/* roulang page: index */
:root{
  --ink:#0C2A22;
  --ink-2:#123A2E;
  --lime:#C9F24D;
  --orange:#FF6A2B;
  --orange-d:#E85A1E;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --soft:#EEF3EC;
  --text:#1C2320;
  --muted:#5C6A62;
  --line:#E4E7E0;
  --ok:#2FA96B;
  --warn:#E4B33C;
  --dis:#C6CCC7;
  --r-card:14px;
  --r-btn:10px;
  --r-img:18px;
  --sh:0 8px 24px rgba(12,42,34,.08);
  --sh-h:0 14px 32px rgba(12,42,34,.14);
  --mono:"Roboto Mono","DIN Alternate","Menlo",Consolas,monospace;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  font-weight:400;letter-spacing:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ============ 倒计时条 ============ */
.count-bar{
  background:var(--ink);color:#DCE7DF;
  height:42px;display:flex;align-items:center;
  transition:height .25s ease,box-shadow .25s ease;
}
.count-bar.is-stuck{position:sticky;top:0;z-index:70;height:32px;box-shadow:0 6px 18px rgba(12,42,34,.28);}
.count-inner{display:flex;align-items:center;gap:14px;width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;font-size:13px;}
.count-label{color:var(--lime);font-weight:600;letter-spacing:.2px;white-space:nowrap;}
.count-nums{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:14px;font-weight:600;color:#fff;}
.count-nums b{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:32px;padding:2px 6px;border:1px solid var(--lime);border-radius:6px;
  background:rgba(201,242,77,.08);font-weight:600;
}
.count-nums i{font-style:normal;color:var(--lime);animation:blink 1s steps(1,end) infinite;}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:.15}}
.count-link{margin-left:auto;color:#fff;border-bottom:1px solid rgba(201,242,77,.6);font-size:13px;white-space:nowrap;}
.count-link:hover{color:var(--lime);border-color:var(--lime);}

/* ============ 导航 ============ */
.site-header{background:#fff;position:sticky;top:0;z-index:60;transition:box-shadow .2s ease;}
.count-bar.is-stuck + .site-header{top:32px;}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(12,42,34,.08);}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:transparent;transition:background .2s;}
.site-header.is-stuck::after{background:var(--line);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(145deg,var(--ink),var(--ink-2));
  display:grid;place-items:center;color:var(--lime);font-size:15px;
  box-shadow:inset 0 0 0 1px rgba(201,242,77,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text .lt-1{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.logo-text .lt-2{font-size:11px;color:var(--muted);letter-spacing:1px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 12px;font-size:14.5px;color:#2A3730;border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:600;background:var(--soft);}
.main-nav a.active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink);cursor:pointer;
  transition:border-color .18s,color .18s,background .18s;
}
.icon-btn:hover{border-color:var(--lime);color:#0C2A22;background:var(--soft);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .12s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.28);}
.btn-primary:hover{background:var(--orange-d);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--lime);background:var(--soft);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-1px);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;
  font-size:14.5px;border-bottom:1px solid var(--line);padding-bottom:2px;
}
.btn-link i{transition:transform .2s ease;}
.btn-link:hover{border-color:var(--lime);}
.btn-link:hover i{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{background:var(--dis);color:#7C857F;cursor:not-allowed;box-shadow:none;transform:none;}
.nav-pill{background:var(--ink);color:#fff;border-radius:999px;padding:0 20px;min-height:40px;}
.nav-pill:hover{background:var(--ink-2);}
.burger{display:none;}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;background:#fff;z-index:120;transform:translateY(-102%);
  transition:transform .3s ease;display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);}
.drawer-nav{padding:10px 12px 24px;display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 10px;font-size:16px;border-bottom:1px solid var(--line);color:#22302A;
}
.drawer-nav a.active{color:var(--ink);font-weight:700;}
.drawer-nav a .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);opacity:0;}
.drawer-nav a.active .dot{opacity:1;}
.drawer-cta{position:sticky;bottom:0;padding:14px 20px 20px;background:#fff;border-top:1px solid var(--line);}
body.lock{overflow:hidden;}

