/* roulang page: index */
:root{
  --brand-600:#6D4AFF;--brand-700:#4F32D6;--brand-500:#8A6BFF;
  --brand-grad:linear-gradient(120deg,#6D4AFF 0%,#9B5CFF 100%);
  --accent-500:#16C79A;--accent-soft:#E6FBF5;
  --cta-500:#FF7A45;--cta-600:#F2601F;
  --ink-900:#1B1733;--ink-700:#3E3A5C;--ink-500:#6B6790;--ink-300:#A9A5C2;
  --line:#ECEAF7;--bg:#F6F5FF;--surface:#FFFFFF;--dark:#151130;
  --r-lg:24px;--r-md:18px;--r-img:16px;--r-btn:14px;--r-pill:999px;--r-ico:12px;
  --sh-sm:0 4px 16px rgba(27,23,51,.06);
  --sh-md:0 12px 32px rgba(109,74,255,.10);
  --sh-lg:0 24px 60px rgba(109,74,255,.16);
  --sp-sec:88px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding-bottom:88px;background:var(--bg);color:var(--ink-700);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:0;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ink-900);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-600)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.3;letter-spacing:0}
h1{font-size:48px;font-weight:800}
h2{font-size:34px;font-weight:700;margin-bottom:28px}
h3{font-size:22px;font-weight:600}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.rl-section{padding:var(--sp-sec) 0}
.rl-section__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.rl-section__head h2{margin-bottom:8px}
.rl-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--brand-600);background:#fff;border:1.5px solid var(--line);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:14px}
.rl-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent-500);display:inline-block}
.rl-lead{color:var(--ink-500);font-size:15px;max-width:660px}

/* 按钮 */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  border-radius:var(--r-btn);padding:16px 30px;font-size:15.5px;font-weight:600;line-height:1;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease;text-align:center}
.rl-btn--primary{background:linear-gradient(120deg,var(--cta-500) 0%,var(--cta-600) 100%);color:#fff;box-shadow:var(--sh-sm)}
.rl-btn--primary:hover{filter:brightness(1.06);box-shadow:var(--sh-md);transform:translateY(-1px);color:#fff}
.rl-btn--primary:active{transform:translateY(0);background:var(--cta-600)}
.rl-btn--ghost{background:#fff;border:1.5px solid var(--brand-500);color:var(--brand-600)}
.rl-btn--ghost:hover{background:var(--accent-soft);color:var(--brand-700)}
.rl-btn--sm{padding:12px 22px;font-size:14.5px}
.rl-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:14.5px;border-bottom:1.5px solid transparent;text-decoration:underline;text-underline-offset:4px}
.rl-link:hover{color:var(--brand-700);border-bottom-color:var(--accent-500)}

/* 标签与徽章 */
.rl-tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:5px 12px;border-radius:var(--r-pill);background:var(--accent-soft);color:#0E9C79;line-height:1.5}
.rl-tag--brand{background:#F0EBFF;color:var(--brand-600)}
.rl-badge{display:inline-flex;align-items:baseline;gap:6px;font-size:12.5px;font-weight:600;
  padding:8px 16px;border-radius:var(--r-pill);background:var(--accent-soft);color:#0E9C79}
.rl-badge b{font-size:16px;font-weight:700;color:var(--accent-500)}
.rl-badge--inverse{background:rgba(255,255,255,.16);color:#fff}
.rl-badge--inverse b{color:#fff}

/* 顶部导航 */
.rl-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);transition:box-shadow .22s ease,background .22s ease}
.rl-header.is-scrolled{background:#fff;box-shadow:var(--sh-sm)}
.rl-header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.rl-logo{display:flex;align-items:center;gap:12px}
.rl-logo__mark{width:42px;height:42px;border-radius:var(--r-ico);background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;flex:0 0 auto}
.rl-logo__text{display:flex;flex-direction:column;line-height:1.2}
.rl-logo__main{font-size:17px;font-weight:800;color:var(--ink-900)}
.rl-logo__sub{font-size:12.5px;font-weight:600;color:var(--ink-500);letter-spacing:.02em}
.rl-nav{display:flex;align-items:center;gap:6px}
.rl-nav__link{position:relative;padding:10px 14px;font-size:15px;font-weight:600;color:var(--ink-700);border-radius:10px}
.rl-nav__link:hover{color:var(--brand-600);background:#F7F5FF}
.rl-nav__link.is-active{color:var(--brand-600)}
.rl-nav__link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand-grad)}
.rl-mega{position:relative}
.rl-mega__panel{width:760px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-lg);padding:22px;
  margin-top:10px;left:auto;right:0;background:#fff;display:none;animation:rlFade .18s ease}
.rl-mega__panel.show{display:block}
.rl-mega:hover .rl-mega__panel{display:block}
.rl-mega__grid{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:22px}
.rl-mega__title{font-size:12.5px;font-weight:700;letter-spacing:.02em;color:var(--ink-500);margin-bottom:10px}
.rl-mega__list a{display:block;padding:7px 0;font-size:14.5px;color:var(--ink-700);transition:transform .2s ease,color .2s ease}
.rl-mega__list a:hover{color:var(--brand-600);transform:translateX(2px)}
.rl-mega__mini{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px dashed var(--line)}
.rl-mega__mini:last-child{border-bottom:0}
.rl-mega__mini span{font-size:12.5px;color:var(--ink-300);flex:0 0 auto}
.rl-mega__mini em{font-style:normal;font-size:14px;color:var(--ink-700);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rl-mega__card{display:flex;gap:12px;padding:14px;border-radius:var(--r-md);background:var(--bg);transition:box-shadow .22s ease,transform .22s ease}
.rl-mega__card:hover{box-shadow:var(--sh-sm);transform:translateY(-2px)}
.rl-mega__ico{width:38px;height:38px;border-radius:var(--r-ico);background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:0 0 auto}
.rl-mega__card h4{font-size:15px;font-weight:700;margin-bottom:4px}
.rl-mega__card p{font-size:13px;color:var(--ink-500);margin:0;line-height:1.6}
@keyframes rlFade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.rl-burger{width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}
.rl-burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink-900)}
.rl-drawer{background:#fff;border-bottom:1px solid var(--line)}
.rl-drawer__inner{padding:8px 0 18px}
.rl-drawer__link{display:flex;align-items:center;min-height:52px;padding:0 24px;font-size:15.5px;font-weight:600;color:var(--ink-700);border-bottom:1px solid var(--line)}
.rl-drawer__link.is-active{color:var(--brand-600)}
.rl-drawer__link:last-child{border-bottom:0}

/* Hero */
.rl-hero{position:relative;overflow:hidden;padding:78px 0 84px;
  background:linear-gradient(120deg,rgba(109,74,255,.88) 0%,rgba(155,92,255,.88) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.rl-hero__grid{display:grid;grid-template-columns:6fr 5fr;gap:44px;align-items:center}
.rl-hero h1{color:#fff;font-size:48px;line-height:1.28}
.rl-hero__sub{margin-top:20px;color:rgba(255,255,255,.9);font-size:17px;max-width:520px}
.rl-hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.rl-hero__badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.rl-hero__media{position:relative}
.rl-hero__media img{border-radius:var(--r-lg);box-shadow:var(--sh-lg);aspect-ratio:4/3;object-fit:cover;width:100%}
.rl-hero__float{position:absolute;left:-14px;bottom:24px;background:#fff;border-radius:var(--r-pill);box-shadow:var(--sh-md);padding:10px 18px;font-size:12.5px;font-weight:600;color:var(--ink-700)}
.rl-hero__float b{color:var(--brand-600);font-size:15px;font-weight:800}
.rl-hero__label{position:absolute;top:18px;right:18px;background:var(--accent-500);color:#fff;font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill)}
.rl-hero__glow{position:absolute;right:-30px;bottom:-40px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.42) 0%,rgba(255,255,255,0) 70%)}

