/* roulang page: index */
:root{
  --brand:#1B63A8;
  --brand-dark:#154E86;
  --brand-light:#E8F1FA;
  --accent:#0F9E8C;
  --accent-light:#E4F5F2;
  --warm:#F2994A;
  --warm-light:#FEF1E4;
  --bg:#F6F8FB;
  --bg-alt:#EEF3F9;
  --card:#FFFFFF;
  --text:#22303D;
  --text-2:#5E6E7E;
  --text-3:#8C9AA8;
  --line:#E3EAF2;
  --dark:#0E2A44;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-img:20px;
  --shadow-card:0 1px 2px rgba(18,44,74,.05),0 10px 28px rgba(18,44,74,.06);
  --shadow-hover:0 14px 36px rgba(18,44,74,.12);
  --shadow-btn:0 6px 16px rgba(27,99,168,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
}
:root{
  --bs-primary:#1B63A8;
  --bs-primary-rgb:27,99,168;
  --bs-link-color:#1B63A8;
  --bs-link-hover-color:#154E86;
  --bs-body-color:#22303D;
  --bs-body-bg:#F6F8FB;
  --bs-border-color:#E3EAF2;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:var(--text)}
h2.rl-h2{font-size:30px;line-height:1.3}
h3.rl-h3{font-size:20px;font-weight:600}
p{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(27,99,168,.22);outline-offset:2px;border-radius:6px}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.rl-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- header ---------- */
.rl-header{position:sticky;top:0;z-index:1030;background:rgba(246,248,251,.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid transparent;transition:background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.rl-header.is-scrolled{background:rgba(255,255,255,.98);border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(18,44,74,.06)}
.rl-header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px;transition:height .2s var(--ease)}
.rl-header.is-scrolled .rl-header-inner{height:64px}
.rl-logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:19px;letter-spacing:.2px}
.rl-logo:hover{color:var(--brand)}
.rl-logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#1B63A8 0%,#0F9E8C 100%);display:grid;place-items:center;color:#fff;box-shadow:0 6px 14px rgba(27,99,168,.25);flex:0 0 34px}
.rl-logo-mark svg{width:18px;height:18px}
.rl-nav{display:flex;align-items:center;gap:2px}
.rl-nav-link{position:relative;padding:9px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--text-2)}
.rl-nav-link:hover{color:var(--brand);background:var(--brand-light)}
.rl-nav-link.active{color:var(--brand);font-weight:600}
.rl-nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--brand)}
.rl-header-actions{display:flex;align-items:center;gap:10px}
.rl-menu-btn{width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;display:grid;place-items:center;color:var(--text);transition:.2s var(--ease)}
.rl-menu-btn:hover{border-color:var(--brand);color:var(--brand)}
.rl-menu-btn svg{width:20px;height:20px}

/* ---------- buttons ---------- */
.btn-rl{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius-btn);padding:12px 24px;font-size:15px;font-weight:600;line-height:1.4;transition:all .2s var(--ease);white-space:nowrap}
.btn-rl-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-btn)}
.btn-rl-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(27,99,168,.3)}
.btn-rl-primary:active{transform:translateY(0);box-shadow:var(--shadow-btn)}
.btn-rl-outline{background:#fff;color:var(--brand);border-color:rgba(27,99,168,.4)}
.btn-rl-outline:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand)}
.btn-rl-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-rl-ghost:hover{background:#fff;color:var(--brand)}
.btn-rl-block{width:100%}
.btn-rl[disabled],.btn-rl.is-disabled{background:var(--line);color:var(--text-3);box-shadow:none;border-color:transparent;pointer-events:none}
.rl-text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.rl-text-link i{font-style:normal;transition:transform .2s var(--ease)}
.rl-text-link:hover i{transform:translateX(3px)}

/* ---------- hero ---------- */
.rl-hero{position:relative;overflow:hidden;background:radial-gradient(880px 420px at 88% -14%,rgba(27,99,168,.12),transparent 72%),linear-gradient(180deg,#F6F8FB 0%,#FFFFFF 100%);padding-top:20px}
.rl-hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:52px 0 40px}
.rl-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-light);border-radius:999px;padding:6px 14px;margin-bottom:18px}
.rl-hero h1{font-size:42px;line-height:1.25}
.rl-hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:560px}
.rl-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.rl-hero-media{position:relative}
.rl-hero-media::before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(15,158,140,.12);right:-46px;top:-40px;z-index:0}
.rl-hero-media img{position:relative;z-index:1;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);box-shadow:0 18px 46px rgba(18,44,74,.16)}
.rl-trust{display:flex;flex-wrap:wrap;border-top:1px solid var(--line);padding:22px 0 26px}
.rl-trust li{flex:1 1 220px;min-width:200px;padding:0 22px;border-right:1px solid var(--line);font-size:14px;line-height:1.7;color:var(--text-2);display:flex;gap:10px;align-items:flex-start}
.rl-trust li:first-child{padding-left:0}
.rl-trust li:last-child{border-right:0;padding-right:0}
.rl-trust strong{display:block;font-size:18px;color:var(--text);font-weight:700}
.rl-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 8px;margin-top:9px}

/* ---------- sections ---------- */
.rl-section{padding:96px 0}
.rl-section.alt{background:var(--bg-alt)}
.rl-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px}
.rl-section-head p{margin-top:12px;font-size:16px;color:var(--text-2);max-width:640px}

/* ---------- value band ---------- */
.rl-value{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:start}
.rl-value-lead h2{font-size:30px;line-height:1.35}
.rl-value-lead p{margin-top:18px;color:var(--text-2)}
.rl-value-list li{display:flex;gap:16px;padding:22px 0;border-top:1px solid var(--line)}
.rl-value-list li:first-child{border-top:0;padding-top:0}
.rl-ico{width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:var(--brand-light);color:var(--brand);display:grid;place-items:center}
.rl-ico svg{width:20px;height:20px}
.rl-value-list h3{font-size:17px;font-weight:600;margin-bottom:4px}
.rl-value-list p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- feature rows ---------- */
.rl-feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:48px 0;border-top:1px solid var(--line)}
.rl-feature:first-of-type{border-top:0;padding-top:0}
.rl-feature.reverse .rl-feature-media{order:2}
.rl-feature-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-card)}
.rl-feature-body h3{font-size:22px;font-weight:700;margin-bottom:14px}
.rl-feature-body>p{color:var(--text-2);margin-bottom:20px}
.rl-tags{display:flex;flex-wrap:wrap;gap:10px}
.rl-tag{display:inline-block;font-size:13px;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--text-2);transition:.2s var(--ease)}
.rl-tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light)}

/* ---------- scenes ---------- */
.rl-scene-tabs{display:flex;gap:10px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:none}
.rl-scene-tabs::-webkit-scrollbar{display:none}
.rl-scene-tab{border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;font-weight:600;padding:9px 18px;border-radius:999px;transition:.2s var(--ease);white-space:nowrap}
.rl-scene-tab:hover{border-color:var(--brand);color:var(--brand)}
.rl-scene-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(27,99,168,.22)}
.rl-scene-panel{display:none;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;margin-top:32px}
.rl-scene-panel.active{display:grid}
.rl-scene-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-card)}
.rl-scene-copy h3{font-size:24px;margin-bottom:14px}
.rl-scene-copy p{color:var(--text-2)}
.rl-scene-points{margin-top:20px;display:grid;gap:12px}
.rl-scene-points li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2)}
.rl-scene-points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.rl-scene-strip{display:none}

/* ---------- cases ---------- */
.rl-case-main{display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card)}
.rl-case-main img{width:100%;height:100%;min-height:280px;object-fit:cover}
.rl-case-body{padding:36px}
.rl-case-body h3{font-size:22px;margin-bottom:14px}
.rl-case-body p{color:var(--text-2)}
.rl-case-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.rl-case-stats strong{display:block;font-size:26px;color:var(--brand);line-height:1.2}
.rl-case-stats span{font-size:13px;color:var(--text-3)}
.rl-case-list{margin-top:24px;border-top:1px solid var(--line)}
.rl-case-list li{display:flex;align-items:center;gap:20px;padding:20px 4px;border-bottom:1px solid var(--line);transition:background .2s var(--ease)}
.rl-case-list li:hover{background:#fff}
.rl-case-list img{width:96px;height:64px;object-fit:cover;border-radius:12px;flex:0 0 96px}
.rl-case-list h3{font-size:17px;font-weight:600;margin-bottom:2px}
.rl-case-list p{font-size:14px;color:var(--text-2)}
.rl-case-list .rl-text-link{margin-left:auto}

/* ---------- news / cards ---------- */
.rl-news-feature{display:grid;grid-template-columns:.92fr 1.08fr;gap:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.rl-news-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.rl-news-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card)}
.rl-news-feature h3{font-size:22px;margin:14px 0 10px}
.rl-news-feature h3 a{color:var(--text)}
.rl-news-feature h3 a:hover{color:var(--brand)}
.rl-news-feature p{color:var(--text-2);font-size:15px}
.rl-news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
.rl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-card);transition:transform .2s var(--ease),box-shadow .2s var(--ease);display:flex;flex-direction:column;height:100%}
.rl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.rl-card h3{font-size:18px;margin:14px 0 10px}
.rl-card h3 a{color:var(--text)}
.rl-card h3 a:hover{color:var(--brand)}
.rl-card p{font-size:15px;color:var(--text-2)}
.rl-badge{display:inline-block;font-size:13px;font-weight:600;padding:4px 10px;border-radius:6px;background:var(--brand-light);color:var(--brand)}
.rl-badge.green{background:var(--accent-light);color:var(--accent)}
.rl-badge.warm{background:var(--warm-light);color:#C97A28}
.rl-clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:18px;font-size:13px;color:var(--text-3)}
.rl-card-meta a{font-size:13px;font-weight:600}
.rl-empty{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);text-align:center;padding:32px}
.rl-empty svg{width:44px;height:44px;color:rgba(27,99,168,.4)}
.rl-empty p{color:var(--text-2);font-size:15px}

/* ---------- price ---------- */
.rl-price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.rl-price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:32px 28px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.rl-price-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.rl-price-card.featured{border-color:var(--brand);box-shadow:var(--shadow-hover);transform:translateY(-6px)}
.rl-ribbon{position:absolute;top:-13px;right:22px;background:var(--warm);color:#fff;font-size:12px;font-weight:600;padding:5px 14px;border-radius:999px;box-shadow:0 6px 14px rgba(242,153,74,.3)}
.rl-price-card h3{font-size:19px}
.rl-price-card .rl-price{margin:16px 0 6px;font-size:34px;font-weight:700;color:var(--brand);line-height:1.2}
.rl-price-card .rl-price small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:4px}
.rl-price-card .rl-price-desc{font-size:14px;color:var(--text-2);padding-bottom:20px;border-bottom:1px solid var(--line)}
.rl-price-list{margin:22px 0 26px;display:grid;gap:11px}
.rl-price-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2)}
.rl-price-list li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:7px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.rl-price-note{margin-top:22px;font-size:13.5px;color:var(--text-3);text-align:center}

