/* roulang page: index */
:root{
  --brand:#0F6B5F;
  --brand-dark:#0A4F46;
  --brand-soft:#E4F1EE;
  --brand-faint:#F1F7F5;
  --accent:#E8912E;
  --accent-hover:#C97A1E;
  --accent-soft:#FDF1DF;
  --danger:#C2452D;
  --danger-soft:#FBEAE6;
  --bg:#F7F4EE;
  --bg-alt:#EFF3F0;
  --card:#FFFFFF;
  --ink:#10302B;
  --ink-text:#F2F6F3;
  --text:#1B2321;
  --text-2:#4E5A56;
  --text-3:#7C8A85;
  --border:#E2E6E1;
  --line:#EDF0EC;
  --sh1:0 2px 8px rgba(15,43,38,.05);
  --sh2:0 12px 28px rgba(15,43,38,.08);
  --sh3:0 20px 44px rgba(15,43,38,.12);
  --r-xs:5px;
  --r-sm:8px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:20px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:all .18s cubic-bezier(.2,.7,.3,1);
  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  word-break:break-word;
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:var(--t);}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-title);color:var(--text);margin:0;line-height:1.3;letter-spacing:.5px;font-weight:700;}
p{margin:0 0 1.15em;}
ul{margin:0;padding:0;list-style:none;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.rl-section{padding:88px 0;}
.rl-section--tight{padding:72px 0;}
.rl-section--wide{padding:96px 0;}
.rl-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.rl-sec-title{font-size:32px;position:relative;padding-left:18px;}
.rl-sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--brand);}
.rl-sec-sub{font-size:15px;color:var(--text-2);margin-top:10px;line-height:1.8;}
.rl-sec-link{font-size:15px;color:var(--brand);font-weight:600;white-space:nowrap;}
.rl-sec-link i{margin-left:6px;transition:transform .18s var(--ease);}
.rl-sec-link:hover i{transform:translateX(3px);}

/* 按钮 */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:var(--t);text-align:center;
}
.rl-btn--primary{background:var(--accent);color:#fff;box-shadow:var(--sh1);}
.rl-btn--primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.rl-btn--primary:active{transform:translateY(0);}
.rl-btn--ghost{background:transparent;color:var(--brand);border-color:rgba(15,107,95,.55);}
.rl-btn--ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);}
.rl-btn--sm{height:40px;padding:0 18px;font-size:15px;}
.rl-btn--block{width:100%;}
.rl-btn--light{background:#fff;color:var(--brand-dark);}
.rl-btn--light:hover{background:var(--brand-faint);color:var(--brand-dark);}
.rl-textlink{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.rl-textlink i{transition:transform .18s var(--ease);}
.rl-textlink:hover i{transform:translateX(3px);}

/* 徽章 */
.rl-badge{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;letter-spacing:.3px;}
.rl-badge--brand{background:var(--brand-soft);color:var(--brand-dark);}
.rl-badge--accent{background:var(--accent-soft);color:#8A5410;}
.rl-badge--danger{background:var(--danger-soft);color:var(--danger);}

/* 头部导航 */
.rl-header{
  position:sticky;top:0;z-index:1030;
  background:var(--bg);
  transition:background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
  border-bottom:1px solid transparent;
}
.rl-header.is-stuck{
  background:rgba(247,244,238,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--border);
  box-shadow:0 4px 18px rgba(15,43,38,.05);
}
.rl-nav{display:flex;align-items:center;gap:24px;height:68px;transition:height .18s var(--ease);}
.rl-header.is-stuck .rl-nav{height:60px;}
.rl-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.rl-logo-mark{
  width:32px;height:32px;border-radius:9px;flex-shrink:0;position:relative;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  box-shadow:0 4px 12px rgba(15,107,95,.28);
}
.rl-logo-mark::before{
  content:"";position:absolute;inset:7px;
  background-image:radial-gradient(circle,var(--accent) 1.6px,transparent 1.7px);
  background-size:8px 8px;background-position:0 0;
}
.rl-logo-text{font-size:18px;font-weight:700;color:var(--brand-dark);letter-spacing:.5px;font-family:var(--font-title);line-height:1;}
.rl-nav-list{display:flex;align-items:center;gap:2px;margin-left:6px;}
.rl-nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--text-2);
  border-radius:var(--r-sm);
}
.rl-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left center;transition:transform .16s var(--ease);
}
.rl-nav-link:hover{color:var(--text);}
.rl-nav-link:hover::after{transform:scaleX(1);}
.rl-nav-link.is-active{color:var(--brand-dark);font-weight:600;}
.rl-nav-link.is-active::after{transform:scaleX(1);}
.rl-nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.rl-search{position:relative;width:240px;transition:width .2s var(--ease);}
.rl-search:focus-within{width:320px;}
.rl-search i.rl-search-ico{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px;pointer-events:none;}
.rl-search input{
  width:100%;height:40px;border-radius:var(--r-md);border:1px solid var(--border);
  background:var(--bg-alt);padding:0 54px 0 36px;font-size:14px;color:var(--text);transition:var(--t);
}
.rl-search input::placeholder{color:var(--text-3);}
.rl-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(15,107,95,.12);}
.rl-kbd{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:11px;line-height:1;padding:4px 6px;border-radius:var(--r-xs);
  border:1px solid var(--border);background:#fff;color:var(--text-3);
}
.rl-search-panel{
  position:absolute;top:52px;left:0;width:480px;max-width:88vw;background:#fff;
  border:1px solid var(--border);border-radius:14px;box-shadow:var(--sh3);padding:10px;
  display:none;z-index:1040;
}
.rl-search.open .rl-search-panel{display:block;}
.rl-search-group{font-size:12px;color:var(--text-3);padding:8px 10px 6px;letter-spacing:.5px;}
.rl-search-item{
  display:flex;align-items:center;gap:10px;height:42px;padding:0 10px;border-radius:var(--r-md);
  font-size:14px;color:var(--text);
}
.rl-search-item:hover{background:var(--bg-alt);color:var(--brand-dark);}
.rl-search-item span.rl-search-tag{margin-left:auto;font-size:12px;color:var(--text-3);}
.rl-icon-btn{
  width:40px;height:40px;border-radius:var(--r-md);border:1px solid transparent;background:transparent;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);font-size:15px;transition:var(--t);
}
.rl-icon-btn:hover{background:var(--brand-soft);color:var(--brand-dark);}
.rl-burger{display:none;width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--border);background:#fff;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.rl-burger span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;}
.rl-drawer-mask{position:fixed;inset:0;background:rgba(16,48,43,.45);opacity:0;visibility:hidden;transition:var(--t);z-index:1040;}
.rl-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:1050;
  transform:translateX(102%);transition:transform .22s var(--ease);padding:20px;overflow-y:auto;box-shadow:var(--sh3);
}
.rl-drawer.open{transform:translateX(0);}
.rl-drawer-mask.open{opacity:1;visibility:visible;}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.rl-drawer-search{position:relative;margin-bottom:18px;}
.rl-drawer-search input{width:100%;height:44px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--bg-alt);padding:0 14px 0 36px;font-size:14px;}
.rl-drawer-search i{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px;}
.rl-drawer-list{margin-bottom:20px;}
.rl-drawer-link{
  display:block;padding:12px 12px;border-left:2px solid transparent;border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;color:var(--text-2);
}
.rl-drawer-link:hover{background:var(--bg-alt);color:var(--brand-dark);}
.rl-drawer-link.is-active{background:var(--brand-soft);border-left-color:var(--brand);color:var(--brand-dark);font-weight:600;}

/* Hero */
.rl-hero{
  position:relative;overflow:hidden;
  padding:96px 0 72px;
  background:
    radial-gradient(circle at 88% 12%,rgba(15,107,95,.10) 0%,rgba(15,107,95,0) 46%),
    repeating-linear-gradient(0deg,rgba(15,107,95,.05) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(90deg,rgba(15,107,95,.05) 0 1px,transparent 1px 48px),
    var(--bg);
}
.rl-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;min-height:560px;}
.rl-hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:600;margin-bottom:20px;}
.rl-hero h1{font-size:44px;line-height:1.28;margin-bottom:20px;letter-spacing:.8px;}
.rl-hero h1 em{font-style:normal;color:var(--brand);}
.rl-hero-sub{font-size:18px;line-height:1.85;color:var(--text-2);margin-bottom:28px;max-width:560px;}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px;}
.rl-hero-note{font-size:13px;color:var(--text-3);margin-bottom:28px;}
.rl-hero-stats{display:flex;align-items:stretch;gap:0;border-top:1px solid var(--line);padding-top:22px;}
.rl-hero-stat{padding-right:26px;margin-right:26px;border-right:1px solid var(--line);}
.rl-hero-stat:last-child{border-right:none;margin-right:0;padding-right:0;}
.rl-hero-stat b{display:block;font-size:24px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--brand-dark);line-height:1.2;}
.rl-hero-stat span{font-size:13px;color:var(--text-3);}
.rl-hero-media{position:relative;}
.rl-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;box-shadow:var(--sh2);}
.rl-float-card{
  position:absolute;left:-24px;bottom:-24px;width:200px;background:#fff;border-radius:14px;
  box-shadow:var(--sh3);padding:16px 18px;border:1px solid var(--border);
}
.rl-float-card b{display:block;font-size:15px;color:var(--brand-dark);margin-bottom:6px;}
.rl-float-card p{margin:0;font-size:13px;line-height:1.7;color:var(--text-2);}

/* 信任条 */
.rl-trust{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.rl-trust-inner{display:flex;align-items:center;gap:36px;min-height:72px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.rl-trust-inner::-webkit-scrollbar{display:none;}
.rl-trust-item{
  font-size:14px;color:rgba(27,35,33,.45);white-space:nowrap;font-weight:600;letter-spacing:.4px;
  display:inline-flex;align-items:center;gap:8px;transition:var(--t);
}
.rl-trust-item:hover{color:var(--brand-dark);}

/* 卖点 */
.rl-cards3{display:grid;grid-template-columns:6fr 3fr 3fr;gap:24px;align-items:stretch;}
.rl-card{
  position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh1);transition:var(--t);display:flex;flex-direction:column;
}
.rl-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(15,107,95,.28);}
.rl-card-lg{padding:36px;overflow:hidden;}
.rl-card-num{
  position:absolute;right:26px;top:8px;font-size:56px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:rgba(15,107,95,.10);font-weight:700;line-height:1;letter-spacing:-1px;
}
.rl-card-ico{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:18px;
}
.rl-card-sm .rl-card-ico{width:38px;height:38px;font-size:16px;background:var(--accent-soft);color:#8A5410;}
.rl-card h3{font-size:24px;margin-bottom:12px;}
.rl-card-sm h3{font-size:19px;margin-bottom:10px;}
.rl-card p{font-size:15px;line-height:1.85;color:var(--text-2);margin-bottom:18px;}
.rl-card-foot{margin-top:auto;}
.rl-card-list{margin-bottom:20px;}
.rl-card-list li{position:relative;padding-left:18px;font-size:15px;line-height:1.9;color:var(--text-2);}
.rl-card-list li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:2px;background:var(--brand);}

/* 场景 */
.rl-scene{background:var(--bg-alt);}
.rl-scene-grid{display:grid;grid-template-columns:4fr 8fr;gap:32px;align-items:start;}
.rl-tabs{display:flex;flex-direction:column;gap:8px;}
.rl-tab{
  display:flex;align-items:center;gap:12px;height:56px;padding:0 16px;border-radius:12px;border:1px solid transparent;
  background:transparent;font-size:15px;color:var(--text-2);text-align:left;cursor:pointer;transition:var(--t);width:100%;
}
.rl-tab i{color:var(--text-3);font-size:15px;transition:var(--t);}
.rl-tab:hover{background:var(--bg);color:var(--text);}
.rl-tab.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;border-left:3px solid var(--brand);}
.rl-tab.is-active i{color:var(--brand);}
.rl-scene-panel{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh1);}
.rl-scene-panel img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;margin-bottom:22px;}
.rl-scene-panel h3{font-size:21px;margin-bottom:14px;}
.rl-scene-points{margin-bottom:20px;}
.rl-scene-points li{position:relative;padding-left:18px;font-size:15px;line-height:1.9;color:var(--text-2);margin-bottom:6px;}
.rl-scene-points li::before{content:"";position:absolute;left:0;top:13px;width:7px;height:7px;border-radius:50%;background:var(--brand);}
.rl-mini-bar{display:flex;flex-wrap:wrap;gap:10px;padding-top:16px;border-top:1px dashed var(--line);}
.rl-mini-bar span{font-size:13px;color:var(--text-2);background:var(--brand-faint);border:1px solid var(--border);border-radius:999px;padding:5px 12px;}
.rl-scene-item{display:none;}
.rl-scene-item.is-active{display:block;}

/* 深色社会认同 */
.rl-dark{
  position:relative;background:var(--ink);color:var(--ink-text);padding:80px 0;overflow:hidden;
}
.rl-dark::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center;
}
.rl-dark > .rl-container{position:relative;z-index:2;}
.rl-dark-title{color:var(--ink-text);font-size:32px;margin-bottom:12px;}
.rl-dark-sub{color:rgba(255,255,255,.72);font-size:15px;max-width:620px;margin-bottom:40px;}
.rl-dark-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.14);border-bottom:1px solid rgba(255,255,255,.14);padding:28px 0;margin-bottom:36px;}
.rl-dark-stat{padding:0 24px;border-right:1px solid rgba(255,255,255,.14);}
.rl-dark-stat:last-child{border-right:none;}
.rl-dark-stat b{display:block;font-size:36px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#fff;line-height:1.15;}
.rl-dark-stat span{font-size:13px;color:rgba(255,255,255,.72);}
.rl-dark-partners{display:flex;flex-wrap:wrap;gap:14px 32px;margin-bottom:44px;}
.rl-dark-partners span{font-size:14px;font-weight:600;color:rgba(255,255,255,.42);letter-spacing:.4px;transition:var(--t);}
.rl-dark-partners span:hover{color:#fff;}
.rl-quote-grid{display:grid;grid-template-columns:5fr 4fr 3fr;gap:20px;align-items:start;}
.rl-quote{
  position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:28px 24px 24px;color:rgba(255,255,255,.86);font-size:15px;line-height:1.85;
}
.rl-quote::before{
  content:"“";position:absolute;left:20px;top:6px;font-size:28px;font-family:var(--font-title);color:var(--accent);
}
.rl-quote p{margin:0 0 16px;}
.rl-quote footer{font-size:13px;color:rgba(255,255,255,.6);}

/* 资讯列表 */
.rl-news-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start;}
.rl-news-main{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh1);transition:var(--t);display:block;color:inherit;
}
.rl-news-main:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(15,107,95,.28);color:inherit;}
.rl-news-media{position:relative;}
.rl-news-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.rl-news-media .rl-badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--brand-dark);}
.rl-news-body{padding:24px;}
.rl-news-body h3{font-size:20px;line-height:1.45;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rl-news-main:hover h3{color:var(--brand-dark);}
.rl-news-body p{font-size:15px;color:var(--text-2);line-height:1.8;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.rl-news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-3);border-top:1px dashed var(--line);padding-top:14px;}
.rl-news-meta .rl-textlink{margin-left:auto;font-size:13px;}
.rl-news-list{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:8px 24px;box-shadow:var(--sh1);}
.rl-news-item{display:block;padding:20px 0;border-bottom:1px dashed var(--line);color:inherit;transition:var(--t);}
.rl-news-item:last-child{border-bottom:none;}
.rl-news-item:hover{transform:translateX(2px);color:inherit;}
.rl-news-item h4{font-size:16px;font-weight:600;font-family:var(--font-body);line-height:1.6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:var(--t);}
.rl-news-item:hover h4{color:var(--brand);}
.rl-news-item p{font-size:14px;color:var(--text-3);margin:6px 0 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rl-news-item .rl-news-meta{border-top:none;padding-top:0;font-size:12px;}
.rl-empty{text-align:center;padding:56px 20px;background:#fff;border:1px dashed var(--border);border-radius:var(--r-lg);}
.rl-empty i{font-size:48px;color:var(--text-3);opacity:.55;display:block;margin-bottom:16px;}
.rl-empty strong{display:block;font-size:15px;color:var(--text-2);font-weight:600;margin-bottom:6px;}
.rl-empty span{font-size:13px;color:var(--text-3);}

