/* roulang page: index */
:root{
  --brand-900:#06231F;
  --brand-700:#0B3B33;
  --brand-500:#12836C;
  --brand-300:#4FC3A1;
  --lime-400:#C6F24E;
  --coral-500:#FF6B4A;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --line:#E3E7DE;
  --ink:#10201C;
  --ink-2:#5A6B66;
  --radius-card:22px;
  --radius-img:18px;
  --shadow-1:0 8px 24px rgba(6,35,31,.06);
  --shadow-2:0 16px 40px rgba(6,35,31,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:800;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}
.section{padding:64px 0}
@media(min-width:768px){.section{padding:92px 0}}
.section-line{border-top:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-500);letter-spacing:.06em}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--lime-400)}
.sec-title{font-size:30px;margin-top:12px}
@media(min-width:768px){.sec-title{font-size:33px}}
.sec-sub{margin-top:14px;color:var(--ink-2);max-width:680px;font-size:15.5px}
/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-top{height:64px;display:flex;align-items:center;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--brand-900);white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--brand-700),var(--brand-300));display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:800;letter-spacing:.02em}
.logo-sub{display:none;font-size:12px;font-weight:600;color:var(--ink-2);padding-left:10px;border-left:1px solid var(--line)}
@media(min-width:1080px){.logo-sub{display:inline}}
.nav-search{flex:1;max-width:420px;margin-left:auto;position:relative;display:none}
@media(min-width:768px){.nav-search{display:block}}
.nav-search input{width:100%;height:40px;border-radius:999px;border:1px solid var(--line);background:#F1F3EE;padding:0 18px 0 40px;font-size:14px;color:var(--ink)}
.nav-search input::placeholder{color:#93A09B}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--lime-400);box-shadow:0 0 0 3px rgba(198,242,78,.35)}
.nav-search svg{position:absolute;left:14px;top:12px;width:16px;height:16px;stroke:#7C8B86;fill:none;stroke-width:2}
.nav-cta{margin-left:auto}
@media(min-width:768px){.nav-cta{margin-left:16px}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;border-radius:999px;transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out;white-space:nowrap}
.btn-primary{background:linear-gradient(100deg,#FF6B4A,#FF9558);color:#fff;padding:13px 26px;box-shadow:0 10px 24px rgba(255,107,74,.25)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(255,107,74,.34)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{border:1px solid var(--line);background:#fff;color:var(--brand-700);padding:12px 24px;border-radius:14px}
.btn-outline:hover{border-color:var(--brand-300);color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-soft{background:#E8F6F1;color:var(--brand-700);padding:12px 22px;border-radius:14px}
.btn-soft:hover{background:#D8EFE7;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.nav-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff}
@media(min-width:768px){.nav-toggle{display:none}}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--brand-900);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--brand-900);border-radius:2px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-tabs-row{border-top:1px solid var(--line);height:48px;display:flex;align-items:center}
.tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:0 2px}
.tabs::-webkit-scrollbar{display:none}
.tab{position:relative;display:inline-flex;align-items:center;padding:7px 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;transition:background .16s ease-out,color .16s ease-out}
.tab:hover{background:#EDF6F2;color:var(--brand-500)}
.tab.active{background:var(--brand-700);color:#fff}
.tab.active::after{content:"";position:absolute;left:14px;bottom:4px;width:6px;height:6px;border-radius:50%;background:var(--lime-400)}
/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(115deg,#06231F 0%,#12836C 52%,#4FC3A1 100%);color:#fff}
.hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.16;mix-blend-mode:luminosity}
.hero-inner{position:relative;z-index:2;padding:56px 0 64px;display:grid;gap:40px}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.05fr .95fr;align-items:center;padding:84px 0 92px;gap:52px}}
.hero h1{font-size:31px;line-height:1.28;color:#fff}
@media(min-width:768px){.hero h1{font-size:42px}}
@media(min-width:1100px){.hero h1{font-size:48px}}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(198,242,78,.18);border:1px solid rgba(198,242,78,.45);color:#EAFBD0;font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px}
.hero-sub{margin-top:18px;font-size:16px;color:rgba(255,255,255,.86);max-width:540px}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}
.hero-actions .btn-outline{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.hero-actions .btn-outline:hover{border-color:var(--lime-400);color:var(--lime-400);box-shadow:none}
.hero-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.72)}
.stats{margin-top:32px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:560px}
@media(min-width:640px){.stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat{background:rgba(198,242,78,.92);color:var(--brand-900);border-radius:16px;padding:12px 14px}
.stat b{display:block;font-size:21px;line-height:1.2;font-weight:800}
.stat span{font-size:12px;color:#20443C;font-weight:600}
.hero-visual{position:relative}
.hero-shot{border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.28);box-shadow:0 26px 60px rgba(3,20,17,.42)}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-float{position:absolute;left:-8px;bottom:-18px;background:#fff;color:var(--brand-900);border-radius:18px;padding:12px 18px;box-shadow:0 18px 40px rgba(3,20,17,.28);font-size:13px;font-weight:700}
.hero-float small{display:block;font-weight:600;color:var(--ink-2);font-size:12px}
/* generic cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6DCD1}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;background:#E8F6F1;color:var(--brand-500)}
.chip-lime{background:#EDF9D6;color:#3F5A12}
.grid-3{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.grid-2{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:900px){.grid-2{grid-template-columns:repeat(2,1fr)}}
.cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img)}
/* entry cards */
.entry-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.entry-card .cover{border-radius:0;border-bottom:1px solid var(--line)}
.entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.entry-body h3{font-size:20px}
.entry-body p{color:var(--ink-2);font-size:14.5px}
.entry-link{margin-top:auto;font-weight:700;font-size:14px;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px}
.entry-card:hover .entry-link{color:var(--coral-500)}
/* carousel */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.rail-nav{display:flex;gap:10px}
.rail-btn{width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:18px;transition:all .18s ease-out}
.rail-btn:hover{background:var(--brand-700);color:#fff;border-color:var(--brand-700)}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:26px 2px 10px;overscroll-behavior:contain;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.shot{flex:0 0 82%;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
@media(min-width:640px){.shot{flex:0 0 46%}}
@media(min-width:1024px){.shot{flex:0 0 calc((100% - 40px)/3)}}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.shot-body{padding:16px 18px 20px}
.shot-body h3{font-size:17px}
.shot-body p{margin-top:6px;font-size:13.5px;color:var(--ink-2)}
.shot-tag{position:absolute;top:14px;right:14px;background:rgba(6,35,31,.82);color:var(--lime-400);font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:999px}
.shot-media{position:relative}
/* spec cards */
.spec{display:flex;gap:16px;align-items:flex-start;padding:22px}
.spec-icon{flex:0 0 46px;width:46px;height:46px;border-radius:14px;background:#E8F6F1;color:var(--brand-500);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.spec h3{font-size:16.5px}
.spec b{display:block;margin-top:6px;font-size:15px;color:var(--brand-700);font-weight:700}
.spec p{margin-top:4px;font-size:13.5px;color:var(--ink-2)}
/* reviews */
.reviews{display:grid;gap:22px}
@media(min-width:900px){.reviews{grid-template-columns:repeat(2,1fr);align-items:start}}
.review{padding:24px;background:#fff}
.review:nth-child(even){margin-top:0}
@media(min-width:900px){.review:nth-child(even){margin-top:34px}}
.stars{color:var(--lime-400);letter-spacing:2px;font-size:15px}
.review p{margin-top:12px;font-size:15px;color:#243029;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review-foot{margin-top:16px;display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--brand-500),var(--brand-300));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.review-foot small{color:var(--ink-2);font-size:12.5px;display:block}
/* download platform cards */
.dl-card{padding:26px;display:flex;flex-direction:column;gap:14px}
.dl-head{display:flex;align-items:center;gap:12px}
.dl-icon{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,#0B3B33,#4FC3A1);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}
.dl-meta{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px;color:var(--ink-2)}
.dl-meta b{color:var(--ink);font-weight:700}
.dl-card .btn{margin-top:auto;width:100%}
/* news */
.news-layout{display:grid;gap:22px}
@media(min-width:1024px){.news-layout{grid-template-columns:1.15fr .85fr}}
.news-lead{overflow:hidden;display:flex;flex-direction:column}
.news-lead img{border-radius:0;border-bottom:1px solid var(--line);aspect-ratio:16/9;object-fit:cover;width:100%}
.news-lead-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-lead-body h3{font-size:22px}
.news-lead-body p{color:var(--ink-2);font-size:14.5px}
.news-mini{display:block;padding:20px 22px;border-bottom:1px solid var(--line);transition:background .16s ease-out}
.news-mini:last-child{border-bottom:0}
.news-mini:hover{background:#F7FBF8}
.news-mini h3{font-size:16.5px;margin-top:8px}
.news-mini p{margin-top:6px;font-size:13.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:8px;font-size:12.5px;color:#8A9792}
.news-empty{padding:56px 24px;text-align:center;color:var(--ink-2)}
.news-empty-icon{width:64px;height:64px;margin:0 auto 16px;border-radius:20px;background:#EDF3EF;display:flex;align-items:center;justify-content:center;color:var(--brand-500);font-size:24px;font-weight:800}
/* faq */
.faq{max-width:900px;margin:0 auto}
details.faq-item{border-bottom:1px solid var(--line);padding:6px 0}
details.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 4px;font-size:16.5px;font-weight:600;color:var(--brand-900)}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::after{content:"+";flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:#EDF6F2;color:var(--brand-500);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;transition:transform .2s ease-out}
details.faq-item[open] summary::after{content:"–";background:var(--lime-400);color:var(--brand-900);transform:rotate(180deg)}
.faq-answer{padding:0 4px 20px 18px;border-left:2px solid var(--brand-300);margin-left:4px;color:var(--ink-2);font-size:14.5px;animation:fadeIn .2s ease-out}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
/* cta */
.cta{margin:0 auto;max-width:1200px;border-radius:26px;background:linear-gradient(115deg,#06231F 0%,#12836C 52%,#4FC3A1 100%);color:#fff;padding:46px 28px;text-align:center;position:relative;overflow:hidden}
@media(min-width:768px){.cta{padding:58px 56px;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:32px}}
.cta h2{font-size:27px}
.cta p{margin-top:12px;color:rgba(255,255,255,.85);font-size:15px;max-width:560px}
.cta-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px}
@media(min-width:768px){.cta-actions{margin-top:0;flex:0 0 auto}}
.cta .btn-outline{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.cta .btn-outline:hover{border-color:var(--lime-400);color:var(--lime-400);box-shadow:none}
/* footer */
.site-footer{background:var(--brand-900);color:#C6D5D0;margin-top:72px}
.footer-grid{display:grid;gap:32px;padding:56px 0 34px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr}}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.site-footer li{margin-bottom:10px;font-size:14px}
.site-footer a:hover{color:var(--lime-400)}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px}
.footer-desc{margin-top:16px;font-size:13.5px;color:#9FB5AF;max-width:330px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:13px;color:#8FA6A0}
/* mobile bottom bar */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;align-items:center;justify-content:space-between;gap:14px;padding:12px 18px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .28s ease-out}
.mobile-bar.show{transform:translateY(0)}
.mobile-bar b{display:block;font-size:14px;color:var(--brand-900)}
.mobile-bar small{font-size:12px;color:var(--ink-2)}
@media(max-width:639px){.mobile-bar{display:flex}body{padding-bottom:78px}}

