/* roulang page: index */
:root{
  --ink:#14161A;
  --ink-2:#3A3F47;
  --muted:#6B7078;
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --moss:#EEF3E2;
  --lime:#C6F24E;
  --lime-deep:#6E9A15;
  --line:#E3E0D8;
  --danger:#D8442F;
  --r-card:14px;
  --r-tile:18px;
  --r-btn:999px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(20,22,26,.05), 0 8px 24px -16px rgba(20,22,26,.28);
  --shadow-2:0 2px 6px rgba(20,22,26,.06), 0 24px 48px -24px rgba(20,22,26,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--moss{background:var(--moss);}
.section-head{max-width:720px;margin-bottom:48px;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--lime-deep);
  text-transform:uppercase;
}
h2{font-size:38px;line-height:1.2;font-weight:700;letter-spacing:-.01em;}
h3{font-size:22px;line-height:1.35;font-weight:600;}
.section-head p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--ink-2);}
.num{font-variant-numeric:tabular-nums;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform 180ms var(--ease),background-color 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:var(--paper);border:1px solid var(--ink);}
.btn-primary:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-sm{height:38px;padding:0 20px;font-size:14px;}
.btn-lg{height:54px;padding:0 34px;font-size:16px;}
.btn-lime{background:var(--lime);color:var(--ink);border:1px solid var(--lime);}
.btn-lime:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);transform:translateY(-1px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);}
.link-arrow span{transition:transform 180ms var(--ease);}
.link-arrow:hover span{transform:translateX(4px);}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--paper-2);
  font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--ink-2);
  transition:background-color 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
}
a.tag:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.tag--lime{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.tag--outline-light{border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.08);color:#fff;}

/* 倒计时条 */
.countdown-bar{
  background:var(--ink);color:var(--paper);
  height:44px;display:flex;align-items:center;
  font-size:13px;
}
.countdown-inner{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.countdown-label{display:inline-flex;align-items:center;gap:8px;letter-spacing:.06em;color:rgba(247,245,240,.78);}
.countdown-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);}
.countdown-clock{
  font-variant-numeric:tabular-nums;font-weight:700;font-size:15px;letter-spacing:.08em;
  color:var(--lime);
}
.countdown-sep{color:rgba(247,245,240,.32);margin:0 6px;font-weight:400;}
.countdown-link{font-size:12px;color:rgba(247,245,240,.7);border-bottom:1px solid rgba(247,245,240,.28);padding-bottom:1px;transition:color 180ms var(--ease),border-color 180ms var(--ease);}
.countdown-link:hover{color:var(--lime);border-color:var(--lime);}

/* 吸顶导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(20,22,26,.02);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-word{font-size:21px;font-weight:700;letter-spacing:.02em;color:var(--ink);}
.logo-divider{width:1px;height:16px;background:var(--line);display:inline-block;}
.logo-sub{font-size:12px;letter-spacing:.16em;color:var(--muted);font-weight:600;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px;}
.main-nav a{
  position:relative;padding:8px 14px;font-size:15px;color:var(--ink-2);border-radius:8px;
  transition:color 180ms var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform 180ms var(--ease);
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:220px;height:38px;padding:0 10px 0 12px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px var(--lime);}
.search-box svg{flex-shrink:0;color:var(--muted);}
.search-box input{flex:1;min-width:0;border:0;background:transparent;font-size:13px;outline:none;}
.search-box input::placeholder{color:var(--muted);}
.key-cap{
  flex-shrink:0;font-size:11px;color:var(--muted);
  border:1px solid var(--line);border-radius:5px;padding:1px 5px;line-height:1.4;
  background:var(--paper);
}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--line);background:var(--paper-2);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:transform 180ms var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:transform 180ms var(--ease);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--ink);color:var(--paper);
  padding:24px;display:none;flex-direction:column;
}
.drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px;}
.drawer-close{width:44px;height:44px;border:1px solid rgba(255,255,255,.24);border-radius:10px;color:var(--paper);font-size:20px;line-height:1;}
.drawer-nav{display:flex;flex-direction:column;gap:8px;}
.drawer-nav a{font-size:20px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);color:var(--paper);}
.drawer-nav a.active{color:var(--lime);}
.drawer-foot{margin-top:auto;padding-top:32px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot .btn{width:100%;}

/* Hero */
.hero{padding:72px 0 0;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--paper-2);
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--lime-deep);
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}
h1{
  margin-top:24px;
  font-size:56px;line-height:1.08;font-weight:700;letter-spacing:-.02em;
}
.hero-sub{margin-top:24px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.hero-note{margin-top:16px;font-size:13px;color:var(--muted);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-tile);
  background:var(--moss);
}
.hero-float{
  position:absolute;left:-24px;bottom:-28px;width:min(280px,86%);
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--shadow-1);
}
.hero-float strong{display:block;font-size:15px;font-weight:700;}
.hero-float .float-clock{margin-top:8px;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em;color:var(--ink);}
.hero-float small{display:block;margin-top:6px;font-size:12px;color:var(--muted);line-height:1.6;}

