/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --primary:#1B5E8C;
  --primary-700:#123F63;
  --primary-100:#E7F0F7;
  --primary-050:#F1F7FB;
  --accent:#12A594;
  --accent-100:#E6F6F4;
  --warn:#E8873A;
  --warn-100:#FDF1E6;
  --text:#10202E;
  --body:#22333F;
  --muted:#5B6B7A;
  --weak:#8A99A6;
  --border:#E3EAF1;
  --divider:#EEF3F7;
  --bg:#F3F7FA;
  --card:#FFFFFF;
  --footer-bg:#0F1E2B;
  --footer-text:#C7D3DD;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,42,67,.06);
  --sh-md:0 8px 24px rgba(16,42,67,.08);
  --sh-lg:0 16px 36px rgba(16,42,67,.12);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background-color:var(--bg);
  letter-spacing:.015em;
  -webkit-font-smoothing:antialiased;
}
body.rl-no-scroll{overflow:hidden;}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-cn);
  color:var(--text);
  font-weight:700;
  line-height:1.3;
  letter-spacing:.015em;
}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--primary);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
::selection{background:var(--primary-100);color:var(--primary-700);}

/* ============ 容器 ============ */
.grid-container.rl-container{
  max-width:1200px;
  padding-left:32px;
  padding-right:32px;
  margin-left:auto;
  margin-right:auto;
}

/* ============ 通用按钮 ============ */
.rl-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;
}
.rl-btn--primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm);}
.rl-btn--primary:hover{background:var(--primary-700);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.rl-btn--primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.rl-btn--outline{background:#fff;color:var(--primary);border-color:var(--border);}
.rl-btn--outline:hover{background:var(--primary-100);border-color:var(--primary);color:var(--primary-700);transform:translateY(-2px);}
.rl-btn--outline:active{transform:translateY(0);}
.rl-btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.rl-btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.rl-btn--lg{min-height:50px;padding:0 28px;font-size:16px;}
.rl-btn--block{width:100%;}
.rl-btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}

/* ============ 徽章与标签 ============ */
.rl-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 12px;
  border:1px solid var(--accent);
  border-radius:var(--r-pill);
  font-size:13px;
  line-height:1.6;
  color:var(--accent);
  background:#fff;
  white-space:nowrap;
}
.rl-badge--solid{background:var(--accent);color:#fff;border-color:var(--accent);}
.rl-tag{
  display:inline-flex;
  align-items:center;
  padding:2px 10px;
  border-radius:var(--r-sm);
  background:var(--primary-100);
  color:var(--primary-700);
  font-size:13px;
  line-height:1.7;
}
.rl-stamp{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border:1px solid var(--primary);
  border-radius:var(--r-sm);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  letter-spacing:.05em;
  background:#fff;
}
.rl-stamp::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
}
.rl-tag-warn{
  display:inline-flex;
  align-items:center;
  padding:3px 12px;
  border-radius:var(--r-pill);
  background:var(--warn);
  color:#fff;
  font-size:13px;
  line-height:1.7;
}

/* ============ 链接箭头 ============ */
.rl-link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
}
.rl-link-arrow i{transition:transform .18s ease;font-size:12px;}
.rl-link-arrow:hover{color:var(--primary-700);text-decoration:underline;text-underline-offset:3px;}
.rl-link-arrow:hover i{transform:translateX(3px);}

/* ============ 倒计时条 ============ */
.rl-countdown{
  background:var(--primary-700);
  color:#fff;
  min-height:48px;
  display:flex;
  align-items:center;
}
.rl-countdown__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  min-height:48px;
  padding-top:6px;
  padding-bottom:6px;
}
.rl-countdown__label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 14px;
  border:1px solid var(--warn);
  border-radius:var(--r-pill);
  color:var(--warn);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.rl-countdown__clock{
  display:flex;
  align-items:center;
  gap:14px;
  font-variant-numeric:tabular-nums;
}
.rl-countdown__unit{display:flex;align-items:baseline;gap:4px;}
.rl-countdown__unit b{
  font-size:20px;
  font-weight:700;
  color:var(--warn);
  letter-spacing:.02em;
}
.rl-countdown__unit i{font-style:normal;font-size:12px;color:rgba(255,255,255,.75);}
.rl-countdown__sep{width:1px;height:18px;background:rgba(255,255,255,.35);}

/* ============ 顶部导航 ============ */
.rl-header{
  position:sticky;
  top:0;
  z-index:900;
  background:#fff;
  border-bottom:1px solid var(--divider);
  transition:box-shadow .2s ease;
}
.rl-header.is-stuck{box-shadow:var(--sh-sm);}
.rl-header__inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.rl-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-size:19px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.02em;
}
.rl-logo:hover{color:var(--primary);}
.rl-logo__mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--primary);
  position:relative;
  flex:0 0 34px;
}
.rl-logo__mark::before{
  content:"";
  position:absolute;
  inset:9px;
  border:2px solid rgba(255,255,255,.92);
  border-radius:5px;
}
.rl-logo__mark::after{
  content:"";
  position:absolute;
  right:5px;bottom:5px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--accent);
}
.rl-nav{flex:1 1 auto;display:flex;justify-content:center;}
.rl-nav__list{display:flex;align-items:center;gap:4px;}
.rl-nav__item{position:relative;}
.rl-nav__link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:500;
  color:var(--body);
}
.rl-nav__link i{font-size:10px;color:var(--weak);transition:transform .2s ease;}
.rl-nav__link:hover{background:var(--primary-050);color:var(--primary);}
.rl-nav__link.is-active{color:var(--primary);font-weight:600;}
.rl-nav__link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;
  bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
}
.rl-nav__item.has-mega:hover .rl-nav__link i,
.rl-nav__item.has-mega:focus-within .rl-nav__link i{transform:rotate(180deg);}

.rl-header__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.rl-icon-btn{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--muted);
  transition:all .18s ease;
}
.rl-icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-050);}
.rl-burger{display:none;}

/* Mega Menu */
.rl-mega{
  position:absolute;
  top:calc(100% - 2px);
  left:50%;
  width:780px;
  max-width:calc(100vw - 64px);
  transform:translateX(-50%) translateY(-6px);
  background:#fff;
  border-radius:16px;
  box-shadow:0 16px 40px rgba(16,42,67,.12);
  border-top:3px solid var(--primary);
  padding:26px 28px;
  display:grid;
  grid-template-columns:1.15fr 1.15fr 1fr;
  gap:26px;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.rl-nav__item.has-mega:hover .rl-mega,
.rl-nav__item.has-mega:focus-within .rl-mega{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:translateX(-50%) translateY(0);
}
.rl-mega__title{
  font-size:13px;
  font-weight:700;
  color:var(--weak);
  letter-spacing:.08em;
  margin-bottom:12px;
}
.rl-mega__links li+li{margin-top:2px;}
.rl-mega__links a{
  display:block;
  padding:7px 0;
  font-size:14px;
  color:var(--body);
  transition:color .18s ease,transform .18s ease;
}
.rl-mega__links a:hover{color:var(--primary);transform:translateX(2px);}
.rl-mega__news li+li{margin-top:12px;}
.rl-mega__news a{display:block;}
.rl-mega__news span{
  display:block;
  font-size:14px;
  color:var(--body);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  transition:color .18s ease;
}
.rl-mega__news a:hover span{color:var(--primary);}
.rl-mega__news em{
  display:block;
  font-style:normal;
  font-size:12px;
  color:var(--weak);
  font-variant-numeric:tabular-nums;
  margin-top:2px;
}
.rl-mega__cards{display:grid;gap:12px;}
.rl-mega__card{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:16/10;
  display:block;
}
.rl-mega__card img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1);}
.rl-mega__card:hover img{transform:scale(1.05);}
.rl-mega__card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(15,30,43,.78),rgba(15,30,43,0) 62%);
}
.rl-mega__card b{
  position:absolute;
  left:12px;right:12px;bottom:10px;
  z-index:2;
  color:#fff;
  font-size:14px;
  font-weight:600;
}

/* 移动端抽屉 */
.rl-mobile-mask{
  position:fixed;
  inset:0;
  background:rgba(15,30,43,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;
  z-index:940;
}
.rl-mobile-mask.is-open{opacity:1;visibility:visible;}

/* ============ 首屏 Hero ============ */
.rl-hero{
  position:relative;
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(27,94,140,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(27,94,140,.04) 1px,transparent 1px);
  background-size:40px 40px,40px 40px;
  padding:80px 0 88px;
}
.rl-hero__grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.rl-hero__text h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.25;
  margin:20px 0 16px;
  max-width:14em;
}
.rl-hero__sub{
  font-size:17px;
  line-height:1.8;
  color:var(--muted);
  max-width:32em;
}
.rl-hero__actions{
  display:flex;
  gap:12px;
  margin:32px 0 34px;
  flex-wrap:wrap;
}
.rl-hero__stats{
  display:flex;
  gap:40px;
  flex-wrap:wrap;
  padding-top:26px;
  border-top:1px solid var(--border);
}
.rl-hero__stats li{display:flex;flex-direction:column;gap:2px;}
.rl-hero__stats strong{
  font-size:24px;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.rl-hero__stats span{font-size:13px;color:var(--weak);}
.rl-hero__media{position:relative;}
.rl-hero__media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-lg);
}
.rl-hero__badge{
  position:absolute;
  top:18px;
  right:18px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:#fff;
  font-size:13px;
  font-weight:600;
  box-shadow:var(--sh-md);
}

/* ============ 通用板块 ============ */
.rl-section{padding:88px 0;}
.rl-section--alt{background:#fff;}
.rl-section__head{max-width:760px;margin-bottom:40px;}
.rl-section__head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.32;
}
.rl-section__head p{
  margin-top:14px;
  font-size:16px;
  color:var(--muted);
}
.rl-section__head--row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  max-width:none;
}

/* ============ 活动卖点 ============ */
.rl-points__list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px 40px;
}
.rl-point{
  display:flex;
  gap:22px;
  align-items:flex-start;
  padding:28px 30px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rl-point:nth-child(even){margin-top:26px;}
.rl-point:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#D3E1EC;}
.rl-point__num{
  flex:0 0 auto;
  font-size:40px;
  line-height:1;
  font-weight:700;
  color:#DCE6EF;
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.rl-point h3{font-size:20px;margin-bottom:8px;}
.rl-point p{font-size:15px;color:var(--muted);line-height:1.8;}
.rl-point__icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;height:26px;
  margin-bottom:10px;
  border-radius:var(--r-sm);
  background:var(--accent-100);
  color:var(--accent);
  font-size:13px;
}

/* ============ 亮点图墙 ============ */
.rl-gallery__row{
  display:grid;
  gap:20px;
  margin-bottom:20px;
}
.rl-gallery__row--1{grid-template-columns:2fr 1fr;}
.rl-gallery__row--2{grid-template-columns:repeat(3,1fr);}
.rl-gcard{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.rl-gcard:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.rl-gcard img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s cubic-bezier(.22,.61,.36,1);
}
.rl-gcard:hover img{transform:scale(1.04);}
.rl-gcard--wide img{aspect-ratio:16/9;}
.rl-gcard--tall img{aspect-ratio:3/4;}
.rl-gcard--small img{aspect-ratio:4/3;}
.rl-gcard::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(15,30,43,.72),rgba(15,30,43,0) 60%);
}
.rl-gcard__badge{
  position:absolute;
  top:14px;left:14px;
  z-index:2;
  padding:3px 12px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:600;
}
.rl-gcard__title{
  position:absolute;
  left:20px;right:20px;bottom:18px;
  z-index:2;
  color:#fff;
  font-size:19px;
  font-weight:600;
  line-height:1.4;
}
.rl-gcard--small .rl-gcard__title{font-size:17px;}

/* ============ 最新信息（CMS 数据注入区） ============ */
.rl-news__grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.rl-news-card{
  display:flex;
  gap:18px;
  padding:18px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rl-news-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-lg);
  border-color:var(--primary);
}
.rl-news-card__thumb{
  flex:0 0 120px;
  width:120px;height:84px;
  border-radius:10px;
  overflow:hidden;
  background:var(--primary-100);
}
.rl-news-card__thumb img{width:100%;height:100%;object-fit:cover;}
.rl-news-card__body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:8px;}
.rl-news-card__body h3{
  font-size:17px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rl-news-card__body h3 a:hover{color:var(--primary);}
.rl-news-card__body p{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rl-news-card__meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
}
.rl-news-card__meta time{
  font-size:13px;
  color:var(--weak);
  font-variant-numeric:tabular-nums;
}
.rl-empty{
  grid-column:1/-1;
  min-height:200px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  background:#fff;
  border:1px dashed var(--border);
  border-radius:var(--r-lg);
  color:var(--muted);
  text-align:center;
  padding:36px 20px;
}
.rl-empty i{font-size:44px;color:#CBD9E4;}

