/* roulang page: index */
:root{
  --bg:#070B14;
  --bg-2:#0C1220;
  --panel:#111A2B;
  --panel-2:#0E1626;
  --panel-glass:rgba(18,26,42,.66);
  --line:rgba(126,170,255,.14);
  --line-strong:rgba(126,170,255,.32);
  --primary:#3E9BFF;
  --primary-2:#5FE3FF;
  --felt:#1FB98A;
  --chip:#F2B544;
  --text:#E9F0FA;
  --muted:#98A8C0;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --hi:inset 0 0 0 1px rgba(126,170,255,.10);
  --container:1200px;
  --section-space:88px;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Consolas,"Courier New",monospace;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(62,155,255,.16), transparent 62%),
    radial-gradient(760px 440px at 88% -4%, rgba(95,227,255,.10), transparent 64%),
    linear-gradient(rgba(126,170,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126,170,255,.045) 1px, transparent 1px);
  background-size:auto,auto,52px 52px,52px 52px;
  background-attachment:fixed;
  text-align:left;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-2);text-decoration:underline;text-underline-offset:4px;}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.35;font-weight:700;letter-spacing:0;color:var(--text);}
h1{font-size:clamp(28px,4vw,44px);}
h2{font-size:clamp(22px,2.6vw,28px);}
h3{font-size:18px;}
p{margin:0 0 14px;color:var(--text);}
ul,ol{margin:0 0 14px;padding-left:20px;}
button{font-family:inherit;}
::selection{background:rgba(62,155,255,.35);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

.section{padding:var(--section-space) 0;position:relative;}
.section-alt{background:linear-gradient(180deg, rgba(12,18,32,.55), rgba(7,11,20,0));}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:38px;flex-wrap:wrap;
}
.section-title{margin:0;font-size:clamp(22px,2.6vw,28px);}
.section-title .accent{color:var(--primary-2);}
.section-sub{margin:8px 0 0;color:var(--muted);font-size:14px;line-height:1.7;}
.section-more{font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;}
.section-more:hover{color:var(--primary-2);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px rgba(0,0,0,.42);
}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  height:74px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  display:inline-flex;align-items:center;
  padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--muted);
  position:relative;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(126,170,255,.08);text-decoration:none;}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{
  content:'';position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  border-radius:2px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  justify-self:center;font-weight:700;font-size:17px;color:var(--text);
  white-space:nowrap;
}
.brand:hover{text-decoration:none;color:var(--text);}
.brand-mark{
  position:relative;width:30px;height:30px;border-radius:50%;
  border:2px solid var(--primary);flex:none;display:inline-block;
}
.brand-mark::before{
  content:'';position:absolute;inset:5px;border-radius:50%;
  border:1px dashed rgba(95,227,255,.75);
}
.brand-mark::after{
  content:'';position:absolute;inset:11px;border-radius:50%;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:rgba(126,170,255,.08);border:1px solid var(--line);
  color:var(--text);font-size:18px;cursor:pointer;
}
.nav-toggle:hover{background:rgba(126,170,255,.16);}

/* ---------- 移动抽屉 ---------- */
.site-drawer{
  position:fixed;top:0;left:0;height:100%;width:300px;max-width:86vw;
  background:linear-gradient(180deg,var(--panel),var(--bg-2));
  border-right:1px solid var(--line);
  transform:translateX(-103%);
  transition:transform .3s ease;
  z-index:90;padding:22px;overflow-y:auto;
}
.site-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:rgba(126,170,255,.08);color:var(--text);cursor:pointer;font-size:16px;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;font-size:15px;color:var(--muted);
  border:1px solid transparent;min-height:44px;display:flex;align-items:center;
}
.drawer-nav a:hover,.drawer-nav a.is-active{
  color:var(--text);background:rgba(126,170,255,.10);border-color:var(--line);text-decoration:none;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,14,.66);
  opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  color:#04121F;
  box-shadow:0 8px 24px rgba(62,155,255,.30);
}
.btn-primary:hover{
  color:#04121F;filter:brightness(1.08);transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(62,155,255,.42),0 0 0 6px rgba(62,155,255,.12);
}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{
  background:rgba(62,155,255,.06);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{
  color:var(--text);background:rgba(62,155,255,.14);
  transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.35);
}
.btn-ghost:active{transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:9px 16px;font-size:14px;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;line-height:1.7;color:var(--muted);
  background:rgba(126,170,255,.07);border:1px solid var(--line);
}
.badge-felt{
  color:#8CF0CE;background:rgba(31,185,138,.13);
  border-color:rgba(31,185,138,.36);
}
.badge-chip{
  color:#FFDE9E;background:rgba(242,181,68,.12);
  border-color:rgba(242,181,68,.34);
}

/* ---------- Hero ---------- */
.hero-section{padding:56px 0 var(--section-space);}
.hero-card{
  position:relative;overflow:hidden;
  border-radius:24px;
  border:1px solid var(--line);
  background:linear-gradient(135deg, rgba(12,18,32,.90), rgba(12,18,32,.66)),
             url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow),var(--hi);
  padding:52px;
}
.hero-card::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 95% at 82% 12%, rgba(62,155,255,.20), transparent 56%),
    linear-gradient(180deg, rgba(7,11,20,.34), rgba(7,11,20,.74));
}
.hero-card::after{
  content:'';position:absolute;left:-60px;top:-60px;width:230px;height:230px;
  border-radius:50%;border:1px solid rgba(95,227,255,.16);
  box-shadow:0 0 0 34px rgba(95,227,255,.045);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;}
.hero-copy{max-width:640px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--primary-2);
  padding:5px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(95,227,255,.30);
  background:rgba(95,227,255,.08);
  margin-bottom:20px;
}
.hero-title{margin:0 0 18px;font-size:clamp(28px,4vw,44px);line-height:1.28;}
.hero-title .accent{
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--muted);line-height:1.8;margin:0 0 28px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.hero-visual{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:var(--panel-2);
}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-visual figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;font-size:13px;color:var(--muted);
  background:linear-gradient(180deg, rgba(7,11,20,0), rgba(7,11,20,.88));
}

/* ---------- 合集目录 ---------- */
.toc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.toc-item{
  display:grid;
  grid-template-columns:auto 1px 1fr auto;
  align-items:center;gap:20px;
  padding:20px 22px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow),var(--hi);
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.toc-item:hover{
  transform:translateX(4px);
  border-color:var(--line-strong);
  background:#131E31;
  text-decoration:none;
}
.toc-num{
  font-family:var(--mono);font-size:34px;font-weight:700;line-height:1;
  color:var(--chip);transition:color .22s ease;flex:none;
}
.toc-item:hover .toc-num{color:var(--primary-2);}
.toc-sep{
  width:1px;height:44px;
  background:linear-gradient(180deg,transparent,rgba(126,170,255,.32),transparent);
}
.toc-body h3{font-size:17px;margin:0 0 6px;}
.toc-body p{font-size:14px;color:var(--muted);margin:0;line-height:1.7;}

/* ---------- 精选条目 ---------- */
.featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow),var(--hi);
  transition:transform .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);text-decoration:none;}
.card:hover .card-title{color:var(--primary-2);}
.card-cover{position:relative;display:block;background:var(--panel-2);}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.card-cover .badge{position:absolute;left:14px;top:14px;}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;margin:0;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;}
.card-text{font-size:14px;color:var(--muted);margin:0;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-top:auto;padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);font-family:var(--mono);
}
.card-meta .arrow{color:var(--primary);transition:transform .22s ease;}
.card:hover .card-meta .arrow{transform:translateX(4px);}
.featured-card.is-lead{grid-column:span 2;}
.featured-card.is-lead .card-cover img{aspect-ratio:16/7;}
.featured-card.is-lead .card-title{font-size:22px;-webkit-line-clamp:2;}

/* ---------- 最新信息（CMS） ---------- */
.news-grid{margin-bottom:-30px;}
.news-grid > .cell{margin-bottom:30px;}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow),var(--hi);
  transition:transform .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.news-cover{position:relative;display:block;background:var(--panel-2);}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-cover .badge{position:absolute;left:14px;top:14px;}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:16.5px;margin:0;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{text-decoration:none;color:var(--primary-2);}
.news-text{font-size:14px;color:var(--muted);margin:0;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);font-family:var(--mono);
}
.news-foot .arrow{color:var(--primary);}
.cover-fallback{
  width:100%;aspect-ratio:16/9;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(62,155,255,.32),rgba(95,227,255,.14));
  font-family:var(--mono);font-size:34px;color:rgba(233,240,250,.85);font-weight:700;
}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:rgba(17,26,43,.6);
  padding:48px 24px;text-align:center;color:var(--muted);
}
.empty-state .empty-ring{
  width:64px;height:64px;border-radius:50%;margin:0 auto 16px;
  border:1px dashed rgba(126,170,255,.38);
  box-shadow:0 0 0 12px rgba(126,170,255,.05);
}
.empty-state p{margin:0;font-size:14px;color:var(--muted);}

