/* roulang page: index */
:root{
  --ink:#1D1B19;--ink-soft:#4A443E;--muted:#7C7169;
  --brand:#FF6A2B;--brand-deep:#DD4F14;--brand-tint:#FFF1E8;
  --accent:#12B886;--accent-tint:#E7F8F1;
  --bg:#FDFBF7;--surface:#FFFFFF;--line:#EDE2D7;
  --radius-card:16px;--radius-btn:12px;--radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(29,27,25,.06);
  --shadow-md:0 10px 28px -18px rgba(29,27,25,.28);
  --shadow-lift:0 18px 40px -22px rgba(221,79,20,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;font-size:16px;line-height:1.9}
img{max-width:100%;display:block}
a{color:var(--brand-deep);text-decoration:none;text-underline-offset:3px;transition:color .2s ease,border-color .2s ease}
a:hover{text-decoration:underline}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:1.15em}
.rl-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.rl-section{padding:88px 0;border-top:1px solid var(--line)}
.rl-section--plain{border-top:0}
.rl-section--tint{background:var(--brand-tint)}
.rl-section--white{background:var(--surface)}
.rl-section--dark{background:#211E1B;color:#F6EFE8;border-top:0}
.rl-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--brand-deep);background:var(--brand-tint);border-radius:var(--radius-pill);padding:6px 14px;line-height:1.6}
.rl-section--dark .rl-eyebrow{background:rgba(255,106,43,.16);color:#FFB48B}
.rl-h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;margin-top:16px;letter-spacing:-.01em}
.rl-h3{font-size:20px;line-height:1.5;font-weight:600;margin-top:10px}
.rl-lead{margin-top:14px;color:var(--ink-soft);max-width:720px;font-size:16px}
.rl-section--dark .rl-lead{color:#C9BEB4}
.rl-mini{font-size:13px;line-height:1.7;color:var(--muted)}
.rl-section--dark .rl-mini{color:#A79C92}
.rl-num{font-variant-numeric:tabular-nums;font-weight:700}
/* buttons */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .12s ease;text-decoration:none;font-family:inherit}
.rl-btn:hover{text-decoration:none}
.rl-btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -14px rgba(221,79,20,.9)}
.rl-btn-primary:hover{background:var(--brand-deep);box-shadow:var(--shadow-lift);color:#fff}
.rl-btn-primary:active{transform:translateY(1px)}
.rl-btn-sub{background:#fff;color:var(--ink);border-color:var(--line)}
.rl-btn-sub:hover{border-color:var(--brand);color:var(--brand-deep);background:#fff}
.rl-btn-sub:active{transform:translateY(1px)}
.rl-btn-ghost{background:transparent;color:var(--brand-deep);padding:0 4px;min-height:auto}
.rl-btn-ghost i{transition:transform .2s ease}
.rl-btn-ghost:hover i{transform:translateX(4px)}
.rl-btn[disabled]{opacity:.6;cursor:not-allowed}
.rl-btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
/* badges */
.rl-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;line-height:1.6;padding:4px 12px;border-radius:var(--radius-pill);background:var(--brand-tint);color:var(--brand-deep)}
.rl-badge--ok{background:var(--accent-tint);color:#0E8F69}
.rl-badge--line{background:#fff;border:1px solid var(--line);color:var(--ink-soft)}
/* header */
.rl-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.rl-header.is-scrolled{box-shadow:var(--shadow-sm)}
.rl-nav{display:flex;align-items:center;gap:18px;min-height:72px}
.rl-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.rl-logo:hover{text-decoration:none;color:var(--brand-deep)}
.rl-logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);display:grid;place-items:center;color:#fff;font-size:15px;box-shadow:var(--shadow-sm);flex:0 0 auto}
.rl-nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.rl-nav-links a{position:relative;display:inline-block;padding:8px 12px;font-size:14.5px;color:var(--ink-soft);border-radius:10px;font-weight:500}
.rl-nav-links a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;border-radius:2px}
.rl-nav-links a:hover{color:var(--ink);text-decoration:none}
.rl-nav-links a:hover::after{transform:scaleX(1)}
.rl-nav-links a.is-active{color:var(--brand-deep);background:var(--brand-tint);font-weight:600}
.rl-nav-links a.is-active::after{transform:scaleX(0)}
.rl-nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.rl-search{display:flex;align-items:center;gap:8px;background:#FAF5EF;border:1px solid var(--line);border-radius:10px;padding:0 10px;height:40px;min-width:210px;color:var(--muted);font-size:13.5px;transition:border-color .2s ease,box-shadow .2s ease}
.rl-search:hover{border-color:#E2D3C4}
.rl-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.14)}
.rl-search input{border:0;background:transparent;outline:none;font:inherit;color:var(--ink);width:100%;height:100%}
.rl-kbd{flex:0 0 auto;font-size:11px;border:1px solid var(--line);border-radius:6px;padding:1px 5px;background:#fff;color:var(--muted);line-height:1.5}
.rl-nav-login{font-size:14.5px;color:var(--ink-soft);padding:6px 8px;border-radius:8px}
.rl-nav-login:hover{color:var(--brand-deep);text-decoration:none}
.rl-menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer}
/* hero */
.rl-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFF8F2 0%,#FDFBF7 68%);padding:64px 0 72px}
.rl-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/8fb246c0770cb8b6.webp');background-size:cover;background-position:center;opacity:.14;pointer-events:none}
.rl-hero-inner{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.rl-hero h1{font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.02em;margin-top:18px}
.rl-hero-copy{margin-top:18px;color:var(--ink-soft);max-width:640px}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.rl-hero-marks{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.rl-phone{position:relative;width:100%;max-width:296px;margin:0 auto;aspect-ratio:9/16;background:#1D1B19;border-radius:30px;padding:9px;box-shadow:0 30px 60px -34px rgba(29,27,25,.55)}