/* ============ 参与流程时间线 ============ */
.rl-flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  position:relative;
}
.rl-flow::before{
  content:"";
  position:absolute;
  top:26px;
  left:8%;
  right:8%;
  height:2px;
  background:var(--border);
}
.rl-flow__step{
  position:relative;
  padding:0 18px;
  text-align:center;
}
.rl-flow__dot{
  width:54px;height:54px;
  margin:0 auto 18px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--primary);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:700;
  position:relative;
  z-index:2;
  font-variant-numeric:tabular-nums;
}
.rl-flow__step h3{font-size:17px;margin-bottom:10px;}
.rl-flow__step p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ 反馈与合作 ============ */
.rl-proof{
  background:#fff;
}
.rl-proof__grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.rl-quote{
  padding:28px;
  border:1px solid var(--border);
  border-left:4px solid var(--accent);
  border-radius:0 var(--r-lg) var(--r-lg) 0;
  background:var(--primary-050);
  transition:transform .25s ease,box-shadow .25s ease;
}
.rl-quote:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.rl-quote p{font-size:15px;line-height:1.85;color:var(--body);}
.rl-quote__who{
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--weak);
}
.rl-quote__who b{display:block;color:var(--text);font-size:14px;margin-bottom:2px;}
.rl-proof__metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:32px;
}
.rl-metric{
  padding:22px 20px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
}
.rl-metric dt{font-size:13px;color:var(--weak);margin-bottom:8px;}
.rl-metric dd{
  margin:0;
  font-size:22px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
}

/* ============ 报名 CTA ============ */
.rl-cta{
  background:var(--primary-100);
  border-radius:var(--r-lg);
  position:relative;
  padding:52px 56px;
  overflow:hidden;
}
.rl-cta::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:6px;
  background:var(--primary);
}
.rl-cta__grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.rl-cta h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;}
.rl-cta__desc{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.85;}
.rl-cta__list{margin-top:24px;display:grid;gap:12px;}
.rl-cta__list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--body);
}
.rl-cta__list i{color:var(--accent);font-size:14px;margin-top:6px;}

.rl-form{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-sm);
  display:grid;
  gap:18px;
}
.rl-form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.rl-field{display:grid;gap:8px;}
.rl-field label{font-size:13px;color:var(--muted);font-weight:600;}
.rl-field input,
.rl-field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  color:var(--body);
  line-height:1.6;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.rl-field textarea{min-height:88px;resize:vertical;}
.rl-field input::placeholder,
.rl-field textarea::placeholder{color:#A9B7C2;}
.rl-field input:focus,
.rl-field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(27,94,140,.12);
}
.rl-field.has-error input,
.rl-field.has-error textarea{border-color:var(--warn);}
.rl-field__error{
  font-size:13px;
  color:var(--warn);
  line-height:1.6;
  margin-top:4px;
  min-height:0;
}
.rl-form__foot{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}
.rl-form__tip{font-size:13px;color:var(--weak);line-height:1.7;flex:1 1 220px;}
.rl-form__success{
  margin:0;
  padding:12px 16px;
  border-radius:10px;
  background:var(--accent-100);
  color:#0C7A6E;
  font-size:14px;
}

/* ============ FAQ ============ */
.rl-faq{max-width:860px;margin:0 auto;}
.rl-faq__item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.rl-faq__item:hover{border-color:#D3E1EC;box-shadow:var(--sh-sm);}
.rl-faq__item[open]{
  border-color:#D3E1EC;
  box-shadow:var(--sh-md);
  background:#F8FBFD;
  border-left:3px solid var(--primary);
}
.rl-faq__q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:62px;
  padding:14px 22px;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  cursor:pointer;
  list-style:none;
}
.rl-faq__q::-webkit-details-marker{display:none;}
.rl-faq__q::after{
  content:"";
  flex:0 0 16px;
  width:16px;height:16px;
  background:
    linear-gradient(var(--primary),var(--primary)) center/16px 2px no-repeat,
    linear-gradient(var(--primary),var(--primary)) center/2px 16px no-repeat;
  transition:transform .2s ease;
}
.rl-faq__item[open] .rl-faq__q::after{transform:rotate(45deg);}
.rl-faq__a{padding:0 22px 22px;}
.rl-faq__a p{font-size:15px;line-height:1.85;color:var(--muted);}

/* ============ 页脚前数据收束 ============ */
.rl-closing{
  background:#fff;
  padding:52px 0;
  border-top:1px solid var(--divider);
}
.rl-closing__grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.rl-closing__item{
  text-align:center;
  padding:0 18px;
  border-right:1px solid var(--divider);
}
.rl-closing__item:last-child{border-right:0;}
.rl-closing__item strong{
  display:block;
  font-size:30px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.rl-closing__item span{display:block;margin-top:6px;font-size:13px;color:var(--weak);}

/* ============ 页脚 ============ */
.rl-footer{
  background:var(--footer-bg);
  color:var(--footer-text);
  padding:64px 0 0;
  font-size:14px;
}
.rl-footer__grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.rl-footer__brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.rl-footer__brand .rl-logo__mark{background:#1B5E8C;}
.rl-footer p{line-height:1.9;color:var(--footer-text);}
.rl-footer h4{
  font-size:15px;
  color:#fff;
  margin-bottom:18px;
  font-weight:600;
  letter-spacing:.04em;
}
.rl-footer__links li+li{margin-top:2px;}
.rl-footer__links a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  color:var(--footer-text);
  font-size:14px;
}
.rl-footer__links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.rl-footer__contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  min-height:34px;
  color:var(--footer-text);
}
.rl-footer__contact i{color:#5DA9D6;margin-top:6px;font-size:13px;}
.rl-footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8FA3B4;
}
.rl-footer__bottom a{color:#8FA3B4;}
.rl-footer__bottom a:hover{color:#fff;}

/* ============ 回到顶部 ============ */
.rl-totop{
  position:fixed;
  right:24px;
  bottom:24px;
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:0;
  border-radius:50%;
  background:var(--primary);
  color:#fff;
  box-shadow:var(--sh-md);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .18s ease;
  z-index:800;
}
.rl-totop.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.rl-totop:hover{background:var(--primary-700);}

/* ============ 响应式 ============ */
@media screen and (max-width:1279px){
  .grid-container.rl-container{max-width:1100px;}
  .rl-news__grid{grid-template-columns:repeat(2,1fr);}
}

@media screen and (max-width:1023px){
  .grid-container.rl-container{padding-left:24px;padding-right:24px;}
  .rl-header__inner{padding:0 24px;min-height:68px;}
  .rl-burger{
    display:inline-flex;
    width:44px;height:44px;
    align-items:center;
    justify-content:center;
    border:1px solid var(--border);
    border-radius:var(--r-sm);
    background:#fff;
    color:var(--text);
    font-size:16px;
  }
  .rl-burger:hover{border-color:var(--primary);color:var(--primary);}
  .rl-nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(360px,86vw);
    background:#fff;
    padding:80px 22px 32px;
    flex-direction:column;
    justify-content:flex-start;
    align-items:stretch;
    overflow-y:auto;
    transform:translateX(100%);
    transition:transform .28s ease;
    z-index:950;
    box-shadow:var(--sh-lg);
  }
  .rl-nav.is-open{transform:translateX(0);}
  .rl-nav__list{flex-direction:column;align-items:stretch;gap:0;}
  .rl-nav__item{border-bottom:1px solid var(--divider);}
  .rl-nav__link{
    height:auto;
    min-height:48px;
    padding:12px 4px;
    border-radius:0;
    font-size:16px;
    justify-content:space-between;
    width:100%;
  }
  .rl-nav__link.is-active::after{display:none;}
  .rl-nav__link.is-active{color:var(--primary);}
  .rl-mega{
    position:static;
    width:100%;
    max-width:none;
    transform:none;
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    box-shadow:none;
    border-top:1px solid var(--divider);
    border-radius:0;
    padding:12px 4px 18px;
    grid-template-columns:1fr;
    gap:14px;
  }
  .rl-mega__cards{display:none;}
  .rl-mega__news{display:none;}
  .rl-mega__title{margin-bottom:6px;}
  .rl-mega__links a{padding:10px 0;min-height:44px;display:flex;align-items:center;}
  .rl-hero{padding:56px 0 64px;}
  .rl-hero__grid{grid-template-columns:1fr;gap:36px;}
  .rl-hero__media{order:-1;}
  .rl-hero__media img{aspect-ratio:16/10;}
  .rl-section{padding:64px 0;}
  .rl-points__list{grid-template-columns:1fr;gap:16px;}
  .rl-point:nth-child(even){margin-top:0;}
  .rl-gallery__row--2{grid-template-columns:repeat(2,1fr);}
  .rl-flow{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .rl-flow::before{display:none;}
  .rl-proof__grid{grid-template-columns:1fr;}
  .rl-proof__metrics{grid-template-columns:repeat(2,1fr);}
  .rl-cta{padding:36px 28px;}
  .rl-cta__grid{grid-template-columns:1fr;gap:28px;}
  .rl-closing__grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .rl-closing__item:nth-child(2){border-right:0;}
  .rl-footer__grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}

@media screen and (max-width:767px){
  .rl-countdown__label{font-size:12px;padding:3px 10px;}
  .rl-countdown__unit b{font-size:17px;}
  .rl-countdown__clock{gap:10px;}
  .rl-hero__actions .rl-btn{width:100%;}
  .rl-hero__stats{gap:26px;}
  .rl-gallery__row--1,
  .rl-gallery__row--2{grid-template-columns:1fr;}
  .rl-gcard--tall img{aspect-ratio:16/10;}
  .rl-news__grid{grid-template-columns:1fr;}
  .rl-section__head--row{flex-direction:column;align-items:flex-start;gap:12px;}
  .rl-flow{grid-template-columns:1fr;gap:26px;}
  .rl-proof__metrics{grid-template-columns:1fr;}
  .rl-form__row{grid-template-columns:1fr;}
  .rl-form__foot{flex-direction:column;align-items:stretch;}
  .rl-form__foot .rl-btn{width:100%;}
  .rl-faq__q{font-size:15px;padding:12px 16px;min-height:56px;}
  .rl-faq__a{padding:0 16px 18px;}
  .rl-footer__grid{grid-template-columns:1fr;gap:28px;}
  .rl-closing__grid{grid-template-columns:1fr;gap:22px;}
  .rl-closing__item{border-right:0;border-bottom:1px solid var(--divider);padding-bottom:18px;}
  .rl-closing__item:last-child{border-bottom:0;padding-bottom:0;}
}

@media screen and (max-width:519px){
  .grid-container.rl-container{padding-left:16px;padding-right:16px;}
  .rl-header__inner{padding:0 16px;gap:12px;}
  .rl-logo{font-size:16px;}
  .rl-logo__mark{width:30px;height:30px;flex:0 0 30px;}
  .rl-header__actions .rl-btn{display:none;}
  .rl-hero{padding:40px 0 52px;}
  .rl-section{padding:48px 0;}
  .rl-point{padding:22px 20px;gap:16px;}
  .rl-point__num{font-size:32px;}
  .rl-news-card{flex-direction:column;gap:14px;}
  .rl-news-card__thumb{width:100%;height:160px;flex:0 0 auto;}
  .rl-cta{padding:26px 20px;}
  .rl-form{padding:20px;}
  .rl-countdown__label{display:none;}
  .rl-countdown__inner{justify-content:center;}
  .rl-totop{right:16px;bottom:16px;}
}

/* roulang page: category1 */
:root{
  --primary:#1B5E8C;
  --primary-700:#123F63;
  --primary-100:#E7F0F7;
  --accent:#12A594;
  --accent-100:#E6F5F3;
  --warn:#E8873A;
  --ink:#10202E;
  --text:#22333F;
  --muted:#5B6B7A;
  --soft:#8A99A6;
  --line:#E3EAF1;
  --split:#EEF3F7;
  --page:#F3F7FA;
  --card:#FFFFFF;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:18px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(16,42,67,.06);
  --shadow-md:0 8px 24px rgba(16,42,67,.08);
  --shadow-lg:0 16px 36px rgba(16,42,67,.12);
  --s4:4px;--s8:8px;--s12:12px;--s16:16px;--s24:24px;--s32:32px;--s48:48px;--s64:64px;--s96:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.015em;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease;}
a:hover{color:var(--primary);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.32;letter-spacing:.012em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.rl-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
@media (min-width:1440px){.rl-container{max-width:1260px;}}

/* ============ Header ============ */
.rl-header{
  position:sticky;top:0;z-index:900;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.rl-header.is-scrolled{box-shadow:var(--shadow-sm);}
.rl-header__inner{
  max-width:1200px;margin:0 auto;padding:0 32px;
  height:72px;display:flex;align-items:center;gap:28px;
}
@media (min-width:1440px){.rl-header__inner{max-width:1260px;}}
.rl-logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.rl-logo:hover{color:var(--primary);}
.rl-logo__mark{
  width:26px;height:26px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-700) 100%);
  position:relative;
}
.rl-logo__mark::after{
  content:"";position:absolute;inset:8px;border-radius:3px;
  background:var(--accent);
}
.rl-nav{margin-left:auto;}
.rl-nav__list{display:flex;align-items:center;gap:4px;}
.rl-nav__item{position:relative;}
.rl-nav__link{
  display:inline-flex;align-items:center;gap:6px;
  height:42px;padding:0 14px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;color:var(--text);
  transition:background-color .2s ease,color .2s ease;
}
.rl-nav__link i{font-size:11px;color:var(--soft);transition:transform .2s ease;}
.rl-nav__link:hover,.rl-nav__link:focus{background:var(--primary-100);color:var(--primary);}
.rl-nav__link.is-active{color:var(--primary);font-weight:600;background:var(--primary-100);}
.rl-nav__item:hover .rl-nav__link i,
.rl-nav__item:focus-within .rl-nav__link i{transform:rotate(180deg);}
.rl-header__actions{display:flex;align-items:center;gap:12px;}
.rl-icon-btn{
  width:44px;height:44px;border-radius:var(--radius-pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  cursor:pointer;transition:.2s ease;
}
.rl-icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-100);}
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.rl-btn--primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm);}
.rl-btn--primary:hover{background:var(--primary-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.rl-btn--primary:active{transform:translateY(0);}
.rl-btn--ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.rl-btn--ghost:hover{border-color:var(--primary);background:var(--primary-100);color:var(--primary);}
.rl-btn--sm{height:40px;padding:0 18px;font-size:14px;}

