/* roulang page: index */
:root{
  --bg:#080C0E;
  --bg-2:#0E1518;
  --card:#11191D;
  --float:#172126;
  --line:#26343A;
  --text:#F4F7F5;
  --muted:#A8B6B2;
  --dim:#72827E;
  --mint:#35F2B3;
  --lime:#B7FF4A;
  --coral:#FF7A45;
  --gold:#FFD166;
  --danger:#FF5C7A;
  --grad:linear-gradient(135deg,#24E6B5 0%,#B8FF4A 58%,#FFB84D 100%);
  --r-lg:30px;
  --r-md:22px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow:0 18px 48px rgba(0,0,0,.32);
  --shadow-hover:0 24px 60px rgba(0,0,0,.44),0 0 0 1px rgba(53,242,179,.26);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.menu-open{overflow:hidden;}
img{max-width:100%;display:block;height:auto;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
.grid-container{max-width:1264px;padding-left:28px;padding-right:28px;}
.grid-x{width:100%;}
::selection{background:rgba(53,242,179,.28);color:#fff;}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,17,20,.94);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
  backdrop-filter:blur(8px);
}
.site-header.is-scrolled{background:rgba(8,12,14,.985);box-shadow:0 12px 34px rgba(0,0,0,.5);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;background:var(--grad);
  display:grid;place-items:center;font-weight:800;font-size:20px;color:#05130E;
  letter-spacing:.5px;box-shadow:0 10px 24px rgba(53,242,179,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.6px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--mint);letter-spacing:3px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:10px 16px;border-radius:var(--r-pill);
  font-size:15.5px;color:var(--muted);transition:color .2s ease,background .2s ease;
  min-height:44px;display:inline-flex;align-items:center;
}
.nav-link:hover{color:var(--text);background:rgba(53,242,179,.08);}
.nav-link.is-active{color:var(--mint);text-shadow:0 0 14px rgba(53,242,179,.45);}
.nav-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(23,33,38,.8);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-pill);
  font-weight:700;font-size:16px;letter-spacing:.4px;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad);color:#05130E;box-shadow:0 14px 30px rgba(53,242,179,.22);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 18px 36px rgba(53,242,179,.32);}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);}
.btn-ghost{border:1px solid rgba(53,242,179,.55);color:var(--mint);background:rgba(53,242,179,.06);}
.btn-ghost:hover{background:rgba(53,242,179,.14);transform:translateY(-2px);}
.btn-sm{height:44px;padding:0 20px;font-size:14.5px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--mint);
  font-weight:700;font-size:14px;transition:color .2s ease;
}
.link-arrow::after{content:"→";transition:transform .2s ease;}
.link-arrow:hover{color:var(--lime);}
.link-arrow:hover::after{transform:translateX(4px);}
/* badges & tags */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  font-size:12.5px;letter-spacing:.6px;border:1px solid var(--line);
  background:rgba(14,21,24,.86);color:var(--muted);
}
.badge b{color:var(--text);font-weight:700;}
.badge-mint{color:var(--mint);border-color:rgba(53,242,179,.35);}
.badge-gold{color:var(--gold);border-color:rgba(255,209,102,.35);}
.badge-coral{color:var(--coral);border-color:rgba(255,122,69,.35);}
.tag{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;
  letter-spacing:.6px;border:1px solid var(--line);background:rgba(23,33,38,.9);color:var(--muted);
}
.tag-mint{color:var(--mint);border-color:rgba(53,242,179,.3);}
.tag-gold{color:var(--gold);border-color:rgba(255,209,102,.3);}
.tag-coral{color:var(--coral);border-color:rgba(255,122,69,.3);}
/* countdown */
.countdown-bar{
  background:linear-gradient(90deg,rgba(53,242,179,.12),rgba(255,184,77,.08) 58%,rgba(255,122,69,.09));
  border-bottom:1px solid var(--line);
}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;flex-wrap:wrap;}
.countdown-label{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--muted);}
.countdown-label b{color:var(--text);font-weight:700;}
.dot-pulse{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(53,242,179,.6);animation:pulse 2.4s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(53,242,179,.55);}
  70%{box-shadow:0 0 0 10px rgba(53,242,179,0);}
  100%{box-shadow:0 0 0 0 rgba(53,242,179,0);}
}
.countdown-clock{display:flex;align-items:center;gap:10px;}
.time-cell{
  min-width:66px;padding:7px 10px;border-radius:14px;text-align:center;
  background:var(--float);border:1px solid var(--line);
}
.time-cell b{display:block;font-size:22px;font-weight:800;color:var(--gold);letter-spacing:1.5px;font-variant-numeric:tabular-nums;}
.time-cell span{font-size:11px;color:var(--dim);letter-spacing:1px;}
.count-sep{color:var(--dim);font-weight:700;}
/* sections */
.section{padding:84px 0;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:42px;flex-wrap:wrap;}
.section-head h2{font-size:34px;font-weight:800;letter-spacing:.6px;line-height:1.3;}
.section-head p{color:var(--muted);font-size:15.5px;max-width:580px;margin-top:10px;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:4px;color:var(--mint);margin-bottom:12px;}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad);}
/* hero */
.hero{position:relative;overflow:hidden;padding:70px 0 56px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;opacity:.17;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(58% 62% at 18% 6%,rgba(53,242,179,.16),transparent 72%),
             linear-gradient(180deg,rgba(8,12,14,.2),rgba(8,12,14,.92));
}
.hero .grid-container{position:relative;z-index:2;}
.hero-grid{row-gap:34px;}
.hero-copy h1{
  font-size:clamp(32px,4.4vw,58px);
  font-weight:800;line-height:1.22;letter-spacing:.5px;
  margin:14px 0 18px;
}
.hero-copy h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:var(--muted);font-size:17px;max-width:560px;line-height:1.85;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);}
.hero-stats div{min-width:120px;}
.hero-stats strong{display:block;font-size:20px;font-weight:800;color:var(--gold);letter-spacing:.5px;}
.hero-stats span{font-size:13px;color:var(--dim);letter-spacing:.5px;}
.hero-media{position:relative;}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow);aspect-ratio:4/3.3;background:var(--card);
}
.hero-card img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease;}
.hero-card:hover img{transform:scale(1.035);}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,12,14,.06),rgba(8,12,14,.8));
}
.hero-badges{position:absolute;left:18px;right:18px;bottom:18px;display:flex;flex-wrap:wrap;gap:10px;z-index:3;}
/* sell grid */
.sell-grid{display:grid;grid-template-columns:1.05fr 1fr 1fr;grid-auto-rows:minmax(190px,auto);gap:24px;}
.sell-card{
  position:relative;padding:30px;border-radius:var(--r-md);background:var(--card);
  border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow);overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.sell-card:hover{transform:translateY(-4px);border-color:rgba(53,242,179,.36);box-shadow:var(--shadow-hover);}
.sell-card:nth-child(1){grid-row:span 2;background:linear-gradient(165deg,rgba(36,230,181,.12),rgba(17,25,29,.96) 62%);}
.sell-card:nth-child(4){grid-column:2 / span 2;}
.sell-num{font-size:13px;font-weight:800;letter-spacing:3px;color:var(--dim);}
.sell-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(53,242,179,.12);color:var(--mint);font-size:19px;font-weight:800;margin:16px 0;
}
.sell-card h3{font-size:21px;font-weight:700;line-height:1.4;margin-bottom:10px;}
.sell-card p{color:var(--muted);font-size:14.6px;line-height:1.8;}
.sell-card .tag{margin-top:auto;align-self:flex-start;margin-top:18px;}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  position:relative;padding:26px 22px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);
  transition:transform .3s ease,border-color .3s ease;
}
.step:hover{transform:translateY(-3px);border-color:rgba(183,255,74,.35);}
.step b{
  display:inline-flex;width:38px;height:38px;border-radius:12px;align-items:center;justify-content:center;
  background:rgba(53,242,179,.12);color:var(--mint);font-weight:800;margin-bottom:14px;font-size:15px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14.4px;color:var(--muted);line-height:1.75;}
/* CMS latest */
.cms-news-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:24px;}
.cms-news-card{
  background:var(--card);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.cms-news-card:hover{transform:translateY(-4px);border-color:rgba(53,242,179,.36);box-shadow:var(--shadow-hover);}
.cms-thumb{overflow:hidden;}
.cms-thumb img{width:100%;height:232px;object-fit:cover;transition:transform .6s ease;}
.cms-news-card:hover .cms-thumb img{transform:scale(1.04);}
.cms-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.cms-title{font-size:20px;font-weight:700;line-height:1.5;}
.cms-title a{transition:color .2s ease;}
.cms-title a:hover{color:var(--mint);}
.cms-excerpt{
  color:var(--muted);font-size:14.6px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--dim);margin-top:auto;}
.cms-news-list{display:grid;gap:16px;align-content:start;}
.cms-news-row{padding:22px 24px;}
.cms-news-row .cms-body{padding:0;gap:10px;}
.cms-news-row .cms-title{font-size:17.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-news-row .cms-excerpt{-webkit-line-clamp:2;font-size:14px;}
.cms-empty{
  display:grid;place-items:center;gap:12px;text-align:center;padding:64px 24px;
  border:1px dashed var(--line);border-radius:var(--r-md);
  background:rgba(23,33,38,.45);color:var(--muted);font-size:15px;
}
.cms-empty-icon{font-size:30px;color:var(--mint);line-height:1;}
/* mosaic */
.mosaic{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:150px;gap:20px;}
.mosaic-item{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow);
}
.mosaic-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.mosaic-item:hover img{transform:scale(1.045);}
.mosaic-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,12,14,0) 34%,rgba(8,12,14,.88));
}
.mosaic-cap{position:absolute;left:22px;right:22px;bottom:18px;z-index:2;}
.mosaic-cap strong{display:block;font-size:17px;font-weight:700;letter-spacing:.4px;}
.mosaic-cap span{font-size:12.6px;color:var(--muted);}
.m-1{grid-column:span 6;grid-row:span 2;}
.m-2{grid-column:span 3;}
.m-3{grid-column:span 3;}
.m-4{grid-column:span 3;}
.m-5{grid-column:span 3;}
/* cta */
.cta-card{
  display:grid;grid-template-columns:1.02fr .98fr;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(53,242,179,.28);
  background:linear-gradient(140deg,rgba(36,230,181,.11),rgba(255,184,77,.07) 56%,rgba(17,25,29,.94));
  box-shadow:var(--shadow);
}
.cta-copy{padding:48px 44px;display:flex;flex-direction:column;gap:16px;}
.cta-copy h2{font-size:32px;font-weight:800;line-height:1.32;}
.cta-copy p{color:var(--muted);font-size:15.4px;line-height:1.85;max-width:460px;}
.cta-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px;}
.cta-form{padding:40px 40px 34px;background:rgba(8,12,14,.6);border-left:1px solid rgba(255,255,255,.08);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px;letter-spacing:.4px;}
.field input,.field textarea{
  width:100%;height:50px;padding:0 16px;border-radius:14px;
  background:rgba(23,33,38,.9);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:112px;padding:14px 16px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--mint);background:rgba(23,33,38,1);
  box-shadow:0 0 0 3px rgba(53,242,179,.16);
}
.field input::placeholder,.field textarea::placeholder{color:var(--dim);}
.form-note{font-size:12.6px;color:var(--dim);line-height:1.7;margin-top:12px;}
/* faq */
.faq-wrap{display:grid;grid-template-columns:.86fr 1.14fr;gap:44px;align-items:start;}
.faq-side{position:sticky;top:104px;}
.faq-side h2{font-size:32px;font-weight:800;line-height:1.32;margin-bottom:14px;}
.faq-side p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:20px;}
.accordion{border:0;background:none;margin:0;}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card);
  margin-bottom:12px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.accordion-item:hover{border-color:rgba(53,242,179,.3);}
.accordion-item.is-active{border-color:rgba(53,242,179,.38);box-shadow:0 0 0 1px rgba(53,242,179,.14),0 14px 34px rgba(0,0,0,.3);}
.accordion-title{
  padding:18px 54px 18px 22px;font-size:17px;font-weight:700;color:var(--text);
  border:0;background:none;line-height:1.55;position:relative;transition:color .2s ease;
}
.accordion-title:hover{color:var(--mint);background:rgba(53,242,179,.05);}
.accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;margin-top:-14px;
  font-size:22px;font-weight:700;color:var(--mint);line-height:28px;transition:transform .25s ease;
}
.accordion-item.is-active .accordion-title::before{content:"–";}
.accordion-content{
  padding:0 22px 20px;border:0;background:none;color:var(--muted);
  font-size:15px;line-height:1.85;
}
.accordion-item.is-active .accordion-content{border-left:0;}
.accordion-item.is-active::after{content:"";}
/* footer */
.site-footer{position:relative;background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 26px;}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:2px;background:var(--grad);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:38px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.8;max-width:330px;}
.footer-domain{margin-top:14px;font-size:12.6px;color:var(--dim);letter-spacing:1px;}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:1.6px;color:var(--text);margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--mint);transform:translateX(3px);}
.footer-col .meta-line{font-size:13.4px;color:var(--muted);padding:6px 0;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}
/* mobile panel */
.mobile-panel{
  position:fixed;inset:0;z-index:90;background:var(--bg);
  padding:26px 24px 40px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);visibility:hidden;transition:transform .34s ease,visibility .34s ease;
  overflow-y:auto;
}
.mobile-panel.is-open{transform:translateX(0);visibility:visible;}
.mobile-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.nav-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(23,33,38,.8);display:grid;place-items:center;font-size:22px;color:var(--text);
}
.mobile-panel .m-link{
  display:block;padding:16px 18px;border-radius:var(--r-sm);font-size:18px;font-weight:700;
  color:var(--muted);border-left:3px solid transparent;transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.mobile-panel .m-link:hover{background:rgba(53,242,179,.07);color:var(--text);}
.mobile-panel .m-link.is-active{color:var(--mint);border-left-color:var(--mint);background:rgba(53,242,179,.08);text-shadow:0 0 14px rgba(53,242,179,.4);}
.mobile-panel .btn{margin-top:20px;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
/* responsive */
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .section-head h2{font-size:29px;}
  .sell-grid{grid-template-columns:1fr 1fr;grid-auto-rows:auto;}
  .sell-card:nth-child(1){grid-row:span 1;}
  .sell-card:nth-child(4){grid-column:span 2;}
  .steps{grid-template-columns:1fr 1fr;}
  .cms-news-grid{grid-template-columns:1fr;}
  .cta-card{grid-template-columns:1fr;}
  .cta-form{border-left:0;border-top:1px solid rgba(255,255,255,.08);}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .faq-side{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .mosaic{grid-auto-rows:170px;}
  .m-1{grid-column:span 12;grid-row:span 1;}
  .m-2,.m-3,.m-4,.m-5{grid-column:span 6;}
}
@media (max-width:768px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .hero{padding:48px 0 40px;}
  .hero-copy h1{font-size:clamp(28px,7.4vw,38px);}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .section{padding:52px 0;}
  .section-head h2{font-size:26px;}
  .section-head{margin-bottom:30px;}
  .sell-grid{grid-template-columns:1fr;}
  .sell-card:nth-child(4){grid-column:span 1;}
  .steps{grid-template-columns:1fr;}
  .countdown-inner{justify-content:center;text-align:center;}
  .time-cell{min-width:58px;}
  .time-cell b{font-size:19px;}
  .cta-copy{padding:32px 24px;}
  .cta-copy h2{font-size:25px;}
  .cta-form{padding:28px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mosaic{grid-auto-rows:200px;}
  .m-2,.m-3,.m-4,.m-5{grid-column:span 12;}
  .cms-thumb img{height:200px;}
  .faq-side h2{font-size:26px;}
}
@media (max-width:520px){
  .brand-text strong{font-size:15.5px;}
  .brand-text em{font-size:11px;letter-spacing:2px;}
  .hero-stats div{min-width:calc(50% - 10px);}
  .countdown-clock{gap:6px;}
  .time-cell{min-width:52px;padding:6px 8px;}
  .btn{height:50px;font-size:15px;padding:0 22px;}
}

