/* roulang page: index */
/* ===================== 设计令牌 ===================== */
:root{
  --brand:#E4572E;
  --brand-h:#C8451F;
  --brand-a:#A93A18;
  --brand-soft:#FDEBE4;
  --brand-line:rgba(228,87,46,.12);
  --ink:#123C36;
  --ink-h:#0C2C27;
  --ink-panel:#0F332E;
  --amber:#F2B33D;
  --amber-soft:#FDF3DF;
  --ok:#2E7D6B;
  --ok-soft:#E4F1ED;
  --bg:#FBF6F0;
  --bg-2:#F3ECE4;
  --card:#FFFFFF;
  --t1:#1E1B18;
  --t2:#6B6157;
  --t3:#9A8F84;
  --bd:#E6DCD0;
  --div:#EFE7DC;
  --r-lg:16px;
  --r-md:10px;
  --r-pill:999px;
  --r-img:12px;
  --r-panel:20px;
  --sh-1:0 2px 8px rgba(30,27,24,.06);
  --sh-2:0 12px 28px rgba(228,87,46,.16);
  --sh-d:0 8px 24px rgba(0,0,0,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ===================== 基础 ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease)}
a:hover{color:var(--brand-h)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.02em;line-height:1.3;color:var(--t1)}
h1{font-size:28px}
h2{font-size:22px}
h3{font-size:18px}
h4{font-size:16px}
p{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(228,87,46,.28);outline-offset:2px;border-radius:6px}
@media (min-width:992px){
  body{font-size:17px}
  h1{font-size:42px}
  h2{font-size:32px}
  h3{font-size:22px}
  h4{font-size:18px}
}

/* ===================== 布局容器 ===================== */
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:992px){.rl-container{padding:0 32px}}
@media (min-width:1440px){.rl-container{max-width:1200px}}

.section{padding:56px 0}
@media (min-width:992px){.section{padding:88px 0}}
.bg-white{background:#FFFFFF}
.bg-base{background:var(--bg)}
.bg-soft{background:var(--brand-soft)}
.bg-tint{background:var(--bg-2)}

.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px}
.sec-head .sec-title{max-width:720px}
.sec-sub{margin-top:10px;color:var(--t2);font-size:15px;line-height:1.8}
.sec-more{font-size:15px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.sec-more:hover{gap:10px;color:var(--brand-h)}

/* ===================== 按钮 ===================== */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.rl-btn-primary{background:var(--brand);color:#fff}
.rl-btn-primary:hover{background:var(--brand-h);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.rl-btn-primary:active{background:var(--brand-a);transform:translateY(0)}
.rl-btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.rl-btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.rl-btn-soft{background:var(--brand-soft);color:var(--brand-h)}
.rl-btn-soft:hover{background:#FBDDD1;color:var(--brand-a);transform:translateY(-2px)}
.rl-btn-amber{background:var(--amber);color:#4A3208}
.rl-btn-amber:hover{background:#E4A62C;color:#3D2906;transform:translateY(-2px)}
.rl-btn-block{width:100%}
.rl-btn[disabled],.rl-btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.rl-btn-sm{min-height:38px;padding:0 16px;font-size:14px}

.link-underline{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.link-underline:hover{color:var(--brand-a);text-decoration-thickness:2px}

/* ===================== 徽章 ===================== */
.rl-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:13px;font-weight:700;line-height:1.5;background:var(--brand-soft);color:var(--brand-a)}
.rl-badge-ink{background:#E4EEEB;color:var(--ink)}
.rl-badge-amber{background:var(--amber-soft);color:#7A5410}
.rl-badge-ok{background:var(--ok-soft);color:var(--ok)}
.rl-badge-line{background:transparent;border:1px solid var(--bd);color:var(--t2);font-weight:600}

/* ===================== 卡片 ===================== */
.rl-card{
  background:var(--card);border:1px solid var(--bd);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.rl-card:hover{border-color:rgba(228,87,46,.35);box-shadow:var(--sh-2);transform:translateY(-2px)}
.rl-card-accent{border-left:4px solid var(--brand)}
.rl-card h3{margin-bottom:10px}
.rl-card p{color:var(--t2);font-size:14px;line-height:1.8}
.card-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px;
}
.card-icon.icon-ink{background:#E4EEEB;color:var(--ink)}
.card-icon.icon-amber{background:var(--amber-soft);color:#B57F12}

/* ===================== 导航 ===================== */
.site-header{position:sticky;top:0;z-index:1030;padding:14px 0;transition:padding .2s var(--ease)}
.site-header.is-stuck{padding:8px 0}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--bd);border-radius:var(--r-lg);
  padding:10px 16px;box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),padding .2s var(--ease);
}
.site-header.is-stuck .nav-shell{box-shadow:0 10px 26px rgba(30,27,24,.10);padding:8px 16px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;
  transition:background-color .18s var(--ease);
}
.brand:hover .brand-mark{background:var(--brand)}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--t1);white-space:nowrap}
.brand-text em{font-style:normal;color:var(--brand)}
.nav-cards{display:none;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:12px;font-size:14px;font-weight:600;color:var(--t2);
  background:transparent;transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.nav-card i{font-size:15px;color:var(--t3);transition:color .18s var(--ease)}
.nav-card:hover{background:var(--brand-soft);color:var(--brand-h);transform:translateY(-2px)}
.nav-card:hover i{color:var(--brand)}
.nav-card.is-active{background:var(--brand);color:#fff}
.nav-card.is-active i{color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--bd);
  color:var(--ink);font-size:18px;background:#fff;
  transition:background-color .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-h)}
@media (min-width:992px){
  .nav-cards{display:flex}
  .nav-toggle{display:none!important}
}
@media (max-width:991.98px){
  .nav-actions .rl-btn-ghost{display:none}
  .brand-mark{width:36px;height:36px}
  .brand-text{font-size:16px}
}
@media (max-width:575.98px){
  .nav-actions .rl-btn{display:none}
  .nav-shell{padding:8px 12px;gap:10px}
}

/* offcanvas 抽屉 */
.rl-offcanvas{background:#fff;border-left:1px solid var(--bd);width:min(360px,88vw)}
.rl-offcanvas .offcanvas-header{padding:20px 20px 12px;border-bottom:1px solid var(--div)}
.rl-offcanvas .offcanvas-title{font-size:17px;font-weight:800;letter-spacing:.02em}
.rl-offcanvas .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:18px}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-card{
  display:flex;flex-direction:column;gap:8px;padding:16px 14px;border-radius:14px;
  border:1px solid var(--bd);background:#fff;font-size:14px;font-weight:700;color:var(--t1);
}
.drawer-card i{font-size:18px;color:var(--brand)}
.drawer-card:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.drawer-card.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.drawer-card.is-active i{color:#fff}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}

/* ===================== Hero ===================== */
.hero{
  background-color:var(--brand-soft);
  background-image:repeating-linear-gradient(45deg,rgba(228,87,46,.05) 0 1px,transparent 1px 14px);
  padding:48px 0 64px;
}
@media (min-width:992px){.hero{padding:72px 0 96px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:992px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--brand-line);color:var(--brand-a);font-size:13px;font-weight:700}
.hero h1{margin:18px 0 14px;font-size:30px;line-height:1.28}
@media (min-width:992px){.hero h1{font-size:clamp(38px,3.6vw,52px)}}
.hero-lead{font-size:16px;color:var(--t2);max-width:560px;line-height:1.9}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.point-pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--bd);font-size:13px;font-weight:600;color:var(--t2);
}
.point-pill i{color:var(--brand);font-size:13px}
.point-pill strong{font-variant-numeric:tabular-nums;color:var(--t1);font-weight:800}
.hero-media{position:relative}
.hero-media::after{
  content:"";position:absolute;top:-12px;right:-12px;width:74px;height:74px;background:var(--amber);
  clip-path:polygon(100% 0,100% 100%,0 0);border-radius:0 16px 0 0;opacity:.92;
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-d)}
.hero-note{
  position:absolute;left:16px;bottom:16px;background:#fff;border-radius:14px;padding:12px 16px;
  box-shadow:var(--sh-1);border:1px solid var(--bd);display:flex;align-items:center;gap:12px;
}
.hero-note i{width:34px;height:34px;border-radius:10px;background:var(--ok-soft);color:var(--ok);display:flex;align-items:center;justify-content:center;font-size:15px}
.hero-note span{display:block;font-size:13px;color:var(--t2);line-height:1.6}
.hero-note strong{display:block;font-size:14px;color:var(--t1)}

