/* roulang page: index */
:root{
  --ink-900:#0A0F0D;
  --ink-800:#121A17;
  --ink-700:#1C2622;
  --paper:#F7F8F5;
  --card:#FFFFFF;
  --neon:#14E39A;
  --neon-deep:#0B7A54;
  --neon-soft:rgba(20,227,154,.12);
  --neon-line:rgba(20,227,154,.5);
  --ember:#FF6A2B;
  --t1:#101613;
  --t2:#3A4640;
  --t3:#6E7C75;
  --d1:#E7F1EC;
  --d2:#B9C8C1;
  --d3:#7E8F88;
  --line-light:rgba(16,22,19,.08);
  --line-dark:rgba(255,255,255,.08);
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(16,22,19,.05),0 10px 28px -14px rgba(16,22,19,.16);
  --sh-card-hover:0 2px 4px rgba(16,22,19,.06),0 18px 38px -16px rgba(16,22,19,.22);
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--t2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.neon-divider{
  height:1px;
  border:0;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}
.section{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.4;
  font-weight:800;
  color:var(--t1);
  letter-spacing:.01em;
}
.section-head .lead{
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:var(--t3);
  max-width:640px;
}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--neon-deep);
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 0;
  border-bottom:1px solid rgba(20,227,154,.45);
  transition:color .2s,border-color .2s,gap .2s;
}
.link-more:hover{color:var(--t1);border-color:var(--neon);gap:10px;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,15,13,.95);
  backdrop-filter:blur(10px);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:10px;
  background:linear-gradient(140deg,#19F2A6,#0A9C68);
  position:relative;
  clip-path:polygon(22% 0,100% 0,100% 78%,78% 100%,0 100%,0 22%);
  flex-shrink:0;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:12px;
  top:12px;
  width:11px;
  height:6px;
  border-left:3px solid #06251A;
  border-bottom:3px solid #06251A;
  transform:rotate(-45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:15px;font-weight:700;color:var(--d1);letter-spacing:.04em;}
.brand-text span{font-size:11px;color:var(--d3);letter-spacing:.06em;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--d2);
  padding:10px 12px;
  border-radius:10px;
  transition:color .12s ease,background-color .12s ease;
}
.nav-menu a:hover{color:var(--neon);background:rgba(20,227,154,.06);}
.nav-menu a.active{
  color:var(--neon);
  background:rgba(20,227,154,.08);
  text-shadow:0 0 14px rgba(20,227,154,.35);
}
.nav-menu a.active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--neon);
  box-shadow:0 0 10px rgba(20,227,154,.7);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:42px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--ember);
  color:#FFF8F4;
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:transform .18s,box-shadow .18s,filter .18s;
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(255,106,43,.6);}
.nav-cta:active{transform:translateY(0);box-shadow:none;}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:10px;
  border:1px solid var(--line-dark);
  color:var(--d1);
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:currentColor;
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:70;
  background:rgba(10,15,13,.98);
  padding:28px 24px 40px;
  overflow-y:auto;
}
.mobile-drawer.open{display:block;}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:28px;
}
.drawer-close{
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line-dark);
  color:var(--d1);font-size:18px;line-height:1;
}
.drawer-nav a{
  display:block;
  padding:16px 0 16px 18px;
  font-size:16px;
  font-weight:500;
  color:var(--d2);
  border-bottom:1px solid var(--line-dark);
  border-left:3px solid transparent;
}
.drawer-nav a.active,.drawer-nav a:hover{
  color:var(--neon);
  border-left-color:var(--neon);
  background:rgba(20,227,154,.06);
}
.drawer-cta{
  display:block;
  margin-top:28px;
  text-align:center;
  height:48px;
  line-height:48px;
  border-radius:var(--r-btn);
  background:var(--ember);
  color:#FFF8F4;
  font-weight:600;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--ink-900);
  padding:72px 0 88px;
}
.hero::before{
  content:"";
  position:absolute;
  width:620px;height:620px;
  top:-260px;left:-180px;
  background:radial-gradient(circle,rgba(20,227,154,.16),transparent 65%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  bottom:-280px;right:-160px;
  background:radial-gradient(circle,rgba(255,106,43,.10),transparent 65%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(20,227,154,.16);
  color:var(--neon);
  font-size:12px;
  letter-spacing:.02em;
  margin-bottom:24px;
}
.hero-tag i{
  width:6px;height:6px;border-radius:50%;
  background:var(--ember);
  box-shadow:0 0 8px rgba(255,106,43,.9);
}
.hero h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.3;
  font-weight:800;
  color:var(--d1);
  letter-spacing:.01em;
  margin-bottom:20px;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:var(--d2);
  max-width:560px;
  margin-bottom:32px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  transition:transform .18s,box-shadow .18s,background-color .18s,color .18s,border-color .18s;
}
.btn-primary{
  background:var(--ember);
  color:#FFF8F4;
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(255,106,43,.6);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  background:transparent;
  border:1px solid var(--neon-line);
  color:var(--neon);
}
.btn-ghost:hover{background:rgba(20,227,154,.12);}
.btn-outline{
  background:transparent;
  border:1px solid rgba(16,22,19,.18);
  color:var(--t1);
}
.btn-outline:hover{border-color:var(--neon);color:var(--neon-deep);background:rgba(20,227,154,.08);}
.btn[disabled],.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important;box-shadow:none!important;}
.trust-row{
  display:flex;
  gap:44px;
  margin-top:44px;
  flex-wrap:wrap;
}
.trust-item .num{
  font-size:28px;
  font-weight:800;
  color:var(--d1);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.trust-item .num em{font-style:normal;color:var(--neon);font-size:18px;margin-left:2px;}
.trust-item .lbl{font-size:13px;color:var(--d3);margin-top:4px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--line-dark);
}
.float-card{
  position:absolute;
  left:-24px;
  bottom:-28px;
  min-width:200px;
  padding:16px 18px;
  border-radius:14px;
  background:rgba(18,26,23,.94);
  border:1px solid rgba(20,227,154,.45);
  box-shadow:0 0 28px -8px rgba(20,227,154,.45);
  backdrop-filter:blur(8px);
}
.float-card .fc-top{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--neon);
  font-weight:600;
}
.float-card .fc-top i{
  width:8px;height:8px;border-radius:50%;
  background:var(--ember);
  box-shadow:0 0 10px rgba(255,106,43,.9);
}
.float-card .fc-line{
  font-size:13px;
  line-height:1.7;
  color:var(--d2);
  margin-top:6px;
}

/* ---------- 分节标题 ---------- */
.block-light{padding:56px 0;}
.block-light.alt{background:#FFFFFF;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--neon-deep);
  background:var(--neon-soft);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:14px;
}

/* ---------- 三步上手 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
  position:relative;
  margin-top:8px;
}
.steps::before{
  content:"";
  position:absolute;
  top:20px;
  left:8%;
  right:8%;
  border-top:1px dashed rgba(20,227,154,.5);
  z-index:1;
}
.step{position:relative;z-index:2;}
.step-num{
  width:40px;
  height:40px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:#FFFFFF;
  border:1px solid var(--neon-line);
  color:var(--neon-deep);
  font-size:13px;
  font-weight:800;
  letter-spacing:.04em;
  margin-bottom:24px;
  box-shadow:0 0 0 8px #FFFFFF;
}
.step h3{
  font-size:20px;
  font-weight:700;
  color:var(--t1);
  line-height:1.5;
  margin-bottom:12px;
}
.step p{
  font-size:14px;
  line-height:1.9;
  color:var(--t3);
}

/* ---------- 案例证明 ---------- */
.metrics-band{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:4px 4px 18px;
  margin-bottom:36px;
  scrollbar-width:thin;
}
.metrics-band::-webkit-scrollbar{height:6px;}
.metrics-band::-webkit-scrollbar-thumb{background:rgba(20,227,154,.35);border-radius:999px;}
.metric-pill{
  flex:0 0 auto;
  min-width:216px;
  background:#FFFFFF;
  border:1px solid var(--line-light);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--sh-card);
}
.metric-pill .mv{
  font-size:26px;
  font-weight:800;
  color:var(--t1);
  font-variant-numeric:tabular-nums;
  line-height:1.25;
}
.metric-pill .mv em{font-style:normal;color:var(--ember);font-size:16px;margin-left:2px;}
.metric-pill .ml{
  font-size:13px;
  color:var(--t3);
  margin-top:6px;
}
.case-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:24px;
}
.case-card{
  display:flex;
  flex-direction:column;
  background:#FFFFFF;
  border:1px solid var(--line-light);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.case-card:hover{
  transform:translateY(-2px);
  border-color:var(--neon-line);
  box-shadow:var(--sh-card-hover);
}
.case-card img{
  width:100%;
  object-fit:cover;
  border-bottom:1px solid var(--line-light);
}
.case-card.large img{aspect-ratio:16/9;}
.case-card.small img{aspect-ratio:16/9;}
.case-body{padding:22px 24px 24px;}
.case-body h3{
  font-size:18px;
  font-weight:700;
  color:var(--t1);
  line-height:1.55;
  margin-bottom:10px;
}
.case-body p{
  font-size:14px;
  line-height:1.85;
  color:var(--t3);
  margin-bottom:16px;
}
.pill{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  line-height:1;
  background:var(--neon-soft);
  color:var(--neon-deep);
}
.case-stats{display:flex;gap:28px;margin-top:6px;flex-wrap:wrap;}
.case-stats .cs b{
  display:block;
  font-size:20px;
  font-weight:800;
  color:var(--t1);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.case-stats .cs span{font-size:12px;color:var(--t3);}
.case-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}