/* roulang page: article */
:root{
  --bg:#080C0E;
  --bg-2:#0E1518;
  --surface:#11191D;
  --surface-2:#172126;
  --line:#26343A;
  --text:#F4F7F5;
  --text-2:#A8B6B2;
  --text-3:#72827E;
  --mint:#35F2B3;
  --lime:#B7FF4A;
  --coral:#FF7A45;
  --gold:#FFD166;
  --danger:#FF5C7A;
  --grad:linear-gradient(135deg,#24E6B5 0%,#B8FF4A 58%,#FFB84D 100%);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:22px;
  --r-sm:14px;
  --shadow:0 18px 48px rgba(0,0,0,.32);
  --shadow-hover:0 26px 58px rgba(0,0,0,.46),0 0 0 1px rgba(53,242,179,.26);
  --maxw:1240px;
  --ease:cubic-bezier(.22,.68,.32,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(760px 400px at 12% -6%,rgba(53,242,179,.10),transparent 70%),
    radial-gradient(660px 380px at 92% 2%,rgba(255,122,69,.08),transparent 72%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--mint);}
h1,h2,h3,h4,h5{margin:0 0 .6em;font-weight:800;line-height:1.28;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.2em;padding-left:1.3em;}
li{margin-bottom:.45em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:8px;}
.grid-container{max-width:var(--maxw);margin:0 auto;padding-left:28px;padding-right:28px;width:100%;}
.section{padding:76px 0;position:relative;z-index:1;}
.section-tight{padding:52px 0;position:relative;z-index:1;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,17,20,.94);
  border-bottom:1px solid rgba(255,255,255,.07);
  backdrop-filter:blur(10px);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,12,14,.98);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:26px;
  min-height:76px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.brand-mark{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:var(--grad);
  color:#06110D;
  font-weight:900;
  font-size:19px;
  letter-spacing:0;
  box-shadow:0 8px 22px rgba(53,242,179,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;color:var(--text);letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:12.5px;color:var(--mint);letter-spacing:.18em;}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:15.5px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
  transition:color .22s var(--ease),background .22s var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  opacity:0;
  transform:scaleX(.4);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link:hover::after{opacity:.55;transform:scaleX(1);}
.nav-link.is-active{
  color:var(--mint);
  text-shadow:0 0 18px rgba(53,242,179,.5);
}
.nav-link.is-active::after{opacity:1;transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:50px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:16px;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  text-align:center;
}
.btn-primary{
  background:var(--grad);
  color:#06110D;
  box-shadow:0 12px 30px rgba(53,242,179,.28);
}
.btn-primary:hover{
  color:#06110D;
  transform:translateY(-2px);
  box-shadow:0 18px 38px rgba(53,242,179,.42);
  filter:brightness(1.05);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(53,242,179,.45);
  color:var(--mint);
}
.btn-ghost:hover{
  background:rgba(53,242,179,.1);
  border-color:var(--mint);
  color:var(--mint);
  transform:translateY(-2px);
}
.btn-sm{min-height:44px;padding:0 20px;font-size:15px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  color:var(--mint);
}
.btn-text span{transition:transform .22s var(--ease);display:inline-block;}
.btn-text:hover span{transform:translateX(5px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:30px;
  padding:0 13px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  font-size:13px;
  font-weight:600;
  color:var(--text-2);
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-mint{border-color:rgba(53,242,179,.4);color:var(--mint);background:rgba(53,242,179,.08);}
.badge-gold{border-color:rgba(255,209,102,.4);color:var(--gold);background:rgba(255,209,102,.08);}
.badge-coral{border-color:rgba(255,122,69,.4);color:var(--coral);background:rgba(255,122,69,.08);}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 10px currentColor;}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  position:relative;
  z-index:1;
  border-bottom:1px solid rgba(255,255,255,.06);
  background:linear-gradient(180deg,rgba(17,25,29,.9),rgba(8,12,14,.2));
}
.crumb-inner{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:9px;
  min-height:58px;
  font-size:13.5px;
  color:var(--text-3);
}
.crumb-inner a{color:var(--text-2);}
.crumb-inner a:hover{color:var(--mint);}
.crumb-sep{color:var(--line);}
.crumb-current{color:var(--mint);max-width:min(520px,100%);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章布局 ---------- */
.article-wrap{
  position:relative;
  z-index:1;
  padding:52px 0 76px;
}
.article-grid{display:flex;flex-wrap:wrap;gap:34px;align-items:flex-start;}
.article-main{flex:1 1 640px;min-width:0;}
.article-side{flex:0 0 336px;max-width:336px;}

