/* roulang page: index */
:root{
  --ink-900:#0C1A1C;
  --ink-700:#17343A;
  --primary:#0E5C55;
  --primary-dark:#0A4A45;
  --primary-soft:#E4F0ED;
  --accent:#FF7A45;
  --bg:#FBFBF8;
  --surface:#FFFFFF;
  --border:#DCE5E2;
  --text:#1B2A2C;
  --text-muted:#5A6B6C;
  --danger:#C2410C;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(12,26,28,.04),0 8px 24px rgba(12,26,28,.06);
  --shadow-2:0 2px 4px rgba(12,26,28,.06),0 14px 32px rgba(12,26,28,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease)}
a:hover{color:var(--primary-dark)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(14,92,85,.28);outline-offset:2px}
::selection{background:var(--primary-soft);color:var(--primary-dark)}

/* ============ 容器 ============ */
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.rl-container{max-width:1320px}}

/* ============ 左侧竖向导航 ============ */
.rl-sidenav{display:none}
@media (min-width:992px){
  body{padding-left:236px}
  .rl-sidenav{
    display:flex;
    flex-direction:column;
    position:fixed;top:0;left:0;bottom:0;
    width:236px;height:100vh;
    padding:24px 16px 20px;
    background:linear-gradient(180deg,#0C1A1C 0%,#123B38 100%);
    z-index:1040;
  }
}
.rl-brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;color:#fff}
.rl-mark{width:34px;height:34px;flex:0 0 34px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:3px}
.rl-mark i{display:block;border-radius:2px;background:rgba(255,255,255,.18)}
.rl-mark i:nth-child(1),
.rl-mark i:nth-child(5),
.rl-mark i:nth-child(9){background:var(--accent)}
.rl-brand-text{display:flex;flex-direction:column;font-size:16px;font-weight:600;line-height:1.3;color:#fff}
.rl-brand-text em{font-style:normal;font-size:11.5px;font-weight:400;color:rgba(255,255,255,.55);margin-top:2px}

.rl-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.rl-nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  color:rgba(255,255,255,.72);font-size:14.5px;font-weight:400;
  overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
  transition:background var(--ease),color var(--ease);
}
.rl-nav-item i{flex:0 0 18px;width:18px;text-align:center;font-size:14px;opacity:.9}
.rl-nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.rl-nav-item.active{background:rgba(255,255,255,.08);color:#fff;font-weight:500}
.rl-nav-item.active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;background:var(--accent)}

.rl-sidenav-foot{margin-top:auto;padding:16px 8px 0;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:rgba(255,255,255,.45);line-height:1.9}
.rl-sidenav-foot a{color:rgba(255,255,255,.6)}
.rl-sidenav-foot a:hover{color:#fff}

/* ============ 移动端顶部导航 ============ */
.rl-topbar{position:sticky;top:0;z-index:1050;background:#fff;border-bottom:1px solid var(--border)}
@media (min-width:992px){.rl-topbar{display:none}}
.rl-topbar-in{display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 16px}
.rl-brand--dark{padding:0;color:var(--ink-900)}
.rl-brand--dark .rl-brand-text{color:var(--ink-900);font-size:15.5px}
.rl-brand--dark .rl-brand-text em{color:var(--text-muted)}
.rl-brand--dark .rl-mark i{background:rgba(12,26,28,.14)}
.rl-brand--dark .rl-mark i:nth-child(1),
.rl-brand--dark .rl-mark i:nth-child(5),
.rl-brand--dark .rl-mark i:nth-child(9){background:var(--primary)}
.rl-burger{width:40px;height:40px;border:1px solid var(--border);border-radius:10px;background:#fff;display:grid;place-items:center;color:var(--ink-900);cursor:pointer}
.rl-burger:hover{border-color:var(--primary);color:var(--primary)}
.rl-mobile-menu{background:#fff;border-top:1px solid var(--border)}
.rl-mobile-menu a.rl-m-link{display:flex;align-items:center;gap:10px;height:52px;padding:0 18px;font-size:16.5px;color:var(--ink-900);border-bottom:1px solid var(--border)}
.rl-mobile-menu a.rl-m-link.active{color:var(--primary);box-shadow:inset 3px 0 0 var(--accent);background:var(--primary-soft)}
.rl-mobile-cta{padding:16px 18px 22px}
.rl-mobile-cta .rl-btn{width:100%}

/* ============ 通用按钮 ============ */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:color var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.rl-btn-primary{background:var(--accent);color:#fff}
.rl-btn-primary:hover{background:#F2692F;color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,122,69,.26)}
.rl-btn-primary:active{transform:translateY(0);box-shadow:none}
.rl-btn-outline{background:#fff;border-color:var(--border);color:var(--primary)}
.rl-btn-outline:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-dark)}
.rl-btn-sm{padding:9px 16px;font-size:14px;border-radius:8px}
.rl-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:500;color:var(--primary)}
.rl-link-arrow i{transition:transform var(--ease)}
.rl-link-arrow:hover i{transform:translateX(2px)}
@media (max-width:575px){
  .rl-hero-actions .rl-btn,.rl-form-actions .rl-btn{width:100%}
}

/* ============ 板块与标题 ============ */
.rl-section{padding:56px 0}
@media (min-width:992px){.rl-section{padding:88px 0}}
.rl-section-head{margin-bottom:32px;max-width:780px}
@media (min-width:992px){.rl-section-head{margin-bottom:44px}}
.rl-h2{position:relative;font-size:23px;font-weight:700;line-height:1.35;color:var(--ink-900);padding-left:14px}
@media (min-width:992px){.rl-h2{font-size:30px}}
.rl-h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--accent)}
.rl-sub{margin-top:12px;font-size:15px;color:var(--text-muted)}
.rl-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--primary);background:var(--primary-soft);padding:5px 12px;border-radius:999px;margin-bottom:16px}
.rl-badge{display:inline-block;font-size:13px;line-height:1.6;padding:3px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);align-self:flex-start}

/* ============ Hero ============ */
.rl-hero{position:relative;padding:44px 0 52px;background:var(--bg);overflow:hidden}
@media (min-width:992px){.rl-hero{padding:80px 0 88px}}
.rl-hero::after{
  content:"";position:absolute;right:-30px;top:-40px;width:340px;height:340px;
  background-image:radial-gradient(circle,rgba(14,92,85,.16) 1.6px,transparent 1.7px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 68% 32%,#000 0%,transparent 68%);
  mask-image:radial-gradient(circle at 68% 32%,#000 0%,transparent 68%);
  pointer-events:none;
}
.rl-hero .row{position:relative;z-index:1}
.rl-h1{font-size:30px;font-weight:700;line-height:1.32;color:var(--ink-900);letter-spacing:0}
@media (min-width:992px){.rl-h1{font-size:44px;line-height:1.22}}
.rl-lede{margin-top:16px;font-size:16.5px;color:var(--text-muted);max-width:540px}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.rl-metrics{display:flex;flex-wrap:wrap;margin-top:32px;padding-top:22px;border-top:1px solid var(--border);gap:8px 0}
.rl-metrics>div{flex:1 1 130px;padding-right:16px}
.rl-metrics strong{display:block;font-size:24px;font-weight:700;color:var(--ink-900);line-height:1.2;font-variant-numeric:tabular-nums}
.rl-metrics span{display:block;margin-top:4px;font-size:13px;color:var(--text-muted)}
.rl-hero-media{position:relative;margin:0;border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-1);background:var(--primary-soft)}
.rl-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img)}
.rl-hero-note{position:absolute;right:14px;bottom:14px;background:rgba(228,240,237,.96);border-radius:10px;padding:9px 14px;font-size:13.5px;line-height:1.5}
.rl-hero-note a{font-weight:500}

/* ============ 入口指引（非对称 2+1） ============ */
.rl-mini-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.rl-mini-grid{grid-template-columns:repeat(2,1fr)}}
.rl-mini-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease)}
.rl-mini-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.rl-icon{width:40px;height:40px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:16px;margin-bottom:14px}
.rl-mini-card h3{font-size:17px;font-weight:600;color:var(--ink-900);margin-bottom:8px}
.rl-mini-card p{font-size:14.5px;color:var(--text-muted);margin-bottom:14px}
.rl-tall-card{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.rl-tall-card img{width:100%;aspect-ratio:16/11;object-fit:cover;background:var(--primary-soft)}
.rl-tall-card .rl-tall-body{display:flex;flex-direction:column;gap:12px;padding:24px;flex:1}
.rl-tall-card h3{font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.45}
.rl-tall-card p{font-size:14.5px;color:var(--text-muted);flex:1}

