/* roulang page: index */
/* ===================== 设计变量 ===================== */
:root{
  --brand:#E85C2A;
  --brand-2:#FF8A3D;
  --brand-soft:#FFF3E9;
  --green:#0F3D2E;
  --green-2:#17513D;
  --green-soft:#EAF2ED;
  --gold:#FFC24B;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --ink:#1A1F1C;
  --muted:#5C6660;
  --line:#E7E1D8;
  --track:#F1ECE4;
  --placeholder:#EFEAE3;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-card:0 1px 2px rgba(26,31,28,.04),0 8px 24px rgba(26,31,28,.06);
  --shadow-hover:0 12px 32px rgba(232,92,42,.14);
  --container:1200px;
  --ease:cubic-bezier(.4,0,.2,1);
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
table{border-collapse:collapse;width:100%;}
time{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(232,92,42,.35);outline-offset:2px;border-radius:8px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ===================== 容器与通用排版 ===================== */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.3;
  margin-top:10px;
}
.section-desc{
  color:var(--muted);
  font-size:15px;
  line-height:1.75;
  max-width:60ch;
  margin-top:12px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.04em;
  background:var(--brand-soft);
  border-radius:999px;
  padding:5px 14px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  white-space:nowrap;
  padding:4px 0;
  border-bottom:1.5px solid transparent;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.text-link:hover{border-bottom-color:var(--brand);}
.text-link:active{transform:translateY(1px);}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 6px 18px rgba(232,92,42,.22);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(232,92,42,.3);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(232,92,42,.24);}
.btn-outline{
  color:var(--green);
  background:#fff;
  border:1.5px solid var(--green);
}
.btn-outline:hover{background:var(--green-soft);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(1px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn:disabled,.btn.is-disabled{
  opacity:.4;
  filter:grayscale(60%);
  pointer-events:none;
  cursor:not-allowed;
  box-shadow:none;
}

/* ===================== 顶栏渐变条 ===================== */
.brand-bar{
  height:6px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2) 60%,var(--gold));
}

/* ===================== 导航 ===================== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,246,241,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.site-header.is-stuck{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px rgba(26,31,28,.07);
}
.nav-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:14px 0;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:42px;height:42px;
  flex:0 0 auto;
  border-radius:13px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  font-size:19px;
  font-weight:800;
  display:grid;
  place-items:center;
  box-shadow:0 6px 16px rgba(232,92,42,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.06em;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-tabs{
  display:flex;
  align-items:center;
  gap:6px;
  background:var(--track);
  border-radius:999px;
  padding:6px;
  overflow-x:auto;
  scrollbar-width:none;
  margin-bottom:12px;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.chip-tab{
  flex:0 0 auto;
  padding:8px 18px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  transition:background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.chip-tab:hover{background:rgba(255,255,255,.72);color:var(--ink);}
.chip-tab.is-active{
  background:#fff;
  color:var(--brand);
  box-shadow:0 1px 2px rgba(26,31,28,.06),0 3px 10px rgba(26,31,28,.06);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  padding:0;
  place-items:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.mobile-nav{
  display:none;
  border-top:1px solid var(--line);
  padding:10px 0 16px;
}
.mobile-nav a{
  display:block;
  padding:12px 4px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:0;}
.mobile-nav a.is-active{color:var(--brand);}
body.nav-open .mobile-nav{display:block;}

/* ===================== 首屏 ===================== */
.hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 96px;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(15,61,46,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(15,61,46,.05) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(circle at 55% 35%,#000 0%,transparent 72%);
  mask-image:radial-gradient(circle at 55% 35%,#000 0%,transparent 72%);
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:clamp(30px,4vw,48px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
  margin-top:18px;
}
.hero-sub{
  margin-top:18px;
  font-size:17px;
  color:var(--muted);
  max-width:36ch;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:30px;
}
.hero-points li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  font-weight:500;
}
.hero-points li::before{
  content:"";
  width:8px;height:8px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 4px rgba(15,61,46,.08);
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  height:430px;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--placeholder);
  box-shadow:0 24px 60px rgba(26,31,28,.12);
}
.hero-badges{
  position:absolute;
  right:-16px;
  bottom:26px;
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-end;
}
.stat-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 18px 8px 14px;
  box-shadow:var(--shadow-card);
}
.stat-badge b{
  font-size:18px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.stat-badge span{font-size:13px;color:var(--muted);}

/* ===================== 权益对比表 ===================== */
.table-wrap{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.table-scroll{overflow-x:auto;scrollbar-width:thin;}
.compare-table{
  min-width:720px;
  font-size:14.5px;
}
.compare-table thead th{
  background:linear-gradient(180deg,var(--green),var(--green-2));
  color:#fff;
  font-weight:700;
  font-size:15px;
  text-align:center;
  padding:18px 16px;
  white-space:nowrap;
}
.compare-table thead th.col-feature{
  text-align:left;
  padding-left:26px;
  font-size:14px;
  font-weight:600;
  color:rgba(255,255,255,.82);
}
.compare-table thead th.th-best{
  position:relative;
  background:linear-gradient(180deg,#17513D,#0F3D2E);
  box-shadow:inset 2px 0 0 var(--gold),inset -2px 0 0 var(--gold);
}
.rec-badge{
  display:block;
  width:fit-content;
  margin:0 auto 6px;
  font-size:11.5px;
  font-weight:700;
  color:#3B2700;
  background:var(--gold);
  border-radius:999px;
  padding:2px 12px;
}
.compare-table tbody td{
  padding:15px 16px;
  text-align:center;
  border-bottom:1px solid var(--line);
  color:var(--ink);
  transition:background .18s var(--ease);
}
.compare-table tbody td.col-feature{
  text-align:left;
  padding-left:26px;
  font-weight:600;
  color:var(--ink);
}
.compare-table tbody td:nth-child(4){
  background:#FFF9F2;
  box-shadow:inset 2px 0 0 rgba(232,92,42,.28),inset -2px 0 0 rgba(232,92,42,.28);
  font-weight:700;
}
.compare-table tbody tr:hover td{background:#FDF6EF;}
.compare-table tbody tr:hover td:nth-child(4){background:#FFEFE1;}
.compare-table tfoot td{
  padding:18px 16px;
  text-align:center;
  background:#fff;
}
.compare-table tfoot td.tf-label{
  text-align:left;
  padding-left:26px;
  font-size:13px;
  color:var(--muted);
}
.mark{
  display:inline-grid;
  place-items:center;
  width:24px;height:24px;
  border-radius:50%;
  font-size:13px;
  font-weight:800;
  line-height:1;
}
.mark.yes{background:var(--green-soft);color:var(--green);}
.mark.no{background:#F1EEE9;color:#B4ADA2;}
.cell-num{font-variant-numeric:tabular-nums;font-weight:700;color:var(--green);}
.cell-text{font-size:13.5px;color:var(--muted);}

/* ===================== 等级亮点 ===================== */
.level-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  align-items:start;
}
.level-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.level-card.is-featured{
  border:1.5px solid var(--brand);
  transform:translateY(8px);
  position:relative;
  overflow:hidden;
}
.level-card.is-featured::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:4px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.level-card.is-featured:hover{transform:translateY(4px);}
.level-card.is-mid{transform:translateY(4px);}
.level-card.is-mid:hover{transform:translateY(0);}
.level-no{
  display:inline-grid;
  place-items:center;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--brand-soft);
  color:var(--brand);
  font-weight:800;
  font-size:14px;
  font-variant-numeric:tabular-nums;
}
.level-card.is-featured .level-no{background:var(--green);color:#fff;}
.level-card h3{
  font-size:20px;
  font-weight:700;
  margin-top:16px;
  letter-spacing:-.01em;
}
.level-desc{
  margin-top:10px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.7;
  min-height:52px;
}
.level-list{margin-top:20px;display:grid;gap:10px;}
.level-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--muted);
  line-height:1.6;
}
.level-list li::before{
  content:"";
  flex:0 0 auto;
  width:7px;height:7px;
  margin-top:8px;
  border-radius:2px;
  background:var(--brand);
  transform:rotate(45deg);
}
.level-card .text-link{margin-top:24px;}

/* ===================== 内容预览卡 ===================== */
.content-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.content-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  display:flex;
  flex-direction:column;
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.cc-media{
  position:relative;
  aspect-ratio:16/10;
  background:var(--placeholder);
  overflow:hidden;
}
.cc-media img{
  width:100%;height:100%;
  object-fit:cover;
  border-bottom:1px solid var(--line);
  transition:transform .3s var(--ease),filter .3s var(--ease);
}
.content-card:hover .cc-media img{transform:scale(1.04);}
.content-card.is-locked .cc-media img{filter:blur(4px) saturate(.7);}
.lock-overlay{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  background:rgba(15,61,46,.24);
  border:1px solid rgba(255,255,255,.4);
  border-radius:0;
  opacity:1;
  transition:background .2s var(--ease);
}
.lock-overlay svg{width:34px;height:34px;color:#fff;}
.content-card.is-locked:hover .lock-overlay{background:rgba(15,61,46,.36);}
.unlock-tip{
  position:absolute;
  left:50%;
  bottom:14px;
  transform:translateX(-50%);
  background:rgba(15,61,46,.9);
  color:#fff;
  font-size:12.5px;
  padding:5px 14px;
  border-radius:999px;
  opacity:0;
  transition:opacity .2s var(--ease);
  white-space:nowrap;
}
.content-card.is-locked:hover .unlock-tip{opacity:1;}
.cc-body{
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.chip{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  font-size:12.5px;
  font-weight:700;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:999px;
  padding:3px 12px;
  line-height:1.6;
}
.chip-chip{color:var(--green);background:var(--green-soft);}
.cc-body h3{
  font-size:18px;
  font-weight:700;
  line-height:1.45;
  letter-spacing:-.01em;
}
.cc-body p{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}
.level-tag{
  margin-top:auto;
  font-size:12.5px;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.level-tag::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
}
.content-foot{
  margin-top:36px;
  display:flex;
  justify-content:center;
}

