/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand:#1668D6;
  --brand-dark:#0F55B4;
  --brand-soft:#EAF2FE;
  --accent:#FF7A2F;
  --accent-soft:#FFF1E8;
  --teal:#17C3A2;
  --ink:#101C2B;
  --muted:#5B6B7E;
  --faint:#8A99AC;
  --line:#E3EAF3;
  --page:#F6F9FD;
  --card:#FFFFFF;
  --danger:#E5484D;
  --r-xl:20px;
  --r-lg:16px;
  --r-md:14px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(16,28,43,.05);
  --sh-card:0 1px 2px rgba(16,28,43,.05),0 8px 24px rgba(22,104,214,.08);
  --sh-hover:0 14px 32px rgba(22,104,214,.14);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
/* ============ reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--page);color:var(--ink);
  font-family:var(--font);font-size:16px;line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:var(--font);color:var(--ink);font-weight:700;line-height:1.35;margin:0 0 12px;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
img{max-width:100%;display:block;border-style:none;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}
/* ============ 容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media screen and (max-width:991px){.container{padding:0 24px;}}
@media screen and (max-width:767px){.container{padding:0 18px;}}
/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:0 1px 6px rgba(16,28,43,.04);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);font-size:17px;font-weight:700;letter-spacing:.2px;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1668D6,#3D8BF2);color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 6px 14px rgba(22,104,214,.24);
}
.brand-text b{color:var(--brand);font-weight:700;}
.nav-menu{display:flex;align-items:center;gap:30px;flex:1 1 auto;}
.nav-menu a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--muted);white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .18s ease;
}
.nav-menu a:hover{color:var(--brand);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--brand);font-weight:600;}
.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-side{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.nav-search{position:relative;}
.nav-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--faint);}
.nav-search input{
  width:196px;height:40px;border-radius:999px;border:1px solid transparent;background:#F3F7FC;
  padding:0 16px 0 38px;font-size:14px;color:var(--ink);transition:all .18s ease;
}
.nav-search input::placeholder{color:var(--faint);}
.nav-search input:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(22,104,214,.12);outline:none;}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;color:var(--ink);font-size:17px;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand);}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);padding:10px 0 20px;}
.mobile-panel.is-open{display:block;}
.mobile-panel a{display:block;padding:13px 4px;font-size:15px;color:var(--muted);border-bottom:1px solid #F1F5FA;}
.mobile-panel a:last-child{border-bottom:none;}
.mobile-panel a.is-active{color:var(--brand);font-weight:600;}
.mobile-panel .mp-search{margin:14px 0 6px;}
.mobile-panel .mp-search input{width:100%;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);background:#F7FAFE;padding:0 14px;font-size:14px;}
.mobile-panel .btn{width:100%;margin-top:12px;}
@media screen and (max-width:991px){
  .nav-menu,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{gap:14px;}
  .nav-side{gap:10px;}
}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .18s ease;white-space:nowrap;
}
.btn-pill{border-radius:999px;height:42px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(22,104,214,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 10px 22px rgba(22,104,214,.3);transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#BFD8F6;}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.24);}
.btn-accent:hover{background:#EE6614;color:#fff;transform:translateY(-1px);}
.btn-link{background:none;border:none;padding:0;height:auto;color:var(--brand);font-weight:600;font-size:15px;position:relative;}
.btn-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--brand);transform:scaleX(0);transition:transform .18s ease;}
.btn-link:hover::after{transform:scaleX(1);}
/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:5px;padding:3px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.7;white-space:nowrap;
}
.badge-brand{background:var(--brand-soft);color:var(--brand);}
.badge-accent{background:var(--accent-soft);color:#D65D14;}
.badge-teal{background:#E4F8F3;color:#0E9E82;}
.badge-grey{background:#F1F5FA;color:var(--muted);}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--muted);
  box-shadow:var(--sh-1);
}
.chip i{color:var(--brand);font-size:13px;}
/* ============ Hero ============ */
.hero{position:relative;background:#fff;padding:60px 0 68px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.07;pointer-events:none;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;right:-180px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,104,214,.12),rgba(22,104,214,0) 68%);pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:52px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero h1{font-size:clamp(28px,4.6vw,44px);line-height:1.25;font-weight:700;margin:0 0 18px;letter-spacing:-.2px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{font-size:16.5px;color:var(--muted);line-height:1.9;max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;}
.kv-frame{
  position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);
  box-shadow:0 18px 44px rgba(22,104,214,.18);aspect-ratio:16/9;background:var(--brand-soft);
}
.kv-frame img{width:100%;height:100%;object-fit:cover;}
.kv-caption{
  position:absolute;left:16px;bottom:16px;right:16px;padding:12px 16px;border-radius:12px;
  background:rgba(255,255,255,.94);font-size:13px;color:var(--muted);
  display:flex;align-items:center;gap:8px;backdrop-filter:blur(2px);
}
.kv-caption i{color:var(--brand);}
@media screen and (max-width:991px){
  .hero{padding:44px 0 52px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-lead{max-width:none;}
  .kv-caption{position:static;margin-top:-1px;border-radius:0 0 var(--r-xl) var(--r-xl);border:1px solid var(--line);border-top:none;}
}
@media screen and (max-width:767px){
  .hero{padding:32px 0 44px;}
  .hero h1{font-size:clamp(25px,7vw,32px);text-align:center;}
  .hero-tag{margin-left:auto;margin-right:auto;display:flex;width:fit-content;}
  .hero-lead{text-align:center;font-size:15.5px;}
  .hero-actions{justify-content:center;}
  .hero-actions .btn{width:100%;}
  .hero-trust{justify-content:center;}
}
/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-soft{background:linear-gradient(180deg,#FFF8F3 0%,#F6F9FD 100%);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;padding:4px 13px;border-radius:999px;background:var(--brand-soft);
  color:var(--brand);font-size:13px;font-weight:600;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);margin:0 0 12px;}
.section-head p{font-size:15.5px;color:var(--muted);line-height:1.9;margin:0;}
@media screen and (max-width:991px){.section{padding:56px 0;}}
@media screen and (max-width:767px){.section{padding:40px 0;}.section-head{margin-bottom:26px;}}
/* ============ 玩法流程 ============ */
.steps-wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.85fr);gap:48px;align-items:start;}
.step-list{display:flex;flex-direction:column;gap:16px;}
.step{
  display:flex;gap:18px;padding:20px 22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-card);transition:all .18s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#CFE1F9;}
.step-num{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.step-body h3{font-size:17px;font-weight:600;margin:0 0 6px;}
.step-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}
.steps-media{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-card);
  aspect-ratio:4/3;background:#fff;
}
.steps-media img{width:100%;height:100%;object-fit:cover;}
@media screen and (max-width:991px){
  .steps-wrap{grid-template-columns:1fr;gap:28px;}
  .steps-media{order:-1;aspect-ratio:16/9;}
}
/* ============ 奖励预览 ============ */
.reward-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.reward-card{
  display:flex;gap:18px;padding:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-card);transition:all .18s ease;
}
.reward-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#CFE1F9;}
.reward-thumb{flex:0 0 86px;width:86px;height:86px;border-radius:12px;overflow:hidden;aspect-ratio:1/1;background:var(--brand-soft);}
.reward-thumb img{width:100%;height:100%;object-fit:cover;}
.reward-body{min-width:0;display:flex;flex-direction:column;gap:6px;}
.reward-body h3{font-size:16.5px;font-weight:600;margin:0;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.reward-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;}
.reward-meta{display:flex;align-items:center;gap:10px;margin-top:2px;flex-wrap:wrap;}
.reward-figure{font-size:20px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1;}
.reward-figure small{font-size:12.5px;font-weight:600;color:var(--muted);margin-left:3px;}
@media screen and (max-width:767px){.reward-grid{grid-template-columns:1fr;}}
/* ============ 任务进度 ============ */
.task-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:44px;align-items:start;}
.task-aside{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-card);}
.task-aside .big-num{font-size:38px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:6px;}
.task-aside h3{font-size:17px;font-weight:600;margin:0 0 8px;}
.task-aside p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0 0 18px;}
.task-aside ul li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--muted);padding:7px 0;border-top:1px solid #F1F5FA;}
.task-aside ul li i{color:var(--teal);font-size:13px;}
.task{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh-card);margin-bottom:16px;}
.task:last-child{margin-bottom:0;}
.task-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:12px;}
.task-top h3{font-size:16.5px;font-weight:600;margin:0 0 5px;}
.task-top p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.7;}
.task-pct{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;color:var(--brand);flex:0 0 auto;}
.progress{height:9px;border-radius:999px;background:#EAF0F8;overflow:hidden;}
.progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent));transition:width .45s ease;}
.task-doing .progress span{background:linear-gradient(90deg,var(--accent),#FFB37A);}
.task-doing .task-pct{color:var(--accent);}
.task-locked .progress span{background:#CBD6E4;}
.task-locked .task-pct{color:var(--faint);}
.task-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;flex-wrap:wrap;}
.task-foot time{font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums;}
@media screen and (max-width:991px){.task-layout{grid-template-columns:1fr;gap:26px;}}
/* ============ 最新信息 ============ */
.news-feature{
  display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-card);margin-bottom:26px;transition:all .18s ease;
}
.news-feature:hover{box-shadow:var(--sh-hover);border-color:#CFE1F9;}
.news-feature-media{display:block;aspect-ratio:16/9;background:var(--brand-soft);overflow:hidden;}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-feature:hover .news-feature-media img{transform:scale(1.03);}
.news-feature-body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center;gap:12px;}
.news-feature-body h3{font-size:22px;line-height:1.5;margin:0;}
.news-feature-body h3 a{color:var(--ink);}
.news-feature-body h3 a:hover{color:var(--brand);}
.news-feature-body p{font-size:14.8px;color:var(--muted);line-height:1.85;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums;}
.news-grid{margin-left:-11px;margin-right:-11px;}
.news-grid > .cell{padding-left:11px;padding-right:11px;margin-bottom:22px;}
.news-card{
  display:flex;flex-direction:column;gap:10px;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 20px 18px;box-shadow:var(--sh-card);transition:all .18s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#CFE1F9;}
.news-card h3{font-size:16.5px;line-height:1.6;margin:0;}
.news-card h3 a{
  color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card h3 a:hover{color:var(--brand);}
.news-card p{
  font-size:14px;color:var(--muted);line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .news-meta{margin-top:auto;padding-top:8px;border-top:1px solid #F1F5FA;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:38px 24px;background:#fff;border:1px dashed #CBD9EA;border-radius:var(--r-lg);text-align:center;
}
.empty-state i{font-size:26px;color:#B9C8DA;}
.empty-state p{font-size:15px;color:var(--muted);margin:0;}
@media screen and (max-width:991px){.news-feature{grid-template-columns:1fr;}}
@media screen and (max-width:767px){.news-feature-body{padding:22px 20px;}.news-feature-body h3{font-size:19px;}}
/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-list .accordion{border:none;background:transparent;margin:0;}
.faq-list .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;box-shadow:var(--sh-card);overflow:hidden;transition:border-color .18s ease;
}
.faq-list .accordion-item.is-active{border-color:#CFE1F9;box-shadow:inset 3px 0 0 var(--brand),var(--sh-card);}
.faq-list .accordion-title{
  display:block;font-size:17px;font-weight:600;color:var(--ink);padding:18px 56px 18px 22px;
  border:none;background:#fff;position:relative;line-height:1.6;
}
.faq-list .accordion-title:hover{background:#FAFCFF;color:var(--brand);}
.faq-list .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--faint);
  position:absolute;right:22px;top:50%;transform:translateY(-50%);transition:transform .18s ease;border:none;width:auto;height:auto;
}
.faq-list .accordion-item.is-active .accordion-title{color:var(--brand);}
.faq-list .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);color:var(--brand);}
.faq-list .accordion-content{
  display:none;padding:0 22px 20px;border:none;background:#fff;color:var(--muted);font-size:15px;line-height:1.9;
}
.faq-list .accordion-content p{margin:0;}
/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-soft);border:1px solid #D6E6FB;
  border-radius:var(--r-xl);padding:48px 52px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::before{
  content:"";position:absolute;right:-70px;bottom:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.16),rgba(255,122,47,0) 70%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.6vw,29px);margin:0 0 10px;}
.cta-band p{font-size:15.5px;color:var(--muted);margin:0;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}
@media screen and (max-width:991px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px;gap:22px;}
  .cta-actions{width:100%;}
}
@media screen and (max-width:767px){
  .cta-band{padding:28px 22px;}
  .cta-actions{flex-direction:column;gap:12px;}
  .cta-actions .btn{width:100%;}
}
/* ============ 页脚 ============ */
.site-footer{background:#F1F5FA;border-top:1px solid var(--line);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;margin:0;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;margin:0 0 16px;color:var(--ink);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--muted);}
.footer-col ul a:hover{color:var(--brand);}
.footer-col ul li span{font-size:14px;color:var(--muted);}
.footer-bottom{
  margin-top:44px;border-top:1px solid #E1E9F3;padding:20px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--faint);margin:0;}
.footer-bottom .fb-links{display:flex;gap:20px;}
.footer-bottom .fb-links a{font-size:13px;color:var(--faint);}
.footer-bottom .fb-links a:hover{color:var(--brand);}
@media screen and (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media screen and (max-width:767px){
  .site-footer{padding-top:40px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
/* ============ Foundation 覆盖 ============ */
.grid-x{display:flex;flex-flow:row wrap;margin:0;}
.grid-x > .cell{margin:0;}
.accordion,.accordion-item,.accordion-title,.accordion-content{border-radius:0;background:transparent;}
.accordion-title{border:none;}
table{border-collapse:collapse;width:100%;}

