/* roulang page: index */
:root{
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --surface-2:#EEF3F9;
  --ink:#101B2D;
  --ink-2:#5A6B82;
  --ink-3:#8A99AD;
  --line:#E3E9F2;
  --line-strong:#CBD6E4;
  --brand:#0E5C4C;
  --brand-2:#17A08A;
  --accent:#D9A441;
  --accent-2:#C0392B;
  --dark:#0B1A16;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 8px 24px -12px rgba(16,27,45,.16);
  --sh-3:0 20px 44px -20px rgba(16,27,45,.24);
  --r-lg:16px;
  --r-md:12px;
  --r-img:14px;
  --r-pill:999px;
  --sec:88px;
  --gap:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea,select{font:inherit;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.reading{max-width:760px;}
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.2px;}
.section-head .section-sub{margin-top:8px;color:var(--ink-2);font-size:15px;}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600;white-space:nowrap;}
.link-more svg{transition:transform .2s var(--ease);}
.link-more:hover svg{transform:translateX(4px);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.4px;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand-2);border-radius:2px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 135%);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid var(--line);background:var(--surface);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(14,92,76,.04);}
.btn-ghost-light{border:1px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.08);backdrop-filter:blur(6px);}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.18);}
.btn-accent{background:var(--accent);color:#231703;}
.btn-accent:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge-brand{background:rgba(14,92,76,.09);color:var(--brand);}
.badge-neutral{background:var(--surface-2);color:var(--ink-2);}
.badge-accent{background:rgba(217,164,65,.16);color:#8A6414;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0 0;transition:transform .24s ease;}
.site-header.is-hidden{transform:translateY(-120%);}
.nav-shell{
  max-width:1160px;margin:0 auto;height:60px;
  display:flex;align-items:center;gap:16px;
  padding:0 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  transition:background-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.94);box-shadow:var(--sh-2);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:var(--sh-1);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.2px;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.nav-link{
  position:relative;padding:8px 12px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--ink-2);font-weight:500;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(14,92,76,.08);}
.nav-link.is-active{color:var(--brand);background:rgba(14,92,76,.1);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-text-link{font-size:14px;font-weight:600;color:var(--ink-2);}
.nav-text-link:hover{color:var(--brand);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(11,26,22,.42);opacity:0;pointer-events:none;transition:opacity .24s ease;z-index:70;}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;z-index:80;
  background:var(--surface);box-shadow:var(--sh-3);
  transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px 18px 24px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;font-size:18px;color:var(--ink-2);}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 14px;border-radius:12px;font-size:15px;color:var(--ink-2);
}
.drawer-link:hover,.drawer-link.is-active{background:var(--surface-2);color:var(--brand);font-weight:600;}
.drawer-foot{margin-top:auto;display:grid;gap:10px;}

/* Hero */
.hero{padding:20px 0 0;}
.hero-shell{
  position:relative;overflow:hidden;border-radius:20px;
  min-height:540px;display:flex;align-items:flex-end;
  background:var(--dark);
}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;}
.hero-slide.is-active{opacity:1;}
.hero-slide img{width:100%;height:100%;}
.hero-shell::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,32,28,.12) 0%,rgba(11,32,28,.55) 48%,rgba(11,32,28,.86) 100%);
}
.hero-inner{position:relative;z-index:2;padding:64px 56px 48px;max-width:660px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  color:#fff;font-size:13px;backdrop-filter:blur(6px);
}
.hero h1{
  color:#fff;font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.6px;
  margin:18px 0 16px;text-shadow:0 2px 18px rgba(0,0,0,.28);
}
.hero p.hero-sub{color:rgba(255,255,255,.86);font-size:17px;line-height:1.8;max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;color:rgba(255,255,255,.78);font-size:13px;}
.hero-meta i{width:1px;height:12px;background:rgba(255,255,255,.34);display:inline-block;}
.hero-dots{position:absolute;right:26px;bottom:26px;z-index:3;display:flex;gap:8px;}
.hero-dots button{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.42);transition:background-color .2s ease,transform .2s ease;}
.hero-dots button.is-active{background:var(--accent);transform:scale(1.25);}

/* 横滑 */
.scroller{
  display:flex;gap:var(--gap);overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 18px;margin:0 -4px;
  scrollbar-width:none;
}
.scroller::-webkit-scrollbar{display:none;}
.slide-card{
  position:relative;flex:0 0 240px;scroll-snap-align:start;
  border-radius:var(--r-img);overflow:hidden;background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.slide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.slide-poster{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--surface-2);}
.slide-poster img{width:100%;height:100%;transition:transform .45s var(--ease);}
.slide-card:hover .slide-poster img{transform:scale(1.04);}
.slide-poster::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,26,22,0) 45%,rgba(11,26,22,.82) 100%);}
.slide-info{position:absolute;left:0;right:0;bottom:0;padding:14px;z-index:2;}
.slide-info h3{color:#fff;font-size:15px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.slide-info .badge{margin-top:8px;background:rgba(255,255,255,.18);color:#fff;}
.slide-more{
  flex:0 0 240px;border-radius:var(--r-img);border:1.5px dashed var(--line-strong);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--ink-2);font-size:14px;background:var(--surface);
}
.slide-more:hover{border-color:var(--brand);color:var(--brand);}

/* 热推 */
.feature-grid{display:grid;grid-template-columns:1.9fr 1fr;gap:var(--gap);}
.feature-main{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.feature-main .feature-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.feature-main .feature-media img{width:100%;height:100%;transition:transform .45s var(--ease);}
.feature-main:hover .feature-media img{transform:scale(1.04);}
.feature-main .feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,26,22,.05),rgba(11,26,22,.62));}
.feature-rank{
  position:absolute;left:24px;top:-10px;z-index:3;
  font-size:88px;font-weight:700;line-height:1;color:var(--accent);opacity:.92;
  font-family:"Inter",system-ui,sans-serif;text-shadow:0 6px 24px rgba(0,0,0,.35);
}
.feature-body{padding:22px 24px 24px;}
.feature-body h3{font-size:21px;font-weight:600;line-height:1.4;}
.feature-body p{color:var(--ink-2);font-size:15px;margin-top:8px;}
.feature-body .meta-row{display:flex;align-items:center;gap:10px;margin-top:14px;}
.feature-side{display:grid;gap:var(--gap);}
.mini-card{
  display:flex;gap:14px;align-items:center;padding:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.mini-card img{width:92px;height:72px;border-radius:var(--r-md);flex:0 0 auto;background:var(--surface-2);}
.mini-card h3{font-size:15px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-card p{font-size:13px;color:var(--ink-3);margin-top:6px;}

/* 分类片单 */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.cat-large{
  grid-column:span 2;position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(135deg,#0E5C4C,#0B4A3E 62%,#093831);color:#fff;
  padding:28px;display:flex;flex-direction:column;justify-content:space-between;min-height:230px;
  box-shadow:var(--sh-2);transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.cat-large:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.cat-large img{position:absolute;inset:0;width:100%;height:100%;opacity:.2;object-fit:cover;}
.cat-large > *{position:relative;z-index:2;}
.cat-large h3{font-size:23px;font-weight:700;}
.cat-large p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.82);max-width:340px;}
.cat-large .badge{background:rgba(255,255,255,.16);color:#fff;}
.cat-large .cat-foot{margin-top:20px;display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--accent);}
.cat-mid{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;min-height:230px;display:flex;flex-direction:column;justify-content:space-between;
  box-shadow:var(--sh-1);transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.cat-mid:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--line-strong);}
.cat-mid .cat-idx{font-family:"Inter",system-ui,sans-serif;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.5px;}
.cat-mid h3{font-size:18px;font-weight:600;margin-top:8px;line-height:1.45;}
.cat-mid p{font-size:13.5px;color:var(--ink-2);margin-top:8px;}
.cat-mid .arrow{color:var(--brand);font-size:18px;transition:transform .2s var(--ease);}
.cat-mid:hover .arrow{transform:translateX(4px);}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:transform .26s var(--ease),box-shadow .26s var(--ease);
  overflow:hidden;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
.news-link{display:flex;gap:16px;padding:16px;height:100%;}
.news-thumb{flex:0 0 150px;aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:var(--surface-2);}
.news-thumb img{width:100%;height:100%;transition:transform .4s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{min-width:0;display:flex;flex-direction:column;gap:8px;}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-title{color:var(--brand);}
.news-desc{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--ink-3);}
.empty-state{
  grid-column:1/-1;border:1.5px dashed var(--line-strong);border-radius:var(--r-lg);
  background:var(--surface);padding:48px 24px;text-align:center;color:var(--ink-2);
}
.empty-state svg{margin:0 auto 14px;color:var(--brand-2);}
.empty-state p{font-size:15px;margin-bottom:18px;}

