/* roulang page: index */
:root{
  --c-bg:#F6F8FC;
  --c-bg-alt:#F1F5FB;
  --c-white:#FFFFFF;
  --c-brand:#1A56C4;
  --c-brand-dark:#12408F;
  --c-brand-soft:#E8F0FE;
  --c-accent:#FF6B2C;
  --c-accent-hover:#E85A1C;
  --c-accent-soft:#FFF0E8;
  --c-green:#12A594;
  --c-green-soft:#E6F6F4;
  --c-ink:#0F172A;
  --c-ink-2:#4A5A75;
  --c-ink-3:#8794AB;
  --c-line:#E4EAF3;
  --c-line-soft:#EEF2F8;
  --c-footer:#0F1D33;
  --r-card:16px;
  --r-hero:22px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --sh-2:0 2px 4px rgba(15,23,42,.05), 0 16px 36px rgba(26,86,196,.12);
  --sh-3:0 24px 60px rgba(15,23,42,.16);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:96px;
  --t:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 var(--sp-3);
  font-family:inherit;
  color:var(--c-ink);
  font-weight:700;
  letter-spacing:-0.01em;
  line-height:1.28;
}
h1{font-size:42px;font-weight:800;}
h2{font-size:28px;}
h3{font-size:20px;}
p{margin:0 0 var(--sp-3);color:var(--c-ink-2);}
a{color:var(--c-brand);text-decoration:none;background:transparent;}
a:hover{color:var(--c-brand-dark);}
img{max-width:100%;height:auto;display:block;border:0;}
ul,ol{margin:0 0 var(--sp-3);padding-left:1.25em;color:var(--c-ink-2);}
li{margin-bottom:6px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.grid-container.full{max-width:none;padding:0;}
.num{font-variant-numeric:tabular-nums;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line-soft);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(15,23,42,.08);}
.header-inner{
  display:flex;align-items:center;gap:var(--sp-4);
  height:72px;transition:height var(--t);
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(150deg,var(--c-brand),var(--c-brand-dark));
  color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(26,86,196,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:16px;font-weight:800;color:var(--c-ink);letter-spacing:-0.01em;}
.brand-text small{font-size:11.5px;color:var(--c-ink-3);letter-spacing:.06em;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:var(--sp-4);}
.nav-link{
  position:relative;font-size:15px;color:var(--c-ink-2);
  padding:6px 2px;transition:color var(--t);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:2px;right:2px;bottom:-2px;height:2px;
  border-radius:2px;background:var(--c-brand);transform:scaleX(0);
  transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  color:var(--c-brand);background:var(--c-brand-soft);
  border-radius:var(--r-pill);padding:6px 14px;font-weight:600;
}
.nav-link.is-active::after{display:none;}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:200px;height:40px;padding:0 14px;
  background:var(--c-bg-alt);border:1px solid var(--c-line);
  border-radius:var(--r-pill);transition:width var(--t),border-color var(--t),background var(--t);
}
.search-box i{color:var(--c-ink-3);font-size:13px;}
.search-box input{
  flex:1;border:0;background:transparent;box-shadow:none;
  height:auto;margin:0;padding:0;font-size:14px;color:var(--c-ink);
}
.search-box input::placeholder{color:var(--c-ink-3);}
.search-box input:focus{outline:none;box-shadow:none;}
.search-box:focus-within{width:240px;border-color:var(--c-brand);background:#fff;}
.link-btn{font-size:15px;color:var(--c-ink-2);transition:color var(--t);}
.link-btn:hover{color:var(--c-brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;cursor:pointer;line-height:1;
  transition:transform var(--t),background var(--t),box-shadow var(--t),color var(--t);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px rgba(255,107,44,.26);}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,107,44,.32);}
.btn-secondary{background:#fff;color:var(--c-brand);border:1px solid var(--c-brand);}
.btn-secondary:hover{background:rgba(26,86,196,.06);color:var(--c-brand-dark);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--c-line);
  color:var(--c-ink);width:40px;height:40px;border-radius:10px;
  font-size:16px;cursor:pointer;
}
.nav-toggle:hover{background:var(--c-bg-alt);}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(26,86,196,.10), rgba(246,248,252,0) 62%),
    var(--c-bg);
  padding:var(--sp-8) 0 var(--sp-7);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  opacity:.10;pointer-events:none;
}
.hero .grid-container{position:relative;z-index:1;}
.hero-grid{align-items:center;}
.hero-label{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:13px;color:var(--c-brand);box-shadow:var(--sh-1);margin-bottom:var(--sp-4);
}
.hero h1{margin-bottom:var(--sp-3);}
.hero-sub{font-size:17px;color:var(--c-ink-2);max-width:560px;margin-bottom:var(--sp-5);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:var(--sp-5);}
.hero-trust{display:flex;flex-wrap:wrap;gap:18px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);}
.trust-item i{color:var(--c-green);font-size:14px;}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:420px;}
.phone-card{
  position:relative;width:270px;aspect-ratio:9/16;border-radius:var(--r-hero);
  overflow:hidden;background:var(--c-bg-alt);box-shadow:var(--sh-2);
}
.phone-card img{width:100%;height:100%;object-fit:cover;}
.phone-card-main{border:6px solid #fff;z-index:2;}
.phone-card-back{
  position:absolute;left:50%;top:50%;z-index:1;
  transform:translate(-50%,-50%) translate(58px,20px) scale(.94);
  opacity:.85;filter:saturate(.92);
}
.phone-cap{
  position:absolute;left:0;right:0;bottom:0;padding:18px 16px 16px;
  background:linear-gradient(180deg,rgba(15,23,42,0),rgba(15,23,42,.78));
  color:#fff;
}
.phone-cap strong{display:block;font-size:15px;line-height:1.35;margin-bottom:4px;}
.phone-cap span{font-size:12.5px;color:rgba(255,255,255,.78);}
.play-badge{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-size:20px;
  box-shadow:0 12px 30px rgba(15,23,42,.24);
}
.phone-tag{
  position:absolute;top:14px;left:14px;z-index:3;
  background:rgba(255,255,255,.94);color:var(--c-brand);
  font-size:12px;font-weight:600;padding:5px 11px;border-radius:var(--r-pill);
}
.phone-time{
  position:absolute;top:14px;right:14px;z-index:3;
  background:rgba(15,23,42,.6);color:#fff;
  font-size:12px;padding:4px 9px;border-radius:6px;
}

/* ===== 通用板块 ===== */
.section{padding:var(--sp-8) 0;}
.section-alt{background:var(--c-white);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-4);margin-bottom:var(--sp-6);}
.section-head h2{margin-bottom:6px;}
.section-head p{margin:0;font-size:15px;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--c-brand);background:var(--c-brand-soft);
  padding:4px 12px;border-radius:var(--r-pill);margin-bottom:10px;
}
.link-more{font-size:14.5px;font-weight:600;white-space:nowrap;}
.link-more i{font-size:12px;margin-left:4px;}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;}

/* ===== 数据条 ===== */
.stats-strip{background:var(--c-bg-alt);border-top:1px solid var(--c-line-soft);border-bottom:1px solid var(--c-line-soft);padding:var(--sp-6) 0;}
.stat-block{text-align:center;padding:10px 6px;}
.stat-num{font-size:34px;font-weight:800;color:var(--c-brand);line-height:1.1;margin-bottom:6px;}
.stat-label{font-size:13.5px;color:var(--c-ink-3);}

/* ===== 横向滚动轨 ===== */
.rail{
  display:flex;gap:var(--sp-3);overflow-x:auto;
  padding:6px 4px 20px;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:999px;}
.rail>*{scroll-snap-align:start;flex:0 0 auto;}

/* ===== 竖屏卡 ===== */
.clip-card{
  position:relative;width:256px;aspect-ratio:9/16;border-radius:20px;
  overflow:hidden;background:var(--c-bg-alt);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);cursor:pointer;
}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease;}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.clip-card:hover img{transform:scale(1.04);}
.clip-card .phone-cap{position:absolute;}
.clip-card .play-hover{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%) scale(.9);
  width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.94);
  color:var(--c-brand);display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity var(--t),transform var(--t);
}
.clip-card:hover .play-hover{opacity:1;transform:translate(-50%,-50%) scale(1);}

/* ===== 资讯列表（CMS 区） ===== */
.news-section{background:var(--c-white);}
.filter-pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;}
.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--c-bg-alt);border:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-ink-2);transition:all var(--t);
}
.pill:hover{background:var(--c-brand-soft);border-color:rgba(26,86,196,.28);color:var(--c-brand);}
.news-list{margin-top:0;}
.news-card{
  display:flex;flex-direction:column;gap:10px;
  height:100%;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:var(--sp-4);
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  margin-bottom:var(--sp-4);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(26,86,196,.24);}
.news-card-thumb{
  height:150px;border-radius:12px;overflow:hidden;background:var(--c-bg-alt);margin-bottom:4px;
  display:flex;align-items:center;justify-content:center;color:var(--c-ink-3);
}
.news-card-thumb img{width:100%;height:100%;object-fit:cover;}
.news-card-title{font-size:18px;font-weight:700;color:var(--c-ink);margin:0;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card-desc{font-size:14.5px;margin:0;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px;}
.news-card-time{font-size:13px;color:var(--c-ink-3);}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;}
.badge-blue{background:var(--c-brand-soft);color:var(--c-brand-dark);}
.badge-orange{background:var(--c-accent-soft);color:var(--c-accent-hover);}
.badge-green{background:var(--c-green-soft);color:#0B7F72;}
.empty-state{
  text-align:center;padding:var(--sp-7) var(--sp-4);
  background:var(--c-bg-alt);border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state i{font-size:26px;color:var(--c-ink-3);display:block;margin-bottom:12px;}
.empty-state p{margin:0 0 var(--sp-4);font-size:15px;}

/* ===== 清单 ===== */
.check-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.check-row{
  display:flex;align-items:center;gap:var(--sp-4);padding:18px var(--sp-4);
  border-bottom:1px solid var(--c-line-soft);transition:background var(--t);
}
.check-row:last-child{border-bottom:0;}
.check-row:hover{background:#F7FAFF;}
.check-index{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  background:var(--c-brand-soft);color:var(--c-brand);
  font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;
}
.check-body{flex:1;min-width:0;}
.check-body strong{display:block;font-size:16px;color:var(--c-ink);margin-bottom:2px;}
.check-body span{font-size:14px;color:var(--c-ink-2);}
.check-thumb{flex:0 0 auto;width:64px;height:44px;border-radius:10px;overflow:hidden;background:var(--c-bg-alt);}
.check-thumb img{width:100%;height:100%;object-fit:cover;}