/* roulang page: article */
:root{
  --brand:#1668D6;
  --brand-dark:#0F55B4;
  --brand-soft:#EAF2FE;
  --accent:#FF7A2F;
  --accent-soft:#FFF1E8;
  --mint:#17C3A2;
  --mint-soft:#E6F8F4;
  --ink:#101C2B;
  --ink-2:#5B6B7E;
  --ink-3:#8A99AC;
  --line:#E3EAF3;
  --page:#F6F9FD;
  --card:#FFFFFF;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 1px 2px rgba(16,28,43,.05),0 8px 24px rgba(22,104,214,.08);
  --shadow-hover:0 14px 32px rgba(22,104,214,.14);
  --gap:22px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--page);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 6px rgba(16,28,43,.04);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);white-space:nowrap;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),#3F8BEA);
  color:#fff;font-weight:700;font-size:17px;
}
.brand-text{font-size:17.5px;font-weight:700;letter-spacing:.2px;}
.brand-text b{color:var(--brand);font-weight:700;}
.nav-menu{display:flex;align-items:center;gap:30px;margin-left:8px;}
.nav-menu li{list-style:none;}
.nav-menu a{
  position:relative;display:block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .16s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-16px;height:2px;
  background:var(--brand);border-radius:2px;opacity:0;transition:opacity .16s ease;
}
.nav-menu a:hover{color:var(--brand);}
.nav-menu a.is-active{color:var(--brand);font-weight:700;}
.nav-menu a.is-active::after{opacity:1;}
.nav-side{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  position:relative;display:flex;align-items:center;
  background:#F3F7FC;border:1px solid transparent;border-radius:999px;
  height:40px;padding:0 14px;min-width:210px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search i{color:var(--ink-3);font-size:13px;margin-right:8px;}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(22,104,214,.12);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(22,104,214,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 10px 24px rgba(22,104,214,.3);transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C7DCF7;}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);}
.btn-pill{border-radius:999px;height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;
}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:14px 0 22px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;padding:12px 0;font-size:15.5px;font-weight:500;color:var(--ink-2);
  border-bottom:1px solid #F0F5FB;
}
.mobile-panel a.is-active{color:var(--brand);font-weight:700;}
.mobile-panel .btn{margin-top:16px;border-bottom:0;color:#fff;}
.mp-search{margin-top:14px;}
.mp-search input{
  width:100%;height:46px;border-radius:10px;border:1px solid var(--line);
  padding:0 16px;background:#F8FAFE;outline:none;
}
.mp-search input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(22,104,214,.12);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13.5px;color:var(--ink-3);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:#B7C4D4;}
.crumb .current{color:var(--ink);font-weight:600;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-hero{
  background:
    radial-gradient(900px 300px at 82% 0%,rgba(22,104,214,.10),transparent 70%),
    linear-gradient(180deg,#fff 0%,#F6F9FD 100%);
  padding:34px 0 30px;border-bottom:1px solid var(--line);
}
.hero-inner{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-dark);
}
.tag-orange{background:var(--accent-soft);color:#C4520F;}
.tag-mint{background:var(--mint-soft);color:#0E8E76;}
.article-hero h1{
  font-size:clamp(28px,4.2vw,42px);font-weight:700;line-height:1.28;
  margin:16px 0 14px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:13.5px;color:var(--ink-3);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.lead{
  margin-top:16px;color:var(--ink-2);font-size:15.5px;line-height:1.9;
  max-width:44em;
}
.hero-thumb{
  border-radius:var(--radius-lg);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.hero-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- 布局 ---------- */
.article-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:36px;align-items:start;padding:52px 0 72px;
}
.reader{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:44px 52px;
}
.reader-inner{max-width:800px;margin:0 auto;}

