/* roulang page: index */
:root{
  --ink:#14171A;
  --ink-2:#3A4046;
  --ink-3:#767E85;
  --line:#E3E6DF;
  --bg:#F6F7F2;
  --bg-2:#FFFFFF;
  --bg-3:#EDF0E6;
  --primary:#0B7A5A;
  --primary-press:#07543F;
  --primary-soft:#E3F3EC;
  --accent:#CBF23C;
  --accent-dark:#B9DE2E;
  --accent-ink:#1A2200;
  --hot:#FF6A2B;
  --radius:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,23,26,.05), 0 4px 12px rgba(20,23,26,.05);
  --shadow-2:0 10px 28px rgba(20,23,26,.12);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t)}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 顶部倒计时 ---------- */
.countdown{
  background:var(--ink);
  color:#fff;
  min-height:52px;
  display:flex;
  align-items:center;
}
.countdown .container{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:52px;
  flex-wrap:wrap;
}
.cd-label{
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  color:rgba(255,255,255,.82);
  white-space:nowrap;
}
.cd-label strong{color:var(--accent);font-weight:700}
.cd-timer{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.cd-unit{
  display:flex;
  align-items:baseline;
  gap:4px;
  background:rgba(203,242,60,.12);
  border-radius:8px;
  padding:4px 10px;
}
.cd-num{
  font-size:20px;
  font-weight:800;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
  line-height:1.2;
  min-width:26px;
  text-align:center;
}
.cd-suffix{font-size:11px;color:rgba(255,255,255,.6)}
.cd-link{
  font-size:13px;
  color:rgba(255,255,255,.8);
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.cd-link:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,247,242,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.logo-mark{
  width:32px;height:32px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-press) 100%);
  display:grid;place-items:center;
  flex:none;
}
.logo-mark svg{width:18px;height:18px;fill:none;stroke:var(--accent);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.logo:hover{color:var(--primary)}
.nav-list{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 0;
  display:inline-block;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:var(--primary)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after,
.nav-link:hover::after{transform:scaleX(1)}
.nav-cta{
  height:40px;
  display:inline-flex;
  align-items:center;
  padding:0 20px;
  border-radius:var(--radius-btn);
  background:var(--accent);
  color:var(--accent-ink);
  font-size:14px;
  font-weight:700;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.nav-cta:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--bg-2);
  margin-left:auto;
  place-items:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--ink);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:8px 0 20px;
}
.drawer.is-open{display:block}
.drawer a{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 24px;
  font-size:16px;
  font-weight:500;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
  opacity:0;
  animation:drawerIn 240ms ease forwards;
}
.drawer a:nth-child(2){animation-delay:40ms}
.drawer a:nth-child(3){animation-delay:80ms}
.drawer a:nth-child(4){animation-delay:120ms}
.drawer a:nth-child(5){animation-delay:160ms}
.drawer a.is-active{color:var(--primary);font-weight:700}
.drawer .drawer-cta{
  margin:16px 24px 0;
  height:44px;
  justify-content:center;
  border:0;
  border-radius:var(--radius-btn);
  background:var(--accent);
  color:var(--accent-ink);
  font-weight:700;
  border-bottom:0;
}
@keyframes drawerIn{to{opacity:1}}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  color:#fff;
  background-image:linear-gradient(100deg,rgba(20,23,26,.92) 0%,rgba(20,23,26,.66) 52%,rgba(20,23,26,.22) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  min-height:520px;
  display:flex;
  align-items:center;
  padding:72px 0;
}
.hero-inner{max-width:660px}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--accent);
  margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.hero h1{
  font-size:clamp(30px,4.2vw,50px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.01em;
  margin:0 0 22px;
}
.hero h1 .hl{color:var(--accent)}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
  margin-bottom:32px;
  max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--primary-soft);
  color:var(--primary);
  white-space:nowrap;
}
.badge-light{background:rgba(255,255,255,.14);color:#fff}
.badge-hot{background:var(--hot);color:#fff}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:700;
  line-height:1;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
  border:1.5px solid transparent;
}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(203,242,60,.28)}
.btn-primary:active{transform:translateY(0);background:var(--accent-dark)}
.btn-outline-ink{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline-ink:hover{background:var(--ink);color:#fff}
.btn-outline-light{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-ghost{background:var(--primary-soft);color:var(--primary)}
.btn-ghost:hover{background:#D2EBE1}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  position:relative;
}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  width:0;height:1.5px;
  background:var(--primary);
  transition:width var(--t);
}
.link-arrow:hover::after{width:100%}
.link-arrow:hover{color:var(--primary-press)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--bg-3)}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--primary);
  margin-bottom:12px;
}
.sec-title{
  font-size:clamp(23px,2.8vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--ink);
}
.sec-desc{
  font-size:15px;
  color:var(--ink-3);
  margin-top:12px;
  max-width:640px;
  line-height:1.8;
}

/* ---------- 卖点编号条列 ---------- */
.points{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:0 48px;
  border-top:1px solid var(--line);
}
.point{
  display:flex;
  gap:20px;
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
.point-num{
  font-size:26px;
  font-weight:800;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  flex:none;
  width:44px;
  -webkit-text-stroke:.5px var(--primary);
}
.point-title{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  margin-bottom:6px;
}
.point-desc{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-3);
}

/* ---------- 亮点图墙 ---------- */
.wall{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  grid-auto-rows:172px;
  gap:16px;
}
.wall-item{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  background:var(--bg-3);
  box-shadow:var(--shadow-1);
}
.wall-item:nth-child(1){grid-column:span 6;grid-row:span 2}
.wall-item:nth-child(2){grid-column:span 3}
.wall-item:nth-child(3){grid-column:span 3}
.wall-item:nth-child(4){grid-column:span 6}
.wall-item img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 420ms cubic-bezier(.2,.7,.3,1);
}
.wall-item:hover img{transform:scale(1.04)}
.wall-item::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(20,23,26,.62) 0%,rgba(20,23,26,0) 52%);
  pointer-events:none;
}
.wall-badge{
  position:absolute;
  left:16px;bottom:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(20,23,26,.62);
  backdrop-filter:blur(6px);
  color:#fff;
  font-size:12px;
  font-weight:600;
}

/* ---------- 分类入口 ---------- */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.cat-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;
  flex-direction:column;
}
.cat-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(11,122,90,.3);
}
.cat-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.cat-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.cat-card:hover .cat-media img{transform:scale(1.05)}
.cat-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.cat-title{font-size:19px;font-weight:600;line-height:1.45}
.cat-text{font-size:14px;line-height:1.75;color:var(--ink-3);flex:1}

