/* roulang page: index */
/* ============================================================
   01 设计变量
   ============================================================ */
:root{
  --brand:#1E3A32;
  --brand-dark:#14231F;
  --brand-light:#2C5348;
  --copper:#C1743C;
  --copper-light:#E2A468;
  --copper-deep:#A9632F;
  --paper:#F6F2EA;
  --paper-2:#F1EADF;
  --paper-3:#FBF8F2;
  --card:#FFFFFF;
  --white-soft:#FFF9F2;
  --text:#1B1F1D;
  --text-2:#5B6660;
  --text-3:#8A938D;
  --inverse:#F3EFE7;
  --inverse-2:#A9B5AE;
  --line:#E4DED2;
  --divider:#EDE7DB;
  --ring:rgba(193,116,60,.35);
  --ok:#3E6B4F;
  --warn:#B4552F;
  --lock:#8A938D;
  --r-pill:999px;
  --r-card:16px;
  --r-table:14px;
  --r-input:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(20,35,31,.06), 0 12px 32px -14px rgba(20,35,31,.14);
  --shadow-2:0 2px 4px rgba(20,35,31,.08), 0 22px 44px -18px rgba(20,35,31,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms var(--ease);
  --container:1200px;
  --nav-h:64px;
  --gold-line:1px solid rgba(193,116,60,.3);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter",Helvetica,Arial,system-ui,sans-serif;
}

/* ============================================================
   02 Reset / Base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%;}
img{height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,dl,dd,dt,figure{margin:0;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(193,116,60,.22);}

/* ============================================================
   03 排版
   ============================================================ */
h1,.h1{
  font-size:clamp(2rem,4.2vw,3.25rem);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
h2,.h2{
  font-size:clamp(1.5rem,2.4vw,2rem);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.005em;
}
h3,.h3{
  font-size:clamp(1.125rem,1.6vw,1.375rem);
  font-weight:600;
  line-height:1.5;
}
p{font-size:1rem;line-height:1.85;color:var(--text-2);}
p + p{margin-top:.95em;}
.lead{font-size:1.0625rem;line-height:1.85;color:var(--text-2);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-num);
  font-size:.75rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--copper);
  font-weight:600;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;background:var(--copper);opacity:.7;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ============================================================
   04 布局
   ============================================================ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section--tight{padding-top:0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head__left{display:flex;gap:16px;}
.section-head__bar{
  width:4px;
  border-radius:2px;
  background:var(--copper);
  flex:none;
  align-self:stretch;
  min-height:44px;
}
.section-head h2{margin-bottom:8px;}
.section-head p{max-width:620px;font-size:.9375rem;color:var(--text-2);}
.section-link{
  flex:none;
  font-size:.875rem;
  font-weight:600;
  color:var(--copper);
  border-bottom:1px solid rgba(193,116,60,.4);
  padding-bottom:2px;
  transition:color var(--t),border-color var(--t);
}
.section-link:hover{color:var(--copper-deep);border-color:var(--copper-deep);}
.grid{display:grid;gap:24px;}

/* ============================================================
   05 导航（悬浮胶囊）
   ============================================================ */
.nav-wrap{
  position:fixed;
  top:16px;
  left:0;right:0;
  z-index:120;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.nav-pill{
  pointer-events:auto;
  width:min(1200px,100%);
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(246,242,234,.82);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  box-shadow:0 1px 2px rgba(20,35,31,.05),0 14px 30px -22px rgba(20,35,31,.35);
  transition:height var(--t),background var(--t),box-shadow var(--t);
}
.nav-wrap.is-scrolled .nav-pill{
  height:56px;
  background:rgba(246,242,234,.94);
  box-shadow:0 2px 6px rgba(20,35,31,.08),0 18px 36px -22px rgba(20,35,31,.42);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-mark{
  width:32px;height:32px;
  border-radius:9px;
  background:linear-gradient(150deg,var(--copper),var(--copper-deep));
  color:#fff;
  display:grid;
  place-items:center;
  font-family:var(--font-num);
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.02em;
}
.brand-text{
  font-family:var(--font-num);
  font-weight:700;
  font-size:1.0625rem;
  letter-spacing:.02em;
  color:var(--brand);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:12px;
  flex:1;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:.9375rem;
  font-weight:500;
  color:var(--text-2);
  transition:color var(--t),background var(--t);
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:rgba(30,58,50,.06);}
.nav-link.is-active{color:var(--copper);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  transform:translateX(-50%);
  width:4px;height:4px;
  border-radius:50%;
  background:var(--copper);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:none;}
.nav-login{
  font-size:.9375rem;
  font-weight:500;
  color:var(--text-2);
  transition:color var(--t);
}
.nav-login:hover{color:var(--brand);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:16px;height:1.75px;
  background:var(--brand);
  border-radius:2px;
  position:relative;
  transition:transform var(--t),opacity var(--t);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:16px;height:1.75px;
  background:var(--brand);
  border-radius:2px;
  transition:transform var(--t),opacity var(--t);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-toggle.is-open span{transform:rotate(45deg);}
.nav-toggle.is-open span::before{transform:translateY(5px) rotate(-90deg);}
.nav-toggle.is-open span::after{opacity:0;}

/* 移动端面板 */
.mobile-panel{
  position:fixed;
  inset:0;
  z-index:110;
  background:var(--paper);
  padding:100px 20px 24px;
  display:flex;
  flex-direction:column;
  gap:4px;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mobile-panel.is-open{opacity:1;transform:translateY(0);visibility:visible;}
.mobile-panel a.m-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:56px;
  padding:0 4px;
  border-bottom:1px solid var(--divider);
  font-size:1.0625rem;
  font-weight:600;
  color:var(--brand);
}
.mobile-panel a.m-link.is-active{color:var(--copper);}
.mobile-panel a.m-link svg{stroke:var(--text-3);}
.mobile-panel .m-cta{margin-top:auto;}

/* ============================================================
   06 面包屑
   ============================================================ */
.breadcrumb{
  padding:100px 0 0;
}
.breadcrumb ol{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  font-size:.8125rem;
  color:var(--text-3);
  flex-wrap:wrap;
}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{content:"/";color:var(--line);}
.breadcrumb a{transition:color var(--t);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb [aria-current]{color:var(--copper);font-weight:600;}

/* ============================================================
   07 按钮 / 徽章 / 标签
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:.9375rem;
  font-weight:600;
  border:1px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
  cursor:pointer;
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn--primary{background:var(--copper);color:#fff;}
.btn--primary:hover{background:var(--copper-deep);box-shadow:0 12px 24px -14px rgba(169,99,47,.75);}
.btn--outline{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn--outline:hover{background:#EDF2EF;}
.btn--ghost{background:transparent;border-color:rgba(243,239,231,.45);color:var(--inverse);}
.btn--ghost:hover{background:rgba(243,239,231,.12);border-color:var(--inverse);}
.btn--sm{height:40px;padding:0 20px;font-size:.875rem;}
.btn--block{width:100%;}

.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.02em;
}
.badge--level{background:rgba(193,116,60,.12);color:var(--copper-deep);}
.badge--cat{background:var(--paper);color:var(--text-3);}
.badge--lock{
  background:var(--lock);
  color:#fff;
  gap:5px;
  padding:0 9px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ============================================================
   08 Hero
   ============================================================ */
.hero{
  position:relative;
  padding:32px 0 0;
  background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%);
}
.hero-inner{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
  align-items:center;
  min-height:78vh;
  padding-bottom:64px;
}
.hero-copy{grid-column:1/span 6;display:flex;flex-direction:column;align-items:flex-start;gap:20px;}
.hero h1{margin:0;}
.hero-sub{
  font-size:1.0625rem;
  line-height:1.85;
  color:var(--text-2);
  max-width:480px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats{
  display:flex;
  align-items:stretch;
  gap:0;
  margin-top:8px;
  padding-top:20px;
  border-top:var(--gold-line);
  width:100%;
  max-width:520px;
}
.hero-stat{
  flex:1;
  padding:0 20px;
  border-left:1px solid var(--divider);
}
.hero-stat:first-child{padding-left:0;border-left:0;}
.hero-stat b{
  display:block;
  font-family:var(--font-num);
  font-size:1.75rem;
  font-weight:600;
  line-height:1.2;
  color:var(--brand);
}
.hero-stat span{font-size:.8125rem;color:var(--text-3);}
.hero-media{grid-column:8/span 5;position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.hero-float{
  position:absolute;
  right:-12px;
  bottom:-20px;
  width:200px;
  background:#fff;
  border:1px solid rgba(193,116,60,.45);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--shadow-2);
}
.hero-float .hf-top{
  display:flex;align-items:center;gap:8px;
  font-size:.75rem;font-weight:700;letter-spacing:.08em;
  color:var(--copper);
  text-transform:uppercase;
  font-family:var(--font-num);
  margin-bottom:8px;
}
.hero-float p{font-size:.8125rem;line-height:1.7;color:var(--text-2);}
.hero-float p + p{margin-top:4px;color:var(--text-3);}

/* ============================================================
   09 权益对比表
   ============================================================ */
.table-shell{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-table);
  box-shadow:var(--shadow-1);
  overflow:auto;
  max-height:none;
}
.cmp{min-width:760px;font-size:.9375rem;}
.cmp thead th{
  position:sticky;
  top:76px;
  z-index:5;
  background:#fff;
  padding:18px 16px;
  border-bottom:1px solid var(--line);
  font-size:.875rem;
  font-weight:700;
  color:var(--brand);
  text-align:center;
  white-space:nowrap;
}
.cmp thead th:first-child{
  text-align:left;
  width:240px;
  color:var(--text-2);
  font-weight:600;
}
.cmp tbody th{
  text-align:left;
  font-weight:500;
  color:var(--text);
  padding:16px;
  font-size:.9375rem;
}
.cmp tbody td{
  text-align:center;
  padding:16px;
  border-bottom:1px solid var(--divider);
  color:var(--text-2);
}
.cmp tbody tr:nth-child(odd){background:var(--paper-3);}
.cmp tbody tr:hover{background:#F4EFE6;}
.cmp .col-rec{background:var(--white-soft);border-left:1px solid rgba(193,116,60,.45);border-right:1px solid rgba(193,116,60,.45);}
.cmp thead .col-rec{position:relative;color:var(--copper-deep);}
.cmp thead .col-rec::before{
  content:"推荐";
  position:absolute;
  top:-1px;left:50%;transform:translate(-50%,-50%);
  background:var(--copper);
  color:#fff;
  font-size:.6875rem;
  letter-spacing:.06em;
  padding:2px 10px;
  border-radius:var(--r-pill);
}
.cmp tbody tr:last-child td,
.cmp tbody tr:last-child th{border-bottom:0;}
.mark{display:inline-flex;align-items:center;justify-content:center;}
.mark svg{stroke:var(--copper);}
.mark--no{width:18px;height:1.5px;background:#D9D2C6;border-radius:2px;}
.cmp-note{margin-top:16px;font-size:.8125rem;color:var(--text-3);}

/* 移动端等级卡片堆叠 */
.level-stack{display:none;gap:16px;}
.level-stack .ls-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--shadow-1);
}
.level-stack .ls-card.is-rec{border-color:rgba(193,116,60,.6);background:var(--white-soft);}
.level-stack h3{margin:12px 0 4px;}
.level-stack .ls-price{
  font-family:var(--font-num);
  font-size:1.5rem;
  font-weight:700;
  color:var(--brand);
  margin:12px 0 16px;
}
.level-stack .ls-price small{font-size:.8125rem;font-weight:500;color:var(--text-3);margin-left:4px;}
.level-stack ul{margin-bottom:16px;}
.level-stack li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:8px 0;
  border-bottom:1px solid var(--divider);
  font-size:.9375rem;
  color:var(--text-2);
}
.level-stack li:last-child{border-bottom:0;}

/* ============================================================
   10 等级亮点卡
   ============================================================ */
.level-cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.level-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.level-card::after{
  content:"";
  position:absolute;
  left:24px;right:24px;bottom:0;
  height:2px;
  background:var(--copper);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.level-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.level-card:hover::after{transform:scaleX(1);}
.level-card.is-rec{
  border-color:rgba(193,116,60,.5);
  transform:translateY(-8px);
  box-shadow:var(--shadow-2);
}
.level-card.is-rec:hover{transform:translateY(-11px);}
.level-card h3{margin:14px 0 6px;}
.level-card .lc-for{font-size:.875rem;color:var(--text-3);min-height:26px;}
.level-card ul{margin:18px 0 22px;flex:1;}
.level-card li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:7px 0;
  font-size:.9375rem;
  color:var(--text-2);
  line-height:1.7;
}
.level-card li::before{
  content:"";
  flex:none;
  width:6px;height:6px;
  margin-top:9px;
  border-radius:50%;
  background:var(--copper);
}
.level-card .lc-price{
  display:flex;
  align-items:flex-end;
  gap:6px;
  padding-top:18px;
  border-top:1px solid var(--divider);
  margin-bottom:16px;
}
.level-card .lc-price b{
  font-family:var(--font-num);
  font-size:2rem;
  font-weight:700;
  line-height:1;
  color:var(--brand);
}
.level-card .lc-price span{font-size:.8125rem;color:var(--text-3);padding-bottom:2px;}

