/* roulang page: index */
:root{
  --brand:#1747C8;
  --brand-dark:#12389F;
  --brand-soft:#E9EFFC;
  --teal:#0E9F8E;
  --teal-soft:#E4F5F2;
  --cta:#FF6B1A;
  --cta-dark:#E85A0C;
  --bg:#F5F7FC;
  --surface:#FFFFFF;
  --line:#E3E9F4;
  --ink:#14213A;
  --text:#2A3A55;
  --muted:#62718C;
  --weak:#93A0B5;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 8px 24px rgba(20,60,160,.07);
  --shadow-2:0 16px 36px rgba(20,60,160,.13);
  --ease:.25s ease;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{list-style:none;margin:0;padding:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);}
a:hover{color:var(--brand-dark);}
img{display:block;max-width:100%;height:auto;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1288px;margin:0 auto;padding:0 24px;}
@media (max-width:575px){.wrap{padding:0 20px;}}

/* 按钮体系 */
.btn-main,.btn-blue,.btn-ghost,.btn-white,.btn-outline-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-main{background:var(--cta);color:#fff;}
.btn-main:hover{background:var(--cta-dark);color:#fff;transform:translateY(-1px);}
.btn-main:active{transform:translateY(0);}
.btn-blue{background:var(--brand);color:#fff;}
.btn-blue:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-blue:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C6D5F5;}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px);}
.btn-white{background:#fff;color:var(--brand);}
.btn-white:hover{background:#F2F6FF;color:var(--brand-dark);transform:translateY(-1px);}
.btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-outline-white:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* 顶部提示条 */
.topbar{background:var(--brand-soft);height:36px;line-height:36px;overflow:hidden;font-size:13px;color:#2B4FAE;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.topbar-inner span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-links{display:flex;gap:20px;flex:0 0 auto;}
.topbar-links a{font-size:13px;color:#2B4FAE;}
.topbar-links a:hover{color:var(--brand-dark);}
@media (max-width:991px){.topbar{display:none;}}

/* 导航 */
.site-nav{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--ease);}
.site-nav.is-stuck{box-shadow:0 8px 22px rgba(20,60,160,.09);}
.navbar.site-nav{padding:0;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:78px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{position:relative;width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:linear-gradient(140deg,#1B50DC,#12389F);box-shadow:0 8px 16px rgba(23,71,200,.26);}
.brand-mark::after{content:"";position:absolute;left:9px;right:9px;top:15px;height:11px;border-top:2px solid rgba(255,255,255,.9);border-radius:50%;}
.brand-mark::before{content:"";position:absolute;left:9px;right:9px;bottom:11px;height:9px;border-bottom:2px solid rgba(255,255,255,.45);border-radius:50%;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--weak);}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-list .nav-link{position:relative;display:block;padding:9px 14px;font-size:15px;font-weight:600;color:var(--ink);border-radius:8px;background:transparent;}
.nav-list .nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-list .nav-link.active{color:var(--brand);}
.nav-list .nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;border-radius:2px;background:var(--brand);}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center;padding:0;}
.nav-toggle:focus{box-shadow:none;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;}

/* Mega 面板 */
.mega-wrap{position:relative;}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;border:none;background:transparent;}
.mega-trigger i{font-size:12px;color:var(--weak);transition:transform var(--ease);}
.mega-wrap:hover .mega-trigger i,.mega-wrap:focus-within .mega-trigger i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 10px);right:0;width:760px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);padding:22px;
  display:grid;grid-template-columns:1fr 1.25fr .95fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  z-index:1040;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;font-weight:700;color:var(--weak);letter-spacing:.4px;margin-bottom:10px;}
.mega-links a{display:block;padding:7px 0;font-size:14px;font-weight:600;color:var(--text);}
.mega-links a:hover{color:var(--brand);transform:translateX(2px);}
.mega-post{display:flex;gap:12px;align-items:center;padding:7px 0;}
.mega-post img{width:64px;height:40px;object-fit:cover;border-radius:8px;flex:0 0 64px;}
.mega-post span{font-size:14px;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mega-post:hover span{color:var(--brand);}
.mega-card{background:var(--brand-soft);border-radius:14px;padding:20px;display:flex;flex-direction:column;justify-content:space-between;gap:14px;}
.mega-card p{font-size:14px;color:var(--brand-dark);line-height:1.65;}

/* Hero */
.hero{position:relative;overflow:hidden;padding:64px 0 76px;background:linear-gradient(180deg,#FFFFFF 0%,#EDF2FD 100%);}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(23,71,200,.09) 1px,transparent 1px);background-size:22px 22px;opacity:.7;pointer-events:none;}
.hero .wrap{position:relative;z-index:1;}
.hero-copy{max-width:660px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--teal-soft);color:#0B7D70;font-size:13px;font-weight:600;}
.hero h1{font-size:clamp(28px,4.6vw,46px);line-height:1.22;margin-top:20px;letter-spacing:-.3px;}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.8;color:var(--muted);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:32px;padding-top:24px;border-top:1px dashed #D5DEF2;}
.hero-facts li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--muted);}
.hero-facts i{color:var(--teal);font-size:13px;}
.hero-media{position:relative;margin:0;}
.hero-media > img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--shadow-1);}
.mini-card{position:absolute;right:14px;bottom:-22px;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 14px;box-shadow:var(--shadow-2);max-width:280px;}
.mini-card img{width:56px;height:38px;object-fit:cover;border-radius:8px;flex:0 0 56px;}
.mini-card span{font-size:13px;line-height:1.5;color:var(--text);}
.hero-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:64px;}
.hero-pills a{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;background:#fff;border:1px solid var(--line);border-radius:999px;font-size:14px;font-weight:600;color:var(--ink);box-shadow:0 4px 12px rgba(20,60,160,.05);}
.hero-pills a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.hero-pills a i{font-size:12px;color:var(--teal);}

/* 板块通用 */
.section{padding:96px 0;}
.section-alt{background:#fff;}
.section-head{max-width:740px;margin-bottom:44px;}
.section-tag{display:inline-block;font-size:13px;font-weight:700;color:var(--teal);letter-spacing:1px;margin-bottom:12px;}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;}
.section-head p{margin-top:14px;font-size:16px;line-height:1.8;color:var(--muted);}
@media (max-width:991px){.section{padding:66px 0;}.section-head{margin-bottom:34px;}}
@media (max-width:767px){.section{padding:54px 0;}}

/* 卡片 */
.card-surface{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);}
.card-surface:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:#D6E0F5;}
.card-media{display:block;overflow:hidden;aspect-ratio:16/9;background:var(--brand-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card-surface:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.badge-soft{display:inline-block;align-self:flex-start;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;background:var(--teal-soft);color:#0B7D70;}
.badge-soft.is-blue{background:var(--brand-soft);color:var(--brand-dark);}
.card-title{font-size:19px;font-weight:700;line-height:1.45;margin-top:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-title a{color:var(--ink);}
.card-surface:hover .card-title a{color:var(--brand);}
.card-text{margin-top:10px;font-size:15px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--weak);}
.link-more{font-size:14px;font-weight:600;color:var(--brand);}
.link-more::after{content:"→";display:inline-block;margin-left:6px;transition:transform var(--ease);}
.link-more:hover::after{transform:translateX(3px);}

/* 三步上手 */
.step-item{position:relative;padding-right:26px;}
.step-item::after{content:"";position:absolute;top:26px;right:0;width:26px;border-top:1px dashed #CFDAF1;}
.step-item:last-child::after{display:none;}
.step-num{font-size:42px;font-weight:700;line-height:1;color:rgba(14,159,142,.32);letter-spacing:1px;}
.step-item h3{font-size:20px;margin-top:16px;}
.step-item p{margin-top:12px;font-size:15px;line-height:1.75;color:var(--muted);}
.step-item .link-more{display:inline-block;margin-top:14px;}
@media (max-width:991px){.step-item{padding-right:0;padding-bottom:26px;border-bottom:1px dashed #CFDAF1;}.step-item::after{display:none;}}

/* 内容范围 */
.dim-row{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;}
.dim-item{padding:30px 26px;border-right:1px solid var(--line);}
.dim-item:last-child{border-right:none;}
.dim-item span{display:inline-block;font-size:12px;font-weight:700;color:var(--teal);letter-spacing:1px;}
.dim-item h3{font-size:18px;margin-top:12px;}
.dim-item p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--muted);}
@media (max-width:991px){
  .dim-row{grid-template-columns:repeat(2,1fr);}
  .dim-item:nth-child(2){border-right:none;}
  .dim-item:nth-child(1),.dim-item:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:575px){
  .dim-row{grid-template-columns:1fr;}
  .dim-item{border-right:none;border-bottom:1px solid var(--line);}
  .dim-item:last-child{border-bottom:none;}
}

/* 案例错落 */
.case-lead .card-media{aspect-ratio:16/9;}
.case-side{display:flex;flex-direction:column;gap:24px;height:100%;}
.case-side .card-surface{flex:1;}
.case-side .card-media{aspect-ratio:16/7;}

