/* roulang page: index */
:root{
  --ink:#2B2340;
  --ink-deep:#1C1729;
  --lime:#B7E22B;
  --cyan:#14B8B0;
  --bg:#F6F5F8;
  --bg-alt:#EFEDF4;
  --white:#FFFFFF;
  --text:#1A1626;
  --text-2:#5A5468;
  --text-3:#8E8899;
  --border:#E4E1EB;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(28,23,41,.06);
  --sh-2:0 14px 36px -14px rgba(28,23,41,.22);
  --maxw:1200px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--cyan);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(43,35,64,.18);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1280px;}}
.sec{padding:var(--sec) 0;}
.sec-alt{background:var(--white);}
.sec-tint{background:var(--bg-alt);}
.sec-dark{background:var(--ink-deep);color:rgba(255,255,255,.72);}
@media (max-width:768px){:root{--sec:56px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink-deep);height:38px;display:flex;align-items:center;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-domain{color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.02em;}
.topbar-domain:hover{color:var(--lime);}
.topbar-note{color:rgba(255,255,255,.66);font-size:12.5px;margin:0;}
.topbar-actions{display:flex;align-items:center;gap:10px;font-size:12.5px;}
.topbar-actions a{color:rgba(255,255,255,.82);}
.topbar-actions a:hover{color:var(--lime);}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;box-shadow:0 0 0 3px rgba(183,226,43,.18);}
@media (max-width:767px){.topbar-note{display:none;}}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;}
.mainnav{background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease;}
.mainnav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .mainnav{box-shadow:0 6px 24px -16px rgba(28,23,41,.4);}
.site-header.is-scrolled .mainnav-inner{height:60px;}
.brand{display:flex;flex-direction:column;line-height:1.12;flex-shrink:0;}
.brand-main{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:12px;color:var(--text-3);font-weight:500;margin-top:2px;}
.brand:hover .brand-main{color:var(--ink);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  display:flex;align-items:center;height:40px;padding:0 14px;font-size:15px;font-weight:600;
  color:var(--ink);border-radius:8px;position:relative;
}
.nav-links a:hover{color:var(--ink);background:var(--bg-alt);}
.nav-links a.active{color:var(--ink);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--lime);border-radius:2px;
}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);border:0;cursor:pointer;
  background:var(--ink);color:#fff;font-size:15px;font-weight:600;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{background:#3a3057;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);border:0;cursor:pointer;
  background:var(--lime);color:var(--ink);font-size:15px;font-weight:700;
  transition:background .2s ease,transform .2s ease;
}
.btn-lime:hover{background:#a8d31f;color:var(--ink);transform:translateY(-2px);}
.btn-lime:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 24px;border-radius:var(--r-btn);cursor:pointer;
  background:transparent;border:1px solid var(--ink);color:var(--ink);font-size:15px;font-weight:600;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.nav-cta{height:40px;padding:0 18px;font-size:14px;flex-shrink:0;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);}
.text-link span.arw{transition:transform .2s ease;display:inline-block;}
.text-link:hover span.arw{transform:translateX(3px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:10px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,23,41,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:1055;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;
  box-shadow:-16px 0 40px -20px rgba(28,23,41,.4);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);}
.drawer-close{width:44px;height:44px;border:0;background:var(--bg-alt);border-radius:10px;font-size:20px;color:var(--ink);cursor:pointer;line-height:1;}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0;}
.drawer-nav a{
  display:flex;align-items:center;height:56px;padding:0 24px;font-size:18px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--border);
}
.drawer-nav a.active{color:var(--ink);background:var(--bg-alt);box-shadow:inset 3px 0 0 var(--lime);}
.drawer-foot{padding:16px 20px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--border);}
.drawer-foot .btn-lime{width:100%;}
body.locked{overflow:hidden;}

/* ---------- 通用标题 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(183,226,43,.18);color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.h1{font-size:clamp(34px,5vw,58px);line-height:1.12;font-weight:900;letter-spacing:-.02em;color:var(--ink);}
.h2{font-size:clamp(26px,3.2vw,38px);line-height:1.2;font-weight:800;letter-spacing:-.015em;color:var(--ink);}
.h3{font-size:21px;line-height:1.4;font-weight:700;color:var(--ink);}
.lead{font-size:17px;color:var(--text-2);}
.meta{font-size:13px;color:var(--text-3);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head p{color:var(--text-2);font-size:16px;margin-top:10px;max-width:640px;}
@media (max-width:767px){.sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--white);padding:72px 0 80px;}
.hero::before{
  content:"";position:absolute;top:-80px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle at 30% 30%,rgba(183,226,43,.16),rgba(183,226,43,0) 62%);
  border-radius:50%;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--border);
}
.hero-grid{position:relative;display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center;}
.hero-copy .h1{margin:20px 0 18px;}
.hero-sub{font-size:18px;color:var(--text-2);max-width:520px;}
.hero-cta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:32px;}
.trust-row{display:flex;gap:26px;flex-wrap:wrap;margin-top:36px;padding-top:26px;border-top:1px solid var(--border);}
.trust-item{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--text-2);}
.trust-item i{width:22px;height:22px;border-radius:6px;background:rgba(183,226,43,.28);display:inline-flex;align-items:center;justify-content:center;color:var(--ink);font-size:12px;font-style:normal;font-weight:800;}
.hero-visual{position:relative;padding:10px 0;}
.hero-visual-inner{position:relative;border-radius:var(--r-block);overflow:hidden;box-shadow:var(--sh-2);animation:floaty 7s ease-in-out infinite;}
.hero-visual-inner img{width:100%;aspect-ratio:4/3.1;object-fit:cover;border-radius:var(--r-block);}
.hero-float-card{
  position:absolute;left:18px;bottom:18px;background:#fff;border-radius:12px;padding:14px 18px;
  box-shadow:var(--sh-2);border:1px solid var(--border);
}
.hero-float-card .float-label{display:block;font-size:12px;color:var(--text-3);}
.hero-float-card strong{font-size:17px;color:var(--ink);font-weight:800;}
.hero-badge{
  position:absolute;right:16px;top:16px;background:var(--ink);color:#fff;border-radius:12px;
  padding:12px 16px;text-align:center;box-shadow:var(--sh-2);
}
.hero-badge .badge-num{display:block;font-size:22px;font-weight:900;color:var(--lime);line-height:1.1;}
.hero-badge .badge-txt{font-size:12px;color:rgba(255,255,255,.78);}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
@media (max-width:991px){
  .hero{padding:48px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:2;}
  .hero-cta .btn-primary,.hero-cta .btn-ghost{width:100%;}
  .hero-cta{gap:12px;}
  .hero-cta .text-link{width:100%;justify-content:center;}
}
@media (prefers-reduced-motion:reduce){
  .hero-visual-inner{animation:none;}
  *{scroll-behavior:auto !important;}
}

/* ---------- 三步上手 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--border);margin-top:8px;}
.step{padding:36px 32px 36px 0;position:relative;}
.step + .step{padding-left:32px;border-left:1px solid var(--border);}
.step-num{font-size:clamp(48px,5vw,64px);font-weight:900;line-height:1;color:var(--lime);letter-spacing:-.04em;transition:color .25s ease;-webkit-text-stroke:0;display:block;}
.step:hover .step-num{color:var(--ink);}
.step h3{margin:18px 0 10px;}
.step p{color:var(--text-2);font-size:15px;}
@media (max-width:991px){.steps{grid-template-columns:1fr 1fr;}.step{padding:28px 24px 28px 0;}.step + .step{border-left:1px solid var(--border);}}
@media (max-width:767px){
  .steps{grid-template-columns:1fr;}
  .step{padding:24px 0;border-left:0 !important;border-bottom:1px solid var(--border);}
  .step:last-child{border-bottom:0;}
}

/* ---------- 卡片 ---------- */
.cardx{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;height:100%;
}
.cardx:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(43,35,64,.3);}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--bg-alt);color:var(--ink);font-size:12px;font-weight:600;
}
.badge-outline{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  border:1px solid var(--cyan);color:var(--cyan);font-size:12px;font-weight:600;background:transparent;
}

/* ---------- 案例证明 ---------- */
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.case-main{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);display:block;}
.case-main img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);transition:transform .5s ease;}
.case-main:hover img{transform:scale(1.04);}
.case-main .case-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:26px;
  background:linear-gradient(180deg,rgba(28,23,41,0) 0%,rgba(28,23,41,.82) 100%);
  border-radius:0 0 var(--r-card) var(--r-card);
}
.case-main .case-overlay h3{color:#fff;font-size:22px;font-weight:800;margin:12px 0 8px;}
.case-main .case-overlay p{color:rgba(255,255,255,.8);font-size:14.5px;}
.case-side{display:flex;flex-direction:column;gap:24px;}
.case-small{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);flex:1;display:flex;flex-direction:column;justify-content:center;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.case-small:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(43,35,64,.3);}
.case-small h3{font-size:18px;margin:12px 0 10px;}
.case-small p{color:var(--text-2);font-size:14.5px;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
@media (max-width:991px){.case-grid{grid-template-columns:1fr;}}

/* ---------- 筛选 chips ---------- */
.chips{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--border);background:#fff;color:var(--text-2);font-size:14px;font-weight:600;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--ink);color:var(--ink);}
.chip.active{background:var(--ink);border-color:var(--ink);color:#fff;}