/* ============================================================
   11 专属内容预览（深色）
   ============================================================ */
.vault{
  background:var(--brand-dark);
  padding:96px 0;
  color:var(--inverse);
}
.vault .section-head h2{color:var(--inverse);}
.vault .section-head p{color:var(--inverse-2);}
.vault .section-head__bar{background:var(--copper-light);}
.vault .section-link{color:var(--copper-light);border-color:rgba(226,164,104,.4);}
.vault .section-link:hover{color:#fff;border-color:#fff;}
.vault-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.vault-card{
  display:flex;
  flex-direction:column;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(243,239,231,.12);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color var(--t),transform var(--t),background var(--t);
}
.vault-card:hover{border-color:rgba(193,116,60,.75);transform:translateY(-3px);background:rgba(255,255,255,.05);}
.vault-cover{position:relative;aspect-ratio:16/10;overflow:hidden;}
.vault-cover img{width:100%;height:100%;object-fit:cover;}
.vault-cover::after{
  content:"";
  position:absolute;inset:0;
  background:rgba(20,35,31,.4);
  transition:background var(--t);
}
.vault-card:hover .vault-cover::after{background:rgba(20,35,31,.24);}
.vault-lock{
  position:absolute;
  top:12px;left:12px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:5px;
  height:24px;
  padding:0 9px;
  border-radius:var(--r-pill);
  background:var(--lock);
  color:#fff;
  font-size:.6875rem;
  font-weight:600;
  letter-spacing:.04em;
}
.vault-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.vault-body h3{
  color:var(--inverse);
  font-size:1.0625rem;
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.vault-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:.75rem;
  color:var(--inverse-2);
}
.vault-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--inverse-2);}
.vault-unlock{
  margin-top:auto;
  font-size:.8125rem;
  font-weight:600;
  color:var(--copper-light);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color var(--t),gap var(--t);
}
.vault-card:hover .vault-unlock{color:#fff;gap:10px;}
.vault-cta{display:flex;justify-content:center;margin-top:48px;}

/* ============================================================
   12 FAQ
   ============================================================ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:16px 0;
  font-size:1.0625rem;
  font-weight:600;
  color:var(--text);
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--copper);}
.faq-icon{
  position:relative;
  flex:none;
  width:20px;height:20px;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:14px;height:1.75px;
  background:var(--copper);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform var(--t),opacity var(--t);
}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(0deg);opacity:0;}
.faq-body{
  padding:0 0 24px 19px;
  border-left:3px solid var(--copper);
  margin-bottom:20px;
}
.faq-body p{font-size:.9375rem;line-height:1.8;color:var(--text-2);}

/* ============================================================
   13 开通表单
   ============================================================ */
.join-box{
  max-width:720px;
  margin:0 auto;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:40px;
  box-shadow:var(--shadow-1);
  text-align:center;
}
.join-box h2{margin-bottom:10px;}
.join-box > p{font-size:.9375rem;margin-bottom:28px;}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  text-align:left;
}
.field{display:flex;flex-direction:column;gap:6px;}
.field--full{grid-column:1/-1;}
.field label{font-size:.8125rem;font-weight:600;color:var(--text-2);}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"]{
  height:52px;
  padding:0 16px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:#fff;
  font-size:.9375rem;
  transition:border-color var(--t),box-shadow var(--t);
}
.field input::placeholder{color:var(--text-3);}
.field input:hover{border-color:#D6CFC2;}
.field input:focus{
  outline:none;
  border-color:var(--copper);
  box-shadow:0 0 0 3px var(--ring);
}
.field.is-error input{border-color:var(--warn);}
.field .err{font-size:.8125rem;color:var(--warn);display:none;}
.field.is-error .err{display:block;}
.check{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:.8125rem;
  color:var(--text-2);
  line-height:1.7;
  text-align:left;
}
.check input{
  appearance:none;
  -webkit-appearance:none;
  flex:none;
  width:18px;height:18px;
  margin-top:4px;
  border:1px solid var(--line);
  border-radius:5px;
  background:#fff;
  cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.check input:checked{
  background:var(--copper);
  border-color:var(--copper);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3.5 8.5 6.5 11.5 12.5 4.5'/%3E%3C/svg%3E");
  background-size:16px;
  background-position:center;
  background-repeat:no-repeat;
}
.form-msg{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--r-input);
  font-size:.875rem;
  text-align:left;
}
.form-msg.is-ok{display:block;background:rgba(62,107,79,.1);color:var(--ok);border:1px solid rgba(62,107,79,.28);}
.form-msg.is-err{display:block;background:rgba(180,85,47,.1);color:var(--warn);border:1px solid rgba(180,85,47,.28);}
.form-foot{
  margin-top:20px;
  font-size:.75rem;
  color:var(--text-3);
  text-align:left;
}

/* ============================================================
   14 最新信息
   ============================================================ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--copper);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.news-card{position:relative;}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D9D2C6;}
.news-card:hover::after{transform:scaleX(1);}
.news-cover{
  aspect-ratio:16/9;
  background:var(--paper-2);
  overflow:hidden;
  display:grid;
  place-items:center;
}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.news-card:hover .news-cover img{transform:translateY(-3px);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{
  font-size:1.0625rem;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color var(--t);
}
.news-card:hover .news-title{color:var(--copper);}
.news-summary{
  font-size:.875rem;
  line-height:1.7;
  color:var(--text-3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--divider);
}
.news-date{font-size:.75rem;color:var(--text-3);font-family:var(--font-num);}

.empty-state{
  padding:64px 20px;
  text-align:center;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:#fff;
}
.empty-state svg{margin:0 auto 16px;stroke:var(--text-3);}
.empty-state p{font-size:.9375rem;color:var(--text-3);}
.empty-state a{
  display:inline-block;
  margin-top:12px;
  font-size:.875rem;
  font-weight:600;
  color:var(--copper);
  border-bottom:1px solid rgba(193,116,60,.4);
}

/* ============================================================
   15 页脚
   ============================================================ */
.footer{
  position:relative;
  background:var(--brand-dark);
  color:var(--inverse);
  padding:72px 0 0;
  margin-top:96px;
}
.footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:rgba(193,116,60,.3);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer .brand-mark{background:rgba(243,239,231,.12);color:var(--inverse);}
.footer .brand-text{color:var(--inverse);}
.footer p{font-size:.875rem;color:var(--inverse-2);line-height:1.8;max-width:300px;}
.footer h4{
  font-family:var(--font-num);
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--inverse);
  margin-bottom:16px;
}
.footer ul li{margin-bottom:10px;}
.footer ul a{
  font-size:.875rem;
  color:var(--inverse-2);
  transition:color var(--t);
}
.footer ul a:hover{color:var(--copper-light);}
.footer-bottom{
  border-top:1px solid rgba(243,239,231,.12);
  padding:20px 0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:.8125rem;
  color:var(--inverse-2);
}

/* ============================================================
   16 状态与动效
   ============================================================ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
.skeleton{
  background:linear-gradient(90deg,var(--paper-2) 25%,#EBE3D6 50%,var(--paper-2) 75%);
  background-size:200% 100%;
  animation:shimmer 1.4s linear infinite;
  border-radius:var(--r-img);
}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* ============================================================
   17 断点：1024 / 768 / 480
   ============================================================ */
@media (max-width:1279px){
  .hero-media{grid-column:8/span 5;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-links,.nav-login{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-pill{justify-content:space-between;}
  .hero-inner{
    grid-template-columns:1fr;
    min-height:auto;
    padding-bottom:40px;
    gap:32px;
  }
  .hero-copy,.hero-media{grid-column:1/-1;}
  .hero-media{max-width:640px;width:100%;}
  .hero-float{display:none;}
  .level-cards{grid-template-columns:1fr;gap:20px;}
  .level-card.is-rec{transform:none;}
  .level-card.is-rec:hover{transform:translateY(-3px);}
  .vault-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cmp thead th{top:66px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .footer{margin-top:56px;padding-top:56px;}
  .breadcrumb{padding-top:92px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .section-head__bar{min-height:36px;}
  .hero{padding-top:16px;}
  .hero-stats{flex-wrap:wrap;gap:16px 0;}
  .hero-stat{min-width:50%;padding:0 16px;}
  .hero-stat:nth-child(3){padding-left:0;border-left:0;}
  .hero-stat b{font-size:1.5rem;}
  .table-shell{display:none;}
  .level-stack{display:grid;}
  .vault{padding:56px 0;}
  .vault-grid{grid-template-columns:1fr;gap:16px;}
  .news-grid{grid-template-columns:1fr;gap:16px;}
  .join-box{padding:24px 20px;}
  .form-grid{grid-template-columns:1fr;}
  .faq-item summary{min-height:56px;font-size:1rem;}
  .faq-body{padding-left:15px;margin-bottom:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:479px){
  .hero-actions .btn{width:100%;}
  .hero-stat{min-width:100%;padding:0;border-left:0;}
  .level-card{padding:20px;}
  .nav-pill{padding:0 14px;}
  .brand-text{font-size:1rem;}
}

