/* roulang page: index */
:root{
  --bg:#0B0918;
  --footer-bg:#08060F;
  --surface:#16122B;
  --surface-2:#1F1A3D;
  --lime:#C6FF3D;
  --violet:#6E4BFF;
  --coral:#FF5C46;
  --text-1:#F4F2FF;
  --text-2:#A8A2C6;
  --text-3:#6F6A8C;
  --line:#2A2450;
  --radius:16px;
  --radius-lg:20px;
  --shadow:0 18px 44px rgba(4,2,16,.55);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(198,255,61,.28);color:#fff;}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{padding:0 40px;}}

/* ---------- 顶部状态条 ---------- */
.topbar{
  background:#120E26;
  border-left:3px solid var(--lime);
  border-bottom:1px solid var(--line);
  font-size:13px;
}
.topbar-inner{
  min-height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-status{display:inline-flex;align-items:center;gap:8px;color:var(--text-1);white-space:nowrap;}
.dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(198,255,61,.14);
  flex:none;
}
.topbar-note{
  color:var(--text-2);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  flex:1 1 auto;
  text-align:center;
}
.topbar-link{color:var(--text-2);white-space:nowrap;transition:color .18s;}
.topbar-link:hover{color:var(--lime);}
@media(max-width:768px){
  .topbar-note,.topbar-link{display:none;}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .22s ease,border-color .22s ease,backdrop-filter .22s ease;
}
.site-header.scrolled{
  background:rgba(11,9,24,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.nav-inner{
  min-height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:28px;height:28px;flex:none;}
.brand-text{
  font-size:16px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand-text em{color:var(--lime);font-style:normal;}
.nav-links{display:none;align-items:center;gap:6px;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 12px;
  font-size:15px;color:var(--text-2);
  border-radius:8px;
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.nav-link.active{color:var(--text-1);}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.chip-countdown{
  display:none;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,92,70,.5);
  background:rgba(255,92,70,.07);
  color:var(--coral);font-size:12px;
}
.chip-countdown .mono{font-size:12px;letter-spacing:.04em;}
@media(min-width:1024px){.chip-countdown{display:inline-flex;}}
.nav-actions .btn{display:none;}
@media(min-width:1024px){.nav-actions .btn{display:inline-flex;}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);color:var(--text-1);
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:rgba(198,255,61,.5);color:var(--lime);}
@media(min-width:1024px){.nav-toggle{display:none;}}
.mobile-drawer{
  position:fixed;inset:0;z-index:80;
  background:rgba(11,9,24,.98);
  display:none;
  flex-direction:column;
  padding:24px 20px 32px;
  overflow-y:auto;
}
.mobile-drawer.open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-1);
}
.drawer-link{
  display:block;padding:16px 0;
  font-size:20px;font-weight:600;color:var(--text-1);
  border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--lime);}
.drawer-foot{margin-top:auto;padding-top:28px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot .btn{width:100%;min-height:52px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:12px;
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--lime);color:#0B0918;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(198,255,61,.26);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1);}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.55);color:var(--lime);}
.btn-coral{background:transparent;border-color:rgba(255,92,70,.6);color:var(--coral);}
.btn-coral:hover{transform:translateY(-2px);background:rgba(255,92,70,.1);}
.btn[disabled]{opacity:.4;pointer-events:none;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;line-height:1;border:1px solid;
  white-space:nowrap;
}
.badge-lime{color:var(--lime);border-color:rgba(198,255,61,.45);background:rgba(198,255,61,.08);}
.badge-coral{color:var(--coral);border-color:rgba(255,92,70,.45);background:rgba(255,92,70,.08);}
.badge-muted{color:var(--text-2);border-color:var(--line);background:rgba(255,255,255,.02);}

/* ---------- 板块骨架 ---------- */
.sec{padding:64px 0;position:relative;}
@media(min-width:768px){.sec{padding:88px 0;}}
@media(min-width:1024px){.sec{padding:120px 0;}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.sec-num{
  display:inline-flex;align-items:center;gap:10px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;letter-spacing:.16em;color:var(--lime);
  margin-bottom:12px;
}
.sec-num::after{content:"";width:28px;height:2px;background:var(--lime);display:block;}
h2{font-size:26px;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
@media(min-width:768px){h2{font-size:30px;}}
@media(min-width:1024px){h2{font-size:34px;}}
.sec-lead{margin-top:14px;max-width:620px;font-size:16px;color:var(--text-2);line-height:1.85;}
.text-link{font-size:14px;color:var(--text-2);transition:color .18s;display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--lime);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0B0918 0%,#16112E 48%,#0B0918 100%);
  border-bottom:1px solid var(--line);
  padding:48px 0 64px;
}
@media(min-width:768px){.hero{padding:64px 0 84px;}}
@media(min-width:1024px){.hero{padding:72px 0 96px;}}
.hero-glow{
  position:absolute;top:-180px;right:-140px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(110,75,255,.6) 0%,rgba(110,75,255,0) 70%);
  filter:blur(80px);opacity:.25;pointer-events:none;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.05fr .95fr;gap:56px;}}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.hero-title{
  font-size:34px;font-weight:800;line-height:1.22;letter-spacing:-.02em;
  color:var(--text-1);
}
@media(min-width:768px){.hero-title{font-size:44px;}}
@media(min-width:1024px){.hero-title{font-size:54px;}}
.hero-title span{color:var(--lime);}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.9;color:var(--text-2);max-width:560px;}
@media(min-width:1024px){.hero-sub{font-size:17px;}}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line);
}
.stat-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--lime);line-height:1.1;
}
@media(min-width:768px){.stat-num{font-size:30px;}}
.stat-desc{margin-top:6px;font-size:13px;color:var(--text-3);line-height:1.6;}
.hero-panel{
  position:relative;aspect-ratio:16/10;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);background:#0B0918;
  box-shadow:var(--shadow);
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%);
}
.hero-panel img{width:100%;height:100%;object-fit:cover;}
.hero-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:repeating-linear-gradient(to bottom,rgba(198,255,61,.9) 0 1px,transparent 1px 7px);
}
.hero-float{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(11,9,24,.84);
  border:1px solid rgba(198,255,61,.4);
  font-size:12px;color:var(--text-1);
  backdrop-filter:blur(6px);
}

/* ---------- 三步上手 ---------- */
.steps-grid{position:relative;display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:768px){.steps-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
@media(min-width:1024px){.steps-grid{gap:32px;}}
.steps-grid::before{
  content:"";position:absolute;left:0;right:0;top:60px;
  border-top:1px dashed rgba(198,255,61,.22);z-index:0;
}
@media(max-width:767px){
  .steps-grid::before{left:26px;right:auto;top:12px;bottom:12px;border-top:0;border-left:1px dashed rgba(198,255,61,.22);}
}
.step-card{
  position:relative;z-index:1;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:28px 24px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step-card:hover{
  transform:translateY(-2px);
  border-color:rgba(198,255,61,.35);
  box-shadow:var(--shadow),inset 0 0 0 1px rgba(198,255,61,.1);
}
.step-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;color:var(--lime);line-height:1;letter-spacing:.02em;
}
.step-card h3{margin-top:18px;font-size:20px;font-weight:600;color:var(--text-1);}
.step-card p{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.85;}
.step-icon{
  margin-top:22px;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface-2);
  display:inline-flex;align-items:center;justify-content:center;color:var(--lime);
}

/* ---------- 分类速览 ---------- */
.cat-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}}
.cat-card{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:16px;overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.cat-card:hover{
  transform:translateY(-2px);
  border-color:rgba(198,255,61,.35);
  box-shadow:var(--shadow);
}
.cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.cat-card:hover img{transform:scale(1.03);}
.cat-card .cover-wrap{overflow:hidden;}
.cat-body{padding:22px 22px 24px;}
.cat-body h3{margin-top:14px;font-size:20px;font-weight:600;color:var(--text-1);transition:color .18s;}
.cat-card:hover .cat-body h3{color:var(--lime);}
.cat-body p{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.85;}
.cat-more{display:inline-block;margin-top:16px;font-size:14px;color:var(--lime);}