/* 数据条 */
.stats-band{
  background:var(--dark);color:#fff;border-radius:24px;padding:44px 40px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  position:relative;overflow:hidden;
}
.stats-band::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background:repeating-linear-gradient(115deg,#fff 0 2px,transparent 2px 14px);
}
.stats-band .stat{position:relative;z-index:2;}
.stats-band .stat strong{
  display:block;font-family:"Inter",system-ui,sans-serif;
  font-size:36px;font-weight:700;line-height:1.1;color:#fff;
}
.stats-band .stat span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.72);}

/* 设备表格 */
.spec-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start;}
.spec-list li{
  display:flex;align-items:flex-start;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);
}
.spec-list li:first-child{padding-top:0;}
.spec-list .dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:rgba(14,92,76,.1);color:var(--brand);
  font-size:12px;font-weight:700;margin-top:2px;
}
.spec-list h3{font-size:16px;font-weight:600;}
.spec-list p{font-size:14px;color:var(--ink-2);margin-top:4px;}
.spec-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;font-size:14.5px;}
.spec-table th,.spec-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);}
.spec-table th{background:var(--surface-2);font-weight:600;color:var(--ink);font-size:14px;}
.spec-table tr:last-child td{border-bottom:0;}
.spec-table td{color:var(--ink-2);}
.spec-table td:first-child{color:var(--ink);font-weight:600;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;line-height:1.5;
  position:relative;
}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--accent);border-radius:0 3px 3px 0;
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--surface-2);
  display:grid;place-items:center;color:var(--ink-2);transition:transform .25s var(--ease),background-color .25s ease,color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(217,164,65,.18);color:#8A6414;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 56px 22px 22px;color:var(--ink-2);font-size:15px;line-height:1.8;}

/* CTA 条 */
.cta-band{
  background:linear-gradient(120deg,#0E5C4C,#0A4438 70%);border-radius:20px;
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background:repeating-linear-gradient(105deg,#fff 0 2px,transparent 2px 16px);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:26px;font-weight:700;line-height:1.35;}
.cta-band p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.8);}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:var(--sec);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.66);}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-note{margin-top:12px;font-size:13px;color:rgba(255,255,255,.55);line-height:1.7;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#fff;}

/* 回到顶部 */
.to-top{
  position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:#fff;display:grid;place-items:center;
  box-shadow:var(--sh-2);opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,background-color .2s ease;z-index:50;
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{background:var(--brand-2);}

/* 响应式 */
@media (max-width:1280px){
  .nav-link{padding:8px 10px;font-size:14px;}
  .container{padding:0 22px;}
}
@media (max-width:1024px){
  :root{--sec:72px;}
  .nav-links{display:none;}
  .nav-text-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{justify-content:space-between;}
  .hero-inner{padding:52px 36px 40px;max-width:620px;}
  .hero h1{font-size:36px;}
  .feature-grid{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .cat-large{grid-column:span 2;}
  .news-grid{grid-template-columns:1fr;}
  .stats-band{grid-template-columns:repeat(2,1fr);padding:36px 28px;}
  .spec-wrap{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 30px;}
}
@media (max-width:768px){
  :root{--sec:52px;--gap:16px;}
  .container{padding:0 16px;}
  .hero{padding:14px 0 0;}
  .hero-shell{border-radius:16px;min-height:440px;}
  .hero-inner{padding:38px 22px 32px;}
  .hero h1{font-size:29px;margin:14px 0 12px;}
  .hero p.hero-sub{font-size:15.5px;}
  .hero-cta .btn{flex:1 1 100%;}
  .hero-dots{right:16px;bottom:16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head h2{font-size:23px;}
  .slide-card,.slide-more{flex:0 0 78vw;}
  .cat-grid{grid-template-columns:1fr;}
  .cat-large,.cat-mid{grid-column:span 1;min-height:190px;}
  .stats-band{grid-template-columns:1fr;gap:20px;}
  .news-link{flex-direction:column;}
  .news-thumb{flex:0 0 auto;width:100%;aspect-ratio:16/9;}
  .faq-q{padding:16px 16px;font-size:15px;}
  .faq-a-inner{padding:0 22px 18px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding:48px 0 22px;}
  .brand-text{font-size:16px;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .hero-meta{gap:10px;font-size:12px;}
  .slide-card,.slide-more{flex:0 0 82vw;}
  .btn{height:46px;padding:0 20px;}
  .cta-band h2{font-size:21px;}
  .spec-table th,.spec-table td{padding:11px 12px;font-size:13.5px;}
}

/* roulang page: article */
:root{
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --surface-2:#EEF3F9;
  --surface-3:#F1F5FA;
  --ink:#101B2D;
  --ink-2:#5A6B82;
  --ink-3:#8A99AD;
  --line:#E3E9F2;
  --line-strong:#CBD6E4;
  --brand:#0E5C4C;
  --brand-2:#17A08A;
  --brand-soft:rgba(14,92,76,.08);
  --accent:#D9A441;
  --accent-2:#C0392B;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 8px 24px -12px rgba(16,27,45,.16);
  --sh-3:0 20px 44px -20px rgba(16,27,45,.24);
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --read:760px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;}
p{margin:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.no-scroll{overflow:hidden;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:12px 0 0;
  transition:transform .24s var(--ease);
}
.site-header.is-hidden{transform:translateY(-120%);}
.nav-shell{
  max-width:1160px;margin:0 auto;height:60px;
  display:flex;align-items:center;gap:18px;
  padding:0 20px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.94);box-shadow:var(--sh-2);}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:32px;height:32px;flex:none;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-weight:700;font-size:15px;letter-spacing:.5px;
}
.brand-text{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;height:36px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%) scale(.4);
  width:6px;height:6px;border-radius:50%;background:var(--brand-2);
  opacity:0;transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link:hover::after{opacity:1;transform:translateX(-50%) scale(1);}
.nav-link.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.nav-link.is-active::after{opacity:1;transform:translateX(-50%) scale(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:14px;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink);transition:transform .24s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.drawer-overlay{
  position:fixed;inset:0;background:rgba(11,26,22,.44);z-index:90;
  opacity:0;transition:opacity .24s var(--ease);
}
.drawer-overlay.is-open{opacity:1;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;z-index:95;
  background:var(--surface);border-left:1px solid var(--line);
  padding:24px 20px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(102%);transition:transform .26s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer .drawer-title{font-size:13px;color:var(--ink-3);padding:4px 8px 10px;}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:12px;
  font-size:15px;color:var(--ink-2);
}
.mobile-drawer a.drawer-link:hover{background:var(--surface-3);color:var(--brand);}
.mobile-drawer a.drawer-link.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:var(--sh-1);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(14,92,76,.04);}
.btn-accent{background:var(--accent);color:#2A1E05;}
.btn-accent:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{display:flex;width:100%;}
.btn-text{color:var(--brand);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;}
.btn-text svg{transition:transform .2s var(--ease);}
.btn-text:hover svg{transform:translateX(3px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;line-height:1;white-space:nowrap;
}
.badge-brand{background:rgba(14,92,76,.09);color:var(--brand);}
.badge-neutral{background:var(--surface-2);color:var(--ink-2);}
.badge-accent{background:rgba(217,164,65,.16);color:#8A6314;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:28px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line-strong);}
.crumb .current{color:var(--ink);}

/* ---------- 文章标题区 ---------- */
.article-head{padding:18px 0 0;max-width:var(--read);margin:0 auto;}
.article-head h1{
  font-size:34px;line-height:1.28;font-weight:700;color:var(--ink);
  word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:18px;padding-bottom:20px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong);}

/* ---------- 布局 ---------- */
.article-wrap{padding:34px 0 0;}
.layout{
  display:grid;grid-template-columns:minmax(0,var(--read)) 300px;
  gap:48px;justify-content:center;align-items:start;
}
.reading{min-width:0;}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--ink-2);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:24px;line-height:1.4;color:var(--ink);
  margin:36px 0 14px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.article-body h3{font-size:19px;line-height:1.5;color:var(--ink);margin:26px 0 10px;}
.article-body h4{font-size:17px;color:var(--ink);margin:22px 0 8px;}
.article-body p{margin:0 0 18px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:20px;}
.article-body ul li,.article-body ol li{position:relative;margin-bottom:8px;padding-left:16px;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;border-radius:2px;background:var(--brand-2);
}
.article-body ol{counter-reset:li;list-style:none;}
.article-body ol li::before{
  counter-increment:li;content:counter(li);
  position:absolute;left:0;top:.2em;color:var(--accent);font-weight:700;font-size:14px;
}
.article-body blockquote{
  margin:0 0 20px;padding:16px 18px;
  border-left:4px solid var(--brand-2);background:var(--surface-2);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-2);
}
.article-body img{border-radius:var(--r-md);margin:8px auto 6px;}
.article-body figure{margin:0 0 20px;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--brand-2);}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px;background:var(--surface);border-radius:var(--r-md);overflow:hidden;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--surface-2);color:var(--ink);font-weight:600;}
.article-body code{background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0;}
.article-body strong{color:var(--ink);}