.rl-burger{
  display:none;width:44px;height:44px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}

/* Mega menu */
.rl-mega{
  position:absolute;top:100%;left:50%;transform:translate(-50%,-6px);
  width:780px;background:#fff;border-radius:var(--radius-lg);
  border-top:3px solid var(--primary);
  box-shadow:0 16px 40px rgba(16,42,67,.12);
  padding:26px 28px;display:grid;grid-template-columns:1.1fr 1.2fr 1fr;gap:26px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.rl-nav__item:hover>.rl-mega,
.rl-nav__item:focus-within>.rl-mega{
  opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0);
}
.rl-mega__title{font-size:13px;font-weight:600;color:var(--soft);letter-spacing:.08em;margin-bottom:12px;}
.rl-mega__links li+li{margin-top:2px;}
.rl-mega__links a{
  display:block;padding:7px 8px;border-radius:var(--radius-sm);
  font-size:14.5px;color:var(--text);transition:.18s ease;
}
.rl-mega__links a:hover{color:var(--primary);background:var(--primary-100);transform:translateX(2px);}
.rl-mega__news li+li{margin-top:4px;}
.rl-mega__news a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:8px;border-radius:var(--radius-sm);font-size:14px;color:var(--text);
}
.rl-mega__news a span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rl-mega__news a em{font-style:normal;font-size:12.5px;color:var(--soft);font-variant-numeric:tabular-nums;flex:none;}
.rl-mega__news a:hover{background:var(--primary-100);color:var(--primary);}
.rl-mega__cards{display:grid;gap:12px;}
.rl-mega__card{
  position:relative;display:block;border-radius:var(--radius-md);overflow:hidden;
  aspect-ratio:16/10;box-shadow:var(--shadow-sm);
}
.rl-mega__card img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1);}
.rl-mega__card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,30,43,.78),rgba(15,30,43,0) 62%);
}
.rl-mega__card b{
  position:absolute;left:12px;right:12px;bottom:10px;z-index:2;
  color:#fff;font-size:14px;font-weight:600;
}
.rl-mega__card:hover img{transform:scale(1.05);}

/* ============ Hero ============ */
.rl-hero{
  background:var(--page);
  padding:56px 0 52px;
  position:relative;
  overflow:hidden;
}
.rl-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;opacity:.35;pointer-events:none;
}
.rl-hero__inner{position:relative;max-width:760px;}
.rl-hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--accent);color:var(--accent);
  background:#fff;font-size:13px;font-weight:600;letter-spacing:.04em;
}
.rl-hero h1{
  margin-top:20px;
  font-size:clamp(28px,3.4vw,40px);
  font-weight:700;line-height:1.28;
}
.rl-hero__lead{
  margin-top:16px;max-width:640px;
  font-size:17px;color:var(--muted);line-height:1.85;
}
.rl-hero__facts{
  margin-top:28px;display:flex;flex-wrap:wrap;gap:16px 48px;
}
.rl-hero__fact strong{
  display:block;font-size:24px;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.rl-hero__fact span{font-size:13.5px;color:var(--soft);}

/* ============ Breadcrumb ============ */
.rl-crumb{
  background:#fff;border-bottom:1px solid var(--split);
}
.rl-crumb ol{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:14px 0;font-size:13px;color:var(--soft);
}
.rl-crumb li{display:flex;align-items:center;gap:8px;}
.rl-crumb li::after{content:"›";color:var(--line);}
.rl-crumb li:last-child::after{content:"";}
.rl-crumb a{color:var(--muted);}
.rl-crumb a:hover{color:var(--primary);}
.rl-crumb .is-current{color:var(--soft);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ Sub nav pills ============ */
.rl-subnav{background:#fff;padding:18px 0 22px;border-bottom:1px solid var(--split);}
.rl-subnav__label{font-size:13px;color:var(--soft);margin-bottom:12px;letter-spacing:.06em;}
.rl-pills{display:flex;flex-wrap:wrap;gap:12px;}
.rl-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;
  font-size:14.5px;font-weight:500;color:var(--text);
  transition:.2s ease;
}
.rl-pill i{font-size:12px;color:var(--soft);}
.rl-pill:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-100);}
.rl-pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;}
.rl-pill.is-active i{color:rgba(255,255,255,.8);}

/* ============ Sections ============ */
.rl-section{padding:72px 0;}
.rl-section--tight{padding-top:56px;}
.rl-section--white{background:#fff;}
.rl-sec-head{max-width:720px;margin-bottom:40px;}
.rl-sec-head h2{font-size:clamp(22px,2.4vw,30px);}
.rl-sec-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.rl-eyebrow{
  display:inline-block;margin-bottom:14px;
  font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--accent);
}

/* Feature rows */
.rl-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.rl-row+.rl-row{margin-top:72px;}
.rl-row--flip .rl-row__media{order:2;}
.rl-row__media{position:relative;}
.rl-row__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
}
.rl-row__badge{
  position:absolute;top:16px;left:16px;
  padding:6px 12px;border-radius:var(--radius-pill);
  background:rgba(18,165,148,.94);color:#fff;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.rl-row__body h3{font-size:22px;margin-bottom:14px;}
.rl-row__body>p{color:var(--muted);font-size:15.5px;}
.rl-check{margin-top:22px;display:grid;gap:14px;}
.rl-check li{display:flex;gap:12px;align-items:flex-start;}
.rl-check i{
  flex:none;width:22px;height:22px;border-radius:var(--radius-pill);
  background:var(--accent-100);color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;margin-top:3px;
}
.rl-check b{display:block;font-weight:600;color:var(--ink);font-size:15px;}
.rl-check span{display:block;font-size:14px;color:var(--muted);line-height:1.78;}

/* Cards */
.rl-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rl-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.rl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary);}
.rl-card__media{position:relative;overflow:hidden;aspect-ratio:16/10;}
.rl-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,.61,.36,1);}
.rl-card:hover .rl-card__media img{transform:scale(1.04);}
.rl-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rl-badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 12px;border-radius:var(--radius-pill);
  border:1px solid var(--accent);color:var(--accent);
  font-size:12.5px;font-weight:600;background:#fff;
}
.rl-badge--soft{border-color:var(--line);color:var(--primary);background:var(--primary-100);}
.rl-card__body h3{font-size:17.5px;line-height:1.5;}
.rl-card__body p{font-size:14.5px;color:var(--muted);line-height:1.78;}
.rl-card__meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--split);
  font-size:13px;color:var(--soft);font-variant-numeric:tabular-nums;
}
.rl-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--primary);}
.rl-link i{font-size:11px;transition:transform .2s ease;}
.rl-link:hover{text-decoration:underline;text-underline-offset:3px;}
.rl-link:hover i{transform:translateX(3px);}

/* FAQ */
.rl-faq{max-width:860px;}
.rl-faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.rl-faq details[open]{border-color:var(--primary);box-shadow:var(--shadow-sm);}
.rl-faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;
  font-size:16.5px;font-weight:600;color:var(--ink);
}
.rl-faq summary::-webkit-details-marker{display:none;}
.rl-faq summary .rl-faq__ico{
  flex:none;width:26px;height:26px;border-radius:var(--radius-pill);
  border:1px solid var(--line);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;transition:transform .25s ease,background-color .25s ease;
}
.rl-faq details[open] summary .rl-faq__ico{transform:rotate(45deg);background:var(--primary-100);}
.rl-faq summary:hover{background:#F8FBFD;}
.rl-faq__ans{
  padding:0 22px 20px 22px;font-size:15px;color:var(--muted);line-height:1.85;
  border-left:3px solid var(--primary);margin-left:0;
}

/* CTA */
.rl-cta{
  background:var(--primary-100);border-radius:var(--radius-lg);
  padding:48px 56px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  border-left:6px solid var(--primary);
}
.rl-cta h2{font-size:26px;}
.rl-cta p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.rl-cta__actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}
.rl-cta__note{margin-top:14px;font-size:13px;color:var(--soft);text-align:right;}

/* Footer */
.rl-footer{background:#0F1E2B;color:#C7D3DD;margin-top:0;padding:64px 0 0;}
.rl-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.rl-footer__brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px;}
.rl-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.rl-footer p{font-size:14px;line-height:1.85;color:#9FB0BE;max-width:340px;}
.rl-footer__links li+li{margin-top:2px;}
.rl-footer__links a{display:inline-flex;align-items:center;min-height:40px;font-size:14.5px;color:#C7D3DD;}
.rl-footer__links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.rl-footer__contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.85;margin-bottom:12px;color:#9FB0BE;}
.rl-footer__contact i{margin-top:5px;color:var(--accent);font-size:13px;}
.rl-footer__bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A99A6;
}
.rl-footer__bottom a{color:#C7D3DD;}
.rl-footer__bottom a:hover{color:#fff;}

/* Back to top */
.rl-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:var(--radius-pill);
  background:var(--primary);color:#fff;border:none;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.25s ease;z-index:800;
}
.rl-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.rl-top:hover{background:var(--primary-700);}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .rl-header__inner{padding:0 24px;}
  .rl-container{padding-left:24px;padding-right:24px;}
  .rl-mega{width:700px;}
}
@media (max-width:1023px){
  .rl-burger{display:inline-flex;}
  .rl-nav{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    background:#fff;padding:16px 24px 40px;overflow-y:auto;
    border-top:1px solid var(--line);
    transform:translateX(100%);transition:transform .28s ease;
    margin-left:0;
  }
  .rl-nav.is-open{transform:translateX(0);}
  .rl-nav__list{flex-direction:column;align-items:stretch;gap:2px;}
  .rl-nav__link{height:48px;justify-content:space-between;width:100%;font-size:16px;}
  .rl-mega{
    position:static;transform:none;width:100%;opacity:1;visibility:visible;
    pointer-events:auto;box-shadow:none;border:1px solid var(--line);
    border-top:3px solid var(--primary);border-radius:var(--radius-md);
    display:none;grid-template-columns:1fr;padding:18px;margin:4px 0 10px;
  }
  .rl-nav__item.is-open>.rl-mega{display:grid;}
  .rl-nav__item:hover>.rl-mega{transform:none;}
  .rl-header__actions .rl-icon-btn{display:none;}
  .rl-row{grid-template-columns:1fr;gap:32px;}
  .rl-row--flip .rl-row__media{order:0;}
  .rl-cards{grid-template-columns:repeat(2,1fr);}
  .rl-cta{grid-template-columns:1fr;padding:36px 32px;}
  .rl-cta__actions{justify-content:flex-start;}
  .rl-cta__note{text-align:left;}
  .rl-footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rl-section{padding:56px 0;}
}
@media (max-width:767px){
  .rl-hero{padding:40px 0 38px;}
  .rl-hero__lead{font-size:15.5px;}
  .rl-hero__facts{gap:14px 28px;}
  .rl-hero__fact strong{font-size:21px;}
  .rl-cards{grid-template-columns:1fr;}
  .rl-row+.rl-row{margin-top:48px;}
  .rl-row__body h3{font-size:19px;}
  .rl-section{padding:44px 0;}
  .rl-footer{padding-top:48px;}
  .rl-footer__grid{grid-template-columns:1fr;gap:28px;}
  .rl-footer p{max-width:none;}
  .rl-header__inner{height:64px;gap:12px;}
  .rl-nav{top:64px;}
  .rl-logo{font-size:17px;}
  .rl-btn--primary{padding:0 18px;font-size:14px;}
}
@media (max-width:520px){
  .rl-container{padding-left:16px;padding-right:16px;}
  .rl-header__inner{padding:0 16px;}
  .rl-header__actions .rl-btn--primary{display:none;}
  .rl-hero h1{font-size:26px;}
  .rl-crumb .is-current{max-width:160px;}
  .rl-cta{padding:28px 20px;}
  .rl-cta h2{font-size:22px;}
  .rl-cta__actions .rl-btn{width:100%;}
  .rl-faq summary{font-size:15.5px;padding:14px 16px;}
  .rl-faq__ans{padding:0 16px 18px 16px;}
  .rl-top{right:16px;bottom:18px;}
}

/* roulang page: article */
/* =========================================================
   pg国际网 · 设计系统
   ========================================================= */
:root{
  --primary:#1B5E8C;
  --primary-700:#123F63;
  --primary-100:#E7F0F7;
  --accent:#12A594;
  --accent-100:#E6F5F3;
  --warn:#E8873A;
  --ink:#10202E;
  --text:#22333F;
  --muted:#5B6B7A;
  --faint:#8A99A6;
  --line:#E3EAF1;
  --line-soft:#EEF3F7;
  --page:#F3F7FA;
  --card:#FFFFFF;
  --footer-bg:#0F1E2B;
  --footer-text:#C7D3DD;
  --shadow-sm:0 1px 2px rgba(16,42,67,.06);
  --shadow-md:0 8px 24px rgba(16,42,67,.08);
  --shadow-lg:0 16px 36px rgba(16,42,67,.12);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --wrap:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.3;margin:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::selection{background:var(--primary-100);color:var(--primary-700);}

