 2px;
}
.btn-lime {
  background: var(--lime);
  color: #161A1F;
  font-weight: 700;
}
.btn-lime:hover {
  background: var(--lime-soft);
  box-shadow: 0 8px 24px rgba(216, 255, 61, .24);
  transform: translateY(-1px);
}
.btn-lime:active {
  transform: translateY(1px);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .55);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, .12);
  border-color: #fff;
}
.btn-outline-dark {
  background: transparent;
  color: var(--ink-soft);
  border-color: rgba(31, 35, 42, .35);
}
.btn-outline-dark:hover {
  background: rgba(31, 35, 42, .05);
  border-color: var(--ink-soft);
}
.btn-compact {
  padding: 8px 15px;
  font-size: 14px;
}
.btn-lg {
  padding: 14px 30px;
}
.category-hero {
  position: relative;
  padding: 96px 0 84px;
  background-color: var(--ink);
  background-image: linear-gradient(90deg, rgba(18, 20, 26, .9), rgba(18, 20, 26, .68), rgba(18, 20, 26, .48)), url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
}
.breadcrumb {
  margin-bottom: 30px;
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .65);
}
.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, .3);
}
.breadcrumb a {
  color: rgba(255, 255, 255, .78);
}
.breadcrumb a:hover {
  color: var(--lime);
}
.hero-panel {
  max-width: 820px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 4px;
  color: var(--lime);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.category-hero h1 {
  color: #fff;
  font-size: 56px;
  line-height: 1.2;
  letter-spacing: -0.9px;
  max-width: 760px;
  margin-bottom: 22px;
}
.hero-lead {
  color: rgba(255, 255, 255, .86);
  font-size: 18px;
  line-height: 1.8;
  max-width: 700px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(0, 0, 0, .18);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 4px;
  font-size: 13px;
  color: rgba(255, 255, 255, .84);
}
.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.dot-lime {
  background: var(--lime);
  box-shadow: 0 0 10px rgba(216, 255, 61, .65);
}
.dot-orange {
  background: var(--orange);
}
.dot-white {
  background: #fff;
}
.section {
  padding: 100px 0;
}
.section-head {
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: 34px;
}
.section-head p {
  font-size: 16px;
  max-width: 720px;
  margin-top: 8px;
  color: var(--muted);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.split-intro {
  background: #fff;
}
.divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.compare-panel {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow .2s ease, transform .2s ease;
}
.compare-panel:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.compare-img img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}
.compare-body {
  padding: 32px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .4px;
}
.tag-lime {
  background: var(--lime);
  color: #161A1F;
}
.tag-orange {
  background: var(--orange);
  color: #fff;
}
.tag-dark {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .1);
  color: #B9C0CC;
}
.compare-body h3 {
  font-size: 20px;
  margin: 14px 0 10px;
}
.compare-body p {
  color: var(--text);
  font-size: 15px;
}
.check-list {
  margin-top: 18px;
}
.check-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: var(--lime);
  color: #161A1F;
  font-size: 12px;
  font-weight: 800;
  text-align: center;
  line-height: 20px;
}
.steps-full {
  background: var(--ink);
  background-image: linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 52px 52px;
}
.steps-full .section-head {
  color: #fff;
}
.steps-full .section-head h2 {
  color: #fff;
}
.steps-full .section-head p {
  color: rgba(255, 255, 255, .68);
}
.light-title {
  color: #fff;
}
.muted-light {
  color: rgba(255, 255, 255, .65);
}
.step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step-card {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: var(--radius);
  padding: 34px 30px;
  height: 100%;
}
.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  background: var(--lime);
  color: #161A1F;
  border-radius: 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  margin-bottom: 22px;
}
.step-card h3 {
  color: #fff;
  font-size: 20px;
  margin-bottom: 10px;
}
.step-card p {
  color: rgba(255, 255, 255, .7);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 0;
}
.steps-note {
  margin: 28px auto 0;
  max-width: 800px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 10px;
  color: rgba(255, 255, 255, .74);
  font-size: 14px;
  line-height: 1.7;
  padding: 18px 24px;
  text-align: left;
}
.steps-note strong {
  color: var(--lime);
  font-weight: 700;
  margin-right: 6px;
}
.zone-wrap {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 28px;
  align-items: stretch;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.zone-media img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
}
.zone-content {
  padding: 36px 40px 36px 0;
}
.zone-content h2 {
  font-size: 28px;
}
.status-list {
  margin-top: 22px;
}
.status-list > li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.status-list > li:last-child {
  border-bottom: 0;
}
.status-code {
  font-weight: 700;
  color: var(--ink-soft);
  font-size: 15px;
  font-family: var(--font-display);
}
.status-list p {
  margin: 0;
  font-size: 15px;
  color: var(--text);
}
.faq-section {
  background: #fff;
}
.faq-layout {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: 48px;
}
.faq-intro h2 {
  font-size: 34px;
}
.faq-intro p {
  color: var(--text);
}