.article-head{
  border-radius:var(--r-xl);
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(160deg,rgba(23,33,38,.95),rgba(11,17,20,.92));
  box-shadow:var(--shadow);
  padding:38px 38px 32px;
  margin-bottom:28px;
  position:relative;
  overflow:hidden;
}
.article-head::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--grad);
  opacity:.85;
}
.article-head h1{
  font-size:clamp(30px,3.4vw,42px);
  line-height:1.26;
  margin:0 0 18px;
  word-break:break-word;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 14px;
  font-size:13.5px;
  color:var(--text-3);
  padding-top:16px;
  border-top:1px dashed rgba(255,255,255,.09);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;color:var(--text-2);}
.article-meta .meta-item i{font-style:normal;color:var(--text-3);font-size:12.5px;letter-spacing:.06em;}

/* ---------- 正文排版 ---------- */
.article-body-card{
  border-radius:var(--r-xl);
  border:1px solid rgba(255,255,255,.08);
  background:var(--surface);
  box-shadow:var(--shadow);
  padding:42px 44px 46px;
}
.cms-article-body{
  max-width:100%;
  font-size:17px;
  line-height:1.9;
  color:#DDE6E2;
}
.cms-article-body p{margin:0 0 22px;color:#D7E1DD;}
.cms-article-body h2{
  font-size:clamp(24px,2.4vw,30px);
  margin:44px 0 18px;
  padding-left:16px;
  position:relative;
  color:var(--text);
}
.cms-article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:4px;
  background:var(--grad);
}
.cms-article-body h3{
  font-size:clamp(20px,2vw,23px);
  margin:32px 0 12px;
  color:var(--mint);
  font-weight:700;
}
.cms-article-body h4{font-size:19px;margin:26px 0 10px;color:var(--text);}
.cms-article-body a{color:var(--mint);border-bottom:1px solid rgba(53,242,179,.35);}
.cms-article-body a:hover{border-bottom-color:var(--mint);}
.cms-article-body ul,.cms-article-body ol{padding-left:6px;list-style:none;margin:0 0 24px;}
.cms-article-body ul li{
  position:relative;
  padding-left:24px;
  margin-bottom:12px;
  color:#D7E1DD;
}
.cms-article-body ul li::before{
  content:"";
  position:absolute;
  left:6px;top:12px;
  width:8px;height:8px;
  border-radius:3px;
  background:var(--grad);
}
.cms-article-body ol{counter-reset:li;}
.cms-article-body ol li{
  position:relative;
  counter-increment:li;
  padding-left:34px;
  margin-bottom:12px;
}
.cms-article-body ol li::before{
  content:counter(li);
  position:absolute;
  left:0;top:3px;
  width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
  background:rgba(53,242,179,.12);
  border:1px solid rgba(53,242,179,.32);
  color:var(--mint);
  font-size:12.5px;
  font-weight:800;
  line-height:1;
}
.cms-article-body blockquote{
  margin:28px 0;
  padding:20px 24px;
  border-left:4px solid transparent;
  border-image:var(--grad) 1;
  background:rgba(53,242,179,.06);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#E4EDE9;
  font-size:16.5px;
}
.cms-article-body blockquote p:last-child{margin-bottom:0;}
.cms-article-body img{
  border-radius:var(--r-md);
  margin:26px auto;
  box-shadow:0 16px 40px rgba(0,0,0,.4);
}
.cms-article-body figure{margin:26px 0;}
.cms-article-body figcaption{
  text-align:center;
  font-size:13.5px;
  color:var(--text-3);
  margin-top:10px;
}
.cms-article-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:26px 0;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  overflow:hidden;
  font-size:15.5px;
}
.cms-article-body th{
  background:var(--surface-2);
  color:var(--mint);
  font-weight:700;
  padding:13px 16px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.cms-article-body td{
  padding:13px 16px;
  border-bottom:1px solid rgba(255,255,255,.06);
  color:#D7E1DD;
}
.cms-article-body tr:last-child td{border-bottom:0;}
.cms-article-body code{
  background:rgba(255,255,255,.07);
  border-radius:6px;
  padding:2px 7px;
  font-size:14.5px;
  color:var(--gold);
}
.cms-article-body hr{
  border:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,179,.45),transparent);
  margin:36px 0;
}

