/* roulang page: index */
:root{
  --brand:#1C6EF2;
  --brand-dark:#1257C8;
  --brand-soft:#E8F1FF;
  --accent:#FF7A45;
  --accent-soft:#FFF1EA;
  --green:#14B87A;
  --gray:#8A94A6;
  --ink:#16202E;
  --ink-2:#5B6B80;
  --ink-3:#8A94A6;
  --bg:#F5F8FD;
  --surface:#FFFFFF;
  --line:#E4EDF7;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --shadow-sm:0 8px 24px rgba(22,52,98,.06);
  --shadow-md:0 16px 40px rgba(22,52,98,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sp-section:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;background:var(--brand-soft);}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-dark);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.35;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--surface);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:1px;color:var(--brand);font-weight:600;
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
.sec-head{margin-bottom:40px;max-width:760px;}
.sec-head h2{font-size:30px;letter-spacing:-.3px;}
.sec-head p{margin-top:12px;color:var(--ink-2);font-size:15px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 顶部活动条 ---------- */
.topbar{
  height:40px;display:flex;align-items:center;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;border-bottom:1px solid var(--line);
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:inline-flex;align-items:center;gap:8px;font-weight:600;}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(20,184,122,.14);}
.topbar-mid{display:inline-flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;color:var(--ink-2);}
.topbar-mid b{font-family:Inter,"SFMono-Regular",Consolas,monospace;color:var(--accent);font-weight:700;font-size:14px;}
.tb-block{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:30px;height:22px;padding:0 5px;border-radius:6px;
  background:#fff;color:var(--accent);font-weight:700;font-size:13px;
  font-family:Inter,Consolas,monospace;
}
.topbar-right{display:inline-flex;align-items:center;gap:12px;}
.topbar-close{
  width:24px;height:24px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink-3);cursor:pointer;line-height:1;font-size:13px;
  display:inline-flex;align-items:center;justify-content:center;transition:all .2s var(--ease);
}
.topbar-close:hover{color:var(--brand);border-color:var(--brand);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(22,52,98,.08);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--brand);
  color:#fff;font-weight:700;font-size:15px;letter-spacing:-.5px;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 40px;
  box-shadow:0 8px 18px rgba(28,110,242,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:-.2px;}
.brand-text span{font-size:12px;color:var(--ink-3);letter-spacing:1px;}
.nav-main{display:flex;align-items:center;gap:6px;}
.nav-main a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:15px;color:var(--ink-2);font-weight:500;position:relative;transition:all .2s var(--ease);
}
.nav-main a:hover{color:var(--brand);background:var(--brand-soft);}
.nav-main a.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);
}
.status-chip .dot-live{width:7px;height:7px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .22s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(255,122,69,.28);}
.btn-primary:hover{background:#f56c34;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-plain{background:#fff;border-color:var(--line);color:var(--ink-2);}
.btn-plain:hover{border-color:var(--brand);color:var(--brand);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(28,110,242,.3);
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:18px;cursor:pointer;align-items:center;justify-content:center;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 24px;font-size:15px;color:var(--ink-2);border-radius:0;
}
.mobile-drawer a.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.mobile-drawer .btn{margin:12px 24px 0;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#F0F6FF 0%,#FFFFFF 100%);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.82) 45%,rgba(232,241,255,.6) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:72px 0 64px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;
  font-size:12px;letter-spacing:.4px;font-weight:600;
}
.tag-blue{background:var(--brand-soft);color:var(--brand-dark);}
.tag-orange{background:var(--accent-soft);color:#D9562A;}
.tag-green{background:rgba(20,184,122,.12);color:#0E8F5E;}
.tag-gray{background:#EEF2F8;color:var(--ink-3);}
.hero h1{font-size:44px;line-height:1.25;letter-spacing:-.5px;font-weight:700;}
.hero-sub{margin-top:18px;font-size:17px;color:var(--ink-2);line-height:1.8;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:flex;gap:36px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);flex-wrap:wrap;
}
.hero-stat b{
  display:block;font-family:Inter,Consolas,monospace;font-size:28px;font-weight:700;color:var(--brand);letter-spacing:-.5px;
}
.hero-stat span{font-size:13px;color:var(--ink-3);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;
  box-shadow:0 18px 44px rgba(22,52,98,.14);
}
.hero-badge{
  position:absolute;right:-8px;bottom:-18px;
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:10px 18px;box-shadow:var(--shadow-sm);font-size:13px;color:var(--ink-2);font-weight:600;
}
.hero-badge i{color:var(--green);}

/* ---------- 爆款网格 ---------- */
.hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.hot-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.hot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.hot-card--wide{grid-column:span 2;}
.hot-media{position:relative;overflow:hidden;}
.hot-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease);}
.hot-card:hover .hot-media img{transform:scale(1.03);}
.hot-card--wide .hot-media img{aspect-ratio:16/7;}
.hot-flag{
  position:absolute;left:14px;top:14px;height:26px;padding:0 10px;border-radius:999px;
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;color:#fff;background:var(--accent);
}
.hot-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.hot-body h3{font-size:19px;margin-bottom:10px;}
.hot-body p{font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:16px;}
.hot-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.chip-row{display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  background:#F1F5FB;color:var(--ink-3);font-size:12px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow:hover{color:var(--brand-dark);}
.link-arrow:hover span{text-decoration:underline;}

/* ---------- 资讯列表 ---------- */
.news-wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:start;}
.news-feature{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:block;color:inherit;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);color:inherit;}
.news-feature img{width:100%;aspect-ratio:16/8.4;object-fit:cover;}
.news-feature-body{padding:22px 26px 26px;}
.news-feature-body h3{
  font-size:20px;line-height:1.5;margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-feature-body p{
  font-size:14px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-line{
  display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);margin-top:16px;
}
.meta-line .sep{width:1px;height:12px;background:var(--line);}
.news-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);padding:8px 0;
}
.news-item{
  display:flex;gap:14px;padding:18px 24px;border-bottom:1px solid var(--line);color:inherit;
  transition:background .2s var(--ease);
}
.news-item:last-child{border-bottom:0;}
.news-item:hover{background:#FAFCFF;color:inherit;}
.news-index{
  flex:0 0 26px;height:26px;border-radius:8px;background:var(--brand-soft);color:var(--brand-dark);
  font-family:Inter,Consolas,monospace;font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.news-item-body{min-width:0;}
.news-item-body h4{
  font-size:15px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item-body .meta-line{margin-top:8px;}
.empty-state{
  border:2px dashed var(--line);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;background:#FBFDFF;
}
.empty-state i{font-size:30px;color:var(--brand);opacity:.5;}
.empty-state p{margin:14px 0 12px;color:var(--ink-3);font-size:14px;}

/* ---------- 评价轮播 ---------- */
.review-rail{position:relative;}
.review-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 20px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);padding:24px;display:flex;flex-direction:column;
}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 40px;
}
.review-head strong{font-size:15px;display:block;}
.stars{color:var(--brand);font-size:12px;letter-spacing:1px;}
.review-card p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:16px;}
.review-card time{font-size:12px;color:var(--ink-3);margin-top:auto;}
.rail-ctrl{display:flex;align-items:center;gap:12px;justify-content:center;margin-top:8px;}
.rail-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);cursor:pointer;font-size:15px;transition:all .2s var(--ease);
}
.rail-btn:hover{border-color:var(--brand);color:var(--brand);}
.rail-dots{display:flex;gap:8px;}
.rail-dots span{
  width:8px;height:8px;border-radius:50%;background:#D6E2F2;transition:all .25s var(--ease);
}
.rail-dots span.is-active{background:var(--brand);width:22px;border-radius:999px;}

/* ---------- 保障条 ---------- */
.guard-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.guard-item{padding:28px 24px;border-right:1px solid var(--line);}
.guard-item:last-child{border-right:0;}
.guard-item i{font-size:22px;color:var(--brand);margin-bottom:14px;display:block;}
.guard-item h3{font-size:15px;margin-bottom:6px;}
.guard-item p{font-size:12px;color:var(--ink-3);line-height:1.7;margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#1257C8 0%,#1C6EF2 100%);
  border-radius:24px;padding:48px;color:#fff;
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
  box-shadow:0 20px 48px rgba(18,87,200,.24);
}
.cta-band h2{color:#fff;font-size:30px;letter-spacing:-.3px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin-top:14px;margin-bottom:0;}
.cta-panel{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  border-radius:18px;padding:24px;
}
.cta-count{display:flex;gap:10px;margin-bottom:18px;}
.cta-count div{
  flex:1;text-align:center;background:rgba(255,255,255,.16);border-radius:12px;padding:10px 4px;
}
.cta-count b{
  display:block;font-family:Inter,Consolas,monospace;font-size:22px;font-weight:700;color:#fff;
}
.cta-count span{font-size:11px;color:rgba(255,255,255,.7);letter-spacing:.5px;}
.cta-panel .btn{width:100%;margin-bottom:10px;}
.cta-panel .btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.cta-panel .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;}
.cta-note{font-size:12px;color:rgba(255,255,255,.68);text-align:center;margin:0;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.faq-col{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:8px 8px;}
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{border:0;background:transparent;}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink);padding:18px 16px;border:0;
  border-bottom:1px solid var(--line);transition:color .2s var(--ease);
}
.accordion .accordion-title:hover{color:var(--brand);background:#FAFCFF;}
.accordion .accordion-title::before{display:none;}
.accordion .accordion-title::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--brand);transition:transform .25s var(--ease);flex:0 0 auto;
}
.accordion .accordion-item.is-active .accordion-title::after{transform:rotate(45deg);}
.accordion .accordion-content{
  display:none;padding:16px 16px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);
  border-bottom:1px solid var(--line);background:#FAFCFF;
}
.accordion .accordion-content.is-open{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:#16202E;color:rgba(255,255,255,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-mark{box-shadow:none;background:var(--brand);}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text span{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.6);margin-top:18px;max-width:300px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:18px;letter-spacing:.5px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.68);padding:6px 0;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.5);
}
.back-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--brand);font-size:16px;cursor:pointer;
  box-shadow:var(--shadow-md);display:none;align-items:center;justify-content:center;z-index:70;
  transition:all .2s var(--ease);
}
.back-top:hover{background:var(--brand);color:#fff;border-color:var(--brand);}
.back-top.is-show{display:flex;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .hero-grid{gap:40px;padding:56px 0 56px;}
  .hero h1{font-size:38px;}
}
@media screen and (max-width:1023px){
  :root{--sp-section:64px;}
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .status-chip{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hot-grid{grid-template-columns:repeat(2,1fr);}
  .hot-card--wide{grid-column:span 2;}
  .news-wrap{grid-template-columns:1fr;}
  .review-card{flex-basis:calc((100% - 24px)/2);}
  .guard-bar{grid-template-columns:repeat(2,1fr);}
  .guard-item:nth-child(2){border-right:0;}
  .guard-item:nth-child(1),.guard-item:nth-child(2){border-bottom:1px solid var(--line);}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .faq-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  :root{--sp-section:48px;}
  .container{padding:0 20px;}
  .topbar{font-size:12px;}
  .topbar-mid{display:none;}
  .hero h1{font-size:28px;line-height:1.35;}
  .hero-sub{font-size:15px;}
  .hero-stats{gap:24px;}
  .hero-stat b{font-size:22px;}
  .hot-grid{grid-template-columns:1fr;}
  .hot-card--wide{grid-column:span 1;}
  .hot-card--wide .hot-media img{aspect-ratio:16/9;}
  .review-card{flex-basis:84%;}
  .guard-bar{grid-template-columns:1fr 1fr;}
  .guard-item{padding:22px 18px;}
  .sec-head h2{font-size:22px;}
  .cta-band{padding:28px 22px;border-radius:18px;}
  .cta-band h2{font-size:22px;}
  .cta-panel .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-badge{right:8px;bottom:-14px;font-size:12px;padding:8px 14px;}
}

