/* roulang page: index */
:root{
  --ink:#14121F;
  --ink-2:#24223A;
  --ink-3:#4A4759;
  --ink-4:#8C8899;
  --accent:#FF6B35;
  --accent-dark:#E2541F;
  --accent-soft:#FFF0E9;
  --gold:#F2C14E;
  --bg:#FAF8F4;
  --bg-2:#F1EEE7;
  --card:#FFFFFF;
  --line:#E3DED4;
  --line-strong:#D9D2C6;
  --danger:#D64545;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(20,18,31,.04);
  --shadow-hover:0 10px 24px rgba(20,18,31,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.24s;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-3);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  margin:0;
  color:var(--ink);
  font-weight:800;
  letter-spacing:-.015em;
  line-height:1.28;
}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
img{display:block;max-width:100%;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,button,textarea,select{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:var(--r-sm);
}
::selection{background:var(--accent-soft);color:var(--ink);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  height:44px;
  padding:0 26px;
  border-radius:10px;
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:0;
  cursor:pointer;
  background:transparent;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(226,84,31,.18);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-secondary{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.62);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-1px);}
.btn-sm{height:40px;min-height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--ink);
  font-weight:600;
  font-size:15px;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.link-arrow i{font-size:13px;transition:transform var(--dur) var(--ease);}
.link-arrow:hover{color:var(--accent-dark);border-bottom-color:var(--accent-dark);}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(250,248,244,.95);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brand-bar{height:68px;}
.brand-inner{
  height:100%;
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:20px;height:20px;
  color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;
}
.logo-mark svg{width:20px;height:20px;display:block;}
.logo-text{display:inline-flex;align-items:baseline;gap:8px;line-height:1;}
.logo-text strong{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.logo-text i{
  font-style:normal;
  font-size:13px;
  color:var(--ink-4);
  position:relative;
  padding-left:12px;
}
.logo-text i::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:3px;height:3px;
  margin-top:-1.5px;
  border-radius:50%;
  background:var(--line-strong);
}
.nav-search{
  margin-left:auto;
  max-width:240px;
  width:240px;
  transition:max-width .3s var(--ease),width .3s var(--ease);
}
.nav-search input{
  width:100%;
  height:40px;
  border:none;
  background:var(--bg-2);
  border-radius:var(--r-pill);
  padding:0 16px;
  font-size:13px;
  color:var(--ink);
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-search input::placeholder{color:var(--ink-4);}
.nav-search input:focus{
  outline:none;
  background:#fff;
  box-shadow:0 0 0 2px var(--accent);
}
.nav-search:focus-within{max-width:320px;width:320px;}
.brand-actions{display:flex;align-items:center;gap:10px;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  color:var(--ink);
  cursor:pointer;
  align-items:center;justify-content:center;
  font-size:16px;
}

.channel-bar{
  position:relative;
  border-top:1px solid var(--line);
}
.channel-bar::before,
.channel-bar::after{
  content:"";
  position:absolute;
  top:0;bottom:0;
  width:32px;
  pointer-events:none;
  z-index:2;
}
.channel-bar::before{left:0;background:linear-gradient(90deg,var(--bg),rgba(250,248,244,0));}
.channel-bar::after{right:0;background:linear-gradient(270deg,var(--bg),rgba(250,248,244,0));}
.channel-inner{
  height:52px;
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--ink-3);
  white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.tab:hover{background:var(--bg-2);color:var(--ink);}
.tab.is-active{background:var(--ink);color:#fff;font-weight:600;}

.drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:200;
  background:var(--bg);
  padding:20px 24px 32px;
  overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--ink);
  cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:10px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--bg-2);}
.drawer-nav a.is-active{background:var(--accent-soft);color:var(--accent-dark);border-color:rgba(255,107,53,.24);}
.drawer-search{width:100%;margin-bottom:16px;}
.drawer-search input{
  width:100%;height:48px;border-radius:10px;border:1px solid var(--line);
  background:#fff;padding:0 16px;font-size:15px;
}
.drawer .btn{width:100%;}
.drawer-foot{
  margin-top:24px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-4);line-height:2;
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:96px 0 88px;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-140px;
  width:520px;height:520px;
  border-radius:50%;
  background-image:radial-gradient(rgba(20,18,31,.5) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.05;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:64px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--accent-soft);
  color:var(--accent-dark);
  font-size:13px;
  font-weight:600;
  margin-bottom:20px;
}
.hero h1{
  font-size:52px;
  line-height:1.16;
  letter-spacing:-.02em;
  margin-bottom:20px;
  max-width:600px;
}
.hero h1 .hl{
  color:var(--accent);
  border-bottom:3px solid var(--accent);
  padding-bottom:2px;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:var(--ink-3);
  max-width:520px;
  margin-bottom:32px;
}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:28px;}
.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  border-top:1px solid var(--line);
  padding-top:18px;
  max-width:560px;
}
.trust-row li{
  font-size:13px;
  color:var(--ink-4);
  padding:0 16px;
  border-left:1px solid var(--line);
  line-height:1.5;
}
.trust-row li:first-child{padding-left:0;border-left:none;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--bg-2);
  aspect-ratio:4/3;
  box-shadow:var(--shadow-hover);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;object-position:center;}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(20,18,31,0) 55%,rgba(20,18,31,.28) 100%);
  pointer-events:none;
}
.hero-chip{
  position:absolute;
  left:14px;bottom:14px;
  z-index:2;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:10px;
  padding:10px 14px;
  line-height:1.5;
}
.hero-chip strong{display:block;font-size:14px;color:var(--ink);font-weight:600;}
.hero-chip span{display:block;font-size:13px;color:var(--ink-4);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-head{margin-bottom:48px;max-width:720px;}
.section-head h2{
  font-size:34px;
  line-height:1.3;
  margin-bottom:12px;
}
.section-head h2::before{
  content:"";
  display:inline-block;
  width:3px;height:20px;
  background:var(--accent);
  margin-right:12px;
  vertical-align:-2px;
}
.section-head p{font-size:16px;color:var(--ink-4);line-height:1.8;}
.section-head.row{
  max-width:none;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}

/* ============ 三步上手 ============ */
.steps{background:var(--bg);border-top:1px solid var(--line);}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
}
.step{
  padding:0 40px;
  border-left:1px solid var(--line);
}
.step:first-child{border-left:none;padding-left:0;}
.step:last-child{padding-right:0;}
.step-num{
  font-size:72px;
  font-weight:800;
  line-height:1;
  color:var(--line);
  letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;
  margin-bottom:8px;
}
.step h3{font-size:20px;font-weight:600;margin-bottom:8px;color:var(--ink);}
.step p{font-size:15px;line-height:1.8;color:var(--ink-3);}

/* ============ 案例证明 ============ */
.proof{background:var(--bg-2);}
.proof-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:24px;
  margin-bottom:56px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover);
}
.proof-main{overflow:hidden;display:flex;flex-direction:column;}
.proof-media{
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--bg-2);
}
.proof-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.proof-main:hover .proof-media img{transform:scale(1.03);}
.proof-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.proof-body h3{font-size:22px;line-height:1.4;}
.proof-body p{font-size:15px;line-height:1.8;color:var(--ink-3);}
.proof-meta{
  margin-top:auto;
  font-size:13px;
  color:var(--ink-4);
  font-variant-numeric:tabular-nums;
}
.proof-side{display:flex;flex-direction:column;gap:16px;}
.proof-mini{
  display:flex;
  gap:16px;
  padding:16px;
  align-items:flex-start;
  flex:1;
}
.mini-thumb{
  flex:0 0 96px;
  width:96px;height:96px;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--bg-2);
}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.proof-mini:hover .mini-thumb img{transform:scale(1.03);}
.mini-body{display:flex;flex-direction:column;gap:6px;}
.mini-body h3{font-size:17px;line-height:1.5;font-weight:600;}
.mini-body p{font-size:14px;line-height:1.7;color:var(--ink-4);}
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line-strong);
  padding-top:32px;
}
.stat{padding:0 24px;border-left:1px solid var(--line-strong);}
.stat:first-child{padding-left:0;border-left:none;}
.stat-num{
  font-size:32px;
  font-weight:800;
  color:var(--ink);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-num span{font-size:16px;font-weight:600;color:var(--ink-4);margin-left:4px;}
.stat-label{font-size:13px;color:var(--ink-4);margin-top:4px;}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:64px;
  align-items:start;
}
.faq-aside{position:sticky;top:148px;}
.faq-aside h2{
  font-size:34px;
  margin-bottom:12px;
}
.faq-aside p{font-size:15px;color:var(--ink-4);line-height:1.8;margin-bottom:20px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:68px;
  padding:16px 0;
  background:none;
  border:none;
  cursor:pointer;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--accent-dark);}
.faq-icon{
  flex:0 0 auto;
  width:24px;height:24px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-4);
  font-size:18px;
  transition:transform .28s var(--ease),color var(--dur) var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent);}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  opacity:0;
  transition:grid-template-rows .28s var(--ease),opacity .28s var(--ease);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;opacity:1;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  font-size:16px;
  line-height:1.8;
  color:var(--ink-3);
  padding:0 40px 20px 0;
}

/* ============ CTA ============ */
.cta-section{padding:0 0 96px;}
.cta-block{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  border-radius:var(--r-lg);
  padding:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:48px;
  flex-wrap:wrap;
}
.cta-block::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:360px;height:360px;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:20px 20px;
  opacity:.08;
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:560px;}
.cta-copy h2{color:#fff;font-size:34px;margin-bottom:12px;}
.cta-copy p{color:rgba(255,255,255,.72);font-size:16px;line-height:1.8;}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 最新信息 ============ */
.news-section{background:var(--bg-2);}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.news-cover{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-2);
}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{
  padding:20px 24px 24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.badge{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--accent-soft);
  color:var(--accent-dark);
  font-size:13px;
  font-weight:600;
  line-height:1;
}
.news-title{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card:hover .news-title{color:var(--accent-dark);}
.news-desc{
  font-size:15px;
  line-height:1.75;
  color:var(--ink-4);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  padding-top:12px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-4);
  font-variant-numeric:tabular-nums;
}
.news-foot i{font-size:14px;transition:transform var(--dur) var(--ease);}
.news-card:hover .news-foot i{transform:translateX(4px);color:var(--accent);}
.empty-state{
  grid-column:1/-1;
  min-height:240px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-md);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:40px 24px;
  text-align:center;
  background:rgba(255,255,255,.5);
}
.empty-state .empty-icon{font-size:22px;color:var(--ink-4);}
.empty-state strong{font-size:16px;color:var(--ink);font-weight:600;}
.empty-state span{font-size:13px;color:var(--ink-4);}
.empty-state .btn{margin-top:8px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.68);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:5fr 3fr 4fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text i{color:rgba(255,255,255,.5);}
.footer-brand .logo-text i::before{background:rgba(255,255,255,.3);}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.6);
  max-width:360px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  letter-spacing:0;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.62);
  display:inline-flex;
  align-items:center;
  min-height:26px;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-links a:hover{color:#fff;transform:translateX(3px);}
.footer-info{display:flex;flex-direction:column;gap:10px;}
.footer-info li{
  font-size:14px;
  color:rgba(255,255,255,.62);
  padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.1);
  font-variant-numeric:tabular-nums;
}
.footer-info li:last-child{border-bottom:none;}
.footer-info li span{color:rgba(255,255,255,.42);margin-right:8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:20px;
  padding-bottom:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.44);
}