/* ===================== 深色数据带 ===================== */
.band{
  background:linear-gradient(135deg,var(--green),var(--green-2));
  padding:64px 0;
}
.band-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.band-item{
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-sm);
  padding:22px 24px;
  background:rgba(255,255,255,.04);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.band-item:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.28);}
.band-item strong{
  display:block;
  font-size:34px;
  font-weight:800;
  color:#fff;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.band-item strong em{
  font-style:normal;
  font-size:15px;
  color:var(--gold);
  margin-left:4px;
}
.band-item span{
  display:block;
  margin-top:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
}
.band-note{
  margin-top:32px;
  font-size:13px;
  color:rgba(255,255,255,.55);
  text-decoration:underline;
  text-decoration-color:rgba(255,255,255,.25);
  text-underline-offset:4px;
}

/* ===================== 流程 ===================== */
.step-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  counter-reset:step;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step-card::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-size:28px;
  font-weight:800;
  color:var(--brand-soft);
  line-height:1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.step-card h3{
  margin-top:10px;
  font-size:18px;
  font-weight:700;
}
.step-card p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.7;
}

/* ===================== FAQ ===================== */
.faq-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  padding:22px 28px;
  cursor:pointer;
  list-style:none;
  transition:background .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#FDF8F3;}
.faq-q{
  font-size:16px;
  font-weight:700;
  line-height:1.6;
  display:flex;
  gap:14px;
}
.faq-q .idx{
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  font-weight:800;
  flex:0 0 auto;
}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:24px;height:24px;
  border-radius:999px;
  border:1.5px solid var(--line);
  margin-top:2px;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--brand);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;}
.faq-item[open] .faq-icon{background:var(--brand-soft);border-color:rgba(232,92,42,.35);}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-body{
  padding:0 28px 24px 62px;
  font-size:14.8px;
  color:var(--muted);
  line-height:1.85;
  animation:fadeUp .24s var(--ease);
}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(-6px);}
  to{opacity:1;transform:translateY(0);}
}

/* ===================== 最新信息 ===================== */
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F0D9C9;}
.post-meta{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.post-meta time{
  font-size:12.5px;
  color:var(--muted);
}
.post-title{
  font-size:17.5px;
  font-weight:700;
  line-height:1.5;
  letter-spacing:-.01em;
}
.post-title a:hover{color:var(--brand);}
.post-summary{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-more{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:700;
  color:var(--brand);
}
.post-more:hover{gap:10px;}
.empty-state{
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-md);
  padding:56px 24px;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
.empty-state svg{width:44px;height:44px;color:#C9C2B6;}
.empty-state p{font-size:14.5px;color:var(--muted);}

/* ===================== 底部 CTA ===================== */
.cta-section{padding:0 0 96px;}
.cta-card{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,var(--green),var(--green-2));
  border-radius:var(--r-lg);
  padding:56px;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:48px;
  align-items:center;
  box-shadow:0 24px 60px rgba(15,61,46,.2);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:50%;
  pointer-events:none;
}
.cta-card::before{
  content:"";
  position:absolute;
  right:-40px;bottom:-180px;
  width:340px;height:340px;
  border:1px solid rgba(255,255,255,.1);
  border-radius:50%;
  pointer-events:none;
}
.cta-text{position:relative;z-index:1;}
.cta-text h2{
  color:#fff;
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.01em;
}
.cta-text p{
  margin-top:14px;
  color:rgba(255,255,255,.76);
  font-size:15px;
  line-height:1.75;
  max-width:44ch;
}
.join-form{
  position:relative;
  z-index:1;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.join-form input{
  width:100%;
  padding:14px 18px;
  border-radius:999px;
  border:1.5px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.96);
  color:var(--ink);
  font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.join-form input::placeholder{color:#9A9E98;}
.join-form input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(232,92,42,.24);
}
.join-form .btn{width:100%;}
.form-hint{
  font-size:12.5px;
  color:rgba(255,255,255,.6);
  line-height:1.6;
}
.form-msg{
  font-size:13px;
  min-height:18px;
  color:var(--gold);
  font-weight:600;
}
.form-msg.is-error{color:#FFB4A0;}

/* ===================== 页脚 ===================== */
.site-footer{
  background:linear-gradient(180deg,var(--green),#0B2E23);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,1.8fr);
  gap:56px;
  padding-bottom:48px;
}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  max-width:34ch;
}
.footer-contact{
  font-size:13px;
  color:rgba(255,255,255,.55);
  line-height:1.9;
}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:32px;
}
.footer-col h3{
  color:#fff;
  font-size:14.5px;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col a{
  display:block;
  font-size:13.8px;
  color:rgba(255,255,255,.66);
  padding:6px 0;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(3px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.66);}
.footer-bottom a:hover{color:#fff;}

/* ===================== 响应式 ===================== */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .hero{padding:48px 0 72px;}
  .hero-grid{gap:36px;}
  .hero-media img{height:360px;}
  .level-grid,
  .content-grid,
  .post-grid,
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .band-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .level-card.is-featured{transform:translateY(0);}
  .level-card.is-featured:hover{transform:translateY(-4px);}
  .cta-card{padding:40px;gap:32px;grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:36px;}
}

@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .nav-tabs{display:none;}
  .nav-toggle{display:grid;}
  .nav-top{padding:10px 0;}
  .hero-grid{grid-template-columns:1fr;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:15.5px;max-width:none;}
  .hero-media img{height:270px;}
  .hero-badges{
    position:static;
    margin-top:14px;
    flex-direction:row;
    flex-wrap:wrap;
    align-items:flex-start;
    gap:8px;
  }
  .stat-badge{padding:6px 14px 6px 12px;}
  .stat-badge b{font-size:16px;}
  .level-grid,
  .content-grid,
  .post-grid,
  .step-grid,
  .band-grid{grid-template-columns:1fr;}
  .band{padding:48px 0;}
  .faq-item summary{padding:18px 20px;}
  .faq-body{padding:0 20px 20px 46px;}
  .cta-card{padding:30px 22px;border-radius:20px;}
  .cta-section{padding:0 0 56px;}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .table-scroll{overflow-x:auto;}
  .compare-table th:first-child,
  .compare-table td:first-child{
    position:sticky;
    left:0;
    z-index:3;
    background:#fff;
  }
  .compare-table thead th:first-child{background:linear-gradient(180deg,var(--green),var(--green-2));}
}

@media (max-width:520px){
  .brand-name{font-size:15px;}
  .brand-sub{display:none;}
  .brand-mark{width:36px;height:36px;border-radius:11px;font-size:16px;}
  .nav-actions .btn{padding:10px 18px;font-size:13.5px;}
  .hero-actions .btn{width:100%;}
  .hero-actions{gap:10px;}
  .hero h1{font-size:26px;}
  .faq-q{font-size:15px;}
  .footer-cols{grid-template-columns:1fr;}
  .band-item strong{font-size:28px;}
}

/* roulang page: article */
:root{
  --orange:#E85C2A;
  --orange-2:#FF8A3D;
  --orange-deep:#C94A1E;
  --green:#0F3D2E;
  --green-2:#17513D;
  --gold:#FFC24B;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --ink:#1A1F1C;
  --muted:#5C6660;
  --line:#E7E1D8;
  --warm:#FFF3E9;
  --warm-2:#F1ECE4;
  --placeholder:#EFEAE3;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-sm:0 1px 2px rgba(26,31,28,.04),0 8px 24px rgba(26,31,28,.06);
  --shadow-hover:0 12px 32px rgba(232,92,42,.14);
  --grad-brand:linear-gradient(118deg,#E85C2A 0%,#FF8A3D 100%);
  --grad-dark:linear-gradient(150deg,#0F3D2E 0%,#17513D 100%);
  --grad-gold:linear-gradient(120deg,#FFC24B 0%,#FFD98A 100%);
  --sp-section:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background .18s ease,border-color .18s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(232,92,42,.35);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

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

/* ============ 按钮系统 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1.5px solid transparent;
  padding:14px 28px;font-size:15px;font-weight:700;line-height:1.2;
  white-space:nowrap;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(232,92,42,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,92,42,.32);color:#fff;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(232,92,42,.28);}
.btn-outline{background:#fff;border-color:var(--green);color:var(--green);}
.btn-outline:hover{background:#EAF2ED;transform:translateY(-2px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--orange);padding:12px 4px;border-radius:8px;}
.btn-ghost:hover{color:var(--orange-deep);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled,.btn.is-disabled{opacity:.42;filter:saturate(.55);pointer-events:none;box-shadow:none;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(250,246,241,.94);
  backdrop-filter:saturate(140%) blur(12px);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.97);
  box-shadow:0 1px 0 var(--line),0 10px 28px rgba(26,31,28,.07);
}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;padding-bottom:12px;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:800;
  box-shadow:0 8px 18px rgba(232,92,42,.28);
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.01em;line-height:1.25;white-space:nowrap;}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.03em;line-height:1.4;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

.header-nav{border-top:1px solid rgba(231,225,216,.75);}
.nav-inner{display:flex;align-items:center;padding-top:8px;padding-bottom:8px;}
.nav-tabs{
  display:flex;align-items:center;gap:6px;width:100%;
  background:var(--warm-2);border-radius:999px;padding:6px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.chip-tab{
  flex:0 0 auto;padding:9px 18px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--muted);white-space:nowrap;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip-tab:hover{background:rgba(255,255,255,.72);color:var(--ink);}
.chip-tab.is-active{
  background:#fff;color:var(--orange);font-weight:700;
  box-shadow:0 1px 2px rgba(26,31,28,.06),0 4px 12px rgba(26,31,28,.06);
}
.chip-tab:active{transform:translateY(1px);}

/* ============ 面包屑 ============ */
.crumbs{padding:26px 0 0;}
.crumbs-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumbs-list a{color:var(--muted);}
.crumbs-list a:hover{color:var(--orange);}
.crumb-sep{color:#BDB6AC;font-size:12px;}
.crumb-current{color:#3A423D;font-weight:500;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头部 ============ */
.article-head{padding:22px 0 30px;}
.article-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--warm);color:var(--orange);
  border-radius:999px;padding:6px 14px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.article-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}
.article-title{
  margin-top:18px;
  font-size:clamp(28px,4vw,44px);
  font-weight:800;line-height:1.28;letter-spacing:-.01em;
  color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:16px;font-size:13px;color:var(--muted);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C6BFB5;}
.meta-pill{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:12.5px;color:var(--muted);}
.head-rule{margin-top:26px;height:1px;background:linear-gradient(90deg,var(--line),rgba(231,225,216,0));}