/* ---------- 内容动态卡片 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(43,35,64,.3);}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.post-body h3{
  font-size:17.5px;font-weight:700;line-height:1.5;margin:12px 0 10px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  color:var(--text-2);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);
}
.post-foot .arw{color:var(--ink);transition:transform .2s ease;font-weight:700;}
.post-card:hover .post-foot .arw{transform:translateX(4px);}
@media (max-width:991px){.post-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:767px){.post-grid{grid-template-columns:1fr;}}

/* ---------- 空态 ---------- */
.empty{
  border:1px dashed var(--border);border-radius:var(--r-block);padding:56px 24px;text-align:center;background:#fff;
}
.empty svg{width:52px;height:52px;stroke:var(--text-3);fill:none;stroke-width:1.5;margin:0 auto 18px;}
.empty p{color:var(--text-2);font-size:15px;margin-bottom:22px;}
.empty .btn-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-aside .h2{margin-bottom:14px;}
.faq-aside p{color:var(--text-2);font-size:15.5px;margin-bottom:26px;}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--border);}
.faq-accordion .accordion-button{
  background:transparent;box-shadow:none;padding:22px 44px 22px 0;font-size:18px;font-weight:600;color:var(--ink);
  border-radius:0;transition:color .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed){background:transparent;color:var(--ink);box-shadow:none;}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:none;}
.faq-accordion .accordion-button:hover{color:var(--ink);}
.faq-accordion .accordion-button::after{
  flex:none;width:16px;height:16px;background-image:none;content:"";
  border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);
  transform:rotate(45deg) translate(-2px,-2px);
  transition:transform .22s ease-out;margin-left:auto;position:absolute;right:8px;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg) translate(-2px,-2px);}
.faq-accordion .accordion-button{position:relative;}
.faq-accordion .accordion-body{padding:0 44px 24px 0;color:var(--text-2);font-size:15px;line-height:1.8;}
@media (max-width:991px){.faq-wrap{grid-template-columns:1fr;gap:32px;}}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;background:var(--ink-deep);border-radius:var(--r-block);overflow:hidden;
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.16;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);font-weight:800;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15.5px;}
@media (max-width:767px){
  .cta-band{flex-direction:column;text-align:center;padding:36px 24px;gap:22px;}
  .cta-band .btn-lime{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-main{color:#fff;font-size:19px;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:280px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--lime);}
.footer-col .info-line{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px;display:block;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.58);}
.footer-bottom a:hover{color:var(--lime);}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;
  background:var(--ink);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .28s ease;z-index:1020;
  box-shadow:var(--sh-2);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:#3a3057;}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}

/* ---------- Bootstrap 覆盖 ---------- */
.btn:focus,.btn:active{box-shadow:none;}
.accordion-button:focus{z-index:auto;}

/* roulang page: article */
:root{
  --brand:#2B2340;
  --accent:#B7E22B;
  --cyan:#14B8B0;
  --bg:#F6F5F8;
  --bg-alt:#EFEDF4;
  --dark:#1C1729;
  --text:#1A1626;
  --text-2:#5A5468;
  --text-3:#8E8899;
  --line:#E4E1EB;
  --white:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:20px;
  --shadow-1:0 1px 2px rgba(28,23,41,.06);
  --shadow-2:0 14px 36px -14px rgba(28,23,41,.22);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--text);
  font-size:16px;line-height:1.85;letter-spacing:0;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--cyan);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.02em;}
p{margin:0 0 1.2em;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* 顶部信息条 */
.topbar{background:var(--dark);color:rgba(255,255,255,.72);font-size:12.5px;line-height:38px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em;}
.topbar-domain:hover{color:var(--accent);}
.topbar-note{display:none;margin:0;color:rgba(255,255,255,.72);font-size:12.5px;}
.topbar-actions{display:flex;align-items:center;gap:10px;}
.topbar-actions a{color:rgba(255,255,255,.82);}
.topbar-actions a:hover{color:var(--accent);}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;box-shadow:0 0 0 3px rgba(183,226,43,.18);}
@media (min-width:768px){.topbar-note{display:block;}}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:1030;}
.mainnav{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.scrolled .mainnav{box-shadow:0 6px 20px -14px rgba(28,23,41,.35);}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;transition:height .25s ease;}
.site-header.scrolled .mainnav-inner{height:60px;}
.brand{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0;}
.brand-main{font-size:20px;font-weight:800;color:var(--brand);letter-spacing:-.01em;}
.brand-sub{font-size:12px;color:var(--text-3);font-weight:500;letter-spacing:.04em;}
.brand:hover .brand-main{color:var(--brand);}
.brand:hover .brand-sub{color:var(--cyan);}
.nav-links{display:none;align-items:center;gap:4px;margin:0;}
.nav-links a{
  display:inline-block;padding:10px 12px;font-size:15px;font-weight:500;color:var(--text-2);
  border-bottom:2px solid transparent;border-radius:6px;
}
.nav-links a:hover{color:var(--brand);background:rgba(43,35,64,.04);}
.nav-links a.active{color:var(--brand);font-weight:700;border-bottom-color:var(--accent);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);border:0;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{background:#3A2F55;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{outline:3px solid rgba(43,35,64,.18);outline-offset:2px;}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-btn);border:0;
  background:var(--accent);color:var(--brand);font-size:15px;font-weight:700;
  transition:background-color .2s ease,transform .2s ease;
}
.btn-accent:hover{background:#C6EC47;color:var(--brand);transform:translateY(-2px);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid var(--brand);color:var(--brand);
  font-size:15px;font-weight:600;transition:background-color .2s ease,color .2s ease;
}
.btn-ghost:hover{background:var(--brand);color:#fff;}
.nav-cta{display:none;height:40px;padding:0 18px;font-size:14px;}
@media (min-width:992px){
  .nav-links{display:flex;}
  .nav-cta{display:inline-flex;}
}
.nav-toggle{
  width:44px;height:44px;background:#fff;border:1px solid var(--line);border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--brand);border-radius:2px;transition:.25s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{top:-6px;left:0;transform:none;}
.nav-toggle span::after{top:6px;left:0;transform:none;}
@media (min-width:992px){.nav-toggle{display:none;}}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(28,23,41,.45);opacity:0;visibility:hidden;transition:.25s ease;z-index:1040;}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:#fff;z-index:1050;
  transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;
  box-shadow:-20px 0 40px -24px rgba(28,23,41,.4);
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--brand);font-size:16px;}
.drawer-nav{padding:8px 20px;flex:1;overflow-y:auto;}
.drawer-nav a{display:flex;align-items:center;height:56px;font-size:18px;color:var(--text);border-bottom:1px solid var(--line);}
.drawer-nav a.active{color:var(--brand);font-weight:700;}
.drawer-foot{padding:16px 20px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--line);}
.drawer-foot .btn-primary{width:100%;}

/* 阅读进度 */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:1060;transition:width .1s linear;}

/* 面包屑 */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-3);padding:14px 0;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--cyan);}
.crumb .sep{color:#C9C4D4;}
.crumb .current{color:var(--text-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 文章头部 */
.article-head{background:#fff;padding:34px 0 30px;border-bottom:1px solid var(--line);}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(43,35,64,.07);color:var(--brand);font-size:12px;font-weight:600;
}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);line-height:1.22;font-weight:900;letter-spacing:-.02em;
  margin:16px 0 14px;max-width:22ch;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-3);}
.meta-row .divider{width:1px;height:12px;background:var(--line);display:inline-block;}
.meta-row i{font-size:12px;margin-right:4px;color:var(--text-3);}

/* 主体布局 */
.article-layout{display:grid;grid-template-columns:1fr;gap:36px;padding:48px 0 72px;}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;}
}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:28px 22px;
}
@media (min-width:768px){.article-card{padding:44px 48px;}}
.article-body{max-width:820px;font-size:17px;line-height:1.9;color:#231E33;}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:23px;font-weight:800;line-height:1.35;
  margin:2.2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.35em;width:4px;height:18px;border-radius:2px;background:var(--accent);
}
.article-body h3{font-size:18px;font-weight:700;margin:1.8em 0 .6em;}
.article-body h4{font-size:16.5px;font-weight:700;margin:1.6em 0 .5em;color:var(--text-2);}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin:.5em 0;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--accent);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.2em;width:16px;height:16px;font-size:11px;
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:700;
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--bg-alt);
  border-left:3px solid var(--accent);border-radius:0 10px 10px 0;color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;box-shadow:var(--shadow-1);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--cyan);}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--line);border-radius:10px;overflow:hidden;}
.article-body thead th{background:var(--brand);color:#fff;font-weight:600;padding:12px 14px;text-align:left;}
.article-body tbody td{padding:12px 14px;border-top:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:var(--bg-alt);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* 侧栏 */
.side-col{display:flex;flex-direction:column;gap:24px;}
@media (min-width:1200px){
  .side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px;}
}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--text);
  margin:0 0 14px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--accent);}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--text-2);padding:7px 0 7px 12px;
  border-left:2px solid var(--line);
}
.toc-list a:hover{color:var(--brand);border-left-color:var(--accent);}
.toc-list a.lv3{padding-left:24px;font-size:13px;color:var(--text-3);}
.side-empty{font-size:13.5px;color:var(--text-3);line-height:1.75;}
.side-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);}
.side-item:last-child{border-bottom:0;padding-bottom:0;}
.side-item .thumb{
  width:88px;flex-shrink:0;aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:var(--bg-alt);
}
.side-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.side-item:hover .thumb img{transform:scale(1.05);}
.side-item h4{font-size:14.5px;font-weight:600;line-height:1.55;margin:0 0 4px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side-item span{font-size:12.5px;color:var(--text-3);}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--bg-alt);color:var(--text-2);font-size:12.5px;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease;
}
.tag:hover{background:var(--brand);color:#fff;}
.tag-accent{background:transparent;border-color:var(--cyan);color:var(--cyan);}