/* FAQ */
.rl-faq-wrap{max-width:820px;margin:0 auto;}
.rl-accordion .accordion-item{
  border:none;background:transparent;border-radius:12px;margin-bottom:10px;overflow:hidden;transition:var(--t);
}
.rl-accordion .accordion-item.is-open{background:var(--brand-soft);}
.rl-accordion .accordion-header{margin:0;}
.rl-accordion .accordion-button{
  display:flex;align-items:center;gap:14px;width:100%;background:transparent;border:none;
  padding:20px 18px;font-size:17px;font-weight:600;color:var(--text);font-family:var(--font-body);
  text-align:left;box-shadow:none;border-radius:12px;transition:var(--t);
}
.rl-accordion .accordion-button::after{display:none;}
.rl-accordion .accordion-button:not(.collapsed){color:var(--brand-dark);background:transparent;box-shadow:none;}
.rl-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.rl-faq-ico{
  width:24px;height:24px;border-radius:7px;background:var(--brand-soft);color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;font-weight:700;
}
.rl-accordion .accordion-item.is-open .rl-faq-ico{background:#fff;}
.rl-faq-sign{
  margin-left:auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--border);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand-dark);font-size:14px;flex-shrink:0;
  transition:var(--t);
}
.rl-accordion .accordion-item.is-open .rl-faq-sign{background:var(--brand);border-color:var(--brand);color:#fff;}
.rl-accordion .accordion-body{padding:0 18px 22px 56px;font-size:15px;line-height:1.9;color:var(--text-2);}

/* CTA */
.rl-cta{
  position:relative;border-radius:var(--r-xl);overflow:hidden;padding:56px 48px;color:#fff;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
}
.rl-cta::before{
  content:"";position:absolute;inset:0;opacity:.14;
  background-image:url(/assets/images/backpic/back-3.png);background-size:cover;background-position:center right;
}
.rl-cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.rl-cta h2{color:#fff;font-size:30px;margin-bottom:12px;}
.rl-cta p{color:rgba(255,255,255,.78);font-size:16px;margin:0;max-width:620px;}
.rl-cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.rl-cta-actions .rl-link-white{color:#fff;font-size:15px;text-decoration:underline;text-underline-offset:3px;}

/* 页脚 */
.rl-footer{background:var(--bg);border-top:1px solid var(--border);padding:64px 0 0;margin-top:88px;}
.rl-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.rl-footer-brand .rl-logo{margin-bottom:16px;}
.rl-footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;margin-bottom:16px;max-width:340px;}
.rl-footer-contact{font-size:14px;color:var(--text-2);line-height:2;}
.rl-footer-contact span{display:block;}
.rl-qr{
  width:96px;height:96px;border-radius:12px;border:1px solid var(--border);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:12px;text-align:center;
  margin-top:16px;line-height:1.5;
}
.rl-footer h5{font-size:15px;font-weight:600;margin-bottom:16px;font-family:var(--font-body);}
.rl-footer-links li{margin-bottom:10px;}
.rl-footer-links a{font-size:14px;color:var(--text-2);}
.rl-footer-links a:hover{color:var(--brand);}
.rl-footer-bottom{
  border-top:1px solid var(--border);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;font-size:12px;color:var(--text-3);
}
.rl-footer-bottom .rl-policy{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap;}
.rl-footer-bottom a{color:var(--text-3);font-size:12px;}
.rl-footer-bottom a:hover{color:var(--brand);}

/* 移动端底部条 */
.rl-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;
  display:none;gap:10px;padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  background:rgba(247,244,238,.92);backdrop-filter:blur(12px);border-top:1px solid var(--border);
  opacity:0;transform:translateY(100%);transition:var(--t);
}
.rl-mobile-bar.show{opacity:1;transform:translateY(0);}
.rl-mobile-bar .rl-btn{flex:1;height:44px;padding:0 12px;font-size:14px;}
.rl-mobile-bar .rl-btn--primary{flex:1.2;}

/* 返回顶部 */
.rl-top{
  position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:12px;border:none;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh2);cursor:pointer;opacity:0;visibility:hidden;transition:var(--t);z-index:1032;
}
.rl-top.show{opacity:1;visibility:visible;}
.rl-top:hover{background:var(--brand-dark);}

@media (max-width:1399px){
  .rl-container{max-width:1200px;}
}
@media (max-width:1199px){
  .rl-hero h1{font-size:38px;}
  .rl-cards3{grid-template-columns:6fr 6fr;gap:22px;}
  .rl-cards3 .rl-card-sm:last-child{grid-column:span 2;}
  .rl-quote-grid{grid-template-columns:1fr 1fr;gap:18px;}
  .rl-quote-grid .rl-quote:last-child{grid-column:span 2;}
}
@media (max-width:991px){
  .rl-nav-list{display:none;}
  .rl-search{display:none;}
  .rl-burger{display:flex;}
  .rl-hero{padding:72px 0 56px;}
  .rl-hero-grid{grid-template-columns:1fr;gap:40px;min-height:auto;}
  .rl-hero h1{font-size:32px;}
  .rl-hero-sub{font-size:17px;}
  .rl-hero-media{order:-1;}
  .rl-float-card{left:auto;right:12px;bottom:-18px;width:180px;}
  .rl-section,.rl-section--wide{padding:64px 0;}
  .rl-section--tight{padding:56px 0;}
  .rl-cards3{grid-template-columns:1fr;gap:18px;}
  .rl-cards3 .rl-card-sm:last-child{grid-column:auto;}
  .rl-scene-grid{grid-template-columns:1fr;gap:22px;}
  .rl-tabs{flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:4px;scrollbar-width:none;}
  .rl-tabs::-webkit-scrollbar{display:none;}
  .rl-tab{height:40px;border-radius:999px;white-space:nowrap;border:1px solid var(--border);background:#fff;padding:0 16px;width:auto;}
  .rl-tab.is-active{border-left:1px solid var(--brand);}
  .rl-news-grid{grid-template-columns:1fr;gap:22px;}
  .rl-dark-stats{grid-template-columns:1fr 1fr;gap:22px 0;}
  .rl-dark-stat:nth-child(2){border-right:none;}
  .rl-dark-stat:nth-child(1),.rl-dark-stat:nth-child(2){border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:20px;}
  .rl-dark-stat:nth-child(3),.rl-dark-stat:nth-child(4){padding-top:20px;}
  .rl-quote-grid{grid-template-columns:1fr;}
  .rl-quote-grid .rl-quote:last-child{grid-column:auto;}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rl-cta{padding:40px 28px;}
  .rl-cta h2{font-size:24px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .rl-container{padding:0 18px;}
  .rl-section,.rl-section--wide{padding:48px 0;}
  .rl-section--tight{padding:44px 0;}
  .rl-sec-title{font-size:24px;}
  .rl-sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .rl-hero h1{font-size:28px;letter-spacing:.4px;}
  .rl-hero-stats{flex-wrap:wrap;gap:18px 0;}
  .rl-hero-stat{padding-right:18px;margin-right:18px;}
  .rl-card,.rl-card-lg{padding:24px;}
  .rl-card h3{font-size:20px;}
  .rl-card-sm h3{font-size:17px;}
  .rl-dark{padding:56px 0;}
  .rl-dark-title{font-size:24px;}
  .rl-dark-stat b{font-size:28px;}
  .rl-cta{padding:32px 20px;border-radius:16px;}
  .rl-cta-inner{flex-direction:column;align-items:flex-start;}
  .rl-cta-actions{width:100%;}
  .rl-cta-actions .rl-btn{width:100%;}
  .rl-footer{margin-top:56px;padding-top:48px;}
  .rl-footer-grid{grid-template-columns:1fr;gap:28px;}
  .rl-footer-bottom{flex-direction:column;align-items:flex-start;}
  .rl-footer-bottom .rl-policy{margin-left:0;}
  .rl-mobile-bar{display:flex;}
  body{padding-bottom:76px;}
  .rl-top{bottom:88px;}
  .rl-accordion .accordion-button{font-size:16px;padding:16px 14px;}
  .rl-accordion .accordion-body{padding:0 14px 18px 50px;}
  .rl-news-item h4{white-space:normal;}
  .rl-news-item p{white-space:normal;}
}
@media (max-width:519px){
  .rl-hero h1{font-size:25px;}
  .rl-hero-actions .rl-btn{width:100%;}
  .rl-hero-stat b{font-size:20px;}
  .rl-float-card{position:static;width:100%;margin-top:16px;left:auto;right:auto;bottom:auto;}
  .rl-sec-title{font-size:22px;}
  .rl-dark-stats{grid-template-columns:1fr;}
  .rl-dark-stat{border-right:none;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.14);}
  .rl-dark-stat:last-child{border-bottom:none;}
  .rl-dark-stat:nth-child(3),.rl-dark-stat:nth-child(4){padding-top:16px;}
  .rl-scene-panel{padding:18px;}
  .rl-news-list{padding:4px 16px;}
}

/* roulang page: category1 */
:root{
  --rl-primary:#0F6B5F;
  --rl-primary-dark:#0A4F46;
  --rl-primary-soft:#E4F1EE;
  --rl-primary-faint:#F1F7F5;
  --rl-accent:#E8912E;
  --rl-accent-hover:#C97A1E;
  --rl-accent-soft:#FDF1DF;
  --rl-danger:#C2452D;
  --rl-bg:#F7F4EE;
  --rl-surface:#FFFFFF;
  --rl-section:#EFF3F0;
  --rl-dark:#10302B;
  --rl-dark-text:#F2F6F3;
  --rl-text:#1B2321;
  --rl-text-2:#4E5A56;
  --rl-text-3:#7C8A85;
  --rl-border:#E2E6E1;
  --rl-divider:#EDF0EC;
  --rl-shadow-1:0 2px 8px rgba(15,43,38,.05);
  --rl-shadow-2:0 12px 28px rgba(15,43,38,.08);
  --rl-shadow-3:0 20px 44px rgba(15,43,38,.12);
  --rl-radius-card:16px;
  --rl-radius-btn:10px;
  --rl-radius-pill:999px;
  --rl-ease:cubic-bezier(.2,.7,.3,1);
  --rl-max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--rl-bg);
  color:var(--rl-text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.rl-serif{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  color:var(--rl-text);
  line-height:1.3;
  letter-spacing:.6px;
  margin:0;
}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
a{color:var(--rl-primary);text-decoration:none;transition:color .18s var(--rl-ease)}
a:hover{color:var(--rl-primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:2px;border-radius:6px}
.rl-container{width:100%;max-width:var(--rl-max);margin:0 auto;padding:0 24px}
.rl-num{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* ---------- header ---------- */
.rl-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,244,238,.96);
  border-bottom:1px solid transparent;
  transition:background .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease);
}
.rl-header.is-scrolled{
  background:rgba(247,244,238,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--rl-border);
  box-shadow:0 2px 8px rgba(15,43,38,.05);
}
.rl-nav{
  display:flex;align-items:center;gap:24px;
  height:68px;
  transition:height .18s var(--rl-ease);
}
.rl-header.is-scrolled .rl-nav{height:60px}
.rl-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.rl-logo-mark{
  width:32px;height:32px;border-radius:9px;position:relative;
  background:linear-gradient(135deg,var(--rl-primary) 0%,var(--rl-primary-dark) 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.15);
}
.rl-logo-mark::before{
  content:"";position:absolute;inset:7px;
  background:
    linear-gradient(var(--rl-accent),var(--rl-accent)) 0 0/8px 2px no-repeat,
    linear-gradient(rgba(255,255,255,.85),rgba(255,255,255,.85)) 0 6px/8px 2px no-repeat,
    linear-gradient(rgba(255,255,255,.85),rgba(255,255,255,.85)) 0 12px/8px 2px no-repeat;
}
.rl-logo-text{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:18px;font-weight:700;letter-spacing:.5px;color:var(--rl-primary-dark);
}
.rl-nav-list{display:flex;align-items:center;gap:4px;margin-left:8px}
.rl-nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;font-size:15px;color:var(--rl-text-2);white-space:nowrap;
}
.rl-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--rl-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .16s var(--rl-ease);
}
.rl-nav-link:hover{color:var(--rl-text)}
.rl-nav-link:hover::after{transform:scaleX(1)}
.rl-nav-link.is-active{color:var(--rl-primary-dark);font-weight:700}
.rl-nav-link.is-active::after{transform:scaleX(1)}
.rl-nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.rl-search{
  position:relative;display:flex;align-items:center;
  width:240px;height:40px;padding:0 10px;gap:8px;
  background:var(--rl-section);border:1px solid var(--rl-border);border-radius:var(--rl-radius-btn);
  transition:width .2s var(--rl-ease),border-color .18s var(--rl-ease),box-shadow .18s var(--rl-ease);
}
.rl-search:focus-within{
  width:320px;border-color:var(--rl-primary);
  box-shadow:0 0 0 3px rgba(15,107,95,.12);
}
.rl-search-ico{color:var(--rl-text-3);font-size:13px}
.rl-search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--rl-text);
  outline:none;font-family:inherit;
}
.rl-search input::placeholder{color:var(--rl-text-3)}
.rl-kbd{
  font-size:11px;line-height:1;padding:4px 5px;border-radius:5px;
  border:1px solid var(--rl-border);background:#fff;color:var(--rl-text-3);
  font-family:ui-monospace,Menlo,Consolas,monospace;
}
.rl-search-panel{
  position:absolute;top:calc(100% + 10px);left:0;width:480px;max-width:82vw;
  background:#fff;border:1px solid var(--rl-border);border-radius:14px;
  box-shadow:var(--rl-shadow-3);padding:8px;display:none;z-index:20;
}
.rl-search.is-open .rl-search-panel{display:block}
.rl-search-group{font-size:12px;color:var(--rl-text-3);padding:8px 10px 4px}
.rl-search-item{
  display:flex;align-items:center;gap:10px;height:42px;padding:0 10px;border-radius:10px;
  font-size:14px;color:var(--rl-text);transition:background .16s var(--rl-ease);
}
.rl-search-item:hover{background:var(--rl-section);color:var(--rl-primary-dark)}
.rl-search-item i{color:var(--rl-primary);font-size:13px;width:16px;text-align:center}
.rl-search-tag{
  margin-left:auto;font-size:12px;color:var(--rl-primary);
  background:var(--rl-primary-soft);border-radius:var(--rl-radius-pill);padding:2px 9px;line-height:1.6;
}
.rl-icon-btn{
  width:40px;height:40px;border-radius:var(--rl-radius-btn);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--rl-text-2);font-size:15px;transition:background .16s var(--rl-ease),color .16s var(--rl-ease);
}
.rl-icon-btn:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark)}
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--rl-radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.3px;cursor:pointer;
  border:1.5px solid transparent;white-space:nowrap;
  transition:background .16s var(--rl-ease),color .16s var(--rl-ease),transform .16s var(--rl-ease),box-shadow .16s var(--rl-ease),border-color .16s var(--rl-ease);
}
.rl-btn--sm{height:40px;padding:0 18px}
.rl-btn--primary{background:var(--rl-accent);color:#fff;box-shadow:var(--rl-shadow-1)}
.rl-btn--primary:hover{background:var(--rl-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--rl-shadow-2)}
.rl-btn--primary:active{transform:translateY(0)}
.rl-btn--ghost{background:transparent;color:var(--rl-primary);border-color:var(--rl-primary)}
.rl-btn--ghost:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);transform:translateY(-1px)}
.rl-btn--block{width:100%}
.rl-text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--rl-primary);
  font-size:15px;font-weight:600;text-decoration:underline;text-underline-offset:4px;
}
.rl-text-link i{transition:transform .16s var(--rl-ease)}
.rl-text-link:hover i{transform:translateX(3px)}
.rl-burger{
  display:none;width:40px;height:40px;border:1px solid var(--rl-border);border-radius:var(--rl-radius-btn);
  background:#fff;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.rl-burger span{display:block;width:16px;height:2px;background:var(--rl-text-2);border-radius:2px;transition:transform .18s var(--rl-ease),opacity .18s var(--rl-ease)}
.rl-drawer{
  position:fixed;top:0;right:-320px;width:300px;height:100%;max-height:100dvh;overflow-y:auto;
  background:var(--rl-bg);z-index:1060;padding:20px;display:flex;flex-direction:column;gap:16px;
  transition:right .24s var(--rl-ease);box-shadow:var(--rl-shadow-3);
}
.rl-drawer.is-open{right:0}
.rl-drawer-mask{
  position:fixed;inset:0;background:rgba(16,48,43,.45);z-index:1050;opacity:0;visibility:hidden;
  transition:opacity .2s var(--rl-ease),visibility .2s var(--rl-ease);
}
.rl-drawer-mask.is-open{opacity:1;visibility:visible}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between}
.rl-drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--rl-border);background:#fff;
  color:var(--rl-text-2);cursor:pointer;
}
.rl-drawer .rl-search{width:100%}
.rl-drawer .rl-search:focus-within{width:100%}
.rl-drawer-nav{display:flex;flex-direction:column;gap:2px}
.rl-drawer-nav a{
  display:block;padding:12px 14px;border-radius:10px;font-size:15px;color:var(--rl-text-2);
  border-left:2px solid transparent;
}
.rl-drawer-nav a:hover{background:var(--rl-section);color:var(--rl-text)}
.rl-drawer-nav a.is-active{background:var(--rl-primary-soft);color:var(--rl-primary-dark);font-weight:700;border-left-color:var(--rl-primary)}

