/* roulang page: index */
:root{
  --primary:#14618C;
  --primary-strong:#0E4A6D;
  --primary-soft:#E8F1F7;
  --accent:#E8622C;
  --accent-strong:#C94E1D;
  --accent-soft:#FDEDE4;
  --ink:#12222C;
  --ink-2:#45596A;
  --ink-3:#7C8C99;
  --line:#E2E9EF;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --footer-bg:#0F1E27;
  --shadow-sm:0 1px 2px rgba(18,52,78,.05);
  --shadow-card:0 10px 30px -12px rgba(18,52,78,.14);
  --shadow-hover:0 18px 42px -16px rgba(18,52,78,.22);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --bs-primary:#14618C;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::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",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-strong);}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0 0 1.1em;padding-left:1.4em;}
li{margin-bottom:.4em;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid rgba(20,97,140,.25);
  outline-offset:2px;
  border-radius:6px;
}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}
.rz-section{padding:96px 0;}
.rz-section--tight{padding:72px 0;}
.rz-eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.08em;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:var(--radius-pill);
  padding:6px 14px;
  margin-bottom:18px;
}
.rz-h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;margin-bottom:16px;}
.rz-h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:10px;}
.rz-lead{font-size:16px;color:var(--ink-2);line-height:1.8;max-width:660px;}
.rz-muted{color:var(--ink-3);font-size:13px;letter-spacing:.02em;}

/* ============ 按钮 ============ */
.rz-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.rz-btn--accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm);}
.rz-btn--accent:hover{background:var(--accent-strong);color:#fff;transform:translateY(-1px);}
.rz-btn--primary{background:var(--primary);color:#fff;}
.rz-btn--primary:hover{background:var(--primary-strong);color:#fff;transform:translateY(-1px);}
.rz-btn--ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.rz-btn--ghost:hover{background:var(--primary-soft);color:var(--primary-strong);}
.rz-btn--sm{padding:9px 16px;font-size:14px;}
.rz-link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--primary);}
.rz-link-arrow i{font-style:normal;display:inline-block;transition:transform .2s ease;}
.rz-link-arrow:hover i{transform:translateX(3px);}

/* ============ 头部导航 ============ */
.rz-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease,backdrop-filter .2s ease;
}
.rz-header.is-scrolled{
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:0 6px 24px -18px rgba(18,52,78,.5);
}
.rz-header__inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;
}
.rz-brand{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto;}
.rz-brand__main{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.rz-brand__sub{font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:.16em;margin-top:3px;}
.rz-nav{display:flex;align-items:center;gap:28px;flex:1 1 auto;justify-content:center;}
.rz-nav__link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .18s ease;white-space:nowrap;
}
.rz-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.rz-nav__link:hover{color:var(--primary);}
.rz-nav__link:hover::after{transform:scaleX(1);}
.rz-nav__link.is-active{color:var(--primary);}
.rz-nav__link.is-active::after{transform:scaleX(1);}
.rz-header__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.rz-icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  transition:all .2s ease;
}
.rz-icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.rz-icon-btn svg{width:18px;height:18px;}
.rz-burger{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;
  border-radius:10px;padding:10px 9px;flex-direction:column;justify-content:space-between;cursor:pointer;
}
.rz-burger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:all .2s ease;}
.rz-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.rz-burger.is-open span:nth-child(2){opacity:0;}
.rz-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.rz-drawer{
  position:fixed;inset:0;z-index:1040;pointer-events:none;
}
.rz-drawer__mask{
  position:absolute;inset:0;background:rgba(15,30,39,.38);
  opacity:0;transition:opacity .24s ease;
}
.rz-drawer__panel{
  position:absolute;top:0;right:0;height:100%;width:82%;max-width:340px;
  background:#fff;padding:26px 22px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s ease;
  box-shadow:-18px 0 42px -22px rgba(18,52,78,.4);
}
.rz-drawer.is-open{pointer-events:auto;}
.rz-drawer.is-open .rz-drawer__mask{opacity:1;}
.rz-drawer.is-open .rz-drawer__panel{transform:translateX(0);}
.rz-drawer__title{font-size:13px;color:var(--ink-3);letter-spacing:.08em;margin-bottom:10px;}
.rz-drawer__link{
  display:block;font-size:16px;color:var(--ink);line-height:56px;
  border-bottom:1px solid var(--line);font-weight:500;
}
.rz-drawer__link:hover,.rz-drawer__link.is-active{color:var(--primary);}
.rz-drawer__cta{margin-top:22px;display:block;text-align:center;}

/* ============ Hero ============ */
.rz-hero{padding:72px 0 84px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);}
.rz-hero__grid{row-gap:44px;align-items:center;}
.rz-hero h1{font-size:clamp(30px,3.6vw,46px);line-height:1.25;font-weight:700;margin-bottom:18px;}
.rz-hero__sub{font-size:17px;color:var(--ink-2);line-height:1.75;max-width:520px;margin-bottom:26px;}
.rz-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.rz-hero__points{
  display:flex;flex-wrap:wrap;gap:0 18px;font-size:13px;color:var(--ink-3);letter-spacing:.02em;
}
.rz-hero__points span{position:relative;padding-left:14px;}
.rz-hero__points span::before{
  content:"";position:absolute;left:0;top:50%;width:6px;height:6px;margin-top:-3px;
  border-radius:50%;background:var(--primary);
}
.rz-hero__figure{position:relative;margin:0;}
.rz-hero__figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.rz-float-card{
  position:absolute;left:-18px;bottom:-22px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-hover);padding:14px 18px;min-width:172px;
}
.rz-float-card__num{font-size:26px;font-weight:700;color:var(--primary);line-height:1.1;}
.rz-float-card__num em{font-style:normal;color:var(--accent);}
.rz-float-card__label{font-size:12px;color:var(--ink-3);letter-spacing:.02em;margin-top:4px;}

/* ============ 信任条 ============ */
.rz-trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;}
.rz-trust__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px 30px;min-height:72px;padding:12px 0;
}
.rz-trust__item{
  font-size:14px;font-weight:600;color:#96A6B2;letter-spacing:.04em;
  transition:color .2s ease;
}
.rz-trust__item:hover{color:var(--ink-2);}

/* ============ 痛点区 ============ */
.rz-pain__grid{row-gap:36px;}
.rz-pain__side{position:sticky;top:104px;}
.rz-pain__list{border-top:1px solid var(--line);}
.rz-pain__item{
  display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);
  transition:transform .2s ease;
}
.rz-pain__item:hover{transform:translateX(4px);}
.rz-pain__num{
  font-size:15px;font-weight:700;color:var(--accent);flex:0 0 34px;
  letter-spacing:.04em;padding-top:3px;
}
.rz-pain__item h3{font-size:18px;margin-bottom:6px;}
.rz-pain__item p{font-size:15px;color:var(--ink-2);margin:0;}

/* ============ 解决方案 ============ */
.rz-solution{background:#fff;}
.rz-zigzag{row-gap:64px;}
.rz-zigzag__row{align-items:center;row-gap:28px;}
.rz-zigzag__figure img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.rz-zigzag__index{
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.14em;margin-bottom:12px;display:block;
}
.rz-zigzag h3{font-size:22px;margin-bottom:12px;}
.rz-zigzag p{font-size:15.5px;margin-bottom:16px;}
.rz-tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.rz-tag{
  font-size:12px;border-radius:var(--radius-pill);padding:5px 12px;
  background:var(--primary-soft);color:var(--primary);font-weight:600;letter-spacing:.02em;
}
.rz-tag--accent{background:var(--accent-soft);color:var(--accent);}

/* ============ 数据指标 ============ */
.rz-metrics{background:var(--bg);}
.rz-metric{padding-top:18px;border-top:2px solid var(--primary);}
.rz-metric__num{font-size:clamp(34px,4vw,50px);font-weight:700;line-height:1.1;color:var(--primary);}
.rz-metric__num em{font-style:normal;color:var(--accent);}
.rz-metric__unit{font-size:16px;font-weight:600;color:var(--ink-2);margin-left:4px;}
.rz-metric__label{font-size:13px;color:var(--ink-3);letter-spacing:.02em;margin-top:8px;}
.rz-metric__desc{font-size:14px;color:var(--ink-2);margin-top:10px;}

/* ============ 最新信息 ============ */
.rz-news__head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:36px;flex-wrap:wrap;
}
.rz-post{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.rz-post:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--primary-soft);}
.rz-post__thumb{
  height:150px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary-soft) 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
}
.rz-post__thumb svg{width:44px;height:44px;color:var(--primary);opacity:.55;}
.rz-post__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.rz-post__meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;}
.rz-post__title{font-size:18px;line-height:1.45;margin-bottom:10px;}
.rz-post__title a{color:var(--ink);}
.rz-post__title a:hover{color:var(--primary);}
.rz-post__excerpt{
  font-size:14.5px;color:var(--ink-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rz-post__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:14px;border-top:1px solid var(--line);
}
.rz-post__time{font-size:13px;color:var(--ink-3);letter-spacing:.02em;}
.rz-empty{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:#fff;padding:38px 26px;text-align:center;max-height:200px;
}
.rz-empty p{font-size:15px;color:var(--ink-2);margin-bottom:14px;}

/* ============ 证言 ============ */
.rz-voices{background:#fff;}
.rz-quote{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 30px 26px;height:100%;display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease;
}
.rz-quote:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.rz-quote__mark{
  font-size:44px;line-height:1;color:var(--primary-soft);font-weight:700;margin-bottom:6px;
}
.rz-quote p{font-size:15.5px;color:var(--ink-2);margin-bottom:22px;}
.rz-quote__who{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);}
.rz-quote__name{font-size:15px;font-weight:600;color:var(--ink);}
.rz-quote__role{font-size:13px;color:var(--ink-3);letter-spacing:.02em;margin-top:4px;}
.rz-voices__offset{margin-top:24px;}

