/* roulang page: index */
:root{
  --pg-bg-0:#05090F;
  --pg-bg-1:#0A121E;
  --pg-surface:#0F1A29;
  --pg-surface-2:#16233A;
  --pg-primary:#1FD1A6;
  --pg-primary-dark:#0FA98A;
  --pg-primary-soft:rgba(31,209,166,.14);
  --pg-accent:#FFB74A;
  --pg-danger:#FF6B5E;
  --pg-text-1:#EAF2F8;
  --pg-text-2:#A8B6C6;
  --pg-text-3:#6F8093;
  --pg-line:rgba(255,255,255,.08);
  --pg-line-hot:rgba(31,209,166,.35);
  --pg-glass:rgba(255,255,255,.06);
  --pg-glow-sm:0 0 0 1px rgba(31,209,166,.35),0 6px 20px rgba(31,209,166,.22);
  --pg-glow-lg:0 0 0 1px rgba(31,209,166,.45),0 10px 34px rgba(31,209,166,.32);
  --pg-radius:16px;
  --pg-radius-lg:22px;
  --pg-ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:var(--pg-bg-0);
  --bs-body-color:var(--pg-text-2);
  --bs-border-color:var(--pg-line);
  --bs-link-color:var(--pg-primary);
  --bs-link-hover-color:#4BE3BE;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--pg-bg-0);
  color:var(--pg-text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--pg-primary);text-decoration:none;transition:color .18s var(--pg-ease);}
a:hover{color:#4BE3BE;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
h1,h2,h3,h4{color:var(--pg-text-1);margin:0;font-weight:700;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
*:focus-visible{outline:2px solid var(--pg-primary);outline-offset:3px;border-radius:4px;}
::selection{background:var(--pg-primary-soft);color:var(--pg-text-1);}

.pg-container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.pg-section{padding:88px 0;}
.pg-section--alt{background:var(--pg-bg-1);}
.pg-sec-head{max-width:680px;margin-bottom:44px;}
.pg-sec-title{font-size:clamp(22px,3.2vw,34px);position:relative;padding-left:18px;}
.pg-sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--pg-primary);}
.pg-sec-sub{margin-top:12px;color:var(--pg-text-2);font-size:15px;line-height:1.7;}

/* ---------- 导航 ---------- */
.pg-header{position:sticky;top:0;z-index:60;padding:14px 0;transition:padding .2s var(--pg-ease);}
.pg-header.is-stuck{padding:8px 0;}
.pg-navcard{
  display:flex;align-items:center;gap:18px;
  height:68px;padding:0 14px 0 16px;
  border-radius:18px;
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  border:1px solid var(--pg-line);
  border-top-color:rgba(255,255,255,.14);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 10px 30px rgba(0,0,0,.28);
  transition:height .2s var(--pg-ease),box-shadow .2s var(--pg-ease),background .2s var(--pg-ease);
}
.pg-header.is-stuck .pg-navcard{height:60px;box-shadow:0 0 0 1px rgba(31,209,166,.18),0 12px 32px rgba(0,0,0,.4);}
.pg-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.pg-logo:hover{text-decoration:none;}
.pg-logo-mark{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--pg-primary),var(--pg-primary-dark));
  color:#04211B;font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(31,209,166,.5),0 6px 18px rgba(31,209,166,.35);
}
.pg-logo-text{color:var(--pg-text-1);font-weight:700;font-size:17px;letter-spacing:.01em;white-space:nowrap;}
.pg-nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;}
.pg-nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:12px;
  font-size:12.5px;color:var(--pg-text-2);
  border:1px solid transparent;background:transparent;
  white-space:nowrap;transition:all .18s var(--pg-ease);
}
.pg-nav-item i{font-size:12px;color:var(--pg-text-3);transition:color .18s var(--pg-ease);}
.pg-nav-item:hover{background:rgba(255,255,255,.06);border-color:var(--pg-line);color:var(--pg-text-1);text-decoration:none;}
.pg-nav-item:hover i{color:var(--pg-primary);}
.pg-nav-item.active{background:var(--pg-primary-soft);color:var(--pg-primary);border-color:var(--pg-line-hot);box-shadow:inset 0 -2px 0 var(--pg-primary);}
.pg-nav-item.active i{color:var(--pg-primary);}
.pg-burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--pg-line);background:rgba(255,255,255,.05);
  color:var(--pg-text-1);font-size:16px;align-items:center;justify-content:center;
  margin-left:auto;transition:all .18s var(--pg-ease);
}
.pg-burger:hover{border-color:var(--pg-line-hot);color:var(--pg-primary);}
.pg-mobile-panel{
  display:none;
  margin-top:10px;padding:16px;border-radius:18px;
  background:rgba(10,18,30,.96);
  border:1px solid var(--pg-line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.pg-mobile-panel.is-open{display:block;}
.pg-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.pg-mobile-grid .pg-nav-item{justify-content:flex-start;padding:12px;border-color:var(--pg-line);background:rgba(255,255,255,.04);font-size:13px;}
.pg-mobile-cta{margin-top:12px;display:block;}

/* ---------- 按钮 ---------- */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 24px;
  font-size:14.5px;font-weight:600;cursor:pointer;
  border:1px solid transparent;text-decoration:none;
  transition:all .18s var(--pg-ease);
}
.pg-btn:hover{text-decoration:none;}
.pg-btn-primary{background:linear-gradient(140deg,var(--pg-primary),var(--pg-primary-dark));color:#04211B;box-shadow:var(--pg-glow-sm);}
.pg-btn-primary:hover{color:#04211B;filter:brightness(1.08);transform:translateY(-1px);box-shadow:var(--pg-glow-lg);}
.pg-btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(31,209,166,.4);}
.pg-btn-ghost{background:transparent;border-color:var(--pg-line);color:var(--pg-text-1);}
.pg-btn-ghost:hover{border-color:var(--pg-line-hot);color:var(--pg-primary);background:var(--pg-primary-soft);transform:translateY(-1px);}
.pg-btn-sm{padding:9px 18px;font-size:13.5px;}
.pg-nav-cta{flex:0 0 auto;padding:11px 22px;font-size:14px;}

/* ---------- Hero ---------- */
.pg-hero{position:relative;padding:64px 0 40px;overflow:hidden;}
.pg-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 460px at 82% 12%,rgba(31,209,166,.16),transparent 62%),
             radial-gradient(700px 400px at 8% 88%,rgba(255,183,74,.08),transparent 60%);
  pointer-events:none;
}
.pg-hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.pg-hero h1{font-size:clamp(30px,5.6vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.01em;}
.pg-hero h1 .pg-hl{color:var(--pg-primary);}
.pg-hero-sub{margin-top:18px;font-size:16.5px;line-height:1.8;color:var(--pg-text-2);max-width:560px;}
.pg-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.pg-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.pg-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--pg-line);
  font-size:12.5px;color:var(--pg-text-2);letter-spacing:.02em;
}
.pg-badge i{color:var(--pg-primary);font-size:12px;}
.pg-hero-visual{position:relative;border-radius:var(--pg-radius-lg);overflow:hidden;border:1px solid var(--pg-line);border-top-color:rgba(255,255,255,.16);}
.pg-hero-visual img{width:100%;height:420px;}
.pg-hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(5,9,15,.86) 6%,rgba(5,9,15,.28) 52%,rgba(5,9,15,.7) 100%);
}
.pg-hero-float{
  position:absolute;left:18px;bottom:18px;right:18px;z-index:2;
  display:flex;gap:10px;flex-wrap:wrap;
}
.pg-hero-chip{
  padding:10px 14px;border-radius:14px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  font-size:12.5px;color:var(--pg-text-1);display:inline-flex;align-items:center;gap:8px;
}
.pg-hero-chip b{color:var(--pg-accent);font-size:14px;}

/* ---------- 锚点小卡条 ---------- */
.pg-anchorbar{position:relative;padding:8px 0 0;}
.pg-anchor-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;}
.pg-anchor{
  display:flex;align-items:center;gap:10px;
  padding:14px 16px;border-radius:14px;
  background:var(--pg-surface);border:1px solid var(--pg-line);
  color:var(--pg-text-2);font-size:13.5px;
  transition:all .2s var(--pg-ease);
}
.pg-anchor i{color:var(--pg-primary);font-size:13px;}
.pg-anchor:hover{text-decoration:none;color:var(--pg-text-1);border-color:var(--pg-line-hot);transform:translateY(-2px);}
.pg-anchor.is-current{background:var(--pg-primary-soft);border-color:var(--pg-line-hot);color:var(--pg-primary);box-shadow:0 8px 22px rgba(31,209,166,.16);}

/* ---------- 卖点 2大3小 ---------- */
.pg-feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.pg-card{
  background:var(--pg-surface);border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);padding:24px;
  transition:transform .2s var(--pg-ease),border-color .2s var(--pg-ease),box-shadow .2s var(--pg-ease);
}
.pg-card--big{grid-column:span 3;padding:0;overflow:hidden;display:flex;flex-direction:column;}
.pg-card--small{grid-column:span 2;}
.pg-card--big img{width:100%;height:190px;}
.pg-card-body{padding:24px;}
.pg-card h3{font-size:18px;margin-bottom:10px;}
.pg-card p{font-size:14.5px;line-height:1.75;color:var(--pg-text-2);}
.pg-card-ico{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--pg-primary-soft);color:var(--pg-primary);font-size:16px;margin-bottom:16px;
  border:1px solid var(--pg-line-hot);
}
@media (hover:hover){
  .pg-card:hover{transform:translateY(-4px);border-color:var(--pg-line-hot);box-shadow:0 10px 30px rgba(31,209,166,.14);}
}
.pg-mini-list{display:flex;flex-direction:column;gap:8px;margin-top:14px;}
.pg-mini-list li{display:flex;gap:9px;font-size:13.5px;color:var(--pg-text-2);line-height:1.7;}
.pg-mini-list i{color:var(--pg-primary);font-size:11px;margin-top:7px;flex:0 0 auto;}

/* ---------- 演示 ---------- */
.pg-demo-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:start;}
.pg-demo-visual{border-radius:var(--pg-radius-lg);overflow:hidden;border:1px solid var(--pg-line);position:relative;}
.pg-demo-visual img{width:100%;height:400px;}
.pg-demo-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,15,.15),rgba(5,9,15,.72));}
.pg-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px;}
.pg-tab{
  padding:9px 18px;border-radius:999px;font-size:13.5px;
  border:1px solid var(--pg-line);background:transparent;color:var(--pg-text-2);
  cursor:pointer;transition:all .18s var(--pg-ease);
}
.pg-tab:hover{border-color:var(--pg-line-hot);color:var(--pg-text-1);}
.pg-tab.active{background:var(--pg-primary-soft);border-color:var(--pg-line-hot);color:var(--pg-primary);}
.pg-tab-panel{display:none;background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--pg-radius);padding:28px;}
.pg-tab-panel.active{display:block;animation:pgFade .22s var(--pg-ease);}
@keyframes pgFade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.pg-step-no{font-size:38px;font-weight:800;color:var(--pg-accent);line-height:1;letter-spacing:-.02em;}
.pg-tab-panel h3{font-size:19px;margin:14px 0 10px;}
.pg-tab-panel p{font-size:14.5px;line-height:1.8;color:var(--pg-text-2);}

/* ---------- 证据 ---------- */
.pg-stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px;}
.pg-stat{background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--pg-radius);padding:22px;}
.pg-stat b{display:block;font-size:30px;font-weight:800;color:var(--pg-accent);line-height:1.1;}
.pg-stat span{display:block;margin-top:8px;font-size:13px;color:var(--pg-text-3);}
.pg-scroll-x{
  display:flex;gap:18px;overflow-x:auto;padding-bottom:12px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.pg-scroll-x::-webkit-scrollbar{display:none;}
.pg-quote{
  flex:0 0 320px;scroll-snap-align:start;
  background:var(--pg-surface);border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);padding:22px;
}
.pg-quote p{font-size:14.5px;line-height:1.8;color:var(--pg-text-2);}
.pg-quote footer{margin-top:16px;font-size:13px;color:var(--pg-text-3);display:flex;align-items:center;gap:8px;}
.pg-quote footer i{color:var(--pg-primary);}

/* ---------- 最新信息 ---------- */
.pg-news-tools{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.pg-chip{
  padding:8px 16px;border-radius:999px;font-size:13px;
  background:transparent;border:1px solid var(--pg-line);color:var(--pg-text-2);
}
.pg-chip:hover{text-decoration:none;color:var(--pg-primary);border-color:var(--pg-line-hot);}
.pg-news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--pg-surface);border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);padding:16px;color:inherit;
  transition:transform .2s var(--pg-ease),border-color .2s var(--pg-ease),box-shadow .2s var(--pg-ease);
}
.pg-news-card:hover{text-decoration:none;color:inherit;}
.pg-news-card img{width:100%;height:150px;border-radius:12px;margin-bottom:14px;}
.pg-news-tag{
  align-self:flex-start;padding:4px 11px;border-radius:999px;
  background:var(--pg-primary-soft);color:var(--pg-primary);
  font-size:11.5px;letter-spacing:.06em;margin-bottom:10px;
}
.pg-news-card h3{font-size:16.5px;line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pg-news-card p{font-size:13.5px;line-height:1.7;color:var(--pg-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pg-news-meta{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--pg-text-3);border-top:1px solid var(--pg-line);}
.pg-news-meta i{color:var(--pg-primary);}
@media (hover:hover){
  .pg-news-card:hover{transform:translateY(-4px);border-color:var(--pg-line-hot);box-shadow:0 10px 28px rgba(31,209,166,.14);}
}
.pg-empty{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--pg-radius);
  color:var(--pg-text-3);font-size:14.5px;text-align:center;padding:32px;
}
.pg-empty i{font-size:26px;color:var(--pg-primary);}

