/* roulang page: index */
:root{
  --primary:#1E6FEB;
  --primary-dark:#123A6B;
  --primary-hover:#1A5FCB;
  --accent:#FF8A3D;
  --neon:#42E8E0;
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --sub:#EEF3FA;
  --text:#17233A;
  --muted:#5A6B85;
  --weak:#8C9AAF;
  --line:#E3EAF4;
  --green:#17B26A;
  --nav:#0C1526;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 2px 6px rgba(18,58,107,.06);
  --sh-2:0 8px 24px rgba(18,58,107,.08);
  --sh-3:0 14px 32px rgba(18,58,107,.14);
  --sp-sec:96px;
  --font:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;text-underline-offset:2px;}
a:hover{color:var(--accent);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--primary-dark);line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sec{padding:var(--sp-sec) 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;font-weight:700;color:var(--primary);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--neon),var(--accent));}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head h2{font-size:34px;margin:14px 0 12px;}
.sec-head .lead{color:var(--muted);font-size:16px;}
.grad-line{height:2px;border-radius:2px;background:linear-gradient(90deg,var(--neon),var(--accent));}

/* 顶栏 */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:var(--nav);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,rgba(66,232,224,.85),rgba(255,138,61,.85));
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;letter-spacing:.01em;}
.brand:hover{color:#fff;}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 26px;
  background:linear-gradient(135deg,var(--neon),var(--accent));
  box-shadow:0 0 0 1px rgba(66,232,224,.45),0 0 14px rgba(66,232,224,.35);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:3px;background:var(--nav);
}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu a{
  position:relative;display:block;padding:10px 14px;font-size:15px;color:#C7D3E4;border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--neon),var(--accent));opacity:0;transition:opacity .2s ease;
}
.nav-menu a:hover::after{opacity:.9;}
.nav-menu a.active{color:#fff;text-shadow:0 0 10px rgba(66,232,224,.55);}
.nav-menu a.active::after{opacity:1;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid rgba(255,255,255,.16);background:transparent;color:#C7D3E4;
  transition:.2s ease;
}
.icon-btn:hover{color:#fff;border-color:rgba(66,232,224,.6);box-shadow:0 0 0 1px rgba(66,232,224,.3);}
.btn-neon{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;border-radius:var(--r-btn);border:none;
  background:var(--neon);color:#06202A;font-weight:700;font-size:15px;
  box-shadow:0 0 0 1px rgba(66,232,224,.5),0 6px 18px rgba(66,232,224,.25);
  transition:.2s ease;
}
.btn-neon:hover{background:#6ff3ec;color:#06202A;transform:translateY(-1px);}
.burger{display:none;}
.offcanvas.offcanvas-dark{background:var(--nav);color:#fff;}
.offcanvas-dark .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);}
.offcanvas-dark .oc-link{
  display:flex;align-items:center;gap:12px;height:52px;padding:0 8px;color:#C7D3E4;
  border-left:3px solid transparent;font-size:16px;
}
.offcanvas-dark .oc-link.active{color:#fff;border-left-color:var(--neon);background:rgba(66,232,224,.07);}
.offcanvas-dark .btn-close{filter:invert(1) grayscale(1) brightness(2);}

/* 按钮 */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);border:none;
  background:var(--primary);color:#fff;font-weight:700;font-size:15px;
  box-shadow:var(--sh-1);transition:.2s ease;
}
.btn-main:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(30,111,235,.28);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);color:var(--primary);font-weight:700;font-size:15px;
  transition:.2s ease;
}
.btn-outline:hover{border-color:rgba(30,111,235,.45);background:#F0F6FF;color:var(--primary);}
.btn-main:focus-visible,.btn-outline:focus-visible,.btn-neon:focus-visible,.link-more:focus-visible,.news-card:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.btn-main:active,.btn-outline:active{transform:translateY(0);}
.btn-main[disabled],.btn-outline[disabled]{filter:grayscale(1);opacity:.55;pointer-events:none;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--primary);
  border-bottom:1px solid rgba(30,111,235,.35);padding-bottom:2px;
}
.link-more:hover{color:var(--accent);border-color:rgba(255,138,61,.5);}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:88px 0 76px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(18,58,107,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(18,58,107,.05) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{font-size:48px;line-height:1.15;margin:16px 0 18px;}
.hero .sub{font-size:17px;color:var(--muted);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;padding-top:20px;
  border-top:1px solid var(--line);font-size:14px;color:var(--muted);
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;}
.hero-trust i{color:var(--primary);}
.hero-line{position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,rgba(66,232,224,0),rgba(66,232,224,.9),rgba(255,138,61,.9),rgba(255,138,61,0));}
.hero-media{position:relative;}
.hero-shot{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--sub);
  box-shadow:var(--sh-3);aspect-ratio:16/10;
}
.hero-shot img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;left:-16px;bottom:-26px;width:230px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:16px 18px;
}
.float-card .fc-label{font-size:12px;letter-spacing:.08em;color:var(--weak);font-weight:700;}
.float-card .fc-num{font-size:30px;font-weight:800;color:var(--primary);line-height:1.2;}
.float-card .fc-num small{font-size:13px;font-weight:600;color:var(--muted);margin-left:4px;}
.float-card .fc-desc{font-size:13px;color:var(--muted);}

/* 指标条 */
.metrics{background:#fff;border-bottom:1px solid var(--line);}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.metric{padding:32px 26px;border-left:1px solid var(--line);}
.metric:first-child{border-left:none;}
.metric .m-num{font-size:38px;font-weight:800;color:var(--primary);line-height:1.1;}
.metric .m-num small{font-size:15px;font-weight:700;color:var(--muted);margin-left:6px;}
.metric .m-txt{font-size:13px;color:var(--muted);margin-top:6px;}

/* 价值主张 */
.value-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.value-row+.value-row{margin-top:80px;}
.value-row .v-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3;background:var(--sub);}
.value-row .v-media img{width:100%;height:100%;object-fit:cover;}
.value-row h3{font-size:24px;margin-bottom:14px;}
.value-row p.v-desc{color:var(--muted);margin-bottom:18px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;color:var(--text);font-size:15px;}
.check-list i{color:var(--green);margin-top:6px;font-size:14px;}
.value-row.reverse .v-copy{order:1;}
.value-row.reverse .v-media{order:2;}

/* 功能分组 */
.feature-layout{display:grid;grid-template-columns:2fr 1fr;gap:24px;}
.feature-main{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--primary-dark);color:#fff;
  min-height:400px;display:flex;align-items:flex-end;box-shadow:var(--sh-2);
}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;}
.feature-main .fm-copy{position:relative;padding:36px;max-width:520px;}
.feature-main h3{color:#fff;font-size:24px;margin-bottom:12px;}
.feature-main p{color:#D6E1F1;font-size:15px;}
.feature-main .fm-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag-neon{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;
  background:rgba(66,232,224,.12);color:var(--neon);border:1px solid rgba(66,232,224,.35);
}
.feature-side{display:grid;gap:24px;grid-template-rows:1fr 1fr;}
.feature-mini{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:26px;display:flex;flex-direction:column;justify-content:space-between;
  transition:.25s ease;
}
.feature-mini:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:rgba(30,111,235,.3);}
.feature-mini .fm-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--sub);color:var(--primary);font-size:18px;margin-bottom:16px;
}
.feature-mini h4{font-size:18px;margin-bottom:8px;}
.feature-mini p{font-size:14px;color:var(--muted);}

/* 使用场景 */
.scene-list{display:grid;gap:14px;}
.scene-item{
  display:grid;grid-template-columns:78px 1fr auto;align-items:center;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 26px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.scene-item:hover{transform:translateX(4px);border-color:rgba(30,111,235,.45);box-shadow:var(--sh-2);}
.scene-num{font-size:34px;font-weight:800;color:rgba(30,111,235,.28);line-height:1;}
.scene-item h3{font-size:19px;margin-bottom:6px;}
.scene-item p{font-size:14px;color:var(--muted);}
.scene-arrow{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--sub);color:var(--primary);}
.scene-item:hover .scene-arrow{background:var(--primary);color:#fff;}

/* 案例 */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:.25s ease;
}
.case-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:rgba(30,111,235,.3);}
.case-card.offset{margin-top:36px;}
.case-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--sub);}
.case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.case-card:hover .case-thumb img{transform:scale(1.03);}
.case-body{padding:24px 26px 26px;}
.case-body .c-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#E8F1FE;color:var(--primary);font-size:12px;font-weight:700;
}
.badge-num{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;
}
.case-body h3{font-size:18px;margin-bottom:8px;}
.case-body p{font-size:14px;color:var(--muted);}
.case-client{font-size:13px;color:var(--weak);margin-top:14px;display:flex;align-items:center;gap:8px;}