/* ============ 文章主体布局 ============ */
.article-wrap{padding:34px 0 var(--sp-section);}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
.article-main{min-width:0;}

.article-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 40px;box-shadow:var(--shadow-sm);
}
.article-body{font-size:16px;line-height:1.85;color:var(--ink);word-break:break-word;overflow-wrap:anywhere;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.45;
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--grad-brand);
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.5;margin:30px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body li::marker{color:var(--orange);}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--warm);border-left:4px solid var(--orange);
  border-radius:var(--r-sm);color:#3A423D;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;height:auto;margin:26px auto;
  border-radius:var(--r-md);border:1px solid var(--line);background:var(--placeholder);
}
.article-body a{color:var(--orange);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--orange-deep);text-decoration-thickness:2px;}
.article-body table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;margin:26px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-sm);
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.article-body th{background:var(--warm-2);font-weight:700;}
.article-body tr:last-child td{border-bottom:none;}
.article-body code{
  background:#F4EFE8;border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#12261F;color:#E9F1EC;border-radius:var(--r-sm);
  padding:18px 20px;overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;border:none;padding:0;color:inherit;}
.article-body hr{border:none;height:1px;background:var(--line);margin:32px 0;}

.article-empty{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:64px 28px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  border:2px solid var(--line);display:grid;place-items:center;color:#B9B0A4;font-size:26px;font-weight:800;
}
.article-empty h2{font-size:20px;font-weight:700;margin-bottom:10px;}
.article-empty p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ============ 侧栏 ============ */
.article-aside{position:relative;}
.aside-card{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  max-height:calc(100vh - 130px);overflow:auto;
}
.aside-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:5px;
  border-radius:var(--r-lg) var(--r-lg) 0 0;background:var(--grad-brand);
}
.aside-label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--orange);background:var(--warm);border-radius:999px;padding:4px 12px;}
.aside-title{font-size:18px;font-weight:800;line-height:1.45;margin:14px 0 16px;}
.level-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.level-pill{font-size:12.5px;font-weight:700;border-radius:999px;padding:5px 12px;background:var(--warm-2);color:#4A544E;}
.level-pill.is-gold{background:var(--grad-gold);color:#4A3610;}
.aside-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.aside-list li{position:relative;padding-left:20px;font-size:14px;line-height:1.65;color:#3A423D;}
.aside-list li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
  background:var(--green);box-shadow:0 0 0 3px rgba(15,61,46,.1);
}
.aside-note{margin-top:14px;font-size:12.5px;color:var(--muted);text-align:center;}

/* ============ 相关推荐 ============ */
.related{padding:0 0 var(--sp-section);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-title{font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:-.01em;line-height:1.3;}
.section-desc{color:var(--muted);font-size:14.5px;margin-top:8px;}
.link-more{font-size:14.5px;font-weight:700;color:var(--orange);display:inline-flex;align-items:center;gap:6px;}
.link-more::after{content:"›";font-size:18px;line-height:1;}
.link-more:hover{color:var(--orange-deep);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F0D6C6;}
.post-thumb{position:relative;aspect-ratio:16/10;background:var(--placeholder);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-thumb .tl-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);color:var(--orange);
  font-size:12px;font-weight:700;border-radius:999px;padding:4px 12px;
}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:18px;font-weight:700;line-height:1.5;}
.post-card:hover .post-body h3{color:var(--orange);}
.post-body p{font-size:14px;line-height:1.72;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto;}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6BFB5;}

/* ============ CTA 窄条 ============ */
.cta-strip{padding:0 0 var(--sp-section);}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad-dark);color:#fff;
  border-radius:var(--r-lg);padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(15,61,46,.22);
}
.cta-card::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:320px;height:320px;
  border:1px solid rgba(255,255,255,.16);border-radius:50%;pointer-events:none;
}
.cta-card::before{
  content:"";position:absolute;right:20px;top:-120px;width:240px;height:240px;
  border:1px solid rgba(255,255,255,.1);border-radius:50%;pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:560px;}
.cta-copy h2{font-size:clamp(22px,2.6vw,28px);font-weight:800;line-height:1.4;letter-spacing:-.01em;}
.cta-copy p{margin-top:10px;font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.76);}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-outline{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.12);}

/* ============ 页脚 ============ */
.site-footer{background:var(--green);color:#D8E4DC;padding:72px 0 30px;}
.footer-top{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1.6fr);gap:56px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:360px;}
.footer-brand .footer-contact{margin-top:14px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.68);padding:5px 0;line-height:1.6;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 28px;}
}
@media (max-width:1024px){
  :root{--sp-section:72px;}
  .container{padding:0 24px;}
  .article-grid{grid-template-columns:minmax(0,1fr) 280px;gap:28px;}
  .article-panel{padding:30px 30px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr;gap:36px;}
  .cta-card{padding:34px 32px;}
}
@media (max-width:768px){
  :root{--sp-section:56px;}
  .container{padding:0 18px;}
  .header-top-inner{padding-top:10px;padding-bottom:8px;gap:12px;}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:16px;}
  .brand-name{font-size:16px;}
  .brand-sub{display:none;}
  .header-actions .btn{padding:9px 16px;font-size:13.5px;}
  .nav-tabs{
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  }
  .crumbs{padding-top:18px;}
  .article-wrap{padding-top:24px;}
  .article-grid{grid-template-columns:minmax(0,1fr);}
  .article-aside{display:none;}
  .article-panel{padding:26px 20px;border-radius:var(--r-md);}
  .article-body{font-size:15.5px;line-height:1.82;}
  .article-body h2{font-size:21px;margin:32px 0 14px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .section-head{margin-bottom:24px;}
  .cta-card{padding:28px 22px;border-radius:var(--r-md);}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .site-footer{padding:52px 0 26px;}
  .footer-top{padding-bottom:32px;}
}
@media (max-width:520px){
  .brand-name{font-size:15px;letter-spacing:0;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:15px;}
  .article-title{font-size:24px;line-height:1.35;}
  .article-panel{padding:22px 16px;}
  .article-body h2{font-size:19.5px;}
  .article-body table{font-size:14px;}
  .post-body{padding:18px 18px 20px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .article-meta{gap:8px 10px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand:#E85C2A;
  --brand-2:#FF8A3D;
  --green-deep:#0F3D2E;
  --green-mid:#17513D;
  --green-soft:#EAF2ED;
  --gold:#FFC24B;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --ink:#1A1F1C;
  --muted:#5C6660;
  --line:#E7E1D8;
  --warm-soft:#FFF3E9;
  --warm-tint:#FFF7F1;
  --placeholder:#EFEAE3;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-card:0 1px 2px rgba(26,31,28,.04),0 8px 24px rgba(26,31,28,.06);
  --shadow-hover:0 12px 32px rgba(232,92,42,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(232,92,42,.35);outline-offset:3px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,246,241,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(26,31,28,.06);
}
.header-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:14px;
  padding-bottom:10px;
}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  font-size:20px;
  font-weight:800;
  display:grid;
  place-items:center;
  box-shadow:0 6px 16px rgba(232,92,42,.28);
}
.brand-text{display:block;min-width:0}
.brand-name{
  display:block;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.25;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-sub{
  display:block;
  font-size:12px;
  color:var(--muted);
  letter-spacing:.02em;
  line-height:1.4;
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.header-nav{padding-bottom:12px}
.nav-tabs{
  display:flex;
  gap:6px;
  background:#F1ECE4;
  padding:6px;
  border-radius:999px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.nav-tabs::-webkit-scrollbar{display:none}
.chip-tab{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  padding:9px 18px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip-tab:hover{background:rgba(255,255,255,.65);color:var(--ink)}
.chip-tab:active{background:rgba(255,255,255,.9)}
.chip-tab.is-active{
  background:#fff;
  color:var(--brand);
  box-shadow:0 2px 8px rgba(26,31,28,.10);
}
.chip-tab.is-active:hover{color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border:0;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1.3;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  box-shadow:0 8px 20px rgba(232,92,42,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,92,42,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(232,92,42,.30)}
.btn-ghost{
  background:#fff;
  color:var(--green-deep);
  border:1.5px solid var(--green-deep);
}
.btn-ghost:hover{background:var(--green-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{
  opacity:.4;
  cursor:not-allowed;
  box-shadow:none;
  transform:none;
  background:#D9D3C9;
  color:#7A817C;
  border-color:transparent;
}
.btn:focus-visible{outline:3px solid rgba(232,92,42,.35);outline-offset:3px}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  padding:26px 0 0;
}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B9B2A8}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:24px 0 72px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 88% 8%,rgba(232,92,42,.10),transparent 46%),
    radial-gradient(circle at 6% 92%,rgba(15,61,46,.09),transparent 44%);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-180px;top:-160px;
  border:1.5px solid rgba(15,61,46,.08);
  border-radius:50%;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
  padding-top:36px;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:var(--warm-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
}
.hero-eyebrow .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);
}
.page-title{
  margin-top:18px;
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
  color:var(--ink);
}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  max-width:32em;
}
.hero-note{
  margin-top:12px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--muted);
  max-width:34em;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.hero-visual{position:relative;padding-bottom:40px}
.hero-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--placeholder);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-badges{
  position:absolute;
  left:-8px;
  bottom:0;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.stat-badge{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:10px 16px;
  box-shadow:0 8px 24px rgba(26,31,28,.10);
  min-width:104px;
}
.stat-num{
  display:block;
  font-size:20px;
  font-weight:800;
  line-height:1.2;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.stat-label{
  display:block;
  font-size:12.5px;
  color:var(--muted);
  line-height:1.4;
  margin-top:2px;
}

/* ---------- 通用板块 ---------- */
.section{padding:0 0 96px}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-title{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.section-sub{
  margin-top:10px;
  font-size:15px;
  color:var(--muted);
  max-width:46em;
  line-height:1.75;
}
.section-link{
  flex:0 0 auto;
  font-size:14.5px;
  font-weight:700;
  color:var(--brand);
  transition:color .18s ease,transform .18s ease;
}
.section-link:hover{color:#C64A20;transform:translateX(2px)}