/* ============ FAQ ============ */
.rz-faq__list{border-top:1px solid var(--line);}
.rz-faq__item{border-bottom:1px solid var(--line);}
.rz-faq__item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:20px 4px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.rz-faq__item summary::-webkit-details-marker{display:none;}
.rz-faq__item summary:hover{color:var(--primary);}
.rz-faq__icon{position:relative;width:14px;height:14px;flex:0 0 14px;}
.rz-faq__icon::before,.rz-faq__icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.rz-faq__icon::before{left:0;top:6px;width:14px;height:2px;}
.rz-faq__icon::after{left:6px;top:0;width:2px;height:14px;}
.rz-faq__item[open] .rz-faq__icon::after{transform:scaleY(0);opacity:0;}
.rz-faq__body{padding:0 40px 24px 4px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ============ 底部 CTA ============ */
.rz-cta-band{
  background:var(--primary-soft);border-radius:20px;padding:52px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.rz-cta-band h2{font-size:clamp(22px,2.3vw,28px);margin-bottom:10px;}
.rz-cta-band p{font-size:15.5px;color:var(--ink-2);max-width:560px;}
.rz-cta-band__actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.rz-footer{background:var(--footer-bg);color:#B9C6CF;margin-top:96px;padding-top:72px;}
.rz-footer__grid{row-gap:40px;}
.rz-footer__brand{font-size:19px;font-weight:700;color:#fff;letter-spacing:-.01em;}
.rz-footer__sub{font-size:11px;letter-spacing:.16em;color:#7C8C99;margin-top:6px;margin-bottom:16px;}
.rz-footer p{font-size:14px;color:#93A3AE;line-height:1.8;}
.rz-footer__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.rz-footer__tags span{
  font-size:12px;padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);color:#C9D5DC;
}
.rz-footer__title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.rz-footer__list{list-style:none;margin:0;padding:0;}
.rz-footer__list li{margin-bottom:12px;}
.rz-footer__list a{
  font-size:14px;color:#A9B8C2;display:inline-block;transition:color .18s ease,transform .18s ease;
}
.rz-footer__list a:hover{color:#fff;transform:translateX(2px);}
.rz-footer__text{font-size:14px;color:#A9B8C2;line-height:1.9;}
.rz-footer__bar{
  border-top:1px solid rgba(255,255,255,.08);margin-top:56px;padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C8C99;
}
.rz-footer__bar a{color:#9FB0BB;font-size:13px;}
.rz-footer__bar a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .rz-section{padding:76px 0;}
  .rz-nav{gap:20px;}
  .rz-nav__link{font-size:14px;}
}
@media (max-width:991.98px){
  .rz-nav{display:none;}
  .rz-burger{display:flex;}
  .rz-section{padding:64px 0;}
  .rz-hero{padding:52px 0 64px;}
  .rz-pain__side{position:static;}
  .rz-voices__offset{margin-top:0;}
  .rz-header__actions .rz-btn{display:none;}
  .rz-faq__body{padding-right:20px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .container{padding-left:16px;padding-right:16px;}
  .rz-section{padding:56px 0;}
  .rz-section--tight{padding:48px 0;}
  .rz-header__inner{height:60px;}
  .rz-brand__main{font-size:17px;}
  .rz-hero h1{font-size:clamp(26px,7vw,34px);}
  .rz-hero__sub{font-size:15.5px;}
  .rz-float-card{position:static;margin-top:16px;left:auto;bottom:auto;box-shadow:var(--shadow-card);}
  .rz-cta-band{padding:36px 24px;}
  .rz-footer{padding-top:56px;margin-top:64px;}
  .rz-metric__num{font-size:34px;}
  .rz-zigzag h3{font-size:20px;}
  .rz-pain__item{gap:14px;}
}
@media (max-width:519.98px){
  .rz-hero__actions .rz-btn{width:100%;}
  .rz-trust__inner{gap:12px 20px;justify-content:flex-start;}
  .rz-trust__item{font-size:13px;}
}

/* roulang page: article */
:root{
  --primary:#14618C;
  --primary-strong:#0E4A6D;
  --primary-soft:#E8F1F7;
  --accent:#E8622C;
  --accent-strong:#CE5020;
  --accent-soft:#FDEDE4;
  --ink:#12222C;
  --ink-2:#45596A;
  --ink-3:#7C8C99;
  --line:#E2E9EF;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --footer-bg:#0F1E27;
  --shadow-sm:0 1px 2px rgba(18,52,78,.05);
  --shadow-card:0 10px 30px -12px rgba(18,52,78,.14);
  --shadow-hover:0 18px 42px -16px rgba(18,52,78,.22);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --ease:200ms ease;
}
*{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,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-strong);}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(20,97,140,.28);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}

/* ---------- 顶部导航 ---------- */
.rz-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.rz-header.is-scrolled{box-shadow:var(--shadow-sm);background:rgba(255,255,255,.92);backdrop-filter:blur(8px);}
.rz-header__inner{display:flex;align-items:center;gap:24px;height:72px;}
.rz-logo{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0;}
.rz-logo__main{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.rz-logo__sub{font-size:11.5px;color:var(--ink-3);letter-spacing:.14em;margin-top:3px;}
.rz-nav{display:flex;align-items:center;gap:30px;margin-left:auto;}
.rz-nav__link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;white-space:nowrap;
}
.rz-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.rz-nav__link:hover{color:var(--primary);}
.rz-nav__link:hover::after{transform:scaleX(1);}
.rz-nav__link.is-active{color:var(--primary);}
.rz-nav__link.is-active::after{transform:scaleX(1);}
.rz-header__actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.rz-icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  color:var(--primary);background:#fff;transition:all var(--ease);
}
.rz-icon-btn:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-strong);}
.rz-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rz-btn--primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm);}
.rz-btn--primary:hover{background:var(--accent-strong);color:#fff;transform:translateY(-1px);}
.rz-btn--ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.rz-btn--ghost:hover{background:var(--primary-soft);color:var(--primary-strong);}
.rz-btn--link{background:none;border:none;color:var(--primary);padding:0;font-weight:600;}
.rz-btn--link i{transition:transform var(--ease);}
.rz-btn--link:hover i{transform:translateX(4px);}
.rz-burger{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.rz-burger span{display:block;width:18px;height:1.6px;background:var(--ink);border-radius:2px;}
.rz-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;
  background:#fff;z-index:1060;padding:24px 22px;
  transform:translateX(102%);transition:transform 260ms ease;
  box-shadow:-16px 0 40px -20px rgba(18,52,78,.3);
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.rz-drawer.is-open{transform:translateX(0);}
.rz-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.rz-drawer__title{font-size:16px;font-weight:700;color:var(--ink);}
.rz-drawer__close{background:none;border:none;font-size:20px;color:var(--ink-3);cursor:pointer;}
.rz-drawer__link{
  display:block;font-size:16px;color:var(--ink);padding:15px 4px;
  border-bottom:1px solid var(--line);
}
.rz-drawer__link:hover{color:var(--primary);}
.rz-drawer__cta{margin-top:20px;}
.rz-drawer__cta .rz-btn{width:100%;}
.rz-mask{
  position:fixed;inset:0;background:rgba(15,30,39,.4);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.rz-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.rz-crumb{padding:20px 0 0;}
.rz-crumb nav{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);letter-spacing:.02em;}
.rz-crumb a{color:var(--ink-3);}
.rz-crumb a:hover{color:var(--primary);}
.rz-crumb .rz-crumb__sep{color:var(--line);}
.rz-crumb .is-current{color:var(--ink);}

/* ---------- 文章头部 ---------- */
.rz-post{padding:24px 0 72px;}
.rz-post__head{max-width:860px;}
.rz-post__title{
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.3;
  font-weight:700;
  margin:0 0 18px;
}
.rz-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--ink-3);letter-spacing:.02em;
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.rz-meta__dot{width:1px;height:12px;background:var(--line);display:inline-block;}
.rz-meta__pill{
  display:inline-flex;align-items:center;
  padding:3px 12px;border-radius:var(--radius-pill);
  background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.rz-hero-figure{
  margin:28px 0 0;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.rz-hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 正文两栏 ---------- */
.rz-layout{padding-top:40px;}
.rz-article{max-width:760px;}

.rz-article__lead{
  font-size:17px;line-height:1.85;color:var(--ink-2);
  padding:20px 22px;background:var(--surface);
  border-left:3px solid var(--primary);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  box-shadow:var(--shadow-sm);
  margin-bottom:36px;
}
.rz-article__body{font-size:16px;line-height:1.8;color:var(--ink-2);}
.rz-article__body p{margin:0 0 1.1em;}
.rz-article__body h2{
  font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;
  margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--accent);
}
.rz-article__body h3{font-size:20px;line-height:1.4;font-weight:600;margin:32px 0 12px;}
.rz-article__body h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.rz-article__body ul,.rz-article__body ol{padding-left:1.4em;margin:0 0 1.1em;}
.rz-article__body li{margin-bottom:.5em;}
.rz-article__body blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--primary-soft);
  border-left:3px solid var(--primary);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:var(--ink);
  font-size:15.5px;
}
.rz-article__body blockquote p:last-child{margin-bottom:0;}
.rz-article__body img{
  max-width:100%;border-radius:var(--radius-card);
  margin:24px auto 8px;box-shadow:var(--shadow-card);
}
.rz-article__body a{color:var(--primary);border-bottom:1px solid rgba(20,97,140,.28);}
.rz-article__body a:hover{border-bottom-color:var(--primary);}
.rz-article__body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  background:var(--surface);border-radius:var(--radius-card);overflow:hidden;
}
.rz-article__body th,.rz-article__body td{
  padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;
}
.rz-article__body th{background:var(--primary-soft);color:var(--ink);font-weight:600;}
.rz-article__body code{
  background:var(--primary-soft);color:var(--primary-strong);
  padding:2px 7px;border-radius:6px;font-size:14px;
}
.rz-empty{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:36px 28px;background:var(--surface);text-align:center;
}
.rz-empty p{font-size:16px;color:var(--ink-3);margin-bottom:18px;}

/* ---------- 侧栏 ---------- */
.rz-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.rz-side__card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px;
  box-shadow:var(--shadow-sm);transition:box-shadow var(--ease),border-color var(--ease);
}
.rz-side__card:hover{box-shadow:var(--shadow-card);border-color:var(--primary-soft);}
.rz-side__title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.rz-side__title::before{content:"";width:14px;height:2px;background:var(--accent);border-radius:2px;}
.rz-side__list{list-style:none;padding:0;margin:0;}
.rz-side__list li{border-top:1px solid var(--line);}
.rz-side__list li:first-child{border-top:none;}
.rz-side__list a{
  display:flex;align-items:flex-start;gap:10px;
  padding:12px 0;font-size:14.5px;color:var(--ink-2);line-height:1.6;
}
.rz-side__list a:hover{color:var(--primary);}
.rz-side__num{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;
  background:var(--accent-soft);color:var(--accent);
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.rz-side__contact p{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:16px;}
.rz-side__contact .rz-btn{width:100%;}
.rz-side__note{font-size:13px;color:var(--ink-3);margin-top:12px;margin-bottom:0;}

/* ---------- 相关推荐 ---------- */
.rz-related{padding:72px 0 0;}
.rz-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.rz-sec-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;}
.rz-sec-head p{margin:10px 0 0;font-size:15px;color:var(--ink-3);}
.rz-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rz-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);}
.rz-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg);}
.rz-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.rz-card:hover .rz-card__media img{transform:scale(1.04);}
.rz-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.rz-card__badge{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:var(--radius-pill);
  background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;margin-bottom:12px;
}
.rz-card__title{font-size:18px;line-height:1.45;font-weight:600;margin:0 0 10px;color:var(--ink);}
.rz-card__desc{
  font-size:15px;line-height:1.75;color:var(--ink-2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rz-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);letter-spacing:.02em;
  padding-top:14px;border-top:1px solid var(--line);
}
.rz-card__more{font-size:13.5px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.rz-card__more i{transition:transform var(--ease);}
.rz-card:hover .rz-card__more i{transform:translateX(3px);}

/* ---------- 返回入口 ---------- */
.rz-backline{padding:40px 0 0;display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.rz-backline__text{font-size:14px;color:var(--ink-3);}

