/* roulang page: index */
:root{
  --bg-base:#100E1A;
  --bg-elev:#171327;
  --bg-card:#1C1830;
  --bg-line:rgba(255,255,255,.08);
  --brand:#A8E635;
  --brand-hi:#BDFA52;
  --brand-lo:#8DC81F;
  --accent:#FF5E7A;
  --cool:#6C5CE7;
  --tx-1:#F2F0FA;
  --tx-2:#A9A3C4;
  --tx-3:#6F6A8A;
  --ok:#3DDC97;
  --warn:#F2C14E;
  --err:#FF6B6B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-hover:0 12px 32px rgba(0,0,0,.45);
  --t:.22s cubic-bezier(.4,0,.2,1);
  --maxw:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--tx-1);
  background:var(--bg-base);
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{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{margin:0}
h1,h2,h3{line-height:1.3;letter-spacing:.5px;font-weight:700}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-stuck{
  background:rgba(16,14,26,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--bg-line);
  box-shadow:0 8px 26px rgba(0,0,0,.35);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,#7FBF1F 100%);
  display:grid;place-items:center;
  box-shadow:0 4px 14px rgba(168,230,53,.28);
}
.logo-mark svg{width:16px;height:16px;color:#100E1A}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--brand)}
.nav-search{
  flex:1 1 auto;max-width:520px;height:46px;display:flex;align-items:center;
  gap:8px;padding:0 4px 0 16px;border-radius:var(--r-pill);
  background:var(--bg-elev);border:1px solid var(--bg-line);
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search:focus-within{border-color:rgba(168,230,53,.55);box-shadow:0 0 0 3px rgba(168,230,53,.16)}
.nav-search .ico{width:20px;height:20px;color:var(--tx-3);flex:0 0 auto}
.nav-search input{flex:1 1 auto;min-width:0;height:100%;background:none;border:0;outline:none;font-size:15px}
.nav-search input::placeholder{color:var(--tx-3)}
.nav-search .search-go{
  flex:0 0 auto;height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--brand) 0%,#7FBF1F 100%);
  color:#100E1A;font-size:14px;font-weight:600;
  transition:transform var(--t),filter var(--t);
}
.nav-search .search-go:hover{filter:brightness(1.08);transform:translateY(-1px)}
.nav-search .search-go:active{transform:translateY(0)}
.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.nav-links a{
  position:relative;display:inline-block;padding:8px 11px;border-radius:var(--r-sm);
  font-size:15px;color:var(--tx-2);white-space:nowrap;
  transition:color var(--t),background var(--t);
}
.nav-links a:hover{color:var(--tx-1);background:rgba(255,255,255,.04)}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--bg-line);background:var(--bg-elev);
  align-items:center;justify-content:center;
}
.burger svg{width:22px;height:22px;color:var(--tx-1)}
.mobile-search{display:none;padding:0 0 14px}
.mobile-search form{
  height:44px;display:flex;align-items:center;gap:8px;padding:0 4px 0 14px;
  border-radius:var(--r-pill);background:var(--bg-elev);border:1px solid var(--bg-line);
}
.mobile-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;font-size:15px}
.mobile-search input::placeholder{color:var(--tx-3)}
.mobile-search button{width:36px;height:36px;border-radius:50%;background:rgba(168,230,53,.14);display:grid;place-items:center}
.mobile-search button svg{width:18px;height:18px;color:var(--brand)}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:200;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;z-index:210;
  background:var(--bg-elev);border-right:1px solid var(--bg-line);
  padding:24px;overflow-y:auto;
  transform:translateX(-102%);transition:transform var(--t);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--bg-line);display:grid;place-items:center}
.drawer-close svg{width:18px;height:18px;color:var(--tx-1)}
.drawer-title{font-size:13px;color:var(--tx-3);margin:20px 0 10px;letter-spacing:1px}
.drawer-nav a{display:block;padding:12px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--tx-2);transition:background var(--t),color var(--t)}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(168,230,53,.10);color:var(--brand)}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.drawer-chips span{font-size:13px;padding:6px 12px;border-radius:var(--r-pill);background:var(--bg-card);border:1px solid var(--bg-line);color:var(--tx-2)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:560px;display:flex;align-items:center;
  padding:150px 0 90px;
  background-color:#100E1A;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(16,14,26,.90) 0%,rgba(16,14,26,.62) 48%,rgba(16,14,26,.55) 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:220px;
  background:linear-gradient(180deg,rgba(16,14,26,0) 0%,var(--bg-base) 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:end}
.hero h1{font-size:44px;line-height:1.25;letter-spacing:.5px;max-width:640px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{margin-top:18px;font-size:18px;line-height:1.7;color:var(--tx-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;
  border-radius:var(--r-md);font-size:15px;font-weight:600;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t);
}
.btn svg{width:18px;height:18px}
.btn-primary{background:linear-gradient(135deg,var(--brand) 0%,#7FBF1F 100%);color:#100E1A}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(168,230,53,.30)}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,var(--brand-lo) 0%,#6FA815 100%)}
.btn-ghost{border:1px solid var(--bg-line);color:var(--tx-1);background:rgba(23,19,39,.6)}
.btn-ghost:hover{transform:translateY(-1px);border-color:rgba(168,230,53,.45);color:var(--brand)}
.btn-ghost:active{transform:translateY(0)}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--tx-2);
  background:rgba(23,19,39,.72);border:1px solid var(--bg-line);
}
.pill svg{width:14px;height:14px;color:var(--brand)}
.hero-poster{justify-self:end;width:100%;max-width:320px}
.hero-poster .frame{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(168,230,53,.22);
  box-shadow:0 26px 60px rgba(0,0,0,.55);background:var(--bg-card);
}
.hero-poster img{width:100%;height:400px;object-fit:cover}
.hero-poster .cap{padding:14px 16px;border-top:1px solid var(--bg-line)}
.hero-poster .cap strong{display:block;font-size:15px;font-weight:600}
.hero-poster .cap span{font-size:13px;color:var(--tx-3)}

/* ---------- 分类 chips 条 ---------- */
.chipbar{
  position:sticky;top:72px;z-index:90;
  background:rgba(16,14,26,.94);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--bg-line);border-bottom:1px solid var(--bg-line);
}
.chipbar-inner{display:flex;align-items:center;gap:12px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.chipbar-inner::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 18px;
  border-radius:var(--r-pill);background:var(--bg-elev);border:1px solid var(--bg-line);
  font-size:14px;color:var(--tx-2);
  transition:color var(--t),border-color var(--t),background var(--t),transform var(--t);
}
.chip:hover{color:var(--tx-1);border-color:rgba(168,230,53,.32);transform:translateY(-1px)}
.chip.active{background:rgba(168,230,53,.12);border-color:rgba(168,230,53,.52);color:var(--brand)}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-elev);border-top:1px solid var(--bg-line);border-bottom:1px solid var(--bg-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:28px}
.section-head .desc{margin-top:10px;font-size:14px;color:var(--tx-2);max-width:640px}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);white-space:nowrap}
.more-link svg{width:16px;height:16px;transition:transform var(--t)}
.more-link:hover svg{transform:translateX(3px)}

/* ---------- 横滑片库 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 18px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-item{flex:0 0 260px;scroll-snap-align:start}
.rail-nav{
  position:absolute;top:42%;width:44px;height:44px;border-radius:50%;
  background:var(--bg-card);border:1px solid var(--bg-line);display:grid;place-items:center;
  z-index:5;transition:border-color var(--t),transform var(--t),background var(--t);
}
.rail-nav:hover{border-color:rgba(168,230,53,.45);transform:scale(1.06)}
.rail-nav svg{width:18px;height:18px;color:var(--tx-1)}
.rail-prev{left:-22px}
.rail-next{right:-22px}

/* ---------- 卡片 ---------- */
.card{
  display:block;border-radius:var(--r-md);overflow:hidden;
  background:var(--bg-card);border:1px solid var(--bg-line);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(168,230,53,.28)}
.card-cover{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(168,230,53,.12) 0%,rgba(255,94,122,.10) 100%);
}
.card-cover img{width:100%;object-fit:cover;transition:transform var(--t)}
.card:hover .card-cover img{transform:scale(1.04)}
.card-body{padding:16px}
.card h3{font-size:18px;transition:color var(--t)}
.card:hover h3{color:var(--brand)}
.card .excerpt{
  margin-top:8px;font-size:14px;line-height:1.7;color:var(--tx-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:13px;color:var(--tx-3)}
.tag{
  display:inline-flex;align-items:center;gap:4px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;
  background:rgba(168,230,53,.12);color:var(--brand);
}
.badge{
  position:absolute;top:12px;left:12px;height:24px;padding:0 10px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
}
.badge-hot{background:rgba(255,94,122,.18);color:var(--accent);border:1px solid rgba(255,94,122,.38)}
.badge-up{background:rgba(168,230,53,.16);color:var(--brand);border:1px solid rgba(168,230,53,.38)}
.badge-new{background:rgba(108,92,231,.22);color:#B9AEFF;border:1px solid rgba(108,92,231,.45)}

/* ---------- 热播网格 ---------- */
.hot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card-featured{grid-column:span 2}
.card-featured .card-cover img{height:300px}
.card-featured h3{font-size:22px}
.card-featured .excerpt{-webkit-line-clamp:3}
.rail-item .card-cover img{height:330px}
.hot-grid .card:not(.card-featured) .card-cover img{height:200px}