.rl-container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;}

/* ================= 顶部导航 ================= */
.rl-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);}
.rl-header.is-stuck{box-shadow:var(--shadow-sm);}
.rl-header__inner{max-width:var(--wrap);margin:0 auto;padding:0 32px;height:72px;display:flex;align-items:center;}
.rl-logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.02em;flex:none;}
.rl-logo__mark{position:relative;width:26px;height:26px;border-radius:9px;background:var(--primary);flex:none;}
.rl-logo__mark::after{content:"";position:absolute;left:7px;top:7px;width:12px;height:12px;border-radius:4px;background:var(--accent);}
.rl-logo:hover{color:var(--primary);}

.rl-nav{margin-left:20px;}
.rl-nav__list{display:flex;align-items:center;}
.rl-nav__item{position:relative;}
.rl-nav__link{position:relative;display:inline-flex;align-items:center;gap:6px;height:72px;padding:0 14px;font-size:15px;color:var(--text);white-space:nowrap;}
.rl-nav__link i{font-size:11px;color:var(--faint);transition:transform .2s ease;}
.rl-nav__link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px 2px 0 0;background:var(--primary);transform:scaleX(0);transform-origin:left center;transition:transform .24s ease;}
.rl-nav__link:hover{color:var(--primary);}
.rl-nav__link:hover::after,
.rl-nav__link.is-active::after{transform:scaleX(1);}
.rl-nav__link.is-active{color:var(--primary);}
.rl-nav__item:hover>.rl-nav__link i{transform:rotate(180deg);}

.rl-mega{
  position:absolute;top:100%;left:50%;
  transform:translate(-50%,-6px);
  width:820px;background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-lg);padding:28px;overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:28px;
  opacity:0;visibility:hidden;
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.rl-mega::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--primary);}
.rl-nav__item.has-mega:hover .rl-mega,
.rl-nav__item.has-mega:focus-within .rl-mega{opacity:1;visibility:visible;transform:translate(-50%,0);}
.rl-mega__title{font-size:13px;font-weight:600;color:var(--faint);letter-spacing:.08em;margin-bottom:12px;}
.rl-mega__links li+li{margin-top:2px;}
.rl-mega__links a{display:block;padding:7px 6px;border-radius:8px;font-size:14px;color:var(--text);}
.rl-mega__links a:hover{color:var(--primary);transform:translateX(2px);}
.rl-mega__news li+li{margin-top:10px;}
.rl-mega__news a{display:flex;align-items:baseline;gap:12px;font-size:14px;color:var(--text);}
.rl-mega__news a span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rl-mega__news a em{font-style:normal;font-size:12px;color:var(--faint);font-variant-numeric:tabular-nums;}
.rl-mega__news a:hover span{color:var(--primary);}
.rl-mega__cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-content:start;}
.rl-mega__card{position:relative;display:block;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--primary-100);}
.rl-mega__card img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,.61,.36,1);}
.rl-mega__card b{position:absolute;left:0;right:0;bottom:0;padding:22px 10px 8px;font-size:13px;font-weight:600;color:#fff;background:linear-gradient(to top,rgba(15,30,43,.78),rgba(15,30,43,0));}
.rl-mega__card:hover img{transform:scale(1.06);}

.rl-header__actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.rl-icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer;transition:.2s;}
.rl-icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-100);}

.rl-nav-toggle{display:none;margin-left:auto;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;}
.rl-nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .24s ease,opacity .2s ease;}
.rl-nav-toggle-input:checked ~ .rl-nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.rl-nav-toggle-input:checked ~ .rl-nav-toggle span:nth-child(2){opacity:0;}
.rl-nav-toggle-input:checked ~ .rl-nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ================= 按钮 ================= */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .18s ease,background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;}
.rl-btn--primary{background:var(--primary);color:#fff;}
.rl-btn--primary:hover{background:var(--primary-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.rl-btn--primary:active{transform:translateY(0);box-shadow:none;}
.rl-btn--ghost{background:#fff;border-color:var(--line);color:var(--text);}
.rl-btn--ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-100);}
.rl-btn--sm{height:38px;padding:0 18px;font-size:14px;}
.rl-btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ================= 主体 ================= */
.rl-main{padding:20px 0 88px;}

.rl-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--faint);padding:6px 0 0;overflow:hidden;}
.rl-crumb a{color:var(--muted);}
.rl-crumb a:hover{color:var(--primary);}
.rl-crumb__sep{color:#B8C6D1;}
.rl-crumb__cur{display:inline-block;max-width:52%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--faint);}

.rl-article-head{padding:30px 0 26px;border-bottom:1px solid var(--line);}
.rl-badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);border:1px solid var(--accent);background:var(--accent-100);color:var(--accent);font-size:13px;font-weight:600;}
.rl-article-head h1{margin:16px 0 18px;font-size:clamp(24px,3.2vw,36px);line-height:1.34;max-width:900px;}
.rl-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--faint);}
.rl-meta i{margin-right:5px;color:var(--faint);}
.rl-meta__dot{width:4px;height:4px;border-radius:50%;background:var(--line);}

.rl-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;padding-top:40px;align-items:start;}

/* 目录 */
.rl-toc{position:sticky;top:96px;font-size:14px;}
.rl-toc__title{font-size:14px;font-weight:600;color:var(--ink);padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:10px;}
.rl-toc__list li a{display:block;padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;color:var(--muted);line-height:1.5;transition:.2s;}
.rl-toc__list li a:hover{color:var(--primary);background:var(--primary-100);}
.rl-toc__list li a.is-current{color:var(--primary);border-left-color:var(--primary);background:var(--primary-100);font-weight:600;}
.rl-toc__list li.is-sub a{padding-left:22px;font-size:13px;}

/* 正文 */
.rl-article{max-width:800px;font-size:17px;line-height:1.9;color:var(--text);}
.rl-article p{margin:0 0 20px;}
.rl-article>p:first-of-type{font-size:18px;font-weight:500;color:#1B2C3A;}
.rl-article h2{position:relative;font-size:23px;line-height:1.4;margin:44px 0 18px;padding-left:16px;scroll-margin-top:96px;}
.rl-article h2::before{content:"";position:absolute;left:0;top:.28em;width:6px;height:18px;border-radius:2px;background:var(--primary);}
.rl-article h3{font-size:19px;margin:32px 0 14px;scroll-margin-top:96px;}
.rl-article h4{font-size:17px;margin:24px 0 12px;}
.rl-article ul{margin:0 0 20px;}
.rl-article ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.rl-article ul li::before{content:"";position:absolute;left:2px;top:.7em;width:7px;height:7px;border-radius:2px;background:var(--accent);}
.rl-article ol{list-style:none;counter-reset:rl-num;margin:0 0 20px;}
.rl-article ol li{position:relative;padding-left:28px;margin-bottom:10px;counter-increment:rl-num;}
.rl-article ol li::before{content:counter(rl-num) ".";position:absolute;left:0;top:0;font-weight:600;color:var(--primary);font-variant-numeric:tabular-nums;}
.rl-article blockquote{margin:24px 0;padding:16px 20px;border-left:3px solid var(--accent);background:#F5FAF9;border-radius:0 10px 10px 0;color:var(--muted);}
.rl-article blockquote p:last-child{margin-bottom:0;}
.rl-article img{margin:24px auto;border-radius:12px;box-shadow:var(--shadow-sm);}
.rl-article a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.rl-article a:hover{color:var(--primary-700);}
.rl-article figure{margin:24px 0;}
.rl-article figcaption{font-size:13px;color:var(--faint);text-align:center;margin-top:8px;}
.rl-article hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.rl-article table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm);}
.rl-article thead th{background:var(--primary-100);color:var(--primary-700);font-weight:600;}
.rl-article th,.rl-article td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-soft);}
.rl-article tbody tr:nth-child(even){background:#F8FBFD;}

/* 空态 */
.rl-empty{max-width:800px;padding:80px 24px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);}
.rl-empty i{font-size:44px;color:#CBD8E3;}
.rl-empty h2{margin:18px 0 8px;font-size:20px;}
.rl-empty p{color:var(--muted);margin-bottom:22px;}

/* 标签与推荐 */
.rl-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);max-width:800px;}
.rl-tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:13px;color:var(--muted);}
.rl-tag:hover{border-color:var(--primary);background:var(--primary);color:#fff;}

.rl-related{margin-top:64px;}
.rl-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.rl-section-head h2{font-size:24px;}
.rl-section-head p{font-size:14px;color:var(--muted);}

.rl-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rl-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.rl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary);}
.rl-card__media{aspect-ratio:4/3;overflow:hidden;background:var(--primary-100);}
.rl-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,.61,.36,1);}
.rl-card:hover .rl-card__media img{transform:scale(1.04);}
.rl-card__body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px;}
.rl-card__body h3{font-size:17px;line-height:1.5;}
.rl-card__body p{font-size:14px;line-height:1.7;color:var(--muted);}
.rl-card__more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.rl-card__more i{transition:transform .2s ease;}
.rl-card:hover .rl-card__more i{transform:translateX(3px);}

.rl-back{display:flex;justify-content:center;margin-top:44px;}

/* ================= 页脚 ================= */
.rl-footer{background:var(--footer-bg);color:var(--footer-text);padding:64px 0 0;}
.rl-footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px;}
.rl-footer__brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.rl-footer p{font-size:14px;line-height:1.9;color:#93A5B4;max-width:340px;}
.rl-footer h4{font-size:15px;color:#fff;margin-bottom:16px;}
.rl-footer__links li+li{margin-top:10px;}
.rl-footer__links a{font-size:14px;color:var(--footer-text);}
.rl-footer__links a:hover{color:#fff;padding-left:3px;}
.rl-footer__contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--footer-text);}
.rl-footer__contact li+li{margin-top:12px;}
.rl-footer__contact i{flex:none;margin-top:5px;color:var(--accent);}
.rl-footer__bottom{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#7E92A3;}
.rl-footer__bottom a{color:#93A5B4;}
.rl-footer__bottom a:hover{color:#fff;}

/* ================= 回到顶部 ================= */
.rl-top{position:fixed;right:26px;bottom:30px;z-index:70;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:50%;background:var(--primary);color:#fff;cursor:pointer;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(8px);transition:.24s;}
.rl-top.is-visible{opacity:1;visibility:visible;transform:none;}
.rl-top:hover{background:var(--primary-700);}

/* ================= 响应式 ================= */
@media (max-width:1199px){
  .rl-mega{width:720px;}
}
@media (max-width:1023px){
  .rl-container{padding:0 24px;}
  .rl-header__inner{padding:0 24px;height:64px;}
  .rl-logo{font-size:17px;}
  .rl-nav-toggle{display:inline-flex;}
  .rl-header__actions{margin-left:0;gap:8px;}
  .rl-icon-btn{display:none;}
  .rl-nav{position:fixed;left:0;right:0;top:64px;bottom:0;margin:0;background:#fff;border-top:1px solid var(--line);overflow-y:auto;padding:12px 20px 48px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .24s ease,transform .24s ease,visibility .24s;}
  .rl-nav-toggle-input:checked ~ .rl-nav{opacity:1;visibility:visible;transform:none;}
  .rl-nav__list{display:block;}
  .rl-nav__link{display:flex;justify-content:space-between;width:100%;height:auto;padding:14px 4px;font-size:16px;border-bottom:1px solid var(--line-soft);}
  .rl-nav__link::after{display:none;}
  .rl-mega{position:static;transform:none;width:auto;display:grid;grid-template-columns:1fr;gap:20px;padding:16px 4px 20px;background:transparent;border:0;border-radius:0;box-shadow:none;overflow:visible;opacity:1;visibility:visible;}
  .rl-mega::before{display:none;}
  .rl-mega__cards{grid-template-columns:1fr 1fr;}
  .rl-nav__item:hover>.rl-nav__link i{transform:none;}

  .rl-layout{grid-template-columns:1fr;gap:24px;padding-top:28px;}
  .rl-toc{position:static;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-sm);}
  .rl-article-head{padding:24px 0 22px;}
  .rl-article{font-size:16px;max-width:none;}
  .rl-article>p:first-of-type{font-size:17px;}
  .rl-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rl-footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  .rl-container{padding:0 16px;}
  .rl-header__inner{padding:0 16px;}
  .rl-btn--sm{height:36px;padding:0 14px;font-size:13px;}
  .rl-main{padding:10px 0 64px;}
  .rl-mega__cards{grid-template-columns:1fr;}
  .rl-cards{grid-template-columns:1fr;gap:16px;}
  .rl-section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .rl-article h2{font-size:20px;}
  .rl-article h3{font-size:17px;}
  .rl-footer{padding-top:48px;}
  .rl-footer__grid{grid-template-columns:1fr;gap:28px;}
  .rl-footer__bottom{font-size:12px;}
  .rl-top{right:16px;bottom:16px;}
  .rl-empty{padding:56px 18px;}
}