/* 数据条 */
.stats-bar{
  margin-top:64px;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:28px 24px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{font-size:32px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-label{margin-top:6px;font-size:12px;color:var(--muted);letter-spacing:.04em;}

/* 卖点 */
.features-grid{display:grid;grid-template-columns:4fr 8fr;gap:64px;}
.features-aside{position:sticky;top:100px;align-self:start;}
.features-aside h2{margin-top:16px;}
.features-aside p{margin-top:16px;font-size:15px;color:var(--ink-2);max-width:300px;}
.feature-item{
  display:grid;grid-template-columns:88px 1fr;gap:24px;
  padding:32px 0;border-bottom:1px solid var(--line);
}
.feature-item:first-child{padding-top:0;}
.feature-num{
  font-size:52px;line-height:1;font-weight:300;
  color:rgba(20,22,26,.16);
  font-variant-numeric:tabular-nums;
}
.feature-item h3{margin-bottom:8px;}
.feature-item p{font-size:15px;line-height:1.85;color:var(--ink-2);}

/* 图墙 */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:112px;gap:20px;grid-auto-flow:dense;}
.tile{
  position:relative;overflow:hidden;border-radius:var(--r-tile);background:var(--moss);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform 200ms var(--ease);}
.tile-cat{
  position:absolute;top:14px;left:14px;
  padding:5px 11px;border-radius:var(--r-btn);
  background:rgba(247,245,240,.92);color:var(--ink);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.tile-cap{
  position:absolute;left:0;right:0;bottom:0;padding:20px 18px 18px;
  background:linear-gradient(to top,rgba(20,22,26,.78),rgba(20,22,26,0));
  color:#fff;font-size:14px;font-weight:600;
  opacity:0;transform:translateY(10px);
  transition:opacity 200ms var(--ease),transform 200ms var(--ease);
}
.tile:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);}
.tile:hover img{transform:scale(1.04);}
.tile:hover .tile-cap{opacity:1;transform:translateY(0);}
.tile-1{grid-column:span 5;grid-row:span 3;}
.tile-2{grid-column:span 4;grid-row:span 2;}
.tile-3{grid-column:span 3;grid-row:span 3;}
.tile-4{grid-column:span 4;grid-row:span 1;}
.tile-5{grid-column:span 3;grid-row:span 2;}
.tile-6{grid-column:span 5;grid-row:span 2;}
.tile-7{grid-column:span 4;grid-row:span 2;}

/* CTA 深色条 */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--paper);
  border-radius:0;
  padding:64px 0;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{color:var(--lime);max-width:520px;}
.cta-inner p{margin-top:16px;font-size:15px;color:rgba(247,245,240,.72);max-width:520px;}
.cta-mark{
  position:absolute;right:24px;bottom:-46px;z-index:1;
  font-size:200px;font-weight:700;line-height:1;letter-spacing:.04em;
  color:transparent;-webkit-text-stroke:1px rgba(247,245,240,.1);
  pointer-events:none;user-select:none;
}

/* FAQ */
.faq{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  width:100%;min-height:64px;padding:18px 4px;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;color:var(--ink-2);
  transition:transform 220ms var(--ease),background-color 220ms var(--ease),color 220ms var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);color:var(--ink);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms var(--ease);}
.faq-a p{padding:0 4px 24px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:740px;}

/* 资讯列表 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.news-list{border-top:1px solid var(--line);}
.news-row{
  display:grid;grid-template-columns:180px 1fr 56px;gap:28px;align-items:center;
  padding:26px 20px;border-bottom:1px solid var(--line);
  transition:background-color 180ms var(--ease);
}
.news-row:hover{background:var(--moss);}
.news-meta{display:flex;flex-direction:column;gap:8px;align-items:flex-start;}
.news-date{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.news-body{min-width:0;}
.news-title{font-size:18px;font-weight:600;line-height:1.45;}
.news-summary{
  margin-top:6px;font-size:15px;line-height:1.7;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-arrow{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--paper-2);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--ink);
  transition:transform 180ms var(--ease),background-color 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
}
.news-row:hover .news-arrow{transform:translateX(4px);background:var(--ink);color:var(--paper);border-color:var(--ink);}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;background:var(--paper-2);
}
.news-empty .empty-dot{width:36px;height:36px;border-radius:50%;border:1px dashed var(--line);margin:0 auto 16px;}
.news-empty p{font-size:15px;color:var(--muted);}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(247,245,240,.74);border-top:1px solid var(--lime);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;}
.footer-brand .logo-word{color:var(--paper);}
.footer-brand .logo-sub{color:rgba(247,245,240,.6);}
.footer-brand .logo-divider{background:rgba(247,245,240,.24);}
.footer-brand p{margin-top:20px;font-size:14px;line-height:1.85;color:rgba(247,245,240,.62);max-width:320px;}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.12em;color:rgba(247,245,240,.42);margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(247,245,240,.78);transition:color 180ms var(--ease);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(247,245,240,.12);
  padding:24px 0 32px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(247,245,240,.5);line-height:1.8;
}
.footer-bottom span{display:inline-block;}