/* roulang page: article */
:root{
  --brand-900:#06231F;
  --brand-700:#0B3B33;
  --brand-500:#12836C;
  --brand-300:#4FC3A1;
  --lime-400:#C6F24E;
  --coral-500:#FF6B4A;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --line:#E3E7DE;
  --ink:#10201C;
  --ink-2:#5A6B66;
  --r-card:22px;
  --r-img:18px;
  --sh-1:0 8px 24px rgba(6,35,31,.06);
  --sh-2:0 16px 40px rgba(6,35,31,.12);
  --grad-brand:linear-gradient(115deg,#06231F 0%,#12836C 52%,#4FC3A1 100%);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-top{display:flex;align-items:center;gap:14px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--brand-900);white-space:nowrap}
.logo-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,#12836C,#4FC3A1);color:#fff;font-size:14px;font-weight:800;letter-spacing:0;
}
.logo-sub{font-size:13px;color:var(--ink-2);padding-left:14px;border-left:1px solid var(--line);white-space:nowrap}
.nav-search{
  display:flex;align-items:center;gap:8px;margin-left:auto;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  height:38px;padding:0 16px;width:280px;transition:border-color .18s,box-shadow .18s;
}
.nav-search svg{width:16px;height:16px;flex:none;fill:none;stroke:var(--ink-2);stroke-width:2;stroke-linecap:round}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink)}
.nav-search input::placeholder{color:#9AA8A3}
.nav-search:focus-within{border-color:var(--brand-300);box-shadow:0 0 0 3px rgba(198,242,78,.5)}
.nav-toggle{display:none;width:40px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--brand-700);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--brand-700);border-radius:2px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-tabs-row{border-top:1px solid var(--line)}
.tabs{display:flex;gap:8px;overflow-x:auto;padding:8px 0;scrollbar-width:none;overscroll-behavior:contain}
.tabs::-webkit-scrollbar{display:none}
.tab{
  position:relative;flex:none;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--ink-2);transition:background .18s,color .18s;
}
.tab:hover{background:#EAF1EC;color:var(--brand-700)}
.tab.active{background:var(--brand-700);color:#fff}
.tab.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-4px;
  width:6px;height:6px;border-radius:999px;background:var(--lime-400);
}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;padding:12px 26px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s,border-color .18s;
}
.btn-primary{background:linear-gradient(100deg,#FF6B4A,#FF9558);color:#fff;box-shadow:0 8px 24px rgba(255,107,74,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,107,74,.34)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-700);border-radius:14px}
.btn-ghost:hover{border-color:var(--brand-300);background:#F1F8F4;transform:translateY(-2px)}
.btn-soft{background:#EAF6F0;color:var(--brand-700);border-radius:14px}
.btn-soft:hover{background:#DCEFE6;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.nav-cta{margin-left:2px}

