/* roulang page: index */
:root{
  --pg-primary:#17493C;
  --pg-primary-dark:#0E2E26;
  --pg-primary-soft:#E6EFEA;
  --pg-accent:#C8912F;
  --pg-accent-dark:#A97722;
  --pg-bg:#F6F5F0;
  --pg-card:#FFFFFF;
  --pg-line:#E3E1D8;
  --pg-text:#1A211E;
  --pg-text-2:#5A6660;
  --pg-text-3:#8A948E;
  --pg-radius-card:12px;
  --pg-radius-btn:8px;
  --pg-radius-badge:6px;
  --pg-shadow-1:0 1px 0 #E3E1D8, 0 6px 20px rgba(14,46,38,.05);
  --pg-shadow-2:0 10px 28px rgba(14,46,38,.10);
  --pg-section-y:96px;
  --pg-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--pg-bg);
  color:var(--pg-text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-radius:var(--pg-radius-card);}
a{color:var(--pg-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--pg-accent-dark);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--pg-accent);outline-offset:2px;border-radius:4px;}
.pg-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* 容器 */
.pg-container{
  width:100%;
  max-width:var(--pg-container);
  margin:0 auto;
  padding:0 24px;
}
.pg-section{padding:var(--pg-section-y) 0;}
.pg-section--tight{padding:64px 0;}
.pg-section--soft{background:#FBFBF7;border-top:1px solid var(--pg-line);border-bottom:1px solid var(--pg-line);}
.pg-section--paper{background:#FFFFFF;}
.pg-section-head{margin-bottom:48px;}
.pg-section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.pg-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--pg-accent-dark);
  background:rgba(200,145,47,.08);
  border:1px solid rgba(200,145,47,.35);
  border-radius:4px;padding:4px 10px;margin-bottom:16px;
}
.pg-h2{font-size:clamp(22px,3vw,30px);font-weight:700;letter-spacing:.01em;line-height:1.45;color:var(--pg-text);}
.pg-sub{font-size:15px;color:var(--pg-text-2);line-height:1.85;margin-top:12px;max-width:760px;}

/* 按钮 */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 24px;min-height:44px;
  border-radius:var(--pg-radius-btn);
  border:1px solid transparent;
  cursor:pointer;text-decoration:none;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pg-btn-primary{background:var(--pg-primary);color:#fff;box-shadow:var(--pg-shadow-1);}
.pg-btn-primary:hover,.pg-btn-primary:focus{background:#123B30;color:#fff;transform:translateY(-2px);box-shadow:var(--pg-shadow-2);}
.pg-btn-outline{background:transparent;border-color:var(--pg-primary);color:var(--pg-primary);}
.pg-btn-outline:hover,.pg-btn-outline:focus{background:rgba(23,73,60,.08);color:var(--pg-primary);transform:translateY(-2px);}
.pg-btn-light{background:#fff;color:var(--pg-primary);}
.pg-btn-light:hover,.pg-btn-light:focus{background:var(--pg-primary-soft);color:var(--pg-primary);transform:translateY(-2px);}
.pg-btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.pg-btn-ghost-light:hover,.pg-btn-ghost-light:focus{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.pg-btn-text{background:none;border:none;padding:8px 0;min-height:auto;color:var(--pg-primary);font-weight:600;}
.pg-btn-text i{transition:transform .18s ease;}
.pg-btn-text:hover i{transform:translateX(3px);}
.pg-btn-block{width:100%;}

/* 头部导航 */
.pg-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,245,240,.94);
  backdrop-filter:saturate(140%) blur(8px);
  transition:background .2s ease,box-shadow .2s ease;
}
.pg-header.is-stuck{background:#FFFFFF;box-shadow:0 1px 0 var(--pg-line),0 6px 20px rgba(14,46,38,.06);}
.pg-nav{display:flex;align-items:center;gap:28px;height:64px;}
.pg-logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--pg-text);letter-spacing:.01em;white-space:nowrap;}
.pg-logo:hover{color:var(--pg-primary);}
.pg-logo-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:8px;
  background:var(--pg-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:-.02em;
}
.pg-nav-menu{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0;}
.pg-nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 12px;font-size:15px;color:var(--pg-text-2);font-weight:500;
  border-radius:6px;white-space:nowrap;
}
.pg-nav-link:hover{color:var(--pg-primary);background:rgba(23,73,60,.06);}
.pg-nav-link.is-active{color:var(--pg-primary);font-weight:600;}
.pg-nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--pg-primary);
}
.pg-nav-side{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.pg-search{position:relative;}
.pg-search input{
  width:180px;height:40px;padding:0 14px 0 36px;
  font-size:14px;color:var(--pg-text);
  background:#FFFFFF;border:1px solid var(--pg-line);border-radius:8px;
  transition:border-color .18s ease,box-shadow .18s ease,width .2s ease;
}
.pg-search input::placeholder{color:var(--pg-text-3);}
.pg-search input:focus{outline:none;border-color:var(--pg-primary);box-shadow:0 0 0 3px rgba(23,73,60,.10);}
.pg-search i{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--pg-text-3);}
.pg-menu-btn{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--pg-line);border-radius:8px;
  color:var(--pg-primary);font-size:17px;cursor:pointer;
}
.pg-drawer{
  display:none;
  border-top:1px solid var(--pg-line);
  background:#fff;padding:16px 0 24px;
}
.pg-drawer.is-open{display:block;}
.pg-drawer .pg-nav-link{display:block;padding:12px 4px;font-size:16px;border-bottom:1px solid var(--pg-line);border-radius:0;}
.pg-drawer .pg-nav-link.is-active::after{display:none;}
.pg-drawer-cta{margin-top:18px;}

/* Hero */
.pg-hero{
  position:relative;
  padding:56px 0 88px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--pg-bg) 100%);
  border-bottom:1px solid var(--pg-line);
}
.pg-hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,73,60,.14),transparent);
}
.pg-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.pg-hero-copy{max-width:560px;}
.pg-hero h1{
  font-size:clamp(27px,4vw,42px);
  line-height:1.32;font-weight:700;letter-spacing:.01em;
  color:var(--pg-text);margin-bottom:18px;
}
.pg-hero h1 em{font-style:normal;color:var(--pg-primary);}
.pg-hero-sub{font-size:17px;line-height:1.85;color:var(--pg-text-2);margin-bottom:28px;}
.pg-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.pg-hero-note{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;line-height:1.75;color:var(--pg-text-3);
  padding-top:18px;border-top:1px solid var(--pg-line);
}
.pg-hero-note i{color:var(--pg-accent);margin-top:5px;}
.pg-hero-visual{position:relative;}
.pg-hero-visual .pg-shot-frame{
  width:100%;aspect-ratio:16/9;border-radius:var(--pg-radius-card);
  overflow:hidden;background:var(--pg-primary-soft);
  border:1px solid var(--pg-line);box-shadow:var(--pg-shadow-2);
}
.pg-hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.pg-hero-stats{
  display:flex;gap:28px;flex-wrap:wrap;
  margin-top:22px;padding:18px 20px;background:#fff;
  border:1px solid var(--pg-line);border-radius:var(--pg-radius-card);box-shadow:var(--pg-shadow-1);
}
.pg-hero-stats div{min-width:96px;}
.pg-hero-stats b{display:block;font-size:22px;font-weight:700;color:var(--pg-primary);line-height:1.3;}
.pg-hero-stats span{font-size:13px;color:var(--pg-text-3);}

/* 价值说明带 */
.pg-value-list{display:grid;gap:0;border-top:1px solid var(--pg-line);}
.pg-value-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:26px 4px;border-bottom:1px solid var(--pg-line);
}
.pg-value-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:10px;
  background:var(--pg-primary-soft);color:var(--pg-primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.pg-value-item h3{font-size:17px;font-weight:600;margin-bottom:6px;color:var(--pg-text);}
.pg-value-item p{font-size:14.5px;color:var(--pg-text-2);line-height:1.8;max-width:860px;}

/* 截图轮播 */
.pg-carousel-wrap{position:relative;}
.pg-shots{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  padding:6px 4px 22px;
  scrollbar-width:none;
}
.pg-shots::-webkit-scrollbar{display:none;}
.pg-shot{
  flex:0 0 300px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--pg-line);border-radius:var(--pg-radius-card);
  padding:14px;box-shadow:var(--pg-shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.pg-shot:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-2);}
.pg-shot-media{
  width:100%;aspect-ratio:16/10;border-radius:8px;overflow:hidden;
  background:var(--pg-primary-soft);margin-bottom:12px;
}
.pg-shot-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.pg-shot-cap{font-size:14px;color:var(--pg-text-2);line-height:1.7;}
.pg-shot-cap b{display:block;font-size:15px;color:var(--pg-text);font-weight:600;margin-bottom:2px;}
.pg-carousel-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:8px;}
.pg-bars{display:flex;align-items:center;gap:8px;}
.pg-bar{width:24px;height:3px;border-radius:2px;background:var(--pg-line);transition:width .2s ease,background .2s ease;}
.pg-bar.is-active{width:44px;background:var(--pg-primary);}
.pg-carousel-nav{display:flex;gap:10px;}
.pg-arrow{
  width:44px;height:44px;border-radius:8px;border:1px solid var(--pg-line);
  background:#fff;color:var(--pg-primary);cursor:pointer;font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.pg-arrow:hover{background:var(--pg-primary-soft);border-color:var(--pg-primary);transform:translateY(-2px);}

/* 系统要求 */
.pg-platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pg-platform-card{
  background:#fff;border:1px solid var(--pg-line);border-radius:var(--pg-radius-card);
  padding:26px 24px;box-shadow:var(--pg-shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.pg-platform-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-2);}
.pg-platform-head{display:flex;align-items:center;gap:12px;margin-bottom:6px;}
.pg-platform-head i{font-size:22px;color:var(--pg-primary);}
.pg-platform-head h3{font-size:18px;font-weight:600;color:var(--pg-text);}
.pg-platform-card > p{font-size:14px;color:var(--pg-text-3);margin-bottom:18px;}
.pg-spec{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid var(--pg-line);font-size:14px;}
.pg-spec dt{color:var(--pg-text-3);flex:0 0 82px;}
.pg-spec dd{margin:0;color:var(--pg-text);font-size:15px;text-align:right;flex:1;}
.pg-platform-card dl{margin:0;}

/* 评价墙 */
.pg-reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pg-review-col:nth-child(2){margin-top:24px;}
.pg-review-card{
  position:relative;
  background:#fff;border:1px solid var(--pg-line);border-radius:var(--pg-radius-card);
  padding:28px 24px 24px;box-shadow:var(--pg-shadow-1);margin-bottom:24px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.pg-review-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-2);}
.pg-review-card::before{
  content:"\201C";position:absolute;left:20px;top:6px;
  font-size:40px;line-height:1;color:rgba(200,145,47,.35);font-family:Georgia,serif;
}
.pg-review-card p{font-size:14.5px;color:var(--pg-text-2);line-height:1.85;margin-bottom:18px;}
.pg-review-user{display:flex;align-items:center;gap:12px;}
.pg-avatar{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;
  background:var(--pg-primary-soft);color:var(--pg-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.pg-review-user b{display:block;font-size:14.5px;color:var(--pg-text);font-weight:600;}
.pg-stars{color:var(--pg-accent);font-size:12px;letter-spacing:2px;}

/* 最新信息 */
.pg-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pg-news-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--pg-line);border-radius:var(--pg-radius-card);
  overflow:hidden;box-shadow:var(--pg-shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.pg-news-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-2);}
.pg-news-media{display:block;width:100%;aspect-ratio:16/9;background:var(--pg-primary-soft);overflow:hidden;}
.pg-news-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.pg-news-card:hover .pg-news-media img{transform:scale(1.03);}
.pg-news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.pg-badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  font-size:12px;font-weight:600;line-height:1.6;
  color:var(--pg-accent-dark);
  background:rgba(200,145,47,.08);
  border:1px solid rgba(200,145,47,.45);
  border-radius:4px;padding:2px 8px;margin-bottom:12px;
}
.pg-news-title{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:10px;}
.pg-news-title a{color:var(--pg-text);}
.pg-news-title a:hover{color:var(--pg-primary);}
.pg-news-sum{
  font-size:14px;color:var(--pg-text-2);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pg-news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--pg-text-3);padding-top:14px;border-top:1px solid var(--pg-line);}
.pg-empty{
  border:1px dashed var(--pg-line);border-radius:var(--pg-radius-card);
  background:#fff;padding:56px 24px;text-align:center;
}
.pg-empty i{font-size:26px;color:var(--pg-text-3);margin-bottom:14px;display:block;}
.pg-empty p{font-size:15px;color:var(--pg-text-2);margin-bottom:20px;}

/* 下载 CTA */
.pg-cta{background:var(--pg-primary-dark);color:#fff;}
.pg-cta .pg-h2{color:#fff;}
.pg-cta .pg-sub{color:rgba(255,255,255,.75);}
.pg-cta-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:56px;align-items:center;}
.pg-cta-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.pg-cta-version{margin-top:22px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.9;}
.pg-qr{
  width:120px;height:120px;border-radius:var(--pg-radius-card);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.55);font-size:12px;text-align:center;line-height:1.6;
}
.pg-qr-box{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.pg-qr-text{font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.85;max-width:220px;}

