/* roulang page: index */
:root{
  --brand:#245BDB;
  --brand-dark:#1746B5;
  --brand-light:#EEF3FF;
  --teal:#12A594;
  --teal-light:#E6F7F4;
  --accent:#FF7A45;
  --accent-dark:#E85D2A;
  --accent-light:#FFF0EA;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --section:#EEF3FF;
  --border:#E4E7EC;
  --ink:#101828;
  --ink-2:#475467;
  --ink-3:#667085;
  --ok:#12B76A;
  --warn:#F79009;
  --err:#D92D20;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --sh-1:0 4px 12px rgba(16,24,40,.04);
  --sh-2:0 12px 32px rgba(16,24,40,.06);
  --sh-3:0 16px 40px rgba(36,91,219,.12);
  --sidebar:264px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
:focus-visible{outline:3px solid rgba(36,91,219,.35);outline-offset:2px;border-radius:6px}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar);height:100vh;
  background:#fff;border-right:1px solid var(--border);
  display:flex;flex-direction:column;padding:22px 16px 20px;z-index:1030;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;border-bottom:1px solid var(--border);margin-bottom:16px}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  background:linear-gradient(135deg,var(--brand) 0%,#3F7BF0 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:0 8px 20px rgba(36,91,219,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.brand-text span{font-size:11px;color:var(--ink-3);letter-spacing:.06em}
.nav-list{display:flex;flex-direction:column;gap:6px;flex:1}
.nav-list a{
  display:flex;align-items:center;gap:11px;
  padding:11px 13px;border-radius:var(--r-sm);
  color:var(--ink-2);font-size:15px;font-weight:500;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-list a i{width:18px;text-align:center;font-size:14px;color:var(--ink-3);transition:color .18s ease}
.nav-list a:hover{background:#F2F6FF;color:var(--brand)}
.nav-list a:hover i{color:var(--brand)}
.nav-list a.active{background:var(--brand-light);color:var(--brand);font-weight:600}
.nav-list a.active i{color:var(--brand)}
.side-cta{display:flex;flex-direction:column;gap:10px;padding-top:16px;border-top:1px solid var(--border)}
.side-status{
  background:var(--teal-light);border-radius:var(--r-sm);padding:11px 13px;
  font-size:12.5px;color:#0B7C70;line-height:1.6;display:flex;gap:8px;align-items:flex-start;
}
.side-status i{margin-top:3px;color:var(--teal)}

/* ============ 按钮 ============ */
.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .12s ease,border-color .18s ease;
}
.btn-c:active{transform:translateY(1px)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(36,91,219,.22)}
.btn-brand:hover{background:var(--brand-dark);color:#fff;box-shadow:0 12px 26px rgba(36,91,219,.28)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.26)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;box-shadow:0 12px 26px rgba(255,122,69,.32)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 移动端顶栏与抽屉 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:1020;
  height:60px;background:#fff;border-bottom:1px solid var(--border);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.topbar .brand{padding:0;border:none;margin:0}
.topbar .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;font-size:15px}
.topbar .brand-text strong{font-size:14px}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:#fff;
  color:var(--ink);font-size:16px;display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.hamburger:hover{border-color:var(--brand);color:var(--brand)}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(16,24,40,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1050;
}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;width:280px;height:100vh;background:#fff;z-index:1055;
  transform:translateX(-102%);transition:transform .26s ease;
  padding:20px 16px;overflow-y:auto;box-shadow:var(--sh-2);
}
.drawer.open{transform:translateX(0)}
.drawer .brand{padding:4px 6px 16px;border-bottom:1px solid var(--border);margin-bottom:14px}
.drawer .nav-list{margin-bottom:16px}

/* ============ 主区域 ============ */
.main{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column}
.section{padding:92px 0}
.section-tight{padding:70px 0}
.section-alt{background:var(--section)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--brand-light);color:var(--brand);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,2.4vw,32px);line-height:1.3;margin-bottom:14px}
.sec-head p{color:var(--ink-2);font-size:16px}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#F6F8FB 0%,#EEF3FF 55%,#F6F8FB 100%);
  padding:84px 0 76px;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(36,91,219,.10) 0%,rgba(36,91,219,0) 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(30px,3.4vw,46px);line-height:1.22;margin-bottom:18px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:16.5px;color:var(--ink-2);margin-bottom:22px;max-width:560px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;margin-bottom:28px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink-2)}
.hero-points li i{color:var(--teal);font-size:13px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;padding-top:24px;border-top:1px solid var(--border)}
.hero-stats div strong{display:block;font-size:24px;font-weight:700;color:var(--brand);line-height:1.2}
.hero-stats div span{font-size:13px;color:var(--ink-3)}
.hero-visual{position:relative}
.hero-visual>img{
  width:100%;border-radius:var(--r-lg);box-shadow:var(--sh-3);
  aspect-ratio:4/3;object-fit:cover;background:var(--section);
}
.hero-float{
  position:absolute;left:-26px;bottom:26px;width:236px;
  background:#fff;border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-2);
  border:1px solid var(--border);
}
.hero-float .hf-top{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.hero-float .hf-top i{color:var(--teal);font-size:15px}
.hero-float .hf-top span{font-size:13px;color:var(--ink-3)}
.hero-float .hf-main{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:10px}
.progress-track{height:8px;border-radius:999px;background:var(--brand-light);overflow:hidden}
.progress-track i{display:block;height:100%;width:72%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--teal))}
.hero-float .hf-foot{font-size:12px;color:var(--ink-3);margin-top:8px}

/* ============ 权益对比表 ============ */
.table-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:8px;overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.benefit{width:100%;border-collapse:separate;border-spacing:0;min-width:760px}
table.benefit th,table.benefit td{padding:17px 20px;font-size:14.5px;text-align:left;border-bottom:1px solid var(--border)}
table.benefit thead th{
  background:var(--brand-light);color:var(--brand-dark);font-size:14px;font-weight:700;
  position:relative;white-space:nowrap;
}
table.benefit thead th:first-child{border-top-left-radius:var(--r-sm)}
table.benefit thead th:last-child{border-top-right-radius:var(--r-sm)}
table.benefit tbody td{color:var(--ink-2)}
table.benefit tbody td:first-child{color:var(--ink);font-weight:600}
table.benefit tbody tr:last-child td{border-bottom:none}
table.benefit tbody tr:hover td{background:#FAFBFF}
table.benefit .yes{color:var(--ok);font-weight:600}
table.benefit .no{color:var(--ink-3)}
table.benefit th.is-featured,table.benefit td.is-featured{
  background:var(--accent-light);
  border-left:2px solid var(--accent);border-right:2px solid var(--accent);
}
table.benefit thead th.is-featured{color:var(--accent-dark)}
.rec-badge{
  display:inline-block;background:var(--accent);color:#fff;font-size:11px;font-weight:600;
  padding:2px 9px;border-radius:999px;margin-right:8px;vertical-align:middle;
}