/* ---------- 支持场景 ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.scene-card{
  background:#FFFFFF;
  border:1px solid var(--line-light);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--sh-card);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.scene-card:hover{
  transform:translateY(-2px);
  border-color:var(--neon-line);
  box-shadow:var(--sh-card-hover);
}
.scene-icon{
  width:42px;height:42px;
  border-radius:12px;
  display:grid;place-items:center;
  background:var(--neon-soft);
  color:var(--neon-deep);
  font-size:16px;
  font-weight:800;
  margin-bottom:16px;
}
.scene-card h3{
  font-size:17px;
  font-weight:700;
  color:var(--t1);
  margin-bottom:10px;
  line-height:1.5;
}
.scene-card p{font-size:14px;line-height:1.85;color:var(--t3);}

/* ---------- 内容列表 CMS ---------- */
.post-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.post-card{
  display:grid;
  grid-template-columns:176px 1fr;
  gap:20px;
  background:#FFFFFF;
  border:1px solid var(--line-light);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--sh-card);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.post-card:hover{
  transform:translateY(-2px);
  border-color:var(--neon-line);
  box-shadow:var(--sh-card-hover);
}
.post-thumb{
  border-radius:12px;
  overflow:hidden;
  background:linear-gradient(140deg,var(--ink-800),var(--ink-700));
}
.post-thumb img{
  width:100%;
  height:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.post-body{display:flex;flex-direction:column;min-width:0;}
.post-cat{display:flex;gap:8px;margin-bottom:10px;}
.post-title{
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:8px;
}
.post-summary{
  font-size:14px;
  line-height:1.8;
  color:var(--t3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:12px;
}
.post-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--t3);
}
.post-meta .arrow{color:var(--neon-deep);font-weight:600;transition:transform .2s;}
.post-card:hover .post-meta .arrow{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;
  border:1px dashed rgba(20,227,154,.4);
  border-radius:14px;
  padding:48px 24px;
  text-align:center;
  color:var(--t3);
}
.empty-state .es-icon{
  width:46px;height:46px;
  margin:0 auto 16px;
  border-radius:12px;
  display:grid;place-items:center;
  background:var(--neon-soft);
  color:var(--neon-deep);
  font-size:20px;
  font-weight:800;
}
.empty-state p{font-size:15px;margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid rgba(16,22,19,.1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  line-height:1.6;
}
.faq-icon{
  flex:0 0 auto;
  width:32px;height:32px;
  border-radius:50%;
  border:1px solid var(--neon-line);
  color:var(--neon-deep);
  display:grid;place-items:center;
  font-size:16px;
  line-height:1;
  transition:transform .2s,border-color .2s,background-color .2s;
}
.faq-item.open .faq-icon{
  transform:rotate(180deg);
  border-color:var(--neon);
  background:var(--neon-soft);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s ease;
}
.faq-item.open .faq-a{
  max-height:320px;
  background:rgba(20,227,154,.06);
  border-radius:10px;
}
.faq-a p{
  padding:14px 18px 18px;
  font-size:15px;
  line-height:1.9;
  color:var(--t2);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--ink-900);
  padding:56px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  width:480px;height:480px;
  top:-240px;right:-140px;
  background:radial-gradient(circle,rgba(20,227,154,.14),transparent 65%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-copy h2{
  font-size:clamp(20px,2.4vw,28px);
  font-weight:800;
  color:var(--d1);
  line-height:1.4;
  margin-bottom:10px;
}
.cta-copy p{font-size:14px;color:var(--d3);}
.cta-form{
  display:flex;
  align-items:flex-start;
  gap:12px;
  flex-wrap:wrap;
}
.cta-field{min-width:260px;}
.cta-field input{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-dark);
  color:var(--d1);
  font-size:14px;
  transition:border-color .18s,box-shadow .18s;
}
.cta-field input::placeholder{color:var(--d3);}
.cta-field input:focus{
  outline:none;
  border-color:rgba(20,227,154,.6);
  box-shadow:0 0 0 2px rgba(20,227,154,.35);
}
.cta-field.error input{border-color:var(--ember);box-shadow:none;}
.cta-field .msg{
  display:none;
  font-size:13px;
  line-height:1.6;
  margin-top:8px;
  color:var(--d3);
}
.cta-field.error .msg{display:block;color:#FF9C6E;}
.cta-field.success input{border-color:rgba(20,227,154,.7);}
.cta-field.success .msg{display:block;color:var(--neon);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:var(--d2);
}
.site-footer .neon-divider{margin:0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
  padding:56px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;}
.footer-brand b{font-size:15px;font-weight:700;color:var(--d1);letter-spacing:.03em;}
.footer-desc{font-size:14px;line-height:1.9;color:var(--d3);max-width:340px;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--d3);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col a,.footer-col span{
  display:block;
  font-size:14px;
  line-height:1.9;
  color:var(--d2);
  padding:3px 0;
  transition:color .18s,transform .18s;
}
.footer-col a:hover{color:var(--neon);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--d3);
}

/* ---------- 响应式 ---------- */
@media (min-width:768px){
  .container{padding:0 32px;}
}
@media (max-width:1024px){
  .nav-menu,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .float-card{left:16px;bottom:-20px;}
  .steps{grid-template-columns:1fr;gap:28px;}
  .steps::before{display:none;}
  .step{padding-left:0;}
  .step-num{margin-bottom:16px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:1fr;}
  .case-side{grid-template-rows:auto auto;grid-template-columns:1fr;}
  .post-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767px){
  .section,.block-light{padding:44px 0;}
  .hero{padding:52px 0 68px;}
  .trust-row{gap:28px;row-gap:20px;}
  .trust-item{flex:1 1 40%;}
  .hero-actions .btn{width:100%;}
  .post-card{grid-template-columns:1fr;gap:16px;}
  .post-thumb img{aspect-ratio:16/9;}
  .case-stats{gap:20px;}
  .cta-inner{flex-direction:column;align-items:stretch;}
  .cta-field{min-width:0;width:100%;}
  .cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{margin-bottom:28px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .scene-grid{grid-template-columns:1fr;}
  .step h3{font-size:18px;}
  .metric-pill{min-width:180px;}
  .float-card{position:static;margin-top:16px;left:auto;bottom:auto;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0A0F0D;
  --ink-800:#121A17;
  --ink-700:#1C2622;
  --paper:#F7F8F5;
  --card:#FFFFFF;
  --neon:#14E39A;
  --ember:#FF6A2B;
  --t-strong:#101613;
  --t-body:#3A4640;
  --t-muted:#6E7C75;
  --d-strong:#E7F1EC;
  --d-body:#B9C8C1;
  --d-muted:#7E8F88;
  --neon-08:rgba(20,227,154,.08);
  --neon-12:rgba(20,227,154,.12);
  --neon-16:rgba(20,227,154,.16);
  --neon-50:rgba(20,227,154,.5);
  --line-soft:rgba(16,22,19,.08);
  --line-dark:rgba(255,255,255,.08);
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-card:0 1px 2px rgba(16,22,19,.05),0 10px 28px -14px rgba(16,22,19,.16);
  --shadow-hover:0 2px 6px rgba(16,22,19,.06),0 18px 36px -18px rgba(16,22,19,.24);
  --maxw:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--t-body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t-strong);font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}

.neon-divider{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,15,13,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-dark);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:72px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;display:block;position:relative;
  background:linear-gradient(140deg,var(--neon),#0B7A54);
  clip-path:polygon(22% 0,100% 0,100% 78%,78% 100%,0 100%,0 22%);
}
.brand-mark::after{
  content:"";position:absolute;left:9px;top:8px;width:14px;height:8px;
  border-left:3px solid var(--ink-900);border-bottom:3px solid var(--ink-900);
  transform:rotate(-45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text .b-top{color:var(--d-strong);font-size:17px;font-weight:800;letter-spacing:.04em;}
.brand-text .b-sub{color:var(--d-muted);font-size:11px;letter-spacing:.16em;text-transform:uppercase;}

