/* roulang page: index */
:root{
  --primary:#0F9D76;
  --primary-dark:#0A7C5C;
  --primary-light:#E6F6F1;
  --accent:#FF7A1A;
  --accent-light:#FFF1E4;
  --ink:#12211F;
  --text:#1F2E30;
  --text-2:#5C6E70;
  --text-3:#8B9A9C;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --alt:#F1F4F1;
  --line:#E7E4DC;
  --r-btn:10px;
  --r-card:14px;
  --r-lg:18px;
  --r-img:12px;
  --l1:0 2px 8px rgba(18,33,31,.06);
  --l2:0 10px 28px rgba(18,33,31,.10);
  --l3:0 18px 48px rgba(18,33,31,.14);
  --t:.22s ease;
  --bs-primary:#0F9D76;
  --bs-body-bg:#F7F6F2;
  --bs-body-color:#1F2E30;
  --bs-border-color:#E7E4DC;
  --bs-border-radius:14px;
  --bs-link-color:#0F9D76;
  --bs-link-hover-color:#0A7C5C;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:96px;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:var(--t);}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);font-style:normal;}
p{margin:0 0 1em;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
.topbar{height:52px;display:flex;align-items:center;transition:height .25s ease;}
.topbar-inner{display:flex;align-items:center;gap:20px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:32px;height:32px;border-radius:4px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:-.5px;flex:0 0 32px;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.4px;white-space:nowrap;}
.topbar-right{display:flex;align-items:center;gap:16px;margin-left:auto;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box i{position:absolute;left:12px;font-size:13px;color:var(--text-3);}
.search-box input{
  width:230px;height:38px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;
  padding:0 12px 0 32px;font-size:14px;color:var(--text);
  transition:var(--t);
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(15,157,118,.15);
}
.hotwords{display:flex;align-items:center;gap:12px;font-size:13px;}
.hotwords-label{color:var(--text-3);font-weight:500;}
.hotwords a{color:var(--text-2);font-weight:500;}
.hotwords a:hover{color:var(--primary);}
.menu-btn{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-btn);color:var(--text);font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;transition:var(--t);
}
.menu-btn:hover{border-color:var(--primary);color:var(--primary);}
.channelbar{height:44px;border-top:1px solid var(--line);transition:height .25s ease,opacity .25s ease;}
.channel-inner{display:flex;align-items:center;height:44px;gap:28px;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:var(--primary);border-radius:3px 3px 0 0;opacity:0;transition:var(--t);
}
.channel-link:hover{color:var(--primary);}
.channel-link.active{color:var(--primary);}
.channel-link.active::after{opacity:1;}
.site-header.scrolled{
  background:var(--ink);border-bottom-color:rgba(255,255,255,.08);
  box-shadow:var(--l2);
}
.site-header.scrolled .topbar{height:34px;}
.site-header.scrolled .channelbar{height:30px;border-top-color:rgba(255,255,255,.08);}
.site-header.scrolled .channel-inner{height:30px;}
.site-header.scrolled .channel-link{height:30px;}
.site-header.scrolled .brand-text,
.site-header.scrolled .channel-link{color:#fff;}
.site-header.scrolled .brand-mark{background:var(--primary);}
.site-header.scrolled .channel-link:hover,
.site-header.scrolled .channel-link.active{color:var(--primary);}
.site-header.scrolled .search-box input{
  background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff;
}
.site-header.scrolled .search-box input::placeholder{color:rgba(255,255,255,.55);}
.site-header.scrolled .search-box i{color:rgba(255,255,255,.6);}
.site-header.scrolled .hotwords a{color:rgba(255,255,255,.7);}
.site-header.scrolled .hotwords a:hover{color:var(--primary);}
.site-header.scrolled .hotwords-label{color:rgba(255,255,255,.45);}
.site-header.scrolled .menu-btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,31,.45);
  opacity:0;visibility:hidden;transition:var(--t);z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;background:#fff;
  transform:translateX(100%);transition:transform .28s ease;z-index:1050;
  display:flex;flex-direction:column;padding:20px 0 0;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--line);}
.drawer-head span{font-weight:800;font-size:16px;}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);
  color:var(--text);font-size:16px;cursor:pointer;
}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 20px;
  font-size:16px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--primary);background:var(--primary-light);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  border-radius:var(--r-btn);font-weight:600;border-width:1.5px;
  transition:var(--t);display:inline-flex;align-items:center;justify-content:center;gap:8px;
}
.btn-primary{
  --bs-btn-bg:var(--primary);
  --bs-btn-border-color:var(--primary);
  --bs-btn-color:#fff;
  --bs-btn-hover-bg:var(--primary-dark);
  --bs-btn-hover-border-color:var(--primary-dark);
  --bs-btn-hover-color:#fff;
  --bs-btn-active-bg:var(--primary-dark);
  --bs-btn-active-border-color:var(--primary-dark);
  --bs-btn-active-color:#fff;
  box-shadow:var(--l1);
}
.btn-primary:hover{transform:translateY(-1px);}
.btn-outline-primary{
  --bs-btn-bg:#fff;
  --bs-btn-border-color:var(--primary);
  --bs-btn-color:var(--primary);
  --bs-btn-hover-bg:var(--primary-light);
  --bs-btn-hover-border-color:var(--primary);
  --bs-btn-hover-color:var(--primary-dark);
  --bs-btn-active-bg:var(--primary-light);
  --bs-btn-active-border-color:var(--primary);
  --bs-btn-active-color:var(--primary-dark);
}
.btn-outline-light{
  --bs-btn-bg:transparent;
  --bs-btn-border-color:rgba(255,255,255,.7);
  --bs-btn-color:#fff;
  --bs-btn-hover-bg:#fff;
  --bs-btn-hover-border-color:#fff;
  --bs-btn-hover-color:var(--ink);
  --bs-btn-active-bg:#fff;
  --bs-btn-active-color:var(--ink);
}
.btn-lg{padding:14px 28px;font-size:16px;min-height:48px;}
.btn-md{padding:10px 22px;font-size:15px;min-height:40px;}
.btn-sm{padding:6px 16px;font-size:14px;min-height:32px;}
.btn-link-arrow{
  background:none;border:0;padding:0;color:var(--primary);font-weight:600;font-size:14px;
  display:inline-flex;align-items:center;gap:6px;
}
.btn-link-arrow i{transition:var(--t);font-size:12px;}
.btn-link-arrow:hover{color:var(--primary-dark);}
.btn-link-arrow:hover i{transform:translateX(3px);}

