/* roulang page: index */
:root{
  --pg-brand:#14635A;
  --pg-brand-deep:#0D4741;
  --pg-brand-soft:#EDF3F1;
  --pg-accent:#E2763C;
  --pg-accent-deep:#C4622E;
  --pg-bg:#F7F4EE;
  --pg-surface:#FFFFFF;
  --pg-band:#F0EBE1;
  --pg-ink:#16201D;
  --pg-ink-2:#4A5754;
  --pg-ink-3:#7C8985;
  --pg-line:rgba(20,99,90,.14);
  --pg-line-soft:rgba(22,32,29,.08);
  --pg-r-lg:16px;
  --pg-r-md:12px;
  --pg-r-sm:10px;
  --pg-shadow:0 1px 2px rgba(18,49,44,.06),0 8px 24px rgba(18,49,44,.07);
  --pg-shadow-hover:0 12px 32px rgba(18,49,44,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--pg-bg);
  color:var(--pg-ink-2);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--pg-brand);text-decoration:none}
a:hover{color:var(--pg-brand-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--pg-ink);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--pg-accent);outline-offset:2px}
.pg-container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.pg-header{position:sticky;top:16px;z-index:80;padding:0 24px}
.pg-nav{
  position:relative;
  max-width:1200px;
  margin:0 auto;
  min-height:76px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:12px 16px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-r-lg);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.pg-header.is-stuck .pg-nav{box-shadow:0 10px 30px rgba(18,49,44,.10);border-color:var(--pg-line)}
.pg-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.pg-logo-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--pg-brand);
  color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;
  transition:transform .25s ease;
}
.pg-logo:hover .pg-logo-mark{transform:rotate(-3deg)}
.pg-logo-text{display:flex;flex-direction:column;line-height:1.25}
.pg-logo-text strong{font-size:16px;color:var(--pg-ink);font-weight:700;letter-spacing:0}
.pg-logo-text small{font-size:12px;color:var(--pg-ink-3);margin-top:2px}
.pg-nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;margin-left:8px}
.pg-nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 12px;border-radius:var(--pg-r-sm);
  font-size:14px;font-weight:500;color:var(--pg-ink-2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.pg-nav-link svg{width:18px;height:18px;flex:0 0 18px;transition:transform .2s ease}
.pg-nav-link:hover{background:var(--pg-brand-soft);color:var(--pg-brand)}
.pg-nav-link:hover svg{transform:translateY(-1px)}
.pg-nav-link.is-active{color:var(--pg-brand);font-weight:600}
.pg-nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:5px;
  height:2px;border-radius:2px;background:var(--pg-accent);
}
.pg-nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.pg-nav-toggle{
  display:none;
  width:44px;height:44px;flex:0 0 44px;
  align-items:center;justify-content:center;
  border:1px solid var(--pg-line);border-radius:var(--pg-r-sm);
  background:#fff;color:var(--pg-brand);cursor:pointer;
  transition:background .2s ease;
}
.pg-nav-toggle:hover{background:var(--pg-brand-soft)}
.pg-mobile-panel{display:none}

/* ---------- 按钮 ---------- */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--pg-r-sm);
  border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.pg-btn svg{width:18px;height:18px}
.pg-btn-primary{background:var(--pg-accent);color:#fff;box-shadow:0 6px 16px rgba(226,118,60,.26)}
.pg-btn-primary:hover{background:var(--pg-accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(196,98,46,.32)}
.pg-btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(196,98,46,.24)}
.pg-btn-ghost{background:transparent;border-color:rgba(20,99,90,.35);color:var(--pg-brand)}
.pg-btn-ghost:hover{background:var(--pg-brand-soft);border-color:rgba(20,99,90,.6);color:var(--pg-brand-deep)}
.pg-btn-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.pg-btn-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.pg-btn-sm{height:40px;padding:0 16px;font-size:14px}
.pg-btn-block{width:100%}
.pg-textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--pg-brand)}
.pg-textlink svg{width:16px;height:16px;transition:transform .2s ease}
.pg-textlink:hover{color:var(--pg-brand-deep);text-decoration:underline;text-underline-offset:3px}
.pg-textlink:hover svg{transform:translateX(2px)}
.pg-chip{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:8px;
  background:var(--pg-brand-soft);color:var(--pg-brand);
  font-size:13px;font-weight:500;line-height:1;
}
.pg-chip-accent{background:rgba(226,118,60,.12);color:var(--pg-accent-deep)}

/* ---------- Hero ---------- */
.pg-hero{padding:56px 0 0}
.pg-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.pg-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:999px;
  background:var(--pg-brand-soft);color:var(--pg-brand);
  font-size:12px;font-weight:600;
}
.pg-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--pg-accent);display:inline-block}
.pg-hero h1{font-size:44px;line-height:1.25;margin:18px 0 16px;max-width:12em}
.pg-hero-sub{font-size:17px;line-height:1.7;color:var(--pg-ink-2);margin:0 0 28px;max-width:30em}
.pg-hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.pg-hero-meta{margin-top:18px;font-size:13px;color:var(--pg-ink-3)}
.pg-hero-visual{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  aspect-ratio:16/11;
  background:var(--pg-brand-soft);
  border:1px solid var(--pg-line-soft);
  box-shadow:var(--pg-shadow);
}
.pg-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.pg-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,49,44,.28),rgba(18,49,44,.58));
}
.pg-device{
  position:absolute;left:7%;right:7%;top:11%;bottom:11%;
  border-radius:16px;overflow:hidden;background:#fff;
  border:1px solid rgba(255,255,255,.4);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18),0 18px 40px rgba(9,32,28,.35);
}
.pg-device img{width:100%;height:100%;object-fit:cover}
.pg-hero-float{
  position:absolute;left:7%;bottom:5%;
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--pg-brand-deep);
  font-size:12px;font-weight:600;
}
.pg-hero-float i{width:7px;height:7px;border-radius:50%;background:var(--pg-accent);display:inline-block}

.pg-stats{
  display:flex;flex-wrap:wrap;
  margin-top:56px;padding:28px 0;
  border-top:1px solid var(--pg-line-soft);
  border-bottom:1px solid var(--pg-line-soft);
}
.pg-stat{flex:1 1 0;min-width:150px;padding:0 24px;border-left:1px solid var(--pg-line-soft)}
.pg-stat:first-child{border-left:0;padding-left:0}
.pg-stat b{display:block;font-size:28px;font-weight:700;color:var(--pg-brand);line-height:1.25}
.pg-stat span{display:block;font-size:12px;color:var(--pg-ink-3);margin-top:2px}

/* ---------- 板块通用 ---------- */
.pg-section{padding:88px 0}
.pg-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.pg-h2{font-size:32px;line-height:1.3}
.pg-section-desc{font-size:14px;color:var(--pg-ink-3);margin:10px 0 0}
.pg-head-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}

/* ---------- 价值要点（2×2 错落） ---------- */
.pg-value-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.pg-value-col{display:flex;flex-direction:column;gap:24px}
.pg-value-col:nth-child(2){margin-top:40px}
.pg-value-card{
  position:relative;
  background:var(--pg-surface);
  border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-r-lg);
  padding:26px 26px 26px 30px;
  box-shadow:var(--pg-shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pg-value-card::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;
  border-radius:0 3px 3px 0;background:var(--pg-brand);
  transition:background .2s ease;
}
.pg-value-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-hover);border-color:var(--pg-line)}
.pg-value-card:hover::before{background:var(--pg-accent)}
.pg-value-icon{
  width:40px;height:40px;border-radius:var(--pg-r-md);
  display:grid;place-items:center;
  background:var(--pg-brand-soft);color:var(--pg-brand);
  margin-bottom:16px;
}
.pg-value-icon svg{width:22px;height:22px}
.pg-value-card h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:8px}
.pg-value-card p{font-size:14px;line-height:1.75;color:var(--pg-ink-2);margin:0}