/* roulang page: article */
/* ============ 1. 设计变量 ============ */
:root{
  --ink:#1E3A32;
  --ink-deep:#14231F;
  --ink-soft:#2C5348;
  --copper:#C1743C;
  --copper-soft:#E2A468;
  --copper-deep:#A9632F;
  --paper:#F6F2EA;
  --paper-deep:#F1EADF;
  --card:#FFFFFF;
  --dark:#14231F;
  --text:#1B1F1D;
  --text-2:#5B6660;
  --text-3:#8A938D;
  --text-inv:#F3EFE7;
  --border:#E4DED2;
  --rule:#EDE7DB;
  --ring:rgba(193,116,60,.35);
  --ok:#3E6B4F;
  --warn:#B4552F;
  --lock:#8A938D;
  --r-pill:999px;
  --r-card:16px;
  --r-table:14px;
  --r-input:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,35,31,.06),0 12px 32px -14px rgba(20,35,31,.14);
  --sh-2:0 2px 4px rgba(20,35,31,.08),0 20px 44px -16px rgba(20,35,31,.2);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --sect:96px;
}
/* ============ 2. reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,Arial,sans-serif;
  font-size:1rem;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.nav-locked{overflow:hidden}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:4px}
::selection{background:rgba(193,116,60,.22)}
/* ============ 3. 排版 ============ */
.h1{font-size:clamp(2rem,4.2vw,3.25rem);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;line-height:1.35}
.h3{font-size:clamp(1.125rem,1.6vw,1.375rem);font-weight:700;line-height:1.5}
.eyebrow{font-family:Inter,Helvetica,Arial,sans-serif;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);font-weight:600}
.muted{color:var(--text-2)}
.weak{color:var(--text-3)}
/* ============ 4. 布局 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
main{display:block}
.section{padding-top:var(--sect)}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-title .h2{padding-left:14px;border-left:4px solid var(--copper)}
.section-title .link{color:var(--copper);font-weight:600;font-size:.9375rem;white-space:nowrap;transition:color var(--ease)}
.section-title .link:hover{color:var(--copper-deep)}
/* ============ 5. 导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;pointer-events:none}
.nav-pill{
  pointer-events:auto;
  width:min(1200px,calc(100% - 32px));
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 20px;
  background:rgba(246,242,234,.82);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:height var(--ease),background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled .nav-pill{height:56px;background:rgba(246,242,234,.94);box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--copper),var(--copper-deep));
  color:#fff;display:grid;place-items:center;
  font-family:Inter,Helvetica,Arial,sans-serif;font-size:.8125rem;font-weight:700;letter-spacing:.02em;
}
.brand-text{font-weight:700;letter-spacing:.02em;color:var(--ink);font-size:1rem}
.nav-main{min-width:0}
.nav-main ul{display:flex;align-items:center;gap:2px}
.nav-main a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--r-pill);font-size:.9375rem;color:var(--text-2);
  transition:color var(--ease),background var(--ease);white-space:nowrap;
}
.nav-main a:hover{color:var(--ink);background:rgba(30,58,50,.06)}
.nav-main a.is-active{color:var(--copper);font-weight:600}
.nav-main a.is-active::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--copper);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;flex:none}
.nav-login{font-size:.9375rem;color:var(--text-2);transition:color var(--ease)}
.nav-login:hover{color:var(--copper)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--r-pill);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transform:translateX(-50%);transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{
  position:fixed;inset:0;z-index:-1;background:var(--paper);
  padding:96px 20px 40px;display:none;flex-direction:column;
  pointer-events:auto;overflow-y:auto;
}
.nav-drawer.is-open{display:flex}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:1.0625rem;color:var(--text);border-bottom:1px solid var(--rule);
}
.nav-drawer a::after{
  content:"";width:8px;height:8px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(-45deg);
}
.nav-drawer .btn{margin-top:auto;width:100%}
/* ============ 6. 面包屑与页头 ============ */
.page-top{padding-top:104px}
.breadcrumb{height:40px;display:flex;align-items:center;font-size:.8125rem;color:var(--text-3)}
.breadcrumb ol{display:flex;align-items:center;gap:8px;min-width:0;flex-wrap:wrap}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0}
.breadcrumb li+li::before{content:"/";color:var(--border)}
.breadcrumb a{transition:color var(--ease)}
.breadcrumb a:hover{color:var(--copper)}
.breadcrumb [aria-current="page"]{color:var(--copper);max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* ============ 7. 文章头部 ============ */
.article-head{padding:24px 0 8px;max-width:860px}
.article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:.8125rem;font-weight:600;background:rgba(193,116,60,.12);color:var(--copper-deep);
}
.pill-plain{background:var(--paper-deep);color:var(--text-2);font-weight:500}
.article-head h1{font-size:clamp(1.75rem,3.4vw,2.75rem);letter-spacing:-.01em}
.article-lead{margin-top:18px;font-size:1.0625rem;color:var(--text-2);max-width:720px}
.rule-line{height:1px;background:rgba(193,116,60,.3);margin:32px 0 0}
/* ============ 8. 文章正文 ============ */
.read-wrap{display:grid;grid-template-columns:minmax(0,760px) 200px;gap:48px;justify-content:center;align-items:start;padding-top:40px}
.article-body{min-width:0;font-size:1.0625rem;line-height:1.85;color:var(--text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 .95em}
.article-body h2{
  font-size:clamp(1.375rem,2.2vw,1.75rem);margin:48px 0 16px;padding-left:14px;
  border-left:3px solid var(--copper);line-height:1.4;
}
.article-body h3{font-size:1.1875rem;margin:32px 0 12px}
.article-body h4{font-size:1.0625rem;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1em;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em;line-height:1.75}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.68em;width:6px;height:6px;border-radius:2px;background:var(--copper);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:.6em;line-height:1.75;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.35em;width:20px;height:20px;border-radius:var(--r-pill);
  background:rgba(30,58,50,.08);color:var(--ink);font-size:.75rem;font-weight:700;
  display:grid;place-items:center;font-family:Inter,Helvetica,Arial,sans-serif;
}
.article-body blockquote{
  margin:24px 0;padding:24px;background:var(--paper);border-left:4px solid var(--copper);
  border-radius:0 var(--r-img) var(--r-img) 0;font-size:.9375rem;color:var(--text-2);line-height:1.8;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:20px 0 8px;background:var(--paper-deep);width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:.8125rem;color:var(--text-3);margin-top:8px}
.article-body pre{
  margin:20px 0;padding:16px 18px;background:#F1EEE7;border-radius:var(--r-img);
  overflow-x:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.875rem;line-height:1.7;color:var(--ink-deep);
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.875em;
  background:#F1EEE7;border-radius:6px;padding:.15em .4em;
}
.article-body pre code{background:none;padding:0;font-size:1em}
.article-body table{margin:24px 0;font-size:.9375rem;border-radius:var(--r-table);overflow:hidden}
.article-body th{
  background:var(--paper-deep);color:var(--ink);font-weight:600;text-align:left;
  padding:12px 16px;border-bottom:1px solid var(--border);font-size:.875rem;
}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--rule);color:var(--text-2);line-height:1.7}
.article-body tr:nth-child(even) td{background:#FBF8F2}
.article-body a{color:var(--copper);border-bottom:1px solid rgba(193,116,60,.4);transition:border-color var(--ease)}
.article-body a:hover{border-bottom-color:var(--copper)}
.article-body strong{font-weight:700;color:var(--ink-deep)}
/* 右侧细目录条 */
.toc{
  position:sticky;top:104px;font-size:.8125rem;line-height:1.6;
  border-left:1px solid var(--rule);padding-left:16px;
}
.toc .eyebrow{display:block;margin-bottom:12px}
.toc a{display:block;color:var(--text-3);padding:5px 0;transition:color var(--ease)}
.toc a:hover{color:var(--ink)}
.toc a.is-current{color:var(--copper);font-weight:600}
/* ============ 9. 会员专属提示块 ============ */
.locked-block{
  margin-top:48px;position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:40px 32px;text-align:center;
}
.locked-block::before{
  content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--copper),var(--copper-soft));
}
.lock-badge{
  width:48px;height:48px;margin:0 auto 18px;border-radius:var(--r-pill);
  background:var(--lock);display:grid;place-items:center;
}
.lock-badge svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.locked-block h3{margin-bottom:10px}
.locked-block p{color:var(--text-2);max-width:560px;margin:0 auto 24px;font-size:.9375rem}
.fade-out{position:absolute;left:0;right:0;top:-90px;height:90px;background:linear-gradient(to bottom,rgba(246,242,234,0),var(--paper))}
/* ============ 10. 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:1rem;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--copper);color:#fff}
.btn-primary:hover{background:var(--copper-deep);transform:translateY(-1px)}
.btn-primary:active{transform:none}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-ghost{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:#EDF2EF;transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-invert{background:transparent;border-color:rgba(243,239,231,.5);color:var(--text-inv)}
.btn-invert:hover{border-color:var(--copper-soft);color:var(--copper-soft)}
.btn-sm{height:40px;padding:0 20px;font-size:.9375rem}
.btn-block{width:100%}
/* ============ 11. 卡片与网格 ============ */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--copper);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.card:hover::after{transform:scaleX(1)}
.card-media{width:100%;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--paper-deep);margin-bottom:18px}
.card-media img{width:100%;height:100%;object-fit:cover}
.card h3{margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .desc{
  color:var(--text-2);font-size:.9375rem;line-height:1.7;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:10px;font-size:.8125rem;color:var(--text-3);border-top:1px solid var(--rule);padding-top:14px}
.card-meta .tag{background:var(--paper-deep);border-radius:var(--r-pill);padding:3px 10px;color:var(--text-2)}
.card-link{position:absolute;inset:0;z-index:2}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
/* ============ 12. FAQ ============ */
.faq-list{max-width:880px}
.faq-item{border-bottom:1px solid var(--rule)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:14px 0;font-size:1.0625rem;font-weight:600;cursor:pointer;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--copper)}
.faq-item summary::after{
  content:"";flex:none;width:14px;height:14px;position:relative;
  background:
    linear-gradient(var(--copper),var(--copper)) center/14px 2px no-repeat,
    linear-gradient(var(--copper),var(--copper)) center/2px 14px no-repeat;
  transition:transform var(--ease);
}
.faq-item[open] summary::after{
  background:linear-gradient(var(--copper),var(--copper)) center/14px 2px no-repeat;
  transform:rotate(180deg);
}
.faq-answer{
  position:relative;padding:0 0 22px 18px;color:var(--text-2);font-size:.9375rem;line-height:1.8;
}
.faq-answer::before{content:"";position:absolute;left:0;top:4px;bottom:26px;width:3px;background:var(--copper);border-radius:2px}
/* ============ 13. CTA 表单 ============ */
.cta-card{
  max-width:720px;margin:0 auto;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:40px 32px;text-align:center;
}
.cta-card .h2{margin-bottom:12px}
.cta-card>p{color:var(--text-2);font-size:.9375rem;margin-bottom:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;text-align:left}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:.8125rem;color:var(--text-2);font-weight:600}
.field input{
  height:52px;padding:0 16px;border:1px solid var(--border);border-radius:var(--r-input);
  background:var(--paper);font-size:.9375rem;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:hover{border-color:#D6CEBE}
.field input:focus{outline:none;border-color:var(--copper);background:#fff;box-shadow:0 0 0 3px var(--ring)}
.field.has-error input{border-color:var(--warn);box-shadow:0 0 0 3px rgba(180,85,47,.16)}
.field .tip{font-size:.8125rem;color:var(--warn);display:none}
.field.has-error .tip{display:block}
.check{display:flex;align-items:flex-start;gap:10px;text-align:left;font-size:.8125rem;color:var(--text-2);margin:6px 0 24px}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--copper);flex:none}
.form-note{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-input);font-size:.875rem;text-align:left}
.form-note.is-ok{display:block;background:rgba(62,107,79,.1);color:var(--ok);border:1px solid rgba(62,107,79,.3)}
.form-note.is-err{display:block;background:rgba(180,85,47,.08);color:var(--warn);border:1px solid rgba(180,85,47,.3)}
/* ============ 14. 返回与上下篇 ============ */
.back-row{display:flex;justify-content:center;padding-top:40px}
.nav-siblings{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}
.sibling{
  display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);padding:20px 24px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.sibling:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.sibling .label{font-size:.75rem;letter-spacing:.08em;color:var(--copper);font-weight:700;white-space:nowrap}
.sibling .title{
  color:var(--text);font-weight:600;font-size:.9375rem;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.sibling.is-next{justify-content:flex-end;text-align:right}
/* ============ 15. 空态 ============ */
.empty-state{padding:64px 24px;text-align:center}
.empty-state svg{width:64px;height:64px;stroke:var(--text-3);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 20px}
.empty-state h2{margin-bottom:12px}
.empty-state p{color:var(--text-2);margin-bottom:24px}
/* ============ 16. 页脚 ============ */
.footer{background:var(--dark);color:#A9B5AE;margin-top:var(--sect);border-top:1px solid rgba(193,116,60,.3);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--copper),var(--copper-soft))}
.footer-brand .brand-text{color:var(--text-inv)}
.footer p{font-size:.9375rem;line-height:1.8;max-width:340px;color:#A9B5AE}
.footer h4{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-inv);margin-bottom:18px;font-weight:600}
.footer ul li{margin-bottom:12px}
.footer ul a{font-size:.9375rem;color:#A9B5AE;transition:color var(--ease)}
.footer ul a:hover{color:var(--copper-soft)}
.footer-bottom{
  margin-top:48px;padding:20px 0 28px;border-top:1px solid rgba(243,239,231,.12);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--text-3);
}
/* ============ 17. 响应式 ============ */
@media (max-width:1279px){
  .read-wrap{grid-template-columns:minmax(0,760px);justify-content:center}
  .toc{display:none}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  :root{--sect:72px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
  .footer p{max-width:none}
}
@media (max-width:767px){
  .container{padding:0 20px}
  :root{--sect:56px}
  .nav-main{display:none}
  .nav-login{display:none}
  .nav-toggle{display:block}
  .nav-actions .btn{display:none}
  .nav-pill{padding:0 14px;gap:8px}
  .page-top{padding-top:96px}
  .breadcrumb{height:auto;padding:8px 0;font-size:.75rem}
  .read-wrap{padding-top:24px}
  .article-body{font-size:1rem}
  .article-body h2{margin-top:32px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .faq-item summary{min-height:56px;font-size:1rem}
  .nav-siblings{grid-template-columns:1fr}
  .sibling.is-next{text-align:left;justify-content:flex-start}
  .sibling.is-next .label{order:-1}
  .locked-block{padding:32px 20px}
  .cta-card{padding:28px 20px}
  .section-title{flex-direction:column;align-items:flex-start;gap:12px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .h1{font-size:1.75rem}
  .article-head h1{font-size:1.625rem}
  .btn{height:44px;padding:0 20px;font-size:.9375rem}
  .cta-card{padding:24px 16px}
}

/* roulang page: category1 */
/* ============================================================
   1. 设计变量
   ============================================================ */
:root{
  --ink:#1E3A32;
  --ink-deep:#14231F;
  --ink-soft:#2C5348;
  --copper:#C1743C;
  --copper-light:#E2A468;
  --copper-dark:#A9632F;
  --paper:#F6F2EA;
  --paper-2:#F1EADF;
  --card:#FFFFFF;
  --dark:#14231F;
  --t1:#1B1F1D;
  --t2:#5B6660;
  --t3:#8A938D;
  --inv:#F3EFE7;
  --inv-2:#A9B5AE;
  --line:#E4DED2;
  --div:#EDE7DB;
  --focus:rgba(193,116,60,.35);
  --ok:#3E6B4F;
  --warn:#B4552F;
  --lock:#8A938D;
  --gold-line:rgba(193,116,60,.30);
  --r-pill:999px;
  --r-card:16px;
  --r-table:14px;
  --r-input:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,35,31,.06), 0 12px 32px -14px rgba(20,35,31,.14);
  --sh-2:0 2px 5px rgba(20,35,31,.09), 0 22px 46px -18px rgba(20,35,31,.22);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --gap-section:96px;
}

/* ============================================================
   2. reset / 基础
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:1rem;
  line-height:1.85;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t);}
a:hover{color:var(--copper);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,dl,dd,dt,figure{margin:0;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
svg{display:block;}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px;}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--copper);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0;color:#fff;}

