/* roulang page: index */
:root{
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --ink:#0E1512;
  --ink-2:#1C2620;
  --brand:#1F7A57;
  --brand-2:#0F5A3E;
  --accent:#D9F35C;
  --warn:#FF6B3D;
  --muted:#6B7A72;
  --line:#E3DED4;
  --soft:#EDF3EF;
  --r-sm:4px;
  --r-md:10px;
  --r-lg:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,21,18,.06);
  --sh-2:0 8px 24px rgba(14,21,18,.08);
  --sec-lg:96px;
  --sec-md:64px;
  --sec-sm:40px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:110px;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;color:var(--ink);line-height:1.25;}
p{margin:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand-2);}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:14px 0;
  background:rgba(247,245,240,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 14px;
  box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:var(--r-md);
  background:var(--brand);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:20px;letter-spacing:0;
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:6px;flex:1 1 auto;flex-wrap:nowrap;overflow:hidden;}
.nav-chip{
  display:inline-block;padding:9px 14px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  border:1px solid transparent;transition:all .2s ease-out;
}
.nav-chip:hover{background:var(--soft);color:var(--brand);}
.nav-chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);}
.nav-chip.is-active:hover{background:var(--brand-2);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto;}
.nav-toggle{
  display:none;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-md);padding:9px 13px;font-size:15px;font-weight:600;color:var(--ink-2);
}
.nav-toggle:hover{background:var(--soft);color:var(--brand);}

.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  background:var(--paper);
  padding:22px 20px 32px;
  overflow-y:auto;
  display:flex;flex-direction:column;gap:14px;
}
.mobile-drawer[hidden]{display:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md);padding:8px 12px;font-weight:600;color:var(--ink-2);}
.drawer-list{display:flex;flex-direction:column;gap:10px;margin-top:6px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md);
  padding:15px 16px;font-weight:600;color:var(--ink);font-size:16px;
}
.drawer-list a:hover,.drawer-list a.is-active{border-color:var(--brand);color:var(--brand);}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);border:1px solid transparent;
  padding:13px 24px;font-size:16px;font-weight:700;line-height:1.2;
  transition:all .2s ease-out;text-align:center;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-2);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{background:#c9e94a;color:var(--ink);transform:translateY(-1px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
  color:var(--brand);font-weight:700;text-decoration:underline;
  text-underline-offset:4px;text-decoration-thickness:1px;
}
.text-link:hover{color:var(--brand-2);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-lg) 0;}
.section-sm{padding:var(--sec-md) 0;}
.section-dark{background:var(--ink);color:#EDEFEA;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-paper2{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:36px;flex-wrap:wrap;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);
  text-transform:uppercase;margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}
.sec-title{font-size:clamp(1.6rem,3.4vw,2.4rem);line-height:1.25;}
.sec-desc{margin-top:12px;color:var(--muted);max-width:66ch;font-size:16px;}
.on-dark .sec-eyebrow{color:var(--accent);}
.on-dark .sec-desc{color:#B9C3BC;}

/* ---------- Hero ---------- */
.hero{padding:56px 0 40px;position:relative;}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 15px;font-size:13px;font-weight:700;color:var(--brand);margin-bottom:20px;
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero h1{font-size:clamp(2.2rem,5.2vw,4rem);line-height:1.15;letter-spacing:-.02em;}
.hero h1 .hl{position:relative;display:inline-block;}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.28em;
  background:var(--accent);z-index:-1;border-radius:2px;
}
.hero-rule{width:44px;height:4px;background:var(--brand);border-radius:2px;margin:24px 0;}
.hero-sub{font-size:17px;color:#3B463F;max-width:56ch;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:38px;}
.stat-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 18px;transition:all .2s ease-out;
}
.stat-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--sh-2);}
.stat-num{font-size:26px;font-weight:900;color:var(--brand);letter-spacing:-.02em;line-height:1.2;}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);
}
.hero-tag{
  position:absolute;top:16px;right:16px;
  background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:800;padding:6px 12px;border-radius:var(--r-pill);
}

/* ---------- 锚点条 ---------- */
.anchor-bar{padding:8px 0 0;}
.anchor-inner{
  display:flex;gap:8px;overflow-x:auto;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:8px;box-shadow:var(--sh-1);scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  padding:9px 18px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  color:var(--ink-2);white-space:nowrap;border-bottom:2px solid transparent;
  transition:all .2s ease-out;
}
.anchor-inner a:hover{background:var(--soft);color:var(--brand);border-bottom-color:var(--accent);}

/* ---------- Bento 卖点 ---------- */
.bento{display:grid;grid-template-columns:1.25fr 1fr;grid-template-rows:auto auto;gap:20px;}
.bento-big{
  grid-row:span 2;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;display:flex;flex-direction:column;gap:18px;
  transition:all .2s ease-out;position:relative;overflow:hidden;
}
.bento-big::before,.bento-small::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .24s ease-out;
}
.bento-big:hover::before,.bento-small:hover::before{transform:scaleX(1);}
.bento-big:hover,.bento-small:hover{border-color:var(--brand);box-shadow:var(--sh-2);transform:translateY(-3px);}
.bento-big img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);border:1px solid var(--line);}
.bento-small{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;display:flex;gap:18px;align-items:flex-start;
  transition:all .2s ease-out;position:relative;overflow:hidden;
}
.bento-small img{width:96px;height:96px;object-fit:cover;border-radius:var(--r-md);border:1px solid var(--line);flex:0 0 auto;}
.bento h3{font-size:clamp(1.15rem,2vw,1.5rem);margin-bottom:8px;}
.bento p{color:var(--muted);font-size:15px;}
.bento-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.bento-list li{display:flex;gap:10px;font-size:15px;color:#3B463F;}
.bento-list li::before{content:"—";color:var(--brand);font-weight:800;}

/* ---------- 演示区 ---------- */
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.demo-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);}
.demo-steps{display:flex;flex-direction:column;gap:18px;margin-top:26px;}
.demo-step{display:flex;gap:16px;align-items:flex-start;}
.step-no{
  width:34px;height:34px;flex:0 0 auto;border-radius:50%;
  background:var(--brand);color:var(--accent);font-weight:900;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.demo-step h4{font-size:17px;font-weight:700;margin-bottom:4px;}
.demo-step p{font-size:15px;color:var(--muted);}

/* ---------- 证据区 ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.num-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;transition:all .2s ease-out;
}
.num-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--sh-2);}
.num-card .n{font-size:clamp(2rem,4vw,2.8rem);font-weight:900;color:var(--brand);letter-spacing:-.02em;line-height:1.1;}
.num-card .t{font-weight:700;margin-top:8px;}
.num-card .d{font-size:14px;color:var(--muted);margin-top:6px;}
.quote-card{
  background:var(--ink-2);color:#E6EAE6;border-radius:var(--r-lg);padding:28px;
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;
  border:1px solid var(--ink-2);
}
.quote-card .q{font-size:17px;line-height:1.85;color:#fff;}
.quote-card .q::before{content:"“";display:block;font-size:44px;line-height:.6;color:var(--accent);margin-bottom:10px;}
.quote-meta{display:flex;align-items:center;gap:12px;border-top:1px solid rgba(255,255,255,.14);padding-top:16px;}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.quote-meta span{font-size:14px;display:block;}
.quote-meta .name{font-weight:700;color:#fff;}
.quote-meta .role{color:#A9B5AC;font-size:13px;}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.price-card{
  position:relative;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px 26px;display:flex;flex-direction:column;
  transition:all .2s ease-out;
}
.price-card:hover{border-color:var(--brand);box-shadow:var(--sh-2);transform:translateY(-3px);}
.price-card.is-featured{border:2px solid var(--brand);box-shadow:var(--sh-2);}
.price-flag{
  position:absolute;top:-14px;left:26px;background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:800;padding:5px 13px;border-radius:var(--r-pill);
}
.price-name{font-size:18px;font-weight:800;}
.price-value{font-size:34px;font-weight:900;color:var(--brand);letter-spacing:-.02em;margin:14px 0 2px;line-height:1.1;}
.price-value small{font-size:14px;font-weight:600;color:var(--muted);letter-spacing:0;}
.price-note{font-size:14px;color:var(--muted);}
.price-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:11px;}
.price-list li{display:flex;gap:10px;font-size:15px;color:#3B463F;}
.price-list li::before{content:"✓";color:var(--brand);font-weight:900;}
.price-card .btn{margin-top:auto;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:700;color:var(--ink);
  transition:color .2s ease-out;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);background:var(--paper-2);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  transition:transform .22s ease-out,background .22s ease-out,color .22s ease-out;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out;}
.faq-item.is-open .faq-a{max-height:600px;}
.faq-a p{padding:0 0 24px;color:#3B463F;max-width:72ch;font-size:16px;}

