/* roulang page: index */
:root{
  --j9-dark:#0E1319;
  --j9-dark-2:#151B24;
  --j9-mint:#12C79A;
  --j9-mint-hi:#2AE6B6;
  --j9-mint-deep:#0E9E7A;
  --j9-amber:#F0A03C;
  --j9-white:#FFFFFF;
  --j9-bg:#F6F8FA;
  --j9-thumb:#EDF1F5;
  --j9-title:#101720;
  --j9-text:#4A5561;
  --j9-muted:#7A8694;
  --j9-line:#E5E9EF;
  --j9-dark-text:#C9D3DE;
  --j9-dark-line:rgba(255,255,255,.10);
  --j9-r-card:16px;
  --j9-r-md:12px;
  --j9-r-sm:10px;
  --j9-shadow:0 1px 2px rgba(16,24,40,.04),0 10px 28px -14px rgba(16,24,40,.14);
  --j9-container:1200px;
  --j9-pad-d:88px;
  --j9-pad-t:64px;
  --j9-pad-m:48px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--j9-text);
  background:var(--j9-bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--j9-mint-deep);text-decoration:none;transition:color .18s ease,background-color .18s ease,transform .18s ease;}
a:visited{color:var(--j9-mint-deep);}
a:hover{color:var(--j9-mint);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;color:var(--j9-title);font-weight:600;letter-spacing:0;line-height:1.28;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(18,199,154,.55);outline-offset:2px;border-radius:6px;}
.j9-container{width:100%;max-width:var(--j9-container);margin:0 auto;padding:0 32px;}
.j9-section{padding:var(--j9-pad-d) 0;}
.j9-section--dark{background:var(--j9-dark);color:var(--j9-dark-text);}
.j9-section--dark h2,.j9-section--dark h3{color:#fff;}
.j9-section--light{background:var(--j9-bg);}
.j9-section--white{background:#fff;border-top:1px solid var(--j9-line);border-bottom:1px solid var(--j9-line);}
.j9-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--j9-mint-deep);letter-spacing:.04em;}
.j9-section--dark .j9-eyebrow{color:var(--j9-mint-hi);}
.j9-head{margin-bottom:40px;max-width:720px;}
.j9-head h2{font-size:34px;line-height:1.24;}
.j9-head p{margin-top:12px;font-size:16px;color:var(--j9-muted);}
.j9-section--dark .j9-head p{color:#98A5B3;}
.j9-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.j9-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.j9-more i{transition:transform .18s ease;}
.j9-more:hover i{transform:translateX(3px);}

/* ---------- 导航 ---------- */
.j9-header{
  position:sticky;top:0;z-index:60;
  background:rgba(21,27,36,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,0);
  transition:background-color .2s ease,border-color .2s ease;
}
.j9-header.is-stuck{background:#151B24;border-bottom-color:rgba(255,255,255,.10);}
.j9-nav{display:flex;align-items:center;gap:24px;height:68px;}
.j9-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:600;flex-shrink:0;}
.j9-logo:hover{color:#fff;}
.j9-logo-mark{width:30px;height:30px;border-radius:9px;border:1.6px solid var(--j9-mint);display:flex;align-items:center;justify-content:center;color:var(--j9-mint-hi);font-size:15px;font-weight:700;box-shadow:0 0 0 3px rgba(18,199,154,.12) inset;}
.j9-logo-text{letter-spacing:.01em;}
.j9-menu{display:flex;align-items:center;gap:6px;margin-left:8px;}
.j9-menu a{position:relative;display:block;padding:8px 12px;font-size:14px;color:var(--j9-dark-text);border-radius:8px;}
.j9-menu a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--j9-mint-hi);transform:scaleX(0);transform-origin:left center;transition:transform .2s ease;}
.j9-menu a:hover{color:#fff;}
.j9-menu a:hover::after{transform:scaleX(1);}
.j9-menu a.is-active{color:var(--j9-mint-hi);}
.j9-menu a.is-active::after{transform:scaleX(1);}
.j9-nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.j9-search{position:relative;width:250px;}
.j9-search i{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:14px;color:#7E8B99;pointer-events:none;}
.j9-search input{
  width:100%;height:38px;border-radius:var(--j9-r-sm);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:#E7EDF3;font-size:14px;padding:0 62px 0 34px;
  transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.j9-search input::placeholder{color:#8B97A5;}
.j9-search input:focus{outline:none;border-color:var(--j9-mint);background:rgba(255,255,255,.09);box-shadow:0 0 0 4px rgba(18,199,154,.16);}
.j9-key{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:11px;line-height:1;padding:4px 7px;border-radius:6px;background:rgba(255,255,255,.08);color:#9AA6B4;border:1px solid rgba(255,255,255,.10);}
.j9-quick{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 12px;border-radius:var(--j9-r-sm);border:1px solid rgba(255,255,255,.14);color:#C9D3DE;font-size:14px;transition:border-color .18s ease,color .18s ease,background-color .18s ease;}
.j9-quick:hover{color:#fff;border-color:rgba(42,230,182,.5);background:rgba(18,199,154,.10);}
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--j9-r-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.j9-btn--primary{background:var(--j9-mint);color:#06231B;}
.j9-btn--primary:visited{color:#06231B;}
.j9-btn--primary:hover{background:#1BD3A5;color:#06231B;transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(18,199,154,.6);}
.j9-btn--primary:active{transform:translateY(0);}
.j9-btn--ghost{border:1.5px solid rgba(255,255,255,.28);color:#fff;}
.j9-btn--ghost:visited{color:#fff;}
.j9-btn--ghost:hover{border-color:var(--j9-mint-hi);color:#fff;background:rgba(18,199,154,.12);}
.j9-btn--outline{border:1.5px solid rgba(14,158,122,.5);color:var(--j9-mint-deep);}
.j9-btn--outline:visited{color:var(--j9-mint-deep);}
.j9-btn--outline:hover{background:rgba(18,199,154,.08);border-color:var(--j9-mint-deep);color:var(--j9-mint-deep);}
.j9-btn--sm{height:38px;padding:0 16px;font-size:14px;}
.j9-btn--lg{height:48px;padding:0 26px;}
.j9-burger{display:none;width:44px;height:44px;border-radius:var(--j9-r-sm);border:1px solid rgba(255,255,255,.16);color:#fff;align-items:center;justify-content:center;}
.j9-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:90;
  background:#151B24;border-left:1px solid rgba(255,255,255,.10);
  transform:translateX(102%);transition:transform .22s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.j9-drawer.is-open{transform:translateX(0);}
.j9-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.j9-drawer-close{width:44px;height:44px;border-radius:var(--j9-r-sm);border:1px solid rgba(255,255,255,.16);color:#fff;}
.j9-drawer nav a{display:flex;align-items:center;height:52px;padding:0 12px;color:var(--j9-dark-text);font-size:15px;border-bottom:1px solid rgba(255,255,255,.08);}
.j9-drawer nav a:hover,.j9-drawer nav a.is-active{color:var(--j9-mint-hi);}
.j9-drawer-cta{margin-top:auto;padding-top:20px;}
.j9-drawer-cta .j9-btn{width:100%;}
.j9-overlay{position:fixed;inset:0;background:rgba(6,10,14,.6);z-index:80;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;}
.j9-overlay.is-open{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.j9-hero{
  position:relative;overflow:hidden;color:var(--j9-dark-text);
  background-color:var(--j9-dark);
  background-image:
    linear-gradient(100deg,rgba(14,19,25,.97) 0%,rgba(14,19,25,.88) 42%,rgba(14,19,25,.55) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
}
.j9-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
}
.j9-hero::after{
  content:"";position:absolute;top:-180px;right:-120px;width:640px;height:640px;pointer-events:none;
  background:radial-gradient(circle at center,rgba(18,199,154,.16),transparent 62%);
}
.j9-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center;min-height:560px;padding:72px 0;}
.j9-hero h1{color:#fff;font-size:48px;line-height:1.18;font-weight:700;}
.j9-hero-sub{margin-top:18px;font-size:17px;line-height:1.7;color:#B7C2CE;max-width:520px;}
.j9-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.j9-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.10);}
.j9-trust span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#A9B4C0;}
.j9-trust i{color:var(--j9-mint-hi);font-size:14px;}
.j9-chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;}
.j9-chip--mint{background:rgba(18,199,154,.12);color:var(--j9-mint-hi);}
.j9-chip--amber{background:rgba(240,160,60,.16);color:#F5B463;}
.j9-chip--ink{background:rgba(18,199,154,.12);color:var(--j9-mint-deep);}
.j9-hero-visual{position:relative;}
.j9-hero-shot{border-radius:var(--j9-r-card);overflow:hidden;border:1px solid rgba(255,255,255,.12);aspect-ratio:16/10;background:#0B1016;}
.j9-hero-shot img{width:100%;height:100%;object-fit:cover;}
.j9-float-card{
  position:absolute;left:-26px;bottom:-26px;width:288px;
  background:rgba(21,27,36,.96);border:1px solid rgba(255,255,255,.14);border-radius:var(--j9-r-card);
  box-shadow:0 24px 48px -24px rgba(0,0,0,.7);
  padding:14px;display:flex;gap:12px;align-items:center;
  animation:j9float 5s ease-in-out infinite;
}
.j9-float-thumb{width:76px;height:56px;border-radius:var(--j9-r-md);overflow:hidden;flex-shrink:0;background:#1B222C;}
.j9-float-thumb img{width:100%;height:100%;object-fit:cover;}
.j9-float-body p{margin:6px 0 2px;font-size:13px;line-height:1.5;color:#E4EAF1;font-weight:600;}
.j9-float-body span{font-size:12px;color:#8B97A5;}
@keyframes j9float{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}

/* ---------- 三步 ---------- */
.j9-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.j9-step{background:#fff;border:1px solid var(--j9-line);border-radius:var(--j9-r-card);padding:26px;box-shadow:var(--j9-shadow);transition:border-color .2s ease,transform .2s ease;}
.j9-step:hover{border-color:rgba(18,199,154,.35);transform:translateY(-2px);}
.j9-step-num{width:38px;height:38px;border-radius:999px;background:rgba(240,160,60,.16);color:#9C6415;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;}
.j9-step h3{margin-top:18px;font-size:19px;line-height:1.35;}
.j9-step p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--j9-muted);}
.j9-step a.j9-more{margin-top:8px;}
.j9-step-line{position:absolute;top:36px;left:0;right:0;height:1px;border-top:1px dashed var(--j9-line);z-index:0;}

/* ---------- 案例证明 ---------- */
.j9-proof{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:start;}
.j9-quotes{display:grid;gap:24px;}
.j9-quote--offset{margin-left:44px;}
.j9-quote{background:rgba(255,255,255,.04);border:1px solid var(--j9-dark-line);border-radius:var(--j9-r-card);padding:24px;transition:border-color .2s ease;}
.j9-quote:hover{border-color:rgba(42,230,182,.4);}
.j9-quote-top{display:flex;align-items:center;gap:12px;}
.j9-avatar{width:42px;height:42px;border-radius:999px;background:rgba(18,199,154,.16);color:var(--j9-mint-hi);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;}
.j9-quote-top strong{display:block;color:#fff;font-size:15px;}
.j9-quote-top span{font-size:12px;color:#8B97A5;}
.j9-quote p{margin:14px 0 0;font-size:14px;line-height:1.8;color:#B7C2CE;}
.j9-stats{background:rgba(255,255,255,.04);border:1px solid var(--j9-dark-line);border-radius:var(--j9-r-card);padding:8px 24px;box-shadow:0 0 0 1px rgba(18,199,154,.10) inset;}
.j9-stat{padding:22px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.j9-stat:last-child{border-bottom:0;}
.j9-stat b{display:block;font-size:32px;font-weight:700;color:var(--j9-mint-hi);line-height:1.2;font-variant-numeric:tabular-nums;}
.j9-stat span{display:block;margin-top:8px;font-size:13px;color:#98A5B3;}
.j9-logos{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,.08);}
.j9-logos span{display:flex;align-items:center;justify-content:center;height:56px;border-radius:var(--j9-r-md);border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.03);font-size:13px;color:#8B97A5;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
.j9-logos span:hover{color:var(--j9-mint-hi);border-color:rgba(42,230,182,.4);background:rgba(18,199,154,.08);}

/* ---------- FAQ ---------- */
.j9-faq-wrap{display:grid;grid-template-columns:1.75fr 1fr;gap:32px;align-items:start;}
.j9-faq{background:#fff;border:1px solid var(--j9-line);border-radius:20px;padding:16px 32px;box-shadow:var(--j9-shadow);}
.j9-faq details{border-bottom:1px solid var(--j9-line);}
.j9-faq details:last-child{border-bottom:0;}
.j9-faq summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:12px 0;font-size:16px;font-weight:600;color:var(--j9-title);cursor:pointer;
}
.j9-faq summary::-webkit-details-marker{display:none;}
.j9-faq summary i{color:var(--j9-mint-deep);font-size:14px;transition:transform .2s ease;flex-shrink:0;}
.j9-faq details[open] summary i{transform:rotate(135deg);}
.j9-faq-body{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--j9-text);}
.j9-side-card{position:sticky;top:96px;background:#F6F8FA;border:1px solid var(--j9-line);border-radius:20px;padding:28px;}
.j9-side-card h3{font-size:19px;}
.j9-side-card ul{margin:18px 0 0;}
.j9-side-card li{border-bottom:1px solid var(--j9-line);}
.j9-side-card li:last-child{border-bottom:0;}
.j9-side-card li a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;font-size:14px;color:var(--j9-text);}
.j9-side-card li a:hover{color:var(--j9-mint-deep);}
.j9-side-card li a i{color:var(--j9-mint-deep);font-size:12px;}
.j9-side-card .j9-btn{width:100%;margin-top:20px;}