/* ---------- 空态 ---------- */
.cms-empty-state{
  text-align:center;
  padding:64px 24px;
  border-radius:var(--r-lg);
  border:1px dashed rgba(53,242,179,.3);
  background:rgba(53,242,179,.04);
}
.cms-empty-state .empty-icon{
  width:64px;height:64px;
  margin:0 auto 20px;
  border-radius:20px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(53,242,179,.12);
  border:1px solid rgba(53,242,179,.3);
  color:var(--mint);
  font-size:26px;
  font-weight:800;
}
.cms-empty-state p{font-size:17px;color:var(--text-2);margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:100px;}
.side-card{
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(165deg,rgba(23,33,38,.96),rgba(14,21,24,.96));
  box-shadow:var(--shadow);
  padding:26px 26px 24px;
  margin-bottom:20px;
}
.side-card h3{
  font-size:17px;
  margin:0 0 14px;
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--text);
}
.side-card h3::before{
  content:"";
  width:6px;height:16px;
  border-radius:4px;
  background:var(--grad);
}
.side-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;margin-bottom:18px;}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{margin-bottom:4px;}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:9px 12px;
  border-radius:12px;
  font-size:15px;
  color:var(--text-2);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.side-list a:hover{
  background:rgba(53,242,179,.08);
  color:var(--mint);
  transform:translateX(3px);
}
.side-list a span.arrow{color:var(--text-3);font-size:13px;}
.side-list a:hover span.arrow{color:var(--mint);}
.side-note{
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
  padding-top:14px;
  border-top:1px dashed rgba(255,255,255,.1);
  margin:0;
}

/* ---------- 相关推荐 ---------- */
.related-section{
  position:relative;
  z-index:1;
  padding:0 0 76px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:30px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  margin:0;
}
.section-head .head-sub{
  font-size:14.5px;
  color:var(--text-3);
  margin:8px 0 0;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.08);
  background:var(--surface);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.related-card:hover{
  transform:translateY(-4px);
  border-color:rgba(53,242,179,.34);
  box-shadow:var(--shadow-hover);
}
.related-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--surface-2);
}
.related-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.related-card:hover .related-thumb img{transform:scale(1.04);}
.related-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(8,12,14,.05) 40%,rgba(8,12,14,.72));
}
.related-thumb .thumb-badge{
  position:absolute;
  left:14px;top:14px;
  z-index:2;
}
.related-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.related-body h3{
  font-size:18px;
  line-height:1.5;
  margin:0 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-body p{
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.7;
  margin:0 0 16px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.related-foot .go{color:var(--mint);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.related-card:hover .related-foot .go span{transform:translateX(4px);}
.related-foot .go span{transition:transform .22s var(--ease);display:inline-block;}

/* ---------- 文章底部 CTA ---------- */
.article-cta{
  position:relative;
  z-index:1;
  padding:0 0 80px;
}
.cta-panel{
  position:relative;
  border-radius:var(--r-xl);
  padding:2px;
  background:var(--grad);
  box-shadow:0 24px 60px rgba(0,0,0,.45);
  overflow:hidden;
}
.cta-inner{
  border-radius:calc(var(--r-xl) - 2px);
  background:linear-gradient(150deg,#0E1518 0%,#111B1F 60%,#0B1114 100%);
  padding:44px 46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(23px,2.5vw,30px);
  margin:0 0 10px;
}
.cta-inner p{
  margin:0;
  color:var(--text-2);
  font-size:15.5px;
  max-width:560px;
}
.cta-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-section{position:relative;z-index:1;padding:0 0 80px;}
.faq-grid{display:flex;flex-wrap:wrap;gap:34px;align-items:flex-start;}
.faq-aside{flex:0 0 320px;max-width:320px;position:sticky;top:100px;}
.faq-aside h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:12px;}
.faq-aside p{font-size:15px;color:var(--text-2);margin-bottom:18px;}
.faq-list{flex:1 1 520px;min-width:0;}
.faq-item{
  border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.08);
  background:var(--surface);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item.is-open{
  border-color:rgba(53,242,179,.36);
  box-shadow:0 16px 36px rgba(0,0,0,.36);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:17px;
  font-weight:700;
  text-align:left;
  cursor:pointer;
  line-height:1.55;
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--mint);}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid rgba(53,242,179,.4);
  color:var(--mint);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;
  line-height:1;
  transition:transform .26s var(--ease),background .26s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(53,242,179,.14);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s var(--ease);
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a{border-image:var(--grad) 1;}
.faq-a-inner{
  padding:0 24px 22px 24px;
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.85;
}
.faq-a-inner p:last-child{margin-bottom:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  background:#0A0F12;
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:4px;
  margin-top:0;
}
.site-footer::before{
  content:"";
  display:block;
  height:3px;
  background:var(--grad);
  opacity:.85;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:40px;
  padding:56px 0 40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.8;
  margin:0 0 16px;
  max-width:340px;
}
.footer-domain{
  display:inline-block;
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.08em;
  padding:6px 13px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.03);
}
.footer-col h4{
  font-size:14.5px;
  color:var(--text);
  margin:0 0 16px;
  font-weight:700;
  letter-spacing:.04em;
}
.footer-col a{
  display:block;
  font-size:14.5px;
  color:var(--text-2);
  padding:7px 0;
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.footer-col a:hover{color:var(--mint);transform:translateX(3px);}
.meta-line{
  font-size:13.5px;
  color:var(--text-3);
  padding:7px 0;
  line-height:1.6;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0 32px;
  border-top:1px solid rgba(255,255,255,.07);
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 移动菜单 ---------- */
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:19px;height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  position:fixed;
  inset:0 0 0 auto;
  width:min(360px,88vw);
  background:#080C0E;
  border-left:1px solid rgba(255,255,255,.08);
  z-index:120;
  transform:translateX(102%);
  transition:transform .34s var(--ease);
  padding:26px 24px 30px;
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
}
.mobile-panel.is-open{transform:translateX(0);}
.mobile-panel .panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
  padding-bottom:16px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.panel-close{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background:transparent;
  color:var(--text);
  font-size:20px;
  cursor:pointer;
}
.mobile-panel a.m-link{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 16px;
  border-radius:14px;
  font-size:17px;
  font-weight:600;
  color:var(--text-2);
  border-left:3px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.mobile-panel a.m-link:hover{background:rgba(255,255,255,.05);color:var(--text);}
.mobile-panel a.m-link.is-active{
  color:var(--mint);
  border-left-color:var(--mint);
  background:rgba(53,242,179,.08);
  box-shadow:inset 0 0 24px rgba(53,242,179,.08);
}
.mobile-panel .m-cta{margin-top:20px;}
.panel-mask{
  position:fixed;
  inset:0;
  background:rgba(4,7,8,.72);
  opacity:0;
  visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
  z-index:110;
}
.panel-mask.is-open{opacity:1;visibility:visible;}
body.nav-locked{overflow:hidden;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .main-nav{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .article-side{flex:1 1 100%;max-width:100%;}
  .side-sticky{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-aside{flex:1 1 100%;max-width:100%;position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-body-card{padding:32px 26px 36px;}
  .article-head{padding:30px 26px 26px;}
  .section{padding:60px 0;}
}
@media screen and (max-width:639px){
  body{font-size:16px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .nav-shell{min-height:66px;gap:14px;}
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:17px;}
  .brand-text strong{font-size:15px;}
  .brand-text em{font-size:11.5px;letter-spacing:.14em;}
  .article-wrap{padding:32px 0 52px;}
  .article-head h1{font-size:26px;}
  .article-body-card{padding:24px 18px 28px;border-radius:var(--r-md);}
  .article-head{border-radius:var(--r-md);}
  .cms-article-body{font-size:16px;line-height:1.85;}
  .cms-article-body h2{font-size:22px;margin:32px 0 14px;}
  .cms-article-body h3{font-size:19px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-inner{padding:28px 22px;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:16px;padding:17px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .section{padding:52px 0;}
  .article-meta{gap:8px 12px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg:#080C0E;
  --bg-2:#0E1518;
  --card:#11191D;
  --card-2:#172126;
  --line:#26343A;
  --text:#F4F7F5;
  --muted:#A8B6B2;
  --dim:#72827E;
  --mint:#35F2B3;
  --lime:#B7FF4A;
  --coral:#FF7A45;
  --gold:#FFD166;
  --danger:#FF5C7A;
  --grad:linear-gradient(135deg,#24E6B5 0%,#B8FF4A 58%,#FFB84D 100%);
  --r-lg:30px;
  --r-md:22px;
  --r-sm:14px;
  --shadow:0 18px 48px rgba(0,0,0,.32);
  --shadow-hover:0 24px 56px rgba(0,0,0,.42),0 0 0 1px rgba(53,242,179,.22);
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:"SFMono-Regular","JetBrains Mono",Consolas,"Liberation Mono",Menlo,monospace;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--mint);}
h1,h2,h3,h4{
  margin:0 0 .6em;
  font-weight:800;
  line-height:1.28;
  letter-spacing:-.01em;
  color:var(--text);
}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
li{margin-bottom:.4em;}
button{font-family:inherit;}
::selection{background:rgba(53,242,179,.28);color:#fff;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}

