/* roulang page: index */
:root{
  --bs-primary:#F0410E;
  --bs-body-color:#0E1013;
  --bs-body-bg:#F8F7F5;
  --bs-border-color:#E7E4E0;
  --bs-link-color:#0E1013;
  --bs-link-hover-color:#F0410E;
  --primary:#F0410E;
  --primary-press:#C6330A;
  --primary-soft:#FFF1EC;
  --ink:#0E1013;
  --ink-2:#4A4F55;
  --ink-3:#8A8F96;
  --bg:#F8F7F5;
  --surface:#FFFFFF;
  --invert:#101216;
  --line:#E7E4E0;
  --line-soft:#F0EEEA;
  --accent:#12C99B;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(14,16,19,.04);
  --sh-2:0 14px 36px -16px rgba(14,16,19,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:"Inter","Helvetica Neue",Arial,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--sans);
  font-size:16px;line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--primary);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:0;color:var(--ink);}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--primary);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container,.container-lg{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
@media (min-width:1400px){
  .container,.container-lg{max-width:1280px;}
}
.row{--bs-gutter-x:24px;}
@media (min-width:992px){
  .row{--bs-gutter-x:32px;}
}

/* ============ 通用板块 ============ */
.section{padding:112px 0;}
.section-tight{padding:72px 0;}
.section-dark{background:var(--invert);color:#fff;}
.section-dark h2,.section-dark h3,.section-dark p{color:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--primary);text-transform:uppercase;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}
.section-head{max-width:760px;margin-bottom:56px;}
.section-title{
  font-size:38px;line-height:1.2;font-weight:700;
  letter-spacing:.005em;margin-bottom:18px;
}
.section-desc{font-size:16px;line-height:1.85;color:var(--ink-2);max-width:700px;}
.section-desc-wide{max-width:760px;}
.text-accent{color:var(--primary);}

/* ============ 按钮 ============ */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
  white-space:nowrap;
}
.rl-btn i{font-size:13px;transition:transform .25s var(--ease);}
.rl-btn:hover i{transform:translateX(3px);}
.rl-btn-primary{background:var(--primary);color:#fff;}
.rl-btn-primary:hover{background:var(--primary-press);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(240,65,14,.8);}
.rl-btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.rl-btn-outline:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-1px);}
.rl-btn-light{background:#fff;color:var(--ink);}
.rl-btn-light:hover{background:#fff;color:var(--primary);transform:translateY(-1px);}
.rl-btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.rl-btn-ghost:hover{background:#fff;border-color:#fff;color:var(--ink);transform:translateY(-1px);}
.rl-btn-lg{height:54px;padding:0 32px;font-size:16px;}
.rl-btn-sm{height:42px;padding:0 20px;font-size:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.text-link:hover{color:var(--primary);}
.text-link:hover::after{transform:scaleX(1);}

/* ============ 徽章 / 标签 ============ */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.chip{
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:all .22s var(--ease);cursor:default;
}
.chip:hover{border-color:var(--primary);color:var(--primary);}
.chip-active{background:var(--primary);border-color:var(--primary);color:#fff;}
.chip-active:hover{color:#fff;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease),background-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(10px);
  box-shadow:0 10px 30px -22px rgba(14,16,19,.5);
}
.header-inner{display:flex;align-items:center;gap:28px;height:78px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:12px;height:12px;border-radius:3px;background:var(--primary);
  box-shadow:0 0 0 4px var(--primary-soft);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--ink);}
.brand-text small{font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:.09em;margin-top:3px;}
.brand:hover .brand-text strong{color:var(--primary);}

.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto;}
.main-nav .nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--ink-2);
  background:none;border:0;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.main-nav .nav-link:hover{color:var(--ink);}
.main-nav .nav-link:hover::after{transform:scaleX(1);}
.main-nav .nav-link.active{color:var(--ink);font-weight:700;}
.main-nav .nav-link.active::after{transform:scaleX(1);}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);color:var(--ink-2);
  cursor:pointer;transition:all .22s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);color:var(--ink);}
.hamburger{display:none;}

.search-panel{
  max-height:0;overflow:hidden;background:#fff;
  border-bottom:1px solid transparent;
  transition:max-height .34s var(--ease),border-color .34s var(--ease);
}
.search-panel.is-open{max-height:120px;border-bottom-color:var(--line);}
.search-form{
  display:flex;align-items:center;gap:12px;
  padding:18px 0;
}
.search-form i{color:var(--ink-3);font-size:15px;}
.search-form input{
  flex:1 1 auto;height:46px;border:1.5px solid var(--line);
  border-radius:var(--r-pill);padding:0 22px;background:var(--bg);
  color:var(--ink);outline:none;transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form input:focus{border-color:var(--primary);background:#fff;}

/* 移动抽屉 */
.mobile-drawer{width:min(92vw,400px);background:#fff;border:0;}
.mobile-drawer .offcanvas-header{
  padding:22px 24px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-drawer .offcanvas-body{padding:24px;display:flex;flex-direction:column;}
.drawer-nav{display:flex;flex-direction:column;gap:20px;}
.drawer-nav a{
  font-size:19px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--ink-3);}
.drawer-nav a.active{color:var(--primary);}
.drawer-nav a.active::after{color:var(--primary);}
.drawer-foot{margin-top:auto;padding-top:32px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:16px;}
.drawer-foot p{font-size:13px;line-height:1.7;color:var(--ink-3);}

/* ============ Hero ============ */
.hero{
  position:relative;
  display:flex;align-items:center;
  min-height:80vh;
  padding:84px 0 64px;
  background:
    radial-gradient(1100px 560px at 90% 8%, #FFF1EC 0%, rgba(248,247,245,0) 62%),
    var(--bg);
  overflow:hidden;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--ink-3);
  padding:8px 16px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:rgba(255,255,255,.7);margin-bottom:26px;
}
.hero-title{
  font-size:64px;line-height:1.08;font-weight:800;
  letter-spacing:.005em;margin-bottom:26px;
}
.hero-title .line-2{display:block;color:var(--primary);}
.hero-sub{
  font-size:17px;line-height:1.8;color:var(--ink-2);
  max-width:600px;margin-bottom:34px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-points{
  display:flex;flex-wrap:wrap;gap:12px 32px;
  padding-top:28px;border-top:1px solid var(--line-soft);
}
.hero-points li{
  display:flex;align-items:center;gap:9px;
  font-size:14px;color:var(--ink-2);
}
.hero-points li i{color:var(--primary);font-size:12px;}

.hero-media-wrap{position:relative;}
.hero-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:4/3.4;box-shadow:var(--sh-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.hero-media:hover img{transform:scale(1.03);}
.hero-badge{
  position:absolute;left:18px;bottom:18px;
  display:flex;align-items:center;gap:12px;
  padding:13px 18px;border-radius:14px;
  background:rgba(255,255,255,.95);
  box-shadow:var(--sh-2);
  backdrop-filter:blur(6px);
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(18,201,155,.16);}
.hero-badge span{font-size:13px;font-weight:600;color:var(--ink);}
.hero-badge small{display:block;font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:.04em;}

.hero-strip{border-top:1px solid var(--line-soft);background:rgba(255,255,255,.6);}
.hero-strip-inner{
  display:flex;gap:36px;align-items:center;
  padding:18px 0;overflow-x:auto;scrollbar-width:none;
}
.hero-strip-inner::-webkit-scrollbar{display:none;}
.hero-strip-inner span{
  font-size:13px;color:var(--ink-3);letter-spacing:.06em;white-space:nowrap;
  position:relative;padding-left:18px;
}
.hero-strip-inner span::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--line);
}

/* ============ 主张条 ============ */
.claim-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);}
.claim-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.claim-item{padding:34px 28px;border-right:1px solid var(--line-soft);}
.claim-item:last-child{border-right:0;}
.claim-item h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.claim-item p{font-size:14px;line-height:1.75;color:var(--ink-3);}
.claim-note{
  padding:22px 0 26px;border-top:1px solid var(--line-soft);
  font-size:14px;color:var(--ink-2);
}

/* ============ 故事 / 理念 ============ */
.story-grid{display:grid;grid-template-columns:5fr 7fr;gap:72px;align-items:start;}
.story-lead h2{font-size:40px;line-height:1.2;font-weight:700;margin-bottom:22px;}
.story-lead p{font-size:16px;line-height:1.85;color:var(--ink-2);max-width:420px;}
.num-list{display:flex;flex-direction:column;gap:36px;}
.num-item{display:flex;gap:24px;padding-bottom:36px;border-bottom:1px solid var(--line-soft);}
.num-item:last-child{border-bottom:0;padding-bottom:0;}
.num-index{
  font-size:42px;font-weight:800;line-height:1;
  color:rgba(14,16,19,.12);font-variant-numeric:tabular-nums;
  flex:0 0 auto;letter-spacing:-.01em;
}
.num-item h3{font-size:22px;font-weight:600;margin-bottom:10px;}
.num-item p{font-size:15px;line-height:1.8;color:var(--ink-2);}
.story-media{
  margin-top:56px;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);border:1px solid var(--line);
}
.story-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s var(--ease);}
.story-media:hover img{transform:scale(1.03);}
.story-media figcaption{font-size:13px;color:var(--ink-3);padding:14px 18px;background:var(--surface);border-top:1px solid var(--line-soft);}

/* ============ 最新信息 ============ */
.latest-grid{display:grid;grid-template-columns:6fr 5fr;gap:40px;align-items:start;}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(240,65,14,.3);}
.feature-media{display:block;overflow:hidden;aspect-ratio:16/10;}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.feature-card:hover .feature-media img{transform:scale(1.03);}
.feature-body{padding:28px;}
.feature-title{font-size:24px;line-height:1.35;font-weight:600;margin:14px 0 12px;}
.feature-title a{color:var(--ink);}
.feature-title a:hover{color:var(--primary);}
.feature-summary{font-size:15px;line-height:1.75;color:var(--ink-2);margin-bottom:16px;}
.meta-line{font-size:13px;color:var(--ink-3);letter-spacing:.02em;font-variant-numeric:tabular-nums;}

.latest-list{display:flex;flex-direction:column;gap:14px;}
.list-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.list-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(240,65,14,.3);}
.list-card-link{display:flex;gap:18px;align-items:flex-start;justify-content:space-between;padding:22px 24px;}
.list-card-main{min-width:0;}
.meta-cat{
  display:inline-block;font-size:12px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border-radius:var(--r-pill);padding:4px 11px;margin-bottom:10px;
}
.list-card-title{font-size:17px;line-height:1.45;font-weight:600;margin-bottom:8px;}
.list-card:hover .list-card-title{color:var(--primary);}
.list-card-summary{
  font-size:14px;line-height:1.7;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.list-card-date{
  font-size:13px;color:var(--ink-3);white-space:nowrap;
  font-variant-numeric:tabular-nums;flex:0 0 auto;padding-top:4px;
}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;
}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:14px;}