/* FAQ */
.pg-faq-list{border-top:1px solid var(--pg-line);}
.pg-faq-item{border-bottom:1px solid var(--pg-line);}
.pg-faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 40px 20px 20px;
  font-size:16px;font-weight:600;color:var(--pg-text);
  transition:color .18s ease;
}
.pg-faq-item summary::-webkit-details-marker{display:none;}
.pg-faq-item summary:hover{color:var(--pg-primary);}
.pg-faq-item summary::before{
  content:"";position:absolute;left:0;top:20px;height:22px;width:3px;border-radius:2px;
  background:transparent;transition:background .18s ease;
}
.pg-faq-item summary::after{
  content:"\002B";position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:18px;color:var(--pg-text-3);transition:transform .2s ease,color .2s ease;
}
.pg-faq-item[open] summary{color:var(--pg-primary);}
.pg-faq-item[open] summary::before{background:var(--pg-primary);}
.pg-faq-item[open] summary::after{content:"\2212";color:var(--pg-primary);}
.pg-faq-answer{padding:0 40px 22px 20px;font-size:15px;color:var(--pg-text-2);line-height:1.85;max-width:900px;}

/* 页脚 */
.pg-footer{background:var(--pg-primary-dark);color:#F6F5F0;padding:72px 0 0;}
.pg-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.pg-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.pg-footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.pg-footer-brand .pg-logo-mark{background:rgba(255,255,255,.14);}
.pg-footer p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.85;max-width:340px;}
.pg-footer ul li{margin-bottom:10px;}
.pg-footer ul a{font-size:14px;color:rgba(255,255,255,.7);}
.pg-footer ul a:hover{color:#fff;text-decoration:underline;}
.pg-footer-bottom{
  margin-top:56px;padding:24px 0 32px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.pg-footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);max-width:none;}
.pg-top-btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.75);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:8px;padding:10px 16px;min-height:44px;cursor:pointer;
  transition:background .18s ease,color .18s ease;
}
.pg-top-btn:hover{background:rgba(255,255,255,.16);color:#fff;}

/* 响应式 */
@media screen and (max-width:1200px){
  .pg-search input{width:150px;}
}
@media screen and (max-width:1024px){
  :root{--pg-section-y:72px;}
  .pg-nav-menu{display:none;}
  .pg-nav-side .pg-search{display:none;}
  .pg-menu-btn{display:inline-flex;}
  .pg-nav{gap:16px;justify-content:space-between;}
  .pg-hero{padding:40px 0 64px;}
  .pg-hero-grid{grid-template-columns:1fr;gap:36px;}
  .pg-hero-copy{max-width:none;}
  .pg-platform-grid{grid-template-columns:1fr 1fr;}
  .pg-reviews{grid-template-columns:1fr 1fr;}
  .pg-review-col:nth-child(2){margin-top:0;}
  .pg-review-col:nth-child(3){grid-column:span 2;}
  .pg-news-grid{grid-template-columns:1fr 1fr;}
  .pg-cta-grid{grid-template-columns:1fr;gap:36px;}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .pg-footer p{max-width:none;}
}
@media screen and (max-width:640px){
  :root{--pg-section-y:56px;}
  .pg-container{padding:0 18px;}
  .pg-section-head{margin-bottom:32px;}
  .pg-hero{padding:32px 0 48px;}
  .pg-hero-actions{gap:10px;}
  .pg-hero-actions .pg-btn{width:100%;}
  .pg-hero-stats{gap:18px;padding:16px;}
  .pg-hero-stats div{min-width:80px;}
  .pg-shot{flex:0 0 84%;}
  .pg-value-item{gap:14px;padding:22px 2px;}
  .pg-platform-grid{grid-template-columns:1fr;}
  .pg-reviews{grid-template-columns:1fr;}
  .pg-review-col:nth-child(3){grid-column:auto;}
  .pg-news-grid{grid-template-columns:1fr;}
  .pg-cta-buttons .pg-btn{width:100%;}
  .pg-qr-box{justify-content:flex-start;}
  .pg-faq-item summary{padding:18px 36px 18px 16px;font-size:15.5px;}
  .pg-faq-answer{padding:0 16px 20px 16px;}
  .pg-footer{padding-top:56px;}
  .pg-footer-grid{grid-template-columns:1fr;gap:28px;}
  .pg-footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (min-width:1025px){
  .pg-drawer{display:none !important;}
}

/* roulang page: article */
:root{
  --pg-primary:#17493C;
  --pg-primary-dark:#0E2E26;
  --pg-primary-soft:#E6EFEA;
  --pg-accent:#C8912F;
  --pg-accent-dark:#A97722;
  --pg-bg:#F6F5F0;
  --pg-surface:#FFFFFF;
  --pg-line:#E3E1D8;
  --pg-text:#1A211E;
  --pg-text-2:#5A6660;
  --pg-text-3:#8A948E;
  --pg-radius-card:12px;
  --pg-radius-btn:8px;
  --pg-radius-badge:6px;
  --pg-shadow-1:0 1px 0 #E3E1D8, 0 6px 20px rgba(14,46,38,.05);
  --pg-shadow-2:0 10px 28px rgba(14,46,38,.10);
  --pg-section:96px;
  --pg-nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--pg-nav-h);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--pg-text);
  background:var(--pg-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--pg-primary);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--pg-accent-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--pg-text);line-height:1.4;}
p{margin:0 0 1.2em;}
ul,ol{margin:0 0 1.2em;padding-left:1.25em;}
li{margin-bottom:.75em;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--pg-accent);outline-offset:2px;}
.pg-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.pg-section{padding:var(--pg-section) 0;}
.pg-section-alt{background:var(--pg-surface);border-top:1px solid var(--pg-line);border-bottom:1px solid var(--pg-line);}
.pg-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--pg-primary);text-transform:uppercase;
}
.pg-eyebrow::before{content:"";width:18px;height:2px;background:var(--pg-accent);display:block;}
.pg-section-head{max-width:660px;margin-bottom:44px;}
.pg-section-head h2{font-size:clamp(22px,2.6vw,30px);margin:12px 0 12px;}
.pg-section-head p{color:var(--pg-text-2);font-size:15px;margin:0;}

/* ============ 导航 ============ */
.pg-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
  border-bottom:1px solid transparent;
}
.pg-header.is-scrolled{
  background:#fff;
  border-bottom:1px solid var(--pg-line);
  box-shadow:0 6px 20px rgba(14,46,38,.06);
}
.pg-nav{display:flex;align-items:center;height:var(--pg-nav-h);gap:28px;}
.pg-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--pg-text);letter-spacing:.01em;
  white-space:nowrap;
}
.pg-logo:hover{color:var(--pg-primary);}
.pg-logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:8px;
  background:var(--pg-primary);color:#fff;
  font-size:14px;font-weight:700;letter-spacing:.02em;
}
.pg-nav-menu{display:flex;align-items:center;gap:22px;margin-right:auto;}
.pg-nav-link{
  position:relative;
  font-size:14.5px;font-weight:500;color:var(--pg-text-2);
  padding:6px 0;line-height:1.4;white-space:nowrap;
}
.pg-nav-link:hover{color:var(--pg-primary);}
.pg-nav-link.is-active{color:var(--pg-text);font-weight:600;}
.pg-nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--pg-primary);border-radius:2px;
}
.pg-nav-side{display:flex;align-items:center;gap:12px;}
.pg-search{
  position:relative;display:flex;align-items:center;gap:8px;
  background:var(--pg-bg);border:1px solid var(--pg-line);border-radius:var(--pg-radius-btn);
  height:40px;padding:0 12px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.pg-search:focus-within{border-color:var(--pg-primary);background:#fff;box-shadow:0 4px 14px rgba(14,46,38,.08);}
.pg-search i{color:var(--pg-text-3);font-size:13px;}
.pg-search input{
  border:0;background:transparent;outline:none;width:150px;
  font-size:14px;color:var(--pg-text);
}
.pg-search input::placeholder{color:var(--pg-text-3);}
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:12px 24px;border-radius:var(--pg-radius-btn);
  border:1px solid transparent;min-height:44px;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pg-btn-primary{background:var(--pg-primary);color:#fff;}
.pg-btn-primary:hover{background:var(--pg-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--pg-shadow-2);}
.pg-btn-ghost{background:transparent;border-color:var(--pg-primary);color:var(--pg-primary);}
.pg-btn-ghost:hover{background:rgba(23,73,60,.08);color:var(--pg-primary);transform:translateY(-2px);}
.pg-btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.pg-btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.pg-btn-block{width:100%;}
.pg-btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}
.pg-menu-btn{
  display:none;width:44px;height:44px;border-radius:var(--pg-radius-btn);
  border:1px solid var(--pg-line);background:#fff;color:var(--pg-text);
  font-size:16px;align-items:center;justify-content:center;
}
.pg-drawer{
  display:none;background:#fff;border-top:1px solid var(--pg-line);
  box-shadow:0 12px 24px rgba(14,46,38,.08);
  padding:12px 0 20px;
}
.pg-drawer.is-open{display:block;}
.pg-drawer .pg-nav-link{display:block;padding:13px 0;border-bottom:1px solid var(--pg-line);font-size:15px;}
.pg-drawer-cta{margin-top:16px;}

/* ============ 面包屑 ============ */
.pg-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--pg-text-3);padding:20px 0 0;
}
.pg-crumb a{color:var(--pg-text-2);}
.pg-crumb a:hover{color:var(--pg-primary);}
.pg-crumb span.sep{color:#C9CEC7;}

/* ============ 文章头部 ============ */
.pg-article-head{
  padding:28px 0 40px;
  border-bottom:1px solid var(--pg-line);
  background:
    linear-gradient(180deg,rgba(230,239,234,.55) 0%,rgba(246,245,240,0) 100%),
    repeating-linear-gradient(0deg,rgba(23,73,60,.05) 0 1px,transparent 1px 8px);
}
.pg-article-head-inner{max-width:820px;margin:0 auto;}
.pg-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 10px;border-radius:var(--pg-radius-badge);
  border:1px solid rgba(200,145,47,.55);
  background:rgba(200,145,47,.08);
  color:var(--pg-accent-dark);
}
.pg-badge-green{
  border-color:rgba(23,73,60,.35);
  background:rgba(23,73,60,.08);
  color:var(--pg-primary);
}
.pg-article-head h1{
  font-size:clamp(24px,4vw,34px);
  margin:18px 0 16px;
  letter-spacing:.01em;
}
.pg-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--pg-text-2);
}
.pg-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9CEC7;display:inline-block;}
.pg-article-lead{font-size:16px;color:var(--pg-text-2);margin-top:18px;}
.pg-article-cover{
  margin-top:32px;border-radius:var(--pg-radius-card);overflow:hidden;
  background:var(--pg-primary-soft);box-shadow:var(--pg-shadow-1);
  aspect-ratio:16/9;
}
.pg-article-cover img{width:100%;height:100%;object-fit:cover;}

/* ============ 正文 ============ */
.pg-article-wrap{max-width:740px;margin:0 auto;}
.pg-article-body{font-size:16px;line-height:1.85;color:var(--pg-text);}
.pg-article-body > *:first-child{margin-top:0;}
.pg-article-body h2{
  font-size:24px;margin:48px 0 16px;padding-left:14px;position:relative;
}
.pg-article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  background:var(--pg-primary);border-radius:2px;
}
.pg-article-body h3{font-size:20px;margin:34px 0 12px;}
.pg-article-body h4{font-size:17px;margin:26px 0 10px;color:var(--pg-text-2);}
.pg-article-body p{margin:0 0 1.2em;}
.pg-article-body ul,.pg-article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.pg-article-body li{margin-bottom:.75em;}
.pg-article-body ul li::marker{color:var(--pg-primary);}
.pg-article-body blockquote{
  margin:28px 0;padding:18px 22px;
  border-left:3px solid var(--pg-primary);
  background:var(--pg-primary-soft);
  border-radius:0 var(--pg-radius-card) var(--pg-radius-card) 0;
  color:var(--pg-text-2);
}
.pg-article-body blockquote p:last-child{margin-bottom:0;}
.pg-article-body img{border-radius:var(--pg-radius-card);margin:24px 0 10px;box-shadow:var(--pg-shadow-1);}
.pg-article-body figure{margin:0 0 1.2em;}
.pg-article-body figcaption{font-size:13px;color:var(--pg-text-3);text-align:center;}
.pg-article-body code{
  background:#EFEEE8;border-radius:4px;padding:2px 6px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
}
.pg-article-body pre{
  background:#F1F0EA;border:1px solid var(--pg-line);border-radius:var(--pg-radius-card);
  padding:16px 18px;overflow:auto;font-size:14px;line-height:1.7;
}
.pg-article-body pre code{background:none;padding:0;}
.pg-article-body a{border-bottom:1px solid rgba(23,73,60,.35);}
.pg-article-body a:hover{border-bottom-color:var(--pg-accent);}
.pg-article-body hr{border:0;border-top:1px solid var(--pg-line);margin:40px 0;}
.pg-article-body strong{font-weight:700;}