/* ---------- 轮播 ---------- */
.pg-carousel-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--pg-line);background:#fff;color:var(--pg-brand);
  cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.pg-carousel-btn:hover{background:var(--pg-brand);color:#fff;transform:translateY(-1px)}
.pg-carousel-btn svg{width:18px;height:18px}
.pg-carousel-track{
  display:flex;gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 20px;
  scrollbar-width:none;
}
.pg-carousel-track::-webkit-scrollbar{display:none}
.pg-shot-card{
  flex:0 0 320px;
  scroll-snap-align:start;
  background:var(--pg-surface);
  border:1px solid var(--pg-line-soft);
  border-radius:14px;
  padding:12px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pg-shot-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow);border-color:var(--pg-line)}
.pg-shot-card img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--pg-r-sm);
  background:var(--pg-brand-soft);
  border:1px solid var(--pg-line-soft);
}
.pg-shot-card h3{font-size:16px;font-weight:600;margin:14px 0 4px}
.pg-shot-card p{font-size:13px;line-height:1.7;color:var(--pg-ink-3);margin:0}
.pg-carousel-dots{display:flex;justify-content:center;gap:8px;margin-top:8px}
.pg-dot{width:8px;height:8px;border-radius:999px;background:rgba(20,99,90,.25);border:0;padding:0;cursor:pointer;transition:width .25s ease,background .25s ease}
.pg-dot.is-active{width:20px;background:var(--pg-brand)}

/* ---------- 系统要求 ---------- */
.pg-req-wrap{max-width:960px}
.pg-req-list{border-top:1px solid var(--pg-line-soft)}
.pg-req-row{
  display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start;
  padding:18px 0;
  border-bottom:1px dashed var(--pg-line-soft);
}
.pg-req-key{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--pg-ink)}
.pg-req-key svg{width:18px;height:18px;color:var(--pg-brand);flex:0 0 18px}
.pg-req-val{font-size:15px;line-height:1.75;color:var(--pg-ink-2);margin:0}
.pg-req-note{margin-top:20px;font-size:13px;color:var(--pg-ink-3)}

/* ---------- 评价墙 ---------- */
.pg-reviews{background:var(--pg-band);padding:72px 0;border-radius:24px 24px 0 0}
.pg-review-grid{columns:3;column-gap:24px}
.pg-review-card{
  break-inside:avoid;
  display:inline-block;width:100%;
  margin-bottom:24px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-r-lg);
  padding:24px;
  box-shadow:0 1px 2px rgba(18,49,44,.05);
}
.pg-stars{display:flex;gap:3px;margin-bottom:12px;color:var(--pg-accent);font-size:14px;letter-spacing:2px}
.pg-review-card p{font-size:15px;line-height:1.8;color:var(--pg-ink-2);margin:0 0 18px}
.pg-review-foot{display:flex;align-items:center;gap:10px}
.pg-avatar{
  width:32px;height:32px;border-radius:50%;flex:0 0 32px;
  display:grid;place-items:center;
  background:var(--pg-brand);color:#fff;font-size:13px;font-weight:600;
  border:1px solid var(--pg-line);
}
.pg-review-name{font-size:13px;color:var(--pg-ink);font-weight:600;line-height:1.3}
.pg-review-date{font-size:12px;color:var(--pg-ink-3);line-height:1.3}

/* ---------- 下载 CTA ---------- */
.pg-cta-band{
  background:var(--pg-brand-deep);
  border-radius:20px;
  padding:48px;
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  color:#fff;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.pg-cta-band h2{color:#fff;font-size:32px;line-height:1.3}
.pg-cta-band .pg-cta-sub{color:rgba(255,255,255,.72);font-size:15px;line-height:1.7;margin:12px 0 24px;max-width:34em}
.pg-cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.pg-cta-note{margin-top:16px;font-size:12px;color:rgba(255,255,255,.6)}
.pg-qr-box{display:flex;flex-direction:column;align-items:center;gap:12px}
.pg-qr{width:132px;height:132px;padding:8px;background:#fff;border-radius:var(--pg-r-md);box-shadow:0 10px 26px rgba(0,0,0,.22)}
.pg-qr svg{width:100%;height:100%;display:block}
.pg-qr-note{font-size:12px;color:rgba(255,255,255,.72);text-align:center;max-width:16em;line-height:1.7}

/* ---------- 最新信息 ---------- */
.pg-post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pg-post-card{
  background:var(--pg-surface);
  border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-r-lg);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pg-post-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-hover);border-color:var(--pg-line)}
.pg-post-link{display:flex;flex-direction:column;height:100%;color:inherit}
.pg-post-cover{aspect-ratio:16/9;background:var(--pg-brand-soft);overflow:hidden}
.pg-post-cover img{width:100%;height:100%;object-fit:cover}
.pg-post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.pg-post-title{
  font-size:17px;line-height:1.45;font-weight:600;color:var(--pg-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.pg-post-card:hover .pg-post-title{color:var(--pg-brand)}
.pg-post-excerpt{
  font-size:14px;line-height:1.75;color:var(--pg-ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.pg-post-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--pg-line-soft);
  font-size:12px;color:var(--pg-ink-3);
}
.pg-post-more{color:var(--pg-brand);font-weight:600;font-size:12px}
.pg-empty{
  grid-column:1/-1;
  border:1.5px dashed var(--pg-line);
  border-radius:var(--pg-r-lg);
  padding:48px 24px;
  text-align:center;
  background:rgba(255,255,255,.6);
}
.pg-empty svg{width:24px;height:24px;color:var(--pg-ink-3);margin-bottom:10px}
.pg-empty p{font-size:15px;color:var(--pg-ink-3);margin:0 0 16px}

/* ---------- FAQ ---------- */
.pg-faq{max-width:860px;margin:0 auto}
.pg-faq-item{border-bottom:1px solid var(--pg-line-soft);border-radius:var(--pg-r-sm);transition:background .2s ease}
.pg-faq-item.is-open{background:#FBF9F4}
.pg-faq-btn{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 16px;min-height:64px;
  background:none;border:0;cursor:pointer;text-align:left;
  color:var(--pg-ink);
  transition:color .2s ease;
}
.pg-faq-num{font-size:12px;color:var(--pg-accent);font-weight:700;flex:0 0 24px;letter-spacing:.04em}
.pg-faq-q{flex:1;font-size:17px;font-weight:600;line-height:1.5}
.pg-faq-item.is-open .pg-faq-btn,
.pg-faq-btn:hover{color:var(--pg-brand)}
.pg-faq-btn:hover .pg-faq-num{font-weight:800}
.pg-faq-icon{
  flex:0 0 20px;width:20px;height:20px;display:grid;place-items:center;
  color:var(--pg-brand);transition:transform .25s ease;
}
.pg-faq-icon svg{width:16px;height:16px}
.pg-faq-item.is-open .pg-faq-icon{transform:rotate(180deg)}
.pg-faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.pg-faq-item.is-open .pg-faq-answer{max-height:360px}
.pg-faq-answer p{padding:0 16px 20px 54px;margin:0;font-size:15px;line-height:1.9;color:var(--pg-ink-2)}