/* 上下篇 */
.postnav{display:grid;grid-template-columns:1fr;gap:16px;margin-top:36px;}
@media (min-width:768px){.postnav{grid-template-columns:1fr 1fr;}}
.postnav-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.postnav-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(43,35,64,.3);}
.postnav-item .label{font-size:12.5px;color:var(--text-3);display:block;margin-bottom:8px;}
.postnav-item strong{font-size:16px;font-weight:600;color:var(--text);line-height:1.6;display:block;}
.postnav-item.next{text-align:right;}

/* 相关推荐 */
.related{margin-top:56px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:800;}
.textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.textlink i{transition:transform .2s ease;}
.textlink:hover i{transform:translateX(3px);}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:600px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.card-grid{grid-template-columns:repeat(3,1fr);}}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(43,35,64,.3);}
.post-cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);position:relative;}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-cover .badge-cat{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.post-body h3{
  font-size:17px;font-weight:700;line-height:1.55;margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:14px;color:var(--text-2);line-height:1.75;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);}

/* 空态 */
.empty-state{text-align:center;padding:48px 20px;}
.empty-state i{font-size:34px;color:#C9C4D4;}
.empty-state h3{font-size:19px;font-weight:700;margin:16px 0 8px;}
.empty-state p{font-size:14.5px;color:var(--text-2);max-width:52ch;margin:0 auto 20px;}
.empty-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}

/* CTA 带 */
.cta-band{
  position:relative;background:var(--dark);color:#fff;overflow:hidden;
  padding:56px 0;border-radius:0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.18;pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:22px;align-items:flex-start;text-align:left;}
@media (min-width:768px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.8vw,30px);font-weight:800;margin-bottom:8px;}
.cta-inner p{color:rgba(255,255,255,.72);margin:0;font-size:15px;}

/* 返回分类 */
.back-row{margin-top:44px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.back-row .label{font-size:13px;color:var(--text-3);}
.back-row a.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--text-2);
}
.back-row a.pill:hover{border-color:var(--brand);color:var(--brand);}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
@media (min-width:600px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:992px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.8;max-width:34ch;color:rgba(255,255,255,.72);}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul li a:hover{color:var(--accent);}
.info-line{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--accent);}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.28s ease;z-index:1020;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:#3A2F55;}
.to-top:focus-visible{outline:3px solid rgba(43,35,64,.18);outline-offset:2px;}

/* 进场动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category1 */
:root{
  --brand:#2B2340;
  --brand-hover:#3A3055;
  --brand-active:#211A33;
  --accent:#B7E22B;
  --accent-hover:#A6CE24;
  --cyan:#14B8B0;
  --bg:#F6F5F8;
  --surface:#FFFFFF;
  --surface-alt:#EFEDF4;
  --dark:#1C1729;
  --text:#1A1626;
  --text-2:#5A5468;
  --text-3:#8E8899;
  --border:#E4E1EB;
  --danger:#D94F4F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-block:20px;
  --shadow-1:0 1px 2px rgba(28,23,41,.06);
  --shadow-2:0 14px 36px -14px rgba(28,23,41,.22);
  --maxw:1200px;
  --section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--cyan);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--text);letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:20px;padding-right:20px;}
.section{padding:var(--section) 0;}
.section-alt{background:var(--surface-alt);}
.section-white{background:var(--surface);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(183,226,43,.18);color:var(--brand);font-size:13px;font-weight:600;line-height:1.4;}
.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;}
h2.section-title{font-size:clamp(26px,3.2vw,38px);line-height:1.2;font-weight:800;}
.section-lead{color:var(--text-2);font-size:16px;max-width:760px;margin-top:14px;}
.section-head{margin-bottom:44px;}
.text-weak{color:var(--text-3);}
.divider{height:1px;background:var(--border);border:0;margin:0;}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--dark);color:rgba(255,255,255,.72);font-size:12.5px;line-height:1.5;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em;}
.topbar-domain:hover{color:var(--accent);}
.topbar-note{margin:0;color:rgba(255,255,255,.62);}
.topbar-actions{display:flex;align-items:center;gap:10px;}
.topbar-actions a{color:rgba(255,255,255,.82);}
.topbar-actions a:hover{color:var(--accent);}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(183,226,43,.18);}

/* ============ 主导航 ============ */
.mainnav{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .2s ease;}
.mainnav.is-scrolled{box-shadow:0 8px 24px -18px rgba(28,23,41,.45);}
.mainnav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s ease;}
.mainnav.is-scrolled .mainnav-inner{height:60px;}
.brand{display:flex;flex-direction:column;line-height:1.15;color:var(--brand);flex:0 0 auto;}
.brand-main{font-size:18px;font-weight:800;letter-spacing:.01em;}
.brand-sub{font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.06em;}
.brand:hover .brand-main{color:var(--brand-hover);}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-links a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--text);min-height:44px;line-height:32px;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.nav-links a:hover{color:var(--brand-hover);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{font-weight:700;color:var(--brand);}
.nav-links-cta{display:none;}
.nav-toggle{display:none;position:relative;z-index:1060;width:44px;height:44px;border:1px solid var(--border);border-radius:10px;background:#fff;align-items:center;justify-content:center;cursor:pointer;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand);position:relative;transition:.2s ease;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--brand);transition:.2s ease;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}
.nav-mask{position:fixed;inset:0;background:rgba(28,23,41,.45);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:1040;}
body.nav-open .nav-mask{opacity:1;visibility:visible;}
body.nav-open{overflow:hidden;}

/* ============ 按钮 ============ */
.btn-primary,.btn-accent,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:background-color .18s ease,color .18s ease,transform .18s ease,border-color .18s ease,box-shadow .18s ease;
  text-align:center;
}
.btn-primary{
  --bs-btn-bg:var(--brand);--bs-btn-border-color:var(--brand);--bs-btn-color:#fff;
  --bs-btn-hover-bg:var(--brand-hover);--bs-btn-hover-border-color:var(--brand-hover);--bs-btn-hover-color:#fff;
  --bs-btn-active-bg:var(--brand-active);--bs-btn-active-border-color:var(--brand-active);--bs-btn-active-color:#fff;
  --bs-btn-focus-shadow-rgb:43,35,64;
  background-color:var(--brand);border-color:var(--brand);color:#fff;
}
.btn-primary:hover{background-color:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-accent{background:var(--accent);color:var(--brand);border-color:var(--accent);font-weight:700;}
.btn-accent:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:var(--brand);transform:translateY(-1px);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:rgba(43,35,64,.06);color:var(--brand);}
.btn-primary:focus-visible,.btn-accent:focus-visible,.btn-ghost:focus-visible,.nav-links a:focus-visible,.nav-toggle:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(43,35,64,.18);
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.link-arrow .arw{transition:transform .18s ease;font-size:17px;line-height:1;}
.link-arrow:hover{color:var(--cyan);}
.link-arrow:hover .arw{transform:translateX(3px);}
.nav-cta{min-height:40px;padding:0 20px;font-size:14px;flex:0 0 auto;}

/* ============ 面包屑 ============ */
.breadcrumbs{padding:20px 0 0;font-size:14px;color:var(--text-3);}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumbs a{color:var(--text-3);}
.breadcrumbs a:hover{color:var(--brand);}
.breadcrumbs .sep{color:var(--border);}
.breadcrumbs .current{color:var(--text-2);font-weight:600;}

/* ============ Hero ============ */
.hero{padding:34px 0 var(--section);background:var(--bg);position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-80px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(183,226,43,.16),rgba(183,226,43,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center;}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.12;font-weight:900;letter-spacing:-.02em;margin:20px 0 18px;}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:30px;}
.trust-row{display:flex;flex-wrap:wrap;gap:26px;}
.trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-2);font-weight:500;}
.trust-item .dot{width:22px;height:22px;border-radius:7px;background:rgba(183,226,43,.28);display:inline-flex;align-items:center;justify-content:center;color:var(--brand);font-size:12px;font-weight:800;}
.hero-visual{position:relative;animation:floaty 7s ease-in-out infinite;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
.hero-visual .frame{position:relative;border-radius:var(--r-block);overflow:hidden;box-shadow:var(--shadow-2);aspect-ratio:4/3;background:var(--surface-alt);}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.hero-float-card{
  position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-card);padding:16px 18px;box-shadow:var(--shadow-2);max-width:260px;
}
.hero-float-card .fc-label{font-size:12px;color:var(--text-3);letter-spacing:.04em;margin-bottom:6px;}
.hero-float-card .fc-title{font-size:15px;font-weight:700;line-height:1.5;}
.hero-badge{
  position:absolute;top:18px;right:-14px;background:var(--accent);color:var(--brand);
  border-radius:999px;padding:8px 16px;font-size:13px;font-weight:800;box-shadow:var(--shadow-1);
}