/* ============ article head ============ */
.article-head{
  position:relative;color:#fff;padding:48px 0 60px;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(6,35,31,.96) 0%,rgba(18,131,108,.92) 55%,rgba(79,195,161,.86) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);flex-wrap:wrap}
.crumbs a:hover{color:var(--lime-400)}
.crumb-current{color:#fff;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  font-size:13px;font-weight:600;background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.24);
}
.article-head h1{font-size:44px;line-height:1.25;color:#fff;margin-top:18px;max-width:900px}
.head-tag-row{display:flex;align-items:center;gap:10px;margin-top:26px;flex-wrap:wrap}
.head-tag-row .chip{background:rgba(198,242,78,.18);border-color:rgba(198,242,78,.4);color:#EAFBD2}
.meta-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:16px;font-size:14px;color:rgba(255,255,255,.76)}
.meta-row .dot{width:4px;height:4px;border-radius:999px;background:rgba(255,255,255,.5)}
.meta-row strong{color:#fff;font-weight:600}

/* ============ layout ============ */
.article-main{padding:56px 0 72px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1)}
.article-panel{padding:40px 44px}
.article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--ink)}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:26px;line-height:1.4;font-weight:800;margin:44px 0 16px;padding-left:14px;
  border-left:4px solid var(--lime-400);color:var(--brand-900);
}
.article-body h3{font-size:20px;line-height:1.5;color:var(--brand-700);margin:30px 0 12px;font-weight:700}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0}
.article-body ul{margin:0 0 20px}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:2px;top:12px;width:8px;height:8px;border-radius:999px;background:var(--brand-300)}
.article-body ol{counter-reset:olc;margin:0 0 20px}
.article-body ol li{position:relative;padding-left:36px;counter-increment:olc;margin-bottom:10px}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:4px;width:22px;height:22px;border-radius:999px;
  background:#EAF6F0;color:var(--brand-700);font-size:12px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin:24px 0;padding:18px 24px;background:#F1F8F4;border-left:4px solid var(--brand-300);
  border-radius:0 14px 14px 0;color:var(--brand-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px 0;box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.article-body th{background:#EAF1EC;color:var(--brand-700);text-align:left;font-weight:700}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tr:last-child td{border-bottom:0}
.article-body tbody tr:nth-child(even){background:#FAFBF8}
.article-body strong{color:var(--brand-900)}
.article-body a{color:var(--brand-500);border-bottom:1px solid rgba(18,131,108,.35)}
.article-body a:hover{color:var(--coral-500);border-color:rgba(255,107,74,.45)}

/* ============ toc ============ */
.toc-card{position:sticky;top:132px;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-1)}
.toc-title{font-size:14px;font-weight:800;color:var(--brand-900);display:flex;align-items:center;gap:8px;margin-bottom:12px}
.toc-title i{width:8px;height:8px;border-radius:999px;background:var(--lime-400);display:block}
#tocList{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow:auto;overscroll-behavior:contain}
#tocList a,.toc-list a{
  display:block;font-size:13.5px;color:var(--ink-2);padding:7px 10px;border-radius:10px;
  border-left:2px solid transparent;transition:background .16s,color .16s,border-color .16s;line-height:1.5;
}
#tocList a.lv3,.toc-list a.lv3{padding-left:22px;font-size:13px;color:#7C8A85}
#tocList a:hover,.toc-list a:hover{background:#F1F8F4;color:var(--brand-700)}
#tocList a.on,.toc-list a.on{background:#EAF6F0;color:var(--brand-700);border-left-color:var(--lime-400);font-weight:700}
.toc-empty{font-size:13px;color:var(--ink-2)}
.toc-side-card{margin-top:20px;padding:22px;background:linear-gradient(160deg,#06231F,#0B3B33);border-radius:20px;color:#fff}
.toc-side-card h4{font-size:15px;color:#fff;margin-bottom:8px}
.toc-side-card p{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;line-height:1.75}
.toc-side-card .btn{width:100%}
.toc-mobile{display:none}

/* ============ article foot ============ */
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row span.tag{font-size:13px;padding:6px 14px;border-radius:999px;background:#EAF6F0;color:var(--brand-700);font-weight:600}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:40px}
.pager a{
  display:block;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s;
}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.pager small{display:block;font-size:12.5px;color:var(--ink-2);margin-bottom:8px}
.pager strong{font-size:16px;color:var(--brand-900);font-weight:700;line-height:1.55;display:block}
.pager .right{text-align:right}

/* ============ sections ============ */
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{font-size:30px;color:var(--brand-900)}
.section-head p{font-size:14.5px;color:var(--ink-2);margin-top:10px;max-width:620px}
.link-more{font-size:14px;font-weight:700;color:var(--brand-500)}
.link-more:hover{color:var(--coral-500)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out;display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#E7EDE7}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;line-height:1.5;color:var(--brand-900);font-weight:700}
.rel-card p{font-size:14px;color:var(--ink-2);line-height:1.7}
.rel-card time{font-size:12.5px;color:#8C9A95;margin-top:auto}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(115deg,#06231F 0%,#12836C 52%,#4FC3A1 100%);
  color:#fff;border-radius:28px;padding:48px;display:flex;align-items:center;
  justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:var(--sh-2);
}
.cta-band h2{font-size:30px;color:#fff}
.cta-band p{font-size:15px;color:rgba(255,255,255,.82);margin-top:12px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-soft{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3)}
.cta-band .btn-soft:hover{background:rgba(255,255,255,.22)}

/* ============ faq ============ */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item[open]{border-color:var(--brand-300);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--brand-900);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:10px;height:10px;flex:none;border-right:2px solid var(--brand-500);
  border-bottom:2px solid var(--brand-500);transform:rotate(45deg);transition:transform .2s ease-out;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-item .faq-body{padding:0 24px 22px;border-left:3px solid var(--brand-300);margin-left:24px;font-size:15px;color:var(--ink-2);line-height:1.85}
.faq-item .faq-body p{margin-bottom:12px}
.faq-item .faq-body p:last-child{margin-bottom:0}
.faq-item .faq-body strong{color:var(--brand-700)}

/* ============ empty ============ */
.empty-state{text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:20px;background:#FAFBF8}
.empty-state h2{font-size:22px;color:var(--brand-900);margin-bottom:12px}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:22px}
.empty-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:linear-gradient(135deg,#12836C,#4FC3A1);display:grid;place-items:center;color:#fff;font-weight:800;font-size:20px}

/* ============ footer ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.site-footer li{margin-bottom:10px;font-size:14px}
.site-footer a{color:rgba(255,255,255,.72);transition:color .16s}
.site-footer a:hover{color:var(--lime-400)}
.footer-bottom{
  margin-top:44px;padding-top:22px;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,.55);
}