/* 卖点区 */
.rl-feature{display:grid;grid-template-columns:6fr 3fr 3fr;gap:24px}
.rl-feature__main{background:var(--brand-grad);color:#fff;border-radius:var(--r-lg);padding:38px 34px;box-shadow:var(--sh-md);display:flex;flex-direction:column;gap:16px}
.rl-feature__main h3{color:#fff;font-size:24px}
.rl-feature__main p{color:rgba(255,255,255,.9);font-size:15px;margin:0}
.rl-feature__main .rl-link{color:#fff;text-decoration-color:rgba(255,255,255,.5)}
.rl-feature__main .rl-link:hover{color:#fff}
.rl-feature__ico{width:52px;height:52px;border-radius:var(--r-ico);background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;color:#fff}
.rl-feature__card{background:var(--surface);border-radius:var(--r-md);padding:30px 26px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;gap:14px;transition:box-shadow .22s ease,transform .22s ease}
.rl-feature__card:hover{box-shadow:var(--sh-md);transform:translateY(-4px)}
.rl-feature__card h3{font-size:19px}
.rl-feature__card p{font-size:14.5px;color:var(--ink-500);margin:0}
.rl-ico-box{width:46px;height:46px;border-radius:var(--r-ico);background:#F0EBFF;color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700}

/* 场景演示 */
.rl-scene{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.rl-scene + .rl-scene{margin-top:32px}
.rl-scene__media img{border-radius:var(--r-img);width:100%;aspect-ratio:16/11;object-fit:cover;box-shadow:var(--sh-sm)}
.rl-scene__no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--r-ico);background:var(--brand-grad);color:#fff;font-size:14px;font-weight:700;margin-bottom:14px}
.rl-scene__text h3{margin-bottom:12px}
.rl-list{margin:0 0 16px}
.rl-list li{position:relative;padding-left:22px;margin-bottom:10px;font-size:15px;color:var(--ink-700)}
.rl-list li::before{content:"";position:absolute;left:0;top:.72em;width:10px;height:10px;border-radius:50%;background:var(--brand-grad)}
.rl-scene--reverse .rl-scene__media{order:2}

/* 社会认同 */
.rl-social__bar{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;background:#fff;border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--sh-sm);margin-bottom:28px}
.rl-social__item{text-align:center}
.rl-social__item b{display:block;font-size:28px;font-weight:800;color:var(--accent-500);line-height:1.2}
.rl-social__item span{font-size:13.5px;color:var(--ink-500)}
.rl-quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.rl-quote{background:var(--surface);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-sm);transition:box-shadow .22s ease,transform .22s ease}
.rl-quote:hover{box-shadow:var(--sh-md);transform:translateY(-4px)}
.rl-quote__mark{font-size:34px;line-height:1;color:var(--brand-500);font-weight:800}
.rl-quote p{font-size:15px;color:var(--ink-700);margin:10px 0 14px}
.rl-quote__from{font-size:13px;color:var(--ink-300)}

/* 内容列表 */
.rl-posts{display:grid;grid-template-columns:8fr 4fr;gap:24px}
.rl-post-card{display:block;background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;transition:box-shadow .22s ease,transform .22s ease;height:100%}
.rl-post-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px)}
.rl-post-card:hover .rl-post-card__title{color:var(--brand-600)}
.rl-post-card__img{aspect-ratio:16/9;object-fit:cover;width:100%}
.rl-post-card__body{padding:24px}
.rl-post-card__title{font-size:22px;font-weight:600;line-height:1.45;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .22s ease}
.rl-post-card__desc{font-size:14.5px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 16px}
.rl-post-card__meta{display:flex;justify-content:space-between;align-items:center;font-size:13.5px;color:var(--ink-300);border-top:1px solid var(--line);padding-top:14px}
.rl-post-side{display:flex;flex-direction:column;gap:16px}
.rl-post-row{display:flex;gap:14px;background:var(--surface);border-radius:var(--r-md);padding:14px;box-shadow:var(--sh-sm);transition:box-shadow .22s ease,transform .22s ease}
.rl-post-row:hover{box-shadow:var(--sh-md);transform:translateY(-3px)}
.rl-post-row:hover .rl-post-row__title{color:var(--brand-600)}
.rl-post-row__thumb{width:88px;height:66px;border-radius:14px;object-fit:cover;flex:0 0 auto;background:var(--brand-grad)}
.rl-post-row__title{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .22s ease}
.rl-post-row__meta{font-size:12.5px;color:var(--ink-300);margin-top:6px;display:flex;gap:10px}
.rl-empty{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-sm);padding:52px 24px;text-align:center}
.rl-empty__ico{width:56px;height:56px;border-radius:var(--r-ico);background:var(--brand-grad);color:#fff;font-size:24px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.rl-empty p{color:var(--ink-500);margin-bottom:18px}

/* FAQ */
.rl-faq .accordion-item{border:0;border-radius:var(--r-img);background:var(--surface);box-shadow:var(--sh-sm);margin-bottom:12px;overflow:hidden}
.rl-faq .accordion-button{position:relative;background:#fff;color:var(--ink-900);font-size:16.5px;font-weight:600;padding:20px 56px 20px 24px;border-radius:var(--r-img);box-shadow:none}
.rl-faq .accordion-button:not(.collapsed){background:var(--bg);color:var(--brand-600)}
.rl-faq .accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand-grad)}
.rl-faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.rl-faq .accordion-button::after{content:"+";background-image:none;display:flex;align-items:center;justify-content:center;
  width:26px;height:26px;font-size:20px;font-weight:600;color:var(--brand-600);transform:none;transition:transform .22s ease;position:absolute;right:20px}
.rl-faq .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg)}
.rl-faq .accordion-body{padding:4px 24px 22px;color:var(--ink-700);font-size:15px}

/* CTA 带 */
.rl-cta{background:var(--bg);border-radius:var(--r-lg);padding:58px 30px;text-align:center;box-shadow:var(--sh-sm)}
.rl-cta h2{margin-bottom:14px}
.rl-cta p{color:var(--ink-500);max-width:620px;margin:0 auto 26px}

/* 固定转化条 */
.rl-stickybar{position:fixed;left:0;right:0;bottom:22px;z-index:1040;display:flex;justify-content:center;padding:0 24px;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .28s ease,transform .28s ease,visibility .28s}
.rl-stickybar.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.rl-stickybar__inner{display:flex;align-items:center;gap:20px;background:#fff;border-radius:var(--r-pill);box-shadow:var(--sh-lg);padding:12px 14px 12px 26px;max-width:760px;width:100%}
.rl-stickybar__text{font-size:14.5px;font-weight:600;color:var(--ink-900)}
.rl-stickybar__text span{color:var(--ink-500);font-weight:400}

/* 页脚 */
.rl-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:var(--sp-sec);padding-top:4px}
.rl-footer__bar{height:4px;background:var(--brand-grad)}
.rl-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding:62px 0 44px}
.rl-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.rl-footer__logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.rl-footer__logo .rl-logo__main{color:#fff}
.rl-footer__logo .rl-logo__sub{color:rgba(255,255,255,.6)}
.rl-footer p{font-size:14px;color:rgba(255,255,255,.6)}
.rl-footer__links li{margin-bottom:12px}
.rl-footer__links a{font-size:14px;color:rgba(255,255,255,.72)}
.rl-footer__links a:hover{color:var(--accent-500);text-decoration:underline;text-underline-offset:4px}
.rl-footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13.5px;color:rgba(255,255,255,.5);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}