/* ---------- 最新信息 ---------- */
.news-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:all .2s ease-out;margin-bottom:24px;
}
.news-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--sh-2);}
.news-cover{display:block;overflow:hidden;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.tag{
  display:inline-block;align-self:flex-start;
  border:1px solid var(--brand);color:var(--brand);
  font-size:12px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);
}
.news-title{font-size:17px;font-weight:800;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:var(--ink);}
.news-title a:hover{color:var(--brand);}
.news-sum{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;}
.news-foot .arrow{color:var(--brand);font-weight:800;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-lg);
  background:var(--paper-2);padding:44px 24px;text-align:center;color:var(--muted);
}
.empty-state .btn{margin-top:16px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem);}
.cta-band p{color:#B9C3BC;margin-top:10px;max-width:56ch;}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C8D0CA;padding:64px 0 0;margin-top:var(--sec-lg);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--accent);color:var(--ink);}
.footer-brand b{color:#fff;font-size:17px;}
.site-footer p{font-size:14px;color:#9FA9A2;line-height:1.8;}
.site-footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:#C8D0CA;font-size:14px;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8892 8B;color:#88928B;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:flex;align-items:center;gap:14px;
  background:var(--ink);color:#fff;border-radius:var(--r-pill);
  padding:10px 12px 10px 22px;box-shadow:0 12px 30px rgba(14,21,18,.22);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .24s ease-out,transform .24s ease-out;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta span{font-size:14px;font-weight:700;white-space:nowrap;}
.float-cta .btn{border-radius:var(--r-pill);}
.float-cta-close{
  background:transparent;border:0;color:#9FA9A2;font-size:20px;line-height:1;
  padding:6px 8px;border-radius:50%;
}
.float-cta-close:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1120px){
  .nav-links{gap:2px;}
  .nav-chip{padding:9px 11px;font-size:14px;}
}
@media screen and (max-width:1023px){
  html{scroll-padding-top:92px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-block;}
  .nav-actions .btn-primary{display:none;}
  .hero{padding:34px 0 24px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .bento{grid-template-columns:1fr;grid-template-rows:auto;}
  .bento-big{grid-row:auto;}
  .demo-grid{grid-template-columns:1fr;gap:34px;}
  .proof-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:var(--sec-md) 0;}
  .cta-band{padding:34px;}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:34px;height:34px;font-size:18px;}
  .hero h1{font-size:clamp(1.9rem,8vw,2.5rem);}
  .hero-stats{grid-template-columns:1fr;gap:12px;}
  .sec-head{margin-bottom:26px;}
  .section{padding:var(--sec-sm) 0;}
  .bento-small{flex-direction:column;}
  .bento-small img{width:100%;height:auto;aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-cta{right:14px;left:14px;bottom:14px;justify-content:space-between;padding:10px 12px;}
  .float-cta span{white-space:normal;font-size:13px;}
  .cta-band{padding:26px 20px;}
  .cta-band .actions{width:100%;}
  .cta-band .actions .btn{flex:1 1 auto;}
  .anchor-inner{border-radius:var(--r-lg);}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --ink:#0E1512;
  --ink-2:#1C2620;
  --brand:#1F7A57;
  --brand-2:#0F5A3E;
  --accent:#D9F35C;
  --warn:#FF6B3D;
  --muted:#6B7A72;
  --line:#E3DED4;
  --radius-s:4px;
  --radius-m:10px;
  --radius-l:14px;
  --radius-pill:999px;
  --shadow-s:0 1px 2px rgba(14,21,18,.06);
  --shadow-hover:0 8px 24px rgba(14,21,18,.08);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:40px;
  --sp-5:64px;
  --sp-6:96px;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter","Space Grotesk","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-m)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--brand-2)}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;color:var(--ink)}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.2em;padding-left:1.35em}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:var(--radius-s)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.container-wide{max-width:1280px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--radius-m);z-index:200}
.skip-link:focus{left:20px;top:12px;color:#fff}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:12px 0;transition:background .2s ease-out,box-shadow .2s ease-out}
.site-header.is-stuck{background:rgba(247,245,240,.94);box-shadow:0 1px 0 var(--line);backdrop-filter:blur(8px)}
.nav-panel{
  display:flex;align-items:center;gap:var(--sp-2);
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:12px 16px;
  box-shadow:var(--shadow-s);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:var(--radius-m);
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:17px;letter-spacing:.02em;
}
.brand-text{font-weight:900;font-size:17px;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand:hover .brand-text{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;flex-wrap:wrap}
.nav-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--radius-m);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  border:1px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.nav-chip:hover{background:#F1EFE8;color:var(--brand);border-color:var(--line);transform:translateY(-1px)}
.nav-chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand)}
.nav-chip.is-active:hover{background:var(--brand-2);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-m);
  border:1px solid var(--line);background:var(--paper-2);color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-drawer{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-m);
  font-weight:700;font-size:15px;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-2);border-color:var(--brand-2);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{padding:9px 16px;font-size:14px}
.link-arrow{font-weight:700;border-bottom:1px solid var(--brand);padding-bottom:2px}
.link-arrow:hover{border-bottom-color:var(--brand-2)}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;font-size:13.5px;color:var(--muted)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--line)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .current{color:var(--ink-2);font-weight:600}

/* ---------- 文章头部 ---------- */
.article-head{padding:var(--sp-4) 0 var(--sp-3)}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;
  background:#EDF5F1;border:1px solid #CFE4DA;
  padding:6px 12px;border-radius:var(--radius-pill);
  margin-bottom:var(--sp-2);
}
.article-title{
  font-size:clamp(2rem,4.4vw,3.1rem);
  line-height:1.2;font-weight:900;letter-spacing:-.02em;
  max-width:22ch;
}
.title-rule{width:40px;height:4px;background:var(--brand);border-radius:2px;margin:22px 0 20px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.meta-item{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;color:var(--muted);
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:6px 14px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
}
.meta-item i{color:var(--brand);font-size:12px}
.meta-item.is-cat{font-family:var(--font-cn);color:var(--brand);border-color:#CFE4DA;background:#EDF5F1;font-weight:700}

/* ---------- 主布局 ---------- */
.article-body{padding:var(--sp-3) 0 var(--sp-5)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:48px;align-items:start}
.main-col{min-width:0}
.panel{
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:clamp(20px,3vw,36px);
  box-shadow:var(--shadow-s);
}