/* ---------- 案例证明 ---------- */
.case-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:1024px){.case-grid{grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}}
.case-main{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.case-main:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.35);box-shadow:var(--shadow);}
.case-main .cover-wrap{overflow:hidden;}
.case-main img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.case-main:hover img{transform:scale(1.03);}
.case-main-body{padding:26px 24px 28px;}
.case-main-body h3{margin-top:14px;font-size:22px;font-weight:600;}
.case-main-body p{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.85;}
.case-side{display:grid;grid-template-columns:1fr;gap:20px;}
.case-small{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:20px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.case-small:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.35);box-shadow:var(--shadow);}
.case-avatar{
  width:48px;height:48px;border-radius:50%;overflow:hidden;flex:none;
  border:1px solid var(--line);background:var(--surface-2);
}
.case-avatar img{width:100%;height:100%;object-fit:cover;}
.case-small h4{font-size:17px;font-weight:600;color:var(--text-1);}
.case-small p{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- 最新信息 ---------- */
.latest-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.latest-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}}
@media(min-width:1024px){.latest-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.35);box-shadow:var(--shadow);}
.post-cover{display:block;overflow:hidden;}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.post-title{
  margin-top:14px;font-size:18px;font-weight:600;line-height:1.55;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s;
}
.post-card:hover .post-title{color:var(--lime);}
.post-excerpt{
  margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:18px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.post-meta a{color:var(--lime);font-size:13px;}
.empty-state{
  border:1px dashed var(--line);border-radius:16px;
  padding:56px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-icon{
  width:52px;height:52px;border-radius:14px;
  border:1px solid var(--line);background:var(--surface-2);
  display:inline-flex;align-items:center;justify-content:center;color:var(--lime);
}
.empty-state p{color:var(--text-2);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease,padding .2s ease,border-color .2s ease;
}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;text-align:left;
  font-size:17px;font-weight:600;color:var(--text-1);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--lime);}
.faq-icon{
  flex:none;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;color:var(--text-2);
  transition:color .18s ease,border-color .18s ease,transform .2s ease;
}
.faq-item.open .faq-icon{color:var(--lime);border-color:rgba(198,255,61,.5);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding-bottom:20px;font-size:15px;color:var(--text-2);line-height:1.9;}
.faq-item.open{border-left:3px solid var(--lime);padding-left:20px;background:linear-gradient(90deg,rgba(198,255,61,.05),rgba(198,255,61,0) 65%);}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1A1440 0%,#221A4D 55%,#1F2A18 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:80px 0;
}
@media(min-width:1024px){.cta-band{padding:96px 0;}}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:repeating-linear-gradient(to bottom,rgba(198,255,61,.9) 0 1px,transparent 1px 8px);
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
}
@media(min-width:1024px){.cta-inner{grid-template-columns:1fr auto;gap:48px;}}
.cta-inner h2{color:var(--text-1);}
.cta-inner .cta-desc{margin-top:14px;font-size:16px;color:var(--text-2);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-side{display:flex;flex-direction:column;align-items:flex-start;gap:12px;}
@media(min-width:1024px){.cta-side{align-items:flex-end;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;}
.footer-brand-text{font-size:16px;font-weight:800;}
.footer-brand-text em{color:var(--lime);font-style:normal;}
.footer-about{margin-top:16px;font-size:14px;color:var(--text-2);line-height:1.85;max-width:320px;}
.footer-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-link{font-size:14px;color:var(--text-2);transition:color .18s;}
.footer-link:hover{color:var(--lime);}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.85;}
.footer-bottom{
  margin-top:48px;padding:22px 0 28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}

/* ---------- 动效降级 ---------- */
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg:#0B0918;
  --footer-bg:#08060F;
  --surface:#16122B;
  --surface-2:#1F1A3D;
  --lime:#C6FF3D;
  --violet:#6E4BFF;
  --coral:#FF5C46;
  --t1:#F4F2FF;
  --t2:#A8A2C6;
  --t3:#6F6A8C;
  --line:#2A2450;
  --radius:16px;
  --radius-lg:20px;
  --radius-btn:12px;
  --shadow:0 18px 44px rgba(4,2,16,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media(min-width:1280px){.container{padding-left:40px;padding-right:40px}}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}

/* 顶部状态条 */
.status-bar{background:#120E27;border-left:3px solid var(--lime);min-height:36px}
.status-inner{display:flex;align-items:center;gap:16px;height:36px;font-size:14px}
.status-label{display:inline-flex;align-items:center;gap:8px;color:var(--t1);font-weight:600;white-space:nowrap}
.status-dot{width:8px;height:8px;border-radius:999px;background:var(--lime);box-shadow:0 0 0 4px rgba(198,255,61,.14)}
.status-ticker{color:var(--t2);flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:13.5px}
.status-link{color:var(--lime);font-size:13.5px;white-space:nowrap;border-bottom:1px solid rgba(198,255,61,.35)}
.status-link:hover{border-bottom-color:var(--lime)}
@media(max-width:768px){.status-ticker,.status-link{display:none}}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,9,24,.72);border-bottom:1px solid transparent;transition:background .25s,border-color .25s,backdrop-filter .25s}
.site-header.is-scrolled{background:rgba(11,9,24,.94);border-bottom-color:var(--line);backdrop-filter:blur(12px)}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:28px;height:28px;flex-shrink:0}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--lime)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;padding:9px 13px;font-size:15px;color:var(--t2);border-radius:10px;transition:color .18s,background .18s}
.nav-link:hover{color:var(--t1);background:rgba(110,75,255,.14)}
.nav-link.active{color:var(--lime);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;background:var(--lime);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.countdown{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border:1px solid rgba(255,92,70,.55);border-radius:999px;color:var(--coral);font-size:13px;font-family:ui-monospace,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;align-items:center;justify-content:center}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--t1);position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1)}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.drawer{display:none;position:fixed;inset:0;z-index:70;background:var(--bg);flex-direction:column;padding:24px 20px 32px}
.drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;font-size:20px;line-height:1}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{padding:14px 4px;font-size:20px;font-weight:600;border-bottom:1px solid rgba(42,36,80,.7)}
.drawer-nav a.active{color:var(--lime)}
.drawer-cta{margin-top:auto}
@media(max-width:900px){
  .nav-links,.countdown{display:none}
  .menu-toggle{display:inline-flex}
}
@media(max-width:520px){
  .nav-actions .btn{display:none}
  .brand-text{font-size:15px}
}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .18s,box-shadow .18s,color .18s,background .18s,border-color .18s;white-space:nowrap}
.btn-primary{background:var(--lime);color:#0B0918;box-shadow:0 10px 26px rgba(198,255,61,.16)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(198,255,61,.26)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{border-color:var(--line);color:var(--t1)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-coral{border-color:rgba(255,92,70,.6);color:var(--coral)}
.btn-coral:hover{background:rgba(255,92,70,.1);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;pointer-events:none}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12px;line-height:1.6;border:1px solid transparent;white-space:nowrap}
.badge-lime{color:var(--lime);border-color:rgba(198,255,61,.4);background:rgba(198,255,61,.08)}
.badge-violet{color:#B8A6FF;border-color:rgba(110,75,255,.5);background:rgba(110,75,255,.12)}
.badge-coral{color:var(--coral);border-color:rgba(255,92,70,.5);background:rgba(255,92,70,.08);font-family:ui-monospace,Menlo,Consolas,monospace}

/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);padding:26px 0 0}
.breadcrumb a{color:var(--t2);transition:color .18s}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:#3B3468}
.breadcrumb .cur{color:var(--t1);font-weight:700}

/* 文章头 */
.article-shell{padding-bottom:80px}
.article-head{padding:20px 0 8px;max-width:880px}
.article-head h1{font-size:32px;line-height:1.32;font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
@media(min-width:768px){.article-head h1{font-size:36px}}
@media(min-width:1024px){.article-head h1{font-size:40px}}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.meta-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border:1px solid var(--line);border-radius:999px;font-size:12.5px;color:var(--t2);font-family:ui-monospace,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
.article-cover{margin:28px 0 0;position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover .cover-tag{position:absolute;left:16px;bottom:16px;background:rgba(11,9,24,.82);border:1px solid rgba(198,255,61,.35);color:var(--lime);padding:6px 12px;border-radius:999px;font-size:12.5px;backdrop-filter:blur(6px)}

/* 布局 */
.article-layout{display:grid;grid-template-columns:1fr;gap:40px;margin-top:40px}
@media(min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}}