/* ---------- 方案 ---------- */
.pg-price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.pg-price-card{
  background:var(--pg-surface);border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);padding:28px;position:relative;
}
.pg-price-card.featured{
  background:linear-gradient(180deg,rgba(31,209,166,.12),rgba(255,255,255,.03)),var(--pg-surface-2);
  border-color:var(--pg-line-hot);box-shadow:var(--pg-glow-sm);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.pg-price-badge{
  position:absolute;top:-13px;left:28px;padding:5px 14px;border-radius:999px;
  background:linear-gradient(140deg,var(--pg-primary),var(--pg-primary-dark));
  color:#04211B;font-size:11.5px;font-weight:700;letter-spacing:.06em;
}
.pg-price-card h3{font-size:18px;margin-bottom:6px;}
.pg-price-card .pg-price-note{font-size:13px;color:var(--pg-text-3);margin-bottom:18px;}
.pg-price-amount{font-size:36px;font-weight:800;color:var(--pg-accent);line-height:1.1;letter-spacing:-.02em;}
.pg-price-amount small{font-size:14px;color:var(--pg-text-3);font-weight:500;margin-left:4px;}
.pg-price-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px;}
.pg-price-list li{display:flex;gap:10px;font-size:14px;color:var(--pg-text-2);line-height:1.65;}
.pg-price-list svg{flex:0 0 auto;margin-top:4px;}
.pg-price-card .pg-btn{width:100%;}
.pg-price-foot{margin-top:26px;font-size:13px;color:var(--pg-text-3);text-align:center;}

/* ---------- FAQ ---------- */
.pg-faq{max-width:860px;margin:0 auto;}
.pg-faq-item{border:1px solid var(--pg-line);border-radius:var(--pg-radius);margin-bottom:12px;background:var(--pg-surface);overflow:hidden;transition:border-color .18s var(--pg-ease),background .18s var(--pg-ease);}
.pg-faq-item.is-open{background:var(--pg-surface-2);border-color:var(--pg-line-hot);}
.pg-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  color:var(--pg-text-1);font-size:16px;font-weight:600;line-height:1.5;
}
.pg-faq-q .pg-plus{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .18s var(--pg-ease);}
.pg-faq-q .pg-plus::before,.pg-faq-q .pg-plus::after{
  content:"";position:absolute;background:var(--pg-primary);border-radius:2px;
  top:50%;left:50%;transform:translate(-50%,-50%);
}
.pg-faq-q .pg-plus::before{width:14px;height:2px;}
.pg-faq-q .pg-plus::after{width:2px;height:14px;}
.pg-faq-item.is-open .pg-plus{transform:rotate(45deg);}
.pg-faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--pg-text-2);}
.pg-faq-item.is-open .pg-faq-a{display:block;}

/* ---------- CTA ---------- */
.pg-cta-panel{
  border-radius:var(--pg-radius-lg);padding:52px 40px;text-align:center;
  background:linear-gradient(150deg,rgba(31,209,166,.16),rgba(255,255,255,.03));
  border:1px solid var(--pg-line-hot);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.pg-cta-panel h2{font-size:clamp(22px,3vw,30px);}
.pg-cta-panel p{margin:16px auto 0;max-width:640px;font-size:15px;line-height:1.8;color:var(--pg-text-2);}
.pg-cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:28px;}
.pg-cta-note{margin-top:22px;font-size:12.5px;color:var(--pg-text-3);}

/* ---------- 页脚 ---------- */
.pg-footer{background:#03070C;border-top:1px solid var(--pg-line);padding:64px 0 0;margin-top:0;}
.pg-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.pg-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.pg-footer p{font-size:13.5px;line-height:1.85;color:var(--pg-text-3);}
.pg-footer h4{font-size:14px;color:var(--pg-text-1);margin-bottom:16px;letter-spacing:.04em;}
.pg-footer-links{display:flex;flex-direction:column;gap:11px;}
.pg-footer-links a,.pg-footer-links span{font-size:13.5px;color:var(--pg-text-3);}
.pg-footer-links a:hover{color:var(--pg-primary);text-decoration:none;}
.pg-footer-bottom{
  margin-top:48px;border-top:1px solid var(--pg-line);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--pg-text-3);
}

/* ---------- 浮动 CTA ---------- */
.pg-float{
  position:fixed;right:24px;bottom:32px;z-index:70;
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity .15s var(--pg-ease),transform .15s var(--pg-ease);
}
.pg-float.is-visible{opacity:1;transform:none;pointer-events:auto;}
.pg-float .pg-btn{box-shadow:var(--pg-glow-lg);}
.pg-mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:rgba(5,9,15,.92);
  border-top:1px solid var(--pg-line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  gap:10px;align-items:center;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .15s var(--pg-ease),transform .15s var(--pg-ease);
}
.pg-mobile-bar.is-visible{opacity:1;transform:none;pointer-events:auto;}
.pg-mobile-bar .pg-btn{flex:0 0 70%;}
.pg-top-btn{
  flex:1 1 auto;height:44px;border-radius:999px;
  border:1px solid var(--pg-line);background:rgba(255,255,255,.05);
  color:var(--pg-text-1);font-size:14px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .pg-price-grid{grid-template-columns:repeat(3,1fr);gap:18px;}
}
@media (max-width:991px){
  .pg-section{padding:64px 0;}
  .pg-nav-links,.pg-nav-cta{display:none;}
  .pg-burger{display:flex;}
  .pg-hero-grid{grid-template-columns:1fr;gap:34px;}
  .pg-hero-visual img{height:320px;}
  .pg-demo-grid{grid-template-columns:1fr;gap:28px;}
  .pg-demo-visual img{height:300px;}
  .pg-feature-grid{grid-template-columns:repeat(4,1fr);}
  .pg-card--big{grid-column:span 4;}
  .pg-card--small{grid-column:span 2;}
  .pg-anchor-grid{grid-template-columns:repeat(3,1fr);}
  .pg-stat-grid{grid-template-columns:repeat(2,1fr);}
  .pg-price-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto;}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  body{padding-bottom:88px;}
  .pg-float{display:none;}
  .pg-mobile-bar{display:flex;}
}
@media (max-width:767px){
  .pg-container{padding:0 16px;}
  .pg-section{padding:52px 0;}
  .pg-feature-grid{grid-template-columns:1fr;gap:16px;}
  .pg-card--big,.pg-card--small{grid-column:span 1;}
  .pg-anchor-grid{grid-template-columns:repeat(2,1fr);}
  .pg-quote{flex:0 0 260px;}
  .pg-footer-grid{grid-template-columns:1fr;}
  .pg-cta-panel{padding:36px 20px;}
  .pg-hero-visual img{height:250px;}
  .pg-hero-actions .pg-btn{width:100%;}
  .pg-sec-head{margin-bottom:32px;}
  .pg-tab-panel{padding:22px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --pg-bg-0:#05090F;
  --pg-bg-1:#0A121E;
  --pg-surface:#0F1A29;
  --pg-surface-2:#16233A;
  --pg-primary:#1FD1A6;
  --pg-primary-dark:#0FA98A;
  --pg-primary-soft:rgba(31,209,166,.14);
  --pg-accent:#FFB74A;
  --pg-danger:#FF6B5E;
  --pg-text-1:#EAF2F8;
  --pg-text-2:#A8B6C6;
  --pg-text-3:#6F8093;
  --pg-line:rgba(255,255,255,.08);
  --pg-line-hot:rgba(31,209,166,.35);
  --pg-glass:rgba(255,255,255,.06);
  --pg-radius-card:16px;
  --pg-radius-panel:22px;
  --pg-radius-sm:12px;
  --pg-glow-sm:0 0 0 1px rgba(31,209,166,.35),0 6px 20px rgba(31,209,166,.22);
  --pg-glow-lg:0 0 0 1px rgba(31,209,166,.45),0 10px 34px rgba(31,209,166,.32);
  --pg-ease:cubic-bezier(.2,.7,.3,1);
  --pg-sec:88px;
  --bs-body-bg:#05090F;
  --bs-body-color:#A8B6C6;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#1FD1A6;
  --bs-link-hover-color:#4BE3BE;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--pg-bg-0);
  color:var(--pg-text-2);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--pg-primary);text-decoration:none;transition:color .18s var(--pg-ease)}
a:hover{color:#4BE3BE;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
h1,h2,h3,h4{color:var(--pg-text-1);margin:0;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
*:focus-visible{outline:2px solid var(--pg-primary);outline-offset:3px;border-radius:6px}
.pg-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.pg-section{padding:var(--pg-sec) 0}
.pg-section-alt{background:var(--pg-bg-1)}

/* ---------- 导航 ---------- */
.pg-header{position:sticky;top:0;z-index:1030;padding-top:12px}
.pg-navcard{
  display:flex;align-items:center;gap:18px;
  height:68px;padding:0 14px 0 16px;
  border-radius:18px;
  background:rgba(10,18,30,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--pg-line);
  border-top-color:rgba(255,255,255,.12);
  transition:height .2s var(--pg-ease),background .2s var(--pg-ease),box-shadow .2s var(--pg-ease);
}
.pg-header.scrolled .pg-navcard{
  height:60px;
  background:rgba(7,13,22,.92);
  box-shadow:0 0 0 1px rgba(31,209,166,.18),0 8px 26px rgba(31,209,166,.14);
}
.pg-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.pg-logo:hover{text-decoration:none}
.pg-logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#1FD1A6,#0FA98A);
  color:#04140F;font-weight:800;font-size:14px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(31,209,166,.5),0 6px 18px rgba(31,209,166,.35);
}
.pg-logo-text{color:var(--pg-text-1);font-weight:700;font-size:16px;white-space:nowrap}
.pg-nav-links{display:flex;align-items:center;gap:8px;margin-left:6px;flex:1 1 auto}
.pg-nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:12px;
  font-size:13px;color:var(--pg-text-2);
  border:1px solid transparent;
  border-bottom:2px solid transparent;
  white-space:nowrap;
  transition:all .18s var(--pg-ease);
}
.pg-nav-item i{font-size:12px;color:var(--pg-text-3);transition:color .18s var(--pg-ease)}
.pg-nav-item:hover{
  background:var(--pg-glass);
  border-color:var(--pg-line);
  color:var(--pg-text-1);
  text-decoration:none;
}
.pg-nav-item:hover i{color:var(--pg-primary)}
.pg-nav-item.active{
  background:var(--pg-primary-soft);
  border-color:var(--pg-line-hot);
  border-bottom:2px solid var(--pg-primary);
  color:var(--pg-primary);
}
.pg-nav-item.active i{color:var(--pg-primary)}
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  font-size:14px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:all .18s var(--pg-ease);
}
.pg-btn:hover{text-decoration:none}
.pg-btn-primary{
  background:linear-gradient(140deg,#1FD1A6,#0FA98A);
  color:#04140F;
  box-shadow:0 0 0 1px rgba(31,209,166,.4),0 8px 24px rgba(31,209,166,.26);
}
.pg-btn-primary:hover{
  color:#04140F;filter:brightness(1.08);transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(31,209,166,.5),0 12px 30px rgba(31,209,166,.34);
}
.pg-btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(31,209,166,.35),0 4px 14px rgba(31,209,166,.18)}
.pg-btn-ghost{
  background:transparent;color:var(--pg-text-1);
  border:1px solid var(--pg-line);
}
.pg-btn-ghost:hover{
  color:var(--pg-text-1);border-color:var(--pg-line-hot);
  background:var(--pg-primary-soft);transform:translateY(-1px);
}
.pg-btn-ghost:active{transform:translateY(1px)}
.pg-nav-cta{padding:11px 20px;font-size:13px;flex:0 0 auto}
.pg-burger{
  display:none;width:40px;height:40px;border-radius:12px;
  background:var(--pg-glass);border:1px solid var(--pg-line);
  color:var(--pg-text-1);font-size:16px;flex:0 0 auto;
}
.pg-burger:hover{border-color:var(--pg-line-hot);color:var(--pg-primary)}
.pg-mobile-panel{
  display:none;
  margin-top:10px;padding:16px;
  border-radius:18px;
  background:rgba(10,18,30,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--pg-line);
  border-top-color:rgba(255,255,255,.12);
}
.pg-mobile-panel.open{display:block}
.pg-mobile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.pg-mobile-grid .pg-nav-item{justify-content:flex-start;padding:12px 14px;font-size:13px;border:1px solid var(--pg-line)}
.pg-mobile-cta{width:100%;margin-top:14px}

/* ---------- 面包屑 ---------- */
.pg-crumb{padding:26px 0 0;font-size:13px;color:var(--pg-text-3)}
.pg-crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;list-style:none;margin:0;padding:0}
.pg-crumb li{display:flex;align-items:center;gap:8px}
.pg-crumb li+li::before{content:"/";color:var(--pg-text-3);opacity:.6}
.pg-crumb a{color:var(--pg-text-2)}
.pg-crumb a:hover{color:var(--pg-primary)}
.pg-crumb .current{color:var(--pg-primary);font-weight:600}