/* ---------- 内容动态 ---------- */
.j9-posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.j9-post{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--j9-line);border-radius:var(--j9-r-card);
  overflow:hidden;box-shadow:var(--j9-shadow);transition:border-color .2s ease,transform .2s ease;
  color:var(--j9-text);
}
.j9-post:hover{border-color:rgba(18,199,154,.35);transform:translateY(-2px);color:var(--j9-text);}
.j9-post-thumb{aspect-ratio:16/10;background:var(--j9-thumb);overflow:hidden;}
.j9-post-thumb img{width:100%;height:100%;object-fit:cover;}
.j9-post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.j9-post-body h3{margin-top:14px;font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.j9-post-body p{margin:10px 0 0;font-size:14px;line-height:1.7;color:var(--j9-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.j9-post-meta{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--j9-muted);border-top:1px solid var(--j9-line);}
.j9-post-meta i{color:var(--j9-mint-deep);}
.j9-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;padding:64px 24px;background:#fff;border:1px dashed var(--j9-line);border-radius:var(--j9-r-card);text-align:center;}
.j9-empty i{font-size:26px;color:var(--j9-mint-deep);}
.j9-empty p{margin:0;font-size:15px;color:var(--j9-muted);}

/* ---------- CTA ---------- */
.j9-cta{
  position:relative;overflow:hidden;background:var(--j9-dark-2);color:var(--j9-dark-text);
  background-image:linear-gradient(90deg,rgba(21,27,36,.98) 0%,rgba(21,27,36,.92) 48%,rgba(21,27,36,.55) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:right center;
}
.j9-cta-inner{position:relative;z-index:2;max-width:660px;padding:78px 0;}
.j9-cta h2{color:#fff;font-size:30px;line-height:1.3;}
.j9-cta p{margin-top:14px;font-size:15px;color:#B7C2CE;}
.j9-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.j9-cta-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);}
.j9-cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#A9B4C0;}
.j9-cta-points i{color:var(--j9-mint-hi);}

/* ---------- 页脚 ---------- */
.j9-footer{background:#151B24;color:#A9B4C0;padding-top:64px;}
.j9-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.j9-footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:18px;}
.j9-footer p{font-size:14px;line-height:1.8;color:#98A5B3;margin:16px 0 0;}
.j9-footer li a{display:inline-block;font-size:14px;color:#A9B4C0;padding:5px 0;}
.j9-footer li a:hover{color:var(--j9-mint-hi);transform:translateX(2px);}
.j9-footer .j9-logo{margin-bottom:4px;}
.j9-footer-links{display:flex;gap:16px;margin-top:14px;}
.j9-footer-links a{font-size:14px;color:var(--j9-mint-hi);}
.j9-footer-info li{font-size:14px;padding:6px 0;display:flex;gap:10px;align-items:flex-start;}
.j9-footer-info i{color:var(--j9-mint);margin-top:5px;font-size:13px;}
.j9-footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:#7E8B99;}

@media (max-width:1023px){
  .j9-menu,.j9-search,.j9-quick{display:none;}
  .j9-burger{display:inline-flex;}
  .j9-hero-inner{grid-template-columns:1fr;gap:44px;min-height:0;padding:56px 0;}
  .j9-hero h1{font-size:36px;}
  .j9-float-card{left:0;}
  .j9-steps{grid-template-columns:1fr 1fr;}
  .j9-step-line{display:none;}
  .j9-proof{grid-template-columns:1fr;gap:32px;}
  .j9-quote--offset{margin-left:0;}
  .j9-faq-wrap{grid-template-columns:1fr;}
  .j9-side-card{position:static;}
  .j9-posts{grid-template-columns:1fr 1fr;}
  .j9-logos{grid-template-columns:repeat(3,1fr);}
  .j9-footer-grid{grid-template-columns:1fr 1fr;}
  .j9-section{padding:var(--j9-pad-t) 0;}
  .j9-head h2{font-size:28px;}
}
@media (max-width:767px){
  .j9-container{padding:0 20px;}
  .j9-nav{height:56px;}
  .j9-section{padding:var(--j9-pad-m) 0;}
  .j9-hero h1{font-size:30px;line-height:1.3;}
  .j9-hero-sub{font-size:15px;}
  .j9-hero-actions .j9-btn{width:100%;}
  .j9-float-card{position:static;width:100%;margin-top:16px;animation:none;}
  .j9-steps{grid-template-columns:1fr;}
  .j9-head--split{flex-direction:column;align-items:flex-start;}
  .j9-head h2{font-size:24px;}
  .j9-posts{grid-template-columns:1fr;}
  .j9-logos{grid-template-columns:repeat(2,1fr);}
  .j9-faq{padding:8px 20px;}
  .j9-faq summary{font-size:15px;min-height:52px;}
  .j9-cta-inner{padding:56px 0;}
  .j9-cta h2{font-size:24px;}
  .j9-cta-actions .j9-btn{width:100%;}
  .j9-footer-grid{grid-template-columns:1fr;gap:32px;}
  .j9-footer-bottom{flex-direction:column;}
  .j9-stat b{font-size:28px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: article */
:root{
  --j9-dark:#0E1319;
  --j9-dark-2:#151B24;
  --j9-ink-deep:#0A0F14;
  --j9-white:#FFFFFF;
  --j9-paper:#F6F8FA;
  --j9-brand:#12C79A;
  --j9-brand-lift:#2AE6B6;
  --j9-brand-deep:#0E9E7A;
  --j9-amber:#F0A03C;
  --j9-title:#101720;
  --j9-body:#4A5561;
  --j9-muted:#7A8694;
  --j9-line:#E5E9EF;
  --j9-line-dark:rgba(255,255,255,.10);
  --j9-on-dark:#C9D3DE;
  --j9-on-dark-muted:#A9B4C0;
  --j9-danger:#E5484D;
  --j9-radius-lg:16px;
  --j9-radius-md:12px;
  --j9-radius-sm:10px;
  --j9-shadow-card:0 1px 2px rgba(16,24,40,.04), 0 10px 28px -14px rgba(16,24,40,.14);
  --j9-shadow-brand:0 8px 20px -8px rgba(18,199,154,.6);
  --j9-ease:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--j9-body);
  background:#FFFFFF;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--j9-ease),border-color var(--j9-ease)}
a:visited{color:inherit}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;color:var(--j9-title);font-weight:600;letter-spacing:0}
p{margin:0}
:focus-visible{outline:3px solid rgba(18,199,154,.55);outline-offset:2px;border-radius:4px}
.j9-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
@media (min-width:1280px){.j9-container{max-width:1280px}}
.j9-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶部导航 ---------- */
.j9-header{
  position:sticky;top:0;z-index:80;
  background:rgba(21,27,36,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background var(--j9-ease),border-color var(--j9-ease);
}
.j9-header.is-solid{background:#151B24;border-bottom-color:rgba(255,255,255,.14)}
.j9-nav{display:flex;align-items:center;gap:24px;height:68px}
.j9-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.j9-logo-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(18,199,154,.22),rgba(18,199,154,.05));
  border:1px solid rgba(42,230,182,.5);
  color:var(--j9-brand-lift);font-size:16px;font-weight:700;line-height:1;
}
.j9-logo-text{font-size:18px;font-weight:600;color:#fff;letter-spacing:0;white-space:nowrap}
.j9-menu{display:flex;align-items:center;gap:26px;flex:1 1 auto;justify-content:center}
.j9-menu a{
  position:relative;font-size:14px;color:var(--j9-on-dark);padding:8px 0;white-space:nowrap;
}
.j9-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--j9-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--j9-ease);
}
.j9-menu a:hover{color:#fff}
.j9-menu a:hover::after{transform:scaleX(1)}
.j9-menu a.is-active{color:var(--j9-brand-lift)}
.j9-menu a.is-active::after{transform:scaleX(1)}
.j9-nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.j9-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:236px;height:38px;padding:0 10px 0 12px;border-radius:var(--j9-radius-sm);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  transition:border-color var(--j9-ease),background var(--j9-ease);
}
.j9-search:focus-within{border-color:rgba(42,230,182,.6);background:rgba(255,255,255,.09)}
.j9-search i{color:var(--j9-on-dark-muted);font-size:13px}
.j9-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  color:#fff;font-size:13px;height:100%;
}
.j9-search input::placeholder{color:#8794A2}
.j9-key{
  flex:0 0 auto;font-size:11px;line-height:18px;padding:0 7px;border-radius:999px;
  color:var(--j9-on-dark-muted);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
}
.j9-quick{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--j9-on-dark);padding:8px 2px;white-space:nowrap}
.j9-quick:hover{color:var(--j9-brand-lift)}
.j9-burger{
  display:none;width:40px;height:40px;border-radius:var(--j9-radius-sm);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  color:#fff;font-size:16px;align-items:center;justify-content:center;
}
.j9-burger:hover{background:rgba(255,255,255,.12)}

/* ---------- 按钮 ---------- */
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--j9-radius-sm);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--j9-ease),box-shadow var(--j9-ease),background var(--j9-ease),border-color var(--j9-ease),color var(--j9-ease);
}
.j9-btn--sm{height:38px;padding:0 16px;font-size:14px}
.j9-btn--lg{height:48px;padding:0 26px}
.j9-btn--primary{background:var(--j9-brand);color:#06231B}
.j9-btn--primary:visited{color:#06231B}
.j9-btn--primary:hover{background:var(--j9-brand-lift);color:#04231A;transform:translateY(-1px);box-shadow:var(--j9-shadow-brand)}
.j9-btn--primary:active{transform:translateY(0);box-shadow:none}
.j9-btn--ghost{border-color:rgba(255,255,255,.28);color:#fff;background:transparent}
.j9-btn--ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);transform:translateY(-1px)}
.j9-btn--outline{border-color:rgba(14,158,122,.45);color:var(--j9-brand-deep);background:#fff}
.j9-btn--outline:hover{background:rgba(18,199,154,.08);border-color:var(--j9-brand-deep);transform:translateY(-1px)}
.j9-link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--j9-brand-deep);font-size:14px;font-weight:600}
.j9-link-arrow i{transition:transform var(--j9-ease)}
.j9-link-arrow:hover{color:var(--j9-brand)}
.j9-link-arrow:hover i{transform:translateX(2px)}

/* ---------- 徽章 ---------- */
.j9-badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;background:rgba(18,199,154,.12);color:var(--j9-brand-deep);
}
.j9-badge--amber{background:rgba(240,160,60,.18);color:#8A5410}
.j9-badge--dark{background:rgba(255,255,255,.08);color:var(--j9-on-dark);border:1px solid rgba(255,255,255,.14)}

/* ---------- 文章头部 ---------- */
.j9-article-hero{position:relative;background:var(--j9-dark);overflow:hidden;padding:52px 0 60px}
.j9-article-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,#0E1319 46%,rgba(14,19,25,.72) 72%,rgba(14,19,25,.35) 100%),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center right;opacity:.96;
}
.j9-article-hero-grid{
  position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:56px 56px;
}
.j9-article-hero .j9-container{position:relative;z-index:2}
.j9-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--j9-on-dark-muted)}
.j9-crumb a{color:var(--j9-on-dark-muted)}
.j9-crumb a:hover{color:var(--j9-brand-lift)}
.j9-crumb-sep{color:rgba(255,255,255,.28)}
.j9-crumb-current{color:#DCE4EC;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.j9-article-hero h1{
  margin-top:20px;max-width:880px;font-size:40px;line-height:52px;font-weight:700;color:#fff;
}
.j9-article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;font-size:13px;color:var(--j9-on-dark-muted)}
.j9-article-meta .j9-meta-sep{width:1px;height:12px;background:rgba(255,255,255,.22)}
.j9-article-meta i{font-size:12px;color:rgba(42,230,182,.85)}

/* ---------- 正文区 ---------- */
.j9-article-wrap{background:#fff;padding:72px 0 88px;border-bottom:1px solid var(--j9-line)}
.j9-article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;gap:64px;justify-content:center;align-items:start;
}
.j9-prose{max-width:760px;font-size:17px;line-height:31px;color:var(--j9-body)}
.j9-prose p{margin:0 0 1.1em}
.j9-prose h2{
  position:relative;font-size:24px;line-height:34px;color:var(--j9-title);
  margin:40px 0 16px;padding-left:14px;
}
.j9-prose h2::before{
  content:"";position:absolute;left:0;top:8px;width:3px;height:20px;border-radius:2px;background:var(--j9-brand);
}
.j9-prose h3{font-size:19px;line-height:30px;color:var(--j9-title);margin:28px 0 12px}
.j9-prose h4{font-size:17px;color:var(--j9-title);margin:22px 0 10px}
.j9-prose blockquote{
  margin:24px 0;padding:20px;border-left:3px solid var(--j9-brand);background:var(--j9-paper);
  border-radius:0 var(--j9-radius-md) var(--j9-radius-md) 0;color:var(--j9-body);font-size:16px;line-height:28px;
}
.j9-prose blockquote p:last-child{margin-bottom:0}
.j9-prose ul,.j9-prose ol{margin:20px 0;padding-left:4px}
.j9-prose ul li{position:relative;padding-left:22px;line-height:1.8;margin-bottom:8px}
.j9-prose ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:1px;background:var(--j9-brand);
}
.j9-prose ol{list-style:decimal;padding-left:22px}
.j9-prose ol li{line-height:1.8;margin-bottom:8px;padding-left:4px}
.j9-prose img{border-radius:var(--j9-radius-md);width:100%;height:auto;margin:24px 0 10px;background:#EDF1F5}
.j9-prose figure{margin:24px 0}
.j9-prose figcaption{font-size:13px;color:var(--j9-muted);line-height:20px}
.j9-prose a{color:var(--j9-brand-deep);border-bottom:1px solid rgba(14,158,122,.45)}
.j9-prose a:hover{color:var(--j9-brand);border-bottom-color:var(--j9-brand)}
.j9-prose strong{color:var(--j9-title);font-weight:600}
.j9-prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.j9-prose th,.j9-prose td{border:1px solid var(--j9-line);padding:12px 16px;text-align:left}
.j9-prose th{background:var(--j9-paper);color:var(--j9-title);font-weight:600}
.j9-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:24px 0}
.j9-prose hr{border:0;border-top:1px solid var(--j9-line);margin:32px 0}