/* ============ 空态 ============ */
.pg-empty{
  border:1px dashed var(--pg-line);border-radius:var(--pg-radius-card);
  background:var(--pg-surface);padding:48px 28px;text-align:center;
}
.pg-empty i{font-size:26px;color:var(--pg-primary);}
.pg-empty h2{font-size:20px;margin:14px 0 8px;}
.pg-empty p{color:var(--pg-text-2);font-size:15px;margin-bottom:20px;}

/* ============ 阅读提示条 ============ */
.pg-tips{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;
}
.pg-tip{
  background:var(--pg-surface);border:1px solid var(--pg-line);
  border-radius:var(--pg-radius-card);padding:24px;
  box-shadow:var(--pg-shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.pg-tip:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-2);}
.pg-tip i{font-size:20px;color:var(--pg-primary);}
.pg-tip h3{font-size:17px;margin:14px 0 8px;}
.pg-tip p{font-size:14px;color:var(--pg-text-2);margin:0 0 12px;line-height:1.75;}
.pg-text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--pg-primary);
}
.pg-text-link i{font-size:12px;transition:transform .18s ease;}
.pg-text-link:hover i{transform:translateX(3px);}

/* ============ FAQ ============ */
.pg-faq{max-width:820px;margin:0 auto;border-top:1px solid var(--pg-line);}
.pg-faq-item{border-bottom:1px solid var(--pg-line);}
.pg-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;
  padding:22px 0 22px 14px;position:relative;
  font-size:16px;font-weight:600;color:var(--pg-text);line-height:1.6;
}
.pg-faq-q::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;
  background:var(--pg-primary);border-radius:2px;transform:scaleY(0);
  transform-origin:top;transition:transform .18s ease;
}
.pg-faq-item.is-open .pg-faq-q::before{transform:scaleY(1);}
.pg-faq-q i{color:var(--pg-text-3);font-size:14px;transition:transform .18s ease;}
.pg-faq-item.is-open .pg-faq-q i{transform:rotate(180deg);color:var(--pg-primary);}
.pg-faq-a{
  display:none;padding:0 40px 22px 14px;
  font-size:15px;color:var(--pg-text-2);line-height:1.8;
}
.pg-faq-item.is-open .pg-faq-a{display:block;}

/* ============ 相关推荐 ============ */
.pg-card{
  background:var(--pg-surface);border:1px solid var(--pg-line);
  border-radius:var(--pg-radius-card);padding:24px;height:100%;
  box-shadow:var(--pg-shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.pg-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-2);border-color:#D6D3C8;}
.pg-card h3{font-size:17.5px;margin:14px 0 10px;line-height:1.5;}
.pg-card h3 a{color:var(--pg-text);}
.pg-card h3 a:hover{color:var(--pg-primary);}
.pg-card p{font-size:14px;color:var(--pg-text-2);line-height:1.75;margin:0 0 18px;}
.pg-card-thumb{
  border-radius:var(--pg-radius-card);overflow:hidden;background:var(--pg-primary-soft);
  aspect-ratio:16/10;margin:-4px 0 4px;
}
.pg-card-thumb img{width:100%;height:100%;object-fit:cover;}
.pg-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.pg-related-actions{margin-top:40px;}

/* ============ 深色 CTA ============ */
.pg-cta{
  background:var(--pg-primary-dark);color:#fff;
  border-radius:0;padding:80px 0;
  background-image:radial-gradient(circle at 88% 12%,rgba(200,145,47,.18),transparent 42%);
}
.pg-cta-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:center;}
.pg-cta h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.pg-cta p{color:rgba(255,255,255,.78);font-size:15px;max-width:520px;}
.pg-cta-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.pg-cta-note{
  margin-top:22px;font-size:13px;color:rgba(255,255,255,.62);
  display:flex;flex-wrap:wrap;gap:18px;
}
.pg-qr{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--pg-radius-card);padding:24px;text-align:center;
}
.pg-qr-box{
  width:120px;height:120px;margin:0 auto 16px;border-radius:10px;
  background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;
  color:var(--pg-primary-dark);font-size:26px;
}
.pg-qr span{font-size:13px;color:rgba(255,255,255,.72);line-height:1.7;display:block;}

/* ============ 页脚 ============ */
.pg-footer{background:var(--pg-primary-dark);color:rgba(255,255,255,.7);padding:64px 0 24px;}
.pg-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.pg-footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px;}
.pg-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin:0;}
.pg-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.pg-footer ul{list-style:none;margin:0;padding:0;}
.pg-footer li{margin-bottom:10px;}
.pg-footer a{font-size:14px;color:rgba(255,255,255,.7);}
.pg-footer a:hover{color:#fff;text-decoration:underline;}
.pg-footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.pg-footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);margin:0;}
.pg-top-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;
  border-radius:var(--pg-radius-btn);padding:10px 18px;font-size:13.5px;
  transition:background .18s ease,border-color .18s ease;
}
.pg-top-btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--pg-section:72px;}
  .pg-nav-menu{display:none;}
  .pg-menu-btn{display:inline-flex;}
  .pg-search input{width:120px;}
  .pg-cta-grid{grid-template-columns:1fr;gap:36px;}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .pg-tips{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .pg-search{display:none;}
  .pg-header .pg-nav-side .pg-btn-primary{display:none;}
  .pg-article-head{padding:20px 0 32px;}
  .pg-article-body h2{font-size:21px;margin-top:40px;}
  .pg-article-body h3{font-size:18.5px;}
  .pg-footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:640px){
  :root{--pg-section:56px;}
  body{font-size:15.5px;}
  .pg-container{padding:0 18px;}
  .pg-nav{gap:16px;}
  .pg-logo{font-size:16px;}
  .pg-logo-mark{width:32px;height:32px;font-size:13px;}
  .pg-tips{grid-template-columns:1fr;}
  .pg-card{padding:20px;}
  .pg-cta{padding:56px 0;}
  .pg-cta-btns .pg-btn{width:100%;}
  .pg-footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --primary:#17493C;
  --primary-deep:#0E2E26;
  --primary-hover:#0F3B30;
  --tint:#E6EFEA;
  --accent:#C8912F;
  --accent-hover:#A97722;
  --bg:#F6F5F0;
  --card:#FFFFFF;
  --line:#E3E1D8;
  --text:#1A211E;
  --text-2:#5A6660;
  --text-3:#8A948E;
  --r-card:12px;
  --r-btn:8px;
  --r-badge:6px;
  --sh-1:0 1px 0 #E3E1D8, 0 6px 20px rgba(14,46,38,.05);
  --sh-2:0 10px 28px rgba(14,46,38,.10);
  --sec:96px;
  --hdr:64px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Inter,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
h1,h2,h3,h4{font-weight:700;letter-spacing:.01em;line-height:1.4;font-style:normal;}
ul,ol{list-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-hover);}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
input,button{font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.pg-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.pg-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--accent);
  letter-spacing:.08em;text-transform:uppercase;
}
.pg-eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:inline-block;}

/* ============ 按钮 ============ */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;background:transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.pg-btn i{font-size:14px;}
.pg-btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.pg-btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.pg-btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent;}
.pg-btn-ghost:hover{background:rgba(23,73,60,.08);color:var(--primary);transform:translateY(-2px);}
.pg-btn-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.pg-btn-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-2px);}
.pg-btn-text{padding:6px 0;color:var(--primary);font-weight:600;min-height:auto;}
.pg-btn-text i{transition:transform .18s ease;}
.pg-btn-text:hover i{transform:translateX(3px);}
.pg-btn-block{width:100%;}

/* ============ 导航 ============ */
.pg-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pg-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(14,46,38,.07);}
.pg-nav{display:flex;align-items:center;gap:26px;height:var(--hdr);}
.pg-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);white-space:nowrap;}
.pg-logo:hover{color:var(--primary);}
.pg-logo-mark{
  width:34px;height:34px;border-radius:8px;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.02em;flex:0 0 auto;
}
.pg-nav-menu{display:flex;align-items:center;gap:22px;}
.pg-nav-link{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;white-space:nowrap;
  transition:color .18s ease;
}
.pg-nav-link:hover{color:var(--primary);}
.pg-nav-link.is-active{color:var(--primary);font-weight:600;}
.pg-nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--primary);border-radius:2px;
}
.pg-nav-side{margin-left:auto;display:flex;align-items:center;gap:14px;}
.pg-search{position:relative;display:flex;align-items:center;}
.pg-search i{position:absolute;left:12px;font-size:13px;color:var(--text-3);pointer-events:none;}
.pg-search input{
  width:196px;height:40px;padding:0 12px 0 34px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;font-size:14px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.pg-search input::placeholder{color:var(--text-3);}
.pg-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,73,60,.10);}
.pg-menu-btn{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--primary);font-size:16px;
}
.pg-menu-btn:hover{background:var(--tint);}
.pg-drawer{
  display:none;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 16px 32px rgba(14,46,38,.10);
  max-height:calc(100vh - var(--hdr));overflow-y:auto;
}
.pg-drawer.is-open{display:block;}
.pg-drawer .pg-nav-link{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;}
.pg-drawer .pg-nav-link.is-active::after{display:none;}
.pg-drawer .pg-nav-link.is-active{color:var(--primary);}
.pg-drawer-cta{padding:18px 0 24px;}

/* ============ 压缩 Hero ============ */
.pg-hero-compact{
  position:relative;
  margin-top:var(--hdr);
  padding:56px 0 52px;
  background-color:var(--primary-deep);
  background-image:linear-gradient(115deg,rgba(14,46,38,.94) 0%,rgba(14,46,38,.78) 55%,rgba(23,73,60,.68) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.pg-hero-compact::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:rgba(255,255,255,.14);
}
.pg-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.pg-crumb a{color:rgba(255,255,255,.72);}
.pg-crumb a:hover{color:#fff;}
.pg-crumb span.sep{width:1px;height:12px;background:rgba(255,255,255,.34);display:inline-block;}
.pg-crumb .current{color:#fff;}
.pg-hero-head{display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap;}
.pg-seal{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  padding:6px 10px;border:1px solid var(--accent);border-radius:4px;
  color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.06em;
  background:rgba(200,145,47,.12);margin-top:8px;
}
.pg-hero-compact h1{
  font-size:clamp(26px,3.6vw,38px);color:#fff;max-width:820px;
}
.pg-hero-sub{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);max-width:700px;}
.pg-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.pg-hero-meta{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 26px;
  font-size:13px;color:rgba(255,255,255,.72);
}
.pg-hero-meta i{color:var(--accent);margin-right:6px;font-size:12px;}

/* ============ 通用板块 ============ */
.pg-section{padding:var(--sec) 0;}
.pg-section-tint{background:var(--tint);}
.pg-section-white{background:#fff;}
.pg-section-head{max-width:740px;margin-bottom:48px;}
.pg-section-head h2{font-size:clamp(22px,2.6vw,30px);margin-top:14px;}
.pg-section-head p{margin-top:14px;color:var(--text-2);font-size:15px;line-height:1.85;}
.pg-section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 图文交替行 ============ */
.pg-split-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;
}
.pg-split-row:first-child{padding-top:0;}
.pg-split-row + .pg-split-row{border-top:1px solid var(--line);}
.pg-split-row.is-reverse .pg-split-media{order:2;}
.pg-split-media{
  border-radius:var(--r-card);overflow:hidden;background:var(--tint);
  border:1px solid var(--line);box-shadow:var(--sh-1);aspect-ratio:16/10;
  transition:transform .2s ease,box-shadow .2s ease;
}
.pg-split-media img{width:100%;height:100%;object-fit:cover;}
.pg-split-row:hover .pg-split-media{transform:translateY(-2px);box-shadow:var(--sh-2);}
.pg-split-index{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.06em;
}
.pg-split-index span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:28px;height:28px;padding:0 8px;border-radius:var(--r-badge);
  border:1px solid var(--accent);background:rgba(200,145,47,.08);
  font-size:13px;
}
.pg-split-body h3{font-size:20px;margin-top:14px;}
.pg-split-body p{margin-top:14px;color:var(--text-2);font-size:15px;line-height:1.85;}
.pg-split-list{margin-top:18px;display:grid;gap:10px;}
.pg-split-list li{
  position:relative;padding-left:24px;font-size:15px;color:var(--text);
}
.pg-split-list li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;
  border-radius:2px;background:var(--primary);opacity:.85;
}
.pg-split-body .pg-btn-text{margin-top:20px;}

/* ============ 行式核对清单 ============ */
.pg-check{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:12px 28px;
}
.pg-check li{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.pg-check li:last-child{border-bottom:none;}
.pg-check i{
  flex:0 0 auto;width:28px;font-size:22px;color:var(--primary);line-height:1.6;text-align:center;
}
.pg-check h3{font-size:17px;}
.pg-check p{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.8;}

/* ============ 平台参数卡 ============ */
.pg-platform{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.pg-platform:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.pg-platform-top{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.pg-platform-top i{
  width:40px;height:40px;border-radius:var(--r-btn);background:var(--tint);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;flex:0 0 auto;
}
.pg-platform-top h3{font-size:17px;}
.pg-spec-row{
  display:flex;justify-content:space-between;gap:18px;
  padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;
}
.pg-spec-row:last-child{border-bottom:none;}
.pg-spec-label{color:var(--text-2);flex:0 0 auto;}
.pg-spec-value{color:var(--text);font-weight:600;text-align:right;}
.pg-platform .pg-btn-ghost{margin-top:18px;width:100%;}