/* roulang page: article */
:root{
  --brand:#1C6EF2;
  --brand-deep:#1257C8;
  --brand-soft:#E8F1FF;
  --accent:#FF7A45;
  --accent-soft:#FFF1EA;
  --ok:#14B87A;
  --off:#8A94A6;
  --text:#16202E;
  --text-2:#5B6B80;
  --text-3:#8A94A6;
  --bg:#F5F8FD;
  --surface:#FFFFFF;
  --line:#E4EDF7;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --shadow:0 8px 24px rgba(22,52,98,.06);
  --shadow-hover:0 16px 40px rgba(22,52,98,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color 220ms var(--ease);}
a:hover{color:var(--brand-deep);}
p{margin:0 0 18px;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(28,110,242,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.row{max-width:none;margin-left:-12px;margin-right:-12px;}
.row .column,.row .columns{padding-left:12px;padding-right:12px;}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部活动条 ---------- */
.topbar{
  background:var(--brand-soft);
  border-bottom:1px solid var(--line);
  color:var(--brand-deep);
  font-size:13px;
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:40px;
}
.topbar-status{display:flex;align-items:center;gap:8px;font-weight:600;}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(20,184,122,.15);}
.topbar-count{display:flex;align-items:center;gap:8px;color:var(--text-2);}
.topbar-count b{color:var(--brand-deep);font-weight:600;}
.cd-block{
  display:inline-block;min-width:30px;padding:2px 6px;border-radius:8px;
  background:#fff;color:var(--brand-deep);font-weight:700;text-align:center;
  font-variant-numeric:tabular-nums;
}
.topbar-close{
  border:0;background:transparent;color:var(--text-3);cursor:pointer;
  width:28px;height:28px;border-radius:50%;line-height:1;
}
.topbar-close:hover{background:#fff;color:var(--brand);}

/* ---------- 品牌与导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(22,52,98,.08);background:#fff;}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;font-weight:800;font-size:17px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(28,110,242,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:18px;font-weight:800;letter-spacing:-.2px;color:var(--text);}
.brand-text span{font-size:12px;letter-spacing:1px;color:var(--text-3);}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-main a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:15px;color:var(--text-2);font-weight:500;
  transition:background 220ms var(--ease),color 220ms var(--ease);
}
.nav-main a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-main a.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.header-state{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--ok);background:#F1FBF6;
  border:1px solid #D6F2E5;border-radius:999px;padding:4px 10px;
}
.header-state i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  cursor:pointer;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),color 220ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.28);}
.btn-primary:hover{background:#F26A34;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-soft{background:var(--brand-soft);color:var(--brand-deep);}
.btn-soft:hover{background:#D8E8FF;color:var(--brand-deep);}
.btn-block{width:100%;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb-inner{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);padding:14px 0;
}
.breadcrumb-inner a{color:var(--text-2);}
.breadcrumb-inner a:hover{color:var(--brand);}
.br-sep{color:#C7D4E4;}
.br-current{color:var(--text-3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 页面主体 ---------- */
.page-main{padding:48px 0 var(--sec);}
.article-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  padding:36px 40px 40px;
}
.article-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-deep);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;
}
.article-head h1{
  font-size:42px;line-height:1.28;font-weight:700;letter-spacing:-.5px;
  margin:18px 0 16px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--text-3);
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .meta-sep{color:#D3DEEB;}
.article-meta i{color:var(--brand);font-size:12px;}

/* ---------- 正文排版 ---------- */
.article-body{max-width:820px;padding-top:28px;font-size:16px;line-height:1.9;color:#22303F;}
.article-body p{margin:0 0 18px;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.5;font-weight:600;
  color:var(--text);margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:20px;line-height:1.6;font-weight:600;margin:28px 0 12px;}
.article-body h4{font-size:17px;margin:22px 0 10px;}
.article-body a{color:var(--brand);font-weight:500;}
.article-body a:hover{text-decoration:underline;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;
  border-radius:50%;background:var(--brand);
}
.article-body ol{list-style:decimal;padding-left:22px;}
.article-body ol li{margin-bottom:10px;}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;color:#20395C;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:22px auto;background:var(--brand-soft);}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border-radius:12px;overflow:hidden;
}
.article-body table th{
  background:var(--brand-soft);color:var(--brand-deep);
  text-align:left;font-weight:600;padding:12px 16px;
}
.article-body table td{padding:12px 16px;border-top:1px solid var(--line);}
.article-body table tbody tr:nth-child(even){background:#FAFCFF;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.article-empty{
  border:1px dashed #C9DAF0;background:#FAFCFF;border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--text-2);margin-top:28px;
}
.article-empty i{font-size:30px;color:#B9CCE6;display:block;margin-bottom:12px;}
.article-empty strong{display:block;font-size:18px;color:var(--text);margin-bottom:8px;}
.article-empty p{margin-bottom:20px;}

/* ---------- 文末 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;}
.tag{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:#F3F7FD;border:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}
.tag:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:#CFE1FA;}

.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;
}
.pager a{
  display:block;padding:16px 20px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:#fff;color:var(--text);
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease),border-color 220ms var(--ease);
}
.pager a:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#CFE1FA;color:var(--text);}
.pager .pager-label{display:block;font-size:12px;color:var(--text-3);letter-spacing:.5px;margin-bottom:4px;}
.pager .pager-title{display:block;font-size:15px;font-weight:600;}
.pager .pager-next{text-align:right;}

.related{margin-top:56px;padding-top:40px;border-top:1px solid var(--line);}
.section-head{margin-bottom:24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1px;color:var(--brand);font-weight:600;
  margin-bottom:10px;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--brand);display:inline-block;}
.section-head h2{font-size:28px;line-height:1.35;}
.section-head p{color:var(--text-2);font-size:15px;margin:8px 0 0;}

.rel-card{
  display:flex;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;height:100%;
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.rel-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.rel-thumb{
  width:104px;height:78px;flex:0 0 104px;border-radius:12px;overflow:hidden;
  background:var(--brand-soft);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.06);}
.rel-body h3{font-size:16px;line-height:1.55;margin-bottom:6px;}
.rel-body p{font-size:13px;color:var(--text-3);margin:0;}