/* ============ 等级亮点 ============ */
.tier-track{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tier-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh-1);position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.tier-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.tier-item.is-featured{
  border:2px solid var(--accent);border-radius:var(--r-lg);box-shadow:var(--sh-3);
  background:linear-gradient(180deg,#fff 0%,#FFF9F6 100%);
}
.tier-tag{
  position:absolute;top:-12px;left:22px;background:var(--accent);color:#fff;
  font-size:11.5px;font-weight:600;padding:4px 12px;border-radius:999px;
}
.tier-num{
  width:38px;height:38px;border-radius:12px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;margin-bottom:14px;
}
.tier-item.is-featured .tier-num{background:var(--accent-light);color:var(--accent-dark)}
.tier-item h3{font-size:19px;margin-bottom:8px}
.tier-cond{font-size:13px;color:var(--ink-3);margin-bottom:14px;min-height:40px}
.tier-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;flex:1}
.tier-list li{display:flex;gap:8px;font-size:14px;color:var(--ink-2)}
.tier-list li i{color:var(--teal);font-size:12px;margin-top:6px}

/* ============ Bento 专属内容 ============ */
.bento{display:grid;grid-template-columns:1.15fr 1fr 1fr;grid-auto-rows:minmax(0,auto);gap:20px}
.bento-card{
  position:relative;overflow:hidden;border-radius:var(--r-md);background:#fff;
  border:1px solid var(--border);box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.bento-card:hover img{transform:scale(1.03)}
.bento-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .22s ease}
.bento-card.bento-main{grid-row:span 2}
.bento-card.bento-main img{aspect-ratio:16/10}
.bento-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.bento-body h3{font-size:18px;line-height:1.4}
.bento-card.bento-main .bento-body h3{font-size:21px}
.bento-body p{font-size:13.5px;color:var(--ink-2);line-height:1.7}
.bento-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px}
.lock-badge{
  display:inline-flex;align-items:center;gap:6px;background:var(--teal-light);color:#0B7C70;
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
  position:absolute;top:14px;left:14px;backdrop-filter:blur(4px);
}
.tag-soft{
  display:inline-block;background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;
}
.bento-meta a{font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.bento-meta a i{transition:transform .18s ease}
.bento-meta a:hover i{transform:translateX(3px)}

/* ============ 最新信息列表 ============ */
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:inherit;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6E1FA;color:inherit}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .22s ease}
.news-card:hover img{transform:scale(1.03)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{
  font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:10px;font-size:12.5px;color:var(--ink-3);
}
.news-meta .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.news-card--wide{flex-direction:row;align-items:stretch}
.news-card--wide .news-thumb{flex:0 0 42%;overflow:hidden}
.news-card--wide .news-thumb img{height:100%;aspect-ratio:auto;object-fit:cover}
.news-card--wide .news-body{padding:26px 28px}
.news-card--wide .news-body h3{font-size:21px;-webkit-line-clamp:2}
.news-card--wide .news-body p{-webkit-line-clamp:3}
.empty-state{
  background:#fff;border:1px dashed var(--border);border-radius:var(--r-md);
  padding:52px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state i{font-size:30px;color:var(--brand);opacity:.5;margin-bottom:14px;display:block}
.empty-state h3{font-size:18px;margin-bottom:8px}
.empty-state p{color:var(--ink-3);font-size:14px;margin-bottom:18px}
.empty-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.acc-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);transition:border-color .18s ease;
}
.acc-item.active{border-color:#CCDBF9;box-shadow:var(--sh-2)}
.acc-head{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;
}
.acc-head:hover{color:var(--brand)}
.acc-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:999px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;transition:background .18s ease,color .18s ease,transform .2s ease;
}
.acc-item.active .acc-icon{background:var(--brand);color:#fff;transform:rotate(180deg)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .28s ease}
.acc-panel .acc-inner{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.8}
.acc-item.active .acc-panel{max-height:420px}