/* ---------- faq ---------- */
.rl-faq-wrap{max-width:860px}
.rl-faq .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;border-radius:0}
.rl-faq .accordion-button{background:transparent;padding:20px 40px 20px 0;font-size:17px;font-weight:600;color:var(--text);box-shadow:none;border-radius:0}
.rl-faq .accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none}
.rl-faq .accordion-button:focus{box-shadow:none;outline:3px solid rgba(27,99,168,.22);outline-offset:-3px}
.rl-faq .accordion-button::after{background-image:none;content:"+";width:auto;height:auto;font-size:22px;font-weight:400;line-height:1;color:var(--brand);transform:none;display:flex;align-items:center;justify-content:center;transition:transform .2s var(--ease)}
.rl-faq .accordion-button:not(.collapsed)::after{content:"−";background-image:none;transform:none}
.rl-faq .accordion-body{padding:0 40px 20px 0;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- cta ---------- */
.rl-cta{background:var(--dark);border-radius:24px;padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;color:#fff}
.rl-cta h2{color:#fff;font-size:28px;line-height:1.35}
.rl-cta p{color:rgba(255,255,255,.72);margin-top:16px}
.rl-cta-points{margin-top:26px;display:grid;gap:12px}
.rl-cta-points li{position:relative;padding-left:24px;font-size:15px;color:rgba(255,255,255,.82)}
.rl-cta-points li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:7px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.rl-form{background:#fff;border-radius:var(--radius-card);padding:30px;box-shadow:0 20px 50px rgba(4,18,34,.3)}
.rl-form .form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}
.rl-form .form-control,.rl-form .form-select{width:100%;height:48px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;font-size:15px;color:var(--text);padding:0 14px;box-shadow:none;transition:.2s var(--ease)}
.rl-form .form-control::placeholder{color:var(--text-3)}
.rl-form textarea.form-control{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.rl-form .form-control:focus,.rl-form .form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,99,168,.15);outline:none}
.rl-form .form-select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%231B63A8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' d='M3 6l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.rl-form .form-note{margin-top:14px;font-size:13px;color:var(--text-3);line-height:1.7}
.rl-form .form-note a{color:var(--brand);font-weight:600}

/* ---------- footer ---------- */
.rl-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:96px;border-top:1px solid rgba(27,99,168,.2)}
.rl-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.rl-footer .rl-logo{color:#fff}
.rl-footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:300px}
.rl-footer-contact{margin-top:18px;font-size:14px;color:rgba(255,255,255,.8)}
.rl-footer h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.rl-footer li a{display:inline-block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.7)}
.rl-footer li a:hover{color:#fff;text-decoration:underline}
.rl-footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}
.rl-footer-bottom a{color:rgba(255,255,255,.7)}

/* ---------- offcanvas ---------- */
.rl-offcanvas{background:#fff;color:var(--text);width:300px}
.rl-offcanvas .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.rl-offcanvas .offcanvas-body{padding:18px 20px}
.rl-offcanvas .rl-nav-link{display:block;padding:13px 14px;font-size:16px}
.rl-offcanvas .rl-nav-link.active::after{left:14px;right:auto;width:20px;bottom:8px}

/* ---------- mobile tabbar ---------- */
.rl-tabbar{position:fixed;left:0;right:0;bottom:0;z-index:1040;display:flex;background:rgba(255,255,255,.98);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(18,44,74,.07);padding-bottom:env(safe-area-inset-bottom);backdrop-filter:blur(10px)}
.rl-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;height:56px;font-size:10.5px;line-height:1.2;color:var(--text-3);position:relative;transition:color .2s var(--ease)}
.rl-tab svg{width:20px;height:20px}
.rl-tab.active{color:var(--brand);font-weight:600}
.rl-tab.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:0 0 3px 3px;background:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .rl-hero h1{font-size:36px}
  .rl-value,.rl-feature,.rl-scene-panel,.rl-case-main,.rl-news-feature{grid-template-columns:1fr 1fr;gap:40px}
  .rl-cta{padding:44px;gap:40px}
}
@media (max-width:991px){
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
  .rl-hero-inner{grid-template-columns:1fr;gap:36px;padding:36px 0 28px}
  .rl-hero-media::before{display:none}
  .rl-hero h1{font-size:32px}
  .rl-hero-sub{font-size:16px;max-width:none}
  .rl-trust li{flex:1 1 100%;border-right:0;border-bottom:1px solid var(--line);padding:14px 0}
  .rl-trust li:last-child{border-bottom:0}
  .rl-section{padding:72px 0}
  .rl-value,.rl-feature,.rl-scene-panel,.rl-case-main,.rl-news-feature{grid-template-columns:1fr}
  .rl-feature.reverse .rl-feature-media{order:0}
  .rl-news-grid,.rl-price-grid{grid-template-columns:1fr}
  .rl-price-card.featured{transform:none}
  .rl-cta{grid-template-columns:1fr;padding:34px 26px;gap:32px;border-radius:20px}
  .rl-footer{margin-top:72px;padding-top:48px}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .rl-footer-brand{grid-column:1 / -1}
  .rl-case-list li{flex-wrap:wrap;gap:14px}
  .rl-case-list .rl-text-link{margin-left:0}
  .rl-form{padding:24px}
}
@media (max-width:767px){
  html,body{font-size:15.5px}
  .rl-section{padding:60px 0}
  .rl-hero h1{font-size:29px}
  h2.rl-h2{font-size:23px}
  .rl-section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .rl-section-head p{font-size:15px}
  .rl-value-lead h2{font-size:24px}
  .rl-feature-body h3,.rl-scene-copy h3,.rl-case-body h3,.rl-news-feature h3{font-size:20px}
  .rl-desktop-scenes{display:none}
  .rl-scene-strip{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 0 14px;margin-top:24px}
  .rl-scene-strip::-webkit-scrollbar{display:none}
  .rl-scene-card{flex:0 0 78%;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-card)}
  .rl-scene-card h3{font-size:17px;margin-bottom:8px}
  .rl-scene-card p{font-size:14px;color:var(--text-2)}
  .rl-scene-card .rl-text-link{margin-top:12px;font-size:14px}
  .rl-price-card{padding:26px 22px}
  .rl-faq .accordion-button{font-size:16px;padding:18px 36px 18px 0}
  .rl-faq .accordion-body{padding-right:0}
  .rl-case-body{padding:26px 22px}
  .rl-news-feature{padding:18px}
}
@media (max-width:575px){
  .rl-container{padding:0 18px}
  .rl-hero h1{font-size:27px}
  .rl-hero-cta .btn-rl{width:100%}
  .rl-trust strong{font-size:17px}
  .rl-footer-grid{grid-template-columns:1fr}
  .rl-case-stats{gap:20px}
  .rl-case-stats strong{font-size:22px}
  .rl-tab{font-size:10px}
}

/* roulang page: article */
:root{
  --rl-primary:#1B63A8;
  --rl-primary-dark:#154E86;
  --rl-primary-soft:#E8F1FA;
  --rl-secondary:#0F9E8C;
  --rl-secondary-soft:#E4F5F2;
  --rl-accent:#F2994A;
  --rl-accent-soft:#FEF1E4;
  --rl-bg:#F6F8FB;
  --rl-bg-alt:#EEF3F9;
  --rl-card:#FFFFFF;
  --rl-text:#22303D;
  --rl-text-2:#5E6E7E;
  --rl-text-3:#8C9AA8;
  --rl-line:#E3EAF2;
  --rl-dark:#0E2A44;
  --rl-success:#0F9E8C;
  --rl-warn:#E0A32E;
  --rl-danger:#D9534F;
  --rl-r-sm:6px;
  --rl-r:10px;
  --rl-r-card:16px;
  --rl-r-lg:20px;
  --rl-r-pill:999px;
  --rl-shadow:0 1px 2px rgba(18,44,74,.05), 0 10px 28px rgba(18,44,74,.06);
  --rl-shadow-hover:0 14px 36px rgba(18,44,74,.12);
  --rl-shadow-btn:0 6px 16px rgba(27,99,168,.22);
  --rl-ease:cubic-bezier(.2,.7,.3,1);
  --rl-t:200ms var(--rl-ease);
  --rl-gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--rl-text);
  background:var(--rl-bg);
  padding-bottom:calc(60px + env(safe-area-inset-bottom));
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--rl-text);letter-spacing:0;}
p{margin:0;}
a{color:var(--rl-primary);text-decoration:none;transition:color var(--rl-t);}
a:hover{color:var(--rl-primary-dark);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:var(--rl-primary-soft);color:var(--rl-primary-dark);}
:focus-visible{outline:3px solid rgba(27,99,168,.35);outline-offset:2px;border-radius:4px;}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.rl-narrow{max-width:1080px;}

/* 顶部导航 */
.rl-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,248,251,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background var(--rl-t),box-shadow var(--rl-t),border-color var(--rl-t);
}
.rl-header.is-stuck{background:#fff;border-bottom-color:var(--rl-line);box-shadow:0 6px 20px rgba(18,44,74,.07);}
.rl-header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height var(--rl-t);}
.rl-header.is-stuck .rl-header-inner{height:64px;}
.rl-logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--rl-text);}
.rl-logo:hover{color:var(--rl-primary);}
.rl-logo-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--rl-primary),#2E86CE);
  color:#fff;box-shadow:0 6px 16px rgba(27,99,168,.28);
}
.rl-logo-mark svg{width:19px;height:19px;}
.rl-logo-text{font-size:19px;letter-spacing:.2px;}
.rl-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.rl-nav-link{
  position:relative;padding:10px 14px;border-radius:var(--rl-r);
  font-size:15px;font-weight:500;color:var(--rl-text-2);
  transition:color var(--rl-t),background var(--rl-t);
}
.rl-nav-link:hover{color:var(--rl-primary);background:var(--rl-primary-soft);}
.rl-nav-link.active{color:var(--rl-primary);font-weight:600;}
.rl-nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--rl-primary);border-radius:2px;
}
.rl-header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.rl-menu-btn{
  width:42px;height:42px;border-radius:var(--rl-r);border:1px solid var(--rl-line);
  background:#fff;color:var(--rl-text);display:inline-flex;align-items:center;justify-content:center;
  font-size:20px;transition:border-color var(--rl-t),color var(--rl-t);
}
.rl-menu-btn:hover{border-color:var(--rl-primary);color:var(--rl-primary);}

/* 按钮 */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--rl-r);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:background var(--rl-t),color var(--rl-t),box-shadow var(--rl-t),transform var(--rl-t),border-color var(--rl-t);
}
.rl-btn-primary{background:var(--rl-primary);color:#fff;box-shadow:var(--rl-shadow-btn);}
.rl-btn-primary:hover{background:var(--rl-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(27,99,168,.3);}
.rl-btn-primary:active{transform:translateY(0);box-shadow:var(--rl-shadow-btn);}
.rl-btn-ghost{background:#fff;color:var(--rl-primary);border-color:var(--rl-primary);}
.rl-btn-ghost:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);}
.rl-btn-soft{background:var(--rl-primary-soft);color:var(--rl-primary);}
.rl-btn-soft:hover{background:#D8E8F7;color:var(--rl-primary-dark);}
.rl-btn-sm{padding:9px 18px;font-size:14px;border-radius:var(--rl-r);}
.rl-btn-block{width:100%;}
.rl-btn[disabled],.rl-btn.disabled{background:var(--rl-line);color:var(--rl-text-3);box-shadow:none;pointer-events:none;}
.rl-textlink{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--rl-primary);}
.rl-textlink i{transition:transform var(--rl-t);}
.rl-textlink:hover i{transform:translateX(3px);}

