/* roulang page: index */
:root{
  --c-primary:#1560BD;
  --c-primary-dark:#0C3E7E;
  --c-primary-light:#E9F1FC;
  --c-neon:#00E0B8;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#22313F;
  --muted:#64748B;
  --placeholder:#9AA7B4;
  --star:#F5A623;
  --nav-a:#0B1620;
  --nav-b:#122234;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-sm:0 8px 24px rgba(12,62,126,.08);
  --shadow-lg:0 16px 40px rgba(12,62,126,.14);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --t:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p{margin:0;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

.container,.grid-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){
  .container,.grid-container{max-width:1280px;}
}

/* ---------- 公告条 ---------- */
.topbar{
  background:var(--nav-a);
  color:#B9CBDD;
  font-size:13px;
  height:36px;
  display:flex;
  align-items:center;
}
.topbar .container{display:flex;align-items:center;gap:10px;}
.topbar .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--c-neon);
  box-shadow:0 0 10px rgba(0,224,184,.7);
  flex:0 0 auto;
}
.topbar a{color:#E8FFFA;}
.topbar a:hover{color:#fff;}
.topbar .close{
  margin-left:auto;color:#7E93A8;font-size:16px;line-height:1;
  padding:6px 8px;border-radius:6px;transition:color var(--t),background var(--t);
}
.topbar .close:hover{color:#fff;background:rgba(255,255,255,.08);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,var(--nav-a) 0%,var(--nav-b) 100%);
}
.site-header::after{
  content:"";display:block;height:1px;width:100%;
  background:linear-gradient(90deg,var(--c-neon) 0%,rgba(0,224,184,.15) 45%,transparent 100%);
}
.nav-wrap{
  height:68px;
  display:flex;align-items:center;gap:24px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:500;letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand .brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--c-neon),#0FA6C8);
  color:#06231F;font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand b{font-weight:800;}
.brand .neon{color:var(--c-neon);}
.nav-menu{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;
}
.nav-menu > li{position:relative;}
.nav-menu a.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  height:68px;padding:0 14px;
  color:#C7D6E4;font-size:15px;font-weight:500;
  border-bottom:2px solid transparent;
  transition:color var(--t),border-color var(--t),background var(--t);
}
.nav-menu a.nav-link:hover{color:#E8FFFA;border-bottom-color:rgba(0,224,184,.45);}
.nav-menu li.is-active a.nav-link{
  color:#E8FFFA;border-bottom-color:var(--c-neon);
  box-shadow:0 6px 12px -6px rgba(0,224,184,.75);
}
.nav-menu .caret{font-size:10px;color:#7E93A8;}
.dropdown{
  position:absolute;top:100%;left:0;min-width:196px;
  background:#0E1D2C;border:1px solid rgba(255,255,255,.08);
  border-radius:12px;padding:8px;box-shadow:0 18px 40px rgba(0,0,0,.35);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.nav-menu li:hover .dropdown,
.nav-menu li:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(4px);}
.dropdown a{
  display:block;padding:10px 12px;border-radius:8px;
  color:#C7D6E4;font-size:14px;line-height:1.5;
}
.dropdown a:hover{background:rgba(0,224,184,.1);color:#E8FFFA;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--radius-btn);
  background:var(--c-neon);color:#06231F;font-weight:700;font-size:14px;
  transition:box-shadow var(--t),transform var(--t),background var(--t);
  white-space:nowrap;
}
.nav-cta:hover{background:#2BF0CC;color:#06231F;transform:translateY(-1px);box-shadow:0 0 18px rgba(0,224,184,.55);}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:10px;
  color:#E8FFFA;font-size:20px;
  align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.14);
}
.drawer{
  position:fixed;inset:0;z-index:90;
  background:linear-gradient(180deg,#0B1620,#122234);
  transform:translateX(100%);
  transition:transform 220ms ease;
  padding:20px 20px 40px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .brand{font-size:17px;}
.drawer-close{width:44px;height:44px;border-radius:10px;color:#E8FFFA;font-size:20px;border:1px solid rgba(255,255,255,.14);}
.drawer-menu a{
  display:flex;align-items:center;
  min-height:52px;padding:0 14px;
  color:#C7D6E4;font-size:16px;
  border-left:3px solid transparent;
}
.drawer-menu a:hover{color:#E8FFFA;}
.drawer-menu li.is-active a{border-left-color:var(--c-neon);color:#E8FFFA;background:rgba(0,224,184,.07);}
.drawer .nav-cta{width:100%;height:48px;margin-top:20px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#FFFFFF 0%,#EAF2FC 100%);
  padding:72px 0 80px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(21,96,189,.06) 0 1px,transparent 1px 22px);
  opacity:.7;pointer-events:none;
}
.hero .container{position:relative;}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.hero-copy{max-width:560px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font-size:13px;font-weight:600;color:var(--c-primary-dark);
  letter-spacing:.02em;box-shadow:var(--shadow-sm);
}
.hero-eyebrow i{color:var(--c-neon);}
.hero h1{
  margin-top:20px;
  font-size:clamp(30px,4.4vw,46px);
  font-weight:800;line-height:1.2;letter-spacing:-.02em;
  color:#10243A;
}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{
  margin-top:16px;font-size:17px;color:var(--muted);line-height:1.8;max-width:38ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:7px 14px;font-size:13px;font-weight:600;color:var(--c-primary-dark);
}
.badge-pill i{color:var(--c-primary);}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:20px;box-shadow:var(--shadow-lg);
}
.float-card{
  position:absolute;right:-8px;bottom:-18px;
  background:#fff;border-radius:14px;padding:14px 18px;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
  display:flex;gap:18px;align-items:center;
}
.float-card .fc-item{text-align:left;}
.float-card .fc-k{font-size:12px;color:var(--muted);}
.float-card .fc-v{font-size:15px;font-weight:700;color:var(--c-primary-dark);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  border:1px solid transparent;
  text-align:center;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(21,96,189,.24);}
.btn-primary:hover{background:#12549F;color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(21,96,189,.28);}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.btn:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}
.btn-block{width:100%;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-eyebrow{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);
  display:inline-flex;align-items:center;gap:8px;
}
.section-eyebrow::before{content:"";width:22px;height:2px;background:var(--c-neon);border-radius:2px;}
.section h2{
  margin-top:12px;
  font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:#10243A;
}
.section-lead{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- 价值交错区块 ---------- */
.value-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:36px 0;
}
.value-row + .value-row{border-top:1px solid var(--line);}
.value-row.reverse .value-media{order:2;}
.value-num{
  font-size:60px;font-weight:800;line-height:1;
  color:rgba(21,96,189,.14);letter-spacing:-.03em;
}
.value-row h3{margin-top:8px;font-size:20px;font-weight:700;color:#10243A;}
.value-row p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.85;}
.value-list{margin-top:16px;display:grid;gap:10px;}
.value-list li{display:flex;gap:10px;font-size:15px;color:#31465C;line-height:1.7;}
.value-list i{color:var(--c-primary);margin-top:6px;font-size:12px;flex:0 0 auto;}
.value-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);
  box-shadow:var(--shadow-sm);
}

/* ---------- 轮播 ---------- */
.shot-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 20px;
  scrollbar-width:thin;
}
.shot-track::-webkit-scrollbar{height:6px;}
.shot-track::-webkit-scrollbar-thumb{background:#CBD8E6;border-radius:999px;}
.shot{
  flex:0 0 calc((100% - 40px)/3);
  scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t),opacity var(--t);
}
.shot:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.shot figcaption{padding:14px 18px;font-size:14px;color:var(--muted);}
.shot-nav{display:flex;align-items:center;gap:12px;margin-top:8px;flex-wrap:wrap;}
.arrow-btn{
  width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);
  color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.arrow-btn:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);transform:translateY(-2px);}
.thumbs{display:flex;gap:8px;margin-left:auto;flex-wrap:wrap;}
.thumb{
  width:64px;height:40px;border-radius:8px;overflow:hidden;border:1px solid var(--line);
  padding:0;transition:border-color var(--t),transform var(--t);
}
.thumb img{width:100%;height:100%;object-fit:cover;}
.thumb:hover{transform:translateY(-2px);}
.thumb.is-active{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(21,96,189,.15);}

/* ---------- 系统要求 ---------- */
.req-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.req-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
}
.req-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--c-primary);}
.req-card h3{font-size:19px;font-weight:700;color:#10243A;display:flex;align-items:center;gap:10px;}
.req-card h3 i{color:var(--c-primary);}
.req-list{margin-top:18px;}
.req-list li{
  display:flex;justify-content:space-between;gap:16px;align-items:center;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;
}
.req-list li:last-child{border-bottom:0;}
.req-list .k{color:var(--muted);}
.req-list .v{font-weight:600;color:#10243A;text-align:right;}
.req-list .v i{color:var(--c-primary);margin-right:6px;font-size:12px;}
.req-note{margin-top:18px;font-size:13.5px;color:var(--placeholder);}

/* ---------- 评价墙 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t);
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.review-card.featured{background:var(--c-primary-light);border-color:#CFE0F5;}
.review-stars{color:var(--star);font-size:14px;letter-spacing:2px;}
.review-text{margin-top:12px;font-size:15px;line-height:1.75;color:#31465C;}
.review-meta{margin-top:16px;display:flex;align-items:center;gap:10px;}
.review-avatar{
  width:40px;height:40px;border-radius:50%;object-fit:cover;flex:0 0 auto;border:1px solid var(--line);
}
.review-name{font-size:14px;font-weight:700;color:#10243A;line-height:1.4;}
.review-device{font-size:12.5px;color:var(--muted);font-weight:400;}
.review-date{font-size:12.5px;color:var(--placeholder);margin-left:auto;}

/* ---------- 下载 CTA ---------- */
.cta-box{
  background:#fff;border:1px solid rgba(21,96,189,.2);
  border-radius:20px;padding:40px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.cta-box::after{
  content:"";position:absolute;inset:8px;border-radius:14px;
  border:1px dashed rgba(0,224,184,.5);pointer-events:none;
}
.cta-grid{display:grid;grid-template-columns:1fr 200px;gap:40px;align-items:center;position:relative;z-index:1;}
.cta-box h2{font-size:clamp(22px,2.6vw,30px);color:#10243A;}
.cta-box p{margin-top:12px;color:var(--muted);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.qr{
  width:160px;height:160px;background:#fff;border:1px solid var(--line);border-radius:14px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--c-primary-dark);font-size:13px;box-shadow:var(--shadow-sm);margin:0 auto;
}
.qr i{font-size:52px;color:var(--c-primary);}
.cta-note{margin-top:20px;font-size:13.5px;color:var(--placeholder);position:relative;z-index:1;}