/* ---------- 错位图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:88px}
.split-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--bg-line);
  background:var(--bg-card);box-shadow:0 20px 48px rgba(0,0,0,.4);
}
.split-media img{width:100%;height:360px;object-fit:cover}
.split-body h2{font-size:28px;margin-bottom:14px}
.split-body p{font-size:16px;color:var(--tx-2);line-height:1.9}
.step-list{margin-top:24px;display:flex;flex-direction:column;gap:16px}
.step-list li{display:flex;gap:14px;align-items:flex-start}
.step-num{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  background:rgba(168,230,53,.14);color:var(--brand);font-size:14px;font-weight:700;
}
.step-list strong{display:block;font-size:16px;font-weight:600}
.step-list span{font-size:14px;color:var(--tx-2);line-height:1.75}
.split.reverse .split-media{order:2}
.split.reverse .split-body{order:1}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.news-item{
  display:flex;gap:16px;padding:16px;border-radius:var(--r-md);
  background:var(--bg-card);border:1px solid var(--bg-line);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(168,230,53,.28)}
.news-thumb{
  flex:0 0 120px;width:120px;height:80px;border-radius:var(--r-sm);overflow:hidden;
  background:linear-gradient(135deg,rgba(168,230,53,.12) 0%,rgba(255,94,122,.10) 100%);
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{min-width:0;flex:1 1 auto}
.news-body h3{font-size:16px;line-height:1.45;transition:color var(--t);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover h3{color:var(--brand)}
.news-body .excerpt{
  margin-top:6px;font-size:13px;color:var(--tx-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:13px;color:var(--tx-3)}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border-radius:var(--r-md);border:1px dashed var(--bg-line);background:var(--bg-card);
  text-align:center;
}
.empty-state svg{width:38px;height:38px;color:var(--tx-3)}
.empty-state p{font-size:15px;color:var(--tx-2)}
.empty-state form{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap;justify-content:center}
.empty-state input{
  height:44px;width:240px;max-width:100%;padding:0 16px;border-radius:var(--r-md);
  background:var(--bg-elev);border:1px solid var(--bg-line);outline:none;
}
.empty-state input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(168,230,53,.16)}
.empty-state button{
  height:44px;padding:0 22px;border-radius:var(--r-md);
  background:linear-gradient(135deg,var(--brand) 0%,#7FBF1F 100%);color:#100E1A;font-weight:600;
}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:40px}
.stat{
  padding:22px 24px;border-radius:var(--r-md);
  background:var(--bg-card);border:1px solid var(--bg-line);
}
.stat strong{display:block;font-size:30px;line-height:1.2;color:var(--brand);font-weight:700}
.stat span{display:block;margin-top:6px;font-size:14px;color:var(--tx-2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{border-bottom:1px solid var(--bg-line);border-left:2px solid transparent;padding-left:0;transition:border-color var(--t),padding-left var(--t)}
.faq-item.open{border-left-color:var(--brand);padding-left:16px}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;text-align:left;font-size:18px;line-height:1.6;color:var(--tx-1);
}
.faq-item.open .faq-q{color:var(--brand)}
.faq-q .mark{
  flex:0 0 auto;width:24px;height:24px;display:grid;place-items:center;color:var(--tx-3);
  transition:transform var(--t),color var(--t);
}
.faq-item.open .faq-q .mark{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--tx-2);max-width:760px}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);border:1px solid rgba(168,230,53,.4);
  background:linear-gradient(135deg,rgba(168,230,53,.09) 0%,rgba(108,92,231,.12) 100%);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--tx-2);max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-elev);border-top:1px solid var(--bg-line);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--tx-2);max-width:280px}
.footer-search{margin-top:20px;display:flex;gap:8px;max-width:300px}
.footer-search input{
  flex:1 1 auto;min-width:0;height:46px;padding:0 16px;border-radius:var(--r-md);
  background:var(--bg-card);border:1px solid var(--bg-line);outline:none;font-size:14px;
}
.footer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(168,230,53,.16)}
.footer-search button{
  flex:0 0 auto;width:46px;height:46px;border-radius:var(--r-md);
  background:linear-gradient(135deg,var(--brand) 0%,#7FBF1F 100%);display:grid;place-items:center;
  transition:transform var(--t),filter var(--t);
}
.footer-search button:hover{transform:translateY(-1px);filter:brightness(1.08)}
.footer-search button svg{width:20px;height:20px;color:#100E1A}
.footer-title{font-size:15px;color:var(--brand);margin-bottom:16px}
.footer-links li + li{margin-top:10px}
.footer-links a{display:inline-block;font-size:14px;color:var(--tx-2);transition:color var(--t),transform var(--t)}
.footer-links a:hover{color:var(--tx-1);transform:translateX(2px)}
.footer-note{font-size:14px;color:var(--tx-2);line-height:1.8}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--bg-line);padding:24px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--bg-card);border:1px solid rgba(168,230,53,.35);display:grid;place-items:center;
  z-index:150;opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t),transform var(--t);
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px)}
.to-top svg{width:18px;height:18px;color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links a{padding:8px 8px;font-size:14px}
  .rail-prev{left:-12px}
  .rail-next{right:-12px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .hero{padding:130px 0 72px;min-height:520px}
  .hero h1{font-size:34px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .hero-poster{justify-self:start;max-width:260px}
  .hero-poster img{height:300px}
  .hot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card-featured{grid-column:span 2}
  .split{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-media{order:0}
  .split.reverse .split-body{order:0}
  .split + .split{margin-top:64px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:980px){
  .nav-search{display:none}
  .nav-links{display:none}
  .burger{display:inline-flex;margin-left:auto}
  .mobile-search{display:block}
  .nav-inner{height:64px}
  .site-header.is-stuck .mobile-search,
  .site-header .mobile-search{padding-bottom:10px}
  .site-header{background:rgba(16,14,26,.9)}
  .chipbar{top:64px}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .section-head h2{font-size:22px}
  .hero{padding:110px 0 56px;min-height:420px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .rail-item{flex:0 0 220px}
  .rail-item .card-cover img{height:290px}
  .rail-nav{display:none}
  .hot-grid{grid-template-columns:minmax(0,1fr)}
  .card-featured{grid-column:span 1}
  .card-featured .card-cover img{height:220px}
  .news-grid{grid-template-columns:minmax(0,1fr)}
  .stats{grid-template-columns:minmax(0,1fr)}
  .split-body h2{font-size:22px}
  .split-media img{height:240px}
  .cta-band{padding:32px 24px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:26px}
  .logo-text{font-size:15px}
  .news-item{flex-direction:column}
  .news-thumb{width:100%;height:150px;flex:0 0 auto}
  .btn{width:100%;justify-content:center}
  .hero-actions{flex-direction:column}
  .faq-q{font-size:16px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
  .card:hover,.news-item:hover,.btn-primary:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: article */
:root{
  --bg-base:#100E1A;
  --bg-elev:#171327;
  --bg-card:#1C1830;
  --bg-line:rgba(255,255,255,.08);
  --brand:#A8E635;
  --brand-hover:#BDFA52;
  --brand-press:#8DC81F;
  --accent:#FF5E7A;
  --cool:#6C5CE7;
  --tx-1:#F2F0FA;
  --tx-2:#A9A3C4;
  --tx-3:#6F6A8A;
  --ok:#3DDC97;
  --warn:#F2C14E;
  --err:#FF6B6B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --ease:.22s cubic-bezier(.4,0,.2,1);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-stuck{
  background:rgba(16,14,26,.92);
  border-bottom:1px solid var(--bg-line);
  box-shadow:0 8px 24px rgba(0,0,0,.35);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.header-inner{
  display:flex;align-items:center;gap:24px;height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand) 0%,#7FBF1F 100%);
  display:grid;place-items:center;color:#12200A;
}
.brand-mark svg{width:16px;height:16px;}
.logo-text{
  font-size:18px;font-weight:700;letter-spacing:.5px;color:var(--tx-1);white-space:nowrap;
}
.logo-text em{font-style:normal;color:var(--brand);}
.search-bar{
  flex:1 1 auto;max-width:520px;min-width:240px;
  display:flex;align-items:center;
  height:46px;border-radius:var(--r-pill);
  background:var(--bg-elev);border:1px solid var(--bg-line);
  padding:0 6px 0 16px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-bar:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(168,230,53,.2);
}
.search-bar .ico{width:20px;height:20px;color:var(--tx-3);flex:0 0 auto;}
.search-bar input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;height:44px;
  padding:0 12px;font-size:14px;color:var(--tx-1);outline:none;
}
.search-bar input::placeholder{color:var(--tx-3);}
.search-bar button{
  flex:0 0 auto;height:34px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--brand);color:#12200A;font-size:14px;font-weight:600;
  transition:background var(--ease),transform var(--ease);
}
.search-bar button:hover{background:var(--brand-hover);transform:translateY(-1px);}
.search-bar button:active{background:var(--brand-press);transform:translateY(0);}
.nav-links{
  display:flex;align-items:center;gap:22px;margin-left:auto;flex:0 0 auto;
}
.nav-links a{
  position:relative;font-size:14px;color:var(--tx-2);padding:6px 0;white-space:nowrap;
  transition:color var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--tx-1);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{transform:scaleX(1);}
.menu-toggle{display:none;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--bg-line);place-items:center;color:var(--tx-1);}
.menu-toggle svg{width:20px;height:20px;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:70;
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;bottom:0;left:0;width:82vw;max-width:340px;z-index:71;
  background:var(--bg-elev);border-right:1px solid var(--bg-line);
  padding:24px 20px;transform:translateX(-102%);
  transition:transform var(--ease);overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--bg-line);display:grid;place-items:center;color:var(--tx-1);}
.drawer-close svg{width:18px;height:18px;}
.drawer-group-title{font-size:13px;color:var(--brand);letter-spacing:1px;margin:20px 0 10px;}
.drawer-links a{
  display:block;padding:12px 12px;border-radius:var(--r-md);font-size:15px;color:var(--tx-2);
  transition:background var(--ease),color var(--ease);
}
.drawer-links a:hover,.drawer-links a.active{background:var(--bg-card);color:var(--tx-1);}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--tx-2);background:var(--bg-card);border:1px solid var(--bg-line);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.chip:hover{color:var(--tx-1);border-color:rgba(168,230,53,.4);}
.drawer-search{display:flex;height:44px;border-radius:var(--r-pill);background:var(--bg-card);border:1px solid var(--bg-line);padding:0 4px 0 14px;align-items:center;margin-bottom:8px;}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;outline:none;height:42px;}
.drawer-search button{width:36px;height:34px;border-radius:var(--r-pill);background:var(--brand);color:#12200A;display:grid;place-items:center;}
.drawer-search button svg{width:16px;height:16px;}