/* ============ mobile bar ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  padding:12px 20px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  backdrop-filter:blur(8px);transform:translateY(110%);transition:transform .24s ease-out;
}
.mobile-bar.show{transform:translateY(0)}
.mobile-bar span{font-size:13px;color:var(--ink-2);line-height:1.4}
body.has-bar{padding-bottom:74px}

/* ============ responsive ============ */
@media (max-width:1024px){
  .article-grid{grid-template-columns:1fr;gap:32px}
  .toc-card{display:none}
  .toc-mobile{display:block;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh-1);margin-bottom:26px}
  .toc-mobile summary{list-style:none;cursor:pointer;font-size:15px;font-weight:700;color:var(--brand-900);display:flex;align-items:center;justify-content:space-between}
  .toc-mobile summary::-webkit-details-marker{display:none}
  .toc-mobile summary::after{content:"";width:9px;height:9px;border-right:2px solid var(--brand-500);border-bottom:2px solid var(--brand-500);transform:rotate(45deg);transition:transform .2s;margin-top:-4px}
  .toc-mobile[open] summary::after{transform:rotate(-135deg);margin-top:4px}
  .toc-list{display:flex;flex-direction:column;gap:2px;margin-top:12px;max-height:46vh;overflow:auto;overscroll-behavior:contain}
  .rel-grid{grid-template-columns:1fr 1fr}
  .article-head h1{font-size:36px}
  .article-panel{padding:32px 28px}
  .logo-sub{display:none}
}
@media (max-width:900px){
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .mobile-bar{display:flex}
}
@media (max-width:768px){
  .wrap{padding:0 20px}
  .article-head{padding:34px 0 44px}
  .article-head h1{font-size:30px}
  .article-main{padding:36px 0 52px}
  .section{padding:52px 0}
  .section-head h2{font-size:25px}
  .article-panel{padding:26px 20px}
  .article-body h2{font-size:22px;margin-top:34px}
  .article-body h3{font-size:18px}
  .rel-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager .right{text-align:left}
  .cta-band{padding:32px 24px;border-radius:22px}
  .cta-band h2{font-size:23px}
  .faq-item summary{font-size:15.5px;padding:16px 18px}
  .faq-item .faq-body{margin-left:16px;padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-desc{max-width:none}
}
@media (max-width:520px){
  .logo{font-size:17px}
  .article-head h1{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .meta-row{gap:12px;font-size:13px}
  .crumb-current{max-width:200px}
}

/* roulang page: category1 */
:root{
  --brand-900:#06231F;
  --brand-700:#0B3B33;
  --brand-500:#12836C;
  --brand-300:#4FC3A1;
  --lime-400:#C6F24E;
  --coral-500:#FF6B4A;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --line:#E3E7DE;
  --ink:#10201C;
  --ink-2:#5A6B66;
  --r-card:22px;
  --r-img:18px;
  --sh-1:0 8px 24px rgba(6,35,31,.06);
  --sh-2:0 16px 40px rgba(6,35,31,.12);
  --grad-dark:linear-gradient(115deg,#06231F 0%,#12836C 52%,#4FC3A1 100%);
  --grad-cta:linear-gradient(100deg,#FF6B4A,#FF9558);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
h1,h2,h3,h4{letter-spacing:-.01em;line-height:1.25;margin:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,246,242,.93);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-top{display:flex;align-items:center;gap:16px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--brand-900);white-space:nowrap;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#12836C,#4FC3A1);color:#fff;
  font-size:13px;font-weight:800;letter-spacing:.04em;flex:0 0 auto;
}
.logo-sub{font-size:13px;color:var(--ink-2);white-space:nowrap;}
.nav-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 16px;max-width:320px;flex:1 1 220px;transition:border-color var(--t),box-shadow var(--t);
}
.nav-search svg{width:16px;height:16px;flex:0 0 auto;stroke:var(--ink-2);stroke-width:2;fill:none;stroke-linecap:round;}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink);}
.nav-search input::placeholder{color:#9AA8A3;}
.nav-search:focus-within{border-color:var(--lime-400);box-shadow:0 0 0 3px rgba(198,242,78,.35);}
.nav-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:40px;height:40px;align-items:center;justify-content:center;}
.nav-toggle span{width:16px;height:2px;background:var(--brand-700);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--brand-700);}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-tabs-row{border-top:1px solid rgba(227,231,222,.7);}
.tabs{display:flex;gap:8px;overflow-x:auto;padding:9px 0;scrollbar-width:none;overscroll-behavior:contain;}
.tabs::-webkit-scrollbar{display:none;}
.tab{
  position:relative;white-space:nowrap;padding:8px 16px;border-radius:999px;
  font-size:14.5px;color:var(--ink-2);transition:background var(--t),color var(--t);
}
.tab:hover{background:rgba(18,131,108,.08);color:var(--brand-700);}
.tab:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;}
.tab.active{background:var(--brand-700);color:#fff;font-weight:600;}
.tab.active::after{
  content:"";position:absolute;left:14px;bottom:2px;width:6px;height:6px;border-radius:50%;
  background:var(--lime-400);
}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;cursor:pointer;
  font-size:15px;font-weight:600;padding:12px 24px;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px rgba(255,107,74,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,107,74,.34);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-300);color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-soft{background:rgba(79,195,161,.14);color:var(--brand-700);border-color:rgba(79,195,161,.35);}
.btn-soft:hover{background:rgba(79,195,161,.24);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:15px 30px;font-size:16px;}
.btn-block{width:100%;}

/* 分类 Hero */
.cat-hero{
  position:relative;
  background-image:linear-gradient(115deg,rgba(6,35,31,.95) 0%,rgba(18,131,108,.88) 55%,rgba(79,195,161,.74) 100%),url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.cat-hero-inner{padding:72px 0 64px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:20px;flex-wrap:wrap;}
.crumb a:hover{color:var(--lime-400);}
.crumb i{font-size:10px;opacity:.7;}
.cat-hero h1{font-size:44px;font-weight:800;max-width:820px;color:#fff;}
.cat-hero .hero-lead{margin-top:18px;font-size:17px;line-height:1.8;max-width:640px;color:rgba(255,255,255,.86);}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hbadge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.42);
  border-radius:999px;padding:8px 16px;font-size:14px;color:#EAFBD2;
}
.hbadge b{font-size:18px;font-weight:800;color:var(--lime-400);font-variant-numeric:tabular-nums;}
.hero-hero-img{
  border-radius:20px;border:1px solid rgba(255,255,255,.18);
  box-shadow:0 24px 60px rgba(0,0,0,.28);
  aspect-ratio:4/3;object-fit:cover;width:100%;
}

/* 板块 */
.section{padding:88px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand-500);background:rgba(79,195,161,.14);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-head h2{font-size:32px;font-weight:800;color:var(--brand-900);}
.sec-head p{margin-top:14px;color:var(--ink-2);font-size:16px;}