/* ============ 疑问速答 ============ */
.pg-qa{border-top:1px solid var(--line);}
.pg-qa-item{padding:26px 0;border-bottom:1px solid var(--line);}
.pg-qa-item h3{font-size:16px;display:flex;gap:12px;align-items:flex-start;}
.pg-qa-item h3 i{color:var(--accent);font-size:15px;line-height:1.9;flex:0 0 auto;}
.pg-qa-item p{margin-top:10px;padding-left:28px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ============ 深色 CTA ============ */
.pg-cta-dark{background:var(--primary-deep);color:#fff;padding:var(--sec) 0;}
.pg-cta-dark h2{font-size:clamp(22px,2.6vw,30px);color:#fff;}
.pg-cta-dark .pg-cta-lead{margin-top:14px;color:rgba(255,255,255,.8);font-size:15px;max-width:620px;}
.pg-cta-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:48px;align-items:center;}
.pg-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.pg-cta-meta{margin-top:22px;font-size:13px;color:rgba(255,255,255,.62);}
.pg-qr{
  width:140px;height:140px;border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:rgba(255,255,255,.7);font-size:12px;text-align:center;margin:0 auto;
}
.pg-qr i{font-size:28px;color:var(--accent);}

/* ============ 页脚 ============ */
.pg-footer{background:var(--primary-deep);color:#F6F5F0;padding:72px 0 0;}
.pg-footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;
}
.pg-footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.pg-footer-brand .pg-logo-mark{background:#fff;color:var(--primary-deep);}
.pg-footer p{font-size:14px;line-height:1.8;color:rgba(246,245,240,.68);margin-top:16px;}
.pg-footer h4{font-size:14px;font-weight:600;color:#F6F5F0;margin-bottom:16px;}
.pg-footer ul{display:grid;gap:10px;}
.pg-footer ul a{font-size:14px;color:rgba(246,245,240,.7);}
.pg-footer ul a:hover{color:#fff;text-decoration:underline;}
.pg-footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
}
.pg-footer-bottom p{font-size:13px;color:rgba(246,245,240,.6);margin:0;}
.pg-top-btn{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:10px 18px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.28);background:transparent;
  color:#F6F5F0;font-size:14px;transition:background-color .18s ease,border-color .18s ease;
}
.pg-top-btn:hover{background:rgba(255,255,255,.12);border-color:#fff;}

/* ============ 通用小组件 ============ */
.pg-note{
  display:flex;gap:14px;align-items:flex-start;
  border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:var(--r-card);background:#fff;
  padding:18px 22px;font-size:14px;color:var(--text-2);line-height:1.8;
}
.pg-note i{color:var(--accent);font-size:16px;line-height:1.7;flex:0 0 auto;}
.pg-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:4px;border:1px solid var(--accent);
  color:var(--accent);background:rgba(200,145,47,.08);
  font-size:12px;font-weight:600;line-height:1.6;
}
.pg-mt-24{margin-top:24px;}
.pg-mt-32{margin-top:32px;}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--sec:72px;}
  .pg-nav-menu{display:none;}
  .pg-nav-menu + .pg-nav-side{margin-left:auto;}
  .pg-search{display:none;}
  .pg-menu-btn{display:inline-flex;}
  .pg-split-row{grid-template-columns:1fr;gap:32px;padding:36px 0;}
  .pg-split-row.is-reverse .pg-split-media{order:0;}
  .pg-cta-grid{grid-template-columns:1fr;gap:32px;}
  .pg-qr{width:120px;height:120px;}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:640px){
  :root{--sec:56px;--hdr:56px;}
  .pg-container{padding:0 18px;}
  .pg-logo{font-size:16px;}
  .pg-hero-compact{padding:36px 0 40px;}
  .pg-hero-actions .pg-btn{width:100%;}
  .pg-hero-actions{flex-direction:column;}
  .pg-check{padding:8px 18px;}
  .pg-check li{gap:14px;padding:18px 0;}
  .pg-qa-item p{padding-left:0;}
  .pg-footer{padding-top:56px;}
  .pg-footer-grid{grid-template-columns:1fr;}
  .pg-footer-bottom{flex-direction:column;align-items:flex-start;}
  .pg-top-btn{width:100%;justify-content:center;}
  .pg-cta-actions{flex-direction:column;}
  .pg-cta-actions .pg-btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --pg-ink:#17493C;
  --pg-ink-deep:#0E2E26;
  --pg-ink-soft:#1F5B4B;
  --pg-mist:#E6EFEA;
  --pg-amber:#C8912F;
  --pg-amber-deep:#A97722;
  --pg-bg:#F6F5F0;
  --pg-card:#FFFFFF;
  --pg-line:#E3E1D8;
  --pg-text:#1A211E;
  --pg-muted:#5A6660;
  --pg-faint:#8A948E;
  --pg-danger:#A4553F;
  --pg-r-card:12px;
  --pg-r-btn:8px;
  --pg-r-img:12px;
  --pg-r-badge:6px;
  --pg-r-input:8px;
  --pg-shadow-1:0 1px 0 #E3E1D8, 0 6px 20px rgba(14,46,38,.05);
  --pg-shadow-2:0 10px 28px rgba(14,46,38,.10);
  --pg-container:1200px;
  --pg-header-h:64px;
  --pg-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--pg-bg);
  color:var(--pg-text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.35;letter-spacing:.01em;color:var(--pg-text);}
p{margin:0 0 1.1em;font-size:16px;line-height:1.85;color:var(--pg-muted);}
p:last-child{margin-bottom:0;}
a{color:var(--pg-ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--pg-ink-soft);}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--pg-r-img);}
figure{margin:0;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--pg-ink);outline-offset:2px;}
.pg-container{width:100%;max-width:var(--pg-container);margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.pg-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(150%) blur(8px);
  -webkit-backdrop-filter:saturate(150%) blur(8px);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
  border-bottom:1px solid transparent;
}
.pg-header.is-scrolled{background:#fff;border-bottom:1px solid var(--pg-line);box-shadow:0 6px 18px rgba(14,46,38,.06);}
.pg-nav{display:flex;align-items:center;gap:26px;height:var(--pg-header-h);}
.pg-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--pg-text);letter-spacing:.01em;flex:0 0 auto;}
.pg-logo:hover{color:var(--pg-ink);}
.pg-logo-mark{
  width:32px;height:32px;border-radius:8px;background:var(--pg-ink);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:.04em;
}
.pg-nav-menu{display:flex;align-items:center;gap:22px;margin-left:8px;flex-wrap:nowrap;}
.pg-nav-link{position:relative;font-size:15px;color:var(--pg-muted);padding:6px 0;white-space:nowrap;}
.pg-nav-link:hover{color:var(--pg-ink);}
.pg-nav-link.is-active{color:var(--pg-text);font-weight:600;}
.pg-nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--pg-ink);border-radius:2px;
}
.pg-nav-side{margin-left:auto;display:flex;align-items:center;gap:12px;}
.pg-search{position:relative;display:flex;align-items:center;}
.pg-search i{position:absolute;left:12px;font-size:13px;color:var(--pg-faint);pointer-events:none;}
.pg-search input{
  width:196px;height:40px;margin:0;padding:0 12px 0 34px;
  border:1px solid var(--pg-line);border-radius:var(--pg-r-input);
  background:#fff;font-size:14px;color:var(--pg-text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.pg-search input::placeholder{color:var(--pg-faint);}
.pg-search input:focus{outline:none;border-color:var(--pg-ink);box-shadow:0 0 0 3px rgba(23,73,60,.10);}
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;font-size:15px;font-weight:600;line-height:1;
  border-radius:var(--pg-r-btn);border:1px solid transparent;background:transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;text-align:center;
}
.pg-btn i{font-size:14px;}
.pg-btn-primary{background:var(--pg-ink);color:#fff;box-shadow:0 1px 0 rgba(14,46,38,.15);}
.pg-btn-primary:hover{background:var(--pg-ink-soft);color:#fff;transform:translateY(-2px);box-shadow:var(--pg-shadow-2);}
.pg-btn-primary:active{transform:translateY(0);}
.pg-btn-outline{border-color:var(--pg-ink);color:var(--pg-ink);background:transparent;}
.pg-btn-outline:hover{background:rgba(23,73,60,.08);color:var(--pg-ink);}
.pg-btn-accent{background:var(--pg-amber);color:#10241d;}
.pg-btn-accent:hover{background:var(--pg-amber-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.22);}
.pg-btn-ghost-light{border-color:rgba(230,239,234,.45);color:#E6EFEA;}
.pg-btn-ghost-light:hover{background:rgba(230,239,234,.12);color:#fff;border-color:rgba(230,239,234,.7);}
.pg-btn-block{width:100%;}
.pg-menu-btn{
  display:none;width:44px;height:44px;border:1px solid var(--pg-line);background:#fff;
  border-radius:var(--pg-r-btn);color:var(--pg-text);align-items:center;justify-content:center;font-size:16px;
}
.pg-menu-btn:hover{border-color:var(--pg-ink);color:var(--pg-ink);}
.pg-drawer{display:none;background:#fff;border-bottom:1px solid var(--pg-line);box-shadow:0 18px 30px rgba(14,46,38,.08);}
.pg-drawer.is-open{display:block;}
.pg-drawer .pg-container{display:flex;flex-direction:column;gap:2px;padding-top:12px;padding-bottom:18px;}
.pg-drawer .pg-nav-link{padding:12px 0;border-bottom:1px solid var(--pg-line);font-size:15px;}
.pg-drawer .pg-nav-link.is-active::after{display:none;}
.pg-drawer .pg-nav-link.is-active{color:var(--pg-ink);font-weight:600;}
.pg-drawer-cta{margin-top:16px;}

/* ---------- 分类页压缩 Hero ---------- */
.pg-cat-hero{
  position:relative;overflow:hidden;
  background-color:var(--pg-ink-deep);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:34px 0 56px;
  min-height:280px;
}
.pg-cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,46,38,.95) 0%,rgba(14,46,38,.90) 55%,rgba(14,46,38,.94) 100%);
}
.pg-cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(230,239,234,.18);
}
.pg-cat-hero .pg-container{position:relative;z-index:2;}
.pg-crumb{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(230,239,234,.68);margin-bottom:22px;}
.pg-crumb a{color:rgba(230,239,234,.78);}
.pg-crumb a:hover{color:#fff;text-decoration:underline;}
.pg-crumb-sep{width:1px;height:12px;background:rgba(230,239,234,.32);display:inline-block;}
.pg-seal{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--pg-amber);color:var(--pg-amber);background:rgba(200,145,47,.10);
  border-radius:4px;padding:4px 10px;font-size:12px;font-weight:600;letter-spacing:.08em;margin-bottom:16px;
}
.pg-cat-hero h1{
  font-size:clamp(26px,3.4vw,40px);
  color:#fff;font-weight:700;letter-spacing:.01em;
  max-width:820px;margin-bottom:16px;
}
.pg-cat-lead{
  color:rgba(230,239,234,.82);font-size:16px;line-height:1.8;
  max-width:700px;margin-bottom:26px;
}
.pg-hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.pg-hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:6px;font-size:13px;
  background:rgba(230,239,234,.08);border:1px solid rgba(230,239,234,.20);
  color:rgba(230,239,234,.90);
}
.pg-hero-chip strong{color:#fff;font-weight:600;}
.pg-hero-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 通用板块 ---------- */
.pg-section{padding:var(--pg-section) 0;}
.pg-section--tight{padding-top:64px;}
.pg-section--mist{background:var(--pg-mist);}
.pg-section--white{background:#fff;}
.pg-section-head{max-width:720px;margin-bottom:44px;}
.pg-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--pg-amber);margin-bottom:12px;
}
.pg-section-head h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.pg-section-head p{font-size:15px;color:var(--pg-muted);}

/* 栅格间距 */
.pg-guttered{margin-left:-14px;margin-right:-14px;}
.pg-guttered > .cell{padding-left:14px;padding-right:14px;}
.pg-grid-tight{margin-left:-10px;margin-right:-10px;}
.pg-grid-tight > .cell{padding-left:10px;padding-right:10px;}

/* ---------- 步骤流 ---------- */
.pg-steps-wrap{display:flex;align-items:flex-start;}
.pg-steps-main{min-width:0;flex:1 1 auto;}
.pg-step{position:relative;display:flex;gap:24px;padding-bottom:42px;}
.pg-step:last-child{padding-bottom:0;}
.pg-step:not(:last-child)::before{
  content:"";position:absolute;left:23px;top:56px;bottom:10px;width:1px;background:var(--pg-line);
}
.pg-step-no{
  position:relative;z-index:1;flex:0 0 48px;width:48px;height:48px;border-radius:50%;
  border:1.5px solid var(--pg-ink);background:#fff;color:var(--pg-ink);
  display:grid;place-items:center;font-size:15px;font-weight:700;
}
.pg-step-body{flex:1 1 auto;min-width:0;padding-top:2px;}
.pg-step-body h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.pg-step-body p{font-size:15.5px;margin-bottom:12px;}
.pg-step-list{margin-bottom:14px;}
.pg-step-list li{
  position:relative;padding-left:18px;font-size:15px;color:var(--pg-muted);line-height:1.85;
}
.pg-step-list li + li{margin-top:.5em;}
.pg-step-list li::before{
  content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;border-radius:50%;
  background:var(--pg-ink);opacity:.55;
}
.pg-step-note{
  display:flex;gap:10px;align-items:flex-start;
  border-left:3px solid var(--pg-amber);background:#fff;
  border-radius:0 var(--pg-r-card) var(--pg-r-card) 0;
  padding:12px 16px;font-size:14px;color:var(--pg-muted);
  box-shadow:var(--pg-shadow-1);
}
.pg-step-note i{color:var(--pg-amber);font-size:13px;margin-top:5px;}
.pg-step-note span{flex:1;}