.back-row{margin-top:40px;text-align:center;}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow);
}
.side-title{
  font-size:16px;font-weight:600;margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand);}
.toc-list{position:sticky;top:0;}
.toc-list li{margin-bottom:10px;}
.toc-list a{
  display:block;font-size:14px;color:var(--text-2);
  padding:8px 12px;border-radius:10px;border:1px solid transparent;
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:#D7E7FC;}
.hot-list li{
  display:flex;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line);
}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list .hot-no{
  flex:0 0 22px;height:22px;border-radius:7px;background:var(--brand-soft);
  color:var(--brand-deep);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.hot-list a{font-size:14px;line-height:1.6;color:var(--text-2);}
.hot-list a:hover{color:var(--brand);}
.side-tags{display:flex;flex-wrap:wrap;gap:10px;}
.side-tags a{
  font-size:13px;padding:6px 13px;border-radius:999px;
  background:#F3F7FD;border:1px solid var(--line);color:var(--text-2);
}
.side-tags a:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:#CFE1FA;}
.side-cta{background:linear-gradient(180deg,#F2F7FF 0%,#FFFFFF 100%);border-color:#D9E7FA;}
.side-cta h3{font-size:17px;margin-bottom:8px;}
.side-cta p{font-size:13px;color:var(--text-2);margin-bottom:16px;line-height:1.7;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:#101B2B;
  color:#fff;
  padding:64px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:10px;}
.cta-band p{color:#A9B9CE;margin:0;font-size:15px;}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.cta-note{font-size:12px;color:#8A94A6;width:100%;margin-top:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#16202E;color:#9FB0C6;padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text span{color:#7C8DA3;}
.footer-brand p{color:#9FB0C6;font-size:13px;line-height:1.85;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col a{display:block;color:#9FB0C6;font-size:14px;padding:5px 0;transition:color 220ms var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:#7C8DA3;
}
.back-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;
  border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand);
  box-shadow:var(--shadow);cursor:pointer;display:none;align-items:center;justify-content:center;
  z-index:80;transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.back-top:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.back-top.is-show{display:flex;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-body{max-width:none;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-main{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 24px 18px;box-shadow:0 14px 30px rgba(22,52,98,.10);
    display:none;
  }
  .nav-main.is-open{display:flex;}
  .nav-main a{padding:12px 14px;border-radius:12px;}
  .header-state{display:none;}
  .article-wrap{padding:26px 24px 30px;}
  .article-head h1{font-size:30px;}
  .article-side{margin-top:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band h2{font-size:24px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 20px;}
  .topbar-count{display:none;}
  .header-inner{min-height:64px;gap:12px;}
  .brand-mark{width:38px;height:38px;border-radius:10px;font-size:15px;}
  .brand-text strong{font-size:16px;}
  .brand-text span{font-size:11px;}
  .article-head h1{font-size:28px;}
  .page-main{padding:28px 0 var(--sec);}
  .article-body h2{font-size:21px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .article-body{font-size:15.5px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .pager{grid-template-columns:1fr;}
  .pager .pager-next{text-align:left;}
  .rel-card{flex-direction:column;align-items:stretch;}
  .rel-thumb{width:100%;height:150px;flex:none;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .back-top{right:16px;bottom:18px;}
}
@media (max-width:520px){
  .article-wrap{padding:22px 18px 26px;}
  .side-card{padding:18px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --brand:#1C6EF2;
  --brand-deep:#1257C8;
  --brand-soft:#E8F1FF;
  --accent:#FF7A45;
  --accent-soft:#FFF1EA;
  --ok:#14B87A;
  --text:#16202E;
  --text-2:#5B6B80;
  --text-3:#8A94A6;
  --bg:#F5F8FD;
  --surface:#FFFFFF;
  --line:#E4EDF7;
  --r-card:16px;
  --r-img:14px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-sm:0 8px 24px rgba(22,52,98,.06);
  --sh-lg:0 16px 40px rgba(22,52,98,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{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;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text);letter-spacing:-.2px;}
p{margin:0;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(28,110,242,.35);outline-offset:2px;border-radius:8px;}

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

/* ---------- 顶部活动条 ---------- */
.promo-bar{
  background:var(--brand);
  color:#fff;
  font-size:13px;
}
.promo-bar .container{
  height:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.promo-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  letter-spacing:.5px;
  white-space:nowrap;
}
.promo-status .dot{
  width:8px;height:8px;border-radius:50%;
  background:#8DF2C4;
  box-shadow:0 0 0 4px rgba(141,242,196,.22);
}
.promo-countdown{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
}
.promo-countdown .cd-block{
  min-width:30px;
  padding:2px 6px;
  border-radius:6px;
  background:rgba(255,255,255,.16);
  text-align:center;
  font-weight:600;
}
.promo-countdown .cd-sep{opacity:.7;}
.promo-close{
  width:28px;height:28px;
  border-radius:50%;
  color:#fff;
  font-size:16px;
  line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .22s var(--ease);
}
.promo-close:hover{background:rgba(255,255,255,.18);}
.promo-bar.is-hidden{display:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:0 6px 20px rgba(22,52,98,.08);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  border-radius:11px;
  background:var(--brand);
  color:#fff;
  font-weight:700;
  font-size:14px;
  letter-spacing:.5px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(28,110,242,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--text);letter-spacing:-.3px;}
.brand-text span{font-size:12px;letter-spacing:1px;color:var(--text-3);}
.brand:hover .brand-text strong{color:var(--brand-deep);}

.nav-main{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
}
.nav-main a{
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.nav-main a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-main a.is-active{
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-weight:600;
}
.nav-side{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.state-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 12px;
  border-radius:var(--r-pill);
  background:#F1FBF6;
  border:1px solid #D6F1E4;
  color:#0E8C5C;
  font-size:12px;
  letter-spacing:.5px;
  white-space:nowrap;
}
.state-chip .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 4px rgba(20,184,122,.16);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.3px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,122,69,.28);
}
.btn-primary:hover{
  background:#F26C36;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 12px 26px rgba(255,122,69,.34);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border:1px solid var(--brand);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--text-3);
}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li::after{content:"〉";color:#C6D3E4;}
.crumb li:last-child::after{display:none;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .current{color:var(--text-3);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin-top:22px;
  border-radius:24px;
  overflow:hidden;
  background-color:var(--brand-soft);
  background-image:linear-gradient(105deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.88) 46%,rgba(240,246,255,.62) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border:1px solid var(--line);
}
.hero-inner{
  padding:64px 56px 58px;
  max-width:780px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  letter-spacing:1px;
  color:var(--brand-deep);
  font-weight:600;
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:var(--brand);
  border-radius:2px;
}
.hero h1{
  margin-top:16px;
  font-size:44px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.5px;
}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
  max-width:660px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
}
.tag-accent{background:var(--accent-soft);border-color:#FFD9C6;color:#C4521F;}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-badge{
  position:absolute;
  right:36px;
  bottom:36px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px 22px;
  border-radius:18px;
  background:#fff;
  box-shadow:var(--sh-lg);
  border:1px solid var(--line);
}
.hero-badge .num{
  font-size:28px;
  font-weight:700;
  color:var(--brand);
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.hero-badge .txt{font-size:12px;color:var(--text-3);line-height:1.5;}

/* ---------- 通用板块 ---------- */
.section{padding-top:var(--sec);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
}
.section-head h2{
  font-size:30px;
  line-height:1.35;
  font-weight:600;
}
.section-head p{
  margin-top:12px;
  font-size:15px;
  color:var(--text-2);
  max-width:640px;
}
.section-head .head-note{
  font-size:13px;
  color:var(--text-3);
  white-space:nowrap;
}

/* ---------- 状态速览 ---------- */
.status-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.status-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.status-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.status-card .label{
  font-size:12px;
  letter-spacing:1px;
  color:var(--text-3);
}
.status-card .value{
  margin-top:10px;
  font-size:26px;
  font-weight:700;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.status-card .value.ok{color:var(--ok);}
.status-card .value.blue{color:var(--brand);}
.status-card .desc{
  margin-top:8px;
  font-size:13px;
  color:var(--text-2);
  line-height:1.7;
}

/* ---------- 步骤流程 ---------- */
.steps{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  padding:40px 42px;
  box-shadow:var(--sh-sm);
}
.step{
  position:relative;
  display:grid;
  grid-template-columns:54px 1fr;
  gap:22px;
  padding-bottom:34px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";
  position:absolute;
  left:26px;
  top:54px;
  bottom:0;
  width:2px;
  background:linear-gradient(180deg,var(--brand-soft),rgba(232,241,255,.25));
}
.step:last-child::before{display:none;}
.step-num{
  width:54px;height:54px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-weight:700;
  font-size:17px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
  border:1px solid #D4E4FF;
  position:relative;
  z-index:1;
}
.step-body h3{
  font-size:19px;
  font-weight:600;
  line-height:1.5;
  padding-top:12px;
}
.step-body p{
  margin-top:8px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}
.step-meta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:12px;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.3px;
}
.step-meta .sep{color:#CBD8E8;}

/* ---------- 要点卡 ---------- */
.point-card{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.point-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-lg);
  border-color:#D4E4FF;
}
.point-icon{
  width:44px;height:44px;
  border-radius:13px;
  background:var(--brand-soft);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.point-card h3{font-size:18px;line-height:1.5;}
.point-card p{
  margin-top:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
}
.point-card .mini-tag{
  display:inline-block;
  margin-top:14px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--bg);
  border:1px solid var(--line);
  font-size:12px;
  color:var(--text-3);
}
.gap-row{margin-bottom:20px;}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;
  gap:18px;
  align-items:flex-start;
  padding:26px 30px;
  border-radius:var(--r-card);
  background:var(--accent-soft);
  border:1px solid #FFD9C6;
}
.notice-icon{
  flex-shrink:0;
  width:38px;height:38px;
  border-radius:11px;
  background:#fff;
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
}
.notice h3{font-size:16px;font-weight:600;color:#8F3A12;}
.notice p{margin-top:6px;font-size:14px;color:#A5522A;line-height:1.8;}
.notice a{color:#8F3A12;text-decoration:underline;}

/* ---------- FAQ ---------- */
.faq-block{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  padding:12px 30px;
  box-shadow:var(--sh-sm);
}
.faq-block .accordion{
  border:0;
  background:transparent;
  margin:0;
}
.faq-block .accordion-item{border-bottom:1px solid var(--line);}
.faq-block .accordion-item:last-child{border-bottom:0;}
.faq-block .accordion-title{
  border:0;
  background:transparent;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  padding:22px 44px 22px 0;
  position:relative;
  line-height:1.6;
}
.faq-block .accordion-title::before{
  content:"";
  position:absolute;
  right:16px;
  top:50%;
  width:14px;height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:translateY(-50%);
  transition:transform .22s var(--ease);
}
.faq-block .accordion-title::after{
  content:"";
  position:absolute;
  right:22px;
  top:50%;
  width:2px;height:14px;
  background:var(--brand);
  border-radius:2px;
  transform:translateY(-50%);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-block .accordion-title[aria-expanded="true"]::after{transform:translateY(-50%) rotate(90deg);opacity:0;}
.faq-block .accordion-title:hover{color:var(--brand-deep);}
.faq-block .accordion-content{
  border:0;
  background:transparent;
  padding:0 44px 24px 0;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.faq-block .accordion-content p+p{margin-top:12px;}