/* ============ 入场动画 ============ */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{
  opacity:1;
  transform:none;
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:46px;}
  .hero-grid{gap:48px;}
}
@media (max-width:1023px){
  .hero{padding:72px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:40px;max-width:none;}
  .hero-sub{max-width:none;}
  .hero-visual{max-width:640px;}
  .section{padding:72px 0;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;}
  .proof-grid{grid-template-columns:1fr;}
  .proof-side{flex-direction:row;}
  .proof-mini{flex:1;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:24px;}
  .stat:nth-child(3){padding-left:0;border-left:none;}
  .cta-block{padding:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .brand-bar{height:60px;}
  .nav-search{display:none;}
  .logo-text strong{font-size:18px;}
  .logo-text i{font-size:12px;}
  .brand-actions{margin-left:auto;}
  .brand-actions .btn-sm{display:none;}
  .menu-toggle{display:inline-flex;}
  .channel-inner{height:48px;}
  .tab{height:32px;font-size:13px;padding:0 14px;}
  .hero{padding:56px 0 56px;}
  .hero h1{font-size:32px;line-height:1.24;}
  .hero-sub{font-size:16px;margin-bottom:24px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .trust-row li{font-size:12px;padding:0 12px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:24px;}
  .section-head h2::before{height:16px;margin-right:8px;}
  .section-head p{font-size:15px;}
  .steps-grid{grid-template-columns:1fr;gap:32px;}
  .step{
    display:grid;
    grid-template-columns:56px 1fr;
    gap:16px;
    padding:0;
    border-left:none;
  }
  .step-num{font-size:44px;text-align:right;color:var(--line);}
  .step h3{font-size:19px;}
  .proof-side{flex-direction:column;}
  .proof-body{padding:20px;}
  .proof-body h3{font-size:19px;}
  .proof-mini{padding:16px;}
  .mini-thumb{flex:0 0 80px;width:80px;height:80px;}
  .stats{grid-template-columns:1fr 1fr;gap:20px;padding-top:24px;}
  .stat{padding:0 16px;}
  .stat:first-child{padding-left:0;}
  .stat-num{font-size:26px;}
  .faq-q{font-size:16px;min-height:60px;}
  .faq-a p{padding-right:0;}
  .faq-aside h2{font-size:24px;}
  .cta-section{padding:0 0 56px;}
  .cta-block{padding:32px 24px;gap:24px;border-radius:var(--r-md);}
  .cta-copy h2{font-size:24px;}
  .cta-copy p{font-size:15px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .news-grid{grid-template-columns:1fr;gap:20px;}
  .news-body{padding:20px;}
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:519px){
  .hero h1{font-size:29px;}
  .trust-row{gap:8px 0;}
  .trust-row li{width:50%;padding:0 12px;border-left:none;}
  .stats{grid-template-columns:1fr;}
  .stat{padding:0;border-left:none;border-top:1px solid var(--line);padding-top:16px;}
  .stat:first-child{border-top:none;padding-top:0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  .hero::after{display:none;}
}

/* roulang page: article */
:root{
  --ink:#14121F;
  --ink-2:#24223A;
  --body-text:#2C2A38;
  --text-2:#4A4759;
  --text-3:#8C8899;
  --accent:#FF6B35;
  --accent-dark:#E2541F;
  --accent-soft:#FFF0E9;
  --gold:#F2C14E;
  --paper:#FAF8F4;
  --paper-2:#F1EEE7;
  --card:#FFFFFF;
  --line:#E3DED4;
  --line-2:#D9D2C6;
  --danger:#D64545;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(20,18,31,.04);
  --shadow-2:0 10px 24px rgba(20,18,31,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.24s;
  --container:1200px;
}
*,*::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","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.8;letter-spacing:0;
  background:var(--paper);color:var(--body-text);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:var(--accent-soft);color:var(--accent-dark)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 阅读进度 ---------- */
.read-progress{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:var(--accent);z-index:200;transition:width .1s linear;
}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:120}
.brand-bar{
  background:rgba(250,248,244,.95);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brand-inner{height:68px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{display:inline-flex;color:var(--accent);flex:0 0 auto}
.logo-text{display:flex;align-items:baseline;gap:8px;white-space:nowrap}
.logo-text strong{font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo-text i{font-style:normal;font-size:13px;color:var(--text-3);position:relative;padding-left:12px}
.logo-text i::before{content:"";position:absolute;left:0;top:50%;width:4px;height:4px;border-radius:50%;background:var(--gold);transform:translateY(-50%)}
.nav-search{flex:0 0 auto;max-width:240px;width:240px;transition:max-width var(--dur) var(--ease);margin-left:auto}
.nav-search input{
  width:100%;height:40px;border-radius:999px;border:0;
  background:var(--paper-2);padding:0 18px;font-size:13px;color:var(--ink);
  transition:box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;background:#fff;box-shadow:0 0 0 2px var(--accent)}
.nav-search:focus-within{max-width:320px;width:320px}
.brand-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-sm);
  align-items:center;justify-content:center;color:var(--ink);border:1px solid var(--line);
}
.menu-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

.channel-bar{
  background:rgba(250,248,244,.95);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.channel-inner{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;font-size:14px;font-weight:500;color:var(--ink);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
  white-space:nowrap;
}
.tab:hover{background:var(--paper-2)}
.tab.is-active{background:var(--ink);color:#fff}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:300;background:var(--paper);
  display:none;flex-direction:column;padding:20px 24px 32px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.drawer-close{
  width:44px;height:44px;font-size:24px;line-height:1;color:var(--ink);
  border:1px solid var(--line);border-radius:var(--radius-sm);
}
.drawer-search{margin-top:20px}
.drawer-search input{
  width:100%;height:48px;border-radius:999px;border:1px solid var(--line);
  background:var(--paper-2);padding:0 18px;font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent)}
.drawer-nav{display:flex;flex-direction:column;margin-top:24px;border-top:1px solid var(--line)}
.drawer-nav a{
  padding:16px 4px;font-size:17px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--accent)}
.drawer-cta{margin-top:28px;width:100%}
.drawer-foot{margin-top:20px;font-size:13px;color:var(--text-3);text-align:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:10px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:0;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
  min-width:44px;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(226,84,31,.18)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--ink);border-bottom:1px solid var(--line-2);padding-bottom:2px;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.link-arrow svg{transition:transform var(--dur) var(--ease)}
.link-arrow:hover{color:var(--accent-dark);border-color:var(--accent)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:13px;font-weight:600;line-height:1;
}
.badge-accent{background:var(--accent-soft);color:var(--accent-dark)}
.badge-soft{background:var(--paper-2);color:var(--ink)}
.badge-line{background:transparent;border:1px solid var(--gold);color:var(--ink-2)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:24px 0;font-size:14px;color:var(--text-3);
}
.breadcrumb a{color:var(--text-3);transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--accent-dark)}
.breadcrumb .sep{color:var(--line-2)}
.breadcrumb .current{color:var(--ink);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:8px 0 0}
.article-head-inner{max-width:800px}
.article-head h1{
  margin:18px 0 0;font-size:42px;line-height:1.28;font-weight:800;
  letter-spacing:-.02em;color:var(--ink);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:22px;padding-bottom:28px;font-size:13px;color:var(--text-3);
  border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--line-2)}
.meta-row strong{font-weight:600;color:var(--text-2)}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 260px;
  gap:64px;justify-content:center;
  padding:48px 24px 0;
}
.article-body{min-width:0;color:var(--body-text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 20px;font-size:17px;line-height:1.95;color:var(--body-text)}
.article-body h2{
  position:relative;margin:48px 0 16px;padding-left:16px;
  font-size:26px;font-weight:700;line-height:1.4;letter-spacing:-.01em;color:var(--ink);
  scroll-margin-top:140px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--accent);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{
  margin:32px 0 12px;font-size:20px;font-weight:700;line-height:1.5;
  color:var(--ink);scroll-margin-top:140px;
}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:700;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 20px;padding:0}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:20px;margin-bottom:10px;
  font-size:17px;line-height:1.9;
}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;
  border-radius:1px;background:var(--accent);
}
.article-body ol{counter-reset:artnum}
.article-body ol li{counter-increment:artnum}
.article-body ol li::before{
  content:counter(artnum) ".";
  position:absolute;left:0;top:0;font-size:15px;font-weight:700;color:var(--accent-dark);
}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;border-left:3px solid var(--accent);
  background:var(--paper-2);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius);margin:24px 0;width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{
  margin-top:10px;font-size:13px;color:var(--text-3);text-align:center;
}
.article-body a{
  color:var(--accent-dark);border-bottom:1px solid rgba(226,84,31,.35);
  transition:border-color var(--dur) var(--ease);
}
.article-body a:hover{border-color:var(--accent-dark)}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);
}
.article-body thead th{background:var(--paper-2);font-weight:700;color:var(--ink)}
.article-body th,.article-body td{
  padding:12px;border:1px solid var(--line);text-align:left;
  font-variant-numeric:tabular-nums;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-body code{
  background:var(--paper-2);padding:2px 6px;border-radius:4px;font-size:14px;
  font-family:"Inter",ui-monospace,SFMono-Regular,Menlo,monospace;
}
.article-body .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* 空态 */
.article-empty{
  border:1px dashed var(--line);border-radius:var(--radius);
  padding:64px 32px;text-align:center;background:var(--card);
}
.article-empty h2{font-size:22px;font-weight:700;color:var(--ink)}
.article-empty p{margin:12px auto 24px;max-width:420px;font-size:15px;color:var(--text-3)}

/* ---------- 侧栏 ---------- */
.article-aside{align-self:start;position:sticky;top:152px}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;
}
.aside-card+.aside-card{margin-top:16px}
.aside-title{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;
  color:var(--ink);margin-bottom:14px;
}
.aside-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--accent)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:6px 0 6px 12px;font-size:14px;line-height:1.6;
  color:var(--text-2);border-left:2px solid transparent;border-radius:0 4px 4px 0;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-list a.lv3{padding-left:24px;font-size:13px;color:var(--text-3)}
.toc-list a:hover{color:var(--accent-dark);background:var(--paper)}
.toc-list a.is-current{color:var(--ink);border-left-color:var(--accent);font-weight:600}
.toc-empty{font-size:13px;color:var(--text-3);line-height:1.7}
.side-links{display:flex;flex-direction:column;gap:12px}
.side-links a{
  display:block;font-size:14px;line-height:1.6;color:var(--ink);font-weight:600;
  transition:color var(--dur) var(--ease);
}
.side-links a:hover{color:var(--accent-dark)}
.side-links span{display:block;margin-top:4px;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.aside-cta{margin-top:16px;width:100%}
.aside-hint{margin-top:10px;font-size:12px;color:var(--text-3);text-align:center}

