/* roulang page: index */
:root{
  --rl-ink:#0d1b18;
  --rl-ink-2:#16302a;
  --rl-green:#0f6b52;
  --rl-green-deep:#0a3d2f;
  --rl-green-soft:#e7f1ed;
  --rl-amber:#d9a13b;
  --rl-amber-deep:#b8832a;
  --rl-amber-soft:#f6e9cf;
  --rl-bg:#f7f6f2;
  --rl-card:#ffffff;
  --rl-line:#e3e1d9;
  --rl-text:#1c2422;
  --rl-muted:#5f6b67;
  --rl-radius:16px;
  --rl-radius-sm:10px;
  --rl-shadow:0 10px 30px rgba(13,27,24,.08);
  --rl-shadow-hover:0 18px 40px rgba(13,27,24,.14);
  --rl-gap:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--rl-text);
  background:var(--rl-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.35;color:var(--rl-ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--rl-amber);outline-offset:3px;}

.rl-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.rl-section{padding:64px 0;}
.rl-section--alt{background:var(--rl-card);}
.rl-section--soft{background:#f1f0ea;}

/* header */
.rl-header{position:sticky;top:0;z-index:60;background:rgba(247,246,242,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--rl-line);}
.rl-header-inner{display:flex;align-items:center;gap:24px;min-height:74px;padding:10px 0;}
.rl-logo{display:flex;flex-direction:column;line-height:1.25;flex:0 0 auto;}
.rl-logo-main{font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--rl-ink);}
.rl-logo-sub{font-size:11px;letter-spacing:1.2px;color:var(--rl-muted);margin-top:2px;}
.rl-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;}
.rl-nav::-webkit-scrollbar{display:none;}
.rl-nav a{padding:9px 16px;border-radius:999px;font-size:15px;color:var(--rl-ink-2);white-space:nowrap;}
.rl-nav a:hover{background:rgba(15,107,82,.09);color:var(--rl-green);}
.rl-nav a.is-active{background:var(--rl-ink);color:#fff;}
.rl-lang{display:flex;align-items:center;gap:2px;padding:4px;border:1px solid var(--rl-line);border-radius:999px;background:#fff;flex:0 0 auto;}
.rl-lang span{padding:3px 12px;border-radius:999px;font-size:12px;letter-spacing:.5px;color:var(--rl-muted);}
.rl-lang span.is-on{background:var(--rl-green);color:#fff;}

/* hero */
.rl-hero{position:relative;padding:66px 0 72px;color:#e8efec;overflow:hidden;background-color:var(--rl-ink);background-image:radial-gradient(circle at 18% 0%,rgba(15,107,82,.62),transparent 58%),radial-gradient(circle at 88% 18%,rgba(217,161,59,.18),transparent 52%);}
.rl-hero-inner{max-width:900px;margin:0 auto;text-align:center;}
.rl-hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.22);font-size:12.5px;letter-spacing:1px;color:#d6e2dd;}
.rl-hero-eyebrow i{color:var(--rl-amber);}
.rl-hero-title{margin-top:22px;font-size:clamp(26px,3.6vw,42px);color:#fff;letter-spacing:.5px;}
.rl-hero-lead{margin:20px auto 0;max-width:780px;font-size:15.5px;line-height:1.9;color:#c3d2cc;text-align:left;}
.rl-search{display:flex;align-items:center;gap:8px;max-width:640px;margin:30px auto 0;padding:8px;background:#fff;border-radius:999px;box-shadow:0 14px 34px rgba(0,0,0,.22);}
.rl-search input[type="search"]{flex:1 1 auto;min-width:0;height:44px;margin:0;padding:0 18px;border:0;box-shadow:none;background:transparent;font-size:15px;color:var(--rl-text);}
.rl-search input[type="search"]:focus{box-shadow:none;outline:none;}
.rl-search input[type="search"]::placeholder{color:#9aa6a1;}
.rl-search button{flex:0 0 auto;margin:0;padding:0 26px;height:44px;border:0;border-radius:999px;background:var(--rl-green);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background-color .22s ease,transform .22s ease;}
.rl-search button:hover{background:var(--rl-green-deep);transform:translateY(-1px);}
.rl-quick{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px;}
.rl-quick a{padding:7px 16px;border:1px solid rgba(255,255,255,.24);border-radius:999px;font-size:13px;color:#dbe6e2;}
.rl-quick a:hover{border-color:var(--rl-amber);color:var(--rl-amber);background:rgba(217,161,59,.08);}
.rl-hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:780px;margin:42px auto 0;}
.rl-hero-stat{padding:18px 16px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);min-width:0;}
.rl-hero-stat b{display:block;font-size:26px;color:var(--rl-amber);line-height:1.2;}
.rl-hero-stat span{display:block;margin-top:6px;font-size:13px;color:#b9c9c3;}

/* generic section head */
.rl-section-head{max-width:760px;margin-bottom:34px;}
.rl-kicker{display:inline-block;font-size:12.5px;letter-spacing:2px;color:var(--rl-green);font-weight:700;}
.rl-section-title{margin-top:10px;font-size:clamp(21px,2.5vw,29px);}
.rl-section-sub{margin-top:14px;font-size:15px;line-height:1.85;color:var(--rl-muted);}

/* grid */
.rl-grid{display:grid;gap:var(--rl-gap);}
.rl-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.rl-grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.rl-grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}

/* buttons */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;transition:background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;text-align:center;}
.rl-btn--primary{background:var(--rl-green);color:#fff;}
.rl-btn--primary:hover{background:var(--rl-green-deep);box-shadow:0 10px 24px rgba(15,107,82,.28);transform:translateY(-1px);}
.rl-btn--ghost{background:#fff;border-color:var(--rl-line);color:var(--rl-ink);}
.rl-btn--ghost:hover{border-color:var(--rl-green);color:var(--rl-green);box-shadow:var(--rl-shadow);}