/* ---------- 资讯列表 ---------- */
.filter-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.tag-pill{
  display:inline-flex;align-items:center;
  min-height:36px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--muted);
  font-size:14px;font-weight:500;transition:all var(--t);
}
.tag-pill:hover,.tag-pill.is-active{background:var(--c-primary-light);border-color:#BFD6F0;color:var(--c-primary-dark);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.news-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.badge-cat{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:rgba(21,96,189,.12);color:var(--c-primary-dark);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.news-title{
  margin-top:12px;font-size:17px;font-weight:700;line-height:1.5;color:#10243A;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--c-primary-dark);}
.news-summary{
  margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--placeholder);
}
.news-meta .read{color:var(--c-primary);font-weight:600;}
.empty-state{
  min-height:240px;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:32px;text-align:center;
}
.empty-state i{font-size:64px;color:rgba(21,96,189,.3);}
.empty-state p{color:var(--muted);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item.is-open{border-color:#BFD6F0;box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;
  font-size:17px;font-weight:700;color:#10243A;line-height:1.6;
  min-height:44px;
}
.faq-icon{
  width:28px;height:28px;border-radius:50%;flex:0 0 auto;
  border:1px solid #BFD6F0;color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;line-height:1;transition:all var(--t);
}
.faq-item.is-open .faq-icon{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 220ms ease,padding 220ms ease;
  padding:0 24px;
}
.faq-item.is-open .faq-a{padding:0 24px 22px;}
.faq-a p{
  background:#F7F9FC;border-radius:12px;padding:16px 18px;
  font-size:15px;color:var(--muted);line-height:1.85;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#fff;position:relative;padding:64px 0 28px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:180px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-neon));
  border-radius:0 3px 3px 0;
}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .brand{color:#10243A;}
.footer-brand .brand b{font-weight:800;}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--muted);line-height:1.8;max-width:34ch;}
.footer-col h4{font-size:14px;font-weight:700;color:#10243A;margin-bottom:14px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--placeholder);
}
.footer-bottom a{color:var(--placeholder);}
.footer-bottom a:hover{color:var(--c-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container,.grid-container{padding-left:20px;padding-right:20px;}
  .nav-menu,.nav-wrap > .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap{height:56px;}
  .hero{padding:48px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-copy{max-width:100%;}
  .hero-figure img{aspect-ratio:16/10;}
  .float-card{right:12px;bottom:-16px;padding:12px 14px;gap:12px;}
  .section{padding:72px 0;}
  .section-head{margin-bottom:36px;}
  .value-row{grid-template-columns:1fr;gap:24px;padding:28px 0;}
  .value-row.reverse .value-media{order:0;}
  .shot{flex:0 0 calc((100% - 20px)/2);}
  .req-grid{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .cta-box{padding:32px 26px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr 1fr;gap:28px;}
}
@media (max-width:639px){
  body{font-size:15.5px;}
  .topbar{display:none;}
  .section{padding:60px 0;}
  .hero{padding:36px 0 52px;}
  .hero h1{font-size:clamp(26px,7.6vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-figure img{aspect-ratio:16/10;max-height:260px;}
  .float-card{position:static;margin-top:16px;right:auto;bottom:auto;justify-content:space-between;}
  .value-num{font-size:44px;}
  .shot{flex:0 0 100%;}
  .thumbs{margin-left:0;width:100%;}
  .req-card{padding:22px 20px;}
  .review-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
  .qr{width:140px;height:140px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a, .faq-item.is-open .faq-a{padding-left:18px;padding-right:18px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

/* roulang page: article */
:root{
  --primary:#1560BD;
  --primary-dark:#0C3E7E;
  --primary-light:#E9F1FC;
  --neon:#00E0B8;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --border:#E3E9F2;
  --text:#22313F;
  --muted:#64748B;
  --disabled:#9AA7B4;
  --star:#F5A623;
  --nav-dark-1:#0B1620;
  --nav-dark-2:#122234;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow:0 8px 24px rgba(12,62,126,.08);
  --shadow-hover:0 16px 40px rgba(12,62,126,.14);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;background:transparent;}
a:hover{color:var(--primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ============ 通用容器 ============ */
.grid-container{max-width:1200px;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,var(--nav-dark-1),var(--nav-dark-2));
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,var(--neon),rgba(0,224,184,0));
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;letter-spacing:.01em;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--neon),#0FA9C6);
  color:#06202B;font-weight:800;font-size:17px;
  box-shadow:0 0 14px rgba(0,224,184,.35);
}
.brand b{font-weight:800;}
.brand .neon{color:var(--neon);font-weight:500;margin-left:2px;}
.nav-menu{display:flex;align-items:center;gap:22px;margin:0;flex:1 1 auto;}
.nav-menu>li{position:relative;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  height:68px;color:#B9C6D4;font-size:15px;font-weight:500;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--neon);opacity:0;transition:opacity .18s ease;
  box-shadow:0 0 12px rgba(0,224,184,.65);
}
.nav-link:hover{color:#E8FFFA;}
.nav-link:hover::after{opacity:.45;}
.nav-menu>li.is-active .nav-link{color:#E8FFFA;}
.nav-menu>li.is-active .nav-link::after{opacity:1;}
.caret{font-size:10px;color:#7C8B9B;}
.dropdown{
  position:absolute;top:100%;left:-14px;min-width:190px;
  background:#0F1D2B;border:1px solid rgba(0,224,184,.18);
  border-radius:12px;padding:8px;
  box-shadow:0 18px 40px rgba(0,0,0,.4);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.nav-menu>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown a{
  display:block;padding:10px 12px;border-radius:8px;
  color:#B9C6D4;font-size:14px;transition:background .18s ease,color .18s ease;
}
.dropdown a:hover{background:rgba(0,224,184,.10);color:#E8FFFA;}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 22px;border-radius:var(--radius-btn);
  background:var(--neon);color:#06202B;font-weight:700;font-size:15px;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.nav-cta:hover{color:#06202B;transform:translateY(-2px);box-shadow:0 0 18px rgba(0,224,184,.55);filter:brightness(1.06);}
.nav-cta:active{transform:translateY(0);filter:brightness(.94);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  color:#E8FFFA;font-size:18px;border:1px solid rgba(0,224,184,.25);
}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0;}
.breadcrumb{font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C4CEDB;}
.breadcrumb .current{color:var(--text);font-weight:700;}

/* ============ 文章头 ============ */
.article-hero{padding:22px 0 34px;}
.article-head{max-width:820px;}
.badge-cat{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:rgba(21,96,189,.12);color:var(--primary);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.article-head h1{
  margin:16px 0 18px;
  font-size:clamp(26px,3.4vw,36px);
  line-height:1.32;font-weight:800;letter-spacing:-.01em;color:var(--text);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:14px;color:var(--muted);
}
.article-meta .dot{width:1px;height:14px;background:#D7DFEA;display:inline-block;}

/* ============ 正文布局 ============ */
.article-layout{padding-bottom:40px;}
.article-main{min-width:0;}
.article-panel{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:34px 32px;
}
.article-body{max-width:760px;}
.article-body p{font-size:16.5px;line-height:1.9;color:var(--text);margin:0 0 1.2em;}
.article-body h2{
  font-size:22px;line-height:1.4;font-weight:700;color:var(--text);
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--primary);
}
.article-body h3{font-size:18px;font-weight:700;color:var(--text);margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--text);margin:22px 0 10px;}
.article-body ul{margin:0 0 1.2em;padding-left:2px;}
.article-body ul li{position:relative;padding-left:20px;line-height:1.8;margin-bottom:8px;font-size:16px;color:var(--text);}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--primary);
}
.article-body ol{margin:0 0 1.2em;padding-left:0;counter-reset:li;}
.article-body ol li{position:relative;padding-left:30px;line-height:1.8;margin-bottom:10px;counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.35em;
  width:20px;height:20px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--primary-light);
  border-left:3px solid var(--neon);border-radius:0 12px 12px 0;color:#2B4058;
}
.article-body blockquote p{margin:0;font-size:15.5px;}
.article-body img{border-radius:var(--radius-img);margin:22px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:left;margin-top:8px;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:2px;}
.article-body a:hover{color:var(--primary-dark);}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;display:block;overflow-x:auto;}
.article-body th{background:#F1F5FB;text-align:left;font-weight:700;color:var(--text);}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;white-space:nowrap;}
.article-body code,.article-body pre{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;}
.article-body hr{border:0;border-top:1px solid var(--border);margin:32px 0;}

/* 空态 */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;color:var(--muted);
}
.empty-state .icon{font-size:56px;color:rgba(21,96,189,.3);line-height:1;}
.empty-state p{font-size:15.5px;color:var(--muted);margin:0;}

/* ============ 文末互动 ============ */
.post-foot{margin-top:28px;padding-top:24px;border-top:1px dashed var(--border);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;background:#F1F5FB;border:1px solid var(--border);
  font-size:13px;color:#41566E;transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.tag-pill:hover{border-color:var(--primary);color:var(--primary);background:#fff;}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.share-row .label{font-size:14px;color:var(--muted);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(21,96,189,.24);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-outline{background:#fff;color:var(--primary);border:1px solid rgba(21,96,189,.35);}
.btn-outline:hover{color:var(--primary-dark);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-ghost{background:transparent;color:var(--primary);}
.btn-ghost:hover{color:var(--primary-dark);background:var(--primary-light);}
.btn-neon{background:var(--neon);color:#06202B;border:1px solid rgba(0,224,184,.6);}
.btn-neon:hover{color:#06202B;transform:translateY(-2px);box-shadow:0 0 18px rgba(0,224,184,.5);}

/* 上下篇 */
.nav-posts{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;}
.nav-post{
  display:block;padding:18px 20px;border-radius:14px;background:#fff;
  border:1px solid var(--border);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.nav-post:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(21,96,189,.3);}
.nav-post span{display:block;font-size:12.5px;font-weight:700;letter-spacing:.02em;color:var(--muted);margin-bottom:6px;}
.nav-post strong{display:block;font-size:15.5px;font-weight:600;color:var(--text);line-height:1.6;}
.nav-post:hover strong{color:var(--primary-dark);}
.nav-post.right{text-align:right;}