/* ---------- CTA ---------- */
.rz-cta{padding:72px 0 80px;}
.rz-cta__box{
  background:var(--primary-soft);
  border:1px solid #D5E6F0;
  border-radius:20px;
  padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.rz-cta__box h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:10px;}
.rz-cta__box p{margin:0;font-size:15px;color:var(--ink-2);max-width:560px;}
.rz-cta__actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.rz-footer{background:var(--footer-bg);color:#B9C7D1;padding:72px 0 0;margin-top:24px;}
.rz-footer__grid{gap:36px 0;}
.rz-footer__brand{font-size:20px;font-weight:700;color:#fff;letter-spacing:-.01em;}
.rz-footer__sub{font-size:12px;color:#8FA3B0;letter-spacing:.16em;margin:6px 0 16px;}
.rz-footer p{font-size:14px;line-height:1.8;color:#9FB0BC;margin-bottom:18px;}
.rz-footer__tags{display:flex;flex-wrap:wrap;gap:10px;}
.rz-footer__tags span{
  font-size:12px;color:#C6D3DC;padding:4px 12px;
  border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-pill);
}
.rz-footer__title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.rz-footer__list{list-style:none;padding:0;margin:0;}
.rz-footer__list li{margin-bottom:10px;}
.rz-footer__list a{font-size:14px;color:#9FB0BC;display:inline-block;transition:color var(--ease),transform var(--ease);}
.rz-footer__list a:hover{color:#fff;transform:translateX(2px);}
.rz-footer__text{font-size:14px;line-height:1.9;color:#9FB0BC;margin:0;}
.rz-footer__bar{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA3B0;
}
.rz-footer__bar a{color:#9FB0BC;}
.rz-footer__bar a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .rz-nav{gap:22px;}
  .rz-nav__link{font-size:14.5px;}
}
@media (max-width:991.98px){
  .rz-nav{display:none;}
  .rz-burger{display:flex;}
  .rz-side{position:static;margin-top:40px;}
  .rz-hero-figure img{aspect-ratio:3/2;}
  .rz-cta__box{padding:36px 28px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .rz-header__inner{height:60px;gap:12px;}
  .rz-logo__main{font-size:17px;}
  .rz-logo__sub{font-size:10.5px;letter-spacing:.1em;}
  .rz-crumb{padding-top:16px;}
  .rz-post{padding:20px 0 52px;}
  .rz-article__body{font-size:15.5px;}
  .rz-meta{gap:10px;font-size:12.5px;}
  .rz-related,.rz-cta{padding-top:52px;}
  .rz-cta{padding-bottom:56px;}
  .rz-related{padding-bottom:0;}
  .rz-sec-head{flex-direction:column;align-items:flex-start;margin-bottom:24px;}
  .rz-backline{padding-top:28px;}
  .rz-footer{padding-top:52px;}
  .rz-footer__bar{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:575.98px){
  .rz-header__actions .rz-btn{display:none;}
  .rz-cta__actions{width:100%;}
  .rz-cta__actions .rz-btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --primary:#14618C;
  --primary-strong:#0E4A6D;
  --primary-soft:#E8F1F7;
  --accent:#E8622C;
  --accent-soft:#FDEDE4;
  --ink:#12222C;
  --ink-2:#45596A;
  --ink-3:#7C8C99;
  --line:#E2E9EF;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --footer-bg:#0F1E27;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(18,52,78,.05);
  --shadow-card:0 10px 30px -12px rgba(18,52,78,.14);
  --shadow-hover:0 18px 42px -16px rgba(18,52,78,.22);
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
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:1.8;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-strong)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(30px,3.6vw,46px);line-height:1.25;font-weight:700}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(20,97,140,.3);outline-offset:2px;border-radius:6px}

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

/* ---------- header ---------- */
.rz-header{
  position:sticky;top:0;z-index:1000;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.rz-header.is-scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(8px);box-shadow:var(--shadow-sm)}
.rz-header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.rz-logo{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0}
.rz-logo__main{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.rz-logo__sub{font-size:11px;color:var(--ink-3);letter-spacing:.14em;margin-top:2px}
.rz-logo:hover .rz-logo__main{color:var(--primary)}
.rz-nav{display:flex;align-items:center;gap:26px}
.rz-nav__link{position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:6px 0;white-space:nowrap;transition:color .18s ease}
.rz-nav__link:hover{color:var(--primary)}
.rz-nav__link.is-active{color:var(--primary)}
.rz-nav__link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:var(--primary)}
.rz-header__actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.rz-icon-btn{
  width:38px;height:38px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.rz-icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.rz-icon-btn svg{width:18px;height:18px}
.rz-burger{
  display:none;width:38px;height:38px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.rz-burger span{display:block;width:17px;height:1.6px;background:var(--ink);border-radius:2px;transition:all .2s ease}
.rz-burger.is-open span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
.rz-burger.is-open span:nth-child(2){opacity:0}
.rz-burger.is-open span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}

.rz-drawer{
  position:fixed;top:0;right:0;height:100%;width:284px;max-width:84vw;
  background:#fff;z-index:1002;padding:24px 22px;
  transform:translateX(102%);transition:transform .28s ease;
  box-shadow:var(--shadow-hover);overflow-y:auto;
}
.rz-drawer.is-open{transform:translateX(0)}
.rz-drawer__title{font-size:12px;letter-spacing:.14em;color:var(--ink-3);margin-bottom:10px}
.rz-drawer__link{display:block;font-size:16px;line-height:56px;color:var(--ink-2);border-bottom:1px solid var(--line);transition:all .18s ease}
.rz-drawer__link:hover,.rz-drawer__link.is-active{color:var(--primary);padding-left:4px}
.rz-drawer__link.is-active{font-weight:600}
.rz-drawer .rz-btn{margin-top:22px;width:100%;justify-content:center}
.rz-mask{
  position:fixed;inset:0;background:rgba(15,30,39,.45);z-index:1001;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.rz-mask.is-open{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.rz-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.4;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.rz-btn--accent{background:var(--accent);color:#fff}
.rz-btn--accent:hover{background:#D2551F;color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(232,98,44,.75)}
.rz-btn--primary{background:var(--primary);color:#fff}
.rz-btn--primary:hover{background:var(--primary-strong);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(20,97,140,.75)}
.rz-btn--ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.rz-btn--ghost:hover{background:var(--primary-soft);color:var(--primary-strong);border-color:var(--primary-strong)}
.rz-btn--sm{padding:9px 16px;font-size:14px}
.rz-textlink{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary)}
.rz-textlink::after{content:"→";transition:transform .2s ease}
.rz-textlink:hover{color:var(--primary-strong)}
.rz-textlink:hover::after{transform:translateX(3px)}

/* ---------- hero ---------- */
.rz-hero{
  position:relative;
  background:linear-gradient(100deg,#FFFFFF 0%,rgba(255,255,255,.95) 40%,rgba(255,255,255,.74) 100%),
             url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.rz-hero__inner{padding-top:44px;padding-bottom:64px;min-height:320px;display:flex;flex-direction:column;justify-content:center}
.rz-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);letter-spacing:.02em;margin-bottom:20px;flex-wrap:wrap}
.rz-crumb a{color:var(--ink-3)}
.rz-crumb a:hover{color:var(--primary)}
.rz-crumb__sep{color:#C3D0D9}
.rz-crumb__current{color:var(--ink)}
.rz-hero__tag{display:inline-block;align-self:flex-start;font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);margin-bottom:18px}
.rz-hero h1{max-width:900px}
.rz-hero__lead{max-width:680px;font-size:17px;color:var(--ink-2);margin-top:18px}
.rz-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* ---------- section ---------- */
.rz-section{padding:var(--section-y) 0}
.rz-section--white{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rz-sec-head{max-width:760px;margin-bottom:40px}
.rz-sec-head p{margin-top:14px;font-size:16px;color:var(--ink-2)}
.rz-sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.rz-eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--accent);font-weight:700;margin-bottom:12px}

/* ---------- cards ---------- */
.rz-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;height:100%;display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.rz-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--primary-soft)}
.rz-card__index{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:14px;font-variant-numeric:tabular-nums}
.rz-card h3{font-size:19px;margin-bottom:10px}
.rz-card p{font-size:15px;color:var(--ink-2)}
.rz-card__meta{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);letter-spacing:.02em}
.rz-badge{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary);margin-bottom:12px}
.rz-badge--accent{background:var(--accent-soft);color:var(--accent)}

.rz-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.rz-points > *:nth-child(even){margin-top:32px}

/* ---------- steps ---------- */
.rz-steps{margin-top:8px}
.rz-step{
  display:grid;grid-template-columns:56px minmax(0,1fr);gap:24px;
  padding:28px 0;border-top:1px solid var(--line);
}
.rz-step:last-child{border-bottom:1px solid var(--line)}
.rz-step__num{
  width:52px;height:52px;border-radius:14px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;
}
.rz-step h3{font-size:19px;margin-bottom:8px}
.rz-step p{font-size:15px;max-width:760px}
.rz-step__note{font-size:13px;color:var(--ink-3);margin-top:10px;letter-spacing:.02em}

/* ---------- compare panels ---------- */
.rz-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.rz-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:30px}
.rz-panel__title{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);margin-bottom:20px}
.rz-panel__title::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary)}
.rz-panel--accent .rz-panel__title::before{background:var(--accent)}
.rz-list{list-style:none;padding:0}
.rz-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.8;margin-bottom:14px}
.rz-list li:last-child{margin-bottom:0}
.rz-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--primary)}
.rz-panel--accent .rz-list li::before{background:var(--accent)}

/* ---------- table ---------- */
.rz-table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card)}
.rz-table{width:100%;min-width:680px;border-collapse:collapse}
.rz-table th{
  text-align:left;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--ink-3);
  padding:16px 22px;background:#FBFDFE;border-bottom:1px solid var(--line);white-space:nowrap;
}
.rz-table td{padding:20px 22px;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
.rz-table tbody tr:last-child td{border-bottom:none}
.rz-table tbody tr:hover{background:#FBFDFE}
.rz-table td strong{color:var(--ink);font-weight:600;display:block;margin-bottom:4px}
.rz-table td span{font-size:13px;color:var(--ink-3)}

/* ---------- faq ---------- */
.rz-faq{max-width:920px}
.rz-faq__item{border-bottom:1px solid var(--line)}
.rz-faq__item:first-child{border-top:1px solid var(--line)}
.rz-faq__item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;font-size:17px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;transition:color .18s ease;
}
.rz-faq__item summary::-webkit-details-marker{display:none}
.rz-faq__item summary:hover{color:var(--primary)}
.rz-faq__item[open] summary{color:var(--primary)}
.rz-faq__icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.rz-faq__icon::before,.rz-faq__icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.rz-faq__icon::before{left:0;top:8px;width:18px;height:2px}
.rz-faq__icon::after{left:8px;top:0;width:2px;height:18px}
.rz-faq__item[open] .rz-faq__icon::after{transform:scaleY(0);opacity:0}
.rz-faq__body{padding:0 4px 26px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:820px}
.rz-faq__body p{margin-bottom:.8em}

/* ---------- related ---------- */
.rz-related{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.rz-related .rz-card{padding:0;overflow:hidden}
.rz-related__thumb{aspect-ratio:16/9;width:100%;object-fit:cover;background:var(--primary-soft)}
.rz-related__body{padding:22px;display:flex;flex-direction:column;flex:1}
.rz-related__body p{font-size:15px;margin-bottom:16px}
.rz-related__link{margin-top:auto;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.rz-related__link::after{content:"→";transition:transform .2s ease}
.rz-related .rz-card:hover .rz-related__link::after{transform:translateX(3px)}