.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  background:var(--surface);padding:40px 24px;text-align:center;
}
.empty-state .icon{
  width:48px;height:48px;margin:0 auto 14px;border-radius:14px;
  display:grid;place-items:center;background:var(--surface-2);color:var(--brand);
}
.empty-state h3{font-size:18px;color:var(--ink);margin-bottom:8px;}
.empty-state p{color:var(--ink-3);font-size:14px;margin-bottom:18px;}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:20px;
}
.side-card h3{font-size:15px;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--accent);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;font-size:14px;color:var(--ink-2);
  padding:7px 10px;border-radius:10px;line-height:1.5;
  border-left:2px solid transparent;
}
.toc-list a.lvl-3{padding-left:22px;font-size:13px;color:var(--ink-3);}
.toc-list a:hover{background:var(--surface-3);color:var(--brand);}
.toc-list a.is-active{color:var(--brand);background:var(--brand-soft);border-left-color:var(--brand-2);font-weight:600;}
.related-mini{display:flex;flex-direction:column;gap:14px;}
.related-mini a{display:flex;gap:12px;align-items:flex-start;}
.related-mini img{width:76px;height:58px;flex:none;border-radius:10px;object-fit:cover;background:var(--surface-2);}
.related-mini .rm-t{font-size:14px;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.related-mini a:hover .rm-t{color:var(--brand);}
.related-mini .rm-d{font-size:12px;color:var(--ink-3);margin-top:4px;}
.toc-collapse{display:none;}

/* ---------- 提示条 ---------- */
.notice-band{
  margin-top:52px;
  border-radius:20px;overflow:hidden;position:relative;
  background:linear-gradient(180deg,rgba(11,32,28,.86),rgba(11,32,28,.94)),
             url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color:#fff;padding:32px;
}
.notice-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.notice-band .nb-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;}
.notice-band h2{font-size:22px;color:#fff;margin-bottom:8px;}
.notice-band p{font-size:14px;color:rgba(255,255,255,.76);max-width:560px;}
.notice-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.notice-points span{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);color:rgba(255,255,255,.86);font-size:12px;
}

/* ---------- 相关推荐横滑 ---------- */
.section{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.section-head h2{font-size:26px;line-height:1.3;color:var(--ink);}
.section-head .sub{font-size:14px;color:var(--ink-3);margin-top:6px;}
.hscroll{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:8px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.hscroll::-webkit-scrollbar{display:none;}
.h-card{
  flex:0 0 240px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.h-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--line-strong);}
.h-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--surface-2);}
.h-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.h-card:hover .thumb img{transform:scale(1.04);}
.h-card .thumb .tag{
  position:absolute;left:12px;bottom:12px;
  background:rgba(11,26,22,.72);color:#fff;
}
.h-card .body{padding:16px 18px 20px;}
.h-card .body h3{
  font-size:16px;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.h-card:hover .body h3{color:var(--brand);}
.h-card .body p{font-size:13px;color:var(--ink-3);margin-top:8px;}

.back-row{
  width:100%;max-width:var(--read);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:30px 0 0;flex-wrap:wrap;
}

/* ---------- CTA ---------- */
.cta-band{padding:72px 0 0;}
.cta-inner{
  border-radius:20px;padding:36px;
  background:linear-gradient(120deg,#0B3F35,var(--brand) 55%,#12705C);
  color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.cta-inner > *{position:relative;z-index:1;}
.cta-inner h2{font-size:26px;color:#fff;margin-bottom:8px;}
.cta-inner p{font-size:14px;color:rgba(255,255,255,.78);max-width:520px;}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--sh-2);color:var(--brand);
  display:grid;place-items:center;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),background .2s var(--ease);
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{background:var(--surface-3);}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:80px;background:#0B1A16;color:rgba(255,255,255,.72);padding:56px 0 24px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:14px;font-size:13px;line-height:1.8;color:rgba(255,255,255,.66);max-width:300px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col a{display:block;padding:6px 0;color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-note{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:10px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .layout{gap:36px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-actions{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-shell{padding:0 14px 0 18px;}
  .layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .sidebar{position:static;}
  .toc-collapse{display:block;}
  .side-card.toc-card{display:none;}
  .article-head h1{font-size:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .section{padding-top:52px;}
  .section-head h2{font-size:22px;}
  .cta-inner{padding:26px;}
  .cta-inner h2{font-size:22px;}
  .notice-band{padding:24px;}
  .h-card{flex:0 0 78vw;}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:8px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:480px){
  .crumb-bar{padding-top:20px;}
  .article-head h1{font-size:23px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .h-card{flex:0 0 84vw;}
  .back-row .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --surface-2:#EEF3F9;
  --ink:#101B2D;
  --ink-2:#5A6B82;
  --ink-3:#8A99AD;
  --line:#E3E9F2;
  --line-strong:#CBD6E4;
  --brand:#0E5C4C;
  --brand-2:#17A08A;
  --accent:#D9A441;
  --accent-2:#C0392B;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 8px 24px -12px rgba(16,27,45,.16);
  --sh-3:0 20px 44px -20px rgba(16,27,45,.24);
  --r-card:16px;
  --r-small:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:Inter,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -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}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:12px 16px 0;
  transition:transform .24s ease,background .24s ease;
}
.site-header.is-hidden{transform:translateY(-130%)}
.nav-shell{
  max-width:1160px;margin:0 auto;height:60px;
  display:flex;align-items:center;gap:18px;
  padding:0 20px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:background .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.94);box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-weight:700;font-size:16px;letter-spacing:.5px;
  box-shadow:var(--sh-1);
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-link{
  position:relative;
  padding:8px 13px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(14,92,76,.08)}
.nav-link.is-active{color:var(--brand);background:rgba(14,92,76,.08);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:50%;
  align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--surface);color:var(--brand);
}
.nav-toggle:hover{background:rgba(14,92,76,.06)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:var(--sh-1);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  border:1px solid var(--line-strong);color:var(--ink);background:transparent;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(14,92,76,.04)}
.btn-accent{
  background:var(--accent);color:#1B1403;
  box-shadow:0 8px 20px -12px rgba(217,164,65,.9);
}
.btn-accent:hover{transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(217,164,65,.95)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600}
.btn-text svg{transition:transform .22s var(--ease)}
.btn-text:hover svg{transform:translateX(3px)}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,26,22,.42);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;z-index:100;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:20px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink-2);
}
.drawer-close:hover{background:var(--surface-2);color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  height:48px;display:flex;align-items:center;
  border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);
}
.drawer-nav a:hover{color:var(--brand)}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:16px}
.drawer-foot .btn{width:100%}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);padding:20px 0 14px;
}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--line-strong)}
.crumbs .current{color:var(--ink-2)}

/* ---------- Hero-lite ---------- */
.hero-lite{
  position:relative;border-radius:20px;overflow:hidden;
  min-height:276px;display:flex;align-items:flex-end;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  box-shadow:var(--sh-2);
}
.hero-lite::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,32,28,.12),rgba(11,32,28,.72));
}
.hero-inner{position:relative;z-index:2;padding:34px 36px;max-width:720px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(217,164,65,.18);color:#F4DCA6;
  font-size:12px;letter-spacing:.4px;margin-bottom:14px;
}
.hero-lite h1{
  font-size:36px;line-height:1.22;font-weight:700;color:#fff;
  margin-bottom:12px;
}
.hero-lite p{font-size:16px;color:rgba(255,255,255,.82);margin-bottom:20px;max-width:520px}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:rgba(255,255,255,.78);
}
.hero-meta span{display:inline-flex;align-items:center;gap:10px}
.hero-meta span:not(:last-child)::after{content:"";width:1px;height:12px;background:rgba(255,255,255,.35)}