/* download */
.rl-download{padding:60px 0;background:linear-gradient(150deg,#0f6b52 0%,#0a3d2f 100%);color:#dfe9e4;}
.rl-download .rl-kicker{color:var(--rl-amber);}
.rl-download .rl-section-title{color:#fff;}
.rl-download .rl-section-sub{color:#bcd0c8;}
.rl-dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:8px;}
.rl-dl-btn{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;min-width:0;transition:background-color .22s ease,border-color .22s ease,transform .22s ease;}
.rl-dl-btn:hover{background:rgba(255,255,255,.16);border-color:var(--rl-amber);transform:translateY(-2px);color:#fff;}
.rl-dl-btn i{font-size:22px;color:var(--rl-amber);flex:0 0 auto;}
.rl-dl-btn b{display:block;font-size:15.5px;font-weight:700;}
.rl-dl-btn small{display:block;font-size:12px;color:#b9cdc5;margin-top:2px;}
.rl-dl-note{margin-top:20px;font-size:13px;color:#a9c1b8;}

/* calendar */
.rl-calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:12px;}
.rl-cal-day{background:#fff;border:1px solid var(--rl-line);border-radius:14px;padding:16px 14px;min-width:0;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.rl-cal-day:hover{border-color:var(--rl-green);box-shadow:var(--rl-shadow);transform:translateY(-2px);}
.rl-cal-day em{display:inline-block;font-style:normal;font-size:12px;font-weight:700;letter-spacing:1px;color:var(--rl-green);}
.rl-cal-day h3{font-size:14.5px;margin-top:8px;line-height:1.5;}
.rl-cal-day p{margin-top:6px;font-size:12.5px;color:var(--rl-muted);line-height:1.65;}

/* topic cards */
.rl-card{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-radius);padding:24px;min-width:0;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.rl-card:hover{border-color:rgba(15,107,82,.4);box-shadow:var(--rl-shadow-hover);transform:translateY(-3px);}
.rl-card-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--rl-green-soft);color:var(--rl-green);font-size:18px;}
.rl-card h3{margin-top:16px;font-size:17px;}
.rl-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--rl-muted);}
.rl-tag{display:inline-block;padding:3px 10px;border-radius:999px;background:var(--rl-amber-soft);color:#7a5615;font-size:12px;font-weight:600;}

/* channel */
.rl-channel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:22px;align-items:center;background:#fff;border:1px solid var(--rl-line);border-radius:20px;padding:30px;box-shadow:var(--rl-shadow);}
.rl-channel h2{font-size:clamp(20px,2.2vw,26px);}
.rl-channel p{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--rl-muted);}
.rl-channel-link{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;border-radius:16px;background:var(--rl-green-soft);border:1px solid rgba(15,107,82,.18);transition:background-color .22s ease,transform .22s ease;}
.rl-channel-link:hover{background:#dcece6;transform:translateY(-2px);}
.rl-channel-link b{display:block;font-size:16px;color:var(--rl-green-deep);}
.rl-channel-link span{display:block;margin-top:4px;font-size:13px;color:var(--rl-muted);}
.rl-channel-link i{color:var(--rl-green);font-size:18px;}

/* basics */
.rl-basic{border-left:3px solid var(--rl-green);padding-left:20px;}
.rl-basic h3{font-size:17px;}
.rl-basic p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--rl-muted);}

/* steps */
.rl-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(205px,1fr));gap:18px;}
.rl-step{background:#fff;border:1px solid var(--rl-line);border-radius:16px;padding:22px;min-width:0;}
.rl-step i{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--rl-ink);color:var(--rl-amber);font-size:14px;font-style:normal;font-weight:700;}
.rl-step h3{margin-top:14px;font-size:16px;}
.rl-step p{margin-top:8px;font-size:13.5px;line-height:1.8;color:var(--rl-muted);}

/* insight */
.rl-insight{background:#fff;border:1px solid var(--rl-line);border-radius:16px;padding:24px;min-width:0;transition:box-shadow .22s ease,transform .22s ease;}
.rl-insight:hover{box-shadow:var(--rl-shadow);transform:translateY(-2px);}
.rl-insight h3{font-size:16.5px;}
.rl-insight p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--rl-muted);}

/* news */
.rl-news-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:28px;align-items:start;}
.rl-news-item{display:block;background:#fff;border:1px solid var(--rl-line);border-radius:16px;padding:22px;margin-bottom:14px;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.rl-news-item:hover{border-color:rgba(15,107,82,.42);box-shadow:var(--rl-shadow);transform:translateY(-2px);}
.rl-news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.rl-news-meta .rl-time{font-size:12.5px;color:var(--rl-muted);}
.rl-news-title{margin-top:10px;font-size:17px;line-height:1.5;}
.rl-news-text{margin-top:8px;font-size:14px;line-height:1.8;color:var(--rl-muted);}
.rl-side{background:#fff;border:1px solid var(--rl-line);border-radius:16px;padding:24px;}
.rl-side-title{font-size:16px;padding-bottom:14px;border-bottom:1px solid var(--rl-line);}
.rl-side-list{margin-top:6px;}
.rl-side-list li{padding:12px 0;border-bottom:1px dashed var(--rl-line);}
.rl-side-list li:last-child{border-bottom:0;padding-bottom:0;}
.rl-side-list a{font-size:14px;line-height:1.7;color:var(--rl-ink-2);display:block;}
.rl-side-list a:hover{color:var(--rl-green);}
.rl-empty{padding:22px;border:1px dashed var(--rl-line);border-radius:14px;background:#fbfbf8;font-size:14px;color:var(--rl-muted);}
.rl-news-more{margin-top:26px;}

/* picks */
.rl-pick{background:#fff;border:1px solid var(--rl-line);border-radius:16px;padding:22px;min-width:0;}
.rl-pick h3{font-size:15.5px;margin-top:14px;}
.rl-pick p{margin-top:8px;font-size:13.5px;line-height:1.8;color:var(--rl-muted);}