/* 空态 */
.j9-empty{
  border:1px dashed var(--j9-line);border-radius:var(--j9-radius-lg);background:var(--j9-paper);
  padding:56px 32px;text-align:center;
}
.j9-empty i{font-size:26px;color:var(--j9-brand-deep);margin-bottom:14px;display:block}
.j9-empty h2{font-size:22px;color:var(--j9-title);margin-bottom:10px}
.j9-empty p{color:var(--j9-muted);font-size:15px;line-height:26px;margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.j9-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.j9-side-card{
  background:#fff;border:1px solid var(--j9-line);border-radius:var(--j9-radius-lg);
  padding:22px;box-shadow:var(--j9-shadow-card);
}
.j9-side-card h3{font-size:15px;color:var(--j9-title);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.j9-side-card h3 i{color:var(--j9-brand-deep);font-size:13px}
.j9-toc a{
  display:block;font-size:14px;line-height:20px;color:var(--j9-body);
  padding:8px 10px;border-left:2px solid transparent;border-radius:0 6px 6px 0;
}
.j9-toc a:hover{color:var(--j9-brand-deep);background:var(--j9-paper)}
.j9-toc a.is-current{color:var(--j9-brand-deep);border-left-color:var(--j9-brand);background:rgba(18,199,154,.06)}
.j9-side-list{display:flex;flex-direction:column;gap:14px}
.j9-side-item{display:flex;gap:12px;align-items:flex-start}
.j9-side-thumb{
  flex:0 0 auto;width:64px;height:48px;border-radius:var(--j9-radius-md);overflow:hidden;background:#EDF1F5;
}
.j9-side-thumb img{width:100%;height:100%;object-fit:cover}
.j9-side-item h4{font-size:14px;line-height:22px;color:var(--j9-title);font-weight:600;margin-bottom:4px}
.j9-side-item span{font-size:12px;color:var(--j9-muted)}
.j9-side-item:hover h4{color:var(--j9-brand-deep)}
.j9-side-cta{display:flex;flex-direction:column;gap:10px}
.j9-side-cta .j9-btn{width:100%}

/* ---------- 文末推荐与返回 ---------- */
.j9-tail{background:var(--j9-paper);padding:64px 0;border-bottom:1px solid var(--j9-line)}
.j9-tail-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.j9-tail-head h2{font-size:26px;line-height:36px;color:var(--j9-title)}
.j9-tail-head p{font-size:14px;color:var(--j9-muted);margin-top:6px}
.j9-tail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.j9-tail-card{
  display:block;background:#fff;border:1px solid var(--j9-line);border-radius:var(--j9-radius-lg);
  overflow:hidden;box-shadow:var(--j9-shadow-card);
  transition:transform var(--j9-ease),border-color var(--j9-ease);
}
.j9-tail-card:hover{transform:translateY(-2px);border-color:rgba(18,199,154,.35)}
.j9-tail-thumb{aspect-ratio:1.6/1;background:#EDF1F5;overflow:hidden}
.j9-tail-thumb img{width:100%;height:100%;object-fit:cover}
.j9-tail-body{padding:20px 22px 24px}
.j9-tail-body h3{font-size:17px;line-height:26px;color:var(--j9-title);margin:12px 0 8px}
.j9-tail-body p{font-size:14px;line-height:24px;color:var(--j9-muted);margin-bottom:14px}
.j9-returns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- CTA ---------- */
.j9-cta{position:relative;background:var(--j9-dark-2);overflow:hidden;padding:64px 0}
.j9-cta-bg{
  position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(95deg,#151B24 40%,rgba(21,27,36,.4) 100%),url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center right;
}
.j9-cta .j9-container{position:relative;z-index:2}
.j9-cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(255,255,255,.10);border-radius:20px;padding:40px 40px;
  background:rgba(255,255,255,.04);box-shadow:inset 0 0 0 1px rgba(18,199,154,.10);
}
.j9-cta-copy{max-width:620px}
.j9-cta-copy h2{font-size:30px;line-height:40px;color:#fff;margin-bottom:12px}
.j9-cta-copy p{color:var(--j9-on-dark);font-size:15px;line-height:27px}
.j9-cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.j9-cta-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;font-size:13px;color:var(--j9-on-dark-muted)}
.j9-cta-points span{display:inline-flex;align-items:center;gap:8px}
.j9-cta-points i{color:var(--j9-brand-lift);font-size:12px}

/* ---------- 页脚 ---------- */
.j9-footer{background:var(--j9-dark-2);padding:64px 0 0;border-top:1px solid rgba(255,255,255,.08)}
.j9-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.j9-footer .j9-logo-text{font-size:17px}
.j9-footer p{color:var(--j9-on-dark-muted);font-size:14px;line-height:26px;margin-top:16px;max-width:330px}
.j9-footer h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px}
.j9-footer ul li{margin-bottom:10px}
.j9-footer ul a{font-size:14px;color:var(--j9-on-dark-muted);display:inline-block}
.j9-footer ul a:hover{color:var(--j9-brand-lift);transform:translateX(2px)}
.j9-footer-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px}
.j9-footer-links a{font-size:14px;color:var(--j9-brand-lift)}
.j9-footer-links a:hover{color:#fff}
.j9-footer-info li{display:flex;align-items:flex-start;gap:10px;color:var(--j9-on-dark-muted);font-size:14px;line-height:24px}
.j9-footer-info i{color:var(--j9-brand-lift);font-size:13px;margin-top:5px}
.j9-footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:#8794A2;
}

/* ---------- 移动抽屉 ---------- */
.j9-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:120;
  background:#151B24;padding:24px 22px;transform:translateX(102%);
  transition:transform 240ms cubic-bezier(.4,0,.2,1);overflow-y:auto;
}
.j9-drawer.is-open{transform:translateX(0)}
.j9-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.j9-drawer-close{
  width:40px;height:40px;border-radius:var(--j9-radius-sm);background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);color:#fff;font-size:15px;
}
.j9-drawer nav a{
  display:flex;align-items:center;min-height:52px;font-size:15px;color:var(--j9-on-dark);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.j9-drawer nav a:hover,.j9-drawer nav a.is-active{color:var(--j9-brand-lift)}
.j9-drawer .j9-btn{width:100%;margin-top:22px}
.j9-mask{
  position:fixed;inset:0;background:rgba(6,10,14,.6);z-index:110;opacity:0;visibility:hidden;
  transition:opacity var(--j9-ease),visibility var(--j9-ease);
}
.j9-mask.is-open{opacity:1;visibility:visible}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .j9-menu{gap:18px}
  .j9-search{width:190px}
  .j9-quick{display:none}
}
@media (max-width:1023px){
  .j9-container{padding-left:24px;padding-right:24px}
  .j9-menu,.j9-search,.j9-quick{display:none}
  .j9-burger{display:inline-flex}
  .j9-nav{height:64px;justify-content:space-between}
  .j9-nav-right{gap:10px}
  .j9-article-hero h1{font-size:34px;line-height:46px}
  .j9-article-wrap{padding:56px 0 64px}
  .j9-article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .j9-side{position:static}
  .j9-tail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .j9-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .j9-cta-inner{padding:32px 28px}
  .j9-cta-copy h2{font-size:26px;line-height:36px}
}
@media (max-width:767px){
  .j9-container{padding-left:20px;padding-right:20px}
  .j9-nav{height:56px}
  .j9-logo-text{font-size:16px}
  .j9-article-hero{padding:36px 0 44px}
  .j9-article-hero h1{font-size:26px;line-height:36px;margin-top:16px}
  .j9-crumb-current{max-width:180px}
  .j9-article-wrap{padding:40px 0 48px}
  .j9-prose{font-size:15px;line-height:26px}
  .j9-prose h2{font-size:20px;line-height:30px;margin-top:32px}
  .j9-prose h3{font-size:18px;line-height:28px}
  .j9-tail{padding:48px 0}
  .j9-tail-grid{grid-template-columns:minmax(0,1fr)}
  .j9-tail-head h2{font-size:22px;line-height:32px}
  .j9-cta{padding:48px 0}
  .j9-cta-actions{width:100%}
  .j9-cta-actions .j9-btn{flex:1 1 100%}
  .j9-footer{padding-top:48px}
  .j9-footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .j9-footer-bottom{margin-top:32px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --j9-dark:#0E1319;
  --j9-dark-2:#151B24;
  --j9-main:#12C79A;
  --j9-main-bright:#2AE6B6;
  --j9-main-deep:#0E9E7A;
  --j9-amber:#F0A03C;
  --j9-white:#FFFFFF;
  --j9-ink:#101720;
  --j9-body:#4A5561;
  --j9-muted:#7A8694;
  --j9-line:#E5E9EF;
  --j9-line-dark:rgba(255,255,255,.10);
  --j9-text-dark:#C9D3DE;
  --j9-bg-soft:#F6F8FA;
  --j9-radius:16px;
  --j9-radius-sm:10px;
  --j9-shadow:0 1px 2px rgba(16,24,40,.04),0 10px 28px -14px rgba(16,24,40,.14);
  --j9-max:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:28px;color:var(--j9-body);background:#FFFFFF;
  letter-spacing:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--j9-main-deep);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--j9-main);}
h1,h2,h3,h4{margin:0;color:var(--j9-ink);font-weight:600;letter-spacing:0;}
p{margin:0 0 .95em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(18,199,154,.45);outline-offset:2px;border-radius:6px;}
input:focus{outline:none;}

/* 容器 */
.j9-container{max-width:var(--j9-max);margin:0 auto;padding:0 32px;}
.j9-section{padding:88px 0;}
.j9-section--soft{background:var(--j9-bg-soft);}
.j9-section--dark{background:var(--j9-dark);color:var(--j9-text-dark);}
.j9-section-head{max-width:720px;margin-bottom:36px;}
.j9-section-head h2{font-size:34px;line-height:42px;margin-bottom:14px;}
.j9-section-head p{font-size:16px;color:var(--j9-muted);}
.j9-section--dark .j9-section-head h2{color:#fff;}
.j9-section--dark .j9-section-head p{color:var(--j9-text-dark);}
.j9-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;line-height:20px;
  padding:4px 12px;border-radius:999px;background:rgba(18,199,154,.12);color:var(--j9-main-deep);
  margin-bottom:16px;font-weight:500;
}
.j9-section--dark .j9-eyebrow{background:rgba(42,230,182,.14);color:var(--j9-main-bright);}

/* 导航 */
.j9-header{
  position:sticky;top:0;z-index:80;background:rgba(21,27,36,.88);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .2s ease,border-color .2s ease;
}
.j9-header.is-scrolled{background:#151B24;border-bottom-color:rgba(255,255,255,.12);}
.j9-nav{display:flex;align-items:center;gap:20px;height:68px;}
.j9-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto;}
.j9-logo:hover{color:#fff;}
.j9-logo-mark{
  width:30px;height:30px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#12C79A,#0E9E7A);color:#06231B;font-size:15px;font-weight:700;line-height:1;
}
.j9-logo-text{font-size:18px;font-weight:600;color:#fff;white-space:nowrap;}
.j9-menu{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1 1 auto;}
.j9-menu a{
  position:relative;display:inline-block;padding:8px 12px;font-size:14px;line-height:20px;
  color:var(--j9-text-dark);border-radius:8px;white-space:nowrap;
}
.j9-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--j9-main-bright);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.j9-menu a:hover{color:#fff;}
.j9-menu a:hover::after{transform:scaleX(1);}
.j9-menu a.is-active{color:var(--j9-main-bright);}
.j9-menu a.is-active::after{transform:scaleX(1);}
.j9-nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.j9-search{
  display:flex;align-items:center;gap:8px;width:248px;height:38px;padding:0 10px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:10px;
  color:#8C99A6;transition:border-color .2s ease,background .2s ease;
}
.j9-search:focus-within{border-color:rgba(42,230,182,.6);background:rgba(255,255,255,.09);}
.j9-search i{font-size:13px;color:#8C99A6;}
.j9-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;color:#fff;font-size:14px;line-height:20px;padding:0;
}
.j9-search input::placeholder{color:#8C99A6;}
.j9-key{
  font-size:11px;line-height:18px;padding:1px 7px;border-radius:999px;
  background:rgba(255,255,255,.08);color:#A9B4C0;white-space:nowrap;
}
.j9-quick{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--j9-text-dark);white-space:nowrap;}
.j9-quick:hover{color:var(--j9-main-bright);}
.j9-burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;
  color:#fff;font-size:16px;
}

