/* roulang page: index */
:root{
  --c-bg:#070C1C;
  --c-bg-2:#0C1430;
  --c-panel:rgba(18,28,58,.62);
  --c-line:rgba(140,170,255,.16);
  --c-accent:#C6FF4D;
  --c-accent-soft:rgba(198,255,77,.12);
  --c-accent-2:#45A8FF;
  --c-accent-3:#8A6BFF;
  --c-text:#E8EEFA;
  --c-text-2:#A7B4D0;
  --c-text-3:#6E7C9C;
  --glow:0 0 0 1px rgba(198,255,77,.35), 0 8px 28px rgba(198,255,77,.22);
  --r-card:20px;
  --r-btn:12px;
  --r-img:14px;
  --maxw:1240px;
  --sect:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-bottom:104px;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(140,170,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(140,170,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-accent-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px;position:relative;z-index:1;}
.num{font-variant-numeric:tabular-nums;font-family:"Inter",system-ui,sans-serif;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.scrolled{
  background:rgba(7,12,28,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--c-line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;transition:height .25s ease;}
.site-header.scrolled .nav-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-text);}
.logo:hover{color:var(--c-text);}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 32px;
  background:linear-gradient(140deg,var(--c-accent) 0%,#7FE0A8 45%,var(--c-accent-2) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#08111F;font-weight:800;font-size:15px;
  box-shadow:0 6px 18px rgba(198,255,77,.25);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text b{font-size:1.05rem;font-weight:800;letter-spacing:.01em;}
.logo-text span{font-size:.7rem;color:var(--c-text-2);letter-spacing:.14em;margin-top:2px;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  position:relative;color:var(--c-text-2);font-size:.95rem;padding:6px 0;display:inline-block;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
  box-shadow:0 0 10px rgba(198,255,77,.6);
}
.nav-menu a:hover{color:var(--c-text);}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--c-accent);}
.nav-right{display:flex;align-items:center;gap:14px;}
.btn-glow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-accent);color:#0A1024 !important;
  font-weight:700;font-size:.92rem;
  padding:10px 20px;border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:all .2s ease;
}
.btn-glow:hover{background:#D7FF7A;box-shadow:var(--glow);color:#0A1024;}
.btn-glow:active{transform:translateY(1px);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:transparent;border:1px solid var(--c-line);color:var(--c-text);font-size:1rem;
}
.nav-toggle:hover{border-color:rgba(198,255,77,.5);color:var(--c-accent);}
.drawer{background:#0A1122 !important;border-left:1px solid var(--c-line) !important;}
.drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 22px;}
.drawer .offcanvas-body{padding:18px 22px 28px;}
.drawer-nav a{
  display:block;font-size:1.05rem;line-height:56px;color:var(--c-text);
  border-left:3px solid transparent;padding-left:14px;
}
.drawer-nav a.active{color:var(--c-accent);border-left-color:var(--c-accent);background:rgba(198,255,77,.05);}
.drawer-nav a:hover{color:var(--c-accent);}
.drawer-cta{margin-top:22px;width:100%;justify-content:center;}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px 0 88px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-260px;left:50%;transform:translateX(-50%);
  width:980px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(69,168,255,.22) 0%,rgba(198,255,77,.09) 42%,transparent 70%);
  filter:blur(8px);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--c-line);background:rgba(198,255,77,.07);
  color:var(--c-accent);font-size:.8rem;letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.eyebrow i{font-size:.75rem;}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.25rem);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;color:var(--c-accent);}
.hero-sub{
  margin-top:20px;font-size:1.06rem;color:var(--c-text-2);max-width:560px;line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.btn-main{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--c-accent);color:#0A1024;
  font-weight:700;font-size:1rem;padding:14px 28px;border-radius:var(--r-btn);
  border:1px solid transparent;transition:all .2s ease;
}
.btn-main:hover{background:#D7FF7A;box-shadow:var(--glow);color:#0A1024;}
.btn-main:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  background:transparent;color:var(--c-accent);
  font-weight:600;font-size:1rem;padding:14px 26px;border-radius:var(--r-btn);
  border:1px solid rgba(198,255,77,.45);transition:all .2s ease;
}
.btn-ghost:hover{background:var(--c-accent-soft);color:var(--c-accent);border-color:var(--c-accent);}
.trust-bar{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:34px;color:var(--c-text-3);font-size:.85rem;}
.trust-bar .dot{width:1px;height:14px;background:var(--c-line);}
.trust-bar span{display:inline-flex;align-items:center;gap:7px;}
.trust-bar i{color:var(--c-accent-2);font-size:.85rem;}
.hero-visual{position:relative;}
.hero-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);aspect-ratio:16/9;
  box-shadow:0 24px 60px rgba(3,7,18,.7);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,28,.15) 0%,rgba(7,12,28,.72) 100%);
}
.hero-float{
  position:absolute;left:22px;right:22px;bottom:22px;
  background:var(--c-panel);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--c-line);border-radius:16px;padding:16px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.hero-float b{display:block;font-size:.95rem;}
.hero-float small{color:var(--c-text-2);font-size:.78rem;}
.hero-float .pulse{
  width:10px;height:10px;border-radius:50%;background:var(--c-accent);
  box-shadow:0 0 0 6px rgba(198,255,77,.16);flex:0 0 10px;
}

/* ---------- section common ---------- */
.section{padding:var(--sect) 0;position:relative;z-index:1;}
.section.alt{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head .tag{
  display:inline-block;font-size:.78rem;letter-spacing:.12em;color:var(--c-accent-2);
  margin-bottom:12px;font-weight:600;
}
.section-head h2{
  font-size:clamp(1.375rem,2.4vw,1.875rem);
  font-weight:700;position:relative;padding-left:16px;line-height:1.35;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:var(--c-accent);box-shadow:0 0 12px rgba(198,255,77,.55);
}
.section-head p{margin-top:14px;color:var(--c-text-2);font-size:.98rem;}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.link-more{color:var(--c-accent-2);font-size:.9rem;white-space:nowrap;}
.link-more:hover{color:var(--c-accent);}
.link-more i{font-size:.75rem;margin-left:5px;transition:transform .2s ease;display:inline-block;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- cards ---------- */
.card-glass{
  background:var(--c-panel);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card-glass:hover{transform:translateY(-4px);border-color:rgba(198,255,77,.55);box-shadow:var(--glow);}

/* ---------- features ---------- */
.feature-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;align-items:stretch;}
.feature-main{padding:30px;position:relative;overflow:hidden;}
.feat-num{
  font-family:"Inter",system-ui,sans-serif;font-weight:800;
  font-size:3rem;line-height:1;color:rgba(198,255,77,.28);letter-spacing:-.03em;
}
.feature-main h3{margin-top:10px;font-size:1.35rem;font-weight:700;}
.feature-main p{margin-top:12px;color:var(--c-text-2);font-size:.96rem;}
.feat-media{
  margin-top:24px;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--c-line);aspect-ratio:4/3;
}
.feat-media img{width:100%;height:100%;object-fit:cover;}
.feature-side{display:flex;flex-direction:column;gap:24px;}
.feature-mini{padding:26px;flex:1;display:flex;flex-direction:column;justify-content:center;}
.feature-mini .feat-num{font-size:2rem;}
.feature-mini h3{margin-top:8px;font-size:1.125rem;font-weight:600;}
.feature-mini p{margin-top:8px;color:var(--c-text-2);font-size:.9rem;}
.icon-lite{color:var(--c-accent-2);font-size:1.15rem;margin-bottom:10px;}