/* ---------- 文章尾部 ---------- */
.article-tail{padding:56px 0 0}
.back-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.back-row .push{margin-left:auto}
.related-block{padding:48px 0 0}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.related-head h2{font-size:24px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.related-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-2)}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--paper-2)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-body p{font-size:14px;line-height:1.7;color:var(--text-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.rec-foot svg{transition:transform var(--dur) var(--ease)}
.rec-card:hover .rec-foot svg{transform:translateX(4px);color:var(--accent-dark)}

/* ---------- CTA ---------- */
.cta-wrap{padding:72px 24px 96px}
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--ink);color:#fff;padding:56px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-block::after{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.16;mix-blend-mode:luminosity;pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:30px;line-height:1.35;font-weight:800;letter-spacing:-.01em}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72)}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--paper-2);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px}
.footer-brand .logo-text strong{font-size:18px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:var(--text-2);max-width:420px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color var(--dur) var(--ease)}
.footer-links a:hover{color:var(--accent-dark)}
.footer-info{display:flex;flex-direction:column;gap:10px}
.footer-info li{font-size:14px;color:var(--text-2);display:flex;gap:10px}
.footer-info li span{color:var(--text-3);flex:0 0 40px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:48px;padding:24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}

/* ---------- 入场动画 ---------- */
.rise{opacity:0;transform:translateY(14px);animation:rise .5s var(--ease) forwards}
.rise-2{animation-delay:.06s}
.rise-3{animation-delay:.12s}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .rise{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:40px}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;padding-top:40px}
  .article-aside{position:static;order:2}
  .aside-card+.aside-card{margin-top:16px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .article-head h1{font-size:36px}
}
@media (max-width:900px){
  .nav-search{display:none}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .brand-inner{height:62px;gap:12px}
  .logo-text strong{font-size:18px}
  .logo-text i{font-size:12px}
  .menu-toggle{display:inline-flex}
  .brand-actions .btn-sm{height:38px;padding:0 14px;font-size:13px}
  .channel-inner{height:50px;gap:6px}
  .tab{height:32px;padding:0 14px;font-size:13px}
  .article-head h1{font-size:30px;margin-top:14px}
  .article-layout{padding:32px 20px 0;gap:36px}
  .article-body p{font-size:16px;line-height:1.9}
  .article-body h2{font-size:23px;margin-top:40px}
  .article-body h3{font-size:19px;margin-top:28px}
  .article-body ul li,.article-body ol li{font-size:16px}
  .related-grid{grid-template-columns:1fr}
  .cta-wrap{padding:56px 20px 64px}
  .cta-block{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:28px}
  .cta-copy h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:48px}
  .footer-bottom{margin-top:32px;padding:20px;flex-direction:column;gap:8px}
  .breadcrumb{padding:18px 0;font-size:13px}
  .breadcrumb .current{max-width:52%}
  .back-row .push{margin-left:0}
  .related-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .article-head h1{font-size:27px}
  .meta-row{font-size:12px;gap:8px}
  .aside-card{padding:20px}
  .rec-body{padding:18px}
}

/* roulang page: category1 */
:root{
    --ink:#14121F;
    --ink-2:#24223A;
    --ink-3:#4A4759;
    --ink-4:#8C8899;
    --accent:#FF6B35;
    --accent-dark:#E2541F;
    --accent-soft:#FFF0E9;
    --gold:#F2C14E;
    --paper:#FAF8F4;
    --paper-2:#F1EEE7;
    --white:#FFFFFF;
    --line:#E3DED4;
    --line-strong:#D9D2C6;
    --danger:#D64545;
    --r-sm:8px;
    --r-md:14px;
    --r-lg:20px;
    --shadow-1:0 1px 2px rgba(20,18,31,.04);
    --shadow-2:0 10px 24px rgba(20,18,31,.06);
    --ease:cubic-bezier(.22,.61,.36,1);
    --dur:.24s;
    --container:1200px;
    --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    --font-num:"Inter",ui-monospace,SFMono-Regular,Menlo,monospace;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font);
    font-size:17px;
    line-height:1.8;
    color:var(--ink);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
  button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.25;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  ::selection{background:var(--accent-soft);color:var(--accent-dark);}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 26px;border-radius:10px;
    font-size:15px;font-weight:600;letter-spacing:0;
    transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
               border-color var(--dur) var(--ease),transform var(--dur) var(--ease),
               box-shadow var(--dur) var(--ease);
  }
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(20,18,31,.06);}
  .btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(226,84,31,.18);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(20,18,31,.06);}
  .btn-secondary{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
  .btn-secondary:hover{background:var(--ink);color:#fff;}
  .btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6);}
  .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
  .btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
  .btn-block{width:100%;}
  .btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
    color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:2px;
  }
  .link-arrow::after{content:"→";transition:transform var(--dur) var(--ease);}
  .link-arrow:hover{color:var(--accent-dark);border-color:var(--accent-dark);}
  .link-arrow:hover::after{transform:translateX(4px);}

  /* ---------- 徽章 / 胶囊 ---------- */
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    height:27px;padding:0 12px;border-radius:999px;
    font-size:13px;font-weight:600;letter-spacing:0;
    background:var(--accent-soft);color:var(--accent-dark);
  }
  .chip-muted{background:var(--paper-2);color:var(--ink-3);}
  .chip-line{background:transparent;border:1px solid var(--line-strong);color:var(--ink-3);}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(250,248,244,.95);
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .brand-bar{height:68px;}
  .brand-inner{display:flex;align-items:center;gap:28px;height:68px;}
  .logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo-mark{color:var(--accent);display:inline-flex;}
  .logo-text{display:inline-flex;align-items:baseline;gap:8px;font-size:20px;line-height:1;}
  .logo-text strong{font-weight:800;letter-spacing:-.02em;}
  .logo-text i{font-style:normal;font-size:13px;font-weight:400;color:var(--ink-4);letter-spacing:0;}
  .logo-text i::before{
    content:"";display:inline-block;width:4px;height:4px;border-radius:50%;
    background:var(--accent);margin-right:8px;vertical-align:middle;transform:translateY(-2px);
  }
  .search-box{margin-left:auto;}
  .search-box input{
    width:240px;height:40px;border:0;border-radius:999px;
    background:var(--paper-2);color:var(--ink);
    padding:0 18px;font-size:13px;font-family:var(--font);
    transition:width var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  }
  .search-box input::placeholder{color:var(--ink-4);}
  .search-box input:focus{
    width:320px;outline:none;background:#fff;
    box-shadow:0 0 0 2px var(--accent);
  }
  .brand-actions{display:flex;align-items:center;gap:12px;}

  .channel-bar{border-top:1px solid var(--line);}
  .channel-inner{
    display:flex;align-items:center;gap:8px;
    padding:9px 24px;overflow-x:auto;scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .channel-inner::-webkit-scrollbar{display:none;}
  .tab{
    flex:0 0 auto;display:inline-flex;align-items:center;
    height:34px;padding:0 16px;border-radius:999px;
    font-size:14px;font-weight:500;color:var(--ink);
    transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
  }
  .tab:hover{background:var(--paper-2);}
  .tab.is-active{background:var(--ink);color:#fff;font-weight:600;}
  .tab.is-active:hover{background:var(--ink-2);}

  /* ---------- 面包屑 & 页头 ---------- */
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    padding:24px 0 0;font-size:14px;color:var(--ink-4);
  }
  .breadcrumb a:hover{color:var(--accent-dark);}
  .breadcrumb .sep{color:var(--line-strong);}
  .breadcrumb .current{color:var(--ink);font-weight:600;}

  .page-head{padding:24px 0 64px;position:relative;overflow:hidden;}
  .page-head::before{
    content:"";position:absolute;right:-80px;top:40px;width:420px;height:320px;
    background-image:radial-gradient(rgba(20,18,31,.16) 1px,transparent 1px);
    background-size:22px 22px;opacity:.28;pointer-events:none;
  }
  .page-head-grid{
    display:grid;grid-template-columns:1.18fr .82fr;gap:56px;align-items:center;
    position:relative;z-index:1;
  }
  .head-copy h1{font-size:44px;font-weight:800;letter-spacing:-.02em;line-height:1.2;}
  .head-copy h1 .accent{color:var(--accent);}
  .head-copy .lead{
    margin-top:20px;max-width:640px;
    font-size:16px;line-height:1.85;color:var(--ink-3);
  }
  .head-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
  .head-figure{margin:0;}
  .head-figure img{
    width:100%;aspect-ratio:16/7;object-fit:cover;
    border-radius:var(--r-lg);box-shadow:var(--shadow-1);
  }

  /* ---------- 主内容区 ---------- */
  .layout{
    display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:56px;
    padding:8px 0 104px;align-items:start;
  }
  .prose h2{
    font-size:26px;font-weight:700;margin:48px 0 16px;
    padding-left:14px;border-left:3px solid var(--accent);line-height:1.35;
  }
  .prose h2:first-child{margin-top:0;}
  .prose p{color:var(--ink-3);line-height:1.9;margin-bottom:18px;}
  .prose strong{color:var(--ink);font-weight:600;}

  .steps-ol{counter-reset:step;margin:8px 0 24px;}
  .steps-ol li{
    counter-increment:step;position:relative;
    padding:0 0 20px 48px;color:var(--ink-3);line-height:1.85;
  }
  .steps-ol li::before{
    content:counter(step,decimal-leading-zero);
    position:absolute;left:0;top:2px;
    width:32px;height:32px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:var(--paper-2);color:var(--ink);
    font-family:var(--font-num);font-size:13px;font-weight:600;
    font-variant-numeric:tabular-nums;
  }
  .steps-ol li:last-child{padding-bottom:0;}
  .steps-ol li strong{display:block;color:var(--ink);font-size:17px;margin-bottom:2px;}

  .check-list{margin:8px 0 24px;display:grid;gap:12px;}
  .check-list li{
    position:relative;padding-left:26px;color:var(--ink-3);line-height:1.8;
  }
  .check-list li::before{
    content:"";position:absolute;left:4px;top:12px;
    width:7px;height:7px;border-radius:2px;background:var(--accent);
  }
  .check-list li b{color:var(--ink);font-weight:600;}

  .note-box{
    background:var(--paper-2);border-radius:var(--r-md);
    padding:20px 24px;margin:24px 0;color:var(--ink-3);
    font-size:15px;line-height:1.85;
  }
  .note-box b{color:var(--ink);}

  /* ---------- 侧栏信息卡 ---------- */
  .info-card{
    position:sticky;top:112px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    padding:24px;box-shadow:var(--shadow-1);
  }
  .info-card h2{font-size:19px;margin-bottom:6px;}
  .info-card .sub{font-size:13px;color:var(--ink-4);margin-bottom:18px;}
  .info-list{display:grid;gap:0;margin-bottom:22px;}
  .info-list li{
    display:flex;justify-content:space-between;gap:12px;
    padding:12px 0;border-bottom:1px solid var(--line);
    font-size:14px;color:var(--ink-3);
  }
  .info-list li:first-child{border-top:1px solid var(--line);}
  .info-list li span:first-child{color:var(--ink-4);flex:0 0 auto;}
  .info-list li span:last-child{color:var(--ink);font-weight:600;text-align:right;}
  .info-tip{margin-top:14px;font-size:13px;line-height:1.7;color:var(--ink-4);}