/* ===== 口碑条 ===== */
.review-card{
  width:288px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-1);
}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--c-brand-soft);
  color:var(--c-brand-dark);font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.review-name{font-size:14.5px;font-weight:600;color:var(--c-ink);}
.stars{color:var(--c-accent);font-size:12px;letter-spacing:1px;}
.review-text{font-size:14px;color:var(--c-ink-2);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.review-time{font-size:12.5px;color:var(--c-ink-3);}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-brand-soft);border-radius:20px;padding:var(--sp-6) var(--sp-6);
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  background:rgba(26,86,196,.08);
}
.cta-band h2{margin-bottom:8px;}
.cta-band p{margin:0;max-width:560px;font-size:15px;}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 20px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--c-brand-soft);color:var(--c-brand);font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;transition:transform var(--t);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-body{padding:0 20px 20px;font-size:15px;color:var(--c-ink-2);}
.faq-body p{margin:0;font-size:15px;}
.faq-item summary:hover{color:var(--c-brand);}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-footer);color:#A9B6CC;padding:var(--sp-7) 0 0;margin-top:var(--sp-8);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:linear-gradient(150deg,#2E6BE0,#12408F);}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-desc{font-size:14px;color:#93A2BB;max-width:320px;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:#A9B6CC;transition:color var(--t);}
.footer-links a:hover{color:#fff;}
.footer-note{font-size:13px;color:#8797B2;margin-top:10px;}
.footer-bottom{
  margin-top:var(--sp-6);border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8797B2;
}

/* ===== 响应式 ===== */
@media screen and (max-width:1399px){
  h1{font-size:38px;}
}
@media screen and (max-width:1023px){
  .main-nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:#fff;border-bottom:1px solid var(--c-line);
    box-shadow:0 18px 40px rgba(15,23,42,.10);padding:10px 16px 18px;
  }
  .main-nav.is-open{display:flex;}
  .main-nav .nav-link{padding:14px 6px;border-bottom:1px solid var(--c-line-soft);font-size:16px;}
  .main-nav .nav-link.is-active{border-radius:10px;padding:14px 12px;border-bottom:0;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .search-box{display:none;}
  .section{padding:var(--sp-7) 0;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .filter-pills{justify-content:flex-start;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  .hero{padding:var(--sp-7) 0 var(--sp-6);}
  .hero-visual{min-height:360px;margin-top:var(--sp-6);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:var(--sp-5);}
  .faq-grid{grid-template-columns:1fr;}
}
@media screen and (max-width:639px){
  body{font-size:15.5px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  h1{font-size:26px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .header-inner{height:64px;gap:12px;}
  .brand-text small{display:none;}
  .link-btn{display:none;}
  .header-tools .btn-sm{padding:0 14px;}
  .section{padding:56px 0;}
  .phone-card{width:228px;}
  .phone-card-back{transform:translate(-50%,-50%) translate(46px,18px) scale(.92);}
  .clip-card{width:212px;}
  .stat-num{font-size:28px;}
  .news-card-thumb{height:132px;}
  .check-row{align-items:flex-start;}
  .check-thumb{display:none;}
  .review-card{width:262px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --surface-2:#F1F5FB;
  --primary:#1A56C4;
  --primary-dark:#12408F;
  --primary-light:#E8F0FE;
  --accent:#FF6B2C;
  --accent-hover:#E85A1C;
  --accent-light:#FFF0E8;
  --success:#12A594;
  --success-light:#E4F6F3;
  --text:#0F172A;
  --text-2:#4A5A75;
  --text-3:#8794AB;
  --border:#E4EAF3;
  --divider:#EEF2F8;
  --footer-bg:#0F1D33;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(15,23,42,.04),0 8px 24px rgba(15,23,42,.06);
  --shadow-2:0 2px 4px rgba(15,23,42,.05),0 16px 36px rgba(26,86,196,.12);
  --shadow-3:0 24px 60px rgba(15,23,42,.16);
  --ease:200ms ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-dark);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-0.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;}

.grid-container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--border);
  transition:height var(--ease),box-shadow var(--ease);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
  transition:height var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(15,23,42,.08);}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(140deg,var(--primary),var(--primary-dark));
  color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  text-transform:lowercase;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:16px;color:var(--text);letter-spacing:-0.01em;}
.brand-text small{font-size:11px;color:var(--text-3);letter-spacing:.08em;}
.brand:hover .brand-text strong{color:var(--primary);}

.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:8px 12px;
  border-radius:999px;
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--primary);background:var(--surface-2);}
.nav-link::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:center;
  transition:transform var(--ease);
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);background:var(--primary-light);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(0);}

.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:200px;height:40px;padding:0 14px;
  border:1px solid var(--border);border-radius:999px;background:var(--surface-2);
  transition:width var(--ease),border-color var(--ease),background var(--ease);
}
.search-box i{color:var(--text-3);font-size:13px;}
.search-box input{
  border:0;outline:none;background:transparent;width:100%;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{width:240px;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(26,86,196,.12);}
.link-btn{font-size:15px;color:var(--text-2);padding:8px 4px;}
.link-btn:hover{color:var(--primary);}
.nav-toggle{
  display:none;border:1px solid var(--border);background:#fff;
  width:40px;height:40px;border-radius:var(--radius-sm);
  color:var(--text);cursor:pointer;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,107,44,.24);}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,107,44,.3);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Badges ---------- */
.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-blue{background:var(--primary-light);color:var(--primary-dark);}
.badge-orange{background:var(--accent-light);color:var(--accent-hover);}
.badge-green{background:var(--success-light);color:#0B7A6E;}

/* ---------- Breadcrumb ---------- */
.breadcrumb-wrap{background:var(--surface);border-bottom:1px solid var(--divider);}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);
  padding:16px 0;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- Article head ---------- */
.article-head{padding:40px 0 8px;}
.article-head .meta-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.article-title{
  font-size:40px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-0.01em;
  margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  color:var(--text-3);font-size:14px;
  font-variant-numeric:tabular-nums;
  padding-bottom:24px;
  border-bottom:1px solid var(--divider);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{font-size:13px;color:var(--primary);}

.article-lead{
  margin-top:20px;
  padding:16px 20px;
  border-radius:14px;
  background:var(--primary-light);
  border-left:4px solid var(--primary);
  color:var(--primary-dark);
  font-size:15px;
  display:flex;gap:12px;align-items:flex-start;
}
.article-lead i{margin-top:4px;}

.cover-figure{
  margin:28px 0 0;
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  background:var(--surface-2);
  aspect-ratio:16/9;
}
.cover-figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- Layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:36px;
  align-items:start;
  padding:40px 0 88px;
}

.article-main{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:36px 40px 40px;
}
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:28px;line-height:1.35;color:var(--text);
  margin:40px 0 16px;padding-left:14px;
  border-left:4px solid var(--primary);
  scroll-margin-top:96px;
}
.article-body h3{
  font-size:22px;line-height:1.4;color:var(--text);
  margin:32px 0 12px;
  scroll-margin-top:96px;
}
.article-body h4{font-size:18px;margin:24px 0 10px;color:var(--text);}
.article-body ul{list-style:disc;margin:0 0 1.2em 1.5em;}
.article-body ol{list-style:decimal;margin:0 0 1.2em 1.5em;}
.article-body li{margin-bottom:.55em;}
.article-body strong{color:var(--text);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:4px solid var(--accent);
  background:var(--accent-light);
  border-radius:0 12px 12px 0;
  color:var(--text);
  font-size:16px;
}
.article-body img{
  max-width:100%;height:auto;border-radius:12px;margin:24px auto;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;
}
.article-body table{
  width:100%;margin:24px 0;font-size:15px;
  border-radius:12px;overflow:hidden;
  border:1px solid var(--border);
}
.article-body th{
  background:var(--primary-light);color:var(--primary-dark);
  text-align:left;padding:12px 16px;font-weight:700;
  border-bottom:1px solid var(--border);
}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--divider);}
.article-body tr:nth-child(even) td{background:var(--surface-2);}
.article-body tr:last-child td{border-bottom:0;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--primary-dark);}
.article-body hr{border:0;border-top:1px solid var(--divider);margin:32px 0;}

.article-empty{
  text-align:center;padding:56px 24px;border-radius:var(--radius-card);
  background:var(--surface-2);
}
.article-empty i{font-size:34px;color:var(--text-3);margin-bottom:16px;display:block;}
.article-empty h2{font-size:22px;margin-bottom:10px;}
.article-empty p{color:var(--text-2);margin-bottom:22px;}

/* ---------- Sidebar ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:22px;
}
.side-title{
  font-size:15px;font-weight:700;color:var(--text);
  display:flex;align-items:center;gap:8px;
  padding-bottom:14px;margin-bottom:14px;
  border-bottom:1px solid var(--divider);
}
.side-title i{color:var(--primary);font-size:14px;}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto;}
.toc-list a{
  display:block;font-size:14px;color:var(--text-2);
  padding:7px 10px;border-radius:8px;line-height:1.55;
  border-left:2px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.toc-list a:hover{background:var(--surface-2);color:var(--primary);border-left-color:var(--primary);}
.toc-list .toc-h3 a{padding-left:22px;font-size:13.5px;color:var(--text-3);}

.side-post{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--divider);}
.side-post:last-child{border-bottom:0;padding-bottom:0;}
.side-post:first-of-type{padding-top:0;}
.side-thumb{
  width:76px;height:76px;border-radius:12px;overflow:hidden;flex:0 0 auto;
  background:var(--surface-2);
}
.side-thumb img{width:100%;height:100%;object-fit:cover;}
.side-post-body{min-width:0;}
.side-post-body h4{
  font-size:14.5px;line-height:1.5;font-weight:600;
  margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.side-post-body h4 a{color:var(--text);}
.side-post-body h4 a:hover{color:var(--primary);}
.side-post-body .meta{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}

.side-cta{
  background:linear-gradient(160deg,var(--primary-light),#fff);
  border-color:#D3E1FA;
}
.side-cta h3{font-size:17px;margin-bottom:8px;color:var(--primary-dark);}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:16px;line-height:1.7;}