/* metrics */
.rl-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.rl-metric{background:#fff;border:1px solid var(--rl-line);border-radius:14px;padding:20px 22px;min-width:0;border-left:4px solid var(--rl-amber);}
.rl-metric h3{font-size:16px;}
.rl-metric p{margin-top:8px;font-size:13.8px;line-height:1.8;color:var(--rl-muted);}

/* ports */
.rl-ports{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.rl-port{display:flex;flex-direction:column;align-items:center;gap:10px;padding:24px 14px;border-radius:16px;background:#fff;border:1px solid var(--rl-line);text-align:center;min-width:0;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
.rl-port:hover{border-color:var(--rl-green);transform:translateY(-3px);box-shadow:var(--rl-shadow);}
.rl-port i{font-size:22px;color:var(--rl-green);}
.rl-port b{font-size:14.5px;font-weight:700;color:var(--rl-ink);}
.rl-port span{font-size:12.5px;color:var(--rl-muted);}

/* trust */
.rl-trust{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.rl-trust-item{display:flex;gap:14px;background:#fff;border:1px solid var(--rl-line);border-radius:14px;padding:20px;min-width:0;}
.rl-trust-item i{font-size:18px;color:var(--rl-green);flex:0 0 auto;margin-top:3px;}
.rl-trust-item b{display:block;font-size:15.5px;}
.rl-trust-item p{margin-top:6px;font-size:13.5px;line-height:1.75;color:var(--rl-muted);}

/* risk */
.rl-risk{background:var(--rl-ink);color:#cbd8d3;padding:64px 0;}
.rl-risk .rl-kicker{color:var(--rl-amber);}
.rl-risk .rl-section-title{color:#fff;}
.rl-risk .rl-section-sub{color:#9db1aa;}
.rl-risk-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 26px;margin-top:8px;}
.rl-risk-list li{display:flex;gap:12px;font-size:14.2px;line-height:1.85;min-width:0;}
.rl-risk-list i{color:var(--rl-amber);flex:0 0 auto;margin-top:4px;font-size:14px;}

/* faq */
.rl-faq details{background:#fff;border:1px solid var(--rl-line);border-radius:14px;margin-bottom:12px;overflow:hidden;}
.rl-faq details[open]{border-color:rgba(15,107,82,.38);box-shadow:var(--rl-shadow);}
.rl-faq summary{position:relative;padding:18px 52px 18px 22px;font-size:15.5px;font-weight:700;color:var(--rl-ink);cursor:pointer;list-style:none;}
.rl-faq summary::-webkit-details-marker{display:none;}
.rl-faq summary::after{content:"\002B";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:18px;color:var(--rl-green);font-weight:700;}
.rl-faq details[open] summary::after{content:"\2212";}
.rl-faq-body{padding:0 22px 20px;font-size:14.2px;line-height:1.9;color:var(--rl-muted);}

/* closing band */
.rl-closing{padding:0 0 72px;}
.rl-closing-inner{background:linear-gradient(140deg,#123a30 0%,#0d1b18 100%);border-radius:22px;padding:44px 40px;color:#dfe9e4;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:28px;align-items:center;}
.rl-closing-inner h2{color:#fff;font-size:clamp(20px,2.3vw,26px);}
.rl-closing-inner p{margin-top:12px;font-size:14.5px;line-height:1.85;color:#b6c8c1;}
.rl-closing-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;}
.rl-closing-actions a{display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 10px;border-radius:14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);color:#fff;font-size:13.5px;font-weight:600;min-width:0;transition:background-color .22s ease,border-color .22s ease,transform .22s ease;}
.rl-closing-actions a:hover{background:rgba(255,255,255,.16);border-color:var(--rl-amber);transform:translateY(-2px);color:#fff;}
.rl-closing-actions i{font-size:19px;color:var(--rl-amber);}

/* footer */
.rl-footer{background:#0a1412;color:#9fb0aa;padding:56px 0 26px;font-size:14px;}
.rl-footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:30px;}
.rl-footer-brand{font-size:18px;font-weight:800;color:#fff;letter-spacing:.5px;}
.rl-footer-brand span{display:block;margin-top:6px;font-size:11.5px;letter-spacing:1.2px;color:#7d8f89;font-weight:400;}
.rl-footer-desc{margin-top:16px;font-size:13.5px;line-height:1.85;color:#8b9d97;max-width:340px;}
.rl-footer h3{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.rl-footer li{margin-bottom:10px;}
.rl-footer li a{color:#9fb0aa;font-size:13.5px;}
.rl-footer li a:hover{color:var(--rl-amber);}
.rl-footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:#75867f;}

@media (max-width:1024px){
  .rl-grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rl-grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rl-calendar{grid-template-columns:repeat(4,minmax(0,1fr));}
  .rl-news-layout{grid-template-columns:minmax(0,1fr);}
  .rl-ports{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rl-closing-inner{grid-template-columns:minmax(0,1fr);}
  .rl-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:860px){
  .rl-header-inner{flex-wrap:wrap;gap:10px;padding:12px 0;min-height:0;}
  .rl-logo{flex:1 1 auto;}
  .rl-lang{order:2;}
  .rl-nav{order:3;flex:1 0 100%;padding-bottom:2px;}
  .rl-hero{padding:48px 0 56px;}
  .rl-hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
  .rl-hero-stat b{font-size:21px;}
  .rl-hero-stat span{font-size:12px;}
  .rl-section{padding:52px 0;}
  .rl-dl-grid{grid-template-columns:repeat(1,minmax(0,1fr));}
  .rl-calendar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rl-channel{grid-template-columns:minmax(0,1fr);padding:24px;}
  .rl-metrics{grid-template-columns:minmax(0,1fr);}
  .rl-trust{grid-template-columns:minmax(0,1fr);}
  .rl-risk-list{grid-template-columns:minmax(0,1fr);}
  .rl-closing{padding:0 0 56px;}
  .rl-closing-inner{padding:32px 24px;}
}
@media (max-width:520px){
  .rl-container{padding:0 16px;}
  .rl-grid--2,.rl-grid--3,.rl-grid--4{grid-template-columns:minmax(0,1fr);}
  .rl-calendar{grid-template-columns:minmax(0,1fr);}
  .rl-ports{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rl-hero-stats{grid-template-columns:minmax(0,1fr);}
  .rl-search{flex-wrap:wrap;border-radius:18px;padding:10px;}
  .rl-search input[type="search"]{flex:1 0 100%;padding:0 10px;}
  .rl-search button{flex:1 0 100%;}
  .rl-closing-actions{grid-template-columns:minmax(0,1fr);}
  .rl-footer-grid{grid-template-columns:minmax(0,1fr);}
  .rl-faq summary{font-size:15px;padding-right:46px;}
}