/* roulang page: category2 */
:root{
  --primary:#1B5E8C;
  --primary-700:#123F63;
  --primary-100:#E7F0F7;
  --accent:#12A594;
  --accent-100:#E6F6F4;
  --warn:#E8873A;
  --ink:#10202E;
  --text:#22333F;
  --muted:#5B6B7A;
  --faint:#8A99A6;
  --line:#E3EAF1;
  --divider:#EEF3F7;
  --bg:#F3F7FA;
  --card:#FFFFFF;
  --foot:#0F1E2B;
  --foot-text:#C7D3DD;
  --sh-sm:0 1px 2px rgba(16,42,67,.06);
  --sh-md:0 8px 24px rgba(16,42,67,.08);
  --sh-lg:0 16px 36px rgba(16,42,67,.12);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.015em;
  color:var(--text);
  background:var(--bg);
}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.rl-container{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.grid-container.rl-container{max-width:var(--maxw);}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;transition:all .22s cubic-bezier(.22,.61,.36,1);
  white-space:nowrap;
}
.rl-btn--primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm);}
.rl-btn--primary:hover{background:var(--primary-700);transform:translateY(-2px);box-shadow:var(--sh-md);}
.rl-btn--primary:active{transform:translateY(0);}
.rl-btn--outline{background:#fff;color:var(--primary);border-color:var(--line);}
.rl-btn--outline:hover{background:var(--primary-100);border-color:var(--primary);transform:translateY(-2px);}
.rl-btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.rl-btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.rl-btn[disabled],.rl-btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- 头部 ---------- */
.rl-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.rl-header.is-scrolled{box-shadow:var(--sh-md);}
.rl-header__inner{
  max-width:var(--maxw);margin:0 auto;padding:0 32px;
  height:74px;display:flex;align-items:center;gap:28px;
}
.rl-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em;flex:0 0 auto;
}
.rl-logo__mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  position:relative;
}
.rl-logo__mark::after{
  content:"";position:absolute;inset:9px;border-radius:3px;background:#fff;opacity:.92;
}
.rl-nav{flex:1 1 auto;}
.rl-nav__list{display:flex;align-items:center;gap:2px;}
.rl-nav__item{position:relative;}
.rl-nav__link{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 16px;border-radius:10px;font-size:15.5px;font-weight:500;
  color:var(--text);transition:all .2s ease;
}
.rl-nav__link i{font-size:10px;color:var(--faint);transition:transform .2s ease;}
.rl-nav__link:hover{color:var(--primary);background:var(--primary-100);}
.rl-nav__link.is-active{color:var(--primary);font-weight:600;background:var(--primary-100);}
.has-mega:hover .rl-nav__link,.has-mega:focus-within .rl-nav__link{color:var(--primary);background:var(--primary-100);}
.has-mega:hover .rl-nav__link i,.has-mega:focus-within .rl-nav__link i{transform:rotate(180deg);}
.rl-header__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.rl-icon-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);background:#fff;transition:all .2s ease;
}
.rl-icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-100);}
.rl-nav__toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--primary);background:#fff;font-size:17px;
}
.rl-nav__toggle:hover{background:var(--primary-100);border-color:var(--primary);}

/* ---------- Mega Menu ---------- */
.rl-mega{
  position:absolute;top:calc(100% + 0px);left:50%;width:800px;
  transform:translate(-50%,-6px);opacity:0;visibility:hidden;pointer-events:none;
  background:#fff;border-top:3px solid var(--primary);border-radius:16px;
  box-shadow:var(--sh-lg);padding:28px 30px;
  display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:28px;
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.has-mega:hover .rl-mega,.has-mega:focus-within .rl-mega{
  opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0);
}
.rl-mega__title{
  font-size:12.5px;font-weight:700;color:var(--faint);
  letter-spacing:.14em;margin-bottom:14px;
}
.rl-mega__links li{margin-bottom:10px;}
.rl-mega__links a{
  font-size:14.5px;color:var(--text);display:inline-block;
  transition:all .18s ease;
}
.rl-mega__links a:hover{color:var(--primary);transform:translateX(2px);}
.rl-mega__news li{margin-bottom:12px;}
.rl-mega__news a{display:flex;gap:10px;align-items:baseline;font-size:14.5px;transition:color .18s ease;}
.rl-mega__news a:hover{color:var(--primary);}
.rl-mega__news span{
  flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.rl-mega__news em{font-style:normal;font-size:12.5px;color:var(--faint);font-variant-numeric:tabular-nums;}
.rl-mega__cards{display:grid;gap:12px;}
.rl-mega__card{
  position:relative;border-radius:var(--r-md);overflow:hidden;display:block;
  transition:transform .25s ease,box-shadow .25s ease;box-shadow:var(--sh-sm);
}
.rl-mega__card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1);}
.rl-mega__card b{
  position:absolute;left:0;right:0;bottom:0;padding:22px 12px 10px;
  font-size:13.5px;font-weight:600;color:#fff;
  background:linear-gradient(to top,rgba(15,30,43,.82),rgba(15,30,43,0));
}
.rl-mega__card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.rl-mega__card:hover img{transform:scale(1.05);}

/* ---------- Hero ---------- */
.rl-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  padding:76px 0 56px;text-align:center;border-bottom:1px solid var(--divider);
}
.rl-hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border:1px solid var(--accent);border-radius:var(--r-sm);
  color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.06em;
  background:var(--accent-100);margin-bottom:22px;
}
.rl-hero h1{
  font-size:clamp(30px,4vw,44px);line-height:1.28;font-weight:700;
  color:var(--ink);letter-spacing:.01em;max-width:900px;margin:0 auto;
}
.rl-hero__lead{
  font-size:17.5px;color:var(--muted);max-width:640px;margin:18px auto 0;line-height:1.8;
}
.rl-hero__actions{display:flex;gap:12px;justify-content:center;margin-top:32px;flex-wrap:wrap;}

/* ---------- 面包屑 ---------- */
.rl-crumbs-wrap{background:var(--bg);padding:20px 0 0;}
.rl-crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--faint);
}
.rl-crumbs a{color:var(--faint);transition:color .18s ease;}
.rl-crumbs a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.rl-crumbs span[aria-current]{color:var(--faint);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rl-crumbs i{font-size:10px;}

/* ---------- 分类子导航 ---------- */
.rl-catnav{padding:22px 0 0;background:var(--bg);}
.rl-catnav__list{display:flex;flex-wrap:wrap;gap:12px;}
.rl-catnav__pill{
  display:inline-flex;align-items:center;min-height:44px;padding:0 22px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:14.5px;font-weight:500;color:var(--text);
  transition:all .2s ease;box-shadow:var(--sh-sm);
}
.rl-catnav__pill:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-100);transform:translateY(-2px);}
.rl-catnav__pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff;}
.rl-catnav__pill.is-active:hover{background:var(--primary-700);color:#fff;}

/* ---------- 板块 ---------- */
.rl-section{padding:84px 0;}
.rl-section--white{background:#fff;}
.rl-section__head{max-width:760px;margin-bottom:44px;}
.rl-section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.rl-kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--accent);margin-bottom:12px;
}
.rl-section__head h2{
  font-size:clamp(23px,2.6vw,31px);line-height:1.35;font-weight:700;color:var(--ink);
}
.rl-section__head p{margin-top:12px;color:var(--muted);font-size:16px;}

/* ---------- 实施流程 ---------- */
.rl-steps{position:relative;max-width:900px;margin:0 auto;padding-left:8px;}
.rl-steps::before{
  content:"";position:absolute;left:31px;top:14px;bottom:14px;
  border-left:1px dashed #CFDDE8;
}
.rl-step{
  position:relative;display:grid;grid-template-columns:64px 1fr;gap:22px;
  padding:0 0 34px;align-items:start;
}
.rl-step:last-child{padding-bottom:0;}
.rl-step__no{
  position:relative;z-index:1;width:64px;height:52px;display:flex;align-items:center;
  font-size:38px;font-weight:700;color:#D3E0EA;line-height:1;
  font-variant-numeric:tabular-nums;background:var(--bg);
}
.rl-section--white .rl-step__no{background:#fff;}
.rl-step__body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 26px;box-shadow:var(--sh-sm);transition:all .25s ease;
}
.rl-section--white .rl-step__body{background:var(--bg);box-shadow:none;}
.rl-step__body:hover{border-color:var(--primary);box-shadow:var(--sh-md);transform:translateY(-3px);}
.rl-step__body h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.rl-step__body p{font-size:15px;color:var(--muted);line-height:1.8;}
.rl-step__tag{
  display:inline-block;margin-top:12px;padding:4px 12px;border-radius:var(--r-sm);
  border:1px solid var(--line);color:var(--primary);font-size:12.5px;background:#fff;
}

/* ---------- 指标卡 ---------- */
.rl-kv{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.rl-kv__card{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:24px 26px;box-shadow:var(--sh-sm);transition:all .25s ease;
}
.rl-kv__card:hover{border-color:var(--primary);box-shadow:var(--sh-md);transform:translateY(-3px);}
.rl-kv__label{font-size:13px;color:var(--faint);letter-spacing:.06em;margin-bottom:6px;}
.rl-kv__value{
  font-size:22px;font-weight:700;color:var(--primary);line-height:1.4;
  font-variant-numeric:tabular-nums;
}
.rl-kv__desc{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.rl-kv__note{
  margin-top:28px;padding:18px 24px;border-left:4px solid var(--accent);
  background:var(--accent-100);border-radius:0 var(--r-md) var(--r-md) 0;
  font-size:14.5px;color:#1D5E57;
}

/* ---------- 图墙 ---------- */
.rl-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.rl-gallery__item{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-md);transition:transform .3s ease,box-shadow .3s ease;
}
.rl-gallery__item img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .6s cubic-bezier(.22,.61,.36,1);
}
.rl-gallery__mask{
  position:absolute;left:0;right:0;bottom:0;height:62%;
  background:linear-gradient(to top,rgba(15,30,43,.78),rgba(15,30,43,0));
}
.rl-gallery__title{
  position:absolute;left:22px;bottom:20px;right:22px;color:#fff;
}
.rl-gallery__title h3{font-size:19px;font-weight:600;margin-bottom:4px;}
.rl-gallery__title p{font-size:13.5px;color:rgba(255,255,255,.82);}
.rl-gallery__badge{
  position:absolute;top:16px;left:16px;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(18,165,148,.92);color:#fff;font-size:12.5px;font-weight:600;
}
.rl-gallery__item:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.rl-gallery__item:hover img{transform:scale(1.04);}

/* ---------- FAQ ---------- */
.rl-faq{max-width:880px;margin:0 auto;}
.rl-faq__item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:all .22s ease;
}
.rl-faq__item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:20px 62px 20px 24px;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .2s ease;min-height:60px;display:flex;align-items:center;
}
.rl-faq__item summary::-webkit-details-marker{display:none;}
.rl-faq__item summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--primary);line-height:1;
  transition:transform .22s ease;
}
.rl-faq__item summary:hover{color:var(--primary);}
.rl-faq__item[open]{background:#F8FBFD;border-color:#D4E3EF;}
.rl-faq__item[open] summary{color:var(--primary);}
.rl-faq__item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.rl-faq__answer{
  padding:0 24px 22px 24px;border-left:3px solid var(--primary);
  margin-left:0;font-size:15.5px;color:var(--muted);line-height:1.85;
}

/* ---------- CTA 表单 ---------- */
.rl-cta{
  background:#EAF2F8;border-left:6px solid var(--primary);border-radius:var(--r-lg);
  padding:52px;display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;
}
.rl-cta h2{font-size:clamp(22px,2.4vw,29px);font-weight:700;color:var(--ink);line-height:1.35;}
.rl-cta__desc{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.85;}
.rl-cta__points{margin-top:22px;display:grid;gap:10px;}
.rl-cta__points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--muted);}
.rl-cta__points i{color:var(--accent);font-size:13px;margin-top:6px;}
.rl-form{display:grid;gap:16px;}
.rl-field{display:grid;gap:6px;}
.rl-field label{font-size:13px;color:var(--muted);font-weight:500;}
.rl-field input,.rl-field textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:0 16px;font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.rl-field input{height:48px;}
.rl-field textarea{min-height:96px;padding:12px 16px;resize:vertical;line-height:1.7;}
.rl-field input:focus,.rl-field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,94,140,.12);
}
.rl-field__error{font-size:12.5px;color:var(--warn);min-height:0;}
.rl-form__foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px;}
.rl-form__privacy{font-size:12.5px;color:var(--faint);}
.rl-form__msg{font-size:14px;color:var(--accent);font-weight:600;}

/* ---------- 页脚 ---------- */
.rl-footer{background:var(--foot);color:var(--foot-text);padding:72px 0 0;margin-top:0;}
.rl-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.rl-footer__brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:#fff;margin-bottom:16px;
}
.rl-footer__grid p{font-size:14px;line-height:1.85;color:#9FB1BF;max-width:320px;}
.rl-footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px;}
.rl-footer__links li{margin-bottom:12px;}
.rl-footer__links a{font-size:14px;color:var(--foot-text);transition:color .2s ease;}
.rl-footer__links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.rl-footer__contact li{display:flex;gap:10px;font-size:14px;margin-bottom:14px;line-height:1.7;color:var(--foot-text);}
.rl-footer__contact i{color:var(--accent);margin-top:6px;font-size:13px;}
.rl-footer__bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA2B0;
}
.rl-footer__bottom a{color:#B9C9D6;}
.rl-footer__bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}