/* ---------- 深色 CTA + 表单 ---------- */
.cta-band{
  background:var(--ink);
  color:#fff;
  padding:80px 0;
}
.cta-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:64px;
  align-items:start;
}
.cta-band .eyebrow{color:var(--accent)}
.cta-title{
  font-size:clamp(24px,2.9vw,34px);
  font-weight:700;
  line-height:1.32;
  margin-bottom:16px;
  letter-spacing:-.01em;
}
.cta-title .hl{color:var(--accent)}
.cta-sub{
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  margin-bottom:26px;
}
.cta-list{display:grid;gap:12px}
.cta-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.8);
  line-height:1.7;
}
.cta-list li::before{
  content:"";
  width:8px;height:8px;
  border-radius:2px;
  background:var(--accent);
  flex:none;
  margin-top:9px;
}
.form-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:28px;
}
.form-card label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:10px;
  color:rgba(255,255,255,.9);
}
.form-row{display:flex;gap:12px;flex-wrap:wrap}
.input{
  flex:1 1 160px;
  min-width:0;
  height:48px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);
  color:#fff;
  padding:0 16px;
  font-size:15px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.input::placeholder{color:rgba(255,255,255,.42)}
.input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(203,242,60,.22);
  background:rgba(255,255,255,.1);
}
.input.is-error{border-color:var(--hot);box-shadow:0 0 0 3px rgba(255,106,43,.16)}
.form-note{
  font-size:13px;
  line-height:1.7;
  color:rgba(255,255,255,.5);
  margin-top:14px;
}
.form-msg{
  display:none;
  font-size:13px;
  line-height:1.7;
  margin-top:12px;
  border-radius:8px;
  padding:10px 12px;
}
.form-msg.is-error{display:block;color:#FFB694;border:1px solid rgba(255,106,43,.5)}
.form-msg.is-success{
  display:block;
  background:var(--primary-soft);
  color:var(--primary-press);
  border:1px solid rgba(11,122,90,.28);
  font-weight:600;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq{border-top:1px solid var(--line);margin-top:32px}
.faq-item{
  border-bottom:1px solid var(--line);
  transition:background var(--t);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 20px 22px 0;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";
  width:14px;height:14px;
  flex:none;
  border-right:2px solid var(--ink-3);
  border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);
  transition:transform var(--t),border-color var(--t);
  margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--primary);margin-top:4px}
.faq-item[open]{background:var(--bg-3)}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--accent);padding-left:20px}
.faq-item summary:hover{color:var(--primary)}
.faq-answer{
  padding:0 20px 24px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
}

/* ---------- 最新动态 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(11,122,90,.3);
}
.news-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-3);
  display:block;
}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.news-card:hover .news-media img{transform:scale(1.05)}
.news-media .badge{
  position:absolute;
  left:14px;top:14px;
  background:rgba(255,255,255,.94);
  color:var(--primary);
}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card:hover .news-title{color:var(--primary)}
.news-excerpt{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--ink-3);
  margin-top:auto;
  padding-top:8px;
  border-top:1px dashed var(--line);
  font-variant-numeric:tabular-nums;
}
.empty-state{
  grid-column:1/-1;
  background:var(--bg-3);
  border-radius:var(--radius);
  padding:64px 24px;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
.empty-state svg{width:38px;height:38px;stroke:var(--ink-3);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:15px;color:var(--ink-3);line-height:1.8}

/* ---------- 价值说明条 ---------- */
.trust{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.trust-item{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px;
  box-shadow:var(--shadow-1);
}
.trust-num{
  font-size:30px;
  font-weight:800;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  margin-bottom:8px;
}
.trust-num span{font-size:14px;font-weight:600;color:var(--ink-3);margin-left:4px}
.trust-text{font-size:14px;line-height:1.75;color:var(--ink-3)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#fff;
  padding:72px 0 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:48px;
}
.foot-brand .logo{color:#fff;margin-bottom:16px}
.foot-brand .logo:hover{color:var(--accent)}
.foot-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
  max-width:320px;
}
.foot-col h4{
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:rgba(255,255,255,.92);
  margin-bottom:16px;
}
.foot-col ul{display:grid;gap:10px}
.foot-col a,.foot-col li{
  font-size:14px;
  color:rgba(255,255,255,.66);
  line-height:1.7;
}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 20px}
  .nav-list{gap:20px}
  .cta-grid{gap:40px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .cta-band{padding:64px 0}
  .nav-list,.nav-header-cta{display:none}
  .nav-toggle{display:grid}
  .nav-inner{height:64px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .points{gap:0 32px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .trust{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section--tight{padding:48px 0}
  .countdown{min-height:44px}
  .countdown .container{min-height:44px;gap:12px}
  .cd-suffix{display:none}
  .cd-num{font-size:16px;min-width:22px}
  .cd-unit{padding:3px 8px}
  .cd-link{display:none}
  .cd-label{font-size:12px}
  .hero{min-height:0;padding:56px 0}
  .hero-badges{gap:8px}
  .badge{font-size:11px;padding:0 10px}
  .points{grid-template-columns:1fr}
  .point{padding:22px 0}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;gap:12px}
  .wall-item:nth-child(1),
  .wall-item:nth-child(2),
  .wall-item:nth-child(3),
  .wall-item:nth-child(4){grid-column:span 1;grid-row:span 1}
  .wall-item:nth-child(1){grid-column:span 2}
  .cat-grid,.news-grid{grid-template-columns:1fr}
  .trust{grid-template-columns:1fr}
  .cat-body,.news-body{padding:16px}
  .form-card{padding:20px}
  .form-row .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .foot-bottom{flex-direction:column;gap:8px}
  .hero-actions .btn{width:100%}
  .faq-item summary{font-size:16px;padding-right:12px}
}
@media (max-width:479px){
  .hero-sub{font-size:15px}
  .sec-title{font-size:22px}
}

/* roulang page: category1 */
:root{
    --ink:#14171A;
    --ink-2:#3A4046;
    --ink-3:#767E85;
    --line:#E3E6DF;
    --bg:#F6F7F2;
    --bg-2:#FFFFFF;
    --bg-3:#EDF0E6;
    --primary:#0B7A5A;
    --primary-press:#07543F;
    --primary-soft:#E3F3EC;
    --accent:#CBF23C;
    --accent-press:#B9DE2E;
    --accent-ink:#1A2200;
    --hot:#FF6A2B;
    --radius-card:16px;
    --radius-btn:10px;
    --shadow-1:0 1px 2px rgba(20,23,26,.05), 0 4px 12px rgba(20,23,26,.05);
    --shadow-2:0 10px 28px rgba(20,23,26,.12);
    --ease:cubic-bezier(.2,.7,.3,1);
    --t:180ms var(--ease);
    --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
    --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,figure,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  img{max-width:100%;display:block;border:0;}
  a{color:var(--primary);text-decoration:none;transition:color var(--t);}
  a:hover{color:var(--ink);}
  button{font-family:inherit;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 24px;
  }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(246,247,242,.92);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:var(--sp-5);
    height:72px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:20px;
    font-weight:800;
    letter-spacing:.2px;
    color:var(--ink);
    white-space:nowrap;
  }
  .logo:hover{color:var(--ink);}
  .logo-mark{
    width:32px;
    height:32px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:10px;
    background:var(--primary);
    flex:0 0 auto;
  }
  .logo-mark svg{
    width:20px;
    height:20px;
    fill:none;
    stroke:var(--accent);
    stroke-width:2;
    stroke-linecap:round;
    stroke-linejoin:round;
  }
  .nav-wrap{
    display:flex;
    align-items:center;
    gap:var(--sp-5);
  }
  .nav-list{
    display:flex;
    align-items:center;
    gap:28px;
  }
  .nav-link{
    position:relative;
    display:inline-block;
    padding:6px 0;
    font-size:15px;
    font-weight:500;
    color:var(--ink-2);
    transition:color var(--t);
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:100%;
    height:3px;
    border-radius:2px;
    background:var(--accent);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform var(--t);
  }
  .nav-link:hover{color:var(--primary);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--ink);font-weight:700;}
  .nav-link.is-active::after{transform:scaleX(1);}
  .nav-cta{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:40px;
    padding:0 20px;
    border-radius:var(--radius-btn);
    background:var(--accent);
    color:var(--accent-ink);
    font-size:14px;
    font-weight:700;
    transition:background var(--t), transform var(--t);
  }
  .nav-cta:hover{background:var(--accent-press);color:var(--accent-ink);transform:translateY(-1px);}
  .nav-toggle{
    display:none;
    width:44px;
    height:44px;
    align-items:center;
    justify-content:center;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    background:var(--bg-2);
    cursor:pointer;
    padding:0;
  }
  .nav-toggle span{
    display:block;
    width:20px;
    height:2px;
    border-radius:2px;
    background:var(--ink);
    position:relative;
    transition:background var(--t);
  }
  .nav-toggle span::before,
  .nav-toggle span::after{
    content:"";
    position:absolute;
    left:0;
    width:20px;
    height:2px;
    border-radius:2px;
    background:var(--ink);
    transition:transform var(--t);
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-toggle[aria-expanded="true"] span{background:transparent;}
  .nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}
  .nav-drawer{
    display:none;
    border-top:1px solid var(--line);
    background:var(--bg-2);
    padding:12px 0 20px;
  }
  .nav-drawer.is-open{display:block;}
  .nav-drawer .nav-link{
    display:flex;
    align-items:center;
    height:48px;
    padding:0 4px;
    border-bottom:1px solid var(--line);
    font-size:16px;
  }
  .nav-drawer .nav-link::after{display:none;}
  .nav-drawer .nav-cta{
    width:100%;
    height:48px;
    margin-top:16px;
    font-size:15px;
  }