/* ---------- 通用 ---------- */
.tag{
  display:inline-block;background:var(--primary-light);color:var(--primary);
  border-radius:999px;font-size:12px;font-weight:600;padding:4px 12px;line-height:1.5;
}
.tag-accent{background:var(--accent-light);color:var(--accent);}
.section{padding:80px 0;}
.section-alt{background:var(--alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-title{font-size:28px;line-height:1.3;font-weight:700;position:relative;padding-bottom:18px;}
.section-title::after{
  content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;background:var(--primary);border-radius:3px;
}
.section-desc{color:var(--text-2);font-size:15px;max-width:720px;margin-top:14px;line-height:1.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--primary);letter-spacing:.5px;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--primary);border-radius:2px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:520px;display:flex;align-items:flex-end;
  overflow:hidden;background:var(--ink);
}
.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
}
.hero-mask{
  position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(680px 420px at 12% 78%, rgba(15,157,118,.42), rgba(15,157,118,0) 72%),
    linear-gradient(100deg, rgba(18,33,31,.94) 0%, rgba(18,33,31,.82) 42%, rgba(18,33,31,.42) 78%, rgba(18,33,31,.28) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding-top:150px;padding-bottom:52px;}
.hero-copy{max-width:680px;}
.hero-kicker{
  display:inline-block;background:rgba(255,255,255,.14);color:#fff;
  border:1px solid rgba(255,255,255,.22);border-radius:999px;
  font-size:13px;font-weight:600;padding:6px 14px;margin-bottom:18px;
}
.hero h1{
  color:#fff;font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.5px;
  margin-bottom:16px;
}
.hero-sub{color:rgba(255,255,255,.86);font-size:18px;line-height:1.7;max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-stats{
  list-style:none;margin:0;padding:0;display:flex;gap:44px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.18);padding-top:22px;max-width:560px;
}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.stat-num{font-size:26px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-label{font-size:13px;color:rgba(255,255,255,.68);font-weight:500;}
.hero-badge{
  position:absolute;right:20px;bottom:24px;z-index:2;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  color:#fff;font-size:13px;font-weight:600;border-radius:999px;padding:6px 16px;
  backdrop-filter:blur(4px);
}
.hero-badge::before{
  content:"";display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--accent);margin-right:8px;vertical-align:middle;
}

/* ---------- 玩法四步 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;align-items:start;}
.step{
  position:relative;padding:0 22px;border-left:1px dashed var(--line);
}
.step:first-child{border-left:0;padding-left:0;}
.step:last-child{padding-right:0;}
.step-num{
  width:42px;height:42px;border-radius:50%;border:2px solid var(--primary);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;background:#fff;margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;line-height:1.45;margin-bottom:10px;}
.step p{font-size:15px;color:var(--text-2);line-height:1.8;margin:0;}

/* ---------- 奖励预览 ---------- */
.reward-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--l2);overflow:hidden;height:100%;display:flex;flex-direction:column;
}
.reward-main-img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.reward-main-body{padding:28px;display:flex;flex-direction:column;flex:1;}
.reward-main h3{font-size:22px;margin-bottom:12px;}
.reward-main p{font-size:15px;color:var(--text-2);}
.reward-points{list-style:none;margin:6px 0 20px;padding:0;}
.reward-points li{
  position:relative;padding-left:20px;font-size:15px;color:var(--text);
  line-height:1.9;
}
.reward-points li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;
  border-radius:50%;background:var(--primary);
}
.reward-side{display:flex;flex-direction:column;gap:24px;height:100%;}
.reward-mini{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--l1);padding:20px;display:flex;gap:18px;align-items:flex-start;
  flex:1;transition:var(--t);
}
.reward-mini:hover{box-shadow:var(--l2);transform:translateY(-3px);}
.mini-icon{
  width:80px;height:80px;flex:0 0 80px;border-radius:var(--r-img);
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:28px;
  overflow:hidden;
}
.mini-icon img{width:100%;height:100%;object-fit:cover;}
.reward-mini h3{font-size:18px;margin-bottom:8px;}
.reward-mini p{font-size:14px;color:var(--text-2);margin:0 0 10px;line-height:1.75;}
.tiers{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.tier{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--l1);padding:20px 24px;display:flex;align-items:center;gap:20px;
  transition:var(--t);
}
.tier:hover{box-shadow:var(--l2);transform:translateY(-3px);}
.tier-name{font-size:16px;font-weight:700;flex:0 0 120px;}
.tier-bar{flex:1;min-width:80px;}
.tier-bar-track{height:8px;border-radius:999px;background:var(--alt);overflow:hidden;}
.tier-bar-fill{height:100%;border-radius:999px;background:var(--primary);animation:grow .6s ease-out;}
.tier-bar-fill.accent{background:var(--accent);}
@keyframes grow{from{width:0;}}
.tier-badge{flex:0 0 auto;}

/* ---------- 任务进度 ---------- */
.progress-band{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--l1);padding:28px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;
}
.progress-band-text{flex:1;min-width:200px;}
.progress-band-text h3{font-size:18px;margin-bottom:6px;}
.progress-band-text p{font-size:14px;color:var(--text-2);margin:0;}
.progress-track{
  flex:2;min-width:220px;height:12px;border-radius:999px;background:var(--alt);overflow:hidden;
}
.progress-fill{
  height:100%;border-radius:999px;background:var(--primary);width:68%;animation:grow .6s ease-out;
}
.progress-percent{
  font-size:24px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.milestones{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px;
}
.milestone{display:flex;align-items:flex-start;gap:12px;}
.ms-dot{
  width:16px;height:16px;border-radius:50%;flex:0 0 16px;margin-top:5px;
  border:2px solid var(--text-3);background:transparent;
}
.milestone.done .ms-dot{background:var(--primary);border-color:var(--primary);}
.milestone.active .ms-dot{background:var(--accent);border-color:var(--accent);}
.ms-label{font-size:15px;font-weight:600;color:var(--text);}
.ms-state{font-size:13px;color:var(--text-2);font-weight:500;display:inline-flex;align-items:center;gap:6px;}
.ms-state::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--text-3);}
.milestone.done .ms-state::before{background:var(--primary);}
.milestone.active .ms-state::before{background:var(--accent);}
.progress-note{margin-top:28px;font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* ---------- 数据见证 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--l1);padding:28px 24px;transition:var(--t);
}
.stat-card:hover{box-shadow:var(--l2);transform:translateY(-3px);}
.stat-card .num{font-size:32px;font-weight:700;color:var(--primary);line-height:1.2;display:block;}
.stat-card .cap{font-size:15px;font-weight:600;margin:8px 0 6px;}
.stat-card .desc{font-size:14px;color:var(--text-2);line-height:1.75;margin:0;}