/* ============================================================
   3. 排版
   ============================================================ */
h1{
  font-size:clamp(2rem,4.2vw,3.25rem);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  color:var(--t1);
}
h2{
  font-size:clamp(1.5rem,2.4vw,2rem);
  font-weight:700;
  line-height:1.35;
  color:var(--t1);
}
h3{
  font-size:clamp(1.125rem,1.6vw,1.375rem);
  font-weight:600;
  line-height:1.5;
  color:var(--t1);
}
h4{font-size:.9375rem;font-weight:600;line-height:1.5;}
p{line-height:1.85;}
.lead{font-size:1.0625rem;color:var(--t2);line-height:1.85;}
.eyebrow{
  font-size:.75rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--copper);
  font-weight:600;
  font-family:Inter,Helvetica,Arial,sans-serif;
}
.muted{color:var(--t2);}
.weak{color:var(--t3);}

/* ============================================================
   4. 布局
   ============================================================ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding-top:var(--gap-section);}
.section-tight{padding-top:64px;}

.title-group{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.title-group h2{
  position:relative;
  padding-left:16px;
}
.title-group h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.18em;
  bottom:.18em;
  width:4px;
  border-radius:2px;
  background:var(--copper);
}
.title-group .title-link{
  margin-left:auto;
  font-size:.9375rem;
  font-weight:600;
  color:var(--copper);
}
.title-group .title-link:hover{color:var(--copper-dark);}
.section-note{
  max-width:720px;
  color:var(--t2);
  margin-bottom:40px;
}
.gold-rule{
  height:1px;
  background:var(--gold-line);
  border:0;
  margin:0;
}

/* ============================================================
   5. 导航（悬浮胶囊）
   ============================================================ */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:60;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.nav-pill{
  pointer-events:auto;
  width:min(1200px,100%);
  height:64px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:rgba(246,242,234,.82);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid var(--line);
  transition:height var(--t),background-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled .nav-pill{
  height:56px;
  background:rgba(246,242,234,.94);
  box-shadow:var(--sh-1);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--copper);
  color:#fff;
  display:grid;
  place-items:center;
  font-family:Inter,Helvetica,Arial,sans-serif;
  font-size:.875rem;
  font-weight:700;
  letter-spacing:.02em;
}
.brand-text{
  font-family:Inter,Helvetica,Arial,sans-serif;
  font-size:1.0625rem;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--ink);
}
.logo:hover .brand-text{color:var(--copper);}
.main-nav{margin-left:12px;}
.main-nav ul{display:flex;align-items:center;gap:2px;}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  border-radius:var(--r-pill);
  font-size:.9375rem;
  color:var(--t2);
  white-space:nowrap;
}
.main-nav a:hover{color:var(--copper);background:rgba(193,116,60,.08);}
.main-nav a.is-active{color:var(--copper);font-weight:600;}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--copper);
}
.nav-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.link-plain{font-size:.9375rem;color:var(--t2);}
.link-plain:hover{color:var(--copper);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  margin-left:auto;
  place-items:center;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform var(--t);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

.mobile-panel{
  position:fixed;
  inset:0;
  z-index:55;
  background:var(--paper);
  padding:104px 20px 28px;
  display:flex;
  flex-direction:column;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mobile-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-panel ul{display:flex;flex-direction:column;}
.mobile-panel li{border-bottom:1px solid var(--div);}
.mobile-panel a.m-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:56px;
  font-size:1.0625rem;
  font-weight:600;
  color:var(--t1);
}
.mobile-panel a.m-link.is-active{color:var(--copper);}
.mobile-panel a.m-link::after{content:"›";color:var(--t3);font-size:1.25rem;line-height:1;}
.mobile-panel .m-cta{margin-top:auto;}

/* ============================================================
   6. 按钮 / 徽章 / 标签
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:1rem;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:.9375rem;}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 10px 24px -12px rgba(193,116,60,.7);}
.btn-primary:hover{background:var(--copper-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.45;pointer-events:none;}
.btn-outline{background:#fff;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:#EDF2EF;color:var(--ink);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(243,239,231,.5);color:var(--inv);}
.btn-ghost:hover{background:rgba(243,239,231,.12);color:#fff;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.9375rem;
  font-weight:600;
  color:var(--copper);
}
.btn-text:hover{color:var(--copper-dark);}

.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:.75rem;
  letter-spacing:.04em;
  font-weight:600;
  white-space:nowrap;
}
.badge-level{background:rgba(193,116,60,.12);color:var(--copper);}
.badge-cat{background:var(--paper);color:var(--t3);font-weight:500;letter-spacing:.02em;}
.badge-lock{background:var(--lock);color:#fff;gap:4px;}

/* ============================================================
   7. 面包屑
   ============================================================ */
.breadcrumb-wrap{padding-top:104px;}
.breadcrumb{min-height:40px;display:flex;align-items:center;}
.breadcrumb ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:.8125rem;color:var(--t3);}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--t3);}
.breadcrumb a:hover{color:var(--copper);}
.breadcrumb [aria-current="page"]{color:var(--copper);font-weight:600;}

/* ============================================================
   8. Hero
   ============================================================ */
.cat-hero{
  margin-top:16px;
  background-image:
    linear-gradient(180deg,rgba(246,242,234,.94) 0%,rgba(241,234,223,.96) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  padding-top:64px;
  padding-bottom:72px;
}
.cat-hero h1{margin:12px 0 18px;max-width:14em;}
.cat-hero .lead{max-width:34em;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}

.stat-row{
  display:flex;
  flex-wrap:wrap;
  margin-top:36px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.stat-row li{
  padding:0 26px;
  border-left:1px solid var(--line);
}
.stat-row li:first-child{padding-left:0;border-left:0;}
.stat-num{
  font-family:Inter,Helvetica,Arial,sans-serif;
  font-size:1.75rem;
  font-weight:600;
  line-height:1.2;
  color:var(--ink);
  letter-spacing:-.01em;
}
.stat-label{font-size:.8125rem;color:var(--t3);line-height:1.5;}

.cat-hero-media{position:relative;}
.cat-hero-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
}
.hero-float{
  position:absolute;
  right:-8px;
  bottom:-24px;
  width:200px;
  padding:16px;
  background:#fff;
  border:1px solid var(--gold-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.hero-float strong{
  display:block;
  font-size:.9375rem;
  color:var(--ink);
  margin-bottom:4px;
}
.hero-float span{display:block;font-size:.8125rem;color:var(--t3);line-height:1.6;}

/* ============================================================
   9. 权益主体：锚点 + 分组
   ============================================================ */
.benefit-layout{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.anchor-nav{position:sticky;top:96px;}
.anchor-nav .anchor-title{
  font-size:.75rem;
  letter-spacing:.08em;
  color:var(--t3);
  text-transform:uppercase;
  font-family:Inter,Helvetica,Arial,sans-serif;
  margin-bottom:12px;
  font-weight:600;
}
.anchor-nav ul{display:flex;flex-direction:column;gap:2px;}
.anchor-nav a{
  display:block;
  padding:10px 14px;
  border-radius:10px;
  border-left:2px solid transparent;
  font-size:.9375rem;
  color:var(--t2);
}
.anchor-nav a:hover{background:#FBF8F2;color:var(--copper);}
.anchor-nav a.is-current{
  background:#FFF9F2;
  border-left-color:var(--copper);
  color:var(--copper);
  font-weight:600;
}

.benefit-main{min-width:0;}
.benefit-group{
  padding:32px 0;
  border-bottom:1px solid var(--div);
  scroll-margin-top:112px;
}
.benefit-group:first-child{padding-top:0;}
.benefit-group:last-child{border-bottom:0;padding-bottom:0;}
.group-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.group-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(1.25rem,1.9vw,1.5rem);
}
.group-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.2em;
  bottom:.2em;
  width:4px;
  border-radius:2px;
  background:var(--copper);
}
.group-intro{margin-top:10px;color:var(--t2);max-width:60em;}
.check-list{margin-top:20px;}
.check-row{
  display:grid;
  grid-template-columns:24px minmax(0,1fr) auto;
  gap:14px;
  align-items:start;
  padding:14px 0;
  border-bottom:1px dashed var(--div);
}
.check-row:last-child{border-bottom:0;padding-bottom:0;}
.check-ico{
  width:24px;
  height:24px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:rgba(193,116,60,.12);
  margin-top:2px;
}
.check-ico svg{stroke:var(--copper);}
.check-title{font-size:1rem;font-weight:600;color:var(--t1);line-height:1.6;}
.check-desc{font-size:.9375rem;color:var(--t2);line-height:1.7;margin-top:2px;}
.check-row .badge{align-self:center;}

/* ============================================================
   10. 覆盖范围横向条
   ============================================================ */
.coverage-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.cov-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cov-item::after{
  content:"";
  position:absolute;
  left:24px;
  right:24px;
  bottom:0;
  height:2px;
  background:var(--copper);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.cov-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--gold-line);}
.cov-item:hover::after{transform:scaleX(1);}
.cov-ico{
  width:44px;
  height:44px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:rgba(30,58,50,.06);
  margin-bottom:16px;
}
.cov-ico svg{stroke:var(--ink);}
.cov-item h3{margin-bottom:8px;font-size:1.0625rem;}
.cov-item p{font-size:.9375rem;color:var(--t2);line-height:1.7;}
.cov-meta{
  margin-top:14px;
  font-size:.8125rem;
  color:var(--t3);
  font-family:Inter,Helvetica,Arial,sans-serif;
  letter-spacing:.02em;
}

/* ============================================================
   11. 开通步骤
   ============================================================ */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  counter-reset:step;
}
.step{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-num{
  font-family:Inter,Helvetica,Arial,sans-serif;
  font-size:1.5rem;
  font-weight:700;
  color:var(--copper);
  line-height:1;
  margin-bottom:14px;
}
.step h3{font-size:1.0625rem;margin-bottom:8px;}
.step p{font-size:.9375rem;color:var(--t2);line-height:1.75;}

/* ============================================================
   12. FAQ
   ============================================================ */
.faq-list{border-top:1px solid var(--div);}
.faq-item{border-bottom:1px solid var(--div);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:64px;
  padding:12px 0;
  font-size:1.0625rem;
  font-weight:600;
  color:var(--t1);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--copper);}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--copper);
  border-radius:2px;
  transition:transform var(--t),opacity var(--t);
}
.faq-icon::before{left:0;right:0;top:9px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-answer{
  padding:0 0 20px 16px;
  border-left:3px solid var(--copper);
  margin-left:2px;
  color:var(--t2);
  font-size:.9375rem;
  line-height:1.8;
}

/* ============================================================
   13. CTA 与相关分类
   ============================================================ */
.cta-band{
  background:var(--paper-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-card{
  max-width:720px;
  margin:0 auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:48px;
  text-align:center;
  box-shadow:var(--sh-1);
}
.cta-card h2{margin-bottom:12px;}
.cta-card p{color:var(--t2);margin-bottom:24px;}
.cta-note{font-size:.8125rem;color:var(--t3);margin-top:14px;}

.related-block{margin-top:56px;text-align:center;}
.related-title{
  font-size:.75rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--t3);
  font-family:Inter,Helvetica,Arial,sans-serif;
  font-weight:600;
  margin-bottom:16px;
}
.related-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.related-links a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:.9375rem;
  font-weight:600;
  color:var(--ink);
}
.related-links a:hover{border-color:var(--copper);color:var(--copper);transform:translateY(-1px);}

.back-to-news{
  padding:48px 32px 96px;
  text-align:center;
}
.back-to-news a{
  font-size:.9375rem;
  font-weight:600;
  color:var(--copper);
}
.back-to-news a:hover{color:var(--copper-dark);}

/* ============================================================
   14. 页脚
   ============================================================ */
.footer{
  background:var(--dark);
  color:var(--inv);
  border-top:1px solid var(--gold-line);
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer .brand-mark{background:rgba(243,239,231,.12);color:var(--copper-light);}
.footer .brand-text{color:var(--inv);}
.footer p{color:var(--inv-2);font-size:.9375rem;line-height:1.8;max-width:32em;}
.footer h4{
  font-size:.75rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--inv-2);
  font-family:Inter,Helvetica,Arial,sans-serif;
  margin-bottom:16px;
  font-weight:600;
}
.footer ul{display:flex;flex-direction:column;gap:10px;}
.footer ul a{font-size:.9375rem;color:var(--inv);}
.footer ul a:hover{color:var(--copper-light);}
.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(243,239,231,.14);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:.8125rem;
  color:var(--inv-2);
}

