/* roulang page: index */
:root{
  --c-primary:#14625C;
  --c-primary-600:#0F4F4A;
  --c-primary-300:#7FB3AC;
  --c-primary-050:#EAF2F0;
  --c-accent:#D9812F;
  --c-accent-050:#FBEEE0;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-deep:#0F1E1C;
  --c-text:#16211F;
  --c-text-2:#4C5B58;
  --c-text-3:#7E8B88;
  --c-line:#E4E0D6;
  --sh-1:0 1px 2px rgba(15,30,28,.05);
  --sh-2:0 10px 28px -14px rgba(15,30,28,.16);
  --sh-3:0 22px 48px -22px rgba(15,30,28,.22);
  --r-card:16px;
  --r-img:14px;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-text-2);
  background:var(--c-bg);
  overflow-x:hidden;
}
body.rl-lock{overflow:hidden}
h1,h2,h3,h4,h5{font-family:var(--font-display);color:var(--c-text);font-weight:600;margin:0;letter-spacing:-.01em}
p{margin:0 0 1em}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-600)}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
section{scroll-margin-top:110px}
strong{color:var(--c-text);font-weight:600}
::selection{background:var(--c-primary-050);color:var(--c-primary-600)}

/* ---------- 容器与栅格 ---------- */
.grid-container.rl-container{max-width:1300px;padding-left:40px;padding-right:40px;margin-left:auto;margin-right:auto}
.rl-grid{margin-left:-14px;margin-right:-14px}
.rl-grid>.cell{padding-left:14px;padding-right:14px}
.rl-section{padding:120px 0;position:relative}
.rl-section--tight{padding:96px 0}
.rl-section--paper{background:var(--c-surface)}
.rl-section--line{border-top:1px solid var(--c-line)}

/* ---------- 通用文字 ---------- */
.rl-h1{font-size:48px;line-height:1.18;font-weight:600;letter-spacing:-.01em}
.rl-h2{font-size:34px;line-height:1.25;font-weight:600;position:relative;padding-top:22px}
.rl-h2::before{content:"";position:absolute;top:0;left:0;width:28px;height:2px;background:var(--c-primary)}
.rl-h3{font-family:var(--font-sans);font-size:20px;line-height:1.4;font-weight:600}
.rl-lead{font-size:17px;color:var(--c-text-2);max-width:640px;margin-top:18px}
.rl-meta{font-size:13px;letter-spacing:.02em;color:var(--c-text-3)}
.rl-meta span{display:inline-block}
.rl-meta span+span::before{content:"";display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--c-line);margin:0 10px;vertical-align:middle}
.rl-num{font-family:var(--font-num);font-weight:700;letter-spacing:-.02em}
.rl-accent{color:var(--c-accent)}

/* ---------- 按钮 ---------- */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:500;line-height:1;border:1px solid transparent;transition:background-color .2s cubic-bezier(.22,.61,.36,1),color .2s cubic-bezier(.22,.61,.36,1),transform .2s cubic-bezier(.22,.61,.36,1),box-shadow .2s cubic-bezier(.22,.61,.36,1),border-color .2s ease;cursor:pointer;text-decoration:none;white-space:nowrap}
.rl-btn i{transition:transform .2s ease}
.rl-btn--primary{background:var(--c-primary);color:#fff}
.rl-btn--primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.rl-btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);background:var(--c-primary-600)}
.rl-btn--ghost{background:transparent;border-color:var(--c-line);color:var(--c-text)}
.rl-btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-050)}
.rl-btn--ghost:hover i{transform:translateX(3px)}
.rl-btn--light{background:#fff;color:var(--c-primary-600)}
.rl-btn--light:hover{background:var(--c-accent-050);color:var(--c-primary-600);transform:translateY(-1px)}
.rl-btn--sm{height:40px;padding:0 20px;font-size:14px}
.rl-btn--block{width:100%}
.rl-btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.rl-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--c-primary)}
.rl-link-arrow i{transition:transform .2s ease}
.rl-link-arrow:hover i{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.rl-badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;letter-spacing:.02em;background:var(--c-primary-050);color:var(--c-primary);white-space:nowrap}
.rl-badge--accent{background:var(--c-accent-050);color:var(--c-accent)}
.rl-badge--outline{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2)}
.rl-badge--pill{height:32px;padding:0 16px;font-size:13px;font-weight:500}

/* ---------- Dock 导航 ---------- */
.rl-dock{position:fixed;top:20px;left:0;right:0;z-index:950;display:flex;justify-content:center;padding:0 20px;pointer-events:none}
.rl-dock__inner{pointer-events:auto;display:flex;align-items:center;justify-content:space-between;gap:32px;width:100%;max-width:1120px;height:64px;padding:0 12px 0 22px;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--c-line);border-radius:999px;box-shadow:var(--sh-2);transition:height .24s cubic-bezier(.22,.61,.36,1),box-shadow .24s ease,background-color .24s ease}
.rl-dock.is-shrink .rl-dock__inner{height:56px;box-shadow:var(--sh-3)}
.rl-logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-text);letter-spacing:-.01em}
.rl-logo:hover{color:var(--c-primary)}
.rl-logo__mark{width:10px;height:10px;border-radius:3px;background:var(--c-primary);transition:transform .18s ease}
.rl-logo:hover .rl-logo__mark{transform:rotate(45deg)}
.rl-logo__divider{color:var(--c-primary-300);margin:0 2px;font-weight:400}
.rl-nav{display:flex;align-items:center;gap:32px}
.rl-nav__link{position:relative;font-size:14px;font-weight:500;color:var(--c-text-2);padding:6px 0}
.rl-nav__link::after{content:"";position:absolute;left:50%;bottom:0;width:4px;height:4px;border-radius:50%;background:var(--c-primary);transform:translate(-50%,4px);opacity:0;transition:opacity .2s ease,transform .2s ease}
.rl-nav__link:hover{color:var(--c-primary)}
.rl-nav__link:hover::after{opacity:1;transform:translate(-50%,0)}
.rl-nav__link.is-active{color:var(--c-primary);font-weight:500}
.rl-nav__link.is-active::after{opacity:1;transform:translate(-50%,0)}
.rl-nav__link:focus-visible{outline:2px solid var(--c-accent);outline-offset:4px;border-radius:4px}
.rl-dock__actions{display:flex;align-items:center;gap:12px}
.rl-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--c-line);color:var(--c-text-2);background:#fff;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
.rl-icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary-300);background:var(--c-primary-050)}
.rl-icon-btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.rl-burger{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--c-line);color:var(--c-text);background:#fff}
.rl-burger:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

/* ---------- 移动抽屉 ---------- */
.rl-drawer{position:fixed;inset:0;z-index:9999;background:var(--c-bg);display:flex;flex-direction:column;padding:24px 24px 32px;opacity:0;visibility:hidden;transform:translateY(100%);transition:opacity .26s ease,transform .3s cubic-bezier(.22,.61,.36,1),visibility .3s}
.rl-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.rl-drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px}
.rl-drawer__nav{display:flex;flex-direction:column;gap:32px;flex:1}
.rl-drawer__nav a{font-family:var(--font-display);font-size:20px;color:var(--c-text)}
.rl-drawer__nav a.is-active{color:var(--c-primary)}
.rl-drawer__nav a:focus-visible{outline:2px solid var(--c-accent);outline-offset:4px;border-radius:4px}
.rl-drawer__foot{display:flex;flex-direction:column;gap:14px}
.rl-drawer__note{font-size:13px;color:var(--c-text-3)}

/* ---------- Hero ---------- */
.rl-hero{position:relative;padding:168px 0 110px;overflow:hidden}
.rl-hero__wash{position:absolute;inset:0;background:
  radial-gradient(120% 80% at 88% 8%,rgba(20,98,92,.08) 0%,rgba(20,98,92,0) 62%),
  repeating-linear-gradient(115deg,rgba(20,98,92,.05) 0 1px,rgba(20,98,92,0) 1px 46px);
  opacity:.85;pointer-events:none}
.rl-hero .grid-container{position:relative;z-index:1}
.rl-hero__badge{margin-bottom:26px;display:inline-flex}
.rl-hero__sub{font-size:19px;line-height:1.7;color:var(--c-text-2);margin:20px 0 0;max-width:520px}
.rl-hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.rl-hero__meta{margin-top:52px;border-top:1px solid var(--c-line);padding-top:28px}
.rl-hero__meta .cell{display:flex;flex-direction:column;gap:6px;padding-right:12px}
.rl-hero__meta strong{font-size:15px;font-weight:600;color:var(--c-text)}
.rl-hero__meta span{font-size:13px;color:var(--c-text-3);line-height:1.6}
.rl-hero__media{margin-top:8px}
.rl-figure{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--c-primary-050);box-shadow:var(--sh-3)}
.rl-figure img{width:100%;aspect-ratio:4/5;object-fit:cover}
.rl-figure--wide img{aspect-ratio:16/9}
.rl-figure__frame{position:absolute;inset:24px -24px -24px 24px;border:1px solid var(--c-primary-300);border-radius:var(--r-img);pointer-events:none;z-index:-1}