/* ---------- Footer nav cards ---------- */
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  margin-top:32px;
}
.post-nav-card{
  display:block;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D3E1FA;}
.post-nav-card .dir{font-size:12px;color:var(--text-3);letter-spacing:.06em;margin-bottom:8px;display:flex;align-items:center;gap:6px;}
.post-nav-card h4{font-size:16px;color:var(--text);line-height:1.55;}
.post-nav-card:hover h4{color:var(--primary);}

.section-block{padding:64px 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;
}
.section-head h2{font-size:28px;line-height:1.3;}
.section-head p{font-size:15px;color:var(--text-2);margin-top:8px;}
.section-more{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.section-more:hover{gap:10px;}

.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rec-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rec-card .thumb{aspect-ratio:16/10;background:var(--surface-2);overflow:hidden;}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;}
.rec-card .body{padding:18px 20px 20px;}
.rec-card .body h3{font-size:16px;line-height:1.55;margin-bottom:10px;}
.rec-card .body h3 a{color:var(--text);}
.rec-card .body h3 a:hover{color:var(--primary);}
.rec-card .body p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-card .foot{font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;}

/* ---------- CTA band ---------- */
.cta-band{
  margin:64px 0 0;
  background:var(--primary-light);
  border-radius:var(--radius-lg);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:rgba(26,86,196,.07);
}
.cta-band .cta-copy{position:relative;z-index:1;max-width:640px;}
.cta-band h2{font-size:26px;margin-bottom:10px;color:var(--primary-dark);}
.cta-band p{font-size:15px;color:var(--text-2);}
.cta-band .btn{position:relative;z-index:1;flex:0 0 auto;}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer-bg);color:#C6D1E3;margin-top:96px;padding:64px 0 0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-desc{font-size:14px;color:#8E9CB6;line-height:1.8;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#A9B7CD;font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-note{font-size:13px;color:#7E8CA6;margin-top:12px;line-height:1.7;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7E8CA6;
}
.site-footer .grid-x{gap:32px 0;}

/* ---------- Responsive ---------- */
@media screen and (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .main-nav.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:16px;right:16px;top:72px;
    background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
    box-shadow:var(--shadow-3);padding:14px;margin:0;
  }
  .main-nav.is-open .nav-link{padding:12px 14px;border-radius:10px;}
  .main-nav.is-open .nav-link::after{display:none;}
  .search-box{width:160px;}
  .search-box:focus-within{width:180px;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;}
  .article-title{font-size:32px;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
}
@media screen and (max-width:767px){
  .grid-container{padding:0 16px;}
  .header-inner{gap:12px;}
  .search-box{display:none;}
  .link-btn{display:none;}
  .article-head{padding:28px 0 0;}
  .article-title{font-size:26px;line-height:1.3;}
  .article-main{padding:24px 20px 28px;}
  .article-body{font-size:15.5px;}
  .article-body h2{font-size:22px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .article-layout{padding:24px 0 56px;gap:24px;}
  .post-nav{grid-template-columns:1fr;}
  .rec-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:22px;}
  .cta-band{padding:28px 22px;margin-top:48px;}
  .cta-band h2{font-size:20px;}
  .cta-band .btn{width:100%;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media screen and (max-width:519px){
  .breadcrumb .current{max-width:22ch;}
  .article-meta{gap:12px 16px;font-size:13px;}
  .side-card{padding:18px;}
}

/* roulang page: category1 */
:root{
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --surface-alt:#F1F5FB;
  --primary:#1A56C4;
  --primary-dark:#12408F;
  --primary-soft:#E8F0FE;
  --accent:#FF6B2C;
  --accent-hover:#E85A1C;
  --accent-soft:#FFF0E8;
  --mint:#12A594;
  --mint-soft:#E6F6F3;
  --text:#0F172A;
  --text-2:#4A5A75;
  --text-3:#8794AB;
  --border:#E4EAF3;
  --line:#EEF2F8;
  --footer-bg:#0F1D33;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:22px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(15,23,42,.04),0 8px 24px rgba(15,23,42,.06);
  --shadow-2:0 2px 4px rgba(15,23,42,.05),0 16px 36px rgba(26,86,196,.12);
  --shadow-3:0 24px 60px rgba(15,23,42,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease);}
a:hover{color:var(--primary-dark);}
button,input{font:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.28;letter-spacing:-.01em;font-weight:700;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--border);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,23,42,.07);}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h);transition:height .2s var(--ease);}
.site-header.is-scrolled .header-inner{height:64px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(140deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:17px;font-weight:800;font-style:normal;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(26,86,196,.28);
  text-transform:lowercase;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-text small{font-size:11px;color:var(--text-3);letter-spacing:.14em;}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  position:relative;
  font-size:15px;color:var(--text-2);
  padding:8px 12px;border-radius:var(--radius-pill);
  white-space:nowrap;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);transition:left .2s var(--ease),right .2s var(--ease);
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link:hover::after{left:14px;right:14px;}
.nav-link.is-active{color:var(--primary);background:var(--primary-soft);font-weight:700;}
.nav-link.is-active::after{left:14px;right:14px;}

.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{
  position:relative;display:flex;align-items:center;
  width:200px;height:40px;padding:0 14px;
  background:var(--surface-alt);
  border:1px solid var(--border);
  border-radius:var(--radius-pill);
  transition:width .22s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.search-box i{color:var(--text-3);font-size:13px;margin-right:8px;}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{width:240px;background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,86,196,.12);}

.link-btn{font-size:15px;color:var(--text-2);padding:8px 4px;position:relative;}
.link-btn::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);}
.link-btn:hover{color:var(--primary);}
.link-btn:hover::after{transform:scaleX(1);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn i{font-size:13px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,107,44,.24);}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,107,44,.3);}
.btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn-ghost:hover{background:rgba(26,86,196,.06);color:var(--primary-dark);transform:translateY(-1px);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.5);}
.btn-light:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--border);background:#fff;color:var(--text-2);font-size:16px;
}
.nav-toggle:hover{color:var(--primary);border-color:#c9d8f2;}

/* ============ page hero ============ */
.page-hero{
  position:relative;
  background:#12305e url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(15,29,51,.90) 0%,rgba(26,86,196,.72) 58%,rgba(26,86,196,.52) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:36px 0 64px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:26px;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#fff;font-weight:600;}

.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:12px;letter-spacing:.06em;color:#fff;margin-bottom:18px;
}
.page-hero h1{font-size:42px;font-weight:800;letter-spacing:-.01em;color:#fff;margin-bottom:16px;}
.page-hero .hero-lead{font-size:17px;line-height:1.8;color:rgba(255,255,255,.9);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-marks{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px;}
.hero-mark{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.88);}
.hero-mark i{color:#9fe6da;font-size:13px;}

.portrait-wrap{display:flex;justify-content:flex-end;position:relative;}
.portrait-card{
  position:relative;width:100%;max-width:280px;aspect-ratio:9/16;
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-3);
  background:#12408F;
}
.portrait-card img{width:100%;height:100%;object-fit:cover;}
.portrait-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:46%;
  background:linear-gradient(to top,rgba(15,23,42,.78),rgba(15,23,42,0));
}
.portrait-tag{
  position:absolute;top:14px;left:14px;z-index:3;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.92);color:var(--primary-dark);
  font-size:12px;font-weight:700;
}
.portrait-time{
  position:absolute;top:14px;right:14px;z-index:3;
  padding:4px 10px;border-radius:var(--radius-pill);
  background:rgba(15,23,42,.6);color:#fff;font-size:12px;
  font-variant-numeric:tabular-nums;
}
.portrait-caption{position:absolute;left:18px;right:18px;bottom:18px;z-index:3;color:#fff;}
.portrait-caption h3{font-size:16px;color:#fff;margin-bottom:6px;}
.portrait-caption p{font-size:12.5px;color:rgba(255,255,255,.8);line-height:1.6;}

/* ============ section base ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--surface-alt);}
.section-head{max-width:720px;margin-bottom:42px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--primary);
  background:var(--primary-soft);padding:5px 12px;border-radius:var(--radius-pill);
  margin-bottom:14px;
}
.section-title{font-size:28px;font-weight:800;margin-bottom:12px;}
.section-sub{font-size:15.5px;color:var(--text-2);line-height:1.8;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.text-link{font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.text-link i{font-size:11px;transition:transform .2s var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ============ prep cards ============ */
.prep-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 24px;height:100%;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#cfdcf5;}
.prep-icon{
  width:44px;height:44px;border-radius:13px;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px;
}
.prep-icon.accent{background:var(--accent-soft);color:var(--accent);}
.prep-icon.mint{background:var(--mint-soft);color:var(--mint);}
.prep-card h3{font-size:18px;margin-bottom:10px;}
.prep-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.prep-list{margin-top:14px;border-top:1px dashed var(--line);padding-top:14px;}
.prep-list li{
  position:relative;padding-left:18px;font-size:13.5px;color:var(--text-2);margin-bottom:8px;
}
.prep-list li::before{
  content:"";position:absolute;left:2px;top:9px;width:6px;height:6px;border-radius:50%;background:var(--primary);
}

/* ============ timeline ============ */
.timeline{position:relative;max-width:900px;margin:0 auto;}
.timeline::before{
  content:"";position:absolute;left:19px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--primary-soft),var(--border));
}
.timeline-item{position:relative;display:flex;gap:22px;padding-bottom:22px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);color:var(--primary);
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;position:relative;z-index:2;
  box-shadow:0 4px 12px rgba(26,86,196,.14);
}
.timeline-body{
  flex:1 1 auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.timeline-body:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#cfdcf5;}
.timeline-body h3{font-size:19px;margin-bottom:10px;}
.timeline-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.timeline-tip{
  margin-top:12px;padding:10px 14px;border-radius:var(--radius-sm);
  background:var(--surface-alt);border-left:3px solid var(--primary-soft);
  font-size:13.5px;color:var(--text-2);
}
.timeline-tip strong{color:var(--primary-dark);}

/* ============ compare ============ */
.compare-col{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:30px 28px;height:100%;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.compare-col:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.compare-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.compare-head .ico{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:16px;
}
.compare-head .ico.orange{background:var(--accent-soft);color:var(--accent);}
.compare-head h3{font-size:19px;}
.compare-col ul{display:flex;flex-direction:column;gap:14px;}
.compare-col li{display:flex;gap:12px;font-size:14.5px;color:var(--text-2);line-height:1.75;}
.compare-col li i{color:var(--mint);font-size:14px;margin-top:6px;flex:0 0 auto;}

