/* roulang page: index */
:root{
  --bs-primary:#1F4E8C;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-border-radius:14px;
  --bs-link-color:#1F4E8C;
  --bs-link-hover-color:#163A6B;
  --ink:#1F4E8C;
  --ink-deep:#163A6B;
  --ink-soft:#E7EFFA;
  --amber:#DE8A2F;
  --amber-deep:#C2761F;
  --page:#F7F9FC;
  --surface:#FFFFFF;
  --surface-alt:#F2F6FC;
  --text:#16202E;
  --text-2:#4A5A70;
  --text-3:#8494A8;
  --line:#E1E8F2;
  --shadow-sm:0 2px 8px rgba(22,42,74,.06);
  --shadow-md:0 12px 28px rgba(22,42,74,.12);
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --focus:0 0 0 3px rgba(222,138,47,.35);
  --ease:180ms ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--ink-deep);text-decoration:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px;}
.container-xl{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 4px 16px rgba(22,42,74,.07);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;transition:height var(--ease);}
.site-header.is-stuck .nav-wrap{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:36px;height:36px;flex:0 0 36px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:2px;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:8px 0;display:inline-block;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--amber);transition:width 160ms ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--ink);}
.nav-links a.is-active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:10px;position:relative;cursor:pointer;
}
.nav-toggle span{
  position:absolute;left:12px;width:20px;height:2px;background:var(--ink);
  border-radius:2px;transition:transform 200ms ease,opacity 160ms ease;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  box-shadow:0 16px 28px rgba(22,42,74,.10);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer ul{padding:8px 24px 20px;}
.mobile-drawer li + li{border-top:1px solid var(--line);}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:15px;color:var(--text-2);
}
.mobile-drawer a.is-active{color:var(--ink);font-weight:600;}
.mobile-drawer .drawer-cta{padding:0 24px 24px;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;font-weight:600;
  font-size:15px;line-height:1;transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease);}
.btn-star{
  background:var(--amber);color:#fff;height:48px;padding:0 24px;border-radius:var(--radius-btn);
  box-shadow:0 4px 12px rgba(222,138,47,.24);
}
.btn-star:hover{background:var(--amber-deep);color:#fff;transform:translateY(-1px);}
.btn-star:active{transform:translateY(0);}
.btn-outline-ink{
  background:transparent;color:var(--ink);height:48px;padding:0 24px;border-radius:var(--radius-btn);
  border:1.5px solid var(--ink);
}
.btn-outline-ink:hover{background:var(--ink-soft);color:var(--ink-deep);}
.btn-outline-light{
  background:transparent;color:#fff;height:48px;padding:0 24px;border-radius:var(--radius-btn);
  border:1.5px solid rgba(255,255,255,.7);
}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;font-size:15px;}
.btn-text .arw{transition:transform 160ms ease;}
.btn-text:hover{color:var(--ink-deep);border-bottom:1px solid var(--ink-deep);}
.btn-text:hover .arw{transform:translateX(4px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- hero ---------- */
.hero{padding:56px 0 72px;background:
  radial-gradient(circle at 88% 8%,rgba(31,78,140,.06) 0 2px,transparent 2px) 0 0/26px 26px,
  linear-gradient(180deg,#FFFFFF 0%,#F7F9FC 100%);}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;min-height:520px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--ink-soft);color:var(--ink);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:14px;height:2px;background:var(--amber);border-radius:2px;}
h1.hero-title{
  font-size:clamp(28px,3.6vw,44px);line-height:1.28;letter-spacing:-.5px;color:var(--text);
  margin-bottom:20px;max-width:16em;
}
h1.hero-title em{font-style:normal;color:var(--ink);}
.hero-lead{font-size:17px;color:var(--text-2);max-width:640px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;}
.hero-stat{padding:0 26px;border-left:1px solid var(--line);}
.hero-stat:first-child{padding-left:0;border-left:0;}
.hero-stat b{display:block;font-size:40px;line-height:1.1;color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;}
.hero-stat span{font-size:13px;color:var(--text-3);}
.hero-visual{position:relative;}
.hero-visual img{width:100%;height:100%;min-height:380px;max-height:480px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);}
.hero-float{
  position:absolute;left:-18px;bottom:24px;background:#fff;border-radius:14px;
  box-shadow:var(--shadow-md);border:1px solid var(--line);padding:16px 20px;min-width:190px;
}
.hero-float small{display:block;font-size:12px;color:var(--text-3);letter-spacing:1px;}
.hero-float strong{display:block;font-size:22px;color:var(--ink);font-variant-numeric:tabular-nums;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section.alt{background:var(--surface-alt);}
.section.white{background:var(--surface);}
.section-head{margin-bottom:44px;max-width:720px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--amber);
  letter-spacing:1px;margin-bottom:12px;text-transform:none;
}
.section-tag::before{content:"";width:3px;height:14px;background:var(--amber);border-radius:2px;}
.section-head h2{font-size:clamp(23px,2.4vw,32px);line-height:1.35;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:15.5px;max-width:640px;margin:0;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- capability strip ---------- */
.cap-strip{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:32px 8px;margin-top:-40px;position:relative;z-index:2;
}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.cap-item{padding:0 24px;border-left:1px solid var(--line);}
.cap-item:first-child{border-left:0;}
.cap-item .ico{width:28px;height:28px;color:var(--ink);margin-bottom:12px;}
.cap-item h3{font-size:16px;margin-bottom:6px;}
.cap-item p{font-size:14px;color:var(--text-2);line-height:1.7;margin:0;}

/* ---------- feature numbered list ---------- */
.feature-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.feature-aside h2{font-size:clamp(23px,2.4vw,32px);line-height:1.35;margin-bottom:16px;}
.feature-aside p{color:var(--text-2);font-size:15px;margin-bottom:24px;}
.feature-item{
  display:grid;grid-template-columns:88px 1fr;gap:18px;padding:26px 0;border-top:1px solid var(--line);
}
.feature-item:last-child{border-bottom:1px solid var(--line);}
.feature-num{
  font-size:38px;font-weight:700;line-height:1;color:var(--ink-soft);
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.feature-item h3{font-size:19px;margin-bottom:8px;}
.feature-item p{font-size:15px;color:var(--text-2);margin:0;}
.feature-item .tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;}

.badge-soft{background:var(--ink-soft);color:var(--ink);font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:999px;display:inline-block;}
.badge-amber{background:var(--amber);color:#fff;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;display:inline-block;}