/* ============ Zigzag ============ */
.zigzag{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;padding:52px 0;}
.zigzag + .zigzag{border-top:1px solid var(--border);}
.zigzag.reverse .zz-text{order:2;}
.zigzag.reverse .zz-media{order:1;}
.zz-index{font-size:14px;font-weight:800;letter-spacing:.14em;color:var(--accent);-webkit-text-stroke:.4px rgba(43,35,64,.28);}
.zz-text h3{font-size:clamp(20px,2.2vw,26px);line-height:1.35;margin:12px 0 14px;font-weight:800;}
.zz-text p{color:var(--text-2);font-size:16px;}
.zz-media{position:relative;border-radius:var(--r-block);overflow:hidden;aspect-ratio:16/11;background:var(--surface-alt);box-shadow:var(--shadow-1);}
.zz-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.zz-media:hover img{transform:scale(1.03);}
.zz-media .tag{
  position:absolute;left:16px;top:16px;background:rgba(255,255,255,.94);color:var(--brand);
  border-radius:999px;padding:6px 14px;font-size:12px;font-weight:700;letter-spacing:.02em;
}

/* ============ 流程条 ============ */
.flow-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.flow-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.flow-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(43,35,64,.3);}
.flow-num{font-size:34px;font-weight:900;color:var(--accent);line-height:1;letter-spacing:-.02em;}
.flow-card h3{font-size:17px;font-weight:700;margin:14px 0 8px;}
.flow-card p{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.75;}

/* ============ 核对清单 ============ */
.check-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;align-items:start;}
.check-list{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:12px 26px;box-shadow:var(--shadow-1);}
.check-list li{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--border);font-size:15.5px;color:var(--text-2);line-height:1.7;}
.check-list li:last-child{border-bottom:0;}
.check-mark{flex:0 0 auto;width:22px;height:22px;margin-top:4px;border-radius:6px;background:rgba(183,226,43,.3);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;}
.tip-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-block);overflow:hidden;box-shadow:var(--shadow-1);}
.tip-card .tip-media{aspect-ratio:16/10;overflow:hidden;background:var(--surface-alt);}
.tip-card .tip-media img{width:100%;height:100%;object-fit:cover;}
.tip-card .tip-body{padding:26px 24px;}
.tip-card h3{font-size:19px;margin-bottom:12px;}
.tip-list li{position:relative;padding-left:18px;font-size:14.8px;color:var(--text-2);line-height:1.8;margin-bottom:10px;}
.tip-list li:last-child{margin-bottom:0;}
.tip-list li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--accent);}

/* ============ CTA 带 ============ */
.cta-band{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:64px 0;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.18;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.72);margin:0;font-size:15.5px;max-width:560px;}
.cta-inner .btn-accent{flex:0 0 auto;min-height:50px;padding:0 30px;font-size:16px;}

/* ============ 跨分类链接 ============ */
.cross-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.cross-link{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--shadow-1);min-height:72px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cross-link:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(43,35,64,.3);color:var(--brand);}
.cross-link .cl-name{font-size:16px;font-weight:700;color:var(--text);}
.cross-link:hover .cl-name{color:var(--brand);}
.cross-link .cl-note{display:block;font-size:13px;color:var(--text-3);font-weight:400;margin-top:4px;}
.cross-link .cl-arw{color:var(--accent);font-size:18px;font-weight:800;transition:transform .18s ease;}
.cross-link:hover .cl-arw{transform:translateX(3px);}
.cross-link.is-current{border-color:var(--brand);background:rgba(43,35,64,.03);}
.cross-link.is-current .cl-arw{color:var(--brand);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:36px;padding-bottom:44px;}
.site-footer .brand-main{color:#fff;font-size:18px;}
.site-footer .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand p{margin-top:16px;max-width:320px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--accent);}
.info-line{display:block;margin-bottom:10px;color:rgba(255,255,255,.7);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--accent);}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;z-index:1020;font-size:18px;font-weight:700;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-hover);color:#fff;}

/* ============ 进场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--maxw:100%;}
}
@media (max-width:991.98px){
  :root{--section:56px;}
  .topbar-note{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-links{
    position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 120px;margin:0;overflow-y:auto;z-index:1050;
    transform:translateX(105%);transition:transform .28s ease;
    box-shadow:-16px 0 40px -20px rgba(28,23,41,.4);
  }
  body.nav-open .nav-links{transform:translateX(0);}
  .nav-links li{width:100%;border-bottom:1px solid var(--border);}
  .nav-links a{display:block;font-size:18px;line-height:56px;min-height:56px;color:var(--text);}
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--brand);font-weight:700;}
  .nav-links-cta{display:block;border-bottom:0 !important;margin-top:24px;}
  .nav-links-cta a{
    background:var(--brand);color:#fff !important;border-radius:var(--r-btn);
    text-align:center;font-weight:700;font-size:16px;line-height:48px;min-height:48px;
  }
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .hero{overflow:visible;}
  .hero-visual .frame{aspect-ratio:16/10;}
  .hero-float-card{left:12px;bottom:14px;max-width:240px;padding:14px 16px;}
  .hero-badge{right:12px;top:12px;}
  .zigzag{grid-template-columns:minmax(0,1fr);gap:28px;padding:40px 0;}
  .zigzag.reverse .zz-text{order:1;}
  .zigzag.reverse .zz-media{order:2;}
  .flow-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .check-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .cross-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{flex-direction:column;align-items:flex-start;text-align:left;}
  .cta-inner .btn-accent{width:100%;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:575.98px){
  .topbar{font-size:12px;}
  .topbar-inner{gap:12px;}
  .brand-main{font-size:16px;}
  .hero{padding-top:24px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%;}
  .trust-row{gap:14px;}
  .trust-item{font-size:13.5px;}
  .flow-row{grid-template-columns:minmax(0,1fr);}
  .cross-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .check-list{padding:6px 18px;}
  .tip-card .tip-body{padding:22px 18px;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --brand:#2B2340;
  --brand-soft:rgba(43,35,64,.3);
  --accent:#B7E22B;
  --accent-dark:#a3cc22;
  --cyan:#14B8B0;
  --bg:#F6F5F8;
  --bg-alt:#EFEDF4;
  --dark:#1C1729;
  --text:#1A1626;
  --text-2:#5A5468;
  --text-3:#8E8899;
  --line:#E4E1EB;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(28,23,41,.06);
  --shadow-2:0 14px 36px -14px rgba(28,23,41,.22);
  --danger:#D94F4F;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--cyan);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(43,35,64,.18);outline-offset:2px;}

.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 顶部信息条 ---------- */
.site-header{position:sticky;top:0;z-index:1030;}
.topbar{background:var(--dark);height:38px;display:flex;align-items:center;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.topbar-domain{color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.03em;}
.topbar-domain:hover{color:var(--accent);}
.topbar-note{margin:0;font-size:12.5px;color:rgba(255,255,255,.72);line-height:1.4;}
.topbar-actions{display:flex;align-items:center;gap:8px;}
.topbar-actions a{font-size:12.5px;color:rgba(255,255,255,.72);}
.topbar-actions a:hover{color:var(--accent);}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(183,226,43,.18);display:inline-block;}

/* ---------- 主导航 ---------- */
.mainnav{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease;}
.site-header.is-stuck .mainnav{box-shadow:0 8px 24px -18px rgba(28,23,41,.5);}
.mainnav-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height .22s ease;}
.site-header.is-stuck .mainnav-inner{height:60px;}
.brand{display:flex;flex-direction:column;line-height:1.12;color:var(--brand);font-weight:800;flex:none;}
.brand:hover{color:var(--brand);}
.brand-main{font-size:19px;letter-spacing:-.01em;}
.brand-sub{font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.06em;}
.nav-links{display:flex;align-items:stretch;height:100%;gap:2px;margin-left:auto;}
.nav-links li{display:flex;}
.nav-links li a{
  display:flex;align-items:center;padding:0 14px;font-size:15px;font-weight:600;
  color:var(--text-2);border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.nav-links li a:hover{color:var(--brand);}
.nav-links li a.active{color:var(--brand);border-bottom-color:var(--accent);}
.drawer-cta{display:none;}

/* ---------- 按钮 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  background-color:var(--brand);border:1px solid var(--brand);
  color:#fff;font-size:15px;font-weight:600;line-height:1;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary:hover,.btn-primary:focus{background-color:#3a3057;border-color:#3a3057;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  background-color:var(--accent);border:1px solid var(--accent);
  color:var(--brand);font-size:15px;font-weight:700;line-height:1;
  transition:background-color .18s ease,transform .18s ease;
}
.btn-accent:hover,.btn-accent:focus{background-color:var(--accent-dark);border-color:var(--accent-dark);color:var(--brand);transform:translateY(-2px);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid var(--brand-soft);color:var(--brand);font-size:15px;font-weight:600;line-height:1;
  transition:border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.btn-ghost:hover,.btn-ghost:focus{border-color:var(--brand);background:rgba(43,35,64,.05);color:var(--brand);transform:translateY(-1px);}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid rgba(255,255,255,.32);color:#fff;font-size:15px;font-weight:600;line-height:1;
  transition:border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.btn-ghost-light:hover,.btn-ghost-light:focus{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);}
.nav-cta{flex:none;height:40px;padding:0 20px;font-size:14px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.text-link i{transition:transform .18s ease;font-size:12px;}
.text-link:hover{color:var(--cyan);}
.text-link:hover i{transform:translateX(3px);}