.strip{
  margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  background:var(--mint-soft);border:1px solid #bfe8e1;border-radius:var(--radius-lg);
  padding:22px 26px;
}
.strip .strip-ico{
  width:44px;height:44px;border-radius:12px;background:#fff;color:var(--mint);
  display:flex;align-items:center;justify-content:center;font-size:17px;flex:0 0 auto;
}
.strip strong{display:block;font-size:16px;color:#0B6B5F;margin-bottom:4px;}
.strip p{font-size:14px;color:#2A6F65;line-height:1.75;}

/* ============ issue cards ============ */
.issue-card{
  display:flex;gap:14px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:22px;height:100%;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.issue-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#cfdcf5;}
.issue-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  background:var(--surface-alt);color:var(--primary);
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.issue-card h3{font-size:16.5px;margin-bottom:8px;}
.issue-card p{font-size:14px;color:var(--text-2);line-height:1.78;}

/* ============ faq ============ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:#cfdcf5;box-shadow:var(--shadow-2);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--text);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--primary);
  line-height:1;transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item[open] summary{color:var(--primary-dark);}
.faq-answer{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ============ cta band ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--primary-soft);border:1px solid #cfe0fb;border-radius:20px;
  padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:rgba(26,86,196,.09);
}
.cta-band::before{
  content:"";position:absolute;right:120px;bottom:-70px;width:150px;height:150px;border-radius:50%;
  background:rgba(255,107,44,.09);
}
.cta-copy{position:relative;z-index:2;max-width:640px;}
.cta-copy h2{font-size:26px;margin-bottom:10px;}
.cta-copy p{font-size:15px;color:var(--text-2);line-height:1.8;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ footer ============ */
.site-footer{background:var(--footer-bg);color:#B9C6DA;padding:64px 0 0;margin-top:88px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand-mark{width:30px;height:30px;font-size:15px;background:linear-gradient(140deg,var(--primary),var(--primary-dark));}
.footer-desc{font-size:14px;line-height:1.85;color:#8FA1BC;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:#9FB0C9;font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-note{font-size:13px;color:#7B8CA6;line-height:1.7;margin-top:14px;}
.footer-bottom{
  margin-top:50px;border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:10px;font-size:13px;color:#7B8CA6;
}

/* ============ responsive ============ */
@media screen and (max-width:1023px){
  .header-inner{gap:14px;}
  .main-nav{
    position:fixed;left:0;right:0;top:var(--header-h);
    height:calc(100vh - var(--header-h));
    background:#fff;flex-direction:column;align-items:stretch;gap:6px;
    padding:20px 24px 110px;margin:0;
    transform:translateX(-104%);transition:transform .26s var(--ease);
    box-shadow:0 20px 40px rgba(15,23,42,.14);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{font-size:16px;padding:14px 16px;border-radius:12px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:var(--primary-soft);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .search-box{width:170px;}
  .search-box:focus-within{width:190px;}
  .page-hero h1{font-size:34px;}
  .page-hero-inner{padding:28px 0 56px;}
  .section{padding:68px 0;}
  .section-title{font-size:24px;}
}

@media screen and (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .search-box{display:none;}
  .link-btn{display:none;}
  .page-hero h1{font-size:28px;}
  .page-hero .hero-lead{font-size:15.5px;}
  .page-hero-inner{padding:22px 0 46px;}
  .portrait-wrap{justify-content:center;margin-top:32px;}
  .portrait-card{max-width:240px;}
  .hero-marks{gap:14px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-title{font-size:22px;}
  .timeline-body{padding:18px 18px;}
  .timeline-item{gap:14px;}
  .timeline-dot{flex:0 0 34px;width:34px;height:34px;font-size:12px;}
  .timeline::before{left:16px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .cta-copy h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{font-size:16px;padding:18px 18px;}
  .faq-answer{padding:0 18px 18px;}
  .site-footer{padding-top:48px;margin-top:60px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media screen and (max-width:519px){
  .brand-text small{display:none;}
  .page-hero h1{font-size:25px;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --surface-alt:#F1F5FB;
  --primary:#1A56C4;
  --primary-deep:#12408F;
  --primary-soft:#E8F0FE;
  --accent:#FF6B2C;
  --accent-hover:#E85A1C;
  --accent-soft:#FFF0E8;
  --safe:#12A594;
  --safe-soft:#E6F6F3;
  --text:#0F172A;
  --text-sub:#4A5A75;
  --text-weak:#8794AB;
  --border:#E4EAF3;
  --divider:#EEF2F8;
  --radius-card:16px;
  --radius-hero:22px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(15,23,42,.04),0 8px 24px rgba(15,23,42,.06);
  --shadow-2:0 2px 4px rgba(15,23,42,.05),0 16px 36px rgba(26,86,196,.12);
  --shadow-3:0 24px 60px rgba(15,23,42,.16);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25;color:var(--text);}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media screen and (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease,padding .2s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(15,23,42,.07);}
.header-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#fff;
  font-weight:800;
  font-size:17px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
  box-shadow:0 6px 16px rgba(26,86,196,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:16px;font-weight:800;color:var(--text);}
.brand-text small{font-size:11px;color:var(--text-weak);letter-spacing:.16em;}

.main-nav{display:flex;align-items:center;gap:28px;margin-left:12px;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-sub);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  color:var(--primary);
  font-weight:600;
  background:var(--primary-soft);
  padding:6px 14px;
  border-radius:var(--radius-pill);
}
.nav-link.is-active::after{display:none;}

.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;width:200px;
  padding:0 16px;
  background:var(--surface-alt);
  border:1px solid var(--border);
  border-radius:var(--radius-pill);
  transition:width .2s ease,border-color .2s ease,background .2s ease;
}
.search-box i{color:var(--text-weak);font-size:13px;}
.search-box input{
  border:0;background:transparent;outline:none;
  width:100%;font-size:14px;color:var(--text);font-family:inherit;
}
.search-box input::placeholder{color:var(--text-weak);}
.search-box:focus-within{width:240px;border-color:var(--primary);background:#fff;}

.link-btn{font-size:15px;color:var(--text-sub);padding:8px 4px;}
.link-btn:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,107,44,.24);}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,107,44,.3);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep);transform:translateY(-1px);}
.btn-line{background:#fff;color:var(--text-sub);border-color:var(--border);}
.btn-line:hover{background:var(--surface-alt);color:var(--text);}
.btn:active{transform:translateY(0);}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;color:var(--text);
  cursor:pointer;
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-weak);
  padding:20px 0 0;
}
.breadcrumb a{color:var(--text-weak);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{color:#C3CCDB;}

/* ============ 分类头图 ============ */
.cat-hero{
  position:relative;
  margin-top:16px;
  border-radius:var(--radius-hero);
  overflow:hidden;
  background-image:linear-gradient(100deg,rgba(18,64,143,.92) 0%,rgba(26,86,196,.82) 48%,rgba(26,86,196,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:56px 48px;
}
.cat-hero-inner{max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  font-size:12px;letter-spacing:.08em;
  color:#EAF2FF;
}
.cat-hero h1{
  font-size:42px;
  font-weight:800;
  color:#fff;
  margin:18px 0 16px;
}
.cat-hero p.lead{
  font-size:16.5px;
  line-height:1.8;
  color:rgba(255,255,255,.9);
  max-width:560px;
}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cat-hero .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);}
.cat-hero .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.hero-marks{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;}
.hero-mark{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.88);}
.hero-mark i{color:#9DC0FF;font-size:14px;}

/* ============ 板块通用 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--surface);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.section-head h2{font-size:28px;}
.section-head p{color:var(--text-sub);font-size:15px;margin-top:10px;max-width:640px;}
.section-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.section-more i{font-size:12px;transition:transform .2s ease;}
.section-more:hover i{transform:translateX(3px);}

/* ============ 数据条 ============ */
.stat-strip{
  background:var(--surface-alt);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:32px 24px;
}
.stat-strip .grid-x{row-gap:24px;}
.stat-block{text-align:center;padding:8px 12px;}
.stat-num{
  font-size:34px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.stat-num small{font-size:16px;font-weight:600;margin-left:2px;}
.stat-label{font-size:13.5px;color:var(--text-sub);margin-top:8px;}

/* ============ 竖屏卡网格 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 16px;
  border-radius:var(--radius-pill);
  background:var(--surface-alt);
  border:1px solid var(--border);
  font-size:13px;color:var(--text-sub);
  transition:all .2s ease;
}
.tag:hover{background:var(--primary-soft);border-color:#C6D9FA;color:var(--primary-deep);}
.tag.is-on{background:var(--primary);border-color:var(--primary);color:#fff;}

.pcard-grid .cell{margin-bottom:28px;}
.pcard{
  position:relative;
  display:block;
  border-radius:20px;
  overflow:hidden;
  background:var(--surface-alt);
  box-shadow:var(--shadow-1);
  border:1px solid var(--border);
  transition:transform .2s ease,box-shadow .2s ease;
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.pcard-media{
  position:relative;
  width:100%;
  aspect-ratio:9 / 16;
  overflow:hidden;
  background:#DCE5F3;
}
.pcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.pcard:hover .pcard-media img{transform:scale(1.04);}
.pcard-media::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:58%;
  background:linear-gradient(180deg,rgba(15,23,42,0) 0%,rgba(15,23,42,.72) 100%);
}
.pcard-badge{
  position:absolute;top:12px;left:12px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.9);
  color:var(--primary-deep);
  font-size:12px;font-weight:600;
}
.pcard-time{
  position:absolute;top:12px;right:12px;
  padding:4px 10px;border-radius:8px;
  background:rgba(15,23,42,.6);
  color:#fff;font-size:12px;
  font-variant-numeric:tabular-nums;
}
.pcard-caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px;
  color:#fff;
}
.pcard-caption h3{
  font-size:15.5px;font-weight:700;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pcard-meta{
  display:flex;align-items:center;gap:10px;
  margin-top:8px;font-size:12px;color:rgba(255,255,255,.82);
  font-variant-numeric:tabular-nums;
}
.pcard-play{
  position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%) scale(.9);
  width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:16px;
  opacity:0;transition:opacity .2s ease,transform .2s ease;
}
.pcard:hover .pcard-play{opacity:1;transform:translate(-50%,-50%) scale(1);}