/* ---------- scenes ---------- */
.scene-lead{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;margin-bottom:40px;}
.scene-list li + li{border-top:1px solid var(--line);}
.scene-list a{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;
  padding:18px 4px;color:var(--text);transition:background var(--ease),padding-left var(--ease);
  border-radius:8px;
}
.scene-list a:hover{background:rgba(231,239,250,.6);padding-left:12px;color:var(--ink);}
.scene-list .idx{font-size:13px;font-weight:700;color:var(--amber);font-variant-numeric:tabular-nums;}
.scene-list .t{font-size:16px;font-weight:600;}
.scene-list .t small{display:block;font-weight:400;font-size:13.5px;color:var(--text-3);margin-top:2px;}
.scene-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform var(--ease),box-shadow var(--ease);display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.scene-card img{height:180px;width:100%;object-fit:cover;background:var(--ink-soft);}
.scene-card .body{padding:24px;display:flex;flex-direction:column;flex:1;}
.scene-card h3{font-size:18px;margin:10px 0 8px;}
.scene-card p{font-size:14.5px;color:var(--text-2);margin-bottom:16px;}
.scene-card .btn-text{margin-top:auto;font-size:14px;}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.case-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.case-main img{height:240px;width:100%;object-fit:cover;}
.case-main .body{padding:28px;}
.case-main h3{font-size:20px;margin:12px 0 12px;}
.case-main p{font-size:15px;color:var(--text-2);}
.case-metrics{display:flex;gap:32px;margin-top:20px;padding-top:20px;border-top:1px solid var(--line);}
.case-metrics b{display:block;font-size:28px;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums;}
.case-metrics span{font-size:12.5px;color:var(--text-3);}
.case-side{display:flex;flex-direction:column;gap:24px;}
.case-side .item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow-sm);flex:1;display:flex;flex-direction:column;justify-content:center;
  transition:transform var(--ease),box-shadow var(--ease);
}
.case-side .item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.case-side h4{font-size:17px;margin:12px 0 8px;}
.case-side p{font-size:14px;color:var(--text-2);margin:0;}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px 28px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease);
}
.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.plan.featured{border:2px solid var(--amber);box-shadow:0 16px 34px rgba(222,138,47,.16);transform:translateY(-8px);}
.plan.featured:hover{transform:translateY(-11px);}
.plan .flag{
  position:absolute;top:-13px;right:22px;background:var(--amber);color:#fff;font-size:12px;
  font-weight:600;padding:4px 12px;border-radius:999px;
}
.plan h3{font-size:19px;margin-bottom:6px;}
.plan .for{font-size:13.5px;color:var(--text-3);margin-bottom:18px;}
.plan .price{font-size:34px;font-weight:700;color:var(--ink);line-height:1.1;font-variant-numeric:tabular-nums;}
.plan .price small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:4px;}
.plan .price-note{font-size:13px;color:var(--text-3);margin-bottom:22px;}
.plan ul{margin:0 0 26px;display:flex;flex-direction:column;gap:12px;}
.plan li{position:relative;padding-left:26px;font-size:14.5px;color:var(--text-2);}
.plan li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:8px;
  border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);
  transform:rotate(-45deg);border-radius:1px;
}
.plan .btn{margin-top:auto;width:100%;}
.plan-foot{font-size:13px;color:var(--text-3);margin-top:24px;text-align:center;}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.post-card .thumb{height:150px;background:var(--ink-soft);overflow:hidden;}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;}
.post-card .body{padding:20px;display:flex;flex-direction:column;flex:1;}
.post-card h3{font-size:16px;line-height:1.5;margin:10px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card h3 a{color:var(--text);}
.post-card h3 a:hover{color:var(--ink);}
.post-card p{font-size:13.5px;color:var(--text-2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;
}
.empty-state svg{width:40px;height:40px;color:var(--text-3);margin-bottom:14px;}
.empty-state p{color:var(--text-2);margin-bottom:18px;}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-aside h2{font-size:clamp(23px,2.4vw,32px);line-height:1.35;margin-bottom:16px;}
.faq-aside p{color:var(--text-2);font-size:15px;margin-bottom:24px;}
.faq .accordion-item{border:0;border-top:1px solid var(--line);background:transparent;}
.faq .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq .accordion-button{
  background:transparent;box-shadow:none;padding:20px 0;font-size:16px;font-weight:600;color:var(--text);
  display:flex;justify-content:space-between;align-items:center;width:100%;gap:16px;
}
.faq .accordion-button:not(.collapsed){color:var(--ink);}
.faq .accordion-button::after{
  content:"";flex:0 0 16px;width:16px;height:16px;position:relative;margin-left:auto;
  background:
    linear-gradient(var(--ink),var(--ink)) center/16px 2px no-repeat,
    linear-gradient(var(--ink),var(--ink)) center/2px 16px no-repeat;
  transition:transform 200ms ease;transform:rotate(0deg);
}
.faq .accordion-button:not(.collapsed)::after{
  background:linear-gradient(var(--amber),var(--amber)) center/16px 2px no-repeat;
}
.faq .accordion-button:focus{box-shadow:none;outline:none;}
.faq .accordion-body{padding:0 0 22px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-deep);border-radius:var(--radius-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:22px 22px;
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.2vw,28px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin:0;max-width:560px;}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  background:#101F38;color:#B9C6DA;margin-top:88px;padding:64px 0 0;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:40px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#8494A8;}
.footer-brand p{font-size:14px;line-height:1.8;color:#B9C6DA;margin:18px 0 0;max-width:300px;}
.footer-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:18px;letter-spacing:.5px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#B9C6DA;transition:color var(--ease),transform var(--ease);display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col li{font-size:14px;color:#B9C6DA;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.10);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8494A8;
}
.footer-bottom a{color:#B9C6DA;}
.footer-bottom a:hover{color:#fff;}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-links{gap:24px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .nav-links,.nav-actions .btn{display:none;}
  .nav-toggle{display:block;}
  .hero-grid{grid-template-columns:1fr;gap:32px;min-height:0;}
  .hero-visual img{min-height:300px;max-height:360px;}
  .hero-float{left:12px;bottom:12px;}
  .cap-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .cap-item:nth-child(3){border-left:0;}
  .feature-layout,.faq-layout,.scene-lead{grid-template-columns:1fr;gap:32px;}
  .case-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;gap:32px;}
  .plan.featured{transform:none;}
  .plan.featured:hover{transform:translateY(-3px);}
  .scene-cards{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .section{padding:64px 0;}
}
@media (max-width:767.98px){
  .container-xl{padding-left:16px;padding-right:16px;}
  .section{padding:52px 0;}
  .hero{padding:32px 0 56px;}
  .hero-stats{gap:20px 0;}
  .hero-stat{padding:0 20px;flex:1 1 40%;}
  .hero-stat b{font-size:32px;}
  .scene-cards,.post-grid{grid-template-columns:1fr;}
  .cap-strip{padding:24px 4px;margin-top:-24px;}
  .cap-grid{grid-template-columns:1fr;}
  .cap-item{border-left:0;padding:14px 20px;}
  .cap-item + .cap-item{border-top:1px solid var(--line);}
  .cta-band{padding:32px 24px;border-radius:16px;}
  .cta-band .actions{width:100%;}
  .cta-band .actions .btn{width:100%;}
}
@media (max-width:575.98px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .case-metrics{gap:20px;}
  .feature-item{grid-template-columns:1fr;gap:8px;}
  .feature-num{font-size:28px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --brand:#1F4E8C;
  --brand-deep:#163A6B;
  --brand-soft:#E7EFFA;
  --accent:#DE8A2F;
  --accent-deep:#C2761F;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --surface-alt:#F2F6FC;
  --ink:#16202E;
  --ink-2:#4A5A70;
  --ink-3:#8494A8;
  --line:#E1E8F2;
  --r-sm:10px;
  --r:14px;
  --r-lg:20px;
  --shadow:0 2px 8px rgba(22,42,74,.06);
  --shadow-h:0 12px 28px rgba(22,42,74,.12);
  --focus:0 0 0 3px rgba(222,138,47,.35);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;

  --bs-primary:#1F4E8C;
  --bs-body-font-family:var(--font);
  --bs-border-radius:14px;
  --bs-link-color:#1F4E8C;
  --bs-link-hover-color:#163A6B;
  --bs-body-color:#16202E;
  --bs-body-bg:#F7F9FC;
  --bs-font-sans-serif:var(--font);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.3px;color:var(--ink);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px;}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(22,42,74,.07);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{width:38px;height:38px;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.5px;color:var(--brand-deep);}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:2px;}
.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--accent);
  border-radius:2px;
  transition:width .16s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.btn-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  font-size:15px;
  font-weight:600;
  color:#fff;
  background:var(--accent);
  border:0;
  border-radius:var(--r-sm);
  cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-cta:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);}
.btn-cta:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  background:transparent;
  border:1.5px solid var(--brand);
  border-radius:var(--r-sm);
  cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);}
.btn-ghost-light{
  border-color:rgba(255,255,255,.7);
  color:#fff;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
}
.btn-text .arrow{transition:transform .16s ease;}
.btn-text:hover .arrow{transform:translateX(4px);}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--brand-deep);
  border-radius:2px;
  position:relative;
  transition:background .2s ease;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:20px;
  height:2px;
  background:var(--brand-deep);
  border-radius:2px;
  transition:transform .22s ease,top .22s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  box-shadow:0 18px 30px rgba(22,42,74,.10);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-inner{padding:12px 24px 22px;}
.mobile-drawer a.drawer-link{
  display:flex;
  align-items:center;
  min-height:52px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.drawer-link.is-active{color:var(--brand);font-weight:600;}
.mobile-drawer .btn-cta{width:100%;margin-top:18px;}

/* ---------- Article head ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  padding:22px 0 12px;
}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#C4D0E0;}
.crumbs .current{color:var(--ink-2);}
.article-hero{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding-bottom:34px;
}
.badge-soft{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  font-size:12.5px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:999px;
}
.badge-accent{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  font-size:12.5px;
  font-weight:600;
  color:#fff;
  background:var(--accent);
  border-radius:999px;
}
.article-head h1{
  font-size:clamp(26px,3vw,38px);
  line-height:1.32;
  letter-spacing:-.5px;
  margin:14px 0 0;
  max-width:900px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:18px;
  font-size:13px;
  color:var(--ink-3);
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:#C4D0E0;}

/* ---------- Layout ---------- */
.article-wrap{padding:52px 0 84px;}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:#28323F;
  max-width:780px;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:26px;
  line-height:1.35;
  margin:44px 0 16px;
  padding-left:16px;
  scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:7px;
  width:4px;
  height:20px;
  border-radius:2px;
  background:var(--accent);
}
.article-body h3{
  font-size:20px;
  line-height:1.45;
  margin:30px 0 12px;
  scroll-margin-top:96px;
}
.article-body h4{font-size:16.5px;margin:22px 0 10px;}
.article-body ul{padding-left:0;margin:0 0 1.2em;}
.article-body ul > li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
  line-height:1.85;
}
.article-body ul > li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.72em;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--brand);
}
.article-body ol{
  list-style:decimal;
  padding-left:22px;
  margin:0 0 1.2em;
}
.article-body ol > li{margin-bottom:10px;line-height:1.85;}
.article-body ol > li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:26px 0;
  padding:20px 22px;
  background:var(--brand-soft);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--ink-2);
  font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:24px 0;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--ink-3);
  text-align:center;
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  line-height:1.7;
}
.article-body th{
  background:var(--brand-soft);
  color:var(--brand-deep);
  text-align:left;
  font-weight:600;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);
}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-deep);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}
.article-body strong{color:var(--ink);font-weight:700;}

