/* roulang page: index */
:root{
  --green:#14563F;
  --green-light:#1E7A57;
  --lime:#D8F24B;
  --orange:#E4552B;
  --ink:#0F1310;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --line:#E4E2DA;
  --text:#3A423D;
  --muted:#6E7A73;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(15,19,16,.05);
  --sh-2:0 8px 24px rgba(15,19,16,.10);
  --ease:cubic-bezier(.2,.6,.2,1);
  --s-1:16px;
  --s-2:24px;
  --s-3:32px;
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-feature-settings:"tnum";
  overflow-x:hidden;
}
a{color:var(--green);text-decoration:none;transition:color .18s var(--ease);}
a:hover,a:focus{color:var(--green-light);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.rl-container{padding-left:32px;padding-right:32px;}
.grid-container.rl-container{max-width:1200px;padding-left:32px;padding-right:32px;}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;z-index:200;border-radius:0 0 8px 0;}
.skip-link:focus{left:0;color:#fff;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:#FDFCF8;
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  box-shadow:var(--sh-1);
}
.topbar{
  height:56px;overflow:hidden;
  border-bottom:1px solid var(--line);
  transition:height .25s var(--ease),opacity .2s var(--ease),border-color .25s var(--ease);
}
.topbar-inner{height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.site-header.is-scrolled .topbar{height:0;opacity:0;border-bottom-color:transparent;}
.brand{display:flex;align-items:baseline;gap:10px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{font-size:22px;font-weight:800;letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.08em;border-left:1px solid var(--line);padding-left:10px;}
.topbar-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--green);
  transition:border-color .18s var(--ease),transform .18s var(--ease),background .18s var(--ease);
}
.icon-btn:hover{border-color:var(--green);transform:translateY(-1px);}
.icon-btn:active{transform:scale(.96);}
.nav-toggle{display:none;}

.channelbar{height:48px;}
.channelbar-inner{height:48px;display:flex;align-items:center;gap:24px;}
.main-nav{display:flex;align-items:center;gap:22px;flex-shrink:0;}
.main-nav a{
  font-size:15px;font-weight:600;color:var(--text);
  padding:12px 0 11px;border-bottom:2px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.main-nav a:hover{color:var(--green);}
.main-nav a.is-active{color:var(--green);border-bottom-color:var(--green);}
.hotwords{display:flex;align-items:center;gap:16px;overflow-x:auto;scrollbar-width:none;flex:1 1 auto;margin-left:8px;}
.hotwords::-webkit-scrollbar{display:none;}
.hotwords a{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.hotwords a:hover{color:var(--ink);}
.hotwords .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block;flex-shrink:0;}
.search-group{
  display:flex;align-items:center;gap:6px;height:34px;flex-shrink:0;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;padding:0 4px 0 14px;
  transition:border-color .18s var(--ease);
}
.search-group:focus-within{border-color:var(--green);box-shadow:0 0 0 2px rgba(216,242,75,.7);}
.search-group input{
  border:none;background:transparent;font-size:13px;width:180px;height:30px;color:var(--text);margin:0;
}
.search-group input::placeholder{color:#9AA39D;}
.search-group input:focus{outline:none;}
.search-group button{
  width:26px;height:26px;border-radius:50%;border:none;background:var(--green);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.search-group button:hover{background:var(--green-light);}

/* drawer */
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:120;
  transform:translateX(-102%);transition:transform .28s var(--ease);
  padding:20px 22px 32px;overflow-y:auto;box-shadow:var(--sh-2);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .brand-mark{font-size:19px;}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:16px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line);}
.drawer-nav a.is-active{color:var(--green);}
.drawer-hot{margin-top:24px;}
.drawer-hot h4{font-size:13px;color:var(--muted);font-weight:700;letter-spacing:.08em;margin-bottom:10px;}
.drawer-hot a{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text);margin:0 14px 10px 0;}
.drawer-cta{margin-top:22px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,19,16,.45);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;border:1px solid transparent;line-height:1;
  transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn:active{transform:scale(.98);box-shadow:none;}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#CBEA3C;color:var(--ink);}
.btn-outline{background:#fff;color:var(--green);border-color:var(--green);}
.btn-outline:hover{background:#F1F6F3;color:var(--green);}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{background:#1B211C;color:#fff;}
.btn-sm{height:36px;padding:0 16px;font-size:13px;border-radius:8px;}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--green);}
.text-link svg{transition:transform .18s var(--ease);}
.text-link:hover svg{transform:translateX(3px);}

/* ---------- hero ---------- */
.hero{padding:72px 0 80px;border-bottom:1px solid var(--line);}
.hero-title{
  font-size:46px;line-height:1.16;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  margin:20px 0 18px;max-width:15em;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--lime);color:var(--ink);
  font-size:13px;font-weight:700;border-radius:var(--r-pill);padding:7px 16px;
}
.hero-badge .sep{width:1px;height:12px;background:rgba(15,19,16,.28);display:inline-block;}
.hero-sub{font-size:17px;color:var(--muted);max-width:26em;margin:0;}
.hero-actions{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:28px;margin-top:36px;flex-wrap:wrap;}
.hero-stats .stat{display:flex;flex-direction:column;gap:2px;padding-right:28px;border-right:1px solid var(--line);}
.hero-stats .stat:last-child{border-right:none;padding-right:0;}
.hero-stats b{font-size:40px;font-weight:900;color:var(--ink);line-height:1.08;}
.hero-stats span{font-size:13px;color:var(--muted);}
.hero-note{font-size:12px;color:var(--muted);margin:22px 0 0;line-height:1.7;}
.hero-media{position:relative;border-radius:var(--r-card);overflow:visible;}
.hero-media-frame{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3;background:#EDEBE3;}
.hero-media-frame img{width:100%;height:100%;object-fit:cover;}
.hero-media-frame::after{content:"";position:absolute;inset:0;background:rgba(20,86,63,.18);pointer-events:none;}
.hero-float{
  position:absolute;left:20px;bottom:20px;width:220px;background:#fff;border-radius:12px;
  padding:16px;box-shadow:var(--sh-2);transition:transform .18s var(--ease);
}
.hero-float:hover{transform:translateY(-4px);}
.hero-float .hf-title{font-size:12px;font-weight:700;color:var(--green);letter-spacing:.06em;margin-bottom:10px;}
.hero-float ol{counter-reset:hf;}
.hero-float li{display:flex;gap:8px;font-size:13px;color:var(--text);line-height:1.6;margin-bottom:8px;}
.hero-float li:last-child{margin-bottom:0;}
.hero-float li i{
  font-style:normal;width:18px;height:18px;flex-shrink:0;border-radius:50%;
  background:rgba(20,86,63,.1);color:var(--green);font-size:11px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
}

/* ---------- trust strip ---------- */
.trust-strip{border-bottom:1px solid var(--line);background:#FBFAF5;}
.trust-inner{display:flex;align-items:center;gap:0;flex-wrap:wrap;padding:18px 0;}
.trust-inner a{font-size:13px;color:var(--muted);padding:4px 20px;border-right:1px solid var(--line);}
.trust-inner a:first-child{padding-left:0;}
.trust-inner a:last-child{border-right:none;}
.trust-inner a:hover{color:var(--green);}
.trust-inner a b{color:var(--ink);font-weight:700;margin-right:6px;}

/* ---------- section ---------- */
.section{padding:var(--section) 0;}
.section-alt{background:#FBFAF5;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2,.block-h2{
  position:relative;font-size:32px;line-height:1.28;padding-left:18px;
}
.section-head h2::before,.block-h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:24px;background:var(--green);border-radius:2px;
}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--green);margin-bottom:10px;}
.section-desc{font-size:15px;color:var(--muted);max-width:34em;margin:8px 0 0;}

/* ---------- features ---------- */
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.feature-card:hover{border-color:var(--green);box-shadow:var(--sh-1);}
.feature-main{display:flex;flex-direction:column;height:100%;}
.feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;margin-bottom:22px;background:#EDEBE3;}
.feature-num{font-size:64px;line-height:1;font-weight:900;color:#E4E2DA;}
.feature-card h3{font-size:22px;font-weight:700;margin:12px 0 10px;line-height:1.35;}
.feature-card p{font-size:15px;line-height:1.8;color:var(--muted);margin:0;}
.feature-side{display:flex;flex-direction:column;gap:16px;height:100%;}
.feature-side .feature-card{flex:1;}

/* ---------- steps ---------- */
.step-list{display:flex;flex-direction:column;}
.step{position:relative;display:flex;gap:20px;padding-bottom:32px;}
.step:last-child{padding-bottom:0;}
.step::before{content:"";position:absolute;left:15px;top:34px;bottom:2px;width:1px;background:var(--line);}
.step:last-child::before{display:none;}
.step-num{
  width:32px;height:32px;flex-shrink:0;border-radius:50%;background:#E4E2DA;color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  transition:background .4s var(--ease);
}
.step.is-visible .step-num{background:var(--green);}
.step-body h3{font-size:20px;line-height:1.4;margin-bottom:6px;}
.step-body p{font-size:15px;color:var(--muted);line-height:1.8;margin:0;}
.scene-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);background:#EDEBE3;}
.scene-caption{font-size:13px;color:var(--muted);margin-top:12px;}

/* ---------- latest ---------- */
.post-list{display:flex;flex-direction:column;gap:16px;}
.post-card{
  display:flex;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.post-card:hover{border-color:var(--green);box-shadow:var(--sh-1);}
.post-thumb{flex:0 0 200px;width:200px;aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:#EDEBE3;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{display:flex;flex-direction:column;justify-content:center;min-width:0;}
.badge{
  display:inline-block;align-self:flex-start;font-size:12px;font-weight:700;color:var(--orange);
  background:rgba(228,85,43,.1);border-radius:var(--r-pill);padding:3px 10px;line-height:1.6;
}
.post-title{font-size:18px;font-weight:700;line-height:1.5;margin:8px 0 6px;}
.post-title a{color:var(--ink);}
.post-title a:hover{color:var(--green);}
.post-excerpt{
  font-size:15px;color:var(--muted);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--muted);margin-top:10px;font-weight:400;}
.post-meta .arrow{color:var(--green);font-weight:700;}
.post-meta .arrow::after{content:"›";margin-left:4px;display:inline-block;transition:transform .18s var(--ease);}
.post-card:hover .post-meta .arrow::after{transform:translateX(3px);}
.empty-state{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state svg{color:#C9CFC9;margin-bottom:12px;}
.empty-state strong{display:block;font-size:16px;color:var(--ink);font-weight:700;margin-bottom:6px;}

.side-box{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;margin-bottom:16px;}
.side-box h3{font-size:16px;font-weight:700;margin-bottom:12px;}
.side-nav a{display:flex;align-items:center;justify-content:space-between;padding:11px 0;font-size:15px;color:var(--text);border-bottom:1px dashed var(--line);}
.side-nav li:last-child a{border-bottom:none;}
.side-nav a:hover{color:var(--green);}
.side-nav a span{color:#B9C0BA;font-size:13px;}
.side-hot a{display:block;font-size:14px;color:var(--text);line-height:1.7;padding:8px 0;border-bottom:1px dashed var(--line);}
.side-hot li:last-child a{border-bottom:none;}
.side-hot a:hover{color:var(--green);}
.side-cta{background:#F1F5EE;border-color:#DDE6DC;}
.side-cta p{font-size:14px;color:var(--text);line-height:1.75;margin:0 0 14px;}