/* ---------- 正文排版 ---------- */
.prose{font-size:16.5px;line-height:1.92;color:#1B2838;}
.prose>*+*{margin-top:1.2em;}
.prose p{margin:0 0 1.2em;color:#26364A;}
.prose h2{
  font-size:27px;font-weight:700;margin:2em 0 .7em;line-height:1.35;
  padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;
}
.prose h3{font-size:21px;font-weight:700;margin:1.7em 0 .6em;color:#16273A;}
.prose h4{font-size:18px;font-weight:600;margin:1.4em 0 .5em;}
.prose ul,.prose ol{margin:0 0 1.25em;padding-left:1.35em;list-style:revert;}
.prose li{margin:.45em 0;color:#26364A;}
.prose strong{color:#101C2B;}
.prose a{color:var(--brand);border-bottom:1px solid rgba(22,104,214,.32);}
.prose a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark);}
.prose blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:#1F3550;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:12px;margin:1.6em 0 .6em;width:100%;}
.prose figure{margin:1.6em 0;}
.prose figcaption{font-size:13.5px;color:var(--ink-3);text-align:center;margin-top:6px;}
.prose table{
  margin:1.6em 0;font-size:14.5px;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;background:#fff;
}
.prose th,.prose td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;}
.prose thead th{background:#F1F6FD;color:#1F3550;font-weight:600;}
.prose tbody tr:nth-child(even){background:#FAFCFF;}
.prose pre{
  background:#F4F8FD;border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#213148;
}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:#F1F6FD;border-radius:6px;padding:2px 6px;font-size:14px;color:#0F55B4;
}
.prose pre code{background:transparent;padding:0;color:inherit;}

/* ---------- 提示框 ---------- */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  margin:34px 0 0;padding:18px 20px;border-radius:14px;
  background:var(--accent-soft);border:1px solid #FBD9C2;
}
.notice i{color:var(--accent);font-size:18px;margin-top:4px;}
.notice strong{display:block;font-size:15.5px;margin-bottom:4px;}
.notice p{font-size:14.5px;color:#7A4A2A;margin:0;line-height:1.8;}