/* 徽章 / 标签 */
.rl-badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:var(--rl-r-sm);
  font-size:13px;font-weight:600;line-height:1.5;
  background:var(--rl-primary-soft);color:var(--rl-primary);
}
.rl-badge-green{background:var(--rl-secondary-soft);color:var(--rl-secondary);}
.rl-badge-orange{background:var(--rl-accent-soft);color:#C77A2C;}
.rl-chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.rl-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--rl-r-pill);
  background:#fff;border:1px solid var(--rl-line);
  font-size:14px;color:var(--rl-text-2);font-weight:500;
  transition:all var(--rl-t);
}
.rl-chip:hover{border-color:var(--rl-primary);color:var(--rl-primary);background:var(--rl-primary-soft);}
.rl-chip.is-current{background:var(--rl-primary);border-color:var(--rl-primary);color:#fff;}

/* 面包屑 */
.rl-crumb-wrap{background:#fff;border-bottom:1px solid var(--rl-line);}
.rl-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:16px 0;font-size:13px;color:var(--rl-text-2);}
.rl-crumb a{color:var(--rl-text-2);}
.rl-crumb a:hover{color:var(--rl-primary);}
.rl-crumb i{font-size:11px;color:var(--rl-text-3);}
.rl-crumb .current{color:var(--rl-text);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 文章头部 */
.rl-article-head{background:#fff;padding:44px 0 0;}
.rl-article-head h1{font-size:42px;line-height:1.28;font-weight:700;margin-bottom:18px;max-width:900px;}
.rl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;color:var(--rl-text-3);}
.rl-meta span{display:inline-flex;align-items:center;gap:6px;}
.rl-meta i{color:var(--rl-primary);font-size:14px;}
.rl-hero-figure{margin:30px 0 0;border-radius:var(--rl-r-lg);overflow:hidden;background:var(--rl-bg-alt);aspect-ratio:16/9;}
.rl-hero-figure img{width:100%;height:100%;object-fit:cover;}

/* 主体布局 */
.rl-article-main{padding:52px 0 96px;}
.rl-article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.rl-card-panel{background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-r-card);box-shadow:var(--rl-shadow);padding:36px 40px;}

/* 富文本正文 */
.rl-article-body{font-size:16px;line-height:1.85;color:var(--rl-text);}
.rl-article-body h2{
  position:relative;font-size:26px;line-height:1.4;font-weight:700;
  margin:44px 0 18px;padding-left:14px;
}
.rl-article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  background:var(--rl-primary);border-radius:3px;
}
.rl-article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:32px 0 12px;color:var(--rl-text);}
.rl-article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.rl-article-body p{margin:0 0 18px;color:var(--rl-text-2);}
.rl-article-body strong{color:var(--rl-text);font-weight:600;}
.rl-article-body ul,.rl-article-body ol{margin:0 0 20px;padding-left:0;}
.rl-article-body ul li,.rl-article-body ol li{
  position:relative;padding-left:24px;margin-bottom:10px;color:var(--rl-text-2);
}
.rl-article-body ul li::before{
  content:"";position:absolute;left:6px;top:13px;width:6px;height:6px;border-radius:50%;
  background:var(--rl-primary);
}
.rl-article-body ol{counter-reset:rl-o;}
.rl-article-body ol li{counter-increment:rl-o;}
.rl-article-body ol li::before{
  content:counter(rl-o);position:absolute;left:0;top:2px;
  width:18px;height:18px;border-radius:50%;background:var(--rl-primary-soft);color:var(--rl-primary);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.rl-article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--rl-primary);
  background:var(--rl-primary-soft);border-radius:0 var(--rl-r) var(--rl-r) 0;
  color:var(--rl-text);font-size:15.5px;
}
.rl-article-body blockquote p:last-child{margin-bottom:0;}
.rl-article-body img{border-radius:var(--rl-r-card);margin:24px 0 8px;width:100%;height:auto;}
.rl-article-body figure{margin:24px 0;}
.rl-article-body figcaption{font-size:13px;color:var(--rl-text-3);text-align:center;margin-top:8px;}
.rl-article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto;}
.rl-article-body th,.rl-article-body td{border:1px solid var(--rl-line);padding:12px 14px;text-align:left;}
.rl-article-body th{background:var(--rl-bg-alt);font-weight:600;color:var(--rl-text);}
.rl-article-body tr:hover td{background:#FAFCFE;}
.rl-article-body pre{
  background:var(--rl-dark);color:#DCE7F2;border-radius:var(--rl-r-card);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;
}
.rl-article-body code{background:var(--rl-bg-alt);color:var(--rl-primary-dark);padding:2px 6px;border-radius:6px;font-size:14px;}
.rl-article-body pre code{background:none;color:inherit;padding:0;}
.rl-article-body hr{border:0;border-top:1px solid var(--rl-line);margin:32px 0;}

/* 空态 */
.rl-empty{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:40px 20px;
}
.rl-empty i{font-size:44px;color:rgba(27,99,168,.4);}
.rl-empty p{color:var(--rl-text-2);font-size:15px;}

/* 文末 */
.rl-after{padding:36px 40px;border-top:1px solid var(--rl-line);background:#fff;border-radius:0 0 var(--rl-r-card) var(--rl-r-card);}
.rl-tag-block{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:28px;}
.rl-tag-block .label{font-size:13px;color:var(--rl-text-3);}
.rl-pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px;}
.rl-pager-item{
  display:block;background:var(--rl-bg);border:1px solid var(--rl-line);border-radius:var(--rl-r-card);
  padding:18px 20px;transition:all var(--rl-t);
}
.rl-pager-item:hover{background:#fff;border-color:var(--rl-primary);box-shadow:var(--rl-shadow-hover);transform:translateY(-3px);}
.rl-pager-item .k{font-size:13px;color:var(--rl-text-3);display:block;margin-bottom:6px;}
.rl-pager-item .t{font-size:15px;font-weight:600;color:var(--rl-text);line-height:1.6;}
.rl-pager-item:hover .t{color:var(--rl-primary);}
.rl-sub-title{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:18px;}
.rl-sub-title::before{content:"";width:3px;height:16px;border-radius:3px;background:var(--rl-primary);}
.rl-rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}

/* 卡片 */
.rl-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r-card);
  box-shadow:var(--rl-shadow);overflow:hidden;transition:all var(--rl-t);
}
.rl-card:hover{transform:translateY(-3px);box-shadow:var(--rl-shadow-hover);}
.rl-card-thumb{aspect-ratio:16/10;background:var(--rl-bg-alt);overflow:hidden;}
.rl-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--rl-ease);}
.rl-card:hover .rl-card-thumb img{transform:scale(1.04);}
.rl-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rl-card-title{font-size:16px;font-weight:600;line-height:1.6;color:var(--rl-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rl-card:hover .rl-card-title{color:var(--rl-primary);}
.rl-card-desc{font-size:14px;line-height:1.7;color:var(--rl-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rl-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--rl-text-3);padding-top:12px;border-top:1px solid var(--rl-line);}

/* 侧栏 */
.rl-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.rl-aside-card{background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-r-card);box-shadow:var(--rl-shadow);padding:22px 22px 24px;}
.rl-aside-title{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.rl-aside-title::before{content:"";width:3px;height:15px;border-radius:3px;background:var(--rl-primary);}
.rl-aside-list li + li{border-top:1px solid var(--rl-line);}
.rl-aside-list a{display:block;padding:12px 0;font-size:14.5px;color:var(--rl-text-2);line-height:1.6;}
.rl-aside-list a:hover{color:var(--rl-primary);}
.rl-aside-list .d{font-size:12.5px;color:var(--rl-text-3);display:block;margin-top:4px;}
.rl-aside-cta{background:linear-gradient(160deg,#0E2A44,#154E86);border:0;color:#fff;}
.rl-aside-cta h3{color:#fff;font-size:17px;margin-bottom:8px;}
.rl-aside-cta p{color:rgba(255,255,255,.78);font-size:14px;line-height:1.7;margin-bottom:16px;}
.rl-aside-cta .rl-btn{background:#fff;color:var(--rl-primary);width:100%;}
.rl-aside-cta .rl-btn:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);}

/* 底部 CTA 条 */
.rl-cta{background:var(--rl-dark);color:#fff;padding:72px 0;}
.rl-cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.rl-cta h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:14px;}
.rl-cta p{color:rgba(255,255,255,.76);font-size:15.5px;line-height:1.8;}
.rl-cta-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.rl-cta-list li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.85);font-size:15px;}
.rl-cta-list i{color:var(--rl-secondary);font-size:17px;line-height:1.7;}
.rl-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.rl-cta-actions .rl-btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.rl-cta-actions .rl-btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.rl-cta-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--rl-r-lg);padding:28px;}

/* 表单 */
.rl-field{margin-bottom:16px;}
.rl-field label{display:block;font-size:14px;font-weight:600;color:var(--rl-text);margin-bottom:7px;}
.rl-cta .rl-field label{color:rgba(255,255,255,.9);}
.rl-input,.rl-select,.rl-textarea{
  width:100%;min-height:46px;padding:11px 14px;
  border:1px solid var(--rl-line);border-radius:var(--rl-r);background:#fff;
  font-size:15px;color:var(--rl-text);font-family:inherit;line-height:1.5;
  transition:border-color var(--rl-t),box-shadow var(--rl-t);
}
.rl-textarea{min-height:96px;resize:vertical;}
.rl-input:focus,.rl-select:focus,.rl-textarea:focus{
  outline:none;border-color:var(--rl-primary);box-shadow:0 0 0 3px rgba(27,99,168,.15);
}
.rl-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235E6E7E'%3E%3Cpath d='M8 11 3 6h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:14px;padding-right:38px;}
.rl-hint{font-size:13px;color:var(--rl-text-3);line-height:1.7;margin-top:12px;}
.rl-cta .rl-hint{color:rgba(255,255,255,.6);}

/* 页脚 */
.rl-footer{background:var(--rl-dark);color:rgba(255,255,255,.7);padding:64px 0 26px;margin-top:0;border-top:1px solid rgba(255,255,255,.08);}
.rl-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.rl-footer-brand .rl-logo{color:#fff;margin-bottom:16px;}
.rl-footer-brand .rl-logo:hover{color:#fff;}
.rl-footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:360px;}
.rl-footer-contact{margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.55);}
.rl-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.rl-footer ul li{margin-bottom:10px;}
.rl-footer ul a{color:rgba(255,255,255,.7);font-size:14px;}
.rl-footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.rl-footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(27,99,168,.4);padding-top:20px;font-size:13px;color:rgba(255,255,255,.5);
}