/* ============ 最终 CTA ============ */
.cta-panel{
  background:linear-gradient(135deg,#EEF3FF 0%,#F4F8FF 60%,#FFF6F2 100%);
  border:1px solid #DCE6FB;border-radius:var(--r-lg);padding:46px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;box-shadow:var(--sh-2);
}
.cta-panel h2{font-size:clamp(24px,2.4vw,32px);margin-bottom:14px}
.cta-panel .cta-lead{color:var(--ink-2);font-size:15.5px;margin-bottom:24px}
.cta-benefits{display:flex;flex-direction:column;gap:14px}
.cta-benefits li{display:flex;gap:12px;font-size:15px;color:var(--ink-2)}
.cta-benefits li i{
  flex:0 0 24px;width:24px;height:24px;border-radius:999px;background:#fff;color:var(--teal);
  display:flex;align-items:center;justify-content:center;font-size:11px;margin-top:3px;box-shadow:var(--sh-1);
}
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-2)}
.form-plan{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}
.plan-opt{
  border:1px solid var(--border);border-radius:var(--r-sm);padding:14px 16px;cursor:pointer;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;background:#fff;
}
.plan-opt:hover{border-color:var(--brand)}
.plan-opt.is-active{border:2px solid var(--accent);background:var(--accent-light)}
.plan-opt strong{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.plan-opt span{font-size:12.5px;color:var(--ink-3)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field input{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid #D0D5DD;
  padding:0 15px;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:#98A2B3}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(36,91,219,.12)}
.field .hint{font-size:12.5px;color:var(--ink-3);margin-top:7px}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-3);margin:6px 0 18px}
.check-row input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand)}
.form-note{font-size:12.5px;color:var(--ink-3);text-align:center;margin-top:14px}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:60px 0 42px}
.footer-brand .brand{padding:0;border:none;margin:0 0 16px}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.8;max-width:320px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--ink)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;color:var(--ink-2);display:flex;gap:9px;align-items:flex-start}
.footer-contact li i{color:var(--brand);font-size:13px;margin-top:6px}
.footer-bottom{
  background:var(--section);border-top:1px solid var(--border);
  padding:18px 0;font-size:13px;color:var(--ink-3);
}
.footer-bottom .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--sidebar:232px}
  .hero-grid{gap:40px}
  .bento{grid-template-columns:1fr 1fr}
  .bento-card.bento-main{grid-column:span 2;grid-row:span 1}
  .tier-track{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .sidebar{display:none}
  .main{margin-left:0}
  .topbar{display:flex}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .hero{padding:56px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-float{position:static;width:100%;margin-top:16px}
  .cta-panel{grid-template-columns:1fr;padding:32px 26px;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:46px 0 32px}
  .news-card--wide{flex-direction:column}
  .news-card--wide .news-thumb{flex:none}
  .news-card--wide .news-thumb img{aspect-ratio:16/9;height:auto}
  .news-card--wide .news-body{padding:20px}
  .news-card--wide .news-body h3{font-size:19px}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:28px}
  .hero h1{font-size:30px}
  .hero-lead{font-size:15.5px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn-c{width:100%}
  .hero-stats{gap:22px}
  .bento{grid-template-columns:1fr}
  .bento-card.bento-main{grid-column:span 1}
  .tier-track{grid-template-columns:1fr}
  .form-plan{grid-template-columns:1fr}
  .acc-head{padding:17px 18px;font-size:15.5px}
  .acc-panel .acc-inner{padding:0 18px 18px}
  .form-card{padding:22px}
}
@media (max-width:519.98px){
  .hero-stats div strong{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom .wrap{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --blue:#245BDB; --blue-d:#1746B5; --blue-l:#EEF3FF;
  --teal:#12A594; --teal-l:#E6F7F4;
  --coral:#FF7A45; --coral-d:#E85D2A; --coral-l:#FFF0EA;
  --bg:#F6F8FB; --card:#FFFFFF; --border:#E4E7EC;
  --t1:#101828; --t2:#475467; --t3:#667085;
  --ok:#12B76A; --warn:#F79009; --err:#D92D20;
  --r-sm:12px; --r-md:16px; --r-lg:22px;
  --sh-1:0 4px 12px rgba(16,24,40,.04);
  --sh-2:0 12px 32px rgba(16,24,40,.06);
  --sh-3:0 16px 40px rgba(36,91,219,.12);
  --sidebar:264px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--t1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
  font-size:16px;line-height:1.75;
}
img{max-width:100%;display:block;border-radius:var(--r-sm)}
a{color:var(--blue);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--blue-d)}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.3}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:22px}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(36,91,219,.35);outline-offset:2px;border-radius:6px}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);
  background:#fff;border-right:1px solid var(--border);
  display:flex;flex-direction:column;z-index:1040;
  transition:transform .25s ease;
}
.sidebar-head{padding:22px 20px 18px;border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:12px;color:var(--t1)}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 42px;
  background:linear-gradient(135deg,var(--blue),#3F7BF0);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:0 8px 18px rgba(36,91,219,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:700;color:var(--t1);letter-spacing:.2px}
.brand-text span{font-size:10px;color:var(--t3);letter-spacing:2px}
.nav-list{display:flex;flex-direction:column;gap:6px;padding:18px 14px;flex:1 1 auto;overflow-y:auto}
.nav-list a{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:var(--r-sm);
  color:var(--t2);font-size:15px;font-weight:500;
}
.nav-list a i{width:18px;text-align:center;font-size:15px;color:var(--t3)}
.nav-list a:hover{background:#F2F6FF;color:var(--blue-d)}
.nav-list a.active{background:var(--blue-l);color:var(--blue);font-weight:700}
.nav-list a.active i{color:var(--blue)}
.sidebar-foot{padding:16px;border-top:1px solid var(--border)}
.sidebar-foot .hint{font-size:12.5px;color:var(--t3);margin:10px 0 0;line-height:1.6}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;line-height:1.2}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(36,91,219,.22)}
.btn-primary:hover{background:var(--blue-d);color:#fff;box-shadow:0 12px 26px rgba(36,91,219,.28)}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(255,122,69,.24)}
.btn-coral:hover{background:var(--coral-d);color:#fff}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--t1)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-l)}
.btn-block{width:100%}

/* ---------- 布局 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1050;
  background:#fff;border-bottom:1px solid var(--border);align-items:center;
  justify-content:space-between;padding:0 16px;box-shadow:var(--sh-1);
}
.mobile-bar .brand-text strong{font-size:15px}
.hamburger{width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--t1);font-size:17px;display:flex;align-items:center;justify-content:center}
.scrim{position:fixed;inset:0;background:rgba(16,24,40,.45);opacity:0;visibility:hidden;
  transition:.25s ease;z-index:1035}
.scrim.show{opacity:1;visibility:visible}

.layout{min-height:100vh}
.wrap{width:100%;max-width:1240px;padding:0 28px;margin:0 auto}

/* ---------- 文章头部 ---------- */
.page-top{padding:34px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--t3);margin-bottom:18px}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--blue)}
.crumb em{font-style:normal;color:var(--t3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:38px 40px 32px;box-shadow:var(--sh-1);position:relative;overflow:hidden}
.article-head::after{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;
  background:radial-gradient(circle,rgba(36,91,219,.10),transparent 68%);border-radius:50%}
.article-head h1{font-size:clamp(30px,3.6vw,44px);line-height:1.22;margin-bottom:18px;position:relative;z-index:1}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--t3);position:relative;z-index:1}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#CBD5E1}
.badge-soft{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--teal-l);color:#0E7F72}
.badge-blue{background:var(--blue-l);color:var(--blue)}
.badge-coral{background:var(--coral-l);color:var(--coral-d)}

.cover-figure{margin:26px 0 0;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);padding:14px;box-shadow:var(--sh-2)}
.cover-figure img{width:100%;aspect-ratio:16/7;object-fit:cover;border-radius:var(--r-md)}
.cover-figure figcaption{font-size:13px;color:var(--t3);padding:12px 6px 2px}

/* ---------- 正文区 ---------- */
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;padding:32px 0 88px;align-items:start}
.article-body{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:44px 46px 40px;box-shadow:var(--sh-1);max-width:880px;font-size:16px;line-height:1.85;color:#1D2939}
.article-body h2{font-size:clamp(22px,2.4vw,28px);margin:40px 0 14px;padding-left:14px;border-left:4px solid var(--blue);line-height:1.4}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:19px;margin:28px 0 10px;color:var(--t1)}
.article-body p{margin:0 0 18px;color:#344054}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 20px}
.article-body li{margin-bottom:8px;color:#344054}
.article-body blockquote{margin:24px 0;padding:16px 22px;background:var(--blue-l);
  border-left:4px solid var(--blue);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#1D2939}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:20px 0;box-shadow:var(--sh-1)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;
  border:1px solid var(--border);border-radius:var(--r-sm);overflow:hidden}
.article-body th{background:var(--blue-l);color:var(--t1);text-align:left;padding:12px 14px;font-weight:600}
.article-body td{padding:12px 14px;border-top:1px solid var(--border);color:var(--t2)}
.article-body a{color:var(--blue);border-bottom:1px solid rgba(36,91,219,.3)}
.article-body a:hover{border-bottom-color:var(--blue)}