/* 正文排版 */
.article-body{max-width:820px;font-size:17px;line-height:1.95;color:var(--t2)}
.article-body > * + *{margin-top:20px}
.article-body p{margin:0;color:var(--t2)}
.article-body h2{position:relative;font-size:26px;line-height:1.4;font-weight:700;color:var(--t1);padding-left:16px;margin-top:40px}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--lime)}
.article-body h3{font-size:20px;font-weight:600;color:var(--t1);margin-top:30px}
.article-body a{color:var(--lime);text-decoration:underline;text-underline-offset:3px;border-radius:4px}
.article-body a:hover{background:rgba(198,255,61,.08)}
.article-body ul,.article-body ol{padding-left:24px;display:flex;flex-direction:column;gap:8px}
.article-body li{color:var(--t2)}
.article-body ul li::marker{color:var(--lime)}
.article-body ol li::marker{color:var(--lime);font-family:ui-monospace,Menlo,Consolas,monospace}
.article-body blockquote{margin:26px 0;padding:20px;background:var(--surface);border-left:3px solid var(--lime);border-radius:0 var(--radius) var(--radius) 0;color:var(--t2)}
.article-body img{border-radius:12px;margin:24px 0;border:1px solid var(--line)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--t3);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.article-body th{background:var(--surface-2);color:var(--t1);text-align:left;font-weight:600}
.article-body th,.article-body td{padding:0 16px;height:52px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:rgba(31,26,61,.45)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body strong{color:var(--t1);font-weight:700}
.empty-state{border:1px dashed var(--line);border-radius:var(--radius);padding:40px 24px;text-align:center;background:rgba(22,18,43,.6)}
.empty-state h2{font-size:22px;color:var(--t1);padding:0;margin:0 0 12px}
.empty-state h2::before{display:none}
.empty-state p{margin-bottom:20px}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px}
@media(min-width:1024px){.article-side{position:sticky;top:96px}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:border-color .18s,box-shadow .18s}
.side-card:hover{border-color:rgba(198,255,61,.35);box-shadow:var(--shadow)}
.side-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--t1);margin-bottom:16px}
.side-title::before{content:"";width:16px;height:2px;background:var(--lime);border-radius:2px}
.side-list{display:flex;flex-direction:column}
.side-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(42,36,80,.7);transition:color .18s}
.side-item:last-child{border-bottom:0;padding-bottom:0}
.side-item:hover .side-item-title{color:var(--lime)}
.side-num{flex-shrink:0;font-size:13px;color:var(--t3);font-family:ui-monospace,Menlo,Consolas,monospace;padding-top:3px}
.side-item:hover .side-num{color:var(--lime)}
.side-item-title{font-size:14.5px;color:var(--t1);line-height:1.6}
.side-item-desc{font-size:13px;color:var(--t3);margin-top:2px}
.side-note{font-size:13.5px;color:var(--t2);line-height:1.8}
.side-note strong{color:var(--lime)}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--t3);margin-right:4px}
.tag{padding:5px 13px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--t2);transition:all .18s}
.tag:hover{border-color:var(--lime);color:var(--lime);background:rgba(198,255,61,.07)}

/* 上下页 */
.pager-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:36px}
@media(min-width:640px){.pager-grid{grid-template-columns:1fr 1fr}}
.pager-card{display:flex;align-items:center;gap:14px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s,border-color .2s,box-shadow .2s}
.pager-card:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.4);box-shadow:var(--shadow)}
.pager-card .arrow{color:var(--lime);font-size:18px;flex-shrink:0}
.pager-card .txt{font-size:15px;color:var(--t1);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pager-card .kicker{font-size:12.5px;color:var(--t3);margin-bottom:2px}

/* 相关推荐 */
.section{margin-top:72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:24px;font-weight:700;color:var(--t1);letter-spacing:-.01em}
.section-head p{font-size:14px;color:var(--t3);margin-top:6px}
.section-head .more{font-size:14px;color:var(--lime);border-bottom:1px solid rgba(198,255,61,.35);white-space:nowrap}
.section-head .more:hover{border-bottom-color:var(--lime)}
.related-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.related-card{display:flex;gap:16px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;transition:transform .2s,border-color .2s,box-shadow .2s}
.related-card:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.4);box-shadow:var(--shadow)}
.related-thumb{width:104px;flex-shrink:0;border-radius:12px;overflow:hidden}
.related-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-card h3{font-size:15px;color:var(--t1);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s}
.related-card:hover h3{color:var(--lime)}
.related-card .time{font-size:12.5px;color:var(--t3);margin-top:6px;font-family:ui-monospace,Menlo,Consolas,monospace}

/* FAQ */
.faq-wrap{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 0;font-size:17px;font-weight:600;color:var(--t1);cursor:pointer;transition:color .18s,padding .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex-shrink:0;width:26px;height:26px;line-height:24px;text-align:center;border:1px solid var(--line);border-radius:8px;color:var(--lime);font-family:ui-monospace,Menlo,Consolas,monospace;font-size:16px;transition:transform .2s,border-color .2s}
.faq-item[open] summary{color:var(--lime);padding-left:14px;border-left:3px solid var(--lime)}
.faq-item[open] summary::after{content:"−";border-color:rgba(198,255,61,.5)}
.faq-item summary:hover{color:var(--lime)}
.faq-answer{padding:0 0 22px;font-size:15px;color:var(--t2);line-height:1.85;max-width:760px}

/* CTA 带 */
.cta-band{margin-top:80px;position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(115deg,#1B1440 0%,#160F33 55%,rgba(198,255,61,.16) 100%);padding:56px 24px}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(0deg,rgba(198,255,61,.06) 0 1px,transparent 1px 4px);opacity:.6;pointer-events:none}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media(min-width:900px){.cta-inner{grid-template-columns:1fr auto}}
@media(min-width:768px){.cta-band{padding:80px 48px}}
.cta-band h2{font-size:28px;font-weight:800;letter-spacing:-.02em;color:var(--t1)}
.cta-band p{font-size:15.5px;color:var(--t2);margin-top:12px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-status{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:13.5px;color:var(--t3)}
.cta-status .cd{color:var(--coral);font-family:ui-monospace,Menlo,Consolas,monospace}

/* 页脚 */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);margin-top:96px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-text{font-size:17px;font-weight:800}
.footer-brand-text em{font-style:normal;color:var(--lime)}
.footer-about{font-size:14px;color:var(--t2);line-height:1.85;max-width:340px}
.footer-title{font-size:15px;font-weight:700;color:var(--t1);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-link{font-size:14px;color:var(--t2);transition:color .18s}
.footer-link:hover{color:var(--lime)}
.footer-note{font-size:13.5px;color:var(--t3);line-height:1.8;display:block}
.footer-bottom{margin-top:48px;padding:22px 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--t3)}
@media(max-width:768px){.footer-links{gap:12px}.footer-link,.footer-note{min-height:24px}}

@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg:#0B0918;
  --bg-deep:#08060F;
  --surface:#16122B;
  --surface-2:#1F1A3D;
  --lime:#C6FF3D;
  --violet:#6E4BFF;
  --coral:#FF5C46;
  --text-1:#F4F2FF;
  --text-2:#A8A2C6;
  --text-3:#6F6A8C;
  --line:#2A2450;
  --radius-card:16px;
  --radius-panel:20px;
  --radius-btn:12px;
  --shadow:0 18px 44px rgba(4,2,16,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.mono{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 40px}}

/* 顶部状态条 */
.topbar{
  height:36px;
  background:#100C22;
  border-bottom:1px solid var(--line);
  border-left:3px solid var(--lime);
}
.topbar-inner{height:100%;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-2)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(198,255,61,.14);flex:none}
.status-label{color:var(--lime);font-weight:600;white-space:nowrap}
.topbar-marquee{
  flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:var(--text-2)
}
.topbar-link{
  color:var(--text-1);border-bottom:1px solid rgba(198,255,61,.4);white-space:nowrap
}
.topbar-link:hover{color:var(--lime)}
@media (max-width:768px){
  .topbar-marquee,.topbar-link{display:none}
}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  transition:background-color .25s ease,border-color .25s ease,backdrop-filter .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(11,9,24,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.nav-inner{height:68px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:28px;height:28px;flex:none}
.brand-text{font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:-0.01em}
.brand-text em{font-style:normal;color:var(--lime)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;color:var(--text-2);border-radius:10px;
}
.nav-link:hover{color:var(--text-1);background:rgba(110,75,255,.14)}
.nav-link.active{color:var(--lime);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--lime)
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.countdown{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;
  font-size:13px;color:var(--coral);border:1px solid rgba(255,92,70,.45);
  background:rgba(255,92,70,.08);border-radius:999px;white-space:nowrap;
}
.countdown b{color:var(--coral);font-weight:700}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:rgba(31,26,61,.6);color:var(--text-1);align-items:center;justify-content:center
}
@media (max-width:1024px){
  .nav-links{display:none}
  .countdown{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .brand-text span.hide-xs{display:none}
}
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--bg);
  display:none;flex-direction:column;padding:24px 20px 32px;
}
.drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--text-1)}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-link{font-size:20px;font-weight:600;color:var(--text-1);padding:14px 8px;border-bottom:1px solid var(--line)}
.drawer-link.active{color:var(--lime)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--lime);color:#0B0918}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(198,255,61,.28)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-coral{background:transparent;border-color:rgba(255,92,70,.6);color:var(--coral)}
.btn-coral:hover{background:rgba(255,92,70,.1);transform:translateY(-2px)}
.btn-lg{min-height:50px;padding:0 28px;font-size:16px}
.btn[disabled]{opacity:.4;pointer-events:none}