.rl-phone-screen{position:relative;width:100%;height:100%;border-radius:22px;overflow:hidden;background:var(--brand-tint)}
.rl-phone-screen img{width:100%;height:100%;object-fit:cover}
.rl-phone-tag{position:absolute;left:14px;top:14px;z-index:2;background:rgba(255,255,255,.94);border-radius:var(--radius-pill);padding:4px 12px;font-size:12px;font-weight:600;color:var(--brand-deep);display:flex;align-items:center;gap:6px}
.rl-float{position:absolute;right:-14px;bottom:40px;z-index:3;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-md);padding:10px 14px;min-width:150px}
.rl-float .rl-float-k{font-size:12px;color:var(--muted);line-height:1.6}
.rl-float .rl-float-v{font-size:17px;font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.5}
.rl-float + .rl-float{right:auto;left:-18px;bottom:auto;top:56px}
/* steps */
.rl-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rl-step{display:flex;gap:16px;align-items:flex-start}
.rl-step-no{font-size:32px;font-weight:700;line-height:1;color:var(--brand);font-variant-numeric:tabular-nums;flex:0 0 auto}
.rl-step p{margin-top:6px;font-size:14.5px;color:var(--ink-soft);line-height:1.8}
/* cards */
.rl-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.rl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(255,106,43,.32)}
.rl-card-pad{padding:26px}
.rl-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.rl-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rl-feature-split{display:grid;grid-template-columns:1.25fr .95fr;gap:22px;margin-top:34px}
.rl-feature-col{display:grid;gap:22px;align-content:start}
.rl-points{list-style:none;padding:0;margin-top:16px;display:grid;gap:10px}
.rl-points li{position:relative;padding-left:22px;font-size:14.5px;color:var(--ink-soft);line-height:1.8}
.rl-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px;background:var(--brand)}
.rl-figure{border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--brand-tint)}
.rl-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.rl-figure--wide img{aspect-ratio:16/10}
/* download */
.rl-dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.rl-dl{display:flex;flex-direction:column;gap:10px;padding:26px}
.rl-dl-ico{width:44px;height:44px;border-radius:12px;background:var(--brand-tint);color:var(--brand-deep);display:grid;place-items:center;font-size:19px}
.rl-dl-file{font-size:12.5px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.rl-dl .rl-btn{margin-top:6px}
/* distance scale */
.rl-scale{margin-top:26px}
.rl-scale-bar{position:relative;height:10px;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--accent) 0%,#9AD9A6 34%,var(--brand) 100%)}
.rl-scale-ticks{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.rl-tick{font-size:13px;color:var(--ink-soft);line-height:1.7}
.rl-tick b{display:block;font-size:15px;color:var(--ink);font-variant-numeric:tabular-nums}
.rl-rows{display:grid;gap:14px;margin-top:22px}
.rl-row{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.rl-row:hover{border-color:rgba(255,106,43,.34);box-shadow:var(--shadow-sm)}
.rl-row-ico{flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:var(--brand-tint);color:var(--brand-deep);display:grid;place-items:center;font-size:14px}
.rl-row h4{font-size:15.5px;font-weight:600;line-height:1.6}
.rl-row p{font-size:14px;color:var(--ink-soft);line-height:1.8;margin-top:2px}
/* client */
.rl-client{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center;margin-top:34px}
.rl-client-lines{display:grid;gap:0;margin-top:8px}
.rl-client-line{padding:20px 0;border-bottom:1px dashed var(--line);display:flex;gap:16px}
.rl-client-line:last-child{border-bottom:0}
.rl-client-line span.rl-cno{font-size:13px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;padding-top:4px}
/* scenes */
.rl-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(258px,1fr);gap:20px;overflow-x:auto;padding:34px 4px 12px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.rl-scroll::-webkit-scrollbar{height:6px}
.rl-scroll::-webkit-scrollbar-thumb{background:#E4D6C8;border-radius:8px}
.rl-scene{scroll-snap-align:start}
.rl-scene h4{font-size:16.5px;font-weight:600;margin-top:14px}
.rl-scene p{font-size:13.8px;color:var(--ink-soft);line-height:1.8;margin-top:6px}
/* dark demo */
.rl-stage{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.rl-shot{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:14px}
.rl-shot-screen{aspect-ratio:9/19;border-radius:12px;background:linear-gradient(170deg,rgba(255,106,43,.28),rgba(255,255,255,.08));border:1px solid rgba(255,255,255,.14);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;text-align:center;padding:14px;color:#FFD9C4;font-size:13px;line-height:1.7}
.rl-shot-screen i{font-size:20px;color:#FFB48B}
.rl-shot p{font-size:13px;color:#C9BEB4;margin-top:10px;line-height:1.7}
/* roadmap */
.rl-road{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.rl-road-col{padding:26px;border-radius:var(--radius-card);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.rl-road-col h3{font-size:17px;font-weight:600;display:flex;align-items:center;gap:10px}
.rl-dot{width:9px;height:9px;border-radius:50%;display:inline-block}
.rl-dot--ok{background:var(--accent)}
.rl-dot--mid{background:var(--brand)}
.rl-dot--plan{background:#B9AA9D}
/* guide */
.rl-guide{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-top:34px}
.rl-check{list-style:none;padding:0;display:grid;gap:14px;margin-top:20px}
