/* roulang page: index */
:root{
  --brand-700:#0A7F6F;
  --brand-600:#0E9F8A;
  --brand-500:#16B89F;
  --brand-100:#D9F5EF;
  --accent-500:#FF8A3D;
  --accent-100:#FFE7D6;
  --ink:#10151C;
  --muted:#5B6470;
  --bg:#F5F7F6;
  --surface:#FFFFFF;
  --line:#E3E8E6;
  --dark-section:#0B1210;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 10px 30px rgba(16,21,28,.06);
  --shadow-2:0 16px 40px rgba(16,21,28,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--brand-700);
  background:var(--brand-100);border-radius:999px;padding:6px 14px;font-weight:600;
}
.h2{font-size:clamp(26px,3.2vw,34px);line-height:1.3;font-weight:800;letter-spacing:.01em}
.h3{font-size:clamp(19px,2vw,22px);line-height:1.45;font-weight:700}
.lead{color:var(--muted);font-size:17px;line-height:1.95}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.sec-head .txt{max-width:660px}

/* ---------- 头部导航 ---------- */
.rl-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
}
.rl-header-inner{display:flex;align-items:center;gap:28px;height:78px}
.rl-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.rl-logo-mark{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-700));
  color:#fff;font-weight:800;font-size:19px;letter-spacing:0;
  box-shadow:0 8px 20px rgba(14,159,138,.28);
}
.rl-logo-text{display:flex;flex-direction:column;line-height:1.25}
.rl-logo-text strong{font-size:18px;font-weight:800;letter-spacing:.01em}
.rl-logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.16em}
.rl-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.rl-nav-link{
  position:relative;padding:10px 14px;border-radius:10px;font-size:15px;color:#2C343D;
  transition:color .2s ease,background-color .2s ease;
}
.rl-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.rl-nav-link:hover{color:var(--brand-700)}
.rl-nav-link:hover::after{transform:scaleX(1)}
.rl-nav-link.is-active{color:var(--brand-700);font-weight:700;background:rgba(217,245,239,.6)}
.rl-nav-link.is-active::after{transform:scaleX(1)}
.rl-header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}

/* Mega 面板 */
.rl-mega{position:relative}
.rl-mega-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:#2C343D;transition:all .2s ease;
}
.rl-mega-btn:hover{border-color:var(--brand-500);color:var(--brand-700);box-shadow:var(--shadow-1)}
.rl-mega-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,184,159,.32)}
.rl-mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:640px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);padding:22px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.rl-mega:hover .rl-mega-panel,
.rl-mega:focus-within .rl-mega-panel,
.rl-mega.is-open .rl-mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.rl-mega-title{font-size:12px;letter-spacing:.16em;color:var(--muted);margin-bottom:12px;font-weight:700}
.rl-mega-list{display:grid;gap:8px}
.rl-mega-item{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:var(--radius-sm);border:1px solid transparent;transition:all .2s ease;
}
.rl-mega-item:hover{background:#F3FAF8;border-color:var(--line);transform:translateX(2px)}
.rl-mega-item b{font-size:14px;font-weight:700;display:block}
.rl-mega-item span{font-size:12px;color:var(--muted)}
.rl-mega-new{
  border:1px dashed var(--line);border-radius:var(--radius-md);padding:14px;background:#FAFCFB;
}
.rl-mega-new a{display:block;padding:7px 0;font-size:13.5px;color:#39424C;border-bottom:1px dashed var(--line)}
.rl-mega-new a:last-child{border-bottom:none}
.rl-mega-new a:hover{color:var(--brand-700)}

.rl-burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.rl-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.rl-burger span::before,.rl-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.rl-burger span::before{top:-6px}
.rl-burger span::after{top:6px}

/* 移动抽屉 */
.rl-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:16px 0 24px;
}
.rl-drawer.is-open{display:block}
.rl-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;border-bottom:1px solid var(--line);font-size:15.5px;font-weight:600;
}
.rl-drawer a:last-child{border-bottom:none}
.rl-drawer a em{font-style:normal;font-size:12px;color:var(--muted);font-weight:400}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:700;font-size:15px;padding:13px 22px;border:1px solid transparent;
  transition:all .2s ease;min-height:46px;
}
.rl-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,184,159,.34)}
.rl-btn:active{transform:scale(.98)}
.rl-btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px rgba(14,159,138,.24)}
.rl-btn-primary:hover{background:var(--brand-700);box-shadow:0 14px 32px rgba(14,159,138,.3)}
.rl-btn-ghost{background:#fff;border-color:var(--line);color:#28313A}
.rl-btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700)}
.rl-btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 10px 24px rgba(255,138,61,.28)}
.rl-btn-accent:hover{background:#F0772C}
.rl-btn-light{background:#fff;color:var(--brand-700)}
.rl-btn-light:hover{background:var(--brand-100)}
.rl-btn-sm{padding:9px 16px;font-size:14px;min-height:40px;border-radius:10px}
.rl-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:700;font-size:14.5px;
}
.rl-link i{font-style:normal;transition:transform .2s ease}
.rl-link:hover i{transform:translateX(3px)}

/* ---------- Hero ---------- */
.rl-hero{
  position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.rl-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(10,127,111,.95) 0%,rgba(16,21,28,.9) 55%,rgba(11,18,16,.74) 100%);
}
.rl-hero-inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;padding:88px 0}
.rl-hero h1{
  color:#fff;font-size:clamp(34px,4.6vw,54px);line-height:1.15;font-weight:800;letter-spacing:.01em;
}
.rl-hero-sub{color:rgba(255,255,255,.82);font-size:18px;line-height:1.85;margin-top:20px;max-width:560px}
.rl-hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.rl-hero-badges span{
  font-size:13px;color:rgba(255,255,255,.9);
  border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:6px 14px;background:rgba(255,255,255,.06);
}
.rl-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.rl-hero-card{
  background:rgba(255,255,255,.97);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-2);
}
.rl-hero-card h2{font-size:17px;font-weight:800}
.rl-status{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--brand-700);font-weight:700}
.rl-dot{width:9px;height:9px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 4px rgba(22,184,159,.2)}
.rl-hero-meta{display:flex;flex-wrap:wrap;gap:18px;margin:14px 0 18px;font-size:13px;color:var(--muted)}
.rl-quick{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}
.rl-quick a{
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:11px 12px;font-size:13.5px;font-weight:600;
  transition:all .2s ease;
}
.rl-quick a:hover{border-color:var(--brand-500);background:#F3FAF8;transform:translateY(-2px)}
.rl-quick a em{display:block;font-style:normal;font-size:11.5px;color:var(--muted);font-weight:400;margin-top:2px}

/* ---------- 数据条 ---------- */
.rl-metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);
  margin-top:-46px;position:relative;z-index:5;
}
.rl-metric{padding:22px 24px;border-right:1px solid var(--line)}
.rl-metric:last-child{border-right:none}
.rl-metric b{display:block;font-size:24px;font-weight:800;color:var(--brand-700);letter-spacing:0}
.rl-metric span{font-size:13.5px;color:var(--muted)}

/* ---------- Bento 功能 ---------- */
.rl-bento{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.rl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  overflow:hidden;
}
.rl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-500)}
.rl-card-pad{padding:26px}
.rl-card-cover{position:relative;overflow:hidden}
.rl-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rl-card:hover .rl-card-cover img{transform:scale(1.03)}
.rl-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  border-radius:999px;padding:4px 12px;background:var(--brand-100);color:var(--brand-700);
}
.rl-badge-accent{background:var(--accent-100);color:#B4531A}
.rl-badge-dark{background:rgba(255,255,255,.14);color:#fff}
.rl-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:20px;
  background:var(--brand-100);color:var(--brand-700);font-weight:800;
}
.rl-bento-a{grid-column:span 7}
.rl-bento-b{grid-column:span 5}
.rl-bento-s{grid-column:span 3}
.rl-feature-lg{display:grid;grid-template-columns:1.02fr .98fr;height:100%}
.rl-feature-lg .txt{padding:30px}
.rl-feature-lg .pic{min-height:260px}

/* ---------- 场景步骤 ---------- */
.rl-steps{position:relative;display:grid;gap:26px}
.rl-step{
  display:grid;grid-template-columns:86px 1fr;gap:22px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 26px;
  box-shadow:var(--shadow-1);transition:all .22s ease;
}
.rl-step:hover{border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.rl-step-num{
  font-size:34px;font-weight:800;color:var(--brand-600);line-height:1;letter-spacing:-.02em;
  border-right:2px solid var(--brand-100);padding-right:18px;
}
.rl-step p{color:var(--muted);margin-top:8px}
.rl-scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-bottom:34px}
.rl-scene{
  display:grid;grid-template-columns:150px 1fr;gap:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:all .22s ease;
}
.rl-scene:hover{border-color:var(--brand-500);box-shadow:var(--shadow-2)}
.rl-scene img{width:100%;height:100%;object-fit:cover}
.rl-scene .txt{padding:20px 22px}

/* ---------- 案例 ---------- */
.rl-cases{display:grid;grid-template-columns:1.12fr 1.12fr .86fr;gap:22px}
.rl-case{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:all .22s ease;display:flex;flex-direction:column}
.rl-case:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-500)}
.rl-case .pic{height:170px;overflow:hidden}
.rl-case .pic img{width:100%;height:100%;object-fit:cover}
.rl-case .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.rl-case blockquote{
  margin:0;padding-left:14px;border-left:3px solid var(--brand-500);
  color:#39424C;font-size:15px;line-height:1.85;
}
.rl-case-data{display:flex;flex-wrap:wrap;gap:16px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line)}
.rl-case-data div b{display:block;font-size:19px;font-weight:800;color:var(--brand-700)}
.rl-case-data div span{font-size:12.5px;color:var(--muted)}
.rl-case-dark{background:var(--dark-section);border-color:#1B2622;color:#fff}
.rl-case-dark .body{color:#fff}
.rl-case-dark blockquote{color:rgba(255,255,255,.86);border-left-color:var(--accent-500)}
.rl-case-dark .rl-case-data{border-top-color:rgba(255,255,255,.16)}
.rl-case-dark .rl-case-data div b{color:var(--accent-500)}
.rl-case-dark .rl-case-data div span{color:rgba(255,255,255,.66)}