/* ---------- 分类磁贴 ---------- */
.tile-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.tile{
  display:block;position:relative;
  padding:22px 22px 22px 28px;
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow),var(--hi);
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.tile::before{
  content:'';position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.tile:hover{transform:translateY(-4px);border-color:var(--line-strong);background:#131E31;text-decoration:none;}
.tile h3{font-size:16px;margin:0 0 8px;}
.tile p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.7;}
.tile .tile-count{
  display:inline-block;margin-top:14px;
  font-family:var(--mono);font-size:12px;color:var(--chip);
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;
  padding:34px 38px;
  background:var(--panel-glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow),var(--hi);
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-band::before{
  content:'';position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(95,227,255,.75),transparent);
}
.cta-copy h2{font-size:22px;margin:0 0 8px;}
.cta-copy p{margin:0;color:var(--muted);font-size:14px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq{list-style:none;margin:0;padding:0;background:transparent;border:0;max-width:920px;}
.faq .accordion-item{
  background:var(--panel-glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;
}
.faq .accordion-title{
  position:relative;display:block;
  padding:19px 58px 19px 22px;
  font-size:16px;font-weight:600;color:var(--text);
  background:transparent;border:0;
  transition:color .2s ease,background .2s ease;
}
.faq .accordion-title:hover{color:var(--primary-2);background:rgba(126,170,255,.05);text-decoration:none;}
.faq .accordion-title::before{
  content:'+';position:absolute;right:22px;top:50%;
  transform:translateY(-50%);
  font-family:var(--mono);font-size:22px;line-height:1;color:var(--primary-2);
  width:auto;height:auto;background:none;border:0;
}
.faq .accordion-item.is-active .accordion-title::before{content:'−';}
.faq .accordion-content{
  padding:0 22px 20px;
  color:var(--muted);font-size:15px;line-height:1.85;
  border-top:1px solid transparent;
}
.faq .accordion-content p{margin:0;color:var(--muted);}
.faq .accordion-item.is-active{border-color:var(--line-strong);}
.faq .accordion-item.is-active .accordion-content{border-top-color:var(--line);padding-top:16px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--section-space);
  background:linear-gradient(180deg,var(--bg-2),#060A12);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;margin-bottom:16px;}
.footer-brand:hover{text-decoration:none;color:var(--text);}
.footer-about{color:var(--muted);font-size:14px;line-height:1.85;margin:0 0 14px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-title{font-size:15px;font-weight:700;margin:0 0 16px;color:var(--text);}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--muted);font-size:14px;line-height:1.7;}
.footer-links a:hover{color:var(--primary-2);}
.footer-note{color:var(--muted);font-size:14px;line-height:1.9;margin:0;}
.footer-note strong{color:var(--text);font-weight:600;}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  color:var(--muted);font-size:13px;
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--primary-2);}

/* ---------- 提示条 ---------- */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);
  background:rgba(17,26,43,.96);
  border:1px solid var(--line-strong);
  color:var(--text);font-size:14px;
  padding:12px 20px;border-radius:var(--radius-pill);
  box-shadow:0 14px 34px rgba(0,0,0,.5);
  opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;
  z-index:120;
}
.toast.is-show{opacity:1;transform:translate(-50%,0);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .toc-grid{gap:16px;}
  .tile-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  :root{--section-space:64px;}
  .nav-grid{grid-template-columns:1fr auto 1fr;height:66px;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:inline-flex;grid-column:1;grid-row:1;justify-self:start;}
  .brand{grid-column:2;grid-row:1;justify-self:center;font-size:16px;}
  .hero-card{padding:34px;}
  .featured-grid{grid-template-columns:repeat(2,1fr);}
  .featured-card.is-lead{grid-column:span 2;}
  .featured-card.is-lead .card-cover img{aspect-ratio:16/8;}
  .toc-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .hero-section{padding:30px 0 56px;}
  .hero-card{padding:26px 22px;border-radius:20px;}
  .hero-title{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}
  .featured-grid{grid-template-columns:1fr;}
  .featured-card.is-lead{grid-column:span 1;}
  .featured-card.is-lead .card-cover img{aspect-ratio:16/9;}
  .toc-item{grid-template-columns:auto 1fr;gap:16px;padding:18px;}
  .toc-sep{display:none;}
  .toc-num{font-size:26px;}
  .toc-item .badge{grid-column:1 / -1;}
  .tile-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:576px){
  .container{padding:0 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-badges .badge{font-size:12px;}
  .card-body,.news-body{padding:18px;}
}

/* roulang page: article */
:root{
  --bg:#070B14;
  --bg-2:#0C1220;
  --panel:#111A2B;
  --panel-2:#0E1626;
  --panel-glass:rgba(18,26,42,.66);
  --line:rgba(126,170,255,.14);
  --line-strong:rgba(126,170,255,.3);
  --primary:#3E9BFF;
  --primary-2:#5FE3FF;
  --felt:#1FB98A;
  --chip:#F2B544;
  --text:#E9F0FA;
  --muted:#98A8C0;
  --radius-card:16px;
  --radius-btn:12px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,"SF Mono","JetBrains Mono",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:
    radial-gradient(880px 480px at 14% -6%,rgba(62,155,255,.16),transparent 62%),
    radial-gradient(700px 420px at 94% 4%,rgba(31,185,138,.10),transparent 66%),
    linear-gradient(180deg,#070B14 0%,#070B14 42%,#080D19 100%);
  background-color:var(--bg);
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(126,170,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(126,170,255,.05) 1px,transparent 1px);
  background-size:52px 52px;
  opacity:.5;
}
body > *{position:relative;z-index:1}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-2);text-decoration:underline;text-underline-offset:4px}
button{font-family:inherit}
h1,h2,h3,h4{letter-spacing:0;margin:0;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(62,155,255,.35)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,filter .18s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);filter:brightness(1.08)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--primary-2);outline-offset:2px}
.btn-primary{background:linear-gradient(90deg,var(--primary),var(--primary-2));color:#04121F;box-shadow:0 8px 22px rgba(62,155,255,.28)}
.btn-primary:hover{box-shadow:0 12px 28px rgba(62,155,255,.4),0 0 0 6px rgba(62,155,255,.12);color:#04121F}
.btn-ghost{background:rgba(62,155,255,.07);border-color:rgba(126,170,255,.3);color:var(--text)}
.btn-ghost:hover{background:rgba(62,155,255,.13);border-color:var(--line-strong)}
.btn-sm{min-height:42px;padding:0 16px;font-size:14px;border-radius:10px}

/* ---------------- header / nav ---------------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,11,20,.74);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(7,11,20,.95);border-bottom-color:var(--line);box-shadow:0 10px 26px rgba(0,0,0,.5)}
.nav-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;min-height:74px}
.nav-left,.nav-right{display:flex;align-items:center;gap:4px}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:40px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(126,170,255,.08);text-decoration:none}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(95,227,255,.7);
}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand-mark{
  width:26px;height:26px;border-radius:50%;flex:0 0 auto;
  background:
    radial-gradient(circle at 50% 50%,transparent 0 24%,var(--primary-2) 25% 32%,transparent 33% 52%,var(--primary) 53% 60%,transparent 61%),
    linear-gradient(140deg,var(--primary),var(--primary-2));
  box-shadow:0 0 0 4px rgba(62,155,255,.12);
}
.brand-text{font-size:18px;font-weight:700;color:var(--text)}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  background:rgba(62,155,255,.08);border:1px solid var(--line);
  color:var(--text);font-size:18px;cursor:pointer;
  position:absolute;right:20px;top:14px;
}
.nav-toggle:focus-visible{outline:2px solid var(--primary-2);outline-offset:2px}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.66);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.site-drawer{
  position:fixed;left:0;right:0;top:0;z-index:100;
  background:linear-gradient(180deg,#0C1424,#0A1120);
  border-bottom:1px solid var(--line);
  border-radius:0 0 20px 20px;
  padding:18px 20px 26px;
  transform:translateY(-104%);
  transition:transform .28s ease;
  box-shadow:var(--shadow);
}
.site-drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;background:rgba(126,170,255,.08);
  border:1px solid var(--line);color:var(--text);font-size:18px;cursor:pointer;
}
.drawer-nav{display:grid;gap:6px;margin-bottom:16px}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);font-size:15px;color:var(--text);
}
.drawer-nav a:hover{background:rgba(62,155,255,.1);text-decoration:none}
.drawer-nav a.is-active{border-color:var(--line-strong);color:var(--primary-2)}