/* ---------- 侧栏 ---------- */
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;margin-bottom:20px;
}
.side-card h3{font-size:17px;margin-bottom:14px;}
.side-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed #EDF3FA;
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list .num{
  flex:0 0 26px;height:26px;border-radius:8px;background:var(--brand-soft);
  color:var(--brand-dark);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.side-list a{font-size:14.5px;color:#243447;font-weight:500;line-height:1.7;}
.side-list a:hover{color:var(--brand);}
.side-list span.desc{display:block;font-size:13px;color:var(--ink-3);margin-top:2px;font-weight:400;}
.side-cta{
  background:linear-gradient(160deg,var(--brand) 0%,#2F7FE4 100%);
  border-radius:var(--radius);padding:24px;color:#fff;box-shadow:0 14px 30px rgba(22,104,214,.22);
}
.side-cta h3{color:#fff;font-size:18px;margin-bottom:8px;}
.side-cta p{font-size:14px;color:rgba(255,255,255,.86);line-height:1.8;margin-bottom:16px;}
.side-cta .btn{background:#fff;color:var(--brand-dark);width:100%;height:44px;}
.side-cta .btn:hover{background:#F1F6FD;color:var(--brand-dark);transform:translateY(-1px);}

/* ---------- 空态 ---------- */
.empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:46px 20px;color:var(--ink-3);
}
.empty i{font-size:34px;color:#C3D2E3;}
.empty p{font-size:15px;color:var(--ink-2);}
.empty .btn{margin-top:6px;}

/* ---------- 相关推荐 ---------- */
.section{padding:64px 0;}
.section-head{margin-bottom:30px;}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.section-head h2{font-size:clamp(22px,3vw,30px);}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:10px;max-width:60em;}
.related-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);
}
.card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CFE1F8;}
.card-img{aspect-ratio:4/3;overflow:hidden;background:#EDF3FA;}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-img img{transform:scale(1.04);}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;}
.card-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.card-link{margin-top:auto;font-size:14.5px;font-weight:600;color:var(--brand);}
.card-link i{font-size:11px;margin-left:5px;transition:transform .18s ease;display:inline-block;}
.card:hover .card-link i{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#EAF2FE 0%,#F3F8FF 60%,#FFF1E8 100%);
  border:1px solid #D9E7F9;border-radius:var(--radius-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:clamp(22px,3vw,28px);margin-bottom:10px;}
.cta-band p{color:var(--ink-2);font-size:15px;max-width:52em;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn{white-space:nowrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:#F1F5FA;border-top:1px solid var(--line);margin-top:20px;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.85;max-width:30em;}
.footer-col h4{font-size:15px;margin-bottom:14px;color:var(--ink);}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:var(--ink-2);}
.footer-col ul a{color:var(--ink-2);}
.footer-col ul a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid #E1E9F3;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--ink-3);
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{color:var(--ink-3);}
.fb-links a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .hero-inner{grid-template-columns:minmax(0,1fr) 260px;gap:26px;}
  .article-wrap{grid-template-columns:minmax(0,1fr) 270px;gap:28px;}
  .reader{padding:38px 34px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:991px){
  .container{padding:0 24px;}
  .nav-menu{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-side .btn-pill{display:none;}
  .hero-inner{grid-template-columns:1fr;}
  .hero-thumb{order:-1;max-width:100%;}
  .article-wrap{grid-template-columns:1fr;padding:40px 0 56px;}
  .section{padding:52px 0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 30px;}
  .reader{padding:32px 26px;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .nav-inner{height:64px;gap:16px;}
  .article-hero{padding:26px 0 24px;}
  .prose{font-size:16px;}
  .prose h2{font-size:22px;}
  .prose h3{font-size:19px;}
  .prose table{display:block;overflow-x:auto;white-space:nowrap;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:480px){
  .article-hero h1{font-size:26px;}
  .section-head h2{font-size:21px;}
  .reader{padding:24px 18px;border-radius:var(--radius);}
  .brand-text{font-size:16px;}
  .btn{height:44px;padding:0 18px;}
}

/* roulang page: category1 */
:root{
  --brand:#1668D6;
  --brand-dark:#0F55B4;
  --brand-light:#EAF2FE;
  --accent:#FF7A2F;
  --accent-light:#FFF1E8;
  --mint:#17C3A2;
  --ink:#101C2B;
  --ink-2:#5B6B7E;
  --ink-3:#8A99AC;
  --line:#E3EAF3;
  --bg:#F6F9FD;
  --card:#FFFFFF;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(16,28,43,.05);
  --shadow:0 1px 2px rgba(16,28,43,.05), 0 8px 24px rgba(22,104,214,.08);
  --shadow-hover:0 14px 32px rgba(22,104,214,.14);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
a:hover{text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
h1{font-size:clamp(28px,4.6vw,44px);line-height:1.25;font-weight:700;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{font-size:16px;line-height:1.9;color:var(--ink-2);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:72px 0;}
.section--tight{padding:48px 0;}
.section--tint{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 6px rgba(16,28,43,.04);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),#3E8BEE);
  color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(22,104,214,.28);
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.brand-text b{color:var(--brand);font-weight:700;}
.nav-menu{display:flex;align-items:center;gap:30px;}
.nav-menu a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:22px 0;transition:color .16s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:center;
  transition:transform .18s ease;
}
.nav-menu a:hover{color:var(--brand);}
.nav-menu a.is-active{color:var(--brand);font-weight:600;}
.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-side{display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:999px;
  background:#F3F7FC;border:1px solid transparent;
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.nav-search i{color:var(--ink-3);font-size:13px;}
.nav-search input{
  border:0;background:transparent;outline:none;
  width:170px;font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(22,104,214,.12);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(22,104,214,.22);}
.btn-primary:hover{background:var(--brand-dark);box-shadow:0 10px 22px rgba(22,104,214,.28);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(22,104,214,.35);}
.btn-ghost:hover{background:var(--brand-light);border-color:var(--brand);}
.btn-pill{border-radius:999px;min-height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-panel.is-open{display:block;}
.mobile-panel .container{display:flex;flex-direction:column;gap:4px;padding-top:12px;padding-bottom:20px;}
.mobile-panel a{
  padding:13px 4px;font-size:15px;font-weight:500;color:var(--ink-2);
  border-bottom:1px solid #F1F5FA;
}
.mobile-panel a.is-active{color:var(--brand);font-weight:600;}
.mobile-panel .btn{margin-top:14px;border-bottom:0;}
.mp-search{margin-top:12px;}
.mp-search input{
  width:100%;height:44px;border-radius:10px;border:1px solid var(--line);
  padding:0 14px;font-size:15px;background:var(--bg);outline:none;
}
.mp-search input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(22,104,214,.12);background:#fff;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#FFFFFF;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:14px 0;font-size:13.5px;color:var(--ink-3);
}
.crumb a{color:var(--ink-2);transition:color .16s ease;}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:var(--ink-3);}
.crumb .current{color:var(--brand);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.page-hero{
  background:
    radial-gradient(900px 380px at 88% -20%, rgba(22,104,214,.10), transparent 70%),
    linear-gradient(180deg,#FFFFFF 0%, #F6F9FD 100%);
  border-bottom:1px solid var(--line);
  padding:56px 0 64px;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.hero-copy h1{margin:16px 0 14px;letter-spacing:-.2px;}
.hero-lead{
  font-size:18px;line-height:1.8;color:var(--ink-2);
  max-width:32em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 24px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-2);
}
.hero-points i{color:var(--mint);font-size:13px;}
.hero-media{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow);
}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge-brand{background:var(--brand-light);color:var(--brand);}
.badge-accent{background:var(--accent-light);color:#C4520F;}
.badge-mint{background:#E6F8F3;color:#0E8F79;}
.badge-muted{background:#EEF2F7;color:var(--ink-2);}