/* ---------- 价格 ---------- */
.rl-prices{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.rl-price{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:16px;transition:all .22s ease;
}
.rl-price:hover{box-shadow:var(--shadow-2);border-color:var(--brand-500)}
.rl-price.is-featured{
  border-color:var(--brand-600);box-shadow:var(--shadow-2);transform:translateY(-8px);
  background:linear-gradient(180deg,#F3FBF9 0%,#FFFFFF 42%);
}
.rl-price .amount{font-size:32px;font-weight:800;letter-spacing:-.01em}
.rl-price .amount small{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px}
.rl-price ul{display:grid;gap:10px}
.rl-price li{display:flex;gap:10px;font-size:14.5px;color:#39424C}
.rl-price li svg{flex:0 0 auto;margin-top:6px}
.rl-price li.off{color:#9AA2AC}

/* ---------- 资讯列表（CMS 区） ---------- */
.rl-posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rl-post{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:all .22s ease;
}
.rl-post:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-500)}
.rl-post .pic{position:relative;aspect-ratio:16/10;overflow:hidden}
.rl-post .pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rl-post:hover .pic img{transform:scale(1.03)}
.rl-post .pic .rl-badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--brand-700)}
.rl-post .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rl-post h3{font-size:17.5px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-post p{font-size:14.5px;color:var(--muted);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rl-post .foot{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);
}
.rl-empty{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:44px 24px;text-align:center;color:var(--muted);
}
.rl-empty b{display:block;font-size:17px;color:var(--ink);margin-bottom:6px}

/* ---------- FAQ ---------- */
.rl-faq{display:grid;gap:12px}
.rl-faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:0 22px;transition:all .22s ease;
}
.rl-faq details[open]{border-color:var(--brand-500);box-shadow:var(--shadow-1)}
.rl-faq summary{
  list-style:none;cursor:pointer;min-height:60px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-size:16.5px;font-weight:700;color:var(--ink);padding:10px 0;
}
.rl-faq summary::-webkit-details-marker{display:none}
.rl-faq summary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,184,159,.3);border-radius:10px}
.rl-faq summary i{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  display:grid;place-items:center;font-style:normal;font-size:16px;font-weight:700;transition:transform .22s ease;
}
.rl-faq details[open] summary i{transform:rotate(45deg);background:var(--brand-600);color:#fff}
.rl-faq .ans{padding:0 0 20px;color:var(--muted);font-size:15.5px;line-height:1.95;max-width:900px}

/* ---------- CTA 带 ---------- */
.rl-cta{
  background:linear-gradient(120deg,var(--brand-700) 0%,#0B1210 78%);
  color:#fff;border-radius:22px;padding:48px;display:flex;flex-wrap:wrap;gap:26px;
  align-items:center;justify-content:space-between;
}
.rl-cta h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35}
.rl-cta p{color:rgba(255,255,255,.78);margin-top:10px;font-size:15.5px}

/* ---------- 页脚 ---------- */
.rl-footer{background:var(--dark-section);color:rgba(255,255,255,.72);margin-top:24px}
.rl-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding:64px 0 40px}
.rl-footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;letter-spacing:.04em}
.rl-footer a{display:block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease}
.rl-footer a:hover{color:var(--brand-500)}
.rl-footer p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.6)}
.rl-footer .brand-row{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.rl-footer .brand-row .rl-logo-mark{background:linear-gradient(140deg,var(--brand-500),var(--brand-700))}
.rl-footer .brand-row strong{color:#fff;font-size:17px;font-weight:800}
.rl-footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .rl-nav{display:none}
  .rl-burger{display:inline-flex}
  .rl-hero-inner{grid-template-columns:1fr;gap:36px;padding:64px 0}
  .rl-bento-a,.rl-bento-b{grid-column:span 12}
  .rl-bento-s{grid-column:span 6}
  .rl-cases{grid-template-columns:1fr 1fr}
  .rl-cases .rl-case:last-child{grid-column:span 2}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .rl-mega-panel{width:520px}
}
@media (max-width:820px){
  .wrap{padding:0 22px}
  .section{padding:64px 0}
  .section-sm{padding:48px 0}
  .rl-metrics{grid-template-columns:1fr 1fr;margin-top:-30px}
  .rl-metric{border-right:none;border-bottom:1px solid var(--line)}
  .rl-metric:nth-child(odd){border-right:1px solid var(--line)}
  .rl-metric:nth-last-child(-n+2){border-bottom:none}
  .rl-feature-lg{grid-template-columns:1fr}
  .rl-feature-lg .pic{min-height:200px}
  .rl-scene-grid{grid-template-columns:1fr}
  .rl-prices{grid-template-columns:1fr}
  .rl-price.is-featured{transform:none}
  .rl-posts{grid-template-columns:1fr 1fr}
  .rl-step{grid-template-columns:64px 1fr;gap:16px;padding:20px}
  .rl-step-num{font-size:26px;padding-right:12px}
  .rl-cta{padding:34px 26px}
}
@media (max-width:560px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .rl-header-inner{height:68px;gap:14px}
  .rl-logo-text em{display:none}
  .rl-hero{min-height:auto}
  .rl-hero h1{font-size:30px}
  .rl-hero-sub{font-size:16px}
  .rl-hero-cta .rl-btn{width:100%}
  .rl-quick{grid-template-columns:1fr}
  .rl-bento-s{grid-column:span 12}
  .rl-cases{grid-template-columns:1fr}
  .rl-cases .rl-case:last-child{grid-column:span 1}
  .rl-posts{grid-template-columns:1fr}
  .rl-scene{grid-template-columns:1fr}
  .rl-scene img{height:170px}
  .rl-metrics{grid-template-columns:1fr}
  .rl-metric{border-right:none !important;border-bottom:1px solid var(--line) !important}
  .rl-metric:last-child{border-bottom:none !important}
  .rl-footer-grid{grid-template-columns:1fr;padding:48px 0 28px}
  .rl-mega-panel{width:calc(100vw - 36px);right:-8px}
}

/* roulang page: article */
:root{
  --brand-700:#0A7F6F;
  --brand-600:#0E9F8A;
  --brand-500:#16B89F;
  --brand-100:#D9F5EF;
  --accent-500:#FF8A3D;
  --accent-100:#FFE7D6;
  --ink:#10151C;
  --muted:#5B6470;
  --bg:#F5F7F6;
  --surface:#FFFFFF;
  --line:#E3E8E6;
  --dark-section:#0B1210;
  --radius-card:18px;
  --radius-btn:12px;
  --shadow-sm:0 10px 30px rgba(16,21,28,.06);
  --shadow-lg:0 16px 40px rgba(16,21,28,.10);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.9;letter-spacing:.02em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;letter-spacing:.01em}
p{margin:0}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
:focus-visible{outline:3px solid rgba(22,184,159,.35);outline-offset:2px;border-radius:8px}
body.rl-no-scroll{overflow:hidden}

/* ---------- header ---------- */
.rl-header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:saturate(140%) blur(6px)}
.rl-header-inner{height:76px;display:flex;align-items:center;gap:22px}
.rl-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.rl-logo-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--brand-600),var(--brand-700));color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 6px 16px rgba(10,127,111,.28)}
.rl-logo-text{display:flex;flex-direction:column;line-height:1.15}
.rl-logo-text strong{font-size:17px;font-weight:800}
.rl-logo-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.16em}
.rl-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.rl-nav-link{position:relative;padding:12px 14px;font-size:15px;color:#33404a;border-radius:10px;transition:color .2s ease}
.rl-nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;border-radius:2px;background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform .26s ease}
.rl-nav-link:hover{color:var(--brand-700)}
.rl-nav-link:hover::after,.rl-nav-link.is-active::after{transform:scaleX(1)}
.rl-nav-link.is-active{color:var(--brand-700);font-weight:600}
.rl-header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}

.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:600;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .12s ease,box-shadow .2s ease}
.rl-btn:active{transform:scale(.98)}
.rl-btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px rgba(14,159,138,.24)}
.rl-btn-primary:hover{background:var(--brand-700)}
.rl-btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.rl-btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700)}
.rl-btn-accent{background:var(--accent-500);color:#fff}
.rl-btn-accent:hover{background:#f0761f}
.rl-btn-sm{padding:9px 16px;font-size:14px}
.rl-arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;font-size:14px}
.rl-arrow-link span{transition:transform .2s ease}
.rl-arrow-link:hover span{transform:translateX(3px)}

/* ---------- mega ---------- */
.rl-mega{position:relative}
.rl-mega-btn{display:inline-flex;align-items:center;gap:6px;padding:11px 16px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:#2b3843;transition:border-color .2s ease,color .2s ease}
.rl-mega-btn:hover{border-color:var(--brand-500);color:var(--brand-700)}
.rl-mega-panel{position:absolute;right:0;top:calc(100% + 12px);width:640px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-lg);padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:22px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .22s ease,transform .22s ease,visibility .22s}
.rl-mega.is-open .rl-mega-panel,.rl-mega:hover .rl-mega-panel,.rl-mega:focus-within .rl-mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.rl-mega-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--muted);margin-bottom:12px}
.rl-mega-list{display:flex;flex-direction:column;gap:6px}
.rl-mega-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:12px;transition:background .2s ease}
.rl-mega-item b{display:block;font-size:14px}
.rl-mega-item span span{display:block;font-size:12px;color:var(--muted);line-height:1.6}
.rl-mega-item:hover{background:var(--brand-100)}
.rl-mega-new{display:flex;flex-direction:column;gap:8px}
.rl-mega-new a{font-size:13px;color:#33404a;line-height:1.6;padding:8px 10px;border-radius:10px;border:1px solid transparent;transition:border-color .2s ease,background .2s ease}
.rl-mega-new a:hover{border-color:var(--line);background:#fafcfb;color:var(--brand-700)}
.rl-mega-empty{font-size:13px;color:var(--muted);padding:8px 10px}

.rl-menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.rl-menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:#2b3843}
.rl-drawer{position:fixed;left:0;right:0;top:76px;bottom:0;background:#fff;z-index:60;display:none;overflow:auto;padding:10px 0 40px;border-top:1px solid var(--line)}
.rl-drawer.is-open{display:block}
.rl-drawer-inner{max-width:1240px;margin:0 auto;padding:0 24px;display:flex;flex-direction:column}
.rl-drawer-link{padding:16px 4px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line)}
.rl-drawer-link.is-active{color:var(--brand-700)}
.rl-drawer-sub{padding:12px 4px 4px;font-size:12px;letter-spacing:.14em;color:var(--muted)}