/* ---------- 正文排版 ---------- */
.entry-content{max-width:780px;font-size:17px;line-height:1.9;color:#16201A}
.entry-content>*:first-child{margin-top:0}
.entry-content h2{
  font-size:clamp(1.4rem,2.6vw,1.9rem);line-height:1.3;font-weight:900;
  margin:48px 0 18px;padding-left:16px;position:relative;letter-spacing:-.015em;
}
.entry-content h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;background:var(--brand);border-radius:2px}
.entry-content h3{font-size:clamp(1.12rem,1.8vw,1.35rem);font-weight:800;margin:34px 0 14px;color:var(--ink)}
.entry-content p{margin:0 0 1.2em}
.entry-content strong{font-weight:800;color:var(--ink)}
.entry-content a{border-bottom:1px solid var(--brand)}
.entry-content ul,.entry-content ol{padding-left:1.4em;margin:0 0 1.3em}
.entry-content li{margin-bottom:.5em}
.entry-content blockquote{
  margin:26px 0;padding:18px 22px;
  background:#F2F0E9;border-left:3px solid var(--brand);
  border-radius:0 var(--radius-m) var(--radius-m) 0;color:var(--ink-2);
}
.entry-content blockquote p:last-child{margin-bottom:0}
.entry-content img{margin:26px 0;border:1px solid var(--line);border-radius:var(--radius-m)}
.entry-content figure{margin:26px 0}
.entry-content figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px}
.entry-content table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.entry-content th{background:#F2F0E9;font-weight:800}
.entry-content hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.entry-content code{background:#F2F0E9;border:1px solid var(--line);border-radius:var(--radius-s);padding:2px 6px;font-size:14px}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:22px;box-shadow:var(--shadow-s);
}
.side-card h3{font-size:15px;font-weight:900;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand);font-size:13px}
.toc-list{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc-list li{margin-bottom:2px}
.toc-list a{
  display:block;font-size:14px;color:var(--ink-2);line-height:1.55;
  padding:7px 10px;border-radius:var(--radius-s);border-left:2px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.toc-list a:hover{background:#F2F0E9;color:var(--brand);border-left-color:var(--brand)}
.toc-list a.is-lv3{padding-left:22px;font-size:13.4px;color:var(--muted)}
.toc-empty{font-size:14px;color:var(--muted);margin:0}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px;line-height:1.6}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list li a{color:var(--ink-2);font-weight:600}
.side-list li a:hover{color:var(--brand)}
.side-list span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;font-family:var(--font-num)}
.side-cta{background:var(--ink);border-color:var(--ink-2);color:#E7EAE6}
.side-cta h3{color:#fff}
.side-cta h3 i{color:var(--accent)}
.side-cta p{font-size:14px;color:#AFBAB3;margin-bottom:16px}
.side-cta .btn{width:100%}
.side-cta .btn-primary:hover{background:var(--accent);border-color:var(--accent);color:var(--ink)}

/* ---------- 无内容态 ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-l);
  background:var(--paper-2);padding:48px 28px;text-align:center;
}
.empty-state i{font-size:28px;color:var(--muted);margin-bottom:14px;display:block}
.empty-state h2{font-size:1.35rem;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px}

/* ---------- 相关推荐 ---------- */
.related{padding:var(--sp-5) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2.1rem);line-height:1.25}
.section-head .eyebrow{
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;display:block;margin-bottom:8px;
}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rcard{
  display:flex;flex-direction:column;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  position:relative;
}
.rcard::after{content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:var(--accent);opacity:0;transition:opacity .2s ease-out}
.rcard:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-hover)}
.rcard:hover::after{opacity:1}
.rcard-media{aspect-ratio:16/9;overflow:hidden;background:#EDEAE2}
.rcard-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease-out}
.rcard:hover .rcard-media img{transform:scale(1.04)}
.rcard-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;font-weight:700;color:var(--brand);
  border:1px solid #CFE4DA;background:#EDF5F1;
  padding:4px 10px;border-radius:var(--radius-pill);
}
.rcard-body h3{font-size:16.5px;line-height:1.5;font-weight:800;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard-body h3 a{color:var(--ink)}
.rcard-body h3 a:hover{color:var(--brand)}
.rcard-body p{font-size:14px;color:var(--muted);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);font-family:var(--font-num);font-variant-numeric:tabular-nums}
.rcard-foot i{color:var(--brand)}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--ink);color:#E9ECE8;border-radius:var(--radius-l);
  padding:clamp(32px,5vw,56px);position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;background:radial-gradient(circle,rgba(217,243,92,.22),transparent 68%);
}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.3;margin-bottom:14px}
.cta-band p{color:#AFBAB3;font-size:15.5px;max-width:62ch;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:22px;font-size:13px;color:#8C9A92;display:flex;align-items:center;gap:8px}
.cta-note i{color:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9D2CC;margin-top:var(--sp-5);padding:var(--sp-5) 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--brand);color:#fff}
.footer-brand b{color:#fff;font-size:17px;font-weight:900;letter-spacing:-.01em}
.site-footer p{font-size:14px;line-height:1.8;color:#9FAcA4;margin:0}
.site-footer h4{color:#fff;font-size:14px;font-weight:800;letter-spacing:.06em;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{font-size:14px;color:#9FAcA4;transition:color .2s ease-out}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:var(--sp-4);padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8C9A92;font-family:var(--font-num);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:110;
  display:flex;align-items:center;gap:12px;
  background:var(--ink);color:#fff;border:1px solid var(--ink-2);
  border-radius:var(--radius-pill);padding:10px 12px 10px 20px;
  box-shadow:0 10px 28px rgba(14,21,18,.22);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s;
  max-width:calc(100% - 32px);
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta span{font-size:14px;font-weight:700;white-space:nowrap}
.float-cta .btn{padding:9px 16px;font-size:13.5px}
.float-cta-close{
  width:26px;height:26px;border-radius:50%;border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#B9C4BD;cursor:pointer;line-height:1;flex-shrink:0;
  transition:background .2s ease-out,color .2s ease-out;
}
.float-cta-close:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .26s ease-out,transform .26s ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .side-col{position:static;order:2}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
  .nav-chip{padding:8px 11px;font-size:14px}
}
@media screen and (max-width:860px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-panel{justify-content:space-between}
  .nav-drawer{
    display:block;margin-top:10px;
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-l);
    padding:14px;box-shadow:var(--shadow-hover);
  }
  .nav-drawer[hidden]{display:none}
  .nav-drawer .nav-chip{display:flex;width:100%;justify-content:flex-start;padding:12px 14px;font-size:15px}
  .nav-drawer .drawer-cta{margin-top:12px}
  .nav-drawer .drawer-cta .btn{width:100%}
}
@media screen and (max-width:768px){
  body{font-size:16px}
  .article-head{padding:28px 0 20px}
  .article-title{max-width:100%}
  .panel{padding:22px 18px}
  .entry-content{font-size:16px}
  .entry-content h2{margin-top:36px;font-size:1.35rem}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .related{padding:44px 0}
  .cta-band{padding:28px 22px}
  .float-cta{right:16px;left:16px;bottom:14px;justify-content:space-between;padding:9px 10px 9px 16px}
  .float-cta span{font-size:13.5px}
}
@media screen and (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:15.5px}
  .brand-mark{width:32px;height:32px;font-size:15px}
  .nav-actions .btn{display:none}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-bottom{justify-content:flex-start}
  .cta-actions .btn{width:100%}
  .float-cta .btn{padding:8px 12px;font-size:13px}
  .float-cta span{white-space:normal;line-height:1.4}
}

/* roulang page: category1 */
:root{
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --ink:#0E1512;
  --ink-2:#1C2620;
  --brand:#1F7A57;
  --brand-2:#0F5A3E;
  --accent:#D9F35C;
  --warn:#FF6B3D;
  --muted:#6B7A72;
  --line:#E3DED4;
  --radius-sm:4px;
  --radius-md:10px;
  --radius-lg:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(14,21,18,.06);
  --shadow-2:0 8px 24px rgba(14,21,18,.08);
  --space-1:16px;
  --space-2:20px;
  --space-3:24px;
  --space-4:40px;
  --space-5:64px;
  --space-6:96px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Space Grotesk",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:900;letter-spacing:-.02em;line-height:1.25;color:var(--ink);}
h1{font-size:clamp(2.2rem,5.6vw,4.2rem);line-height:1.15;}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem);}
h3{font-size:clamp(1.15rem,2vw,1.5rem);}
p{margin:0 0 1.2em;}
ul,ol{margin:0 0 1.2em;padding-left:1.3em;}
li{margin-bottom:.5em;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}

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

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 0;
  background:transparent;
  transition:background .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-panel{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:12px 16px;
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;border-radius:var(--radius-md);
  font-weight:900;font-size:19px;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:16px;font-weight:900;letter-spacing:-.01em;}
.brand-text small{font-size:11.5px;color:var(--muted);letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;margin:0;padding:0;list-style:none;}
.nav-chip{
  display:inline-flex;align-items:center;
  padding:9px 14px;
  border-radius:var(--radius-md);
  font-size:14.5px;font-weight:500;
  color:var(--ink-2);
  border:1px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
  white-space:nowrap;
}
.nav-chip:hover{background:var(--paper);color:var(--brand);transform:translateY(-1px);}
.nav-chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);}
.nav-chip.is-active:hover{background:var(--brand-2);color:#fff;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  align-items:center;gap:8px;
  background:var(--paper);
  border:1px solid var(--line);
  color:var(--ink);
  border-radius:var(--radius-md);
  padding:9px 14px;
  font-size:14px;font-weight:600;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.nav-toggle span.bars{display:inline-block;width:16px;height:2px;background:currentColor;position:relative;}
.nav-toggle span.bars::before,.nav-toggle span.bars::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;}
.nav-toggle span.bars::before{top:-5px;}
.nav-toggle span.bars::after{top:5px;}