/* 页头 */
.page-head{
  position:relative;overflow:hidden;
  padding:44px 0 40px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(600px 320px at 88% -20%, rgba(110,75,255,.28), transparent 70%),
    linear-gradient(150deg,#0B0918 0%,#16122B 62%,#0B0918 100%);
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.6) 0 1px,transparent 1px 4px);
}
.crumbs{position:relative;z-index:2;font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:var(--line)}
.crumbs .current{color:var(--text-2);font-weight:600}
.page-head h1{
  position:relative;z-index:2;
  font-size:34px;font-weight:800;letter-spacing:-0.02em;line-height:1.28;max-width:880px;
}
.page-head h1 em{font-style:normal;color:var(--lime)}
.page-lead{
  position:relative;z-index:2;margin-top:16px;max-width:760px;color:var(--text-2);font-size:16px
}
.cat-tabs{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.cat-tab{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--text-2);border:1px solid var(--line);background:rgba(31,26,61,.5)
}
.cat-tab:hover{color:var(--text-1);border-color:rgba(198,255,61,.5)}
.cat-tab.active{background:var(--lime);border-color:var(--lime);color:#0B0918;font-weight:700}
@media (min-width:768px){.page-head{padding:56px 0 48px}.page-head h1{font-size:44px}}
@media (min-width:1024px){.page-head h1{font-size:52px}}

/* 通用板块 */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:88px 0}}
@media (min-width:1280px){.section{padding:104px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--lime);
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;letter-spacing:.08em;margin-bottom:10px
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--lime);border-radius:2px}
.section-title{font-size:26px;font-weight:700;line-height:1.35}
@media (min-width:768px){.section-title{font-size:32px}}
.section-desc{margin-top:10px;color:var(--text-2);font-size:15px;max-width:680px}

/* 通道网格 */
.grid-2{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:900px){.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}}
.ch-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.ch-card:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.35);box-shadow:var(--shadow)}
.ch-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--surface-2)}
.ch-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.ch-card:hover .ch-media img{transform:scale(1.03)}
.ch-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,9,24,0) 40%,rgba(11,9,24,.75) 100%)
}
.ch-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  font-size:12px;border-radius:999px;border:1px solid rgba(198,255,61,.5);
  background:rgba(198,255,61,.1);color:var(--lime);backdrop-filter:blur(6px)
}
.ch-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.ch-body h3{font-size:20px;font-weight:600;transition:color .2s ease}
.ch-card:hover .ch-body h3{color:var(--lime)}
.ch-body p{font-size:15px;color:var(--text-2);line-height:1.8}
.ch-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.ch-points{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;color:var(--text-2);border:1px solid var(--line);background:rgba(31,26,61,.5)
}
.tag-coral{color:var(--coral);border-color:rgba(255,92,70,.45);background:rgba(255,92,70,.08)}
.ch-link{font-size:14px;color:var(--lime);font-weight:600;white-space:nowrap}
.ch-link:hover{text-decoration:underline}

/* 提示带 */
.notice-band{
  grid-column:1/-1;
  display:flex;align-items:flex-start;gap:14px;
  padding:20px 22px;border-radius:var(--radius-card);
  border:1px dashed rgba(198,255,61,.35);
  background:linear-gradient(100deg,rgba(31,26,61,.9),rgba(22,18,43,.6));
}
.notice-band .nb-icon{
  flex:none;width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(198,255,61,.12);color:var(--lime);font-family:Menlo,Consolas,monospace;font-size:13px;font-weight:700
}
.notice-band strong{display:block;color:var(--text-1);font-size:15.5px;font-weight:600;margin-bottom:4px}
.notice-band p{color:var(--text-2);font-size:14.5px;line-height:1.75}
.notice-band.coral{border-color:rgba(255,92,70,.4)}
.notice-band.coral .nb-icon{background:rgba(255,92,70,.12);color:var(--coral)}

/* 检查清单 */
.check-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1080px){.check-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.check-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;transition:transform .2s ease,border-color .2s ease
}
.check-card:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.35)}
.check-num{
  font-family:Menlo,Consolas,monospace;font-size:28px;font-weight:700;color:var(--lime);
  letter-spacing:-0.02em;line-height:1
}
.check-card h3{margin-top:14px;font-size:17px;font-weight:600}
.check-card p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8}

/* FAQ */
.faq-wrap{max-width:860px}
.faq-item{border-bottom:1px solid var(--line);transition:background-color .2s ease}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;background:transparent;border:0;color:var(--text-1);
  font-size:17px;font-weight:600;text-align:left;line-height:1.5
}
.faq-q:hover{color:var(--lime)}
.faq-sign{
  position:relative;flex:none;width:18px;height:18px
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--lime);border-radius:2px;transition:transform .2s ease,opacity .2s ease
}
.faq-sign::before{left:0;top:8px;width:18px;height:2px}
.faq-sign::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-sign::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{padding:0 4px 22px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:760px}
.faq-item.open{background:linear-gradient(90deg,rgba(198,255,61,.05),transparent 60%)}
.faq-item.open .faq-q{padding-left:16px;border-left:3px solid var(--lime);color:var(--text-1)}
.faq-item.open .faq-a-inner{padding-left:16px}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(108deg,#1F1A3D 0%,#16122B 46%,rgba(198,255,61,.10) 100%);
  padding:72px 0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.7) 0 1px,transparent 1px 5px);
}
.cta-inner{
  position:relative;z-index:2;display:grid;gap:28px;align-items:center
}
@media (min-width:900px){.cta-inner{grid-template-columns:1.5fr .9fr}}
.cta-inner h2{font-size:27px;font-weight:700;line-height:1.35}
@media (min-width:768px){.cta-inner h2{font-size:34px}}
.cta-inner p{margin-top:12px;color:var(--text-2);font-size:16px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-side{
  background:rgba(11,9,24,.55);border:1px solid var(--line);border-radius:var(--radius-panel);
  padding:22px;display:flex;flex-direction:column;gap:14px
}
.cta-side .row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}
.cta-side .row span{color:var(--text-3)}
.cta-side .row b{font-family:Menlo,Consolas,monospace;color:var(--text-1);font-weight:700}
.cta-side .row b.coral{color:var(--coral)}
@media (min-width:768px){.cta-band{padding:88px 0}}

/* 页脚 */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand-text{font-size:16px;font-weight:700;color:var(--text-1)}
.footer-brand-text em{font-style:normal;color:var(--lime)}
.footer-about{margin-top:14px;font-size:14px;color:var(--text-2);line-height:1.8;max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-link,.footer-note{font-size:14px;color:var(--text-2)}
.footer-link:hover{color:var(--lime)}
.footer-note{line-height:1.75;display:block}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3)
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .ch-card:hover,.btn:hover{transform:none}
}

/* roulang page: category2 */
*,*::before,*::after{box-sizing:border-box}
  :root{
    --bg:#0B0918;
    --footer-bg:#08060F;
    --surface:#16122B;
    --surface-2:#1F1A3D;
    --lime:#C6FF3D;
    --violet:#6E4BFF;
    --coral:#FF5C46;
    --t1:#F4F2FF;
    --t2:#A8A2C6;
    --t3:#6F6A8C;
    --line:#2A2450;
    --radius:16px;
    --radius-lg:20px;
    --radius-btn:12px;
    --shadow:0 18px 44px rgba(4,2,16,.55);
    --glow:0 0 0 1px rgba(198,255,61,.55),0 18px 44px rgba(4,2,16,.6);
  }
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--t1);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
  .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}
  @media (min-width:1024px){.container{padding:0 40px}}

  /* ---------- 顶部状态条 ---------- */
  .topbar{height:36px;background:#120E26;border-left:3px solid var(--lime);display:flex;align-items:center}
  .topbar-inner{display:flex;align-items:center;gap:20px;height:100%;width:100%;max-width:1200px;margin:0 auto;padding:0 20px;font-size:13px}
  @media (min-width:768px){.topbar-inner{padding:0 32px}}
  @media (min-width:1024px){.topbar-inner{padding:0 40px}}
  .status-pill{display:inline-flex;align-items:center;gap:8px;color:var(--t1);white-space:nowrap;font-size:13px}
  .status-dot{width:8px;height:8px;border-radius:999px;background:var(--lime);box-shadow:0 0 0 4px rgba(198,255,61,.16)}
  .topbar-scroll{flex:1;min-width:0;color:var(--t2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
  .topbar-link{color:var(--lime);border-bottom:1px solid rgba(198,255,61,.4);white-space:nowrap;font-size:13px}
  .topbar-link:hover{border-bottom-color:var(--lime)}
  @media (max-width:768px){.topbar-scroll,.topbar-link{display:none}}