/* ---------- 页头 ---------- */
.pg-pagehero{padding:26px 0 0}
.pg-pagehero-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:center;
  padding:44px;
  border-radius:var(--pg-radius-panel);
  background:linear-gradient(160deg,rgba(15,26,41,.96),rgba(5,9,15,.98));
  border:1px solid var(--pg-line);
  border-top-color:rgba(255,255,255,.12);
}
.pg-pagehero-card::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 88% 12%,rgba(31,209,166,.16),transparent 70%),
    radial-gradient(420px 260px at 6% 96%,rgba(255,183,74,.09),transparent 72%);
  pointer-events:none;
}
.pg-pagehero-text{position:relative;z-index:1}
.pg-pagehero h1{
  font-size:clamp(28px,4.6vw,46px);
  font-weight:800;line-height:1.15;letter-spacing:-.01em;
  margin-bottom:14px;
}
.pg-lead{font-size:16px;color:var(--pg-text-2);max-width:620px}
.pg-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pg-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;
  background:var(--pg-primary-soft);color:var(--pg-primary);
  border:1px solid var(--pg-line-hot);
}
.pg-tag.gold{background:rgba(255,183,74,.12);color:var(--pg-accent);border-color:rgba(255,183,74,.28)}
.pg-pagehero-visual{
  position:relative;z-index:1;
  border-radius:var(--pg-radius-panel);overflow:hidden;
  border:1px solid var(--pg-line);
  border-top-color:rgba(255,255,255,.14);
  box-shadow:0 0 0 1px rgba(31,209,166,.12),0 18px 44px rgba(3,8,14,.6);
}
.pg-pagehero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.pg-pagehero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,15,.05),rgba(5,9,15,.62));
}

/* ---------- 指标条 ---------- */
.pg-metrics{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  margin-top:24px;
}
.pg-metric{
  padding:20px 22px;border-radius:var(--pg-radius-card);
  background:var(--pg-surface);border:1px solid var(--pg-line);
  transition:border-color .18s var(--pg-ease),transform .18s var(--pg-ease);
}
.pg-metric:hover{border-color:var(--pg-line-hot);transform:translateY(-3px)}
.pg-metric-num{
  display:block;font-size:clamp(24px,3vw,32px);font-weight:800;
  color:var(--pg-accent);line-height:1.1;letter-spacing:-.01em;
}
.pg-metric-num small{font-size:14px;font-weight:600;margin-left:2px}
.pg-metric-label{display:block;font-size:13px;color:var(--pg-text-3);margin-top:8px}

/* ---------- 板块标题 ---------- */
.pg-section-head{margin-bottom:44px}
.pg-h2{
  display:flex;align-items:center;gap:14px;
  font-size:clamp(22px,3.2vw,34px);font-weight:700;line-height:1.25;
}
.pg-h2::before{
  content:"";width:4px;height:28px;border-radius:999px;
  background:linear-gradient(180deg,#1FD1A6,#0FA98A);
  box-shadow:0 0 14px rgba(31,209,166,.5);flex:0 0 auto;
}
.pg-sub{margin-top:14px;max-width:680px;font-size:15px;color:var(--pg-text-2)}

/* ---------- 图文并排 ---------- */
.pg-split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.pg-split+.pg-split{margin-top:64px}
.pg-split.reverse .pg-split-media{order:2}
.pg-split.reverse .pg-split-text{order:1}
.pg-split-media{
  border-radius:var(--pg-radius-card);overflow:hidden;
  border:1px solid var(--pg-line);border-top-color:rgba(255,255,255,.12);
  background:var(--pg-surface);
  box-shadow:0 0 0 1px rgba(31,209,166,.1),0 16px 40px rgba(3,8,14,.55);
  transition:border-color .2s var(--pg-ease),box-shadow .2s var(--pg-ease);
}
.pg-split-media:hover{border-color:var(--pg-line-hot);box-shadow:var(--pg-glow-sm)}
.pg-split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.pg-step-no{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:30px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--pg-accent);background:rgba(255,183,74,.1);
  border:1px solid rgba(255,183,74,.26);margin-bottom:16px;
}
.pg-split-text h3{font-size:clamp(19px,2.2vw,24px);font-weight:700;line-height:1.35;margin-bottom:14px}
.pg-split-text p{color:var(--pg-text-2);margin-bottom:14px}
.pg-split-text p:last-child{margin-bottom:0}
.pg-mini-list{margin-top:18px;display:grid;gap:10px}
.pg-mini-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--pg-text-2);line-height:1.7;
}
.pg-mini-list i{color:var(--pg-primary);font-size:13px;margin-top:6px}

/* ---------- 核对清单 ---------- */
.pg-check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.pg-check-card{
  padding:26px 24px;border-radius:var(--pg-radius-card);
  background:var(--pg-surface);border:1px solid var(--pg-line);
  transition:all .2s var(--pg-ease);
}
.pg-check-card:hover{
  transform:translateY(-4px);
  border-color:var(--pg-line-hot);
  box-shadow:var(--pg-glow-sm);
}
.pg-check-icon{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;margin-bottom:16px;
  background:var(--pg-primary-soft);color:var(--pg-primary);
  border:1px solid var(--pg-line-hot);font-size:16px;
}
.pg-check-card h3{font-size:17px;font-weight:600;margin-bottom:10px}
.pg-check-card p{font-size:14px;color:var(--pg-text-2);line-height:1.7}
.pg-check-card .pg-card-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--pg-line);
  font-size:13px;color:var(--pg-text-3);
}

/* ---------- 相关入口卡 ---------- */
.pg-entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.pg-entry-card{
  display:flex;flex-direction:column;gap:10px;
  padding:22px;border-radius:var(--pg-radius-card);
  background:var(--pg-surface);border:1px solid var(--pg-line);
  color:var(--pg-text-2);text-decoration:none;
  transition:all .2s var(--pg-ease);
}
.pg-entry-card:hover{
  text-decoration:none;color:var(--pg-text-1);
  transform:translateY(-4px);
  border-color:var(--pg-line-hot);
  box-shadow:var(--pg-glow-sm);
}
.pg-entry-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.pg-entry-icon{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--pg-primary-soft);color:var(--pg-primary);font-size:15px;
}
.pg-entry-card:hover .pg-entry-icon{box-shadow:0 0 0 1px var(--pg-line-hot)}
.pg-entry-arrow{color:var(--pg-text-3);font-size:13px;transition:transform .2s var(--pg-ease),color .2s var(--pg-ease)}
.pg-entry-card:hover .pg-entry-arrow{transform:translateX(4px);color:var(--pg-primary)}
.pg-entry-card h3{font-size:16px;font-weight:600;color:var(--pg-text-1)}
.pg-entry-card p{font-size:13px;color:var(--pg-text-3)}
.pg-entry-card.current{border-color:var(--pg-line-hot);background:var(--pg-surface-2)}
.pg-entry-card.current h3{color:var(--pg-primary)}

/* ---------- CTA 面板 ---------- */
.pg-cta-panel{
  position:relative;overflow:hidden;
  padding:52px 44px;border-radius:var(--pg-radius-panel);
  background:
    linear-gradient(150deg,rgba(31,209,166,.14),rgba(10,18,30,.9) 55%),
    rgba(10,18,30,.85);
  border:1px solid var(--pg-line);
  border-top-color:rgba(255,255,255,.14);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
}
.pg-cta-panel::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 240px at 92% 8%,rgba(31,209,166,.2),transparent 70%);
  pointer-events:none;
}
.pg-cta-text{position:relative;z-index:1;max-width:640px}
.pg-cta-text h2{font-size:clamp(22px,3vw,32px);margin-bottom:12px}
.pg-cta-text p{font-size:15px;color:var(--pg-text-2)}
.pg-cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px}
.pg-note{
  margin-top:20px;font-size:13px;color:var(--pg-text-3);
  display:flex;gap:8px;align-items:flex-start;
}
.pg-note i{color:var(--pg-accent);margin-top:5px}

/* ---------- 页脚 ---------- */
.pg-footer{
  background:#03060B;
  border-top:1px solid var(--pg-line);
  padding:64px 0 28px;
  margin-top:0;
}
.pg-footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
}
.pg-footer-brand .pg-logo{margin-bottom:16px}
.pg-footer-brand p{font-size:14px;color:var(--pg-text-3);max-width:320px}
.pg-trust{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:16px;padding:8px 14px;border-radius:999px;
  font-size:12px;color:var(--pg-text-2);
  background:var(--pg-glass);border:1px solid var(--pg-line);
}
.pg-trust i{color:var(--pg-primary)}
.pg-footer h4{
  font-size:14px;font-weight:600;color:var(--pg-text-1);
  margin-bottom:18px;letter-spacing:.02em;
}
.pg-footer-links{display:grid;gap:11px}
.pg-footer-links a{
  font-size:14px;color:var(--pg-text-3);
  display:inline-flex;align-items:center;gap:8px;
}
.pg-footer-links a:hover{color:var(--pg-primary);text-decoration:none}
.pg-footer-links a i{font-size:11px}
.pg-footer-contact{display:grid;gap:12px;font-size:13px;color:var(--pg-text-3)}
.pg-footer-contact span{display:flex;gap:9px;align-items:flex-start;line-height:1.7}
.pg-footer-contact i{color:var(--pg-primary);margin-top:5px}
.pg-footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--pg-line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:var(--pg-text-3);
}
.pg-footer-bottom span{line-height:1.7}

/* ---------- 浮动 CTA ---------- */
.pg-float-cta{
  position:fixed;right:24px;bottom:32px;z-index:1050;
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity .18s var(--pg-ease),transform .18s var(--pg-ease);
}
.pg-float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.pg-mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1050;
  gap:10px;padding:8px 16px;
  padding-bottom:calc(8px + env(safe-area-inset-bottom));
  background:rgba(7,13,22,.95);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--pg-line);
}
.pg-mobile-bar .pg-btn-primary{flex:1 1 auto}
.pg-mobile-bar .pg-top-btn{
  width:48px;height:44px;flex:0 0 auto;border-radius:999px;
  display:grid;place-items:center;
  background:var(--pg-glass);border:1px solid var(--pg-line);
  color:var(--pg-text-1);font-size:15px;
}
.pg-mobile-bar .pg-top-btn:hover{border-color:var(--pg-line-hot);color:var(--pg-primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .pg-entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  :root{--pg-sec:64px}
  .pg-nav-links,.pg-nav-cta{display:none}
  .pg-burger{display:grid;place-items:center;margin-left:auto}
  .pg-pagehero-card{grid-template-columns:1fr;gap:28px;padding:32px}
  .pg-pagehero-visual{order:-1}
  .pg-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pg-split{grid-template-columns:1fr;gap:28px}
  .pg-split.reverse .pg-split-media,.pg-split.reverse .pg-split-text{order:0}
  .pg-split+.pg-split{margin-top:52px}
  .pg-check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pg-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .pg-float-cta{display:none}
  .pg-mobile-bar{display:flex}
  body{padding-bottom:88px}
}
@media (max-width:767px){
  :root{--pg-sec:52px}
  .pg-container{padding:0 16px}
  body{font-size:15px;line-height:1.7}
  .pg-pagehero-card{padding:24px 20px;border-radius:18px}
  .pg-cta-panel{padding:34px 22px;border-radius:18px}
  .pg-check-grid{grid-template-columns:1fr}
  .pg-entry-grid{grid-template-columns:1fr}
  .pg-metrics{grid-template-columns:1fr}
  .pg-footer-grid{grid-template-columns:1fr}
  .pg-cta-actions{width:100%}
  .pg-cta-actions .pg-btn{width:100%}
}
@media (max-width:575px){
  .pg-mobile-grid{grid-template-columns:1fr}
  .pg-logo-text{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
  .pg-check-card:hover,.pg-entry-card:hover,.pg-metric:hover{transform:none}
}

/* roulang page: article */
/* ============ 设计令牌 ============ */
:root{
  --pg-bg-0:#05090F;
  --pg-bg-1:#0A121E;
  --pg-surface:#0F1A29;
  --pg-surface-2:#16233A;
  --pg-primary:#1FD1A6;
  --pg-primary-dark:#0FA98A;
  --pg-primary-soft:rgba(31,209,166,.14);
  --pg-accent:#FFB74A;
  --pg-danger:#FF6B5E;
  --pg-text-1:#EAF2F8;
  --pg-text-2:#A8B6C6;
  --pg-text-3:#6F8093;
  --pg-line:rgba(255,255,255,.08);
  --pg-line-hot:rgba(31,209,166,.35);
  --pg-glass:rgba(255,255,255,.06);
  --pg-glow-sm:0 0 0 1px rgba(31,209,166,.35),0 6px 20px rgba(31,209,166,.22);
  --pg-glow-lg:0 0 0 1px rgba(31,209,166,.45),0 10px 34px rgba(31,209,166,.32);
  --pg-r-card:16px;
  --pg-r-panel:22px;
  --pg-r-sm:12px;
  --pg-ease:cubic-bezier(.2,.7,.3,1);

  --bs-body-bg:var(--pg-bg-0);
  --bs-body-color:var(--pg-text-2);
  --bs-border-color:var(--pg-line);
  --bs-link-color:var(--pg-primary);
  --bs-link-hover-color:#4BE3BE;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--pg-bg-0);
  color:var(--pg-text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--pg-primary);text-decoration:none;transition:color .18s var(--pg-ease)}
a:hover{color:#4BE3BE;text-decoration:underline;text-underline-offset:4px}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--pg-text-1);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0}
::selection{background:var(--pg-primary-soft);color:#ffffff}
*:focus-visible{outline:2px solid var(--pg-primary);outline-offset:3px;border-radius:6px}

