/* roulang page: index */
:root{
  --brand:#E8452C;
  --brand-dark:#C2351F;
  --brand-soft:#FFF0EC;
  --lime:#CBEF4A;
  --lime-dark:#9CC22E;
  --ink:#15181E;
  --ink-2:#2A2F37;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --line:#E7E2D9;
  --t1:#1B1E24;
  --t2:#59606A;
  --t3:#8B9199;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(21,24,30,.04),0 6px 18px rgba(21,24,30,.06);
  --sh-2:0 12px 32px rgba(232,69,44,.18);
  --sh-3:0 2px 0 #15181E;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background:var(--bg);
  padding-bottom:72px;
}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;color:var(--t1);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;object-fit:cover;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:2px;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
strong,b{font-weight:800;}
.container-rt{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn-brand,
.btn-outline-brand,
.btn-ghost,
.btn-outline-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;font-size:15px;line-height:1.2;
  padding:12px 28px;border:1.5px solid transparent;cursor:pointer;
  transition:background .25s ease,color .25s ease,box-shadow .25s ease,transform .2s ease,border-color .25s ease;
  text-decoration:none;white-space:nowrap;
}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-dark);color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px);text-decoration:none;}
.btn-brand:active{transform:translateY(0);}
.btn-outline-brand{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline-brand:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark);text-decoration:none;}
.btn-ghost{background:var(--ink);color:#fff;}
.btn-ghost:hover{background:var(--ink-2);color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px);text-decoration:none;}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;text-decoration:none;}
.btn-brand:focus-visible,
.btn-outline-brand:focus-visible,
.btn-ghost:focus-visible,
.btn-outline-light:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-brand.is-loading{opacity:.7;pointer-events:none;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.97);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:800;
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
  flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:17px;font-weight:800;color:var(--t1);letter-spacing:-.01em;}
.logo-sub{font-size:11px;font-weight:700;color:var(--brand);letter-spacing:.14em;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:14px;flex:1;}
.nav-link{
  display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--t2);
  position:relative;text-decoration:none;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);text-decoration:none;}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--t1);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}
.nav-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

/* Offcanvas 抽屉 */
.rt-drawer{background:#fff;width:300px;}
.rt-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.rt-drawer .offcanvas-body{padding:18px 20px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:var(--r-md);font-weight:700;color:var(--t1);
  margin-bottom:8px;background:var(--bg);text-decoration:none;
}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none;}
.drawer-link.active{background:var(--brand);color:#fff;}
.drawer-link.active:hover{color:#fff;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:76px 0 92px;isolation:isolate;}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(102deg,rgba(21,24,30,.95) 0%,rgba(21,24,30,.86) 46%,rgba(21,24,30,.58) 100%);
}
.hero-inner{display:grid;grid-template-columns:1.4fr .6fr;gap:44px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(203,239,74,.16);color:var(--lime);
  border:1px solid rgba(203,239,74,.4);
  border-radius:var(--r-pill);padding:7px 16px;
  font-size:13px;font-weight:700;letter-spacing:.02em;margin-bottom:20px;
}
.hero h1{
  color:#fff;font-size:44px;line-height:1.22;margin-bottom:18px;letter-spacing:-.015em;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{color:#F2F0EC;font-size:19px;font-weight:600;margin-bottom:14px;}
.hero-desc{color:rgba(255,255,255,.74);font-size:15px;max-width:620px;margin-bottom:30px;line-height:1.85;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-aside{display:flex;justify-content:flex-end;}
.countdown-box{
  width:100%;max-width:290px;
  background:rgba(21,24,30,.72);
  border:1px solid rgba(203,239,74,.35);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:0 18px 44px rgba(0,0,0,.35);
}
.cd-title{display:block;color:rgba(255,255,255,.72);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:14px;}
.cd-clock{display:flex;align-items:center;gap:6px;margin-bottom:18px;}
.cd-clock span{
  flex:1;text-align:center;
  background:var(--lime);color:var(--ink);
  border-radius:var(--r-sm);padding:8px 0;
  font-size:26px;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.cd-clock i{color:var(--lime);font-style:normal;font-weight:800;font-size:20px;}
.cd-link{
  display:block;text-align:center;color:var(--lime);font-weight:700;font-size:14px;
  border-top:1px solid rgba(255,255,255,.14);padding-top:14px;
}
.cd-link:hover{color:#fff;text-decoration:none;}

/* ============ 信任数据条 ============ */
.trust-bar{margin-top:-46px;position:relative;z-index:5;}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;
}
.trust-item{padding:24px 20px;text-align:center;border-right:1px solid var(--line);}
.trust-item:last-child{border-right:none;}
.trust-item strong{
  display:block;font-size:28px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:4px;
}
.trust-item span{font-size:13px;color:var(--t2);font-weight:600;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.alt{background:#fff;}
.section.dark{background:var(--ink);}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-label{
  display:inline-block;background:var(--brand-soft);color:var(--brand);
  border-radius:var(--r-pill);padding:5px 14px;
  font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:14px;
}
.sec-head h2{font-size:30px;margin-bottom:12px;}
.sec-head p{color:var(--t2);font-size:15px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head-row .sec-head{margin-bottom:0;}
.more-link{font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;}

/* ============ 优惠阶梯 ============ */
.tier-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.tier-list::before{
  content:"";position:absolute;top:47px;left:5%;right:5%;height:2px;
  background:repeating-linear-gradient(90deg,var(--lime-dark) 0 10px,transparent 10px 18px);
  opacity:.7;
}
.tier-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:66px 24px 26px;box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(232,69,44,.35);}
.tier-dot{
  position:absolute;top:38px;left:26px;width:20px;height:20px;border-radius:50%;
  background:var(--lime);border:4px solid #fff;box-shadow:0 0 0 2px var(--lime-dark);
}
.tier-no{
  position:absolute;top:16px;right:22px;
  font-size:40px;font-weight:800;color:var(--brand-soft);
  font-variant-numeric:tabular-nums;line-height:1;user-select:none;
}
.tier-tag{
  display:inline-block;background:var(--brand);color:#fff;
  border-radius:var(--r-pill);padding:4px 12px;font-size:12px;font-weight:800;margin-bottom:12px;
}
.tier-card h3{font-size:19px;margin-bottom:10px;}
.tier-card p{color:var(--t2);font-size:14px;line-height:1.8;}
.tier-card ul{margin-top:16px;border-top:1px dashed var(--line);padding-top:16px;}
.tier-card li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:var(--t2);margin-bottom:9px;}
.tier-card li i{color:var(--lime-dark);margin-top:5px;font-size:12px;}

/* ============ 套餐对比 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;margin-bottom:40px;}
.plan-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.plan-card.featured{border:2px solid var(--lime);transform:translateY(-8px);box-shadow:0 16px 40px rgba(21,24,30,.12);}
.plan-card.featured:hover{transform:translateY(-11px);}
.plan-badge{
  position:absolute;top:-14px;left:24px;
  background:var(--lime);color:var(--ink);
  border-radius:var(--r-pill);padding:5px 14px;font-size:12px;font-weight:800;
}
.plan-head{padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:18px;}
.plan-head h3{font-size:20px;margin-bottom:6px;}
.plan-head p{font-size:13px;color:var(--t3);}
.plan-note{
  margin-top:10px;font-size:13px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.plan-list{flex:1;margin-bottom:22px;}
.plan-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--t2);margin-bottom:12px;}
.plan-list li i{margin-top:5px;font-size:12px;}
.plan-list li.on i{color:var(--lime-dark);}
.plan-list li.off{color:var(--t3);}
.plan-list li.off i{color:var(--t3);}

.table-wrap{position:relative;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;}
.table-hint{display:none;font-size:13px;color:var(--t3);padding:12px 16px 0;}
.compare-table{width:100%;border-collapse:collapse;min-width:640px;}
.compare-table th,.compare-table td{
  padding:15px 18px;text-align:center;font-size:14px;
  border-bottom:1px solid var(--line);
}
.compare-table th:first-child,.compare-table td:first-child{text-align:left;font-weight:700;color:var(--t1);}
.compare-table thead th{background:var(--bg);font-weight:800;font-size:14px;color:var(--t1);}
.compare-table thead th.hl{background:var(--brand-soft);color:var(--brand);}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table tbody tr:hover{background:#FCFAF7;}
.compare-table td.hl{background:#FFFBF7;}
.tick{color:var(--lime-dark);font-weight:800;}
.dash{color:var(--t3);}