/* ---------- 指标带 ---------- */
.metric-band{
  background:linear-gradient(135deg,var(--green-deep),var(--green-mid));
  border-radius:var(--r-lg);
  padding:34px 36px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.metric-band::after{
  content:"";
  position:absolute;
  width:340px;height:340px;
  right:-120px;bottom:-200px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:50%;
  pointer-events:none;
}
.metric{position:relative;z-index:1}
.metric-num{
  display:block;
  font-size:30px;
  font-weight:800;
  line-height:1.2;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.metric-label{
  display:block;
  margin-top:6px;
  font-size:13px;
  line-height:1.55;
  color:rgba(255,255,255,.74);
}

/* ---------- 权益对比 ---------- */
.compare-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:36px;
  align-items:start;
}
.group-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:700;
  margin-bottom:16px;
}
.group-title::before{
  content:"";
  width:4px;height:20px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.group-title + .group-title{margin-top:36px}
.table-wrap{
  border-radius:20px;
  border:1px solid var(--line);
  background:var(--card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.table-wrap + .group-title{margin-top:40px}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{
  width:100%;
  border-collapse:collapse;
  min-width:660px;
}
thead th{
  background:linear-gradient(135deg,var(--green-deep),var(--green-mid));
  color:#fff;
  font-size:14px;
  font-weight:700;
  text-align:center;
  padding:16px 14px;
  line-height:1.5;
  vertical-align:middle;
}
thead th:first-child{text-align:left;padding-left:22px}
thead th.is-reco{
  background:linear-gradient(135deg,#B4431B,#E85C2A);
  position:relative;
}
.th-inner{display:flex;flex-direction:column;align-items:center;gap:6px}
.badge-gold{
  display:inline-flex;
  align-items:center;
  padding:2px 10px;
  border-radius:999px;
  background:var(--gold);
  color:#4A3208;
  font-size:11.5px;
  font-weight:800;
  letter-spacing:.04em;
}
tbody td{
  padding:15px 14px;
  border-top:1px solid var(--line);
  font-size:14.5px;
  text-align:center;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
tbody td:first-child{
  text-align:left;
  padding-left:22px;
  font-weight:600;
  color:var(--ink);
}
tbody tr{transition:background .16s ease}
tbody tr:hover{background:var(--warm-tint)}
tbody td.is-reco{background:rgba(255,194,75,.10)}
tbody tr:hover td.is-reco{background:rgba(255,194,75,.18)}
.mark-yes{color:#1E7A4F;font-weight:800;font-size:16px}
.mark-no{color:#BDB6AC;font-weight:700}
.tfoot-row td{
  border-top:1px solid var(--line);
  padding:18px 14px;
  background:#FCFAF7;
}
.tfoot-row td:first-child{
  font-weight:700;
  color:var(--muted);
  font-size:14px;
}
.tfoot-row .btn{width:100%;padding:10px 14px;font-size:13.5px}

.compare-side{position:relative}
.side-card{
  position:sticky;
  top:96px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--shadow-card);
}
.side-card h3{
  font-size:18px;
  font-weight:700;
  line-height:1.4;
}
.side-card .side-tag{
  display:inline-flex;
  padding:4px 12px;
  border-radius:999px;
  background:var(--warm-soft);
  color:var(--brand);
  font-size:12.5px;
  font-weight:700;
  margin-bottom:12px;
}
.side-list{margin-top:18px;display:grid;gap:12px}
.side-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
}
.side-list li::before{
  content:"";
  flex:0 0 7px;
  height:7px;
  margin-top:9px;
  border-radius:50%;
  background:var(--brand);
}
.side-card .btn{width:100%;margin-top:22px}
.side-note{
  margin-top:16px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--muted);
  padding-top:16px;
  border-top:1px dashed var(--line);
}

/* ---------- 场景卡片 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.content-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.content-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(232,92,42,.35);
}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  background:var(--placeholder);
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.content-card:hover .card-media img{transform:scale(1.04)}
.card-chip{
  position:absolute;
  left:14px;
  top:14px;
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--green-deep);
  font-size:12.5px;
  font-weight:700;
}
.card-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.card-title{
  font-size:18px;
  font-weight:700;
  line-height:1.4;
}
.card-text{
  margin-top:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
  flex:1;
}
.card-meta{
  margin-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.level-tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  background:var(--green-soft);
  color:var(--green-deep);
  font-size:12.5px;
  font-weight:700;
}
.level-tag.is-gold{
  background:#FFF4DC;
  color:#8A5B00;
}
.card-arrow{
  font-size:13.5px;
  font-weight:700;
  color:var(--brand);
}

/* ---------- 提示条 ---------- */
.hint-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  background:var(--warm-soft);
  border:1px solid rgba(232,92,42,.18);
  border-radius:var(--r-md);
  padding:20px 26px;
}
.hint-bar p{
  font-size:14.5px;
  line-height:1.7;
  color:#7A3E1E;
}
.hint-bar a{
  font-size:14.5px;
  font-weight:700;
  color:var(--brand);
  white-space:nowrap;
  transition:color .18s ease,transform .18s ease;
}
.hint-bar a:hover{color:#C64A20;transform:translateX(2px)}

/* ---------- 流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.step{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.step-index{
  display:inline-grid;
  place-items:center;
  width:38px;height:38px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  font-size:15px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.step h3{
  margin-top:16px;
  font-size:17px;
  font-weight:700;
  line-height:1.4;
}
.step p{
  margin-top:8px;
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,var(--green-deep),var(--green-mid));
  border-radius:var(--r-lg);
  padding:48px 52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  color:#fff;
}
.cta-band::after{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-140px;bottom:-260px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:50%;
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:36em}
.cta-copy h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
}
.cta-copy p{
  margin-top:12px;
  font-size:15px;
  line-height:1.75;
  color:rgba(255,255,255,.78);
}
.cta-form{
  position:relative;
  z-index:1;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
}
.field{
  display:flex;
  align-items:center;
  background:rgba(255,255,255,.96);
  border-radius:999px;
  padding:4px 6px 4px 20px;
  border:1.5px solid transparent;
  transition:border-color .18s ease,box-shadow .18s ease;
  min-width:240px;
}
.field:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(232,92,42,.18);
}
.field input{
  border:0;
  background:transparent;
  outline:none;
  padding:12px 8px 12px 0;
  font-size:15px;
  width:100%;
  color:var(--ink);
}
.field input::placeholder{color:#9A938A}
.form-hint{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.7;
  color:rgba(255,255,255,.62);
  position:relative;
  z-index:1;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green-deep);
  color:#fff;
  margin-top:96px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.15fr 2fr;
  gap:56px;
  padding:64px 0 48px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.6)}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  max-width:26em;
}
.footer-contact{
  margin-top:16px;
  font-size:13.5px;
  line-height:1.9;
  color:rgba(255,255,255,.6);
}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  padding:6px 0;
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:var(--gold);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 32px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:620px}
  .metric-band{grid-template-columns:repeat(2,1fr);padding:30px}
  .compare-layout{grid-template-columns:1fr}
  .side-card{position:static}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:40px;flex-direction:column;align-items:flex-start;gap:28px}
  .footer-top{grid-template-columns:1fr;gap:40px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .header-top{padding-top:12px;padding-bottom:8px}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:18px}
  .brand-name{font-size:15.5px}
  .brand-sub{font-size:11.5px}
  .header-actions .btn{padding:10px 18px;font-size:14px}
  .page-hero{padding:16px 0 56px}
  .hero-grid{padding-top:26px;gap:32px}
  .hero-lead{font-size:16px}
  .hero-badges{position:static;margin-top:16px}
  .hero-visual{padding-bottom:0}
  .section{padding-bottom:64px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .metric-band{grid-template-columns:1fr 1fr;gap:20px;padding:26px 22px;border-radius:var(--r-md)}
  .metric-num{font-size:24px}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-band{padding:32px 24px;border-radius:var(--r-md)}
  .cta-form{width:100%;flex-direction:column;align-items:stretch}
  .field{width:100%}
  .cta-form .btn{width:100%}
  .hint-bar{padding:18px 20px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:24px}
  .site-footer{margin-top:64px}
  .footer-top{padding:48px 0 36px}
}
@media (max-width:520px){
  .page-title{font-size:28px}
  .metric-band{grid-template-columns:1fr 1fr}
  .footer-cols{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-actions .btn{width:100%}
  .breadcrumb{font-size:12.5px}
}