.accordion {
  list-style: none;
  margin: 0;
  background: transparent;
  border: 0;
}
.accordion-item {
  background: transparent;
  border: 0;
}
.accordion-title {
  position: relative;
  display: block;
  background: #fff !important;
  color: var(--text) !important;
  border: 0;
  border-top: 1px solid var(--line);
  padding: 22px 48px 22px 0;
  font-size: 16px;
  line-height: 1.5;
  cursor: pointer;
  transition: color .2s ease;
}
.accordion-item:last-child .accordion-title {
  border-bottom: 1px solid var(--line);
}
.accordion-title:hover,
.accordion-item.is-active .accordion-title {
  color: var(--ink-soft) !important;
}
.accordion-title:focus {
  outline: 3px solid rgba(216, 255, 61, .4);
  outline-offset: -3px;
}
.accordion-title::before,
.accordion-title::after {
  content: "";
  position: absolute;
  right: 22px;
  top: 50%;
  width: 12px;
  height: 2px;
  background: var(--ink-soft);
  border: 0;
  border-radius: 4px;
  transform: translateY(-50%);
  transition: transform .24s ease;
}
.accordion-title::after {
  transform: translateY(-50%) rotate(90deg);
}
.accordion-item.is-active > .accordion-title::after {
  transform: translateY(-50%) rotate(0deg);
}
.accordion-content {
  background: #fff !important;
  color: var(--text) !important;
  border: 0;
  padding: 4px 36px 26px 0;
}
.accordion-content p {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.85;
}
.cta-section {
  background: var(--ink);
  color: #fff;
}
.cta-section .eyebrow {
  color: var(--lime);
}
.cta-panel {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 20px;
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.cta-panel h2 {
  color: #fff;
  font-size: 34px;
  margin-bottom: 12px;
}
.cta-panel p {
  color: rgba(255, 255, 255, .72);
  font-size: 16px;
  max-width: 680px;
  margin-bottom: 28px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.site-footer {
  background: #0B0D12;
  color: #9AA3AF;
  font-size: 15px;
}
.site-footer .grid-container {
  padding: 0 24px;
}
.footer-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-line .brand-text strong {
  color: #fff;
}
.footer-line .brand-text small {
  color: rgba(255, 255, 255, .6);
}
.footer-copy {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding: 48px 0 36px;
}
.footer-brand h3 {
  color: #fff;
  font-size: 18px;
}
.footer-brand p {
  margin: 10px 0 0;
  color: #9AA3AF;
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
}
.footer-col h4 {
  margin-bottom: 16px;
  color: #fff;
  font-size: 15px;
  letter-spacing: .4px;
}
.footer-col ul li {
  margin-bottom: 9px;
}
.footer-col a {
  color: #9AA3AF;
  font-size: 14px;
  transition: color .2s;
}
.footer-col a:hover {
  color: var(--lime);
}
.footer-bottom {
  background: #07080C;
  border-top: 1px solid rgba(255, 255, 255, .05);
  padding: 18px 0;
}
.footer-bottom .grid-container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, .45);
}
@media (max-width: 1023px) {
  .category-hero h1 {
    font-size: 42px;
  }
  .section {
    padding: 80px 0;
  }
  .step-grid {
    grid-template-columns: 1fr 1fr;
  }
  .zone-wrap {
    grid-template-columns: 1fr;
  }
  .zone-media img {
    min-height: 220px;
    height: 260px;
  }
  .zone-content {
    padding: 30px 36px 34px;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-copy {
    grid-template-columns: 1fr 1fr;
  }
  .nav-toggle {
    display: flex;
  }
  .header-inner {
    padding: 0 16px;
  }
  .nav-cta {
    display: none;
  }
  .main-nav {
    position: fixed;
    top: 72px;
    right: 0;
    bottom: 0;
    width: min(86%, 380px);
    height: calc(100vh - 72px);
    margin: 0;
    background: rgba(18, 20, 26, .98);
    box-shadow: -12px 0 30px rgba(0, 0, 0, .25);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .3s ease, visibility .3s ease;
    z-index: 10;
    overflow-y: auto;
  }
  .main-nav.open {
    transform: translateX(0);
    visibility: visible;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 28px 20px;
  }
  .nav-list a {
    padding: 15px 14px;
    color: #fff;
    font-size: 18px;
    border-radius: 8px;
  }
  .nav-list a.active {
    background: rgba(216, 255, 61, .08);
    color: var(--lime);
  }
  .nav-list a.active::after {
    display: none;
  }
  .nav-list a:hover {
    background: rgba(255, 255, 255, .06);
  }
}
@media (max-width: 767px) {
  .category-hero {
    padding: 72px 0 56px;
  }
  .category-hero h1 {
    font-size: 30px;
    letter-spacing: -0.4px;
  }
  .hero-lead {
    font-size: 16px;
  }
  .hero-actions,
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-lg,
  .hero-actions .btn {
    width: 100%;
  }
  .compare-grid,
  .step-grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 64px 0;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .compare-body {
    padding: 24px;
  }
  .compare-img img {
    height: 200px;
  }
  .step-card {
    padding: 26px 22px;
  }
  .zone-content {
    padding: 24px;
  }
  .zone-content h2 {
    font-size: 24px;
  }
  .status-list > li {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .cta-panel {
    padding: 40px 24px;
  }
  .cta-panel h2,
  .faq-intro h2 {
    font-size: 26px;
  }
  .footer-copy {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-line,
  .footer-bottom .grid-container {
    flex-direction: column;
    align-items: flex-start;
  }
  .site-footer .grid-container {
    padding: 0 16px;
  }
  .footer-line {
    padding: 22px 0;
  }
}