/* 侧栏 */
.pg-aside{position:sticky;top:calc(var(--pg-header-h) + 24px);display:flex;flex-direction:column;gap:20px;}
.pg-aside-card{
  background:#fff;border:1px solid var(--pg-line);border-radius:var(--pg-r-card);
  box-shadow:var(--pg-shadow-1);padding:24px;
}
.pg-aside-card h3{font-size:17px;margin-bottom:16px;}
.pg-check-list li{
  position:relative;padding-left:26px;font-size:14.5px;color:var(--pg-muted);line-height:1.8;
}
.pg-check-list li + li{margin-top:12px;}
.pg-check-list li i{position:absolute;left:0;top:4px;color:var(--pg-ink);font-size:14px;}
.pg-aside-card--quiet{background:#fff;border-style:dashed;}
.pg-aside-code{
  display:block;background:#F1F0EA;border-radius:6px;padding:12px 14px;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:13px;color:var(--pg-ink-deep);letter-spacing:.02em;margin-bottom:12px;
}
.pg-small{font-size:13px;color:var(--pg-faint);line-height:1.75;}
.pg-aside-card .pg-btn{margin-top:18px;}

/* ---------- 标签组 + 类型卡 ---------- */
.pg-tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.pg-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--pg-r-badge);
  border:1px solid var(--pg-line);background:#fff;color:var(--pg-muted);
  font-size:13.5px;transition:all .18s ease;
}
.pg-tag:hover{border-color:var(--pg-ink);color:var(--pg-ink);}
.pg-tag.is-on{border-color:var(--pg-amber);color:var(--pg-amber-deep);background:rgba(200,145,47,.08);font-weight:600;}
.pg-type-card{
  background:#fff;border:1px solid var(--pg-line);border-radius:var(--pg-r-card);
  box-shadow:var(--pg-shadow-1);padding:24px;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pg-type-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-2);border-color:#D6D3C6;}
.pg-type-card i{font-size:20px;color:var(--pg-ink);display:block;margin-bottom:14px;}
.pg-type-card h3{font-size:17px;font-weight:600;margin-bottom:10px;}
.pg-type-card p{font-size:14px;color:var(--pg-muted);margin:0;}

/* ---------- 安装包核对 ---------- */
.pg-figure{
  background:#fff;border:1px solid var(--pg-line);border-radius:var(--pg-r-card);
  box-shadow:var(--pg-shadow-1);padding:14px;margin-bottom:20px;
}
.pg-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--pg-mist);border-radius:8px;}
.pg-figure figcaption{font-size:13px;color:var(--pg-faint);text-align:center;padding:12px 6px 4px;}
.pg-pack-copy h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px;}
.pg-pack-copy p{font-size:15.5px;margin-bottom:14px;}
.pg-data-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.pg-data{
  flex:1 1 150px;background:#fff;border:1px solid var(--pg-line);border-radius:10px;
  padding:16px 18px;box-shadow:var(--pg-shadow-1);
}
.pg-data b{display:block;font-size:20px;color:var(--pg-ink);font-weight:700;letter-spacing:.01em;margin-bottom:4px;}
.pg-data span{font-size:13px;color:var(--pg-faint);}

/* ---------- 升级前后检查 ---------- */
.pg-beforeafter{
  background:#fff;border:1px solid var(--pg-line);border-radius:var(--pg-r-card);
  box-shadow:var(--pg-shadow-1);padding:26px;height:100%;
}
.pg-beforeafter-head{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.pg-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:4px;
}
.pg-badge--amber{border:1px solid var(--pg-amber);color:var(--pg-amber-deep);background:rgba(200,145,47,.08);}
.pg-badge--ink{border:1px solid var(--pg-ink);color:var(--pg-ink);background:rgba(23,73,60,.07);}
.pg-beforeafter h3{font-size:17px;font-weight:600;}
.pg-beforeafter ul li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--pg-muted);line-height:1.8;
}
.pg-beforeafter ul li + li{margin-top:10px;}
.pg-beforeafter ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;
  background:var(--pg-amber);opacity:.85;
}
.pg-notice{
  display:flex;gap:14px;align-items:flex-start;
  border-left:3px solid var(--pg-ink);background:#fff;
  border-radius:0 var(--pg-r-card) var(--pg-r-card) 0;
  box-shadow:var(--pg-shadow-1);padding:18px 22px;margin-top:28px;
}
.pg-notice i{color:var(--pg-ink);font-size:15px;margin-top:5px;}
.pg-notice div{flex:1;}
.pg-notice strong{display:block;font-size:15px;color:var(--pg-text);margin-bottom:6px;}
.pg-notice p{font-size:14px;margin:0;}

/* ---------- 问答 ---------- */
.pg-qa-card{
  background:#fff;border:1px solid var(--pg-line);border-radius:var(--pg-r-card);
  box-shadow:var(--pg-shadow-1);padding:24px;height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.pg-qa-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-2);}
.pg-qa-card h3{font-size:16.5px;font-weight:600;margin-bottom:10px;padding-left:14px;position:relative;}
.pg-qa-card h3::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:3px;border-radius:2px;background:var(--pg-ink);
}
.pg-qa-card p{font-size:14.5px;color:var(--pg-muted);margin:0;}

/* ---------- 底部 CTA ---------- */
.pg-cta{background:var(--pg-ink-deep);color:#fff;padding:82px 0;}
.pg-cta h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.pg-cta p{color:rgba(230,239,234,.78);font-size:15.5px;max-width:620px;}
.pg-cta-grid{display:flex;flex-wrap:wrap;gap:16px;margin:30px 0 34px;}
.pg-cta-grid .pg-btn{min-height:48px;padding:14px 26px;}
.pg-cta-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;
  border-top:1px solid rgba(255,255,255,.12);padding-top:28px;
}
.pg-qr{
  width:120px;height:120px;border-radius:12px;flex:0 0 120px;
  border:1px dashed rgba(230,239,234,.40);background:rgba(230,239,234,.06);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:rgba(230,239,234,.70);font-size:12px;text-align:center;line-height:1.5;
}
.pg-qr i{font-size:22px;}
.pg-cta-meta{flex:1 1 260px;min-width:0;}
.pg-cta-meta dl{display:flex;flex-wrap:wrap;gap:10px 32px;margin:0;}
.pg-cta-meta dt{font-size:12px;color:rgba(230,239,234,.60);margin-bottom:2px;}
.pg-cta-meta dd{margin:0;font-size:14px;color:#fff;}

/* ---------- 页脚 ---------- */
.pg-footer{background:var(--pg-ink-deep);color:#E6EFEA;padding:70px 0 28px;}
.pg-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.pg-footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px;}
.pg-footer p{color:rgba(230,239,234,.70);font-size:14px;line-height:1.85;}
.pg-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.pg-footer ul li + li{margin-top:10px;}
.pg-footer ul a{font-size:14px;color:rgba(230,239,234,.70);}
.pg-footer ul a:hover{color:#fff;text-decoration:underline;}
.pg-footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:24px;
}
.pg-footer-bottom p{font-size:13px;color:rgba(230,239,234,.60);margin:0;}
.pg-top-btn{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;
  padding:10px 18px;border-radius:var(--pg-r-btn);font-size:13.5px;
  background:rgba(230,239,234,.08);border:1px solid rgba(230,239,234,.24);color:#E6EFEA;
  transition:background .18s ease,color .18s ease;
}
.pg-top-btn:hover{background:rgba(230,239,234,.16);color:#fff;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .pg-nav-menu{gap:16px;}
  .pg-nav-link{font-size:14px;}
  .pg-search input{width:160px;}
}
@media screen and (max-width:1023px){
  :root{--pg-section:72px;--pg-header-h:56px;}
  .pg-nav-menu,.pg-search{display:none;}
  .pg-menu-btn{display:inline-flex;}
  .pg-logo{font-size:16px;}
  .pg-aside{position:static;margin-top:32px;}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .pg-cta{padding:64px 0;}
  .pg-cat-hero{padding:28px 0 46px;}
  .pg-step:not(:last-child)::before{left:19px;top:50px;}
  .pg-step-no{flex:0 0 40px;width:40px;height:40px;font-size:14px;}
}
@media screen and (max-width:767px){
  .pg-container{padding:0 18px;}
  .pg-guttered{margin-left:-10px;margin-right:-10px;}
  .pg-guttered > .cell{padding-left:10px;padding-right:10px;}
  .pg-guttered > .cell + .cell{margin-top:20px;}
  .pg-type-card,.pg-qa-card,.pg-beforeafter,.pg-aside-card{padding:20px;}
  .pg-step{gap:16px;padding-bottom:34px;}
  .pg-step:not(:last-child)::before{left:19px;top:50px;}
  .pg-cta-grid .pg-btn{width:100%;}
  .pg-cta-bottom{flex-direction:column;align-items:stretch;}
  .pg-qr{width:100%;height:auto;padding:22px 16px;flex:0 0 auto;}
}
@media screen and (max-width:639px){
  :root{--pg-section:56px;}
  body{font-size:15.5px;}
  .pg-cat-hero h1{font-size:24px;}
  .pg-cat-lead{font-size:15px;}
  .pg-hero-actions .pg-btn{width:100%;}
  .pg-footer-grid{grid-template-columns:1fr;gap:28px;}
  .pg-footer{padding:56px 0 24px;}
  .pg-footer-bottom{flex-direction:column;align-items:flex-start;}
  .pg-cta{padding:56px 0;}
}

/* roulang page: category3 */
:root{
  --pg-primary:#17493C;
  --pg-primary-deep:#0E2E26;
  --pg-primary-hover:#0F3A2F;
  --pg-soft:#E6EFEA;
  --pg-accent:#C8912F;
  --pg-accent-deep:#A97722;
  --pg-bg:#F6F5F0;
  --pg-card:#FFFFFF;
  --pg-line:#E3E1D8;
  --pg-text:#1A211E;
  --pg-text-2:#5A6660;
  --pg-text-3:#8A948E;
  --pg-r-card:12px;
  --pg-r-btn:8px;
  --pg-r-badge:6px;
  --pg-r-input:8px;
  --pg-shadow:0 1px 0 #E3E1D8,0 6px 20px rgba(14,46,38,.05);
  --pg-shadow-hover:0 10px 28px rgba(14,46,38,.10);
  --pg-nav-h:64px;
  --pg-section:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--pg-bg);
  color:var(--pg-text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border-radius:12px;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.01em;font-style:normal;}
p{margin:0;}
button{font-family:inherit;}
input,button{font-family:inherit;font-size:15px;}
::selection{background:rgba(23,73,60,.16);}
:focus-visible{outline:2px solid var(--pg-accent);outline-offset:2px;}

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

/* ============ 导航 ============ */
.pg-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:rgba(246,245,240,.92);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pg-header.is-scrolled{
  background:#F6F5F0;
  border-bottom-color:var(--pg-line);
  box-shadow:0 2px 14px rgba(14,46,38,.07);
}
.pg-nav{
  display:flex;
  align-items:center;
  gap:26px;
  height:var(--pg-nav-h);
}
.pg-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--pg-primary-deep);
  white-space:nowrap;
}
.pg-logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  background:var(--pg-primary);
  color:#fff;
  border-radius:var(--pg-r-btn);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  flex:none;
}
.pg-nav-menu{
  display:flex;
  align-items:center;
  gap:22px;
  margin-left:6px;
}
.pg-nav-link{
  position:relative;
  font-size:15px;
  color:var(--pg-text-2);
  padding:6px 0;
  white-space:nowrap;
}
.pg-nav-link:hover{color:var(--pg-primary);}
.pg-nav-link.is-active{color:var(--pg-primary-deep);font-weight:600;}
.pg-nav-link.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-8px;
  height:2px;
  border-radius:2px;
  background:var(--pg-primary);
}
.pg-nav-side{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.pg-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:42px;
  min-width:210px;
  padding:0 12px;
  background:#fff;
  border:1px solid var(--pg-line);
  border-radius:var(--pg-r-input);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.pg-search i{color:var(--pg-text-3);font-size:13px;}
.pg-search input{
  width:100%;
  height:100%;
  border:0;
  outline:0;
  background:transparent;
  color:var(--pg-text);
  font-size:14px;
}
.pg-search input::placeholder{color:var(--pg-text-3);}
.pg-search:focus-within{
  border-color:var(--pg-primary);
  box-shadow:0 0 0 3px rgba(23,73,60,.10);
}
.pg-menu-btn{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  background:#fff;
  border:1px solid var(--pg-line);
  border-radius:var(--pg-r-btn);
  color:var(--pg-primary-deep);
  font-size:17px;
  cursor:pointer;
}
.pg-drawer{
  display:none;
  position:absolute;
  top:100%;left:0;right:0;
  background:#fff;
  border-bottom:1px solid var(--pg-line);
  box-shadow:0 14px 30px rgba(14,46,38,.10);
  padding:16px 0 22px;
}
.pg-drawer.is-open{display:block;}
.pg-drawer .pg-nav-link{
  display:block;
  padding:14px 0;
  font-size:15px;
  border-bottom:1px solid var(--pg-line);
}
.pg-drawer .pg-nav-link.is-active::after{display:none;}
.pg-drawer-cta{margin-top:18px;}