/* ---------- demo ---------- */
.demo-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:48px;align-items:center;}
.demo-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 22px;}
.demo-tabs .nav-link{
  border:1px solid var(--c-line);background:transparent;color:var(--c-text-2);
  border-radius:999px;font-size:.88rem;padding:8px 20px;transition:all .2s ease;
}
.demo-tabs .nav-link:hover{color:var(--c-text);border-color:rgba(198,255,77,.45);}
.demo-tabs .nav-link.active{
  background:var(--c-accent);color:#0A1024;font-weight:700;border-color:var(--c-accent);
}
.demo-panel h3{font-size:1.15rem;font-weight:600;margin-bottom:10px;}
.demo-panel p{color:var(--c-text-2);font-size:.96rem;}
.step-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.step-list li{display:flex;gap:10px;font-size:.92rem;color:var(--c-text-2);}
.step-list li i{color:var(--c-accent);margin-top:6px;font-size:.7rem;}
.demo-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);aspect-ratio:16/10;
  box-shadow:inset 0 0 60px rgba(0,0,0,.45);
}
.demo-media img{width:100%;height:100%;object-fit:cover;}
.demo-overlay{
  position:absolute;left:20px;bottom:20px;right:20px;
  background:var(--c-panel);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--c-line);border-radius:16px;padding:16px 18px;
  display:flex;gap:18px;flex-wrap:wrap;
}
.demo-overlay div{flex:1 1 120px;}
.demo-overlay b{display:block;color:var(--c-accent);font-size:1.25rem;font-weight:800;}
.demo-overlay small{color:var(--c-text-2);font-size:.78rem;}

/* ---------- stats & reviews ---------- */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  margin-bottom:44px;
}
.stat-cell{background:var(--c-bg-2);padding:30px 24px;text-align:center;}
.stat-cell b{
  display:block;font-size:clamp(1.75rem,3vw,2.5rem);font-weight:800;color:var(--c-accent);
  font-variant-numeric:tabular-nums;font-family:"Inter",system-ui,sans-serif;line-height:1.1;
}
.stat-cell span{display:block;margin-top:8px;font-size:.82rem;color:var(--c-text-2);}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review-card{padding:26px;display:flex;flex-direction:column;gap:14px;}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 44px;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:#0A1024;font-size:1rem;
  background:linear-gradient(140deg,var(--c-accent),#8FE3B4);
}
.review-top b{display:block;font-size:.95rem;}
.review-top small{color:var(--c-text-3);font-size:.76rem;}
.review-card p{color:var(--c-text-2);font-size:.92rem;line-height:1.8;}
.stars{color:var(--c-accent);font-size:.8rem;letter-spacing:2px;}

/* ---------- news / cms ---------- */
.news-hero{
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);background:var(--c-panel);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  margin-bottom:24px;
}
.news-hero:hover{transform:translateY(-4px);border-color:rgba(198,255,77,.55);box-shadow:var(--glow);}
.news-hero-link{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:0;color:var(--c-text);}
.news-hero-link:hover{color:var(--c-text);}
.news-hero-media{aspect-ratio:4/3;overflow:hidden;background:#101A36;}
.news-hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-hero:hover .news-hero-media img{transform:scale(1.03);}
.news-hero-body{padding:32px;display:flex;flex-direction:column;justify-content:center;}
.news-hero-body h3{font-size:1.3rem;font-weight:700;line-height:1.5;}
.news-hero-body p{margin-top:12px;color:var(--c-text-2);font-size:.94rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.badge-cat{
  display:inline-block;align-self:flex-start;
  font-size:.75rem;padding:4px 12px;border-radius:999px;
  background:rgba(138,107,255,.14);color:#B7A6FF;border:1px solid rgba(138,107,255,.32);
  margin-bottom:14px;
}
.news-meta{margin-top:16px;font-size:.82rem;color:var(--c-text-3);display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.news-meta i{margin-right:5px;font-size:.75rem;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-card{
  display:block;padding:24px;color:var(--c-text);
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(198,255,77,.55);box-shadow:var(--glow);color:var(--c-text);}
.news-card h4{font-size:1.02rem;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{margin-top:10px;color:var(--c-text-2);font-size:.88rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--c-line);border-radius:var(--r-card);
  background:rgba(18,28,58,.4);
}
.empty-state i{font-size:1.8rem;color:var(--c-text-3);}
.empty-state p{margin:16px 0 20px;color:var(--c-text-2);}

/* ---------- faq ---------- */
.faq-wrap{max-width:920px;}
.accordion-item{
  background:var(--c-panel);border:1px solid var(--c-line) !important;
  border-radius:16px !important;margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  background:transparent !important;color:var(--c-text) !important;
  font-size:1rem;font-weight:600;padding:20px 22px 20px 52px;
  box-shadow:none !important;position:relative;
}
.accordion-button::after{display:none !important;}
.accordion-button::before{
  content:"+";position:absolute;left:20px;top:50%;transform:translateY(-50%);
  width:20px;text-align:center;color:var(--c-accent);font-size:1.2rem;font-weight:700;line-height:1;
}
.accordion-button:not(.collapsed){color:var(--c-accent) !important;border-left:3px solid var(--c-accent);}
.accordion-button:not(.collapsed)::before{content:"−";}
.accordion-body{padding:0 22px 22px 52px;color:var(--c-text-2);font-size:.94rem;line-height:1.85;}
.accordion-button:focus{outline:2px solid rgba(198,255,77,.4);outline-offset:-2px;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;text-align:center;padding:80px 0;overflow:hidden;
  background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.cta-band::before{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:720px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,255,77,.16) 0%,transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:800;}
.cta-band p{margin:16px auto 30px;max-width:560px;color:var(--c-text-2);}