/* roulang page: category2 */
:root{
  --brand:#E85C2A;
  --brand-2:#FF8A3D;
  --green:#0F3D2E;
  --green-2:#17513D;
  --gold:#FFC24B;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --ink:#1A1F1C;
  --muted:#5C6660;
  --line:#E7E1D8;
  --warm:#FFF3E9;
  --mint:#EAF2ED;
  --ph:#EFEAE3;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(26,31,28,.04),0 8px 24px rgba(26,31,28,.06);
  --sh-h:0 12px 32px rgba(232,92,42,.14);
  --sp:96px;
  --grad-brand:linear-gradient(135deg,#E85C2A 0%,#FF8A3D 100%);
  --grad-green:linear-gradient(140deg,#0F3D2E 0%,#17513D 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(232,92,42,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sp) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.01em}
.section-head p{color:var(--muted);font-size:15px;max-width:620px;margin-top:10px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);background:var(--warm);padding:6px 14px;border-radius:var(--r-pill);letter-spacing:.02em}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(250,246,241,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(26,31,28,.06)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0 12px}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:44px;height:44px;flex:none;border-radius:14px;background:var(--grad-brand);color:#fff;font-weight:800;font-size:19px;display:grid;place-items:center;box-shadow:0 8px 18px rgba(232,92,42,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.01em}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.04em}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);font-weight:700;letter-spacing:.02em;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap}
.btn-primary{background:var(--grad-brand);color:#fff;padding:13px 26px;box-shadow:0 8px 20px rgba(232,92,42,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,92,42,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(232,92,42,.24)}
.btn-ghost{background:#fff;border:1.5px solid var(--green);color:var(--green);padding:11px 24px}
.btn-ghost:hover{background:var(--mint);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;filter:saturate(.4);cursor:not-allowed;transform:none}
.nav-tabs{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding:6px;margin-bottom:10px;background:#F1ECE4;border-radius:var(--r-pill)}
.nav-tabs::-webkit-scrollbar{display:none}
.chip-tab{flex:none;padding:9px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--muted);transition:background .18s ease,color .18s ease,box-shadow .18s ease}
.chip-tab:hover{background:rgba(255,255,255,.7);color:var(--ink)}
.chip-tab:active{transform:translateY(1px)}
.chip-tab.is-active{background:#fff;color:var(--brand);box-shadow:0 2px 8px rgba(26,31,28,.08)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 72px}
.hero::before{content:"";position:absolute;inset:0 0 auto;height:8px;background:var(--grad-brand)}
.hero::after{content:"";position:absolute;right:-160px;top:60px;width:560px;height:560px;border-radius:50%;border:1px solid rgba(15,61,46,.06);box-shadow:0 0 0 40px rgba(15,61,46,.02),0 0 0 90px rgba(15,61,46,.015);pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B9B2A7}
.crumb .now{color:var(--ink);font-weight:600}
.hero h1{font-size:48px;line-height:1.2;font-weight:800;letter-spacing:-.01em;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:17px;color:var(--muted);max-width:540px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.stat-badge{background:var(--warm);border-radius:var(--r-sm);padding:12px 18px;min-width:118px}
.stat-badge b{display:block;font-size:22px;font-weight:800;color:var(--brand);line-height:1.2}
.stat-badge span{font-size:13px;color:var(--muted)}
.hero-panel{position:relative}
.hero-photo{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--ph) url("/assets/images/backpic/back-2.webp") center/cover no-repeat;aspect-ratio:4/3;box-shadow:var(--sh)}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,61,46,.05) 0%,rgba(15,61,46,.55) 100%)}
.ladder-mini{position:absolute;left:20px;right:20px;bottom:20px;background:rgba(255,255,255,.96);border-radius:var(--r-md);padding:18px 20px;box-shadow:0 18px 40px rgba(15,61,46,.24)}
.ladder-mini h3{font-size:14px;font-weight:700;color:var(--green);margin-bottom:12px;letter-spacing:.02em}
.mini-row{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:13px}
.mini-row:last-child{margin-bottom:0}
.mini-row .nm{width:78px;flex:none;color:var(--ink);font-weight:600}
.mini-bar{flex:1;height:8px;border-radius:var(--r-pill);background:#EFEAE3;overflow:hidden}
.mini-bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--grad-brand)}
.mini-row .val{width:56px;text-align:right;color:var(--muted)}
.mini-row.is-top .nm{color:var(--brand)}
.mini-row.is-top .mini-bar i{background:linear-gradient(135deg,#E85C2A 0%,#FFC24B 100%)}

/* ---------- level quick cards ---------- */
.level-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:start}
.level-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(232,92,42,.35)}
.level-card:nth-child(2){margin-top:16px}
.level-card:nth-child(3){margin-top:32px}
.level-card:nth-child(4){margin-top:48px;border-color:rgba(232,92,42,.5);box-shadow:0 12px 30px rgba(232,92,42,.12)}
.lvl-tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--green);background:var(--mint);padding:4px 12px;border-radius:var(--r-pill);margin-bottom:14px}
.level-card:nth-child(4) .lvl-tag{background:var(--warm);color:var(--brand)}
.level-card h3{font-size:21px;font-weight:700;margin-bottom:8px}
.level-card .need{font-size:13px;color:var(--muted);margin-bottom:14px}
.level-card .need b{color:var(--brand);font-size:15px}
.level-card p{font-size:14px;line-height:1.7;color:var(--muted)}
.gold-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;color:#6B4A00;background:var(--gold);padding:4px 12px;border-radius:var(--r-pill);margin-left:8px}

/* ---------- ladder ---------- */
.ladder-wrap{display:grid;grid-template-columns:1fr;gap:0}
.ladder{position:relative}
.ladder-item{display:grid;grid-template-columns:88px 1fr;gap:28px;padding-bottom:28px;position:relative}
.ladder-item:last-child{padding-bottom:0}
.ladder-rail{position:relative;display:flex;justify-content:center;align-items:flex-start}
.ladder-rail::before{content:"";position:absolute;top:56px;bottom:-28px;width:2px;background:linear-gradient(180deg,rgba(232,92,42,.5),rgba(232,92,42,.12))}
.ladder-item:last-child .ladder-rail::before{display:none}
.ladder-dot{position:relative;z-index:1;width:56px;height:56px;border-radius:50%;background:#fff;border:2px solid var(--brand);color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 6px 16px rgba(232,92,42,.16)}
.ladder-item.is-top .ladder-dot{background:linear-gradient(135deg,#E85C2A 0%,#FFC24B 100%);border-color:transparent;color:#fff;box-shadow:0 10px 24px rgba(232,92,42,.3)}
.ladder-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh);transition:box-shadow .2s ease,transform .2s ease}
.ladder-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.ladder-item.is-top .ladder-card{border-color:rgba(232,92,42,.45);background:linear-gradient(180deg,#FFF9F3 0%,#FFFFFF 60%)}
.ladder-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.ladder-head h3{font-size:22px;font-weight:700}
.ladder-card>p{font-size:15px;color:var(--muted);margin-bottom:18px;max-width:720px}
.check-list{display:grid;gap:10px;margin-bottom:20px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink)}
.check-list li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:8px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg);border-radius:1px}
.ladder-meta{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:16px}
.ladder-meta span{background:#F7F3ED;padding:6px 14px;border-radius:var(--r-pill)}
.ladder-meta b{color:var(--ink);font-weight:700}

/* ---------- dark band ---------- */
.band{background:var(--grad-green);color:#fff;position:relative;overflow:hidden}
.band::before{content:"";position:absolute;right:-120px;bottom:-200px;width:520px;height:520px;border-radius:50%;border:1px solid rgba(255,255,255,.14)}
.band::after{content:"";position:absolute;left:-80px;top:-140px;width:340px;height:340px;border-radius:50%;border:1px solid rgba(255,255,255,.1)}
.band .container{position:relative;z-index:1}
.band .section-head h2{color:#fff}
.band .section-head p{color:rgba(255,255,255,.72)}
.band .eyebrow{background:rgba(255,255,255,.12);color:#FFD79A}
.band .eyebrow::before{background:var(--gold)}
.gain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.gain-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);padding:24px;transition:background .2s ease,transform .2s ease}
.gain-card:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.gain-card b{display:block;font-size:28px;font-weight:800;color:var(--gold);line-height:1.2;margin-bottom:6px}
.gain-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.gain-card p{font-size:14px;color:rgba(255,255,255,.74)}

/* ---------- rules ---------- */
.rules-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.rule-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh)}
.rule-card h3{font-size:20px;font-weight:700;margin-bottom:14px}
.rule-card>p{font-size:15px;color:var(--muted);margin-bottom:18px}
.rule-note{background:var(--warm);border-radius:var(--r-sm);padding:16px 18px;font-size:14px;color:#8A4A22;line-height:1.7}
.table-wrap{border:1px solid var(--line);border-radius:20px;overflow-x:auto;background:#fff;box-shadow:var(--sh)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:14px}
caption{caption-side:top;text-align:left;padding:18px 20px 0;font-size:14px;font-weight:700;color:var(--ink)}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
thead th{background:var(--grad-green);color:#fff;font-weight:700;font-size:13.5px;letter-spacing:.02em;border-bottom:none}
tbody tr{transition:background .16s ease}
tbody tr:hover{background:#FFF7F1}
tbody tr:last-child td{border-bottom:none}
td b{color:var(--brand)}

/* ---------- faq ---------- */
.faq-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:22px 28px;text-align:left;font-size:16.5px;font-weight:700;color:var(--ink);transition:background .18s ease,color .18s ease}
.faq-q:hover{background:#FFF9F3;color:var(--brand)}
.faq-q .idx{font-size:14px;color:var(--brand);font-weight:800;min-width:26px}
.faq-q .plus{margin-left:auto;flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line);position:relative;transition:transform .25s ease,border-color .2s ease}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--brand);border-radius:2px;left:50%;top:50%;transform:translate(-50%,-50%)}
.faq-q .plus::before{width:11px;height:2px}
.faq-q .plus::after{width:2px;height:11px;transition:opacity .2s ease}
.faq-q[aria-expanded="true"]{color:var(--brand)}
.faq-q[aria-expanded="true"] .plus{transform:rotate(180deg);border-color:rgba(232,92,42,.4)}
.faq-q[aria-expanded="true"] .plus::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 28px 24px 70px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.rel-thumb{aspect-ratio:16/9;background:var(--ph);overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body .tag{align-self:flex-start;font-size:12px;font-weight:700;color:var(--brand);background:var(--warm);padding:4px 12px;border-radius:var(--r-pill)}
.rel-body h3{font-size:18px;font-weight:700;line-height:1.4}
.rel-body p{font-size:14px;color:var(--muted);flex:1}
.rel-link{font-size:14px;font-weight:700;color:var(--green);display:inline-flex;align-items:center;gap:6px}
.rel-card:hover .rel-link{color:var(--brand)}
.rel-link::after{content:"›";font-size:18px;line-height:1}