/* ============================================================
   15. 响应式
   ============================================================ */
@media (max-width:1279px){
  :root{--gap-section:80px;}
  .coverage-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1199px){
  .main-nav a{padding:10px 10px;font-size:.875rem;}
  .logo .brand-text{font-size:1rem;}
}
@media (max-width:1023px){
  :root{--gap-section:64px;}
  .main-nav{display:none;}
  .nav-actions .link-plain{display:none;}
  .nav-toggle{display:grid;}
  .cat-hero-inner{
    grid-template-columns:1fr;
    padding-top:40px;
    padding-bottom:48px;
    gap:32px;
  }
  .hero-float{display:none;}
  .benefit-layout{grid-template-columns:1fr;gap:32px;}
  .anchor-nav{position:static;}
  .anchor-nav .anchor-title{display:none;}
  .anchor-nav ul{
    flex-direction:row;
    gap:10px;
    overflow-x:auto;
    padding-bottom:8px;
    scrollbar-width:thin;
  }
  .anchor-nav a{
    white-space:nowrap;
    border:1px solid var(--line);
    border-left:1px solid var(--line);
    border-radius:var(--r-pill);
    padding:8px 16px;
    font-size:.875rem;
    background:#fff;
  }
  .anchor-nav a.is-current{
    background:var(--copper);
    color:#fff;
    border-color:var(--copper);
  }
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--gap-section:56px;}
  .container{padding-left:20px;padding-right:20px;}
  .breadcrumb-wrap{padding-top:96px;}
  .nav-pill{height:60px;padding:0 16px;}
  .site-header.is-scrolled .nav-pill{height:56px;}
  .nav-actions{display:none;}
  .cat-hero-inner{padding-top:32px;padding-bottom:40px;}
  .cat-hero h1{margin:10px 0 14px;}
  .hero-actions .btn{width:100%;}
  .stat-row{gap:0;}
  .stat-row li{padding:12px 20px 12px 0;border-left:0;}
  .stat-row li:not(:first-child){padding-left:0;}
  .coverage-grid{grid-template-columns:1fr;}
  .footer{padding:56px 0 28px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .cta-card{padding:32px 20px;}
  .group-head{flex-direction:column;gap:10px;}
  .check-row{grid-template-columns:24px minmax(0,1fr);}
  .check-row .badge{grid-column:2;justify-self:start;margin-top:4px;}
  .faq-item summary{min-height:56px;font-size:1rem;}
  .faq-answer{padding-left:14px;}
  .back-to-news{padding:40px 20px 72px;}
}
@media (max-width:480px){
  .brand-text{font-size:.9375rem;}
  .cat-hero h1{font-size:1.75rem;}
  .eyebrow{font-size:.6875rem;}
  .related-links a{width:100%;justify-content:center;}
}

/* roulang page: category2 */
/* ============================================================
   变量
   ============================================================ */
:root{
  --green-900:#14231F;
  --green-700:#1E3A32;
  --green-500:#2C5348;
  --copper:#C1743C;
  --copper-dark:#A9632F;
  --copper-light:#E2A468;
  --paper:#F6F2EA;
  --paper-deep:#F1EADF;
  --card:#FFFFFF;
  --ink:#1B1F1D;
  --ink-2:#5B6660;
  --ink-3:#8A938D;
  --on-dark:#F3EFE7;
  --line:#E4DED2;
  --line-soft:#EDE7DB;
  --focus:rgba(193,116,60,.35);
  --ok:#3E6B4F;
  --warn:#B4552F;
  --lock:#8A938D;
  --r-pill:999px;
  --r-card:16px;
  --r-table:14px;
  --r-input:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,35,31,.06), 0 12px 32px -14px rgba(20,35,31,.14);
  --sh-2:0 2px 4px rgba(20,35,31,.08), 0 22px 46px -18px rgba(20,35,31,.22);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --gap-section:96px;
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:Inter,Helvetica,Arial,sans-serif;
}
/* ============================================================
   reset
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;background:var(--paper-deep);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,select{font-family:inherit;font-size:1rem;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
  outline:none;box-shadow:0 0 0 3px var(--focus);border-radius:8px;
}
/* ============================================================
   排版
   ============================================================ */
h1{
  font-size:clamp(2rem,4.2vw,3.25rem);
  font-weight:700;line-height:1.25;letter-spacing:-.01em;
}
h2{
  font-size:clamp(1.5rem,2.4vw,2rem);
  font-weight:700;line-height:1.35;letter-spacing:-.005em;
}
h3{
  font-size:clamp(1.125rem,1.6vw,1.375rem);
  font-weight:600;line-height:1.5;
}
p{line-height:1.85;}
.eyebrow{
  font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--copper);font-weight:600;font-family:var(--font-num);
}
.muted{color:var(--ink-2);}
/* ============================================================
   布局
   ============================================================ */
.container{
  width:100%;max-width:1200px;margin:0 auto;
  padding-left:32px;padding-right:32px;
}
.section{padding-top:var(--gap-section);}
.section-head{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{
  position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:2px;background:var(--copper);
}
.section-head .lead{max-width:640px;color:var(--ink-2);margin-top:10px;}
.link-more{
  color:var(--copper);font-weight:600;font-size:.9375rem;
  border-bottom:1px solid rgba(193,116,60,.35);padding-bottom:2px;
  transition:color var(--t),border-color var(--t);
}
.link-more:hover{color:var(--copper-dark);border-color:var(--copper-dark);}
/* ============================================================
   导航
   ============================================================ */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:min(1200px,calc(100% - 32px));
  min-height:64px;
  display:flex;align-items:center;gap:24px;
  padding:0 20px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(246,242,234,.82);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  box-shadow:0 1px 2px rgba(20,35,31,.05);
  transition:min-height var(--t),background var(--t),box-shadow var(--t);
}
.site-header.is-scrolled .nav-shell{
  min-height:56px;
  background:rgba(246,242,234,.94);
  box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--copper),var(--copper-light));
  color:#fff;font-family:var(--font-num);font-weight:700;font-size:.875rem;
  letter-spacing:.02em;
}
.brand-text{
  font-family:var(--font-num);font-weight:700;letter-spacing:.02em;
  font-size:1rem;color:var(--green-700);
}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;display:block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:500;color:var(--ink-2);
  transition:color var(--t),background var(--t);
}
.main-nav a:hover{color:var(--green-700);background:rgba(44,83,72,.06);}
.main-nav a.is-active{color:var(--copper);font-weight:600;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--copper);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);align-items:center;justify-content:center;
  transition:border-color var(--t),background var(--t);
}
.nav-toggle:hover{border-color:var(--copper);background:#fff;}
.nav-toggle span{
  display:block;width:16px;height:1.75px;background:var(--green-700);border-radius:2px;
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1.75px;background:var(--green-700);border-radius:2px;
  transition:transform var(--t);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.mobile-panel{
  position:fixed;inset:0;z-index:55;background:var(--paper);
  padding:104px 20px 32px;display:none;flex-direction:column;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel a.mp-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;border-bottom:1px solid var(--line-soft);
  font-size:1.0625rem;color:var(--ink);
}
.mobile-panel a.mp-link.is-active{color:var(--copper);font-weight:600;}
.mobile-panel a.mp-link::after{content:"›";color:var(--ink-3);font-size:1.25rem;}
.mobile-panel .mobile-cta{margin-top:auto;width:100%;justify-content:center;}
/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb-wrap{padding-top:104px;}
.breadcrumb-wrap ol{
  display:flex;align-items:center;gap:8px;height:40px;
  font-size:.8125rem;color:var(--ink-3);flex-wrap:wrap;
}
.breadcrumb-wrap li{display:flex;align-items:center;gap:8px;}
.breadcrumb-wrap li+li::before{content:"/";color:var(--line);}
.breadcrumb-wrap a{transition:color var(--t);}
.breadcrumb-wrap a:hover{color:var(--copper);}
.breadcrumb-wrap [aria-current]{color:var(--copper);font-weight:600;}
/* ============================================================
   首屏
   ============================================================ */
.page-hero{
  position:relative;
  padding:56px 0 72px;
  background-image:linear-gradient(180deg,rgba(246,242,234,.93),rgba(241,234,223,.97)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line-soft);
}
.page-hero h1{max-width:760px;}
.page-hero .hero-sub{
  margin-top:18px;max-width:660px;color:var(--ink-2);font-size:1.0625rem;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:44px;
  border-top:1px solid var(--line);padding-top:24px;max-width:660px;
}
.hero-stats li{
  padding:0 28px;border-left:1px solid var(--line);
}
.hero-stats li:first-child{border-left:0;padding-left:0;}
.hero-stats strong{
  display:block;font-family:var(--font-num);font-weight:600;font-size:1.75rem;
  color:var(--green-700);line-height:1.2;
}
.hero-stats span{font-size:.8125rem;color:var(--ink-3);}
/* ============================================================
   按钮
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-sm{height:40px;padding:0 20px;font-size:.875rem;}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 10px 24px -12px rgba(193,116,60,.6);}
.btn-primary:hover{background:var(--copper-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;border:1px solid var(--green-700);color:var(--green-700);}
.btn-outline:hover{background:#EDF2EF;}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1px solid rgba(243,239,231,.5);color:var(--on-dark);}
.btn-ghost:hover{border-color:var(--copper-light);color:var(--copper-light);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
/* ============================================================
   徽章与标签
   ============================================================ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:.75rem;font-weight:600;
  letter-spacing:.02em;
}
.badge-level{background:rgba(193,116,60,.12);color:var(--copper);}
.badge-cat{background:var(--paper-deep);color:var(--ink-3);font-weight:500;}
.badge-lock{background:var(--lock);color:#fff;gap:4px;}
.badge-rec{background:var(--copper);color:#fff;}
/* ============================================================
   时间线（等级维度）
   ============================================================ */
.timeline{position:relative;padding:8px 0;}
.timeline::before{
  content:"";position:absolute;left:7px;top:24px;bottom:24px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(193,116,60,.65),rgba(193,116,60,.12));
}
.tl-item{position:relative;padding-left:44px;margin-bottom:28px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:0;top:34px;width:16px;height:16px;border-radius:50%;
  background:var(--paper);border:3px solid var(--copper);
  box-shadow:0 0 0 4px rgba(193,116,60,.12);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 28px 24px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D9D0BF;}
.tl-card.is-featured{background:#FFF9F2;border-color:rgba(193,116,60,.55);}
.tl-card .tl-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.tl-card h3{margin-top:12px;}
.tl-for{margin-top:8px;color:var(--ink-2);font-size:.9375rem;}
.check-list{margin-top:20px;display:grid;gap:10px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.9375rem;line-height:1.7;color:var(--ink-2);
}
.check-list li svg{flex:0 0 auto;margin-top:6px;}
.tl-foot{
  margin-top:24px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.price{
  font-family:var(--font-num);font-weight:700;font-size:2rem;color:var(--copper);
  line-height:1;display:inline-flex;align-items:baseline;gap:2px;
}
.price em{font-style:normal;font-size:1.125rem;font-weight:600;}
.price i{font-style:normal;font-size:.8125rem;color:var(--ink-3);font-weight:500;margin-left:2px;}
/* ============================================================
   速览列表
   ============================================================ */
.spec-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-table);
  overflow:hidden;box-shadow:var(--sh-1);
}
.spec-list li{
  display:grid;grid-template-columns:180px 1fr 140px;
  gap:20px;align-items:center;
  padding:20px 28px;border-bottom:1px solid var(--line-soft);
  transition:background var(--t);
}
.spec-list li:last-child{border-bottom:0;}
.spec-list li:hover{background:#FBF8F2;}
.spec-name{font-weight:600;color:var(--green-700);}
.spec-desc{color:var(--ink-2);font-size:.9375rem;}
.spec-val{text-align:right;font-family:var(--font-num);font-weight:600;color:var(--copper);}
.spec-head{
  background:#FBF8F2;font-size:.75rem;letter-spacing:.08em;color:var(--ink-3);
  font-weight:600;text-transform:uppercase;
}
/* ============================================================
   规则条块
   ============================================================ */
.rules-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.rule-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rule-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D9D0BF;}
.rule-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(44,83,72,.08);color:var(--green-700);margin-bottom:16px;
}
.rule-item h3{font-size:1.0625rem;}
.rule-item p{margin-top:8px;font-size:.9375rem;color:var(--ink-2);}
/* ============================================================
   图文块
   ============================================================ */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);
}
.split-body h2{padding-left:16px;position:relative;}
.split-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:2px;background:var(--copper);
}
.split-body p{margin-top:16px;color:var(--ink-2);}
.mini-facts{margin-top:28px;display:grid;gap:14px;}
.mini-facts li{
  display:flex;gap:12px;align-items:baseline;
  padding-bottom:14px;border-bottom:1px solid var(--line-soft);
}
.mini-facts li:last-child{border-bottom:0;padding-bottom:0;}
.mini-facts b{font-family:var(--font-num);color:var(--green-700);font-size:1.0625rem;min-width:64px;}
.mini-facts span{color:var(--ink-2);font-size:.9375rem;}
/* ============================================================
   FAQ
   ============================================================ */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:14px 0;text-align:left;
  font-size:1.0625rem;font-weight:600;color:var(--ink);
  transition:color var(--t);
}
.faq-q:hover{color:var(--copper);}
.faq-q .ico{
  flex:0 0 auto;width:22px;height:22px;position:relative;
}
.faq-q .ico::before,.faq-q .ico::after{
  content:"";position:absolute;background:var(--copper);border-radius:2px;
  transition:transform var(--t),opacity var(--t);
}
.faq-q .ico::before{left:0;top:10px;width:22px;height:2px;}
.faq-q .ico::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.is-open .faq-q .ico::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height var(--t);
}
.faq-a p{
  padding:0 0 24px 19px;border-left:3px solid var(--copper);
  color:var(--ink-2);font-size:.9375rem;line-height:1.8;
}
/* ============================================================
   CTA 与表单
   ============================================================ */
.cta-card{
  max-width:720px;margin:0 auto;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:44px 40px;box-shadow:var(--sh-1);
}
.cta-card p{margin-top:12px;color:var(--ink-2);}
.cta-form{margin-top:28px;display:grid;gap:16px;text-align:left;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field label{display:block;font-size:.8125rem;color:var(--ink-2);margin-bottom:8px;}
.field input[type="text"],.field input[type="tel"],.field input[type="email"]{
  width:100%;height:52px;padding:0 16px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.field input::placeholder{color:var(--ink-3);}
.field input:focus{outline:none;border-color:var(--copper);box-shadow:0 0 0 3px var(--focus);}
.field.has-error input{border-color:var(--warn);}
.field .err{display:none;margin-top:8px;font-size:.8125rem;color:var(--warn);}
.field.has-error .err{display:block;}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:.875rem;color:var(--ink-2);}
.check-line input{
  flex:0 0 auto;width:18px;height:18px;margin-top:4px;accent-color:var(--copper);
}
.form-note{display:none;padding:12px 16px;border-radius:var(--r-input);font-size:.875rem;}
.form-note.ok{display:block;background:rgba(62,107,79,.1);color:var(--ok);}
.form-note.err{display:block;background:rgba(180,85,47,.1);color:var(--warn);}
.related-cats{
  margin-top:48px;padding-top:28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;
}
.related-cats .rc-label{font-size:.75rem;letter-spacing:.08em;color:var(--ink-3);text-transform:uppercase;}
.related-cats a{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 18px;border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:.875rem;color:var(--ink-2);background:#fff;
  transition:color var(--t),border-color var(--t),transform var(--t);
}
.related-cats a:hover{color:var(--copper);border-color:var(--copper);transform:translateY(-2px);}
.back-link{display:inline-flex;align-items:center;gap:6px;font-size:.875rem;color:var(--ink-3);transition:color var(--t);}
.back-link:hover{color:var(--copper);}
/* ============================================================
   页脚
   ============================================================ */
.footer{
  margin-top:var(--gap-section);
  background:var(--green-900);color:var(--on-dark);
  border-top:1px solid rgba(193,116,60,.3);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
}
.footer h4{
  font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;
  color:rgba(243,239,231,.7);font-weight:600;margin-bottom:18px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(243,239,231,.12);color:var(--copper-light);}
.footer-brand .brand-text{color:var(--on-dark);}
.footer p{color:#A9B5AE;font-size:.9375rem;max-width:340px;}
.footer ul{display:grid;gap:12px;}
.footer ul a{
  color:#C8D2CC;font-size:.9375rem;
  transition:color var(--t);
}
.footer ul a:hover{color:var(--copper-light);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(243,239,231,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:#8A938D;
}
/* ============================================================
   响应式
   ============================================================ */
@media (min-width:768px){
  .tl-item:nth-child(even){padding-left:68px;}
  .tl-item:nth-child(even) .tl-card{margin-left:0;}
  .tl-item:nth-child(even)::before{left:24px;}
}
@media (max-width:1279px){
  .rules-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  :root{--gap-section:80px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .spec-list li{grid-template-columns:1fr;gap:6px;}
  .spec-val{text-align:left;}
  .spec-head{display:none;}
}
@media (max-width:767px){
  :root{--gap-section:56px;}
  .container{padding-left:20px;padding-right:20px;}
  .breadcrumb-wrap{padding-top:96px;}
  .page-hero{padding:24px 0 48px;}
  .hero-stats{gap:16px 0;}
  .hero-stats li{padding:0 18px;}
  .hero-stats li:first-child{padding-left:0;}
  .timeline::before{left:11px;}
  .tl-item{padding-left:34px;}
  .tl-item::before{left:4px;width:14px;height:14px;border-width:3px;}
  .tl-card{padding:22px 20px;}
  .cta-card{padding:32px 20px;}
  .field-row{grid-template-columns:1fr;}
  .faq-q{min-height:56px;font-size:1rem;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .rules-grid{grid-template-columns:1fr;}
}
@media (max-width:479px){
  .brand-text{font-size:.9375rem;}
  .hero-actions .btn{width:100%;}
  .tl-foot{flex-direction:column;align-items:flex-start;}
  .spec-list li{padding:18px 20px;}
}