/* ---------- 页脚 ---------- */
.pg-footer{background:var(--pg-brand-deep);color:rgba(255,255,255,.72);margin-top:88px;padding:64px 0 0}
.pg-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.pg-footer .pg-logo-text strong{color:#fff}
.pg-footer .pg-logo-text small{color:rgba(255,255,255,.6)}
.pg-footer .pg-logo-mark{background:rgba(255,255,255,.14);color:#fff}
.pg-footer-desc{font-size:14px;line-height:1.8;margin:18px 0 12px;color:rgba(255,255,255,.72);max-width:26em}
.pg-footer-tags{font-size:12px;color:rgba(255,255,255,.55);line-height:1.8}
.pg-footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.pg-footer-links li{margin-bottom:10px}
.pg-footer-links a{
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color .2s ease,transform .2s ease;
  display:inline-block;
}
.pg-footer-links a:hover{color:#fff;transform:translateX(2px)}
.pg-footer-bottom{
  margin-top:48px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .pg-container{max-width:960px}
  .pg-hero h1{font-size:38px}
  .pg-post-grid{grid-template-columns:repeat(2,1fr)}
  .pg-review-grid{columns:2}
  .pg-carousel-track .pg-shot-card{flex:0 0 300px}
}
@media (max-width:992px){
  .pg-header{padding:0 16px;top:12px}
  .pg-nav-links,.pg-nav-cta{display:none}
  .pg-nav-toggle{display:flex;margin-left:auto}
  .pg-mobile-panel.is-open{
    display:block;position:absolute;top:calc(100% + 8px);left:0;right:0;
    background:#fff;border:1px solid var(--pg-line-soft);border-radius:var(--pg-r-lg);
    padding:20px;box-shadow:var(--pg-shadow-hover);
  }
  .pg-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
  .pg-mobile-link{
    display:flex;flex-direction:column;justify-content:center;gap:6px;
    height:72px;padding:0 14px;border-radius:var(--pg-r-md);
    background:var(--pg-brand-soft);color:var(--pg-brand);
    font-size:14px;font-weight:600;
  }
  .pg-mobile-link svg{width:20px;height:20px}
  .pg-mobile-link:hover{background:#E2EDEA;color:var(--pg-brand-deep)}
  .pg-hero{padding:40px 0 0}
  .pg-hero-grid{grid-template-columns:1fr;gap:32px}
  .pg-hero h1{font-size:32px;max-width:none}
  .pg-hero-visual{order:2}
  .pg-value-grid{grid-template-columns:1fr;gap:16px}
  .pg-value-col:nth-child(2){margin-top:0}
  .pg-cta-band{grid-template-columns:1fr;padding:32px;gap:28px;text-align:left}
  .pg-qr-box{align-items:flex-start}
  .pg-qr-note{text-align:left;max-width:none}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .pg-req-row{grid-template-columns:1fr;gap:6px}
  .pg-section{padding:64px 0}
}
@media (max-width:767px){
  .pg-container{padding:0 20px}
  .pg-hero h1{font-size:30px}
  .pg-section{padding:56px 0}
  .pg-h2{font-size:24px}
  .pg-section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .pg-hero-actions .pg-btn{width:100%}
  .pg-stats{gap:16px 0}
  .pg-stat{flex:1 1 45%;padding:0 16px;border-left:0}
  .pg-stat:first-child{padding-left:16px}
  .pg-stat:nth-child(odd){padding-left:0}
  .pg-post-grid{grid-template-columns:1fr}
  .pg-review-grid{columns:1}
  .pg-shot-card{flex:0 0 78vw}
  .pg-cta-band h2{font-size:24px}
  .pg-cta-actions .pg-btn{width:100%}
  .pg-faq-answer p{padding-left:16px}
  .pg-footer{margin-top:56px}
  .pg-footer-grid{grid-template-columns:1fr}
  .pg-footer-bottom{flex-direction:column}
}
@media (max-width:560px){
  .pg-logo-text small{display:none}
  .pg-post-cover{display:none}
  .pg-mobile-grid{grid-template-columns:1fr}
  .pg-device{left:5%;right:5%;top:9%;bottom:9%}
  .pg-hero-float{font-size:11px}
}

/* roulang page: article */
:root{
  --pg-brand:#14635A;
  --pg-brand-deep:#0D4741;
  --pg-accent:#E2763C;
  --pg-accent-deep:#C4622E;
  --pg-bg:#F7F4EE;
  --pg-surface:#FFFFFF;
  --pg-band:#F0EBE1;
  --pg-soft:#EDF3F1;
  --pg-ink:#16201D;
  --pg-ink-2:#4A5754;
  --pg-ink-3:#7C8985;
  --pg-line:rgba(20,99,90,.14);
  --pg-line-soft:rgba(22,32,29,.08);
  --pg-error:#B4472E;
  --pg-radius:16px;
  --pg-radius-sm:12px;
  --pg-radius-btn:10px;
  --pg-shadow:0 1px 2px rgba(18,49,44,.06),0 8px 24px rgba(18,49,44,.07);
  --pg-shadow-hover:0 12px 32px rgba(18,49,44,.12);
  --pg-space:24px;
}
*,*::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-ink-2);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;border:0;display:block;}
a{color:var(--pg-brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--pg-brand-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.3em;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;}
::selection{background:rgba(226,118,60,.22);color:var(--pg-ink);}
:focus-visible{outline:2px solid var(--pg-accent);outline-offset:2px;border-radius:6px;}

/* 容器与板块 */
.pg-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.pg-main{padding:28px 0 0;}
.pg-section{padding:56px 0;}
.pg-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.pg-section-head h2{font-size:26px;line-height:1.3;color:var(--pg-ink);font-weight:700;}
.pg-section-head p{font-size:14px;color:var(--pg-ink-3);margin-top:8px;}
.pg-more{font-size:14px;font-weight:600;color:var(--pg-brand);display:inline-flex;align-items:center;gap:6px;}
.pg-more:hover{text-decoration:underline;text-underline-offset:3px;}
.pg-more svg{width:16px;height:16px;transition:transform .2s ease;}
.pg-more:hover svg{transform:translateX(2px);}

/* 头部导航 */
.pg-header{
  position:sticky;top:0;z-index:80;
  padding:16px 24px 0;
  background:linear-gradient(180deg,var(--pg-bg) 0%,var(--pg-bg) 72%,rgba(247,244,238,0) 100%);
}
.pg-nav{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  min-height:76px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-radius);
  padding:12px 16px;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.pg-nav.is-scrolled{box-shadow:0 10px 30px rgba(18,49,44,.10);border-color:var(--pg-line);}
.pg-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--pg-ink);}
.pg-logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--pg-brand);color:#fff;
  display:grid;place-items:center;
  font-size:16px;font-weight:700;letter-spacing:.02em;
  transition:transform .3s ease,background-color .2s ease;
}
.pg-logo-text{display:flex;flex-direction:column;line-height:1.25;}
.pg-logo-text strong{font-size:16px;font-weight:700;color:var(--pg-ink);}
.pg-logo-text small{font-size:12px;color:var(--pg-ink-3);}
@media (hover:hover){
  .pg-logo:hover .pg-logo-mark{transform:rotate(-3deg);}
}
.pg-nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;flex-wrap:nowrap;}
.pg-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--pg-ink-2);white-space:nowrap;
}
.pg-nav-link svg{width:18px;height:18px;transition:transform .2s ease;}
.pg-nav-link:hover{background:var(--pg-soft);color:var(--pg-brand);}
.pg-nav-link:hover svg{transform:translateY(-1px);}
.pg-nav-link.is-active{color:var(--pg-brand);font-weight:600;}
.pg-nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--pg-accent);
}
.pg-nav-cta{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.pg-nav-toggle{
  display:none;width:44px;height:44px;flex-shrink:0;
  align-items:center;justify-content:center;
  background:var(--pg-soft);color:var(--pg-brand);
  border:1px solid var(--pg-line);border-radius:10px;cursor:pointer;
}
.pg-nav-toggle:hover{background:#E3EDEA;}
.pg-mobile-panel{display:none;}

/* 按钮 */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:var(--pg-radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease;
}
.pg-btn svg{width:18px;height:18px;}
.pg-btn-sm{height:40px;padding:0 16px;font-size:14px;}
.pg-btn-primary{background:var(--pg-accent);color:#fff;}
.pg-btn-primary:hover{background:var(--pg-accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(196,98,46,.28);}
.pg-btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(196,98,46,.22);}
.pg-btn-ghost{
  background:transparent;color:var(--pg-brand);
  box-shadow:inset 0 0 0 1.5px rgba(20,99,90,.35);
}
.pg-btn-ghost:hover{background:var(--pg-soft);color:var(--pg-brand-deep);box-shadow:inset 0 0 0 1.5px rgba(20,99,90,.6);}
.pg-btn-outline-light{
  background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.7);
}
.pg-btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;box-shadow:inset 0 0 0 1.5px #fff;}
.pg-btn[disabled],.pg-btn.is-disabled{opacity:.45;pointer-events:none;}