/* ---------- footer ---------- */
.site-footer{background:#05091A;border-top:1px solid var(--c-line);padding:64px 0 0;position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand p{margin-top:16px;color:var(--c-text-2);font-size:.9rem;max-width:320px;}
.footer-col h4{font-size:.95rem;font-weight:700;margin-bottom:18px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--c-text-2);font-size:.9rem;display:inline-block;transition:all .2s ease;}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px);}
.footer-col p{color:var(--c-text-2);font-size:.9rem;margin-bottom:10px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--c-line);padding:22px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  color:var(--c-text-3);font-size:.82rem;
}
.footer-bottom a{color:var(--c-text-3);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- sticky bar ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(9,15,32,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--c-line);
  transform:translateY(0);transition:transform .3s ease;
}
.sticky-cta.hidden{transform:translateY(110%);}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0;}
.sticky-inner p{font-size:.92rem;color:var(--c-text-2);}
.sticky-inner p b{color:var(--c-text);}
.sticky-actions{display:flex;align-items:center;gap:12px;}
.sticky-close{
  width:36px;height:36px;border-radius:10px;background:transparent;
  border:1px solid var(--c-line);color:var(--c-text-3);
}
.sticky-close:hover{color:var(--c-accent);border-color:rgba(198,255,77,.5);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px;}
  .demo-grid{gap:36px;}
}
@media (max-width:991px){
  :root{--sect:72px;}
  .nav-menu,.nav-right .btn-glow{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:48px 0 64px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-media{aspect-ratio:16/9;}
  .feature-grid{grid-template-columns:1fr;}
  .demo-grid{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .news-hero-link{grid-template-columns:1fr;}
  .news-hero-media{aspect-ratio:16/9;}
}
@media (max-width:767px){
  :root{--sect:52px;}
  .wrap{padding:0 20px;}
  body{padding-bottom:132px;}
  .hero h1{font-size:1.85rem;}
  .hero-sub{font-size:.98rem;}
  .card-glass{border-radius:16px;}
  .feature-main,.feature-mini{padding:20px;}
  .stats-bar{grid-template-columns:1fr 1fr;}
  .review-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-hero-body{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .sticky-inner{flex-direction:column;align-items:stretch;gap:12px;padding:12px 0;}
  .sticky-inner p{font-size:.85rem;text-align:center;}
  .sticky-actions{justify-content:center;}
  .sticky-actions .btn-main{flex:1;justify-content:center;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .wrap{padding:0 18px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{justify-content:center;}
  .logo-text b{font-size:.95rem;}
  .demo-overlay{position:static;margin:0;border-radius:0;border-left:0;border-right:0;border-bottom:0;}
  .stats-bar{grid-template-columns:1fr 1fr;}
  .stat-cell{padding:22px 14px;}
}

/* roulang page: article */
:root{
  --c-bg:#070C1C;
  --c-bg-2:#0C1430;
  --c-panel:rgba(18,28,58,.62);
  --c-line:rgba(140,170,255,.16);
  --c-accent:#C6FF4D;
  --c-accent-2:#45A8FF;
  --c-accent-3:#8A6BFF;
  --c-text:#E8EEFA;
  --c-text-2:#A7B4D0;
  --c-text-3:#6E7C9C;
  --glow:0 0 0 1px rgba(198,255,77,.35),0 8px 28px rgba(198,255,77,.22);
  --r-card:20px;
  --r-btn:12px;
  --r-img:14px;
  --wrap:1240px;
  --sec:96px;
  --shadow-card:0 18px 40px rgba(3,7,20,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  padding-bottom:0;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    radial-gradient(680px 420px at 82% -8%, rgba(69,168,255,.16), transparent 65%),
    radial-gradient(560px 380px at 6% 8%, rgba(198,255,77,.10), transparent 70%),
    linear-gradient(rgba(140,170,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,170,255,.045) 1px, transparent 1px);
  background-size:auto, auto, 64px 64px, 64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block}
a{color:var(--c-accent-2);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent)}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
::selection{background:rgba(198,255,77,.28);color:#fff}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px}
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}
.num{font-variant-numeric:tabular-nums;font-family:"Inter",system-ui,sans-serif}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(7,12,28,.55);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-stuck{
  background:rgba(7,12,28,.86);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--c-line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:76px;
  transition:min-height .25s ease;
}
.site-header.is-stuck .header-inner{min-height:64px}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--c-text)}
.logo:hover{color:var(--c-text)}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(140deg,var(--c-accent),#7fd11c 65%,#3d8f00);
  color:#0A1024;
  font-weight:900;
  font-size:18px;
  letter-spacing:-.04em;
  box-shadow:0 6px 18px rgba(198,255,77,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text b{font-size:1.06rem;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:.68rem;color:var(--c-text-3);letter-spacing:.22em;margin-top:2px}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{
  position:relative;
  color:var(--c-text-2);
  font-size:.95rem;
  padding:6px 0;
  transition:color .2s ease;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
  box-shadow:0 0 10px rgba(198,255,77,.7);
}
.nav-menu a:hover{color:var(--c-text)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--c-accent)}
.nav-toggle{
  display:none;
  width:44px;height:40px;
  border:1px solid var(--c-line);
  border-radius:11px;
  background:rgba(255,255,255,.04);
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text);transition:transform .2s ease,opacity .2s 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)}

/* ============ 面包屑 ============ */
.crumb-bar{border-bottom:1px solid var(--c-line);background:rgba(12,20,48,.5)}
.crumbs{padding:16px 0;font-size:.84rem}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--c-text-3)}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs li+li::before{content:"/";color:var(--c-text-3);opacity:.6}
.crumbs a{color:var(--c-text-2)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs li[aria-current]{color:var(--c-text-3);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-head{padding:64px 0 0}
.article-head .inner{max-width:900px}
.badge-soft{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(138,107,255,.42);
  background:rgba(138,107,255,.12);
  color:#C4B2FF;
  font-size:.78rem;
  letter-spacing:.04em;
}
.article-head h1{
  font-size:clamp(2rem,4.4vw,3.25rem);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  margin:20px 0 18px;
  background:linear-gradient(180deg,#FFFFFF 12%,#B9C9EA 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:.82rem;color:var(--c-text-3);
}
.meta-row i{color:var(--c-accent-2);margin-right:6px}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--c-text-3);opacity:.6}
.cover-figure{
  margin:38px 0 0;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  overflow:hidden;
  position:relative;
  aspect-ratio:1200/630;
  background:linear-gradient(160deg,#101B3C,#0A1128);
  box-shadow:var(--shadow-card);
}
.cover-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,28,0) 45%,rgba(7,12,28,.62));
  pointer-events:none;
}
.cover-figure img{width:100%;height:100%;object-fit:cover}
.cover-caption{
  display:block;
  text-align:center;
  font-size:.8rem;
  color:var(--c-text-3);
  margin-top:12px;
}

/* ============ 正文区 ============ */
.article-main{padding:56px 0 var(--sec)}
.article-content{
  max-width:760px;
  margin:0 auto;
  background:var(--c-bg-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:48px 52px;
  font-size:17.5px;
  line-height:1.9;
  color:#DDE6F6;
}
.article-content > *:first-child{margin-top:0}
.article-content > *:last-child{margin-bottom:0}
.article-content p{margin:0 0 1.4em;color:#D4DEFF}
.article-content h2{
  position:relative;
  font-size:clamp(1.3rem,2.2vw,1.65rem);
  font-weight:700;
  line-height:1.45;
  margin:2.2em 0 .85em;
  padding-left:16px;
  color:#FFFFFF;
}
.article-content h2::before{
  content:"";
  position:absolute;left:0;top:.2em;bottom:.2em;
  width:4px;border-radius:4px;
  background:var(--c-accent);
  box-shadow:0 0 12px rgba(198,255,77,.55);
}
.article-content h3{
  font-size:1.14rem;
  font-weight:600;
  color:#EAF1FF;
  margin:1.9em 0 .6em;
  padding-left:0;
}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:4px}
.article-content ul li,.article-content ol li{
  position:relative;
  padding-left:20px;
  margin-bottom:.6em;
  color:#D4DEFF;
}
.article-content ul li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:7px;height:7px;border-radius:2px;
  background:var(--c-accent);
  box-shadow:0 0 8px rgba(198,255,77,.5);
}
.article-content ol{counter-reset:li}
.article-content ol li{counter-increment:li}
.article-content ol li::before{
  content:counter(li);
  position:absolute;left:0;top:0;
  font-size:.85em;font-weight:700;color:var(--c-accent);
  font-variant-numeric:tabular-nums;
}
.article-content blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  border-left:3px solid var(--c-accent);
  background:rgba(198,255,77,.07);
  border-radius:0 12px 12px 0;
  color:#C9D6F2;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{
  width:100%;height:auto;
  border-radius:var(--r-img);
  border:1px solid var(--c-line);
  margin:1.6em 0 .6em;
}
.article-content figure{margin:1.8em 0}
.article-content figcaption{text-align:center;font-size:.82rem;color:var(--c-text-3)}
.article-content a{color:var(--c-accent-2);border-bottom:1px dashed rgba(69,168,255,.5)}
.article-content a:hover{color:var(--c-accent);border-bottom-color:rgba(198,255,77,.7)}
.article-content strong{color:#fff}
.article-content code{
  font-family:"Inter",ui-monospace,Menlo,monospace;
  font-size:.9em;
  padding:2px 7px;
  border-radius:6px;
  background:rgba(69,168,255,.14);
  color:#BFE2FF;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:.94rem;
}
.article-content th,.article-content td{
  padding:12px 14px;
  border:1px solid var(--c-line);
  text-align:left;
}
.article-content th{background:rgba(140,170,255,.08);color:#fff;font-weight:600}
.article-content hr{border:0;border-top:1px solid var(--c-line);margin:2.4em 0}