@media (max-width:1199px){
  .rl-container{max-width:1140px}
  .rl-mega__panel{width:640px}
}
@media (max-width:991px){
  h1,.rl-hero h1{font-size:36px}
  h2{font-size:27px}
  .rl-hero__grid{grid-template-columns:7fr 5fr;gap:28px}
  .rl-feature{grid-template-columns:1fr 1fr}
  .rl-feature__main{grid-column:1 / -1}
  .rl-posts{grid-template-columns:1fr}
  .rl-quotes{grid-template-columns:1fr}
  .rl-footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:15.5px;padding-bottom:96px}
  :root{--sp-sec:56px}
  .rl-container{padding:0 18px}
  h1,.rl-hero h1{font-size:30px}
  h2{font-size:25px}
  h3{font-size:19px}
  .rl-hero{padding:52px 0 58px}
  .rl-hero__grid{grid-template-columns:1fr;gap:30px}
  .rl-hero__media{order:2}
  .rl-hero__cta .rl-btn{width:100%}
  .rl-feature{grid-template-columns:1fr}
  .rl-scene{grid-template-columns:1fr}
  .rl-scene--reverse .rl-scene__media{order:0}
  .rl-social__bar{grid-template-columns:1fr 1fr;gap:22px}
  .rl-footer__grid{grid-template-columns:1fr;gap:28px;padding:44px 0 30px}
  .rl-stickybar{padding:0 18px;bottom:0}
  .rl-stickybar__inner{border-radius:0;padding:12px 18px;gap:12px;flex-wrap:nowrap}
  .rl-stickybar__text{flex:1 1 auto;font-size:13.5px}
  .rl-stickybar__text span{display:none}
  .rl-stickybar .rl-btn{width:40%;flex:0 0 40%;padding:14px 10px;font-size:14px}
}

/* roulang page: article */
:root{
  --brand-600:#6D4AFF;
  --brand-700:#4F32D6;
  --brand-500:#8A6BFF;
  --brand-grad:linear-gradient(120deg,#6D4AFF 0%,#9B5CFF 100%);
  --accent-500:#16C79A;
  --accent-soft:#E6FBF5;
  --cta-500:#FF7A45;
  --cta-600:#F2601F;
  --ink-900:#1B1733;
  --ink-700:#3E3A5C;
  --ink-500:#6B6790;
  --ink-300:#A9A5C2;
  --line:#ECEAF7;
  --bg:#F6F5FF;
  --surface:#FFFFFF;
  --dark:#151130;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-sm:0 4px 16px rgba(27,23,51,.06);
  --sh-md:0 12px 32px rgba(109,74,255,.10);
  --sh-lg:0 24px 60px rgba(109,74,255,.16);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header / nav ---------- */
.rl-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);transition:background .22s ease,box-shadow .22s ease}
.rl-header.is-scrolled{background:#fff;box-shadow:var(--sh-sm);border-bottom-color:transparent}
.rl-header__inner{display:flex;align-items:center;gap:20px;height:72px}
.rl-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.rl-logo__mark{width:40px;height:40px;border-radius:12px;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex:0 0 auto}
.rl-logo__text{display:flex;flex-direction:column;line-height:1.15}
.rl-logo__main{font-weight:800;font-size:16px;color:var(--ink-900)}
.rl-logo__sub{font-size:12px;color:var(--ink-500);letter-spacing:.04em}
.rl-nav{margin-left:auto;align-items:center;gap:2px}
.rl-nav__link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 13px;border-radius:11px;font-size:15px;font-weight:500;color:var(--ink-700);transition:background .18s ease,color .18s ease}
.rl-nav__link:hover{color:var(--brand-600);background:var(--bg)}
.rl-nav__link.is-active{color:var(--brand-600);font-weight:700}
.rl-nav__link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--brand-grad)}
.rl-mega{position:relative}
.rl-mega .dropdown-toggle::after{margin-left:6px;vertical-align:1px;border-top-color:currentColor}
.rl-mega .dropdown-menu{position:absolute;top:calc(100% + 12px);left:0;min-width:760px;margin:0;padding:22px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-lg);display:none;opacity:0;transform:translateY(6px);transition:opacity .18s ease,transform .18s ease}
.rl-mega .dropdown-menu.show{display:block;opacity:1;transform:translateY(0)}
@media (min-width:992px){
  .rl-mega:hover>.dropdown-menu{display:block;opacity:1;transform:translateY(0)}
}
.rl-mega__grid{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:26px}
.rl-mega__title{font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--ink-500);margin-bottom:12px}
.rl-mega__list a{display:block;padding:7px 0;font-size:14.5px;color:var(--ink-700);transition:transform .18s ease,color .18s ease}
.rl-mega__list a:hover{color:var(--brand-600);transform:translateX(2px)}
.rl-mega__mini{display:flex;justify-content:space-between;gap:10px;padding:7px 0;font-size:14px;color:var(--ink-700);border-bottom:1px dashed var(--line)}
.rl-mega__mini em{font-style:normal;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rl-mega__mini span{color:var(--ink-300);font-size:12.5px;flex:0 0 auto}
.rl-mega__card{display:flex;gap:12px;padding:12px;border-radius:16px;background:var(--bg);margin-bottom:10px;transition:background .2s ease,transform .2s ease}
.rl-mega__card:hover{background:var(--accent-soft);transform:translateY(-2px)}
.rl-mega__ico{width:36px;height:36px;border-radius:12px;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:0 0 auto}
.rl-mega__card h4{font-size:15px;font-weight:700;color:var(--ink-900);line-height:1.4}
.rl-mega__card p{font-size:13px;color:var(--ink-500);line-height:1.6}
.rl-header__cta{margin-left:12px}
.rl-burger{width:42px;height:42px;margin-left:auto;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink-700);font-size:16px}
.rl-mobile{border-top:1px solid var(--line);background:#fff}
.rl-mobile__inner{padding:8px 24px 20px}
.rl-mobile__item{display:flex;align-items:center;justify-content:space-between;height:52px;font-size:15px;color:var(--ink-700);border-bottom:1px solid var(--line)}
.rl-mobile__item.is-active{color:var(--brand-600);font-weight:700}
.rl-mobile__sub{padding:6px 0 10px 14px}
.rl-mobile__sub a{display:block;height:44px;line-height:44px;font-size:14px;color:var(--ink-500)}

/* ---------- buttons / tags ---------- */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:700;font-size:15px;padding:16px 30px;border-radius:var(--r-sm);white-space:nowrap;transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease}
.rl-btn--primary{background:linear-gradient(120deg,var(--cta-500),var(--cta-600));color:#fff;box-shadow:var(--sh-sm)}
.rl-btn--primary:hover{color:#fff;filter:brightness(1.05);box-shadow:var(--sh-md);transform:translateY(-1px)}
.rl-btn--ghost{background:#fff;border:1.5px solid var(--brand-500);color:var(--brand-600)}
.rl-btn--ghost:hover{background:var(--accent-soft);color:var(--brand-700)}
.rl-btn--text{background:none;padding:0;color:var(--brand-600);text-decoration:underline;text-underline-offset:4px;font-size:15px}
.rl-btn--sm{padding:10px 20px;font-size:14px;border-radius:var(--r-xs)}
.rl-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:var(--accent-soft);color:#0E9B78;font-size:12.5px;font-weight:600;letter-spacing:.02em}

/* ---------- page head ---------- */
.rl-pagehead{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line);padding:34px 0 40px}
.rl-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:18px}
.rl-crumb a:hover{color:var(--brand-600)}
.rl-crumb em{font-style:normal;color:var(--ink-900)}
.rl-pagehead__title{font-size:34px;line-height:1.32;font-weight:700;color:var(--ink-900);margin:14px 0 16px;max-width:900px}
.rl-metarow{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--ink-500)}
.rl-metarow .rl-dot{width:4px;height:4px;border-radius:50%;background:var(--ink-300)}