/* ============ 侧栏 ============ */
.article-side{min-width:0;}
.side-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:22px;
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--text);margin:0 0 14px;
  padding-bottom:12px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--primary);font-size:13px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:#4A5B6E;
  line-height:1.6;border-left:2px solid transparent;transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.toc-list a:hover{background:var(--primary-light);color:var(--primary-dark);}
.toc-list a.active{color:var(--primary-dark);font-weight:700;background:var(--primary-light);border-left-color:var(--primary);}
.hot-list{display:flex;flex-direction:column;gap:14px;}
.hot-item{display:flex;gap:12px;align-items:flex-start;}
.hot-item .thumb{
  width:64px;height:64px;border-radius:10px;object-fit:cover;flex:0 0 auto;background:#EDF2F9;
}
.hot-item b{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.55;transition:color .18s ease;}
.hot-item:hover b{color:var(--primary);}
.hot-item small{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;}
.side-cta{
  background:linear-gradient(160deg,#0C3E7E,#1560BD);border:0;color:#EAF2FC;
  position:relative;overflow:hidden;
}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.18);}
.side-cta h3 i{color:var(--neon);}
.side-cta p{font-size:14px;line-height:1.75;color:#C6DCF5;margin:0 0 16px;}
.side-cta .btn-neon{width:100%;}

/* ============ 相关推荐 ============ */
.related{margin-top:52px;}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px;}
.section-title h2{font-size:24px;font-weight:700;color:var(--text);letter-spacing:-.01em;}
.section-title a{font-size:14px;font-weight:600;color:var(--primary);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(21,96,189,.28);}
.card .cover{aspect-ratio:16/10;width:100%;object-fit:cover;background:#EDF2F9;}
.card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card .body h3{font-size:17px;font-weight:700;line-height:1.55;color:var(--text);transition:color .18s ease;}
.card:hover .body h3{color:var(--primary-dark);}
.card .body p{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card .meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);}
.chip{display:inline-block;padding:3px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:600;}

/* ============ 底部 CTA 条 ============ */
.cta-strip{margin:56px 0 0;padding:0 0 72px;}
.cta-box{
  position:relative;border-radius:20px;padding:40px 36px;background:#fff;
  border:1px solid rgba(21,96,189,.2);box-shadow:var(--shadow);
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:space-between;
}
.cta-box::after{
  content:"";position:absolute;inset:6px;border-radius:14px;
  border:1px solid rgba(0,224,184,.28);pointer-events:none;
}
.cta-box h3{font-size:22px;font-weight:800;color:var(--text);margin-bottom:8px;}
.cta-box p{font-size:14.5px;color:var(--muted);margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:#fff;border-top:1px solid var(--border);padding:56px 0 24px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:220px;
  background:linear-gradient(90deg,var(--primary),var(--neon));
  border-radius:0 3px 0 0;
}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:28px;}
.footer-brand .brand{color:var(--text);font-size:17px;}
.footer-brand .brand .neon{color:var(--primary);}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.75;margin:14px 0 0;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin:0 0 14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color .18s ease;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr;}
}
@media (max-width:1023px){
  .nav-menu{
    position:fixed;top:56px;left:0;right:0;bottom:0;
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--nav-dark-1);padding:14px 18px 40px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
  }
  body.nav-open .nav-menu{opacity:1;visibility:visible;transform:translateY(0);}
  body.nav-open{overflow:hidden;}
  .nav-wrap{height:56px;}
  .nav-link{height:52px;width:100%;justify-content:flex-start;padding:0 12px;border-radius:8px;}
  .nav-link::after{display:none;}
  .nav-menu>li.is-active .nav-link{background:rgba(0,224,184,.08);box-shadow:inset 3px 0 0 var(--neon);color:#E8FFFA;}
  .dropdown{
    position:static;opacity:1;visibility:visible;transform:none;
    background:transparent;border:0;box-shadow:none;padding:0 0 6px 12px;min-width:0;
  }
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .nav-cta{display:none;}
  .article-body{max-width:100%;}
  .side-sticky{position:static;}
  .article-side{margin-top:26px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr 1fr;}
}
@media (max-width:767px){
  .article-panel{padding:24px 20px;}
  .article-body p{font-size:16px;}
  .article-body h2{font-size:20px;margin-top:32px;}
  .nav-posts{grid-template-columns:1fr;}
  .nav-post.right{text-align:left;}
  .card-grid{grid-template-columns:1fr;}
  .cta-box{padding:28px 22px;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-top{grid-template-columns:1fr 1fr;gap:22px;}
}
@media (max-width:520px){
  .container,.grid-container{padding-left:16px;padding-right:16px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .breadcrumb{font-size:13px;}
  .article-head h1{font-size:23px;}
}

/* roulang page: category1 */
:root{
  --primary:#1560BD;
  --primary-dark:#0C3E7E;
  --primary-light:#E9F1FC;
  --neon:#00E0B8;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#22313F;
  --muted:#64748B;
  --placeholder:#9AA7B4;
  --star:#F5A623;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-sm:0 8px 24px rgba(12,62,126,.08);
  --shadow-lg:0 16px 40px rgba(12,62,126,.14);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(90deg,#0B1620 0%,#122234 100%);
  border-bottom:1px solid transparent;
}
.site-header::after{
  content:"";display:block;height:1px;width:100%;
  background:linear-gradient(90deg,rgba(0,224,184,.9) 0%,rgba(0,224,184,0) 70%);
}
.nav-wrap{display:flex;align-items:center;gap:var(--sp-5);height:68px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;letter-spacing:.01em;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand .brand-mark{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#00E0B8 0%,#1560BD 100%);
  color:#062018;font-weight:800;font-size:16px;
}
.brand b{font-weight:800;}
.brand .neon{color:var(--neon);font-weight:500;margin-left:2px;}
.nav-menu{display:flex;align-items:center;gap:var(--sp-2);margin:0 0 0 auto;}
.nav-menu > li{position:relative;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:0 14px;height:68px;line-height:68px;font-size:15px;color:#CFE0EE;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:16px;height:1px;background:rgba(0,224,184,.55);
  opacity:0;transition:opacity .18s ease;
}
.nav-link:hover{color:#E8FFFA;}
.nav-link:hover::after{opacity:1;}
.nav-menu .is-active > .nav-link{color:#E8FFFA;}
.nav-menu .is-active > .nav-link::after{
  opacity:1;height:2px;background:var(--neon);
  box-shadow:0 0 12px rgba(0,224,184,.65);
}
.caret{font-size:11px;opacity:.75;}
.dropdown{
  position:absolute;top:100%;left:8px;min-width:196px;
  background:#0F1E2D;border:1px solid rgba(0,224,184,.22);border-radius:12px;
  padding:8px;box-shadow:0 18px 40px rgba(0,0,0,.4);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.nav-menu > li:hover .dropdown,
.nav-menu > li:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(4px);}
.dropdown a{
  display:block;padding:11px 12px;border-radius:8px;font-size:14px;color:#CFE0EE;
  transition:background .18s ease,color .18s ease;
}
.dropdown a:hover{background:rgba(0,224,184,.1);color:#E8FFFA;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  background:var(--neon);color:#06231C;font-weight:700;font-size:15px;
  transition:box-shadow .18s ease,transform .18s ease,filter .18s ease;
  flex:0 0 auto;
}
.nav-cta:hover{color:#06231C;filter:brightness(1.06);box-shadow:0 0 18px rgba(0,224,184,.45);transform:translateY(-2px);}
.nav-cta:active{transform:translateY(0);filter:brightness(.94);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid rgba(0,224,184,.3);
  background:rgba(255,255,255,.04);color:#E8FFFA;font-size:18px;cursor:pointer;
}
.nav-toggle:focus-visible{outline:2px solid var(--neon);outline-offset:2px;}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:14px 0;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#C3CDDA;}
.crumb .current{color:var(--text);font-weight:600;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#FFFFFF 0%,#EAF2FC 100%);
  padding:var(--sp-8) 0 var(--sp-7);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(21,96,189,.055) 0 1px,transparent 1px 26px);
  opacity:.9;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-7);align-items:center;}
.hero-copy{max-width:560px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--primary);
  background:var(--primary-light);border:1px solid rgba(21,96,189,.16);
  border-radius:999px;padding:6px 14px;margin-bottom:var(--sp-4);
}
.hero h1{
  font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--text);
}
.hero-lead{margin-top:var(--sp-4);font-size:17px;color:var(--muted);max-width:38ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-5);}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--sp-5);}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:7px 14px;font-size:13px;color:var(--muted);
}
.pill i{color:var(--primary);font-size:12px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-lg);
}
.float-card{
  position:absolute;right:-8px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-sm);padding:14px 18px;min-width:168px;
}
.float-card strong{display:block;font-size:15px;color:var(--text);}
.float-card span{font-size:13px;color:var(--muted);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-outline{background:#fff;color:var(--primary);border-color:rgba(21,96,189,.4);}
.btn-outline:hover{color:var(--primary-dark);border-color:var(--primary);background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-ghost{background:transparent;color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);}
.btn-neon{background:var(--neon);color:#06231C;}
.btn-neon:hover{color:#06231C;filter:brightness(1.06);box-shadow:0 0 18px rgba(0,224,184,.45);transform:translateY(-2px);}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-8) 0;}
.section-head{max-width:720px;margin-bottom:var(--sp-6);}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 正文 + 目录布局 ============ */
.doc-layout{display:grid;grid-template-columns:240px 1fr;gap:var(--sp-7);align-items:start;}
.toc{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-sm);}
.toc h3{font-size:14px;font-weight:700;color:var(--text);letter-spacing:.02em;margin-bottom:14px;}
.toc ol{counter-reset:toc;}
.toc li{counter-increment:toc;}
.toc a{
  display:block;position:relative;padding:9px 0 9px 26px;font-size:14px;color:var(--muted);
  border-left:2px solid transparent;transition:color .18s ease,border-color .18s ease,padding-left .18s ease;
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);position:absolute;left:0;top:9px;
  font-size:12px;color:var(--placeholder);font-weight:600;
}
.toc a:hover{color:var(--primary);}
.toc a.is-active{color:var(--primary-dark);font-weight:600;border-left-color:var(--neon);padding-left:30px;}
.toc .toc-cta{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);}
.toc .toc-cta .btn{width:100%;}