/* ---------- proof ---------- */
.proof{background:var(--ink);color:rgba(255,255,255,.78);padding:var(--section) 0;}
.proof h2{color:#fff;position:relative;padding-left:18px;font-size:32px;line-height:1.28;}
.proof h2::before{content:"";position:absolute;left:0;top:.34em;width:4px;height:24px;background:var(--lime);border-radius:2px;}
.proof-quote{font-size:28px;line-height:1.5;font-weight:700;color:#fff;margin:0;}
.proof-stats{display:flex;gap:32px;margin-top:28px;flex-wrap:wrap;}
.proof-stats .stat b{display:block;font-size:40px;font-weight:900;color:var(--lime);line-height:1.1;}
.proof-stats .stat span{font-size:13px;color:rgba(255,255,255,.6);}
.quote-grid{display:flex;flex-direction:column;gap:16px;height:100%;}
.quote-card{border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:22px;background:transparent;}
.quote-card p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);margin:0 0 14px;}
.quote-card .who{font-size:14px;color:#fff;font-weight:700;}
.quote-card .role{font-size:13px;color:rgba(255,255,255,.5);}
.partners{
  margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);line-height:2;
}
.partners span{color:rgba(255,255,255,.78);margin-right:18px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion{background:transparent;border:none;margin:0;}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;
  overflow:hidden;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.accordion-item:hover{border-color:#C9D3CB;}
.accordion-item.is-active{border-color:var(--green);box-shadow:inset 3px 0 0 var(--green);}
.accordion-title{
  display:block;position:relative;padding:18px 56px 18px 20px;font-size:17px;font-weight:700;
  color:var(--ink);background:#fff;border:none;line-height:1.55;transition:color .18s var(--ease);
}
.accordion-title::before{display:none;}
.accordion-title:hover{color:var(--green);}
.acc-icon{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;color:var(--green);display:inline-flex;align-items:center;justify-content:center;
  transition:transform .22s var(--ease);
}
.accordion-item.is-active .acc-icon{transform:translateY(-50%) rotate(180deg);}
.accordion-content{padding:0;border:none;background:#fff;color:var(--text);font-size:16px;line-height:1.8;}
.acc-inner{padding:0 20px 18px;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;padding:96px 0;border-top:1px solid var(--line);
  background:
    linear-gradient(rgba(247,246,241,.94),rgba(247,246,241,.94)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-inner{max-width:820px;}
.cta-band h2{font-size:32px;line-height:1.3;margin-bottom:14px;}
.cta-band p{font-size:16px;color:var(--muted);margin:0 0 28px;max-width:36em;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);padding:64px 0 24px;}
.footer-brand .brand-mark{color:#fff;font-size:20px;font-weight:800;}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);border-left-color:rgba(255,255,255,.18);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);margin:14px 0 0;max-width:24em;}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px;letter-spacing:.04em;}
.footer-col a,.footer-col li{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:5px 0;line-height:1.7;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:20px;
  font-size:12px;color:rgba(255,255,255,.42);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;line-height:1.9;
}

/* ---------- float bar ---------- */
.float-bar{
  position:fixed;right:24px;bottom:24px;width:420px;z-index:60;
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-2);
  padding:16px 18px;display:flex;align-items:center;gap:14px;
}
.float-bar p{font-size:14px;line-height:1.6;color:var(--text);margin:0;flex:1;}
.float-bar .close-bar{
  border:none;background:transparent;color:var(--muted);width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.float-bar .close-bar:hover{background:var(--bg);color:var(--ink);}
.is-hidden{display:none !important;}

/* ---------- reveal ---------- */
.reveal.rl-reveal{
  border-radius:var(--r-card);padding:32px;border:1px solid var(--line);
  max-width:520px;background:#fff;
}
.rl-reveal h3{font-size:22px;margin-bottom:8px;}
.rl-reveal .lead{font-size:15px;color:var(--muted);margin-bottom:18px;}
.rl-reveal ol{counter-reset:rv;margin-bottom:22px;}
.rl-reveal li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:var(--text);margin-bottom:12px;}
.rl-reveal li i{
  font-style:normal;flex-shrink:0;width:22px;height:22px;border-radius:50%;background:rgba(20,86,63,.1);
  color:var(--green);font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
}
.reveal .close-button{color:var(--muted);}
.reveal .close-button:hover{color:var(--ink);}

/* ---------- reveal animation ---------- */
.reveal-on{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal-on.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .rl-container{padding-left:24px;padding-right:24px;}
  .grid-container.rl-container{padding-left:24px;padding-right:24px;}
  .main-nav,.hotwords,.search-group,.js-search-toggle{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:44px 0 56px;}
  .hero-title{font-size:38px;}
  .section{padding:72px 0;}
  .proof{padding:72px 0;}
  .cta-band{padding:72px 0;}
  .section-head h2,.block-h2,.proof h2,.cta-band h2{font-size:26px;}
  .hero-media{margin-top:36px;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  .hero-title{font-size:34px;max-width:none;}
  .hero-float{position:static;width:100%;margin-top:16px;box-shadow:var(--sh-1);}
  .post-card{flex-direction:column;}
  .post-thumb{width:100%;flex:none;aspect-ratio:16/10;}
  .post-title{font-size:17px;}
  .proof-quote{font-size:22px;}
  .float-bar{left:16px;right:16px;bottom:16px;width:auto;}
  .footer-bottom{flex-direction:column;}
}
@media screen and (max-width:520px){
  .rl-container{padding-left:20px;padding-right:20px;}
  .grid-container.rl-container{padding-left:20px;padding-right:20px;}
  .hero-title{font-size:30px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:18px;}
  .hero-stats .stat{padding-right:18px;}
  .hero-stats b{font-size:32px;}
  .btn{height:48px;font-size:15px;padding:0 22px;}
  .section{padding:56px 0;}
  .section-head h2,.block-h2,.proof h2,.cta-band h2{font-size:24px;}
  .feature-num{font-size:48px;}
  .cta-actions .btn{width:100%;}
  .float-bar{left:0;right:0;bottom:0;border-radius:0;border-left:none;border-right:none;border-bottom:none;padding-bottom:calc(14px + env(safe-area-inset-bottom));}
  body{padding-bottom:76px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal-on{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --green:#14563F;
  --green-light:#1E7A57;
  --lime:#D8F24B;
  --orange:#E4552B;
  --ink:#0F1310;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --line:#E4E2DA;
  --text:#3A423D;
  --muted:#6E7A73;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(15,19,16,.05);
  --sh-2:0 8px 24px rgba(15,19,16,.10);
  --sp-1:16px;
  --sp-2:24px;
  --sp-3:32px;
  --font-zh:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.2,.6,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-zh);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--green);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--green-light);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
input,select,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.button,.button:hover,.button:focus{background:none;color:inherit;}

/* ---------- 容器 ---------- */
.rl-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.grid-container.rl-container{max-width:1200px;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 28px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:700;
  line-height:1;
  border:1px solid transparent;
  transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:#cbe63c;color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#fff;color:var(--green);border-color:var(--green);}
.btn-ghost:hover{background:#f1f7f3;color:var(--green);transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:8px;}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  font-size:15px;
  color:var(--green);
}
.btn-link svg{width:16px;height:16px;transition:transform .18s var(--ease);}
.btn-link:hover svg{transform:translateX(3px);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(228,85,43,.10);
  color:var(--orange);
  font-size:13px;
  font-weight:700;
}
.badge-lime{background:var(--lime);color:var(--ink);}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:600;}

.sec{padding:96px 0;}
.sec-tight{padding:72px 0;}
.sec-head{display:flex;align-items:flex-start;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head h2{
  font-size:32px;
  line-height:1.28;
  display:flex;
  align-items:center;
  gap:14px;
}
.sec-head h2::before{
  content:"";
  width:4px;
  height:24px;
  border-radius:2px;
  background:var(--green);
  flex:none;
}
.sec-head .sec-desc{
  font-size:16px;
  color:var(--muted);
  max-width:520px;
  margin-top:8px;
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);background:rgba(255,255,255,.92);backdrop-filter:blur(8px);}
.brand-bar{background:var(--bg);border-bottom:1px solid var(--line);}
.brand-bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:44px;
}
.brand{display:inline-flex;align-items:baseline;gap:8px;}
.brand-mark{font-size:20px;font-weight:900;letter-spacing:-.02em;color:var(--ink);}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.08em;}
.brand-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:8px;color:var(--ink);
  border:1px solid transparent;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.icon-btn:hover{background:#fff;border-color:var(--line);color:var(--green);}
.icon-btn svg{width:20px;height:20px;}
.menu-toggle{display:none;}

.channel-bar{background:#fff;}
.channel-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:48px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:22px;
  flex-wrap:nowrap;
  overflow-x:auto;
  scrollbar-width:none;
}
.main-nav::-webkit-scrollbar{display:none;}
.main-nav a{
  position:relative;
  padding:12px 0;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:6px;
  width:0;height:2px;
  background:var(--green);
  transition:width .2s var(--ease);
}
.main-nav a:hover{color:var(--green);}
.main-nav a:hover::after{width:100%;}
.main-nav a.is-active{color:var(--green);font-weight:800;}
.main-nav a.is-active::after{width:100%;}

.hot-terms{
  display:flex;
  align-items:center;
  gap:14px;
  flex:1;
  min-width:0;
  overflow-x:auto;
  scrollbar-width:none;
  font-size:13px;
  color:var(--muted);
}
.hot-terms::-webkit-scrollbar{display:none;}
.hot-terms .hot-label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--muted);
  flex:none;
}
.hot-terms a{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text);white-space:nowrap;font-size:13px;
}
.hot-terms a::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--orange);flex:none;
}
.hot-terms a:hover{color:var(--orange);}

.search-group{display:flex;align-items:center;gap:8px;flex:none;}
.search-field{
  display:flex;align-items:center;gap:6px;
  width:0;overflow:hidden;
  transition:width .22s var(--ease);
}
.search-group.is-open .search-field{width:260px;}
.search-field input{
  width:100%;height:36px;padding:0 12px;font-size:14px;
  border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);
}
.search-field input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 2px rgba(216,242,75,.55);}
.search-field button{
  height:36px;padding:0 14px;border-radius:8px;background:var(--green);color:#fff;font-size:13px;font-weight:700;
}
.search-field button:hover{background:var(--green-light);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,19,16,.44);
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:84%;max-width:340px;
  background:#fff;z-index:95;padding:24px 20px 32px;
  transform:translateX(-102%);
  transition:transform .24s var(--ease);
  display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer a.drawer-link{
  display:block;line-height:48px;font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer a.drawer-link.is-active{color:var(--green);font-weight:800;}
.drawer .drawer-hot{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px;}
.drawer .drawer-hot a{
  font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 12px;
}
.drawer .btn{margin-top:20px;width:100%;}

/* ---------- 页头 banner ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(rgba(20,86,63,.86),rgba(20,86,63,.86)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:56px 0 48px;
  border-bottom:1px solid rgba(255,255,255,.16);
}
.page-hero .crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.78);margin-bottom:20px;
}
.page-hero .crumb a{color:rgba(255,255,255,.78);}
.page-hero .crumb a:hover{color:var(--lime);}
.page-hero .crumb span.sep{opacity:.5;}
.page-hero h1{
  color:#fff;
  font-size:46px;
  line-height:1.16;
  font-weight:800;
  max-width:820px;
  letter-spacing:-.01em;
}
.page-hero .hero-sub{
  margin-top:18px;
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  max-width:640px;
}
.anchor-bar{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.2);
}
.anchor-bar a{
  font-size:14px;font-weight:600;color:rgba(255,255,255,.8);
  padding-bottom:6px;border-bottom:2px solid transparent;
}
.anchor-bar a:hover{color:#fff;}
.anchor-bar a.is-on{color:#fff;border-bottom-color:var(--lime);}

/* ---------- 流程 ---------- */
.flow-wrap{padding-top:88px;padding-bottom:88px;}
.flow-list{position:relative;}
.flow-item{
  position:relative;
  display:grid;
  grid-template-columns:64px 1fr;
  gap:24px;
  padding-bottom:32px;
}
.flow-item:last-child{padding-bottom:0;}
.flow-item::before{
  content:"";
  position:absolute;
  left:31px;top:72px;bottom:8px;
  width:1px;background:var(--line);
}
.flow-item:last-child::before{display:none;}
.step-num{
  width:64px;height:64px;flex:none;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  font-family:var(--font-mono);
  font-size:20px;font-weight:700;
  color:var(--green);
  box-shadow:var(--sh-1);
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.flow-item:hover .step-num{background:var(--green);color:#fff;border-color:var(--green);}
.flow-body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 26px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.flow-body:hover{border-color:var(--green);box-shadow:var(--sh-1);transform:translateY(-1px);}
.flow-body h3{font-size:20px;line-height:1.4;margin-bottom:8px;}
.flow-body p{font-size:15px;color:var(--muted);line-height:1.8;}
.flow-body .flow-tag{
  display:inline-block;margin-top:14px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  color:var(--green);background:#f1f7f3;border-radius:var(--r-pill);padding:3px 12px;
}