/* ===================== 优惠阶梯 ===================== */
.tier-grid{display:grid;grid-template-columns:1fr;gap:20px;align-items:stretch}
@media (min-width:768px){.tier-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1200px){.tier-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.tier{
  position:relative;display:flex;flex-direction:column;gap:14px;
  background:#fff;border:1px solid var(--bd);border-radius:var(--r-lg);padding:0 22px 24px;
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.tier:hover{border-color:rgba(228,87,46,.35);box-shadow:var(--sh-2);transform:translateY(-2px)}
.tier-bar{height:10px;border-radius:0 0 6px 6px;background:var(--brand-soft);margin:0 -22px 18px;position:relative}
.tier-bar::after{
  content:"";position:absolute;inset:0 auto 0 0;width:100%;
  background-image:repeating-linear-gradient(90deg,rgba(18,60,54,.18) 0 1px,transparent 1px 12px);
}
.tier:nth-child(1) .tier-bar{height:10px;background:#FBE3D8}
.tier:nth-child(2) .tier-bar{height:20px;background:#FAD6C4}
.tier:nth-child(3) .tier-bar{height:30px;background:#F3AC8E}
.tier:nth-child(4) .tier-bar{height:42px;background:var(--brand)}
.tier-no{font-size:13px;font-weight:800;color:var(--t3);letter-spacing:.08em}
.tier h3{font-size:19px}
.tier-cond{font-size:13px;color:var(--t2);padding:8px 12px;border-radius:10px;background:var(--bg-2)}
.tier-list{display:flex;flex-direction:column;gap:10px}
.tier-list li{display:flex;gap:9px;font-size:14px;color:var(--t2);line-height:1.75}
.tier-list i{color:var(--ok);font-size:13px;margin-top:7px}
.tier .rl-btn{margin-top:auto}
@media (max-width:1199.98px){
  .tier-bar{height:10px!important}
}

/* ===================== 套餐对比表 ===================== */
.cmp-scroll{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--bd);background:#fff;box-shadow:var(--sh-1)}
.cmp-table{min-width:720px;font-size:15px}
.cmp-table th,.cmp-table td{padding:16px 18px;border-bottom:1px solid var(--div);text-align:center;vertical-align:middle}
.cmp-table thead th{
  position:sticky;top:0;z-index:2;background:var(--bg-2);
  font-size:14px;font-weight:800;color:var(--t1);letter-spacing:.02em;
}
.cmp-table tbody th{
  position:sticky;left:0;background:#fff;text-align:left;font-weight:700;font-size:14px;color:var(--t2);
  min-width:140px;border-right:1px solid var(--div);z-index:1;
}
.cmp-table thead th:first-child{left:0;z-index:3;text-align:left}
.cmp-table tbody tr:hover td,.cmp-table tbody tr:hover th{background:#FFF9F6}
.cmp-table tbody tr:last-child td,.cmp-table tbody tr:last-child th{border-bottom:0}
.cmp-price{font-size:22px;font-weight:800;color:var(--t1);font-variant-numeric:tabular-nums}
.cmp-price small{display:block;font-size:13px;font-weight:600;color:var(--t3)}
.cmp-col-hot{background:#FFF6F1}
.cmp-table thead th.cmp-col-hot{background:var(--brand-soft);color:var(--brand-a)}
.cmp-table tbody td.cmp-col-hot{box-shadow:inset 1px 0 0 rgba(228,87,46,.35),inset -1px 0 0 rgba(228,87,46,.35)}
.cmp-table tbody tr:last-child td.cmp-col-hot{box-shadow:inset 1px 0 0 rgba(228,87,46,.35),inset -1px 0 0 rgba(228,87,46,.35),inset 0 -1px 0 rgba(228,87,46,.35)}
.hot-tag{display:inline-block;margin-left:8px;padding:2px 9px;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:12px;font-weight:700}
.mark-yes{color:var(--ok);font-size:16px}
.mark-no{color:var(--t3);font-size:16px}
.cmp-cta{display:inline-flex}
.cmp-note{margin-top:16px;font-size:13px;color:var(--t3)}

/* ===================== 限时入口 ===================== */
.entry-panel{
  position:relative;background:var(--ink);border-radius:var(--r-panel);padding:32px 24px;
  color:#EDE7E1;overflow:hidden;box-shadow:var(--sh-d);
}
@media (min-width:992px){.entry-panel{padding:48px 44px}}
.entry-panel::before{
  content:"";position:absolute;left:0;right:0;top:0;height:8px;
  background-image:repeating-linear-gradient(90deg,var(--amber) 0 10px,transparent 10px 20px);opacity:.85;
}
.entry-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;position:relative}
@media (min-width:992px){.entry-grid{grid-template-columns:1.1fr .9fr;gap:48px}}
.entry-panel h2{color:#fff}
.entry-panel p{color:#C9D6D2;font-size:15px;margin-top:12px;line-height:1.85;max-width:520px}
.entry-panel .rl-badge{background:rgba(242,179,61,.16);color:var(--amber)}
.countdown{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.count-cell{
  background:var(--ink-panel);border:1px solid rgba(255,255,255,.10);border-radius:14px;
  padding:16px 8px;text-align:center;box-shadow:var(--sh-d);
}
.count-cell b{display:block;font-size:30px;font-weight:800;color:var(--amber);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.count-cell span{display:block;font-size:12px;color:#9FB3AE;margin-top:4px}
.entry-progress{margin-top:22px}
.entry-progress .bar-label{display:flex;justify-content:space-between;font-size:13px;color:#C9D6D2;margin-bottom:8px}
.entry-progress .bar-label strong{color:#fff;font-variant-numeric:tabular-nums}
.bar-track{height:10px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);overflow:hidden}
.bar-fill{height:100%;width:68%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--amber),var(--brand))}
.entry-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
.entry-panel .rl-btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.entry-panel .rl-btn-ghost:hover{background:#fff;color:var(--ink)}

/* ===================== CMS 列表 ===================== */
.cms-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:992px){.cms-grid{grid-template-columns:1.15fr .85fr;gap:24px}}
.cms-lead{display:flex;flex-direction:column;background:#fff;border:1px solid var(--bd);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
.cms-lead:hover{border-color:rgba(228,87,46,.35);box-shadow:var(--sh-2);transform:translateY(-2px)}
.cms-lead-media{overflow:hidden}
.cms-lead-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .22s var(--ease)}
.cms-lead:hover .cms-lead-media img{transform:scale(1.03)}
.cms-lead-body{padding:24px;display:flex;flex-direction:column;gap:12px}
.cms-lead-body h3{font-size:20px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-lead-body p{color:var(--t2);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cms-side{display:grid;grid-template-columns:1fr;gap:16px}
.cms-item{display:grid;grid-template-columns:104px 1fr;gap:14px;align-items:center;background:#fff;border:1px solid var(--bd);border-radius:14px;padding:12px;box-shadow:var(--sh-1);transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
.cms-item:hover{border-color:rgba(228,87,46,.35);box-shadow:var(--sh-2);transform:translateY(-2px)}
.cms-item-media{overflow:hidden;border-radius:var(--r-img)}
.cms-item-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .22s var(--ease)}
.cms-item:hover .cms-item-media img{transform:scale(1.03)}
.cms-item h4{font-size:15px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}
.cms-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--t3)}
.cms-more{color:var(--brand);font-weight:700}
.cms-rest{display:grid;grid-template-columns:1fr;gap:20px;margin-top:24px}
@media (min-width:768px){.cms-rest{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.cms-rest{grid-template-columns:repeat(3,1fr)}}
.cms-rest .cms-lead-body h3{font-size:17px}
.cms-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  min-height:220px;background:#fff;border:1px dashed var(--bd);border-radius:var(--r-lg);color:var(--t2);text-align:center;padding:32px;
}
.cms-empty i{font-size:26px;color:var(--t3)}
@media (max-width:575.98px){
  .cms-item{grid-template-columns:1fr}
  .cms-item-media img{aspect-ratio:16/9}
}