/* ---------- article layout ---------- */
.rl-main{padding:52px 0 72px}
.rl-article-card{background:#fff;border-radius:var(--r-lg);padding:40px;box-shadow:var(--sh-sm)}
.rl-article-body{font-size:17px;line-height:1.9;color:var(--ink-700);max-width:760px}
.rl-article-body p{margin:0 0 1.2em}
.rl-article-body h2{position:relative;font-size:24px;font-weight:700;line-height:1.35;color:var(--ink-900);margin:36px 0 16px;padding-left:16px}
.rl-article-body h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;background:var(--brand-grad)}
.rl-article-body h3{font-size:19px;font-weight:600;color:var(--brand-600);margin:26px 0 12px}
.rl-article-body h2:first-child,.rl-article-body h3:first-child{margin-top:0}
.rl-article-body ul,.rl-article-body ol{list-style:none;padding:0;margin:0 0 1.2em}
.rl-article-body ul li{position:relative;padding-left:22px;margin-bottom:8px}
.rl-article-body ul li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--brand-grad)}
.rl-article-body ol{counter-reset:rlol}
.rl-article-body ol li{position:relative;padding-left:30px;margin-bottom:8px;counter-increment:rlol}
.rl-article-body ol li::before{content:counter(rlol);position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:8px;background:var(--bg);color:var(--brand-600);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.rl-article-body blockquote{margin:24px 0;padding:18px 22px;background:#F4F1FF;border-left:3px solid var(--accent-500);border-radius:14px;color:var(--ink-700);font-size:16px}
.rl-article-body img{border-radius:16px;margin:20px 0}
.rl-article-body figure{margin:24px 0}
.rl-article-body figcaption{text-align:center;font-size:13px;color:var(--ink-500);margin-top:8px}
.rl-article-body table{width:100%;border-collapse:separate;border-spacing:0;font-size:15px;margin:20px 0;border-radius:14px;overflow:hidden}
.rl-article-body th{background:var(--bg);text-align:left;padding:12px 14px;color:var(--ink-900);font-weight:600}
.rl-article-body td{padding:12px 14px;border-top:1px solid var(--line)}
.rl-article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:4px}
.rl-empty{max-width:760px;padding:56px 0;text-align:center;color:var(--ink-500)}
.rl-empty i{font-size:34px;color:var(--ink-300)}
.rl-empty p{margin:16px 0 22px;font-size:16px}

/* ---------- sidebar ---------- */
.rl-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.rl-side__card{background:#fff;border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-sm)}
.rl-side__title{font-size:16px;font-weight:700;color:var(--ink-900);margin-bottom:14px}
.rl-side__list a{position:relative;display:block;padding:10px 0 10px 14px;font-size:14.5px;color:var(--ink-700);border-bottom:1px dashed var(--line);transition:color .18s ease}
.rl-side__list a:last-child{border-bottom:0}
.rl-side__list a::before{content:"";position:absolute;left:0;top:18px;width:3px;height:12px;border-radius:3px;background:transparent;transition:background .2s ease}
.rl-side__list a:hover{color:var(--brand-600)}
.rl-side__list a:hover::before{background:var(--accent-500)}
.rl-side__rec{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
.rl-side__rec:last-child{border-bottom:0}
.rl-thumb{background:var(--brand-grad);border-radius:var(--r-xs);overflow:hidden;flex:0 0 auto}
.rl-thumb img{width:100%;height:100%;object-fit:cover}
.rl-thumb--row{width:88px;height:62px}
.rl-side__rec h4{font-size:14.5px;font-weight:600;line-height:1.5;color:var(--ink-900);margin-bottom:6px;transition:color .18s ease}
.rl-side__rec:hover h4{color:var(--brand-600)}
.rl-side__rec span{font-size:12.5px;color:var(--ink-500)}

/* ---------- related ---------- */
.rl-related{background:#fff;padding:70px 0 8px}
.rl-section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.rl-section__title{font-size:28px;font-weight:700;color:var(--ink-900);line-height:1.35}
.rl-section__desc{font-size:14.5px;color:var(--ink-500);margin-top:8px}
.rl-related__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rl-post{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--sh-sm);transition:transform .22s ease,box-shadow .22s ease}
.rl-post:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.rl-post__cover{aspect-ratio:16/10;overflow:hidden;background:var(--brand-grad)}
.rl-post__cover img{width:100%;height:100%;object-fit:cover}
.rl-post__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.rl-post__title{font-size:18px;font-weight:600;line-height:1.45;color:var(--ink-900);margin:10px 0 8px;transition:color .18s ease}
.rl-post:hover .rl-post__title{color:var(--brand-600)}
.rl-post__desc{font-size:14px;color:var(--ink-500);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-post__meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--ink-500);margin-top:auto;padding-top:16px}
.rl-backrow{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;padding:40px 0 80px;background:#fff}

/* ---------- footer ---------- */
.rl-footer{position:relative;background:var(--dark);color:#C9C5E4;padding:66px 0 28px}
.rl-footer__bar{position:absolute;top:0;left:0;right:0;height:4px;background:var(--brand-grad)}
.rl-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:40px}
.rl-footer__logo{display:flex;align-items:center;gap:10px}
.rl-footer__logo .rl-logo__main{color:#fff}
.rl-footer__logo .rl-logo__sub{color:#A8A4C8}
.rl-footer p{font-size:14px;line-height:1.8;color:#A8A4C8;margin-top:14px}
.rl-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.rl-footer__links{list-style:none;padding:0;margin:0}
.rl-footer__links li{margin-bottom:10px;font-size:14px}
.rl-footer__links a{color:#C9C5E4}
.rl-footer__links a:hover{color:var(--accent-500);text-decoration:underline;text-underline-offset:4px}
.rl-footer__bottom{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;border-top:1px solid rgba(255,255,255,.08);padding-top:22px;font-size:13.5px;color:#8E8AB0}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .rl-container{max-width:1140px}
}
@media (max-width:991px){
  .rl-pagehead__title{font-size:28px}
  .rl-article-card{padding:28px}
  .rl-side{position:static;margin-top:24px}
  .rl-related__grid{grid-template-columns:1fr 1fr}
  .rl-footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .rl-container{padding:0 18px}
  .rl-main{padding:36px 0 56px}
  .rl-article-card{padding:20px;border-radius:20px}
  .rl-article-body{font-size:16px;line-height:1.85}
  .rl-article-body h2{font-size:21px}
  .rl-related{padding:52px 0 8px}
  .rl-section__title{font-size:23px}
  .rl-related__grid{grid-template-columns:1fr}
  .rl-backrow{padding:32px 0 56px}
  .rl-backrow .rl-btn{width:100%}
  .rl-footer__grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:575px){
  .rl-pagehead{padding:26px 0 32px}
  .rl-pagehead__title{font-size:24px}
  .rl-logo__main{font-size:15px}
}

/* roulang page: category1 */
:root{
  --brand-600:#6D4AFF;
  --brand-700:#4F32D6;
  --brand-500:#8A6BFF;
  --brand-grad:linear-gradient(120deg,#6D4AFF 0%,#9B5CFF 100%);
  --accent-500:#16C79A;
  --accent-soft:#E6FBF5;
  --cta-500:#FF7A45;
  --cta-600:#F2601F;
  --cta-grad:linear-gradient(120deg,#FF7A45 0%,#F2601F 100%);
  --ink-900:#1B1733;
  --ink-700:#3E3A5C;
  --ink-500:#6B6790;
  --ink-300:#A9A5C2;
  --line:#ECEAF7;
  --bg:#F6F5FF;
  --surface:#FFFFFF;
  --dark:#151130;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:16px;
  --r-btn:14px;
  --r-ico:12px;
  --sh-sm:0 4px 16px rgba(27,23,51,.06);
  --sh-md:0 12px 32px rgba(109,74,255,.10);
  --sh-lg:0 24px 60px rgba(109,74,255,.16);
  --ease:.22s ease;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0 0 24px;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding-left:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px;}