.article-empty{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:56px 32px;
  text-align:center;
  box-shadow:var(--shadow);
}
.article-empty .empty-icon{
  width:56px;
  height:56px;
  margin:0 auto 18px;
  border-radius:50%;
  background:var(--brand-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--brand);
}
.article-empty h2{font-size:22px;margin-bottom:10px;}
.article-empty p{color:var(--ink-2);font-size:15px;max-width:420px;margin:0 auto 22px;}

.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--ink-3);margin-right:4px;}
.tag-chip{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  font-size:13px;
  color:var(--ink-2);
  background:var(--surface-alt);
  border:1px solid var(--line);
  border-radius:999px;
  transition:all .16s ease;
}
.tag-chip:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);}

/* ---------- Sidebar ---------- */
.side-sticky{
  position:sticky;
  top:88px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--shadow);
  padding:22px;
}
.side-card h3{
  font-size:15px;
  font-weight:700;
  color:var(--brand-deep);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.side-card h3::before{
  content:"";
  width:3px;
  height:14px;
  border-radius:2px;
  background:var(--accent);
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;
  font-size:14px;
  line-height:1.6;
  color:var(--ink-2);
  padding:7px 10px;
  border-left:2px solid var(--line);
  border-radius:0 6px 6px 0;
  transition:all .16s ease;
}
.toc-link:hover{color:var(--brand);background:var(--brand-soft);border-left-color:var(--brand);}
.consult-card{
  background:linear-gradient(180deg,#F4F8FE 0%,#E7EFFA 100%);
  border:1px solid #D6E3F6;
  border-radius:var(--r);
  padding:24px 22px;
  box-shadow:var(--shadow);
}
.consult-card h3{font-size:17px;margin-bottom:10px;color:var(--brand-deep);}
.consult-card p{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:18px;}
.consult-card .btn-cta{width:100%;height:46px;}
.side-links{display:flex;flex-direction:column;}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:14px;
  color:var(--ink-2);
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  transition:color .16s ease,padding-left .16s ease;
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:var(--brand);padding-left:4px;}
.side-links .mini{font-size:12px;color:var(--ink-3);}

/* ---------- Related ---------- */
.section{padding:72px 0;}
.section-alt{background:var(--surface-alt);}
.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:clamp(22px,2.4vw,28px);line-height:1.35;}
.section-head p{font-size:15px;color:var(--ink-2);margin:8px 0 0;max-width:620px;}
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr));}
.info-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
  height:100%;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);}
.info-card .thumb{
  aspect-ratio:16/10;
  background:var(--brand-soft);
  overflow:hidden;
}
.info-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.info-card:hover .thumb img{transform:scale(1.04);}
.info-card .body{padding:22px;display:flex;flex-direction:column;flex:1;}
.info-card .body h3{font-size:17px;line-height:1.5;margin:12px 0 10px;}
.info-card .body h3 a{color:var(--ink);}
.info-card .body h3 a:hover{color:var(--brand);}
.info-card .body p{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0 0 16px;}
.info-card .meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
  padding-top:12px;
  border-top:1px solid var(--line);
}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  border-radius:0;
}
.faq-acc .accordion-item:first-of-type{border-top:1px solid var(--line);}
.faq-acc .accordion-header{margin:0;font-size:inherit;}
.faq-acc .accordion-button{
  background:transparent;
  box-shadow:none;
  border-radius:0;
  padding:20px 2px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
  transition:color .16s ease;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand);
  background:transparent;
  box-shadow:none;
}
.faq-acc .accordion-button:hover{color:var(--brand);}
.faq-acc .accordion-button:focus{box-shadow:var(--focus);}
.faq-acc .accordion-button::after{
  content:"+";
  background-image:none;
  width:24px;
  height:24px;
  font-size:20px;
  font-weight:400;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--brand);
  transform:none;
  transition:color .16s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.faq-acc .accordion-body{
  padding:0 2px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--brand-deep);
  border-radius:var(--r-lg);
  padding:44px 40px;
  color:#fff;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:34px 34px;
  opacity:.28;
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(21px,2.3vw,26px);color:#fff;margin-bottom:8px;}
.cta-band p{font-size:15px;color:#C6D5EA;margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  background:#101F38;
  color:#B9C6DA;
  padding:64px 0 0;
  margin-top:0;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:40px 40px;
  opacity:.05;
  pointer-events:none;
}
.site-footer .container-xl{position:relative;z-index:1;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:#8FA3BF;}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9B8CD;margin:16px 0 0;max-width:320px;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.3px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:#A9B8CD;line-height:1.7;}
.footer-col a{
  font-size:14px;
  color:#B9C6DA;
  display:inline-block;
  transition:color .16s ease,transform .16s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;
  color:#8FA3BF;
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{font-size:13px;color:#8FA3BF;}
.footer-links a:hover{color:#fff;}

@media (max-width:1199.98px){
  .nav-links{gap:22px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .side-sticky{position:static;margin-top:8px;}
  .article-body{max-width:none;}
  .section{padding:60px 0;}
  .article-wrap{padding:40px 0 64px;}
  .cta-band{padding:34px 26px;}
}
@media (max-width:767.98px){
  .container-xl{padding-left:16px;padding-right:16px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .article-body{font-size:16.5px;line-height:1.85;}
  .article-body h2{font-size:22px;margin-top:36px;}
  .article-body h3{font-size:18px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:26px;}
  .cta-band{border-radius:16px;padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-cta,.cta-actions .btn-ghost{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519.98px){
  .brand-name{font-size:16px;}
  .article-head h1{font-size:24px;}
  .btn-cta,.btn-ghost{height:44px;font-size:14.5px;padding:0 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --indigo:#1F4E8C;
  --indigo-dark:#163A6B;
  --indigo-light:#E7EFFA;
  --amber:#DE8A2F;
  --amber-dark:#C2761F;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --surface-alt:#F2F6FC;
  --text:#16202E;
  --text-2:#4A5A70;
  --text-3:#8494A8;
  --line:#E1E8F2;
  --radius-btn:10px;
  --radius-card:14px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(22,42,74,.06);
  --shadow-md:0 12px 28px rgba(22,42,74,.12);
  --bs-primary:#1F4E8C;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;
  --bs-border-radius:10px;
  --bs-link-color:#1F4E8C;
  --bs-link-hover-color:#163A6B;
  --bs-body-color:#16202E;
  --bs-body-bg:#F7F9FC;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:var(--indigo);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--indigo-dark);}
h1,h2,h3,h4,h5{margin:0;line-height:1.35;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(222,138,47,.35);outline-offset:2px;}
.container-xl{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1280px){.container-xl{max-width:1264px;}}
@media (max-width:767px){.container-xl{padding-left:16px;padding-right:16px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 2px 10px rgba(22,42,74,.07);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .2s ease;}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:36px;height:36px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:17px;font-weight:700;color:var(--indigo);letter-spacing:-.3px;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:3px;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:auto;}
.nav-links a{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2);}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--amber);transition:width .16s ease;}
.nav-links a:hover{color:var(--indigo);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--indigo);font-weight:600;}
.nav-links a.is-active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

/* ---------- Buttons ---------- */
.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:0;cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;}
.btn-amber{background:var(--amber);color:#fff;}
.btn-amber:hover{background:var(--amber-dark);color:#fff;transform:translateY(-1px);}
.btn-amber:active{transform:translateY(0);}
.btn-outline{background:transparent;border:1.5px solid var(--indigo);color:var(--indigo);}
.btn-outline:hover{background:var(--indigo-light);color:var(--indigo-dark);}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}

/* ---------- Mobile nav ---------- */
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;position:relative;padding:0;}
.nav-toggle span{position:absolute;left:11px;width:20px;height:2px;background:var(--indigo);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.drawer-mask{position:fixed;inset:0;background:rgba(16,31,56,.42);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:1040;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(84vw,360px);background:#fff;z-index:1050;transform:translateX(102%);transition:transform .24s ease;padding:84px 24px 24px;box-shadow:-12px 0 32px rgba(22,42,74,.16);display:flex;flex-direction:column;}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer .drawer-link{display:flex;align-items:center;height:52px;font-size:16px;font-weight:500;color:var(--text);border-bottom:1px solid var(--line);}
.mobile-drawer .drawer-link.is-active{color:var(--indigo);font-weight:600;}
.mobile-drawer .btn{width:100%;margin-top:auto;}
@media (max-width:991px){
  .nav-links{display:none;}
  .header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
}