/* 空状态 */
.empty-state{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#fff;border:1px dashed #CFDAF1;border-radius:var(--r-card);color:var(--muted);text-align:center;padding:32px 20px;}
.empty-state i{font-size:28px;color:var(--weak);}
.empty-state a{font-weight:600;}

/* FAQ */
.faq-wrap{max-width:920px;}
.accordion-item{background:#fff;border:1px solid var(--line) !important;border-radius:14px !important;margin-bottom:12px;overflow:hidden;box-shadow:0 4px 14px rgba(20,60,160,.04);}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{position:relative;width:100%;padding:20px 52px 20px 24px;font-size:16px;font-weight:600;color:var(--ink);background:#fff;box-shadow:none !important;border-radius:14px !important;}
.accordion-button::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:transparent;transition:background-color var(--ease);}
.accordion-button:not(.collapsed){color:var(--brand);background:#fff;}
.accordion-button:not(.collapsed)::before{background:var(--brand);}
.accordion-button:not(.collapsed)::after{background-image:none;content:"\f068";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--brand);transform:none;}
.accordion-button::after{background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--weak);transform:none;position:absolute;right:24px;top:50%;margin-top:-9px;width:auto;height:auto;font-size:13px;}
.accordion-button:hover{color:var(--brand);}
.accordion-button:focus{box-shadow:none !important;}
.accordion-body{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;}

/* CTA */
.cta-block{position:relative;overflow:hidden;background:var(--brand);border-radius:20px;padding:56px;color:#fff;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;}
.cta-block::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);background-size:20px 20px;opacity:.55;pointer-events:none;}
.cta-copy{position:relative;z-index:1;max-width:620px;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,30px);}
.cta-copy p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.88);}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;}
@media (max-width:767px){.cta-block{padding:36px 24px;}.cta-actions{width:100%;}.cta-actions .btn-main,.cta-actions .btn-outline-white{flex:1 1 auto;}}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--line);padding-top:72px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:18px;color:var(--ink);}
.footer-col p{font-size:14px;line-height:1.8;color:var(--muted);max-width:360px;}
.footer-col li a{display:inline-block;font-size:14px;line-height:1.9;color:var(--muted);}
.footer-col li a:hover{color:var(--brand);transform:translateX(2px);}
.footer-note{font-size:13px;line-height:1.85;color:var(--weak);}
.footer-bottom{margin-top:56px;border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak);}
.to-top{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;}
.to-top:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;}.site-footer{padding-top:52px;}}

/* 移动端导航 */
@media (max-width:991px){
  .nav-inner{min-height:66px;}
  .navbar-collapse{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-top:14px;padding:14px;box-shadow:var(--shadow-1);}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-list .nav-link{padding:12px 14px;border-radius:var(--r-btn);}
  .nav-list .nav-link.active{background:var(--brand-soft);}
  .nav-list .nav-link.active::after{display:none;}
  .nav-cta{margin-top:14px;width:100%;}
  .nav-cta .btn-main{width:100%;}
  .mega-wrap{display:none;}
}
@media (max-width:767px){
  .hero{padding:44px 0 60px;}
  .hero-pills{margin-top:48px;}
  .mini-card{position:static;margin-top:16px;max-width:none;}
  .hero-media > img{aspect-ratio:16/10;}
}

/* roulang page: article */
:root{
  --brand:#1747C8;
  --brand-hover:#12389F;
  --brand-soft:#E9EFFC;
  --teal:#0E9F8E;
  --teal-deep:#0B7A6C;
  --teal-soft:#E4F5F2;
  --cta:#FF6B1A;
  --cta-hover:#E85A0C;
  --bg:#F5F7FC;
  --card:#FFFFFF;
  --line:#E3E9F4;
  --ink:#14213A;
  --body:#2A3A55;
  --muted:#62718C;
  --weak:#93A0B5;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(20,60,160,.07);
  --sh-hover:0 16px 36px rgba(20,60,160,.13);
  --wrap:1240px;
  --bs-primary:#1747C8;
  --bs-body-color:#2A3A55;
  --bs-body-bg:#F5F7FC;
  --bs-border-color:#E3E9F4;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{color:var(--ink);margin:0;font-weight:700;line-height:1.32;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease,background-color .25s ease;}
a:hover{color:var(--brand-hover);}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.section{padding:86px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:30px;line-height:1.3;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.8;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--teal-deep);background:var(--teal-soft);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;}

/* 按钮 */
.btn-main,.btn-blue,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn-main{background:var(--cta);color:#fff;}
.btn-main:hover{background:var(--cta-hover);color:#fff;transform:translateY(-1px);}
.btn-blue{background:var(--brand);color:#fff;}
.btn-blue:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C9D6F2;}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-hover);border-color:var(--brand);transform:translateY(-1px);}
.btn-main:active,.btn-blue:active,.btn-ghost:active{transform:translateY(0);}

/* 顶部提示条 */
.topbar{background:#fff;border-bottom:1px solid var(--line);height:38px;display:flex;align-items:center;font-size:13px;color:var(--muted);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;}
.topbar-links{display:flex;align-items:center;gap:18px;}
.topbar-links a{color:var(--muted);font-size:13px;}
.topbar-links a:hover{color:var(--brand);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;}
.site-nav{padding:0;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled .site-nav{box-shadow:0 6px 20px rgba(20,60,160,.08);}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:74px;flex-wrap:nowrap;}
.brand{display:inline-flex;align-items:center;gap:12px;flex:none;}
.brand-mark{position:relative;width:36px;height:36px;border-radius:10px;background:var(--brand);flex:none;display:inline-block;}
.brand-mark::before{content:"";position:absolute;inset:9px 7px 8px 7px;border:2px solid rgba(255,255,255,.94);border-radius:50%;border-left-color:transparent;border-bottom-color:transparent;transform:rotate(-28deg);}
.brand-mark::after{content:"";position:absolute;right:7px;top:7px;width:6px;height:6px;border-radius:50%;background:var(--cta);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--weak);margin-top:2px;}
.nav-list{align-items:center;gap:4px;flex:1 1 auto;}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--ink);padding:12px 12px !important;border-radius:8px;}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);}
.mega-wrap{position:relative;}
.mega-trigger{background:none;border:0;display:inline-flex;align-items:center;gap:6px;cursor:pointer;}
.mega-trigger i{font-size:11px;color:var(--weak);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:720px;
  display:grid;grid-template-columns:1.15fr 1fr;gap:28px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-hover);padding:26px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;z-index:40;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;font-weight:600;color:var(--weak);margin-bottom:12px;letter-spacing:.4px;}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;}
.mega-links a{font-size:14.5px;color:var(--body);padding:6px 0;border-bottom:1px dashed transparent;}
.mega-links a:hover{color:var(--brand);border-bottom-color:var(--line);transform:translateX(2px);}
.mega-card{background:var(--brand-soft);border-radius:14px;padding:22px;}
.mega-card strong{display:block;font-size:16px;color:var(--ink);margin-bottom:8px;}
.mega-card p{font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:14px;}
.mega-card .btn-main{height:42px;font-size:14.5px;padding:0 18px;}
.nav-cta{height:44px;padding:0 20px;flex:none;}
.nav-toggle{border:1px solid var(--line);border-radius:10px;padding:8px 10px;background:#fff;display:inline-flex;flex-direction:column;gap:4px;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;}

/* 面包屑 */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--weak);padding:16px 0;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#C3CDDD;}
.crumbs .current{color:var(--weak);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 文章头部 */
.article-head{background:#fff;padding:28px 0 0;position:relative;overflow:hidden;}
.article-head::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(23,71,200,.09) 1px,transparent 1px);background-size:22px 22px;opacity:.5;pointer-events:none;}
.article-head-inner{position:relative;max-width:900px;}
.badge-cat{display:inline-flex;align-items:center;gap:6px;background:var(--teal-soft);color:var(--teal-deep);font-size:12.5px;font-weight:600;padding:5px 13px;border-radius:var(--r-pill);}
.article-head h1{font-size:clamp(26px,3.6vw,42px);line-height:1.26;margin:16px 0 14px;letter-spacing:-.2px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:13px;color:var(--muted);}
.meta-row i{color:var(--teal);margin-right:5px;}
.article-banner{margin:28px 0 0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);}
.article-banner img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* 正文 + 侧栏 */
.article-main{padding:46px 0 76px;}
.article-content{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:34px 38px;overflow-wrap:break-word;
}
.article-content > *:first-child{margin-top:0;}
.article-content h2{font-size:24px;line-height:1.4;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--brand);}
.article-content h3{font-size:20px;font-weight:600;margin:28px 0 12px;}
.article-content h4{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-content p{margin:0 0 20px;line-height:1.9;color:var(--body);}
.article-content a{color:var(--brand);font-weight:500;border-bottom:1px solid #C9D6F2;}
.article-content a:hover{border-bottom-color:var(--brand);}
.article-content strong{color:var(--ink);}
.article-content ul{margin:0 0 20px;}
.article-content ul li{position:relative;padding-left:22px;margin-bottom:10px;line-height:1.85;}
.article-content ul li::before{content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--teal);}
.article-content ol{margin:0 0 20px;padding-left:24px;list-style:decimal;}
.article-content ol li{margin-bottom:10px;line-height:1.85;}
.article-content blockquote{
  margin:0 0 22px;background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;padding:18px 22px;color:var(--body);font-size:15.5px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--r-img);margin:24px auto;}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--weak);text-align:center;margin-top:10px;}
.article-content table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:0 0 22px;}
.article-content th{background:#F2F6FE;color:var(--ink);font-weight:600;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;}
.article-content td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--body);}
.article-content hr{border:0;border-top:1px dashed var(--line);margin:28px 0;}
.article-content code{background:#F2F6FE;color:var(--brand-hover);padding:2px 6px;border-radius:6px;font-size:14px;}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh);
}
.empty-state i{font-size:34px;color:var(--weak);display:block;margin-bottom:14px;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* 文末标签 */
.article-foot{
  margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:22px 26px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:16px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row span.label{font-size:13px;color:var(--weak);}
.tag{display:inline-flex;align-items:center;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-pill);padding:5px 13px;}
.tag:hover{background:#DCE6FB;color:var(--brand-hover);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);}
.text-link i{transition:transform .25s ease;font-size:12px;}
.text-link:hover i{transform:translateX(3px);}