/* 平台安装包卡 */
.platform-grid{display:grid;gap:22px;grid-template-columns:1fr;}
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(79,195,161,.55);}
.plan-card.is-main{border-color:rgba(255,107,74,.35);background:linear-gradient(180deg,rgba(255,107,74,.05),rgba(255,255,255,0) 42%),#fff;}
.plan-top{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.plan-icon{
  width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
  background:rgba(18,131,108,.1);color:var(--brand-500);font-size:20px;flex:0 0 auto;
}
.plan-card.is-main .plan-icon{background:rgba(255,107,74,.12);color:var(--coral-500);}
.plan-top h3{font-size:22px;font-weight:800;color:var(--brand-900);}
.plan-top span{font-size:13px;color:var(--ink-2);}
.dl-row{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:8px 0;border-bottom:1px dashed var(--line);}
.dl-row:last-of-type{border-bottom:0;}
.dl-row dt{color:var(--ink-2);}
.dl-row dd{margin:0;font-weight:600;color:var(--brand-900);font-variant-numeric:tabular-nums;}
.plan-card .btn{margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  background:rgba(198,242,78,.35);color:var(--brand-900);
  border-radius:999px;padding:3px 10px;
}

/* 安装步骤 */
.install-layout{display:grid;gap:32px;grid-template-columns:1fr;}
.install-aside{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.install-aside img{aspect-ratio:4/3;object-fit:cover;width:100%;}
.aside-body{padding:22px 24px 26px;}
.aside-body h3{font-size:19px;font-weight:800;color:var(--brand-900);margin-bottom:10px;}
.aside-body ul li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);margin-bottom:8px;}
.aside-body ul li::before{
  content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;border-radius:50%;background:var(--lime-400);
}
.steps{display:grid;gap:16px;}
.step{
  display:grid;grid-template-columns:auto 1fr;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(79,195,161,.5);}
.step-no{
  width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
  background:var(--lime-400);color:var(--brand-900);font-weight:800;font-size:17px;
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.step h3{font-size:18px;font-weight:700;color:var(--brand-900);}
.step p{margin-top:8px;font-size:15px;color:var(--ink-2);}
.step .step-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;}
.step-meta span{font-size:12.5px;color:var(--brand-700);background:rgba(79,195,161,.14);border-radius:999px;padding:3px 10px;}

/* 规格卡 */
.spec-grid{display:grid;gap:22px;grid-template-columns:1fr;}
.spec-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.spec-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.spec-head i{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:rgba(18,131,108,.1);color:var(--brand-500);font-size:17px;
}
.spec-head h3{font-size:18px;font-weight:800;color:var(--brand-900);}
.spec-card .dl-row{padding:9px 0;}

/* 校验图文 */
.check-layout{display:grid;gap:32px;grid-template-columns:1fr;align-items:center;}
.check-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--line);}
.check-media img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--brand-500);font-size:17px;margin-top:5px;}
.check-list b{display:block;font-size:16px;color:var(--brand-900);font-weight:700;}
.check-list p{font-size:14.5px;color:var(--ink-2);margin-top:4px;}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:rgba(18,131,108,.42);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;
  justify-content:space-between;gap:18px;font-size:16.5px;font-weight:600;color:var(--brand-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--brand-500);
  transition:transform 200ms ease-out;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{
  margin:0 24px 22px 24px;padding:2px 0 2px 16px;
  border-left:3px solid var(--brand-300);color:var(--ink-2);font-size:15px;
}

/* 交叉链接 */
.cross-grid{display:grid;gap:22px;grid-template-columns:1fr;}
.cross-card{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(79,195,161,.5);}
.cross-card i{
  width:46px;height:46px;border-radius:15px;display:grid;place-items:center;
  background:rgba(198,242,78,.45);color:var(--brand-900);font-size:18px;flex:0 0 auto;
}
.cross-card b{display:block;font-size:17px;color:var(--brand-900);font-weight:700;}
.cross-card p{font-size:14px;color:var(--ink-2);margin-top:4px;}

/* 深色 CTA */
.cta-band{
  background:var(--grad-dark);color:#fff;border-radius:26px;
  padding:52px 44px;display:grid;gap:26px;align-items:center;
  box-shadow:0 24px 60px rgba(6,35,31,.22);
}
.cta-band h2{font-size:30px;font-weight:800;color:#fff;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.82);font-size:16px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-on-dark{background:#fff;color:var(--brand-900);}
.btn-on-dark:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.25);}

/* 页脚 */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.76);margin-top:88px;padding:64px 0 26px;}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.9;max-width:340px;}
.site-footer h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:14px;}
.site-footer ul li{margin-bottom:9px;font-size:14px;}
.site-footer ul li a{transition:color var(--t);}
.site-footer ul li a:hover{color:var(--lime-400);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}

/* 移动端底部下载条 */
.mobile-download-bar{
  position:fixed;left:12px;right:12px;bottom:12px;z-index:70;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  background:rgba(6,35,31,.96);color:#fff;border-radius:18px;
  padding:12px 14px;box-shadow:0 16px 40px rgba(6,35,31,.35);
  transform:translateY(160%);transition:transform 220ms ease-out;
}
.mobile-download-bar.show{transform:translateY(0);}
.mdb-text b{display:block;font-size:14px;font-weight:700;}
.mdb-text span{font-size:12px;color:rgba(255,255,255,.7);}

@media (min-width:640px){
  .cross-grid{grid-template-columns:repeat(2,1fr);}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:768px){
  .platform-grid{grid-template-columns:repeat(3,1fr);}
  .check-layout{grid-template-columns:340px 1fr;}
  .cta-band{grid-template-columns:1fr auto;padding:60px 56px;}
}
@media (min-width:1024px){
  .spec-grid{grid-template-columns:repeat(3,1fr);}
  .install-layout{grid-template-columns:340px 1fr;}
  .install-aside{position:sticky;top:132px;}
  .platform-grid{grid-template-columns:1.12fr 1fr 1fr;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;}
}
@media (max-width:1023px){
  .logo-sub{display:none;}
  .nav-search{max-width:200px;}
}
@media (max-width:767px){
  .wrap{padding:0 20px;}
  .section{padding:58px 0;}
  .cat-hero-inner{padding:52px 0 48px;}
  .cat-hero h1{font-size:31px;}
  .cat-hero .hero-lead{font-size:15.5px;}
  .sec-head h2{font-size:25px;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-cta{display:none;}
  .mobile-download-bar{display:flex;}
  .cta-band{padding:38px 24px;border-radius:22px;}
  .cta-band h2{font-size:24px;}
  .step{padding:18px 18px;}
  .step-no{width:42px;height:42px;border-radius:13px;font-size:15px;}
  .faq-item summary{padding:17px 18px;font-size:15.5px;}
  .faq-body{margin:0 18px 18px 18px;}
  .site-footer{margin-top:58px;padding:48px 0 22px;}
}