/* ---------- CTA ---------- */
.cta-block{
  margin-top:var(--sec);
  border-radius:24px;
  background:linear-gradient(120deg,#1257C8 0%,#1C6EF2 58%,#3B84F5 100%);
  color:#fff;
  padding:52px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  position:relative;
  overflow:hidden;
}
.cta-block::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-copy{position:relative;z-index:1;max-width:620px;}
.cta-copy h2{color:#fff;font-size:30px;line-height:1.35;}
.cta-copy p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.86);line-height:1.8;}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;min-width:250px;}
.cta-actions .btn-ghost{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.6);
  color:#fff;
}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;}
.cta-note{font-size:12px;color:rgba(255,255,255,.72);text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sec);
  background:#16202E;
  color:#9FB0C6;
  padding:60px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text span{color:#7C8DA6;}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:#8A9CB4;
  max-width:320px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  letter-spacing:.5px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:#9FB0C6;
  padding:6px 0;
}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:#7C8DA6;
  letter-spacing:.3px;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:46px;height:46px;
  border-radius:50%;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-lg);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-soft);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .hero h1{font-size:38px;}
  .hero-inner{padding:52px 40px 48px;}
  .status-row{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
}
@media screen and (max-width:1023px){
  :root{--sec:64px;}
  .nav-main{
    position:absolute;
    top:72px;
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 32px rgba(22,52,98,.1);
    padding:14px 20px 20px;
    display:none;
  }
  .nav-main.is-open{display:flex;}
  .nav-main a{padding:13px 16px;border-radius:12px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .nav-side .state-chip{display:none;}
  .hero-inner{padding:46px 32px 44px;max-width:100%;}
  .hero-badge{position:static;margin:0 32px 32px;width:fit-content;}
  .cta-block{flex-direction:column;align-items:flex-start;padding:44px 36px;}
  .cta-actions{width:100%;min-width:0;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:767px){
  :root{--sec:48px;}
  .container{padding-left:20px;padding-right:20px;}
  .nav-wrap{height:64px;gap:14px;}
  .nav-main{top:64px;}
  .brand-text strong{font-size:15px;}
  .brand-text span{font-size:11px;}
  .btn{height:44px;padding:0 18px;font-size:14px;}
  .nav-side .btn-primary{height:38px;padding:0 16px;font-size:13px;}
  .crumb{padding-top:16px;font-size:12px;}
  .hero{margin-top:16px;border-radius:18px;}
  .hero-inner{padding:34px 22px 30px;}
  .hero h1{font-size:28px;line-height:1.35;}
  .hero-lead{font-size:15px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-badge{margin:0 22px 24px;padding:14px 18px;}
  .hero-badge .num{font-size:22px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px;}
  .section-head h2{font-size:22px;}
  .section-head .head-note{display:none;}
  .status-row{grid-template-columns:1fr;gap:14px;}
  .steps{padding:26px 22px;border-radius:18px;}
  .step{grid-template-columns:40px 1fr;gap:16px;padding-bottom:26px;}
  .step::before{left:19px;top:44px;}
  .step-num{width:40px;height:40px;font-size:14px;}
  .step-body h3{font-size:17px;padding-top:6px;}
  .step-body p{font-size:14px;}
  .point-card{padding:22px;}
  .notice{padding:20px;gap:14px;}
  .faq-block{padding:6px 20px;border-radius:18px;}
  .faq-block .accordion-title{padding:18px 38px 18px 0;font-size:15px;}
  .faq-block .accordion-content{padding:0 20px 20px 0;font-size:14px;}
  .cta-block{margin-top:var(--sec);padding:32px 22px;border-radius:18px;}
  .cta-copy h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:16px;bottom:16px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1C6EF2;
  --c-primary-dark:#1257C8;
  --c-primary-soft:#E8F1FF;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFF1EA;
  --c-ok:#14B87A;
  --c-mute:#8A94A6;
  --t-1:#16202E;
  --t-2:#5B6B80;
  --t-3:#8A94A6;
  --bg-page:#F5F8FD;
  --bg-card:#FFFFFF;
  --line:#E4EDF7;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(22,52,98,.06);
  --sh-2:0 16px 40px rgba(22,52,98,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --g-lg:88px;
  --g-md:64px;
  --g-sm:48px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto 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(--t-1);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;background:#E8F1FF;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--c-primary-dark);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--t-1);}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(28,110,242,.35);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--g-lg) 0;}
.section--tight{padding:calc(var(--g-lg) * .62) 0;}
.section--soft{background:linear-gradient(180deg,#F0F6FF 0%,#FFFFFF 100%);}
.band-dark{
  background:#16202E;
  color:#E8F1FF;
  border-radius:24px;
  padding:48px 40px;
}
.band-dark h2,.band-dark h3{color:#FFFFFF;}

/* ============ 顶部活动条 ============ */
.topbar{
  background:var(--c-primary-soft);
  color:var(--c-primary-dark);
  font-size:13px;
  min-height:38px;
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:38px;
}
.topbar-status{display:inline-flex;align-items:center;gap:8px;font-weight:600;white-space:nowrap;}
.dot-live{
  width:8px;height:8px;border-radius:50%;
  background:var(--c-ok);
  box-shadow:0 0 0 4px rgba(20,184,122,.16);
}
.topbar-count{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.4px;
}
.topbar-count .num{
  font-family:Inter,"SFMono-Regular",Consolas,monospace;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 7px;
  font-weight:600;
  color:var(--t-1);
}
.topbar-close{
  background:transparent;
  border:1px solid rgba(18,87,200,.22);
  color:var(--c-primary-dark);
  width:24px;height:24px;
  border-radius:50%;
  line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;
  transition:background var(--dur) var(--ease);
}
.topbar-close:hover{background:rgba(28,110,242,.12);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(22,52,98,.08);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:70px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;
  border-radius:11px;
  background:var(--c-primary);
  color:#FFFFFF;
  font-family:Inter,system-ui,sans-serif;
  font-weight:700;
  font-size:15px;
  letter-spacing:-.5px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(28,110,242,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;color:var(--t-1);font-weight:700;letter-spacing:-.2px;}
.brand-text span{font-size:11px;color:var(--t-3);letter-spacing:1px;}

.nav-main{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-main a{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--r-pill);
  color:var(--t-2);
  font-size:14.5px;
  font-weight:500;
  white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-main a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.nav-main a.is-active{
  background:var(--c-primary-soft);
  color:var(--c-primary-dark);
  font-weight:600;
}
.header-side{display:flex;align-items:center;gap:14px;margin-left:auto;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:var(--t-2);
  background:#F2F7FF;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:5px 12px;
  white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  padding:0 22px;
  height:46px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{background:var(--c-accent);color:#FFFFFF;box-shadow:0 8px 20px rgba(255,122,69,.26);}
.btn-primary:hover{background:#F26A34;color:#FFFFFF;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#FFFFFF;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.btn-ghost{background:#F2F7FF;color:var(--c-primary-dark);border-color:transparent;}
.btn-ghost:hover{background:var(--c-primary-soft);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{background:#E7ECF4;color:var(--c-mute);box-shadow:none;cursor:not-allowed;}
.hamburger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#FFFFFF;
  border-radius:12px;
  align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--t-1);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:linear-gradient(180deg,#F0F6FF 0%,#FFFFFF 100%);
  padding:56px 0 var(--g-md);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center right;
  opacity:.14;
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.94) 0%,rgba(240,246,255,.78) 55%,rgba(255,255,255,.72) 100%);
}
.hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:6px;
  font-size:13px;color:var(--t-3);
  margin-bottom:22px;
}
.crumbs a{color:var(--t-2);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:#C3CFDF;}
.crumbs .current{color:var(--t-3);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:1px;color:var(--c-primary-dark);
  font-weight:600;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);border-radius:2px;}
.hero h1{
  font-size:44px;
  line-height:1.25;
  letter-spacing:-.5px;
  font-weight:700;
  margin-bottom:16px;
  max-width:15em;
}
.hero-sub{
  font-size:17px;
  color:var(--t-2);
  max-width:36em;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;
  border-top:1px solid var(--line);
  padding-top:22px;
}
.hero-stats .stat strong{
  display:block;
  font-family:Inter,system-ui,sans-serif;
  font-size:26px;
  font-weight:700;
  color:var(--c-primary-dark);
  line-height:1.2;
}
.hero-stats .stat span{font-size:12.5px;color:var(--t-3);letter-spacing:.3px;}
.hero-visual{
  position:relative;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-1);
  padding:16px;
}
.hero-visual img{
  width:100%;
  border-radius:var(--r-img);
  aspect-ratio:16/11;
  object-fit:cover;
}
.hero-visual .float-badge{
  position:absolute;
  left:-8px;
  bottom:26px;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  padding:8px 16px 8px 12px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;
  color:var(--t-2);
}
.hero-visual .float-badge i{
  width:8px;height:8px;border-radius:50%;background:var(--c-ok);display:inline-block;
}
.hero-visual .visual-cap{
  font-size:12.5px;color:var(--t-3);text-align:center;margin-top:12px;
}

/* ============ 通用板块头 ============ */
.section-head{margin-bottom:36px;max-width:46em;}
.section-head h2{font-size:30px;letter-spacing:-.3px;margin-bottom:12px;}
.section-head p{color:var(--t-2);font-size:15.5px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 设备卡片 ============ */
.device-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.device-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px 24px;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D5E4F8;}
.device-icon{
  width:46px;height:46px;
  border-radius:13px;
  background:var(--c-primary-soft);
  color:var(--c-primary-dark);
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.device-icon svg{width:24px;height:24px;}
.device-card h3{font-size:18px;margin-bottom:10px;}
.device-card p{font-size:14px;color:var(--t-2);line-height:1.8;margin-bottom:16px;}
.device-meta{
  display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px;
}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;
  letter-spacing:.3px;
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:#F2F7FF;
  color:var(--t-2);
  border:1px solid var(--line);
}
.tag-blue{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:#CFE1FF;}
.tag-orange{background:var(--c-accent-soft);color:#D2541F;border-color:#FFDCCB;}
.tag-green{background:rgba(20,184,122,.1);color:#0E8C5C;border-color:rgba(20,184,122,.24);}
.tag-gray{background:#F1F4F9;color:var(--c-mute);border-color:#E4E9F1;}
.device-card .device-cta{margin-top:auto;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.device-card .device-cta::after{content:"→";transition:transform var(--dur) var(--ease);}
.device-card .device-cta:hover::after{transform:translateX(4px);}

