/* roulang page: index */
:root{
  --primary:#1B4FD8;
  --primary-hover:#123CB0;
  --primary-soft:#EAF0FE;
  --accent:#FF6B1A;
  --accent-hover:#E85A0C;
  --ink:#0C1728;
  --text:#34435C;
  --muted:#6B7C96;
  --line:#E6EBF3;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --footer-bg:#0C1728;
  --footer-text:#E9EFFA;
  --footer-link:#B9C6DD;
  --success:#12A150;
  --error:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(12,23,40,.04), 0 8px 24px rgba(12,23,40,.06);
  --sh-hover:0 12px 32px rgba(27,79,216,.12);
  --sh-cta:0 6px 16px rgba(255,107,26,.24);
  --sec:96px;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0;font-weight:700;font-family:var(--font);}
h1{font-size:48px;}
h2{font-size:32px;}
h3{font-size:24px;}
h4{font-size:18px;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:var(--font);cursor:pointer;}
input,textarea,select{font-family:var(--font);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}

/* ---------- 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;
  transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-cta);}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);color:#fff;}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-hover);transform:translateY(-2px);}
.btn-solid{background:var(--primary);color:#fff;}
.btn-solid:hover{background:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);}
.btn-ghost{border-color:var(--line);color:var(--text);background:#fff;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover{color:var(--primary-hover);}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- 胶囊标签 ---------- */
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;
  background:var(--primary-soft);color:var(--primary);
}
.pill-accent{background:var(--accent);color:#fff;}
.pill-soft{background:#F0F4FB;color:var(--muted);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 12px rgba(12,23,40,.05);}
.header-inner{display:flex;align-items:center;height:72px;gap:32px;}
.brand{display:inline-flex;align-items:center;gap:8px;flex-shrink:0;}
.brand-mark{width:10px;height:10px;border-radius:3px;background:var(--primary);display:inline-block;flex-shrink:0;}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.brand:hover .brand-name{color:var(--primary);}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;transition:color .2s ease, transform .2s ease;
}
.nav-link:hover{color:var(--primary);transform:translateY(-1px);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--text);align-items:center;justify-content:center;font-size:18px;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
.site-drawer{
  display:none;position:fixed;inset:0;z-index:400;background:#fff;
  padding:20px 16px 32px;overflow-y:auto;
}
.site-drawer.is-open{display:block;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:60px;border-bottom:1px solid var(--line);}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:18px;color:var(--text);}
.drawer-nav{margin-top:8px;}
.drawer-nav a{
  display:flex;align-items:center;height:56px;font-size:16px;font-weight:500;
  color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--primary);font-weight:600;}
.drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:12px;}

/* ---------- 通用板块 ---------- */
.section{padding-top:var(--sec);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:32px;}
.section-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--primary);letter-spacing:1px;margin-bottom:12px;
}
.section-eyebrow::before{content:"";width:20px;height:3px;border-radius:2px;background:var(--primary);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#F2F6FE 100%);
  padding:72px 0 72px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(27,79,216,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(27,79,216,.045) 1px,transparent 1px);
  background-size:44px 44px;
}
.hero-grid{position:relative;z-index:2;align-items:center;}
.hero-copy{padding-right:24px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 14px;margin-bottom:22px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero h1{font-size:48px;letter-spacing:-.5px;margin-bottom:18px;}
.hero-sub{font-size:18px;color:var(--muted);margin-bottom:24px;max-width:520px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.hero-tags li{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 14px;
}
.hero-tags li i{color:var(--primary);font-size:11px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-anchor{width:56px;height:4px;border-radius:2px;background:var(--primary);}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-card);}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-img);
  background:rgba(27,79,216,.10);
}

/* ---------- 价值主张条 ---------- */
.value-strip{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 24px;box-shadow:var(--sh-card);
  margin-top:-40px;position:relative;z-index:5;
}
.value-item{display:flex;gap:14px;align-items:flex-start;padding:8px 12px;}
.value-icon{
  width:44px;height:44px;border-radius:12px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;
}
.value-item h4{font-size:16px;font-weight:600;margin-bottom:4px;}
.value-item p{font-size:14px;color:var(--muted);line-height:1.6;}

/* ---------- 轮播 ---------- */
.carousel-wrap{position:relative;overflow:hidden;}
.carousel-track{display:flex;gap:24px;transition:transform .5s ease;}
.carousel-slide{flex:0 0 calc((100% - 48px)/3);}
.slide-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;height:100%;transition:all .2s ease;}
.slide-card:hover{box-shadow:var(--sh-hover);transform:translateY(-4px);border-color:#D8E2F5;}
.slide-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.slide-body{padding:20px 22px 24px;}
.slide-body h4{font-size:18px;font-weight:600;margin-bottom:8px;}
.slide-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.carousel-bar{display:flex;align-items:center;gap:16px;margin-top:28px;}
.carousel-dots{display:flex;gap:8px;flex:1;}
.carousel-dot{width:36px;height:3px;border-radius:2px;background:#D8E2F5;border:0;padding:0;transition:background .2s ease;cursor:pointer;}
.carousel-dot.is-active{background:var(--primary);}
.carousel-arrows{display:flex;gap:10px;}
.carousel-arrow{
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;
  color:var(--text);display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease;
}
.carousel-arrow:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}