/* 侧栏 */
.side-sticky{position:sticky;top:98px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);padding:24px;margin-bottom:22px;}
.side-card h3{font-size:17px;margin-bottom:8px;}
.side-card .side-desc{font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:14px;}
.side-list li a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;font-size:14.5px;color:var(--body);border-bottom:1px dashed var(--line);}
.side-list li:last-child a{border-bottom:0;}
.side-list li a i{font-size:11px;color:var(--weak);transition:transform .25s ease;}
.side-list li a:hover{color:var(--brand);}
.side-list li a:hover i{transform:translateX(3px);color:var(--brand);}
.side-cta{background:var(--brand-soft);border:1px solid #D5E1FA;}
.side-cta h3{color:var(--ink);}
.side-cta .btn-blue{width:100%;margin-top:6px;}

/* 相关推荐 */
.related{background:#fff;border-top:1px solid var(--line);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D5E1FA;}
.card-thumb{position:relative;overflow:hidden;}
.card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card-body .badge-cat{align-self:flex-start;margin-bottom:12px;}
.card-body h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.card-body p{font-size:15px;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--weak);}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand);border-radius:20px;
  padding:56px 48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:24px 24px;opacity:.55;pointer-events:none;}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border:2px solid rgba(255,255,255,.18);border-radius:50%;}
.cta-text{position:relative;max-width:560px;color:#fff;}
.cta-text h2{color:#fff;font-size:29px;margin-bottom:10px;}
.cta-text p{color:rgba(255,255,255,.86);font-size:15.5px;line-height:1.8;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;}
.btn-white-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.65);}
.btn-white-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-1px);}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:0;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--ink);}
.footer-col ul li{margin-bottom:4px;}
.footer-col ul li a{font-size:14px;color:var(--muted);line-height:1.9;display:inline-block;}
.footer-col ul li a:hover{color:var(--brand);transform:translateX(2px);}
.footer-note{font-size:13.5px;color:var(--weak);line-height:1.9;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:14px;font-size:13.5px;color:var(--weak);
}
.to-top{font-size:13.5px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;}
.to-top:hover{color:var(--brand);}

/* 响应式 */
@media (max-width:1199.98px){
  .mega-panel{width:640px;}
}
@media (max-width:991.98px){
  .topbar{display:none;}
  .section{padding:64px 0;}
  .nav-inner{min-height:66px;gap:12px;}
  .brand-text em{display:none;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:10px 0 4px;border-top:1px solid var(--line);margin-top:8px;}
  .nav-link{padding:14px 6px !important;border-bottom:1px dashed var(--line);border-radius:0;}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--brand);box-shadow:inset 3px 0 0 var(--brand);padding-left:14px !important;}
  .mega-wrap{width:100%;}
  .mega-trigger{width:100%;justify-content:space-between;border-bottom:1px dashed var(--line);}
  .mega-panel{display:none;}
  .nav-cta{width:100%;margin:14px 0 6px;}
  .article-content{padding:26px 22px;}
  .side-sticky{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:42px 28px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px;}
  .section{padding:52px 0;}
  .section-head h2{font-size:24px;}
  .crumbs .current{white-space:normal;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-text h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-white-ghost{flex:1 1 auto;}
  .article-content h2{font-size:21px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --primary:#1747C8;
  --primary-h:#12389F;
  --primary-soft:#E9EFFC;
  --teal:#0E9F8E;
  --teal-soft:#E4F5F2;
  --cta:#FF6B1A;
  --cta-h:#E85A0C;
  --bg:#F5F7FC;
  --card:#FFFFFF;
  --line:#E3E9F4;
  --ink:#14213A;
  --body:#2A3A55;
  --muted:#62718C;
  --weak:#93A0B5;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh:0 8px 24px rgba(20,60,160,.07);
  --sh-lg:0 16px 36px rgba(20,60,160,.13);
  --trans:.25s ease;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color var(--trans);}
a:hover{color:var(--primary-h);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
h1{font-size:clamp(28px,4.6vw,46px);line-height:1.22;}
h2{font-size:clamp(24px,3vw,32px);}
h3{font-size:20px;line-height:1.4;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部提示条 ---------- */
.topbar{background:var(--primary-soft);border-bottom:1px solid var(--line);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:38px;font-size:13px;color:var(--muted);}
.topbar-links{display:flex;gap:18px;}
.topbar-links a{color:var(--muted);font-weight:600;}
.topbar-links a:hover{color:var(--primary);}

/* ---------- 导航 ---------- */
.site-nav{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:0;
  transition:box-shadow var(--trans);
}
.site-nav.is-scrolled{box-shadow:0 6px 20px rgba(20,60,160,.09);}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  position:relative;
  width:38px;height:38px;flex:0 0 38px;
  border-radius:11px;
  background:linear-gradient(140deg,#1747C8,#2F66E0);
  box-shadow:0 4px 12px rgba(23,71,200,.28);
}
.brand-mark::before{
  content:"";position:absolute;inset:9px 8px;
  border:2.5px solid rgba(255,255,255,.92);
  border-radius:14px 14px 12px 12px;
  border-bottom-color:transparent;
  border-left-color:rgba(255,255,255,.5);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;
  width:13px;height:13px;margin:-6.5px 0 0 -6.5px;
  border:2px solid rgba(255,255,255,.8);
  border-radius:50%;
  border-top-color:transparent;border-right-color:transparent;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);}

.nav-inner .navbar-collapse{display:flex;align-items:center;gap:20px;flex:1 1 auto;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-list .nav-item{position:relative;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;
  font-size:15px;font-weight:600;
  color:var(--body);
  background:none;border:0;cursor:pointer;
  border-radius:10px;
  transition:color var(--trans),background-color var(--trans);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--trans);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{transform:scaleX(1);}
.nav-link i{font-size:11px;color:var(--weak);}

.nav-actions{display:flex;align-items:center;gap:12px;}

/* Mega 面板 */
.mega-wrap{position:relative;}
.mega-panel{
  position:absolute;top:calc(100% + 14px);left:50%;
  transform:translateX(-50%) translateY(8px);
  width:860px;max-width:92vw;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--sh-lg);
  padding:26px;
  display:grid;
  grid-template-columns:1fr 1.25fr .95fr;
  gap:26px;
  opacity:0;visibility:hidden;
  transition:opacity var(--trans),transform var(--trans),visibility var(--trans);
  z-index:1040;
}
.mega-wrap:hover .mega-panel,
.mega-panel.open{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.mega-title{font-size:13px;font-weight:700;color:var(--weak);letter-spacing:.4px;margin-bottom:12px;}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;}
.mega-links a{
  font-size:14.5px;font-weight:600;color:var(--body);
  padding:6px 8px;border-radius:8px;
  transition:background-color var(--trans),color var(--trans);
}
.mega-links a:hover{background:var(--primary-soft);color:var(--primary);}
.mega-post{
  display:flex;align-items:center;gap:12px;
  padding:8px;border-radius:12px;
  transition:background-color var(--trans);
}
.mega-post:hover{background:#F7F9FE;}
.mega-post img{width:76px;height:44px;object-fit:cover;border-radius:8px;flex:0 0 76px;}
.mega-post span{font-size:14px;font-weight:600;color:var(--body);line-height:1.5;}
.mega-post:hover span{color:var(--primary);}
.mega-cta-col{background:var(--primary-soft);border-radius:14px;padding:20px;}
.mega-cta-col p{font-size:14px;color:var(--muted);margin-bottom:16px;line-height:1.7;}