/* ---------- breadcrumb ---------- */
.rl-crumb{background:var(--rl-bg);border-bottom:1px solid var(--rl-divider)}
.rl-crumb-inner{
  display:flex;align-items:center;gap:8px;height:44px;font-size:14px;color:var(--rl-text-2);
  overflow:hidden;white-space:nowrap;
}
.rl-crumb-inner a{color:var(--rl-text-2)}
.rl-crumb-inner a:hover{color:var(--rl-primary)}
.rl-crumb-sep{color:var(--rl-text-3);font-size:12px}
.rl-crumb-current{color:var(--rl-text);font-weight:600;overflow:hidden;text-overflow:ellipsis}

/* ---------- hero ---------- */
.rl-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  background:
    radial-gradient(circle at 88% 8%,rgba(15,107,95,.10),transparent 46%),
    linear-gradient(180deg,#FBF9F5 0%,var(--rl-bg) 100%);
}
.rl-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:
    linear-gradient(var(--rl-primary) 1px,transparent 1px),
    linear-gradient(90deg,var(--rl-primary) 1px,transparent 1px);
  background-size:64px 64px;
}
.rl-hero-grid{
  position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  min-height:380px;
}
.rl-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--rl-primary-dark);background:var(--rl-primary-soft);
  border-radius:var(--rl-radius-pill);padding:5px 14px;margin-bottom:18px;letter-spacing:.4px;
}
.rl-eyebrow i{font-size:12px;color:var(--rl-accent)}
.rl-hero h1{
  font-size:40px;line-height:1.28;letter-spacing:1px;margin-bottom:18px;
  border-left:4px solid var(--rl-primary);padding-left:18px;border-radius:2px;
}
.rl-hero-sub{font-size:17px;color:var(--rl-text-2);max-width:560px;margin-bottom:14px}
.rl-hero-points{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 26px}
.rl-chip{
  font-size:13px;color:var(--rl-text-2);background:#fff;border:1px solid var(--rl-border);
  border-radius:var(--rl-radius-pill);padding:5px 13px;
}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.rl-hero-figure{position:relative}
.rl-hero-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:18px;box-shadow:var(--rl-shadow-2);
}
.rl-hero-note{
  position:absolute;left:-24px;bottom:-24px;width:210px;background:#fff;border:1px solid var(--rl-border);
  border-radius:14px;box-shadow:var(--rl-shadow-3);padding:16px 18px;
}
.rl-hero-note strong{display:block;font-size:22px;color:var(--rl-primary-dark);line-height:1.2;margin-bottom:4px}
.rl-hero-note span{font-size:13px;color:var(--rl-text-3)}

/* ---------- sections ---------- */
.rl-section{padding:88px 0}
.rl-section--caps{padding:72px 0 88px;background:var(--rl-bg)}
.rl-section--stats{padding:64px 0;background:var(--rl-section);border-top:1px solid var(--rl-border);border-bottom:1px solid var(--rl-border)}
.rl-section--scene{padding:88px 0 96px;background:var(--rl-bg)}
.rl-section--faq{padding:80px 0 88px;background:var(--rl-primary-faint)}
.rl-sec-head{max-width:760px;margin-bottom:44px}
.rl-sec-head h2{font-size:32px;margin-bottom:14px}
.rl-sec-head h2 em{font-style:normal;color:var(--rl-primary)}
.rl-sec-head p{font-size:16px;color:var(--rl-text-2)}
.rl-sec-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;
}
.rl-sec-head--row > div{max-width:760px}

/* ---------- capability cards ---------- */
.rl-cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rl-cap-card{
  position:relative;background:var(--rl-surface);border:1px solid var(--rl-border);
  border-radius:var(--rl-radius-card);padding:32px 28px 28px;box-shadow:var(--rl-shadow-1);
  display:flex;flex-direction:column;overflow:hidden;
  transition:transform .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease);
}
.rl-cap-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--rl-primary),rgba(15,107,95,.25));
  transition:background .2s var(--rl-ease);
}
.rl-cap-card:hover{transform:translateY(-3px);box-shadow:var(--rl-shadow-2);border-color:rgba(15,107,95,.28)}
.rl-cap-card:hover::before{background:linear-gradient(90deg,var(--rl-accent),rgba(232,145,46,.3))}
.rl-cap-ico{
  width:52px;height:52px;border-radius:14px;background:var(--rl-primary-soft);
  display:flex;align-items:center;justify-content:center;color:var(--rl-primary-dark);
  font-size:20px;margin-bottom:18px;
}
.rl-cap-card h3{font-size:18px;margin-bottom:10px}
.rl-cap-card p{font-size:15px;color:var(--rl-text-2);line-height:1.85;margin-bottom:20px}
.rl-cap-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--rl-divider)}
.rl-cap-foot a{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.rl-cap-foot a i{font-size:11px;transition:transform .16s var(--rl-ease)}
.rl-cap-foot a:hover i{transform:translateX(3px)}

/* ---------- stats ---------- */
.rl-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.rl-stat{padding:8px 24px;border-left:1px solid rgba(15,107,95,.16)}
.rl-stat:first-child{border-left:0;padding-left:0}
.rl-stat strong{display:block;font-size:34px;line-height:1.15;color:var(--rl-primary-dark);font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:-.5px}
.rl-stat span{display:block;font-size:13px;color:var(--rl-text-3);margin-top:6px}
.rl-stat p{font-size:14px;color:var(--rl-text-2);margin:10px 0 0;line-height:1.75}

/* ---------- scene ---------- */
.rl-scene{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.rl-scene figure{margin:0;position:relative}
.rl-scene figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:16px;box-shadow:var(--rl-shadow-2)}
.rl-scene figcaption{font-size:13px;color:var(--rl-text-3);text-align:center;margin-top:12px}
.rl-scene h2{font-size:30px;margin-bottom:16px}
.rl-scene > div > p{font-size:16px;color:var(--rl-text-2)}
.rl-scene-list{margin:24px 0 0;display:flex;flex-direction:column;gap:16px}
.rl-scene-list li{display:flex;gap:14px;align-items:flex-start}
.rl-scene-list .rl-dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--rl-primary-soft);
  color:var(--rl-primary-dark);font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:4px;
}
.rl-scene-list strong{display:block;font-size:16px;font-weight:700;color:var(--rl-text);margin-bottom:2px}
.rl-scene-list span{font-size:15px;color:var(--rl-text-2);line-height:1.8}
.rl-mini-bar{
  margin-top:28px;display:flex;flex-wrap:wrap;gap:10px 26px;
  background:#fff;border:1px solid var(--rl-border);border-radius:14px;padding:16px 20px;box-shadow:var(--rl-shadow-1);
}
.rl-mini-bar div{font-size:13px;color:var(--rl-text-3)}
.rl-mini-bar b{color:var(--rl-primary-dark);font-size:16px;font-family:ui-monospace,Menlo,Consolas,monospace;margin-right:6px}

/* ---------- faq ---------- */
.rl-faq{max-width:820px;margin:0 auto}
.rl-faq-item{
  background:#fff;border:1px solid var(--rl-border);border-radius:12px;margin-bottom:12px;
  overflow:hidden;transition:background .18s var(--rl-ease),border-color .18s var(--rl-ease);
}
.rl-faq-item.is-open{background:var(--rl-primary-soft);border-color:rgba(15,107,95,.22)}
.rl-faq-btn{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:transparent;border:0;padding:20px 22px;cursor:pointer;
}
.rl-faq-q{
  flex:0 0 auto;width:24px;height:24px;border-radius:7px;background:var(--rl-primary-soft);
  color:var(--rl-primary-dark);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.rl-faq-item.is-open .rl-faq-q{background:#fff}
.rl-faq-title{flex:1;font-size:17px;font-weight:600;color:var(--rl-text);line-height:1.6}
.rl-faq-sign{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--rl-border);
  display:flex;align-items:center;justify-content:center;color:var(--rl-text-2);font-size:13px;
  background:#fff;transition:background .18s var(--rl-ease),color .18s var(--rl-ease),transform .18s var(--rl-ease);
}
.rl-faq-item.is-open .rl-faq-sign{background:var(--rl-primary);border-color:var(--rl-primary);color:#fff;transform:rotate(180deg)}
.rl-faq-panel{max-height:0;overflow:hidden;transition:max-height .24s var(--rl-ease)}
.rl-faq-panel-inner{padding:0 22px 22px 60px;font-size:15px;color:var(--rl-text-2);line-height:1.9}

/* ---------- cta ---------- */
.rl-cta{padding:0 0 88px}
.rl-cta-card{
  position:relative;overflow:hidden;border-radius:20px;padding:56px 56px 52px;
  background:linear-gradient(135deg,var(--rl-primary) 0%,var(--rl-primary-dark) 100%);
  color:var(--rl-dark-text);box-shadow:var(--rl-shadow-3);
}
.rl-cta-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,145,46,.28),transparent 68%);
}
.rl-cta-card h2{color:#fff;font-size:30px;margin-bottom:12px;position:relative}
.rl-cta-card p{color:rgba(255,255,255,.72);font-size:16px;max-width:640px;position:relative}
.rl-cta-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:28px;position:relative}
.rl-cta-link{color:#fff;font-size:15px;text-decoration:underline;text-underline-offset:3px}
.rl-cta-link:hover{color:#fff;opacity:.86}

/* ---------- footer ---------- */
.rl-footer{background:var(--rl-bg);border-top:1px solid var(--rl-border);padding:64px 0 0}
.rl-footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.rl-footer-brand .rl-logo{margin-bottom:16px}
.rl-footer-brand p{font-size:14px;color:var(--rl-text-2);line-height:1.9;max-width:340px}
.rl-footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--rl-text-2)}
.rl-footer-contact i{color:var(--rl-primary);width:16px;margin-right:8px}
.rl-footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--rl-text)}
.rl-footer-col a{display:block;font-size:14px;line-height:2;color:var(--rl-text-2)}
.rl-footer-col a:hover{color:var(--rl-primary)}
.rl-footer-bar{
  border-top:1px solid var(--rl-divider);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--rl-text-3);
}
.rl-footer-bar nav{display:flex;flex-wrap:wrap;gap:18px}
.rl-footer-bar a{font-size:12px;color:var(--rl-text-3)}
.rl-footer-bar a:hover{color:var(--rl-primary)}

/* ---------- mobile sticky bar ---------- */
.rl-mobilebar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;gap:10px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(247,244,238,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--rl-border);
  transform:translateY(110%);transition:transform .18s var(--rl-ease);
}
.rl-mobilebar.is-show{transform:translateY(0)}
.rl-mobilebar .rl-btn{flex:1;height:44px}
.rl-mobilebar .rl-btn--primary{flex:1.2}

/* ---------- back to top ---------- */
.rl-top{
  position:fixed;right:24px;bottom:28px;z-index:1035;width:44px;height:44px;border-radius:12px;
  background:var(--rl-primary);color:#fff;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--rl-shadow-2);opacity:0;visibility:hidden;transition:opacity .18s var(--rl-ease),visibility .18s var(--rl-ease),transform .18s var(--rl-ease);
}
.rl-top.is-show{opacity:1;visibility:visible}
.rl-top:hover{background:var(--rl-primary-dark);transform:translateY(-2px)}

/* ---------- responsive ---------- */
@media (max-width:1399px){
  .rl-container{max-width:1160px}
}
@media (max-width:1199px){
  .rl-search{width:200px}
  .rl-search:focus-within{width:260px}
  .rl-cap-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .rl-hero h1{font-size:36px}
}
@media (max-width:991px){
  .rl-nav-list,.rl-nav-right .rl-search,.rl-nav-right .rl-icon-btn,.rl-nav-right .rl-btn{display:none}
  .rl-burger{display:inline-flex}
  .rl-nav{gap:16px}
  .rl-hero-grid{grid-template-columns:1fr;gap:32px}
  .rl-hero-note{left:auto;right:16px;bottom:-20px;width:190px}
  .rl-cap-grid{grid-template-columns:repeat(2,1fr)}
  .rl-stats{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .rl-stat:nth-child(3){border-left:0;padding-left:0}
  .rl-scene{grid-template-columns:1fr;gap:32px}
  .rl-footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:32px}
  .rl-section{padding:64px 0}
  .rl-section--caps{padding:56px 0 64px}
  .rl-section--scene{padding:64px 0 72px}
  .rl-section--faq{padding:60px 0 64px}
  .rl-sec-head h2{font-size:26px}
  .rl-hero h1{font-size:32px}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:72px}
  .rl-container{padding:0 18px}
  .rl-hero{padding:36px 0 48px}
  .rl-hero h1{font-size:28px;padding-left:14px;border-left-width:3px}
  .rl-hero-sub{font-size:16px}
  .rl-hero-figure img{aspect-ratio:4/3}
  .rl-hero-note{position:static;width:100%;margin-top:14px;box-shadow:var(--rl-shadow-1)}
  .rl-cap-grid{grid-template-columns:1fr}
  .rl-stats{grid-template-columns:1fr;gap:22px}
  .rl-stat{border-left:0;padding:0 0 18px;border-bottom:1px solid rgba(15,107,95,.14)}
  .rl-stat:last-child{border-bottom:0;padding-bottom:0}
  .rl-sec-head{margin-bottom:28px}
  .rl-sec-head h2{font-size:23px}
  .rl-sec-head--row{flex-direction:column;align-items:flex-start;gap:12px}
  .rl-cta-card{padding:34px 24px 32px;border-radius:16px}
  .rl-cta-card h2{font-size:23px}
  .rl-cta-actions .rl-btn{width:100%}
  .rl-cta-actions .rl-cta-link{width:100%;text-align:center}
  .rl-footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .rl-footer{padding-top:48px}
  .rl-mobilebar{display:flex}
  .rl-top{bottom:88px;right:16px}
  .rl-faq-panel-inner{padding:0 18px 20px 18px}
  .rl-faq-btn{padding:16px 18px;gap:10px}
  .rl-faq-title{font-size:16px}
}
@media (max-width:575px){
  .rl-hero h1{font-size:25px;letter-spacing:.4px}
  .rl-sec-head h2{font-size:21px}
  .rl-scene h2{font-size:22px}
  .rl-stat strong{font-size:28px}
  .rl-btn{height:42px;font-size:14px;padding:0 18px}
  .rl-chip{font-size:12px}
}

/* roulang page: article */
:root{
  --rl-primary:#0F6B5F;
  --rl-primary-dark:#0A4F46;
  --rl-primary-soft:#E4F1EE;
  --rl-primary-faint:#F1F7F5;
  --rl-accent:#E8912E;
  --rl-accent-hover:#C97A1E;
  --rl-accent-soft:#FDF1DF;
  --rl-danger:#C2452D;
  --rl-bg:#F7F4EE;
  --rl-bg-alt:#EFF3F0;
  --rl-card:#FFFFFF;
  --rl-dark:#10302B;
  --rl-dark-text:#F2F6F3;
  --rl-text:#1B2321;
  --rl-text-2:#4E5A56;
  --rl-text-3:#7C8A85;
  --rl-border:#E2E6E1;
  --rl-line:#EDF0EC;
  --rl-shadow-1:0 2px 8px rgba(15,43,38,.05);
  --rl-shadow-2:0 12px 28px rgba(15,43,38,.08);
  --rl-shadow-3:0 20px 44px rgba(15,43,38,.12);
  --rl-r-card:16px;
  --rl-r-btn:10px;
  --rl-r-img:14px;
  --rl-r-pill:999px;
  --rl-ease:cubic-bezier(.2,.7,.3,1);
  --rl-font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --rl-font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--rl-bg);color:var(--rl-text);
  font-family:var(--rl-font-body);font-size:17px;line-height:1.9;
  -webkit-font-smoothing:antialiased;word-break:break-word;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--rl-primary);text-decoration:none;transition:color .18s var(--rl-ease)}
a:hover{color:var(--rl-primary-dark)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-family:var(--rl-font-title);color:var(--rl-text);line-height:1.3;letter-spacing:.5px;font-weight:700}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:3px;border-radius:4px}