/* ============ 限时入口 ============ */
.limited{background:var(--ink);padding:0;position:relative;overflow:hidden;}
.limited::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  background:repeating-linear-gradient(45deg,rgba(203,239,74,.10) 0 12px,transparent 12px 26px);
  border-radius:50%;
}
.limited-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px 0;flex-wrap:wrap;
}
.limited-text h3{color:#fff;font-size:23px;margin-bottom:8px;}
.limited-text p{color:rgba(255,255,255,.66);font-size:14px;}
.limited-clock{display:flex;align-items:center;gap:8px;}
.limited-clock .cd-lab{color:rgba(255,255,255,.6);font-size:13px;font-weight:700;margin-right:6px;}
.limited-clock span.val{
  background:var(--lime);color:var(--ink);border-radius:var(--r-sm);
  padding:7px 12px;font-size:22px;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.limited-clock i{color:var(--lime);font-style:normal;font-weight:800;}

/* ============ 最新信息（CMS 列表） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,69,44,.3);}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.news-thumb img{width:100%;height:100%;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb::after{
  content:"";position:absolute;inset:auto 0 0 0;height:52%;
  background:linear-gradient(180deg,transparent,rgba(21,24,30,.55));
}
.news-cat{
  position:absolute;left:14px;bottom:14px;z-index:2;
  background:var(--brand);color:#fff;border-radius:var(--r-pill);
  padding:4px 12px;font-size:12px;font-weight:800;
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a{color:var(--t1);}
.news-body h3 a:hover{color:var(--brand);text-decoration:none;}
.news-excerpt{
  color:var(--t2);font-size:14px;line-height:1.75;margin-bottom:16px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:14px;
  font-size:13px;color:var(--t3);
}
.news-foot .go{color:var(--brand);font-weight:700;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:60px 24px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state i{font-size:32px;color:var(--brand);margin-bottom:14px;display:block;}
.empty-state p{color:var(--t2);font-size:15px;margin-bottom:18px;}

/* ============ 咨询表单 ============ */
.consult-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start;}
.consult-points li{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px;}
.consult-points .pt-ico{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:17px;
}
.consult-points h4{font-size:16px;margin-bottom:5px;}
.consult-points p{font-size:14px;color:var(--t2);}
.form-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:30px 28px;
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-tip{font-size:13px;color:var(--t3);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--t1);}
.field label .req{color:var(--brand);margin-left:3px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;border:1.5px solid var(--line);background:#FCFBF9;
  border-radius:var(--r-md);padding:0 15px;min-height:48px;line-height:46px;
  font-size:15px;color:var(--t1);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:120px;line-height:1.7;padding:13px 15px;resize:vertical;}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2359606A'%3E%3Cpath d='M8 11 3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:14px;padding-right:40px;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px var(--brand-soft);
}
.field input::placeholder,.field textarea::placeholder{color:var(--t3);}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:20px;}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand);flex:0 0 auto;}
.check-row label{font-size:13px;color:var(--t2);font-weight:500;line-height:1.7;margin:0;}
.check-row label a{font-weight:700;}
.form-ok{
  display:none;margin-top:16px;background:var(--brand-soft);color:var(--brand-dark);
  border-radius:var(--r-md);padding:12px 16px;font-size:14px;font-weight:700;
}
.form-ok.show{display:block;}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(232,69,44,.3);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:none;cursor:pointer;text-align:left;
  padding:0 22px;min-height:56px;font-size:16px;font-weight:700;color:var(--t1);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q .fx{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:13px;
  transition:transform .3s ease,background .3s ease;
}
.faq-item.open{border-color:var(--brand);box-shadow:var(--sh-1);}
.faq-item.open .faq-q .fx{transform:rotate(90deg);background:var(--brand);color:#fff;}
.faq-a{display:none;padding:0 22px 22px 22px;border-left:3px solid var(--brand);margin-left:22px;padding-left:18px;}
.faq-item.open .faq-a{display:block;}
.faq-a p{font-size:14px;color:var(--t2);line-height:1.85;}

/* ============ CTA 窄条 ============ */
.cta-strip{
  background:var(--ink-2);border-radius:var(--r-lg);padding:34px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  border:1px solid rgba(203,239,74,.25);
}
.cta-strip h3{color:#fff;font-size:21px;margin-bottom:6px;}
.cta-strip p{color:rgba(255,255,255,.68);font-size:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:var(--lime);}
.footer-brand p{color:#A9AEB8;font-size:14px;margin-top:16px;line-height:1.85;max-width:320px;}
.f-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em;}
.f-col ul li{margin-bottom:11px;}
.f-col ul a{color:#A9AEB8;font-size:14px;}
.f-col ul a:hover{color:var(--lime);text-decoration:none;}
.f-col ul span{color:#A9AEB8;font-size:14px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:44px;padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-bottom p{color:#8B9199;font-size:13px;}

/* ============ 移动端底部 Tab ============ */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:none;background:rgba(255,255,255,.98);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(21,24,30,.06);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab .tab-inner{display:grid;grid-template-columns:repeat(5,1fr);}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:60px;font-size:11px;font-weight:700;color:var(--t3);text-decoration:none;
}
.tab-item i{font-size:20px;}
.tab-item:hover{color:var(--brand);text-decoration:none;}
.tab-item.active{color:var(--brand);}
.tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:34px;height:2px;background:var(--brand);border-radius:2px;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container-rt{padding:0 22px;}
  .hero h1{font-size:38px;}
}
@media (max-width:991px){
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .nav-right .btn-brand{display:none;}
  .section{padding:64px 0;}
  .hero{padding:60px 0 80px;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-aside{justify-content:flex-start;}
  .countdown-box{max-width:100%;}
  .plan-card.featured{transform:none;}
  .plan-card.featured:hover{transform:translateY(-4px);}
  .consult-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .table-hint{display:block;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .mobile-tab{display:block;}
  .section{padding:52px 0;}
  .trust-bar{margin-top:-30px;}
  .trust-grid{grid-template-columns:1fr 1fr;}
  .trust-item{border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
  .trust-item:nth-child(2n){border-right:none;}
  .trust-item:nth-last-child(-n+2){border-bottom:none;}
  .tier-list{grid-template-columns:1fr;gap:18px;}
  .tier-list::before{
    top:24px;bottom:24px;left:35px;right:auto;width:2px;height:auto;
    background:repeating-linear-gradient(180deg,var(--lime-dark) 0 10px,transparent 10px 18px);
  }
  .tier-card{padding:26px 22px 22px 66px;}
  .tier-dot{top:28px;left:26px;}
  .tier-no{font-size:32px;top:14px;right:18px;}
  .plan-grid{grid-template-columns:1fr;gap:20px;}
  .news-grid{grid-template-columns:1fr;gap:20px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:17px;}
  .sec-head h2{font-size:23px;}
  .limited-inner{padding:32px 0;gap:20px;}
  .limited-clock span.val{font-size:19px;padding:6px 10px;}
  .cta-strip{padding:26px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .form-card{padding:24px 20px;}
  .faq-a{margin-left:14px;padding-left:14px;}
}
@media (max-width:575px){
  .container-rt{padding:0 16px;}
  .nav-inner{height:64px;}
  .logo-mark{width:36px;height:36px;border-radius:10px;font-size:17px;}
  .logo-main{font-size:16px;}
  .hero{padding:48px 0 68px;}
  .hero h1{font-size:26px;}
  .hero-cta{gap:10px;}
  .hero-cta .btn-brand,.hero-cta .btn-outline-light{flex:1 1 100%;}
  .trust-item strong{font-size:23px;}
  .tier-card{padding-left:24px;padding-top:58px;}
  .tier-list::before{display:none;}
  .tier-dot{top:24px;left:24px;}
  .sec-head h2{font-size:22px;}
}