  /* ---------- 面包屑 ---------- */
  .breadcrumb-bar{
    background:var(--bg);
    border-bottom:1px solid var(--line);
  }
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    padding:14px 0;
    font-size:13px;
    color:var(--ink-3);
  }
  .breadcrumb a{color:var(--ink-3);}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:#BFC5BB;}
  .breadcrumb .current{color:var(--ink-2);font-weight:600;}

  /* ---------- 页面页头 ---------- */
  .page-hero{
    background:var(--bg-3);
    padding:64px 0;
    border-bottom:1px solid var(--line);
  }
  .page-hero-inner{
    display:grid;
    grid-template-columns:1.35fr .65fr;
    gap:var(--sp-7);
    align-items:center;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    height:26px;
    padding:0 12px;
    border-radius:999px;
    background:var(--primary-soft);
    color:var(--primary);
    font-size:12px;
    font-weight:600;
    letter-spacing:.4px;
    margin-bottom:var(--sp-4);
  }
  .page-hero h1{
    font-size:clamp(30px,4.2vw,50px);
    line-height:1.16;
    font-weight:800;
    letter-spacing:-.5px;
    margin-bottom:var(--sp-4);
  }
  .page-hero h1 em{
    font-style:normal;
    color:var(--primary);
    background:linear-gradient(transparent 62%, rgba(203,242,60,.55) 62%);
    padding:0 2px;
  }
  .page-hero p{
    max-width:600px;
    font-size:16px;
    line-height:1.85;
    color:var(--ink-2);
    margin-bottom:var(--sp-5);
  }
  .page-hero p + p{margin-top:-8px;}
  .hero-badges{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }
  .badge{
    display:inline-flex;
    align-items:center;
    height:26px;
    padding:0 12px;
    border-radius:999px;
    font-size:12px;
    font-weight:600;
    background:var(--primary-soft);
    color:var(--primary);
  }
  .badge-outline{
    background:transparent;
    border:1px solid #C9CFC1;
    color:var(--ink-2);
  }
  .page-hero-figure{
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    aspect-ratio:4/3;
    background:var(--bg-2);
  }
  .page-hero-figure img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform 400ms var(--ease);
  }
  .page-hero-figure:hover img{transform:scale(1.04);}

  /* ---------- 通用板块 ---------- */
  .section{padding:88px 0;}
  .section.is-tight{padding:64px 0;}
  .section-alt{background:var(--bg-3);}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:var(--sp-5);
    margin-bottom:var(--sp-7);
  }
  .section-title{
    font-size:clamp(23px,2.8vw,32px);
    line-height:1.3;
    font-weight:700;
    letter-spacing:-.3px;
  }
  .section-sub{
    margin-top:10px;
    font-size:15px;
    color:var(--ink-3);
    max-width:640px;
  }
  .link-more{
    flex:0 0 auto;
    position:relative;
    font-size:14px;
    font-weight:600;
    color:var(--primary);
    white-space:nowrap;
  }
  .link-more::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-4px;
    width:100%;
    height:1.5px;
    background:currentColor;
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform var(--t);
  }
  .link-more:hover::after{transform:scaleX(1);}
  .link-more:hover{color:var(--ink);}

  /* ---------- 图文交错区 ---------- */
  .split-list{
    display:flex;
    flex-direction:column;
    gap:var(--sp-8);
  }
  .split-row{
    display:grid;
    grid-template-columns:1.05fr 1fr;
    gap:var(--sp-7);
    align-items:center;
  }
  .split-row.is-reverse .split-media{order:2;}
  .split-media{
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    aspect-ratio:4/3;
    background:var(--bg-3);
  }
  .split-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform 420ms var(--ease);
  }
  .split-media:hover img{transform:scale(1.04);}
  .split-body h2{
    font-size:clamp(22px,2.4vw,28px);
    line-height:1.32;
    font-weight:700;
    margin-bottom:var(--sp-4);
    letter-spacing:-.2px;
  }
  .split-body p{
    font-size:16px;
    color:var(--ink-2);
    margin-bottom:1.2em;
  }
  .split-body p:last-of-type{margin-bottom:var(--sp-5);}
  .point-list{
    display:flex;
    flex-direction:column;
    gap:10px;
    margin-bottom:var(--sp-5);
  }
  .point-list li{
    position:relative;
    padding-left:22px;
    font-size:15px;
    line-height:1.7;
    color:var(--ink-2);
  }
  .point-list li::before{
    content:"";
    position:absolute;
    left:0;
    top:9px;
    width:8px;
    height:8px;
    border-radius:2px;
    background:var(--accent);
  }
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:48px;
    padding:0 26px;
    border-radius:var(--radius-btn);
    border:1.5px solid transparent;
    font-size:15px;
    font-weight:700;
    cursor:pointer;
    transition:background var(--t), color var(--t), border-color var(--t), transform var(--t), box-shadow var(--t);
  }
  .btn-primary{
    background:var(--accent);
    color:var(--accent-ink);
    border-color:var(--accent);
  }
  .btn-primary:hover{background:var(--accent-press);border-color:var(--accent-press);color:var(--accent-ink);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);background:var(--accent);}
  .btn-ghost{
    background:transparent;
    color:var(--ink);
    border-color:var(--ink);
  }
  .btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-light{
    background:transparent;
    color:#fff;
    border-color:rgba(255,255,255,.55);
  }
  .btn-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-1px);}
  .btn-sm{height:40px;padding:0 20px;font-size:14px;}
  .btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