.article-foot{margin-top:30px;padding-top:22px;border-top:1px dashed var(--border);
  display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:var(--bg);border:1px solid var(--border);font-size:13px;color:var(--t2)}
.tag:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-l)}

.empty-state{text-align:center;padding:64px 24px}
.empty-state i{font-size:44px;color:#C7D2E5;margin-bottom:16px;display:block}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--t3);margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:26px}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--blue)}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-list a{display:flex;gap:12px;color:var(--t1);font-size:14px;line-height:1.5}
.side-list img{width:64px;height:48px;object-fit:cover;flex:0 0 64px;border-radius:10px}
.side-list a:hover span{color:var(--blue)}
.side-list span{transition:color .2s ease}
.side-cta{background:linear-gradient(160deg,#F5F8FF,#FFFFFF);border:1px solid #D6E1FB;
  border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-2)}
.side-cta h3{font-size:18px;margin-bottom:8px}
.side-cta p{font-size:13.5px;color:var(--t2);margin-bottom:16px}
.side-cta ul{list-style:none;padding:0;margin:0 0 18px}
.side-cta li{font-size:13.5px;color:var(--t2);display:flex;gap:8px;margin-bottom:8px}
.side-cta li i{color:var(--teal);margin-top:4px}
.side-mini{font-size:12.5px;color:var(--t3);margin:10px 0 0;text-align:center}

/* ---------- 相关推荐 ---------- */
.section{padding:0 0 88px}
.section-head{margin-bottom:26px}
.section-head h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:8px}
.section-head p{color:var(--t2);margin:0;font-size:15px}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;height:100%}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card-img{overflow:hidden}
.card-img img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .22s ease}
.card:hover .card-img img{transform:scale(1.03)}
.card-body{padding:20px 22px 24px}
.card-body .badge-soft{margin-bottom:12px}
.card-body h3{font-size:18px;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--t2);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{font-size:12.5px;color:var(--t3);display:flex;align-items:center;gap:10px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.accordion-item{border:1px solid var(--border);border-radius:var(--r-sm)!important;
  margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:var(--sh-1)}
.accordion-button{font-size:16.5px;font-weight:600;color:var(--t1);padding:20px 22px;background:#fff;box-shadow:none!important}
.accordion-button:not(.collapsed){background:var(--blue-l);color:var(--blue)}
.accordion-button::after{background-image:none;content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;
  background:var(--bg);color:var(--t2);font-size:13px;transform:none;transition:.2s ease}
.accordion-button:not(.collapsed)::after{content:"\f068";background:#fff;color:var(--blue);transform:none}
.accordion-body{padding:4px 22px 22px;font-size:15px;color:var(--t2);background:#fff}

/* ---------- 底部 CTA ---------- */
.cta-panel{background:linear-gradient(150deg,#F2F6FF 0%,#FFFFFF 100%);
  border:1px solid #D6E1FB;border-radius:var(--r-lg);padding:48px 46px;
  display:grid;grid-template-columns:1.25fr 1fr;gap:38px;align-items:center;box-shadow:var(--sh-2)}
.cta-panel h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:12px}
.cta-panel p{color:var(--t2);margin-bottom:20px}
.cta-points{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:var(--t2)}
.cta-points i{color:var(--teal);margin-top:5px}
.cta-box{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1)}
.cta-box h3{font-size:18px;margin-bottom:6px}
.cta-box .sub{font-size:13px;color:var(--t3);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;color:var(--t2);margin-bottom:6px;font-weight:500}
.field input{width:100%;height:48px;border:1px solid #D0D5DD;border-radius:var(--r-sm);
  padding:0 14px;font-size:15px;color:var(--t1);background:#fff;transition:.2s ease}
.field input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(36,91,219,.12)}
.check{display:flex;gap:8px;align-items:flex-start;font-size:12.5px;color:var(--t3);margin:4px 0 16px}
.check input{margin-top:3px}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px;padding:54px 0 40px}
.footer-brand p{font-size:13.5px;color:var(--t2);margin:16px 0 0;max-width:360px}
.footer-brand .brand{margin-bottom:2px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--t1)}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:var(--t2)}
.footer-col a:hover{color:var(--blue)}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:var(--t2)}
.footer-contact i{color:var(--blue);margin-top:4px}
.footer-bottom{background:#EEF3FF;border-top:1px solid var(--border)}
.footer-bottom .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:16px;padding-bottom:16px;font-size:12.5px;color:var(--t3)}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  .layout{padding-left:var(--sidebar)}
}
@media (min-width:992px) and (max-width:1199.98px){
  :root{--sidebar:232px}
  .article-shell{grid-template-columns:minmax(0,1fr) 268px}
  .article-body{padding:38px 34px}
}
@media (max-width:1199.98px){
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .mobile-bar{display:flex}
  .layout{padding-top:60px}
  .sidebar{transform:translateX(-100%);width:280px;box-shadow:var(--sh-3)}
  .sidebar.open{transform:translateX(0)}
  .article-shell{grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:64px}
  .side-col{position:static}
  .cta-panel{grid-template-columns:1fr;padding:34px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding:40px 0 28px}
  .wrap{padding:0 20px}
  .article-head{padding:28px 24px}
  .article-body{padding:30px 24px}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .rec-grid{grid-template-columns:1fr}
  .section{padding-bottom:60px}
  .page-top{padding-top:24px}
  .crumb em{max-width:100%;white-space:normal}
  .article-head h1{font-size:28px}
  .cover-figure img{aspect-ratio:16/10}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom .wrap{flex-direction:column}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .article-body{padding:24px 18px}
  .article-head{padding:24px 18px}
  .btn{width:100%}
  .btn + .btn{margin-top:10px}
  .side-card,.side-cta{padding:18px}
}