/* roulang page: article */
:root{
  --c-main:#E8452C;
  --c-main-dark:#C2351F;
  --c-main-soft:#FFF0EC;
  --c-lime:#CBEF4A;
  --c-lime-dark:#9CC22E;
  --c-anchor:#15181E;
  --c-ink:#2A2F37;
  --c-bg:#F7F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E7E2D9;
  --t-1:#1B1E24;
  --t-2:#59606A;
  --t-3:#8B9199;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(21,24,30,.04),0 6px 18px rgba(21,24,30,.06);
  --sh-2:0 12px 32px rgba(232,69,44,.18);
  --sh-3:0 2px 0 #15181E;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--t-1);
  background:var(--c-bg);
  padding-bottom:72px;
}
img{max-width:100%;display:block}
a{color:var(--c-main);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-main-dark);text-decoration:underline;text-underline-offset:2px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.25;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container-rt{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--c-line);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-main),var(--c-main-dark));
  color:#fff;font-weight:800;font-size:19px;border-radius:12px;
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
  letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-main{font-size:17px;font-weight:800;color:var(--t-1)}
.logo-sub{font-size:11px;font-weight:700;color:var(--c-main);letter-spacing:.06em}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--t-2);text-decoration:none;transition:all .2s ease;
}
.nav-link:hover{color:var(--c-main);background:var(--c-main-soft);text-decoration:none}
.nav-link.active{color:var(--c-main);background:var(--c-main-soft)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:22px;height:2px;border-radius:2px;background:var(--c-main);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--t-2);cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{color:var(--c-main);border-color:var(--c-main);background:var(--c-main-soft)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border:0;border-radius:var(--r-pill);
  background:var(--c-main);color:#fff;font-size:15px;font-weight:700;font-family:var(--font);
  cursor:pointer;text-decoration:none;transition:all .22s ease;white-space:nowrap;
}
.btn-main:hover{background:var(--c-main-dark);color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px);text-decoration:none}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 26px;border-radius:var(--r-pill);border:1.5px solid var(--c-main);
  background:#fff;color:var(--c-main);font-size:15px;font-weight:700;text-decoration:none;
  cursor:pointer;transition:all .22s ease;white-space:nowrap;
}
.btn-ghost:hover{background:var(--c-main-soft);color:var(--c-main-dark);text-decoration:none;transform:translateY(-1px)}
.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--r-pill);border:0;background:var(--c-anchor);
  color:#fff;font-size:15px;font-weight:700;text-decoration:none;cursor:pointer;transition:all .22s ease;
}
.btn-dark:hover{background:#000;color:#fff;text-decoration:none;transform:translateY(-1px)}
.menu-toggle{display:none}
@media (max-width:991px){
  .nav-menu{display:none}
  .menu-toggle{display:grid}
  .header-inner{gap:12px;height:64px}
  .header-actions .btn-main{display:none}
}
.offcanvas{background:#fff}
.offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 20px}
.offcanvas-body{padding:8px 20px 24px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;border-bottom:1px solid var(--c-line);
  font-size:16px;font-weight:600;color:var(--t-1);text-decoration:none;
}
.drawer-link:hover{color:var(--c-main);text-decoration:none}
.drawer-link.active{color:var(--c-main)}
.drawer-link i{color:var(--t-3);font-size:13px}
.drawer-cta{margin-top:22px;width:100%}

/* ============ Breadcrumb ============ */
.crumb-bar{padding:18px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-3)}
.crumb a{color:var(--t-3)}
.crumb a:hover{color:var(--c-main)}
.crumb .sep{color:var(--c-line)}
.crumb .now{color:var(--t-2);font-weight:600}

/* ============ Article ============ */
.article-wrap{padding:26px 0 80px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.article-main{min-width:0}
.article-head{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px 32px;box-shadow:var(--sh-1);
}
.article-cat{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-anchor);color:var(--c-lime);font-size:12.5px;font-weight:800;letter-spacing:.02em;
}
.article-h1{font-size:40px;margin:16px 0 0;line-height:1.25}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13.5px;color:var(--t-3);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row i{color:var(--c-main);font-size:12px}
.article-body{
  max-width:760px;margin:28px auto 0;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);padding:36px 40px;
  box-shadow:var(--sh-1);font-size:16.5px;line-height:1.9;color:#242930;
}
.article-body h2{
  font-size:29px;margin:40px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--c-main);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:19.5px;margin:30px 0 12px;color:var(--c-main-dark)}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--c-main);
}
.article-body ol{counter-reset:c;padding-left:0}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:c}
.article-body ol li::before{
  content:counter(c);position:absolute;left:0;top:.16em;width:20px;height:20px;border-radius:50%;
  background:var(--c-main-soft);color:var(--c-main-dark);font-size:12px;font-weight:800;
  display:grid;place-items:center;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:#FBF7F0;border-left:4px solid var(--c-main);
  border-radius:0 var(--r-md) var(--r-md) 0;color:#3C434D;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:22px 0 8px;width:100%;object-fit:cover}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--t-3);margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left}
.article-body th{background:#FBF7F0;font-weight:700;color:var(--t-1)}
.article-body a{font-weight:600}
.article-foot{
  max-width:760px;margin:28px auto 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  justify-content:space-between;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:20px 24px;box-shadow:var(--sh-1);
}
.tag-group{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-block;padding:5px 13px;border-radius:var(--r-pill);
  background:var(--c-main-soft);color:var(--c-main-dark);font-size:12.5px;font-weight:700;
}
.tag.lime{background:rgba(203,239,74,.28);color:#5C7A12}
.empty-box{
  max-width:760px;margin:34px auto 0;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:56px 32px;text-align:center;box-shadow:var(--sh-1);
}
.empty-box .empty-ico{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;
  background:var(--c-main-soft);color:var(--c-main);font-size:26px;
}
.empty-box h2{font-size:22px;margin-bottom:10px}
.empty-box p{color:var(--t-2);font-size:15px;margin-bottom:22px}

/* Sidebar */
.side-col{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:15px;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3 i{color:var(--c-main)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto}
.toc-list a{
  display:block;padding:8px 10px;border-radius:var(--r-sm);font-size:14px;color:var(--t-2);
  border-left:2px solid transparent;
}
.toc-list a:hover{background:var(--c-main-soft);color:var(--c-main-dark);text-decoration:none}
.toc-list a.on{color:var(--c-main);border-left-color:var(--c-main);background:var(--c-main-soft);font-weight:700}
.mini-list{display:flex;flex-direction:column;gap:14px}
.mini-item{display:flex;gap:12px;align-items:flex-start}
.mini-thumb{
  width:64px;height:64px;flex:0 0 64px;border-radius:var(--r-sm);overflow:hidden;background:var(--c-main-soft);
}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-txt{min-width:0}
.mini-txt a{
  display:block;font-size:14px;font-weight:700;color:var(--t-1);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-txt a:hover{color:var(--c-main)}
.mini-txt time{display:block;font-size:12px;color:var(--t-3);margin-top:5px}
.side-cta{
  background:var(--c-anchor);border-radius:var(--r-lg);padding:24px;color:#fff;
}
.side-cta h3{color:#fff;font-size:17px;margin-bottom:8px}
.side-cta p{font-size:13.5px;color:#A9AEB8;line-height:1.7;margin-bottom:16px}
.side-cta .btn-main{width:100%}

/* Related */
.section{padding:64px 0}
.section-head{margin-bottom:28px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);
  background:var(--c-main-soft);color:var(--c-main-dark);font-size:12.5px;font-weight:800;margin-bottom:12px;
}
.section-head h2{font-size:30px}
.section-head p{color:var(--t-2);font-size:15px;margin-top:10px;max-width:680px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-main-soft)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-badge{
  position:absolute;left:12px;top:12px;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-anchor);color:var(--c-lime);font-size:12px;font-weight:800;
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.post-body h3{font-size:18px;line-height:1.45}
.post-body h3 a{color:var(--t-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a:hover{color:var(--c-main)}
.post-body p{
  font-size:14px;color:var(--t-2);margin-top:10px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);display:flex;justify-content:space-between;font-size:12.5px;color:var(--t-3)}

/* ============ Form ============ */
.consult{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.consult-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.sell-list{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.sell-item{display:flex;gap:14px;align-items:flex-start}
.sell-ico{
  width:42px;height:42px;flex:0 0 42px;border-radius:var(--r-md);display:grid;place-items:center;
  background:var(--c-main-soft);color:var(--c-main);font-size:17px;
}
.sell-item h4{font-size:16px;margin-bottom:4px}
.sell-item p{font-size:14px;color:var(--t-2);line-height:1.7}
.form-card{
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.form-row{margin-bottom:16px}
.form-label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px;color:var(--t-1)}
.form-label .req{color:var(--c-main)}
.form-control-rt{
  width:100%;height:48px;padding:0 14px;font-family:var(--font);font-size:15px;color:var(--t-1);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);transition:all .2s ease;
}
textarea.form-control-rt{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:112px}
select.form-control-rt{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2359606A'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:14px}
.form-control-rt:focus{border-color:var(--c-main);background:#fff;box-shadow:0 0 0 3px var(--c-main-soft);outline:0}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--t-2);line-height:1.6}
.check-row input{width:18px;height:18px;margin-top:2px;accent-color:var(--c-main);flex:0 0 18px}
.form-btn{width:100%;margin-top:20px;padding:14px 28px}
.form-tip{font-size:12.5px;color:var(--t-3);margin-top:12px;text-align:center}
.btn-loading{opacity:.7;pointer-events:none}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--c-main);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 22px;background:transparent;border:0;text-align:left;
  font-family:var(--font);font-size:16px;font-weight:700;color:var(--t-1);cursor:pointer;
}
.faq-q:hover{color:var(--c-main)}
.faq-q .faq-ico{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;display:grid;place-items:center;
  background:var(--c-main-soft);color:var(--c-main);font-size:12px;transition:transform .3s ease;
}
.faq-item.open .faq-ico{transform:rotate(90deg);background:var(--c-main);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 22px 20px 22px;font-size:15px;color:var(--t-2);line-height:1.85;border-left:3px solid transparent}
.faq-item.open .faq-a-inner{border-left-color:var(--c-main);margin-left:22px;padding-left:16px}