/* ===================== FAQ ===================== */
.faq-wrap{max-width:800px;margin:0 auto}
.accordion-item{background:#fff;border:1px solid var(--bd);border-radius:14px!important;overflow:hidden;margin-bottom:14px;box-shadow:var(--sh-1)}
.accordion-button{
  background:#fff;color:var(--t1);font-size:16px;font-weight:700;line-height:1.6;
  padding:20px 22px;border:0;border-radius:14px!important;box-shadow:none!important;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
@media (min-width:992px){.accordion-button{font-size:17px}}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-soft);box-shadow:inset 3px 0 0 var(--brand)!important}
.accordion-button:focus{box-shadow:inset 0 0 0 3px rgba(228,87,46,.28)!important}
.accordion-button::after{transition:transform .2s var(--ease);opacity:.7}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-body{padding:0 22px 22px;color:var(--t2);font-size:15px;line-height:1.9}
.accordion-body strong{color:var(--t1)}

/* ===================== 表单 ===================== */
.form-card{background:#fff;border:1px solid var(--bd);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
@media (min-width:992px){.form-card{padding:36px}}
.form-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:768px){.form-grid{grid-template-columns:1fr 1fr}}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1/-1}
.form-label{font-size:14px;font-weight:700;color:var(--t1)}
.form-label .req{color:var(--brand);margin-left:4px}
.form-control,.form-select{
  height:46px;border:1px solid var(--bd);border-radius:var(--r-md);background:#fff;
  padding:0 14px;font-size:15px;color:var(--t1);box-shadow:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
textarea.form-control{height:auto;min-height:120px;padding:12px 14px;line-height:1.8;resize:vertical}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(228,87,46,.14);outline:none}
.form-hint{font-size:13px;color:var(--t3)}
.form-check{display:flex;align-items:flex-start;gap:10px}
.form-check-input{width:18px;height:18px;margin-top:5px;border:1px solid var(--bd);box-shadow:none;flex:0 0 auto}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand)}
.form-check-input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(228,87,46,.14)}
.form-check-label{font-size:14px;color:var(--t2);line-height:1.75}
.form-alert{display:none;margin-top:18px;padding:16px 18px;border-radius:14px;font-size:14px;line-height:1.8;border:1px solid transparent}
.form-alert.is-ok{display:block;background:var(--ok-soft);border-color:rgba(46,125,107,.35);color:#1F5A4D}
.form-alert.is-err{display:block;background:var(--brand-soft);border-color:rgba(228,87,46,.35);color:var(--brand-a)}

/* ===================== 页脚 ===================== */
.site-footer{background:var(--ink);color:#C9D6D2;padding:56px 0 0;margin-top:0}
@media (min-width:992px){.site-footer{padding:72px 0 0}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--brand)}
.footer-brand .brand-text{color:#fff}
.site-footer p{font-size:14px;line-height:1.85;color:#A9BBB7;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#C9D6D2;font-size:14px}
.footer-col a:hover{color:var(--amber)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#C9D6D2;line-height:1.7}
.footer-contact i{color:var(--amber);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8FA5A0;
}
.footer-bottom a{color:#8FA5A0}
.footer-bottom a:hover{color:var(--amber)}

/* ===================== 通用小组件 ===================== */
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media (min-width:768px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat-card{background:#fff;border:1px solid var(--bd);border-radius:14px;padding:20px;box-shadow:var(--sh-1)}
.stat-card b{display:block;font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-card span{display:block;margin-top:6px;font-size:13px;color:var(--t2)}
.divider{height:1px;background:var(--div);margin:36px 0}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* roulang page: article */
:root{
  --rl-primary:#E4572E;
  --rl-primary-hover:#C8451F;
  --rl-primary-active:#A93A18;
  --rl-primary-soft:#FDEBE4;
  --rl-primary-ring:rgba(228,87,46,.28);
  --rl-primary-line:rgba(228,87,46,.12);
  --rl-ink:#123C36;
  --rl-ink-hover:#0C2C27;
  --rl-ink-panel:#0F332E;
  --rl-amber:#F2B33D;
  --rl-amber-soft:#FEF3DC;
  --rl-ok:#2E7D6B;
  --rl-ok-soft:#E4F1ED;
  --rl-bg:#FBF6F0;
  --rl-bg-2:#F3ECE4;
  --rl-card:#FFFFFF;
  --rl-text:#1E1B18;
  --rl-text-2:#6B6157;
  --rl-text-3:#9A8F84;
  --rl-border:#E6DCD0;
  --rl-line:#EFE7DC;
  --rl-r-lg:16px;
  --rl-r-md:12px;
  --rl-r-sm:10px;
  --rl-r-xl:20px;
  --rl-r-pill:999px;
  --rl-sh:0 2px 8px rgba(30,27,24,.06);
  --rl-sh-hover:0 12px 28px rgba(228,87,46,.16);
  --rl-sh-dark:0 8px 24px rgba(0,0,0,.18);
  --rl-font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --rl-section:56px;
}
@media (min-width:992px){:root{--rl-section:88px;}}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--rl-font);
  font-size:16px;
  line-height:1.85;
  color:var(--rl-text);
  background:var(--rl-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;line-height:1.3;color:var(--rl-text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--rl-primary-ring);outline-offset:2px;}

.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:992px){.rl-container{padding:0 32px;}}
@media (min-width:1440px){.rl-container{max-width:1200px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:12px 0 10px;
  background:var(--rl-bg);
  transition:padding .2s ease-out;
}
.nav-card-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--rl-card);
  border:1px solid var(--rl-border);
  border-radius:var(--rl-r-lg);
  box-shadow:var(--rl-sh);
  padding:12px 16px;
  transition:padding .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-header.is-scrolled{padding:8px 0 6px;}
.site-header.is-scrolled .nav-card-panel{padding:8px 14px;box-shadow:0 10px 24px rgba(30,27,24,.12);}
.brand-link{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  background:var(--rl-primary);color:#fff;
  border-radius:11px;font-size:17px;
  box-shadow:0 4px 12px rgba(228,87,46,.24);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.02em;white-space:nowrap;}
.nav-cards{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 12px;border-radius:var(--rl-r-sm);
  font-size:14px;color:var(--rl-text-2);
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.nav-card i{font-size:15px;width:20px;text-align:center;}
.nav-card:hover,.nav-card:focus-visible{background:var(--rl-primary-soft);color:var(--rl-primary);transform:translateY(-2px);}
.nav-card.is-active,.nav-card[aria-current="page"]{background:var(--rl-primary);color:#fff;}
.nav-card.is-active:hover,.nav-card[aria-current="page"]:hover{background:var(--rl-primary-hover);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

.btn-rl{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--rl-r-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-rl-primary{background:var(--rl-primary);color:#fff;}
.btn-rl-primary:hover{background:var(--rl-primary-hover);color:#fff;transform:translateY(-2px);}
.btn-rl-primary:active{background:var(--rl-primary-active);transform:translateY(0);}
.btn-rl-outline{background:transparent;border-color:var(--rl-ink);color:var(--rl-ink);}
.btn-rl-outline:hover{background:var(--rl-ink);color:#fff;transform:translateY(-2px);}
.btn-rl-outline:active{background:var(--rl-ink-hover);}
.btn-rl-ghost{background:transparent;color:var(--rl-primary);height:auto;padding:2px 0;text-decoration:underline;text-underline-offset:4px;font-weight:700;}
.btn-rl-ghost:hover{color:var(--rl-primary-hover);}
.btn-rl[disabled],.btn-rl.is-disabled{background:#CFC6BB;border-color:#CFC6BB;color:#fff;pointer-events:none;opacity:.6;}
.btn-block{width:100%;}

.nav-burger{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:var(--rl-r-sm);
  border:1px solid var(--rl-border);background:var(--rl-card);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--rl-ink);transition:transform .18s ease-out,opacity .18s ease-out;}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-nav{display:none;margin-top:10px;}
.mobile-nav.is-open{display:block;}
.mobile-nav-inner{
  background:var(--rl-card);border:1px solid var(--rl-border);
  border-radius:var(--rl-r-lg);box-shadow:var(--rl-sh);padding:14px;
}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px;}
.mobile-grid .nav-card{
  justify-content:flex-start;background:var(--rl-bg);
  border:1px solid var(--rl-border);padding:12px;font-size:14px;
}
@media (max-width:991.98px){
  .nav-cards,.nav-actions{display:none;}
  .nav-burger{display:flex;}
  .brand-text{font-size:16px;}
}