/* ============ 分类宫格 ============ */
.cat-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:20px;}
.cat-card{
  position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:28px;
  min-height:196px;padding:30px;border-radius:var(--r-card);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease),background-color .3s var(--ease);
}
.cat-card:hover{
  transform:translateY(-4px);box-shadow:var(--sh-2);
  border-color:rgba(240,65,14,.3);background:var(--primary-soft);
}
.cat-card h3{font-size:22px;font-weight:600;margin-bottom:10px;}
.cat-card p{font-size:14px;line-height:1.75;color:var(--ink-3);max-width:420px;}
.cat-arrow{
  align-self:flex-start;color:var(--ink-3);font-size:15px;
  transition:transform .3s var(--ease),color .3s var(--ease);
}
.cat-card:hover .cat-arrow{transform:translateX(6px);color:var(--primary);}
.cat-card-lg{
  grid-row:span 2;min-height:100%;
  justify-content:flex-end;
  background-image:url('/assets/images/coverpic/cover-2.webp');
  background-size:cover;background-position:center;
  border:0;overflow:hidden;color:#fff;
}
.cat-card-lg::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,16,19,.18) 0%,rgba(14,16,19,.86) 100%);
  transition:opacity .3s var(--ease);
}
.cat-card-lg:hover{background-color:transparent;}
.cat-card-lg:hover::before{opacity:.9;}
.cat-card-lg > *{position:relative;z-index:1;}
.cat-card-lg h3{color:#fff;font-size:26px;}
.cat-card-lg p{color:rgba(255,255,255,.72);max-width:380px;}
.cat-card-lg .cat-arrow{color:rgba(255,255,255,.8);}
.cat-card-lg:hover .cat-arrow{color:#fff;}
.cat-card-wide{grid-column:1 / -1;min-height:auto;}
.cat-card-wide .cat-head{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;}

/* ============ 信任 / 数据 ============ */
.trust-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.stat-item{padding:40px 28px;border-right:1px solid var(--line-soft);}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-size:44px;font-weight:800;line-height:1;
  color:var(--ink);font-variant-numeric:tabular-nums;
  display:flex;align-items:baseline;gap:4px;
}
.stat-num em{font-size:16px;font-style:normal;font-weight:600;color:var(--ink-3);}
.stat-label{font-size:14px;color:var(--ink-3);margin-top:12px;line-height:1.7;}

.logo-row{
  display:flex;flex-wrap:wrap;gap:14px 40px;align-items:center;
  padding:36px 0;border-top:1px solid var(--line-soft);
}
.logo-chip{
  font-size:15px;font-weight:600;color:var(--ink-3);
  letter-spacing:.04em;filter:grayscale(1);opacity:.65;
  transition:all .28s var(--ease);
}
.logo-chip:hover{color:var(--primary);filter:grayscale(0);opacity:1;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:64px;align-items:start;}
.faq-side h2{font-size:36px;line-height:1.22;font-weight:700;margin-bottom:18px;}
.faq-side p{font-size:15px;line-height:1.8;color:var(--ink-2);margin-bottom:24px;}
.faq-accordion .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(240,65,14,.35);}
.faq-accordion .accordion-button{
  display:flex;align-items:center;gap:18px;
  width:100%;padding:22px 24px;
  background:var(--surface);color:var(--ink);
  font-size:17px;font-weight:600;line-height:1.5;
  box-shadow:none;border:0;border-radius:var(--r-card);
  transition:background-color .28s var(--ease),color .28s var(--ease);
}
.faq-accordion .accordion-button:focus{box-shadow:none;}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--primary-soft);color:var(--primary);
}
.faq-accordion .accordion-button::after{display:none;}
.faq-accordion .accordion-button h3{
  font-size:17px;font-weight:600;margin:0;color:inherit;
}
.acc-icon{position:relative;flex:0 0 20px;width:20px;height:20px;margin-left:auto;color:currentColor;}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.acc-icon::before{left:0;top:9px;width:20px;height:2px;}
.acc-icon::after{left:9px;top:0;width:2px;height:20px;}
.accordion-button:not(.collapsed) .acc-icon::after{transform:rotate(90deg);opacity:0;}
.faq-accordion .accordion-body{
  padding:4px 24px 26px;font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ============ CTA 深色带 ============ */
.cta-band{
  background:var(--invert);color:#fff;padding:88px 0;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,65,14,.28) 0%,rgba(240,65,14,0) 68%);
}
.cta-inner{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative;z-index:1;}
.cta-inner h2{font-size:38px;line-height:1.2;font-weight:700;margin-bottom:16px;color:#fff;}
.cta-inner p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.66);max-width:520px;}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe-form input{
  flex:1 1 220px;height:54px;border-radius:var(--r-pill);
  border:1.5px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  color:#fff;padding:0 24px;outline:none;
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.45);}
.subscribe-form input:focus{border-color:var(--primary);background:rgba(255,255,255,.1);}
.form-hint{font-size:13px;color:rgba(255,255,255,.45);margin-top:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--invert);color:#fff;padding:72px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:4fr 2.4fr 2.4fr 3.4fr;gap:48px;padding-bottom:56px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.45);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);margin:20px 0 0;max-width:320px;}
.footer-links{display:flex;flex-direction:column;gap:0;}
.footer-col h3{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:rgba(255,255,255,.42);
  margin-bottom:20px;text-transform:uppercase;
}
.footer-col a,.footer-col span{
  display:block;font-size:14px;color:rgba(255,255,255,.72);
  padding:7px 0;transition:color .22s var(--ease),transform .22s var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(3px);}
.footer-form{display:flex;flex-direction:column;gap:12px;margin-top:4px;}
.footer-form input{
  height:48px;border-radius:var(--r-pill);border:1.5px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 22px;outline:none;
  transition:border-color .24s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.4);}
.footer-form input:focus{border-color:var(--primary);}
.footer-form .rl-btn{width:100%;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:24px 0 30px;display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.42);margin:0;}
.footer-bottom nav{display:flex;gap:22px;}
.footer-bottom nav a{font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom nav a:hover{color:#fff;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}
@keyframes heroMask{
  from{clip-path:inset(0 0 100% 0);opacity:0;}
  to{clip-path:inset(0 0 0 0);opacity:1;}
}
.hero-title{animation:heroMask .55s var(--ease) both;}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .hero-title{font-size:58px;}
  .section{padding:96px 0;}
}
@media (max-width:1199px){
  .hero-title{font-size:50px;}
  .story-grid{gap:48px;}
  .faq-wrap{gap:44px;}
  .footer-grid{grid-template-columns:4fr 3fr 3fr;gap:40px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-brand p{max-width:560px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .hamburger{display:inline-flex;}
  .header-inner{height:68px;gap:16px;}
  .header-inner .header-actions .rl-btn{display:none !important;}
  .hero{min-height:auto;padding:56px 0 48px;}
  .hero-title{font-size:44px;}
  .hero-sub{font-size:16px;}
  .hero-media{aspect-ratio:16/10;margin-top:8px;}
  .claim-grid{grid-template-columns:repeat(2,1fr);}
  .claim-item{border-right:0;border-bottom:1px solid var(--line-soft);}
  .claim-item:nth-child(2n){border-right:0;}
  .claim-item:nth-child(odd){border-right:1px solid var(--line-soft);}
  .claim-item:last-child,.claim-item:nth-last-child(2){border-bottom:0;}
  .story-grid{grid-template-columns:1fr;gap:40px;}
  .story-lead p{max-width:none;}
  .latest-grid{grid-template-columns:1fr;gap:24px;}
  .cat-grid{grid-template-columns:1fr;}
  .cat-card-lg{grid-row:auto;min-height:280px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item{border-bottom:1px solid var(--line-soft);}
  .stat-item:nth-child(2n){border-right:0;}
  .stat-item:nth-last-child(-n+2){border-bottom:0;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .cta-inner h2{font-size:32px;}
  .section{padding:72px 0;}
  .section-title{font-size:32px;}
  .section-head{margin-bottom:40px;}
}
@media (max-width:767px){
  .container,.container-lg{padding-left:20px;padding-right:20px;}
  .hero-title{font-size:36px;line-height:1.14;}
  .hero-eyebrow{font-size:12px;padding:7px 14px;}
  .hero-cta{gap:12px;}
  .hero-cta .rl-btn{width:100%;}
  .hero-badge{left:12px;right:12px;bottom:12px;padding:12px 14px;}
  .hero-strip-inner{gap:24px;}
  .section-title{font-size:28px;}
  .story-lead h2{font-size:30px;}
  .faq-side h2{font-size:28px;}
  .num-item{gap:16px;}
  .num-index{font-size:32px;}
  .num-item h3{font-size:19px;}
  .feature-body{padding:22px;}
  .feature-title{font-size:20px;}
  .list-card-link{flex-direction:column;gap:10px;padding:20px;}
  .stat-item{padding:30px 20px;}
  .stat-num{font-size:36px;}
  .footer-grid{grid-template-columns:1fr;gap:36px;padding-bottom:40px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:64px 0;}
  .cta-inner h2{font-size:27px;}
  .subscribe-form .rl-btn{width:100%;}
}
@media (max-width:575px){
  .claim-grid{grid-template-columns:1fr;}
  .claim-item{border-right:0 !important;}
  .claim-item:nth-last-child(2){border-bottom:1px solid var(--line-soft);}
  .hero-title{font-size:31px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0 !important;}
  .stat-item:nth-last-child(2){border-bottom:1px solid var(--line-soft);}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1 !important;transform:none !important;}
}

/* roulang page: article */
:root{
  --rl-primary:#F0410E;
  --rl-primary-press:#C6330A;
  --rl-primary-soft:#FFF1EC;
  --rl-ink:#0E1013;
  --rl-ink-2:#4A4F55;
  --rl-ink-3:#8A8F96;
  --rl-bg:#F8F7F5;
  --rl-surface:#FFFFFF;
  --rl-invert:#101216;
  --rl-line:#E7E4E0;
  --rl-line-soft:#F0EDEA;
  --rl-accent:#12C99B;
  --rl-radius-card:16px;
  --rl-radius-img:12px;
  --rl-radius-pill:999px;
  --rl-shadow-1:0 1px 2px rgba(14,16,19,.04);
  --rl-shadow-2:0 14px 36px -16px rgba(14,16,19,.18);
  --rl-ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#F0410E;
  --bs-body-color:#0E1013;
  --bs-body-bg:#F8F7F5;
  --bs-border-color:#E7E4E0;
  --bs-link-color:#0E1013;
  --bs-link-hover-color:#F0410E;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  color:var(--rl-ink);
  background:var(--rl-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--rl-ink);text-decoration:none}
a:hover{color:var(--rl-primary)}
h1,h2,h3,h4{margin:0;color:var(--rl-ink);letter-spacing:0}
p{margin:0}
button{font-family:inherit}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:2px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
@media (min-width:1400px){.container{max-width:1280px}}
@media (max-width:767.98px){.container{padding-left:20px;padding-right:20px}}

/* 按钮系统 */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--rl-radius-pill);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background-color .22s var(--rl-ease),color .22s var(--rl-ease),border-color .22s var(--rl-ease),transform .22s var(--rl-ease),box-shadow .22s var(--rl-ease);
}
.rl-btn i{transition:transform .22s var(--rl-ease)}
.rl-btn:hover i{transform:translateX(3px)}
.rl-btn-primary{background:var(--rl-primary);color:#fff}
.rl-btn-primary:hover{background:var(--rl-primary-press);color:#fff;transform:translateY(-1px)}
.rl-btn-ghost{background:transparent;border-color:var(--rl-ink);color:var(--rl-ink)}
.rl-btn-ghost:hover{background:var(--rl-ink);color:#fff;transform:translateY(-1px)}
.rl-btn-light{background:#fff;color:var(--rl-ink)}
.rl-btn-light:hover{background:var(--rl-primary);color:#fff;transform:translateY(-1px)}
.rl-btn-sm{height:40px;padding:0 18px;font-size:14px}
.rl-btn-lg{height:54px;padding:0 30px;font-size:16px}