/* ---------- article hero ---------- */
.art-hero{position:relative;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;padding:56px 0 64px;overflow:hidden}
.art-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(125deg,rgba(6,34,30,.9),rgba(11,18,16,.72))}
.art-hero .wrap{position:relative;z-index:2}
.art-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72)}
.art-crumb a{color:rgba(255,255,255,.86);border-bottom:1px solid rgba(255,255,255,.28)}
.art-crumb a:hover{color:#fff;border-color:#fff}
.art-crumb em{font-style:normal;color:#fff;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.art-title{font-family:"Noto Serif SC","PingFang SC","Microsoft YaHei",serif;font-size:clamp(30px,4vw,48px);line-height:1.22;font-weight:800;color:#fff;margin:20px 0 18px;max-width:900px}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:rgba(255,255,255,.78)}
.art-chip{display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;background:rgba(217,245,239,.16);border:1px solid rgba(217,245,239,.4);color:#d9f5ef;font-size:12px;font-weight:600;letter-spacing:.04em}
.art-hero-cover{position:relative;z-index:2;margin-top:32px;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow-lg)}
.art-hero-cover img{width:100%;height:340px;object-fit:cover}

/* ---------- article body ---------- */
.art-section{padding:56px 0 72px}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.art-panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-sm);padding:40px 48px}
.art-channel{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-bottom:20px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.art-channel strong{font-size:15px;color:var(--brand-700)}
.art-channel span{font-size:13px;color:var(--muted)}
.art-content{max-width:800px}
.art-content p{margin:0 0 1.25em;font-size:18px;line-height:1.95;color:#232d36;letter-spacing:.02em}
.art-content h2{font-size:clamp(22px,2.4vw,28px);line-height:1.4;font-weight:800;margin:2em 0 .8em;position:relative;padding-left:16px}
.art-content h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--brand-600)}
.art-content h3{font-size:21px;font-weight:700;margin:1.7em 0 .6em}
.art-content h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em;color:#2b3843}
.art-content ul,.art-content ol{margin:0 0 1.3em;padding-left:1.5em}
.art-content li{margin:.45em 0;font-size:17px;line-height:1.9;color:#232d36}
.art-content strong{color:#0d1a17}
.art-content a{color:var(--brand-700);border-bottom:1px solid rgba(14,159,138,.35)}
.art-content a:hover{border-color:var(--brand-700)}
.art-content blockquote{margin:1.7em 0;padding:16px 22px;border-left:4px solid var(--accent-500);background:var(--accent-100);border-radius:0 14px 14px 0;color:#5a3a22;font-size:17px}
.art-content blockquote p{margin:0;color:#5a3a22;font-size:17px}
.art-content img{border-radius:16px;margin:1.6em auto;height:auto}
.art-content figure{margin:1.8em 0}
.art-content figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.art-content code{background:#eef3f1;color:#0A7F6F;padding:2px 6px;border-radius:6px;font-size:.92em;font-family:ui-monospace,Menlo,Consolas,monospace}
.art-content pre{background:var(--dark-section);color:#d8e6e2;padding:18px 20px;border-radius:14px;overflow:auto;font-size:14px;line-height:1.75;margin:1.6em 0}
.art-content pre code{background:none;color:inherit;padding:0}
.art-content table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.art-content th,.art-content td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.art-content th{background:var(--brand-100);font-weight:700}
.art-content hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.art-empty{padding:28px;border:1px dashed var(--line);border-radius:16px;background:#fafcfb;text-align:center;color:var(--muted)}
.art-empty a{color:var(--brand-700);font-weight:600}

.art-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:100px}
.art-side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:22px}
.art-side-card h3{font-size:16px;font-weight:800;margin-bottom:14px}
.art-side-list{display:flex;flex-direction:column;gap:10px}
.art-side-list a{font-size:14px;color:#33404a;line-height:1.65;padding-left:12px;position:relative;transition:color .2s ease}
.art-side-list a::before{content:"";position:absolute;left:0;top:.65em;width:5px;height:5px;border-radius:50%;background:var(--brand-500)}
.art-side-list a:hover{color:var(--brand-700)}
.art-side-cta{background:var(--dark-section);color:#fff;border-radius:var(--radius-card);padding:24px}
.art-side-cta h3{font-size:17px;font-weight:800;margin-bottom:8px}
.art-side-cta p{font-size:13px;color:rgba(255,255,255,.72);line-height:1.8;margin-bottom:16px}

/* ---------- related ---------- */
.art-related{padding:8px 0 72px}
.art-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.art-head h2{font-size:clamp(24px,3vw,32px);font-weight:800}
.art-head p{font-size:14px;color:var(--muted);margin-top:8px}
.rl-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rl-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.rl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--brand-500)}
.rl-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#e8efed}
.rl-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rl-card:hover .rl-card-media img{transform:scale(1.03)}
.rl-badge{position:absolute;left:12px;top:12px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--brand-700);font-size:12px;font-weight:700;letter-spacing:.02em}
.rl-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rl-card-body h3{font-size:17px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-card-body p{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rl-card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}

/* ---------- cta ---------- */
.rl-cta{background:linear-gradient(120deg,#0B1210,#0A7F6F);color:#fff;padding:64px 0}
.rl-cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.rl-cta h2{font-size:clamp(24px,3vw,32px);font-weight:800;max-width:620px}
.rl-cta p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.78)}

/* ---------- footer ---------- */
.rl-footer{background:#0d1412;color:rgba(255,255,255,.72);padding:56px 0 24px;margin-top:0}
.rl-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12)}
.rl-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.rl-footer a{display:block;font-size:14px;color:rgba(255,255,255,.7);padding:5px 0;transition:color .2s ease}
.rl-footer a:hover{color:var(--brand-500)}
.rl-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.brand-row strong{color:#fff;font-size:16px}
.rl-footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.5)}

@media (max-width:1100px){
  .rl-nav{display:none}
  .rl-menu-btn{display:inline-flex}
  .art-layout{grid-template-columns:minmax(0,1fr)}
  .art-side{position:static;flex-direction:row;flex-wrap:wrap}
  .art-side-card,.art-side-cta{flex:1 1 260px}
}
@media (max-width:900px){
  .rl-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .rl-mega-panel{width:520px}
}
@media (max-width:680px){
  .wrap{padding:0 18px}
  .rl-header-inner{height:66px;gap:12px}
  .rl-drawer{top:66px}
  .rl-header-actions .rl-btn-ghost{display:none}
  .rl-mega-panel{width:min(92vw,420px);grid-template-columns:1fr}
  .art-hero{padding:36px 0 44px}
  .art-hero-cover img{height:200px}
  .art-panel{padding:26px 20px;border-radius:18px}
  .art-content p,.art-content li{font-size:17px}
  .rl-card-grid{grid-template-columns:1fr}
  .art-related{padding-bottom:56px}
  .rl-cta{padding:48px 0}
  .rl-footer-grid{grid-template-columns:1fr}
}

/* roulang page: category1 */
:root{
    --brand-700:#0A7F6F;
    --brand-600:#0E9F8A;
    --brand-500:#16B89F;
    --brand-100:#D9F5EF;
    --accent-500:#FF8A3D;
    --accent-100:#FFE7D6;
    --ink:#10151C;
    --muted:#5B6470;
    --bg:#F5F7F6;
    --surface:#FFFFFF;
    --line:#E3E8E6;
    --dark-section:#0B1210;
    --radius-card:20px;
    --radius-btn:12px;
    --shadow-1:0 10px 30px rgba(16,21,28,.06);
    --shadow-2:0 16px 40px rgba(16,21,28,.10);
    --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.85;
    letter-spacing:.02em;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:3px solid rgba(22,184,159,.35);outline-offset:2px;border-radius:8px}

  .wrap{max-width:1240px;margin:0 auto;padding:0 24px}

  /* ---------- header ---------- */
  .rl-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.96);
    border-bottom:1px solid var(--line);
    backdrop-filter:saturate(150%) blur(6px);
  }
  .rl-header-inner{display:flex;align-items:center;gap:18px;min-height:76px}
  .rl-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .rl-logo-mark{
    width:42px;height:42px;border-radius:13px;
    display:grid;place-items:center;
    background:linear-gradient(135deg,var(--brand-600),var(--brand-700));
    color:#fff;font-weight:800;font-size:19px;
    box-shadow:0 8px 20px rgba(14,159,138,.28);
  }
  .rl-logo-text strong{display:block;font-size:17px;font-weight:800;line-height:1.2;letter-spacing:.01em}
  .rl-logo-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--muted)}

  .rl-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
  .rl-nav-link{
    position:relative;padding:9px 13px;border-radius:10px;
    font-size:15px;font-weight:500;color:#28332f;transition:color .2s,background .2s;
  }
  .rl-nav-link::after{
    content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
    background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
  }
  .rl-nav-link:hover{color:var(--brand-700)}
  .rl-nav-link:hover::after,.rl-nav-link.is-active::after{transform:scaleX(1)}
  .rl-nav-link.is-active{color:var(--brand-700);font-weight:700}

  .rl-header-actions{display:flex;align-items:center;gap:10px}

  .rl-mega{position:relative}
  .rl-mega-btn{
    display:inline-flex;align-items:center;gap:6px;
    padding:10px 15px;border-radius:12px;
    border:1px solid var(--line);background:#fff;cursor:pointer;
    font-size:14.5px;font-weight:600;transition:.2s;
  }
  .rl-mega-btn:hover{border-color:var(--brand-500);color:var(--brand-700)}
  .rl-mega-panel{
    position:absolute;right:0;top:calc(100% + 12px);width:640px;
    display:grid;grid-template-columns:1.05fr .95fr;gap:22px;
    background:#fff;border:1px solid var(--line);border-radius:18px;
    box-shadow:0 18px 46px rgba(16,21,28,.13);
    padding:22px;
    opacity:0;visibility:hidden;transform:translateY(6px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
  }
  .rl-mega.is-open .rl-mega-panel,
  .rl-mega:hover .rl-mega-panel,
  .rl-mega:focus-within .rl-mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
  .rl-mega-title{font-size:11.5px;letter-spacing:.18em;color:var(--muted);font-weight:700;margin-bottom:12px}
  .rl-mega-list{display:grid;gap:4px}
  .rl-mega-item{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:10px 12px;border-radius:12px;border:1px solid transparent;transition:.18s;
  }
  .rl-mega-item b{display:block;font-size:14.5px;font-weight:700}
  .rl-mega-item span span{display:block;font-size:12.5px;color:var(--muted);line-height:1.6}
  .rl-mega-item:hover{background:var(--brand-100);border-color:#bdece2}
  .rl-mega-note{
    background:linear-gradient(160deg,#0B1210,#0A7F6F);
    border-radius:16px;padding:18px;color:#EAF6F3;font-size:13px;line-height:1.8;
  }
  .rl-mega-note strong{display:block;color:#fff;font-size:15px;margin-bottom:6px}
  .rl-mega-note .rl-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#3BE0B8;margin-right:6px}