/* ============ 数据条 ============ */
.rl-band{background:var(--ink-900);padding:48px 0}
@media (min-width:992px){.rl-band{padding:64px 0}}
.rl-band-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
@media (min-width:992px){.rl-band-grid{grid-template-columns:repeat(4,1fr)}}
.rl-band-item strong{display:block;font-size:32px;font-weight:700;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums}
@media (min-width:992px){.rl-band-item strong{font-size:40px}}
.rl-band-item span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.6}

/* ============ 场景卡片 ============ */
.rl-case-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:992px){
  .rl-case-grid{grid-template-columns:repeat(3,1fr);align-items:start}
  .rl-case-card--raise{margin-top:-24px}
}
.rl-case-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease)}
.rl-case-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.rl-case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--primary-soft)}
.rl-case-body{display:flex;flex-direction:column;gap:10px;padding:24px}
.rl-case-body h3{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5}
.rl-case-body p{font-size:14.5px;color:var(--text-muted)}

/* ============ 流程步骤 ============ */
.rl-steps{display:grid;grid-template-columns:1fr;gap:26px;position:relative}
@media (min-width:992px){
  .rl-steps{grid-template-columns:repeat(4,1fr);gap:24px}
  .rl-steps::before{content:"";position:absolute;left:22px;right:22px;top:22px;height:1px;background:var(--border)}
}
@media (max-width:991px){
  .rl-steps{padding-left:20px;border-left:2px solid var(--primary-soft)}
}
.rl-step{position:relative;padding-left:0}
.rl-step-num{position:relative;z-index:1;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--primary);color:var(--primary);display:grid;place-items:center;font-size:16px;font-weight:600;font-variant-numeric:tabular-nums}
.rl-step h3{margin-top:16px;font-size:17px;font-weight:600;color:var(--ink-900)}
.rl-step p{margin-top:8px;font-size:14.5px;color:var(--text-muted)}

/* ============ 最新信息（CMS 板块） ============ */
.rl-cms{background:var(--primary-soft)}
.rl-cms .rl-section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;max-width:none}
.rl-cms-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.rl-cms-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1200px){.rl-cms-grid{grid-template-columns:repeat(3,1fr)}}
.rl-cms-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);height:100%;transition:box-shadow var(--ease),transform var(--ease)}
.rl-cms-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.rl-cms-card>a{display:flex;flex-direction:column;height:100%;color:inherit}
.rl-cms-thumb{background:var(--primary-soft)}
.rl-cms-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rl-cms-body{display:flex;flex-direction:column;gap:10px;padding:22px;flex:1}
.rl-cms-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-cms-desc{font-size:14.5px;color:var(--text-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-cms-meta{margin-top:auto;font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:6px}
.rl-cms-empty{grid-column:1/-1;background:rgba(255,255,255,.7);border:1px dashed var(--primary);border-radius:var(--radius-card);padding:48px 24px;text-align:center}
.rl-cms-empty i{font-size:26px;color:var(--primary);display:block;margin-bottom:12px}
.rl-cms-empty p{font-size:15px;color:var(--text-muted);margin-bottom:18px}

/* ============ FAQ ============ */
.rl-faq{max-width:820px}
.rl-faq details{background:#fff;border:1px solid var(--border);border-left:3px solid transparent;border-radius:12px;margin-bottom:12px;transition:box-shadow var(--ease),border-color var(--ease)}
.rl-faq details[open]{box-shadow:var(--shadow-1);border-left-color:var(--accent)}
.rl-faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 20px;font-size:17px;font-weight:600;color:var(--ink-900);cursor:pointer;list-style:none}
.rl-faq summary::-webkit-details-marker{display:none}
.rl-faq details[open] summary{color:var(--primary)}
.rl-faq summary::after{content:"+";font-size:20px;font-weight:400;line-height:1;color:var(--text-muted);transition:color var(--ease)}
.rl-faq details[open] summary::after{content:"−";color:var(--accent)}
.rl-faq .rl-faq-a{padding:0 20px 20px;font-size:15.5px;line-height:1.8;color:var(--text-muted)}

/* ============ 联系与表单 ============ */
.rl-contact-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:992px){.rl-contact-grid{grid-template-columns:5fr 7fr;align-items:start}}
.rl-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1)}
.rl-contact-item{display:flex;gap:12px;padding:15px 0;border-bottom:1px dashed var(--border);font-size:14.5px;color:var(--text-muted)}
.rl-contact-item:last-of-type{border-bottom:none}
.rl-contact-item i{color:var(--primary);width:18px;text-align:center;margin-top:5px}
.rl-contact-item b{display:block;color:var(--ink-900);font-weight:600;font-size:15px}
.rl-field{margin-bottom:18px}
.rl-field label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:6px}
.rl-field input,.rl-field select,.rl-field textarea{
  width:100%;background:#fff;border:1px solid var(--border);border-radius:var(--radius-input);
  padding:11px 14px;font-size:15px;color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.rl-field textarea{resize:vertical;min-height:110px}
.rl-field input:focus,.rl-field select:focus,.rl-field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,92,85,.14)}
.rl-field .rl-error{display:none;margin-top:6px;font-size:13px;color:var(--danger)}
.rl-form-note{font-size:13px;color:var(--text-muted);margin-top:4px}
.rl-form-ok{display:none;margin-top:16px;background:var(--primary-soft);color:var(--primary-dark);border-radius:10px;padding:12px 16px;font-size:14.5px}

/* ============ 页脚 ============ */
.rl-footer{position:relative;background:var(--ink-900);color:rgba(255,255,255,.66);padding:56px 0 0;overflow:hidden}
.rl-footer::after{
  content:"";position:absolute;right:-40px;bottom:-50px;width:280px;height:280px;
  background-image:radial-gradient(circle,rgba(255,255,255,.16) 1.5px,transparent 1.6px);
  background-size:22px 22px;
  -webkit-mask-image:radial-gradient(circle at 60% 40%,#000 0%,transparent 70%);
  mask-image:radial-gradient(circle at 60% 40%,#000 0%,transparent 70%);
  pointer-events:none;
}
.rl-footer .rl-container{position:relative;z-index:1}
.rl-footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:768px){.rl-footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1200px){.rl-footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.rl-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.rl-footer a{display:block;font-size:14px;color:rgba(255,255,255,.66);padding:6px 0}
.rl-footer a:hover{color:#fff;text-decoration:underline}
.rl-footer-brand{display:flex;flex-direction:column;gap:12px}
.rl-footer-brand .rl-brand-line{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:600}
.rl-footer-brand .rl-mark i{background:rgba(255,255,255,.16)}
.rl-footer-brand .rl-mark i:nth-child(1),
.rl-footer-brand .rl-mark i:nth-child(5),
.rl-footer-brand .rl-mark i:nth-child(9){background:var(--accent)}
.rl-footer-brand p{font-size:14px;color:rgba(255,255,255,.55);max-width:280px}
.rl-footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:13px;color:rgba(255,255,255,.45);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}
.rl-footer-bottom span{display:block}

/* roulang page: category1 */
:root{
  --ink-900:#0C1A1C;
  --ink-700:#17343A;
  --primary:#0E5C55;
  --primary-dark:#0A4A45;
  --primary-soft:#E4F0ED;
  --accent:#FF7A45;
  --bg:#FBFBF8;
  --surface:#FFFFFF;
  --border:#DCE5E2;
  --text:#1B2A2C;
  --text-muted:#5A6B6C;
  --danger:#C2410C;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(12,26,28,.04), 0 8px 24px rgba(12,26,28,.06);
  --sh-2:0 2px 4px rgba(12,26,28,.06), 0 14px 32px rgba(12,26,28,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --sidebar-w:236px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-left:var(--sidebar-w);
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover;background:var(--primary-soft);}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease);}
a:hover{color:var(--primary-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.32;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(14,92,85,.28);outline-offset:2px;border-radius:6px;}

/* ---------- 布局容器 ---------- */
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.rl-container{max-width:1320px;}}
.rl-section{padding:88px 0;}
.rl-section--tight{padding:64px 0;}
.rl-section-title{margin-bottom:32px;}
.rl-section-title h2{font-size:30px;color:var(--ink-900);display:inline-block;position:relative;padding-left:16px;}
.rl-section-title h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--accent);}
.rl-section-title p{margin-top:10px;color:var(--text-muted);font-size:15px;}
.rl-kicker{display:inline-block;font-size:13px;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:5px 12px;margin-bottom:12px;}