/* 侧栏要点 */
.aside-card{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  position:sticky;
  top:104px;
}
.aside-card h3{font-size:18px;margin-bottom:6px;}
.aside-card .aside-sub{font-size:13px;color:var(--muted);margin-bottom:20px;}
.aside-item{
  display:grid;grid-template-columns:20px 1fr;gap:12px;
  padding:14px 0;border-top:1px solid var(--line);
}
.aside-item:first-of-type{border-top:0;padding-top:0;}
.aside-item .dot-mark{
  width:8px;height:8px;border-radius:2px;background:var(--green);margin-top:8px;
}
.aside-item h4{font-size:15px;margin-bottom:4px;}
.aside-item p{font-size:13px;color:var(--muted);line-height:1.7;}
.aside-card .btn{width:100%;margin-top:22px;}

/* ---------- 准备清单 ---------- */
.prep-visual{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-1);
}
.prep-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.prep-visual .prep-caption{
  padding:16px 20px;
  font-size:13px;color:var(--muted);
  border-top:1px solid var(--line);
  background:#fff;
}
.check-list{margin-top:8px;}
.check-list li{
  display:grid;grid-template-columns:22px 1fr;gap:12px;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-list .tick{
  width:22px;height:22px;border-radius:6px;
  background:rgba(20,86,63,.08);color:var(--green);
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.check-list .tick svg{width:14px;height:14px;}
.check-list h4{font-size:16px;margin-bottom:2px;}
.check-list p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- 设备对照 ---------- */
.spec-band{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:8px 28px;
}
.spec-row{
  display:grid;
  grid-template-columns:180px 1fr 160px;
  gap:24px;
  align-items:center;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.spec-row:last-child{border-bottom:0;}
.spec-row .spec-name{font-size:17px;font-weight:800;color:var(--ink);}
.spec-row .spec-desc{font-size:14px;color:var(--muted);line-height:1.7;}
.spec-row .spec-state{
  justify-self:end;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--green);background:#f1f7f3;border-radius:var(--r-pill);padding:4px 12px;
}
.spec-row .spec-state.warn{color:var(--orange);background:rgba(228,85,43,.10);}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .18s var(--ease);
}
.faq-item.is-open{border-color:var(--green);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;text-align:left;
  padding:20px 22px;
  font-size:17px;font-weight:700;color:var(--ink);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;background:var(--green);
  opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-q svg{width:18px;height:18px;flex:none;color:var(--green);transition:transform .22s var(--ease);}
.faq-item.is-open .faq-q svg{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease);}
.faq-a-inner{
  padding:0 22px 18px;
  font-size:16px;line-height:1.8;color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  padding:64px 48px;
  background-image:linear-gradient(rgba(15,19,16,.86),rgba(15,19,16,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.cta-band h2{
  color:#fff;font-size:32px;line-height:1.28;max-width:600px;
}
.cta-band p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.8);max-width:560px;}
.cta-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:96px;}
.footer-brand{margin-bottom:16px;}
.footer-brand .brand-mark{color:#fff;font-size:20px;font-weight:900;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);font-size:11px;letter-spacing:.08em;margin-left:8px;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px;}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.04em;margin-bottom:16px;}
.footer-col a,.footer-col li{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.66);
  line-height:2;
  list-style:none;
  transition:color .18s var(--ease);
}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:56px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.5);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .rl-container{padding-left:24px;padding-right:24px;}
  .sec{padding:72px 0;}
  .page-hero h1{font-size:36px;}
  .spec-row{grid-template-columns:150px 1fr;gap:12px;}
  .spec-row .spec-state{grid-column:2;justify-self:start;}
  .aside-card{position:static;margin-top:32px;}
}
@media screen and (max-width:767px){
  .hot-terms{display:none;}
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .brand-bar-inner{min-height:56px;}
  .channel-inner{min-height:0;padding-top:0;padding-bottom:0;}
  .channel-bar{display:none;}
  .site-header.is-scrolled .brand-bar{background:#fff;}
  .brand-actions .btn-primary{display:none;}
  .search-group{display:none;}
}
@media screen and (max-width:640px){
  body{font-size:16px;line-height:1.85;}
  .rl-container{padding-left:20px;padding-right:20px;}
  .sec{padding:56px 0;}
  .sec-head{margin-bottom:28px;}
  .sec-head h2{font-size:24px;}
  .page-hero{padding:36px 0 32px;}
  .page-hero h1{font-size:30px;line-height:1.2;}
  .page-hero .hero-sub{font-size:15px;}
  .anchor-bar{gap:18px;margin-top:24px;padding-top:16px;}
  .flow-item{grid-template-columns:48px 1fr;gap:16px;}
  .step-num{width:48px;height:48px;font-size:16px;border-radius:10px;}
  .flow-item::before{left:23px;top:56px;}
  .flow-body{padding:18px 18px;}
  .flow-body h3{font-size:18px;}
  .spec-band{padding:4px 18px;}
  .spec-row{grid-template-columns:1fr;gap:8px;}
  .spec-row .spec-state{grid-column:1;}
  .cta-band{padding:40px 24px;}
  .cta-band h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 16px;font-size:15px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: article */
:root{
  --green:#14563F;
  --green-2:#1E7A57;
  --lime:#D8F24B;
  --orange:#E4552B;
  --ink:#0F1310;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --line:#E4E2DA;
  --text:#3A423D;
  --muted:#6E7A73;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(15,19,16,.05);
  --sh-2:0 8px 24px rgba(15,19,16,.10);
  --ease:cubic-bezier(.2,.6,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--green);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--green-2);}
button{font-family:inherit;}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.grid-container.rl-container{max-width:1200px;padding-left:32px;padding-right:32px;}
.grid-x{display:flex;}
@media (max-width:1023px){
  .grid-container.rl-container{padding-left:24px;padding-right:24px;}
}
@media (max-width:639px){
  .grid-container.rl-container{padding-left:20px;padding-right:20px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-primary:hover{background:#cbe93a;border-color:#cbe93a;color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:scale(.98);}
.btn-outline{background:#fff;color:var(--green);border-color:var(--green);}
.btn-outline:hover{background:var(--green);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-outline:active{transform:scale(.98);}
.btn-sm{height:34px;padding:0 16px;font-size:13px;font-weight:700;border-radius:8px;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--green);
  background:none;border:0;padding:0;cursor:pointer;
}
.btn-ghost svg{transition:transform .18s var(--ease);}
.btn-ghost:hover svg{transform:translateX(3px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--bg);
  border-top:4px solid var(--green);
  transition:box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.site-header.is-shrink{box-shadow:var(--sh-1);background:rgba(255,255,255,.92);backdrop-filter:blur(8px);}
.brand-bar{height:40px;border-bottom:1px solid var(--line);transition:height .22s var(--ease),opacity .22s var(--ease),border-color .22s var(--ease);overflow:hidden;}
.brand-bar-inner{display:flex;align-items:center;justify-content:space-between;height:40px;}
.site-header.is-shrink .brand-bar{height:0;opacity:0;border-color:transparent;}
.brand{display:flex;align-items:baseline;gap:8px;text-decoration:none;}
.brand-mark{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.1em;}
.brand:hover .brand-mark{color:var(--green);}
.brand-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid transparent;border-radius:8px;color:var(--muted);cursor:pointer;
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.icon-btn:hover{color:var(--green);border-color:var(--line);background:#fff;}
.hamburger{display:none;}
.channel-bar{height:46px;background:#fff;border-bottom:1px solid var(--line);transition:height .22s var(--ease);}
.channel-bar-inner{display:flex;align-items:center;gap:20px;height:46px;}
.main-nav{display:flex;align-items:center;gap:2px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;}
.main-nav::-webkit-scrollbar{display:none;}
.main-nav a{
  position:relative;display:inline-block;height:46px;line-height:46px;padding:0 11px;
  font-size:15px;color:var(--text);white-space:nowrap;font-weight:500;
}
.main-nav a:hover{color:var(--green);}
.main-nav a.is-active{color:var(--green);font-weight:700;}
.main-nav a.is-active::after{content:"";position:absolute;left:11px;right:11px;bottom:7px;height:2px;background:var(--green);}
.hot-words{display:flex;align-items:center;gap:14px;margin:0;padding:0;list-style:none;overflow-x:auto;max-width:280px;scrollbar-width:none;}
.hot-words::-webkit-scrollbar{display:none;}
.hot-words li{display:flex;align-items:center;font-size:12.5px;white-space:nowrap;}
.hot-words li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--orange);margin-right:6px;flex:0 0 auto;}
.hot-words a{color:var(--muted);font-size:12.5px;}
.hot-words a:hover{color:var(--green);}
.nav-search{display:flex;align-items:center;gap:6px;}
.nav-search input[type="search"]{
  width:0;opacity:0;padding:0;height:34px;border:1px solid var(--line);border-radius:8px;background:#fff;
  font-size:14px;color:var(--text);transition:width .24s var(--ease),opacity .2s var(--ease),padding .24s var(--ease);
}
.nav-search.is-open input[type="search"]{width:212px;opacity:1;padding:0 12px;}
.nav-search input[type="search"]:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 2px rgba(216,242,75,.65);}
.nav-search button{width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.18s var(--ease);}
.nav-search button:hover{color:var(--green);border-color:var(--green);}

/* 移动端抽屉 */
.drawer-backdrop{position:fixed;inset:0;background:rgba(15,19,16,.45);opacity:0;pointer-events:none;transition:opacity .26s var(--ease);z-index:90;}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto;}
.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:95;
  transform:translateX(-101%);transition:transform .28s var(--ease);overflow-y:auto;padding:20px;display:flex;flex-direction:column;
}
.mobile-drawer.is-open{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-nav{display:flex;flex-direction:column;padding:12px 0;}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:16px;color:var(--text);border-bottom:1px dashed var(--line);}
.drawer-nav a.is-active{color:var(--green);font-weight:700;}
.drawer-hot{padding:16px 0;}
.drawer-hot h4{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:10px;letter-spacing:.06em;}
.drawer-hot a{display:inline-block;font-size:13px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 12px;margin:0 6px 8px 0;}
.drawer-cta{margin-top:auto;padding-top:18px;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:22px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--muted);line-height:1.6;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--green);}
.breadcrumb .sep{color:#c9c7bd;}
.breadcrumb .current{color:var(--text);}

/* ---------- 文章头 ---------- */
.article-layout{padding-top:8px;}
.article-main{min-width:0;}
.article-head{padding:26px 0 24px;border-bottom:1px solid var(--line);}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge-orange{background:rgba(228,85,43,.1);color:var(--orange);}
.badge-green{background:rgba(20,86,63,.08);color:var(--green);}
.article-head h1{
  font-size:34px;font-weight:800;line-height:1.25;letter-spacing:-.01em;color:var(--ink);
  margin:14px 0 18px;max-width:820px;
}
.article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted);}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#c9c7bd;display:inline-block;}
.share-group{margin-left:auto;display:flex;gap:8px;}
.share-btn{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--muted);cursor:pointer;
  transition:color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.share-btn:hover{color:var(--green);border-color:var(--green);transform:translateY(-1px);}