/* ============ 标签 ============ */
.tag-row{
  max-width:760px;
  margin:32px auto 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.tag-row .label{font-size:.82rem;color:var(--c-text-3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.05);
  color:var(--c-text-2);
  font-size:.8rem;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{border-color:rgba(198,255,77,.55);color:var(--c-accent);background:rgba(198,255,77,.08)}

/* ============ 空态 ============ */
.empty-state{
  max-width:760px;
  margin:0 auto;
  text-align:center;
  padding:72px 32px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-bg-2);
}
.empty-state .ico{
  width:60px;height:60px;margin:0 auto 20px;
  display:grid;place-items:center;
  border-radius:18px;
  background:rgba(69,168,255,.12);
  color:var(--c-accent-2);
  font-size:22px;
}
.empty-state h2{font-size:1.35rem;margin-bottom:10px}
.empty-state p{color:var(--c-text-2);margin-bottom:24px}

/* ============ 按钮 ============ */
.btn-lm,.btn-ghost-lm{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  font-weight:700;
  font-size:.95rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-lm{
  background:var(--c-accent);
  color:#0A1024;
  box-shadow:0 10px 26px rgba(198,255,77,.22);
}
.btn-lm:hover{background:#D7FF7A;color:#0A1024;box-shadow:var(--glow);transform:translateY(-2px)}
.btn-lm:active{transform:translateY(0)}
.btn-ghost-lm{
  background:transparent;
  border-color:rgba(198,255,77,.48);
  color:var(--c-accent);
}
.btn-ghost-lm:hover{background:rgba(198,255,77,.12);color:var(--c-accent);transform:translateY(-2px)}

/* ============ 相关推荐 ============ */
.related{padding:var(--sec) 0;background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:40px;
}
.sec-head h2{
  position:relative;
  font-size:clamp(1.375rem,2.4vw,1.875rem);
  font-weight:700;
  padding-left:18px;
}
.sec-head h2::before{
  content:"//";
  position:absolute;left:-4px;top:0;
  color:var(--c-accent);
  font-weight:800;
  opacity:.9;
}
.sec-head p{color:var(--c-text-2);font-size:.92rem;margin:8px 0 0}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:var(--c-panel);
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(198,255,77,.55);box-shadow:var(--glow)}
.post-card .thumb{
  aspect-ratio:4/3;
  overflow:hidden;
  background:linear-gradient(150deg,#0F1B3D,#0A1128);
  position:relative;
}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:1.05rem;font-weight:600;line-height:1.55;color:var(--c-text)}
.post-card h3 a{color:inherit}
.post-card h3 a:hover{color:var(--c-accent)}
.post-card p{font-size:.88rem;color:var(--c-text-2);margin:0;line-height:1.75}
.post-card .foot{
  margin-top:auto;padding-top:12px;
  display:flex;align-items:center;justify-content:space-between;
  font-size:.78rem;color:var(--c-text-3);
  border-top:1px solid var(--c-line);
}
.chip-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  border:1px solid rgba(138,107,255,.42);
  background:rgba(138,107,255,.12);
  color:#C4B2FF;font-size:.74rem;
}

/* ============ 底部转化 ============ */
.cta-band{padding:var(--sec) 0;text-align:center;position:relative;overflow:hidden}
.cta-band::before{
  content:"";
  position:absolute;left:50%;top:50%;
  width:760px;height:360px;
  transform:translate(-50%,-50%);
  background:radial-gradient(closest-side,rgba(198,255,77,.16),transparent 72%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;margin-bottom:14px}
.cta-band p{color:var(--c-text-2);max-width:620px;margin:0 auto 30px;font-size:.96rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--c-line);
  background:rgba(9,15,34,.9);
  padding:72px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:.88rem;color:var(--c-text-2);max-width:34ch}
.footer-col h4{
  font-size:.92rem;font-weight:700;color:#fff;
  margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:.87rem;color:var(--c-text-2);display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col ul a:hover{color:var(--c-accent);transform:translateX(2px)}
.footer-col p{font-size:.86rem;color:var(--c-text-2);margin-bottom:10px}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;
  font-size:.79rem;color:var(--c-text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:80px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--sec:72px}
  .wrap{padding:0 24px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;
    left:0;right:0;top:64px;
    display:none;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:14px 24px 26px;
    background:rgba(7,12,28,.97);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--c-line);
    box-shadow:0 24px 50px rgba(2,5,16,.6);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{
    width:100%;
    font-size:1.05rem;
    line-height:56px;
    padding:0 0 0 14px;
    border-left:3px solid transparent;
  }
  .nav-menu a::after{display:none}
  .nav-menu a.active,.nav-menu a:hover{
    border-left-color:var(--c-accent);
    color:var(--c-accent);
    background:rgba(198,255,77,.05);
  }
  .article-content{padding:36px 30px;font-size:17px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  :root{--sec:52px}
  .wrap{padding:0 18px}
  .header-inner{min-height:64px}
  .site-header.is-stuck .header-inner{min-height:58px}
  .nav-menu{top:58px}
  .crumbs li[aria-current]{max-width:24ch}
  .article-head{padding:40px 0 0}
  .article-head h1{font-size:clamp(1.75rem,7vw,2.2rem)}
  .article-content{padding:26px 18px;font-size:16.5px;border-radius:16px;line-height:1.85}
  .article-content h2{margin-top:1.9em;padding-left:14px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:28px}
  .post-card .body{padding:18px 18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-actions{flex-direction:column}
  .cta-actions .btn-lm,.cta-actions .btn-ghost-lm{width:100%}
}
@media (max-width:520px){
  .logo-text b{font-size:.98rem}
  .meta-row{font-size:.78rem;gap:8px 14px}
  .crumb-bar .crumbs{font-size:.78rem}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --c-bg:#070C1C;
  --c-bg-2:#0C1430;
  --c-panel:rgba(18,28,58,.62);
  --c-panel-2:rgba(10,17,40,.78);
  --c-line:rgba(140,170,255,.16);
  --c-line-2:rgba(140,170,255,.3);
  --c-accent:#C6FF4D;
  --c-accent-hover:#D7FF7A;
  --c-accent-2:#45A8FF;
  --c-accent-3:#8A6BFF;
  --c-text:#E8EEFA;
  --c-text-2:#A7B4D0;
  --c-text-3:#6E7C9C;
  --c-danger:#FF6B6B;
  --glow:0 0 0 1px rgba(198,255,77,.35),0 8px 28px rgba(198,255,77,.22);
  --r-card:20px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 18px 44px rgba(3,7,20,.5);
  --sec-pad:96px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  top:-260px;left:50%;
  transform:translateX(-50%);
  width:960px;height:560px;
  background:radial-gradient(closest-side,rgba(69,168,255,.20),transparent 72%);
  pointer-events:none;z-index:0;
}
body::after{
  content:"";
  position:fixed;inset:0;
  background-image:
    linear-gradient(rgba(140,170,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,170,255,.045) 1px,transparent 1px);
  background-size:68px 68px;
  pointer-events:none;z-index:0;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,transform .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px;}
img{max-width:100%;display:block;border-style:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.site-main{position:relative;z-index:1;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.scrolled{
  background:rgba(7,12,28,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:76px;
  transition:height .25s ease;
}
.site-header.scrolled .header-inner{height:64px;}