/* ---------- 平台要求卡 ---------- */
.platform-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;height:100%;transition:all .2s ease;
}
.platform-card:hover{border-color:var(--primary);transform:translateY(-4px);}
.platform-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.platform-top i{font-size:20px;color:var(--primary);width:24px;text-align:center;}
.platform-top h4{font-size:17px;font-weight:600;}
.platform-ver{
  display:inline-block;font-size:13px;font-weight:600;color:var(--ink);
  background:var(--bg);border-radius:8px;padding:5px 10px;margin-bottom:12px;
}
.platform-card p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- 评价墙 ---------- */
.review-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px 24px;height:100%;transition:all .2s ease;
}
.review-card:hover{box-shadow:var(--sh-hover);transform:translateY(-4px);}
.review-quote{
  position:absolute;top:14px;right:20px;font-size:44px;line-height:1;color:var(--primary-soft);
  font-weight:700;font-family:Georgia,serif;
}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.review-avatar{
  width:40px;height:40px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0;
}
.review-head h4{font-size:16px;font-weight:600;margin-bottom:4px;}
.review-text{font-size:15px;line-height:1.8;color:var(--text);}
.review-stars{margin-top:16px;color:var(--accent);font-size:13px;letter-spacing:2px;}

/* ---------- 下载区 ---------- */
.download-box{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:48px 40px;
  box-shadow:var(--sh-card);
}
.download-box h2{margin-bottom:14px;}
.download-desc{font-size:16px;color:var(--muted);margin-bottom:26px;max-width:520px;}
.download-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px;}
.download-note{font-size:13px;color:var(--muted);}
.qr-card{
  width:160px;height:160px;background:#fff;border:1px solid var(--line);border-radius:var(--r-img);
  padding:10px;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;
}
.qr-card svg{width:100%;height:100%;}
.qr-text{text-align:center;font-size:13px;color:var(--muted);}
.qr-text strong{display:block;color:var(--ink);font-size:14px;margin-bottom:4px;font-weight:600;}

/* ---------- 资讯列表 ---------- */
.news-grid{row-gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;transition:all .2s ease;
}
.news-card:hover{box-shadow:var(--sh-hover);transform:translateY(-4px);border-color:#D8E2F5;}
.news-thumb{display:block;overflow:hidden;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column;}
.news-body .pill{align-self:flex-start;margin-bottom:12px;}
.news-title{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--primary);}
.news-desc{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:18px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:14px;}
.news-date{font-size:13px;color:var(--muted);}
.news-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.news-empty i{font-size:32px;color:#C3CFE4;display:block;margin-bottom:14px;}
.news-empty p{font-size:15px;color:var(--muted);margin-bottom:20px;}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 26px;display:flex;align-items:center;justify-content:space-between;
  gap:20px;font-size:16px;font-weight:600;color:var(--ink);transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--bg);}
.faq-item summary i{color:var(--primary);font-size:14px;transition:transform .2s ease;flex-shrink:0;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-answer{padding:0 26px 24px;font-size:15px;line-height:1.8;color:var(--text);}

/* ---------- 收尾 CTA ---------- */
.final-cta{
  background:var(--primary-soft);border-radius:20px;padding:48px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.final-cta h2{font-size:28px;margin-bottom:10px;}
.final-cta p{font-size:15px;color:var(--text);}
.final-cta-actions{display:flex;gap:14px;flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:var(--footer-text);margin-top:var(--sec);padding:64px 0 0;}
.footer-grid{row-gap:36px;}
.brand-footer .brand-name{color:#fff;}
.brand-footer .brand-mark{background:var(--accent);}
.footer-desc{font-size:14px;color:var(--footer-link);margin:16px 0 8px;}
.footer-meta{font-size:13px;color:#7C8CA8;}
.footer-col h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:var(--footer-link);display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14px;color:var(--footer-link);display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;color:#7C8CA8;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  h1{font-size:40px;}
  .hero h1{font-size:40px;}
  .carousel-slide{flex:0 0 calc((100% - 24px)/2);}
}
@media screen and (max-width:1023px){
  :root{--sec:72px;}
  .main-nav,.header-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .hero{padding:48px 0 56px;}
  .hero-copy{padding-right:0;margin-bottom:36px;}
  .hero h1{font-size:34px;}
  .value-strip{margin-top:0;}
  .final-cta{flex-direction:column;align-items:flex-start;}
  .final-cta-actions{width:100%;}
}
@media screen and (max-width:767px){
  :root{--sec:56px;}
  h1{font-size:32px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  h4{font-size:17px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .header-inner{height:60px;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:26px;}
  .value-strip{padding:22px 12px;}
  .value-item{padding:12px 10px;}
  .carousel-track{transform:none !important;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;}
  .carousel-slide{flex:0 0 86%;scroll-snap-align:start;}
  .carousel-arrows{display:none;}
  .download-box{padding:32px 22px;}
  .download-actions .btn{width:100%;}
  .final-cta{padding:32px 22px;}
  .final-cta-actions{flex-direction:column;}
  .final-cta-actions .btn{width:100%;}
  .faq-item summary{padding:18px 18px;font-size:15px;}
  .faq-answer{padding:0 18px 20px;font-size:14px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .hero-tags li{font-size:12px;padding:6px 11px;}
  .news-body{padding:18px 18px 20px;}
}