/* ---------- Hero ---------- */
.page-hero{position:relative;background:var(--surface-alt);overflow:hidden;}
.page-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(31,78,140,.55) 1px,transparent 1px);background-size:26px 26px;opacity:.05;pointer-events:none;}
.breadcrumb-custom{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--text-3);padding-top:22px;position:relative;}
.breadcrumb-custom a{color:var(--text-3);}
.breadcrumb-custom a:hover{color:var(--indigo);}
.breadcrumb-custom .sep{color:#C3CFDF;}
.breadcrumb-custom .current{color:var(--text-2);}
.page-hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;padding:20px 0 64px;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--amber);letter-spacing:1px;margin-bottom:14px;}
.hero-tag::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--amber);}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);font-weight:700;line-height:1.28;letter-spacing:-.5px;color:var(--text);}
.page-hero h1 em{font-style:normal;color:var(--indigo);}
.hero-lead{margin-top:18px;max-width:620px;font-size:17px;color:var(--text-2);line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:32px;margin-top:36px;padding-top:26px;border-top:1px solid #DCE6F3;}
.hero-fact strong{display:block;font-size:32px;font-weight:700;line-height:1.1;color:var(--indigo);font-variant-numeric:tabular-nums;}
.hero-fact span{display:block;font-size:13px;color:var(--text-3);margin-top:4px;}
.page-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);background:var(--indigo-light);}
@media (max-width:991px){
  .page-hero-grid{grid-template-columns:1fr;gap:32px;padding-bottom:52px;}
  .page-hero-media img{aspect-ratio:16/9;}
}
@media (max-width:575px){
  .hero-actions .btn{width:100%;}
  .hero-facts{gap:22px;}
  .hero-fact strong{font-size:26px;}
}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--surface-alt);}
@media (max-width:991px){.section{padding:64px 0;}}
@media (max-width:767px){.section{padding:52px 0;}}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;margin-bottom:44px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--amber);letter-spacing:1px;margin-bottom:12px;}
.eyebrow::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--amber);}
.section-head h2{font-size:clamp(24px,2.5vw,31px);font-weight:700;letter-spacing:-.3px;}
.section-lead{max-width:520px;font-size:15px;color:var(--text-2);line-height:1.8;}

/* ---------- Chip tabs ---------- */
.chip-bar{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;margin-bottom:34px;scrollbar-width:thin;}
.chip-bar::-webkit-scrollbar{height:4px;}
.chip-bar::-webkit-scrollbar-thumb{background:#D3DEEE;border-radius:4px;}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;font-weight:500;color:var(--text-2);white-space:nowrap;transition:all .18s ease;}
.chip:hover{border-color:#B8CDE8;color:var(--indigo);}
.chip.is-active{background:var(--indigo-light);border-color:#C6DAF2;color:var(--indigo);font-weight:600;box-shadow:inset 0 -2px 0 var(--amber);}

/* ---------- Event cards ---------- */
.event-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.event-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .18s ease,transform .18s ease;}
.event-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.event-card-media img{width:100%;height:176px;object-fit:cover;background:var(--indigo-light);}
.event-card-body{display:flex;flex-direction:column;flex:1;padding:24px;}
.badge-soft{display:inline-block;align-self:flex-start;padding:4px 10px;border-radius:999px;background:var(--indigo-light);color:var(--indigo);font-size:12px;font-weight:600;letter-spacing:.2px;}
.badge-amber{display:inline-block;align-self:flex-start;padding:4px 10px;border-radius:999px;background:var(--amber);color:#fff;font-size:12px;font-weight:600;}
.event-card-body h3{margin-top:14px;font-size:19px;font-weight:600;}
.event-card-body p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:18px;font-size:14px;font-weight:600;color:var(--indigo);}
.link-arrow span{transition:transform .18s ease;display:inline-block;}
.link-arrow:hover{color:var(--indigo-dark);text-decoration:underline;}
.link-arrow:hover span{transform:translateX(4px);}
@media (max-width:991px){.event-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575px){.event-grid{grid-template-columns:1fr;}}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;box-shadow:var(--shadow-sm);transition:box-shadow .18s ease,transform .18s ease;}
.step:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.step-num{display:block;font-size:38px;font-weight:700;line-height:1;color:rgba(31,78,140,.18);font-variant-numeric:tabular-nums;}
.step h3{margin-top:14px;font-size:18px;font-weight:600;}
.step p{margin-top:8px;font-size:14.5px;color:var(--text-2);line-height:1.78;}
@media (max-width:991px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575px){.steps{grid-template-columns:1fr;}}

/* ---------- Related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .18s ease,transform .18s ease;}
.related-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.related-card img{width:100%;height:150px;object-fit:cover;background:var(--indigo-light);}
.related-card .rc-body{padding:22px 24px;display:flex;flex-direction:column;flex:1;}
.related-card h3{font-size:17px;font-weight:600;margin-top:12px;}
.related-card p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.78;}
.related-card .link-arrow{padding-top:16px;}
@media (max-width:991px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575px){.related-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start;}
.faq-intro h2{font-size:clamp(24px,2.5vw,30px);font-weight:700;}
.faq-intro p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.8;max-width:340px;}
.faq-intro .btn{margin-top:24px;}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--line);}
.faq-accordion .accordion-button{position:relative;background:transparent;padding:20px 46px 20px 0;font-size:16px;font-weight:600;color:var(--text);box-shadow:none;border-radius:0;}
.faq-accordion .accordion-button:not(.collapsed){color:var(--indigo);background:transparent;box-shadow:none;}
.faq-accordion .accordion-button::after{display:none;}
.faq-accordion .accordion-button::before{content:"+";position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;line-height:1;color:var(--indigo);}
.faq-accordion .accordion-button:not(.collapsed)::before{content:"−";color:var(--amber);}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:3px solid rgba(222,138,47,.35);outline-offset:-3px;}
.faq-accordion .accordion-body{padding:0 46px 22px 0;font-size:15px;line-height:1.85;color:var(--text-2);}
@media (max-width:991px){.faq-layout{grid-template-columns:1fr;gap:32px;}}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--indigo-dark);border-radius:var(--radius-lg);padding:48px 40px;display:flex;align-items:center;justify-content:space-between;gap:36px;}
.cta-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px);background-size:24px 24px;opacity:.05;pointer-events:none;}
.cta-band h2{position:relative;color:#fff;font-size:clamp(22px,2.3vw,27px);font-weight:700;letter-spacing:-.2px;}
.cta-band p{position:relative;margin-top:10px;color:rgba(255,255,255,.76);font-size:15px;line-height:1.8;max-width:560px;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}
@media (max-width:991px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 26px;gap:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 200px;}
}
@media (max-width:575px){
  .cta-actions .btn{width:100%;flex:1 1 100%;}
}

/* ---------- Footer ---------- */
.site-footer{position:relative;overflow:hidden;background:#101F38;color:#B9C6DA;padding:64px 0 0;}
.site-footer::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.7) 1px,transparent 1px);background-size:26px 26px;opacity:.045;pointer-events:none;}
.footer-grid{position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#93A6C1;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:#B9C6DA;max-width:340px;}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:18px;}
.footer-col li{margin-bottom:10px;font-size:14px;line-height:1.7;}
.footer-col a{color:#B9C6DA;font-size:14px;display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{position:relative;margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:#8494A8;}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:#93A6C1;font-size:13px;}
.footer-links a:hover{color:#fff;}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;gap:28px;}.footer-bottom{flex-direction:column;align-items:flex-start;}}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category2 */
:root{
  --brand-900:#163A6B;
  --brand-700:#1F4E8C;
  --brand-100:#E7EFFA;
  --accent:#DE8A2F;
  --accent-dark:#C2761F;
  --bg:#F7F9FC;
  --bg-alt:#F2F6FC;
  --surface:#FFFFFF;
  --ink:#16202E;
  --ink-2:#4A5A70;
  --ink-3:#8494A8;
  --line:#E1E8F2;
  --line-strong:#D8E2F0;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --shadow-sm:0 2px 8px rgba(22,42,74,.06);
  --shadow-md:0 12px 28px rgba(22,42,74,.12);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-primary:#1F4E8C;
  --bs-body-font-family:var(--font);
  --bs-body-color:var(--ink);
  --bs-body-bg:var(--bg);
  --bs-border-radius:10px;
  --bs-border-color:var(--line);
  --bs-link-color:#1F4E8C;
  --bs-link-hover-color:#163A6B;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-900);}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.3px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(222,138,47,.35);outline-offset:2px;border-radius:6px;}
.container-xl{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:96px 0;}
.section-alt{background:var(--surface);}
.section-soft{background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,2.4vw,31px);font-weight:700;line-height:1.35;}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px;max-width:640px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid transparent;
  transition:box-shadow .18s ease,border-color .18s ease,padding .18s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 4px 16px rgba(22,42,74,.07);
}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
  transition:height .18s ease;
}
.site-header.is-scrolled .nav-bar{height:64px;}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;}
.brand-mark{width:38px;height:38px;flex:0 0 38px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:700;color:var(--brand-700);letter-spacing:.4px;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:2px;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;line-height:1.4;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--accent);transition:width .16s ease;
}
.nav-links a:hover{color:var(--brand-700);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--brand-700);font-weight:600;}
.nav-links a.is-active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border:none;border-radius:var(--r-sm);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-cta:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700);
  font-size:15px;font-weight:600;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost-light{
  border-color:rgba(255,255,255,.7);color:#fff;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-700);
}
.link-arrow span.arrow{transition:transform .18s ease;}
.link-arrow:hover{color:var(--brand-900);text-decoration:underline;}
.link-arrow:hover span.arrow{transform:translateX(4px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:10px;background:#fff;position:relative;
}
.nav-toggle i{
  position:absolute;left:12px;width:20px;height:2px;background:var(--brand-700);
  border-radius:2px;transition:transform .2s ease,opacity .2s ease,top .2s ease;
}
.nav-toggle i:nth-child(1){top:15px;}
.nav-toggle i:nth-child(2){top:21px;}
.nav-toggle i:nth-child(3){top:27px;}
.nav-toggle.is-open i:nth-child(1){top:21px;transform:rotate(45deg);}
.nav-toggle.is-open i:nth-child(2){opacity:0;}
.nav-toggle.is-open i:nth-child(3){top:21px;transform:rotate(-45deg);}
.nav-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:8px 0 20px;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:flex;align-items:center;height:52px;
  font-size:16px;color:var(--ink);border-bottom:1px solid var(--line);
}
.nav-drawer a.is-active{color:var(--brand-700);font-weight:600;}
.nav-drawer .drawer-cta{margin-top:18px;}
.nav-drawer .btn-cta{width:100%;height:48px;}