/* roulang page: article */
:root{
  --rl-ink:#0d1b18;
  --rl-ink-2:#16302a;
  --rl-green:#0f6b52;
  --rl-green-deep:#0a3d2f;
  --rl-green-soft:#e7f1ed;
  --rl-amber:#d9a13b;
  --rl-amber-deep:#b8832a;
  --rl-amber-soft:#f6e9cf;
  --rl-bg:#f7f6f2;
  --rl-card:#ffffff;
  --rl-line:#e3e1d9;
  --rl-text:#1c2422;
  --rl-muted:#5f6b67;
  --rl-radius:16px;
  --rl-radius-sm:10px;
  --rl-shadow:0 10px 30px rgba(13,27,24,.08);
  --rl-shadow-hover:0 18px 40px rgba(13,27,24,.14);
  --rl-gap:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--rl-text);
  background:var(--rl-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;color:var(--rl-ink);letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.rl-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.rl-section{padding:64px 0;}
.rl-section--alt{background:var(--rl-card);}
.rl-section--soft{background:#f1f0ea;}
.rl-section-head{max-width:780px;margin-bottom:34px;}
.rl-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.4px;font-weight:700;color:var(--rl-green);text-transform:uppercase;}
.rl-eyebrow i{color:var(--rl-amber);}
.rl-section-title{margin-top:10px;font-size:clamp(21px,2.5vw,29px);}
.rl-section-sub{margin-top:14px;font-size:15px;line-height:1.85;color:var(--rl-muted);}

/* header */
.rl-header{position:sticky;top:0;z-index:60;background:rgba(247,246,242,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--rl-line);}
.rl-header-inner{display:flex;align-items:center;gap:24px;min-height:74px;padding:10px 0;}
.rl-logo{display:flex;flex-direction:column;line-height:1.25;flex:0 0 auto;}
.rl-logo-main{font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--rl-ink);}
.rl-logo-sub{font-size:11px;letter-spacing:1.2px;color:var(--rl-muted);margin-top:2px;}
.rl-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;}
.rl-nav::-webkit-scrollbar{display:none;}
.rl-nav a{padding:9px 16px;border-radius:999px;font-size:15px;color:var(--rl-ink-2);white-space:nowrap;}
.rl-nav a:hover{background:rgba(15,107,82,.09);color:var(--rl-green);}
.rl-nav a.is-active{background:var(--rl-ink);color:#fff;}
.rl-lang{display:inline-flex;align-items:center;padding:4px;border-radius:999px;background:#fff;border:1px solid var(--rl-line);flex:0 0 auto;}
.rl-lang span{display:inline-block;padding:5px 12px;border-radius:999px;font-size:12.5px;color:var(--rl-muted);cursor:pointer;transition:background-color .2s ease,color .2s ease;}
.rl-lang span:hover{color:var(--rl-green);}
.rl-lang .is-on{background:var(--rl-ink);color:#fff;}

/* buttons */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;text-align:center;transition:background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
.rl-btn--primary{background:var(--rl-green);color:#fff;}
.rl-btn--primary:hover{background:var(--rl-green-deep);box-shadow:0 10px 24px rgba(15,107,82,.28);transform:translateY(-1px);color:#fff;}
.rl-btn--ghost{background:#fff;border-color:var(--rl-line);color:var(--rl-ink);}
.rl-btn--ghost:hover{border-color:var(--rl-green);color:var(--rl-green);box-shadow:var(--rl-shadow);}
.rl-btn:focus-visible{outline:3px solid rgba(217,161,59,.55);outline-offset:2px;}

/* article hero */
.rl-art-hero{position:relative;padding:40px 0 54px;color:#dbe7e2;overflow:hidden;background-color:var(--rl-ink);background-image:radial-gradient(circle at 15% 0%,rgba(15,107,82,.62),transparent 58%),radial-gradient(circle at 88% 20%,rgba(217,161,59,.2),transparent 52%);}
.rl-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#a7bdb5;}
.rl-crumb a{color:#cfe0d9;}
.rl-crumb a:hover{color:var(--rl-amber);}
.rl-crumb .sep{color:#5f7a71;}
.rl-art-title{margin-top:18px;max-width:920px;font-size:clamp(23px,3vw,34px);line-height:1.42;color:#fff;overflow-wrap:break-word;}
.rl-art-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.rl-meta-chip{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);font-size:13px;color:#cfded8;}
.rl-meta-chip i{font-size:12px;color:var(--rl-amber);}