/* ---------- 左侧竖向导航 ---------- */
.rl-sidebar{
  position:fixed;left:0;top:0;width:var(--sidebar-w);height:100vh;
  background:linear-gradient(180deg,#0C1A1C 0%,#123B38 100%);
  display:flex;flex-direction:column;padding:26px 18px 20px;z-index:1040;
}
.rl-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;padding:6px 8px 22px;}
.rl-mark{display:grid;grid-template-columns:repeat(3,4px);gap:3px;place-content:center;width:20px;height:20px;flex:0 0 auto;}
.rl-mark i{display:block;width:4px;height:4px;border-radius:1px;background:rgba(255,255,255,.26);}
.rl-mark i:nth-child(1),.rl-mark i:nth-child(5),.rl-mark i:nth-child(9){background:var(--accent);}
.rl-nav{display:flex;flex-direction:column;gap:6px;margin-top:4px;}
.rl-nav-item{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
  border-radius:10px;color:rgba(255,255,255,.74);font-size:14px;line-height:1.2;
  transition:background var(--ease),color var(--ease);
}
.rl-nav-item i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.48);transition:color var(--ease);}
.rl-nav-item:hover{background:rgba(255,255,255,.08);color:#fff;}
.rl-nav-item:hover i{color:rgba(255,255,255,.8);}
.rl-nav-item.active{background:rgba(255,255,255,.08);color:#fff;font-weight:500;}
.rl-nav-item.active i{color:#fff;}
.rl-nav-item.active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--accent);}
.rl-side-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.09);font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.9;}
.rl-side-foot a{color:rgba(255,255,255,.62);display:block;}
.rl-side-foot a:hover{color:#fff;text-decoration:underline;}

/* ---------- 移动端顶栏 ---------- */
.rl-topbar{
  display:none;position:sticky;top:0;z-index:1050;height:60px;
  background:#fff;border-bottom:1px solid var(--border);align-items:center;justify-content:space-between;padding:0 18px;
}
.rl-topbar .rl-logo{display:flex;align-items:center;gap:9px;color:var(--ink-900);font-weight:600;font-size:16px;}
.rl-topbar .rl-mark i{background:rgba(14,92,85,.22);}
.rl-burger{width:42px;height:42px;border:1px solid var(--border);background:#fff;border-radius:10px;color:var(--ink-900);display:grid;place-items:center;font-size:16px;}
.rl-drawer{
  position:fixed;left:0;right:0;top:60px;bottom:0;background:#fff;z-index:1049;
  padding:18px 20px 32px;overflow:auto;
  transform:translateY(-10px);opacity:0;visibility:hidden;
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.rl-drawer.open{transform:none;opacity:1;visibility:visible;}
.rl-drawer a.rl-drawer-item{
  position:relative;display:flex;align-items:center;gap:10px;height:52px;font-size:17px;color:var(--text);
  border-bottom:1px solid var(--border);
}
.rl-drawer a.rl-drawer-item i{color:var(--text-muted);width:20px;text-align:center;font-size:15px;}
.rl-drawer a.rl-drawer-item.active{color:var(--primary);font-weight:600;padding-left:12px;}
.rl-drawer a.rl-drawer-item.active::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--accent);}
.rl-drawer a.rl-drawer-item.active i{color:var(--primary);}
.rl-drawer-cta{margin-top:22px;width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:500;
  border:1px solid transparent;cursor:pointer;transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.rl-btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.rl-btn-primary:hover{background:#F26A34;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.rl-btn-primary:active{transform:none;box-shadow:var(--sh-1);}
.rl-btn-ghost{background:#fff;border-color:var(--border);color:var(--primary);}
.rl-btn-ghost:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-dark);}
.rl-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--primary);}
.rl-link-arrow i{transition:transform var(--ease);font-size:12px;}
.rl-link-arrow:hover i{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.rl-badge{display:inline-block;font-size:13px;line-height:1.6;padding:3px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);}
.rl-badge--accent{background:#FFEFE7;color:#C2410C;}

/* ---------- 页头 ---------- */
.rl-pagehead{padding:44px 0 0;}
.rl-breadcrumb{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap;}
.rl-breadcrumb a{color:var(--text-muted);}
.rl-breadcrumb a:hover{color:var(--primary);}
.rl-breadcrumb .current{color:var(--primary);}
.rl-pagehead h1{font-size:44px;color:var(--ink-900);max-width:900px;}
.rl-lead{margin-top:16px;font-size:17px;color:var(--text-muted);max-width:760px;}
.rl-pagehead-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}
.rl-banner{margin:34px 0 0;aspect-ratio:21/9;overflow:hidden;border-radius:var(--r-img);box-shadow:var(--sh-1);}
.rl-banner img{width:100%;height:100%;}

/* ---------- 时间轴 ---------- */
.rl-steps-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start;}
.rl-timeline{position:relative;padding-left:56px;}
.rl-timeline::before{content:"";position:absolute;left:18px;top:12px;bottom:12px;width:2px;background:var(--primary-soft);}
.rl-step{position:relative;padding-bottom:26px;}
.rl-step:last-child{padding-bottom:0;}
.rl-step-dot{
  position:absolute;left:-56px;top:0;width:38px;height:38px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);color:var(--primary);
  display:grid;place-items:center;font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;
}
.rl-step-body{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease);}
.rl-step-body:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.rl-step-body h3{font-size:20px;color:var(--ink-900);margin-bottom:8px;}
.rl-step-body p{color:var(--text-muted);font-size:15.5px;}
.rl-step-body .rl-step-tags{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- 提示卡 ---------- */
.rl-tip-card{
  position:sticky;top:32px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
}
.rl-tip-card img{width:100%;height:168px;border-radius:0;}
.rl-tip-inner{padding:22px 22px 24px;}
.rl-tip-inner h3{font-size:18px;color:var(--ink-900);margin-bottom:12px;}
.rl-tip-list{display:flex;flex-direction:column;gap:12px;}
.rl-tip-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-muted);line-height:1.7;}
.rl-tip-list li i{color:var(--primary);font-size:13px;margin-top:6px;}
.rl-tip-inner .rl-btn{margin-top:20px;width:100%;}

/* ---------- 准备清单 ---------- */
.rl-prep-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px;height:100%;box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease);
}
.rl-prep-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.rl-prep-icon{width:40px;height:40px;border-radius:11px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:16px;margin-bottom:14px;}
.rl-prep-card h3{font-size:17px;color:var(--ink-900);margin-bottom:8px;}
.rl-prep-card p{font-size:14.5px;color:var(--text-muted);}
.rl-prep-side{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;}
.rl-prep-side img{width:100%;height:210px;border-radius:0;}
.rl-prep-side .inner{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rl-prep-side h3{font-size:18px;color:var(--ink-900);}
.rl-prep-side p{font-size:14.5px;color:var(--text-muted);}
.rl-prep-side .rl-btn{margin-top:auto;}

/* ---------- 深色数据条 ---------- */
.rl-stats{background:var(--ink-900);padding:64px 0;}
.rl-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.rl-stat-num{font-size:40px;font-weight:600;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums;font-family:Inter,"HarmonyOS Sans SC",system-ui,sans-serif;}
.rl-stat-label{margin-top:10px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.7;}

/* ---------- 提示语对照 ---------- */
.rl-note-row{
  background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--primary);
  border-radius:12px;padding:18px 22px;display:grid;grid-template-columns:200px minmax(0,1fr) auto;
  gap:18px;align-items:center;transition:box-shadow var(--ease),transform var(--ease);
}
.rl-note-row + .rl-note-row{margin-top:14px;}
.rl-note-row:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.rl-note-code{font-size:14px;font-weight:600;color:var(--primary);font-variant-numeric:tabular-nums;}
.rl-note-text{font-size:15px;color:var(--text-muted);}
.rl-note-action{font-size:14px;color:var(--ink-900);white-space:nowrap;}

/* ---------- 转化条 ---------- */
.rl-cta{background:var(--primary-soft);padding:56px 0;}
.rl-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.rl-cta-inner h2{font-size:26px;color:var(--ink-900);}
.rl-cta-inner p{margin-top:8px;color:var(--text-muted);font-size:15.5px;max-width:620px;}