/* ---------- 回到顶部 ---------- */
.rl-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-md);opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;
  z-index:70;
}
.rl-top.is-show{opacity:1;pointer-events:auto;}
.rl-top:hover{background:var(--primary-700);transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .rl-container{padding:0 26px;}
  .rl-header__inner{padding:0 26px;gap:18px;}
  .rl-mega{width:720px;}
}
@media (max-width:1023px){
  .rl-nav__toggle{display:inline-flex;}
  .rl-nav{
    position:absolute;top:100%;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:var(--sh-md);
    display:none;max-height:76vh;overflow-y:auto;
  }
  .rl-nav.is-open{display:block;}
  .rl-nav__list{display:block;padding:12px 18px 20px;}
  .rl-nav__item{border-bottom:1px solid var(--divider);}
  .rl-nav__item:last-child{border-bottom:0;}
  .rl-nav__link{display:flex;justify-content:space-between;padding:14px 6px;font-size:16px;border-radius:0;}
  .rl-nav__link.is-active{background:transparent;}
  .rl-mega{
    position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;
    display:none;width:auto;box-shadow:none;border-top:0;border-radius:0;
    padding:4px 6px 18px;grid-template-columns:1fr;gap:18px;
  }
  .has-mega.is-open .rl-mega{display:grid;}
  .rl-mega__cards{grid-template-columns:repeat(2,1fr);}
  .rl-header__actions .rl-btn{padding:0 18px;font-size:14.5px;}
  .rl-cta{grid-template-columns:1fr;padding:38px 30px;gap:30px;}
  .rl-hero{padding:60px 0 46px;}
  .rl-section{padding:64px 0;}
  .rl-footer__grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767px){
  .rl-container{padding:0 18px;}
  .rl-header__inner{padding:0 18px;height:68px;}
  .rl-logo{font-size:17px;}
  .rl-header__actions .rl-icon-btn{display:none;}
  .rl-hero h1{font-size:28px;}
  .rl-hero__lead{font-size:16px;}
  .rl-hero__actions .rl-btn{width:100%;}
  .rl-section{padding:50px 0;}
  .rl-section__head{margin-bottom:30px;}
  .rl-kv{grid-template-columns:1fr;}
  .rl-gallery{grid-template-columns:1fr;}
  .rl-step{grid-template-columns:48px 1fr;gap:14px;}
  .rl-steps::before{left:23px;}
  .rl-step__no{width:48px;font-size:30px;height:42px;}
  .rl-step__body{padding:18px 20px;}
  .rl-cta{padding:28px 20px;border-left-width:5px;}
  .rl-footer{padding:52px 0 0;}
  .rl-footer__grid{grid-template-columns:1fr;gap:28px;}
  .rl-footer__bottom{flex-direction:column;gap:8px;}
  .rl-mega__cards{grid-template-columns:1fr;}
}
@media (max-width:519px){
  .rl-catnav__pill{padding:0 16px;font-size:13.5px;}
  .rl-faq__item summary{font-size:15.5px;padding:16px 52px 16px 18px;}
  .rl-faq__answer{padding:0 18px 18px 18px;font-size:15px;}
  .rl-kv__value{font-size:20px;}
}

/* roulang page: category4 */
:root{
  --rl-primary:#1B5E8C;
  --rl-primary-700:#123F63;
  --rl-primary-100:#E7F0F7;
  --rl-accent:#12A594;
  --rl-accent-100:#E6F6F4;
  --rl-warn:#E8873A;
  --rl-ink:#10202E;
  --rl-text:#22333F;
  --rl-muted:#5B6B7A;
  --rl-faint:#8A99A6;
  --rl-border:#E3EAF1;
  --rl-border-strong:#D8E3EC;
  --rl-divider:#EEF3F7;
  --rl-bg:#F3F7FA;
  --rl-card:#FFFFFF;
  --rl-footer-bg:#0F1E2B;
  --rl-footer-text:#C7D3DD;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-xl:18px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(16,42,67,.06);
  --shadow-md:0 8px 24px rgba(16,42,67,.08);
  --shadow-lg:0 16px 36px rgba(16,42,67,.12);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC","Source Han 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:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--rl-text);
  background:var(--rl-bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--rl-ink);font-weight:600;line-height:1.32;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--rl-primary);}
img{max-width:100%;display:block;border-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:2px;}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
.rl-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ============ Header ============ */
.rl-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--rl-border);
  transition:box-shadow .22s ease;
}
.rl-header.is-stuck{box-shadow:var(--shadow-sm);}
.rl-header__inner{
  max-width:1200px;margin:0 auto;padding:0 32px;
  height:72px;display:flex;align-items:center;gap:24px;
}
.rl-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:var(--rl-ink);
  white-space:nowrap;flex:0 0 auto;
}
.rl-logo:hover{color:var(--rl-primary);}
.rl-logo__mark{
  width:26px;height:26px;border-radius:8px;background:var(--rl-primary);
  position:relative;display:inline-block;flex:0 0 auto;
}
.rl-logo__mark::after{
  content:"";position:absolute;inset:8px;background:var(--rl-accent);border-radius:3px;
}
.rl-nav{flex:1 1 auto;display:flex;justify-content:center;}
.rl-nav__list{display:flex;align-items:center;gap:2px;}
.rl-nav__item{position:relative;}
.rl-nav__link{
  display:inline-flex;align-items:center;gap:6px;
  height:44px;padding:0 14px;border-radius:10px;
  font-size:15px;color:var(--rl-text);white-space:nowrap;
}
.rl-nav__link i{font-size:11px;color:var(--rl-faint);transition:transform .18s ease;}
.rl-nav__link:hover{color:var(--rl-primary);background:var(--rl-primary-100);}
.rl-nav__link:hover i{color:var(--rl-primary);}
.rl-nav__item.is-active > .rl-nav__link,
.rl-nav__link.is-active{color:var(--rl-primary);background:var(--rl-primary-100);font-weight:600;}
.rl-nav__item.is-active > .rl-nav__link i{color:var(--rl-primary);}
.rl-nav__item:hover > .rl-nav__link i,
.rl-nav__item:focus-within > .rl-nav__link i{transform:rotate(180deg);}

/* Mega Menu */
.rl-mega{
  position:absolute;top:100%;left:50%;
  width:790px;max-width:calc(100vw - 48px);
  transform:translate(-50%,-6px);
  background:#fff;border-radius:var(--radius-lg);
  border-top:3px solid var(--rl-primary);
  box-shadow:0 16px 40px rgba(16,42,67,.12);
  padding:26px 28px 28px;
  display:grid;grid-template-columns:1.1fr 1.15fr .95fr;gap:26px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
  z-index:90;
}
.rl-nav__item:hover > .rl-mega,
.rl-nav__item:focus-within > .rl-mega{
  opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0);
}
.rl-mega__title{
  font-size:13px;font-weight:600;color:var(--rl-faint);
  letter-spacing:.06em;margin-bottom:12px;
}
.rl-mega__links li + li{margin-top:2px;}
.rl-mega__links a{
  display:block;padding:7px 10px;border-radius:8px;
  font-size:14.5px;color:var(--rl-text);
}
.rl-mega__links a:hover{
  color:var(--rl-primary);background:var(--rl-primary-100);transform:translateX(2px);
}
.rl-mega__news li + li{margin-top:6px;}
.rl-mega__news a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:8px 10px;border-radius:8px;
}
.rl-mega__news a:hover{background:var(--rl-primary-100);}
.rl-mega__news span{
  font-size:14px;color:var(--rl-text);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.rl-mega__news a:hover span{color:var(--rl-primary);}
.rl-mega__news em{
  font-style:normal;font-size:12.5px;color:var(--rl-faint);
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.rl-mega__cards{display:flex;flex-direction:column;gap:12px;}
.rl-mega__card{
  position:relative;display:block;border-radius:var(--radius-md);
  overflow:hidden;aspect-ratio:16/10;background:var(--rl-primary-700);
}
.rl-mega__card img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s cubic-bezier(.22,.61,.36,1);
}
.rl-mega__card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,30,43,.72),rgba(15,30,43,0) 62%);
}
.rl-mega__card b{
  position:absolute;left:12px;right:12px;bottom:10px;z-index:2;
  color:#fff;font-size:13.5px;font-weight:600;line-height:1.4;
}
.rl-mega__card:hover img{transform:scale(1.05);}

.rl-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.rl-icon-btn{
  width:44px;height:44px;border-radius:var(--radius-pill);
  border:1px solid var(--rl-border);background:#fff;color:var(--rl-muted);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.rl-icon-btn:hover{color:var(--rl-primary);border-color:var(--rl-primary);background:var(--rl-primary-100);}
.rl-icon-btn:active{transform:translateY(1px);}
.rl-burger{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--rl-border);color:var(--rl-primary);align-items:center;justify-content:center;}

/* ============ Buttons ============ */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;
  transition:all .18s ease;
}
.rl-btn--primary{background:var(--rl-primary);color:#fff;}
.rl-btn--primary:hover{background:var(--rl-primary-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.rl-btn--primary:active{transform:translateY(0);box-shadow:none;}
.rl-btn--outline{background:#fff;border-color:var(--rl-border-strong);color:var(--rl-primary);}
.rl-btn--outline:hover{background:var(--rl-primary-100);border-color:var(--rl-primary);color:var(--rl-primary);transform:translateY(-2px);}
.rl-btn--outline:active{transform:translateY(0);}
.rl-btn--ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.rl-btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.9);transform:translateY(-2px);}
.rl-btn--sm{height:40px;padding:0 18px;font-size:14px;}
.rl-btn[disabled],.rl-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ Hero ============ */
.rl-page-hero{
  background:#fff;
  border-bottom:1px solid var(--rl-divider);
  padding:36px 0 52px;
  position:relative;
  overflow:hidden;
}
.rl-page-hero::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:var(--rl-primary-100);opacity:.55;pointer-events:none;
}
.rl-page-hero__inner{position:relative;z-index:1;}
.rl-breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:6px;
  font-size:13px;color:var(--rl-faint);margin-bottom:26px;
}
.rl-breadcrumb a{color:var(--rl-muted);}
.rl-breadcrumb a:hover{color:var(--rl-primary);}
.rl-breadcrumb .sep{color:var(--rl-border-strong);}
.rl-breadcrumb .current{color:var(--rl-faint);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw;}
.rl-page-hero__head{max-width:820px;margin:0 auto;text-align:center;}
.rl-page-hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--radius-pill);
  border:1px solid var(--rl-accent);color:var(--rl-accent);
  font-size:13px;font-weight:600;background:#fff;margin-bottom:18px;
}
.rl-page-hero h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:700;letter-spacing:.01em;margin-bottom:16px;
}
.rl-page-hero__sub{
  font-size:17px;color:var(--rl-muted);line-height:1.8;
  max-width:660px;margin:0 auto 26px;
}
.rl-search{
  display:flex;align-items:center;gap:8px;
  width:480px;max-width:100%;margin:0 auto;
  height:52px;padding:0 6px 0 20px;
  background:#fff;border:1px solid var(--rl-border-strong);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-sm);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.rl-search:focus-within{border-color:var(--rl-primary);box-shadow:0 0 0 3px rgba(27,94,140,.12);}
.rl-search i{color:var(--rl-faint);font-size:15px;}
.rl-search input{
  flex:1 1 auto;border:none;background:transparent;outline:none;
  font-size:15px;color:var(--rl-text);min-width:0;
}
.rl-search input::placeholder{color:var(--rl-faint);}
.rl-search button{
  flex:0 0 auto;height:40px;padding:0 20px;border-radius:var(--radius-pill);
  background:var(--rl-primary);color:#fff;font-size:14px;font-weight:600;
  transition:background-color .18s ease,transform .18s ease;
}
.rl-search button:hover{background:var(--rl-primary-700);}
.rl-search button:active{transform:translateY(1px);}

/* ============ Subnav ============ */
.rl-subnav-wrap{background:#fff;border-bottom:1px solid var(--rl-divider);}
.rl-subnav{
  display:flex;flex-wrap:wrap;gap:10px;padding:18px 0;
  align-items:center;
}
.rl-subnav__label{font-size:13px;color:var(--rl-faint);margin-right:6px;}
.rl-subnav a{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:var(--radius-pill);border:1px solid var(--rl-border);
  background:#fff;font-size:14px;color:var(--rl-text);
  transition:all .18s ease;
}
.rl-subnav a:hover{border-color:var(--rl-primary);color:var(--rl-primary);background:var(--rl-primary-100);}
.rl-subnav a.is-current{background:var(--rl-primary);border-color:var(--rl-primary);color:#fff;font-weight:600;}
.rl-subnav a.is-current:hover{background:var(--rl-primary-700);color:#fff;}

/* ============ Layout ============ */
.rl-main{padding:56px 0 0;}
.rl-layout{
  display:grid;grid-template-columns:240px minmax(0,1fr);
  gap:48px;align-items:start;
}
.rl-toc{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--rl-border);
  border-radius:var(--radius-lg);padding:20px 16px;
  box-shadow:var(--shadow-sm);
}
.rl-toc h2{
  font-size:13px;color:var(--rl-faint);font-weight:600;
  letter-spacing:.06em;padding:0 12px;margin-bottom:10px;
}
.rl-toc__list li + li{margin-top:2px;}
.rl-toc__list a{
  display:block;padding:9px 12px;
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  font-size:14px;color:var(--rl-muted);
}
.rl-toc__list a:hover{color:var(--rl-primary);background:var(--rl-primary-100);}
.rl-toc__list a.is-active{
  color:var(--rl-primary);border-left-color:var(--rl-primary);
  background:var(--rl-primary-100);font-weight:600;
}
.rl-toc__meta{
  margin-top:16px;padding:14px 12px 4px;
  border-top:1px solid var(--rl-divider);
  font-size:13px;color:var(--rl-faint);line-height:1.7;
}
.rl-toc__meta strong{color:var(--rl-primary);font-variant-numeric:tabular-nums;font-size:18px;display:block;}