/* roulang page: category3 */
/* ============ 1. 设计变量 ============ */
:root{
  --green:#1E3A32;
  --green-dark:#14231F;
  --green-light:#2C5348;
  --copper:#C1743C;
  --copper-light:#E2A468;
  --copper-dark:#A9632F;
  --paper:#F6F2EA;
  --paper-2:#F1EADF;
  --card:#FFFFFF;
  --ink:#1B1F1D;
  --ink-2:#5B6660;
  --ink-3:#8A938D;
  --ink-inv:#F3EFE7;
  --line:#E4DED2;
  --divider:#EDE7DB;
  --focus:rgba(193,116,60,.35);
  --ok:#3E6B4F;
  --warn:#B4552F;
  --lock:#8A938D;
  --r-pill:999px;
  --r-card:16px;
  --r-table:14px;
  --r-input:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,35,31,.06), 0 12px 32px -14px rgba(20,35,31,.14);
  --sh-2:0 2px 4px rgba(20,35,31,.08), 0 20px 44px -16px rgba(20,35,31,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms var(--ease);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:Inter,Helvetica,Arial,sans-serif;
}

/* ============ 2. reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  padding-top:96px;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(2rem,4.2vw,3.25rem);line-height:1.25;}
h2{font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.35;font-weight:700;}
h3{font-size:clamp(1.125rem,1.6vw,1.375rem);line-height:1.5;font-weight:600;}
p{line-height:1.85;}
:focus-visible{outline:none;box-shadow:0 0 0 3px var(--focus);border-radius:6px;}
::selection{background:rgba(193,116,60,.22);}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--green);color:var(--ink-inv);
  padding:10px 18px;border-radius:var(--r-pill);font-size:.875rem;
  transition:top var(--t);
}
.skip-link:focus{top:12px;}

/* ============ 3. 排版工具 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.eyebrow{
  display:inline-block;
  font-family:var(--font-num);
  font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--copper);font-weight:600;
}
.text-muted{color:var(--ink-2);}
.text-weak{color:var(--ink-3);}
.lead{font-size:1.0625rem;color:var(--ink-2);line-height:1.85;}

/* ============ 4. 布局 ============ */
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{
  position:relative;
  padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  background:var(--copper);border-radius:2px;
}
.section-head .section-sub{margin-top:10px;color:var(--ink-2);font-size:.9375rem;max-width:640px;}
.text-link{
  font-size:.9375rem;font-weight:600;color:var(--green);
  border-bottom:1px solid rgba(30,58,50,.25);
  padding-bottom:2px;transition:color var(--t),border-color var(--t);
}
.text-link:hover{color:var(--copper);border-color:var(--copper);}

/* ============ 5. 导航 ============ */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:100;
  display:flex;justify-content:center;
  pointer-events:none;
}
.nav-pill{
  pointer-events:auto;
  width:min(1200px,calc(100% - 32px));
  height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 20px;
  background:rgba(246,242,234,.82);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:0 6px 24px -18px rgba(20,35,31,.4);
  transition:height var(--t),background var(--t),box-shadow var(--t);
}
.site-header.is-scrolled .nav-pill{
  height:56px;
  background:rgba(246,242,234,.94);
  box-shadow:0 10px 30px -16px rgba(20,35,31,.45);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--copper);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:.875rem;letter-spacing:.02em;
}
.brand-text{
  font-weight:700;letter-spacing:.02em;font-size:1.0625rem;color:var(--green);
  font-family:var(--font-num);
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:500;color:var(--ink-2);
  transition:color var(--t),background var(--t);
}
.nav-links a:hover{color:var(--green);background:rgba(30,58,50,.06);}
.nav-links a.is-active{color:var(--copper);font-weight:600;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--copper);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-login{font-size:.9375rem;font-weight:500;color:var(--ink-2);transition:color var(--t);}
.nav-login:hover{color:var(--copper);}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  align-items:center;justify-content:center;
  background:#fff;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--green);border-radius:2px;position:relative;
  transition:background var(--t);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green);border-radius:2px;
  transition:transform var(--t);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}
.mobile-menu{
  display:none;
  pointer-events:auto;
  position:fixed;inset:0;z-index:99;
  background:var(--paper);
  padding:104px 24px 32px;
  flex-direction:column;
  overflow-y:auto;
}
.mobile-menu.is-open{display:flex;}
.mobile-menu a.mm-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:1.0625rem;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--divider);
}
.mobile-menu a.mm-link::after{
  content:"";width:8px;height:8px;border-right:1.75px solid var(--ink-3);border-top:1.75px solid var(--ink-3);
  transform:rotate(45deg);
}
.mobile-menu a.mm-link.is-active{color:var(--copper);}
.mobile-menu a.mm-link.is-active::after{border-color:var(--copper);}
.mobile-menu .mm-cta{margin-top:auto;padding-top:24px;}

/* ============ 6. 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 10px 24px -14px rgba(193,116,60,.9);}
.btn-primary:hover{background:var(--copper-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;border-color:var(--green);color:var(--green);}
.btn-outline:hover{background:#EDF2EF;}
.btn-ghost{background:transparent;border-color:rgba(243,239,231,.5);color:var(--ink-inv);}
.btn-ghost:hover{border-color:var(--ink-inv);background:rgba(243,239,231,.08);}
.btn-sm{height:40px;padding:0 20px;font-size:.875rem;}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.btn:focus-visible{box-shadow:0 0 0 3px var(--focus);}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:.75rem;font-weight:600;letter-spacing:.02em;
}
.badge-level{background:rgba(193,116,60,.12);color:var(--copper);}
.badge-cat{background:var(--paper);color:var(--ink-2);}
.badge-lock{background:var(--lock);color:#fff;gap:5px;}

/* ============ 7. 面包屑 ============ */
.breadcrumb{padding:20px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--ink-3);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--ink-3);}
.breadcrumb a{color:var(--ink-3);transition:color var(--t);}
.breadcrumb a:hover{color:var(--copper);}
.breadcrumb [aria-current]{color:var(--copper);font-weight:600;}

/* ============ 8. Hero ============ */
.hero{
  padding:48px 0 72px;
  background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%);
  border-bottom:1px solid var(--divider);
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{margin-top:16px;max-width:14em;}
.hero .hero-sub{margin-top:20px;font-size:1.0625rem;line-height:1.85;color:var(--ink-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:40px;
  padding-top:28px;border-top:1px solid var(--line);
}
.hero-stat b{
  display:block;font-family:var(--font-num);font-size:1.75rem;font-weight:600;color:var(--green);line-height:1.2;
}
.hero-stat span{font-size:.8125rem;color:var(--ink-3);}
.hero-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:16/11;
  box-shadow:var(--sh-1);
  border:1px solid var(--line);
  background:var(--paper-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,35,31,0) 45%,rgba(20,35,31,.35) 100%);
}
.hero-float{
  position:absolute;right:20px;bottom:20px;z-index:2;
  width:200px;padding:14px 16px;border-radius:14px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--copper);
  box-shadow:var(--sh-1);
}
.hero-float strong{display:block;font-size:.9375rem;color:var(--green);}
.hero-float span{display:block;font-size:.8125rem;color:var(--ink-2);line-height:1.7;margin-top:4px;}

/* ============ 9. 筛选药丸 ============ */
.filter-bar{
  display:flex;align-items:center;gap:12px;
  margin-bottom:32px;padding-bottom:20px;
  border-bottom:1px solid var(--divider);
}
.filter-label{font-size:.8125rem;color:var(--ink-3);flex:0 0 auto;}
.pill-row{
  display:flex;gap:10px;overflow-x:auto;
  padding:2px 0 6px;scrollbar-width:none;
}
.pill-row::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:.875rem;font-weight:500;color:var(--ink-2);
  display:inline-flex;align-items:center;
  transition:all var(--t);
}
.pill:hover{border-color:var(--copper);color:var(--copper);}
.pill.is-active{background:var(--copper);border-color:var(--copper);color:#fff;font-weight:600;}
.pill .pill-count{
  margin-left:8px;font-family:var(--font-num);font-size:.75rem;
  opacity:.75;
}