.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu a{
  position:relative;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--d-body);
  transition:color .12s ease,background .12s ease;
  white-space:nowrap;
}
.nav-menu a:hover{color:var(--neon);background:var(--neon-08);}
.nav-menu a.active{
  color:var(--neon);
  background:var(--neon-08);
  text-shadow:0 0 14px rgba(20,227,154,.35);
}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--neon);border-radius:2px;
}
.header-cta{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;width:44px;height:40px;border-radius:10px;
  background:transparent;border:1px solid var(--neon-50);
  cursor:pointer;position:relative;
}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--neon);border-radius:2px;
}
.menu-toggle span{top:19px;}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:transform .15s ease,background .15s ease,box-shadow .15s ease,color .15s ease;
}
.btn-primary{
  background:var(--ember);color:#fff;
  box-shadow:0 8px 20px -12px rgba(255,106,43,.7);
}
.btn-primary:hover{background:#ff7d45;transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(255,106,43,.6);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--neon);border-color:var(--neon-50);
}
.btn-ghost:hover{background:var(--neon-12);}
.btn-ghost:active{background:var(--neon-16);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;color:var(--d-body);
  background:
    linear-gradient(120deg,rgba(10,15,13,.94),rgba(10,15,13,.78) 55%,rgba(18,26,23,.86)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat,
    var(--ink-900);
  padding:44px 0 48px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 240px at 12% 0%,rgba(20,227,154,.16),transparent 70%),
    radial-gradient(420px 220px at 92% 100%,rgba(255,106,43,.12),transparent 70%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}
.cat-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--d-muted);margin-bottom:16px;
}
.breadcrumb a{color:var(--d-body);transition:color .12s ease;}
.breadcrumb a:hover{color:var(--neon);}
.breadcrumb .sep{color:rgba(126,143,136,.7);}
.breadcrumb .current{color:var(--neon);}
.cat-hero h1{
  color:var(--d-strong);
  font-size:clamp(28px,4.2vw,46px);line-height:1.3;font-weight:800;
  max-width:820px;
}
.cat-hero .hero-sub{
  margin-top:14px;font-size:16px;color:var(--d-body);max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.4;
  background:var(--neon-16);color:var(--neon);border:1px solid rgba(20,227,154,.28);
}
.pill-light{background:var(--neon-12);color:#0B7A54;border:1px solid rgba(20,227,154,.22);}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:88px 0;}}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.4;}
.section-head p{margin-top:12px;font-size:15px;color:var(--t-muted);}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:#0B7A54;background:var(--neon-12);
  padding:6px 12px;border-radius:var(--r-pill);margin-bottom:14px;
}

/* ---------- 正文双栏 ---------- */
.layout-2col{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){
  .layout-2col{grid-template-columns:8fr 4fr;gap:40px;align-items:start;}
}
.split{
  display:grid;grid-template-columns:1fr;gap:22px;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:22px;
  transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease;
}
@media (min-width:768px){
  .split{grid-template-columns:5fr 7fr;gap:26px;align-items:center;padding:26px;}
}
.split:hover{border-color:var(--neon-50);box-shadow:var(--shadow-hover);}
.split + .split{margin-top:24px;}
.split-media{border-radius:var(--r-img);overflow:hidden;position:relative;aspect-ratio:16/10;background:linear-gradient(140deg,var(--ink-800),var(--ink-700));}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-body h3{font-size:20px;line-height:1.5;margin-bottom:10px;}
.split-body p{font-size:15.5px;line-height:1.95;color:var(--t-body);}
.split-body p + p{margin-top:12px;}
.plain-block{margin-top:24px;}
.plain-block h3{font-size:20px;margin-bottom:10px;}
.plain-block p + p{margin-top:12px;}

/* ---------- 侧栏 ---------- */
@media (min-width:1024px){
  .sticky-col{position:sticky;top:96px;}
}
.side-card{
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:22px;
}
.side-card + .side-card{margin-top:20px;}
.side-card h3{font-size:17px;margin-bottom:14px;}
.side-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 0;border-bottom:1px dashed rgba(16,22,19,.1);
  font-size:14.5px;color:var(--t-body);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li::before{
  content:"";flex:0 0 8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--neon);
}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 0;font-size:14.5px;color:var(--t-body);
  border-bottom:1px solid rgba(16,22,19,.07);
  transition:color .12s ease,padding-left .12s ease;
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:#0B7A54;padding-left:4px;}

/* ---------- 条目清单 ---------- */
.item-list{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.item-list{grid-template-columns:repeat(2,minmax(0,1fr));}}
.item-card{
  display:grid;grid-template-columns:132px 1fr;gap:18px;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:16px;
  transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.item-card:hover{transform:translateY(-2px);border-color:var(--neon-50);box-shadow:var(--shadow-hover);}
.item-thumb{
  aspect-ratio:16/10;border-radius:12px;overflow:hidden;
  background:linear-gradient(140deg,var(--ink-800),var(--ink-700));
}
.item-thumb img{width:100%;height:100%;object-fit:cover;}
.item-body h3{font-size:17px;line-height:1.55;margin:8px 0 6px;font-weight:600;}
.item-body p{font-size:14px;line-height:1.8;color:var(--t-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.item-meta{margin-top:12px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t-muted);}
.item-meta .arrow{color:#0B7A54;font-weight:700;transition:transform .16s ease;}
.item-card:hover .item-meta .arrow{transform:translateX(3px);}

/* ---------- 流程条 ---------- */
.flow{background:var(--ink-900);color:var(--d-body);position:relative;overflow:hidden;}
.flow::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(480px 220px at 80% 10%,rgba(20,227,154,.14),transparent 70%);
  pointer-events:none;
}
.flow .container{position:relative;z-index:1;}
.flow h2{color:var(--d-strong);}
.flow .section-head p{color:var(--d-muted);}
.flow-track{display:grid;grid-template-columns:1fr;gap:0;}
@media (min-width:768px){.flow-track{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
.flow-step{
  position:relative;padding:20px 20px 20px 26px;
  border-left:2px dashed rgba(20,227,154,.45);
}
@media (min-width:768px){
  .flow-step{border-left:0;border-top:2px dashed rgba(20,227,154,.35);padding:26px 8px 0;}
  .flow-step::before{
    content:"";position:absolute;left:0;top:-7px;width:12px;height:12px;border-radius:50%;
    background:var(--ink-900);border:2px solid var(--neon);
  }
}
.flow-step .num{
  font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--neon);
  font-variant-numeric:tabular-nums;
}
.flow-step h3{color:var(--d-strong);font-size:19px;margin:8px 0 8px;}
.flow-step p{font-size:14.5px;color:var(--d-body);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid rgba(16,22,19,.1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;
  padding:20px 0;text-align:left;
  font-size:17px;font-weight:600;color:var(--t-strong);
}
.faq-icon{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--neon-50);color:#0B7A54;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:transform .2s ease,background .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--neon-12);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease;
  background:rgba(20,227,154,.06);
  border-radius:10px;
}
.faq-item.open .faq-a{max-height:280px;}
.faq-a p{padding:4px 16px 18px;font-size:15px;color:var(--t-body);}

/* ---------- CTA 窄条 ---------- */
.cta-band{
  position:relative;background:var(--ink-900);color:var(--d-body);
  padding:40px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(460px 200px at 18% 50%,rgba(20,227,154,.14),transparent 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;flex-direction:column;gap:20px;
}
@media (min-width:768px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}
}
.cta-inner h2{color:var(--d-strong);font-size:clamp(20px,2.2vw,26px);line-height:1.4;}
.cta-inner p{margin-top:8px;font-size:14.5px;color:var(--d-muted);}
.cta-actions{display:flex;flex-direction:column;gap:10px;}
.cta-actions .btn{width:100%;}
@media (min-width:768px){.cta-actions{flex-direction:row;}.cta-actions .btn{width:auto;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--d-body);}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding:48px 0 32px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand b{color:var(--d-strong);font-size:16px;}
.footer-brand .brand-mark{width:26px;height:26px;}
.footer-brand .brand-mark::after{left:7px;top:6px;width:11px;height:6px;border-width:2px;}
.footer-desc{font-size:14px;line-height:1.9;color:var(--d-muted);max-width:340px;}
.footer-col h4{color:var(--d-strong);font-size:14px;margin-bottom:14px;font-weight:600;}
.footer-col a,.footer-col span{
  display:block;font-size:14px;line-height:1.9;color:var(--d-body);
  margin-bottom:8px;transition:color .12s ease,transform .12s ease;
}
.footer-col a:hover{color:var(--neon);transform:translateX(2px);}
.footer-bottom{
  display:flex;flex-direction:column;gap:6px;
  border-top:1px solid var(--line-dark);
  padding:18px 0 28px;font-size:12px;color:var(--d-muted);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;}}

/* ---------- 移动端抽屉 ---------- */
@media (max-width:1023px){
  .menu-toggle{display:block;}
  .nav-menu{
    position:fixed;left:0;right:0;top:72px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(10,15,13,.99);
    padding:16px 20px 40px;
    transform:translateX(100%);
    transition:transform .22s ease;
    overflow-y:auto;
    z-index:55;
  }
  .nav-menu.open{transform:translateX(0);}
  .nav-menu a{
    padding:16px 12px;border-radius:0;
    border-left:3px solid transparent;
    font-size:16px;
    border-bottom:1px solid var(--line-dark);
  }
  .nav-menu a.active{
    border-left-color:var(--neon);background:var(--neon-08);
  }
  .nav-menu a.active::after{display:none;}
}
@media (max-width:767px){
  .header-cta .btn{display:none;}
  .item-card{grid-template-columns:112px 1fr;gap:14px;padding:14px;}
  .hero-tags{gap:8px;}
}
@media (max-width:520px){
  .section{padding:44px 0;}
  .cat-hero{padding:36px 0 40px;}
  .item-card{grid-template-columns:1fr;}
  .item-thumb{aspect-ratio:16/9;}
  .btn{width:88%;}
  .cta-actions .btn{width:100%;}
  .nav-menu a{font-size:15px;}
}