/* ============ 图文交替 ============ */
.feature-row{
  display:flex;
  align-items:center;
  gap:56px;
  padding:36px 0;
  border-bottom:1px solid var(--divider);
}
.feature-row:last-child{border-bottom:0;padding-bottom:0;}
.feature-row.reverse{flex-direction:row-reverse;}
.feature-text{flex:1 1 0;min-width:0;}
.feature-media{flex:0 0 46%;max-width:46%;}
.feature-media img{
  width:100%;height:320px;object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.feature-text h3{font-size:22px;margin-bottom:14px;}
.feature-text p{color:var(--text-sub);font-size:15.5px;}
.feature-list{margin-top:18px;display:grid;gap:12px;}
.feature-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--text-sub);
}
.feature-list i{color:var(--safe);font-size:14px;margin-top:4px;}

/* ============ 横滚片段条 ============ */
.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:8px 4px 24px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:#D3DDEC;border-radius:99px;}
.rail-item{
  flex:0 0 200px;
  scroll-snap-align:start;
}
.rail-item .pcard-media{aspect-ratio:9 / 16;border-radius:16px;overflow:hidden;}
.rail-item .pcard{background:transparent;border:0;box-shadow:none;}
.rail-item .pcard:hover{transform:translateY(-3px);box-shadow:none;}
.rail-title{font-size:13.5px;font-weight:600;margin-top:10px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-sub{font-size:12px;color:var(--text-weak);margin-top:4px;font-variant-numeric:tabular-nums;}

/* ============ 口碑条 ============ */
.voice-rail{display:flex;gap:20px;overflow-x:auto;padding:8px 4px 20px;scroll-snap-type:x mandatory;}
.voice-card{
  flex:0 0 280px;
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:20px;
}
.voice-head{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  flex:0 0 40px;
}
.avatar.alt{background:linear-gradient(140deg,#FF8B57,var(--accent));}
.avatar.alt2{background:linear-gradient(140deg,#3FC7B8,var(--safe));}
.voice-name{font-size:14.5px;font-weight:600;}
.voice-time{font-size:12px;color:var(--text-weak);}
.stars{color:var(--accent);font-size:12px;margin-top:12px;letter-spacing:2px;}
.voice-text{font-size:14px;color:var(--text-sub);margin-top:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

/* ============ 提示条 ============ */
.notice-bar{
  display:flex;align-items:flex-start;gap:14px;
  background:var(--safe-soft);
  border:1px solid #C9EBE5;
  border-radius:14px;
  padding:18px 22px;
  margin-top:36px;
}
.notice-bar i{color:var(--safe);font-size:18px;margin-top:3px;}
.notice-bar strong{display:block;font-size:15px;color:#0B6B60;margin-bottom:4px;}
.notice-bar p{font-size:14px;color:#2C6B65;}

/* ============ FAQ ============ */
.faq-wrap{margin-top:8px;}
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.accordion .accordion-title{
  border:0;
  background:#fff;
  color:var(--text);
  font-size:17px;
  font-weight:600;
  padding:20px 60px 20px 24px;
  position:relative;
  transition:background .2s ease;
}
.accordion .accordion-title:hover{background:var(--surface-alt);}
.accordion .accordion-title::after{
  content:"+";
  position:absolute;right:24px;top:50%;
  transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--primary);
  transition:transform .2s ease;
}
.accordion .accordion-item.is-active .accordion-title::after{content:"−";transform:translateY(-50%) rotate(180deg);}
.accordion .accordion-content{
  border:0;
  border-top:1px solid var(--divider);
  padding:18px 24px 22px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-sub);
  background:#fff;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--primary-soft);
  border-radius:20px;
  padding:44px 48px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-band::before{
  content:"";
  position:absolute;right:-60px;top:-60px;
  width:220px;height:220px;border-radius:50%;
  background:rgba(26,86,196,.08);
}
.cta-band::after{
  content:"";
  position:absolute;right:60px;bottom:-80px;
  width:160px;height:160px;border-radius:50%;
  background:rgba(255,107,44,.12);
}
.cta-band-text{position:relative;z-index:1;max-width:620px;}
.cta-band-text h2{font-size:26px;margin-bottom:10px;}
.cta-band-text p{color:var(--text-sub);font-size:15px;}
.cta-band-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#0F1D33;
  color:#B9C6DB;
  margin-top:88px;
  padding:72px 0 0;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(140deg,#2E6FE0,#12408F);box-shadow:none;}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;}
.footer-desc{font-size:14px;line-height:1.8;color:#93A4BF;max-width:300px;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:#A7B6CE;}
.footer-links a:hover{color:#fff;}
.footer-note{font-size:13px;color:#7C8CA6;margin-top:16px;line-height:1.75;}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0 32px;
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;
  font-size:13px;color:#7C8CA6;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1399px){
  .cat-hero h1{font-size:38px;}
}
@media screen and (max-width:1023px){
  .main-nav{
    position:fixed;
    left:0;right:0;top:72px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#fff;
    padding:16px 20px 24px;
    border-bottom:1px solid var(--border);
    box-shadow:0 24px 60px rgba(15,23,42,.16);
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-link{padding:14px 12px;font-size:16px;border-radius:10px;}
  .nav-link:hover{background:var(--surface-alt);}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:var(--primary-soft);}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .link-btn{display:none;}
  .cat-hero{padding:44px 28px;}
  .cat-hero h1{font-size:32px;}
  .section{padding:64px 0;}
  .feature-row{gap:32px;}
  .feature-text h3{font-size:20px;}
  .feature-media img{height:260px;}
  .cta-band{padding:36px 28px;}
}
@media screen and (max-width:767px){
  .feature-row,
  .feature-row.reverse{flex-direction:column;align-items:stretch;gap:22px;}
  .feature-media{flex:1 1 auto;max-width:100%;}
  .feature-media img{height:230px;}
  .section-head h2{font-size:23px;}
  .cat-hero{padding:36px 20px;border-radius:18px;}
  .cat-hero h1{font-size:27px;}
  .cat-hero p.lead{font-size:15px;}
  .cat-hero-actions .btn{width:100%;}
  .hero-marks{gap:14px;}
  .cta-band-text h2{font-size:21px;}
  .cta-band-actions{width:100%;}
  .cta-band-actions .btn{width:100%;}
  .stat-num{font-size:28px;}
}
@media screen and (max-width:519px){
  .cat-hero h1{font-size:25px;}
  .breadcrumb{font-size:12px;flex-wrap:wrap;}
  .rail-item{flex:0 0 168px;}
  .voice-card{flex:0 0 246px;}
  .accordion .accordion-title{font-size:15.5px;padding:16px 52px 16px 18px;}
  .accordion .accordion-content{padding:16px 18px 20px;}
  .site-footer{padding-top:52px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category3 */
:root{
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --surface-alt:#F1F5FB;
  --primary:#1A56C4;
  --primary-dark:#12408F;
  --primary-soft:#E8F0FE;
  --accent:#FF6B2C;
  --accent-dark:#E85A1C;
  --accent-soft:#FFF0E8;
  --teal:#12A594;
  --teal-soft:#E6F6F3;
  --ink:#0F172A;
  --ink-2:#4A5A75;
  --ink-3:#8794AB;
  --line:#E4EAF3;
  --divider:#EEF2F8;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:20px;
  --radius-xl:24px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --shadow-md:0 2px 4px rgba(15,23,42,.05), 0 16px 36px rgba(26,86,196,.12);
  --shadow-lg:0 24px 60px rgba(15,23,42,.16);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:88px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

body, input, button, select, textarea{font-family:inherit;}

h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;border:0;}
button{background:none;border:0;cursor:pointer;color:inherit;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.grid-container.full{padding-left:16px;padding-right:16px;}
.cell{min-width:0;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease, height .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(15,23,42,.08);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;transition:height .22s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-dark));
  color:#fff;font-weight:800;font-size:17px;line-height:1;
  box-shadow:0 6px 14px rgba(26,86,196,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;letter-spacing:-.01em;color:var(--ink);}
.brand-text small{font-size:11px;color:var(--ink-3);letter-spacing:.08em;}

.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-link{
  padding:8px 13px;border-radius:999px;font-size:15px;color:var(--ink-2);
  white-space:nowrap;position:relative;transition:background .2s ease,color .2s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary);background:var(--primary-soft);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);
}

.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box i{position:absolute;left:14px;font-size:13px;color:var(--ink-3);pointer-events:none;}
.search-box input{
  width:200px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface-alt);padding:0 16px 0 34px;font-size:14px;color:var(--ink);
  transition:width .22s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{
  outline:none;width:240px;background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(26,86,196,.13);
}
.link-btn{font-size:15px;color:var(--ink-2);padding:8px 4px;}
.link-btn:hover{color:var(--primary);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-s);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(255,107,44,.26);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,107,44,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:rgba(26,86,196,.06);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* ============ hero ============ */
.hero{position:relative;padding:64px 0 72px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 16% 20%, rgba(26,86,196,.11), transparent 52%),
    radial-gradient(circle at 84% 10%, rgba(255,107,44,.09), transparent 46%);
}
.hero .grid-x{position:relative;z-index:1;}
.hero-copy{padding-right:24px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;
}
.hero h1{
  font-size:42px;line-height:1.22;font-weight:800;letter-spacing:-.01em;
  margin:18px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:580px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);}
.trust-item i{color:var(--teal);font-size:15px;}

.hero-visual{position:relative;display:flex;justify-content:center;padding:10px 0 22px 24px;}
.vcard-back{
  position:absolute;top:34px;left:50%;
  width:280px;aspect-ratio:9/16;border-radius:var(--radius-xl);
  background:linear-gradient(160deg,#E8F0FE,#F1F5FB);
  transform:translateX(calc(-50% + 26px)) rotate(3.5deg);
  box-shadow:var(--shadow-sm);
}
.vcard{
  position:relative;z-index:1;width:280px;aspect-ratio:9/16;
  border-radius:var(--radius-xl);overflow:hidden;background:var(--surface-alt);
  box-shadow:var(--shadow-lg);
}
.vcard img{width:100%;height:100%;object-fit:cover;}
.vcard::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top, rgba(15,23,42,.78) 0%, rgba(15,23,42,.30) 40%, rgba(15,23,42,0) 62%);
}
.vcard-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--primary);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
}
.vcard-time{
  position:absolute;top:14px;right:14px;z-index:2;
  background:rgba(15,23,42,.6);color:#fff;
  font-size:12px;padding:4px 10px;border-radius:999px;
  font-variant-numeric:tabular-nums;
}
.vcard-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:20px;color:#fff;}
.vcard-body h3{font-size:17px;font-weight:700;line-height:1.4;margin-bottom:6px;}
.vcard-body span{font-size:12.5px;opacity:.85;}