/* ---------- 标签与徽章 ---------- */
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:rgba(43,35,64,.06);color:var(--brand);font-size:12px;font-weight:600;line-height:1.4;
}
.tag-pill.accent{background:rgba(183,226,43,.18);color:var(--brand);}
.tag-pill.cyan{background:transparent;border:1px solid rgba(20,184,176,.5);color:#0f8d88;}
.tag-pill.on-dark{background:rgba(255,255,255,.12);color:#fff;}
.badge-step{
  display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:24px;
  padding:0 8px;border-radius:999px;background:var(--accent);color:var(--brand);font-size:12px;font-weight:700;
}

/* ---------- 分类横幅 ---------- */
.page-banner{
  position:relative;
  background-image:linear-gradient(90deg,rgba(28,23,41,.86),rgba(28,23,41,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:92px 0 78px;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--accent),rgba(183,226,43,.1));
}
.breadcrumb-line{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:18px;}
.breadcrumb-line a{color:rgba(255,255,255,.72);}
.breadcrumb-line a:hover{color:var(--accent);}
.breadcrumb-line span.sep{margin:0 8px;color:rgba(255,255,255,.36);}
.page-banner h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.14;font-weight:900;letter-spacing:-.02em;
  margin:16px 0 18px;max-width:16em;
}
.banner-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);max-width:52em;margin:0 0 26px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.banner-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;font-size:13px;color:rgba(255,255,255,.6);}
.banner-meta span{display:inline-flex;align-items:center;gap:6px;}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:#fff;}
.section-dark{background:var(--dark);color:#fff;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--accent);border-radius:2px;}

/* ---------- 概览区 ---------- */
.overview-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;}
.overview-text h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
.overview-text p{color:var(--text-2);}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.note-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
}
.note-card h3{font-size:19px;margin-bottom:14px;}
.note-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text-2);}
.note-list li:last-child{border-bottom:0;padding-bottom:0;}
.note-list li i{color:var(--cyan);margin-top:6px;font-size:13px;}
.note-list li strong{color:var(--text);font-weight:700;}

/* ---------- 玩法条目双列网格（横向卡片） ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.plan-card{
  display:grid;grid-template-columns:186px minmax(0,1fr);gap:20px;align-items:stretch;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-soft);}
.plan-media{border-radius:var(--radius-img);overflow:hidden;background:var(--bg-alt);}
.plan-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .35s ease;}
.plan-card:hover .plan-media img{transform:scale(1.04);}
.plan-body{display:flex;flex-direction:column;gap:8px;padding:4px 4px 4px 0;}
.plan-body h3{font-size:19px;line-height:1.4;}
.plan-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0;}
.plan-body .tag-pill{align-self:flex-start;}

/* ---------- 节奏图文块 ---------- */
.rhythm-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.rhythm-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);}
.rhythm-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.rhythm-text h2{font-size:clamp(24px,3vw,32px);margin-bottom:16px;}
.rhythm-text p{color:var(--text-2);}
.rhythm-steps{margin-top:26px;display:grid;gap:14px;}
.rhythm-steps li{display:flex;gap:14px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.rhythm-steps li .idx{
  flex:none;width:32px;height:32px;border-radius:50%;background:rgba(183,226,43,.22);
  color:var(--brand);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;
}

/* ---------- 误区清单 ---------- */
.mis-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.mis-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mis-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-soft);}
.mis-item .mark{
  flex:none;width:40px;height:40px;border-radius:12px;background:rgba(43,35,64,.06);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:16px;
}
.mis-item h3{font-size:17px;margin-bottom:8px;}
.mis-item p{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:12px 28px;box-shadow:var(--shadow-1);}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;border-radius:0;}
.accordion-item:last-child{border-bottom:0;}
.accordion-button{
  background:transparent;color:var(--text);font-size:18px;font-weight:600;line-height:1.6;
  padding:22px 44px 22px 0;box-shadow:none;border:0;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(43,35,64,.18);border-color:transparent;z-index:1;}
.accordion-button::after{
  content:"+";background-image:none;width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  font-size:20px;line-height:1;color:var(--brand);margin-left:auto;flex:none;transition:transform .22s ease-out;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{padding:0 40px 22px 0;font-size:15px;color:var(--text-2);line-height:1.8;}

/* ---------- CTA 深色带 ---------- */
.cta-band{
  position:relative;background-color:var(--dark);color:#fff;overflow:hidden;
  background-image:linear-gradient(90deg,rgba(28,23,41,.92),rgba(28,23,41,.86)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:66px 0;}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.72);margin:0;font-size:15.5px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none;}

/* ---------- 跨分类链接 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-top:8px;}
.cross-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;font-size:15px;font-weight:600;color:var(--brand);box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .18s ease;
}
.cross-link i{color:var(--text-3);font-size:12px;transition:transform .18s ease,color .18s ease;}
.cross-link:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-soft);color:var(--brand);}
.cross-link:hover i{transform:translateX(3px);color:var(--cyan);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:22em;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.03em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul li a:hover{color:var(--accent);}
.info-line{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 回到顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);z-index:1040;border:0;
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:#3a3057;color:#fff;}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease;}
.reveal.is-visible{opacity:1;transform:none;}

.nav-mask{
  position:fixed;inset:0;background:rgba(28,23,41,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:1045;
}
.nav-mask.show{opacity:1;visibility:visible;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;margin-left:8px;flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative;transition:background .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);transition:transform .22s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .plan-grid{gap:20px;}
  .plan-card{grid-template-columns:160px minmax(0,1fr);}
}
@media (max-width:991.98px){
  .section{padding:56px 0;}
  .topbar-note{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:86%;max-width:360px;
    flex-direction:column;align-items:stretch;gap:0;background:#fff;
    padding:90px 20px calc(28px + env(safe-area-inset-bottom));
    transform:translateX(100%);transition:transform .28s ease;
    z-index:1050;box-shadow:-14px 0 42px -22px rgba(28,23,41,.5);overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links li{display:block;}
  .nav-links li a{
    height:56px;padding:0 12px;font-size:18px;border-bottom:1px solid var(--line);border-left:2px solid transparent;
    border-bottom-width:1px;
  }
  .nav-links li a.active{border-bottom-color:var(--line);border-left-color:var(--accent);}
  .drawer-cta{display:block;margin-top:auto;}
  .drawer-cta a{
    height:50px;justify-content:center;background:var(--brand);color:#fff;border-radius:10px;
    font-size:16px;font-weight:600;border:0;margin-top:20px;
  }
  .drawer-cta a:hover{color:#fff;background:#3a3057;}
  .overview-grid{grid-template-columns:1fr;gap:28px;}
  .plan-grid{grid-template-columns:1fr;}
  .rhythm-grid{grid-template-columns:1fr;gap:28px;}
  .mis-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;padding:52px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .page-banner{padding:64px 0 56px;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .page-banner h1{font-size:28px;}
  .banner-lead{font-size:15.5px;}
  .banner-actions .btn-primary,.banner-actions .btn-ghost,.banner-actions .btn-accent{width:100%;}
  .plan-card{grid-template-columns:1fr;padding:14px;}
  .plan-media img{aspect-ratio:16/10;}
  .faq-wrap{padding:8px 18px;}
  .accordion-button{font-size:16.5px;padding:18px 38px 18px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .back-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --brand:#2B2340;
  --brand-soft:rgba(43,35,64,.08);
  --accent:#B7E22B;
  --accent-deep:#a4d015;
  --cyan:#14B8B0;
  --bg:#F6F5F8;
  --bg-alt:#EFEDF4;
  --dark:#1C1729;
  --text:#1A1626;
  --text-2:#5A5468;
  --text-3:#8E8899;
  --border:#E4E1EB;
  --white:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:20px;
  --shadow-rest:0 1px 2px rgba(28,23,41,.06);
  --shadow-hover:0 14px 36px -14px rgba(28,23,41,.22);
  --gutter:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(43,35,64,.18);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
@media (min-width:1400px){.container{max-width:1280px;}}

h1,.h1{font-size:clamp(34px,5vw,58px);line-height:1.12;font-weight:900;letter-spacing:-.02em;color:var(--brand);}
h2,.h2{font-size:clamp(26px,3.2vw,38px);line-height:1.2;font-weight:800;color:var(--brand);letter-spacing:-.01em;}
h3{font-size:21px;line-height:1.4;font-weight:700;color:var(--brand);}
p{color:var(--text-2);}
.lead{font-size:17px;line-height:1.85;color:var(--text-2);}
.muted{color:var(--text-3);font-size:13.5px;}