/* ---------- breadcrumb ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);padding:26px 0 0;
}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--brand-700);}
.crumbs .sep{color:var(--line-strong);}
.crumbs .current{color:var(--ink);}

/* ---------- hero ---------- */
.page-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,#F7F9FC 100%);
  padding:34px 0 82px;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  margin-top:26px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:600;border-radius:999px;padding:5px 14px;
}
.page-hero h1{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:700;line-height:1.3;letter-spacing:-.5px;
  margin:18px 0 18px;
}
.page-hero h1 em{font-style:normal;color:var(--brand-700);}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:560px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;
}
.hero-points span{
  font-size:13px;color:var(--brand-700);background:var(--surface);
  border:1px solid var(--line);border-radius:999px;padding:5px 12px;
  box-shadow:var(--shadow-sm);
}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 18px 40px rgba(22,42,74,.13);
  background:var(--brand-100);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-float{
  position:absolute;left:20px;bottom:20px;right:auto;
  background:#fff;border-radius:var(--r-md);padding:14px 18px;
  box-shadow:var(--shadow-md);border:1px solid var(--line);
  display:flex;align-items:center;gap:16px;
}
.hero-float .num{font-size:26px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1;}
.hero-float .lbl{font-size:12px;color:var(--ink-3);line-height:1.5;}

/* ---------- metrics ---------- */
.metrics{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:-46px;position:relative;z-index:2;
  overflow:hidden;
}
.metric{
  padding:28px 26px;border-right:1px solid var(--line);
}
.metric:last-child{border-right:none;}
.metric .num{
  font-size:clamp(30px,3vw,42px);font-weight:700;color:var(--brand-700);
  font-variant-numeric:tabular-nums;line-height:1.1;letter-spacing:-1px;
}
.metric .num small{font-size:15px;font-weight:600;color:var(--ink-2);margin-left:3px;}
.metric .lbl{font-size:13px;color:var(--ink-3);margin-top:8px;}

/* ---------- anchor layout ---------- */
.op-layout{
  display:grid;grid-template-columns:236px 1fr;gap:56px;align-items:start;
}
.anchor-nav{position:sticky;top:104px;}
.anchor-nav .anchor-title{
  font-size:12px;letter-spacing:2px;color:var(--ink-3);
  text-transform:uppercase;margin-bottom:14px;
}
.anchor-nav ul{display:flex;flex-direction:column;gap:2px;}
.anchor-nav a{
  display:block;padding:10px 0 10px 14px;
  border-left:2px solid var(--line);
  font-size:14px;color:var(--ink-2);line-height:1.5;
  transition:color .16s ease,border-color .16s ease,padding-left .16s ease;
}
.anchor-nav a:hover{color:var(--brand-700);border-left-color:var(--accent);padding-left:18px;}
.anchor-nav a.is-active{color:var(--brand-700);font-weight:600;border-left-color:var(--accent);}
.anchor-note{
  margin-top:22px;padding:18px;border-radius:var(--r-md);
  background:var(--brand-100);font-size:13px;color:var(--brand-900);line-height:1.7;
}
.anchor-note a{font-weight:600;color:var(--brand-700);display:inline-block;margin-top:8px;}

.op-list{border-top:1px solid var(--line);}
.op-item{
  display:grid;grid-template-columns:64px 1fr;gap:22px;
  padding:30px 0;border-bottom:1px solid var(--line);
  scroll-margin-top:100px;
}
.op-item .idx{
  font-size:26px;font-weight:700;color:#C9D8EC;line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.op-item h3{font-size:20px;font-weight:600;line-height:1.45;}
.op-item p{margin-top:8px;color:var(--ink-2);font-size:15.5px;max-width:640px;}
.op-points{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px 24px;margin-top:14px;
}
.op-points li{
  position:relative;padding-left:18px;font-size:14px;color:var(--ink-2);line-height:1.75;
}
.op-points li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;
  border-radius:2px;background:var(--accent);
}

/* ---------- flow ---------- */
.flow-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.flow-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:box-shadow .18s ease,transform .18s ease;
}
.flow-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.flow-card .step{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--brand-100);
  color:var(--brand-700);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.flow-card h3{font-size:17px;font-weight:600;margin:16px 0 8px;}
.flow-card p{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* ---------- scenes ---------- */
.scene-band{
  position:relative;background:var(--brand-900);color:#fff;border-radius:var(--r-lg);
  padding:44px 44px;overflow:hidden;
}
.scene-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:22px 22px;opacity:.05;pointer-events:none;
}
.scene-band h2{color:#fff;font-size:clamp(22px,2.2vw,28px);position:relative;}
.scene-band p{color:#C6D4E8;margin-top:10px;max-width:700px;position:relative;}
.scene-list{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px;position:relative;
}
.scene-list div{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);padding:18px 18px;
}
.scene-list strong{display:block;font-size:15px;font-weight:600;color:#fff;}
.scene-list span{display:block;font-size:13px;color:#B9C6DA;margin-top:6px;line-height:1.7;}