/* roulang page: category1 */
:root{
  --blue:#245BDB;
  --blue-dark:#1746B5;
  --blue-soft:#EEF3FF;
  --teal:#12A594;
  --teal-soft:#E6F7F4;
  --orange:#FF7A45;
  --orange-dark:#E85D2A;
  --orange-soft:#FFF0EA;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --section:#EEF3FF;
  --border:#E4E7EC;
  --ink:#101828;
  --ink-2:#475467;
  --ink-3:#667085;
  --success:#12B76A;
  --warn:#F79009;
  --danger:#D92D20;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --sh-1:0 4px 12px rgba(16,24,40,.04);
  --sh-2:0 12px 32px rgba(16,24,40,.06);
  --sh-3:0 16px 40px rgba(36,91,219,.12);
  --sidebar:264px;
  --ease:.2s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--ink)}
h1{font-size:clamp(30px,3.4vw,44px);line-height:1.22;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.2vw,32px);line-height:1.3}
h3{font-size:20px;font-weight:600;line-height:1.4}
p{margin:0 0 16px;color:var(--ink-2)}
ul{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font-family:inherit}
:focus-visible{outline:2px solid rgba(36,91,219,.5);outline-offset:2px;border-radius:10px}
section[id]{scroll-margin-top:80px}

/* ================= 布局骨架 ================= */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);
  background:#fff;border-right:1px solid var(--border);
  padding:26px 20px 22px;display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:1045;transition:transform .25s ease;
}
.main{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 32px}
.mobile-top{
  display:none;position:sticky;top:0;z-index:1035;
  align-items:center;justify-content:space-between;
  height:60px;padding:0 16px;background:#fff;border-bottom:1px solid var(--border);
  box-shadow:var(--sh-1);
}
.backdrop{
  position:fixed;inset:0;background:rgba(16,24,40,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1040;
}
.backdrop.show{opacity:1;visibility:visible}
body.nav-open{overflow:hidden}

/* ================= 品牌 ================= */
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;flex:none;border-radius:14px;
  background:linear-gradient(135deg,var(--blue) 0%,#4A83FF 100%);
  color:#fff;display:grid;place-items:center;font-size:18px;
  box-shadow:var(--sh-3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text strong{font-size:15px;font-weight:700;color:var(--ink)}
.brand-text span{font-size:10.5px;letter-spacing:.18em;color:var(--ink-3);text-transform:uppercase}
.mobile-top .brand-mark{width:34px;height:34px;border-radius:11px;font-size:15px}
.mobile-top .brand-text strong{font-size:14px}

/* ================= 侧边导航 ================= */
.nav-list{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.nav-list a{
  display:flex;align-items:center;gap:11px;
  padding:11px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:background var(--ease),color var(--ease);
}
.nav-list a i{width:18px;text-align:center;font-size:14px;color:var(--ink-3);transition:color var(--ease)}
.nav-list a:hover{background:#F2F6FF;color:var(--blue)}
.nav-list a:hover i{color:var(--blue)}
.nav-list a.active{background:var(--blue-soft);color:var(--blue);font-weight:600}
.nav-list a.active i{color:var(--blue)}

.sidebar-foot{margin-top:auto}
.status-card{
  background:linear-gradient(160deg,var(--blue-soft) 0%,#FFFFFF 100%);
  border:1px solid #DCE6FF;border-radius:var(--r-md);padding:18px;
}
.status-line{
  display:flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--teal);margin:0 0 8px;
}
.status-line i{font-size:9px}
.status-card p{font-size:13px;line-height:1.7;color:var(--ink-3);margin:0 0 14px}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform .12s ease;
  white-space:nowrap;text-align:center;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(36,91,219,.22)}
.btn-primary:hover{background:var(--blue-dark);color:#fff}
.btn-accent{background:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(255,122,69,.28)}
.btn-accent:hover{background:var(--orange-dark);color:#fff}
.btn-ghost{background:#fff;border-color:#D0D5DD;color:var(--ink)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-soft)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}

/* ================= 标签 ================= */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;
}
.tag-blue{background:var(--blue-soft);color:var(--blue)}
.tag-teal{background:var(--teal-soft);color:var(--teal)}
.tag-orange{background:var(--orange-soft);color:var(--orange-dark)}

/* ================= 通用板块 ================= */
.section{padding:72px 0}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head h2{margin:14px 0 12px}
.sec-head p{margin:0;font-size:16px;color:var(--ink-2)}

/* ================= 面包屑 ================= */
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13.5px;color:var(--ink-3);margin-bottom:20px;
}
.crumb a{color:var(--ink-2);transition:color var(--ease)}
.crumb a:hover{color:var(--blue)}
.crumb i{font-size:10px;color:#B6BDC9}
.crumb span{color:var(--blue);font-weight:600}

/* ================= Hero ================= */
.hero{padding:44px 0 8px}
.hero-card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#EEF3FF 0%,#FFFFFF 62%);
  border:1px solid var(--border);border-radius:var(--r-lg);
  padding:44px;box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;
}
.hero-copy h1{margin:16px 0 16px}
.hero-copy > p{font-size:16.5px;max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.hero-points i{color:var(--teal);font-size:14px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;height:330px;object-fit:cover;
  border-radius:20px;box-shadow:var(--sh-2);
}
.float-card{
  position:absolute;left:18px;right:18px;bottom:18px;
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.94);border:1px solid var(--border);
  border-radius:var(--r-md);padding:14px 16px;box-shadow:var(--sh-2);
  backdrop-filter:blur(6px);
}
.float-dot{
  width:10px;height:10px;flex:none;border-radius:50%;background:var(--success);
  box-shadow:0 0 0 4px rgba(18,183,106,.16);
}
.float-card strong{display:block;font-size:14px;color:var(--ink)}
.float-card p{margin:0;font-size:13px;color:var(--ink-3)}

/* ================= 数据条 ================= */
.stats{padding:36px 0 0}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--border);border-radius:20px;
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat-item{padding:26px 22px;text-align:center;border-right:1px solid var(--border)}
.stat-item:last-child{border-right:none}
.stat-item strong{display:block;font-size:30px;font-weight:700;color:var(--blue);letter-spacing:-.01em}
.stat-item span{font-size:13.5px;color:var(--ink-3)}

/* ================= 对比表 ================= */
.table-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:10px 10px 4px;overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare-table{
  width:100%;min-width:760px;border-collapse:separate;border-spacing:0;
}
.compare-table th,.compare-table td{
  padding:16px 20px;font-size:15px;text-align:left;
  border-bottom:1px solid var(--border);color:var(--ink-2);
}
.compare-table thead th{
  background:var(--blue-soft);color:var(--blue-dark);
  font-size:14px;font-weight:700;white-space:nowrap;
}
.compare-table thead th:first-child{border-top-left-radius:var(--r-md)}
.compare-table thead th:last-child{border-top-right-radius:var(--r-md)}
.compare-table tbody th{
  font-weight:600;color:var(--ink);background:#fff;
  position:sticky;left:0;z-index:1;box-shadow:1px 0 0 var(--border);
}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr:hover td{background:#FAFBFF}
.compare-table th.col-reco,
.compare-table td.col-reco{
  background:var(--orange-soft);color:var(--ink);font-weight:600;
  border-left:2px solid var(--orange);border-right:2px solid var(--orange);
}
.compare-table thead th.col-reco{
  border-top:2px solid var(--orange);border-radius:var(--r-md) var(--r-md) 0 0;
  color:var(--orange-dark);
}
.compare-table tbody tr:last-child td.col-reco{
  border-bottom:2px solid var(--orange);border-radius:0 0 var(--r-md) var(--r-md);
}
.reco-badge{
  display:inline-flex;align-items:center;height:20px;padding:0 8px;margin-right:6px;
  background:var(--orange);color:#fff;border-radius:999px;
  font-size:11.5px;font-weight:700;vertical-align:middle;
}
.table-note{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin:12px 14px 12px;
}
.table-note i{color:var(--blue)}