/* 价格 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.price-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:32px 28px;box-shadow:var(--sh-1);transition:.25s ease;
}
.price-card:hover{box-shadow:var(--sh-2);}
.price-card.featured{border-color:var(--primary);box-shadow:0 14px 32px rgba(30,111,235,.16);transform:translateY(-12px);}
.price-card .p-flag{
  position:absolute;top:-13px;left:28px;height:26px;padding:0 14px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;
}
.price-card h3{font-size:20px;margin-bottom:6px;}
.price-card .p-note{font-size:13px;color:var(--muted);}
.price-card .p-price{font-size:34px;font-weight:800;color:var(--primary-dark);margin:18px 0 4px;}
.price-card .p-price small{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px;}
.price-card .p-unit{font-size:13px;color:var(--weak);margin-bottom:20px;}
.price-list{border-top:1px solid var(--line);padding-top:18px;margin-bottom:24px;}
.price-list li{display:flex;gap:10px;align-items:flex-start;padding:7px 0;font-size:14px;color:var(--text);}
.price-list i{color:var(--green);margin-top:5px;font-size:13px;}
.price-list li.off{color:var(--weak);}
.price-list li.off i{color:#C6CFDD;}
.price-card .btn-main,.price-card .btn-outline{width:100%;}

/* 资讯列表 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);color:inherit;transition:.25s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(30,111,235,.3);color:inherit;}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--sub);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;margin:12px 0 8px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--muted);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:10px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--weak);
}
.news-foot i{color:var(--primary);}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--weak);}
.empty-state p{color:var(--muted);margin:14px 0 20px;}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
.accordion-x .acc-item{border-bottom:1px solid var(--line);}
.accordion-x .acc-item:first-child{border-top:1px solid var(--line);}
.acc-head{
  width:100%;background:none;border:none;text-align:left;padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:16px;font-weight:700;color:var(--primary-dark);
}
.acc-head .acc-ico{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:13px;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.acc-head[aria-expanded="true"] .acc-ico{transform:rotate(180deg);background:var(--primary);border-color:var(--primary);color:#fff;}
.acc-body{padding:0 0 20px;color:var(--muted);font-size:15px;}

/* CTA 条 */
.cta-band{
  background:var(--primary-dark);border-radius:18px;padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--accent));
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-band p{color:#C3D2E6;font-size:15px;}

/* 页脚 */
.site-footer{background:var(--nav);color:#A9B8CC;margin-top:var(--sp-sec);}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:#8FA1B8;max-width:280px;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.14);color:#A9B8CC;transition:.2s ease;
}
.social-row a:hover{color:var(--neon);border-color:rgba(66,232,224,.5);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#A9B8CC;}
.footer-col a:hover{color:var(--neon);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA1B8;
}

@media (max-width:1199.98px){
  .hero h1{font-size:38px;}
  .sec-head h2{font-size:30px;}
  .nav-menu a{padding:10px 10px;font-size:14px;}
}
@media (max-width:991.98px){
  :root{--sp-sec:76px;}
  .nav-menu,.nav-actions .btn-neon{display:none;}
  .burger{display:inline-flex;}
  .hero{padding:64px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:36px;}
  .float-card{left:auto;right:14px;bottom:-20px;width:200px;}
  .metrics-grid{grid-template-columns:1fr 1fr;}
  .metric{border-left:1px solid var(--line);}
  .metric:nth-child(odd){border-left:none;}
  .value-row{grid-template-columns:1fr;gap:32px;}
  .value-row.reverse .v-copy{order:0;}
  .value-row.reverse .v-media{order:0;}
  .feature-layout{grid-template-columns:1fr;}
  .feature-side{grid-template-rows:auto auto;grid-template-columns:1fr 1fr;}
  .case-grid{grid-template-columns:1fr;}
  .case-card.offset{margin-top:0;}
  .price-grid{grid-template-columns:1fr;}
  .price-card.featured{transform:none;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  :root{--sp-sec:56px;}
  body{font-size:15px;}
  .container-x{padding:0 16px;}
  .hero h1{font-size:28px;}
  .hero .sub{font-size:16px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn-main,.hero-cta .btn-outline{width:100%;min-width:160px;}
  .sec-head h2{font-size:24px;}
  .metrics-grid{grid-template-columns:1fr 1fr;}
  .metric{padding:22px 16px;}
  .metric .m-num{font-size:30px;}
  .feature-side{grid-template-columns:1fr;}
  .scene-item{grid-template-columns:56px 1fr;gap:14px;padding:18px;}
  .scene-arrow{display:none;}
  .scene-num{font-size:26px;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:22px;}
  .footer-top{grid-template-columns:1fr;padding:44px 0 32px;}
  .float-card{position:static;width:100%;margin-top:16px;}
}

/* roulang page: article */
:root{
  --primary:#1E6FEB;
  --primary-dark:#1A5FCB;
  --primary-deep:#123A6B;
  --accent:#FF8A3D;
  --neon:#42E8E0;
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --bg-soft:#EEF3FA;
  --text:#17233A;
  --muted:#5A6B85;
  --weak:#8C9AAF;
  --line:#E3EAF4;
  --green:#17B26A;
  --nav-bg:#0C1526;
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-1:0 2px 6px rgba(18,58,107,.06);
  --shadow-2:0 8px 24px rgba(18,58,107,.08);
  --shadow-3:0 14px 32px rgba(18,58,107,.14);
  --font-cn:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--text);line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--nav-bg);
  border-bottom:1px solid rgba(66,232,224,.16);
  transition:box-shadow .25s ease;
}
.site-header::after{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--accent));
  opacity:.85;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(0,0,0,.28);}
.site-header.scrolled .header-inner{height:60px;}
.header-inner{
  display:flex;align-items:center;gap:20px;height:68px;
  transition:height .25s ease;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:19px;font-weight:800;letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-mark{
  width:22px;height:22px;border-radius:7px;flex:none;
  background:linear-gradient(135deg,var(--neon),var(--accent));
  box-shadow:0 0 0 1px rgba(66,232,224,.55),0 0 14px rgba(66,232,224,.45);
}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-menu a{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:10px;
  font-size:15px;color:#C7D3E4;white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--accent));
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;border-radius:2px;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:#fff;text-shadow:0 0 10px rgba(66,232,224,.55);}
.nav-menu a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.icon-btn{
  width:44px;height:44px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid rgba(199,211,228,.24);
  color:#C7D3E4;background:transparent;
}
.icon-btn:hover{color:#fff;border-color:rgba(66,232,224,.6);background:rgba(66,232,224,.08);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  text-align:center;
}
.btn:disabled,.btn.disabled{filter:grayscale(1);opacity:.55;cursor:not-allowed;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--line);}
.btn-ghost:hover{background:var(--bg-soft);color:var(--primary-dark);border-color:#C9DAF5;}
.btn-neon{
  background:var(--neon);color:#062B29;font-weight:700;
  box-shadow:0 0 0 1px rgba(66,232,224,.5),0 8px 20px rgba(66,232,224,.22);
}
.btn-neon:hover{color:#04201F;background:#63F2EC;transform:translateY(-1px);}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px;font-size:14px;}
.drawer-toggle{display:none;}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:1050;
  background:rgba(6,14,28,.6);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:var(--nav-bg);padding:18px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;
  border-left:1px solid rgba(66,232,224,.2);
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;padding:0 14px;
  color:#C7D3E4;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06);
  border-left:3px solid transparent;
}
.drawer-nav a.active{color:#fff;border-left-color:var(--neon);background:rgba(66,232,224,.07);}
.drawer-nav a:hover{color:#fff;}
.drawer-cta{margin-top:20px;width:100%;}

/* ============ 面包屑与文章头 ============ */
.article-head{
  position:relative;
  padding:34px 0 38px;
  background-image:linear-gradient(180deg,rgba(238,243,250,.96),rgba(244,247,252,.98)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--weak);margin-bottom:20px;
}
.breadcrumb-x a{color:var(--weak);}
.breadcrumb-x a:hover{color:var(--primary);}
.breadcrumb-x .sep{color:#C3CEDD;}
.breadcrumb-x .current{color:var(--primary);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:min(420px,60vw);}
.head-topline{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:#E4EEFF;color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-status{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:#E6F8EF;color:var(--green);
  font-size:12px;font-weight:600;
}
.head-eyebrow{font-size:12px;letter-spacing:.12em;color:var(--weak);text-transform:uppercase;}
.article-title{
  font-size:38px;line-height:1.24;max-width:920px;margin-bottom:20px;
  color:var(--primary-deep);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:13.5px;color:var(--muted);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--primary);font-size:13px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#CBD7E6;}