/* ============ 容器 ============ */
.pg-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.pg-header{position:sticky;top:0;z-index:1030;padding:14px 0;transition:padding .2s var(--pg-ease)}
.pg-header.pg-scrolled{padding:8px 0}
.pg-navcard{
  display:flex;align-items:center;gap:14px;
  height:68px;padding:0 14px;
  border-radius:18px;
  background:rgba(15,26,41,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--pg-line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 10px 30px rgba(0,0,0,.28);
  transition:height .2s var(--pg-ease),box-shadow .2s var(--pg-ease),background .2s var(--pg-ease);
}
.pg-header.pg-scrolled .pg-navcard{
  height:60px;
  background:rgba(10,18,30,.9);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 0 0 1px rgba(31,209,166,.18),0 8px 24px rgba(31,209,166,.14);
}
.pg-logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.pg-logo:hover{text-decoration:none}
.pg-logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-size:15px;font-weight:800;letter-spacing:.04em;color:#04140F;
  background:linear-gradient(135deg,#4BE3BE,#0FA98A);
  box-shadow:var(--pg-glow-sm);
}
.pg-logo-text{font-size:17px;font-weight:700;color:var(--pg-text-1);white-space:nowrap;letter-spacing:.01em}
.pg-nav-links{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.pg-nav-links::-webkit-scrollbar{display:none}
.pg-nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:12px;
  font-size:13px;color:var(--pg-text-2);
  border:1px solid transparent;white-space:nowrap;
  text-decoration:none;
  transition:background .18s var(--pg-ease),color .18s var(--pg-ease),border-color .18s var(--pg-ease),box-shadow .18s var(--pg-ease);
}
.pg-nav-item i{font-size:12px;color:var(--pg-text-3);transition:color .18s var(--pg-ease)}
.pg-nav-item:hover{background:rgba(255,255,255,.05);border-color:var(--pg-line);color:var(--pg-text-1);text-decoration:none}
.pg-nav-item:hover i{color:var(--pg-text-1)}
.pg-nav-item.active{
  background:var(--pg-primary-soft);
  border-color:rgba(31,209,166,.28);
  color:var(--pg-primary);
  box-shadow:inset 0 -2px 0 var(--pg-primary);
}
.pg-nav-item.active i{color:var(--pg-primary)}
.pg-burger{
  display:none;width:42px;height:42px;border-radius:12px;
  align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--pg-line);
  color:var(--pg-text-1);cursor:pointer;
  transition:border-color .18s var(--pg-ease),color .18s var(--pg-ease);
}
.pg-burger:hover{border-color:var(--pg-line-hot);color:var(--pg-primary)}
.pg-mobile-panel{
  display:none;margin-top:10px;padding:14px;
  border-radius:18px;
  background:rgba(15,26,41,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--pg-line);
  box-shadow:0 18px 40px rgba(0,0,0,.35);
}
.pg-mobile-panel.open{display:block;animation:pg-fade .18s var(--pg-ease)}
@keyframes pg-fade{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.pg-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}
.pg-mobile-grid .pg-nav-item{justify-content:flex-start}
.pg-mobile-cta{width:100%}

/* ============ 按钮 ============ */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;
  font-size:14px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .18s var(--pg-ease),box-shadow .18s var(--pg-ease),background .18s var(--pg-ease),border-color .18s var(--pg-ease),color .18s var(--pg-ease);
}
.pg-btn:hover{text-decoration:none}
.pg-btn-primary{background:linear-gradient(135deg,#1FD1A6,#0FA98A);color:#04140F;box-shadow:var(--pg-glow-sm)}
.pg-btn-primary:hover{color:#04140F;transform:translateY(-1px);box-shadow:var(--pg-glow-lg)}
.pg-btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(31,209,166,.3)}
.pg-btn-ghost{background:transparent;border-color:var(--pg-line);color:var(--pg-text-1)}
.pg-btn-ghost:hover{color:var(--pg-primary);border-color:var(--pg-line-hot);transform:translateY(-1px)}
.pg-btn-ghost:active{transform:translateY(1px)}
.pg-btn:disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed}
.pg-nav-cta{padding:11px 20px;font-size:13px;flex:0 0 auto}

/* ============ 主体 ============ */
.pg-main{padding:26px 0 96px}

/* 面包屑 */
.pg-crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--pg-text-3);margin-bottom:20px}
.pg-crumbs a{color:var(--pg-text-3);text-decoration:none}
.pg-crumbs a:hover{color:var(--pg-primary);text-decoration:underline;text-underline-offset:4px}
.pg-crumb-sep{color:rgba(255,255,255,.18)}
.pg-crumbs .current{color:var(--pg-primary);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章页头 */
.pg-article-head{
  position:relative;overflow:hidden;
  border-radius:var(--pg-r-panel);
  border:1px solid var(--pg-line);
  padding:34px 30px 26px;
  margin-bottom:34px;
  background:
    linear-gradient(180deg,rgba(5,9,15,.86),rgba(10,18,30,.94)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
}
.pg-article-head::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,209,166,.4),transparent);
}
.pg-article-head h1{
  font-size:clamp(26px,4vw,42px);
  font-weight:800;line-height:1.2;letter-spacing:-.01em;
  color:var(--pg-text-1);
  margin-bottom:18px;
  max-width:900px;
}
.pg-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--pg-text-3)}
.pg-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;
  background:var(--pg-primary-soft);
  border:1px solid rgba(31,209,166,.25);
  color:var(--pg-primary);
}
.pg-meta-item{display:inline-flex;align-items:center;gap:6px}
.pg-meta-item i{font-size:12px;color:var(--pg-text-3)}

/* 布局 */
.pg-layout{margin-top:0}

/* 正文排版 */
.pg-content{
  font-size:17px;line-height:1.85;
  color:var(--pg-text-2);
  overflow-wrap:break-word;word-break:break-word;
}
.pg-content p{margin:0 0 1.2em}
.pg-content h2{
  position:relative;
  font-size:clamp(20px,2.4vw,26px);
  line-height:1.35;font-weight:700;color:var(--pg-text-1);
  margin:40px 0 16px;padding-left:18px;
}
.pg-content h2::before{
  content:"";position:absolute;left:0;top:.3em;
  width:4px;height:1.05em;border-radius:4px;background:var(--pg-primary);
}
.pg-content h3{font-size:18px;font-weight:600;color:var(--pg-text-1);margin:28px 0 10px}
.pg-content h4{font-size:16px;font-weight:600;color:var(--pg-text-1);margin:20px 0 8px}
.pg-content ul,.pg-content ol{padding-left:1.4em;line-height:1.8;margin:0 0 1.2em}
.pg-content li{margin-bottom:.45em}
.pg-content blockquote{
  margin:22px 0;padding:14px 18px;
  border-left:3px solid var(--pg-primary);
  background:rgba(31,209,166,.06);
  border-radius:8px;color:var(--pg-text-1);
}
.pg-content blockquote p:last-child{margin-bottom:0}
.pg-content img{border-radius:12px;margin:20px auto;width:auto;max-width:100%}
.pg-content a{color:var(--pg-primary);text-decoration:underline;text-underline-offset:4px}
.pg-content a:hover{color:#4BE3BE;text-decoration:underline}
.pg-content strong{color:var(--pg-text-1);font-weight:600}
.pg-content code{background:var(--pg-surface-2);border-radius:6px;padding:2px 6px;font-size:14px;word-break:break-all}
.pg-content pre{background:var(--pg-surface-2);border:1px solid var(--pg-line);border-radius:12px;padding:16px;overflow-x:auto;margin:20px 0}
.pg-content table{width:100%;border-collapse:collapse;font-size:15px}
.pg-table-scroll{overflow-x:auto;margin:22px 0;border:1px solid var(--pg-line);border-radius:12px;-webkit-overflow-scrolling:touch}
.pg-content table th{
  background:rgba(31,209,166,.12);color:var(--pg-text-1);
  text-align:left;padding:12px 14px;font-weight:600;white-space:nowrap;
}
.pg-content table td{padding:12px 14px;border-top:1px solid var(--pg-line);color:var(--pg-text-2)}
.pg-content table tbody tr:nth-child(even) td{background:rgba(22,35,58,.55)}
.pg-content hr{border:0;border-top:1px solid var(--pg-line);margin:32px 0}

/* 空状态 */
.pg-empty{
  background:var(--pg-surface);
  border:1px dashed var(--pg-line);
  border-radius:var(--pg-r-card);
  padding:56px 24px;text-align:center;
}
.pg-empty i{font-size:32px;color:var(--pg-text-3);margin-bottom:16px;display:block}
.pg-empty h2{font-size:20px;color:var(--pg-text-1);margin-bottom:10px}
.pg-empty p{font-size:15px;color:var(--pg-text-3);margin-bottom:22px;max-width:420px;margin-left:auto;margin-right:auto}

/* 侧栏 */
.pg-sidebar{position:sticky;top:88px}
.pg-side-card{
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-r-card);
  padding:20px;
  margin-bottom:18px;
}
.pg-side-card.pg-side-glow{
  background:linear-gradient(180deg,rgba(31,209,166,.12),rgba(15,26,41,.95));
  border-color:rgba(31,209,166,.32);
  box-shadow:var(--pg-glow-sm);
}
.pg-side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--pg-text-1);
  margin-bottom:14px;
}
.pg-side-title i{font-size:13px;color:var(--pg-primary)}
.pg-side-link{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14px;color:var(--pg-text-2);
  border:1px solid transparent;text-decoration:none;
  transition:background .18s var(--pg-ease),color .18s var(--pg-ease),border-color .18s var(--pg-ease);
}
.pg-side-link i:first-child{font-size:13px;color:var(--pg-text-3);transition:color .18s var(--pg-ease)}
.pg-side-link .pg-side-arrow{margin-left:auto;font-size:11px;color:var(--pg-text-3)}
.pg-side-link:hover{background:var(--pg-primary-soft);color:var(--pg-primary);border-color:rgba(31,209,166,.25);text-decoration:none}
.pg-side-link:hover i{color:var(--pg-primary)}
.pg-side-desc{font-size:14px;color:var(--pg-text-3);margin-bottom:16px;line-height:1.7}
.pg-side-card .pg-btn{width:100%}

/* 卡片 */
.pg-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-r-card);
  overflow:hidden;text-decoration:none;
  transition:transform .2s var(--pg-ease),border-color .2s var(--pg-ease),box-shadow .2s var(--pg-ease);
}
.pg-card:hover{text-decoration:none;border-color:var(--pg-line-hot)}
.pg-card-cover{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;padding:0}
.pg-card-media{padding:10px 10px 0}
.pg-card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px}
.pg-card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1}
.pg-card-tag{
  align-self:flex-start;
  padding:4px 10px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;
  background:var(--pg-primary-soft);color:var(--pg-primary);
  border:1px solid rgba(31,209,166,.2);
}
.pg-card-title{font-size:17px;font-weight:600;line-height:1.4;color:var(--pg-text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pg-card-desc{font-size:14px;line-height:1.65;color:var(--pg-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pg-card-foot{
  margin-top:auto;padding-top:12px;
  border-top:1px solid var(--pg-line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--pg-text-3);
}
.pg-card-foot .pg-read{color:var(--pg-primary);display:inline-flex;align-items:center;gap:6px}
@media (hover:hover){
  .pg-card:hover{transform:translateY(-4px);box-shadow:var(--pg-glow-sm)}
}

/* 板块标题 */
.pg-section-title{
  position:relative;
  font-size:clamp(20px,2.8vw,26px);
  font-weight:700;color:var(--pg-text-1);
  padding-left:18px;margin-bottom:8px;
}
.pg-section-title::before{
  content:"";position:absolute;left:0;top:.32em;
  width:4px;height:1.05em;border-radius:4px;background:var(--pg-primary);
}
.pg-section-sub{font-size:14px;color:var(--pg-text-3);max-width:680px;margin-bottom:24px}

/* 相关推荐 */
.pg-related{margin-top:56px;padding-top:36px;border-top:1px solid var(--pg-line)}

/* 底部动作 */
.pg-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}

/* 浮动 CTA */
.pg-float{
  position:fixed;right:24px;bottom:32px;z-index:1040;
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity .2s var(--pg-ease),transform .2s var(--pg-ease);
}
.pg-float.show{opacity:1;transform:none;pointer-events:auto}
.pg-float-top{
  display:none;place-items:center;width:44px;height:44px;flex:0 0 44px;
  border-radius:12px;border:1px solid var(--pg-line);
  background:rgba(255,255,255,.04);color:var(--pg-text-1);cursor:pointer;
  transition:border-color .18s var(--pg-ease),color .18s var(--pg-ease);
}
.pg-float-top:hover{border-color:var(--pg-line-hot);color:var(--pg-primary)}