.rl-check li{display:flex;gap:12px;font-size:14.8px;color:var(--ink-soft);line-height:1.8}
.rl-check i{color:var(--accent);margin-top:6px;flex:0 0 auto}
/* channel */
.rl-channel{margin-top:34px;display:grid;grid-template-columns:1.6fr 1fr;gap:22px;align-items:center;padding:30px;border-radius:var(--radius-card);border:1px solid rgba(255,106,43,.28);background:linear-gradient(120deg,#fff 0%,var(--brand-tint) 100%)}
/* form */
.rl-form{display:grid;gap:14px}
.rl-field{display:grid;gap:6px}
.rl-field label{font-size:13.5px;font-weight:600;color:var(--ink-soft)}
.rl-field input,.rl-field select{height:44px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font:inherit;font-size:14.5px;color:var(--ink);background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.rl-field input:focus,.rl-field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.15)}
.rl-form-note{font-size:12.8px;color:var(--brand-deep);background:var(--brand-tint);border-radius:10px;padding:10px 12px;line-height:1.7;display:none}
.rl-form-note.is-on{display:block}
/* plans */
.rl-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px;align-items:stretch}
.rl-plan{padding:28px;display:flex;flex-direction:column;gap:12px;position:relative}
.rl-plan--hot{border-color:rgba(255,106,43,.5);box-shadow:0 18px 40px -30px rgba(221,79,20,.7)}
.rl-plan-flag{position:absolute;top:-12px;left:26px}
.rl-plan h3{font-size:19px;font-weight:700}
.rl-plan .rl-plan-for{font-size:13.5px;color:var(--muted)}
.rl-plan ul{list-style:none;padding:0;margin:4px 0 0;display:grid;gap:9px}
.rl-plan ul li{font-size:14px;color:var(--ink-soft);line-height:1.75;padding-left:18px;position:relative}
.rl-plan ul li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.rl-plan .rl-btn{margin-top:auto}
/* news */
.rl-news{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.rl-news-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.rl-news-cover{aspect-ratio:16/9;border-radius:12px;background:var(--brand-tint);border:1px solid var(--line);display:grid;place-items:center;color:var(--brand-deep);font-size:13px;margin:14px 14px 0}
.rl-news-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rl-news-body h3{font-size:16.5px;font-weight:600;line-height:1.6}
.rl-news-body h3 a{color:var(--ink)}
.rl-news-body h3 a:hover{color:var(--brand-deep);text-decoration:none}
.rl-news-body p{font-size:13.8px;color:var(--ink-soft);line-height:1.8}
.rl-news-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:12.5px;color:var(--muted)}
/* faq */
.rl-faq{max-width:900px;margin:34px auto 0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:transparent;border:0;font:inherit;font-size:16px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;line-height:1.6}
.faq-q:hover{color:var(--brand-deep)}
.faq-q i{flex:0 0 auto;font-size:13px;color:var(--brand);transition:transform .25s ease}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 20px;font-size:14.5px;color:var(--ink-soft);line-height:1.9}
/* cta */
.rl-cta{display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;padding:44px;border-radius:20px;background:var(--brand-tint);border:1px solid rgba(255,106,43,.28)}
.rl-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.rl-scan-box{display:grid;place-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow-sm)}
.rl-scan-glyph{width:96px;height:96px;border-radius:16px;border:2px dashed rgba(255,106,43,.55);display:grid;place-items:center;color:var(--brand);font-size:34px;background:var(--brand-tint)}
/* footer */
.rl-footer{background:#FBF6F0;border-top:1px solid var(--line);padding:60px 0 0}
.rl-footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:34px}
.rl-footer h4{font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.rl-footer ul{list-style:none;padding:0;margin-top:14px;display:grid;gap:9px}
.rl-footer a{color:var(--ink-soft);font-size:14px}
.rl-footer a:hover{color:var(--brand-deep);text-decoration:none}
.rl-footer-bottom{margin-top:44px;padding:20px 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--muted)}
/* mobile bar */
.rl-mobilebar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(255,255,255,.96);border-top:1px solid var(--line);box-shadow:0 -8px 24px -18px rgba(29,27,25,.5);padding:10px 16px;gap:10px;align-items:center;justify-content:space-between;backdrop-filter:blur(8px)}
.rl-mobilebar .rl-btn{flex:1}
.rl-drawer{position:fixed;inset:0;z-index:90;display:none;background:rgba(29,27,25,.45)}
.rl-drawer.is-open{display:block}
.rl-drawer-panel{position:absolute;right:0;top:0;bottom:0;width:min(340px,88vw);background:#fff;padding:20px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;box-shadow:-20px 0 50px -30px rgba(0,0,0,.5)}
.rl-drawer-panel a.rl-dlink{display:flex;align-items:center;justify-content:space-between;padding:13px 12px;border-radius:10px;color:var(--ink);font-size:15px;border:1px solid var(--line)}
.rl-drawer-panel a.rl-dlink:hover{background:var(--brand-tint);color:var(--brand-deep);text-decoration:none;border-color:rgba(255,106,43,.35)}
.rl-drawer-close{margin-left:auto;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer}
@media (max-width:1024px){
  .rl-hero-inner{grid-template-columns:1fr;gap:40px}
  .rl-float{right:2px;bottom:20px}
  .rl-float + .rl-float{left:2px;top:24px}
  .rl-nav-links{display:none}
  .rl-search{min-width:150px}
  .rl-feature-split{grid-template-columns:1fr}
  .rl-grid-3,.rl-dl-grid,.rl-road,.rl-news,.rl-plans,.rl-stage{grid-template-columns:repeat(2,1fr)}
  .rl-client,.rl-guide,.rl-channel,.rl-cta{grid-template-columns:1fr;gap:28px}
  .rl-footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .rl-section{padding:58px 0}