/* ---------- 容器 ---------- */
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.rl-wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.rl-header{
  position:sticky;top:0;z-index:1030;background:var(--rl-bg);
  border-bottom:1px solid transparent;transition:background .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease);
}
.rl-header.is-scrolled{
  background:rgba(247,244,238,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--rl-border);box-shadow:var(--rl-shadow-1);
}
.rl-nav{display:flex;align-items:center;gap:22px;height:68px;transition:height .18s var(--rl-ease)}
.rl-header.is-scrolled .rl-nav{height:60px}
.rl-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.rl-logo-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  background:
    linear-gradient(135deg,var(--rl-primary) 0%,var(--rl-primary-dark) 100%);
  position:relative;box-shadow:var(--rl-shadow-1);
}
.rl-logo-mark::before{
  content:"";position:absolute;inset:7px;border-radius:3px;
  background-image:
    linear-gradient(var(--rl-accent),var(--rl-accent)),
    linear-gradient(rgba(255,255,255,.85),rgba(255,255,255,.85)),
    linear-gradient(rgba(255,255,255,.55),rgba(255,255,255,.55)),
    linear-gradient(rgba(255,255,255,.85),rgba(255,255,255,.85));
  background-size:6px 6px,6px 6px,6px 6px,6px 6px;
  background-position:0 0,9px 0,0 9px,9px 9px;
  background-repeat:no-repeat;
}
.rl-logo-text{font-family:var(--rl-font-title);font-size:18px;font-weight:700;color:var(--rl-primary-dark);letter-spacing:.6px;white-space:nowrap}
.rl-nav-list{display:flex;align-items:center;gap:26px;margin:0 auto 0 8px}
.rl-nav-link{
  position:relative;display:inline-block;padding:6px 2px;font-size:15px;color:var(--rl-text-2);font-weight:500;white-space:nowrap;
}
.rl-nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--rl-primary);transform:scaleX(0);transform-origin:left center;transition:transform .16s var(--rl-ease);
}
.rl-nav-link:hover{color:var(--rl-text)}
.rl-nav-link:hover::after{transform:scaleX(1)}
.rl-nav-link.is-active{color:var(--rl-text);font-weight:700}
.rl-nav-link.is-active::after{transform:scaleX(1)}
.rl-nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.rl-search{position:relative;width:240px;transition:width .2s var(--rl-ease)}
.rl-search.is-open{width:320px}
.rl-search-ico{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--rl-text-3);pointer-events:none}
.rl-search input{
  width:100%;height:40px;border-radius:var(--rl-r-btn);border:1px solid var(--rl-border);background:var(--rl-bg-alt);
  padding:0 66px 0 35px;font-size:14px;color:var(--rl-text);transition:border-color .16s var(--rl-ease),box-shadow .16s var(--rl-ease);
}
.rl-search input::placeholder{color:var(--rl-text-3)}
.rl-search input:focus{outline:none;border-color:var(--rl-primary);box-shadow:0 0 0 3px rgba(15,107,95,.12);background:#fff}
.rl-kbd{
  position:absolute;right:9px;top:50%;transform:translateY(-50%);
  font-size:11px;line-height:1;padding:4px 6px;border-radius:5px;border:1px solid var(--rl-border);
  background:#fff;color:var(--rl-text-3);font-family:var(--rl-font-body);
}
.rl-search-panel{
  position:absolute;top:calc(100% + 10px);right:0;width:480px;max-width:86vw;background:#fff;border:1px solid var(--rl-border);
  border-radius:14px;box-shadow:var(--rl-shadow-3);padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s var(--rl-ease),transform .18s var(--rl-ease),visibility .18s;z-index:40;
}
.rl-search.is-open .rl-search-panel{opacity:1;visibility:visible;transform:translateY(0)}
.rl-search-group{font-size:12px;color:var(--rl-text-3);padding:10px 12px 4px;letter-spacing:.5px}
.rl-search-item{
  display:flex;align-items:center;gap:10px;height:42px;padding:0 12px;border-radius:10px;font-size:14px;color:var(--rl-text-2);
}
.rl-search-item i{color:var(--rl-primary);width:16px;text-align:center}
.rl-search-item:hover{background:var(--rl-bg-alt);color:var(--rl-text)}
.rl-search-tag{margin-left:auto;font-size:12px;color:var(--rl-primary);background:var(--rl-primary-soft);border-radius:var(--rl-r-pill);padding:2px 9px}
.rl-icon-btn{
  width:40px;height:40px;border-radius:var(--rl-r-btn);display:inline-flex;align-items:center;justify-content:center;
  color:var(--rl-text-2);border:1px solid transparent;transition:background .16s var(--rl-ease),color .16s var(--rl-ease);
}
.rl-icon-btn:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark)}
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--rl-r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .18s var(--rl-ease),color .18s var(--rl-ease),transform .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease);
}
.rl-btn--primary{background:var(--rl-accent);color:#fff;border-color:var(--rl-accent)}
.rl-btn--primary:hover{background:var(--rl-accent-hover);border-color:var(--rl-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--rl-shadow-2)}
.rl-btn--primary:active{transform:translateY(0)}
.rl-btn--ghost{background:transparent;color:var(--rl-primary);border-color:var(--rl-primary)}
.rl-btn--ghost:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark)}
.rl-btn--sm{height:40px;padding:0 18px;font-size:14px}
.rl-btn--block{width:100%}
.rl-burger{
  display:none;width:40px;height:40px;border:1px solid var(--rl-border);background:#fff;border-radius:var(--rl-r-btn);
  cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.rl-burger span{display:block;width:18px;height:2px;background:var(--rl-text-2);border-radius:2px}

/* ---------- 移动抽屉 ---------- */
.rl-drawer-mask{position:fixed;inset:0;background:rgba(16,48,43,.45);opacity:0;visibility:hidden;transition:.2s var(--rl-ease);z-index:1050}
.rl-drawer-mask.is-open{opacity:1;visibility:visible}
.rl-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:88vw;background:#fff;z-index:1060;
  transform:translateX(102%);transition:transform .24s var(--rl-ease);padding:20px 18px;overflow-y:auto;
}
.rl-drawer.is-open{transform:translateX(0)}
.rl-drawer h3{font-size:16px;margin-bottom:14px}
.rl-drawer input{
  width:100%;height:44px;border-radius:var(--rl-r-btn);border:1px solid var(--rl-border);background:var(--rl-bg-alt);
  padding:0 14px;font-size:14px;margin-bottom:18px;
}
.rl-drawer input:focus{outline:none;border-color:var(--rl-primary);box-shadow:0 0 0 3px rgba(15,107,95,.12);background:#fff}
.rl-drawer nav a{
  display:block;padding:12px 14px;border-left:2px solid transparent;border-radius:8px;font-size:15px;color:var(--rl-text-2);
}
.rl-drawer nav a:hover{background:var(--rl-bg-alt);color:var(--rl-text)}
.rl-drawer nav a.is-active{border-left-color:var(--rl-primary);background:var(--rl-primary-soft);color:var(--rl-primary-dark);font-weight:700}
.rl-drawer .rl-btn{margin-top:18px}

/* ---------- 面包屑 ---------- */
.rl-crumb{display:flex;align-items:center;gap:8px;height:44px;font-size:14px;color:var(--rl-text-2);flex-wrap:wrap;margin-top:8px}
.rl-crumb a{color:var(--rl-text-2)}
.rl-crumb a:hover{color:var(--rl-primary)}
.rl-crumb .sep{font-size:12px;color:var(--rl-text-3)}
.rl-crumb .cur{color:var(--rl-text-3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.rl-article-head{padding:8px 0 26px;border-bottom:1px solid var(--rl-line)}
.rl-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--rl-r-pill);font-size:12px;font-weight:600;letter-spacing:.4px;
}
.rl-badge--primary{background:var(--rl-primary-soft);color:var(--rl-primary)}
.rl-badge--accent{background:var(--rl-accent-soft);color:var(--rl-accent-hover)}
.rl-badge--danger{background:#FBEDE9;color:var(--rl-danger)}
.rl-article-head h1{font-size:32px;line-height:1.35;margin:16px 0 18px;letter-spacing:.8px}
.rl-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--rl-text-3)}
.rl-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--rl-border)}
.rl-share{margin-left:auto;display:flex;gap:8px}
.rl-share a{
  width:32px;height:32px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--rl-text-2);background:var(--rl-bg-alt);font-size:13px;
}
.rl-share a:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark)}

/* ---------- 封面 ---------- */
.rl-cover{margin:28px 0 8px;border-radius:var(--rl-r-card);overflow:hidden;box-shadow:var(--rl-shadow-2);background:var(--rl-bg-alt)}
.rl-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rl-cover figcaption{font-size:13px;color:var(--rl-text-3);text-align:center;padding:10px 0 0}

/* ---------- 正文区布局 ---------- */
.rl-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;padding:40px 0 72px}
.rl-aside{display:none}
.rl-prose{max-width:760px;font-size:17px;line-height:1.9;color:var(--rl-text-2)}
.rl-prose h2{
  position:relative;font-size:24px;line-height:1.4;color:var(--rl-text);margin:48px 0 16px;padding-left:14px;
}
.rl-prose h2::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;border-radius:4px;background:var(--rl-primary)}
.rl-prose h3{font-size:19px;color:var(--rl-text);margin:32px 0 12px}
.rl-prose h4{font-size:17px;color:var(--rl-text);margin:24px 0 10px}
.rl-prose p{margin:0 0 1.2em}
.rl-prose ul,.rl-prose ol{margin:0 0 1.2em;padding-left:2px}
.rl-prose ul li{position:relative;padding-left:18px;margin-bottom:8px;line-height:1.8}
.rl-prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--rl-primary-soft);border:1.5px solid var(--rl-primary)}
.rl-prose ol{counter-reset:rlol;list-style:none}
.rl-prose ol li{position:relative;padding-left:30px;margin-bottom:8px}
.rl-prose ol li::before{
  counter-increment:rlol;content:counter(rlol);position:absolute;left:0;top:.35em;width:20px;height:20px;border-radius:6px;
  background:var(--rl-primary-soft);color:var(--rl-primary);font-size:12px;text-align:center;line-height:20px;font-weight:700;
}
.rl-prose blockquote{
  margin:24px 0;border-left:3px solid var(--rl-accent);background:var(--rl-accent-soft);
  border-radius:0 12px 12px 0;padding:20px 24px;font-size:16px;color:var(--rl-text-2);
}
.rl-prose blockquote p:last-child{margin-bottom:0}
.rl-prose img{border-radius:12px;margin:20px auto;box-shadow:var(--rl-shadow-1)}
.rl-prose figure{margin:24px 0}
.rl-prose figcaption{font-size:13px;color:var(--rl-text-3);text-align:center;margin-top:10px}
.rl-prose a{color:var(--rl-primary);text-decoration:underline;text-underline-offset:3px}
.rl-prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.rl-prose .table-scroll,.rl-prose figure.table{overflow-x:auto}
.rl-prose th,.rl-prose td{border:none;border-bottom:1px solid var(--rl-line);padding:12px 14px;text-align:left}
.rl-prose thead th{background:var(--rl-primary-soft);color:var(--rl-primary-dark);font-weight:600;border-bottom:1px solid var(--rl-primary-soft)}
.rl-prose tbody tr:nth-child(even){background:var(--rl-bg)}
.rl-prose code{
  background:var(--rl-bg);border:1px solid var(--rl-border);border-radius:6px;padding:1px 6px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;color:var(--rl-primary-dark);
}
.rl-prose pre{
  background:var(--rl-bg);border:1px solid var(--rl-border);border-radius:10px;padding:18px 20px;overflow-x:auto;margin:22px 0;
}
.rl-prose pre code{background:none;border:none;padding:0}

/* ---------- 侧栏 ---------- */
.rl-toc{position:sticky;top:100px}
.rl-toc-card{background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-r-card);padding:18px 16px;box-shadow:var(--rl-shadow-1)}
.rl-toc-title{font-size:13px;color:var(--rl-text-3);letter-spacing:1px;margin-bottom:10px}
.rl-toc a{display:block;min-height:36px;line-height:1.5;padding:7px 10px 7px 12px;border-left:3px solid transparent;font-size:14px;color:var(--rl-text-3);border-radius:0 8px 8px 0}
.rl-toc a:hover{color:var(--rl-text);background:var(--rl-bg-alt)}
.rl-toc a.is-active{border-left-color:var(--rl-primary);color:var(--rl-text);background:var(--rl-primary-faint);font-weight:600}
.rl-hot{margin-top:18px;background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-r-card);padding:18px 16px;box-shadow:var(--rl-shadow-1)}
.rl-hot ul li{border-bottom:1px dashed var(--rl-line);padding:10px 0}
.rl-hot ul li:last-child{border-bottom:none}
.rl-hot a{font-size:14px;color:var(--rl-text-2);line-height:1.6;display:block}
.rl-hot a:hover{color:var(--rl-primary)}

/* ---------- 空态 ---------- */
.rl-empty{text-align:center;padding:56px 20px;background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-r-card);box-shadow:var(--rl-shadow-1)}
.rl-empty i{font-size:48px;color:var(--rl-border)}
.rl-empty h2{font-size:20px;margin:16px 0 8px}
.rl-empty p{font-size:14px;color:var(--rl-text-3);margin-bottom:20px}

/* ---------- 文末 ---------- */
.rl-tags{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;padding-top:26px;border-top:1px solid var(--rl-line)}
.rl-tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--rl-r-pill);background:var(--rl-bg-alt);color:var(--rl-text-2);font-size:13px}
.rl-tag:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark)}
.rl-navcards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px}
.rl-navcard{
  display:block;background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-r-card);padding:18px 20px;min-height:76px;
  box-shadow:var(--rl-shadow-1);transition:border-color .18s var(--rl-ease),box-shadow .18s var(--rl-ease),transform .18s var(--rl-ease);
}
.rl-navcard:hover{border-color:var(--rl-primary-soft);box-shadow:var(--rl-shadow-2);transform:translateY(-2px)}
.rl-navcard small{display:block;font-size:12px;color:var(--rl-text-3);margin-bottom:6px}
.rl-navcard strong{display:block;font-size:16px;color:var(--rl-text);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rl-navcard.is-next{text-align:right}

.rl-section{padding:72px 0}
.rl-section--alt{background:var(--rl-bg-alt)}
.rl-section-head{margin-bottom:32px;max-width:680px}
.rl-section-head h2{font-size:28px;margin-bottom:10px}
.rl-section-head p{font-size:16px;color:var(--rl-text-2);margin:0}
.rl-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rl-card{
  background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-r-card);overflow:hidden;
  box-shadow:var(--rl-shadow-1);transition:transform .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease);
  display:flex;flex-direction:column;
}
.rl-card:hover{transform:translateY(-3px);box-shadow:var(--rl-shadow-2);border-color:rgba(15,107,95,.28)}
.rl-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rl-card-body{padding:20px 20px 22px;flex:1;display:flex;flex-direction:column}
.rl-card-body h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.rl-card-body p{font-size:14px;color:var(--rl-text-2);margin-bottom:14px}
.rl-card-meta{margin-top:auto;font-size:13px;color:var(--rl-text-3);display:flex;align-items:center;gap:10px}

/* ---------- FAQ ---------- */
.rl-faq{max-width:820px;margin:0 auto}
.rl-faq-item{background:#fff;border:1px solid var(--rl-border);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:background .18s var(--rl-ease),border-color .18s var(--rl-ease)}
.rl-faq-q{
  width:100%;display:flex;align-items:center;gap:14px;background:none;border:none;text-align:left;padding:18px 20px;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--rl-text);line-height:1.5;
}
.rl-faq-ico{
  width:24px;height:24px;border-radius:7px;background:var(--rl-primary-soft);color:var(--rl-primary);font-size:12px;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.rl-faq-sign{
  margin-left:auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--rl-border);flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:var(--rl-text-2);transition:.18s var(--rl-ease);
}
.rl-faq-item.is-open{background:var(--rl-primary-soft);border-color:var(--rl-primary-soft)}
.rl-faq-item.is-open .rl-faq-sign{background:var(--rl-primary);border-color:var(--rl-primary);color:#fff}
.rl-faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--rl-ease)}
.rl-faq-a-inner{padding:0 20px 20px 58px;font-size:15px;line-height:1.9;color:var(--rl-text-2)}

/* ---------- CTA ---------- */
.rl-cta-wrap{padding:8px 0 80px}
.rl-cta{
  border-radius:20px;padding:56px 48px;color:var(--rl-dark-text);
  background:linear-gradient(135deg,var(--rl-primary) 0%,var(--rl-primary-dark) 100%);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:var(--rl-shadow-3);
}
.rl-cta h2{color:#fff;font-size:30px;margin-bottom:12px}
.rl-cta p{color:rgba(255,255,255,.72);font-size:16px;margin:0;max-width:560px}
.rl-cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.rl-cta-link{color:#fff;font-size:15px;text-decoration:underline;text-underline-offset:3px}
.rl-cta-link:hover{color:#fff;opacity:.85}