/* 页脚 */
.pg-footer{margin-top:40px;background:#03070C;border-top:1px solid var(--pg-line);padding:56px 0 0}
.pg-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.pg-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.pg-footer-brand .pg-logo-mark{width:34px;height:34px;border-radius:10px;font-size:14px}
.pg-footer-brand span{font-size:16px;font-weight:700;color:var(--pg-text-1)}
.pg-footer-text{font-size:14px;line-height:1.8;color:var(--pg-text-3);max-width:320px}
.pg-footer h3{font-size:14px;font-weight:600;color:var(--pg-text-1);margin-bottom:16px;letter-spacing:.02em}
.pg-footer-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.pg-footer-list a{font-size:14px;color:var(--pg-text-3);text-decoration:none}
.pg-footer-list a:hover{color:var(--pg-primary);text-decoration:none}
.pg-footer-note{font-size:13px;line-height:1.8;color:var(--pg-text-3)}
.pg-footer-note strong{color:var(--pg-text-2);font-weight:600}
.pg-footer-bottom{
  margin-top:44px;padding:18px 0 26px;border-top:1px solid var(--pg-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--pg-text-3);
}
.pg-footer-bottom span{line-height:1.7}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .pg-nav-cta{display:none}
}
@media (max-width:991px){
  .pg-container{padding:0 18px}
  .pg-nav-links{display:none}
  .pg-burger{display:inline-flex;margin-left:auto}
  .pg-navcard{height:56px;padding:0 10px}
  .pg-header.pg-scrolled .pg-navcard{height:56px}
  .pg-logo-mark{width:34px;height:34px;border-radius:10px;font-size:14px}
  .pg-logo-text{font-size:16px}
  .pg-main{padding:20px 0 40px}
  .pg-article-head{padding:26px 20px 22px;border-radius:18px}
  .pg-sidebar{position:static}
  .pg-content{font-size:16px;line-height:1.8}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .pg-float{
    left:0;right:0;bottom:0;
    display:flex;align-items:center;gap:10px;
    padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:rgba(10,18,30,.94);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-top:1px solid var(--pg-line);
    transform:translateY(100%);
  }
  .pg-float.show{transform:translateY(0)}
  .pg-float-cta{flex:1 1 auto;width:70%}
  .pg-float-top{display:grid;margin-left:auto}
  body{padding-bottom:88px}
}
@media (max-width:575px){
  .pg-container{padding:0 16px}
  .pg-article-head{padding:22px 16px 18px}
  .pg-crumbs .current{white-space:normal}
  .pg-footer{padding-top:40px}
  .pg-footer-grid{grid-template-columns:1fr;gap:24px}
  .pg-footer-bottom{flex-direction:column;gap:6px}
  .pg-actions .pg-btn{width:100%}
  .pg-mobile-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --pg-bg-0:#05090F;
  --pg-bg-1:#0A121E;
  --pg-footer-bg:#03060B;
  --pg-surface:#0F1A29;
  --pg-surface-2:#16233A;
  --pg-primary:#1FD1A6;
  --pg-primary-dark:#0FA98A;
  --pg-primary-bright:#4BE3BE;
  --pg-primary-soft:rgba(31,209,166,.14);
  --pg-accent:#FFB74A;
  --pg-danger:#FF6B5E;
  --pg-text-1:#EAF2F8;
  --pg-text-2:#A8B6C6;
  --pg-text-3:#6F8093;
  --pg-line:rgba(255,255,255,.08);
  --pg-line-hot:rgba(31,209,166,.35);
  --pg-radius-card:16px;
  --pg-radius-panel:22px;
  --pg-radius-pill:999px;
  --pg-glow-sm:0 0 0 1px rgba(31,209,166,.35), 0 6px 20px rgba(31,209,166,.22);
  --pg-glow-lg:0 0 0 1px rgba(31,209,166,.45), 0 10px 34px rgba(31,209,166,.32);
  --pg-ease:cubic-bezier(.2,.7,.3,1);
  --pg-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --bs-body-bg:var(--pg-bg-0);
  --bs-body-color:var(--pg-text-2);
  --bs-border-color:var(--pg-line);
  --bs-link-color:var(--pg-primary);
  --bs-link-hover-color:var(--pg-primary-bright);
  --bs-font-sans-serif:var(--pg-font);
  --bs-body-font-family:var(--pg-font);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--pg-bg-0);
  color:var(--pg-text-2);
  font-family:var(--pg-font);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--pg-primary);text-decoration:none;transition:color .18s var(--pg-ease);}
a:hover{color:var(--pg-primary-bright);text-decoration:underline;text-underline-offset:4px;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{list-style:none;padding:0;}
button{font:inherit;color:inherit;}
*:focus-visible{outline:2px solid var(--pg-primary);outline-offset:3px;border-radius:6px;}
.pg-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 导航 ============ */
.pg-header{position:sticky;top:0;z-index:50;padding:12px 0 0;transition:padding .2s var(--pg-ease);}
.pg-header.is-scrolled{padding-top:8px;}
.pg-navcard{
  display:flex;
  align-items:center;
  gap:16px;
  height:68px;
  padding:0 16px;
  border-radius:18px;
  background:rgba(15,26,41,.78);
  border:1px solid var(--pg-line);
  box-shadow:0 10px 30px rgba(2,8,16,.45);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:height .2s var(--pg-ease),background .2s var(--pg-ease),box-shadow .2s var(--pg-ease);
}
.pg-header.is-scrolled .pg-navcard{
  height:60px;
  background:rgba(10,18,30,.92);
  box-shadow:0 0 0 1px rgba(31,209,166,.18),0 10px 26px rgba(2,8,16,.6);
}
.pg-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.pg-logo:hover{text-decoration:none;}
.pg-logo-mark{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--pg-primary),#0E8C74);
  color:#04140F;font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:var(--pg-glow-sm);
  flex:0 0 auto;
}
.pg-logo-text{font-size:16px;font-weight:700;color:var(--pg-text-1);white-space:nowrap;}
.pg-nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.pg-nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:12px;
  font-size:13px;font-weight:500;color:var(--pg-text-2);
  border:1px solid transparent;white-space:nowrap;
  transition:background .18s var(--pg-ease),color .18s var(--pg-ease),border-color .18s var(--pg-ease),box-shadow .18s var(--pg-ease);
}
.pg-nav-item i{font-size:12px;opacity:.85;}
.pg-nav-item:hover{background:rgba(255,255,255,.05);color:var(--pg-text-1);text-decoration:none;}
.pg-nav-item.active{
  background:var(--pg-primary-soft);
  color:var(--pg-primary);
  border-color:rgba(31,209,166,.25);
  box-shadow:inset 0 -2px 0 var(--pg-primary);
}
.pg-nav-cta{flex:0 0 auto;}
.pg-burger{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--pg-line);
  color:var(--pg-text-1);align-items:center;justify-content:center;
  transition:background .18s var(--pg-ease),border-color .18s var(--pg-ease);
}
.pg-burger:hover{background:var(--pg-primary-soft);border-color:var(--pg-line-hot);}
.pg-mobile-panel{
  display:none;
  margin-top:10px;padding:14px;
  border-radius:18px;
  background:rgba(10,18,30,.96);
  border:1px solid var(--pg-line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.pg-mobile-panel.is-open{display:block;}
.pg-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.pg-mobile-grid .pg-nav-item{justify-content:flex-start;padding:12px;font-size:13px;background:rgba(255,255,255,.03);border-color:var(--pg-line);}
.pg-mobile-cta{display:flex;justify-content:center;margin-top:12px;width:100%;}
body.pg-lock{overflow:hidden;}

/* ============ 按钮 ============ */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--pg-radius-pill);
  font-size:14px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--pg-ease),box-shadow .18s var(--pg-ease),background .18s var(--pg-ease),border-color .18s var(--pg-ease),color .18s var(--pg-ease);
}
.pg-btn:hover{text-decoration:none;}
.pg-btn-primary{
  background:linear-gradient(135deg,var(--pg-primary),#12B893);
  color:#04140F;box-shadow:var(--pg-glow-sm);
}
.pg-btn-primary:hover{color:#04140F;transform:translateY(-1px);box-shadow:var(--pg-glow-lg);}
.pg-btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(31,209,166,.3);}
.pg-btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:var(--pg-line);
  color:var(--pg-text-1);
}
.pg-btn-ghost:hover{color:var(--pg-primary);border-color:var(--pg-line-hot);background:var(--pg-primary-soft);transform:translateY(-1px);}
.pg-btn-sm{padding:9px 18px;font-size:13px;}

/* ============ 面包屑 ============ */
.pg-crumbs{padding:22px 0 0;font-size:13px;color:var(--pg-text-3);}
.pg-crumbs a{color:var(--pg-text-3);}
.pg-crumbs a:hover{color:var(--pg-primary);}
.pg-crumbs .sep{margin:0 8px;color:rgba(255,255,255,.18);}
.pg-crumbs .current{color:var(--pg-primary);}

/* ============ 页头 ============ */
.pg-pagehead{position:relative;overflow:hidden;padding:44px 0 68px;background:var(--pg-bg-1);border-bottom:1px solid var(--pg-line);}
.pg-pagehead-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.3;
}
.pg-pagehead-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,var(--pg-bg-0) 10%,rgba(5,9,15,.72) 52%,rgba(5,9,15,.94) 100%);
}
.pg-pagehead .pg-container{position:relative;z-index:2;}
.pg-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--pg-radius-pill);
  background:var(--pg-primary-soft);border:1px solid rgba(31,209,166,.28);
  font-size:12px;letter-spacing:.06em;color:var(--pg-primary);margin-bottom:18px;
}
.pg-h1{
  font-size:clamp(30px,5.2vw,50px);
  font-weight:800;line-height:1.15;letter-spacing:-.01em;
  color:var(--pg-text-1);
}
.pg-h1-sub{
  display:block;margin-top:16px;
  font-size:clamp(15px,2vw,19px);font-weight:500;line-height:1.6;
  letter-spacing:0;color:var(--pg-primary);
}
.pg-lead{margin-top:18px;max-width:760px;font-size:16px;line-height:1.85;color:var(--pg-text-2);}
.pg-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pg-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:var(--pg-radius-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--pg-line);
  font-size:12px;color:var(--pg-text-2);
}
.pg-tag i{color:var(--pg-primary);font-size:11px;}

/* ============ 数据条 ============ */
.pg-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px;}
.pg-stat{
  background:var(--pg-surface);border:1px solid var(--pg-line);
  border-radius:var(--pg-radius-card);padding:18px 20px;
  transition:border-color .2s var(--pg-ease),transform .2s var(--pg-ease);
}
.pg-stat:hover{border-color:var(--pg-line-hot);transform:translateY(-3px);}
.pg-stat-num{display:block;font-size:22px;font-weight:800;color:var(--pg-accent);line-height:1.2;}
.pg-stat-label{display:block;margin-top:8px;font-size:13px;color:var(--pg-text-3);line-height:1.6;}

/* ============ 板块 ============ */
.pg-section{padding:88px 0;position:relative;}
.pg-section--alt{background:var(--pg-bg-1);border-top:1px solid var(--pg-line);border-bottom:1px solid var(--pg-line);}
.pg-sec-head{max-width:720px;margin-bottom:42px;}
.pg-sec-title{
  position:relative;padding-left:20px;
  font-size:clamp(22px,3.2vw,34px);font-weight:700;line-height:1.25;
  color:var(--pg-text-1);
}
.pg-sec-title::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;
  background:var(--pg-primary);box-shadow:0 0 12px rgba(31,209,166,.6);
}
.pg-sec-sub{margin-top:12px;color:var(--pg-text-2);font-size:15px;max-width:680px;}

/* ============ 图文卡 ============ */
.pg-card{
  height:100%;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius-card);
  padding:24px;
  transition:transform .2s var(--pg-ease),border-color .2s var(--pg-ease),box-shadow .2s var(--pg-ease);
}
@media (hover:hover){
  .pg-card:hover{transform:translateY(-4px);border-color:var(--pg-line-hot);box-shadow:0 18px 40px rgba(2,10,20,.55),0 0 0 1px rgba(31,209,166,.14);}
}
.pg-card-figure{margin:-6px 0 18px;}
.pg-card-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;
  border:1px solid var(--pg-line);
  background:var(--pg-surface-2);
}
.pg-card-icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;margin-bottom:16px;
  background:var(--pg-primary-soft);border:1px solid rgba(31,209,166,.24);
  color:var(--pg-primary);font-size:17px;
}
.pg-card h3{font-size:18px;font-weight:600;line-height:1.35;color:var(--pg-text-1);margin-bottom:10px;}
.pg-card p{font-size:14px;line-height:1.8;color:var(--pg-text-2);}
.pg-card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:14px;border-top:1px solid var(--pg-line);}
.pg-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:var(--pg-radius-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--pg-line);
  font-size:12px;color:var(--pg-text-3);
}
.pg-chip b{color:var(--pg-accent);font-weight:700;}

/* ============ 提示条 ============ */
.pg-notice{
  display:flex;align-items:center;gap:16px;
  margin-top:28px;padding:18px 22px;
  border-radius:var(--pg-radius-card);
  background:linear-gradient(90deg,rgba(255,107,94,.12),rgba(255,107,94,.03));
  border:1px solid rgba(255,107,94,.3);
}
.pg-notice i{font-size:20px;color:var(--pg-danger);flex:0 0 auto;}
.pg-notice p{font-size:14px;line-height:1.7;color:var(--pg-text-2);flex:1 1 auto;margin:0;}
.pg-notice a{font-size:13px;font-weight:600;white-space:nowrap;}