/* roulang page: article */
:root{
  --brand:#1B4FD8;
  --brand-dark:#123CB0;
  --brand-light:#EAF0FE;
  --brand-soft:rgba(27,79,216,.10);
  --accent:#FF6B1A;
  --accent-dark:#E85A0C;
  --accent-soft:rgba(255,107,26,.24);
  --ink:#0C1728;
  --text:#34435C;
  --muted:#6B7C96;
  --line:#E6EBF3;
  --page:#F5F8FD;
  --card:#FFFFFF;
  --ok:#12A150;
  --err:#E5484D;
  --footer-ink:#E9EFFA;
  --footer-link:#B9C6DD;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(12,23,40,.04),0 8px 24px rgba(12,23,40,.06);
  --sh-hover:0 12px 32px rgba(27,79,216,.12);
  --sh-cta:0 6px 16px rgba(255,107,26,.24);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);}
a:hover{color:var(--brand-dark);}
button,input,textarea,select{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);line-height:1.25;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.grid-container{max-width:1200px;width:100%;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}
.tabular{font-variant-numeric:tabular-nums;}

/* ---------- 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;line-height:1;cursor:pointer;white-space:nowrap;
  border:1px solid transparent;background:transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn i{font-size:14px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-solid{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(27,79,216,.18);}
.btn-solid:hover,.btn-solid:focus{background:var(--brand-dark);color:#fff;transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-cta);}
.btn-accent:hover,.btn-accent:focus{background:var(--accent-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand-light);border-color:var(--brand-dark);color:var(--brand-dark);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;background:var(--brand-light);color:var(--brand);
}
.pill-accent{background:var(--accent);color:#fff;}
.pill-muted{background:var(--page);color:var(--muted);border:1px solid var(--line);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 4px 12px rgba(12,23,40,.05);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:8px;}
.brand-mark{width:10px;height:10px;border-radius:3px;background:var(--brand);flex:0 0 auto;}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.4px;}
.main-nav{display:flex;align-items:center;gap:30px;flex:1 1 auto;justify-content:center;}
.nav-link{position:relative;font-size:15px;color:var(--text);padding:6px 0;}
.nav-link:hover{color:var(--brand);transform:translateY(-1px);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--brand);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--text);
  cursor:pointer;transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 面包屑 ---------- */
.breadcrumbs{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumbs-inner{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;font-size:14px;color:var(--muted);}
.breadcrumbs-inner a{color:var(--muted);}
.breadcrumbs-inner a:hover{color:var(--brand);}
.breadcrumbs-inner .sep{color:#C6D0E0;}
.breadcrumbs-inner .current{color:var(--ink);font-weight:500;max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;
  padding:44px 0 36px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 52%,rgba(234,240,254,.78) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center right;
}
.article-kicker{margin-bottom:14px;}
.article-title{font-size:34px;line-height:1.3;max-width:920px;letter-spacing:.2px;}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:18px;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .meta-item i{font-size:13px;color:#9AA8BE;}
.article-meta .bar{width:1px;height:14px;background:#D8E0EC;}
.article-meta .meta-cat{color:var(--brand);font-weight:500;}
.article-meta .meta-cat:hover{color:var(--brand-dark);}

/* ---------- 正文布局 ---------- */
.article-wrap{padding:48px 0 72px;}
.article-layout{display:block;max-width:760px;margin:0 auto;}
.article-toc{display:none;}
.article-body{font-size:16px;line-height:1.9;color:var(--text);}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.35;color:var(--ink);
  margin:44px 0 16px;padding-left:14px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--brand);}
.article-body h3{font-size:20px;color:var(--ink);margin:32px 0 12px;font-weight:600;}
.article-body h4{font-size:18px;color:var(--ink);margin:24px 0 10px;font-weight:600;}
.article-body p{margin:0 0 1.5em;}
.article-body a{color:var(--brand);font-weight:500;border-bottom:1px solid rgba(27,79,216,.32);}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark);}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--page);
  border-left:3px solid var(--brand);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.5em;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand);}
.article-body ol{counter-reset:bodyli;}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:bodyli;}
.article-body ol li::before{
  content:counter(bodyli);position:absolute;left:0;top:.32em;width:20px;height:20px;border-radius:50%;
  background:var(--brand-light);color:var(--brand);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.article-body img{border-radius:var(--r-img);margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}
.article-body .table-wrap{overflow-x:auto;margin:24px 0;-webkit-overflow-scrolling:touch;}
.article-body table{width:100%;min-width:520px;border-collapse:collapse;font-variant-numeric:tabular-nums;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;font-size:15px;text-align:left;vertical-align:top;}
.article-body th{background:var(--page);color:var(--ink);font-weight:600;}
.article-body code{background:var(--page);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;}