/* ---------- 资讯列表 ---------- */
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-item{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--l1);padding:18px;transition:var(--t);
  color:inherit;
}
.news-item:hover{box-shadow:var(--l2);transform:translateY(-3px);color:inherit;}
.news-thumb{
  width:96px;height:96px;flex:0 0 96px;border-radius:var(--r-img);
  overflow:hidden;background:var(--primary-light);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease;}
.news-item:hover .news-thumb img{transform:scale(1.04);}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;}
.news-title{
  font-size:16px;font-weight:700;line-height:1.5;margin:8px 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  font-size:14px;color:var(--text-2);line-height:1.7;margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-2);font-weight:500;
}
.news-time{font-variant-numeric:tabular-nums;}
.news-more{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.hot-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--l2);overflow:hidden;height:100%;display:flex;flex-direction:column;
}
.hot-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hot-card-body{padding:26px;display:flex;flex-direction:column;flex:1;}
.hot-card h3{font-size:20px;margin:12px 0 10px;line-height:1.45;}
.hot-card p{font-size:15px;color:var(--text-2);line-height:1.8;}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:40px 24px;text-align:center;
}
.empty-icon{
  width:80px;height:80px;border-radius:50%;background:var(--primary-light);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:30px;
}
.empty-state p{font-size:15px;color:var(--text-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--l1);overflow:hidden;transition:var(--t);
}
.faq-item.open{box-shadow:var(--l2);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px 20px 28px;font-size:16px;font-weight:700;color:var(--text);
  position:relative;line-height:1.6;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  background:var(--primary);border-radius:0 4px 4px 0;transition:var(--t);
}
.faq-item.open .faq-q::before{background:var(--accent);}
.faq-icon{
  flex:0 0 28px;text-align:center;color:var(--primary);font-size:20px;font-weight:700;line-height:1;
}
.faq-item.open .faq-icon{color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 28px 22px;margin:0;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--r-lg);padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-180px;
  background:radial-gradient(circle, rgba(15,157,118,.35), rgba(15,157,118,0) 70%);
}
.cta-band-text{position:relative;z-index:1;flex:1;min-width:260px;}
.cta-band h2{color:#fff;font-size:26px;line-height:1.35;margin-bottom:10px;padding:0;}
.cta-band h2::after{display:none;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0;}
.cta-band .btn{position:relative;z-index:1;}
.cta-note{
  margin-top:18px;font-size:13px;color:var(--text-2);line-height:1.8;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 0;margin-top:0;}
.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 .brand-mark{background:var(--primary);}
.footer-brand span.brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.66);line-height:1.85;margin-bottom:16px;max-width:320px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:12px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:24px;height:3px;background:var(--primary);border-radius:3px;
}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:2px;}
.footer-links a{font-size:14px;line-height:2.2;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero h1{font-size:38px;}
}
@media (max-width:1024px){
  .container{padding:0 18px;}
  .hero h1{font-size:34px;}
  .hero-stats{gap:32px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  body{padding-top:56px;}
  .topbar{height:56px;}
  .channelbar{display:none;}
  .search-box,.hotwords{display:none;}
  .menu-btn{display:flex;}
  .topbar-right{margin-left:auto;}
  .site-header.scrolled .topbar{height:56px;}
  .hero{min-height:420px;}
  .hero-inner{padding-top:120px;padding-bottom:40px;}
  .steps{grid-template-columns:1fr;gap:0;}
  .step{border-left:0;padding:0 0 26px 26px;position:relative;}
  .step::before{
    content:"";position:absolute;left:5px;top:44px;bottom:0;width:1px;
    background:var(--line);
  }
  .step:last-child{padding-bottom:0;}
  .step:last-child::before{display:none;}
  .step-num{margin-bottom:12px;width:36px;height:36px;font-size:15px;}
  .milestones{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .section-title{font-size:22px;line-height:1.35;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-badge{right:16px;bottom:16px;font-size:12px;}
  .hero-stats{gap:26px;padding-top:18px;}
  .stat-num{font-size:22px;}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:22px;}
  .news-item{flex-direction:column;}
  .news-thumb{width:100%;height:180px;flex:0 0 180px;}
  .tier{flex-wrap:wrap;gap:14px;}
  .tier-name{flex:0 0 100%;}
  .tier-badge{margin-left:auto;}
  .progress-band{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero h1{font-size:25px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .stats-grid{grid-template-columns:1fr;}
  .milestones{grid-template-columns:1fr;}
  .section-head{margin-bottom:28px;}
  .faq-q{padding:18px 20px 18px 24px;font-size:15px;}
  .faq-a p{padding:0 24px 20px;}
  .reward-main-body{padding:22px;}
  .hot-card-body{padding:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --primary:#0F9D76;
  --primary-dark:#0A7C5C;
  --primary-light:#E6F6F1;
  --accent:#FF7A1A;
  --accent-light:#FFF1E4;
  --ink:#12211F;
  --text:#1F2E30;
  --text-2:#5C6E70;
  --text-3:#8B9A9C;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --alt:#F1F4F1;
  --line:#E7E4DC;
  --r-btn:10px;
  --r-card:14px;
  --r-lg:18px;
  --r-img:12px;
  --sh1:0 2px 8px rgba(18,33,31,.06);
  --sh2:0 10px 28px rgba(18,33,31,.10);
  --sh3:0 18px 48px rgba(18,33,31,.14);
  --t:.22s ease;
  --bs-primary:#0F9D76;
  --bs-body-bg:#F7F6F2;
  --bs-body-color:#1F2E30;
  --bs-border-color:#E7E4DC;
  --bs-border-radius:14px;
  --bs-link-color:#0F9D76;
  --bs-link-hover-color:#0A7C5C;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
body.nav-fixed{padding-top:64px}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--primary-dark)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);font-style:normal}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.narrow{max-width:1200px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:relative;z-index:1030;width:100%;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:background var(--t),box-shadow var(--t),height var(--t);
}
.site-header.scrolled{
  position:fixed;top:0;left:0;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh2);
}
.topbar{height:52px;display:flex;align-items:center;transition:height var(--t)}
.site-header.scrolled .topbar{height:38px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:4px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:.5px;flex-shrink:0;
}
.brand-text{font-size:19px;font-weight:800;color:var(--text);letter-spacing:-.3px;white-space:nowrap}
.site-header.scrolled .brand-text{color:#fff}
.topbar-right{display:flex;align-items:center;gap:18px}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 12px;height:38px;min-width:220px;
  transition:border-color var(--t),box-shadow var(--t);
}
.search-box i{color:var(--text-3);font-size:13px}
.search-box input{
  border:0;outline:0;background:transparent;font-size:14px;color:var(--text);
  width:100%;height:100%;
}
.search-box input::placeholder{color:var(--text-3)}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,157,118,.15)}
.site-header.scrolled .search-box{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14)}
.site-header.scrolled .search-box input{color:#fff}
.site-header.scrolled .search-box input::placeholder{color:rgba(255,255,255,.55)}
.site-header.scrolled .search-box i{color:rgba(255,255,255,.55)}
.hotwords{display:flex;align-items:center;gap:14px;font-size:13px;font-weight:500}
.hotwords-label{color:var(--text-3)}
.hotwords a{color:var(--text-2)}
.hotwords a:hover{color:var(--primary)}
.site-header.scrolled .hotwords a{color:rgba(255,255,255,.75)}
.site-header.scrolled .hotwords a:hover{color:var(--primary-light)}
.site-header.scrolled .hotwords-label{color:rgba(255,255,255,.45)}
.menu-btn{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:0;border-radius:var(--r-btn);
  background:transparent;color:var(--text);font-size:18px;cursor:pointer;
}
.site-header.scrolled .menu-btn{color:#fff}
.channelbar{border-top:1px solid var(--line);transition:height var(--t),border-color var(--t)}
.site-header.scrolled .channelbar{height:26px;border-top-color:rgba(255,255,255,.08)}
.channel-inner{display:flex;align-items:center;gap:28px;height:44px}
.channel-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text);
  padding:6px 0;white-space:nowrap;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;
  background:transparent;transition:background var(--t);
}
.channel-link:hover{color:var(--primary)}
.channel-link.active{color:var(--primary)}
.channel-link.active::after{background:var(--primary)}
.site-header.scrolled .channel-link{color:rgba(255,255,255,.82)}
.site-header.scrolled .channel-link:hover{color:#fff}
.site-header.scrolled .channel-link.active{color:#fff}
.site-header.scrolled .channel-link.active::after{background:var(--primary)}
.site-header.scrolled .channel-inner{height:26px}