/* ---------- 页脚 ---------- */
.rl-footer{background:var(--ink-900);padding:56px 0 0;margin-top:0;}
.rl-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.rl-footer-brand .rl-brand-line{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;margin-bottom:14px;}
.rl-footer-brand p{font-size:14px;color:rgba(255,255,255,.56);line-height:1.85;max-width:320px;}
.rl-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.rl-footer-grid a{display:block;font-size:14px;color:rgba(255,255,255,.6);line-height:2.1;}
.rl-footer-grid a:hover{color:#fff;text-decoration:underline;}
.rl-footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.46);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .rl-steps-layout{grid-template-columns:minmax(0,1fr) 300px;gap:28px;}
  .rl-note-row{grid-template-columns:180px minmax(0,1fr);}
  .rl-note-action{grid-column:2;white-space:normal;color:var(--primary);}
}
@media (max-width:991.98px){
  body{padding-left:0;}
  .rl-sidebar{display:none;}
  .rl-topbar{display:flex;}
  .rl-pagehead{padding-top:32px;}
  .rl-pagehead h1{font-size:30px;}
  .rl-lead{font-size:15.5px;}
  .rl-section{padding:56px 0;}
  .rl-section-title h2{font-size:23px;}
  .rl-steps-layout{grid-template-columns:minmax(0,1fr);}
  .rl-tip-card{position:static;}
  .rl-stats{padding:48px 0;}
  .rl-stats-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .rl-banner{aspect-ratio:16/9;}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575.98px){
  .rl-container{padding:0 18px;}
  .rl-pagehead h1{font-size:26px;}
  .rl-pagehead-actions .rl-btn{width:100%;}
  .rl-timeline{padding-left:44px;}
  .rl-timeline::before{left:14px;}
  .rl-step-dot{left:-44px;width:30px;height:30px;font-size:12.5px;}
  .rl-note-row{grid-template-columns:minmax(0,1fr);gap:8px;}
  .rl-note-action{grid-column:1;}
  .rl-cta-inner .rl-btn{width:100%;}
  .rl-footer-grid{grid-template-columns:1fr;}
  .rl-stat-num{font-size:32px;}
}

/* roulang page: article */
:root{
  --ink-900:#0C1A1C;
  --ink-700:#17343A;
  --primary:#0E5C55;
  --primary-dark:#0A4A45;
  --primary-soft:#E4F0ED;
  --accent:#FF7A45;
  --bg:#FBFBF8;
  --surface:#FFFFFF;
  --border:#DCE5E2;
  --text:#1B2A2C;
  --text-muted:#5A6B6C;
  --danger:#C2410C;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --r-pill:999px;
  --sh-rest:0 1px 2px rgba(12,26,28,.04), 0 8px 24px rgba(12,26,28,.06);
  --sh-hover:0 2px 4px rgba(12,26,28,.06), 0 14px 32px rgba(12,26,28,.10);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --sidebar-w:236px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-left:var(--sidebar-w);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--ink-900);letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block;border-radius:var(--r-img)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(14,92,85,.28);outline-offset:2px}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.rl-container{max-width:1320px}}

/* ---------- 左侧竖向导航 ---------- */
.rl-sidebar{
  position:fixed;left:0;top:0;width:var(--sidebar-w);height:100vh;z-index:100;
  display:flex;flex-direction:column;padding:24px 16px 20px;overflow-y:auto;
  background:linear-gradient(180deg,#0C1A1C 0%,#123B38 100%);
}
.rl-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 22px;color:#fff;font-size:17px;font-weight:600}
.rl-mark{display:grid;grid-template-columns:repeat(3,4px);grid-template-rows:repeat(3,4px);gap:3px;flex:0 0 auto}
.rl-mark i{display:block;width:4px;height:4px;border-radius:1.5px;background:rgba(14,92,85,.22)}
.rl-mark i:nth-child(1),.rl-mark i:nth-child(5),.rl-mark i:nth-child(9){background:var(--accent)}
.rl-sidebar .rl-mark i,.rl-footer .rl-mark i{background:rgba(255,255,255,.26)}
.rl-sidebar .rl-mark i:nth-child(1),.rl-sidebar .rl-mark i:nth-child(5),.rl-sidebar .rl-mark i:nth-child(9),
.rl-footer .rl-mark i:nth-child(1),.rl-footer .rl-mark i:nth-child(5),.rl-footer .rl-mark i:nth-child(9){background:var(--accent)}
.rl-nav{display:flex;flex-direction:column;gap:6px}
.rl-nav-item{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
  border-radius:10px;font-size:14.5px;color:rgba(255,255,255,.72);
  transition:background-color var(--t),color var(--t);
}
.rl-nav-item i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.5);transition:color var(--t)}
.rl-nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.rl-nav-item:hover i{color:#fff}
.rl-nav-item.active{background:rgba(255,255,255,.08);color:#fff;font-weight:500}
.rl-nav-item.active i{color:#fff}
.rl-nav-item.active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 2px 2px 0;background:var(--accent)}
.rl-side-foot{margin-top:auto;padding:16px 8px 0;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;line-height:1.9;color:rgba(255,255,255,.5)}
.rl-side-foot a{display:block;color:rgba(255,255,255,.74)}
.rl-side-foot a:hover{color:#fff;text-decoration:underline}

/* ---------- 移动端顶部导航 ---------- */
.rl-mobile-top{
  display:none;position:sticky;top:0;z-index:90;height:60px;align-items:center;justify-content:space-between;
  padding:0 16px;background:#fff;border-bottom:1px solid var(--border);
}
.rl-mobile-brand{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:600;color:var(--ink-900)}
.rl-burger{
  width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--ink-900);cursor:pointer;
  transition:border-color var(--t),background-color var(--t);
}
.rl-burger:hover{border-color:var(--primary);background:var(--primary-soft)}
.rl-drawer{
  display:none;position:fixed;left:0;right:0;top:60px;bottom:0;z-index:88;
  background:#fff;padding:16px;overflow-y:auto;border-top:1px solid var(--border);
}
.rl-drawer.open{display:block}
.rl-drawer .rl-nav-item{height:52px;font-size:17px;color:var(--ink-900)}
.rl-drawer .rl-nav-item i{color:var(--primary)}
.rl-drawer .rl-nav-item:hover{background:var(--primary-soft);color:var(--primary)}
.rl-drawer .rl-nav-item.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.rl-drawer .rl-btn{margin-top:20px}

/* ---------- 通用按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;line-height:1.2;cursor:pointer;text-align:center;
  transition:background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.rl-btn-primary{background:var(--accent);color:#fff}
.rl-btn-primary:hover{background:#F26C36;color:#fff;transform:translateY(-1px)}
.rl-btn-primary:active{transform:translateY(0)}
.rl-btn-ghost{background:#fff;border-color:var(--border);color:var(--primary)}
.rl-btn-ghost:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}
.rl-btn-block{width:100%}

/* ---------- 面包屑 ---------- */
.rl-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:14px}
.rl-crumb a{color:var(--text-muted)}
.rl-crumb a:hover{color:var(--primary)}
.rl-crumb .sep{color:#BCC9C6}
.rl-crumb .current{color:var(--primary)}

/* ---------- 文章头部 ---------- */
.rl-main{padding:34px 0 0}
.rl-article-head{max-width:880px}
.rl-article-head h1{font-size:44px;font-weight:700;line-height:1.25;color:var(--ink-900)}
.rl-article-sub{margin-top:12px;font-size:16px;color:var(--text-muted)}
.rl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:13px;color:var(--text-muted)}
.rl-meta i{color:var(--primary);margin-right:4px}
.rl-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D3D0}
.rl-badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 13px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:500;
}