/* ============ 文章主体 ============ */
.article-main{padding:56px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 272px;gap:44px;align-items:start;}
.article-body-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:44px 48px;
}
.article-body{font-size:17px;line-height:1.9;color:var(--text);max-width:820px;margin:0 auto;overflow-wrap:break-word;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{font-size:26px;margin:2em 0 .75em;padding-left:14px;position:relative;}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--neon),var(--primary));
}
.article-body h3{font-size:21px;margin:1.7em 0 .6em;}
.article-body h4{font-size:18px;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.45em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.42em 0;}
.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:var(--bg-soft);border-left:4px solid var(--primary);
  border-radius:0 12px 12px 0;color:var(--muted);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.6em auto;box-shadow:var(--shadow-2);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--weak);text-align:center;margin-top:10px;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:2px;}
.article-body a:hover{color:var(--accent);}
.article-body code{
  background:var(--bg-soft);color:#C2410C;
  padding:2px 6px;border-radius:6px;font-size:.92em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:var(--nav-bg);color:#E4ECF7;padding:20px;border-radius:14px;
  overflow-x:auto;font-size:14.5px;line-height:1.75;margin:1.6em 0;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px;border-radius:12px;overflow:hidden;}
.article-body thead th{background:var(--bg-soft);color:var(--primary-deep);text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);font-weight:700;}
.article-body td{padding:13px 14px;border-bottom:1px solid var(--line);color:var(--muted);}
.article-body tbody tr:nth-child(even) td{background:#FAFCFF;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.empty-state{
  max-width:620px;margin:0 auto;text-align:center;padding:56px 20px;
}
.empty-state .icon-wrap{
  width:64px;height:64px;margin:0 auto 20px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-soft);color:var(--primary);font-size:24px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

.tag-share{
  max-width:820px;margin:40px auto 0;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag-item{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:12px;color:var(--muted);
}
.tag-item:hover{border-color:rgba(30,111,235,.35);color:var(--primary);}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--weak);}
.share-row a{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--muted);background:#fff;
}
.share-row a:hover{color:var(--primary);border-color:rgba(30,111,235,.35);background:var(--bg-soft);}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:20px;
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--primary);font-size:14px;}
.side-list li+li{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);}
.side-item{display:flex;gap:12px;align-items:flex-start;}
.side-thumb{
  width:64px;height:48px;flex:none;border-radius:10px;overflow:hidden;background:linear-gradient(135deg,#D9E6FA,#EEF3FA);
}
.side-thumb img{width:100%;height:100%;object-fit:cover;}
.side-item h4{font-size:14px;font-weight:600;line-height:1.5;margin-bottom:4px;}
.side-item h4 a{color:var(--text);}
.side-item h4 a:hover{color:var(--primary);}
.side-item span{font-size:12px;color:var(--weak);}
.side-note{
  background:linear-gradient(160deg,#0C1526,#152A45);border-radius:var(--radius-card);
  padding:22px;color:#C7D3E4;border:1px solid rgba(66,232,224,.25);
}
.side-note h3{color:#fff;font-size:16px;margin-bottom:10px;}
.side-note p{font-size:13.5px;line-height:1.75;color:#9FB1C7;margin-bottom:16px;}

/* ============ 相关推荐 ============ */
.related-section{padding:0 0 72px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px;}
.section-head h2{font-size:28px;}
.section-head .link-more{font-size:14px;font-weight:600;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.12em;
  color:var(--primary);font-weight:700;margin-bottom:10px;text-transform:uppercase;
}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(30,111,235,.3);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#D9E6FA,#EEF3FA);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.post-body .badge-cat{align-self:flex-start;margin-bottom:12px;}
.post-body h3{font-size:17px;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a{color:var(--text);}
.post-body h3 a:hover{color:var(--primary);}
.post-body p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--weak);padding-top:14px;border-top:1px solid var(--line);
}
.post-foot i{color:var(--primary);}

/* ============ 结尾 CTA ============ */
.cta-band{
  background:linear-gradient(120deg,#0C1526,#152A45);
  border-top:1px solid rgba(66,232,224,.22);
  border-bottom:1px solid rgba(66,232,224,.22);
  padding:52px 0;
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-inner h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-inner p{color:#9FB1C7;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--nav-bg);color:#A9B8CC;padding:56px 0 0;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#8FA2BA;max-width:340px;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row a{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(169,184,204,.25);color:#A9B8CC;
}
.social-row a:hover{color:var(--neon);border-color:rgba(66,232,224,.5);background:rgba(66,232,224,.07);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col li+li{margin-top:10px;}
.footer-col a{color:#A9B8CC;font-size:14px;}
.footer-col a:hover{color:var(--neon);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#7C8DA6;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:32px;}
  .article-title{font-size:34px;}
  .article-body-wrap{padding:38px 34px;}
}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .nav-menu.open{display:flex;}
  .drawer-toggle{display:inline-flex;}
  .header-actions{margin-left:auto;}
  .header-actions .btn{display:none;}
  .article-layout{grid-template-columns:1fr;}
  .article-side{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .article-title{font-size:30px;}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px;}
  .header-inner{height:56px;}
  .brand{font-size:17px;}
  .article-head{padding:26px 0 30px;}
  .article-title{font-size:26px;}
  .article-main{padding:36px 0 52px;}
  .article-body-wrap{padding:26px 20px;border-radius:16px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .article-body table{font-size:14px;display:block;overflow-x:auto;white-space:nowrap;}
  .section-head h2{font-size:23px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .footer-brand p{max-width:none;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .btn{padding:12px 20px;}
}

/* roulang page: category1 */
:root{
  --primary:#1E6FEB;
  --primary-hover:#1A5FCB;
  --primary-deep:#123A6B;
  --accent:#FF8A3D;
  --neon:#42E8E0;
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --sub:#EEF3FA;
  --text:#17233A;
  --muted:#5A6B85;
  --weak:#8C9AAF;
  --line:#E3EAF4;
  --green:#17B26A;
  --nav-bg:#0C1526;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 2px 6px rgba(18,58,107,.06);
  --sh-2:0 8px 24px rgba(18,58,107,.08);
  --sh-3:0 14px 32px rgba(18,58,107,.14);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;color:var(--primary-deep);font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(28px,3.6vw,48px);line-height:1.15}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25}
h3{font-size:clamp(18px,1.7vw,22px);line-height:1.4}
h4{font-size:17px;line-height:1.5;font-weight:700}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:2000}
.skip-link:focus{left:0;color:#fff}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media (min-width:1400px){.container-x{max-width:1240px}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--nav-bg);
  transition:height .28s ease,box-shadow .28s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(66,232,224,.1),var(--neon) 35%,var(--accent) 75%,rgba(255,138,61,.1));
  opacity:.9;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(0,0,0,.28)}
.header-inner{display:flex;align-items:center;gap:26px;height:var(--nav-h);transition:height .28s ease}
.site-header.is-scrolled .header-inner{height:60px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;
}
.brand:hover{color:#fff}
.brand-mark{
  width:16px;height:16px;border-radius:5px;flex:0 0 16px;
  background:linear-gradient(135deg,var(--neon),var(--accent));
  box-shadow:0 0 12px rgba(66,232,224,.55);
}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:10px}
.nav-menu a{
  position:relative;color:#C7D3E4;font-size:15px;font-weight:500;padding:6px 1px;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:transparent;transition:background .22s ease;
}
.nav-menu a:hover{color:#fff}
.nav-menu a:hover::after{background:var(--neon);box-shadow:0 0 10px rgba(66,232,224,.55)}
.nav-menu a.active{color:#fff;text-shadow:0 0 12px rgba(66,232,224,.55)}
.nav-menu a.active::after{background:linear-gradient(90deg,var(--neon),var(--accent));box-shadow:0 0 10px rgba(66,232,224,.6)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  color:#C7D3E4;font-size:15px;cursor:pointer;transition:all .22s ease;
}
.icon-btn:hover{background:rgba(66,232,224,.14);border-color:rgba(66,232,224,.45);color:#fff}
.nav-toggle{display:none}
.nav-drawer{background:#0C1526;color:#C7D3E4;width:300px;border-left:1px solid rgba(66,232,224,.18)}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:16px 20px}
.nav-drawer .brand{font-size:17px}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0}
.drawer-nav a{
  display:flex;align-items:center;height:52px;padding:0 20px;color:#C7D3E4;font-size:15px;
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.drawer-nav a.active{color:#fff;border-left-color:var(--neon);background:rgba(66,232,224,.08);text-shadow:0 0 10px rgba(66,232,224,.4)}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost,.btn-neon,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;padding:14px 26px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;transition:all .24s ease;text-decoration:none;
}
.btn-main{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-main:hover{background:var(--primary-hover);border-color:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(30,111,235,.26)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-main[disabled]{background:#B9C4D4;border-color:#B9C4D4;opacity:.55;cursor:not-allowed}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--primary)}
.btn-ghost:hover{background:var(--sub);border-color:rgba(30,111,235,.35);color:var(--primary-deep);transform:translateY(-1px)}
.btn-neon{background:var(--neon);border-color:rgba(66,232,224,.6);color:#06192b;box-shadow:0 0 0 1px rgba(66,232,224,.22),0 6px 18px rgba(66,232,224,.2)}
.btn-neon:hover{background:#2FD8D0;color:#06192b;box-shadow:0 0 20px rgba(66,232,224,.5)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:#F07A2A;border-color:#F07A2A;color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,138,61,.28)}
.btn-sm{padding:10px 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--primary)}
.link-arrow i{transition:transform .24s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);padding:20px 0 0}
.crumb a{color:var(--weak)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#C3CEE0}
.crumb .current{color:var(--primary);font-weight:600}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-tight{padding:72px 0}
.section-white{background:#fff}
.section-sub{background:var(--sub)}
.section-dark{background:#0C1526}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--primary);
  background:rgba(30,111,235,.08);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--neon),var(--accent))}
.section-head h2{margin-bottom:12px}
.section-head .lead{color:var(--muted);font-size:16px;margin:0}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-dark .lead{color:#A9B8CC}