  .rl-hero{padding:44px 0 56px}
  .rl-nav{min-height:64px;gap:10px}
  .rl-menu-btn{display:inline-flex}
  .rl-search{display:none}
  .rl-nav-login{display:none}
  .rl-steps{grid-template-columns:1fr;gap:18px}
  .rl-grid-2,.rl-grid-3,.rl-dl-grid,.rl-road,.rl-news,.rl-plans,.rl-stage,.rl-footer-grid{grid-template-columns:1fr}
  .rl-cta{padding:28px}
  .rl-mobilebar{display:flex}
  body{padding-bottom:76px}
  .rl-scroll{grid-auto-columns:minmax(230px,80vw)}
}
@media (max-width:520px){
  .rl-container{padding:0 16px}
  .rl-hero h1{font-size:27px}
  .rl-card-pad,.rl-dl,.rl-plan{padding:20px}
  .rl-faq .faq-q{padding:16px 18px;font-size:15px}
  .rl-faq .faq-a p{padding:0 18px 18px}
  .rl-logo{font-size:15.5px}
}

/* roulang page: article */
:root{
  --ink:#1D1B19;--ink-soft:#4A443E;--muted:#7C7169;
  --brand:#FF6A2B;--brand-deep:#DD4F14;--brand-tint:#FFF1E8;
  --accent:#12B886;--accent-tint:#E7F8F1;
  --bg:#FDFBF7;--surface:#FFFFFF;--line:#EDE2D7;
  --radius-card:16px;--radius-btn:12px;--radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(29,27,25,.06);
  --shadow-md:0 10px 28px -18px rgba(29,27,25,.28);
  --shadow-lift:0 18px 40px -22px rgba(221,79,20,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;font-size:16px;line-height:1.9}
img{max-width:100%;display:block}
a{color:var(--brand-deep);text-decoration:none;text-underline-offset:3px;transition:color .2s ease,border-color .2s ease}
a:hover{text-decoration:underline}
button,input,select{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
.rl-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.rl-section{padding:88px 0;border-top:1px solid var(--line)}
.rl-section--plain{border-top:0}
.rl-section--tint{background:var(--brand-tint)}
.rl-section--white{background:var(--surface)}
.rl-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-deep);background:var(--brand-tint);border-radius:var(--radius-pill);padding:6px 14px;line-height:1.6}
.rl-mini{font-size:13.5px;line-height:1.8;color:var(--muted)}
/* 按钮 */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .12s ease;text-decoration:none}
.rl-btn:hover{text-decoration:none}
.rl-btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -14px rgba(221,79,20,.9)}
.rl-btn-primary:hover{background:var(--brand-deep);box-shadow:var(--shadow-lift);color:#fff}
.rl-btn-primary:active{transform:translateY(1px)}
.rl-btn-sub{background:#fff;color:var(--ink);border-color:var(--line)}
.rl-btn-sub:hover{border-color:var(--brand);color:var(--brand-deep);background:#fff}
.rl-btn-sub:active{transform:translateY(1px)}
.rl-btn-ghost{background:transparent;color:var(--brand-deep);padding:0 4px;min-height:auto}
.rl-btn-ghost i{transition:transform .2s ease}
.rl-btn-ghost:hover i{transform:translateX(4px)}
.rl-btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
/* 徽章 */
.rl-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;line-height:1.6;padding:4px 12px;border-radius:var(--radius-pill);background:var(--brand-tint);color:var(--brand-deep)}
.rl-badge--ok{background:var(--accent-tint);color:#0E8F69}
.rl-badge--line{background:#fff;border:1px solid var(--line);color:var(--ink-soft)}
/* 头部 */
.rl-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.rl-header.is-scrolled{box-shadow:var(--shadow-sm)}
.rl-nav{position:relative;display:flex;align-items:center;gap:18px;min-height:72px}
.rl-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.rl-logo:hover{color:var(--brand-deep);text-decoration:none}
.rl-logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);display:grid;place-items:center;color:#fff;font-size:15px;flex:0 0 auto;box-shadow:var(--shadow-sm)}
.rl-nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.rl-nav-links a{position:relative;display:inline-block;padding:8px 12px;font-size:14.5px;color:var(--ink-soft);border-radius:10px;font-weight:500;white-space:nowrap}
.rl-nav-links a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;border-radius:2px}
.rl-nav-links a:hover{color:var(--ink);text-decoration:none}
.rl-nav-links a:hover::after{transform:scaleX(1)}
.rl-nav-links a.is-active{color:var(--brand-deep);background:var(--brand-tint);font-weight:600}
.rl-nav-links a.is-active::after{transform:scaleX(0)}
.rl-nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.rl-search{display:flex;align-items:center;gap:8px;background:#FAF5EF;border:1px solid var(--line);border-radius:10px;padding:0 10px;height:40px;min-width:210px;color:var(--muted);font-size:13.5px;transition:border-color .2s ease,box-shadow .2s ease}
.rl-search:hover{border-color:#E2D3C4}
.rl-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.14)}
.rl-search input{border:0;background:transparent;outline:none;font:inherit;color:var(--ink);width:100%;height:100%}
.rl-kbd{font-size:11px;border:1px solid var(--line);border-radius:6px;padding:1px 5px;background:#fff;color:var(--muted);white-space:nowrap}
.rl-nav-login{font-size:14.5px;color:var(--ink-soft);padding:6px 8px;border-radius:8px;white-space:nowrap}
.rl-nav-login:hover{color:var(--brand-deep);text-decoration:none}
.rl-menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer}
/* 面包屑与文章头 */
.rl-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:22px 0 0;line-height:1.7}
.rl-crumb a{color:var(--ink-soft)}
.rl-crumb a:hover{color:var(--brand-deep)}
.rl-crumb .sep{color:#CBB9A8}
.art-shell{max-width:820px}
.art-head{padding:20px 0 28px;border-bottom:1px solid var(--line)}
.art-head h1{font-size:clamp(26px,3.4vw,40px);line-height:1.35;font-weight:700;margin:14px 0 0;word-break:break-word}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:18px;font-size:13.5px;color:var(--muted)}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:#CDBDAE;display:inline-block}