/* ---------- 卖点区 ---------- */
.rl-value__aside{position:sticky;top:130px}
.rl-value__toc{margin-top:28px;display:flex;flex-direction:column;gap:12px;border-top:1px solid var(--c-line);padding-top:24px}
.rl-value__toc a{font-size:14px;color:var(--c-text-2);display:inline-flex;gap:8px;align-items:center}
.rl-value__toc a::before{content:"";width:14px;height:1px;background:var(--c-line);transition:width .2s ease,background-color .2s ease}
.rl-value__toc a:hover{color:var(--c-primary)}
.rl-value__toc a:hover::before{width:22px;background:var(--c-primary)}
.rl-value__list{border-top:1px solid var(--c-line)}
.rl-value__item{display:grid;grid-template-columns:72px 1fr;gap:24px;padding:30px 20px 30px 12px;border-bottom:1px solid var(--c-line);border-radius:10px;transition:background-color .22s ease}
.rl-value__item:hover{background:var(--c-primary-050)}
.rl-value__no{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--c-text-3);letter-spacing:.08em;padding-top:4px;transition:color .22s ease}
.rl-value__item:hover .rl-value__no{color:var(--c-accent)}
.rl-value__body p{margin:10px 0 0;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ---------- 演示区 ---------- */
.rl-demo__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.rl-track{display:flex;gap:28px;overflow-x:auto;padding:32px 4px 52px;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none}
.rl-track::-webkit-scrollbar{display:none}
.rl-track__item{flex:0 0 320px;scroll-snap-align:start}
.rl-track__item:nth-child(even){margin-top:20px}
.rl-card{display:flex;flex-direction:column;height:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;position:relative;transition:transform .22s cubic-bezier(.22,.61,.36,1),box-shadow .22s ease}
.rl-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--c-primary);opacity:0;transition:opacity .22s ease}
.rl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rl-card:hover::before{opacity:1}
.rl-card__media{overflow:hidden;background:var(--c-primary-050)}
.rl-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.rl-card:hover .rl-card__media img{transform:scale(1.03)}
.rl-card__body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.rl-card__body p{margin:0;font-size:15px;line-height:1.75;color:var(--c-text-2)}
.rl-card__foot{margin-top:auto;padding-top:8px}

/* ---------- 证据区 ---------- */
.rl-proof{background:var(--c-primary-050);border-radius:24px;padding:64px 56px}
.rl-proof__stats{display:flex;flex-direction:column;gap:36px}
.rl-proof__stat .rl-num{font-size:46px;line-height:1;color:var(--c-primary)}
.rl-proof__stat span{display:block;margin-top:10px;font-size:13px;color:var(--c-text-3)}
.rl-proof__divider{border-left:1px solid var(--c-line);padding-left:56px;display:flex;flex-direction:column;gap:34px;justify-content:center}
.rl-proof__quote{font-family:var(--font-display);font-size:19px;line-height:1.7;color:var(--c-text)}
.rl-proof__quote cite{display:block;margin-top:12px;font-family:var(--font-sans);font-style:normal;font-size:13px;color:var(--c-text-3)}

/* ---------- 最新信息（CMS） ---------- */
.rl-news__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.rl-news-lead{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);height:100%;transition:transform .22s cubic-bezier(.22,.61,.36,1),box-shadow .22s ease}
.rl-news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rl-news-lead__link{display:flex;flex-direction:column;height:100%;color:inherit}
.rl-news-lead__link:hover{color:inherit}
.rl-news-lead__media{overflow:hidden;background:var(--c-primary-050)}
.rl-news-lead__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.rl-news-lead:hover .rl-news-lead__media img{transform:scale(1.03)}
.rl-news-lead__body{padding:26px 28px 30px;display:flex;flex-direction:column;gap:14px}
.rl-news-lead__title{font-size:22px;font-family:var(--font-sans);font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-news-lead__desc{margin:0;font-size:15px;line-height:1.8;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-news-list{display:flex;flex-direction:column;border-top:1px solid var(--c-line);height:100%}
.rl-news-item{border-bottom:1px solid var(--c-line)}
.rl-news-item a{display:grid;grid-template-columns:88px 1fr;gap:18px;align-items:center;padding:18px 8px;color:inherit}
.rl-news-item a:hover{color:inherit}
.rl-news-item__thumb{width:88px;height:88px;border-radius:12px;overflow:hidden;background:var(--c-primary-050);display:flex;align-items:center;justify-content:center}
.rl-news-item__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rl-news-item a:hover .rl-news-item__thumb img{transform:scale(1.03)}
.rl-news-item__thumb span{font-family:var(--font-display);font-size:26px;color:var(--c-primary)}
.rl-news-item__title{font-family:var(--font-sans);font-size:16px;font-weight:600;line-height:1.5;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.rl-news-item a:hover .rl-news-item__title{color:var(--c-primary)}
.rl-news-item__meta{margin-top:6px;font-size:13px;color:var(--c-text-3);display:flex;align-items:center;gap:10px}
.rl-empty{border:1px dashed var(--c-line);background:var(--c-bg);border-radius:var(--r-card);min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:40px 24px}
.rl-empty i{font-size:40px;color:var(--c-primary-300)}
.rl-empty strong{font-size:16px;font-family:var(--font-sans)}
.rl-empty span{font-size:13px;color:var(--c-text-3)}

/* ---------- 价格区 ---------- */
.rl-price__bar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;padding:14px 26px;margin:36px 0 40px;font-size:14px;color:var(--c-text-2)}
.rl-price__grid{display:flex;gap:28px;align-items:stretch;flex-wrap:wrap}
.rl-plan{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:36px 34px;box-shadow:var(--sh-1);display:flex;flex-direction:column;position:relative;transition:transform .22s cubic-bezier(.22,.61,.36,1),box-shadow .22s ease}
.rl-plan:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rl-plan--main{flex:0 0 calc(54% - 14px);border-color:var(--c-primary);box-shadow:var(--sh-3)}
.rl-plan--side{flex:0 0 calc(46% - 14px)}
.rl-plan__tag{position:absolute;top:-13px;left:34px}
.rl-plan__name{font-size:18px;font-weight:600;color:var(--c-text);font-family:var(--font-sans)}
.rl-plan__price{margin:20px 0 6px;display:flex;align-items:baseline;gap:8px}
.rl-plan__price .rl-num{font-size:44px;color:var(--c-primary)}
.rl-plan--side .rl-plan__price .rl-num{color:var(--c-text)}
.rl-plan__price em{font-style:normal;font-size:14px;color:var(--c-text-3)}
.rl-plan__desc{font-size:15px;color:var(--c-text-2);margin:0 0 24px}
.rl-plan__list{display:flex;flex-direction:column;gap:14px;border-top:1px solid var(--c-line);padding-top:24px;margin-bottom:32px}
.rl-plan__list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:var(--c-text-2)}
.rl-plan__list i{color:var(--c-primary);font-size:13px;margin-top:7px}
.rl-plan__cta{margin-top:auto}

/* ---------- FAQ ---------- */
.rl-faq__aside{position:sticky;top:130px}
.rl-faq__contact{margin-top:26px;font-size:14px;color:var(--c-text-2)}
.rl-faq__list{border-top:1px solid var(--c-line)}
.rl-faq__item{border-bottom:1px solid var(--c-line)}
.rl-faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:24px 8px 24px 0;font-size:17px;font-weight:600;color:var(--c-text);font-family:var(--font-sans);line-height:1.6;position:relative;transition:color .2s ease}
.rl-faq__q:hover{color:var(--c-primary)}
.rl-faq__q::before{content:"";position:absolute;top:0;left:0;width:0;height:2px;background:var(--c-primary);transition:width .24s ease}
.rl-faq__item.is-open .rl-faq__q::before{width:56px}
.rl-faq__q:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.rl-faq__sign{flex:0 0 auto;width:26px;height:26px;border-radius:999px;border:1px solid var(--c-line);display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:var(--c-text-3);transition:background-color .2s ease,color .2s ease,border-color .2s ease}
.rl-faq__item.is-open .rl-faq__sign{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.rl-faq__a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.rl-faq__a p{margin:0;padding:0 60px 26px 0;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ---------- CTA / 表单 ---------- */
.rl-cta{background:var(--c-deep);border-radius:24px;padding:64px 56px;color:#C9D5D2;position:relative;overflow:hidden}
.rl-cta__img{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.12;pointer-events:none}
.rl-cta .grid-container,.rl-cta__inner{position:relative;z-index:1}
.rl-cta h2{color:#fff}
.rl-cta h2::before{background:var(--c-accent)}
.rl-cta p{color:#A9B8B5;font-size:15px;margin-top:16px;max-width:400px}
.rl-form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.rl-field{display:flex;flex-direction:column;gap:8px}
.rl-field--full{grid-column:1/-1}
.rl-field label{font-size:13px;color:#A9B8B5;letter-spacing:.02em}
.rl-field input,.rl-field textarea{width:100%;height:48px;padding:0 16px;border-radius:12px;border:1px solid rgba(228,224,214,.22);background:rgba(255,255,255,.06);color:#fff;font-family:inherit;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}
.rl-field textarea{height:96px;padding:14px 16px;resize:vertical;line-height:1.7}
.rl-field input::placeholder,.rl-field textarea::placeholder{color:rgba(201,213,210,.5)}
.rl-field input:focus,.rl-field textarea:focus{outline:none;border-color:var(--c-primary-300);box-shadow:0 0 0 3px rgba(127,179,172,.18);background:rgba(255,255,255,.1)}
.rl-form__foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:4px}
.rl-form__note{font-size:13px;color:#8FA09D}

/* ---------- 浮动 CTA ---------- */
.rl-float-cta{position:fixed;right:20px;top:50%;transform:translateY(-50%) translateX(24px);z-index:900;display:flex;align-items:center;gap:12px;width:52px;height:52px;padding:0 15px;border-radius:999px;background:var(--c-primary);color:#fff;box-shadow:var(--sh-2);overflow:hidden;opacity:0;visibility:hidden;transition:width .28s cubic-bezier(.22,.61,.36,1),opacity .3s ease,transform .3s ease,visibility .3s,background-color .2s ease}
.rl-float-cta i{flex:0 0 auto;font-size:16px}
.rl-float-cta span{white-space:nowrap;font-size:14px;font-weight:500;opacity:0;transition:opacity .2s ease}
.rl-float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
.rl-float-cta:hover{width:168px;background:var(--c-primary-600);color:#fff}
.rl-float-cta:hover span{opacity:1}
.rl-float-cta:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px}