  .rl-burger{
    display:none;width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:#fff;cursor:pointer;
    align-items:center;justify-content:center;flex-direction:column;gap:5px;
  }
  .rl-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}

  /* ---------- buttons ---------- */
  .rl-btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:12px 22px;border-radius:var(--radius-btn);
    font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;
    transition:background .2s,color .2s,border-color .2s,transform .12s,box-shadow .2s;
  }
  .rl-btn:active{transform:scale(.98)}
  .rl-btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px rgba(14,159,138,.24)}
  .rl-btn-primary:hover{background:var(--brand-700)}
  .rl-btn-accent{background:var(--accent-500);color:#3A1B04;box-shadow:0 10px 24px rgba(255,138,61,.28)}
  .rl-btn-accent:hover{background:#F57725}
  .rl-btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
  .rl-btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700)}
  .rl-btn-sm{min-height:40px;padding:9px 15px;font-size:14px;border-radius:10px}
  .rl-link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-700);font-size:14.5px}
  .rl-link-arrow span{transition:transform .2s}
  .rl-link-arrow:hover span{transform:translateX(3px)}

  /* ---------- hero ---------- */
  .rl-hero{position:relative;overflow:hidden;background:var(--dark-section);color:#fff}
  .rl-hero-bg{
    position:absolute;inset:0;
    background-image:url(/assets/images/backpic/back-2.webp);
    background-size:cover;background-position:center;
    opacity:.55;
  }
  .rl-hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(115deg,rgba(11,18,16,.95) 0%,rgba(11,18,16,.82) 42%,rgba(10,127,111,.72) 100%);
  }
  .rl-hero-inner{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center;padding:66px 0 62px}
  .rl-crumb{font-size:13px;color:rgba(233,246,243,.72);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
  .rl-crumb a:hover{color:#fff}
  .rl-crumb i{font-style:normal;opacity:.5}
  .rl-hero h1{
    font-size:clamp(30px,4vw,44px);line-height:1.22;font-weight:800;
    letter-spacing:.01em;margin:16px 0 14px;max-width:640px;
  }
  .rl-hero-sub{font-size:17px;color:#DDF2ED;max-width:560px;line-height:1.8}
  .rl-hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .rl-hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .rl-hero-badge{
    font-size:12.5px;padding:6px 13px;border-radius:999px;
    background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.2);color:#EAF6F3;
  }
  .rl-status-card{
    background:#fff;color:var(--ink);border-radius:22px;padding:22px;
    box-shadow:0 22px 50px rgba(4,10,9,.28);
  }
  .rl-status-card h2{font-size:15px;font-weight:800;letter-spacing:.02em}
  .rl-status-row{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;padding:11px 0;border-bottom:1px dashed var(--line)}
  .rl-status-row span:first-child{color:var(--muted)}
  .rl-status-row span:last-child{font-weight:700}
  .rl-status-ok{color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}
  .rl-status-ok i{display:block;width:8px;height:8px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 4px rgba(22,184,159,.16)}
  .rl-status-links{display:grid;gap:8px;margin-top:14px}
  .rl-status-links a{
    display:flex;justify-content:space-between;align-items:center;
    padding:10px 13px;border-radius:12px;background:var(--bg);font-size:13.5px;font-weight:600;transition:.2s;
  }
  .rl-status-links a:hover{background:var(--brand-100);color:var(--brand-700)}

  /* ---------- anchor bar ---------- */
  .rl-anchors{position:sticky;top:76px;z-index:45;background:#fff;border-bottom:1px solid var(--line)}
  .rl-anchors-inner{display:flex;gap:6px;overflow-x:auto;padding:10px 24px;max-width:1240px;margin:0 auto}
  .rl-anchors-inner a{
    white-space:nowrap;font-size:14px;font-weight:600;color:var(--muted);
    padding:8px 14px;border-radius:999px;border:1px solid transparent;transition:.2s;
  }
  .rl-anchors-inner a:hover{color:var(--brand-700);background:var(--brand-100);border-color:#bdece2}

  /* ---------- sections ---------- */
  .rl-section{padding:76px 0;scroll-margin-top:132px}
  .rl-section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .rl-sec-head{max-width:740px;margin-bottom:36px}
  .rl-eyebrow{
    display:inline-block;font-size:12px;letter-spacing:.2em;font-weight:700;
    color:var(--brand-700);background:var(--brand-100);padding:6px 13px;border-radius:999px;
  }
  .rl-h2{font-size:clamp(25px,3.1vw,33px);line-height:1.3;font-weight:800;margin:14px 0 12px;letter-spacing:.01em}
  .rl-h3{font-size:19px;font-weight:800;line-height:1.45}
  .rl-lead{color:var(--muted);font-size:15.5px;line-height:1.9}

  /* ---------- cards ---------- */
  .rl-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .rl-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .rl-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s;
    display:flex;flex-direction:column;
  }
  .rl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-500)}
  .rl-card-media{aspect-ratio:16/10;overflow:hidden;background:#e7ecea}
  .rl-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
  .rl-card:hover .rl-card-media img{transform:scale(1.03)}
  .rl-card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
  .rl-card-body p{color:var(--muted);font-size:14.5px;line-height:1.85}
  .rl-badge{
    display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
    font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
    background:var(--brand-100);color:var(--brand-700);letter-spacing:.04em;
  }
  .rl-badge.accent{background:var(--accent-100);color:#8A3E0C}
  .rl-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:auto}

  /* ---------- steps ---------- */
  .rl-steps{display:grid;gap:0}
  .rl-step{display:grid;grid-template-columns:88px 1fr;gap:22px;position:relative;padding-bottom:30px}
  .rl-step:last-child{padding-bottom:0}
  .rl-step::before{
    content:"";position:absolute;left:33px;top:56px;bottom:6px;width:2px;
    background:linear-gradient(180deg,var(--brand-500),rgba(22,184,159,.15));
  }
  .rl-step:last-child::before{display:none}
  .rl-step-num{
    width:68px;height:56px;border-radius:16px;display:grid;place-items:center;
    background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
    font-size:22px;font-weight:800;color:var(--brand-700);
  }
  .rl-step-body{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px}
  .rl-step-body p{color:var(--muted);font-size:14.5px;margin-top:6px}

  /* ---------- compare table ---------- */
  .rl-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow-1)}
  .rl-table{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px}
  .rl-table th,.rl-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
  .rl-table thead th{background:#F0F5F3;font-size:13.5px;letter-spacing:.04em;color:#2b3a36;font-weight:800}
  .rl-table tbody tr:hover{background:#FAFCFB}
  .rl-table tbody tr:last-child td{border-bottom:none}
  .rl-table td:first-child{font-weight:700;color:var(--ink)}
  .rl-yes{color:var(--brand-700);font-weight:700}
  .rl-no{color:var(--muted)}

  /* ---------- checklist ---------- */
  .rl-check{display:grid;gap:14px}
  .rl-check li{
    display:grid;grid-template-columns:26px 1fr;gap:12px;background:#fff;
    border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:.2s;
  }
  .rl-check li:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1)}
  .rl-check i{
    width:22px;height:22px;border-radius:7px;background:var(--brand-100);color:var(--brand-700);
    display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800;margin-top:3px;
  }
  .rl-check strong{display:block;font-size:15px;margin-bottom:2px}
  .rl-check span{color:var(--muted);font-size:14px}

  /* ---------- faq ---------- */
  .rl-faq{display:grid;gap:12px}
  .rl-faq details{
    background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.2s;
  }
  .rl-faq details:hover{border-color:#bfe6dd}
  .rl-faq details[open]{border-color:var(--brand-500);box-shadow:var(--shadow-1)}
  .rl-faq summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;font-size:16px;font-weight:700;min-height:58px;
  }
  .rl-faq summary::-webkit-details-marker{display:none}
  .rl-faq summary::after{
    content:"+";font-size:22px;line-height:1;color:var(--brand-600);
    width:30px;height:30px;border-radius:9px;background:var(--brand-100);
    display:grid;place-items:center;flex-shrink:0;transition:transform .22s,background .22s;
  }
  .rl-faq details[open] summary::after{content:"−";transform:rotate(180deg);background:var(--accent-100);color:#8A3E0C}
  .rl-faq-body{padding:0 20px 20px;color:var(--muted);font-size:15px;line-height:1.95}

  /* ---------- cta ---------- */
  .rl-cta{
    position:relative;overflow:hidden;color:#fff;
    background:linear-gradient(120deg,#0B1210 0%,#0A7F6F 78%,#0E9F8A 100%);
  }
  .rl-cta-inner{padding:64px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
  .rl-cta h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.3}
  .rl-cta p{color:#D6EDE8;font-size:15px;margin-top:10px;max-width:620px}
  .rl-cta-actions{display:flex;flex-wrap:wrap;gap:12px}

  /* ---------- footer ---------- */
  .rl-footer{background:var(--dark-section);color:#CBD9D5;padding-top:62px}
  .rl-footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.2fr;gap:30px}
  .rl-footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:14px;letter-spacing:.02em}
  .rl-footer a{display:block;color:#9FB0AB;font-size:14px;padding:6px 0;transition:color .2s,transform .2s}
  .rl-footer a:hover{color:var(--brand-500);transform:translateX(2px)}
  .rl-footer p{color:#9FB0AB;font-size:14px;line-height:1.9}
  .brand-row{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:12px}
  .brand-row strong{font-size:16px;font-weight:800}
  .rl-footer-bottom{
    margin-top:46px;border-top:1px solid rgba(255,255,255,.1);
    padding:18px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:#86968F;
  }