.rl-text-link{
  display:inline-flex;align-items:center;gap:8px;position:relative;
  font-size:15px;font-weight:600;color:var(--rl-ink);padding-bottom:3px;
}
.rl-text-link::after{
  content:'';position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--rl-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--rl-ease);
}
.rl-text-link:hover{color:var(--rl-primary)}
.rl-text-link:hover::after{transform:scaleX(1)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--rl-line);
  transition:box-shadow .28s var(--rl-ease),background-color .28s var(--rl-ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 10px 30px -22px rgba(14,16,19,.45);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--rl-ink);flex:0 0 auto}
.brand:hover{color:var(--rl-ink)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--rl-primary);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:'';position:absolute;inset:9px;border:2.5px solid #fff;border-radius:50%;
  border-top-color:transparent;transform:rotate(-35deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.01em}
.brand-text small{font-size:11px;color:var(--rl-ink-3);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--rl-ink-2);
  padding:6px 0;transition:color .22s var(--rl-ease);
}
.nav-link::after{
  content:'';position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--rl-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--rl-ease);
}
.nav-link:hover{color:var(--rl-ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--rl-ink);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--rl-line);
  background:#fff;color:var(--rl-ink-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .22s var(--rl-ease);
}
.icon-btn:hover{border-color:var(--rl-primary);color:var(--rl-primary);background:var(--rl-primary-soft)}
.hamburger{display:none}
@media (max-width:991.98px){
  .main-nav{display:none}
  .hamburger{display:inline-flex}
  .header-actions .rl-btn{display:none}
}

/* 搜索层 */
.search-layer{
  position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--rl-line);
  box-shadow:0 20px 40px -30px rgba(14,16,19,.4);
  padding:22px 0;display:none;
}
.search-layer.is-open{display:block}
.search-form{
  display:flex;align-items:center;gap:12px;
  border:1.5px solid var(--rl-line);border-radius:var(--rl-radius-pill);
  height:54px;padding:0 10px 0 22px;background:var(--rl-bg);
  transition:border-color .22s var(--rl-ease);
}
.search-form:focus-within{border-color:var(--rl-primary);background:#fff}
.search-form i{color:var(--rl-ink-3)}
.search-form input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--rl-ink);height:100%;
}
.search-form input::placeholder{color:var(--rl-ink-3)}

/* 移动抽屉 */
.rl-drawer{width:min(92vw,420px);border-left:0;background:#fff}
.rl-drawer .offcanvas-header{padding:20px 24px;border-bottom:1px solid var(--rl-line-soft);align-items:center}
.rl-drawer .offcanvas-body{padding:28px 24px 32px;display:flex;flex-direction:column}
.drawer-nav{display:flex;flex-direction:column;gap:20px;margin-bottom:32px}
.drawer-nav .nav-link{font-size:19px;font-weight:600;color:var(--rl-ink);padding:0}
.drawer-nav .nav-link::after{display:none}
.drawer-nav .nav-link.active{color:var(--rl-primary)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.drawer-foot p{font-size:13px;color:var(--rl-ink-3);line-height:1.7}

/* 面包屑 */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--rl-ink-3);letter-spacing:.02em;margin-bottom:26px;
}
.crumbs a{color:var(--rl-ink-3)}
.crumbs a:hover{color:var(--rl-primary)}
.crumbs .sep{color:var(--rl-line);font-size:12px}
.crumb-cur{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--rl-ink-2)}

/* 文章头 */
.article-hero{background:var(--rl-bg);padding:44px 0 0}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--rl-primary-soft);color:var(--rl-primary);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:6px 14px;border-radius:var(--rl-radius-pill);
}
.article-title{
  font-size:clamp(26px,3.6vw,42px);line-height:1.24;font-weight:800;
  color:var(--rl-ink);margin:18px 0 20px;max-width:920px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--rl-ink-3);letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.article-meta .vline{width:1px;height:12px;background:var(--rl-line)}
.hero-rule{border:0;border-top:1px solid var(--rl-line);margin:28px 0 0;opacity:1}

/* 正文布局 */
.article-main{padding:36px 0 0;background:var(--rl-bg)}
.article-main .row{--bs-gutter-x:32px;--bs-gutter-y:36px}
.cover-figure{
  margin:0 0 36px;border-radius:var(--rl-radius-card);overflow:hidden;
  box-shadow:var(--rl-shadow-1);background:#fff;
}
.cover-figure img{width:100%;aspect-ratio:16/7;object-fit:cover;transition:transform .38s var(--rl-ease)}
.cover-figure:hover img{transform:scale(1.03)}
.cover-figure figcaption{font-size:13px;color:var(--rl-ink-3);text-align:center;padding:12px 16px}

/* 正文排版 */
.article-body{max-width:760px;font-size:16.5px;line-height:1.85;color:var(--rl-ink-2)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:28px;line-height:1.32;font-weight:700;color:var(--rl-ink);
  margin:46px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:'';position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--rl-primary);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--rl-ink);margin:32px 0 14px}
.article-body h4{font-size:17px;font-weight:600;color:var(--rl-ink);margin:24px 0 12px}
.article-body a{
  color:var(--rl-primary);text-decoration:underline;
  text-decoration-color:rgba(240,65,14,.35);text-underline-offset:3px;
}
.article-body a:hover{text-decoration-color:var(--rl-primary)}
.article-body strong{color:var(--rl-ink);font-weight:600}
.article-body ul{list-style:none;padding:0;margin:0 0 22px}
.article-body ul > li{position:relative;padding-left:20px;margin-bottom:12px;font-size:15.5px;line-height:1.8}
.article-body ul > li::before{
  content:'';position:absolute;left:2px;top:12px;width:6px;height:6px;
  background:var(--rl-primary);border-radius:1px;
}
.article-body ol{padding-left:22px;margin:0 0 22px}
.article-body ol > li{margin-bottom:12px;font-size:15.5px;line-height:1.8;padding-left:4px}
.article-body ol > li::marker{color:var(--rl-primary);font-weight:700;font-variant-numeric:tabular-nums}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;background:var(--rl-bg);
  border-left:3px solid var(--rl-primary);border-radius:0 var(--rl-radius-img) var(--rl-radius-img) 0;
  font-style:italic;color:var(--rl-ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--rl-radius-img);margin:22px 0;box-shadow:var(--rl-shadow-1)}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0}
.article-body figcaption{font-size:13px;color:var(--rl-ink-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-body table th{
  background:var(--rl-ink);color:#fff;font-weight:600;text-align:left;
  padding:12px 16px;font-size:14px;letter-spacing:.02em;
}
.article-body table th:first-child{border-radius:8px 0 0 0}
.article-body table th:last-child{border-radius:0 8px 0 0}
.article-body table td{padding:12px 16px;border-bottom:1px solid var(--rl-line-soft);color:var(--rl-ink-2)}
.article-body table tr:hover td{background:#fff}
.article-body hr{border:0;border-top:1px solid var(--rl-line);margin:36px 0}

/* 空态 */
.article-empty{
  background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-radius-card);
  padding:56px 40px;box-shadow:var(--rl-shadow-1);max-width:720px;
}
.article-empty h2{font-size:24px;font-weight:700;margin-bottom:14px}
.article-empty p{font-size:15px;color:var(--rl-ink-2);margin-bottom:26px;line-height:1.8}

/* 标签与返回 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0}
.tag-pill{
  font-size:13px;color:var(--rl-ink-2);border:1px solid var(--rl-line);
  border-radius:var(--rl-radius-pill);padding:7px 16px;transition:all .22s var(--rl-ease);
}
.tag-pill:hover{border-color:rgba(240,65,14,.42);color:var(--rl-primary);background:var(--rl-primary-soft)}
.back-row{margin-top:36px;padding-top:28px;border-top:1px solid var(--rl-line)}

/* 相关推荐 */
.related{margin-top:64px}
.sec-title{font-size:26px;font-weight:700;color:var(--rl-ink);margin-bottom:8px}
.sec-sub{font-size:14px;color:var(--rl-ink-3);margin-bottom:26px}
.rel-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-radius-card);overflow:hidden;box-shadow:var(--rl-shadow-1)}
.rel-card{
  display:flex;align-items:center;gap:24px;padding:22px 24px;
  border-bottom:1px solid var(--rl-line-soft);transition:background-color .22s var(--rl-ease);
}
.rel-card:last-child{border-bottom:0}
.rel-card:hover{background:var(--rl-primary-soft)}
.rel-thumb{width:120px;height:80px;border-radius:var(--rl-radius-img);overflow:hidden;flex:0 0 auto;background:var(--rl-bg)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .38s var(--rl-ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body h3{font-size:18px;font-weight:600;color:var(--rl-ink);margin-bottom:8px;transition:color .22s var(--rl-ease)}
.rel-card:hover .rel-body h3{color:var(--rl-primary)}
.rel-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--rl-ink-3);font-variant-numeric:tabular-nums}
.rel-meta .dot{color:var(--rl-line)}
.rel-arrow{margin-left:auto;color:var(--rl-ink-3);transition:transform .25s var(--rl-ease),color .25s var(--rl-ease)}
.rel-card:hover .rel-arrow{transform:translateX(4px);color:var(--rl-primary)}

/* 侧栏 */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px}
.side-card{
  background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-radius-card);
  padding:24px;box-shadow:var(--rl-shadow-1);
}
.side-title{
  font-size:15px;font-weight:700;color:var(--rl-ink);letter-spacing:.02em;
  padding-bottom:14px;margin-bottom:18px;border-bottom:1px solid var(--rl-line-soft);
}
.toc-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px}
.toc-list li a{
  display:block;font-size:14px;line-height:1.6;color:var(--rl-ink-2);
  border-left:2px solid var(--rl-line);padding-left:12px;transition:all .22s var(--rl-ease);
}
.toc-list li a:hover{color:var(--rl-primary);border-left-color:var(--rl-primary)}
.toc-empty{font-size:13px;color:var(--rl-ink-3);line-height:1.7}
.side-links{display:flex;flex-direction:column;gap:16px}
.side-link{display:flex;align-items:flex-start;gap:10px;font-size:14px;font-weight:600;color:var(--rl-ink);line-height:1.6}
.side-link i{color:var(--rl-primary);font-size:12px;margin-top:6px}
.side-link:hover{color:var(--rl-primary)}
.side-note{font-size:13px;color:var(--rl-ink-3);line-height:1.75;margin-top:16px;padding-top:16px;border-top:1px solid var(--rl-line-soft)}

/* 深色 CTA */
.cta-band{
  background:var(--rl-invert);color:#fff;border-radius:24px;
  padding:64px;margin:72px 0;
  display:flex;align-items:center;justify-content:space-between;gap:48px;
}
.cta-band h2{font-size:clamp(26px,3vw,38px);line-height:1.24;font-weight:800;color:#fff;margin-bottom:14px}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.68);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
.cta-band .rl-btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .rl-btn-ghost:hover{background:#fff;color:var(--rl-ink);border-color:#fff}

/* 页脚 */
.site-footer{background:var(--rl-invert);color:#fff;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:48px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-text strong,.footer-brand .brand-text small{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.62);margin-bottom:12px;transition:color .2s var(--rl-ease)}
.footer-col a:hover{color:#fff}
.footer-form{display:flex;flex-direction:column;gap:12px}
.footer-form input{
  height:48px;border-radius:var(--rl-radius-pill);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;padding:0 20px;font-size:14px;outline:none;
  transition:border-color .22s var(--rl-ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.45)}
.footer-form input:focus{border-color:var(--rl-primary)}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);letter-spacing:.02em;
}
.footer-bottom nav a{color:rgba(255,255,255,.5);margin-left:18px;font-size:13px}
.footer-bottom nav a:hover{color:#fff}