/* ---------- 目录侧栏 ---------- */
.toc-inner{border-left:2px solid var(--line);padding-left:18px;}
.toc-inner h2{font-size:14px;font-weight:600;color:var(--ink);letter-spacing:.6px;margin-bottom:12px;}
.toc-inner ol{counter-reset:none;}
.toc-inner li{margin-bottom:10px;}
.toc-inner a{display:block;font-size:14px;line-height:1.6;color:var(--muted);}
.toc-inner a:hover{color:var(--brand);}
.toc-inner a.is-current{color:var(--brand);font-weight:600;}

/* ---------- 文末区域 ---------- */
.article-foot{margin-top:48px;}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;padding-top:24px;border-top:1px solid var(--line);}
.tag-group .pill{height:30px;font-size:13px;padding:0 14px;}
.article-more{margin-top:36px;}
.section-title-sm{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:16px;}
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.rel-card{
  display:flex;gap:16px;align-items:center;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(27,79,216,.28);}
.rel-card img{width:112px;height:78px;object-fit:cover;border-radius:var(--r-img);flex:0 0 auto;}
.rel-card h3{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.rel-card p{font-size:13px;line-height:1.7;color:var(--muted);}
.article-back{margin-top:28px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);}
.link-arrow i{font-size:13px;transition:transform var(--ease);}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 空态 ---------- */
.article-empty{
  text-align:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:64px 24px;box-shadow:var(--sh-card);
}
.article-empty i{font-size:34px;color:#B7C3D6;}
.article-empty h2{font-size:22px;margin:18px 0 10px;}
.article-empty p{font-size:15px;color:var(--muted);max-width:420px;margin:0 auto 24px;}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--brand-light);border-top:1px solid rgba(27,79,216,.10);border-bottom:1px solid rgba(27,79,216,.10);}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px 0;}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--text);max-width:600px;}
.cta-band-actions{display:flex;gap:14px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--footer-ink);padding:64px 0 28px;margin-top:0;}
.footer-grid{row-gap:36px;}
.brand-footer{margin-bottom:14px;}
.brand-footer .brand-name{color:#fff;}
.brand-footer .brand-mark{background:var(--accent);}
.footer-desc{font-size:14px;color:var(--footer-link);margin-bottom:10px;}
.footer-meta{font-size:13px;color:#7E8CA6;font-variant-numeric:tabular-nums;}
.footer-col h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--footer-link);display:inline-block;}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--footer-link);margin-bottom:12px;}
.footer-contact li i{color:var(--accent);font-size:14px;margin-top:4px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:#8494AD;
}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .article-layout{display:grid;grid-template-columns:minmax(0,760px) 240px;gap:56px;max-width:1056px;align-items:start;}
  .article-toc{display:block;position:sticky;top:96px;}
}
@media (max-width:1023px){
  .header-inner{flex-wrap:wrap;height:auto;min-height:60px;gap:0;}
  .brand{flex:1 1 auto;padding:14px 0;}
  .nav-toggle{display:inline-flex;}
  .main-nav,.header-actions{display:none;flex:0 0 100%;width:100%;}
  .site-header.is-open .main-nav,.site-header.is-open .header-actions{display:flex;}
  .site-header.is-open .main-nav{flex-direction:column;align-items:stretch;gap:0;border-top:1px solid var(--line);}
  .site-header.is-open .nav-link{height:56px;display:flex;align-items:center;border-bottom:1px solid var(--line);font-size:16px;}
  .site-header.is-open .nav-link.is-active::after{display:none;}
  .site-header.is-open .nav-link.is-active{color:var(--brand);}
  .site-header.is-open .header-actions{flex-direction:column;align-items:stretch;gap:12px;padding:16px 0 20px;}
  .article-title{font-size:28px;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;}
  .cta-band-actions{width:100%;flex-wrap:wrap;}
}
@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .article-hero{padding:32px 0 26px;}
  .article-title{font-size:24px;}
  .article-wrap{padding:36px 0 52px;}
  .article-body h2{font-size:21px;margin-top:34px;}
  .article-body h3{font-size:19px;}
  .rel-grid{grid-template-columns:1fr;}
  .rel-card{align-items:flex-start;}
  .rel-card img{width:96px;height:72px;}
  .cta-band-actions .btn{width:100%;}
  .cta-band-inner{padding:36px 0;}
  .site-footer{padding:48px 0 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .breadcrumbs-inner .current{max-width:100%;}
  .article-meta{gap:8px;font-size:13px;}
  .article-meta .bar{display:none;}
}