/* ---------- 正文 ---------- */
.article-body{
  max-width:760px;margin:0 auto;padding:32px 0 0;
  font-size:17px;line-height:1.9;color:var(--text);
  word-break:break-word;
}
.article-body h2{
  font-size:26px;font-weight:700;line-height:1.35;color:var(--ink);
  margin:2.2em 0 .8em;padding-left:14px;border-left:3px solid var(--green);
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.45;color:var(--ink);margin:1.9em 0 .6em;}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:1.6em 0 .5em;}
.article-body p{margin:0 0 1.4em;}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(20,86,63,.35);}
.article-body a:hover{text-decoration-color:var(--green);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body img{border-radius:10px;margin:1.6em 0 .6em;width:100%;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;line-height:1.6;}
.article-body blockquote{
  margin:1.6em 0;padding:20px 22px;background:var(--bg);
  border-left:3px solid var(--green);border-radius:0 10px 10px 0;color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--green);}
.article-body ol li::marker{color:var(--green);font-weight:700;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;line-height:1.7;border:1px solid var(--line);}
.article-body th{background:rgba(20,86,63,.08);color:var(--ink);font-weight:700;text-align:left;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:64px 24px;text-align:center;
}
.empty-state .empty-icon{width:48px;height:48px;margin:0 auto 18px;color:var(--green);}
.empty-state h2{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:8px;border:0;padding:0;}
.empty-state p{font-size:14.5px;color:var(--muted);margin-bottom:22px;}

/* ---------- 文末 ---------- */
.article-foot{max-width:760px;margin:44px auto 0;}
.post-nav{
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:20px;margin-top:20px;font-size:14px;
}
.post-nav a{display:inline-flex;align-items:center;gap:6px;color:var(--muted);max-width:48%;}
.post-nav a:hover{color:var(--green);}
.article-foot .btn-outline{margin-top:26px;height:46px;font-size:15px;padding:0 22px;}

/* ---------- 相关推荐 ---------- */
.related{padding:56px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{
  position:relative;font-size:24px;font-weight:700;color:var(--ink);line-height:1.3;padding-left:14px;
}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--green);border-radius:2px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.v-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.v-card:hover{border-color:var(--green);box-shadow:var(--sh-1);}
.v-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg);}
.v-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.v-card:hover .thumb img{transform:scale(1.03);}
.v-card .v-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.v-card h3{font-size:16px;font-weight:700;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.v-card .v-meta{font-size:12.5px;color:var(--muted);margin-top:auto;}

/* ---------- 侧栏 ---------- */
.article-aside{padding-top:32px;}
.aside-inner{position:sticky;top:88px;}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;margin-bottom:20px;box-shadow:var(--sh-1);}
.aside-card h3{font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.04em;padding-bottom:12px;margin-bottom:6px;border-bottom:1px solid var(--line);}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14px;color:var(--text);border-bottom:1px dashed var(--line);
}
.aside-links a:last-child{border-bottom:0;}
.aside-links a:hover{color:var(--green);}
.aside-links a svg{color:#c9c7bd;flex:0 0 auto;transition:transform .18s var(--ease),color .18s var(--ease);}
.aside-links a:hover svg{color:var(--green);transform:translateX(3px);}
.aside-hot li{padding:11px 0;border-bottom:1px dashed var(--line);}
.aside-hot li:last-child{border-bottom:0;}
.aside-hot a{font-size:14px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.aside-hot a:hover{color:var(--green);}
.aside-hot span{display:block;font-size:12px;color:var(--muted);margin-top:4px;}
.aside-cta{background:var(--green);border-color:var(--green);color:#fff;box-shadow:var(--sh-1);}
.aside-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.18);}
.aside-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.78);margin-bottom:16px;}
.aside-cta .btn{width:100%;height:46px;font-size:15px;}

/* ---------- 固定转化条 ---------- */
.fixed-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;width:420px;
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-2);
  padding:16px 18px;display:flex;align-items:center;gap:14px;
}
.fixed-cta p{font-size:14px;line-height:1.55;color:var(--text);flex:1 1 auto;}
.fixed-cta .btn{height:40px;padding:0 18px;font-size:14px;flex:0 0 auto;}
.cta-close{
  width:26px;height:26px;border:0;background:transparent;color:var(--muted);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;border-radius:6px;flex:0 0 auto;
}
.cta-close:hover{background:var(--bg);color:var(--ink);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:96px;}
.footer-brand .brand-mark{color:#fff;font-size:20px;}
.footer-brand .brand-sub{color:var(--lime);font-size:11px;letter-spacing:.12em;margin-left:8px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.58);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:6px 0;}
.footer-col a:hover{color:var(--lime);}
.footer-list{margin:0;padding:0;list-style:none;}
.footer-list li{font-size:14px;color:rgba(255,255,255,.62);padding:6px 0;line-height:1.6;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.42);line-height:1.7;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav,.hot-words,.nav-search{display:none;}
  .hamburger{display:inline-flex;}
  .brand-actions .btn-sm{display:none;}
  .article-head h1{font-size:30px;}
  .article-aside{padding-top:8px;}
  .aside-inner{position:static;}
  .related{padding-top:48px;}
  .related-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
}
@media (max-width:767px){
  .article-body{font-size:16px;line-height:1.85;padding-top:24px;}
  .article-head{padding:20px 0 18px;}
  .article-head h1{font-size:27px;line-height:1.32;margin:12px 0 14px;}
  .article-meta{gap:12px;font-size:12.5px;}
  .share-group{margin-left:0;width:100%;}
  .related-grid{grid-template-columns:1fr;}
  .post-nav a{max-width:100%;}
  .fixed-cta{
    left:0;right:0;bottom:0;width:auto;border-radius:0;border-left:0;border-right:0;border-bottom:0;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    gap:10px;
  }
  .fixed-cta p{font-size:13px;}
  .section-head h2{font-size:21px;}
  .site-footer{margin-top:64px;padding-top:48px;}
  .footer-brand p{max-width:none;}
  .footer-col{margin-bottom:22px;}
  .footer-bottom{margin-top:12px;font-size:12px;flex-direction:column;gap:8px;}
}
@media (max-width:639px){
  .article-head h1{font-size:25px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .brand-mark{font-size:17px;}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --green:#14563F;
  --green-lt:#1E7A57;
  --lime:#D8F24B;
  --orange:#E4552B;
  --ink:#0F1310;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --line:#E4E2DA;
  --text:#3A423D;
  --muted:#6E7A73;
  --r-card:14px;
  --r-btn:10px;
  --sh-1:0 2px 8px rgba(15,19,16,.05);
  --sh-2:0 8px 24px rgba(15,19,16,.10);
  --sp:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .18s cubic-bezier(.2,.6,.2,1);}
a:hover{color:var(--green-lt);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.rl-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
@media (max-width:1023px){.rl-container{padding-left:24px;padding-right:24px;}}
@media (max-width:639px){.rl-container{padding-left:20px;padding-right:20px;}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2);}
.brand-row{
  border-bottom:1px solid var(--line);
  background:#FBFAF6;
  transition:height .2s ease;
}
.brand-row .rl-container{
  display:flex;align-items:center;justify-content:space-between;
  height:44px;
}
.brand-block{display:flex;align-items:baseline;gap:8px;min-width:0;}
.brand-mark{
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  white-space:nowrap;
}
.brand-sub{
  font-size:11px;color:var(--muted);letter-spacing:.06em;white-space:nowrap;
}
.brand-tools{display:flex;align-items:center;gap:12px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border:1px solid var(--line);border-radius:8px;
  background:#fff;color:var(--text);cursor:pointer;
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.icon-btn:hover{border-color:var(--green);color:var(--green);transform:translateY(-1px);}
.btn-mini{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 16px;border-radius:8px;
  background:var(--lime);color:var(--ink);font-size:13px;font-weight:700;
  border:1px solid var(--lime);
  transition:transform .18s cubic-bezier(.2,.6,.2,1),filter .18s ease;
}
.btn-mini:hover{transform:translateY(-1px);filter:brightness(.96);color:var(--ink);}
.btn-mini:active{transform:scale(.98);}

.channel-row .rl-container{
  display:flex;align-items:center;gap:20px;height:52px;min-width:0;
}
.main-nav{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.main-nav a{
  position:relative;font-size:15px;font-weight:600;color:var(--text);
  padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;
  transition:transform .2s cubic-bezier(.2,.6,.2,1);
}
.main-nav a:hover{color:var(--green);}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--green);font-weight:700;}
.hot-words{
  display:flex;align-items:center;gap:14px;flex:1 1 auto;min-width:0;
  overflow-x:auto;scrollbar-width:none;
}
.hot-words::-webkit-scrollbar{display:none;}
.hot-words a{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--muted);white-space:nowrap;
}
.hot-words a::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--orange);flex:0 0 auto;
}
.hot-words a:hover{color:var(--green);}
.nav-search{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.search-field{
  height:34px;width:0;opacity:0;padding:0;border:1px solid var(--line);
  border-radius:8px;background:#fff;font-size:13px;color:var(--text);
  transition:width .22s ease,opacity .22s ease,padding .22s ease;
}
.search-field.is-open{width:220px;opacity:1;padding:0 12px;}
.search-field:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 2px rgba(216,242,75,.55);}
.burger{display:none;}

/* mobile drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,19,16,.45);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:84%;max-width:340px;background:#fff;
  z-index:91;transform:translateX(-100%);transition:transform .26s cubic-bezier(.2,.6,.2,1);
  display:flex;flex-direction:column;padding:20px 20px calc(20px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  font-size:15px;font-weight:600;color:var(--text);line-height:48px;
  border-bottom:1px solid var(--line);
}
.drawer nav a.is-active{color:var(--green);}
.drawer-hot{margin-top:20px;}
.drawer-hot h5{font-size:12px;letter-spacing:.08em;color:var(--muted);margin:0 0 10px;}
.drawer-hot a{display:block;font-size:13px;color:var(--muted);line-height:32px;}
.drawer-cta{margin-top:auto;padding-top:22px;}
.drawer-cta .btn-primary{width:100%;}

/* ============ page head banner ============ */
.page-head{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;
}
.page-head::before{
  content:"";position:absolute;inset:0;background:rgba(20,86,63,.78);
}
.page-head .rl-container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);}
.crumbs a{color:rgba(255,255,255,.8);}
.crumbs a:hover{color:var(--lime);}
.crumbs span.sep{opacity:.5;}
.page-head h1{
  color:#fff;font-size:46px;font-weight:800;line-height:1.16;letter-spacing:-.01em;
  margin:18px 0 14px;max-width:860px;
}
.page-head p.lead{
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.85);max-width:720px;
}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.head-tags span{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:999px;border:1px solid rgba(255,255,255,.28);
  font-size:12.5px;color:rgba(255,255,255,.9);
}
.head-tags .on{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700;}

/* ============ generic section ============ */
.section{padding-top:88px;}
.section:last-of-type{padding-bottom:8px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.section-head h2{
  position:relative;font-size:32px;font-weight:700;line-height:1.28;padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:6px;width:4px;background:var(--green);border-radius:2px;
}
.section-head .sub{font-size:14px;color:var(--muted);margin-top:8px;padding-left:18px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--green);white-space:nowrap;
}
.link-arrow svg{transition:transform .18s cubic-bezier(.2,.6,.2,1);}
.link-arrow:hover svg{transform:translateX(3px);}

/* metric band */
.metric-band{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.metric-cell{padding:26px 24px;border-right:1px solid var(--line);}
.metric-cell:last-child{border-right:none;}
.metric-cell .num{font-size:44px;font-weight:900;color:var(--ink);line-height:1.05;letter-spacing:-.02em;}
.metric-cell .num em{font-style:normal;font-size:16px;font-weight:700;color:var(--green);margin-left:4px;}
.metric-cell .lab{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.6;}

/* asymmetric feature cards 7:5 */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.f-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.f-card:hover{border-color:var(--green);box-shadow:var(--sh-2);transform:translateY(-1px);}
.f-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#F1EFE7;}
.f-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.6,.2,1);}
.f-card:hover .thumb img{transform:scale(1.03);}
.f-card .body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.f-card h3{font-size:22px;font-weight:700;line-height:1.35;}
.f-card p{font-size:15.5px;color:var(--muted);line-height:1.8;}
.f-card .foot{margin-top:auto;padding-top:6px;}
.f-card.small .thumb{aspect-ratio:16/9;}
.f-card.small .body{padding:20px 22px 22px;}
.f-card.small h3{font-size:18px;}
.f-card.small p{font-size:14px;}
.stack-5{display:flex;flex-direction:column;gap:24px;}
.idx{
  font-size:56px;font-weight:900;line-height:1;color:#E4E2DA;letter-spacing:-.03em;
}