/* ============ 面包屑 ============ */
.page-wrap{padding-top:96px;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--tx-3);margin-bottom:24px;
}
.breadcrumb a{color:var(--tx-2);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--tx-3);opacity:.6;}
.breadcrumb .current{color:var(--tx-2);}

/* ============ 文章头部 ============ */
.article-head{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid var(--bg-line);
  background:
    linear-gradient(180deg,rgba(23,19,39,.72) 0%,rgba(16,14,26,.96) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:40px 40px 32px;
  overflow:hidden;
  margin-bottom:40px;
}
.article-head::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--bg-line);
}
.badge-cat{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--accent);
  background:rgba(255,94,122,.12);border:1px solid rgba(255,94,122,.28);
  margin-bottom:18px;
}
.badge-cat svg{width:14px;height:14px;}
.article-title{
  font-size:40px;line-height:1.3;letter-spacing:.5px;font-weight:700;
  color:var(--tx-1);max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  margin-top:24px;padding-top:20px;border-top:1px solid var(--bg-line);
  font-size:13px;color:var(--tx-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta svg{width:14px;height:14px;color:var(--tx-3);}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 220px;
  gap:56px;
  justify-content:center;
  align-items:start;
}
.article-main{min-width:0;}

/* 富文本正文 */
.prose{font-size:17px;line-height:1.9;color:var(--tx-1);}
.prose > * + *{margin-top:1.1em;}
.prose p{color:var(--tx-1);}
.prose h2{
  position:relative;
  font-size:28px;line-height:1.35;letter-spacing:.5px;font-weight:700;
  color:var(--tx-1);margin-top:40px;padding-left:18px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--cool) 100%);
}
.prose h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--tx-1);margin-top:28px;}
.prose h4{font-size:17px;font-weight:600;color:var(--tx-1);margin-top:22px;}
.prose a{
  color:var(--brand);text-decoration:underline;text-underline-offset:3px;
  text-decoration-thickness:1px;transition:color var(--ease);
}
.prose a:hover{color:var(--brand-hover);}
.prose ul,.prose ol{padding-left:22px;line-height:1.8;}
.prose ul{list-style:none;}
.prose ul li{position:relative;padding-left:18px;margin:.5em 0;}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.75em;width:7px;height:7px;border-radius:50%;
  background:var(--brand);opacity:.9;
}
.prose ol{list-style:decimal;color:var(--tx-1);}
.prose ol li{margin:.5em 0;padding-left:6px;}
.prose ol li::marker{color:var(--brand);font-weight:600;}
.prose blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--bg-elev);border-left:3px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--tx-2);font-size:16px;
}
.prose img{border-radius:var(--r-md);margin:24px auto;}
.prose figure{margin:24px 0;}
.prose figcaption{font-size:13px;color:var(--tx-3);text-align:center;margin-top:10px;}
.prose code{
  background:var(--bg-elev);border:1px solid var(--bg-line);
  padding:2px 6px;border-radius:var(--r-sm);font-size:14px;color:var(--brand);
}
.prose pre{
  background:var(--bg-elev);border:1px solid var(--bg-line);border-radius:var(--r-md);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.prose hr{border:0;border-top:1px solid var(--bg-line);margin:32px 0;}
.prose table{width:100%;border-collapse:collapse;font-size:15px;}
.prose th,.prose td{border:1px solid var(--bg-line);padding:10px 14px;text-align:left;}
.prose th{background:var(--bg-elev);color:var(--brand);font-weight:600;}

/* 目录 */
.toc{
  position:sticky;top:104px;
  border:1px solid var(--bg-line);border-radius:var(--r-md);
  background:var(--bg-elev);padding:20px;
}
.toc-title{font-size:13px;letter-spacing:1px;color:var(--brand);margin-bottom:14px;}
.toc-list a{
  display:block;font-size:13px;line-height:1.7;color:var(--tx-2);
  padding:6px 0 6px 12px;border-left:2px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.toc-list a:hover{color:var(--tx-1);}
.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);}

/* 空态 */
.empty-state{
  border:1px dashed var(--bg-line);border-radius:var(--r-lg);
  background:var(--bg-card);padding:64px 32px;text-align:center;
}
.empty-state svg{width:40px;height:40px;color:var(--tx-3);margin:0 auto 18px;}
.empty-state h2{font-size:22px;color:var(--tx-1);margin-bottom:10px;}
.empty-state p{color:var(--tx-2);font-size:15px;margin-bottom:24px;}

/* ============ 文末区域 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:48px 0 40px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--tx-2);background:var(--bg-card);border:1px solid var(--bg-line);
  transition:color var(--ease),border-color var(--ease);
}
.tag:hover{color:var(--brand);border-color:rgba(168,230,53,.4);}
.tag svg{width:13px;height:13px;}

.pager-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:56px;}
.pager-card{
  display:block;border:1px solid var(--bg-line);border-radius:var(--r-md);
  background:var(--bg-card);padding:22px;
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.pager-card:hover{border-color:rgba(168,230,53,.28);transform:translateY(-3px);box-shadow:var(--shadow-card);}
.pager-card .pager-label{font-size:13px;color:var(--tx-3);display:block;margin-bottom:8px;}
.pager-card .pager-title{font-size:16px;color:var(--tx-1);line-height:1.6;transition:color var(--ease);}
.pager-card:hover .pager-title{color:var(--brand);}
.pager-card.right{text-align:right;}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:28px;letter-spacing:.5px;line-height:1.35;}
.section-head .more{
  font-size:14px;color:var(--tx-2);display:inline-flex;align-items:center;gap:6px;
  transition:color var(--ease);
}
.section-head .more:hover{color:var(--brand);}
.section-head .more svg{width:15px;height:15px;}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--bg-card);border:1px solid var(--bg-line);border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.card:hover{border-color:rgba(168,230,53,.28);transform:translateY(-4px);box-shadow:var(--shadow-card);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(168,230,53,.12),rgba(255,94,122,.1));}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;color:var(--tx-1);transition:color var(--ease);}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{
  font-size:14px;line-height:1.7;color:var(--tx-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--tx-3);margin-top:auto;padding-top:6px;}
.card-meta span{display:inline-flex;align-items:center;gap:5px;}
.card-meta svg{width:13px;height:13px;}

/* CTA 带 */
.cta-band{
  margin:88px 0 0;
  border:1px solid rgba(168,230,53,.28);
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(168,230,53,.08) 0%,rgba(108,92,231,.10) 100%),var(--bg-elev);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;line-height:1.4;letter-spacing:.5px;margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--tx-2);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn svg{width:18px;height:18px;}
.btn-primary{background:linear-gradient(135deg,var(--brand) 0%,#7FBF1F 100%);color:#12200A;}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(168,230,53,.28);}
.btn-primary:active{transform:translateY(0);background:var(--brand-press);}
.btn-ghost{border:1px solid var(--bg-line);color:var(--tx-1);background:transparent;}
.btn-ghost:hover{border-color:rgba(168,230,53,.45);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn[disabled]{opacity:.4;cursor:not-allowed;pointer-events:none;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--tx-2);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color var(--ease),border-color var(--ease);
}
.btn-link:hover{color:var(--brand);border-bottom-color:var(--brand);}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;border-top:1px solid var(--bg-line);
  background:var(--bg-elev);padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand .logo-text{display:inline-block;font-size:18px;margin-bottom:12px;}
.footer-brand p{font-size:14px;color:var(--tx-2);line-height:1.8;max-width:320px;}
.footer-search{
  display:flex;align-items:center;height:46px;margin-top:18px;max-width:320px;
  border-radius:var(--r-md);background:var(--bg-card);border:1px solid var(--bg-line);
  padding:0 4px 0 14px;transition:border-color var(--ease),box-shadow var(--ease);
}
.footer-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(168,230,53,.2);}
.footer-search input{flex:1;min-width:0;border:0;background:transparent;height:44px;font-size:14px;outline:none;}
.footer-search input::placeholder{color:var(--tx-3);}
.footer-search button{width:38px;height:36px;border-radius:var(--r-sm);background:var(--brand);color:#12200A;display:grid;place-items:center;transition:background var(--ease);}
.footer-search button:hover{background:var(--brand-hover);}
.footer-search button svg{width:16px;height:16px;}
.footer-title{font-size:15px;color:var(--brand);margin-bottom:16px;letter-spacing:.5px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--tx-2);display:inline-block;transition:color var(--ease),transform var(--ease);}
.footer-links a:hover{color:var(--tx-1);transform:translateX(2px);}
.footer-note{font-size:14px;color:var(--tx-2);line-height:1.9;}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--bg-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}