/* ---------- 板块 ---------- */
.section{padding:var(--sec) 0}
.section-tight{padding:56px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:32px;
}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700}
.section-head .section-sub{font-size:14px;color:var(--ink-3);margin-top:8px}
.section-label{
  display:inline-block;font-size:12px;letter-spacing:1px;
  color:var(--brand);background:rgba(14,92,76,.08);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:14px;
}

/* ---------- 数据条 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:-34px;position:relative;z-index:5}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.stat-label{font-size:13px;color:var(--ink-3)}
.stat-value{font-size:22px;font-weight:700;margin-top:6px;letter-spacing:-.2px}
.stat-value small{font-size:13px;font-weight:500;color:var(--ink-3);margin-left:4px}

/* ---------- 说明区 ---------- */
.note-block{max-width:820px}
.note-block p{font-size:17px;line-height:1.9;color:var(--ink-2)}
.note-block p + p{
  margin-top:22px;padding-top:22px;border-top:1px solid var(--line);
}
.note-block p strong{color:var(--ink);font-weight:600}

/* ---------- 条目卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.entry-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.entry-card:hover .entry-media img{transform:scale(1.04)}
.entry-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-body h3{
  font-size:19px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-body p{
  font-size:14.5px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;white-space:nowrap;
}
.badge-brand{background:rgba(14,92,76,.1);color:var(--brand)}
.badge-neutral{background:var(--surface-2);color:var(--ink-2)}
.badge-accent{background:rgba(217,164,65,.16);color:#8A6413}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.entry-arrow{color:var(--ink-3);transition:transform .26s var(--ease),color .26s ease}
.entry-card:hover .entry-arrow{transform:translateX(4px);color:var(--brand)}

/* ---------- CTA 条 ---------- */
.cta-section{
  position:relative;
  background:var(--brand);
  padding:64px 0;
  overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:repeating-linear-gradient(135deg,#fff 0 2px,transparent 2px 14px);
}
.cta-band{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:20px;
  padding:32px 36px;
  background:rgba(255,255,255,.06);
}
.cta-band h2{font-size:26px;line-height:1.35;color:#fff;font-weight:700}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin-top:10px;max-width:640px}

/* ---------- 对比块 ---------- */
.compare{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:20px;padding:34px;box-shadow:var(--sh-2);
}
.compare-lead h3{font-size:21px;font-weight:700;line-height:1.45;margin-bottom:12px}
.compare-lead p{color:var(--ink-2);font-size:15.5px;line-height:1.85}
.compare-lead p + p{margin-top:14px}
.num-list li{
  display:flex;gap:16px;align-items:flex-start;
  padding:15px 0;border-bottom:1px solid var(--line);
}
.num-list li:last-child{border-bottom:0;padding-bottom:0}
.num-list li:first-child{padding-top:0}
.num{
  font-size:21px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.5;flex:none;
}
.num-list strong{display:block;font-size:16px;font-weight:600;color:var(--ink)}
.num-list span{display:block;font-size:14px;color:var(--ink-2);margin-top:2px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow .26s var(--ease),border-color .26s ease;
}
.faq-item.is-open{box-shadow:inset 3px 0 0 var(--accent),var(--sh-2);border-color:var(--line-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--brand)}
.faq-arrow{flex:none;color:var(--ink-3);transition:transform .26s var(--ease)}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--accent)}
.faq-a{display:none;padding:0 22px 20px;color:var(--ink-2);font-size:15px;line-height:1.85}
.faq-item.is-open .faq-a{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B1A16;color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;margin-top:16px;line-height:1.8;max-width:300px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-note{font-size:14px;line-height:1.8;margin-bottom:10px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--brand);color:#fff;box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .26s ease,visibility .26s ease,transform .26s var(--ease),background .2s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .nav-link{padding:8px 10px;font-size:14.5px}
}
@media (max-width:1024px){
  :root{--sec:72px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-shell{justify-content:space-between}
  .nav-actions .btn{display:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr);margin-top:-24px}
  .compare{grid-template-columns:1fr;gap:26px;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .hero-lite h1{font-size:32px}
}
@media (max-width:768px){
  :root{--sec:52px}
  .container{padding:0 16px}
  .site-header{padding:10px 12px 0}
  .hero-inner{padding:24px 22px}
  .hero-lite{min-height:252px;border-radius:16px}
  .hero-lite h1{font-size:26px}
  .hero-lite p{font-size:15px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px}
  .section-head h2{font-size:23px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px;margin-top:-18px}
  .stat-value{font-size:19px}
  .cta-band{flex-direction:column;align-items:flex-start;gap:22px;padding:26px 22px}
  .cta-band .btn{width:100%}
  .cta-band h2{font-size:22px}
  .note-block p{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{height:46px}
}
@media (max-width:480px){
  .stat-grid{grid-template-columns:1fr}
  .hero-lite h1{font-size:23px}
  .btn{padding:0 18px}
}

/* roulang page: category2 */
:root{
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --surface-2:#EEF3F9;
  --ink:#101B2D;
  --ink-2:#5A6B82;
  --ink-3:#8A99AD;
  --line:#E3E9F2;
  --line-strong:#CBD6E4;
  --brand:#0E5C4C;
  --brand-2:#17A08A;
  --accent:#D9A441;
  --accent-2:#C0392B;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 8px 24px -12px rgba(16,27,45,.16);
  --sh-3:0 20px 44px -20px rgba(16,27,45,.24);
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --pad-sec:88px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--pad-sec) 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:0}
.section-head p{margin-top:8px;color:var(--ink-2);font-size:15px}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;white-space:nowrap}
.link-more span{transition:transform .22s var(--ease)}
.link-more:hover span{transform:translateX(3px)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;padding:12px 16px 0;transition:transform .24s ease}
.site-header.is-hidden{transform:translateY(-130%)}
.nav-shell{
  max-width:1160px;margin:0 auto;height:60px;
  display:flex;align-items:center;gap:16px;padding:0 20px;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-1);
  transition:background .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.94);box-shadow:var(--sh-2)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-size:15px;font-weight:700;
}
.brand-text{font-size:16px;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-link{position:relative;padding:8px 12px;border-radius:999px;font-size:14.5px;color:var(--ink-2);transition:color .2s,background .2s}
.nav-link:hover{color:var(--brand);background:rgba(14,92,76,.06)}
.nav-link.is-active{color:var(--brand);background:rgba(14,92,76,.09);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:14px;flex:none}
.nav-quiet{font-size:14px;color:var(--ink-2);transition:color .2s}
.nav-quiet:hover{color:var(--brand)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--surface)}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* 抽屉 */
.nav-mask{position:fixed;inset:0;background:rgba(11,26,22,.42);opacity:0;pointer-events:none;transition:opacity .24s ease;z-index:90}
.nav-mask.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;z-index:100;
  background:var(--surface);border-left:1px solid var(--line);
  padding:22px 20px 28px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(105%);transition:transform .28s var(--ease);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer .drawer-title{font-size:13px;color:var(--ink-3);margin:6px 0 6px}
.nav-drawer a.drawer-link{display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;font-size:15px;color:var(--ink-2)}
.nav-drawer a.drawer-link:hover{background:var(--surface-2)}
.nav-drawer a.drawer-link.is-active{color:var(--brand);background:rgba(14,92,76,.09);font-weight:600}
.drawer-cta{margin-top:auto;padding-top:18px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(14,92,76,.04)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent{background:var(--accent);color:#1B1508}
.btn-accent:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-size:12px;line-height:1;white-space:nowrap}
.badge-brand{background:rgba(14,92,76,.1);color:var(--brand)}
.badge-neutral{background:var(--surface-2);color:var(--ink-2)}
.badge-accent{background:rgba(217,164,65,.16);color:#8A6413}

/* Hero-lite */
.hero-lite{max-width:1200px;margin:20px auto 0;padding:0 24px}
.hero-lite-inner{
  position:relative;border-radius:20px;overflow:hidden;
  min-height:270px;display:flex;align-items:flex-end;
  background-image:linear-gradient(180deg,rgba(11,32,28,.22),rgba(11,32,28,.84)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.hero-lite-content{padding:28px 32px 30px;max-width:660px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:14px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.6}
.crumb .current{color:#fff}
.hero-lite h1{font-size:38px;line-height:1.2;font-weight:700;color:#fff;letter-spacing:-.2px}
.hero-lite .hero-sub{margin-top:12px;font-size:16px;color:rgba(255,255,255,.86);max-width:520px}
.hero-lite .hero-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px}
.btn-outline-white{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-white:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* 状态条 */
.status-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:40px}
.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:22px 0}
.status-item{display:flex;flex-direction:column;gap:4px;border-left:2px solid var(--line);padding-left:16px}
.status-item.is-live{border-left-color:var(--brand-2)}
.status-label{font-size:13px;color:var(--ink-3)}
.status-value{font-size:17px;font-weight:600;color:var(--ink);font-family:Inter,"SF Pro",system-ui,sans-serif;letter-spacing:.2px}
.live-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--brand-2);margin-right:6px;box-shadow:0 0 0 4px rgba(23,160,138,.16)}