/* roulang page: category2 */
:root{
  --brand-900:#06231F;
  --brand-700:#0B3B33;
  --brand-500:#12836C;
  --brand-300:#4FC3A1;
  --lime-400:#C6F24E;
  --coral-500:#FF6B4A;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --line:#E3E7DE;
  --ink:#10201C;
  --ink-2:#5A6B66;
  --radius-card:22px;
  --radius-img:18px;
  --shadow-1:0 8px 24px rgba(6,35,31,.06);
  --shadow-2:0 16px 40px rgba(6,35,31,.12);
  --grad-brand:linear-gradient(115deg,#06231F 0%,#12836C 52%,#4FC3A1 100%);
  --grad-coral:linear-gradient(100deg,#FF6B4A,#FF9558);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.3;font-weight:800;color:var(--brand-900)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:92px 0}
.section--tight{padding:64px 0}
.section--alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:38px;flex-wrap:wrap}
.sec-title{font-size:clamp(24px,3vw,32px)}
.sec-desc{color:var(--ink-2);font-size:15px;margin-top:12px;max-width:660px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-700);background:rgba(79,195,161,.16);border-radius:999px;padding:6px 14px;letter-spacing:.02em}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-top{display:flex;align-items:center;gap:18px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--brand-900);white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:13px;font-weight:800;color:#06231F;background:linear-gradient(135deg,#4FC3A1,#C6F24E);flex:0 0 auto}
.logo-sub{font-size:13px;color:var(--ink-2);border-left:1px solid var(--line);padding-left:16px;white-space:nowrap}
.nav-search{display:flex;align-items:center;gap:9px;margin-left:auto;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:8px 18px;min-width:260px;transition:border-color .18s ease-out, box-shadow .18s ease-out}
.nav-search svg{width:17px;height:17px;fill:none;stroke:var(--ink-2);stroke-width:1.8;stroke-linecap:round;flex:0 0 auto}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.nav-search input::placeholder{color:#93A19C}
.nav-search:focus-within{border-color:var(--lime-400);box-shadow:0 0 0 3px rgba(198,242,78,.35);background:#fff}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:38px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--brand-900);border-radius:2px;content:""}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px;left:0;transform:none}
.nav-toggle span::after{top:6px;left:0;transform:none}
.nav-tabs-row{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-tabs-row::-webkit-scrollbar{display:none}
.tabs{display:flex;gap:10px;padding:9px 0 11px;min-width:max-content}
.tab{position:relative;display:inline-flex;align-items:center;padding:7px 17px;border-radius:999px;font-size:14px;font-weight:600;color:var(--brand-700);background:rgba(79,195,161,.12);transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out}
.tab:hover{background:rgba(79,195,161,.24);transform:translateY(-2px)}
.tab:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px}
.tab.active{background:var(--brand-900);color:#fff;box-shadow:0 8px 20px rgba(6,35,31,.18)}
.tab.active::after{content:"";position:absolute;left:17px;bottom:-6px;width:6px;height:6px;border-radius:50%;background:var(--lime-400)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:999px;padding:13px 27px;font-size:15px;font-weight:700;cursor:pointer;transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--lime-400);outline-offset:3px}
.btn-primary{background:var(--grad-coral);color:#fff;box-shadow:0 10px 26px rgba(255,107,74,.28)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(255,107,74,.34)}
.btn-ghost{border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.08);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-3px)}
.btn-outline{border-color:var(--brand-300);background:#fff;color:var(--brand-700)}
.btn-outline:hover{background:rgba(79,195,161,.14);transform:translateY(-3px)}
.btn-soft{border-radius:14px;background:rgba(79,195,161,.16);color:var(--brand-700)}
.btn-soft:hover{background:rgba(79,195,161,.28);transform:translateY(-3px)}
.btn-sm{padding:9px 19px;font-size:14px}

/* ---------- hero ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;color:#fff;background:var(--brand-700)}
.hero-bg{position:absolute;inset:0;z-index:-1;background-image:linear-gradient(255deg,rgba(6,35,31,.94) 0%,rgba(11,59,51,.9) 42%,rgba(18,131,108,.72) 100%),url(/assets/images/backpic/back-2.webp);background-position:center,right center;background-size:cover,cover;background-repeat:no-repeat}
.hero-inner{display:grid;grid-template-columns:1.55fr 1fr;gap:52px;align-items:center;padding:74px 0 84px}
.crumbs{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;flex-wrap:wrap}
.crumbs a:hover{color:var(--lime-400)}
.crumbs span{opacity:.6}
.hero .eyebrow{background:rgba(198,242,78,.2);color:var(--lime-400)}
.hero .eyebrow::before{background:var(--lime-400)}
.hero h1{color:#fff;font-size:clamp(30px,4.1vw,48px);margin:18px 0 0;letter-spacing:-.015em}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.7)}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.stat{display:inline-flex;align-items:baseline;gap:7px;background:var(--lime-400);color:var(--brand-900);border-radius:999px;padding:8px 17px;font-size:13px;font-weight:600}
.stat b{font-size:18px;font-weight:800}
.hero-panel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-card);padding:26px;backdrop-filter:blur(6px)}
.hero-panel h2{color:#fff;font-size:17px;margin-bottom:6px}
.hero-panel p{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px}
.hero-panel li{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0;border-top:1px solid rgba(255,255,255,.16);font-size:14px;color:rgba(255,255,255,.92)}
.hero-panel li:first-child{border-top:0}
.hero-panel li em{font-style:normal;font-size:12px;font-weight:700;color:var(--brand-900);background:var(--lime-400);border-radius:999px;padding:3px 11px;white-space:nowrap}

/* ---------- feature asymmetric grid ---------- */
.feat-grid{display:grid;grid-template-columns:1.32fr 1fr 1fr;gap:22px}
.feat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:12px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D3DCD2}
.feat-card:focus-within{border-color:var(--brand-300)}
.feat-main{grid-row:span 2;padding:24px}
.feat-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:14px;font-weight:800;background:rgba(79,195,161,.18);color:var(--brand-700);flex:0 0 auto}
.feat-icon--lime{background:rgba(198,242,78,.5)}
.feat-card h3{font-size:19px}
.feat-main h3{font-size:25px}
.feat-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.thumb{aspect-ratio:16/9;border-radius:var(--radius-img);overflow:hidden;background:#E9EDE6;margin-bottom:4px}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.feat-main:hover .thumb img{transform:scale(1.04)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.chip{font-size:12px;font-weight:700;color:var(--brand-700);background:rgba(79,195,161,.14);border-radius:999px;padding:4px 12px}
.chip--lime{background:rgba(198,242,78,.55);color:var(--brand-900)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 22px 22px;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:12px;background:var(--lime-400);color:var(--brand-900);font-weight:800;font-size:15px;margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2)}

/* ---------- spec list ---------- */
.spec-list{display:grid;gap:12px}
.spec-row{display:grid;grid-template-columns:210px 1fr 132px;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:17px 22px;box-shadow:var(--shadow-1);transition:transform .18s ease-out,border-color .18s ease-out}
.spec-row:hover{transform:translateX(5px);border-color:var(--brand-300)}
.spec-name{font-weight:700;color:var(--brand-900);font-size:15px}
.spec-value{font-size:14.5px;color:var(--ink-2)}
.spec-tag{justify-self:end;font-size:12px;font-weight:700;color:var(--brand-900);background:rgba(198,242,78,.5);border-radius:999px;padding:5px 13px;white-space:nowrap}