/* 入场动效 */
body.has-js .reveal{opacity:0;transform:translateY(16px)}
body.has-js .reveal.is-visible{
  opacity:1;transform:none;
  transition:opacity .6s var(--rl-ease),transform .6s var(--rl-ease);
}

@media (max-width:1199.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:48px}
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .cta-band{margin:56px 0}
}
@media (max-width:767.98px){
  .article-hero{padding-top:30px}
  .article-title{margin-bottom:16px}
  .cover-figure{margin-bottom:28px}
  .article-body h2{font-size:23px;margin-top:36px}
  .article-body h3{font-size:18px}
  .rel-card{gap:16px;padding:18px 18px}
  .rel-thumb{width:96px;height:72px}
  .rel-body h3{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .cta-band{padding:32px;border-radius:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom nav a{margin:0 18px 0 0}
}
@media (max-width:575.98px){
  .article-empty{padding:36px 22px}
  .rel-card{flex-wrap:wrap}
  .rel-arrow{display:none}
}
@media (prefers-reduced-motion:reduce){
  body.has-js .reveal{opacity:1!important;transform:none!important;transition:none!important}
  *{transition-duration:.001ms!important;animation-duration:.001ms!important}
}

/* roulang page: category1 */
:root{
  --primary:#F0410E;
  --primary-dark:#C6330A;
  --primary-soft:#FFF1EC;
  --ink:#0E1013;
  --ink-2:#4A4F55;
  --ink-3:#8A8F96;
  --bg:#F8F7F5;
  --surface:#FFFFFF;
  --invert:#101216;
  --line:#E7E4E0;
  --line-soft:#F0EDE9;
  --accent:#12C99B;
  --radius-card:16px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(14,16,19,.04);
  --shadow-2:0 14px 36px -16px rgba(14,16,19,.18);
  --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px;
  --space-5:24px; --space-6:32px; --space-7:48px; --space-8:64px;
  --space-9:96px; --space-10:120px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --bs-primary:#F0410E;
  --bs-primary-rgb:240,65,14;
  --bs-body-color:#4A4F55;
  --bs-body-bg:#F8F7F5;
  --bs-border-color:#E7E4E0;
  --bs-link-color:#0E1013;
  --bs-link-hover-color:#F0410E;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,"Helvetica Neue",Arial,sans-serif;
  --bs-gutter-x:24px;
  --bs-gutter-y:24px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:0}
h1{font-size:clamp(30px,4vw,52px);line-height:1.12;font-weight:800}
h2{font-size:clamp(26px,3vw,38px);line-height:1.22;font-weight:700}
h3{font-size:21px;line-height:1.4;font-weight:600}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container,
.container-fluid,
.container-lg{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
@media (min-width:1400px){
  .container,.container-lg{max-width:1280px}
}

/* ============ 按钮 ============ */
.rl-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background-color .24s var(--ease),color .24s var(--ease),
             border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.rl-btn i{transition:transform .24s var(--ease)}
.rl-btn:hover i{transform:translateX(3px)}
.rl-btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.rl-btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.rl-btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.rl-btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-1px)}
.rl-btn-light{background:#fff;color:var(--ink);border-color:#fff}
.rl-btn-light:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-1px)}
.rl-btn-lg{height:54px;padding:0 32px;font-size:16px}
.rl-link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);position:relative;padding-bottom:2px;
}
.rl-link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--primary);transition:width .28s var(--ease);
}
.rl-link-more:hover::after{width:100%}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease),background-color .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 8px 26px -20px rgba(14,16,19,.45);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:74px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:11px 9px;border-left:3px solid #fff;border-bottom:3px solid #fff;
  transform:skewX(-12deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.brand-text small{font-size:11px;color:var(--ink-3);letter-spacing:.08em}

.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:nowrap}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
  border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;width:0;
  background:var(--primary);transition:width .26s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:calc(100% - 24px)}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{width:calc(100% - 24px)}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--ink);
  cursor:pointer;transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.menu-toggle{display:none}

/* 搜索层 */
.search-panel{
  max-height:0;overflow:hidden;
  background:#fff;border-top:1px solid transparent;
  transition:max-height .32s var(--ease),border-color .32s var(--ease);
}
.search-panel.is-open{max-height:120px;border-top-color:var(--line)}
.search-inner{display:flex;align-items:center;gap:12px;padding:14px 0}
.search-inner input{
  flex:1;height:48px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--bg);
  padding:0 22px;font-size:15px;color:var(--ink);
}
.search-inner input::placeholder{color:var(--ink-3)}
.search-inner input:focus{outline:none;border-color:var(--primary);background:#fff}

/* 移动抽屉 */
.mobile-drawer{width:min(92vw,400px);background:#fff;border-left:1px solid var(--line)}
.mobile-drawer .offcanvas-header{padding:20px 24px;border-bottom:1px solid var(--line)}
.mobile-drawer .offcanvas-body{padding:24px;display:flex;flex-direction:column}
.drawer-nav{display:flex;flex-direction:column;gap:20px;margin-bottom:28px}
.drawer-nav a{
  font-size:19px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:12px;border-bottom:1px solid var(--line-soft);
}
.drawer-nav a.active{color:var(--primary)}
.drawer-nav a i{font-size:13px;color:var(--ink-3)}
.drawer-footer{margin-top:auto;padding-top:24px;border-top:1px solid var(--line)}
.drawer-footer p{font-size:13px;color:var(--ink-3);margin:14px 0 0}

/* ============ 分类 Hero ============ */
.breadcrumb-bar{
  display:flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;color:var(--ink-3);
  margin-bottom:18px;
}
.breadcrumb-bar a{color:var(--ink-3)}
.breadcrumb-bar a:hover{color:var(--primary)}
.breadcrumb-bar .sep{color:#C9C4BE}

.cat-hero{
  position:relative;
  padding:52px 0 54px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(96deg,rgba(248,247,245,.97) 0%,rgba(248,247,245,.93) 40%,rgba(248,247,245,.68) 72%,rgba(248,247,245,.55) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center right;
  background-repeat:no-repeat;
}
.cat-hero h1{max-width:16em}
.cat-hero h1 em{font-style:normal;color:var(--primary)}
.cat-hero .hero-desc{
  max-width:640px;margin-top:18px;font-size:16px;line-height:1.85;color:var(--ink-2);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:26px;
  font-size:13px;color:var(--ink-3);letter-spacing:.02em;
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.dot-live{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px rgba(18,201,155,.16);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ============ 筛选标签条 ============ */
.filter-bar{
  position:relative;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  background:var(--surface);
}
.filter-scroll{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:2px;
  scrollbar-width:none;
}
.filter-scroll::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 18px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:#fff;color:var(--ink-2);
  font-size:14px;font-weight:500;
  cursor:pointer;white-space:nowrap;
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.chip .num{font-size:12px;opacity:.7}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-bottom:44px;flex-wrap:wrap;
}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--primary)}
.section-head p{max-width:520px;font-size:15px;color:var(--ink-2);margin:12px 0 0}

/* ============ 卡片网格：两列大图卡 ============ */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.entry-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.entry-card:hover{
  transform:translateY(-4px);
  border-color:rgba(240,65,14,.32);
  box-shadow:var(--shadow-2);
}
.entry-thumb{
  position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--line-soft);
}
.entry-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease);
}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-thumb .tag-float{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.94);backdrop-filter:blur(4px);
  font-size:12px;font-weight:600;color:var(--ink);letter-spacing:.02em;
}
.entry-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.badge-soft{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  align-self:flex-start;margin-bottom:14px;
}
.entry-body h3{font-size:21px;margin-bottom:10px;transition:color .24s var(--ease)}
.entry-card:hover .entry-body h3{color:var(--primary)}
.entry-body .excerpt{
  font-size:15px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--ink-3);letter-spacing:.02em;
}
.entry-meta .bar{width:1px;height:12px;background:var(--line)}
.entry-foot{margin-top:18px}
.entry-foot .rl-link-more{font-size:14px}

/* 步骤编号条 */
.steps-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.step-item{
  padding:32px 26px;
  border-right:1px solid var(--line);
  background:transparent;
  transition:background-color .28s var(--ease);
}
.step-item:last-child{border-right:0}
.step-item:hover{background:#fff}
.step-item .idx{
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--primary);
  font-variant-numeric:tabular-nums;display:block;margin-bottom:14px;
}
.step-item h3{font-size:18px;margin-bottom:8px}
.step-item p{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0}

/* ============ 说明两栏 ============ */
.note-split{
  display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;
}
.note-split .lead{font-size:17px;line-height:1.9;color:var(--ink-2)}
.note-list{margin-top:26px}
.note-list li{
  display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line-soft);
  font-size:15px;line-height:1.75;color:var(--ink-2);
}
.note-list li:last-child{border-bottom:1px solid var(--line-soft)}
.note-list li i{color:var(--primary);font-size:14px;margin-top:6px}
.note-list li strong{color:var(--ink);font-weight:600}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  border:1px solid var(--line)!important;
  border-radius:14px!important;
  background:#fff;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(240,65,14,.35)!important;
  box-shadow:var(--shadow-1);
}
.accordion-button{
  background:#fff!important;
  color:var(--ink)!important;
  font-size:17px;font-weight:600;line-height:1.6;
  padding:22px 24px;
  box-shadow:none!important;
  border-radius:14px!important;
}
.accordion-button:focus{box-shadow:none!important;outline:2px solid var(--primary);outline-offset:-2px}
.accordion-button::after{
  background-image:none!important;
  content:"";
  width:11px;height:11px;flex:0 0 auto;
  border-right:2px solid var(--ink-2);
  border-bottom:2px solid var(--ink-2);
  transform:rotate(45deg);
  transition:transform .28s var(--ease),border-color .28s var(--ease);
  margin-left:18px;
}
.accordion-button:not(.collapsed){color:var(--primary)!important}
.accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);
  border-color:var(--primary);
}
.accordion-body{
  padding:0 24px 24px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ============ 分页 ============ */
.pager{
  display:flex;align-items:center;justify-content:center;
  gap:10px;flex-wrap:wrap;margin-top:52px;
}
.pager a,.pager span.pg{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.pager a:hover{border-color:var(--ink);color:var(--ink)}
.pager .current{background:var(--ink);border-color:var(--ink);color:#fff}
.pager .current:hover{color:#fff}
.pager .pg-disabled{color:var(--ink-3);opacity:.6}