.mobile-drawer{
  display:none;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:16px;
  margin-top:12px;
  box-shadow:var(--shadow-2);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-links{display:flex;flex-direction:column;gap:8px;margin-bottom:14px;}
.mobile-drawer .drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  color:var(--ink);
  font-weight:600;font-size:15px;
}
.mobile-drawer .drawer-links a.is-active{background:var(--brand);color:#fff;border-color:var(--brand);}
.mobile-drawer .drawer-links a:hover{border-color:var(--brand);color:var(--brand);}
.mobile-drawer .drawer-links a.is-active:hover{color:#fff;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;
  border-radius:var(--radius-md);
  font-size:15px;font-weight:700;
  letter-spacing:.01em;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-2);border-color:var(--brand-2);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-secondary{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-secondary:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(255,255,255,.35);}
.btn-ghost:hover{background:var(--accent);color:var(--ink);border-color:var(--accent);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:var(--radius-md);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;color:var(--brand);
  border-bottom:1px solid var(--brand);
  padding-bottom:2px;
}
.text-link:hover{border-bottom-color:var(--brand-2);color:var(--brand-2);}

/* ============ Page hero ============ */
.page-hero{
  position:relative;
  margin:8px 0 0;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;
  background-position:center;
  border:1px solid var(--line);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(14,21,18,.92) 0%,rgba(14,21,18,.86) 45%,rgba(14,21,18,.62) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:64px 40px 56px;color:#fff;}
.page-hero h1{color:#fff;max-width:18ch;}
.page-hero .hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:16px;
}
.page-hero .hero-kicker::before{content:"";width:26px;height:2px;background:var(--accent);display:inline-block;}
.page-hero .hero-lead{
  max-width:60ch;color:rgba(255,255,255,.86);font-size:16.5px;margin:14px 0 26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.stat-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-md);
  padding:12px 18px;
  min-width:150px;
}
.stat-card .stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:600;color:var(--accent);display:block;line-height:1.1;}
.stat-card .stat-label{font-size:13px;color:rgba(255,255,255,.78);}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);
  padding:18px 0 0;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ============ Sections ============ */
.section{padding:64px 0;}
.section-tight{padding:40px 0;}
.section-dark{background:var(--ink);color:#fff;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-paper2{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:64ch;margin-bottom:32px;}
.eyebrow{
  display:inline-block;
  font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--brand);
  background:rgba(31,122,87,.08);
  border:1px solid rgba(31,122,87,.2);
  border-radius:var(--radius-pill);
  padding:5px 12px;
  margin-bottom:14px;
}
.section-head p{color:var(--muted);margin-bottom:0;}
.section-dark .section-head p{color:rgba(255,255,255,.72);}

/* overview split */
.intro-panel{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  height:100%;
}
.intro-panel h3{margin-top:0;}
.intro-panel .mini-list{list-style:none;padding:0;margin:0;}
.intro-panel .mini-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:12px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);
}
.intro-panel .mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.intro-panel .mini-list li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;margin-top:9px;
  background:var(--accent);border-radius:50%;
}

/* point cards */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.point-card{
  position:relative;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  overflow:hidden;
}
.point-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--accent);opacity:0;transition:opacity .2s ease-out;
}
.point-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-2);}
.point-card:hover::before{opacity:1;}
.point-card .point-index{
  font-family:var(--font-num);
  font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:.08em;display:block;margin-bottom:10px;
}
.point-card h3{font-size:1.15rem;margin-bottom:8px;}
.point-card p{font-size:14.5px;color:var(--muted);margin-bottom:0;line-height:1.75;}

/* checklist double column */
.check-columns{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--paper-2);
}
.check-col{padding:28px;}
.check-col + .check-col{border-left:1px solid var(--line);}
.check-col h3{font-size:1.1rem;display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.check-col h3 .tag{
  font-size:11.5px;font-weight:700;letter-spacing:.06em;
  background:var(--accent);color:var(--ink);
  border-radius:var(--radius-pill);padding:3px 10px;
}
.check-list{list-style:none;padding:0;margin:0;}
.check-list li{
  position:relative;
  padding:11px 0 11px 26px;
  border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--ink-2);
}
.check-list li:last-child{border-bottom:0;}
.check-list li::before{
  content:"";position:absolute;left:0;top:19px;
  width:12px;height:7px;
  border-left:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.check-list.is-alert li::before{
  border:0;width:12px;height:12px;top:16px;
  background:var(--warn);
  transform:rotate(45deg);
  border-radius:2px;
}

/* device grid */
.device-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.device-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.device-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-2);}
.device-card .device-icon{
  width:40px;height:40px;border-radius:var(--radius-md);
  background:rgba(31,122,87,.1);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:15px;margin-bottom:14px;
  font-family:var(--font-num);
}
.device-card h3{font-size:1.02rem;margin-bottom:6px;}
.device-card p{font-size:14px;color:var(--muted);margin-bottom:0;line-height:1.7;}

/* media feature block */
.media-block{
  display:grid;grid-template-columns:1fr 1.05fr;
  gap:40px;align-items:center;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
}
.media-figure{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--paper);
}
.media-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.media-figure figcaption{font-size:12.5px;color:var(--muted);padding:10px 14px;border-top:1px solid var(--line);}
.media-body h3{margin-top:0;}
.media-body .step-line{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line);
}
.media-body .step-line:last-child{border-bottom:0;padding-bottom:0;}
.media-body .step-num{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  background:var(--brand);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:13px;font-weight:600;
}
.media-body .step-line b{display:block;font-size:15px;margin-bottom:2px;}
.media-body .step-line span{font-size:14px;color:var(--muted);line-height:1.7;}

/* FAQ */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;
  padding:20px 4px;
  text-align:left;
  font-size:16.5px;font-weight:700;color:var(--ink);
  cursor:pointer;
  transition:color .2s ease-out;
}
.faq-q:hover{color:var(--brand);}
.faq-q .faq-icon{
  flex:0 0 22px;width:22px;height:22px;position:relative;
  border:1px solid var(--line);border-radius:50%;
  transition:transform .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.faq-q .faq-icon::before,.faq-q .faq-icon::after{
  content:"";position:absolute;background:var(--brand);
  transition:background .22s ease-out;
}
.faq-q .faq-icon::before{left:5px;right:5px;top:50%;height:1.5px;transform:translateY(-50%);}
.faq-q .faq-icon::after{top:5px;bottom:5px;left:50%;width:1.5px;transform:translateX(-50%);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff;}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.faq-a p{
  max-width:72ch;padding:0 4px 22px;margin:0;
  color:var(--muted);font-size:15px;line-height:1.9;
}

/* CTA band */
.cta-band{
  background:var(--ink);
  border-radius:var(--radius-lg);
  padding:44px;
  color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  background:radial-gradient(circle,rgba(217,243,92,.22),transparent 70%);
}
.cta-band h2{color:#fff;margin-bottom:8px;position:relative;}
.cta-band p{color:rgba(255,255,255,.74);margin-bottom:0;max-width:52ch;position:relative;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;}

/* Footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);margin-top:64px;padding:56px 0 24px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;
  padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;letter-spacing:.01em;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--accent);color:var(--ink);}
.footer-brand b{color:#fff;font-size:16px;font-weight:900;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-bottom:0;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{color:rgba(255,255,255,.78);font-size:14px;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.55);
}