/* ================= 等级阶梯 ================= */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.level-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--border);border-radius:20px;
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.level-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.level-card.is-reco{
  outline:2px solid var(--orange);outline-offset:-2px;
  box-shadow:var(--sh-3);
}
.level-step{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--blue-soft);color:var(--blue);font-weight:700;font-size:15px;
  margin-bottom:16px;
}
.level-card.is-reco .level-step{background:var(--orange);color:#fff}
.level-card h3{font-size:19px;margin-bottom:6px}
.level-cond{font-size:13.5px;color:var(--ink-3);margin:0 0 14px}
.level-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.level-list li{display:flex;gap:9px;font-size:14px;color:var(--ink-2);line-height:1.6}
.level-list i{color:var(--teal);font-size:13px;margin-top:5px;flex:none}
.level-card .btn{margin-top:auto}

/* ================= 选择建议 ================= */
.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.choice-card{
  background:#fff;border:1px solid var(--border);border-radius:20px;
  padding:32px 30px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.choice-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.choice-card h3{display:flex;align-items:center;gap:10px;font-size:19px;margin-bottom:12px}
.choice-card h3 i{color:var(--blue);font-size:17px}
.choice-card p{font-size:15px;margin-bottom:16px}
.choice-card ul{display:flex;flex-direction:column;gap:9px}
.choice-card ul li{display:flex;gap:9px;font-size:14.5px;color:var(--ink-2)}
.choice-card ul li i{color:var(--teal);font-size:13px;margin-top:6px;flex:none}

/* ================= FAQ ================= */
.faq-wrap{max-width:900px}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-accordion .accordion-button{
  background:#fff;color:var(--ink);font-size:16.5px;font-weight:600;
  padding:20px 22px;box-shadow:none;border-radius:var(--r-md) !important;
  display:flex;align-items:center;gap:12px;
}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--blue-soft);color:var(--blue-dark);
}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-button::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;width:auto;height:auto;font-size:14px;
  color:var(--blue);transition:transform var(--ease);margin-left:auto;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"\f068";transform:none;color:var(--orange-dark);
}
.faq-accordion .accordion-body{
  padding:4px 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.8;
}

/* ================= 最终 CTA ================= */
.cta-panel{
  display:grid;grid-template-columns:1.02fr .98fr;gap:44px;
  background:linear-gradient(135deg,#EEF3FF 0%,#FFFFFF 72%);
  border:1px solid var(--border);border-radius:var(--r-lg);
  padding:48px;box-shadow:var(--sh-2);
}
.cta-copy h2{margin:14px 0 14px}
.cta-copy > p{font-size:15.5px;margin-bottom:22px}
.cta-list{display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2)}
.cta-list i{color:var(--teal);font-size:14px;margin-top:6px;flex:none}
.cta-form{
  background:#fff;border:1px solid var(--border);border-radius:20px;
  padding:28px;box-shadow:var(--sh-2);
}
.cta-form h3{font-size:18px;margin-bottom:18px}
.field{display:block;margin-bottom:16px}
.field > span{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field input{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid #D0D5DD;
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field input::placeholder{color:#98A2B3}
.field input:focus{
  outline:none;border-color:var(--blue);
  box-shadow:0 0 0 4px rgba(36,91,219,.12);
}
.plan-pick{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:4px 0 18px}
.plan-opt{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;padding:12px 8px;border:1px solid #D0D5DD;border-radius:var(--r-sm);
  background:#fff;cursor:pointer;transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
  text-align:center;
}
.plan-opt input{position:absolute;opacity:0;pointer-events:none}
.plan-opt b{font-size:14.5px;font-weight:600;color:var(--ink)}
.plan-opt em{font-size:12.5px;font-style:normal;color:var(--ink-3)}
.plan-opt:hover{border-color:var(--blue)}
.plan-opt:has(input:checked){border-color:var(--blue);background:var(--blue-soft);box-shadow:0 0 0 3px rgba(36,91,219,.10)}
.plan-opt:has(input:checked) b{color:var(--blue)}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-3);margin-bottom:18px;cursor:pointer}
.check input{margin-top:4px;width:16px;height:16px;accent-color:var(--blue);flex:none}
.form-hint{font-size:12.5px;color:var(--ink-3);margin:12px 0 0;text-align:center}

/* ================= 页脚 ================= */
.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:auto}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:40px;
  padding:64px 0 48px;
}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-3);margin:18px 0 0;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:var(--ink-2);transition:color var(--ease)}
.footer-col ul li a:hover{color:var(--blue)}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:var(--ink-3);line-height:1.7;margin-bottom:13px}
.footer-contact i{color:var(--teal);margin-top:4px;flex:none;font-size:13px}
.footer-bottom{background:var(--section);border-top:1px solid var(--border);padding:16px 0}
.footer-bottom .wrap{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  font-size:13px;color:var(--ink-3);
}

/* ================= 响应式 ================= */
@media (max-width:1199px){
  :root{--sidebar:232px}
  .hero-card{padding:36px;gap:32px}
  .cta-panel{padding:40px;gap:32px}
  .ladder{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1.4fr;gap:32px}
  .footer-col:nth-child(3){display:none}
}
@media (max-width:991px){
  .mobile-top{display:flex}
  .sidebar{transform:translateX(-100%);width:280px;box-shadow:0 0 40px rgba(16,24,40,.18)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .wrap{padding:0 22px}
  .section{padding:56px 0}
  .hero{padding:28px 0 4px}
  .hero-card{grid-template-columns:1fr;padding:30px}
  .hero-visual img{height:260px}
  .hero-copy > p{max-width:none}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--border)}
  .choice-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:48px 0 36px}
  .footer-col:nth-child(3){display:block}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .wrap{padding:0 16px}
  .section{padding:44px 0}
  .hero-card{padding:24px;border-radius:20px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-visual img{height:210px;border-radius:16px}
  .float-card{left:12px;right:12px;bottom:12px;padding:12px}
  .ladder{grid-template-columns:1fr}
  .level-card.is-reco{outline-offset:0}
  .compare-table th,.compare-table td{padding:14px 16px}
  .cta-form{padding:22px}
  .plan-pick{grid-template-columns:1fr 1fr}
  .plan-pick .plan-opt:last-child{grid-column:1 / -1}
  .footer-grid{grid-template-columns:1fr;padding:40px 0 28px}
  .footer-bottom .wrap{flex-direction:column;gap:6px}
  .faq-accordion .accordion-button{font-size:15.5px;padding:17px 18px}
  .faq-accordion .accordion-body{padding:2px 18px 18px}
}