/* 按钮 */
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:10px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.j9-btn--sm{height:38px;padding:0 16px;font-size:14px;}
.j9-btn--lg{height:48px;padding:0 26px;font-size:15px;}
.j9-btn--primary{background:var(--j9-main);color:#06231B;}
.j9-btn--primary:hover{background:#2AE6B6;color:#06231B;transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(18,199,154,.6);}
.j9-btn--primary:active{transform:translateY(0);box-shadow:none;}
.j9-btn--ghost{background:transparent;border-color:rgba(201,211,222,.4);color:var(--j9-text-dark);}
.j9-btn--ghost:hover{background:rgba(42,230,182,.10);border-color:var(--j9-main-bright);color:#fff;transform:translateY(-1px);}
.j9-btn--outline{background:transparent;border-color:rgba(14,158,122,.45);color:var(--j9-main-deep);}
.j9-btn--outline:hover{background:rgba(18,199,154,.08);border-color:var(--j9-main-deep);color:var(--j9-main-deep);transform:translateY(-1px);}
.j9-btn--block{width:100%;}
.j9-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--j9-main-deep);}
.j9-link-arrow i{transition:transform .18s ease;}
.j9-link-arrow:hover i{transform:translateX(2px);}

/* 徽章 */
.j9-badge{
  display:inline-block;font-size:12px;line-height:20px;padding:4px 10px;border-radius:999px;
  background:rgba(18,199,154,.12);color:var(--j9-main-deep);font-weight:500;
}
.j9-badge--amber{background:rgba(240,160,60,.18);color:#9A6212;}

/* 分类窄头 */
.j9-pagehead{
  position:relative;color:#fff;padding:34px 0 46px;
  background-image:linear-gradient(90deg,#0E1319 84%,rgba(14,19,25,.30)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;background-repeat:no-repeat;
}
.j9-crumb{font-size:12px;line-height:20px;color:#A9B4C0;margin-bottom:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.j9-crumb a{color:#C9D3DE;}
.j9-crumb a:hover{color:var(--j9-main-bright);}
.j9-crumb span.sep{color:#5A6673;}
.j9-pagehead h1{color:#fff;font-size:40px;line-height:1.3;font-weight:700;max-width:820px;}
.j9-pagehead p{color:var(--j9-text-dark);font-size:15px;line-height:26px;margin-top:14px;max-width:680px;}

/* 分栏布局 */
.j9-split{display:flex;gap:32px;align-items:flex-start;}
.j9-split-main{flex:1 1 60%;min-width:0;}
.j9-split-side{flex:0 0 38%;max-width:400px;}

/* 步骤列表 */
.j9-steps{counter-reset:none;}
.j9-step{display:flex;gap:16px;padding-bottom:24px;margin-bottom:24px;border-bottom:1px dashed var(--j9-line);}
.j9-step:last-child{border-bottom:0;padding-bottom:0;margin-bottom:0;}
.j9-step-num{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;background:var(--j9-amber);color:#3A2402;
  font-size:13px;font-weight:700;line-height:28px;text-align:center;margin-top:2px;
}
.j9-step-body h3{font-size:18px;line-height:28px;margin-bottom:8px;}
.j9-step-body p{font-size:15px;line-height:27px;color:var(--j9-body);}

/* 侧栏卡片 */
.j9-side-card{
  position:sticky;top:96px;background:var(--j9-bg-soft);border:1px solid var(--j9-line);
  border-radius:20px;padding:28px;
}
.j9-side-card h3{font-size:20px;line-height:30px;margin-bottom:10px;}
.j9-side-card > p{font-size:14px;line-height:25px;color:var(--j9-muted);margin-bottom:20px;}
.j9-points li{display:flex;gap:10px;font-size:14px;line-height:25px;padding:12px 0;border-bottom:1px solid var(--j9-line);}
.j9-points li:last-child{border-bottom:0;}
.j9-points i{color:var(--j9-main-deep);font-size:14px;margin-top:6px;}
.j9-side-actions{display:flex;flex-direction:column;gap:10px;margin:20px 0 14px;}
.j9-side-links{display:flex;flex-direction:column;gap:8px;font-size:14px;}

/* 图文块 */
.j9-media{display:flex;gap:40px;align-items:center;}
.j9-media-figure{flex:0 0 46%;max-width:520px;border-radius:12px;overflow:hidden;border:1px solid var(--j9-line);background:#EDF1F5;}
.j9-media-figure img{width:100%;aspect-ratio:1.6/1;object-fit:cover;}
.j9-media-body{flex:1 1 auto;min-width:0;}
.j9-media-body h2{font-size:30px;line-height:40px;margin-bottom:16px;}
.j9-media-list li{display:flex;gap:12px;font-size:15px;line-height:27px;padding:10px 0;}
.j9-media-list i{color:var(--j9-main-deep);margin-top:7px;font-size:14px;}
.j9-media-list strong{color:var(--j9-ink);font-weight:600;}

/* 要点网格 */
.j9-grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.j9-card{
  background:#fff;border:1px solid var(--j9-line);border-radius:var(--j9-radius);
  padding:24px;box-shadow:var(--j9-shadow);
  transition:border-color .2s ease,transform .2s ease;
}
.j9-card:hover{border-color:rgba(18,199,154,.35);transform:translateY(-2px);}
.j9-card-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(18,199,154,.10);color:var(--j9-main-deep);font-size:18px;margin-bottom:16px;
}
.j9-card h3{font-size:19px;line-height:30px;margin-bottom:10px;}
.j9-card p{font-size:15px;line-height:27px;color:var(--j9-body);}
.j9-card .j9-badge{margin-bottom:14px;}

/* FAQ */
.j9-faq-wrap{background:#fff;border:1px solid var(--j9-line);border-radius:20px;padding:32px;box-shadow:var(--j9-shadow);}
.j9-faq{border-bottom:1px solid var(--j9-line);}
.j9-faq:last-child{border-bottom:0;}
.j9-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:0 0;min-height:56px;text-align:left;
  font-size:16px;font-weight:600;color:var(--j9-ink);line-height:26px;
}
.j9-faq-q i{flex:0 0 auto;color:var(--j9-main-deep);font-size:14px;transition:transform .2s ease;}
.j9-faq.is-open .j9-faq-q i{transform:rotate(45deg);}
.j9-faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.j9-faq-a p{font-size:15px;line-height:27px;color:var(--j9-body);padding:0 0 20px;}

/* CTA */
.j9-cta{
  position:relative;overflow:hidden;background:var(--j9-dark-2);border-radius:20px;
  padding:56px 48px;color:var(--j9-text-dark);
  border:1px solid rgba(255,255,255,.08);
}
.j9-cta::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(90deg,rgba(21,27,36,.96) 46%,rgba(21,27,36,.35)),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:right center;opacity:.9;
}
.j9-cta-inner{position:relative;z-index:2;max-width:640px;}
.j9-cta h2{color:#fff;font-size:30px;line-height:40px;margin-bottom:14px;}
.j9-cta p{color:var(--j9-text-dark);font-size:15px;line-height:27px;margin-bottom:24px;}
.j9-cta-btns{display:flex;flex-wrap:wrap;gap:14px;}
.j9-cta-assure{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;font-size:13px;color:#A9B4C0;}
.j9-cta-assure span{display:inline-flex;align-items:center;gap:8px;}
.j9-cta-assure i{color:var(--j9-main-bright);}

/* 页脚 */
.j9-footer{background:var(--j9-dark-2);color:#A9B4C0;padding:64px 0 0;margin-top:0;}
.j9-footer .j9-logo{margin-bottom:16px;}
.j9-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.j9-footer-grid h4{font-size:14px;color:#fff;margin-bottom:18px;font-weight:600;}
.j9-footer-grid p{font-size:14px;line-height:25px;color:#A9B4C0;margin-bottom:18px;}
.j9-footer-grid ul li{margin-bottom:12px;}
.j9-footer-grid ul li a{font-size:14px;color:#A9B4C0;display:inline-block;transition:color .2s ease,transform .2s ease;}
.j9-footer-grid ul li a:hover{color:var(--j9-main-bright);transform:translateX(2px);}
.j9-footer-links{display:flex;flex-direction:column;gap:10px;}
.j9-footer-links a{font-size:14px;color:#A9B4C0;}
.j9-footer-links a:hover{color:var(--j9-main-bright);}
.j9-footer-info li{display:flex;gap:10px;font-size:14px;color:#A9B4C0;}
.j9-footer-info i{color:var(--j9-main);margin-top:6px;font-size:13px;}
.j9-footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:12px;color:#7A8694;
}

/* 响应式 */
@media screen and (max-width:1023px){
  .j9-container{padding:0 24px;}
  .j9-section{padding:64px 0;}
  .j9-search{display:none;}
  .j9-quick{display:none;}
  .j9-menu{margin-left:0;}
  .j9-split{flex-direction:column;gap:28px;}
  .j9-split-side{flex:1 1 auto;max-width:none;width:100%;}
  .j9-side-card{position:static;}
  .j9-media{flex-direction:column;gap:28px;}
  .j9-media-figure{flex:1 1 auto;max-width:none;width:100%;}
  .j9-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .j9-pagehead h1{font-size:34px;}
  .j9-section-head h2{font-size:28px;line-height:38px;}
}
@media screen and (max-width:767px){
  body{font-size:15px;line-height:26px;}
  body.j9-nav-open{overflow:hidden;}
  .j9-container{padding:0 20px;}
  .j9-section{padding:48px 0;}
  .j9-nav{height:56px;gap:12px;}
  .j9-logo-text{font-size:15px;max-width:150px;overflow:hidden;text-overflow:ellipsis;}
  .j9-logo-mark{width:26px;height:26px;font-size:13px;border-radius:8px;}
  .j9-menu{
    display:none;position:fixed;top:56px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;background:rgba(14,19,25,.97);
    padding:12px 20px 32px;overflow-y:auto;
  }
  body.j9-nav-open .j9-menu{display:flex;}
  .j9-menu a{line-height:52px;padding:0 8px;font-size:15px;border-bottom:1px solid rgba(255,255,255,.08);}
  .j9-menu a::after{display:none;}
  .j9-burger{display:inline-flex;}
  .j9-btn--sm{padding:0 12px;font-size:13px;}
  .j9-pagehead{padding:26px 0 34px;}
  .j9-pagehead h1{font-size:26px;line-height:36px;}
  .j9-pagehead p{font-size:14px;line-height:24px;}
  .j9-section-head h2{font-size:24px;line-height:34px;}
  .j9-step-body h3{font-size:17px;line-height:27px;}
  .j9-grid2{grid-template-columns:minmax(0,1fr);gap:18px;}
  .j9-media-body h2{font-size:23px;line-height:33px;}
  .j9-faq-wrap{padding:20px;}
  .j9-faq-q{min-height:52px;font-size:15px;}
  .j9-cta{padding:36px 22px;}
  .j9-cta h2{font-size:23px;line-height:33px;}
  .j9-cta-btns .j9-btn{width:100%;}
  .j9-footer{padding-top:48px;}
  .j9-footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .j9-footer-bottom{flex-direction:column;gap:8px;}
}
@media screen and (max-width:520px){
  .j9-pagehead h1{font-size:23px;line-height:33px;}
  .j9-side-card{padding:22px;}
  .j9-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --j9-dark:#0E1319;
  --j9-panel:#151B24;
  --j9-white:#FFFFFF;
  --j9-page:#F6F8FA;
  --j9-brand:#12C79A;
  --j9-brand-light:#2AE6B6;
  --j9-brand-deep:#0E9E7A;
  --j9-amber:#F0A03C;
  --j9-amber-soft:#FEF6EA;
  --j9-text-dark:#101720;
  --j9-text:#4A5561;
  --j9-text-soft:#7A8694;
  --j9-text-on-dark:#C9D3DE;
  --j9-line:#E5E9EF;
  --j9-line-dark:rgba(255,255,255,.10);
  --j9-success:#12A47C;
  --j9-warn:#E9A23B;
  --j9-error:#E5484D;
  --j9-r-lg:16px;
  --j9-r-md:10px;
  --j9-r-pill:999px;
  --j9-shadow:0 1px 2px rgba(16,24,40,.04),0 10px 28px -14px rgba(16,24,40,.14);
  --j9-shadow-up:0 8px 20px -8px rgba(18,199,154,.45);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--j9-page);
  color:var(--j9-text);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--j9-brand-deep);text-decoration:none;transition:color .18s ease;}
a:visited{color:var(--j9-brand-deep);}
a:hover{color:var(--j9-brand);}
a:focus-visible{outline:3px solid rgba(18,199,154,.45);outline-offset:2px;border-radius:4px;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--j9-text-dark);font-weight:600;line-height:1.35;}
p{margin:0 0 .95em;}
ul{margin:0;padding:0;list-style:none;}
.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ============ 导航 ============ */
.j9-header{
  position:sticky;top:0;z-index:80;
  background:rgba(21,27,36,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .24s ease,border-color .24s ease;
}
.j9-header.is-scrolled{background:#151B24;border-bottom-color:var(--j9-line-dark);}
.j9-nav{display:flex;align-items:center;gap:24px;height:68px;}
.j9-logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.j9-logo:visited{color:inherit;}
.j9-logo-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:9px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#12C79A,#0E9E7A);
  color:#06231B;font-weight:700;font-size:17px;
  box-shadow:0 0 0 1px rgba(42,230,182,.35),0 6px 16px -8px rgba(18,199,154,.7);
}
.j9-logo-text{color:#fff;font-size:18px;font-weight:600;letter-spacing:0;white-space:nowrap;}
.j9-menu{display:flex;align-items:center;gap:26px;margin-left:8px;}
.j9-menu a{
  position:relative;color:var(--j9-text-on-dark);font-size:14px;padding:6px 0;white-space:nowrap;
}
.j9-menu a:visited{color:var(--j9-text-on-dark);}
.j9-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--j9-brand-light);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.j9-menu a:hover{color:#fff;}
.j9-menu a:hover::after{transform:scaleX(1);}
.j9-menu a.is-active{color:var(--j9-brand-light);}
.j9-menu a.is-active::after{transform:scaleX(1);}
.j9-nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.j9-search{
  display:flex;align-items:center;gap:8px;
  width:250px;height:38px;padding:0 10px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--j9-line-dark);
  border-radius:var(--j9-r-md);
  transition:border-color .2s ease,background .2s ease;
}
.j9-search:focus-within{border-color:rgba(42,230,182,.6);background:rgba(255,255,255,.09);}
.j9-search i{color:#8D99A6;font-size:13px;}
.j9-search input{
  flex:1;min-width:0;height:100%;background:transparent;border:0;outline:none;
  color:#E7EDF3;font-size:13px;
}
.j9-search input::placeholder{color:#8D99A6;}
.j9-key{
  font-size:11px;color:#8D99A6;border:1px solid var(--j9-line-dark);
  border-radius:6px;padding:1px 6px;white-space:nowrap;
}
.j9-quick{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--j9-text-on-dark);font-size:14px;white-space:nowrap;
}
.j9-quick:visited{color:var(--j9-text-on-dark);}
.j9-quick:hover{color:#fff;}
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--j9-r-md);font-size:15px;font-weight:600;line-height:1;
  padding:0 20px;height:44px;border:1.5px solid transparent;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.j9-btn--primary{background:var(--j9-brand);color:#06231B;}
.j9-btn--primary:visited{color:#06231B;}
.j9-btn--primary:hover{background:#1FD6A6;color:#06231B;transform:translateY(-1px);box-shadow:var(--j9-shadow-up);}
.j9-btn--primary:active{transform:translateY(0);box-shadow:none;}
.j9-btn--ghost{background:transparent;color:var(--j9-brand-light);border-color:rgba(42,230,182,.55);}
.j9-btn--ghost:visited{color:var(--j9-brand-light);}
.j9-btn--ghost:hover{background:rgba(42,230,182,.12);border-color:var(--j9-brand-light);color:var(--j9-brand-light);}
.j9-btn--outline{background:transparent;color:var(--j9-brand-deep);border-color:#B9DCD1;}
.j9-btn--outline:visited{color:var(--j9-brand-deep);}
.j9-btn--outline:hover{background:rgba(18,199,154,.08);border-color:var(--j9-brand-deep);color:var(--j9-brand-deep);}
.j9-btn--sm{height:36px;font-size:14px;padding:0 16px;}
.j9-btn--lg{height:48px;font-size:16px;padding:0 26px;}
.j9-btn--on-dark-outline{background:transparent;color:#E7EDF3;border-color:rgba(255,255,255,.22);}
.j9-btn--on-dark-outline:visited{color:#E7EDF3;}
.j9-btn--on-dark-outline:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);color:#fff;}
.j9-burger{
  display:none;width:44px;height:44px;border-radius:var(--j9-r-md);
  color:#E7EDF3;font-size:18px;align-items:center;justify-content:center;
}
.j9-burger:hover{background:rgba(255,255,255,.08);}