.grid-container{
  max-width:1280px;
  padding-left:28px;
  padding-right:28px;
}
.grid-container.full{max-width:100%;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,17,20,.96);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(8,12,14,.98);
  box-shadow:0 12px 32px rgba(0,0,0,.45);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:78px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:var(--grad);
  color:#07120F;
  font-weight:800;
  font-size:20px;
  letter-spacing:-.02em;
  box-shadow:0 8px 22px rgba(53,242,179,.22);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.18;
}
.brand-text strong{
  font-size:16px;
  font-weight:800;
  color:var(--text);
  letter-spacing:.01em;
}
.brand-text em{
  font-style:normal;
  font-size:12.5px;
  color:var(--mint);
  letter-spacing:.16em;
  font-weight:600;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 16px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-link.is-active{color:var(--mint);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:6px;
  height:3px;
  border-radius:999px;
  background:var(--grad);
  box-shadow:0 0 12px rgba(53,242,179,.55);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  width:46px;
  height:46px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.03);
  cursor:pointer;
  padding:0;
  position:relative;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  margin:4px auto;
  border-radius:2px;
  background:var(--text);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ===== 移动端面板 ===== */
.mobile-panel{
  position:fixed;
  inset:0;
  z-index:90;
  background:var(--bg);
  padding:24px 22px 40px;
  display:flex;
  flex-direction:column;
  gap:22px;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .3s ease,visibility .3s ease;
  overflow-y:auto;
}
.mobile-panel.is-open{transform:translateX(0);visibility:visible;}
.mobile-panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.mobile-close{
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:22px;
  line-height:1;
  cursor:pointer;
}
.mobile-nav{display:flex;flex-direction:column;gap:6px;}
.mobile-link{
  display:flex;
  align-items:center;
  min-height:56px;
  padding:0 16px;
  border-radius:14px;
  font-size:19px;
  font-weight:700;
  color:var(--muted);
  border-left:3px solid transparent;
}
.mobile-link:hover{background:rgba(255,255,255,.04);color:var(--text);}
.mobile-link.is-active{
  color:var(--mint);
  border-left-color:var(--mint);
  background:rgba(53,242,179,.08);
}
.mobile-panel .btn{width:100%;justify-content:center;}
.mobile-note{
  font-size:13.5px;
  color:var(--dim);
  line-height:1.8;
  border-top:1px solid var(--line);
  padding-top:18px;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:50px;
  padding:0 26px;
  border-radius:999px;
  font-size:16px;
  font-weight:800;
  letter-spacing:.01em;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{min-height:44px;padding:0 20px;font-size:14.5px;}
.btn-primary{
  background:var(--grad);
  color:#07120F;
  box-shadow:0 10px 26px rgba(53,242,179,.24);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(53,242,179,.34);
  color:#07120F;
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:rgba(53,242,179,.5);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--mint);
  color:var(--mint);
  background:rgba(53,242,179,.07);
}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--mint);
  font-weight:700;
  font-size:15px;
}
.btn-link:hover{color:var(--lime);gap:10px;}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--muted);
  white-space:nowrap;
}
.badge .dot{
  width:7px;height:7px;border-radius:50%;background:currentColor;
  box-shadow:0 0 10px currentColor;
}
.badge-mint{color:var(--mint);border-color:rgba(53,242,179,.38);background:rgba(53,242,179,.08);}
.badge-gold{color:var(--gold);border-color:rgba(255,209,102,.35);background:rgba(255,209,102,.08);}
.badge-coral{color:var(--coral);border-color:rgba(255,122,69,.35);background:rgba(255,122,69,.08);}
.badge-mono{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;}

/* ===== 首屏 ===== */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  background:
    radial-gradient(1000px 460px at 82% -10%,rgba(53,242,179,.14),transparent 62%),
    radial-gradient(700px 380px at 6% 110%,rgba(255,122,69,.10),transparent 60%),
    linear-gradient(180deg,#080C0E 0%,#0A1114 55%,#080C0E 100%);
  border-bottom:1px solid rgba(255,255,255,.06);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.32fr) minmax(0,.92fr);
  gap:44px;
  align-items:center;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--dim);
  margin-bottom:20px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--mint);}
.crumb .sep{color:var(--line);}
.hero-title{
  font-size:clamp(32px,4.4vw,56px);
  line-height:1.16;
  font-weight:800;
  margin-bottom:20px;
}
.hero-title .hl{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  font-size:17.5px;
  color:var(--muted);
  max-width:620px;
  margin-bottom:26px;
  line-height:1.8;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.09);
  box-shadow:var(--shadow);
  aspect-ratio:4/3.4;
  background:#0C1417;
}
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.hero-media:hover img{transform:scale(1.03);}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(8,12,14,0) 30%,rgba(8,12,14,.82) 100%);
  pointer-events:none;
}
.hero-media-tags{
  position:absolute;
  left:20px;
  right:20px;
  bottom:20px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  z-index:2;
}
.hero-media-tags .badge{background:rgba(8,12,14,.78);backdrop-filter:blur(6px);}

/* ===== 通用板块 ===== */
.section{padding:76px 0;}
.section-dark{background:var(--bg-2);border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--mint);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-kicker::before{
  content:"";
  width:26px;height:2px;border-radius:2px;background:var(--grad);
}
.section-title{
  font-size:clamp(26px,3vw,38px);
  font-weight:800;
  margin-bottom:14px;
}
.section-desc{color:var(--muted);font-size:16.5px;margin:0;}