/* ============ Footer ============ */
.site-footer{background:var(--c-anchor);color:#fff;padding:60px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.2fr;gap:32px}
.f-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.f-col ul{display:flex;flex-direction:column;gap:10px}
.f-col ul a,.f-col ul span{font-size:14px;color:#A9AEB8}
.f-col ul a:hover{color:var(--c-lime);text-decoration:none}
.footer-brand p{font-size:14px;color:#A9AEB8;line-height:1.8;margin-top:16px;max-width:330px}
.site-footer .logo-main{color:#fff}
.site-footer .logo-sub{color:var(--c-lime)}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8B9199;
}

/* ============ Mobile Tab ============ */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:1050;display:none;
  background:#fff;border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -4px 18px rgba(21,24,30,.06);
}
.mobile-tab ul{display:grid;grid-template-columns:repeat(5,1fr)}
.mobile-tab a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:60px;font-size:11px;color:var(--t-3);text-decoration:none;font-weight:600;
}
.mobile-tab a i{font-size:19px}
.mobile-tab a:hover{text-decoration:none;color:var(--t-2)}
.mobile-tab a.on{color:var(--c-main)}
.mobile-tab a.on::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;background:var(--c-main);border-radius:2px}
@media (max-width:991px){
  .mobile-tab{display:block}
}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .container-rt{max-width:1000px}
}
@media (max-width:991px){
  body{font-size:15px;padding-bottom:72px}
  .article-grid{grid-template-columns:1fr;gap:24px}
  .side-col{position:static;display:none}
  .article-h1{font-size:30px}
  .article-head{padding:22px}
  .article-body{padding:24px 20px;font-size:16px}
  .article-body h2{font-size:23px;margin-top:32px}
  .article-body h3{font-size:18px}
  .section{padding:52px 0}
  .section-head h2{font-size:24px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .consult-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575px){
  .container-rt{padding:0 16px}
  .article-h1{font-size:26px}
  .article-head{padding:20px 18px}
  .article-body{padding:20px 16px}
  .section{padding:48px 0}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .crumb{font-size:12.5px}
  .article-foot{padding:18px}
}

/* roulang page: category2 */
:root{
  --brand:#E8452C;
  --brand-dark:#C2351F;
  --brand-soft:#FFF0EC;
  --lime:#CBEF4A;
  --lime-dark:#9CC22E;
  --ink:#15181E;
  --ink-2:#2A2F37;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --line:#E7E2D9;
  --t1:#1B1E24;
  --t2:#59606A;
  --t3:#8B9199;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(21,24,30,.04),0 6px 18px rgba(21,24,30,.06);
  --sh-2:0 12px 32px rgba(232,69,44,.18);
  --sh-3:0 2px 0 #15181E;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --sp-section:88px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--t1);
  font-size:16px;
  line-height:1.8;
  padding-bottom:72px;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease;}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:2px;}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.25;color:var(--t1);margin:0;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.container-rt{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(247,244,239,.96);
  border-bottom:1px solid transparent;
  backdrop-filter:saturate(160%) blur(8px);
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
  background:rgba(255,255,255,.97);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:74px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex-shrink:0;
}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--brand);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;
  font-size:18px;
  box-shadow:var(--sh-2);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-main{font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.02em;}
.logo-sub{font-size:11px;color:var(--t3);letter-spacing:.16em;}

.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  color:var(--t2);
  text-decoration:none;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--t1);background:rgba(232,69,44,.07);text-decoration:none;}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}

.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--t2);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:.2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);}
.menu-toggle{display:none;}

.btn-rt{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  line-height:1.2;
}
.btn-rt:hover{text-decoration:none;}
.btn-primary-rt{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary-rt:hover{background:var(--brand-dark);color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px);}
.btn-primary-rt:active{transform:translateY(0);}
.btn-outline-rt{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline-rt:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost-rt{background:var(--ink);color:#fff;}
.btn-ghost-rt:hover{background:var(--ink-2);color:#fff;transform:translateY(-1px);}
.btn-rt[disabled],.btn-rt.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}
.btn-sm-rt{padding:10px 20px;font-size:14px;}

/* ---------- Breadcrumb ---------- */
.crumb-bar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  padding:14px 0;
  font-size:13px;
  color:var(--t3);
  flex-wrap:wrap;
}
.crumb a{color:var(--t2);text-decoration:none;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9C3B8;}
.crumb .now{color:var(--t1);font-weight:600;}

/* ---------- Page head ---------- */
.page-head{
  background:linear-gradient(120deg,var(--brand) 0%,#F1622F 100%);
  color:#fff;
  position:relative;
  overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),0 100%);
  padding-bottom:18px;
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.10) 0 2px,transparent 2px 16px);
  opacity:.55;
  pointer-events:none;
}
.page-head-inner{
  position:relative;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  padding:52px 0 60px;
  flex-wrap:wrap;
}
.page-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--lime);
  color:var(--ink);
  font-size:12px;
  font-weight:800;
  padding:5px 14px;
  border-radius:var(--r-pill);
  letter-spacing:.04em;
  margin-bottom:16px;
}
.page-head h1{
  color:#fff;
  font-size:42px;
  max-width:640px;
}
.page-head .lead{
  color:rgba(255,255,255,.9);
  font-size:16px;
  margin-top:14px;
  max-width:560px;
}
.head-stats{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.head-stat{
  background:rgba(21,24,30,.36);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-md);
  padding:14px 20px;
  min-width:112px;
  backdrop-filter:blur(4px);
}
.head-stat strong{
  display:block;
  font-size:26px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--lime);
  line-height:1.15;
}
.head-stat span{font-size:12px;color:rgba(255,255,255,.85);letter-spacing:.05em;}

/* ---------- Section base ---------- */
.section{padding:var(--sp-section) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--surface);}
.section-ink{background:var(--ink);color:#fff;}
.section-ink h2,.section-ink h3{color:#fff;}

.sec-head{margin-bottom:40px;max-width:760px;}
.sec-head .tag{
  display:inline-block;
  font-size:12px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--r-pill);
  padding:4px 13px;
  margin-bottom:14px;
}
.section-ink .sec-head .tag{background:rgba(203,239,74,.16);color:var(--lime);}
.sec-head h2{font-size:30px;}
.sec-head p{color:var(--t2);margin-top:12px;font-size:16px;}
.section-ink .sec-head p{color:#A9AEB8;}

/* ---------- Plan cards ---------- */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.plan-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.plan-card.featured{
  border:2px solid var(--lime);
  transform:translateY(-10px);
  box-shadow:0 14px 34px rgba(21,24,30,.14);
}
.plan-card.featured:hover{transform:translateY(-14px);}
.plan-badge{
  position:absolute;
  top:-13px;
  left:24px;
  background:var(--lime);
  color:var(--ink);
  font-size:12px;
  font-weight:800;
  padding:4px 14px;
  border-radius:var(--r-pill);
  letter-spacing:.04em;
}
.plan-name{font-size:20px;font-weight:800;}
.plan-desc{font-size:14px;color:var(--t2);margin-top:8px;min-height:44px;}
.plan-price{
  display:flex;
  align-items:baseline;
  gap:8px;
  margin:18px 0 6px;
  padding-bottom:18px;
  border-bottom:1px dashed var(--line);
}
.plan-price strong{font-size:30px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;}
.plan-price span{font-size:13px;color:var(--t3);}
.plan-feature{list-style:none;margin:20px 0 24px;flex:1;}
.plan-feature li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:var(--t2);
  padding:7px 0;
}
.plan-feature li i{color:var(--lime-dark);font-size:13px;margin-top:6px;flex-shrink:0;}
.plan-feature li.off{color:var(--t3);}
.plan-feature li.off i{color:#C9C3B8;}
.plan-card .btn-rt{width:100%;}
.plan-note{font-size:12px;color:var(--t3);text-align:center;margin-top:12px;}