/* ---------- 页脚 ---------- */
.rl-footer{background:var(--c-deep);color:#C9D5D2;margin-top:0;position:relative;padding-top:3px}
.rl-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c-primary) 0%,var(--c-primary-300) 55%,var(--c-accent) 100%)}
.rl-footer__inner{padding:76px 0 34px}
.rl-footer h4{color:#fff;font-family:var(--font-sans);font-size:16px;font-weight:600;margin-bottom:20px}
.rl-footer__brand{font-size:20px;font-weight:700;color:#fff;display:inline-flex;align-items:center;gap:10px;font-family:var(--font-sans)}
.rl-footer__brand .rl-logo__mark{background:var(--c-accent)}
.rl-footer p{font-size:14px;line-height:1.85;color:#9FB0AD;margin-top:16px;max-width:320px}
.rl-footer__links{display:flex;flex-direction:column;gap:12px}
.rl-footer__links a{font-size:14px;color:#C9D5D2}
.rl-footer__links a:hover{color:var(--c-accent)}
.rl-footer__links a:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:3px}
.rl-footer__contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#9FB0AD}
.rl-footer__contact strong{color:#fff;font-weight:600}
.rl-footer__bar{border-top:1px solid rgba(228,224,214,.14);margin-top:56px;padding-top:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8A9996}
.rl-footer__bar a{color:#8A9996}
.rl-footer__bar a:hover{color:var(--c-accent)}
.rl-footer__acc-toggle{display:none}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s ease,transform .48s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:translateY(0)}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .grid-container.rl-container{padding-left:32px;padding-right:32px}
  .rl-section{padding:96px 0}
  .rl-h1{font-size:40px}
  .rl-h2{font-size:30px}
  .rl-hero{padding:150px 0 88px}
  .rl-proof{padding:54px 44px}
  .rl-proof__divider{padding-left:40px}
  .rl-plan__price .rl-num{font-size:38px}
}
@media (max-width:991px){
  .grid-container.rl-container{padding-left:24px;padding-right:24px}
  .rl-section{padding:72px 0}
  .rl-h1{font-size:32px}
  .rl-h2{font-size:26px}
  .rl-hero{padding:132px 0 72px}
  .rl-hero__meta{margin-top:40px}
  .rl-hero__media{margin-top:44px}
  .rl-figure img{aspect-ratio:16/10}
  .rl-value__aside,.rl-faq__aside{position:static;margin-bottom:40px}
  .rl-proof{flex-direction:column;padding:44px 32px}
  .rl-proof__divider{border-left:none;border-top:1px solid var(--c-line);padding-left:0;padding-top:32px}
  .rl-plan--main,.rl-plan--side{flex:1 1 100%}
  .rl-cta{padding:48px 32px}
  .rl-form{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .grid-container.rl-container{padding-left:20px;padding-right:20px}
  .rl-section{padding:56px 0}
  .rl-h1{font-size:26px}
  .rl-h2{font-size:22px}
  .rl-hero{padding:112px 0 56px}
  .rl-hero__sub{font-size:16px}
  .rl-hero__cta .rl-btn{width:100%}
  .rl-hero__meta{padding-top:22px;margin-top:32px}
  .rl-hero__meta .cell{flex:0 0 50%;max-width:50%;margin-bottom:18px}
  .rl-dock{top:auto;bottom:16px;padding:0 16px}
  .rl-dock__inner{height:60px;border-radius:20px;padding:0 10px 0 18px;gap:10px}
  .rl-dock.is-shrink .rl-dock__inner{height:56px}
  .rl-nav{display:none}
  .rl-burger{display:inline-flex}
  .rl-dock__actions .rl-btn{display:none}
  .rl-track{padding:24px 0 44px;gap:16px}
  .rl-track__item{flex:0 0 86%}
  .rl-track__item:nth-child(even){margin-top:0}
  .rl-value__item{grid-template-columns:48px 1fr;gap:14px;padding:24px 8px}
  .rl-news-item a{grid-template-columns:64px 1fr;gap:14px}
  .rl-news-item__thumb{width:64px;height:64px}
  .rl-faq__q{font-size:16px}
  .rl-faq__a p{padding-right:24px}
  .rl-price__bar{border-radius:20px;padding:16px 20px}
  .rl-cta{padding:36px 22px;border-radius:20px}
  .rl-form__foot .rl-btn{width:100%}
  .rl-float-cta{right:16px;left:16px;top:auto;bottom:88px;transform:translateY(12px);width:auto;height:56px;justify-content:center;border-radius:999px;padding:0 20px}
  .rl-float-cta.is-visible{transform:translateY(0)}
  .rl-float-cta:hover{width:auto}
  .rl-float-cta span{opacity:1}
  .rl-footer__inner{padding:56px 0 28px}
  .rl-footer__col{margin-bottom:8px}
  .rl-footer__acc-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px 0;border-top:1px solid rgba(228,224,214,.14);color:#fff;font-size:15px;font-weight:600;text-align:left}
  .rl-footer__acc-toggle i{transition:transform .2s ease;color:#8A9996}
  .rl-footer__acc-toggle[aria-expanded="true"] i{transform:rotate(180deg)}
  .rl-footer__links,.rl-footer__contact{max-height:0;overflow:hidden;transition:max-height .24s ease}
  .rl-footer__col.is-open .rl-footer__links,.rl-footer__col.is-open .rl-footer__contact{max-height:520px;padding-bottom:12px}
  .rl-footer h4{display:none}
}
@media (max-width:519px){
  .rl-h1{font-size:24px}
  .rl-h2{font-size:21px}
  .rl-btn{height:46px;padding:0 22px;font-size:14px}
  .rl-hero__meta .cell{flex:0 0 100%;max-width:100%}
  .rl-proof__stat .rl-num{font-size:38px}
  .rl-plan{padding:28px 22px}
  .rl-plan__price .rl-num{font-size:34px}
  .rl-news-lead__title{font-size:19px}
  .rl-footer__bar{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-property:opacity,background-color,color,border-color !important;animation:none !important}
  .reveal{transform:none !important}
  .rl-card:hover,.rl-plan:hover,.rl-news-lead:hover,.rl-btn--primary:hover{transform:none !important}
  .rl-card:hover .rl-card__media img,.rl-news-lead:hover .rl-news-lead__media img{transform:none !important}
}

/* roulang page: category1 */
:root{
  --c-primary:#14625C;
  --c-primary-600:#0F4F4A;
  --c-primary-300:#7FB3AC;
  --c-primary-050:#EAF2F0;
  --c-accent:#D9812F;
  --c-accent-050:#FBEEE0;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-deep:#0F1E1C;
  --c-text:#16211F;
  --c-text-2:#4C5B58;
  --c-text-3:#7E8B88;
  --c-line:#E4E0D6;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
  --r-card:16px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(15,30,28,.05);
  --sh-2:0 10px 28px -14px rgba(15,30,28,.16);
  --sh-3:0 22px 48px -22px rgba(15,30,28,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-text-2);
  background-color:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--c-text);font-weight:600;letter-spacing:-.01em;margin:0;}
h1{font-size:48px;line-height:1.18;}
h2{font-size:34px;line-height:1.25;}
h3{font-family:var(--font-sans);font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:15px;line-height:1.5;letter-spacing:.02em;}
p{margin:0 0 1.1em;color:var(--c-text-2);}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;background-color:transparent;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover,a:focus{color:var(--c-primary-600);}
img{display:block;max-width:100%;height:auto;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;line-height:1;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;}
.rl-container{max-width:1240px;margin-left:auto;margin-right:auto;padding-left:40px;padding-right:40px;}
.grid-container.rl-container{max-width:1240px;padding-left:40px;padding-right:40px;}
.rl-section{padding-top:120px;padding-bottom:120px;}
.rl-section--tight{padding-top:72px;padding-bottom:72px;}
.rl-h2{position:relative;}
.rl-h2::before{content:"";display:block;width:28px;height:2px;background:var(--c-primary);margin-bottom:18px;}
.rl-lead{font-size:16px;color:var(--c-text-3);margin-top:14px;}
.rl-eyebrow{font-family:var(--font-num);font-size:13px;letter-spacing:.14em;color:var(--c-text-3);text-transform:uppercase;}
.rl-divider{height:1px;background:var(--c-line);border:0;margin:0;}

/* ---------- Dock 导航 ---------- */
.rl-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:20px 0 0;
  transition:padding .24s var(--ease);
}
.rl-header.is-scrolled{padding-top:12px;}
.rl-dock{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  height:64px;
  padding:0 12px 0 22px;
  background-color:rgba(255,255,255,.94);
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  box-shadow:var(--sh-2);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:height .24s var(--ease),box-shadow .24s var(--ease);
}
.rl-header.is-scrolled .rl-dock{height:56px;box-shadow:var(--sh-3);}
.rl-logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-text);letter-spacing:-.01em;}
.rl-logo:hover{color:var(--c-primary);}
.rl-logo__mark{width:10px;height:10px;border-radius:3px;background-color:var(--c-primary);transition:transform .18s var(--ease);}
.rl-logo:hover .rl-logo__mark{transform:rotate(45deg);}
.rl-nav{display:flex;align-items:center;gap:32px;}
.rl-nav__link{position:relative;font-size:14px;font-weight:500;color:var(--c-text-2);padding:6px 0;}
.rl-nav__link::after{
  content:"";position:absolute;left:50%;bottom:-6px;width:4px;height:4px;margin-left:-2px;
  border-radius:50%;background-color:var(--c-primary);opacity:0;transition:opacity .2s var(--ease);
}
.rl-nav__link:hover{color:var(--c-primary);}
.rl-nav__link:hover::after{opacity:1;}
.rl-nav__link.is-active{color:var(--c-primary);font-weight:600;}
.rl-nav__link.is-active::after{opacity:1;}
.rl-dock__actions{display:flex;align-items:center;gap:12px;}
.rl-dock__menu{
  display:none;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--c-line);color:var(--c-text);align-items:center;justify-content:center;
}
.rl-dock__menu:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.rl-btn--primary{background-color:var(--c-primary);color:#fff;border:1px solid var(--c-primary);box-shadow:var(--sh-1);}
.rl-btn--primary:hover,.rl-btn--primary:focus{background-color:var(--c-primary-600);border-color:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.rl-btn--primary:active{transform:translateY(0);background-color:var(--c-primary-600);box-shadow:var(--sh-1);}
.rl-btn--ghost{background-color:transparent;color:var(--c-text);border:1px solid var(--c-line);border-radius:10px;}
.rl-btn--ghost:hover,.rl-btn--ghost:focus{border-color:var(--c-primary);color:var(--c-primary);background-color:var(--c-primary-050);}
.rl-btn--sm{min-height:40px;padding:0 20px;font-size:14px;}
.rl-btn--light{background-color:#fff;color:var(--c-primary);border:1px solid #fff;}
.rl-btn--light:hover,.rl-btn--light:focus{background-color:var(--c-primary-050);color:var(--c-primary-600);border-color:var(--c-primary-050);transform:translateY(-1px);}
.rl-btn--outline-light{background-color:transparent;color:#fff;border:1px solid rgba(255,255,255,.45);border-radius:10px;}
.rl-btn--outline-light:hover,.rl-btn--outline-light:focus{background-color:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.rl-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.rl-link-arrow i{transition:transform .22s var(--ease);}
.rl-link-arrow:hover i{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.rl-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-btn);
  font-size:12px;letter-spacing:.04em;background-color:var(--c-primary-050);color:var(--c-primary);
}
.rl-badge--accent{background-color:var(--c-accent-050);color:var(--c-accent);}
.rl-badge--light{background-color:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.3);}