/* ---------- reading links ---------- */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.read-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:box-shadow .18s ease,transform .18s ease;
}
.read-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.read-card .thumb{aspect-ratio:16/10;background:var(--brand-100);overflow:hidden;}
.read-card .thumb img{width:100%;height:100%;object-fit:cover;}
.read-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);border-radius:999px;padding:4px 10px;width:fit-content;
}
.read-card h3{font-size:17px;font-weight:600;line-height:1.55;}
.read-card h3 a{color:var(--ink);}
.read-card h3 a:hover{color:var(--brand-700);}
.read-card p{font-size:14px;color:var(--ink-2);line-height:1.75;}
.read-card .meta{margin-top:auto;font-size:13px;color:var(--ink-3);display:flex;justify-content:space-between;align-items:center;}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start;}
.faq-side h2{font-size:clamp(24px,2.4vw,30px);font-weight:700;line-height:1.35;}
.faq-side p{color:var(--ink-2);margin-top:14px;font-size:15px;}
.faq-side .btn-ghost{margin-top:24px;}
.accordion-item{
  border:none;border-bottom:1px solid var(--line);background:transparent;
}
.accordion-button{
  background:transparent;border:none;box-shadow:none;
  padding:20px 40px 20px 0;font-size:16px;font-weight:600;color:var(--ink);
  line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand-700);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button::after{
  content:"+";background-image:none;font-size:22px;font-weight:400;color:var(--brand-700);
  width:auto;height:auto;transform:none;line-height:1;margin-left:auto;
  display:flex;align-items:center;justify-content:center;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.accordion-body{padding:0 40px 22px 0;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ---------- cta ---------- */
.cta-band{
  background:var(--brand-900);border-radius:var(--r-lg);
  padding:44px 44px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:26px 26px;opacity:.055;pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.2vw,28px);position:relative;}
.cta-band p{color:#C6D4E8;margin-top:10px;position:relative;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;background:#101F38;color:#B9C6DA;position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:24px 24px;opacity:.04;pointer-events:none;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;
  padding:64px 0 46px;position:relative;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#8494A8;}
.footer-brand p{font-size:14px;color:#B9C6DA;line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li{font-size:14px;color:#B9C6DA;line-height:2;margin-bottom:2px;}
.footer-col ul li a{color:#B9C6DA;transition:color .18s ease,transform .18s ease;display:inline-block;}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  position:relative;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;justify-content:space-between;align-items:center;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8494A8;
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:#8494A8;font-size:13px;}
.footer-links a:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:40px;}
  .op-layout{grid-template-columns:200px 1fr;gap:40px;}
  .scene-list{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-actions .btn-cta{display:none;}
  .nav-toggle{display:block;}
  .nav-bar{height:64px;}
  .section{padding:72px 0;}
  .page-hero{padding:26px 0 70px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-figure img{aspect-ratio:16/10;}
  .metrics{grid-template-columns:repeat(2,1fr);margin-top:-40px;}
  .metric{border-right:none;border-bottom:1px solid var(--line);}
  .metric:nth-child(odd){border-right:1px solid var(--line);}
  .metric:nth-child(3),.metric:nth-child(4){border-bottom:none;}
  .op-layout{grid-template-columns:1fr;gap:26px;}
  .anchor-nav{
    position:static;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-md);padding:14px 16px;box-shadow:var(--shadow-sm);
  }
  .anchor-nav .anchor-title{display:none;}
  .anchor-nav ul{flex-direction:row;overflow-x:auto;gap:6px;padding-bottom:4px;}
  .anchor-nav a{
    border-left:none;border-bottom:2px solid transparent;
    padding:8px 12px;white-space:nowrap;
  }
  .anchor-nav a:hover{padding-left:12px;}
  .anchor-nav a.is-active{border-bottom-color:var(--accent);}
  .anchor-note{display:none;}
  .faq-layout{grid-template-columns:1fr;gap:30px;}
  .read-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band,.scene-band{padding:34px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 36px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:767.98px){
  .container-xl{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .op-item{grid-template-columns:1fr;gap:10px;padding:26px 0;}
  .op-item .idx{font-size:20px;}
  .op-points{grid-template-columns:1fr;gap:6px;}
  .flow-grid{grid-template-columns:1fr;}
  .read-grid{grid-template-columns:1fr;}
  .scene-list{grid-template-columns:1fr;}
  .hero-float{left:14px;bottom:14px;padding:12px 14px;}
  .hero-float .num{font-size:22px;}
  .crumbs{padding-top:18px;}
  .accordion-button{padding:18px 32px 18px 0;font-size:15.5px;}
  .accordion-body{padding-right:0;}
}
@media (max-width:519.98px){
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:none !important;border-bottom:1px solid var(--line) !important;}
  .metric:last-child{border-bottom:none !important;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-cta,.hero-actions .btn-ghost{width:100%;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn-cta,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --brand:#1F4E8C;
  --brand-dark:#163A6B;
  --brand-light:#E7EFFA;
  --accent:#DE8A2F;
  --accent-dark:#C2761F;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --surface-alt:#F2F6FC;
  --text:#16202E;
  --muted:#4A5A70;
  --weak:#8494A8;
  --line:#E1E8F2;
  --shadow-sm:0 2px 8px rgba(22,42,74,.06);
  --shadow-lg:0 12px 28px rgba(22,42,74,.12);
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --bs-primary:#1F4E8C;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-color:#16202E;
  --bs-body-bg:#F7F9FC;
  --bs-link-color:#1F4E8C;
  --bs-link-hover-color:#163A6B;
  --bs-border-radius:10px;
  --bs-border-radius-lg:14px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:3px solid rgba(222,138,47,.35);outline-offset:2px;border-radius:6px}

/* ---------- 容器 ---------- */
.container-xl{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container-xl{max-width:1280px}}
@media (max-width:767.98px){.container-xl{padding-left:16px;padding-right:16px}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 2px 10px rgba(22,42,74,.07)}
.nav-inner{display:flex;align-items:center;gap:32px;height:72px;transition:height .2s ease}
.site-header.is-scrolled .nav-inner{height:64px}

.brand{display:flex;align-items:center;gap:10px;flex:none;color:var(--brand)}
.brand-mark{width:36px;height:36px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.6px;color:var(--brand)}
.brand-sub{font-size:11px;color:var(--weak);letter-spacing:2.4px}

.nav-links{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:36px;font-size:15px;font-weight:500;color:var(--text)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:width .16s ease}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--brand);font-weight:600}
.nav-links a.is-active::after{width:100%}

.nav-actions{display:flex;align-items:center;gap:12px;flex:none}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--radius-sm);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(194,118,31,.24)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.nav-cta{height:44px;padding:0 20px;font-size:14px}

.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  background:transparent;border:1.5px solid var(--brand);
  color:var(--brand);font-size:15px;font-weight:600;line-height:1;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-line:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px)}
.btn-line:active{transform:translateY(0)}

.btn-line-light{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  background:transparent;border:1.5px solid rgba(255,255,255,.6);
  color:#fff;font-size:15px;font-weight:600;line-height:1;
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-line-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-1px)}

.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand);padding:6px 0}
.btn-text .arw{transition:transform .18s ease}
.btn-text:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px}
.btn-text:hover .arw{transform:translateX(4px)}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0;background:transparent;
  border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{display:none}

@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:72px}
  .site-header.is-scrolled .nav-inner{height:72px}
  .mobile-drawer{
    display:block;position:fixed;left:0;right:0;top:72px;bottom:0;z-index:1029;
    background:#fff;padding:8px 16px 32px;overflow-y:auto;
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    border-top:1px solid var(--line);
  }
  .mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .mobile-drawer a.d-link{
    display:flex;align-items:center;justify-content:space-between;
    min-height:52px;border-bottom:1px solid var(--line);
    font-size:15px;color:var(--text);
  }
  .mobile-drawer a.d-link.is-active{color:var(--brand);font-weight:600}
  .mobile-drawer a.d-link .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:0}
  .mobile-drawer a.d-link.is-active .dot{opacity:1}
  .mobile-drawer .d-cta{margin-top:24px}
  .mobile-drawer .d-cta .btn-main{width:100%}
}

/* ---------- 首屏 ---------- */
.hero-band{background:var(--surface);border-bottom:1px solid var(--line);padding:28px 0 64px}
.breadcrumb-bar{font-size:13px;color:var(--weak);margin-bottom:22px}
.breadcrumb-bar a{color:var(--weak)}
.breadcrumb-bar a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.breadcrumb-bar .sep{margin:0 8px;color:#C6D2E2}
.breadcrumb-bar .current{color:var(--text)}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.4px;margin-bottom:14px}
.eyebrow::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--accent)}

.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:52px;align-items:center}
.hero-copy h1{font-size:clamp(28px,3.6vw,44px);font-weight:700;line-height:1.28;letter-spacing:-.5px}
.hero-copy .hero-lead{margin-top:18px;font-size:17px;line-height:1.85;color:var(--muted);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:38px}
.hero-stats .stat{padding:0 28px;border-left:1px solid var(--line)}
.hero-stats .stat:first-child{padding-left:0;border-left:0}
.hero-stats .num{font-size:34px;font-weight:700;line-height:1.1;color:var(--brand);font-variant-numeric:tabular-nums}
.hero-stats .num small{font-size:15px;font-weight:600;margin-left:2px}
.hero-stats .lbl{font-size:13px;color:var(--weak);margin-top:4px}

.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.hero-float{
  position:absolute;left:-18px;bottom:-20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:14px 18px;box-shadow:var(--shadow-lg);max-width:230px;
}
.hero-float .hf-top{font-size:12px;color:var(--weak);letter-spacing:.5px}
.hero-float .hf-main{font-size:15px;font-weight:600;color:var(--text);margin-top:4px;line-height:1.5}

@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:2}
  .hero-float{left:auto;right:12px;bottom:-18px}
}
@media (max-width:575.98px){
  .hero-band{padding:22px 0 52px}
  .hero-stats .stat{padding:0 18px}
  .hero-stats .num{font-size:28px}
  .hero-float{position:static;margin-top:16px;max-width:none}
}

/* ---------- 子导航条 ---------- */
.subnav{background:#fff;border-bottom:1px solid var(--line)}
.subnav-inner{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none}
.subnav-inner::-webkit-scrollbar{display:none}
.subnav a{position:relative;display:inline-flex;align-items:center;height:56px;font-size:15px;color:var(--muted);white-space:nowrap}
.subnav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:transparent;transition:background .16s ease}
.subnav a:hover{color:var(--brand)}
.subnav a.is-on{color:var(--brand);font-weight:600}
.subnav a.is-on::after{background:var(--accent)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section.alt{background:var(--surface-alt)}
.section.tight{padding-top:64px}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-title{font-size:clamp(24px,2.4vw,32px);font-weight:700;line-height:1.35}
.sec-lead{margin-top:12px;font-size:16px;color:var(--muted)}