/* ---------- Compare table ---------- */
.table-scroll{
  overflow-x:auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  -webkit-overflow-scrolling:touch;
}
.compare-table{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
  font-size:14.5px;
}
.compare-table th,.compare-table td{
  padding:16px 22px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
.compare-table thead th{
  background:var(--bg);
  font-weight:800;
  font-size:14px;
  color:var(--t1);
  position:sticky;
  top:0;
  z-index:2;
}
.compare-table thead th:first-child{color:var(--t2);}
.compare-table th.hl,.compare-table td.hl{background:rgba(203,239,74,.14);}
.compare-table th.hl{color:var(--brand);}
.compare-table td:first-child{color:var(--t2);width:260px;}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table .group-row th{
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:13px;
  letter-spacing:.08em;
  padding:11px 22px;
  border-bottom:1px solid var(--line);
}
.compare-table .yes{color:var(--lime-dark);font-weight:800;}
.compare-table .no{color:#C9C3B8;font-weight:800;}
.scroll-hint{
  display:none;
  text-align:center;
  font-size:12.5px;
  color:var(--t3);
  margin-top:12px;
}
.scroll-hint i{margin-right:6px;color:var(--brand);}

/* ---------- Steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  position:relative;
}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-num{
  position:absolute;
  top:-14px;left:22px;
  width:32px;height:32px;
  border-radius:var(--r-pill);
  background:var(--lime);
  color:var(--ink);
  font-weight:800;
  font-size:14px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 4px var(--bg);
}
.section-alt .step-num{box-shadow:0 0 0 4px var(--surface);}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--t2);margin:0;}
.step-arrow{
  position:absolute;
  right:-16px;
  top:50%;
  transform:translateY(-50%);
  color:var(--brand);
  font-size:15px;
  z-index:2;
}
.step:last-child .step-arrow{display:none;}

/* ---------- Scene cards ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.scene-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease;
  display:flex;
  flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.scene-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,rgba(232,69,44,.85),rgba(21,24,30,.9));
}
.scene-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.scene-card:hover .scene-cover img{transform:scale(1.03);}
.scene-chip{
  position:absolute;
  left:14px;top:14px;
  background:var(--lime);
  color:var(--ink);
  font-size:12px;
  font-weight:800;
  padding:4px 12px;
  border-radius:var(--r-pill);
}
.scene-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.scene-body h3{font-size:18px;margin-bottom:10px;}
.scene-body p{font-size:14.5px;color:var(--t2);flex:1;}
.scene-body .plan-link{
  margin-top:14px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  text-decoration:none;
}
.scene-body .plan-link i{margin-left:4px;font-size:12px;transition:transform .2s ease;}
.scene-body .plan-link:hover i{transform:translateX(3px);}

/* ---------- Support strip ---------- */
.support-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.support-item{
  border-left:3px solid var(--lime);
  padding:4px 0 4px 18px;
}
.support-item h3{font-size:16px;margin-bottom:6px;}
.support-item p{font-size:14px;color:var(--t2);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:#D8D1C5;}
.faq-q{margin:0;}
.faq-btn{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 22px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--t1);
  cursor:pointer;
  position:relative;
  transition:color .2s ease,background .2s ease;
}
.faq-btn::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
  transform:scaleY(0);
  transform-origin:center;
  transition:transform .25s ease;
}
.faq-btn:not(.collapsed)::before{transform:scaleY(1);}
.faq-btn:not(.collapsed){color:var(--brand);}
.faq-btn:hover{background:var(--brand-soft);}
.faq-icon{
  flex-shrink:0;
  width:22px;height:22px;
  position:relative;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:12px;height:2px;left:5px;top:10px;}
.faq-icon::after{width:2px;height:12px;left:10px;top:5px;}
.faq-btn:not(.collapsed) .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{
  padding:4px 22px 22px 22px;
  font-size:15px;
  color:var(--t2);
  line-height:1.9;
  border-top:1px dashed var(--line);
  margin-top:0;
  padding-top:18px;
}
.faq-a p{margin-bottom:10px;}

/* ---------- CTA strip ---------- */
.cta-strip{
  background:var(--ink);
  border-radius:var(--r-lg);
  padding:34px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-strip::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  background:radial-gradient(circle,rgba(203,239,74,.22),transparent 68%);
  pointer-events:none;
}
.cta-strip h2{color:#fff;font-size:24px;margin-bottom:8px;}
.cta-strip p{color:#A9AEB8;font-size:14.5px;margin:0;max-width:620px;}
.cta-strip .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- Contact shortcut ---------- */
.contact-note{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--brand-soft);
  border:1px solid rgba(232,69,44,.22);
  border-radius:var(--r-lg);
  padding:22px 26px;
  flex-wrap:wrap;
}
.contact-note .cn-icon{
  width:46px;height:46px;
  border-radius:var(--r-pill);
  background:var(--brand);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;
  flex-shrink:0;
}
.contact-note .cn-text{flex:1;min-width:220px;}
.contact-note h3{font-size:17px;margin-bottom:4px;}
.contact-note p{font-size:14px;color:var(--t2);margin:0;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:#fff;
  padding:64px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand p{
  color:#A9AEB8;
  font-size:14px;
  margin-top:16px;
  max-width:330px;
  line-height:1.85;
}
.site-footer .logo-main{color:#fff;}
.site-footer .logo-sub{color:#A9AEB8;}
.f-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.f-col ul li{margin-bottom:10px;}
.f-col ul li a,.f-col ul li span{
  color:#A9AEB8;
  font-size:14px;
  text-decoration:none;
  transition:color .2s ease;
}
.f-col ul li a:hover{color:var(--lime);text-decoration:none;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:22px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#8B9199;margin:0;}

/* ---------- Mobile bottom tab ---------- */
.mobile-tab{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  display:none;
  background:#fff;
  border-top:1px solid var(--line);
  box-shadow:0 -4px 18px rgba(21,24,30,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab ul{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  height:60px;
}
.mobile-tab a{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11px;
  color:var(--t3);
  text-decoration:none;
  position:relative;
  transition:color .2s ease;
}
.mobile-tab a i{font-size:19px;}
.mobile-tab a.active{color:var(--brand);font-weight:700;}
.mobile-tab a.active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:26px;height:2px;
  background:var(--brand);
  border-radius:0 0 2px 2px;
}

/* ---------- Offcanvas ---------- */
.offcanvas.rt-drawer{background:#fff;color:var(--t1);max-width:290px;}
.rt-drawer .offcanvas-header{border-bottom:1px solid var(--line);}
.rt-drawer .drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:15px 4px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  font-weight:600;
  color:var(--t2);
  text-decoration:none;
}
.rt-drawer .drawer-nav a.active{color:var(--brand);}
.rt-drawer .drawer-nav a i{color:var(--t3);font-size:13px;}
.rt-drawer .drawer-cta{margin-top:26px;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .page-head h1{font-size:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (max-width:991.98px){
  :root{--sp-section:64px;}
  .nav-menu{display:none;}
  .menu-toggle{display:flex;}
  .header-actions .btn-rt{display:none;}
  .mobile-tab{display:block;}
  .page-head h1{font-size:30px;}
  .page-head-inner{padding:40px 0 46px;}
  .plan-grid{grid-template-columns:1fr;gap:26px;}
  .plan-card.featured{transform:none;}
  .plan-card.featured:hover{transform:translateY(-4px);}
  .steps{grid-template-columns:1fr;gap:24px;}
  .step-arrow{display:none;}
  .step-num{position:static;box-shadow:none;margin-bottom:14px;}
  .scene-grid{grid-template-columns:1fr 1fr;}
  .support-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .sec-head h2{font-size:24px;}
}
@media (max-width:767.98px){
  body{font-size:15px;padding-bottom:68px;}
  .page-head h1{font-size:26px;}
  .head-stat{min-width:96px;padding:11px 15px;}
  .head-stat strong{font-size:22px;}
  .scene-grid{grid-template-columns:1fr;}
  .scroll-hint{display:block;}
  .cta-strip{padding:26px 22px;}
  .cta-strip h2{font-size:20px;}
  .cta-strip .cta-actions{width:100%;}
  .cta-strip .cta-actions .btn-rt{flex:1;}
  .faq-btn{font-size:15px;padding:14px 18px;}
  .faq-a{padding-left:18px;padding-right:18px;}
}
@media (max-width:575.98px){
  .container-rt{padding:0 16px;}
  .support-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .head-stats{width:100%;}
  .head-stat{flex:1;}
  .logo-sub{letter-spacing:.1em;}
  .sec-head h2{font-size:22px;}
  .plan-card{padding:22px 18px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#E8452C;
  --c-primary-d:#C2351F;
  --c-primary-l:#FFF0EC;
  --c-lime:#CBEF4A;
  --c-lime-d:#9CC22E;
  --c-ink:#15181E;
  --c-ink-2:#2A2F37;
  --c-bg:#F7F4EF;
  --c-surface:#FFFFFF;
  --c-border:#E7E2D9;
  --t-1:#1B1E24;
  --t-2:#59606A;
  --t-3:#8B9199;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(21,24,30,.04), 0 6px 18px rgba(21,24,30,.06);
  --sh-2:0 12px 32px rgba(232,69,44,.18);
  --sh-3:0 2px 0 #15181E;
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-1);
  background:var(--c-bg);
  padding-bottom:72px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease, text-underline-offset .2s ease;}
a:hover{color:var(--c-primary-d);text-decoration:underline;text-underline-offset:2px;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.25;margin:0;color:var(--t-1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-lime-d);outline-offset:2px;}
.container-rt{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 按钮 ============ */
.btn-rt{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-weight:700;font-size:15px;line-height:1.2;cursor:pointer;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  text-decoration:none;white-space:nowrap;
}
.btn-rt:hover{text-decoration:none;}
.btn-primary-rt{background:var(--c-primary);color:#fff;}
.btn-primary-rt:hover{background:var(--c-primary-d);color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px);}
.btn-primary-rt:active{transform:translateY(0);box-shadow:none;}
.btn-ghost-rt{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost-rt:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:var(--c-primary-d);}
.btn-ink-rt{background:var(--c-ink);color:#fff;}
.btn-ink-rt:hover{background:var(--c-ink-2);color:var(--c-lime);}
.btn-sm-rt{padding:9px 20px;font-size:14px;}
.btn[disabled],.btn-rt.disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}