/* ---------- hero ---------- */
.cat-hero{padding:34px 0 64px;background:linear-gradient(180deg,#FFFFFF 0%,#F4F7FC 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero-copy h1{margin-bottom:16px}
.hero-copy .sub{font-size:17px;color:var(--muted);margin-bottom:26px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-note{display:flex;flex-wrap:wrap;gap:18px;font-size:13.5px;color:var(--weak)}
.hero-note span{display:inline-flex;align-items:center;gap:7px}
.hero-note i{color:var(--neon);filter:drop-shadow(0 0 6px rgba(66,232,224,.6))}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-2);aspect-ratio:16/10;background:#DCE6F5;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,21,38,0) 45%,rgba(12,21,38,.45) 100%);
}
.float-card{
  position:absolute;left:20px;bottom:20px;z-index:2;background:#fff;border-radius:14px;
  padding:14px 18px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:14px;
}
.float-card .num{font-size:26px;font-weight:800;color:var(--primary);line-height:1}
.float-card .txt{font-size:13px;color:var(--muted);line-height:1.4}

/* ---------- stats ---------- */
.stats-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 24px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-size:38px;font-weight:800;color:var(--primary);line-height:1.1;letter-spacing:-.02em}
.stat b .unit{font-size:15px;font-weight:700;margin-left:4px;color:var(--muted)}
.stat span{display:block;font-size:13px;color:var(--weak);margin-top:8px}

/* ---------- capability switcher ---------- */
.cap-layout{display:grid;grid-template-columns:296px 1fr;gap:32px;align-items:start}
.cap-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.cap-list button{
  width:100%;text-align:left;background:transparent;border:1px solid transparent;
  border-left:3px solid transparent;border-radius:10px;padding:14px 16px;
  font-size:15px;font-weight:600;color:var(--muted);cursor:pointer;transition:all .24s ease;
}
.cap-list button:hover{background:var(--sub);color:var(--primary-deep)}
.cap-list button[aria-selected="true"]{
  background:#fff;border-color:var(--line);border-left-color:var(--primary);
  color:var(--primary-deep);box-shadow:var(--sh-1);
}
.cap-list button .idx{font-size:12px;color:var(--weak);margin-right:10px;font-weight:700}
.cap-list button[aria-selected="true"] .idx{color:var(--primary)}
.cap-panel{
  display:grid;grid-template-columns:1fr 1.05fr;gap:30px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:30px;
}
.cap-panel[hidden]{display:none}
.cap-panel.reverse{grid-template-columns:1.05fr 1fr}
.cap-media{border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/10;background:#DCE6F5}
.cap-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.cap-panel:hover .cap-media img{transform:scale(1.03)}
.cap-body h3{margin-bottom:10px}
.cap-body p{color:var(--muted);font-size:15.5px;margin-bottom:16px}
.cap-points{list-style:none;display:flex;flex-direction:column;gap:10px}
.cap-points li{position:relative;padding-left:26px;font-size:15px;color:var(--muted)}
.cap-points li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--green);
  position:absolute;left:0;top:2px;font-size:13px;
}

/* ---------- matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.m-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.m-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(30,111,235,.3)}
.m-ico{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:rgba(30,111,235,.1);color:var(--primary);font-size:19px;margin-bottom:16px;
}
.m-card h4{margin-bottom:8px}
.m-card p{color:var(--muted);font-size:14.5px;margin:0}

/* ---------- check grid ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 18px;box-shadow:var(--sh-1);transition:all .26s ease;
}
.check-item:hover{transform:translateX(4px);border-color:rgba(30,111,235,.3)}
.check-item i{color:var(--green);font-size:15px;margin-top:5px}
.check-item strong{display:block;font-size:15.5px;color:var(--primary-deep);margin-bottom:2px}
.check-item span{font-size:14px;color:var(--muted)}
.check-media{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--sh-2);background:#DCE6F5}
.check-media img{width:100%;height:100%;object-fit:cover}

/* ---------- accordion ---------- */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.faq-aside p{color:var(--muted);font-size:15px;margin-top:12px}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-item:first-child{border-top:1px solid var(--line)}
.accordion-button{
  background:transparent;border:0;box-shadow:none !important;
  font-size:16.5px;font-weight:600;color:var(--primary-deep);
  padding:20px 48px 20px 0;line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--primary);background:transparent}
.accordion-button:hover{color:var(--primary)}
.accordion-button::after{
  content:"+";display:grid;place-items:center;
  width:28px;height:28px;border-radius:8px;background:var(--sub);color:var(--primary);
  font-family:"HarmonyOS Sans","PingFang SC",system-ui,sans-serif;
  font-size:18px;font-weight:700;line-height:1;background-image:none;
  transform:none;right:0;transition:transform .28s ease,background .24s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"\2212";background:rgba(30,111,235,.12);transform:rotate(180deg);
}
.accordion-body{
  background:var(--bg);border-radius:10px;padding:16px 20px;
  color:var(--muted);font-size:15px;margin-bottom:16px;
}

/* ---------- cta band ---------- */
.cta-wrap{padding:0 0 88px}
.cta-band{
  position:relative;overflow:hidden;background:#0C1526;border-radius:var(--r-lg);
  padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--neon),var(--accent));
}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:#A9B8CC;margin:0;font-size:15px}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#0C1526;color:#A9B8CC;padding:64px 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .brand{font-size:18px;margin-bottom:16px}
.footer-brand p{font-size:14px;color:#8FA0B8;line-height:1.8;max-width:340px;margin-bottom:18px}
.social-row{display:flex;gap:10px}
.social-row a{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);color:#A9B8CC;font-size:14px;transition:all .24s ease;
}
.social-row a:hover{background:rgba(66,232,224,.16);color:var(--neon);transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#A9B8CC;font-size:14px}
.footer-col a:hover{color:var(--neon)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#7E8FA6;
}

/* ---------- responsive ---------- */
@media (max-width:1399px){
  .container-x{max-width:1140px}
}
@media (max-width:1199px){
  .nav-menu{gap:18px}
  .nav-menu a{font-size:14.5px}
  .cap-layout{grid-template-columns:250px 1fr}
  .cap-panel,.cap-panel.reverse{grid-template-columns:1fr;gap:22px}
}
@media (max-width:991px){
  :root{--nav-h:56px}
  .nav-menu{display:none}
  .nav-toggle{display:grid}
  .header-actions .btn-neon{padding:10px 16px;font-size:14px}
  .section,.section-tight{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-copy .sub{max-width:none}
  .cap-layout{grid-template-columns:1fr;gap:22px}
  .cap-list{flex-direction:row;overflow-x:auto;padding-bottom:6px;gap:10px}
  .cap-list li{flex:0 0 auto}
  .cap-list button{white-space:nowrap;border-left:1px solid transparent;border-bottom:3px solid transparent}
  .cap-list button[aria-selected="true"]{border-left-color:var(--line);border-bottom-color:var(--primary)}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:1fr;gap:28px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .cta-wrap{padding-bottom:64px}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .section,.section-tight{padding:56px 0}
  h1{font-size:28px}
  .hero-copy .sub{font-size:16px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .matrix{grid-template-columns:1fr;gap:16px}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:22px 16px}
  .stat b{font-size:30px}
  .cap-panel{padding:20px}
  .cta-band{padding:30px 20px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions a{width:100%}
  .footer-top{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:6px}
  .crumb{padding-top:16px}
  .float-card{left:14px;bottom:14px;padding:12px 14px}
}