/* Floating CTA */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:flex;align-items:center;gap:12px;
  background:var(--ink);color:#fff;
  border-radius:var(--radius-pill);
  padding:10px 12px 10px 20px;
  box-shadow:var(--shadow-2);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .22s ease-out,transform .22s ease-out;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta .float-text{font-size:14px;font-weight:600;white-space:nowrap;}
.float-cta .btn{padding:9px 16px;font-size:14px;border-radius:var(--radius-pill);}
.float-cta .float-close{
  background:transparent;border:0;color:rgba(255,255,255,.6);
  font-size:18px;line-height:1;cursor:pointer;padding:4px 6px;
}
.float-cta .float-close:hover{color:var(--accent);}

/* ============ Responsive ============ */
@media (max-width:1180px){
  .nav-chip{padding:8px 11px;font-size:13.5px;}
  .brand-text small{display:none;}
}
@media (max-width:1024px){
  .section{padding:48px 0;}
  .page-hero-inner{padding:48px 28px 42px;}
  .point-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .device-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .media-block{grid-template-columns:1fr;gap:26px;padding:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .check-columns{grid-template-columns:1fr;}
  .check-col + .check-col{border-left:0;border-top:1px solid var(--line);}
  .cta-band{padding:32px 24px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .hero-stats{width:100%;}
  .stat-card{flex:1 1 100%;}
  .float-cta{
    left:16px;right:16px;bottom:16px;justify-content:space-between;
    padding:10px 12px 10px 18px;
  }
}
@media (max-width:520px){
  .point-grid{grid-template-columns:1fr;}
  .device-grid{grid-template-columns:1fr;}
  .page-hero-inner{padding:36px 20px 34px;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .intro-panel{padding:22px;}
  .media-body .step-line{flex-direction:row;}
  .float-cta .float-text{font-size:13px;}
  .float-cta .btn{padding:8px 12px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
/* ===================== 设计变量 ===================== */
:root{
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --ink:#0E1512;
  --ink-2:#1C2620;
  --brand:#1F7A57;
  --brand-2:#0F5A3E;
  --accent:#D9F35C;
  --warn:#FF6B3D;
  --muted:#6B7A72;
  --line:#E3DED4;
  --radius-xs:4px;
  --radius-sm:10px;
  --radius-md:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(14,21,18,.06);
  --shadow-2:0 8px 24px rgba(14,21,18,.08);
  --ease:200ms ease-out;
  --container:1200px;
  --font-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Space Grotesk","Inter",system-ui,-apple-system,sans-serif;
}

/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease)}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4,h5{margin:0 0 .55em;font-weight:800;letter-spacing:-.015em;line-height:1.25;color:var(--ink)}
h1{font-size:clamp(2.2rem,5.6vw,4.2rem);line-height:1.15;font-weight:900}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:clamp(1.15rem,2vw,1.5rem)}
h4{font-size:1rem}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.15em}
li{margin-bottom:.4em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--radius-xs)}
::selection{background:var(--accent);color:var(--ink)}

/* ===================== 布局容器与栅格兜底 ===================== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.grid-x{display:flex;flex-wrap:wrap}
.grid-x>.cell{flex:0 0 auto;width:100%;min-width:0}
@media (min-width:640px){
  .grid-x>.medium-4{width:33.3333%}
  .grid-x>.medium-6{width:50%}
}
@media (min-width:1024px){
  .grid-x>.large-4{width:33.3333%}
  .grid-x>.large-5{width:41.6667%}
  .grid-x>.large-6{width:50%}
  .grid-x>.large-7{width:58.3333%}
  .grid-x>.large-8{width:66.6667%}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .section-sm{padding:48px 0}
}
@media (max-width:640px){
  .section{padding:52px 0}
  .section-sm{padding:36px 0}
}

/* ===================== 头部与卡片化导航面板 ===================== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:14px 0;
  transition:background-color var(--ease),box-shadow var(--ease),padding var(--ease);
}
.site-header.is-stuck{
  padding:8px 0;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(10px);
  box-shadow:0 1px 0 var(--line);
}
.nav-panel{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:12px 16px;
  box-shadow:var(--shadow-1);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  font-size:1.02rem;
  color:var(--ink);
  letter-spacing:-.02em;
  white-space:nowrap;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:var(--radius-sm);
  background:var(--brand);
  color:#fff;
  font-size:.95rem;
  font-weight:900;
  flex:0 0 auto;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  flex-wrap:wrap;
}
.nav-chip{
  display:inline-block;
  padding:8px 14px;
  border-radius:var(--radius-sm);
  font-size:.93rem;
  font-weight:600;
  color:var(--ink-2);
  border:1px solid transparent;
  white-space:nowrap;
}
.nav-chip:hover{background:var(--paper);color:var(--brand);border-color:var(--line)}
.nav-chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand)}
.nav-chip.is-active:hover{background:var(--brand-2);color:#fff}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  margin-left:auto;
  padding:9px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--paper);
  color:var(--ink);
  font-size:.9rem;
  font-weight:700;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

@media (max-width:1024px){
  .nav-chip{padding:7px 10px;font-size:.88rem}
}
@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-links{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    margin-left:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:12px;
    background:var(--paper-2);
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    box-shadow:var(--shadow-2);
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-chip{padding:12px 14px;font-size:.95rem}
}
@media (max-width:520px){
  .brand-text{font-size:.94rem}
  .brand-mark{width:30px;height:30px;font-size:.85rem}
}

/* ===================== 按钮体系 ===================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:.95rem;
  font-weight:700;
  line-height:1.4;
  cursor:pointer;
  text-align:center;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-2);border-color:var(--brand-2);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:var(--accent);border-color:var(--accent);color:var(--ink);transform:translateY(-1px)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}

/* ===================== 页头横幅 ===================== */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 76px;
  background-color:var(--ink);
  background-image:
    linear-gradient(100deg,rgba(14,21,18,.95) 0%,rgba(14,21,18,.82) 46%,rgba(14,21,18,.48) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center right;
  color:#fff;
  border-radius:0 0 24px 24px;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:3px;
  background:linear-gradient(90deg,var(--accent),rgba(217,243,92,0));
}
.page-hero h1{color:#fff;max-width:16ch}
.page-hero p{color:rgba(255,255,255,.84)}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-size:.84rem;
  color:rgba(255,255,255,.66);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb em{font-style:normal;color:rgba(255,255,255,.6)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:18px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:rgba(217,243,92,.14);
  border:1px solid rgba(217,243,92,.36);
  color:var(--accent);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.06em;
}
.hero-lead{max-width:64ch;font-size:1.06rem;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-rule{width:44px;height:3px;background:var(--accent);border-radius:2px;margin:0 0 22px}

/* ===================== 板块标题 ===================== */
.section-head{max-width:780px;margin-bottom:44px}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-block;
  margin-bottom:14px;
  padding:5px 13px;
  border:1px solid var(--brand);
  border-radius:var(--radius-pill);
  color:var(--brand);
  font-size:.76rem;
  font-weight:800;
  letter-spacing:.08em;
}
.section-head h2{margin-bottom:.45em}
.section-head p{color:var(--muted);margin-bottom:0;font-size:1.02rem}

/* ===================== 数据卡 ===================== */
.stat-card{
  position:relative;
  height:100%;
  margin-bottom:24px;
  padding:26px 24px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.stat-card::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:100%;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.stat-card:hover{border-color:var(--brand);box-shadow:var(--shadow-2);transform:translateY(-3px)}
.stat-card:hover::before{transform:scaleX(1)}
.stat-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:2.3rem;
  font-weight:800;
  line-height:1;
  color:var(--brand);
  margin-bottom:12px;
}
.stat-num small{font-size:.95rem;font-weight:700;margin-left:4px;color:var(--muted)}
.stat-card h3{font-size:1.06rem;margin-bottom:6px}
.stat-card p{margin:0;color:var(--muted);font-size:.94rem;line-height:1.75}

/* ===================== 流程时间轴 ===================== */
.timeline{list-style:none;margin:0;padding:0;position:relative}
.timeline::before{
  content:"";
  position:absolute;
  left:27px;
  top:16px;
  bottom:26px;
  border-left:2px dashed var(--line);
}
.tl-item{position:relative;padding:0 0 34px 84px;margin:0}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;
  left:0;
  top:0;
  width:56px;
  height:56px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--brand);
  color:var(--accent);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:1.05rem;
  font-weight:800;
  box-shadow:0 0 0 6px var(--paper);
}
.tl-body{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px 26px;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.tl-body:hover{border-color:var(--brand);box-shadow:var(--shadow-2);transform:translateY(-3px)}
.tl-body h3{margin-bottom:.4em;font-size:1.22rem}
.tl-body p{color:var(--muted);margin-bottom:14px}
.tl-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.tl-list li{
  position:relative;
  padding-left:24px;
  margin:0;
  font-size:.95rem;
  color:var(--ink-2);
}
.tl-list li::before{
  content:"";
  position:absolute;
  left:4px;
  top:.68em;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--accent);
  border:1px solid var(--brand);
}