/* roulang page: article */
:root{
  --ink-900:#0A0F0D;
  --ink-800:#121A17;
  --ink-700:#1C2622;
  --paper:#F7F8F5;
  --card:#FFFFFF;
  --neon:#14E39A;
  --neon-soft:rgba(20,227,154,.12);
  --neon-line:rgba(20,227,154,.5);
  --ember:#FF6A2B;
  --t-dark-1:#E7F1EC;
  --t-dark-2:#B9C8C1;
  --t-dark-3:#7E8F88;
  --t-1:#101613;
  --t-2:#3A4640;
  --t-3:#6E7C75;
  --border:rgba(16,22,19,.08);
  --border-strong:rgba(16,22,19,.14);
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(16,22,19,.05),0 10px 28px -14px rgba(16,22,19,.16);
  --shadow-card-hover:0 2px 4px rgba(16,22,19,.06),0 18px 38px -16px rgba(16,22,19,.22);
  --shadow-ember:0 10px 22px -10px rgba(255,106,43,.6);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--t-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .12s ease,opacity .12s ease}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{color:var(--t-1);margin:0;font-weight:700;letter-spacing:.01em;line-height:1.4;overflow-wrap:anywhere}
p{margin:0}
ul,ol{margin:0;padding:0}
hr{border:0;margin:0}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
.neon-divider{height:1px;width:100%;background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent)}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#0A0F0D 0%,#121A17 100%);
  border-bottom:1px solid rgba(20,227,154,.22);
}
.site-header::after{
  content:"";display:block;height:1px;width:100%;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,rgba(20,227,154,.9),rgba(255,106,43,.85));
  clip-path:polygon(16% 0,100% 0,84% 100%,0 100%);
  box-shadow:0 0 18px -4px rgba(20,227,154,.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{color:var(--t-dark-1);font-size:17px;font-weight:800;letter-spacing:.02em}
.brand-text small{color:var(--t-dark-3);font-size:11px;letter-spacing:.06em}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  position:relative;display:block;padding:0 12px;line-height:72px;
  font-size:15px;font-weight:500;color:var(--t-dark-2);white-space:nowrap;
}
.nav-menu a:hover{color:var(--neon)}
.nav-menu a.active{
  color:var(--neon);
  background:rgba(20,227,154,.08);
  border-radius:8px;
  text-shadow:0 0 12px rgba(20,227,154,.45);
}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;
  background:var(--neon);border-radius:2px;
}
.header-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;
  border:1px solid rgba(20,227,154,.5);border-radius:10px;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--neon);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--neon);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease,border-color .15s ease;
}
.btn-primary{background:var(--ember);color:#fff}
.btn-primary:hover{background:#ff7d46;transform:translateY(-1px);box-shadow:var(--shadow-ember)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--neon);border:1px solid var(--neon-line)}
.btn-ghost:hover{background:rgba(20,227,154,.12)}
.btn-outline{background:transparent;color:var(--t-1);border:1px solid var(--border-strong)}
.btn-outline:hover{border-color:var(--neon-line);color:#0B7A54;background:var(--neon-soft)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed}
.link-more{color:var(--neon);font-size:14px;font-weight:600;border-bottom:1px solid transparent}
.link-more:hover{border-bottom-color:var(--neon)}

/* ---------- Pills ---------- */
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;font-size:12px;line-height:1.4;font-weight:600;
  background:var(--neon-soft);color:#0B7A54;
}
.pill-dark{background:rgba(20,227,154,.16);color:var(--neon);border:1px solid rgba(20,227,154,.34)}
.pill-ember{background:rgba(255,106,43,.14);color:#C64A12}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;color:var(--t-dark-2);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(760px 320px at 12% -10%,rgba(20,227,154,.18),transparent 70%),
    radial-gradient(520px 260px at 92% 8%,rgba(255,106,43,.14),transparent 72%),
    linear-gradient(180deg,rgba(10,15,13,.86),rgba(10,15,13,.96)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover,cover,cover,cover;
  background-position:center;
  padding:36px 0 46px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-dark-3);margin-bottom:20px}
.breadcrumb a{color:var(--t-dark-2)}
.breadcrumb a:hover{color:var(--neon)}
.breadcrumb span.sep{opacity:.5}
.breadcrumb .current{color:var(--t-dark-1);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  color:var(--t-dark-1);
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.3;
  font-weight:800;
  max-width:22ch;
  margin-bottom:18px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--t-dark-3)}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:var(--ember);display:inline-block}
.hero-divider{height:1px;margin:0;background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent)}

/* ---------- Article layout ---------- */
.article-body{padding:44px 0 8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
@media(min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start}
}
.content{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:32px 22px;
  font-size:17px;
  line-height:1.95;
  color:var(--t-2);
  max-width:780px;
}
@media(min-width:768px){.content{padding:44px 44px 40px}}
.content>*+*{margin-top:1.2em}
.content h2{
  position:relative;
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.4;
  margin-top:1.8em;
  padding-left:16px;
}
.content h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:2px;background:var(--neon);box-shadow:0 0 14px -2px rgba(20,227,154,.8);
}
.content h3{font-size:20px;line-height:1.5;margin-top:1.5em}
.content a{color:#0B7A54;border-bottom:1px solid var(--neon-line)}
.content a:hover{color:var(--neon)}
.content strong{color:var(--t-1)}
.content blockquote{
  margin:1.4em 0;padding:14px 20px;
  border-left:3px solid var(--neon);
  background:rgba(20,227,154,.06);
  border-radius:0 12px 12px 0;
  color:var(--t-2);
}
.content ul,.content ol{list-style:none;padding-left:2px}
.content li{position:relative;padding-left:22px;margin-top:.6em}
.content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 10px -1px rgba(20,227,154,.7);
}
.content ol{counter-reset:li}
.content ol li{counter-increment:li}
.content ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;color:#0B7A54;font-weight:700;font-size:13px;
}
.content table{width:100%;border-collapse:separate;border-spacing:0;font-size:15px;background:rgba(20,227,154,.05);border-radius:12px;overflow:hidden}
.content th,.content td{padding:12px 14px;text-align:left;border-bottom:1px solid rgba(16,22,19,.06)}
.content th{color:var(--t-1);font-weight:700;background:rgba(20,227,154,.1)}
.content tr:last-child td{border-bottom:0}
.content figcaption{font-size:13px;color:var(--t-3);text-align:center;margin-top:10px;line-height:1.7}
.content img{border-radius:var(--r-img);margin:0 auto}
.content code{background:rgba(16,22,19,.06);border-radius:6px;padding:2px 6px;font-size:14px}

/* ---------- Empty state ---------- */
.empty-state{
  max-width:780px;
  border:1px dashed rgba(20,227,154,.4);
  border-radius:var(--r-card);
  background:var(--card);
  padding:56px 24px;
  text-align:center;
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:linear-gradient(135deg,var(--ink-800),var(--ink-700));
  border:1px solid rgba(20,227,154,.35);
  display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--t-3);font-size:15px;margin-bottom:22px}

/* ---------- Tag row ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--border)}
.tag-row .label{font-size:13px;color:var(--t-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:#0B7A54;background:var(--neon-soft);
  border:1px solid rgba(20,227,154,.3);transition:background .15s ease,color .15s ease;
}
.tag:hover{background:rgba(20,227,154,.22);color:#0A6B4A}

/* ---------- Sidebar ---------- */
.side{display:flex;flex-direction:column;gap:20px}
@media(min-width:1024px){.side{position:sticky;top:96px}}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:20px;
}
.side-card h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--neon)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:46vh;overflow:auto}
.toc-list.is-empty{display:none}
.toc-list a{
  display:block;font-size:14px;line-height:1.7;color:var(--t-2);
  padding:7px 10px;border-radius:8px;border-left:2px solid transparent;
}
.toc-list a:hover{background:var(--neon-soft);color:#0B7A54}
.toc-list a.active{border-left-color:var(--neon);color:#0B7A54;background:var(--neon-soft);font-weight:600}
.toc-empty{font-size:13px;color:var(--t-3);line-height:1.8}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;padding:9px 10px;border-radius:8px;color:var(--t-2);
  transition:background .15s ease,color .15s ease,transform .15s ease;
}
.side-links a:hover{background:var(--neon-soft);color:#0B7A54;transform:translateX(2px)}
.side-links a span.arw{color:var(--neon);font-size:13px}

/* ---------- Section shell ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.4}
.section-head p{font-size:14px;color:var(--t-3);margin-top:8px;max-width:60ch}
.section-head .link-more{flex:0 0 auto}