/* ============ 分类头 ============ */
.j9-cathead{
  position:relative;overflow:hidden;
  background:#0E1319;
  padding:44px 0 48px;
}
.j9-cathead::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center right;
  opacity:.28;
}
.j9-cathead::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,19,25,.96) 0%,rgba(14,19,25,.82) 45%,rgba(14,19,25,.42) 100%);
}
.j9-cathead .j9-container{position:relative;z-index:2;}
.j9-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:#A9B4C0;margin-bottom:18px;}
.j9-crumb a{color:#A9B4C0;}
.j9-crumb a:visited{color:#A9B4C0;}
.j9-crumb a:hover{color:var(--j9-brand-light);}
.j9-crumb span.sep{color:rgba(255,255,255,.28);}
.j9-crumb span.now{color:var(--j9-brand-light);}
.j9-cathead h1{
  color:#fff;font-size:38px;font-weight:700;line-height:1.28;
  max-width:860px;margin-bottom:14px;
}
.j9-cathead p{color:var(--j9-text-on-dark);font-size:16px;max-width:680px;margin:0;}
.j9-tagline{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(18,199,154,.12);border:1px solid rgba(42,230,182,.3);
  color:var(--j9-brand-light);font-size:12px;font-weight:500;
  padding:4px 12px;border-radius:var(--j9-r-pill);margin-bottom:16px;
}

/* ============ 主体布局 ============ */
.j9-main{padding:64px 0 88px;}
.j9-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start;}
.j9-anchor{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--j9-line);border-radius:var(--j9-r-lg);
  padding:18px 14px;box-shadow:var(--j9-shadow);
}
.j9-anchor h3{font-size:14px;color:var(--j9-text-soft);font-weight:600;padding:0 10px 12px;letter-spacing:.5px;}
.j9-anchor a{
  display:block;position:relative;
  padding:10px 12px;border-radius:var(--j9-r-md);
  font-size:14px;color:var(--j9-text);line-height:1.5;
  transition:background .18s ease,color .18s ease;
}
.j9-anchor a:visited{color:var(--j9-text);}
.j9-anchor a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:20px;border-radius:2px;background:var(--j9-brand);
  transition:transform .18s ease;
}
.j9-anchor a:hover{background:#F2F7F5;color:var(--j9-brand-deep);}
.j9-anchor a.is-current{background:#F2F7F5;color:var(--j9-brand-deep);font-weight:600;}
.j9-anchor a.is-current::before{transform:translateY(-50%) scaleY(1);}
.j9-anchor .j9-anchor-cta{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--j9-line);
}
.j9-anchor .j9-anchor-cta .j9-btn{width:100%;}

/* 正文 */
.j9-prose{
  background:#fff;border:1px solid var(--j9-line);border-radius:20px;
  padding:40px 44px;box-shadow:var(--j9-shadow);
}
.j9-prose h2{
  position:relative;font-size:24px;color:var(--j9-text-dark);
  padding-left:16px;margin:44px 0 16px;
}
.j9-prose h2:first-of-type{margin-top:0;}
.j9-prose h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--j9-brand);
}
.j9-prose h3{font-size:19px;margin:28px 0 12px;color:var(--j9-text-dark);}
.j9-prose p{font-size:16px;line-height:1.78;color:var(--j9-text);}
.j9-prose .j9-lead{font-size:17px;color:var(--j9-text);}
.j9-prose ul.j9-dot{margin:20px 0;}
.j9-prose ul.j9-dot li{
  position:relative;padding-left:20px;margin-bottom:10px;
  font-size:16px;line-height:1.8;color:var(--j9-text);
}
.j9-prose ul.j9-dot li::before{
  content:"";position:absolute;left:0;top:.7em;
  width:6px;height:6px;border-radius:1px;background:var(--j9-brand);
}
.j9-figure{margin:26px 0 8px;}
.j9-figure .j9-imgbox{
  position:relative;width:100%;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:#EDF1F5;
}
.j9-figure img{width:100%;height:100%;object-fit:cover;}
.j9-figure figcaption{font-size:13px;color:var(--j9-text-soft);margin-top:12px;}

/* 安全清单 */
.j9-checklist{
  margin:22px 0 8px;border-top:1px solid var(--j9-line);
}
.j9-checklist li{
  display:flex;align-items:flex-start;gap:14px;
  padding:12px 2px;border-bottom:1px solid var(--j9-line);min-height:44px;
}
.j9-check{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;margin-top:5px;
  background:var(--j9-brand);color:#06231B;font-size:11px;
  display:grid;place-items:center;transition:background .18s ease,transform .18s ease;
}
.j9-check i{opacity:0;transition:opacity .18s ease;}
.j9-checklist li.is-done .j9-check i{opacity:1;}
.j9-checklist li.is-done .j9-check{background:var(--j9-success);color:#fff;}
.j9-checklist .j9-check-text{font-size:15.5px;line-height:1.7;color:var(--j9-text);}
.j9-checklist .j9-check-title{font-size:15.5px;font-weight:600;color:var(--j9-text-dark);display:block;margin-bottom:2px;}
.j9-checklist .j9-check-note{font-size:14px;color:var(--j9-text-soft);}

/* 警示卡 */
.j9-alert{
  display:flex;gap:16px;
  background:var(--j9-amber-soft);border-left:3px solid var(--j9-amber);
  border-radius:var(--j9-r-md);padding:20px 22px;margin:26px 0 8px;
}
.j9-alert i{color:#B9761D;font-size:18px;margin-top:3px;}
.j9-alert h3{font-size:16px;color:#74480E;margin:0 0 6px;}
.j9-alert p{font-size:14.5px;color:#7A5219;margin:0;line-height:1.7;}

/* 适用场景 */
.j9-section{padding:80px 0;}
.j9-section--light{background:#fff;border-top:1px solid var(--j9-line);border-bottom:1px solid var(--j9-line);}
.j9-sec-head{max-width:720px;margin-bottom:36px;}
.j9-sec-head h2{font-size:34px;color:var(--j9-text-dark);margin-bottom:12px;}
.j9-sec-head p{font-size:16px;color:var(--j9-text-soft);margin:0;}
.j9-grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.j9-card{
  background:#fff;border:1px solid var(--j9-line);border-radius:var(--j9-r-lg);
  padding:26px;box-shadow:var(--j9-shadow);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.j9-card:hover{border-color:rgba(18,199,154,.35);transform:translateY(-2px);}
.j9-card .j9-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(18,199,154,.1);color:var(--j9-brand-deep);font-size:18px;margin-bottom:16px;
}
.j9-card h3{font-size:18px;color:var(--j9-text-dark);margin-bottom:10px;}
.j9-card p{font-size:15px;color:var(--j9-text);margin:0;}
.j9-badge{
  display:inline-block;font-size:12px;font-weight:500;
  padding:4px 10px;border-radius:var(--j9-r-pill);
  background:rgba(18,199,154,.12);color:var(--j9-brand-deep);
}
.j9-badge--amber{background:rgba(240,160,60,.16);color:#9A6412;}

/* 流程 */
.j9-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:12px;}
.j9-step{position:relative;padding:0 22px 0 0;}
.j9-step::after{
  content:"";position:absolute;top:16px;left:38px;right:8px;height:1px;
  border-top:1px dashed #CBD5DE;
}
.j9-step:last-child::after{display:none;}
.j9-step .j9-step-num{
  width:32px;height:32px;border-radius:var(--j9-r-pill);
  background:rgba(240,160,60,.18);color:#9A6412;
  display:grid;place-items:center;font-size:13px;font-weight:700;
  margin-bottom:18px;position:relative;z-index:2;
  border:1px solid rgba(240,160,60,.4);
}
.j9-step h3{font-size:17px;color:var(--j9-text-dark);margin-bottom:8px;}
.j9-step p{font-size:14.5px;color:var(--j9-text);margin:0;}

/* FAQ */
.j9-faq{background:#fff;border:1px solid var(--j9-line);border-radius:20px;padding:14px 30px;box-shadow:var(--j9-shadow);}
.j9-faq-item{border-bottom:1px solid var(--j9-line);}
.j9-faq-item:last-child{border-bottom:0;}
.j9-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:18px 0;min-height:56px;
  font-size:16px;font-weight:600;color:var(--j9-text-dark);
}
.j9-faq-q:hover{color:var(--j9-brand-deep);}
.j9-faq-q .j9-faq-ico{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  border:1.5px solid #C6D0DA;color:var(--j9-brand-deep);
  display:grid;place-items:center;font-size:11px;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.j9-faq-item.is-open .j9-faq-ico{transform:rotate(45deg);border-color:var(--j9-brand);background:rgba(18,199,154,.1);}
.j9-faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease,opacity .22s ease;opacity:0;
}
.j9-faq-item.is-open .j9-faq-a{opacity:1;}
.j9-faq-a p{font-size:15px;color:var(--j9-text);padding:0 0 20px;margin:0;line-height:1.78;}

/* CTA */
.j9-cta{
  position:relative;overflow:hidden;background:#0E1319;
  padding:64px 0;
}
.j9-cta::before{
  content:"";position:absolute;top:0;right:0;bottom:0;width:52%;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.22;
}
.j9-cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,19,25,.97) 0%,rgba(14,19,25,.8) 50%,rgba(14,19,25,.55) 100%);
}
.j9-cta .j9-container{position:relative;z-index:2;}
.j9-cta h2{color:#fff;font-size:30px;margin-bottom:14px;max-width:620px;}
.j9-cta p{color:var(--j9-text-on-dark);font-size:16px;max-width:620px;margin-bottom:26px;}
.j9-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.j9-cta-points{display:flex;flex-wrap:wrap;gap:24px;}
.j9-cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#A9B4C0;}
.j9-cta-points i{color:var(--j9-brand-light);font-size:12px;}