/* data table */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.table-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;border-bottom:1px solid var(--line);
}
.table-title h3{font-size:18px;font-weight:700;}
.table-title span{font-size:13px;color:var(--muted);}
.table-scroll{overflow-x:auto;}
table.data{width:100%;border-collapse:collapse;min-width:640px;}
table.data th,table.data td{
  padding:14px 24px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);
}
table.data thead th{
  background:rgba(20,86,63,.07);color:var(--green);font-size:13px;font-weight:700;
  letter-spacing:.02em;white-space:nowrap;
}
table.data tbody tr:last-child td{border-bottom:none;}
table.data tbody tr:hover{background:#FBFAF6;}
table.data td.num{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink);}
.pill{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.pill-live{background:rgba(228,85,43,.12);color:var(--orange);}
.pill-done{background:rgba(20,86,63,.1);color:var(--green);}
.pill-soon{background:#F1EFE7;color:var(--muted);}

/* module list */
.mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.mod{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.mod:hover{border-color:var(--green);transform:translateY(-1px);box-shadow:var(--sh-2);}
.mod .ic{
  width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(20,86,63,.08);color:var(--green);margin-bottom:16px;
}
.mod h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.mod p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.mod ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.mod ul li{
  position:relative;padding-left:16px;font-size:14px;color:var(--text);
}
.mod ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--green-lt);
}

/* steps */
.steps{display:flex;flex-direction:column;}
.step{display:flex;gap:20px;position:relative;padding-bottom:28px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:23px;top:48px;bottom:0;width:1px;background:var(--line);
}
.step:last-child::before{display:none;}
.step-no{
  flex:0 0 auto;width:48px;height:48px;border-radius:50%;
  background:var(--green);color:#fff;font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;position:relative;z-index:2;
}
.step-copy h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.step-copy p{font-size:15px;color:var(--muted);line-height:1.8;max-width:620px;}

/* accordion override */
.accordion{
  background:transparent;border:none;margin:0;
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.accordion .accordion-title{
  border:none;border-bottom:1px solid transparent;background:#fff;color:var(--ink);
  font-size:16px;font-weight:700;padding:18px 52px 18px 20px;line-height:1.5;
  display:flex;align-items:center;position:relative;
}
.accordion .accordion-title:hover{background:#FBFAF6;color:var(--green);}
.accordion .accordion-title::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--green);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;border-radius:0 2px 2px 0;
}
.accordion .accordion-item.is-active .accordion-title::before{transform:scaleY(1);}
.accordion .accordion-title::after{
  content:"";position:absolute;right:20px;top:50%;width:14px;height:14px;
  margin-top:-7px;
  background:
    linear-gradient(var(--green),var(--green)) center/14px 2px no-repeat,
    linear-gradient(var(--green),var(--green)) center/2px 14px no-repeat;
  transition:transform .22s ease;
}
.accordion .accordion-item.is-active .accordion-title::after{transform:rotate(90deg);}
.accordion .accordion-content{
  display:none;padding:0 20px 18px;border-top:none;background:#fff;color:var(--text);
  font-size:15px;line-height:1.8;
}
.accordion .accordion-item.is-active .accordion-content{display:block;padding-top:14px;}
.accordion .accordion-content p+p{margin-top:10px;}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  background:var(--ink);color:#fff;padding:56px 48px;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:340px;height:340px;
  background:radial-gradient(circle at center,rgba(216,242,75,.16),transparent 68%);
}
.cta-band h2{color:#fff;font-size:34px;font-weight:800;line-height:1.25;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15.5px;margin-top:12px;max-width:560px;position:relative;z-index:2;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;z-index:2;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-btn);
  background:var(--lime);color:var(--ink);font-size:15px;font-weight:700;
  border:1px solid var(--lime);cursor:pointer;
  transition:transform .18s cubic-bezier(.2,.6,.2,1),filter .18s ease,box-shadow .18s ease;
}
.btn-primary:hover{filter:brightness(.95);transform:translateY(-1px);box-shadow:var(--sh-2);color:var(--ink);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:var(--r-btn);
  background:transparent;color:var(--green);font-size:15px;font-weight:700;
  border:1px solid var(--green);cursor:pointer;
  transition:background .18s ease,transform .18s cubic-bezier(.2,.6,.2,1);
}
.btn-ghost:hover{background:rgba(20,86,63,.06);transform:translateY(-1px);color:var(--green);}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.42);}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.1);color:#fff;}

/* info strip */
.info-strip{
  display:flex;flex-wrap:wrap;gap:12px 36px;align-items:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:18px 0;margin-top:44px;
}
.info-strip span{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:8px;}
.info-strip span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--green-lt);}

/* footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 28px;}
.site-footer h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:14px;max-width:320px;color:rgba(255,255,255,.6);}
.footer-col a,.footer-col li{
  display:block;font-size:14px;color:rgba(255,255,255,.7);line-height:2.1;
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:20px;
  font-size:12px;color:rgba(255,255,255,.45);
}

/* faq section head */
.faq-wrap{max-width:100%;}

@media (max-width:1023px){
  .main-nav{gap:16px;}
  .main-nav a{font-size:14px;}
  .hot-words{display:none;}
  .metric-band{grid-template-columns:repeat(2,1fr);}
  .metric-cell:nth-child(2){border-right:none;}
  .metric-cell:nth-child(1),.metric-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .feature-grid{grid-template-columns:1fr;}
  .mod-grid{grid-template-columns:1fr 1fr;}
  .section{padding-top:72px;}
  .page-head h1{font-size:36px;}
  .section-head h2{font-size:26px;}
  .cta-band{padding:40px 32px;}
  .cta-band h2{font-size:28px;}
}
@media (max-width:767px){
  .channel-row .rl-container{height:56px;gap:12px;}
  .main-nav{display:none;}
  .nav-search .search-field{display:none;}
  .burger{display:inline-flex;}
  .brand-row .rl-container{height:48px;}
  .brand-mark{font-size:17px;}
  .btn-mini{padding:0 12px;font-size:12px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .page-head .rl-container{padding-top:28px;padding-bottom:28px;}
  .page-head h1{font-size:30px;margin:14px 0 10px;}
  .page-head p.lead{font-size:15px;}
  .head-tags{margin-top:16px;}
  .section{padding-top:56px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section-head h2{font-size:24px;padding-left:14px;}
  .section-head h2::before{width:3px;top:6px;bottom:4px;}
  .section-head .sub{padding-left:14px;}
  .metric-band{grid-template-columns:1fr 1fr;}
  .metric-cell{padding:20px 16px;}
  .metric-cell .num{font-size:34px;}
  .mod-grid{grid-template-columns:1fr;}
  .accordion{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;}
  .cta-band h2{font-size:24px;}
  .btn-primary,.btn-ghost{width:100%;height:48px;}
  .cta-actions{flex-direction:column;}
  .site-footer{padding:48px 0 24px;margin-top:64px;}
  .footer-brand{margin-bottom:26px;}
  .step::before{left:19px;top:42px;}
  .step-no{width:40px;height:40px;font-size:15px;}
  .step-copy h3{font-size:17px;}
  .step-copy p{font-size:14.5px;}
  table.data th,table.data td{padding:12px 16px;font-size:13.5px;}
  .table-title{padding:16px;flex-wrap:wrap;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .f-card:hover,.mod:hover,.btn-primary:hover{transform:none;}
  .f-card:hover .thumb img{transform:none;}
}

/* roulang page: category3 */
:root{
  --green:#14563F;
  --green-lite:#1E7A57;
  --lemon:#D8F24B;
  --orange:#E4552B;
  --ink:#0F1310;
  --paper:#F7F6F1;
  --white:#FFFFFF;
  --line:#E4E2DA;
  --text:#3A423D;
  --muted:#6E7A73;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(15,19,16,.05);
  --sh-2:0 8px 24px rgba(15,19,16,.10);
  --ease:cubic-bezier(.2,.6,.2,1);
  --pad-x:32px;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--green);text-decoration:none;transition:color 180ms var(--ease),border-color 180ms var(--ease),background-color 180ms var(--ease)}
a:hover,a:focus{color:var(--green-lite)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.28}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--lemon);outline-offset:2px}
.grid-container.rl-container{max-width:1200px;padding-left:var(--pad-x);padding-right:var(--pad-x);width:100%}
textarea,input,select{font-family:inherit}

/* Foundation 重置 */
.button,.button.primary,.button.secondary,.button.hollow{background-color:var(--green);color:#fff;border-radius:var(--r-btn);border:1px solid var(--green);font-weight:700;box-shadow:none}
.button:hover,.button:focus{background-color:var(--green-lite);color:#fff}
.accordion{background:transparent}
.accordion-title{background:transparent;color:var(--ink);border:none;padding:0}
.accordion-content{background:transparent;border:none;padding:0;color:var(--text)}
input[type="text"],input[type="search"],input[type="email"],textarea,select{
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--text);
  box-shadow:none;height:48px;padding:12px 14px;margin:0;font-size:15px;
}
input:focus,textarea:focus,select:focus{border-color:var(--green);box-shadow:0 0 0 2px rgba(216,242,75,.75);outline:none}

/* 通用组件 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;line-height:1;border:1px solid transparent;
  transition:transform 180ms var(--ease),background-color 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease);
}
.btn-primary{background:var(--lemon);color:var(--ink);border-color:var(--lemon)}
.btn-primary:hover{background:#cbe93a;color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--green);border:1px solid var(--green)}
.btn-ghost:hover{background:#f0f5f1;color:var(--green);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn:active{transform:scale(.98)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--green)}
.link-arrow svg{transition:transform 180ms var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;line-height:1.6;font-weight:700;
  background:rgba(228,85,43,.10);color:var(--orange);
}
.tag-plain{background:rgba(20,86,63,.08);color:var(--green)}
.section{padding:var(--sec-y) 0}
.section-head{margin-bottom:40px}
.section-head h2{
  position:relative;font-size:32px;line-height:1.28;padding-left:16px;letter-spacing:-.01em;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--green);
}
.section-head .sub{margin-top:12px;max-width:640px;color:var(--muted);font-size:16px;line-height:1.8}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:box-shadow 200ms var(--ease)}
.site-header.is-shrunk{box-shadow:var(--sh-1);border-bottom:1px solid var(--line)}
.brand-row{background:#FCFBF7;border-bottom:1px solid var(--line);height:40px;transition:height 200ms var(--ease)}
.is-shrunk .brand-row{height:0;border-bottom:none;overflow:hidden}
.brand-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:20px}
.brand-lockup{display:flex;align-items:baseline;gap:8px;color:var(--ink)}
.brand-mark{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-sub{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.04em}
.brand-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--green);
  transition:border-color 180ms var(--ease),color 180ms var(--ease),background-color 180ms var(--ease);
}
.icon-btn:hover{border-color:var(--green);color:var(--green-lite);background:#f2f7f3}
.btn-mini{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:8px;
  background:var(--green);color:#fff;font-size:13px;font-weight:700;border:1px solid var(--green);
}
.btn-mini:hover{background:var(--green-lite);color:#fff;border-color:var(--green-lite)}
.hamburger{display:none;width:34px;height:34px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--ink)}
.header-search{display:none;position:absolute;right:var(--pad-x);top:46px;width:300px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:10px;z-index:70}
.header-search.is-open{display:block}
.header-search form{display:flex;gap:8px}
.header-search input{height:42px;flex:1}
.header-search button{width:64px;height:42px;border:none;border-radius:8px;background:var(--green);color:#fff;font-size:14px;font-weight:700}

.channel-row{height:46px;display:flex;align-items:center;transition:height 200ms var(--ease)}
.is-shrunk .channel-row{height:60px}
.channel-inner{display:flex;align-items:center;gap:24px;height:100%}
.main-nav{display:flex;align-items:center;gap:22px;flex-shrink:0;height:100%}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:100%;
  font-size:14px;font-weight:500;color:var(--text);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;
  background:transparent;transform:scaleX(.3);transition:background-color 180ms var(--ease),transform 180ms var(--ease);
}
.main-nav a:hover{color:var(--green)}
.main-nav a.is-active{color:var(--green);font-weight:700}
.main-nav a.is-active::after{background:var(--green);transform:scaleX(1)}
.hot-words{
  display:flex;align-items:center;gap:16px;overflow-x:auto;flex:1;
  scrollbar-width:none;-ms-overflow-style:none;height:100%;
}
.hot-words::-webkit-scrollbar{display:none}
.hot-words a{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);white-space:nowrap;
}
.hot-words a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--orange);flex-shrink:0}
.hot-words a:hover{color:var(--green)}