.nav-toggle{
  width:46px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:#fff;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--trans),opacity var(--trans);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 按钮与文字链 ---------- */
.btn-main,.btn-blue,.btn-line,.btn-white-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;
  transition:background-color var(--trans),color var(--trans),border-color var(--trans),transform var(--trans),box-shadow var(--trans);
}
.btn-main{background:var(--cta);color:#fff;}
.btn-main:hover{background:var(--cta-h);color:#fff;transform:translateY(-1px);}
.btn-main:active{transform:translateY(0);}
.btn-blue{background:var(--primary);color:#fff;}
.btn-blue:hover{background:var(--primary-h);color:#fff;transform:translateY(-1px);}
.btn-blue:active{transform:translateY(0);}
.btn-line{background:#fff;color:var(--primary);border-color:#C9D8F6;}
.btn-line:hover{background:var(--primary-soft);color:var(--primary-h);border-color:var(--primary);transform:translateY(-1px);}
.btn-white-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-white-line:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-sm{height:42px;padding:0 18px;font-size:15px;}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;}
.link-arrow i{font-size:12px;transition:transform var(--trans);}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:var(--primary-soft);color:var(--primary);
  border:1px solid #D6E1F8;
}
.badge-teal{background:var(--teal-soft);color:#0A7C6E;border-color:#C7EAE4;}

/* ---------- 页头带 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--primary-soft);border-bottom:1px solid var(--line);}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.14;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(23,71,200,.16) 1px,transparent 1px);
  background-size:20px 20px;
  opacity:.45;pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;padding:52px 0 60px;}
.crumb{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--weak);}
.crumb a{color:var(--muted);font-weight:600;}
.crumb a:hover{color:var(--primary);}
.crumb [aria-current="page"]{color:var(--weak);}
.page-hero h1{margin-top:16px;max-width:16em;}
.hero-lead{margin-top:20px;max-width:760px;font-size:17px;line-height:1.85;color:var(--body);}
.hero-note{margin-top:14px;max-width:760px;font-size:14px;color:var(--muted);}
.hero-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  color:var(--body);font-size:15px;font-weight:600;
  box-shadow:var(--sh);
  transition:color var(--trans),border-color var(--trans),transform var(--trans),box-shadow var(--trans);
}
.pill:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-lg);}
.pill.is-current{background:var(--primary);color:#fff;border-color:var(--primary);}
.pill.is-current:hover{color:#fff;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:#fff;}
.section-sm{padding:72px 0;}
.section-head{max-width:780px;margin-bottom:40px;}
.section-head h2{margin-bottom:0;}
.section-head p{margin-top:14px;font-size:16px;color:var(--muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--teal);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--teal);}

/* ---------- 栏目速览：横向信息行 ---------- */
.fact-list{border-top:1px solid var(--line);}
.fact-row{
  display:grid;grid-template-columns:70px 230px 1fr;gap:22px;align-items:center;
  padding:24px 10px;border-bottom:1px solid var(--line);
  transition:background-color var(--trans),padding-left var(--trans);
}
.fact-row:hover{background:#fff;padding-left:22px;}
.fact-num{font-size:20px;font-weight:700;color:var(--teal);letter-spacing:.5px;}
.fact-row h3{font-size:17px;}
.fact-row p{font-size:15px;color:var(--muted);}

/* ---------- 条目卡片网格 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh);
  transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#D6E1F8;}
.news-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:var(--primary-soft);}
.news-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.news-card:hover figure img{transform:scale(1.05);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-body h3{font-size:18px;line-height:1.5;}
.news-body h3 a{color:var(--ink);}
.news-body h3 a:hover{color:var(--primary);}
.news-body .desc{font-size:15px;line-height:1.72;color:var(--muted);}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--weak);
}
.more-row{display:flex;justify-content:center;margin-top:40px;}

/* ---------- 三步查阅 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.step{position:relative;padding-top:66px;}
.step::after{
  content:"";position:absolute;top:26px;right:-18px;width:36px;
  border-top:1px dashed #C9D8F6;
}
.step:last-child::after{display:none;}
.step-num{
  position:absolute;top:0;left:0;
  font-size:40px;font-weight:700;line-height:1;
  color:rgba(14,159,142,.3);
}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{font-size:15px;color:var(--muted);margin-bottom:14px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  background:#fff;
  border:1px solid var(--line)!important;
  border-radius:14px!important;
  overflow:hidden;
  margin-bottom:12px;
  box-shadow:var(--sh);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  position:relative;
  background:#fff!important;
  color:var(--ink)!important;
  font-size:16px;font-weight:600;
  padding:20px 24px 20px 26px;
  box-shadow:none!important;
  border-radius:14px!important;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:transparent;transition:background-color var(--trans);
}
.accordion-button:not(.collapsed)::before{background:var(--primary);}
.accordion-button:not(.collapsed){color:var(--primary)!important;}
.accordion-button:focus{box-shadow:none!important;outline:2px solid var(--primary);outline-offset:-2px;}
.accordion-button::after{
  background-image:none!important;
  content:"\f078";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--weak);
  width:auto;height:auto;
  display:flex;align-items:center;justify-content:center;
  transform:none;transition:transform var(--trans),color var(--trans);
}
.accordion-button:not(.collapsed)::after{color:var(--primary);transform:rotate(180deg);}
.accordion-body{
  padding:2px 26px 24px;
  font-size:15px;line-height:1.8;color:var(--muted);
}

/* ---------- 相关分类 / CTA ---------- */
.related-box{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.related-text h2{font-size:22px;}
.related-text p{margin-top:10px;font-size:15px;color:var(--muted);max-width:520px;}

.cta-block{
  position:relative;overflow:hidden;
  background:var(--primary);
  border-radius:20px;
  padding:56px 48px;
  color:#fff;
}
.cta-block::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:18px 18px;opacity:.55;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;}
.cta-block h2{color:#fff;font-size:clamp(22px,2.6vw,30px);}
.cta-block p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.88);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:6px;}
.footer-col ul a{
  display:inline-block;font-size:14px;color:var(--muted);
  transition:color var(--trans),transform var(--trans);
}
.footer-col ul a:hover{color:var(--primary);transform:translateX(2px);}
.footer-col p{font-size:14px;line-height:1.85;color:var(--muted);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  font-size:13px;color:var(--weak);
}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);font-weight:600;}
.to-top:hover{color:var(--primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .mega-panel{width:760px;grid-template-columns:1fr 1.1fr;}
  .mega-cta-col{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .wrap{padding:0 20px;}
  .topbar{display:none;}
  .nav-inner{flex-wrap:wrap;min-height:66px;padding-top:10px;padding-bottom:10px;gap:14px;}
  .nav-inner .navbar-collapse{
    flex-basis:100%;
    width:100%;
    display:block;
    background:#fff;
    border-top:1px solid var(--line);
    margin-top:12px;
    padding:12px 0 8px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-link{width:100%;justify-content:space-between;padding:14px 12px;font-size:15.5px;border-radius:10px;}
  .nav-link::after{display:none;}
  .nav-link.active{background:var(--primary-soft);border-left:3px solid var(--primary);color:var(--primary);}
  .mega-wrap{width:100%;}
  .mega-panel{
    position:static;transform:none;width:100%;max-width:none;
    display:none;box-shadow:none;border:1px solid var(--line);
    border-radius:14px;margin:8px 0 4px;padding:18px;
    grid-template-columns:1fr;gap:18px;
  }
  .mega-panel.open{display:grid;transform:none;}
  .mega-wrap:hover .mega-panel{transform:none;}
  .mega-links{grid-template-columns:1fr 1fr;}
  .nav-actions{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);}
  .nav-actions .btn-main{width:100%;}
  .page-hero-inner{padding:38px 0 46px;}
  .section,.section-sm{padding:64px 0;}
  .section-head{margin-bottom:32px;}
  .fact-row{grid-template-columns:56px 1fr;gap:14px 16px;}
  .fact-row p{grid-column:2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;gap:32px;}
  .step{padding-top:56px;}
  .step::after{display:none;}
  .cta-block{padding:44px 28px;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:36px;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .page-hero h1{font-size:clamp(26px,7vw,32px);}
  .hero-lead{font-size:16px;}
  .pill{padding:10px 16px;font-size:14.5px;}
  .news-grid{grid-template-columns:1fr;}
  .fact-row{grid-template-columns:1fr;gap:8px;}
  .fact-row p{grid-column:1;}
  .fact-num{font-size:18px;}
  .news-body{padding:20px;}
  .accordion-button{font-size:15.5px;padding:18px 20px 18px 22px;}
  .accordion-body{padding:2px 22px 20px;}
  .cta-block{padding:36px 22px;border-radius:16px;}
  .cta-actions .btn-main,.cta-actions .btn-white-line{width:100%;}
  .related-box{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --brand:#1747C8;
  --brand-dark:#12389F;
  --brand-soft:#E9EFFC;
  --teal:#0E9F8E;
  --teal-soft:#E4F5F2;
  --cta:#FF6B1A;
  --cta-dark:#E85A0C;
  --bg:#F5F7FC;
  --card:#FFFFFF;
  --line:#E3E9F4;
  --ink:#14213A;
  --text:#2A3A55;
  --muted:#62718C;
  --weak:#93A0B5;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow:0 8px 24px rgba(20,60,160,.07);
  --shadow-hover:0 16px 36px rgba(20,60,160,.13);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --wrap:1240px;

  --bs-body-font-family:var(--font);
  --bs-body-color:var(--text);
  --bs-body-bg:var(--bg);
  --bs-border-color:var(--line);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,border-color .25s ease;}
a:hover{color:var(--brand-dark);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.3;}
p{margin:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;width:100%;}