/* ---------------- breadcrumb + article head ---------------- */
.page-main{padding-bottom:88px}
.crumb-wrap{padding:28px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary-2)}
.breadcrumb .sep{color:rgba(152,168,192,.5)}
.crumb-current{max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}
.article-head{max-width:760px;margin:0 auto;padding:26px 0 8px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
}
.tag-felt{background:rgba(31,185,138,.14);color:#5FE0B4;border:1px solid rgba(31,185,138,.34)}
.tag-line{background:rgba(126,170,255,.1);color:#B7CBE6;border:1px solid var(--line)}
.meta-time,.meta-read{font-family:var(--font-mono);font-size:13px;color:var(--muted)}
.meta-time{color:var(--chip)}
.article-head h1{font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.3;margin:6px 0 0;color:var(--text)}
.head-rule{height:1px;width:72px;margin:22px 0 0;background:linear-gradient(90deg,var(--primary),transparent)}

/* ---------------- article body ---------------- */
.article-body{max-width:760px;margin:0 auto;padding:26px 0 0;font-size:16px;line-height:1.9;color:#D9E3F2}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.45;
  margin:2em 0 .8em;padding-left:16px;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.article-body h3{font-size:19px;font-weight:600;margin:1.6em 0 .6em;color:var(--text)}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.42em 0}
.article-body li::marker{color:var(--primary-2)}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;border-left:3px solid var(--chip);
  background:rgba(242,181,68,.07);border-radius:0 14px 14px 0;color:#CFDBEC;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:1.5em 0;border-radius:14px;border:1px solid var(--line)}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{color:var(--primary-2);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:#9DEEFF}
.article-body code{
  font-family:var(--font-mono);font-size:.9em;padding:2px 6px;border-radius:6px;
  background:rgba(126,170,255,.12);color:#BFE2FF;
}
.article-body pre{
  margin:1.5em 0;padding:16px 18px;border-radius:14px;overflow:auto;
  background:#0A1120;border:1px solid var(--line);
}
.article-body pre code{background:none;padding:0;color:#CFE4FF}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:rgba(62,155,255,.1);color:var(--text);font-weight:600}
.article-body tr:nth-child(even) td{background:rgba(126,170,255,.03)}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0}

/* ---------------- empty state ---------------- */
.article-empty{
  max-width:760px;margin:26px auto 0;padding:38px 26px;text-align:center;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow);
}
.article-empty .empty-icon{
  width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary-2);
  background:radial-gradient(circle at 50% 50%,rgba(62,155,255,.2),transparent 70%);
  border:1px solid var(--line);
}
.article-empty h2{font-size:22px;font-weight:700;margin-bottom:10px}
.article-empty p{color:var(--muted);margin-bottom:22px}

/* ---------------- cta band ---------------- */
.cta-block{padding:64px 0 0}
.cta-band{
  position:relative;overflow:hidden;max-width:900px;margin:0 auto;
  padding:34px 28px;text-align:center;
  background:var(--panel-glass);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(95,227,255,.75),transparent);
}
.cta-band::after{
  content:"";position:absolute;width:220px;height:220px;right:-70px;top:-90px;border-radius:50%;
  background:radial-gradient(circle,rgba(62,155,255,.18),transparent 68%);
}
.cta-band h2{position:relative;font-size:24px;font-weight:700;margin-bottom:10px}
.cta-band p{position:relative;color:var(--muted);font-size:15px;max-width:560px;margin:0 auto 22px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------------- related ---------------- */
.related{padding:76px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px}
.section-head h2{font-size:26px;font-weight:700}
.section-head .sub{font-size:14px;color:var(--muted);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);transition:transform .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.card-cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,#12233F,#0B1526);
}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.card:hover .card-cover img{transform:scale(1.05)}
.card-badge{position:absolute;left:12px;top:12px;z-index:2}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:4px;font-size:13px;color:var(--muted);font-family:var(--font-mono)}
.card-foot i{color:var(--primary-2);transition:transform .2s ease}
.card:hover .card-foot i{transform:translateX(4px)}

/* ---------------- footer ---------------- */
.site-footer{margin-top:88px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(12,18,32,.6),rgba(7,11,20,.95))}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:32px;padding:56px 0 40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:14px}
.footer-brand:hover{text-decoration:none}
.footer-about{font-size:14px;line-height:1.85;color:var(--muted);max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;color:#B7CBE6;background:rgba(126,170,255,.1);border:1px solid var(--line);
}
.footer-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14px;color:var(--muted);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--primary-2);transform:translateX(4px);text-decoration:none}
.footer-note{font-size:14px;line-height:1.85;color:var(--muted)}
.footer-note strong{color:#CFDBEC;font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);font-family:var(--font-mono);
}

/* ---------------- responsive ---------------- */
@media (max-width:1200px){
  .nav-link{padding:0 10px;font-size:14px}
}
@media (max-width:992px){
  .nav-grid{grid-template-columns:auto 1fr auto;min-height:68px}
  .nav-toggle{display:flex;align-items:center;justify-content:center;position:static;order:3}
  .brand{justify-self:center;order:2}
  .nav-left,.nav-right{display:none}
  .nav-grid::before{content:"";order:0;width:46px;height:46px;display:block}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .page-main{padding-bottom:64px}
  .article-head{padding-top:20px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .crumb-current{max-width:200px}
  .related{padding-top:56px}
  .related-grid{
    display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding-bottom:10px;margin:0 -20px;padding-left:20px;padding-right:20px;
  }
  .related-grid .card{flex:0 0 80%;scroll-snap-align:start}
  .cta-block{padding-top:52px}
  .cta-band{padding:28px 20px;border-radius:16px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .cta-actions .btn{width:100%}
}
@media (max-width:576px){
  .container{padding:0 16px}
  .related-grid{margin:0 -16px;padding-left:16px;padding-right:16px}
  .related-grid .card{flex:0 0 86%}
  .article-body table{font-size:14px}
}

/* roulang page: category1 */
:root{
  --bg:#070B14;
  --bg-2:#0C1220;
  --panel:#111A2B;
  --panel-glass:rgba(18,26,42,.66);
  --line:rgba(126,170,255,.14);
  --primary:#3E9BFF;
  --primary-2:#5FE3FF;
  --felt:#1FB98A;
  --chip:#F2B544;
  --text:#E9F0FA;
  --muted:#98A8C0;
  --radius-card:16px;
  --radius-btn:12px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --mono:ui-monospace,"SF Mono",Consolas,"Liberation Mono",Menlo,monospace;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --section-gap:88px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  padding:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(126,170,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(126,170,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
}