  /* ---------- 主导航 ---------- */
  .navbar{position:sticky;top:0;z-index:60;height:68px;background:transparent;border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease}
  .navbar.scrolled{background:rgba(11,9,24,.92);border-bottom-color:var(--line);backdrop-filter:blur(12px)}
  .navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{width:28px;height:28px;flex-shrink:0}
  .brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em}
  .brand-text em{font-style:normal;color:var(--lime)}
  .nav-links{display:none;align-items:center;gap:6px}
  @media (min-width:1024px){.nav-links{display:flex}}
  .nav-link{position:relative;padding:8px 14px;font-size:15px;color:var(--t2);border-radius:10px;transition:color .2s ease,background .2s ease;min-height:44px;display:inline-flex;align-items:center}
  .nav-link:hover{color:var(--t1);background:var(--surface)}
  .nav-link.active{color:var(--t1);font-weight:600}
  .nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--lime);border-radius:999px}
  .nav-actions{display:flex;align-items:center;gap:12px}
  .countdown{display:none;align-items:center;gap:6px;border:1px solid var(--coral);color:var(--coral);border-radius:999px;padding:6px 12px;font-size:13px}
  @media (min-width:1024px){.countdown{display:inline-flex}}
  .countdown .num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;font-weight:700}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;color:var(--t1)}
  @media (min-width:1024px){.menu-toggle{display:none}}
  .menu-toggle:hover{border-color:var(--lime);color:var(--lime)}
  .nav-drawer{display:none;position:fixed;inset:0;z-index:80;background:var(--bg);padding:24px 20px 32px;flex-direction:column;gap:8px}
  .nav-drawer.open{display:flex}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
  .drawer-link{display:block;font-size:20px;font-weight:600;color:var(--t1);padding:14px 4px;border-bottom:1px solid var(--line);min-height:44px}
  .drawer-link.active{color:var(--lime)}
  .drawer-cta{margin-top:auto}

  /* ---------- 按钮 / 徽章 ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
  .btn:hover{transform:translateY(-2px)}
  .btn:active{transform:scale(.98)}
  .btn-primary{background:var(--lime);color:#0B0918;box-shadow:0 10px 26px rgba(198,255,61,.18)}
  .btn-primary:hover{box-shadow:0 16px 34px rgba(198,255,61,.28)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--t1)}
  .btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
  .btn-coral{background:transparent;border-color:var(--coral);color:var(--coral)}
  .btn-sm{min-height:40px;padding:0 18px;font-size:14px}
  .badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;line-height:1.7;border:1px solid transparent}
  .badge-lime{color:var(--lime);background:rgba(198,255,61,.08);border-color:rgba(198,255,61,.35)}
  .badge-coral{color:var(--coral);background:rgba(255,92,70,.08);border-color:rgba(255,92,70,.4)}
  .badge-violet{color:#B9A6FF;background:rgba(110,75,255,.12);border-color:rgba(110,75,255,.4)}
  .badge-mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}

  /* ---------- 页头 ---------- */
  .page-head{position:relative;overflow:hidden;padding:40px 0 56px;background:linear-gradient(135deg,#0B0918 0%,#170F33 62%,#0B0918 100%)}
  .page-head::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(0deg,rgba(244,242,255,.05) 0 1px,transparent 1px 4px);opacity:.06;pointer-events:none}
  .page-head::after{content:"";position:absolute;top:-120px;right:-100px;width:420px;height:420px;background:radial-gradient(circle,rgba(110,75,255,.4),transparent 68%);filter:blur(60px);pointer-events:none}
  .page-head-inner{position:relative;z-index:2}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:24px;flex-wrap:wrap}
  .breadcrumb a{color:var(--t2)}
  .breadcrumb a:hover{color:var(--lime)}
  .breadcrumb .sep{color:var(--t3)}
  .breadcrumb .current{color:var(--t1);font-weight:600}
  .page-title{font-size:34px;line-height:1.28;font-weight:800;letter-spacing:-.02em;max-width:820px}
  @media (min-width:768px){.page-title{font-size:44px}}
  @media (min-width:1024px){.page-title{font-size:54px;line-height:1.2}}
  .page-title span{color:var(--lime)}
  .page-lead{margin-top:20px;max-width:680px;font-size:16px;color:var(--t2)}
  .head-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}

  .anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
  .anchor-item{padding:9px 16px;border-radius:999px;border:1px solid var(--line);font-size:14px;color:var(--t2);background:rgba(22,18,43,.6);transition:.2s;min-height:44px;display:inline-flex;align-items:center}
  .anchor-item:hover{border-color:var(--lime);color:var(--lime)}
  .anchor-item.current{background:var(--lime);border-color:var(--lime);color:#0B0918;font-weight:700}

  /* ---------- 通用板块 ---------- */
  .section{padding:64px 0}
  @media (min-width:768px){.section{padding:88px 0}}
  @media (min-width:1024px){.section{padding:120px 0}}
  .section-tight{padding:48px 0}
  @media (min-width:768px){.section-tight{padding:64px 0}}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
  .section-num{display:inline-flex;align-items:center;gap:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;font-size:13px;color:var(--lime);letter-spacing:.14em;margin-bottom:12px}
  .section-num::after{content:"";width:34px;height:2px;background:var(--lime);display:block}
  .section-title{font-size:26px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
  @media (min-width:768px){.section-title{font-size:30px}}
  @media (min-width:1024px){.section-title{font-size:34px}}
  .section-sub{margin-top:12px;color:var(--t2);font-size:15px;max-width:660px}
  .text-link{color:var(--lime);font-size:14px;border-bottom:1px solid rgba(198,255,61,.4);padding-bottom:2px}
  .text-link:hover{border-bottom-color:var(--lime)}

  /* ---------- 数据条 ---------- */
  .stat-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:40px}
  @media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}}
  .stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
  .stat-num{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;color:var(--lime);line-height:1.2}
  .stat-label{display:block;margin-top:6px;font-size:13px;color:var(--t2)}

  /* ---------- 清单行 ---------- */
  .list-wrap{display:flex;flex-direction:column;gap:14px}
  .list-row{display:grid;grid-template-columns:56px minmax(0,1fr) 40px;align-items:center;gap:20px;padding:20px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
  .list-row:hover{background:var(--surface-2);border-color:rgba(198,255,61,.35);transform:translateY(-2px);box-shadow:var(--shadow)}
  .list-row:hover .row-index{color:var(--lime)}
  .list-row:hover .row-arrow{color:var(--lime);transform:translateX(4px)}
  .row-index{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;font-size:22px;font-weight:800;color:var(--t3);transition:color .2s ease}
  .row-title{font-size:19px;font-weight:700;line-height:1.5;transition:color .2s ease}
  .list-row:hover .row-title{color:var(--lime)}
  .row-desc{margin-top:8px;color:var(--t2);font-size:15px;line-height:1.8}
  .row-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
  .row-arrow{justify-self:end;color:var(--t3);font-size:20px;transition:color .2s ease,transform .2s ease}
  @media (max-width:640px){
    .list-row{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px}
    .row-arrow{display:none}
    .row-index{font-size:18px}
    .row-title{font-size:17px}
  }

  /* ---------- 提示带 ---------- */
  .tip-band{position:relative;overflow:hidden;margin:6px 0;padding:22px 26px;border-radius:var(--radius);border:1px solid rgba(110,75,255,.45);background:linear-gradient(120deg,rgba(110,75,255,.16),rgba(198,255,61,.05))}
  .tip-band-inner{display:flex;flex-wrap:wrap;align-items:center;gap:16px;position:relative;z-index:2}
  .tip-band p{color:var(--t2);font-size:15px;flex:1;min-width:240px}

  /* ---------- 选择建议 ---------- */
  .advice-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:stretch}
  @media (min-width:1024px){.advice-grid{grid-template-columns:5fr 7fr;gap:32px}}
  .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease}
  .card:hover{border-color:rgba(198,255,61,.35);transform:translateY(-2px);box-shadow:var(--shadow)}
  .card-media{position:relative;overflow:hidden;border-radius:12px;margin:12px}
  .card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;transition:transform .3s ease}
  .card:hover .card-media img{transform:scale(1.03)}
  .card-body{padding:8px 24px 26px}
  .advice-list{display:flex;flex-direction:column;gap:16px}
  .advice-item{display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:.22s}
  .advice-item:hover{border-color:rgba(198,255,61,.35);background:var(--surface-2)}
  .advice-num{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:rgba(198,255,61,.08);border:1px solid rgba(198,255,61,.3);color:var(--lime);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;font-weight:800}
  .advice-item h3{font-size:18px;font-weight:700}
  .advice-item p{margin-top:8px;color:var(--t2);font-size:15px}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:860px;border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line);transition:border-color .2s ease}
  .faq-item.open{border-left:3px solid var(--lime);padding-left:18px;border-bottom-color:rgba(198,255,61,.35)}
  .faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;text-align:left;padding:20px 4px;font-size:17px;font-weight:600;color:var(--t1);min-height:44px}
  .faq-q:hover{color:var(--lime)}
  .faq-icon{position:relative;flex-shrink:0;width:18px;height:18px}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--lime);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
  .faq-icon::before{top:8px;left:0;width:18px;height:2px}
  .faq-icon::after{top:0;left:8px;width:2px;height:18px}
  .faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
  .faq-a-inner{padding:0 4px 22px;color:var(--t2);font-size:15px;line-height:1.9}