.rl-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.rl-section{padding:88px 0;}
.rl-section--tight{padding:56px 0;}

/* ---------- 顶部导航 ---------- */
.rl-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.rl-header.is-scrolled{
  background:#fff;
  box-shadow:var(--sh-sm);
}
.rl-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:72px;
}
.rl-logo{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.rl-logo__mark{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-ico);
  background:var(--brand-grad);
  color:#fff;
  font-weight:800;
  font-size:19px;
  box-shadow:var(--sh-sm);
  letter-spacing:.02em;
}
.rl-logo__text{display:flex;flex-direction:column;line-height:1.2;}
.rl-logo__main{
  font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:.02em;
}
.rl-logo__sub{
  font-size:12.5px;font-weight:600;color:var(--ink-500);letter-spacing:.06em;
}
.rl-nav{
  align-items:center;
  gap:6px;
}
.rl-nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-700);
  border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.rl-nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform var(--ease);
}
.rl-nav__link:hover{color:var(--brand-600);background:#FAF9FF;}
.rl-nav__link.is-active{color:var(--brand-600);}
.rl-nav__link.is-active::after{transform:scaleX(1);}

.rl-mega{position:relative;}
.rl-mega .dropdown-toggle::after{
  margin-left:6px;
  border-top-color:currentColor;
}
.rl-mega__panel{
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-lg);
  padding:22px;
  width:840px;
  max-width:calc(100vw - 48px);
  margin-top:14px;
  background:#fff;
  opacity:0;
  transform:translateY(6px);
  transition:opacity .18s ease,transform .18s ease;
}
.rl-mega__panel.show{opacity:1;transform:translateY(0);}
.rl-mega__grid{
  display:grid;
  grid-template-columns:1.1fr 1.1fr 1.3fr;
  gap:26px;
}
.rl-mega__title{
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--ink-500);
  margin-bottom:12px;
}
.rl-mega__list{display:flex;flex-direction:column;}
.rl-mega__list a{
  display:block;
  padding:8px 0;
  font-size:14.5px;
  color:var(--ink-700);
  transition:color var(--ease),transform var(--ease);
}
.rl-mega__list a:hover{color:var(--brand-600);transform:translateX(2px);}
.rl-mega__mini{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:9px 0;
  border-bottom:1px dashed var(--line);
}
.rl-mega__mini:last-child{border-bottom:0;}
.rl-mega__mini em{
  font-style:normal;
  font-size:14px;
  color:var(--ink-700);
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rl-mega__mini span{font-size:12.5px;color:var(--ink-300);white-space:nowrap;}
.rl-mega__card{
  display:flex;
  gap:12px;
  padding:12px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#FBFAFF;
  margin-bottom:10px;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.rl-mega__card:hover{
  box-shadow:var(--sh-md);
  transform:translateY(-2px);
  border-color:var(--brand-500);
}
.rl-mega__ico{
  flex:0 0 38px;
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-ico);
  background:var(--brand-grad);
  color:#fff;
  font-weight:700;
  font-size:15px;
}
.rl-mega__card h4{
  font-size:14.5px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:2px;
}
.rl-mega__card p{
  font-size:12.5px;
  line-height:1.6;
  color:var(--ink-500);
  margin:0;
}

.rl-burger{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  border:1.5px solid var(--line);
  background:#fff;
  color:var(--ink-900);
  font-size:18px;
}
.rl-burger:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}

.rl-drawer{
  background:#fff;
  width:min(360px,92vw);
}
.rl-drawer .offcanvas-header{
  border-bottom:1px solid var(--line);
  padding:18px 20px;
}
.rl-drawer .offcanvas-body{padding:0;}
.rl-drawer__group-title{
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--ink-500);
  padding:18px 20px 8px;
}
.rl-drawer__link{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 20px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.rl-drawer__link.is-active{color:var(--brand-600);}
.rl-drawer__link:hover{background:#FAF9FF;color:var(--brand-600);}

/* ---------- 页头（内页 banner） ---------- */
.rl-banner{
  position:relative;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  padding:56px 0 52px;
  overflow:hidden;
}
.rl-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:var(--brand-grad);
  opacity:.9;
}
.rl-banner__inner{position:relative;z-index:2;}
.rl-crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:rgba(255,255,255,.82);
  margin-bottom:14px;
}
.rl-crumb a{color:rgba(255,255,255,.82);}
.rl-crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.rl-crumb span.sep{opacity:.6;}
.rl-crumb .cur{color:#fff;font-weight:600;}
.rl-banner h1{
  font-size:42px;
  font-weight:800;
  line-height:1.28;
  color:#fff;
  letter-spacing:.01em;
  margin-bottom:14px;
}
.rl-banner__lead{
  max-width:720px;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.92);
}
.rl-banner__tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.rl-banner__tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.32);
  color:#fff;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.rl-banner__tag i{font-size:12px;}

/* ---------- 锚点 + 内容 布局 ---------- */
.rl-anchor-layout{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.rl-anchor{
  position:sticky;
  top:96px;
  background:var(--surface);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--sh-sm);
}
.rl-anchor h2{
  font-size:15px;
  font-weight:800;
  color:var(--ink-900);
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.rl-anchor ol{display:flex;flex-direction:column;gap:2px;}
.rl-anchor a{
  position:relative;
  display:block;
  padding:10px 12px 10px 16px;
  font-size:14px;
  color:var(--ink-700);
  border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.rl-anchor a::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:3px;
  background:var(--accent-500);
  opacity:0;
  transition:opacity var(--ease);
}
.rl-anchor a:hover{color:var(--brand-600);background:#FAF9FF;}
.rl-anchor a.is-current{color:var(--brand-600);font-weight:700;background:#F7F5FF;}
.rl-anchor a.is-current::before{opacity:1;}
.rl-anchor__note{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  line-height:1.75;
  color:var(--ink-500);
}

.rl-content{display:flex;flex-direction:column;gap:26px;}
.rl-block{
  background:var(--surface);
  border-radius:var(--r-lg);
  padding:32px 34px;
  box-shadow:var(--sh-sm);
  transition:box-shadow var(--ease);
  scroll-margin-top:100px;
}
.rl-block:hover{box-shadow:var(--sh-md);}
.rl-block__head{
  display:flex;
  align-items:flex-start;
  gap:14px;
  margin-bottom:20px;
}
.rl-block__num{
  flex:0 0 40px;
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-ico);
  background:var(--brand-grad);
  color:#fff;
  font-weight:800;
  font-size:15px;
  letter-spacing:.02em;
}
.rl-block__head h2{
  font-size:26px;
  font-weight:700;
  line-height:1.35;
  color:var(--ink-900);
  letter-spacing:.01em;
}
.rl-block__head h2 small{
  display:block;
  margin-top:6px;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-500);
  letter-spacing:.02em;
}
.rl-block p{font-size:15.5px;line-height:1.9;color:var(--ink-700);}
.rl-block p + p{margin-top:14px;}
.rl-divide{
  height:1px;
  background:var(--line);
  margin:0;
  border:0;
}
.rl-points{
  display:grid;
  gap:12px;
  margin-top:18px;
}
.rl-points li{
  position:relative;
  padding-left:24px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-700);
}
.rl-points li::before{
  content:"";
  position:absolute;
  left:0;top:12px;
  width:10px;height:10px;
  border-radius:50%;
  background:var(--brand-grad);
}
.rl-points li strong{color:var(--ink-900);font-weight:700;}

.rl-figure{
  margin-top:22px;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--brand-grad);
}
.rl-figure img{
  width:100%;
  height:230px;
  object-fit:cover;
  border-radius:var(--r-sm);
}
.rl-figure figcaption{
  padding:10px 4px 0;
  font-size:13px;
  color:var(--ink-500);
}