/* 返回顶部 */
.back-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--bg-card);border:1px solid var(--bg-line);color:var(--tx-1);
  display:grid;place-items:center;z-index:50;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),visibility var(--ease),transform var(--ease),border-color var(--ease);
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{border-color:rgba(168,230,53,.45);color:var(--brand);}
.back-top svg{width:18px;height:18px;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .menu-toggle{display:grid;}
  .header-inner{height:auto;padding:12px 0;flex-wrap:wrap;gap:12px;}
  .search-bar{order:3;max-width:100%;flex:1 1 100%;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .toc{display:none;}
  .article-title{font-size:32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-wrap{padding-top:132px;}
}
@media (max-width:768px){
  .page-wrap{padding-top:124px;}
  .article-head{padding:28px 24px 24px;border-radius:var(--r-md);}
  .article-title{font-size:26px;}
  .prose{font-size:16px;}
  .prose h2{font-size:22px;margin-top:32px;}
  .prose h3{font-size:18px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:22px;}
  .pager-grid{grid-template-columns:1fr;}
  .pager-card.right{text-align:left;}
  .cta-band{padding:28px 24px;margin-top:64px;}
  .cta-band h2{font-size:20px;}
  .site-footer{padding:48px 0 24px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .back-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .card-grid{grid-template-columns:1fr;}
  .article-title{font-size:24px;}
  .btn{width:100%;}
  .cta-band .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --bg-base:#100E1A;
  --bg-elev:#171327;
  --bg-card:#1C1830;
  --bg-line:rgba(255,255,255,.08);
  --brand:#A8E635;
  --brand-h:#BDFA52;
  --brand-a:#8DC81F;
  --accent:#FF5E7A;
  --cool:#6C5CE7;
  --tx-1:#F2F0FA;
  --tx-2:#A9A3C4;
  --tx-3:#6F6A8A;
  --ok:#3DDC97;
  --warn:#F2C14E;
  --err:#FF6B6B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sp-7:88px;
  --ease:.22s cubic-bezier(.4,0,.2,1);
  --shadow-hover:0 12px 32px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:0;
  overflow-x:hidden;
}
h1,h2,h3,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),transform var(--ease);}
button{font-family:inherit;border:0;background:none;color:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(168,230,53,.3);color:#fff;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--sp-4);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-stuck{
  background:rgba(16,14,26,.92);
  border-bottom:1px solid var(--bg-line);
  box-shadow:0 8px 28px rgba(0,0,0,.4);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nav-inner{
  display:flex;align-items:center;gap:var(--sp-3);
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),#7FBF1F);
  display:grid;place-items:center;color:#10131A;font-size:13px;font-weight:700;
  box-shadow:0 0 0 1px rgba(168,230,53,.35);
}
.logo-text{font-size:17px;font-weight:600;letter-spacing:.5px;color:var(--tx-1);white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--brand);}

.nav-search{
  flex:1 1 auto;max-width:520px;min-width:220px;
  display:flex;align-items:center;gap:8px;
  height:46px;padding:0 6px 0 16px;
  background:var(--bg-elev);
  border:1px solid var(--bg-line);
  border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(168,230,53,.16);}
.nav-search svg{width:20px;height:20px;color:var(--tx-3);flex-shrink:0;}
.nav-search input{
  flex:1;height:100%;min-width:0;border:0;background:transparent;
  color:var(--tx-1);font-size:15px;outline:none;
}
.nav-search input::placeholder{color:var(--tx-3);}
.btn-search{
  height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--brand),#7FBF1F);
  color:#10131A;font-size:14px;font-weight:600;letter-spacing:.5px;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease);
}
.btn-search:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(168,230,53,.28);}
.btn-search:active{transform:translateY(0);}

.nav-links{display:flex;align-items:center;gap:var(--sp-3);flex-shrink:0;}
.nav-links a{
  position:relative;font-size:15px;color:var(--tx-2);white-space:nowrap;padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-links a:hover{color:var(--tx-1);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);}
.nav-cta{
  height:38px;padding:0 18px;border-radius:var(--r-md);
  border:1px solid var(--bg-line);color:var(--tx-1);font-size:14px;
  display:inline-flex;align-items:center;transition:border-color var(--ease),color var(--ease);
}
.nav-cta:hover{border-color:var(--brand);color:var(--brand);}

.nav-mobile-row{display:none;}
.hamburger{display:none;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--bg-line);place-items:center;}
.hamburger span{display:block;width:18px;height:2px;background:var(--tx-1);border-radius:2px;position:relative;transition:background var(--ease);}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--tx-1);border-radius:2px;transition:transform var(--ease);
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
body.menu-open .hamburger span{background:transparent;}
body.menu-open .hamburger span::before{transform:translateY(6px) rotate(45deg);}
body.menu-open .hamburger span::after{transform:translateY(-6px) rotate(-45deg);}

.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.55);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:130;
}
body.menu-open .drawer-mask{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;z-index:140;
  background:var(--bg-elev);border-right:1px solid var(--bg-line);
  padding:var(--sp-3);overflow-y:auto;
  transform:translateX(-102%);transition:transform var(--ease);
}
body.menu-open .drawer{transform:translateX(0);}
.drawer-title{font-size:13px;color:var(--brand);letter-spacing:.5px;margin:var(--sp-3) 0 var(--sp-1);}
.drawer-link{display:block;padding:12px 0;font-size:15px;color:var(--tx-2);border-bottom:1px solid var(--bg-line);}
.drawer-link:hover,.drawer-link.active{color:var(--brand);}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--sp-2);}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--bg-line);
  background:var(--bg-card);color:var(--tx-2);font-size:13px;white-space:nowrap;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.chip:hover{color:var(--tx-1);border-color:rgba(168,230,53,.4);}
.chip.active{background:rgba(168,230,53,.14);border-color:rgba(168,230,53,.5);color:var(--brand);}

/* ---------- 分类头图 ---------- */
.page-hero{
  position:relative;padding:150px 0 64px;
  background-image:linear-gradient(180deg,rgba(16,14,26,.78) 0%,rgba(16,14,26,.62) 45%,var(--bg-base) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:160px;
  background:linear-gradient(180deg,rgba(16,14,26,0),var(--bg-base));
  pointer-events:none;
}
.breadcrumb{position:relative;z-index:2;font-size:13px;color:var(--tx-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.breadcrumb a{color:var(--tx-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--tx-3);opacity:.6;}
.breadcrumb .now{color:var(--tx-2);}
.hero-badge{
  position:relative;z-index:2;display:inline-flex;align-items:center;gap:6px;
  margin-top:var(--sp-3);height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,94,122,.14);border:1px solid rgba(255,94,122,.4);color:var(--accent);
  font-size:13px;letter-spacing:.5px;
}
.page-hero h1{
  position:relative;z-index:2;
  margin-top:var(--sp-2);
  font-size:40px;line-height:1.3;letter-spacing:.5px;font-weight:600;
}
.page-hero .lead{
  position:relative;z-index:2;
  margin-top:var(--sp-2);max-width:680px;color:var(--tx-2);font-size:17px;line-height:1.9;
}
.filter-row{position:relative;z-index:2;margin-top:var(--sp-4);}

/* ---------- 概览统计条 ---------- */
.section{padding:var(--sp-7) 0;}
.section.tight{padding-top:var(--sp-5);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-3);margin-bottom:var(--sp-4);flex-wrap:wrap;}
.sec-head h2{font-size:28px;line-height:1.32;letter-spacing:.5px;font-weight:600;}
.sec-head .sec-sub{margin-top:8px;color:var(--tx-2);font-size:15px;}
.sec-link{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.sec-link svg{width:16px;height:16px;}
.sec-link:hover{color:var(--brand-h);}

.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);}
.stat-card{
  background:var(--bg-card);border:1px solid var(--bg-line);border-radius:var(--r-md);
  padding:var(--sp-3) var(--sp-3) var(--sp-3);
  display:flex;flex-direction:column;gap:6px;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.stat-card:hover{border-color:rgba(168,230,53,.28);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.stat-num{font-size:32px;line-height:1.2;font-weight:700;color:var(--brand);letter-spacing:.5px;}
.stat-num small{font-size:15px;color:var(--tx-2);font-weight:600;margin-left:4px;}
.stat-label{font-size:15px;color:var(--tx-1);font-weight:600;}
.stat-note{font-size:13px;color:var(--tx-3);line-height:1.7;}