/* ============ CTA 深色带 ============ */
.cta-band{
  background:var(--invert);
  color:#fff;
  padding:84px 0;
}
.cta-band .cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:44px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;max-width:20em}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px;margin-top:14px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .rl-btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .rl-btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--invert);
  color:rgba(255,255,255,.72);
  padding:76px 0 0;
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:52px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.5)}
.footer-brand p{
  margin-top:20px;
  font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);
  max-width:34em;
}
.footer-col h3{
  font-size:14px;font-weight:700;color:#fff;
  letter-spacing:.06em;margin-bottom:18px;
}
.footer-col a{
  display:block;
  font-size:14px;color:rgba(255,255,255,.68);
  padding:7px 0;
}
.footer-col a:hover{color:#fff}
.footer-form{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.footer-form input{
  height:48px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;padding:0 20px;font-size:14px;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45)}
.footer-form input:focus{outline:none;border-color:var(--primary);background:rgba(255,255,255,.1)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
  padding:24px 0 30px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a{font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
.hero-mask{animation:maskUp .4s var(--ease) both}
@keyframes maskUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.001ms!important}
  .reveal{opacity:1!important;transform:none!important}
  html{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .main-nav{gap:2px}
  .nav-link{padding:8px 10px;font-size:14px}
  .note-split{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
}
@media (max-width:991px){
  .container,.container-fluid,.container-lg{padding-left:24px;padding-right:24px}
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions{gap:8px}
  .header-actions .rl-btn{display:none}
  .entry-grid{grid-template-columns:1fr;gap:22px}
  .steps-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-item{border-bottom:1px solid var(--line)}
  .step-item:nth-child(2n){border-right:0}
  .step-item:nth-last-child(-n+2){border-bottom:0}
  .section{padding:72px 0}
  .cat-hero{padding:40px 0 44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .cta-band{padding:64px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  .header-inner{min-height:66px;gap:14px}
  .brand-text strong{font-size:15px}
  .brand-text small{font-size:10px}
  .entry-body{padding:20px 20px 22px}
  .entry-body h3{font-size:19px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .steps-strip{grid-template-columns:1fr}
  .step-item{border-right:0!important;border-bottom:1px solid var(--line)}
  .step-item:last-child{border-bottom:0}
  .pager{margin-top:38px;gap:8px}
  .pager a,.pager span.pg{min-width:40px;height:40px;font-size:13px;padding:0 12px}
}
@media (max-width:520px){
  .container,.container-fluid,.container-lg{padding-left:20px;padding-right:20px}
  .cat-hero h1{font-size:27px}
  .hero-cta{gap:10px}
  .hero-cta .rl-btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom nav{gap:14px}
}

/* roulang page: category3 */
:root{
  --primary:#F0410E;
  --primary-press:#C6330A;
  --primary-soft:#FFF1EC;
  --ink:#0E1013;
  --ink-2:#4A4F55;
  --ink-3:#8A8F96;
  --bg:#F8F7F5;
  --surface:#FFFFFF;
  --invert:#101216;
  --line:#E7E4E0;
  --hairline:#EFECE8;
  --accent:#12C99B;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,16,19,.04);
  --sh-2:0 14px 36px -16px rgba(14,16,19,.18);
  --ease:cubic-bezier(.22,.61,.36,1);

  --bs-primary:#F0410E;
  --bs-primary-rgb:240,65,14;
  --bs-body-color:#0E1013;
  --bs-body-bg:#F8F7F5;
  --bs-border-color:#E7E4E0;
  --bs-link-color:#0E1013;
  --bs-link-hover-color:#F0410E;
  --bs-border-radius:16px;
  --bs-body-font-size:16px;
  --bs-body-line-height:1.85;
  --bs-font-sans-serif:"Inter","PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Inter","PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary)}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--primary);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

.container,.container-fluid{
  width:100%;max-width:1240px !important;margin-inline:auto;padding-inline:32px;
}
@media (max-width:767.98px){
  .container,.container-fluid{padding-inline:20px}
}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(14,16,19,.5)}
.header-inner{display:flex;align-items:center;gap:26px;height:76px}

.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--primary);
  position:relative;flex:0 0 auto;box-shadow:0 6px 16px -8px rgba(240,65,14,.75);
}
.brand-mark::after{
  content:"";position:absolute;left:9px;top:9px;width:16px;height:16px;
  border-radius:3px;background:#fff;
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:0}
.brand-text small{font-size:11px;color:var(--ink-3);letter-spacing:.08em}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav .nav-link{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;
  color:var(--ink-2);white-space:nowrap;border-radius:var(--r-pill);
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.main-nav .nav-link:hover{color:var(--ink)}
.main-nav .nav-link:hover::after{transform:scaleX(1)}
.main-nav .nav-link.active{color:var(--ink);font-weight:700}
.main-nav .nav-link.active::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;font-size:15px;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.icon-btn:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.nav-toggle{display:none}

/* ============ Buttons ============ */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.rl-btn i{transition:transform .24s var(--ease)}
.rl-btn:hover i{transform:translateX(3px)}
.rl-btn-primary{background:var(--primary);color:#fff}
.rl-btn-primary:hover{background:var(--primary-press);color:#fff;transform:translateY(-1px)}
.rl-btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.rl-btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.rl-btn-light{background:#fff;color:var(--invert)}
.rl-btn-light:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.rl-btn-sm{height:42px;padding:0 20px;font-size:14px}

/* ============ Search layer ============ */
.search-layer{
  position:fixed;top:0;left:0;right:0;z-index:1040;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:var(--sh-2);padding:20px 0;
  transform:translateY(-130%);visibility:hidden;
  transition:transform .34s var(--ease),visibility .34s var(--ease);
}
.search-layer.is-open{transform:translateY(0);visibility:visible}
.search-form{
  display:flex;align-items:center;gap:14px;border:1.5px solid var(--line);
  border-radius:var(--r-pill);padding:8px 10px 8px 24px;background:#fff;
  transition:border-color .24s var(--ease);
}
.search-form:focus-within{border-color:var(--primary)}
.search-form i{color:var(--ink-3);font-size:15px}
.search-form input{
  flex:1;border:0;outline:0;background:transparent;font-size:16px;color:var(--ink);min-width:0;
}
.search-form input::placeholder{color:var(--ink-3)}
.search-close{
  border:0;background:var(--bg);border-radius:var(--r-pill);padding:11px 22px;
  font-size:14px;color:var(--ink-2);cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease);
}
.search-close:hover{background:var(--ink);color:#fff}

/* ============ Drawer ============ */
.rl-drawer{width:min(88vw,400px);background:#fff;border-left:1px solid var(--line)}
.rl-drawer .offcanvas-header{
  padding:20px 24px;border-bottom:1px solid var(--hairline);align-items:center;
}
.rl-drawer .offcanvas-body{padding:24px;display:flex;flex-direction:column}
.rl-drawer .btn-close{box-shadow:none;opacity:.55}
.rl-drawer .btn-close:hover{opacity:1}
.drawer-nav{display:flex;flex-direction:column}
.drawer-link{
  font-size:19px;font-weight:600;padding:16px 2px;color:var(--ink);
  border-bottom:1px solid var(--hairline);
}
.drawer-link:hover{color:var(--primary);padding-left:6px}
.drawer-link.active{color:var(--primary)}
.drawer-foot{margin-top:auto;padding-top:30px;display:flex;flex-direction:column;gap:14px}
.drawer-foot .rl-btn{width:100%}
.drawer-foot p{font-size:13px;color:var(--ink-3);margin:0}

/* ============ Hero ============ */
.page-hero{
  position:relative;background:var(--invert);color:#fff;overflow:hidden;
  padding:60px 0 54px;display:flex;align-items:center;
}
.page-hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center right;opacity:.4;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(16,18,22,.94) 0%,rgba(16,18,22,.78) 48%,rgba(16,18,22,.5) 100%);
}
.page-hero .container{position:relative;z-index:2}

.breadcrumb-nav{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.02em;color:rgba(255,255,255,.6);margin-bottom:20px;
}
.breadcrumb-nav a{color:rgba(255,255,255,.78)}
.breadcrumb-nav a:hover{color:#fff}
.breadcrumb-nav .sep{opacity:.4}

.page-hero h1{
  font-size:clamp(29px,4.3vw,54px);line-height:1.12;font-weight:800;
  letter-spacing:0;color:#fff;margin-bottom:18px;
  animation:heroTitleIn .6s var(--ease) both;
}
@keyframes heroTitleIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.page-hero h1 span{color:var(--primary)}
.hero-sub{
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);
  max-width:680px;margin:0;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tag{
  font-size:13px;padding:6px 15px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.86);
  letter-spacing:.02em;
}

/* ============ Filter bar ============ */
.filter-bar{
  background:var(--surface);border-bottom:1px solid var(--line);
  position:sticky;top:76px;z-index:1020;
}
.filter-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:16px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-scroll::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;font-size:14px;padding:9px 19px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  cursor:pointer;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}

/* ============ Sections ============ */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:44px;max-width:760px}
.section-head h2{
  font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.22;margin-bottom:14px;
}
.section-head p{font-size:15px;line-height:1.8;color:var(--ink-2);margin:0}

/* ============ List cards ============ */
.news-list{display:flex;flex-direction:column}
.list-card{
  position:relative;display:grid;grid-template-columns:300px minmax(0,1fr);
  gap:32px;align-items:center;padding:30px 0;border-bottom:1px solid var(--hairline);
  transition:transform .28s var(--ease);
}
.list-card:first-child{padding-top:0}
.list-card:hover{transform:translateY(-4px)}
.list-card .thumb{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:var(--line);
}
.list-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.list-card:hover .thumb img{transform:scale(1.03)}
.card-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  letter-spacing:.04em;padding:4px 13px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);margin-bottom:12px;
}
.list-card h3{font-size:22px;line-height:1.35;font-weight:600;margin-bottom:10px}
.list-card h3 a{color:var(--ink)}
.list-card h3 a:hover{color:var(--primary)}
.card-excerpt{
  font-size:15px;line-height:1.75;color:var(--ink-2);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-width:720px;
}
.card-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.02em;color:var(--ink-3);
}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.meta-live{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600}
.meta-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ============ Pager ============ */
.pager{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:52px}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-2);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.pager a:hover{border-color:var(--ink);color:var(--ink)}
.pager .current{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.45fr);gap:64px;align-items:start}
.faq-intro h2{font-size:clamp(26px,3vw,36px);font-weight:700;line-height:1.22;margin-bottom:16px}
.faq-intro p{font-size:15px;line-height:1.85;color:var(--ink-2);margin-bottom:22px}
.faq-points{display:flex;flex-direction:column;gap:12px}
.faq-points li{
  display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-2);
}
.faq-points li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:2px;background:var(--primary);
}

.rl-accordion .accordion-item{
  border:1px solid var(--line) !important;border-radius:14px !important;
  margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:var(--sh-1);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.rl-accordion .accordion-item:hover{border-color:rgba(240,65,14,.35) !important}
.rl-accordion .accordion-button{
  font-size:17px;font-weight:600;color:var(--ink);background:#fff;
  padding:20px 24px;box-shadow:none !important;border:0;
}
.rl-accordion .accordion-button:not(.collapsed){color:var(--primary);background:#fff}
.rl-accordion .accordion-button:focus{outline:2px solid var(--primary);outline-offset:-4px}
.rl-accordion .accordion-button::after{
  content:"";background-image:none !important;width:12px;height:12px;
  border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);transition:transform .3s var(--ease),border-color .3s var(--ease);
  margin-left:auto;flex:0 0 auto;
}
.rl-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);border-color:var(--primary);
}
.rl-accordion .accordion-body{
  padding:0 24px 24px;font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ============ CTA band ============ */
.cta-band{
  background:var(--invert);color:#fff;border-radius:24px;padding:64px;
  display:grid;grid-template-columns:1.25fr .95fr;gap:48px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,65,14,.35),transparent 68%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;margin-bottom:14px}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.7);max-width:540px;margin:0}
.cta-side{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.cta-side .rl-btn{width:100%;max-width:320px}
.cta-note{font-size:13px;color:rgba(255,255,255,.5);letter-spacing:.02em}

/* ============ Footer ============ */
.site-footer{background:var(--invert);color:rgba(255,255,255,.72);padding-top:80px;margin-top:96px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:48px;padding-bottom:56px;
}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.45)}
.footer-brand p{
  margin-top:20px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px;
}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.05em;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.64);padding:7px 0}
.footer-col a:hover{color:#fff}
.footer-form{display:flex;flex-direction:column;gap:12px}
.footer-form input{
  height:48px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);padding:0 22px;color:#fff;font-size:14px;
  outline:none;transition:border-color .22s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.4)}
.footer-form input:focus{border-color:var(--primary)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0;
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.45);letter-spacing:.02em}
.footer-bottom nav{display:flex;gap:22px;flex-wrap:wrap}
.footer-bottom nav a{font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom nav a:hover{color:#fff}