.rl-inline-tip{
  display:flex;
  gap:14px;
  margin-top:20px;
  padding:18px 20px;
  border-radius:var(--r-sm);
  background:var(--accent-soft);
}
.rl-inline-tip i{
  color:var(--accent-500);
  font-size:18px;
  line-height:1.6;
}
.rl-inline-tip p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--ink-700);
  margin:0;
}

/* 表格：可横向滚动 */
.rl-table-wrap{
  margin-top:20px;
  overflow-x:auto;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
}
.rl-table{
  width:100%;
  min-width:620px;
  border-collapse:collapse;
}
.rl-table th,.rl-table td{
  padding:14px 18px;
  font-size:14.5px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.rl-table th{
  background:#FAF9FF;
  color:var(--ink-900);
  font-weight:700;
  white-space:nowrap;
}
.rl-table td{color:var(--ink-700);}
.rl-table tr:last-child td{border-bottom:0;}

/* 徽章 */
.rl-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  background:var(--accent-soft);
  color:#0F8F70;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.rl-badge i{font-size:12px;}
.rl-badge--grad{
  background:var(--brand-grad);
  color:#fff;
}
.rl-badge--grad b{font-weight:800;}

/* 按钮 */
.rl-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:16px 30px;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:700;
  border:0;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),filter var(--ease);
}
.rl-btn--primary{
  background:var(--cta-grad);
  color:#fff;
  box-shadow:var(--sh-sm);
}
.rl-btn--primary:hover{
  color:#fff;
  filter:brightness(1.05);
  box-shadow:var(--sh-md);
  transform:translateY(-1px);
}
.rl-btn--ghost{
  background:#fff;
  color:var(--brand-600);
  border:1.5px solid var(--brand-500);
}
.rl-btn--ghost:hover{
  background:var(--accent-soft);
  color:var(--brand-700);
}
.rl-btn--sm{padding:12px 22px;font-size:14.5px;}
.rl-link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand-600);
  text-decoration:underline;
  text-underline-offset:4px;
}
.rl-link-more:hover{color:var(--brand-700);}

/* ---------- 表单 ---------- */
.rl-form{
  margin-top:22px;
  background:#FBFAFF;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
}
.rl-form__row{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:14px;
  align-items:end;
}
.rl-field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--ink-500);
  margin-bottom:8px;
}
.rl-field input{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-btn);
  border:1.5px solid var(--line);
  background:#fff;
  font-size:15px;
  color:var(--ink-900);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.rl-field input::placeholder{color:var(--ink-300);}
.rl-field input:focus{
  outline:none;
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(109,74,255,.16);
}
.rl-form__error{
  display:none;
  margin-top:14px;
  padding-left:12px;
  border-left:3px solid var(--cta-500);
  font-size:13.5px;
  color:#D9531E;
}
.rl-form__error.is-show{display:block;}
.rl-form__hint{
  margin-top:12px;
  font-size:13px;
  color:var(--ink-500);
}

/* ---------- FAQ ---------- */
.rl-faq .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  margin-bottom:12px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--sh-sm);
}
.rl-faq .accordion-button{
  position:relative;
  width:100%;
  padding:20px 24px 20px 26px;
  font-size:16px;
  font-weight:700;
  color:var(--ink-900);
  background:#fff;
  border:0;
  text-align:left;
  box-shadow:none;
}
.rl-faq .accordion-button::after{display:none;}
.rl-faq .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--brand-grad);
  opacity:0;
  transition:opacity var(--ease);
}
.rl-faq .accordion-button .rl-faq__ico{
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--bg);
  color:var(--brand-600);
  font-size:15px;
  font-weight:700;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.rl-faq .accordion-button:not(.collapsed){
  background:var(--bg);
  color:var(--brand-600);
}
.rl-faq .accordion-button:not(.collapsed)::before{opacity:1;}
.rl-faq .accordion-button:not(.collapsed) .rl-faq__ico{
  background:var(--brand-grad);
  color:#fff;
  transform:translateY(-50%) rotate(180deg);
}
.rl-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand-600);outline-offset:-2px;}
.rl-faq .accordion-body{
  padding:4px 26px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-700);
  background:var(--bg);
}
.rl-faq .accordion-body p{margin:0;}

/* ---------- CTA 带 ---------- */
.rl-cta-band{
  background:linear-gradient(120deg,#F3F0FF 0%,#EAF9F4 100%);
  border-radius:var(--r-lg);
  padding:44px 40px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.rl-cta-band h2{
  font-size:26px;
  font-weight:700;
  color:var(--ink-900);
  line-height:1.4;
  margin-bottom:8px;
}
.rl-cta-band p{
  font-size:15px;
  color:var(--ink-500);
  margin:0;
  max-width:620px;
}

/* ---------- 页脚 ---------- */
.rl-footer{
  position:relative;
  margin-top:88px;
  background:var(--dark);
  color:rgba(255,255,255,.72);
  font-size:14.5px;
}
.rl-footer__bar{
  height:4px;
  background:var(--brand-grad);
}
.rl-footer__grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding:56px 0 40px;
}
.rl-footer__logo{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.rl-footer__logo .rl-logo__main{color:#fff;}
.rl-footer__logo .rl-logo__sub{color:rgba(255,255,255,.6);}
.rl-footer p{
  font-size:14.5px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
  max-width:320px;
}
.rl-footer h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.rl-footer__links{display:flex;flex-direction:column;gap:10px;}
.rl-footer__links a,.rl-footer__links span{
  color:rgba(255,255,255,.72);
  font-size:14.5px;
}
.rl-footer__links a:hover{
  color:var(--accent-500);
  text-decoration:underline;
  text-underline-offset:4px;
}
.rl-footer__bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;
  color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .rl-container{max-width:1140px;}
  .rl-mega__panel{width:760px;}
}
@media (max-width:1199px){
  .rl-mega__panel{width:640px;}
  .rl-mega__grid{grid-template-columns:1fr 1fr;}
  .rl-mega__grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  .rl-banner{padding:40px 0;}
  .rl-banner h1{font-size:32px;}
  .rl-anchor-layout{grid-template-columns:1fr;gap:24px;}
  .rl-anchor{position:static;top:auto;}
  .rl-section{padding:64px 0;}
  .rl-footer__grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px;}
  .rl-block{padding:26px 24px;}
  .rl-block__head h2{font-size:22px;}
}
@media (max-width:767px){
  .rl-container{padding:0 18px;}
  .rl-section{padding:56px 0;}
  .rl-banner h1{font-size:28px;}
  .rl-banner__lead{font-size:15px;}
  .rl-block{padding:22px 18px;border-radius:var(--r-md);}
  .rl-block__head h2{font-size:20px;}
  .rl-block__head h2 small{font-size:13px;}
  .rl-block p{font-size:15px;}
  .rl-points li{font-size:14.5px;}
  .rl-form{padding:18px;}
  .rl-form__row{grid-template-columns:1fr;}
  .rl-form__row .rl-btn{width:100%;}
  .rl-faq .accordion-button{font-size:15px;padding:18px 56px 18px 20px;}
  .rl-faq .accordion-body{padding:2px 20px 20px;}
  .rl-cta-band{padding:30px 22px;border-radius:var(--r-md);}
  .rl-cta-band h2{font-size:21px;}
  .rl-cta-band .rl-btn{width:100%;}
  .rl-figure img{height:190px;}
  .rl-footer__bottom{justify-content:flex-start;}
}
@media (max-width:575px){
  .rl-banner h1{font-size:26px;}
  .rl-logo__main{font-size:16px;}
  .rl-logo__sub{font-size:11.5px;letter-spacing:.04em;}
  .rl-block__num{flex:0 0 34px;width:34px;height:34px;font-size:14px;}
  .rl-btn{width:100%;}
  .rl-btn--sm{width:auto;}
}