/* roulang page: category2 */
:root{
  --primary:#1E6FEB;
  --primary-hover:#1A5FCB;
  --primary-dark:#123A6B;
  --accent:#FF8A3D;
  --neon:#42E8E0;
  --green:#17B26A;
  --bg:#F4F7FC;
  --bg-2:#EEF3FA;
  --card:#FFFFFF;
  --text:#17233A;
  --muted:#5A6B85;
  --weak:#8C9AAF;
  --line:#E3EAF4;
  --nav:#0C1526;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 2px 6px rgba(18,58,107,.06);
  --sh-2:0 8px 24px rgba(18,58,107,.08);
  --sh-3:0 14px 32px rgba(18,58,107,.14);
  --sec:88px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--primary-dark);line-height:1.25}
h1{font-size:48px;line-height:1.15;font-weight:800}
h2{font-size:34px;line-height:1.25}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--nav);
  height:68px;
  transition:height .25s ease,box-shadow .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,var(--neon),var(--accent));
  opacity:.85;
}
.site-header.shrink{height:60px;box-shadow:0 8px 24px rgba(0,0,0,.28)}
.header-inner{display:flex;align-items:center;gap:28px;height:100%}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;
}
.brand:hover{color:#fff}
.brand-mark{
  width:14px;height:14px;border-radius:4px;
  background:linear-gradient(135deg,var(--neon),var(--accent));
  box-shadow:0 0 10px rgba(66,232,224,.6);
  flex:none;
}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:68px;
  font-size:15px;color:#C7D3E4;padding:0 2px;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-menu a:hover{color:#fff}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:#fff;text-shadow:0 0 8px rgba(66,232,224,.55)}
.nav-menu a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);color:#C7D3E4;display:inline-flex;
  align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{color:#fff;border-color:rgba(66,232,224,.6);box-shadow:0 0 0 1px rgba(66,232,224,.35)}
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--neon);color:#08202A;font-weight:700;font-size:15px;
  padding:0 20px;height:44px;border-radius:var(--r-btn);border:1px solid rgba(66,232,224,.75);
  box-shadow:0 0 0 1px rgba(66,232,224,.25);transition:all .2s ease;white-space:nowrap;
}
.btn-neon:hover{background:#63f2ea;color:#08202A;transform:translateY(-1px);box-shadow:0 8px 20px rgba(66,232,224,.3)}
.btn-neon:active{transform:translateY(0)}
.menu-toggle{display:none}

/* drawer */
.dark-drawer{background:#0C1526;color:#C7D3E4;width:310px}
.dark-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:18px 20px}
.dark-drawer .brand{font-size:17px}
.dark-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.7}
.drawer-nav{padding:10px 0}
.drawer-nav a{
  display:flex;align-items:center;height:52px;padding:0 20px;
  color:#C7D3E4;font-size:15px;border-left:3px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.04);color:#fff}
.drawer-nav a.active{color:#fff;border-left-color:var(--neon);background:rgba(66,232,224,.08)}
.drawer-foot{padding:18px 20px;border-top:1px solid rgba(255,255,255,.08)}

/* ============ buttons ============ */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;border-radius:var(--r-btn);
  padding:14px 26px;min-height:48px;cursor:pointer;border:1px solid transparent;
  transition:all .22s ease;
}
.btn-main{background:var(--primary);color:#fff;box-shadow:var(--sh-1)}
.btn-main:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--line)}
.btn-ghost:hover{background:#EDF4FF;color:var(--primary-hover);border-color:#C9DDFB}
.btn-main[disabled],.btn-ghost[disabled],.btn-neon[disabled]{background:#D8E0EC;color:#8C9AAF;border-color:#D8E0EC;opacity:.55;box-shadow:none;transform:none;cursor:not-allowed}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--primary)}
.link-more i{transition:transform .25s ease}
.link-more:hover{color:var(--accent)}
.link-more:hover i{transform:translateX(4px)}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0}
.section--tight{padding:76px 0}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.12em;font-weight:700;
  color:var(--primary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";display:inline-block;width:18px;height:2px;background:var(--neon);vertical-align:middle;margin-right:8px}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.grad-line{width:48px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--neon),var(--accent));margin:0 0 18px}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#E7F0FE;color:var(--primary);font-size:12px;font-weight:700;
}
.badge-accent{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;
}
.badge-green{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#E6F7EF;color:var(--green);font-size:12px;font-weight:700;
}

/* ============ 面包屑 ============ */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);padding-top:26px;flex-wrap:wrap}
.crumb a{color:var(--weak)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#C6D0DE}
.crumb .cur{color:var(--primary);font-weight:600}

/* ============ hero ============ */
.cat-hero{
  position:relative;padding:34px 0 78px;
  background:
    linear-gradient(180deg,rgba(244,247,252,.94) 0%,rgba(244,247,252,.86) 46%,rgba(244,247,252,.98) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--neon),var(--accent));opacity:.9;
}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;margin-top:34px}
.cat-hero h1{margin-bottom:20px}
.cat-hero h1 .hl{
  background:linear-gradient(90deg,var(--primary),#3E8CF5);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:18px;color:var(--muted);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--muted);box-shadow:var(--sh-1);
}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-3);aspect-ratio:16/10;background:#DCE6F4;
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;left:22px;bottom:22px;background:#fff;border-radius:var(--r-card);
  padding:14px 18px;box-shadow:var(--sh-2);border:1px solid var(--line);
  display:flex;align-items:center;gap:12px;
}
.float-card .fc-num{font-size:24px;font-weight:800;color:var(--primary);line-height:1}
.float-card .fc-txt{font-size:12px;color:var(--weak)}

/* ============ 场景图文条 ============ */
.scene-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:36px 0;border-bottom:1px dashed var(--line);
}
.scene-row:last-of-type{border-bottom:0}
.scene-row.reverse .scene-media{order:2}
.scene-index{
  font-size:56px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px #B9CDEA;margin-bottom:14px;letter-spacing:-.02em;
}
.scene-media{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;
  box-shadow:var(--sh-2);border:1px solid var(--line);background:#DCE6F4;
}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.scene-media:hover img{transform:scale(1.03)}
.scene-title{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.scene-body p.lead{color:var(--muted);font-size:16px;margin-bottom:18px}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;padding:10px 0;
  font-size:15.5px;color:var(--text);border-bottom:1px solid var(--line);
}
.point-list li:last-child{border-bottom:0}
.point-list i{color:var(--green);margin-top:6px;font-size:14px;flex:none}
.scene-row .link-more{margin-top:20px}

/* ============ 时间轴 ============ */
.flow-wrap{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;margin-top:12px;
}
.tl-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px 24px;box-shadow:var(--sh-1);transition:all .25s ease;
}
.tl-step:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:rgba(30,111,235,.3)}
.tl-step::before{
  content:"";position:absolute;top:44px;right:-22px;width:22px;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--neon));
}
.tl-step:last-child::before{display:none}
.tl-num{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:12px;background:#E7F0FE;color:var(--primary);font-weight:800;font-size:15px;
  margin-bottom:16px;
}
.tl-step h4{margin-bottom:8px}
.tl-step p{font-size:14px;color:var(--muted);line-height:1.75}

/* ============ 指标条 ============ */
.metric-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);overflow:hidden;
}
.metric-item{padding:28px 24px;border-right:1px solid var(--line)}
.metric-item:last-child{border-right:0}
.metric-num{font-size:38px;font-weight:800;color:var(--primary);line-height:1;letter-spacing:-.02em}
.metric-num small{font-size:15px;font-weight:700;margin-left:3px}
.metric-item p{font-size:13px;color:var(--weak);margin-top:10px;line-height:1.7}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.accordion-clean .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.accordion-clean .accordion-item:first-child{border-top:1px solid var(--line)}
.accordion-clean .accordion-button{
  background:transparent;box-shadow:none;border-radius:0;padding:20px 42px 20px 0;
  font-size:16.5px;font-weight:600;color:var(--primary-dark);line-height:1.6;
}
.accordion-clean .accordion-button:not(.collapsed){color:var(--primary)}
.accordion-clean .accordion-button:focus{box-shadow:none;border-color:transparent;outline:0}
.accordion-clean .accordion-button::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;width:auto;height:auto;font-size:13px;color:var(--primary);
  position:absolute;right:6px;transition:transform .25s ease;transform:none;
}
.accordion-clean .accordion-button:not(.collapsed)::after{transform:rotate(180deg);content:"\f068"}
.accordion-clean .accordion-body{
  background:var(--bg);border-radius:12px;padding:16px 18px;font-size:15px;
  color:var(--muted);line-height:1.85;margin-bottom:14px;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--nav);border-radius:var(--r-lg);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--neon),var(--accent));
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px}
.cta-band p{color:#A9B8CC;font-size:15px;max-width:640px}
.cta-band .btn-neon{height:50px;padding:0 28px;font-size:16px}