/* ---------- cta ---------- */
.rz-cta{padding-bottom:var(--section-y)}
.rz-cta__box{
  background:var(--primary-soft);border-radius:20px;padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.rz-cta__box h2{max-width:560px}
.rz-cta__box p{margin-top:12px;font-size:16px;color:var(--ink-2);max-width:560px}
.rz-cta__actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- footer ---------- */
.rz-footer{background:var(--footer-bg);color:#C9D6DE;padding-top:72px;margin-top:0}
.rz-footer__grid{padding-bottom:44px}
.rz-footer__brand{font-size:20px;font-weight:700;color:#fff;line-height:1.2}
.rz-footer__sub{font-size:12px;color:#8FA3AF;letter-spacing:.16em;margin:4px 0 16px}
.rz-footer p,.rz-footer__text{font-size:14px;color:#A9BAC4;line-height:1.8;margin:0}
.rz-footer__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.rz-footer__tags span{font-size:12px;padding:4px 11px;border-radius:999px;background:rgba(255,255,255,.08);color:#C9D6DE}
.rz-footer__title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.rz-footer__list{list-style:none;padding:0;margin:0}
.rz-footer__list li{margin-bottom:12px}
.rz-footer__list a{display:inline-block;font-size:14px;color:#A9BAC4;transition:color .18s ease,transform .18s ease}
.rz-footer__list a:hover{color:#fff;transform:translateX(2px)}
.rz-footer__bar{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA3AF;letter-spacing:.02em;
}
.rz-footer__bar a{color:#A9BAC4}
.rz-footer__bar a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  :root{--section-y:72px}
  .rz-nav{gap:20px}
  .rz-nav__link{font-size:14.5px}
  .rz-related{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .rz-nav{display:none}
  .rz-burger{display:flex}
  .rz-hero__inner{padding-top:36px;padding-bottom:52px;min-height:auto}
  .rz-points > *:nth-child(even){margin-top:0}
  .rz-compare{grid-template-columns:1fr}
  .rz-cta__box{padding:44px 36px}
}
@media (max-width:767.98px){
  :root{--section-y:56px}
  body{font-size:15.5px}
  .container{padding-left:16px;padding-right:16px}
  .rz-header__inner{height:60px}
  .rz-logo__main{font-size:17px}
  .rz-icon-btn{display:none}
  .rz-hero__lead{font-size:16px}
  .rz-hero__actions .rz-btn{flex:1 1 auto;justify-content:center}
  .rz-points{grid-template-columns:1fr}
  .rz-related{grid-template-columns:1fr}
  .rz-step{grid-template-columns:44px minmax(0,1fr);gap:16px;padding:22px 0}
  .rz-step__num{width:42px;height:42px;border-radius:12px;font-size:16px}
  .rz-panel{padding:24px 20px}
  .rz-cta__box{padding:32px 22px;border-radius:16px}
  .rz-cta__actions{width:100%}
  .rz-cta__actions .rz-btn{flex:1 1 auto;justify-content:center}
  .rz-faq__item summary{font-size:16px;padding:20px 2px;align-items:flex-start}
  .rz-footer{padding-top:52px}
  .rz-footer__bar{justify-content:flex-start}
}
@media (max-width:519.98px){
  h1{font-size:27px}
  .rz-hero__tag{margin-bottom:14px}
  .rz-table{min-width:560px}
  .rz-table th,.rz-table td{padding:14px 16px}
}

/* roulang page: category2 */
:root{
  --primary:#14618C;
  --primary-strong:#0E4A6D;
  --primary-soft:#E8F1F7;
  --accent:#E8622C;
  --accent-soft:#FDEDE4;
  --ink:#12222C;
  --ink-2:#45596A;
  --ink-3:#7C8C99;
  --line:#E2E9EF;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --footer-bg:#0F1E27;
  --shadow-sm:0 1px 2px rgba(18,52,78,.05);
  --shadow-card:0 10px 30px -12px rgba(18,52,78,.14);
  --shadow-hover:0 18px 42px -16px rgba(18,52,78,.22);
  --radius-card:16px;
  --radius-btn:10px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-primary:#14618C;
  --bs-primary-rgb:20,97,140;
  --bs-body-color:#12222C;
  --bs-border-color:#E2E9EF;
  --bs-body-font-family:var(--font-cn);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-strong);}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(20,97,140,.28);outline-offset:2px;border-radius:4px;}

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

/* ---------- Header ---------- */
.rz-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,backdrop-filter .2s ease;
}
.rz-header.is-scrolled{
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:var(--shadow-sm);
}
.rz-header__inner{
  height:72px;display:flex;align-items:center;gap:28px;
}
.rz-logo{display:flex;align-items:baseline;gap:8px;flex-shrink:0;}
.rz-logo__main{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.rz-logo__sub{
  font-size:12px;font-weight:400;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:3px 10px;
  letter-spacing:.04em;
}
.rz-nav{display:flex;align-items:center;gap:30px;margin-left:auto;}
.rz-nav__link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .18s ease;
}
.rz-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.rz-nav__link:hover{color:var(--primary);}
.rz-nav__link:hover::after{transform:scaleX(1);}
.rz-nav__link.is-active{color:var(--primary);font-weight:600;}
.rz-nav__link.is-active::after{transform:scaleX(1);}

.rz-header__actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.rz-icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--primary);background:#fff;transition:all .18s ease;
}
.rz-icon-btn:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-strong);}
.rz-burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;position:relative;
}
.rz-burger span{
  display:block;width:18px;height:1.6px;background:var(--ink);border-radius:2px;
  margin:3.6px auto;transition:transform .22s ease,opacity .22s ease;
}
.rz-burger.is-open span:nth-child(1){transform:translateY(5.2px) rotate(45deg);}
.rz-burger.is-open span:nth-child(2){opacity:0;}
.rz-burger.is-open span:nth-child(3){transform:translateY(-5.2px) rotate(-45deg);}

/* ---------- Buttons ---------- */
.rz-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:all .18s ease;
}
.rz-btn--accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm);}
.rz-btn--accent:hover{background:#cf5222;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-card);}
.rz-btn--primary{background:var(--primary);color:#fff;}
.rz-btn--primary:hover{background:var(--primary-strong);color:#fff;transform:translateY(-1px);}
.rz-btn--ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.rz-btn--ghost:hover{background:var(--primary-soft);color:var(--primary-strong);border-color:var(--primary-strong);}
.rz-btn--sm{padding:10px 18px;font-size:14px;}
.rz-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--primary);
}
.rz-link-arrow i{transition:transform .2s ease;}
.rz-link-arrow:hover i{transform:translateX(3px);}

/* ---------- Drawer ---------- */
.rz-drawer{
  position:fixed;top:72px;right:0;width:300px;height:calc(100% - 72px);
  background:#fff;border-left:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transform:translateX(102%);transition:transform .28s ease;
  z-index:1040;padding:18px 22px 40px;overflow-y:auto;
}
.rz-drawer.is-open{transform:translateX(0);}
.rz-drawer__link{
  display:block;font-size:16px;color:var(--ink);line-height:56px;
  border-bottom:1px solid var(--line);
}
.rz-drawer__link.is-active{color:var(--primary);font-weight:600;}
.rz-drawer__cta{margin-top:22px;width:100%;justify-content:center;}
.rz-overlay{
  position:fixed;inset:72px 0 0 0;background:rgba(15,30,39,.28);
  opacity:0;visibility:hidden;transition:opacity .28s ease;z-index:1035;
}
.rz-overlay.is-open{opacity:1;visibility:visible;}

/* ---------- Page hero ---------- */
.rz-crumb{
  padding:22px 0 0;font-size:13px;color:var(--ink-3);letter-spacing:.02em;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.rz-crumb a{color:var(--ink-3);}
.rz-crumb a:hover{color:var(--primary);}
.rz-crumb__sep{color:#C4D0D9;}
.rz-crumb__cur{color:var(--ink);font-weight:500;}

.rz-pagehero{padding:26px 0 0;}
.rz-pagehero__grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:48px;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  padding:44px;overflow:hidden;position:relative;
}
.rz-pagehero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:6px 14px;
  letter-spacing:.04em;margin-bottom:18px;
}
.rz-pagehero h1{
  font-size:clamp(30px,3.6vw,46px);line-height:1.25;font-weight:700;margin-bottom:16px;
}
.rz-pagehero h1 em{font-style:normal;color:var(--primary);}
.rz-pagehero__lead{font-size:17px;color:var(--ink-2);max-width:520px;margin-bottom:24px;}
.rz-pagehero__actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.rz-pagehero__points{
  display:flex;flex-wrap:wrap;gap:0;margin-top:28px;padding-top:20px;
  border-top:1px solid var(--line);
}
.rz-pagehero__points span{
  font-size:13px;color:var(--ink-3);padding-right:18px;margin-right:18px;
  border-right:1px solid var(--line);line-height:1.6;
}
.rz-pagehero__points span:last-child{border-right:0;margin-right:0;padding-right:0;}
.rz-pagehero__media{position:relative;}
.rz-pagehero__media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);
}
.rz-floatcard{
  position:absolute;left:-14px;bottom:-16px;background:#fff;
  border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-card);
  padding:14px 18px;min-width:168px;
}
.rz-floatcard strong{display:block;font-size:22px;color:var(--accent);line-height:1.2;}
.rz-floatcard span{font-size:12px;color:var(--ink-3);letter-spacing:.02em;}

/* ---------- Sections ---------- */
.rz-section{padding:96px 0;}
.rz-section--tight{padding:72px 0;}
.rz-section--soft{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.rz-section__head{max-width:720px;margin-bottom:44px;}
.rz-section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.rz-eyebrow{
  font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:10px;
}
.rz-section__head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;margin-bottom:14px;}
.rz-section__head p{font-size:16px;color:var(--ink-2);}

/* ---------- Prep cards ---------- */
.rz-prep{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.rz-prep__item:nth-child(even){transform:translateY(22px);}
.rz-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;height:100%;display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.rz-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--primary-soft);}
.rz-card__num{
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em;margin-bottom:14px;
}
.rz-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.rz-card p{font-size:15px;color:var(--ink-2);margin-bottom:0;}
.rz-card__meta{margin-top:18px;font-size:13px;color:var(--ink-3);}
.rz-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.rz-tag{
  font-size:12px;border-radius:999px;padding:4px 12px;
  background:var(--primary-soft);color:var(--primary);letter-spacing:.02em;
}
.rz-tag--accent{background:var(--accent-soft);color:var(--accent);}

/* ---------- Steps ---------- */
.rz-steps{position:relative;max-width:900px;}
.rz-steps::before{
  content:"";position:absolute;left:23px;top:12px;bottom:12px;width:1px;background:var(--line);
}
.rz-step{position:relative;display:grid;grid-template-columns:48px 1fr;gap:24px;padding-bottom:34px;}
.rz-step:last-child{padding-bottom:0;}
.rz-step__idx{
  width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--primary);z-index:1;
  box-shadow:var(--shadow-sm);
}
.rz-step:hover .rz-step__idx{border-color:var(--primary);background:var(--primary-soft);}
.rz-step__body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 26px;transition:box-shadow .2s ease,border-color .2s ease;
}
.rz-step__body:hover{box-shadow:var(--shadow-card);border-color:var(--primary-soft);}
.rz-step__body h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.rz-step__body p{font-size:15px;margin-bottom:0;}
.rz-step__hint{font-size:13px;color:var(--ink-3);margin-top:10px;display:block;}

/* ---------- Compare ---------- */
.rz-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--surface);}
.rz-compare__col{padding:32px;}
.rz-compare__col + .rz-compare__col{border-left:1px solid var(--line);}
.rz-compare__title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:var(--ink);margin-bottom:20px;}
.rz-compare__title i{color:var(--primary);}
.rz-compare__col--warn .rz-compare__title i{color:var(--accent);}
.rz-list li{
  position:relative;padding-left:26px;margin-bottom:14px;font-size:15px;line-height:1.75;
}
.rz-list li:last-child{margin-bottom:0;}
.rz-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--primary-soft);border:2px solid var(--primary);
}
.rz-list--warn li::before{background:var(--accent-soft);border-color:var(--accent);}