/* ============ 参数对比表 ============ */
.pg-table-wrap{
  overflow-x:auto;
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius-card);
  background:var(--pg-surface);
  box-shadow:0 14px 34px rgba(2,8,16,.35);
}
table.pg-table{width:100%;min-width:880px;border-collapse:collapse;font-size:14px;}
.pg-table thead th{
  padding:16px 18px;text-align:left;white-space:nowrap;
  background:linear-gradient(180deg,rgba(31,209,166,.2),rgba(31,209,166,.07));
  color:var(--pg-text-1);font-weight:600;
  border-bottom:1px solid rgba(31,209,166,.28);
  font-size:13px;letter-spacing:.03em;
}
.pg-table tbody td{
  padding:15px 18px;color:var(--pg-text-2);
  border-bottom:1px solid rgba(255,255,255,.05);
  vertical-align:top;
}
.pg-table tbody tr:nth-child(even){background:var(--pg-surface-2);}
.pg-table tbody tr:hover{background:rgba(31,209,166,.07);}
.pg-table tbody tr:last-child td{border-bottom:none;}
.pg-table td strong{color:var(--pg-text-1);font-weight:600;}
.pg-table td .pg-cell-ok{color:var(--pg-primary);}
.pg-table td .pg-cell-accent{color:var(--pg-accent);font-weight:700;}
.pg-table-note{margin-top:16px;font-size:13px;color:var(--pg-text-3);}

/* ============ 相关入口卡 ============ */
.pg-entry-card{
  display:flex;align-items:center;gap:14px;height:100%;
  padding:18px 20px;border-radius:var(--pg-radius-card);
  background:var(--pg-surface);border:1px solid var(--pg-line);
  transition:transform .2s var(--pg-ease),border-color .2s var(--pg-ease),background .2s var(--pg-ease);
}
.pg-entry-card:hover{transform:translateY(-4px);border-color:var(--pg-line-hot);background:var(--pg-surface-2);text-decoration:none;}
.pg-entry-card .ico{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:var(--pg-primary-soft);color:var(--pg-primary);font-size:15px;flex:0 0 auto;
}
.pg-entry-card .txt{flex:1 1 auto;min-width:0;}
.pg-entry-card .txt b{display:block;font-size:15px;font-weight:600;color:var(--pg-text-1);}
.pg-entry-card .txt span{display:block;margin-top:4px;font-size:12px;color:var(--pg-text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pg-entry-card .arrow{color:var(--pg-text-3);font-size:13px;flex:0 0 auto;}
.pg-entry-card:hover .arrow{color:var(--pg-primary);}

/* ============ CTA 面板 ============ */
.pg-cta{
  position:relative;overflow:hidden;
  padding:52px 40px;border-radius:var(--pg-radius-panel);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 24px 56px rgba(2,8,16,.55);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  text-align:center;
}
.pg-cta::after{
  content:"";position:absolute;left:50%;top:-120px;width:420px;height:280px;transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(31,209,166,.34),transparent 70%);
  pointer-events:none;
}
.pg-cta h2{position:relative;z-index:2;font-size:clamp(22px,3.2vw,32px);font-weight:700;color:var(--pg-text-1);line-height:1.3;}
.pg-cta p{position:relative;z-index:2;margin:14px auto 0;max-width:640px;font-size:15px;line-height:1.8;color:var(--pg-text-2);}
.pg-cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;}
.pg-cta-note{position:relative;z-index:2;margin-top:20px;font-size:13px;color:var(--pg-text-3);}

/* ============ 页脚 ============ */
.pg-footer{background:var(--pg-footer-bg);border-top:1px solid var(--pg-line);padding:64px 0 28px;margin-top:0;}
.pg-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.pg-footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--pg-text-3);max-width:320px;}
.pg-footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.pg-badge{
  padding:5px 12px;border-radius:var(--pg-radius-pill);
  background:var(--pg-primary-soft);border:1px solid rgba(31,209,166,.22);
  font-size:12px;color:var(--pg-primary);
}
.pg-footer-col h3{font-size:15px;font-weight:600;color:var(--pg-text-1);margin-bottom:16px;}
.pg-footer-col li{margin-bottom:11px;font-size:13px;color:var(--pg-text-3);line-height:1.7;}
.pg-footer-col a{color:var(--pg-text-3);}
.pg-footer-col a:hover{color:var(--pg-primary);}
.pg-footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--pg-line);
  font-size:12px;color:var(--pg-text-3);
}
.pg-footer-bottom i{color:var(--pg-primary);margin-right:6px;}

/* ============ 浮动 CTA ============ */
.pg-float-cta{
  position:fixed;right:24px;bottom:32px;z-index:60;
  display:flex;align-items:center;gap:10px;
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity .15s var(--pg-ease),transform .15s var(--pg-ease);
}
.pg-float-cta.is-visible{opacity:1;transform:none;pointer-events:auto;}
.pg-to-top{
  display:none;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid var(--pg-line);color:var(--pg-text-1);
}
.pg-to-top:hover{border-color:var(--pg-line-hot);color:var(--pg-primary);text-decoration:none;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .pg-nav-item{padding:8px 11px;}
}
@media (max-width:991px){
  .pg-nav-links,.pg-nav-cta{display:none;}
  .pg-burger{display:inline-flex;}
  .pg-navcard{justify-content:space-between;}
  .pg-section{padding:64px 0;}
  .pg-footer-grid{grid-template-columns:1fr 1fr;}
  .pg-cta{padding:40px 24px;}
  .pg-float-cta{
    left:0;right:0;bottom:0;gap:12px;padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:rgba(10,18,30,.94);border-top:1px solid var(--pg-line);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    opacity:1;transform:none;pointer-events:auto;
  }
  .pg-float-cta .pg-btn-primary{flex:0 0 70%;}
  .pg-to-top{display:inline-flex;flex:1 1 auto;border-radius:12px;height:44px;width:auto;}
  body{padding-bottom:84px;}
}
@media (max-width:767px){
  .pg-container{padding:0 16px;}
  .pg-section{padding:52px 0;}
  .pg-pagehead{padding:32px 0 52px;}
  .pg-stats{grid-template-columns:1fr 1fr;gap:12px;}
  .pg-footer-grid{grid-template-columns:1fr;gap:28px;}
  .pg-footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .pg-notice{flex-wrap:wrap;gap:12px;}
  .pg-notice a{white-space:normal;}
}
@media (max-width:575px){
  .pg-mobile-grid{grid-template-columns:1fr;}
  .pg-cta-actions .pg-btn{width:100%;}
  .pg-h1-sub{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
/* ============================================================
   PG官方入口 · 设计令牌
   主色取青玉绿，价值与数据用琥珀金，珊瑚红仅用于提示
   ============================================================ */
:root{
  --pg-bg-0:#05090F;
  --pg-bg-1:#0A121E;
  --pg-surface:#0F1A29;
  --pg-surface-2:#16233A;
  --pg-primary:#1FD1A6;
  --pg-primary-dark:#0FA98A;
  --pg-primary-soft:rgba(31,209,166,.14);
  --pg-accent:#FFB74A;
  --pg-danger:#FF6B5E;
  --pg-text-1:#EAF2F8;
  --pg-text-2:#A8B6C6;
  --pg-text-3:#6F8093;
  --pg-line:rgba(255,255,255,.08);
  --pg-line-hot:rgba(31,209,166,.35);
  --pg-glow-sm:0 0 0 1px rgba(31,209,166,.35),0 6px 20px rgba(31,209,166,.22);
  --pg-glow-lg:0 0 0 1px rgba(31,209,166,.45),0 10px 34px rgba(31,209,166,.32);
  --pg-radius:16px;
  --pg-radius-lg:22px;
  --pg-ease:cubic-bezier(.2,.7,.3,1);
  --pg-section-y:88px;

  --bs-body-bg:#05090F;
  --bs-body-color:#A8B6C6;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#1FD1A6;
  --bs-link-hover-color:#4BE3BE;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ============================ 基础 reset ============================ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--pg-bg-0);
  color:var(--pg-text-2);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;object-fit:cover}
a{color:var(--pg-primary);text-decoration:none;transition:color 180ms var(--pg-ease)}
a:hover{color:#4BE3BE}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
*:focus-visible{outline:2px solid var(--pg-primary);outline-offset:3px;border-radius:6px}

.pg-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============================ 链接与按钮 ============================ */
.pg-link{color:var(--pg-primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;text-decoration-color:rgba(31,209,166,.5)}
.pg-link:hover{color:#4BE3BE;text-decoration-color:#4BE3BE}

.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform 180ms var(--pg-ease),box-shadow 180ms var(--pg-ease),background-color 180ms var(--pg-ease),border-color 180ms var(--pg-ease),color 180ms var(--pg-ease);
}
.pg-btn-primary{background:linear-gradient(135deg,#25DDB0,#0FA98A);color:#04231C;box-shadow:var(--pg-glow-sm)}
.pg-btn-primary:hover{color:#04231C;transform:translateY(-1px);box-shadow:var(--pg-glow-lg);filter:brightness(1.06)}
.pg-btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(31,209,166,.3),0 4px 12px rgba(31,209,166,.18)}
.pg-btn-ghost{background:rgba(255,255,255,.03);border-color:var(--pg-line);color:var(--pg-text-1)}
.pg-btn-ghost:hover{border-color:var(--pg-line-hot);background:rgba(31,209,166,.08);color:var(--pg-text-1);transform:translateY(-1px)}
.pg-btn-ghost:active{transform:translateY(1px)}
.pg-btn-sm{padding:10px 18px;font-size:13px}

/* ============================ 顶部导航 ============================ */
.pg-header{
  position:sticky;top:0;z-index:1030;
  padding:14px 0;
  transition:padding 200ms var(--pg-ease);
}
.pg-header.pg-scrolled{padding:8px 0}
.pg-navcard{
  display:flex;align-items:center;gap:14px;
  height:68px;padding:0 14px 0 16px;
  border-radius:18px;
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--pg-line);
  border-top-color:rgba(255,255,255,.12);
  box-shadow:0 6px 24px rgba(31,209,166,.08);
  transition:height 200ms var(--pg-ease),box-shadow 200ms var(--pg-ease),background-color 200ms var(--pg-ease);
}
.pg-header.pg-scrolled .pg-navcard{
  height:60px;
  background:rgba(10,18,30,.88);
  box-shadow:0 8px 28px rgba(31,209,166,.14);
}
.pg-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.pg-logo-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#25DDB0,#0FA98A);
  color:#04231C;font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(31,209,166,.5),0 6px 18px rgba(31,209,166,.3);
}
.pg-logo-text{font-size:16px;font-weight:700;color:var(--pg-text-1);letter-spacing:.01em;white-space:nowrap}
.pg-nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none}
.pg-nav-links::-webkit-scrollbar{display:none}
.pg-nav-item{
  display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;
  font-size:13px;font-weight:500;color:var(--pg-text-2);
  padding:9px 14px;border-radius:12px;border:1px solid transparent;
  text-decoration:none;white-space:nowrap;
  transition:background-color 180ms var(--pg-ease),color 180ms var(--pg-ease),border-color 180ms var(--pg-ease);
}
.pg-nav-item i{font-size:12px;color:var(--pg-text-3);transition:color 180ms var(--pg-ease)}
.pg-nav-item:hover{background:rgba(255,255,255,.05);color:var(--pg-text-1);border-color:var(--pg-line)}
.pg-nav-item:hover i{color:var(--pg-primary)}
.pg-nav-item.active{
  background:var(--pg-primary-soft);color:var(--pg-primary);
  border-color:rgba(31,209,166,.28);
  box-shadow:inset 0 -2px 0 0 var(--pg-primary);
}
.pg-nav-item.active i{color:var(--pg-primary)}
.pg-nav-cta{flex:0 0 auto;padding:11px 20px;font-size:13px}
.pg-burger{
  display:none;flex:0 0 auto;
  width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--pg-line);
  color:var(--pg-text-1);font-size:16px;cursor:pointer;
  transition:border-color 180ms var(--pg-ease),background-color 180ms var(--pg-ease);
}
.pg-burger:hover{border-color:var(--pg-line-hot);background:var(--pg-primary-soft);color:var(--pg-primary)}
.pg-mobile-panel{
  display:none;
  margin-top:12px;padding:16px;
  border-radius:18px;
  background:rgba(15,26,41,.96);
  backdrop-filter:blur(18px);
  border:1px solid var(--pg-line);
  box-shadow:0 10px 30px rgba(31,209,166,.12);
}
.pg-mobile-panel.pg-open{display:block}
.pg-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pg-mobile-grid .pg-nav-item{justify-content:flex-start;padding:12px 14px;background:rgba(255,255,255,.03);border-color:var(--pg-line)}
.pg-mobile-cta{width:100%;margin-top:14px}

/* ============================ 面包屑 ============================ */
.pg-crumb{padding:26px 0 0;font-size:13px;color:var(--pg-text-3)}
.pg-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.pg-crumb li{display:inline-flex;align-items:center;gap:8px}
.pg-crumb li+li::before{content:"/";color:var(--pg-text-3);opacity:.6}
.pg-crumb a{color:var(--pg-text-3)}
.pg-crumb a:hover{color:var(--pg-primary)}
.pg-crumb .pg-crumb-now{color:var(--pg-primary)}