  /* ---------- responsive ---------- */
  @media (max-width:1100px){
    .rl-hero-inner{grid-template-columns:1fr;gap:34px;padding:56px 0}
    .rl-grid-3{grid-template-columns:repeat(2,1fr)}
    .rl-footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:1023px){
    .rl-burger{display:flex}
    .rl-nav{
      position:fixed;left:0;right:0;top:76px;
      flex-direction:column;align-items:stretch;gap:2px;margin-left:0;
      background:#fff;border-bottom:1px solid var(--line);padding:14px 20px 24px;
      box-shadow:0 22px 44px rgba(16,21,28,.12);
      opacity:0;visibility:hidden;transform:translateY(-10px);
      transition:opacity .2s,transform .2s,visibility .2s;
      max-height:calc(100vh - 76px);overflow-y:auto;
    }
    .rl-nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
    .rl-nav-link{display:flex;align-items:center;min-height:46px;padding:12px 12px;font-size:16px;border-radius:12px}
    .rl-nav-link::after{display:none}
    .rl-nav-link.is-active{background:var(--brand-100)}
    .rl-mega-panel{position:static;width:100%;margin-top:12px;grid-template-columns:1fr;box-shadow:none;padding:16px}
    .rl-header-actions .rl-btn-ghost{display:none}
  }
  @media (max-width:820px){
    .rl-grid-3,.rl-grid-2{grid-template-columns:1fr}
    .rl-section{padding:60px 0}
    .rl-step{grid-template-columns:64px 1fr;gap:16px}
    .rl-step-num{width:56px;height:50px;font-size:19px}
    .rl-step::before{left:27px}
    .rl-anchors{top:76px}
  }
  @media (max-width:560px){
    .wrap{padding:0 18px}
    .rl-header-inner{min-height:68px}
    .rl-nav{top:68px;max-height:calc(100vh - 68px)}
    .rl-logo-text em{letter-spacing:.1em;font-size:10.5px}
    .rl-hero-inner{padding:44px 0 50px}
    .rl-hero-cta .rl-btn{width:100%}
    .rl-cta-actions .rl-btn{width:100%}
    .rl-footer-grid{grid-template-columns:1fr;gap:24px}
    .rl-footer-bottom{flex-direction:column}
    .rl-status-card{padding:18px}
    .rl-table{min-width:640px}
  }

/* roulang page: category3 */
:root{
  --brand-700:#0A7F6F;
  --brand-600:#0E9F8A;
  --brand-500:#16B89F;
  --brand-100:#D9F5EF;
  --accent-500:#FF8A3D;
  --accent-100:#FFE7D6;
  --ink:#10151C;
  --muted:#5B6470;
  --bg:#F5F7F6;
  --surface:#FFFFFF;
  --line:#E3E8E6;
  --dark-section:#0B1210;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-sm:0 10px 30px rgba(16,21,28,.06);
  --shadow-md:0 16px 40px rgba(16,21,28,.10);
  --container:1240px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;line-height:1.25}
p{margin:0}
:focus-visible{outline:3px solid rgba(22,184,159,.45);outline-offset:2px;border-radius:6px}
section[id],div[id]{scroll-margin-top:118px}

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

/* ---------- 头部 ---------- */
.rl-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
}
.rl-header-inner{display:flex;align-items:center;gap:26px;height:76px}
.rl-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.rl-logo-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-700));
  color:#fff;font-weight:800;font-size:19px;
  box-shadow:0 8px 18px rgba(10,127,111,.28);
}
.rl-logo-text{display:flex;flex-direction:column;line-height:1.15}
.rl-logo-text strong{font-size:17px;font-weight:800;letter-spacing:.02em}
.rl-logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.12em}
.rl-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.rl-nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;color:#26313d;font-weight:500;
  transition:color .2s ease,background-color .2s ease;
}
.rl-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;border-radius:2px;
}
.rl-nav-link:hover{color:var(--brand-700);background:var(--brand-100)}
.rl-nav-link:hover::after{transform:scaleX(1)}
.rl-nav-link.is-active{color:var(--brand-700);font-weight:700;background:var(--brand-100)}
.rl-nav-link.is-active::after{transform:scaleX(1)}
.rl-header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;padding:12px 22px;font-size:15px;font-weight:600;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .12s ease,border-color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.rl-btn:active{transform:scale(.98)}
.rl-btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px rgba(14,159,138,.26)}
.rl-btn-primary:hover{background:var(--brand-700);box-shadow:0 14px 30px rgba(10,127,111,.32)}
.rl-btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 10px 24px rgba(255,138,61,.28)}
.rl-btn-accent:hover{background:#F2762A}
.rl-btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.rl-btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700)}
.rl-btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.rl-btn-line{padding:0;background:none;color:var(--brand-700);font-weight:600}
.rl-btn-line .arrow{display:inline-block;transition:transform .2s ease}
.rl-btn-line:hover .arrow{transform:translateX(3px)}

/* ---------- Mega 面板 ---------- */
.rl-mega{position:relative}
.rl-mega-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 16px;border-radius:12px;font-size:14px;font-weight:600;
  background:var(--ink);color:#fff;transition:background-color .2s ease;
}
.rl-mega-btn:hover{background:#1b2530}
.rl-mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:640px;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-md);padding:22px;
  display:grid;grid-template-columns:1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.rl-mega:hover .rl-mega-panel,
.rl-mega:focus-within .rl-mega-panel,
.rl-mega.is-open .rl-mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.rl-mega-title{font-size:12px;letter-spacing:.16em;color:var(--muted);margin-bottom:12px}
.rl-mega-list,.rl-mega-new{display:flex;flex-direction:column;gap:8px}
.rl-mega-item{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:12px;border:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease;
}
.rl-mega-item b{display:block;font-size:14px;font-weight:700}
.rl-mega-item span span{display:block;font-size:12px;color:var(--muted);line-height:1.6}
.rl-mega-item:hover{background:var(--bg);border-color:var(--line)}
.rl-mega-new a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14px;color:#2a343f;
  border-left:2px solid var(--brand-100);transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.rl-mega-new a:hover{color:var(--brand-700);border-color:var(--brand-500);background:var(--bg)}

/* ---------- 移动菜单 ---------- */
.rl-menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.rl-menu-btn span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.rl-menu-btn.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.rl-menu-btn.is-open span:nth-child(2){opacity:0}
.rl-menu-btn.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.rl-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:14px 0 22px;
}
.rl-drawer.is-open{display:block}
.rl-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;font-size:16px;border-bottom:1px solid var(--line);
}
.rl-drawer a.is-active{color:var(--brand-700);font-weight:700}
.rl-drawer-head{font-size:12px;letter-spacing:.16em;color:var(--muted);padding:16px 4px 6px}

/* ---------- 通用板块 ---------- */
.rl-section{padding:72px 0}
.rl-section.tight{padding:56px 0}
.rl-section-head{max-width:760px;margin-bottom:36px}
.rl-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;color:var(--brand-700);
  background:var(--brand-100);border-radius:999px;padding:6px 14px;margin-bottom:14px;font-weight:600;
}
.rl-h2{font-size:clamp(24px,3vw,34px);font-weight:800}
.rl-sub{margin-top:12px;color:var(--muted);font-size:16px}
.rl-divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 小 Hero ---------- */
.rl-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(105deg,rgba(6,32,28,.92),rgba(11,18,16,.62)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.rl-hero-inner{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:44px;align-items:center;padding:76px 0 68px;
}
.rl-hero h1{font-size:clamp(30px,4vw,46px);font-weight:800}
.rl-hero .lead{margin-top:16px;font-size:17px;color:rgba(255,255,255,.82);max-width:560px}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.rl-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.rl-hero-tags span{
  font-size:13px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.9);
}
.rl-hero-card{
  background:rgba(255,255,255,.97);color:var(--ink);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-md);
}
.rl-hero-card h2{font-size:16px;font-weight:800;margin-bottom:14px}
.rl-hero-card .row{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
.rl-hero-card .row:last-of-type{border-bottom:0}
.rl-hero-card .row span{color:var(--muted)}
.rl-hero-card .row b{font-weight:700}
.rl-status{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--brand-700);font-weight:700}
.rl-status i{width:8px;height:8px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 4px rgba(22,184,159,.18)}
.rl-hero-card .links{margin-top:16px;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.rl-hero-card .links a{
  font-size:13px;padding:9px 12px;border-radius:10px;background:var(--bg);
  border:1px solid var(--line);text-align:center;transition:border-color .2s ease,color .2s ease;
}
.rl-hero-card .links a:hover{border-color:var(--brand-500);color:var(--brand-700)}

/* ---------- 锚点条 ---------- */
.rl-anchorbar{
  position:sticky;top:76px;z-index:60;background:rgba(245,247,246,.96);
  border-bottom:1px solid var(--line);backdrop-filter:blur(6px);
}
.rl-anchorbar .wrap{display:flex;gap:6px;overflow-x:auto;padding:12px 24px}
.rl-anchorbar a{
  flex:0 0 auto;font-size:14px;padding:8px 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:#33404c;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.rl-anchorbar a:hover{color:var(--brand-700);border-color:var(--brand-500);background:var(--brand-100)}

/* ---------- 场景卡 ---------- */
.rl-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rl-scene{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rl-scene:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--brand-500)}
.rl-scene-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.rl-scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rl-scene:hover .rl-scene-media img{transform:scale(1.03)}
.rl-scene-media .num{
  position:absolute;left:14px;top:14px;width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;background:rgba(11,18,16,.78);color:#fff;font-weight:800;font-size:15px;
}
.rl-scene-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.rl-scene-body h3{font-size:19px;font-weight:800}
.rl-scene-body p{margin-top:10px;color:var(--muted);font-size:15px}
.rl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.rl-tag{
  font-size:12px;padding:4px 11px;border-radius:999px;
  background:var(--accent-100);color:#A8501A;font-weight:600;
}
.rl-tag.green{background:var(--brand-100);color:var(--brand-700)}
.rl-scene-body .foot{margin-top:auto;padding-top:18px;font-size:14px;color:var(--brand-700);font-weight:700}

/* ---------- 时间线 ---------- */
.rl-timeline{display:grid;gap:0;border-left:2px solid var(--line);margin-left:12px}
.rl-step{position:relative;padding:0 0 30px 34px}
.rl-step:last-child{padding-bottom:0}
.rl-step::before{
  content:"";position:absolute;left:-11px;top:6px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-500);box-shadow:0 0 0 4px rgba(22,184,159,.12);
}
.rl-step h3{font-size:18px;font-weight:800}
.rl-step h3 em{font-style:normal;color:var(--brand-700);font-size:13px;font-weight:700;margin-right:10px;letter-spacing:.1em}
.rl-step p{margin-top:8px;color:var(--muted);font-size:15px;max-width:760px}

/* ---------- 清单 ---------- */
.rl-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 28px;box-shadow:var(--shadow-sm)}
.rl-panel h3{font-size:19px;font-weight:800;display:flex;align-items:center;gap:10px}
.rl-panel h3::before{content:"";width:6px;height:20px;border-radius:3px;background:var(--brand-500)}
.rl-check{margin-top:18px;display:grid;gap:12px}
.rl-check li{display:flex;gap:12px;font-size:15px;color:#2c3742}
.rl-check li i{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-700);
  display:grid;place-items:center;font-style:normal;font-size:13px;font-weight:800;margin-top:2px;
}
.rl-check.warn li i{background:var(--accent-100);color:#A8501A}