/* ============ 10. 内容卡片网格 ============ */
.content-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.content-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  position:relative;overflow:hidden;
}
.content-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--copper);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.content-card:hover::after{transform:scaleX(1);}
.card-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:16/9;background:var(--paper-2);margin-bottom:14px;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.content-card:hover .card-media img{transform:scale(1.02);}
.card-media .lock-badge{
  position:absolute;left:10px;top:10px;z-index:2;
}
.card-title{
  font-size:1rem;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:3em;
}
.card-desc{
  margin-top:8px;font-size:.875rem;line-height:1.7;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:.75rem;color:var(--ink-3);
}
.card-meta .meta-cat{
  background:var(--paper);border-radius:var(--r-pill);padding:2px 10px;color:var(--ink-2);
}
.card-meta time{font-family:var(--font-num);}
.card-foot{
  margin-top:12px;padding-top:12px;border-top:1px dashed var(--divider);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:.8125rem;font-weight:600;color:var(--copper);
}
.card-foot .arrow{transition:transform var(--t);}
.content-card:hover .card-foot .arrow{transform:translateX(3px);}

/* ============ 11. 深色更新速览 ============ */
.dark-block{
  background:var(--green-dark);color:var(--ink-inv);
  padding:80px 0;
}
.dark-block h2{color:var(--ink-inv);}
.dark-block .section-head h2::before{background:var(--copper-light);}
.dark-block .section-sub{color:#A9B5AE;}
.update-list{margin-top:32px;border-top:1px solid rgba(243,239,231,.14);}
.update-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px;border-bottom:1px solid rgba(243,239,231,.14);
  transition:background var(--t),padding-left var(--t);
}
.update-row:hover{background:rgba(243,239,231,.05);padding-left:12px;}
.update-row .u-title{font-size:1rem;font-weight:600;color:var(--ink-inv);}
.update-row .u-desc{font-size:.875rem;color:#A9B5AE;margin-top:4px;}
.update-row time{font-family:var(--font-num);font-size:.8125rem;color:#A9B5AE;flex:0 0 auto;}
.dark-block .btn{margin-top:36px;}

/* ============ 12. 等级解锁范围 ============ */
.level-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.level-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.level-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.level-card.is-featured{
  border-color:var(--copper);
  box-shadow:0 1px 2px rgba(20,35,31,.06),0 18px 40px -18px rgba(193,116,60,.45);
  position:relative;
}
.level-card.is-featured::before{
  content:"推荐";
  position:absolute;top:-1px;right:20px;
  background:var(--copper);color:#fff;
  font-size:.75rem;font-weight:600;
  padding:3px 12px;border-radius:0 0 10px 10px;
}
.level-card h3{margin-top:14px;color:var(--green);}
.level-card .lvl-for{font-size:.875rem;color:var(--ink-2);margin-top:6px;}
.level-list{margin-top:20px;display:grid;gap:10px;}
.level-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.9375rem;color:var(--ink-2);line-height:1.7;
}
.tick{
  flex:0 0 auto;width:18px;height:18px;margin-top:5px;border-radius:50%;
  background:rgba(193,116,60,.12);
  display:inline-flex;align-items:center;justify-content:center;
}
.tick svg{width:11px;height:11px;}
.level-card .lvl-price{
  margin-top:22px;padding-top:18px;border-top:1px solid var(--divider);
  font-family:var(--font-num);font-size:1.75rem;font-weight:700;color:var(--green);
  display:flex;align-items:baseline;gap:6px;
}
.level-card .lvl-price small{font-size:.8125rem;font-weight:500;color:var(--ink-3);font-family:var(--font-cn);}
.level-card .btn{margin-top:18px;}

/* ============ 13. 使用场景横条 ============ */
.scene-list{display:grid;gap:16px;}
.scene-item{
  display:flex;align-items:center;gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.scene-item:hover{transform:translateX(4px);box-shadow:var(--sh-1);border-color:var(--line);}
.scene-icon{
  flex:0 0 auto;width:48px;height:48px;border-radius:14px;
  background:rgba(30,58,50,.06);color:var(--green);
  display:inline-flex;align-items:center;justify-content:center;
}
.scene-icon svg{width:24px;height:24px;}
.scene-body{flex:1 1 auto;}
.scene-body h3{font-size:1.0625rem;color:var(--ink);}
.scene-body p{margin-top:4px;font-size:.9375rem;color:var(--ink-2);line-height:1.75;}
.scene-tag{
  flex:0 0 auto;font-size:.75rem;color:var(--ink-3);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 12px;
}

/* ============ 14. FAQ ============ */
.faq-list{border-top:1px solid var(--divider);}
.faq-item{border-bottom:1px solid var(--divider);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:12px 0;
  font-size:1.0625rem;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--copper);}
.faq-icon{
  flex:0 0 auto;position:relative;width:22px;height:22px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--copper);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform var(--t),opacity var(--t);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-answer{
  padding:0 0 24px 20px;margin-left:0;
  border-left:3px solid var(--copper);
  font-size:.9375rem;line-height:1.8;color:var(--ink-2);
}

/* ============ 15. CTA 表单 ============ */
.cta-section{padding:96px 0;}
.cta-card{
  max-width:720px;margin:0 auto;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px 40px 36px;box-shadow:var(--sh-1);
}
.cta-card h2{text-align:center;}
.cta-card .cta-sub{
  margin-top:12px;text-align:center;font-size:.9375rem;color:var(--ink-2);line-height:1.8;
}
.cta-form{margin-top:32px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:.875rem;font-weight:600;color:var(--ink);}
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"]{
  height:52px;padding:0 16px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:.9375rem;
  transition:border-color var(--t),box-shadow var(--t);
}
.field input::placeholder{color:var(--ink-3);}
.field input:hover{border-color:#D6CEBE;}
.field input:focus{outline:none;border-color:var(--copper);box-shadow:0 0 0 3px var(--focus);}
.field.has-error input{border-color:var(--warn);}
.field-err{font-size:.8125rem;color:var(--warn);}
.check-row{
  grid-column:1 / -1;
  display:flex;align-items:flex-start;gap:10px;
  font-size:.875rem;color:var(--ink-2);line-height:1.7;cursor:pointer;
}
.check-row input[type="checkbox"]{
  appearance:none;-webkit-appearance:none;
  flex:0 0 auto;width:18px;height:18px;margin-top:3px;
  border:1px solid var(--line);border-radius:5px;background:#fff;
  transition:background var(--t),border-color var(--t);
}
.check-row input[type="checkbox"]:checked{
  background:var(--copper);border-color:var(--copper);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.3 2.3L9.5 3.8' fill='none' stroke='white' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size:14px 14px;background-position:center;background-repeat:no-repeat;
}
.check-row input[type="checkbox"]:focus-visible{box-shadow:0 0 0 3px var(--focus);}
.form-alert{
  grid-column:1 / -1;
  padding:12px 16px;border-radius:var(--r-input);
  font-size:.875rem;line-height:1.7;
}
.form-alert.is-ok{background:rgba(62,107,79,.1);color:var(--ok);border:1px solid rgba(62,107,79,.28);}
.form-alert.is-err{background:rgba(180,85,47,.08);color:var(--warn);border:1px solid rgba(180,85,47,.28);}

/* ============ 16. 相关分类 ============ */
.related{
  padding:56px 0 72px;
  border-top:1px solid var(--divider);
}
.related-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:24px;}
.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.related-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;font-size:.9375rem;font-weight:600;color:var(--green);
  transition:transform var(--t),box-shadow var(--t),color var(--t),border-color var(--t);
}
.related-links a:hover{transform:translateY(-3px);box-shadow:var(--sh-1);color:var(--copper);border-color:var(--copper);}
.related-links a span.arrow{color:var(--copper);}

/* ============ 17. 页脚 ============ */
.footer{
  background:var(--green-dark);color:var(--ink-inv);
  border-top:1px solid rgba(193,116,60,.3);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer .brand-mark{background:var(--copper);}
.footer .brand-text{color:var(--ink-inv);}
.footer p{font-size:.875rem;line-height:1.8;color:#A9B5AE;max-width:32em;}
.footer h4{
  font-family:var(--font-num);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;
  color:rgba(243,239,231,.75);font-weight:600;margin-bottom:16px;
}
.footer ul li{margin-bottom:10px;}
.footer ul a{font-size:.875rem;color:#A9B5AE;transition:color var(--t);}
.footer ul a:hover{color:var(--copper-light);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(243,239,231,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:#8A938D;font-family:var(--font-num);
}

/* ============ 18. 响应式 ============ */
@media (max-width:1279px){
  .content-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:1023px){
  .content-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-media{aspect-ratio:16/9;}
  .hero-float{display:none;}
  .level-cards{grid-template-columns:1fr;}
  .related-links{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  body{padding-top:84px;}
  .container{padding:0 20px;}
  .nav-pill{height:56px;padding:0 16px;}
  .nav-links,.nav-actions .nav-login{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-sm{height:38px;padding:0 16px;font-size:.8125rem;}
  .cta-card{padding:28px 20px;}
  .content-grid{grid-template-columns:1fr;}
  .scene-item{flex-direction:column;align-items:flex-start;gap:14px;}
  .scene-tag{align-self:flex-start;}
  .related-links{grid-template-columns:1fr;}
  .cta-form{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-item summary{min-height:56px;font-size:1rem;}
  .update-row{flex-direction:column;align-items:flex-start;gap:6px;}
  .section{padding:56px 0;}
  .hero{padding:32px 0 48px;}
  .section-head{margin-bottom:28px;}
}
@media (max-width:479px){
  .hero-stats{gap:20px;}
  .hero-stat b{font-size:1.5rem;}
  .btn{width:100%;}
  .nav-actions .btn-sm{width:auto;}
  .hero-actions .btn{width:100%;}
  .filter-bar{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category4 */
/* ============================================================
   1. 设计变量
   ============================================================ */
:root{
  --ink:#1E3A32;
  --ink-deep:#14231F;
  --ink-soft:#2C5348;
  --copper:#C1743C;
  --copper-light:#E2A468;
  --copper-deep:#A9632F;
  --paper:#F6F2EA;
  --paper-deep:#F1EADF;
  --card:#FFFFFF;
  --text:#1B1F1D;
  --text-sub:#5B6660;
  --text-weak:#8A938D;
  --text-invert:#F3EFE7;
  --line:#E4DED2;
  --line-soft:#EDE7DB;
  --focus-ring:rgba(193,116,60,.35);
  --success:#3E6B4F;
  --warn:#B4552F;
  --lock:#8A938D;
  --radius-pill:999px;
  --radius-card:16px;
  --radius-table:14px;
  --radius-input:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,35,31,.06),0 12px 32px -14px rgba(20,35,31,.14);
  --shadow-2:0 2px 4px rgba(20,35,31,.08),0 20px 44px -16px rgba(20,35,31,.22);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:Inter,Helvetica,Arial,sans-serif;
}

/* ============================================================
   2. Reset / Base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--copper);outline-offset:3px;box-shadow:0 0 0 4px var(--focus-ring);border-radius:6px;}
::selection{background:rgba(193,116,60,.2);}

/* ============================================================
   3. 排版
   ============================================================ */
h1,.h1{font-size:clamp(2rem,4.2vw,3.25rem);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--ink-deep);}
h2,.h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;line-height:1.35;color:var(--ink-deep);letter-spacing:-.005em;}
h3,.h3{font-size:clamp(1.125rem,1.6vw,1.375rem);font-weight:600;line-height:1.5;color:var(--ink);}
p{line-height:1.85;color:var(--text-sub);}
.lead{font-size:1.0625rem;color:var(--text-sub);}
.eyebrow{
  font-family:var(--font-num);
  font-size:.75rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--copper);
  font-weight:600;
}
.num{font-family:var(--font-num);font-weight:600;letter-spacing:-.01em;}

/* ============================================================
   4. 布局
   ============================================================ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.section-head::before{
  content:"";
  width:4px;
  height:28px;
  border-radius:2px;
  background:var(--copper);
  flex:none;
}
.section-head h2{flex:1 1 auto;}
.section-head .head-link{
  font-size:.9375rem;
  color:var(--copper);
  font-weight:600;
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),color var(--ease);
}
.section-head .head-link:hover{border-color:var(--copper);}
.hairline{height:1px;background:rgba(193,116,60,.3);border:0;}