/* ---------- 图文交替 ---------- */
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{margin-bottom:12px;}
.sec-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.6px;
  color:var(--brand);margin-bottom:10px;
}
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
}
.split + .split{margin-top:64px;}
.split.is-reversed .split-media{order:-1;}
.split-media{
  border-radius:var(--radius-lg);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-body h2{margin-bottom:14px;}
.split-body h3{margin:20px 0 8px;color:var(--ink);}
.split-body p + p{margin-top:12px;}
.point-lite{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.point-lite li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--ink-2);line-height:1.8;
}
.point-lite i{color:var(--brand);font-size:13px;margin-top:9px;flex:none;}
.step-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--accent);
  background:var(--accent-light);border-radius:999px;padding:5px 12px;margin-bottom:12px;
}
.mini-stat{
  display:flex;gap:28px;flex-wrap:wrap;margin-top:22px;
  padding-top:20px;border-top:1px dashed var(--line);
}
.mini-stat div strong{display:block;font-size:24px;color:var(--brand);font-weight:700;line-height:1.3;}
.mini-stat div span{font-size:13px;color:var(--ink-3);}

/* ---------- 要点清单 ---------- */
.check-list{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:8px;
}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3E2F7;}
.check-list .num{
  width:34px;height:34px;flex:none;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand);font-size:14px;font-weight:700;
}
.check-list h3{font-size:16.5px;margin-bottom:6px;color:var(--ink);}
.check-list p{font-size:14.5px;line-height:1.8;margin:0;}

/* ---------- 关联分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3E2F7;}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;color:var(--ink);}
.card-body p{font-size:14.5px;line-height:1.8;margin:0;}
.card-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.card-more i{font-size:12px;transition:transform .18s ease;}
.card:hover .card-more i{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-light);border-radius:var(--radius-lg);
  padding:48px 52px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  border:1px solid #D8E6FB;
}
.cta-band h2{margin-bottom:10px;}
.cta-band p{max-width:44em;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:#F1F5FA;border-top:1px solid var(--line);padding:56px 0 24px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:var(--ink-2);max-width:30em;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-2);transition:color .16s ease;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid #DDE6F1;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:var(--ink-3);margin:0;}
.fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.fb-links a{font-size:13.5px;color:var(--ink-2);transition:color .16s ease;}
.fb-links a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .related-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .section{padding:56px 0;}
  .nav-menu,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-side{gap:10px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:2;}
  .hero-copy{text-align:left;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split + .split{margin-top:52px;}
  .split.is-reversed .split-media{order:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (min-width:992px){
  .mobile-panel{display:none !important;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:40px 0;}
  .page-hero{padding:36px 0 44px;}
  .hero-actions .btn{width:100%;}
  .check-list{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mini-stat{gap:20px;}
}
@media (max-width:480px){
  h1{font-size:28px;}
  h2{font-size:23px;}
  .hero-lead{font-size:16.5px;}
  .brand-text{font-size:16px;}
}

/* roulang page: category2 */
:root{
  --brand:#1668D6;
  --brand-dark:#0F55B4;
  --brand-soft:#EAF2FE;
  --accent:#FF7A2F;
  --accent-soft:#FFF1E8;
  --teal:#17C3A2;
  --teal-soft:#E9FAF6;
  --ink:#101C2B;
  --ink-2:#5B6B7E;
  --ink-3:#8A99AC;
  --line:#E3EAF3;
  --page:#F6F9FD;
  --white:#FFFFFF;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(16,28,43,.05);
  --shadow:0 1px 2px rgba(16,28,43,.05),0 8px 24px rgba(22,104,214,.08);
  --shadow-lg:0 14px 32px rgba(22,104,214,.14);
  --sec-pad:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:12px;}
a{color:var(--brand);text-decoration:none;transition:color 160ms ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 6px rgba(16,28,43,.04);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:0;
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.brand-text b{color:var(--brand);font-weight:700;}
.nav-menu{display:flex;align-items:center;gap:30px;margin:0 0 0 12px;flex:1 1 auto;}
.nav-menu li{margin:0;}
.nav-menu a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;color:var(--ink-2);font-weight:500;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform 180ms ease;
}
.nav-menu a:hover{color:var(--brand);}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--brand);font-weight:600;}
.nav-side{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:999px;
  background:#F3F7FC;border:1px solid transparent;
  transition:border-color 160ms ease,box-shadow 160ms ease,background 160ms ease;
}
.nav-search i{color:var(--ink-3);font-size:13px;}
.nav-search input{
  border:none;background:transparent;outline:none;
  font-size:14px;color:var(--ink);width:132px;height:100%;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(22,104,214,.12);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:16px;cursor:pointer;
}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-panel.is-open{display:block;}
.mobile-panel .container{display:flex;flex-direction:column;gap:4px;padding-top:12px;padding-bottom:18px;}
.mobile-panel a{
  padding:12px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px dashed var(--line);
}
.mobile-panel a.is-active{color:var(--brand);font-weight:600;}
.mp-search{display:flex;margin:12px 0 8px;}
.mp-search input{
  width:100%;height:44px;border-radius:var(--radius-sm);
  border:1px solid var(--line);padding:0 14px;font-size:14px;outline:none;
}
.mp-search input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(22,104,214,.12);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background 180ms ease,color 180ms ease,box-shadow 180ms ease,transform 180ms ease,border-color 180ms ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(22,104,214,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 10px 22px rgba(22,104,214,.28);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C9DDF8;}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);}
.btn-pill{border-radius:999px;height:40px;padding:0 20px;font-size:14px;}
.btn-lg{height:50px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-brand{background:var(--brand-soft);color:var(--brand);}
.badge-accent{background:var(--accent-soft);color:#D95F17;}
.badge-teal{background:var(--teal-soft);color:#0E9C81;}
.badge-mute{background:#EFF3F8;color:var(--ink-2);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;align-items:center;gap:10px;padding:14px 0;font-size:13px;color:var(--ink-3);}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C4D1E0;}