.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(198,255,77,.92),rgba(69,168,255,.85));
  color:#0A1024;font-weight:800;font-size:18px;letter-spacing:-.02em;
  box-shadow:0 6px 20px rgba(198,255,77,.24);
  font-family:var(--font-num);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-text);}
.logo-text span{font-size:11px;color:var(--c-text-3);letter-spacing:.22em;margin-top:3px;}

.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-menu a{
  position:relative;
  font-size:15px;color:var(--c-text-2);
  padding:6px 0;
  font-weight:500;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-accent);
  box-shadow:0 0 10px rgba(198,255,77,.65);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-menu a:hover,.nav-menu a:focus-visible{color:var(--c-text);}
.nav-menu a:hover::after,.nav-menu a:focus-visible::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--c-accent);}
.nav-menu a.active::after{transform:scaleX(1);}

.nav-cta{margin-left:4px;}

.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line-2);
  background:rgba(18,28,58,.7);
  color:var(--c-text);
  align-items:center;justify-content:center;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-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(--c-text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer{
  background:rgba(7,12,28,.97)!important;
  backdrop-filter:blur(16px);
  border-left:1px solid var(--c-line)!important;
  color:var(--c-text);
  width:min(88vw,360px);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:22px 24px;border-bottom:1px solid var(--c-line);}
.drawer-body{padding:14px 24px 28px;display:flex;flex-direction:column;}
.drawer-body a.drawer-link{
  display:flex;align-items:center;
  font-size:1.05rem;line-height:56px;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
  position:relative;padding-left:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.drawer-body a.drawer-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--c-accent);border-radius:3px;
  transition:height .2s ease;
}
.drawer-body a.drawer-link.active,.drawer-body a.drawer-link:hover{color:var(--c-accent);padding-left:20px;}
.drawer-body a.drawer-link.active::before,.drawer-body a.drawer-link:hover::before{height:24px;}
.drawer-foot{margin-top:auto;padding-top:28px;}
.btn-close-drawer{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line-2);
  background:transparent;color:var(--c-text-2);cursor:pointer;font-size:18px;line-height:1;
}
.btn-close-drawer:hover{color:var(--c-accent);border-color:var(--c-accent);}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  padding:15px 26px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:all .2s ease;
  white-space:nowrap;
}
.btn-main{
  background:var(--c-accent);color:#0A1024;
  box-shadow:0 10px 26px rgba(198,255,77,.18);
}
.btn-main:hover{background:var(--c-accent-hover);box-shadow:var(--glow);color:#0A1024;transform:translateY(-2px);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--c-accent);
  border-color:rgba(198,255,77,.5);
  box-shadow:inset 0 0 0 0 rgba(198,255,77,0);
}
.btn-ghost:hover{background:rgba(198,255,77,.12);box-shadow:0 0 18px rgba(198,255,77,.18);color:var(--c-accent-hover);}
.btn-line{
  background:transparent;color:var(--c-text);
  border-color:var(--c-line-2);
}
.btn-line:hover{border-color:var(--c-accent-2);color:var(--c-accent-2);background:rgba(69,168,255,.08);}
.nav-cta{padding:11px 20px;font-size:14px;}

/* ============ 通用板块 ============ */
.sec{position:relative;padding:var(--sec-pad) 0;}
.sec-alt{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{
  position:relative;
  font-size:clamp(1.375rem,2.4vw,1.875rem);
  font-weight:700;line-height:1.3;letter-spacing:-.01em;
  padding-left:18px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:var(--c-accent);box-shadow:0 0 14px rgba(198,255,77,.55);
}
.sec-head p{margin-top:14px;color:var(--c-text-2);font-size:15px;max-width:680px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:5px 12px;border-radius:999px;
  border:1px solid var(--c-line-2);
  background:rgba(255,255,255,.06);
  color:var(--c-text-2);
}
.badge-purple{
  border-color:rgba(138,107,255,.5);
  background:rgba(138,107,255,.12);
  color:#B9A7FF;
}
.badge-lemon{
  border-color:rgba(198,255,77,.45);
  background:rgba(198,255,77,.1);
  color:var(--c-accent);
}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0;position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-accent);}
.crumb .sep{color:var(--c-text-3);opacity:.7;}
.crumb .current{color:var(--c-text);font-weight:600;}

/* ============ 分类页横幅 ============ */
.ph-hero{
  position:relative;
  margin-top:22px;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--c-line);
  min-height:320px;
  display:flex;align-items:center;
  padding:52px 48px;
}
.ph-hero .hero-img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;z-index:0;
}
.ph-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(94deg,rgba(7,12,28,.95) 0%,rgba(7,12,28,.82) 42%,rgba(7,12,28,.42) 100%);
}
.ph-hero-inner{position:relative;z-index:2;max-width:720px;}
.ph-hero .eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.24em;color:var(--c-accent-2);
  text-transform:uppercase;margin-bottom:18px;font-family:var(--font-num);
}
.ph-hero .eyebrow::before{content:"";width:28px;height:1px;background:var(--c-accent-2);}
.ph-hero h1{
  font-size:clamp(2rem,4.4vw,3.25rem);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
  margin-bottom:16px;
}
.ph-hero h1 em{font-style:normal;color:var(--c-accent);}
.ph-hero p{color:var(--c-text-2);font-size:16px;max-width:640px;}
.ph-hero .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

/* ============ 入口要点错落卡 ============ */
.point-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:24px;
  align-items:stretch;
}
.card{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:var(--c-panel);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  padding:28px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(198,255,77,.5);box-shadow:var(--glow);}
.card h3{font-size:1.125rem;font-weight:600;margin-bottom:10px;}
.card p{color:var(--c-text-2);font-size:14.5px;}
.card-num{
  font-family:var(--font-num);
  font-size:clamp(2.4rem,5vw,3.4rem);
  font-weight:800;line-height:1;
  color:rgba(198,255,77,.22);
  letter-spacing:-.04em;
  margin-bottom:10px;
}
.card-figure{
  margin-top:22px;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-line);
  aspect-ratio:4/3;
  background:
    repeating-linear-gradient(45deg,rgba(140,170,255,.06) 0 12px,rgba(140,170,255,.02) 12px 24px),
    var(--c-bg-2);
}
.card-figure img{width:100%;height:100%;object-fit:cover;}
.stack-col{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.card-compact{padding:24px;}
.card-compact .card-num{font-size:2rem;margin-bottom:6px;}
.card-compact h3{font-size:1.0625rem;}