/* roulang page: category1 */
:root{
  --blue:#1B4FD8;
  --blue-dark:#123CB0;
  --blue-soft:#EAF0FE;
  --orange:#FF6B1A;
  --orange-dark:#E85A0C;
  --ink:#0C1728;
  --text:#34435C;
  --muted:#6B7C96;
  --line:#E6EBF3;
  --bg:#F5F8FD;
  --white:#FFFFFF;
  --ok:#12A150;
  --err:#E5484D;
  --footer-bg:#0C1728;
  --footer-text:#E9EFFA;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-input:10px;
  --shadow-card:0 1px 2px rgba(12,23,40,.04),0 8px 24px rgba(12,23,40,.06);
  --shadow-hover:0 12px 32px rgba(27,79,216,.12);
  --shadow-cta:0 6px 16px rgba(255,107,26,.24);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.grid-x.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-title{font-size:32px;font-weight:700;letter-spacing:.2px;}
.section-sub{font-size:15px;color:var(--muted);max-width:660px;margin-top:10px;line-height:1.8;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--blue);transition:color .2s ease;}
.link-more i{transition:transform .2s ease;}
.link-more:hover{color:var(--blue-dark);}
.link-more:hover i{transform:translateX(3px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-solid{background:var(--orange);color:#fff;box-shadow:var(--shadow-cta);}
.btn-solid:hover{background:var(--orange-dark);transform:translateY(-2px);}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--blue);border-color:var(--blue);}
.btn-ghost:hover{background:var(--blue-soft);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:8px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--blue);}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(3px);}

/* ============ 胶囊 ============ */
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:500;background:var(--blue-soft);color:var(--blue);letter-spacing:.2px;
}
.pill-accent{background:var(--orange);color:#fff;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 4px 12px rgba(12,23,40,.05);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--header-h);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:10px;height:10px;border-radius:3px;background:var(--blue);display:inline-block;}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.main-nav{display:flex;align-items:center;gap:32px;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;transition:color .2s ease,transform .2s ease;order:3;}
.nav-link:hover{color:var(--blue);transform:translateY(-1px);}
.nav-link.is-active{color:var(--blue);}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;border-radius:2px;background:var(--blue);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;background:transparent;border:0;padding:8px;font-size:20px;color:var(--text);cursor:pointer;margin-left:auto;
}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:14px 0;flex-wrap:wrap;}
.crumb a{color:var(--muted);transition:color .2s ease;}
.crumb a:hover{color:var(--blue);}
.crumb .sep{color:#C3CEDF;}
.crumb .current{color:var(--ink);font-weight:500;}

/* ============ 分类页 Hero ============ */
.page-hero{
  position:relative;display:flex;align-items:center;min-height:280px;padding:56px 0;
  background-image:
    linear-gradient(104deg,rgba(12,23,40,.88) 0%,rgba(12,23,40,.68) 46%,rgba(27,79,216,.58) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;max-width:760px;color:#fff;}
.page-hero h1{color:#fff;font-size:42px;font-weight:700;letter-spacing:.3px;}
.page-hero p{color:rgba(255,255,255,.84);font-size:17px;margin-top:14px;line-height:1.7;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--radius-pill);
  font-size:13px;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
}
.hero-accent{width:56px;height:4px;border-radius:2px;background:var(--orange);margin-top:26px;}

/* ============ 工具条 ============ */
.filter-bar{
  position:sticky;top:var(--header-h);z-index:40;background:#fff;border-bottom:1px solid var(--line);
}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;flex-wrap:wrap;}
.chip-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--radius-pill);
  background:#F2F5FB;color:var(--text);font-size:14px;font-weight:500;border:1px solid transparent;
  cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.chip:not(.is-active):hover{color:var(--blue);border-color:#C9D8F8;background:#fff;}
.chip.is-active{background:var(--blue);color:#fff;}
.sort-box{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);}
.sort-box select{
  height:38px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:0 12px;
  font-size:14px;color:var(--text);cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease;
}
.sort-box select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(27,79,216,.12);}

/* ============ 场景卡 ============ */
.card-cell{display:flex;}
.scene-card{
  display:flex;flex-direction:column;width:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D6E1FA;}
.scene-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--blue-soft);}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.scene-card:hover .scene-thumb img{transform:scale(1.04);}
.scene-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:18px;font-weight:600;}
.scene-body p{font-size:15px;line-height:1.7;color:var(--muted);}
.scene-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
}
.scene-time{font-size:13px;color:#94A3BC;font-variant-numeric:tabular-nums;display:inline-flex;align-items:center;gap:6px;}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
}
.stat-item{padding:28px 24px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:30px;font-weight:700;color:var(--blue);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num span{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px;}