/* ---------- 分类 H1 区 ---------- */
.cat-hero{
  background:linear-gradient(180deg,#EFF6FF 0%,#F6F9FD 100%);
  border-bottom:1px solid var(--line);
  padding:56px 0 56px;
}
.cat-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,42px);font-weight:700;line-height:1.28;
  letter-spacing:-.3px;margin:16px 0 14px;max-width:15em;
}
.cat-hero .lead{font-size:17px;color:var(--ink-2);line-height:1.85;max-width:34em;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cat-hero-media{position:relative;}
.cat-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
}
.hero-float{
  position:absolute;left:-14px;bottom:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:14px 18px;min-width:186px;
}
.hero-float .hf-num{font-size:24px;font-weight:700;color:var(--brand);line-height:1.2;}
.hero-float .hf-label{font-size:13px;color:var(--ink-3);margin-top:2px;}

/* ---------- 数据条 ---------- */
.stat-bar{background:#fff;border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:28px 0;}
.stat-item{text-align:center;padding:0 8px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:none;}
.stat-num{font-size:26px;font-weight:700;color:var(--brand);line-height:1.3;}
.stat-num em{font-style:normal;font-size:15px;color:var(--ink-3);margin-left:2px;}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:4px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.35;letter-spacing:-.2px;}
.sec-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px;line-height:1.9;}

/* ---------- 两列要点卡 ---------- */
.sec-grid{margin-left:-12px;margin-right:-12px;}
.sec-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}
.point-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:26px 24px;
  display:flex;flex-direction:column;gap:12px;
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#D5E4F8;}
.pc-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.pc-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.point-card h3{font-size:19px;font-weight:600;line-height:1.5;}
.point-card p{font-size:15px;color:var(--ink-2);line-height:1.9;}

/* ---------- 时间线 ---------- */
.timeline-wrap{display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:start;}
.timeline{position:relative;padding-left:60px;}
.timeline::before{
  content:"";position:absolute;left:20px;top:10px;bottom:26px;width:2px;
  background:var(--line);border-radius:2px;
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-60px;top:-2px;
  width:42px;height:42px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;
  background:#fff;border:2px solid var(--line);color:var(--ink-3);
}
.tl-item.is-done .tl-dot{border-color:var(--teal);background:var(--teal-soft);color:#0E9C81;}
.tl-item.is-active .tl-dot{border-color:var(--brand);background:var(--brand);color:#fff;box-shadow:0 6px 14px rgba(22,104,214,.28);}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:20px 22px;
  transition:box-shadow 180ms ease,border-color 180ms ease,transform 180ms ease;
}
.tl-card:hover{box-shadow:var(--shadow);border-color:#D5E4F8;transform:translateY(-2px);}
.tl-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.tl-head h3{font-size:18px;font-weight:600;}
.tl-time{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;white-space:nowrap;}
.tl-card p{margin-top:8px;font-size:15px;color:var(--ink-2);line-height:1.9;}

.tl-side{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:26px 24px;position:sticky;top:96px;
}
.tl-side img{width:100%;aspect-ratio:4/3;object-fit:cover;margin-bottom:18px;}
.tl-side h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.tl-side p{font-size:14.5px;color:var(--ink-2);line-height:1.9;}
.progress-box{margin-top:20px;}
.progress-label{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);margin-bottom:8px;}
.progress-label b{color:var(--brand);font-size:15px;font-variant-numeric:tabular-nums;}
.progress{height:10px;background:#EAF0F8;border-radius:999px;overflow:hidden;}
.progress > span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent));}

/* ---------- 自查清单 ---------- */
.check-list{display:grid;gap:16px;}
.check-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:20px 22px;transition:box-shadow 180ms ease,border-color 180ms ease;
}
.check-item:hover{box-shadow:var(--shadow);border-color:#D5E4F8;}
.check-mark{
  flex:0 0 auto;width:32px;height:32px;border-radius:9px;
  background:var(--accent-soft);color:#D95F17;
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.check-item h3{font-size:17px;font-weight:600;margin-bottom:4px;}
.check-item p{font-size:15px;color:var(--ink-2);line-height:1.9;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion{border:none;background:transparent;margin:0;}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);margin-bottom:12px;overflow:hidden;
  transition:box-shadow 180ms ease,border-color 180ms ease;
}
.accordion-item:hover{box-shadow:var(--shadow);}
.accordion-item.is-active{border-color:#CFE1F9;box-shadow:var(--shadow);}
.accordion-title{
  display:block;border:none;background:#fff;
  padding:18px 54px 18px 20px;position:relative;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color 160ms ease,box-shadow 180ms ease;
}
.accordion-item.is-active .accordion-title{box-shadow:inset 3px 0 0 var(--brand);color:var(--brand);}
.accordion-title:hover{color:var(--brand);}
.accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--brand);transition:transform 180ms ease;
}
.accordion-title::after{display:none;}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);}
.accordion-content{
  border:none;background:#fff;padding:0 22px 20px;
  font-size:15px;color:var(--ink-2);line-height:1.9;
}