/* ============ 步骤流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  counter-reset:step;
}
.step{
  position:relative;
  padding:26px 22px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:rgba(12,20,48,.66);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(69,168,255,.45);box-shadow:0 16px 36px rgba(3,7,20,.5);}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  font-family:var(--font-num);
  font-size:13px;font-weight:700;
  color:#0A1024;
  background:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;
  min-width:32px;height:32px;border-radius:10px;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.step h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px;}
.step p{font-size:14px;color:var(--c-text-2);}
.step-rail{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(140,170,255,.35),transparent);
  margin:36px 0 0;
}

/* ============ 适用场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.scene{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px 24px;
  border-radius:16px;
  border:1px solid var(--c-line);
  background:rgba(18,28,58,.45);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.scene:hover{border-color:rgba(198,255,77,.42);background:rgba(18,28,58,.7);transform:translateY(-3px);}
.scene .ico{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  border:1px solid rgba(69,168,255,.4);
  background:rgba(69,168,255,.1);
  color:var(--c-accent-2);
}
.scene h3{font-size:1.0625rem;font-weight:600;margin-bottom:6px;}
.scene p{font-size:14px;color:var(--c-text-2);}

/* ============ 分区速览 ============ */
.part-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;}
.part-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  aspect-ratio:16/11;
  background:var(--c-bg-2);
}
.part-figure img{width:100%;height:100%;object-fit:cover;}
.part-figure .overlay{
  position:absolute;left:18px;right:18px;bottom:18px;
  padding:18px 20px;
  border-radius:16px;
  border:1px solid var(--c-line-2);
  background:rgba(7,12,28,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.part-figure .overlay b{display:block;font-size:15px;margin-bottom:4px;}
.part-figure .overlay span{font-size:13px;color:var(--c-text-2);}
.part-list{display:flex;flex-direction:column;gap:14px;}
.part-item{
  display:flex;gap:14px;
  padding:18px 20px;
  border-radius:16px;
  border:1px solid var(--c-line);
  background:rgba(18,28,58,.42);
  transition:border-color .2s ease,transform .2s ease;
}
.part-item:hover{border-color:rgba(198,255,77,.4);transform:translateX(4px);}
.part-item .dot{
  flex:0 0 10px;width:10px;height:10px;border-radius:50%;
  background:var(--c-accent);margin-top:9px;
  box-shadow:0 0 10px rgba(198,255,77,.7);
}
.part-item h3{font-size:1rem;font-weight:600;margin-bottom:4px;}
.part-item p{font-size:13.5px;color:var(--c-text-2);}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  padding:30px 26px;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:linear-gradient(180deg,rgba(18,28,58,.7),rgba(12,20,48,.45));
}
.stat{text-align:center;padding:0 8px;}
.stat b{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(1.75rem,3vw,2.5rem);
  font-weight:800;line-height:1.1;
  color:var(--c-accent);
  letter-spacing:-.02em;
}
.stat span{display:block;font-size:13px;color:var(--c-text-3);margin-top:8px;}

/* ============ FAQ ============ */
.faq-acc{display:flex;flex-direction:column;gap:14px;}
.accordion-item{
  border:1px solid var(--c-line)!important;
  border-radius:16px!important;
  background:var(--c-panel)!important;
  overflow:hidden;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(198,255,77,.45)!important;
  box-shadow:0 12px 30px rgba(3,7,20,.45);
}
.accordion-header{margin:0;}
.accordion-button{
  background:transparent!important;
  color:var(--c-text)!important;
  font-size:1rem!important;font-weight:600!important;
  padding:20px 58px 20px 22px!important;
  box-shadow:none!important;
  border-radius:16px!important;
  border-left:3px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.accordion-button:not(.collapsed){border-left-color:var(--c-accent);color:var(--c-accent)!important;}
.accordion-button:hover{color:var(--c-accent-hover)!important;}
.accordion-button::after{
  display:none!important;
}
.accordion-button::before{
  content:"+";
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:9px;
  display:grid;place-items:center;
  border:1px solid var(--c-line-2);
  color:var(--c-text-2);
  font-size:17px;font-weight:400;line-height:1;
  font-family:var(--font-num);
  transition:all .2s ease;
}
.accordion-button:not(.collapsed)::before{
  content:"−";
  border-color:var(--c-accent);
  color:var(--c-accent);
  background:rgba(198,255,77,.1);
}
.accordion-button{position:relative;}
.accordion-body{
  padding:2px 24px 22px!important;
  color:var(--c-text-2);
  font-size:14.8px;
  line-height:1.85;
  border-top:1px solid var(--c-line);
  margin-top:0;
  padding-top:18px!important;
}