/* 说明区 */
.intro-block{max-width:820px}
.intro-block p{font-size:17px;line-height:1.9;color:var(--ink-2)}
.intro-block p + p{margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}

/* 版本卡网格 */
.version-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.v-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s ease;
}
.v-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--line-strong)}
.v-thumb{position:relative;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden}
.v-thumb img{width:100%;height:100%;transition:transform .45s var(--ease)}
.v-card:hover .v-thumb img{transform:scale(1.04)}
.v-version{
  position:absolute;left:14px;top:14px;
  background:rgba(11,26,22,.78);color:#fff;border-radius:999px;
  height:26px;padding:0 12px;display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:600;letter-spacing:.4px;font-family:Inter,"SF Pro",system-ui,sans-serif;
}
.v-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.v-body h3{font-size:19px;line-height:1.45;font-weight:600}
.v-body p{font-size:14.5px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.v-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:6px}
.v-meta time{font-size:13px;color:var(--ink-3);font-family:Inter,"SF Pro",system-ui,sans-serif}
.v-arrow{margin-left:auto;color:var(--ink-3);transition:transform .22s var(--ease),color .22s ease;font-size:16px}
.v-card:hover .v-arrow{transform:translateX(4px);color:var(--brand)}

/* CTA 条 */
.cta-band{background:var(--brand);position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 12px);
  opacity:.9;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px 0;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:28px;line-height:1.35;font-weight:700}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;margin-top:10px;max-width:620px}

/* 对比块 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.compare-left{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1)}
.compare-left h2{font-size:26px;line-height:1.35;font-weight:700}
.compare-left p{margin-top:16px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.compare-right{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-card);padding:28px}
.compare-right h3{font-size:15px;color:var(--ink-3);font-weight:600;margin-bottom:18px}
.num-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line-strong)}
.num-list li:last-child{border-bottom:0;padding-bottom:0}
.num-list .num{font-family:Inter,"SF Pro",system-ui,sans-serif;font-size:18px;font-weight:700;color:var(--accent);line-height:1.5;min-width:24px}
.num-list .txt strong{display:block;font-size:15.5px;font-weight:600;color:var(--ink)}
.num-list .txt span{display:block;font-size:14px;color:var(--ink-2);margin-top:2px}

/* FAQ */
.faq-wrap{max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--accent);opacity:0;transition:opacity .24s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary .caret{margin-left:auto;color:var(--ink-3);transition:transform .26s var(--ease);font-size:13px}
.faq-item[open] summary .caret{transform:rotate(180deg)}
.faq-item .faq-body{padding:0 22px 20px;color:var(--ink-2);font-size:15px;line-height:1.85;max-width:760px}
.faq-item summary:hover{background:#F1F5FA}

/* 图文小节 */
.media-strip{display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--sh-1)}
.media-strip img{border-radius:var(--r-img);aspect-ratio:4/3;width:100%}
.media-strip h3{font-size:22px;font-weight:700;line-height:1.4}
.media-strip p{margin-top:14px;color:var(--ink-2);font-size:15.5px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-2);
  display:grid;place-items:center;color:var(--brand);cursor:pointer;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease,background .2s ease;z-index:70;
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--surface-2)}

/* 页脚 */
.site-footer{background:#0B1A16;color:rgba(255,255,255,.72);margin-top:88px;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:32px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:280px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;line-height:2.2;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-note{font-size:13.5px;line-height:1.85;margin-bottom:10px}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media (max-width:1024px){
  :root{--pad-sec:72px}
  .nav-links{display:none}
  .nav-quiet{display:none}
  .nav-toggle{display:flex}
  .hero-lite h1{font-size:32px}
  .status-grid{grid-template-columns:repeat(2,1fr)}
  .compare{grid-template-columns:1fr}
  .media-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  :root{--pad-sec:52px}
  .container{padding:0 16px}
  .hero-lite{padding:0 16px;margin-top:14px}
  .hero-lite-inner{border-radius:16px;min-height:240px}
  .hero-lite-content{padding:22px 20px 24px}
  .hero-lite h1{font-size:27px}
  .hero-lite .hero-sub{font-size:15px}
  .hero-lite .hero-actions{gap:10px}
  .hero-lite .hero-actions .btn{height:44px;padding:0 18px;font-size:14.5px}
  .version-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:24px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px;padding:34px 0}
  .cta-inner h2{font-size:23px}
  .cta-inner .btn{width:100%}
  .compare-left,.compare-right{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:56px;padding-top:40px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:480px){
  .status-grid{grid-template-columns:1fr;gap:14px}
  .status-item{padding-left:12px}
  .hero-lite h1{font-size:24px}
  .v-body{padding:18px}
  .v-body h3{font-size:17px}
}

/* roulang page: category3 */
:root{
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --surface-2:#EEF3F9;
  --ink:#101B2D;
  --ink-2:#5A6B82;
  --ink-3:#8A99AD;
  --line:#E3E9F2;
  --line-strong:#CBD6E4;
  --brand:#0E5C4C;
  --brand-2:#17A08A;
  --accent:#D9A441;
  --accent-2:#C0392B;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 8px 24px -12px rgba(16,27,45,.16);
  --sh-3:0 20px 44px -20px rgba(16,27,45,.24);
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --gap:24px;
  --sec:88px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",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(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(26px,3.4vw,42px);line-height:1.22;font-weight:700;letter-spacing:.2px;}
h2{font-size:clamp(22px,2.4vw,31px);line-height:1.3;font-weight:700;}
h3{font-size:19px;line-height:1.45;font-weight:600;}
:focus-visible{outline:none;box-shadow:0 0 0 2px var(--brand-2),0 0 0 5px rgba(23,160,138,.22);border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-narrow{width:100%;max-width:760px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:640px;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;white-space:nowrap;}
.text-link .arw{transition:transform .24s var(--ease);}
.text-link:hover .arw{transform:translateX(3px);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:12px 0 0;transition:transform .24s ease;}
.site-header.is-hidden{transform:translateY(-120%);}
.nav-shell{
  max-width:1160px;
  margin:0 auto;
  height:60px;
  padding:0 20px;
  display:flex;
  align-items:center;
  gap:18px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.94);box-shadow:var(--sh-2);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-weight:700;font-size:17px;letter-spacing:.5px;
  box-shadow:var(--sh-1);
}
.brand-text{font-weight:700;font-size:17px;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:8px 13px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:rgba(14,92,76,.08);}
.nav-link.is-active{color:var(--brand);background:rgba(14,92,76,.08);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.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 ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:var(--sh-1);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  border:1px solid var(--line-strong);
  color:var(--ink);
  background:var(--surface);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(14,92,76,.04);}
.btn-accent{
  background:var(--accent);color:#21170A;font-weight:700;
}
.btn-accent:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;
}
.badge-brand{background:rgba(14,92,76,.1);color:var(--brand);}
.badge-neutral{background:var(--surface-2);color:var(--ink-2);}
.badge-accent{background:rgba(217,164,65,.18);color:#8A6410;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- Hero-lite ---------- */
.hero-lite{
  position:relative;
  margin-top:20px;
  border-radius:20px;
  overflow:hidden;
  min-height:264px;
  display:flex;
  align-items:flex-end;
  background:#0B201C url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.hero-lite::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,32,28,.28),rgba(11,32,28,.72));
}
.hero-lite .hero-inner{
  position:relative;z-index:2;
  width:100%;
  padding:52px 44px 44px;
  color:#fff;
}
.hero-crumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:14px;}
.hero-crumb a{color:rgba(255,255,255,.72);}
.hero-crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.hero-crumb span{margin:0 6px;}
.hero-lite h1{color:#fff;max-width:760px;}
.hero-lite .hero-sub{
  margin-top:14px;max-width:620px;font-size:16px;color:rgba(255,255,255,.86);
}
.hero-lite .hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:22px;
  font-size:13px;color:rgba(255,255,255,.78);
}
.hero-stats i{font-style:normal;opacity:.6;margin-right:8px;}

/* ---------- 说明区 ---------- */
.prose-block{max-width:860px;}
.prose-block p{color:var(--ink-2);font-size:17px;line-height:1.9;}
.prose-block p + p{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);}
.prose-block strong{color:var(--ink);font-weight:600;}