/* ---------- 面包屑与文章头 ---------- */
.article-hero{background:var(--rl-card);border-bottom:1px solid var(--rl-line);padding:28px 0 36px;}
.rl-breadcrumb{margin-bottom:18px;}
.rl-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--rl-text-3);line-height:1.6;}
.rl-breadcrumb a{color:var(--rl-text-2);transition:color .18s ease-out;}
.rl-breadcrumb a:hover{color:var(--rl-primary);}
.rl-breadcrumb .is-current{color:var(--rl-text-3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rl-breadcrumb .sep{color:var(--rl-text-3);}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--rl-primary-soft);color:var(--rl-primary);
  border-radius:var(--rl-r-pill);padding:5px 14px;
  font-size:13px;font-weight:700;margin-bottom:16px;
}
.article-hero h1{font-size:28px;font-weight:800;line-height:1.35;max-width:900px;}
@media (min-width:992px){.article-hero h1{font-size:42px;}}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:14px;color:var(--rl-text-3);
}
.meta-row i{margin-right:6px;color:var(--rl-amber);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--rl-border);}

/* ---------- 文章布局 ---------- */
.article-section{padding:var(--rl-section) 0;}
.article-layout{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:48px;}
}
.article-main{min-width:0;max-width:800px;}

.article-body{
  font-size:17px;line-height:1.9;color:var(--rl-text);
  background:var(--rl-card);
  border:1px solid var(--rl-border);
  border-radius:var(--rl-r-lg);
  padding:24px;
  box-shadow:var(--rl-sh);
}
@media (min-width:768px){.article-body{padding:40px 44px;}}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:22px;font-weight:800;
  margin:40px 0 16px;padding-left:16px;
  scroll-margin-top:110px;
}
@media (min-width:992px){.article-body h2{font-size:26px;}}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;
  width:4px;height:1em;border-radius:2px;background:var(--rl-primary);
}
.article-body h3{
  font-size:18px;font-weight:700;margin:28px 0 12px;color:var(--rl-ink);
  scroll-margin-top:110px;
}
@media (min-width:992px){.article-body h3{font-size:20px;}}
.article-body a{color:var(--rl-primary);text-decoration:underline;text-underline-offset:4px;transition:color .18s ease-out;}
.article-body a:hover{color:var(--rl-primary-hover);}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.2em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:0 0 .55em;line-height:1.8;}
.article-body ul li::marker{color:var(--rl-primary);}
.article-body ol li::marker{color:var(--rl-primary);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--rl-primary-soft);
  border-left:4px solid var(--rl-primary);
  border-radius:0 var(--rl-r-md) var(--rl-r-md) 0;
  color:var(--rl-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--rl-r-md);margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--rl-text-3);margin-top:10px;}
.article-body hr{border:0;border-top:1px dashed var(--rl-border);margin:32px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--rl-line);text-align:left;}
.article-body th{background:var(--rl-bg-2);font-weight:700;color:var(--rl-ink);}
.article-body .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.article-body code{background:var(--rl-bg-2);border-radius:6px;padding:2px 6px;font-size:15px;}
.article-body pre{background:var(--rl-ink-panel);color:#F3ECE4;border-radius:var(--rl-r-md);padding:18px;overflow-x:auto;font-size:14px;}

/* ---------- 侧栏目录 ---------- */
.article-aside{min-width:0;}
.toc-card{
  background:var(--rl-card);
  border:1px solid var(--rl-border);
  border-radius:var(--rl-r-lg);
  box-shadow:var(--rl-sh);
  padding:20px;
}
@media (min-width:1100px){
  .toc-card{position:sticky;top:104px;}
}
.toc-title{
  font-size:14px;font-weight:800;color:var(--rl-ink);
  letter-spacing:.06em;margin-bottom:12px;
  display:flex;align-items:center;gap:8px;
}
.toc-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--rl-amber);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;
  color:var(--rl-text-2);padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.toc-list a:hover{background:var(--rl-bg-2);color:var(--rl-primary);}
.toc-list a.is-current{background:var(--rl-primary-soft);color:var(--rl-primary);border-left-color:var(--rl-primary);font-weight:700;}
.toc-item--sub a{padding-left:22px;font-size:13px;}

/* ---------- 空状态 ---------- */
.empty-state{
  text-align:center;padding:56px 24px;
  background:var(--rl-card);border:1px dashed var(--rl-border);
  border-radius:var(--rl-r-lg);
}
.empty-state i{font-size:34px;color:var(--rl-primary);margin-bottom:16px;}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--rl-text-2);font-size:15px;margin-bottom:20px;}

/* ---------- 文末导航 ---------- */
.article-foot{margin-top:32px;}
.foot-nav{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:768px){.foot-nav{grid-template-columns:1fr 1fr;}}
.foot-nav-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--rl-card);border:1px solid var(--rl-border);
  border-radius:var(--rl-r-lg);padding:20px;box-shadow:var(--rl-sh);
  transition:border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.foot-nav-card:hover{border-color:var(--rl-primary);box-shadow:var(--rl-sh-hover);transform:translateY(-2px);}
.foot-nav-card .fn-icon{
  width:40px;height:40px;flex:0 0 40px;border-radius:11px;
  display:grid;place-items:center;background:var(--rl-bg-2);color:var(--rl-primary);font-size:17px;
}
.foot-nav-card h3{font-size:16px;margin-bottom:4px;}
.foot-nav-card p{font-size:13px;color:var(--rl-text-2);margin:0;line-height:1.7;}
.back-home{margin-top:20px;}

/* ---------- 相关推荐 ---------- */
.related-section{background:var(--rl-card);border-top:1px solid var(--rl-line);border-bottom:1px solid var(--rl-line);padding:var(--rl-section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:22px;}
@media (min-width:992px){.section-head h2{font-size:32px;}}
.section-head p{font-size:14px;color:var(--rl-text-2);margin:6px 0 0;}
.link-more{font-size:14px;font-weight:700;color:var(--rl-primary);text-decoration:underline;text-underline-offset:4px;white-space:nowrap;}
.link-more:hover{color:var(--rl-primary-hover);}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--rl-card);border:1px solid var(--rl-border);
  border-radius:var(--rl-r-lg);box-shadow:var(--rl-sh);
  transition:border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.rel-card:hover{border-color:var(--rl-primary);box-shadow:var(--rl-sh-hover);transform:translateY(-2px);}
.rel-media{aspect-ratio:16/9;overflow:hidden;background:var(--rl-bg-2);}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease-out;}
.rel-card:hover .rel-media img{transform:scale(1.03);}
.rel-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.badge-soft{
  display:inline-flex;align-items:center;
  border-radius:var(--rl-r-pill);
  padding:3px 11px;font-size:12px;font-weight:700;
  background:var(--rl-primary-soft);color:var(--rl-primary);
  margin-bottom:12px;align-self:flex-start;
}
.badge-soft.is-ink{background:var(--rl-ok-soft);color:var(--rl-ok);}
.badge-soft.is-amber{background:var(--rl-amber-soft);color:#8A5B0B;}
.rel-body h3{font-size:18px;margin-bottom:8px;line-height:1.5;}
.rel-body p{font-size:14px;color:var(--rl-text-2);line-height:1.75;margin:0 0 14px;}
.rel-link{margin-top:auto;font-size:14px;font-weight:700;color:var(--rl-primary);display:inline-flex;align-items:center;gap:6px;}
.rel-link i{font-size:12px;transition:transform .18s ease-out;}
.rel-card:hover .rel-link i{transform:translateX(3px);}