/* ============ 徽章 ============ */
.badge-rt{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:800;letter-spacing:.02em;
  background:var(--c-primary-l);color:var(--c-primary-d);
}
.badge-rt.lime{background:var(--c-lime);color:var(--c-ink);}
.badge-rt.solid{background:var(--c-primary);color:#fff;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,244,239,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-border);box-shadow:var(--sh-1);background:rgba(255,255,255,.96);}
.header-inner{display:flex;align-items:center;gap:24px;height:74px;}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;
  clip-path:polygon(12% 0,100% 0,100% 88%,88% 100%,0 100%,0 12%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-weight:800;font-size:17px;color:var(--t-1);letter-spacing:-.01em;}
.logo-sub{font-size:11px;color:var(--t-3);letter-spacing:.14em;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--t-2);text-decoration:none;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--t-1);background:#fff;text-decoration:none;}
.nav-link.active{color:var(--c-primary);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1.5px solid var(--c-border);background:#fff;color:var(--t-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l);}
.menu-toggle{display:none;}
.header-search{
  display:none;border-top:1px solid var(--c-border);background:#fff;
  padding:12px 0;
}
.header-search.open{display:block;}
.search-form{display:flex;gap:10px;align-items:center;}
.search-form input{
  flex:1;height:46px;border-radius:var(--r-md);border:1.5px solid var(--c-border);
  padding:0 16px;background:var(--c-bg);outline:none;transition:border-color .2s ease,background .2s ease;
}
.search-form input:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(232,69,44,.1);}
.search-form button{
  height:46px;padding:0 22px;border-radius:var(--r-pill);border:none;
  background:var(--c-primary);color:#fff;font-weight:700;cursor:pointer;
}
.search-form button:hover{background:var(--c-primary-d);}

/* 移动抽屉 */
.offcanvas-rt{background:#fff;}
.offcanvas-rt .offcanvas-header{border-bottom:1px solid var(--c-border);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:16px 0;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--c-border);
  font-size:16px;font-weight:700;color:var(--t-1);text-decoration:none;
}
.drawer-nav a:hover{color:var(--c-primary);text-decoration:none;}
.drawer-nav a.active{color:var(--c-primary);}
.drawer-nav a i{color:var(--t-3);font-size:13px;}
.drawer-cta{margin-top:20px;display:grid;gap:10px;}

/* ============ 移动底部 Tab ============ */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:none;
  background:rgba(255,255,255,.97);
  border-top:1px solid var(--c-border);
  box-shadow:0 -6px 20px rgba(21,24,30,.06);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar a{
  flex:1;height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  position:relative;color:var(--t-3);font-size:11px;font-weight:700;text-decoration:none;
}
.mobile-tabbar a i{font-size:22px;line-height:1;}
.mobile-tabbar a.active{color:var(--c-primary);}
.mobile-tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--c-primary);
}
.mobile-tabbar a:hover{text-decoration:none;color:var(--c-primary);}

/* ============ 页头 Banner ============ */
.page-hero{position:relative;overflow:hidden;background:var(--c-ink);}
.page-hero-bg{position:absolute;inset:0;}
.page-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.42;}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(21,24,30,.9) 0%,rgba(21,24,30,.72) 52%,rgba(42,47,55,.55) 100%);
}
.page-hero .inner{position:relative;z-index:2;padding:72px 0 64px;}
.breadcrumb-rt{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px;}
.breadcrumb-rt a{color:rgba(255,255,255,.86);text-decoration:none;}
.breadcrumb-rt a:hover{color:var(--c-lime);}
.breadcrumb-rt span.sep{opacity:.5;}
.page-hero h1{color:#fff;font-size:42px;max-width:820px;}
.page-hero .lead{color:rgba(255,255,255,.82);max-width:680px;margin-top:16px;font-size:16px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags .badge-rt{background:rgba(255,255,255,.12);color:#fff;font-weight:700;}
.hero-tags .badge-rt.lime{background:var(--c-lime);color:var(--c-ink);}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section.alt{background:#fff;}
.section.tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:30px;}
.section-head p{color:var(--t-2);margin-top:12px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:.12em;
  color:var(--c-primary-d);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-primary);border-radius:2px;}

/* ============ 筛选胶囊 ============ */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:16px 0 4px;
}
.filter-bar .pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:var(--r-pill);
  border:1.5px solid var(--c-border);background:#fff;
  font-size:14px;font-weight:700;color:var(--t-2);text-decoration:none;
  transition:all .2s ease;
}
.filter-bar .pill:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none;}
.filter-bar .pill.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.filter-bar .pill.active:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;}

/* ============ 内容卡网格 ============ */
.card-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--r-md);
  background:
    repeating-linear-gradient(135deg, rgba(232,69,44,.14) 0 10px, rgba(203,239,74,.22) 10px 20px),
    var(--c-primary-l);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:18px;display:flex;flex-direction:column;gap:14px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.post-card:hover .card-media img{transform:scale(1.03);}
.post-body{display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{font-size:18px;line-height:1.4;}
.post-title a{color:var(--t-1);text-decoration:none;}
.post-title a:hover{color:var(--c-primary);}
.post-desc{color:var(--t-2);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--t-3);margin-top:auto;padding-top:12px;border-top:1px solid var(--c-border);}
.post-card.feature{grid-column:span 2;flex-direction:row;align-items:stretch;gap:22px;padding:20px;}
.post-card.feature .card-media{flex:1 1 52%;aspect-ratio:auto;min-height:250px;border-radius:var(--r-md);}
.post-card.feature .post-body{flex:1 1 48%;padding:8px 4px;}
.post-card.feature .post-title{font-size:22px;}
.post-card.feature .post-desc{-webkit-line-clamp:3;font-size:15px;}

/* ============ 特色卖点 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.feature-card::before{
  content:"";position:absolute;top:0;left:26px;width:44px;height:4px;
  background:var(--c-primary);border-radius:0 0 4px 4px;
}
.feature-ico{
  width:46px;height:46px;border-radius:var(--r-md);
  background:var(--c-primary-l);color:var(--c-primary-d);
  display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px;
}
.feature-card h3{font-size:19px;margin-bottom:10px;}
.feature-card p{color:var(--t-2);font-size:15px;}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-2px);border-color:var(--c-lime-d);}
.scene-card .scene-no{
  font-size:13px;font-weight:800;color:var(--c-primary);letter-spacing:.08em;
}
.scene-card h3{font-size:17px;margin:10px 0 8px;}
.scene-card p{font-size:14px;color:var(--t-2);}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:var(--r-pill);
  background:var(--c-lime);color:var(--c-ink);font-weight:800;font-size:14px;
  margin-bottom:14px;
}
.step:not(:last-child)::after{
  content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:-16px;top:50%;transform:translateY(-50%);
  color:var(--c-primary);font-size:14px;z-index:2;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--t-2);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;position:relative;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item:hover{border-color:#D8D1C4;}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;
  background:var(--c-primary);transition:width .25s ease;
}
.faq-item.open::before{width:4px;}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;background:transparent;border:none;cursor:pointer;
  text-align:left;font-size:16px;font-weight:700;color:var(--t-1);
}
.faq-q .faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:var(--r-pill);
  border:1.5px solid var(--c-border);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(90deg);background:var(--c-lime);border-color:var(--c-lime-d);color:var(--c-ink);}
.faq-a{padding:0 22px 20px;color:var(--t-2);font-size:15px;line-height:1.9;}