.doc-body{min-width:0;}
.article-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px;box-shadow:var(--shadow-sm);margin-bottom:var(--sp-5);
}
.article-block h2{
  position:relative;font-size:clamp(20px,2.4vw,24px);font-weight:700;line-height:1.4;
  padding-left:16px;margin-bottom:16px;
}
.article-block h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:1.1em;border-radius:2px;background:var(--primary);
}
.article-block h3{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-block p{font-size:16px;color:var(--text);line-height:1.9;}
.article-block p + p{margin-top:14px;}
.article-block .muted{color:var(--muted);font-size:15px;}
.check-list{margin-top:16px;display:grid;gap:12px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;line-height:1.8;color:var(--text);}
.check-list .tick{
  flex:0 0 auto;width:20px;height:20px;margin-top:5px;border-radius:50%;
  background:var(--primary);color:#fff;font-size:10px;display:flex;align-items:center;justify-content:center;
}
.step-list{margin-top:18px;counter-reset:step;display:grid;gap:14px;}
.step-list li{
  counter-increment:step;position:relative;padding:14px 18px 14px 56px;
  background:var(--bg);border:1px solid var(--line);border-radius:12px;font-size:15.5px;
}
.step-list li::before{
  content:counter(step);position:absolute;left:16px;top:14px;
  width:26px;height:26px;border-radius:50%;background:var(--primary);color:#fff;
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.inline-figure{margin:22px 0 6px;}
.inline-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);border:1px solid var(--line);}
.inline-figure figcaption{margin-top:10px;font-size:13px;color:var(--muted);}
.note{
  margin-top:18px;background:var(--primary-light);border-left:3px solid var(--neon);
  border-radius:0 12px 12px 0;padding:16px 18px;font-size:15px;color:var(--primary-dark);
}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(21,96,189,.3);}
.scene-icon{
  width:44px;height:44px;border-radius:12px;background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.scene-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.scene-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.faq-item.is-open{border-color:rgba(21,96,189,.34);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;cursor:pointer;
  padding:18px 22px;font-size:18px;font-weight:700;color:var(--text);line-height:1.5;
}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;}
.faq-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  color:var(--primary);font-size:14px;display:flex;align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease,transform .22s ease;
}
.faq-item.is-open .faq-mark{background:var(--primary);border-color:var(--primary);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a-inner{padding:0 22px 20px;background:#F7F9FC;font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ CTA ============ */
.cta-band{padding:0 0 var(--sp-8);}
.cta-card{
  position:relative;background:#fff;border:1px solid rgba(21,96,189,.2);border-radius:20px;
  padding:40px;box-shadow:var(--shadow-sm);overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;inset:8px;border:1px dashed rgba(0,224,184,.5);border-radius:14px;pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr 180px;gap:var(--sp-6);align-items:center;}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.35;}
.cta-inner p{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:52ch;}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.qr{
  width:160px;height:160px;background:#fff;border:1px solid var(--line);border-radius:14px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:var(--placeholder);font-size:13px;box-shadow:var(--shadow-sm);
}
.qr i{font-size:44px;color:var(--primary);opacity:.35;}
.cta-note{position:relative;margin-top:20px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.cta-note i{color:var(--primary);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:#fff;border-top:1px solid var(--line);
  padding:var(--sp-8) 0 var(--sp-5);font-size:14px;
}
.site-footer::before{
  content:"";position:absolute;top:-3px;left:0;width:180px;height:3px;
  background:linear-gradient(90deg,var(--primary) 0%,var(--neon) 100%);border-radius:0 3px 3px 0;
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:var(--sp-5);}
.footer-brand .brand{color:var(--text);margin-bottom:14px;}
.footer-brand p{color:var(--muted);line-height:1.85;font-size:14px;max-width:32ch;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:var(--muted);font-size:14px;transition:color .18s ease;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:var(--sp-7);padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:var(--muted);font-size:13.5px;
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-menu{
    position:fixed;top:68px;left:0;right:0;bottom:0;
    background:#0B1620;flex-direction:column;align-items:flex-start;gap:0;
    padding:16px 20px;margin:0;overflow-y:auto;
    transform:translateX(-100%);transition:transform .22s ease;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu > li{width:100%;}
  .nav-link{height:52px;line-height:52px;width:100%;padding:0 12px;font-size:16px;border-radius:10px;}
  .nav-link::after{display:none;}
  .nav-menu .is-active > .nav-link{background:rgba(0,224,184,.08);box-shadow:inset 3px 0 0 var(--neon);}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;border:0;padding:0 0 8px 12px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .nav-cta{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-6);}
  .hero-figure img{aspect-ratio:16/10;}
  .float-card{right:12px;bottom:-14px;}
  .doc-layout{grid-template-columns:1fr;}
  .toc{position:static;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;gap:var(--sp-5);}
  .footer-brand{grid-column:1 / -1;}
  .cta-inner{grid-template-columns:1fr;}
  .qr{margin:0 auto;}
}
@media (max-width:639px){
  .section{padding:60px 0;}
  .hero{padding:56px 0 48px;}
  .nav-wrap{height:56px;gap:12px;}
  .brand{font-size:16px;}
  .brand .brand-mark{width:30px;height:30px;font-size:14px;}
  .nav-menu{top:56px;}
  .article-block{padding:20px;}
  .scene-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .cta-card{padding:26px 20px;}
  .hero-actions .btn{width:100%;}
  .float-card{position:static;margin-top:16px;right:auto;bottom:auto;}
}

/* roulang page: category3 */
:root{
  --primary:#1560BD;
  --primary-dark:#0C3E7E;
  --primary-light:#E9F1FC;
  --neon:#00E0B8;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#22313F;
  --muted:#64748B;
  --faint:#9AA7B4;
  --star:#F5A623;
  --danger:#E4572E;
  --radius:16px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow-sm:0 8px 24px rgba(12,62,126,.08);
  --shadow-md:0 16px 40px rgba(12,62,126,.14);
  --nav-h:68px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media screen and (min-width:1440px){.grid-container{max-width:1280px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:linear-gradient(180deg,#0B1620 0%,#122234 100%);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,rgba(0,224,184,.9),rgba(0,224,184,0));
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;color:#FFFFFF;font-size:19px;line-height:1}
.brand:hover{color:#FFFFFF}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#00E0B8,#1560BD);
  color:#08131D;font-weight:800;font-size:17px;
}
.brand b{font-weight:800}
.brand .neon{color:var(--neon);font-weight:500}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu>li{position:relative}
.nav-link{
  display:flex;align-items:center;gap:6px;height:var(--nav-h);padding:0 14px;
  color:#C6D4E2;font-size:15px;position:relative;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:1px;
  background:var(--neon);opacity:0;transition:opacity var(--ease);
}
.nav-link:hover{color:#E8FFFA}
.nav-link:hover::after{opacity:.6}
.nav-menu>li.is-active>.nav-link{color:#E8FFFA;font-weight:600}
.nav-menu>li.is-active>.nav-link::after{height:2px;opacity:1;box-shadow:0 0 12px rgba(0,224,184,.65)}
.caret{font-size:11px;opacity:.75}
.dropdown{
  position:absolute;top:calc(100% - 6px);left:8px;min-width:210px;padding:8px;
  background:#0F1E2D;border:1px solid rgba(0,224,184,.18);border-radius:12px;
  box-shadow:0 18px 40px rgba(0,0,0,.35);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.nav-menu>li:hover .dropdown,.nav-menu>li:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 12px;border-radius:8px;color:#C6D4E2;font-size:14px}
.dropdown a:hover{background:rgba(0,224,184,.1);color:#E8FFFA}
.nav-cta{
  margin-left:8px;display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:var(--radius-sm);
  background:var(--neon);color:#06231D;font-weight:700;font-size:15px;
  transition:box-shadow var(--ease),transform var(--ease),filter var(--ease);
}
.nav-cta:hover{color:#06231D;filter:brightness(1.08);box-shadow:0 0 18px rgba(0,224,184,.55);transform:translateY(-2px)}
.nav-cta:active{transform:translateY(0);filter:brightness(.94)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  color:#E8FFFA;font-size:18px;border:1px solid rgba(255,255,255,.16);
}
@media screen and (max-width:1023px){
  :root{--nav-h:56px}
  .nav-toggle{display:flex;align-items:center;justify-content:center;margin-left:auto}
  .nav-menu{
    position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;z-index:80;
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:12px 20px 40px;
    background:#0B1620;overflow-y:auto;
    transform:translateX(-100%);transition:transform 220ms ease;
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu>li{width:100%}
  .nav-link{height:52px;padding:0 14px;border-left:3px solid transparent}
  .nav-link::after{display:none}
  .nav-menu>li.is-active>.nav-link{border-left-color:var(--neon);background:rgba(0,224,184,.06)}
  .caret{display:none}
  .dropdown{
    position:static;opacity:1;visibility:visible;transform:none;min-width:0;
    background:transparent;border:0;box-shadow:none;padding:0 0 6px 14px;
  }
  .nav-cta{display:none}
}

/* ---------- 通用 ---------- */
.section{padding:96px 0}
.section--tight{padding-top:0}
.section-head{max-width:760px;margin-bottom:48px}
.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:600;letter-spacing:.06em;
  color:var(--primary);background:var(--primary-light);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-sub{margin-top:14px;color:var(--muted);font-size:15px}
.note{margin-top:18px;font-size:13px;color:var(--faint)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(21,96,189,.24)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);background:#0A356B}
.btn-outline{background:#fff;color:var(--primary);border:1px solid rgba(21,96,189,.4)}
.btn-outline:hover{color:var(--primary-dark);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-outline:active{transform:translateY(0);background:var(--primary-light)}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid transparent}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 面包屑 & Hero ---------- */
.hero{
  background:
    linear-gradient(160deg,#FFFFFF 0%,#EAF2FC 100%);
  border-bottom:1px solid var(--line);
  padding:40px 0 84px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(21,96,189,.06) 0 1px,transparent 1px 46px);
}
.hero .grid-container{position:relative;z-index:1}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{margin:0 8px;color:var(--faint)}
.breadcrumb .current{color:var(--text);font-weight:600}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.hero-copy h1{
  font-size:clamp(30px,4.6vw,48px);font-weight:800;line-height:1.2;letter-spacing:-.02em;
}
.hero-lead{margin-top:18px;font-size:17px;color:var(--muted);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-badges li{
  font-size:13px;font-weight:600;color:var(--primary-dark);
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 14px;box-shadow:0 2px 8px rgba(12,62,126,.05);
}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
}
.hero-media .float-card{
  position:absolute;right:18px;bottom:-22px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-sm);
}
.hero-media .float-card b{display:block;color:var(--primary);font-size:15px}
.hero-media .float-card span{font-size:12px;color:var(--muted)}
@media screen and (max-width:1023px){
  .hero{padding:32px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media img{aspect-ratio:16/10;max-height:280px}
}
@media screen and (max-width:639px){
  .hero-media .float-card{right:12px;bottom:-16px;padding:12px 14px}
}