/* ---------- Related cards ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-2px);border-color:var(--neon-line);box-shadow:var(--shadow-card-hover)}
.post-thumb{position:relative;aspect-ratio:16/10;background:linear-gradient(135deg,var(--ink-800),var(--ink-700));overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.post-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,15,13,0) 45%,rgba(10,15,13,.55))}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{font-size:14px;line-height:1.8;color:var(--t-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t-3);margin-top:auto;padding-top:6px}
.post-foot .arw{color:var(--neon);font-weight:700}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;text-align:left;font-size:17px;font-weight:600;color:var(--t-1);
}
.faq-q:hover{color:#0B7A54}
.faq-icon{
  width:32px;height:32px;flex:0 0 auto;border-radius:50%;
  border:1px solid var(--border-strong);display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;color:var(--t-2);transition:transform .2s ease,border-color .2s ease,color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:var(--neon);color:#0B7A54}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;background:rgba(20,227,154,.06);border-radius:12px}
.faq-a p{padding:16px 18px;font-size:15px;line-height:1.9;color:var(--t-2)}
.faq-item.open .faq-a{max-height:280px}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);color:var(--t-dark-2);
  padding:40px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 220px at 15% 0%,rgba(20,227,154,.18),transparent 70%),
             radial-gradient(420px 200px at 88% 100%,rgba(255,106,43,.16),transparent 72%);
}
.cta-inner{position:relative;display:grid;gap:24px;align-items:center}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.1fr .9fr}}
.cta-inner h2{color:var(--t-dark-1);font-size:clamp(22px,2.6vw,30px);line-height:1.4}
.cta-inner p{color:var(--t-dark-3);font-size:14px;margin-top:10px;max-width:56ch}
.form-row{display:flex;flex-wrap:wrap;gap:12px}
.form-row input{
  flex:1 1 220px;height:48px;padding:0 16px;border-radius:var(--r-btn);
  background:#0F1613;border:1px solid rgba(255,255,255,.14);color:var(--t-dark-1);
  transition:border-color .15s ease,box-shadow .15s ease;
}
.form-row input::placeholder{color:#6A7A73}
.form-row input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 2px rgba(20,227,154,.55)}
.form-row input.error{border-color:var(--ember);box-shadow:0 0 0 2px rgba(255,106,43,.35)}
.form-msg{font-size:13px;margin-top:10px;min-height:18px;color:var(--t-dark-3)}
.form-msg.err{color:#FFB08A}
.form-msg.ok{color:var(--neon)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:var(--t-dark-2);padding-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:28px;height:28px;border-radius:8px}
.footer-brand b{color:var(--t-dark-1);font-size:16px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.9;color:var(--t-dark-3);max-width:38ch}
.footer-col h4{color:var(--t-dark-3);font-size:14px;font-weight:600;margin-bottom:14px}
.footer-col a,.footer-col span{display:block;font-size:14px;line-height:1.9;color:var(--t-dark-2);margin-bottom:4px}
.footer-col a:hover{color:var(--neon);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12px;color:var(--t-dark-3);
}

/* ---------- Mobile nav ---------- */
@media(max-width:1023px){
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .nav-menu{
    position:fixed;inset:72px 0 0 0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(10,15,13,.98);padding:18px 20px 40px;margin:0;
    overflow-y:auto;transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .18s ease,transform .18s ease;
  }
  .nav-menu.open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-menu a{line-height:1.6;padding:16px 14px;border-radius:10px;font-size:16px;color:var(--t-dark-1)}
  .nav-menu a.active{background:rgba(20,227,154,.1);border-left:3px solid var(--neon)}
  .nav-menu a.active::after{display:none}
}
@media(max-width:767px){
  .section{padding:44px 0}
  .article-hero{padding:28px 0 36px}
  .btn{width:100%}
  .header-cta{width:auto}
  .form-row .btn{width:100%}
}
@media(max-width:479px){
  body{font-size:15px}
  .content{font-size:16px;padding:24px 18px}
  .section{padding:44px 0}
  .article-hero h1{font-size:28px}
}

/* roulang page: category2 */
:root{
  --ink-900:#0A0F0D;
  --ink-800:#121A17;
  --ink-700:#1C2622;
  --paper:#F7F8F5;
  --card:#FFFFFF;
  --neon:#14E39A;
  --neon-deep:#0B7A54;
  --ember:#FF6A2B;
  --t-strong:#101613;
  --t-body:#3A4640;
  --t-muted:#6E7C75;
  --d-strong:#E7F1EC;
  --d-body:#B9C8C1;
  --d-muted:#7E8F88;
  --line:rgba(16,22,19,.08);
  --line-dark:rgba(255,255,255,.08);
  --neon-soft:rgba(20,227,154,.12);
  --neon-line:rgba(20,227,154,.5);
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(16,22,19,.05),0 10px 28px -14px rgba(16,22,19,.16);
  --shadow-card-hover:0 2px 4px rgba(16,22,19,.06),0 18px 38px -16px rgba(16,22,19,.22);
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--t-body);
  background:var(--paper);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{color:var(--t-strong);font-weight:700;letter-spacing:.01em;line-height:1.4}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.neon-divider{border:0;height:1px;margin:0;background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,15,13,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;position:relative;
  background:linear-gradient(135deg,#14E39A,#0B7A54);
  clip-path:polygon(14% 0,100% 0,100% 86%,86% 100%,0 100%,0 14%);
  flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;left:10px;top:7px;width:14px;height:8px;
  border-left:3px solid #04231A;border-bottom:3px solid #04231A;
  transform:rotate(-45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:16px;font-weight:700;color:var(--d-strong);letter-spacing:.01em}
.brand-text span{font-size:11px;color:var(--d-muted);letter-spacing:.08em}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{
  position:relative;font-size:15px;font-weight:500;color:var(--d-body);
  padding:8px 12px;border-radius:8px;
  transition:color .12s ease,background-color .12s ease;
}
.nav-menu a:hover{color:var(--neon);background:rgba(255,255,255,.04)}
.nav-menu a.active{
  color:var(--neon);background:rgba(20,227,154,.08);
  text-shadow:0 0 12px rgba(20,227,154,.35);
}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--neon);border-radius:2px;
}
.header-cta{margin-left:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
  color:var(--d-strong);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:3px auto;background:currentColor;border-radius:2px}
.nav-drawer{
  display:none;background:var(--ink-900);border-top:1px solid var(--line-dark);
  padding:10px 20px 22px;
}
.nav-drawer.open{display:block}
.nav-drawer a{
  display:block;color:var(--d-body);font-size:15px;padding:13px 12px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-drawer a.active{color:var(--neon);border-left:3px solid var(--neon);padding-left:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background-color .15s ease,color .15s ease;
  white-space:nowrap;
}
.btn-ember{background:var(--ember);color:#fff}
.btn-ember:hover{background:#FF7E47;transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(255,106,43,.6)}
.btn-ember:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--neon);border-color:var(--neon-line)}
.btn-ghost:hover{background:var(--neon-soft)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 / 胶囊 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;font-weight:600;
  background:var(--neon-soft);color:var(--neon-deep);
}
.badge-dark{background:rgba(20,227,154,.16);color:var(--neon)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--d-muted)}
.breadcrumb a{color:var(--d-body);transition:color .12s ease}
.breadcrumb a:hover{color:var(--neon)}
.breadcrumb .sep{color:rgba(255,255,255,.24)}
.breadcrumb .now{color:var(--neon)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;background:var(--ink-900);color:var(--d-body);
  padding:34px 0 48px;min-height:284px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(10,15,13,.96) 0%,rgba(10,15,13,.86) 46%,rgba(10,15,13,.6) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  opacity:.9;
}
.cat-hero::after{
  content:"";position:absolute;top:-140px;right:-80px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,227,154,.18),transparent 66%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero h1{
  margin:20px 0 14px;color:var(--d-strong);
  font-size:clamp(28px,4.2vw,42px);font-weight:800;line-height:1.3;max-width:760px;
}
.cat-hero .lead{font-size:16px;color:var(--d-body);max-width:620px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08)}
.hero-stats div{min-width:132px}
.hero-stats b{
  display:block;font-size:24px;font-weight:800;color:var(--d-strong);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;font-family:Inter,var(--font);
}
.hero-stats span{font-size:13px;color:var(--d-muted)}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-dark{background:var(--ink-900);color:var(--d-body)}
.section-dark h2,.section-dark h3{color:var(--d-strong)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;margin-bottom:12px}
.section-head p{color:var(--t-muted);font-size:15px}
.section-dark .section-head p{color:var(--d-muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--neon-deep);letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;
}
.section-dark .eyebrow{color:var(--neon)}

/* ---------- 双栏主体 ---------- */
.cat-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:24px;align-items:start}
.prose p{margin-bottom:18px;font-size:16.5px;line-height:1.95;color:var(--t-body)}
.prose h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:18px}
.prose h3{font-size:20px;font-weight:700;margin:30px 0 12px}
.prose strong{color:var(--t-strong)}
.figure{margin:26px 0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover;background:linear-gradient(140deg,#1C2622,#121A17)}
.figure figcaption{font-size:13px;color:var(--t-muted);padding:10px 14px;background:#fff}