/* 页脚 */
.j9-footer{background:#151B24;padding:64px 0 0;color:var(--j9-text-on-dark);}
.j9-footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px;padding-bottom:44px;}
.j9-footer p{font-size:14px;line-height:1.8;color:#A9B4C0;margin:16px 0 18px;max-width:320px;}
.j9-footer h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;}
.j9-footer ul li{margin-bottom:10px;}
.j9-footer ul a{font-size:14px;color:#A9B4C0;display:inline-block;transition:color .18s ease,transform .18s ease;}
.j9-footer ul a:visited{color:#A9B4C0;}
.j9-footer ul a:hover{color:var(--j9-brand-light);transform:translateX(2px);}
.j9-footer-links{display:flex;flex-wrap:wrap;gap:16px;}
.j9-footer-links a{font-size:13px;color:var(--j9-brand-light);}
.j9-footer-links a:visited{color:var(--j9-brand-light);}
.j9-footer-links a:hover{color:#fff;}
.j9-footer-info li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#A9B4C0;}
.j9-footer-info i{color:var(--j9-brand);margin-top:5px;font-size:13px;}
.j9-footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
  font-size:12px;color:#8D99A6;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .j9-container{padding:0 28px;}
}
@media (max-width:1023px){
  .j9-container{padding:0 24px;}
  .j9-nav{height:56px;gap:16px;}
  .j9-logo-text{font-size:16px;}
  .j9-search,.j9-quick{display:none;}
  .j9-burger{display:inline-flex;}
  .j9-menu{
    position:fixed;top:56px;left:0;bottom:0;width:88%;max-width:340px;
    flex-direction:column;align-items:flex-start;gap:0;margin:0;
    background:#0E1319;border-right:1px solid var(--j9-line-dark);
    padding:16px 20px 32px;overflow-y:auto;
    transform:translateX(-102%);transition:transform .22s ease;z-index:70;
  }
  .j9-menu a{
    display:flex;align-items:center;width:100%;min-height:52px;
    font-size:15px;border-bottom:1px solid rgba(255,255,255,.07);
  }
  .j9-menu a::after{display:none;}
  body.j9-nav-open .j9-menu{transform:translateX(0);}
  .j9-cathead h1{font-size:30px;}
  .j9-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .j9-anchor{
    position:static;display:flex;gap:10px;overflow-x:auto;
    padding:12px;border-radius:14px;
  }
  .j9-anchor h3{display:none;}
  .j9-anchor a{white-space:nowrap;padding:8px 12px;font-size:13.5px;}
  .j9-anchor a::before{display:none;}
  .j9-anchor .j9-anchor-cta{margin:0;padding:0;border:0;}
  .j9-anchor .j9-anchor-cta .j9-btn{width:auto;height:34px;font-size:13.5px;padding:0 14px;}
  .j9-prose{padding:30px 26px;border-radius:16px;}
  .j9-sec-head h2{font-size:26px;}
  .j9-grid2{gap:18px;}
  .j9-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0;}
  .j9-step:nth-child(2)::after{display:none;}
  .j9-section{padding:64px 0;}
  .j9-main{padding:48px 0 64px;}
  .j9-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .j9-cta h2{font-size:26px;}
}
@media (max-width:767px){
  .j9-container{padding:0 20px;}
  .j9-cathead{padding:32px 0 36px;}
  .j9-cathead h1{font-size:26px;}
  .j9-cathead p{font-size:15px;}
  .j9-main{padding:40px 0 56px;}
  .j9-prose{padding:24px 20px;}
  .j9-prose h2{font-size:21px;margin-top:36px;}
  .j9-prose h3{font-size:17px;}
  .j9-grid2{grid-template-columns:minmax(0,1fr);}
  .j9-steps{grid-template-columns:minmax(0,1fr);gap:28px;}
  .j9-step{padding-right:0;}
  .j9-step::after{display:none;}
  .j9-section{padding:48px 0;}
  .j9-sec-head h2{font-size:23px;}
  .j9-faq{padding:8px 18px;}
  .j9-faq-q{font-size:15px;min-height:52px;}
  .j9-cta{padding:48px 0;}
  .j9-cta-actions{flex-direction:column;align-items:stretch;}
  .j9-cta-actions .j9-btn{width:100%;}
  .j9-cta-points{gap:14px;flex-direction:column;}
  .j9-footer-grid{grid-template-columns:minmax(0,1fr);}
  .j9-footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .j9-logo-text{font-size:15px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .j9-btn--sm{height:34px;padding:0 12px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}
html{scroll-behavior:smooth;}

/* roulang page: category3 */
:root{
  --j9-dark:#0E1319;
  --j9-dark-2:#151B24;
  --j9-white:#FFFFFF;
  --j9-light:#F6F8FA;
  --j9-brand:#12C79A;
  --j9-brand-bright:#2AE6B6;
  --j9-brand-deep:#0E9E7A;
  --j9-amber:#F0A03C;
  --j9-text-dark:#101720;
  --j9-text-body:#4A5561;
  --j9-text-sub:#7A8694;
  --j9-text-on-dark:#C9D3DE;
  --j9-text-on-dark-sub:#A9B4C0;
  --j9-line:#E5E9EF;
  --j9-line-dark:rgba(255,255,255,.10);
  --j9-shadow:0 1px 2px rgba(16,24,40,.04),0 10px 28px -14px rgba(16,24,40,.14);
  --j9-radius:16px;
  --j9-radius-sm:10px;
  --j9-radius-img:12px;
  --j9-max:1200px;
  --j9-pad:32px;
  --j9-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--j9-text-body);
  background:var(--j9-light);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--j9-brand-deep);text-decoration:none;transition:color .18s ease;}
a:hover,a:focus{color:var(--j9-brand);}
a:visited{color:var(--j9-brand-deep);}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--j9-text-dark);}
h1,h2,h3,h4{margin:0;color:var(--j9-text-dark);font-weight:600;letter-spacing:0;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(18,199,154,.55);outline-offset:2px;border-radius:4px;}
.j9-container{width:100%;max-width:var(--j9-max);margin:0 auto;padding:0 var(--j9-pad);}
.j9-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12px;line-height:18px;font-weight:500;
  background:rgba(18,199,154,.12);color:var(--j9-brand-deep);
}
.j9-badge--amber{background:rgba(240,160,60,.18);color:#8A5410;}
.j9-badge--dark{background:rgba(42,230,182,.14);color:var(--j9-brand-bright);}

/* ---------- buttons ---------- */
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--j9-radius-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  border:1.5px solid transparent;
}
.j9-btn--primary{background:var(--j9-brand);color:#06231B;}
.j9-btn--primary:hover{background:#1FD6A9;color:#06231B;transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(18,199,154,.6);}
.j9-btn--primary:active{transform:translateY(0);box-shadow:none;}
.j9-btn--ghost{background:transparent;border-color:var(--j9-brand-deep);color:var(--j9-brand-deep);}
.j9-btn--ghost:hover{background:rgba(18,199,154,.08);border-color:var(--j9-brand);color:var(--j9-brand-deep);transform:translateY(-1px);}
.j9-btn--ghost-dark{background:transparent;border-color:rgba(255,255,255,.28);color:#FFFFFF;}
.j9-btn--ghost-dark:hover{background:rgba(255,255,255,.08);border-color:var(--j9-brand-bright);color:#FFFFFF;transform:translateY(-1px);}
.j9-btn--sm{height:38px;padding:0 16px;font-size:14px;}
.j9-btn--lg{height:48px;padding:0 28px;}
.j9-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--j9-brand-deep);}
.j9-more i{transition:transform .18s ease;}
.j9-more:hover i{transform:translateX(2px);}

/* ---------- header / nav ---------- */
.j9-header{
  position:sticky;top:0;z-index:60;
  background:rgba(21,27,36,.86);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease;
}
.j9-header.is-scrolled{background:#151B24;border-bottom-color:var(--j9-line-dark);}
.j9-nav{display:flex;align-items:center;gap:24px;height:68px;}
.j9-logo{display:inline-flex;align-items:center;gap:10px;color:#FFFFFF;font-weight:600;font-size:18px;line-height:1;}
.j9-logo:hover,.j9-logo:visited{color:#FFFFFF;}
.j9-logo-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 32px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(18,199,154,.14);
  border:1px solid rgba(42,230,182,.5);
  color:var(--j9-brand-bright);font-weight:700;font-size:16px;
}
.j9-logo-text{white-space:nowrap;}
.j9-menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;}
.j9-menu a{
  position:relative;display:inline-block;padding:10px 12px;
  font-size:14px;color:var(--j9-text-on-dark);border-radius:8px;
  transition:color .18s ease,background-color .18s ease;
}
.j9-menu a:visited{color:var(--j9-text-on-dark);}
.j9-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--j9-brand-bright);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;transition:transform .2s ease;
}
.j9-menu a:hover{color:#FFFFFF;}
.j9-menu a:hover::after{transform:scaleX(1);}
.j9-menu a.is-active{color:var(--j9-brand-bright);}
.j9-menu a.is-active::after{transform:scaleX(1);}
.j9-nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.j9-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px 0 12px;
  border-radius:var(--j9-radius-sm);
  background:rgba(255,255,255,.06);
  border:1px solid var(--j9-line-dark);
  transition:border-color .18s ease,background-color .18s ease;
}
.j9-search:hover{border-color:rgba(42,230,182,.4);}
.j9-search i{color:var(--j9-text-on-dark-sub);font-size:13px;}
.j9-search input{
  flex:1 1 auto;min-width:0;height:100%;background:transparent;border:0;outline:none;
  color:#FFFFFF;font-size:14px;
}
.j9-search input::placeholder{color:#8B96A3;}
.j9-search input:focus-visible{outline:none;}
.j9-key{
  font-size:11px;line-height:18px;padding:1px 7px;border-radius:999px;
  color:var(--j9-text-on-dark-sub);background:rgba(255,255,255,.07);
  border:1px solid var(--j9-line-dark);white-space:nowrap;
}
.j9-quick{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--j9-text-on-dark);}
.j9-quick:visited{color:var(--j9-text-on-dark);}
.j9-quick:hover{color:#FFFFFF;}
.j9-burger{
  display:none;width:44px;height:44px;border-radius:var(--j9-radius-sm);
  color:#FFFFFF;background:rgba(255,255,255,.06);border:1px solid var(--j9-line-dark);
}

/* ---------- breadcrumb & page head ---------- */
.j9-crumb{font-size:12px;line-height:20px;color:var(--j9-text-on-dark-sub);}
.j9-crumb a{color:var(--j9-text-on-dark-sub);}
.j9-crumb a:hover{color:var(--j9-brand-bright);}
.j9-crumb span.sep{margin:0 8px;color:rgba(201,211,222,.45);}
.j9-pagehead{
  position:relative;overflow:hidden;background:var(--j9-dark);
  padding:44px 0 48px;color:var(--j9-text-on-dark);
}
.j9-pagehead::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(14,19,25,.94) 0%,rgba(14,19,25,.72) 45%,rgba(14,19,25,.35) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center right;
  opacity:.9;
}
.j9-pagehead::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;opacity:.5;
}
.j9-pagehead .j9-container{position:relative;z-index:2;}
.j9-pagehead h1{
  margin:14px 0 12px;color:#FFFFFF;font-size:42px;line-height:52px;font-weight:700;
}
.j9-pagehead p{max-width:640px;margin:0;color:var(--j9-text-on-dark);font-size:16px;line-height:28px;}

/* ---------- sections ---------- */
.j9-section{padding:var(--j9-section) 0;}
.j9-section--light{background:var(--j9-light);}
.j9-section--white{background:var(--j9-white);}
.j9-section--dark{background:var(--j9-dark);color:var(--j9-text-on-dark);}
.j9-section--dark h2,.j9-section--dark h3{color:#FFFFFF;}
.j9-section-head{max-width:700px;margin-bottom:36px;}
.j9-section-head h2{font-size:34px;line-height:42px;margin-bottom:14px;}
.j9-section-head p{margin:0;color:var(--j9-text-sub);}
.j9-section--dark .j9-section-head p{color:var(--j9-text-on-dark-sub);}

/* ---------- search panel ---------- */
.j9-searchpanel{
  background:var(--j9-white);border:1px solid var(--j9-line);border-radius:20px;
  padding:28px;box-shadow:var(--j9-shadow);
}
.j9-searchbar{
  display:flex;align-items:center;gap:10px;
  height:52px;padding:0 8px 0 18px;
  background:var(--j9-light);border:1px solid var(--j9-line);border-radius:12px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.j9-searchbar:focus-within{border-color:var(--j9-brand);box-shadow:0 0 0 4px rgba(18,199,154,.14);background:#FFFFFF;}
.j9-searchbar > i{color:var(--j9-text-sub);font-size:15px;}
.j9-searchbar input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px;}
.j9-searchbar input::placeholder{color:#9AA5B1;}
.j9-tags{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:18px;}
.j9-tags .j9-tags-label{font-size:13px;color:var(--j9-text-sub);}
.j9-tag{
  display:inline-flex;align-items:center;height:32px;padding:0 12px;border-radius:999px;
  font-size:13px;color:var(--j9-text-body);background:var(--j9-light);
  border:1px solid var(--j9-line);transition:all .18s ease;
}
.j9-tag:hover{color:var(--j9-brand-deep);border-color:rgba(18,199,154,.4);background:rgba(18,199,154,.08);transform:translateY(-1px);}