/* ============ HERO ============ */
.hero{position:relative;background:var(--ink);overflow:hidden;}
.hero-bg{position:absolute;inset:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.62;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,42,34,.94) 0%,rgba(12,42,34,.82) 46%,rgba(12,42,34,.42) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:72px 0 64px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(201,242,77,.12);border:1px solid rgba(201,242,77,.5);color:var(--lime);
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero h1{
  font-size:40px;line-height:1.28;font-weight:800;color:#fff;letter-spacing:.2px;
}
.hero h1 span{color:var(--lime);}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.8;color:#C9D6CE;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:flex;gap:28px;margin-top:38px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);flex-wrap:wrap;
}
.hero-stats .st b{display:block;font-family:var(--mono);font-size:24px;color:#fff;font-weight:700;line-height:1.2;}
.hero-stats .st span{font-size:13px;color:#9FB2A8;}
.hero-visual{position:relative;}
.hero-visual .hv-main{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;box-shadow:0 24px 50px rgba(0,0,0,.35);
}
.hero-visual .hv-main img{width:100%;height:100%;object-fit:cover;}
.hero-visual .hv-badge{
  position:absolute;left:-14px;bottom:-14px;background:#fff;border-radius:12px;
  padding:12px 16px;box-shadow:var(--sh-h);display:flex;align-items:center;gap:10px;
}
.hero-visual .hv-badge i{color:var(--orange);font-size:18px;}
.hero-visual .hv-badge b{display:block;font-size:14px;color:var(--ink);}
.hero-visual .hv-badge span{font-size:12px;color:var(--muted);}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section.tight{padding:56px 0;}
.section.soft{background:var(--soft);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:28px;font-weight:800;color:var(--ink);line-height:1.35;}
.sec-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  color:var(--ink);letter-spacing:1px;text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--lime);}

/* ============ 卖点错位卡 ============ */
.points{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.point{
  grid-column:span 3;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh);position:relative;transition:transform .2s ease,box-shadow .2s ease;
}
.point:hover{transform:translateY(-2px);box-shadow:var(--sh-h);}
.point.wide{grid-column:span 4;background:linear-gradient(160deg,#fff 0%,#F3F8F0 100%);}
.point.narrow{grid-column:span 2;}
.point .idx{
  width:34px;height:34px;border-radius:9px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-family:var(--mono);font-size:14px;font-weight:700;
}
.point h3{margin-top:16px;font-size:20px;font-weight:700;color:var(--ink);}
.point p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.75;}
.point .arrow{
  position:absolute;right:22px;bottom:22px;color:var(--ink);font-size:15px;opacity:.5;
  transition:transform .2s ease,opacity .2s ease;
}
.point:hover .arrow{transform:translateX(4px);opacity:1;}
.point .kpi{margin-top:18px;font-family:var(--mono);font-size:26px;font-weight:700;color:var(--ink);}
.point .kpi small{font-size:13px;color:var(--muted);font-family:var(--sans);font-weight:400;margin-left:6px;}

/* ============ 图墙 ============ */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:172px;gap:18px;}
.gal-item{
  position:relative;border-radius:var(--r-img);overflow:hidden;display:block;
  box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease;
}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.gal-item::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,42,34,0) 38%,rgba(12,42,34,.86) 100%);
  transition:background .25s ease;
}
.gal-item:hover{transform:translateY(-2px);box-shadow:var(--sh-h);}
.gal-item:hover img{transform:scale(1.03);}
.gal-item:hover::after{background:linear-gradient(180deg,rgba(12,42,34,.22) 20%,rgba(12,42,34,.92) 100%);}
.gal-item.big{grid-column:span 2;grid-row:span 2;}
.gal-item.tall{grid-row:span 2;}
.gal-cap{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;}
.gal-cap strong{display:block;color:#fff;font-size:15.5px;font-weight:600;line-height:1.45;}
.gal-badge{
  position:absolute;left:14px;top:14px;z-index:2;background:rgba(12,42,34,.82);
  border:1px solid rgba(201,242,77,.5);color:var(--lime);font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;backdrop-filter:blur(2px);
}
.gal-date{
  position:absolute;right:14px;top:14px;z-index:2;background:rgba(255,255,255,.92);
  color:var(--ink);font-family:var(--mono);font-size:12px;padding:4px 9px;border-radius:6px;
}