.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:120;
  transform:translateX(-102%);transition:transform 260ms var(--ease);padding:24px 20px;
  display:flex;flex-direction:column;box-shadow:var(--sh-2);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:15px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--green)}
.drawer-hot{margin-top:24px}
.drawer-hot h4{font-size:13px;color:var(--muted);font-weight:700;margin-bottom:12px}
.drawer-hot a{display:inline-block;margin:0 8px 8px 0;font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 12px}
.drawer-cta{margin-top:auto;padding-top:20px}
.drawer-cta .btn{width:100%}
.scrim{position:fixed;inset:0;background:rgba(15,19,16,.42);z-index:110;opacity:0;pointer-events:none;transition:opacity 240ms var(--ease)}
.scrim.is-open{opacity:1;pointer-events:auto}

/* Hero */
.page-hero{
  position:relative;color:#fff;padding:56px 0 0;
  background-image:linear-gradient(rgba(15,40,31,.72),rgba(20,86,63,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.page-hero .breadcrumb a{color:rgba(255,255,255,.72)}
.page-hero .breadcrumb a:hover{color:#fff}
.page-hero h1{
  color:#fff;font-size:46px;line-height:1.16;font-weight:800;letter-spacing:-.01em;max-width:840px;
}
.page-hero .hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);max-width:660px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero-badges .tag{background:var(--lemon);color:var(--ink)}
.hero-badges .tag-soft{background:rgba(255,255,255,.14);color:#fff}
.anchor-bar{display:flex;gap:28px;overflow-x:auto;margin-top:32px;padding-bottom:0;scrollbar-width:none}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{
  position:relative;padding:12px 0 16px;font-size:14px;font-weight:600;color:rgba(255,255,255,.76);white-space:nowrap;
}
.anchor-bar a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:transparent}
.anchor-bar a.is-on{color:#fff}
.anchor-bar a.is-on::after{background:var(--lemon)}

/* 信任细条 */
.fact-strip{background:#fff;border-bottom:1px solid var(--line)}
.fact-inner{display:flex;flex-wrap:wrap;align-items:center;gap:0}
.fact-item{
  display:flex;align-items:baseline;gap:10px;padding:20px 28px 20px 0;margin-right:28px;
  border-right:1px solid var(--line);font-size:13px;color:var(--muted);
}
.fact-item:last-child{border-right:none;margin-right:0}
.fact-item strong{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.01em}

/* 文档布局 */
.doc-section{padding:72px 0 96px}
.doc-grid{display:grid;grid-template-columns:264px minmax(0,1fr);gap:48px;align-items:start}
.doc-side{position:sticky;top:88px}
.doc-side h3{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.08em;margin-bottom:14px}
.doc-nav{display:flex;flex-direction:column;border-left:1px solid var(--line)}
.doc-nav a{
  position:relative;display:block;padding:9px 0 9px 16px;font-size:14px;color:var(--text);
}
.doc-nav a::before{content:"";position:absolute;left:-1px;top:8px;bottom:8px;width:2px;background:transparent;transition:background-color 180ms var(--ease)}
.doc-nav a:hover{color:var(--green)}
.doc-nav a.is-on{color:var(--green);font-weight:700}
.doc-nav a.is-on::before{background:var(--green)}
.side-note{
  margin-top:24px;padding:18px;border:1px solid var(--line);border-radius:var(--r-card);background:#fff;
}
.side-note p{font-size:13px;line-height:1.75;color:var(--muted);margin:0 0 12px}
.side-note .link-arrow{font-size:13px}

.doc-body{min-width:0}
.prose{max-width:760px}
.doc-intro{
  padding:24px 26px;border-radius:var(--r-card);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);margin-bottom:40px;
}
.doc-intro p:last-child{margin-bottom:0}
.doc-intro strong{color:var(--ink)}
.clause{margin-bottom:44px;scroll-margin-top:96px}
.clause h3{
  display:flex;align-items:baseline;gap:12px;font-size:22px;line-height:1.4;margin-bottom:14px;
}
.clause h3 .num{
  font-size:13px;font-weight:800;color:var(--green);letter-spacing:.06em;
  border:1px solid var(--line);border-radius:6px;padding:2px 8px;flex-shrink:0;background:#fff;
}
.clause p{font-size:17px;line-height:1.9;margin-bottom:1.2em;color:var(--text)}
.clause p:last-child{margin-bottom:0}
.clause .quote{
  border-left:3px solid var(--green);background:#fff;border-radius:0 12px 12px 0;
  padding:18px 22px;font-size:16px;line-height:1.85;color:var(--text);margin:1.2em 0;
}
.divider{height:1px;background:var(--line);border:none;margin:0 0 44px}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:#fff;margin-top:8px}
table.data-table{width:100%;border-collapse:collapse;min-width:620px;margin:0;font-size:15px}
table.data-table th,table.data-table td{
  padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);line-height:1.7;vertical-align:top;
}
table.data-table thead th{background:rgba(20,86,63,.08);color:var(--ink);font-weight:700;font-size:14px;border-bottom:1px solid var(--line)}
table.data-table tbody tr:last-child td{border-bottom:none}
table.data-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}

/* 自查清单 */
.check-panel{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1);
}
.check-list li{
  position:relative;padding-left:34px;margin-bottom:18px;font-size:16px;line-height:1.8;color:var(--text);
}
.check-list li:last-child{margin-bottom:0}
.check-list li b{color:var(--ink)}
.check-list li::before{
  content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:6px;
  background:rgba(20,86,63,.10);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2314563F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;
}
.check-figure{margin:0}
.check-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.check-figure figcaption{margin-top:10px;font-size:13px;color:var(--muted);line-height:1.7}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-acc{border:none;margin:0}
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.faq-acc .accordion-item:hover{border-color:var(--green)}
.faq-acc .accordion-item.is-active{box-shadow:inset 3px 0 0 var(--green);border-color:var(--green)}
.faq-acc .accordion-title{
  position:relative;padding:20px 56px 20px 22px;font-size:17px;font-weight:700;color:var(--ink);
  border:none;background:transparent;line-height:1.6;
}
.faq-acc .accordion-title::before{display:none}
.faq-acc .accordion-title::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--green);line-height:1;
}
.faq-acc .accordion-item.is-active .accordion-title::after{content:"−"}
.faq-acc .accordion-content{padding:0 22px 20px;font-size:16px;line-height:1.8;color:var(--text)}
.faq-acc .accordion-content p:last-child{margin-bottom:0}

/* CTA */
.cta-section{padding:0 0 96px}
.cta-band{
  position:relative;border-radius:var(--r-card);overflow:hidden;padding:56px 48px;
  background-image:linear-gradient(rgba(20,86,63,.86),rgba(20,86,63,.86)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;color:#fff;
}
.cta-band h2{color:#fff;font-size:32px;line-height:1.28;max-width:640px}
.cta-band p{margin:14px 0 28px;color:rgba(255,255,255,.84);font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-brand .brand-mark{color:#fff;font-size:20px}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.footer-col a,.footer-col li{
  display:block;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:12px;line-height:1.7;
}
.footer-col a:hover{color:var(--lemon)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12px;color:rgba(255,255,255,.48);
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms var(--ease),transform 420ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1023px){
  :root{--pad-x:24px;--sec-y:72px}
  .channel-inner{gap:16px}
  .hot-words{display:none}
  .main-nav{overflow-x:auto;scrollbar-width:none}
  .main-nav::-webkit-scrollbar{display:none}
  .page-hero h1{font-size:36px}
  .doc-grid{grid-template-columns:1fr;gap:32px}
  .doc-side{position:static;top:auto}
  .doc-nav{flex-direction:row;flex-wrap:wrap;border-left:none;gap:8px}
  .doc-nav a{border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 14px;font-size:13px;background:#fff}
  .doc-nav a::before{display:none}
  .doc-nav a.is-on{border-color:var(--green);background:rgba(20,86,63,.06)}
  .check-panel{grid-template-columns:1fr;padding:24px}
  .cta-band{padding:40px 28px}
  .cta-band h2{font-size:26px}
}
@media (max-width:767px){
  body{font-size:16px}
  .brand-actions .btn-mini{display:none}
  .hamburger{display:inline-flex}
  .main-nav{display:none}
  .channel-row{height:52px}
  .is-shrunk .channel-row{height:56px}
  .channel-inner{justify-content:space-between}
  .channel-inner::after{content:"浏览栏目";font-size:13px;color:var(--muted)}
  .page-hero{padding:36px 0 0}
  .page-hero h1{font-size:30px}
  .page-hero .hero-sub{font-size:15px}
  .fact-item{padding:14px 20px 14px 0;margin-right:20px;font-size:12px}
  .fact-item strong{font-size:18px}
  .section-head h2{font-size:24px}
  .clause h3{font-size:19px}
  .clause p{font-size:16px}
  .doc-section{padding:48px 0 64px}
  .footer-bottom{flex-direction:column}
  .header-search{width:calc(100% - 40px);right:20px;top:44px}
}
@media (max-width:519px){
  :root{--pad-x:20px;--sec-y:56px}
  .brand-mark{font-size:17px}
  .anchor-bar{gap:18px}
  .fact-inner{flex-direction:column;align-items:flex-start}
  .fact-item{border-right:none;border-bottom:1px solid var(--line);width:100%;margin-right:0;padding:12px 0}
  .fact-item:last-child{border-bottom:none}
  .cta-actions .btn{width:100%}
  .check-panel{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --green:#14563F;
  --green-2:#1E7A57;
  --green-soft:rgba(20,86,63,.08);
  --lime:#D8F24B;
  --orange:#E4552B;
  --orange-soft:rgba(228,85,43,.10);
  --ink:#0F1310;
  --warm:#F7F6F1;
  --white:#FFFFFF;
  --line:#E4E2DA;
  --text:#3A423D;
  --muted:#6E7A73;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(15,19,16,.05);
  --sh-2:0 8px 24px rgba(15,19,16,.10);
  --ease:180ms cubic-bezier(.2,.6,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--warm);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.85;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--green);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--green-2)}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{list-style:none;padding:0}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink)}

.grid-container.rl-container{padding-left:32px;padding-right:32px;max-width:1200px}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;line-height:1;border:1px solid transparent;
  transition:transform var(--ease),background-color var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:8px}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:#cbe83a;color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:#fff;color:var(--green);border-color:var(--green)}
.btn-outline:hover{background:var(--green-soft);color:var(--green);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-outline:active{transform:scale(.98)}
.btn-ink{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-ink:hover{background:#1b221d;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(15,19,16,.35)}
.btn-ghost:hover{background:rgba(15,19,16,.06);border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}

.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--green);margin-top:14px}
.text-link svg{width:16px;height:16px;transition:transform var(--ease)}
.text-link:hover svg{transform:translateX(3px)}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.sec-title{position:relative;padding-left:18px;font-size:32px;font-weight:700;line-height:1.28;letter-spacing:-.01em;color:var(--ink)}
.sec-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--green)}
.sec-desc{font-size:15px;line-height:1.8;color:var(--muted);margin-top:10px;max-width:660px}

[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity 420ms ease,transform 420ms ease}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;transition:box-shadow var(--ease)}
.site-header.is-compact{box-shadow:var(--sh-1)}
.brand-row{background:#fff;border-bottom:1px solid var(--line)}
.brand-row-inner{display:flex;align-items:center;justify-content:space-between;height:52px;transition:height var(--ease)}
.brand{display:flex;align-items:baseline;gap:8px}
.brand-mark{font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--ink);transition:font-size var(--ease)}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--muted)}
.brand-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--green);
  transition:all var(--ease);
}
.icon-btn:hover{border-color:var(--green);background:var(--green-soft);color:var(--green)}
.icon-btn svg{width:18px;height:18px}
.menu-toggle{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);align-items:center;justify-content:center}
.menu-toggle svg{width:20px;height:20px}