/* ---------- 参数带 ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.stat{background:#fff;padding:32px 22px;text-align:center}
.stat b{display:block;font-size:32px;font-weight:800;color:var(--primary);line-height:1.1}
.stat span{display:block;margin-top:10px;font-size:13px;color:var(--muted)}
@media screen and (max-width:767px){
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{padding:24px 16px}
  .stat b{font-size:26px}
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:56px}
.timeline::before{
  content:"";position:absolute;left:50%;top:8px;bottom:8px;width:1px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(21,96,189,.06),rgba(21,96,189,.34),rgba(21,96,189,.06));
}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:minmax(0,1fr) 96px minmax(0,1fr);
  align-items:center;gap:0;margin-bottom:56px;
}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  grid-column:2;justify-self:center;
  width:60px;height:60px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 0 0 10px rgba(21,96,189,.08),0 10px 24px rgba(12,62,126,.18);
  position:relative;z-index:2;
}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
.tl-body h3{font-size:19px;font-weight:700;margin-bottom:10px}
.tl-body p{font-size:15px;color:var(--muted)}
.tl-body ul{margin-top:14px;display:grid;gap:8px}
.tl-body li{position:relative;padding-left:20px;font-size:14px;color:var(--muted)}
.tl-body li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;
  border-radius:2px;background:var(--primary);opacity:.75;
}
.tl-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.tl-item--reverse .tl-body{grid-column:3}
.tl-item--reverse .tl-media{grid-column:1;grid-row:1}
.tl-item--reverse .tl-node{grid-column:2}
@media screen and (max-width:899px){
  .timeline::before{left:21px;transform:none}
  .tl-item,.tl-item--reverse{display:block;padding-left:64px;margin-bottom:40px}
  .tl-node{
    position:absolute;left:0;top:0;width:44px;height:44px;font-size:15px;
    box-shadow:0 0 0 6px rgba(21,96,189,.08);
  }
  .tl-body{margin-bottom:18px;padding:22px}
  .tl-item--reverse .tl-body,.tl-item--reverse .tl-media{grid-column:auto;grid-row:auto}
}

/* ---------- 对照卡 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:8px}
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.compare-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary)}
.compare-card--warn::before{background:linear-gradient(90deg,#1560BD,#00E0B8)}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.compare-card h3{font-size:19px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.compare-card h3 i{color:var(--primary)}
.compare-list{display:grid;gap:14px}
.compare-list li{
  display:flex;gap:12px;font-size:15px;color:var(--muted);
  padding-bottom:14px;border-bottom:1px dashed var(--line);
}
.compare-list li:last-child{border-bottom:0;padding-bottom:0}
.tick{
  flex:0 0 18px;width:18px;height:18px;margin-top:5px;border-radius:50%;
  background:var(--primary);color:#fff;font-size:10px;
  display:flex;align-items:center;justify-content:center;
}
@media screen and (max-width:767px){
  .compare-grid{grid-template-columns:1fr}
}

/* ---------- 排查建议 ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.tip-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(21,96,189,.3)}
.tip-icon{
  width:48px;height:48px;border-radius:14px;background:var(--primary-light);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;
}
.tip-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.tip-card p{font-size:14px;color:var(--muted)}
@media screen and (max-width:899px){
  .tip-grid{grid-template-columns:1fr}
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;background:#fff;border:1px solid rgba(21,96,189,.22);
  border-radius:var(--radius-lg);padding:48px;box-shadow:var(--shadow-sm);
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center;
  overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;inset:10px;border-radius:14px;
  border:1px solid rgba(0,224,184,.35);pointer-events:none;
}
.cta-card h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.3}
.cta-card p{margin-top:14px;color:var(--muted);font-size:15px;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:1}
.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:12px}
.qr{
  width:160px;height:160px;border-radius:14px;border:1px solid var(--line);
  background-color:#fff;
  background-image:
    linear-gradient(90deg,rgba(12,62,126,.85) 2px,transparent 2px),
    linear-gradient(0deg,rgba(12,62,126,.85) 2px,transparent 2px);
  background-size:16px 16px;
  box-shadow:inset 0 0 0 14px #fff,0 8px 20px rgba(12,62,126,.1);
  position:relative;
}
.qr::after{
  content:"";position:absolute;left:50%;top:50%;width:44px;height:44px;
  transform:translate(-50%,-50%);border-radius:8px;
  background:#fff;border:2px solid rgba(12,62,126,.85);
}
.qr-wrap span{font-size:13px;color:var(--muted)}
@media screen and (max-width:899px){
  .cta-card{grid-template-columns:1fr;padding:32px;gap:28px}
  .qr-wrap{align-items:flex-start}
  .cta-actions .btn{flex:1 1 100%}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#fff;border-top:1px solid var(--line);margin-top:8px;
  padding:64px 0 32px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;width:220px;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--neon));
}
.footer-top{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px}
.footer-brand .brand{color:var(--text);margin-bottom:16px}
.footer-brand .brand:hover{color:var(--primary-dark)}
.footer-brand p{font-size:14px;color:var(--muted);max-width:34ch}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:14px;color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary)}
@media screen and (max-width:1023px){
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1/-1}
}
@media screen and (max-width:639px){
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- 板块间距响应 ---------- */
@media screen and (max-width:1023px){
  .section{padding:72px 0}
  .section-head{margin-bottom:36px}
}
@media screen and (max-width:639px){
  .section{padding:60px 0}
  .grid-container{padding-left:20px;padding-right:20px}
}

/* roulang page: category2 */
:root{
  --brand:#1560BD;
  --brand-dark:#0C3E7E;
  --brand-mid:#1257AC;
  --brand-light:#E9F1FC;
  --neon:#00E0B8;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#22313F;
  --muted:#64748B;
  --placeholder:#9AA7B4;
  --star:#F5A623;
  --danger:#E4572E;
  --radius:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-sm:0 8px 24px rgba(12,62,126,.08);
  --shadow-hover:0 16px 40px rgba(12,62,126,.14);
  --t:180ms;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
ul,ol{margin:0}
h1,h2,h3,h4{margin:0}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(90deg,#0B1620 0%,#122234 100%);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,rgba(0,224,184,.85) 0%,rgba(0,224,184,0) 78%);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;letter-spacing:-.01em;flex:0 0 auto}
.brand:hover{color:#fff}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,#00E0B8,#1560BD);
  color:#06202A;font-weight:800;font-size:17px;
  display:grid;place-items:center;letter-spacing:0;
}
.brand b{font-weight:800}
.brand .neon{color:var(--neon);font-weight:600}
.nav-menu{
  display:flex;align-items:center;gap:2px;list-style:none;
  margin:0 0 0 auto;padding:0;
}
.nav-menu>li{position:relative}
.nav-link{
  display:flex;align-items:center;gap:6px;
  height:68px;padding:0 14px;
  color:rgba(255,255,255,.78);font-size:15px;font-weight:500;
  position:relative;transition:color var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:1px;
  background:var(--neon);opacity:0;transition:opacity var(--t);
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{opacity:.55}
.nav-menu>li.is-active>.nav-link{color:#E8FFFA;font-weight:600}
.nav-menu>li.is-active>.nav-link::after{height:2px;opacity:1;box-shadow:0 0 12px rgba(0,224,184,.65)}
.caret{font-size:11px;opacity:.7;transition:transform var(--t)}
.nav-menu>li:hover .caret{transform:rotate(180deg)}
.dropdown{
  position:absolute;top:calc(100% - 6px);left:8px;min-width:210px;
  background:#0F1E2C;border:1px solid rgba(0,224,184,.18);
  border-radius:12px;padding:8px;
  box-shadow:0 18px 40px rgba(0,0,0,.4);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.nav-menu>li:hover .dropdown,
.nav-menu>li:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{
  display:block;padding:10px 12px;border-radius:8px;
  color:rgba(255,255,255,.82);font-size:14px;
  transition:background var(--t),color var(--t);
}
.dropdown a:hover{background:rgba(0,224,184,.12);color:#fff}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--radius-btn);
  background:var(--neon);color:#06202A;font-weight:700;font-size:14px;
  white-space:nowrap;transition:box-shadow var(--t),transform var(--t),filter var(--t);
}
.nav-cta:hover{color:#06202A;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 18px rgba(0,224,184,.45)}
.nav-cta:active{transform:translateY(0);filter:brightness(.95)}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 auto;
  align-items:center;justify-content:center;
  border-radius:var(--radius-btn);cursor:pointer;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:17px;
  transition:background var(--t),border-color var(--t);
}
.nav-toggle:hover{background:rgba(0,224,184,.14);border-color:rgba(0,224,184,.4)}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 76px;
  background:linear-gradient(158deg,#FFFFFF 0%,#EAF2FC 100%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(21,96,189,.055) 0 1px,transparent 1px 28px);
}
.breadcrumb{
  position:relative;display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);margin-bottom:26px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--placeholder)}
.breadcrumb .current{color:var(--text);font-weight:600}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:1.02fr .98fr;
  gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(21,96,189,.09);color:var(--brand-dark);
  font-size:13px;font-weight:600;padding:7px 15px;border-radius:999px;
}
.hero-copy h1{
  font-size:clamp(28px,4.2vw,46px);
  font-weight:800;line-height:1.22;letter-spacing:-.02em;
  color:var(--brand-dark);margin:18px 0 16px;max-width:640px;
}
.hero-copy .lead{
  font-size:17px;line-height:1.8;color:var(--muted);
  max-width:560px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0}
.hero-facts li{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:13px;color:var(--muted);
}
.hero-facts b{color:var(--brand-dark);font-weight:700}
.hero-media{position:relative}
.hero-media .shot{
  aspect-ratio:16/10;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff;
}
.hero-media .shot img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;right:-8px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-hover);
  display:flex;align-items:center;gap:12px;min-width:186px;
}
.float-card i{
  width:36px;height:36px;border-radius:10px;flex:0 0 auto;
  background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;font-size:15px;
}
.float-card b{display:block;font-size:15px;color:var(--brand-dark)}
.float-card span{font-size:12px;color:var(--muted)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;text-align:center;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(21,96,189,.24)}
.btn-primary:hover{background:var(--brand-mid);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(21,96,189,.3)}
.btn-primary:active{transform:translateY(0);background:#0F4C97;box-shadow:0 6px 14px rgba(21,96,189,.22)}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(21,96,189,.35)}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-outline:active{transform:translateY(0);background:#DDE9F8}
.btn-neon{background:var(--neon);color:#06202A}
.btn-neon:hover{color:#06202A;filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 0 18px rgba(0,224,184,.45)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{
  font-size:clamp(22px,2.7vw,32px);font-weight:700;line-height:1.32;
  color:var(--brand-dark);margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 筛选 + 卡片网格 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{
  min-height:40px;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--muted);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.chip:hover{border-color:rgba(21,96,189,.45);color:var(--brand)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(21,96,189,.24)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.v-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t);
}
.v-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.v-card:hover h3{color:var(--brand-dark)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-light)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease}
.v-card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--brand-dark);background:var(--brand-light);
  border-radius:999px;padding:5px 12px;line-height:1.6;
}
.v-card h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--text);transition:color var(--t)}
.v-card p{
  font-size:14px;line-height:1.7;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--placeholder);
}
.card-meta a{color:var(--brand);font-weight:600}
.card-meta a:hover{color:var(--brand-dark);text-decoration:underline}