  /* ---------- 通用板块 ---------- */
  .section{padding:8px 0 88px;}
  .section-head{max-width:720px;margin-bottom:36px;}
  .section-head h2{font-size:34px;font-weight:800;letter-spacing:-.02em;}
  .section-head h2 .accent{color:var(--accent);}
  .section-head p{margin-top:14px;color:var(--ink-3);font-size:16px;line-height:1.85;}

  /* 情形卡 */
  .scene-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start;}
  .scene-side{display:grid;gap:16px;}
  .scene-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  }
  .scene-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-2);}
  .scene-card img{width:100%;object-fit:cover;}
  .scene-card.big img{aspect-ratio:16/9;}
  .scene-card.small{display:grid;grid-template-columns:150px minmax(0,1fr);align-items:stretch;}
  .scene-card.small img{height:100%;min-height:132px;aspect-ratio:1/1;object-fit:cover;}
  .scene-body{padding:22px 24px;}
  .scene-card.small .scene-body{padding:18px 20px;}
  .scene-body h3{font-size:19px;margin-bottom:8px;}
  .scene-card.small h3{font-size:17px;}
  .scene-body p{font-size:15px;color:var(--ink-3);line-height:1.8;}
  .scene-card.small p{font-size:14px;}

  /* 流程 */
  .flow{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
    border-top:1px solid var(--line);padding-top:32px;gap:0;
  }
  .flow-step{padding:0 24px;border-left:1px solid var(--line);}
  .flow-step:first-child{padding-left:0;border-left:0;}
  .flow-step:last-child{padding-right:0;}
  .flow-num{
    font-family:var(--font-num);font-size:38px;font-weight:800;
    color:var(--line-strong);line-height:1;margin-bottom:14px;
    font-variant-numeric:tabular-nums;letter-spacing:-.03em;
  }
  .flow-step h3{font-size:18px;margin-bottom:8px;}
  .flow-step p{font-size:14px;color:var(--ink-3);line-height:1.8;}

  /* FAQ */
  .faq{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;gap:16px;
    padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);
    transition:color var(--dur) var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";margin-left:auto;flex:0 0 auto;
    width:26px;height:26px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:18px;font-weight:400;color:var(--ink-3);
    background:var(--paper-2);
    transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease);
  }
  .faq-item summary:hover{color:var(--accent-dark);}
  .faq-item[open] summary::after{
    content:"×";transform:rotate(0deg);
    background:var(--accent-soft);color:var(--accent-dark);
  }
  .faq-answer{
    padding:0 44px 24px 4px;
    font-size:16px;line-height:1.85;color:var(--ink-3);
    animation:fadeUp .28s var(--ease) both;
  }
  @keyframes fadeUp{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

  .faq-foot{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    margin-top:24px;font-size:15px;color:var(--ink-3);
  }
  .faq-foot a{color:var(--accent-dark);font-weight:600;border-bottom:1px solid var(--accent-dark);}

  /* CTA 条 */
  .cta-section{padding:0 0 96px;}
  .cta-band{
    position:relative;overflow:hidden;
    background:var(--ink);border-radius:var(--r-lg);
    padding:56px 56px;
    display:flex;align-items:center;justify-content:space-between;gap:40px;
  }
  .cta-band::after{
    content:"";position:absolute;right:-40px;bottom:-60px;width:320px;height:240px;
    background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
    background-size:20px 20px;opacity:.08;pointer-events:none;
  }
  .cta-copy{position:relative;z-index:1;max-width:560px;}
  .cta-copy h2{color:#fff;font-size:32px;font-weight:800;}
  .cta-copy h2 .accent{color:var(--accent);}
  .cta-copy p{margin-top:12px;color:rgba(255,255,255,.72);font-size:16px;line-height:1.8;}
  .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex:0 0 auto;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--paper-2);border-top:1px solid var(--line);padding-top:64px;}
  .footer-grid{
    display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:48px;
    padding-bottom:44px;
  }
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--ink-3);max-width:380px;}
  .footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:0;}
  .footer-links{display:grid;gap:10px;}
  .footer-links a{font-size:14px;color:var(--ink-3);}
  .footer-links a:hover{color:var(--accent-dark);}
  .footer-info{display:grid;gap:10px;font-size:14px;color:var(--ink-3);}
  .footer-info li{display:flex;gap:10px;}
  .footer-info span{color:var(--ink-4);flex:0 0 42px;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    padding:20px 0 32px;border-top:1px solid var(--line-strong);
    font-size:13px;color:var(--ink-4);
  }
  .footer-brand .logo-text{font-size:19px;}

  /* ---------- 入场动效 ---------- */
  .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
  .reveal.is-visible{opacity:1;transform:none;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1199px){
    .head-copy h1{font-size:38px;}
    .page-head-grid{gap:40px;}
  }
  @media (max-width:1023px){
    .page-head-grid{grid-template-columns:1fr;gap:32px;}
    .page-head::before{display:none;}
    .layout{grid-template-columns:1fr;gap:36px;padding-bottom:80px;}
    .info-card{position:static;order:-1;}
    .scene-grid{grid-template-columns:1fr;}
    .flow{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:32px;}
    .flow-step:nth-child(odd){padding-left:0;border-left:0;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:48px 40px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
    .footer-brand{grid-column:1 / -1;}
  }
  @media (max-width:767px){
    body{font-size:16px;}
    .container{padding:0 20px;}
    .brand-inner{gap:16px;}
    .logo-text{font-size:18px;}
    .logo-text i{font-size:12px;}
    .search-box{display:none;}
    .brand-actions{margin-left:auto;}
    .channel-inner{padding:9px 20px;}
    .head-copy h1{font-size:32px;}
    .head-copy .lead{font-size:15px;}
    .page-head{padding:16px 0 48px;}
    .prose h2{font-size:23px;margin-top:40px;}
    .section{padding-bottom:64px;}
    .section-head h2{font-size:26px;}
    .scene-card.small{grid-template-columns:1fr;}
    .scene-card.small img{aspect-ratio:16/9;min-height:0;}
    .flow{grid-template-columns:1fr;}
    .flow-step{padding:0 0 0 20px;border-left:1px solid var(--line);}
    .flow-step:first-child{padding-left:20px;border-left:1px solid var(--line);}
    .flow-num{font-size:32px;}
    .cta-band{padding:40px 24px;}
    .cta-copy h2{font-size:26px;}
    .cta-actions{width:100%;flex-direction:column;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:32px;}
    .footer-bottom{flex-direction:column;}
    .faq-answer{padding-right:8px;}
  }
  @media (max-width:519px){
    .head-copy h1{font-size:29px;}
    .info-card{padding:20px;}
    .scene-body{padding:20px;}
    .btn{min-height:44px;}
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;transition:none;}
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  }

/* roulang page: category3 */
:root{
    --ink:#14121F;
    --ink-2:#24223A;
    --ink-3:#4A4759;
    --muted:#8C8899;
    --accent:#FF6B35;
    --accent-hover:#E2541F;
    --accent-soft:#FFF0E9;
    --gold:#F2C14E;
    --bg:#FAF8F4;
    --bg-2:#F1EEE7;
    --card:#FFFFFF;
    --line:#E3DED4;
    --line-strong:#D9D2C6;
    --r-sm:8px;
    --r-md:14px;
    --r-lg:20px;
    --shadow-hover:0 10px 24px rgba(20,18,31,.06);
    --shadow-soft:0 1px 2px rgba(20,18,31,.04);
    --ease:cubic-bezier(.22,.61,.36,1);
    --dur:.24s;
    --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font);
    font-size:17px;
    line-height:1.8;
    color:var(--ink-3);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
  ul,ol{padding-left:0;list-style:none;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  input,textarea{font-family:inherit;font-size:16px;color:var(--ink);}
  a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,textarea:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
    border-radius:4px;
  }

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

  /* ---------- 顶部品牌行 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(250,248,244,.95);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .brand-bar{height:68px;display:flex;align-items:center;}
  .brand-inner{display:flex;align-items:center;gap:24px;width:100%;}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;min-height:44px;}
  .brand-mark{width:22px;height:22px;flex-shrink:0;color:var(--accent);}
  .logo-text{display:flex;align-items:baseline;gap:8px;white-space:nowrap;}
  .logo-text strong{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
  .logo-text i{font-style:normal;font-size:13px;color:var(--muted);letter-spacing:0;}
  .logo-text em{font-style:normal;color:var(--accent);}

  .nav-search{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:8px;
    height:40px;
    padding:0 14px;
    background:var(--bg-2);
    border-radius:999px;
    transition:max-width var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
    max-width:240px;
    width:100%;
  }
  .nav-search:focus-within{max-width:320px;box-shadow:0 0 0 2px var(--accent);}
  .nav-search svg{width:16px;height:16px;color:var(--muted);flex-shrink:0;}
  .nav-search input{
    border:0;background:transparent;outline:none;width:100%;
    font-size:13px;color:var(--ink);
  }
  .nav-search input::placeholder{color:var(--muted);}

  .brand-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 26px;border-radius:10px;
    font-size:15px;font-weight:600;letter-spacing:.01em;
    transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),
               color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),
               border-color var(--dur) var(--ease);
    white-space:nowrap;
  }
  .btn-primary{background:var(--accent);color:#fff;box-shadow:none;}
  .btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 8px 20px rgba(226,84,31,.18);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-sm{height:40px;padding:0 20px;font-size:14px;border-radius:10px;}
  .btn-outline{
    background:transparent;color:var(--ink);border:1.5px solid var(--ink);
  }
  .btn-outline:hover{background:var(--ink);color:#fff;}
  .btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
  .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
  .btn-block{width:100%;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:15px;font-weight:600;color:var(--ink);
    border-bottom:1px solid var(--line-strong);
    padding-bottom:2px;
    transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  }
  .link-arrow svg{width:16px;height:16px;transition:transform var(--dur) var(--ease);}
  .link-arrow:hover{color:var(--accent);border-color:var(--accent);}
  .link-arrow:hover svg{transform:translateX(4px);}

  .menu-toggle{
    display:none;width:44px;height:44px;align-items:center;justify-content:center;
    border-radius:10px;border:1px solid var(--line-strong);color:var(--ink);
  }
  .menu-toggle svg{width:20px;height:20px;}

  /* ---------- 频道行 ---------- */
  .channel-bar{border-top:1px solid var(--line);}
  .channel-inner{
    display:flex;align-items:center;gap:8px;
    height:52px;overflow-x:auto;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .channel-inner::-webkit-scrollbar{display:none;}
  .tab{
    display:inline-flex;align-items:center;
    height:34px;padding:0 16px;border-radius:999px;
    font-size:14px;color:var(--ink-3);white-space:nowrap;
    transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
  }
  .tab:hover{background:var(--bg-2);color:var(--ink);}
  .tab.is-active{background:var(--ink);color:#fff;font-weight:600;}