.side-card{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:24px;
}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.side-card .side-note{font-size:13px;color:var(--t-muted);margin-bottom:16px}
.check-list li{
  position:relative;padding-left:24px;font-size:14.5px;line-height:1.8;
  color:var(--t-body);margin-bottom:12px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 10px rgba(20,227,154,.6);
}
.side-links{border-top:1px solid var(--line);margin-top:20px;padding-top:18px}
.side-links a{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  font-size:14.5px;color:var(--t-body);padding:9px 0;transition:color .12s ease,transform .12s ease;
}
.side-links a:hover{color:var(--neon-deep);transform:translateX(2px)}
.side-links a span{color:var(--neon-deep);font-size:13px}

/* ---------- 阶段条（分类差异化版式） ---------- */
.stage-track{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;position:relative;margin-top:8px;
}
.stage{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 20px 24px;box-shadow:var(--shadow-card);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.stage:hover{transform:translateY(-2px);border-color:var(--neon-line);box-shadow:var(--shadow-card-hover)}
.stage-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;margin-bottom:14px;
  font-family:Inter,var(--font);font-weight:800;font-size:15px;
  color:#04231A;background:linear-gradient(135deg,#14E39A,#0FA975);
}
.stage h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.stage p{font-size:14px;line-height:1.8;color:var(--t-muted)}
.stage::after{
  content:"";position:absolute;top:40px;right:-14px;width:12px;height:2px;
  background:repeating-linear-gradient(90deg,rgba(20,227,154,.75) 0 4px,transparent 4px 8px);
}
.stage:last-child::after{display:none}

/* ---------- 条目清单 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.entry-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.entry-card:hover{transform:translateY(-2px);border-color:var(--neon-line);box-shadow:var(--shadow-card-hover)}
.entry-card .thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(140deg,#1C2622,#121A17)}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover}
.entry-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-body h3{font-size:17px;font-weight:700;line-height:1.5}
.entry-body p{font-size:14px;line-height:1.8;color:var(--t-muted)}
.entry-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t-muted)}
.entry-foot .arrow{color:var(--neon-deep);font-weight:700}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(16,22,19,.1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--t-strong);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-toggle{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--neon-line);color:var(--neon-deep);
  display:grid;place-items:center;font-size:16px;line-height:1;
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.faq-toggle::before{content:"+"}
.faq-item[open] .faq-toggle{transform:rotate(180deg);border-color:var(--neon);background:var(--neon-soft)}
.faq-item[open] .faq-toggle::before{content:"−"}
.faq-answer{
  font-size:15px;line-height:1.9;color:var(--t-body);
  padding:0 0 18px;
}
.faq-item[open] .faq-answer{
  background:rgba(20,227,154,.06);border-radius:10px;padding:16px 18px;margin-bottom:18px;
}

/* ---------- CTA 窄条 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink-900);color:var(--d-body);padding:38px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(20,227,154,.06) 0 2px,transparent 2px 18px);
  opacity:.7;pointer-events:none;
}
.cta-band .container{position:relative;z-index:2}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;color:var(--d-strong);margin-bottom:6px}
.cta-inner p{font-size:14px;color:var(--d-muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--d-body);padding-bottom:22px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
  padding:52px 0 34px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{color:var(--d-strong);font-size:16px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.9;color:var(--d-muted);max-width:400px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--d-muted);margin-bottom:14px;letter-spacing:.06em}
.footer-col a,.footer-col span{display:block;font-size:14px;line-height:1.9;color:var(--d-body);transition:color .12s ease,transform .12s ease}
.footer-col a:hover{color:var(--neon);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid var(--line-dark);padding-top:18px;
  font-size:12px;color:var(--d-muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-menu a{font-size:14px;padding:8px 10px}
}
@media (max-width:991px){
  .nav-menu,.header-cta{display:none}
  .nav-toggle{display:block}
  .header-inner{height:60px}
  .cat-layout{grid-template-columns:minmax(0,1fr)}
  .side-card{position:static}
  .stage-track{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stage::after{display:none}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .cat-hero{padding:26px 0 40px;min-height:0}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:18px}
  .hero-stats div{min-width:104px}
  .hero-stats b{font-size:20px}
  .stage-track{grid-template-columns:minmax(0,1fr)}
  .entry-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:479px){
  .container{padding:0 18px}
  .section{padding:44px 0}
  .cat-hero h1{font-size:26px}
  .prose p{font-size:16px}
  .side-card{padding:20px}
}

/* roulang page: category3 */
:root{
  --ink-900:#0A0F0D;
  --ink-800:#121A17;
  --ink-700:#1C2622;
  --paper:#F7F8F5;
  --card:#FFFFFF;
  --neon:#14E39A;
  --neon-deep:#0B7A54;
  --ember:#FF6A2B;
  --t-strong:#101613;
  --t-body:#3A4640;
  --t-muted:#6E7C75;
  --d-strong:#E7F1EC;
  --d-body:#B9C8C1;
  --d-muted:#7E8F88;
  --line:rgba(16,22,19,.08);
  --neon-soft:rgba(20,227,154,.12);
  --neon-line:rgba(20,227,154,.5);
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(16,22,19,.05),0 10px 28px -14px rgba(16,22,19,.16);
  --shadow-card-hover:0 2px 4px rgba(16,22,19,.06),0 18px 38px -16px rgba(16,22,19,.24);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--t-body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t-strong);font-weight:700;letter-spacing:.01em;line-height:1.4;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,15,13,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:60px;}
@media (min-width:768px){.nav-wrap{height:72px;}}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;flex:none;position:relative;
  background:linear-gradient(140deg,var(--neon),#0B7A54);
  clip-path:polygon(14% 0,100% 0,100% 86%,86% 100%,0 100%,0 14%);
}
.brand-mark::after{
  content:"";position:absolute;left:10px;top:9px;width:12px;height:7px;
  border-left:2.5px solid #06251A;border-bottom:2.5px solid #06251A;
  transform:rotate(-45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:15px;font-weight:800;color:var(--d-strong);letter-spacing:.02em;}
.brand-text i{font-style:normal;font-size:11px;color:var(--d-muted);letter-spacing:.06em;}
.nav-menu{display:none;align-items:center;gap:22px;}
.nav-menu a{
  position:relative;font-size:15px;font-weight:500;color:var(--d-body);
  padding:6px 2px;transition:color .12s ease;
}
.nav-menu a:hover{color:var(--neon);}
.nav-menu a.active{
  color:var(--neon);
  background:rgba(20,227,154,.08);
  border-radius:8px;
  padding:6px 10px;
  text-shadow:0 0 12px rgba(20,227,154,.35);
}
.nav-menu a.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:-2px;height:2px;
  background:var(--neon);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--ember);color:#fff;box-shadow:0 10px 22px -14px rgba(255,106,43,.6);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(255,106,43,.6);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--neon-line);color:var(--neon);}
.btn-ghost:hover{background:var(--neon-soft);}
.btn-light{background:transparent;border-color:var(--neon-line);color:var(--neon-deep);}
.btn-light:hover{background:var(--neon-soft);}
.btn:disabled{opacity:.4;cursor:not-allowed;}
.nav-toggle{
  width:42px;height:38px;display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  align-items:center;border:1px solid rgba(255,255,255,.14);border-radius:10px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--d-strong);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-drawer{
  display:none;flex-direction:column;padding:8px 20px 24px;
  background:rgba(10,15,13,.99);border-top:1px solid rgba(255,255,255,.06);
}
.nav-drawer.open{display:flex;}
.nav-drawer a{
  color:var(--d-body);font-size:16px;padding:13px 0 13px 14px;
  border-bottom:1px solid rgba(255,255,255,.05);border-left:3px solid transparent;
}
.nav-drawer a.active{color:var(--neon);border-left-color:var(--neon);background:rgba(20,227,154,.06);}
@media (min-width:768px){
  .nav-menu{display:flex;}
  .nav-toggle{display:none;}
  .nav-drawer{display:none !important;}
}
@media (min-width:768px) and (max-width:1080px){
  .nav-menu{gap:14px;}
  .nav-menu a{font-size:14px;}
  .nav-menu a.active{padding:6px 8px;}
  .nav-menu a.active::after{left:8px;right:8px;}
}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  padding:52px 0 56px;
}
@media (min-width:768px){.page-hero{padding:72px 0 76px;}}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(10,15,13,.95) 0%,rgba(10,15,13,.86) 48%,rgba(10,15,13,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.9;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}
.hero-glow{
  position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,227,154,.18),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--d-muted);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:var(--d-muted);transition:color .15s ease;}
.breadcrumb a:hover{color:var(--neon);}
.breadcrumb em{font-style:normal;color:var(--d-strong);}
.page-hero h1{
  font-size:clamp(26px,4vw,42px);line-height:1.3;font-weight:800;color:var(--d-strong);
  letter-spacing:.01em;
}
.page-hero .hero-lead{
  margin-top:18px;font-size:clamp(15px,1.6vw,17px);line-height:1.8;color:var(--d-body);max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;line-height:1.4;letter-spacing:.02em;
}
.chip-dark{background:rgba(20,227,154,.16);color:var(--neon);}
.chip-light{background:var(--neon-soft);color:var(--neon-deep);}

/* ---------- 通用区块 ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:88px 0;}}
.section-tight{padding:44px 0;}
@media (min-width:768px){.section-tight{padding:64px 0;}}
.section-title{margin-bottom:14px;font-size:clamp(22px,2.6vw,32px);line-height:1.4;font-weight:800;}
.section-sub{color:var(--t-muted);font-size:15px;max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  letter-spacing:.14em;color:var(--neon-deep);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--neon);border-radius:2px;}