/* ---------- cta ---------- */
.cta-card{position:relative;overflow:hidden;background:var(--grad-green);border-radius:var(--r-lg);padding:56px;color:#fff;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.cta-card::before{content:"";position:absolute;right:-120px;top:-160px;width:440px;height:440px;border:1px solid rgba(255,255,255,.16);border-radius:50%}
.cta-card::after{content:"";position:absolute;left:42%;bottom:-200px;width:460px;height:460px;border:1px solid rgba(255,255,255,.1);border-radius:50%}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:34px;font-weight:800;line-height:1.25;letter-spacing:-.01em;margin-bottom:14px}
.cta-copy p{font-size:15.5px;color:rgba(255,255,255,.78);max-width:440px}
.cta-form{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-md);padding:16px}
.cta-form input{flex:1;min-width:180px;background:#fff;border:2px solid transparent;border-radius:var(--r-pill);padding:13px 20px;font-size:15px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease}
.cta-form input::placeholder{color:#9AA39D}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(232,92,42,.2)}
.cta-form .btn-primary{flex:none}
.form-tip{flex:1 0 100%;font-size:12.5px;color:rgba(255,255,255,.6);padding-left:6px}
.form-msg{flex:1 0 100%;font-size:13px;font-weight:700;color:var(--gold);padding-left:6px;display:none}
.form-msg.is-show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--green);color:rgba(255,255,255,.8);padding:72px 0 28px;margin-top:var(--sp)}
.footer-top{display:grid;grid-template-columns:1.1fr 2fr;gap:56px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:18px;max-width:330px;color:rgba(255,255,255,.68)}
.footer-contact{margin-top:14px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.68);padding:6px 0;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .level-cards{grid-template-columns:repeat(2,1fr)}
  .level-card:nth-child(2),.level-card:nth-child(3),.level-card:nth-child(4){margin-top:0}
  .gain-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  :root{--sp:72px}
  .container{padding:0 24px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:40px}
  .hero::after{display:none}
  .rules-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:40px;gap:28px}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .section-head h2{font-size:29px}
}
@media (max-width:768px){
  :root{--sp:56px}
  .container{padding:0 18px}
  .header-top{padding:12px 0 10px;gap:12px}
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:17px}
  .brand-name{font-size:15.5px}
  .brand-sub{display:none}
  .header-actions .btn-primary{padding:10px 18px;font-size:14px}
  .chip-tab{padding:8px 14px;font-size:13.5px}
  .hero{padding:36px 0 52px}
  .hero h1{font-size:31px}
  .hero-lead{font-size:15.5px}
  .hero-badges{gap:10px}
  .stat-badge{padding:10px 14px;min-width:0;flex:1 1 96px}
  .stat-badge b{font-size:19px}
  .level-cards{grid-template-columns:1fr}
  .ladder-item{grid-template-columns:52px 1fr;gap:16px}
  .ladder-dot{width:44px;height:44px;font-size:15px}
  .ladder-card{padding:22px}
  .ladder-head h3{font-size:19px}
  .gain-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .cta-card{padding:30px 24px;border-radius:var(--r-md)}
  .cta-copy h2{font-size:26px}
  .cta-form{padding:12px;gap:10px}
  .cta-form input{min-width:100%}
  .cta-form .btn-primary{width:100%}
  .faq-q{padding:18px 20px;font-size:15.5px;gap:12px}
  .faq-a p{padding:0 20px 20px 58px}
  .section-head{margin-bottom:26px}
  .section-head h2{font-size:25px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:24px}
  .site-footer{padding:52px 0 24px;margin-top:56px}
}
@media (max-width:480px){
  .hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .footer-cols{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .ladder-meta span{font-size:12px}
}

/* roulang page: category3 */
:root{
  --brand:#E85C2A;
  --brand-2:#FF8A3D;
  --brand-soft:#FFF3E9;
  --green:#0F3D2E;
  --green-2:#17513D;
  --green-soft:#EAF2ED;
  --gold:#FFC24B;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --ink:#1A1F1C;
  --muted:#5C6660;
  --line:#E7E1D8;
  --placeholder:#EFEAE3;
  --r-xl:24px;
  --r-lg:18px;
  --r-sm:14px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(26,31,28,.04),0 8px 24px rgba(26,31,28,.06);
  --shadow-2:0 12px 32px rgba(232,92,42,.14);
  --grad-brand:linear-gradient(135deg,#E85C2A 0%,#FF8A3D 100%);
  --grad-green:linear-gradient(150deg,#0F3D2E 0%,#17513D 100%);
  --section:96px;
  --f-num:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{letter-spacing:-.01em;line-height:1.25}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(232,92,42,.35);
  outline-offset:3px;
  border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.top-stripe{height:8px;background:var(--grad-brand)}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,246,241,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(26,31,28,.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:14px 0;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  display:grid;place-items:center;
  border-radius:13px;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:19px;
  box-shadow:0 6px 16px rgba(232,92,42,.28);
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-sub{font-size:12px;color:var(--muted);line-height:1.5}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:var(--r-sm);
  cursor:pointer;
  transition:border-color .18s ease,background .18s ease;
}
.menu-toggle:hover{border-color:var(--green);background:var(--green-soft)}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,top .2s ease;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

.nav-wrap{padding-bottom:12px}
.nav-tabs{
  display:flex;
  gap:6px;
  padding:6px;
  background:#F1ECE4;
  border-radius:var(--pill);
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none}
.chip-tab{
  padding:9px 18px;
  border-radius:var(--pill);
  font-size:14px;
  color:var(--muted);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip-tab:hover{background:rgba(255,255,255,.65);color:var(--ink)}
.chip-tab.is-active{
  background:#fff;
  color:var(--brand);
  font-weight:700;
  box-shadow:0 1px 2px rgba(26,31,28,.06),0 4px 12px rgba(26,31,28,.08);
}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  border-radius:var(--pill);
  font-size:15px;font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  text-align:center;
}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 8px 20px rgba(232,92,42,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(232,92,42,.3)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(232,92,42,.24)}
.btn-primary:disabled{opacity:.4;filter:saturate(.4);cursor:not-allowed;transform:none}
.btn-secondary{
  background:#fff;
  color:var(--green);
  border-color:var(--green);
}
.btn-secondary:hover{background:var(--green-soft);transform:translateY(-2px)}
.btn-secondary:active{transform:translateY(1px)}
.btn-ghost-light{
  background:rgba(255,255,255,.1);
  color:#fff;
  border-color:rgba(255,255,255,.4);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-ghost-light:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--grad-green);
  color:#fff;
  padding:48px 0 76px;
}
.page-hero::before{
  content:"";
  position:absolute;
  width:820px;height:820px;
  right:-260px;top:-320px;
  border:1px solid rgba(255,255,255,.07);
  border-radius:50%;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  left:-180px;bottom:-260px;
  border:1px solid rgba(255,255,255,.06);
  border-radius:50%;
  pointer-events:none;
}
.breadcrumb{
  position:relative;
  display:flex;align-items:center;gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-bottom:26px;
  flex-wrap:wrap;
}
.breadcrumb a{color:rgba(255,255,255,.78);transition:color .18s ease}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.breadcrumb .current{color:#fff}
.page-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--pill);
  background:rgba(255,194,75,.16);
  border:1px solid rgba(255,194,75,.4);
  color:var(--gold);
  font-size:13px;font-weight:700;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,3.4vw,46px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
}
.page-hero .lead{
  margin-top:16px;
  font-size:17px;
  line-height:1.7;
  color:rgba(255,255,255,.82);
  max-width:34ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stat-badge{
  padding:12px 18px;
  border-radius:16px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);
  min-width:118px;
}
.stat-num{
  font-size:21px;font-weight:800;
  font-variant-numeric:tabular-nums;
  color:#fff;line-height:1.2;
}
.stat-label{font-size:12.5px;color:rgba(255,255,255,.7);line-height:1.5}
.page-hero-media{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  box-shadow:0 24px 60px rgba(0,0,0,.24);
}
.page-hero-media img{
  width:100%;height:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}

/* ============ Section basics ============ */
.section{padding:var(--section) 0}
.section-alt{padding:var(--section) 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:36px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:62ch}
.link-more{
  font-size:14px;font-weight:700;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .18s ease,color .18s ease;
}
.link-more:hover{gap:10px;color:#c94a1e}

/* ============ Filter row ============ */
.filter-row{
  display:flex;gap:8px;overflow-x:auto;
  padding:0 0 6px;
  scrollbar-width:none;-ms-overflow-style:none;
  margin-bottom:32px;
}
.filter-row::-webkit-scrollbar{display:none}
.filter-chip{
  padding:9px 18px;border-radius:var(--pill);
  background:#fff;border:1.5px solid var(--line);
  color:var(--muted);font-size:14px;white-space:nowrap;
  transition:all .18s ease;
}
.filter-chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.filter-chip.is-active{
  background:var(--green);border-color:var(--green);color:#fff;font-weight:700;
}

/* ============ Content grid ============ */
.content-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.content-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(232,92,42,.3)}
.thumb{
  position:relative;
  aspect-ratio:16/10;
  background:var(--placeholder);
  overflow:hidden;
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.content-card:hover .thumb img{transform:scale(1.04)}
.level-badge{
  position:absolute;top:12px;left:12px;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12px;font-weight:700;
  background:#fff;color:var(--green);
  box-shadow:0 2px 8px rgba(26,31,28,.14);
  z-index:2;
}
.level-badge.is-open{color:#2C7A56;background:#EAF7F0}
.level-badge.is-silver{color:#4B5A63;background:#EFF3F5}
.level-badge.is-gold{color:var(--brand);background:var(--brand-soft)}
.level-badge.is-diamond{color:#6B4A00;background:var(--gold)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-tag{
  align-self:flex-start;
  padding:4px 12px;border-radius:var(--pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:700;
}
.card-body h3{font-size:20px;font-weight:700;line-height:1.4}
.card-desc{font-size:14.5px;line-height:1.7;color:var(--muted)}
.card-foot{
  margin-top:auto;padding-top:14px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
  border-top:1px solid var(--line);
}
.card-foot .go{color:var(--brand);font-weight:700}
.content-card.is-locked .thumb img{filter:blur(7px) saturate(.85) brightness(.86);transform:scale(1.08)}
.content-card.is-locked:hover .thumb img{transform:scale(1.12)}
.lock-overlay{
  position:absolute;inset:0;z-index:2;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  background:rgba(15,61,46,.34);
  color:#fff;text-align:center;padding:16px;
}
.lock-overlay svg{width:26px;height:26px;opacity:.95}
.lock-tip{
  font-size:13px;font-weight:700;
  opacity:0;transform:translateY(6px);
  transition:opacity .22s ease,transform .22s ease;
}
.content-card.is-locked:hover .lock-tip{opacity:1;transform:translateY(0)}
.lock-static{font-size:12.5px;color:rgba(255,255,255,.82)}