/* ============ footer ============ */
.site-footer{background:var(--nav);color:#A9B8CC;margin-top:0;padding-top:64px}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;
  padding-bottom:46px;
}
.footer-brand .brand{font-size:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:#8FA0B8;margin-top:16px;max-width:330px}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row a{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);color:#A9B8CC;
  transition:all .22s ease;
}
.social-row a:hover{color:var(--neon);border-color:rgba(66,232,224,.55);box-shadow:0 0 0 1px rgba(66,232,224,.3)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{font-size:14px;color:#A9B8CC}
.footer-col ul a:hover{color:var(--neon)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 26px;font-size:13px;color:#7C8CA5;
}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .container-x{max-width:1140px}
}
@media (max-width:1199px){
  h1{font-size:40px}
  .cat-hero-grid{gap:40px}
  .scene-row{gap:40px}
  .faq-grid{gap:36px}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .tl-step::before{display:none}
}
@media (max-width:991px){
  :root{--sec:72px}
  h1{font-size:36px}
  h2{font-size:28px}
  h3{font-size:20px}
  .nav-menu{display:none}
  .menu-toggle{display:inline-flex}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px}
  .cat-hero{padding:26px 0 62px}
  .hero-sub{font-size:17px}
  .scene-row{grid-template-columns:1fr;gap:26px;padding:30px 0}
  .scene-row.reverse .scene-media{order:0}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .metric-bar{grid-template-columns:repeat(2,1fr)}
  .metric-item:nth-child(2){border-right:0}
  .metric-item:nth-child(1),.metric-item:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band{padding:34px 30px}
  .header-actions .btn-neon{display:none}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container-x{padding:0 16px}
  h1{font-size:28px}
  h2{font-size:24px}
  h3{font-size:18px}
  .sec-head{margin-bottom:30px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .timeline{grid-template-columns:1fr}
  .metric-bar{grid-template-columns:1fr}
  .metric-item{border-right:0;border-bottom:1px solid var(--line)}
  .metric-item:last-child{border-bottom:0}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-band{padding:28px 22px}
  .cta-band .btn-neon{width:100%}
  .scene-index{font-size:44px}
}

/* roulang page: category3 */
:root{
  --primary:#1E6FEB;
  --primary-dark:#1A5FCB;
  --deep:#123A6B;
  --accent:#FF8A3D;
  --neon:#42E8E0;
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --sub-bg:#EEF3FA;
  --text:#17233A;
  --text-2:#5A6B85;
  --text-3:#8C9AAF;
  --line:#E3EAF4;
  --green:#17B26A;
  --nav-bg:#0C1526;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --sh-1:0 2px 6px rgba(18,58,107,.06);
  --sh-2:0 8px 24px rgba(18,58,107,.08);
  --sh-3:0 14px 32px rgba(18,58,107,.14);
  --font:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;text-underline-offset:2px;transition:color .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--deep);line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--nav-bg);
  border-bottom:1px solid rgba(66,232,224,.28);
  transition:padding .25s ease, box-shadow .25s ease;
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,var(--neon),var(--accent));
  opacity:.85;
}
.site-header.shrunk{box-shadow:0 8px 24px rgba(0,0,0,.28)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px;transition:height .25s ease}
.site-header.shrunk .nav-wrap{height:60px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;
}
.brand:hover{color:#fff}
.brand-mark{
  width:22px;height:22px;border-radius:7px;position:relative;flex:none;
  background:linear-gradient(135deg,var(--neon),var(--accent));
  box-shadow:0 0 12px rgba(66,232,224,.55);
}
.brand-mark::after{content:"";position:absolute;inset:6px;border-radius:3px;background:var(--nav-bg)}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-menu a{
  position:relative;display:block;padding:10px 14px;border-radius:8px;
  color:#C7D3E4;font-size:15px;line-height:1.2;white-space:nowrap;transition:color .2s ease,background .2s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--neon),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{
  color:#fff;
  text-shadow:0 0 10px rgba(66,232,224,.65);
  background:rgba(66,232,224,.08);
}
.nav-menu a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn-nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--neon),#2fd0c8);color:#052026;font-size:14px;font-weight:700;
  box-shadow:0 0 0 1px rgba(66,232,224,.5),0 0 16px rgba(66,232,224,.28);
  transition:transform .2s ease, box-shadow .2s ease;
}
.btn-nav-cta:hover{color:#032027;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(66,232,224,.8),0 0 22px rgba(66,232,224,.45)}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:#C7D3E4;transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:#fff;border-color:rgba(66,232,224,.6);background:rgba(66,232,224,.1)}
.nav-toggle{display:none}
.offcanvas.nav-drawer{background:var(--nav-bg);color:#E6EEF9;width:300px}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:18px 20px}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6)}
.drawer-list{padding:10px 0}
.drawer-list a{
  display:flex;align-items:center;height:52px;padding:0 20px;
  color:#C7D3E4;font-size:15px;border-left:3px solid transparent;
}
.drawer-list a:hover{background:rgba(255,255,255,.05);color:#fff}
.drawer-list a.active{color:#fff;border-left-color:var(--neon);background:rgba(66,232,224,.09);text-shadow:0 0 10px rgba(66,232,224,.5)}

/* ============ 通用按钮 ============ */
.btn-primary-x,.btn-ghost-x,.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary-x{background:var(--primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary-x:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary-x:active{transform:translateY(0);background:#17509f}
.btn-ghost-x{background:#fff;color:var(--primary);border-color:var(--line)}
.btn-ghost-x:hover{background:var(--sub-bg);color:var(--primary-dark);border-color:rgba(30,111,235,.35)}
.btn-neon{background:var(--neon);color:#052026;box-shadow:0 0 0 1px rgba(66,232,224,.55),0 0 18px rgba(66,232,224,.3)}
.btn-neon:hover{color:#032027;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(66,232,224,.85),0 0 26px rgba(66,232,224,.45)}
.btn-outline-light-x{background:transparent;color:#E6EEF9;border:1px solid rgba(255,255,255,.35)}
.btn-outline-light-x:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(66,232,224,.7)}
.btn-primary-x[disabled],.btn-ghost-x[disabled]{opacity:.55;filter:grayscale(.6);pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(3px)}

/* ============ Hero ============ */
.hero-cases{
  position:relative;overflow:hidden;background:var(--deep);color:#fff;
  padding:56px 0 64px;
}
.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;
}
.hero-cases::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(9,20,38,.94) 0%,rgba(12,32,60,.86) 48%,rgba(18,58,107,.62) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:860px}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#9FB2CC;margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:#9FB2CC}
.crumb a:hover{color:var(--neon)}
.crumb .cur{color:#fff}
.crumb .sep{color:rgba(255,255,255,.35)}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.12em;font-weight:700;
  color:var(--neon);text-transform:uppercase;margin-bottom:14px;
}
.hero-cases h1{
  color:#fff;font-size:46px;line-height:1.15;font-weight:800;letter-spacing:-.01em;
  text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.hero-sub{max-width:660px;margin-top:18px;font-size:17px;line-height:1.85;color:#C8D6E8}
.hero-line{width:64px;height:3px;border-radius:3px;margin:26px 0;background:linear-gradient(90deg,var(--neon),var(--accent))}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:18px;font-size:13px;color:#8FA6C2}

/* ============ 数据条 ============ */
.stats-strip{margin-top:-40px;position:relative;z-index:5}
.stats-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:10px 0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:22px 24px;text-align:center;position:relative}
.stat-item+.stat-item::before{
  content:"";position:absolute;left:0;top:22%;bottom:22%;width:1px;background:var(--line);
}
.stat-num{font-size:38px;line-height:1.1;font-weight:800;color:var(--primary);letter-spacing:-.02em}
.stat-num small{font-size:16px;font-weight:700;margin-left:2px}
.stat-label{margin-top:8px;font-size:13px;color:var(--text-3)}

/* ============ 板块 ============ */
.section{padding:84px 0}
.section-alt{background:var(--sub-bg)}
.section-head{margin-bottom:40px;max-width:760px}
.section-head h2{font-size:32px;line-height:1.25;margin-top:12px}
.section-head .lead{margin-top:14px;font-size:16px;color:var(--text-2)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.tag-line{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--primary);text-transform:uppercase;
}
.tag-line::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--neon),var(--accent))}

/* ============ 案例卡 ============ */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(30,111,235,.3)}
.case-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7EEF8}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.case-tags{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#E4EEFE;color:var(--primary);font-size:12px;font-weight:700;
}
.badge-result{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;
}
.case-body h3{font-size:20px;line-height:1.35}
.case-body p{font-size:15px;color:var(--text-2)}
.case-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-3)}

/* ============ 复盘要点 ============ */
.point-list{display:grid;gap:0;border-top:1px solid var(--line)}
.point-row{
  display:grid;grid-template-columns:88px 1fr 240px;gap:24px;align-items:center;
  padding:26px 18px;border-bottom:1px solid var(--line);
  background:transparent;transition:background .25s ease,transform .25s ease,border-color .25s ease;
}
.point-row:hover{background:#fff;transform:translateX(4px);border-color:rgba(30,111,235,.3)}
.point-num{font-size:32px;font-weight:800;color:rgba(30,111,235,.28);letter-spacing:-.02em}
.point-row h3{font-size:19px;margin-bottom:6px}
.point-row p{font-size:15px;color:var(--text-2)}
.point-meta{font-size:13px;color:var(--text-3);text-align:right}