/* 顶部信息条 */
.topbar{background:var(--dark);color:rgba(255,255,255,.72);font-size:12.5px;height:38px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em;}
.topbar-domain:hover{color:var(--accent);}
.topbar-note{margin:0;color:rgba(255,255,255,.62);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-actions{display:flex;align-items:center;gap:10px;}
.topbar-actions a{color:rgba(255,255,255,.86);font-weight:500;}
.topbar-actions a:hover{color:var(--accent);}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;box-shadow:0 0 0 3px rgba(183,226,43,.18);}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:120;}
.mainnav{background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease;}
.site-header.is-stuck .mainnav{box-shadow:0 8px 24px -18px rgba(28,23,41,.45);}
.mainnav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .25s ease;}
.site-header.is-stuck .mainnav-inner{height:60px;}
.brand{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto;}
.brand-main{font-size:19px;font-weight:800;color:var(--brand);letter-spacing:-.01em;}
.brand-sub{font-size:12px;color:var(--text-3);letter-spacing:.06em;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:auto;}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:44px;font-size:15px;font-weight:500;color:var(--brand);}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{font-weight:700;}
.btn-primary,.nav-cta{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 24px;border-radius:var(--radius-btn);background:var(--brand);color:#fff;font-size:15px;font-weight:600;border:1px solid var(--brand);transition:background .2s ease,transform .2s ease,box-shadow .2s ease;}
.btn-primary:hover,.nav-cta:hover{background:#3a2f55;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active,.nav-cta:active{transform:translateY(1px);}
.nav-cta{height:40px;padding:0 18px;font-size:14px;}
.btn-accent{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;border-radius:var(--radius-btn);background:var(--accent);color:var(--brand);font-weight:800;font-size:15px;border:1px solid var(--accent);transition:background .2s ease,transform .2s ease,box-shadow .2s ease;}
.btn-accent:hover{background:var(--accent-deep);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;border-radius:var(--radius-btn);background:transparent;border:1px solid var(--brand);color:var(--brand);font-weight:600;font-size:15px;transition:background .2s ease,color .2s ease,transform .2s ease;}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.42);color:#fff;}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);color:#fff;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand);font-size:15px;}
.text-link i{transition:transform .2s ease;}
.text-link:hover{color:var(--cyan);}
.text-link:hover i{transform:translateX(3px);}
.nav-toggle{display:none;position:relative;width:44px;height:44px;border:1px solid var(--border);border-radius:10px;background:#fff;margin-left:auto;cursor:pointer;}
.nav-toggle::before,.nav-toggle::after,.nav-toggle span{content:"";position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--brand);transition:.22s ease;}
.nav-toggle::before{top:15px;}
.nav-toggle span{top:21px;}
.nav-toggle::after{top:27px;}
.nav-toggle[aria-expanded="true"]::before{top:21px;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span{opacity:0;}
.nav-toggle[aria-expanded="true"]::after{top:21px;transform:rotate(-45deg);}

/* 抽屉 */
.nav-drawer{position:fixed;top:0;right:0;width:86%;max-width:360px;height:100%;background:#fff;z-index:200;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border);}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--brand);font-size:18px;cursor:pointer;}
.drawer-list{margin-top:8px;}
.drawer-list a{display:flex;align-items:center;height:56px;font-size:18px;font-weight:600;color:var(--brand);border-bottom:1px solid var(--border);}
.drawer-list a.active{color:var(--brand);}
.drawer-list a.active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:12px;}
.drawer-cta{margin-top:auto;width:100%;}
.drawer-mask{position:fixed;inset:0;background:rgba(28,23,41,.45);opacity:0;visibility:hidden;transition:.28s ease;z-index:190;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* 窄标题区 */
.page-head{background:var(--bg-alt);border-bottom:1px solid var(--border);padding:44px 0 46px;}
.crumbs{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#C9C5D4;}
.crumbs .current{color:var(--text-2);}
.page-head .h1{margin-bottom:16px;}
.page-head .lead{max-width:760px;font-size:17px;}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;background:rgba(183,226,43,.2);color:var(--brand);border:1px solid rgba(183,226,43,.5);}
.tag.soft{background:#fff;border-color:var(--border);color:var(--text-2);font-weight:500;}

/* 锚点 chips */
.section{padding:88px 0;}
.section.tight{padding:56px 0;}
.section.alt{background:var(--bg-alt);}
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;}
.chip{display:inline-flex;align-items:center;min-height:44px;padding:8px 18px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:14px;font-weight:500;color:var(--text-2);transition:.2s ease;}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}

.section-head{max-width:720px;margin-bottom:44px;}
.section-head .h2{margin-bottom:14px;}
.section-head p{font-size:16px;}

/* 时间轴 / 步骤流 */
.timeline{position:relative;margin-top:8px;}
.timeline-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:24px;padding-bottom:34px;}
.timeline-item::before{content:"";position:absolute;left:23px;top:58px;bottom:0;width:1px;background:var(--border);}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item:last-child::before{display:none;}
.timeline-num{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:900;color:var(--brand);background:rgba(183,226,43,.22);border:1px solid rgba(183,226,43,.65);letter-spacing:.02em;}
.timeline-body{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:22px 26px;box-shadow:var(--shadow-rest);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.timeline-item:hover .timeline-body{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(43,35,64,.3);}
.timeline-body h3{font-size:20px;margin-bottom:8px;}
.timeline-body p{font-size:15.5px;margin-bottom:0;}
.timeline-meta{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:13px;color:var(--text-3);}
.timeline-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9C5D4;}

/* 高频追问 */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.qa-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-rest);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.qa-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(43,35,64,.3);}
.qa-card h3{font-size:18px;margin-bottom:10px;display:flex;gap:10px;}
.qa-card h3 i{color:var(--accent);font-size:16px;line-height:1.6;}
.qa-card p{font-size:15px;margin-bottom:0;}

/* 图文准备区 */
.prep-grid{display:grid;grid-template-columns:5fr 6fr;gap:48px;align-items:center;}
.media-cover{border-radius:var(--radius-card);overflow:hidden;aspect-ratio:16/10;background:var(--bg-alt);box-shadow:var(--shadow-rest);}
.media-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.media-cover:hover img{transform:scale(1.04);}
.check-list{margin-top:26px;display:grid;gap:16px;}
.check-list li{display:grid;grid-template-columns:24px 1fr;gap:14px;align-items:start;}
.check-list .marker{width:12px;height:12px;border-radius:3px;background:var(--accent);margin-top:9px;}
.check-list strong{display:block;font-size:16px;color:var(--brand);font-weight:700;margin-bottom:4px;}
.check-list span{font-size:15px;color:var(--text-2);}

/* CTA 带 */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-block);padding:52px;background-color:var(--dark);background-image:linear-gradient(rgba(28,23,41,.86),rgba(28,23,41,.86)),url(/assets/images/backpic/back-2.png);background-size:cover;background-position:center;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 跨分类 */
.cross-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:12px;}
.cross-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-rest);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;min-height:100%;}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(43,35,64,.3);}
.cross-card .badge-cat{align-self:flex-start;display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;background:var(--brand-soft);color:var(--brand);border:1px solid transparent;}
.cross-card h3{font-size:17px;}
.cross-card p{font-size:14px;margin-bottom:0;color:var(--text-3);}
.cross-card .text-link{margin-top:auto;font-size:14px;}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);}
.site-footer .brand-main{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.5);}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14.5px;margin-top:16px;max-width:300px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col a:hover{color:var(--accent);}
.info-line{display:block;font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:12px;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0 28px;font-size:13.5px;color:rgba(255,255,255,.55);flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,255,255,.75);}
.footer-bottom a:hover{color:var(--accent);}

/* 回到顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--brand);color:#fff;border:0;display:flex;align-items:center;justify-content:center;font-size:16px;cursor:pointer;opacity:0;visibility:hidden;transition:.28s ease;z-index:150;box-shadow:var(--shadow-hover);}
.to-top.is-visible{opacity:1;visibility:visible;}
.to-top:hover{background:#3a2f55;transform:translateY(-2px);}

/* 进场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* 响应式 */
@media (max-width:1199px){
  .cross-links{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:block;}
  .mainnav-inner{justify-content:space-between;}
  .section{padding:56px 0;}
  .prep-grid{grid-template-columns:1fr;gap:32px;}
  .qa-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .topbar-note{display:none;}
  .page-head{padding:32px 0 34px;}
  .timeline-item{grid-template-columns:40px 1fr;gap:16px;}
  .timeline-num{width:40px;height:40px;font-size:14px;}
  .timeline-item::before{left:19px;top:50px;}
  .timeline-body{padding:20px;}
  .cross-links{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn-accent,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  h1,.h1{font-size:30px;}
  .brand-main{font-size:17px;}
  .qa-card{padding:20px;}
  .footer-grid{gap:24px;}
}

/* roulang page: category5 */
:root{
  --brand:#2B2340;
  --brand-deep:#1C1729;
  --accent:#B7E22B;
  --teal:#14B8B0;
  --bg:#F6F5F8;
  --bg-alt:#EFEDF4;
  --surface:#FFFFFF;
  --text:#1A1626;
  --text-2:#5A5468;
  --text-3:#8E8899;
  --line:#E4E1EB;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:20px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(28,23,41,.06);
  --shadow-2:0 14px 36px -14px rgba(28,23,41,.22);
  --section-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;font-weight:800}
p+p{margin-top:1.2em}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(43,35,64,.18);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1400px){.container{max-width:1280px}}
.section{padding:var(--section-y) 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--surface)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-deep);color:rgba(255,255,255,.72);font-size:12.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em}
.topbar-domain:hover{color:var(--accent)}
.topbar-note{margin:0;color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-actions{display:flex;align-items:center;gap:8px}
.topbar-actions a{color:rgba(255,255,255,.8)}
.topbar-actions a:hover{color:var(--accent)}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(183,226,43,.16)}