/* ============ 步骤 ============ */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;
  box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step-num{
  width:36px;height:36px;border-radius:50%;border:1.5px solid var(--blue);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.step-card p{font-size:15px;line-height:1.75;color:var(--muted);}

/* ============ 设备适配 ============ */
.device-card{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;height:100%;transition:border-color .25s ease,box-shadow .25s ease;
}
.device-card:hover{border-color:#D6E1FA;box-shadow:var(--shadow-hover);}
.device-icon{
  width:44px;height:44px;border-radius:12px;background:var(--blue-soft);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;
}
.device-card h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.device-card p{font-size:14px;line-height:1.75;color:var(--muted);}

/* ============ FAQ ============ */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:8px 28px;box-shadow:var(--shadow-card);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--blue);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-answer{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--muted);max-width:860px;}

/* ============ CTA ============ */
.cta-band{
  background:var(--blue-soft);border-radius:20px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{font-size:28px;font-weight:700;}
.cta-band p{font-size:15px;color:var(--text);margin-top:10px;max-width:560px;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-shrink:0;}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:64px 0 24px;margin-top:72px;}
.brand-footer .brand-name{color:#fff;}
.brand-footer .brand-mark{background:var(--orange);}
.footer-desc{font-size:14px;color:#B9C6DD;margin-top:16px;line-height:1.8;}
.footer-meta{font-size:12px;color:#7C8EAE;margin-top:8px;}
.footer-col{margin-top:0;}
.footer-col h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px;margin-top:0;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:#B9C6DD;display:inline-block;transition:color .2s ease,transform .2s ease;}
.footer-col ul li a:hover{color:#fff;transform:translateX(-2px);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#B9C6DD;margin-bottom:12px;}
.footer-contact li i{color:var(--orange);margin-top:5px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:24px;
  font-size:12px;color:#7C8EAE;
}
.footer-grid{margin-top:0;}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .page-hero h1{font-size:38px;}
}
@media screen and (max-width:1023px){
  .nav-toggle{display:inline-flex;order:2;}
  .brand{order:1;}
  .header-inner{flex-wrap:wrap;height:auto;min-height:60px;padding-top:10px;padding-bottom:10px;}
  .main-nav{display:none;width:100%;order:3;flex-direction:column;align-items:stretch;gap:0;margin-top:12px;border-top:1px solid var(--line);}
  .header-actions{display:none;width:100%;order:4;}
  .site-header.nav-open .main-nav{display:flex;}
  .site-header.nav-open .header-actions{display:flex;flex-direction:column;gap:10px;padding-bottom:16px;}
  .site-header.nav-open .header-actions .btn{width:100%;}
  .nav-link{padding:16px 0;border-bottom:1px solid var(--line);font-size:15px;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{color:var(--blue);}
  .filter-bar{top:60px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
  .cta-actions{width:100%;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .page-hero{min-height:240px;padding:40px 0;}
  .page-hero h1{font-size:30px;}
  .page-hero p{font-size:15px;}
  .section-title{font-size:26px;}
  .filter-inner{flex-direction:column;align-items:flex-start;}
  .sort-box{width:100%;justify-content:space-between;}
  .sort-box select{flex:1;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);}
  .stat-item:last-child{border-bottom:0;}
  .step-grid{grid-template-columns:1fr;}
  .faq-wrap{padding:4px 20px;}
  .cta-band{padding:28px 20px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .brand-name{font-size:17px;}
  .page-hero h1{font-size:26px;}
  .chip{height:32px;padding:0 13px;font-size:13px;}
}

/* roulang page: category2 */
:root{
  --primary:#1B4FD8;
  --primary-dark:#123CB0;
  --primary-light:#EAF0FE;
  --accent:#FF6B1A;
  --accent-dark:#E85A0C;
  --ink:#0C1728;
  --text:#34435C;
  --muted:#6B7C96;
  --line:#E6EBF3;
  --bg:#F5F8FD;
  --white:#FFFFFF;
  --success:#12A150;
  --error:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(12,23,40,.04),0 8px 24px rgba(12,23,40,.06);
  --shadow-hover:0 12px 32px rgba(27,79,216,.12);
  --shadow-cta:0 6px 16px rgba(255,107,26,.24);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:600;line-height:1.25;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease,box-shadow .2s ease;}
a:hover{color:var(--primary-dark);}
img{max-width:100%;height:auto;display:block;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 12px rgba(12,23,40,.05);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:12px;height:12px;border-radius:4px;background:var(--primary);
  box-shadow:0 0 0 4px rgba(27,79,216,.12);flex:0 0 auto;
}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand:hover .brand-name{color:var(--primary);}
.main-nav{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;font-size:15px;color:var(--text);font-weight:500;border-radius:8px;
}
.nav-link:hover{color:var(--primary);transform:translateY(-1px);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;background:none;border:0;padding:8px;color:var(--text);font-size:20px;cursor:pointer;border-radius:8px;
}
.nav-toggle:hover{background:var(--primary-light);color:var(--primary);}