/* ---------- 数据条 ---------- */
.rl-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.rl-stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;text-align:center}
.rl-stat b{display:block;font-size:30px;font-weight:800;color:var(--brand-700);line-height:1.2}
.rl-stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}
.rl-quotes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px}
.rl-quote{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand-500);
  border-radius:var(--radius-md);padding:22px;
}
.rl-quote p{font-size:15px;color:#2c3742}
.rl-quote span{display:block;margin-top:12px;font-size:13px;color:var(--muted)}

/* ---------- 设备对照 ---------- */
.rl-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff}
table.rl-table{width:100%;border-collapse:collapse;min-width:560px}
table.rl-table th,table.rl-table td{padding:14px 18px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
table.rl-table th{background:var(--bg);font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:700}
table.rl-table tr:last-child td{border-bottom:0}

/* ---------- FAQ ---------- */
.rl-faq{display:grid;gap:12px}
.rl-faq details{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.rl-faq details[open]{border-color:var(--brand-500);box-shadow:var(--shadow-sm)}
.rl-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:14px 22px;font-size:16px;font-weight:700;
}
.rl-faq summary::-webkit-details-marker{display:none}
.rl-faq summary .sign{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-700);
  display:grid;place-items:center;font-weight:800;transition:transform .25s ease;
}
.rl-faq details[open] summary .sign{transform:rotate(45deg)}
.rl-faq .ans{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.95}

/* ---------- CTA ---------- */
.rl-cta{
  background:linear-gradient(120deg,var(--dark-section),#12433a);
  color:#fff;border-radius:var(--radius-lg);padding:46px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.rl-cta h2{font-size:clamp(22px,2.6vw,30px);font-weight:800}
.rl-cta p{margin-top:10px;color:rgba(255,255,255,.78);font-size:15px;max-width:560px}

/* ---------- 页脚 ---------- */
.rl-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 0;margin-top:24px}
.rl-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.rl-footer .brand-row{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.rl-footer .brand-row strong{font-size:16px;font-weight:800}
.rl-footer p{color:var(--muted);font-size:14px}
.rl-footer h4{font-size:14px;font-weight:800;margin-bottom:14px;letter-spacing:.06em}
.rl-footer-grid > div > a{display:block;color:var(--muted);font-size:14px;padding:6px 0;transition:color .2s ease}
.rl-footer-grid > div > a:hover{color:var(--brand-600)}
.rl-footer-bottom{
  margin-top:40px;border-top:1px solid var(--line);
  padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .rl-nav,.rl-header-actions .rl-btn{display:none}
  .rl-menu-btn{display:flex}
  .rl-hero-inner{grid-template-columns:1fr;padding:58px 0 52px;gap:30px}
  .rl-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rl-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rl-quotes{grid-template-columns:1fr}
  .rl-footer-grid{grid-template-columns:1fr 1fr}
  .rl-anchorbar{top:76px}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .rl-section{padding:52px 0}
  .rl-grid-3{grid-template-columns:1fr}
  .rl-header-inner{height:68px}
  .rl-anchorbar{top:68px}
  .rl-hero h1{font-size:28px}
  .rl-cta{padding:32px 22px}
  .rl-panel{padding:22px 20px}
  .rl-mega-panel{width:min(92vw,420px);grid-template-columns:1fr}
}
@media (max-width:520px){
  .rl-stats{grid-template-columns:1fr}
  .rl-footer-grid{grid-template-columns:1fr}
  .rl-hero-card .links{grid-template-columns:1fr}
  .rl-logo-text em{letter-spacing:.06em}
}

/* roulang page: category2 */
:root{
  --brand-700:#0A7F6F;
  --brand-600:#0E9F8A;
  --brand-500:#16B89F;
  --brand-100:#D9F5EF;
  --accent-500:#FF8A3D;
  --accent-100:#FFE7D6;
  --ink:#10151C;
  --muted:#5B6470;
  --bg:#F5F7F6;
  --surface:#FFFFFF;
  --line:#E3E8E6;
  --dark:#0B1210;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 10px 30px rgba(16,21,28,.06);
  --shadow-2:0 16px 40px rgba(16,21,28,.10);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:.01em}
p{margin:0}
:focus-visible{outline:3px solid rgba(22,184,159,.38);outline-offset:2px;border-radius:8px}
section[id]{scroll-margin-top:96px}

.wrap{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
.sec{padding:76px 0}
.sec-tight{padding:56px 0}
.sec-dark{background:var(--dark);color:#fff}
.section-head{max-width:720px;margin-bottom:36px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--brand-700);text-transform:uppercase}
.section-kicker::before{content:"";width:22px;height:2px;background:var(--brand-500);display:inline-block}
h2.section-title{font-size:clamp(26px,3vw,34px);font-weight:800;margin:12px 0 12px}
.section-sub{color:var(--muted);font-size:16px}

/* ============ 头部导航 ============ */
.rl-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
}
.rl-header-inner{display:flex;align-items:center;gap:18px;height:76px}
.rl-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.rl-logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(14,159,138,.28);
}
.rl-logo-text strong{display:block;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.rl-logo-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.22em;color:var(--muted)}
.rl-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.rl-nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;color:#2b333d;transition:color .2s ease,background-color .2s ease;
}
.rl-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:8px;height:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;
  transition:transform .26s ease;
}
.rl-nav-link:hover{color:var(--brand-700);background:rgba(217,245,239,.5)}
.rl-nav-link:hover::after{transform:scaleX(1)}
.rl-nav-link.is-active{color:var(--brand-700);font-weight:700}
.rl-nav-link.is-active::after{transform:scaleX(1)}
.rl-header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}

.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:12px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.rl-btn-sm{min-height:38px;padding:0 14px;font-size:14px}
.rl-btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 22px rgba(14,159,138,.26)}
.rl-btn-primary:hover{background:var(--brand-700)}
.rl-btn-primary:active{transform:scale(.98)}
.rl-btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.rl-btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);background:rgba(217,245,239,.45)}
.rl-btn-accent{background:var(--accent-500);color:#3a1c05;box-shadow:0 12px 26px rgba(255,138,61,.28)}
.rl-btn-accent:hover{background:#ff7a26}
.rl-btn-accent:active{transform:scale(.98)}

/* Mega 面板 */
.rl-mega{position:relative}
.rl-mega-btn{
  display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 16px;
  border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;
  font-size:14px;font-weight:600;transition:border-color .2s,color .2s,background-color .2s;
}
.rl-mega-btn:hover{border-color:var(--brand-500);color:var(--brand-700);background:rgba(217,245,239,.4)}
.rl-mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:640px;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-2);padding:22px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.rl-mega:hover .rl-mega-panel,
.rl-mega:focus-within .rl-mega-panel,
.rl-mega.is-open .rl-mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.rl-mega-title{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--muted);margin-bottom:12px}
.rl-mega-list{display:grid;gap:8px}
.rl-mega-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 12px;border-radius:12px;border:1px solid transparent;
  transition:background-color .2s,border-color .2s,transform .2s;
}
.rl-mega-item b{display:block;font-size:15px;color:var(--ink)}
.rl-mega-item span span{display:block;font-size:12.5px;color:var(--muted);line-height:1.6}
.rl-mega-item:hover{background:rgba(217,245,239,.55);border-color:rgba(22,184,159,.35);transform:translateX(2px)}
.rl-mega-new{display:grid;gap:4px}
.rl-news-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 4px;border-bottom:1px dashed var(--line);font-size:14px}
.rl-news-item em{font-style:normal;font-size:12px;color:var(--brand-700);background:var(--brand-100);padding:2px 10px;border-radius:999px;flex-shrink:0}
.rl-news-item:hover{color:var(--brand-700)}
.rl-mega-more{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13.5px;font-weight:600;color:var(--brand-700)}
.rl-mega-more:hover{gap:10px}

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

/* ============ 分类页小 Hero ============ */
.cat-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.42;
}
.cat-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(11,18,16,.95) 0%,rgba(10,127,111,.74) 56%,rgba(11,18,16,.6) 100%);
}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1.35fr .85fr;gap:40px;align-items:center;padding:56px 0 60px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb span[aria-current]{color:#fff;font-weight:600}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.18;
  letter-spacing:.01em;margin-bottom:16px;max-width:760px;
}
.cat-hero .lead{font-size:clamp(17px,1.8vw,20px);color:#d7efe9;max-width:640px;margin-bottom:16px;font-weight:600}
.cat-hero .desc{font-size:15.5px;line-height:1.95;color:rgba(255,255,255,.82);max-width:660px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;
  border-radius:999px;border:1px solid rgba(255,255,255,.26);
  background:rgba(255,255,255,.09);font-size:13.5px;color:#e7f6f2;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent-500);display:inline-block}
.hero-panel{
  background:rgba(9,22,19,.86);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);padding:24px;
  box-shadow:0 24px 60px rgba(0,0,0,.28);
}
.hero-panel-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.hero-panel-head .dot{width:9px;height:9px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 5px rgba(22,184,159,.18)}
.hero-panel-head strong{font-size:16px;letter-spacing:.04em}
.hero-panel-list{display:grid;gap:12px;margin-bottom:20px}
.hero-panel-list li{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px;color:rgba(255,255,255,.72);border-bottom:1px dashed rgba(255,255,255,.14);padding-bottom:10px}
.hero-panel-list li b{color:#fff;font-weight:700}
.hero-panel-btn{width:100%}

/* ============ 场景卡片 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-500)}
.scene-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#dfe7e4}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.scene-card:hover .scene-media img{transform:scale(1.04)}
.scene-media .badge{position:absolute;left:14px;top:14px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.04em;
  background:var(--brand-100);color:var(--brand-700);border:1px solid rgba(22,184,159,.28);
}
.badge-accent{background:var(--accent-100);color:#9a4a12;border-color:rgba(255,138,61,.35)}
.badge-plain{background:#fff;color:var(--muted);border-color:var(--line)}
.scene-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-body h3{font-size:19px;font-weight:800}
.scene-body p{font-size:14.5px;line-height:1.9;color:var(--muted);flex:1}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-700);transition:gap .2s ease}
.text-link:hover{gap:10px}

/* ============ 时间线 ============ */
.timeline{display:grid;gap:22px;margin-top:8px}
.tl-item{position:relative;display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start}
.tl-item::before{
  content:"";position:absolute;left:26px;top:62px;bottom:-22px;width:2px;
  background:linear-gradient(180deg,rgba(14,159,138,.5),rgba(14,159,138,0));
}
.tl-item:last-child::before{display:none}
.tl-num{
  width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);font-weight:800;font-size:20px;
  border:1px solid rgba(14,159,138,.3);
}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:18px 22px;box-shadow:var(--shadow-1)}
.tl-body h3{font-size:18px;margin-bottom:6px}
.tl-body p{font-size:15px;color:var(--muted);line-height:1.9}