/* ============ 见证卡 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 32px 28px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.quote-card::before{
  content:"\201C";position:absolute;top:8px;left:24px;
  font-size:64px;line-height:1;font-weight:800;color:rgba(30,111,235,.16);
}
.quote-card blockquote{margin:0 0 20px;font-size:17px;line-height:1.85;color:var(--text)}
.quote-sign{display:flex;align-items:center;gap:12px}
.quote-avatar{
  width:42px;height:42px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--primary),#4A90FF);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.quote-sign strong{display:block;font-size:15px;color:var(--deep)}
.quote-sign span{font-size:13px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.faq-layout .section-head{margin-bottom:0}
.acc-x .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;
}
.acc-x .accordion-item:first-child{border-top:1px solid var(--line)}
.acc-x .accordion-button{
  background:transparent;color:var(--deep);font-size:16.5px;font-weight:600;
  padding:20px 44px 20px 0;box-shadow:none;border:0;border-radius:0;
}
.acc-x .accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none}
.acc-x .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px}
.acc-x .accordion-button::after{
  content:"\002B";background-image:none;font-size:20px;font-weight:600;line-height:1;
  width:auto;height:auto;transform:none;color:var(--primary);
  position:absolute;right:6px;
}
.acc-x .accordion-button:not(.collapsed)::after{content:"\2212";transform:none;color:var(--accent)}
.acc-x .accordion-body{padding:0 0 22px;background:transparent;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ CTA 条 ============ */
.cta-band{background:var(--nav-bg);color:#fff;padding:52px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--accent));
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:26px}
.cta-inner p{margin-top:8px;font-size:15px;color:#A9B8CC;max-width:620px}

/* ============ 页脚 ============ */
.site-footer{background:var(--nav-bg);color:#A9B8CC;padding:64px 0 0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .brand{font-size:17px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:#8FA0B8;max-width:320px}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;background:rgba(255,255,255,.06);color:#A9B8CC;
  transition:color .2s ease,background .2s ease;
}
.social-row a:hover{color:var(--neon);background:rgba(66,232,224,.12)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{color:#A9B8CC;font-size:14px}
.footer-col a:hover{color:var(--neon)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E90A8;
}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .container-x{max-width:1240px}
}
@media (max-width:1199px){
  .nav-menu{gap:2px}
  .nav-menu a{padding:10px 10px;font-size:14px}
  .hero-cases h1{font-size:40px}
  .point-row{grid-template-columns:72px 1fr 200px}
}
@media (max-width:1024px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-nav-cta{display:none}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .hero-cases{padding:44px 0 56px}
  .hero-cases h1{font-size:34px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(3)::before,.stat-item:nth-child(1)::before{display:none}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-top:1px solid var(--line)}
  .case-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .section-head h2{font-size:27px}
}
@media (max-width:767px){
  .container-x{padding-left:16px;padding-right:16px}
  .nav-wrap{height:56px;gap:12px}
  .brand{font-size:16px}
  .hero-cases h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn-primary-x,.hero-actions .btn-outline-light-x{width:100%;min-width:160px}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .stat-num{font-size:30px}
  .point-row{grid-template-columns:52px 1fr;gap:14px;padding:20px 12px}
  .point-meta{grid-column:2;text-align:left}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn-neon{width:100%}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:1fr}
  .stat-item+.stat-item::before{display:none}
  .stat-item+.stat-item{border-top:1px solid var(--line)}
  .case-body{padding:18px 18px 20px}
}

/* roulang page: category4 */
:root{
  --primary:#1E6FEB;
  --primary-dark:#1A5FCB;
  --primary-deep:#123A6B;
  --accent:#FF8A3D;
  --neon:#42E8E0;
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --sub:#EEF3FA;
  --text:#17233A;
  --muted:#5A6B85;
  --weak:#8C9AAF;
  --line:#E3EAF4;
  --green:#17B26A;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 2px 6px rgba(18,58,107,.06);
  --sh-2:0 8px 24px rgba(18,58,107,.08);
  --sh-3:0 14px 32px rgba(18,58,107,.14);
  --nav-h:68px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;text-underline-offset:2px;transition:color .2s ease;}
a:hover{color:var(--accent);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,h5{margin:0;color:var(--primary-deep);font-weight:700;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  .container-x{max-width:1240px;}
}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#0C1526;
  transition:box-shadow .25s ease;
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,var(--neon),var(--accent));
  opacity:.85;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(0,0,0,.28);}
.site-header.scrolled .nav-wrap{height:60px;}
.nav-wrap{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:24px;
  transition:height .25s ease;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-mark{
  width:14px;
  height:14px;
  border-radius:4px;
  background:linear-gradient(135deg,var(--neon),var(--accent));
  box-shadow:0 0 10px rgba(66,232,224,.6);
  flex:0 0 auto;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:12px;
}
.nav-menu a{
  position:relative;
  color:#C7D3E4;
  font-size:15px;
  padding:8px 0;
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--neon);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
  border-radius:2px;
}
.nav-menu a:hover{color:#fff;}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{
  color:#fff;
  text-shadow:0 0 10px rgba(66,232,224,.55);
}
.nav-menu a.active::after{
  transform:scaleX(1);
  background:linear-gradient(90deg,var(--neon),var(--accent));
  box-shadow:0 0 8px rgba(66,232,224,.6);
}
.nav-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.icon-btn{
  width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid rgba(199,211,228,.28);
  background:transparent;
  color:#C7D3E4;
  font-size:16px;
  transition:all .2s ease;
}
.icon-btn:hover{color:#fff;border-color:var(--neon);box-shadow:0 0 0 3px rgba(66,232,224,.14);}
.btn-neon{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  background:var(--neon);
  color:#05202A;
  font-size:15px;
  font-weight:700;
  border:1px solid rgba(66,232,224,.55);
  box-shadow:0 0 0 1px rgba(66,232,224,.35),0 8px 20px rgba(66,232,224,.18);
  transition:all .2s ease;
  white-space:nowrap;
}
.btn-neon:hover{background:#63f1ea;color:#05202A;transform:translateY(-1px);}
.btn-neon:active{transform:translateY(0);}
.mobile-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-btn);
  border:1px solid rgba(199,211,228,.28);
  background:transparent;
  color:#fff;
  font-size:18px;
  align-items:center;
  justify-content:center;
}

/* offcanvas drawer */
.offcanvas.dark-drawer{
  background:#0C1526;
  color:#C7D3E4;
  width:300px;
}
.dark-drawer .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:18px 20px;
}
.dark-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);}
.drawer-list a{
  display:flex;
  align-items:center;
  height:52px;
  padding:0 20px;
  color:#C7D3E4;
  font-size:16px;
  border-left:3px solid transparent;
  transition:all .2s ease;
}
.drawer-list a:hover{background:rgba(66,232,224,.07);color:#fff;}
.drawer-list a.active{
  color:#fff;
  border-left-color:var(--neon);
  background:rgba(66,232,224,.1);
}
.drawer-cta{padding:20px;}

/* ============ Hero ============ */
.hero-cat{
  position:relative;
  background:var(--card);
  border-bottom:1px solid var(--line);
  padding:56px 0 64px;
  overflow:hidden;
}
.hero-cat::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(18,58,107,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(18,58,107,.045) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.7;
  pointer-events:none;
}
.hero-cat .container-x{position:relative;z-index:1;}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.crumb{
  font-size:13px;
  color:var(--weak);
  margin-bottom:20px;
}
.crumb a{color:var(--weak);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{margin:0 6px;}
.crumb .now{color:var(--primary);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--primary);
  font-weight:700;
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:48px;
  height:2px;
  background:linear-gradient(90deg,var(--neon),var(--accent));
  border-radius:2px;
}
.hero-cat h1{
  font-size:44px;
  line-height:1.18;
  font-weight:800;
  margin-bottom:16px;
}
.hero-cat h1 em{
  font-style:normal;
  color:var(--primary);
}
.hero-sub{
  font-size:17px;
  color:var(--muted);
  max-width:560px;
  margin-bottom:26px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:20px;
}
.btn-primary-x{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-btn);
  background:var(--primary);
  color:#fff;
  font-size:16px;
  font-weight:700;
  border:1px solid var(--primary);
  box-shadow:var(--sh-1);
  transition:all .2s ease;
}
.btn-primary-x:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary-x:active{transform:translateY(0);}
.btn-ghost-x{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--primary);
  font-size:16px;
  font-weight:700;
  border:1px solid var(--line);
  transition:all .2s ease;
}
.btn-ghost-x:hover{background:var(--sub);color:var(--primary-dark);border-color:rgba(30,111,235,.35);transform:translateY(-1px);}
.trust-line{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  font-size:14px;
  color:var(--muted);
}
.trust-line i{color:var(--green);margin-right:6px;}
.hero-visual{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:16/10;
  background:linear-gradient(135deg,#DCE7F7,#EFF4FB);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-chip{
  position:absolute;
  left:20px;
  bottom:20px;
  background:#fff;
  border-radius:12px;
  padding:12px 16px;
  box-shadow:var(--sh-2);
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  gap:12px;
}
.hero-chip .num{font-size:22px;font-weight:800;color:var(--primary);line-height:1;}
.hero-chip .txt{font-size:12px;color:var(--muted);line-height:1.4;}