.art-share{display:flex;align-items:center;gap:8px;margin-left:auto}
.art-share button{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-soft);cursor:pointer;display:grid;place-items:center;font-size:13px;transition:border-color .2s ease,color .2s ease,transform .2s ease}
.art-share button:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px)}
/* 要点卡 */
.art-points{background:var(--brand-tint);border:1px solid #FFDFCB;border-radius:var(--radius-card);padding:24px 26px;box-shadow:var(--shadow-sm)}
.art-points h2{font-size:17px;font-weight:700;color:var(--brand-deep);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.art-points ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.art-points li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.85;color:var(--ink-soft)}
.art-points li::before{content:"";position:absolute;left:0;top:10px;width:11px;height:11px;border-radius:4px;background:var(--brand);opacity:.85}
.art-points li b{color:var(--ink)}
/* 正文 */
.art-body{font-size:16px;line-height:1.9;color:var(--ink-soft);max-width:720px}
.art-body>*:first-child{margin-top:0}
.art-body h2{font-size:clamp(22px,2.4vw,29px);line-height:1.4;color:var(--ink);font-weight:700;margin:38px 0 14px}
.art-body h3{font-size:19px;line-height:1.5;color:var(--ink);font-weight:600;margin:28px 0 10px}
.art-body h4{font-size:16.5px;line-height:1.6;color:var(--ink);font-weight:600;margin:22px 0 8px}
.art-body p{margin:0 0 1em}
.art-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
.art-body a:hover{color:var(--brand)}
.art-body ul,.art-body ol{margin:0 0 18px;padding-left:22px}
.art-body li{margin-bottom:8px}
.art-body ul>li::marker{color:var(--brand)}
.art-body ol>li::marker{color:var(--brand-deep);font-weight:700}
.art-body blockquote{margin:22px 0;padding:14px 20px;border-left:3px solid var(--brand);background:var(--brand-tint);border-radius:0 12px 12px 0;color:var(--ink-soft)}
.art-body blockquote p:last-child{margin-bottom:0}
.art-body img{border-radius:12px;margin:18px auto;height:auto}
.art-body figure{margin:20px 0}
.art-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.art-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;display:block;overflow-x:auto}
.art-body th,.art-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;white-space:nowrap}
.art-body th{background:#FAF5EF;color:var(--ink)}
.art-body hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.art-body strong{color:var(--ink);font-weight:700}
.art-body code{background:#FAF5EF;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px}
.art-empty{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:36px;box-shadow:var(--shadow-sm)}
.art-empty h2{font-size:22px;color:var(--ink);margin-bottom:10px}
.art-empty p{color:var(--ink-soft);margin:0 0 20px;max-width:560px}
/* 三步 */
.rl-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rl-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.rl-step:hover{border-color:rgba(255,106,43,.45);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.rl-step .num{font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;color:var(--brand);line-height:1;letter-spacing:-.02em}
.rl-step h3{font-size:17px;font-weight:700;color:var(--ink);margin:12px 0 8px}
.rl-step p{font-size:14.5px;line-height:1.85;color:var(--ink-soft);margin:0}
/* 确认清单 */
.rl-check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.rl-check{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.rl-check:hover{border-color:rgba(255,106,43,.45);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.rl-check-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.rl-check-head i{width:32px;height:32px;border-radius:10px;background:var(--brand-tint);color:var(--brand-deep);display:grid;place-items:center;font-size:14px;flex:0 0 auto}
.rl-check h3{font-size:16.5px;font-weight:700;color:var(--ink)}
.rl-check p{font-size:14.5px;line-height:1.85;color:var(--ink-soft);margin:0}
/* 下载 */
.rl-dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rl-dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:8px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.rl-dl-card:hover{border-color:rgba(255,106,43,.45);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.rl-dl-card i{font-size:20px;color:var(--brand-deep)}
.rl-dl-card h3{font-size:16.5px;font-weight:700;color:var(--ink)}
.rl-dl-card p{font-size:14px;color:var(--muted);margin:0 0 6px;line-height:1.8}
.rl-dl-card .rl-btn{margin-top:auto}
/* 转化条 */
.rl-cta-band{background:var(--brand-tint);border:1px solid #FFDFCB;border-radius:20px;padding:38px 40px;display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:center}
.rl-cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.4;font-weight:700;color:var(--ink)}
.rl-cta-band p{margin:12px 0 0;color:var(--ink-soft);max-width:560px}
.rl-cta-actions{display:flex;flex-direction:column;gap:10px}
.rl-cta-actions .rl-btn{width:100%}
/* 页脚 */
.rl-footer{background:var(--bg);border-top:1px solid var(--line);padding:56px 0 28px;margin-top:0}
.rl-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.rl-footer h4{font-size:14.5px;font-weight:700;color:var(--ink);margin-bottom:12px}
.rl-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.rl-footer ul a{font-size:14px;color:var(--ink-soft)}
.rl-footer ul a:hover{color:var(--brand-deep)}
.rl-footer-bottom{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;margin-top:36px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
/* 移动端固定条 */
.rl-mobile-cta{display:none}