  /* ---------- 横向条目列表 ---------- */
  .mini-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:var(--sp-5);
  }
  .mini-item{
    display:grid;
    grid-template-columns:132px minmax(0,1fr);
    gap:var(--sp-4);
    padding:16px;
    background:var(--bg-2);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    transition:transform var(--t), box-shadow var(--t), border-color var(--t);
  }
  .mini-item:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-2);
    border-color:rgba(11,122,90,.3);
  }
  .mini-thumb{
    border-radius:12px;
    overflow:hidden;
    aspect-ratio:4/3;
    background:var(--bg-3);
  }
  .mini-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform 400ms var(--ease);
  }
  .mini-item:hover .mini-thumb img{transform:scale(1.05);}
  .mini-body h3{
    font-size:17px;
    line-height:1.45;
    font-weight:600;
    margin-bottom:6px;
  }
  .mini-body p{
    font-size:14px;
    line-height:1.7;
    color:var(--ink-3);
    margin-bottom:10px;
  }
  .mini-body .link-more{font-size:13px;}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto;}
  .faq-head{text-align:center;margin-bottom:var(--sp-6);}
  .faq-head .section-title{display:block;}
  .faq-head p{
    margin-top:12px;
    font-size:15px;
    color:var(--ink-3);
  }
  .faq-list{
    border-top:1px solid var(--line);
  }
  .faq-item{
    border-bottom:1px solid var(--line);
    transition:background var(--t);
  }
  .faq-item summary{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:var(--sp-4);
    padding:20px 16px 20px 20px;
    font-size:17px;
    font-weight:600;
    color:var(--ink);
    cursor:pointer;
    list-style:none;
    border-radius:10px;
    transition:color var(--t), background var(--t);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";
    flex:0 0 auto;
    width:28px;
    height:28px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:999px;
    background:var(--bg-3);
    color:var(--ink-2);
    font-size:18px;
    font-weight:600;
    line-height:1;
    transition:transform var(--t), background var(--t), color var(--t);
  }
  .faq-item[open] summary::after{
    content:"−";
    background:var(--accent);
    color:var(--accent-ink);
    transform:rotate(180deg);
  }
  .faq-item[open]{background:var(--bg-3);border-radius:10px;}
  .faq-item[open] summary::before{
    content:"";
    position:absolute;
    left:0;
    top:14px;
    bottom:14px;
    width:3px;
    border-radius:2px;
    background:var(--accent);
  }
  .faq-answer{
    padding:0 20px 22px 20px;
    font-size:16px;
    line-height:1.85;
    color:var(--ink-2);
  }

  /* ---------- 深色 CTA 条 ---------- */
  .cta-band{
    background:var(--ink);
    color:#fff;
    padding:64px 0;
  }
  .cta-inner{
    display:grid;
    grid-template-columns:1.4fr .6fr;
    gap:var(--sp-6);
    align-items:center;
  }
  .cta-inner h2{
    font-size:clamp(22px,2.6vw,30px);
    line-height:1.3;
    font-weight:700;
    margin-bottom:var(--sp-3);
    color:#fff;
  }
  .cta-inner p{
    font-size:15px;
    line-height:1.8;
    color:rgba(255,255,255,.66);
    max-width:640px;
  }
  .cta-actions{
    display:flex;
    gap:12px;
    justify-content:flex-end;
    flex-wrap:wrap;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink);
    color:#fff;
    padding:64px 0 0;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .foot-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:32px;
    padding-bottom:48px;
  }
  .site-footer .logo{color:#fff;font-size:20px;}
  .site-footer .logo:hover{color:var(--accent);}
  .foot-desc{
    margin-top:16px;
    font-size:14px;
    line-height:1.8;
    color:rgba(255,255,255,.66);
    max-width:340px;
  }
  .foot-col h4{
    font-size:15px;
    font-weight:700;
    color:#fff;
    margin-bottom:16px;
  }
  .foot-col ul{
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .foot-col li{
    font-size:14px;
    line-height:1.7;
    color:rgba(255,255,255,.66);
  }
  .foot-col a{
    color:rgba(255,255,255,.66);
    transition:color var(--t);
  }
  .foot-col a:hover{color:var(--accent);}
  .foot-bottom{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:16px;
    flex-wrap:wrap;
    padding:20px 0 28px;
    border-top:1px solid rgba(255,255,255,.12);
    font-size:13px;
    color:rgba(255,255,255,.5);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .container{padding:0 20px;}
    .nav-list{gap:20px;}
    .section{padding:72px 0;}
  }
  @media (max-width:1023px){
    .nav-list{gap:16px;}
    .nav-link{font-size:14px;}
    .nav-cta{padding:0 16px;font-size:13px;}
    .page-hero{padding:56px 0;}
    .page-hero-inner{grid-template-columns:1fr;gap:var(--sp-6);}
    .page-hero-figure{max-width:560px;width:100%;}
    .split-row{grid-template-columns:1fr;gap:var(--sp-5);}
    .split-row.is-reverse .split-media{order:0;}
    .split-list{gap:var(--sp-7);}
    .cta-inner{grid-template-columns:1fr;}
    .cta-actions{justify-content:flex-start;}
    .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:767px){
    .header-inner{height:64px;}
    .nav-wrap{display:none;}
    .nav-toggle{display:inline-flex;}
    .section{padding:56px 0;}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:var(--sp-6);}
    .mini-grid{grid-template-columns:1fr;}
    .mini-item{grid-template-columns:104px minmax(0,1fr);padding:14px;}
    .cta-band{padding:48px 0;}
    .foot-grid{grid-template-columns:1fr;gap:32px;}
    .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
    .btn{width:100%;}
    .btn-sm{width:auto;}
    .cta-actions .btn{width:100%;}
    .faq-item summary{font-size:16px;padding:18px 12px 18px 16px;}
  }
  @media (max-width:519px){
    .container{padding:0 16px;}
    .page-hero{padding:40px 0;}
    .page-hero h1{font-size:clamp(26px,7vw,32px);}
    .split-body h2{font-size:21px;}
    .mini-item{grid-template-columns:1fr;}
    .mini-thumb{aspect-ratio:16/9;}
    .mini-body h3{font-size:16px;}
    .page-hero-figure{border-radius:12px;}
  }

/* roulang page: article */
:root{
  --ink:#14171A;
  --ink-2:#3A4046;
  --ink-3:#767E85;
  --line:#E3E6DF;
  --bg:#F6F7F2;
  --bg-2:#FFFFFF;
  --bg-3:#EDF0E6;
  --primary:#0B7A5A;
  --primary-press:#07543F;
  --primary-soft:#E3F3EC;
  --accent:#CBF23C;
  --accent-hover:#B9DE2E;
  --accent-ink:#1A2200;
  --hot:#FF6A2B;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(20,23,26,.05),0 4px 12px rgba(20,23,26,.05);
  --shadow-md:0 10px 28px rgba(20,23,26,.12);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-md);
  font-size:15px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),opacity var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--accent);color:var(--accent-ink);border:1.5px solid transparent;}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);background:var(--accent-hover);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-ghost:active{background:var(--ink);color:#fff;transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.text-link span.underline{
  display:inline-block;
  background-image:linear-gradient(var(--primary),var(--primary));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 1.5px;
  transition:background-size var(--ease);
  padding-bottom:2px;
}
.text-link:hover span.underline{background-size:100% 1.5px;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
}
.badge-soft{background:var(--primary-soft);color:var(--primary);}
.badge-dark{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,247,242,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.3px;
  color:var(--ink);
  flex:none;
  transition:color var(--ease);
}
.logo:hover{color:var(--primary);}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--ink);
  display:grid;
  place-items:center;
  flex:none;
  transition:background var(--ease);
}
.logo-mark svg{
  width:20px;
  height:20px;
  fill:none;
  stroke:var(--accent);
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.logo:hover .logo-mark{background:var(--primary);}