/* ---------- Hero 横幅 ---------- */
.rl-hero{padding-top:40px;}
.rl-hero__banner{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  min-height:270px;display:flex;align-items:flex-end;
  padding:44px 48px;
  background-color:var(--c-primary);
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
}
.rl-hero__banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(15,30,28,.78) 0%,rgba(15,30,28,.58) 52%,rgba(15,30,28,.34) 100%);
}
.rl-hero__pattern{position:absolute;right:-20px;bottom:-10px;width:280px;height:120px;color:#fff;opacity:.08;pointer-events:none;}
.rl-hero__inner{position:relative;z-index:2;max-width:660px;}
.rl-hero__title{color:#fff;font-size:40px;line-height:1.2;margin:18px 0 14px;}
.rl-hero__sub{color:rgba(255,255,255,.86);font-size:16px;line-height:1.7;margin-bottom:24px;max-width:520px;}
.rl-hero__actions{display:flex;flex-wrap:wrap;gap:14px;}
.rl-hero__crumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:6px;}
.rl-hero__crumb a{color:rgba(255,255,255,.72);}
.rl-hero__crumb a:hover{color:#fff;}
.rl-hero__crumb span{color:#fff;}

/* ---------- 双栏布局 ---------- */
.rl-layout{padding-top:96px;padding-bottom:96px;}
.rl-toc{position:sticky;top:104px;}
.rl-toc__title{display:block;font-size:13px;letter-spacing:.12em;color:var(--c-text-3);padding-bottom:14px;border-bottom:1px solid var(--c-line);margin-bottom:8px;}
.rl-toc__link{
  display:block;font-size:14px;color:var(--c-text-2);line-height:1.6;
  padding:11px 0 11px 14px;border-left:2px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.rl-toc__link:hover{color:var(--c-primary);background-color:var(--c-primary-050);}
.rl-toc__link.is-active{color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);}
.rl-toc__note{margin-top:24px;padding:18px 20px;border:1px dashed var(--c-line);border-radius:var(--r-card);background-color:var(--c-surface);}
.rl-toc__note p{font-size:13px;line-height:1.75;color:var(--c-text-3);margin-bottom:12px;}

/* ---------- 图文对照区块 ---------- */
.rl-block{padding:36px 0;border-top:1px solid var(--c-line);}
.rl-block:first-of-type{border-top:0;padding-top:0;}
.rl-block__media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);aspect-ratio:16/10;background-color:var(--c-primary-050);}
.rl-block__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rl-block:hover .rl-block__media img{transform:scale(1.02);}
.rl-block__no{font-family:var(--font-num);font-size:13px;letter-spacing:.16em;color:var(--c-accent);font-weight:700;}
.rl-block__body h2{font-size:28px;margin:10px 0 16px;}
.rl-block__body p{font-size:16px;line-height:1.85;}
.rl-check{margin-top:20px;display:grid;gap:10px;}
.rl-check li{position:relative;padding-left:24px;font-size:15px;color:var(--c-text);}
.rl-check li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:10px;
  border-left:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(-45deg);border-radius:1px;
}

/* ---------- 速览 ---------- */
.rl-quick{background-color:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:48px;box-shadow:var(--sh-1);}
.rl-quick__item{padding:24px 20px;border-left:1px solid var(--c-line);}
.rl-quick__item:first-child{border-left:0;}
.rl-quick__num{font-family:var(--font-num);font-size:38px;font-weight:700;line-height:1;color:var(--c-primary);}
.rl-quick__num em{font-style:normal;font-size:15px;font-weight:600;color:var(--c-text-2);margin-left:6px;letter-spacing:.02em;}
.rl-quick__text{margin-top:12px;font-size:14px;color:var(--c-text-2);line-height:1.7;}

/* ---------- FAQ ---------- */
.rl-faq{border-top:1px solid var(--c-line);}
.rl-acc{border-bottom:1px solid var(--c-line);}
.rl-acc__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:17px;font-weight:600;color:var(--c-text);line-height:1.6;
}
.rl-acc__q::after{
  content:"\002B";font-family:var(--font-num);font-size:20px;color:var(--c-primary-300);
  transition:transform .24s var(--ease),color .24s var(--ease);flex:0 0 auto;
}
.rl-acc.is-open .rl-acc__q::after{content:"\2212";color:var(--c-accent);}
.rl-acc__q:hover{color:var(--c-primary);}
.rl-acc__panel{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.rl-acc.is-open .rl-acc__panel{max-height:420px;}
.rl-acc__inner{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--c-text-2);border-top:2px solid var(--c-primary);padding-top:18px;margin-bottom:2px;}

/* ---------- CTA 长条 ---------- */
.rl-cta{
  background-color:var(--c-deep);border-radius:24px;padding:64px 56px;color:#C9D5D2;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  box-shadow:var(--sh-3);
}
.rl-cta h2{color:#fff;font-size:30px;}
.rl-cta p{color:rgba(201,213,210,.85);font-size:15px;margin-top:14px;max-width:520px;}
.rl-cta__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 浮动 CTA ---------- */
.rl-float-cta{
  position:fixed;right:20px;top:50%;z-index:70;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  width:52px;padding:20px 0;border-radius:var(--r-btn);background-color:var(--c-primary);color:#fff;
  box-shadow:var(--sh-2);overflow:hidden;
  transform:translateY(-50%) translateX(6px);opacity:0;pointer-events:none;
  transition:width .28s var(--ease),opacity .3s linear,transform .3s var(--ease),background-color .2s var(--ease);
}
.rl-float-cta.is-visible{opacity:1;pointer-events:auto;transform:translateY(-50%) translateX(0);}
.rl-float-cta i{font-size:16px;color:#fff;}
.rl-float-cta span{writing-mode:vertical-rl;letter-spacing:.18em;font-size:13px;color:#fff;}
.rl-float-cta:hover{width:148px;flex-direction:row;background-color:var(--c-primary-600);color:#fff;}
.rl-float-cta:hover span{writing-mode:horizontal-tb;letter-spacing:.04em;font-size:14px;}

/* ---------- 页脚 ---------- */
.rl-footer{position:relative;background-color:var(--c-deep);color:#C9D5D2;margin-top:120px;padding-top:72px;padding-bottom:32px;}
.rl-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c-primary),var(--c-primary-300));}
.rl-footer__inner{width:100%;}
.rl-footer__col{margin-bottom:36px;}
.rl-footer__brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;}
.rl-footer__brand .rl-logo__mark{background-color:var(--c-accent);}
.rl-footer__brand:hover{color:var(--c-accent);}
.rl-footer h4{color:#fff;font-size:15px;margin-bottom:18px;}
.rl-footer p{color:rgba(201,213,210,.78);font-size:14px;line-height:1.85;margin-top:16px;max-width:340px;}
.rl-footer__links{display:grid;gap:12px;}
.rl-footer__links a{color:rgba(201,213,210,.82);font-size:14px;}
.rl-footer__links a:hover{color:var(--c-accent);}
.rl-footer__contact{display:grid;gap:12px;font-size:14px;color:rgba(201,213,210,.82);}
.rl-footer__contact strong{color:#fff;font-weight:600;}
.rl-footer__acc-toggle{display:none;}
.rl-footer__bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(201,213,210,.18);margin-top:16px;padding-top:24px;
  font-size:13px;color:rgba(201,213,210,.7);
}
.rl-footer__bar a{color:rgba(201,213,210,.85);}
.rl-footer__bar a:hover{color:var(--c-accent);}