@media (max-width:1023px){
  .rl-nav-links{position:absolute;left:-20px;right:-20px;top:100%;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);padding:12px 20px 18px;margin:0;border-radius:0 0 16px 16px}
  .rl-nav-links.is-open{display:flex}
  .rl-nav-links a{padding:12px 10px;font-size:15px}
  .rl-nav-links a::after{display:none}
  .rl-search{display:none}
  .rl-menu-btn{display:inline-flex}
  .rl-cta-band{grid-template-columns:1fr;padding:30px 26px}
  .rl-footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .rl-section{padding:56px 0}
  .rl-container{padding:0 16px}
  .rl-nav{min-height:64px;gap:12px}
  .rl-nav-links{left:-16px;right:-16px}
  .rl-logo{font-size:15.5px}
  .rl-logo-mark{width:30px;height:30px;border-radius:9px;font-size:13px}
  .rl-nav-login{display:none}
  .rl-steps{grid-template-columns:1fr}
  .rl-check-grid{grid-template-columns:1fr}
  .rl-dl-grid{grid-template-columns:1fr}
  .rl-footer-grid{grid-template-columns:1fr;gap:24px}
  .art-head h1{font-size:26px}
  .art-share{margin-left:0;width:100%}
  .rl-cta-actions .rl-btn{width:100%}
  .rl-mobile-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;gap:10px;padding:10px 16px;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px -18px rgba(29,27,25,.55)}
  .rl-mobile-cta .rl-btn{flex:1;min-height:44px;font-size:14.5px;padding:0 12px}
  body{padding-bottom:74px}
}

/* roulang page: category1 */
:root{
  --ink:#1D1B19;--ink-soft:#4A443E;--muted:#7C7169;
  --brand:#FF6A2B;--brand-deep:#DD4F14;--brand-tint:#FFF1E8;
  --accent:#12B886;--accent-tint:#E7F8F1;
  --bg:#FDFBF7;--surface:#FFFFFF;--line:#EDE2D7;
  --radius-card:16px;--radius-btn:12px;--radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(29,27,25,.06);
  --shadow-md:0 10px 28px -18px rgba(29,27,25,.28);
  --shadow-lift:0 18px 40px -22px rgba(221,79,20,.35);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.rl-body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;font-size:16px;line-height:1.9}
img{max-width:100%;display:block;height:auto}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
a{color:var(--brand-deep);text-decoration:none;text-underline-offset:3px;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{text-decoration:underline}
button{font-family:inherit}
.rl-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.rl-section{padding:88px 0;border-top:1px solid var(--line)}
.rl-section--plain{border-top:0}
.rl-section--tint{background:var(--brand-tint)}
.rl-section--white{background:var(--surface)}
.rl-section-head{max-width:760px}
.rl-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--brand-deep);background:var(--brand-tint);border-radius:var(--radius-pill);padding:6px 14px;line-height:1.6}
.rl-section--tint .rl-eyebrow{background:#fff}
.rl-h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.01em;margin-top:14px}
.rl-h3{font-size:20px;line-height:1.5;font-weight:600}
.rl-lead{margin-top:14px;color:var(--ink-soft);max-width:720px;font-size:16px}
.rl-mini{font-size:13px;line-height:1.7;color:var(--muted)}
/* buttons */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .12s ease;text-decoration:none}
.rl-btn:hover{text-decoration:none}
.rl-btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -14px rgba(221,79,20,.9)}
.rl-btn-primary:hover{background:var(--brand-deep);box-shadow:var(--shadow-lift);color:#fff}
.rl-btn-primary:active{transform:translateY(1px)}
.rl-btn-sub{background:#fff;color:var(--ink);border-color:var(--line)}
.rl-btn-sub:hover{border-color:var(--brand);color:var(--brand-deep);background:#fff}
.rl-btn-sub:active{transform:translateY(1px)}
.rl-btn-ghost{background:transparent;color:var(--brand-deep);padding:0 4px;min-height:auto}
.rl-btn-ghost i{transition:transform .2s ease}
.rl-btn-ghost:hover i{transform:translateX(4px)}
.rl-btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
/* badges */
.rl-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;line-height:1.6;padding:4px 12px;border-radius:var(--radius-pill);background:var(--brand-tint);color:var(--brand-deep)}
.rl-badge--ok{background:var(--accent-tint);color:#0E8F69}
.rl-badge--line{background:#fff;border:1px solid var(--line);color:var(--ink-soft)}
/* header */
.rl-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.rl-header.is-scrolled{box-shadow:var(--shadow-sm)}
.rl-nav{display:flex;align-items:center;gap:18px;min-height:72px}
.rl-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.rl-logo:hover{text-decoration:none;color:var(--brand-deep)}
.rl-logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);display:grid;place-items:center;color:#fff;font-size:15px;box-shadow:var(--shadow-sm);flex:0 0 auto}
.rl-nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.rl-nav-links a{position:relative;display:inline-block;padding:8px 12px;font-size:14.5px;color:var(--ink-soft);border-radius:10px;font-weight:500;white-space:nowrap}
.rl-nav-links a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;border-radius:2px}
.rl-nav-links a:hover{color:var(--ink);text-decoration:none}
.rl-nav-links a:hover::after{transform:scaleX(1)}
.rl-nav-links a.is-active{color:var(--brand-deep);background:var(--brand-tint);font-weight:600}
.rl-nav-links a.is-active::after{transform:scaleX(0)}
.rl-nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.rl-search{display:flex;align-items:center;gap:8px;background:#FAF5EF;border:1px solid var(--line);border-radius:10px;padding:0 10px;height:40px;min-width:210px;color:var(--muted);font-size:13.5px;transition:border-color .2s ease,box-shadow .2s ease}
.rl-search:hover{border-color:#E2D3C4}