/* ---------- 关联内链 ---------- */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.link-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:22px 22px 24px;
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.link-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#D5E4F8;}
.link-card i{font-size:18px;color:var(--brand);}
.link-card h3{font-size:17px;font-weight:600;color:var(--ink);}
.link-card p{font-size:14.5px;color:var(--ink-2);line-height:1.9;}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.link-card:hover .link-more{color:var(--brand-dark);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background:var(--brand-soft);
  padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.12;pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:640px;}
.cta-copy h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.4;}
.cta-copy p{margin-top:10px;font-size:15.5px;color:var(--ink-2);line-height:1.9;}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:#F1F5FA;border-top:1px solid var(--line);margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:56px 0 36px;}
.footer-brand p{margin-top:14px;font-size:14.5px;color:var(--ink-2);line-height:1.9;max-width:32em;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a,.footer-col li span{font-size:14.5px;color:var(--ink-2);}
.footer-col li a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:var(--ink-3);}
.fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.fb-links a{font-size:13.5px;color:var(--ink-2);}
.fb-links a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .container{padding:0 24px;}
  :root{--sec-pad:56px;}
  .cat-hero-grid{gap:36px;}
  .timeline-wrap{gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media screen and (max-width:991px){
  .nav-menu{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-inner{gap:16px;height:64px;}
  .nav-side{margin-left:auto;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero-media{order:2;}
  .hero-float{left:14px;bottom:14px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .stat-item:nth-child(2){border-right:none;}
  .timeline-wrap{grid-template-columns:1fr;}
  .tl-side{position:static;}
  .link-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:36px 30px;flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  :root{--sec-pad:40px;}
  body{font-size:15.5px;}
  .cat-hero{padding:36px 0 40px;}
  .cat-hero h1{font-size:clamp(24px,6.4vw,30px);}
  .hero-actions .btn{width:100%;}
  .hero-float{position:static;margin-top:14px;display:inline-block;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-num{font-size:22px;}
  .point-card{padding:22px 18px;}
  .timeline{padding-left:50px;}
  .timeline::before{left:17px;}
  .tl-dot{left:-50px;width:36px;height:36px;font-size:14px;}
  .check-item{flex-direction:row;gap:12px;padding:18px;}
  .link-grid{grid-template-columns:1fr;}
  .accordion-title{font-size:16px;padding:16px 46px 16px 16px;}
  .accordion-content{padding:0 16px 18px;}
  .cta-band{padding:30px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:480px){
  .brand-text{font-size:15.5px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:none;border-bottom:1px solid var(--line);padding-bottom:14px;}
  .stat-item:last-child{border-bottom:none;padding-bottom:0;}
  .sec-head h2{font-size:22px;}
}

/* roulang page: category3 */
:root{
  --brand:#1668D6;
  --brand-dark:#0F55B4;
  --brand-soft:#EAF2FE;
  --brand-line:#C9DDF8;
  --accent:#FF7A2F;
  --accent-soft:#FFF1E8;
  --accent-text:#C2540F;
  --teal:#17C3A2;
  --teal-soft:#E6F9F4;
  --teal-text:#0E8E76;
  --ink:#101C2B;
  --ink-2:#5B6B7E;
  --ink-3:#8A99AC;
  --border:#E3EAF3;
  --bg:#F6F9FD;
  --card:#FFFFFF;
  --r-sm:10px;
  --r:14px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(16,28,43,.05);
  --sh-2:0 8px 24px rgba(22,104,214,.08);
  --sh-hover:0 14px 32px rgba(22,104,214,.14);
  --container: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","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color 160ms ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;line-height:1.4;font-weight:700;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.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}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0;color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 6px rgba(16,28,43,.04);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1668D6,#3E8BEE);
  color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 6px 14px rgba(22,104,214,.24);
}
.brand-text{font-size:17.5px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.brand-text b{color:var(--brand);font-weight:700}
.nav-menu{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0}
.nav-menu a{
  display:flex;align-items:center;height:70px;position:relative;
  font-size:15px;color:var(--ink-2);text-decoration:none;
  transition:color 160ms ease;
}
.nav-menu a:hover{color:var(--brand);text-decoration:none}
.nav-menu a.is-active{color:var(--brand);font-weight:600}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px 2px 0 0;
}
.nav-side{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 15px;border-radius:999px;
  background:#F3F7FC;border:1px solid transparent;
  transition:border-color 160ms ease,box-shadow 160ms ease,background 160ms ease;
}
.nav-search i{color:var(--ink-3);font-size:13px}
.nav-search input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);width:150px;font-family:inherit;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(22,104,214,.12)}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--border);background:#fff;border-radius:10px;
  color:var(--ink);font-size:17px;cursor:pointer;
  transition:border-color 160ms ease,color 160ms ease;
}
.nav-toggle:hover{border-color:var(--brand-line);color:var(--brand)}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--border);box-shadow:0 14px 28px rgba(16,28,43,.08)}
.mobile-panel.is-open{display:block}
.mobile-panel .container{padding-top:12px;padding-bottom:22px}
.mobile-panel a{display:block;padding:13px 2px;font-size:15.5px;color:var(--ink-2);border-bottom:1px solid #F0F4FA;text-decoration:none}
.mobile-panel a:hover{color:var(--brand)}
.mobile-panel a.is-active{color:var(--brand);font-weight:600}
.mp-search{margin:16px 0 4px}
.mp-search input{
  width:100%;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--border);background:#F8FBFF;
  padding:0 14px;font-size:15px;font-family:inherit;outline:none;color:var(--ink);
}
.mp-search input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(22,104,214,.12);background:#fff}
.mobile-panel .btn{width:100%;margin-top:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:background 180ms ease,color 180ms ease,border-color 180ms ease,box-shadow 180ms ease,transform 180ms ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(22,104,214,.20)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 10px 24px rgba(22,104,214,.28)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand-line)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#A9CAF6}
.btn-pill{border-radius:999px;height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:52px;padding:0 32px;font-size:16px;border-radius:12px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge-blue{background:var(--brand-soft);color:var(--brand-dark)}
.badge-orange{background:var(--accent-soft);color:var(--accent-text)}
.badge-teal{background:var(--teal-soft);color:var(--teal-text)}
.badge-gray{background:#EFF3F9;color:var(--ink-2)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:18px 0 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3)}
.breadcrumb li{display:inline-flex;align-items:center}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:#C3CFDD}
.breadcrumb a{color:var(--ink-2);text-decoration:none}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:var(--ink-2)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  background:linear-gradient(180deg,#F2F7FF 0%,#FFFFFF 100%);
  padding:34px 0 64px;
}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.cat-hero-copy h1{font-size:clamp(28px,4.6vw,44px);font-weight:700;line-height:1.25;margin:18px 0 14px}
.lede{font-size:16.5px;color:var(--ink-2);line-height:1.85;margin:0 0 26px;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.trust-list{list-style:none;display:flex;flex-wrap:wrap;gap:12px 24px;margin:28px 0 0}
.trust-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.trust-list i{color:var(--teal);font-size:13px}
.cat-hero-media{margin:0}
.cat-hero-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:18px;border:4px solid #fff;
  box-shadow:0 18px 44px rgba(22,104,214,.18);
}

/* ---------- 板块 ---------- */
.section{padding:72px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin:0 0 10px}
.section-head p{color:var(--ink-2);font-size:15px;line-height:1.85}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}