main,header,footer{position:relative;z-index:1}

img{max-width:100%;display:block;border:0}

a{color:inherit;text-decoration:none;background-color:transparent}

a:hover{color:var(--primary-2)}

ul,ol{margin:0;padding:0;list-style:none}

h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;line-height:1.35}

p{margin:0}

button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}

:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.no-scroll{overflow:hidden}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){
  .container{max-width:1280px}
}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  color:#04121F;
  box-shadow:0 0 0 1px rgba(95,227,255,.30),0 8px 24px rgba(62,155,255,.26);
}
.btn-primary:hover{
  color:#04121F;
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 0 0 6px rgba(62,155,255,.12),0 12px 28px rgba(62,155,255,.34);
}
.btn-ghost{
  background:rgba(62,155,255,.06);
  border-color:rgba(126,170,255,.34);
  color:var(--text);
}
.btn-ghost:hover{
  background:rgba(62,155,255,.15);
  border-color:var(--primary);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 0 0 6px rgba(62,155,255,.10);
}
.btn:active{transform:translateY(-1px)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  line-height:1.6;
  background:rgba(31,185,138,.14);
  border:1px solid rgba(31,185,138,.42);
  color:#7DEFC0;
  white-space:nowrap;
}
.badge-cyan{
  background:rgba(62,155,255,.12);
  border-color:rgba(62,155,255,.38);
  color:#9FD0FF;
}
.badge-chip{
  background:rgba(242,181,68,.12);
  border-color:rgba(242,181,68,.38);
  color:#F5CE84;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(7,11,20,.80);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.94);
  border-bottom-color:rgba(126,170,255,.24);
  box-shadow:0 8px 26px rgba(0,0,0,.5);
}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:72px;
}
.nav-left{display:flex;align-items:center;gap:22px;justify-content:flex-start}
.nav-right{display:flex;align-items:center;gap:22px;justify-content:flex-end}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-size:15px;
  color:var(--muted);
  transition:color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:6px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  box-shadow:0 0 10px rgba(62,155,255,.55);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
}
.brand:hover{color:var(--text)}
.brand-mark{
  position:relative;
  width:26px;
  height:26px;
  flex:0 0 26px;
  border-radius:50%;
  background:radial-gradient(circle at 32% 30%,var(--primary-2),var(--primary) 58%,#143E68);
  box-shadow:0 0 16px rgba(62,155,255,.55);
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:50%;
  border:1.5px dashed rgba(255,255,255,.55);
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary-2)}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:58;
  background:rgba(4,7,13,.66);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.site-drawer{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:60;
  background:var(--bg-2);
  border-bottom:1px solid var(--line);
  box-shadow:0 20px 40px rgba(0,0,0,.6);
  padding:18px 24px 26px;
  transform:translateY(-104%);
  transition:transform .3s cubic-bezier(.22,.61,.36,1);
  max-height:100vh;
  overflow-y:auto;
}
.site-drawer.is-open{transform:translateY(0)}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:14px;
  margin-bottom:8px;
  border-bottom:1px solid var(--line);
}
.drawer-head .brand-text{font-size:17px;font-weight:700}
.drawer-close{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text);
  transition:border-color .2s ease,color .2s ease;
}
.drawer-close:hover{border-color:var(--primary);color:var(--primary-2)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  font-size:16px;
  color:var(--muted);
  border-bottom:1px solid rgba(126,170,255,.08);
  transition:color .2s ease,padding-left .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:#fff;padding-left:6px}
.drawer-cta{margin-top:18px;width:100%}

/* ============ 区块 ============ */
.section{
  padding-top:var(--section-gap);
  padding-bottom:var(--section-gap);
}
.section-tight{padding-top:0}
.section-alt{background:linear-gradient(180deg,rgba(12,18,32,0),rgba(12,18,32,.72) 22%,rgba(12,18,32,.72) 78%,rgba(12,18,32,0))}
.section-head{
  max-width:760px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,28px);
  margin-bottom:12px;
}
.section-head p{
  color:var(--muted);
  font-size:15px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--chip);
  font-family:var(--mono);
  letter-spacing:.06em;
  margin-bottom:12px;
}

/* ============ 页头带 ============ */
.page-hero{
  position:relative;
  padding:52px 0 48px;
  background-image:
    linear-gradient(180deg,rgba(7,11,20,.72),rgba(7,11,20,.94)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-140px;
  top:-150px;
  width:440px;
  height:440px;
  border-radius:50%;
  border:1px solid rgba(95,227,255,.12);
  box-shadow:0 0 0 44px rgba(95,227,255,.04),0 0 0 96px rgba(95,227,255,.022);
  pointer-events:none;
}
.hero-glass{
  position:relative;
  background:var(--panel-glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(126,170,255,.20);
  border-radius:20px;
  padding:34px 36px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero-glass::before{
  content:"";
  position:absolute;
  left:-60px;
  top:-70px;
  width:200px;
  height:200px;
  border-radius:50%;
  border:1px solid rgba(95,227,255,.14);
  box-shadow:0 0 0 26px rgba(95,227,255,.035);
  pointer-events:none;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:16px;
  flex-wrap:wrap;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary-2)}
.crumb span.sep{color:rgba(152,168,192,.55)}
.crumb .current{color:var(--text)}
.page-hero h1{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.28;
  margin-bottom:16px;
  max-width:900px;
}
.page-hero .lead{
  font-size:16px;
  line-height:1.9;
  color:var(--muted);
  max-width:820px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}

/* ============ 条目卡片 ============ */
.entry-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.entry-card:hover{
  transform:translateY(-4px);
  border-color:rgba(62,155,255,.42);
  box-shadow:0 16px 36px rgba(0,0,0,.52);
}
.entry-media{
  position:relative;
  aspect-ratio:16 / 9;
  background:linear-gradient(135deg,#132038,#0A1120);
  overflow:hidden;
}
.entry-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.92) brightness(.9);
  transition:transform .35s ease,filter .35s ease;
}
.entry-card:hover .entry-media img{
  transform:scale(1.04);
  filter:saturate(1) brightness(1);
}
.cat-badge{
  position:absolute;
  top:12px;
  left:12px;
  font-size:12px;
  padding:3px 11px;
  border-radius:999px;
  background:rgba(31,185,138,.18);
  border:1px solid rgba(31,185,138,.48);
  color:#7DEFC0;
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.entry-body{
  display:flex;
  flex-direction:column;
  flex:1;
  gap:10px;
  padding:22px;
}
.entry-title{
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-title a{color:var(--text)}
.entry-title a:hover{color:var(--primary-2)}
.entry-desc{
  font-size:14px;
  line-height:1.85;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid rgba(126,170,255,.10);
  font-size:13px;
  color:var(--muted);
}
.entry-time{
  font-family:var(--mono);
  color:var(--chip);
  font-size:13px;
}
.entry-arrow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--muted);
  transition:transform .22s ease,color .22s ease,border-color .22s ease,background-color .22s ease;
}
.entry-card:hover .entry-arrow{
  transform:translateX(4px);
  color:#04121F;
  border-color:transparent;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
}

/* ============ 内容导航（四组） ============ */
.step{
  height:100%;
  padding:24px 22px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:transform .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(62,155,255,.42)}
.step-num{
  display:block;
  font-family:var(--mono);
  font-size:32px;
  line-height:1;
  color:var(--primary);
  margin-bottom:14px;
}
.step h3{
  font-size:18px;
  margin-bottom:10px;
}
.step p{
  font-size:14px;
  line-height:1.85;
  color:var(--muted);
}

/* ============ FAQ ============ */
.accordion{
  border:0;
  background:transparent;
  margin:0;
}
.accordion-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--panel-glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .22s ease,background-color .22s ease;
}
.accordion-item:hover{border-color:rgba(62,155,255,.34)}
.accordion-item.is-active{border-color:rgba(62,155,255,.46)}
.accordion-title{
  display:block;
  position:relative;
  padding:18px 56px 18px 20px !important;
  font-size:16px;
  font-weight:600;
  color:var(--text) !important;
  background:transparent !important;
  border:0 !important;
  line-height:1.7;
  transition:color .2s ease,background-color .2s ease;
}
.accordion-title:hover{background:rgba(62,155,255,.06) !important;color:#fff !important}
.accordion-title::before{
  content:"+" !important;
  position:absolute !important;
  right:20px !important;
  top:50% !important;
  transform:translateY(-50%) !important;
  left:auto !important;
  width:26px !important;
  height:26px !important;
  display:flex !important;
  align-items:center !important;
  justify-content:center !important;
  border-radius:50% !important;
  border:1px solid var(--line) !important;
  color:var(--primary-2) !important;
  font-size:16px !important;
  font-family:var(--mono) !important;
  background:transparent !important;
  transition:transform .2s ease,background-color .2s ease !important;
}
.accordion-item.is-active .accordion-title::before{
  content:"−" !important;
  transform:translateY(-50%) rotate(180deg) !important;
  background:linear-gradient(90deg,var(--primary),var(--primary-2)) !important;
  color:#04121F !important;
  border-color:transparent !important;
}
.accordion-content{
  padding:0 20px 20px !important;
  border:0 !important;
  background:transparent !important;
  color:var(--muted) !important;
  font-size:15px;
  line-height:1.9;
}
.accordion-content p + p{margin-top:10px}

/* ============ 胶囊导航 ============ */
.pill-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text);
  font-size:15px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.pill:hover{
  transform:translateY(-2px);
  border-color:var(--primary);
  color:#fff;
  box-shadow:0 0 0 6px rgba(62,155,255,.10);
}
.pill i{font-size:12px;color:var(--primary-2)}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  padding:32px 34px;
  background:var(--panel-glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(126,170,255,.20);
  border-radius:20px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(95,227,255,.75),transparent);
}
.cta-copy h2{
  font-size:clamp(20px,2.2vw,26px);
  margin-bottom:8px;
}
.cta-copy p{
  font-size:14px;
  color:var(--muted);
  max-width:560px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
}
.footer-about{
  font-size:14px;
  line-height:1.9;
  color:var(--muted);
  margin-bottom:16px;
}
.footer-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.footer-title{
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  color:var(--text);
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;
  color:var(--muted);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--primary-2);padding-left:4px}
.footer-note{
  font-size:14px;
  line-height:1.9;
  color:var(--muted);
}
.footer-note strong{color:var(--text);font-weight:600}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(126,170,255,.12);
  font-size:13px;
  color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--section-gap:72px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}