.channel-row{background:#fff;border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:24px;height:54px;transition:height var(--ease)}
.main-nav{display:flex;align-items:center;gap:22px;flex:0 1 auto}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;white-space:nowrap;transition:color var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--green);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav a:hover{color:var(--green)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--green);font-weight:700}
.main-nav a.is-active::after{transform:scaleX(1)}

.hot-words{display:flex;align-items:center;gap:14px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;font-size:13px}
.hot-words::-webkit-scrollbar{display:none}
.hot-words a{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;font-size:13px;color:var(--muted)}
.hot-words a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--orange)}
.hot-words a:hover{color:var(--orange)}

.search-wrap{position:relative;display:flex;align-items:center;gap:8px;flex:0 0 auto}
.search-form{display:none;align-items:center;gap:8px}
.search-wrap.is-open .search-form{display:flex}
.search-form input{
  height:38px;width:220px;border:1px solid var(--line);border-radius:10px;
  padding:0 12px;font-size:14px;color:var(--text);background:var(--warm);
  transition:all var(--ease);
}
.search-form input:focus{outline:none;border-color:var(--green);background:#fff;box-shadow:0 0 0 3px rgba(216,242,75,.45)}
.search-submit{height:38px;padding:0 14px;border-radius:10px;border:1px solid var(--green);background:#fff;color:var(--green);font-size:14px;font-weight:600;transition:all var(--ease)}
.search-submit:hover{background:var(--green-soft)}

.site-header.is-compact .brand-row-inner{height:44px}
.site-header.is-compact .brand-mark{font-size:17px}
.site-header.is-compact .brand-sub{display:none}
.site-header.is-compact .channel-inner{height:46px}
.site-header.is-compact .hot-words{display:none}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;width:84%;max-width:360px;background:#fff;z-index:200;
  transform:translateX(-102%);transition:transform 260ms cubic-bezier(.2,.6,.2,1);
  display:flex;flex-direction:column;padding:20px;box-shadow:var(--sh-2);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-nav{display:flex;flex-direction:column;margin:8px 0 0;overflow-y:auto;flex:1}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--green);font-weight:700}
.drawer-foot{padding-top:18px}
.drawer-foot .btn{width:100%}
.drawer-mask{position:fixed;inset:0;background:rgba(15,19,16,.45);z-index:150;opacity:0;visibility:hidden;transition:opacity 260ms var(--ease),visibility 260ms var(--ease)}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:60px 0 48px;
}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(15,19,16,.62)}
.page-hero .hero-inner{position:relative;z-index:2;color:#fff}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:#fff}
.crumbs em{font-style:normal;color:rgba(255,255,255,.4)}
.page-hero h1{font-size:46px;font-weight:800;line-height:1.16;letter-spacing:-.01em;color:#fff;max-width:860px}
.page-hero .hero-sub{margin-top:14px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags a{
  font-size:13px;color:rgba(255,255,255,.85);padding:6px 14px;
  border:1px solid rgba(255,255,255,.3);border-radius:var(--r-pill);transition:all var(--ease);
}
.hero-tags a:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff}
.hero-tags a.is-active{background:var(--lime);color:var(--ink);border-color:var(--lime);font-weight:700}

/* ---------- FAQ 主区 ---------- */
.faq-section{padding:88px 0 72px;background:var(--warm)}
.index-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--muted);margin-bottom:14px}
.index-list{display:flex;flex-direction:column}
.index-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 0;font-size:15px;color:var(--text);border-bottom:1px solid var(--line);
  transition:color var(--ease),padding-left var(--ease);
}
.index-list li:last-child a{border-bottom:0}
.index-list a:hover{color:var(--green);padding-left:4px}
.index-list a.is-active{color:var(--green);font-weight:700}
.index-list a span{font-size:12px;color:var(--muted)}

.contact-card{margin-top:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:border-color var(--ease)}
.contact-card:hover{border-color:var(--green)}
.contact-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--warm)}
.contact-body{padding:20px}
.contact-body h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px}
.contact-body p{font-size:14px;line-height:1.75;color:var(--muted)}

.faq-cols .cell{margin-bottom:0}
.faq-accordion{background:transparent;border:0;margin:0}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:12px;
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-accordion .accordion-item:hover{border-color:var(--green)}
.faq-accordion .accordion-item.is-active{
  border-color:var(--green);
  box-shadow:inset 3px 0 0 var(--green),var(--sh-1);
}
.faq-accordion .accordion-title{
  display:block;position:relative;
  padding:18px 48px 18px 22px;
  border:0;border-radius:0;background:#fff;
  font-size:17px;font-weight:700;line-height:1.5;color:var(--ink);
  transition:color var(--ease);
}
.faq-accordion .accordion-title::before{content:none}
.faq-accordion .accordion-title:hover{color:var(--green)}
.q-icon{position:absolute;right:20px;top:50%;width:16px;height:16px;transform:translateY(-50%)}
.q-icon::before,.q-icon::after{
  content:"";position:absolute;background:var(--green);border-radius:1px;
  transition:transform var(--ease),opacity var(--ease);
}
.q-icon::before{left:0;top:7px;width:16px;height:2px}
.q-icon::after{left:7px;top:0;width:2px;height:16px}
.accordion-item.is-active .q-icon::after{transform:rotate(90deg);opacity:0}
.faq-accordion .accordion-content{
  padding:0 22px 18px 22px;border:0;background:#fff;
  color:var(--muted);font-size:16px;line-height:1.8;
}
.faq-accordion .accordion-content p{margin:0}

/* ---------- 三步排查 ---------- */
.how-section{padding:0 0 88px;background:var(--warm)}
.step-row{display:flex;gap:24px;position:relative;padding-bottom:32px}
.step-row:last-child{padding-bottom:0}
.step-row::before{content:"";position:absolute;left:31px;top:64px;bottom:0;width:1px;background:var(--line)}
.step-row:last-child::before{display:none}
.step-num{
  flex:0 0 64px;width:64px;height:64px;border-radius:12px;background:#fff;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:900;color:var(--green);font-feature-settings:"tnum";
  transition:border-color var(--ease),background-color var(--ease),color var(--ease);
}
.step-row:hover .step-num{background:var(--green);border-color:var(--green);color:#fff}
.step-body{padding-top:6px}
.step-body h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:6px}
.step-body p{font-size:16px;line-height:1.8;color:var(--muted);max-width:660px}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--lime);padding:72px 0}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.09;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-inner{position:relative;z-index:1;max-width:840px}
.cta-band h2{font-size:38px;font-weight:800;line-height:1.22;letter-spacing:-.01em;color:var(--ink)}
.cta-band p{margin-top:14px;font-size:17px;line-height:1.8;color:rgba(15,19,16,.72);max-width:660px}
.cta-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.62);padding:72px 0 0;font-size:14px}
.footer-brand .brand-mark{color:#fff;font-size:20px}
.footer-brand .brand-sub{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.58);max-width:320px}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:7px 0;transition:color var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:14px;line-height:1.6;color:rgba(255,255,255,.62);padding:7px 0}
.footer-bottom{
  margin-top:56px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .page-hero h1{font-size:40px}
}
@media (max-width:1023px){
  .grid-container.rl-container{padding-left:24px;padding-right:24px}
  .main-nav{gap:18px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
  .main-nav::-webkit-scrollbar{display:none}
  .hot-words{display:none}
  .search-wrap{display:none}
  .page-hero{padding:48px 0 40px}
  .page-hero h1{font-size:34px}
  .faq-section{padding:64px 0 56px}
  .how-section{padding-bottom:64px}
  .sec-title{font-size:26px}
  .cta-band h2{font-size:30px}
  .index-panel{margin-bottom:24px}
}
@media (max-width:767px){
  body{font-size:16px}
  .grid-container.rl-container{padding-left:20px;padding-right:20px}
  .brand-row-inner{height:56px}
  .brand-mark{font-size:17px}
  .brand-sub{font-size:10px}
  .channel-row{display:none}
  .menu-toggle{display:inline-flex}
  .brand-actions .btn-sm{display:none}
  .page-hero{padding:38px 0 34px}
  .page-hero h1{font-size:28px;line-height:1.24}
  .page-hero .hero-sub{font-size:15px;margin-top:12px}
  .hero-tags{margin-top:20px;gap:8px}
  .hero-tags a{font-size:12px;padding:5px 12px}
  .faq-section{padding:48px 0 44px}
  .sec-title{font-size:23px;padding-left:14px}
  .sec-title::before{top:6px;bottom:6px;width:3px}
  .sec-head{margin-bottom:28px}
  .faq-accordion .accordion-title{font-size:16px;padding:16px 46px 16px 18px}
  .faq-accordion .accordion-content{padding:0 18px 16px 18px;font-size:15px}
  .q-icon{right:16px;width:14px;height:14px}
  .q-icon::before{width:14px;top:6px}
  .q-icon::after{height:14px;left:6px}
  .step-row{gap:16px;padding-bottom:26px}
  .step-num{flex:0 0 52px;width:52px;height:52px;font-size:19px;border-radius:10px}
  .step-row::before{left:25px;top:52px}
  .step-body h3{font-size:18px}
  .step-body p{font-size:15px}
  .cta-band{padding:52px 0}
  .cta-band h2{font-size:25px}
  .cta-band p{font-size:15px}
  .cta-actions{flex-direction:column;align-items:stretch;gap:12px}
  .cta-actions .btn{width:100%;height:48px}
  .site-footer{padding:52px 0 0}
  .footer-col{margin-top:28px}
  .footer-bottom{margin-top:36px;flex-direction:column;gap:8px}
}
@media (max-width:519px){
  .page-hero h1{font-size:25px}
  .btn{height:48px;padding:0 22px;font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}
@media (min-width:768px){
  .nav-drawer,.drawer-mask,.menu-toggle{display:none}
}

/* roulang page: category5 */
:root{
  --green:#14563F;
  --green-lt:#1E7A57;
  --lime:#D8F24B;
  --orange:#E4552B;
  --ink:#0F1310;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --line:#E4E2DA;
  --text:#3A423D;
  --muted:#6E7A73;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(15,19,16,.05);
  --sh2:0 8px 24px rgba(15,19,16,.10);
  --s1:16px;
  --s2:24px;
  --s3:32px;
  --ease:cubic-bezier(.2,.6,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-0.01em}
p{margin:0 0 1em}
ul,li{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none;transition:color .18s var(--ease)}
a:hover,a:focus{color:var(--green-lt)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:16px;color:var(--text)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