/* ---------- 抽屉 ---------- */
.rl-drawer{
  position:fixed;inset:0;z-index:120;background-color:var(--c-bg);
  padding:28px 24px 40px;display:flex;flex-direction:column;
  transform:translateY(100%);transition:transform .32s var(--ease);
  visibility:hidden;
}
.rl-drawer.is-open{transform:translateY(0);visibility:visible;}
.rl-drawer__head{display:flex;align-items:center;justify-content:space-between;}
.rl-drawer__close{width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);color:var(--c-text);display:flex;align-items:center;justify-content:center;}
.rl-drawer__nav{display:grid;gap:8px;margin-top:56px;}
.rl-drawer__nav a{font-family:var(--font-display);font-size:20px;color:var(--c-text);padding:14px 0;border-bottom:1px solid var(--c-line);}
.rl-drawer__nav a.is-active{color:var(--c-primary);}
.rl-drawer__foot{margin-top:auto;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s linear,transform .48s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  h1{font-size:40px;}
  .rl-hero__title{font-size:34px;}
  h2{font-size:30px;}
  .rl-container,.grid-container.rl-container{padding-left:32px;padding-right:32px;}
  .rl-section{padding-top:96px;padding-bottom:96px;}
  .rl-quick{padding:36px;}
}
@media screen and (max-width:991px){
  h1{font-size:32px;}
  h2{font-size:26px;}
  .rl-nav{gap:22px;}
  .rl-toc{position:static;margin-bottom:36px;}
  .rl-toc__link{display:inline-block;border-left:0;border-bottom:2px solid transparent;padding:8px 14px 8px 0;}
  .rl-toc__link.is-active{border-left:0;border-bottom-color:var(--c-primary);}
  .rl-layout{padding-top:72px;padding-bottom:72px;}
  .rl-hero__banner{padding:32px 32px;min-height:240px;}
  .rl-block{padding:28px 0;}
  .rl-block__body h2{font-size:24px;}
  .rl-quick__item{border-left:0;border-top:1px solid var(--c-line);}
  .rl-quick__item:first-child{border-top:0;}
  .rl-cta{padding:48px 40px;border-radius:20px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;padding-bottom:96px;}
  h1{font-size:26px;}
  h2{font-size:22px;}
  .rl-container,.grid-container.rl-container{padding-left:20px;padding-right:20px;}
  .rl-section{padding-top:56px;padding-bottom:56px;}
  .rl-header{
    position:fixed;top:auto;bottom:0;left:0;right:0;
    padding:0 16px 16px;
  }
  .rl-header.is-scrolled{padding-top:0;}
  .rl-dock{height:60px;border-radius:20px;padding:0 10px 0 18px;box-shadow:var(--sh-3);}
  .rl-header.is-scrolled .rl-dock{height:60px;}
  .rl-nav{display:none;}
  .rl-dock__menu{display:inline-flex;}
  .rl-dock__actions .rl-btn{display:none;}
  .rl-hero{padding-top:20px;}
  .rl-hero__banner{padding:26px 22px;min-height:210px;}
  .rl-hero__title{font-size:24px;}
  .rl-hero__sub{font-size:15px;}
  .rl-hero__actions .rl-btn{width:100%;}
  .rl-layout{padding-top:56px;padding-bottom:56px;}
  .rl-block__body h2{font-size:20px;}
  .rl-quick{padding:26px 20px;}
  .rl-acc__q{font-size:16px;padding:18px 0;}
  .rl-cta{padding:36px 24px;border-radius:18px;}
  .rl-cta h2{font-size:24px;}
  .rl-cta__actions .rl-btn{width:100%;}
  .rl-float-cta{
    left:16px;right:16px;top:auto;bottom:88px;width:auto;height:52px;
    flex-direction:row;padding:0 20px;transform:translateY(12px);
  }
  .rl-float-cta.is-visible{transform:translateY(0);}
  .rl-float-cta span{writing-mode:horizontal-tb;letter-spacing:.06em;font-size:14px;}
  .rl-float-cta:hover{width:auto;background-color:var(--c-primary);}
  .rl-footer{margin-top:64px;padding-top:48px;}
  .rl-footer__col{margin-bottom:0;border-bottom:1px solid rgba(201,213,210,.18);padding:18px 0;}
  .rl-footer h4{display:none;}
  .rl-footer__acc-toggle{
    display:flex;align-items:center;justify-content:space-between;width:100%;
    color:#fff;font-size:15px;font-weight:600;padding:4px 0;
  }
  .rl-footer__acc-toggle i{color:var(--c-accent);transition:transform .24s var(--ease);}
  .rl-footer__col.is-open .rl-footer__acc-toggle i{transform:rotate(180deg);}
  .rl-footer__links,.rl-footer__contact{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);margin-top:0;}
  .rl-footer__col.is-open .rl-footer__links,.rl-footer__col.is-open .rl-footer__contact{max-height:340px;margin-top:16px;}
  .rl-footer p{max-width:none;}
}
@media screen and (max-width:479px){
  h1{font-size:24px;}
  .rl-hero__title{font-size:22px;}
  .rl-drawer__nav a{font-size:18px;}
  .rl-quick__num{font-size:30px;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .reveal{transform:none;}
  .rl-block:hover .rl-block__media img{transform:none;}
}

/* roulang page: article */
:root{
  --c-primary:#14625C;
  --c-primary-600:#0F4F4A;
  --c-primary-300:#7FB3AC;
  --c-primary-050:#EAF2F0;
  --c-accent:#D9812F;
  --c-accent-050:#FBEEE0;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-deep:#0F1E1C;
  --c-text:#16211F;
  --c-text-2:#4C5B58;
  --c-text-3:#7E8B88;
  --c-line:#E4E0D6;
  --sh-1:0 1px 2px rgba(15,30,28,.05);
  --sh-2:0 10px 28px -14px rgba(15,30,28,.16);
  --sh-3:0 22px 48px -22px rgba(15,30,28,.22);
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4,h5,h6,p{margin:0}
h1,h2,h3,h4{font-weight:600}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:var(--c-text);text-decoration:none;background:transparent;transition:color .2s ease}
a:hover,a:focus{color:var(--c-primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:4px}
::selection{background:var(--c-primary-050);color:var(--c-primary-600)}

.rl-container{max-width:1240px;margin:0 auto;padding-left:40px;padding-right:40px}
.rl-skip{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:2000}
.rl-skip:focus{left:0;color:#fff}

/* ===== Dock 导航 ===== */
.rl-dock{
  position:fixed;top:20px;left:0;right:0;z-index:900;
  display:flex;justify-content:center;
  pointer-events:none;
}
.rl-dock__inner{
  pointer-events:auto;
  display:flex;align-items:center;gap:28px;
  width:calc(100% - 40px);max-width:1120px;height:64px;
  padding:0 12px 0 20px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  transition:height .24s ease,box-shadow .24s ease;
}
.rl-dock.is-scrolled .rl-dock__inner{height:56px;box-shadow:var(--sh-3)}
.rl-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.rl-logo__mark{width:10px;height:10px;border-radius:3px;background:var(--c-primary);transition:transform .18s ease}
.rl-logo:hover .rl-logo__mark{transform:rotate(45deg)}
.rl-nav{display:flex;align-items:center;gap:28px;margin:0 auto}
.rl-nav__link{position:relative;font-size:14px;font-weight:500;color:var(--c-text-2);padding:6px 2px}
.rl-nav__link::after{
  content:"";position:absolute;left:50%;bottom:-3px;width:4px;height:4px;border-radius:50%;
  background:var(--c-primary);opacity:0;transform:translateX(-50%);transition:opacity .2s ease;
}
.rl-nav__link:hover{color:var(--c-primary)}
.rl-nav__link:hover::after{opacity:1}
.rl-nav__link.is-active{color:var(--c-primary)}
.rl-nav__link.is-active::after{opacity:1}
.rl-dock__actions{display:flex;align-items:center;gap:12px}
.rl-dock__menu{
  display:none;width:44px;height:44px;border-radius:50%;
  align-items:center;justify-content:center;font-size:17px;color:var(--c-text);
  border:1px solid var(--c-line);background:#fff;
}
.rl-dock__menu:hover{color:var(--c-primary);border-color:var(--c-primary-300)}

/* ===== 按钮 ===== */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .22s cubic-bezier(.22,.61,.36,1),box-shadow .22s ease;
}
.rl-btn--primary{background:var(--c-primary);color:#fff}
.rl-btn--primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.rl-btn--primary:active{transform:translateY(0);background:var(--c-primary-600)}
.rl-btn--ghost{background:transparent;border-color:var(--c-line);color:var(--c-text)}
.rl-btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-050)}
.rl-btn--light{background:#fff;color:var(--c-deep)}
.rl-btn--light:hover{background:#fff;color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--sh-2)}
.rl-btn--outline-light{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.rl-btn--outline-light:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.6)}
.rl-btn--sm{height:40px;padding:0 20px;font-size:14px}
.rl-textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.rl-textlink i{transition:transform .2s ease}
.rl-textlink:hover i{transform:translateX(3px)}

/* ===== 徽章 / 标签 ===== */
.rl-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--c-primary-050);color:var(--c-primary);
}
.rl-badge--accent{background:var(--c-accent-050);color:var(--c-accent)}
.rl-tags{display:flex;flex-wrap:wrap;gap:8px}
.rl-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-primary-050);color:var(--c-primary);font-size:13px;font-weight:500;
}
.rl-tag--accent{background:var(--c-accent-050);color:var(--c-accent)}

/* ===== 主体 ===== */
.rl-main{padding-top:136px}
.rl-article-shell{max-width:780px;margin:0 auto}

/* 面包屑 */
.rl-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;color:var(--c-text-3);margin-bottom:26px;
}
.rl-crumb a{color:var(--c-text-3)}
.rl-crumb a:hover{color:var(--c-primary)}
.rl-crumb__sep{color:var(--c-line)}
.rl-crumb__current{color:var(--c-text)}

/* 文章头 */
.rl-title{
  font-family:var(--font-display);
  font-size:48px;line-height:1.18;letter-spacing:-.01em;font-weight:600;
  color:var(--c-text);margin-bottom:20px;
}
.rl-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--c-text-3);margin-bottom:26px;
}
.rl-meta__dot{width:4px;height:4px;border-radius:50%;background:var(--c-line)}
.rl-lead{
  margin:0 0 44px;padding:20px 24px;
  background:rgba(20,98,92,.07);
  border-left:3px solid var(--c-primary);
  border-radius:0 10px 10px 0;
  font-size:15px;line-height:1.85;color:var(--c-text-2);
}