/* 移动端抽屉与底部 Tab */
.rl-offcanvas{background:#fff;width:290px;}
.rl-offcanvas .offcanvas-header{border-bottom:1px solid var(--rl-line);}
.rl-offcanvas .offcanvas-body{padding:18px 20px 28px;}
.rl-off-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.rl-off-nav a{
  padding:13px 14px;border-radius:var(--rl-r);font-size:15px;font-weight:500;
  color:var(--rl-text-2);background:var(--rl-bg);
}
.rl-off-nav a:hover,.rl-off-nav a.active{background:var(--rl-primary-soft);color:var(--rl-primary);font-weight:600;}
.rl-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:flex;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--rl-line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px rgba(18,44,74,.06);
}
.rl-tab{
  flex:1;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:10.5px;color:var(--rl-text-3);position:relative;transition:color var(--rl-t);
}
.rl-tab i{font-size:19px;line-height:1;}
.rl-tab:hover{color:var(--rl-primary);}
.rl-tab.active{color:var(--rl-primary);font-weight:600;}
.rl-tab.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:0 0 2px 2px;background:var(--rl-primary);
}

/* 响应式 */
@media (max-width:1199.98px){
  .rl-article-grid{grid-template-columns:minmax(0,1fr) 290px;gap:32px;}
  .rl-article-body h2{font-size:24px;}
}
@media (max-width:991.98px){
  .rl-article-head h1{font-size:34px;}
  .rl-article-grid{grid-template-columns:1fr;gap:28px;}
  .rl-aside{position:static;}
  .rl-card-panel{padding:28px 24px;}
  .rl-after{padding:28px 24px;}
  .rl-rel-grid{grid-template-columns:repeat(2,1fr);}
  .rl-cta-grid{grid-template-columns:1fr;gap:32px;}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .rl-footer-brand{grid-column:1 / -1;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .rl-article-head{padding:32px 0 0;}
  .rl-article-head h1{font-size:28px;line-height:1.35;margin-bottom:14px;}
  .rl-article-main{padding:36px 0 64px;}
  .rl-card-panel{padding:22px 18px;border-radius:var(--rl-r-card);}
  .rl-after{padding:24px 18px;}
  .rl-article-body h2{font-size:22px;margin:32px 0 14px;}
  .rl-article-body h3{font-size:18.5px;}
  .rl-pager{grid-template-columns:1fr;}
  .rl-rel-grid{grid-template-columns:1fr;}
  .rl-cta{padding:52px 0;}
  .rl-cta h2{font-size:23px;}
  .rl-cta-panel{padding:22px 18px;}
  .rl-crumb .current{max-width:190px;}
  .rl-hero-figure{border-radius:var(--rl-r-card);margin-top:22px;}
}
@media (max-width:575.98px){
  .rl-article-head h1{font-size:26px;}
  .rl-btn{padding:11px 20px;font-size:14.5px;}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .rl-footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (min-width:992px){
  body{padding-bottom:0;}
  .rl-tabbar{display:none;}
}

/* roulang page: category1 */
:root{
  --bs-primary:#1B63A8;
  --bs-primary-rgb:27,99,168;
  --bs-link-color:#1B63A8;
  --bs-link-hover-color:#154E86;
  --bs-body-color:#22303D;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --rl-primary:#1B63A8;
  --rl-primary-dark:#154E86;
  --rl-primary-soft:#E8F1FA;
  --rl-mint:#0F9E8C;
  --rl-mint-soft:#E4F5F2;
  --rl-amber:#F2994A;
  --rl-amber-soft:#FEF1E4;
  --rl-bg:#F6F8FB;
  --rl-surface:#FFFFFF;
  --rl-surface-alt:#EEF3F9;
  --rl-text:#22303D;
  --rl-text-2:#5E6E7E;
  --rl-text-3:#8C9AA8;
  --rl-line:#E3EAF2;
  --rl-dark:#0E2A44;
  --rl-error:#D9534F;
  --rl-radius-btn:10px;
  --rl-radius-card:16px;
  --rl-radius-img:20px;
  --rl-radius-pill:999px;
  --rl-radius-tag:6px;
  --rl-shadow-card:0 1px 2px rgba(18,44,74,.05), 0 10px 28px rgba(18,44,74,.06);
  --rl-shadow-card-hover:0 14px 36px rgba(18,44,74,.12);
  --rl-shadow-btn:0 6px 16px rgba(27,99,168,.22);
  --rl-space-1:8px;
  --rl-space-2:16px;
  --rl-space-3:24px;
  --rl-space-4:32px;
  --rl-space-5:48px;
  --rl-space-6:80px;
  --rl-trans:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--rl-text);
  background:var(--rl-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0 0 var(--rl-space-3);color:var(--rl-text);font-weight:700;line-height:1.3}
h1{font-size:42px;letter-spacing:0;line-height:1.25}
h2{font-size:30px}
h3{font-size:20px;font-weight:600;line-height:1.45}
h4{font-size:17px;font-weight:600}
p{margin:0 0 var(--rl-space-2)}
a{color:var(--rl-primary);text-decoration:none;transition:color var(--rl-trans)}
a:hover{color:var(--rl-primary-dark)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(27,99,168,.22);border-radius:6px}

.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.rl-section{padding:96px 0}
.rl-section--tight{padding:72px 0}
.rl-section--alt{background:var(--rl-surface-alt)}
.rl-section--white{background:var(--rl-surface)}
.rl-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.rl-section-head p{margin:0;color:var(--rl-text-2);font-size:15px;max-width:620px}
.rl-eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--rl-primary);background:var(--rl-primary-soft);border-radius:var(--rl-radius-tag);padding:5px 12px;margin-bottom:16px}
.rl-lead{font-size:17px;color:var(--rl-text-2);line-height:1.85}

/* ===== 按钮 ===== */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--rl-radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:background var(--rl-trans),color var(--rl-trans),border-color var(--rl-trans),transform var(--rl-trans),box-shadow var(--rl-trans);
}
.rl-btn-primary{background:var(--rl-primary);color:#fff;box-shadow:var(--rl-shadow-btn)}
.rl-btn-primary:hover{background:var(--rl-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(27,99,168,.3)}
.rl-btn-primary:active{transform:translateY(0);box-shadow:var(--rl-shadow-btn)}
.rl-btn-ghost{background:#fff;color:var(--rl-primary);border-color:rgba(27,99,168,.45)}
.rl-btn-ghost:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);border-color:var(--rl-primary)}
.rl-btn-light{background:#fff;color:var(--rl-primary)}
.rl-btn-light:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark)}
.rl-btn-sm{padding:9px 18px;font-size:14px}
.rl-btn-lg{padding:15px 30px;font-size:16px}
.rl-btn-block{width:100%}
.rl-btn[disabled],.rl-btn.is-disabled{background:var(--rl-line);color:var(--rl-text-3);box-shadow:none;cursor:not-allowed;transform:none}
.rl-link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--rl-primary)}
.rl-link-arrow svg{width:16px;height:16px;transition:transform var(--rl-trans)}
.rl-link-arrow:hover svg{transform:translateX(3px)}

/* ===== 头部导航 ===== */
.rl-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--rl-line);transition:box-shadow var(--rl-trans)}
.rl-header.is-scrolled{box-shadow:0 6px 22px rgba(18,44,74,.08)}
.rl-header-inner{display:flex;align-items:center;gap:28px;min-height:74px;padding:11px 0;transition:min-height var(--rl-trans)}
.rl-header.is-scrolled .rl-header-inner{min-height:62px}
.rl-logo{display:inline-flex;align-items:center;gap:10px;color:var(--rl-text);flex-shrink:0}
.rl-logo:hover{color:var(--rl-primary)}
.rl-logo-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#1B63A8,#0F9E8C);box-shadow:0 6px 14px rgba(27,99,168,.25)}
.rl-logo-mark svg{width:20px;height:20px}
.rl-logo-text{font-size:19px;font-weight:700;letter-spacing:.5px}
.rl-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.rl-nav-link{position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--rl-text-2);border-radius:var(--rl-radius-btn);transition:color var(--rl-trans),background var(--rl-trans)}
.rl-nav-link:hover{color:var(--rl-primary);background:var(--rl-primary-soft)}
.rl-nav-link.active{color:var(--rl-primary);font-weight:600}
.rl-nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--rl-primary)}
.rl-header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.rl-nav + .rl-header-actions{margin-left:0}
.rl-menu-btn{width:42px;height:42px;border-radius:var(--rl-radius-btn);border:1px solid var(--rl-line);background:#fff;display:grid;place-items:center;color:var(--rl-text);cursor:pointer;transition:border-color var(--rl-trans),background var(--rl-trans)}
.rl-menu-btn:hover{border-color:var(--rl-primary);background:var(--rl-primary-soft);color:var(--rl-primary)}
.rl-menu-btn svg{width:22px;height:22px}

/* offcanvas 移动菜单 */
.rl-offcanvas{width:min(86vw,340px)}
.rl-offcanvas .offcanvas-header{border-bottom:1px solid var(--rl-line);padding:16px 20px}
.rl-offcanvas .offcanvas-body{padding:20px}
.rl-mobile-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.rl-mobile-nav a{display:block;padding:13px 14px;border-radius:var(--rl-radius-btn);color:var(--rl-text-2);font-size:16px;font-weight:500;transition:background var(--rl-trans),color var(--rl-trans)}
.rl-mobile-nav a:hover{background:var(--rl-primary-soft);color:var(--rl-primary)}
.rl-mobile-nav a.is-active{background:var(--rl-primary-soft);color:var(--rl-primary);font-weight:600}

/* ===== 面包屑 ===== */
.rl-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--rl-text-2);padding:20px 0 0}
.rl-breadcrumb a{color:var(--rl-text-2)}
.rl-breadcrumb a:hover{color:var(--rl-primary)}
.rl-breadcrumb .sep{color:var(--rl-text-3)}
.rl-breadcrumb .current{color:var(--rl-text)}

/* ===== Hero ===== */
.rl-page-hero{position:relative;overflow:hidden;padding:64px 0 76px;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center right}
.rl-page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.88) 46%,rgba(255,255,255,.66) 100%)}
.rl-page-hero .rl-container{position:relative;z-index:1}
.rl-hero-inner{max-width:660px}
.rl-page-hero h1{margin-bottom:18px}
.rl-page-hero p{font-size:17px;color:var(--rl-text-2);margin-bottom:28px;max-width:600px}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.rl-hero-facts{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:14px;color:var(--rl-text-2)}
.rl-hero-facts span{display:inline-flex;align-items:center;gap:8px}
.rl-hero-facts svg{width:16px;height:16px;color:var(--rl-mint);flex-shrink:0}

/* ===== 分类互链胶囊 ===== */
.rl-catbar{background:#fff;border-bottom:1px solid var(--rl-line)}
.rl-catbar-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.rl-catbar-inner::-webkit-scrollbar{display:none}
.rl-cat-pill{flex:0 0 auto;padding:8px 18px;border-radius:var(--rl-radius-pill);border:1px solid var(--rl-line);background:#fff;color:var(--rl-text-2);font-size:14px;font-weight:500;transition:all var(--rl-trans)}
.rl-cat-pill:hover{border-color:var(--rl-primary);color:var(--rl-primary);background:var(--rl-primary-soft)}
.rl-cat-pill.is-active{background:var(--rl-primary);border-color:var(--rl-primary);color:#fff;font-weight:600}