/* 入场动画 */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity 400ms var(--ease),transform 400ms var(--ease);}
.js .reveal.is-in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1279px){
  :root{--container:960px;}
  h1{font-size:50px;}
  h2{font-size:34px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .search-box{display:none;}
  .header-actions .btn-ghost{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero{padding-top:48px;}
  .hero-media{order:2;}
  .hero-float{left:0;bottom:-24px;}
  .stats-bar{margin-top:56px;grid-template-columns:repeat(2,1fr);}
  .stat{border-left:0;border-top:1px solid var(--line);padding:24px 0;}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0;}
  .stat:nth-child(2),.stat:nth-child(4){padding-left:24px;border-left:1px solid var(--line);}
  .features-grid{grid-template-columns:1fr;gap:32px;}
  .features-aside{position:static;}
  .features-aside p{max-width:none;}
  .gallery{grid-auto-rows:96px;gap:16px;}
  .tile-1{grid-column:span 7;grid-row:span 3;}
  .tile-2{grid-column:span 5;grid-row:span 2;}
  .tile-3{grid-column:span 5;grid-row:span 2;}
  .tile-4{grid-column:span 4;grid-row:span 2;}
  .tile-5{grid-column:span 4;grid-row:span 2;}
  .tile-6{grid-column:span 4;grid-row:span 2;}
  .tile-7{grid-column:span 12;grid-row:span 2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .cta-mark{font-size:150px;bottom:-30px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .countdown-inner{padding:0 20px;gap:10px;}
  .countdown-label{font-size:12px;letter-spacing:.02em;}
  .countdown-clock{font-size:13px;}
  .header-inner{height:62px;gap:12px;}
  .logo-word{font-size:19px;}
  .logo-sub{font-size:11px;letter-spacing:.1em;}
  h1{font-size:34px;line-height:1.2;}
  h2{font-size:27px;}
  h3{font-size:19px;}
  .section{padding:56px 0;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-float{position:static;width:100%;margin-top:16px;box-shadow:none;}
  .stat-num{font-size:26px;}
  .feature-item{grid-template-columns:52px 1fr;gap:16px;padding:24px 0;}
  .feature-num{font-size:32px;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:120px;}
  .tile-1,.tile-2,.tile-3,.tile-4,.tile-5,.tile-6,.tile-7{grid-column:span 1;grid-row:span 2;}
  .tile-1{grid-column:span 2;grid-row:span 2;}
  .cta-band{padding:40px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .cta-inner .btn{width:100%;}
  .cta-mark{font-size:110px;right:-10px;bottom:-20px;}
  .faq-q{font-size:16px;gap:16px;}
  .news-row{grid-template-columns:1fr;gap:14px;padding:22px 16px;}
  .news-meta{flex-direction:row;align-items:center;gap:12px;}
  .news-arrow{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .site-footer{padding-top:56px;}
}
@media (max-width:400px){
  h1{font-size:30px;}
  .logo-sub{display:none;}
  .logo-divider{display:none;}
  .countdown-label{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .js .reveal{opacity:1;transform:none;}
  .tile:hover img{transform:none;}
}