/* ============ FAQ ============ */
.rl-faq__group{margin-bottom:44px;scroll-margin-top:100px;}
.rl-faq__group:last-of-type{margin-bottom:32px;}
.rl-faq__ghead{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.rl-faq__ghead::before{
  content:"";width:6px;height:22px;border-radius:3px;background:var(--rl-primary);flex:0 0 auto;
}
.rl-faq__ghead h2{font-size:22px;}
.rl-faq__ghead span{font-size:13px;color:var(--rl-faint);font-variant-numeric:tabular-nums;}
.rl-faq__item{
  background:#fff;border:1px solid var(--rl-border);
  border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.rl-faq__item:hover{border-color:var(--rl-border-strong);box-shadow:var(--shadow-sm);}
.rl-faq__item[open]{border-color:var(--rl-border-strong);box-shadow:var(--shadow-md);}
.rl-faq__item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:60px;
  font-size:16.5px;font-weight:600;color:var(--rl-ink);
  transition:background-color .18s ease;
}
.rl-faq__item summary::-webkit-details-marker{display:none;}
.rl-faq__item summary:hover{color:var(--rl-primary);background:#F8FBFD;}
.rl-faq__item[open] summary{background:#F8FBFD;border-left:3px solid var(--rl-primary);padding-left:19px;color:var(--rl-primary);}
.rl-faq__icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--rl-border-strong);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--rl-primary);font-size:13px;
  transition:transform .22s ease,border-color .18s ease,background-color .18s ease;
}
.rl-faq__item summary:hover .rl-faq__icon{border-color:var(--rl-primary);background:var(--rl-primary-100);}
.rl-faq__item[open] .rl-faq__icon{transform:rotate(45deg);border-color:var(--rl-primary);background:var(--rl-primary-100);}
.rl-faq__a{
  padding:0 22px 20px 22px;font-size:15.5px;line-height:1.85;color:var(--rl-muted);
  max-width:760px;
}
.rl-faq__a a{color:var(--rl-primary);text-decoration:underline;text-underline-offset:3px;}
.rl-faq__empty{
  display:none;text-align:center;padding:56px 24px;
  background:#fff;border:1px dashed var(--rl-border-strong);border-radius:var(--radius-lg);
}
.rl-faq__empty i{font-size:44px;color:var(--rl-border-strong);display:block;margin-bottom:14px;}
.rl-faq__empty p{font-size:15px;color:var(--rl-muted);margin-bottom:18px;}
.rl-faq__empty.is-show{display:block;}

/* ============ Contact ============ */
.rl-contact{margin-top:8px;}
.rl-contact-card{
  background:#EAF2F8;border-left:6px solid var(--rl-primary);
  border-radius:var(--radius-xl);
  padding:32px;display:grid;grid-template-columns:220px minmax(0,1fr) auto;
  gap:32px;align-items:center;
}
.rl-contact-card__media{
  border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;background:var(--rl-primary-700);
}
.rl-contact-card__media img{width:100%;height:100%;object-fit:cover;}
.rl-contact-card h2{font-size:22px;margin-bottom:10px;}
.rl-contact-card p{font-size:15px;color:var(--rl-muted);line-height:1.8;max-width:560px;}
.rl-contact-card__lines{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px 26px;}
.rl-contact-card__lines span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--rl-text);font-variant-numeric:tabular-nums;
}
.rl-contact-card__lines i{color:var(--rl-accent);}

/* ============ CTA ============ */
.rl-cta-wrap{padding:64px 0 88px;}
.rl-cta{
  background:var(--rl-primary-700);color:#fff;
  border-radius:var(--radius-xl);padding:48px 44px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.rl-cta::after{
  content:"";position:absolute;right:-80px;bottom:-90px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,255,255,.06);pointer-events:none;
}
.rl-cta__text{position:relative;z-index:1;}
.rl-cta h2{color:#fff;font-size:28px;margin-bottom:10px;}
.rl-cta p{color:rgba(255,255,255,.82);font-size:15.5px;max-width:640px;line-height:1.8;}
.rl-cta__actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ Footer ============ */
.rl-footer{background:var(--rl-footer-bg);color:var(--rl-footer-text);padding:64px 0 0;margin-top:0;}
.rl-footer__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);
}
.rl-footer__brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;
}
.rl-footer__brand:hover{color:#fff;}
.rl-footer__brand .rl-logo__mark{background:#fff;}
.rl-footer__brand .rl-logo__mark::after{background:var(--rl-primary-700);}
.rl-footer p{font-size:14px;line-height:1.85;color:var(--rl-footer-text);max-width:340px;}
.rl-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.rl-footer__links li + li{margin-top:10px;}
.rl-footer__links a{font-size:14px;color:var(--rl-footer-text);}
.rl-footer__links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.rl-footer__contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;}
.rl-footer__contact li + li{margin-top:12px;}
.rl-footer__contact i{color:var(--rl-accent);margin-top:5px;font-size:14px;}
.rl-footer__bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  padding:20px 0 28px;font-size:13px;color:var(--rl-faint);
}
.rl-footer__bottom a{color:var(--rl-footer-text);text-decoration:underline;text-underline-offset:3px;}
.rl-footer__bottom a:hover{color:#fff;}

/* ============ Back to top ============ */
.rl-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  background:var(--rl-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .24s ease;
}
.rl-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.rl-top:hover{background:var(--rl-primary-700);color:#fff;}

/* ============ Section helpers ============ */
.rl-section-head{margin-bottom:28px;}
.rl-section-head h2{font-size:28px;}
.rl-section-head p{font-size:15px;color:var(--rl-muted);margin-top:8px;}

/* ============ Responsive ============ */
@media (max-width:1279px){
  .rl-mega{width:700px;}
}
@media (max-width:1023px){
  .rl-header__inner{padding:0 24px;height:68px;gap:14px;}
  .rl-container{padding-left:24px;padding-right:24px;}
  .rl-burger{display:inline-flex;}
  .rl-nav{
    position:fixed;top:68px;left:0;right:0;bottom:auto;
    max-height:calc(100vh - 68px);overflow-y:auto;
    background:#fff;border-bottom:1px solid var(--rl-border);
    box-shadow:var(--shadow-md);
    padding:14px 20px 24px;
    display:none;flex-direction:column;justify-content:flex-start;
    z-index:85;
  }
  .rl-nav.is-open{display:flex;}
  .rl-nav__list{flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .rl-nav__item{width:100%;border-bottom:1px solid var(--rl-divider);}
  .rl-nav__item:last-child{border-bottom:none;}
  .rl-nav__link{
    height:52px;padding:0;border-radius:0;width:100%;justify-content:space-between;
    font-size:15.5px;background:transparent!important;
  }
  .rl-mega{
    position:static;width:100%;max-width:none;transform:none;
    opacity:1;visibility:visible;pointer-events:auto;
    display:none;grid-template-columns:1fr;gap:18px;
    border-top:none;border-left:2px solid var(--rl-border);
    border-radius:0;box-shadow:none;
    padding:6px 0 18px 16px;margin-bottom:6px;
  }
  .rl-nav__item.is-expanded > .rl-mega{display:grid;}
  .rl-nav__item:hover > .rl-mega{transform:none;}
  .rl-mega__cards{flex-direction:row;}
  .rl-mega__card{flex:1 1 0;}
  .rl-main{padding:40px 0 0;}
  .rl-layout{grid-template-columns:1fr;gap:28px;}
  .rl-toc{position:static;padding:16px;}
  .rl-toc__list{display:flex;flex-wrap:wrap;gap:8px;}
  .rl-toc__list li + li{margin-top:0;}
  .rl-toc__list a{
    border-left:none;border:1px solid var(--rl-border);border-radius:var(--radius-pill);
    padding:8px 14px;font-size:13.5px;
  }
  .rl-toc__list a.is-active{border-color:var(--rl-primary);}
  .rl-contact-card{grid-template-columns:1fr;gap:22px;}
  .rl-contact-card__media{max-width:320px;}
  .rl-cta{grid-template-columns:1fr;padding:36px 28px;}
  .rl-cta h2{font-size:24px;}
  .rl-footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rl-footer p{max-width:none;}
}
@media (max-width:767px){
  .rl-header__inner{padding:0 20px;height:64px;}
  .rl-container{padding-left:20px;padding-right:20px;}
  .rl-logo{font-size:18px;}
  .rl-nav{top:64px;max-height:calc(100vh - 64px);}
  .rl-actions .rl-btn{display:none;}
  .rl-page-hero{padding:24px 0 40px;}
  .rl-page-hero__sub{font-size:15.5px;}
  .rl-search{width:100%;height:50px;}
  .rl-search button{padding:0 16px;}
  .rl-main{padding:32px 0 0;}
  .rl-faq__item summary{font-size:15.5px;padding:16px 18px;}
  .rl-faq__item[open] summary{padding-left:15px;}
  .rl-faq__a{padding:0 18px 18px;font-size:15px;}
  .rl-faq__ghead h2{font-size:20px;}
  .rl-cta-wrap{padding:48px 0 64px;}
  .rl-cta{padding:30px 22px;border-radius:var(--radius-lg);}
  .rl-cta__actions{width:100%;}
  .rl-cta__actions .rl-btn{width:100%;}
  .rl-contact-card{padding:24px 20px;}
  .rl-footer{padding-top:48px;}
  .rl-footer__grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .rl-footer__bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .rl-top{right:16px;bottom:16px;}
}
@media (max-width:519px){
  .rl-page-hero h1{font-size:26px;}
  .rl-subnav{gap:8px;padding:14px 0;}
  .rl-subnav a{height:38px;padding:0 14px;font-size:13.5px;}
  .rl-subnav__label{display:none;}
  .rl-mega__cards{flex-direction:column;}
  .rl-faq__item{border-radius:12px;}
  .rl-toc__list a{padding:7px 12px;font-size:13px;}
}

/* roulang page: category3 */
:root{
  --primary:#1B5E8C;
  --primary-700:#123F63;
  --primary-100:#E7F0F7;
  --accent:#12A594;
  --accent-100:#E6F6F3;
  --warn:#E8873A;
  --text:#10202E;
  --body:#22333F;
  --muted:#5B6B7A;
  --faint:#8A99A6;
  --border:#E3EAF1;
  --divider:#EEF3F7;
  --bg:#F3F7FA;
  --card:#FFFFFF;
  --dark:#0F1E2B;
  --dark-text:#C7D3DD;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:18px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,42,67,.06);
  --sh-md:0 8px 24px rgba(16,42,67,.08);
  --sh-lg:0 16px 36px rgba(16,42,67,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  letter-spacing:.01em;
}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--text);font-weight:700;line-height:1.32;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
img{max-width:100%;display:block;border:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
body.rl-noscroll{overflow:hidden}

/* 容器 */
.grid-container.rl-container{max-width:1200px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto}
.rl-grid{margin-left:0;margin-right:0}
.rl-grid>.cell{padding-left:0;padding-right:0}

/* ============ Header / Nav ============ */
.rl-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease}
.rl-header.is-scrolled{box-shadow:var(--sh-md)}
.rl-header__inner{max-width:1200px;margin:0 auto;padding:0 32px;height:72px;display:flex;align-items:center;gap:28px}
.rl-logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--text);white-space:nowrap;letter-spacing:.02em}
.rl-logo__mark{position:relative;width:26px;height:26px;border-radius:8px;background:var(--primary);flex:0 0 auto}
.rl-logo__mark::after{content:"";position:absolute;left:7px;top:7px;width:12px;height:12px;border:2px solid #fff;border-radius:3px}
.rl-logo:hover{color:var(--primary)}

.rl-nav{flex:1 1 auto}
.rl-nav__list{display:flex;align-items:center;gap:2px}
.rl-nav__item{position:relative}
.rl-nav__link{display:inline-flex;align-items:center;gap:6px;height:72px;padding:0 14px;font-size:15.5px;font-weight:500;color:var(--body);border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease}
.rl-nav__link:hover{color:var(--primary)}
.rl-nav__link.is-active{color:var(--primary);font-weight:600;border-bottom-color:var(--primary)}
.rl-nav__link i{font-size:11px;color:var(--faint);transition:transform .22s ease}
.rl-nav__item:hover .rl-nav__link i,
.rl-nav__item:focus-within .rl-nav__link i{transform:rotate(180deg)}

.rl-mega{
  position:absolute;top:100%;left:50%;
  transform:translateX(-50%) translateY(-6px);
  width:780px;padding:24px;
  background:#fff;border-top:3px solid var(--primary);
  border-radius:16px;box-shadow:0 16px 40px rgba(16,42,67,.12);
  display:grid;grid-template-columns:1.05fr 1.15fr 1fr;gap:26px;
  opacity:0;visibility:hidden;z-index:70;
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.rl-nav__item:hover .rl-mega,
.rl-nav__item:focus-within .rl-mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.rl-mega__title{margin:0 0 12px;font-size:13px;font-weight:600;color:var(--faint);letter-spacing:.06em}
.rl-mega__links li{margin-bottom:10px}
.rl-mega__links a{display:inline-block;font-size:14.5px;color:var(--body);transition:color .2s ease,transform .2s ease}
.rl-mega__links a:hover{color:var(--primary);transform:translateX(2px)}
.rl-mega__news li{margin-bottom:14px}
.rl-mega__news a{display:flex;gap:12px;align-items:baseline;justify-content:space-between;font-size:14.5px;color:var(--body)}
.rl-mega__news a span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:190px}
.rl-mega__news a em{font-style:normal;font-size:12.5px;color:var(--faint);font-variant-numeric:tabular-nums;flex:0 0 auto}
.rl-mega__news a:hover{color:var(--primary)}
.rl-mega__cards{display:grid;gap:12px}
.rl-mega__card{position:relative;display:block;border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:var(--primary-700)}
.rl-mega__card img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.rl-mega__card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(15,30,43,.78),rgba(15,30,43,0) 62%)}
.rl-mega__card b{position:absolute;left:14px;bottom:12px;z-index:2;color:#fff;font-size:14px;font-weight:600}
.rl-mega__card:hover img{transform:scale(1.05)}