/* ===================== 注意事项卡 ===================== */
.caution-card{
  height:100%;
  margin-bottom:24px;
  padding:26px 26px 22px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.caution-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.caution-card .badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:var(--radius-pill);
  font-size:.75rem;
  font-weight:800;
  margin-bottom:14px;
}
.caution-card.is-bad{border-left:3px solid var(--warn)}
.caution-card.is-bad .badge{background:rgba(255,107,61,.12);color:#C9420F}
.caution-card.is-good{border-left:3px solid var(--brand)}
.caution-card.is-good .badge{background:rgba(31,122,87,.12);color:var(--brand-2)}
.caution-card h3{font-size:1.16rem}
.caution-card ul{list-style:none;padding:0;margin:0}
.caution-card li{
  position:relative;
  padding:10px 0 10px 26px;
  margin:0;
  border-top:1px solid var(--line);
  font-size:.96rem;
  color:var(--ink-2);
}
.caution-card li:first-child{border-top:0}
.caution-card li::before{
  position:absolute;
  left:0;
  top:10px;
  font-size:.86rem;
}
.caution-card.is-good li::before{content:"\2713";color:var(--brand);font-weight:800}
.caution-card.is-bad li::before{content:"\2715";color:var(--warn);font-weight:800}

/* ===================== 提示条 ===================== */
.notice-bar{
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:20px 24px;
  border-radius:var(--radius-md);
  background:var(--ink);
  color:#fff;
}
.notice-bar i{color:var(--accent);font-size:1.2rem;line-height:1.6}
.notice-bar p{margin:0;color:rgba(255,255,255,.86);font-size:.97rem}

/* ===================== 场景卡 ===================== */
.scene-card{
  height:100%;
  margin-bottom:24px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.scene-card:hover{border-color:var(--brand);box-shadow:var(--shadow-2);transform:translateY(-3px)}
.scene-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--line)}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out}
.scene-card:hover .scene-thumb img{transform:scale(1.04)}
.scene-thumb .thumb-tag{
  position:absolute;
  left:14px;
  bottom:14px;
  padding:4px 11px;
  border-radius:var(--radius-pill);
  background:var(--accent);
  color:var(--ink);
  font-size:.74rem;
  font-weight:800;
}
.scene-body{padding:22px 24px 24px}
.scene-body h3{font-size:1.12rem;margin-bottom:.5em}
.scene-body p{margin:0;color:var(--muted);font-size:.94rem}

/* ===================== FAQ 手风琴 ===================== */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:64px;
  padding:16px 4px;
  background:none;
  border:0;
  text-align:left;
  font-size:1.02rem;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q .faq-icon{
  position:relative;
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  transition:transform var(--ease),border-color var(--ease),background-color var(--ease);
}
.faq-q .faq-icon::before,
.faq-q .faq-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--brand);
  transform:translate(-50%,-50%);
  border-radius:2px;
}
.faq-q .faq-icon::before{width:11px;height:2px}
.faq-q .faq-icon::after{width:2px;height:11px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--brand);background:rgba(31,122,87,.08)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease-out;
}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{
  margin:0;
  padding:0 4px 22px;
  max-width:72ch;
  color:var(--muted);
  font-size:.98rem;
  line-height:1.9;
}

/* ===================== CTA 条 ===================== */
.cta-band{
  background:var(--ink-2);
  border-radius:24px;
  padding:56px 48px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(217,243,92,.22),transparent 70%);
}
.cta-inner{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-inner h2{color:#fff;margin-bottom:.35em}
.cta-inner p{color:rgba(255,255,255,.78);margin:0;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===================== 页脚 ===================== */
.site-footer{
  margin-top:96px;
  background:var(--ink);
  color:rgba(255,255,255,.82);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
  font-size:1.05rem;
  color:#fff;
}
.footer-brand .brand-mark{background:var(--brand);color:#fff}
.site-footer p{color:rgba(255,255,255,.66);font-size:.94rem;line-height:1.8;margin:0}
.site-footer h4{
  color:#fff;
  font-size:.95rem;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,
.footer-links span{color:rgba(255,255,255,.68);font-size:.93rem}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:.85rem;
  color:rgba(255,255,255,.52);
}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:52px 0 24px;margin-top:64px}
  .cta-band{padding:40px 26px;border-radius:18px}
  .page-hero{padding:40px 0 56px;border-radius:0 0 18px 18px}
  .tl-item{padding-left:0;padding-top:66px}
  .timeline::before{left:27px;top:16px;bottom:26px}
  .tl-num{top:0}
  .tl-body{padding:20px 20px}
}

/* ===================== 入场动效 ===================== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 240ms ease-out,transform 240ms ease-out}
.reveal.is-in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --ink:#0E1512;
  --ink-2:#1C2620;
  --brand:#1F7A57;
  --brand-2:#0F5A3E;
  --accent:#D9F35C;
  --warn:#FF6B3D;
  --muted:#6B7A72;
  --line:#E3DED4;
  --radius-sm:4px;
  --radius-md:10px;
  --radius-lg:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(14,21,18,.06);
  --shadow-2:0 8px 24px rgba(14,21,18,.08);
  --space-xl:96px;
  --space-lg:64px;
  --space-md:40px;
  --maxw:1200px;
  --ease:200ms ease-out;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","Inter",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  font-weight:400;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
  color:var(--ink);
}
h1{font-size:clamp(2.2rem,5.6vw,4.2rem);line-height:1.15;font-weight:900;letter-spacing:-.02em;}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem);}
h3{font-size:clamp(1.15rem,2vw,1.5rem);}
h4{font-size:1.05rem;font-weight:700;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-2);}
img{max-width:100%;height:auto;display:block;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:3px solid rgba(31,122,87,.4);outline-offset:2px;border-radius:var(--radius-sm);}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
}
.section{padding:var(--space-lg) 0;}
.section-head{max-width:760px;margin:0 auto 36px;text-align:center;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.section-eyebrow{
  display:inline-block;
  margin-bottom:14px;
  padding:5px 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--paper-2);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn i{font-size:13px;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-2);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{background:#e6ff77;color:var(--ink);transform:translateY(-1px);}
.btn-ghost-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-1px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);color:var(--accent);transform:translateY(-1px);}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:12px 0;
  background:var(--paper);
  transition:box-shadow var(--ease),border-color var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(14,21,18,.05);
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(8px);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 14px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:var(--radius-md);
  background:var(--brand);
  color:#fff;
  font-size:19px;font-weight:900;
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);}
.nav-links{display:flex;flex-wrap:wrap;gap:6px;margin-left:auto;}
.nav-chip{
  padding:8px 14px;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.nav-chip:hover{background:var(--paper);border-color:var(--line);color:var(--brand);}
.nav-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700;}
.nav-chip.is-active:hover{background:var(--brand-2);border-color:var(--brand-2);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:var(--paper);
  color:var(--ink);
  transition:background var(--ease),color var(--ease);
}
.nav-toggle:hover{background:var(--brand);color:#fff;border-color:var(--brand);}
.nav-drawer{
  display:none;
  margin-top:10px;
  padding:12px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;
  padding:12px 14px;
  border-radius:var(--radius-md);
  font-size:15px;
  color:var(--ink-2);
}
.nav-drawer a:hover{background:var(--paper);color:var(--brand);}
.nav-drawer a.is-active{background:var(--brand);color:#fff;font-weight:700;}
.nav-drawer .drawer-cta{margin-top:10px;}