/* ============ 按钮 ============ */
.pg-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border-radius:var(--pg-r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.pg-btn-primary{background:var(--pg-primary);color:#fff;}
.pg-btn-primary:hover{background:var(--pg-primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 28px rgba(14,46,38,.20);}
.pg-btn-outline{border-color:var(--pg-primary);color:var(--pg-primary);background:transparent;}
.pg-btn-outline:hover{background:rgba(23,73,60,.08);transform:translateY(-2px);}
.pg-btn-light{background:#F6F5F0;color:var(--pg-primary-deep);}
.pg-btn-light:hover{background:#fff;transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.18);}
.pg-btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.pg-btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.pg-btn-block{width:100%;}

/* ============ 面包屑 / 分类 Hero ============ */
.pg-crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:rgba(246,245,240,.66);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.pg-crumb a{color:rgba(246,245,240,.78);}
.pg-crumb a:hover{color:#fff;text-decoration:underline;}
.pg-crumb-sep{
  width:1px;height:12px;
  background:rgba(255,255,255,.35);
  display:inline-block;
}
.pg-cat-hero{
  position:relative;
  margin-top:var(--pg-nav-h);
  padding:104px 0 64px;
  background:var(--pg-primary-deep);
  overflow:hidden;
}
.pg-cat-hero-bg{
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  opacity:.40;
}
.pg-cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(14,46,38,.94) 0%,rgba(14,46,38,.78) 46%,rgba(14,46,38,.34) 100%);
}
.pg-cat-hero .pg-container{position:relative;z-index:2;}
.pg-seal{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 11px;
  margin-bottom:18px;
  border:1px solid rgba(200,145,47,.72);
  border-radius:4px;
  background:rgba(200,145,47,.14);
  color:#EBC98A;
  font-size:13px;
  letter-spacing:.04em;
}
.pg-cat-title{
  font-size:clamp(28px,4.4vw,44px);
  font-weight:700;
  color:#fff;
  max-width:840px;
  margin-bottom:16px;
}
.pg-cat-sub{
  font-size:16.5px;
  color:rgba(246,245,240,.80);
  max-width:640px;
  margin-bottom:30px;
}
.pg-cat-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 通用板块 ============ */
.pg-section{padding:var(--pg-section) 0;}
.pg-section.is-soft{background:#fff;}
.pg-section.is-deep{background:var(--pg-primary-deep);color:#fff;}
.pg-section-head{max-width:760px;margin-bottom:46px;}
.pg-eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--pg-accent-deep);
  margin-bottom:12px;
}
.pg-h2{
  font-size:clamp(22px,2.6vw,30px);
  color:var(--pg-primary-deep);
  margin-bottom:14px;
}
.pg-section.is-deep .pg-h2{color:#fff;}
.pg-lead{
  font-size:16px;
  color:var(--pg-text-2);
}
.pg-section.is-deep .pg-lead{color:rgba(246,245,240,.78);}
.pg-row-gap{margin-bottom:-24px;}
.pg-row-gap > .cell{margin-bottom:24px;}

/* ============ 关键提示条 ============ */
.pg-keypoint{
  height:100%;
  background:var(--pg-card);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-r-card);
  padding:24px;
  box-shadow:var(--pg-shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.pg-keypoint:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-hover);}
.pg-keypoint-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:38px;
  height:26px;
  padding:0 8px;
  border-radius:var(--pg-r-badge);
  background:var(--pg-soft);
  color:var(--pg-primary);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.pg-keypoint h3{
  font-size:17px;
  color:var(--pg-primary-deep);
  margin-bottom:8px;
  font-weight:600;
}
.pg-keypoint p{font-size:14.5px;color:var(--pg-text-2);}

/* ============ 大卡片网格 ============ */
.pg-bigcard{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--pg-card);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-r-card);
  overflow:hidden;
  box-shadow:var(--pg-shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.pg-bigcard:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-hover);}
.pg-bigcard-media{
  position:relative;
  aspect-ratio:16/9;
  background:var(--pg-soft);
  overflow:hidden;
}
.pg-bigcard-media img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .3s ease;
}
.pg-bigcard:hover .pg-bigcard-media img{transform:scale(1.03);}
.pg-bigcard-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
  padding:24px;
}
.pg-bigcard-body h3{
  font-size:19px;
  color:var(--pg-primary-deep);
  font-weight:600;
}
.pg-bigcard-body p{font-size:14.5px;color:var(--pg-text-2);}
.pg-taglist{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:12px;}
.pg-tag{
  font-size:12px;
  line-height:1.6;
  padding:3px 10px;
  border-radius:var(--pg-r-badge);
  border:1px solid rgba(200,145,47,.45);
  background:rgba(200,145,47,.08);
  color:#8A6420;
  white-space:nowrap;
}
.pg-tag.is-brand{
  border-color:rgba(23,73,60,.28);
  background:var(--pg-soft);
  color:var(--pg-primary);
}

/* ============ 场景卡 ============ */
.pg-scene{
  height:100%;
  padding:24px;
  border-radius:var(--pg-r-card);
  background:var(--pg-soft);
  border:1px solid #D3E2D9;
}
.pg-scene i{font-size:22px;color:var(--pg-primary);}
.pg-scene h3{
  font-size:17px;
  color:var(--pg-primary-deep);
  margin:14px 0 8px;
  font-weight:600;
}
.pg-scene p{font-size:14.5px;color:var(--pg-text-2);}

/* ============ 步骤流 ============ */
.pg-step{position:relative;padding-top:56px;height:100%;}
.pg-step-num{
  position:absolute;
  top:0;left:0;
  display:flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border:1px solid var(--pg-primary);
  border-radius:50%;
  background:#fff;
  color:var(--pg-primary);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  font-size:15px;
}
.pg-step::before{
  content:"";
  position:absolute;
  top:20px;
  left:52px;
  right:-20px;
  height:1px;
  background:var(--pg-line);
}
.pg-step:last-child::before{display:none;}
.pg-step h3{
  font-size:17px;
  color:var(--pg-primary-deep);
  margin-bottom:8px;
  font-weight:600;
}
.pg-step p{font-size:14.5px;color:var(--pg-text-2);}

/* ============ FAQ 双列卡 ============ */
.pg-faq-card{
  height:100%;
  background:var(--pg-card);
  border:1px solid var(--pg-line);
  border-left:3px solid var(--pg-primary);
  border-radius:var(--pg-r-card);
  padding:24px;
  box-shadow:var(--pg-shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.pg-faq-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-hover);}
.pg-faq-card h3{
  font-size:16px;
  color:var(--pg-primary-deep);
  margin-bottom:10px;
  font-weight:600;
}
.pg-faq-card p{font-size:14.5px;color:var(--pg-text-2);}

/* ============ CTA ============ */
.pg-cta{
  background:var(--pg-primary-deep);
  color:#fff;
  padding:72px 0;
}
.pg-cta-inner{
  display:grid;
  grid-template-columns:1.5fr .9fr;
  gap:44px;
  align-items:center;
}
.pg-cta h2{
  font-size:clamp(22px,2.6vw,30px);
  color:#fff;
  margin-bottom:14px;
}
.pg-cta p{color:rgba(246,245,240,.78);font-size:15.5px;margin-bottom:26px;}
.pg-cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.pg-qr-box{
  display:flex;
  align-items:center;
  gap:18px;
  padding:22px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--pg-r-card);
  background:rgba(255,255,255,.04);
}
.pg-qr{
  width:120px;height:120px;
  flex:none;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
  border:1px dashed rgba(255,255,255,.42);
  border-radius:var(--pg-r-card);
  color:rgba(246,245,240,.82);
  font-size:12px;
  text-align:center;
  line-height:1.5;
}
.pg-qr i{font-size:26px;color:#EBC98A;}
.pg-qr-meta{font-size:13.5px;color:rgba(246,245,240,.72);line-height:1.8;}
.pg-qr-meta strong{display:block;color:#fff;font-size:14.5px;margin-bottom:6px;font-weight:600;font-variant-numeric:tabular-nums;}

/* ============ 页脚 ============ */
.pg-footer{
  background:var(--pg-primary-deep);
  color:rgba(246,245,240,.78);
  padding:64px 0 28px;
  font-size:14px;
}
.pg-footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.pg-footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:17px;
  font-weight:700;
  margin-bottom:14px;
}
.pg-footer h4{
  font-size:14px;
  font-weight:600;
  color:#F6F5F0;
  margin-bottom:16px;
}
.pg-footer li{margin-bottom:10px;}
.pg-footer a{color:rgba(246,245,240,.70);}
.pg-footer a:hover{color:#fff;text-decoration:underline;}
.pg-footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
}
.pg-footer-bottom p{
  margin:0;
  font-size:13px;
  color:rgba(246,245,240,.62);
}
.pg-top-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:8px 16px;
  background:transparent;
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--pg-r-btn);
  color:rgba(255,255,255,.85);
  font-size:14px;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.pg-top-btn:hover{background:#fff;color:var(--pg-primary-deep);border-color:#fff;}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--pg-section:72px;--pg-nav-h:64px;}
  .pg-nav-menu{display:none;}
  .pg-menu-btn{display:inline-flex;}
  .pg-search{display:none;}
  .pg-cta-inner{grid-template-columns:1fr;gap:32px;}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .pg-step::before{display:none;}
  .pg-step{padding-top:0;padding-left:58px;}
  .pg-step-num{top:2px;}
  .pg-row-gap > .cell{margin-bottom:20px;}
}
@media screen and (max-width:640px){
  :root{--pg-section:56px;--pg-nav-h:56px;}
  body{font-size:15.5px;line-height:1.8;}
  .pg-container{padding:0 18px;}
  .pg-logo{font-size:16px;}
  .pg-logo-mark{width:30px;height:30px;font-size:12px;}
  .pg-cat-hero{padding:72px 0 48px;}
  .pg-cat-sub{font-size:15px;}
  .pg-cat-actions .pg-btn{width:100%;}
  .pg-bigcard-body,.pg-keypoint,.pg-faq-card,.pg-scene{padding:20px;}
  .pg-steps-wrap .pg-step{padding-left:0;padding-top:56px;}
  .pg-steps-wrap .pg-step-num{top:0;}
  .pg-qr-box{flex-direction:column;align-items:flex-start;}
  .pg-cta{padding:56px 0;}
  .pg-footer{padding:48px 0 24px;}
  .pg-footer-grid{grid-template-columns:1fr;}
  .pg-footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category5 */
:root{
  --primary:#17493C;
  --primary-deep:#0E2E26;
  --primary-soft:#E6EFEA;
  --accent:#C8912F;
  --accent-deep:#A97722;
  --bg:#F6F5F0;
  --card:#FFFFFF;
  --line:#E3E1D8;
  --text:#1A211E;
  --text-2:#5A6660;
  --text-3:#8A948E;
  --radius-card:12px;
  --radius-btn:8px;
  --radius-badge:6px;
  --shadow-1:0 1px 0 #E3E1D8, 0 6px 20px rgba(14,46,38,.05);
  --shadow-2:0 10px 28px rgba(14,46,38,.10);
  --sect:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-deep);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--text);line-height:1.35;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

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

/* ---------- header ---------- */
.pg-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(1.2) blur(8px);
  transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.pg-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 1px 0 #E3E1D8, 0 6px 20px rgba(14,46,38,.05);
}
.pg-nav{display:flex;align-items:center;justify-content:space-between;gap:22px;height:64px;}
.pg-logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);letter-spacing:.02em;}
.pg-logo:hover{color:var(--primary);}
.pg-logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:8px;
  background:var(--primary);color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em;
}
.pg-nav-menu{display:flex;align-items:center;gap:2px;margin-right:auto;}
.pg-nav-link{
  position:relative;display:inline-block;
  padding:20px 11px;font-size:14.5px;font-weight:500;color:var(--text-2);
  white-space:nowrap;
}
.pg-nav-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:13px;height:2px;border-radius:2px;
  background:transparent;transition:background .2s ease;
}
.pg-nav-link:hover{color:var(--primary);}
.pg-nav-link.is-active{color:var(--primary);font-weight:600;}
.pg-nav-link.is-active::after{background:var(--primary);}
.pg-nav-side{display:flex;align-items:center;gap:12px;}
.pg-search{
  position:relative;display:flex;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  height:38px;padding:0 12px;transition:border-color .2s ease,box-shadow .2s ease;
}
.pg-search i{color:var(--text-3);font-size:13px;margin-right:8px;}
.pg-search input{
  border:0;outline:0;background:transparent;font-size:14px;color:var(--text);
  width:150px;height:100%;font-family:inherit;
}
.pg-search input::placeholder{color:var(--text-3);}
.pg-search:focus-within{border-color:var(--primary);box-shadow:0 2px 10px rgba(23,73,60,.12);}
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:12px 24px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.pg-btn-primary{background:var(--primary);color:#fff;}
.pg-btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.pg-btn-outline{background:transparent;border-color:var(--primary);color:var(--primary);}
.pg-btn-outline:hover{background:rgba(23,73,60,.08);color:var(--primary);transform:translateY(-2px);}
.pg-btn-light{background:#fff;color:var(--primary-deep);}
.pg-btn-light:hover{background:var(--primary-soft);color:var(--primary-deep);transform:translateY(-2px);}
.pg-btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.pg-btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.pg-btn-block{width:100%;}
.pg-nav-side .pg-btn{padding:11px 18px;font-size:14px;}
.pg-menu-btn{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  background:#fff;border:1px solid var(--line);color:var(--primary);font-size:16px;cursor:pointer;
}
.pg-menu-btn:hover{border-color:var(--primary);}