/* ---------- 分页 ---------- */
.pager{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:46px}
.pager-link,.pager-num{
  min-width:44px;height:44px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-btn);border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:14px;font-weight:600;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.pager-link:hover,.pager-num:hover{border-color:var(--brand);color:var(--brand)}
.pager-num.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.pager-link.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split h2{font-size:clamp(22px,2.7vw,32px);font-weight:700;line-height:1.32;color:var(--brand-dark);margin-bottom:14px}
.split .split-text{color:var(--muted);font-size:16px}
.check-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:var(--text)}
.check-list i{color:var(--brand);margin-top:5px;font-size:14px}
.split-media .shot{
  aspect-ratio:16/10;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff;
}
.split-media .shot img{width:100%;height:100%;object-fit:cover}
.stat-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:52px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t);
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.stat b{display:block;font-size:32px;font-weight:800;color:var(--brand);letter-spacing:-.02em;line-height:1.2}
.stat span{font-size:14px;color:var(--muted)}

/* ---------- 场景列表 ---------- */
.scene-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.scene-row{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t);
}
.scene-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.scene-ico{
  width:44px;height:44px;flex:0 0 auto;border-radius:12px;
  background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;font-size:17px;
}
.scene-row h3{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--text)}
.scene-row p{font-size:14px;line-height:1.75;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-img);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item.is-open{border-color:rgba(21,96,189,.35);box-shadow:var(--shadow-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:700;color:var(--text);cursor:pointer;line-height:1.6;
}
.faq-q:hover{color:var(--brand-dark)}
.faq-icon{
  width:28px;height:28px;flex:0 0 auto;border-radius:50%;
  border:1px solid rgba(21,96,189,.32);color:var(--brand);
  display:grid;place-items:center;font-size:13px;
  transition:background var(--t),color var(--t),transform 220ms ease,border-color var(--t);
}
.faq-item.is-open .faq-icon{background:var(--brand);border-color:var(--brand);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;background:#F7F9FC;transition:max-height 220ms ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{padding:18px 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid rgba(21,96,189,.2);border-radius:20px;
  padding:44px;box-shadow:var(--shadow-sm);
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
}
.cta-block::after{
  content:"";position:absolute;inset:9px;border-radius:14px;
  border:1px dashed rgba(0,224,184,.5);pointer-events:none;
}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--brand-dark);margin-bottom:12px;line-height:1.35}
.cta-copy p{color:var(--muted);font-size:16px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:2}
.cta-note{margin-top:18px;font-size:13px;color:var(--placeholder)}
.qr{
  width:160px;height:160px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;text-align:center;
  color:var(--placeholder);font-size:13px;line-height:1.6;padding:12px;
}
.qr i{display:block;font-size:28px;color:var(--brand);opacity:.4;margin-bottom:8px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:#fff;border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand) 0%,var(--neon) 38%,rgba(0,224,184,0) 76%);
}
.footer-top{display:grid;grid-template-columns:1.7fr repeat(4,1fr);gap:32px}
.footer-brand .brand{color:var(--text);font-size:18px}
.footer-brand .brand-mark{color:#06202A}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:16px;max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;color:var(--brand-dark);margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-toggle{display:flex}
  .nav-cta{margin-left:auto}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;left:auto;
    width:min(320px,84vw);margin:0;
    background:#0B1620;border-left:1px solid rgba(0,224,184,.2);
    flex-direction:column;align-items:stretch;gap:0;
    padding:84px 14px 28px;overflow-y:auto;
    transform:translateX(100%);
    transition:transform 220ms ease;
    box-shadow:-18px 0 40px rgba(0,0,0,.35);
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu>li{width:100%}
  .nav-link{
    height:52px;padding:0 14px;border-left:3px solid transparent;
    font-size:15px;width:100%;justify-content:flex-start;
  }
  .nav-link::after{display:none}
  .nav-menu>li.is-active>.nav-link{
    border-left-color:var(--neon);background:rgba(0,224,184,.08);
    box-shadow:none;
  }
  .dropdown{
    position:static;opacity:1;visibility:visible;transform:none;
    background:transparent;border:0;box-shadow:none;padding:0 0 8px 14px;min-width:0;
  }
  .dropdown a{padding:8px 12px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media .shot{aspect-ratio:16/10}
  .float-card{right:10px;bottom:-14px}
  .split{grid-template-columns:1fr;gap:36px}
  .section{padding:72px 0}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
  .cta-block{grid-template-columns:1fr;padding:32px}
  .qr{margin:0 auto}
}
@media (max-width:639px){
  .section{padding:60px 0}
  .page-hero{padding:32px 0 60px}
  .nav-cta{display:none}
  .nav-toggle{margin-left:auto}
  .hero-copy h1{font-size:clamp(24px,7vw,32px)}
  .hero-copy .lead{font-size:16px}
  .hero-media .shot{max-height:260px}
  .hero-media .shot img{height:100%}
  .float-card{position:static;margin-top:16px;justify-content:flex-start}
  .card-grid{grid-template-columns:1fr}
  .scene-list{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr}
  .cta-block{padding:26px 20px}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a-inner{padding:16px 18px 20px}
  .card-body{padding:20px}
}

/* roulang page: category4 */
:root{
  --primary:#1560BD;
  --primary-dark:#0C3E7E;
  --primary-deep:#12549F;
  --primary-light:#E9F1FC;
  --neon:#00E0B8;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#22313F;
  --muted:#64748B;
  --muted-2:#9AA7B4;
  --star:#F5A623;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --shadow:0 8px 24px rgba(12,62,126,.08);
  --shadow-hover:0 16px 40px rgba(12,62,126,.14);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary-dark)}
button{font-family:inherit;font-size:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:inherit;color:inherit}
input,textarea,select{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 公告条 ---------- */
.notice-bar{background:#0B1620;color:#A9BBCE;font-size:13px;line-height:36px}
.notice-bar .container{display:flex;align-items:center;gap:12px}
.notice-bar p{margin:0;flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice-bar b{color:var(--neon);font-weight:600}
.notice-close{background:transparent;border:0;color:#7E8FA3;width:32px;height:32px;border-radius:8px;transition:color var(--ease),background var(--ease)}
.notice-close:hover{color:#E8FFFA;background:#152B40}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:linear-gradient(90deg,#0B1620 0%,#122234 100%);
  box-shadow:0 6px 24px rgba(4,14,26,.28);
}
.site-header::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(0,224,184,.9),rgba(0,224,184,0) 70%);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:#FFFFFF;font-size:19px;line-height:1;letter-spacing:.01em;flex:0 0 auto}
.brand b{font-weight:800}
.brand .neon{color:var(--neon)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#00E0B8,#1560BD);
  color:#062A24;font-weight:800;font-size:16px;
  display:grid;place-items:center;
  box-shadow:0 0 14px rgba(0,224,184,.35);
}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;height:68px}
.nav-menu > li{position:relative;height:100%;display:flex;align-items:center}
.nav-link{
  display:flex;align-items:center;gap:6px;
  color:#C8D6E4;font-size:15px;padding:0 12px;height:100%;
  position:relative;transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:1px;
  background:var(--neon);opacity:0;transition:opacity var(--ease);
}
.nav-link:hover{color:#E8FFFA}
.nav-link:hover::after{opacity:.6}
.nav-menu .is-active .nav-link{color:#E8FFFA;font-weight:600}
.nav-menu .is-active .nav-link::after{
  opacity:1;height:2px;box-shadow:0 0 12px rgba(0,224,184,.65);
}
.caret{font-size:10px;opacity:.75}
.dropdown{
  position:absolute;top:100%;left:0;min-width:200px;
  background:#122234;border:1px solid #1E3450;border-radius:12px;padding:8px;
  box-shadow:0 18px 40px rgba(3,12,22,.5);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.nav-menu > li:hover .dropdown,
.nav-menu > li:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 12px;border-radius:8px;color:#C8D6E4;font-size:14px}
.dropdown a:hover{background:#1B2E45;color:#E8FFFA}
.dropdown a.is-active{background:#1B2E45;color:#E8FFFA;font-weight:600}
.nav-cta{
  background:var(--neon);color:#062A24;font-weight:700;font-size:14px;
  padding:11px 20px;border-radius:var(--r-btn);flex:0 0 auto;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.nav-cta:hover{color:#062A24;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 0 18px rgba(0,224,184,.45)}
.nav-toggle{
  display:none;background:transparent;border:1px solid #24384F;color:#E8FFFA;
  width:44px;height:44px;border-radius:10px;
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:var(--neon);background:#152B40}