/* ---------- 卡片网格 ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--line-strong);}
.card:focus-within{box-shadow:0 0 0 2px var(--brand-2),0 0 0 5px rgba(23,160,138,.18),var(--sh-2);}
.card-media{position:relative;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.card:hover .card-media img{transform:scale(1.05);}
.card-media .card-index{
  position:absolute;left:14px;top:12px;
  font-size:13px;font-weight:700;color:#fff;
  background:rgba(11,32,28,.55);
  border-radius:var(--r-pill);padding:3px 10px;backdrop-filter:blur(6px);
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;gap:12px;}
.card-body h3{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{
  color:var(--ink-2);font-size:14.5px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.card-arrow{color:var(--ink-3);font-weight:700;transition:transform .24s var(--ease),color .24s ease;}
.card:hover .card-arrow{transform:translateX(4px);color:var(--brand);}

/* ---------- 要点 / 对比块 ---------- */
.compare{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.compare-left{padding:36px 36px 34px;background:linear-gradient(160deg,#0E5C4C,#0B3F35);color:#fff;}
.compare-left h2{color:#fff;font-size:26px;}
.compare-left p{margin-top:14px;color:rgba(255,255,255,.78);font-size:15px;line-height:1.85;}
.compare-left .mini{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px;}
.compare-left .mini span{
  font-size:12px;padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);color:rgba(255,255,255,.9);
}
.compare-right{padding:34px 36px;}
.compare-right h3{font-size:18px;margin-bottom:6px;}
.compare-right .hint{color:var(--ink-3);font-size:13.5px;margin-bottom:18px;}
.check-list li{
  display:flex;gap:14px;padding:15px 0;border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list .num{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(217,164,65,.16);color:#8A6410;font-weight:700;font-size:14px;
}
.check-list .txt strong{display:block;font-size:15.5px;color:var(--ink);font-weight:600;}
.check-list .txt span{display:block;font-size:14px;color:var(--ink-2);margin-top:3px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--brand);
  border-radius:20px;
  padding:44px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 14px);
  opacity:.6;pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(21px,2.2vw,28px);}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.8);font-size:15px;max-width:560px;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:background .2s ease;
}
.faq-q:hover{background:#F1F5FA;}
.faq-item.is-open .faq-q{background:#F1F5FA;}
.faq-chev{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line-strong);display:inline-flex;align-items:center;justify-content:center;
  transition:transform .28s var(--ease),border-color .2s ease,color .2s ease;
  color:var(--ink-3);font-size:12px;
}
.faq-item.is-open .faq-chev{transform:rotate(180deg);border-color:var(--brand);color:var(--brand);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s var(--ease);
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a{border-left-color:var(--accent);}
.faq-a .faq-a-inner{padding:0 26px 22px 26px;color:var(--ink-2);font-size:15px;line-height:1.85;}

/* ---------- 结尾引导 ---------- */
.next-links{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.next-card{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:22px 24px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s ease;
}
.next-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--line-strong);}
.next-card span{font-weight:600;font-size:15.5px;}
.next-card em{font-style:normal;font-size:13px;color:var(--ink-3);display:block;margin-top:4px;font-weight:400;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B1A16;color:rgba(255,255,255,.72);margin-top:var(--sec);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--brand-2),var(--brand));}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:300px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-note{font-size:14px;line-height:1.8;margin-bottom:10px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s,background .2s ease;
  z-index:70;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-2);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,26,22,.45);opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;
  background:var(--surface);z-index:95;padding:22px 20px 26px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateX(102%);transition:transform .28s var(--ease);
  box-shadow:var(--sh-3);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer .drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink-2);}
.drawer a.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  font-size:15.5px;color:var(--ink-2);transition:background .2s ease,color .2s ease;
}
.drawer a.drawer-link:hover{background:var(--surface-2);color:var(--brand);}
.drawer a.drawer-link.is-active{background:rgba(14,92,76,.08);color:var(--brand);font-weight:600;}
.drawer .drawer-cta{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);}

/* ---------- 状态样式 ---------- */
.skeleton{background:var(--surface-2);border-radius:var(--r-img);position:relative;overflow:hidden;}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);
  animation:shimmer 1.4s infinite;
}
@keyframes shimmer{0%{transform:translateX(-100%);}100%{transform:translateX(100%);}}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  padding:36px 24px;text-align:center;background:var(--surface);
}
.empty-state p{color:var(--ink-2);font-size:15px;margin:12px 0 18px;}
.empty-state .icon{
  width:46px;height:46px;margin:0 auto;border-radius:14px;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}

/* ---------- 断点 ---------- */
@media (max-width:1280px){
  .nav-link{padding:8px 10px;font-size:14.5px;}
}
@media (max-width:1024px){
  :root{--sec:72px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-nav-cta{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .compare{grid-template-columns:1fr;}
  .next-links{grid-template-columns:1fr 1fr;}
  .hero-lite .hero-inner{padding:42px 32px 36px;}
}
@media (max-width:768px){
  :root{--sec:64px;--gap:16px;}
  .container{padding:0 16px;}
  .hero-lite{margin-top:12px;border-radius:16px;min-height:0;}
  .hero-lite .hero-inner{padding:34px 22px 30px;}
  .hero-lite .hero-sub{font-size:15px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;border-radius:16px;}
  .cta-band .btn{width:100%;}
  .compare-left,.compare-right{padding:28px 24px;}
  .faq-q{padding:17px 18px;font-size:15px;}
  .faq-a .faq-a-inner{padding:0 18px 18px 18px;font-size:14.5px;}
  .next-links{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{padding:48px 0 24px;}
}
@media (max-width:520px){
  .grid-cards{grid-template-columns:1fr;}
  .nav-shell{height:56px;padding:0 14px;}
  .brand-text{font-size:15.5px;}
  .hero-lite .hero-actions .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .card-body{padding:18px;}
  h1{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}

/* roulang page: category4 */
:root{
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --surface-2:#EEF3F9;
  --ink:#101B2D;
  --ink-2:#5A6B82;
  --ink-3:#8A99AD;
  --line:#E3E9F2;
  --line-strong:#CBD6E4;
  --brand:#0E5C4C;
  --brand-2:#17A08A;
  --accent:#D9A441;
  --accent-2:#C0392B;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 8px 24px -12px rgba(16,27,45,.16);
  --sh-3:0 20px 44px -20px rgba(16,27,45,.24);
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","SF Pro",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{
  scroll-behavior:smooth;
  scroll-padding-top:104px;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
button{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
time{font-family:var(--font-num);}

:focus-visible{
  outline:2px solid var(--brand-2);
  outline-offset:2px;
  border-radius:6px;
}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border:0;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--ink);
}
.btn-ghost:hover{
  border-color:var(--brand);
  color:var(--brand);
  background:rgba(14,92,76,.04);
}
.btn-accent{
  background:var(--accent);
  color:#3A2A05;
}
.btn-accent:hover{
  color:#3A2A05;
  transform:translateY(-1px);
  box-shadow:0 10px 26px -12px rgba(217,164,65,.85);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{
  opacity:.45;
  pointer-events:none;
  cursor:not-allowed;
}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.link-arrow .arw{transition:transform .2s var(--ease);}
.link-arrow:hover .arw{transform:translateX(3px);}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  padding:12px 20px 0;
}
.nav-shell{
  max-width:1160px;
  margin:0 auto;
  height:60px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:0 20px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  transition:background .24s var(--ease),box-shadow .24s var(--ease),transform .24s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.94);
  box-shadow:var(--sh-2);
}
.site-header.is-hidden .nav-shell{
  transform:translateY(-140%);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  font-family:var(--font-num);
  font-weight:700;
  font-size:16px;
  letter-spacing:.5px;
}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.2px;
  color:var(--ink);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--ink-2);
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:6px;
  width:0;
  height:4px;
  border-radius:2px;
  background:var(--brand-2);
  transform:translateX(-50%);
  transition:width .22s var(--ease);
}
.nav-link:hover{
  color:var(--brand);
  background:rgba(14,92,76,.08);
}
.nav-link:hover::after{width:14px;}
.nav-link.is-active{
  color:var(--brand);
  font-weight:600;
  background:rgba(14,92,76,.10);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border:0;
  border-radius:14px;
  background:rgba(14,92,76,.06);
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(11,26,22,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);
  z-index:200;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;
  top:0;
  right:0;
  width:82vw;
  max-width:340px;
  height:100%;
  background:var(--surface);
  box-shadow:-18px 0 44px -24px rgba(16,27,45,.4);
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  z-index:210;
  display:flex;
  flex-direction:column;
  padding:20px 20px 28px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.drawer-close{
  width:36px;
  height:36px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface-2);
  font-size:20px;
  line-height:1;
  cursor:pointer;
  color:var(--ink-2);
}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 6px;
  font-size:15px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-links a.is-active{
  color:var(--brand);
  font-weight:600;
  background:rgba(14,92,76,.06);
  border-radius:10px;
  padding-left:12px;
}
.drawer-cta{
  margin-top:auto;
  width:100%;
  margin-top:24px;
}