/* ===== 页头横幅 ===== */
.page-banner{padding:28px 0 6px;}
.banner-inner{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  padding:60px 48px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.banner-inner::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(14,21,18,.92) 0%,rgba(14,21,18,.76) 52%,rgba(14,21,18,.42) 100%);
}
.banner-content{position:relative;max-width:780px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:18px;font-size:13px;color:rgba(255,255,255,.68);}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb strong{color:var(--accent);font-weight:700;}
.banner-tag{
  display:inline-block;
  margin-bottom:16px;
  padding:5px 13px;
  border-radius:var(--radius-pill);
  background:rgba(217,243,92,.16);
  border:1px solid rgba(217,243,92,.45);
  color:var(--accent);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}
.banner-inner h1{color:#fff;margin-bottom:20px;max-width:20ch;}
.banner-inner h1::after{
  content:"";
  display:block;
  width:40px;height:4px;
  margin-top:22px;
  border-radius:2px;
  background:var(--accent);
}
.banner-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);max-width:62ch;margin-bottom:28px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== 对比区 ===== */
.compare-card{
  display:grid;
  grid-template-columns:1fr 1px 1fr;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.compare-col{padding:34px 30px 38px;}
.compare-divider{background:var(--line);}
.compare-col h3{margin:16px 0 4px;font-size:clamp(1.15rem,2vw,1.4rem);}
.compare-col .col-note{color:var(--muted);font-size:14px;margin:0;}
.col-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 13px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:700;
}
.col-badge i{font-size:11px;}
.col-badge.plus{background:rgba(31,122,87,.1);border:1px solid rgba(31,122,87,.28);color:var(--brand);}
.col-badge.minus{background:rgba(107,122,114,.1);border:1px solid var(--line);color:var(--muted);}
.check-list,.cross-list{list-style:none;margin-top:22px;display:grid;gap:14px;}
.check-list li,.cross-list li{
  display:flex;
  gap:11px;
  font-size:15px;
  line-height:1.7;
  color:var(--ink-2);
}
.check-list li i,.cross-list li i{
  flex:0 0 auto;
  width:20px;height:20px;
  margin-top:4px;
  display:grid;place-items:center;
  border-radius:50%;
  font-size:10px;
}
.check-list li i{background:rgba(31,122,87,.12);color:var(--brand);}
.cross-list li i{background:rgba(107,122,114,.13);color:var(--muted);}

/* ===== 结论卡 ===== */
.conclusion{
  margin-top:32px;
  padding:30px 32px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-left:4px solid var(--accent);
  border-radius:var(--radius-lg);
}
.conclusion h3{margin-bottom:10px;}
.conclusion > p{color:var(--muted);max-width:70ch;}
.conclusion-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px;}
.conclusion-item{
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:var(--paper);
}
.conclusion-item span{
  display:block;
  font-family:"Inter",sans-serif;
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  margin-bottom:8px;
  letter-spacing:.06em;
}
.conclusion-item p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ===== 功能模块卡 ===== */
.module-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.module-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.module-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--line);}
.module-card .thumb img{width:100%;height:100%;object-fit:cover;}
.module-card .thumb .tag{
  position:absolute;
  left:12px;bottom:12px;
  padding:4px 11px;
  border-radius:var(--radius-pill);
  background:rgba(14,21,18,.78);
  color:var(--accent);
  font-size:12px;
  font-weight:700;
}
.module-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.module-card h3{font-size:1.1rem;margin-bottom:10px;}
.module-card p{font-size:14.5px;color:var(--muted);margin:0;}

/* ===== 数据条 ===== */
.stats-panel{
  background:var(--ink);
  border-radius:var(--radius-lg);
  padding:44px 34px;
  color:#fff;
}
.stats-panel .stat{padding:6px 4px;}
.stat-num{
  font-family:"Inter",sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:clamp(1.9rem,4vw,2.6rem);
  font-weight:700;
  line-height:1;
  color:var(--accent);
  letter-spacing:-.02em;
}
.stat-unit{display:inline-block;margin-left:6px;font-size:13px;color:rgba(255,255,255,.7);}
.stats-panel .stat p{margin:12px 0 0;font-size:14px;line-height:1.7;color:rgba(255,255,255,.74);}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  min-height:62px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 4px;
  text-align:left;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q .faq-icon{
  flex:0 0 auto;
  width:30px;height:30px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--brand);
  font-size:12px;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out;}
.faq-a p{
  max-width:72ch;
  padding:0 46px 22px 4px;
  margin:0;
  color:var(--muted);
  line-height:1.9;
}

/* ===== CTA 条 ===== */
.cta-band{
  position:relative;
  overflow:hidden;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  padding:46px 42px;
  border-radius:var(--radius-lg);
  background:var(--brand);
  color:#fff;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:rgba(217,243,92,.16);
}
.cta-band h2{color:#fff;margin-bottom:10px;position:relative;}
.cta-band p{position:relative;margin:0;color:rgba(255,255,255,.86);max-width:58ch;font-size:15.5px;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:var(--space-lg);
  background:var(--ink);
  color:rgba(255,255,255,.78);
  padding:60px 0 26px;
  font-size:14.5px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;}
.footer-brand .brand-mark{width:34px;height:34px;font-size:17px;background:var(--accent);color:var(--ink);}
.footer-brand b{font-size:16px;font-weight:800;color:#fff;}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.04em;}
.site-footer p{color:rgba(255,255,255,.68);font-size:14px;line-height:1.8;margin:0;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a,.footer-links span{color:rgba(255,255,255,.72);font-size:14px;transition:color var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:42px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:70;
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 10px 10px 20px;
  border-radius:var(--radius-pill);
  background:var(--ink);
  color:#fff;
  box-shadow:var(--shadow-2);
  opacity:0;
  transform:translateY(14px);
  pointer-events:none;
  transition:opacity 220ms ease-out,transform 220ms ease-out;
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto;}
.float-cta span{font-size:14px;font-weight:700;color:#fff;}
.float-cta .btn{padding:8px 16px;font-size:13.5px;}
.float-close{
  width:28px;height:28px;
  display:grid;place-items:center;
  border-radius:50%;
  color:rgba(255,255,255,.6);
  font-size:12px;
  transition:background var(--ease),color var(--ease);
}
.float-close:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ===== 滚动淡入 ===== */
html.js .reveal{opacity:0;transform:translateY(12px);}
html.js .reveal.is-in{opacity:1;transform:none;transition:opacity 260ms ease-out,transform 260ms ease-out;}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .conclusion-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .compare-card{grid-template-columns:1fr;}
  .compare-divider{height:1px;width:100%;}
  .compare-col{padding:28px 24px 32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:44px 0;}
  .page-banner{padding:18px 0 4px;}
  .banner-inner{padding:40px 24px;}
  .banner-inner h1{max-width:none;}
  .banner-lead{font-size:15.5px;}
  .stats-panel{padding:32px 22px;}
  .cta-band{padding:34px 24px;}
  .site-footer{padding:46px 0 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .conclusion{padding:24px 22px;}
}
@media (max-width:640px){
  .nav-actions .btn-primary{display:none;}
  .brand-text em{display:none;}
  .banner-actions .btn{width:100%;}
  .conclusion-grid{grid-template-columns:1fr;}
  .float-cta{left:16px;right:16px;bottom:16px;justify-content:space-between;padding:8px 8px 8px 16px;}
  .float-cta span{font-size:13px;}
}
@media (max-width:520px){
  .brand-text b{font-size:14.5px;}
  .nav-panel{padding:8px 10px;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
  html.js .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --ink:#0E1512;
  --ink-2:#1C2620;
  --brand:#1F7A57;
  --brand-2:#0F5A3E;
  --accent:#D9F35C;
  --warn:#FF6B3D;
  --muted:#6B7A72;
  --line:#E3DED4;
  --radius-sm:4px;
  --radius-md:10px;
  --radius-lg:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(14,21,18,.06);
  --shadow-2:0 8px 24px rgba(14,21,18,.08);
  --space-1:16px;
  --space-2:20px;
  --space-3:24px;
  --section-lg:96px;
  --section-md:64px;
  --section-sm:40px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;letter-spacing:-.015em;color:var(--ink);line-height:1.25;}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem);line-height:1.15;font-weight:900;}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);}
h3{font-size:clamp(1.15rem,2vw,1.45rem);}
p{margin:0 0 1.2em;}
ul,ol{margin:0 0 1.2em;padding-left:1.25em;}
li{margin-bottom:.5em;}
button,input,select,textarea{font-family:inherit;font-size:1rem;}
:focus-visible{outline:3px solid rgba(31,122,87,.45);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:var(--section-lg) 0;}
.section-md{padding:var(--section-md) 0;}
.section-sm{padding:var(--section-sm) 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head p{color:var(--muted);margin-bottom:0;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px 0;
  background:rgba(247,245,240,.86);
  backdrop-filter:blur(10px);
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(14,21,18,.05);}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:12px 16px;
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--ink);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1.1rem;letter-spacing:.02em;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:1.02rem;font-weight:900;letter-spacing:-.01em;}
.brand-text i{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;flex-wrap:wrap;}
.nav-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:var(--radius-md);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  border:1px solid transparent;background:transparent;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.nav-chip:hover{background:#F1EFE8;color:var(--brand);}
.nav-chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);}
.nav-chip.is-active:hover{background:var(--brand-2);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-md);
  border:1px solid var(--line);background:var(--paper-2);color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.nav-drawer{display:none;}
.nav-drawer .nav-chip{display:flex;width:100%;padding:14px 16px;font-size:15.5px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 22px;border-radius:var(--radius-md);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-2);border-color:var(--brand-2);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(15,90,62,.18);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-ink{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-ink:hover{background:var(--ink-2);color:var(--accent);transform:translateY(-1px);}
.btn-sm{padding:10px 16px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14.5px;
  border-bottom:1px solid currentColor;padding-bottom:2px;
}
.link-arrow:hover{gap:10px;}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;color:#fff;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(105deg,rgba(14,21,18,.94) 0%,rgba(14,21,18,.78) 48%,rgba(15,90,62,.62) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.banner-inner{padding:78px 0 64px;position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span.sep{opacity:.5;}
.page-banner h1{color:#fff;max-width:20ch;}
.banner-sub{max-width:64ch;color:rgba(255,255,255,.82);font-size:17px;line-height:1.85;margin:18px 0 0;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#fff;
}
.tag i{color:var(--accent);}
.banner-metrics{display:flex;flex-wrap:wrap;gap:36px;margin-top:36px;}
.banner-metrics .metric b{display:block;font-size:1.7rem;font-weight:900;font-variant-numeric:tabular-nums;color:var(--accent);line-height:1.2;}
.banner-metrics .metric span{font-size:13px;color:rgba(255,255,255,.7);}