/* 面包屑 */
.pg-breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:12px;color:var(--pg-ink-3);
  overflow:hidden;white-space:nowrap;
  padding-top:4px;
}
.pg-breadcrumb a{color:var(--pg-brand);font-weight:500;}
.pg-breadcrumb a:hover{text-decoration:underline;text-underline-offset:3px;}
.pg-breadcrumb-sep{color:var(--pg-ink-3);opacity:.7;}
.pg-breadcrumb-current{
  color:var(--pg-ink-3);
  max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* 文章头部 */
.pg-article-head{margin-top:22px;padding-bottom:24px;border-bottom:1px solid var(--pg-line-soft);}
.pg-article-head h1{
  font-size:34px;line-height:1.35;font-weight:700;color:var(--pg-ink);
  letter-spacing:-.01em;max-width:900px;
}
.pg-article-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:16px;font-size:13px;color:var(--pg-ink-3);
}
.pg-chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:8px;background:var(--pg-soft);color:var(--pg-brand);
  font-size:13px;font-weight:600;
}
.pg-chip-accent{background:rgba(226,118,60,.12);color:var(--pg-accent-deep);}
.pg-dot{color:var(--pg-ink-3);opacity:.6;}

/* 文章布局 */
.pg-article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 240px;
  gap:48px;align-items:start;
  max-width:1060px;margin:32px auto 0;
}
.pg-article-body{min-width:0;}

/* 正文排版 */
.pg-prose{font-size:16px;line-height:1.9;color:var(--pg-ink-2);}
.pg-prose p{margin:0 0 1.1em;}
.pg-prose h2{
  position:relative;padding-left:18px;
  font-size:22px;line-height:1.45;font-weight:700;color:var(--pg-ink);
  margin:40px 0 14px;
}
.pg-prose h2::before{
  content:"";position:absolute;left:0;top:.62em;
  width:8px;height:8px;border-radius:2px;background:var(--pg-brand);
}
.pg-prose h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--pg-ink);margin:28px 0 10px;}
.pg-prose h4{font-size:18px;font-weight:600;color:var(--pg-ink);margin:24px 0 8px;}
.pg-prose strong{color:var(--pg-ink);font-weight:600;}
.pg-prose a{color:var(--pg-brand);text-decoration:none;}
.pg-prose a:hover{text-decoration:underline;text-underline-offset:3px;}
.pg-prose ul,.pg-prose ol{margin:0 0 1.1em;padding-left:1.4em;line-height:1.85;}
.pg-prose li{margin-bottom:.5em;}
.pg-prose li::marker{color:var(--pg-brand);}
.pg-prose blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--pg-brand);
  background:var(--pg-band);
  border-radius:0 12px 12px 0;
  font-size:15px;line-height:1.8;color:var(--pg-ink-2);
}
.pg-prose blockquote p:last-child{margin-bottom:0;}
.pg-prose img{width:100%;height:auto;border-radius:12px;border:1px solid var(--pg-line-soft);margin:8px 0 10px;}
.pg-prose figure{margin:24px 0;}
.pg-prose figcaption{font-size:13px;color:var(--pg-ink-3);text-align:center;margin-top:8px;}
.pg-prose hr{border:0;border-top:1px solid var(--pg-line-soft);margin:32px 0;}
.pg-prose table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;margin:20px 0;font-size:15px;
  border-radius:12px;
}
.pg-prose thead th{
  background:var(--pg-soft);color:var(--pg-ink);
  font-weight:600;text-align:left;
  padding:12px 14px;border-bottom:1px solid var(--pg-line);
  white-space:nowrap;
}
.pg-prose tbody td{
  padding:12px 14px;border-bottom:1px solid var(--pg-line-soft);color:var(--pg-ink-2);
}
.pg-prose tbody tr:last-child td{border-bottom:0;}
.pg-prose code{
  background:var(--pg-soft);color:var(--pg-brand-deep);
  padding:2px 6px;border-radius:6px;font-size:14px;
}

/* 侧栏 */
.pg-aside{position:sticky;top:104px;display:flex;flex-direction:column;gap:16px;}
.pg-aside-card{
  background:var(--pg-surface);border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-radius);padding:20px;box-shadow:var(--pg-shadow);
}
.pg-aside-title{font-size:13px;font-weight:600;color:var(--pg-ink-3);letter-spacing:.04em;margin-bottom:12px;}
.pg-toc{list-style:none;padding:0;margin:0;}
.pg-toc li{margin-bottom:2px;}
.pg-toc a{
  display:block;padding:8px 10px 8px 12px;
  font-size:14px;color:var(--pg-ink-2);border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
}
.pg-toc a:hover{background:var(--pg-soft);color:var(--pg-brand);}
.pg-toc a.is-current{border-left-color:var(--pg-accent);color:var(--pg-brand);font-weight:600;background:#FBF9F4;}
.pg-aside-download{
  background:var(--pg-brand-deep);color:#fff;border:0;
  box-shadow:none;
}
.pg-aside-download h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px;}
.pg-aside-download p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.72);margin-bottom:16px;}
.pg-aside-download .pg-btn{width:100%;height:44px;font-size:14px;}

/* 文末 */
.pg-article-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-top:40px;padding-top:24px;
  border-top:1px solid var(--pg-line-soft);
}
.pg-updated{font-size:13px;color:var(--pg-ink-3);}

/* 提示条 */
.pg-notes{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
  margin-top:40px;
}
.pg-note{
  background:var(--pg-surface);border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-radius);padding:20px 20px 18px;
  box-shadow:var(--pg-shadow);position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.pg-note::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--pg-brand);
  transition:background-color .2s ease;
}
.pg-note:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-hover);}
.pg-note:hover::before{background:var(--pg-accent);}
.pg-note h3{font-size:16px;font-weight:600;color:var(--pg-ink);margin-bottom:6px;}
.pg-note p{font-size:14px;line-height:1.75;color:var(--pg-ink-2);}

/* 相关推荐 */
.pg-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.pg-related-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--pg-surface);border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-radius);padding:22px;
  box-shadow:var(--pg-shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pg-related-card:hover{
  transform:translateY(-2px);box-shadow:var(--pg-shadow-hover);border-color:var(--pg-line);
}
.pg-related-card h3{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--pg-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pg-related-card:hover h3{color:var(--pg-brand);}
.pg-related-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;font-size:12px;color:var(--pg-ink-3);
}
.pg-related-foot svg{width:16px;height:16px;color:var(--pg-brand);transition:transform .2s ease;}
.pg-related-card:hover .pg-related-foot svg{transform:translateX(3px);}

/* 转化条 */
.pg-cta-bar{
  background:var(--pg-band);border-radius:var(--pg-radius);
  padding:32px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-top:48px;
}
.pg-cta-bar h2{font-size:22px;line-height:1.4;font-weight:700;color:var(--pg-ink);}
.pg-cta-bar p{font-size:14px;color:var(--pg-ink-2);margin-top:8px;}
.pg-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 空态 */
.pg-empty{
  text-align:center;padding:64px 24px;
  background:var(--pg-surface);
  border:1.5px dashed var(--pg-line);
  border-radius:var(--pg-radius);
}
.pg-empty svg{width:48px;height:48px;color:var(--pg-ink-3);margin:0 auto 16px;}
.pg-empty h2{font-size:22px;color:var(--pg-ink);font-weight:700;margin-bottom:10px;}
.pg-empty p{font-size:15px;color:var(--pg-ink-2);max-width:420px;margin:0 auto 24px;}