/* ============ Split block ============ */
.split{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:48px;
  align-items:start;
}
.split-copy h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;margin-bottom:16px}
.split-copy p{color:var(--muted);font-size:15.5px;line-height:1.8;margin-bottom:16px}
.split-copy .btn{margin-top:8px}
.topic-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:12px;box-shadow:var(--shadow-1);
}
.topic-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px;
  border-radius:var(--r-lg);
  transition:background .18s ease;
}
.topic-item:hover{background:var(--brand-soft)}
.topic-num{
  flex:0 0 40px;width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--green-soft);
  color:var(--green);font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.topic-item h3{font-size:17px;font-weight:700;margin-bottom:4px}
.topic-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ============ Timeline ============ */
.timeline{position:relative;padding-left:34px;max-width:860px}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(232,92,42,.15) 100%);
  border-radius:2px;
}
.timeline-item{position:relative;padding-bottom:22px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-31px;top:16px;
  width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.timeline-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.timeline-card:hover{transform:translateX(4px);box-shadow:var(--shadow-2)}
.timeline-card h3{font-size:17px;font-weight:700;margin-bottom:6px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.time-tag{
  font-size:12.5px;font-weight:700;color:var(--green);
  background:var(--green-soft);padding:3px 10px;border-radius:var(--pill);
}
.timeline-card p{font-size:14.5px;color:var(--muted);line-height:1.7}

/* ============ FAQ ============ */
.faq-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:8px 28px;
  box-shadow:var(--shadow-1);
  max-width:900px;
  margin:0 auto;
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:14px;
  padding:22px 0;
  background:none;border:none;
  text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:700;color:var(--ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-idx{
  font-size:13px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.faq-q .qtext{flex:1;min-width:0;line-height:1.6}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;position:relative;
  transition:transform .28s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;transition:opacity .2s ease}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{
  font-size:15px;color:var(--muted);line-height:1.8;
  padding:0 0 24px 32px;
}

/* ============ CTA banner ============ */
.cta-wrap{padding:0 0 var(--section)}
.cta-banner{
  position:relative;overflow:hidden;
  background:var(--grad-green);
  border-radius:var(--r-xl);
  padding:48px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;align-items:center;
  color:#fff;
  box-shadow:0 20px 48px rgba(15,61,46,.24);
}
.cta-banner::before{
  content:"";position:absolute;
  width:560px;height:560px;right:-200px;bottom:-300px;
  border:1px solid rgba(255,255,255,.1);border-radius:50%;
}
.cta-banner h2{font-size:clamp(23px,2.5vw,32px);font-weight:700;margin-bottom:12px}
.cta-banner p{font-size:15px;color:rgba(255,255,255,.8);line-height:1.75;max-width:40ch}
.join-form{
  position:relative;z-index:2;
  display:flex;gap:8px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--pill);
  padding:8px;
}
.join-form input{
  flex:1;min-width:0;
  border:none;background:transparent;
  color:#fff;font-size:15px;
  padding:10px 16px;
  border-radius:var(--pill);
  font-family:inherit;
}
.join-form input::placeholder{color:rgba(255,255,255,.6)}
.join-form input:focus{outline:none;box-shadow:inset 0 0 0 2px rgba(232,92,42,.7);background:rgba(255,255,255,.06)}
.join-form .btn{white-space:nowrap}
.form-note{
  position:relative;z-index:2;
  font-size:12.5px;color:rgba(255,255,255,.62);
  margin-top:14px;
}
.form-msg{font-size:13px;margin-top:10px;color:var(--gold);min-height:18px}

/* ============ Footer ============ */
.site-footer{
  background:var(--grad-green);
  color:rgba(255,255,255,.78);
  padding:72px 0 32px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.1fr 1.6fr;
  gap:48px;
}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.6)}
.footer-brand p{
  font-size:14.5px;line-height:1.8;
  color:rgba(255,255,255,.72);
  margin-top:20px;max-width:36ch;
}
.footer-contact{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.9}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-col h3{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col a{
  display:block;
  font-size:14px;color:rgba(255,255,255,.75);
  padding:5px 0;
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}

/* ============ Responsive ============ */
@media (max-width:1024px){
  :root{--section:72px}
  .container{padding:0 24px}
  .page-hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero .lead{max-width:none}
  .content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:32px}
  .cta-banner{grid-template-columns:1fr;padding:36px}
  .footer-top{grid-template-columns:1fr;gap:36px}
}
@media (max-width:768px){
  :root{--section:56px}
  .header-inner{padding:10px 0;gap:12px}
  .brand-mark{width:38px;height:38px;flex-basis:38px;border-radius:12px;font-size:17px}
  .brand-name{font-size:15px}
  .brand-sub{display:none}
  .menu-toggle{display:flex}
  .nav-wrap{display:none;padding-bottom:14px}
  .nav-wrap.is-open{display:block}
  .nav-tabs{
    flex-direction:column;
    border-radius:var(--r-lg);
    padding:8px;
  }
  .chip-tab{width:100%;text-align:left;padding:12px 16px}
  .page-hero{padding:32px 0 56px}
  .hero-actions .btn{flex:1 1 auto}
  .content-grid{grid-template-columns:1fr}
  .cta-banner{padding:28px 22px;gap:26px}
  .join-form{flex-direction:column;border-radius:var(--r-lg)}
  .join-form input{width:100%;padding:12px 16px;background:rgba(255,255,255,.08);border-radius:var(--r-sm)}
  .join-form .btn{width:100%}
  .faq-card{padding:4px 18px}
  .faq-q{font-size:15.5px;padding:18px 0}
  .faq-a p{padding-left:0;padding-bottom:20px}
  .footer-cols{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .page-hero h1{font-size:27px}
  .hero-stats{gap:8px}
  .stat-badge{flex:1 1 40%;padding:10px 12px;min-width:0}
  .stat-num{font-size:18px}
  .card-body{padding:18px 18px 20px}
  .card-body h3{font-size:18px}
  .footer-cols{grid-template-columns:1fr}
  .timeline{padding-left:26px}
  .timeline-item::before{left:-25px}
  .topic-item{padding:14px;gap:12px}
}

/* roulang page: category4 */
:root{
  --brand:#E85C2A;
  --brand-2:#FF8A3D;
  --brand-soft:#FFF3E9;
  --green:#0F3D2E;
  --green-2:#17513D;
  --green-soft:#EAF2ED;
  --gold:#FFC24B;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --ink:#1A1F1C;
  --ink-soft:#2A322D;
  --muted:#5C6660;
  --line:#E7E1D8;
  --track:#F1ECE4;
  --placeholder:#EFEAE3;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(26,31,28,.04),0 8px 24px rgba(26,31,28,.06);
  --shadow-hover:0 12px 32px rgba(232,92,42,.14);
  --shadow-cta:0 12px 32px rgba(232,92,42,.28);
  --container:1200px;
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",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:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.25em;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid rgba(232,92,42,.35);outline-offset:2px;border-radius:8px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 顶部渐变窄带 ---------- */
.top-strip{
  height:8px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-pill);
  font-weight:700;
  font-size:15px;
  line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  box-shadow:0 4px 14px rgba(232,92,42,.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-cta);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(232,92,42,.24);}
.btn-ghost{
  background:var(--card);
  color:var(--green);
  border:1.5px solid var(--green);
}
.btn-ghost:hover{background:var(--green-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn:disabled,.btn[aria-disabled="true"]{
  opacity:.4;
  filter:saturate(.4);
  cursor:not-allowed;
  transform:none;
  box-shadow:none;
}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  font-size:14px;
  color:var(--brand);
  padding:6px 2px;
  border-radius:8px;
  transition:color .18s ease,gap .18s ease;
}
.btn-text:hover{color:#C44417;gap:10px;}
.btn-text:active{transform:translateY(1px);}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(250,246,241,.94);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease,box-shadow .2s ease,border-color .2s ease;
  backdrop-filter:blur(10px);
}
.site-header.is-stuck{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(26,31,28,.06);
}
.header-inner{padding-top:14px;}
.nav-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.brand-mark{
  width:42px;
  height:42px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  font-weight:800;
  font-size:19px;
  letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(232,92,42,.28);
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-name{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  line-height:1.25;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-sub{
  font-size:12px;
  color:var(--muted);
  letter-spacing:.02em;
  line-height:1.4;
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:14px;
  border:1.5px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  transition:background-color .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--warm-soft,#FFF3E9);border-color:#E0D6C8;}
.nav-toggle:active{transform:translateY(1px);}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--green);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.nav-tabs{
  display:flex;
  align-items:center;
  gap:6px;
  margin:12px 0 14px;
  padding:6px;
  background:var(--track);
  border-radius:var(--radius-pill);
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.chip-tab{
  flex:0 0 auto;
  padding:9px 18px;
  border-radius:var(--radius-pill);
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.chip-tab:hover{background:rgba(255,255,255,.68);color:var(--green);}
.chip-tab:active{transform:translateY(1px);}
.chip-tab.is-active{
  background:#fff;
  color:var(--brand);
  box-shadow:0 2px 8px rgba(26,31,28,.08);
}

.nav-drawer{
  display:none;
  position:absolute;
  left:0;
  right:0;
  top:100%;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 18px 32px rgba(26,31,28,.12);
  padding:14px 18px 20px;
  border-radius:0 0 var(--radius-md) var(--radius-md);
}
.nav-drawer.is-open{display:block;}
.drawer-link{
  display:block;
  padding:13px 14px;
  border-radius:var(--radius-sm);
  font-weight:600;
  font-size:15px;
  color:var(--ink-soft);
  transition:background-color .18s ease,color .18s ease;
}
.drawer-link:hover{background:var(--track);color:var(--green);}
.drawer-link.is-active{background:var(--brand-soft);color:var(--brand);}
.drawer-cta{width:100%;margin-top:10px;}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  padding:34px 0 78px;
  overflow:hidden;
  background-image:linear-gradient(180deg,rgba(250,246,241,.95),rgba(250,246,241,.99)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-160px;
  bottom:-220px;
  width:520px;
  height:520px;
  border:2px solid rgba(232,92,42,.10);
  border-radius:50%;
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:22px;
}
.breadcrumb a{transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B9B2A8;}
.breadcrumb .current{color:var(--ink-soft);font-weight:600;}
.cat-hero-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:48px;
  align-items:center;
  position:relative;
  z-index:2;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--radius-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--brand);
}
.cat-hero h1{
  font-size:48px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
  color:var(--ink);
  margin-bottom:16px;
}
.hero-sub{
  font-size:19px;
  font-weight:700;
  color:var(--green);
  margin-bottom:14px;
}
.hero-desc{
  font-size:16px;
  line-height:1.8;
  color:var(--muted);
  max-width:560px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  list-style:none;
  padding:0;
}
.hero-facts li{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:10px 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  box-shadow:0 1px 2px rgba(26,31,28,.04);
}
.hero-facts b{
  font-size:16px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.hero-facts span{font-size:13px;color:var(--muted);}