/* layout */
.rl-art-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start;}
.rl-art-layout--single{grid-template-columns:minmax(0,1fr);}
.rl-article-shell{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-radius);padding:32px;min-width:0;box-shadow:var(--rl-shadow);}
.rl-article-body{font-size:16px;line-height:1.95;color:#26302d;overflow-wrap:break-word;}
.rl-article-body > *:first-child{margin-top:0;}
.rl-article-body h2{margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--rl-green);font-size:22px;}
.rl-article-body h3{margin:26px 0 10px;font-size:18px;color:var(--rl-ink-2);}
.rl-article-body h4{margin:20px 0 8px;font-size:16px;color:var(--rl-ink-2);}
.rl-article-body p{margin:0 0 16px;}
.rl-article-body ul,.rl-article-body ol{margin:0 0 18px;padding-left:22px;list-style:disc;}
.rl-article-body ol{list-style:decimal;}
.rl-article-body li{margin:6px 0;}
.rl-article-body a{color:var(--rl-green);text-decoration:underline;}
.rl-article-body a:hover{color:var(--rl-green-deep);}
.rl-article-body blockquote{margin:22px 0;padding:16px 20px;border-radius:12px;background:var(--rl-green-soft);border:1px solid #d3e5de;color:#26443a;}
.rl-article-body blockquote p:last-child{margin-bottom:0;}
.rl-article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;}
.rl-article-body th,.rl-article-body td{border:1px solid var(--rl-line);padding:10px 12px;text-align:left;vertical-align:top;}
.rl-article-body th{background:#f1f0ea;font-weight:700;}
.rl-article-body img{border-radius:12px;margin:18px 0;}
.rl-article-body pre{max-width:100%;overflow-x:auto;padding:16px;border-radius:12px;background:#f1f0ea;}
.rl-article-body hr{margin:28px 0;border:0;border-top:1px solid var(--rl-line);}
.rl-notice{margin-top:28px;padding:18px 20px;border-radius:12px;border-left:4px solid var(--rl-amber);background:var(--rl-amber-soft);font-size:14px;line-height:1.85;color:#6b5323;}
.rl-notice b{color:#4d3a14;}
.rl-empty{padding:44px 20px;text-align:center;}
.rl-empty i{font-size:34px;color:var(--rl-amber);}
.rl-empty p{margin:14px 0 20px;font-size:16px;color:var(--rl-muted);}

/* sidebar */
.rl-side{display:flex;flex-direction:column;gap:18px;min-width:0;position:sticky;top:96px;}
.rl-side-card{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-radius);padding:22px;min-width:0;box-shadow:var(--rl-shadow);}
.rl-side-title{display:flex;align-items:center;gap:8px;margin-bottom:14px;font-size:15px;font-weight:800;color:var(--rl-ink);}
.rl-side-title i{color:var(--rl-green);}
.rl-side-list li{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--rl-line);font-size:13.5px;color:var(--rl-muted);}
.rl-side-list li:last-child{border-bottom:0;}
.rl-side-list b{min-width:0;font-weight:600;color:var(--rl-ink-2);text-align:right;overflow-wrap:break-word;}
.rl-tag{display:inline-block;margin:0 8px 8px 0;padding:5px 12px;border-radius:999px;background:var(--rl-green-soft);color:var(--rl-green-deep);font-size:12.5px;}
.rl-side-note{font-size:13.5px;line-height:1.85;color:var(--rl-muted);}

/* concept grid */
.rl-concept-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.rl-concept{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-radius);padding:22px;min-width:0;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.rl-concept:hover{transform:translateY(-3px);box-shadow:var(--rl-shadow-hover);border-color:rgba(15,107,82,.35);}
.rl-concept-icon{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--rl-green-soft);color:var(--rl-green);font-size:17px;}
.rl-concept h3{margin-top:14px;font-size:16.5px;}
.rl-concept p{margin-top:8px;font-size:14px;line-height:1.85;color:var(--rl-muted);}

/* metrics */
.rl-metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.rl-metric{display:flex;gap:16px;padding:20px;border-radius:14px;background:var(--rl-card);border:1px solid var(--rl-line);min-width:0;transition:border-color .22s ease,box-shadow .22s ease;}
.rl-metric:hover{border-color:rgba(15,107,82,.35);box-shadow:var(--rl-shadow);}
.rl-metric-index{display:flex;align-items:center;justify-content:center;flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:var(--rl-ink);color:var(--rl-amber);font-size:15px;font-weight:800;}
.rl-metric-body{min-width:0;}
.rl-metric h3{font-size:16px;}
.rl-metric p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--rl-muted);}

/* checklist */
.rl-check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.rl-check{display:flex;align-items:flex-start;gap:12px;padding:16px 18px;border-radius:12px;background:var(--rl-card);border:1px solid var(--rl-line);font-size:14.5px;line-height:1.8;color:var(--rl-ink-2);min-width:0;}
.rl-check i{margin-top:4px;flex:0 0 auto;color:var(--rl-green);}

/* faq */
.rl-faq{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.rl-faq-item{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:14px;padding:0 20px;min-width:0;transition:border-color .22s ease,box-shadow .22s ease;}
.rl-faq-item[open]{border-color:rgba(15,107,82,.4);box-shadow:var(--rl-shadow);}
.rl-faq-item summary{position:relative;padding:18px 30px 18px 0;list-style:none;cursor:pointer;font-size:15.5px;font-weight:700;color:var(--rl-ink);}
.rl-faq-item summary::-webkit-details-marker{display:none;}
.rl-faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:0;top:20px;font-size:12px;color:var(--rl-green);transition:transform .2s ease;}
.rl-faq-item[open] summary::after{transform:rotate(180deg);}
.rl-faq-body{padding:0 0 18px;font-size:14.5px;line-height:1.9;color:var(--rl-muted);}

/* entry */
.rl-entry{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding:28px;border-radius:var(--rl-radius);background:var(--rl-green-soft);border:1px solid #d3e5de;}
.rl-entry-text{min-width:0;flex:1 1 420px;}
.rl-entry h3{font-size:19px;}
.rl-entry p{margin-top:10px;max-width:720px;font-size:14.5px;line-height:1.85;color:#3f5c53;}
.rl-entry .rl-btn{flex:0 0 auto;}

/* download */
.rl-download{padding:60px 0;color:#dbe7e2;background-color:var(--rl-ink);background-image:radial-gradient(circle at 82% 12%,rgba(217,161,59,.18),transparent 55%),radial-gradient(circle at 10% 90%,rgba(15,107,82,.5),transparent 60%);}
.rl-download .rl-section-title{color:#fff;}
.rl-download .rl-section-sub{color:#bcd0c8;}
.rl-download .rl-eyebrow{color:var(--rl-amber);}
.rl-dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:28px;}
.rl-dl-btn{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;min-width:0;transition:background-color .22s ease,border-color .22s ease,transform .22s ease;}
.rl-dl-btn:hover{background:rgba(255,255,255,.16);border-color:var(--rl-amber);transform:translateY(-2px);color:#fff;}
.rl-dl-btn i{flex:0 0 auto;font-size:22px;color:var(--rl-amber);}
.rl-dl-btn b{display:block;font-size:15.5px;font-weight:700;}
.rl-dl-btn small{display:block;margin-top:2px;font-size:12px;color:#b9cdc5;}
.rl-dl-note{margin-top:20px;font-size:13px;color:#9db8ad;}