.rl-header__actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.rl-icon-btn{width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);background:#fff;border:1px solid var(--border);transition:all .2s ease}
.rl-icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-100)}
.rl-hamburger{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:10px;border:1px solid var(--border);background:#fff;transition:border-color .2s ease}
.rl-hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.rl-hamburger:hover{border-color:var(--primary)}
.rl-hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.rl-hamburger.is-open span:nth-child(2){opacity:0}
.rl-hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 按钮 / 徽章 ============ */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-pill);font-size:15.5px;font-weight:600;border:1px solid transparent;white-space:nowrap;cursor:pointer;transition:all .22s ease}
.rl-btn--primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm)}
.rl-btn--primary:hover{background:var(--primary-700);transform:translateY(-2px);box-shadow:var(--sh-md);color:#fff}
.rl-btn--primary:active{transform:translateY(0)}
.rl-btn--outline{background:#fff;color:var(--primary);border-color:var(--border)}
.rl-btn--outline:hover{background:var(--primary-100);border-color:var(--primary);color:var(--primary)}
.rl-btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.rl-btn--ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.rl-btn--sm{height:40px;padding:0 18px;font-size:14.5px}
.rl-btn[disabled],.rl-btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}

.rl-badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;border:1px solid var(--accent);color:var(--accent);background:#fff}
.rl-badge--solid{background:var(--accent);color:#fff;border-color:var(--accent)}
.rl-tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:4px;border:1px solid var(--border);color:var(--primary);font-size:12.5px;font-weight:600;background:#fff}

/* ============ Hero ============ */
.rl-cat-hero{position:relative;display:flex;align-items:flex-end;min-height:360px;background:var(--primary-700) url("/assets/images/backpic/back-1.png") center/cover no-repeat;overflow:hidden}
.rl-cat-hero__overlay{position:absolute;inset:0;background:rgba(15,30,43,.62)}
.rl-cat-hero__inner{position:relative;z-index:2;padding-top:96px;padding-bottom:56px;width:100%}
.rl-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.rl-breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.rl-breadcrumb__sep{color:rgba(255,255,255,.5)}
.rl-breadcrumb__current{color:#fff;font-weight:600}
.rl-cat-hero h1{font-size:clamp(28px,4vw,42px);color:#fff;margin-bottom:16px;letter-spacing:.02em;max-width:820px}
.rl-cat-hero__lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.88);max-width:620px}
.rl-cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.rl-hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18);max-width:620px}
.rl-hero-stats li{display:flex;align-items:baseline;gap:10px}
.rl-hero-stats b{font-size:26px;color:#7FE3D6;font-variant-numeric:tabular-nums;font-weight:700}
.rl-hero-stats span{font-size:13.5px;color:rgba(255,255,255,.78)}

/* ============ 分类子导航 ============ */
.rl-catnav{background:#fff;border-bottom:1px solid var(--border)}
.rl-catnav__inner{display:flex;flex-wrap:wrap;gap:12px;padding:18px 0}
.rl-catpill{display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--border);background:#fff;color:var(--body);font-size:14.5px;font-weight:500;transition:all .2s ease}
.rl-catpill:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-100)}
.rl-catpill.is-active{background:var(--primary);border-color:var(--primary);color:#fff}

/* ============ 板块 ============ */
.rl-section{padding:88px 0}
.rl-section--alt{background:#fff}
.rl-section__head{max-width:720px;margin-bottom:44px}
.rl-section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.rl-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--accent);margin-bottom:14px}
.rl-eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.rl-section__head--center .rl-eyebrow::before{display:none}
.rl-section__head h2{font-size:clamp(24px,2.4vw,31px);margin-bottom:14px}
.rl-section__head p{color:var(--muted);font-size:16px;line-height:1.85}

/* ============ 应用领域：编号错位 ============ */
.rl-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 32px;align-items:start}
.rl-point{display:flex;gap:20px;padding:26px 26px 28px;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-sm);transition:box-shadow .28s ease,transform .28s ease,border-color .28s ease}
.rl-point:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);border-color:var(--primary)}
.rl-points>.rl-point:nth-child(even){margin-top:30px}
.rl-point__num{flex:0 0 auto;min-width:56px;font-size:38px;line-height:1;font-weight:700;color:#D7E4EE;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.rl-point__body h3{font-size:20px;margin-bottom:8px}
.rl-point__body p{color:var(--muted);font-size:15px;line-height:1.8}
.rl-point__icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--accent-100);color:var(--accent);font-size:15px;margin-top:14px}

/* ============ 案例错位卡 ============ */
.rl-cases{margin-left:0;margin-right:0}
.rl-cases>.cell{padding-left:0;padding-right:0}
.rl-cases__col{display:grid;gap:32px;align-content:start}
.rl-cases__col--offset{margin-top:34px}
.rl-case{display:block;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .3s ease,transform .3s ease,border-color .3s ease}
.rl-case:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);border-color:var(--primary)}
.rl-case__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--primary-100)}
.rl-case__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,.61,.36,1)}
.rl-case:hover .rl-case__media img{transform:scale(1.04)}
.rl-case__tag{position:absolute;left:16px;top:16px;z-index:2;padding:5px 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.94);color:var(--primary);font-size:13px;font-weight:600}
.rl-case__body{padding:22px 24px 26px}
.rl-case__body h3{font-size:20px;margin-bottom:10px}
.rl-case__body p{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:16px}
.rl-case__more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14.5px;font-weight:600}
.rl-case__more i{font-size:12px;transition:transform .22s ease}
.rl-case:hover .rl-case__more i{transform:translateX(4px)}

/* ============ 流程时间轴 ============ */
.rl-flow{margin-top:12px}
.rl-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;position:relative;padding-top:14px}
.rl-steps::before{content:"";position:absolute;left:3%;right:3%;top:25px;height:1px;background:var(--border)}
.rl-step{position:relative;padding-top:54px}
.rl-step__dot{position:absolute;top:14px;left:0;width:22px;height:22px;border-radius:50%;background:#fff;border:2px solid var(--primary);display:flex;align-items:center;justify-content:center}
.rl-step__dot::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary)}
.rl-step__num{display:block;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em;margin-bottom:8px;font-variant-numeric:tabular-nums}
.rl-step h3{font-size:18px;margin-bottom:8px}
.rl-step p{font-size:14.8px;color:var(--muted);line-height:1.8}

/* ============ 引言卡 + 反馈要点 ============ */
.rl-quote{max-width:900px;margin:0 auto;background:#fff;border-left:4px solid var(--accent);border-radius:0 var(--r-lg) var(--r-lg) 0;padding:32px 38px;box-shadow:var(--sh-sm)}
.rl-quote blockquote{margin:0;font-size:18px;line-height:1.9;color:var(--text);font-weight:500}
.rl-quote__meta{margin-top:16px;font-size:14px;color:var(--faint)}
.rl-notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;max-width:1020px;margin:36px auto 0}
.rl-note{display:flex;gap:14px;padding:22px;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);transition:box-shadow .25s ease,border-color .25s ease}
.rl-note:hover{box-shadow:var(--sh-md);border-color:var(--accent)}
.rl-note__icon{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--accent-100);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-size:13px;margin-top:3px}
.rl-note h3{font-size:16.5px;margin-bottom:6px}
.rl-note p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ============ FAQ ============ */
.rl-faq{max-width:860px;margin:0 auto}
.rl-faq__item{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}
.rl-faq__item[open]{border-color:var(--primary);background:#F8FBFD;box-shadow:var(--sh-sm)}
.rl-faq__q{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:62px;padding:12px 22px;font-size:16.5px;font-weight:600;color:var(--text);cursor:pointer;list-style:none}
.rl-faq__q::-webkit-details-marker{display:none}
.rl-faq__q::marker{content:""}
.rl-faq__icon{position:relative;flex:0 0 auto;width:16px;height:16px}
.rl-faq__icon::before,.rl-faq__icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .25s ease}
.rl-faq__icon::before{left:0;top:7px;width:16px;height:2px}
.rl-faq__icon::after{left:7px;top:0;width:2px;height:16px}
.rl-faq__item[open] .rl-faq__icon::after{transform:scaleY(0)}
.rl-faq__a{padding:0 22px 22px;margin-left:22px;border-left:3px solid var(--primary);color:var(--muted);font-size:15.5px;line-height:1.85}

/* ============ CTA ============ */
.rl-cta{background:#EAF2F8;border-left:6px solid var(--primary);border-radius:var(--r-xl);padding:48px 52px;display:grid;grid-template-columns:1.3fr auto;gap:32px;align-items:center}
.rl-cta h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:12px}
.rl-cta p{color:var(--muted);font-size:15.5px;line-height:1.85;max-width:560px}
.rl-cta__actions{display:flex;flex-wrap:wrap;gap:12px}
.rl-cta__meta{margin-top:18px;font-size:13.5px;color:var(--faint)}

/* ============ 回到顶部 ============ */
.rl-totop{position:fixed;right:24px;bottom:24px;z-index:90;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-md);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,background-color .2s ease,transform .2s ease}
.rl-totop.is-show{opacity:1;visibility:visible}
.rl-totop:hover{background:var(--primary-700);transform:translateY(-2px);color:#fff}

/* ============ Footer ============ */
.rl-footer{background:var(--dark);color:var(--dark-text);padding:64px 0 0}
.rl-footer__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.rl-footer__brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:700;margin-bottom:16px}
.rl-footer__brand .rl-logo__mark{background:var(--accent)}
.rl-footer__grid>div>p{font-size:14.5px;line-height:1.85;color:#9FB2C1;max-width:340px}
.rl-footer h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:600}
.rl-footer__links li{margin-bottom:12px}
.rl-footer__links a{display:inline-block;font-size:14.5px;color:var(--dark-text);min-height:24px;transition:color .2s ease,transform .2s ease}
.rl-footer__links a:hover{color:#fff;transform:translateX(3px)}
.rl-footer__contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:14px;line-height:1.7;color:var(--dark-text)}
.rl-footer__contact i{color:var(--accent);margin-top:5px;flex:0 0 auto}
.rl-footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#8FA3B4}
.rl-footer__bottom a{color:#8FA3B4}
.rl-footer__bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .grid-container.rl-container{max-width:1280px}
}
@media (max-width:1199px){
  .rl-mega{width:700px}
  .rl-nav__link{padding:0 11px;font-size:15px}
}
@media (max-width:1023px){
  .rl-header__inner{padding:0 24px;gap:16px;height:68px}
  .rl-hamburger{display:flex}
  .rl-nav{position:fixed;top:68px;left:0;right:0;bottom:0;background:#fff;padding:12px 24px 48px;overflow-y:auto;transform:translateX(100%);transition:transform .3s ease;border-top:1px solid var(--border)}
  .rl-nav.is-open{transform:translateX(0)}
  .rl-nav__list{display:block}
  .rl-nav__item{border-bottom:1px solid var(--divider)}
  .rl-nav__link{display:flex;justify-content:space-between;height:auto;min-height:56px;padding:14px 0;border-bottom:0;font-size:16px}
  .rl-nav__link.is-active{border-bottom:0;color:var(--primary)}
  .rl-mega{position:static;transform:none;opacity:1;visibility:visible;display:none;width:auto;padding:4px 0 18px;border-top:0;border-radius:0;box-shadow:none;grid-template-columns:1fr;gap:18px}
  .rl-nav__item.is-expanded .rl-mega{display:grid}
  .rl-mega__news a span{max-width:none}
  .rl-mega__cards{grid-template-columns:1fr 1fr}
  .rl-section{padding:64px 0}
  .rl-points{grid-template-columns:1fr}
  .rl-points>.rl-point:nth-child(even){margin-top:0}
  .rl-cases__col--offset{margin-top:0}
  .rl-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .rl-steps::before{display:none}
  .rl-step{padding:22px 22px 24px;background:#fff;border:1px solid var(--border);border-radius:var(--r-md)}
  .rl-step__dot{position:static;margin-bottom:12px}
  .rl-notes{grid-template-columns:1fr}
  .rl-cta{grid-template-columns:1fr;padding:40px 32px}
  .rl-footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .grid-container.rl-container{padding-left:20px;padding-right:20px}
  .rl-header__inner{padding:0 20px}
  .rl-cat-hero{min-height:320px}
  .rl-cat-hero__inner{padding-top:72px;padding-bottom:44px}
  .rl-hero-stats{gap:24px}
  .rl-hero-stats b{font-size:22px}
  .rl-section{padding:52px 0}
  .rl-section__head{margin-bottom:32px}
  .rl-quote{padding:24px 22px}
  .rl-quote blockquote{font-size:16.5px}
  .rl-catnav__inner{gap:10px;padding:14px 0}
  .rl-catpill{height:38px;padding:0 15px;font-size:14px}
  .rl-footer__grid{grid-template-columns:1fr;gap:28px}
  .rl-footer__bottom{flex-direction:column;gap:8px}
}
@media (max-width:519px){
  .rl-header__actions .rl-btn{display:none}
  .rl-logo{font-size:18px}
  .rl-cat-hero__actions .rl-btn{width:100%}
  .rl-cta__actions{flex-direction:column}
  .rl-cta__actions .rl-btn{width:100%}
  .rl-mega__cards{grid-template-columns:1fr}
  .rl-totop{right:16px;bottom:16px}
  .rl-point{padding:22px 20px}
  .rl-point__num{font-size:30px;min-width:44px}
}