/* 正文排版 */
.rl-prose{font-size:17px;line-height:1.9;color:var(--c-text-2)}
.rl-prose p{margin:0 0 1.35em}
.rl-prose h2{
  font-family:var(--font-display);
  font-size:32px;line-height:1.3;font-weight:600;color:var(--c-text);
  margin:2.1em 0 .9em;padding-left:14px;border-left:3px solid var(--c-primary);
}
.rl-prose h3{font-size:22px;line-height:1.45;font-weight:600;color:var(--c-text);margin:1.8em 0 .8em}
.rl-prose h4{font-size:18px;line-height:1.5;font-weight:600;color:var(--c-text);margin:1.6em 0 .7em}
.rl-prose ul,.rl-prose ol{margin:0 0 1.35em}
.rl-prose ul li,.rl-prose ol li{position:relative;padding-left:24px;margin-bottom:.6em;line-height:1.8}
.rl-prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;border-radius:2px;
  background:var(--c-primary-300);
}
.rl-prose ol{counter-reset:rl-ol}
.rl-prose ol li{counter-increment:rl-ol}
.rl-prose ol li::before{
  content:counter(rl-ol) ".";position:absolute;left:0;top:0;
  color:var(--c-primary);font-weight:700;font-family:var(--font-num);
}
.rl-prose blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:var(--c-primary-050);
  border-left:3px solid var(--c-accent);
  border-radius:0 10px 10px 0;color:var(--c-text-2);
}
.rl-prose blockquote p:last-child{margin-bottom:0}
.rl-prose img{border-radius:var(--r-img);margin:1.6em auto;height:auto}
.rl-prose figure{margin:1.6em 0}
.rl-prose figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px}
.rl-prose a{color:var(--c-primary);border-bottom:1px solid var(--c-primary-300);padding-bottom:1px}
.rl-prose a:hover{border-bottom-width:2px;color:var(--c-primary-600)}
.rl-prose strong{color:var(--c-text);font-weight:600}
.rl-prose table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0}
.rl-prose th,.rl-prose td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left}
.rl-prose th{background:var(--c-primary-050);color:var(--c-text);font-weight:600}
.rl-prose pre{
  background:#F0EFE9;border-radius:12px;padding:16px 18px;overflow-x:auto;
  font-size:14px;line-height:1.7;margin:1.6em 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.rl-prose code{
  background:#F0EFE9;border-radius:6px;padding:2px 6px;font-size:.9em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.rl-prose pre code{background:none;padding:0}
.rl-prose hr{border:0;border-top:1px solid var(--c-line);margin:2.4em 0}

/* 空态 */
.rl-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;
  min-height:280px;padding:56px 24px;background:var(--c-bg);
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.rl-empty i{font-size:40px;color:var(--c-primary-300)}
.rl-empty h3{font-size:18px;color:var(--c-text)}
.rl-empty p{font-size:14px;color:var(--c-text-3);max-width:340px}

/* 文末 */
.rl-article-foot{
  margin-top:52px;padding-top:32px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}

/* ===== 板块 ===== */
.rl-section{padding:96px 0}
.rl-section--tight{padding:80px 0}
.rl-sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:18px;margin-bottom:40px;
}
.rl-h2{
  position:relative;font-family:var(--font-display);
  font-size:34px;line-height:1.25;font-weight:600;color:var(--c-text);padding-top:18px;
}
.rl-h2::before{content:"";position:absolute;top:0;left:0;width:28px;height:2px;background:var(--c-primary)}
.rl-sec-sub{font-size:15px;color:var(--c-text-2);margin-top:12px;max-width:560px}

/* ===== 卡片 ===== */
.rl-grid{row-gap:28px;margin-left:-14px;margin-right:-14px}
.rl-grid > .cell{padding-left:14px;padding-right:14px;display:flex}
.rl-card{
  position:relative;display:flex;flex-direction:column;width:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s cubic-bezier(.22,.61,.36,1),box-shadow .22s ease;
}
.rl-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--c-primary);opacity:0;transition:opacity .22s ease;
}
.rl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rl-card:hover::before{opacity:1}
.rl-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-050)}
.rl-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rl-card:hover .rl-card__media img{transform:scale(1.03)}
.rl-card__body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.rl-card__badge{
  display:inline-flex;align-items:center;align-self:flex-start;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  background:var(--c-accent-050);color:var(--c-accent);
}
.rl-card__title{
  font-size:20px;line-height:1.4;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rl-card:hover .rl-card__title{color:var(--c-primary)}
.rl-card__text{
  font-size:15px;line-height:1.75;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rl-card__meta{
  display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px;
  font-size:13px;color:var(--c-text-3);
}

/* ===== CTA 长条 ===== */
.rl-cta{
  position:relative;overflow:hidden;
  background:var(--c-deep);border-radius:24px;padding:64px 56px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
}
.rl-cta::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,129,47,.18),transparent 68%);
}
.rl-cta > *{position:relative;z-index:1}
.rl-cta h2{font-family:var(--font-display);font-size:30px;line-height:1.3;color:#fff;margin-bottom:12px}
.rl-cta p{color:#C9D5D2;font-size:15px;line-height:1.8;max-width:520px}
.rl-cta__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ===== 浮动 CTA ===== */
.rl-floatcta{
  position:fixed;right:24px;top:50%;transform:translateY(-50%);z-index:800;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.rl-floatcta.is-visible{opacity:1;visibility:visible}
.rl-floatcta__btn{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  width:52px;min-height:180px;padding:20px 0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:13px;letter-spacing:.1em;
  transition:width .24s cubic-bezier(.22,.61,.36,1),background .2s ease;
}
.rl-floatcta__btn span{writing-mode:vertical-rl;letter-spacing:.16em}
.rl-floatcta__btn:hover{width:148px;background:var(--c-primary-600);color:#fff}
.rl-floatcta__btn:hover span{writing-mode:horizontal-tb;letter-spacing:.04em;font-size:14px}

/* ===== 抽屉 ===== */
.rl-drawer{
  position:fixed;inset:0;z-index:1000;background:var(--c-bg);
  display:flex;flex-direction:column;padding:28px 24px 32px;
  transform:translateY(100%);visibility:hidden;
  transition:transform .32s cubic-bezier(.22,.61,.36,1),visibility .32s ease;
}
.rl-drawer.is-open{transform:translateY(0);visibility:visible}
.rl-drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:44px}
.rl-drawer__close{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;color:var(--c-text);
}
.rl-drawer__close:hover{color:var(--c-primary);border-color:var(--c-primary-300)}
.rl-drawer__nav{display:flex;flex-direction:column;gap:28px}
.rl-drawer__nav a{font-size:20px;font-weight:600;color:var(--c-text)}
.rl-drawer__nav a.is-active{color:var(--c-primary)}
.rl-drawer__foot{margin-top:auto;padding-top:32px}
.rl-drawer__foot .rl-btn{width:100%}

/* ===== 页脚 ===== */
.rl-footer{position:relative;background:var(--c-deep);color:#C9D5D2;margin-top:120px}
.rl-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.rl-footer__inner{padding:72px 0 0}
.rl-footer__brand{
  display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px;
}
.rl-footer__brand .rl-logo__mark{background:var(--c-accent)}
.rl-footer__brand:hover{color:#fff}
.rl-footer__brand:hover .rl-logo__mark{transform:rotate(45deg)}
.rl-footer__col p{font-size:14px;line-height:1.8;color:#9FB0AD;max-width:300px}
.rl-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.rl-footer__links{display:flex;flex-direction:column;gap:12px}
.rl-footer__links a{font-size:14px;color:#C9D5D2}
.rl-footer__links a:hover{color:var(--c-accent)}
.rl-footer__contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#9FB0AD}
.rl-footer__contact strong{color:#C9D5D2;font-weight:600}
.rl-footer__acc-toggle{display:none}
.rl-footer__bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:56px;padding:24px 0 32px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8C9B98;
}
.rl-footer__bar a{color:#C9D5D2;border-bottom:1px solid rgba(201,213,210,.35)}
.rl-footer__bar a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.rl-footer__col .rl-grid{margin-left:-14px;margin-right:-14px}

/* ===== 入场动效 ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s ease,transform .48s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .rl-title{font-size:40px}
  .rl-h2{font-size:30px}
  .rl-cta{padding:56px 44px}
}
@media (max-width:991px){
  .rl-container{padding-left:32px;padding-right:32px}
  .rl-title{font-size:32px}
  .rl-h2{font-size:26px}
  .rl-prose h2{font-size:26px}
  .rl-prose h3{font-size:20px}
  .rl-section{padding:80px 0}
  .rl-section--tight{padding:64px 0}
  .rl-nav{gap:20px}
  .rl-dock__inner{gap:20px}
}
@media (max-width:767px){
  .rl-container{padding-left:20px;padding-right:20px}
  .rl-main{padding-top:88px}
  .rl-title{font-size:26px}
  .rl-h2{font-size:22px}
  .rl-prose{font-size:16px;line-height:1.9}
  .rl-prose h2{font-size:22px;padding-left:12px}
  .rl-prose h3{font-size:18px}
  .rl-section{padding:64px 0}
  .rl-section--tight{padding:56px 0}
  .rl-lead{padding:16px 18px;margin-bottom:32px}

  /* 移动端 Dock */
  .rl-dock{top:auto;bottom:16px;left:16px;right:16px}
  .rl-dock__inner{
    width:100%;max-width:none;height:60px;border-radius:20px;
    padding:0 12px 0 16px;gap:12px;justify-content:space-between;
  }
  .rl-dock.is-scrolled .rl-dock__inner{height:60px}
  .rl-nav{display:none}
  .rl-dock__actions .rl-btn{display:none}
  .rl-dock__menu{display:inline-flex}

  /* 浮动 CTA 移动条 */
  .rl-floatcta{right:16px;left:16px;top:auto;bottom:88px;transform:none}
  .rl-floatcta__btn{
    flex-direction:row;width:100%;min-height:0;height:56px;border-radius:20px;padding:0 20px;
  }
  .rl-floatcta__btn span{writing-mode:horizontal-tb;letter-spacing:.04em;font-size:14px}
  .rl-floatcta__btn:hover{width:100%}
  .rl-floatcta__btn:hover span{writing-mode:horizontal-tb}

  .rl-cta{padding:40px 26px;border-radius:20px}
  .rl-cta h2{font-size:24px}
  .rl-cta__actions{width:100%}
  .rl-cta__actions .rl-btn{width:100%}

  .rl-grid{margin-left:-8px;margin-right:-8px;row-gap:20px}
  .rl-grid > .cell{padding-left:8px;padding-right:8px}
  .rl-article-foot{flex-direction:column;align-items:flex-start}
  .rl-article-foot .rl-btn{width:100%}