/* ===== 指南主体：目录 + 步骤 ===== */
.guide-grid{
  display:grid;
  grid-template-columns:minmax(0,320px) minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.toc-card{
  position:sticky;
  top:104px;
  background:var(--card);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--shadow);
}
.toc-card h2{
  font-size:16px;
  letter-spacing:.06em;
  color:var(--muted);
  font-weight:700;
  margin-bottom:16px;
}
.toc-list{list-style:none;margin:0;padding:0;}
.toc-list li{margin:0;}
.toc-list a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:0 10px;
  border-radius:12px;
  font-size:14.5px;
  font-weight:600;
  color:var(--muted);
  border-left:2px solid transparent;
}
.toc-list a:hover{
  background:rgba(53,242,179,.07);
  color:var(--mint);
  border-left-color:var(--mint);
}
.toc-list .num{
  font-family:var(--mono);
  font-size:12px;
  color:var(--dim);
}
.toc-meta{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:10px;
}
.toc-meta .meta-line{
  font-size:13px;
  color:var(--dim);
  display:flex;
  justify-content:space-between;
  gap:10px;
}
.toc-meta .meta-line strong{color:var(--muted);font-weight:600;}

.steps{display:flex;flex-direction:column;gap:20px;}
.step-card{
  position:relative;
  background:var(--card);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-md);
  padding:28px 30px 26px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step-card:hover{
  transform:translateY(-3px);
  border-color:rgba(53,242,179,.34);
  box-shadow:var(--shadow-hover);
}
.step-top{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:14px;
}
.step-index{
  flex:0 0 auto;
  font-family:var(--mono);
  font-size:14px;
  font-weight:700;
  color:#07120F;
  background:var(--grad);
  border-radius:10px;
  padding:6px 12px;
  letter-spacing:.04em;
}
.step-title{
  font-size:22px;
  font-weight:800;
  margin:0;
}
.step-text{
  color:var(--muted);
  font-size:16px;
  margin:0 0 16px;
  line-height:1.82;
}
.step-tip{
  display:flex;
  gap:10px;
  align-items:flex-start;
  background:rgba(53,242,179,.06);
  border:1px solid rgba(53,242,179,.22);
  border-left:3px solid var(--mint);
  border-radius:12px;
  padding:12px 16px;
  font-size:14.5px;
  color:#CFEDE3;
  line-height:1.7;
}
.step-tip .tip-ico{
  flex:0 0 auto;
  width:20px;height:20px;
  border-radius:50%;
  background:rgba(53,242,179,.16);
  color:var(--mint);
  display:grid;place-items:center;
  font-size:12px;
  font-weight:800;
  margin-top:2px;
}

/* ===== 提示区 ===== */
.notice-wrap{
  display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:36px;
  align-items:start;
}
.notice-intro h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;}
.notice-intro p{color:var(--muted);font-size:16px;}
.notice-list{display:flex;flex-direction:column;gap:16px;}
.notice-item{
  display:flex;
  gap:16px;
  background:var(--card);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-md);
  padding:22px 24px;
  transition:transform .25s ease,border-color .25s ease;
}
.notice-item:hover{transform:translateY(-2px);border-color:rgba(255,209,102,.35);}
.notice-item .ico{
  flex:0 0 auto;
  width:44px;height:44px;
  border-radius:14px;
  display:grid;place-items:center;
  font-weight:800;
  font-size:15px;
  font-family:var(--mono);
  background:rgba(255,209,102,.12);
  color:var(--gold);
  border:1px solid rgba(255,209,102,.28);
}
.notice-item h3{font-size:18px;margin-bottom:6px;}
.notice-item p{margin:0;font-size:15px;color:var(--muted);line-height:1.78;}

/* ===== 核对清单 ===== */
.checklist-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.check-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:var(--card-2);
  border:1px solid rgba(255,255,255,.07);
  border-radius:var(--r-sm);
  padding:20px 22px;
  transition:border-color .22s ease,transform .22s ease;
}
.check-item:hover{border-color:rgba(53,242,179,.32);transform:translateY(-2px);}
.check-mark{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  background:var(--grad);
  color:#07120F;
  display:grid;place-items:center;
  font-size:14px;
  font-weight:800;
  margin-top:2px;
}
.check-item h3{font-size:17px;margin-bottom:6px;}
.check-item p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ===== FAQ ===== */
.faq-grid{
  display:grid;
  grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);
  gap:40px;
  align-items:start;
}
.faq-aside{position:sticky;top:104px;}
.faq-aside h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;}
.faq-aside p{color:var(--muted);font-size:15.5px;margin-bottom:20px;}
.rule-accordion{
  list-style:none;
  margin:0;
  padding:0;
  border:0;
  background:transparent;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.rule-accordion .accordion-item{
  background:var(--card);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-sm);
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.rule-accordion .accordion-item:hover{border-color:rgba(255,255,255,.16);}
.rule-accordion .accordion-item.is-active{
  border-color:rgba(53,242,179,.36);
  box-shadow:0 12px 30px rgba(0,0,0,.32);
}
.rule-accordion .accordion-title{
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  background:transparent;
  border:0;
  border-left:3px solid transparent;
  line-height:1.55;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.rule-accordion .accordion-title:hover{background:rgba(255,255,255,.03);color:var(--mint);}
.rule-accordion .accordion-item.is-active .accordion-title{
  border-left-color:var(--mint);
  color:var(--mint);
}
.rule-accordion .accordion-title::before{
  content:"+";
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  font-size:16px;
  font-weight:700;
  color:var(--muted);
  order:2;
  margin-left:auto;
  transition:transform .25s ease,color .25s ease,border-color .25s ease;
}
.rule-accordion .accordion-item.is-active .accordion-title::before{
  content:"−";
  color:var(--mint);
  border-color:rgba(53,242,179,.5);
  transform:rotate(180deg);
}
.rule-accordion .accordion-content{
  display:none;
  padding:0 24px 22px 61px;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.82;
  border-left:3px solid transparent;
}
.rule-accordion .accordion-item.is-active .accordion-content{
  display:block;
  border-left-color:rgba(53,242,179,.35);
}
.rule-accordion .accordion-content p:last-child{margin-bottom:0;}

/* ===== CTA ===== */
.cta-card{
  position:relative;
  border-radius:var(--r-lg);
  padding:2px;
  background:var(--grad);
  box-shadow:0 24px 60px rgba(0,0,0,.42);
  overflow:hidden;
}
.cta-inner{
  border-radius:calc(var(--r-lg) - 2px);
  background:linear-gradient(140deg,#0C1417 0%,#101B1F 55%,#0B1417 100%);
  padding:48px 46px;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-inner::before{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-140px;top:-180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(53,242,179,.18),transparent 68%);
  pointer-events:none;
}
.cta-inner h2{
  font-size:clamp(24px,2.8vw,34px);
  margin-bottom:14px;
}
.cta-inner p{color:var(--muted);font-size:16px;margin-bottom:22px;max-width:520px;}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-side{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  aspect-ratio:16/11;
  box-shadow:var(--shadow);
}
.cta-side img{width:100%;height:100%;object-fit:cover;}
.cta-side::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,12,14,.1),rgba(8,12,14,.72));
}
.cta-side .cta-side-tag{
  position:absolute;
  left:18px;right:18px;bottom:18px;
  z-index:2;
  display:flex;flex-wrap:wrap;gap:8px;
}