/* ============ 顶部提示条 ============ */
.site-header{position:sticky;top:0;z-index:1030;}
.topbar{background:#EEF3FE;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-inner span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-links{display:flex;gap:18px;flex:0 0 auto;}
.topbar-links a{color:var(--muted);font-size:13px;}
.topbar-links a:hover{color:var(--brand);}

/* ============ 导航 ============ */
.site-nav{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:0;
  transition:box-shadow .25s ease;
}
.site-nav.is-stuck{box-shadow:0 6px 18px rgba(20,60,160,.08);}
.nav-inner{display:flex;align-items:center;gap:26px;min-height:72px;}

.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,#1F55E0,#12389F);
  position:relative;
  box-shadow:0 6px 14px rgba(23,71,200,.25);
}
.brand-mark::before{
  content:"";position:absolute;inset:8px 6px;
  border:2px solid rgba(255,255,255,.92);
  border-radius:52% 52% 42% 42%/60% 60% 40% 40%;
  border-bottom-color:rgba(255,255,255,.28);
  border-left-color:rgba(255,255,255,.45);
  transform:rotate(-12deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--weak);margin-top:3px;}

.nav-toggle{
  margin-left:auto;width:44px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:border-color .25s ease,background .25s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle:hover{border-color:var(--brand);background:var(--brand-soft);}

.nav-list{align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  background:none;border:0;
  transition:color .25s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left center;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{transform:scaleX(1);}
.mega-trigger i{font-size:11px;margin-left:5px;color:var(--weak);}

.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.btn:active{transform:translateY(1px);}
.btn-cta{background:var(--cta);color:#fff;box-shadow:0 8px 18px rgba(255,107,26,.22);}
.btn-cta:hover{background:var(--cta-dark);color:#fff;transform:translateY(-1px);}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-line{background:#fff;color:var(--brand);border-color:#C9D8F7;}
.btn-line:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);}
.btn-light-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-light-line:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}

.mega-wrap{position:relative;}
.mega-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-hover);padding:22px;
}
.mega-title{font-size:13px;font-weight:600;color:var(--weak);letter-spacing:.4px;margin-bottom:10px;}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:4px 14px;}
.mega-links a{font-size:14px;color:var(--text);padding:5px 0;}
.mega-links a:hover{color:var(--brand);}
.mega-list li + li{margin-top:12px;}
.mega-list a{display:flex;gap:10px;align-items:center;color:var(--ink);font-size:14px;font-weight:600;}
.mega-list a:hover{color:var(--brand);}
.mega-list img{width:72px;height:44px;object-fit:cover;border-radius:8px;flex:0 0 auto;}
.mega-card{
  background:var(--brand-soft);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:10px;height:100%;
}
.mega-card strong{font-size:15px;color:var(--ink);}
.mega-card p{font-size:13px;color:var(--muted);line-height:1.7;}

/* ============ 页头带 ============ */
.page-hero{
  background:
    radial-gradient(rgba(23,71,200,.09) 1px,transparent 1px) 0 0/18px 18px,
    linear-gradient(180deg,#EEF3FE,#F7F9FE);
  border-bottom:1px solid var(--line);
  padding:52px 0 56px;
}
.breadcrumb-trail{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:18px;}
.breadcrumb-trail a{color:var(--muted);}
.breadcrumb-trail a:hover{color:var(--brand);}
.breadcrumb-trail .sep{color:#C3CDE0;}
.breadcrumb-trail .current{color:var(--weak);}
.page-hero h1{
  font-size:clamp(28px,4.6vw,46px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.2px;
}
.page-hero .lead-text{font-size:16px;color:var(--text);line-height:1.85;margin-top:18px;max-width:720px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.fact-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 15px;font-size:13px;color:var(--muted);
}
.fact-chip i{color:var(--teal);font-size:12px;}
.hero-figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid #DCE5F8;
  box-shadow:var(--shadow);background:#fff;
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure figcaption{padding:12px 16px;font-size:13px;color:var(--muted);background:#fff;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--teal);
  background:var(--teal-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;}
.section-head p{font-size:15px;color:var(--muted);margin-top:12px;line-height:1.8;}

/* ============ 赛事条目横向列表 ============ */
.match-list{display:flex;flex-direction:column;gap:20px;}
.match-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:22px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.match-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D5E1F8;}
.date-block{
  width:84px;height:84px;border-radius:14px;
  background:var(--brand-soft);border:1px solid #D3DEF7;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.date-block .d{font-size:30px;font-weight:700;line-height:1;color:var(--brand);font-family:Inter,var(--font);}
.date-block .m{font-size:12px;color:var(--muted);margin-top:6px;}
.match-thumb{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);}
.match-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .25s ease;}
.match-item:hover .match-thumb img{transform:scale(1.03);}
.match-body{display:flex;flex-direction:column;gap:10px;}
.badge-soft{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;
}
.badge-soft.teal{color:#0B7C6E;background:var(--teal-soft);}
.match-body h3{font-size:19px;line-height:1.45;}
.match-body h3 a{color:var(--ink);}
.match-item:hover .match-body h3 a{color:var(--brand);}
.match-body p{font-size:15px;color:var(--muted);line-height:1.75;}
.match-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--weak);}
.match-meta i{margin-right:5px;color:#A9B7CE;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow i{transition:transform .25s ease;font-size:12px;}
.link-arrow:hover i{transform:translateX(2px);}

/* ============ 分页 ============ */
.pager{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;justify-content:center;}
.page-btn{
  min-width:44px;height:44px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:var(--muted);
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;
}
.page-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:#C9D8F7;transform:translateY(-1px);}
.page-btn.is-current{background:var(--brand);border-color:var(--brand);color:#fff;}
.page-btn.is-current:hover{background:var(--brand-dark);color:#fff;}

/* ============ 信息维度（编号） ============ */
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.info-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.info-block:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.info-block .num{
  font-size:40px;font-weight:700;line-height:1;
  color:rgba(14,159,142,.28);font-family:Inter,var(--font);
  display:block;margin-bottom:14px;
}
.info-block h3{font-size:18px;margin-bottom:10px;}
.info-block p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ============ 更新节奏 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative;}
.steps::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;
  border-top:1px dashed #C9D8F7;z-index:0;
}
.step{position:relative;z-index:1;}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:14px;
  background:var(--brand-soft);border:1px solid #D3DEF7;
  font-size:20px;font-weight:700;color:var(--brand);font-family:Inter,var(--font);
  margin-bottom:18px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:12px;}

/* ============ FAQ ============ */
.faq-accordion{
  --bs-accordion-border-width:0;
  --bs-accordion-bg:transparent;
  --bs-accordion-btn-bg:#fff;
  --bs-accordion-btn-color:var(--ink);
  --bs-accordion-btn-padding-y:18px;
  --bs-accordion-btn-padding-x:24px;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-active-bg:#fff;
  --bs-accordion-active-color:var(--brand);
  --bs-accordion-body-padding-x:24px;
  --bs-accordion-body-padding-y:0;
}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:14px;
  margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden;
}
.faq-accordion .accordion-button{
  display:flex;align-items:center;gap:12px;
  font-size:16px;font-weight:600;line-height:1.6;
  border-radius:14px!important;
}
.faq-accordion .accordion-button::before{
  content:"";width:3px;height:22px;border-radius:2px;background:var(--brand);
  flex:0 0 auto;opacity:0;transition:opacity .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-accordion .accordion-button::after{
  content:"";background-image:none;
  width:10px;height:10px;margin-left:auto;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);
  transition:transform .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.faq-accordion .accordion-button:hover{background:var(--brand-soft);}
.faq-accordion .accordion-body{
  font-size:15px;color:var(--muted);line-height:1.8;padding:0 24px 20px 39px;
}

/* ============ 分类胶囊 ============ */
.pill-block{margin-top:40px;padding-top:32px;border-top:1px solid var(--line);}
.pill-block h3{font-size:16px;margin-bottom:16px;}
.pill-nav{display:flex;flex-wrap:wrap;gap:12px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--muted);
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;
}
.pill:hover{background:var(--brand-soft);color:var(--brand);border-color:#C9D8F7;transform:translateY(-2px);}
.pill.is-current{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ============ CTA ============ */
.cta-band{
  background:
    radial-gradient(circle at 88% 18%,rgba(255,255,255,.16) 0 34%,transparent 35%),
    radial-gradient(circle at 8% 90%,rgba(255,255,255,.12) 0 26%,transparent 27%),
    var(--brand);
  border-radius:20px;
  padding:56px 48px;
  color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.3vw,28px);}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin-top:12px;max-width:520px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85;}
.footer-col ul li{margin-bottom:6px;}
.footer-col ul a{font-size:14px;color:var(--muted);display:inline-block;line-height:1.9;transition:color .25s ease,transform .25s ease;}
.footer-col ul a:hover{color:var(--brand);transform:translateX(2px);}
.footer-note{font-size:13px;color:var(--weak);}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--weak);
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;}
.to-top:hover{color:var(--brand);}