/* footer */
.rl-footer{margin-top:0;padding:56px 0 26px;background:var(--rl-ink-2);color:#b9cbc4;}
.rl-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}
.rl-footer-brand{font-size:18px;font-weight:800;color:#fff;}
.rl-footer-brand span{display:block;margin-top:4px;font-size:11.5px;font-weight:400;letter-spacing:1.2px;color:#8ba79c;}
.rl-footer-desc{margin-top:14px;max-width:360px;font-size:13.5px;line-height:1.85;color:#9db5ac;}
.rl-footer h3{margin-bottom:14px;font-size:14px;color:#fff;letter-spacing:.5px;}
.rl-footer ul li{margin-bottom:9px;font-size:13.5px;}
.rl-footer ul a{color:#a9c0b7;}
.rl-footer ul a:hover{color:var(--rl-amber);}
.rl-footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:#8ba79c;}

@media (max-width:1024px){
  .rl-art-layout{grid-template-columns:minmax(0,1fr);}
  .rl-side{position:static;}
  .rl-concept-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rl-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  .rl-section{padding:48px 0;}
  .rl-header-inner{flex-wrap:wrap;gap:10px 16px;padding:12px 0;}
  .rl-logo{flex:1 1 auto;}
  .rl-lang{order:2;}
  .rl-nav{order:3;flex:1 1 100%;gap:4px;}
  .rl-art-hero{padding:30px 0 42px;}
  .rl-article-shell{padding:24px 20px;}
  .rl-metric-grid{grid-template-columns:minmax(0,1fr);}
  .rl-check-grid{grid-template-columns:minmax(0,1fr);}
  .rl-dl-grid{grid-template-columns:minmax(0,1fr);}
  .rl-entry{padding:22px;}
}
@media (max-width:520px){
  .rl-container{padding:0 16px;}
  .rl-logo-main{font-size:18px;}
  .rl-concept-grid{grid-template-columns:minmax(0,1fr);}
  .rl-footer-grid{grid-template-columns:minmax(0,1fr);}
  .rl-article-shell{padding:20px 16px;border-radius:14px;}
  .rl-article-body{font-size:15.5px;}
  .rl-article-body h2{font-size:19px;}
  .rl-faq-item{padding:0 16px;}
  .rl-btn{width:100%;}
  .rl-entry .rl-btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --rl-ink:#0d1b18;
  --rl-ink-2:#16302a;
  --rl-green:#0f6b52;
  --rl-green-deep:#0a3d2f;
  --rl-green-soft:#e7f1ed;
  --rl-amber:#d9a13b;
  --rl-amber-deep:#b8832a;
  --rl-amber-soft:#f6e9cf;
  --rl-bg:#f7f6f2;
  --rl-card:#ffffff;
  --rl-line:#e3e1d9;
  --rl-text:#1c2422;
  --rl-muted:#5f6b67;
  --rl-radius:16px;
  --rl-radius-sm:10px;
  --rl-shadow:0 10px 30px rgba(13,27,24,.08);
  --rl-shadow-hover:0 18px 40px rgba(13,27,24,.14);
  --rl-gap:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--rl-text);
  background:var(--rl-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;color:var(--rl-ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.rl-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.rl-section{padding:64px 0;}
.rl-section--alt{background:var(--rl-card);}
.rl-section--soft{background:#f1f0ea;}
.rl-section--dark{background:var(--rl-ink);}
/* header */
.rl-header{position:sticky;top:0;z-index:60;background:rgba(247,246,242,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--rl-line);}
.rl-header-inner{display:flex;align-items:center;gap:24px;min-height:74px;padding:10px 0;}
.rl-logo{display:flex;flex-direction:column;line-height:1.25;flex:0 0 auto;}
.rl-logo-main{font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--rl-ink);}
.rl-logo-sub{font-size:11px;letter-spacing:1.2px;color:var(--rl-muted);margin-top:2px;}
.rl-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;}
.rl-nav::-webkit-scrollbar{display:none;}
.rl-nav a{padding:9px 16px;border-radius:999px;font-size:15px;color:var(--rl-ink-2);white-space:nowrap;}
.rl-nav a:hover{background:rgba(15,107,82,.09);color:var(--rl-green);}
.rl-nav a.is-active{background:var(--rl-ink);color:#fff;}
.rl-lang{display:inline-flex;align-items:center;gap:2px;padding:4px;border:1px solid var(--rl-line);border-radius:999px;background:#fff;flex:0 0 auto;}
.rl-lang span{padding:4px 12px;border-radius:999px;font-size:12.5px;color:var(--rl-muted);cursor:pointer;transition:background-color .2s ease,color .2s ease;}
.rl-lang span.is-on{background:var(--rl-ink);color:#fff;}
/* hero */
.rl-hero{position:relative;color:#e8efec;overflow:hidden;background-color:var(--rl-ink);background-image:radial-gradient(circle at 18% 0%,rgba(15,107,82,.62),transparent 58%),radial-gradient(circle at 88% 18%,rgba(217,161,59,.18),transparent 52%);}
.rl-hero--cat{padding:58px 0 66px;}
.rl-hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:44px;align-items:start;}
.rl-hero-main{min-width:0;}
.rl-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.22);font-size:12.5px;letter-spacing:1px;color:#d6e2dd;}
.rl-eyebrow i{color:var(--rl-amber);}
.rl-hero-title{margin-top:20px;font-size:clamp(25px,3.2vw,38px);color:#fff;letter-spacing:.3px;}
.rl-hero-lead{margin-top:18px;font-size:15.5px;line-height:1.9;color:#c3d2cc;}
.rl-hero-list{margin-top:20px;display:grid;gap:10px;}
.rl-hero-list li{position:relative;padding-left:24px;font-size:14.5px;color:#c8d7d1;line-height:1.8;}
.rl-hero-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--rl-amber);}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.rl-hero-panel{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:24px;min-width:0;}
.rl-hero-panel h2{margin:0;font-size:15px;color:#fff;font-weight:700;letter-spacing:.4px;}