/* ============ Buttons ============ */
.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;cursor:pointer;border:1px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-solid{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:var(--shadow-cta);}
.btn-solid:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
}
.text-link i{font-size:12px;transition:transform .2s ease;}
.text-link:hover i{transform:translateX(3px);}

/* ============ Pill ============ */
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
}
.pill-blue{background:var(--primary-light);color:var(--primary);}
.pill-orange{background:var(--accent);color:#fff;}
.pill-line{background:#fff;border:1px solid var(--line);color:var(--muted);}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#F2F6FE 100%);
  border-bottom:1px solid var(--line);
  padding:76px 0 64px;text-align:center;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.10;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(27,79,216,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(27,79,216,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at center,#000 10%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at center,#000 10%,transparent 72%);
  pointer-events:none;
}
.cat-hero .grid-container{position:relative;z-index:2;}
.hero-crumb{
  display:flex;justify-content:center;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);margin-bottom:20px;
}
.hero-crumb span{color:var(--muted);}
.cat-hero h1{
  font-size:48px;font-weight:700;letter-spacing:-.02em;margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;color:var(--muted);max-width:640px;margin:0 auto 26px;}
.hero-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;}
.hero-tags .tag{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 16px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:14px;font-weight:500;color:var(--text);
  box-shadow:0 1px 2px rgba(12,23,40,.04);
}
.hero-tags .tag i{color:var(--primary);font-size:13px;}

/* ============ Page body ============ */
.page-body{padding:72px 0 96px;}
.layout{display:flex;gap:48px;align-items:flex-start;}

/* Side anchor nav */
.side-nav{width:240px;flex:0 0 240px;position:sticky;top:104px;}
.side-nav h3{
  font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:16px;padding-left:14px;
}
.side-nav ol{counter-reset:side;border-left:1px solid var(--line);}
.side-nav li{counter-increment:side;}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:12px 14px;font-size:14px;color:var(--text);font-weight:500;border-radius:0 8px 8px 0;
}
.side-nav a::before{
  content:counter(side,decimal-leading-zero);
  font-size:12px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums;
}
.side-nav a::after{
  content:"";position:absolute;left:-1px;top:8px;bottom:8px;width:3px;border-radius:3px;background:transparent;
  transition:background-color .2s ease;
}
.side-nav a:hover{background:var(--primary-light);color:var(--primary-dark);}
.side-nav a.is-current{color:var(--primary);font-weight:600;background:var(--primary-light);}
.side-nav a.is-current::after{background:var(--primary);}
.side-nav a.is-current::before{color:var(--primary);}
.side-note{
  margin-top:28px;padding:18px;border-radius:var(--r-card);background:#fff;
  border:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.7;
}
.side-note strong{display:block;color:var(--ink);font-size:14px;margin-bottom:6px;}

/* Main column */
.main-col{flex:1 1 auto;min-width:0;}

.section-block{padding:0 0 72px;scroll-margin-top:104px;}
.section-block:last-of-type{padding-bottom:0;}
.block-head{margin-bottom:24px;}
.block-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--primary);margin-bottom:12px;
}
.block-head .kicker::before{content:"";width:20px;height:2px;background:var(--primary);border-radius:2px;}
.block-head h2{font-size:32px;margin-bottom:12px;}
.block-head p{font-size:16px;color:var(--muted);max-width:720px;}

/* Alternating image/text blocks */
.split{display:flex;gap:32px;align-items:center;}
.split .split-media{flex:0 0 41.6%;max-width:41.6%;}
.split .split-text{flex:1 1 auto;min-width:0;}
.split.reverse{flex-direction:row-reverse;}
.split-media{
  border-radius:var(--r-img);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split-text h3{font-size:24px;margin-bottom:14px;}
.split-text p{font-size:16px;color:var(--text);line-height:1.85;}
.split-list{margin-top:18px;display:grid;gap:10px;}
.split-list li{
  display:flex;gap:10px;font-size:15px;color:var(--text);line-height:1.7;
}
.split-list li i{color:var(--accent);font-size:12px;margin-top:7px;flex:0 0 auto;}

.metric-row{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;
}
.metric{
  flex:1 1 130px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;
}
.metric b{
  display:block;font-size:22px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric span{font-size:13px;color:var(--muted);}