/* 页脚 */
.pg-footer{background:var(--pg-brand-deep);color:rgba(255,255,255,.72);margin-top:72px;padding:64px 0 28px;}
.pg-footer .pg-logo-text strong{color:#fff;}
.pg-footer .pg-logo-text small{color:rgba(255,255,255,.6);}
.pg-footer .pg-logo-mark{background:rgba(255,255,255,.14);}
.pg-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.pg-footer-desc{font-size:14px;line-height:1.8;margin-top:16px;max-width:320px;color:rgba(255,255,255,.72);}
.pg-footer-tags{font-size:12px;color:rgba(255,255,255,.5);margin-top:14px;letter-spacing:.02em;}
.pg-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.pg-footer-links{list-style:none;padding:0;margin:0;}
.pg-footer-links li{margin-bottom:10px;}
.pg-footer-links a{
  font-size:14px;color:rgba(255,255,255,.72);display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.pg-footer-links a:hover{color:#fff;transform:translateX(2px);}
.pg-footer-bottom{
  margin-top:48px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* 响应式 */
@media (max-width:1199px){
  .pg-article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:32px;max-width:100%;}
  .pg-related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .pg-nav-links{display:none;}
  .pg-nav-cta{display:none;}
  .pg-nav-toggle{display:inline-flex;margin-left:auto;}
  .pg-nav{flex-wrap:wrap;position:relative;}
  .pg-header.is-open .pg-mobile-panel{display:block;}
  .pg-mobile-panel{
    width:100%;margin-top:12px;padding:16px;
    background:var(--pg-surface);border:1px solid var(--pg-line-soft);
    border-radius:var(--pg-radius);box-shadow:0 10px 30px rgba(18,49,44,.12);
  }
  .pg-mobile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  .pg-mobile-link{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
    min-height:72px;padding:10px;border-radius:12px;
    background:var(--pg-soft);color:var(--pg-ink-2);
    font-size:13px;font-weight:600;text-align:center;
    min-width:0;
  }
  .pg-mobile-link svg{width:20px;height:20px;color:var(--pg-brand);}
  .pg-mobile-link:hover{background:#E3EDEA;color:var(--pg-brand);}
  .pg-mobile-cta{width:100%;margin-top:14px;}
  .pg-article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .pg-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .pg-aside-card{flex:1 1 260px;}
  .pg-section{padding:48px 0;}
  .pg-notes{grid-template-columns:1fr;}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .pg-container{padding:0 20px;}
  .pg-header{padding:12px 20px 0;}
  .pg-nav{min-height:64px;padding:10px 12px;border-radius:14px;}
  .pg-article-head h1{font-size:26px;}
  .pg-breadcrumb-current{max-width:38vw;}
  .pg-related-grid{grid-template-columns:1fr;}
  .pg-cta-bar{padding:24px;flex-direction:column;align-items:flex-start;}
  .pg-cta-actions{width:100%;}
  .pg-cta-actions .pg-btn{flex:1 1 auto;}
  .pg-section-head h2{font-size:22px;}
  .pg-footer{padding:48px 0 24px;}
}
@media (max-width:560px){
  .pg-article-head h1{font-size:23px;}
  .pg-prose h2{font-size:20px;}
  .pg-prose h3{font-size:18px;}
  .pg-footer-grid{grid-template-columns:1fr;}
  .pg-article-foot{flex-direction:column;align-items:flex-start;}
  .pg-btn{width:100%;}
  .pg-nav-cta .pg-btn{width:auto;}
  .pg-cta-actions .pg-btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --pg-brand:#14635A;
  --pg-brand-deep:#0D4741;
  --pg-accent:#E2763C;
  --pg-accent-deep:#C4622E;
  --pg-bg:#F7F4EE;
  --pg-surface:#FFFFFF;
  --pg-band:#F0EBE1;
  --pg-soft:#EDF3F1;
  --pg-ink:#16201D;
  --pg-ink2:#4A5754;
  --pg-ink3:#7C8985;
  --pg-line:rgba(20,99,90,.14);
  --pg-line-soft:rgba(22,32,29,.08);
  --pg-shadow:0 1px 2px rgba(18,49,44,.06),0 8px 24px rgba(18,49,44,.07);
  --pg-shadow-hover:0 12px 32px rgba(18,49,44,.12);
  --pg-r-card:16px;
  --pg-r-img:12px;
  --pg-r-btn:10px;
  --pg-wrap:1200px;
  --pg-font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--pg-font);
  font-size:16px;
  line-height:1.85;
  color:var(--pg-ink2);
  background:var(--pg-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  color:var(--pg-ink);
  font-family:var(--pg-font);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.3;
}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--pg-brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease;}
a:hover{color:var(--pg-brand-deep);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--pg-accent);outline-offset:2px;}
.pg-container{width:100%;max-width:var(--pg-wrap);margin:0 auto;padding:0 24px;}

/* ============ 导航 ============ */
.pg-header{
  position:sticky;
  top:0;
  z-index:90;
  padding:16px 24px 10px;
  background:linear-gradient(180deg,var(--pg-bg) 0%,var(--pg-bg) 74%,rgba(247,244,238,0) 100%);
}
.pg-nav{
  position:relative;
  max-width:var(--pg-wrap);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:14px;
  min-height:76px;
  padding:12px 16px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-r-card);
  box-shadow:0 1px 2px rgba(18,49,44,.05);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.pg-header.is-scrolled .pg-nav{
  box-shadow:0 10px 30px rgba(18,49,44,.10);
  border-color:var(--pg-line);
}
.pg-logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  color:var(--pg-ink);
}
.pg-logo-mark{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--pg-brand);
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
  border-radius:12px;
  transition:transform .28s ease,background-color .2s ease;
}
.pg-logo:hover .pg-logo-mark{transform:rotate(-3deg);background:var(--pg-brand-deep);}
.pg-logo-text{display:flex;flex-direction:column;line-height:1.25;}
.pg-logo-text strong{font-size:16px;font-weight:700;color:var(--pg-ink);}
.pg-logo-text small{font-size:12px;color:var(--pg-ink3);font-weight:400;letter-spacing:.01em;}
.pg-nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.pg-nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 12px;
  border-radius:var(--pg-r-btn);
  font-size:14px;color:var(--pg-ink2);
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.pg-nav-link svg{width:18px;height:18px;flex:0 0 auto;transition:transform .18s ease;}
.pg-nav-link:hover{background:var(--pg-soft);color:var(--pg-brand);}
.pg-nav-link:hover svg{transform:translateY(-1px);}
.pg-nav-link.is-active{color:var(--pg-brand);font-weight:600;}
.pg-nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--pg-accent);border-radius:2px;
}
.pg-nav-cta{display:flex;align-items:center;gap:10px;margin-left:auto;}
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--pg-r-btn);
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pg-btn-sm{height:42px;padding:0 16px;font-size:14px;}
.pg-btn-primary{background:var(--pg-accent);color:#fff;box-shadow:0 6px 16px rgba(226,118,60,.22);}
.pg-btn-primary:hover{background:var(--pg-accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(196,98,46,.28);}
.pg-btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(196,98,46,.24);}
.pg-btn-ghost{background:transparent;border-color:rgba(20,99,90,.35);color:var(--pg-brand);}
.pg-btn-ghost:hover{background:var(--pg-soft);border-color:var(--pg-brand);color:var(--pg-brand-deep);}
.pg-btn-outline{background:transparent;border-color:rgba(20,99,90,.35);color:var(--pg-brand);height:44px;padding:0 18px;font-size:14px;}
.pg-btn-outline:hover{background:var(--pg-soft);border-color:var(--pg-brand);}
.pg-nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  margin-left:auto;
  background:var(--pg-soft);
  color:var(--pg-brand);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-r-btn);
  cursor:pointer;
}
.pg-mobile-panel{
  display:none;
  position:absolute;
  top:calc(100% + 10px);
  left:0;right:0;
  padding:20px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-r-card);
  box-shadow:0 16px 40px rgba(18,49,44,.14);
}
.pg-mobile-panel.is-open{display:block;}
.pg-mobile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
.pg-mobile-link{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  min-height:72px;padding:10px;
  background:var(--pg-bg);
  border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-r-btn);
  font-size:13px;color:var(--pg-ink2);text-align:center;
}
.pg-mobile-link svg{width:20px;height:20px;color:var(--pg-brand);}
.pg-mobile-link.is-active{background:var(--pg-soft);color:var(--pg-brand);font-weight:600;border-color:var(--pg-line);}
.pg-mobile-panel .pg-btn{width:100%;margin-top:16px;}