  /* ---------- CTA ---------- */
  .cta-band{position:relative;overflow:hidden;padding:80px 0;background:linear-gradient(115deg,#1A1038 0%,#0B0918 55%,rgba(198,255,61,.12) 100%)}
  @media (min-width:768px){.cta-band{padding:96px 0}}
  .cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(244,242,255,.06) 0 1px,transparent 1px 5px);opacity:.06;pointer-events:none}
  .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between}
  .cta-title{font-size:26px;font-weight:800;letter-spacing:-.01em}
  @media (min-width:768px){.cta-title{font-size:34px}}
  .cta-text{margin-top:14px;color:var(--t2);font-size:16px;max-width:520px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .cta-side{display:flex;flex-direction:column;gap:12px;min-width:220px}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--footer-bg);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-brand-text{font-size:17px;font-weight:800}
  .footer-brand-text em{font-style:normal;color:var(--lime)}
  .footer-about{color:var(--t2);font-size:14px;max-width:330px}
  .footer-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.04em}
  .footer-links{display:flex;flex-direction:column;gap:12px}
  .footer-link,.footer-note{color:var(--t2);font-size:14px;transition:color .2s ease}
  .footer-link:hover{color:var(--lime)}
  .footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:var(--t3);font-size:13px}
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  }

/* roulang page: category3 */
:root{
  --bg:#0B0918;
  --footer-bg:#08060F;
  --surface:#16122B;
  --surface-2:#1F1A3D;
  --lime:#C6FF3D;
  --violet:#6E4BFF;
  --coral:#FF5C46;
  --text-1:#F4F2FF;
  --text-2:#A8A2C6;
  --text-3:#6F6A8C;
  --line:#2A2450;
  --shadow:0 18px 44px rgba(4,2,16,.55);
  --radius-card:16px;
  --radius-panel:20px;
  --radius-btn:12px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:120px;}
body.site{
  margin:0;
  background:var(--bg);
  color:var(--text-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(198,255,61,.3);color:var(--text-1);}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0B0918;}
::-webkit-scrollbar-thumb{background:#2A2450;border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:#3b3370;}

div.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
@media (min-width:640px){div.container{padding:0 32px;}}
@media (min-width:1024px){div.container{padding:0 40px;}}

.mono{font-family:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- 顶部状态条 ---------- */
.topbar{
  height:36px;
  background:#120E26;
  border-left:3px solid var(--lime);
  display:flex;align-items:center;
  font-size:13px;
  position:relative;z-index:60;
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;
}
.topbar-status{display:flex;align-items:center;gap:8px;color:var(--text-1);white-space:nowrap;font-size:13px;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(198,255,61,.14);flex:none;}
.topbar-ticker{
  flex:1;overflow:hidden;position:relative;height:36px;display:flex;align-items:center;
}
.topbar-ticker span{
  display:inline-block;white-space:nowrap;color:var(--text-2);font-size:14px;
  animation:ticker 26s linear infinite;
}
@keyframes ticker{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.topbar-link{color:var(--text-2);font-size:13px;border-bottom:1px solid rgba(198,255,61,.35);padding-bottom:1px;white-space:nowrap;}
.topbar-link:hover{color:var(--lime);}
@media (max-width:768px){
  .topbar-ticker,.topbar-link{display:none;}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(11,9,24,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:26px;height:26px;flex:none;}
.brand-text{font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:-.01em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--lime);}
.brand-text-short{display:none;}
@media (max-width:520px){
  .brand-text-full{display:none;}
  .brand-text-short{display:inline;}
}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  font-size:15px;color:var(--text-2);padding:6px 0;position:relative;transition:color .2s ease;
}
.nav-link:hover{color:var(--text-1);}
.nav-link.active{color:var(--text-1);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--lime);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.countdown-pill{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,92,70,.55);background:rgba(255,92,70,.08);
  color:var(--coral);font-size:13px;white-space:nowrap;
}
.countdown-pill b{font-weight:700;}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:rgba(22,18,43,.7);color:var(--text-1);
  align-items:center;justify-content:center;cursor:pointer;transition:border-color .2s,color .2s;
}
.menu-btn:hover{border-color:rgba(198,255,61,.55);color:var(--lime);}
.menu-btn svg{width:18px;height:18px;}
@media (max-width:1024px){
  .nav-links{gap:18px;}
  .nav-link{font-size:14px;}
}
@media (max-width:860px){
  .nav-links{display:none;}
  .countdown-pill{display:none;}
  .menu-btn{display:flex;}
}
.nav-cta{display:inline-flex;}
@media (max-width:520px){.nav-cta{display:none;}}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--bg);
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:24px 20px 32px;
  visibility:hidden;
}
.drawer.open{transform:translateX(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--radius-btn);border:1px solid var(--line);
  background:transparent;color:var(--text-1);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  font-size:20px;font-weight:600;color:var(--text-2);padding:12px 2px;border-bottom:1px solid rgba(42,36,80,.6);
}
.drawer-nav a.active{color:var(--lime);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  text-align:center;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--lime);color:#0B0918;box-shadow:0 10px 26px rgba(198,255,61,.18);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(198,255,61,.28);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1);}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.55);color:var(--lime);}
.btn-coral{background:transparent;border-color:rgba(255,92,70,.6);color:var(--coral);}
.btn-coral:hover{transform:translateY(-2px);background:rgba(255,92,70,.1);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;line-height:1.7;
  border:1px solid var(--line);background:rgba(198,255,61,.08);color:var(--lime);
}
.badge-coral{border-color:rgba(255,92,70,.5);background:rgba(255,92,70,.08);color:var(--coral);}
.badge-violet{border-color:rgba(110,75,255,.5);background:rgba(110,75,255,.12);color:#B9A8FF;}
.badge-mono{font-family:"JetBrains Mono",ui-monospace,monospace;}
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;
  border:1px solid var(--line);background:rgba(31,26,61,.7);color:var(--text-2);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0B0918 0%,#16112F 55%,#1B1440 100%);
  padding:52px 0 72px;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(198,255,61,.05) 0 1px,transparent 1px 7px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:auto,80px 100%;
  opacity:.9;
}
.hero-glow{
  position:absolute;width:520px;height:520px;right:-120px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(110,75,255,.55) 0%,rgba(110,75,255,0) 68%);
  filter:blur(80px);opacity:.25;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.breadcrumb{font-size:13px;color:var(--text-3);margin-bottom:22px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .cur{color:var(--text-3);font-weight:600;}
.hero-title{
  font-size:34px;line-height:1.25;font-weight:800;color:var(--text-1);
  letter-spacing:-.02em;margin:16px 0 0;
}
.hero-title span{color:var(--lime);}
.hero-lead{margin:20px 0 0;font-size:16px;color:var(--text-2);max-width:520px;}
.hero-lead p{margin:0 0 4px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.stat{
  flex:1 1 150px;min-width:140px;padding:14px 16px;border-radius:var(--radius-card);
  background:rgba(22,18,43,.72);border:1px solid var(--line);
}
.stat b{display:block;font-size:22px;color:var(--lime);font-family:"JetBrains Mono",ui-monospace,monospace;font-weight:700;}
.stat span{display:block;font-size:13px;color:var(--text-3);margin-top:4px;line-height:1.6;}
.hero-visual{position:relative;}
.hero-visual .panel-cut{
  border-radius:var(--radius-panel);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%);
  background:var(--surface);aspect-ratio:16/10;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual .float-tag{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:rgba(11,9,24,.86);border:1px solid rgba(198,255,61,.45);
  color:var(--lime);font-size:12px;backdrop-filter:blur(6px);
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:2;}
}
@media (max-width:640px){
  .hero{padding:36px 0 56px;}
  .hero-title{font-size:29px;}
  .hero-lead{font-size:15px;}
}

/* ---------- 分类锚点切换条 ---------- */
.cat-switch{
  display:flex;flex-wrap:wrap;gap:10px;padding:14px;margin-top:-26px;
  background:rgba(22,18,43,.92);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);position:relative;z-index:5;
}
.cat-switch a{
  display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 16px;
  border-radius:999px;font-size:14px;color:var(--text-2);border:1px solid transparent;
  transition:color .2s,background .2s,border-color .2s;
}
.cat-switch a:hover{color:var(--text-1);background:var(--surface-2);}
.cat-switch a.current{background:var(--lime);color:#0B0918;font-weight:700;}
.cat-switch a .idx{font-family:"JetBrains Mono",monospace;font-size:12px;opacity:.75;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:88px 0;}}
@media (min-width:1024px){.section{padding:104px 0;}}
.section-head{margin-bottom:34px;}
.section-eyebrow{
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);
  font-family:"JetBrains Mono",ui-monospace,monospace;letter-spacing:.06em;margin-bottom:12px;
}
.section-eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);border-radius:2px;}
.section-title{
  font-size:26px;font-weight:700;color:var(--text-1);letter-spacing:-.01em;margin:0;
}
@media (min-width:1024px){.section-title{font-size:32px;}}
.section-desc{margin:12px 0 0;color:var(--text-2);font-size:16px;max-width:720px;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.text-link{color:var(--lime);font-size:14px;border-bottom:1px solid rgba(198,255,61,.4);padding-bottom:2px;}
.text-link:hover{background:rgba(198,255,61,.08);}