/* ---------- 主导航 ---------- */
.mainnav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;transition:box-shadow .25s ease}
.site-header.is-scrolled .mainnav{box-shadow:0 6px 20px -14px rgba(28,23,41,.35)}
.mainnav-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .mainnav-inner{height:60px}
.brand{display:flex;flex-direction:column;line-height:1.15;padding:6px 0}
.brand-main{font-size:19px;font-weight:800;color:var(--brand);letter-spacing:-.01em}
.brand-sub{font-size:12px;color:var(--text-3);font-weight:500;letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{position:relative;display:flex;align-items:center;min-height:44px;padding:0 12px;font-size:15px;color:var(--text-2);border-radius:8px}
.nav-links a:hover{color:var(--brand);background:var(--bg-alt)}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:8px;height:2px;background:var(--accent);border-radius:2px}
.btn-primary,.btn-accent,.btn-ghost,.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background-color .2s ease,transform .18s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#3A2F54;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:var(--brand);font-weight:700}
.btn-accent:hover{background:#A8D220;color:var(--brand);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-accent:active{transform:translateY(1px)}
.btn-outline{background:transparent;color:var(--brand);border:1px solid rgba(43,35,64,.55)}
.btn-outline:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-1px)}
.nav-cta{min-height:40px;height:40px;padding:0 18px;font-size:14.5px;flex:0 0 auto}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);min-height:44px}
.link-more span{transition:transform .2s ease}
.link-more:hover{color:var(--teal)}
.link-more:hover span{transform:translateX(3px)}
.nav-toggle{display:none;position:relative;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);flex:0 0 auto}
.nav-toggle span{position:absolute;left:12px;right:12px;top:50%;height:2px;background:var(--brand);border-radius:2px;transform:translateY(-1px)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--brand);border-radius:2px}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}

/* ---------- 页面头部 ---------- */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:40px 0 64px;position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;right:-120px;top:-140px;width:360px;height:360px;border-radius:50%;background:rgba(183,226,43,.14);pointer-events:none}
.breadcrumb-nav{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb-nav a{color:var(--text-3)}
.breadcrumb-nav a:hover{color:var(--brand)}
.breadcrumb-nav .current{color:var(--text-2)}
.breadcrumb-nav .sep{color:var(--line)}
.page-head-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:48px;align-items:start;position:relative;z-index:1}
.pill{display:inline-block;padding:5px 14px;border-radius:var(--radius-pill);background:rgba(183,226,43,.18);color:var(--brand);font-size:12.5px;font-weight:700;letter-spacing:.04em}
.page-head h1{font-size:clamp(34px,5vw,58px);font-weight:900;letter-spacing:-.02em;line-height:1.12;margin:18px 0 16px;color:var(--brand)}
.page-head .lead{font-size:16.5px;color:var(--text-2);max-width:640px}
.head-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:28px}
.head-aside{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-block);padding:26px 26px 22px}
.head-aside h2{font-size:15px;font-weight:700;color:var(--brand);letter-spacing:.02em}
.head-aside .stamp{font-size:12.5px;color:var(--text-3);margin-top:2px}
.head-aside ul{margin-top:18px;display:grid;gap:12px}
.head-aside li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.dot{flex:0 0 auto;width:8px;height:8px;border-radius:2px;background:var(--accent);margin-top:9px}
.head-aside .aside-foot{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3)}

/* ---------- 指标条 ---------- */
.metrics-band{background:var(--bg-alt);padding:56px 0}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease}
.metric:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.metric .num{font-size:clamp(28px,3vw,38px);font-weight:900;color:var(--brand);letter-spacing:-.02em;line-height:1.1}
.metric .bar{width:34px;height:3px;border-radius:2px;background:var(--accent);margin:12px 0 10px}
.metric .lab{font-size:14px;color:var(--text-3)}

/* ---------- 通用标题行 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;letter-spacing:-.015em;color:var(--brand)}
.section-head .sub{font-size:15px;color:var(--text-2);margin-top:10px;max-width:640px}

/* ---------- 对照表 ---------- */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:#fff;box-shadow:var(--shadow-1)}
.table-scroll{overflow-x:auto}
.cmp-table{width:100%;border-collapse:collapse;font-size:15px;min-width:620px}
.cmp-table th{background:var(--brand);color:#fff;text-align:left;padding:16px 22px;font-size:14.5px;font-weight:600;letter-spacing:.02em}
.cmp-table td{padding:16px 22px;border-top:1px solid var(--line);color:var(--text-2);vertical-align:top;line-height:1.75}
.cmp-table tbody tr:nth-child(even){background:var(--bg-alt)}
.cmp-table td:first-child{width:32%;color:var(--text);font-weight:600}
.table-note{margin-top:16px;font-size:13.5px;color:var(--text-3)}

/* ---------- 更新卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(43,35,64,.3)}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .38s ease}
.news-card:hover .thumb img{transform:scale(1.04)}
.news-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{display:inline-block;padding:4px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-soft{background:rgba(43,35,64,.08);color:var(--brand)}
.badge-line{background:transparent;border:1px solid rgba(20,184,176,.5);color:#0E8B85}
.news-card h3{font-size:20px;font-weight:700;color:var(--brand);line-height:1.45}
.news-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.card-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.card-meta .arrow{transition:transform .2s ease;color:var(--brand);font-weight:600}
.news-card:hover .card-meta .arrow{transform:translateX(3px)}

/* ---------- 跨分类链接 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cross-item{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:64px;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.cross-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(43,35,64,.3)}
.cross-item .t{font-size:16px;font-weight:600;color:var(--brand)}
.cross-item .d{font-size:13px;color:var(--text-3);margin-top:2px}
.cross-item .arrow{color:var(--brand);transition:transform .2s ease}
.cross-item:hover .arrow{transform:translateX(3px)}
.cross-back{margin-top:28px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(rgba(28,23,41,.86),rgba(28,23,41,.86)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;padding:72px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;color:#fff;letter-spacing:-.015em}
.cta-inner p{margin-top:10px;font-size:15.5px;color:rgba(255,255,255,.72);max-width:560px}
.cta-band .btn-accent:hover{transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.footer-brand .brand{padding:0}
.footer-brand .brand-main{color:#fff;font-size:20px}
.footer-brand .brand-sub{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:16px;max-width:330px;line-height:1.8;color:rgba(255,255,255,.72)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent)}
.info-line{display:block;margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:rgba(255,255,255,.55);flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 浮动组件 ---------- */
.back-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;z-index:40;font-size:18px;
}
.back-top.is-on{opacity:1;visibility:visible;transform:none}
.back-top:hover{background:#3A2F54}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;height:56px;padding-bottom:env(safe-area-inset-bottom);
  background:#fff;border-top:1px solid var(--line);display:none;align-items:center;justify-content:center;
  z-index:45;transform:translateY(110%);transition:transform .28s ease;
}
.mobile-bar.is-on{transform:none}
.mobile-bar a{min-height:44px;padding:0 22px;border-radius:var(--radius-btn);background:var(--brand);color:#fff;font-weight:600;display:inline-flex;align-items:center;gap:8px;font-size:15px}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media(max-width:1199.98px){
  .page-head-grid{grid-template-columns:1.4fr 1fr;gap:36px}
  .cross-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:991.98px){
  :root{--section-y:64px}
  .nav-toggle{display:block;margin-left:auto}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;top:0;right:0;width:86%;max-width:360px;height:100vh;height:100dvh;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:84px 24px calc(88px + env(safe-area-inset-bottom));
    transform:translateX(105%);transition:transform .3s ease;z-index:60;
    box-shadow:-24px 0 48px -28px rgba(28,23,41,.5);overflow-y:auto;
  }
  .nav-links a{font-size:18px;line-height:56px;min-height:56px;padding:0;border-bottom:1px solid var(--line);border-radius:0}
  .nav-links a.active{color:var(--brand);font-weight:700}
  .nav-links a.active::after{display:none}
  body.drawer-open{overflow:hidden}
  body.drawer-open::after{content:"";position:fixed;inset:0;background:rgba(28,23,41,.45);z-index:55}
  body.drawer-open .nav-links{transform:translateX(0)}
  .drawer-cta{
    position:fixed;left:auto;right:0;bottom:0;width:86%;max-width:360px;height:56px;
    display:none;align-items:center;justify-content:center;
    background:var(--brand);color:#fff;font-weight:600;border-radius:0;z-index:61;
    transform:translateX(105%);transition:transform .3s ease;
  }
  body.drawer-open .drawer-cta{transform:translateX(0)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .page-head-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .mobile-bar{display:flex}
  .back-top{bottom:76px;right:16px}
}
@media(max-width:767.98px){
  :root{--section-y:56px}
  .topbar-note{display:none}
  .section-head{margin-bottom:26px}
  .card-grid{grid-template-columns:1fr}
  .cross-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;text-align:left}
  .cta-band{padding:56px 0}
  .head-actions{gap:14px}
  .head-actions .btn-accent{flex:1 1 100%}
}
@media(max-width:520px){
  .metrics{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .page-head{padding:28px 0 48px}
  .page-head h1{margin:14px 0 12px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root{
  --ink:#2B2340;
  --ink-hover:#3A3055;
  --lime:#B7E22B;
  --lime-hover:#A8D31F;
  --cyan:#14B8B0;
  --bg:#F6F5F8;
  --bg-alt:#EFEDF4;
  --dark:#1C1729;
  --text:#1A1626;
  --text-2:#5A5468;
  --text-3:#8E8899;
  --border:#E4E1EB;
  --border-dark:rgba(255,255,255,.12);
  --white:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(28,23,41,.06);
  --sh-2:0 14px 36px -14px rgba(28,23,41,.22);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--cyan);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);font-weight:800;letter-spacing:-.01em;}
h1{font-size:clamp(34px,5vw,58px);line-height:1.12;font-weight:900;letter-spacing:-.02em;}
h2{font-size:clamp(26px,3.2vw,38px);line-height:1.2;}
h3{font-size:21px;line-height:1.4;font-weight:700;}
p{margin:0 0 1.2em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(43,35,64,.18);outline-offset:2px;}
body.no-scroll{overflow:hidden;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--dark);color:rgba(255,255,255,.72);font-size:12.5px;height:38px;display:flex;align-items:center;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em;font-size:12.5px;}
.topbar-domain:hover{color:var(--lime);}
.topbar-note{margin:0;color:rgba(255,255,255,.6);font-size:12.5px;}
.topbar-actions{display:flex;align-items:center;gap:8px;}
.topbar-actions a{color:rgba(255,255,255,.85);font-size:12.5px;}
.topbar-actions a:hover{color:var(--lime);}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(183,226,43,.2);display:inline-block;}
@media (max-width:767px){.topbar-note{display:none;}}