/* ---------- Hero ---------- */
.hero-section{padding:24px 0 0;}
.hero-lite{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  min-height:264px;
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(180deg,rgba(11,32,28,.30) 0%,rgba(11,32,28,.72) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-2);
}
.hero-lite-inner{
  position:relative;
  padding:40px 48px;
  max-width:720px;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  margin-bottom:14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  font-size:12.5px;
  letter-spacing:.6px;
}
.hero-lite h1{
  font-size:34px;
  line-height:1.25;
  font-weight:700;
  color:#fff;
  letter-spacing:.2px;
}
.hero-lite p{
  margin-top:12px;
  font-size:15.5px;
  line-height:1.7;
  color:rgba(255,255,255,.84);
}
.hero-lite .btn{margin-top:22px;}

/* ---------- 板块 ---------- */
.section{padding:44px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
}
.section-head h2{
  font-size:27px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:.2px;
}
.section-head p{
  margin-top:8px;
  font-size:15px;
  color:var(--ink-2);
  max-width:640px;
}
.kicker{
  display:inline-block;
  margin-bottom:8px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:1.2px;
  color:var(--brand-2);
  text-transform:none;
}

/* ---------- 分类说明 ---------- */
.intro-block{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px 36px;
  box-shadow:var(--sh-1);
}
.intro-block p{
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink-2);
}
.intro-block p + p{
  margin-top:22px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.intro-block strong{color:var(--ink);font-weight:600;}

/* ---------- 双列要点 ---------- */
.split-block{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.split-left{
  padding:36px;
  background:linear-gradient(160deg,#0E5C4C 0%,#12705C 58%,#17836C 100%);
  color:#fff;
}
.split-left h3{
  font-size:22px;
  line-height:1.4;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.split-left p{
  font-size:15px;
  line-height:1.85;
  color:rgba(255,255,255,.8);
}
.split-right{padding:34px 36px;}
.step-list li{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:14px 0;
  font-size:15.5px;
  line-height:1.7;
  color:var(--ink-2);
  border-bottom:1px dashed var(--line);
}
.step-list li:last-child{border-bottom:0;padding-bottom:0;}
.step-list li:first-child{padding-top:0;}
.step-no{
  flex:0 0 auto;
  font-family:var(--font-num);
  font-size:19px;
  font-weight:700;
  line-height:1.4;
  color:var(--accent);
  min-width:34px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  background:linear-gradient(135deg,#0B4A3D 0%,var(--brand) 55%,#137460 100%);
  padding:38px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 14px);
  opacity:.6;
  pointer-events:none;
}
.cta-band-text{position:relative;max-width:620px;}
.cta-band h2{
  font-size:24px;
  line-height:1.35;
  font-weight:700;
  color:#fff;
}
.cta-band p{
  margin-top:10px;
  font-size:15px;
  line-height:1.7;
  color:rgba(255,255,255,.8);
}
.cta-band .btn{position:relative;flex:0 0 auto;}

/* ---------- 条目卡网格 ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.entry-card{
  display:grid;
  grid-template-columns:38% 1fr;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.entry-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-3);
  border-color:var(--line-strong);
}
.entry-media{
  position:relative;
  aspect-ratio:4/3;
  background:var(--surface-2);
  overflow:hidden;
}
.entry-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s var(--ease);
}
.entry-card:hover .entry-media img{transform:scale(1.04);}
.entry-body{
  padding:18px 20px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.entry-body h3{
  font-size:18px;
  line-height:1.45;
  font-weight:600;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-card:hover .entry-body h3{color:var(--brand);}
.entry-body p{
  font-size:14px;
  line-height:1.7;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:auto;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  line-height:1;
  background:rgba(14,92,76,.08);
  color:var(--brand);
}
.badge-neutral{
  background:var(--surface-2);
  color:var(--ink-2);
}
.entry-foot{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  margin-top:4px;
}
.entry-foot .arw{
  font-size:17px;
  color:var(--ink-3);
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.entry-card:hover .entry-foot .arw{
  transform:translateX(4px);
  color:var(--brand);
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item.is-open{
  border-color:var(--line-strong);
  box-shadow:var(--sh-2);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.55;
  color:var(--ink);
  cursor:pointer;
  transition:background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.faq-q:hover{background:#F1F5FA;color:var(--brand);}
.faq-item.is-open .faq-q{
  color:var(--brand);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-icon{
  flex:0 0 auto;
  width:22px;
  height:22px;
  color:var(--ink-3);
  transition:transform .28s var(--ease),color .28s var(--ease);
}
.faq-item.is-open .faq-icon{
  transform:rotate(180deg);
  color:var(--accent);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a-inner{
  padding:0 22px 20px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  border-top:1px solid var(--line);
  padding-top:16px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:56px;
  background:#0B1A16;
  color:rgba(255,255,255,.72);
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.66);
  max-width:300px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  line-height:1.6;
  padding:6px 0;
  color:rgba(255,255,255,.72);
}
.footer-col a:hover{color:var(--accent);}
.footer-note{
  font-size:13.5px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  margin-bottom:10px;
}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:44px;
  height:44px;
  border:0;
  border-radius:50%;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),background .2s var(--ease);
  z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:#F1F5FA;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{gap:0;}
  .nav-link{padding:0 10px;font-size:14px;}
  .nav-actions .link-arrow{display:none;}
  .split-block{grid-template-columns:1fr;}
  .split-left{padding:30px;}
  .split-right{padding:28px 30px;}
  .entry-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}

@media (max-width:768px){
  .site-header{padding:10px 12px 0;}
  .nav-shell{height:56px;padding:0 14px;border-radius:22px;}
  .nav-links{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .brand-text{font-size:15.5px;}
  .section{padding:32px 0;}
  .hero-section{padding:16px 0 0;}
  .hero-lite{
    min-height:0;
    border-radius:16px;
    align-items:center;
  }
  .hero-lite-inner{padding:32px 22px;}
  .hero-lite h1{font-size:26px;}
  .hero-lite p{font-size:14.5px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head h2{font-size:22px;}
  .intro-block{padding:24px 22px;}
  .intro-block p{font-size:15.5px;}
  .cta-band{
    flex-direction:column;
    align-items:flex-start;
    padding:28px 24px;
    gap:20px;
  }
  .cta-band .btn{width:100%;}
  .entry-card{grid-template-columns:1fr;}
  .entry-media{aspect-ratio:16/9;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a-inner{padding:14px 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-brand p{max-width:none;}
  .to-top{right:16px;bottom:16px;}
}