@media (max-width:767.98px){
  .section{padding:56px 0}
  .sec-head{margin-bottom:30px}
}

/* ---------- 交替图文块 ---------- */
.zz{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.zz:first-child{border-top:0;padding-top:0}
.zz.is-rev{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.zz.is-rev .zz-media{order:2}
.zz-media{position:relative}
.zz-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.zz-tag{
  position:absolute;left:16px;top:16px;display:inline-flex;align-items:center;
  background:#fff;color:var(--brand);font-size:12px;font-weight:600;
  padding:6px 12px;border-radius:999px;box-shadow:var(--shadow-sm);
}
.zz-body h2{font-size:clamp(21px,2vw,26px);line-height:1.4;margin-bottom:14px}
.zz-body p{color:var(--muted);margin-bottom:8px}
.feat-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;margin:20px 0 26px}
.feat-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--text);line-height:1.7}
.feat-list li::before{
  content:"";position:absolute;left:2px;top:10px;width:9px;height:5px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
}
@media (max-width:991.98px){
  .zz,.zz.is-rev{grid-template-columns:1fr;gap:28px}
  .zz.is-rev .zz-media{order:0}
}
@media (max-width:575.98px){
  .feat-list{grid-template-columns:1fr}
}

/* ---------- 信息卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
@media (max-width:1199.98px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575.98px){.card-grid{grid-template-columns:1fr}}

.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.info-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#CFDDEF}
.info-card .ic-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;color:var(--brand);margin-bottom:16px;
}
.info-card h3{font-size:17px;margin-bottom:8px}
.info-card p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start}
@media (max-width:991.98px){.faq-grid{grid-template-columns:1fr;gap:28px}}

.faq-acc .accordion-item{border:0;border-top:1px solid var(--line);background:transparent;border-radius:0}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  position:relative;background:transparent;border:0;box-shadow:none;
  padding:20px 48px 20px 0;font-size:16px;font-weight:600;color:var(--text);
  line-height:1.6;border-radius:0;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:none;outline:3px solid rgba(222,138,47,.35);outline-offset:-3px}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:24px;top:calc(50% - 1px);
  width:14px;height:2px;background:var(--brand);border-radius:2px;
  background-image:none;transform:none;transition:background .2s ease;
}
.faq-acc .accordion-button::before{
  content:"";position:absolute;right:30px;top:calc(50% - 7px);
  width:2px;height:14px;background:var(--brand);border-radius:2px;
  transition:opacity .2s ease,transform .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:0;transform:scaleY(.3)}
.faq-acc .accordion-body{padding:0 48px 22px 0;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 延伸阅读 ---------- */
.read-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:991.98px){.read-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575.98px){.read-grid{grid-template-columns:1fr}}

.read-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:box-shadow .18s ease,transform .18s ease;
}
.read-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.read-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--brand-light)}
.read-card .rc-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-soft{
  display:inline-flex;align-items:center;align-self:flex-start;
  background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;line-height:1.6;
}
.read-card h3{font-size:17px;line-height:1.5}
.read-card p{font-size:14px;color:var(--muted);line-height:1.8}
.read-card .rc-foot{margin-top:auto;padding-top:6px}

/* ---------- 深色转化条 ---------- */
.cta-wrap{padding:0 0 88px}
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-dark);
  border-radius:var(--radius-lg);padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:24px 24px;opacity:.5;
}
.cta-band h2{position:relative;color:#fff;font-size:clamp(22px,2.2vw,28px);line-height:1.4}
.cta-band p{position:relative;color:#C9D6EA;font-size:15px;margin-top:10px;max-width:600px}
.cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap;flex:none}
@media (max-width:991.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .cta-actions{width:100%}
}
@media (max-width:575.98px){
  .cta-wrap{padding-bottom:56px}
  .cta-actions .btn-main,.cta-actions .btn-line-light{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;background:#101F38;color:#B9C6DA;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:26px 26px;opacity:.45;
}
.footer-grid{
  position:relative;z-index:1;display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding:72px 0 56px;
}
.footer-brand .brand{margin-bottom:0}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:#8496B4}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB0C8;margin-top:16px;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col ul li{font-size:14px;color:#9FB0C8;line-height:1.7}
.footer-col ul a{display:inline-block;font-size:14px;color:#B9C6DA;transition:color .18s ease,transform .18s ease}
.footer-col ul a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;
  gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;font-size:13px;color:#8B9DB8;
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:#8B9DB8}
.footer-links a:hover{color:#fff}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 40px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion:no-preference){
  .fade-up{animation:fadeUp .42s ease both}
  @keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --brand:#1F4E8C;
  --brand-deep:#163A6B;
  --brand-soft:#E7EFFA;
  --accent:#DE8A2F;
  --accent-deep:#C2761F;
  --bg-page:#F7F9FC;
  --bg-alt:#F2F6FC;
  --bg-card:#FFFFFF;
  --text:#16202E;
  --text-sub:#4A5A70;
  --text-weak:#8494A8;
  --line:#E1E8F2;
  --line-soft:#EDF2F9;
  --radius-btn:10px;
  --radius-card:14px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(22,42,74,.06);
  --shadow-md:0 12px 28px rgba(22,42,74,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --bs-primary:#1F4E8C;
  --bs-link-color:#1F4E8C;
  --bs-link-hover-color:#163A6B;
  --bs-body-font-family:var(--font-cn);
  --bs-border-radius:10px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--brand-deep);}
p{margin:0 0 1em;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text);line-height:1.35;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(222,138,47,.35);outline-offset:2px;border-radius:6px;}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 4px 16px rgba(22,42,74,.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
}
.brand:hover{color:var(--brand);}
.brand-mark{width:38px;height:38px;flex:0 0 38px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.3px;color:var(--brand);}
.brand-sub{font-size:11px;font-weight:500;color:var(--text-weak);letter-spacing:2px;}
.brand:hover .brand-name{color:var(--brand-deep);}

.nav-wrap{display:flex;align-items:center;gap:28px;}
.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--text-sub);
  line-height:1.4;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-6px;
  width:0;
  height:2px;
  background:var(--accent);
  transform:translateX(-50%);
  transition:width .16s ease;
  border-radius:2px;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{width:100%;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  border-color:var(--accent);
}
.btn-primary:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand-deep);}
.btn-light-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.6);
}
.btn-light-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.btn-text i{transition:transform .18s ease;}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px;}
.btn-text:hover i{transform:translateX(4px);}

.nav-cta{height:42px;padding:0 20px;font-size:14px;}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  padding:0;
  position:relative;
}
.nav-toggle span{
  position:absolute;
  left:11px;
  width:22px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.nav-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:8px 24px 20px;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:flex;
  align-items:center;
  height:52px;
  font-size:15px;
  color:var(--text-sub);
  border-bottom:1px solid var(--line-soft);
}
.nav-drawer a.is-active{color:var(--brand);font-weight:600;}
.nav-drawer .btn{width:100%;margin-top:16px;}

/* ---------- Breadcrumb ---------- */
.breadcrumb-bar{
  background:#fff;
  border-bottom:1px solid var(--line-soft);
}
.breadcrumb-inner{
  display:flex;
  align-items:center;
  gap:8px;
  padding:16px 0;
  font-size:13px;
  color:var(--text-weak);
  flex-wrap:wrap;
}
.breadcrumb-inner a{color:var(--text-weak);}
.breadcrumb-inner a:hover{color:var(--brand);}
.breadcrumb-inner .sep{color:#C6D2E2;}
.breadcrumb-inner .current{color:var(--text);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  background:
    linear-gradient(90deg,rgba(16,31,56,.86) 0%,rgba(22,58,107,.78) 55%,rgba(31,78,140,.55) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.28;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
  padding:64px 0 68px;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  font-size:13px;
  font-weight:500;
  color:#E7EFFA;
  margin-bottom:20px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.28;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero-lead{
  font-size:16.5px;
  line-height:1.9;
  color:rgba(255,255,255,.86);
  max-width:600px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{
  display:flex;
  gap:32px;
  margin-top:36px;
  flex-wrap:wrap;
}
.hero-stats .stat{
  padding-left:16px;
  border-left:1px solid rgba(255,255,255,.26);
}
.hero-stats .stat:first-child{padding-left:0;border-left:0;}
.hero-stats .num{
  font-size:30px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  color:#fff;
}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.7);margin-top:2px;}
.hero-visual{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:0 18px 40px rgba(8,20,40,.35);
  border:1px solid rgba(255,255,255,.16);
  background:var(--brand-soft);
}
.hero-visual img{width:100%;height:320px;object-fit:cover;}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section.alt{background:var(--bg-alt);}
.section.white{background:#fff;}
.section-head{max-width:680px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  letter-spacing:1px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:3px;
  height:14px;
  background:var(--accent);
  border-radius:2px;
}
.section-head h2{
  font-size:clamp(23px,2.6vw,31px);
  letter-spacing:-.3px;
  margin-bottom:14px;
}
.section-head p{
  color:var(--text-sub);
  font-size:15.5px;
  line-height:1.9;
  margin:0;
}