/* ============ 设备对照 ============ */
.device-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:24px;align-items:start}
.device-list{display:grid;gap:14px}
.device-row{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:16px 20px;transition:border-color .2s,box-shadow .2s;
}
.device-row:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1)}
.device-name{font-weight:700;font-size:16px;flex-shrink:0}
.device-tip{font-size:14.5px;color:var(--muted);text-align:right}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-1);
}
.check-card h3{font-size:19px;margin-bottom:6px}
.check-card > p{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.check-list li{display:flex;gap:10px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px}
.check-list li:last-child{border-bottom:0}
.check-list svg{flex-shrink:0;margin-top:5px}

/* ============ 提示 Bento ============ */
.tips-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:20px}
.tip-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tip-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-500)}
.tip-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.tip-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px}
.tip-body h3{font-size:18px;font-weight:800}
.tip-body p{font-size:14.5px;color:var(--muted);line-height:1.9}
.tip-card-wide .tip-body{padding:24px 26px 26px}
.tip-card-wide h3{font-size:21px}

/* ============ FAQ ============ */
.faq-list{max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item + .faq-item{margin-top:12px}
.faq-item:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:62px;padding:16px 22px;cursor:pointer;font-size:17px;font-weight:700;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--brand-600);
  transition:transform .24s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--brand-700)}
.faq-body{padding:0 22px 20px;font-size:15.5px;line-height:1.95;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(118deg,var(--dark) 0%,#0A7F6F 100%);
  border-radius:24px;padding:46px 48px;color:#fff;
  display:grid;grid-template-columns:1.4fr auto;gap:28px;align-items:center;
  box-shadow:0 24px 60px rgba(11,18,16,.28);
}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.rl-footer{background:var(--dark);color:#c9d3cf;padding:60px 0 26px;margin-top:80px}
.rl-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:34px}
.rl-footer h4{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.06em}
.rl-footer p{font-size:14px;color:#a9b6b1;line-height:1.9}
.rl-footer a{display:block;font-size:14px;color:#a9b6b1;padding:6px 0;transition:color .2s ease,transform .2s ease}
.rl-footer a:hover{color:#5fe0c9;transform:translateX(2px)}
.brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.brand-row strong{color:#fff;font-size:16px}
.rl-footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8b9a95;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .rl-nav{
    position:fixed;left:0;right:0;top:76px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 20px 22px;box-shadow:var(--shadow-1);
    max-height:calc(100vh - 76px);overflow:auto;
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
  }
  .rl-header.is-nav-open .rl-nav{opacity:1;visibility:visible;transform:none}
  .rl-nav-link{padding:12px 10px;font-size:16px;border-radius:12px}
  .rl-nav-link::after{display:none}
  .rl-nav-link.is-active{background:var(--brand-100)}
  .rl-menu-btn{display:flex}
  .rl-mega-panel{width:min(92vw,560px)}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px;padding:44px 0 52px}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tips-grid{grid-template-columns:1fr 1fr}
  .tip-card-wide{grid-column:span 2}
  .device-grid{grid-template-columns:1fr}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:38px 32px}
}
@media (max-width:640px){
  .wrap{padding-left:18px;padding-right:18px}
  .sec{padding:56px 0}
  .sec-tight{padding:44px 0}
  .scene-grid{grid-template-columns:1fr}
  .tips-grid{grid-template-columns:1fr}
  .tip-card-wide{grid-column:auto}
  .tl-item{grid-template-columns:52px 1fr;gap:14px}
  .tl-num{width:44px;height:44px;font-size:17px;border-radius:14px}
  .tl-item::before{left:21px;top:52px}
  .device-row{flex-direction:column;align-items:flex-start;gap:6px}
  .device-tip{text-align:left}
  .rl-footer-grid{grid-template-columns:1fr}
  .rl-footer{padding:48px 0 22px;margin-top:56px}
  .cta-band{padding:30px 22px;border-radius:20px}
  .hero-cta .rl-btn{width:100%}
  .rl-mega-panel{width:min(94vw,420px);grid-template-columns:1fr;padding:18px}
  .faq-item summary{font-size:16px;padding:14px 18px}
  .faq-body{padding:14px 18px 18px}
}

/* roulang page: category4 */
:root{
    --brand-700:#0A7F6F;
    --brand-600:#0E9F8A;
    --brand-500:#16B89F;
    --brand-100:#D9F5EF;
    --accent-500:#FF8A3D;
    --accent-100:#FFE7D6;
    --ink:#10151C;
    --muted:#5B6470;
    --bg:#F5F7F6;
    --surface:#FFFFFF;
    --line:#E3E8E6;
    --dark-section:#0B1210;
    --radius-card:18px;
    --radius-btn:12px;
    --radius-input:10px;
    --shadow-sm:0 2px 10px rgba(16,21,28,.05);
    --shadow-md:0 10px 30px rgba(16,21,28,.06);
    --shadow-lg:0 16px 40px rgba(16,21,28,.10);
    --wrap:1240px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.9;
    letter-spacing:.02em;
  }
  body.drawer-open{overflow:hidden}
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
  h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:.01em}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:3px solid rgba(22,184,159,.4);outline-offset:2px;border-radius:10px}

  .wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

  /* ============ 顶部导航 ============ */
  .rl-header{
    position:sticky;top:0;z-index:80;
    background:rgba(255,255,255,.96);
    border-bottom:1px solid var(--line);
    box-shadow:0 4px 18px rgba(16,21,28,.04);
  }
  .rl-header-inner{
    display:flex;align-items:center;gap:28px;
    min-height:76px;
  }
  .rl-logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
  .rl-logo-mark{
    width:42px;height:42px;border-radius:13px;
    background:linear-gradient(140deg,var(--brand-600),var(--brand-700));
    color:#fff;font-weight:800;font-size:20px;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 8px 20px rgba(14,159,138,.28);
  }
  .rl-logo-text{display:flex;flex-direction:column;line-height:1.15}
  .rl-logo-text strong{font-size:17px;font-weight:800;letter-spacing:.03em}
  .rl-logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.08em}

  .rl-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1}
  .rl-nav-link{
    position:relative;padding:10px 14px;border-radius:10px;
    font-size:15px;color:#2B3340;transition:color .2s ease,background .2s ease;
  }
  .rl-nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
    background:var(--brand-600);border-radius:2px;
    transform:scaleX(0);transform-origin:left center;transition:transform .25s ease;
  }
  .rl-nav-link:hover{color:var(--brand-700);background:var(--brand-100)}
  .rl-nav-link:hover::after{transform:scaleX(1)}
  .rl-nav-link.is-active{color:var(--brand-700);font-weight:700;background:var(--brand-100)}
  .rl-nav-link.is-active::after{transform:scaleX(1)}

  .rl-header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}

  .rl-btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-btn);font-weight:700;letter-spacing:.02em;
    padding:12px 22px;font-size:15px;transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  }
  .rl-btn:active{transform:scale(.98)}
  .rl-btn-sm{padding:9px 16px;font-size:14px}
  .rl-btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px rgba(14,159,138,.26)}
  .rl-btn-primary:hover{background:var(--brand-700);box-shadow:0 14px 30px rgba(10,127,111,.32)}
  .rl-btn-accent{background:var(--accent-500);color:#2A1405;box-shadow:0 10px 24px rgba(255,138,61,.28)}
  .rl-btn-accent:hover{background:#F97B2A}
  .rl-btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
  .rl-btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
  .rl-btn-line{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff}
  .rl-btn-line:hover{background:rgba(255,255,255,.14);border-color:#fff}

  /* Mega 面板 */
  .rl-mega{position:relative}
  .rl-mega-btn{
    padding:9px 16px;border-radius:12px;font-size:14px;font-weight:700;
    border:1px solid var(--line);background:#fff;color:var(--ink);
    transition:border-color .2s ease,color .2s ease,background .2s ease;
  }
  .rl-mega-btn:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
  .rl-mega-panel{
    position:absolute;right:0;top:calc(100% + 14px);width:640px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow-lg);padding:22px;
    display:grid;grid-template-columns:1fr 1fr;gap:22px;
    opacity:0;visibility:hidden;transform:translateY(6px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  }
  .rl-mega:hover .rl-mega-panel,
  .rl-mega:focus-within .rl-mega-panel,
  .rl-mega.is-open .rl-mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
  .rl-mega-title{font-size:13px;font-weight:800;color:var(--brand-700);letter-spacing:.12em;margin-bottom:12px}
  .rl-mega-list{display:flex;flex-direction:column;gap:8px}
  .rl-mega-item{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:10px 12px;border-radius:12px;border:1px solid transparent;
    transition:background .2s ease,border-color .2s ease,transform .2s ease;
  }
  .rl-mega-item:hover{background:var(--brand-100);border-color:var(--brand-500);transform:translateX(2px)}
  .rl-mega-item b{display:block;font-size:14px;font-weight:700}
  .rl-mega-item span span{display:block;font-size:12px;color:var(--muted);line-height:1.6}
  .rl-mega-new{display:flex;flex-direction:column;gap:10px}
  .rl-mega-new a{
    font-size:14px;color:#2B3340;padding:9px 12px;border-radius:12px;
    background:#F7FAF9;border:1px solid var(--line);
    transition:border-color .2s ease,color .2s ease,background .2s ease;
    display:block;
  }
  .rl-mega-new a:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}

  /* 汉堡与抽屉 */
  .rl-burger{
    display:none;width:46px;height:46px;border-radius:12px;
    border:1px solid var(--line);background:#fff;
    align-items:center;justify-content:center;flex-direction:column;gap:5px;
  }
  .rl-burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
  .rl-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .rl-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
  .rl-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .rl-drawer{
    display:none;flex-direction:column;gap:6px;
    padding:14px 24px 20px;background:#fff;border-bottom:1px solid var(--line);
  }
  .rl-drawer.is-open{display:flex}
  .rl-drawer a{
    min-height:48px;display:flex;align-items:center;
    padding:0 14px;border-radius:12px;font-size:16px;font-weight:600;
    border:1px solid var(--line);
  }
  .rl-drawer a.is-active{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-500)}

  /* ============ 通用板块 ============ */
  .rl-section{padding:76px 0}
  .rl-section-tight{padding:56px 0}
  .rl-section-dark{background:var(--dark-section);color:#fff}
  .rl-section-head{max-width:760px;margin-bottom:36px}
  .rl-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--brand-700);
    background:var(--brand-100);border-radius:999px;padding:6px 14px;margin-bottom:16px;
  }
  .rl-h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;margin-bottom:14px}
  .rl-h3{font-size:20px;font-weight:700;margin-bottom:10px}
  .rl-lead{color:var(--muted);font-size:17px;line-height:1.95}