  /* ---------- 抽屉 ---------- */
  .drawer{
    position:fixed;inset:0;z-index:80;
    background:var(--bg);
    transform:translateY(-100%);
    transition:transform .32s var(--ease);
    display:flex;flex-direction:column;
    padding:20px 24px 32px;
    overflow-y:auto;
    visibility:hidden;
  }
  .drawer.is-open{transform:translateY(0);visibility:visible;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;height:44px;margin-bottom:20px;}
  .drawer-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line-strong);border-radius:10px;}
  .drawer-search{
    display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
    background:var(--bg-2);border-radius:999px;margin-bottom:20px;
  }
  .drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
  .drawer-links{display:flex;flex-direction:column;}
  .drawer-links a{
    padding:14px 4px;border-bottom:1px solid var(--line);
    font-size:16px;color:var(--ink);
  }
  .drawer-links a.is-active{color:var(--accent);font-weight:700;}
  .drawer-foot{margin-top:auto;padding-top:24px;font-size:13px;color:var(--muted);line-height:2;}

  /* ---------- 页面头部 ---------- */
  .page-head{padding:32px 0 56px;}
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);margin-bottom:22px;
  }
  .breadcrumb a:hover{color:var(--accent);}
  .breadcrumb .sep{color:var(--line-strong);}
  .breadcrumb .current{color:var(--ink-3);}
  .badge{
    display:inline-flex;align-items:center;
    height:26px;padding:0 12px;border-radius:999px;
    font-size:13px;background:var(--accent-soft);color:var(--accent-hover);font-weight:600;
  }
  .badge-neutral{background:var(--bg-2);color:var(--ink-3);font-weight:500;}
  .page-title{
    margin:14px 0 16px;
    font-size:40px;line-height:1.24;font-weight:800;
    color:var(--ink);letter-spacing:-.02em;
    max-width:900px;
  }
  .page-title em{font-style:normal;color:var(--accent);}
  .page-lead{
    max-width:700px;font-size:16px;line-height:1.85;color:var(--ink-3);
  }
  .head-figure{
    margin-top:36px;border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--line);background:var(--bg-2);
  }
  .head-figure img{width:100%;aspect-ratio:16/6;object-fit:cover;}

  /* ---------- 引导主体 ---------- */
  .guide-section{padding:0 0 96px;}
  .guide-wrap{
    display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;
  }
  .anchor-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
    padding:24px;position:sticky;top:152px;
  }
  .anchor-title{
    font-size:14px;font-weight:700;color:var(--ink);
    letter-spacing:.04em;margin-bottom:14px;
  }
  .anchor-list{display:flex;flex-direction:column;gap:2px;margin-bottom:22px;}
  .anchor-list a{
    display:flex;align-items:center;gap:10px;
    padding:9px 10px;border-radius:var(--r-sm);
    font-size:14px;color:var(--ink-3);
    border-left:2px solid transparent;
    transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  }
  .anchor-list a span{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
  .anchor-list a:hover{background:var(--bg-2);color:var(--ink);}
  .anchor-list a.is-current{color:var(--ink);font-weight:600;border-left-color:var(--accent);background:var(--bg-2);}
  .anchor-note{font-size:13px;line-height:1.7;color:var(--muted);margin-top:14px;}

  .steps{position:relative;}
  .steps::before{
    content:"";position:absolute;left:19px;top:18px;bottom:18px;
    width:3px;border-radius:2px;background:var(--line);
  }
  .step{position:relative;display:grid;grid-template-columns:40px 1fr;gap:24px;padding-bottom:44px;}
  .step:last-child{padding-bottom:0;}
  .step-node{
    width:40px;height:40px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:rgba(20,18,31,.08);color:var(--ink-3);
    font-size:13px;font-weight:700;
    font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
    position:relative;z-index:1;border:3px solid var(--bg);
  }
  .step.is-first .step-node{background:var(--accent);color:#fff;}
  .step-body{padding-top:2px;}
  .step-title{
    font-size:20px;font-weight:700;color:var(--ink);
    letter-spacing:-.01em;margin-bottom:10px;
  }
  .step-body p{font-size:16px;line-height:1.85;color:var(--ink-3);margin-bottom:14px;}
  .step-body p:last-child{margin-bottom:0;}
  .tick-list{display:flex;flex-direction:column;gap:8px;margin-bottom:14px;}
  .tick-list li{
    position:relative;padding-left:18px;
    font-size:15px;line-height:1.75;color:var(--ink-3);
  }
  .tick-list li::before{
    content:"";position:absolute;left:0;top:.72em;
    width:6px;height:6px;border-radius:1px;background:var(--accent);
  }
  .step-figure{
    margin-top:16px;border-radius:var(--r-md);overflow:hidden;
    border:1px solid var(--line);background:var(--bg-2);
  }
  .step-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}

  /* ---------- 清单区块 ---------- */
  .checklist-section{background:var(--bg-2);padding:88px 0;}
  .section-head{margin-bottom:36px;max-width:760px;}
  .section-head h2{
    font-size:34px;line-height:1.3;font-weight:800;color:var(--ink);
    letter-spacing:-.02em;margin-bottom:12px;
    padding-left:16px;border-left:3px solid var(--accent);
  }
  .section-head p{font-size:16px;color:var(--ink-3);line-height:1.85;}
  .check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .check-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
    padding:24px;
    transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  }
  .check-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
  .check-card h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:10px;}
  .check-card p{font-size:15px;line-height:1.8;color:var(--ink-3);}
  .check-tag{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;
    border-radius:999px;font-size:12px;background:var(--bg-2);color:var(--ink-3);
    margin-bottom:12px;
  }

  /* ---------- FAQ ---------- */
  .faq-section{padding:96px 0;}
  .faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
  .faq-side{position:sticky;top:152px;}
  .faq-side h2{
    font-size:34px;line-height:1.3;font-weight:800;color:var(--ink);
    letter-spacing:-.02em;margin-bottom:12px;
    padding-left:16px;border-left:3px solid var(--accent);
  }
  .faq-side p{font-size:15px;line-height:1.8;color:var(--ink-3);margin-bottom:18px;}
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 4px;min-height:64px;cursor:pointer;list-style:none;
    font-size:17px;font-weight:600;color:var(--ink);
    transition:color var(--dur) var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--accent-hover);}
  .faq-item summary .plus{
    flex-shrink:0;width:22px;height:22px;position:relative;
    transition:transform .28s var(--ease);
  }
  .faq-item summary .plus::before,
  .faq-item summary .plus::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--accent);
    border-radius:2px;
  }
  .faq-item summary .plus::before{width:12px;height:2px;transform:translate(-50%,-50%);}
  .faq-item summary .plus::after{width:2px;height:12px;transform:translate(-50%,-50%);}
  .faq-item[open] summary .plus{transform:rotate(45deg);}
  .faq-answer{padding:0 4px 22px;font-size:16px;line-height:1.85;color:var(--ink-3);}

  /* ---------- CTA ---------- */
  .cta-section{padding:0 0 96px;}
  .cta-band{
    position:relative;overflow:hidden;
    background:var(--ink);border-radius:var(--r-lg);
    padding:64px 56px;
    display:flex;align-items:center;justify-content:space-between;gap:40px;
  }
  .cta-band::after{
    content:"";position:absolute;right:-40px;bottom:-60px;
    width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,107,53,.18) 0%,rgba(255,107,53,0) 70%);
    pointer-events:none;
  }
  .cta-copy{position:relative;z-index:1;max-width:620px;}
  .cta-copy h2{
    font-size:30px;font-weight:800;color:#fff;letter-spacing:-.01em;margin-bottom:12px;
  }
  .cta-copy p{font-size:16px;line-height:1.8;color:rgba(255,255,255,.72);}
  .cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-shrink:0;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 0;}
  .footer-grid{
    display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;
    padding-bottom:48px;
  }
  .footer-brand .logo-text{margin-bottom:14px;}
  .footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-3);max-width:340px;}
  .footer-col h4{
    font-size:13px;font-weight:700;color:var(--ink);
    letter-spacing:.08em;margin-bottom:16px;
  }
  .footer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;}
  .footer-links a{font-size:14px;color:var(--ink-3);transition:color var(--dur) var(--ease);}
  .footer-links a:hover{color:var(--accent);}
  .footer-info li{
    display:flex;gap:12px;font-size:14px;color:var(--ink-3);
    padding:7px 0;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
  }
  .footer-info li span{color:var(--muted);flex-shrink:0;width:36px;}
  .footer-bottom{
    border-top:1px solid var(--line-strong);
    padding:22px 24px;
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:var(--muted);
  }

  /* ---------- 入场动效 ---------- */
  .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
  .reveal.in{opacity:1;transform:none;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .guide-wrap{grid-template-columns:1fr;gap:32px;}
    .anchor-card{position:static;}
    .faq-wrap{grid-template-columns:1fr;gap:32px;}
    .faq-side{position:static;}
    .check-grid{grid-template-columns:repeat(2,1fr);}
    .page-title{font-size:34px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  }

  @media (max-width:900px){
    .nav-search{display:none;}
  }

  @media (max-width:767px){
    body{font-size:16px;}
    .container{padding:0 20px;}
    .brand-bar{height:60px;}
    .logo-text strong{font-size:18px;}
    .logo-text i{font-size:12px;}
    .brand-actions .btn-primary{display:none;}
    .menu-toggle{display:flex;}
    .brand-inner{gap:12px;}
    .channel-inner{height:48px;gap:6px;}
    .tab{height:32px;padding:0 14px;font-size:13px;}
    .page-head{padding:24px 0 40px;}
    .page-title{font-size:30px;line-height:1.3;}
    .page-lead{font-size:15px;}
    .head-figure{margin-top:26px;}
    .head-figure img{aspect-ratio:16/9;}
    .guide-section{padding-bottom:56px;}
    .anchor-card{padding:18px;}
    .anchor-list{
      flex-direction:row;overflow-x:auto;gap:8px;margin-bottom:0;
      scrollbar-width:none;padding-bottom:2px;
    }
    .anchor-list::-webkit-scrollbar{display:none;}
    .anchor-list a{
      border-left:0;border:1px solid var(--line-strong);border-radius:999px;
      padding:7px 14px;white-space:nowrap;font-size:13px;background:var(--card);
    }
    .anchor-list a.is-current{background:var(--ink);color:#fff;border-color:var(--ink);}
    .anchor-list a span{display:none;}
    .anchor-card .btn-block,.anchor-note{display:none;}
    .steps::before{left:15px;width:2px;}
    .step{grid-template-columns:32px 1fr;gap:16px;padding-bottom:34px;}
    .step-node{width:32px;height:32px;font-size:12px;border-width:2px;}
    .step-title{font-size:18px;}
    .step-body p{font-size:15px;}
    .checklist-section{padding:56px 0;}
    .section-head h2{font-size:24px;}
    .check-grid{grid-template-columns:1fr;gap:16px;}
    .faq-section{padding:56px 0;}
    .faq-side h2{font-size:24px;}
    .faq-item summary{font-size:16px;padding:18px 2px;}
    .faq-answer{font-size:15px;}
    .cta-section{padding-bottom:56px;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:26px;}
    .cta-copy h2{font-size:24px;}
    .cta-actions{width:100%;flex-direction:column;}
    .cta-actions .btn{width:100%;}
    .site-footer{padding-top:48px;}
    .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px;}
    .footer-bottom{flex-direction:column;gap:8px;padding:20px;}
  }