@media (max-width:520px){
  .container{padding:0 16px;}
  .hero-lite h1{font-size:23px;}
  .hero-lite-inner{padding:26px 18px;}
  .section-head h2{font-size:21px;}
  .split-left{padding:24px 20px;}
  .split-right{padding:22px 20px;}
  .split-left h3{font-size:19px;}
  .cta-band h2{font-size:20px;}
  .entry-body{padding:16px;}
  .entry-body h3{font-size:17px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category5 */
:root{
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --surface-2:#EEF3F9;
  --ink:#101B2D;
  --ink-2:#5A6B82;
  --ink-3:#8A99AD;
  --line:#E3E9F2;
  --line-strong:#CBD6E4;
  --brand:#0E5C4C;
  --brand-2:#17A08A;
  --accent:#D9A441;
  --accent-2:#C0392B;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 8px 24px -12px rgba(16,27,45,.16);
  --sh-3:0 20px 44px -20px rgba(16,27,45,.24);
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --sp-section:88px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink)}
h1{font-size:clamp(26px,3.4vw,44px);line-height:1.2}
h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3}
h3{font-size:19px;line-height:1.45;font-weight:600}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:0 0 0 2px var(--brand-2),0 0 0 5px rgba(23,160,138,.25);border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.muted{color:var(--ink-2)}
.small{font-size:14px;line-height:1.6;color:var(--ink-3)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  padding:12px 24px 0;
  transition:transform .24s ease;
}
.site-header.is-hidden{transform:translateY(-130%)}
.nav-shell{
  max-width:1160px;margin:0 auto;height:60px;
  display:flex;align-items:center;gap:18px;
  padding:0 20px;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:background .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.94);box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-weight:700;font-size:16px;letter-spacing:.02em;
}
.brand-text{font-weight:700;font-size:17px;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:38px;padding:0 13px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(14,92,76,.08)}
.nav-link.is-active{color:var(--brand);background:rgba(14,92,76,.1);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;
  border:1px solid var(--line);border-radius:14px;background:var(--surface);
  cursor:pointer;padding:0;place-items:center;
  box-shadow:var(--sh-1);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;margin:3px auto;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(11,26,22,.44);z-index:70;opacity:0;pointer-events:none;transition:opacity .24s ease}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:80;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:22px 20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--surface);cursor:pointer;font-size:18px;line-height:1;color:var(--ink-2)}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:auto}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 12px;
  border-radius:12px;color:var(--ink-2);font-size:16px;
  border-bottom:1px solid var(--line);
}
.drawer-nav a:last-child{border-bottom:none}
.drawer-nav a.is-active{color:var(--brand);font-weight:600;background:rgba(14,92,76,.08)}
.drawer-cta{margin-top:20px;display:block;width:100%;text-align:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;font-size:15px;font-weight:600;
  padding:0 22px;height:46px;border-radius:var(--r-pill);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;color:var(--ink-2);border:1px solid var(--line)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);background:rgba(14,92,76,.04)}
.btn-accent{background:var(--accent);color:#20261E}
.btn-accent:hover{transform:translateY(-1px);box-shadow:0 12px 28px -14px rgba(217,164,65,.8)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px}
.btn-text .arrow{transition:transform .2s ease}
.btn-text:hover .arrow{transform:translateX(3px)}

/* ---------- Hero-lite ---------- */
.hero-lite{
  position:relative;
  min-height:280px;
  display:flex;align-items:flex-end;
  background-image:linear-gradient(180deg,rgba(11,32,28,.34),rgba(11,32,28,.72)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  padding:112px 0 40px;
}
.hero-lite-inner{max-width:var(--container);width:100%;margin:0 auto;padding:0 24px}
.hero-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  color:rgba(255,255,255,.92);font-size:12px;font-weight:600;letter-spacing:.02em;
  margin-bottom:14px;
}
.hero-lite h1{color:#fff;max-width:620px;margin-bottom:12px}
.hero-sub{color:rgba(255,255,255,.8);font-size:16px;max-width:520px;margin:0 0 22px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-lite .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.hero-lite .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ---------- 快览信息条 ---------- */
.quick-facts{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-2);
  margin-top:-28px;position:relative;z-index:5;overflow:hidden;
}
.fact{padding:18px 20px;border-right:1px solid var(--line)}
.fact:last-child{border-right:none}
.fact-k{display:block;font-size:13px;color:var(--ink-3);margin-bottom:4px}
.fact-v{display:block;font-size:15px;font-weight:600;color:var(--ink)}

/* ---------- 板块 ---------- */
.section{padding:var(--sp-section) 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head p{margin:8px 0 0;color:var(--ink-2);font-size:15px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand-2);letter-spacing:.06em;margin-bottom:8px}

/* ---------- 适配卡片（2 列，4:3 封面） ---------- */
.grid-adapt{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.adapt-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s ease;
}
.adapt-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--line-strong)}
.adapt-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--surface-2)}
.adapt-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.adapt-card:hover .adapt-media img{transform:scale(1.04)}
.adapt-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,32,28,0) 46%,rgba(11,32,28,.6))}
.adapt-tag{position:absolute;left:14px;bottom:14px;z-index:2}
.adapt-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.adapt-body h3{margin-bottom:8px}
.adapt-body p{color:var(--ink-2);font-size:15px;margin-bottom:16px}
.adapt-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(14,92,76,.08);color:var(--brand);font-size:12px;font-weight:600;
}
.chip-neutral{background:var(--surface-2);color:var(--ink-2)}
.chip-accent{background:rgba(217,164,65,.16);color:#8A6416}
.arrow-link{color:var(--brand);font-size:18px;line-height:1;transition:transform .2s ease}
.adapt-card:hover .arrow-link{transform:translateX(4px)}

/* ---------- 中部 CTA 条 ---------- */
.cta-band{
  margin-top:var(--sp-section);
  background:var(--brand);
  background-image:linear-gradient(135deg,rgba(255,255,255,.06) 0 22%,rgba(255,255,255,0) 22% 44%,rgba(255,255,255,.05) 44% 62%,rgba(255,255,255,0) 62%);
  padding:44px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  border-radius:20px;
  padding:6px 0;
}
.cta-inner h2{color:#fff;margin-bottom:8px}
.cta-inner p{color:rgba(255,255,255,.76);margin:0;font-size:15px;max-width:620px}
.cta-inner .btn-accent{flex:0 0 auto}

/* ---------- 双列要点 / 对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.compare-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
}
.compare-card h3{margin-bottom:10px;font-size:20px}
.compare-card p{color:var(--ink-2);font-size:15px}
.compare-list{counter-reset:step}
.compare-list li{
  counter-increment:step;
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);
}
.compare-list li:last-child{border-bottom:none;padding-bottom:0}
.compare-list li::before{
  content:counter(step,decimal-leading-zero);
  flex:0 0 auto;font-family:Inter,system-ui,sans-serif;
  font-weight:700;font-size:18px;color:var(--accent);line-height:1.5;
}
.compare-list strong{display:block;color:var(--ink);font-size:15px;font-weight:600;margin-bottom:2px}

/* ---------- 说明区 ---------- */
.reading{max-width:760px}
.reading .para{padding:22px 0;border-bottom:1px solid var(--line)}
.reading .para:first-of-type{padding-top:0}
.reading .para:last-child{border-bottom:none}
.reading h3{font-size:20px;margin-bottom:8px}
.reading p{color:var(--ink-2);font-size:17px;line-height:1.9;margin:0}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--accent);border-radius:3px;
  opacity:0;transition:opacity .22s ease;
}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;text-align:left;
  padding:20px 46px 20px 18px;font-size:16px;font-weight:600;color:var(--ink);
  position:relative;transition:background .2s ease,color .2s ease;border-radius:12px;
}
.faq-q:hover{background:#F1F5FA;color:var(--brand)}
.faq-icon{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;transition:transform .28s var(--ease);
}
.faq-icon svg{width:16px;height:16px;display:block;stroke:var(--ink-3);stroke-width:2;fill:none}
.faq-item.is-open .faq-icon{transform:translateY(-50%) rotate(180deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 46px 20px 18px;color:var(--ink-2);font-size:15px;margin:0}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sp-section);background:#0B1A16;color:rgba(255,255,255,.72);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.66);margin-top:14px;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-note{font-size:13px;line-height:1.7;color:rgba(255,255,255,.62);margin:0 0 10px}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:50;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease,box-shadow .24s ease;
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{box-shadow:var(--sh-3)}
.to-top svg{width:18px;height:18px;stroke:var(--brand);stroke-width:2;fill:none}

/* ---------- 状态样式 ---------- */
.skeleton{background:var(--surface-2);border-radius:var(--r-img);position:relative;overflow:hidden}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);
  transform:translateX(-100%);animation:shimmer 1.4s infinite;
}
@keyframes shimmer{to{transform:translateX(100%)}}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  padding:32px;text-align:center;color:var(--ink-3);background:var(--surface);
}
.empty-state strong{display:block;color:var(--ink);font-size:16px;font-weight:600;margin-bottom:6px}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .nav-link{padding:0 11px;font-size:14px}
}
@media (max-width:1024px){
  :root{--sp-section:72px}
  .nav-links{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:grid}
  .compare-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .quick-facts{grid-template-columns:repeat(2,1fr)}
  .fact:nth-child(2){border-right:none}
  .fact:nth-child(1),.fact:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .site-header{padding:10px 12px 0}
  .nav-shell{height:56px;padding:0 14px}
  .hero-lite{min-height:240px;padding:96px 0 32px}
  .hero-lite-inner{padding:0 16px}
  .grid-adapt{grid-template-columns:1fr;gap:18px}
  .cta-band{padding:36px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:18px}
  .cta-inner .btn{width:100%}
  .reading p{font-size:16px}
}
@media (max-width:520px){
  :root{--sp-section:52px}
  .quick-facts{grid-template-columns:1fr;margin-top:-20px}
  .fact{border-right:none;border-bottom:1px solid var(--line)}
  .fact:last-child{border-bottom:none}
  .hero-lite{min-height:220px;padding:92px 0 26px}
  .hero-cta .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .faq-q{font-size:15px}
}