@media (max-width:1023px){
  .notice-bar{display:none}
  .nav-wrap{height:56px;gap:12px}
  .nav-menu{
    position:fixed;left:0;right:0;top:56px;bottom:0;
    background:#0B1620;flex-direction:column;align-items:stretch;gap:0;
    padding:16px;margin:0;height:auto;overflow-y:auto;
    transform:translateX(-100%);transition:transform 220ms ease;
  }
  .site-header.nav-open .nav-menu{transform:translateX(0)}
  .nav-menu > li{display:block;height:auto}
  .nav-link{height:52px;padding:0 14px;border-left:3px solid transparent;font-size:16px}
  .nav-link::after{display:none}
  .nav-menu .is-active .nav-link{border-left-color:var(--neon);background:#122234}
  .dropdown{
    position:static;opacity:1;visibility:visible;transform:none;
    background:transparent;border:0;box-shadow:none;padding:0 0 0 14px;min-width:0;
  }
  .dropdown a{padding:12px 12px 12px 10px;font-size:15px}
  .nav-cta{display:none}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
}

/* ---------- 页面首屏 ---------- */
.page-hero{position:relative;overflow:hidden;padding:48px 0 72px;background:linear-gradient(180deg,#FFFFFF 0%,#EAF2FC 100%)}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(21,96,189,.055) 0 1px,transparent 1px 26px);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C3CDDA}
.breadcrumb .current{color:var(--text);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy{max-width:600px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--primary);
  background:var(--primary-light);border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.hero-title{font-size:clamp(30px,4.6vw,46px);font-weight:800;line-height:1.22;letter-spacing:-.02em;margin-bottom:18px}
.hero-lead{font-size:17px;color:var(--muted);margin-bottom:26px;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-chips li{
  font-size:13px;color:var(--primary-dark);background:#FFFFFF;
  border:1px solid rgba(21,96,189,.22);border-radius:999px;padding:7px 14px;
}
.hero-media{position:relative;border-radius:20px;overflow:hidden;background:#DBE7F8;box-shadow:var(--shadow-hover)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media-card{
  position:absolute;right:16px;bottom:16px;background:#FFFFFF;border-radius:12px;
  padding:12px 16px;box-shadow:0 10px 26px rgba(12,62,126,.18);font-size:12px;color:var(--muted);line-height:1.5;
}
.hero-media-card b{display:block;font-size:15px;color:var(--text);margin-bottom:2px}

@media (max-width:1023px){
  .page-hero{padding:36px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-media img{aspect-ratio:16/9}
}
@media (max-width:639px){
  .hero-title{font-size:clamp(26px,7vw,32px)}
  .hero-actions .btn{width:100%}
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn:active{transform:translateY(0);filter:brightness(.94)}
.btn-primary{background:var(--primary);color:#FFFFFF;box-shadow:0 6px 16px rgba(21,96,189,.24)}
.btn-primary:hover{background:var(--primary-deep);color:#FFFFFF;transform:translateY(-2px);box-shadow:0 12px 26px rgba(21,96,189,.3)}
.btn-outline{background:#FFFFFF;border-color:rgba(21,96,189,.35);color:var(--primary)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark)}
.btn-neon{background:var(--neon);color:#062A24;font-weight:700}
.btn-neon:hover{color:#062A24;transform:translateY(-2px);box-shadow:0 0 18px rgba(0,224,184,.45)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section--tight{padding:0 0 96px}
.section-head{max-width:760px;margin-bottom:48px}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;margin-bottom:14px}
.section-desc{color:var(--muted);font-size:16px;margin:0}
@media (max-width:1023px){.section{padding:72px 0}.section--tight{padding:0 0 72px}.section-head{margin-bottom:36px}}
@media (max-width:639px){.section{padding:60px 0}.section--tight{padding:0 0 60px}}

/* ---------- 图文交替 ---------- */
.alt-list{display:grid;gap:0}
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
}
.alt-row:last-child{border-bottom:0}
.alt-row .alt-body{order:1}
.alt-row .alt-media{order:2}
.alt-row.is-reverse .alt-body{order:2}
.alt-row.is-reverse .alt-media{order:1}
.alt-index{display:block;font-size:52px;font-weight:800;line-height:1;letter-spacing:-.03em;color:rgba(21,96,189,.14);margin-bottom:8px}
.alt-body h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:14px}
.alt-body p{color:var(--muted);font-size:16px;margin-bottom:18px}
.check-list li{position:relative;padding-left:28px;margin-bottom:10px;font-size:15px;color:var(--text)}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:5px;
  width:18px;height:18px;border-radius:50%;background:var(--primary);color:#FFFFFF;
  font-size:11px;line-height:18px;text-align:center;
}
.alt-media{border-radius:var(--r-img);overflow:hidden;background:#E7EFFA;box-shadow:var(--shadow)}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 240ms ease}
.alt-media:hover img{transform:scale(1.02)}
@media (max-width:1023px){
  .alt-row{grid-template-columns:1fr;gap:24px;padding:36px 0}
  .alt-row .alt-body,
  .alt-row .alt-media,
  .alt-row.is-reverse .alt-body,
  .alt-row.is-reverse .alt-media{order:0}
  .alt-index{font-size:42px}
}

/* ---------- Foundation 栅格微调 ---------- */
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-x.grid-margin-x > .cell{padding-left:12px;padding-right:12px}
.grid-x.grid-margin-y{margin-top:-12px}
.grid-x.grid-margin-y > .cell{margin-top:12px}

/* ---------- 数据带 ---------- */
.stat-band{
  background:#FFFFFF;border:1px solid var(--line);border-radius:20px;
  padding:40px 28px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.stat-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--primary),rgba(0,224,184,.85));
}
.stat-item{text-align:center;padding:6px 4px}
.stat-num{font-size:clamp(32px,4vw,44px);font-weight:800;line-height:1.1;letter-spacing:-.02em;color:var(--primary)}
.stat-num small{font-size:16px;font-weight:600;margin-left:2px}
.stat-text{font-size:14px;color:var(--muted);margin-top:8px}
@media (max-width:639px){
  .stat-band{padding:28px 16px}
  .stat-num{font-size:30px}
}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  background:#FFFFFF;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{border-color:rgba(21,96,189,.28)}
.faq-item.is-open{box-shadow:var(--shadow);border-color:rgba(21,96,189,.3)}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:18px;font-weight:700;color:var(--text);
  min-height:44px;transition:color var(--ease);
}
.faq-q:hover{color:var(--primary-dark)}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);color:var(--primary);
  display:grid;place-items:center;font-size:13px;
  transition:background var(--ease),color var(--ease),transform 220ms ease,border-color var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--primary);border-color:var(--primary);color:#FFFFFF;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease;background:#F7F9FC}
.faq-a-inner{padding:18px 24px 22px;color:var(--muted);font-size:15px;border-radius:0 0 12px 12px}
@media (max-width:639px){
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-a-inner{padding:16px 18px 20px}
}

/* ---------- 底部 CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#EAF2FC 100%);
  border:1px solid rgba(21,96,189,.2);border-radius:24px;
  padding:48px;box-shadow:var(--shadow);
}
.cta-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--primary),rgba(0,224,184,.9));
}
.cta-grid{display:grid;grid-template-columns:1.5fr .5fr;gap:32px;align-items:center}
.cta-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;margin-bottom:12px}
.cta-desc{color:var(--muted);font-size:16px;margin-bottom:24px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.qr-box{
  width:160px;height:160px;margin-left:auto;background:#FFFFFF;border:1px solid var(--line);
  border-radius:14px;display:grid;place-items:center;text-align:center;
  color:var(--muted-2);font-size:12px;line-height:1.6;padding:14px;
}
.qr-box i{font-size:26px;color:rgba(21,96,189,.35);margin-bottom:8px;display:block}
.cta-note{margin-top:20px;font-size:13px;color:var(--muted-2)}
@media (max-width:1023px){
  .cta-card{padding:36px 24px}
  .cta-grid{grid-template-columns:1fr;gap:24px}
  .qr-box{margin:0 auto}
}
@media (max-width:639px){
  .cta-actions .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:#FFFFFF;border-top:1px solid var(--line);
  padding:64px 0 28px;color:var(--muted);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;width:180px;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--neon));
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand{color:var(--text);margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--muted);max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted-2);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary)}
@media (max-width:1023px){
  .footer-top{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:639px){
  .footer-top{grid-template-columns:1fr}
}

/* roulang page: category5 */
:root{
  --primary:#1560BD;
  --primary-dark:#0C3E7E;
  --primary-light:#E9F1FC;
  --neon:#00E0B8;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#22313F;
  --muted:#64748B;
  --muted-2:#9AA7B4;
  --star:#F5A623;
  --danger:#E4572E;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-1:0 8px 24px rgba(12,62,126,.08);
  --shadow-2:0 16px 40px rgba(12,62,126,.14);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --tr:180ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--tr) ease}
a:hover{color:var(--primary-dark)}
button{font:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;color:var(--text)}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{flex:0 0 auto;width:100%;min-width:0;padding-left:12px;padding-right:12px}
@media (min-width:640px){
  .grid-x>.cell.medium-6{width:50%}
  .grid-x>.cell.medium-4{width:33.3333%}
}
@media (min-width:1024px){
  .grid-x>.cell.large-3{width:25%}
  .grid-x>.cell.large-4{width:33.3333%}
  .grid-x>.cell.large-5{width:41.6667%}
  .grid-x>.cell.large-6{width:50%}
  .grid-x>.cell.large-7{width:58.3333%}
  .grid-x>.cell.large-8{width:66.6667%}
  .grid-x>.cell.large-12{width:100%}
}