@media (max-width:991px){
  :root{--section-gap:64px}
  .nav-grid{grid-template-columns:44px 1fr 44px;min-height:64px;gap:8px}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:inline-flex}
  .brand{grid-column:2;justify-content:center;font-size:17px}
  .nav-toggle{grid-column:1;grid-row:1;justify-self:start}
  .hero-glass{padding:28px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:767px){
  :root{--section-gap:56px}
  .container{padding-left:18px;padding-right:18px}
  body{font-size:16px}
  .page-hero{padding:36px 0 34px}
  .hero-glass{padding:24px 20px;border-radius:18px}
  .section-head{margin-bottom:28px}
  .entry-body{padding:18px}
  .cta-band{padding:26px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .drawer-nav a{min-height:44px}
}

@media (max-width:575px){
  .brand{font-size:16px}
  .brand-mark{width:24px;height:24px;flex-basis:24px}
  .page-hero h1{font-size:26px}
  .hero-badges .badge{font-size:12px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .pill{width:100%;justify-content:center}
  .cta-actions{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --bg:#070B14;
  --bg-2:#0C1220;
  --panel:#111A2B;
  --panel-glass:rgba(18,26,42,.66);
  --line:rgba(126,170,255,.14);
  --primary:#3E9BFF;
  --primary-2:#5FE3FF;
  --felt:#1FB98A;
  --chip:#F2B544;
  --text:#E9F0FA;
  --muted:#98A8C0;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --container:1200px;
  --gap:24px;
  --space-section:88px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-mono:ui-monospace,"SF Mono",Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100%;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(126,170,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(126,170,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 12% 6%,rgba(62,155,255,.14),transparent 62%),
    radial-gradient(560px 380px at 88% 14%,rgba(95,227,255,.10),transparent 66%),
    radial-gradient(720px 460px at 50% 108%,rgba(31,185,138,.08),transparent 70%);
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--primary);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 22px;
}
@media (min-width:1440px){
  :root{--container:1280px;}
}
.site-main{position:relative;z-index:1;}
.site-footer{position:relative;z-index:1;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{
  background:rgba(7,11,20,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 26px rgba(0,0,0,.45);
}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  min-height:74px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:24px;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:14px;
  color:var(--muted);
  padding:8px 0;
  transition:color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);text-decoration:none;}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-6px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(62,155,255,.65);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-content:center;
  padding:6px 4px;
}
.brand:hover{color:var(--text);}
.brand-mark{
  position:relative;
  width:26px;height:26px;
  border-radius:50%;
  background:
    radial-gradient(circle at 50% 50%,rgba(95,227,255,.95) 0 20%,transparent 22%),
    conic-gradient(from 200deg,rgba(62,155,255,.95),rgba(95,227,255,.4),rgba(62,155,255,.95));
  box-shadow:0 0 18px rgba(62,155,255,.5),inset 0 0 0 1px rgba(233,240,250,.22);
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:6px;
  border-radius:50%;
  border:1px solid rgba(233,240,250,.35);
}
.brand-text{font-size:17px;font-weight:700;color:var(--text);white-space:nowrap;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  background:rgba(62,155,255,.08);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text);
  font-size:17px;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.nav-toggle:hover{background:rgba(62,155,255,.16);}

/* ---------- 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);
  border:1px solid transparent;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  text-align:center;
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--primary-2));
  color:#04121F;
  box-shadow:0 8px 22px rgba(62,155,255,.32);
}
.btn-primary:hover{
  color:#04121F;
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(62,155,255,.42),0 0 0 6px rgba(62,155,255,.12);
}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{
  background:rgba(62,155,255,.06);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{
  color:var(--text);
  background:rgba(62,155,255,.14);
  border-color:rgba(95,227,255,.4);
  transform:translateY(-2px);
}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px;}
.btn-block{width:100%;}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  font-size:12px;
  line-height:1.8;
  border:1px solid var(--line);
  background:rgba(62,155,255,.08);
  color:var(--muted);
  white-space:nowrap;
}
.badge-felt{
  background:rgba(31,185,138,.12);
  border-color:rgba(31,185,138,.35);
  color:#7FE7C4;
}
.badge-chip{
  background:rgba(242,181,68,.12);
  border-color:rgba(242,181,68,.34);
  color:#F6CD7E;
}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;
  margin-top:34px;
  border-radius:22px;
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(18,26,42,.86),rgba(12,18,32,.94));
  overflow:hidden;
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.4;
  filter:saturate(1.05);
}
.page-hero-vignette{
  position:absolute;
  inset:0;
  background:
    radial-gradient(120% 130% at 8% 10%,rgba(7,11,20,.55),transparent 60%),
    radial-gradient(90% 110% at 100% 100%,rgba(7,11,20,.92),transparent 62%);
}
.page-hero-ring{
  position:absolute;
  right:-70px;
  top:-70px;
  width:260px;height:260px;
  border-radius:50%;
  border:1px solid rgba(95,227,255,.18);
  box-shadow:inset 0 0 0 22px rgba(62,155,255,.05),inset 0 0 0 44px rgba(95,227,255,.03);
  pointer-events:none;
}
.page-hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.55fr .95fr;
  gap:34px;
  align-items:center;
  padding:40px 40px 42px;
}
.page-hero-copy .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--primary-2);
  margin-bottom:14px;
}
.page-hero-copy .eyebrow i{font-size:12px;}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:700;
  margin-bottom:14px;
}
.page-hero h1 .hl{
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-hero .lede{
  font-size:16px;
  color:var(--muted);
  line-height:1.95;
  max-width:60ch;
}
.page-hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.page-hero-figure{
  margin:0;
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 12px 30px rgba(0,0,0,.5);
  background:var(--panel);
}
.page-hero-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.page-hero-figure figcaption{
  padding:10px 14px;
  font-size:13px;
  color:var(--muted);
  background:rgba(7,11,20,.6);
  border-top:1px solid var(--line);
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0 0;}
.section-head{margin-bottom:34px;max-width:760px;}
.section-head .kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--chip);
  font-family:var(--font-mono);
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,28px);
  margin-bottom:12px;
}
.section-head p{color:var(--muted);font-size:15px;}

/* ---------- 速览数据条 ---------- */
.stats-row{margin-bottom:0;}
.stats-row .cell{margin-bottom:18px;}
.stat-card{
  height:100%;
  padding:22px;
  border-radius:var(--radius-card);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:border-color .25s ease,transform .25s ease;
}
.stat-card:hover{border-color:rgba(95,227,255,.35);transform:translateY(-2px);}
.stat-label{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:10px;
}
.stat-value{
  font-family:var(--font-mono);
  font-size:26px;
  font-weight:700;
  color:var(--text);
  line-height:1.4;
}
.stat-note{font-size:13px;color:var(--muted);margin-top:6px;}