/* ---------- Quick strip ---------- */
.quick-strip{background:var(--paper-2);border-bottom:1px solid var(--line);}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:34px 0;}
.quick-item{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);}
.quick-item i{color:var(--brand);font-size:1.2rem;margin-top:4px;}
.quick-item b{display:block;font-size:15.5px;margin-bottom:4px;}
.quick-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- Assist layout ---------- */
.assist-layout{padding:var(--section-lg) 0;}
.panel-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(22px,3vw,32px);box-shadow:var(--shadow-1);
}
.panel-title{display:flex;align-items:center;gap:12px;margin-bottom:6px;}
.panel-title i{color:var(--brand);}
.panel-intro{color:var(--muted);font-size:15px;margin-bottom:26px;}

/* FAQ accordion */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:60px;padding:16px 4px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;
  transition:color .2s ease-out;
}
.faq-q:hover{color:var(--brand);}
.faq-q .mark{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:transform .22s ease-out,background-color .22s ease-out,color .22s ease-out,border-color .22s ease-out;
}
.faq-q[aria-expanded="true"]{color:var(--brand-2);}
.faq-q[aria-expanded="true"] .mark{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out;}
.faq-a-inner{max-width:72ch;padding:2px 0 22px;color:var(--ink-2);font-size:15.5px;line-height:1.9;}
.faq-a-inner p:last-child{margin-bottom:0;}

/* Form card */
.assist-form-card{
  background:var(--ink);color:#fff;border-radius:var(--radius-lg);
  padding:clamp(22px,3vw,32px);position:sticky;top:104px;
  border:1px solid var(--ink-2);
}
.assist-form-card h2{color:#fff;font-size:1.45rem;margin-bottom:8px;}
.assist-form-card .lead{color:rgba(255,255,255,.7);font-size:14.5px;line-height:1.8;margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:rgba(255,255,255,.86);margin-bottom:8px;}
.req{color:var(--warn);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  background:rgba(255,255,255,.06);color:#fff;
  border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-sm);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23D9F35C' d='M8 11 3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:12px;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.42);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,243,92,.22);
  background:rgba(255,255,255,.1);
}
.field-error{display:none;margin-top:7px;font-size:13px;color:var(--warn);}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--warn);}
.field.has-error .field-error{display:block;}
.form-note{font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7;margin:14px 0 0;}
.form-success{
  display:none;margin-top:18px;padding:14px 16px;border-radius:var(--radius-md);
  background:rgba(217,243,92,.12);border:1px solid rgba(217,243,92,.45);
  color:var(--accent);font-size:14px;line-height:1.7;
}
.form-success.is-visible{display:block;}

/* ---------- Resource cards ---------- */
.resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.res-card{
  display:flex;gap:20px;align-items:stretch;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.res-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.res-cover{flex:0 0 168px;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);}
.res-cover img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;}
.res-body{flex:1 1 auto;display:flex;flex-direction:column;}
.res-body .badge{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--brand);
  border:1px solid var(--brand);border-radius:var(--radius-pill);padding:3px 11px;margin-bottom:10px;
}
.res-body h3{font-size:1.12rem;margin-bottom:8px;}
.res-body p{font-size:14.5px;color:var(--muted);margin-bottom:14px;}
.res-body .link-arrow{margin-top:auto;font-size:14px;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink-2);color:#fff;border-radius:var(--radius-lg);
  padding:clamp(28px,4vw,48px);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  border:1px solid #24312a;
}
.cta-band h2{color:#fff;margin-bottom:10px;font-size:clamp(1.4rem,2.6vw,1.9rem);}
.cta-band p{color:rgba(255,255,255,.72);margin:0;max-width:60ch;font-size:15.5px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.74);padding:72px 0 28px;margin-top:var(--section-lg);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--brand);color:#fff;}
.footer-brand b{color:#fff;font-size:1.05rem;font-weight:900;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:0;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a,.footer-links span{font-size:14px;color:rgba(255,255,255,.74);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:12px;
  background:var(--ink);color:#fff;border-radius:var(--radius-pill);
  padding:10px 12px 10px 20px;box-shadow:0 12px 30px rgba(14,21,18,.24);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .24s ease-out,transform .24s ease-out;
  border:1px solid #24312a;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta span{font-size:14px;font-weight:600;color:rgba(255,255,255,.9);}
.float-cta .btn{padding:9px 16px;font-size:13.5px;border-radius:var(--radius-pill);}
.float-cta .close{
  width:30px;height:30px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  background:transparent;color:rgba(255,255,255,.7);cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.float-cta .close:hover{color:var(--accent);border-color:var(--accent);}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  :root{--section-lg:72px;--section-md:52px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-panel{justify-content:space-between;}
  .nav-drawer{display:none;}
  .nav-drawer.is-open{
    display:flex;flex-direction:column;gap:8px;margin-top:12px;
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:14px;box-shadow:var(--shadow-2);
  }
  .assist-form-card{position:static;margin-top:28px;}
  .resource-grid{grid-template-columns:1fr;}
  .quick-grid{grid-template-columns:1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--section-lg:56px;--section-md:44px;}
  body{font-size:16px;}
  .banner-inner{padding:56px 0 48px;}
  .page-banner h1{max-width:none;}
  .banner-metrics{gap:26px;margin-top:28px;}
  .res-card{flex-direction:column;}
  .res-cover{flex:0 0 auto;}
  .res-cover img{aspect-ratio:16/9;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .float-cta{right:16px;left:16px;bottom:16px;justify-content:space-between;padding:10px 12px 10px 16px;}
}
@media (max-width:520px){
  .brand-text i{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .btn{width:100%;}
  .float-cta .btn{width:auto;}
  .cta-band .cta-actions{width:100%;}
  .banner-metrics .metric b{font-size:1.4rem;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}