/* ---------- Intro block ---------- */
.intro-block{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:48px;
  align-items:start;
}
.intro-copy p{color:var(--text-sub);font-size:16px;line-height:1.95;}
.intro-copy p:last-child{margin-bottom:0;}
.intro-aside{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:26px;
}
.intro-aside h3{font-size:17px;margin-bottom:14px;}
.aside-list li{
  display:flex;
  gap:10px;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  color:var(--text-sub);
  line-height:1.7;
}
.aside-list li:last-child{border-bottom:0;padding-bottom:0;}
.aside-list i{color:var(--accent);font-size:16px;line-height:1.7;}

/* ---------- Anchor tabs ---------- */
.anchor-tabs{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:6px 0 14px;
  margin-bottom:36px;
  scrollbar-width:thin;
  border-bottom:1px solid var(--line);
}
.anchor-tabs::-webkit-scrollbar{height:4px;}
.anchor-tabs::-webkit-scrollbar-thumb{background:#CBD8EA;border-radius:4px;}
.anchor-tabs a{
  flex:0 0 auto;
  padding:8px 16px;
  font-size:14px;
  font-weight:500;
  color:var(--text-sub);
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  transition:all .18s ease;
}
.anchor-tabs a:hover{color:var(--brand);border-color:#BFCEE4;}
.anchor-tabs a.is-current{
  color:var(--brand);
  background:var(--brand-soft);
  border-color:#C9DBF2;
  font-weight:600;
  box-shadow:inset 0 -2px 0 var(--accent);
}

/* ---------- Compare table ---------- */
.table-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.table-card .table{
  width:100%;
  margin:0;
  border-collapse:collapse;
  font-size:15px;
}
.table-card thead th{
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:14px;
  font-weight:600;
  padding:16px 22px;
  text-align:left;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.table-card tbody td{
  padding:16px 22px;
  border-bottom:1px solid var(--line-soft);
  color:var(--text-sub);
  line-height:1.75;
  vertical-align:top;
}
.table-card tbody td:first-child{
  color:var(--text);
  font-weight:600;
  white-space:nowrap;
}
.table-card tbody tr{transition:background .16s ease;}
.table-card tbody tr:hover{background:#F5F9FF;}
.table-card tbody tr:last-child td{border-bottom:0;}
.table-card tbody td .good{color:var(--brand);font-weight:600;}

/* ---------- Capability cards ---------- */
.cap-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.cap-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:28px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.cap-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CFDEED;}
.cap-top{display:flex;align-items:center;gap:14px;}
.cap-icon{
  width:48px;height:48px;
  flex:0 0 48px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
}
.cap-card h3{font-size:19px;font-weight:600;}
.cap-card p{color:var(--text-sub);font-size:15px;line-height:1.85;margin:0;}
.cap-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12.5px;
  font-weight:500;
  line-height:1.5;
}
.tag.warm{background:rgba(222,138,47,.12);color:var(--accent-deep);}

/* ---------- Steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.step{
  padding:30px 26px;
  border-right:1px solid var(--line-soft);
}
.step:last-child{border-right:0;}
.step .no{
  font-size:15px;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:1px;
  margin-bottom:10px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-sub);line-height:1.8;margin:0;}

/* ---------- Report showcase ---------- */
.showcase{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.showcase-img{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  background:var(--brand-soft);
}
.showcase-img img{width:100%;height:340px;object-fit:cover;}
.showcase-copy h2{font-size:clamp(22px,2.5vw,29px);margin-bottom:16px;}
.showcase-copy p{color:var(--text-sub);font-size:15.5px;line-height:1.9;}
.check-list{margin:20px 0 26px;}
.check-list li{
  position:relative;
  padding-left:28px;
  font-size:15px;
  color:var(--text-sub);
  line-height:1.8;
  margin-bottom:12px;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:16px;
  height:9px;
  border-left:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
  border-radius:1px;
}

/* ---------- Related ---------- */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:24px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CFDEED;color:inherit;}
.related-card .rc-tag{font-size:12.5px;color:var(--accent-deep);font-weight:600;margin-bottom:10px;display:block;}
.related-card h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--text);}
.related-card p{font-size:14px;color:var(--text-sub);line-height:1.8;margin:0 0 14px;}
.related-card .rc-more{font-size:13.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:5px;}
.related-card:hover .rc-more i{transform:translateX(4px);}
.related-card .rc-more i{transition:transform .18s ease;}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:56px;
  align-items:start;
}
.faq-side h2{font-size:clamp(23px,2.6vw,30px);margin-bottom:14px;}
.faq-side p{color:var(--text-sub);font-size:15px;line-height:1.9;margin-bottom:22px;}
.faq-help{
  background:var(--brand-soft);
  border-radius:var(--radius-card);
  padding:22px;
  border:1px solid #D5E3F6;
}
.faq-help h3{font-size:16px;margin-bottom:8px;}
.faq-help p{font-size:14px;color:var(--text-sub);margin-bottom:14px;}
.faq-help .phone{font-size:19px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;}

.accordion-item{
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.accordion-item:first-child{border-top:1px solid var(--line);}
.accordion-button{
  background:transparent;
  box-shadow:none !important;
  padding:20px 44px 20px 0;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  line-height:1.6;
  position:relative;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;}
.accordion-button::after{
  display:none;
}
.accordion-button .faq-icon{
  position:absolute;
  right:6px;
  top:50%;
  transform:translateY(-50%);
  width:22px;
  height:22px;
  color:var(--brand);
  font-size:18px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.accordion-body{
  padding:0 40px 22px 0;
  font-size:15px;
  line-height:1.85;
  color:var(--text-sub);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--brand-deep);
  border-radius:var(--radius-lg);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  overflow:hidden;
  color:#fff;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.35;
  pointer-events:none;
}
.cta-band .cta-copy{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,27px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.8);font-size:15px;margin:0;line-height:1.8;}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{
  background:#101F38;
  color:#B9C6DA;
  margin-top:0;
  padding:68px 0 0;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) .8px,transparent .8px);
  background-size:30px 30px;
  opacity:.05;
  pointer-events:none;
}
.footer-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand .brand:hover .brand-name{color:#E7EFFA;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:#B9C6DA;
  margin:0;
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.5px;
}
.footer-col ul li{
  font-size:14px;
  line-height:1.9;
  margin-bottom:10px;
  color:#B9C6DA;
}
.footer-col ul li a{
  color:#B9C6DA;
  display:inline-block;
  transition:color .16s ease,transform .16s ease;
}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:#8494A8;
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a{color:#8494A8;}
.footer-links a:hover{color:#fff;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .22s ease,transform .22s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{animation:none !important;transition:none !important;}
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container-xl{padding-left:24px;padding-right:24px;}
  .nav-links{gap:24px;}
}
@media (max-width:991px){
  .nav-links,.nav-wrap .nav-cta{display:none;}
  .nav-toggle{display:block;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:52px 0 56px;}
  .hero-visual img{height:280px;}
  .section{padding:68px 0;}
  .intro-block{grid-template-columns:1fr;gap:32px;}
  .cap-grid{grid-template-columns:1fr;gap:20px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(2){border-right:0;}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line-soft);}
  .showcase{grid-template-columns:1fr;gap:32px;}
  .showcase-img img{height:280px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .faq-layout{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container-xl{padding-left:16px;padding-right:16px;}
  .header-inner{height:64px;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;}
  .brand-name{font-size:16.5px;}
  .section{padding:54px 0;}
  .page-hero h1{font-size:clamp(25px,6vw,32px);}
  .hero-lead{font-size:15.5px;}
  .hero-stats{gap:22px;margin-top:28px;}
  .hero-stats .num{font-size:24px;}
  .hero-visual img{height:220px;}
  .btn{height:46px;padding:0 20px;font-size:15px;}
  .hero-actions .btn{width:100%;}
  .table-card{overflow-x:auto;}
  .table-card .table{min-width:640px;}
  .table-card thead th,.table-card tbody td{padding:13px 16px;}
  .cap-card{padding:22px;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:0;border-bottom:1px solid var(--line-soft);padding:24px 22px;}
  .step:last-child{border-bottom:0;}
  .related-grid{grid-template-columns:1fr;}
  .showcase-img img{height:220px;}
  .cta-band{padding:30px 22px;border-radius:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .site-footer{padding-top:52px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .accordion-button{font-size:15.5px;padding:18px 40px 18px 0;}
  .accordion-body{padding:0 30px 20px 0;}
}
@media (max-width:480px){
  .hero-stats{flex-direction:column;gap:16px;}
  .hero-stats .stat{border-left:0;padding-left:0;}
  .intro-aside{padding:20px;}
}