/* ---------- 文章布局 ---------- */
.rl-article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;
  align-items:start;margin-top:34px;padding-bottom:20px;
}
.rl-article-body{max-width:780px;font-size:16px;line-height:1.8;color:var(--text);word-wrap:break-word}
.rl-article-body>*:first-child{margin-top:0}
.rl-article-body p{margin:0 0 1.15em}
.rl-article-body h2{
  position:relative;margin:2em 0 .8em;padding-left:16px;
  font-size:1.5rem;font-weight:600;line-height:1.45;color:var(--ink-900);
}
.rl-article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;border-radius:2px;background:var(--accent)}
.rl-article-body h3{
  position:relative;margin:1.6em 0 .6em;padding-left:18px;
  font-size:1.15rem;font-weight:600;color:var(--primary);
}
.rl-article-body h3::before{content:"";position:absolute;left:0;top:.5em;width:8px;height:8px;border-radius:2px;background:var(--primary)}
.rl-article-body h4{margin:1.4em 0 .5em;font-size:1rem;color:var(--ink-900)}
.rl-article-body ul{margin:0 0 1.15em;padding:0;list-style:none}
.rl-article-body ul li{position:relative;padding-left:18px;margin-bottom:.45em}
.rl-article-body ul li::before{content:"";position:absolute;left:2px;top:.68em;width:6px;height:6px;border-radius:2px;background:var(--primary);opacity:.6}
.rl-article-body ol{margin:0 0 1.15em;padding-left:1.4em;list-style:decimal}
.rl-article-body ol li{margin-bottom:.45em}
.rl-article-body blockquote{
  margin:0 0 1.3em;padding:18px 22px;border-left:3px solid var(--primary);
  background:var(--primary-soft);border-radius:0 12px 12px 0;color:var(--ink-700);
}
.rl-article-body blockquote p:last-child{margin-bottom:0}
.rl-article-body table{width:100%;border-collapse:collapse;margin:0 0 1.3em;font-size:14.5px}
.rl-article-body th,.rl-article-body td{padding:11px 14px;text-align:left;border:0}
.rl-article-body thead th{background:var(--primary-soft);color:var(--ink-900);font-weight:600}
.rl-article-body tbody tr:nth-child(even){background:#F5F8F7}
.rl-article-body a{color:var(--primary);border-bottom:1px solid rgba(14,92,85,.3)}
.rl-article-body a:hover{border-bottom-color:var(--primary)}
.rl-article-body img{margin:0 0 1.3em;border-radius:var(--r-img);background:var(--primary-soft)}
.rl-article-body figure{margin:0 0 1.3em}
.rl-article-body figcaption{margin-top:8px;font-size:13px;color:var(--text-muted);text-align:center}
.rl-article-body hr{margin:2em 0;border:0;border-top:1px solid var(--border)}
.rl-article-body code{background:#F1F5F4;border-radius:6px;padding:2px 6px;font-size:.92em}
.rl-empty{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:56px 24px;background:var(--primary-soft);border:1px dashed #B9CFCB;border-radius:var(--r-card);
}
.rl-empty i{font-size:28px;color:var(--primary)}
.rl-empty p{color:var(--text-muted);font-size:15px}

/* ---------- 侧栏 ---------- */
.rl-aside{position:sticky;top:26px;display:flex;flex-direction:column;gap:20px}
.rl-aside-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-rest);
}
.rl-aside-card h3{font-size:15px;font-weight:600;padding-bottom:12px;margin-bottom:6px;border-bottom:1px solid var(--border)}
.rl-aside-link{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 0;font-size:14.5px;color:var(--text);border-bottom:1px dashed #E9EFED;
}
.rl-aside-link:last-of-type{border-bottom:0}
.rl-aside-link:hover{color:var(--primary)}
.rl-aside-link i{font-size:12px;color:var(--primary)}
.rl-aside-card p{font-size:14px;color:var(--text-muted);margin:10px 0 16px;line-height:1.8}

/* ---------- 板块 ---------- */
.rl-section{padding:64px 0 0}
.rl-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.rl-section-head h2{position:relative;padding-left:16px;font-size:30px;font-weight:600}
.rl-section-head h2::before{content:"";position:absolute;left:0;top:.26em;width:5px;height:1em;border-radius:3px;background:var(--accent)}
.rl-section-head .rl-more{font-size:14px;color:var(--primary);white-space:nowrap}
.rl-section-head .rl-more i{font-size:11px;margin-left:4px;transition:transform var(--t)}
.rl-section-head .rl-more:hover i{transform:translateX(3px)}

/* ---------- 卡片 ---------- */
.rl-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rl-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-rest);
  transition:transform var(--t),box-shadow var(--t);
}
.rl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.rl-card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--primary-soft)}
.rl-card-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;margin:0}
.rl-card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px}
.rl-card-body h3{font-size:17px;line-height:1.5}
.rl-card-body h3 a{color:var(--ink-900)}
.rl-card-body h3 a:hover{color:var(--primary)}
.rl-card-body p{font-size:14.5px;color:var(--text-muted);line-height:1.7}
.rl-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 底部操作条 ---------- */
.rl-endbar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  margin-top:64px;padding:26px 28px;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-rest);
}
.rl-endbar h3{font-size:18px;margin-bottom:6px}
.rl-endbar p{font-size:14px;color:var(--text-muted)}
.rl-endbar-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.rl-footer{margin-top:88px;padding:56px 0 0;background:var(--ink-900);color:rgba(255,255,255,.66)}
.rl-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.rl-footer-brand .rl-brand-line{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-size:18px;font-weight:600}
.rl-footer-brand p{max-width:330px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.rl-footer h4{margin-bottom:16px;font-size:14px;font-weight:600;color:#fff}
.rl-footer-grid a{display:block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.66)}
.rl-footer-grid a:hover{color:#fff;text-decoration:underline}
.rl-footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .rl-article-layout{gap:34px}
  .rl-article-head h1{font-size:38px}
}
@media (max-width:991.98px){
  body{padding-left:0}
  .rl-sidebar{display:none}
  .rl-mobile-top{display:flex}
  .rl-main{padding-top:26px}
  .rl-article-head h1{font-size:30px}
  .rl-article-layout{grid-template-columns:minmax(0,1fr);gap:34px}
  .rl-aside{position:static}
  .rl-article-body{max-width:none}
  .rl-section{padding-top:56px}
  .rl-section-head h2{font-size:23px}
  .rl-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rl-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rl-footer{margin-top:56px}
}
@media (max-width:575.98px){
  .rl-container{padding:0 18px}
  .rl-article-head h1{font-size:26px}
  .rl-card-grid{grid-template-columns:minmax(0,1fr)}
  .rl-footer-grid{grid-template-columns:minmax(0,1fr)}
  .rl-section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .rl-btn{width:100%}
  .rl-endbar{padding:20px}
  .rl-endbar-actions{width:100%}
  .rl-aside-card{padding:18px}
}

/* roulang page: category3 */
:root{
  --ink-900:#0C1A1C;
  --ink-700:#17343A;
  --primary:#0E5C55;
  --primary-dark:#0A4A45;
  --primary-soft:#E4F0ED;
  --accent:#FF7A45;
  --bg:#FBFBF8;
  --surface:#FFFFFF;
  --border:#DCE5E2;
  --text:#1B2A2C;
  --text-muted:#5A6B6C;
  --danger:#C2410C;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(12,26,28,.04), 0 8px 24px rgba(12,26,28,.06);
  --shadow-2:0 2px 4px rgba(12,26,28,.06), 0 14px 32px rgba(12,26,28,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --nav-w:236px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-left:var(--nav-w);
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
}
h1,h2,h3,h4{font-weight:700;letter-spacing:0;margin:0;color:var(--text);}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);}
a:hover{color:var(--primary-dark);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(14,92,85,.28);outline-offset:2px;}

/* ---------- 左侧竖向导航 ---------- */
.rl-nav{
  position:fixed;left:0;top:0;width:var(--nav-w);height:100vh;z-index:1040;
  background:linear-gradient(180deg,#0C1A1C 0%,#123B38 100%);
  padding:26px 16px 18px;
  display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.rl-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:16.5px;font-weight:700;
  padding:4px 8px 20px;line-height:1.3;
}
.rl-mark{display:inline-grid;grid-template-columns:repeat(3,5px);grid-template-rows:repeat(3,5px);gap:3px;flex:0 0 auto;}
.rl-mark i{display:block;width:5px;height:5px;border-radius:2px;background:rgba(255,255,255,.26);}
.rl-mark i:nth-child(1),.rl-mark i:nth-child(5){background:#2FA394;}
.rl-mark i:nth-child(9){background:var(--accent);}
.rl-mark.dark i{background:rgba(14,92,85,.22);}
.rl-mark.dark i:nth-child(1),.rl-mark.dark i:nth-child(5){background:var(--primary);}
.rl-mark.dark i:nth-child(9){background:var(--accent);}
.rl-nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  min-height:44px;padding:8px 12px;border-radius:10px;
  color:rgba(255,255,255,.72);font-size:15px;line-height:1.4;
}
.rl-nav-item i{width:18px;font-size:14px;text-align:center;flex:0 0 18px;opacity:.9;}
.rl-nav-item:hover{background:rgba(255,255,255,.08);color:#fff;}
.rl-nav-item.active{background:rgba(255,255,255,.08);color:#fff;}
.rl-nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:2px;background:var(--accent);
}
.rl-nav-foot{margin-top:auto;padding:18px 8px 0;border-top:1px solid rgba(255,255,255,.10);}
.rl-nav-foot p{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.52);margin:0 0 6px;}
.rl-nav-foot a{display:block;font-size:12.5px;color:rgba(255,255,255,.72);word-break:break-all;}
.rl-nav-foot a:hover{color:#fff;}