/* ============ CTA 通栏 ============ */
.cta-band{
  border-radius:20px;padding:44px;background:linear-gradient(135deg,var(--ink) 0%,var(--ink-2) 100%);
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;color:#fff;
}
.cta-band h2{font-size:28px;font-weight:800;line-height:1.35;}
.cta-band p{margin-top:12px;font-size:15px;color:#B9C9C0;max-width:460px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 200px;min-height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);background:#fff;color:var(--text);
  transition:border-color .18s,box-shadow .18s;
}
.cta-form input::placeholder{color:#96A29A;}
.cta-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.28);}
.cta-form input.err{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.22);}
.form-note{font-size:12.5px;color:#93A69B;margin-top:12px;grid-column:1/-1;}
.form-msg{font-size:13px;margin-top:10px;grid-column:1/-1;}
.form-msg.ok{color:var(--lime);}
.form-msg.bad{color:#FFB08C;}

/* ============ 资讯列表 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);}
.post-card .pc-cover{aspect-ratio:4/3;overflow:hidden;background:var(--soft);}
.post-card .pc-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.post-card:hover .pc-cover img{transform:scale(1.04);}
.post-card.plain .pc-cover{display:none;}
.post-card .pc-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.post-card h3{
  font-size:17.5px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.post-card:hover h3{color:var(--ink-2);}
.post-card .pc-sum{
  margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .pc-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--soft);color:var(--ink);font-size:12.5px;font-weight:600;
}
.badge.lime{background:rgba(201,242,77,.32);}
.pc-date{font-family:var(--mono);font-size:12.5px;color:var(--muted);}
.pc-more{font-size:13.5px;color:var(--ink);font-weight:600;white-space:nowrap;}
.pc-more i{margin-left:4px;transition:transform .2s ease;}
.post-card:hover .pc-more i{transform:translateX(3px);}

.empty-state{
  max-width:520px;margin:0 auto;min-height:240px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;text-align:center;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);padding:40px 24px;
}
.empty-state i{font-size:32px;color:var(--dis);}
.empty-state p{color:var(--muted);font-size:15px;}

/* ============ FAQ ============ */
.faq{max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;}
.faq-item[open]{border-color:rgba(201,242,77,.9);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);opacity:0;transition:opacity .2s;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary .fi{width:22px;height:22px;flex-shrink:0;position:relative;}
.faq-item summary .fi::before,.faq-item summary .fi::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .22s ease;
}
.faq-item summary .fi::before{left:5px;top:10px;width:12px;height:2px;}
.faq-item summary .fi::after{left:10px;top:5px;width:2px;height:12px;}
.faq-item[open] summary .fi::after{transform:scaleY(0);}
.faq-body{padding:0 22px 20px 22px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ============ 信任条 ============ */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.trust-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh);}
.trust-item i{color:var(--orange);font-size:20px;}
.trust-item b{display:block;margin-top:12px;font-size:16px;color:var(--ink);}
.trust-item span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#A9BBB2;border-top:1px solid var(--lime);margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:64px 0 40px;}
.footer-brand .logo-text .lt-1{color:#fff;}
.footer-brand .logo-text .lt-2{color:#8FA398;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#9BAEA5;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.3px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:#A9BBB2;transition:color .18s ease;}
.footer-col a:hover{color:var(--lime);}
.footer-contact li{font-size:14px;color:#A9BBB2;display:flex;gap:9px;align-items:flex-start;}
.footer-contact i{color:var(--lime);margin-top:4px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8A9C93;
}
.footer-bottom a{color:#8A9C93;}
.footer-bottom a:hover{color:var(--lime);}
.seal{
  display:inline-grid;place-items:center;width:52px;height:52px;border:1px solid rgba(201,242,77,.45);
  border-radius:8px;color:var(--lime);font-size:11px;line-height:1.25;text-align:center;padding:4px;
  position:absolute;right:24px;top:52px;
}
.footer-wrap{position:relative;}