/* ============ 分类页头 ============ */
.pg-cat-hero{
  position:relative;
  margin-top:8px;
  padding:64px 0;
  background:var(--pg-band);
  border-radius:0 0 20px 20px;
  overflow:hidden;
}
.pg-cat-hero::after{
  content:"";
  position:absolute;right:-80px;top:-60px;width:320px;height:320px;
  background:radial-gradient(circle at center,rgba(20,99,90,.10),rgba(20,99,90,0) 70%);
  pointer-events:none;
}
.pg-cat-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:end;
}
.pg-crumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--pg-ink3);margin-bottom:16px;}
.pg-crumb a{color:var(--pg-brand);}
.pg-crumb a:hover{text-decoration:underline;text-underline-offset:3px;}
.pg-cat-hero h1{
  font-size:clamp(30px,3.4vw,36px);
  line-height:1.28;
  margin-bottom:16px;
  max-width:720px;
}
.pg-cat-hero .pg-lead{font-size:16px;color:var(--pg-ink2);max-width:640px;margin-bottom:24px;}
.pg-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:24px;padding:0 10px;margin-bottom:18px;
  background:#fff;border:1px solid var(--pg-line);border-radius:8px;
  font-size:12px;color:var(--pg-brand);letter-spacing:.02em;
}
.pg-anchor-pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;}
.pg-anchor-pill{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;
  background:#fff;border:1px solid var(--pg-line);border-radius:999px;
  font-size:14px;color:var(--pg-ink2);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.pg-anchor-pill:hover{background:var(--pg-brand);color:#fff;border-color:var(--pg-brand);transform:translateY(-1px);}

/* ============ 主体两栏 ============ */
.pg-cat-body{display:grid;grid-template-columns:240px minmax(0,1fr);gap:56px;padding:72px 0 8px;}
.pg-cat-side{position:sticky;top:110px;align-self:start;}
.pg-side-title{font-size:13px;color:var(--pg-ink3);letter-spacing:.04em;margin-bottom:12px;}
.pg-side-link{
  display:block;
  padding:11px 0 11px 16px;
  border-left:2px solid transparent;
  font-size:15px;color:var(--pg-ink2);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.pg-side-link:hover{color:var(--pg-brand);background:rgba(237,243,241,.6);}
.pg-side-link.is-active{border-left-color:var(--pg-accent);color:var(--pg-brand);font-weight:600;}
.pg-side-tip{
  margin-top:24px;padding:16px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-r-img);
  font-size:13px;line-height:1.75;color:var(--pg-ink3);
}

/* ============ 正文块 ============ */
.pg-block{margin-bottom:56px;scroll-margin-top:120px;}
.pg-block:last-child{margin-bottom:0;}
.pg-h2{
  display:flex;align-items:center;gap:10px;
  font-size:clamp(24px,2.4vw,32px);
  line-height:1.3;
  margin-bottom:18px;
}
.pg-h2::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--pg-brand);flex:0 0 auto;}
.pg-prose{font-size:16px;line-height:1.9;color:var(--pg-ink2);}
.pg-figure{margin:28px 0 8px;}
.pg-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--pg-r-img);
  border:1px solid var(--pg-line-soft);
  background:var(--pg-soft);
}
.pg-figure figcaption{margin-top:10px;font-size:13px;color:var(--pg-ink3);text-align:center;}
.pg-points{margin-top:24px;border-top:1px dashed var(--pg-line-soft);}
.pg-point{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--pg-line-soft);}
.pg-point svg{width:20px;height:20px;flex:0 0 auto;margin-top:4px;color:var(--pg-brand);}
.pg-point strong{color:var(--pg-ink);font-weight:600;}
.pg-point span{font-size:15px;line-height:1.8;color:var(--pg-ink2);}

/* ============ 数据条 ============ */
.pg-stat-band{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;margin:48px 0;padding:28px 32px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-r-card);
  box-shadow:var(--pg-shadow);
}
.pg-stat{border-right:1px solid var(--pg-line-soft);padding-right:16px;}
.pg-stat:last-child{border-right:0;padding-right:0;}
.pg-stat b{display:block;font-size:28px;font-weight:700;color:var(--pg-brand);line-height:1.2;}
.pg-stat span{display:block;margin-top:6px;font-size:12px;color:var(--pg-ink3);}

/* ============ FAQ ============ */
.pg-faq{max-width:860px;}
.pg-faq-item{border-bottom:1px solid var(--pg-line-soft);}
.pg-faq-item summary{
  display:flex;align-items:center;gap:14px;
  padding:20px 4px;
  cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--pg-ink);
  transition:color .18s ease,background-color .18s ease;
}
.pg-faq-item summary::-webkit-details-marker{display:none;}
.pg-faq-item summary:hover{color:var(--pg-brand);}
.pg-faq-no{font-size:12px;color:var(--pg-accent);font-weight:700;letter-spacing:.06em;flex:0 0 auto;}
.pg-faq-icon{
  margin-left:auto;width:22px;height:22px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--pg-ink3);transition:transform .22s ease,color .22s ease;
}
.pg-faq-item[open] summary{color:var(--pg-brand);background:#FBF9F4;}
.pg-faq-item[open] .pg-faq-icon{transform:rotate(180deg);color:var(--pg-brand);}
.pg-faq-answer{padding:0 4px 20px 34px;font-size:15px;line-height:1.9;color:var(--pg-ink2);}

/* ============ 推荐卡 ============ */
.pg-reco{margin-top:72px;}
.pg-reco-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.pg-reco-head h2{font-size:24px;}
.pg-reco-head p{font-size:14px;color:var(--pg-ink3);margin:0;}
.pg-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--pg-surface);
  border:1px solid var(--pg-line-soft);
  border-radius:var(--pg-r-card);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pg-card:hover{transform:translateY(-2px);box-shadow:var(--pg-shadow-hover);border-color:var(--pg-line);}
.pg-card-cover{aspect-ratio:16/9;background:var(--pg-soft);overflow:hidden;}
.pg-card-cover img{width:100%;height:100%;object-fit:cover;}
.pg-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.pg-chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:8px;background:var(--pg-soft);color:var(--pg-brand);
  font-size:13px;align-self:flex-start;
}
.pg-card h3{font-size:17px;line-height:1.45;color:var(--pg-ink);transition:color .18s ease;}
.pg-card:hover h3{color:var(--pg-brand);}
.pg-card p{font-size:14px;line-height:1.75;color:var(--pg-ink2);margin:0;}
.pg-card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--pg-ink3);padding-top:6px;}
.pg-card-meta svg{width:16px;height:16px;color:var(--pg-brand);transition:transform .2s ease;}
.pg-card:hover .pg-card-meta svg{transform:translateX(3px);}