.pg-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 20px;}
.pg-drawer.is-open{display:block;}
.pg-drawer .pg-nav-link{display:block;padding:12px 0;font-size:15px;}
.pg-drawer .pg-nav-link::after{display:none;}
.pg-drawer .pg-nav-link.is-active{color:var(--primary);}
.pg-drawer-cta{margin-top:14px;}

/* ---------- hero ---------- */
.pg-hero{
  position:relative;overflow:hidden;
  background:var(--primary-deep);
  color:#fff;
  padding:56px 0 52px;
}
.pg-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.26;
}
.pg-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(14,46,38,.94) 0%,rgba(14,46,38,.74) 58%,rgba(14,46,38,.52) 100%);
}
.pg-hero-inner{position:relative;z-index:2;max-width:780px;}
.pg-crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px;flex-wrap:wrap;}
.pg-crumb a{color:rgba(255,255,255,.78);}
.pg-crumb a:hover{color:#fff;text-decoration:underline;}
.pg-crumb span.sep{width:1px;height:12px;background:rgba(255,255,255,.34);display:inline-block;}
.pg-seal{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:4px 10px;border:1px solid var(--accent);border-radius:4px;
  color:var(--accent);background:rgba(200,145,47,.10);
  margin-bottom:18px;
}
.pg-hero h1{font-size:clamp(26px,4.2vw,40px);color:#fff;letter-spacing:.01em;}
.pg-hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px;}
.pg-hero-meta{
  margin-top:28px;display:flex;flex-wrap:wrap;gap:26px;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
}
.pg-hero-meta div{font-size:13px;color:rgba(255,255,255,.62);}
.pg-hero-meta strong{display:block;font-size:20px;color:#fff;font-weight:700;margin-bottom:2px;}

/* ---------- sections ---------- */
.pg-main{padding:var(--sect) 0 0;}
.pg-section{padding-bottom:var(--sect);}
.pg-section-head{max-width:720px;margin-bottom:38px;}
.pg-eyebrow{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.14em;
  color:var(--accent-deep);text-transform:uppercase;margin-bottom:12px;
}
.pg-section-head h2{font-size:clamp(22px,3vw,30px);}
.pg-section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;}

.pg-notice{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--primary);
  border-radius:var(--radius-card);padding:22px 24px;box-shadow:var(--shadow-1);
}
.pg-notice i{color:var(--accent);font-size:22px;line-height:1.4;}
.pg-notice h3{font-size:16.5px;margin-bottom:6px;}
.pg-notice p{font-size:14.5px;color:var(--text-2);}

.pg-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pg-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;color:var(--primary);
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 15px;transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.pg-tag i{font-size:11px;color:var(--accent);}
.pg-tag:hover{border-color:var(--primary);transform:translateY(-2px);color:var(--primary);}

/* timeline */
.pg-timeline{position:relative;padding-left:38px;}
.pg-timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,rgba(23,73,60,.18) 100%);
}
.pg-timeline-item{position:relative;padding-bottom:34px;}
.pg-timeline-item:last-child{padding-bottom:0;}
.pg-timeline-dot{
  position:absolute;left:-38px;top:6px;
  width:20px;height:20px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;color:var(--primary);
}
.pg-timeline-item h3{font-size:17.5px;margin-bottom:8px;}
.pg-timeline-item p{font-size:14.8px;color:var(--text-2);max-width:760px;}
.pg-timeline-note{
  margin-top:12px;font-size:13.5px;color:var(--primary);
  background:var(--primary-soft);border-radius:var(--radius-btn);
  padding:9px 14px;display:inline-block;
}

/* split figure */
.pg-split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.pg-figure{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  background:var(--primary-soft);box-shadow:var(--shadow-1);
}
.pg-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.pg-figure figcaption{font-size:13px;color:var(--text-3);padding:12px 18px;background:#fff;border-top:1px solid var(--line);}
.pg-check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text-2);
}
.pg-check-list li:last-child{border-bottom:0;}
.pg-check-list i{color:var(--primary);font-size:14px;margin-top:6px;}

/* stats */
.pg-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pg-stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.pg-stat:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.pg-stat strong{display:block;font-size:30px;font-weight:700;color:var(--primary);line-height:1.2;}
.pg-stat span{display:block;margin-top:8px;font-size:13.8px;color:var(--text-2);line-height:1.7;}

/* faq */
.pg-faq{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:8px 26px;box-shadow:var(--shadow-1);}
.pg-faq-item{border-bottom:1px solid var(--line);}
.pg-faq-item:last-child{border-bottom:0;}
.pg-faq-q{
  width:100%;background:transparent;border:0;border-left:3px solid transparent;
  text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0 20px 14px;font-size:16px;font-weight:600;color:var(--text);
  transition:border-color .2s ease,color .2s ease;
}
.pg-faq-q:hover{color:var(--primary);}
.pg-faq-q i{color:var(--text-3);font-size:13px;transition:transform .2s ease,color .2s ease;flex:0 0 auto;}
.pg-faq-item.is-open .pg-faq-q{border-left-color:var(--primary);color:var(--primary);}
.pg-faq-item.is-open .pg-faq-q i{transform:rotate(180deg);color:var(--primary);}
.pg-faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.pg-faq-a p{padding:0 14px 20px 17px;font-size:14.6px;color:var(--text-2);}

/* cards */
.pg-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.pg-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pg-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5D2C6;}
.pg-card i.pg-card-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:var(--primary-soft);color:var(--primary);font-size:17px;margin-bottom:16px;}
.pg-card h3{font-size:17px;margin-bottom:10px;}
.pg-card p{font-size:14.4px;color:var(--text-2);}
.pg-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:3px 9px;border-radius:var(--radius-badge);
  border:1px solid var(--accent);color:var(--accent-deep);background:rgba(200,145,47,.10);
}
.pg-badge-solid{border-color:transparent;background:var(--primary-soft);color:var(--primary);}

/* cta */
.pg-cta{
  background:var(--primary-deep);border-radius:16px;color:#fff;
  padding:56px 48px;position:relative;overflow:hidden;
}
.pg-cta::before{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,145,47,.22) 0%,rgba(200,145,47,0) 70%);
}
.pg-cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;}
.pg-cta h2{color:#fff;font-size:clamp(21px,2.6vw,27px);}
.pg-cta p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.76);max-width:520px;}
.pg-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.pg-qr{
  justify-self:end;
  width:120px;height:120px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px dashed rgba(255,255,255,.38);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.72);font-size:12px;text-align:center;line-height:1.6;
}

/* footer */
.pg-footer{background:var(--primary-deep);color:#EDF3F0;margin-top:var(--sect);padding:64px 0 28px;}
.pg-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.pg-footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:700;color:#fff;margin-bottom:16px;}
.pg-footer-brand .pg-logo-mark{background:rgba(255,255,255,.14);}
.pg-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.70);}
.pg-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.pg-footer ul li{margin-bottom:10px;}
.pg-footer ul a{font-size:14px;color:rgba(255,255,255,.70);}
.pg-footer ul a:hover{color:#fff;text-decoration:underline;}
.pg-footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.pg-footer-bottom p{font-size:13px;color:rgba(255,255,255,.62);margin:0;}
.pg-top-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:1px solid rgba(255,255,255,.36);color:#fff;
  border-radius:var(--radius-btn);padding:10px 18px;font-size:13.5px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.pg-top-btn:hover{background:rgba(255,255,255,.12);border-color:#fff;}

/* responsive */
@media screen and (max-width:1024px){
  :root{--sect:72px;}
  .pg-nav-menu,.pg-nav-side .pg-search,.pg-nav-side .pg-btn{display:none;}
  .pg-menu-btn{display:inline-flex;align-items:center;justify-content:center;}
  .pg-stats{grid-template-columns:repeat(2,1fr);}
  .pg-cards{grid-template-columns:repeat(2,1fr);}
  .pg-split{grid-template-columns:1fr;gap:30px;}
  .pg-cta-inner{grid-template-columns:1fr;}
  .pg-qr{justify-self:start;}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:768px){
  .pg-nav{height:56px;}
  .pg-hero{padding:44px 0 40px;}
  .pg-hero-meta{gap:20px;}
  .pg-cards{grid-template-columns:1fr;}
  .pg-faq{padding:6px 18px;}
  .pg-cta{padding:40px 24px;}
  .pg-footer{padding-top:48px;}
}
@media screen and (max-width:520px){
  .pg-container{padding:0 18px;}
  :root{--sect:56px;}
  .pg-stats{grid-template-columns:1fr;}
  .pg-logo span:last-child{font-size:15.5px;}
  .pg-hero-meta{flex-direction:column;gap:14px;}
  .pg-cta-actions .pg-btn{width:100%;}
  .pg-footer-grid{grid-template-columns:1fr;}
  .pg-footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
:root{
  --pg-primary:#17493C;
  --pg-primary-dark:#0E2E26;
  --pg-primary-soft:#E6EFEA;
  --pg-accent:#C8912F;
  --pg-accent-dark:#A97722;
  --pg-bg:#F6F5F0;
  --pg-card:#FFFFFF;
  --pg-line:#E3E1D8;
  --pg-text:#1A211E;
  --pg-text-2:#5A6660;
  --pg-text-3:#8A948E;
  --pg-radius-card:12px;
  --pg-radius-btn:8px;
  --pg-radius-input:8px;
  --pg-radius-badge:6px;
  --pg-shadow-1:0 1px 0 #E3E1D8, 0 6px 20px rgba(14,46,38,.05);
  --pg-shadow-2:0 10px 28px rgba(14,46,38,.10);
  --pg-nav-h:64px;
  --pg-section:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--pg-text);
  background:var(--pg-bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--pg-primary);text-decoration:none;transition:color .18s ease;}
a:hover,a:focus{color:var(--pg-accent-dark);}
p{margin:0 0 1.2em;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-weight:700;letter-spacing:.01em;margin:0;line-height:1.4;font-style:normal;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--pg-accent);outline-offset:2px;}

.pg-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.pg-section{padding:var(--pg-section) 0;}
.pg-section-alt{background:#FFFFFF;}
.pg-section-dark{background:var(--pg-primary-dark);color:#F6F5F0;}
.pg-section-head{max-width:760px;margin-bottom:48px;}
.pg-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--pg-primary);text-transform:uppercase;
  margin-bottom:14px;
}
.pg-eyebrow::before{content:"";width:22px;height:2px;background:var(--pg-accent);display:inline-block;}
.pg-section-title{font-size:clamp(22px,3vw,30px);color:var(--pg-text);margin-bottom:14px;}
.pg-section-dark .pg-section-title{color:#FFFFFF;}
.pg-section-sub{font-size:15px;color:var(--pg-text-2);margin:0;line-height:1.85;}
.pg-section-dark .pg-section-sub{color:rgba(246,245,240,.76);}