.rl-hero-panel .rl-panel-note{margin-top:6px;font-size:12.5px;color:#a9bdb6;line-height:1.7;}
.rl-param{margin-top:16px;display:grid;gap:2px;}
.rl-param-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.14);font-size:13.5px;color:#c3d2cc;min-width:0;}
.rl-param-row:last-child{border-bottom:0;}
.rl-param-row b{font-size:15px;color:#fff;font-weight:700;white-space:nowrap;}
.rl-param-row b.is-amber{color:var(--rl-amber);}
.rl-bar{margin-top:16px;}
.rl-bar-track{height:10px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;}
.rl-bar-fill{display:block;height:100%;width:20%;border-radius:999px;background:linear-gradient(90deg,var(--rl-green),var(--rl-amber));}
.rl-bar-legend{display:flex;justify-content:space-between;margin-top:8px;font-size:12px;color:#9fb3ac;}
/* section head */
.rl-section-head{max-width:780px;margin-bottom:34px;}
.rl-section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.rl-kicker{display:inline-block;font-size:12.5px;letter-spacing:2px;color:var(--rl-green);font-weight:700;text-transform:uppercase;}
.rl-section-title{margin-top:10px;font-size:clamp(21px,2.5vw,29px);}
.rl-section-sub{margin-top:14px;font-size:15px;line-height:1.85;color:var(--rl-muted);}
/* grid */
.rl-grid{display:grid;gap:var(--rl-gap);}
.rl-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.rl-grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.rl-grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}
/* buttons */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;text-align:center;transition:background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
.rl-btn--primary{background:var(--rl-green);color:#fff;}
.rl-btn--primary:hover{background:var(--rl-green-deep);box-shadow:0 10px 24px rgba(15,107,82,.28);transform:translateY(-1px);}
.rl-btn--ghost{background:#fff;border-color:var(--rl-line);color:var(--rl-ink);}
.rl-btn--ghost:hover{border-color:var(--rl-green);color:var(--rl-green);box-shadow:var(--rl-shadow);transform:translateY(-1px);}
.rl-btn:focus-visible,.rl-nav a:focus-visible,.rl-card-link:focus-visible{outline:3px solid rgba(217,161,59,.6);outline-offset:2px;}
/* cards */
.rl-card{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-radius);padding:24px;min-width:0;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.rl-card:hover{border-color:rgba(15,107,82,.4);box-shadow:var(--rl-shadow-hover);transform:translateY(-3px);}
.rl-card h3{font-size:16.5px;margin:0;}
.rl-card p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--rl-muted);}
.rl-card-ico{width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:var(--rl-green-soft);color:var(--rl-green);font-size:18px;margin-bottom:14px;}
.rl-tag{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:999px;background:var(--rl-green-soft);color:var(--rl-green);font-size:12px;font-weight:600;letter-spacing:.3px;}
.rl-tag--amber{background:var(--rl-amber-soft);color:var(--rl-amber-deep);}
/* matrix / multiple cards */
.rl-multi{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-radius);padding:22px;min-width:0;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.rl-multi:hover{border-color:rgba(15,107,82,.4);box-shadow:var(--rl-shadow-hover);transform:translateY(-3px);}
.rl-multi-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;}
.rl-multi-top b{font-size:26px;color:var(--rl-green);line-height:1.2;}
.rl-multi-top span{font-size:12.5px;color:var(--rl-muted);}
.rl-multi dl{margin:16px 0 0;display:grid;gap:8px;}
.rl-multi dt{font-size:12.5px;color:var(--rl-muted);}
.rl-multi dd{margin:0;font-size:15px;font-weight:700;color:var(--rl-ink);}
/* compare */
.rl-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--rl-gap);}
.rl-compare-col{border-radius:var(--rl-radius);padding:26px;border:1px solid var(--rl-line);background:var(--rl-card);min-width:0;}
.rl-compare-col--good{border-color:rgba(15,107,82,.35);background:linear-gradient(180deg,var(--rl-green-soft),#fff 52%);}
.rl-compare-col--warn{border-color:rgba(184,131,42,.4);background:linear-gradient(180deg,var(--rl-amber-soft),#fff 52%);}
.rl-compare-col h3{font-size:17px;display:flex;align-items:center;gap:10px;}
.rl-compare-col h3 i{color:var(--rl-green);}
.rl-compare-col--warn h3 i{color:var(--rl-amber-deep);}
.rl-check{margin-top:18px;display:grid;gap:12px;}
.rl-check li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.8;color:#38423f;}
.rl-check li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;font-size:12px;color:var(--rl-green);}
.rl-check--warn li::before{content:"\f071";color:var(--rl-amber-deep);}
/* steps */
.rl-steps{display:grid;gap:0;border-left:2px dashed var(--rl-line);margin-left:14px;}
.rl-step{position:relative;padding:0 0 30px 34px;min-width:0;}
.rl-step:last-child{padding-bottom:0;}
.rl-step::before{content:attr(data-step);position:absolute;left:-15px;top:0;width:28px;height:28px;border-radius:50%;background:var(--rl-green);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.rl-step h3{font-size:16.5px;}
.rl-step p{margin-top:8px;font-size:14.5px;line-height:1.85;color:var(--rl-muted);}
/* cost table */
.rl-cost{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-radius);overflow:hidden;}