/* ============ 响应式 ============ */
@media (max-width:1120px){
  .main-nav a{padding:0 9px;font-size:14px;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .burger{display:grid;}
  .nav-right .nav-pill{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:56px 0 52px;}
  .hero h1{font-size:32px;}
  .points{grid-template-columns:repeat(4,1fr);}
  .point{grid-column:span 2;}
  .point.wide{grid-column:span 4;}
  .point.narrow{grid-column:span 2;}
  .gallery{grid-template-columns:repeat(3,1fr);grid-auto-rows:158px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .seal{display:none;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .sec-head h2{font-size:24px;}
  .hero h1{font-size:28px;}
  .hero-stats{gap:20px;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;}
  .gal-item.big{grid-column:span 2;grid-row:span 1;}
  .trust{grid-template-columns:repeat(2,1fr);}
  .cta-band h2{font-size:22px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .hero-inner{padding:44px 0 40px;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{flex:1 1 100%;}
  .points{grid-template-columns:1fr;}
  .point,.point.wide,.point.narrow{grid-column:span 1;}
  .gallery{grid-template-columns:1fr;grid-auto-rows:196px;}
  .gal-item.big,.gal-item.tall{grid-column:span 1;grid-row:span 1;}
  .card-grid{grid-template-columns:1fr;}
  .trust{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .count-inner{font-size:12px;gap:10px;padding:0 16px;}
  .count-nums b{min-width:26px;font-size:13px;}
  .count-link{display:none;}
  .cta-form input{flex:1 1 100%;}
  .cta-form .btn{width:100%;}
}

/* roulang page: article */
:root{
  --green:#0C2A22;
  --green-2:#123A2E;
  --green-3:#1B4C3C;
  --lime:#C9F24D;
  --orange:#FF6A2B;
  --orange-d:#E85A1E;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --tint:#EEF3EC;
  --text:#1C2320;
  --muted:#5C6A62;
  --line:#E4E7E0;
  --ok:#2FA96B;
  --warn:#E4B33C;
  --off:#C6CCC7;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow:0 8px 24px rgba(12,42,34,.08);
  --shadow-h:0 14px 34px rgba(12,42,34,.14);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  --mono:"Roboto Mono",DIN,"SFMono-Regular",Consolas,monospace;
  --pad-sec:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.75;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(12,42,34,.07);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--green);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.lt-1{font-size:16px;font-weight:800;color:var(--green);letter-spacing:.3px;}
.lt-2{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--text);
  transition:color .2s ease,background .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.main-nav a:hover{color:var(--green);background:var(--tint);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--green);font-weight:700;}
.main-nav a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--green);background:var(--tint);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:var(--lime);color:var(--green);}
.icon-btn:active{transform:translateY(1px);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  background:var(--orange);color:#fff;
  transition:background .2s ease,transform .18s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn:hover{background:var(--orange-d);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,43,.28);}
.btn:active{transform:translateY(1px);box-shadow:none;}
.btn.is-disabled,.btn[disabled]{background:var(--off);color:#fff;cursor:not-allowed;box-shadow:none;transform:none;}
.btn-ghost{
  background:#fff;color:var(--green);border:1px solid var(--line);
}
.btn-ghost:hover{background:var(--tint);border-color:var(--lime);color:var(--green);box-shadow:none;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:700;color:var(--green);
}
.btn-link i{transition:transform .2s ease;}
.btn-link:hover{color:var(--orange);}
.btn-link:hover i{transform:translateX(4px);}
.nav-pill{border-radius:var(--r-pill);padding:0 20px;}
.burger{display:none;}