.rl-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.14)}
.rl-search input{border:0;background:transparent;outline:none;font:inherit;color:var(--ink);width:100%;height:100%}
.rl-kbd{font-size:11px;border:1px solid var(--line);background:#fff;border-radius:6px;padding:0 5px;color:var(--muted);line-height:1.6}
.rl-nav-login{font-size:14.5px;color:var(--ink-soft);padding:6px 8px;border-radius:8px}
.rl-nav-login:hover{color:var(--brand-deep);text-decoration:none}
.rl-menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer}
/* drawer */
.rl-drawer{position:fixed;inset:0;z-index:90;background:rgba(29,27,25,.42);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}
.rl-drawer.is-open{opacity:1;visibility:visible}
.rl-drawer-panel{position:absolute;right:0;top:0;height:100%;width:min(320px,86vw);background:#fff;padding:18px 20px 28px;display:flex;flex-direction:column;gap:16px;transform:translateX(100%);transition:transform .28s ease;overflow-y:auto}
.rl-drawer.is-open .rl-drawer-panel{transform:translateX(0)}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.rl-drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer}
.rl-drawer nav{display:flex;flex-direction:column;gap:4px}
.rl-drawer nav a{padding:12px 12px;border-radius:10px;color:var(--ink-soft);font-weight:500}
.rl-drawer nav a:hover{background:var(--brand-tint);color:var(--brand-deep);text-decoration:none}
.rl-drawer nav a.is-active{background:var(--brand-tint);color:var(--brand-deep);font-weight:600}
/* breadcrumb + category head */
.rl-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:22px 0 0}
.rl-crumb a{color:var(--ink-soft)}
.rl-crumb a:hover{color:var(--brand-deep)}
.rl-crumb i{font-size:10px;color:#BFB2A5}
.rl-cathead{position:relative;overflow:hidden;border-top:0;padding:0 0 64px;background:linear-gradient(180deg,#FFF8F2 0%,#FDFBF7 76%)}
.rl-cathead::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/a2cd7f199591fbe4.jpg');background-size:cover;background-position:center;opacity:.1;pointer-events:none}
.rl-cathead-inner{position:relative;display:grid;grid-template-columns:1.35fr .65fr;gap:44px;align-items:end;padding-top:22px}
.rl-cathead h1{font-size:clamp(28px,3.6vw,42px);line-height:1.28;font-weight:700;letter-spacing:-.02em;margin-top:16px;max-width:760px}
.rl-cathead p{color:var(--ink-soft);margin-top:16px;max-width:700px}
.rl-cat-marks{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.rl-stats{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:20px 22px;display:grid;gap:14px}
.rl-stats-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:12px}
.rl-stats-row:last-child{border-bottom:0;padding-bottom:0}
.rl-stats-num{font-size:26px;font-weight:700;line-height:1.2;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.rl-stats-row span{font-size:13.5px;color:var(--muted)}
/* filter bar */
.rl-filterbar{padding:0 0 26px}
.rl-filter-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:16px 18px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.rl-chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;flex:1 1 420px;scrollbar-width:thin}
.rl-chip{flex:0 0 auto;border:1px solid var(--line);background:#fff;color:var(--ink-soft);border-radius:var(--radius-pill);padding:7px 15px;font-size:13.5px;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;white-space:nowrap}
.rl-chip:hover{border-color:var(--brand);color:var(--brand-deep)}
.rl-chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 18px -14px rgba(221,79,20,.9)}
.rl-sort{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.rl-sort select{height:38px;border-radius:10px;border:1px solid var(--line);background:#FAF5EF;color:var(--ink);padding:0 10px;font:inherit;font-size:13.5px;cursor:pointer}
.rl-sort select:focus{border-color:var(--brand)}
/* scene cards */
.rl-cards-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:34px}
.rl-scard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.rl-scard:hover{border-color:rgba(255,106,43,.32);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.rl-scard-media{position:relative;aspect-ratio:16/9;background:var(--brand-tint);overflow:hidden}
.rl-scard-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rl-scard:hover .rl-scard-media img{transform:scale(1.04)}
.rl-scard-tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--brand-deep);font-size:12px;font-weight:600;border-radius:var(--radius-pill);padding:4px 12px;box-shadow:var(--shadow-sm)}
.rl-scard-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rl-scard-body h3{font-size:18px;line-height:1.5;font-weight:600}
.rl-scard-body p{font-size:14.5px;line-height:1.85;color:var(--ink-soft)}
.rl-scard-meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px 16px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}
.rl-scard-meta span{display:inline-flex;align-items:center;gap:6px}
.rl-scard-meta i{color:var(--brand);font-size:12px}
/* topics */
.rl-topics{display:grid;gap:16px;margin-top:32px}
.rl-topic{display:grid;grid-template-columns:130px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:16px 20px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.rl-topic:hover{border-color:rgba(255,106,43,.32);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.rl-topic-thumb{width:130px;height:82px;border-radius:12px;overflow:hidden;background:var(--brand-tint)}
.rl-topic-thumb img{width:100%;height:100%;object-fit:cover}
.rl-topic h3{font-size:17px;font-weight:600;line-height:1.5}
.rl-topic p{font-size:14px;color:var(--ink-soft);margin-top:4px}
.rl-topic .rl-badge{flex:0 0 auto}
/* guide */
.rl-guide{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-top:32px}