/* roulang page: category2 */
:root{
  --brand:#245BDB;
  --brand-dark:#1746B5;
  --brand-light:#EEF3FF;
  --teal:#12A594;
  --teal-light:#E6F7F4;
  --coral:#FF7A45;
  --coral-dark:#E85D2A;
  --coral-light:#FFF0EA;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --border:#E4E7EC;
  --text:#101828;
  --text-2:#475467;
  --text-3:#667085;
  --r-s:12px;
  --r-m:16px;
  --r-l:24px;
  --sh-1:0 4px 12px rgba(16,24,40,.04);
  --sh-2:0 12px 32px rgba(16,24,40,.06);
  --sh-3:0 16px 40px rgba(36,91,219,.12);
  --sidebar-w:264px;
  --sidebar-w-md:232px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--brand-dark);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text);}
p{margin:0 0 18px;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(36,91,219,.28);border-radius:var(--r-s);}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}

/* ---------- layout ---------- */
.app-sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--card);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  padding:22px 18px;
  z-index:1045;
  transition:transform .26s ease;
}
.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.page-body{flex:1;}

/* ---------- brand ---------- */
.brand{display:flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:13px;
  background:linear-gradient(140deg,var(--brand),#3C74F0);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:0 8px 18px rgba(36,91,219,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.16em;}

/* ---------- nav ---------- */
.nav-list{display:flex;flex-direction:column;gap:6px;margin-top:28px;}
.nav-list a{
  display:flex;align-items:center;gap:12px;
  padding:11px 14px;
  border-radius:var(--r-s);
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  transition:background .18s ease,color .18s ease;
}
.nav-list a i{width:18px;text-align:center;font-size:15px;color:var(--text-3);transition:color .18s ease;}
.nav-list a:hover{background:#F2F6FF;color:var(--brand);}
.nav-list a:hover i{color:var(--brand);}
.nav-list a.active{background:var(--brand-light);color:var(--brand);font-weight:700;}
.nav-list a.active i{color:var(--brand);}
.sidebar-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--border);}
.sidebar-foot .btn{width:100%;}
.sidebar-note{
  margin-top:14px;font-size:12.5px;line-height:1.6;color:var(--text-3);
  background:var(--bg);border-radius:var(--r-s);padding:12px 13px;
  display:flex;gap:9px;align-items:flex-start;
}
.sidebar-note i{color:var(--teal);margin-top:3px;}

/* ---------- buttons ---------- */
.btn{
  border-radius:var(--r-s);
  font-weight:600;
  font-size:15px;
  padding:11px 22px;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(36,91,219,.22);}
.btn-brand:hover{background:var(--brand-dark);color:#fff;box-shadow:0 12px 26px rgba(36,91,219,.3);}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.28);}
.btn-coral:hover{background:var(--coral-dark);color:#fff;box-shadow:0 12px 26px rgba(232,93,42,.32);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#CBD8F5;}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:#B6C9F2;}
.btn-soft{background:var(--teal-light);color:#0B7E71;border-color:#C7ECE6;}
.btn-soft:hover{background:#D6F1EC;color:#0B7E71;}
.btn-lg{padding:14px 28px;font-size:16px;}

/* ---------- topbar (mobile) ---------- */
.mobile-topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;z-index:1050;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  align-items:center;justify-content:space-between;
  padding:0 16px;
}
.mobile-topbar .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:15px;}
.mobile-topbar .brand-text strong{font-size:14px;}
.menu-btn{
  width:42px;height:42px;border-radius:var(--r-s);border:1px solid var(--border);
  background:#fff;color:var(--brand);font-size:17px;display:flex;align-items:center;justify-content:center;
}
.sidebar-mask{
  position:fixed;inset:0;background:rgba(16,24,40,.42);z-index:1040;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.sidebar-mask.show{opacity:1;visibility:visible;}

/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);padding:26px 0 4px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C4C9D4;}

/* ---------- hero ---------- */
.hero{padding:26px 0 0;}
.hero-panel{
  background:linear-gradient(180deg,#FFFFFF 0%,#F3F7FF 100%);
  border:1px solid var(--border);
  border-radius:var(--r-l);
  box-shadow:var(--sh-2);
  padding:44px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--teal-light);color:#0B7E71;
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,3.4vw,44px);
  line-height:1.2;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;}
.hero-facts .fact b{display:block;font-size:22px;color:var(--brand);line-height:1.2;}
.hero-facts .fact span{font-size:13px;color:var(--text-3);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--r-l);
  box-shadow:var(--sh-3);
  object-fit:cover;aspect-ratio:4/3;
}
.hero-float{
  position:absolute;left:-18px;bottom:-18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  box-shadow:var(--sh-2);padding:14px 18px;min-width:206px;
}
.hero-float .row-line{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-2);}
.hero-float .row-line i{color:var(--teal);}
.hero-float .tag-on{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--teal-light);color:#0B7E71;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:999px;margin-bottom:9px;
}

/* ---------- section ---------- */
.section{padding:88px 0 0;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head .kicker{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;margin-bottom:12px;display:block;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;}
.section-head p{color:var(--text-2);margin:0;font-size:16px;}