/* ===== 两栏通用 ===== */
.rl-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.rl-split--wide-left{grid-template-columns:1.05fr .95fr}

/* ===== 要点清单 ===== */
.rl-point-list{display:flex;flex-direction:column;gap:22px;margin-top:8px}
.rl-point{display:flex;gap:16px;padding-bottom:22px;border-bottom:1px solid var(--rl-line)}
.rl-point:last-child{border-bottom:none;padding-bottom:0}
.rl-point-icon{width:40px;height:40px;border-radius:12px;background:var(--rl-primary-soft);color:var(--rl-primary);display:grid;place-items:center;flex-shrink:0}
.rl-point-icon svg{width:20px;height:20px}
.rl-point h3{font-size:17px;margin-bottom:6px}
.rl-point p{margin:0;font-size:15px;color:var(--rl-text-2);line-height:1.75}

/* ===== 参数 / 对比表 ===== */
.rl-table-card{background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-radius-card);box-shadow:var(--rl-shadow-card);overflow:hidden}
.rl-table-card-head{padding:22px 24px;border-bottom:1px solid var(--rl-line);background:linear-gradient(180deg,#FBFDFF,#F4F8FC)}
.rl-table-card-head h3{margin:0 0 6px;font-size:18px}
.rl-table-card-head p{margin:0;font-size:14px;color:var(--rl-text-2)}
.rl-table-wrap{overflow-x:auto}
.rl-table{width:100%;min-width:520px;border-collapse:collapse;font-size:14.5px}
.rl-table th,.rl-table td{padding:14px 20px;text-align:left;border-bottom:1px solid var(--rl-line);vertical-align:top;line-height:1.65}
.rl-table thead th{background:var(--rl-surface-alt);color:var(--rl-text-2);font-weight:600;font-size:13.5px;white-space:nowrap}
.rl-table tbody tr{transition:background var(--rl-trans)}
.rl-table tbody tr:hover{background:#F7FAFD}
.rl-table tbody tr:last-child td{border-bottom:none}
.rl-table td:first-child{font-weight:600;color:var(--rl-text);white-space:nowrap}
.rl-table .rl-col-brand{background:rgba(232,241,250,.55);color:var(--rl-primary-dark);font-weight:600}
.rl-table-note{padding:16px 24px;font-size:13px;color:var(--rl-text-3);border-top:1px solid var(--rl-line);background:#FBFDFF}

/* ===== 数据指标行 ===== */
.rl-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-radius-card);box-shadow:var(--rl-shadow-card);overflow:hidden}
.rl-metric{padding:32px 28px;border-right:1px solid var(--rl-line)}
.rl-metric:last-child{border-right:none}
.rl-metric-num{font-size:34px;font-weight:700;color:var(--rl-primary);line-height:1.2;margin-bottom:8px}
.rl-metric-num em{font-style:normal;font-size:17px;font-weight:600;margin-left:4px;color:var(--rl-primary-dark)}
.rl-metric p{margin:0;font-size:14px;color:var(--rl-text-2);line-height:1.7}

/* ===== 图文区块 ===== */
.rl-media{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center}
.rl-media-img{border-radius:var(--rl-radius-img);overflow:hidden;box-shadow:var(--rl-shadow-card);aspect-ratio:16/11;background:var(--rl-surface-alt)}
.rl-media-img img{width:100%;height:100%;object-fit:cover}
.rl-tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.rl-tag{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--rl-radius-pill);background:var(--rl-primary-soft);color:var(--rl-primary-dark);font-size:13.5px;font-weight:500}
.rl-tag--mint{background:var(--rl-mint-soft);color:#0B7A6C}
.rl-tag--amber{background:var(--rl-amber-soft);color:#B96A1F}

/* ===== FAQ ===== */
.rl-faq{background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-radius-card);box-shadow:var(--rl-shadow-card);padding:8px 28px}
.rl-faq .accordion-item{border:none;border-bottom:1px solid var(--rl-line);background:transparent}
.rl-faq .accordion-item:last-child{border-bottom:none}
.rl-faq .accordion-button{
  background:transparent;border:none;box-shadow:none;padding:22px 0;font-size:17px;font-weight:600;color:var(--rl-text);
  display:flex;align-items:center;gap:16px;transition:color var(--rl-trans);
}
.rl-faq .accordion-button:hover{color:var(--rl-primary)}
.rl-faq .accordion-button:not(.collapsed){color:var(--rl-primary);background:transparent;box-shadow:none}
.rl-faq .accordion-button::after{
  margin-left:auto;width:22px;height:22px;background-size:22px;background-position:center;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231B63A8' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
}
.rl-faq .accordion-button:not(.collapsed)::after{
  transform:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231B63A8' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M5 12h14'/%3E%3C/svg%3E");
}
.rl-faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(27,99,168,.18);border-radius:8px}
.rl-faq .accordion-body{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--rl-text-2);max-width:860px}

/* ===== CTA ===== */
.rl-cta{background:var(--rl-dark);color:#fff;border-radius:var(--rl-radius-img);padding:56px 48px;position:relative;overflow:hidden}
.rl-cta::after{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(27,99,168,.55),rgba(27,99,168,0) 68%)}
.rl-cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.rl-cta h2{color:#fff;margin-bottom:14px}
.rl-cta p{color:rgba(255,255,255,.76);margin:0;font-size:15.5px;max-width:560px}
.rl-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.rl-cta-list{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:20px;font-size:14px;color:rgba(255,255,255,.7)}
.rl-cta-list span{display:inline-flex;align-items:center;gap:8px}
.rl-cta-list svg{width:15px;height:15px;color:var(--rl-mint)}

/* ===== 页脚 ===== */
.rl-footer{background:var(--rl-dark);color:rgba(255,255,255,.72);padding:72px 0 28px;border-top:1px solid rgba(27,99,168,.2)}
.rl-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.rl-footer .rl-logo{color:#fff;margin-bottom:18px}
.rl-footer .rl-logo:hover{color:#fff}
.rl-footer .rl-logo-text{color:#fff}
.rl-footer p{font-size:14px;line-height:1.85;margin-bottom:14px;max-width:400px}
.rl-footer-contact{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.9}
.rl-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.rl-footer ul{display:flex;flex-direction:column;gap:11px}
.rl-footer ul a{font-size:14px;color:rgba(255,255,255,.7);transition:color var(--rl-trans)}
.rl-footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.rl-footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:24px;font-size:13px;color:rgba(255,255,255,.55)}

/* ===== 底部 Tab ===== */
.rl-tabbar{position:fixed;left:0;right:0;bottom:0;z-index:1040;display:flex;background:#fff;border-top:1px solid var(--rl-line);box-shadow:0 -6px 20px rgba(18,44,74,.08);padding-bottom:env(safe-area-inset-bottom)}
.rl-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:58px;position:relative;font-size:11px;line-height:1.2;color:var(--rl-text-2);padding:0 2px;text-align:center}
.rl-tab svg{width:20px;height:20px}
.rl-tab.is-active{color:var(--rl-primary);font-weight:600}
.rl-tab.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:30px;height:2px;border-radius:0 0 2px 2px;background:var(--rl-primary)}
.rl-tab span{white-space:nowrap}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .rl-section{padding:80px 0}
  h1{font-size:38px}
  h2{font-size:28px}
}
@media (max-width:991.98px){
  body{padding-bottom:calc(58px + env(safe-area-inset-bottom))}
  .rl-section{padding:64px 0}
  .rl-section--tight{padding:56px 0}
  .rl-split,.rl-split--wide-left{grid-template-columns:1fr;gap:36px}
  .rl-media{grid-template-columns:1fr;gap:32px}
  .rl-media-img{order:-1}
  .rl-cta{padding:44px 32px}
  .rl-cta-inner{grid-template-columns:1fr;gap:28px}
  .rl-cta-actions{justify-content:flex-start}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rl-footer-brand{grid-column:1 / -1}
  .rl-page-hero{padding:48px 0 56px;background-position:center}
  .rl-page-hero::before{background:linear-gradient(180deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 70%,rgba(255,255,255,.86) 100%)}
}
@media (max-width:767.98px){
  .rl-container{padding:0 20px}
  h1{font-size:29px}
  h2{font-size:23px}
  h3{font-size:18px}
  .rl-section{padding:56px 0}
  .rl-section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .rl-metrics{grid-template-columns:1fr}
  .rl-metric{border-right:none;border-bottom:1px solid var(--rl-line);padding:24px 22px}
  .rl-metric:last-child{border-bottom:none}
  .rl-metric-num{font-size:29px}
  .rl-hero-actions .rl-btn{width:100%}
  .rl-faq{padding:4px 20px}
  .rl-faq .accordion-button{font-size:16px;padding:18px 0}
  .rl-cta{padding:36px 22px;border-radius:16px}
  .rl-cta-actions .rl-btn{width:100%}
  .rl-footer{padding-top:52px}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .rl-table th,.rl-table td{padding:12px 16px;font-size:14px}
}
@media (max-width:575.98px){
  .rl-footer-grid{grid-template-columns:1fr}
  .rl-footer-bottom{flex-direction:column;gap:6px}
  .rl-hero-facts{gap:8px 18px}
}

/* roulang page: category2 */
:root{
  --rl-primary:#1B63A8;
  --rl-primary-dark:#154E86;
  --rl-primary-soft:#E8F1FA;
  --rl-accent:#0F9E8C;
  --rl-accent-soft:#E4F5F2;
  --rl-warm:#F2994A;
  --rl-warm-soft:#FEF1E4;
  --rl-bg:#F6F8FB;
  --rl-bg-alt:#EEF3F9;
  --rl-surface:#FFFFFF;
  --rl-text:#22303D;
  --rl-text-2:#5E6E7E;
  --rl-text-3:#8C9AA8;
  --rl-line:#E3EAF2;
  --rl-dark:#0E2A44;
  --rl-on-dark:rgba(255,255,255,.68);
  --rl-on-dark-soft:rgba(255,255,255,.14);
  --rl-r-tag:6px;
  --rl-r-btn:10px;
  --rl-r-card:16px;
  --rl-r-img:20px;
  --rl-r-pill:999px;
  --rl-shadow-1:0 1px 2px rgba(18,44,74,.05),0 10px 28px rgba(18,44,74,.06);
  --rl-shadow-2:0 14px 36px rgba(18,44,74,.12);
  --rl-shadow-btn:0 6px 16px rgba(27,99,168,.22);
  --rl-ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--rl-text);
  background:var(--rl-bg);
}
img{max-width:100%;display:block}
a{color:var(--rl-primary);text-decoration:none;transition:color .2s var(--rl-ease)}
a:hover{color:var(--rl-primary-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--rl-text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(27,99,168,.35);outline-offset:2px;border-radius:4px}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--rl-r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background-color .2s var(--rl-ease),color .2s var(--rl-ease),box-shadow .2s var(--rl-ease),transform .2s var(--rl-ease),border-color .2s var(--rl-ease);
}
.rl-btn-primary{background:var(--rl-primary);color:#fff;box-shadow:var(--rl-shadow-btn)}
.rl-btn-primary:hover{background:var(--rl-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(27,99,168,.28)}
.rl-btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(27,99,168,.22)}
.rl-btn-ghost{background:#fff;color:var(--rl-primary);border-color:var(--rl-primary)}
.rl-btn-ghost:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);border-color:var(--rl-primary-dark)}
.rl-btn-sm{padding:9px 18px;font-size:14px}
.rl-btn-block{width:100%}
.rl-btn:disabled{background:var(--rl-line);color:var(--rl-text-3);box-shadow:none;cursor:not-allowed}