/* ============ 转化条 ============ */
.pg-cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  margin:64px 0 0;padding:32px 36px;
  background:var(--pg-band);
  border-radius:var(--pg-r-card);
  border:1px solid rgba(20,99,90,.10);
}
.pg-cta-bar h2{font-size:22px;margin-bottom:8px;}
.pg-cta-bar p{font-size:14px;color:var(--pg-ink2);margin:0;}
.pg-cta-actions{display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.pg-footer{margin-top:88px;background:var(--pg-brand-deep);color:rgba(255,255,255,.72);padding:64px 0 24px;}
.pg-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.pg-footer .pg-logo-text strong{color:#fff;}
.pg-footer .pg-logo-text small{color:rgba(255,255,255,.55);}
.pg-footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:18px 0 12px;}
.pg-footer-tags{font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.02em;}
.pg-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.pg-footer-links li{margin-bottom:10px;}
.pg-footer-links a{
  font-size:14px;color:rgba(255,255,255,.72);
  display:inline-block;
  transition:color .18s ease,transform .18s ease;
}
.pg-footer-links a:hover{color:#fff;transform:translateX(2px);}
.pg-footer-bottom{
  margin-top:48px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .pg-cat-body{grid-template-columns:210px minmax(0,1fr);gap:40px;}
}
@media (max-width:991px){
  .pg-nav-links,.pg-nav-cta{display:none;}
  .pg-nav-toggle{display:inline-flex;}
  .pg-cat-hero-grid{grid-template-columns:minmax(0,1fr);align-items:start;}
  .pg-anchor-pills{justify-content:flex-start;}
  .pg-cat-body{grid-template-columns:minmax(0,1fr);gap:0;padding-top:56px;}
  .pg-cat-side{position:static;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px;}
  .pg-side-title{display:none;}
  .pg-side-tip{display:none;}
  .pg-side-link{
    border-left:0;border:1px solid var(--pg-line);
    border-radius:999px;padding:8px 16px;font-size:13px;background:#fff;
  }
  .pg-side-link.is-active{background:var(--pg-soft);border-color:var(--pg-line);}
  .pg-footer-grid{grid-template-columns:1fr 1fr;}
  .pg-cta-bar{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .pg-header{padding:12px 16px 8px;}
  .pg-container{padding:0 20px;}
  .pg-nav{min-height:68px;padding:10px 12px;gap:10px;}
  .pg-logo-text small{display:none;}
  .pg-cat-hero{padding:48px 0;border-radius:0 0 16px 16px;}
  .pg-cat-hero h1{font-size:30px;}
  .pg-cat-hero .pg-lead{font-size:15px;}
  .pg-cat-body{padding-top:48px;}
  .pg-block{margin-bottom:48px;}
  .pg-stat-band{grid-template-columns:1fr;gap:16px;padding:24px;}
  .pg-stat{border-right:0;border-bottom:1px solid var(--pg-line-soft);padding:0 0 16px;}
  .pg-stat:last-child{border-bottom:0;padding-bottom:0;}
  .pg-cta-bar{padding:24px;}
  .pg-cta-actions{width:100%;}
  .pg-cta-actions .pg-btn{flex:1 1 100%;}
  .pg-footer{padding-top:48px;}
  .pg-faq-answer{padding-left:26px;}
  .pg-faq-item summary{font-size:16px;gap:10px;}
}
@media (max-width:559px){
  .pg-mobile-grid{grid-template-columns:1fr;}
  .pg-footer-grid{grid-template-columns:1fr;gap:28px;}
  .pg-footer-bottom{flex-direction:column;align-items:flex-start;}
  .pg-reco-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .pg-stat b{font-size:24px;}
}

/* roulang page: category2 */
:root{
  --brand:#14635A;
  --brand-deep:#0D4741;
  --accent:#E2763C;
  --accent-deep:#C4622E;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --band:#F0EBE1;
  --tint:#EDF3F1;
  --ink:#16201D;
  --ink-2:#4A5754;
  --ink-3:#7C8985;
  --line:rgba(20,99,90,.14);
  --line-soft:rgba(22,32,29,.08);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(18,49,44,.06),0 8px 24px rgba(18,49,44,.07);
  --sh-hover:0 12px 32px rgba(18,49,44,.12);
  --w:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:-0.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,box-shadow .18s ease,transform .18s ease}
a:hover{color:var(--brand-deep)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(226,118,60,.22);color:var(--ink)}
/* Foundation 覆盖 */
body,.button,input,select,textarea{font-family:var(--font)}
a.button,button.button{background:var(--accent);color:#fff}
input,textarea,select{border-radius:var(--r-btn)}

/* 容器 */
.pg-container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}

/* 按钮 */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.pg-btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 6px 18px rgba(226,118,60,.24)}
.pg-btn-primary:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(226,118,60,.30)}
.pg-btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(226,118,60,.24)}
.pg-btn-ghost{background:transparent;color:var(--brand);border-color:rgba(20,99,90,.35)}
.pg-btn-ghost:hover{background:var(--tint);border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px)}
.pg-btn-ghost:active{transform:translateY(0)}
.pg-btn-sm{height:40px;padding:0 16px;font-size:14px}
.pg-btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.72)}
.pg-btn-on-dark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* 头部导航 */
.pg-header{position:sticky;top:16px;z-index:60;padding:0 24px}
.pg-nav{
  position:relative;
  max-width:var(--w);margin:0 auto;
  min-height:76px;display:flex;align-items:center;gap:16px;
  padding:12px 16px;
  background:var(--surface);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  transition:box-shadow .22s ease,border-color .22s ease;
}
.pg-nav.is-stuck{box-shadow:0 10px 30px rgba(18,49,44,.10);border-color:var(--line)}
.pg-logo{display:inline-flex;align-items:center;gap:12px;color:var(--ink);flex:0 0 auto}
.pg-logo:hover{color:var(--ink)}
.pg-logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;
  font-size:15px;font-weight:700;letter-spacing:.04em;
  transition:transform .22s ease,background-color .22s ease;
}
.pg-logo-text{display:flex;flex-direction:column;line-height:1.25}
.pg-logo-text strong{font-size:16px;font-weight:700;color:var(--ink)}
.pg-logo-text small{font-size:12px;color:var(--ink-3);font-weight:400}
.pg-nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto}
.pg-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--ink-2);
}
.pg-nav-link svg{width:18px;height:18px;transition:transform .18s ease}
.pg-nav-link:hover{background:var(--tint);color:var(--brand)}
.pg-nav-link:hover svg{transform:translateY(-1px)}
.pg-nav-link.is-active{color:var(--brand);font-weight:600}
.pg-nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.pg-nav-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.pg-nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:var(--surface);color:var(--brand);
  border:1px solid var(--line);border-radius:10px;cursor:pointer;margin-left:auto;
}
.pg-nav-toggle:hover{background:var(--tint)}
.pg-mobile-panel{
  display:none;
  position:absolute;left:0;right:0;top:calc(100% + 8px);
  background:var(--surface);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-hover);
  z-index:70;
}
.pg-mobile-panel.is-open{display:block}
.pg-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pg-mobile-link{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  min-height:72px;padding:10px;text-align:center;
  border:1px solid var(--line-soft);border-radius:12px;
  font-size:13px;color:var(--ink-2);line-height:1.4;
}
.pg-mobile-link svg{width:20px;height:20px;color:var(--brand)}
.pg-mobile-link:hover{background:var(--tint);color:var(--brand);border-color:var(--line)}
.pg-mobile-link.is-active{border-color:var(--brand);color:var(--brand);font-weight:600}
.pg-mobile-cta{width:100%;margin-top:16px}

@media (hover:hover) and (min-width:993px){
  .pg-logo:hover .pg-logo-mark{transform:rotate(-3deg)}
}

/* 页头 */
.pg-pagehead{background:var(--surface);padding:56px 0 0}
.pg-pagehead-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.pg-pagehead-text{border-left:4px solid var(--brand);padding-left:24px}
.pg-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--ink-3);margin-bottom:16px}
.pg-crumb a{color:var(--brand)}
.pg-crumb a:hover{text-decoration:underline;text-underline-offset:3px}
.pg-pagehead h1{font-size:34px;line-height:1.28;margin-bottom:16px}
.pg-pagehead-sub{font-size:15px;line-height:1.85;color:var(--ink-2);max-width:520px}
.pg-pagehead-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pg-chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:8px;background:var(--tint);color:var(--brand);
  font-size:13px;font-weight:500;line-height:1;
}
.pg-chip-accent{background:rgba(226,118,60,.12);color:var(--accent-deep)}
.pg-pagehead-media{
  aspect-ratio:16/9;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line-soft);background:var(--tint);
}
.pg-pagehead-media img{width:100%;height:100%;object-fit:cover}

/* 数据条 */
.pg-stats{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-card);
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:48px;padding:28px 8px;box-shadow:var(--sh);
}
.pg-stat{padding:0 24px;text-align:left}
.pg-stat + .pg-stat{border-left:1px solid var(--line-soft)}
.pg-stat-num{display:block;font-size:28px;font-weight:700;color:var(--brand);line-height:1.2;margin-bottom:6px}
.pg-stat-label{font-size:12px;color:var(--ink-3);letter-spacing:.02em}

/* 板块 */
.pg-section{padding:88px 0}
.pg-section-head{max-width:760px;margin-bottom:40px}
.pg-section-head h2{font-size:32px;line-height:1.3;margin-bottom:14px}
.pg-section-head p{font-size:14px;color:var(--ink-2);line-height:1.85}
.pg-eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-bottom:12px}