/* ---------- mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,31,.45);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:1050;
}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;width:88%;max-width:380px;height:100%;
  background:#fff;z-index:1060;transform:translateX(102%);
  transition:transform .25s ease;display:flex;flex-direction:column;
  box-shadow:var(--sh3);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-head .brand-text{font-size:17px}
.drawer-close{width:40px;height:40px;border:0;background:transparent;font-size:20px;color:var(--text-2);cursor:pointer;border-radius:var(--r-btn)}
.drawer-nav{padding:8px 0;flex:1;overflow-y:auto}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 20px;
  font-size:16px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--primary);background:var(--primary-light)}
.drawer-foot{padding:16px 20px 24px}
.drawer-foot .btn{width:100%}

/* ---------- breadcrumb ---------- */
.breadcrumb-bar{background:var(--alt);border-bottom:1px solid var(--line)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--text-2);padding:14px 0}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-3)}
.crumbs .current{color:var(--text-3)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;font-size:15px;font-weight:600;
  border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
  line-height:1;text-align:center;
}
.btn-primary-c{
  background:var(--primary);color:#fff;box-shadow:var(--sh1);
}
.btn-primary-c:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-outline-c{
  background:#fff;border:1.5px solid var(--primary);color:var(--primary);
}
.btn-outline-c:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px)}
.btn-ghost{
  background:transparent;color:var(--primary);padding:0;min-height:auto;font-weight:600;
}
.btn-ghost i{transition:transform var(--t)}
.btn-ghost:hover i{transform:translateX(3px)}
.btn-light-c{background:#fff;color:var(--ink);box-shadow:var(--sh1)}
.btn-light-c:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px)}
.btn:focus-visible,.channel-link:focus-visible,a:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:600;border-radius:999px;padding:4px 12px;
}
.tag-accent{background:var(--accent-light);color:var(--accent)}

/* ---------- article layout ---------- */
.article-hero{padding:34px 0 0}
.article-hero-inner{max-width:1200px}
.cat-line{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px}
.article-title{
  font-size:34px;line-height:1.35;font-weight:700;letter-spacing:-.3px;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:var(--text-2);margin-top:18px;
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{color:var(--text-3)}
.cover-wrap{
  margin:26px 0 0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh1);background:var(--primary-light);
}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover}

.article-body{padding:48px 0 72px}
.article-grid{
  max-width:1200px;display:grid;grid-template-columns:minmax(0,760px) 340px;
  gap:60px;align-items:start;
}
.article-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);padding:40px;
}
.rich-text{font-size:17px;line-height:1.95;color:#2E3D42;max-width:720px}
.rich-text > * + *{margin-top:1em}
.rich-text p{font-size:17px;line-height:1.95;margin:0}
.rich-text h2{
  font-size:26px;line-height:1.4;font-weight:700;color:var(--text);
  margin:42px 0 0;padding-bottom:0;
}
.rich-text h2::after{
  content:"";display:block;width:40px;height:3px;border-radius:3px;
  background:var(--primary);margin-top:12px;
}
.rich-text h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--text);margin:36px 0 0}
.rich-text ul,.rich-text ol{margin:1em 0 0;padding:0;list-style:none}
.rich-text ul li{position:relative;padding-left:20px;line-height:1.9;margin-top:.5em}
.rich-text ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--primary);
}
.rich-text ol{counter-reset:rt}
.rich-text ol li{
  position:relative;padding-left:38px;line-height:1.9;margin-top:.6em;counter-increment:rt;
}
.rich-text ol li::before{
  content:counter(rt);position:absolute;left:0;top:.28em;
  width:24px;height:24px;border-radius:6px;background:var(--primary);color:#fff;
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.rich-text blockquote{
  margin:1.2em 0 0;padding:16px 20px;background:var(--primary-light);
  border-left:4px solid var(--primary);border-radius:0 var(--r-card) var(--r-card) 0;
  color:#2E3D42;
}
.rich-text blockquote p{margin:0}
.rich-text img{border-radius:var(--r-img);margin:1.4em auto;max-width:100%}
.rich-text figure{margin:1.4em 0 0;text-align:center}
.rich-text figcaption{font-size:13px;color:var(--text-3);margin-top:10px}
.rich-text a{color:var(--primary);text-decoration:underline}
.rich-text strong{font-weight:700;color:var(--text)}

.empty-state{
  text-align:center;padding:60px 20px;
}
.empty-state .empty-icon{
  width:80px;height:80px;border-radius:50%;background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:30px;margin:0 auto 20px;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* ---------- sidebar ---------- */
.side{display:flex;flex-direction:column;gap:20px}
.side-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:22px;
}
.side-card h3{
  font-size:16px;font-weight:700;position:relative;padding-bottom:12px;margin-bottom:14px;
}
.side-card h3::after{
  content:"";position:absolute;left:0;bottom:0;width:28px;height:3px;border-radius:3px;background:var(--primary);
}
.toc-list li + li{margin-top:2px}
.toc-list a{
  display:block;font-size:14px;color:var(--text-2);padding:9px 10px;border-left:3px solid transparent;
  border-radius:0 8px 8px 0;transition:all var(--t);line-height:1.5;
}
.toc-list a:hover{background:var(--alt);color:var(--text)}
.toc-list a.active{border-left-color:var(--primary);color:var(--primary);background:var(--primary-light);font-weight:600}
.side-meta{display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--text-2)}
.side-meta div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:10px}
.side-meta div:last-child{border-bottom:0;padding-bottom:0}
.mini-post{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.mini-post:last-child{border-bottom:0;padding-bottom:0}
.mini-post img{width:72px;height:72px;border-radius:var(--r-img);object-fit:cover;flex-shrink:0;background:var(--primary-light)}
.mini-post .mini-title{font-size:14px;font-weight:600;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-post .mini-title:hover{color:var(--primary)}
.mini-post .mini-tag{font-size:12px;color:var(--text-3);margin-top:6px;display:block}