/* ============ CTA ============ */
.sec-cta{padding:var(--sec-pad) 0;}
.cta-box{
  position:relative;
  text-align:center;
  border-radius:26px;
  border:1px solid var(--c-line);
  background:linear-gradient(180deg,rgba(18,28,58,.78),rgba(9,15,36,.85));
  padding:64px 32px;
  overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;left:50%;top:-140px;transform:translateX(-50%);
  width:620px;height:320px;
  background:radial-gradient(closest-side,rgba(198,255,77,.18),transparent 72%);
  pointer-events:none;
}
.cta-box h2{
  position:relative;
  font-size:clamp(1.375rem,2.4vw,1.875rem);
  font-weight:700;margin-bottom:14px;
}
.cta-box p{position:relative;color:var(--c-text-2);max-width:560px;margin:0 auto 30px;font-size:15px;}
.cta-actions{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;
  margin-top:0;
  border-top:1px solid var(--c-line);
  background:var(--c-bg-2);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.25fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--c-text-2);max-width:340px;}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.04em;
  color:var(--c-text);margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--c-text-2);display:inline-block;}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px);}
.footer-col p{font-size:14px;color:var(--c-text-2);margin-bottom:12px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:56px;padding:22px 0;
  border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .point-grid{grid-template-columns:1.2fr 1fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  :root{--sec-pad:72px;}
  .wrap{padding:0 24px;}
  .nav-menu,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .part-grid{grid-template-columns:1fr;gap:28px;}
  .point-grid{grid-template-columns:1fr;}
  .stack-col{grid-template-rows:auto auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .ph-hero{padding:40px 30px;min-height:280px;}
}
@media (max-width:768px){
  :root{--sec-pad:52px;}
  .wrap{padding:0 18px;}
  body{font-size:15.5px;}
  .header-inner{height:66px;}
  .site-header.scrolled .header-inner{height:60px;}
  .ph-hero{padding:32px 22px;border-radius:18px;}
  .ph-hero h1{font-size:1.75rem;}
  .card{padding:20px;border-radius:16px;}
  .steps{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .stat-bar{grid-template-columns:1fr 1fr;gap:22px;padding:24px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-box{padding:44px 20px;border-radius:18px;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .accordion-button{font-size:.95rem!important;padding:17px 52px 17px 18px!important;}
}
@media (max-width:520px){
  .ph-hero .hero-tags{gap:8px;}
  .badge-tag{font-size:11px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --c-bg:#070C1C;
  --c-bg-2:#0C1430;
  --c-panel:rgba(18,28,58,.62);
  --c-line:rgba(140,170,255,.16);
  --c-accent:#C6FF4D;
  --c-accent-2:#45A8FF;
  --c-accent-3:#8A6BFF;
  --c-text:#E8EEFA;
  --c-text-2:#A7B4D0;
  --c-text-3:#6E7C9C;
  --glow:0 0 0 1px rgba(198,255,77,.35),0 8px 28px rgba(198,255,77,.22);
  --r-card:20px;
  --r-btn:12px;
  --r-img:14px;
  --max:1240px;
  --pad-d:96px;
  --pad-t:72px;
  --pad-m:52px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 80% -10%, rgba(69,168,255,.16), transparent 62%),
    radial-gradient(760px 460px at 6% 2%, rgba(198,255,77,.09), transparent 64%),
    var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(140,170,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,170,255,.055) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 0%, rgba(0,0,0,.9), transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%, rgba(0,0,0,.9), transparent 78%);
}
img{max-width:100%;display:block}
a{color:var(--c-accent-2);text-decoration:none;transition:color .2s ease,margin .2s ease}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:-.02em;line-height:1.2}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;position:relative;z-index:1}
.num{font-family:"Inter",system-ui,sans-serif;font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{
  background:rgba(7,12,28,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--c-line);
  box-shadow:0 10px 30px rgba(3,7,18,.55);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:76px;
  transition:min-height .25s ease;
}
.site-header.scrolled .header-inner{min-height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-text)}
.logo:hover{color:var(--c-text)}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(150deg,var(--c-accent),#7FE0A8 60%,var(--c-accent-2));
  color:#0A1024;
  font-weight:900;
  font-size:17px;
  font-family:"Inter",system-ui,sans-serif;
  box-shadow:0 6px 18px rgba(198,255,77,.28);
}
.logo-text{display:flex;align-items:baseline;gap:6px;line-height:1}
.logo-text b{font-size:1.05rem;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:.7rem;color:var(--c-text-3);letter-spacing:.14em;text-transform:uppercase}
.nav-collapse{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{
  position:relative;
  color:var(--c-text-2);
  font-size:.95rem;
  font-weight:500;
  padding:6px 0;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-accent);border-radius:2px;opacity:0;transform:scaleX(.4);
  transition:opacity .2s ease,transform .2s ease;
  box-shadow:0 0 12px rgba(198,255,77,.8);
}
.nav-menu a:hover{color:var(--c-text)}
.nav-menu a:hover::after,.nav-menu a.active::after{opacity:1;transform:scaleX(1)}
.nav-menu a.active{color:var(--c-accent);font-weight:700}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;
  border-radius:var(--r-btn);
  background:var(--c-accent);
  color:#0A1024;
  font-weight:700;
  font-size:.92rem;
  border:1px solid var(--c-accent);
  transition:background .2s ease,box-shadow .2s ease,transform .15s ease;
}
.btn-main:hover{background:#D7FF7A;color:#0A1024;box-shadow:var(--glow)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 22px;border-radius:var(--r-btn);
  border:1px solid rgba(198,255,77,.55);
  color:var(--c-accent);background:transparent;font-weight:600;font-size:.92rem;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-ghost:hover{background:rgba(198,255,77,.12);color:var(--c-accent);border-color:var(--c-accent)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 22px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);color:var(--c-text-2);background:transparent;font-weight:600;font-size:.92rem;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.btn-line:hover{border-color:var(--c-accent-2);color:var(--c-accent-2);background:rgba(69,168,255,.08)}
.nav-cta{margin-left:6px}
.nav-toggle{
  margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);
  background:rgba(18,28,58,.7);
  color:var(--c-text);
  display:none;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--c-accent);color:var(--c-accent)}

/* ============ 面包屑 ============ */
.crumb{padding:26px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.83rem;color:var(--c-text-3)}
.crumb li{display:flex;align-items:center;gap:10px}
.crumb li+li::before{content:"/";color:var(--c-text-3);opacity:.6}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-accent)}
.crumb li[aria-current]{color:var(--c-accent)}

/* ============ 分类 Hero（横幅式，与首页区分） ============ */
.cat-hero{position:relative;overflow:hidden;padding:34px 0 62px}
.cat-hero .hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center right;
  opacity:.28;
  filter:saturate(1.1);
  z-index:0;
}
.cat-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(7,12,28,.96) 0%, rgba(7,12,28,.82) 42%, rgba(7,12,28,.55) 100%);
}
.cat-hero .wrap{z-index:2}
.cat-hero h1{
  margin-top:22px;
  font-size:clamp(2rem,4.4vw,3.25rem);
  font-weight:800;
  line-height:1.15;
  max-width:19ch;
}
.cat-hero h1 em{font-style:normal;color:var(--c-accent);display:block}
.cat-hero .lead{
  margin-top:20px;
  max-width:640px;
  color:var(--c-text-2);
  font-size:1.02rem;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.05);
  color:var(--c-text-2);
  font-size:.8rem;
}
.tag i{color:var(--c-accent);font-size:.75rem}
.tag--violet{border-color:rgba(138,107,255,.4);background:rgba(138,107,255,.12);color:#C0B3FF}
.tag--blue{border-color:rgba(69,168,255,.35);background:rgba(69,168,255,.1);color:#9CD0FF}

/* ============ 通用板块 ============ */
.section{padding:var(--pad-d) 0;position:relative}
.section--alt{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:44px}
.sec-head h2{
  font-size:clamp(1.375rem,2.4vw,1.875rem);
  font-weight:700;
  position:relative;
  padding-left:18px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:3px;
  background:var(--c-accent);box-shadow:0 0 16px rgba(198,255,77,.55);
}
.sec-head p{margin:8px 0 0;color:var(--c-text-2);font-size:.94rem;max-width:62ch}
.sec-link{font-size:.9rem;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}

/* ============ 筛选胶囊 ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.03);
  color:var(--c-text-2);
  font-size:.86rem;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{border-color:rgba(198,255,77,.55);color:var(--c-text)}
.chip.active{background:var(--c-accent);border-color:var(--c-accent);color:#0A1024;font-weight:700}
.filters{padding-bottom:6px}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.g-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:var(--c-panel);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.g-card:hover{transform:translateY(-4px);border-color:rgba(198,255,77,.6);box-shadow:var(--glow)}
.g-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;border-bottom:1px solid var(--c-line)}
.g-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .38s ease}
.g-card:hover .thumb img{transform:scale(1.03)}
.g-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,12,28,.05) 40%, rgba(7,12,28,.72) 100%);
}
.g-card .thumb .badge-cat{position:absolute;left:16px;bottom:16px;z-index:2}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:.74rem;font-weight:600;letter-spacing:.02em;
  border:1px solid rgba(138,107,255,.4);
  background:rgba(138,107,255,.14);
  color:#C4B8FF;
}
.badge--blue{border-color:rgba(69,168,255,.38);background:rgba(69,168,255,.12);color:#9CD0FF}
.badge--lime{border-color:rgba(198,255,77,.4);background:rgba(198,255,77,.12);color:#D8FF8A}
.g-card .body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.g-card h3{font-size:1.125rem;font-weight:600;margin-bottom:10px}
.g-card h3 a{color:var(--c-text)}
.g-card h3 a:hover{color:var(--c-accent)}
.g-card p{color:var(--c-text-2);font-size:.92rem;margin-bottom:18px}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:14px;padding-top:14px;border-top:1px solid var(--c-line);
  color:var(--c-text-3);font-size:.8rem;
}
.card-foot .go{color:var(--c-accent);font-weight:600}
.g-card:hover .card-foot .go{text-decoration:underline}