.grid-container.rl-container{max-width:1200px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto}
.grid-container.rl-container .grid-x{margin-left:-12px;margin-right:-12px}
.grid-container.rl-container .cell{padding-left:12px;padding-right:12px}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:box-shadow .22s var(--ease)}
.topbar{background:var(--bg);border-bottom:1px solid var(--line);transition:height .22s var(--ease)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:40px}
.brand{display:flex;align-items:baseline;gap:8px;min-width:0}
.brand-mark{font-size:18px;font-weight:900;color:var(--ink);letter-spacing:-0.02em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.1em;white-space:nowrap}
.brand:hover .brand-mark{color:var(--green)}
.topbar-actions{display:flex;align-items:center;gap:12px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;color:var(--text);transition:background .18s var(--ease),color .18s var(--ease)}
.icon-btn:hover{background:#EDEBE3;color:var(--green)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border-radius:var(--r-btn);font-size:16px;font-weight:700;border:1px solid transparent;transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#CBE63A;color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-ghost{background:#fff;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#fff;transform:translateY(-1px)}
.btn:active{transform:scale(.98)}
.btn-sm{height:34px;padding:0 16px;font-size:13px;border-radius:8px}
.navbar{border-bottom:1px solid var(--line);background:#fff;transition:height .22s var(--ease)}
.navbar-inner{display:flex;align-items:center;gap:24px;height:46px}
.main-nav{display:flex;align-items:center;gap:22px;flex:0 0 auto}
.main-nav a{position:relative;font-size:15px;color:var(--text);padding:12px 0;white-space:nowrap}
.main-nav a:hover{color:var(--green)}
.main-nav a.is-active{color:var(--green);font-weight:700}
.main-nav a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;background:var(--green);border-radius:2px}
.hotline{display:flex;align-items:center;gap:14px;overflow-x:auto;scrollbar-width:none;flex:1 1 auto}
.hotline::-webkit-scrollbar{display:none}
.hotline a{display:inline-flex;align-items:center;font-size:13px;color:var(--muted);white-space:nowrap}
.hotline a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--orange);margin-right:6px}
.hotline a:hover{color:var(--green)}
.nav-search{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-search .search-field{width:0;opacity:0;padding:0;border:0;pointer-events:none;transition:width .22s var(--ease),opacity .22s var(--ease)}
.nav-search.is-open .search-field{width:220px;opacity:1;pointer-events:auto;height:34px;border-radius:8px;border:1px solid var(--line);padding:0 12px;background:#fff}
.nav-search.is-open .search-field:focus{border-color:var(--green);outline:none;box-shadow:0 0 0 2px rgba(216,242,75,.7)}
.nav-search .search-submit{display:none}
.nav-search.is-open .search-submit{display:inline-flex}
.hamburger{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:8px;color:var(--ink)}
.site-header.is-stuck{box-shadow:var(--sh2)}
.site-header.is-stuck .topbar{height:0;overflow:hidden;border-bottom-color:transparent}
.site-header.is-stuck .topbar-inner{height:0}
.site-header.is-stuck .navbar-inner{height:60px}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(15,19,16,.45);opacity:0;pointer-events:none;transition:opacity .22s var(--ease);z-index:80}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;left:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:90;transform:translateX(-102%);transition:transform .26s var(--ease);display:flex;flex-direction:column;padding:20px 20px calc(20px + env(safe-area-inset-bottom));overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:8px}
.drawer nav a{display:block;line-height:48px;font-size:15px;color:var(--text);border-bottom:1px solid #F1EFE8}
.drawer nav a.is-active{color:var(--green);font-weight:700}
.drawer .drawer-hot{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.drawer .drawer-hot a{font-size:13px;color:var(--muted);background:var(--bg);border-radius:var(--r-pill);padding:6px 12px}
.drawer .btn{width:100%;margin-top:auto}

/* ============ 页头 Banner ============ */
.page-hero{
  position:relative;
  color:#fff;
  background-image:linear-gradient(104deg,rgba(15,19,16,.86),rgba(20,86,63,.55)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  padding:64px 0 0;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.crumbs{font-size:13px;color:rgba(255,255,255,.72);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:var(--lime)}
.crumbs span.sep{opacity:.5}
.page-hero h1{color:#fff;font-size:46px;font-weight:800;line-height:1.16;letter-spacing:-0.01em;max-width:820px;margin-bottom:18px}
.page-hero .hero-sub{color:rgba(255,255,255,.86);font-size:16px;line-height:1.8;max-width:680px;margin-bottom:28px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:var(--lime);color:var(--ink);font-size:12px;font-weight:700;letter-spacing:.06em;border-radius:var(--r-pill);padding:6px 14px;margin-bottom:22px}
.anchor-bar{display:flex;gap:26px;overflow-x:auto;scrollbar-width:none;border-top:1px solid rgba(255,255,255,.16);padding:0;margin-top:8px}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{position:relative;display:inline-block;padding:16px 2px;font-size:14px;color:rgba(255,255,255,.74);white-space:nowrap}
.anchor-bar a:hover{color:#fff}
.anchor-bar a.is-active{color:var(--lime);font-weight:700}
.anchor-bar a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section.tight{padding-top:72px}
.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-title{position:relative;padding-left:20px;font-size:32px;line-height:1.28}
.sec-title::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:24px;border-radius:2px;background:var(--green)}
.sec-desc{margin-top:12px;font-size:16px;color:var(--muted);max-width:660px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--green);border:1px solid rgba(20,86,63,.28);border-radius:var(--r-pill);padding:3px 12px;margin-bottom:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--green)}
.text-link svg{transition:transform .18s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}

/* ============ 平台介绍 ============ */
.about-copy p{font-size:17px;line-height:1.88;color:var(--text);margin-bottom:1.1em}
.about-copy p:last-child{margin-bottom:0}
.about-points{margin-top:28px;display:grid;gap:14px}
.about-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text)}
.about-points .dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--green);margin-top:11px}
.frame{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--sh1)}
.frame img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;background:var(--bg)}
.frame figcaption{font-size:13px;color:var(--muted);padding:10px 6px 2px;line-height:1.6}
.frame-stamp{position:absolute;right:-8px;top:-8px;background:var(--orange);color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;border-radius:var(--r-pill);padding:6px 14px;box-shadow:var(--sh1)}

/* ============ 服务数据带 ============ */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1)}
.stat{padding:28px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .num{display:block;font-size:44px;font-weight:900;line-height:1;color:var(--green);letter-spacing:-0.02em}
.stat .num small{font-size:16px;font-weight:700;margin-left:2px}
.stat .label{display:block;margin-top:10px;font-size:13px;color:var(--muted);line-height:1.6}

/* ============ 时间轴 ============ */
.timeline{border-left:1px solid var(--line);margin-left:12px;padding-left:32px}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-43px;top:6px;width:22px;height:22px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px var(--bg)}
.tl-item h3{font-size:20px;margin-bottom:6px}
.tl-item p{font-size:15.5px;color:var(--text);line-height:1.8;margin:0}
.tl-item .tl-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--orange);letter-spacing:.08em;margin-bottom:6px}

/* ============ 合作方向 ============ */
.coop-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);transition:border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);overflow:hidden;height:100%}
.coop-card:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:var(--sh2)}
.coop-card .coop-body{padding:26px}
.coop-card h3{font-size:22px;margin-bottom:10px}
.coop-card p{font-size:15.5px;color:var(--text);line-height:1.82;margin-bottom:14px}
.coop-card .coop-img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg)}
.coop-card .badge{display:inline-block;font-size:12px;font-weight:700;color:var(--orange);background:rgba(228,85,43,.1);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:12px}
.coop-card.compact{padding:0;margin-bottom:24px}
.coop-card.compact:last-child{margin-bottom:0}
.coop-card.compact .coop-body{padding:22px 24px}
.coop-card.compact h3{font-size:19px}
.coop-card ul{margin-top:6px}
.coop-card ul li{position:relative;padding-left:16px;font-size:14.5px;color:var(--muted);line-height:1.8}
.coop-card ul li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--green) }

/* ============ 联系表单 ============ */
.contact-band{background:#fff;border:1px solid var(--line);border-radius:18px;padding:40px;box-shadow:var(--sh1)}
.contact-copy h3{font-size:22px;margin-bottom:12px}
.contact-copy p{font-size:15.5px;line-height:1.85;color:var(--text)}
.contact-copy .meta-list{margin-top:24px;border-top:1px solid var(--line);padding-top:20px;display:grid;gap:10px}
.contact-copy .meta-list li{font-size:14px;color:var(--muted);line-height:1.7;display:flex;gap:10px}
.contact-copy .meta-list strong{color:var(--ink);font-weight:700;flex:0 0 auto}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field label .req{color:var(--orange);margin-left:2px}
.field input[type="text"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;height:48px;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;font-size:16px;color:var(--text);transition:border-color .18s var(--ease),box-shadow .18s var(--ease);appearance:none;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical}
.field select{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236E7A73' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green);outline:none;box-shadow:0 0 0 2px rgba(216,242,75,.85)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--orange)}
.field .err{display:none;font-size:13px;color:var(--orange);margin-top:6px}
.field.has-error .err{display:block}
.form-note{font-size:13px;color:var(--muted);line-height:1.7;margin-top:14px}
.form-feedback{display:none;margin-top:16px;background:rgba(20,86,63,.07);border:1px solid rgba(20,86,63,.25);border-radius:var(--r-btn);padding:14px 16px;font-size:14px;color:var(--green);line-height:1.7}
.form-feedback.is-visible{display:block}
.form-foot{font-size:13px;color:var(--muted);margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
ul.accordion.rl-accordion{border:0;background:transparent;margin:0}
.rl-accordion .accordion-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;position:relative;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.rl-accordion .accordion-item:hover{border-color:var(--green)}
.rl-accordion .accordion-item.is-active{border-color:var(--green);box-shadow:var(--sh1)}
.rl-accordion .accordion-item.is-active::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--green)}
.rl-accordion .accordion-title{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:17px;font-weight:700;color:var(--ink);background:#fff;border:0;line-height:1.6}
.rl-accordion .accordion-title:hover,.rl-accordion .accordion-title:focus{background:#fff;color:var(--green)}
.rl-accordion .acc-icon{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;color:var(--green);transition:transform .22s var(--ease)}
.rl-accordion .accordion-item.is-active .acc-icon{transform:rotate(180deg)}
.rl-accordion .accordion-content{padding:0 22px}
.rl-accordion .accordion-content p{font-size:16px;line-height:1.8;color:var(--text);padding:16px 0;margin:0;border-top:1px solid var(--line)}

/* ============ 结尾 CTA ============ */
.cta-section{padding:96px 0}
.cta-inner{
  position:relative;border-radius:18px;padding:56px 48px;text-align:left;
  background-image:linear-gradient(100deg,rgba(247,246,241,.96),rgba(247,246,241,.9)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;border:1px solid var(--line);
}
.cta-inner h2{font-size:32px;line-height:1.28;margin-bottom:12px;max-width:640px}
.cta-inner p{font-size:16px;color:var(--muted);max-width:620px;margin-bottom:28px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 24px;margin-top:0}
.site-footer .footer-brand .brand-mark{color:#fff}
.site-footer .footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.site-footer .footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-top:14px;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.68);line-height:2.1;transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-col li{font-size:14px;color:rgba(255,255,255,.68);line-height:2.1;list-style:none}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid rgba(255,255,255,.14);margin-top:48px;padding-top:20px;font-size:12px;color:rgba(255,255,255,.5)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media screen and (max-width:1279px){
  .grid-container.rl-container{max-width:1100px}
  .page-hero h1{font-size:40px}
}
@media screen and (max-width:1023px){
  body{font-size:16.5px}
  .grid-container.rl-container{padding-left:24px;padding-right:24px}
  .section{padding:72px 0}
  .cta-section{padding:72px 0}
  .page-hero h1{font-size:36px}
  .sec-title{font-size:27px}
  .main-nav{gap:16px}
  .main-nav a{font-size:14px}
  .hotline{display:none}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .contact-band{padding:28px}
  .cta-inner{padding:44px 32px}
  .cta-inner h2{font-size:27px}
}
@media screen and (max-width:767px){
  .topbar-actions .btn-sm{display:none}
  .hamburger{display:inline-flex}
  .navbar-inner{height:52px;gap:12px}
  .main-nav{display:none}
  .nav-search{margin-left:auto}
  .nav-search.is-open .search-field{width:140px}
  .page-hero{padding-top:44px}
  .page-hero h1{font-size:30px;margin-bottom:14px}
  .page-hero .hero-sub{font-size:15px;margin-bottom:22px}
  .anchor-bar{gap:20px}
  .section{padding:56px 0}
  .sec-title{font-size:24px}
  .sec-title::before{height:20px}
  .about-copy p{font-size:16px}
  .stat{padding:22px 18px}
  .stat .num{font-size:34px}
  .timeline{padding-left:24px;margin-left:8px}
  .tl-item::before{left:-35px;width:18px;height:18px}
  .contact-band{padding:22px;border-radius:var(--r-card)}
  .cta-inner{padding:36px 22px;border-radius:var(--r-card)}
  .cta-inner h2{font-size:24px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .rl-accordion .accordion-title{font-size:16px;padding:16px 18px}
  .rl-accordion .accordion-content{padding:0 18px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column}
}
@media screen and (max-width:519px){
  .grid-container.rl-container{padding-left:20px;padding-right:20px}
  .page-hero h1{font-size:27px}
  .stats-band{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .brand-mark{font-size:16px}
  .brand-sub{font-size:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .btn:hover,.coop-card:hover{transform:none}
}