/* ---------- 时间轴 ---------- */
.timeline-wrap{position:relative;}
.timeline{position:relative;margin:0;padding:0;list-style:none;}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(198,255,61,.9) 0%,rgba(110,75,255,.6) 55%,rgba(42,36,80,.2) 100%);
}
.tl-item{position:relative;padding-left:46px;margin-bottom:22px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:0;top:22px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:2px solid var(--lime);
  box-shadow:0 0 0 4px rgba(198,255,61,.1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.tl-item:hover::before{transform:scale(1.12);box-shadow:0 0 0 6px rgba(198,255,61,.16);}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tl-card:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.35);box-shadow:var(--shadow);}
.tl-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.tl-no{
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:14px;font-weight:700;
  color:var(--lime);border:1px solid rgba(198,255,61,.35);background:rgba(198,255,61,.08);
  border-radius:8px;padding:1px 9px;
}
.tl-title{font-size:20px;font-weight:600;color:var(--text-1);margin:0;}
.tl-card p{margin:0 0 12px;font-size:15px;color:var(--text-2);line-height:1.85;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.tl-time{font-size:13px;color:var(--text-3);font-family:"JetBrains Mono",monospace;margin-left:auto;}
@media (max-width:640px){
  .tl-item{padding-left:34px;}
  .tl-item::before{width:13px;height:13px;top:22px;}
  .timeline::before{left:5.5px;}
  .tl-card{padding:18px;}
  .tl-title{font-size:18px;}
  .tl-time{margin-left:0;width:100%;}
}

/* ---------- 通用卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
@media (max-width:1024px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media (max-width:768px){.grid-3,.grid-2{grid-template-columns:1fr;}}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.35);box-shadow:var(--shadow);}
.card h3{margin:0 0 8px;font-size:19px;font-weight:600;color:var(--text-1);}
.card p{margin:0;font-size:15px;color:var(--text-2);}
.card-no{
  font-family:"JetBrains Mono",monospace;font-size:22px;font-weight:700;color:var(--lime);
  display:block;margin-bottom:12px;
}

/* ---------- 误区列表 ---------- */
.pit-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media (max-width:768px){.pit-list{grid-template-columns:1fr;}}
.pit{
  display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:var(--radius-card);
  background:var(--surface-2);border:1px solid var(--line);
}
.pit .mark{
  flex:none;width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,92,70,.12);border:1px solid rgba(255,92,70,.45);color:var(--coral);
  font-size:13px;font-weight:700;font-family:"JetBrains Mono",monospace;
}
.pit strong{display:block;color:var(--text-1);font-size:16px;font-weight:600;margin-bottom:4px;}
.pit p{margin:0;font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- 图文条 ---------- */
.figure-band{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-panel);
  padding:24px;overflow:hidden;
}
.figure-band img{border-radius:12px;width:100%;aspect-ratio:16/9;object-fit:cover;}
.figure-band h3{margin:0 0 10px;font-size:22px;color:var(--text-1);font-weight:700;}
.figure-band p{margin:0 0 14px;font-size:15px;color:var(--text-2);}
.figure-band ul{margin:0;padding-left:20px;font-size:14px;color:var(--text-2);}
.figure-band li{margin-bottom:6px;}
@media (max-width:860px){.figure-band{grid-template-columns:1fr;gap:20px;}}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);transition:background .2s ease,padding .2s ease;}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 46px 20px 0;font-size:17px;font-weight:600;color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-family:"JetBrains Mono",monospace;font-size:20px;color:var(--lime);line-height:1;
}
.faq-item[open]{border-left:3px solid var(--lime);background:rgba(22,18,43,.85);padding:0 20px;}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-body{padding:0 0 20px;font-size:15px;color:var(--text-2);line-height:1.85;}
.faq-item .faq-body p{margin:0;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-panel);
  padding:56px 40px;
  background:linear-gradient(120deg,#181233 0%,#221A4A 48%,rgba(198,255,61,.16) 100%);
  display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:repeating-linear-gradient(0deg,rgba(198,255,61,.06) 0 1px,transparent 1px 8px);
}
.cta-band h2{margin:0 0 12px;font-size:26px;font-weight:700;color:var(--text-1);position:relative;}
@media (min-width:1024px){.cta-band h2{font-size:32px;}}
.cta-band p{margin:0 0 22px;font-size:16px;color:var(--text-2);max-width:620px;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;}
.cta-side{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:14px;}
.cta-side .timer{
  font-family:"JetBrains Mono",monospace;font-size:30px;font-weight:700;color:var(--coral);
  border:1px solid rgba(255,92,70,.45);background:rgba(255,92,70,.08);
  border-radius:var(--radius-card);padding:10px 18px;
}
@media (max-width:860px){
  .cta-band{grid-template-columns:1fr;padding:38px 22px;}
  .cta-side .timer{font-size:24px;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);margin-top:0;padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px;}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:26px;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:26px;height:26px;}
.footer-brand-text{font-size:17px;font-weight:800;color:var(--text-1);}
.footer-brand-text em{font-style:normal;color:var(--lime);}
.footer-about{margin:0;font-size:14px;color:var(--text-3);max-width:320px;line-height:1.8;}
.footer-title{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-link{font-size:14px;color:var(--text-2);transition:color .2s ease;}
.footer-link:hover{color:var(--lime);}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.8;display:block;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --bg:#0B0918; --bg-deep:#08060F; --surface:#16122B; --surface-2:#1F1A3D;
  --lime:#C6FF3D; --violet:#6E4BFF; --coral:#FF5C46;
  --t1:#F4F2FF; --t2:#A8A2C6; --t3:#6F6A8C; --line:#2A2450;
  --radius:16px; --radius-lg:20px; --radius-sm:12px;
  --shadow:0 18px 44px rgba(4,2,16,.55);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;background:var(--bg);color:var(--t1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
::selection{background:rgba(198,255,61,.28);color:#0B0918}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0B0918}
::-webkit-scrollbar-thumb{background:#2A2450;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:#3a3268}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 40px}}
.mono{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}

/* ---------- 顶部状态条 ---------- */
.statusbar{background:#120E27;border-left:3px solid var(--lime);font-size:14px}
.statusbar .container{display:flex;align-items:center;gap:16px;height:36px}
.sb-left{display:flex;align-items:center;gap:8px;white-space:nowrap}
.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(198,255,61,.14)}
.sb-label{color:var(--t1);font-size:13px}
.sb-mid{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--t2);font-size:14px}
.sb-right{white-space:nowrap;font-size:13px;color:var(--t2);transition:color .2s}
.sb-right:hover{color:var(--lime)}
@media(max-width:768px){.sb-mid,.sb-right{display:none}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;border-bottom:1px solid transparent;transition:background .25s,border-color .25s,backdrop-filter .25s}
.site-header.is-stuck{background:rgba(11,9,24,.92);border-bottom-color:var(--line);backdrop-filter:blur(14px)}
.nav-bar{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;flex:0 0 auto}
.brand em{font-style:normal;color:var(--lime)}
.brand-mark{width:28px;height:28px;flex:0 0 auto}
.nav-links{display:none;align-items:center;gap:4px;margin-left:auto}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{position:relative;padding:8px 12px;font-size:15px;color:var(--t2);border-radius:10px;transition:color .2s,background .2s}
.nav-link:hover{color:var(--t1);background:rgba(110,75,255,.16)}
.nav-link.active{color:var(--t1)}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--lime);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media(min-width:1024px){.nav-actions{margin-left:0}}
.count-pill{display:none;align-items:center;gap:6px;padding:0 12px;height:36px;border:1px solid rgba(255,92,70,.55);border-radius:999px;color:var(--coral);font-size:13px}
@media(min-width:1180px){.count-pill{display:inline-flex}}
.nav-cta{display:none}
@media(min-width:768px){.nav-cta{display:inline-flex}}
.mobile-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:12px}
@media(min-width:1024px){.mobile-toggle{display:none}}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:12px;font-size:15px;font-weight:700;white-space:nowrap;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s,color .18s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--lime);color:#0B0918;box-shadow:0 10px 26px rgba(198,255,61,.16)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(198,255,61,.26)}
.btn-ghost{border:1px solid var(--line);color:var(--t1);background:transparent}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-coral{border:1px solid rgba(255,92,70,.6);color:var(--coral);background:rgba(255,92,70,.06)}
.btn-coral:hover{background:rgba(255,92,70,.12);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px}