/* ---------- article footer nav ---------- */
.post-nav{
  margin-top:38px;padding-top:26px;border-top:1px solid var(--line);
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.post-nav a{
  display:flex;flex-direction:column;gap:6px;padding:16px 18px;
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;
  transition:all var(--t);
}
.post-nav a:hover{border-color:var(--primary);box-shadow:var(--sh2);transform:translateY(-3px)}
.post-nav .pn-label{font-size:12px;color:var(--text-3);font-weight:600}
.post-nav .pn-title{font-size:15px;font-weight:700;color:var(--text);line-height:1.5}
.post-nav .pn-right{align-items:flex-end;text-align:right}
.back-line{margin-top:22px;display:flex;flex-wrap:wrap;gap:20px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  margin-top:44px;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,157,118,.34),rgba(15,157,118,0) 70%);
}
.cta-band h2{font-size:24px;font-weight:700;color:#fff;position:relative;z-index:1}
.cta-band p{font-size:13px;color:rgba(255,255,255,.62);margin-top:8px;position:relative;z-index:1}
.cta-band .btn{position:relative;z-index:1;flex-shrink:0}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;margin-top:72px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:320px}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;position:relative;padding-bottom:14px;margin-bottom:14px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:24px;height:3px;border-radius:3px;background:var(--primary);
}
.footer-links li{line-height:2.2}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .article-grid{grid-template-columns:minmax(0,1fr) 320px;gap:36px}
}
@media (max-width:1024px){
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .side{margin-top:8px}
  .side-sticky{position:static}
  .article-main{padding:30px}
}
@media (max-width:991px){
  .hotwords{display:none}
  .search-box{display:none}
  .menu-btn{display:inline-flex}
  .channelbar{display:none}
  .site-header.scrolled .topbar{height:52px}
  .article-title{font-size:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  body{font-size:16px}
  .article-title{font-size:25px}
  .article-main{padding:24px 20px}
  .rich-text,.rich-text p{font-size:16px;line-height:1.9}
  .rich-text h2{font-size:22px}
  .rich-text h3{font-size:18px}
  .cover-wrap img{aspect-ratio:3/2}
  .article-body{padding:32px 0 56px}
  .post-nav{grid-template-columns:1fr}
  .post-nav .pn-right{align-items:flex-start;text-align:left}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .article-title{font-size:22px}
  .article-hero{padding:24px 0 0}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .cta-band h2{font-size:20px}
  .btn{width:100%}
  .cta-band .btn{width:100%}
  .back-line .btn-ghost{width:auto}
}

/* roulang page: category1 */
:root{
  --primary:#0F9D76;
  --primary-dark:#0A7C5C;
  --primary-soft:#E6F6F1;
  --accent:#FF7A1A;
  --accent-soft:#FFF1E4;
  --ink:#12211F;
  --text:#1F2E30;
  --text-2:#5C6E70;
  --text-3:#8B9A9C;
  --bg:#F7F6F2;
  --bg-alt:#F1F4F1;
  --card:#FFFFFF;
  --line:#E7E4DC;
  --line-soft:#FAFAF8;
  --r-btn:10px;
  --r-card:14px;
  --r-big:18px;
  --r-img:12px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(18,33,31,.06);
  --sh2:0 10px 28px rgba(18,33,31,.10);
  --sh3:0 18px 48px rgba(18,33,31,.14);
  --t:0.22s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t)}
a:hover{color:var(--primary-dark)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(15,157,118,.35);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.container-narrow{max-width:1200px}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:all var(--t);white-space:nowrap;
}
.btn-main{background:var(--primary);color:#fff;box-shadow:var(--sh1)}
.btn-main:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px)}
.btn-line{
  height:40px;padding:0 4px;border:0;background:transparent;color:var(--primary);
  font-size:15px;font-weight:600;
}
.btn-line i{transition:transform var(--t)}
.btn-line:hover i{transform:translateX(3px)}
.btn-sm{height:40px;padding:0 20px;font-size:15px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{
  background:var(--ink);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:var(--sh2);
}
.topbar{transition:height .25s ease}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:52px;
}
.site-header.scrolled .topbar-inner{height:44px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--primary);
  color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{font-size:19px;font-weight:800;color:var(--text);letter-spacing:-.3px}
.site-header.scrolled .brand-text{color:#fff}
.topbar-right{display:flex;align-items:center;gap:18px}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  height:38px;padding:0 14px;min-width:230px;
  transition:border-color var(--t),box-shadow var(--t);
}
.search-box i{color:var(--text-3);font-size:14px}
.search-box input{
  border:0;outline:0;background:transparent;font-size:14px;color:var(--text);
  width:100%;height:100%;
}
.search-box input::placeholder{color:var(--text-3)}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,157,118,.15)}
.site-header.scrolled .search-box{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}
.site-header.scrolled .search-box input{color:#fff}
.hotwords{display:flex;align-items:center;gap:14px;font-size:13px;font-weight:500}
.hotwords-label{color:var(--text-3)}
.hotwords a{color:var(--text-2)}
.hotwords a:hover{color:var(--primary)}
.site-header.scrolled .hotwords a{color:rgba(255,255,255,.72)}
.site-header.scrolled .hotwords a:hover{color:var(--primary)}
.menu-btn{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--text);font-size:18px;cursor:pointer;
}
.site-header.scrolled .menu-btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff}
.channelbar{border-top:1px solid rgba(231,228,220,.8);transition:all .25s ease}
.site-header.scrolled .channelbar{border-top-color:rgba(255,255,255,.08)}
.channel-inner{display:flex;align-items:center;gap:30px;height:44px}
.site-header.scrolled .channel-inner{height:36px}
.channel-link{
  position:relative;color:var(--text);font-size:15px;font-weight:600;
  height:100%;display:inline-flex;align-items:center;
}
.channel-link:hover{color:var(--primary)}
.channel-link.active{color:var(--primary)}
.channel-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:var(--primary);border-radius:3px 3px 0 0;
}
.site-header.scrolled .channel-link{color:rgba(255,255,255,.78)}
.site-header.scrolled .channel-link.active{color:#fff}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,31,.45);opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);z-index:1040;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:88%;max-width:360px;background:#fff;
  transform:translateX(100%);transition:transform .28s ease;z-index:1050;
  display:flex;flex-direction:column;padding:20px 20px 24px;
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;font-size:18px;color:var(--text);cursor:pointer}
.drawer-nav{flex:1;padding-top:8px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:16px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--primary)}
.drawer-cta{margin-top:18px}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);padding:14px 0}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--text-2);flex-wrap:wrap}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3)}
.crumb .current{color:var(--text-3)}

/* ============ 栏目头 ============ */
.cat-hero{
  background:var(--primary-soft);
  border-bottom:1px solid var(--line);
  padding:44px 0;
}
.cat-hero-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cat-hero-text{max-width:720px}
.cat-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;color:var(--primary);font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:var(--r-pill);margin-bottom:14px;
}
.cat-hero h1{
  font-size:34px;line-height:1.25;font-weight:800;letter-spacing:-.5px;
  color:var(--text);margin:0 0 14px;
}
.cat-hero p{font-size:16px;color:var(--text-2);margin:0;max-width:640px}
.cat-hero-figure{
  width:280px;flex-shrink:0;border-radius:var(--r-big);overflow:hidden;
  box-shadow:var(--sh2);border:1px solid rgba(15,157,118,.14);
}
.cat-hero-figure img{width:100%;height:170px;object-fit:cover}