/* ---------- 页脚 ---------- */
.rl-footer{background:var(--rl-bg);border-top:1px solid var(--rl-border);padding:64px 0 0}
.rl-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.rl-footer-brand p{font-size:14px;color:var(--rl-text-2);margin:16px 0;max-width:360px;line-height:1.8}
.rl-footer-brand ul li{font-size:14px;color:var(--rl-text-2);margin-bottom:8px;display:flex;gap:8px;align-items:center}
.rl-footer-brand ul li i{color:var(--rl-primary)}
.rl-qr{
  width:92px;height:92px;border-radius:12px;border:1px dashed var(--rl-border);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--rl-text-3);font-size:12px;text-align:center;margin-top:16px;
}
.rl-footer-col h4{font-size:15px;margin-bottom:16px}
.rl-footer-col a{display:block;font-size:14px;color:var(--rl-text-2);line-height:2}
.rl-footer-col a:hover{color:var(--rl-primary)}
.rl-footer-bottom{
  margin-top:48px;border-top:1px solid var(--rl-line);padding:20px 0 28px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:12px;color:var(--rl-text-3);
}
.rl-footer-bottom .links{margin-left:auto;display:flex;gap:18px;flex-wrap:wrap}
.rl-footer-bottom a{color:var(--rl-text-3)}
.rl-footer-bottom a:hover{color:var(--rl-primary)}

/* ---------- 返回顶部 ---------- */
.rl-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:12px;background:var(--rl-primary);color:#fff;border:none;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.2s var(--rl-ease);z-index:900;box-shadow:var(--rl-shadow-2);
}
.rl-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.rl-top:hover{background:var(--rl-primary-dark)}

/* ---------- 响应式 ---------- */
@media (max-width:1400px){
  .rl-container{max-width:1200px}
}
@media (max-width:1199px){
  .rl-layout{grid-template-columns:minmax(0,1fr)}
  .rl-prose{max-width:820px;margin:0 auto}
  .rl-toc,.rl-hot{display:none}
  .rl-aside{display:none!important}
}
@media (max-width:991px){
  .rl-nav-list{display:none}
  .rl-nav-right .rl-search{display:none}
  .rl-burger{display:inline-flex}
  .rl-nav-right{gap:8px}
  .rl-header .rl-btn--primary{display:none}
  .rl-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .rl-container{padding:0 18px}
  .rl-article-head h1{font-size:26px}
  .rl-prose h2{font-size:21px;margin-top:38px}
  .rl-section{padding:48px 0}
  .rl-section-head h2{font-size:23px}
  .rl-cta{padding:36px 24px}
  .rl-cta h2{font-size:24px}
  .rl-cta-actions{width:100%}
  .rl-cta-actions .rl-btn{width:100%}
  .rl-navcards{grid-template-columns:1fr}
  .rl-navcard.is-next{text-align:left}
  .rl-faq-q{font-size:16px;padding:16px}
  .rl-faq-a-inner{padding:0 16px 18px 54px}
  .rl-logo-text{font-size:16px}
}
@media (max-width:575px){
  .rl-cards{grid-template-columns:1fr}
  .rl-footer-grid{grid-template-columns:1fr}
  .rl-meta{gap:10px}
  .rl-share{margin-left:0;width:100%}
  .rl-top{right:16px;bottom:20px}
}

/* roulang page: category2 */
:root{
  --rl-primary:#0F6B5F;
  --rl-primary-dark:#0A4F46;
  --rl-primary-soft:#E4F1EE;
  --rl-primary-xsoft:#F1F7F5;
  --rl-accent:#E8912E;
  --rl-accent-hover:#C97A1E;
  --rl-accent-soft:#FDF1DF;
  --rl-danger:#C2452D;
  --rl-bg:#F7F4EE;
  --rl-section:#EFF3F0;
  --rl-card:#FFFFFF;
  --rl-dark:#10302B;
  --rl-dark-text:#F2F6F3;
  --rl-text:#1B2321;
  --rl-text-2:#4E5A56;
  --rl-text-3:#7C8A85;
  --rl-border:#E2E6E1;
  --rl-divider:#EDF0EC;
  --rl-shadow-1:0 2px 8px rgba(15,43,38,.05);
  --rl-shadow-2:0 12px 28px rgba(15,43,38,.08);
  --rl-shadow-3:0 20px 44px rgba(15,43,38,.12);
  --rl-r-card:16px;
  --rl-r-btn:10px;
  --rl-r-img:14px;
  --rl-r-lg:20px;
  --rl-r-pill:999px;
  --rl-ease:cubic-bezier(.2,.7,.3,1);
  --rl-font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --rl-font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--rl-bg);
  color:var(--rl-text);
  font-family:var(--rl-font-body);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  word-break:break-word;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--rl-primary);text-decoration:none;transition:color .18s var(--rl-ease);}
a:hover{color:var(--rl-primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--rl-font-title);color:var(--rl-text);margin:0;line-height:1.32;letter-spacing:.5px;font-weight:700;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:2px;}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--rl-r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:all .18s var(--rl-ease);white-space:nowrap;
}
.rl-btn--primary{background:var(--rl-accent);color:#fff;border-color:var(--rl-accent);}
.rl-btn--primary:hover{background:var(--rl-accent-hover);border-color:var(--rl-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--rl-shadow-2);}
.rl-btn--primary:active{transform:translateY(0);box-shadow:none;}
.rl-btn--ghost{background:transparent;color:var(--rl-primary);border-color:var(--rl-primary);}
.rl-btn--ghost:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);}
.rl-btn--light{background:#fff;color:var(--rl-primary-dark);border-color:#fff;}
.rl-btn--light:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);}
.rl-btn--sm{height:40px;padding:0 18px;font-size:14px;}
.rl-btn--lg{height:48px;padding:0 26px;}
.rl-btn[disabled]{opacity:.45;pointer-events:none;}
.rl-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--rl-primary);}
.rl-link-arrow i{transition:transform .18s var(--rl-ease);font-size:13px;}
.rl-link-arrow:hover i{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.rl-badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--rl-r-pill);font-size:12px;font-weight:600;line-height:1;}
.rl-badge--primary{background:var(--rl-primary-soft);color:var(--rl-primary-dark);}
.rl-badge--accent{background:var(--rl-accent-soft);color:#8A5410;}
.rl-badge--danger{background:#FBE7E3;color:var(--rl-danger);}
.rl-tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--rl-r-pill);background:var(--rl-section);color:var(--rl-text-2);font-size:13px;transition:all .18s var(--rl-ease);}
.rl-tag:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);}

/* ---------- 顶部导航 ---------- */
.rl-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,244,238,0);
  transition:background .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease);
  border-bottom:1px solid transparent;
}
.rl-header.is-scrolled{
  background:rgba(247,244,238,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--rl-border);
  box-shadow:0 4px 18px rgba(15,43,38,.06);
}
.rl-nav{display:flex;align-items:center;gap:24px;height:68px;transition:height .18s var(--rl-ease);}
.rl-header.is-scrolled .rl-nav{height:60px;}
.rl-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.rl-logo-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 32px;
  background:
    linear-gradient(var(--rl-primary),var(--rl-primary)) center/100% 100% no-repeat;
  position:relative;overflow:hidden;
}
.rl-logo-mark::before{
  content:"";position:absolute;inset:7px;
  background:
    linear-gradient(#fff,#fff) 0 0/6px 6px no-repeat,
    linear-gradient(#fff,#fff) 12px 0/6px 6px no-repeat,
    linear-gradient(#fff,#fff) 0 12px/6px 6px no-repeat,
    linear-gradient(var(--rl-accent),var(--rl-accent)) 12px 12px/6px 6px no-repeat;
  border-radius:2px;opacity:.95;
}
.rl-logo-text{font-family:var(--rl-font-title);font-size:18px;font-weight:700;color:var(--rl-primary-dark);letter-spacing:.5px;}
.rl-nav-list{display:flex;align-items:center;gap:4px;margin:0;padding:0;list-style:none;flex:1 1 auto;}
.rl-nav-link{
  position:relative;display:inline-block;padding:10px 14px;font-size:15px;color:var(--rl-text-2);
  border-radius:8px;transition:color .16s var(--rl-ease);
}
.rl-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--rl-primary);transform:scaleX(0);transform-origin:center;
  transition:transform .16s var(--rl-ease);
}
.rl-nav-link:hover{color:var(--rl-text);}
.rl-nav-link:hover::after{transform:scaleX(1);}
.rl-nav-link.is-active{color:var(--rl-primary-dark);font-weight:700;}
.rl-nav-link.is-active::after{transform:scaleX(1);}
.rl-nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

/* 搜索 */
.rl-search{position:relative;display:flex;align-items:center;width:240px;height:40px;background:var(--rl-section);border:1px solid var(--rl-border);border-radius:var(--rl-r-btn);padding:0 10px;transition:width .2s var(--rl-ease),border-color .18s var(--rl-ease),box-shadow .18s var(--rl-ease);}
.rl-search:focus-within{width:320px;border-color:var(--rl-primary);box-shadow:0 0 0 3px rgba(15,107,95,.12);}
.rl-search-ico{color:var(--rl-text-3);font-size:14px;margin-right:8px;}
.rl-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;font-size:14px;color:var(--rl-text);outline:none;}
.rl-search input::placeholder{color:var(--rl-text-3);}
.rl-kbd{font-size:11px;color:var(--rl-text-3);background:#fff;border:1px solid var(--rl-border);border-radius:5px;padding:1px 6px;line-height:1.5;}
.rl-search-panel{
  position:absolute;top:calc(100% + 10px);right:0;width:480px;max-width:88vw;
  background:#fff;border:1px solid var(--rl-border);border-radius:14px;box-shadow:var(--rl-shadow-3);
  padding:10px;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:all .18s var(--rl-ease);z-index:20;
}
.rl-search.is-open .rl-search-panel{opacity:1;visibility:visible;transform:translateY(0);}
.rl-search-group{font-size:12px;color:var(--rl-text-3);padding:8px 10px 4px;letter-spacing:.5px;}
.rl-search-item{display:flex;align-items:center;gap:10px;height:42px;padding:0 10px;border-radius:10px;font-size:14px;color:var(--rl-text-2);}
.rl-search-item:hover{background:var(--rl-section);color:var(--rl-text);}
.rl-search-item i{width:16px;color:var(--rl-primary);font-size:13px;}
.rl-search-tag{margin-left:auto;font-size:12px;color:var(--rl-text-3);}
.rl-icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--rl-r-btn);color:var(--rl-text-2);transition:all .18s var(--rl-ease);
}
.rl-icon-btn:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);}
.rl-burger{display:none;width:40px;height:40px;border:1px solid var(--rl-border);background:#fff;border-radius:var(--rl-r-btn);flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;padding:0;}
.rl-burger span{display:block;width:18px;height:2px;background:var(--rl-text);border-radius:2px;transition:all .18s var(--rl-ease);}

/* 移动抽屉 */
.rl-mask{position:fixed;inset:0;background:rgba(16,48,43,.45);opacity:0;visibility:hidden;transition:all .2s var(--rl-ease);z-index:1040;}
.rl-mask.is-open{opacity:1;visibility:visible;}
.rl-drawer{
  position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100%;
  background:#fff;z-index:1050;padding:22px;overflow-y:auto;
  transform:translateX(100%);transition:transform .22s var(--rl-ease);
  display:flex;flex-direction:column;gap:18px;
}
.rl-drawer.is-open{transform:translateX(0);}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--rl-divider);}
.rl-drawer-close{width:36px;height:36px;border:1px solid var(--rl-border);background:#fff;border-radius:10px;color:var(--rl-text-2);cursor:pointer;}
.rl-drawer-search{display:flex;align-items:center;height:44px;background:var(--rl-section);border:1px solid var(--rl-border);border-radius:var(--rl-r-btn);padding:0 12px;}
.rl-drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;}
.rl-drawer-nav{display:flex;flex-direction:column;}
.rl-drawer-nav a{display:block;padding:12px 14px;border-left:2px solid transparent;border-radius:8px;font-size:15px;color:var(--rl-text-2);}
.rl-drawer-nav a:hover{background:var(--rl-section);}
.rl-drawer-nav a.is-active{border-left-color:var(--rl-primary);background:var(--rl-primary-soft);color:var(--rl-primary-dark);font-weight:700;}

/* ---------- 面包屑 ---------- */
.rl-crumb{display:flex;align-items:center;gap:8px;height:44px;font-size:14px;color:var(--rl-text-2);flex-wrap:wrap;}
.rl-crumb .sep{color:var(--rl-text-3);font-size:12px;}
.rl-crumb .current{color:var(--rl-text-3);}

/* ---------- 分类头 ---------- */
.rl-cat-hero{padding:24px 0 72px;position:relative;}
.rl-cat-hero::before{
  content:"";position:absolute;top:-120px;right:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,107,95,.10),rgba(15,107,95,0) 68%);
  pointer-events:none;
}
.rl-cat-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center;position:relative;}
.rl-cat-hero h1{font-size:40px;line-height:1.28;margin:16px 0 18px;}
.rl-cat-hero .rl-lead{font-size:16px;color:var(--rl-text-2);line-height:1.9;max-width:600px;}
.rl-cat-hero .rl-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;}
.rl-hero-media{position:relative;}
.rl-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;box-shadow:var(--rl-shadow-2);}
.rl-hero-card{
  position:absolute;left:-24px;bottom:-22px;width:210px;background:#fff;border:1px solid var(--rl-border);
  border-radius:14px;padding:16px 18px;box-shadow:var(--rl-shadow-3);
}
.rl-hero-card strong{display:block;font-family:var(--rl-font-title);font-size:24px;color:var(--rl-primary-dark);line-height:1.3;font-variant-numeric:tabular-nums;}
.rl-hero-card span{display:block;font-size:13px;color:var(--rl-text-3);margin-top:2px;}

/* ---------- 数据条 ---------- */
.rl-band{background:var(--rl-section);border-top:1px solid var(--rl-border);border-bottom:1px solid var(--rl-border);padding:32px 0;}
.rl-band-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.rl-band-item{padding-left:18px;border-left:2px solid var(--rl-primary);}
.rl-band-item b{display:block;font-family:var(--rl-font-title);font-size:26px;color:var(--rl-primary-dark);line-height:1.25;font-variant-numeric:tabular-nums;}
.rl-band-item span{font-size:13px;color:var(--rl-text-2);}

/* ---------- 步骤区 ---------- */
.rl-steps-section{padding:88px 0 72px;}
.rl-section-head{max-width:720px;margin-bottom:44px;}
.rl-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1px;color:var(--rl-primary);font-weight:600;margin-bottom:12px;}
.rl-eyebrow::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--rl-primary);}
.rl-section-head h2{font-size:32px;margin-bottom:14px;}
.rl-section-head p{font-size:16px;color:var(--rl-text-2);}

.rl-steps-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start;}
.rl-anchor{position:sticky;top:100px;background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-r-card);padding:12px;box-shadow:var(--rl-shadow-1);}
.rl-anchor-title{font-size:13px;color:var(--rl-text-3);padding:6px 12px 10px;letter-spacing:.6px;}
.rl-anchor a{display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border-radius:10px;font-size:14px;color:var(--rl-text-2);}
.rl-anchor a .num{font-size:12px;color:var(--rl-text-3);font-variant-numeric:tabular-nums;}
.rl-anchor a:hover{background:var(--rl-section);color:var(--rl-text);}
.rl-anchor a.is-current{background:var(--rl-primary-soft);color:var(--rl-primary-dark);font-weight:700;}
.rl-anchor a.is-current .num{color:var(--rl-primary);}

.rl-step{
  background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-r-card);
  padding:32px;margin-bottom:24px;box-shadow:var(--rl-shadow-1);
  transition:box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease);
  scroll-margin-top:100px;
}
.rl-step:hover{box-shadow:var(--rl-shadow-2);border-color:rgba(15,107,95,.22);}
.rl-step-head{display:flex;gap:18px;align-items:flex-start;margin-bottom:16px;}
.rl-step-num{
  flex:0 0 48px;width:48px;height:48px;border-radius:50%;background:var(--rl-primary-xsoft);
  color:var(--rl-primary);font-family:var(--rl-font-title);font-size:20px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.rl-step-head h3{font-size:22px;margin-bottom:4px;}
.rl-step-head .rl-step-sub{font-size:13px;color:var(--rl-text-3);}
.rl-step-body p{font-size:16px;color:var(--rl-text-2);}
.rl-step-media{margin-top:20px;}
.rl-step-media img{width:100%;border-radius:var(--rl-r-img);aspect-ratio:16/9;object-fit:cover;}
.rl-split{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:28px;align-items:center;margin-top:18px;}
.rl-split.is-reverse{grid-template-columns:minmax(0,5fr) minmax(0,7fr);}
.rl-split.is-reverse .rl-split-media{order:2;}
.rl-split-media img{width:100%;border-radius:var(--rl-r-img);aspect-ratio:16/10;object-fit:cover;}
.rl-points{margin-top:14px;}
.rl-points li{position:relative;padding-left:18px;font-size:15px;color:var(--rl-text-2);line-height:1.8;margin-bottom:6px;}
.rl-points li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--rl-primary);}