/* ============================================================
   5. 组件
   ============================================================ */
/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-pill);
  font-weight:600;
  font-size:1rem;
  line-height:1;
  border:1px solid transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:.9375rem;}
.btn-primary{background:var(--copper);color:var(--text-invert);}
.btn-primary:hover{background:var(--copper-deep);transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(169,99,47,.7);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--copper);color:var(--copper);}
.btn-ghost:hover{background:rgba(193,116,60,.08);transform:translateY(-1px);}
.btn-outline{background:var(--card);border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:#EDF2EF;transform:translateY(-1px);}
.btn-invert{background:transparent;border-color:rgba(243,239,231,.5);color:var(--text-invert);}
.btn-invert:hover{background:rgba(243,239,231,.1);border-color:var(--text-invert);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none;}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:.75rem;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
}
.badge-level{background:rgba(193,116,60,.12);color:var(--copper);}
.badge-cat{background:var(--paper);color:var(--text-weak);}
.badge-lock{background:var(--lock);color:#fff;}
.badge-soft{background:rgba(30,58,50,.07);color:var(--ink-soft);}

/* 标签组 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  background:var(--card);
  border:1px solid var(--line);
  color:var(--text-sub);
  font-size:.875rem;
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.tag:hover{border-color:var(--copper);color:var(--copper);}
.tag.is-on{background:var(--copper);border-color:var(--copper);color:var(--text-invert);font-weight:600;}

/* 计数徽章 */
.count-pill{
  display:inline-flex;
  align-items:center;
  height:22px;
  min-width:22px;
  padding:0 8px;
  border-radius:var(--radius-pill);
  background:rgba(193,116,60,.12);
  color:var(--copper);
  font-family:var(--font-num);
  font-size:.75rem;
  font-weight:600;
}

/* 提示条 */
.notice{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:16px 20px;
  border-radius:var(--radius-table);
  background:var(--card);
  border:1px solid var(--line);
  border-left:3px solid var(--copper);
  color:var(--text-sub);
  font-size:.9375rem;
  line-height:1.7;
}
.notice strong{color:var(--ink);}

/* 图标 */
.ico{width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.ico-lg{width:28px;height:28px;}

/* ============================================================
   6. 头部 / 导航
   ============================================================ */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:60;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:min(1200px,calc(100% - 32px));
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 20px;
  border-radius:var(--radius-pill);
  background:rgba(246,242,234,.82);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  transition:height var(--ease),background-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled .nav-shell{
  height:56px;
  background:rgba(246,242,234,.94);
  box-shadow:0 1px 2px rgba(20,35,31,.06),0 14px 34px -18px rgba(20,35,31,.28);
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--copper);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
  font-weight:700;
  font-size:.875rem;
  letter-spacing:.02em;
}
.brand-text{
  font-family:var(--font-num);
  font-weight:700;
  font-size:1.0625rem;
  letter-spacing:.02em;
  color:var(--ink-deep);
}
.nav-main{flex:1 1 auto;display:flex;justify-content:center;}
.nav-main ul{display:flex;align-items:center;gap:4px;}
.nav-main a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  font-size:.9375rem;
  color:var(--text-sub);
  transition:color var(--ease),background-color var(--ease);
}
.nav-main a:hover{color:var(--ink);background:rgba(30,58,50,.05);}
.nav-main a.is-active{color:var(--copper);font-weight:600;}
.nav-main a.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:4px;height:4px;
  margin-left:-2px;
  border-radius:50%;
  background:var(--copper);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.link-login{
  font-size:.9375rem;
  color:var(--text-sub);
  padding:8px 10px;
  border-radius:var(--radius-pill);
  transition:color var(--ease);
}
.link-login:hover{color:var(--ink);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动端面板 */
.mobile-nav{
  position:fixed;
  inset:0;
  z-index:55;
  background:var(--paper);
  padding:96px 20px 100px;
  display:none;
  flex-direction:column;
  overflow-y:auto;
}
.mobile-nav.is-open{display:flex;}
.mobile-nav a.m-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:56px;
  border-bottom:1px solid var(--line-soft);
  font-size:1.0625rem;
  color:var(--ink);
}
.mobile-nav a.m-link.is-active{color:var(--copper);font-weight:600;}
.mobile-nav .m-cta{margin-top:auto;padding-top:24px;}
.mobile-nav .m-cta .btn{width:100%;}

/* ============================================================
   7. 面包屑
   ============================================================ */
.crumbs{padding:104px 0 0;}
.crumbs ol{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  min-height:40px;
  font-size:.8125rem;
  color:var(--text-weak);
}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--line);}
.crumbs a{color:var(--text-weak);transition:color var(--ease);}
.crumbs a:hover{color:var(--copper);}
.crumbs [aria-current="page"]{color:var(--copper);font-weight:600;}

/* ============================================================
   8. 板块：Hero
   ============================================================ */
.hero-guide{
  position:relative;
  padding:40px 0 0;
}
.hero-guide .hero-inner{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
  background:linear-gradient(180deg,var(--paper) 0%,var(--paper-deep) 100%);
  border:1px solid var(--line);
  border-radius:24px;
  padding:56px;
  overflow:hidden;
}
.hero-guide .eyebrow{margin-bottom:14px;display:block;}
.hero-guide h1{margin-bottom:18px;}
.hero-guide .hero-sub{
  font-size:1.0625rem;
  color:var(--text-sub);
  max-width:620px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-stats{
  display:flex;
  align-items:stretch;
  gap:0;
  border-top:1px solid var(--line);
  padding-top:24px;
  flex-wrap:wrap;
}
.hero-stats .stat{
  padding:0 26px;
  border-left:1px solid var(--line);
  min-width:130px;
}
.hero-stats .stat:first-child{padding-left:0;border-left:0;}
.hero-stats .stat b{
  display:block;
  font-family:var(--font-num);
  font-size:1.75rem;
  font-weight:600;
  color:var(--ink-deep);
  line-height:1.2;
}
.hero-stats .stat span{font-size:.8125rem;color:var(--text-weak);}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.hero-float{
  position:absolute;
  left:-24px;
  bottom:24px;
  width:200px;
  background:var(--card);
  border:1px solid var(--copper);
  border-radius:var(--radius-card);
  padding:16px;
  box-shadow:var(--shadow-1);
}
.hero-float b{display:block;font-size:.9375rem;color:var(--ink-deep);margin-bottom:4px;}
.hero-float span{font-size:.8125rem;color:var(--text-weak);line-height:1.6;display:block;}

/* ============================================================
   9. 板块：双列解说块
   ============================================================ */
.explain{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;}
.explain.reverse .explain-media{order:-1;}
.explain-body h2{margin-bottom:16px;}
.explain-body p{margin-bottom:.95em;}
.explain-body p:nth-child(3n+3){margin-bottom:24px;}
.explain-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.step-list{margin-top:8px;}
.step-list li{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--line-soft);
}
.step-list li:last-child{border-bottom:0;}
.step-list .step-no{
  flex:none;
  width:28px;height:28px;
  border-radius:50%;
  background:rgba(193,116,60,.12);
  color:var(--copper);
  font-family:var(--font-num);
  font-weight:600;
  font-size:.8125rem;
  display:flex;align-items:center;justify-content:center;
}
.step-list .step-tx b{display:block;color:var(--ink);font-size:1rem;line-height:1.6;}
.step-list .step-tx span{font-size:.875rem;color:var(--text-weak);line-height:1.7;}

/* ============================================================
   10. 板块：横向对比条
   ============================================================ */
.compare-strip{display:flex;flex-direction:column;gap:16px;}
.compare-item{
  display:grid;
  grid-template-columns:56px minmax(0,1fr) minmax(0,1.25fr) auto;
  align-items:center;
  gap:24px;
  padding:24px 28px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  position:relative;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.compare-item::after{
  content:"";
  position:absolute;
  left:28px;right:28px;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--copper);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.compare-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.compare-item:hover::after{transform:scaleX(1);}
.compare-icon{
  width:56px;height:56px;
  border-radius:14px;
  background:rgba(30,58,50,.06);
  color:var(--copper);
  display:flex;align-items:center;justify-content:center;
}
.compare-item h3{margin-bottom:2px;}
.compare-item .ci-desc{font-size:.9375rem;color:var(--text-sub);line-height:1.7;}
.compare-item .ci-note{
  font-size:.875rem;
  color:var(--text-weak);
  text-align:right;
  min-width:150px;
}
.compare-item .ci-note b{display:block;color:var(--ink);font-family:var(--font-num);font-weight:600;font-size:1.0625rem;}

/* ============================================================
   11. 板块：FAQ
   ============================================================ */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:64px;
  padding:14px 0;
  font-size:1.0625rem;
  font-weight:600;
  color:var(--ink-deep);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--copper);}
.faq-plus{
  flex:none;
  position:relative;
  width:20px;height:20px;
}
.faq-plus::before,
.faq-plus::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  width:14px;height:1.75px;
  background:var(--copper);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform var(--ease),opacity var(--ease);
}
.faq-plus::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item[open] .faq-plus::after{transform:translate(-50%,-50%) rotate(0deg);opacity:0;}
.faq-body{
  padding:4px 0 24px 16px;
  border-left:3px solid var(--copper);
  margin-left:2px;
  font-size:.9375rem;
  color:var(--text-sub);
  line-height:1.8;
}
.faq-body p{font-size:.9375rem;line-height:1.8;}

/* ============================================================
   12. 板块：相关分类 + CTA
   ============================================================ */
.cta-panel{
  background:var(--ink-deep);
  border-radius:24px;
  padding:64px 56px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-panel h2{color:var(--text-invert);margin-bottom:12px;}
.cta-panel p{color:#A9B5AE;max-width:620px;margin:0 auto 28px;}
.cta-panel .cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}
.rel-cats{
  margin-top:40px;
  padding-top:32px;
  border-top:1px solid rgba(193,116,60,.35);
}
.rel-cats h3{color:var(--text-invert);font-size:.75rem;letter-spacing:.08em;font-family:var(--font-num);text-transform:uppercase;margin-bottom:14px;}
.rel-cats ul{display:flex;justify-content:center;gap:28px;flex-wrap:wrap;}
.rel-cats a{
  color:#CFD8D3;
  font-size:.9375rem;
  border-bottom:1px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.rel-cats a:hover{color:var(--copper-light);border-color:var(--copper-light);}
.back-line{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:24px;
  font-size:.9375rem;
  color:var(--copper);
  font-weight:600;
}
.back-line:hover{text-decoration:underline;}

/* ============================================================
   13. 页脚
   ============================================================ */
.footer{
  background:var(--ink-deep);
  color:var(--text-invert);
  margin-top:96px;
  padding:64px 0 28px;
  border-top:1px solid rgba(193,116,60,.3);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:transparent;border:1px solid var(--copper);color:var(--copper-light);}
.footer-brand .brand-text{color:var(--text-invert);}
.footer p{color:#A9B5AE;font-size:.9375rem;line-height:1.8;}
.footer h4{
  font-size:.75rem;
  letter-spacing:.08em;
  font-family:var(--font-num);
  text-transform:uppercase;
  color:var(--text-invert);
  margin-bottom:16px;
  font-weight:600;
}
.footer ul li{margin-bottom:10px;}
.footer ul a{
  color:#A9B5AE;
  font-size:.9375rem;
  transition:color var(--ease);
}
.footer ul a:hover{color:var(--copper-light);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  border-top:1px solid rgba(243,239,231,.12);
  font-size:.8125rem;
  color:#8A938D;
}

/* ============================================================
   14. 状态 / 响应式
   ============================================================ */
@media (max-width:1279px){
  .hero-guide .hero-inner{padding:48px;gap:36px;}
  .hero-float{left:12px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-main{display:none;}
  .nav-actions .link-login{display:none;}
  .nav-toggle{display:flex;}
  .hero-guide .hero-inner{
    grid-template-columns:minmax(0,1fr);
    padding:40px 32px;
  }
  .hero-figure{margin-top:8px;}
  .hero-float{display:none;}
  .explain{grid-template-columns:minmax(0,1fr);gap:32px;}
  .explain.reverse .explain-media{order:0;}
  .compare-item{grid-template-columns:48px minmax(0,1fr);gap:16px 18px;padding:20px;}
  .compare-item .ci-desc{grid-column:1 / -1;}
  .compare-item .ci-note{grid-column:1 / -1;text-align:left;min-width:0;}
  .compare-item .ci-note b{display:inline;margin-right:6px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{padding:48px 32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .crumbs{padding-top:96px;}
  .nav-shell{padding:0 14px;gap:12px;}
  .nav-actions .btn{height:38px;padding:0 16px;font-size:.875rem;}
  .hero-guide .hero-inner{padding:32px 20px;border-radius:20px;}
  .hero-guide .hero-sub{font-size:1rem;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:0;}
  .hero-stats .stat{padding:12px 18px 0 0;border-left:0;min-width:0;}
  .hero-stats .stat b{font-size:1.5rem;}
  .compare-icon{width:44px;height:44px;border-radius:12px;}
  .faq-item summary{min-height:56px;font-size:1rem;}
  .cta-panel{border-radius:20px;padding:40px 20px;}
  .rel-cats ul{gap:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer{margin-top:64px;}
}
@media (max-width:479px){
  h1,.h1{font-size:1.75rem;}
  .brand-text{font-size:1rem;}
  .hero-stats .stat{width:50%;padding-right:0;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}