/* ---------- 卡片流 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);}
.card{
  background:var(--bg-card);border:1px solid var(--bg-line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.card:hover{border-color:rgba(168,230,53,.28);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(168,230,53,.12),rgba(255,94,122,.1));}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card:hover .card-cover img{transform:scale(1.04);}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,14,26,0) 45%,rgba(16,14,26,.55));}
.badge{
  position:absolute;top:12px;left:12px;z-index:2;
  height:26px;padding:0 11px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.5px;font-weight:600;
}
.badge.hot{background:rgba(255,94,122,.9);color:#fff;}
.badge.new{background:rgba(108,92,231,.92);color:#fff;}
.badge.upd{background:rgba(168,230,53,.92);color:#14170F;}
.card-body{padding:var(--sp-3);display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.45;font-weight:600;transition:color var(--ease);}
.card:hover .card-body h3{color:var(--brand);}
.card-desc{
  color:var(--tx-2);font-size:15px;line-height:1.85;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);padding-top:6px;border-top:1px solid var(--bg-line);
}
.card-meta .m{display:inline-flex;align-items:center;gap:5px;}
.card-meta svg{width:14px;height:14px;color:var(--tx-3);}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);}
.step{
  position:relative;background:var(--bg-elev);border:1px solid var(--bg-line);
  border-radius:var(--r-md);padding:var(--sp-3);
  transition:border-color var(--ease),transform var(--ease);
}
.step:hover{border-color:rgba(168,230,53,.28);transform:translateY(-3px);}
.step-idx{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:rgba(168,230,53,.14);color:var(--brand);font-size:15px;font-weight:700;
}
.step h3{margin-top:14px;font-size:17px;font-weight:600;}
.step p{margin-top:8px;color:var(--tx-2);font-size:14px;line-height:1.85;}
.step .tagline{
  display:inline-block;margin-top:12px;font-size:12px;color:var(--tx-3);
  border:1px solid var(--bg-line);border-radius:var(--r-pill);padding:3px 10px;
}

/* ---------- 互链卡 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);}
.related-card{
  border:1px solid var(--bg-line);border-radius:var(--r-md);background:var(--bg-card);
  padding:var(--sp-3);display:flex;flex-direction:column;gap:10px;
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.related-card:hover{border-color:rgba(168,230,53,.28);transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.related-card .rc-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.related-card h3{font-size:18px;font-weight:600;transition:color var(--ease);}
.related-card:hover h3{color:var(--brand);}
.related-card p{color:var(--tx-2);font-size:15px;line-height:1.85;}
.rc-go{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);}
.rc-go svg{width:16px;height:16px;transition:transform var(--ease);}
.related-card:hover .rc-go svg{transform:translateX(4px);}
.rc-icon{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:rgba(168,230,53,.12);color:var(--brand);flex-shrink:0;}
.rc-icon svg{width:18px;height:18px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  border:1px solid var(--bg-line);border-radius:var(--r-md);background:var(--bg-card);
  overflow:hidden;transition:border-color var(--ease),background var(--ease);
}
.faq-item.open{border-color:rgba(168,230,53,.35);background:var(--bg-elev);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-2);
  padding:18px var(--sp-3);text-align:left;font-size:18px;line-height:1.6;color:var(--tx-1);
}
.faq-q .ico{
  position:relative;width:22px;height:22px;flex-shrink:0;border-radius:50%;
  border:1px solid var(--bg-line);transition:transform .2s ease,border-color var(--ease);
}
.faq-q .ico::before,.faq-q .ico::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--tx-2);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-q .ico::before{width:10px;height:2px;}
.faq-q .ico::after{width:2px;height:10px;transition:opacity var(--ease);}
.faq-item.open .faq-q .ico{transform:rotate(180deg);border-color:rgba(168,230,53,.5);}
.faq-item.open .faq-q .ico::before{background:var(--brand);}
.faq-item.open .faq-q .ico::after{opacity:0;}
.faq-item.open .faq-q{color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-a-inner{
  padding:0 var(--sp-3) 20px;color:var(--tx-2);font-size:15px;line-height:1.9;
  border-left:3px solid transparent;
}
.faq-item.open .faq-a-inner{border-left-color:var(--brand);margin-left:var(--sp-3);padding-left:16px;}

/* ---------- CTA ---------- */
.cta-band{
  border:1px solid rgba(168,230,53,.35);border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(28,24,48,.96),rgba(23,19,39,.96));
  padding:var(--sp-4);display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);flex-wrap:wrap;
}
.cta-band h2{font-size:24px;line-height:1.35;letter-spacing:.5px;}
.cta-band p{margin-top:8px;color:var(--tx-2);font-size:15px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;letter-spacing:.5px;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn svg{width:18px;height:18px;}
.btn-primary{background:linear-gradient(135deg,var(--brand),#7FBF1F);color:#10131A;}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(168,230,53,.32);background:var(--brand-h);}
.btn-primary:active{transform:translateY(0);background:var(--brand-a);}
.btn-ghost{border:1px solid var(--bg-line);color:var(--tx-1);background:transparent;}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sp-7);padding:var(--sp-6) 0 var(--sp-3);border-top:1px solid var(--bg-line);background:var(--bg-elev);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--sp-4);}
.footer-brand .logo-text{font-size:18px;}
.footer-brand p{margin-top:12px;color:var(--tx-2);font-size:14px;line-height:1.8;}
.footer-search{
  margin-top:var(--sp-2);display:flex;align-items:center;gap:6px;
  height:46px;padding:0 6px 0 14px;background:var(--bg-card);
  border:1px solid var(--bg-line);border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease);max-width:320px;
}
.footer-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(168,230,53,.16);}
.footer-search input{flex:1;min-width:0;border:0;background:transparent;color:var(--tx-1);font-size:14px;outline:none;}
.footer-search input::placeholder{color:var(--tx-3);}
.footer-search button{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand);color:#10131A;transition:background var(--ease),transform var(--ease);
}
.footer-search button:hover{background:var(--brand-h);transform:translateY(-1px);}
.footer-search svg{width:16px;height:16px;}
.footer-title{color:var(--brand);font-size:15px;font-weight:600;letter-spacing:.5px;margin-bottom:var(--sp-2);}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--tx-2);display:inline-block;transition:color var(--ease),transform var(--ease);}
.footer-links a:hover{color:var(--tx-1);transform:translateX(2px);}
.footer-note{color:var(--tx-2);font-size:14px;line-height:1.9;}
.footer-bottom{
  margin-top:var(--sp-5);padding-top:var(--sp-3);border-top:1px solid var(--bg-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:var(--tx-3);font-size:13px;
}
.back-top{
  position:fixed;right:24px;bottom:24px;z-index:110;
  width:44px;height:44px;border-radius:50%;
  background:var(--bg-card);border:1px solid var(--bg-line);color:var(--brand);
  display:grid;place-items:center;opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease),border-color var(--ease),transform var(--ease);
}
.back-top.show{opacity:1;visibility:visible;}
.back-top:hover{border-color:var(--brand);transform:translateY(-2px);}
.back-top svg{width:20px;height:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 var(--sp-3);}
  .nav-links{display:none;}
  .nav-search{max-width:420px;}
  .page-hero h1{font-size:32px;}
  .sec-head h2{font-size:24px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:var(--sp-3);}
  .section{padding:var(--sp-6) 0;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .site-header{background:rgba(16,14,26,.94);border-bottom:1px solid var(--bg-line);backdrop-filter:blur(12px);}
  .nav-inner{display:none;}
  .nav-mobile-row{display:block;padding:10px 0 12px;}
  .nav-mobile-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .hamburger{display:grid;}
  .nav-mobile-row .nav-search{max-width:none;width:100%;height:44px;margin-top:10px;border-radius:var(--r-pill);}
  .page-hero{padding:130px 0 48px;}
  .page-hero h1{font-size:26px;}
  .stat-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-4);}
  .cta-band{padding:var(--sp-3);}
  .cta-band h2{font-size:20px;}
  .btn{width:100%;}
  .faq-q{font-size:16px;}
  .back-top{right:16px;bottom:16px;}
}
@media (max-width:480px){
  .container{padding:0 var(--sp-2);}
  .page-hero h1{font-size:24px;}
  .sec-head h2{font-size:22px;}
  .stat-num{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bg-base:#100E1A;
  --bg-elev:#171327;
  --bg-card:#1C1830;
  --bg-line:rgba(255,255,255,.08);
  --brand:#A8E635;
  --brand-hi:#BDFA52;
  --brand-lo:#8DC81F;
  --accent:#FF5E7A;
  --cool:#6C5CE7;
  --tx-1:#F2F0FA;
  --tx-2:#A9A3C4;
  --tx-3:#6F6A8A;
  --ok:#3DDC97;
  --warn:#F2C14E;
  --err:#FF6B6B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-hover:0 12px 32px rgba(0,0,0,.45);
  --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,p{margin:0;}
h1,h2,h3{line-height:1.32;letter-spacing:.5px;font-weight:700;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{
  background:rgba(16,14,26,.92);
  border-bottom-color:var(--bg-line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-lo));
  color:#12180A;font-size:13px;font-weight:700;letter-spacing:0;
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.5px;color:var(--tx-1);white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--brand);}
.nav-search{
  flex:1 1 auto;
  max-width:520px;
  display:flex;align-items:center;gap:10px;
  height:46px;
  padding:0 6px 0 16px;
  border:1px solid var(--bg-line);
  border-radius:var(--r-pill);
  background:var(--bg-elev);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(168,230,53,.16);}
.nav-search svg{width:20px;height:20px;color:var(--tx-3);flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;min-width:0;
  height:100%;border:0;background:transparent;
  color:var(--tx-1);font-size:14px;outline:none;
}
.nav-search input::placeholder{color:var(--tx-3);}
.btn-search{
  flex:0 0 auto;
  height:34px;padding:0 18px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--brand),var(--brand-lo));
  color:#12180A;font-size:14px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease);
}
.btn-search:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(168,230,53,.28);}
.btn-search:active{transform:translateY(0);}
.nav-links{display:flex;align-items:center;gap:20px;margin-left:auto;}
.nav-links a{
  position:relative;
  font-size:14px;color:var(--tx-2);white-space:nowrap;
  padding:6px 0;
  transition:color var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--tx-1);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--bg-line);
  place-items:center;
  color:var(--tx-1);
}
.nav-toggle svg{width:22px;height:22px;}
.mobile-search{display:none;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:70;
  background:rgba(0,0,0,.55);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;z-index:80;
  width:82vw;max-width:340px;
  background:var(--bg-elev);
  border-right:1px solid var(--bg-line);
  padding:24px 20px 40px;
  transform:translateX(-102%);
  transition:transform var(--ease);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px;}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-sm);
  border:1px solid var(--bg-line);display:grid;place-items:center;color:var(--tx-2);
}
.drawer-close svg{width:18px;height:18px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  display:block;padding:13px 14px;border-radius:var(--r-md);
  font-size:15px;color:var(--tx-2);
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.drawer-nav a:hover{background:var(--bg-card);color:var(--tx-1);transform:translateX(2px);}
.drawer-nav a.active{background:rgba(168,230,53,.12);color:var(--brand);}
.drawer-sub{margin:26px 0 12px;font-size:13px;color:var(--tx-3);letter-spacing:.5px;}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-chips a{
  padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--bg-line);background:var(--bg-card);
  font-size:13px;color:var(--tx-2);
  transition:border-color var(--ease),color var(--ease);
}
.drawer-chips a:hover{border-color:rgba(168,230,53,.35);color:var(--brand);}