/* ============================ 内页页头 ============================ */
.pg-hero{position:relative;overflow:hidden;padding:44px 0 60px;border-bottom:1px solid var(--pg-line)}
.pg-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.22;
}
.pg-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,15,.55) 0%,rgba(5,9,15,.88) 62%,var(--pg-bg-0) 100%);
}
.pg-hero-inner{position:relative;z-index:2;max-width:840px}
.pg-brandline{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;border-radius:999px;
  background:var(--pg-primary-soft);
  border:1px solid rgba(31,209,166,.3);
  color:var(--pg-primary);font-size:12px;font-weight:600;letter-spacing:.06em;
  margin-bottom:20px;
}
.pg-brandline i{font-size:11px}
.pg-h1{
  font-size:clamp(30px,5.6vw,54px);
  font-weight:800;line-height:1.15;letter-spacing:-.01em;
  color:var(--pg-text-1);margin-bottom:18px;
}
.pg-hero-lead{font-size:17px;line-height:1.8;color:var(--pg-text-2);max-width:680px;margin-bottom:26px}
.pg-hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.pg-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--pg-line);
  font-size:13px;color:var(--pg-text-2);
}
.pg-tag i{color:var(--pg-primary);font-size:12px}
.pg-tag strong{color:var(--pg-text-1);font-weight:600}

/* ============================ 板块通用 ============================ */
.pg-section{padding:var(--pg-section-y) 0}
.pg-section--alt{background:var(--pg-bg-1)}
.pg-sec-head{max-width:760px;margin-bottom:44px}
.pg-sec-title{
  position:relative;
  font-size:clamp(22px,3.2vw,34px);font-weight:700;line-height:1.25;
  color:var(--pg-text-1);padding-left:18px;margin-bottom:14px;
}
.pg-sec-title::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--pg-primary),rgba(31,209,166,.15));
}
.pg-sec-sub{font-size:15px;color:var(--pg-text-2);max-width:680px}

/* ============================ 时间线 ============================ */
.pg-timeline{position:relative;margin-top:8px}
.pg-timeline::before{
  content:"";position:absolute;left:25px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,rgba(31,209,166,.6),rgba(31,209,166,.06));
}
.pg-tl-item{
  position:relative;
  display:grid;grid-template-columns:52px 1fr;gap:22px;
  padding-bottom:26px;
}
.pg-tl-item:last-child{padding-bottom:0}
.pg-tl-num{
  position:relative;z-index:1;
  width:52px;height:52px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--pg-surface-2);
  border:1px solid rgba(255,183,74,.32);
  color:var(--pg-accent);
  font-size:16px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 0 0 6px var(--pg-bg-0);
}
.pg-section--alt .pg-tl-num{box-shadow:0 0 0 6px var(--pg-bg-1)}
.pg-tl-card{
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  padding:24px 26px;
  transition:border-color 200ms var(--pg-ease),transform 200ms var(--pg-ease),box-shadow 200ms var(--pg-ease);
}
@media (hover:hover){
  .pg-tl-card:hover{border-color:var(--pg-line-hot);transform:translateY(-3px);box-shadow:0 8px 26px rgba(31,209,166,.12)}
}
.pg-tl-title{font-size:18px;font-weight:600;color:var(--pg-text-1);line-height:1.4;margin-bottom:10px}
.pg-tl-text{font-size:15px;line-height:1.8;color:var(--pg-text-2);margin-bottom:16px}
.pg-tl-meta{
  display:flex;flex-wrap:wrap;gap:10px;
  padding-top:14px;border-top:1px dashed var(--pg-line);
}
.pg-tl-chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:var(--pg-text-3);
  padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--pg-line);
}
.pg-tl-chip i{color:var(--pg-primary);font-size:11px}
.pg-tl-chip.pg-chip-warn i{color:var(--pg-danger)}

/* ============================ 细节卡片 ============================ */
.pg-detail-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pg-detail-card{
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  padding:26px 24px;
  transition:border-color 200ms var(--pg-ease),transform 200ms var(--pg-ease),box-shadow 200ms var(--pg-ease);
}
@media (hover:hover){
  .pg-detail-card:hover{border-color:var(--pg-line-hot);transform:translateY(-3px);box-shadow:0 8px 26px rgba(31,209,166,.1)}
}
.pg-detail-ico{
  width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--pg-primary-soft);color:var(--pg-primary);
  font-size:17px;margin-bottom:18px;
}
.pg-detail-title{font-size:17px;font-weight:600;color:var(--pg-text-1);line-height:1.4;margin-bottom:10px}
.pg-detail-text{font-size:14px;line-height:1.75;color:var(--pg-text-2)}

/* ============================ 演示图文 ============================ */
.pg-split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.pg-split-media{
  border-radius:var(--pg-radius-lg);
  overflow:hidden;
  border:1px solid var(--pg-line);
  border-top-color:rgba(255,255,255,.14);
  box-shadow:0 12px 34px rgba(31,209,166,.10);
  aspect-ratio:16/10;
}
.pg-split-media img{width:100%;height:100%;border-radius:0}
.pg-split-body h3{font-size:22px;font-weight:700;color:var(--pg-text-1);line-height:1.35;margin-bottom:14px}
.pg-split-body p{font-size:15px;line-height:1.85;color:var(--pg-text-2);margin-bottom:16px}
.pg-check-list{display:grid;gap:12px;margin-top:20px}
.pg-check-item{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.7;color:var(--pg-text-2)}
.pg-check-item i{color:var(--pg-primary);font-size:13px;margin-top:5px;flex:0 0 auto}
.pg-check-item strong{color:var(--pg-text-1);font-weight:600}

/* ============================ 数据条 ============================ */
.pg-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius-lg);
  padding:34px 32px;
}
.pg-stat{position:relative;padding-left:18px}
.pg-stat::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(255,183,74,.75),rgba(255,183,74,.1));
}
.pg-stat-num{
  font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.1;
  color:var(--pg-accent);letter-spacing:-.01em;
}
.pg-stat-num span{font-size:15px;font-weight:600;margin-left:4px;color:var(--pg-accent);opacity:.85}
.pg-stat-label{font-size:13px;color:var(--pg-text-3);margin-top:8px}

/* ============================ FAQ ============================ */
.pg-faq{display:grid;gap:12px;max-width:900px}
.pg-faq-item{
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  background:var(--pg-surface);
  overflow:hidden;
  transition:border-color 180ms var(--pg-ease),background-color 180ms var(--pg-ease);
}
.pg-faq-item.pg-open{background:var(--pg-surface-2);border-color:var(--pg-line-hot)}
.pg-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--pg-text-1);line-height:1.5;
}
.pg-faq-q i{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:var(--pg-primary-soft);color:var(--pg-primary);font-size:12px;
  transition:transform 180ms var(--pg-ease);
}
.pg-faq-item.pg-open .pg-faq-q i{transform:rotate(45deg)}
.pg-faq-a{max-height:0;overflow:hidden;transition:max-height 220ms var(--pg-ease)}
.pg-faq-a-inner{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--pg-text-2)}

/* ============================ 分类入口卡 ============================ */
.pg-entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pg-entry-card{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  text-decoration:none;
  transition:border-color 200ms var(--pg-ease),transform 200ms var(--pg-ease),box-shadow 200ms var(--pg-ease),background-color 200ms var(--pg-ease);
}
@media (hover:hover){
  .pg-entry-card:hover{border-color:var(--pg-line-hot);transform:translateY(-3px);box-shadow:0 8px 24px rgba(31,209,166,.12);background:var(--pg-surface-2)}
}
.pg-entry-card.pg-entry-cur{border-color:rgba(31,209,166,.4);background:var(--pg-primary-soft)}
.pg-entry-ico{
  width:44px;height:44px;border-radius:13px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--pg-primary-soft);color:var(--pg-primary);font-size:16px;
}
.pg-entry-body{min-width:0}
.pg-entry-title{font-size:15px;font-weight:600;color:var(--pg-text-1);line-height:1.4;white-space:nowrap}
.pg-entry-desc{font-size:12.5px;color:var(--pg-text-3);line-height:1.5;white-space:nowrap}
.pg-entry-arrow{margin-left:auto;color:var(--pg-text-3);font-size:12px;transition:color 200ms var(--pg-ease),transform 200ms var(--pg-ease)}
.pg-entry-card:hover .pg-entry-arrow{color:var(--pg-primary);transform:translateX(3px)}

/* ============================ 尾部 CTA ============================ */
.pg-cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--pg-radius-lg);
  padding:56px 40px;
  text-align:center;
  background:linear-gradient(135deg,rgba(31,209,166,.15),rgba(255,183,74,.05)),var(--pg-surface);
  border:1px solid rgba(31,209,166,.3);
  box-shadow:0 14px 40px rgba(31,209,166,.14);
}
.pg-cta-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,209,166,.22),transparent 68%);
  pointer-events:none;
}
.pg-cta-inner{position:relative;z-index:2;max-width:660px;margin:0 auto}
.pg-cta-title{font-size:clamp(22px,3.2vw,32px);font-weight:700;color:var(--pg-text-1);line-height:1.3;margin-bottom:14px}
.pg-cta-text{font-size:15px;line-height:1.8;color:var(--pg-text-2);margin-bottom:28px}
.pg-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.pg-cta-note{margin-top:22px;font-size:12.5px;color:var(--pg-text-3)}

/* ============================ 页脚 ============================ */
.pg-footer{
  background:#03070C;
  border-top:1px solid var(--pg-line);
  padding-top:64px;
  margin-top:0;
}
.pg-footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:44px;
  padding-bottom:44px;
}
.pg-footer-brand .pg-logo{margin-bottom:16px}
.pg-footer-text{font-size:14px;line-height:1.8;color:var(--pg-text-3);max-width:320px}
.pg-footer-title{font-size:14px;font-weight:700;color:var(--pg-text-1);margin-bottom:18px;letter-spacing:.02em}
.pg-footer-list{display:grid;gap:11px}
.pg-footer-list a{font-size:14px;color:var(--pg-text-3)}
.pg-footer-list a:hover{color:var(--pg-primary)}
.pg-footer-list li{font-size:14px;color:var(--pg-text-3);line-height:1.7}
.pg-footer-feedback{
  display:flex;align-items:center;gap:9px;
  font-size:13px;color:var(--pg-text-3);
  padding:14px 0;
}
.pg-footer-feedback i{color:var(--pg-primary);font-size:12px}
.pg-footer-bottom{
  border-top:1px solid var(--pg-line);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--pg-text-3);
}
.pg-footer-bottom a{color:var(--pg-text-3)}
.pg-footer-bottom a:hover{color:var(--pg-primary)}

/* ============================ 浮动 CTA ============================ */
.pg-float-cta{
  position:fixed;right:24px;bottom:32px;z-index:1040;
  display:flex;align-items:center;gap:10px;
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity 180ms var(--pg-ease),transform 180ms var(--pg-ease);
}
.pg-float-cta.pg-show{opacity:1;transform:translateY(0);pointer-events:auto}
.pg-top-btn{display:none;width:46px;height:46px;padding:0;border-radius:50%}

/* ============================ 响应式 ============================ */
@media (max-width:1199px){
  :root{--pg-section-y:72px}
  .pg-detail-grid{grid-template-columns:repeat(2,1fr)}
  .pg-entry-grid{grid-template-columns:repeat(2,1fr)}
  .pg-footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:36px}
  .pg-footer-col-contact{grid-column:1 / -1}
}
@media (max-width:991px){
  :root{--pg-section-y:64px}
  .pg-nav-links{display:none}
  .pg-nav-cta{display:none}
  .pg-burger{display:flex;align-items:center;justify-content:center}
  .pg-navcard{justify-content:space-between}
  .pg-split{grid-template-columns:1fr;gap:28px}
  .pg-stats{grid-template-columns:repeat(2,1fr);gap:26px;padding:28px 24px}
  body{padding-bottom:88px}
  .pg-float-cta{
    left:0;right:0;bottom:0;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
    background:rgba(10,18,30,.94);
    backdrop-filter:blur(18px);
    border-top:1px solid var(--pg-line);
    gap:12px;
  }
  .pg-float-cta .pg-btn-primary{flex:1 1 70%}
  .pg-top-btn{display:flex;flex:0 0 auto}
}
@media (max-width:767px){
  :root{--pg-section-y:52px}
  .pg-container{padding:0 16px}
  body{font-size:15px}
  .pg-hero{padding:32px 0 46px}
  .pg-hero-lead{font-size:16px}
  .pg-tl-item{grid-template-columns:44px 1fr;gap:16px}
  .pg-tl-num{width:44px;height:44px;border-radius:13px;font-size:14px}
  .pg-timeline::before{left:21px}
  .pg-tl-card{padding:20px 18px}
  .pg-detail-grid{grid-template-columns:1fr}
  .pg-entry-grid{grid-template-columns:1fr}
  .pg-stats{grid-template-columns:1fr 1fr;gap:22px;padding:24px 20px}
  .pg-footer-grid{grid-template-columns:1fr;gap:32px}
  .pg-footer-col-contact{grid-column:auto}
  .pg-cta-panel{padding:38px 22px}
  .pg-faq-q{padding:17px 18px;font-size:15px}
  .pg-faq-a-inner{padding:0 18px 18px}
}
@media (max-width:575px){
  .pg-stats{grid-template-columns:1fr}
  .pg-mobile-grid{grid-template-columns:1fr}
  .pg-hero-tags .pg-tag{font-size:12px;padding:8px 13px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* roulang page: category4 */
:root{
  /* 设计令牌：青玉绿主色体系，暗场底色，琥珀金用于数值强调 */
  --pg-bg-0:#05090F;
  --pg-bg-1:#0A121E;
  --pg-surface:#0F1A29;
  --pg-surface-2:#16233A;
  --pg-primary:#1FD1A6;
  --pg-primary-dark:#0FA98A;
  --pg-primary-soft:rgba(31,209,166,.14);
  --pg-accent:#FFB74A;
  --pg-danger:#FF6B5E;
  --pg-text-1:#EAF2F8;
  --pg-text-2:#A8B6C6;
  --pg-text-3:#6F8093;
  --pg-line:rgba(255,255,255,.08);
  --pg-line-hot:rgba(31,209,166,.35);
  --pg-glass:rgba(255,255,255,.06);
  --pg-glow-sm:0 0 0 1px rgba(31,209,166,.35), 0 6px 20px rgba(31,209,166,.22);
  --pg-glow-lg:0 0 0 1px rgba(31,209,166,.45), 0 10px 34px rgba(31,209,166,.32);
  --pg-radius:16px;
  --pg-radius-lg:22px;
  --pg-ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#05090F;
  --bs-body-color:#A8B6C6;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#1FD1A6;
  --bs-link-hover-color:#4BE3BE;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--pg-bg-0);
  color:var(--pg-text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--pg-primary);text-decoration:none;transition:color 180ms var(--pg-ease)}
a:hover{color:#4BE3BE}
h1,h2,h3,h4{margin:0;color:var(--pg-text-1);font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
*:focus-visible{outline:2px solid var(--pg-primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(31,209,166,.3);color:#fff}