/* roulang page: article */
:root{
  --ink:#14161A;
  --ink-2:#3A3F47;
  --muted:#6B7078;
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --moss:#EEF3E2;
  --lime:#C6F24E;
  --lime-deep:#6E9A15;
  --line:#E3E0D8;
  --danger:#D8442F;
  --radius-card:14px;
  --radius-tile:18px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(20,22,26,.05), 0 8px 24px -16px rgba(20,22,26,.28);
  --shadow-2:0 2px 6px rgba(20,22,26,.06), 0 24px 48px -24px rgba(20,22,26,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
input{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:var(--lime);color:var(--ink);}
:focus-visible{outline:2px solid var(--lime-deep);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line);}
.reading-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:var(--lime);z-index:3;transition:width .1s linear;
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-word{font-size:22px;font-weight:700;letter-spacing:-.01em;line-height:1;}
.logo-divider{width:1px;height:18px;background:var(--line);}
.logo-sub{font-size:13px;color:var(--ink-2);letter-spacing:.06em;line-height:1;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:6px;}
.main-nav a{
  position:relative;font-size:15px;color:var(--ink-2);
  padding:6px 0;transition:color .18s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--lime);transition:width .18s var(--ease);
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after,.main-nav a.active::after{width:100%;}
.main-nav a.active{color:var(--ink);font-weight:600;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;width:220px;height:38px;
  padding:0 12px;border:1px solid var(--line);border-radius:999px;
  background:var(--paper-2);color:var(--muted);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box input{
  border:0;outline:0;background:transparent;width:100%;
  font-size:13px;color:var(--ink);
}
.search-box input::placeholder{color:var(--muted);}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px rgba(198,242,78,.55);}
.key-cap{
  flex:none;font-size:11px;line-height:1;padding:3px 6px;
  border:1px solid var(--line);border-radius:5px;color:var(--muted);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease),transform .18s var(--ease),
             box-shadow .18s var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--ink);color:var(--paper);}
.btn-primary:hover{background:var(--lime);color:var(--ink);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-secondary:hover{background:var(--ink);color:var(--paper);}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.link-arrow svg{transition:transform .18s var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:var(--paper-2);
  position:relative;cursor:pointer;
}
.nav-toggle span{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:16px;height:1.5px;background:var(--ink);
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:68px;bottom:0;z-index:99;
  background:var(--ink);padding:28px 24px 40px;
  flex-direction:column;gap:0;
  opacity:0;transform:translateY(-8px);pointer-events:none;
  transition:opacity .22s var(--ease),transform .22s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.open{opacity:1;transform:none;pointer-events:auto;}
.mobile-drawer a.drawer-link{
  display:block;font-size:20px;font-weight:600;color:#fff;
  padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12);
}
.mobile-drawer a.drawer-link:hover{color:var(--lime);}
.mobile-drawer .btn{margin-top:28px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:24px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);transition:color .16s var(--ease);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-shell{padding:32px 0 96px;}
.article-main{max-width:720px;margin:0 auto;}
.article-head{padding-bottom:32px;margin-bottom:48px;border-bottom:1px solid var(--line);}
.chip{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  padding:6px 12px;border-radius:999px;border:1px solid var(--line);
  background:var(--paper-2);color:var(--ink-2);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.chip:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.article-head h1{
  font-size:clamp(30px,3.6vw,42px);
  line-height:1.35;font-weight:700;letter-spacing:-.015em;
  margin:20px 0 20px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--line);}

/* ---------- 正文 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--ink);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.01em;
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--lime);
}
.article-body h3{font-size:22px;line-height:1.4;font-weight:600;margin:32px 0 12px;}
.article-body h4{font-size:18px;font-weight:600;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px;}
.article-body ul > li{position:relative;padding-left:20px;margin-bottom:10px;list-style:none;}
.article-body ul > li::before{
  content:"";position:absolute;left:0;top:.75em;
  width:6px;height:6px;background:var(--lime-deep);border-radius:1px;
}
.article-body ol{counter-reset:li;padding-left:4px;}
.article-body ol > li{
  position:relative;padding-left:26px;margin-bottom:10px;list-style:none;counter-increment:li;
}
.article-body ol > li::before{
  content:counter(li);position:absolute;left:0;top:0;
  font-size:13px;font-weight:700;color:var(--lime-deep);
  width:20px;line-height:2.2;
}
.article-body blockquote{
  margin:24px 0;padding:20px;
  border-left:3px solid var(--lime);background:var(--moss);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:var(--ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-card);margin:24px 0;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:14px;color:var(--muted);margin-top:10px;text-align:center;}
.article-body a{
  color:var(--ink);text-decoration:underline;
  text-decoration-color:var(--lime);text-decoration-thickness:2px;
  text-underline-offset:3px;transition:background .16s var(--ease);
}
.article-body a:hover{background:var(--lime);text-decoration-color:transparent;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
.article-body th{font-weight:600;color:var(--ink);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0;}
.article-body code{
  font-size:14px;background:var(--moss);padding:2px 6px;border-radius:6px;
}
.article-empty{
  max-width:720px;margin:0 auto;padding:56px 32px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--paper-2);
}
.article-empty h2{font-size:22px;font-weight:600;margin-bottom:12px;}
.article-empty p{font-size:15px;color:var(--muted);margin-bottom:24px;}

/* ---------- 文末 ---------- */
.article-foot{
  max-width:720px;margin:56px auto 0;padding-top:32px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  font-size:13px;padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper-2);color:var(--ink-2);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.tag:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.share-note{font-size:13px;color:var(--muted);}

/* ---------- 相关推荐 ---------- */
.related{padding:96px 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:32px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.section-head p{font-size:15px;color:var(--muted);margin-top:8px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  display:flex;flex-direction:column;
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);}
.related-thumb{
  aspect-ratio:16/10;background:var(--moss);overflow:hidden;
}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease);}
.related-card:hover .related-thumb img{transform:scale(1.04);}
.related-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{font-size:18px;line-height:1.45;font-weight:600;}
.related-date{font-size:13px;color:var(--muted);margin-top:auto;}