/* ---------- 分类头图 ---------- */
.cat-hero{
  position:relative;
  margin-top:72px;
  min-height:300px;
  display:flex;align-items:flex-end;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  padding:72px 0 40px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,14,26,.62) 0%,rgba(16,14,26,.78) 55%,var(--bg-base) 100%);
}
.cat-hero-inner{position:relative;z-index:2;width:100%;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:18px;}
.breadcrumb a{color:var(--tx-2);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{color:var(--tx-3);}
.cat-hero h1{
  font-size:40px;
  line-height:1.24;
  letter-spacing:.5px;
  margin-bottom:14px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.cat-desc{max-width:720px;color:var(--tx-2);font-size:16px;line-height:1.9;}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  padding:8px 18px;border-radius:var(--r-pill);
  border:1px solid var(--bg-line);background:rgba(28,24,48,.72);
  font-size:14px;color:var(--tx-2);
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.chip:hover{border-color:rgba(168,230,53,.35);color:var(--tx-1);transform:translateY(-1px);}
.chip.active{background:rgba(168,230,53,.14);border-color:rgba(168,230,53,.45);color:var(--brand);}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section.tight{padding:56px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:32px;
}
.section-title{font-size:28px;line-height:1.3;}
.section-title em{font-style:normal;color:var(--brand);}
.section-note{margin-top:10px;font-size:14px;color:var(--tx-2);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--brand);
  transition:gap var(--ease),color var(--ease);
}
.link-more svg{width:16px;height:16px;}
.link-more:hover{gap:10px;color:var(--brand-hi);}

/* ---------- Top3 ---------- */
.top3-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rank-card{
  position:relative;
  background:var(--bg-card);
  border:1px solid var(--bg-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rank-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(168,230,53,.28);}
.rank-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(168,230,53,.12),rgba(255,94,122,.10));}
.rank-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.rank-card:hover .thumb img{transform:scale(1.04);}
.badge{
  position:absolute;top:12px;left:12px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.badge.hot{background:rgba(255,94,122,.18);color:var(--accent);border:1px solid rgba(255,94,122,.35);}
.badge.new{background:rgba(108,92,231,.20);color:#B4A9FF;border:1px solid rgba(108,92,231,.42);}
.badge.upd{background:rgba(168,230,53,.16);color:var(--brand);border:1px solid rgba(168,230,53,.35);}
.rank-card .body{padding:20px 22px 24px;}
.rank-no{
  display:block;
  font-size:26px;font-weight:700;color:var(--accent);
  letter-spacing:1px;margin-bottom:6px;
}
.rank-card h3{font-size:18px;margin-bottom:10px;transition:color var(--ease);}
.rank-card:hover h3{color:var(--brand);}
.rank-card p{font-size:14px;color:var(--tx-2);line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:16px;font-size:13px;color:var(--tx-3);
}
.meta .dot{width:4px;height:4px;border-radius:50%;background:var(--tx-3);}
.meta svg{width:14px;height:14px;vertical-align:-2px;margin-right:4px;}

/* ---------- 榜单列表 ---------- */
.rank-list{
  border:1px solid var(--bg-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--bg-elev);
}
.rank-row{
  display:flex;align-items:center;gap:24px;
  padding:20px 26px;
  border-bottom:1px solid var(--bg-line);
  transition:background var(--ease),transform var(--ease);
}
.rank-row:last-child{border-bottom:0;}
.rank-row:hover{background:var(--bg-card);}
.rank-row .row-no{
  flex:0 0 48px;
  font-size:24px;font-weight:700;color:var(--accent);letter-spacing:.5px;
}
.rank-row .row-thumb{
  flex:0 0 160px;width:160px;height:100px;
  border-radius:var(--r-md);overflow:hidden;
  background:linear-gradient(135deg,rgba(168,230,53,.12),rgba(255,94,122,.10));
}
.rank-row .row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.rank-row:hover .row-thumb img{transform:scale(1.05);}
.rank-row .row-body{flex:1 1 auto;min-width:0;}
.rank-row h3{font-size:17px;margin-bottom:8px;transition:color var(--ease);}
.rank-row:hover h3{color:var(--brand);}
.rank-row .row-body p{
  font-size:14px;color:var(--tx-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-arrow{
  flex:0 0 auto;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--bg-line);background:var(--bg-card);
  display:grid;place-items:center;color:var(--tx-2);
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.row-arrow svg{width:16px;height:16px;}
.rank-row:hover .row-arrow{background:var(--brand);color:#12180A;transform:translateX(3px);}

/* ---------- 环境核对数据条 ---------- */
.band{
  border:1px solid var(--bg-line);
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,var(--bg-elev),var(--bg-base));
  padding:34px 34px 30px;
}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:26px;}
.band-item{
  border:1px solid var(--bg-line);
  border-radius:var(--r-md);
  background:var(--bg-card);
  padding:20px 22px;
  transition:border-color var(--ease),transform var(--ease);
}
.band-item:hover{border-color:rgba(168,230,53,.28);transform:translateY(-2px);}
.band-item .num{font-size:22px;font-weight:700;color:var(--brand);letter-spacing:.5px;}
.band-item h3{font-size:15px;margin:8px 0 6px;color:var(--tx-1);}
.band-item p{font-size:13px;color:var(--tx-2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq{max-width:920px;}
.faq-item{
  border:1px solid var(--bg-line);
  border-radius:var(--r-md);
  background:var(--bg-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item:hover{border-color:rgba(168,230,53,.24);}
.faq-item.open{border-color:rgba(168,230,53,.42);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:18px;line-height:1.6;color:var(--tx-1);
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--bg-line);
  display:grid;place-items:center;color:var(--brand);
  transition:transform var(--ease),background var(--ease);
}
.faq-icon svg{width:14px;height:14px;}
.faq-item.open .faq-icon{transform:rotate(180deg);background:rgba(168,230,53,.14);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height var(--ease);
}
.faq-a-inner{
  padding:0 24px 22px 24px;
  margin-top:-4px;
  border-left:2px solid var(--brand);
  margin-left:24px;
  padding-left:16px;
  color:var(--tx-2);font-size:15px;line-height:1.9;
}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:block;
  border:1px solid var(--bg-line);
  border-radius:var(--r-md);
  background:var(--bg-card);
  padding:26px 24px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(168,230,53,.28);box-shadow:var(--shadow-hover);}
.rel-card .tag{
  display:inline-block;padding:3px 12px;border-radius:var(--r-pill);
  font-size:12px;color:var(--brand);background:rgba(168,230,53,.14);
  margin-bottom:14px;
}
.rel-card h3{font-size:18px;margin-bottom:10px;transition:color var(--ease);}
.rel-card:hover h3{color:var(--brand);}
.rel-card p{font-size:14px;color:var(--tx-2);line-height:1.85;}