/* ============ Sections ============ */
.section{padding:84px 0;}
.section.tight{padding:72px 0;}
.section.alt{background:var(--sub);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:34px;
  line-height:1.25;
  margin-bottom:12px;
}
.section-head .lead{
  font-size:16px;
  color:var(--muted);
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ Price table ============ */
.table-shell{
  background:#fff;
  border:1px solid rgba(30,111,235,.22);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  overflow:hidden;
}
.table-scroll{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
table.price-table{
  width:100%;
  min-width:840px;
  border-collapse:collapse;
  font-size:15px;
}
table.price-table thead th{
  position:sticky;
  top:0;
  z-index:2;
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:22px 20px 20px;
  text-align:left;
  vertical-align:bottom;
}
table.price-table thead th:first-child{
  width:26%;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--weak);
  font-weight:700;
}
.plan-head .plan-name{
  font-size:19px;
  font-weight:800;
  color:var(--primary-deep);
  display:block;
  margin-bottom:6px;
}
.plan-head .plan-price{
  font-size:26px;
  font-weight:800;
  color:var(--primary);
  line-height:1.1;
}
.plan-head .plan-price small{
  font-size:13px;
  font-weight:600;
  color:var(--muted);
  margin-left:2px;
}
.plan-head .plan-note{
  display:block;
  font-size:12px;
  color:var(--weak);
  margin-top:6px;
}
.plan-head .plan-badge{
  display:inline-block;
  margin-bottom:10px;
  padding:3px 10px;
  border-radius:999px;
  background:var(--accent);
  color:#fff;
  font-size:11px;
  font-weight:700;
  letter-spacing:.04em;
}
th.col-recommend{background:linear-gradient(180deg,rgba(30,111,235,.06),#fff);}
table.price-table tbody th,
table.price-table tbody td{
  padding:14px 20px;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
table.price-table tbody tr:last-child th,
table.price-table tbody tr:last-child td{border-bottom:0;}
table.price-table tbody th{
  font-weight:600;
  color:var(--text);
  font-size:15px;
}
table.price-table tbody td{color:var(--muted);font-size:14px;}
table.price-table tbody tr:hover td,
table.price-table tbody tr:hover th{background:#FAFCFF;}
tr.row-group th{
  background:var(--sub);
  font-size:13px !important;
  font-weight:700 !important;
  letter-spacing:.06em;
  color:var(--primary-deep) !important;
  padding:10px 20px !important;
  border-bottom:1px solid var(--line);
}
.cell-yes{color:var(--green) !important;font-weight:600;}
.cell-yes i{margin-right:6px;}
.cell-no{color:var(--weak) !important;}
.cell-no .dash{
  display:inline-block;
  width:16px;
  height:1px;
  background:var(--line);
  vertical-align:middle;
  margin-right:6px;
}
td.col-recommend{background:rgba(30,111,235,.035);}
.table-foot{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  align-items:center;
  justify-content:space-between;
  padding:22px 24px;
  background:var(--sub);
  border-top:1px solid var(--line);
}
.table-foot p{font-size:14px;color:var(--muted);}
.table-foot .actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-sm-x{
  padding:11px 20px;
  font-size:14px;
  border-radius:var(--r-btn);
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:8px;
}

/* ============ Guarantee grid ============ */
.g-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.g-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.g-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(30,111,235,.3);}
.g-icon{
  width:46px;
  height:46px;
  border-radius:12px;
  background:var(--sub);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  margin-bottom:16px;
}
.g-card h4{font-size:18px;margin-bottom:10px;}
.g-card p{font-size:14.5px;color:var(--muted);}
.g-meta{
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--weak);
}
.g-meta strong{color:var(--primary);font-weight:800;}

/* ============ Steps / guide ============ */
.guide-wrap{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:48px;
  align-items:start;
}
.guide-list{display:grid;gap:16px;}
.guide-item{
  display:flex;
  gap:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--sh-1);
  transition:border-color .25s ease,transform .25s ease;
}
.guide-item:hover{border-color:rgba(30,111,235,.35);transform:translateX(4px);}
.guide-no{
  font-size:26px;
  font-weight:800;
  color:var(--primary);
  line-height:1;
  min-width:44px;
  opacity:.85;
}
.guide-item h4{font-size:17px;margin-bottom:6px;}
.guide-item p{font-size:14.5px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-wrap{
  display:grid;
  grid-template-columns:.75fr 1.25fr;
  gap:48px;
  align-items:start;
}
.faq-side h2{font-size:32px;margin-bottom:14px;}
.faq-side p{color:var(--muted);font-size:15.5px;margin-bottom:20px;}
.faq-side .mini-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-1);
  font-size:14.5px;
  color:var(--muted);
}
.faq-side .mini-card strong{display:block;color:var(--primary-deep);margin-bottom:6px;font-size:15px;}

.accordion-x .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  border-radius:0;
}
.accordion-x .accordion-item:first-of-type{border-top:1px solid var(--line);}
.accordion-x .accordion-button{
  background:transparent;
  border:0;
  box-shadow:none;
  padding:20px 44px 20px 0;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  line-height:1.5;
  display:flex;
  align-items:center;
}
.accordion-x .accordion-button:not(.collapsed){
  color:var(--primary);
  background:transparent;
  box-shadow:none;
}
.accordion-x .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px;}
.accordion-x .accordion-button::after{
  content:"+";
  background-image:none !important;
  width:26px;
  height:26px;
  font-size:20px;
  line-height:1;
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  transform:none;
  transition:transform .3s ease,color .2s ease;
  right:0;
}
.accordion-x .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:rotate(180deg);
  color:var(--accent);
}
.accordion-x .accordion-body{
  background:var(--bg);
  border-radius:12px;
  padding:16px 18px;
  font-size:15px;
  color:var(--muted);
  margin-bottom:18px;
}

/* ============ CTA bar ============ */
.cta-bar{
  background:#0C1526;
  border-radius:var(--r-lg);
  padding:44px 40px;
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  align-items:center;
  justify-content:space-between;
  box-shadow:0 0 0 1px rgba(66,232,224,.3),var(--sh-3);
}
.cta-bar h2{
  color:#fff;
  font-size:26px;
  margin-bottom:8px;
}
.cta-bar p{color:#A9B8CC;font-size:15px;max-width:620px;}

/* ============ Footer ============ */
.site-footer{
  background:#0C1526;
  color:#A9B8CC;
  margin-top:56px;
  padding:64px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{font-size:18px;margin-bottom:16px;}
.footer-brand p{font-size:14px;color:#8FA1B8;max-width:320px;line-height:1.8;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row a{
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.12);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#A9B8CC;
  transition:all .2s ease;
}
.social-row a:hover{color:var(--neon);border-color:var(--neon);box-shadow:0 0 0 3px rgba(66,232,224,.12);}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:#A9B8CC;font-size:14px;}
.footer-col ul li a:hover{color:var(--neon);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:#7E90A8;
}
.footer-acc-btn{display:none;}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .g-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:991px){
  .nav-menu{display:none;}
  .mobile-toggle{display:inline-flex;}
  .nav-actions .btn-neon{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-cat h1{font-size:36px;}
  .hero-cat{padding:44px 0 52px;}
  .section{padding:68px 0;}
  .section-head h2{font-size:28px;}
  .guide-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-bar{padding:36px 28px;}
  .cta-bar h2{font-size:23px;}
}
@media (max-width:767px){
  .container-x{padding:0 16px;}
  .hero-cat h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .btn-primary-x,.btn-ghost-x{width:100%;justify-content:center;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:24px;}
  .g-grid{grid-template-columns:1fr;gap:16px;}
  .faq-side h2{font-size:24px;}
  .cta-bar{padding:30px 22px;border-radius:var(--r-card);}
  .footer-top{grid-template-columns:1fr;gap:0;padding-bottom:24px;}
  .footer-brand{padding-bottom:24px;}
  .footer-col{border-top:1px solid rgba(255,255,255,.08);}
  .footer-acc-btn{
    display:flex;
    width:100%;
    align-items:center;
    justify-content:space-between;
    background:transparent;
    border:0;
    color:#fff;
    font-size:15px;
    font-weight:700;
    padding:16px 0;
  }
  .footer-col ul{display:none;padding-bottom:14px;}
  .footer-col.open ul{display:block;}
  .footer-acc-btn i{transition:transform .25s ease;color:var(--neon);}
  .footer-col.open .footer-acc-btn i{transform:rotate(180deg);}
  .footer-col h4{display:none;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .hero-cat h1{font-size:26px;}
  .plan-head .plan-price{font-size:22px;}
  .table-foot{padding:18px;}
  .table-foot .actions{width:100%;}
  .table-foot .actions .btn-sm-x{width:100%;justify-content:center;}
}