/* ---------- 行式目录列表 ---------- */
.entry-list{
  border-top:1px solid var(--line);
  border-radius:0;
}
.entry-row{
  display:grid;
  grid-template-columns:88px 1px minmax(0,1fr) 128px;
  gap:22px;
  align-items:center;
  padding:24px 24px;
  background:var(--panel);
  border-bottom:1px solid var(--line);
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.entry-row:hover{
  transform:translateX(4px);
  background:#131E32;
  text-decoration:none;
  color:var(--text);
}
.entry-num{
  font-family:var(--font-mono);
  font-size:32px;
  line-height:1;
  color:var(--chip);
  transition:color .22s ease;
}
.entry-row:hover .entry-num{color:var(--primary-2);}
.entry-divider{
  width:1px;
  align-self:stretch;
  background:var(--line);
}
.entry-body{display:block;min-width:0;}
.entry-title{
  display:block;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  margin-bottom:6px;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.entry-desc{
  display:block;
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.entry-time{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--muted);
  text-align:right;
  white-space:nowrap;
}
.entry-foot{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:8px;
  font-size:12px;
  color:var(--muted);
}
.entry-foot .dot{width:5px;height:5px;border-radius:50%;background:var(--chip);opacity:.8;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--panel-glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item.is-open{border-color:rgba(95,227,255,.36);background:rgba(18,26,42,.82);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:none;
  border:0;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  line-height:1.7;
  text-align:left;
  cursor:pointer;
}
.faq-q:hover{color:var(--primary-2);}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(62,155,255,.1);
  transition:transform .2s ease,background .2s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  background:var(--primary-2);
  border-radius:2px;
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:opacity .2s ease;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(95,227,255,.2);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  display:none;
  padding:0 22px 20px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}
.faq-item.is-open .faq-a{display:block;animation:faqFade .2s ease-out;}
@keyframes faqFade{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- 分类交叉导航 ---------- */
.cross-nav{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  padding:22px;
  border-radius:var(--radius-card);
  background:var(--panel);
  border:1px solid var(--line);
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(62,155,255,.06);
  color:var(--text);
  font-size:14px;
  transition:background .22s ease,border-color .22s ease,transform .22s ease,color .22s ease;
}
.pill:hover{
  background:rgba(62,155,255,.16);
  border-color:rgba(95,227,255,.42);
  color:var(--text);
  transform:translateY(-2px);
  text-decoration:none;
}
.pill i{font-size:12px;color:var(--primary-2);}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  margin-top:var(--space-section);
  padding:34px 36px;
  border-radius:20px;
  border:1px solid var(--line);
  background:
    linear-gradient(120deg,rgba(18,26,42,.82),rgba(12,18,32,.9));
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(95,227,255,.75),transparent);
}
.cta-grid{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;}
.cta-copy h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:8px;}
.cta-copy p{color:var(--muted);font-size:15px;max-width:58ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-hint{
  margin-top:16px;
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.cta-hint i{color:var(--felt);}
.cta-hint .tip{color:var(--chip);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--space-section);
  background:var(--bg-2);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr 1fr 1.25fr;
  gap:34px;
  padding:56px 0 40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
}
.footer-about{font-size:14px;color:var(--muted);line-height:1.9;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-title{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin-bottom:16px;
}
.footer-links{display:grid;gap:12px;}
.footer-links a{
  font-size:14px;
  color:var(--muted);
  transition:color .2s ease,transform .2s ease;
  display:inline-block;
}
.footer-links a:hover{color:var(--primary-2);transform:translateX(4px);text-decoration:none;}
.footer-note{font-size:14px;color:var(--muted);line-height:1.9;}
.footer-note strong{color:#F6CD7E;font-weight:600;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0 30px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}

/* ---------- 抽屉导航 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:70;
  background:rgba(4,7,14,.66);
  backdrop-filter:blur(2px);
  opacity:0;
  transition:opacity .25s ease;
}
.drawer-mask.is-visible{opacity:1;}
.site-drawer{
  position:fixed;
  left:0;right:0;top:0;
  z-index:80;
  padding:18px 22px 26px;
  background:linear-gradient(160deg,#0E1729,#080D18);
  border-bottom:1px solid var(--line);
  box-shadow:0 22px 46px rgba(0,0,0,.6);
  transform:translateY(-102%);
  transition:transform .28s ease;
  visibility:hidden;
}
.site-drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  margin-bottom:14px;
}
.drawer-head .brand-text{font-size:16px;}
.drawer-close{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(62,155,255,.08);
  color:var(--text);
  font-size:16px;
  cursor:pointer;
}
.drawer-links{display:grid;gap:4px;margin-bottom:18px;}
.drawer-links a{
  display:flex;
  align-items:center;
  min-height:46px;
  padding:0 12px;
  border-radius:12px;
  font-size:15px;
  color:var(--muted);
  transition:background .2s ease,color .2s ease;
}
.drawer-links a:hover{background:rgba(62,155,255,.1);color:var(--text);text-decoration:none;}
.drawer-links a.is-active{
  background:rgba(62,155,255,.14);
  color:var(--text);
  font-weight:600;
  box-shadow:inset 2px 0 0 var(--primary);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .entry-row{grid-template-columns:76px 1px minmax(0,1fr) 116px;gap:18px;padding:22px 18px;}
  .entry-num{font-size:28px;}
}
@media (max-width:992px){
  :root{--space-section:64px;}
  .nav-left,.nav-right{display:none;}
  .nav-grid{grid-template-columns:44px 1fr 44px;min-height:66px;}
  .nav-toggle{display:inline-flex;}
  .page-hero-inner{grid-template-columns:1fr;padding:32px 26px 34px;gap:26px;}
  .page-hero-figure{order:2;}
  .page-hero-ring{width:200px;height:200px;right:-60px;top:-60px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px;}
}
@media (max-width:768px){
  :root{--space-section:56px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .page-hero{margin-top:22px;border-radius:18px;}
  .entry-row{
    grid-template-columns:1fr;
    gap:10px;
    padding:20px 18px;
  }
  .entry-divider{display:none;}
  .entry-num{font-size:24px;}
  .entry-time{text-align:left;}
  .entry-row:hover{transform:translateX(2px);}
  .cta-band{padding:26px 20px;border-radius:16px;}
  .cta-grid{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;}
  .cross-nav{padding:16px;}
  .pill{flex:1 1 auto;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:576px){
  .page-hero-inner{padding:26px 18px 28px;}
  .stat-value{font-size:22px;}
  .stat-card{padding:18px;}
  .section-head h2{font-size:21px;}
}

/* roulang page: category3 */
:root{
  --bg:#070B14;
  --bg-2:#0C1220;
  --panel:#111A2B;
  --panel-glass:rgba(18,26,42,.66);
  --line:rgba(126,170,255,.14);
  --primary:#3E9BFF;
  --primary-2:#5FE3FF;
  --felt:#1FB98A;
  --chip:#F2B544;
  --text:#E9F0FA;
  --muted:#98A8C0;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --container:1200px;
  --gutter:24px;
  --sec-desktop:88px;
  --sec-tablet:64px;
  --sec-mobile:56px;
  --mono:ui-monospace,"SF Mono",Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    repeating-linear-gradient(0deg,rgba(126,170,255,.045) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(90deg,rgba(126,170,255,.045) 0 1px,transparent 1px 48px);
  opacity:.55;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-2)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;background:none;border:0;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{
  position:relative;
  z-index:1;
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){:root{--container:1280px}}

/* ============ 通用按钮 ============ */
.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:600;
  white-space:nowrap;
  border:1px solid transparent;
  transition:transform .18s ease,filter .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease;
}
.btn-primary{
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  color:#04121F;
  box-shadow:0 8px 24px rgba(62,155,255,.32),inset 0 1px 0 rgba(255,255,255,.28);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 10px 30px rgba(62,155,255,.42),0 0 0 6px rgba(62,155,255,.12);color:#04121F}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  border-color:var(--line);
  background:rgba(62,155,255,.06);
  color:var(--text);
}
.btn-ghost:hover{border-color:rgba(95,227,255,.5);background:rgba(62,155,255,.12);transform:translateY(-2px);color:var(--text)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  font-size:12px;
  line-height:1.7;
  color:var(--text);
  border:1px solid var(--line);
  background:rgba(126,170,255,.07);
  white-space:nowrap;
}
.badge.felt{color:#B8F5DE;border-color:rgba(31,185,138,.4);background:rgba(31,185,138,.14)}
.badge.chip{color:#FFE2A8;border-color:rgba(242,181,68,.35);background:rgba(242,181,68,.12)}
.badge.primary{color:#CFE7FF;border-color:rgba(62,155,255,.4);background:rgba(62,155,255,.14)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background-color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  min-height:74px;
  gap:16px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:15px;
  color:var(--muted);
  border-radius:10px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:6px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:6px 12px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(17,26,43,.7);
}
.brand-text{font-size:17px;font-weight:700;color:var(--text)}
.brand-mark{
  position:relative;
  width:26px;height:26px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(95,227,255,.95) 0 26%,rgba(62,155,255,.55) 27% 52%,rgba(31,185,138,.25) 53% 74%,transparent 75%);
  border:1px solid rgba(95,227,255,.45);
  box-shadow:0 0 14px rgba(62,155,255,.45);
  flex:none;
}
.brand-mark::after{
  content:"";
  position:absolute;inset:5px;
  border-radius:50%;
  border:1px dashed rgba(233,240,250,.35);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(17,26,43,.8);
  color:var(--text);
  align-items:center;
  justify-content:center;
}
.drawer{
  display:none;
  position:fixed;
  top:74px;left:0;right:0;
  z-index:55;
  background:rgba(9,14,25,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 20px 40px rgba(0,0,0,.55);
  padding:14px 24px 22px;
  transform:translateY(-12px);
  opacity:0;
  pointer-events:none;
  transition:transform .22s ease,opacity .22s ease;
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--text);
  border:1px solid transparent;
}
.drawer a:hover{background:rgba(62,155,255,.1);border-color:var(--line);color:var(--text)}
.drawer a.is-active{background:rgba(62,155,255,.14);border-color:rgba(62,155,255,.35)}
.drawer .drawer-cta{margin-top:10px;width:100%}