/* 图文交替 */
.pg-zigzag{border-top:1px solid var(--line-soft);padding-top:56px;margin-top:56px}
.pg-zigzag:first-of-type{border-top:0;padding-top:0;margin-top:0}
.pg-zig{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:56px 0;border-bottom:1px solid var(--line-soft)}
.pg-zig:last-child{border-bottom:0;padding-bottom:0}
.pg-zig.is-reverse .pg-zig-media{order:2}
.pg-zig-media{
  aspect-ratio:16/10;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line-soft);background:var(--tint);
}
.pg-zig-media img{width:100%;height:100%;object-fit:cover}
.pg-zig-num{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:12px}
.pg-zig h2{font-size:26px;line-height:1.32;margin-bottom:16px}
.pg-zig p{font-size:15px;line-height:1.9;color:var(--ink-2)}
.pg-zig .pg-btn{margin-top:24px}

/* 要点清单 */
.pg-points{margin:20px 0 0;display:grid;gap:12px}
.pg-points li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.pg-points svg{width:18px;height:18px;flex:0 0 18px;color:var(--brand);margin-top:3px}

/* 步骤条 */
.pg-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.pg-step{position:relative;display:grid;gap:14px}
.pg-step-num{
  width:36px;height:36px;border-radius:50%;
  border:1.5px solid var(--brand);color:var(--brand);
  display:grid;place-items:center;font-size:14px;font-weight:700;
  background:var(--surface);position:relative;z-index:2;
}
.pg-step:not(:last-child)::after{
  content:"";position:absolute;top:18px;left:52px;right:-16px;height:1px;background:var(--line);
}
.pg-step-title{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:6px}
.pg-step-desc{font-size:13px;line-height:1.75;color:var(--ink-3);margin:0}

/* 配置清单 */
.pg-spec{border-top:1px solid var(--line-soft);margin-top:8px}
.pg-spec-row{display:grid;grid-template-columns:260px 1fr;gap:24px;padding:20px 0;border-bottom:1px dashed var(--line-soft);align-items:start}
.pg-spec-key{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--ink)}
.pg-spec-key svg{width:18px;height:18px;color:var(--brand);flex:0 0 18px}
.pg-spec-val{font-size:15px;line-height:1.85;color:var(--ink-2)}

/* 深色 CTA */
.pg-cta{
  background:var(--brand-deep);border-radius:20px;padding:48px;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.08) inset;
}
.pg-cta h2{color:#fff;font-size:30px;line-height:1.32;margin-bottom:14px}
.pg-cta-desc{color:rgba(255,255,255,.72);font-size:15px;line-height:1.8;margin-bottom:24px;max-width:460px}
.pg-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.pg-cta-note{font-size:12px;color:rgba(255,255,255,.62);line-height:1.7}
.pg-cta-side{display:flex;flex-direction:column;align-items:center;gap:12px}
.pg-qr{
  width:132px;height:132px;background:#fff;border-radius:12px;padding:10px;
  display:grid;place-items:center;
}
.pg-qr svg{width:100%;height:100%;display:block}
.pg-qr-note{font-size:12px;color:rgba(255,255,255,.62);text-align:center;line-height:1.6}

/* FAQ */
.pg-faq{max-width:860px}
.pg-faq-item{border-bottom:1px solid var(--line-soft)}
.pg-faq-item:first-child{border-top:1px solid var(--line-soft)}
.pg-faq-item summary{
  display:flex;align-items:center;gap:16px;
  min-height:64px;padding:16px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s ease,background-color .18s ease,padding .18s ease;
}
.pg-faq-item summary::-webkit-details-marker{display:none}
.pg-faq-item summary:hover{color:var(--brand)}
.pg-faq-num{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.08em;flex:0 0 auto}
.pg-faq-text{flex:1 1 auto;line-height:1.55}
.pg-faq-icon{width:20px;height:20px;flex:0 0 20px;color:var(--ink-3);transition:transform .2s ease,color .2s ease}
.pg-faq-item[open] summary{color:var(--brand);background:#FBF9F4;padding-left:12px;padding-right:12px}
.pg-faq-item[open] .pg-faq-icon{transform:rotate(45deg);color:var(--brand)}
.pg-faq-a{padding:8px 12px 20px 44px;font-size:15px;line-height:1.9;color:var(--ink-2);background:#FBF9F4}
.pg-faq-a p{margin:0}

/* 页脚 */
.pg-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:88px}
.pg-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.pg-footer .pg-logo-text strong{color:#fff}
.pg-footer .pg-logo-text small{color:rgba(255,255,255,.6)}
.pg-footer .pg-logo:hover .pg-logo-text strong{color:#fff}
.pg-footer h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.pg-footer-desc{font-size:14px;line-height:1.8;margin:16px 0 12px;color:rgba(255,255,255,.72)}
.pg-footer-tags{font-size:12px;color:rgba(255,255,255,.5);margin:0}
.pg-footer-links{display:grid;gap:10px}
.pg-footer-links a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .18s ease,transform .18s ease}
.pg-footer-links a:hover{color:#fff;transform:translateX(2px)}
.pg-footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.55);
}

/* 响应式 */
@media (max-width:1199px){
  .pg-pagehead h1{font-size:32px}
  .pg-zig{gap:32px}
  .pg-cta{padding:40px;gap:32px}
}
@media (max-width:991px){
  .pg-nav-links,.pg-nav-cta{display:none}
  .pg-nav-toggle{display:inline-flex}
  .pg-header{top:12px}
  .pg-pagehead-grid{grid-template-columns:1fr;gap:32px}
  .pg-pagehead-text{padding-left:20px}
  .pg-pagehead-media{aspect-ratio:16/9}
  .pg-section{padding:64px 0}
  .pg-zig{grid-template-columns:1fr;gap:24px;padding:40px 0}
  .pg-zig.is-reverse .pg-zig-media{order:0}
  .pg-zig-media{aspect-ratio:16/10;max-height:220px}
  .pg-steps{grid-template-columns:1fr 1fr;gap:28px 24px}
  .pg-step:not(:last-child)::after{display:none}
  .pg-cta{grid-template-columns:1fr;padding:36px}
  .pg-spec-row{grid-template-columns:1fr;gap:8px;padding:18px 0}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .pg-container{padding:0 20px}
  .pg-header{padding:0 12px;top:10px}
  .pg-nav{padding:10px 12px;min-height:68px;border-radius:14px}
  .pg-pagehead{padding:40px 0 0}
  .pg-pagehead h1{font-size:30px}
  .pg-pagehead-sub{font-size:14px}
  .pg-stats{grid-template-columns:1fr;padding:8px;margin-top:32px}
  .pg-stat{padding:18px 20px}
  .pg-stat + .pg-stat{border-left:0;border-top:1px solid var(--line-soft)}
  .pg-section{padding:56px 0}
  .pg-section-head h2{font-size:24px}
  .pg-zig h2{font-size:22px}
  .pg-zig-media{max-height:180px}
  .pg-step{grid-template-columns:36px 1fr;gap:14px;align-items:start}
  .pg-step-body{padding-top:2px}
  .pg-cta{padding:28px 24px;border-radius:16px}
  .pg-cta h2{font-size:23px}
  .pg-cta-actions .pg-btn{width:100%}
  .pg-faq-item summary{font-size:16px;gap:12px;padding:14px 0}
  .pg-faq-a{padding:8px 12px 18px 40px;font-size:14px}
  .pg-footer{padding:48px 0 24px;margin-top:56px}
  .pg-footer-grid{grid-template-columns:1fr;gap:28px}
  .pg-footer-bottom{flex-direction:column;gap:6px;margin-top:32px}
}
@media (max-width:520px){
  .pg-logo-text small{font-size:11px}
  .pg-pagehead h1{font-size:26px}
  .pg-zig-media{max-height:170px}
  .pg-steps{grid-template-columns:1fr}
  .pg-cta-actions{flex-direction:column;align-items:stretch}
}