  @media (max-width:520px){
    .page-title{font-size:27px;}
    .logo-text i{display:none;}
    .channel-inner{mask-image:none;}
  }

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

/* roulang page: category2 */
:root{
  --ink:#14121F;
  --ink-2:#24223A;
  --ink-3:#4A4759;
  --ink-4:#8C8899;
  --accent:#FF6B35;
  --accent-deep:#E2541F;
  --accent-soft:#FFF0E9;
  --gold:#F2C14E;
  --paper:#FAF8F4;
  --paper-2:#F1EEE7;
  --card:#FFFFFF;
  --line:#E3DED4;
  --line-strong:#D9D2C6;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,31,.04);
  --sh-2:0 10px 24px rgba(20,18,31,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.24s;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
button{font-family:inherit}
input,textarea{font-family:inherit}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,248,244,.95);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brand-inner{display:flex;align-items:center;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:20px;height:20px;color:var(--accent);flex:0 0 auto}
.logo-text{display:inline-flex;align-items:baseline;gap:8px;white-space:nowrap}
.logo-text strong{font-size:20px;font-weight:800;letter-spacing:-.01em}
.logo-text i{font-style:normal;font-size:13px;color:var(--ink-4)}
.logo-text i::before{content:"·";margin-right:8px;color:var(--line-strong);font-weight:700}
.search-box{position:relative;margin-left:auto;width:240px;flex:0 0 auto;transition:width var(--dur) var(--ease)}
.search-box:focus-within{width:320px}
.search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--ink-4);pointer-events:none}
.search-box input{
  width:100%;height:40px;border:1px solid transparent;background:var(--paper-2);
  border-radius:var(--r-pill);padding:0 16px 0 38px;font-size:13px;color:var(--ink);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.search-box input::placeholder{color:var(--ink-4)}
.search-box input:focus{outline:none;border-color:var(--accent);background:#fff}
.brand-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.menu-toggle{
  display:none;align-items:center;justify-content:center;gap:6px;
  height:40px;padding:0 14px;border:1.5px solid var(--line-strong);border-radius:var(--r-sm);
  background:transparent;color:var(--ink);font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.menu-toggle:hover{border-color:var(--ink);background:var(--paper-2)}

.channel-bar{
  position:relative;
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 32px,#000 calc(100% - 32px),transparent 100%);
  mask-image:linear-gradient(to right,transparent 0,#000 32px,#000 calc(100% - 32px),transparent 100%);
}
.channel-inner{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;color:var(--ink);white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.tab:hover{background:var(--paper-2)}
.tab.is-active{background:var(--ink);color:#fff;font-weight:600}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:10px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),
             border-color var(--dur) var(--ease);
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 8px 20px rgba(226,84,31,.18)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:2px}
.link-arrow span{transition:transform var(--dur) var(--ease)}
.link-arrow:hover{color:var(--accent-deep);border-color:var(--accent-deep)}
.link-arrow:hover span{transform:translateX(4px)}

/* ============ 页面头部 ============ */
.page-head{padding:0 0 8px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:24px 0 0;font-size:14px;color:var(--ink-4)}
.breadcrumb a{color:var(--ink-4);transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--accent-deep)}
.breadcrumb .sep{color:var(--line-strong)}
.breadcrumb .current{color:var(--ink)}
.page-title{font-size:40px;line-height:1.28;font-weight:800;letter-spacing:-.02em;margin:14px 0 16px;max-width:900px}
.page-lead{font-size:16px;line-height:1.85;color:var(--ink-3);max-width:680px}
.badge{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:var(--accent-soft);color:var(--accent-deep);
}
.badge-solid{background:var(--paper-2);color:var(--ink)}
.badge-gold{background:transparent;border:1px solid var(--gold);color:var(--ink-3)}

.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:36px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:24px 24px 24px 0;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat:nth-child(n+2){padding-left:24px}
.stat strong{display:block;font-size:32px;font-weight:800;line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--ink-4)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-title{position:relative;padding-left:16px;font-size:34px;line-height:1.3;font-weight:800;letter-spacing:-.02em}
.section-title::before{content:"";position:absolute;left:0;top:.2em;width:3px;height:.95em;background:var(--accent);border-radius:2px}
.section-desc{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-3);max-width:560px}

/* ============ 列表流 ============ */
.news-list{border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:start;
  padding:28px 12px 28px 0;border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease);
}
.news-item:hover{background:var(--paper-2)}
.thumb{width:220px;aspect-ratio:11/7;border-radius:var(--r-md);overflow:hidden;background:var(--paper-2)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-item:hover .thumb img{transform:scale(1.03)}
.news-body h3{margin:10px 0 8px;font-size:20px;line-height:1.45;font-weight:700;letter-spacing:-.01em}
.news-body p{
  font-size:15px;line-height:1.75;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:16px;margin-top:14px;font-size:13px;color:var(--ink-4)}
.news-meta .arrow{margin-left:auto;font-size:16px;color:var(--ink-4);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease)}
.news-item:hover .news-meta .arrow{transform:translateX(4px);color:var(--accent-deep)}

/* ============ 覆盖项目 ============ */
.coverage{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-3);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.tag:hover{border-color:var(--ink);color:var(--ink)}
.info-list{border-top:1px solid var(--line)}
.info-list li{padding:22px 0;border-bottom:1px solid var(--line)}
.info-list h3{font-size:19px;font-weight:700;letter-spacing:-.01em;margin-bottom:6px}
.info-list p{font-size:15px;line-height:1.8;color:var(--ink-3)}

/* ============ 三步 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr)}
.step{padding:0 32px;border-left:1px solid var(--line)}
.step:first-child{border-left:0;padding-left:0}
.step .num{font-size:72px;font-weight:800;line-height:.95;letter-spacing:-.04em;color:rgba(20,18,31,.12);font-variant-numeric:tabular-nums}
.step h3{margin:10px 0 6px;font-size:20px;font-weight:700}
.step p{font-size:15px;line-height:1.8;color:var(--ink-3)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:64px;align-items:start}
.faq-aside{position:sticky;top:140px}
.faq-aside .section-desc{margin-top:12px}
.faq-aside .link-arrow{margin-top:24px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0;background:none;border:0;font-size:17px;font-weight:600;
  color:var(--ink);text-align:left;cursor:pointer;
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--accent-deep)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;transition:transform .28s var(--ease)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink-4);border-radius:2px;
  transition:background var(--dur) var(--ease);
}
.faq-icon::before{width:16px;height:1.5px;transform:translate(-50%,-50%)}
.faq-icon::after{width:1.5px;height:16px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--accent)}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-panel-inner{padding:0 48px 20px 0;font-size:16px;line-height:1.85;color:var(--ink-3)}
.faq-foot{margin-top:28px;font-size:14px;color:var(--ink-4)}
.faq-foot a{color:var(--ink);border-bottom:1px solid var(--accent);padding-bottom:1px}
.faq-foot a:hover{color:var(--accent-deep)}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 96px}
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  border-radius:var(--r-lg);padding:64px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.png) center/cover no-repeat;
  opacity:.16;
}
.cta-band > *{position:relative;z-index:1}
.cta-copy h2{font-size:32px;line-height:1.3;font-weight:800;letter-spacing:-.02em;margin-bottom:10px}
.cta-copy p{font-size:16px;line-height:1.8;color:rgba(255,255,255,.74);max-width:560px}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand p{margin-top:12px;font-size:14px;line-height:1.85;color:var(--ink-3);max-width:360px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:var(--ink-3);transition:color var(--dur) var(--ease)}
.footer-links a:hover{color:var(--accent-deep);text-decoration:underline;text-underline-offset:4px}
.footer-info{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--ink-3)}
.footer-info span{color:var(--ink-4);margin-right:10px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:20px 0;font-size:13px;color:var(--ink-4);
}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:90;display:none;flex-direction:column;
  background:var(--paper);overflow-y:auto;
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);border-radius:var(--r-sm);background:transparent;
  font-size:22px;line-height:1;color:var(--ink);cursor:pointer;
}
.drawer-close:hover{background:var(--paper-2)}
.drawer-body{padding:24px;display:flex;flex-direction:column;gap:20px}
.drawer-search{display:flex;gap:10px}
.drawer-search input{
  flex:1 1 auto;height:48px;border:1px solid var(--line);border-radius:10px;
  padding:0 16px;font-size:15px;background:#fff;color:var(--ink);
}
.drawer-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,107,53,.18)}
.drawer-nav{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line)}
.drawer-nav a{
  padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:var(--ink);
}
.drawer-nav a.is-active{color:var(--accent-deep)}
.drawer-cta{width:100%}
.drawer-note{font-size:13px;color:var(--ink-4);text-align:center}

/* ============ 入场动效 ============ */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.reveal{animation:fadeUp .5s var(--ease) both}
.reveal-2{animation-delay:.06s}
.reveal-3{animation-delay:.12s}
.reveal-4{animation-delay:.18s}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .page-title{font-size:36px}
  .coverage,.faq-layout{gap:48px}
  .cta-band{padding:56px}
}
@media (max-width:1023px){
  body{font-size:16px}
  .section{padding:80px 0}
  .search-box{width:200px}
  .search-box:focus-within{width:240px}
  .coverage{grid-template-columns:1fr;gap:40px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .section-title{font-size:30px}
  .page-title{font-size:34px}
}
@media (max-width:767px){
  .brand-inner{height:60px;gap:10px}
  .logo-text strong{font-size:18px}
  .logo-text i{font-size:12px}
  .search-box{display:none}
  .menu-toggle{display:inline-flex}
  .brand-actions .btn-sm{height:36px;padding:0 14px;font-size:13px}
  .channel-inner{height:46px;padding:0 20px}
  .container{padding:0 20px}
  .page-title{font-size:30px;letter-spacing:-.015em}
  .page-lead{font-size:15px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat{padding:20px 0;border-left:0}
  .stat:nth-child(n+2){padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .stat strong{font-size:28px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .section-head{margin-bottom:28px}
  .section-title{font-size:24px;padding-left:14px}
  .news-item{grid-template-columns:1fr;gap:16px;padding:24px 0}
  .thumb{width:100%;aspect-ratio:16/9}
  .news-body h3{font-size:19px;margin-top:0}
  .news-meta .arrow{margin-left:0}
  .steps{grid-template-columns:1fr}
  .step{padding:24px 0;border-left:0;border-top:1px solid var(--line)}
  .step:first-child{border-top:0;padding-top:0}
  .step .num{font-size:56px}
  .faq-q{font-size:16px;padding:18px 0}
  .faq-panel-inner{padding-right:0;font-size:15px}
  .cta-wrap{padding:0 0 56px}
  .cta-band{padding:32px 24px;gap:24px;border-radius:var(--r-md)}
  .cta-copy h2{font-size:24px}
  .cta-copy p{font-size:15px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .site-footer{padding-top:48px}
  .footer-bottom{font-size:12px}
}
@media (max-width:519px){
  .page-title{font-size:26px}
  .section-title{font-size:22px}
  .stat strong{font-size:26px}
  .logo-text i{display:none}
  .brand-actions .btn-sm{display:none}
}