/* ---------- header / nav ---------- */
.pg-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(6px);
  transition:background .22s ease, box-shadow .22s ease, border-color .22s ease;
  border-bottom:1px solid transparent;
}
.pg-header.is-solid{
  background:#FFFFFF;
  border-bottom:1px solid var(--pg-line);
  box-shadow:0 1px 0 #E3E1D8, 0 6px 20px rgba(14,46,38,.06);
}
.pg-nav{display:flex;align-items:center;gap:28px;height:var(--pg-nav-h);}
.pg-logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--pg-text);letter-spacing:.01em;}
.pg-logo:hover{color:var(--pg-primary);}
.pg-logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:8px;
  background:var(--pg-primary);color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em;
}
.pg-nav-menu{display:flex;align-items:center;gap:22px;margin-left:8px;}
.pg-nav-link{
  position:relative;font-size:15px;color:var(--pg-text-2);padding:6px 0;white-space:nowrap;
}
.pg-nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--pg-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.pg-nav-link:hover{color:var(--pg-primary);}
.pg-nav-link:hover::after,.pg-nav-link.is-active::after{transform:scaleX(1);}
.pg-nav-link.is-active{color:var(--pg-text);font-weight:600;}
.pg-nav-side{margin-left:auto;display:flex;align-items:center;gap:12px;}
.pg-search{
  display:flex;align-items:center;gap:8px;
  background:#FFFFFF;border:1px solid var(--pg-line);border-radius:var(--pg-radius-input);
  padding:0 12px;height:40px;transition:border-color .18s ease, box-shadow .18s ease;
}
.pg-search i{color:var(--pg-text-3);font-size:13px;}
.pg-search:focus-within{border-color:var(--pg-primary);box-shadow:0 0 0 3px rgba(23,73,60,.08);}
.pg-search input{
  border:0;outline:0;background:transparent;font-size:14px;color:var(--pg-text);
  width:150px;height:38px;font-family:inherit;
}
.pg-search input::placeholder{color:var(--pg-text-3);}
.pg-menu-btn{
  display:none;width:44px;height:44px;border-radius:8px;
  border:1px solid var(--pg-line);background:#fff;color:var(--pg-text);font-size:16px;cursor:pointer;
}
.pg-menu-btn:hover{border-color:var(--pg-primary);color:var(--pg-primary);}
.pg-drawer{
  display:none;background:#FFFFFF;border-bottom:1px solid var(--pg-line);
  max-height:0;overflow:hidden;transition:max-height .25s ease;
}
.pg-drawer.is-open{max-height:520px;}
.pg-drawer .pg-nav-link{display:block;padding:12px 0;border-bottom:1px solid var(--pg-line);}
.pg-drawer .pg-nav-link::after{display:none;}
.pg-drawer-cta{padding:16px 0 20px;}

/* ---------- buttons ---------- */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--pg-radius-btn);
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  min-height:44px;
}
.pg-btn-primary{background:var(--pg-primary);color:#FFFFFF;border-color:var(--pg-primary);}
.pg-btn-primary:hover{background:var(--pg-accent-dark);border-color:var(--pg-accent-dark);color:#FFFFFF;transform:translateY(-2px);box-shadow:var(--pg-shadow-2);}
.pg-btn-ghost{background:transparent;color:var(--pg-primary);border-color:var(--pg-primary);}
.pg-btn-ghost:hover{background:rgba(23,73,60,.08);color:var(--pg-primary);transform:translateY(-2px);}
.pg-btn-light{background:#FFFFFF;color:var(--pg-primary-dark);border-color:#FFFFFF;}
.pg-btn-light:hover{background:var(--pg-primary-soft);color:var(--pg-primary-dark);transform:translateY(-2px);}
.pg-btn-outline-light{background:transparent;color:#FFFFFF;border-color:rgba(255,255,255,.5);}
.pg-btn-outline-light:hover{background:rgba(255,255,255,.12);color:#FFFFFF;border-color:#FFFFFF;transform:translateY(-2px);}
.pg-btn-block{width:100%;}
.pg-link-arrow{font-size:15px;font-weight:600;color:var(--pg-primary);display:inline-flex;align-items:center;gap:6px;}
.pg-link-arrow i{transition:transform .18s ease;}
.pg-link-arrow:hover i{transform:translateX(3px);}

/* ---------- hero (compact) ---------- */
.pg-hero{
  position:relative;overflow:hidden;color:#F6F5F0;background:var(--pg-primary-dark);
  padding:calc(var(--pg-nav-h) + 56px) 0 68px;
}
.pg-hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.26;}
.pg-hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,46,38,.94) 0%,rgba(14,46,38,.78) 52%,rgba(14,46,38,.48) 100%);}
.pg-hero .pg-container{position:relative;z-index:2;}
.pg-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(246,245,240,.72);margin-bottom:20px;flex-wrap:wrap;}
.pg-crumb a{color:rgba(246,245,240,.72);}
.pg-crumb a:hover{color:#FFFFFF;}
.pg-crumb span.sep{width:1px;height:12px;background:rgba(255,255,255,.32);display:inline-block;}
.pg-seal{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(200,145,47,.7);color:#E7C77E;
  border-radius:4px;padding:4px 10px;font-size:12px;font-weight:600;letter-spacing:.06em;
  margin-bottom:16px;background:rgba(200,145,47,.10);
}
.pg-hero h1{
  font-size:clamp(26px,4vw,40px);color:#FFFFFF;max-width:760px;margin-bottom:16px;
}
.pg-hero-sub{font-size:16px;color:rgba(246,245,240,.82);max-width:640px;margin-bottom:26px;}
.pg-hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.pg-hero-note{margin-top:20px;font-size:13px;color:rgba(246,245,240,.62);display:flex;align-items:center;gap:8px;}

/* ---------- cards & grids ---------- */
.pg-cards{margin-left:-12px;margin-right:-12px;}
.pg-cards > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}
.pg-card{
  background:var(--pg-card);border:1px solid var(--pg-line);border-radius:var(--pg-radius-card);
  padding:24px;height:100%;box-shadow:var(--pg-shadow-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.pg-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-2);border-color:#D6D3C6;}
.pg-card-title{font-size:17px;font-weight:600;margin-bottom:8px;}
.pg-card-text{font-size:14px;color:var(--pg-text-2);margin:0;line-height:1.8;}
.pg-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:5px 9px;border-radius:var(--pg-radius-badge);
  border:1px solid rgba(200,145,47,.55);color:var(--pg-accent-dark);background:rgba(200,145,47,.08);
}
.pg-badge-solid{background:var(--pg-primary-soft);color:var(--pg-primary);border-color:rgba(23,73,60,.18);}

/* platform overview */
.pg-plat{position:relative;padding-top:8px;}
.pg-plat-icon{
  width:44px;height:44px;border-radius:10px;background:var(--pg-primary-soft);color:var(--pg-primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.pg-plat-name{font-size:16px;font-weight:600;margin-bottom:4px;}
.pg-plat-meta{font-size:13px;color:var(--pg-text-3);margin-bottom:14px;}
.pg-mini-list li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:14px;padding:8px 0;border-bottom:1px dashed var(--pg-line);color:var(--pg-text-2);
}
.pg-mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.pg-mini-list b{color:var(--pg-text);font-weight:600;}

/* ---------- spec rows ---------- */
.pg-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px;}
.pg-tab{
  border:1px solid var(--pg-line);background:#FFFFFF;color:var(--pg-text-2);
  border-radius:var(--pg-radius-btn);padding:11px 20px;font-size:14px;font-weight:600;
  cursor:pointer;transition:all .18s ease;min-height:44px;
}
.pg-tab:hover{border-color:var(--pg-primary);color:var(--pg-primary);}
.pg-tab.is-active{background:var(--pg-primary);border-color:var(--pg-primary);color:#FFFFFF;}
.pg-tab-panel{display:none;}
.pg-tab-panel.is-active{display:block;animation:pgFade .24s ease;}
@keyframes pgFade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
.pg-spec{padding:6px 0;}
.pg-spec-row{
  display:grid;grid-template-columns:220px 1fr;gap:24px;
  padding:18px 0;border-bottom:1px solid var(--pg-line);
}
.pg-spec-row:first-child{border-top:1px solid var(--pg-line);}
.pg-spec-key{font-size:14px;font-weight:600;color:var(--pg-primary);display:flex;align-items:center;gap:8px;}
.pg-spec-key i{color:var(--pg-accent);font-size:12px;}
.pg-spec-val{font-size:15px;color:var(--pg-text-2);line-height:1.8;}
.pg-spec-val strong{color:var(--pg-text);font-weight:600;}

/* tier cards */
.pg-tier{position:relative;overflow:hidden;}
.pg-tier-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.pg-tier-name{font-size:18px;font-weight:700;}
.pg-tier-price{font-size:13px;color:var(--pg-text-3);}
.pg-tier-list li{
  position:relative;padding-left:22px;font-size:14px;color:var(--pg-text-2);margin-bottom:10px;line-height:1.75;
}
.pg-tier-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--pg-primary-soft);border:2px solid var(--pg-primary);
}
.pg-tier-feature{border-color:rgba(23,73,60,.35);box-shadow:0 1px 0 #E3E1D8,0 12px 30px rgba(14,46,38,.08);}

/* band block */
.pg-band{
  background:var(--pg-primary-soft);border-radius:var(--pg-radius-card);
  padding:32px;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
}
.pg-band img{width:100%;height:100%;max-height:280px;object-fit:cover;border-radius:12px;background:#DCE6E1;}
.pg-band h3{font-size:20px;margin-bottom:12px;}
.pg-band p{font-size:14px;color:var(--pg-text-2);margin:0 0 12px;}
.pg-band .pg-mini-list li{border-bottom-color:rgba(23,73,60,.14);}

/* steps */
.pg-steps{display:grid;gap:0;}
.pg-step{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--pg-line);}
.pg-step:last-child{border-bottom:0;}
.pg-step-num{
  width:44px;height:44px;border-radius:50%;border:2px solid var(--pg-primary);color:var(--pg-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;background:#FFFFFF;
}
.pg-step h3{font-size:16px;margin-bottom:6px;}
.pg-step p{font-size:14px;color:var(--pg-text-2);margin:0;}

/* faq */
.pg-faq{border-top:1px solid var(--pg-line);}
.pg-faq-item{border-bottom:1px solid var(--pg-line);}
.pg-faq-q{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 20px 0;font-size:16px;font-weight:600;color:var(--pg-text);
  border-left:3px solid transparent;transition:border-color .18s ease,color .18s ease,padding-left .18s ease;
}
.pg-faq-q:hover{color:var(--pg-primary);}
.pg-faq-item.is-open .pg-faq-q{border-left-color:var(--pg-primary);padding-left:14px;color:var(--pg-primary);}
.pg-faq-q i{font-size:13px;color:var(--pg-text-3);transition:transform .2s ease;}
.pg-faq-item.is-open .pg-faq-q i{transform:rotate(180deg);color:var(--pg-primary);}
.pg-faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.pg-faq-item.is-open .pg-faq-a{max-height:340px;}
.pg-faq-a p{font-size:14.5px;color:var(--pg-text-2);margin:0;padding:0 0 22px 17px;line-height:1.8;}

/* cta */
.pg-cta{
  background:var(--pg-primary-dark);color:#F6F5F0;border-radius:16px;
  padding:48px 40px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
}
.pg-cta h2{font-size:clamp(20px,2.6vw,26px);color:#FFFFFF;margin-bottom:12px;}
.pg-cta p{font-size:14px;color:rgba(246,245,240,.74);margin:0 0 22px;}
.pg-cta-btns{display:flex;flex-wrap:wrap;gap:12px;}
.pg-qr{
  width:120px;height:120px;border-radius:12px;background:rgba(255,255,255,.08);
  border:1px dashed rgba(255,255,255,.28);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:6px;font-size:12px;color:rgba(246,245,240,.7);
}
.pg-qr i{font-size:26px;color:rgba(246,245,240,.55);}
.pg-cta-side{display:flex;flex-direction:column;align-items:flex-start;gap:16px;}
.pg-cta-meta{font-size:12.5px;color:rgba(246,245,240,.6);line-height:1.7;}

/* footer */
.pg-footer{background:var(--pg-primary-dark);color:#F6F5F0;padding:72px 0 0;margin-top:0;}
.pg-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.pg-footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#FFFFFF;margin-bottom:16px;}
.pg-footer p{font-size:14px;color:rgba(246,245,240,.7);line-height:1.8;max-width:340px;}
.pg-footer h4{font-size:14px;font-weight:600;color:#F6F5F0;margin-bottom:16px;}
.pg-footer ul li{margin-bottom:10px;}
.pg-footer ul a{font-size:14px;color:rgba(246,245,240,.7);}
.pg-footer ul a:hover{color:#FFFFFF;text-decoration:underline;}
.pg-footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.pg-footer-bottom p{font-size:13px;color:rgba(246,245,240,.6);margin:0;max-width:none;}
.pg-top-btn{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;
  background:transparent;color:rgba(246,245,240,.8);border:1px solid rgba(255,255,255,.24);
  border-radius:var(--pg-radius-btn);padding:10px 16px;cursor:pointer;transition:all .18s ease;
}
.pg-top-btn:hover{background:rgba(255,255,255,.1);color:#FFFFFF;border-color:rgba(255,255,255,.5);}

/* responsive */
@media (max-width:1024px){
  :root{--pg-section:72px;}
  .pg-nav-menu{display:none;}
  .pg-search{display:none;}
  .pg-menu-btn{display:inline-flex;align-items:center;justify-content:center;}
  .pg-drawer{display:block;}
  .pg-band{grid-template-columns:1fr;}
  .pg-cta{grid-template-columns:1fr;padding:36px 28px;}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--pg-section:56px;--pg-nav-h:56px;}
  .pg-container{padding:0 18px;}
  .pg-hero{padding:calc(var(--pg-nav-h) + 40px) 0 52px;}
  .pg-spec-row{grid-template-columns:1fr;gap:6px;padding:16px 0;}
  .pg-spec-key{font-size:13.5px;}
  .pg-step{grid-template-columns:44px 1fr;gap:14px;}
  .pg-cards > .cell{margin-bottom:18px;}
}
@media (max-width:520px){
  .pg-hero-actions .pg-btn{width:100%;}
  .pg-tab{flex:1 1 46%;text-align:center;padding:11px 10px;}
  .pg-footer-grid{grid-template-columns:1fr;}
  .pg-cta-btns .pg-btn{width:100%;}
  .pg-logo span:last-child{font-size:15px;}
}