/* ===== 页脚 ===== */
.site-footer{
  background:#060A0C;
  border-top:1px solid rgba(255,255,255,.08);
  position:relative;
  padding:64px 0 26px;
  margin-top:0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:var(--grad);
  opacity:.9;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:36px;
  padding-bottom:38px;
}
.footer-brand p{
  color:var(--muted);
  font-size:14.5px;
  line-height:1.8;
  margin:18px 0 16px;
  max-width:360px;
}
.footer-domain{
  display:inline-flex;
  align-items:center;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.05em;
  color:var(--dim);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 14px;
}
.footer-col h4{
  font-size:14px;
  letter-spacing:.14em;
  color:var(--muted);
  font-weight:700;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14.5px;
  color:var(--dim);
  padding:6px 0;
  min-height:32px;
}
.footer-col a:hover{color:var(--mint);}
.meta-line{
  font-size:14px;
  color:var(--dim);
  padding:6px 0;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.07);
  padding-top:22px;
  font-size:13px;
  color:var(--dim);
}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:block;}
  .nav-inner{min-height:70px;gap:16px;}
  .nav-actions .btn{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media{aspect-ratio:16/10;}
  .guide-grid{grid-template-columns:1fr;gap:26px;}
  .toc-card{position:static;}
  .notice-wrap{grid-template-columns:1fr;gap:26px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .cta-inner{grid-template-columns:1fr;padding:38px 30px;gap:28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .section{padding:60px 0;}
  .grid-container{padding-left:22px;padding-right:22px;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  .page-hero{padding:38px 0 46px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .checklist-grid{grid-template-columns:1fr;}
  .step-card{padding:22px 20px;}
  .step-title{font-size:20px;}
  .rule-accordion .accordion-title{font-size:16px;padding:17px 18px;}
  .rule-accordion .accordion-content{padding:0 18px 18px 18px;}
  .cta-inner{padding:30px 22px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:28px;}
}
@media screen and (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .hero-title{font-size:30px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{font-size:11.5px;}
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:18px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .badge{font-size:12px;padding:5px 11px;}
  .notice-item{padding:18px;}
  .check-item{padding:16px;}
  .step-top{flex-wrap:wrap;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --bg:#080C0E;
  --bg-soft:#0E1518;
  --surface:#11191D;
  --surface-2:#172126;
  --line:#26343A;
  --line-soft:rgba(255,255,255,.08);
  --text:#F4F7F5;
  --muted:#A8B6B2;
  --dim:#72827E;
  --mint:#35F2B3;
  --lime:#B7FF4A;
  --coral:#FF7A45;
  --gold:#FFD166;
  --danger:#FF5C7A;
  --grad:linear-gradient(135deg,#24E6B5 0%,#B8FF4A 58%,#FFB84D 100%);
  --radius-lg:30px;
  --radius:22px;
  --radius-sm:14px;
  --shadow:0 18px 48px rgba(0,0,0,.32);
  --shadow-hover:0 26px 62px rgba(0,0,0,.46),0 0 0 1px rgba(53,242,179,.22);
  --container:1240px;
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  background-image:radial-gradient(900px 480px at 82% -8%,rgba(53,242,179,.10),transparent 62%),
                   radial-gradient(760px 420px at 4% 4%,rgba(255,122,69,.07),transparent 60%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:hover,a:focus{color:var(--mint);}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.28;letter-spacing:.2px;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
::selection{background:rgba(53,242,179,.3);color:#04120D;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:8px;}

.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;width:100%;}
.section{padding:84px 0;}
.section--tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(26px,3.1vw,38px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16.5px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--mint);font-weight:700;margin-bottom:14px;}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad);border-radius:2px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,17,20,.94);
  border-bottom:1px solid var(--line-soft);
  backdrop-filter:saturate(140%) blur(8px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(8,12,14,.985);box-shadow:0 10px 30px rgba(0,0,0,.42);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:78px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad);color:#04120D;font-weight:800;font-size:20px;letter-spacing:.5px;
  box-shadow:0 10px 26px rgba(53,242,179,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text strong{font-size:16.5px;font-weight:800;color:var(--text);}
.brand-text em{font-style:normal;font-size:12.5px;letter-spacing:.28em;color:var(--mint);font-weight:700;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:14px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 16px;border-radius:12px;font-size:15.5px;font-weight:600;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;border-radius:2px;
  background:var(--grad);opacity:0;transform:scaleX(.4);transition:opacity .2s ease,transform .26s ease;
}
.nav-link:hover,.nav-link:focus{color:var(--text);background:rgba(255,255,255,.04);}
.nav-link.is-active{color:var(--mint);text-shadow:0 0 18px rgba(53,242,179,.45);}
.nav-link.is-active::after{opacity:1;transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15.5px;font-weight:800;letter-spacing:.02em;
  transition:transform .18s ease,box-shadow .22s ease,filter .18s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad);color:#04120D;box-shadow:0 14px 32px rgba(53,242,179,.24);}
.btn-primary:hover,.btn-primary:focus{transform:translateY(-2px);filter:brightness(1.06);color:#04120D;box-shadow:0 18px 40px rgba(53,242,179,.32);}
.btn-ghost{background:transparent;border-color:rgba(53,242,179,.55);color:var(--mint);}
.btn-ghost:hover,.btn-ghost:focus{transform:translateY(-2px);background:rgba(53,242,179,.1);color:var(--mint);border-color:var(--mint);}
.btn-sm{min-height:42px;padding:0 18px;font-size:14.5px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-panel{
  position:fixed;inset:0;z-index:120;background:var(--bg);
  padding:26px 24px 40px;display:none;flex-direction:column;
  overflow-y:auto;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px;}
.panel-close{
  width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:transparent;
  color:var(--text);font-size:22px;line-height:1;display:grid;place-items:center;
}
.mobile-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:28px;}
.mobile-nav a{
  min-height:56px;display:flex;align-items:center;padding:0 16px;border-left:3px solid transparent;
  border-radius:12px;font-size:19px;font-weight:700;color:var(--muted);
}
.mobile-nav a.is-active{color:var(--mint);border-left-color:var(--mint);background:rgba(53,242,179,.08);}
.mobile-nav a:hover{color:var(--text);background:rgba(255,255,255,.04);}
body.nav-locked{overflow:hidden;}

/* ============ hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line-soft);
  padding:44px 0 68px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(8,12,14,.96) 0%,rgba(8,12,14,.86) 46%,rgba(8,12,14,.62) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center right;
  opacity:.85;
}
.page-hero > .grid-container{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--dim);margin-bottom:26px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--mint);}
.crumbs .sep{color:var(--line);}
.crumbs .current{color:var(--mint);}
.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:end;}
.hero-title{font-size:clamp(32px,4.4vw,56px);line-height:1.16;margin-bottom:20px;}
.hero-title .grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{color:var(--muted);font-size:17.5px;max-width:640px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;min-height:34px;padding:0 15px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.04em;border:1px solid var(--line);
  background:rgba(17,25,29,.86);color:var(--muted);
}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.9;}
.badge--mint{color:var(--mint);border-color:rgba(53,242,179,.36);}
.badge--gold{color:var(--gold);border-color:rgba(255,209,102,.34);}
.badge--coral{color:var(--coral);border-color:rgba(255,122,69,.34);}
.badge--plain::before{display:none;}
.hero-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-soft);
  box-shadow:var(--shadow);background:var(--surface);
}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease;}
.hero-card:hover img{transform:scale(1.03);}
.hero-card figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:20px;
  background:linear-gradient(180deg,rgba(8,12,14,0) 0%,rgba(8,12,14,.9) 78%);
  font-size:14px;color:var(--muted);
}
.hero-card .fig-label{display:block;color:var(--text);font-weight:700;font-size:15.5px;margin-bottom:4px;}

/* ============ filter chips ============ */
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;align-items:center;}
.chip{
  display:inline-flex;align-items:center;min-height:40px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:rgba(17,25,29,.8);color:var(--muted);
  font-size:14px;font-weight:700;transition:all .2s ease;
}
.chip:hover,.chip:focus{color:var(--text);border-color:rgba(53,242,179,.5);transform:translateY(-1px);}
.chip.is-on{background:rgba(53,242,179,.14);border-color:rgba(53,242,179,.62);color:var(--mint);}