/* ============ 安装步骤 ============ */
.steps-wrap{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-1);
  padding:40px 44px;
}
.steps{position:relative;}
.step{
  position:relative;
  display:grid;
  grid-template-columns:56px 1fr;
  gap:22px;
  padding-bottom:34px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";
  position:absolute;
  left:27px;top:56px;bottom:0;
  width:2px;
  background:linear-gradient(180deg,#CFE1FF 0%,#E8F1FF 100%);
}
.step:last-child::before{display:none;}
.step-num{
  width:56px;height:56px;
  border-radius:50%;
  background:var(--c-primary-soft);
  color:var(--c-primary-dark);
  font-family:Inter,system-ui,sans-serif;
  font-weight:700;
  font-size:17px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid #CFE1FF;
  position:relative;z-index:1;
}
.step-body h3{font-size:18px;margin:6px 0 8px;}
.step-body p{font-size:14.5px;color:var(--t-2);margin-bottom:10px;}
.step-body ul.bullets li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--t-2);
  margin-bottom:6px;
}
.step-body ul.bullets li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);
}

/* ============ 参数对比表 ============ */
.table-wrap{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.spec-table{width:100%;border-collapse:collapse;margin:0;}
.spec-table thead th{
  background:#F2F7FF;
  color:var(--t-2);
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
  text-align:left;
  padding:15px 22px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.spec-table tbody td{
  padding:17px 22px;
  font-size:14.5px;
  color:var(--t-2);
  border-bottom:1px solid #EEF4FB;
  vertical-align:top;
}
.spec-table tbody tr:nth-child(even){background:#FAFCFF;}
.spec-table tbody tr:hover{background:#F2F7FF;}
.spec-table tbody tr:last-child td{border-bottom:none;}
.spec-table td:first-child{color:var(--t-1);font-weight:600;}
.spec-table .cell-note{display:block;font-size:12.5px;color:var(--t-3);margin-top:4px;}

/* ============ 检查清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.check-card{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--sh-1);
  display:flex;gap:16px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.check-card .check-ico{
  flex:0 0 34px;
  width:34px;height:34px;
  border-radius:10px;
  background:rgba(20,184,122,.12);
  color:#0E8C5C;
  display:flex;align-items:center;justify-content:center;
}
.check-card .check-ico svg{width:18px;height:18px;}
.check-card h3{font-size:16.5px;margin-bottom:8px;}
.check-card p{font-size:14px;color:var(--t-2);margin:0;}
.notice-bar{
  margin-top:24px;
  background:var(--c-accent-soft);
  border:1px solid #FFDCCB;
  border-radius:var(--r-card);
  padding:20px 26px;
  display:flex;gap:14px;align-items:flex-start;
}
.notice-bar .notice-ico{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--c-accent);color:#FFF;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:4px;
}
.notice-bar p{font-size:14.5px;color:#8A4319;margin:0;line-height:1.8;}

/* ============ 图文横卡 ============ */
.feature-row{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.feature-card{
  display:grid;
  grid-template-columns:180px 1fr;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.feature-card .feature-img{overflow:hidden;background:#E8F1FF;}
.feature-card .feature-img img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform var(--dur) var(--ease);
}
.feature-card:hover .feature-img img{transform:scale(1.03);}
.feature-card .feature-body{padding:24px 24px;}
.feature-card h3{font-size:17px;margin-bottom:10px;}
.feature-card p{font-size:14px;color:var(--t-2);margin-bottom:14px;}

/* ============ FAQ ============ */
.faq-shell{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:12px 26px;
  max-width:900px;
  margin:0 auto;
}
.accordion{border:none;background:transparent;margin:0;}
.accordion .accordion-item{border:none;}
.accordion .accordion-title{
  display:flex;align-items:center;gap:14px;
  padding:22px 0;
  font-size:16px;
  font-weight:600;
  color:var(--t-1);
  border-bottom:1px solid #EEF4FB;
  background:transparent;
  transition:color var(--dur) var(--ease);
}
.accordion .accordion-title:hover{color:var(--c-primary-dark);}
.accordion .accordion-title::before{
  content:"+";
  order:2;
  margin-left:auto;
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;
  font-weight:500;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.accordion .accordion-title[aria-expanded="true"]::before{transform:rotate(45deg);background:var(--c-primary-soft);}
.accordion .accordion-title::after{display:none;}
.accordion .accordion-content{
  padding:18px 0 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--t-2);
  border-bottom:1px solid #EEF4FB;
}
.accordion .accordion-item:last-child .accordion-title{border-bottom:none;}
.accordion .accordion-item.is-active:last-child .accordion-content{border-bottom:none;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  background:#1257C8;
  border-radius:24px;
  padding:48px 48px;
  color:#FFFFFF;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.25fr 1fr;
  gap:36px;
  align-items:center;
}
.cta-band::after{
  content:"";
  position:absolute;right:-60px;top:-60px;
  width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.07);
}
.cta-band h2{color:#FFFFFF;font-size:28px;margin-bottom:12px;position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin:0;position:relative;z-index:1;}
.cta-side{position:relative;z-index:1;}
.cta-count{
  display:flex;align-items:center;gap:8px;
  margin-bottom:16px;
  font-size:12.5px;
  color:rgba(255,255,255,.85);
}
.cta-count .num{
  font-family:Inter,monospace;
  background:rgba(255,255,255,.16);
  border-radius:6px;
  padding:3px 8px;
  font-weight:700;
  color:#FFFFFF;
}
.cta-side .cta-btns{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:12px;}
.cta-side .btn-outline{background:transparent;color:#FFFFFF;border-color:rgba(255,255,255,.6);}
.cta-side .btn-outline:hover{background:rgba(255,255,255,.14);color:#FFFFFF;}
.cta-side small{display:block;font-size:12px;color:rgba(255,255,255,.7);line-height:1.7;}

/* ============ 分页 / 面包屑辅助件 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:32px;}
.pager a,.pager span{
  min-width:38px;height:38px;
  padding:0 12px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#FFFFFF;
  color:var(--t-2);
  font-size:14px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:all var(--dur) var(--ease);
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);}
.pager .is-current{background:var(--c-primary);border-color:var(--c-primary);color:#FFFFFF;font-weight:600;}

/* ============ 页脚 ============ */
.site-footer{
  background:#16202E;
  color:#A9B7CC;
  padding:64px 0 26px;
  margin-top:var(--g-lg);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-text strong{color:#FFFFFF;}
.footer-brand .brand-text span{color:#7C8CA6;}
.footer-brand p{margin-top:18px;font-size:13.5px;line-height:1.9;color:#8A9AB2;max-width:26em;}
.footer-col h4{font-size:14px;color:#FFFFFF;margin-bottom:18px;letter-spacing:.4px;}
.footer-col a{
  display:block;
  font-size:14px;
  color:#9BABC2;
  padding:7px 0;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-col a:hover{color:#FFFFFF;transform:translateX(3px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;
  font-size:12.5px;
  color:#7C8CA6;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;bottom:28px;
  width:46px;height:46px;
  border-radius:50%;
  background:#FFFFFF;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  color:var(--c-primary-dark);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:all var(--dur) var(--ease);
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-soft);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero h1{font-size:38px;}
  .device-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .section{padding:var(--g-md) 0;}
  .hero{padding:40px 0 var(--g-sm);}
  .hero h1{font-size:32px;}
  .header-inner{min-height:62px;gap:16px;}
  .hamburger{display:inline-flex;}
  .header-side .status-chip{display:none;}
  .header-side .btn-primary{display:none;}
  .nav-main{
    position:fixed;
    top:0;right:0;
    width:280px;
    max-width:84vw;
    height:100vh;
    background:#FFFFFF;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:88px 22px 32px;
    box-shadow:-16px 0 40px rgba(22,52,98,.14);
    transform:translateX(102%);
    transition:transform var(--dur) var(--ease);
    overflow-y:auto;
    z-index:80;
    margin-left:0;
  }
  .nav-main.is-open{transform:translateX(0);}
  .nav-main a{
    height:48px;
    border-radius:12px;
    font-size:15px;
    justify-content:flex-start;
  }
  .steps-wrap{padding:32px 26px;}
  .check-grid{grid-template-columns:1fr;}
  .feature-row{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .spec-table thead{display:none;}
  .spec-table tbody tr{
    display:block;
    border-bottom:1px solid var(--line);
    padding:14px 20px;
  }
  .spec-table tbody tr:last-child{border-bottom:none;}
  .spec-table tbody td{
    display:flex;
    gap:14px;
    justify-content:space-between;
    border-bottom:none;
    padding:7px 0;
    font-size:14px;
  }
  .spec-table tbody td::before{
    content:attr(data-label);
    color:var(--t-3);
    font-size:12.5px;
    flex:0 0 96px;
  }
  .spec-table td:first-child{font-weight:600;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:var(--g-sm) 0;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:22px;}
  .hero-stats .stat strong{font-size:22px;}
  .section-head h2{font-size:22px;}
  .device-grid{grid-template-columns:1fr;}
  .step{grid-template-columns:44px 1fr;gap:16px;}
  .step-num{width:44px;height:44px;font-size:15px;}
  .step::before{left:21px;top:44px;}
  .steps-wrap{padding:26px 20px;}
  .feature-card{grid-template-columns:1fr;}
  .feature-card .feature-img img{aspect-ratio:16/9;}
  .cta-band h2{font-size:22px;}
  .cta-side .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .to-top{right:16px;bottom:18px;}
  .faq-shell{padding:6px 18px;}
  .accordion .accordion-title{font-size:15px;padding:18px 0;}
  .hero-visual .float-badge{left:8px;bottom:14px;font-size:12px;}
}