.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;line-height:1.7;border:1px solid;white-space:nowrap}
.badge-lime{color:var(--lime);border-color:rgba(198,255,61,.35);background:rgba(198,255,61,.08)}
.badge-coral{color:var(--coral);border-color:rgba(255,92,70,.38);background:rgba(255,92,70,.08)}
.badge-violet{color:#B5A6FF;border-color:rgba(110,75,255,.48);background:rgba(110,75,255,.12)}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
@media(min-width:768px){.section{padding:88px 0}}
@media(min-width:1024px){.section{padding:104px 0}}
.section-tight{padding:44px 0}
@media(min-width:768px){.section-tight{padding:56px 0}}
.sec-kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--lime);letter-spacing:.16em}
.sec-kicker::after{content:"";width:28px;height:1px;background:var(--lime);opacity:.7}
.sec-title{font-size:26px;font-weight:700;line-height:1.35;letter-spacing:-.01em;margin-top:12px}
@media(min-width:1024px){.sec-title{font-size:32px}}
.sec-desc{margin-top:14px;font-size:16px;color:var(--t2);max-width:640px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:48px 0 64px;background:linear-gradient(135deg,#0B0918 0%,#1A1338 100%)}
.hero::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(198,255,61,.05) 0 1px,transparent 1px 5px);pointer-events:none;opacity:.5}
.hero-glow{position:absolute;top:-140px;right:-100px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(110,75,255,.30) 0%,transparent 70%);filter:blur(80px);pointer-events:none}
.hero .container{position:relative;z-index:2}
@media(min-width:1024px){.hero{padding:76px 0 88px}}
.hero h1{font-size:34px;font-weight:800;line-height:1.28;letter-spacing:-.02em;margin-top:20px}
@media(min-width:768px){.hero h1{font-size:44px}}
@media(min-width:1024px){.hero h1{font-size:54px}}
.hero h1 .hl{color:var(--lime)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--t2);max-width:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.stat-num{font-size:22px;font-weight:700;color:var(--lime)}
@media(min-width:768px){.stat-num{font-size:26px}}
.stat-label{font-size:13px;color:var(--t3);margin-top:2px}

.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface-2);clip-path:polygon(0 0,calc(100% - 36px) 0,100% 36px,100% 100%,0 100%);box-shadow:var(--shadow)}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover}
.visual-scan{position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(198,255,61,.06) 0 1px,transparent 1px 4px);pointer-events:none}
.visual-tag{position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:rgba(11,9,24,.78);border:1px solid rgba(198,255,61,.35);font-size:13px;color:var(--t1);backdrop-filter:blur(6px)}

/* ---------- 分类锚点切换条 ---------- */
.switch-bar{display:flex;flex-wrap:wrap;gap:10px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:16px}
.switch-chip{padding:9px 18px;border-radius:999px;font-size:14px;color:var(--t2);border:1px solid var(--line);background:rgba(31,26,61,.55);transition:color .2s,border-color .2s,background .2s,transform .2s}
.switch-chip:hover{color:var(--t1);border-color:rgba(198,255,61,.4);transform:translateY(-1px)}
.switch-chip.is-active{background:var(--lime);border-color:var(--lime);color:#0B0918;font-weight:700}

/* ---------- 筛选标签 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.filter-chip{padding:8px 16px;border-radius:999px;font-size:14px;color:var(--t2);border:1px solid var(--line);background:var(--surface);transition:color .2s,border-color .2s,background .2s}
.filter-chip:hover{color:var(--t1);border-color:rgba(110,75,255,.6)}
.filter-chip.is-active{background:rgba(198,255,61,.12);border-color:rgba(198,255,61,.5);color:var(--lime);font-weight:700}

/* ---------- 对照面板 ---------- */
.compare{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.compare-head{display:none;background:#1A1440}
@media(min-width:768px){.compare-head{display:grid;grid-template-columns:1fr 1fr}}
.col-head{display:flex;align-items:center;gap:10px;padding:16px 20px;font-size:15px;font-weight:700;color:var(--t1);border-bottom:1px solid var(--line)}
.head-tag{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:8px;background:rgba(198,255,61,.14);color:var(--lime);font-size:12px;font-weight:700}
.compare-row{display:grid;grid-template-columns:1fr;border-bottom:1px solid var(--line);transition:background .2s}
.compare-row:last-child{border-bottom:0}
.compare-row:nth-child(odd){background:rgba(31,26,61,.45)}
.compare-row:hover{background:rgba(110,75,255,.14)}
@media(min-width:768px){.compare-row{grid-template-columns:1fr 1fr}}
.cell{display:flex;align-items:center;gap:10px;padding:16px 20px;min-height:56px;font-size:15px;color:var(--t2)}
.cell-a{border-bottom:1px dashed var(--line);color:var(--t1)}
@media(min-width:768px){.cell-a{border-bottom:0;border-right:1px solid var(--line)}}
.compare-note{margin-top:16px;font-size:13px;color:var(--t3)}

/* ---------- 步骤卡 ---------- */
.step-grid{display:grid;grid-template-columns:1fr;gap:20px;position:relative}
@media(min-width:1024px){.step-grid{grid-template-columns:repeat(3,1fr);gap:32px}}
.step-card{position:relative;padding:28px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s,border-color .2s,box-shadow .2s}
.step-card:hover{transform:translateY(-2px);border-color:rgba(198,255,61,.35);box-shadow:var(--shadow)}
.step-num{font-size:34px;font-weight:800;color:var(--lime);line-height:1}
.step-title{margin-top:16px;font-size:20px;font-weight:600}
.step-text{margin-top:10px;font-size:15px;color:var(--t2);line-height:1.8}
.step-line{display:none;position:absolute;top:46px;right:-32px;width:32px;border-top:1px dashed var(--line)}
@media(min-width:1024px){.step-line{display:block}}

/* ---------- 准备清单 ---------- */
.prep-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface-2)}
.prep-media img{width:100%;height:100%;min-height:280px;object-fit:cover}
.check-list{display:grid;gap:14px}
.check-item{display:flex;gap:14px;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:14px;transition:border-color .2s,transform .2s}
.check-item:hover{border-color:rgba(198,255,61,.32);transform:translateY(-2px)}
.check-idx{font-size:14px;font-weight:700;color:var(--lime);flex:0 0 auto;padding-top:2px}
.check-title{font-size:16px;font-weight:600}
.check-text{margin-top:6px;font-size:14px;color:var(--t2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);transition:background .2s}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item.is-open{background:rgba(31,26,61,.35)}
.faq-q{display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;padding:20px 12px;text-align:left;font-size:17px;font-weight:600;color:var(--t1);transition:color .2s,padding .2s}
.faq-q:hover{color:var(--lime)}
.faq-item.is-open .faq-q{padding-left:20px;padding-right:20px}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--lime);border-radius:2px}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;transition:transform .2s,opacity .2s}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a-inner{border-left:3px solid transparent;margin:0 12px 22px;padding:0 0 0 16px;font-size:15px;color:var(--t2);line-height:1.85}
.faq-item.is-open .faq-a-inner{border-left-color:var(--lime)}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(115deg,#1A1338 0%,#221a48 55%,rgba(198,255,61,.10) 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:64px 0}
@media(min-width:768px){.cta-band{padding:84px 0}}
.cta-band::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(198,255,61,.055) 0 1px,transparent 1px 5px);pointer-events:none}
.cta-band .container{position:relative;z-index:2}
.cta-title{font-size:26px;font-weight:700;line-height:1.35}
@media(min-width:1024px){.cta-title{font-size:34px}}
.cta-text{margin-top:14px;font-size:16px;color:var(--t2);max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
.footer-brand-text em{font-style:normal;color:var(--lime)}
.footer-about{margin-top:14px;font-size:14px;color:var(--t2);line-height:1.85;max-width:320px}
.footer-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-link,.footer-note{font-size:14px;color:var(--t2);transition:color .2s;line-height:1.8}
.footer-link:hover{color:var(--lime)}
.footer-bottom{margin-top:40px;border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--t3)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:#0B0918;display:flex;flex-direction:column;transform:translateY(-102%);visibility:hidden;transition:transform .28s ease,visibility .28s}
.drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:68px;padding:0 20px;border-bottom:1px solid var(--line)}
.drawer-close{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:12px}
.drawer-links{display:flex;flex-direction:column;padding:18px 20px;gap:6px;overflow-y:auto}
.drawer-link{padding:14px 4px;font-size:20px;color:var(--t2);border-bottom:1px solid rgba(42,36,80,.6)}
.drawer-link.active{color:var(--lime);font-weight:700}
.drawer-foot{margin-top:auto;padding:20px;border-top:1px solid var(--line)}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}