/* roulang page: category2 */
:root{
  --brand-600:#6D4AFF;
  --brand-700:#4F32D6;
  --brand-500:#8A6BFF;
  --brand-grad:linear-gradient(120deg,#6D4AFF 0%,#9B5CFF 100%);
  --accent-500:#16C79A;
  --accent-soft:#E6FBF5;
  --cta-500:#FF7A45;
  --cta-600:#F2601F;
  --ink-900:#1B1733;
  --ink-700:#3E3A5C;
  --ink-500:#6B6790;
  --ink-300:#A9A5C2;
  --line:#ECEAF7;
  --bg:#F6F5FF;
  --surface:#FFFFFF;
  --dark:#151130;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-sm:0 4px 16px rgba(27,23,51,.06);
  --sh-md:0 12px 32px rgba(109,74,255,.10);
  --sh-lg:0 24px 60px rgba(109,74,255,.16);
  --ease:.22s ease;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.3;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--brand-grad);color:#fff}

/* ============ 容器 ============ */
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.rl-narrow{width:100%;max-width:900px;margin:0 auto}

/* ============ 头部与导航 ============ */
.rl-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rl-header.is-scrolled{background:#fff;box-shadow:var(--sh-sm);border-bottom-color:transparent}
.rl-header__inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px}
.rl-logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.rl-logo__mark{
  width:40px;height:40px;border-radius:var(--r-xs);
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(109,74,255,.28);
}
.rl-logo__text{display:flex;flex-direction:column;line-height:1.15}
.rl-logo__main{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:.01em}
.rl-logo__sub{font-size:11.5px;font-weight:600;color:var(--brand-600);letter-spacing:.06em}
.rl-nav{align-items:center;gap:4px}
.rl-nav__link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-700);
  border-radius:10px;
  white-space:nowrap;
}
.rl-nav__link:hover{color:var(--brand-600);background:rgba(109,74,255,.06)}
.rl-nav__link.is-active{color:var(--brand-600)}
.rl-nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand-grad);border-radius:2px;
}
.rl-burger{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1.5px solid var(--line);border-radius:var(--r-sm);
  padding:10px 16px;font-size:15px;font-weight:600;color:var(--ink-900);
  cursor:pointer;transition:border-color var(--ease),color var(--ease);
}
.rl-burger:hover{border-color:var(--brand-500);color:var(--brand-600)}
.rl-drawer{border-top:1px solid var(--line);background:#fff}
.rl-drawer__inner{padding:8px 24px 22px}
.rl-drawer__link{
  display:flex;align-items:center;min-height:52px;
  padding:0 4px;font-size:16px;font-weight:600;color:var(--ink-800);
  border-bottom:1px solid var(--line);
}
.rl-drawer__link:last-child{border-bottom:0}
.rl-drawer__link.is-active{color:var(--brand-600)}
.rl-drawer__group{padding:16px 4px 6px;font-size:13px;font-weight:700;color:var(--ink-500);letter-spacing:.04em}

/* Mega 面板 */
.rl-mega{position:relative}
.rl-mega .dropdown-toggle::after{
  margin-left:6px;vertical-align:2px;
  border-top-color:currentColor;
}
.rl-mega__panel{
  width:820px;max-width:calc(100vw - 48px);
  padding:22px;border:1px solid var(--line)!important;
  border-radius:20px!important;
  box-shadow:var(--sh-lg)!important;
  background:#fff;
  margin-top:10px!important;
  left:auto;right:0;
  animation:rlFade .18s ease both;
}
@keyframes rlFade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.rl-mega__grid{display:grid;grid-template-columns:1fr 1.05fr 1.25fr;gap:24px}
.rl-mega__title{font-size:12.5px;font-weight:700;color:var(--ink-500);letter-spacing:.06em;margin-bottom:10px}
.rl-mega__list{display:flex;flex-direction:column}
.rl-mega__list a{
  display:block;padding:7px 0;font-size:14.5px;color:var(--ink-700);
  transition:color var(--ease),transform var(--ease);
}
.rl-mega__list a:hover{color:var(--brand-600);transform:translateX(-2px)}
.rl-mega__mini{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:7px 0;font-size:14.5px}
.rl-mega__mini em{font-style:normal;color:var(--ink-700);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rl-mega__mini span{font-size:12.5px;color:var(--ink-300);flex-shrink:0}
.rl-mega__card{
  display:flex;gap:12px;padding:12px;border-radius:var(--r-sm);
  background:var(--bg);transition:background var(--ease),transform var(--ease);
}
.rl-mega__card + .rl-mega__card{margin-top:10px}
.rl-mega__card:hover{background:var(--accent-soft);transform:translateY(-2px)}
.rl-mega__ico{
  width:38px;height:38px;flex-shrink:0;border-radius:var(--r-xs);
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
}
.rl-mega__card h4{font-size:14.5px;font-weight:700;margin-bottom:2px}
.rl-mega__card p{font-size:13px;color:var(--ink-500);line-height:1.6}

/* ============ 按钮与通用组件 ============ */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:16px 30px;border-radius:var(--r-sm);
  font-size:16px;font-weight:700;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),filter var(--ease);
}
.rl-btn--primary{
  background:linear-gradient(120deg,var(--cta-500),var(--cta-600));
  color:#fff;box-shadow:0 8px 20px rgba(242,96,31,.24);
}
.rl-btn--primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-md);color:#fff}
.rl-btn--primary:active{transform:translateY(0);filter:brightness(.96)}
.rl-btn--ghost{
  background:#fff;color:var(--brand-600);border-color:var(--brand-500);
  box-shadow:var(--sh-sm);
}
.rl-btn--ghost:hover{background:var(--accent-soft);color:var(--brand-700);transform:translateY(-1px)}
.rl-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-600);font-weight:700;font-size:15px;
  text-decoration:underline;text-underline-offset:4px;
  transition:color var(--ease),gap var(--ease);
}
.rl-link:hover{color:var(--brand-700);gap:10px}
.rl-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--accent-soft);color:#0E8C6C;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.rl-badge{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:7px 14px;border-radius:999px;
  background:var(--accent-soft);color:var(--ink-700);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.rl-badge b{font-size:15px;font-weight:700;color:var(--accent-500)}
.rl-badge--solid{background:var(--brand-grad);color:#fff}
.rl-badge--solid b{color:#fff}
.rl-eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-600);margin-bottom:12px;
}

/* ============ 页面头部 ============ */
.rl-pagehead{padding:34px 0 0;background:var(--bg)}
.rl-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:20px}
.rl-crumb a{color:var(--ink-500)}
.rl-crumb a:hover{color:var(--brand-600)}
.rl-crumb span.sep{color:var(--ink-300)}
.rl-crumb .now{color:var(--brand-600);font-weight:600}
.rl-pagehead h1{font-size:44px;font-weight:800;line-height:1.25;letter-spacing:0}
.rl-pagehead .lead{margin-top:14px;font-size:16.5px;color:var(--ink-500);max-width:760px}

/* ============ 渐变导语卡 ============ */
.rl-intro{
  position:relative;overflow:hidden;
  margin-top:32px;
  padding:44px 44px 40px;
  border-radius:var(--r-lg);
  background:var(--brand-grad);
  color:#fff;
  box-shadow:var(--sh-lg);
}
.rl-intro::after{
  content:"";position:absolute;right:-90px;bottom:-110px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
  pointer-events:none;
}
.rl-intro__inner{position:relative;z-index:1;max-width:640px}
.rl-intro h2{color:#fff;font-size:30px;font-weight:700;margin-bottom:14px}
.rl-intro p{color:rgba(255,255,255,.9);font-size:16px;max-width:600px}
.rl-intro__row{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.rl-intro .rl-link{color:#fff;text-decoration-color:rgba(255,255,255,.6)}
.rl-intro .rl-link:hover{color:#fff;text-decoration-color:#fff}
.rl-intro__pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.18);color:#fff;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  backdrop-filter:blur(2px);
}