.pg-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.pg-header{position:sticky;top:0;z-index:1030;padding:14px 0;transition:padding 200ms var(--pg-ease)}
.pg-navcard{
  display:flex;align-items:center;gap:18px;
  height:68px;padding:0 16px;
  background:rgba(255,255,255,.06);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid var(--pg-line);
  border-top:1px solid rgba(255,255,255,.12);
  border-radius:18px;
  transition:height 200ms var(--pg-ease),box-shadow 200ms var(--pg-ease),background 200ms var(--pg-ease);
}
.pg-header.is-scrolled .pg-navcard{height:60px;background:rgba(10,18,30,.86);box-shadow:0 8px 26px rgba(31,209,166,.12)}
.pg-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.pg-logo-mark{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--pg-primary),var(--pg-primary-dark));
  color:#04201A;font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:var(--pg-glow-sm);
}
.pg-logo-text{color:var(--pg-text-1);font-weight:700;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.pg-nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center}
.pg-nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:12px;
  font-size:13px;color:var(--pg-text-2);
  border:1px solid transparent;
  transition:all 180ms var(--pg-ease);white-space:nowrap;
}
.pg-nav-item i{font-size:12px;color:var(--pg-text-3);transition:color 180ms var(--pg-ease)}
.pg-nav-item:hover{background:var(--pg-primary-soft);color:var(--pg-primary);border-color:var(--pg-line-hot)}
.pg-nav-item:hover i{color:var(--pg-primary)}
.pg-nav-item.active{background:var(--pg-primary-soft);color:var(--pg-primary);border-color:var(--pg-line-hot);box-shadow:inset 0 -2px 0 var(--pg-primary)}
.pg-nav-item.active i{color:var(--pg-primary)}
.pg-burger{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:12px;
  background:var(--pg-surface);border:1px solid var(--pg-line);color:var(--pg-text-1);font-size:16px;
}
.pg-mobile-panel{
  display:none;margin-top:12px;padding:16px;
  background:rgba(10,18,30,.95);
  border:1px solid var(--pg-line);border-radius:18px;
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
}
.pg-mobile-panel.open{display:block}
.pg-mobile-grid{display:grid;grid-template-columns:1fr;gap:8px;margin-bottom:12px}
.pg-mobile-grid .pg-nav-item{width:100%;justify-content:flex-start}
.pg-mobile-cta{width:100%;justify-content:center}

/* ---------- 按钮 ---------- */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all 180ms var(--pg-ease);
}
.pg-btn-primary{background:var(--pg-primary);color:#04201A;box-shadow:var(--pg-glow-sm)}
.pg-btn-primary:hover{background:#3ADCB6;color:#04201A;transform:translateY(-1px);box-shadow:var(--pg-glow-lg)}
.pg-btn-primary:active{transform:translateY(1px);box-shadow:none}
.pg-btn-ghost{background:transparent;color:var(--pg-text-1);border-color:var(--pg-line)}
.pg-btn-ghost:hover{border-color:var(--pg-line-hot);color:var(--pg-primary);background:var(--pg-primary-soft);transform:translateY(-1px)}
.pg-btn-sm{padding:9px 18px;font-size:13px}
.pg-nav-cta{flex:0 0 auto;padding:10px 20px;font-size:13px}

/* ---------- 面包屑与页头 ---------- */
.pg-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--pg-text-3);padding:22px 0 0}
.pg-crumb a{color:var(--pg-text-3)}
.pg-crumb a:hover{color:var(--pg-primary)}
.pg-crumb .sep{opacity:.5}
.pg-crumb .now{color:var(--pg-primary)}

.pg-pagehead{position:relative;overflow:hidden;padding:34px 0 56px}
.pg-pagehead::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.34;
}
.pg-pagehead::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,15,.55) 0%,rgba(5,9,15,.92) 62%,var(--pg-bg-0) 100%);
}
.pg-pagehead>.pg-container{position:relative;z-index:2}
.pg-pagehead h1{
  font-size:clamp(30px,5.6vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.01em;
  max-width:760px;
}
.pg-pagehead .pg-lead{margin-top:14px;max-width:680px;color:var(--pg-text-2);font-size:16px}
.pg-tagrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pg-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:12px;letter-spacing:.04em;
  background:var(--pg-primary-soft);color:var(--pg-primary);border:1px solid var(--pg-line-hot);
}
.pg-tag i{font-size:11px}

/* ---------- 指标条 ---------- */
.pg-stats{background:var(--pg-bg-1);padding:52px 0}
.pg-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pg-stat{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--pg-radius);
  padding:22px 20px;transition:all 200ms var(--pg-ease);
}
.pg-stat:hover{border-color:var(--pg-line-hot);transform:translateY(-4px)}
.pg-stat b{display:block;color:var(--pg-accent);font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.2}
.pg-stat span{display:block;margin-top:6px;font-size:13px;color:var(--pg-text-3)}

/* ---------- 板块通用 ---------- */
.pg-section{padding:88px 0}
.pg-section.alt{background:var(--pg-bg-1)}
.pg-sec-head{margin-bottom:44px}
.pg-sec-head h2{
  font-size:clamp(22px,3.2vw,34px);font-weight:700;line-height:1.25;
  display:flex;align-items:center;gap:14px;
}
.pg-sec-head h2::before{
  content:"";width:4px;height:28px;border-radius:999px;background:var(--pg-primary);flex:0 0 auto;
}
.pg-sec-head p{margin-top:12px;max-width:680px;color:var(--pg-text-2);font-size:15px}

/* ---------- 分组清单 ---------- */
.pg-checklist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pg-checklist{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--pg-radius);
  padding:28px 24px;transition:all 200ms var(--pg-ease);
}
.pg-checklist:hover{border-color:var(--pg-line-hot);transform:translateY(-4px)}
.pg-checklist-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.pg-checklist-head i{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--pg-primary-soft);color:var(--pg-primary);font-size:16px;flex:0 0 auto;
}
.pg-checklist-head h3{font-size:18px;font-weight:600}
.pg-checklist ul li{
  display:flex;gap:10px;padding:12px 0;border-top:1px solid var(--pg-line);font-size:14px;color:var(--pg-text-2);
}
.pg-checklist ul li:first-child{border-top:none;padding-top:0}
.pg-checklist ul li i{color:var(--pg-primary);font-size:14px;margin-top:5px;flex:0 0 auto}
.pg-checklist ul li b{display:block;color:var(--pg-text-1);font-weight:600;font-size:15px;margin-bottom:2px}

/* ---------- FAQ ---------- */
.pg-faq .accordion-item{
  background:transparent;border:1px solid var(--pg-line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
}
.pg-faq .accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--pg-line-hot)}
.pg-faq .accordion-button{
  background:var(--pg-surface);color:var(--pg-text-1);
  font-size:16px;font-weight:600;padding:18px 20px;box-shadow:none;
  border-radius:0;display:flex;align-items:center;gap:12px;
}
.pg-faq .accordion-button:not(.collapsed){background:var(--pg-surface-2);color:var(--pg-primary)}
.pg-faq .accordion-button:focus{box-shadow:none;outline:none}
.pg-faq .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;
  font-size:22px;line-height:1;font-weight:400;color:var(--pg-primary);
  margin-left:auto;transition:transform 180ms var(--pg-ease);
  display:flex;align-items:center;justify-content:center;
}
.pg-faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.pg-faq .accordion-body{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--pg-text-2);background:var(--pg-surface-2)}

/* ---------- 相关入口卡 ---------- */
.pg-entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pg-entry-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--pg-radius);
  padding:22px 20px;transition:all 200ms var(--pg-ease);color:var(--pg-text-2);
}
.pg-entry-card:hover{transform:translateY(-4px);border-color:var(--pg-line-hot);box-shadow:0 10px 28px rgba(31,209,166,.14);color:var(--pg-text-2)}
.pg-entry-card i.pg-ico{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--pg-primary-soft);color:var(--pg-primary);font-size:16px;
}
.pg-entry-card h3{font-size:17px;font-weight:600}
.pg-entry-card p{font-size:13px;color:var(--pg-text-3);margin:0;line-height:1.6}
.pg-entry-card .pg-more{margin-top:auto;font-size:13px;color:var(--pg-primary);display:inline-flex;align-items:center;gap:6px}
.pg-entry-card.is-current{border-color:var(--pg-line-hot);background:var(--pg-surface-2)}

.pg-figure{border-radius:var(--pg-radius);overflow:hidden;border:1px solid var(--pg-line);position:relative}
.pg-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.pg-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(5,9,15,.6) 100%)}

/* ---------- CTA 面板 ---------- */
.pg-cta-wrap{padding:0 0 88px}
.pg-cta{
  position:relative;overflow:hidden;
  background:rgba(255,255,255,.06);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--pg-line);border-top:1px solid rgba(255,255,255,.12);
  border-radius:var(--pg-radius-lg);
  padding:48px 40px;text-align:center;
  box-shadow:0 10px 40px rgba(31,209,166,.1);
}
.pg-cta h2{font-size:clamp(22px,3.2vw,32px);font-weight:700}
.pg-cta p{margin:14px auto 0;max-width:640px;color:var(--pg-text-2);font-size:15px}
.pg-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}
.pg-cta-note{margin-top:22px;font-size:13px;color:var(--pg-text-3)}

/* ---------- 页脚 ---------- */
.pg-footer{background:#03060B;border-top:1px solid var(--pg-line);padding:64px 0 0}
.pg-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.pg-footer h4{font-size:15px;font-weight:600;margin-bottom:18px;color:var(--pg-text-1)}
.pg-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.pg-footer p{font-size:13px;color:var(--pg-text-3);line-height:1.8}
.pg-footer li{margin-bottom:10px}
.pg-footer li a{font-size:13px;color:var(--pg-text-2)}
.pg-footer li a:hover{color:var(--pg-primary)}
.pg-footer-bottom{
  margin-top:52px;border-top:1px solid var(--pg-line);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:var(--pg-text-3);
}

/* ---------- 浮动 CTA ---------- */
.pg-floating{
  position:fixed;right:24px;bottom:32px;z-index:1040;
  display:flex;align-items:center;gap:10px;
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity 150ms var(--pg-ease),transform 150ms var(--pg-ease);
}
.pg-floating.show{opacity:1;transform:translateY(0);pointer-events:auto}
.pg-float-top{
  display:none;width:48px;height:48px;border-radius:999px;
  background:var(--pg-surface-2);border:1px solid var(--pg-line);color:var(--pg-text-1);
}
.pg-float-top:hover{border-color:var(--pg-line-hot);color:var(--pg-primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .pg-stats-grid{grid-template-columns:repeat(2,1fr)}
  .pg-entry-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .pg-nav-links{display:none}
  .pg-nav-cta{display:none}
  .pg-burger{display:flex;align-items:center;justify-content:center}
  .pg-section{padding:64px 0}
  .pg-checklist-grid{grid-template-columns:1fr 1fr}
  .pg-floating{
    right:0;left:0;bottom:0;gap:12px;
    padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:rgba(5,9,15,.94);
    border-top:1px solid var(--pg-line);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  }
  .pg-floating .pg-btn{flex:1 1 70%;width:70%}
  .pg-float-top{display:flex;align-items:center;justify-content:center}
  body{padding-bottom:88px}
  .pg-sec-head{margin-bottom:32px}
}
@media (max-width:767px){
  .pg-container{padding:0 16px}
  .pg-section{padding:52px 0}
  .pg-stats{padding:44px 0}
  .pg-stats-grid{grid-template-columns:1fr 1fr;gap:16px}
  .pg-checklist-grid{grid-template-columns:1fr}
  .pg-entry-grid{grid-template-columns:1fr;gap:16px}
  .pg-cta{padding:34px 22px}
  .pg-cta-actions{flex-direction:column}
  .pg-cta-actions .pg-btn{width:100%}
  .pg-footer-grid{grid-template-columns:1fr;gap:28px}
  .pg-pagehead{padding:24px 0 44px}
}
@media (max-width:575px){
  .pg-logo-text{font-size:15px}
  .pg-logo-mark{width:34px;height:34px;font-size:13px}
  .pg-stats-grid{grid-template-columns:1fr}
  .pg-crumb{padding-top:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .pg-floating{transform:none}
}