/* ---------- CTA 带 ---------- */
.cta-band{
  border:1px solid rgba(168,230,53,.42);
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,var(--bg-elev),var(--bg-card));
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{font-size:24px;margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--tx-2);max-width:640px;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-md);
  font-size:15px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn svg{width:18px;height:18px;}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-lo));color:#12180A;}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(168,230,53,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid var(--bg-line);color:var(--tx-1);background:transparent;}
.btn-ghost:hover{border-color:rgba(168,230,53,.45);color:var(--brand);transform:translateY(-1px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:72px;
  border-top:1px solid var(--bg-line);
  background:var(--bg-elev);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{font-size:18px;}
.footer-brand p{margin:16px 0 20px;font-size:14px;color:var(--tx-2);}
.footer-search{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 6px 0 14px;
  border:1px solid var(--bg-line);border-radius:var(--r-pill);
  background:var(--bg-card);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.footer-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(168,230,53,.16);}
.footer-search input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;color:var(--tx-1);font-size:14px;outline:none;}
.footer-search input::placeholder{color:var(--tx-3);}
.footer-search button{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  background:rgba(168,230,53,.16);color:var(--brand);
  display:grid;place-items:center;
  transition:background var(--ease),color var(--ease);
}
.footer-search button:hover{background:var(--brand);color:#12180A;}
.footer-search svg{width:16px;height:16px;}
.footer-title{font-size:15px;color:var(--brand);margin-bottom:18px;letter-spacing:.5px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  font-size:14px;color:var(--tx-2);
  transition:color var(--ease),transform var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:var(--tx-1);transform:translateX(2px);}
.footer-note{font-size:14px;color:var(--tx-2);line-height:2;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--bg-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--tx-3);
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:28px;z-index:60;
  width:44px;height:44px;border-radius:50%;
  background:var(--bg-card);border:1px solid var(--bg-line);
  display:grid;place-items:center;color:var(--tx-1);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease),background var(--ease),color var(--ease),transform var(--ease);
}
.back-top.show{opacity:1;visibility:visible;}
.back-top:hover{background:var(--brand);color:#12180A;transform:translateY(-2px);}
.back-top svg{width:18px;height:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav-search{max-width:340px;}
  .nav-links{gap:14px;}
  .nav-links a{font-size:13px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .header-inner{height:64px;}
  .mobile-search{
    display:block;
    padding:0 24px 14px;
  }
  .mobile-search .nav-search{display:flex;max-width:none;}
  .cat-hero{margin-top:108px;padding:56px 0 34px;}
  .cat-hero h1{font-size:32px;}
  .section{padding:64px 0;}
  .top3-grid{grid-template-columns:repeat(2,1fr);}
  .band-grid{grid-template-columns:repeat(2,1fr);}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  .cat-hero{margin-top:112px;}
  .rank-row{gap:16px;padding:18px;}
  .rank-row .row-thumb{flex:0 0 108px;width:108px;height:72px;}
  .rank-row .row-no{flex:0 0 34px;font-size:20px;}
  .rank-row .row-arrow{display:none;}
  .section-title{font-size:22px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .mobile-search{padding:0 16px 12px;}
  .cat-hero{margin-top:110px;min-height:260px;}
  .cat-hero h1{font-size:26px;}
  .cat-desc{font-size:15px;}
  .top3-grid,.band-grid,.related-grid,.footer-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .rank-row{flex-wrap:wrap;}
  .rank-row .row-body{flex:1 1 100%;}
  .band{padding:24px 20px;}
  .cta-band{padding:26px 22px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;justify-content:center;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a-inner{margin-left:18px;padding-right:18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .rank-card:hover,.rank-row:hover .row-arrow,.rel-card:hover,.back-top:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --bg-base:#100E1A;
  --bg-elev:#171327;
  --bg-card:#1C1830;
  --bg-line:rgba(255,255,255,.08);
  --brand:#A8E635;
  --brand-hover:#BDFA52;
  --brand-down:#8DC81F;
  --accent:#FF5E7A;
  --cool:#6C5CE7;
  --tx-1:#F2F0FA;
  --tx-2:#A9A3C4;
  --tx-3:#6F6A8A;
  --ok:#3DDC97;
  --warn:#F2C14E;
  --err:#FF6B6B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-hover:0 12px 32px rgba(0,0,0,.45);
  --line-brand:rgba(168,230,53,.28);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px;
  --ease:.22s cubic-bezier(.4,0,.2,1);
  --maxw:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease),transform var(--ease);}
button{font-family:inherit;cursor:pointer;background:none;border:0;color:inherit;}
input{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{line-height:1.3;letter-spacing:.5px;font-weight:700;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:64px 0;}
.section-tight{padding:48px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.sec-head h2{font-size:28px;}
.sec-head .sec-desc{color:var(--tx-2);font-size:14px;margin-top:8px;}
.sec-more{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.sec-more:hover{color:var(--brand-hover);}
.sec-more svg{width:16px;height:16px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);letter-spacing:.5px;}

/* ---------- 顶部导航 ---------- */
.topbar{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  background:rgba(16,14,26,.35);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.topbar.is-stuck{
  background:rgba(16,14,26,.92);
  border-bottom-color:var(--bg-line);
  box-shadow:0 8px 24px rgba(0,0,0,.35);
}
.nav-wrap{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand) 0%,#7FBF1F 100%);
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(168,230,53,.25);
}
.brand-mark svg{width:16px;height:16px;color:#141122;}
.logo-text{font-size:17px;font-weight:700;color:var(--tx-1);letter-spacing:.5px;white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--brand);}
.nav-search{
  flex:1;
  max-width:520px;
  min-width:220px;
  position:relative;
  display:flex;align-items:center;
}
.nav-search .search-ico{position:absolute;left:18px;width:20px;height:20px;color:var(--tx-3);pointer-events:none;}
.nav-search input{
  width:100%;height:46px;
  border-radius:var(--r-pill);
  border:1px solid var(--bg-line);
  background:var(--bg-elev);
  color:var(--tx-1);
  padding:0 108px 0 48px;
  font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.nav-search input::placeholder{color:var(--tx-3);}
.nav-search input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(168,230,53,.18);
  background:#1A1630;
}
.nav-search button{
  position:absolute;right:5px;top:5px;bottom:5px;
  padding:0 20px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--brand) 0%,#7FBF1F 100%);
  color:#15121F;font-size:14px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease);
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(168,230,53,.28);}
.nav-search button:active{transform:translateY(0);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
.nav-links a{
  position:relative;
  font-size:14px;color:var(--tx-2);
  padding:10px 12px;
  border-radius:var(--r-sm);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--tx-1);background:var(--bg-elev);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-ghost{
  font-size:14px;color:var(--tx-2);
  border-bottom:1px solid transparent;
  padding-bottom:2px;margin-left:8px;
}
.nav-ghost:hover{color:var(--tx-1);border-bottom-color:var(--brand);}
.burger{display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--bg-line);background:var(--bg-elev);align-items:center;justify-content:center;}
.burger svg{width:20px;height:20px;color:var(--tx-1);}
.mobile-bar{display:none;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.55);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;
  background:var(--bg-elev);
  border-right:1px solid var(--bg-line);
  z-index:90;
  transform:translateX(-102%);
  transition:transform .26s cubic-bezier(.4,0,.2,1);
  padding:24px 20px 40px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--bg-line);display:grid;place-items:center;}
.drawer-close svg{width:18px;height:18px;}
.drawer-search{position:relative;margin-bottom:24px;}
.drawer-search input{
  width:100%;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--bg-line);background:var(--bg-card);
  color:var(--tx-1);padding:0 16px 0 44px;font-size:14px;
}
.drawer-search svg{position:absolute;left:16px;top:12px;width:20px;height:20px;color:var(--tx-3);}
.drawer-title{font-size:13px;color:var(--brand);letter-spacing:.5px;margin:20px 0 10px;}
.drawer-links a{display:block;padding:12px 10px;border-radius:var(--r-sm);color:var(--tx-2);font-size:15px;}
.drawer-links a:hover{background:var(--bg-card);color:var(--tx-1);}
.drawer-links a.active{color:var(--brand);background:rgba(168,230,53,.08);}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 通用组件 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--bg-line);
  background:var(--bg-elev);
  color:var(--tx-2);font-size:13px;
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.chip:hover{color:var(--tx-1);border-color:var(--line-brand);transform:translateY(-1px);}
.chip.active{background:rgba(168,230,53,.12);border-color:var(--line-brand);color:var(--brand);}
.badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.3px;
}
.badge-hot{background:rgba(255,94,122,.12);color:var(--accent);}
.badge-new{background:rgba(108,92,231,.16);color:#B7ACFF;}
.badge-ok{background:rgba(61,220,151,.12);color:var(--ok);}
.badge-brand{background:rgba(168,230,53,.12);color:var(--brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-md);
  font-size:15px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn svg{width:18px;height:18px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,#7FBF1F 100%);
  color:#15121F;
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(168,230,53,.28);}
.btn-primary:active{transform:translateY(0);background:var(--brand-down);}
.btn-ghost{
  border:1px solid var(--bg-line);
  color:var(--tx-1);
  background:transparent;
}
.btn-ghost:hover{border-color:var(--line-brand);color:var(--brand);transform:translateY(-1px);}
.btn-plain{color:var(--brand);padding:0;height:auto;border-bottom:1px solid transparent;}
.btn-plain:hover{border-bottom-color:var(--brand);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 分类头图 ---------- */
.cat-hero{
  position:relative;
  min-height:320px;
  display:flex;align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--bg-line);
}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center 30%;
  filter:saturate(.85);
}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,14,26,.72) 0%,rgba(16,14,26,.55) 45%,var(--bg-base) 100%);
}
.cat-hero-inner{position:relative;z-index:2;padding:56px 0 40px;width:100%;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--tx-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--tx-3);opacity:.7;}
.breadcrumb .current{color:var(--tx-2);}
.cat-hero h1{font-size:40px;line-height:1.25;max-width:820px;}
.cat-hero h1 span{color:var(--brand);}
.cat-hero .cat-sub{color:var(--tx-2);font-size:16px;margin-top:16px;max-width:720px;}
.cat-hero .chip-row{margin-top:24px;}

/* ---------- 概览数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:-26px;position:relative;z-index:5;
}
.stat{
  background:var(--bg-card);
  border:1px solid var(--bg-line);
  border-radius:var(--r-md);
  padding:20px 22px;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.stat:hover{border-color:var(--line-brand);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.stat b{display:block;font-size:26px;color:var(--brand);line-height:1.2;}
.stat small{display:block;color:var(--tx-3);font-size:13px;margin-top:6px;}