/* ---------- 头部导航 ---------- */
.rl-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--rl-line);
  transition:box-shadow .2s var(--rl-ease);
}
.rl-header.is-scrolled{box-shadow:0 6px 20px rgba(18,44,74,.08)}
.rl-header-inner{display:flex;align-items:center;gap:20px;min-height:72px;transition:min-height .2s var(--rl-ease)}
.rl-header.is-scrolled .rl-header-inner{min-height:62px}
.rl-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.rl-logo{display:inline-flex;align-items:center;gap:10px}
.rl-logo-mark{
  width:36px;height:36px;border-radius:11px;background:var(--rl-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 14px rgba(27,99,168,.25);
}
.rl-logo-mark svg{width:20px;height:20px}
.rl-logo-text{font-size:19px;font-weight:700;color:var(--rl-text);letter-spacing:.2px}
.rl-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.rl-nav-link{
  position:relative;padding:8px 14px;font-size:15px;font-weight:500;
  color:var(--rl-text-2);border-radius:8px;transition:color .2s var(--rl-ease),background-color .2s var(--rl-ease);
}
.rl-nav-link:hover{color:var(--rl-primary);background:var(--rl-primary-soft)}
.rl-nav-link.active{color:var(--rl-primary);font-weight:600}
.rl-nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;
  border-radius:2px;background:var(--rl-primary);
}
.rl-header-actions{display:flex;align-items:center;gap:12px;margin-left:8px}
.rl-burger{
  width:42px;height:42px;margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--rl-line);border-radius:10px;color:var(--rl-text);
  transition:border-color .2s var(--rl-ease),color .2s var(--rl-ease),background-color .2s var(--rl-ease);
}
.rl-burger:hover{border-color:var(--rl-primary);color:var(--rl-primary);background:var(--rl-primary-soft)}
.rl-offcanvas{max-width:322px;background:#fff}
.rl-offcanvas .offcanvas-header{border-bottom:1px solid var(--rl-line);padding:16px 22px}
.rl-offcanvas .offcanvas-body{padding:16px 22px 28px}
.rl-mnav-link{
  display:block;padding:14px 12px;border-radius:10px;font-size:16px;font-weight:500;
  color:var(--rl-text);border-bottom:1px solid var(--rl-line);
}
.rl-mnav-link:last-of-type{border-bottom:0}
.rl-mnav-link:hover{color:var(--rl-primary);background:var(--rl-primary-soft)}
.rl-mnav-link.active{color:var(--rl-primary);background:var(--rl-primary-soft);font-weight:600}
.rl-offcanvas .btn-close:focus{box-shadow:0 0 0 3px rgba(27,99,168,.2)}

/* ---------- 通用区块 ---------- */
.rl-section{padding:96px 0}
.rl-section-alt{background:var(--rl-surface)}
.rl-eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--rl-primary);
  background:var(--rl-primary-soft);padding:5px 12px;border-radius:var(--rl-r-pill);margin-bottom:14px;
}
.rl-section-head{max-width:760px;margin-bottom:34px}
.rl-section-head h2{font-size:30px}
.rl-section-head p{margin-top:14px;color:var(--rl-text-2);font-size:16px}

/* ---------- 面包屑 ---------- */
.rl-crumb{margin-bottom:18px}
.rl-crumb ol{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--rl-text-2);line-height:1.6}
.rl-crumb li{display:flex;align-items:center}
.rl-crumb li+li::before{content:"›";padding:0 8px;color:var(--rl-text-3);font-size:13px}
.rl-crumb a{color:var(--rl-text-2)}
.rl-crumb a:hover{color:var(--rl-primary)}
.rl-crumb [aria-current="page"]{color:var(--rl-text)}

/* ---------- 页面标题带 ---------- */
.rl-pagehead{
  background:linear-gradient(180deg,var(--rl-bg-alt) 0%,var(--rl-bg) 100%);
  border-bottom:1px solid var(--rl-line);
  padding:40px 0 46px;
}
.rl-pagehead h1{font-size:42px;letter-spacing:0;margin-bottom:16px;max-width:820px}
.rl-pagehead-lead{font-size:17px;color:var(--rl-text-2);max-width:760px}
.rl-chipnav{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.rl-chip{
  display:inline-flex;align-items:center;padding:9px 18px;border-radius:var(--rl-r-pill);
  background:#fff;border:1px solid var(--rl-line);font-size:14px;font-weight:500;color:var(--rl-text-2);
  transition:color .2s var(--rl-ease),border-color .2s var(--rl-ease),background-color .2s var(--rl-ease),transform .2s var(--rl-ease);
}
.rl-chip:hover{color:var(--rl-primary);border-color:var(--rl-primary);transform:translateY(-1px)}
.rl-chip.active{background:var(--rl-primary);border-color:var(--rl-primary);color:#fff;font-weight:600}

/* ---------- 交付流程时间线 ---------- */
.rl-steps{margin-top:44px}
.rl-step{position:relative;display:flex;gap:26px;padding-bottom:32px}
.rl-step:last-child{padding-bottom:0}
.rl-step::before{
  content:"";position:absolute;left:26px;top:62px;bottom:0;width:2px;
  background:var(--rl-line);
}
.rl-step:last-child::before{display:none}
.rl-step-dot{
  flex:0 0 54px;width:54px;height:54px;border-radius:50%;
  background:#fff;border:2px solid var(--rl-primary);color:var(--rl-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;position:relative;z-index:1;
  transition:background-color .2s var(--rl-ease),color .2s var(--rl-ease);
}
.rl-step:first-child .rl-step-dot{background:var(--rl-primary);color:#fff}
.rl-step-card{
  flex:1;background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-r-card);
  padding:24px 28px;box-shadow:var(--rl-shadow-1);
  transition:transform .2s var(--rl-ease),box-shadow .2s var(--rl-ease),border-color .2s var(--rl-ease);
}
.rl-step-card:hover{transform:translateY(-3px);box-shadow:var(--rl-shadow-2);border-color:#CFE0F1}
.rl-step-card h3{font-size:20px;font-weight:600}
.rl-step-card p{margin-top:10px;font-size:15px;color:var(--rl-text-2)}
.rl-step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.rl-step-meta li{font-size:13px;color:var(--rl-text-2);background:var(--rl-bg-alt);padding:4px 10px;border-radius:var(--rl-r-tag)}

/* ---------- 图文交替 ---------- */
.rl-split{
  display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;
  padding:56px 0;border-top:1px solid var(--rl-line);
}
.rl-split:first-of-type{border-top:0;padding-top:0}
.rl-split:last-of-type{padding-bottom:0}
.rl-split-media{border-radius:var(--rl-r-img);overflow:hidden;box-shadow:var(--rl-shadow-1);aspect-ratio:16/11;background:var(--rl-bg-alt)}
.rl-split-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--rl-ease)}
.rl-split-media:hover img{transform:scale(1.03)}
.rl-split-reverse .rl-split-media{order:2}
.rl-split-reverse .rl-split-body{order:1}
.rl-split-body h2{font-size:30px;margin-top:6px}
.rl-split-body p{margin-top:14px;color:var(--rl-text-2);font-size:16px}
.rl-tag{
  display:inline-block;font-size:13px;font-weight:600;color:var(--rl-accent);
  background:var(--rl-accent-soft);padding:4px 10px;border-radius:var(--rl-r-tag);
}
.rl-check-list{margin-top:18px;display:grid;gap:10px}
.rl-check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--rl-text-2)}
.rl-check-list li::before{
  content:"";position:absolute;left:0;top:5px;width:16px;height:16px;border-radius:50%;
  background:var(--rl-accent-soft);border:1px solid rgba(15,158,140,.35);
}
.rl-check-list li::after{
  content:"";position:absolute;left:5px;top:9px;width:6px;height:3px;
  border-left:2px solid var(--rl-accent);border-bottom:2px solid var(--rl-accent);transform:rotate(-45deg);
}

/* ---------- 胶囊墙 ---------- */
.rl-pillwall{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.rl-pillwall-item{
  display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:var(--rl-r-pill);
  background:#fff;border:1px solid var(--rl-line);font-size:15px;color:var(--rl-text);
  box-shadow:0 1px 2px rgba(18,44,74,.04);
  transition:transform .2s var(--rl-ease),box-shadow .2s var(--rl-ease),border-color .2s var(--rl-ease),color .2s var(--rl-ease);
}
.rl-pillwall-item::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--rl-accent);flex:0 0 auto}
.rl-pillwall-item:nth-child(even){margin-top:16px}
.rl-pillwall-item:hover{transform:translateY(-3px);border-color:var(--rl-primary);color:var(--rl-primary);box-shadow:var(--rl-shadow-1)}

/* ---------- 数据指标带 ---------- */
.rl-metrics-band{background:var(--rl-dark);padding:58px 0}
.rl-metrics{display:grid;grid-template-columns:repeat(3,1fr)}
.rl-metric{padding:0 36px;border-left:1px solid var(--rl-on-dark-soft)}
.rl-metric:first-child{border-left:0;padding-left:0}
.rl-metric-num{font-size:44px;font-weight:700;color:#fff;line-height:1.15;letter-spacing:-.5px}
.rl-metric-num span{font-size:16px;font-weight:600;margin-left:4px;color:var(--rl-on-dark)}
.rl-metric p{margin-top:8px;font-size:13px;color:var(--rl-on-dark)}