/* roulang page: category5 */
:root{
  --ink:#14121F;
  --ink-2:#24223A;
  --text-2:#4A4759;
  --muted:#8C8899;
  --orange:#FF6B35;
  --orange-deep:#E2541F;
  --orange-pale:#FFF0E9;
  --gold:#F2C14E;
  --paper:#FAF8F4;
  --paper-2:#F1EEE7;
  --white:#FFFFFF;
  --line:#E3DED4;
  --line-strong:#D9D2C6;
  --danger:#D64545;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,31,.04);
  --sh-2:0 10px 24px rgba(20,18,31,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.24s;
  --container:1200px;
}
*,*::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","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  letter-spacing:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.015em;line-height:1.35}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.95);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brand-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:20px;height:20px;color:var(--orange);flex:0 0 auto}
.logo-text{display:inline-flex;align-items:baseline;white-space:nowrap}
.logo-text strong{font-size:20px;font-weight:800;letter-spacing:-.02em}
.logo-text i{font-style:normal;font-size:13px;color:var(--muted);margin-left:8px;letter-spacing:0}
.logo-text i::before{
  content:"";display:inline-block;width:4px;height:4px;border-radius:50%;
  background:var(--line-strong);margin-right:8px;vertical-align:middle;
}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:240px;flex:0 1 240px;height:40px;padding:0 16px;
  background:var(--paper-2);border-radius:var(--r-pill);
  transition:max-width var(--dur) var(--ease),box-shadow var(--dur) var(--ease),width var(--dur) var(--ease);
}
.search-box:focus-within{max-width:320px;width:320px;box-shadow:0 0 0 2px var(--orange)}
.search-box svg{width:15px;height:15px;color:var(--muted);flex:0 0 auto}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:13px;color:var(--ink)}
.search-box input::placeholder{color:var(--muted)}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);border-radius:var(--r-sm);color:var(--ink);
}
.menu-toggle svg{width:20px;height:20px}

/* channel bar */
.channel-bar{border-top:1px solid var(--line)}
.channel-inner{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.tab:hover{background:var(--paper-2)}
.tab.is-active{background:var(--ink);color:#fff;font-weight:600}

/* mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;display:none;
  flex-direction:column;gap:20px;padding:24px 24px 32px;
  background:var(--paper);overflow-y:auto;
}
.mobile-drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);border-radius:var(--r-sm);
}
.drawer-close svg{width:18px;height:18px}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 16px;
  background:var(--paper-2);border-radius:var(--r-pill);
}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{
  padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;
}
.drawer-links a.is-active{color:var(--orange-deep)}
.drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.drawer-contact{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;border-radius:10px;
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),
             border-color var(--dur) var(--ease);
}
.btn-sm{min-height:40px;padding:0 20px;font-size:15px;border-radius:10px}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-deep);transform:translateY(-1px);box-shadow:0 8px 20px rgba(226,84,31,.18)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  border-bottom:1px solid var(--ink);padding-bottom:2px;
}
.link-arrow svg{width:15px;height:15px;transition:transform var(--dur) var(--ease)}
.link-arrow:hover{color:var(--orange-deep);border-color:var(--orange-deep)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- page head ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:20px 0;font-size:14px;color:var(--muted);
}
.crumbs a{transition:color var(--dur) var(--ease)}
.crumbs a:hover{color:var(--orange-deep)}
.crumbs .sep{color:var(--line-strong)}
.crumbs .current{color:var(--ink)}
.page-head{padding:16px 0 56px;position:relative;overflow:hidden}
.page-head::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:340px;height:340px;
  background-image:radial-gradient(rgba(20,18,31,.16) 1px,transparent 1px);
  background-size:18px 18px;opacity:.28;pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--orange-pale);color:var(--orange-deep);
  font-size:13px;font-weight:600;margin-bottom:16px;
}
.page-head h1{
  font-size:40px;font-weight:800;letter-spacing:-.02em;line-height:1.25;
  max-width:820px;
}
.page-head .lead{
  margin:20px 0 0;max-width:700px;font-size:16px;line-height:1.85;color:var(--text-2);
}

/* ---------- about grid ---------- */
.about-grid{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;
  padding-bottom:8px;
}
.info-block h2{font-size:24px;margin-bottom:14px}
.info-block > p{font-size:16px;color:var(--text-2)}
.point-list{margin:24px 0 32px;display:flex;flex-direction:column;gap:16px}
.point-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.75}
.point-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--orange-pale);color:var(--orange-deep);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;margin-top:3px;
}
.point-list strong{color:var(--ink);font-weight:600}
.info-list{border-top:1px solid var(--line)}
.info-list li{
  display:flex;justify-content:space-between;gap:20px;align-items:baseline;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:14px;
}
.info-list span{color:var(--muted);flex:0 0 auto}
.info-list b{font-weight:600;font-variant-numeric:tabular-nums;text-align:right;word-break:break-all}

/* form */
.form-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:32px;box-shadow:var(--sh-1);
}
.form-card h2{font-size:22px;margin-bottom:8px}
.form-intro{font-size:14px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.field label .req{color:var(--orange-deep);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;
  padding:12px 16px;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field input,.field select{height:48px}
.field textarea{min-height:140px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#B4B0BE}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,107,53,.18);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.12);
}
.err-msg{display:none;margin-top:6px;font-size:13px;color:var(--danger)}
.field.has-error .err-msg{display:block}
.alert{
  display:none;border-radius:10px;padding:14px 16px;font-size:14px;line-height:1.7;margin-bottom:20px;
}
.alert.is-on{display:block}
.alert-success{background:var(--orange-pale);color:#A63F16;border:1px solid #F6D5C5}
.alert-error{background:#FDECEC;color:#9C2B2B;border:1px solid #F3C9C9}
.form-note{font-size:13px;color:var(--muted);margin:14px 0 0}

/* ---------- generic section ---------- */
.section{padding:88px 0}
.section-alt{background:var(--paper-2)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:34px;font-weight:800;letter-spacing:-.02em;position:relative;padding-left:18px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  background:var(--orange);border-radius:2px;
}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-2)}

/* metrics */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);
}
.metric{padding:32px 24px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{
  display:block;font-size:32px;font-weight:800;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric small{display:block;margin-top:8px;font-size:13px;color:var(--muted);line-height:1.6}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.flow-item{position:relative;padding-top:26px;border-top:2px solid var(--line-strong)}
.flow-item::before{
  content:"";position:absolute;top:-5px;left:0;width:8px;height:8px;
  border-radius:50%;background:var(--orange);
}
.flow-num{
  font-size:13px;font-weight:700;color:var(--orange-deep);
  font-variant-numeric:tabular-nums;letter-spacing:.08em;
}
.flow-item h3{font-size:19px;margin:8px 0 10px}
.flow-item p{font-size:15px;color:var(--text-2);margin:0}

/* media block */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.media-frame{
  border-radius:var(--r-lg);overflow:hidden;background:var(--paper-2);
  border:1px solid var(--line);aspect-ratio:4/3;
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.media-frame:hover img{transform:scale(1.03)}
.split-body h2{font-size:32px;font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
.split-body p{font-size:16px;color:var(--text-2)}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.check-list li{
  display:flex;gap:10px;font-size:15px;color:var(--text-2);
  padding-left:2px;
}
.check-list li::before{
  content:"";flex:0 0 auto;width:5px;height:5px;border-radius:1px;
  background:var(--orange);margin-top:11px;
}

/* faq */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--orange-deep);
  transition:transform var(--dur) var(--ease);flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 0 22px;max-width:840px;font-size:16px;line-height:1.85;color:var(--text-2)}
.faq-body p:last-child{margin-bottom:0}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:280px;height:280px;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:16px 16px;opacity:.08;pointer-events:none;
}
.cta-band h2{font-size:30px;font-weight:800;letter-spacing:-.02em}
.cta-band p{margin:12px 0 0;font-size:16px;color:rgba(255,255,255,.72);max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* footer */
.site-footer{background:var(--paper-2);border-top:1px solid var(--line);margin-top:88px;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);max-width:360px;line-height:1.8}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.footer-links a:hover{color:var(--orange-deep);transform:translateX(2px)}
.footer-info li{
  display:flex;gap:12px;font-size:14px;color:var(--text-2);
  padding:8px 0;border-bottom:1px solid var(--line);
}
.footer-info span{color:var(--muted);flex:0 0 44px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}

/* entrance animation */
.fade-in{opacity:0;transform:translateY(12px);animation:fadeUp .5s var(--ease) forwards}
.fade-in:nth-child(2){animation-delay:.06s}
.fade-in:nth-child(3){animation-delay:.12s}
@keyframes fadeUp{to{opacity:1;transform:none}}

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

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .about-grid{grid-template-columns:1fr;gap:40px}
  .split{grid-template-columns:1fr;gap:32px}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px}
  .page-head h1{font-size:34px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .search-box{display:none}
  .menu-toggle{display:inline-flex}
  .brand-inner{height:60px;gap:12px}
  .logo-text strong{font-size:18px}
  .logo-text i{font-size:12px;margin-left:6px}
  .brand-actions .btn-sm{padding:0 16px;min-height:38px;font-size:14px}
  .page-head{padding:8px 0 40px}
  .page-head h1{font-size:30px}
  .page-head .lead{font-size:15px}
  .section{padding:56px 0}
  .section-head h2{font-size:26px}
  .metrics{grid-template-columns:1fr 1fr}
  .metric{padding:24px 16px;border-bottom:1px solid var(--line)}
  .metric:nth-child(2n){border-right:0}
  .metric:nth-last-child(-n+2){border-bottom:0}
  .metric strong{font-size:26px}
  .flow{grid-template-columns:1fr}
  .form-card{padding:22px}
  .split-body h2{font-size:26px}
  .cta-band{padding:32px 24px;gap:24px}
  .cta-band h2{font-size:24px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .faq-item summary{font-size:16px;padding:18px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:56px;padding:48px 0 20px}
  .footer-bottom{flex-direction:column;gap:8px}
  .info-list li{font-size:13px}
}
@media (max-width:520px){
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--line)}
  .metric:last-child{border-bottom:0}
  .page-head h1{font-size:26px}
}