/* ---------- 深色 CTA ---------- */
.cta-section{padding:var(--rl-section) 0;}
.cta-panel{
  background:var(--rl-ink);
  border-radius:var(--rl-r-xl);
  padding:32px;
  color:#F3ECE4;
  display:grid;grid-template-columns:1fr;gap:24px;
  box-shadow:var(--rl-sh-dark);
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;
  border-radius:50%;background:rgba(242,179,61,.10);
}
@media (min-width:992px){.cta-panel{grid-template-columns:1.4fr 1fr;align-items:center;padding:44px 48px;}}
.cta-panel h2{color:#fff;font-size:22px;margin-bottom:10px;}
@media (min-width:992px){.cta-panel h2{font-size:30px;}}
.cta-panel p{color:#C9D6D2;font-size:15px;margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}
.cta-actions .btn-rl-outline{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-actions .btn-rl-outline:hover{background:#fff;color:var(--rl-ink);border-color:#fff;}
@media (max-width:575.98px){.cta-actions .btn-rl{width:100%;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--rl-ink);color:#DDE7E4;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--rl-primary);}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:800;}
.footer-col p{font-size:14px;line-height:1.85;color:#B9C8C4;margin:0;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a,.footer-col ul span{font-size:14px;color:#B9C8C4;transition:color .18s ease-out;}
.footer-col ul a:hover{color:var(--rl-amber);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#B9C8C4;}
.footer-contact i{color:var(--rl-amber);width:16px;text-align:center;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#9FB0AC;
}
@media (max-width:575.98px){
  .article-hero{padding:20px 0 28px;}
  .article-hero h1{font-size:24px;}
  .article-body{padding:18px;}
  .rel-body{padding:16px;}
  .cta-panel{padding:24px;}
}

/* roulang page: category1 */
:root{
  --rl-primary:#E4572E;
  --rl-primary-hover:#C8451F;
  --rl-primary-active:#A93A18;
  --rl-primary-soft:#FDEBE4;
  --rl-primary-line:rgba(228,87,46,.12);
  --rl-dark:#123C36;
  --rl-dark-hover:#0C2C27;
  --rl-dark-panel:#0F332E;
  --rl-amber:#F2B33D;
  --rl-success:#2E7D6B;
  --rl-bg:#FBF6F0;
  --rl-bg-alt:#F3ECE4;
  --rl-card:#FFFFFF;
  --rl-text:#1E1B18;
  --rl-text-2:#6B6157;
  --rl-text-3:#9A8F84;
  --rl-border:#E6DCD0;
  --rl-divider:#EFE7DC;
  --rl-r-lg:16px;
  --rl-r-md:12px;
  --rl-r-sm:10px;
  --rl-r-dark:20px;
  --rl-shadow:0 2px 8px rgba(30,27,24,.06);
  --rl-shadow-hover:0 12px 28px rgba(228,87,46,.16);
  --rl-shadow-dark:0 8px 24px rgba(0,0,0,.18);
  --rl-section:56px;
  --rl-gutter:20px;
  --rl-font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::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:1.85;
  color:var(--rl-text);
  background:var(--rl-bg);
  letter-spacing:.02em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--rl-primary);text-decoration:none}
a:hover{color:var(--rl-primary-hover)}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.02em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(228,87,46,.28);border-radius:6px}

.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:992px){
  .rl-container{padding:0 32px}
  :root{--rl-section:88px;--rl-gutter:24px}
}
@media (min-width:1440px){
  .rl-container{max-width:1200px}
}

/* ============ Bootstrap 覆盖 ============ */
.btn{
  border-radius:var(--rl-r-sm);
  font-weight:700;
  letter-spacing:.02em;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{
  --bs-btn-bg:var(--rl-primary);
  --bs-btn-border-color:var(--rl-primary);
  --bs-btn-hover-bg:var(--rl-primary-hover);
  --bs-btn-hover-border-color:var(--rl-primary-hover);
  --bs-btn-active-bg:var(--rl-primary-active);
  --bs-btn-active-border-color:var(--rl-primary-active);
  --bs-btn-disabled-bg:#C9BFB4;
  --bs-btn-disabled-border-color:#C9BFB4;
}

/* ============ 按钮系统 ============ */
.btn-rl{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--rl-r-sm);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-rl:active{transform:translateY(0)}
.btn-rl-primary{background:var(--rl-primary);color:#fff;box-shadow:0 2px 8px rgba(228,87,46,.22)}
.btn-rl-primary:hover{background:var(--rl-primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(228,87,46,.24)}
.btn-rl-primary:active{background:var(--rl-primary-active)}
.btn-rl-primary:disabled,.btn-rl-primary.is-disabled{background:#C9BFB4;color:#fff;box-shadow:none;transform:none;cursor:not-allowed}
.btn-rl-outline{background:transparent;border-color:var(--rl-dark);color:var(--rl-dark)}
.btn-rl-outline:hover{background:var(--rl-dark);border-color:var(--rl-dark);color:#fff;transform:translateY(-2px)}
.btn-rl-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-rl-outline-light:hover{background:#fff;color:var(--rl-dark);border-color:#fff;transform:translateY(-2px)}
.btn-rl-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--rl-primary);font-weight:700;font-size:15px;
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.btn-rl-text:hover{color:var(--rl-primary-hover);text-decoration-thickness:2px}
.btn-rl-block{width:100%}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:12px 0;
  background:rgba(251,246,240,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:padding .2s ease-out;
}
.site-header.is-scrolled{padding:8px 0}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:var(--rl-card);
  border:1px solid var(--rl-border);
  border-radius:var(--rl-r-lg);
  box-shadow:var(--rl-shadow);
  padding:10px 16px;
  transition:box-shadow .2s ease-out,padding .2s ease-out;
}
.site-header.is-scrolled .nav-shell{padding:6px 14px;box-shadow:0 10px 26px rgba(30,27,24,.12)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--rl-primary);
  color:#fff;font-size:17px;
  box-shadow:0 4px 12px rgba(228,87,46,.28);
}
.brand-name{font-size:17px;font-weight:800;color:var(--rl-text);white-space:nowrap;letter-spacing:.02em}
.brand:hover .brand-name{color:var(--rl-primary)}
.nav-cards{display:none;align-items:center;gap:8px;flex:1 1 auto;margin-left:6px;flex-wrap:wrap}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;min-height:44px;
  border-radius:var(--rl-r-sm);
  font-size:14px;font-weight:600;color:var(--rl-text-2);
  background:transparent;border:1px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.nav-card i{font-size:14px;color:var(--rl-text-3);transition:color .18s ease-out}
.nav-card:hover{background:var(--rl-primary-soft);color:var(--rl-primary);transform:translateY(-2px);border-color:var(--rl-primary-line)}
.nav-card:hover i{color:var(--rl-primary)}
.nav-card.is-active{background:var(--rl-primary);color:#fff;border-color:var(--rl-primary)}
.nav-card.is-active i{color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.nav-actions .btn-rl{min-height:44px;padding:0 16px;font-size:14px}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--rl-r-sm);
  border:1px solid var(--rl-border);background:#fff;color:var(--rl-dark);
  font-size:16px;cursor:pointer;
  transition:background-color .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.nav-toggle:hover{background:var(--rl-primary-soft);border-color:var(--rl-primary-line);color:var(--rl-primary)}
.mobile-nav{display:none;margin-top:10px}
.mobile-nav.is-open{display:block}
.mobile-nav-inner{
  background:var(--rl-card);border:1px solid var(--rl-border);
  border-radius:var(--rl-r-lg);box-shadow:0 12px 28px rgba(30,27,24,.10);
  padding:14px;
}
.mobile-nav-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.mobile-nav-grid .nav-card{
  justify-content:flex-start;background:var(--rl-bg);border-color:var(--rl-border);
  padding:12px;min-height:48px;font-size:14px;
}
.mobile-nav-grid .nav-card.is-active{background:var(--rl-primary);color:#fff;border-color:var(--rl-primary)}
.mobile-nav-grid .nav-card.is-active i{color:#fff}
.mobile-nav-cta{margin-top:12px}
.mobile-nav-cta .btn-rl{width:100%;min-height:48px}
@media (min-width:992px){
  .nav-cards{display:flex}
  .nav-toggle{display:none}
  .mobile-nav{display:none !important}
}
@media (max-width:575.98px){
  .brand-name{font-size:16px}
  .nav-actions .btn-rl-outline{display:none}
}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:18px 0 4px}
.rl-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--rl-text-3);
}
.rl-breadcrumb a{color:var(--rl-text-2);text-decoration:none}
.rl-breadcrumb a:hover{color:var(--rl-primary);text-decoration:underline;text-underline-offset:4px}
.rl-breadcrumb .sep{color:var(--rl-text-3)}
.rl-breadcrumb .current{color:var(--rl-text);font-weight:700}