/* ---------- capability cards ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.cap-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-m);
  padding:26px 26px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  position:relative;overflow:hidden;
}
.cap-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6E0F7;}
.cap-num{
  font-size:13px;font-weight:700;color:var(--brand);background:var(--brand-light);
  border-radius:8px;padding:3px 10px;display:inline-block;margin-bottom:16px;
}
.cap-card h3{font-size:20px;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.cap-card h3 i{color:var(--brand);font-size:17px;}
.cap-card p{color:var(--text-2);font-size:15px;margin:0;}
.cap-card.accent{border-color:#F7D3C2;background:linear-gradient(180deg,#FFF9F6 0%,#FFFFFF 60%);}
.cap-card.accent .cap-num{background:var(--coral-light);color:var(--coral-dark);}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:auto auto;gap:22px;}
.bento-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.bento-card .thumb{position:relative;overflow:hidden;}
.bento-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .28s ease;}
.bento-card:hover .thumb img{transform:scale(1.03);}
.lock-badge{
  position:absolute;top:12px;left:12px;
  background:rgba(16,24,40,.72);color:#fff;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:999px;display:inline-flex;align-items:center;gap:6px;
  backdrop-filter:blur(4px);
}
.bento-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.bento-card h3{font-size:18px;margin-bottom:8px;}
.bento-card p{font-size:14px;color:var(--text-2);margin:0 0 14px;}
.bento-card .link{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:7px;
}
.bento-card .link:hover{gap:11px;}
.bento-card.large{grid-row:span 2;}
.bento-card.large .thumb img{aspect-ratio:4/3;}
.bento-card.large h3{font-size:21px;}
.bento-card.large p{font-size:15px;}
.chip{
  display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;
  background:var(--brand-light);color:var(--brand);margin-bottom:10px;
}
.chip.teal{background:var(--teal-light);color:#0B7E71;}
.chip.coral{background:var(--coral-light);color:var(--coral-dark);}

/* ---------- alternating ---------- */
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:34px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-l);
  box-shadow:var(--sh-1);
}
.alt-row + .alt-row{margin-top:24px;}
.alt-row.reverse .alt-media{order:2;}
.alt-media img{width:100%;border-radius:var(--r-m);aspect-ratio:4/3;object-fit:cover;}
.alt-text h3{font-size:24px;margin-bottom:14px;}
.alt-text > p{color:var(--text-2);}
.check-list li{
  display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--text-2);
  padding:7px 0;
}
.check-list li i{color:var(--teal);margin-top:5px;font-size:13px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-m);
  padding:26px 22px;box-shadow:var(--sh-1);position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step-idx{
  width:38px;height:38px;border-radius:12px;background:var(--brand-light);color:var(--brand);
  font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  font-size:15px;
}
.step h3{font-size:17px;margin-bottom:9px;}
.step p{font-size:14px;color:var(--text-2);margin:0;}
.step.hot{border-color:#F7D3C2;box-shadow:0 12px 30px rgba(255,122,69,.12);}
.step.hot .step-idx{background:var(--coral-light);color:var(--coral-dark);}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:1px solid var(--border) !important;
  border-radius:var(--r-m) !important;
  margin-bottom:14px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  background:#fff;
  padding:20px 22px;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){
  background:#EEF3FF;
  color:var(--brand);
}
.accordion-button::after{
  background-image:none !important;
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  content:"\f067";
  font-size:13px;
  width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:var(--brand-light);
  color:var(--brand);
  transform:none;
  transition:background .18s ease,color .18s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"\f068";
  background:var(--brand);
  color:#fff;
  transform:none;
}
.accordion-body{
  padding:4px 22px 22px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
}

/* ---------- cta ---------- */
.cta-panel{
  background:linear-gradient(150deg,#EEF3FF 0%,#F8FBFF 52%,#FFF3ED 100%);
  border:1px solid var(--border);
  border-radius:var(--r-l);
  padding:46px;
  display:grid;
  grid-template-columns:1fr 380px;
  gap:44px;
  box-shadow:var(--sh-2);
}
.cta-panel h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;}
.cta-panel > div > p{color:var(--text-2);max-width:520px;}
.cta-list li{display:flex;gap:11px;align-items:flex-start;padding:8px 0;font-size:15px;color:var(--text-2);}
.cta-list li i{color:var(--coral-dark);margin-top:5px;font-size:13px;}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  padding:24px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:18px;margin-bottom:6px;}
.form-card .hint{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.form-card label{font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:7px;display:block;}
.form-card .form-control{
  height:48px;border-radius:var(--r-s);border-color:#D0D5DD;font-size:15px;padding:0 14px;
}
.form-card .form-control:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(36,91,219,.14);
}
.form-card .form-control::placeholder{color:#98A2B3;}
.form-check-input{width:18px;height:18px;margin-top:3px;border-color:#D0D5DD;}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-label{font-size:13px;color:var(--text-3);line-height:1.6;}

/* ---------- footer ---------- */
.site-footer{margin-top:88px;background:#fff;border-top:1px solid var(--border);}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);margin:0;max-width:360px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);align-items:flex-start;}
.footer-contact li i{color:var(--brand);margin-top:5px;font-size:14px;}
.footer-bottom{background:#EEF3FF;border-top:1px solid var(--border);}
.footer-bottom .wrap{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:18px;padding-bottom:18px;font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--sidebar-w:var(--sidebar-w-md);}
  .hero-panel{padding:36px;gap:34px;}
  .wrap{padding:0 22px;}
}
@media (max-width:991px){
  .app-sidebar{
    transform:translateX(-100%);
    width:280px;
    box-shadow:0 20px 60px rgba(16,24,40,.18);
    border-right:none;
    overflow-y:auto;
  }
  .app-sidebar.open{transform:translateX(0);}
  .app-main{margin-left:0;}
  .mobile-topbar{display:flex;}
  .page-body{padding-top:60px;}
  .hero-panel{grid-template-columns:1fr;gap:30px;padding:32px 24px;}
  .hero-float{position:static;margin-top:16px;left:0;bottom:0;min-width:0;}
  .bento{grid-template-columns:1fr 1fr;}
  .bento-card.large{grid-column:span 2;grid-row:auto;}
  .steps{grid-template-columns:1fr 1fr;}
  .alt-row{grid-template-columns:1fr;gap:24px;padding:26px;}
  .alt-row.reverse .alt-media{order:0;}
  .cta-panel{grid-template-columns:1fr;padding:32px 24px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 32px;}
  .section{padding:64px 0 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .wrap{padding:0 18px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-facts{gap:20px;}
  .cap-grid{grid-template-columns:1fr;}
  .bento{grid-template-columns:1fr;}
  .bento-card.large{grid-column:span 1;}
  .steps{grid-template-columns:1fr;}
  .section{padding:52px 0 0;}
  .section-head{margin-bottom:28px;}
  .accordion-button{font-size:15.5px;padding:17px 18px;}
  .accordion-body{padding:2px 18px 18px;}
  .site-footer{margin-top:56px;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .cta-panel{padding:26px 18px;}
  .form-card{padding:20px 16px;}
  .hero-panel{padding:26px 18px;}
  .alt-row{padding:20px 16px;}
  .crumb{font-size:12.5px;padding-top:20px;}
}