/* ============ CTA ============ */
.cta-band{
  background:var(--c-ink);border-radius:var(--r-lg);
  padding:38px 40px;display:flex;align-items:center;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  background:repeating-linear-gradient(135deg,rgba(203,239,74,.22) 0 12px,rgba(203,239,74,0) 12px 24px);
  transform:rotate(12deg);
}
.cta-band .cta-text{flex:1 1 420px;position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{color:rgba(255,255,255,.72);margin-top:10px;font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-band .btn-ghost-rt{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn-ghost-rt:hover{background:rgba(255,255,255,.12);color:var(--c-lime);border-color:var(--c-lime);}

/* ============ 分页 ============ */
.pager{display:flex;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap;}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 14px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--c-border);background:#fff;color:var(--t-2);
  font-size:14px;font-weight:700;text-decoration:none;
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none;}
.pager .current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#fff;padding:64px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:#A9AEB8;}
.footer-brand p{color:#A9AEB8;font-size:14px;line-height:1.9;max-width:340px;}
.f-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.f-col ul{display:flex;flex-direction:column;gap:10px;}
.f-col ul li a,.f-col ul li span{color:#A9AEB8;font-size:14px;text-decoration:none;}
.f-col ul li a:hover{color:var(--c-lime);text-decoration:none;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-bottom p{color:#A9AEB8;font-size:13px;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .page-hero h1{font-size:36px;}
}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn-primary-rt{display:none;}
  .section{padding:64px 0;}
  .page-hero .inner{padding:56px 0 48px;}
  .page-hero h1{font-size:32px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .post-card.feature{grid-column:span 2;flex-direction:column;gap:16px;}
  .post-card.feature .card-media{min-height:220px;aspect-ratio:16/10;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .mobile-tabbar{display:flex;}
}
@media (max-width:767.98px){
  .post-grid{grid-template-columns:1fr;}
  .post-card.feature{grid-column:span 1;}
  .feature-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 24px;}
  .cta-band h2{font-size:22px;}
}
@media (max-width:575.98px){
  body{font-size:15px;padding-bottom:76px;}
  .container-rt{padding:0 16px;}
  .section{padding:48px 0;}
  .page-hero h1{font-size:27px;}
  .section-head h2{font-size:23px;}
  .scene-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .post-card.feature{padding:16px;}
  .cta-actions .btn-rt{width:100%;}
}

/* roulang page: category3 */
:root{
  --brand:#E8452C;
  --brand-d:#C2351F;
  --brand-l:#FFF0EC;
  --lime:#CBEF4A;
  --lime-d:#9CC22E;
  --ink:#15181E;
  --ink-2:#2A2F37;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --line:#E7E2D9;
  --t1:#1B1E24;
  --t2:#59606A;
  --t3:#8B9199;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(21,24,30,.04), 0 6px 18px rgba(21,24,30,.06);
  --sh-2:0 12px 32px rgba(232,69,44,.18);
  --sh-3:0 2px 0 #15181E;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;color:var(--t1);}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-d);text-decoration:underline;text-underline-offset:2px;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.container-rt{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:#DAD3C7;
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--t1);
  flex-shrink:0;
}
.logo:hover{color:var(--t1);text-decoration:none;}
.logo-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--brand);
  color:#fff;
  font-weight:800;
  font-size:19px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--sh-2);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-main{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.logo-sub{font-size:11px;color:var(--t3);letter-spacing:.16em;font-weight:600;}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--t2);
  border-radius:var(--r-pill);
}
.nav-link:hover{
  color:var(--brand);
  background:var(--brand-l);
  text-decoration:none;
}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.search-btn{
  width:42px;
  height:42px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--t2);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:all .22s ease;
}
.search-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-l);}
.menu-btn{
  width:44px;
  height:44px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:#fff;
  color:var(--t1);
  display:none;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

/* ---------- Buttons ---------- */
.btn-rt{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-rt:hover{text-decoration:none;}
.btn-primary-rt{
  background:var(--brand);
  color:#fff;
  box-shadow:0 6px 16px rgba(232,69,44,.22);
}
.btn-primary-rt:hover{
  background:var(--brand-d);
  color:#fff;
  box-shadow:var(--sh-2);
  transform:translateY(-1px);
}
.btn-primary-rt:active{transform:translateY(0);}
.btn-outline-rt{
  background:#fff;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-outline-rt:hover{background:var(--brand-l);color:var(--brand-d);transform:translateY(-1px);}
.btn-ghost-rt{
  background:var(--ink);
  color:#fff;
}
.btn-ghost-rt:hover{background:var(--ink-2);color:#fff;transform:translateY(-1px);}
.btn-sm-rt{padding:9px 20px;font-size:14px;}
.btn-block-rt{width:100%;}
.btn-rt:disabled,.btn-rt.disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- Offcanvas ---------- */
.rt-offcanvas{background:#fff;}
.rt-offcanvas .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.rt-offcanvas .offcanvas-title{font-size:17px;font-weight:800;}
.rt-offcanvas .offcanvas-body{padding:16px 20px 32px;}
.menu-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:15px 4px;
  border-bottom:1px solid var(--line);
  color:var(--t1);
  font-weight:600;
  font-size:15px;
}
.menu-link:hover{color:var(--brand);text-decoration:none;}
.menu-link.active{color:var(--brand);}
.menu-link i{color:var(--t3);font-size:13px;}

/* ---------- Page head ---------- */
.page-head{
  position:relative;
  overflow:hidden;
  background:var(--brand-l);
  padding:76px 0 68px;
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(232,69,44,.07) 0 12px,transparent 12px 26px);
  pointer-events:none;
}
.page-head::after{
  content:"";
  position:absolute;
  right:-70px;
  top:-90px;
  width:300px;
  height:300px;
  background:rgba(203,239,74,.42);
  border-radius:36px;
  transform:rotate(14deg);
  pointer-events:none;
}
.page-head .container-rt{position:relative;z-index:2;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:18px;
}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:#C3BDB2;}
.page-head h1{
  font-size:42px;
  max-width:820px;
}
.page-head .lead{
  margin-top:16px;
  max-width:760px;
  font-size:16px;
  color:var(--t2);
}
.head-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.badge-rt{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.01em;
}
.badge-lime{background:var(--lime);color:var(--ink);}
.badge-brand{background:var(--brand);color:#fff;}
.badge-soft{background:#fff;color:var(--brand);border:1px solid #F3CFC6;}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.14em;
  color:var(--brand);
  background:var(--brand-l);
  padding:5px 14px;
  border-radius:var(--r-pill);
  margin-bottom:14px;
}
.section-head h2{font-size:30px;}
.section-head p{margin-top:12px;color:var(--t2);font-size:15.5px;}

/* ---------- Offer grid ---------- */
.offer-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.offer-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  height:100%;
}
.offer-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:#F3CFC6;
}
.offer-cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,var(--brand),#F2795F);
}
.offer-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.offer-card:hover .offer-cover img{transform:scale(1.03);}
.offer-tag{
  position:absolute;
  top:14px;
  left:14px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:var(--lime);
  color:var(--ink);
  font-size:12px;
  font-weight:800;
  letter-spacing:.02em;
}
.offer-body{
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  padding:22px;
}
.offer-body h3{font-size:19px;}
.offer-body .desc{
  margin-top:10px;
  font-size:14.5px;
  color:var(--t2);
  line-height:1.75;
}
.offer-meta{
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:13.5px;
  color:var(--t3);
}
.offer-meta strong{color:var(--t1);font-weight:700;}
.offer-foot{
  margin-top:auto;
  padding-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.offer-num{
  font-size:22px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.offer-num small{display:block;font-size:12px;color:var(--t3);font-weight:600;letter-spacing:0;}