/* ============ 通用板块 ============ */
.section{padding:var(--rl-section) 0}
.section-tight{padding:40px 0}
.section-alt{background:var(--rl-bg-alt)}
.section-white{background:var(--rl-card)}
.section-head{max-width:760px;margin:0 auto 36px;text-align:center}
.section-head-left{margin:0 0 32px;text-align:left;max-width:820px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--rl-primary-soft);color:var(--rl-primary-active);
  font-size:13px;font-weight:700;line-height:1.4;margin-bottom:16px;
}
.eyebrow i{font-size:12px}
.section-title{font-size:22px;font-weight:800;color:var(--rl-text);margin-bottom:12px}
.section-desc{font-size:15px;color:var(--rl-text-2);line-height:1.8}
@media (min-width:992px){
  .section-title{font-size:32px}
  .section-desc{font-size:17px}
}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  background:var(--rl-primary-soft);
  padding:36px 0 64px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(228,87,46,.055) 0 2px,transparent 2px 14px);
}
.page-hero > .rl-container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
.hero-title{
  font-size:28px;font-weight:800;color:var(--rl-text);
  margin-bottom:16px;line-height:1.28;
}
.hero-title .hl{color:var(--rl-primary)}
.hero-sub{font-size:16px;color:var(--rl-text-2);line-height:1.8;margin-bottom:24px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:10px}
.metric-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.85);border:1px solid var(--rl-border);
  font-size:13px;font-weight:600;color:var(--rl-text-2);
}
.metric-pill i{color:var(--rl-primary);font-size:12px}
.hero-media{
  position:relative;
  border-radius:var(--rl-r-lg);
  overflow:hidden;
  box-shadow:0 14px 34px rgba(30,27,24,.14);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 42px),calc(100% - 42px) 100%,0 100%);
  background:var(--rl-card);
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  padding:8px 14px;border-radius:999px;
  background:rgba(18,60,54,.9);color:#fff;font-size:13px;font-weight:700;
}
.hero-steps-line{
  display:flex;align-items:center;gap:10px;margin-top:28px;
  font-size:13px;color:var(--rl-text-2);flex-wrap:wrap;
}
.hero-steps-line .tick{width:22px;height:2px;background:var(--rl-amber);border-radius:2px}
@media (min-width:992px){
  .page-hero{padding:56px 0 88px}
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}
  .hero-title{font-size:46px;letter-spacing:.02em}
  .hero-sub{font-size:17px}
}

/* ============ 图文交错 ============ */
.feature-row{
  display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  padding:28px 0;
}
.feature-row + .feature-row{border-top:1px solid var(--rl-divider);margin-top:12px}
.feature-media{
  border-radius:var(--rl-r-md);
  overflow:hidden;background:var(--rl-card);
  border:1px solid var(--rl-border);
  box-shadow:var(--rl-shadow);
}
.feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .22s ease-out}
.feature-row:hover .feature-media img{transform:scale(1.03)}
.feature-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--rl-dark);color:#fff;font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.feature-title{font-size:20px;font-weight:800;margin-bottom:12px}
.feature-text{font-size:15px;color:var(--rl-text-2);line-height:1.85;margin-bottom:16px}
.check-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--rl-text-2);line-height:1.75;
  padding:6px 0;
}
.check-list i{color:var(--rl-success);font-size:14px;margin-top:5px}
@media (min-width:992px){
  .feature-row{grid-template-columns:1fr 1fr;gap:56px;padding:44px 0}
  .feature-row.reverse .feature-media{order:2}
  .feature-title{font-size:22px}
  .feature-text{font-size:16px}
}

/* ============ 要点卡片网格 ============ */
.point-grid{display:grid;grid-template-columns:1fr;gap:var(--rl-gutter)}
.point-card{
  position:relative;
  background:var(--rl-card);
  border:1px solid var(--rl-border);
  border-radius:var(--rl-r-lg);
  padding:24px;
  box-shadow:var(--rl-shadow);
  overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.point-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--rl-primary);
  opacity:.9;
}
.point-card:hover{transform:translateY(-2px);border-color:var(--rl-primary-line);box-shadow:var(--rl-shadow-hover)}
.point-icon{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--rl-primary-soft);color:var(--rl-primary);
  font-size:18px;margin-bottom:16px;
}
.point-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.point-card p{font-size:14px;color:var(--rl-text-2);line-height:1.8}
@media (min-width:600px){.point-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.point-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* ============ 对比表 ============ */
.compare-wrap{
  background:var(--rl-card);
  border:1px solid var(--rl-border);
  border-radius:var(--rl-r-lg);
  box-shadow:var(--rl-shadow);
  overflow:hidden;
}
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.rl-table{width:100%;border-collapse:collapse;min-width:520px;font-size:15px}
.rl-table thead th{
  background:var(--rl-bg-alt);
  color:var(--rl-text-2);
  font-size:14px;font-weight:800;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--rl-border);
  white-space:nowrap;
}
.rl-table tbody th{
  text-align:left;
  font-size:15px;font-weight:700;color:var(--rl-text);
  padding:18px 20px;
  border-bottom:1px solid var(--rl-divider);
  width:34%;
  background:#fff;
}
.rl-table tbody td{
  padding:18px 20px;color:var(--rl-text-2);font-size:14px;line-height:1.8;
  border-bottom:1px solid var(--rl-divider);
  vertical-align:top;
}
.rl-table tbody tr:last-child th,.rl-table tbody tr:last-child td{border-bottom:none}
.rl-table tbody tr:hover th,.rl-table tbody tr:hover td{background:#FFFBF8}
.compare-note{
  display:flex;align-items:flex-start;gap:10px;
  padding:16px 20px;background:var(--rl-primary-soft);
  font-size:13px;color:var(--rl-text-2);line-height:1.75;
}
.compare-note i{color:var(--rl-primary);margin-top:4px}

/* ============ 表单 ============ */
.consult-card{
  background:var(--rl-card);
  border:1px solid var(--rl-border);
  border-radius:var(--rl-r-dark);
  box-shadow:var(--rl-shadow);
  padding:24px;
}
.consult-head{margin-bottom:24px}
.consult-head h2{font-size:22px;font-weight:800;margin-bottom:10px}
.consult-head p{font-size:15px;color:var(--rl-text-2)}
.form-grid{display:grid;grid-template-columns:1fr;gap:18px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field label{font-size:14px;font-weight:700;color:var(--rl-text)}
.form-field .req{color:var(--rl-primary);margin-left:4px}
.form-control-rl{
  width:100%;min-height:46px;padding:10px 14px;
  border:1px solid var(--rl-border);
  border-radius:var(--rl-r-sm);
  background:#fff;
  font-size:15px;color:var(--rl-text);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.form-control-rl::placeholder{color:var(--rl-text-3)}
.form-control-rl:hover{border-color:#D8CBB9}
.form-control-rl:focus{
  outline:none;border:1.5px solid var(--rl-primary);
  box-shadow:0 0 0 3px rgba(228,87,46,.14);
}
textarea.form-control-rl{min-height:110px;resize:vertical;line-height:1.75}
.form-hint{font-size:13px;color:var(--rl-text-3);line-height:1.7}
.form-actions{margin-top:22px}
.form-actions .btn-rl{width:100%;min-height:48px}
.form-alert{
  display:none;margin-top:18px;padding:14px 18px;
  border-radius:var(--rl-r-sm);font-size:14px;line-height:1.75;
  border:1px solid transparent;
}
.form-alert.is-success{
  display:block;
  background:#EAF5F1;border-color:#C7E4DA;color:#1F5F51;
}
.form-alert.is-error{
  display:block;
  background:var(--rl-primary-soft);border-color:var(--rl-primary-line);color:var(--rl-primary-active);
}
@media (min-width:768px){
  .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-field-full{grid-column:1 / -1}
}
@media (min-width:992px){
  .consult-card{padding:36px}
  .consult-head h2{font-size:28px}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--rl-dark);
  color:#D9E4E1;
  padding:56px 0 24px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  background:rgba(255,255,255,.12);color:var(--rl-amber);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:none;
}
.footer-brand .brand-text{font-size:17px;font-weight:800;color:#fff;letter-spacing:.02em}
.footer-col h4{
  font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.02em;
}
.footer-col p{font-size:14px;color:#A9BBB7;line-height:1.85;max-width:340px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#C9D8D4;text-decoration:none;transition:color .18s ease-out}
.footer-col ul li a:hover{color:var(--rl-amber)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#C9D8D4}
.footer-contact i{color:var(--rl-amber);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8FA5A1;
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){
  .site-footer{padding:72px 0 26px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
}