/* ---------- 移动端导航 ---------- */
.rl-mobile-bar{display:none;}
.rl-drawer{display:none;}
.rl-burger{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--border);background:#fff;
  color:var(--primary);font-size:17px;display:inline-flex;align-items:center;justify-content:center;
}

/* ---------- 容器 ---------- */
.rl-main{max-width:1200px;margin:0 auto;padding:34px 24px 0;}
.rl-section{margin-top:88px;}
.rl-section:first-of-type{margin-top:56px;}

/* ---------- 面包屑 ---------- */
.rl-crumb{font-size:13px;color:var(--text-muted);margin-bottom:14px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.rl-crumb a{color:var(--text-muted);}
.rl-crumb a:hover{color:var(--primary);}
.rl-crumb span.sep{color:#B9C7C4;}
.rl-crumb span.current{color:var(--primary);font-weight:500;}

/* ---------- 页头 ---------- */
.rl-hero{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  aspect-ratio:21/9;min-height:330px;
  display:flex;align-items:flex-end;
  padding:48px;
  isolation:isolate;
}
.rl-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(90deg,rgba(12,26,28,.90) 0%,rgba(12,26,28,.62) 58%,rgba(12,26,28,.34) 100%);
}
.rl-hero-inner{position:relative;z-index:2;max-width:640px;color:#fff;}
.rl-hero h1{color:#fff;font-size:40px;line-height:1.3;margin-bottom:14px;}
.rl-hero-sub{font-size:16.5px;color:rgba(255,255,255,.86);margin-bottom:22px;max-width:560px;}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.rl-hero .rl-dots{
  position:absolute;right:34px;top:30px;z-index:2;
  display:grid;grid-template-columns:repeat(3,8px);grid-template-rows:repeat(3,8px);gap:6px;opacity:.5;
}
.rl-hero .rl-dots i{display:block;width:8px;height:8px;border-radius:2px;background:rgba(255,255,255,.55);}
.rl-hero .rl-dots i:nth-child(5){background:rgba(255,122,69,.95);}
.rl-hero .rl-dots i:nth-child(1){background:rgba(47,163,148,.95);}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1.2;border:1px solid transparent;
  cursor:pointer;text-align:center;
}
.rl-btn-primary{background:var(--accent);color:#fff;}
.rl-btn-primary:hover{background:#F26B36;color:#fff;transform:translateY(-1px);}
.rl-btn-primary:active{transform:none;}
.rl-btn-ghost{background:#fff;color:var(--primary);border-color:var(--border);}
.rl-btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-dark);}
.rl-btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.rl-btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.rl-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:500;color:var(--primary);}
.rl-link-arrow i{transition:transform var(--ease);font-size:12px;}
.rl-link-arrow:hover i{transform:translateX(2px);}

/* ---------- 板块标题 ---------- */
.rl-section-head{margin-bottom:30px;max-width:760px;}
.rl-h2{font-size:29px;line-height:1.35;position:relative;padding-left:16px;}
.rl-h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent);}
.rl-sub{margin-top:12px;color:var(--text-muted);font-size:15.5px;}
.rl-section-head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;max-width:none;}

/* ---------- 速查 chips ---------- */
.rl-chips{display:flex;flex-wrap:wrap;gap:10px;}
.rl-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;font-size:14.5px;
  background:var(--surface);border:1px solid var(--border);color:var(--text);
  box-shadow:var(--shadow-1);
}
.rl-chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.rl-chip i{font-size:13px;color:var(--primary);}
.rl-lead{margin-top:22px;color:var(--text-muted);font-size:15.5px;max-width:780px;}

/* ---------- FAQ ---------- */
.rl-faq-wrap{max-width:860px;}
.rl-faq-group{margin-bottom:38px;}
.rl-faq-group:last-child{margin-bottom:0;}
.rl-faq-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:19px;margin-bottom:16px;color:var(--ink-900);
}
.rl-faq-group-title i{color:var(--primary);font-size:16px;}
.rl-faq-group-title span{font-size:13px;font-weight:400;color:var(--text-muted);}
.rl-faq-item{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.rl-faq-item:hover{border-color:#C4D6D2;}
.rl-faq-item.open{border-color:rgba(14,92,85,.38);box-shadow:var(--shadow-1);}
.rl-faq-item.open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);}
.rl-faq-q{
  width:100%;background:none;border:0;padding:18px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--text);text-align:left;cursor:pointer;
  transition:color var(--ease);
}
.rl-faq-item.open .rl-faq-q{color:var(--primary);}
.rl-faq-q i{font-size:13px;color:var(--text-muted);flex:0 0 auto;transition:transform var(--ease),color var(--ease);}
.rl-faq-item.open .rl-faq-q i{transform:rotate(180deg);color:var(--primary);}
.rl-faq-a{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.2,.7,.3,1);}
.rl-faq-a-inner{padding:0 20px 20px;font-size:15.5px;line-height:1.8;color:var(--text-muted);}
.rl-faq-a-inner strong{color:var(--text);font-weight:600;}

/* ---------- 支持卡片 ---------- */
.rl-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px;height:100%;box-shadow:var(--shadow-1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.rl-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.rl-card-icon{
  width:44px;height:44px;border-radius:12px;background:var(--primary-soft);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.rl-card-title{font-size:18.5px;margin-bottom:10px;}
.rl-card-text{color:var(--text-muted);font-size:15px;margin-bottom:16px;}
.rl-meta-list{list-style:none;padding:0;margin:0 0 18px;}
.rl-meta-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text);padding:7px 0;border-bottom:1px dashed var(--border);}
.rl-meta-list li:last-child{border-bottom:0;}
.rl-meta-list li i{color:var(--primary);font-size:13px;margin-top:5px;}
.rl-note{
  margin-top:24px;background:var(--primary-soft);border-radius:14px;padding:18px 22px;
  font-size:14.8px;color:var(--ink-700);display:flex;gap:12px;align-items:flex-start;
}
.rl-note i{color:var(--primary);margin-top:4px;}
.rl-note-warn{background:#FFF3EC;color:#7A3211;border:1px solid #FBD8C6;}
.rl-note-warn i{color:var(--accent);}

/* ---------- 提交信息清单 ---------- */
.rl-list-num{list-style:none;counter-reset:rl;padding:0;margin:0;}
.rl-list-num li{
  counter-increment:rl;position:relative;padding:0 0 20px 46px;
  font-size:15.5px;color:var(--text);
}
.rl-list-num li::before{
  content:counter(rl,decimal-leading-zero);
  position:absolute;left:0;top:1px;
  width:30px;height:30px;border-radius:9px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.rl-list-num li:last-child{padding-bottom:0;}
.rl-list-num li span{display:block;color:var(--text-muted);font-size:14.5px;margin-top:2px;}
.rl-aside-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);height:100%;
}
.rl-aside-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.rl-aside-body{padding:22px 24px 26px;}
.rl-aside-body h3{font-size:17.5px;margin-bottom:10px;}
.rl-aside-body p{font-size:14.8px;color:var(--text-muted);}
.rl-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary-soft);color:var(--primary);
  border-radius:999px;padding:5px 13px;font-size:13px;font-weight:500;
}
.rl-badge.on-dark{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- 数据条 / CTA ---------- */
.rl-cta{
  background:var(--ink-900);border-radius:var(--radius-card);
  padding:44px 46px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.rl-cta-text h2{color:#fff;font-size:25px;margin-bottom:10px;}
.rl-cta-text p{color:rgba(255,255,255,.7);font-size:15px;margin:0;max-width:620px;}
.rl-cta .rl-dots{
  position:absolute;left:26px;bottom:14px;display:grid;
  grid-template-columns:repeat(3,7px);grid-template-rows:repeat(3,7px);gap:5px;opacity:.4;
}
.rl-cta .rl-dots i{display:block;width:7px;height:7px;border-radius:2px;background:rgba(255,255,255,.45);}
.rl-cta .rl-dots i:nth-child(3){background:var(--accent);}