/* ---------- Ladder (vertical) ---------- */
.ladder-v{
  position:relative;
  padding-left:40px;
}
.ladder-v::before{
  content:"";
  position:absolute;
  left:13px;
  top:12px;
  bottom:12px;
  width:2px;
  background:linear-gradient(180deg,var(--lime-d),var(--brand),#F3CFC6);
  border-radius:2px;
}
.ladder-item{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto;
  gap:24px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px 26px;
  box-shadow:var(--sh-1);
  margin-bottom:20px;
  transition:transform .28s ease,box-shadow .28s ease;
}
.ladder-item:last-child{margin-bottom:0;}
.ladder-item:hover{transform:translateX(3px);box-shadow:var(--sh-2);}
.ladder-item::before{
  content:"";
  position:absolute;
  left:-34px;
  top:50%;
  transform:translateY(-50%);
  width:14px;
  height:14px;
  border-radius:50%;
  background:var(--lime);
  border:3px solid #fff;
  box-shadow:0 0 0 2px var(--lime-d);
}
.ladder-item.is-top{border-color:var(--brand);border-width:1.5px;}
.ladder-item.is-top::before{background:var(--brand);box-shadow:0 0 0 2px var(--brand-d);}
.ladder-rank{
  font-size:13px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
}
.ladder-item h3{margin-top:8px;font-size:19px;}
.ladder-item p{margin-top:8px;font-size:14.5px;color:var(--t2);max-width:640px;}
.ladder-side{
  text-align:right;
  flex-shrink:0;
}
.ladder-side .k{
  font-size:24px;
  font-weight:800;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.ladder-side .k em{font-style:normal;color:var(--lime-d);}
.ladder-side small{display:block;font-size:12.5px;color:var(--t3);margin-top:2px;}

/* ---------- Steps ---------- */
.steps-row{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step-num{
  width:44px;
  height:44px;
  border-radius:var(--r-pill);
  background:var(--lime);
  color:var(--ink);
  font-weight:800;
  font-size:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step-card h3{font-size:18px;}
.step-card p{margin-top:10px;font-size:14.5px;color:var(--t2);}
.step-arrow{
  position:absolute;
  right:-16px;
  top:50%;
  transform:translateY(-50%);
  color:var(--brand);
  font-size:18px;
  z-index:3;
}

/* ---------- Accordion ---------- */
.rt-accordion .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg) !important;
  margin-bottom:14px;
  overflow:hidden;
}
.rt-accordion .accordion-button{
  width:100%;
  min-height:56px;
  padding:14px 22px;
  font-size:16px;
  font-weight:700;
  color:var(--t1);
  background:var(--surface);
  border:0;
  box-shadow:none !important;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
}
.rt-accordion .accordion-button:not(.collapsed){
  color:var(--brand);
  background:var(--brand-l);
}
.rt-accordion .accordion-button:focus{box-shadow:none;outline:none;}
.acc-icon{
  position:relative;
  width:20px;
  height:20px;
  flex-shrink:0;
}
.acc-icon::before,
.acc-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
  transition:transform .3s ease,opacity .3s ease;
}
.acc-icon::before{left:0;top:9px;width:20px;height:2px;}
.acc-icon::after{left:9px;top:0;width:2px;height:20px;transform:rotate(0deg);}
.accordion-button:not(.collapsed) .acc-icon::after{transform:rotate(90deg);opacity:0;}
.rt-accordion .accordion-body{
  padding:4px 22px 22px;
  font-size:15px;
  color:var(--t2);
  line-height:1.9;
  border-top:1px solid var(--line);
  padding-top:18px;
}
.rt-accordion .accordion-body ul li{
  position:relative;
  padding-left:18px;
  margin-bottom:8px;
}
.rt-accordion .accordion-body ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--brand);
}

/* ---------- Form ---------- */
.consult-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:40px;
  align-items:start;
}
.consult-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px dashed var(--line);
}
.consult-list li:last-child{border-bottom:0;}
.consult-ico{
  width:40px;
  height:40px;
  border-radius:var(--r-md);
  background:var(--brand-l);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  font-size:16px;
}
.consult-list h4{font-size:16px;}
.consult-list p{font-size:14px;color:var(--t2);margin-top:4px;}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px;
  box-shadow:var(--sh-1);
}
.form-card h3{font-size:20px;}
.form-card .form-hint{font-size:13.5px;color:var(--t3);margin-top:8px;}
.field{margin-top:18px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:700;
  margin-bottom:8px;
  color:var(--t1);
}
.field label .req{color:var(--brand);margin-left:3px;}
.field .form-control,
.field .form-select{
  width:100%;
  min-height:48px;
  padding:11px 16px;
  border:1.5px solid var(--line);
  border-radius:var(--r-md);
  background:#FDFCFA;
  font-size:15px;
  color:var(--t1);
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.field textarea.form-control{min-height:120px;resize:vertical;line-height:1.75;}
.field .form-control:focus,
.field .form-select:focus{
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 4px rgba(232,69,44,.1);
  outline:none;
}
.field .form-control::placeholder{color:#B4B8BE;}
.check-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin-top:18px;
  font-size:13.5px;
  color:var(--t2);
}
.check-row input{
  width:18px;
  height:18px;
  margin-top:3px;
  accent-color:var(--brand);
  flex-shrink:0;
}
.form-actions{margin-top:22px;}
.form-note{margin-top:14px;font-size:13px;color:var(--t3);}
.btn-loading{position:relative;color:transparent !important;}
.btn-loading::after{
  content:"";
  position:absolute;
  width:16px;
  height:16px;
  border:2px solid rgba(255,255,255,.5);
  border-top-color:#fff;
  border-radius:50%;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- CTA bar ---------- */
.cta-bar{
  background:var(--ink);
  border-radius:var(--r-lg);
  padding:38px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  box-shadow:var(--sh-3);
}
.cta-bar h2{color:#fff;font-size:26px;}
.cta-bar p{color:#A9AEB8;font-size:15px;margin-top:10px;max-width:640px;}
.cta-bar .btn-rt{flex-shrink:0;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:#fff;
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.site-footer p,
.site-footer li,
.site-footer span{
  color:#A9AEB8;
  font-size:14px;
  line-height:1.9;
}
.site-footer .footer-brand p{margin-top:16px;max-width:340px;color:#A9AEB8;}
.site-footer .logo{color:#fff;}
.site-footer .logo:hover{color:#fff;text-decoration:none;}
.site-footer .logo-main{color:#fff;}
.site-footer .logo-sub{color:#A9AEB8;}
.site-footer ul li{margin-bottom:9px;}
.site-footer a{color:#A9AEB8;}
.site-footer a:hover{color:var(--lime);text-decoration:none;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
}
.footer-bottom p{font-size:13px;color:#7E848E;}

/* ---------- Mobile tabbar ---------- */
.mobile-tabbar{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:1050;
  display:none;
  background:rgba(255,255,255,.98);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 24px rgba(21,24,30,.08);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar .tab-item{
  flex:1 1 0;
  height:62px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11px;
  font-weight:600;
  color:var(--t3);
  position:relative;
}
.mobile-tabbar .tab-item i{font-size:20px;line-height:1;}
.mobile-tabbar .tab-item:hover{color:var(--brand);text-decoration:none;}
.mobile-tabbar .tab-item.active{color:var(--brand);}
.mobile-tabbar .tab-item.active::before{
  content:"";
  position:absolute;
  top:0;
  left:50%;
  transform:translateX(-50%);
  width:34px;
  height:2px;
  background:var(--brand);
  border-radius:0 0 2px 2px;
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .offer-grid{gap:20px;}
  .page-head h1{font-size:38px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .nav-menu{display:none;}
  .menu-btn{display:flex;}
  .header-inner{min-height:64px;gap:16px;}
  .offer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
  .step-arrow{display:none;}
  .consult-wrap{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .page-head{padding:56px 0 50px;}
  .page-head h1{font-size:32px;}
  .page-head::after{width:200px;height:200px;right:-60px;top:-70px;}
}
@media (max-width:767.98px){
  .mobile-tabbar{display:flex;}
  body{padding-bottom:76px;}
  .search-btn{display:none;}
  .header-actions .btn-rt{display:none;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .steps-row{grid-template-columns:1fr;gap:16px;}
  .ladder-item{grid-template-columns:1fr;gap:12px;}
  .ladder-side{text-align:left;}
  .cta-bar{padding:28px 24px;}
  .cta-bar h2{font-size:22px;}
  .form-card{padding:24px 20px;}
  .ladder-v{padding-left:32px;}
  .ladder-item::before{left:-28px;}
}
@media (max-width:575.98px){
  .container-rt{padding:0 16px;}
  .offer-grid{grid-template-columns:1fr;}
  .page-head h1{font-size:26px;}
  .page-head .lead{font-size:15px;}
  .logo-mark{width:34px;height:34px;font-size:17px;}
  .logo-main{font-size:16px;}
  .section{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .btn-rt{width:100%;}
  .header-actions .btn-rt{width:auto;}
  .cta-bar .btn-rt{width:100%;}
}