/* ---------- 底部提示 ---------- */
.article-cta{
  margin-top:96px;background:var(--ink);border-radius:var(--radius-tile);
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.article-cta h2{color:var(--lime);font-size:clamp(24px,3vw,32px);line-height:1.25;font-weight:700;}
.article-cta p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;max-width:46ch;}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:var(--paper-2);color:var(--ink);transform:translateY(-1px);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;background:var(--ink);color:rgba(255,255,255,.72);
  border-top:1px solid var(--lime);padding:72px 0 0;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px;}
.footer-brand .logo{margin-bottom:20px;}
.footer-brand .logo-word{color:#fff;}
.footer-brand .logo-divider{background:rgba(255,255,255,.24);}
.footer-brand .logo-sub{color:rgba(255,255,255,.68);}
.footer-brand p{font-size:14px;line-height:1.85;max-width:36ch;}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:#fff;font-weight:600;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color .18s var(--ease);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);padding:24px 0 32px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .header-actions .btn-ghost{display:none;}
  .nav-toggle{display:block;}
  .mobile-drawer{display:flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .header-inner{height:64px;gap:16px;}
  .mobile-drawer{top:64px;}
  .article-shell{padding:24px 0 64px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:24px;margin-top:32px;}
  .article-body h3{font-size:19px;}
  .article-head{margin-bottom:32px;padding-bottom:24px;}
  .breadcrumb .current{white-space:normal;}
  .related{padding-top:64px;}
  .related-grid{grid-template-columns:1fr;}
  .article-cta{padding:36px 24px;margin-top:64px;}
  .article-cta .btn{width:100%;}
  .site-footer{margin-top:64px;padding-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:600px){
  .header-actions .btn-primary{display:none;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:400px){
  .logo-word{font-size:20px;}
  .logo-sub{font-size:12px;}
  .article-head h1{font-size:28px;}
  .btn{width:100%;}
  .article-cta .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category1 */
:root{
  --ink:#14161A;
  --ink-2:#3A3F47;
  --muted:#6B7078;
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --moss:#EEF3E2;
  --lime:#C6F24E;
  --lime-deep:#6E9A15;
  --line:#E3E0D8;
  --danger:#D8442F;
  --r-card:14px;
  --r-lg:18px;
  --r-sm:12px;
  --shadow-1:0 1px 2px rgba(20,22,26,.05),0 8px 24px -16px rgba(20,22,26,.28);
  --shadow-2:0 2px 6px rgba(20,22,26,.06),0 24px 48px -24px rgba(20,22,26,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -24px rgba(20,22,26,.4)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;flex:none}
.logo-word{font-weight:800;letter-spacing:.02em}
.logo-divider{display:inline-block;width:1px;height:16px;background:#C9C5BA}
.logo-sub{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:6px}
.main-nav a{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;transition:color .18s var(--ease)}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease)}
.main-nav a:hover{color:var(--ink)}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active{color:var(--ink);font-weight:600}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:220px;height:38px;padding:0 12px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:999px;
  color:var(--muted);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px rgba(198,242,78,.85)}
.search-box input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:13px}
.search-box input::placeholder{color:var(--muted)}
.key-cap{font-size:11px;padding:2px 6px;border:1px solid var(--line);border-radius:6px;color:var(--muted);font-variant-numeric:tabular-nums}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--paper-2);
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);transition:background .2s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:transform .2s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--lime);color:var(--ink);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:var(--paper);color:var(--ink);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink)}
.link-arrow svg{transition:transform .18s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ============ shared bits ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--ink-2);
  padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:var(--paper-2);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime-deep)}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.06em;padding:4px 10px;border:1px solid var(--line);border-radius:999px;background:var(--paper-2);color:var(--ink-2)}
.tag-solid{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:38px;line-height:1.2;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--ink-2)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ hero ============ */
.cat-hero{padding:26px 0 64px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding-bottom:26px}
.crumbs a:hover{color:var(--ink)}
.crumbs .sep{color:#CFCBBF}
.crumbs .current{color:var(--ink-2)}
.cat-hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.cat-hero-copy h1{
  font-size:clamp(32px,3.6vw,54px);line-height:1.1;font-weight:700;letter-spacing:-.02em;
  margin:20px 0 18px;
}
.cat-hero-copy h1 em{font-style:normal;position:relative;white-space:nowrap}
.cat-hero-copy h1 em::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:8px;background:var(--lime);z-index:-1;opacity:.85}
.cat-hero-lead{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:520px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{
  font-size:13px;font-weight:600;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper-2);color:var(--ink-2);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.chip:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chip.is-on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.cat-hero-visual{position:relative}
.cat-hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);background:var(--moss)}
.float-card{
  position:absolute;right:-10px;bottom:-24px;
  display:grid;gap:2px;min-width:190px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--shadow-1);
}
.float-num{font-size:32px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.float-label{font-size:13px;font-weight:600}
.float-sub{font-size:12px;color:var(--muted);line-height:1.6}