/* ============ Reveal ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .62s var(--ease),transform .62s var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .list-card{grid-template-columns:260px minmax(0,1fr);gap:26px}
  .faq-layout{gap:44px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
}
@media (max-width:991.98px){
  .main-nav{display:none}
  .header-cta{display:none}
  .nav-toggle{display:grid}
  .header-inner{height:68px;gap:16px}
  .filter-bar{top:68px}
  .list-card{grid-template-columns:220px minmax(0,1fr);gap:22px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:48px 32px;gap:28px}
  .cta-side{align-items:stretch}
  .cta-side .rl-btn{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:72px 0}
  .section-tight{padding:52px 0}
  .site-footer{padding-top:64px;margin-top:72px}
}
@media (max-width:767.98px){
  .page-hero{padding:40px 0 38px}
  .hero-sub{font-size:15px}
  .list-card{grid-template-columns:1fr;gap:18px;padding:24px 0}
  .list-card .thumb{aspect-ratio:16/9}
  .list-card h3{font-size:19px}
  .card-excerpt{-webkit-line-clamp:3}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .cta-band{padding:36px 24px;border-radius:20px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .brand-text strong{font-size:16px}
}
@media (max-width:575.98px){
  .header-actions{gap:8px}
  .icon-btn{width:38px;height:38px}
  .brand-text small{display:none}
  .hero-tags{gap:8px}
  .hero-tag{font-size:12px;padding:5px 12px}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
  .page-hero h1{animation:none}
}

/* roulang page: category2 */
:root{
  --rl-primary:#F0410E;
  --rl-primary-press:#C6330A;
  --rl-primary-soft:#FFF1EC;
  --rl-ink:#0E1013;
  --rl-ink-2:#4A4F55;
  --rl-ink-3:#8A8F96;
  --rl-bg:#F8F7F5;
  --rl-surface:#FFFFFF;
  --rl-invert:#101216;
  --rl-line:#E7E4E0;
  --rl-line-soft:#EFECE8;
  --rl-accent:#12C99B;
  --rl-radius-card:16px;
  --rl-radius-img:12px;
  --rl-radius-pill:999px;
  --rl-shadow-1:0 1px 2px rgba(14,16,19,.04);
  --rl-shadow-2:0 14px 36px -16px rgba(14,16,19,.18);
  --rl-ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#F0410E;
  --bs-body-color:#0E1013;
  --bs-body-bg:#F8F7F5;
  --bs-border-color:#E7E4E0;
  --bs-link-color:#0E1013;
  --bs-link-hover-color:#F0410E;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--rl-ink);
  background:var(--rl-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--rl-ink);text-decoration:none;transition:color .22s var(--rl-ease);}
a:hover{color:var(--rl-primary);}
button{font-family:inherit;}
input,button{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:2px;}
h1,h2,h3,h4{margin:0;color:var(--rl-ink);letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
@media (min-width:1400px){ .container{max-width:1280px;} }
@media (max-width:767.98px){ .container{padding-left:20px;padding-right:20px;} }

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--rl-radius-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .22s var(--rl-ease),color .22s var(--rl-ease),border-color .22s var(--rl-ease),transform .22s var(--rl-ease);
}
.rl-btn i{transition:transform .22s var(--rl-ease);}
.rl-btn-primary{background:var(--rl-primary);color:#fff;}
.rl-btn-primary:hover{background:var(--rl-primary-press);color:#fff;transform:translateY(-1px);}
.rl-btn-primary:hover i{transform:translateX(3px);}
.rl-btn-ghost{background:transparent;border-color:var(--rl-ink);color:var(--rl-ink);}
.rl-btn-ghost:hover{background:var(--rl-ink);color:#fff;transform:translateY(-1px);}
.rl-btn-light{background:#fff;color:var(--rl-ink);}
.rl-btn-light:hover{background:var(--rl-primary);color:#fff;}
.rl-btn-on-dark{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
.rl-btn-on-dark:hover{background:#fff;border-color:#fff;color:var(--rl-ink);transform:translateY(-1px);}
.rl-btn-sm{height:42px;padding:0 20px;font-size:14px;}
.rl-btn-lg{height:54px;padding:0 32px;font-size:16px;}
.rl-text-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--rl-ink);padding-bottom:2px;
}
.rl-text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--rl-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--rl-ease);
}
.rl-text-link:hover::after{transform:scaleX(1);}

/* ---------- 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 .28s var(--rl-ease),background-color .28s var(--rl-ease);
}
.rl-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 10px 30px -22px rgba(14,16,19,.45);
  -webkit-backdrop-filter:saturate(1.4) blur(8px);
  backdrop-filter:saturate(1.4) blur(8px);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:76px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  position:relative;width:34px;height:34px;border-radius:10px;background:var(--rl-primary);flex:0 0 auto;
  box-shadow:0 8px 16px -10px rgba(240,65,14,.85);
}
.brand-mark::before,
.brand-mark::after{content:"";position:absolute;top:9px;width:4px;height:16px;border-radius:2px;background:#fff;}
.brand-mark::before{left:11px;}
.brand-mark::after{left:19px;transform:skewX(-12deg);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--rl-ink);letter-spacing:.01em;}
.brand-text small{font-size:11px;color:var(--rl-ink-3);letter-spacing:.09em;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:12px;flex:1 1 auto;}
.nav-link{
  position:relative;padding:10px 12px;border-radius:10px;
  font-size:14.5px;font-weight:500;color:var(--rl-ink-2);white-space:nowrap;
  transition:color .22s var(--rl-ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--rl-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--rl-ease);
}
.nav-link:hover{color:var(--rl-ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--rl-ink);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:50%;border:1px solid var(--rl-line);background:#fff;
  color:var(--rl-ink-2);cursor:pointer;transition:all .22s var(--rl-ease);
}
.icon-btn:hover{color:var(--rl-primary);border-color:rgba(240,65,14,.35);background:var(--rl-primary-soft);}
.nav-search{display:flex;align-items:center;}
.search-form{
  display:flex;align-items:center;gap:8px;height:42px;width:0;opacity:0;overflow:hidden;
  border:1px solid var(--rl-line);border-radius:var(--rl-radius-pill);background:var(--rl-bg);
  transition:width .3s var(--rl-ease),opacity .2s var(--rl-ease),margin .3s var(--rl-ease),padding .3s var(--rl-ease);
}
.nav-search.is-open .search-form{width:236px;opacity:1;margin-left:8px;padding:0 16px;}
.search-form i{font-size:13px;color:var(--rl-ink-3);}
.search-form input{flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--rl-ink);min-width:0;}
.search-form input::placeholder{color:var(--rl-ink-3);}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--rl-line);border-radius:12px;background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--rl-ink);}
@media (max-width:1199.98px){
  .nav-link{padding:10px 9px;font-size:14px;}
  .nav-link::after{left:9px;right:9px;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-actions > .rl-btn{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-inner{height:68px;}
}

/* ---------- 移动抽屉 ---------- */
.rl-drawer{background:#fff;width:min(88vw,380px);border-left:0;}
.rl-drawer .offcanvas-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 24px;border-bottom:1px solid var(--rl-line);
}
.rl-drawer .offcanvas-body{padding:20px 24px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;}
.drawer-close{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--rl-line);background:#fff;
  color:var(--rl-ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}
.drawer-search{border:1px solid var(--rl-line);border-radius:var(--rl-radius-pill);background:var(--rl-bg);padding:0 18px;height:48px;display:flex;align-items:center;}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;color:var(--rl-ink);}
.drawer-search input::placeholder{color:var(--rl-ink-3);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-link{
  display:block;padding:20px 0;font-size:19px;font-weight:600;color:var(--rl-ink);
  border-bottom:1px solid var(--rl-line-soft);
}
.drawer-link:hover{color:var(--rl-primary);}
.drawer-link.active{color:var(--rl-primary);}
.drawer-foot{padding:20px 24px 28px;border-top:1px solid var(--rl-line);display:flex;flex-direction:column;gap:12px;}
.drawer-foot p{font-size:13px;color:var(--rl-ink-3);margin:0;}

/* ---------- 分类紧凑 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;background:var(--rl-bg);
  border-bottom:1px solid var(--rl-line);
  min-height:280px;display:flex;align-items:center;
  padding:48px 0;
}
.cat-hero-bg{
  position:absolute;top:0;right:0;bottom:0;width:58%;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,#F8F7F5 0%,rgba(248,247,245,.96) 36%,rgba(248,247,245,.78) 62%,rgba(248,247,245,.62) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--rl-ink-3);letter-spacing:.02em;margin-bottom:18px;
}
.breadcrumb a{color:var(--rl-ink-3);}
.breadcrumb a:hover{color:var(--rl-primary);}
.breadcrumb .sep{color:var(--rl-line);}
.cat-hero h1{
  font-size:clamp(32px,4.4vw,50px);line-height:1.12;font-weight:800;
  letter-spacing:0;max-width:760px;
}
.cat-hero-desc{
  margin-top:16px;max-width:660px;font-size:16px;line-height:1.8;color:var(--rl-ink-2);
}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--rl-radius-pill);
  background:rgba(255,255,255,.78);border:1px solid var(--rl-line);
  font-size:13px;color:var(--rl-ink-2);
}
.chip i{font-size:12px;color:var(--rl-primary);}
@media (max-width:767.98px){
  .cat-hero{min-height:0;padding:36px 0 40px;}
  .cat-hero-bg{width:100%;opacity:.42;}
  .cat-hero::after{background:linear-gradient(180deg,rgba(248,247,245,.96) 0%,rgba(248,247,245,.9) 100%);}
}

/* ---------- 标签条 ---------- */
.tag-bar-wrap{border-bottom:1px solid var(--rl-line);background:var(--rl-surface);}
.tag-bar{
  display:flex;gap:10px;overflow-x:auto;padding:16px 0;
  scrollbar-width:none;
}
.tag-bar::-webkit-scrollbar{display:none;}
.tag{
  flex:0 0 auto;height:38px;padding:0 18px;border-radius:var(--rl-radius-pill);
  border:1px solid var(--rl-line);background:#fff;color:var(--rl-ink-2);
  font-size:14px;cursor:pointer;transition:all .2s var(--rl-ease);white-space:nowrap;
}
.tag:hover{border-color:rgba(240,65,14,.4);color:var(--rl-primary);}
.tag.is-active{background:var(--rl-primary);border-color:var(--rl-primary);color:#fff;font-weight:600;}

/* ---------- 统计条 ---------- */
.stat-band{padding:56px 0 8px;}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--rl-line);
}
.stat-item{padding:26px 24px 8px;border-right:1px solid var(--rl-line-soft);}
.stat-item:last-child{border-right:0;}
.stat-item strong{
  display:block;font-size:38px;font-weight:800;line-height:1.1;color:var(--rl-ink);
  font-variant-numeric:tabular-nums;
}
.stat-item strong em{font-style:normal;font-size:15px;font-weight:600;color:var(--rl-ink-3);margin-left:6px;}
.stat-item span{display:block;margin-top:8px;font-size:14px;color:var(--rl-ink-2);line-height:1.7;}
@media (max-width:991.98px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--rl-line-soft);}
}
@media (max-width:575.98px){
  .stat-item{padding:20px 16px 6px;}
  .stat-item strong{font-size:30px;}
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:40px;max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--rl-primary);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--rl-primary);border-radius:2px;}
.section-head h2{font-size:clamp(26px,3vw,38px);line-height:1.22;font-weight:700;}
.section-head p{margin-top:14px;font-size:16px;color:var(--rl-ink-2);line-height:1.8;max-width:720px;}