/* ---------- Table ---------- */
.rz-tablewrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
}
.rz-table{width:100%;border-collapse:collapse;}
.rz-table th,.rz-table td{
  padding:18px 26px;text-align:left;font-size:15px;vertical-align:top;
}
.rz-table thead th{
  font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.04em;
  background:var(--primary-soft);border-bottom:1px solid var(--line);
}
.rz-table tbody tr + tr td{border-top:1px solid var(--line);}
.rz-table tbody th{width:220px;font-weight:600;color:var(--ink);}
.rz-table tbody td{color:var(--ink-2);}
.rz-table tbody tr:hover{background:#FAFCFD;}

/* ---------- Split block ---------- */
.rz-split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:52px;align-items:center;}
.rz-split img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow-card);}
.rz-checklist li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px;
}
.rz-checklist li:last-child{border-bottom:0;}
.rz-checklist i{color:var(--primary);margin-top:5px;}
.rz-checklist strong{color:var(--ink);display:block;margin-bottom:2px;font-size:16px;font-weight:600;}

/* ---------- FAQ ---------- */
.rz-faq{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:56px;}
.rz-faq__item{border-bottom:1px solid var(--line);}
.rz-faq__q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);font-family:var(--font-cn);
  transition:color .18s ease;
}
.rz-faq__q:hover{color:var(--primary);}
.rz-faq__q i{color:var(--primary);font-size:14px;transition:transform .2s ease;flex-shrink:0;}
.rz-faq__item.is-open .rz-faq__q i{transform:rotate(45deg);}
.rz-faq__a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease,padding .3s ease;
}
.rz-faq__item.is-open .rz-faq__a{max-height:420px;padding-bottom:20px;}
.rz-faq__a p{font-size:15px;color:var(--ink-2);}

/* ---------- CTA ---------- */
.rz-cta{
  background:var(--primary-soft);border:1px solid #D5E5EF;border-radius:20px;
  padding:52px 48px;display:flex;flex-wrap:wrap;gap:28px;
  align-items:center;justify-content:space-between;
}
.rz-cta h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:10px;font-weight:700;}
.rz-cta p{font-size:16px;color:var(--ink-2);max-width:600px;margin-bottom:0;}
.rz-cta__actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ---------- Related ---------- */
.rz-related{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.rz-related__card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;display:flex;flex-direction:column;height:100%;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.rz-related__card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--primary-soft);}
.rz-related__card h3{font-size:17px;font-weight:600;margin-bottom:10px;}
.rz-related__card p{font-size:14px;color:var(--ink-2);margin-bottom:18px;}
.rz-related__card .rz-link-arrow{margin-top:auto;font-size:14px;}

/* ---------- Footer ---------- */
.rz-footer{background:var(--footer-bg);color:#C9D4DB;padding:72px 0 0;margin-top:0;}
.rz-footer__grid{row-gap:36px;}
.rz-footer__brand{font-size:20px;font-weight:700;color:#fff;letter-spacing:.02em;}
.rz-footer__sub{font-size:12px;color:#7FA6BC;letter-spacing:.06em;margin-bottom:16px;}
.rz-footer p{font-size:14px;color:#A9B8C2;line-height:1.85;}
.rz-footer__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.rz-footer__tags span{
  font-size:12px;color:#BBD0DC;border:1px solid rgba(255,255,255,.16);
  border-radius:999px;padding:4px 12px;
}
.rz-footer__title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.rz-footer__list li{margin-bottom:12px;}
.rz-footer__list a{font-size:14px;color:#A9B8C2;display:inline-block;transition:color .18s ease,transform .18s ease;}
.rz-footer__list a:hover{color:#fff;transform:translateX(2px);}
.rz-footer__text{font-size:14px;color:#A9B8C2;line-height:1.9;}
.rz-footer__bar{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:#8FA2AE;
}
.rz-footer__bar a{color:#8FA2AE;}
.rz-footer__bar a:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .rz-section{padding:78px 0;}
  .rz-pagehero__grid{padding:36px;gap:36px;}
  .rz-related{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .rz-nav{display:none;}
  .rz-burger{display:block;}
  .rz-header__actions .rz-btn{display:none;}
  .rz-pagehero__grid{grid-template-columns:1fr;gap:32px;}
  .rz-pagehero__media img{aspect-ratio:16/9;}
  .rz-floatcard{left:auto;right:16px;bottom:-14px;}
  .rz-split{grid-template-columns:1fr;gap:32px;}
  .rz-faq{grid-template-columns:1fr;gap:28px;}
  .rz-compare{grid-template-columns:1fr;}
  .rz-compare__col + .rz-compare__col{border-left:0;border-top:1px solid var(--line);}
  .rz-section{padding:72px 0;}
  .rz-section--tight{padding:56px 0;}
  .rz-table tbody th{width:170px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .rz-header__inner{height:60px;}
  .rz-logo__main{font-size:18px;}
  .rz-logo__sub{font-size:11px;padding:2px 8px;}
  .rz-drawer{top:60px;height:calc(100% - 60px);width:86%;max-width:320px;}
  .rz-overlay{inset:60px 0 0 0;}
  .container{padding-left:16px;padding-right:16px;}
  .rz-pagehero{padding-top:18px;}
  .rz-pagehero__grid{padding:24px;border-radius:14px;}
  .rz-pagehero__lead{font-size:15.5px;}
  .rz-pagehero__points span{
    border-right:0;padding-right:0;margin-right:0;width:100%;
    padding-top:8px;padding-bottom:8px;border-bottom:1px solid var(--line);
  }
  .rz-pagehero__points span:last-child{border-bottom:0;}
  .rz-prep{grid-template-columns:1fr;}
  .rz-prep__item:nth-child(even){transform:none;}
  .rz-section{padding:56px 0;}
  .rz-section__head{margin-bottom:32px;}
  .rz-step{grid-template-columns:38px 1fr;gap:16px;}
  .rz-step__idx{width:38px;height:38px;font-size:14px;}
  .rz-steps::before{left:18px;}
  .rz-step__body{padding:18px 20px;}
  .rz-table th,.rz-table td{padding:14px 16px;}
  .rz-table thead{display:none;}
  .rz-table tbody th{display:block;width:100%;padding-bottom:4px;border-top:1px solid var(--line);}
  .rz-table tbody td{display:block;padding-top:0;}
  .rz-table tbody tr:first-child th{border-top:0;}
  .rz-table tbody tr + tr td{border-top:0;}
  .rz-related{grid-template-columns:1fr;}
  .rz-cta{padding:32px 24px;border-radius:16px;}
  .rz-cta__actions{width:100%;}
  .rz-cta__actions .rz-btn{width:100%;justify-content:center;}
  .rz-footer{padding-top:52px;}
  .rz-footer__bar{justify-content:flex-start;}
}
@media (max-width:520px){
  .rz-pagehero h1{font-size:26px;}
  .rz-compare__col{padding:24px;}
  .rz-card{padding:22px;}
}

/* roulang page: category3 */
:root{
  --primary:#14618C;
  --primary-strong:#0E4A6D;
  --primary-soft:#E8F1F7;
  --accent:#E8622C;
  --accent-soft:#FDEDE4;
  --ink:#12222C;
  --ink-2:#45596A;
  --ink-3:#7C8C99;
  --line:#E2E9EF;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --footer-bg:#0F1E27;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(18,52,78,.05);
  --shadow-card:0 10px 30px -12px rgba(18,52,78,.14);
  --shadow-hover:0 18px 42px -16px rgba(18,52,78,.22);
}
*{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:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-strong);}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(20,97,140,.28);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}

/* ---------- 顶部导航 ---------- */
.rz-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,backdrop-filter .2s ease;
}
.rz-header.is-scrolled{box-shadow:var(--shadow-sm);backdrop-filter:blur(8px);}
.rz-header__inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px;}
.rz-logo{display:flex;flex-direction:column;line-height:1.15;color:var(--ink);}
.rz-logo__main{font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--primary-strong);}
.rz-logo__sub{font-size:12px;color:var(--ink-3);letter-spacing:.14em;margin-top:2px;}
.rz-nav{display:flex;align-items:center;gap:30px;}
.rz-nav__link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .18s ease;
}
.rz-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.rz-nav__link:hover{color:var(--primary);}
.rz-nav__link:hover::after{transform:scaleX(1);}
.rz-nav__link.is-active{color:var(--primary);font-weight:600;}
.rz-nav__link.is-active::after{transform:scaleX(1);}
.rz-header__actions{display:flex;align-items:center;gap:14px;}
.rz-icon-btn{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--primary);background:#fff;transition:all .18s ease;
}
.rz-icon-btn:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-strong);}
.rz-btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;
  transition:all .2s ease;
}
.rz-btn--accent{background:var(--accent);color:#fff;}
.rz-btn--accent:hover{background:#cf5324;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(232,98,44,.75);}
.rz-btn--primary{background:var(--primary);color:#fff;}
.rz-btn--primary:hover{background:var(--primary-strong);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(14,74,109,.8);}
.rz-btn--ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.rz-btn--ghost:hover{background:var(--primary-soft);color:var(--primary-strong);}
.rz-link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);}
.rz-link-more i{transition:transform .18s ease;}
.rz-link-more:hover i{transform:translateX(3px);}
.rz-burger{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.rz-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s ease;}
.rz-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:1050;
  transform:translateX(100%);transition:transform .28s ease;padding:24px 22px;overflow-y:auto;
  box-shadow:var(--shadow-hover);
}
.rz-drawer.is-open{transform:translateX(0);}
.rz-drawer__top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.rz-drawer__close{width:34px;height:34px;border:1px solid var(--line);background:#fff;border-radius:8px;color:var(--ink-2);}
.rz-drawer__link{display:flex;align-items:center;justify-content:space-between;font-size:16px;color:var(--ink-2);padding:16px 0;border-bottom:1px solid var(--line);}
.rz-drawer__link.is-active{color:var(--primary);font-weight:600;}
.rz-drawer__cta{margin-top:24px;}
.rz-drawer__cta .rz-btn{width:100%;justify-content:center;}
.rz-mask{position:fixed;inset:0;background:rgba(15,30,39,.45);opacity:0;visibility:hidden;transition:.28s ease;z-index:1040;}
.rz-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.rz-crumb{font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px;letter-spacing:.02em;}
.rz-crumb a{color:var(--ink-3);}
.rz-crumb a:hover{color:var(--primary);}
.rz-crumb span.sep{color:var(--line);}
.rz-crumb .current{color:var(--ink);}