/* ---------- 双栏：目录 + 粘性信息卡 ---------- */
.layout-split{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start;}
.catalog{display:grid;gap:24px;}
.catalog-group{
  background:var(--bg-card);
  border:1px solid var(--bg-line);
  border-radius:var(--r-md);
  padding:26px 28px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.catalog-group:hover{border-color:var(--line-brand);box-shadow:var(--shadow-hover);}
.catalog-group h3{
  font-size:18px;display:flex;align-items:center;gap:10px;
  padding-bottom:14px;border-bottom:1px solid var(--bg-line);margin-bottom:16px;
}
.catalog-group h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(168,230,53,.14);}
.catalog-group .group-note{font-size:14px;color:var(--tx-2);margin-bottom:14px;}
.catalog-list{display:grid;gap:2px;}
.catalog-list a{
  display:flex;align-items:flex-start;gap:10px;
  padding:11px 10px;border-radius:var(--r-sm);
  font-size:15px;color:var(--tx-2);line-height:1.7;
  border-left:2px solid transparent;
}
.catalog-list a svg{width:16px;height:16px;flex-shrink:0;margin-top:5px;color:var(--tx-3);transition:color var(--ease),transform var(--ease);}
.catalog-list a:hover{background:var(--bg-elev);color:var(--tx-1);border-left-color:var(--brand);padding-left:14px;}
.catalog-list a:hover svg{color:var(--brand);transform:translateX(2px);}
.catalog-list small{display:block;color:var(--tx-3);font-size:13px;margin-top:2px;}

.side{display:grid;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--bg-card);
  border:1px solid var(--bg-line);
  border-radius:var(--r-md);
  padding:22px;
}
.side-card h3{font-size:15px;color:var(--brand);letter-spacing:.5px;margin-bottom:14px;}
.side-search{position:relative;}
.side-search input{
  width:100%;height:46px;border-radius:var(--r-md);
  border:1px solid var(--bg-line);background:var(--bg-elev);
  color:var(--tx-1);padding:0 14px 0 42px;font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.side-search input::placeholder{color:var(--tx-3);}
.side-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(168,230,53,.18);}
.side-search svg{position:absolute;left:14px;top:13px;width:20px;height:20px;color:var(--tx-3);}
.side-search .hint{font-size:13px;color:var(--tx-3);margin-top:10px;line-height:1.7;}
.side-list{display:grid;gap:10px;}
.side-list a{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--tx-2);line-height:1.7;
  padding:8px 10px;border-radius:var(--r-sm);background:var(--bg-elev);
  border:1px solid transparent;
}
.side-list a:hover{color:var(--tx-1);border-color:var(--line-brand);}
.side-list a i{font-style:normal;color:var(--accent);font-size:13px;font-weight:700;}
.side-meta{display:grid;gap:12px;margin-top:4px;}
.side-meta div{display:flex;justify-content:space-between;font-size:13px;color:var(--tx-3);border-bottom:1px dashed var(--bg-line);padding-bottom:10px;}
.side-meta div:last-child{border-bottom:0;padding-bottom:0;}
.side-meta strong{color:var(--tx-1);font-weight:600;}

/* ---------- 自查清单 / 时间线 ---------- */
.check-band{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:32px;align-items:center;
  background:var(--bg-elev);
  border:1px solid var(--bg-line);
  border-radius:var(--r-lg);
  padding:32px;
}
.check-band figure{margin:0;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--bg-line);}
.check-band img{width:100%;height:280px;object-fit:cover;transition:transform .35s cubic-bezier(.4,0,.2,1);}
.check-band:hover img{transform:scale(1.04);}
.check-list{display:grid;gap:14px;margin-top:20px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--tx-2);line-height:1.8;}
.check-list li b{color:var(--tx-1);font-weight:600;}
.check-ico{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:rgba(168,230,53,.12);color:var(--brand);
  display:grid;place-items:center;margin-top:5px;
}
.check-ico svg{width:13px;height:13px;}

.timeline{display:grid;gap:0;counter-reset:step;}
.tl-item{
  position:relative;
  padding:0 0 28px 60px;
  border-left:1px solid var(--bg-line);
  margin-left:18px;
}
.tl-item:last-child{border-left-color:transparent;padding-bottom:0;}
.tl-item::before{
  counter-increment:step;
  content:counter(step);
  position:absolute;left:-18px;top:0;
  width:36px;height:36px;border-radius:50%;
  background:var(--bg-card);border:1px solid var(--line-brand);
  color:var(--brand);font-size:14px;font-weight:700;
  display:grid;place-items:center;
  transition:background var(--ease),color var(--ease);
}
.tl-item:hover::before{background:var(--brand);color:#15121F;}
.tl-item h3{font-size:17px;margin-bottom:6px;}
.tl-item p{color:var(--tx-2);font-size:15px;}
.tl-item .tl-meta{font-size:13px;color:var(--tx-3);margin-top:8px;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--bg-line);
  border-radius:var(--r-md);
  border-left:3px solid transparent;
  overflow:hidden;
  transition:border-color var(--ease),background var(--ease);
}
.faq-item.open{border-left-color:var(--brand);background:var(--bg-elev);}
.faq-q{
  width:100%;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;
  font-size:17px;line-height:1.6;color:var(--tx-1);font-weight:600;
}
.faq-q:hover{color:var(--brand);}
.faq-sign{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--bg-line);display:grid;place-items:center;
  transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.faq-sign svg{width:14px;height:14px;color:var(--tx-2);}
.faq-item.open .faq-sign{transform:rotate(180deg);background:rgba(168,230,53,.12);border-color:var(--line-brand);}
.faq-item.open .faq-sign svg{color:var(--brand);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s cubic-bezier(.4,0,.2,1);
}
.faq-a p{padding:0 22px 22px;color:var(--tx-2);font-size:15px;line-height:1.85;}

/* ---------- 相关分类卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--bg-card);
  border:1px solid var(--bg-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-brand);box-shadow:var(--shadow-hover);}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,rgba(168,230,53,.12),rgba(255,94,122,.1));}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.4,0,.2,1);}
.card:hover .card-cover img{transform:scale(1.04);}
.card-cover .badge{position:absolute;top:12px;left:12px;}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;transition:color var(--ease);}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{color:var(--tx-2);font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--tx-3);margin-top:auto;padding-top:8px;}
.card-meta svg{width:14px;height:14px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(135deg,rgba(23,19,39,1) 0%,rgba(28,24,48,1) 60%,rgba(108,92,231,.28) 100%);
  border:1px solid var(--line-brand);
  border-radius:var(--r-lg);
  padding:32px 36px;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(168,230,53,.18),transparent 70%);
}
.cta-band h2{font-size:26px;}
.cta-band p{color:var(--tx-2);font-size:15px;margin-top:8px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  border-top:1px solid var(--bg-line);
  background:var(--bg-elev);
  padding:56px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .logo-text{font-size:18px;display:block;margin-bottom:12px;}
.footer-brand p{color:var(--tx-3);font-size:14px;margin-bottom:16px;}
.footer-search{position:relative;max-width:320px;}
.footer-search input{
  width:100%;height:46px;border-radius:var(--r-md);
  border:1px solid var(--bg-line);background:var(--bg-card);
  color:var(--tx-1);padding:0 52px 0 14px;font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.footer-search input::placeholder{color:var(--tx-3);}
.footer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(168,230,53,.18);}
.footer-search button{
  position:absolute;right:5px;top:5px;bottom:5px;width:40px;
  border-radius:var(--r-sm);background:rgba(168,230,53,.14);
  display:grid;place-items:center;color:var(--brand);
  transition:background var(--ease),color var(--ease);
}
.footer-search button:hover{background:var(--brand);color:#15121F;}
.footer-search button svg{width:18px;height:18px;}
.footer-title{font-size:15px;color:var(--brand);margin-bottom:16px;letter-spacing:.5px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--tx-2);display:inline-block;}
.footer-links a:hover{color:var(--tx-1);transform:translateX(2px);}
.footer-note{font-size:14px;color:var(--tx-2);line-height:2;}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid var(--bg-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}
.back-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;
  border-radius:50%;background:var(--bg-card);border:1px solid var(--bg-line);
  display:grid;place-items:center;color:var(--tx-1);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),visibility var(--ease),transform var(--ease),border-color var(--ease),color var(--ease);
  z-index:70;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{border-color:var(--brand);color:var(--brand);}
.back-top svg{width:18px;height:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-links a{padding:10px 8px;font-size:13.5px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .cat-hero h1{font-size:32px;}
  .layout-split{grid-template-columns:1fr;}
  .side{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .check-band{grid-template-columns:1fr;}
  .nav-search{max-width:360px;}
  .nav-links{display:none;}
  .burger{display:flex;margin-left:auto;}
  .nav-ghost{display:none;}
  .nav-wrap{min-height:64px;}
  .mobile-bar{display:block;padding:0 0 12px;}
  .mobile-bar .nav-search{max-width:none;min-width:0;}
  .mobile-bar .nav-search input{height:44px;}
  .mobile-bar .nav-search button{height:34px;top:5px;bottom:5px;padding:0 16px;font-size:13px;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .sec-head h2{font-size:22px;}
  .cat-hero{min-height:280px;}
  .cat-hero h1{font-size:26px;}
  .cat-hero .cat-sub{font-size:15px;}
  .stat-strip{grid-template-columns:1fr;margin-top:-16px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;}
  .cta-band h2{font-size:22px;}
  .catalog-group{padding:20px;}
  .check-band{padding:22px;}
  .check-band img{height:220px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:40px;margin-top:56px;}
  .back-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .cat-hero h1{font-size:23px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .btn-plain{width:auto;}
  .nav-search button{padding:0 14px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .card:hover,.stat:hover,.chip:hover,.btn:hover{transform:none;}
}