/* ============ sections ============ */
.section{padding:var(--sp-8) 0;}
.section.tight{padding:56px 0;}
.section.alt{background:var(--surface);}
.section-head{max-width:740px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--primary);text-transform:uppercase;
}
.section-head h2{
  font-size:28px;font-weight:800;letter-spacing:-.01em;line-height:1.32;
  margin:12px 0 12px;
}
.section-head p{color:var(--ink-2);font-size:16px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ stats ============ */
.stats-band{
  background:var(--surface-alt);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:30px 28px;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{border-left:2px solid var(--primary-soft);padding-left:18px;}
.stat-num{
  font-size:30px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.2;
}
.stat-label{font-size:14px;color:var(--ink-2);margin-top:2px;}

/* ============ compare ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:28px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D6E2F5;}
.compare-card .thumb{
  width:100%;aspect-ratio:16/9;border-radius:14px;overflow:hidden;
  background:var(--surface-alt);margin-bottom:22px;
}
.compare-card .thumb img{width:100%;height:100%;object-fit:cover;}
.compare-tag{
  display:inline-block;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:999px;margin-bottom:12px;
}
.tag-blue{background:var(--primary-soft);color:var(--primary);}
.tag-orange{background:var(--accent-soft);color:var(--accent-dark);}
.tag-teal{background:var(--teal-soft);color:var(--teal);}
.compare-card h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.compare-card > p{font-size:14.5px;color:var(--ink-2);margin-bottom:18px;}

.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;border-top:1px solid var(--divider);
  font-size:14.5px;color:var(--ink-2);
}
.check-list li:first-child{border-top:0;}
.check-list li i{color:var(--primary);font-size:14px;margin-top:5px;flex:0 0 auto;}
.check-list li strong{color:var(--ink);font-weight:600;}

/* ============ icon cards ============ */
.icon-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.icon-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.icon-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D6E2F5;}
.icon-card .ic{
  width:46px;height:46px;border-radius:13px;
  display:grid;place-items:center;font-size:18px;
  background:var(--primary-soft);color:var(--primary);margin-bottom:16px;
}
.icon-card h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.icon-card p{font-size:14.5px;color:var(--ink-2);}

/* ============ safety bar ============ */
.safety-bar{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--teal-soft);border:1px solid rgba(18,165,148,.26);
  border-left:4px solid var(--teal);border-radius:var(--radius-m);
  padding:24px 26px;margin-top:28px;
}
.safety-bar .sf-ic{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;
  background:#fff;display:grid;place-items:center;color:var(--teal);font-size:17px;
}
.safety-bar strong{display:block;font-size:16px;margin-bottom:6px;color:var(--ink);}
.safety-bar p{font-size:15px;color:var(--ink-2);}

/* ============ scenarios ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.scene-card .scene-img{width:100%;aspect-ratio:16/10;background:var(--surface-alt);overflow:hidden;}
.scene-card .scene-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.scene-card:hover .scene-img img{transform:scale(1.04);}
.scene-body{padding:22px;}
.scene-body h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.scene-body p{font-size:14.5px;color:var(--ink-2);}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-num{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;margin-bottom:16px;
  background:var(--primary);color:#fff;font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-2);}

/* ============ faq ============ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{border-color:#D6E2F5;}
.faq-item.is-open{box-shadow:var(--shadow-sm);border-color:#CBDDF6;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q i{color:var(--primary);font-size:14px;transition:transform .22s ease;flex:0 0 auto;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;color:var(--ink-2);}

/* ============ cta ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--primary-soft);border-radius:var(--radius-l);
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:240px;height:240px;
  border-radius:50%;background:rgba(255,255,255,.55);pointer-events:none;
}
.cta-band::before{
  content:"";position:absolute;right:120px;bottom:-90px;width:180px;height:180px;
  border-radius:50%;background:rgba(255,107,44,.08);pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:620px;}
.cta-copy h2{font-size:26px;font-weight:800;letter-spacing:-.01em;margin-bottom:10px;}
.cta-copy p{font-size:15.5px;color:var(--ink-2);}
.cta-band .btn{position:relative;z-index:1;flex:0 0 auto;}

/* ============ footer ============ */
.site-footer{background:#0F1D33;color:rgba(255,255,255,.72);padding:64px 0 24px;margin-top:88px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;}
.footer-brand .brand-mark{background:linear-gradient(140deg,#2B6BE0,#12408F);box-shadow:none;}
.footer-brand strong{font-size:16px;letter-spacing:-.01em;}
.footer-desc{font-size:14px;line-height:1.72;color:rgba(255,255,255,.62);}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-links a:hover{color:#fff;}
.footer-note{font-size:13px;color:rgba(255,255,255,.48);margin-top:14px;line-height:1.7;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:44px;padding-top:20px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ responsive ============ */
@media (max-width:1399px){
  .hero h1{font-size:38px;}
}

@media (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .header-inner{gap:14px;}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;bottom:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;padding:18px 20px 90px;
    transform:translateX(100%);transition:transform .26s ease;
    overflow-y:auto;margin:0;z-index:99;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{width:100%;padding:14px 16px;border-radius:12px;font-size:16px;}
  .nav-link.is-active::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
  .section{padding:64px 0;}
  .section.tight{padding:48px 0;}
  .hero{padding:44px 0 56px;}
  .hero h1{font-size:32px;}
  .hero-copy{padding-right:0;margin-bottom:48px;}
  .hero-visual{padding-left:0;}
  .vcard-back{display:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .icon-cards{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px;gap:22px;}
  .site-footer{padding:52px 0 20px;}
  .footer-brand{margin-top:24px;}
}

@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .brand-text small{display:none;}
  .link-btn{display:none;}
  .hero h1{font-size:27px;}
  .hero-lead{font-size:15.5px;}
  .section-head h2{font-size:22px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .stat-num{font-size:25px;}
  .compare-grid{grid-template-columns:1fr;}
  .icon-cards{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-copy h2{font-size:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:520px){
  .header-inner{height:64px;}
  .btn{height:44px;padding:0 18px;font-size:14.5px;}
  .btn-lg{height:48px;font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .vcard{width:100%;max-width:280px;}
  .trust-row{gap:14px;}
  .stats-band{padding:22px 18px;}
  .compare-card{padding:22px 18px;}
  .safety-bar{flex-direction:column;padding:20px;}
  .cta-band{padding:28px 20px;}
  .cta-band .btn{width:100%;}
}

/* roulang page: category4 */
:root{
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --surface-alt:#F1F5FB;
  --brand:#1A56C4;
  --brand-dark:#12408F;
  --brand-soft:#E8F0FE;
  --accent:#FF6B2C;
  --accent-hover:#E85A1C;
  --accent-soft:#FFF0E8;
  --ok:#12A594;
  --ok-soft:#E4F6F3;
  --text:#0F172A;
  --text-2:#4A5A75;
  --text-3:#8794AB;
  --line:#E4EAF3;
  --divider:#EEF2F8;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:16px;
  --r-xl:22px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.04),0 8px 24px rgba(15,23,42,.06);
  --shadow-hover:0 2px 4px rgba(15,23,42,.05),0 16px 36px rgba(26,86,196,.12);
  --shadow-float:0 24px 60px rgba(15,23,42,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
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;color:var(--text);font-weight:700;letter-spacing:-0.01em;line-height:1.28;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px;margin:0 auto;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--divider);
  transition:box-shadow .2s ease,height .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(15,23,42,.08);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;font-weight:800;font-size:17px;line-height:32px;text-align:center;
  font-family:Georgia,serif;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--text);letter-spacing:-0.01em;}
.brand-text small{font-size:11px;color:var(--text-3);letter-spacing:.06em;}
.main-nav{display:flex;align-items:center;gap:26px;flex:1 1 auto;justify-content:center;}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 2px;white-space:nowrap;
}
.nav-link::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 .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  color:var(--brand);background:var(--brand-soft);border-radius:999px;
  padding:6px 14px;font-weight:600;
}
.nav-link.is-active::after{display:none;}
.header-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:200px;height:40px;padding:0 14px;
  background:var(--surface-alt);border:1px solid var(--line);border-radius:999px;
  transition:width .22s ease,border-color .18s ease,background .18s ease;
}
.search-box i{color:var(--text-3);font-size:13px;}
.search-box input{
  width:100%;border:0;background:transparent;outline:none;color:var(--text);font-size:14px;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{width:240px;border-color:var(--brand);background:#fff;}
.link-btn{font-size:15px;color:var(--text-2);white-space:nowrap;}
.link-btn:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,107,44,.22);}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,107,44,.28);}
.btn-secondary{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-secondary:hover{background:rgba(26,86,196,.06);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost{background:var(--brand-soft);color:var(--brand);}
.btn-ghost:hover{background:#dbe8fc;color:var(--brand-dark);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--text-2);cursor:pointer;
}
.nav-toggle:hover{color:var(--brand);border-color:var(--brand);}

/* ---------- 页面头 ---------- */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  background-image:linear-gradient(90deg,rgba(26,86,196,.86),rgba(18,64,143,.72)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:auto -80px -160px auto;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),transparent 68%);
}
.page-hero .grid-container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.88);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.05em;
  background:rgba(255,255,255,.16);color:#fff;margin-bottom:16px;
}
.page-hero h1{font-size:40px;font-weight:800;color:#fff;margin-bottom:16px;max-width:760px;}
.page-hero .hero-sub{font-size:16px;line-height:1.85;color:rgba(255,255,255,.88);max-width:680px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags .tag{
  padding:6px 14px;border-radius:999px;font-size:12px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#fff;
}
.hero-search-card{
  background:rgba(255,255,255,.96);
  border-radius:var(--r-xl);
  padding:24px;
  box-shadow:var(--shadow-float);
  margin-top:8px;
}
.hero-search-card .label{font-size:14px;font-weight:700;color:var(--text);margin-bottom:12px;display:block;}
.hero-search{
  display:flex;align-items:center;gap:10px;height:52px;padding:0 18px;
  border:1px solid var(--line);border-radius:999px;background:var(--surface-alt);
  transition:border-color .18s ease,background .18s ease;
}
.hero-search:focus-within{border-color:var(--brand);background:#fff;}
.hero-search i{color:var(--brand);font-size:15px;}
.hero-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;color:var(--text);}
.hero-search input::placeholder{color:var(--text-3);}
.hot-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.hot-links a{
  font-size:13px;color:var(--brand);background:var(--brand-soft);
  padding:5px 12px;border-radius:999px;
}
.hot-links a:hover{background:#dbe8fc;color:var(--brand-dark);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--surface-alt);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .kicker{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--brand);text-transform:uppercase;margin-bottom:12px;display:block;}
.section-head h2{font-size:28px;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;}