  /* 页脚折叠 */
  .rl-footer{margin-top:72px}
  .rl-footer__inner{padding-top:48px}
  .rl-footer__acc-toggle{
    display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px;
    padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);
    color:#fff;font-size:15px;font-weight:600;text-align:left;
  }
  .rl-footer__acc-toggle i{font-size:12px;transition:transform .2s ease;color:#9FB0AD}
  .rl-footer__col.is-open .rl-footer__acc-toggle i{transform:rotate(180deg)}
  .rl-footer h4{display:none}
  .rl-footer__links,.rl-footer__contact{display:none;padding:16px 0 4px}
  .rl-footer__col.is-open .rl-footer__links,
  .rl-footer__col.is-open .rl-footer__contact{display:flex}
  .rl-footer__brand{margin-bottom:20px}
  .rl-footer__bar{margin-top:36px;padding-bottom:104px;font-size:12px}
}
@media (max-width:479px){
  .rl-title{font-size:24px}
  .rl-h2{font-size:20px}
  .rl-logo{font-size:16px}
  .rl-btn{height:46px;padding:0 22px}
  .rl-cta{padding:32px 20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{transform:none;transition:opacity .3s ease}
  .rl-card:hover{transform:none}
  .rl-btn:hover{transform:none}
  .rl-card:hover .rl-card__media img{transform:none}
  .rl-dock__inner{transition:box-shadow .24s ease}
}

/* roulang page: category2 */
:root{
  --c-primary:#14625C;
  --c-primary-600:#0F4F4A;
  --c-primary-300:#7FB3AC;
  --c-primary-050:#EAF2F0;
  --c-accent:#D9812F;
  --c-accent-050:#FBEEE0;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-deep:#0F1E1C;
  --c-text:#16211F;
  --c-text-2:#4C5B58;
  --c-text-3:#7E8B88;
  --c-line:#E4E0D6;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
  --sh-1:0 1px 2px rgba(15,30,28,.05);
  --sh-2:0 10px 28px -14px rgba(15,30,28,.16);
  --sh-3:0 22px 48px -22px rgba(15,30,28,.22);
  --r-card:16px;
  --r-img:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-text-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover,a:focus{color:var(--c-primary-600);}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;color:var(--c-text);}
strong{font-weight:600;color:var(--c-text);}
::selection{background:var(--c-primary-050);color:var(--c-primary-600);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.grid-container.rl-container{max-width:1240px;padding-left:40px;padding-right:40px;margin-left:auto;margin-right:auto;}
.rl-container--narrow{max-width:980px !important;}

/* ---------- Dock 导航 ---------- */
.rl-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:0 20px;
  pointer-events:none;
}
.rl-dock{
  pointer-events:auto;
  max-width:1120px;margin:20px auto 0;
  height:64px;padding:0 12px 0 22px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--c-line);
  border-radius:999px;
  box-shadow:var(--sh-2);
  transition:height .24s var(--ease),box-shadow .24s var(--ease),margin .24s var(--ease);
}
.rl-header.is-scrolled .rl-dock{height:56px;margin-top:12px;box-shadow:var(--sh-3);}
.rl-logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-text);letter-spacing:.01em;white-space:nowrap;}
.rl-logo__mark{
  width:10px;height:10px;border-radius:3px;background:var(--c-primary);
  display:inline-block;transition:transform .18s var(--ease);
}
.rl-logo:hover .rl-logo__mark{transform:rotate(45deg);}
.rl-logo:hover{color:var(--c-text);}
.rl-nav{display:flex;align-items:center;gap:32px;}
.rl-nav__link{
  position:relative;font-size:14px;font-weight:500;color:var(--c-text-2);
  padding:6px 0;white-space:nowrap;
}
.rl-nav__link::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:4px;height:4px;border-radius:50%;
  background:var(--c-primary);transform:translateX(-50%) scale(0);opacity:0;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.rl-nav__link:hover{color:var(--c-primary);}
.rl-nav__link:hover::after{opacity:1;transform:translateX(-50%) scale(1);}
.rl-nav__link.is-active{color:var(--c-primary);font-weight:600;}
.rl-nav__link.is-active::after{opacity:1;transform:translateX(-50%) scale(1);}
.rl-dock__actions{display:flex;align-items:center;gap:10px;}
.rl-icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-text-2);
  background:#fff;transition:all .2s var(--ease);
}
.rl-icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary-300);background:var(--c-primary-050);}
.rl-dock__menu{display:none;}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rl-btn i{font-size:13px;}
.rl-btn--primary{background:var(--c-primary);color:#fff;}
.rl-btn--primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.rl-btn--primary:active{transform:translateY(0);background:var(--c-primary-600);}
.rl-btn--ghost{background:#fff;border-color:var(--c-line);color:var(--c-text);}
.rl-btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-050);}
.rl-btn--light{background:#fff;color:var(--c-primary);}
.rl-btn--light:hover{background:var(--c-primary-050);color:var(--c-primary-600);transform:translateY(-1px);}
.rl-btn--outline-light{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.rl-btn--outline-light:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}
.rl-btn--sm{height:40px;padding:0 20px;font-size:14px;}
.rl-btn--block{width:100%;}
.rl-textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.rl-textlink i{transition:transform .22s var(--ease);}
.rl-textlink:hover i{transform:translateX(3px);}

/* ---------- 通用排版 ---------- */
.rl-section{padding:120px 0;}
.rl-section--tight{padding:96px 0;}
.rl-section--deep{background:var(--c-deep);}
.rl-section--soft{background:var(--c-primary-050);}
.rl-h1{font-family:var(--font-display);font-size:48px;line-height:1.18;font-weight:600;letter-spacing:-.01em;color:var(--c-text);}
.rl-h2{font-family:var(--font-display);font-size:34px;line-height:1.25;font-weight:600;color:var(--c-text);letter-spacing:-.01em;}
.rl-h2::before{content:"";display:block;width:28px;height:2px;background:var(--c-primary);margin-bottom:18px;}
.rl-h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--c-text);}
.rl-sub{font-size:15px;color:var(--c-text-3);}
.rl-lead{font-size:17px;line-height:1.85;color:var(--c-text-2);}
.rl-section__head{max-width:720px;margin-bottom:56px;}
.rl-section__head .rl-lead{margin-top:16px;}
.rl-eyebrow{font-family:var(--font-num);font-size:13px;letter-spacing:.16em;color:var(--c-text-3);text-transform:uppercase;}
.rl-hr{height:1px;background:var(--c-line);border:0;margin:0;}

/* ---------- 徽章 ---------- */
.rl-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--c-primary-050);color:var(--c-primary);
}
.rl-badge--accent{background:var(--c-accent-050);color:var(--c-accent);}
.rl-badge--line{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);}

/* ---------- 面包屑 ---------- */
.rl-crumb{padding-top:132px;font-size:13px;color:var(--c-text-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.rl-crumb a{color:var(--c-text-3);}
.rl-crumb a:hover{color:var(--c-primary);}
.rl-crumb__sep{color:var(--c-line);}
.rl-crumb__cur{color:var(--c-text);}

/* ---------- 分类页 2 Hero ---------- */
.rl-chero{
  margin-top:24px;
  background:var(--c-primary-050);
  border-radius:24px;
  padding:72px 56px;
  text-align:center;
}
.rl-chero .rl-badge{margin-bottom:24px;}
.rl-chero__title{max-width:820px;margin:0 auto;}
.rl-chero__title em{font-style:normal;color:var(--c-accent);}
.rl-chero__desc{max-width:640px;margin:24px auto 0;font-size:17px;line-height:1.85;color:var(--c-text-2);}
.rl-chero__actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:36px;}
.rl-chero__meta{
  display:flex;flex-wrap:wrap;justify-content:center;gap:0;
  margin-top:44px;padding-top:28px;border-top:1px solid rgba(20,98,92,.14);
}
.rl-chero__meta div{padding:0 32px;border-right:1px solid rgba(20,98,92,.14);}
.rl-chero__meta div:last-child{border-right:0;}
.rl-chero__meta strong{display:block;font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--c-primary);letter-spacing:.02em;}
.rl-chero__meta span{font-size:13px;color:var(--c-text-3);}

/* ---------- 阶梯错位卡片 ---------- */
.rl-steps{max-width:980px;margin:0 auto;}
.rl-step{
  width:82%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:32px;
  display:flex;gap:32px;align-items:center;
  position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.rl-step::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:2px;border-radius:2px;
  background:var(--c-primary);opacity:0;transition:opacity .22s var(--ease);
}
.rl-step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rl-step:hover::before{opacity:1;}
.rl-step + .rl-step{margin-top:32px;}
.rl-step--right{margin-left:auto;}
.rl-step--right::before{left:auto;right:0;}
.rl-step__body{flex:1 1 56%;min-width:0;}
.rl-step__no{font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--c-accent);}
.rl-step__body h3{margin:12px 0 12px;}
.rl-step__body p{font-size:15px;line-height:1.8;color:var(--c-text-2);}
.rl-step__media{flex:0 0 38%;}
.rl-step__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);background:var(--c-primary-050);}
.rl-step--reverse{flex-direction:row-reverse;}

/* ---------- 对照区 ---------- */
.rl-compare{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;
}
.rl-compare__col{padding:40px 40px 32px;}
.rl-compare__col + .rl-compare__col{border-left:1px solid var(--c-line);}
.rl-compare__col h3{font-size:20px;font-weight:600;color:var(--c-text);}
.rl-compare__col .rl-compare__tag{margin-top:10px;font-size:13px;color:var(--c-text-3);}
.rl-compare__list{margin-top:24px;}
.rl-compare__list li{
  display:flex;gap:16px;justify-content:space-between;
  padding:14px 0;border-top:1px solid var(--c-line);font-size:15px;
}
.rl-compare__list li span:first-child{color:var(--c-text-3);flex:0 0 92px;}
.rl-compare__list li span:last-child{color:var(--c-text);text-align:right;}
.rl-compare__foot{
  margin-top:28px;padding-top:24px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.rl-comparebar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:20px 28px;border:1px dashed var(--c-line);border-radius:999px;
  margin-bottom:36px;background:var(--c-surface);
}
.rl-comparebar p{font-size:14px;color:var(--c-text-2);}

/* ---------- 数据条 ---------- */
.rl-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:56px;}
.rl-stat{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);}
.rl-stat__num{font-family:var(--font-num);font-size:38px;font-weight:700;color:var(--c-primary);line-height:1.1;}
.rl-stat__num.accent{color:var(--c-accent);}
.rl-stat__label{margin-top:10px;font-size:14px;color:var(--c-text-2);}
.rl-stat__note{margin-top:6px;font-size:13px;color:var(--c-text-3);}