.nav-list{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 0;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  transition:color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  height:3px;
  width:0;
  background:var(--accent);
  border-radius:2px;
  transition:width var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{width:100%;}
.drawer-cta{display:none;}

.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--bg-2);
  position:relative;
  flex:none;
}
.nav-toggle span{
  position:absolute;
  left:11px;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform var(--ease),opacity var(--ease),top var(--ease);
}
.nav-toggle span:nth-child(1){top:14px;}
.nav-toggle span:nth-child(2){top:20px;}
.nav-toggle span:nth-child(3){top:26px;}
.nav-toggle.is-open span:nth-child(1){top:20px;transform:rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){top:20px;transform:rotate(-45deg);}

/* ---------- 页头色带与面包屑 ---------- */
.page-top{
  position:relative;
  background-image:
    linear-gradient(100deg,rgba(20,23,26,.94) 0%,rgba(20,23,26,.66) 55%,rgba(11,122,90,.58) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:nowrap;
  overflow:hidden;
  padding:30px 0 62px;
  font-size:13px;
  color:rgba(255,255,255,.7);
  line-height:1.6;
}
.breadcrumb a{
  color:rgba(255,255,255,.7);
  transition:color var(--ease);
  flex:none;
}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:rgba(255,255,255,.36);flex:none;}
.breadcrumb .current{
  color:#fff;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  min-width:0;
}

/* ---------- 文章主体 ---------- */
.article-shell{
  position:relative;
  z-index:2;
  max-width:920px;
  margin:-40px auto 0;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:52px 56px 56px;
}
.article-head h1{
  margin-top:16px;
  font-size:clamp(28px,3.6vw,40px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.5px;
  color:var(--ink);
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:26px;
  padding-bottom:26px;
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--line);
  display:inline-block;
}
.article-body{
  padding-top:34px;
  max-width:800px;
  margin:0 auto;
  font-size:17px;
  line-height:1.9;
  color:var(--ink-2);
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body p{margin-bottom:1.35em;}
.article-body h2{
  position:relative;
  margin:64px 0 20px;
  padding-left:18px;
  font-size:clamp(23px,2.8vw,30px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.3px;
  color:var(--ink);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.24em;
  width:4px;
  height:1em;
  border-radius:2px;
  background:var(--accent);
}
.article-body h3{
  margin:36px 0 14px;
  font-size:19px;
  font-weight:600;
  line-height:1.45;
  color:var(--ink);
}
.article-body ul{margin-bottom:1.35em;list-style:none;}
.article-body ul li{
  position:relative;
  padding-left:22px;
  margin-bottom:.6em;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.68em;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--accent);
}
.article-body ol{margin-bottom:1.35em;padding-left:24px;}
.article-body ol li{margin-bottom:.6em;}
.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body blockquote{
  margin:32px 0;
  padding:22px 26px;
  background:var(--primary-soft);
  border-left:4px solid var(--accent);
  border-radius:0 12px 12px 0;
  font-size:18px;
  font-style:italic;
  font-weight:400;
  line-height:1.85;
  color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
  transition:color var(--ease);
}
.article-body a:hover{color:var(--ink);}
.article-body img{
  width:100%;
  border-radius:12px;
  margin:28px 0 12px;
}
.article-body figure{margin:28px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--ink-3);
  text-align:center;
  line-height:1.7;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  font-variant-numeric:tabular-nums;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:11px 14px;
  text-align:left;
  vertical-align:top;
}
.article-body th{background:var(--bg-3);font-weight:600;color:var(--ink);}
.article-body .table-wrap{overflow-x:auto;margin:26px 0;}
.article-body pre{
  overflow-x:auto;
  margin:26px 0;
  padding:20px 22px;
  border-radius:12px;
  background:var(--ink);
  color:#F2F4EE;
  font-size:14px;
  line-height:1.75;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;
  background:var(--bg-3);
  padding:2px 6px;
  border-radius:6px;
}
.article-body pre code{background:none;padding:0;color:inherit;font-size:inherit;}
.article-body hr{
  border:0;
  border-top:1px solid var(--line);
  margin:44px 0;
}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  padding:64px 24px;
  background:var(--bg-3);
  border-radius:var(--radius-lg);
}
.empty-state .empty-icon{
  width:56px;
  height:56px;
  border-radius:50%;
  background:var(--bg-2);
  border:1px solid var(--line);
  display:grid;
  place-items:center;
  margin-bottom:18px;
}
.empty-state .empty-icon svg{
  width:26px;
  height:26px;
  fill:none;
  stroke:var(--primary);
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.empty-state h2{
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:10px;
}
.empty-state p{
  font-size:14px;
  color:var(--ink-3);
  max-width:420px;
  line-height:1.8;
  margin-bottom:22px;
}

/* ---------- 文末返回 ---------- */
.back-row{
  max-width:800px;
  margin:38px auto 0;
  padding-top:26px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  transition:color var(--ease);
}
.back-link svg{
  width:16px;
  height:16px;
  fill:none;
  stroke:currentColor;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
  transition:transform var(--ease);
}
.back-link:hover{color:var(--primary);}
.back-link:hover svg{transform:translateX(-3px);}

/* ---------- 延伸阅读 ---------- */
.related{padding:76px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(23px,2.8vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.3px;
  color:var(--ink);
}
.section-head p{
  margin-top:8px;
  font-size:14px;
  color:var(--ink-3);
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.rel-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(11,122,90,.3);
}
.rel-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-3);
}
.rel-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform var(--ease);
}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.rel-body h3{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-3);
}
.rel-foot{
  margin-top:auto;
  padding-top:6px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.rel-foot .arrow{
  color:var(--primary);
  font-weight:700;
  transition:transform var(--ease);
}
.rel-card:hover .rel-foot .arrow{transform:translateX(4px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#fff;
  padding:72px 0 0;
  margin-top:88px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:48px;
}
.foot-brand .logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  color:#fff;
  letter-spacing:-.3px;
}
.foot-brand .logo:hover{color:var(--accent);}
.foot-brand .logo-mark{background:rgba(255,255,255,.1);}
.foot-brand .logo:hover .logo-mark{background:var(--primary);}
.foot-desc{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.66);
  max-width:330px;
}
.foot-col h4{
  margin-bottom:16px;
  font-size:15px;
  font-weight:700;
  color:#fff;
  letter-spacing:.2px;
}
.foot-col ul{
  list-style:none;
  display:grid;
  gap:10px;
}
.foot-col li{
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.66);
}
.foot-col a{
  color:rgba(255,255,255,.66);
  transition:color var(--ease);
}
.foot-col a:hover{color:var(--accent);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
  font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 20px;}
  .header-inner{padding:0 20px;}
  .nav-list{gap:22px;}
}

@media (max-width:1023px){
  .header-inner{height:64px;}
  .nav-toggle{display:block;}
  .header-cta{display:none;}
  .nav-list{
    position:fixed;
    top:64px;
    left:0;
    right:0;
    margin-left:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:12px 20px 20px;
    background:var(--bg-2);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    opacity:0;
    visibility:hidden;
    transform:translateY(-12px);
    pointer-events:none;
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
    max-height:calc(100vh - 64px);
    overflow-y:auto;
  }
  .nav-list.is-open{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
    pointer-events:auto;
  }
  .nav-link{
    height:48px;
    display:flex;
    align-items:center;
    padding:0;
    border-bottom:1px solid var(--line);
    font-size:15px;
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--primary);}
  .drawer-cta{display:flex;margin-top:18px;width:100%;}
  .article-shell{padding:40px 32px 44px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px 24px;}
  .site-footer{margin-top:64px;padding-top:56px;}
}