/* ============ 页头带 ============ */
.page-hero{
  position:relative;
  padding:70px 0 56px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.4;
  filter:saturate(.85);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(120% 80% at 12% 20%,rgba(62,155,255,.22),transparent 60%),
    radial-gradient(90% 70% at 88% 90%,rgba(31,185,138,.16),transparent 62%),
    linear-gradient(180deg,rgba(7,11,20,.72),rgba(7,11,20,.94));
}
.page-hero .container{position:relative;z-index:2}
.hero-band{
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--panel-glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  padding:36px 34px;
  position:relative;
  overflow:hidden;
}
.hero-band::before{
  content:"";
  position:absolute;
  top:-90px;left:-70px;
  width:240px;height:240px;
  border-radius:50%;
  border:1px solid rgba(95,227,255,.16);
  box-shadow:0 0 0 24px rgba(95,227,255,.05),0 0 0 52px rgba(95,227,255,.03);
  pointer-events:none;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--primary-2);
  border:1px solid rgba(95,227,255,.32);
  background:rgba(95,227,255,.1);
  border-radius:var(--radius-pill);
  padding:4px 12px;
  margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:700;
  margin-bottom:16px;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  max-width:760px;
  color:var(--muted);
  font-size:16px;
  margin-bottom:22px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}

/* ============ 板块通用 ============ */
.section{padding:var(--sec-desktop) 0}
.section-sm{padding:calc(var(--sec-desktop) * .7) 0}
.section-head{margin-bottom:38px;max-width:760px}
.section-head .kicker{
  display:inline-block;
  font-family:var(--mono);
  font-size:12px;
  color:var(--chip);
  letter-spacing:1px;
  margin-bottom:12px;
}
.section-head h2{font-size:26px;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15px}

/* ============ 图文交错条目 ============ */
.zig-item{
  padding:28px 0;
  border-top:1px solid var(--line);
}
.zig-item:first-child{border-top:0;padding-top:0}
.zig-row{align-items:center}
.zig-media{position:relative}
.zig-media img{
  width:100%;
  height:auto;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.zig-media .zig-tag{
  position:absolute;
  top:14px;left:14px;
  z-index:2;
}
.zig-body h2{
  font-size:24px;
  margin-bottom:14px;
}
.zig-body .zig-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-family:var(--mono);
  font-size:13px;
  color:var(--chip);
  margin-bottom:16px;
}
.zig-body .zig-meta .dot{
  width:5px;height:5px;border-radius:50%;
  background:rgba(242,181,68,.5);
}
.zig-body p{color:var(--muted);font-size:15.5px}
.zig-points{margin-top:16px;display:grid;gap:8px}
.zig-points li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--text);
}
.zig-points li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:8px;
  border-radius:2px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
@media (min-width:640px){
  .zig-item.is-reverse .zig-media{order:2}
  .zig-item.is-reverse .zig-body{order:1}
}

/* ============ 交叉导航 ============ */
.cross-nav{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cross-grid{align-items:center}
.cross-title{font-size:20px;margin-bottom:10px}
.cross-desc{color:var(--muted);font-size:14.5px}
.cross-pills{display:flex;flex-wrap:wrap;gap:12px}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 18px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text);
  font-size:15px;
  transition:transform .18s ease,border-color .18s ease,background-color .18s ease,color .18s ease;
}
.pill i{color:var(--primary-2);font-size:13px}
.pill:hover{
  transform:translateX(4px);
  border-color:rgba(95,227,255,.45);
  background:rgba(62,155,255,.12);
  color:var(--text);
}

/* ============ FAQ ============ */
.faq-panel{
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--panel-glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  padding:10px 22px;
}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:0}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--primary-2)}
.faq-icon{
  position:relative;
  flex:none;
  width:22px;height:22px;
  border-radius:50%;
  border:1px solid rgba(62,155,255,.45);
  background:rgba(62,155,255,.12);
  transition:transform .2s ease-out,background-color .2s ease-out;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--primary-2);
  transform:translate(-50%,-50%);
  border-radius:2px;
}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px;transition:opacity .2s ease-out}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(95,227,255,.2)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s ease-out;
}
.faq-a-inner{padding:0 0 22px;color:var(--muted);font-size:15px}

/* ============ CTA 带 ============ */
.cta-band{position:relative;padding-bottom:var(--sec-desktop)}
.cta-box{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--panel-glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  padding:34px;
}
.cta-box::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(95,227,255,.7),transparent);
}
.cta-box::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:220px;height:220px;
  border-radius:50%;
  border:1px solid rgba(31,185,138,.18);
  box-shadow:0 0 0 22px rgba(31,185,138,.05),0 0 0 46px rgba(31,185,138,.03);
  pointer-events:none;
}
.cta-grid{align-items:center}
.cta-box h2{font-size:24px;margin-bottom:10px}
.cta-box p{color:var(--muted);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.cta-note{margin-top:14px;font-size:13px;color:var(--muted);font-family:var(--mono)}
.share-state{color:var(--chip)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  line-height:24px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  margin-bottom:14px;
}
.footer-about{color:var(--muted);font-size:14.5px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-title{font-size:15px;margin-bottom:14px;color:var(--text)}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--muted);font-size:14.5px}
.footer-links a:hover{color:var(--primary-2);text-decoration:underline;text-underline-offset:4px}
.footer-note{color:var(--muted);font-size:14px}
.footer-note strong{color:var(--text);font-weight:600}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .section{padding:var(--sec-tablet) 0}
  .section-sm{padding:44px 0}
  .cta-band{padding-bottom:var(--sec-tablet)}
}
@media (max-width:1023px){
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:inline-flex}
  .nav-grid{grid-template-columns:44px 1fr 44px;justify-items:center}
  .nav-grid .brand{justify-self:center}
  .nav-grid .nav-toggle{justify-self:start}
  .nav-grid .nav-toggle + *{justify-self:end}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  :root{--gutter:18px}
  .container{padding:0 18px}
  .section{padding:var(--sec-mobile) 0}
  .page-hero{padding:48px 0 40px}
  .hero-band{padding:24px 20px}
  .zig-body h2{font-size:20px}
  .zig-item{padding:24px 0}
  .faq-panel{padding:8px 16px}
  .faq-q{font-size:15.5px;padding:18px 0}
  .cta-box{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .brand-text{font-size:15px}
  .hero-badges{gap:8px}
  .badge{padding:3px 10px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category4 */
:root{
  --bg:#070B14;
  --bg-2:#0C1220;
  --panel:#111A2B;
  --panel-glass:rgba(18,26,42,.66);
  --line:rgba(126,170,255,.14);
  --primary:#3E9BFF;
  --primary-2:#5FE3FF;
  --felt:#1FB98A;
  --chip:#F2B544;
  --text:#E9F0FA;
  --muted:#98A8C0;
  --radius-card:16px;
  --radius-btn:12px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --shadow-soft:0 10px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.04);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(126,170,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(126,170,255,.04) 1px,transparent 1px);
  background-size:52px 52px;
  opacity:.7;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--primary)}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.4;letter-spacing:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:2;
}
@media (min-width:1440px){
  .container{max-width:1280px}
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease,background .2s ease,border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04101F;
  box-shadow:0 10px 30px rgba(62,155,255,.28), inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-primary:hover{
  color:#04101F;
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 0 0 6px rgba(62,155,255,.12), 0 14px 34px rgba(62,155,255,.35);
}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(62,155,255,.06);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{
  color:var(--text);
  border-color:rgba(95,227,255,.45);
  background:rgba(62,155,255,.12);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  line-height:1.6;
  white-space:nowrap;
  background:rgba(31,185,138,.12);
  border:1px solid rgba(31,185,138,.3);
  color:#5EE0B4;
}
.badge-chip{
  background:rgba(242,181,68,.12);
  border-color:rgba(242,181,68,.32);
  color:#F5C86A;
}
.badge-line{
  background:rgba(62,155,255,.1);
  border-color:rgba(62,155,255,.3);
  color:#8CC4FF;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,11,20,.74);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.95);
  border-bottom-color:var(--line);
}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  min-height:74px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:22px}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--muted);
  padding:8px 2px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(95,227,255,.6);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  white-space:nowrap;
}
.brand:hover{color:var(--text)}
.brand-mark{
  position:relative;
  width:28px;height:28px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 0 18px rgba(62,155,255,.45), inset 0 0 0 1px rgba(255,255,255,.25);
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:50%;
  border:1.5px solid rgba(7,11,20,.55);
}
.brand-text{background:linear-gradient(90deg,#FFFFFF,#BEDCFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  background:rgba(62,155,255,.08);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text);
  font-size:18px;
  cursor:pointer;
}
.nav-toggle:hover{background:rgba(62,155,255,.16)}