/* ============ 主体布局 ============ */
.page-main{padding:56px 0 0}
.layout{display:grid;grid-template-columns:260px 1fr;gap:44px;align-items:start}
.anchor-nav{
  position:sticky;top:110px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh1);
}
.anchor-nav h2{
  font-size:14px;font-weight:700;color:var(--text-2);letter-spacing:.4px;
  margin:0 0 12px;
}
.anchor-nav ul{list-style:none;margin:0;padding:0}
.anchor-nav li{margin-bottom:6px}
.anchor-nav a{
  display:block;padding:9px 12px;font-size:14px;font-weight:600;color:var(--text-2);
  border-left:3px solid transparent;border-radius:6px;line-height:1.5;
}
.anchor-nav a:hover{background:var(--bg-alt);color:var(--primary)}
.anchor-nav a.active{
  color:var(--primary);border-left-color:var(--primary);background:var(--primary-soft);
}
.anchor-tip{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-3);line-height:1.9;
}

.content-col{min-width:0}
.block{background:#fff;border:1px solid var(--line);border-radius:var(--r-big);padding:34px;box-shadow:var(--sh1);margin-bottom:26px}
.block h2{
  font-size:27px;font-weight:700;line-height:1.3;color:var(--text);
  margin:0 0 12px;letter-spacing:-.3px;position:relative;padding-bottom:16px;
}
.block h2::after{
  content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;
  background:var(--primary);border-radius:3px;
}
.block h3{font-size:19px;font-weight:700;color:var(--text);margin:26px 0 10px}
.block p{font-size:16px;line-height:1.9;color:var(--text);max-width:720px;margin:0 0 14px}
.block p.muted{color:var(--text-2);font-size:15px}

.figure-block{margin:22px 0}
.figure-block .frame{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.figure-block img{width:100%;height:280px;object-fit:cover;transition:transform .35s ease}
.figure-block:hover img{transform:scale(1.04)}
.figure-block figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.divider{height:1px;background:var(--line);margin:30px 0}

.step-list{list-style:none;margin:18px 0 6px;padding:0;counter-reset:step}
.step-list li{
  position:relative;padding-left:44px;margin-bottom:18px;
  font-size:16px;line-height:1.85;color:var(--text);
}
.step-list li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:0;top:5px;
  width:24px;height:24px;border-radius:7px;background:var(--primary);color:#fff;
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-list li strong{font-weight:700}
.dot-list{list-style:none;margin:14px 0;padding:0}
.dot-list li{position:relative;padding-left:18px;margin-bottom:12px;font-size:16px;line-height:1.85}
.dot-list li::before{
  content:"";position:absolute;left:0;top:13px;width:6px;height:6px;border-radius:50%;background:var(--primary);
}
.tip-box{
  background:var(--primary-soft);
  border-left:4px solid var(--primary);
  border-radius:10px;
  padding:16px 20px;
  margin:20px 0;
  font-size:14.5px;
  line-height:1.9;
  color:var(--text-2);
}
.tip-box strong{color:var(--primary-dark)}
.tip-box.accent{background:var(--accent-soft);border-left-color:var(--accent)}
.tip-box.accent strong{color:var(--accent)}

/* 定义块 */
.def-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;margin-top:20px}
.def-head{
  display:grid;grid-template-columns:30% 70%;
  background:var(--ink);color:#fff;font-size:14px;font-weight:700;
  padding:14px 20px;gap:16px;
}
.def-row{
  display:grid;grid-template-columns:30% 70%;gap:16px;
  padding:16px 20px;border-top:1px solid var(--line);
  font-size:15px;line-height:1.85;
}
.def-row:nth-child(odd){background:var(--line-soft)}
.def-row .label{font-weight:700;color:var(--text)}
.def-row .value{color:var(--text-2)}

/* 状态条 */
.status-row{display:flex;flex-wrap:wrap;gap:20px;margin-top:20px}
.status-item{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--text-2)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--primary)}
.dot.gray{background:var(--text-3)}

/* 相关入口 */
.related-wrap{padding:16px 0 0}
.section-head{margin-bottom:22px}
.section-head h2{
  font-size:27px;font-weight:700;margin:0 0 12px;position:relative;padding-bottom:16px;letter-spacing:-.3px;
}
.section-head h2::after{
  content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;background:var(--primary);border-radius:3px;
}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh1);transition:all var(--t);
}
.related-card:hover{box-shadow:var(--sh2);transform:translateY(-3px)}
.related-card .thumb{width:76px;height:76px;border-radius:var(--r-img);overflow:hidden;flex-shrink:0}
.related-card .thumb img{width:100%;height:100%;object-fit:cover}
.related-card h3{font-size:16px;font-weight:700;margin:0 0 4px;color:var(--text);line-height:1.5}
.related-card p{font-size:13px;color:var(--text-2);margin:0;line-height:1.7}
.related-card .arrow{color:var(--primary);font-size:14px;margin-left:auto}

/* CTA 带 */
.cta-band{
  background:var(--ink);border-radius:var(--r-big);
  padding:36px 40px;margin:56px 0 0;
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-60px;top:-80px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(15,157,118,.35),rgba(15,157,118,0) 70%);
}
.cta-band-text{position:relative;z-index:1}
.cta-band h2{font-size:25px;font-weight:700;color:#fff;margin:0 0 8px}
.cta-band p{font-size:14px;color:rgba(255,255,255,.68);margin:0}
.cta-band .btn-main{position:relative;z-index:1}

/* 页脚 */
.site-footer{background:var(--ink);color:#fff;margin-top:64px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:18px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);margin:0;max-width:320px}
.footer-col h4{
  font-size:14px;font-weight:700;margin:0 0 16px;position:relative;padding-bottom:12px;color:#fff;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:24px;height:3px;background:var(--primary);border-radius:3px;
}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:2px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);line-height:2.2;display:inline-block}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:40px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);margin:0}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .layout{grid-template-columns:1fr;gap:26px}
  .anchor-nav{position:static;padding:16px}
  .anchor-nav ul{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
  .anchor-nav li{margin:0;flex-shrink:0}
  .anchor-nav a{border-left:0;border-bottom:3px solid transparent;border-radius:6px 6px 0 0;white-space:nowrap}
  .anchor-nav a.active{border-left:0;border-bottom-color:var(--primary)}
  .anchor-tip{display:none}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .search-box,.hotwords{display:none}
  .menu-btn{display:flex;align-items:center;justify-content:center}
  .channelbar{display:none}
  .cat-hero-figure{display:none}
  .cat-hero h1{font-size:26px;line-height:1.35}
  .cat-hero{padding:36px 0}
}
@media (max-width:768px){
  body{font-size:16px}
  .block{padding:24px}
  .block h2{font-size:22px}
  .section-head h2{font-size:22px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .cta-band h2{font-size:21px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .def-head,.def-row{grid-template-columns:1fr;gap:6px}
  .figure-block img{height:210px}
  .page-main{padding:40px 0 0}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .brand-text{font-size:17px}
  .btn-main,.btn-ghost{height:46px;padding:0 20px;font-size:15px}
  .cat-hero h1{font-size:23px}
}