/* ============ 主区：时间线 + 重点卡 ============ */
.split-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:34px;align-items:start;}
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(53,242,179,.85),rgba(183,255,74,.5),rgba(255,184,77,.28),rgba(38,52,58,0));
}
.tl-item{position:relative;padding:0 0 30px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-33px;top:26px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--mint);box-shadow:0 0 0 4px rgba(53,242,179,.1);
}
.tl-item:nth-child(2) .tl-dot{border-color:var(--lime);box-shadow:0 0 0 4px rgba(183,255,74,.1);}
.tl-item:nth-child(3) .tl-dot{border-color:var(--gold);box-shadow:0 0 0 4px rgba(255,209,102,.1);}
.tl-item:nth-child(4) .tl-dot{border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,122,69,.1);}
.tl-body{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-body:hover{transform:translateY(-3px);border-color:rgba(53,242,179,.3);box-shadow:var(--shadow-hover);}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px;font-size:13px;color:var(--dim);}
.tl-meta time{font-variant-numeric:tabular-nums;}
.tl-body h3{font-size:21px;margin-bottom:10px;}
.tl-body p{color:var(--muted);font-size:15.5px;margin-bottom:14px;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:800;color:var(--mint);}
.text-link span{transition:transform .2s ease;}
.text-link:hover span,.text-link:focus span{transform:translateX(4px);}

.side-stack{display:flex;flex-direction:column;gap:20px;}
.feature-card{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(53,242,179,.3);box-shadow:var(--shadow-hover);}
.feature-card .thumb{position:relative;overflow:hidden;}
.feature-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.feature-card:hover .thumb img{transform:scale(1.04);}
.feature-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,12,14,0) 42%,rgba(8,12,14,.86) 100%);
}
.feature-card .thumb .badge{position:absolute;left:16px;top:16px;z-index:2;background:rgba(8,12,14,.82);}
.feature-body{padding:22px 22px 24px;}
.feature-body h3{font-size:19.5px;margin-bottom:10px;}
.feature-body p{color:var(--muted);font-size:15px;margin-bottom:14px;}

/* ============ 资讯列表 ============ */
.news-mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;}
.news-card{
  grid-column:span 4;display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(53,242,179,.3);box-shadow:var(--shadow-hover);}
.news-card .thumb{position:relative;overflow:hidden;}
.news-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .thumb img{transform:scale(1.04);}
.news-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,12,14,0) 46%,rgba(8,12,14,.8) 100%);}
.news-card .thumb .badge{position:absolute;left:14px;top:14px;z-index:2;background:rgba(8,12,14,.84);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:19px;margin-bottom:10px;}
.news-body p{color:var(--muted);font-size:15px;margin-bottom:16px;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--dim);}
.news-card--wide{grid-column:span 12;flex-direction:row;}
.news-card--wide .thumb{flex:0 0 42%;}
.news-card--wide .thumb img{height:100%;aspect-ratio:16/9;}
.news-card--wide .news-body{padding:28px 30px;}
.news-card--wide h3{font-size:23px;}
.news-card--tall{grid-column:span 5;}
.news-card--tall + .news-card{grid-column:span 7;}

/* ============ 提示条 ============ */
.notice-band{
  border:1px solid rgba(53,242,179,.24);border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(53,242,179,.09),rgba(255,184,77,.06) 62%,rgba(17,25,29,.9));
  padding:34px 36px;display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:space-between;
}
.notice-band h2{font-size:clamp(22px,2.4vw,29px);margin-bottom:8px;}
.notice-band p{color:var(--muted);font-size:15.5px;max-width:720px;}
.notice-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start;}
.faq-aside{position:sticky;top:104px;}
.faq-aside h2{font-size:clamp(26px,3vw,36px);margin-bottom:14px;}
.faq-aside p{color:var(--muted);font-size:15.5px;margin-bottom:20px;}
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--line-soft);border-radius:var(--radius-sm);margin-bottom:12px;
  background:var(--surface);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion .accordion-item:hover{border-color:rgba(53,242,179,.28);}
.accordion .accordion-item.is-active{border-color:rgba(53,242,179,.45);box-shadow:0 14px 34px rgba(0,0,0,.32);}
.accordion .accordion-title{
  border:0;padding:18px 54px 18px 22px;font-size:17.5px;font-weight:800;color:var(--text);
  background:transparent;position:relative;transition:color .2s ease;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:rgba(255,255,255,.03);color:var(--mint);}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:var(--mint);background:none;margin:0;width:auto;height:auto;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"−";}
.accordion .accordion-content{
  border:0;padding:0 22px 20px;background:transparent;color:var(--muted);font-size:15.5px;
  border-left:3px solid transparent;
}
.accordion .accordion-item.is-active .accordion-content{
  border-left:3px solid var(--mint);
  border-image:var(--grad) 1;
}
.accordion .accordion-content p{margin-bottom:10px;}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ============ CTA ============ */
.cta-band{
  position:relative;border-radius:var(--radius-lg);padding:2px;background:var(--grad);
  box-shadow:0 24px 60px rgba(0,0,0,.4);
}
.cta-inner{
  border-radius:calc(var(--radius-lg) - 2px);background:linear-gradient(140deg,#0C1418,#101A1F 58%,#0B1216);
  padding:44px 44px;display:flex;flex-wrap:wrap;gap:30px;align-items:center;justify-content:space-between;
}
.cta-inner h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:12px;}
.cta-inner p{color:var(--muted);font-size:15.5px;max-width:600px;margin-bottom:18px;}
.cta-tags{display:flex;flex-wrap:wrap;gap:10px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ footer ============ */
.site-footer{
  margin-top:90px;background:#060A0C;border-top:1px solid var(--line-soft);position:relative;padding:62px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad);opacity:.85;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{color:var(--muted);font-size:14.5px;margin:18px 0 16px;max-width:360px;}
.footer-domain{
  display:inline-flex;align-items:center;min-height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);font-size:13px;color:var(--dim);letter-spacing:.06em;
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col a,.footer-col .meta-line{
  display:block;color:var(--muted);font-size:14.5px;padding:7px 0;transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover,.footer-col a:focus{color:var(--mint);transform:translateX(3px);}
.meta-line{color:var(--dim);font-size:13.5px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:var(--dim);
}

/* ============ responsive ============ */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1.25fr .75fr;gap:28px;}
  .split-grid{grid-template-columns:1.35fr 1fr;gap:26px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-card{max-width:520px;}
  .split-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;gap:26px;}
  .faq-aside{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .news-card{grid-column:span 6;}
  .news-card--tall,.news-card--tall + .news-card{grid-column:span 6;}
  .news-card--wide{grid-column:span 12;flex-direction:column;}
  .news-card--wide .thumb{flex:none;}
  .news-card--wide .thumb img{aspect-ratio:16/9;}
  .notice-band{padding:28px;flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .page-hero{padding:30px 0 48px;}
  .hero-lead{font-size:16px;}
  .btn{min-height:48px;padding:0 20px;font-size:15px;}
  .news-card,.news-card--tall,.news-card--tall + .news-card{grid-column:span 12;}
  .tl-body{padding:20px 20px;}
  .tl-body h3{font-size:19px;}
  .cta-inner{padding:30px 24px;}
  .notice-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{font-size:12.5px;}
  .chip{min-height:38px;padding:0 14px;font-size:13.5px;}
}
@media (max-width:520px){
  .header-inner{min-height:70px;gap:14px;}
  .brand-mark{width:40px;height:40px;font-size:18px;}
  .hero-title{font-size:31px;}
  .tl-item{padding-bottom:24px;}
  .timeline{padding-left:28px;}
  .tl-dot{left:-27px;}
  .notice-band{padding:22px 20px;border-radius:var(--radius);}
  .cta-band{border-radius:var(--radius);}
  .cta-inner{border-radius:calc(var(--radius) - 2px);}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .tl-body:hover,.news-card:hover,.feature-card:hover,.hero-card:hover img,.news-card:hover .thumb img,.feature-card:hover .thumb img{transform:none;}
}