/* ---------- platform cards ---------- */
.plat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.plat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:14px;transition:transform .2s ease-out,box-shadow .2s ease-out}
.plat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.plat-card h3{font-size:19px}
.plat-card p{font-size:14.5px;color:var(--ink-2)}
.plat-card ul li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2);margin-top:8px}
.plat-card ul li::before{content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand-300)}
.plat-card .btn{margin-top:auto}

/* ---------- metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;background:var(--brand-900);border-radius:28px;padding:38px 34px;color:#fff}
.metric{border-left:1px solid rgba(255,255,255,.16);padding-left:20px}
.metric:first-child{border-left:0;padding-left:0}
.metric b{display:block;font-size:34px;font-weight:800;color:var(--lime-400);line-height:1.2}
.metric span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.78)}
.metrics-note{margin-top:22px;font-size:13.5px;color:var(--ink-2)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease-out}
.faq-item.open{border-color:var(--brand-300)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;background:none;border:0;text-align:left;font-size:16.5px;font-weight:600;color:var(--brand-900);cursor:pointer}
.faq-q:hover{color:var(--brand-500)}
.faq-q:focus-visible{outline:2px solid var(--lime-400);outline-offset:-3px}
.faq-caret{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(79,195,161,.18);position:relative;transition:transform .2s ease-out,background .2s ease-out}
.faq-caret::before,.faq-caret::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);border-radius:2px}
.faq-caret::before{width:11px;height:2px;transform:translate(-50%,-50%)}
.faq-caret::after{width:2px;height:11px;transform:translate(-50%,-50%);transition:opacity .2s ease-out}
.faq-item.open .faq-caret{background:var(--lime-400);transform:rotate(180deg)}
.faq-item.open .faq-caret::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out}
.faq-item.open .faq-a{max-height:420px}
.faq-a-inner{margin:0 24px 22px;padding:2px 0 2px 18px;border-left:3px solid var(--brand-300);font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- cross links ---------- */
.cross{background:var(--surface);border:1px solid var(--line);border-radius:26px;padding:32px;box-shadow:var(--shadow-1)}
.cross h2{font-size:21px;margin-bottom:6px}
.cross p{font-size:14.5px;color:var(--ink-2);margin-bottom:22px}
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cross-item{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:16px;padding:16px 18px;transition:transform .18s ease-out,border-color .18s ease-out,background .18s ease-out}
.cross-item:hover{transform:translateY(-3px);border-color:var(--brand-300);background:rgba(79,195,161,.08)}
.cross-item b{display:block;font-size:15.5px;color:var(--brand-900)}
.cross-item em{font-style:normal;font-size:13px;color:var(--ink-2)}
.cross-idx{flex:0 0 auto;width:34px;height:34px;border-radius:12px;display:grid;place-items:center;font-size:13px;font-weight:800;background:rgba(79,195,161,.18);color:var(--brand-700)}

/* ---------- cta band ---------- */
.cta-band{background:var(--grad-brand);border-radius:30px;padding:52px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(23px,2.6vw,31px)}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.85);max-width:600px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:72px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:340px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.site-footer li{margin-bottom:11px;font-size:14px}
.site-footer li a{color:rgba(255,255,255,.74);transition:color .18s ease-out}
.site-footer li a:hover{color:var(--lime-400)}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- mobile bar ---------- */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;align-items:center;justify-content:space-between;gap:14px;padding:12px 18px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(6,35,31,.08);transform:translateY(120%);transition:transform .22s ease-out}
.mobile-bar.show{transform:translateY(0)}
.mobile-bar span{font-size:13.5px;color:var(--ink-2)}
.mobile-bar .btn{padding:11px 20px;font-size:14px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:60px 0 68px}
  .feat-grid{grid-template-columns:1fr 1fr}
  .feat-main{grid-column:span 2;grid-row:auto}
  .steps{grid-template-columns:repeat(2,1fr)}
  .plat-grid{grid-template-columns:1fr 1fr}
  .metrics{grid-template-columns:1fr 1fr;gap:26px;padding:32px 26px}
  .metric:nth-child(3){border-left:0;padding-left:0}
  .cross-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .spec-row{grid-template-columns:1fr 1fr;gap:10px 16px}
  .spec-value{grid-column:1 / -1}
  .spec-tag{justify-self:start;grid-column:1 / -1}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .section{padding:60px 0}
  .nav-sub{display:none}
  .logo-sub,.nav-search,.nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-tabs-row{display:none}
  .site-header.nav-open .nav-tabs-row{display:block}
  .tabs{padding-bottom:14px}
  .hero-inner{padding:48px 0 56px}
  .hero-actions .btn{width:100%}
  .feat-grid{grid-template-columns:1fr}
  .feat-main{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .plat-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr;gap:22px}
  .metric{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.16);padding-top:18px}
  .metric:first-child{border-top:0;padding-top:0}
  .cta-band{padding:34px 24px}
  .cross{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .mobile-bar{display:flex}
  html body{padding-bottom:74px}
}

/* roulang page: category3 */
:root{
  --brand-900:#06231F;
  --brand-700:#0B3B33;
  --brand-500:#12836C;
  --brand-300:#4FC3A1;
  --lime-400:#C6F24E;
  --coral-500:#FF6B4A;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --line:#E3E7DE;
  --ink:#10201C;
  --ink-2:#5A6B66;
  --radius-card:22px;
  --radius-img:18px;
  --shadow-1:0 8px 24px rgba(6,35,31,.06);
  --shadow-2:0 16px 40px rgba(6,35,31,.12);
  --grad-deep:linear-gradient(115deg,#06231F 0%,#12836C 52%,#4FC3A1 100%);
  --grad-btn:linear-gradient(100deg,#FF6B4A,#FF9558);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::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:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
input,button{font-size:inherit;}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;line-height:1;
  padding:14px 26px;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:0 10px 24px rgba(255,107,74,.28);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(255,107,74,.36);color:#fff;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-3px);}
.btn-outline{background:#fff;color:var(--brand-700);border-color:var(--line);border-radius:14px;box-shadow:var(--shadow-1);}
.btn-outline:hover{border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.btn-soft{background:rgba(79,195,161,.16);color:var(--brand-700);border-radius:14px;}
.btn-soft:hover{background:rgba(79,195,161,.28);color:var(--brand-700);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn[disabled]{background:var(--line);color:#98a5a1;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,246,242,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-top{display:flex;align-items:center;gap:18px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.01em;}
.logo:hover{color:var(--brand-700);}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--grad-deep);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:0;
}
.logo-sub{font-size:13px;color:var(--ink-2);padding-left:14px;border-left:1px solid var(--line);}
.nav-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;width:300px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand-300);box-shadow:0 0 0 3px rgba(198,242,78,.55);}
.nav-search svg{width:16px;height:16px;flex:0 0 16px;stroke:var(--ink-2);stroke-width:2;fill:none;stroke-linecap:round;}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink);}
.nav-search input::placeholder{color:#9aa8a3;}
.nav-cta{margin-left:4px;}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;
  border-radius:12px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-tabs-row{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-tabs-row::-webkit-scrollbar{display:none;}
.tabs{display:flex;align-items:center;gap:6px;padding:6px 0 10px;}
.tab{
  position:relative;display:inline-block;flex:0 0 auto;
  padding:8px 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.tab:hover{background:rgba(18,131,108,.08);color:var(--brand-700);}
.tab.active{background:var(--brand-700);color:#fff;}
.tab.active::after{
  content:"";position:absolute;left:16px;bottom:5px;
  width:6px;height:6px;border-radius:50%;background:var(--lime-400);
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--grad-deep);}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.2;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(198,242,78,.28),transparent 62%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:64px 0 76px;max-width:860px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime-400);color:var(--brand-900);
  border-radius:999px;padding:7px 16px;font-size:13px;font-weight:700;
}
.hero h1{margin:20px 0 16px;font-size:46px;color:#fff;}
.hero-lead{font-size:17px;color:rgba(255,255,255,.88);max-width:700px;line-height:1.9;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.hero-stats div{
  background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.24);
  border-radius:16px;padding:14px 22px;min-width:130px;
}
.hero-stats b{display:block;font-size:24px;color:var(--lime-400);font-weight:800;line-height:1.3;}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.8);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:44px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-500);background:rgba(79,195,161,.14);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head h2{font-size:32px;}
.section-head p{margin-top:14px;color:var(--ink-2);}