@media (max-width:767px){
  .article-shell{
    padding:30px 20px 34px;
    border-radius:14px;
    margin-top:-32px;
  }
  .breadcrumb{padding:22px 0 52px;}
  .article-head h1{margin-top:14px;}
  .article-meta{margin-top:20px;padding-bottom:20px;gap:10px;}
  .article-body{padding-top:26px;font-size:16px;line-height:1.9;}
  .article-body h2{margin-top:44px;}
  .article-body blockquote{padding:18px 20px;font-size:16px;}
  .related{padding-top:52px;}
  .related-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .back-row{flex-direction:column;align-items:flex-start;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

@media (max-width:519px){
  .container{padding:0 16px;}
  .header-inner{padding:0 16px;}
  .logo{font-size:17px;gap:8px;}
  .logo-mark{width:30px;height:30px;border-radius:9px;}
  .logo-mark svg{width:18px;height:18px;}
  .foot-grid{grid-template-columns:1fr;}
  .empty-state{padding:48px 18px;}
  .btn{width:100%;}
  .back-row .btn-ghost{width:auto;}
}

/* roulang page: category3 */
:root{
    --ink:#14171A;
    --ink-2:#3A4046;
    --ink-3:#767E85;
    --line:#E3E6DF;
    --bg:#F6F7F2;
    --bg-2:#FFFFFF;
    --bg-3:#EDF0E6;
    --primary:#0B7A5A;
    --primary-press:#07543F;
    --primary-soft:#E3F3EC;
    --accent:#CBF23C;
    --accent-dark:#B9DE2E;
    --accent-ink:#1A2200;
    --hot:#FF6A2B;
    --radius:16px;
    --radius-sm:10px;
    --shadow-1:0 1px 2px rgba(20,23,26,.05), 0 4px 12px rgba(20,23,26,.05);
    --shadow-2:0 10px 28px rgba(20,23,26,.12);
    --ease:cubic-bezier(.2,.7,.3,1);
    --w:1200px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{list-style:none;padding:0}
  a{color:var(--primary);text-decoration:none;transition:color .18s var(--ease)}
  a:hover{color:var(--primary-press)}
  button{font-family:inherit}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

  .container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,247,242,.92);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex;align-items:center;gap:28px;height:72px}
  .logo{
    display:inline-flex;align-items:center;gap:10px;
    font-size:20px;font-weight:800;letter-spacing:-.3px;
    color:var(--ink);text-decoration:none;white-space:nowrap;
  }
  .logo:hover{color:var(--ink)}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;background:var(--ink);
    display:inline-grid;place-items:center;flex:none;
  }
  .logo-mark svg{width:20px;height:20px;fill:none;stroke:var(--accent);stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round}
  .nav-list{margin-left:auto;display:flex;align-items:center;gap:28px}
  .nav-link{
    position:relative;display:inline-block;padding:6px 0;
    font-size:15px;font-weight:500;color:var(--ink-2);
  }
  .nav-link:hover{color:var(--primary)}
  .nav-link.is-active{color:var(--ink);font-weight:700}
  .nav-link.is-active::after{
    content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;
    border-radius:2px;background:var(--accent);
  }
  .nav-cta{flex:none}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:10px;
    border:1px solid var(--line);background:var(--bg-2);
    align-items:center;justify-content:center;cursor:pointer;padding:0;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background .18s var(--ease)}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;
    background:var(--ink);border-radius:2px;transition:transform .18s var(--ease),top .18s var(--ease);
  }
  .nav-toggle span::before{top:-6px}
  .nav-toggle span::after{top:6px}
  .nav-toggle.is-open span{background:transparent}
  .nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
  .nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}
  .mobile-nav{
    display:none;position:fixed;left:0;right:0;top:72px;z-index:55;
    background:var(--bg-2);border-bottom:1px solid var(--line);
    padding:12px 24px 24px;box-shadow:var(--shadow-2);
  }
  .mobile-nav.is-open{display:block;animation:fadeDown .2s var(--ease) both}
  @keyframes fadeDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
  .mobile-nav a{
    display:flex;align-items:center;height:48px;font-size:15px;
    color:var(--ink-2);border-bottom:1px solid var(--line);
  }
  .mobile-nav a.is-active{color:var(--primary);font-weight:700}
  .mobile-nav .btn{width:100%;margin-top:18px}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 26px;border-radius:var(--radius-sm);
    font-size:15px;font-weight:700;border:1.5px solid transparent;
    cursor:pointer;white-space:nowrap;text-decoration:none;
    transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
  }
  .btn-primary{background:var(--accent);color:var(--accent-ink)}
  .btn-primary:hover{background:var(--accent-dark);color:var(--accent-ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}
  .btn-primary:active{transform:translateY(0);background:var(--accent-dark)}
  .btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
  .btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
  .btn-outline:active{transform:translateY(0)}
  .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
  .btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-1px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-sm{height:40px;padding:0 20px;font-size:14px}
  .btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

  /* ---------- 页头 ---------- */
  .page-head{
    background:var(--bg-3);
    border-bottom:1px solid var(--line);
    padding:56px 0 64px;
  }
  .page-head-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
  .crumbs a{color:var(--ink-3)}
  .crumbs a:hover{color:var(--primary)}
  .crumbs .sep{color:#B4BBB2}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;margin-top:20px;
    padding:0 14px;height:26px;border-radius:999px;
    background:var(--primary-soft);color:var(--primary);
    font-size:12px;font-weight:600;letter-spacing:.2px;
  }
  .page-head h1{
    font-size:clamp(30px,4.2vw,46px);line-height:1.16;font-weight:800;
    letter-spacing:-.6px;margin:18px 0 20px;
  }
  .page-head h1 em{font-style:normal;color:var(--primary)}
  .page-head p{max-width:560px;color:var(--ink-2);font-size:16px}
  .head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .tag{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;
    border-radius:999px;background:var(--bg-2);border:1px solid var(--line);
    font-size:12px;font-weight:600;color:var(--ink-2);
  }
  .page-head-art{position:relative}
  .page-head-art img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:var(--radius);box-shadow:var(--shadow-2);
    overflow:hidden;
  }

  /* ---------- 通用板块 ---------- */
  .section{padding:88px 0}
  .section-tight{padding:0 0 88px}
  .section-head{max-width:760px;margin-bottom:40px}
  .section-head h2{font-size:clamp(23px,2.8vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.4px}
  .section-head p{margin-top:14px;color:var(--ink-3);font-size:15px}

  /* ---------- 双栏正文 ---------- */
  .rules-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px;align-items:start}
  .rule-block{scroll-margin-top:100px}
  .rule-block + .rule-block{margin-top:52px;padding-top:52px;border-top:1px solid var(--line)}
  .rule-block h2{
    position:relative;padding-left:18px;
    font-size:clamp(23px,2.8vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.4px;
    margin-bottom:20px;
  }
  .rule-block h2::before{
    content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
    border-radius:2px;background:var(--accent);
  }
  .rule-block h3{font-size:19px;font-weight:600;line-height:1.45;margin:32px 0 12px;color:var(--ink)}
  .rule-block p{color:var(--ink-2);font-size:16px;line-height:1.85;margin-bottom:1.2em}
  .rule-block p:last-child{margin-bottom:0}
  .rule-block p strong{color:var(--ink);font-weight:700}