/* ---------- 页脚 ---------- */
.rl-footer{margin-top:96px;background:var(--ink-900);color:rgba(255,255,255,.7);padding:56px 0 26px;position:relative;overflow:hidden;}
.rl-footer .rl-container{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:2;}
.rl-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.rl-footer-brand .rl-brand-line{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;}
.rl-footer-brand p{font-size:14px;color:rgba(255,255,255,.6);max-width:330px;}
.rl-footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600;}
.rl-footer-grid a{display:block;color:rgba(255,255,255,.66);font-size:14px;padding:5px 0;word-break:break-all;}
.rl-footer-grid a:hover{color:#fff;text-decoration:underline;}
.rl-footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.rl-footer::after{
  content:"";position:absolute;right:36px;bottom:72px;width:72px;height:72px;opacity:.08;
  background-image:radial-gradient(circle,#fff 2px,transparent 2.6px);
  background-size:24px 24px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--nav-w:198px;}
  .rl-hero h1{font-size:34px;}
}
@media (max-width:991.98px){
  body{padding-left:0;padding-top:60px;}
  .rl-nav{display:none;}
  .rl-mobile-bar{
    display:flex;position:fixed;top:0;left:0;right:0;height:60px;z-index:1050;
    background:#fff;border-bottom:1px solid var(--border);
    align-items:center;justify-content:space-between;padding:0 16px;
  }
  .rl-mobile-logo{display:flex;align-items:center;gap:9px;font-size:15.5px;font-weight:700;color:var(--text);}
  .rl-drawer{
    display:block;position:fixed;top:60px;left:0;right:0;bottom:0;z-index:1040;
    background:#fff;padding:18px 16px 28px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  }
  .rl-drawer.open{opacity:1;visibility:visible;transform:none;}
  .rl-drawer-item{
    position:relative;display:flex;align-items:center;gap:12px;
    min-height:52px;padding:0 12px;border-radius:10px;
    font-size:17px;color:var(--text);
  }
  .rl-drawer-item:hover{background:var(--primary-soft);}
  .rl-drawer-item.active{color:var(--primary);background:var(--primary-soft);font-weight:600;}
  .rl-drawer-item.active::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:24px;border-radius:2px;background:var(--accent);}
  .rl-drawer-cta{display:flex;justify-content:center;width:100%;margin-top:20px;}
  .rl-main{padding:24px 18px 0;}
  .rl-section{margin-top:56px;}
  .rl-section:first-of-type{margin-top:36px;}
  .rl-hero{aspect-ratio:auto;padding:32px 24px;min-height:280px;}
  .rl-hero h1{font-size:28px;}
  .rl-hero .rl-dots{display:none;}
  .rl-h2{font-size:23px;}
  .rl-cta{padding:32px 26px;}
  .rl-cta-text h2{font-size:21px;}
  .rl-footer{margin-top:64px;padding-top:44px;}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .rl-hero{padding:26px 18px;min-height:250px;border-radius:14px;}
  .rl-hero h1{font-size:24px;}
  .rl-hero-sub{font-size:15px;}
  .rl-hero-actions{width:100%;}
  .rl-btn{width:100%;}
  .rl-footer-grid{grid-template-columns:1fr;}
  .rl-footer-bottom{flex-direction:column;gap:6px;}
  .rl-card{padding:20px;}
  .rl-cta{border-radius:14px;}
  .rl-faq-q{font-size:16px;padding:16px;}
  .rl-faq-a-inner{padding:0 16px 16px;font-size:15px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#0C1A1C;
  --ink-800:#123B38;
  --ink-700:#17343A;
  --primary:#0E5C55;
  --primary-dark:#0A4A45;
  --primary-soft:#E4F0ED;
  --accent:#FF7A45;
  --bg:#FBFBF8;
  --surface:#FFFFFF;
  --border:#DCE5E2;
  --text:#1B2A2C;
  --text-muted:#5A6B6C;
  --danger:#C2410C;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --radius-input:10px;
  --shadow-rest:0 1px 2px rgba(12,26,28,.04),0 8px 24px rgba(12,26,28,.06);
  --shadow-hover:0 2px 4px rgba(12,26,28,.06),0 14px 32px rgba(12,26,28,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --sidebar-w:236px;
  --maxw:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease)}
a:hover{color:var(--primary-dark)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:0;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,92,85,.28);outline-offset:2px;border-radius:6px}

/* ---------- 容器与布局 ---------- */
.rl-container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.rl-section{padding:88px 0}
.rl-section--tight{padding:64px 0}
.rl-section-head{max-width:760px;margin-bottom:40px}
.rl-section-head h2{font-size:30px;position:relative;padding-left:14px;margin-bottom:14px}
.rl-section-head h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--accent)}
.rl-section-head p{color:var(--text-muted);font-size:15.5px}
.rl-eyebrow{display:inline-block;font-size:13px;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px}

/* ---------- 左侧竖向导航 ---------- */
.rl-sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:linear-gradient(180deg,var(--ink-900) 0%,var(--ink-800) 100%);
  display:none;flex-direction:column;padding:24px 16px 20px;z-index:1040;
}
.rl-brand{display:flex;align-items:center;gap:10px;padding:6px 8px 0;color:#fff;font-size:17px;font-weight:600;line-height:1.3}
.rl-mark{width:26px;height:26px;flex:0 0 26px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:3px}
.rl-mark i{display:block;border-radius:2px;background:rgba(255,255,255,.18)}
.rl-mark i:nth-child(1),.rl-mark i:nth-child(5),.rl-mark i:nth-child(9){background:#7FD8CB}
.rl-nav{display:flex;flex-direction:column;gap:6px;margin-top:28px}
.rl-nav-item{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border-radius:10px;
  color:rgba(255,255,255,.72);font-size:15px;position:relative;
  transition:background var(--ease),color var(--ease);
}
.rl-nav-item i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.55);transition:color var(--ease)}
.rl-nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.rl-nav-item:hover i{color:#fff}
.rl-nav-item.active{background:rgba(255,255,255,.08);color:#fff;font-weight:500}
.rl-nav-item.active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--accent)}
.rl-nav-item.active i{color:#7FD8CB}
.rl-sidebar-foot{margin-top:auto;padding:16px 8px 0;border-top:1px solid rgba(255,255,255,.08);color:rgba(255,255,255,.5);font-size:12.5px;line-height:1.8}
.rl-sidebar-foot a{color:rgba(255,255,255,.62);display:block}
.rl-sidebar-foot a:hover{color:#fff}

/* ---------- 移动端顶栏 ---------- */
.rl-topbar{
  position:sticky;top:0;z-index:1050;background:#fff;border-bottom:1px solid var(--border);
  height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;
}
.rl-topbar .rl-brand{color:var(--ink-900);padding:0;font-size:16px}
.rl-topbar .rl-mark i{background:rgba(12,26,28,.14)}
.rl-topbar .rl-mark i:nth-child(1),.rl-topbar .rl-mark i:nth-child(5),.rl-topbar .rl-mark i:nth-child(9){background:var(--primary)}
.rl-burger{width:42px;height:42px;border:1px solid var(--border);background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--ink-900)}
.rl-drawer{
  position:fixed;inset:60px 0 0 0;background:#fff;z-index:1045;padding:16px;
  display:none;flex-direction:column;gap:6px;overflow-y:auto;
}
.rl-drawer.open{display:flex}
.rl-drawer a.rl-drawer-item{
  height:52px;display:flex;align-items:center;gap:12px;padding:0 14px;border-radius:10px;
  font-size:17px;color:var(--text);transition:background var(--ease),color var(--ease);
}
.rl-drawer a.rl-drawer-item.active{color:var(--primary);background:var(--primary-soft);position:relative}
.rl-drawer a.rl-drawer-item.active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--accent)}
.rl-drawer .rl-btn{margin-top:14px;width:100%;justify-content:center}

@media (min-width:992px){
  body{padding-left:var(--sidebar-w)}
  .rl-sidebar{display:flex}
  .rl-topbar{display:none}
  .rl-drawer{display:none !important}
}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;gap:8px;border-radius:var(--radius-btn);
  padding:12px 22px;font-size:15px;font-weight:500;border:1px solid transparent;
  cursor:pointer;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.rl-btn-primary{background:var(--accent);color:#fff}
.rl-btn-primary:hover{background:#f0692f;color:#fff;transform:translateY(-1px)}
.rl-btn-primary:active{transform:translateY(0)}
.rl-btn-ghost{background:#fff;color:var(--primary);border-color:var(--border)}
.rl-btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-dark)}
.rl-btn-solid{background:var(--primary);color:#fff}
.rl-btn-solid:hover{background:var(--primary-dark);color:#fff}
.rl-btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:500;font-size:15px;background:none;border:none;padding:0}
.rl-btn-text i{transition:transform var(--ease)}
.rl-btn-text:hover i{transform:translateX(2px)}

/* ---------- 徽章 / 标签 ---------- */
.rl-badge{display:inline-block;background:var(--primary-soft);color:var(--primary);font-size:13px;padding:3px 12px;border-radius:999px;line-height:1.7}
.rl-badge--warn{background:#FFF1E8;color:#B5461A}
.rl-badge--ink{background:rgba(255,255,255,.12);color:#8FE0D3}