/* ============ 响应式 ============ */
@media (min-width:992px){
  .mega-panel{
    position:absolute;top:calc(100% + 12px);left:0;
    width:840px;display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:24px;
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
    z-index:60;
  }
  .mega-wrap:hover .mega-panel,
  .mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
}

@media (max-width:1199.98px){
  .info-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-grid .footer-col:last-child{grid-column:1 / -1;}
}

@media (max-width:991.98px){
  .topbar-links{display:none;}
  .nav-inner{min-height:64px;gap:14px;}
  .site-nav .navbar-collapse{
    background:#fff;border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow);padding:14px;margin-top:12px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-link{
    display:block;width:100%;padding:12px 14px;border-radius:10px;
    border-left:3px solid transparent;
  }
  .nav-link::after{display:none;}
  .nav-link.active{background:var(--brand-soft);border-left-color:var(--brand);}
  .mega-wrap{width:100%;}
  .mega-trigger{text-align:left;width:100%;}
  .mega-panel{
    position:static;display:none;box-shadow:none;border:1px dashed var(--line);
    grid-template-columns:1fr;margin-top:8px;padding:18px;
  }
  .mega-wrap.open .mega-panel{display:grid;}
  .nav-cta{margin-top:14px;width:100%;}
  .nav-cta .btn{width:100%;}
  .section{padding:64px 0;}
  .page-hero{padding:40px 0 48px;}
  .hero-figure{margin-top:28px;}
  .steps{grid-template-columns:1fr;gap:24px;}
  .steps::before{display:none;}
  .cta-band{padding:40px 28px;border-radius:18px;}
  .site-footer{padding-top:56px;margin-top:72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid .footer-col:first-child{grid-column:1 / -1;}
}

@media (max-width:767.98px){
  .wrap{padding:0 20px;}
  .brand-text strong{font-size:15px;}
  .info-grid{grid-template-columns:1fr;}
  .match-item{padding:18px;}
  .date-block{
    width:100%;height:auto;flex-direction:row;gap:8px;padding:10px 14px;
    border-radius:12px;justify-content:flex-start;
  }
  .date-block .d{font-size:22px;}
  .date-block .m{margin-top:0;}
  .match-body h3{font-size:17px;}
  .faq-accordion .accordion-button{font-size:15px;padding:16px 18px;}
  .faq-accordion .accordion-body{padding:0 18px 18px 33px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;}
  .cta-actions .btn{width:100%;}
}

@media (max-width:520px){
  .section{padding:52px 0;}
  .page-hero h1{font-size:26px;}
  .hero-facts{gap:8px;}
  .fact-chip{font-size:12px;padding:6px 12px;}
  .btn{padding:0 18px;font-size:14px;}
}

/* roulang page: category3 */
:root{
  --brand:#1747C8;
  --brand-dark:#12389F;
  --brand-soft:#E9EFFC;
  --teal:#0E9F8E;
  --teal-soft:#E4F5F2;
  --cta:#FF6B1A;
  --cta-dark:#E85A0C;
  --bg:#F5F7FC;
  --card:#FFFFFF;
  --line:#E3E9F4;
  --ink:#14213A;
  --body-text:#2A3A55;
  --muted:#62718C;
  --weak:#93A0B5;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-card:0 8px 24px rgba(20,60,160,.07);
  --sh-hover:0 16px 36px rgba(20,60,160,.13);
  --t:.25s ease;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --bs-body-font-family:var(--font);
  --bs-body-color:var(--body-text);
  --bs-body-bg:var(--bg);
  --bs-border-color:var(--line);
  --bs-primary:#1747C8;
  --bs-primary-rgb:23,71,200;
  --bs-link-color:#1747C8;
  --bs-link-hover-color:#12389F;
  --bs-border-radius:10px;
  --bs-border-radius-lg:16px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--body-text);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--t)}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 顶部提示条 ---------- */
.topbar{background:var(--brand-soft);border-bottom:1px solid #DCE6FA;font-size:13px;color:var(--muted)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:38px;padding-top:6px;padding-bottom:6px}
.topbar-inner span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-links{display:flex;align-items:center;gap:18px;flex-shrink:0}
.topbar-links a{font-size:13px;color:var(--body-text);font-weight:600}
.topbar-links a:hover{color:var(--brand)}

/* ---------- 导航 ---------- */
.site-nav{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:10px 0;
  transition:box-shadow var(--t);
}
.site-nav.scrolled{box-shadow:0 6px 22px rgba(20,60,160,.09)}
.nav-inner{display:flex;align-items:center;gap:24px;width:100%}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--brand);
  position:relative;flex-shrink:0;display:inline-block;
}
.brand-mark::after{
  content:"";position:absolute;left:8px;right:8px;top:50%;height:14px;margin-top:-7px;
  border:2px solid rgba(255,255,255,.92);border-radius:50% 50% 50% 50%/70% 70% 30% 30%;
  border-bottom-color:transparent;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:12px;color:var(--weak);letter-spacing:.4px}

.nav-toggle{
  width:44px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle:focus{box-shadow:none}

.nav-list{gap:4px;align-items:center}
.nav-item{position:relative}
.nav-link{
  font-size:15px;font-weight:600;color:var(--ink);
  padding:10px 12px;position:relative;background:none;border:0;
  display:inline-flex;align-items:center;gap:6px;border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover,.nav-link.active{color:var(--brand)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.mega-trigger i{font-size:11px;transition:transform var(--t)}
.mega-wrap:hover .mega-trigger i,.mega-panel.open ~ .mega-trigger i{transform:rotate(180deg)}

.btn-nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--cta);color:#fff;font-size:15px;font-weight:600;
  border:0;transition:all var(--t);white-space:nowrap;
}
.btn-nav-cta:hover{background:var(--cta-dark);color:#fff;transform:translateY(-1px)}
.btn-nav-cta:active{transform:none}

/* ---------- Mega 面板 ---------- */
.mega-wrap{position:relative}
.mega-panel{
  position:absolute;top:calc(100% + 16px);right:0;width:880px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-hover);
  padding:28px;display:grid;grid-template-columns:1fr 1.15fr .95fr;gap:28px;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all var(--t);z-index:60;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel,.mega-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:13px;font-weight:700;color:var(--weak);letter-spacing:1px;margin-bottom:14px}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px}
.mega-links a{font-size:14px;font-weight:600;color:var(--body-text);padding:6px 0;display:inline-block}
.mega-links a:hover{color:var(--brand);transform:translateX(2px)}
.mega-item{display:flex;gap:12px;align-items:center;padding:8px;border-radius:12px;transition:background var(--t)}
.mega-item:hover{background:var(--bg)}
.mega-item img{width:84px;height:50px;object-fit:cover;border-radius:10px;flex-shrink:0}
.mega-item span{font-size:13px;line-height:1.5;color:var(--body-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-entry{background:var(--brand-soft);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:12px}
.mega-entry strong{font-size:15px;color:var(--ink)}
.mega-entry p{font-size:13px;line-height:1.7;color:var(--muted)}
.mega-entry .btn{height:40px;font-size:14px;padding:0 18px;border-radius:var(--r-btn);align-self:flex-start}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all var(--t);cursor:pointer;text-align:center;
}
.btn-cta{background:var(--cta);color:#fff;border-color:var(--cta)}
.btn-cta:hover{background:var(--cta-dark);border-color:var(--cta-dark);color:#fff;transform:translateY(-1px)}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C3D2F5}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px)}
.btn-outline-light2{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light2:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-1px)}
.btn:active{transform:none}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow i{font-size:12px;transition:transform var(--t)}
.link-arrow:hover{color:var(--brand-dark)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;
  padding:64px 0 60px;
  background:
    linear-gradient(180deg,rgba(245,247,252,.94),rgba(245,247,252,.98)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(23,71,200,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
  mask-image:linear-gradient(90deg,rgba(0,0,0,.6),transparent 70%);
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.6),transparent 70%);
}
.page-hero .wrap{position:relative;z-index:2}
.crumbs{margin-bottom:20px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:#C6D0E2}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs [aria-current]{color:var(--weak)}
.page-hero h1{font-size:clamp(28px,4.6vw,46px);line-height:1.22;font-weight:700;max-width:900px}
.page-hero .hero-sub{margin-top:20px;max-width:780px;font-size:16px;line-height:1.85;color:var(--muted)}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts li{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:13px;color:var(--body-text);box-shadow:var(--sh-card);
}
.hero-facts i{color:var(--teal);font-size:12px}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.28}
.section-head p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted)}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.4px;
  color:var(--teal);background:var(--teal-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}

/* ---------- 编号指引列表 ---------- */
.guide-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:10px 30px;
}
.guide-item{
  display:grid;grid-template-columns:104px 1fr;gap:26px;
  padding:32px 0;border-bottom:1px solid var(--line);
  transition:background var(--t);
}
.guide-item:last-child{border-bottom:0}
.guide-num{
  font-size:40px;font-weight:700;line-height:1;
  color:rgba(14,159,142,.34);font-family:Inter,"Segoe UI",var(--font);
  transition:color var(--t);padding-top:4px;
}
.guide-item:hover .guide-num{color:var(--teal)}
.guide-item h3{font-size:20px;font-weight:600;line-height:1.4}
.guide-item p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--muted);max-width:760px}
.guide-item .link-arrow{margin-top:14px}