/* ============ layout with sidebar ============ */
.cat-main{padding:0 0 96px}
.cat-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding-bottom:22px}
.list-head h2{font-size:26px;font-weight:700;line-height:1.3}
.list-head .count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

.topic-list{border-top:1px solid var(--line)}
.topic-row{
  display:grid;grid-template-columns:200px minmax(0,1fr) 48px;gap:24px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background .18s var(--ease);
}
.topic-thumb{
  display:block;border-radius:var(--r-card);overflow:hidden;background:var(--moss);
}
.topic-thumb img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .3s var(--ease);
}
.topic-row:hover .topic-thumb img{transform:scale(1.04)}
.topic-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:8px;flex-wrap:wrap}
.topic-meta .dot{color:#CFCBBF}
.topic-body h3{font-size:19px;line-height:1.45;font-weight:600;letter-spacing:-.005em}
.topic-body h3 a{transition:color .18s var(--ease)}
.topic-body h3 a:hover{color:var(--lime-deep)}
.topic-body p{font-size:15px;color:var(--ink-2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.round-arrow{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--paper-2);color:var(--ink);font-size:16px;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.round-arrow:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateX(4px)}

/* sidebar */
.side{position:sticky;top:92px;display:grid;gap:20px}
.side-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.side-card .side-desc{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--ink-2);margin-bottom:6px}
.field input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--paper);outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.field input:focus{border-color:var(--ink);background:var(--paper-2);box-shadow:0 0 0 2px rgba(198,242,78,.85)}
.field .hint{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.6}
.side-note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:12px}
.quick-list{display:grid;gap:14px;margin-top:4px}
.quick-list li{display:grid;gap:2px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.quick-list li:last-child{padding-bottom:0;border-bottom:0}
.quick-list .k{font-size:12px;letter-spacing:.08em;color:var(--muted);font-weight:600}
.quick-list .v{font-size:14px;color:var(--ink);line-height:1.7}
.side-card .link-arrow{margin-top:16px}

/* ============ steps ============ */
.steps-section{background:var(--moss);padding:88px 0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.step{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;transition:transform .18s var(--ease),box-shadow .18s var(--ease)}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-1)}
.step-num{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--lime-deep);font-variant-numeric:tabular-nums}
.step h3{font-size:17px;font-weight:700;margin:10px 0 8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ============ faq ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:64px;padding:12px 0;font-size:17px;font-weight:600;cursor:pointer;list-style:none;
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--lime-deep)}
.faq-icon{position:relative;width:18px;height:18px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink);transform:translate(-50%,-50%);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.faq-icon::before{width:16px;height:1.5px}
.faq-icon::after{width:1.5px;height:16px}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-body{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:780px}

/* ============ dark CTA ============ */
.cta-band{background:var(--ink);color:var(--paper);padding:64px 0;position:relative;overflow:hidden}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;z-index:2}
.cta-inner h2{font-size:clamp(26px,3vw,36px);line-height:1.2;font-weight:700;color:var(--lime);letter-spacing:-.01em}
.cta-inner p{font-size:15px;color:rgba(247,245,240,.72);margin-top:12px;max-width:520px;line-height:1.8}
.cta-deco{
  position:absolute;right:-20px;bottom:-52px;z-index:1;
  font-size:170px;font-weight:800;letter-spacing:-.04em;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(247,245,240,.09);
  pointer-events:none;user-select:none;
}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--lime);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px;color:var(--paper)}
.footer-brand .logo-divider{background:rgba(247,245,240,.24)}
.footer-brand .logo-sub{color:rgba(247,245,240,.6)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,245,240,.66);max-width:340px}
.footer-col h4{font-size:13px;letter-spacing:.1em;font-weight:600;color:rgba(247,245,240,.55);margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(247,245,240,.86);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:24px;border-top:1px solid rgba(247,245,240,.12);
  font-size:13px;color:rgba(247,245,240,.5);
}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============ responsive ============ */
@media (max-width:1279px){
  .container{padding:0 28px}
  .cat-hero-inner{gap:40px}
  .cat-layout{gap:40px;grid-template-columns:minmax(0,1fr) 300px}
}
@media (max-width:1023px){
  .search-box{display:none}
  .header-actions .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;left:0;right:0;top:68px;bottom:0;
    margin:0;padding:24px 32px 40px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--ink);
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease);
    overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .main-nav a{color:rgba(247,245,240,.92);font-size:20px;padding:18px 0;border-bottom:1px solid rgba(247,245,240,.1)}
  .main-nav a::after{display:none}
  .main-nav a.active{color:var(--lime);font-weight:700}
  .cat-hero-inner{grid-template-columns:1fr;gap:36px}
  .cat-hero-visual{max-width:560px}
  .cat-layout{grid-template-columns:1fr;gap:40px}
  .side{position:static}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-deco{font-size:120px}
  .topic-row{grid-template-columns:160px minmax(0,1fr) 44px;gap:20px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{height:64px;gap:14px}
  .logo{font-size:17px;gap:8px}
  .logo-sub{font-size:11px;letter-spacing:.1em}
  .main-nav{top:64px;padding:16px 20px 40px}
  .section{padding:56px 0}
  .section-head h2{font-size:26px}
  .cat-hero{padding:18px 0 48px}
  .cat-hero-copy h1{font-size:32px;margin:16px 0 14px}
  .cat-hero-lead{font-size:16px}
  .float-card{position:static;margin-top:16px;min-width:0}
  .cat-main{padding-bottom:64px}
  .list-head{flex-direction:column;align-items:flex-start;gap:6px}
  .topic-row{grid-template-columns:1fr;gap:14px;padding:22px 0}
  .topic-thumb img{aspect-ratio:16/9}
  .round-arrow{justify-self:flex-start}
  .steps{grid-template-columns:1fr}
  .steps-section{padding:56px 0}
  .cta-band{padding:48px 0}
  .cta-inner h2{font-size:24px}
  .cta-deco{display:none}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column}
  .faq-item summary{font-size:16px;min-height:60px}
}
@media (max-width:400px){
  .cat-hero-copy h1{font-size:29px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .header-actions .btn-primary{display:none}
}