/* ---------- FAQ 主体 ---------- */
.faq-layout{padding:72px 0 88px;}
.sticky-cell{align-self:flex-start;position:sticky;top:96px;}
.anchor-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-sm);
}
.anchor-title{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--text);}
.anchor-nav{display:flex;flex-direction:column;gap:4px;}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--text-2);
  transition:background .18s ease,color .18s ease;
}
.anchor-nav a i{font-size:12px;color:var(--text-3);}
.anchor-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.anchor-nav a:hover i{color:var(--brand);}
.anchor-nav a.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.anchor-nav a.is-active i{color:var(--brand);}
.anchor-extra{
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-2);line-height:1.7;
}
.anchor-extra a{font-weight:600;}

.faq-group{margin-bottom:44px;}
.faq-group:last-child{margin-bottom:0;}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.group-head .dot{
  width:34px;height:34px;border-radius:11px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14px;flex:0 0 auto;
}
.group-head h3{font-size:20px;}
.group-head .count{
  margin-left:auto;font-size:12px;color:var(--text-3);
  background:var(--surface-alt);border:1px solid var(--line);border-radius:999px;padding:4px 12px;
}
.faq-acc{list-style:none;margin:0;padding:0;background:transparent;}
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.faq-acc .accordion-item:hover{border-color:#cddcf5;box-shadow:var(--shadow-hover);}
.faq-acc .accordion-title{
  display:block;position:relative;border:0;background:transparent;
  padding:20px 60px 20px 22px;font-size:17px;font-weight:600;color:var(--text);line-height:1.55;
}
.faq-acc .accordion-title:hover{color:var(--brand);}
.faq-acc .accordion-title::before{
  content:"\f067";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 .2s ease,color .2s ease;
}
.faq-acc .accordion-title::after{display:none !important;}
.faq-acc .accordion-item.is-active{border-color:var(--brand);}
.faq-acc .accordion-item.is-active .accordion-title{color:var(--brand-dark);}
.faq-acc .accordion-item.is-active .accordion-title::before{content:"\f068";}
.faq-acc .accordion-content{
  border:0 !important;padding:0 22px 22px !important;background:transparent !important;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq-acc .accordion-content p{margin-bottom:10px;}
.faq-acc .accordion-content p:last-child{margin-bottom:0;}
.faq-acc .accordion-content strong{color:var(--text);}
.tip-line{
  display:flex;gap:8px;align-items:flex-start;
  margin-top:12px;padding:12px 14px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand-dark);font-size:13.5px;line-height:1.7;
}
.tip-line i{margin-top:4px;}

/* ---------- 提示条 ---------- */
.notice-bar{
  display:flex;align-items:flex-start;gap:14px;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--ok);
  border-radius:var(--r-md);padding:18px 22px;box-shadow:var(--shadow-sm);
}
.notice-bar i{color:var(--ok);font-size:18px;margin-top:3px;}
.notice-bar p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.notice-bar strong{color:var(--text);}

/* ---------- 入口卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cddcf5;}
.entry-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-alt);}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.entry-card:hover .entry-thumb img{transform:scale(1.04);}
.entry-badge{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:rgba(255,255,255,.94);color:var(--brand);
}
.entry-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.entry-body h3{font-size:18px;}
.entry-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.entry-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.entry-link i{font-size:12px;transition:transform .2s ease;}
.entry-card:hover .entry-link i{transform:translateX(3px);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-soft);border-radius:var(--r-xl);
  padding:40px 44px;display:flex;align-items:center;gap:32px;justify-content:space-between;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:repeating-linear-gradient(45deg,rgba(26,86,196,.10) 0 8px,transparent 8px 18px);
  opacity:.8;
}
.cta-band .cta-text{position:relative;z-index:2;max-width:640px;}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--text-2);}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1D33;color:#B9C6DC;padding:64px 0 0;margin-top:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(140deg,#2C6BE0,#12408F);}
.footer-brand strong{color:#fff;font-size:16px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.85;color:#93A4BE;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#B9C6DC;}
.footer-links a:hover{color:#fff;}
.footer-note{font-size:13px;color:#7C8CA6;line-height:1.8;margin-top:14px;}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7C8CA6;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .main-nav{
    position:fixed;left:0;right:0;top:64px;bottom:0;
    flex-direction:column;align-items:stretch;gap:6px;justify-content:flex-start;
    background:#fff;padding:20px;overflow-y:auto;
    transform:translateY(-10px);opacity:0;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
    box-shadow:0 24px 40px rgba(15,23,42,.12);
  }
  .main-nav.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-link{padding:14px 12px;border-radius:var(--r-sm);font-size:16px;}
  .nav-link.is-active{border-radius:var(--r-sm);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .search-box{display:none;}
  .page-hero{padding:44px 0 52px;}
  .page-hero h1{font-size:32px;}
  .section{padding:64px 0;}
  .faq-layout{padding:56px 0 64px;}
  .sticky-cell{position:static;margin-bottom:24px;}
  .anchor-nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;}
  .anchor-nav a{white-space:nowrap;background:var(--surface-alt);border:1px solid var(--line);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
}
@media screen and (max-width:767px){
  .page-hero h1{font-size:28px;}
  .page-hero .hero-sub{font-size:15px;}
  .hero-search-card{padding:20px;margin-top:24px;}
  .section-head h2{font-size:23px;}
  .group-head h3{font-size:18px;}
  .faq-acc .accordion-title{font-size:16px;padding:18px 54px 18px 18px;}
  .faq-acc .accordion-content{padding:0 18px 18px !important;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:519px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .header-inner{min-height:64px;gap:12px;}
  .brand-text strong{font-size:15px;}
  .link-btn{display:none;}
  .page-hero{padding:36px 0 44px;}
  .page-hero h1{font-size:26px;}
  .section{padding:52px 0;}
  .notice-bar{padding:16px;}
  .cta-band{padding:26px 22px;}
}

/* roulang page: category5 */
:root{
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --surface-2:#F1F5FB;
  --primary:#1A56C4;
  --primary-dark:#12408F;
  --primary-soft:#E8F0FE;
  --accent:#FF6B2C;
  --accent-hover:#E85A1C;
  --accent-soft:#FFF0E8;
  --safe:#12A594;
  --safe-soft:#E6F6F3;
  --text:#0F172A;
  --muted:#4A5A75;
  --weak:#8794AB;
  --border:#E4EAF3;
  --line:#EEF2F8;
  --radius-s:10px;
  --radius:16px;
  --radius-l:22px;
  --shadow-s:0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --shadow-h:0 2px 4px rgba(15,23,42,.05), 0 16px 36px rgba(26,86,196,.12);
  --shadow-f:0 24px 60px rgba(15,23,42,.16);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:96px;
  --ff:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;width:100%;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--surface-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-4);margin-bottom:var(--sp-6);}
.section-head h2{font-size:28px;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
.section-head p{margin-top:8px;color:var(--muted);font-size:15.5px;max-width:640px;}
.more-link{color:var(--primary);font-size:15px;font-weight:600;white-space:nowrap;}
.more-link i{margin-left:6px;font-size:12px;transition:transform .18s ease;}
.more-link:hover{color:var(--primary-dark);}
.more-link:hover i{transform:translateX(3px);}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(15,23,42,.06);}
.header-inner{display:flex;align-items:center;gap:var(--sp-4);height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-weight:800;font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(26,86,196,.28);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-text small{font-size:11.5px;color:var(--weak);letter-spacing:.06em;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;color:var(--muted);font-weight:500;
  padding:8px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transition:transform .2s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  color:var(--primary);font-weight:700;
  background:var(--primary-soft);
  padding:8px 14px;border-radius:999px;
}
.nav-link.is-active::after{display:none;}
.header-tools{display:flex;align-items:center;gap:var(--sp-2);flex-shrink:0;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:200px;height:40px;padding:0 16px;
  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:999px;
  transition:width .22s ease,border-color .18s ease,background-color .18s ease;
}
.search-box i{color:var(--weak);font-size:13px;}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--weak);}
.search-box:focus-within{width:240px;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(26,86,196,.10);}
.link-btn{font-size:15px;color:var(--muted);font-weight:600;padding:8px 4px;}
.link-btn:hover{color:var(--primary);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-s);
  border:1px solid var(--border);background:#fff;color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-s);
  font-size:15.5px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn i{font-size:13px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(255,107,44,.26);}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,107,44,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:rgba(26,86,196,.06);transform:translateY(-1px);}
.btn-soft{background:var(--primary-soft);color:var(--primary-dark);}
.btn-soft:hover{background:#dbe8fd;}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;border-radius:9px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:56px 0 88px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.10;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(640px 340px at 10% 0%, rgba(26,86,196,.12), transparent 70%);
  pointer-events:none;
}
.hero > .grid-container{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--weak);margin-bottom:var(--sp-4);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs span.sep{color:#C7D0DE;}
.crumbs .current{color:var(--text);font-weight:600;}
.hero-copy{max-width:620px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:13px;font-weight:700;margin-bottom:var(--sp-4);
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--safe);}
.hero h1{
  font-size:42px;line-height:1.25;font-weight:800;letter-spacing:-.01em;
  margin-bottom:var(--sp-3);
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-lead{font-size:17px;color:var(--muted);line-height:1.75;margin-bottom:var(--sp-5);}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-2);margin-bottom:var(--sp-5);}
.trust-row{display:flex;flex-wrap:wrap;gap:var(--sp-5);}
.trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--muted);}
.trust-item i{
  width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:12px;
}

.hero-visual{position:relative;display:flex;justify-content:center;padding-top:12px;}
.phone-card{
  position:relative;width:266px;aspect-ratio:9/16;
  border-radius:var(--radius-l);overflow:hidden;
  box-shadow:var(--shadow-f);
  background:var(--surface-2);
}
.phone-card img{width:100%;height:100%;object-fit:cover;}
.phone-card .badge-float{
  position:absolute;top:14px;left:14px;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--primary-dark);
  font-size:12px;font-weight:700;
}
.phone-card .time-chip{
  position:absolute;top:14px;right:14px;
  padding:5px 10px;border-radius:999px;
  background:rgba(15,23,42,.6);color:#fff;
  font-size:12px;font-variant-numeric:tabular-nums;
}
.phone-mask{
  position:absolute;left:0;right:0;bottom:0;
  padding:48px 16px 18px;
  background:linear-gradient(to top, rgba(15,23,42,.78), rgba(15,23,42,0));
  color:#fff;display:flex;flex-direction:column;gap:4px;
}
.phone-mask strong{font-size:15px;line-height:1.45;font-weight:700;}
.phone-mask span{font-size:12px;opacity:.86;font-variant-numeric:tabular-nums;}
.phone-card--back{
  position:absolute;top:44px;left:calc(50% + 96px);
  width:230px;transform:rotate(4deg);
  box-shadow:0 18px 40px rgba(15,23,42,.14);
  opacity:.95;z-index:-1;
}
.hero-visual-inner{position:relative;z-index:2;display:flex;justify-content:center;}