/* ---------- 提示卡 ---------- */
.rl-notice-section{padding:72px 0;background:var(--rl-section);}
.rl-notice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rl-notice{background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-r-card);padding:26px;box-shadow:var(--rl-shadow-1);transition:all .18s var(--rl-ease);}
.rl-notice:hover{transform:translateY(-3px);box-shadow:var(--rl-shadow-2);border-color:rgba(15,107,95,.28);}
.rl-notice i{font-size:20px;color:var(--rl-primary);background:var(--rl-primary-soft);width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.rl-notice h3{font-size:18px;margin-bottom:10px;}
.rl-notice p{font-size:15px;color:var(--rl-text-2);}

/* ---------- FAQ ---------- */
.rl-faq-section{padding:88px 0;}
.rl-faq-wrap{max-width:820px;margin:0 auto;}
.rl-faq{border:1px solid var(--rl-border);border-radius:12px;background:#fff;margin-bottom:14px;overflow:hidden;transition:all .18s var(--rl-ease);}
.rl-faq.is-open{background:var(--rl-primary-soft);border-color:rgba(15,107,95,.25);}
.rl-faq-q{
  width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;background:transparent;border:0;
  text-align:left;cursor:pointer;font-size:17px;font-weight:600;color:var(--rl-text);line-height:1.6;
}
.rl-faq-ico{flex:0 0 24px;width:24px;height:24px;border-radius:8px;background:var(--rl-primary-soft);color:var(--rl-primary);display:flex;align-items:center;justify-content:center;font-size:12px;}
.rl-faq.is-open .rl-faq-ico{background:#fff;}
.rl-faq-toggle{margin-left:auto;flex:0 0 28px;width:28px;height:28px;border-radius:50%;border:1px solid var(--rl-border);background:#fff;color:var(--rl-primary);display:flex;align-items:center;justify-content:center;font-size:12px;transition:all .18s var(--rl-ease);}
.rl-faq.is-open .rl-faq-toggle{background:var(--rl-primary);border-color:var(--rl-primary);color:#fff;}
.rl-faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--rl-ease);}
.rl-faq-a p{padding:0 20px 20px 58px;font-size:15px;color:var(--rl-text-2);}

/* ---------- 底部转化 ---------- */
.rl-cta-section{padding:0 0 88px;}
.rl-cta{
  background:linear-gradient(135deg,#0F6B5F,#0A4F46);
  border-radius:var(--rl-r-lg);padding:56px 48px;position:relative;overflow:hidden;
}
.rl-cta::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,145,46,.28),rgba(232,145,46,0) 70%);
}
.rl-cta h2{color:#fff;font-size:30px;margin-bottom:14px;position:relative;}
.rl-cta p{color:rgba(255,255,255,.78);font-size:16px;max-width:620px;margin-bottom:26px;position:relative;}
.rl-cta-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;position:relative;}
.rl-cta-link{color:#fff;text-decoration:underline;text-underline-offset:4px;font-size:15px;}
.rl-cta-link:hover{color:#fff;opacity:.85;}

/* ---------- 页脚 ---------- */
.rl-footer{background:var(--rl-bg);border-top:1px solid var(--rl-border);padding:64px 0 0;}
.rl-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;}
.rl-footer-brand .rl-logo{margin-bottom:16px;}
.rl-footer-brand p{font-size:14px;color:var(--rl-text-2);max-width:320px;}
.rl-footer-contact{margin-top:16px;font-size:14px;color:var(--rl-text-2);}
.rl-footer-contact i{color:var(--rl-primary);width:18px;}
.rl-footer h4{font-size:15px;font-weight:600;color:var(--rl-text);margin-bottom:16px;font-family:var(--rl-font-body);letter-spacing:.4px;}
.rl-footer-links li{margin-bottom:10px;}
.rl-footer-links a{font-size:14px;color:var(--rl-text-2);line-height:2;}
.rl-footer-links a:hover{color:var(--rl-primary);}
.rl-footer-bottom{margin-top:48px;border-top:1px solid var(--rl-divider);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--rl-text-3);}

/* ---------- 移动端底部条 ---------- */
.rl-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1020;
  display:none;gap:10px;padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  background:rgba(247,244,238,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid var(--rl-border);transform:translateY(100%);opacity:0;
  transition:all .18s var(--rl-ease);
}
.rl-mobile-bar.is-show{transform:translateY(0);opacity:1;}
.rl-mobile-bar .rl-btn{flex:1;}
.rl-mobile-bar .rl-btn--primary{flex:1.2;}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .rl-container{max-width:1280px;}
}
@media (max-width:1199.98px){
  .rl-search{width:200px;}
  .rl-search:focus-within{width:250px;}
  .rl-nav-list{gap:0;}
  .rl-nav-link{padding:10px 10px;font-size:14px;}
  .rl-cat-hero h1{font-size:34px;}
  .rl-steps-layout{grid-template-columns:200px minmax(0,1fr);gap:32px;}
}
@media (max-width:991.98px){
  .rl-nav-list,.rl-search,.rl-icon-btn{display:none;}
  .rl-burger{display:flex;}
  .rl-cat-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .rl-cat-hero h1{font-size:30px;}
  .rl-hero-media img{aspect-ratio:16/9;}
  .rl-hero-card{left:auto;right:16px;bottom:-18px;}
  .rl-steps-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .rl-anchor{position:static;display:flex;gap:8px;overflow-x:auto;padding:10px;scrollbar-width:none;}
  .rl-anchor::-webkit-scrollbar{display:none;}
  .rl-anchor-title{display:none;}
  .rl-anchor a{flex:0 0 auto;height:40px;border-radius:var(--rl-r-pill);background:var(--rl-section);padding:0 16px;}
  .rl-anchor a.is-current{background:var(--rl-primary-soft);}
  .rl-band-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .rl-notice-grid{grid-template-columns:minmax(0,1fr);}
  .rl-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rl-split,.rl-split.is-reverse{grid-template-columns:minmax(0,1fr);}
  .rl-split.is-reverse .rl-split-media{order:0;}
}
@media (max-width:767.98px){
  body{font-size:16px;padding-bottom:76px;}
  .rl-container{padding:0 18px;}
  .rl-nav{height:60px;gap:14px;}
  .rl-logo-text{font-size:16px;}
  .rl-cat-hero{padding:12px 0 52px;}
  .rl-cat-hero h1{font-size:26px;letter-spacing:.4px;}
  .rl-steps-section{padding:56px 0 40px;}
  .rl-section-head h2{font-size:24px;}
  .rl-step{padding:22px;}
  .rl-step-head h3{font-size:19px;}
  .rl-step-num{flex:0 0 40px;width:40px;height:40px;font-size:17px;}
  .rl-notice-section,.rl-faq-section{padding:52px 0;}
  .rl-faq-q{font-size:16px;padding:16px;}
  .rl-faq-a p{padding:0 16px 16px 16px;}
  .rl-cta{padding:36px 22px;}
  .rl-cta h2{font-size:24px;}
  .rl-cta-actions .rl-btn{width:100%;}
  .rl-footer{padding-top:44px;}
  .rl-footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .rl-mobile-bar{display:flex;}
  .rl-band-item b{font-size:22px;}
}
@media (max-width:575.98px){
  .rl-cat-hero h1{font-size:23px;}
  .rl-band-grid{grid-template-columns:minmax(0,1fr);}
  .rl-hero-card{position:static;width:100%;margin-top:14px;}
  .rl-step{padding:18px;}
  .rl-cta{padding:30px 18px;border-radius:16px;}
  .rl-footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category3 */
:root{
  --rl-primary:#0F6B5F;
  --rl-primary-dark:#0A4F46;
  --rl-primary-soft:#E4F1EE;
  --rl-primary-tint:#F1F7F5;
  --rl-accent:#E8912E;
  --rl-accent-hover:#C97A1E;
  --rl-accent-soft:#FDF1DF;
  --rl-danger:#C2452D;
  --rl-bg:#F7F4EE;
  --rl-bg-alt:#EFF3F0;
  --rl-card:#FFFFFF;
  --rl-dark:#10302B;
  --rl-dark-text:#F2F6F3;
  --rl-text:#1B2321;
  --rl-text-2:#4E5A56;
  --rl-text-3:#7C8A85;
  --rl-border:#E2E6E1;
  --rl-line:#EDF0EC;
  --rl-shadow-1:0 2px 8px rgba(15,43,38,.05);
  --rl-shadow-2:0 12px 28px rgba(15,43,38,.08);
  --rl-shadow-3:0 20px 44px rgba(15,43,38,.12);
  --rl-r-card:16px;
  --rl-r-btn:10px;
  --rl-r-input:10px;
  --rl-r-img:16px;
  --rl-ease:cubic-bezier(.2,.7,.3,1);
  --rl-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --rl-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--rl-sans);
  font-size:17px;
  line-height:1.9;
  color:var(--rl-text);
  background:var(--rl-bg);
  word-break:break-word;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--rl-primary);text-decoration:none;transition:color .18s var(--rl-ease);}
a:hover{color:var(--rl-primary-dark);}
h1,h2,h3,h4{font-family:var(--rl-serif);color:var(--rl-text);margin:0;font-weight:700;line-height:1.32;letter-spacing:.6px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:2px;border-radius:6px;}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.rl-section{padding:88px 0;}
.rl-section--alt{background:var(--rl-bg-alt);}
.rl-section--tight{padding:64px 0;}
.rl-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;color:var(--rl-primary);
  background:var(--rl-primary-soft);border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
.rl-h2{font-size:32px;margin-bottom:16px;}
.rl-h3{font-size:21px;}
.rl-lead{font-size:17px;line-height:1.9;color:var(--rl-text-2);max-width:760px;}
.rl-bar{width:4px;height:26px;border-radius:4px;background:var(--rl-primary);display:inline-block;vertical-align:-4px;margin-right:12px;}

/* ---------- header / nav ---------- */
.rl-header{
  position:sticky;top:0;z-index:1030;
  background:var(--rl-bg);
  border-bottom:1px solid transparent;
  transition:background .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease);
}
.rl-header.is-scrolled{
  background:rgba(247,244,238,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--rl-border);
  box-shadow:var(--rl-shadow-1);
}
.rl-nav{display:flex;align-items:center;gap:24px;height:68px;transition:height .18s var(--rl-ease);}
.rl-header.is-scrolled .rl-nav{height:60px;}
.rl-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.rl-logo-mark{
  width:32px;height:32px;border-radius:9px;flex-shrink:0;
  background:
    linear-gradient(135deg,var(--rl-primary) 0 52%,var(--rl-accent) 52% 100%);
  position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);
}
.rl-logo-mark::after{
  content:"";position:absolute;inset:8px;border-radius:4px;
  background:
    linear-gradient(90deg,rgba(255,255,255,.9) 0 2px,transparent 2px 100%),
    linear-gradient(0deg,rgba(255,255,255,.9) 0 2px,transparent 2px 100%);
  background-position:0 0,0 0;background-size:100% 100%;
  opacity:.55;
}
.rl-logo-text{font-size:18px;font-weight:700;color:var(--rl-primary-dark);letter-spacing:.5px;font-family:var(--rl-serif);}
.rl-nav-list{display:flex;align-items:center;gap:4px;margin:0 auto 0 8px;padding:0;list-style:none;}
.rl-nav-link{
  position:relative;display:block;padding:8px 12px;font-size:15px;color:var(--rl-text-2);
  border-radius:8px;transition:color .16s var(--rl-ease);
}
.rl-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--rl-primary);transform:scaleX(0);transform-origin:left center;
  transition:transform .16s var(--rl-ease);
}
.rl-nav-link:hover{color:var(--rl-text);}
.rl-nav-link:hover::after{transform:scaleX(1);}
.rl-nav-link.is-active{color:var(--rl-primary-dark);font-weight:700;}
.rl-nav-link.is-active::after{transform:scaleX(1);}
.rl-nav-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.rl-search{position:relative;width:240px;transition:width .2s var(--rl-ease);}
.rl-search:focus-within{width:320px;}
.rl-search input{
  width:100%;height:40px;border-radius:var(--rl-r-input);
  border:1px solid var(--rl-border);background:var(--rl-bg-alt);
  padding:0 62px 0 38px;font-size:14px;color:var(--rl-text);
  transition:border-color .18s var(--rl-ease),box-shadow .18s var(--rl-ease),background .18s var(--rl-ease);
}
.rl-search input::placeholder{color:var(--rl-text-3);}
.rl-search input:focus{
  outline:none;background:#fff;border-color:var(--rl-primary);
  box-shadow:0 0 0 3px rgba(15,107,95,.12);
}
.rl-search-ico{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--rl-text-3);font-size:14px;}
.rl-kbd{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:11px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--rl-text-3);background:#fff;border:1px solid var(--rl-border);
  border-radius:5px;padding:1px 6px;line-height:1.6;
}
.rl-search-panel{
  position:absolute;top:calc(100% + 10px);left:0;width:480px;max-width:86vw;
  background:#fff;border:1px solid var(--rl-border);border-radius:14px;
  box-shadow:var(--rl-shadow-3);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s var(--rl-ease),transform .18s var(--rl-ease),visibility .18s;
  z-index:20;
}
.rl-search:focus-within .rl-search-panel{opacity:1;visibility:visible;transform:translateY(0);}
.rl-search-group{font-size:12px;color:var(--rl-text-3);padding:10px 12px 6px;letter-spacing:1px;}
.rl-search-item{
  display:flex;align-items:center;gap:10px;height:42px;padding:0 12px;border-radius:9px;
  font-size:14px;color:var(--rl-text);transition:background .16s var(--rl-ease);
}
.rl-search-item i{color:var(--rl-primary);font-size:13px;width:16px;text-align:center;}
.rl-search-item:hover{background:var(--rl-bg-alt);color:var(--rl-text);}
.rl-search-tag{
  margin-left:auto;font-size:11px;color:var(--rl-primary);
  background:var(--rl-primary-soft);border-radius:999px;padding:1px 8px;
}
.rl-icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--rl-r-btn);border:1px solid var(--rl-border);background:transparent;
  color:var(--rl-text-2);font-size:16px;transition:background .16s var(--rl-ease),color .16s var(--rl-ease);
}
.rl-icon-btn:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);}
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--rl-r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s var(--rl-ease),color .18s var(--rl-ease),transform .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease);
}
.rl-btn--sm{height:40px;padding:0 18px;}
.rl-btn--primary{background:var(--rl-accent);color:#fff;}
.rl-btn--primary:hover{background:var(--rl-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--rl-shadow-2);}
.rl-btn--primary:active{transform:translateY(0);}
.rl-btn--ghost{background:transparent;border-color:var(--rl-primary);color:var(--rl-primary-dark);}
.rl-btn--ghost:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);}
.rl-btn--link{height:auto;padding:0;background:none;border:none;color:var(--rl-primary);font-weight:600;font-size:15px;}
.rl-btn--link i{transition:transform .18s var(--rl-ease);}
.rl-btn--link:hover{color:var(--rl-primary-dark);}
.rl-btn--link:hover i{transform:translateX(3px);}
.rl-burger{
  display:none;width:40px;height:40px;border-radius:var(--rl-r-btn);
  border:1px solid var(--rl-border);background:#fff;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.rl-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--rl-text);}
.rl-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:1060;
  background:#fff;box-shadow:var(--rl-shadow-3);padding:20px;
  transform:translateX(100%);transition:transform .22s var(--rl-ease);
  overflow-y:auto;
}
.rl-drawer.is-open{transform:translateX(0);}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.rl-drawer-close{width:36px;height:36px;border-radius:9px;border:1px solid var(--rl-border);background:#fff;color:var(--rl-text-2);cursor:pointer;}
.rl-drawer input{
  width:100%;height:44px;border-radius:var(--rl-r-input);border:1px solid var(--rl-border);
  background:var(--rl-bg-alt);padding:0 14px;font-size:14px;margin-bottom:16px;
}
.rl-drawer input:focus{outline:none;border-color:var(--rl-primary);box-shadow:0 0 0 3px rgba(15,107,95,.12);}
.rl-drawer-list a{
  display:block;padding:13px 12px;border-left:2px solid transparent;border-radius:0 10px 10px 0;
  font-size:15px;color:var(--rl-text-2);
}
.rl-drawer-list a:hover{background:var(--rl-bg-alt);}
.rl-drawer-list a.is-active{background:var(--rl-primary-soft);border-left-color:var(--rl-primary);color:var(--rl-primary-dark);font-weight:700;}
.rl-drawer .rl-btn{width:100%;margin-top:18px;}
.rl-scrim{
  position:fixed;inset:0;background:rgba(16,48,43,.45);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity .2s var(--rl-ease),visibility .2s;
}
.rl-scrim.is-open{opacity:1;visibility:visible;}