/* ---------- 公告卡列表 ---------- */
.notice-list{display:grid;gap:16px;}
.notice{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-left:4px solid var(--brand-300);
  border-radius:16px;padding:22px 26px;
  display:flex;gap:20px;align-items:flex-start;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-left-color .2s var(--ease);
}
.notice:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-left-color:var(--brand-500);}
.notice-date{
  flex:0 0 auto;background:rgba(18,131,108,.1);color:var(--brand-700);
  border-radius:10px;padding:8px 12px;font-size:13px;font-weight:700;line-height:1.4;
}
.notice-body h3{font-size:17px;margin-bottom:6px;}
.notice-body p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.notice-tag{
  display:inline-block;margin-top:10px;font-size:12px;font-weight:700;
  color:var(--brand-700);background:rgba(198,242,78,.55);
  border-radius:999px;padding:4px 12px;
}

/* ---------- 排查清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.check-icon{
  width:44px;height:44px;border-radius:14px;background:var(--grad-deep);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.check-icon svg{width:20px;height:20px;stroke:var(--lime-400);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.check-card h3{font-size:19px;margin-bottom:14px;}
.check-card ul li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2);
  line-height:1.8;margin-bottom:10px;
}
.check-card ul li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  border-radius:50%;background:var(--lime-400);
}

/* ---------- 错误代码对照（非对称） ---------- */
.err-layout{display:grid;grid-template-columns:0.85fr 1.15fr;gap:26px;align-items:start;}
.err-visual{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow-1);
}
.err-visual figure{margin:0;aspect-ratio:4/3;overflow:hidden;background:#e8ece5;}
.err-visual img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.err-visual:hover img{transform:scale(1.04);}
.err-visual figcaption{padding:20px 24px 24px;}
.err-visual figcaption h3{font-size:18px;margin-bottom:8px;}
.err-visual figcaption p{font-size:14px;color:var(--ink-2);}
.err-rows{display:grid;gap:12px;}
.err-row{
  display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:16px 20px;transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.err-row:hover{border-color:var(--brand-300);transform:translateX(4px);}
.err-code{
  font-weight:800;font-size:14px;color:var(--coral-500);
  background:rgba(255,107,74,.1);border-radius:10px;text-align:center;padding:8px 6px;
}
.err-row p{font-size:14.5px;color:var(--ink-2);}
.err-row p b{color:var(--ink);font-weight:700;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--line);
  border-radius:18px;overflow:hidden;
  transition:border-left-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.open{border-left-color:var(--brand-500);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--brand-700);}
.faq-mark{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:rgba(18,131,108,.1);position:relative;
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--brand-700);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-mark::before{width:12px;height:2px;}
.faq-mark::after{width:2px;height:12px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.faq-item.open .faq-mark{background:var(--lime-400);}
.faq-item.open .faq-mark::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s var(--ease);}
.faq-a-inner{
  padding:0 24px 24px;color:var(--ink-2);font-size:15px;line-height:1.9;
  border-left:0;
}
.faq-a-inner strong{color:var(--ink);}

/* ---------- 交叉链接条 ---------- */
.cross{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cross-card{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:20px;padding:24px;color:var(--ink);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-300);color:var(--ink);}
.cross-card span{font-size:12px;font-weight:700;color:var(--brand-500);letter-spacing:.06em;}
.cross-card h3{font-size:18px;margin:10px 0 8px;}
.cross-card p{font-size:14px;color:var(--ink-2);}
.cross-card .go{display:inline-block;margin-top:14px;font-size:14px;font-weight:700;color:var(--coral-500);}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;background:var(--grad-deep);
  border-radius:28px;padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:var(--shadow-2);
}
.cta-band::before{
  content:"";position:absolute;right:-80px;bottom:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(198,242,78,.26),transparent 64%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:30px;color:#fff;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.86);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:72px 0 28px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.site-footer ul li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.68);}
.site-footer ul li a{color:rgba(255,255,255,.78);}
.site-footer ul li a:hover{color:var(--lime-400);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 移动端底部下载条 ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 18px;background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(6,35,31,.08);
  transform:translateY(110%);transition:transform .25s var(--ease);
}
.mobile-bar.show{transform:translateY(0);}
.mb-text b{display:block;font-size:14px;}
.mb-text span{font-size:12px;color:var(--ink-2);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero h1{font-size:38px;}
  .err-layout{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-search{width:220px;}
}
@media (max-width:768px){
  .wrap{padding:0 20px;}
  .section{padding:64px 0;}
  .logo-sub{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .hero-inner{padding:44px 0 56px;}
  .hero h1{font-size:32px;}
  .hero-lead{font-size:16px;}
  .section-head h2{font-size:26px;}
  .cta-band{padding:40px 26px;border-radius:22px;}
  .cta-band h2{font-size:24px;}
  .cross{grid-template-columns:1fr;}
  .mobile-bar{display:flex;}
  .site-footer{padding-bottom:96px;}
  .notice{flex-direction:column;gap:12px;}
  .err-row{grid-template-columns:1fr;gap:10px;}
  .err-code{text-align:left;width:fit-content;padding:6px 14px;}
}
@media (max-width:560px){
  .hero h1{font-size:28px;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-stats div{flex:1 1 100%;}
  .faq-q{font-size:15.5px;padding:18px 18px;}
  .faq-a-inner{padding:0 18px 20px;}
  .btn{padding:12px 20px;font-size:14px;}
}