/* ---------- FAQ ---------- */
.j9-faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;}
.j9-faq-col{background:var(--j9-white);border:1px solid var(--j9-line);border-radius:20px;padding:28px 28px 12px;box-shadow:var(--j9-shadow);}
.j9-faq-col h3{font-size:22px;line-height:32px;margin-bottom:6px;}
.j9-faq-col > p{font-size:14px;line-height:22px;color:var(--j9-text-sub);margin-bottom:18px;}
.j9-faq-item{border-bottom:1px solid var(--j9-line);}
.j9-faq-item:last-child{border-bottom:0;}
.j9-faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  min-height:56px;padding:14px 0;text-align:left;
  font-size:16px;font-weight:600;color:var(--j9-text-dark);line-height:26px;
  transition:color .18s ease;
}
.j9-faq-q:hover{color:var(--j9-brand-deep);}
.j9-faq-q i{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--j9-brand-deep);background:rgba(18,199,154,.12);
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.j9-faq-item.is-open .j9-faq-q{color:var(--j9-brand-deep);}
.j9-faq-item.is-open .j9-faq-q i{transform:rotate(45deg);background:var(--j9-brand);color:#06231B;}
.j9-faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.j9-faq-a-inner{padding:0 0 18px;}
.j9-faq-a p{margin:0;font-size:15px;line-height:27px;color:var(--j9-text-body);}
.j9-faq-item.is-open .j9-faq-a{max-height:420px;}

/* ---------- steps (asymmetric) ---------- */
.j9-steps{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;align-items:start;}
.j9-steps-intro h2{font-size:34px;line-height:42px;margin-bottom:16px;}
.j9-steps-intro p{color:var(--j9-text-sub);margin-bottom:20px;}
.j9-steps-note{
  border-left:3px solid var(--j9-amber);background:rgba(240,160,60,.10);
  border-radius:0 12px 12px 0;padding:16px 18px;font-size:14px;line-height:24px;color:#7A5010;
}
.j9-step-list{display:grid;gap:16px;}
.j9-step{
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;
  background:var(--j9-white);border:1px solid var(--j9-line);border-radius:var(--j9-radius);
  padding:22px 24px;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.j9-step:hover{border-color:rgba(18,199,154,.35);transform:translateY(-2px);box-shadow:var(--j9-shadow);}
.j9-step-num{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(240,160,60,.18);color:#8A5410;font-weight:700;font-size:17px;letter-spacing:0;
}
.j9-step h3{font-size:18px;line-height:28px;margin-bottom:6px;}
.j9-step p{margin:0;font-size:15px;line-height:26px;color:var(--j9-text-body);}

/* ---------- dark checklist ---------- */
.j9-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;}
.j9-figure{
  border-radius:var(--j9-radius-img);overflow:hidden;
  aspect-ratio:16/10;background:#EDF1F5;
  border:1px solid var(--j9-line-dark);
}
.j9-figure img{width:100%;height:100%;object-fit:cover;}
.j9-checklist{display:grid;gap:0;margin-top:22px;}
.j9-checklist li{
  display:flex;gap:12px;align-items:flex-start;
  min-height:44px;padding:10px 0;border-bottom:1px solid var(--j9-line-dark);
  color:var(--j9-text-on-dark);font-size:15px;line-height:26px;
}
.j9-checklist li:last-child{border-bottom:0;}
.j9-check{
  flex:0 0 22px;width:22px;height:22px;margin-top:2px;border-radius:999px;
  background:var(--j9-brand);color:#06231B;display:inline-flex;align-items:center;justify-content:center;font-size:10px;
}
.j9-dark-card{
  background:rgba(255,255,255,.04);border:1px solid var(--j9-line-dark);
  border-radius:var(--j9-radius);padding:28px;transition:border-color .18s ease,box-shadow .18s ease;
}
.j9-dark-card:hover{border-color:rgba(42,230,182,.4);box-shadow:inset 0 0 0 1px rgba(18,199,154,.18);}

/* ---------- still stuck bar ---------- */
.j9-still{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--j9-white);border:1px solid var(--j9-line);border-left:4px solid var(--j9-brand);
  border-radius:var(--j9-radius);padding:26px 28px;box-shadow:var(--j9-shadow);
}
.j9-still h3{font-size:20px;line-height:30px;margin-bottom:6px;}
.j9-still p{margin:0;font-size:14px;line-height:24px;color:var(--j9-text-sub);}

/* ---------- CTA ---------- */
.j9-cta{
  position:relative;overflow:hidden;background:var(--j9-dark-2);
  border-top:1px solid var(--j9-line-dark);padding:72px 0;
}
.j9-cta::before{
  content:"";position:absolute;right:0;top:0;bottom:0;width:46%;
  background-image:linear-gradient(90deg,rgba(21,27,36,1) 0%,rgba(21,27,36,.45) 60%,rgba(21,27,36,.25) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.j9-cta .j9-container{position:relative;z-index:2;}
.j9-cta-inner{max-width:640px;}
.j9-cta h2{color:#FFFFFF;font-size:32px;line-height:42px;margin-bottom:14px;}
.j9-cta p{color:var(--j9-text-on-dark-sub);margin-bottom:26px;}
.j9-cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px;}
.j9-safes{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:var(--j9-text-on-dark-sub);}
.j9-safes span{display:inline-flex;align-items:center;gap:7px;}
.j9-safes i{color:var(--j9-brand-bright);}

/* ---------- footer ---------- */
.j9-footer{background:var(--j9-dark-2);color:var(--j9-text-on-dark-sub);padding:64px 0 0;border-top:1px solid var(--j9-line-dark);}
.j9-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}
.j9-footer-grid h4{color:#FFFFFF;font-size:14px;line-height:22px;margin-bottom:16px;font-weight:600;}
.j9-footer-grid p{font-size:14px;line-height:24px;margin:16px 0 0;color:var(--j9-text-on-dark-sub);}
.j9-footer-grid ul li{margin-bottom:10px;}
.j9-footer-grid ul li a{font-size:14px;color:var(--j9-text-on-dark-sub);display:inline-block;transition:color .18s ease,transform .18s ease;}
.j9-footer-grid ul li a:visited{color:var(--j9-text-on-dark-sub);}
.j9-footer-grid ul li a:hover{color:var(--j9-brand-bright);transform:translateX(2px);}
.j9-footer-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;}
.j9-footer-links a{font-size:14px;color:var(--j9-brand-bright);}
.j9-footer-info li{display:flex;gap:10px;font-size:14px;line-height:24px;color:var(--j9-text-on-dark-sub);}
.j9-footer-info i{color:var(--j9-brand-bright);margin-top:5px;}
.j9-footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;line-height:20px;color:#8B96A3;
}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  :root{--j9-pad:24px;--j9-section:64px;}
  .j9-menu{display:none;}
  .j9-search{width:200px;}
  .j9-pagehead h1{font-size:34px;line-height:44px;}
  .j9-faq-grid{grid-template-columns:1fr;gap:24px;}
  .j9-steps,.j9-split{grid-template-columns:1fr;gap:32px;}
  .j9-footer-grid{grid-template-columns:1fr 1fr;}
  .j9-cta::before{width:100%;opacity:.45;}
}
@media screen and (max-width:767px){
  :root{--j9-pad:20px;--j9-section:48px;}
  .j9-nav{height:56px;gap:12px;}
  .j9-logo-text{font-size:16px;}
  .j9-search,.j9-quick{display:none;}
  .j9-burger{display:inline-flex;align-items:center;justify-content:center;}
  .j9-header.is-menu-open .j9-menu{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;left:0;right:0;top:100%;
    background:#151B24;border-bottom:1px solid var(--j9-line-dark);
    padding:8px 20px 20px;
  }
  .j9-header.is-menu-open .j9-menu a{padding:14px 0;font-size:15px;line-height:24px;}
  .j9-header.is-menu-open .j9-menu a::after{left:0;right:auto;width:28px;}
  .j9-pagehead{padding:32px 0 36px;}
  .j9-pagehead h1{font-size:30px;line-height:40px;}
  .j9-pagehead p{font-size:15px;line-height:26px;}
  .j9-section-head h2,.j9-steps-intro h2{font-size:24px;line-height:34px;}
  .j9-searchpanel{padding:20px;}
  .j9-searchbar{height:auto;min-height:52px;flex-wrap:wrap;padding:10px 12px;}
  .j9-searchbar input{width:100%;flex:1 1 100%;height:36px;}
  .j9-searchbar .j9-btn{width:100%;}
  .j9-faq-q{font-size:15px;line-height:24px;}
  .j9-step{grid-template-columns:44px 1fr;padding:18px;} 
  .j9-step-num{width:44px;height:44px;border-radius:12px;font-size:15px;}
  .j9-cta h2{font-size:24px;line-height:34px;}
  .j9-cta-actions .j9-btn{width:100%;}
  .j9-still{flex-direction:column;align-items:flex-start;}
  .j9-still .j9-btn{width:100%;}
  .j9-footer-grid{grid-template-columns:1fr;gap:28px;}
  .j9-footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --j9-dark:#0E1319;
  --j9-panel:#151B24;
  --j9-main:#12C79A;
  --j9-main-lt:#2AE6B6;
  --j9-main-dp:#0E9E7A;
  --j9-amber:#F0A03C;
  --j9-warn:#E9A23B;
  --j9-ok:#12A47C;
  --j9-head:#101720;
  --j9-body:#4A5561;
  --j9-muted:#7A8694;
  --j9-d1:#FFFFFF;
  --j9-d2:#C9D3DE;
  --j9-d3:#A9B4C0;
  --j9-line:#E5E9EF;
  --j9-line-dark:rgba(255,255,255,.10);
  --j9-page:#F6F8FA;
  --j9-card:#FFFFFF;
  --j9-r-card:16px;
  --j9-r-sm:10px;
  --j9-r-pill:999px;
  --j9-r-img:12px;
  --j9-shadow:0 1px 2px rgba(16,24,40,.04), 0 10px 28px -14px rgba(16,24,40,.14);
  --j9-shadow-lift:0 2px 4px rgba(16,24,40,.05), 0 18px 34px -18px rgba(16,24,40,.20);
  --j9-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --j9-sec:88px;
  --j9-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--j9-font);
  font-size:16px;
  line-height:1.75;
  color:var(--j9-body);
  background:var(--j9-page);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--j9-main-dp);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--j9-main);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--j9-main);outline-offset:2px;box-shadow:0 0 0 3px rgba(18,199,154,.22);border-radius:6px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;color:var(--j9-head);font-weight:600;letter-spacing:0;line-height:1.3;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.j9-container{width:100%;max-width:var(--j9-container);margin:0 auto;padding:0 32px;}
.j9-sec{padding:var(--j9-sec) 0;}

/* ============ 按钮 ============ */
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--j9-r-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.j9-btn--primary{background:var(--j9-main);color:#06231B;border-color:var(--j9-main);}
.j9-btn--primary:hover{background:#1FD6A9;border-color:#1FD6A9;color:#06231B;transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(18,199,154,.6);}
.j9-btn--primary:active{transform:translateY(0);box-shadow:none;}
.j9-btn--ghost{background:transparent;color:var(--j9-main-lt);border-color:rgba(42,230,182,.5);}
.j9-btn--ghost:hover{background:rgba(42,230,182,.10);border-color:var(--j9-main-lt);color:var(--j9-main-lt);transform:translateY(-1px);}
.j9-btn--light{background:transparent;color:var(--j9-main-dp);border-color:rgba(14,158,122,.45);}
.j9-btn--light:hover{background:rgba(18,199,154,.08);border-color:var(--j9-main-dp);color:var(--j9-main-dp);transform:translateY(-1px);}
.j9-btn--sm{height:36px;padding:0 16px;font-size:14px;}
.j9-btn--lg{height:48px;padding:0 28px;font-size:16px;}
.j9-btn .fa-solid,.j9-btn .fa-regular{font-size:13px;}

.j9-linkarrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--j9-main-dp);}
.j9-linkarrow i{transition:transform .18s ease;}
.j9-linkarrow:hover i{transform:translateX(2px);}

/* ============ 头部导航 ============ */
.j9-header{
  position:sticky;top:0;z-index:60;width:100%;
  background:rgba(21,27,36,.86);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease;
}
.j9-header.is-scrolled{background:#151B24;border-bottom-color:var(--j9-line-dark);}
.j9-nav{display:flex;align-items:center;gap:28px;height:68px;}
.j9-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:#fff;}
.j9-logo:hover{color:#fff;}
.j9-logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,rgba(18,199,154,.22),rgba(18,199,154,.06));
  border:1px solid rgba(42,230,182,.45);
  color:var(--j9-main-lt);font-weight:700;font-size:16px;font-family:var(--j9-font);
}
.j9-logo-text{font-size:18px;font-weight:600;color:#fff;letter-spacing:0;white-space:nowrap;}
.j9-menu{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1 1 auto;}
.j9-menu a{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:14px;color:var(--j9-d2);border-radius:8px;
}
.j9-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--j9-main);border-radius:2px;transform:scaleX(0);transform-origin:center;
  transition:transform .18s ease;
}
.j9-menu a:hover{color:#fff;}
.j9-menu a:hover::after{transform:scaleX(1);}
.j9-menu a.is-active{color:var(--j9-main-lt);}
.j9-menu a.is-active::after{transform:scaleX(1);}
.j9-nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.j9-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px 0 12px;border-radius:var(--j9-r-sm);
  background:rgba(255,255,255,.06);border:1px solid var(--j9-line-dark);
  transition:border-color .18s ease,background-color .18s ease;
}
.j9-search:focus-within{border-color:rgba(42,230,182,.55);background:rgba(255,255,255,.09);}
.j9-search i{color:#7F8B99;font-size:13px;}
.j9-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;color:#E7EDF4;
  font-size:14px;font-family:inherit;outline:none;
}
.j9-search input::placeholder{color:#7F8B99;}
.j9-key{
  flex:0 0 auto;padding:2px 7px;border-radius:6px;font-size:11px;color:#93A0AE;
  background:rgba(255,255,255,.07);border:1px solid var(--j9-line-dark);line-height:1.5;
}
.j9-quick{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--j9-d2);padding:8px 4px;}
.j9-quick i{font-size:14px;color:#8B97A5;}
.j9-quick:hover{color:#fff;}
.j9-burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--j9-r-sm);
  color:var(--j9-d2);background:rgba(255,255,255,.06);border:1px solid var(--j9-line-dark);
}
.j9-burger:hover{color:#fff;}