/* ---------- 分类 Hero ---------- */
.rz-cat-hero{background:var(--surface);padding:36px 0 60px;border-bottom:1px solid var(--line);}
.rz-cat-hero__badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);color:var(--primary);
  font-size:12px;letter-spacing:.08em;padding:6px 14px;border-radius:999px;font-weight:600;margin-bottom:18px;
}
.rz-cat-hero h1{font-size:clamp(28px,3.4vw,42px);line-height:1.25;font-weight:700;margin-bottom:16px;}
.rz-cat-hero__lead{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:22px;}
.rz-cat-hero__facts{display:flex;flex-wrap:wrap;gap:12px 28px;font-size:13px;color:var(--ink-3);}
.rz-cat-hero__facts i{color:var(--accent);margin-right:6px;}
.rz-cat-hero__figure{margin:0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);background:var(--bg);}
.rz-cat-hero__figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ---------- 通用板块 ---------- */
.rz-section{padding:88px 0;}
.rz-section--tight{padding:64px 0;}
.rz-section--surface{background:var(--surface);}
.rz-sec-head{max-width:760px;margin-bottom:40px;}
.rz-sec-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;margin-bottom:14px;}
.rz-sec-head p{color:var(--ink-2);margin:0;font-size:16px;}
.rz-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--accent);
  font-weight:700;margin-bottom:12px;text-transform:uppercase;
}

/* ---------- 要点卡（两列错落） ---------- */
.rz-point-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;height:100%;display:flex;flex-direction:column;gap:10px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rz-point-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);}
.rz-point-card__index{
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em;
}
.rz-point-card h3{font-size:19px;font-weight:600;line-height:1.4;}
.rz-point-card p{font-size:15px;color:var(--ink-2);margin:0;}
.rz-point-card__tag{
  align-self:flex-start;margin-top:auto;font-size:12px;padding:4px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);
}
.rz-offset-down{margin-top:28px;}

/* ---------- 对照两栏清单 ---------- */
.rz-compare{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);overflow:hidden;}
.rz-compare__col{padding:30px 28px;}
.rz-compare__col + .rz-compare__col{border-top:1px solid var(--line);}
.rz-compare__title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;margin-bottom:18px;}
.rz-compare__title i{font-size:16px;}
.rz-compare__title--ok i{color:var(--primary);}
.rz-compare__title--no i{color:var(--accent);}
.rz-compare__list li{
  position:relative;padding-left:26px;margin-bottom:12px;font-size:15px;color:var(--ink-2);
}
.rz-compare__list li:last-child{margin-bottom:0;}
.rz-compare__list li::before{
  content:"";position:absolute;left:0;top:11px;width:14px;height:2px;border-radius:2px;background:var(--primary);
}
.rz-compare__list--no li::before{background:var(--accent);}

/* ---------- 信息表 ---------- */
.rz-table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;}
.rz-table{width:100%;border-collapse:collapse;margin:0;}
.rz-table thead th{
  font-size:13px;letter-spacing:.06em;color:var(--ink-3);font-weight:600;text-align:left;
  padding:18px 24px;background:var(--primary-soft);border-bottom:1px solid var(--line);white-space:nowrap;
}
.rz-table tbody td{
  padding:20px 24px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2);vertical-align:top;
}
.rz-table tbody tr:last-child td{border-bottom:none;}
.rz-table tbody tr:hover{background:#FAFCFD;}
.rz-table td:first-child{color:var(--ink);font-weight:600;white-space:nowrap;}
.rz-table .rz-table__hint{color:var(--ink-3);font-size:13px;display:block;margin-top:4px;}

/* ---------- 编号流程 ---------- */
.rz-steps{position:relative;padding-left:0;}
.rz-step{position:relative;padding:0 0 32px 62px;}
.rz-step:last-child{padding-bottom:0;}
.rz-step::before{
  content:"";position:absolute;left:19px;top:44px;bottom:0;width:1px;background:var(--line);
}
.rz-step:last-child::before{display:none;}
.rz-step__num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:14px;font-weight:700;
}
.rz-step h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.rz-step p{font-size:15px;color:var(--ink-2);margin:0;}

/* ---------- FAQ ---------- */
.rz-faq{border-top:1px solid var(--line);}
.rz-faq__item{border-bottom:1px solid var(--line);}
.rz-faq__q{
  width:100%;background:transparent;border:0;padding:22px 0;display:flex;align-items:flex-start;
  justify-content:space-between;gap:20px;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;transition:color .18s ease;
}
.rz-faq__q:hover{color:var(--primary);}
.rz-faq__q[aria-expanded="true"]{color:var(--primary);}
.rz-faq__icon{position:relative;flex:0 0 16px;width:16px;height:16px;margin-top:6px;}
.rz-faq__icon::before,.rz-faq__icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.rz-faq__icon::before{left:0;top:7px;width:16px;height:2px;}
.rz-faq__icon::after{left:7px;top:0;width:2px;height:16px;}
.rz-faq__q[aria-expanded="true"] .rz-faq__icon::after{transform:rotate(90deg);opacity:0;}
.rz-faq__a{padding:0 40px 24px 0;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ---------- 引用结论 ---------- */
.rz-quote{
  background:var(--surface);border-radius:var(--radius-card);border:1px solid var(--line);
  border-left:3px solid var(--primary);padding:34px 32px;
}
.rz-quote p{font-size:17px;color:var(--ink);margin:0;}
.rz-quote__meta{margin-top:16px;font-size:13px;color:var(--ink-3);}

/* ---------- CTA 带 ---------- */
.rz-cta{
  background:var(--primary-soft);border-radius:20px;padding:44px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.rz-cta h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;margin-bottom:8px;}
.rz-cta p{margin:0;color:var(--ink-2);font-size:15px;}
.rz-cta__actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}

/* ---------- 相关分类 ---------- */
.rz-related-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rz-related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);}
.rz-related-card__tag{font-size:12px;color:var(--accent);letter-spacing:.08em;font-weight:600;margin-bottom:10px;}
.rz-related-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.rz-related-card p{font-size:14px;color:var(--ink-2);margin:0 0 16px;}
.rz-related-card .rz-link-more{margin-top:auto;font-size:14px;}

/* ---------- 页脚 ---------- */
.rz-footer{background:var(--footer-bg);color:#C9D6DE;padding:72px 0 0;margin-top:0;}
.rz-footer__grid{padding-bottom:48px;}
.rz-footer__brand{font-size:20px;font-weight:700;color:#fff;}
.rz-footer__sub{font-size:12px;letter-spacing:.14em;color:#8FA3AF;margin:4px 0 18px;}
.rz-footer p{font-size:14px;line-height:1.8;color:#A9BAC4;}
.rz-footer__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.rz-footer__tags span{
  font-size:12px;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.07);color:#CBD9E1;
}
.rz-footer__title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.rz-footer__list li{margin-bottom:10px;}
.rz-footer__list a{font-size:14px;color:#A9BAC4;display:inline-block;transition:color .18s ease,transform .18s ease;}
.rz-footer__list a:hover{color:#fff;transform:translateX(-2px);}
.rz-footer__text{font-size:14px;color:#A9BAC4;line-height:1.9;}
.rz-footer__bar{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#8FA3AF;
}
.rz-footer__bar a{color:#CBD9E1;font-size:13px;}
.rz-footer__bar a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (min-width:768px){
  .rz-compare{display:flex;}
  .rz-compare__col{flex:1 1 50%;}
  .rz-compare__col + .rz-compare__col{border-top:0;border-left:1px solid var(--line);}
}
@media (max-width:1199.98px){
  .rz-section{padding:76px 0;}
}
@media (max-width:991.98px){
  .rz-nav{display:none;}
  .rz-burger{display:inline-flex;}
  .rz-header__actions .rz-btn--accent{display:none;}
  .rz-section{padding:64px 0;}
  .rz-cat-hero{padding:28px 0 48px;}
  .rz-cta{padding:34px 26px;border-radius:16px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .container{padding-left:16px;padding-right:16px;}
  .rz-header__inner{min-height:60px;}
  .rz-section{padding:56px 0;}
  .rz-sec-head{margin-bottom:30px;}
  .rz-offset-down{margin-top:0;}
  .rz-step{padding-left:54px;}
  .rz-faq__q{font-size:16px;}
  .rz-faq__a{padding-right:0;}
  .rz-table thead{display:none;}
  .rz-table tbody td{display:block;border-bottom:none;padding:6px 20px;}
  .rz-table tbody tr{display:block;border-bottom:1px solid var(--line);padding:14px 0;}
  .rz-table tbody tr:last-child{border-bottom:none;}
  .rz-table td:first-child{padding-top:16px;}
  .rz-table td:last-child{padding-bottom:16px;}
  .rz-footer{padding-top:56px;}
  .rz-quote{padding:26px 22px;}
}
@media (max-width:520px){
  .rz-cat-hero h1{font-size:26px;}
  .rz-cta__actions{width:100%;}
  .rz-cta__actions .rz-btn{width:100%;justify-content:center;}
}

/* roulang page: category4 */
:root{
  --primary:#14618C;
  --primary-strong:#0E4A6D;
  --primary-soft:#E8F1F7;
  --accent:#E8622C;
  --accent-soft:#FDEDE4;
  --ink:#12222C;
  --ink-2:#45596A;
  --ink-3:#7C8C99;
  --line:#E2E9EF;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --footer-bg:#0F1E27;
  --shadow-sm:0 1px 2px rgba(18,52,78,.05);
  --shadow-card:0 10px 30px -12px rgba(18,52,78,.14);
  --shadow-hover:0 18px 42px -16px rgba(18,52,78,.22);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
}
*,*::before,*::after{box-sizing:border-box;}
html{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:1.8;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
h1{font-size:clamp(30px,3.6vw,46px);line-height:1.25;font-weight:700;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-strong);}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(20,97,140,.22);border-radius:6px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (max-width:767.98px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- Header / Nav ---------- */
.rz-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.rz-header.is-scrolled{box-shadow:var(--shadow-sm);backdrop-filter:blur(8px);}
.rz-header__inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.rz-logo{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;flex:0 0 auto;}
.rz-logo__main{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.rz-logo__sub{font-size:11px;color:var(--ink-3);letter-spacing:.16em;margin-top:2px;}
.rz-logo:hover .rz-logo__main{color:var(--primary);}
.rz-nav{display:flex;align-items:center;gap:30px;}
.rz-nav__link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .18s ease;
}
.rz-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.rz-nav__link:hover{color:var(--primary);}
.rz-nav__link.is-active{color:var(--primary);}
.rz-nav__link.is-active::after{transform:scaleX(1);}
.rz-head__actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.rz-icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--ink-2);
  cursor:pointer;transition:all .18s ease;
}
.rz-icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.rz-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:500;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;line-height:1.2;
}
.rz-btn--primary{background:var(--accent);color:#fff;border-color:var(--accent);}
.rz-btn--primary:hover{background:#cf5523;border-color:#cf5523;color:#fff;transform:translateY(-1px);}
.rz-btn--outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.rz-btn--outline:hover{background:var(--primary-soft);color:var(--primary-strong);}
.rz-btn--blue{background:var(--primary);color:#fff;border-color:var(--primary);}
.rz-btn--blue:hover{background:var(--primary-strong);border-color:var(--primary-strong);color:#fff;transform:translateY(-1px);}
.rz-burger{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.rz-burger span{display:block;width:18px;height:1.6px;background:var(--ink);transition:all .2s ease;}
.rz-drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform .28s ease;box-shadow:-14px 0 40px -20px rgba(18,52,78,.4);
  padding:22px 22px 32px;display:flex;flex-direction:column;
}
.rz-drawer.is-open{transform:translateX(0);}
.rz-drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);}
.rz-drawer__title{font-size:16px;font-weight:600;color:var(--ink);}
.rz-drawer__close{width:36px;height:36px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink-2);cursor:pointer;}
.rz-drawer__link{
  display:flex;align-items:center;height:56px;font-size:16px;color:var(--ink-2);
  border-bottom:1px solid var(--line);transition:color .18s ease,padding-left .18s ease;
}
.rz-drawer__link:hover,.rz-drawer__link.is-active{color:var(--primary);padding-left:4px;}
.rz-mask{
  position:fixed;inset:0;background:rgba(15,30,39,.42);z-index:1050;opacity:0;visibility:hidden;transition:opacity .25s ease;
}
.rz-mask.is-open{opacity:1;visibility:visible;}
@media (max-width:1199.98px){.rz-nav{gap:22px;}.rz-nav__link{font-size:14px;}}
@media (max-width:991.98px){
  .rz-nav,.rz-head__actions .rz-btn{display:none;}
  .rz-burger{display:flex;}
  .rz-header__inner{height:60px;}
}