.guide-more{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;margin-top:32px}
.pager{display:flex;align-items:center;gap:10px}
.page-btn{
  min-width:42px;height:42px;padding:0 14px;border-radius:var(--r-btn);
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--body-text);
  transition:all var(--t);
}
.page-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.page-btn.active{background:var(--brand);border-color:var(--brand);color:#fff}
.page-btn.disabled{color:var(--weak);cursor:not-allowed;background:#F9FBFF}
.page-btn.disabled:hover{transform:none;border-color:var(--line);color:var(--weak)}

/* ---------- 分阶段三卡 ---------- */
.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stage-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-card);transition:all var(--t);height:100%;
  display:flex;flex-direction:column;
}
.stage-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.stage-tag{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:5px 13px;margin-bottom:16px;
}
.stage-card h3{font-size:19px;line-height:1.4}
.stage-card p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted);flex:1}
.stage-card .link-arrow{margin-top:18px}

/* ---------- 图文区块 ---------- */
.feature-card{
  display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-card);padding:32px;overflow:hidden;
}
.feature-card figure{margin:0;border-radius:var(--r-img);overflow:hidden;background:var(--brand-soft)}
.feature-card img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);transition:transform .4s ease}
.feature-card:hover img{transform:scale(1.03)}
.feature-body h2{font-size:clamp(20px,2.2vw,28px);line-height:1.32}
.feature-body p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--muted)}
.check-list{margin-top:22px;display:grid;gap:12px;grid-template-columns:1fr 1fr}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--body-text);line-height:1.7}
.check-list i{color:var(--teal);margin-top:5px;font-size:13px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--sh-card);overflow:hidden;transition:all var(--t);
}
.faq-item:hover{border-color:#CFDCF6}
.faq-q{
  width:100%;text-align:left;background:none;border:0;padding:22px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;
  position:relative;transition:color var(--t);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);transform:scaleY(0);transform-origin:top;transition:transform var(--t);
}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q::before{transform:scaleY(1)}
.faq-q i{font-size:13px;color:var(--weak);transition:transform var(--t);flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 24px 24px;font-size:15px;line-height:1.75;color:var(--muted)}

/* ---------- 分类胶囊 ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:12px}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:11px 20px;font-size:14px;font-weight:600;color:var(--body-text);
  box-shadow:var(--sh-card);transition:all var(--t);
}
.pill i{color:var(--brand);font-size:12px}
.pill:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.pill.current{background:var(--brand);border-color:var(--brand);color:#fff}
.pill.current i{color:#fff}

/* ---------- CTA 区块 ---------- */
.cta-band{
  background:var(--brand);border-radius:20px;padding:56px;
  position:relative;overflow:hidden;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:20px 20px;opacity:.6;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.3}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:#F0F4FC;border-top:1px solid var(--line);margin-top:72px;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-col h4{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.9;color:var(--muted)}
.footer-col ul{display:grid;gap:2px}
.footer-col ul a{font-size:14px;line-height:1.9;color:var(--muted);display:inline-block;transition:all var(--t)}
.footer-col ul a:hover{color:var(--brand);transform:translateX(2px)}
.footer-note{font-size:13px;line-height:1.9;color:var(--weak)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px 0;font-size:13px;color:var(--weak);
}
.to-top{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);font-weight:600}
.to-top:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .mega-panel{width:760px;grid-template-columns:1fr 1fr;gap:22px}
  .mega-panel .mega-entry{grid-column:1 / -1}
  .mega-entry{flex-direction:row;align-items:center;justify-content:space-between}
}
@media (max-width:991.98px){
  .wrap{padding:0 20px}
  .topbar-links{display:none}
  .topbar-inner{justify-content:center}
  .topbar-inner span{font-size:12px;text-align:center;white-space:normal}
  .site-nav{padding:8px 0}
  .nav-inner{justify-content:space-between;gap:12px}
  .navbar-collapse{
    margin-top:12px;background:#fff;border:1px solid var(--line);
    border-radius:16px;box-shadow:var(--sh-card);padding:14px;
  }
  .nav-list{width:100%;align-items:stretch;gap:2px}
  .nav-item{width:100%}
  .nav-link{
    width:100%;justify-content:space-between;padding:13px 14px;
    border-left:3px solid transparent;border-radius:10px;font-size:15px;
  }
  .nav-link::after{display:none}
  .nav-link:hover,.nav-link.active{background:var(--brand-soft);border-left-color:var(--brand)}
  .mega-panel{
    position:static;width:100%;max-width:none;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:0;padding:6px 0 10px 14px;grid-template-columns:1fr;gap:16px;
  }
  .mega-wrap:hover .mega-panel{opacity:1;visibility:visible;transform:none}
  .mega-entry{flex-direction:column;align-items:flex-start}
  .btn-nav-cta{width:100%;justify-content:center;margin-top:12px}
  .nav-cta-wrap{width:100%}
  .page-hero{padding:48px 0 44px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .stage-grid{grid-template-columns:1fr 1fr}
  .feature-card{grid-template-columns:1fr;gap:26px;padding:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .guide-panel{padding:6px 20px}
  .guide-item{grid-template-columns:1fr;gap:12px;padding:26px 0}
  .guide-num{font-size:32px}
  .stage-grid{grid-template-columns:1fr}
  .check-list{grid-template-columns:1fr}
  .cta-band{padding:36px 24px;border-radius:16px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto;justify-content:center}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
  .page-hero h1{font-size:26px}
  .hero-facts li{font-size:12px;padding:7px 13px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .brand-text em{display:none}
  .brand-text strong{font-size:15px}
  .section{padding:44px 0}
  .faq-q{font-size:15px;padding:18px 18px}
  .faq-a p{padding:0 18px 20px 18px}
  .btn{width:100%}
  .guide-more{flex-direction:column;align-items:stretch}
  .pager{justify-content:center}
}

/* roulang page: category4 */
:root{
  --brand:#1747C8;
  --brand-hover:#12389F;
  --brand-soft:#E9EFFC;
  --teal:#0E9F8E;
  --teal-soft:#E4F5F2;
  --cta:#FF6B1A;
  --cta-hover:#E85A0C;
  --bg:#F5F7FC;
  --card:#FFFFFF;
  --line:#E3E9F4;
  --ink:#14213A;
  --body:#2A3A55;
  --muted:#62718C;
  --faint:#93A0B5;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 8px 24px rgba(20,60,160,.07);
  --shadow-hover:0 16px 36px rgba(20,60,160,.13);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-font-family:var(--font-cn);
  --bs-body-color:var(--body);
  --bs-body-bg:var(--bg);
  --bs-border-color:var(--line);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand-hover);
  --bs-border-radius:12px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease;}
a:hover{color:var(--brand-hover);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;margin:0;}
p{margin:0;}
ol,ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;transition:box-shadow .25s ease;}
.site-header.scrolled{box-shadow:0 6px 20px rgba(20,60,160,.09);}
.topbar{background:var(--brand-soft);border-bottom:1px solid var(--line);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:38px;font-size:13px;color:var(--muted);}
.topbar-links{display:flex;gap:18px;}
.topbar-links a{font-size:13px;color:var(--muted);}
.topbar-links a:hover{color:var(--brand);}
.site-nav{border-bottom:1px solid var(--line);background:#fff;padding:0;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{position:relative;width:38px;height:38px;flex:none;border-radius:11px;background:linear-gradient(135deg,#1747C8,#2F68E6);overflow:hidden;}
.brand-mark::after{content:"";position:absolute;left:8px;right:8px;top:13px;height:12px;border-top:2px solid rgba(255,255,255,.9);border-radius:50%;}
.brand-mark::before{content:"";position:absolute;left:8px;right:8px;top:20px;height:12px;border-top:2px solid rgba(255,255,255,.45);border-radius:50%;}
.brand-text strong{display:block;font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--muted);line-height:1.4;}
.nav-list{align-items:center;gap:4px;}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);padding:10px 12px;background:none;border:0;}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav-link:hover,.nav-link:focus-visible{color:var(--brand);}
.nav-link:hover::after,.nav-link.active::after,.nav-link:focus-visible::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);}
.nav-cta{display:inline-flex;align-items:center;margin-left:18px;height:44px;padding:0 22px;border-radius:var(--radius-btn);background:var(--cta);color:#fff;font-size:15px;font-weight:600;transition:background-color .25s ease,transform .25s ease;}
.nav-cta:hover{background:var(--cta-hover);color:#fff;transform:translateY(-1px);}
.nav-toggle{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.mega-wrap{position:relative;}
.mega-panel{position:absolute;right:0;top:calc(100% + 12px);width:800px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-hover);padding:24px;display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease;z-index:1050;}
.mega-wrap:hover .mega-panel,.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;font-weight:600;color:var(--faint);margin-bottom:12px;}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;}
.mega-links a{font-size:14px;font-weight:600;color:var(--ink);}
.mega-links a:hover{color:var(--brand);}
.mega-item{display:flex;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);}
.mega-item:last-child{border-bottom:0;}
.mega-item img{width:74px;height:46px;object-fit:cover;border-radius:8px;flex:none;}
.mega-item span{font-size:14px;font-weight:600;color:var(--ink);display:block;line-height:1.5;}
.mega-item small{color:var(--faint);font-size:12px;}
.mega-item:hover span{color:var(--brand);}
.mega-card{background:var(--brand-soft);border-radius:14px;padding:18px;}
.mega-card p{font-size:14px;color:var(--body);margin-bottom:14px;}
.mega-card .btn-soft{display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--radius-btn);background:var(--brand);color:#fff;font-size:14px;font-weight:600;}
.mega-card .btn-soft:hover{background:var(--brand-hover);color:#fff;}