/* roulang page: category3 */
:root{
  --blue:#1C6EF2;
  --blue-dark:#1257C8;
  --blue-light:#E8F1FF;
  --orange:#FF7A45;
  --orange-light:#FFF1EA;
  --green:#14B87A;
  --gray-state:#8A94A6;
  --ink:#16202E;
  --ink-2:#5B6B80;
  --ink-3:#8A94A6;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --line:#E4EDF7;
  --maxw:1200px;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-sm:0 8px 24px rgba(22,52,98,.06);
  --sh-lg:0 16px 40px rgba(22,52,98,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap-sec:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto 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:1.8;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;border-radius:var(--r-img);background:var(--blue-light)}
a{color:var(--blue);text-decoration:none;transition:color .22s var(--ease)}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:600}
h1{font-size:42px;line-height:1.25;letter-spacing:-.5px;font-weight:700}
h2{font-size:30px}
h3{font-size:20px;line-height:1.5}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:3px solid rgba(28,110,242,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.row{max-width:var(--maxw);margin-left:auto;margin-right:auto}
.section{padding:var(--gap-sec) 0}
.section.tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:1px;
  color:var(--blue);font-weight:600;margin-bottom:14px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--blue);border-radius:2px;display:inline-block}
.eyebrow.light{color:#9FC4FF}
.eyebrow.light::before{background:#9FC4FF}
.lead{font-size:17px;color:var(--ink-2);line-height:1.9}
.muted{color:var(--ink-3);font-size:13px}

/* 顶部活动条 */
.promo-bar{
  background:var(--blue-light);border-bottom:1px solid var(--line);
  font-size:13px;color:var(--blue-dark);min-height:38px;display:flex;align-items:center;
}
.promo-bar.is-hidden{display:none}
.promo-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.promo-status{display:inline-flex;align-items:center;gap:8px;font-weight:600;white-space:nowrap}
.promo-status .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(20,184,122,.16)}
.promo-clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.clock-cell{
  display:inline-flex;align-items:baseline;gap:2px;background:#fff;border:1px solid #D6E5FB;
  border-radius:8px;padding:2px 8px;font-weight:700;color:var(--ink);
  font-family:Inter,"PingFang SC",system-ui,sans-serif;
}
.clock-cell em{font-style:normal;font-size:11px;color:var(--ink-3);font-weight:500}
.promo-close{
  width:26px;height:26px;border-radius:50%;color:var(--blue-dark);font-size:18px;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:background .2s var(--ease);
}
.promo-close:hover{background:#D6E5FB}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid transparent;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(22,52,98,.08);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
  letter-spacing:.5px;box-shadow:0 6px 16px rgba(28,110,242,.28);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;color:var(--ink);letter-spacing:-.2px}
.brand-text span{font-size:12px;letter-spacing:1px;color:var(--ink-3)}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-main a{
  padding:9px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--ink-2);
  font-weight:500;white-space:nowrap;transition:background .22s var(--ease),color .22s var(--ease);
}
.nav-main a:hover{background:var(--blue-light);color:var(--blue-dark);text-decoration:none}
.nav-main a.is-active{background:var(--blue-light);color:var(--blue-dark);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--green);
  background:rgba(20,184,122,.1);border:1px solid rgba(20,184,122,.24);
  padding:5px 11px;border-radius:var(--r-pill);font-weight:600;white-space:nowrap;
}
.status-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--green)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 20px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:12px 24px;font-size:15px;color:var(--ink-2);font-weight:500;
}
.mobile-drawer a.is-active{color:var(--blue-dark);background:var(--blue-light);font-weight:600}
.mobile-drawer a:hover{text-decoration:none;background:var(--blue-light)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .22s var(--ease);white-space:nowrap;line-height:1;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.26)}
.btn-primary:hover{background:#F26A32;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--blue);border-color:var(--blue)}
.btn-outline:hover{background:var(--blue-light)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost-light:hover{background:rgba(255,255,255,.14)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-more{font-weight:600;font-size:14px}
.link-more:hover{text-decoration:underline}

/* 面包屑 */
.crumbs{padding:22px 0 0;font-size:13px;color:var(--ink-3)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.crumbs li{display:inline-flex;align-items:center;gap:6px}
.crumbs li+li::before{content:"〉";color:#C3CEDD;font-size:11px}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--blue)}
.crumbs .current{color:var(--ink-3)}

/* 英雄区 */
.hero{
  position:relative;padding:44px 0 72px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(240,246,255,.94),rgba(255,255,255,.98)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:auto -120px -160px auto;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(28,110,242,.10),transparent 68%);
}
.hero-row{position:relative;z-index:2}
.hero-copy{padding-right:24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tag-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.4px;
  padding:5px 12px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.tag-chip.blue{background:var(--blue-light);border-color:#CFE1FB;color:var(--blue-dark)}
.tag-chip.orange{background:var(--orange-light);border-color:#FFDCCD;color:#D9541F}
.hero h1{margin-bottom:16px}
.hero-sub{font-size:18px;color:var(--ink-2);margin-bottom:14px;font-weight:500}
.hero-desc{font-size:16px;color:var(--ink-2);max-width:560px;line-height:1.9}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;border-top:1px solid var(--line);padding-top:22px}
.stat-item strong{
  display:block;font-size:26px;font-weight:700;color:var(--ink);letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;font-family:Inter,"PingFang SC",system-ui,sans-serif;
}
.stat-item span{font-size:13px;color:var(--ink-3)}
.hero-visual{position:relative}
.hero-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-lg);overflow:hidden;
}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.hero-card-body{padding:22px 24px 24px}
.hero-card-body h3{font-size:18px;margin-bottom:8px}
.hero-card-body p{font-size:14px;color:var(--ink-2);margin:0}
.floating-badge{
  position:absolute;right:-8px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--sh-lg);padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.floating-badge .badge-num{
  font-size:22px;font-weight:700;color:var(--orange);font-variant-numeric:tabular-nums;
  font-family:Inter,"PingFang SC",system-ui,sans-serif;line-height:1;
}
.floating-badge .badge-txt{font-size:12px;color:var(--ink-3);line-height:1.5}

/* 时间轴 */
.band-white{background:#fff}
.timeline{position:relative;list-style:none;margin:0;padding:0}
.timeline::before{
  content:"";position:absolute;left:118px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,#D8E6FB,#E8F1FF);border-radius:2px;
}
.tl-item{position:relative;display:grid;grid-template-columns:118px 1fr;gap:0 34px;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:112px;top:30px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--blue);z-index:2;
}
.tl-dot.green{border-color:var(--green)}
.tl-dot.blue{border-color:var(--blue)}
.tl-dot.gray{border-color:var(--gray-state)}
.tl-time{text-align:right;padding-top:24px}
.tl-date{
  display:block;font-weight:700;font-size:14px;color:var(--ink);font-variant-numeric:tabular-nums;
  font-family:Inter,"PingFang SC",system-ui,sans-serif;line-height:1.6;
}
.tl-range{display:block;font-size:12px;color:var(--ink-3);letter-spacing:.3px}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-sm);transition:all .22s var(--ease);
}
.tl-card:hover{box-shadow:var(--sh-lg);transform:translateY(-4px)}
.tl-card h3{margin-bottom:10px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tl-card p{color:var(--ink-2);font-size:15px;margin-bottom:14px}
.tl-points{display:grid;gap:8px;margin-bottom:16px}
.tl-points li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-2)}
.tl-points li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;
  background:var(--blue-light);border:2px solid var(--blue);
}
.tl-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;border-top:1px dashed var(--line);padding-top:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:var(--r-pill);letter-spacing:.3px;
}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.tag-green{background:rgba(20,184,122,.12);color:#0E9A64}
.tag-blue{background:var(--blue-light);color:var(--blue-dark)}
.tag-gray{background:#EFF2F7;color:var(--gray-state)}

/* 状态标签体系 */
.state-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.state-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-sm);transition:all .22s var(--ease);border-top:3px solid var(--blue);
}
.state-card.g{border-top-color:var(--green)}
.state-card.b{border-top-color:var(--blue)}
.state-card.n{border-top-color:var(--gray-state)}
.state-card:hover{box-shadow:var(--sh-lg);transform:translateY(-4px)}
.state-card h3{font-size:18px;margin:14px 0 10px}
.state-card p{font-size:14px;color:var(--ink-2);margin:0}
.state-ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--blue-light);color:var(--blue);font-weight:700;font-size:16px;
}
.state-card.g .state-ico{background:rgba(20,184,122,.12);color:#0E9A64}
.state-card.n .state-ico{background:#EFF2F7;color:var(--gray-state)}
.state-note{
  margin-top:24px;display:flex;gap:14px;align-items:flex-start;
  background:var(--orange-light);border:1px solid #FFDCCD;border-radius:14px;padding:18px 22px;
}
.state-note strong{color:#D9541F;font-size:14px}
.state-note p{margin:0;font-size:14px;color:var(--ink-2)}