.rl-guide-figure{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);background:var(--brand-tint)}
.rl-guide-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.rl-checklist{display:grid;gap:14px;margin-top:22px}
.rl-checklist li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow-sm);font-size:14.5px;color:var(--ink-soft);line-height:1.85}
.rl-checklist li i{color:var(--accent);font-size:15px;margin-top:5px;flex:0 0 auto}
.rl-checklist li strong{color:var(--ink);font-weight:600}
/* scale */
.rl-scale-wrap{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:28px 26px 22px}
.rl-scale-line{position:relative;height:8px;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--brand) 0%,#FF9A66 45%,#FFD3BB 100%)}
.rl-scale-dots{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:-2px}
.rl-scale-dot{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px}
.rl-scale-dot::before{content:"";width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--brand);margin-top:-15px}
.rl-scale-dot b{font-size:15px;font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.rl-scale-dot span{font-size:13px;color:var(--muted);line-height:1.7;max-width:200px}
/* download */
.rl-dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:32px}
.rl-dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:22px;display:flex;flex-direction:column;gap:10px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.rl-dl-card:hover{border-color:rgba(255,106,43,.32);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.rl-dl-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-tint);color:var(--brand-deep);display:grid;place-items:center;font-size:18px}
.rl-dl-card h3{font-size:17px;font-weight:600}
.rl-dl-card p{font-size:14px;color:var(--ink-soft);line-height:1.8}
.rl-dl-card .rl-btn{margin-top:auto}
.rl-dl-note{display:flex;align-items:flex-start;gap:10px;margin-top:22px;background:var(--accent-tint);color:#0E8F69;border-radius:12px;padding:12px 16px;font-size:13.5px;line-height:1.8}
/* news */
.rl-news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:32px}
.rl-news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;overflow:hidden}
.rl-news-card:hover{border-color:rgba(255,106,43,.32);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.rl-news-link{display:flex;flex-direction:column;gap:10px;padding:20px;height:100%;color:var(--ink)}
.rl-news-link:hover{text-decoration:none}
.rl-news-link:hover h3{color:var(--brand-deep)}
.rl-news-card h3{font-size:16.5px;line-height:1.6;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.rl-news-card p{font-size:14px;line-height:1.8;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:12px}
.rl-empty{background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);padding:26px;text-align:center;color:var(--muted);font-size:14px;margin-top:28px}
/* faq */
.rl-faq{display:grid;gap:12px;margin-top:32px;max-width:860px}
.rl-faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease}
.rl-faq-item.is-open{border-color:rgba(255,106,43,.4)}
.rl-faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:transparent;border:0;padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer}
.rl-faq-q i{color:var(--brand);transition:transform .25s ease;flex:0 0 auto}
.rl-faq-item.is-open .rl-faq-q i{transform:rotate(180deg)}
.rl-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.rl-faq-a p{padding:0 20px 18px;color:var(--ink-soft);font-size:14.5px;line-height:1.9}
/* cta */
.rl-cta{background:var(--brand-tint);border-top:1px solid var(--line);padding:64px 0}
.rl-cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.rl-cta h2{font-size:clamp(23px,2.6vw,30px);line-height:1.4;font-weight:700}
.rl-cta p{color:var(--ink-soft);margin-top:12px;max-width:620px}
.rl-cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.rl-cta-foot{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;font-size:13.5px;color:var(--muted)}
/* footer */
.rl-footer{background:#FBF6F0;border-top:1px solid var(--line);padding:56px 0 26px}
.rl-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.rl-footer h4{font-size:14.5px;font-weight:700;color:var(--ink);margin-bottom:12px}
.rl-footer ul{display:grid;gap:8px}
.rl-footer ul a{font-size:14px;color:var(--ink-soft)}
.rl-footer ul a:hover{color:var(--brand-deep)}
.rl-footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;font-size:13px;color:var(--muted)}
@media (max-width:1024px){
  .rl-nav-links{display:none}
  .rl-search{min-width:170px}
  .rl-cathead-inner{grid-template-columns:1fr;gap:28px;align-items:start}
  .rl-cards-grid{grid-template-columns:1fr}
  .rl-guide{grid-template-columns:1fr;gap:28px}
  .rl-dl-grid{grid-template-columns:1fr}
  .rl-news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .rl-cta-inner{grid-template-columns:1fr}
  .rl-cta-actions{justify-content:flex-start}
}
@media (max-width:768px){
  .rl-section{padding:56px 0}
  .rl-cathead{padding-bottom:48px}
  .rl-search{display:none}
  .rl-nav-login{display:none}
  .rl-menu-btn{display:inline-flex}
  .rl-nav{min-height:64px;gap:12px}
  .rl-topic{grid-template-columns:88px 1fr;gap:14px}
  .rl-topic-thumb{width:88px;height:66px}
  .rl-topic .rl-badge{display:none}
  .rl-scale-dots{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .rl-news-grid{grid-template-columns:1fr}
  .rl-footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .rl-container{padding:0 16px}
  .rl-h2{font-size:22px}
  .rl-cathead h1{font-size:26px}
  .rl-scard-body{padding:16px}
  .rl-filter-card{padding:14px}
  .rl-btn{width:100%}
  .rl-cta-actions .rl-btn{width:100%}
  .rl-footer-bottom{flex-direction:column}
}