/* ============ Steps ============ */
.steps{display:grid;gap:0;margin-top:8px;}
.step{
  position:relative;display:flex;gap:20px;padding:0 0 32px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:15px;top:36px;bottom:0;width:1px;background:var(--line);
}
.step:last-child::before{display:none;}
.step-num{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  border:2px solid var(--primary);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;background:#fff;font-variant-numeric:tabular-nums;
  position:relative;z-index:2;
}
.step-body{flex:1 1 auto;min-width:0;padding-top:3px;}
.step-body h4{font-size:18px;margin-bottom:8px;}
.step-body p{font-size:15px;color:var(--muted);line-height:1.8;}

/* ============ CTA banner ============ */
.cta-banner{
  margin:8px 0 72px;padding:40px;border-radius:var(--r-card);
  background:var(--primary-light);border:1px solid rgba(27,79,216,.12);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-banner h3{font-size:24px;margin-bottom:8px;}
.cta-banner p{font-size:15px;color:var(--text);margin:0;}
.cta-banner .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);margin-top:8px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-q i{font-size:14px;color:var(--muted);transition:transform .25s ease;flex:0 0 auto;}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--primary);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text);padding:0 4px 22px;}

/* ============ Form ============ */
.contact-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:36px;margin-top:8px;
}
.contact-panel h3{font-size:24px;margin-bottom:10px;}
.contact-panel .panel-sub{font-size:15px;color:var(--muted);margin-bottom:26px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field input,.field textarea{
  height:48px;padding:0 14px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg);font-size:15px;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
  width:100%;
}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#9AA8BE;}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 2px rgba(27,79,216,.18);
}
.field.has-error input,.field.has-error textarea{border-color:var(--error);}
.field .err{font-size:12px;color:var(--error);min-height:16px;}
.form-actions{display:flex;align-items:center;gap:16px;margin-top:6px;flex-wrap:wrap;}
.form-tip{font-size:13px;color:var(--muted);}
.form-success{
  display:none;margin-top:20px;padding:14px 16px;border-radius:10px;
  background:rgba(18,161,80,.08);border:1px solid rgba(18,161,80,.28);
  color:var(--success);font-size:14px;font-weight:500;
}
.form-success.show{display:block;}

/* ============ Footer ============ */
.site-footer{background:var(--ink);color:#E9EFFA;padding:64px 0 28px;margin-top:0;}
.site-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.brand-footer .brand-name{color:#fff;}
.brand-footer:hover .brand-name{color:#fff;}
.brand-footer{margin-bottom:16px;}
.footer-desc{font-size:14px;color:#B9C6DD;margin-bottom:8px;}
.footer-meta{font-size:13px;color:#8E9DB8;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#B9C6DD;display:inline-block;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#B9C6DD;line-height:1.7;}
.footer-contact i{color:#7E9BE6;margin-top:5px;font-size:13px;flex:0 0 auto;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;color:#8E9DB8;margin:0;}

/* ============ Responsive ============ */
@media screen and (max-width:1199px){
  .cat-hero h1{font-size:40px;}
  .layout{gap:32px;}
  .side-nav{width:210px;flex:0 0 210px;}
}
@media screen and (max-width:1023px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;bottom:0;background:#fff;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:12px 16px 28px;gap:0;border-top:1px solid var(--line);
    transform:translateY(-8px);opacity:0;visibility:hidden;transition:all .22s ease;overflow-y:auto;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .main-nav .nav-link{
    display:block;padding:0 4px;line-height:56px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;
  }
  .main-nav .nav-link.is-active::after{display:none;}
  .main-nav .nav-link.is-active{color:var(--primary);}
  .header-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .layout{flex-direction:column;gap:32px;}
  .side-nav{
    position:static;width:100%;flex:1 1 auto;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px;
  }
  .side-nav h3{padding-left:6px;}
  .side-nav ol{border-left:1px solid var(--line);}
  .split{flex-direction:column;gap:22px;}
  .split .split-media{flex:1 1 auto;max-width:100%;width:100%;}
  .hero-tags{gap:8px;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .header-inner{height:60px;}
  .main-nav{top:60px;}
  .brand-name{font-size:17px;}
  .cat-hero{padding:48px 0 44px;}
  .cat-hero h1{font-size:32px;}
  .hero-sub{font-size:16px;}
  .page-body{padding:48px 0 64px;}
  .section-block{padding-bottom:48px;scroll-margin-top:80px;}
  .block-head h2{font-size:26px;}
  .split-text h3{font-size:20px;}
  .cta-banner{padding:28px 20px;margin-bottom:48px;}
  .cta-banner h3{font-size:20px;}
  .cta-banner .cta-actions{width:100%;}
  .cta-banner .cta-actions .btn{width:100%;}
  .contact-panel{padding:24px 20px;}
  .form-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 24px;}
  .footer-bottom{margin-top:32px;}
}
@media screen and (max-width:520px){
  .cat-hero h1{font-size:28px;}
  .hero-tags .tag{height:30px;font-size:13px;padding:0 12px;}
  .metric{flex:1 1 100%;}
  .btn{width:100%;}
  .header-actions .btn-solid{display:none;}
}