/* ---------- 双栏正文 ---------- */
.layout{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:1024px){.layout{grid-template-columns:8fr 4fr;gap:48px;}}
.prose{padding:0;}
.prose h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:16px;position:relative;padding-left:14px;}
.prose h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--neon);}
.prose p{margin-bottom:1.2em;color:var(--t-body);font-size:16.5px;line-height:1.95;}
.prose p:last-child{margin-bottom:0;}
.figure{
  border-radius:var(--r-img);overflow:hidden;margin:28px 0;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.figure figcaption{font-size:13px;color:var(--t-muted);padding:12px 16px;background:#fff;border-top:1px solid var(--line);}
.aside-sticky{position:static;}
@media (min-width:1024px){.aside-sticky{position:sticky;top:96px;}}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);margin-bottom:20px;
}
.side-card h3{font-size:16px;margin-bottom:16px;}
.side-list li{
  display:flex;gap:10px;font-size:14.5px;line-height:1.75;color:var(--t-body);
  padding:9px 0;border-bottom:1px dashed rgba(16,22,19,.1);
}
.side-list li:last-child{border-bottom:none;}
.side-list li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--neon);
}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;padding:11px 0;border-bottom:1px solid var(--line);
  color:var(--t-body);transition:color .16s ease,transform .16s ease;
}
.side-links a:last-child{border-bottom:none;}
.side-links a:hover{color:var(--neon-deep);transform:translateX(2px);}
.side-links span{color:var(--neon-deep);font-weight:700;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:36px;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:13px;top:12px;bottom:26px;width:2px;
  background:linear-gradient(180deg,rgba(20,227,154,.6),rgba(20,227,154,.06));
}
.tl-item{position:relative;padding:0 0 30px 52px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:2px;top:2px;width:26px;height:26px;border-radius:50%;
  background:var(--card);border:2px solid var(--neon);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;color:var(--neon-deep);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--shadow-card);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.tl-card:hover{border-color:var(--neon-line);transform:translateY(-2px);box-shadow:var(--shadow-card-hover);}
.tl-card h3{font-size:17.5px;font-weight:600;margin-bottom:8px;}
.tl-card p{font-size:14.5px;color:var(--t-muted);line-height:1.8;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ---------- 对比说明条 ---------- */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(20,227,154,.06);border:1px solid var(--neon-line);border-radius:var(--r-card);
  padding:18px 20px;margin-top:30px;
}
.notice-dot{
  flex:none;width:10px;height:10px;border-radius:50%;background:var(--ember);margin-top:8px;
  box-shadow:0 0 0 4px rgba(255,106,43,.14);
}
.notice p{font-size:14.5px;color:var(--t-body);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:17px;font-weight:600;color:var(--t-strong);
  transition:color .16s ease;
}
.faq-q:hover{color:var(--neon-deep);}
.faq-icon{
  flex:none;width:32px;height:32px;border-radius:50%;border:1px solid rgba(16,22,19,.16);
  display:flex;align-items:center;justify-content:center;position:relative;
  transition:transform .2s ease,border-color .2s ease;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--t-body);border-radius:2px;}
.faq-icon::before{width:12px;height:1.8px;}
.faq-icon::after{width:1.8px;height:12px;transition:opacity .2s ease;}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:var(--neon);}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .22s ease;
  background:rgba(20,227,154,.06);border-radius:10px;
}
.faq-item.open .faq-a{max-height:320px;}
.faq-a p{padding:16px 20px;font-size:14.8px;line-height:1.85;color:var(--t-body);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--ink-900);overflow:hidden;
  padding:44px 0;
}
@media (min-width:768px){.cta-band{padding:56px 0;}}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(10,15,13,.94),rgba(10,15,13,.7)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}
.cta-inner{
  position:relative;z-index:2;display:flex;flex-direction:column;gap:22px;
}
@media (min-width:900px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}
}
.cta-inner h2{font-size:clamp(20px,2.4vw,28px);color:var(--d-strong);font-weight:800;}
.cta-inner p{margin-top:10px;font-size:14.5px;color:var(--d-body);max-width:620px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;flex:none;}
@media (min-width:900px){.cta-actions{flex-direction:row;align-items:center;}}

/* ---------- 图片卡区 ---------- */
.media-block{display:grid;grid-template-columns:1fr;gap:24px;margin-top:28px;}
@media (min-width:760px){.media-block{grid-template-columns:5fr 7fr;align-items:center;gap:32px;}}
.media-block .figure{margin:0;}
.media-copy h3{font-size:20px;margin-bottom:12px;}
.media-copy p{font-size:15px;color:var(--t-body);line-height:1.9;margin-bottom:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:var(--d-body);padding-top:0;}
.neon-divider{
  height:1px;border:none;margin:0;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}
.site-footer .container{padding-top:52px;padding-bottom:26px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand b{font-size:15px;font-weight:800;color:var(--d-strong);letter-spacing:.02em;}
.footer-desc{font-size:14px;color:var(--d-muted);line-height:1.9;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--d-muted);margin-bottom:16px;letter-spacing:.03em;}
.footer-col a,.footer-col span{display:block;font-size:14px;line-height:1.9;color:var(--d-body);margin-bottom:6px;transition:color .16s ease,transform .16s ease;}
.footer-col a:hover{color:var(--neon);transform:translateX(2px);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--d-muted);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;}}

@media (max-width:519px){
  .section{padding:44px 0;}
  .section-tight{padding:40px 0;}
  .page-hero{padding:40px 0 44px;}
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .cta-actions{width:100%;}
  .faq-q{font-size:15.5px;padding:18px 0;}
  .prose p{font-size:15.5px;}
}

/* roulang page: category4 */
:root{
  --ink-900:#0A0F0D;
  --ink-800:#121A17;
  --ink-700:#1C2622;
  --paper:#F7F8F5;
  --card:#FFFFFF;
  --neon:#14E39A;
  --ember:#FF6A2B;
  --t-dark:#E7F1EC;
  --b-dark:#B9C8C1;
  --m-dark:#7E8F88;
  --t:#101613;
  --b:#3A4640;
  --m:#6E7C75;
  --line:rgba(16,22,19,.08);
  --line-strong:rgba(16,22,19,.14);
  --neon-soft:rgba(20,227,154,.12);
  --neon-line:rgba(20,227,154,.5);
  --neon-16:rgba(20,227,154,.16);
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(16,22,19,.05),0 10px 28px -14px rgba(16,22,19,.16);
  --sh-card-h:0 2px 4px rgba(16,22,19,.06),0 18px 40px -18px rgba(16,22,19,.22);
  --maxw:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--b);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--t);font-weight:700;letter-spacing:.01em;line-height:1.4}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px}
::selection{background:rgba(20,227,154,.28)}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 24px}}

.neon-divider{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,15,13,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}
.nav-wrap{
  display:flex;align-items:center;gap:24px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;
  border-radius:10px 4px 10px 4px;
  background:linear-gradient(135deg,var(--neon),#0aa873);
  position:relative;
  box-shadow:0 0 22px -6px rgba(20,227,154,.7);
}
.brand-mark::after{
  content:"";position:absolute;left:9px;top:9px;width:16px;height:8px;
  border-left:2px solid #04231a;border-bottom:2px solid #04231a;
  transform:rotate(-45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{color:var(--t-dark);font-size:16px;font-weight:800;letter-spacing:.04em}
.brand-text span{color:var(--m-dark);font-size:11px;letter-spacing:.16em}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  position:relative;
  padding:9px 13px;border-radius:8px;
  color:var(--b-dark);font-size:15px;font-weight:500;
  transition:color .12s ease,background .12s ease;
}
.nav-menu a:hover{color:var(--neon);background:rgba(20,227,154,.06)}
.nav-menu a.active{
  color:var(--neon);
  background:rgba(20,227,154,.08);
  text-shadow:0 0 14px rgba(20,227,154,.45);
}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--neon);
}
.nav-cta{
  flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:var(--r-btn);
  background:var(--ember);color:#fff;font-size:14px;font-weight:600;
  transition:transform .15s ease,box-shadow .15s ease,filter .15s ease;
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(255,106,43,.75)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;border-radius:10px;
  background:transparent;border:1px solid rgba(20,227,154,.4);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  cursor:pointer;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--neon);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:980px){
  .nav-wrap{height:60px}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-menu{
    position:fixed;left:0;right:0;top:60px;bottom:0;
    flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:20px;
    background:var(--ink-900);
    border-top:1px solid rgba(20,227,154,.2);
    transform:translateX(-102%);
    transition:transform .25s ease;
    overflow-y:auto;
    z-index:70;
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-menu a{
    padding:15px 14px;font-size:16px;
    border-left:3px solid transparent;border-radius:0 8px 8px 0;
  }
  .nav-menu a.active{border-left-color:var(--neon);background:rgba(20,227,154,.08)}
  .nav-menu a.active::after{display:none}
}