.site-drawer{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  transform:translateY(-102%);
  transition:transform .3s cubic-bezier(.22,.7,.3,1);
  background:var(--bg-2);
  border-bottom:1px solid var(--line);
  box-shadow:0 24px 60px rgba(0,0,0,.6);
  padding:86px 24px 28px;
}
.site-drawer.is-open{transform:translateY(0)}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.drawer-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  font-size:16px;
  color:var(--muted);
  border:1px solid transparent;
}
.drawer-links a:hover,.drawer-links a.is-active{
  color:var(--text);
  background:rgba(62,155,255,.08);
  border-color:var(--line);
}
.drawer-cta{width:100%}
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(3,6,12,.66);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;
  padding:60px 0 56px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  opacity:.4;
  filter:saturate(.9);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(120% 100% at 50% 0%,rgba(7,11,20,.35) 0%,rgba(7,11,20,.9) 62%,var(--bg) 100%);
}
.hero-band{
  position:relative;
  background:var(--panel-glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:20px;
  padding:34px 36px;
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.05);
  overflow:hidden;
}
.hero-band::before{
  content:"";
  position:absolute;
  top:-70px;left:-50px;
  width:210px;height:210px;
  border-radius:50%;
  border:1px solid rgba(95,227,255,.16);
  box-shadow:0 0 0 22px rgba(95,227,255,.05), 0 0 0 46px rgba(95,227,255,.03);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:16px;
  position:relative;
  z-index:1;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary-2)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--text);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  position:relative;
  z-index:1;
  margin-bottom:16px;
}
.page-hero h1 .accent{
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-desc{
  position:relative;
  z-index:1;
  max-width:720px;
  font-size:16px;
  color:var(--muted);
  margin-bottom:22px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;position:relative;z-index:1}

/* ---------- 主区布局 ---------- */
.layout-section{padding:72px 0 8px}
.layout-x{margin-left:-16px;margin-right:-16px}
.layout-x > .cell{padding-left:16px;padding-right:16px}
.section-head{margin-bottom:26px}
.section-head h2{
  font-size:clamp(22px,2.4vw,28px);
  margin-bottom:8px;
}
.section-head p{color:var(--muted);font-size:14px;margin:0}
.group-title{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:18px;
  font-weight:700;
  margin:34px 0 16px;
  color:var(--text);
}
.group-title::before{
  content:"";
  width:4px;height:20px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.group-title .count{
  font-family:ui-monospace,"SF Mono",Consolas,monospace;
  font-size:12px;
  color:var(--chip);
  font-weight:400;
}

/* ---------- 紧凑双列条目 ---------- */
.tile-grid-x{margin-left:-9px;margin-right:-9px}
.tile-grid-x > .cell{padding-left:9px;padding-right:9px;margin-bottom:18px}
.tile{
  position:relative;
  height:100%;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-soft);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tile:hover{
  transform:translateY(-4px);
  border-color:rgba(62,155,255,.4);
  box-shadow:0 16px 38px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.06);
}
.tile-num{
  display:inline-block;
  font-family:ui-monospace,"SF Mono",Consolas,monospace;
  font-size:13px;
  color:var(--chip);
  margin-bottom:10px;
}
.tile h3{
  font-size:18px;
  margin-bottom:10px;
  transition:color .2s ease;
}
.tile:hover h3{color:var(--primary-2)}
.tile p{
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
  margin:0 0 14px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.tile-foot{display:flex;align-items:center;justify-content:space-between;gap:12px}
.tile-time{
  font-family:ui-monospace,"SF Mono",Consolas,monospace;
  font-size:12px;
  color:var(--muted);
}
.tile-arrow{color:var(--primary);font-size:13px;opacity:.75;transition:transform .2s ease}
.tile:hover .tile-arrow{transform:translateX(4px);opacity:1}

/* ---------- 侧栏目录 ---------- */
.side-col{position:relative}
.side-sticky{position:sticky;top:98px}
.side-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-soft);
  margin-bottom:16px;
}
.side-cover{
  border-radius:12px;
  overflow:hidden;
  aspect-ratio:16 / 10;
  margin-bottom:16px;
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(62,155,255,.2),rgba(31,185,138,.12));
}
.side-cover img{width:100%;height:100%;object-fit:cover}
.side-title{
  font-size:15px;
  font-weight:700;
  margin-bottom:12px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-title i{color:var(--primary);font-size:13px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:8px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--muted);
  line-height:1.6;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.toc-list a:hover{
  background:rgba(62,155,255,.08);
  color:var(--text);
  transform:translateX(4px);
}
.toc-list .idx{
  font-family:ui-monospace,"SF Mono",Consolas,monospace;
  font-size:12px;
  color:var(--chip);
  padding-top:2px;
  flex:0 0 auto;
}
.side-note{
  font-size:13px;
  color:var(--muted);
  line-height:1.8;
  margin:0;
}
.side-note strong{color:var(--text)}

/* ---------- FAQ ---------- */
.faq-block{margin-top:44px}
.faq-accordion{
  border:0;
  background:transparent;
  margin:0;
}
.faq-accordion .accordion-item{
  background:var(--panel-glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-soft);
}
.faq-accordion .accordion-title{
  border:0;
  background:transparent;
  color:var(--text);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  padding:18px 54px 18px 22px;
  position:relative;
  transition:background .2s ease;
}
.faq-accordion .accordion-title:hover{background:rgba(62,155,255,.07);color:var(--text)}
.faq-accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  line-height:1;
  color:var(--primary);
  transition:transform .2s ease-out;
  margin:0;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{
  content:"−";
  transform:translateY(-50%) rotate(180deg);
}
.faq-accordion .accordion-content{
  border:0;
  background:transparent;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
  padding:0 22px 20px;
}
.faq-accordion .accordion-content p:last-child{margin-bottom:0}

/* ---------- 交叉导航 ---------- */
.cross-nav{
  padding:64px 0 0;
}
.cross-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:20px;
  padding:28px 30px;
  box-shadow:var(--shadow-soft);
}
.cross-card h2{font-size:20px;margin-bottom:8px}
.cross-card p{color:var(--muted);font-size:14px;margin-bottom:18px}
.pill-row{display:flex;flex-wrap:wrap;gap:12px}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 18px;
  border-radius:999px;
  font-size:14px;
  color:var(--text);
  background:rgba(62,155,255,.07);
  border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.pill:hover{
  color:var(--text);
  transform:translateY(-2px);
  border-color:rgba(95,227,255,.45);
  background:rgba(62,155,255,.14);
}
.pill i{color:var(--primary-2);font-size:12px}

/* ---------- CTA 带 ---------- */
.cta-band{padding:64px 0 72px}
.cta-card{
  position:relative;
  background:var(--panel-glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:20px;
  padding:34px 36px;
  box-shadow:var(--shadow);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  overflow:hidden;
}
.cta-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(95,227,255,.7),transparent);
}
.cta-copy h2{font-size:22px;margin-bottom:8px}
.cta-copy p{color:var(--muted);font-size:14px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}
.cta-tip{
  margin-top:12px;
  font-size:13px;
  color:var(--muted);
  position:relative;
  z-index:1;
}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:60px 0 0;
  position:relative;
  z-index:2;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  margin-bottom:14px;
}
.footer-about{font-size:14px;color:var(--muted);margin-bottom:16px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--primary-2)}
.footer-note{font-size:13px;color:var(--muted);line-height:1.9;margin:0}
.footer-note strong{color:var(--text)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:28px}
}
@media (max-width:1024px){
  .layout-section{padding:60px 0 8px}
  .side-sticky{position:static;margin-top:34px}
  .nav-left,.nav-right{display:none}
  .nav-grid{grid-template-columns:44px 1fr 44px;gap:12px}
  .brand{justify-content:center;font-size:17px}
  .nav-toggle{display:inline-flex}
  .nav-grid .nav-toggle{justify-self:start}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .page-hero{padding:44px 0 40px}
  .hero-band{padding:26px 22px;border-radius:16px}
  .hero-desc{font-size:15px}
  .layout-section{padding:48px 0 8px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cross-card{padding:24px 20px}
}
@media (max-width:576px){
  .tile-grid-x{margin-left:0;margin-right:0}
  .tile-grid-x > .cell{padding-left:0;padding-right:0}
  .footer-grid{grid-template-columns:1fr}
  .breadcrumb .current{max-width:52%}
  .brand{font-size:16px}
}