/* ===== Stats ===== */
.stats-band{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 0;}
.stat{text-align:center;padding:8px 6px;}
.stat .num{
  font-size:34px;font-weight:800;color:var(--primary);
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat .num small{font-size:16px;font-weight:700;margin-left:2px;}
.stat .label{margin-top:6px;font-size:14px;color:var(--muted);}

/* ===== Notice list ===== */
.notice-list{display:flex;flex-direction:column;gap:var(--sp-3);}
.notice-item{
  display:flex;gap:18px;padding:18px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.notice-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:#D5E1F5;}
.notice-thumb{
  width:104px;height:104px;flex-shrink:0;border-radius:12px;overflow:hidden;
  background:var(--surface-2);
}
.notice-thumb img{width:100%;height:100%;object-fit:cover;}
.notice-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px;}
.notice-body h3{font-size:17px;font-weight:700;line-height:1.5;}
.notice-body h3 a:hover{color:var(--primary);}
.notice-body p{font-size:14.5px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.notice-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;font-size:13px;color:var(--weak);font-variant-numeric:tabular-nums;}
.tag{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;
}
.tag-blue{background:var(--primary-soft);color:var(--primary-dark);}
.tag-orange{background:var(--accent-soft);color:var(--accent-hover);}
.tag-green{background:var(--safe-soft);color:#0C7A6E;}

/* ===== Side cards ===== */
.side-stack{display:flex;flex-direction:column;gap:var(--sp-3);}
.side-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow-s);padding:var(--sp-4);
}
.side-card h3{font-size:17px;font-weight:800;margin-bottom:var(--sp-3);}
.side-links{display:flex;flex-direction:column;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14.5px;color:var(--muted);
  border-bottom:1px solid var(--line);transition:background-color .18s ease,color .18s ease;
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{background:var(--primary-soft);color:var(--primary-dark);}
.side-links a i{font-size:11px;color:var(--weak);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  padding:6px 13px;border-radius:999px;font-size:13px;
  background:var(--surface-2);color:var(--muted);border:1px solid var(--border);
}
.tag-cloud a:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:#CBDCF9;}
.side-cta{
  background:linear-gradient(140deg,#E8F0FE,#F4F8FF);
  border:1px solid #CFE0FA;
}
.side-cta p{font-size:14px;color:var(--muted);margin-bottom:var(--sp-3);line-height:1.7;}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(to bottom,var(--primary),#C9DCFB);
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:var(--sp-5);}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:5px;
  width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(26,86,196,.10);
}
.tl-item h3{font-size:18px;font-weight:800;margin-bottom:6px;}
.tl-item p{font-size:15px;color:var(--muted);line-height:1.75;}
.tl-item .tl-time{
  display:inline-block;margin-top:8px;font-size:13px;color:var(--weak);
  font-variant-numeric:tabular-nums;
}

.split-media{border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-s);background:var(--surface-2);}
.split-media img{width:100%;height:100%;object-fit:cover;min-height:260px;}
.media-block{display:flex;flex-direction:column;gap:14px;}
.media-block h2{font-size:26px;font-weight:800;line-height:1.35;letter-spacing:-.01em;}
.media-block p{font-size:15.5px;color:var(--muted);line-height:1.8;}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--muted);line-height:1.7;}
.check-list li i{color:var(--safe);font-size:14px;margin-top:5px;}

/* ===== Voice bar ===== */
.voice-track{
  display:flex;gap:var(--sp-3);overflow-x:auto;padding:6px 4px 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.voice-track::-webkit-scrollbar{height:6px;}
.voice-track::-webkit-scrollbar-thumb{background:#D6E0EE;border-radius:999px;}
.voice-card{
  flex:0 0 288px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow-s);padding:20px;
  display:flex;flex-direction:column;gap:12px;
}
.voice-head{display:flex;align-items:center;gap:12px;}
.voice-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;background:var(--surface-2);flex-shrink:0;}
.voice-avatar img{width:100%;height:100%;object-fit:cover;}
.voice-head strong{font-size:14.5px;display:block;}
.voice-head span{font-size:12.5px;color:var(--weak);}
.stars{color:var(--accent);font-size:12px;display:flex;gap:2px;}
.voice-card p{font-size:14.5px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.voice-time{font-size:12.5px;color:var(--weak);font-variant-numeric:tabular-nums;}

/* ===== Subscribe ===== */
.subscribe-panel{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-l);box-shadow:var(--shadow-s);
  padding:40px;
}
.subscribe-panel h2{font-size:26px;font-weight:800;line-height:1.35;margin-bottom:10px;}
.subscribe-panel .sub-lead{font-size:15.5px;color:var(--muted);line-height:1.8;margin-bottom:var(--sp-4);}
.form-field{margin-bottom:var(--sp-3);}
.form-field label{display:block;font-size:14px;color:var(--muted);margin-bottom:7px;font-weight:600;}
.form-field input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--radius-s);
  border:1px solid var(--border);background:var(--surface-2);
  color:var(--text);outline:none;transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.form-field input::placeholder{color:var(--weak);}
.form-field input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(26,86,196,.10);}
.form-field.has-error input{border-color:#D92D20;background:#FFF7F7;}
.form-field .err{margin-top:6px;font-size:13px;color:#D92D20;display:none;}
.form-field.has-error .err{display:block;}
.form-hint{margin-top:10px;font-size:13px;color:var(--weak);line-height:1.7;}
.safe-note{
  display:flex;gap:14px;align-items:flex-start;
  margin-top:var(--sp-4);padding:18px 20px;border-radius:14px;
  background:var(--safe-soft);border:1px solid #C7EBE5;
}
.safe-note i{color:var(--safe);font-size:18px;margin-top:2px;}
.safe-note strong{display:block;font-size:15px;margin-bottom:4px;color:#0C7A6E;}
.safe-note p{font-size:14px;color:#20685F;line-height:1.7;}

/* ===== FAQ ===== */
.faq-accordion{background:transparent;border:0;margin:0;}
.faq-accordion .accordion-item{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow-s);margin-bottom:12px;overflow:hidden;
}
.faq-accordion .accordion-title{
  display:block;padding:20px 58px 20px 22px;border:0;background:transparent;
  font-size:17px;font-weight:700;color:var(--text);position:relative;
  transition:color .18s ease,background-color .18s ease;
}
.faq-accordion .accordion-title:hover{color:var(--primary);background:#FAFCFF;}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:var(--primary);line-height:1;
  transition:transform .2s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title{color:var(--primary);}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";}
.faq-accordion .accordion-content{
  padding:0 22px 22px;border:0;background:transparent;
  font-size:15px;color:var(--muted);line-height:1.8;
}

/* ===== CTA band ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--primary-soft);border:1px solid #CFE0FA;
  border-radius:20px;padding:40px;display:flex;align-items:center;gap:var(--sp-5);
  flex-wrap:wrap;justify-content:space-between;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  background:repeating-linear-gradient(135deg, rgba(26,86,196,.08) 0 10px, transparent 10px 20px);
  border-radius:50%;
}
.cta-copy{position:relative;z-index:2;max-width:640px;}
.cta-copy h2{font-size:26px;font-weight:800;line-height:1.35;margin-bottom:10px;}
.cta-copy p{font-size:15.5px;color:var(--muted);line-height:1.8;}
.cta-band .btn{position:relative;z-index:2;}

/* ===== Footer ===== */
.site-footer{background:#0F1D33;color:#B9C6DA;margin-top:var(--sp-8);padding:64px 0 28px;}
.site-footer .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.site-footer .footer-brand strong{color:#fff;font-size:16.5px;font-weight:800;}
.site-footer .footer-desc{font-size:14px;line-height:1.8;color:#93A3BC;max-width:300px;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#9FB0C8;}
.footer-links a:hover{color:#fff;}
.footer-note{font-size:13px;color:#8595AD;line-height:1.75;margin-top:12px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8595AD;
}

/* ===== Responsive ===== */
@media (max-width:1399px){
  .phone-card--back{left:calc(50% + 78px);width:200px;}
}
@media (max-width:1199px){
  .search-box{width:170px;}
  .search-box:focus-within{width:200px;}
  .main-nav{gap:20px;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .search-box,.link-btn{display:none;}
  .header-tools .btn-primary{display:none;}
  .main-nav{
    position:fixed;top:0;left:0;right:0;bottom:0;
    height:100vh;background:#fff;z-index:90;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:96px 24px 120px;margin-left:0;
    transform:translateX(100%);transition:transform .26s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{font-size:17px;padding:14px 16px;border-radius:12px;}
  .nav-link::after{display:none;}
  .nav-link:hover{background:var(--surface-2);}
  .nav-link.is-active{padding:14px 16px;border-radius:12px;}
  .hero{padding:40px 0 64px;}
  .hero h1{font-size:32px;}
  .hero-visual{margin-top:48px;}
  .phone-card--back{display:none;}
  .section{padding:64px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .subscribe-panel{padding:28px;}
  .cta-band{padding:28px;}
  .cta-copy h2{font-size:22px;}
}
@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .hero h1{font-size:28px;}
  .hero-lead{font-size:15.5px;}
  .trust-row{gap:18px;}
  .stat .num{font-size:28px;}
  .notice-item{flex-direction:column;gap:14px;}
  .notice-thumb{width:100%;height:180px;}
  .media-block h2{font-size:22px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .site-footer{padding:48px 0 24px;margin-top:64px;}
  .voice-card{flex:0 0 260px;}
}
@media (max-width:519px){
  .hero h1{font-size:26px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .phone-card{width:240px;}
  .section{padding:56px 0;}
  .faq-accordion .accordion-title{font-size:15.5px;padding:16px 48px 16px 18px;}
  .faq-accordion .accordion-content{padding:0 18px 18px;font-size:14.5px;}
  .subscribe-panel{padding:22px;}
  .cta-band{padding:22px;}
}