.rl-cost-head{display:grid;grid-template-columns:1.1fr 1.6fr 1.1fr;gap:14px;padding:14px 22px;background:var(--rl-green-soft);font-size:13px;font-weight:700;color:var(--rl-green-deep);}
.rl-cost-row{display:grid;grid-template-columns:1.1fr 1.6fr 1.1fr;gap:14px;padding:16px 22px;border-top:1px solid var(--rl-line);font-size:14px;align-items:center;min-width:0;}
.rl-cost-row span{min-width:0;word-break:normal;overflow-wrap:anywhere;}
.rl-cost-row strong{color:var(--rl-ink);font-weight:700;}
.rl-cost-row em{font-style:normal;color:var(--rl-green);font-weight:700;}
.rl-note{margin-top:16px;font-size:13px;color:var(--rl-muted);line-height:1.8;}
/* posts */
.rl-post{display:flex;flex-direction:column;gap:10px;padding:22px;background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-radius);min-width:0;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.rl-post:hover{border-color:rgba(15,107,82,.4);box-shadow:var(--rl-shadow-hover);transform:translateY(-3px);}
.rl-post h3{font-size:16px;line-height:1.55;}
.rl-post p{font-size:14px;line-height:1.8;color:var(--rl-muted);}
.rl-post-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--rl-muted);}
.rl-post-meta i{margin-right:4px;}
.rl-empty{padding:28px;text-align:center;color:var(--rl-muted);font-size:14.5px;background:var(--rl-card);border:1px dashed var(--rl-line);border-radius:var(--rl-radius);}
/* faq */
.rl-faq{display:grid;gap:12px;max-width:880px;margin:0 auto;}
.rl-faq details{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-radius-sm);padding:0 20px;transition:border-color .2s ease,box-shadow .2s ease;}
.rl-faq details[open]{border-color:rgba(15,107,82,.4);box-shadow:var(--rl-shadow);}
.rl-faq summary{list-style:none;cursor:pointer;padding:18px 30px 18px 0;position:relative;font-size:15.5px;font-weight:700;color:var(--rl-ink);}
.rl-faq summary::-webkit-details-marker{display:none;}
.rl-faq summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:0;top:20px;font-size:12px;color:var(--rl-green);transition:transform .2s ease;}
.rl-faq details[open] summary::after{transform:rotate(180deg);}
.rl-faq .rl-faq-body{padding:0 0 20px;font-size:14.5px;line-height:1.9;color:var(--rl-muted);}
/* download */
.rl-download{background-color:var(--rl-green-deep);background-image:radial-gradient(circle at 12% 20%,rgba(15,107,82,.8),transparent 60%),radial-gradient(circle at 92% 10%,rgba(217,161,59,.22),transparent 55%);color:#e8efec;}
.rl-download .rl-section-title{color:#fff;}
.rl-download .rl-section-sub{color:#bcd0c8;}
.rl-dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:8px;}
.rl-dl-btn{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;min-width:0;transition:background-color .22s ease,border-color .22s ease,transform .22s ease;}
.rl-dl-btn:hover{background:rgba(255,255,255,.16);border-color:var(--rl-amber);transform:translateY(-2px);color:#fff;}
.rl-dl-btn i{font-size:22px;color:var(--rl-amber);flex:0 0 auto;}
.rl-dl-btn b{display:block;font-size:15.5px;font-weight:700;}
.rl-dl-btn small{display:block;font-size:12px;color:#b9cdc5;margin-top:2px;}
/* footer */
.rl-footer{background:var(--rl-ink);color:#a9bdb6;padding:56px 0 26px;}
.rl-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.rl-footer-brand{font-size:17px;font-weight:800;color:#fff;}
.rl-footer-brand span{display:block;margin-top:6px;font-size:12px;letter-spacing:1px;color:#8fa6a0;font-weight:400;}
.rl-footer-desc{margin-top:14px;font-size:13.5px;line-height:1.85;color:#93aaa4;}
.rl-footer h3{font-size:14px;color:#fff;margin-bottom:14px;font-weight:700;letter-spacing:.5px;}
.rl-footer ul{display:grid;gap:10px;}
.rl-footer ul a{font-size:13.5px;color:#a9bdb6;}
.rl-footer ul a:hover{color:var(--rl-amber);}
.rl-footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:#849c96;}
/* responsive */
@media (max-width:1024px){
  .rl-hero-grid{grid-template-columns:1fr;gap:32px;}
  .rl-grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rl-grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rl-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:26px;}
}
@media (max-width:900px){
  .rl-header-inner{flex-wrap:wrap;row-gap:8px;padding:12px 0;}
  .rl-nav{order:3;flex-basis:100%;margin:0 -4px;}
  .rl-lang{margin-left:auto;}
  .rl-dl-grid{grid-template-columns:1fr;}
  .rl-compare{grid-template-columns:1fr;}
  .rl-cost-head{display:none;}
  .rl-cost-row{grid-template-columns:1fr;gap:6px;padding:16px 18px;border-top:1px solid var(--rl-line);}
  .rl-cost-row span:first-child{font-weight:700;color:var(--rl-ink);}
}
@media (max-width:768px){
  .rl-section{padding:48px 0;}
  .rl-hero--cat{padding:44px 0 50px;}
  .rl-grid--3,.rl-grid--4{grid-template-columns:1fr;}
  .rl-footer-grid{grid-template-columns:1fr 1fr;}
  .rl-hero-actions .rl-btn{flex:1 1 auto;}
}
@media (max-width:520px){
  .rl-container{padding:0 16px;}
  .rl-logo-main{font-size:17px;}
  .rl-logo-sub{font-size:10px;letter-spacing:.6px;}
  .rl-nav a{padding:8px 13px;font-size:14px;}
  .rl-hero-title{font-size:23px;}
  .rl-footer-grid{grid-template-columns:1fr;}
  .rl-btn{width:100%;}
  .rl-hero-actions .rl-btn{width:100%;}
  .rl-step{padding-left:28px;}
  .rl-card,.rl-multi,.rl-compare-col{padding:20px;}
}