.cat-hero-media{position:relative;}
.cat-hero-media img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--placeholder);
  box-shadow:0 18px 40px rgba(26,31,28,.12);
}
.float-badges{
  position:absolute;
  left:-16px;
  bottom:-24px;
  display:flex;
  gap:10px;
  padding:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:0 12px 32px rgba(26,31,28,.12);
}
.float-badges div{
  display:flex;
  flex-direction:column;
  padding:8px 14px;
  border-radius:var(--radius-sm);
  background:var(--brand-soft);
  min-width:92px;
}
.float-badges b{
  font-size:18px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.float-badges span{font-size:12px;color:var(--muted);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:34px;
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.25;
  color:var(--ink);
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--muted);
  max-width:640px;
}

/* ---------- 长文说明区 ---------- */
.rule-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:start;
}
.prose{max-width:820px;}
.prose h2{
  font-size:28px;
  font-weight:700;
  line-height:1.35;
  color:var(--ink);
  letter-spacing:-.01em;
  padding-left:14px;
  border-left:4px solid var(--brand);
  margin:44px 0 16px;
}
.prose h2:first-child{margin-top:0;}
.prose h3{
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  margin:28px 0 10px;
}
.prose p{
  font-size:16px;
  line-height:1.85;
  color:var(--ink-soft);
  margin-bottom:16px;
}
.prose ul,.prose ol{
  margin:0 0 20px;
  padding-left:1.35em;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-soft);
}
.prose li{margin-bottom:9px;}
.prose li::marker{color:var(--brand);font-weight:700;}
.prose strong{color:var(--green);font-weight:700;}
.prose blockquote{
  margin:24px 0;
  padding:20px 24px;
  background:var(--brand-soft);
  border-left:4px solid var(--brand);
  border-radius:var(--radius-sm);
  color:#4A3A2E;
  font-size:15px;
  line-height:1.8;
}
.prose blockquote p{margin:0;color:inherit;font-size:inherit;}
.prose-figure{margin:26px 0 30px;}
.prose-figure img{
  width:100%;
  aspect-ratio:16 / 9;
  object-fit:cover;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--placeholder);
}
.prose-figure figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--muted);
  text-align:center;
}

/* ---------- 右侧快查卡 ---------- */
.side-card{
  position:sticky;
  top:96px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:26px 24px;
}
.side-card h3{
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:14px;
}
.side-levels{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:18px;
}
.level-pill{
  padding:6px 14px;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:700;
  background:var(--track);
  color:var(--green);
}
.level-pill.gold{background:var(--brand-soft);color:var(--brand);}
.side-list{
  list-style:none;
  padding:0;
  margin:0 0 20px;
}
.side-list li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
  margin-bottom:10px;
}
.side-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--brand);
  opacity:.75;
}
.side-card .btn{width:100%;}
.side-note{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:#8A938D;
  text-align:center;
}

/* ---------- 参数表 ---------- */
.table-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.table-scroll{
  overflow-x:auto;
  scrollbar-width:thin;
}
.spec-table{
  min-width:660px;
  font-size:15px;
}
.spec-table caption{
  text-align:left;
  padding:22px 26px 6px;
  font-size:13px;
  color:var(--muted);
  font-weight:400;
}
.spec-table thead th{
  background:linear-gradient(135deg,var(--green),var(--green-2));
  color:#fff;
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:16px 26px;
  white-space:nowrap;
}
.spec-table thead th:last-child{white-space:nowrap;}
.spec-table tbody th{
  text-align:left;
  font-weight:700;
  color:var(--ink);
  padding:16px 26px;
  white-space:nowrap;
  background:#fff;
  border-top:1px solid var(--line);
  width:170px;
}
.spec-table tbody td{
  padding:16px 26px;
  color:var(--ink-soft);
  border-top:1px solid var(--line);
  line-height:1.7;
}
.spec-table tbody td:last-child{
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.spec-table tbody tr{transition:background-color .18s ease;}
.spec-table tbody tr:hover{background:#FFFBF6;}

/* ---------- FAQ ---------- */
.faq-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:10px 28px 24px;
}
.faq-group-title{
  font-size:16px;
  font-weight:700;
  color:var(--green);
  letter-spacing:.02em;
  margin:24px 0 6px;
  padding-left:2px;
}
.faq-group-title:first-child{margin-top:18px;}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:20px 0;
  cursor:pointer;
  list-style:none;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-num{
  flex:0 0 auto;
  font-size:14px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.75;
  min-width:22px;
}
.faq-q{
  flex:1 1 auto;
  font-size:16px;
  font-weight:700;
  line-height:1.7;
  color:inherit;
}
.faq-icon{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1.5px solid var(--line);
  display:grid;
  place-items:center;
  color:var(--green);
  font-size:15px;
  font-weight:700;
  transition:transform .25s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  margin-top:2px;
}
.faq-item[open] .faq-icon{
  transform:rotate(180deg);
  background:var(--brand-soft);
  border-color:rgba(232,92,42,.4);
  color:var(--brand);
}
.faq-body{
  padding:0 0 20px 36px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  animation:fadeIn .22s ease;
}
.faq-body p{margin-bottom:10px;}
.faq-body p:last-child{margin-bottom:0;}
.faq-body strong{color:var(--green);}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 96px;}
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg,var(--green),var(--green-2));
  padding:44px 48px;
  box-shadow:0 20px 44px rgba(15,61,46,.22);
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:36px;
  align-items:center;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;
  top:-120px;
  width:340px;
  height:340px;
  border:1.5px solid rgba(255,255,255,.16);
  border-radius:50%;
  pointer-events:none;
}
.cta-band h2{
  font-size:28px;
  font-weight:700;
  color:#fff;
  letter-spacing:-.01em;
  line-height:1.3;
  margin-bottom:12px;
}
.cta-band p{
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.78);
  max-width:460px;
}
.join-form{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-md);
  padding:16px;
  position:relative;
  z-index:2;
}
.join-form input{
  flex:1 1 180px;
  min-width:0;
  padding:13px 18px;
  border-radius:var(--radius-pill);
  border:1.5px solid transparent;
  background:#fff;
  color:var(--ink);
  font-size:15px;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.join-form input::placeholder{color:#9AA39D;}
.join-form input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(232,92,42,.18);
}
.join-form.is-error input{border-color:#D9534F;box-shadow:0 0 0 4px rgba(217,83,79,.16);}
.join-form .btn-primary{background:#fff;color:var(--brand);box-shadow:none;}
.join-form .btn-primary:hover{background:var(--brand-soft);transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.16);}
.form-tip{
  flex:1 1 100%;
  font-size:13px;
  line-height:1.6;
  color:rgba(255,255,255,.72);
  min-height:20px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(160deg,var(--green),var(--green-2));
  color:rgba(255,255,255,.82);
  padding:64px 0 26px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.1fr 1.6fr;
  gap:48px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.7);
  margin-top:18px;
  max-width:340px;
}
.footer-contact{
  font-size:13px !important;
  color:rgba(255,255,255,.6) !important;
  line-height:1.9 !important;
}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.04em;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.68);
  padding:5px 0;
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:var(--gold);transform:translateX(2px);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .cat-hero h1{font-size:40px;}
  .rule-layout{grid-template-columns:1fr;gap:36px;}
  .side-card{position:static;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .cat-hero{padding:26px 0 62px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px;}
  .cat-hero-media{order:-1;}
  .cat-hero-media img{aspect-ratio:16 / 9;}
  .float-badges{position:static;margin-top:14px;justify-content:space-between;}
  .float-badges div{flex:1 1 0;min-width:0;}
  .section-head h2{font-size:28px;}
  .footer-top{grid-template-columns:1fr;gap:36px;}
  .cta-wrap{padding-bottom:72px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .nav-top{padding-bottom:0;}
  .nav-tabs{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{padding-top:10px;padding-bottom:10px;}
  .brand-mark{width:38px;height:38px;font-size:17px;border-radius:12px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:11px;}
  .nav-cta{padding:9px 16px;font-size:13px;}
  .cat-hero h1{font-size:32px;}
  .hero-sub{font-size:17px;}
  .hero-desc{font-size:15px;}
  .hero-actions .btn{flex:1 1 160px;}
  .hero-facts li{flex:1 1 100%;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .prose h2{font-size:22px;margin-top:34px;}
  .prose h3{font-size:18px;}
  .prose p,.prose ul,.prose ol{font-size:15px;}
  .faq-card{padding:6px 18px 16px;}
  .faq-q{font-size:15px;}
  .faq-body{padding-left:0;}
  .cta-band{padding:28px 22px;border-radius:20px;}
  .cta-band h2{font-size:22px;}
  .join-form{flex-direction:column;}
  .join-form input,.join-form .btn{width:100%;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:22px;}
  .footer-bottom{flex-direction:column;}
  .spec-table caption{padding:18px 18px 4px;}
  .spec-table thead th,.spec-table tbody th,.spec-table tbody td{padding:14px 18px;}
}
@media (max-width:520px){
  .cat-hero h1{font-size:27px;}
  .float-badges{flex-wrap:wrap;padding:10px;}
  .float-badges div{flex:1 1 100%;}
  .footer-cols{grid-template-columns:1fr;}
  .side-card{padding:20px 18px;}
  .btn{padding:12px 22px;font-size:14px;}
}