/* ============ 板块通用 ============ */
.rl-section{padding:76px 0}
.rl-section--tight{padding:56px 0}
.rl-section__head{max-width:720px;margin-bottom:36px}
.rl-section__head h2{font-size:32px;font-weight:700}
.rl-section__head p{margin-top:12px;color:var(--ink-500)}

/* ============ 错落卡片 ============ */
.rl-stagger{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:start;margin-top:8px}
.rl-card{
  background:var(--surface);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:28px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.rl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.rl-card--tall{padding:34px}
.rl-card--short{margin-top:56px;border-radius:var(--r-md)}
.rl-card__head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.rl-card__ico{
  width:44px;height:44px;border-radius:var(--r-xs);flex-shrink:0;
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;
  box-shadow:0 6px 16px rgba(109,74,255,.24);
}
.rl-card h3{font-size:21px;font-weight:600}
.rl-card__text{color:var(--ink-700);font-size:15.5px}
.rl-card__badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.rl-cover{margin-top:22px;border-radius:var(--r-sm);overflow:hidden;box-shadow:var(--sh-sm)}
.rl-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* 列表（渐变圆点） */
.rl-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.rl-list li{
  position:relative;padding-left:22px;
  font-size:15.5px;color:var(--ink-700);line-height:1.8;
}
.rl-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:9px;height:9px;border-radius:50%;
  background:var(--brand-grad);
}

/* ============ 信息条 ============ */
.rl-strip{
  margin-top:8px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.rl-strip__item{
  background:var(--surface);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-sm);
  border-left:3px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rl-strip__item:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-left-color:var(--accent-500)}
.rl-strip__item h3{font-size:18px;font-weight:600;margin-bottom:8px}
.rl-strip__item p{font-size:15px;color:var(--ink-500)}
.rl-strip__num{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--brand-600);
  letter-spacing:.08em;margin-bottom:10px;
}

/* ============ 三步流程 ============ */
.rl-steps{
  margin-top:36px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  position:relative;
}
.rl-step{
  position:relative;
  padding:0 22px;
  text-align:left;
}
.rl-step__num{
  width:46px;height:46px;border-radius:50%;
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;
  box-shadow:0 8px 20px rgba(109,74,255,.28);
  position:relative;z-index:1;
}
.rl-step::before{
  content:"";position:absolute;left:56px;right:-8px;top:23px;
  border-top:2px dashed var(--line);
}
.rl-step:last-child::before{display:none}
.rl-step h3{font-size:19px;font-weight:600;margin-top:18px}
.rl-step p{margin-top:8px;font-size:15px;color:var(--ink-500)}

/* ============ FAQ ============ */
.rl-faq{margin-top:8px}
.rl-faq .accordion-item{
  border:0;background:var(--surface);
  border-radius:var(--r-md)!important;overflow:hidden;
  box-shadow:var(--sh-sm);margin-bottom:12px;
}
.rl-faq .accordion-button{
  background:var(--surface);
  color:var(--ink-900);
  font-size:17px;font-weight:600;
  padding:20px 56px 20px 24px;
  border-radius:var(--r-md)!important;
  box-shadow:none!important;
  position:relative;
}
.rl-faq .accordion-button::after{display:none}
.rl-faq .accordion-button .rl-plus{
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;
  background:var(--bg);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;line-height:1;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.rl-faq .accordion-button:not(.collapsed){
  color:var(--brand-600);
  background:var(--bg);
}
.rl-faq .accordion-button:not(.collapsed) .rl-plus{
  background:var(--brand-grad);color:#fff;transform:translateY(-50%) rotate(180deg);
}
.rl-faq .accordion-item::before{content:"";display:block;height:0}
.rl-faq .accordion-item:has(.accordion-button:not(.collapsed)){
  box-shadow:inset 4px 0 0 0 var(--brand-600),var(--sh-sm);
}
.rl-faq .accordion-body{
  padding:0 24px 22px;
  font-size:15.5px;color:var(--ink-700);
  background:var(--bg);
}
.rl-faq .accordion-button:not(.collapsed)+.accordion-collapse .accordion-body{background:var(--bg)}

/* ============ CTA 带 ============ */
.rl-cta{
  margin:0 0 0;
  padding:56px 40px;
  border-radius:var(--r-lg);
  background:var(--surface);
  box-shadow:var(--sh-sm);
  text-align:center;
}
.rl-cta h2{font-size:28px;font-weight:700}
.rl-cta p{margin-top:12px;color:var(--ink-500);max-width:560px;margin-left:auto;margin-right:auto}
.rl-cta__actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:16px;justify-content:center}

/* ============ 页脚 ============ */
.rl-footer{
  position:relative;
  margin-top:88px;
  background:var(--dark);
  color:rgba(255,255,255,.72);
  font-size:14px;
}
.rl-footer__bar{height:4px;background:var(--brand-grad)}
.rl-footer .rl-container{padding-top:56px;padding-bottom:26px}
.rl-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.rl-footer__logo{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.rl-footer__logo .rl-logo__main{color:#fff}
.rl-footer__logo .rl-logo__sub{color:var(--brand-500)}
.rl-footer__logo .rl-logo__mark{box-shadow:none}
.rl-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px}
.rl-footer p{line-height:1.85;color:rgba(255,255,255,.66)}
.rl-footer__links li{margin-bottom:10px}
.rl-footer__links a,.rl-footer__links span{color:rgba(255,255,255,.72);font-size:14px}
.rl-footer__links a:hover{color:var(--accent-500);text-decoration:underline;text-underline-offset:4px}
.rl-footer__bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:14px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .rl-container{max-width:1140px}
}
@media (max-width:1199.98px){
  .rl-mega__panel{width:640px}
  .rl-nav__link{padding:10px 11px;font-size:14.5px}
}
@media (max-width:991.98px){
  .rl-pagehead{padding-top:26px}
  .rl-pagehead h1{font-size:34px}
  .rl-pagehead .lead{font-size:16px}
  .rl-intro{padding:34px 26px 32px}
  .rl-intro h2{font-size:25px}
  .rl-stagger{grid-template-columns:1fr}
  .rl-card--short{margin-top:0}
  .rl-strip{grid-template-columns:1fr}
  .rl-steps{grid-template-columns:1fr;gap:28px}
  .rl-step{padding:0}
  .rl-step::before{display:none}
  .rl-footer__grid{grid-template-columns:1fr 1fr}
  .rl-section{padding:56px 0}
  .rl-section__head h2{font-size:26px}
}
@media (max-width:767.98px){
  .rl-container{padding:0 18px}
  .rl-drawer__inner{padding:8px 18px 22px}
  .rl-pagehead h1{font-size:30px}
  .rl-intro h2{font-size:22px}
  .rl-section{padding:52px 0}
  .rl-section__head h2{font-size:24px}
  .rl-card{padding:22px}
  .rl-card--tall{padding:26px}
  .rl-cta{padding:40px 22px}
  .rl-cta h2{font-size:23px}
  .rl-cta__actions .rl-btn{width:100%}
  .rl-footer{margin-top:64px}
  .rl-footer__grid{grid-template-columns:1fr}
  .rl-faq .accordion-button{font-size:16px;padding:18px 52px 18px 20px}
}
@media (max-width:575.98px){
  .rl-pagehead h1{font-size:28px}
  .rl-header__inner{height:64px}
  .rl-logo__mark{width:36px;height:36px;font-size:17px}
  .rl-logo__main{font-size:16px}
}