/* ---------- breadcrumb ---------- */
.rl-crumb-wrap{background:var(--rl-bg);border-bottom:1px solid var(--rl-line);}
.rl-crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  height:52px;font-size:14px;color:var(--rl-text-2);
}
.rl-crumb a{color:var(--rl-text-2);}
.rl-crumb a:hover{color:var(--rl-primary);}
.rl-crumb span.sep{color:var(--rl-text-3);font-size:12px;}
.rl-crumb .cur{color:var(--rl-text);font-weight:600;}

/* ---------- category head (dark band) ---------- */
.rl-headband{
  background:
    radial-gradient(circle at 88% 12%, rgba(232,145,46,.20), transparent 46%),
    radial-gradient(circle at 6% 92%, rgba(15,107,95,.42), transparent 52%),
    var(--rl-dark);
  color:var(--rl-dark-text);
  padding:56px 0;
  min-height:220px;
  display:flex;align-items:center;
  position:relative;overflow:hidden;
}
.rl-headband::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.rl-headband .rl-container{position:relative;z-index:1;}
.rl-headband h1{color:#fff;font-size:40px;letter-spacing:1px;}
.rl-headband .rl-headline-sub{margin-top:16px;font-size:16px;line-height:1.9;color:rgba(242,246,243,.78);max-width:720px;}
.rl-tag-inverse{
  display:inline-block;font-size:12px;letter-spacing:1px;color:#fff;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);
  border-radius:999px;padding:4px 14px;margin-bottom:18px;
}
.rl-headstats{display:flex;flex-wrap:wrap;gap:32px;margin-top:32px;}
.rl-headstat{min-width:150px;}
.rl-headstat b{display:block;font-size:26px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#fff;line-height:1.3;}
.rl-headstat span{display:block;font-size:13px;color:rgba(242,246,243,.72);margin-top:4px;}
.rl-headstat + .rl-headstat{border-left:1px solid rgba(255,255,255,.14);padding-left:32px;}

/* ---------- generic card ---------- */
.rl-card{
  background:var(--rl-card);border:1px solid var(--rl-border);border-radius:var(--rl-r-card);
  padding:32px;box-shadow:var(--rl-shadow-1);
  transition:transform .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease);
}
.rl-card:hover{transform:translateY(-3px);box-shadow:var(--rl-shadow-2);border-color:rgba(15,107,95,.28);}
.rl-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.5px;
}
.rl-badge--primary{background:var(--rl-primary-soft);color:var(--rl-primary-dark);}
.rl-badge--accent{background:var(--rl-accent-soft);color:#9A5B12;}
.rl-badge--danger{background:#FBE9E5;color:var(--rl-danger);}

/* ---------- dual checklist ---------- */
.rl-dual{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.rl-panel{
  background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-r-card);
  padding:32px;box-shadow:var(--rl-shadow-1);
}
.rl-panel--soft{background:var(--rl-primary-tint);border-color:#D8E7E2;}
.rl-panel-head{display:flex;align-items:center;gap:12px;margin-bottom:6px;}
.rl-panel-ico{
  width:40px;height:40px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--rl-primary-soft);color:var(--rl-primary-dark);font-size:17px;flex-shrink:0;
}
.rl-panel--soft .rl-panel-ico{background:#fff;}
.rl-panel-head h3{font-size:20px;}
.rl-panel-desc{font-size:14px;color:var(--rl-text-3);margin:8px 0 6px;}
.rl-check-list{margin-top:12px;}
.rl-check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--rl-line);font-size:16px;line-height:1.75;
  color:var(--rl-text-2);
}
.rl-check-list li:last-child{border-bottom:none;padding-bottom:0;}
.rl-check-list i{color:var(--rl-primary);font-size:14px;margin-top:7px;flex-shrink:0;}
.rl-check-list li b{color:var(--rl-text);font-weight:600;}

/* ---------- capability grid ---------- */
.rl-cap-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-top:40px;}
.rl-cap{grid-column:span 6;display:flex;gap:22px;align-items:stretch;padding:0;overflow:hidden;}
.rl-cap-media{flex:0 0 190px;position:relative;overflow:hidden;background:var(--rl-bg-alt);}
.rl-cap-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--rl-ease);}
.rl-cap:hover .rl-cap-media img{transform:scale(1.05);}
.rl-cap-body{padding:28px 28px 28px 0;flex:1;}
.rl-cap-body h3{font-size:19px;margin-bottom:10px;}
.rl-cap-body p{font-size:15px;color:var(--rl-text-2);line-height:1.85;}
.rl-cap-body .rl-cap-link{margin-top:14px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--rl-primary);}
.rl-cap-body .rl-cap-link i{transition:transform .18s var(--rl-ease);}
.rl-cap-body .rl-cap-link:hover i{transform:translateX(3px);}

/* ---------- steps ---------- */
.rl-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px;}
.rl-step{position:relative;padding:28px 24px;background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-r-card);box-shadow:var(--rl-shadow-1);transition:border-color .18s var(--rl-ease),box-shadow .18s var(--rl-ease);}
.rl-step:hover{border-color:rgba(15,107,95,.3);box-shadow:var(--rl-shadow-2);}
.rl-step-num{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--rl-primary-tint);color:var(--rl-primary);font-size:20px;font-weight:700;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;margin-bottom:16px;
}
.rl-step h3{font-size:17px;margin-bottom:8px;}
.rl-step p{font-size:14.5px;color:var(--rl-text-2);line-height:1.85;}

/* ---------- badge strip ---------- */
.rl-standards{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:36px;}
.rl-standard{
  border:1px solid var(--rl-primary);border-radius:8px;background:#fff;
  padding:18px 10px;text-align:center;font-size:14px;color:var(--rl-primary-dark);
  font-weight:600;line-height:1.6;transition:background .18s var(--rl-ease),color .18s var(--rl-ease);
}
.rl-standard i{display:block;font-size:18px;margin-bottom:8px;color:var(--rl-primary);}
.rl-standard:hover{background:var(--rl-primary-soft);}

/* ---------- faq ---------- */
.rl-faq{max-width:820px;margin:0 auto;}
.rl-faq-item{
  background:#fff;border:1px solid var(--rl-border);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:background .18s var(--rl-ease),border-color .18s var(--rl-ease);
}
.rl-faq-item.is-open{background:var(--rl-primary-soft);border-color:#D3E6E0;}
.rl-faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 22px;background:none;border:none;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--rl-text);line-height:1.6;
}
.rl-faq-q .q-ico{
  width:28px;height:28px;flex-shrink:0;border-radius:8px;background:var(--rl-primary-soft);
  color:var(--rl-primary-dark);display:inline-flex;align-items:center;justify-content:center;font-size:13px;
}
.rl-faq-item.is-open .rl-faq-q .q-ico{background:#fff;}
.rl-faq-q .q-sign{
  margin-left:auto;flex-shrink:0;width:28px;height:28px;border-radius:999px;
  border:1px solid var(--rl-border);display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--rl-text-2);transition:all .18s var(--rl-ease);
}
.rl-faq-item.is-open .q-sign{background:var(--rl-primary);border-color:var(--rl-primary);color:#fff;}
.rl-faq-a{
  max-height:0;overflow:hidden;transition:max-height .25s var(--rl-ease);
}
.rl-faq-a-inner{padding:0 22px 22px 64px;font-size:15px;line-height:1.9;color:var(--rl-text-2);}

/* ---------- cta ---------- */
.rl-cta-wrap{padding:0 0 96px;}
.rl-cta{
  border-radius:20px;padding:56px 48px;color:#fff;
  background:linear-gradient(135deg,var(--rl-primary) 0%,var(--rl-primary-dark) 100%);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--rl-shadow-2);
}
.rl-cta h2{color:#fff;font-size:30px;margin-bottom:12px;}
.rl-cta p{color:rgba(255,255,255,.78);font-size:16px;max-width:620px;}
.rl-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.rl-cta-link{color:#fff;text-decoration:underline;text-underline-offset:4px;font-size:15px;display:inline-flex;align-items:center;height:44px;}
.rl-cta-link:hover{color:#fff;opacity:.86;}

/* ---------- footer ---------- */
.rl-footer{background:var(--rl-bg);border-top:1px solid var(--rl-border);padding:64px 0 26px;}
.rl-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;}
.rl-footer-brand p{font-size:14px;color:var(--rl-text-2);line-height:1.9;margin:16px 0;max-width:360px;}
.rl-footer-contact{font-size:14px;color:var(--rl-text-2);line-height:2;}
.rl-footer-contact b{color:var(--rl-text);font-weight:600;}
.rl-footer-col h4{font-size:15px;margin-bottom:16px;}
.rl-footer-col a{display:block;font-size:14px;line-height:2;color:var(--rl-text-2);}
.rl-footer-col a:hover{color:var(--rl-primary);}
.rl-footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--rl-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--rl-text-3);
}
.rl-qr{
  width:96px;height:96px;border-radius:12px;border:1px dashed var(--rl-border);
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;
  font-size:12px;color:var(--rl-text-3);background:#fff;margin-top:16px;
}
.rl-qr i{font-size:22px;color:var(--rl-text-3);}

/* ---------- mobile sticky bar ---------- */
.rl-mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(247,244,238,.92);backdrop-filter:blur(10px);
  border-top:1px solid var(--rl-border);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  gap:10px;transform:translateY(110%);transition:transform .2s var(--rl-ease);
}
.rl-mobile-bar.is-show{transform:translateY(0);}
.rl-mobile-bar .rl-btn{flex:1;height:44px;}
.rl-mobile-bar .rl-btn--primary{flex:1.2;}
.rl-to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:12px;
  background:var(--rl-primary);color:#fff;border:none;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--rl-shadow-2);opacity:0;visibility:hidden;cursor:pointer;
  transition:opacity .2s var(--rl-ease),visibility .2s,background .18s var(--rl-ease);
  z-index:1035;
}
.rl-to-top.is-show{opacity:1;visibility:visible;}
.rl-to-top:hover{background:var(--rl-primary-dark);}

/* ---------- media queries ---------- */
@media (max-width:1400px){
  .rl-container{max-width:1200px;}
}
@media (max-width:1200px){
  .rl-search{width:200px;}
  .rl-search:focus-within{width:260px;}
  .rl-section{padding:76px 0;}
}
@media (max-width:992px){
  .rl-nav-list,.rl-search,.rl-icon-btn{display:none;}
  .rl-burger{display:flex;}
  .rl-nav-right .rl-btn--primary{display:none;}
  .rl-headband h1{font-size:32px;}
  .rl-cap{grid-column:span 12;}
  .rl-steps{grid-template-columns:repeat(2,1fr);}
  .rl-standards{grid-template-columns:repeat(3,1fr);}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rl-section{padding:64px 0;}
  .rl-h2{font-size:26px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .rl-section{padding:48px 0;}
  .rl-section--tight{padding:44px 0;}
  .rl-h2{font-size:24px;}
  .rl-headband{padding:44px 0;}
  .rl-headband h1{font-size:27px;}
  .rl-headstats{gap:20px;}
  .rl-headstat{min-width:120px;}
  .rl-headstat + .rl-headstat{padding-left:20px;}
  .rl-dual{grid-template-columns:1fr;}
  .rl-cap{flex-direction:column;}
  .rl-cap-media{flex:none;width:100%;aspect-ratio:16/9;}
  .rl-cap-body{padding:22px;}
  .rl-cta{padding:36px 26px;}
  .rl-cta h2{font-size:24px;}
  .rl-mobile-bar{display:flex;}
  .rl-to-top{bottom:78px;}
  .rl-footer-grid{grid-template-columns:1fr;}
  .rl-faq-a-inner{padding-left:22px;}
}
@media (max-width:576px){
  .rl-container{padding:0 18px;}
  .rl-steps{grid-template-columns:1fr;}
  .rl-standards{grid-template-columns:repeat(2,1fr);}
  .rl-headstats{flex-direction:column;gap:16px;}
  .rl-headstat + .rl-headstat{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:16px;}
  .rl-cta-actions{width:100%;}
  .rl-cta-actions .rl-btn{width:100%;}
  .rl-footer-bottom{flex-direction:column;}
}

/* roulang page: category4 */
:root{
  --rl-primary:#0F6B5F;
  --rl-primary-dark:#0A4F46;
  --rl-primary-tint:#E4F1EE;
  --rl-primary-pale:#F1F7F5;
  --rl-accent:#E8912E;
  --rl-accent-hover:#C97A1E;
  --rl-accent-tint:#FDF1DF;
  --rl-danger:#C2452D;
  --rl-bg:#F7F4EE;
  --rl-surface:#EFF3F0;
  --rl-card:#FFFFFF;
  --rl-dark:#10302B;
  --rl-dark-text:#F2F6F3;
  --rl-text:#1B2321;
  --rl-text-2:#4E5A56;
  --rl-text-3:#7C8A85;
  --rl-border:#E2E6E1;
  --rl-line:#EDF0EC;
  --rl-shadow-1:0 2px 8px rgba(15,43,38,.05);
  --rl-shadow-2:0 12px 28px rgba(15,43,38,.08);
  --rl-shadow-3:0 20px 44px rgba(15,43,38,.12);
  --rl-radius-card:16px;
  --rl-radius-btn:10px;
  --rl-radius-input:10px;
  --rl-radius-img:16px;
  --rl-radius-block:20px;
  --rl-ease:cubic-bezier(.2,.7,.3,1);
  --rl-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --rl-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--rl-sans);font-size:17px;line-height:1.9;color:var(--rl-text);background:var(--rl-bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--rl-primary);text-decoration:none;transition:color .18s var(--rl-ease)}
a:hover{color:var(--rl-primary-dark)}
h1,h2,h3,h4{font-family:var(--rl-serif);margin:0;line-height:1.3;letter-spacing:.5px;color:var(--rl-text);font-weight:700}
p{margin:0 0 1.15em}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:2px}

/* 容器与分区 */
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.rl-section{padding:88px 0}
.rl-section--tint{background:var(--rl-surface)}
.rl-section--tight{padding:64px 0}
.rl-sec-head{max-width:780px;margin:0 auto 48px;text-align:center}
.rl-sec-head--left{margin:0 0 40px;text-align:left}
.rl-h2{font-size:32px;margin-bottom:14px}
.rl-h2--bar{padding-left:16px;position:relative}
.rl-h2--bar::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--rl-primary)}
.rl-sec-sub{font-size:16px;color:var(--rl-text-2);margin:0}
.rl-eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--rl-text-3);text-transform:uppercase;margin-bottom:12px}