/* roulang page: category2 */
:root{
  --primary:#0F9D76;
  --primary-dark:#0A7C5C;
  --primary-light:#E6F6F1;
  --primary-on-ink:#3ACBA0;
  --accent:#FF7A1A;
  --accent-light:#FFF1E4;
  --ink:#12211F;
  --text:#1F2E30;
  --text-2:#5C6E70;
  --text-3:#8B9A9C;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --band:#F1F4F1;
  --line:#E7E4DC;
  --r-btn:10px;
  --r-card:14px;
  --r-lg:18px;
  --r-img:12px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(18,33,31,.06);
  --sh2:0 10px 28px rgba(18,33,31,.10);
  --sh3:0 18px 48px rgba(18,33,31,.14);
  --ease:.22s ease;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
  --bs-primary:#0F9D76;
  --bs-body-bg:#F7F6F2;
  --bs-body-color:#1F2E30;
  --bs-border-color:#E7E4DC;
  --bs-border-radius:14px;
  --bs-link-color:#0F9D76;
  --bs-link-hover-color:#0A7C5C;
  --bs-font-sans-serif:var(--font);
  --bs-body-font-family:var(--font);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),opacity var(--ease);}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);font-style:normal;}
h1{font-size:36px;line-height:1.25;font-weight:800;letter-spacing:-.5px;}
h2{font-size:28px;line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;width:100%;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost-line,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:16px;border-radius:var(--r-btn);
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  cursor:pointer;border:none;
}
.btn-main{
  background:var(--primary);color:#fff;padding:14px 28px;min-height:48px;
  box-shadow:var(--sh1);
}
.btn-main:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-main.sm{padding:10px 22px;min-height:40px;font-size:15px;}
.btn-on-ink{background:var(--accent);}
.btn-on-ink:hover{background:#e96c12;}
.btn-ghost-line{
  background:#fff;color:var(--primary);border:1.5px solid var(--primary);
  padding:13px 26px;min-height:48px;
}
.btn-ghost-line:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-1px);}
.btn-text{
  background:transparent;color:var(--primary);padding:6px 0;font-size:15px;
}
.btn-text i{transition:transform var(--ease);font-size:13px;}
.btn-text:hover{color:var(--primary-dark);}
.btn-text:hover i{transform:translateX(3px);}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-block;background:var(--primary-light);color:var(--primary);
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  padding:4px 12px;line-height:1.6;
}
.badge-accent{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-light);color:var(--accent);
  border-radius:var(--r-pill);font-size:12px;font-weight:700;
  padding:5px 14px;line-height:1.6;
}
.status-dot{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-2);font-weight:500;}
.status-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);}
.status-dot.off::before{background:var(--text-3);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:52px;transition:height .25s ease;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:4px;background:var(--primary);
  color:#fff;font-weight:800;font-size:13px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-text{font-size:18px;font-weight:800;color:var(--text);letter-spacing:-.2px;white-space:nowrap;}
.topbar-right{display:flex;align-items:center;gap:20px;min-width:0;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);
  transition:border-color var(--ease),box-shadow var(--ease),height .25s ease,background .25s ease;
}
.search-box i{color:var(--text-3);font-size:13px;}
.search-box input{
  border:none;background:transparent;outline:none;
  font-size:14px;color:var(--text);width:190px;font-family:inherit;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,157,118,.15);}
.hotwords{display:flex;align-items:center;gap:14px;font-size:13px;white-space:nowrap;}
.hotwords-label{color:var(--text-3);font-weight:500;}
.hotwords a{color:var(--text-2);font-size:13px;font-weight:500;}
.hotwords a:hover{color:var(--primary);}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;font-size:16px;
}
.menu-btn:hover{border-color:var(--primary);color:var(--primary);}
.channelbar{border-top:1px solid var(--line);transition:border-color .25s ease,background .25s ease;}
.channel-inner{display:flex;align-items:center;gap:30px;height:44px;transition:height .25s ease;}
.channel-link{
  position:relative;color:var(--text);font-size:15px;font-weight:600;
  padding:4px 0;line-height:1.6;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;
  background:var(--primary);border-radius:2px;opacity:0;transition:opacity var(--ease);
}
.channel-link:hover{color:var(--primary);}
.channel-link.active{color:var(--primary);}
.channel-link.active::after{opacity:1;}

/* 吸顶压缩态 */
.site-header.is-scrolled{
  background:var(--ink);
  border-bottom-color:rgba(255,255,255,.10);
  box-shadow:var(--sh2);
}
.site-header.is-scrolled .topbar-inner{height:38px;}
.site-header.is-scrolled .channel-inner{height:26px;gap:24px;}
.site-header.is-scrolled .channelbar{border-top-color:rgba(255,255,255,.10);}
.site-header.is-scrolled .brand-text{color:#fff;font-size:16px;}
.site-header.is-scrolled .brand-mark{width:26px;height:26px;font-size:11px;}
.site-header.is-scrolled .channel-link{color:rgba(255,255,255,.82);font-size:14px;}
.site-header.is-scrolled .channel-link:hover,
.site-header.is-scrolled .channel-link.active{color:var(--primary-on-ink);}
.site-header.is-scrolled .channel-link::after{background:var(--primary-on-ink);}
.site-header.is-scrolled .search-box{height:28px;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);}
.site-header.is-scrolled .search-box input{color:#fff;}
.site-header.is-scrolled .search-box input::placeholder{color:rgba(255,255,255,.5);}
.site-header.is-scrolled .search-box i{color:rgba(255,255,255,.6);}
.site-header.is-scrolled .hotwords a{color:rgba(255,255,255,.7);}
.site-header.is-scrolled .hotwords-label{color:rgba(255,255,255,.45);}
.site-header.is-scrolled .menu-btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff;}

/* 移动抽屉 */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(18,33,31,.45);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:1040;
}
.drawer-overlay.show{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;
  background:#fff;z-index:1050;transform:translateX(100%);
  transition:transform .28s ease;display:flex;flex-direction:column;
  box-shadow:var(--sh3);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.drawer-title{font-size:16px;font-weight:700;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--text);display:flex;align-items:center;justify-content:center;
}
.drawer-nav{padding:8px 0;flex:1;overflow-y:auto;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 20px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);font-weight:600;
}
.drawer-link:hover{color:var(--primary);background:var(--primary-light);}
.drawer-link.active{color:var(--primary);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);}
.drawer-foot .btn-main{width:100%;}