/* ---------- 面包屑 ---------- */
.rl-crumb{font-size:13px;color:var(--text-muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px}
.rl-crumb a{color:var(--text-muted)}
.rl-crumb a:hover{color:var(--primary)}
.rl-crumb span.sep{color:#B6C4C2}
.rl-crumb .current{color:var(--primary)}

/* ---------- 页头区 ---------- */
.rl-pagehead{padding:56px 0 0}
.rl-pagehead h1{font-size:44px;line-height:1.24;margin-bottom:16px;max-width:900px}
.rl-pagehead .rl-lead{color:var(--text-muted);font-size:16px;max-width:720px}
.rl-pagehead-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.rl-banner{
  margin-top:40px;border-radius:var(--radius-img);overflow:hidden;position:relative;
  background:linear-gradient(120deg,var(--ink-900) 0%,var(--ink-800) 100%);
}
.rl-banner img{width:100%;height:340px;object-fit:cover;opacity:.5}
.rl-banner-caption{
  position:absolute;left:0;right:0;bottom:0;padding:24px;
  background:linear-gradient(180deg,rgba(12,26,28,0) 0%,rgba(12,26,28,.86) 100%);
  color:#fff;
}
.rl-banner-caption strong{display:block;font-size:20px;font-weight:600;margin-bottom:4px}
.rl-banner-caption span{font-size:14px;color:rgba(255,255,255,.78)}

/* ---------- 警示条 ---------- */
.rl-alertbar{
  margin-top:32px;display:flex;gap:16px;align-items:flex-start;
  background:#FFF6F1;border:1px solid #FFD9C4;border-left:4px solid var(--accent);
  border-radius:12px;padding:20px 24px;
}
.rl-alertbar i{color:var(--accent);font-size:20px;line-height:1.5}
.rl-alertbar strong{display:block;font-size:16px;margin-bottom:4px;color:#8F3A12}
.rl-alertbar p{font-size:15px;color:#8A4A28;line-height:1.75}

/* ---------- 要点卡矩阵 ---------- */
.rl-matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.rl-mcard{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-rest);transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.rl-mcard:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#C9DAD6}
.rl-mcard-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.rl-iconbox{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;background:var(--primary-soft);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:16px;
}
.rl-mcard h3{font-size:17px}
.rl-mcard p{color:var(--text-muted);font-size:15px;margin-bottom:12px}
.rl-mcard .rl-btn-text{font-size:14px}

/* ---------- 流程步骤 ---------- */
.rl-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative;margin-top:8px}
.rl-step{position:relative;padding-top:8px}
.rl-step-num{
  width:36px;height:36px;border-radius:50%;background:#fff;border:1px solid var(--primary);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.rl-step h3{font-size:17px;margin-bottom:8px}
.rl-step p{font-size:15px;color:var(--text-muted)}
.rl-step::after{content:"";position:absolute;top:26px;left:48px;right:-24px;height:1px;background:var(--border)}
.rl-steps .rl-step:last-child::after{display:none}

/* ---------- 图文分栏 ---------- */
.rl-split{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center}
.rl-split img{border-radius:var(--radius-img);height:360px;width:100%;object-fit:cover}
.rl-checklist li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--border);font-size:15.5px;color:var(--text-muted)}
.rl-checklist li:last-child{border-bottom:none}
.rl-checklist li i{color:var(--primary);margin-top:.35em}

/* ---------- 深色数据条 ---------- */
.rl-statbar{background:var(--ink-900);color:#fff;padding:64px 0}
.rl-statbar-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
.rl-stat .num{font-size:40px;font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2}
.rl-stat .lbl{font-size:14px;color:rgba(255,255,255,.66);margin-top:6px}

/* ---------- 场景卡 ---------- */
.rl-scene{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rl-scard{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-rest);transition:box-shadow var(--ease),transform var(--ease);
}
.rl-scard:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.rl-scard img{height:200px;width:100%;object-fit:cover}
.rl-scard-body{padding:24px}
.rl-scard-body h3{font-size:17px;margin:12px 0 8px}
.rl-scard-body p{font-size:15px;color:var(--text-muted)}
.rl-scene .rl-scard:nth-child(2){transform:translateY(-24px)}
.rl-scene .rl-scard:nth-child(2):hover{transform:translateY(-26px)}

/* ---------- FAQ ---------- */
.rl-faq{max-width:820px}
.rl-faq .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden;
}
.rl-faq .accordion-button{
  background:#fff;color:var(--text);font-size:17px;font-weight:600;padding:20px 22px;
  box-shadow:none;border-radius:12px;
}
.rl-faq .accordion-button:not(.collapsed){color:var(--primary);background:#fff;box-shadow:inset 3px 0 0 var(--accent)}
.rl-faq .accordion-button:focus{box-shadow:none;border-color:var(--border)}
.rl-faq .accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--primary);width:auto;height:auto;transform:none;
  transition:transform var(--ease),color var(--ease);
}
.rl-faq .accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg)}
.rl-faq .accordion-body{padding:0 22px 22px;color:var(--text-muted);font-size:15.5px;line-height:1.8}

/* ---------- CTA ---------- */
.rl-cta{
  background:var(--primary-soft);border:1px solid #CFE3DF;border-radius:var(--radius-card);
  padding:40px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
.rl-cta h2{font-size:23px;margin-bottom:6px}
.rl-cta p{color:var(--text-muted);font-size:15px}

/* ---------- 页脚 ---------- */
.rl-footer{background:var(--ink-900);color:rgba(255,255,255,.66);padding:56px 0 24px;margin-top:0}
.rl-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.rl-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.rl-footer a{display:block;color:rgba(255,255,255,.64);font-size:14.5px;margin-bottom:10px}
.rl-footer a:hover{color:#fff;text-decoration:underline}
.rl-footer-brand .rl-brand-line{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;margin-bottom:12px}
.rl-footer-brand p{font-size:14.5px;line-height:1.8;max-width:320px;color:rgba(255,255,255,.6)}
.rl-footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 点阵装饰 ---------- */
.rl-dots{
  position:absolute;width:132px;height:132px;opacity:.08;pointer-events:none;
  background-image:radial-gradient(currentColor 2px,transparent 2px);
  background-size:16px 16px;color:var(--primary);
}

/* ---------- 滚动显现 ---------- */
.rl-reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.rl-reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .rl-split{grid-template-columns:1fr;gap:28px}
  .rl-split img{height:300px}
}
@media (max-width:991.98px){
  .rl-pagehead{padding-top:32px}
  .rl-pagehead h1{font-size:30px}
  .rl-section{padding:56px 0}
  .rl-section--tight{padding:44px 0}
  .rl-section-head h2{font-size:23px}
  .rl-matrix{grid-template-columns:1fr}
  .rl-steps{grid-template-columns:1fr;gap:0}
  .rl-step{padding:0 0 28px 28px;border-left:2px solid var(--primary-soft)}
  .rl-step::after{display:none}
  .rl-step-num{position:relative;margin-left:-46px;background:#fff}
  .rl-step h3{padding-left:0}
  .rl-statbar-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .rl-stat .num{font-size:32px}
  .rl-scene{grid-template-columns:1fr}
  .rl-scene .rl-scard:nth-child(2){transform:none}
  .rl-scene .rl-scard:nth-child(2):hover{transform:translateY(-2px)}
  .rl-banner img{height:240px}
  .rl-cta{padding:28px}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575.98px){
  .rl-container{padding:0 16px}
  .rl-pagehead h1{font-size:26px}
  .rl-pagehead-actions .rl-btn{width:100%;justify-content:center}
  .rl-statbar-grid{grid-template-columns:1fr}
  .rl-footer-grid{grid-template-columns:1fr}
  .rl-footer-bottom{flex-direction:column}
  .rl-mcard,.rl-scard-body,.rl-cta{padding:20px}
  .rl-banner img{height:200px}
}

.rl-input{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-input);
  padding:11px 14px;font-size:15px;color:var(--text);width:100%;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.rl-input::placeholder{color:#9BAAA8}
.rl-input:hover{border-color:#C7D6D2}
.rl-input:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 3px rgba(14,92,85,.14);
}
.rl-input:invalid:not(:placeholder-shown){border-color:var(--danger)}
select.rl-input,textarea.rl-input{appearance:none}
textarea.rl-input{resize:vertical;min-height:120px}
.rl-alertbar strong{font-weight:600}