/* roulang page: category2 */
:root{
  --rl-primary:#E4572E;
  --rl-primary-hover:#C8451F;
  --rl-primary-active:#A93A18;
  --rl-primary-soft:#FDEBE4;
  --rl-primary-line:rgba(228,87,46,.12);
  --rl-deep:#123C36;
  --rl-deep-hover:#0C2C27;
  --rl-deep-panel:#0F332E;
  --rl-amber:#F2B33D;
  --rl-amber-deep:#8A5A0B;
  --rl-amber-soft:#FDF3E0;
  --rl-success:#2E7D6B;
  --rl-bg:#FBF6F0;
  --rl-bg-2:#F3ECE4;
  --rl-card:#FFFFFF;
  --rl-text:#1E1B18;
  --rl-text-2:#6B6157;
  --rl-text-3:#9A8F84;
  --rl-border:#E6DCD0;
  --rl-divider:#EFE7DC;
  --rl-radius-lg:16px;
  --rl-radius-sm:10px;
  --rl-radius-img:12px;
  --rl-radius-panel:20px;
  --rl-radius-pill:999px;
  --rl-shadow:0 2px 8px rgba(30,27,24,.06);
  --rl-shadow-hover:0 12px 28px rgba(228,87,46,.16);
  --rl-shadow-dark:0 8px 24px rgba(0,0,0,.18);
  --rl-container:1200px;
  --rl-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--rl-text);
  background:var(--rl-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--rl-primary);text-decoration:none;text-underline-offset:4px;transition:color .18s ease-out;}
a:hover{color:var(--rl-primary-hover);}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;letter-spacing:.02em;font-weight:800;}
h2{font-size:22px;}
h3{font-size:18px;}
h4{font-size:16px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(228,87,46,.28);
  outline-offset:2px;
  border-radius:8px;
}
.rl-container{width:100%;max-width:var(--rl-container);margin:0 auto;padding:0 20px;}
.sec{padding:56px 0;}
.sec-white{background:#FFFFFF;}
.sec-bg{background:var(--rl-bg);}
.sec-soft{background:var(--rl-primary-soft);}
[id]{scroll-margin-top:110px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--rl-primary);
  background:var(--rl-primary-soft);
  border:1px solid var(--rl-primary-line);
  border-radius:var(--rl-radius-pill);
  padding:5px 14px;margin-bottom:14px;
}
.sec-title{max-width:720px;}
.sec-title p{color:var(--rl-text-2);font-size:16px;margin:0;}
/* ============ 顶部卡片化导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:14px 0;
  background:var(--rl-bg);
  transition:padding .2s ease-out,box-shadow .2s ease-out;
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:#fff;
  border:1px solid var(--rl-border);
  border-radius:var(--rl-radius-lg);
  box-shadow:var(--rl-shadow);
  padding:12px 16px;
  transition:padding .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{padding:8px 0;}
.site-header.is-scrolled .nav-panel{padding:8px 14px;box-shadow:0 6px 20px rgba(30,27,24,.10);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--rl-text);}
.brand:hover{color:var(--rl-text);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  background:var(--rl-primary);color:#fff;
  display:grid;place-items:center;font-size:17px;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.02em;white-space:nowrap;}
.nav-cards{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--rl-text-2);
  padding:9px 14px;border-radius:var(--rl-radius-sm);
  border:1px solid transparent;background:transparent;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.nav-card i{font-size:15px;color:var(--rl-text-3);transition:color .18s ease-out;}
.nav-card:hover{background:var(--rl-primary-soft);color:var(--rl-primary);transform:translateY(-2px);}
.nav-card:hover i{color:var(--rl-primary);}
.nav-card.is-active{background:var(--rl-primary);color:#fff;}
.nav-card.is-active i{color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:var(--rl-radius-sm);
  border:1px solid var(--rl-border);background:#fff;color:var(--rl-deep);
  font-size:18px;align-items:center;justify-content:center;cursor:pointer;
  transition:background .18s ease-out,border-color .18s ease-out;
}
.nav-toggle:hover{background:var(--rl-primary-soft);border-color:var(--rl-primary-line);color:var(--rl-primary);}
.mobile-nav{
  margin-top:12px;background:#fff;border:1px solid var(--rl-border);
  border-radius:var(--rl-radius-lg);box-shadow:var(--rl-shadow);padding:16px;
}
.mobile-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:14px;}
.mobile-card{
  display:flex;align-items:center;gap:8px;
  padding:14px 12px;border-radius:var(--rl-radius-sm);
  border:1px solid var(--rl-border);background:var(--rl-bg);
  font-size:14px;font-weight:600;color:var(--rl-text-2);
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.mobile-card i{color:var(--rl-text-3);}
.mobile-card:hover{background:var(--rl-primary-soft);color:var(--rl-primary);border-color:var(--rl-primary-line);}
.mobile-card:hover i{color:var(--rl-primary);}
.mobile-card.is-active{background:var(--rl-primary);color:#fff;border-color:var(--rl-primary);}
.mobile-card.is-active i{color:#fff;}
/* ============ 按钮 ============ */
.btn-rl{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--rl-radius-sm);
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-primary-rl{background:var(--rl-primary);color:#fff;}
.btn-primary-rl:hover{background:var(--rl-primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(228,87,46,.24);}
.btn-primary-rl:active{background:var(--rl-primary-active);transform:translateY(0);box-shadow:none;}
.btn-outline-rl{border-color:var(--rl-deep);color:var(--rl-deep);background:transparent;}
.btn-outline-rl:hover{background:var(--rl-deep);color:#fff;transform:translateY(-2px);}
.btn-outline-rl:active{background:var(--rl-deep-hover);color:#fff;transform:translateY(0);}
.btn-ghost-rl{border-color:var(--rl-border);color:var(--rl-text-2);background:#fff;}
.btn-ghost-rl:hover{border-color:var(--rl-primary);color:var(--rl-primary);transform:translateY(-2px);}
.btn-link-rl{color:var(--rl-primary);font-weight:700;text-decoration:underline;text-underline-offset:4px;}
.btn-link-rl:hover{color:var(--rl-primary-hover);}
.btn-rl[disabled],.btn-rl:disabled{opacity:.4;pointer-events:none;}
.btn-block{width:100%;}
/* Bootstrap 覆盖 */
.btn{border-radius:var(--rl-radius-sm);font-weight:700;}
.btn-primary{background:var(--rl-primary);border-color:var(--rl-primary);}
.btn-primary:hover,.btn-primary:focus{background:var(--rl-primary-hover);border-color:var(--rl-primary-hover);}
.btn-outline-primary{color:var(--rl-primary);border-color:var(--rl-primary);}
.btn-outline-primary:hover{background:var(--rl-primary);border-color:var(--rl-primary);}
.card{border:1px solid var(--rl-border);border-radius:var(--rl-radius-lg);box-shadow:var(--rl-shadow);}
.navbar{background:#fff;border-radius:var(--rl-radius-lg);}
.badge{font-weight:700;border-radius:var(--rl-radius-pill);}
.form-control,.form-select{border-radius:var(--rl-radius-sm);border:1px solid var(--rl-border);min-height:46px;color:var(--rl-text);}
.form-control:focus,.form-select:focus{border-color:var(--rl-primary);box-shadow:0 0 0 4px rgba(228,87,46,.14);}
/* ============ 徽章与标签 ============ */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--rl-radius-pill);
  padding:5px 12px;font-size:12.5px;font-weight:700;line-height:1.4;
}
.badge-primary{background:var(--rl-primary-soft);color:var(--rl-primary);border:1px solid var(--rl-primary-line);}
.badge-deep{background:#E4EDEB;color:var(--rl-deep);border:1px solid rgba(18,60,54,.14);}
.badge-amber{background:var(--rl-amber-soft);color:var(--rl-amber-deep);border:1px solid rgba(242,179,61,.4);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}
/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--rl-text-3);margin-bottom:16px;}
.crumb a{color:var(--rl-text-2);}
.crumb a:hover{color:var(--rl-primary);}
.crumb .sep{color:var(--rl-text-3);}
.crumb .current{color:var(--rl-text);font-weight:700;}
/* ============ Hero ============ */
.hero{padding:44px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;}
.hero h1{font-size:30px;margin-bottom:16px;}
.hero-sub{font-size:16.5px;color:var(--rl-text-2);max-width:520px;margin-bottom:24px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:10px;}
.metric-pill{
  display:inline-flex;align-items:baseline;gap:8px;
  background:#fff;border:1px solid var(--rl-border);
  border-radius:var(--rl-radius-pill);
  padding:8px 16px;font-size:13.5px;color:var(--rl-text-2);