/* 移动抽屉 */
.j9-drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(8,12,17,.6);
}
.j9-drawer.is-open{display:block;}
.j9-drawer-panel{
  position:absolute;top:0;right:0;width:90%;max-width:340px;height:100%;
  background:#151B24;border-left:1px solid var(--j9-line-dark);
  padding:20px;overflow-y:auto;transform:translateX(100%);
  transition:transform .2s ease;
}
.j9-drawer.is-open .j9-drawer-panel{transform:translateX(0);}
.j9-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.j9-drawer-head .j9-logo-text{font-size:16px;}
.j9-drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;color:var(--j9-d2);border-radius:10px;background:rgba(255,255,255,.06);}
.j9-drawer nav a{
  display:flex;align-items:center;height:52px;padding:0 12px;
  color:var(--j9-d2);font-size:15px;border-bottom:1px solid rgba(255,255,255,.07);
}
.j9-drawer nav a.is-active{color:var(--j9-main-lt);}
.j9-drawer nav a:hover{color:#fff;background:rgba(255,255,255,.04);}
.j9-drawer-cta{margin-top:22px;display:block;}
.j9-drawer-cta .j9-btn{width:100%;}

/* ============ 页面窄头 ============ */
.j9-pagehead{
  position:relative;overflow:hidden;
  background-color:var(--j9-dark);
  padding:56px 0 52px;
}
.j9-pagehead::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(14,19,25,.94) 0%,rgba(14,19,25,.75) 45%,rgba(14,19,25,.35) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center right;
  opacity:.9;
}
.j9-pagehead::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.j9-pagehead .j9-container{position:relative;z-index:2;}
.j9-crumb{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--j9-d3);margin-bottom:18px;flex-wrap:wrap;}
.j9-crumb a{color:var(--j9-d3);}
.j9-crumb a:hover{color:var(--j9-main-lt);}
.j9-crumb-sep{color:rgba(255,255,255,.28);}
.j9-crumb .is-here{color:var(--j9-main-lt);}
.j9-pagehead h1{color:#fff;font-size:40px;font-weight:700;line-height:1.22;max-width:820px;}
.j9-pagehead-sub{margin-top:14px;max-width:680px;font-size:16px;line-height:1.8;color:var(--j9-d2);}
.j9-pagehead-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.j9-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--j9-r-pill);
  font-size:12px;line-height:1.7;
}
.j9-pill--green{background:rgba(18,199,154,.14);color:var(--j9-main-lt);border:1px solid rgba(42,230,182,.28);}
.j9-pill--amber{background:rgba(240,160,60,.16);color:#F6C078;border:1px solid rgba(240,160,60,.3);}
.j9-pill--soft{background:rgba(18,199,154,.10);color:var(--j9-main-dp);border:1px solid rgba(14,158,122,.22);}
.j9-pill--ghost{background:rgba(255,255,255,.06);color:var(--j9-d3);border:1px solid var(--j9-line-dark);}

/* ============ 条款时间线 ============ */
.j9-rules-sec{background:var(--j9-page);}
.j9-sec-head{max-width:760px;margin-bottom:44px;}
.j9-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--j9-main-dp);
  background:rgba(18,199,154,.10);border:1px solid rgba(14,158,122,.22);
  padding:4px 12px;border-radius:var(--j9-r-pill);margin-bottom:16px;
}
.j9-sec-head h2{font-size:34px;line-height:1.25;}
.j9-sec-head p{margin-top:14px;font-size:16px;color:var(--j9-body);}

.j9-timeline{position:relative;padding-left:36px;}
.j9-timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(18,199,154,.65),rgba(18,199,154,.15) 70%,rgba(18,199,154,0));
}
.j9-rule{
  position:relative;
  background:var(--j9-card);border:1px solid var(--j9-line);border-radius:var(--j9-r-card);
  margin-bottom:16px;box-shadow:var(--j9-shadow);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.j9-rule:hover{border-color:rgba(18,199,154,.35);transform:translateY(-2px);box-shadow:var(--j9-shadow-lift);}
.j9-rule::before{
  content:"";position:absolute;left:-32px;top:26px;width:11px;height:11px;border-radius:50%;
  background:var(--j9-page);border:2px solid var(--j9-main);box-sizing:border-box;
  transition:background-color .18s ease,box-shadow .18s ease;
}
.j9-rule.is-open::before{background:var(--j9-main);box-shadow:0 0 0 4px rgba(18,199,154,.16);}
.j9-rule-head{
  display:flex;align-items:center;gap:16px;width:100%;
  padding:20px 22px;text-align:left;
}
.j9-rule-no{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:26px;padding:0 10px;border-radius:var(--j9-r-pill);
  background:rgba(240,160,60,.16);color:#B97322;
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.j9-rule-title{flex:1 1 auto;font-size:18px;font-weight:600;color:var(--j9-head);}
.j9-rule-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--j9-line);color:var(--j9-main-dp);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.j9-rule.is-open .j9-rule-icon{transform:rotate(180deg);border-color:rgba(18,199,154,.5);background:rgba(18,199,154,.08);}
.j9-rule-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .2s ease;}
.j9-rule.is-open .j9-rule-body{grid-template-rows:1fr;}
.j9-rule-body > div{overflow:hidden;}
.j9-rule-inner{
  padding:0 22px 22px 76px;
  font-size:15px;line-height:1.85;color:var(--j9-body);
}
.j9-rule-inner .j9-rule-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ============ 图文说明 ============ */
.j9-fit{background:#fff;border-top:1px solid var(--j9-line);border-bottom:1px solid var(--j9-line);}
.j9-fit-grid{display:grid;grid-template-columns:0.85fr 1fr;gap:48px;align-items:center;}
.j9-fit-figure{
  position:relative;border-radius:var(--j9-r-img);overflow:hidden;
  aspect-ratio:4/3;background:#EDF1F5;
}
.j9-fit-figure img{width:100%;height:100%;object-fit:cover;}
.j9-fit-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(14,19,25,.32),rgba(14,19,25,0) 60%);
}
.j9-fit-copy h2{font-size:30px;line-height:1.3;}
.j9-fit-copy > p{margin-top:14px;color:var(--j9-body);}
.j9-checks{margin-top:24px;border-top:1px solid var(--j9-line);}
.j9-checks li{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 0;border-bottom:1px solid var(--j9-line);
  font-size:15px;color:var(--j9-head);line-height:1.7;
}
.j9-check-icon{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;margin-top:3px;
  background:var(--j9-main);color:#06231B;
  display:inline-flex;align-items:center;justify-content:center;font-size:10px;
}
.j9-checks li span small{display:block;color:var(--j9-muted);font-size:13px;line-height:1.6;margin-top:3px;}

/* ============ 提示卡 ============ */
.j9-note{
  margin-top:32px;padding:20px 22px;border-radius:var(--j9-r-card);
  background:#FDF6EC;border:1px solid rgba(240,160,60,.28);
  border-left:3px solid var(--j9-amber);
  font-size:14px;line-height:1.8;color:#7A5220;
  display:flex;gap:12px;
}
.j9-note i{color:var(--j9-amber);margin-top:3px;}

/* ============ 底部说明横条 ============ */
.j9-infobar{background:var(--j9-page);padding:56px 0;}
.j9-infobar-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:#F0F3F7;border:1px solid var(--j9-line);border-radius:var(--j9-r-card);
  overflow:hidden;
}
.j9-infobar-cell{padding:28px 30px;}
.j9-infobar-cell + .j9-infobar-cell{border-left:1px solid var(--j9-line);}
.j9-infobar-cell h3{font-size:16px;display:flex;align-items:center;gap:8px;margin-bottom:10px;}
.j9-infobar-cell h3 i{color:var(--j9-main-dp);font-size:14px;}
.j9-infobar-cell p{font-size:14px;line-height:1.8;color:var(--j9-body);}
.j9-infobar-cell a{font-weight:600;}

/* ============ CTA ============ */
.j9-cta{
  position:relative;overflow:hidden;background-color:var(--j9-dark);
  padding:64px 0;
}
.j9-cta::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(14,19,25,.96) 0%,rgba(14,19,25,.82) 50%,rgba(14,19,25,.45) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center right;
}
.j9-cta .j9-container{position:relative;z-index:2;}
.j9-cta-inner{
  background:rgba(255,255,255,.04);border:1px solid var(--j9-line-dark);
  border-radius:20px;padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:inset 0 0 0 1px rgba(18,199,154,.12), 0 0 60px -30px rgba(18,199,154,.5);
}
.j9-cta-inner h2{color:#fff;font-size:28px;line-height:1.35;}
.j9-cta-inner p{margin-top:10px;color:var(--j9-d2);font-size:15px;max-width:560px;}
.j9-cta-actions{display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap;}
.j9-cta-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:22px;}
.j9-cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--j9-d3);}
.j9-cta-points i{color:var(--j9-main-lt);font-size:12px;}

/* ============ 页脚 ============ */
.j9-footer{background:#151B24;color:var(--j9-d3);padding:64px 0 0;}
.j9-footer .j9-logo-text{font-size:17px;}
.j9-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.j9-footer-grid > div > p{margin-top:16px;font-size:14px;line-height:1.85;color:#8E9AA7;max-width:340px;}
.j9-footer h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:600;}
.j9-footer ul li{margin-bottom:10px;}
.j9-footer ul a{font-size:14px;color:var(--j9-d3);display:inline-block;transition:color .18s ease,transform .18s ease;}
.j9-footer ul a:hover{color:var(--j9-main-lt);transform:translateX(2px);}
.j9-footer-links{display:flex;gap:18px;margin-top:18px;flex-wrap:wrap;}
.j9-footer-links a{font-size:14px;color:var(--j9-main-lt);}
.j9-footer-links a:hover{color:#fff;}
.j9-footer-info li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#8E9AA7;}
.j9-footer-info i{color:var(--j9-main);font-size:13px;margin-top:5px;}
.j9-footer-bottom{
  margin-top:52px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:#7C8794;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .j9-container{max-width:100%;}
  .j9-search{width:210px;}
}
@media (max-width:1023px){
  :root{--j9-sec:64px;}
  .j9-container{padding:0 24px;}
  .j9-menu{display:none;}
  .j9-burger{display:inline-flex;}
  .j9-search{display:none;}
  .j9-nav{height:60px;}
  .j9-header{background:#151B24;}
  .j9-logo-text{font-size:16px;}
  .j9-pagehead{padding:44px 0 40px;}
  .j9-pagehead h1{font-size:32px;}
  .j9-sec-head h2{font-size:27px;}
  .j9-fit-grid{grid-template-columns:1fr;gap:32px;}
  .j9-fit-copy h2{font-size:25px;}
  .j9-cta-inner{flex-direction:column;align-items:flex-start;padding:32px 30px;}
  .j9-cta-inner h2{font-size:24px;}
  .j9-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--j9-sec:48px;}
  .j9-container{padding:0 20px;}
  body{font-size:15px;line-height:1.7;}
  .j9-pagehead h1{font-size:26px;}
  .j9-pagehead-sub{font-size:15px;}
  .j9-sec-head{margin-bottom:30px;}
  .j9-sec-head h2{font-size:23px;}
  .j9-sec-head p{font-size:15px;}
  .j9-timeline{padding-left:24px;}
  .j9-timeline::before{left:5px;}
  .j9-rule::before{left:-24px;top:24px;width:9px;height:9px;}
  .j9-rule-head{padding:16px 16px;gap:12px;}
  .j9-rule-no{min-width:34px;height:24px;font-size:11px;}
  .j9-rule-title{font-size:16px;}
  .j9-rule-inner{padding:0 16px 18px 16px;font-size:14.5px;}
  .j9-infobar{padding:40px 0;}
  .j9-infobar-grid{grid-template-columns:1fr;}
  .j9-infobar-cell{padding:24px 20px;}
  .j9-infobar-cell + .j9-infobar-cell{border-left:0;border-top:1px solid var(--j9-line);}
  .j9-cta{padding:48px 0;}
  .j9-cta-inner{padding:26px 20px;border-radius:16px;}
  .j9-cta-inner h2{font-size:21px;}
  .j9-cta-actions{width:100%;}
  .j9-cta-actions .j9-btn{flex:1 1 auto;}
  .j9-footer{padding-top:48px;}
  .j9-footer-grid{grid-template-columns:1fr;gap:28px;}
  .j9-footer-bottom{flex-direction:column;gap:8px;margin-top:36px;}
  .j9-btn--lg{height:46px;font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}