/* ---------- CTA 与表单 ---------- */
.rl-cta{background:var(--rl-bg-alt);padding:80px 0}
.rl-cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.rl-cta-copy h2{font-size:30px}
.rl-cta-copy p{margin-top:16px;color:var(--rl-text-2)}
.rl-cta-points{margin-top:22px;display:grid;gap:12px}
.rl-cta-points li{position:relative;padding-left:26px;font-size:15px;color:var(--rl-text)}
.rl-cta-points li::before{
  content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--rl-primary-soft);border:1px solid rgba(27,99,168,.3);
}
.rl-cta-points li::after{
  content:"";position:absolute;left:5px;top:10px;width:6px;height:3px;
  border-left:2px solid var(--rl-primary);border-bottom:2px solid var(--rl-primary);transform:rotate(-45deg);
}
.rl-cta-note{
  margin-top:26px;font-size:14px;color:var(--rl-text-2);background:#fff;border:1px solid var(--rl-line);
  border-radius:var(--rl-r-card);padding:16px 20px;
}
.rl-form{background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-r-img);padding:32px;box-shadow:var(--rl-shadow-1)}
.rl-field{margin-bottom:18px}
.rl-label{display:block;font-size:14px;font-weight:600;color:var(--rl-text);margin-bottom:8px}
.rl-input,.rl-textarea,.rl-select{
  width:100%;background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-r-btn);
  font-size:15px;color:var(--rl-text);transition:border-color .2s var(--rl-ease),box-shadow .2s var(--rl-ease);
}
.rl-input,.rl-select{height:48px;padding:0 14px}
.rl-textarea{padding:12px 14px;min-height:112px;line-height:1.7;resize:vertical}
.rl-input::placeholder,.rl-textarea::placeholder{color:var(--rl-text-3)}
.rl-input:focus,.rl-textarea:focus,.rl-select:focus{outline:none;border-color:var(--rl-primary);box-shadow:0 0 0 3px rgba(27,99,168,.15)}
.rl-select{
  appearance:none;-webkit-appearance:none;padding-right:42px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%235E6E7E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px 16px;
}
.rl-form-note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--rl-text-3)}
.rl-form-msg{
  margin-top:14px;font-size:14px;color:var(--rl-accent);background:var(--rl-accent-soft);
  border-radius:var(--rl-r-btn);padding:12px 16px;
}

/* ---------- 页脚 ---------- */
.rl-footer{background:var(--rl-dark);border-top:1px solid rgba(27,99,168,.2);padding:64px 0 0;color:var(--rl-on-dark)}
.rl-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.rl-footer .rl-logo-text{color:#fff;font-size:18px}
.rl-footer .rl-logo-mark{background:rgba(255,255,255,.12);box-shadow:none;color:#fff}
.rl-footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:var(--rl-on-dark);max-width:340px}
.rl-footer-contact{font-size:13px !important;color:rgba(255,255,255,.55) !important}
.rl-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px}
.rl-footer ul li{margin-bottom:10px}
.rl-footer ul a{font-size:14px;color:rgba(255,255,255,.7)}
.rl-footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.rl-footer-bottom{
  border-top:1px solid var(--rl-on-dark-soft);padding:18px 0 22px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 移动端底部 Tab ---------- */
.rl-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.98);border-top:1px solid var(--rl-line);
  box-shadow:0 -6px 18px rgba(18,44,74,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.rl-tab{
  position:relative;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;font-size:10.5px;line-height:1.2;color:var(--rl-text-3);
  transition:color .2s var(--rl-ease);
}
.rl-tab svg{width:20px;height:20px}
.rl-tab:hover{color:var(--rl-primary)}
.rl-tab.active{color:var(--rl-primary);font-weight:600}
.rl-tab.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:0 0 2px 2px;background:var(--rl-primary);
}

@media (max-width:1199.98px){
  .rl-pagehead h1{font-size:38px}
  .rl-split{gap:44px}
}
@media (max-width:991.98px){
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
  .rl-section{padding:72px 0}
  .rl-pagehead{padding:32px 0 38px}
  .rl-pagehead h1{font-size:34px}
  .rl-split{grid-template-columns:1fr;gap:28px;padding:44px 0}
  .rl-split-reverse .rl-split-media{order:0}
  .rl-split-reverse .rl-split-body{order:1}
  .rl-cta{padding:64px 0}
  .rl-cta-grid{grid-template-columns:1fr;gap:36px}
  .rl-metric{padding:0 24px}
  .rl-metric-num{font-size:38px}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rl-footer-brand{grid-column:1 / -1}
}
@media (max-width:767.98px){
  .rl-container{padding:0 20px}
  .rl-section{padding:64px 0}
  .rl-pagehead h1{font-size:29px}
  .rl-pagehead-lead{font-size:16px}
  .rl-section-head h2,.rl-split-body h2,.rl-cta-copy h2{font-size:23px}
  .rl-step{gap:16px;padding-bottom:24px}
  .rl-step::before{left:20px;top:52px}
  .rl-step-dot{flex:0 0 44px;width:44px;height:44px;font-size:14px}
  .rl-step-card{padding:20px 20px}
  .rl-step-card h3{font-size:17px}
  .rl-metrics{grid-template-columns:1fr;gap:0}
  .rl-metric{padding:20px 0;border-left:0;border-top:1px solid var(--rl-on-dark-soft)}
  .rl-metric:first-child{border-top:0;padding-top:0}
  .rl-metrics-band{padding:44px 0}
  .rl-pillwall{gap:10px;margin-top:26px}
  .rl-pillwall-item{padding:11px 16px;font-size:14px}
  .rl-pillwall-item:nth-child(even){margin-top:0}
  .rl-form{padding:22px 20px}
  .rl-cta{padding:56px 0}
  .rl-footer{padding-top:48px}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:36px}
  .rl-footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:575.98px){
  .rl-pagehead h1{font-size:26px}
  .rl-chipnav{gap:8px}
  .rl-chip{padding:8px 14px;font-size:13px}
}

/* roulang page: category3 */
:root{
  --rl-primary:#1B63A8;
  --rl-primary-dark:#154E86;
  --rl-primary-soft:#E8F1FA;
  --rl-accent:#0F9E8C;
  --rl-accent-soft:#E4F5F2;
  --rl-warm:#F2994A;
  --rl-warm-soft:#FEF1E4;
  --rl-bg:#F6F8FB;
  --rl-bg-alt:#EEF3F9;
  --rl-card:#FFFFFF;
  --rl-text:#22303D;
  --rl-text-2:#5E6E7E;
  --rl-text-3:#8C9AA8;
  --rl-line:#E3EAF2;
  --rl-dark:#0E2A44;
  --rl-danger:#D9534F;
  --rl-font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --rl-radius-btn:10px;
  --rl-radius-card:16px;
  --rl-radius-img:20px;
  --rl-radius-pill:999px;
  --rl-radius-tag:6px;
  --rl-shadow-card:0 1px 2px rgba(18,44,74,.05),0 10px 28px rgba(18,44,74,.06);
  --rl-shadow-card-hover:0 14px 36px rgba(18,44,74,.12);
  --rl-shadow-btn:0 6px 16px rgba(27,99,168,.22);
  --rl-ease:cubic-bezier(.2,.7,.3,1);
  --rl-t:200ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#1B63A8;
  --bs-primary-rgb:27,99,168;
  --bs-link-color:#1B63A8;
  --bs-link-hover-color:#154E86;
  --bs-body-color:#22303D;
  --bs-body-bg:#F6F8FB;
  --bs-font-sans-serif:var(--rl-font);
  --bs-border-color:#E3EAF2;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--rl-font);
  font-size:16px;
  line-height:1.8;
  color:var(--rl-text);
  background:var(--rl-bg);
  padding-bottom:calc(56px + env(safe-area-inset-bottom) + 16px);
  overflow-x:hidden;
}
@media (min-width:992px){body{padding-bottom:0;}}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--rl-primary);text-decoration:none;transition:color var(--rl-t),background-color var(--rl-t),border-color var(--rl-t);}
a:hover{color:var(--rl-primary-dark);}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(27,99,168,.22);outline-offset:2px;}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.rl-section{padding:96px 0;}
.rl-section--alt{background:var(--rl-bg-alt);}
.rl-section-head{max-width:760px;}
.rl-section-head h2{font-size:clamp(22px,3vw,32px);}
.rl-section-head p{margin-top:14px;font-size:15.5px;color:var(--rl-text-2);}
.rl-eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--rl-primary);letter-spacing:.04em;margin-bottom:12px;}

/* 导航 */
.rl-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.6) blur(10px);border-bottom:1px solid var(--rl-line);transition:box-shadow var(--rl-t);}
.rl-header.is-scrolled{box-shadow:0 8px 24px rgba(18,44,74,.08);}
.rl-header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height var(--rl-t);}
.rl-header.is-scrolled .rl-header-inner{height:62px;}
.rl-logo{display:inline-flex;align-items:center;gap:10px;color:var(--rl-text);font-weight:700;}
.rl-logo:hover{color:var(--rl-text);}
.rl-logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--rl-primary),var(--rl-accent));color:#fff;display:inline-flex;align-items:center;justify-content:center;flex:none;}
.rl-logo-mark svg{width:18px;height:18px;}
.rl-logo-text{font-size:18px;}
.rl-nav{align-items:center;gap:4px;}
.rl-nav-link{position:relative;display:inline-block;padding:10px 14px;font-size:15px;color:var(--rl-text-2);font-weight:500;border-radius:8px;}
.rl-nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--rl-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--rl-t);}
.rl-nav-link:hover{color:var(--rl-primary);background:var(--rl-primary-soft);}
.rl-nav-link:hover::after{transform:scaleX(1);}
.rl-nav-link.active{color:var(--rl-primary);font-weight:600;}
.rl-nav-link.active::after{transform:scaleX(1);}
.rl-header-cta{align-items:center;}
.rl-menu-btn{width:42px;height:42px;border-radius:10px;border:1px solid var(--rl-line);background:#fff;color:var(--rl-text);display:inline-flex;align-items:center;justify-content:center;transition:all var(--rl-t);}
.rl-menu-btn:hover{border-color:var(--rl-primary);color:var(--rl-primary);background:var(--rl-primary-soft);}
.rl-menu-btn svg{width:20px;height:20px;}
.offcanvas.rl-offcanvas{width:300px;}
.rl-offcanvas .offcanvas-header{border-bottom:1px solid var(--rl-line);padding:18px 20px;}
.rl-offcanvas .offcanvas-body{padding:8px 20px 24px;}
.rl-menu-list li a{display:block;padding:14px 0;border-bottom:1px solid var(--rl-line);font-size:16px;color:var(--rl-text);}
.rl-menu-list li a.active{color:var(--rl-primary);font-weight:600;}
.rl-offcanvas-cta{margin-top:22px;}

/* 底部 Tab */
.rl-tabbar{position:fixed;left:0;right:0;bottom:0;z-index:1040;display:flex;background:rgba(255,255,255,.98);border-top:1px solid var(--rl-line);box-shadow:0 -6px 20px rgba(18,44,74,.06);padding-bottom:env(safe-area-inset-bottom);}
.rl-tab-item{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;height:56px;font-size:11px;color:var(--rl-text-3);}
.rl-tab-item svg{width:20px;height:20px;}
.rl-tab-item.active{color:var(--rl-primary);font-weight:600;}
.rl-tab-item.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:28px;height:2px;border-radius:0 0 3px 3px;background:var(--rl-primary);}
@media (min-width:992px){.rl-tabbar{display:none;}}