/* ---------- Hero ---------- */
.rz-hero{background:var(--surface);border-bottom:1px solid var(--line);}
.rz-crumb{font-size:13px;color:var(--ink-3);letter-spacing:.02em;padding:18px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.rz-crumb a{color:var(--ink-3);}
.rz-crumb a:hover{color:var(--primary);}
.rz-crumb__sep{width:1px;height:12px;background:var(--line);display:inline-block;}
.rz-crumb__now{color:var(--ink);}
.rz-hero__grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  padding:36px 0 56px;
}
.rz-hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;
  color:var(--primary);background:var(--primary-soft);border-radius:var(--radius-pill);padding:6px 14px;
  margin-bottom:18px;
}
.rz-hero__lead{font-size:16px;color:var(--ink-2);margin-top:16px;max-width:56ch;}
.rz-hero__media{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.rz-hero__media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rz-hero__chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.rz-chip{
  font-size:13px;color:var(--ink-2);background:var(--bg);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:7px 15px;
}
@media (max-width:991.98px){
  .rz-hero__grid{grid-template-columns:1fr;gap:28px;padding:26px 0 44px;}
  .rz-hero__media img{aspect-ratio:16/9;}
}

/* ---------- Sections ---------- */
.rz-section{padding:96px 0;}
.rz-section--tight{padding:72px 0;}
.rz-section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.rz-section__head{max-width:760px;margin-bottom:40px;}
.rz-section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.rz-section__label{
  font-size:12px;letter-spacing:.14em;color:var(--accent);font-weight:600;margin-bottom:12px;
}
.rz-section__desc{margin-top:14px;color:var(--ink-2);}
@media (max-width:991.98px){.rz-section{padding:72px 0;}.rz-section--tight{padding:56px 0;}}
@media (max-width:767.98px){.rz-section{padding:56px 0;}}

/* ---------- Table ---------- */
.rz-table-wrap{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);overflow:hidden;box-shadow:var(--shadow-sm);}
.rz-table{width:100%;border-collapse:collapse;font-size:15px;}
.rz-table th,.rz-table td{text-align:left;padding:18px 22px;border-bottom:1px solid var(--line);vertical-align:top;}
.rz-table th{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.06em;background:var(--bg);}
.rz-table tr:last-child td{border-bottom:none;}
.rz-table td:first-child{color:var(--ink);font-weight:600;width:30%;}
.rz-table td:nth-child(2){width:32%;color:var(--ink-2);}
.rz-table td:nth-child(3){color:var(--ink-2);}
.rz-table tbody tr:hover{background:#FBFDFE;}
@media (max-width:767.98px){
  .rz-table,.rz-table thead,.rz-table tbody,.rz-table tr,.rz-table th,.rz-table td{display:block;width:100%;}
  .rz-table thead{display:none;}
  .rz-table tr{border-bottom:1px solid var(--line);padding:8px 0;}
  .rz-table td{padding:6px 18px;border-bottom:none;}
  .rz-table td:first-child{width:100%;}
  .rz-table td:nth-child(2){width:100%;color:var(--ink-3);}
  .rz-table td:nth-child(2)::before{content:"可能原因：";}
  .rz-table td:nth-child(3)::before{content:"建议操作：";}
}

/* ---------- Steps ---------- */
.rz-steps{position:relative;padding-left:34px;}
.rz-steps::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:1px;background:var(--line);}
.rz-step{position:relative;padding:0 0 34px 0;}
.rz-step:last-child{padding-bottom:0;}
.rz-step__no{
  position:absolute;left:-34px;top:2px;width:24px;height:24px;border-radius:50%;
  background:var(--surface);border:1px solid var(--primary);color:var(--primary);
  font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.rz-step__title{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.rz-step__text{font-size:15px;color:var(--ink-2);}
.rz-step__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.rz-tag{
  font-size:12px;border-radius:var(--radius-pill);padding:4px 12px;
  background:var(--primary-soft);color:var(--primary);
}
.rz-tag--accent{background:var(--accent-soft);color:var(--accent);}

/* ---------- Cards ---------- */
.rz-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;height:100%;display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.rz-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--primary-soft);}
.rz-card__media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);margin-bottom:20px;}
.rz-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.rz-card:hover .rz-card__media img{transform:scale(1.03);}
.rz-card__badge{margin-bottom:14px;}
.rz-badge{
  display:inline-block;font-size:12px;border-radius:var(--radius-pill);padding:4px 12px;
  background:var(--primary-soft);color:var(--primary);
}
.rz-card__title{font-size:19px;margin-bottom:10px;}
.rz-card__text{font-size:15px;color:var(--ink-2);}
.rz-card__foot{margin-top:auto;padding-top:18px;font-size:13px;color:var(--ink-3);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.rz-link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--primary);}
.rz-link-more svg{transition:transform .2s ease;}
.rz-link-more:hover svg{transform:translateX(2px);}

/* ---------- FAQ ---------- */
.rz-faq{border-top:1px solid var(--line);}
.rz-faq__item{border-bottom:1px solid var(--line);}
.rz-faq__q{
  width:100%;background:transparent;border:none;text-align:left;cursor:pointer;
  padding:24px 46px 24px 0;position:relative;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s ease;line-height:1.6;
}
.rz-faq__q:hover{color:var(--primary);}
.rz-faq__q::after{
  content:"";position:absolute;right:8px;top:50%;width:14px;height:1.8px;background:var(--primary);
  transform:translateY(-50%);transition:transform .2s ease;
}
.rz-faq__q::before{
  content:"";position:absolute;right:14.1px;top:50%;width:1.8px;height:14px;background:var(--primary);
  transform:translateY(-50%);transition:transform .2s ease,opacity .2s ease;
}
.rz-faq__item.is-open .rz-faq__q{color:var(--primary);}
.rz-faq__item.is-open .rz-faq__q::before{transform:translateY(-50%) scaleY(0);opacity:0;}
.rz-faq__a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.rz-faq__a-inner{padding:0 46px 26px 0;font-size:15px;color:var(--ink-2);}
.rz-faq__a-inner ul{margin:10px 0 0;padding-left:0;}
.rz-faq__a-inner li{position:relative;padding-left:18px;margin-bottom:8px;font-size:15px;}
.rz-faq__a-inner li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:1.6px;background:var(--accent);}

/* ---------- Quote / note ---------- */
.rz-note{
  background:var(--primary-soft);border-radius:var(--radius-card);padding:34px 36px;
  border-left:3px solid var(--primary);
}
.rz-note__text{font-size:16px;color:var(--ink);margin-bottom:0;}
.rz-note__meta{margin-top:16px;font-size:13px;color:var(--ink-3);letter-spacing:.02em;}

/* ---------- Related links ---------- */
.rz-rel{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.rz-rel:hover{box-shadow:var(--shadow-card);transform:translateY(-3px);border-color:var(--primary-soft);}
.rz-rel__name{font-size:16px;font-weight:600;color:var(--ink);}
.rz-rel__desc{font-size:13px;color:var(--ink-3);margin-top:4px;}
.rz-rel__arrow{color:var(--primary);flex:0 0 auto;}

/* ---------- CTA ---------- */
.rz-cta{
  background:var(--primary-soft);border-radius:20px;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.rz-cta__title{font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:10px;}
.rz-cta__text{font-size:15px;color:var(--ink-2);max-width:60ch;}
.rz-cta__actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
@media (max-width:767.98px){.rz-cta{padding:34px 24px;gap:22px;}}

/* ---------- Footer ---------- */
.rz-footer{background:var(--footer-bg);color:#C6D2DA;padding:72px 0 26px;margin-top:0;}
.rz-footer__grid{row-gap:36px;}
.rz-footer__brand{font-size:20px;font-weight:700;color:#fff;letter-spacing:-.01em;}
.rz-footer__sub{font-size:11px;letter-spacing:.16em;color:#8FA3B0;margin:4px 0 16px;}
.rz-footer p{font-size:14px;line-height:1.85;color:#AEBEC9;}
.rz-footer__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.rz-footer__tags span{font-size:12px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-pill);padding:4px 12px;color:#C6D2DA;}
.rz-footer__title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.rz-footer__list li{margin-bottom:11px;}
.rz-footer__list a{font-size:14px;color:#AEBEC9;display:inline-block;transition:color .18s ease,transform .18s ease;}
.rz-footer__list a:hover{color:#fff;transform:translateX(2px);}
.rz-footer__text{font-size:14px;color:#AEBEC9;line-height:2;}
.rz-footer__bar{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA3B0;
}
.rz-footer__bar a{color:#AEBEC9;}
.rz-footer__bar a:hover{color:#fff;}
@media (max-width:991.98px){.rz-footer{padding:56px 0 22px;}}

/* roulang page: category5 */
:root{
  --primary:#14618C;
  --primary-strong:#0E4A6D;
  --primary-soft:#E8F1F7;
  --accent:#E8622C;
  --accent-soft:#FDEDE4;
  --ink:#12222C;
  --ink-2:#45596A;
  --ink-3:#7C8C99;
  --line:#E2E9EF;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --footer-bg:#0F1E27;
  --shadow-sm:0 1px 2px rgba(18,52,78,.05);
  --shadow-card:0 10px 30px -12px rgba(18,52,78,.14);
  --shadow-hover:0 18px 42px -16px rgba(18,52,78,.22);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-input:10px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-strong);}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em;}
h1{font-size:clamp(30px,3.6vw,46px);line-height:1.25;font-weight:700;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(20,97,140,.28);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}
.rz-section{padding:96px 0;}
.rz-section--tight{padding:72px 0;}
.rz-section--bg{background:var(--bg);}
.rz-section--white{background:var(--surface);}
.rz-head{margin-bottom:36px;max-width:760px;}
.rz-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.rz-head__eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:4px 14px;margin-bottom:14px;font-weight:500;
}
.rz-head p{margin-top:14px;color:var(--ink-2);}

/* ============ 页头导航 ============ */
.rz-header{
  position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background .2s ease;
}
.rz-header.is-scrolled{box-shadow:var(--shadow-sm);backdrop-filter:blur(8px);background:rgba(255,255,255,.88);}
.rz-header__inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.rz-logo{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto;}
.rz-logo__main{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.rz-logo__sub{font-size:11px;letter-spacing:.14em;color:var(--ink-3);font-weight:500;}
.rz-logo:hover .rz-logo__main{color:var(--primary);}
.rz-nav{display:flex;align-items:center;gap:30px;}
.rz-nav__link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:6px 0;white-space:nowrap;
}
.rz-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.rz-nav__link:hover{color:var(--primary);}
.rz-nav__link:hover::after{transform:scaleX(1);}
.rz-nav__link.is-active{color:var(--primary);font-weight:600;}
.rz-nav__link.is-active::after{transform:scaleX(1);}
.rz-header__actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.rz-icon-btn{
  width:40px;height:40px;border-radius:var(--radius-btn);border:1px solid var(--line);background:var(--surface);
  color:var(--primary);display:inline-flex;align-items:center;justify-content:center;transition:all .18s ease;
}
.rz-icon-btn:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-strong);}
.rz-burger{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.rz-burger span{display:block;width:18px;height:1.6px;background:var(--ink);border-radius:2px;transition:all .2s ease;}