/* ---------- 主导航 ---------- */
.mainnav{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1030;transition:box-shadow .25s ease;}
.site-header.is-scrolled .mainnav{box-shadow:0 8px 26px -18px rgba(28,23,41,.5);}
.mainnav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .mainnav-inner{height:60px;}
.brand{display:flex;flex-direction:column;line-height:1.12;color:var(--ink);flex-shrink:0;}
.brand:hover{color:var(--ink);}
.brand-main{font-size:20px;font-weight:800;letter-spacing:-.01em;}
.brand-sub{font-size:12px;color:var(--text-3);font-weight:500;letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-links li{display:flex;}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;display:inline-block;}
.nav-links a:hover{color:var(--ink);}
.nav-links a.active{color:var(--ink);font-weight:700;}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--lime);}
.nav-cta{height:40px;padding:0 20px;font-size:14px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--border);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;margin:0 auto;}
.nav-toggle span::before{margin-top:-6px;}
.nav-toggle span::after{margin-top:12px;}
@media (max-width:991px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .mainnav-inner{height:64px;}
}

/* ---------- 按钮 ---------- */
.btn-primary,
.btn-primary:focus,
.btn-primary:active,
.btn-primary:focus-visible{
  background:var(--ink)!important;
  border:1px solid var(--ink)!important;
  color:#fff!important;
  box-shadow:none!important;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{background:var(--ink-hover)!important;border-color:var(--ink-hover)!important;transform:translateY(-1px);color:#fff!important;}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid var(--ink);background:transparent;color:var(--ink);
  font-size:15px;font-weight:600;transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-outline:hover{background:rgba(43,35,64,.06);color:var(--ink);transform:translateY(-1px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:var(--lime);border:1px solid var(--lime);color:var(--ink);
  font-size:15px;font-weight:700;transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{background:var(--lime-hover);border-color:var(--lime-hover);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(0);}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink);font-size:15px;}
.link-arrow i{font-size:13px;transition:transform .2s ease;}
.link-arrow:hover{color:var(--ink);}
.link-arrow:hover i{transform:translateX(3px);color:var(--cyan);}

/* ---------- 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:rgba(183,226,43,.18);color:var(--ink);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;
}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:var(--bg-alt);color:var(--ink);
  font-size:12px;font-weight:600;
}
.tag-outline{background:transparent;border:1px solid rgba(20,184,176,.45);color:#0E7C76;}

/* ---------- 下拉/抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(28,23,41,.45);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:1050;}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;
  background:#fff;z-index:1060;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .3s ease;
  box-shadow:-20px 0 40px -24px rgba(28,23,41,.5);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);}
.drawer-close{width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:var(--r-btn);color:var(--ink);font-size:18px;cursor:pointer;}
.drawer-close:hover{border-color:var(--ink);}
.drawer-links{padding:8px 20px;overflow-y:auto;flex:1;}
.drawer-links a{display:block;font-size:18px;line-height:56px;color:var(--text);border-bottom:1px solid var(--border);}
.drawer-links a.active{color:var(--ink);font-weight:700;}
.drawer-links a.active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--lime);margin-right:10px;vertical-align:middle;}
.drawer-foot{padding:16px 20px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--border);}
.drawer-foot .btn-accent{width:100%;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--white{background:#fff;}
.section--alt{background:var(--bg-alt);}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{margin-bottom:.5em;}
.sec-sub{color:var(--text-2);font-size:16px;margin:0;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 页面头部 ---------- */
.page-hero{position:relative;background:#fff;border-bottom:1px solid var(--border);padding:56px 0 64px;overflow:hidden;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  opacity:.07;
}
.page-hero::after{
  content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;
  background:rgba(183,226,43,.14);transform:rotate(24deg);border-radius:40px;
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:22px;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--ink);}
.crumbs .sep{color:#C9C5D4;}
.crumbs .current{color:var(--text-2);}
.page-hero h1{max-width:900px;margin-bottom:18px;}
.lede{max-width:720px;font-size:17px;line-height:1.85;color:var(--text-2);margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}
@media (max-width:576px){
  .hero-actions{gap:14px;}
  .hero-actions .btn-primary,.hero-actions .btn-outline{width:100%;}
}

/* ---------- 说明卡 ---------- */
.note-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.note-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.note-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(43,35,64,.3);}
.note-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16 / 10;margin-bottom:20px;background:var(--bg-alt);}
.note-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.note-card:hover .note-media img{transform:scale(1.04);}
.note-icon{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(183,226,43,.2);color:var(--ink);font-size:18px;margin-bottom:14px;
}
.note-card h3{margin-bottom:10px;}
.note-card p{color:var(--text-2);font-size:15px;margin:0;line-height:1.8;}
@media (max-width:768px){
  .note-grid{grid-template-columns:1fr;}
}

/* ---------- 三条强调短句 ---------- */
.keylines{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;}
.keyline{
  display:flex;align-items:center;gap:12px;margin:0;
  background:#fff;border:1px solid var(--border);border-left:4px solid var(--lime);
  border-radius:12px;padding:18px 20px;
  font-size:17px;font-weight:700;color:var(--ink);
  transition:transform .22s ease,box-shadow .22s ease;
}
.keyline:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.keyline i{color:var(--cyan);font-size:16px;}
@media (max-width:900px){.keylines{grid-template-columns:1fr;gap:12px;margin-top:36px;}}

/* ---------- FAQ 手风琴 ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:22px 0;text-align:left;cursor:pointer;
  font-size:18px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--ink-hover);}
.faq-q:focus,.faq-q:focus-visible{box-shadow:none;outline:3px solid rgba(43,35,64,.18);outline-offset:2px;border-radius:6px;}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-alt);color:var(--ink);font-size:12px;
  transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:rgba(183,226,43,.28);color:var(--ink);}
.faq-body{padding:0 44px 22px 0;font-size:15px;line-height:1.8;color:var(--text-2);max-width:560px;}
.faq-side{margin-bottom:36px;}
.faq-side .btn-primary{height:44px;padding:0 20px;font-size:14px;}
@media (max-width:900px){
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .faq-body{padding-right:0;}
}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center;}
.split-media{border-radius:var(--r-block);overflow:hidden;aspect-ratio:4 / 3;background:var(--bg-alt);box-shadow:var(--sh-1);}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-body h2{margin-bottom:.5em;}
.split-body > p{color:var(--text-2);}
.check-list{margin:26px 0 28px;display:grid;gap:18px;}
.check-list li{display:flex;gap:14px;align-items:flex-start;}
.check-list li i{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;margin-top:4px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(20,184,176,.12);color:#0E7C76;font-size:12px;
}
.check-list strong{display:block;font-size:17px;color:var(--ink);font-weight:700;margin-bottom:2px;}
.check-list span{display:block;font-size:15px;color:var(--text-2);line-height:1.75;}
@media (max-width:900px){
  .split{grid-template-columns:1fr;gap:32px;}
}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;background:var(--dark);padding:72px 0;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.18;
}
.cta-band .container{position:relative;z-index:2;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;}
.cta-inner h2{color:#fff;margin-bottom:8px;font-size:clamp(22px,2.6vw,30px);}
.cta-inner p{color:rgba(255,255,255,.72);margin:0;font-size:15px;}
@media (max-width:768px){
  .cta-band{padding:56px 0;}
  .cta-inner{flex-direction:column;text-align:center;align-items:stretch;gap:24px;}
  .cta-inner .btn-accent{width:100%;}
}

/* ---------- 分类链接组 ---------- */
.cat-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cat-link{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cat-link:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(43,35,64,.3);color:var(--ink);}
.cat-link strong{display:flex;align-items:center;gap:8px;font-size:17px;color:var(--ink);font-weight:700;margin-bottom:6px;}
.cat-link strong i{font-size:12px;color:var(--cyan);transition:transform .2s ease;}
.cat-link:hover strong i{transform:translateX(3px);}
.cat-link span{display:block;font-size:14px;color:var(--text-2);line-height:1.7;}
@media (max-width:900px){.cat-links{grid-template-columns:repeat(2,1fr);}}
@media (max-width:576px){.cat-links{grid-template-columns:1fr;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 24px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--border-dark);}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;margin:0;max-width:300px;}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.info-line{display:block;color:rgba(255,255,255,.72);font-size:14px;margin-bottom:10px;}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--lime);}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:576px){
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;}
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  border:0;background:var(--ink);color:#fff;font-size:16px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,background-color .2s ease;z-index:1040;
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{background:var(--ink-hover);}
@media (max-width:576px){.to-top{right:16px;bottom:16px;width:44px;height:44px;}}

/* ---------- 进场动效 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.js .reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .js .reveal{opacity:1!important;transform:none!important;}
}