  .steps{display:grid;gap:14px;margin:24px 0 8px;counter-reset:step}
  .steps li{
    counter-increment:step;position:relative;
    padding:18px 22px 18px 66px;
    background:var(--bg-2);border:1px solid var(--line);
    border-radius:12px;font-size:15px;color:var(--ink-2);
    box-shadow:var(--shadow-1);
    transition:box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
  }
  .steps li:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:rgba(11,122,90,.28)}
  .steps li::before{
    content:counter(step,decimal-leading-zero);
    position:absolute;left:22px;top:18px;
    font-size:15px;font-weight:800;color:var(--primary);
    font-variant-numeric:tabular-nums;
  }
  .steps li b{display:block;color:var(--ink);font-weight:700;font-size:16px;margin-bottom:2px}

  .bullet{display:grid;gap:10px;margin:20px 0 8px}
  .bullet li{position:relative;padding-left:22px;font-size:15px;color:var(--ink-2);line-height:1.8}
  .bullet li::before{
    content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;
    border-radius:2px;background:var(--accent);
  }
  .bullet li b{color:var(--ink);font-weight:700}

  .note{
    margin-top:24px;padding:18px 22px;border-radius:12px;
    background:var(--primary-soft);border-left:4px solid var(--primary);
    font-size:15px;color:var(--primary-press);line-height:1.8;
  }
  .note b{font-weight:700}

  /* ---------- 侧栏 ---------- */
  .rules-aside{position:sticky;top:96px;display:grid;gap:24px}
  .side-card{
    background:var(--bg-2);border:1px solid var(--line);
    border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1);
  }
  .side-card h3{font-size:16px;font-weight:700;margin-bottom:6px}
  .side-card .side-sub{font-size:13px;color:var(--ink-3);margin-bottom:14px}
  .side-index{display:grid;gap:2px}
  .side-index a{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:10px 12px;border-radius:10px;
    font-size:14px;color:var(--ink-2);
    transition:background-color .18s var(--ease),color .18s var(--ease);
  }
  .side-index a:hover{background:var(--primary-soft);color:var(--primary)}
  .side-index a span{
    font-size:12px;font-weight:700;color:var(--primary);
    font-variant-numeric:tabular-nums;
  }
  .side-cta{background:var(--ink);border-color:var(--ink);color:#fff}
  .side-cta h3{color:#fff}
  .side-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66);margin:10px 0 0}
  .side-cta .hotline{
    display:block;margin:16px 0 4px;
    font-size:22px;font-weight:800;color:var(--accent);
    font-variant-numeric:tabular-nums;letter-spacing:.4px;
  }
  .side-cta .btn{width:100%;margin-top:14px}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto}
  .faq-item{
    border-bottom:1px solid var(--line);
    border-radius:12px;
    transition:background-color .18s var(--ease);
  }
  .faq-item summary{
    position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 16px;cursor:pointer;list-style:none;
    font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
    transition:color .18s var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"+";flex:none;font-size:22px;font-weight:400;line-height:1;
    color:var(--primary);transition:transform .18s var(--ease);
  }
  .faq-item summary:hover{color:var(--primary)}
  .faq-item[open]{background:var(--bg-3)}
  .faq-item[open] summary::before{
    content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
    border-radius:2px;background:var(--accent);
  }
  .faq-item[open] summary::after{content:"–";transform:rotate(180deg)}
  .faq-body{padding:0 16px 22px 34px;font-size:15px;line-height:1.85;color:var(--ink-2)}
  .faq-body a{text-decoration:underline;text-underline-offset:3px}

  /* ---------- 底部 CTA ---------- */
  .cta-bar{
    background:var(--ink);border-radius:20px;
    padding:44px 48px;color:#fff;
    display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
    box-shadow:var(--shadow-2);
  }
  .cta-bar h2{font-size:clamp(22px,2.4vw,28px);font-weight:800;letter-spacing:-.4px;line-height:1.3}
  .cta-bar p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.66);max-width:520px;line-height:1.8}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#fff;padding:64px 0 0;margin-top:88px}
  .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
  .foot-brand .logo{color:#fff;font-size:20px}
  .foot-brand .logo-mark{background:rgba(255,255,255,.1)}
  .foot-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
  .foot-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:#fff}
  .foot-col ul{display:grid;gap:10px}
  .foot-col li{font-size:14px;color:rgba(255,255,255,.66);line-height:1.7}
  .foot-col a{font-size:14px;color:rgba(255,255,255,.66)}
  .foot-col a:hover{color:var(--accent)}
  .foot-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 28px;
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.5);line-height:1.7;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .container{padding:0 20px}
    .rules-layout{gap:36px}
  }
  @media (max-width:1024px){
    .nav-list{display:none}
    .nav-cta{display:none}
    .nav-toggle{display:inline-flex;margin-left:auto}
    .rules-layout{grid-template-columns:1fr}
    .rules-aside{position:static;grid-template-columns:1fr 1fr;align-items:start}
    .page-head-inner{grid-template-columns:1fr;gap:32px}
    .page-head-art{max-width:520px}
    .foot-grid{grid-template-columns:1fr 1fr}
    .section{padding:64px 0}
    .site-footer{margin-top:64px}
  }
  @media (max-width:768px){
    .header-inner{height:64px}
    .mobile-nav{top:64px}
    .page-head{padding:36px 0 48px}
    .page-head p{font-size:15px}
    .section{padding:48px 0}
    .section-tight{padding:0 0 48px}
    .rule-block + .rule-block{margin-top:40px;padding-top:40px}
    .rules-aside{grid-template-columns:1fr}
    .steps li{padding:16px 18px 16px 58px}
    .steps li::before{left:18px;top:16px}
    .faq-item summary{font-size:16px;padding:18px 12px}
    .faq-body{padding:0 12px 18px 24px}
    .cta-bar{padding:28px 22px;flex-direction:column;align-items:flex-start;gap:24px}
    .cta-actions{width:100%}
    .cta-actions .btn{width:100%}
    .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
    .foot-bottom{flex-direction:column;gap:8px;font-size:12px}
  }
  @media (max-width:480px){
    .logo{font-size:17px;gap:8px}
    .logo-mark{width:30px;height:30px;border-radius:9px}
    .page-head h1{letter-spacing:-.3px}
    .side-card{padding:20px}
    .section-head{margin-bottom:28px}
  }