/* ============ 速览路线 ============ */
.route-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.route{
  position:relative;
  padding:34px 26px 30px;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:var(--c-panel);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.route:hover{transform:translateY(-4px);border-color:rgba(198,255,77,.55);box-shadow:var(--glow)}
.route .idx{
  font-family:"Inter",system-ui,sans-serif;
  font-size:2.6rem;font-weight:800;line-height:1;
  color:rgba(198,255,77,.22);
  display:block;margin-bottom:14px;
}
.route h3{font-size:1.05rem;font-weight:600;margin-bottom:10px}
.route p{color:var(--c-text-2);font-size:.92rem;margin:0}
.route::after{
  content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(closest-side, rgba(69,168,255,.22), transparent);
}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:linear-gradient(180deg, rgba(12,20,48,.85), rgba(7,12,28,.75));
  padding:36px 28px;
}
.stat{text-align:center;padding:0 10px;position:relative}
.stat+.stat::before{
  content:"";position:absolute;left:-10px;top:12%;bottom:12%;width:1px;background:var(--c-line);
}
.stat b{
  display:block;
  font-family:"Inter",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:clamp(1.75rem,3vw,2.5rem);
  font-weight:800;
  color:var(--c-accent);
  line-height:1.1;
}
.stat span{display:block;margin-top:8px;color:var(--c-text-2);font-size:.82rem}

/* ============ 图文区块 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split .media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);
  aspect-ratio:16/10;
  box-shadow:inset 0 0 60px rgba(3,7,18,.7);
}
.split .media img{width:100%;height:100%;object-fit:cover}
.split .media .float{
  position:absolute;left:20px;bottom:20px;right:20px;
  padding:16px 18px;
  border-radius:16px;
  background:rgba(9,15,34,.78);
  border:1px solid var(--c-line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  font-size:.85rem;color:var(--c-text-2);
}
.split .media .float b{color:var(--c-accent);font-weight:700}
.timeline{margin-top:26px}
.timeline li{
  position:relative;padding:0 0 22px 26px;
  border-left:1px solid var(--c-line);
}
.timeline li:last-child{border-left-color:transparent;padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-5px;top:.55em;width:9px;height:9px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 12px rgba(198,255,77,.8);
}
.timeline b{display:block;font-size:.98rem;font-weight:600}
.timeline span{color:var(--c-text-2);font-size:.88rem}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.fx-acc .accordion-item{
  background:var(--c-panel);
  border:1px solid var(--c-line);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.fx-acc .accordion-item:last-child{margin-bottom:0}
.fx-acc .accordion-button{
  background:transparent;
  color:var(--c-text);
  font-size:1rem;
  font-weight:600;
  padding:18px 24px;
  border:0;
  box-shadow:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.fx-acc .accordion-button:not(.collapsed){
  color:var(--c-accent);
  background:rgba(198,255,77,.06);
  box-shadow:inset 3px 0 0 var(--c-accent);
}
.fx-acc .accordion-button::after{
  content:"+";
  background-image:none;
  width:auto;height:auto;
  font-size:1.35rem;line-height:1;
  color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
  transform:none;transition:transform .2s ease;
}
.fx-acc .accordion-button:not(.collapsed)::after{content:"−";transform:none}
.fx-acc .accordion-body{
  padding:0 24px 20px;
  color:var(--c-text-2);
  font-size:.94rem;
}
.fx-acc .accordion-button:focus{box-shadow:none}
.fx-acc .accordion-button:focus-visible{outline:2px solid var(--c-accent);outline-offset:-3px}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  text-align:center;
  padding:70px 32px;
  border-radius:26px;
  border:1px solid var(--c-line);
  background:linear-gradient(180deg, rgba(12,20,48,.92), rgba(7,12,28,.92));
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:50%;top:-140px;transform:translateX(-50%);
  width:620px;height:320px;border-radius:50%;
  background:radial-gradient(closest-side, rgba(198,255,77,.22), transparent);
  filter:blur(6px);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(1.45rem,2.6vw,2rem);font-weight:800}
.cta-band p{margin:16px auto 30px;max-width:620px;color:var(--c-text-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;
  border-top:1px solid var(--c-line);
  background:rgba(7,12,28,.9);
  padding:64px 0 22px;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--c-text-2);font-size:.9rem;max-width:34ch}
.footer-col h4{font-size:.95rem;font-weight:700;margin-bottom:16px;color:var(--c-text)}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:var(--c-text-2);font-size:.88rem;display:inline-block}
.footer-col a:hover{color:var(--c-accent);margin-left:2px}
.footer-col p{color:var(--c-text-2);font-size:.88rem}
.footer-bottom{
  margin-top:48px;padding-top:20px;
  border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--c-text-3);font-size:.8rem;
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .wrap{padding:0 28px}
  .split{gap:36px}
}
@media (max-width:991px){
  :root{--pad-d:72px}
  .nav-toggle{display:flex}
  .nav-collapse{
    display:block;
    position:absolute;left:18px;right:18px;top:100%;
    margin-top:12px;
    padding:18px;
    border-radius:18px;
    border:1px solid var(--c-line);
    background:rgba(9,15,34,.97);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    box-shadow:0 22px 50px rgba(3,7,18,.7);
  }
  .nav-collapse.show,.nav-collapse.collapsing{display:block}
  .nav-menu{flex-direction:column;align-items:stretch;gap:0}
  .nav-menu a{
    font-size:1.05rem;
    line-height:56px;
    padding:0 14px;
    border-radius:12px;
  }
  .nav-menu a::after{display:none}
  .nav-menu a.active{
    background:rgba(198,255,77,.08);
    box-shadow:inset 3px 0 0 var(--c-accent);
  }
  .nav-cta{margin:16px 0 0;width:100%}
  .header-inner{position:relative}
  .section{padding:var(--pad-t) 0}
  .card-grid{grid-template-columns:1fr;gap:22px}
  .route-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 16px}
  .stat:nth-child(3)::before{display:none}
  .split{grid-template-columns:1fr;gap:28px}
  .split .media{order:-1}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:768px){
  .wrap{padding:0 22px}
  .cat-hero{padding-bottom:46px}
  .cat-hero h1{max-width:none}
  .sec-head{margin-bottom:32px}
  .g-card .body{padding:20px}
  .cta-band{padding:52px 22px}
}
@media (max-width:576px){
  :root{--pad-d:52px;--pad-t:52px}
  .wrap{padding:0 18px}
  .header-inner{min-height:66px}
  .site-header.scrolled .header-inner{min-height:60px}
  .logo-text span{display:none}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));padding:26px 18px}
  .stat+.stat::before{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
  .card-foot{flex-wrap:wrap;gap:8px}
}