/* ---------- 三列紧凑信息卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:991.98px){ .card-grid{grid-template-columns:repeat(2,1fr);gap:20px;} }
@media (max-width:575.98px){ .card-grid{grid-template-columns:1fr;gap:18px;} }

.info-card{
  display:flex;flex-direction:column;background:var(--rl-surface);
  border:1px solid var(--rl-line);border-radius:var(--rl-radius-card);
  overflow:hidden;box-shadow:var(--rl-shadow-1);
  transition:transform .28s var(--rl-ease),box-shadow .28s var(--rl-ease),border-color .28s var(--rl-ease);
}
.info-card:hover{
  transform:translateY(-4px);
  border-color:rgba(240,65,14,.3);
  box-shadow:var(--rl-shadow-2);
}
.info-card-media{display:block;overflow:hidden;background:var(--rl-bg);}
.info-card-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .35s var(--rl-ease);
}
.info-card:hover .info-card-media img{transform:scale(1.03);}
.info-card-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.info-card-body h3{font-size:18px;line-height:1.45;font-weight:600;}
.info-card-body h3 a{color:var(--rl-ink);}
.info-card:hover .info-card-body h3 a{color:var(--rl-primary);}
.info-card-body p{
  font-size:14.5px;line-height:1.72;color:var(--rl-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--rl-line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;
}
.cat-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--rl-radius-pill);background:var(--rl-primary-soft);
  color:var(--rl-primary);font-size:12.5px;font-weight:600;
}
.meta-time{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;color:var(--rl-ink-3);letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.meta-time i{font-size:12px;}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:48px;flex-wrap:wrap;}
.pager-item{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:42px;height:42px;padding:0 14px;border-radius:var(--rl-radius-pill);
  border:1px solid var(--rl-line);background:#fff;color:var(--rl-ink-2);
  font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;
  transition:all .2s var(--rl-ease);
}
.pager-item:hover{border-color:rgba(240,65,14,.45);color:var(--rl-primary);}
.pager-item.is-current{background:var(--rl-ink);border-color:var(--rl-ink);color:#fff;}
.pager-item.is-current:hover{color:#fff;}

/* ---------- 流程编号 ---------- */
.flow-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:8px;}
@media (max-width:767.98px){ .flow-list{grid-template-columns:1fr;} }
.flow-item{
  position:relative;background:var(--rl-surface);border:1px solid var(--rl-line);
  border-radius:var(--rl-radius-card);padding:26px 26px 24px;box-shadow:var(--rl-shadow-1);
  transition:transform .28s var(--rl-ease),box-shadow .28s var(--rl-ease),border-color .28s var(--rl-ease);
}
.flow-item:hover{transform:translateY(-4px);border-color:rgba(240,65,14,.3);box-shadow:var(--rl-shadow-2);}
.flow-num{
  display:block;font-size:34px;font-weight:800;line-height:1;color:var(--rl-line);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.flow-item h3{font-size:19px;font-weight:600;line-height:1.4;}
.flow-item p{margin-top:10px;font-size:15px;line-height:1.78;color:var(--rl-ink-2);}

/* ---------- 说明双栏 ---------- */
.note-split{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
@media (max-width:991.98px){ .note-split{grid-template-columns:1fr;gap:32px;} }
.note-split h2{font-size:clamp(26px,3vw,38px);line-height:1.22;font-weight:700;}
.note-split .note-lead{margin-top:16px;font-size:15.5px;color:var(--rl-ink-2);line-height:1.8;}
.note-item{padding:20px 0;border-bottom:1px solid var(--rl-line-soft);}
.note-item:first-child{padding-top:0;}
.note-item h3{font-size:17.5px;font-weight:600;display:flex;align-items:center;gap:10px;}
.note-item h3::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--rl-primary);flex:0 0 auto;
}
.note-item p{margin-top:8px;font-size:15px;line-height:1.78;color:var(--rl-ink-2);}

/* ---------- FAQ ---------- */
.rl-accordion .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--rl-line);
}
.rl-accordion .accordion-item:first-child{border-top:1px solid var(--rl-line);}
.rl-accordion .accordion-button{
  background:transparent;box-shadow:none;border:0;border-radius:0;
  padding:24px 46px 24px 0;font-size:17.5px;font-weight:600;color:var(--rl-ink);
  line-height:1.5;position:relative;
}
.rl-accordion .accordion-button:not(.collapsed){color:var(--rl-primary);}
.rl-accordion .accordion-button:focus{box-shadow:none;outline:none;}
.rl-accordion .accordion-button:focus-visible{outline:2px solid var(--rl-primary);outline-offset:2px;}
.rl-accordion .accordion-button::after{
  content:"";position:absolute;right:8px;top:50%;
  width:9px;height:9px;margin:0;background:none;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:translateY(-70%) rotate(45deg);
  transition:transform .28s var(--rl-ease);
}
.rl-accordion .accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg);}
.rl-accordion .accordion-body{
  padding:0 60px 26px 0;font-size:15px;line-height:1.85;color:var(--rl-ink-2);
}
@media (max-width:575.98px){
  .rl-accordion .accordion-button{font-size:16px;padding:20px 40px 20px 0;}
  .rl-accordion .accordion-body{padding:0 24px 22px 0;}
}

/* ---------- CTA 深色带 ---------- */
.cta-band{background:var(--rl-invert);padding:88px 0;}
.cta-inner{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;}
@media (max-width:991.98px){ .cta-inner{grid-template-columns:1fr;gap:28px;} }
.cta-band h2{color:#fff;font-size:clamp(26px,3vw,36px);line-height:1.24;font-weight:700;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.68);font-size:15.5px;line-height:1.8;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;}
@media (max-width:991.98px){ .cta-actions{justify-content:flex-start;} }

/* ---------- 页脚 ---------- */
.site-footer{background:var(--rl-invert);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
@media (max-width:991.98px){ .footer-grid{grid-template-columns:1fr 1fr;gap:32px;} }
@media (max-width:575.98px){ .footer-grid{grid-template-columns:1fr;} }
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;letter-spacing:.04em;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.68);padding:6px 0;}
.footer-col a:hover{color:var(--rl-primary);}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{
  flex:1;min-width:150px;height:46px;padding:0 18px;border-radius:var(--rl-radius-pill);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;outline:none;transition:border-color .22s var(--rl-ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{border-color:var(--rl-primary);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0 32px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.45);margin:0;}
.footer-bottom nav{display:flex;gap:20px;}
.footer-bottom nav a{font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom nav a:hover{color:var(--rl-primary);}

/* ---------- 滚动入场 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--rl-ease),transform .6s var(--rl-ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --rl-primary:#F0410E;
  --rl-primary-press:#C6330A;
  --rl-primary-soft:#FFF1EC;
  --rl-ink:#0E1013;
  --rl-ink-2:#4A4F55;
  --rl-ink-3:#8A8F96;
  --rl-bg:#F8F7F5;
  --rl-surface:#FFFFFF;
  --rl-invert:#101216;
  --rl-line:#E7E4E0;
  --rl-line-soft:#F0EEEB;
  --rl-accent:#12C99B;
  --rl-r-card:16px;
  --rl-r-img:12px;
  --rl-r-pill:999px;
  --rl-shadow-1:0 1px 2px rgba(14,16,19,.04);
  --rl-shadow-2:0 14px 36px -16px rgba(14,16,19,.18);
  --rl-font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --rl-font-num:Inter,"Helvetica Neue",Arial,sans-serif;
  --rl-ease:cubic-bezier(.22,.61,.36,1);

  --bs-primary:#F0410E;
  --bs-body-bg:#F8F7F5;
  --bs-body-color:#4A4F55;
  --bs-border-color:#E7E4E0;
  --bs-link-color:#0E1013;
  --bs-link-hover-color:#F0410E;
  --bs-font-sans-serif:var(--rl-font-cn);
  --bs-gutter-x:24px;
  --bs-gutter-y:24px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--rl-bg);
  color:var(--rl-ink-2);
  font-family:var(--rl-font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--rl-ink);text-decoration:none;transition:color .2s var(--rl-ease);}
a:hover{color:var(--rl-primary);}
h1,h2,h3,h4{color:var(--rl-ink);margin:0;font-weight:700;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;padding-left:32px;padding-right:32px;margin:0 auto;width:100%;}

/* ============ 通用按钮 ============ */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--rl-r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .25s var(--rl-ease),color .25s var(--rl-ease),border-color .25s var(--rl-ease),transform .25s var(--rl-ease),box-shadow .25s var(--rl-ease);
  white-space:nowrap;
}
.rl-btn i{transition:transform .25s var(--rl-ease);}
.rl-btn:hover i{transform:translateX(3px);}
.rl-btn-primary{background:var(--rl-primary);color:#fff;box-shadow:0 10px 24px -14px rgba(240,65,14,.65);}
.rl-btn-primary:hover{background:var(--rl-primary-press);color:#fff;transform:translateY(-1px);}
.rl-btn-ghost{background:transparent;border-color:var(--rl-ink);color:var(--rl-ink);}
.rl-btn-ghost:hover{background:var(--rl-ink);color:#fff;transform:translateY(-1px);}
.rl-btn-light{background:#fff;color:var(--rl-ink);}
.rl-btn-light:hover{background:var(--rl-primary);color:#fff;transform:translateY(-1px);}
.rl-btn-lg{height:54px;padding:0 32px;font-size:16px;}
.rl-link-more{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--rl-ink);
  padding-bottom:3px;position:relative;
}
.rl-link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--rl-primary);
  transition:width .28s var(--rl-ease);
}
.rl-link-more:hover::after{width:100%;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;background:#fff;
  border-bottom:1px solid var(--rl-line);
  transition:box-shadow .3s var(--rl-ease),background-color .3s var(--rl-ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);box-shadow:0 10px 30px -22px rgba(14,16,19,.35);}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--rl-primary);
  position:relative;flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:3px;background:#fff;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--rl-ink);letter-spacing:.01em;}
.brand-text small{font-size:11px;color:var(--rl-ink-3);letter-spacing:.06em;}

.nav-drawer{flex:1;display:flex;justify-content:center;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:var(--rl-r-pill);
  font-size:15px;font-weight:500;color:var(--rl-ink-2);white-space:nowrap;
  transition:color .2s var(--rl-ease),background-color .2s var(--rl-ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--rl-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--rl-ease);
}
.nav-link:hover{color:var(--rl-ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--rl-ink);font-weight:700;background:var(--rl-primary-soft);}
.nav-link.active::after{transform:scaleX(0);}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--rl-line);background:#fff;
  color:var(--rl-ink);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .2s var(--rl-ease),color .2s var(--rl-ease),transform .2s var(--rl-ease);
}
.icon-btn:hover{border-color:rgba(240,65,14,.4);color:var(--rl-primary);}
.nav-cta{height:44px;padding:0 22px;font-size:14px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--rl-line);background:#fff;color:var(--rl-ink);cursor:pointer;}