/* roulang page: category2 */
:root{
  --ink:#14161A;
  --ink-2:#3A3F47;
  --muted:#6B7078;
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --moss:#EEF3E2;
  --lime:#C6F24E;
  --lime-deep:#6E9A15;
  --line:#E3E0D8;
  --danger:#D8442F;
  --r-sm:12px;
  --r:14px;
  --r-lg:18px;
  --shadow-1:0 1px 2px rgba(20,22,26,.05),0 8px 24px -16px rgba(20,22,26,.28);
  --shadow-2:0 2px 6px rgba(20,22,26,.06),0 24px 48px -24px rgba(20,22,26,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input{font-family:inherit}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:48px;max-width:720px}
.section-head h2{font-size:clamp(26px,3.2vw,38px);line-height:1.2;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--ink-2);
  padding:6px 12px;border:1px solid var(--line);border-radius:999px;
  background:var(--paper-2);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--lime-deep)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(20,22,26,.02)}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:32px}

.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-word{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--ink)}
.logo-divider{width:1px;height:16px;background:var(--line)}
.logo-sub{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--muted);padding-top:1px}

.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{
  position:relative;
  font-size:15px;color:var(--ink-2);
  padding:6px 0;
  transition:color .18s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:2px;background:var(--lime);
  transition:width .18s var(--ease);
}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:220px;height:38px;padding:0 10px 0 12px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:999px;
  color:var(--muted);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box input{flex:1;min-width:0;border:0;background:transparent;font-size:13px;color:var(--ink);outline:none}
.search-box input::placeholder{color:var(--muted)}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px var(--lime)}
.key-cap{font-size:11px;line-height:1;padding:3px 6px;border:1px solid var(--line);border-radius:6px;color:var(--muted);background:var(--paper)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--lime);color:var(--ink);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn:disabled{opacity:.45;cursor:not-allowed}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--paper-2);cursor:pointer;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

.mobile-nav{
  display:none;
  position:fixed;left:0;right:0;top:var(--header-h);bottom:0;z-index:70;
  background:var(--ink);
  padding:32px 24px 40px;
  flex-direction:column;gap:8px;
  overflow-y:auto;
}
.mobile-nav a{
  color:rgba(247,245,240,.86);
  font-size:20px;
  padding:14px 4px;
  border-bottom:1px solid rgba(247,245,240,.12);
}
.mobile-nav a.active{color:var(--lime)}
.mobile-nav .btn{margin-top:24px;border-bottom:0;height:52px;font-size:16px}
.mobile-nav.is-open{display:flex}
body.no-scroll{overflow:hidden}

/* ---------- Breadcrumb ---------- */
.crumb{font-size:13px;color:var(--muted);padding:28px 0 0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:var(--muted);transition:color .18s var(--ease)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{opacity:.55}
.crumb .current{color:var(--ink-2)}

/* ---------- Stat bar ---------- */
.stat-bar{
  margin-top:32px;
  background:var(--moss);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  display:grid;
  grid-template-columns:repeat(3,1fr);
  overflow:hidden;
}
.stat{padding:28px 32px;border-left:1px solid rgba(20,22,26,.09)}
.stat:first-child{border-left:0}
.stat-num{
  font-size:32px;font-weight:800;line-height:1.1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:16px;font-weight:700;margin-left:4px}
.stat-label{margin-top:8px;font-size:12px;letter-spacing:.06em;color:var(--muted)}