/* 顶部公告条 */
.announce{background:#08131D;color:#C7D6E6;font-size:13px}
.announce-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.announce-inner span{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.announce-inner i{color:var(--neon)}
.announce-close{background:transparent;border:0;color:#8FA6BC;width:32px;height:32px;border-radius:8px;cursor:pointer;transition:color var(--tr) ease,background var(--tr) ease}
.announce-close:hover{color:#E8FFFA;background:rgba(255,255,255,.08)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,#0B1620 0%,#122234 100%);
}
.site-header::after{
  content:"";display:block;height:1px;width:100%;
  background:linear-gradient(90deg,rgba(0,224,184,.9) 0%,rgba(0,224,184,.25) 42%,rgba(0,224,184,0) 100%);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:600;letter-spacing:-.01em;flex:none}
.brand:hover{color:#fff}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,#1560BD 0%,#00E0B8 100%);
  display:grid;place-items:center;color:#04141A;font-weight:800;font-size:17px;
}
.brand b{font-weight:800}
.brand .neon{color:var(--neon);font-weight:500}
.nav-menu{display:flex;align-items:center;gap:2px;list-style:none;margin:0 0 0 auto;padding:0}
.nav-menu>li{position:relative}
.nav-link{
  display:flex;align-items:center;gap:6px;height:68px;padding:0 13px;
  color:#C3D2E2;font-size:15px;font-weight:500;position:relative;white-space:nowrap;
  transition:color var(--tr) ease;
}
.nav-link .caret{font-size:10px;color:#7E93A8;transition:transform var(--tr) ease}
.nav-menu>li:hover .nav-link{color:#E8FFFA}
.nav-menu>li:hover .caret{transform:rotate(180deg)}
.is-active>.nav-link{color:#E8FFFA}
.is-active>.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:15px;height:2px;
  background:var(--neon);box-shadow:0 0 12px rgba(0,224,184,.65);
}
.dropdown{
  position:absolute;top:62px;left:0;min-width:216px;padding:8px;
  background:#0F1E2E;border:1px solid rgba(0,224,184,.24);border-radius:12px;
  box-shadow:0 22px 44px rgba(3,16,28,.5);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity var(--tr) ease,transform var(--tr) ease,visibility var(--tr) ease;
}
.nav-menu>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 12px;border-radius:8px;color:#C3D2E2;font-size:14px}
.dropdown a:hover{background:rgba(0,224,184,.12);color:#E8FFFA}
.dropdown a.is-active{color:#E8FFFA;background:rgba(0,224,184,.1)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;flex:none;
  min-height:42px;padding:0 20px;border-radius:var(--radius-btn);
  background:var(--neon);color:#04222A;font-weight:700;font-size:15px;
  transition:filter var(--tr) ease,transform var(--tr) ease,box-shadow var(--tr) ease;
}
.nav-cta:hover{color:#04222A;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 18px rgba(0,224,184,.5)}
.nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.18);color:#E8FFFA;border-radius:10px;width:44px;height:44px;cursor:pointer;transition:background var(--tr) ease}
.nav-toggle:hover{background:rgba(255,255,255,.08)}

/* 面包屑 */
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:22px 0 0;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#B9C5D3}
.crumb .current{color:var(--text);font-weight:600}

/* Hero */
.page-hero{
  padding:14px 0 80px;
  background:
    repeating-linear-gradient(115deg,rgba(21,96,189,.05) 0 1px,transparent 1px 26px),
    linear-gradient(135deg,#FFFFFF 0%,#EAF2FC 100%);
}
.hero-inner{margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.tag-chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.02em;
}
.hero-sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.badge-pill{
  display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--muted);
}
.badge-pill i{color:var(--primary)}
.hero-figure{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-2);aspect-ratio:16/10;background:#DCE6F3;margin-top:8px}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;right:18px;bottom:18px;background:#fff;border-radius:14px;
  box-shadow:0 14px 34px rgba(12,62,126,.22);padding:14px 18px;display:flex;gap:20px;
}
.float-card div{display:flex;flex-direction:column;gap:2px}
.float-card b{font-size:18px;color:var(--primary-dark);line-height:1.2}
.float-card span{font-size:12px;color:var(--muted)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background var(--tr) ease,color var(--tr) ease,transform var(--tr) ease,box-shadow var(--tr) ease,border-color var(--tr) ease;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(12,62,126,.26)}
.btn-outline{background:#fff;color:var(--primary);border-color:#C9DBF1}
.btn-outline:hover{color:var(--primary-dark);border-color:var(--primary);transform:translateY(-2px);box-shadow:0 12px 26px rgba(12,62,126,.14)}
.btn-ghost{background:transparent;color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark)}
.btn:active{transform:translateY(0);filter:brightness(.94)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* 板块 */
.section{padding:96px 0}
.section--light{background:#fff}
.section--tight{padding-top:0}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--primary);text-transform:none;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--neon);border-radius:2px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3}
.section-head p{margin-top:14px;font-size:16px;color:var(--muted)}

/* 对比卡 */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.compare-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 28px 28px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--tr) ease,box-shadow var(--tr) ease;
}
.compare-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary)}
.compare-card.tone-b::before{background:#4A8BD6}
.compare-card.tone-c::before{background:#9DB3CC}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.compare-card h3{font-size:19px;font-weight:700;margin-bottom:6px}
.compare-card .lead{font-size:14px;color:var(--muted);margin-bottom:18px}
.spec-row{display:flex;flex-direction:column;gap:4px;padding:12px 0;border-top:1px dashed var(--line)}
.spec-row:first-of-type{border-top:0}
.spec-row dt{font-size:13px;color:var(--muted-2);font-weight:600}
.spec-row dd{margin:0;font-size:15px;color:var(--text)}
.compare-card .advice{
  margin-top:16px;padding:12px 14px;border-radius:12px;background:var(--primary-light);
  font-size:14px;color:var(--primary-dark);font-weight:600;
}

/* 表格 */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-card);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1)}
table.data-table{width:100%;border-collapse:collapse;min-width:760px}
table.data-table caption{text-align:left;padding:18px 24px 0;font-size:14px;color:var(--muted)}
table.data-table th{
  background:#F1F5FB;text-align:left;font-size:14px;font-weight:700;color:var(--text);
  padding:16px 22px;white-space:nowrap;
}
table.data-table td{padding:16px 22px;font-size:15px;color:var(--muted);border-top:1px solid var(--line);vertical-align:top}
table.data-table td:first-child{color:var(--text);font-weight:600}
.table-note{margin-top:14px;font-size:13px;color:var(--muted-2)}

/* 风险清单 */
.risk-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.risk-figure{border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);aspect-ratio:4/3;background:#DCE6F3}
.risk-figure img{width:100%;height:100%;object-fit:cover}
.risk-list{list-style:none;display:grid;gap:14px;margin-top:26px}
.risk-list li{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-1);
  transition:transform var(--tr) ease,box-shadow var(--tr) ease,border-color var(--tr) ease;
}
.risk-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#C9DBF1}
.risk-list i{color:var(--primary);font-size:17px;margin-top:5px;flex:none}
.risk-list b{display:block;font-size:16px;font-weight:700}
.risk-list span{font-size:14px;color:var(--muted)}

/* FAQ */
.faq-shell{max-width:900px}
.acc{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.acc-item+.acc-item{border-top:1px solid var(--line)}
.acc-q{
  width:100%;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:#fff;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--text);transition:color var(--tr) ease,background var(--tr) ease;
}
.acc-q:hover{color:var(--primary);background:#FBFCFF}
.acc-icon{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--line);flex:none;
  display:grid;place-items:center;color:var(--primary);font-size:14px;font-weight:700;
  transition:background var(--tr) ease,color var(--tr) ease,border-color var(--tr) ease;
}
.acc-icon::before{content:"+"}
.acc-item.is-open .acc-icon{background:var(--primary);border-color:var(--primary);color:#fff}
.acc-item.is-open .acc-icon::before{content:"−"}
.acc-a{max-height:0;overflow:hidden;transition:max-height 220ms ease}
.acc-item.is-open .acc-a{max-height:420px}
.acc-a-inner{padding:0 24px 22px;background:#F7F9FC;font-size:15px;color:var(--muted)}
.acc-item.is-open .acc-a-inner{padding-top:18px}
.acc-a-inner p{max-width:760px}

/* CTA */
.cta-band{
  position:relative;background:#fff;border:1px solid #C9DBF1;border-radius:20px;
  padding:52px 48px;box-shadow:var(--shadow-1);
}
.cta-band::before{
  content:"";position:absolute;inset:10px;border:1px solid rgba(0,224,184,.35);
  border-radius:14px;pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center}
.cta-band h2{font-size:clamp(23px,2.8vw,32px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:14px;font-size:16px;color:var(--muted);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-side{display:flex;flex-direction:column;align-items:center;gap:14px}
.qr-box{width:160px;height:160px;border-radius:14px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;box-shadow:var(--shadow-1)}
.qr-box i{font-size:52px;color:#C9DBF1}
.cta-side small{font-size:13px;color:var(--muted-2);text-align:center}

/* 页脚 */
.site-footer{position:relative;background:#fff;border-top:1px solid var(--line);padding:64px 0 30px;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;height:3px;width:220px;background:linear-gradient(90deg,var(--primary) 0%,var(--neon) 100%)}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand{color:var(--text);margin-bottom:14px}
.footer-brand .brand b{color:var(--text)}
.footer-brand p{font-size:14px;color:var(--muted);max-width:320px;line-height:1.8}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:14px}
.footer-col ul{list-style:none}
.footer-col li a{display:inline-block;padding:5px 0;font-size:14px;color:var(--muted)}
.footer-col li a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary)}

/* 响应式 */
@media (max-width:1023px){
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-cta{display:none}
  .nav-menu{
    position:fixed;top:56px;left:0;right:0;bottom:0;z-index:75;
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:14px 16px 30px;
    background:#0B1620;overflow-y:auto;
    transform:translateX(100%);transition:transform 220ms ease;
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-link{height:52px;width:100%;padding:0 14px;font-size:16px;border-left:3px solid transparent}
  .is-active>.nav-link::after{display:none}
  .is-active>.nav-link{border-left-color:var(--neon);background:rgba(0,224,184,.07)}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    background:transparent;border:0;border-radius:0;padding:0 0 10px 17px}
  .dropdown a{padding:11px 0;font-size:15px;color:#9FB3C8}
  .site-footer{padding-bottom:40px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .section{padding:72px 0}
  .page-hero{padding-bottom:60px}
  .compare-grid{grid-template-columns:1fr;gap:20px}
  .risk-wrap{grid-template-columns:1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .cta-side{align-items:flex-start}
}
@media (max-width:767px){
  .announce{display:none}
  .section{padding:60px 0}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .cta-band{padding:34px 22px}
  .cta-band::before{inset:7px}
  .footer-top{grid-template-columns:1fr;gap:22px}
  .float-card{right:12px;bottom:12px;padding:12px 14px;gap:16px}
  .acc-q{padding:18px;font-size:16px}
  .acc-a-inner{padding-left:18px;padding-right:18px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand{font-size:16px}
  .brand-mark{width:30px;height:30px;font-size:15px}
  .hero-badges .badge-pill{width:100%;justify-content:flex-start}
  .qr-box{width:140px;height:140px}
}