  /* ============ Hero ============ */
  .rl-hero{
    position:relative;overflow:hidden;
    background-image:linear-gradient(120deg,rgba(11,18,16,.92),rgba(10,127,111,.74)),url("/assets/images/backpic/back-2.webp");
    background-size:cover;background-position:center;
    color:#fff;padding:56px 0 64px;
  }
  .rl-hero::after{
    content:"";position:absolute;inset:auto -80px -140px auto;width:420px;height:420px;
    background:radial-gradient(circle,rgba(255,138,61,.34),transparent 68%);pointer-events:none;
  }
  .rl-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:22px}
  .rl-crumb a:hover{color:#fff;text-decoration:underline}
  .rl-hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:40px;align-items:center;position:relative;z-index:2}
  .rl-hero h1{font-size:clamp(32px,4.4vw,50px);font-weight:800;line-height:1.18;letter-spacing:.01em}
  .rl-hero h1 span{color:var(--accent-500)}
  .rl-hero-sub{margin-top:18px;font-size:18px;color:rgba(255,255,255,.86);max-width:44ch}
  .rl-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
  .rl-hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
  .rl-chip{
    font-size:13px;padding:7px 14px;border-radius:999px;
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#fff;
  }

  .rl-hero-card{
    background:#fff;color:var(--ink);border-radius:20px;padding:24px;
    box-shadow:var(--shadow-lg);border:1px solid var(--line);
  }
  .rl-hero-card h3{font-size:17px;font-weight:800;margin-bottom:14px}
  .rl-hero-meta{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
  .rl-hero-meta-row{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--muted)}
  .rl-hero-meta-row b{color:var(--ink);font-weight:700}
  .rl-status{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--brand-700);font-weight:700}
  .rl-status i{width:9px;height:9px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 4px rgba(22,184,159,.18);display:inline-block}
  .rl-hero-links{display:flex;flex-direction:column;gap:8px}
  .rl-hero-links a{
    display:flex;align-items:center;justify-content:space-between;
    font-size:14px;padding:11px 13px;border-radius:12px;
    background:#F7FAF9;border:1px solid var(--line);
    transition:border-color .2s ease,color .2s ease,background .2s ease;
  }
  .rl-hero-links a:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}

  /* ============ 数据条 ============ */
  .rl-stats{
    background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  }
  .rl-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 0}
  .rl-stat b{display:block;font-size:26px;font-weight:800;color:var(--brand-700);line-height:1.3}
  .rl-stat span{font-size:13px;color:var(--muted)}

  /* ============ 卡片 ============ */
  .rl-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
  .rl-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
  .rl-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;box-shadow:var(--shadow-sm);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    display:flex;flex-direction:column;
  }
  .rl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--brand-500)}
  .rl-card-media{position:relative;aspect-ratio:16/10;overflow:hidden}
  .rl-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
  .rl-card:hover .rl-card-media img{transform:scale(1.03)}
  .rl-badge{
    position:absolute;left:14px;top:14px;z-index:2;
    font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
    background:rgba(11,18,16,.78);color:#fff;backdrop-filter:blur(2px);
  }
  .rl-badge.brand{background:var(--brand-600)}
  .rl-badge.accent{background:var(--accent-500);color:#2A1405}
  .rl-card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
  .rl-card-body p{color:var(--muted);font-size:15px}
  .rl-quote{
    border-left:3px solid var(--brand-500);padding:4px 0 4px 14px;
    font-size:15px;color:#2B3340;
  }
  .rl-points{display:flex;flex-wrap:wrap;gap:8px}
  .rl-point{
    font-size:13px;padding:5px 12px;border-radius:999px;
    background:var(--brand-100);color:var(--brand-700);font-weight:700;
  }
  .rl-card-foot{
    margin-top:auto;display:flex;align-items:center;justify-content:space-between;
    font-size:13px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);
  }
  .rl-arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:700;font-size:14px}
  .rl-arrow-link i{font-style:normal;transition:transform .2s ease}
  .rl-arrow-link:hover i{transform:translateX(3px)}

  .rl-card-feature{grid-column:span 2}
  .rl-card-feature .rl-card-media{aspect-ratio:16/8}

  /* ============ 步骤时间线 ============ */
  .rl-steps{display:flex;flex-direction:column;gap:0;position:relative}
  .rl-step{
    display:grid;grid-template-columns:84px 1fr;gap:22px;
    padding:22px 0;border-bottom:1px dashed var(--line);
  }
  .rl-step:last-child{border-bottom:0}
  .rl-step-num{
    font-size:34px;font-weight:800;color:var(--brand-500);line-height:1;
    letter-spacing:.02em;
  }
  .rl-step h3{font-size:19px;font-weight:700;margin-bottom:6px}
  .rl-step p{color:var(--muted);font-size:15px}

  /* ============ 清单 ============ */
  .rl-checklist{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px}
  .rl-check{
    display:flex;gap:12px;align-items:flex-start;
    background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .rl-check:hover{border-color:var(--brand-500);box-shadow:var(--shadow-md)}
  .rl-check i{
    flex-shrink:0;width:24px;height:24px;border-radius:8px;background:var(--brand-100);
    color:var(--brand-700);font-style:normal;font-weight:800;font-size:14px;
    display:flex;align-items:center;justify-content:center;
  }
  .rl-check b{display:block;font-size:15px;font-weight:700;margin-bottom:2px}
  .rl-check span{font-size:14px;color:var(--muted)}

  /* ============ 评分对照 ============ */
  .rl-compare{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;box-shadow:var(--shadow-sm);
  }
  .rl-compare-row{
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;align-items:center;
    padding:16px 22px;border-bottom:1px solid var(--line);font-size:15px;
  }
  .rl-compare-row:last-child{border-bottom:0}
  .rl-compare-row.head{
    background:#0F1A17;color:#fff;font-weight:700;font-size:14px;letter-spacing:.06em;
  }
  .rl-compare-row span:first-child{font-weight:700}
  .rl-score{font-weight:800;color:var(--brand-700)}
  .rl-score.mid{color:var(--accent-500)}

  /* ============ 引述带 ============ */
  .rl-quote-band{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .rl-quote-card{
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
    border-radius:16px;padding:22px;
  }
  .rl-quote-card p{font-size:15.5px;color:rgba(255,255,255,.9);margin-bottom:14px}
  .rl-quote-card b{font-size:13px;color:var(--brand-500);font-weight:700;letter-spacing:.06em}

  /* ============ FAQ ============ */
  .rl-faq-list{display:flex;flex-direction:column;gap:12px;max-width:960px}
  .rl-faq{
    background:var(--surface);border:1px solid var(--line);border-radius:14px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .rl-faq[open]{border-color:var(--brand-500);box-shadow:var(--shadow-md)}
  .rl-faq summary{
    list-style:none;cursor:pointer;min-height:60px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:16px 22px;font-size:17px;font-weight:700;
  }
  .rl-faq summary::-webkit-details-marker{display:none}
  .rl-faq summary::after{
    content:"+";font-size:22px;font-weight:700;color:var(--brand-600);
    transition:transform .22s ease;line-height:1;
  }
  .rl-faq[open] summary::after{content:"−";transform:rotate(180deg)}
  .rl-faq-body{padding:0 22px 20px;color:var(--muted);font-size:15.5px;line-height:1.95}

  /* ============ CTA 带 ============ */
  .rl-cta{
    background:linear-gradient(120deg,var(--brand-700),#083B34 70%);
    color:#fff;border-radius:24px;padding:46px 44px;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
    box-shadow:var(--shadow-lg);
  }
  .rl-cta h2{font-size:clamp(24px,3vw,32px);font-weight:800;margin-bottom:10px}
  .rl-cta p{color:rgba(255,255,255,.82);font-size:16px;max-width:52ch}
  .rl-cta-actions{display:flex;flex-wrap:wrap;gap:14px}

  /* ============ 页脚 ============ */
  .rl-footer{background:#0B1210;color:rgba(255,255,255,.72);padding:60px 0 26px;margin-top:24px}
  .rl-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:34px}
  .rl-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;letter-spacing:.06em}
  .rl-footer a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.72);transition:color .2s ease}
  .rl-footer a:hover{color:var(--brand-500)}
  .rl-footer p{font-size:14px;line-height:1.9}
  .brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .brand-row strong{color:#fff;font-size:16px;font-weight:800}
  .rl-footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.55);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1080px){
    .rl-nav{display:none}
    .rl-header-actions{gap:8px}
    .rl-mega{display:none}
    .rl-burger{display:flex}
    .rl-hero-grid{grid-template-columns:1fr;gap:32px}
    .rl-grid-3{grid-template-columns:repeat(2,1fr)}
    .rl-card-feature{grid-column:span 2}
    .rl-quote-band{grid-template-columns:1fr}
    .rl-footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  }
  @media (max-width:768px){
    .wrap{padding:0 20px}
    .rl-section{padding:56px 0}
    .rl-section-tight{padding:44px 0}
    .rl-stats-grid{grid-template-columns:1fr 1fr;gap:14px}
    .rl-grid-3,.rl-grid-2{grid-template-columns:1fr}
    .rl-card-feature{grid-column:span 1}
    .rl-card-feature .rl-card-media{aspect-ratio:16/10}
    .rl-checklist{grid-template-columns:1fr}
    .rl-step{grid-template-columns:56px 1fr;gap:16px}
    .rl-step-num{font-size:26px}
    .rl-compare-row{grid-template-columns:1.2fr 1fr 1fr 1fr;font-size:13.5px;padding:14px 16px}
    .rl-cta{padding:32px 24px}
    .rl-faq summary{font-size:16px;padding:14px 18px}
    .rl-faq-body{padding:0 18px 18px}
  }
  @media (max-width:520px){
    .rl-header-inner{min-height:68px;gap:12px}
    .rl-logo-text em{display:none}
    .rl-header-actions .rl-btn-ghost{display:none}
    .rl-hero{padding:40px 0 48px}
    .rl-hero-cta .rl-btn{width:100%}
    .rl-hero-cta{flex-direction:column;align-items:stretch}
    .rl-card-body{padding:18px}
    .rl-footer-grid{grid-template-columns:1fr}
    .rl-compare-row{grid-template-columns:1fr 1fr;row-gap:6px}
    .rl-compare-row.head span:nth-child(2){display:none}
    .rl-compare-row.head span:nth-child(3){display:none}
    .rl-compare-row.head span:nth-child(4){display:none}
    .rl-compare-row span:first-child{grid-column:span 2}
  }