/* ---------- buttons ---------- */
.btn-main,.btn-line,.btn-light-line{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;transition:background-color .25s ease,color .25s ease,transform .25s ease,border-color .25s ease;}
.btn-main{background:var(--cta);color:#fff;}
.btn-main:hover{background:var(--cta-hover);color:#fff;transform:translateY(-1px);}
.btn-line{background:#fff;color:var(--brand);border:1px solid var(--brand);}
.btn-line:hover{background:var(--brand-soft);color:var(--brand-hover);border-color:var(--brand-hover);transform:translateY(-1px);}
.btn-light-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7);}
.btn-light-line:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px);}
.btn-main:active,.btn-line:active,.btn-light-line:active{transform:none;}

/* ---------- page hero ---------- */
.page-hero{position:relative;background:#fff;border-bottom:1px solid var(--line);overflow:hidden;padding:52px 0 64px;}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.07;pointer-events:none;}
.page-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(23,71,200,.16) 1px,transparent 1px);background-size:22px 22px;opacity:.35;pointer-events:none;}
.page-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.breadcrumb-nav{margin-bottom:18px;}
.breadcrumb-nav ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb-nav li::after{content:"/";margin-left:8px;color:var(--faint);}
.breadcrumb-nav li:last-child::after{content:"";margin:0;}
.breadcrumb-nav a{color:var(--muted);}
.breadcrumb-nav a:hover{color:var(--brand);}
.breadcrumb-nav .current{color:var(--faint);}
.eyebrow{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:var(--teal-soft);color:#0B7D70;font-size:13px;font-weight:600;margin-bottom:16px;}
.page-hero h1{font-size:clamp(28px,4.4vw,44px);line-height:1.24;letter-spacing:.2px;margin-bottom:18px;}
.page-hero .lead{font-size:16px;line-height:1.85;color:var(--body);max-width:640px;}
.page-fact{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--muted);}
.page-fact i{color:var(--teal);}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.anchor-pills a{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink);box-shadow:0 4px 12px rgba(20,60,160,.05);}
.anchor-pills a i{color:var(--brand);font-size:12px;}
.anchor-pills a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.page-hero-figure{position:relative;margin:0;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);background:#fff;}
.page-hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.page-hero-figure figcaption{position:static;background:#fff;border-top:1px solid var(--line);padding:14px 18px;font-size:13px;color:var(--muted);}
.page-hero-figure figcaption strong{display:block;color:var(--ink);font-size:14px;font-weight:600;margin-bottom:2px;}

/* ---------- section head ---------- */
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--muted);}

/* ---------- faq ---------- */
.faq-section{padding:88px 0 72px;}
.faq-stack{display:flex;flex-direction:column;gap:44px;max-width:920px;}
.faq-group{scroll-margin-top:120px;}
.group-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:22px;}
.group-index{font-size:34px;font-weight:700;line-height:1;color:rgba(14,159,142,.45);letter-spacing:-1px;flex:none;}
.group-head h3{font-size:20px;margin-bottom:6px;}
.group-head p{font-size:14px;color:var(--muted);}
.faq-group .accordion{--bs-accordion-border-width:0;--bs-accordion-border-radius:14px;--bs-accordion-inner-border-radius:14px;--bs-accordion-bg:#fff;--bs-accordion-transition:none;--bs-accordion-btn-padding-y:18px;--bs-accordion-btn-padding-x:22px;--bs-accordion-body-padding-x:22px;--bs-accordion-body-padding-y:0;--bs-accordion-btn-color:var(--ink);--bs-accordion-btn-bg:#fff;--bs-accordion-active-color:var(--brand);--bs-accordion-active-bg:#fff;--bs-accordion-btn-focus-box-shadow:none;}
.faq-group .accordion-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:12px;box-shadow:0 6px 18px rgba(20,60,160,.05);transition:box-shadow .25s ease,border-color .25s ease;}
.faq-group .accordion-item:hover{box-shadow:var(--shadow-card);border-color:#D3DDF2;}
.faq-group .accordion-button{font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);border-radius:14px;gap:14px;}
.faq-group .accordion-button:not(.collapsed){color:var(--brand);background:#fff;box-shadow:inset 3px 0 0 0 var(--brand);}
.faq-group .accordion-button::after{content:"+";background-image:none;width:26px;height:26px;flex:none;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;color:var(--brand);background-color:var(--brand-soft);border-radius:9px;transform:none;transition:background-color .25s ease,color .25s ease;}
.faq-group .accordion-button:not(.collapsed)::after{content:"−";background-color:var(--brand);color:#fff;}
.faq-group .accordion-body{padding:0 22px 20px 22px;font-size:15px;line-height:1.8;color:var(--body);}
.faq-group .accordion-body p+p{margin-top:12px;}
.faq-group .accordion-body strong{color:var(--ink);}
.faq-group .accordion-body ul{display:flex;flex-direction:column;gap:8px;margin-top:12px;}
.faq-group .accordion-body ul li{position:relative;padding-left:18px;}
.faq-group .accordion-body ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--teal);}

/* ---------- related ---------- */
.related{padding:0 0 72px;}
.related-head{margin-bottom:26px;}
.related-head h2{font-size:24px;margin-bottom:10px;}
.related-head p{font-size:15px;color:var(--muted);}
.pill-row{display:flex;flex-wrap:wrap;gap:14px;}
.pill{display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 22px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink);box-shadow:0 4px 14px rgba(20,60,160,.05);}
.pill i{color:var(--brand);font-size:13px;transition:transform .25s ease;}
.pill:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-card);}
.pill:hover i{transform:translateX(3px);}

/* ---------- cta ---------- */
.cta-section{padding:0 0 88px;}
.cta-box{position:relative;overflow:hidden;border-radius:20px;background:var(--brand);padding:56px 48px;display:grid;grid-template-columns:1.4fr .9fr;gap:32px;align-items:center;}
.cta-box::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);background-size:24px 24px;opacity:.5;pointer-events:none;}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.8vw,30px);line-height:1.3;margin-bottom:12px;}
.cta-copy p{color:rgba(255,255,255,.9);font-size:15px;max-width:560px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px;}
.footer-brand .brand-mark::after{left:7px;right:7px;top:11px;}
.footer-brand .brand-mark::before{top:17px;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--ink);}
.footer-col p{font-size:14px;line-height:1.85;color:var(--muted);}
.footer-col ul{display:flex;flex-direction:column;gap:4px;}
.footer-col ul a{font-size:14px;line-height:1.9;color:var(--muted);display:inline-block;transition:color .25s ease,transform .25s ease;}
.footer-col ul a:hover{color:var(--brand);transform:translateX(2px);}
.footer-note{font-size:13px;color:var(--muted);line-height:1.9;}
.footer-bottom{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;font-size:13px;color:var(--faint);flex-wrap:wrap;}
.to-top{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.to-top:hover{color:var(--brand);}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .mega-panel{width:680px;grid-template-columns:1fr 1.2fr;}
  .mega-card{display:none;}
}
@media (max-width:991.98px){
  .nav-inner{min-height:66px;}
  .navbar-collapse{flex-basis:100%;border-top:1px solid var(--line);margin-top:12px;padding:16px 0 20px;}
  .nav-list{align-items:stretch;gap:2px;}
  .nav-link{padding:12px 10px;border-left:3px solid transparent;}
  .nav-link::after{display:none;}
  .nav-link.active,.nav-link:hover{border-left-color:var(--brand);background:var(--brand-soft);border-radius:8px;}
  .nav-cta{margin:16px 0 0;width:100%;justify-content:center;}
  .mega-panel{position:static;width:100%;opacity:1;visibility:visible;transform:none;box-shadow:none;border-radius:12px;margin-top:8px;padding:16px;grid-template-columns:1fr;}
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:40px 0 52px;}
  .page-hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero-figure{order:-1;}
  .cta-box{grid-template-columns:1fr;padding:40px 28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .faq-section{padding:64px 0 56px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px;}
  .topbar{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-section{padding:52px 0 48px;}
  .faq-stack{gap:36px;}
  .group-index{font-size:28px;}
  .anchor-pills a{height:36px;padding:0 14px;font-size:13px;}
  .pill{width:100%;justify-content:space-between;}
  .related{padding-bottom:56px;}
  .cta-section{padding-bottom:64px;}
  .site-footer{padding-top:48px;}
}
@media (max-width:519.98px){
  .page-hero h1{font-size:26px;}
  .btn-main,.btn-line,.btn-light-line{width:100%;}
  .cta-actions{flex-direction:column;}
}