/* 按钮 */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--rl-radius-btn);font-size:15px;font-weight:600;line-height:1.4;border:1px solid transparent;cursor:pointer;transition:all var(--rl-t);}
.rl-btn-primary{background:var(--rl-primary);color:#fff;box-shadow:var(--rl-shadow-btn);}
.rl-btn-primary:hover{background:var(--rl-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(27,99,168,.28);}
.rl-btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(27,99,168,.24);}
.rl-btn-ghost{background:#fff;color:var(--rl-primary);border-color:rgba(27,99,168,.42);}
.rl-btn-ghost:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);border-color:var(--rl-primary);}
.rl-btn-light{background:#fff;color:var(--rl-primary);}
.rl-btn-light:hover{background:var(--rl-primary-soft);color:var(--rl-primary-dark);transform:translateY(-1px);}
.rl-btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.rl-btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.rl-btn-sm{padding:9px 18px;font-size:14px;}
.rl-btn:disabled{background:var(--rl-line);color:var(--rl-text-3);box-shadow:none;cursor:not-allowed;transform:none;}
.rl-link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--rl-primary);}
.rl-link-more svg{width:16px;height:16px;transition:transform var(--rl-t);}
.rl-link-more:hover svg{transform:translateX(3px);}

/* 面包屑 */
.rl-breadcrumb{font-size:13px;color:var(--rl-text-2);padding:26px 0 22px;}
.rl-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.rl-breadcrumb li{display:inline-flex;align-items:center;}
.rl-breadcrumb li+li::before{content:"›";margin-right:6px;color:var(--rl-text-3);}
.rl-breadcrumb a{color:var(--rl-text-2);}
.rl-breadcrumb a:hover{color:var(--rl-primary);}
.rl-breadcrumb li[aria-current="page"]{color:var(--rl-text);}

/* Hero */
.rl-hero{padding-bottom:0;}
.rl-hero-media{position:relative;border-radius:var(--rl-radius-img);overflow:hidden;box-shadow:var(--rl-shadow-card);}
.rl-hero-media img{width:100%;height:clamp(220px,32vw,400px);object-fit:cover;}
.rl-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,42,68,0) 52%,rgba(14,42,68,.34));}
.rl-hero-copy{padding:36px 0 0;max-width:860px;}
.rl-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--rl-radius-pill);background:var(--rl-primary-soft);color:var(--rl-primary);font-size:13px;font-weight:600;margin-bottom:16px;}
.rl-hero-copy h1{font-size:clamp(28px,4.2vw,44px);line-height:1.25;margin-bottom:18px;}
.rl-hero-copy>p{font-size:17px;color:var(--rl-text-2);max-width:740px;}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.rl-hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:24px;font-size:14px;color:var(--rl-text-2);}
.rl-hero-points li{display:flex;align-items:center;gap:8px;}
.rl-hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--rl-accent);flex:none;}

/* 数据指标 */
.rl-metrics-section{padding:76px 0 0;}
.rl-metrics{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rl-line);border-bottom:1px solid var(--rl-line);}
.rl-metric{padding:34px 30px;border-left:1px solid var(--rl-line);}
.rl-metric:first-child{border-left:none;padding-left:0;}
.rl-metric-num{display:block;font-size:clamp(30px,4vw,44px);font-weight:700;color:var(--rl-primary);line-height:1.1;}
.rl-metric-num em{font-size:16px;font-style:normal;font-weight:600;color:var(--rl-text-2);margin-left:6px;}
.rl-metric p{margin-top:10px;font-size:14px;color:var(--rl-text-2);}

/* 场景卡片 */
.rl-scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:48px;}
.rl-scene-card{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-radius-card);box-shadow:var(--rl-shadow-card);overflow:hidden;transition:transform var(--rl-t),box-shadow var(--rl-t);}
.rl-scene-card:nth-child(even){margin-top:40px;}
.rl-scene-card:hover{transform:translateY(-3px);box-shadow:var(--rl-shadow-card-hover);}
.rl-scene-card img{width:100%;height:196px;object-fit:cover;}
.rl-scene-body{padding:24px;display:flex;flex-direction:column;gap:10px;}
.rl-scene-body h3{font-size:19px;}
.rl-scene-body p{font-size:15px;color:var(--rl-text-2);}

/* 对比表 */
.rl-table-wrap{margin-top:36px;background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-radius-card);box-shadow:var(--rl-shadow-card);overflow-x:auto;}
.rl-table{width:100%;min-width:780px;border-collapse:collapse;font-size:15px;}
.rl-table th,.rl-table td{padding:18px 22px;text-align:left;border-bottom:1px solid var(--rl-line);vertical-align:top;}
.rl-table thead th{background:var(--rl-bg-alt);font-size:14px;font-weight:600;color:var(--rl-text-2);white-space:nowrap;}
.rl-table tbody th{font-weight:600;color:var(--rl-text);white-space:nowrap;width:170px;}
.rl-table tbody tr:hover{background:var(--rl-primary-soft);}
.rl-table tbody tr:last-child th,.rl-table tbody tr:last-child td{border-bottom:none;}
.rl-table .rl-col-rec{background:rgba(232,241,250,.6);}
.rl-table-tip{margin-top:14px;font-size:13px;color:var(--rl-text-3);}

/* 胶囊墙 */
.rl-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.rl-pill{padding:9px 18px;border-radius:var(--rl-radius-pill);background:#fff;border:1px solid var(--rl-line);font-size:14px;color:var(--rl-text-2);transition:all var(--rl-t);}
.rl-pill:hover{border-color:var(--rl-primary);color:var(--rl-primary);background:var(--rl-primary-soft);transform:translateY(-2px);}
.rl-pill--accent{background:var(--rl-accent-soft);border-color:rgba(15,158,140,.25);color:#0B7C6E;}
.rl-pill--warm{background:var(--rl-warm-soft);border-color:rgba(242,153,74,.3);color:#C57525;}

/* FAQ */
.rl-faq{margin-top:40px;border-top:1px solid var(--rl-line);}
.rl-faq .accordion-item{border:none;border-bottom:1px solid var(--rl-line);background:transparent;}
.rl-faq .accordion-header{margin:0;}
.rl-faq .accordion-button{font-size:17px;font-weight:600;color:var(--rl-text);padding:22px 46px 22px 0;background:transparent;border-radius:0;box-shadow:none;}
.rl-faq .accordion-button:not(.collapsed){color:var(--rl-primary);background:transparent;}
.rl-faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.rl-faq .accordion-button:focus-visible{outline:3px solid rgba(27,99,168,.22);outline-offset:-2px;}
.rl-faq .accordion-button::after{background-image:none;background:linear-gradient(var(--rl-primary),var(--rl-primary)) center/16px 2px no-repeat,linear-gradient(var(--rl-primary),var(--rl-primary)) center/2px 16px no-repeat;width:16px;height:16px;transition:transform var(--rl-t);}
.rl-faq .accordion-button:not(.collapsed)::after{background:linear-gradient(var(--rl-primary),var(--rl-primary)) center/16px 2px no-repeat;transform:rotate(180deg);}
.rl-faq .accordion-body{padding:0 70px 24px 0;font-size:15px;line-height:1.85;color:var(--rl-text-2);}

/* CTA */
.rl-cta{background:var(--rl-dark);color:#fff;padding:76px 0;position:relative;overflow:hidden;border-top:1px solid rgba(27,99,168,.2);}
.rl-cta::before{content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(27,99,168,.55),rgba(27,99,168,0) 70%);}
.rl-cta::after{content:"";position:absolute;left:-120px;bottom:-160px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(15,158,140,.28),rgba(15,158,140,0) 70%);}
.rl-cta-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.rl-cta h2{font-size:clamp(24px,3vw,32px);}
.rl-cta p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.78);}
.rl-cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.rl-cta-points{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:rgba(255,255,255,.72);}
.rl-cta-points li{display:flex;align-items:center;gap:8px;}
.rl-cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--rl-warm);flex:none;}

/* 相关阅读 */
.rl-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px;}
.rl-card{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-radius-card);box-shadow:var(--rl-shadow-card);overflow:hidden;display:flex;flex-direction:column;transition:transform var(--rl-t),box-shadow var(--rl-t);}
.rl-card:hover{transform:translateY(-3px);box-shadow:var(--rl-shadow-card-hover);}
.rl-card-media{aspect-ratio:16/10;overflow:hidden;}
.rl-card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--rl-ease);}
.rl-card:hover .rl-card-media img{transform:scale(1.04);}
.rl-card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rl-card-body h3{font-size:18px;line-height:1.5;transition:color var(--rl-t);}
.rl-card:hover .rl-card-body h3{color:var(--rl-primary);}
.rl-card-body p{font-size:14.5px;color:var(--rl-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rl-card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--rl-text-3);}
.rl-tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--rl-radius-tag);background:var(--rl-primary-soft);color:var(--rl-primary);font-size:13px;font-weight:600;}
.rl-card-arrow{display:inline-flex;align-items:center;gap:4px;color:var(--rl-primary);font-weight:600;font-size:13px;}
.rl-card-arrow svg{width:14px;height:14px;transition:transform var(--rl-t);}
.rl-card:hover .rl-card-arrow svg{transform:translateX(3px);}

/* 页脚 */
.rl-footer{background:var(--rl-dark);color:rgba(255,255,255,.72);padding:64px 0 28px;border-top:1px solid rgba(27,99,168,.2);}
.rl-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.rl-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.rl-footer p{font-size:14px;line-height:1.8;}
.rl-footer ul li{margin-bottom:10px;}
.rl-footer a{color:rgba(255,255,255,.7);font-size:14px;}
.rl-footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.rl-footer .rl-logo{color:#fff;}
.rl-footer .rl-logo-text{color:#fff;}
.rl-footer-brand p{margin-top:16px;max-width:380px;}
.rl-footer-contact{margin-top:12px;color:rgba(255,255,255,.6);}
.rl-footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.55);}

/* 响应式 */
@media (max-width:991.98px){
  .rl-section{padding:64px 0;}
  .rl-metrics-section{padding:56px 0 0;}
  .rl-cta-inner{grid-template-columns:1fr;gap:28px;}
  .rl-card-grid{grid-template-columns:1fr 1fr;}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rl-footer-brand{grid-column:1/-1;}
}
@media (max-width:767.98px){
  .rl-section{padding:56px 0;}
  .rl-hero-copy h1{font-size:28px;}
  .rl-hero-copy>p{font-size:15.5px;}
  .rl-scene-grid{grid-template-columns:1fr;gap:20px;}
  .rl-scene-card:nth-child(even){margin-top:0;}
  .rl-metrics{grid-template-columns:1fr;}
  .rl-metric{border-left:none;border-top:1px solid var(--rl-line);padding:24px 0;}
  .rl-metric:first-child{border-top:none;}
  .rl-card-grid{grid-template-columns:1fr;gap:20px;}
  .rl-section-head h2{font-size:22px;}
  .rl-btn{padding:11px 20px;font-size:14.5px;}
  .rl-faq .accordion-button{font-size:16px;}
  .rl-faq .accordion-body{padding-right:24px;}
  .rl-cta{padding:56px 0;}
  .rl-footer-grid{grid-template-columns:1fr 1fr;}
  .rl-footer{padding:48px 0 24px;}
}
@media (max-width:575.98px){
  .rl-container{padding:0 16px;}
  .rl-hero-actions .rl-btn{width:100%;}
  .rl-hero-points{gap:8px 18px;}
  .rl-footer-grid{grid-template-columns:1fr;}
}