/* 倒计时深色带 */
.band-dark{
  background:#16202E;color:#fff;position:relative;overflow:hidden;
}
.band-dark::before{
  content:"";position:absolute;left:-160px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(28,110,242,.32),transparent 66%);
}
.band-dark .section-head{margin-bottom:34px;position:relative;z-index:2}
.band-dark h2{color:#fff}
.band-dark .lead{color:#A9B7CC}
.count-wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.count-boxes{display:flex;gap:16px;flex-wrap:wrap}
.count-box{
  min-width:104px;flex:1 1 104px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:18px 12px;text-align:center;
}
.count-box b{
  display:block;font-size:38px;font-weight:700;color:#fff;line-height:1.1;
  font-family:Inter,"PingFang SC",system-ui,sans-serif;font-variant-numeric:tabular-nums;
}
.count-box span{font-size:12px;color:#9AA9BF;letter-spacing:.5px}
.count-side{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:26px}
.count-side h3{color:#fff;font-size:18px;margin-bottom:10px}
.count-side p{font-size:14px;color:#A9B7CC;margin-bottom:18px}
.count-side .btn+.btn{margin-left:10px}
.count-side .cta-note{font-size:12px;color:#8A94A6;margin:14px 0 0}

/* 图文横卡 */
.hcard{
  display:grid;grid-template-columns:300px 1fr;gap:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);transition:all .22s var(--ease);
  margin-bottom:24px;
}
.hcard:last-child{margin-bottom:0}
.hcard:hover{box-shadow:var(--sh-lg);transform:translateY(-4px)}
.hcard-media{overflow:hidden}
.hcard-media img{width:100%;height:100%;min-height:220px;object-fit:cover;border-radius:0;transition:transform .3s var(--ease)}
.hcard:hover .hcard-media img{transform:scale(1.03)}
.hcard-body{padding:28px 30px}
.hcard-body h3{margin:12px 0 10px}
.hcard-body p{color:var(--ink-2);font-size:15px;margin-bottom:16px}
.hcard-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3)}
.hcard-meta .sep{width:1px;height:12px;background:var(--line)}
.hcard-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* 参与步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-sm);position:relative;
}
.step-num{
  font-size:13px;font-weight:700;color:var(--blue);letter-spacing:1px;font-variant-numeric:tabular-nums;
  font-family:Inter,"PingFang SC",system-ui,sans-serif;
}
.step h3{font-size:17px;margin:10px 0 8px}
.step p{font-size:14px;color:var(--ink-2);margin:0}

/* FAQ */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 22px;box-shadow:var(--sh-sm)}
.accordion{background:transparent;border:none;margin:0;list-style:none}
.accordion .accordion-item{
  border:none;border-bottom:1px solid var(--line);background:transparent;margin:0;
}
.accordion .accordion-item:last-child{border-bottom:none}
.accordion .accordion-title{
  position:relative;display:block;padding:20px 44px 20px 0;font-size:16px;font-weight:600;
  color:var(--ink);background:transparent;border:none;line-height:1.6;
}
.accordion .accordion-title:hover{background:transparent;color:var(--blue-dark);text-decoration:none}
.accordion .accordion-title::before{display:none}
.accordion .accordion-title::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;background:var(--blue-light);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:600;
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::after{
  content:"−";background:var(--blue);color:#fff;transform:translateY(-50%) rotate(180deg);
}
.accordion .accordion-content{
  padding:0 44px 20px 0;border:none;background:transparent;color:var(--ink-2);
  font-size:15px;line-height:1.85;
}
.accordion .accordion-content p{margin:0 0 10px}
.accordion .accordion-content p:last-child{margin:0}

/* 搜索/反馈条 */
.feedback{
  display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;
  background:var(--blue-light);border:1px solid #CFE1FB;border-radius:18px;padding:22px 26px;
}
.feedback p{margin:0;font-size:14px;color:var(--blue-dark);font-weight:600}
.search-form{display:flex;gap:10px}
.search-form input{
  height:44px;border-radius:var(--r-btn);border:1px solid #C9DDFA;background:#fff;
  padding:0 16px;min-width:260px;color:var(--ink);transition:all .2s var(--ease);
}
.search-form input::placeholder{color:var(--ink-3);font-size:14px}
.search-form input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(28,110,242,.18)}

/* CTA 区 */
.cta-band{background:var(--blue-dark);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-140px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.28),transparent 66%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.cta-inner h2{color:#fff;margin-bottom:12px}
.cta-inner p{color:#CBDCF7;font-size:15px;margin:0}
.cta-action{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:18px;padding:26px;
}
.cta-mini-clock{
  display:flex;align-items:baseline;gap:8px;font-variant-numeric:tabular-nums;margin-bottom:16px;
  font-family:Inter,"PingFang SC",system-ui,sans-serif;color:#fff;
}
.cta-mini-clock b{font-size:30px;font-weight:700;line-height:1}
.cta-mini-clock i{font-style:normal;font-size:12px;color:#9FC4FF}
.cta-actions-row{display:flex;gap:12px;flex-wrap:wrap}
.cta-note-light{font-size:12px;color:#A9C2E8;margin:14px 0 0}

/* 页脚 */
.site-footer{background:#16202E;color:#A9B7CC;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text span{color:#8A94A6}
.footer-brand p{margin:18px 0 0;font-size:14px;color:#8FA0B8;max-width:320px;line-height:1.85}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:18px;letter-spacing:.4px}
.footer-col a{display:block;font-size:14px;color:#A9B7CC;padding:6px 0;transition:color .22s var(--ease)}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:12px;color:#7C8CA3;
}
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-lg);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:18px;z-index:70;
  opacity:0;visibility:hidden;transition:all .24s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);background:var(--blue-light)}

/* 响应式 */
@media screen and (max-width:1199px){
  h1{font-size:36px}
  h2{font-size:26px}
  :root{--gap-sec:72px}
  .hero-copy{padding-right:0}
}
@media screen and (max-width:991px){
  .nav-main{display:none}
  .nav-toggle{display:flex}
  .header-actions .status-chip{display:none}
  .state-grid,.steps{grid-template-columns:1fr 1fr}
  .count-wrap{grid-template-columns:1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .hero{padding:34px 0 56px}
  .hero-stats{gap:28px}
  .feedback{grid-template-columns:1fr}
  .search-form input{min-width:0;width:100%}
  .search-form{flex-wrap:wrap}
}
@media screen and (max-width:767px){
  :root{--gap-sec:52px}
  h1{font-size:28px}
  h2{font-size:22px}
  h3{font-size:18px}
  .container{padding:0 20px}
  .header-inner{min-height:64px;gap:12px}
  .brand-mark{width:36px;height:36px;border-radius:10px;font-size:15px}
  .brand-text strong{font-size:15px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:24px;justify-content:space-between}
  .stat-item strong{font-size:22px}
  .floating-badge{position:static;margin-top:16px;justify-content:flex-start}
  .timeline::before{left:7px}
  .tl-item{grid-template-columns:1fr;gap:10px;padding-left:26px}
  .tl-dot{left:1px;top:24px}
  .tl-time{text-align:left;padding-top:6px}
  .state-grid,.steps{grid-template-columns:1fr}
  .hcard{grid-template-columns:1fr}
  .hcard-media img{min-height:180px}
  .hcard-body{padding:22px}
  .count-boxes{gap:12px}
  .count-box b{font-size:30px}
  .cta-actions-row .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:18px}
  .promo-clock .clock-cell:nth-child(3){display:none}
  .promo-clock .clock-cell em{display:none}
}
@media screen and (max-width:520px){
  .promo-status{font-size:12px}
  .count-box{min-width:72px;padding:14px 8px}
  .count-box b{font-size:24px}
}

/* roulang page: category4 */
:root{
  --blue:#1C6EF2;
  --blue-d:#1257C8;
  --blue-l:#E8F1FF;
  --orange:#FF7A45;
  --orange-l:#FFF1EA;
  --green:#14B87A;
  --green-l:#E7F8F1;
  --gray:#8A94A6;
  --gray-l:#EFF2F7;
  --ink:#16202E;
  --ink-2:#5B6B80;
  --ink-3:#8A94A6;
  --bg:#F5F8FD;
  --surface:#FFFFFF;
  --line:#E4EDF7;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(22,52,98,.06);
  --sh-hover:0 16px 40px rgba(22,52,98,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:88px;
  --gap-s:16px;
  --gap-m:24px;
  --gap-l:32px;
  --maxw:1200px;
}
*,*::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","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--blue);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--blue-d);text-decoration:underline;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.35;font-weight:600;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;padding:0;}
:focus-visible{outline:3px solid rgba(28,110,242,.32);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.row{max-width:var(--maxw);}
.section{padding:var(--sec) 0;}
.section--tight{padding:64px 0;}
.section--soft{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:var(--gap-l);}
.section-head .eyebrow{margin-bottom:12px;}
.section-head h2{font-size:30px;letter-spacing:-.3px;}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:1px;color:var(--blue);font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--blue);border-radius:2px;}