/* roulang page: category2 */
:root{
  --ink:#14171A;
  --ink-2:#3A4046;
  --ink-3:#767E85;
  --line:#E3E6DF;
  --bg:#F6F7F2;
  --bg-2:#FFFFFF;
  --bg-3:#EDF0E6;
  --primary:#0B7A5A;
  --primary-press:#07543F;
  --primary-soft:#E3F3EC;
  --accent:#CBF23C;
  --accent-press:#B9DE2E;
  --accent-ink:#1A2200;
  --hot:#FF6A2B;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(20,23,26,.05),0 4px 12px rgba(20,23,26,.05);
  --shadow-hover:0 10px 28px rgba(20,23,26,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,247,242,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;letter-spacing:-.3px;color:var(--ink);
  transition:color var(--dur) var(--ease);
}
.logo:hover{color:var(--primary)}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--ink);color:var(--accent);
  flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--ink-2);transition:color var(--dur) var(--ease)}
.nav-link:hover{color:var(--primary)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:2px;background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:var(--bg-2);
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--primary)}
.nav-toggle .bars{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle .bars::before,.nav-toggle .bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle .bars::before{top:-6px}
.nav-toggle .bars::after{top:6px}
.mobile-drawer{display:none;background:var(--bg-2);border-top:1px solid var(--line)}
.mobile-drawer.is-open{display:block;animation:drawerIn 200ms var(--ease) both}
@keyframes drawerIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 24px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  border-bottom:1px solid var(--line);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.drawer-link:hover{background:var(--bg-3);color:var(--primary)}
.drawer-link.is-active{color:var(--ink);font-weight:700;box-shadow:inset 3px 0 0 var(--accent)}
.drawer-cta{margin:16px 24px 20px;width:calc(100% - 48px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--accent);color:var(--accent-ink);border:1.5px solid var(--accent)}
.btn-primary:hover{background:var(--accent-press);border-color:var(--accent-press);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-on-dark{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-on-dark:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--primary-soft);color:var(--primary);
}
.badge-dark{background:rgba(255,255,255,.14);color:#fff}
.badge-hot{background:var(--hot);color:#fff}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  padding:64px 0 64px;
  background-color:var(--bg-3);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(237,240,230,.97) 0%,rgba(237,240,230,.94) 46%,rgba(237,240,230,.62) 100%);
}
.page-head .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.crumb li+li::before{content:"/";margin-right:8px;color:#C3C8BC}
.crumb a{transition:color var(--dur) var(--ease)}
.crumb a:hover{color:var(--primary)}
.head-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.page-head h1{
  font-size:clamp(30px,4.2vw,46px);
  font-weight:800;line-height:1.16;letter-spacing:-1px;
}
.page-head h1 .hl{
  color:var(--primary);
  box-shadow:inset 0 -.34em 0 rgba(203,242,60,.65);
}
.head-lead{margin-top:20px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:580px}
.head-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.head-media{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--shadow-hover);background:var(--bg-2);
}
.head-media img{width:100%;height:100%;object-fit:cover}
.head-media .head-tag{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(20,23,26,.72);color:#fff;font-size:12px;font-weight:600;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-3)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-head h2{font-size:clamp(23px,2.8vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.6px}
.section-head p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--ink-3);max-width:620px}
.section-head .head-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary);
  padding-bottom:2px;border-bottom:1.5px solid transparent;transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.section-head .head-link:hover{border-color:var(--primary)}

/* ---------- 筛选标签 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.chip{
  padding:10px 20px;border-radius:999px;
  border:1px solid var(--line);background:var(--bg-2);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.chip:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.chip.is-active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.chip.is-active:hover{color:var(--accent-ink);border-color:var(--accent)}

/* ---------- 赛事卡片 ---------- */
.race-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.race-card{
  display:flex;flex-direction:column;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.race-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(11,122,90,.3)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.race-card:hover .card-media img{transform:scale(1.04)}
.card-flag{
  position:absolute;top:16px;right:16px;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:rgba(20,23,26,.72);color:#fff;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.card-flag.is-hot{background:var(--hot);color:#fff}
.date-badge{
  position:absolute;left:16px;bottom:16px;
  display:flex;align-items:center;gap:10px;
  padding:6px 14px;border-radius:12px;background:rgba(255,255,255,.96);
  box-shadow:var(--shadow);
}
.date-day{font-size:22px;font-weight:800;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.date-meta{display:flex;flex-direction:column;line-height:1.2;font-size:12px;color:var(--ink-3)}
.date-meta em{font-style:normal;font-weight:700;color:var(--primary)}
.date-meta i{font-style:normal;font-variant-numeric:tabular-nums}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-body h3{font-size:19px;font-weight:600;line-height:1.45}
.card-body h3 a{transition:color var(--dur) var(--ease)}
.card-body h3 a:hover{color:var(--primary)}
.card-desc{
  font-size:14px;line-height:1.7;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--bg-3);color:var(--ink-2);
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-meta{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.card-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--primary);
  transition:gap var(--dur) var(--ease),color var(--dur) var(--ease);
}
.card-link:hover{gap:12px;color:var(--primary-press)}

/* ---------- 深色数据带 ---------- */
.band-dark{background:var(--ink);color:#fff;padding:72px 0}
.band-head{max-width:640px;margin-bottom:40px}
.band-head h2{font-size:clamp(23px,2.8vw,32px);color:#fff;letter-spacing:-.6px}
.band-head p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.66)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{padding-left:20px;border-left:1px solid rgba(255,255,255,.14)}
.stat-num{
  display:block;font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.1;
  color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.stat-label{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.66)}

/* ---------- 报名流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-item{padding-left:18px;border-left:3px solid var(--accent)}
.flow-idx{
  display:block;font-size:13px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:1px;
}
.flow-item h3{margin-top:8px;font-size:18px;font-weight:600}
.flow-item p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-intro{text-align:center;margin-bottom:32px}
.faq-intro h2{font-size:clamp(23px,2.8vw,32px);letter-spacing:-.6px}
.faq-intro p{margin-top:14px;font-size:15px;color:var(--ink-3)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 18px;font-size:17px;font-weight:600;line-height:1.5;
  list-style:none;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:22px;font-weight:700;line-height:1;color:var(--primary);
  transition:transform var(--dur) var(--ease);
}
.faq-item[open] summary::after{content:"−"}
.faq-item[open]{
  background:var(--bg-3);
  box-shadow:inset 3px 0 0 var(--accent);
  border-radius:0 12px 12px 0;
}
.faq-item[open] summary{background:transparent}
.faq-answer{padding:0 18px 22px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}
.faq-item[open] .faq-answer{padding-left:18px}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);color:#fff;letter-spacing:-.6px}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.66);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 0;border-top:1px solid rgba(255,255,255,.12)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
.foot-brand .logo{color:#fff;font-size:20px}
.foot-brand .logo:hover{color:var(--accent)}
.foot-brand .logo-mark{background:rgba(255,255,255,.12);color:var(--accent)}
.foot-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px}
.foot-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:#fff}
.foot-col li{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66)}
.foot-col a{transition:color var(--dur) var(--ease)}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.66);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 20px}
  .nav-list{gap:20px}
  .head-grid{gap:36px}
}
@media (max-width:1023px){
  .nav-list{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn{display:none}
  .header-inner{height:64px}
  .logo{font-size:18px}
  .head-grid{grid-template-columns:1fr;gap:32px}
  .head-media{aspect-ratio:16/9}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .foot-grid{grid-template-columns:1.2fr 1fr;gap:32px}
  .section{padding:64px 0}
  .band-dark{padding:56px 0}
}
@media (max-width:767px){
  .page-head{padding:44px 0 48px}
  .race-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .card-body{padding:16px}
  .faq-item summary{font-size:16px;padding:18px 14px}
  .faq-answer{padding:0 14px 20px}
  .cta-band{padding:44px 0}
  .cta-inner{gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:519px){
  .logo{font-size:16px}
  .logo-mark{width:30px;height:30px}
  .head-badges{gap:8px}
  .stat-grid{grid-template-columns:1fr;gap:24px}
  .flow-grid{grid-template-columns:1fr}
  .filter-bar{gap:8px}
  .chip{padding:9px 16px;font-size:13px}
  .foot-grid{grid-template-columns:1fr}
  .date-badge{left:12px;bottom:12px;padding:5px 10px}
  .date-day{font-size:19px}
}