.search-panel{
  display:none;position:absolute;left:0;right:0;top:100%;background:#fff;
  border-bottom:1px solid var(--rl-line);box-shadow:var(--rl-shadow-2);
  padding:22px 0;
}
.search-panel.is-open{display:block;}
.search-form{display:flex;gap:12px;align-items:center;}
.search-form input{
  flex:1;height:48px;border-radius:var(--rl-r-pill);border:1px solid var(--rl-line);
  padding:0 22px;font-size:15px;color:var(--rl-ink);background:var(--rl-bg);
  transition:border-color .2s var(--rl-ease),background-color .2s var(--rl-ease);
}
.search-form input:focus{outline:none;border-color:var(--rl-primary);background:#fff;}
.search-hint{margin-top:10px;font-size:13px;color:var(--rl-ink-3);letter-spacing:.02em;}

.drawer-header{display:none;}
.drawer-footer{display:none;}

/* ============ 面包屑 ============ */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--rl-ink-3);letter-spacing:.02em;margin-bottom:20px;flex-wrap:wrap;}
.crumb a{color:var(--rl-ink-3);}
.crumb a:hover{color:var(--rl-primary);}
.crumb .sep{color:#C9C5C0;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  padding:132px 0 56px;
  background-image:linear-gradient(90deg,rgba(248,247,245,.96) 0%,rgba(248,247,245,.82) 48%,rgba(248,247,245,.55) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--rl-line);
}
.cat-hero h1{
  font-size:clamp(34px,4.4vw,52px);
  line-height:1.1;font-weight:800;letter-spacing:0;
  max-width:800px;
}
.cat-hero h1 em{font-style:normal;color:var(--rl-primary);}
.cat-hero .lead{
  margin-top:20px;max-width:660px;font-size:17px;line-height:1.85;color:var(--rl-ink-2);
}
.hero-meta{display:flex;gap:14px;align-items:center;margin-top:26px;flex-wrap:wrap;}
.hero-meta .dot-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--rl-ink-2);
  background:rgba(255,255,255,.85);border:1px solid var(--rl-line);border-radius:var(--rl-r-pill);
  padding:6px 14px;
}
.hero-meta .dot-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--rl-accent);}

/* ============ 标签条 ============ */
.chip-bar{
  background:#fff;border-bottom:1px solid var(--rl-line);
  padding:16px 0;
}
.chip-scroll{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 18px;border-radius:var(--rl-r-pill);
  border:1px solid var(--rl-line);color:var(--rl-ink-2);font-size:14px;
  background:#fff;transition:all .22s var(--rl-ease);cursor:pointer;
}
.chip:hover{border-color:rgba(240,65,14,.45);color:var(--rl-primary);}
.chip.is-active{background:var(--rl-primary);border-color:var(--rl-primary);color:#fff;font-weight:600;}

/* ============ 数据条带 ============ */
.stats-strip{padding:56px 0 8px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--rl-line);}
.stat-item{padding:26px 24px;border-right:1px solid var(--rl-line);}
.stat-item:last-child{border-right:none;}
.stat-num{
  font-family:var(--rl-font-num);font-variant-numeric:tabular-nums;
  font-size:38px;font-weight:800;color:var(--rl-ink);line-height:1;letter-spacing:-.01em;
}
.stat-num span{font-size:15px;font-weight:600;color:var(--rl-ink-3);margin-left:4px;}
.stat-label{margin-top:10px;font-size:14px;color:var(--rl-ink-3);line-height:1.7;}

/* ============ 图文错落 ============ */
.alt-section{padding:72px 0 24px;}
.sec-head{max-width:760px;margin-bottom:24px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.12em;color:var(--rl-primary);text-transform:uppercase;margin-bottom:14px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--rl-primary);}
.sec-head h2{font-size:clamp(28px,3.2vw,38px);line-height:1.2;font-weight:700;}
.sec-head p{margin-top:14px;font-size:16px;color:var(--rl-ink-2);max-width:720px;}

.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:48px 0;border-bottom:1px solid var(--rl-line-soft);
}
.alt-row:last-child{border-bottom:none;}
.alt-row:nth-child(even) .alt-media{order:2;}
.alt-row:nth-child(even) .alt-body{order:1;}
.alt-media{overflow:hidden;border-radius:var(--rl-r-img);border:1px solid var(--rl-line);background:#fff;}
.alt-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .5s var(--rl-ease);
}
.alt-row:hover .alt-media img{transform:scale(1.03);}
.alt-index{
  font-family:var(--rl-font-num);font-variant-numeric:tabular-nums;
  font-size:52px;font-weight:800;line-height:1;color:#E3DFDA;letter-spacing:-.02em;
  margin-bottom:14px;transition:color .3s var(--rl-ease);
}
.alt-row:hover .alt-index{color:var(--rl-primary);}
.alt-body h3{font-size:23px;line-height:1.35;font-weight:600;margin-bottom:14px;}
.alt-body p{font-size:15px;line-height:1.85;color:var(--rl-ink-2);max-width:560px;}
.alt-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.alt-list li{position:relative;padding-left:20px;font-size:15px;line-height:1.75;color:var(--rl-ink-2);}
.alt-list li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:1px;background:var(--rl-primary);
}
.alt-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;margin-bottom:14px;
  border-radius:6px;background:var(--rl-primary-soft);color:var(--rl-primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}

/* ============ 分页 ============ */
.pager-wrap{padding:56px 0 8px;display:flex;flex-direction:column;align-items:center;gap:16px;}
.pager{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 16px;border-radius:var(--rl-r-pill);
  border:1px solid var(--rl-line);color:var(--rl-ink-2);font-size:14px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .22s var(--rl-ease);
}
.pager a:hover{border-color:rgba(240,65,14,.45);color:var(--rl-primary);}
.pager .current{background:var(--rl-ink);border-color:var(--rl-ink);color:#fff;font-weight:600;}
.pager-note{font-size:13px;color:var(--rl-ink-3);letter-spacing:.02em;}

/* ============ FAQ ============ */
.faq-section{padding:96px 0;}
.rl-accordion .accordion-item{
  background:#fff;border:1px solid var(--rl-line);border-radius:var(--rl-r-card);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--rl-shadow-1);
  transition:border-color .25s var(--rl-ease),box-shadow .25s var(--rl-ease);
}
.rl-accordion .accordion-item:hover{border-color:rgba(240,65,14,.3);}
.rl-accordion .accordion-button{
  background:#fff;color:var(--rl-ink);font-size:17px;font-weight:600;line-height:1.6;
  padding:22px 26px;box-shadow:none;border-radius:var(--rl-r-card)!important;
  display:flex;align-items:center;gap:16px;
}
.rl-accordion .accordion-button:not(.collapsed){color:var(--rl-primary);background:#fff;}
.rl-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.rl-accordion .accordion-button::after{
  background-image:none;content:"";
  width:10px;height:10px;margin-left:auto;flex-shrink:0;
  border-right:2px solid var(--rl-ink-3);border-bottom:2px solid var(--rl-ink-3);
  transform:rotate(45deg);transition:transform .3s var(--rl-ease),border-color .3s var(--rl-ease);
  position:static;
}
.rl-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);border-color:var(--rl-primary);
}
.rl-accordion .accordion-body{
  padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--rl-ink-2);
  border-top:1px solid var(--rl-line-soft);
  padding-top:18px;margin-top:0;
}

/* ============ CTA 深色带 ============ */
.cta-band{
  background:var(--rl-invert);color:#fff;padding:88px 0;margin-top:8px;
}
.cta-inner{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;}
.cta-band h2{color:#fff;font-size:clamp(26px,3vw,36px);line-height:1.25;font-weight:700;}
.cta-band p{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.72);max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.cta-band .rl-btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-band .rl-btn-ghost:hover{background:#fff;color:var(--rl-ink);border-color:#fff;}
.cta-note{font-size:13px;color:rgba(255,255,255,.5);letter-spacing:.02em;}

/* ============ 页脚 ============ */
.site-footer{background:var(--rl-invert);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.45);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:6px 0;transition:color .2s var(--rl-ease),transform .2s var(--rl-ease);}
.footer-col a:hover{color:#fff;transform:translateX(3px);}
.footer-form{display:flex;flex-direction:column;gap:12px;}
.footer-form input{
  height:48px;border-radius:var(--rl-r-pill);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 20px;font-size:14px;
  transition:border-color .2s var(--rl-ease),background-color .2s var(--rl-ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.4);}
.footer-form input:focus{outline:none;border-color:var(--rl-primary);background:rgba(255,255,255,.1);}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.45);letter-spacing:.02em;}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom nav a{font-size:13px;color:rgba(255,255,255,.45);}
.footer-bottom nav a:hover{color:#fff;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--rl-ease),transform .6s var(--rl-ease);}
.reveal.is-visible{opacity:1;transform:none;}
.hero-title-mask{animation:titleUp .55s var(--rl-ease) both;}
@keyframes titleUp{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:none;}}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .container{max-width:1280px;}
}
@media (max-width:1199.98px){
  .container{padding-left:28px;padding-right:28px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .footer-col:last-child{grid-column:1 / -1;}
  .footer-form{flex-direction:row;align-items:center;}
  .footer-form input{flex:1;}
}
@media (max-width:991.98px){
  .container{padding-left:20px;padding-right:20px;}
  .header-inner{height:68px;gap:12px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cta{display:none;}
  .nav-drawer{
    background:#fff;
    border-left:none;
    width:100%;
  }
  .drawer-header{
    display:flex;align-items:center;justify-content:space-between;
    padding:22px 22px 14px;border-bottom:1px solid var(--rl-line);
  }
  .drawer-title{font-size:16px;font-weight:800;color:var(--rl-ink);}
  .drawer-close{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--rl-line);
    background:#fff;color:var(--rl-ink);cursor:pointer;
  }
  .offcanvas-body{padding:22px;}
  .main-nav{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{
    font-size:19px;font-weight:600;padding:16px 0;border-radius:0;
    border-bottom:1px solid var(--rl-line-soft);color:var(--rl-ink);
  }
  .nav-link::after{display:none;}
  .nav-link.active{background:transparent;color:var(--rl-primary);}
  .drawer-footer{display:block;margin-top:30px;}
  .drawer-footer .rl-btn{width:100%;}
  .drawer-contact{margin-top:18px;font-size:14px;color:var(--rl-ink-3);line-height:1.9;}
  .drawer-contact strong{color:var(--rl-ink);font-weight:600;}

  .search-panel{position:fixed;inset:0;padding:24px 20px;z-index:1060;overflow:auto;}
  .search-form{flex-direction:column;align-items:stretch;}
  .search-form .rl-btn{width:100%;}

  .cat-hero{padding:96px 0 48px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item{border-bottom:1px solid var(--rl-line);}
  .stat-item:nth-child(2n){border-right:none;}
  .alt-row{grid-template-columns:1fr;gap:26px;padding:36px 0;}
  .alt-row:nth-child(even) .alt-media{order:0;}
  .alt-row:nth-child(even) .alt-body{order:0;}
  .faq-section{padding:72px 0;}
  .cta-band{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  body{font-size:15px;}
  .brand-text small{display:none;}
  .brand-text strong{font-size:16px;}
  .cat-hero{padding:88px 0 40px;}
  .cat-hero .lead{font-size:16px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-item{border-right:none;padding:20px 0;}
  .stat-num{font-size:32px;}
  .alt-index{font-size:42px;}
  .alt-body h3{font-size:20px;}
  .rl-accordion .accordion-button{font-size:16px;padding:18px 18px;}
  .rl-accordion .accordion-body{padding:16px 18px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .rl-btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-form{flex-direction:column;}
  .footer-form .rl-btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important;}
  .reveal{opacity:1!important;transform:none!important;}
}