/* 头部导航 */
.rl-header{position:sticky;top:0;z-index:1030;background:var(--rl-bg);transition:background .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease)}
.rl-header.is-scrolled{background:rgba(247,244,238,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--rl-border);box-shadow:var(--rl-shadow-1)}
.rl-nav{display:flex;align-items:center;gap:26px;height:68px;transition:height .18s var(--rl-ease)}
.rl-header.is-scrolled .rl-nav{height:60px}
.rl-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.rl-logo-mark{position:relative;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--rl-primary) 0%,var(--rl-primary-dark) 100%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.rl-logo-mark::after{content:"";position:absolute;left:8px;right:8px;top:8px;bottom:8px;background-image:linear-gradient(to right,rgba(255,255,255,.92) 1.5px,transparent 1.5px),linear-gradient(to bottom,rgba(255,255,255,.92) 1.5px,transparent 1.5px);background-size:50% 50%;background-position:0 0;opacity:.85}
.rl-logo-text{font-family:var(--rl-serif);font-size:18px;font-weight:700;color:var(--rl-primary-dark);letter-spacing:.5px}
.rl-nav-list{display:flex;align-items:center;gap:26px;flex:1 1 auto}
.rl-nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--rl-text-2)}
.rl-nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--rl-primary);transform:scaleX(0);transform-origin:left;transition:transform .16s var(--rl-ease)}
.rl-nav-link:hover{color:var(--rl-text)}
.rl-nav-link:hover::after{transform:scaleX(1)}
.rl-nav-link.is-active{color:var(--rl-primary-dark);font-weight:700}
.rl-nav-link.is-active::after{transform:scaleX(1)}
.rl-nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.rl-search{position:relative;display:flex;align-items:center;gap:8px;width:240px;height:40px;padding:0 10px;background:var(--rl-surface);border:1px solid var(--rl-border);border-radius:10px;transition:width .2s var(--rl-ease),border-color .2s var(--rl-ease),box-shadow .2s var(--rl-ease)}
.rl-search:focus-within{width:320px;border-color:var(--rl-primary);box-shadow:0 0 0 3px rgba(15,107,95,.12)}
.rl-search-ico{font-size:13px;color:var(--rl-text-3)}
.rl-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--rl-text)}
.rl-search input::placeholder{color:var(--rl-text-3)}
.rl-kbd{flex:0 0 auto;font-size:11px;line-height:1;padding:4px 6px;border:1px solid var(--rl-border);border-radius:5px;background:#fff;color:var(--rl-text-3);font-family:ui-monospace,Menlo,monospace}
.rl-search-panel{position:absolute;top:calc(100% + 10px);right:0;width:480px;max-width:calc(100vw - 36px);padding:8px;background:#fff;border:1px solid var(--rl-border);border-radius:14px;box-shadow:var(--rl-shadow-3);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s var(--rl-ease),transform .18s var(--rl-ease),visibility .18s;z-index:40}
.rl-search:focus-within .rl-search-panel{opacity:1;visibility:visible;transform:none}
.rl-search-group{font-size:12px;color:var(--rl-text-3);padding:8px 10px 4px}
.rl-search-item{display:flex;align-items:center;gap:10px;height:42px;padding:0 10px;border-radius:10px;font-size:14px;color:var(--rl-text-2)}
.rl-search-item i{color:var(--rl-primary);font-size:13px;width:16px;text-align:center}
.rl-search-item:hover{background:var(--rl-surface);color:var(--rl-text)}
.rl-search-tag{margin-left:auto;font-size:11px;padding:2px 8px;border-radius:999px;background:var(--rl-primary-tint);color:var(--rl-primary-dark)}
.rl-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;color:var(--rl-text-2);font-size:16px;transition:background .18s var(--rl-ease),color .18s var(--rl-ease)}
.rl-icon-btn:hover{background:var(--rl-primary-tint);color:var(--rl-primary-dark)}
.rl-burger{display:none;width:40px;height:40px;border:1px solid var(--rl-border);border-radius:10px;background:#fff;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.rl-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--rl-text)}
.rl-burger:hover{background:var(--rl-primary-tint)}
.rl-drawer{position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100%;padding:20px;background:#fff;z-index:1060;transform:translateX(102%);transition:transform .26s var(--rl-ease);overflow-y:auto}
.rl-drawer.is-open{transform:none}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.rl-drawer-close{width:36px;height:36px;border:1px solid var(--rl-border);border-radius:10px;background:#fff;cursor:pointer;color:var(--rl-text-2)}
.rl-drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;border:1px solid var(--rl-border);border-radius:10px;background:var(--rl-surface);margin-bottom:18px}
.rl-drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.rl-drawer-nav a{display:block;padding:12px 12px;border-left:2px solid transparent;border-radius:8px;font-size:15px;color:var(--rl-text-2)}
.rl-drawer-nav a:hover{background:var(--rl-surface);color:var(--rl-text)}
.rl-drawer-nav a.is-active{border-left-color:var(--rl-primary);background:var(--rl-primary-tint);color:var(--rl-primary-dark);font-weight:700}
.rl-drawer-cta{margin-top:20px;width:100%}
.rl-mask{position:fixed;inset:0;background:rgba(16,48,43,.45);opacity:0;visibility:hidden;transition:opacity .26s var(--rl-ease),visibility .26s;z-index:1050}
.rl-mask.is-open{opacity:1;visibility:visible}

/* 按钮 */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border:1.5px solid transparent;border-radius:var(--rl-radius-btn);font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .18s var(--rl-ease),color .18s var(--rl-ease),transform .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease)}
.rl-btn--primary{background:var(--rl-accent);color:#fff}
.rl-btn--primary:hover{background:var(--rl-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--rl-shadow-2)}
.rl-btn--primary:active{transform:translateY(0)}
.rl-btn--ghost{background:transparent;border-color:var(--rl-primary);color:var(--rl-primary)}
.rl-btn--ghost:hover{background:var(--rl-primary-tint);color:var(--rl-primary-dark)}
.rl-btn--dark{background:var(--rl-primary);color:#fff}
.rl-btn--dark:hover{background:var(--rl-primary-dark);color:#fff}
.rl-btn--onDark{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.rl-btn--onDark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.rl-btn--sm{height:40px;padding:0 18px;font-size:14px}
.rl-btn--block{width:100%}
.rl-btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.rl-text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--rl-primary);text-decoration:underline;text-underline-offset:4px}
.rl-text-link i{transition:transform .18s var(--rl-ease)}
.rl-text-link:hover i{transform:translateX(3px)}

/* 徽章 */
.rl-badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;font-size:12px;line-height:1;letter-spacing:.5px}
.rl-badge--primary{background:var(--rl-primary-tint);color:var(--rl-primary-dark)}
.rl-badge--accent{background:var(--rl-accent-tint);color:var(--rl-accent-hover)}
.rl-badge--danger{background:#FBEAE6;color:var(--rl-danger)}

/* 面包屑 */
.rl-crumb-wrap{background:var(--rl-bg);border-bottom:1px solid var(--rl-line)}
.rl-crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;min-height:44px;font-size:14px;color:var(--rl-text-2)}
.rl-crumb a{color:var(--rl-text-2)}
.rl-crumb a:hover{color:var(--rl-primary)}
.rl-crumb-sep{font-size:12px;color:var(--rl-text-3)}
.rl-crumb-cur{color:var(--rl-text-3)}

/* Hero */
.rl-hero{position:relative;overflow:hidden;padding:72px 0 84px;background:var(--rl-bg)}
.rl-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.14}
.rl-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(620px 320px at 84% 8%,rgba(15,107,95,.12),transparent 70%),radial-gradient(520px 300px at 6% 96%,rgba(232,145,46,.10),transparent 72%)}
.rl-hero-inner{position:relative;z-index:1;max-width:820px;margin:0 auto;text-align:center}
.rl-h1{font-size:40px;line-height:1.28;margin:18px 0 18px}
.rl-hero-sub{font-size:17px;line-height:1.85;color:var(--rl-text-2);max-width:660px;margin:0 auto}
.rl-cmd{display:flex;align-items:center;gap:12px;width:100%;max-width:640px;height:56px;margin:34px auto 0;padding:0 18px;background:#fff;border:1px solid var(--rl-border);border-radius:14px;box-shadow:var(--rl-shadow-2);transition:border-color .18s var(--rl-ease),box-shadow .18s var(--rl-ease)}
.rl-cmd:focus-within{border-color:var(--rl-primary);box-shadow:0 0 0 4px rgba(15,107,95,.12),var(--rl-shadow-2)}
.rl-cmd i{color:var(--rl-text-3);font-size:15px}
.rl-cmd input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:16px;color:var(--rl-text)}
.rl-cmd input::placeholder{color:var(--rl-text-3)}
.rl-cmd-btn{flex:0 0 auto;height:38px;padding:0 16px;border:0;border-radius:9px;background:var(--rl-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .18s var(--rl-ease)}
.rl-cmd-btn:hover{background:var(--rl-primary-dark)}
.rl-hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px}
.rl-hero-chips a{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--rl-border);font-size:13px;color:var(--rl-text-2)}
.rl-hero-chips a:hover{border-color:rgba(15,107,95,.35);background:var(--rl-primary-tint);color:var(--rl-primary-dark)}

/* 四宫格入口 */
.rl-grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.rl-entry{display:flex;flex-direction:column;height:100%;padding:26px 24px;background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-radius-card);box-shadow:var(--rl-shadow-1);transition:transform .18s var(--rl-ease),box-shadow .18s var(--rl-ease),border-color .18s var(--rl-ease)}
.rl-entry:hover{transform:translateY(-3px);box-shadow:var(--rl-shadow-2);border-color:rgba(15,107,95,.28)}
.rl-entry-ico{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--rl-primary-tint);color:var(--rl-primary-dark);font-size:18px;margin-bottom:16px}
.rl-entry h3{font-size:18px;margin-bottom:8px}
.rl-entry p{font-size:14px;line-height:1.8;color:var(--rl-text-2);margin:0 0 18px}
.rl-entry .rl-entry-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--rl-primary);display:inline-flex;align-items:center;gap:6px}
.rl-entry:hover .rl-entry-more i{transform:translateX(3px)}
.rl-entry-more i{transition:transform .18s var(--rl-ease)}

/* 图文分栏 */
.rl-split{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:40px;align-items:center}
.rl-split-media{grid-column:span 6}
.rl-split-body{grid-column:span 6}
.rl-split-media img{width:100%;border-radius:var(--rl-radius-img);box-shadow:var(--rl-shadow-2);aspect-ratio:4/3;object-fit:cover}
.rl-steps{display:grid;gap:20px}
.rl-step{display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;align-items:start}
.rl-step-num{display:flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:16px;background:var(--rl-primary-pale);color:var(--rl-primary);font-family:ui-monospace,Menlo,monospace;font-size:20px;font-weight:700}
.rl-step h3{font-size:19px;margin-bottom:6px}
.rl-step p{font-size:15px;line-height:1.85;color:var(--rl-text-2);margin:0}

/* 数据条 */
.rl-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.rl-stat{padding:26px 22px;background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-radius-card);box-shadow:var(--rl-shadow-1)}
.rl-stat-num{font-family:ui-monospace,Menlo,monospace;font-size:28px;font-weight:700;color:var(--rl-primary-dark);line-height:1.2;font-variant-numeric:tabular-nums}
.rl-stat-label{font-size:13px;color:var(--rl-text-3);margin-top:6px}

/* FAQ 布局 */
.rl-faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.rl-faq-group{font-size:14px;font-weight:600;letter-spacing:1px;color:var(--rl-text-3);margin:26px 0 12px}
.rl-faq-group:first-of-type{margin-top:0}
.rl-faq .accordion-item{margin-bottom:12px;background:#fff;border:1px solid var(--rl-border);border-radius:12px;overflow:hidden;transition:border-color .18s var(--rl-ease),box-shadow .18s var(--rl-ease)}
.rl-faq .accordion-item:hover{border-color:rgba(15,107,95,.28)}
.rl-faq .accordion-header{margin:0}
.rl-faq .accordion-button{display:flex;align-items:center;gap:12px;width:100%;padding:18px 20px;background:#fff;border:0;box-shadow:none;font-family:var(--rl-sans);font-size:17px;font-weight:600;color:var(--rl-text);text-align:left;line-height:1.6}
.rl-faq .accordion-button:not(.collapsed){background:var(--rl-primary-tint);color:var(--rl-primary-dark)}
.rl-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--rl-primary);outline-offset:-2px}
.rl-faq .accordion-button::after{content:"+";display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex:0 0 28px;margin-left:auto;background-image:none;background-color:#fff;border:1px solid var(--rl-border);border-radius:50%;font-size:16px;line-height:1;color:var(--rl-primary);transform:none;transition:background .18s var(--rl-ease),color .18s var(--rl-ease),border-color .18s var(--rl-ease)}
.rl-faq .accordion-button:not(.collapsed)::after{content:"−";background-color:var(--rl-primary);border-color:var(--rl-primary);color:#fff}
.rl-faq .accordion-body{padding:4px 20px 22px;font-size:15px;line-height:1.9;color:var(--rl-text-2);border-top:1px solid var(--rl-line)}
.rl-faq .accordion-body p{margin:14px 0 0}
.rl-faq .accordion-body p:first-child{margin-top:0}
.rl-faq .accordion-item{border-radius:12px!important}
.rl-faq .accordion-button{border-radius:12px!important}

/* 联系卡片 */
.rl-contact-card{position:sticky;top:96px;padding:26px 24px;background:var(--rl-primary-pale);border:1px solid var(--rl-border);border-radius:16px;box-shadow:var(--rl-shadow-1)}
.rl-contact-card h3{font-size:19px;margin-bottom:10px}
.rl-contact-card p{font-size:14px;line-height:1.85;color:var(--rl-text-2)}
.rl-contact-list{margin:16px 0 22px;display:grid;gap:10px}
.rl-contact-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--rl-text-2);line-height:1.7}
.rl-contact-list i{color:var(--rl-primary);font-size:13px;margin-top:6px}
.rl-contact-actions{display:grid;gap:10px}
.rl-contact-note{font-size:12px;color:var(--rl-text-3);margin-top:14px;line-height:1.7}

/* CTA */
.rl-cta{padding:0 0 96px}
.rl-cta-box{position:relative;overflow:hidden;padding:56px 48px;border-radius:var(--rl-radius-block);background:linear-gradient(135deg,var(--rl-primary) 0%,var(--rl-primary-dark) 100%);box-shadow:var(--rl-shadow-3)}
.rl-cta-box::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.06)}
.rl-cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center}
.rl-cta-inner h2{font-size:28px;color:#fff;margin-bottom:12px}
.rl-cta-inner p{font-size:16px;color:rgba(255,255,255,.72);margin:0}
.rl-cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.rl-cta-link{color:#fff;font-size:15px;font-weight:600;text-decoration:underline;text-underline-offset:4px}
.rl-cta-link:hover{color:#fff;opacity:.85}

/* 页脚 */
.rl-footer{background:var(--rl-bg);border-top:1px solid var(--rl-border);padding:64px 0 26px}
.rl-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding-bottom:40px}
.rl-footer-brand .rl-logo{margin-bottom:16px}
.rl-footer-brand p{font-size:14px;line-height:1.9;color:var(--rl-text-2);max-width:420px}
.rl-footer-meta{display:grid;gap:8px;font-size:14px;color:var(--rl-text-2);margin-top:6px}
.rl-footer-meta span i{color:var(--rl-primary);font-size:12px;margin-right:8px}
.rl-footer-col h4{font-size:15px;margin-bottom:16px;font-family:var(--rl-sans);font-weight:600}
.rl-footer-col ul{display:grid;gap:10px}
.rl-footer-col a{font-size:14px;color:var(--rl-text-2);line-height:1.8}
.rl-footer-col a:hover{color:var(--rl-primary)}
.rl-footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;padding-top:22px;border-top:1px solid var(--rl-line);font-size:12px;color:var(--rl-text-3)}

/* 移动端底部条 */
.rl-mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(247,244,238,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--rl-border);transform:translateY(110%);opacity:0;transition:transform .2s var(--rl-ease),opacity .2s var(--rl-ease)}
.rl-mobile-bar.is-visible{transform:none;opacity:1}
.rl-mobile-bar-inner{display:flex;gap:10px}
.rl-mobile-bar .rl-btn{height:44px;flex:1 1 auto}
.rl-mobile-bar .rl-btn--primary{flex:1.2 1 auto}

/* 返回顶部 */
.rl-backtop{position:fixed;right:24px;bottom:32px;z-index:1040;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:0;border-radius:12px;background:var(--rl-primary);color:#fff;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .2s var(--rl-ease),visibility .2s,background .18s var(--rl-ease)}
.rl-backtop.is-visible{opacity:1;visibility:visible}
.rl-backtop:hover{background:var(--rl-primary-dark)}

@media (max-width:1400px){
  .rl-container{max-width:1160px}
}
@media (max-width:1200px){
  .rl-faq-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
  .rl-h1{font-size:34px}
  .rl-h2{font-size:28px}
}
@media (max-width:992px){
  .rl-nav-list{display:none}
  .rl-search{display:none}
  .rl-icon-btn{display:none}
  .rl-burger{display:flex}
  .rl-section{padding:64px 0}
  .rl-grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rl-split{grid-template-columns:1fr;gap:28px}
  .rl-split-media,.rl-split-body{grid-column:span 12}
  .rl-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rl-faq-layout{grid-template-columns:1fr;gap:28px}
  .rl-contact-card{position:static}
  .rl-cta-inner{grid-template-columns:1fr;gap:24px}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .rl-section{padding:48px 0}
  .rl-container{padding:0 18px}
  .rl-h1{font-size:30px}
  .rl-h2{font-size:24px}
  .rl-hero{padding:52px 0 60px}
  .rl-cmd{height:52px;padding:0 14px}
  .rl-cmd-btn{display:none}
  .rl-cta-box{padding:36px 24px}
  .rl-cta-inner h2{font-size:23px}
  .rl-footer{padding:48px 0 96px}
  .rl-footer-grid{grid-template-columns:1fr;gap:28px}
  .rl-mobile-bar{display:block}
  .rl-backtop{bottom:88px;right:16px}
}
@media (max-width:576px){
  .rl-grid-4{grid-template-columns:1fr}
  .rl-stats{grid-template-columns:1fr}
  .rl-step{grid-template-columns:44px minmax(0,1fr);gap:12px}
  .rl-step-num{width:44px;height:44px;border-radius:12px;font-size:17px}
  .rl-faq .accordion-button{font-size:15.5px;padding:16px 16px}
  .rl-faq .accordion-body{padding:2px 16px 18px}
  .rl-hero-chips a{font-size:12.5px}
  .rl-cta-actions .rl-btn{width:100%}
}