  box-shadow:var(--rl-shadow);
}
.metric-pill strong{font-size:15px;color:var(--rl-deep);font-variant-numeric:tabular-nums;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--rl-radius-lg);overflow:hidden;
  box-shadow:0 12px 30px rgba(30,27,24,.12);
  background:#fff;border:1px solid var(--rl-border);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;right:-1px;bottom:-1px;width:88px;height:88px;
  background:var(--rl-primary-soft);
  clip-path:polygon(100% 0,100% 100%,0 100%);
  opacity:.92;pointer-events:none;
}
.hero-note{
  position:absolute;left:-14px;bottom:-18px;
  background:var(--rl-deep);color:#fff;border-radius:14px;
  padding:14px 18px;box-shadow:var(--rl-shadow-dark);
  max-width:250px;
}
.hero-note span{display:block;font-size:12.5px;color:#A9BBB7;margin-bottom:4px;}
.hero-note strong{display:block;font-size:14.5px;line-height:1.6;font-weight:700;}
/* ============ 准备提示条 ============ */
.prep-strip{
  position:relative;border-radius:var(--rl-radius-lg);overflow:hidden;
  background:#123C36 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:36px 32px;color:#fff;box-shadow:var(--rl-shadow-dark);
}
.prep-strip::before{content:"";position:absolute;inset:0;background:rgba(15,51,46,.86);}
.prep-inner{position:relative;z-index:1;}
.prep-inner h2{color:#fff;font-size:20px;margin-bottom:6px;}
.prep-inner p{color:#B9CCC8;font-size:14.5px;margin-bottom:22px;min-height:0;}
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.prep-item{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:18px;
  transition:background .2s ease-out,transform .2s ease-out;
}
.prep-item:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.prep-item i{color:var(--rl-amber);font-size:17px;margin-bottom:10px;display:block;}
.prep-item h3{color:#fff;font-size:15.5px;margin-bottom:6px;}
.prep-item p{color:#B9CCC8;font-size:13.8px;line-height:1.75;margin:0;}
/* ============ 标签筛选条 ============ */
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;padding:4px 2px 14px;
  scrollbar-width:thin;
}
.filter-bar::-webkit-scrollbar{height:6px;}
.filter-bar::-webkit-scrollbar-thumb{background:var(--rl-border);border-radius:99px;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:var(--rl-radius-pill);
  border:1px solid var(--rl-border);background:#fff;
  font-size:14px;font-weight:600;color:var(--rl-text-2);
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.chip:hover{border-color:var(--rl-primary);color:var(--rl-primary);transform:translateY(-2px);}
.chip.is-current{background:var(--rl-deep);border-color:var(--rl-deep);color:#fff;}
.chip.is-current i{color:var(--rl-amber);}
/* ============ 阶梯时间线 ============ */
.timeline-wrap{max-width:900px;margin:0 auto;}
.timeline{position:relative;}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,rgba(228,87,46,.35),var(--rl-divider) 60%,rgba(18,60,54,.12));
}
.tl-item{position:relative;display:grid;grid-template-columns:40px 1fr;gap:20px;padding-bottom:24px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  width:40px;height:40px;border-radius:var(--rl-radius-pill);
  display:grid;place-items:center;
  background:var(--rl-amber-soft);border:1px solid rgba(242,179,61,.5);
  color:var(--rl-amber-deep);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  position:relative;z-index:1;
}
.tl-card{
  background:#fff;border:1px solid var(--rl-border);
  border-radius:var(--rl-radius-lg);padding:22px 24px;
  box-shadow:var(--rl-shadow);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
}
.tl-card:hover{border-color:rgba(228,87,46,.4);box-shadow:var(--rl-shadow-hover);transform:translateY(-2px);}
.tl-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:10px;}
.tl-head h3{margin:0;font-size:18px;}
.tl-card p{color:var(--rl-text-2);font-size:15.5px;margin:0 0 14px;}
.tl-list{display:flex;flex-direction:column;gap:8px;}
.tl-list li{
  position:relative;padding-left:18px;
  font-size:14.5px;color:var(--rl-text-2);line-height:1.8;
}
.tl-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--rl-primary);
}
/* ============ FAQ ============ */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--rl-border);
  border-radius:14px;box-shadow:var(--rl-shadow);overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--rl-primary);opacity:0;transition:opacity .2s ease-out;
}
.faq-item.is-open::before{opacity:1;}
.faq-item:hover{border-color:rgba(228,87,46,.3);}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:700;color:var(--rl-text);line-height:1.5;
  transition:color .18s ease-out;
}
.faq-btn:hover{color:var(--rl-primary);}
.faq-item.is-open .faq-btn{color:var(--rl-primary);}
.faq-icon{color:var(--rl-text-3);font-size:14px;transition:transform .2s ease-out,color .2s ease-out;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);color:var(--rl-primary);}
.faq-body{padding:0 22px 20px;color:var(--rl-text-2);font-size:15.5px;line-height:1.85;}
/* ============ 深色 CTA 面板 ============ */
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--rl-deep);color:#fff;
  border-radius:var(--rl-radius-panel);
  padding:40px;box-shadow:var(--rl-shadow-dark);
  display:grid;grid-template-columns:1.25fr .95fr;gap:36px;align-items:center;
}
.cta-panel::before{
  content:"";position:absolute;top:0;right:0;width:260px;height:100%;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;}
.cta-copy h2{color:#fff;font-size:24px;margin-bottom:12px;}
.cta-copy p{color:#B9CCC8;font-size:15.5px;margin-bottom:24px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-actions .btn-outline-rl{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-actions .btn-outline-rl:hover{background:#fff;color:var(--rl-deep);border-color:#fff;}
.cta-card{
  position:relative;z-index:1;
  background:var(--rl-deep-panel);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--rl-radius-lg);
  padding:22px 24px;box-shadow:var(--rl-shadow-dark);
}
.cta-card h3{color:#fff;font-size:16px;margin-bottom:14px;}
.cta-card ul{display:flex;flex-direction:column;gap:10px;}
.cta-card li{display:flex;gap:10px;font-size:14.2px;color:#C3D4D0;line-height:1.75;}
.cta-card li i{color:var(--rl-amber);margin-top:5px;font-size:13px;}
/* ============ 页脚 ============ */
.site-footer{background:var(--rl-deep);color:#DCE7E4;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col p{color:#A9BBB7;font-size:14.2px;line-height:1.85;margin:0;max-width:340px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#C9D8D4;font-size:14.2px;}
.footer-col a:hover{color:var(--rl-amber);}
.footer-contact li{display:flex;gap:10px;color:#C9D8D4;font-size:14.2px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--rl-amber);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:#9DB0AC;
}
/* ============ 响应式 ============ */
@media (min-width:992px){
  .rl-container{padding:0 32px;}
  .sec{padding:var(--rl-section) 0;}
  .hero{padding:56px 0 72px;}
  .hero h1{font-size:46px;}
  h2{font-size:32px;}
  .cta-panel{padding:52px;}
  .cta-copy h2{font-size:30px;}
}
@media (min-width:1440px){
  .rl-container{max-width:1200px;}
}
@media (max-width:1199.98px){
  .nav-actions .btn-ghost-rl{display:none;}
}
@media (max-width:991.98px){
  .nav-cards{display:none;}
  .nav-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-panel{justify-content:space-between;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-note{position:static;max-width:100%;margin-top:14px;}
  .prep-grid{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;gap:24px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .sec{padding:48px 0;}
  .hero{padding:32px 0 48px;}
  .hero h1{font-size:28px;}
  h2{font-size:22px;}
  .tl-item{grid-template-columns:32px 1fr;gap:14px;}
  .tl-num{width:32px;height:32px;font-size:13px;}
  .timeline::before{left:15px;}
  .tl-card{padding:18px 16px;}
  .tl-head{flex-direction:column;gap:8px;}
  .prep-strip{padding:26px 20px;}
  .cta-panel{padding:24px 20px;}
  .cta-copy h2{font-size:22px;}
  .cta-actions .btn-rl{width:100%;}
  .hero-cta .btn-rl{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .mobile-grid{grid-template-columns:1fr;}
}