/* ---------- 通用区块 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-dark{background:var(--ink-900);color:var(--b-dark)}
.section-dark h2,.section-dark h3{color:var(--t-dark)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.14em;
  color:#0B7A54;background:var(--neon-soft);
  border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.section-dark .eyebrow{color:var(--neon);background:var(--neon-16)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:12px}
.section-head p{color:var(--m);font-size:15px}
.section-dark .section-head p{color:var(--m-dark)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease,border-color .15s ease,filter .15s ease;
}
.btn-primary{background:var(--ember);color:#fff}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(255,106,43,.6)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--neon);border-color:var(--neon-line)}
.btn-ghost:hover{background:var(--neon-soft);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--t);border-color:var(--line-strong)}
.btn-light:hover{border-color:var(--neon-line);color:#0B7A54;transform:translateY(-1px);box-shadow:var(--sh-card)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:#0B7A54;
  border-bottom:1px solid transparent;transition:border-color .15s ease,color .15s ease;
}
.link-arrow::after{content:"→";transition:transform .15s ease}
.link-arrow:hover{border-color:var(--neon);color:#0a6b4a}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--m-dark);margin-bottom:20px;
}
.breadcrumb a{color:var(--b-dark);transition:color .15s ease}
.breadcrumb a:hover{color:var(--neon)}
.breadcrumb span.sep{color:rgba(126,143,136,.6)}
.breadcrumb .now{color:var(--neon)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  background:var(--ink-900);
  color:var(--b-dark);
  padding:44px 0 52px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(600px 300px at 12% 8%,rgba(20,227,154,.16),transparent 62%),
    radial-gradient(520px 260px at 92% 92%,rgba(255,106,43,.12),transparent 65%),
    url("/assets/images/backpic/back-2.png");
  background-size:auto,auto,cover;
  background-position:center;
  opacity:.55;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,154,.55),transparent);
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero h1{
  color:var(--t-dark);
  font-size:clamp(25px,3.6vw,40px);
  line-height:1.3;font-weight:800;
  margin-bottom:14px;max-width:900px;
}
.cat-hero h1 em{font-style:normal;color:var(--neon)}
.cat-hero .lede{font-size:16px;color:var(--b-dark);max-width:680px;line-height:1.85}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;line-height:1.4;
  background:var(--neon-16);color:var(--neon);
}
.tag-light{background:var(--neon-soft);color:#0B7A54}

/* ---------- 正文双栏 ---------- */
.layout{
  display:grid;grid-template-columns:1fr;gap:32px;
}
@media (min-width:1024px){
  .layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;align-items:start}
}
.prose p{margin-bottom:1.2em;font-size:17px;line-height:1.95;color:var(--b)}
.prose h2{font-size:clamp(21px,2.4vw,29px);margin:0 0 18px;padding-left:14px;position:relative}
.prose h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:3px;background:var(--neon);box-shadow:0 0 14px -2px rgba(20,227,154,.7);
}
.prose h3{font-size:20px;margin:28px 0 12px}
.prose figure{margin:26px 0}
.prose figure img{width:100%;border-radius:var(--r-img);aspect-ratio:16/10;object-fit:cover;background:linear-gradient(135deg,var(--ink-800),var(--ink-700))}
.prose figcaption{font-size:13px;color:var(--m);margin-top:10px}
.prose ul{margin:0 0 1.2em}
.prose ul li{position:relative;padding-left:22px;margin-bottom:10px;font-size:16px;line-height:1.85}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 10px -1px rgba(20,227,154,.7);
}

/* ---------- 粘性侧栏 ---------- */
.aside{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){
  .aside{position:sticky;top:96px}
}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-card);
}
.panel h3{font-size:17px;margin-bottom:14px}
.panel .check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;line-height:1.75;color:var(--b);
  padding:9px 0;border-bottom:1px solid var(--line);
}
.panel .check-list li:last-child{border-bottom:0;padding-bottom:0}
.panel .check-list li i{
  flex:0 0 auto;width:16px;height:16px;margin-top:6px;border-radius:4px;
  background:var(--neon-soft);border:1px solid var(--neon-line);
  position:relative;
}
.panel .check-list li i::after{
  content:"";position:absolute;left:4px;top:2px;width:7px;height:4px;
  border-left:2px solid #0B7A54;border-bottom:2px solid #0B7A54;transform:rotate(-45deg);
}
.rel-list li{border-bottom:1px solid var(--line)}
.rel-list li:last-child{border-bottom:0}
.rel-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14px;font-weight:600;color:var(--t);
  transition:color .15s ease,transform .15s ease;
}
.rel-list a::after{content:"→";color:var(--neon);font-size:13px}
.rel-list a:hover{color:#0B7A54;transform:translateX(3px)}

/* ---------- 双列对照清单 ---------- */
.compare{
  display:grid;grid-template-columns:1fr;gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-img);
  box-shadow:var(--sh-card);overflow:hidden;
}
@media (min-width:860px){
  .compare{grid-template-columns:1fr 1px 1fr}
}
.compare-col{padding:28px 24px}
@media (min-width:768px){.compare-col{padding:34px 32px}}
.compare-sep{
  background:linear-gradient(180deg,transparent,rgba(20,227,154,.45),transparent);
}
.compare-col h3{font-size:19px;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.compare-col h3 .dot{
  width:10px;height:10px;border-radius:50%;background:var(--neon);
  box-shadow:0 0 0 4px rgba(20,227,154,.14);
}
.compare-col.assist h3 .dot{background:var(--ember);box-shadow:0 0 0 4px rgba(255,106,43,.16)}
.compare-col .sub{font-size:13px;color:var(--m);margin-bottom:18px}
.c-item{
  display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--line);
}
.c-item .num{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;
  background:var(--neon-soft);color:#0B7A54;
}
.compare-col.assist .c-item .num{background:rgba(255,106,43,.12);color:#B8420F}
.c-item b{display:block;font-size:15px;color:var(--t);font-weight:600;margin-bottom:4px}
.c-item p{font-size:14px;line-height:1.8;color:var(--m)}

/* ---------- 条目卡片清单 ---------- */
.cards{display:grid;grid-template-columns:1fr;gap:var(--gap)}
@media (min-width:768px){.cards{grid-template-columns:repeat(2,1fr)}}
.card{
  display:block;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--neon-line);box-shadow:var(--sh-card-h)}
.card-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(135deg,var(--ink-800),var(--ink-700));
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 20px 22px}
.card-body .tag{margin-bottom:12px}
.card-body h3{font-size:17px;line-height:1.5;margin-bottom:8px}
.card-body p{font-size:14px;line-height:1.8;color:var(--m);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--m);
}
.card-foot .go{color:#0B7A54;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.card-foot .go::after{content:"→";transition:transform .18s ease}
.card:hover .card-foot .go::after{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--t);
  transition:color .15s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:#0B7A54}
.faq-item summary i{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line-strong);position:relative;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.faq-item summary i::before,
.faq-item summary i::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--t);
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-item summary i::before{width:12px;height:2px}
.faq-item summary i::after{width:2px;height:12px;transition:opacity .2s ease}
.faq-item[open] summary i{transform:rotate(180deg);border-color:var(--neon);background:var(--neon-soft)}
.faq-item[open] summary i::after{opacity:0}
.faq-item[open] summary i::before{background:#0B7A54}
.faq-body{
  background:rgba(20,227,154,.06);border-radius:12px;
  padding:16px 18px;margin:0 0 18px;
  font-size:15px;line-height:1.85;color:var(--b);
}

/* ---------- CTA 窄条 ---------- */
.cta-band{
  background:var(--ink-900);color:var(--b-dark);
  position:relative;overflow:hidden;
  padding:36px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 220px at 82% 50%,rgba(255,106,43,.16),transparent 66%);
}
.cta-band .container{position:relative;z-index:2}
.cta-inner{
  display:flex;flex-direction:column;gap:20px;align-items:flex-start;
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r-img);
  padding:26px 24px;
}
@media (min-width:860px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:30px 34px}
}
.cta-inner h2{color:var(--t-dark);font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.cta-inner p{font-size:14px;color:var(--m-dark);max-width:640px}
.cta-inner .btn{flex:0 0 auto}
@media (max-width:767px){.cta-inner .btn{width:100%}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--m-dark);padding:0 0 26px}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 34px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-col h4{color:#8FA69C;font-size:14px;font-weight:600;margin-bottom:14px;letter-spacing:.06em}
.footer-col a,.footer-col span{
  display:block;font-size:14px;line-height:1.9;color:var(--b-dark);
  transition:color .15s ease,transform .15s ease;
}
.footer-col a:hover{color:var(--neon);transform:translateX(2px)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{color:var(--t-dark);font-size:16px;font-weight:800}
.footer-brand .brand-mark{width:28px;height:28px}
.footer-brand .brand-mark::after{left:7px;top:7px;width:14px;height:7px}
.footer-desc{font-size:14px;line-height:1.85;color:var(--m-dark);max-width:400px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.07);
  font-size:12px;color:var(--m-dark);
}
@media (max-width:520px){
  .section{padding:44px 0}
  .cat-hero{padding:34px 0 40px}
  .prose p{font-size:16px}
  .footer-bottom{flex-direction:column}
}