/* ---------- FAQ ---------- */
.rl-faq{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.rl-faq__item + .rl-faq__item{border-top:1px solid var(--c-line);}
.rl-faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 28px;text-align:left;font-size:17px;font-weight:600;color:var(--c-text);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.rl-faq__q:hover{background:var(--c-primary-050);color:var(--c-primary);}
.rl-faq__q i{flex:0 0 auto;font-size:14px;color:var(--c-primary);transition:transform .24s var(--ease);}
.rl-faq__item.is-open .rl-faq__q{color:var(--c-primary);}
.rl-faq__item.is-open .rl-faq__q i{transform:rotate(45deg);}
.rl-faq__a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.rl-faq__a p{
  padding:0 28px 26px;font-size:15px;line-height:1.8;color:var(--c-text-2);
  border-top:2px solid var(--c-primary);margin-top:0;padding-top:18px;
}

/* ---------- 表单 CTA ---------- */
.rl-cta{
  background:var(--c-deep);border-radius:24px;padding:64px 56px;
  display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start;
}
.rl-cta__title{font-family:var(--font-display);font-size:30px;line-height:1.3;font-weight:600;color:#fff;}
.rl-cta__text{margin-top:16px;font-size:15px;line-height:1.85;color:#C9D5D2;max-width:420px;}
.rl-cta__points{margin-top:28px;display:grid;gap:12px;}
.rl-cta__points span{display:flex;align-items:center;gap:10px;font-size:14px;color:#C9D5D2;}
.rl-cta__points i{color:var(--c-accent);font-size:12px;}
.rl-form{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.rl-form__field{display:flex;flex-direction:column;gap:8px;}
.rl-form__field--full{grid-column:1 / -1;}
.rl-form label{font-size:13px;color:#C9D5D2;letter-spacing:.02em;}
.rl-form input,.rl-form textarea{
  height:48px;padding:0 16px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.rl-form textarea{height:112px;padding:14px 16px;resize:vertical;line-height:1.7;}
.rl-form input::placeholder,.rl-form textarea::placeholder{color:rgba(201,213,210,.55);}
.rl-form input:focus,.rl-form textarea:focus{
  outline:none;border-color:var(--c-primary-300);box-shadow:0 0 0 3px rgba(127,179,172,.22);
}
.rl-form__hint{grid-column:1 / -1;font-size:13px;color:#8FA39F;}

/* ---------- 页脚 ---------- */
.rl-footer{background:var(--c-deep);color:#C9D5D2;position:relative;margin-top:120px;}
.rl-footer::before{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--c-primary),var(--c-primary-300),var(--c-accent));}
.rl-footer__inner{padding:72px 0 32px;}
.rl-footer__col h4{font-size:14px;font-weight:600;color:#fff;letter-spacing:.04em;margin-bottom:20px;}
.rl-footer__brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:18px;}
.rl-footer__brand:hover{color:#fff;}
.rl-footer__col p{font-size:14px;line-height:1.85;color:#9FB2AE;max-width:300px;}
.rl-footer__links{display:flex;flex-direction:column;gap:12px;}
.rl-footer__links a{font-size:14px;color:#C9D5D2;}
.rl-footer__links a:hover{color:var(--c-accent);}
.rl-footer__contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#9FB2AE;}
.rl-footer__contact strong{color:#C9D5D2;font-weight:600;}
.rl-footer__acc-toggle{display:none;}
.rl-footer__bar{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(201,213,210,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA39F;
}
.rl-footer__bar a{color:#8FA39F;text-decoration:underline;}
.rl-footer__bar a:hover{color:var(--c-accent);}

/* ---------- 浮动 CTA ---------- */
.rl-float{
  position:fixed;right:0;top:50%;transform:translateY(-50%);
  width:52px;height:auto;min-height:150px;padding:18px 0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--c-primary);color:#fff;border-radius:14px 0 0 14px;
  box-shadow:var(--sh-3);z-index:90;
  opacity:0;visibility:hidden;transition:width .26s var(--ease),opacity .3s var(--ease),visibility .3s var(--ease),background .22s var(--ease);
  overflow:hidden;
}
.rl-float.is-visible{opacity:1;visibility:visible;}
.rl-float i{font-size:16px;flex:0 0 auto;}
.rl-float span{writing-mode:vertical-rl;letter-spacing:.24em;font-size:13px;font-weight:600;white-space:nowrap;}
.rl-float:hover{width:150px;background:var(--c-primary-600);color:#fff;}
.rl-float:hover span{writing-mode:horizontal-tb;letter-spacing:.06em;}

/* ---------- 抽屉 ---------- */
.rl-drawer{
  position:fixed;inset:0;background:var(--c-bg);z-index:200;
  transform:translateY(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:24px 24px 40px;overflow-y:auto;
}
.rl-drawer.is-open{transform:translateY(0);}
.rl-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:48px;}
.rl-drawer__nav{display:flex;flex-direction:column;gap:56px;}
.rl-drawer__nav a{font-size:20px;font-weight:600;color:var(--c-text);}
.rl-drawer__nav a.is-active{color:var(--c-primary);}
.rl-drawer__foot{margin-top:auto;padding-top:48px;}
body.rl-lock{overflow:hidden;}

/* ---------- 入场动效 ---------- */
.rl-reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease),transform .48s var(--ease);}
.rl-reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .rl-h1{font-size:40px;}
  .rl-h2{font-size:30px;}
  .rl-section{padding:96px 0;}
  .grid-container.rl-container{padding-left:32px;padding-right:32px;}
  .rl-cta{padding:56px 40px;gap:40px;}
}
@media (max-width:991px){
  .rl-h1{font-size:32px;}
  .rl-h2{font-size:26px;}
  .rl-h3{font-size:19px;}
  .rl-section{padding:72px 0;}
  .rl-section--tight{padding:72px 0;}
  .rl-nav{gap:20px;}
  .rl-chero{padding:56px 32px;}
  .rl-chero__meta div{padding:0 20px;}
  .rl-step{width:100%;}
  .rl-step,.rl-step--reverse{flex-direction:column;align-items:stretch;}
  .rl-step__media{flex:1 1 auto;}
  .rl-step--right{margin-left:0;}
  .rl-step--right::before{left:0;right:auto;}
  .rl-cta{grid-template-columns:1fr;}
  .rl-stats{grid-template-columns:1fr;gap:16px;}
  .rl-compare{grid-template-columns:1fr;}
  .rl-compare__col + .rl-compare__col{border-left:0;border-top:1px solid var(--c-line);}
  .rl-footer__inner{padding:56px 0 28px;}
}
@media (max-width:767px){
  body{padding-bottom:76px;}
  .rl-header{padding:0 16px;top:auto;bottom:0;}
  .rl-dock{
    margin:0;height:60px;border-radius:20px;padding:0 14px 0 18px;gap:12px;
    max-width:none;
  }
  .rl-header.is-scrolled .rl-dock{height:60px;margin-top:0;}
  .rl-nav{display:none;}
  .rl-dock__actions .rl-btn{display:none;}
  .rl-dock__menu{display:inline-flex;}
  .rl-icon-btn{width:38px;height:38px;}
  .rl-h1{font-size:26px;}
  .rl-h2{font-size:22px;}
  .rl-h3{font-size:17px;}
  .rl-section{padding:56px 0;}
  .grid-container.rl-container{padding-left:20px;padding-right:20px;}
  .rl-crumb{padding-top:32px;}
  .rl-chero{padding:40px 20px;border-radius:20px;margin-top:16px;}
  .rl-chero__actions{flex-direction:column;}
  .rl-chero__actions .rl-btn{width:100%;}
  .rl-chero__meta{flex-direction:column;gap:18px;}
  .rl-chero__meta div{padding:0;border-right:0;}
  .rl-section__head{margin-bottom:36px;}
  .rl-step{padding:24px;}
  .rl-compare__col{padding:28px 22px;}
  .rl-comparebar{border-radius:20px;padding:16px 20px;}
  .rl-compare__list li{flex-direction:column;gap:4px;}
  .rl-compare__list li span:last-child{text-align:left;}
  .rl-faq__q{padding:20px;font-size:16px;}
  .rl-faq__a p{padding:0 20px 22px;padding-top:16px;}
  .rl-cta{padding:36px 22px;border-radius:20px;gap:32px;}
  .rl-cta__title{font-size:24px;}
  .rl-form{grid-template-columns:1fr;}
  .rl-float{
    top:auto;bottom:84px;right:16px;left:16px;transform:none;
    width:auto;min-height:0;height:52px;border-radius:999px;padding:0 20px;
    flex-direction:row;gap:10px;
  }
  .rl-float span{writing-mode:horizontal-tb;letter-spacing:.04em;}
  .rl-float:hover{width:auto;transform:none;}
  .rl-float:hover span{writing-mode:horizontal-tb;}
  .rl-footer{margin-top:72px;}
  .rl-footer__acc-toggle{
    display:flex;align-items:center;justify-content:space-between;width:100%;
    padding:16px 0;font-size:15px;font-weight:600;color:#fff;border-top:1px solid rgba(201,213,210,.14);
  }
  .rl-footer__acc-toggle i{font-size:12px;transition:transform .24s var(--ease);}
  .rl-footer__col h4{display:none;}
  .rl-footer__col .rl-footer__links,
  .rl-footer__col .rl-footer__contact{display:none;padding-bottom:20px;}
  .rl-footer__col.is-open .rl-footer__links,
  .rl-footer__col.is-open .rl-footer__contact{display:flex;}
  .rl-footer__col.is-open .rl-footer__acc-toggle i{transform:rotate(180deg);}
  .rl-footer__bar{flex-direction:column;gap:8px;}
}
@media (max-width:479px){
  .rl-h1{font-size:24px;}
  .rl-dock{gap:8px;}
  .rl-logo{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .rl-reveal{transform:none !important;}
  html{scroll-behavior:auto;}
}