/* 抽屉 */
.rz-drawer-mask{
  position:fixed;inset:0;background:rgba(15,30,39,.38);opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;z-index:1050;
}
.rz-drawer-mask.is-open{opacity:1;visibility:visible;}
.rz-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:var(--surface);
  z-index:1060;transform:translateX(102%);transition:transform .26s ease;padding:22px 20px 32px;
  display:flex;flex-direction:column;box-shadow:-16px 0 40px -24px rgba(18,52,78,.4);
}
.rz-drawer.is-open{transform:translateX(0);}
.rz-drawer__top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.rz-drawer__close{
  width:36px;height:36px;border-radius:var(--radius-btn);border:1px solid var(--line);background:var(--surface);
  color:var(--ink-2);font-size:15px;
}
.rz-drawer__list{margin-top:10px;}
.rz-drawer__list a{
  display:block;font-size:16px;line-height:56px;color:var(--ink-2);border-bottom:1px solid var(--line);
}
.rz-drawer__list a.is-active{color:var(--primary);font-weight:600;}
.rz-drawer__cta{margin-top:auto;padding-top:20px;}

/* ============ 按钮 ============ */
.rz-btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;transition:all .18s ease;cursor:pointer;
  line-height:1.4;
}
.rz-btn--accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm);}
.rz-btn--accent:hover{background:#cf5525;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-card);}
.rz-btn--primary{background:var(--primary);color:#fff;}
.rz-btn--primary:hover{background:var(--primary-strong);color:#fff;transform:translateY(-1px);}
.rz-btn--ghost{background:var(--surface);border-color:var(--primary);color:var(--primary);}
.rz-btn--ghost:hover{background:var(--primary-soft);color:var(--primary-strong);}
.rz-btn--sm{padding:9px 16px;font-size:14px;}
.rz-link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;}
.rz-link-more i{transition:transform .18s ease;font-size:12px;}
.rz-link-more:hover i{transform:translateX(2px);}

/* ============ 面包屑 ============ */
.rz-crumb{font-size:13px;color:var(--ink-3);letter-spacing:.02em;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.rz-crumb a{color:var(--ink-3);}
.rz-crumb a:hover{color:var(--primary);}
.rz-crumb span.sep{color:var(--line);}
.rz-crumb .cur{color:var(--ink);}

/* ============ 分类 Hero ============ */
.rz-hero{
  background:var(--surface);border-bottom:1px solid var(--line);
  padding:40px 0 72px;
}
.rz-hero__crumb{margin-bottom:28px;}
.rz-hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.rz-chip{
  display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--accent);
  background:var(--accent-soft);border-radius:999px;padding:4px 13px;font-weight:600;margin-bottom:16px;
}
.rz-hero h1{margin-bottom:18px;}
.rz-hero__lead{font-size:17px;color:var(--ink-2);max-width:560px;}
.rz-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 22px;}
.rz-hero__points{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--ink-3);}
.rz-hero__points li{display:flex;align-items:center;gap:7px;}
.rz-hero__points li+li{padding-left:18px;border-left:1px solid var(--line);}
.rz-hero__points i{color:var(--primary);font-size:12px;}
.rz-hero__figure{
  margin:0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);background:var(--bg);position:relative;
}
.rz-hero__figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rz-hero__figcap{
  font-size:12px;color:var(--ink-3);padding:10px 14px;background:var(--surface);border-top:1px solid var(--line);
}
.rz-float-card{
  position:absolute;left:18px;bottom:56px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow-card);padding:12px 16px;max-width:210px;
}
.rz-float-card b{display:block;font-size:22px;color:var(--primary);font-weight:700;line-height:1.2;}
.rz-float-card span{font-size:12px;color:var(--ink-3);line-height:1.6;}

/* ============ 指标条 ============ */
.rz-metrics{background:var(--bg);}
.rz-metric{padding-top:16px;position:relative;}
.rz-metric::before{content:"";position:absolute;top:0;left:0;width:44px;height:2px;background:var(--primary);}
.rz-metric__num{font-size:clamp(34px,4vw,46px);font-weight:700;color:var(--primary);line-height:1.1;}
.rz-metric__num em{font-style:normal;color:var(--accent);font-size:.6em;margin-left:4px;font-weight:600;}
.rz-metric__label{font-size:13px;color:var(--ink-3);margin-top:8px;letter-spacing:.02em;}

/* ============ 卡片 ============ */
.rz-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);padding:26px 24px;height:100%;display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.rz-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--primary-soft);}
.rz-card__icon{
  width:46px;height:46px;border-radius:12px;background:var(--primary-soft);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.rz-card h3{margin-bottom:10px;font-size:19px;}
.rz-card p{font-size:15px;color:var(--ink-2);}
.rz-card__foot{margin-top:auto;padding-top:16px;}
.rz-tags{display:flex;flex-wrap:wrap;gap:8px;}
.rz-tag{
  font-size:12px;border-radius:999px;padding:3px 11px;background:var(--primary-soft);color:var(--primary);
  font-weight:500;letter-spacing:.02em;
}
.rz-tag--accent{background:var(--accent-soft);color:var(--accent);}

/* ============ 编号流程 ============ */
.rz-steps{border-top:1px solid var(--line);}
.rz-step{
  display:grid;grid-template-columns:88px 1fr;gap:26px;padding:30px 0;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.rz-step:hover{background:rgba(232,241,247,.45);}
.rz-step__no{font-size:26px;font-weight:700;color:var(--primary);letter-spacing:-.02em;position:relative;}
.rz-step__no::after{
  content:"";position:absolute;left:6px;top:44px;width:2px;height:calc(100% + 12px);background:var(--line);
}
.rz-step:last-child .rz-step__no::after{display:none;}
.rz-step h3{margin-bottom:8px;font-size:19px;}
.rz-step p{font-size:15px;margin:0;}
.rz-step__meta{font-size:13px;color:var(--ink-3);margin-top:10px;}

/* ============ 信息表 ============ */
.rz-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);}
.rz-table{width:100%;border-collapse:collapse;min-width:640px;}
.rz-table th,.rz-table td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top;}
.rz-table th{
  font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.04em;background:var(--bg);
}
.rz-table tbody tr:last-child td{border-bottom:none;}
.rz-table tbody tr:hover{background:rgba(232,241,247,.4);}
.rz-table td strong{color:var(--ink);font-weight:600;}

/* ============ FAQ ============ */
.rz-faq{border-top:1px solid var(--line);}
.rz-faq__item{border-bottom:1px solid var(--line);}
.rz-faq__q{
  width:100%;background:transparent;border:0;padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:20px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  cursor:pointer;transition:color .2s ease;
}
.rz-faq__q:hover{color:var(--primary);}
.rz-faq__icon{width:16px;height:16px;position:relative;flex:0 0 16px;}
.rz-faq__icon::before,.rz-faq__icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .2s ease;
}
.rz-faq__icon::before{left:0;right:0;top:7px;height:2px;}
.rz-faq__icon::after{top:0;bottom:0;left:7px;width:2px;}
.rz-faq__q[aria-expanded="true"] .rz-faq__icon::after{transform:scaleY(0);}
.rz-faq__a{padding:0 0 24px;font-size:15px;color:var(--ink-2);max-width:820px;}

/* ============ 清单对照 ============ */
.rz-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 26px;height:100%;box-shadow:var(--shadow-sm);
}
.rz-panel__title{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.rz-panel__title i{color:var(--primary);font-size:15px;}
.rz-check li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px;}
.rz-check li:last-child{border-bottom:none;}
.rz-check i{color:var(--primary);font-size:13px;margin-top:6px;flex:0 0 auto;}
.rz-check--warn i{color:var(--accent);}

/* ============ CTA 带 ============ */
.rz-cta-band{
  background:var(--primary-soft);border-radius:20px;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.rz-cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.rz-cta-band p{color:var(--ink-2);max-width:640px;font-size:15.5px;}
.rz-cta-band__actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* ============ 相关分类 ============ */
.rz-rel{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.rz-rel__card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  display:flex;flex-direction:column;transition:all .2s ease;box-shadow:var(--shadow-sm);
}
.rz-rel__card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);}
.rz-rel__card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rz-rel__body{padding:20px;display:flex;flex-direction:column;flex:1;}
.rz-rel__body h3{font-size:17px;margin-bottom:8px;}
.rz-rel__body p{font-size:14px;color:var(--ink-2);margin-bottom:16px;}
.rz-rel__body .rz-link-more{margin-top:auto;font-size:14px;}

/* ============ 页脚 ============ */
.rz-footer{background:var(--footer-bg);color:#C8D4DC;padding:72px 0 26px;margin-top:0;}
.rz-footer__grid{row-gap:36px;}
.rz-footer__brand{font-size:20px;font-weight:700;color:#fff;letter-spacing:-.01em;}
.rz-footer__sub{font-size:11px;letter-spacing:.16em;color:#8FA3AE;margin-bottom:16px;}
.rz-footer p{font-size:14px;color:#A9BAC4;line-height:1.85;}
.rz-footer__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.rz-footer__tags span{font-size:12px;color:#BBD0DC;border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:3px 12px;}
.rz-footer__title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.rz-footer__list li{margin-bottom:10px;}
.rz-footer__list a{font-size:14px;color:#A9BAC4;display:inline-block;transition:all .18s ease;}
.rz-footer__list a:hover{color:#fff;transform:translateX(2px);}
.rz-footer__text{font-size:14px;color:#A9BAC4;}
.rz-footer__bar{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA3AE;
}
.rz-footer__bar a{color:#A9BAC4;font-size:13px;}
.rz-footer__bar a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .rz-nav{gap:22px;}
  .rz-nav__link{font-size:14px;}
  .rz-section{padding:80px 0;}
  .rz-rel{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .rz-nav{display:none;}
  .rz-burger{display:inline-flex;}
  .rz-hero__grid{grid-template-columns:1fr;gap:36px;}
  .rz-hero{padding:32px 0 56px;}
  .rz-section{padding:72px 0;}
  .rz-cta-band{padding:40px 32px;}
  .rz-step{grid-template-columns:64px 1fr;gap:18px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .container{padding-left:16px;padding-right:16px;}
  .rz-header__inner{height:60px;}
  .rz-icon-btn{display:none;}
  .rz-section{padding:56px 0;}
  .rz-section--tight{padding:48px 0;}
  .rz-hero__points{gap:10px;}
  .rz-hero__points li+li{padding-left:0;border-left:none;}
  .rz-float-card{position:static;margin-top:14px;max-width:none;}
  .rz-rel{grid-template-columns:1fr;}
  .rz-cta-band{padding:32px 22px;border-radius:16px;}
  .rz-footer{padding:56px 0 22px;}
  .rz-faq__q{font-size:16px;padding:18px 0;}
  .rz-panel{padding:22px 18px;}
}
@media (max-width:519.98px){
  h1{font-size:27px;}
  .rz-hero__actions .rz-btn{width:100%;justify-content:center;}
  .rz-metric__num{font-size:32px;}
}