/* roulang page: category4 */
:root{
  --ink:#14121F;
  --ink-2:#24223A;
  --ink-3:#4A4759;
  --muted:#8C8899;
  --orange:#FF6B35;
  --orange-dark:#E2541F;
  --orange-soft:#FFF0E9;
  --gold:#F2C14E;
  --paper:#FAF8F4;
  --paper-2:#F1EEE7;
  --white:#FFFFFF;
  --line:#E3DED4;
  --line-strong:#D9D2C6;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --shadow-1:0 1px 2px rgba(20,18,31,.04);
  --shadow-2:0 10px 24px rgba(20,18,31,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.24s;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.24;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
input,button,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.95);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brand-row{border-bottom:1px solid var(--line);}
.brand-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;}
.brand-mark{width:20px;height:20px;flex:0 0 auto;color:var(--orange);display:inline-flex;align-items:center;justify-content:center;}
.brand-mark svg{width:20px;height:20px;display:block;}
.logo-text{display:inline-flex;align-items:baseline;white-space:nowrap;}
.logo-text strong{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.logo-text i{
  font-style:normal;font-size:13px;font-weight:400;color:var(--muted);
  margin-left:10px;position:relative;padding-left:10px;
}
.logo-text i::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--line-strong);
}
.search-box{margin-left:auto;}
.search-box input{
  width:240px;height:40px;border:0;border-radius:999px;
  background:var(--paper-2);padding:0 20px;font-size:13px;color:var(--ink);
  transition:width var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur);
}
.search-box input::placeholder{color:var(--muted);}
.search-box input:focus{
  width:320px;background:var(--white);box-shadow:0 0 0 2px var(--orange);outline:none;
}
.brand-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-strong);
  background:var(--white);border-radius:10px;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.menu-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--dur) var(--ease);}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.channel-bar{position:relative;}
.channel-inner{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.channel-inner::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink);white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.tab:hover{background:var(--paper-2);}
.tab.is-active{background:var(--ink);color:#fff;font-weight:600;}
.tab.is-active:hover{background:var(--ink-2);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:10px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(226,84,31,.18);}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--orange-dark);min-height:44px;}
.link-arrow::after{content:"→";transition:transform var(--dur) var(--ease);}
.link-arrow:hover::after{transform:translateX(4px);}

.link-underline{
  font-weight:600;color:var(--ink);
  background-image:linear-gradient(var(--orange),var(--orange));
  background-repeat:no-repeat;background-position:0 100%;background-size:0% 1px;
  transition:background-size var(--dur) var(--ease),color var(--dur) var(--ease);
  padding-bottom:2px;
}
.link-underline:hover{color:var(--orange-dark);background-size:100% 1px;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--orange-soft);color:var(--orange-dark);
}
.badge-neutral{background:var(--paper-2);color:var(--ink-3);}
.badge-gold{background:transparent;color:var(--ink-3);border:1px solid var(--gold);}

/* ---------- page head ---------- */
.page-head{position:relative;overflow:hidden;padding:48px 0 40px;}
.page-head::after{
  content:"";position:absolute;right:-60px;top:-40px;width:360px;height:360px;
  background-image:radial-gradient(rgba(20,18,31,.5) 1px,transparent 1px);
  background-size:24px 24px;opacity:.05;pointer-events:none;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:var(--muted);transition:color var(--dur);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.page-head h1{
  font-size:52px;line-height:1.14;letter-spacing:-.02em;
  margin:18px 0 18px;max-width:880px;
}
.page-head .lead{
  font-size:16px;line-height:1.85;color:var(--ink-3);max-width:700px;
}
.page-head .head-note{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:12px 32px;
  font-size:13px;color:var(--muted);
}
.page-head .head-note span{display:inline-flex;align-items:center;gap:8px;}
.page-head .head-note span::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--orange);display:inline-block;
}

@keyframes rise{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
@media (prefers-reduced-motion:no-preference){
  .page-head .badge,.page-head h1,.page-head .lead,.page-head .head-note{animation:rise .5s var(--ease) both;}
  .page-head h1{animation-delay:.06s;}
  .page-head .lead{animation-delay:.12s;}
  .page-head .head-note{animation-delay:.18s;}
}

/* ---------- anchor pills ---------- */
.anchor-section{padding:0 0 8px;}
.anchor-row{display:flex;flex-wrap:wrap;gap:8px;}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line-strong);background:var(--white);
  font-size:14px;color:var(--ink-3);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.pill:hover{border-color:var(--orange);color:var(--orange-dark);background:var(--orange-soft);}

/* ---------- faq groups ---------- */
.faq-group{padding:64px 0 8px;scroll-margin-top:150px;}
.faq-group:last-of-type{padding-bottom:24px;}
.group-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:8px;}
.section-title{position:relative;padding-left:16px;font-size:34px;line-height:1.25;}
.section-title::before{
  content:"";position:absolute;left:0;top:.16em;width:4px;height:.92em;
  background:var(--orange);border-radius:2px;
}
.group-desc{font-size:14px;color:var(--muted);max-width:460px;line-height:1.8;}
.faq-list{margin-top:24px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:68px;padding:16px 0;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--orange-dark);}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto;transition:transform .28s var(--ease);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  transition:background var(--dur) var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-q:hover .faq-icon::before,.faq-q:hover .faq-icon::after{background:var(--orange-dark);}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-q[aria-expanded="true"] .faq-icon::before,.faq-q[aria-expanded="true"] .faq-icon::after{background:var(--orange);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a-inner{padding:0 40px 20px 0;font-size:16px;line-height:1.85;color:var(--ink-3);max-width:840px;}
.faq-more{margin-top:20px;font-size:14px;color:var(--muted);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}

/* ---------- self check ---------- */
.self-check{
  margin-top:72px;padding:72px 0;background:var(--paper-2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  scroll-margin-top:150px;
}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.check-copy h2{font-size:34px;margin:16px 0 18px;}
.check-copy p{font-size:16px;line-height:1.85;color:var(--ink-3);max-width:480px;}
.num-list{margin:28px 0 24px;display:flex;flex-direction:column;gap:18px;}
.num-list li{display:flex;gap:16px;align-items:flex-start;}
.num-list .num{
  flex:0 0 auto;font-family:"Inter",ui-monospace,monospace;
  font-variant-numeric:tabular-nums;font-size:15px;font-weight:800;color:var(--orange);
  width:28px;height:28px;border-radius:50%;border:1px solid var(--orange);
  display:inline-flex;align-items:center;justify-content:center;line-height:1;margin-top:3px;
}
.num-list .txt strong{display:block;font-size:17px;font-weight:600;margin-bottom:2px;}
.num-list .txt span{font-size:15px;color:var(--ink-3);line-height:1.75;}
.check-figure{margin:0;}
.check-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  border:1px solid var(--line);background:var(--paper);
}
.check-figure figcaption{font-size:13px;color:var(--muted);margin-top:12px;text-align:center;}

/* ---------- cta ---------- */
.cta-wrap{padding:88px 0 96px;scroll-margin-top:150px;}
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);border-radius:20px;
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-70px;width:320px;height:320px;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:22px 22px;opacity:.08;pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:560px;}
.cta-copy h2{font-size:34px;color:#fff;margin-bottom:14px;}
.cta-copy p{font-size:16px;line-height:1.85;color:rgba(255,255,255,.72);}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}
.cta-meta{
  position:relative;z-index:1;margin-top:20px;font-size:13px;color:rgba(255,255,255,.55);
  display:flex;flex-wrap:wrap;gap:8px 24px;
}
.cta-meta a{color:rgba(255,255,255,.8);border-bottom:1px solid rgba(255,255,255,.35);}
.cta-meta a:hover{color:#fff;border-color:var(--orange);}

/* ---------- footer ---------- */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:48px;padding-bottom:48px;}
.footer-brand .logo-text strong{font-size:20px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-3);margin-top:16px;max-width:360px;}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.02em;margin-bottom:16px;color:var(--ink);}
.footer-links{display:flex;flex-direction:column;gap:2px;}
.footer-links a{
  display:inline-flex;align-items:center;min-height:36px;font-size:14px;color:var(--ink-3);
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-links a:hover{color:var(--orange-dark);transform:translateX(2px);}
.footer-info li{
  display:flex;gap:12px;font-size:14px;color:var(--ink-3);
  padding:9px 0;border-bottom:1px solid var(--line);align-items:baseline;
}
.footer-info li span{color:var(--muted);flex:0 0 40px;font-size:13px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);
}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  padding:20px 24px 32px;display:none;flex-direction:column;gap:20px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:44px;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line-strong);
  background:var(--white);font-size:22px;line-height:1;cursor:pointer;color:var(--ink);
}
.drawer-search input{
  width:100%;height:44px;border-radius:10px;border:1px solid var(--line-strong);
  background:var(--white);padding:0 16px;font-size:14px;
}
.drawer-search input:focus{border-color:var(--orange);box-shadow:0 0 0 2px var(--orange);outline:none;}
.drawer-links{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-links a{
  display:flex;align-items:center;min-height:52px;font-size:16px;font-weight:600;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer-links a.is-active{color:var(--orange-dark);}
.drawer-cta{width:100%;}
.drawer-foot{font-size:13px;color:var(--muted);line-height:1.8;}
body.no-scroll{overflow:hidden;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .page-head h1{font-size:40px;}
  .container{padding:0 20px;}
  .brand-inner{gap:16px;}
  .search-box input{width:190px;}
  .search-box input:focus{width:220px;}
  .check-grid{grid-template-columns:1fr;gap:36px;}
  .check-figure{order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-brand{grid-column:1 / -1;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:28px;padding:44px;}
  .channel-bar::before,.channel-bar::after{
    content:"";position:absolute;top:0;bottom:0;width:32px;pointer-events:none;z-index:1;
  }
  .channel-bar::before{left:0;background:linear-gradient(90deg,rgba(250,248,244,.96),rgba(250,248,244,0));}
  .channel-bar::after{right:0;background:linear-gradient(270deg,rgba(250,248,244,.96),rgba(250,248,244,0));}
}
@media (max-width:767px){
  html{scroll-padding-top:130px;}
  body{font-size:16px;}
  .search-box{display:none;}
  .menu-toggle{display:inline-flex;}
  .brand-actions .btn-sm{height:36px;padding:0 14px;font-size:13px;}
  .brand-inner{height:60px;}
  .logo-text strong{font-size:18px;}
  .logo-text i{font-size:12px;margin-left:8px;padding-left:8px;}
  .channel-inner{height:48px;}
  .tab{font-size:13px;height:32px;padding:0 13px;}
  .page-head{padding:32px 0 28px;}
  .page-head h1{font-size:32px;margin:14px 0 14px;}
  .page-head .lead{font-size:15px;}
  .breadcrumb{margin-bottom:16px;}
  .faq-group{padding:48px 0 4px;}
  .section-title{font-size:24px;}
  .group-desc{font-size:13px;}
  .faq-q{font-size:16px;min-height:64px;padding:14px 0;}
  .faq-a-inner{font-size:15px;padding-right:8px;}
  .self-check{padding:52px 0;margin-top:52px;}
  .check-copy h2{font-size:24px;}
  .cta-wrap{padding:56px 0 64px;}
  .cta-band{padding:32px 24px;}
  .cta-copy h2{font-size:24px;}
  .cta-copy p{font-size:15px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .page-head h1{font-size:28px;}
  .pill{height:34px;font-size:13px;padding:0 13px;}
  .anchor-row{gap:6px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}