/* ============ 栏目头 ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:56px 0 52px;min-height:240px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,33,31,.95) 0%,rgba(18,33,31,.86) 46%,rgba(10,124,92,.62) 100%);
}
.cat-hero__glow{
  position:absolute;width:560px;height:560px;right:-140px;top:-260px;
  background:radial-gradient(circle,rgba(15,157,118,.42) 0%,rgba(15,157,118,0) 70%);
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;}
.crumbs{font-size:13px;color:rgba(255,255,255,.62);margin-bottom:16px;}
.crumbs a{color:rgba(255,255,255,.72);}
.crumbs a:hover{color:var(--primary-on-ink);}
.crumbs span.sep{margin:0 6px;color:rgba(255,255,255,.4);}
.crumbs .current{color:#fff;font-weight:600;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:center;}
.cat-hero h1{color:#fff;font-size:34px;line-height:1.3;margin:12px 0 14px;}
.cat-hero-lead{
  color:rgba(255,255,255,.82);font-size:17px;line-height:1.8;
  max-width:640px;margin:0 0 22px;
}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;color:rgba(255,255,255,.7);font-size:13px;}
.cat-hero-meta i{color:var(--primary-on-ink);margin-right:6px;}
.hero-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--sh3);background:rgba(255,255,255,.06);
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:36px;
  border-top:1px solid rgba(255,255,255,.16);padding-top:22px;
}
.hero-stat .num{display:block;font-size:24px;font-weight:800;color:#fff;line-height:1.2;}
.hero-stat .lbl{font-size:13px;color:rgba(255,255,255,.62);font-weight:500;}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section.band{background:var(--band);}
.section.white{background:#fff;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.sec-head h2{position:relative;padding-bottom:14px;}
.sec-head h2::after{
  content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;
  background:var(--primary);border-radius:2px;
}
.sec-head .sec-desc{color:var(--text-2);font-size:15px;max-width:620px;margin-top:12px;}
.sec-head-copy{max-width:720px;}

/* ============ 参与流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;}
.flow-step{position:relative;padding:0 26px 0 0;}
.flow-step:last-child{padding-right:0;}
.flow-node{
  width:44px;height:44px;border-radius:50%;border:2px solid var(--primary);
  color:var(--primary);font-weight:800;font-size:16px;background:#fff;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:18px;margin-bottom:8px;}
.flow-step p{font-size:15px;color:var(--text-2);line-height:1.8;margin:0;}
.flow-step::after{
  content:"";position:absolute;right:14px;top:22px;width:calc(100% - 44px);
  border-top:2px dashed var(--line);
}
.flow-step:last-child::after{display:none;}

/* ============ 标签页 + 卡片 ============ */
.tabs-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.tab-pill{
  border:1.5px solid var(--line);background:#fff;color:var(--text);
  border-radius:var(--r-pill);padding:9px 20px;font-size:14px;font-weight:600;
  transition:all var(--ease);min-height:40px;
}
.tab-pill:hover{border-color:var(--primary);color:var(--primary);}
.tab-pill.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:var(--sh1);}
.reward-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:stretch;}
.reward-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.reward-card:hover{box-shadow:var(--sh2);transform:translateY(-3px);border-color:#d9d5ca;}
.card-icon{
  width:52px;height:52px;border-radius:var(--r-card);background:var(--primary-light);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:18px;
}
.reward-card h3{font-size:19px;margin-bottom:10px;}
.reward-card .card-sub{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:16px;}
.check-list{margin-bottom:22px;}
.check-list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);
  line-height:1.9;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:12px;width:5px;height:5px;
  border-radius:50%;background:var(--primary);
}
.reward-card .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}

/* ============ 档位对照 ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start;}
.tier{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh1);position:relative;
  transition:box-shadow var(--ease),transform var(--ease);
}
.tier h3{font-size:20px;margin-bottom:6px;}
.tier .tier-note{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.tier-list li{
  font-size:14.5px;color:var(--text-2);line-height:1.9;padding-left:20px;position:relative;
}
.tier-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:0;color:var(--primary);font-size:11px;
}
.tier .btn-text{margin-top:18px;}
.tier.featured{
  transform:translateY(-12px);box-shadow:var(--sh2);border-color:#e2ddd0;
  background:linear-gradient(180deg,#ffffff 0%,#fbfaf6 100%);
}
.tier.featured .badge-accent{position:absolute;top:-14px;left:28px;box-shadow:var(--sh1);}
.tier.featured .tier-list li::before{color:var(--accent);}

/* ============ FAQ ============ */
.faq-list{max-width:880px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{box-shadow:var(--sh1);}
.faq-q{
  width:100%;background:transparent;border:none;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px 18px 26px;font-size:16px;font-weight:700;color:var(--text);
  position:relative;min-height:44px;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--primary);transition:background var(--ease);
}
.faq-item.open .faq-q::before{background:var(--accent);}
.faq-sign{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:var(--primary-light);color:var(--primary);font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:340px;}
.faq-a p{
  padding:0 26px 20px 26px;font-size:15px;color:var(--text-2);line-height:1.9;margin:0;
}

/* ============ CTA 带 ============ */
.cta-band{background:var(--ink);padding:64px 0;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-copy h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-copy p{color:rgba(255,255,255,.7);font-size:15px;margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-foot{
  margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.65);line-height:1.9;max-width:320px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:12px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:24px;height:3px;
  background:var(--primary);border-radius:2px;
}
.footer-links li{line-height:2.2;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-links a:hover{color:var(--primary-on-ink);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);margin:0;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .hotwords{display:none;}
  .hero-grid{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
}
@media (max-width:1024px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .hero-figure{max-width:520px;}
  .cat-hero h1{font-size:30px;}
  .reward-grid{grid-template-columns:minmax(0,1fr);}
  .tier-grid{grid-template-columns:minmax(0,1fr);}
  .tier.featured{transform:none;}
}
@media (max-width:991px){
  .channelbar{display:none;}
  .menu-btn{display:flex;}
  .search-box input{width:150px;}
  .flow{grid-template-columns:minmax(0,1fr);gap:0;}
  .flow-step{padding:0 0 24px 30px;border-left:2px dashed var(--line);margin-left:14px;}
  .flow-step::after{display:none;}
  .flow-node{position:absolute;left:-23px;top:0;width:36px;height:36px;font-size:14px;}
  .flow-step h3{margin-top:2px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  h1{font-size:27px;}
  h2{font-size:23px;}
  .cat-hero{padding:40px 0 40px;}
  .cat-hero h1{font-size:26px;}
  .cat-hero-lead{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
  .hero-stat .num{font-size:20px;}
  .sec-head{margin-bottom:26px;}
  .cta-copy h2{font-size:22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main{width:100%;}
}
@media (max-width:560px){
  .container{padding-left:16px;padding-right:16px;}
  .search-box{display:none;}
  .site-header.is-scrolled .search-box{display:none;}
  .brand-text{font-size:16px;}
  .reward-card,.tier{padding:22px;}
  .faq-q{padding:16px 18px 16px 22px;font-size:15px;}
  .faq-a p{padding:0 22px 18px 22px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));}
  .hero-stat .num{font-size:18px;}
  .hero-stat .lbl{font-size:12px;}
}