/* ---------- 数值卡 ---------- */
.stat-grid{padding:0 !important}
.stat-grid .cell{padding:0 10px 20px}
.stat-card{
  height:100%;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r);padding:24px 22px;box-shadow:var(--sh-1);
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--brand-line)}
.stat-num{
  display:block;font-size:34px;font-weight:700;line-height:1.1;
  color:var(--brand);font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.stat-num.is-accent{color:var(--accent)}
.stat-num.is-teal{color:var(--teal)}
.stat-label{display:block;font-size:15px;font-weight:600;color:var(--ink);margin-bottom:8px}
.stat-card p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ---------- 规格表 ---------- */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--border);
  border-radius:var(--r);box-shadow:var(--sh-2);
  -webkit-overflow-scrolling:touch;
}
.spec-table{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
.spec-table caption{caption-side:top;text-align:left;padding:18px 20px 0;font-size:14px;color:var(--ink-3)}
.spec-table thead th{
  background:#F3F7FC;color:var(--ink);font-size:14px;font-weight:600;
  text-align:left;padding:14px 20px;white-space:nowrap;
  border-bottom:1px solid var(--border);
}
.spec-table tbody td{
  padding:16px 20px;color:var(--ink-2);line-height:1.75;
  border-bottom:1px solid #EFF4FA;vertical-align:top;
}
.spec-table tbody tr:nth-child(even){background:#FAFCFF}
.spec-table tbody tr:hover{background:#F3F8FF}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
.spec-table .td-num{font-variant-numeric:tabular-nums;white-space:nowrap}
.table-note{
  display:flex;align-items:flex-start;gap:9px;
  margin-top:16px;font-size:14px;color:var(--ink-2);line-height:1.8;
}
.table-note i{color:var(--brand);margin-top:5px;font-size:13px}

/* ---------- 图文 + 参数列表 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{margin:0}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r);border:1px solid var(--border);
  box-shadow:0 14px 34px rgba(22,104,214,.12);
}
.split-body h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:12px}
.split-body>p{color:var(--ink-2);font-size:15px;line-height:1.85;margin-bottom:22px}
.param-list{list-style:none;border-top:1px solid var(--border)}
.param-list li{
  display:grid;grid-template-columns:130px 1fr;gap:16px;
  padding:14px 0;border-bottom:1px solid var(--border);
  font-size:15px;align-items:baseline;
}
.p-key{color:var(--ink-3);font-size:14px}
.p-val{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.text-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  font-size:15px;font-weight:600;color:var(--brand);text-decoration:none;
}
.text-link i{font-size:13px;transition:transform 180ms ease}
.text-link:hover{color:var(--brand-dark);text-decoration:underline}
.text-link:hover i{transform:translateX(3px)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.accordion{list-style:none;margin:0;padding:0;background:transparent;border:0}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r);
  margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-1);
  transition:border-color 180ms ease,box-shadow 180ms ease;
}
.accordion .accordion-item:hover{border-color:var(--brand-line)}
.accordion .accordion-item.is-active{border-color:var(--brand-line);box-shadow:var(--sh-2)}
.accordion .accordion-title{
  display:block;position:relative;
  padding:18px 56px 18px 22px;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  background:#fff;border:0;text-decoration:none;
  transition:color 160ms ease;
}
.accordion .accordion-title:hover{color:var(--brand);text-decoration:none}
.accordion .accordion-title::before{
  content:"\f078";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--brand);
  transition:transform 180ms ease;
}
.accordion .accordion-item.is-active .accordion-title{
  color:var(--brand);
  border-left:3px solid var(--brand);
  padding-left:19px;
}
.accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg)}
.accordion .accordion-content{
  display:none;border:0;background:#fff;
  padding:0 22px 20px;color:var(--ink-2);
  font-size:15px;line-height:1.9;
}
.accordion .accordion-item.is-active>.accordion-content{display:block}
.accordion .accordion-content p{margin:0}
.accordion .accordion-content p+p{margin-top:10px}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--brand-soft);
  border:1px solid var(--brand-line);
  border-radius:var(--r-lg);
  padding:56px 44px;
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;
}
.cta-block h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.cta-block p{color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:640px}

/* ---------- 相关栏目 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--r);
  padding:26px 24px;box-shadow:var(--sh-1);text-decoration:none;
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--brand-line);text-decoration:none}
.rc-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:17px;margin-bottom:16px;
}
.rc-icon.is-orange{background:var(--accent-soft);color:var(--accent-text)}
.rc-icon.is-teal{background:var(--teal-soft);color:var(--teal-text)}
.related-card h3{font-size:18px;margin-bottom:8px;color:var(--ink)}
.related-card p{font-size:14px;color:var(--ink-2);line-height:1.8}
.rc-more{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:14px;font-weight:600;color:var(--brand)}

/* ---------- 页脚 ---------- */
.site-footer{background:#F1F5FA;border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:56px 0 34px}
.footer-brand p{color:var(--ink-2);font-size:14px;line-height:1.85;margin-top:14px;max-width:330px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--ink)}
.footer-col ul{list-style:none;display:grid;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-2);text-decoration:none}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid #DFE8F3;padding:18px 0 30px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13.5px;color:var(--ink-3)}
.fb-links{display:flex;flex-wrap:wrap;gap:20px}
.fb-links a{font-size:13.5px;color:var(--ink-2);text-decoration:none}
.fb-links a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px}
  .nav-menu{gap:22px}
  .nav-search input{width:120px}
}
@media (max-width:1099px){
  .nav-search{display:none}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .nav-menu{display:none}
  .nav-side .btn-pill{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:56px 0}
  .cat-hero{padding:24px 0 52px}
  .cat-hero-grid{grid-template-columns:1fr;gap:34px}
  .cat-hero-media img{aspect-ratio:16/9}
  .split{grid-template-columns:1fr;gap:32px}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:44px 0 26px}
  .cta-block{padding:44px 32px}
}
@media (min-width:992px){
  .nav-toggle{display:none}
  .mobile-panel{display:none !important}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .section{padding:40px 0}
  .nav-inner{height:64px}
  .nav-menu a{height:64px}
  .brand-text{font-size:16px}
  .cat-hero{padding:20px 0 40px}
  .cat-hero-copy h1{margin:16px 0 12px}
  .hero-actions .btn{width:100%}
  .trust-list{gap:10px 18px;margin-top:22px}
  .section-head{margin-bottom:26px}
  .stat-grid .cell{padding:0 10px 18px}
  .param-list li{grid-template-columns:1fr;gap:4px}
  .related-grid{grid-template-columns:1fr}
  .cta-block{padding:34px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:36px 0 20px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .accordion .accordion-title{font-size:16px;padding:16px 50px 16px 18px}
  .accordion .accordion-item.is-active .accordion-title{padding-left:15px}
  .accordion .accordion-content{padding:0 18px 18px}
}
@media (max-width:480px){
  h1{font-size:26px}
  .cat-hero-copy h1{font-size:26px}
  .stat-num{font-size:29px}
  .btn{width:100%}
  .hero-actions{width:100%}
  .trust-list{flex-direction:column;gap:8px}
  .table-note{font-size:13.5px}
}