/* ---------- 顶部活动条 ---------- */
.topbar{
  background:var(--blue-d);
  color:#fff;
  font-size:13px;
  letter-spacing:.3px;
}
.topbar .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:40px;
}
.topbar-status{display:inline-flex;align-items:center;gap:8px;font-weight:600;}
.dot-live{width:8px;height:8px;border-radius:50%;background:#6DF0B8;box-shadow:0 0 0 4px rgba(109,240,184,.18);}
.countdown{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;font-family:Inter,"SFMono-Regular",Consolas,monospace;}
.countdown b{
  min-width:34px;text-align:center;padding:3px 6px;border-radius:8px;
  background:rgba(255,255,255,.16);font-weight:600;font-size:13px;
}
.topbar-close{
  width:26px;height:26px;border-radius:50%;color:#fff;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.14);transition:background .22s var(--ease);
}
.topbar-close:hover{background:rgba(255,255,255,.28);}
.topbar.is-hidden{display:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(22,52,98,.08);background:#fff;}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--blue);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.5px;flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;color:var(--ink);font-weight:700;letter-spacing:.2px;}
.brand-text span{font-size:12px;color:var(--ink-3);letter-spacing:1px;}
.nav-main{display:flex;align-items:center;gap:6px;flex:1;flex-wrap:wrap;}
.nav-main a{
  display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);font-weight:500;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.nav-main a:hover{background:var(--blue-l);color:var(--blue-d);text-decoration:none;}
.nav-main a.is-active{background:var(--blue-l);color:var(--blue-d);font-weight:600;}
.nav-side{display:flex;align-items:center;gap:14px;margin-left:auto;}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:var(--green);background:var(--green-l);
  padding:6px 12px;border-radius:var(--r-pill);font-weight:600;letter-spacing:.3px;
}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--green);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;text-decoration:none;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.24);}
.btn-primary:hover{background:#F96E36;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,69,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--blue);border:1px solid var(--blue);border-radius:var(--r-pill);}
.btn-ghost:hover{background:var(--blue-l);color:var(--blue-d);}
.btn-soft{background:var(--blue-l);color:var(--blue-d);}
.btn-soft:hover{background:#D8E7FF;color:var(--blue-d);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:14px 0;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--blue);}
.breadcrumb .sep{color:var(--ink-3);}
.breadcrumb .current{color:var(--ink-3);}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(240,246,255,.92) 52%,rgba(232,241,255,.82) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--line);
}
.cat-hero-inner{padding:72px 0 60px;}
.cat-hero h1{
  font-size:42px;font-weight:700;letter-spacing:-.5px;line-height:1.25;color:var(--ink);
  margin:14px 0 0;max-width:20em;
}
.cat-hero .lead{margin-top:18px;max-width:660px;color:var(--ink-2);font-size:16.5px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.5px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.tag--blue{background:var(--blue-l);color:var(--blue-d);border-color:transparent;}
.tag--orange{background:var(--orange-l);color:#D9531F;border-color:transparent;}
.tag--green{background:var(--green-l);color:#0E8A5B;border-color:transparent;}
.tag--gray{background:var(--gray-l);color:var(--ink-3);border-color:transparent;}
.hero-figures{display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(28,110,242,.14);}
.hero-figures div strong{display:block;font-size:26px;font-weight:700;color:var(--blue-d);font-variant-numeric:tabular-nums;letter-spacing:-.5px;}
.hero-figures div span{font-size:13px;color:var(--ink-2);}

/* ---------- 搜索区 ---------- */
.search-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:26px 28px;margin-top:-34px;position:relative;z-index:5;
}
.search-panel h2{font-size:18px;margin-bottom:6px;}
.search-panel p{font-size:14px;color:var(--ink-2);margin-bottom:16px;}
.search-form{display:flex;gap:12px;flex-wrap:wrap;}
.search-form input[type="search"]{
  flex:1 1 320px;height:46px;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 16px;font-size:14px;background:#FBFDFF;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-form input[type="search"]::placeholder{color:var(--ink-3);}
.search-form input[type="search"]:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(28,110,242,.16);background:#fff;
}
.search-hint{margin-top:12px;font-size:12px;color:var(--ink-3);}

/* ---------- FAQ 分组 ---------- */
.faq-layout{display:grid;grid-template-columns:260px 1fr;gap:34px;align-items:start;}
.faq-nav{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:22px;position:sticky;top:96px;
}
.faq-nav h3{font-size:15px;margin-bottom:14px;color:var(--ink);}
.faq-nav a{
  display:block;font-size:14px;color:var(--ink-2);padding:9px 12px;border-radius:10px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.faq-nav a:hover{background:var(--blue-l);color:var(--blue-d);text-decoration:none;}
.faq-nav .meta{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-3);}
.faq-group{margin-bottom:34px;}
.faq-group:last-child{margin-bottom:0;}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.group-num{
  width:32px;height:32px;border-radius:10px;background:var(--blue-l);color:var(--blue-d);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex:none;
  font-variant-numeric:tabular-nums;
}
.group-head h3{font-size:20px;}
.group-head .count{margin-left:auto;font-size:12px;color:var(--ink-3);}
.accordion{forder:none;border-radius:var(--r-card);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh);}
.accordion::before,.accordion::after{display:none;}
.accordion-item{border-bottom:1px solid var(--line);}
.accordion-item:last-child{border-bottom:none;}
.accordion-title{
  display:block;position:relative;padding:18px 56px 18px 22px;
  font-size:16px;font-weight:600;color:var(--ink);background:var(--surface);
  border:none;line-height:1.6;transition:color .22s var(--ease),background .22s var(--ease);
}
.accordion-title:hover{color:var(--blue-d);background:#FBFDFF;text-decoration:none;}
.accordion-title::before{
  content:"";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:16px;height:2px;background:var(--blue);border-radius:2px;
}
.accordion-title::after{
  content:"";position:absolute;right:29px;top:50%;transform:translateY(-50%);
  width:2px;height:16px;background:var(--blue);border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.accordion-title[aria-expanded="true"]{color:var(--blue-d);background:#FBFDFF;}
.accordion-title[aria-expanded="true"]::after{transform:translateY(-50%) rotate(90deg);opacity:0;}
.accordion-content{
  border:none;background:#FBFDFF;padding:0 22px 20px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}
.accordion-content p{margin-bottom:12px;}
.accordion-content p:last-child{margin-bottom:0;}
.accordion-content ol{padding-left:20px;list-style:decimal;margin-bottom:12px;}
.accordion-content ol li{margin-bottom:8px;}
.accordion-content ol li::marker{color:var(--blue);font-weight:600;}
.answer-note{
  display:block;margin-top:10px;font-size:13px;color:var(--ink-3);
  border-left:3px solid var(--blue);background:var(--blue-l);padding:10px 14px;border-radius:0 10px 10px 0;
}
.faq-empty{
  display:none;padding:26px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:var(--surface);text-align:center;color:var(--ink-3);font-size:14px;
}
.faq-empty.is-on{display:block;}

/* ---------- 支持入口卡 ---------- */
.support-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.support-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.support-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.support-media{aspect-ratio:16/8;background:var(--blue-l);overflow:hidden;}
.support-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease);}
.support-card:hover .support-media img{transform:scale(1.03);}
.support-body{padding:24px 26px 26px;}
.support-body h3{font-size:19px;margin-bottom:10px;}
.support-body p{font-size:15px;color:var(--ink-2);margin-bottom:16px;}
.mini-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.mini-list span{
  font-size:12px;color:var(--ink-2);background:var(--gray-l);
  border-radius:var(--r-pill);padding:5px 12px;
}

/* ---------- 状态说明条 ---------- */
.status-band{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);padding:26px 28px;}
.status-band h3{font-size:18px;margin-bottom:14px;}
.status-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.status-item{display:flex;gap:12px;align-items:flex-start;}
.status-item .icon{
  width:38px;height:38px;border-radius:12px;background:var(--blue-l);color:var(--blue-d);
  display:inline-flex;align-items:center;justify-content:center;flex:none;font-size:13px;font-weight:700;
}
.status-item strong{display:block;font-size:15px;margin-bottom:4px;}
.status-item p{font-size:13px;color:var(--ink-2);line-height:1.7;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--blue-d) 0%,#1B62D6 58%,#1C6EF2 100%);
  color:#fff;border-radius:22px;padding:44px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 20px 46px rgba(18,87,200,.22);
}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:10px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.82);max-width:56ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.cta-note{width:100%;font-size:12px;color:rgba(255,255,255,.72);margin-top:-8px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#16202E;color:#C9D4E4;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.3px;}
.footer-col a{display:block;color:#C9D4E4;font-size:14px;padding:6px 0;text-decoration:none;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text span{color:#8FB2E8;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#9FB0C6;max-width:34ch;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:#8A94A6;
}
.to-top{
  position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh);
  color:var(--blue-d);font-size:16px;display:inline-flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);z-index:70;
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease),box-shadow .22s var(--ease);
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{box-shadow:var(--sh-hover);text-decoration:none;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .faq-layout{grid-template-columns:1fr;}
  .faq-nav{position:static;}
  .faq-nav a{display:inline-block;margin:0 8px 8px 0;background:var(--blue-l);color:var(--blue-d);}
}
@media screen and (max-width:991px){
  :root{--sec:64px;}
  .cat-hero h1{font-size:34px;}
  .cat-hero-inner{padding:56px 0 48px;}
  .status-list{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-toggle{display:inline-flex;}
  .nav-main{
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    width:100%;padding:12px 0 18px;border-top:1px solid var(--line);margin-top:8px;
  }
  .nav-main.is-open{display:flex;}
  .nav-main a{padding:12px 14px;border-radius:12px;font-size:15px;}
  .header-inner{flex-wrap:wrap;min-height:68px;padding:6px 0;}
  .nav-side{order:3;}
  .nav-side .status-pill{display:none;}
}
@media screen and (max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 20px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero .lead{font-size:15.5px;}
  .section-head h2{font-size:22px;}
  .hero-figures{gap:20px;}
  .hero-figures div strong{font-size:22px;}
  .support-grid{grid-template-columns:1fr;}
  .status-list{grid-template-columns:1fr;}
  .cta-band{padding:30px 24px;border-radius:18px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn{width:100%;}
  .cta-actions{width:100%;}
  .search-panel{padding:20px;margin-top:-22px;}
  .search-form input[type="search"]{flex:1 1 100%;}
  .search-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .accordion-title{font-size:15px;padding:16px 52px 16px 18px;}
  .accordion-content{padding:0 18px 18px;}
  .topbar .container{flex-wrap:wrap;justify-content:center;gap:8px;padding:6px 0;}
  .topbar-status{font-size:12px;}
  .footer-bottom{flex-direction:column;}
  .to-top{right:16px;bottom:18px;}
}
@media screen and (max-width:520px){
  .cat-hero h1{font-size:24px;letter-spacing:-.2px;}
  .hero-tags{gap:8px;}
  .tag{font-size:11px;}
  .brand-text strong{font-size:15px;}
}