/* ---------- Category hero ---------- */
.cat-hero{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:64px;
  align-items:end;
  padding:64px 0 24px;
}
.cat-hero h1{
  margin-top:20px;
  font-size:clamp(30px,4vw,46px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.02em;
}
.cat-hero h1 em{font-style:normal;color:var(--lime-deep)}
.cat-hero-side p{font-size:16px;line-height:1.9;color:var(--ink-2)}
.cat-hero-side .link-arrow{margin-top:20px}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.link-arrow svg{transition:transform .18s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow:hover{color:var(--lime-deep)}

/* ---------- Big card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:#D8D4C9}
.card-media{aspect-ratio:16/10;background:var(--moss);overflow:hidden;position:relative}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-tag{
  position:absolute;left:14px;top:14px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:5px 11px;border-radius:999px;
  background:rgba(247,245,240,.92);
  color:var(--ink);
  border:1px solid rgba(20,22,26,.08);
}
.card-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1}
.card-no{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--lime-deep)}
.card-body h3{margin-top:10px;font-size:22px;line-height:1.35;font-weight:600}
.card-body p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.card-foot{margin-top:auto;padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.card-foot span{font-size:13px;color:var(--muted)}
.card-arrow{
  width:40px;height:40px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);background:var(--paper-2);color:var(--ink);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.card:hover .card-arrow{background:var(--ink);border-color:var(--ink);color:var(--lime);transform:translateX(4px)}

/* ---------- Flow steps ---------- */
.flow-grid{display:grid;grid-template-columns:4fr 8fr;gap:64px;align-items:start}
.flow-title{position:sticky;top:96px}
.flow-title h2{font-size:clamp(26px,3vw,36px);line-height:1.22;font-weight:700}
.flow-title p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.flow-list{border-top:1px solid var(--line)}
.flow-item{
  display:grid;grid-template-columns:72px 1fr;gap:24px;
  padding:30px 0;border-bottom:1px solid var(--line);
}
.flow-num{
  font-size:52px;font-weight:300;line-height:1;
  color:rgba(20,22,26,.16);
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:19px;font-weight:600;line-height:1.4}
.flow-item p{margin-top:8px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.flow-item .meta{display:inline-block;margin-top:12px;font-size:12px;letter-spacing:.06em;color:var(--lime-deep);font-weight:600}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;min-height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:18px 0;
  background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--lime-deep)}
.faq-q:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;position:relative;
  transition:transform .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s var(--ease),opacity .22s var(--ease);
  opacity:0;
}
.faq-item.is-open .faq-a{max-height:320px;opacity:1}
.faq-a p{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:760px}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--moss);
  border-radius:var(--r-lg);
  padding:64px;
  display:flex;align-items:center;justify-content:space-between;gap:48px;
  border:1px solid var(--line);
}
.cta-band h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;max-width:520px}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  border-top:1px solid var(--lime);
  color:rgba(247,245,240,.76);
  margin-top:96px;
  padding-top:72px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px}
.footer-brand .logo-word{color:var(--paper)}
.footer-brand .logo-divider{background:rgba(247,245,240,.28)}
.footer-brand .logo-sub{color:rgba(247,245,240,.55)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;max-width:340px;color:rgba(247,245,240,.66)}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--paper);margin-bottom:18px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(247,245,240,.68);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(247,245,240,.12);
  padding:24px 0 32px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(247,245,240,.5);
}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px}
  .cat-hero{gap:48px}
}
@media (max-width:1023px){
  .container{max-width:100%;padding:0 28px}
  .main-nav{display:none}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:72px 0}
  .cat-hero{grid-template-columns:1fr;gap:28px;align-items:start;padding:48px 0 16px}
  .flow-grid{grid-template-columns:1fr;gap:32px}
  .flow-title{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .header-inner{gap:16px}
  .header-actions .btn-ghost{display:none}
  .logo-sub{display:none}
  .logo-divider{display:none}
  .stat-bar{grid-template-columns:1fr;margin-top:24px}
  .stat{border-left:0;border-top:1px solid rgba(20,22,26,.09);padding:20px 22px}
  .stat:first-child{border-top:0}
  .stat-num{font-size:26px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .card-body{padding:22px}
  .card-body h3{font-size:19px}
  .flow-item{grid-template-columns:44px 1fr;gap:16px;padding:24px 0}
  .flow-num{font-size:32px}
  .faq-q{font-size:16px;gap:16px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 24px;gap:28px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .site-footer{margin-top:64px;padding-top:52px}
  .logo-word{font-size:17px}
}
@media (max-width:400px){
  .cat-hero h1{font-size:30px}
  .btn{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}