.mobile-drawer{
  display:none;position:fixed;inset:72px 0 0 0;z-index:79;
  background:#fff;padding:20px 24px 96px;overflow-y:auto;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:14px 12px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--text);border-radius:8px;
}
.mobile-drawer a.active{color:var(--green);background:var(--tint);}
.mobile-drawer a:hover{color:var(--green);background:var(--tint);}
.drawer-cta{
  position:fixed;left:0;right:0;bottom:0;padding:14px 24px;
  background:#fff;border-top:1px solid var(--line);z-index:81;
}
.drawer-cta .btn{width:100%;}
body.nav-locked{overflow:hidden;}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--tint);border-bottom:1px solid var(--line);}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:14px 0;font-size:13px;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--orange);}
.crumb .sep{color:#B6C1B8;}
.crumb .cur{
  color:var(--text);font-weight:700;max-width:52ch;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- article ---------- */
.article-shell{padding:48px 0 var(--pad-sec);}
.article-wrap{max-width:820px;margin:0 auto;}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.2px;
  background:var(--lime);color:var(--green);
}
.badge-soft{background:var(--tint);color:var(--green-3);}
.article-head h1{
  margin:16px 0 18px;
  font-size:40px;line-height:1.32;font-weight:800;color:var(--green);
  letter-spacing:.2px;
}
.meta-bar{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.meta-bar .dot{width:4px;height:4px;border-radius:50%;background:var(--off);}
.article-body{
  margin-top:32px;
  font-size:16px;line-height:1.85;color:var(--text);
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:24px;line-height:1.5;font-weight:800;color:var(--green);
  margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--lime);
}
.article-body h3{
  font-size:19px;line-height:1.55;font-weight:700;color:var(--green);
  margin:1.6em 0 .6em;
}
.article-body h4{font-size:17px;font-weight:700;color:var(--green);margin:1.4em 0 .5em;}
.article-body ul{list-style:none;padding-left:0;margin:0 0 1.2em;}
.article-body ul li{position:relative;padding-left:20px;margin:.5em 0;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--lime);
}
.article-body ol{list-style:decimal;padding-left:1.5em;margin:0 0 1.2em;}
.article-body ol li{margin:.5em 0;}
.article-body ol li::marker{color:var(--green);font-weight:700;}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;
  background:var(--tint);border-left:4px solid var(--green);
  border-radius:0 12px 12px 0;color:var(--muted);font-size:15px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;height:auto;margin:1.6em auto;
  border-radius:var(--r-card);box-shadow:var(--shadow);
}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--muted);
}
.article-body a{color:var(--green);border-bottom:1px solid var(--lime);}
.article-body a:hover{color:var(--orange);border-bottom-color:var(--orange);}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  background:#fff;border-radius:10px;overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:11px 14px;text-align:left;
}
.article-body th{background:var(--tint);font-weight:700;color:var(--green);}
.article-body code{
  font-family:var(--mono);font-size:14px;
  background:var(--tint);color:var(--green-3);
  padding:2px 7px;border-radius:6px;
}
.article-body pre{
  background:var(--green);color:#E6F3EC;
  padding:18px 20px;border-radius:var(--r-card);
  overflow-x:auto;margin:1.5em 0;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.empty-state{
  margin-top:36px;padding:44px 24px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state i{font-size:30px;color:var(--off);}
.empty-state h2{font-size:20px;font-weight:700;color:var(--green);margin:16px 0 8px;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:20px;}

/* ---------- related ---------- */
.related{padding:var(--pad-sec) 0 0;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:28px;flex-wrap:wrap;
}
.sec-head h2{font-size:28px;font-weight:800;color:var(--green);line-height:1.35;}
.sec-head p{margin-top:8px;font-size:14px;color:var(--muted);max-width:62ch;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:#D6E2D6;}
.card-cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--tint);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.cover-tag{
  position:absolute;left:12px;bottom:12px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--r-pill);background:rgba(12,42,34,.86);
  color:var(--lime);font-size:12px;font-weight:700;
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--green);}
.card:hover .card-body h3{color:var(--green-3);}
.card-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.card-foot .more{font-weight:700;color:var(--green);display:inline-flex;align-items:center;gap:6px;}
.card-foot .more i{transition:transform .2s ease;}
.card:hover .card-foot .more{color:var(--orange);}
.card:hover .card-foot .more i{transform:translateX(3px);}

/* ---------- back actions ---------- */
.back-actions{
  margin-top:44px;padding:26px 0 0;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.back-actions .hint{font-size:13px;color:var(--muted);margin-right:auto;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--pad-sec);
  background:var(--green);color:#CFE0D6;
  padding:56px 0 26px;
  background-image:linear-gradient(180deg,var(--green) 0%,var(--green-2) 100%);
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--lime);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--lime);color:var(--green);}
.footer-brand .lt-1{color:#fff;}
.footer-brand .lt-2{color:#9DBBA9;}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9C2B2;max-width:36ch;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:#A9C2B2;transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--lime);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#A9C2B2;}
.footer-contact i{color:var(--lime);margin-top:4px;}
.seal{
  display:inline-block;margin-top:34px;
  border:1px solid rgba(201,242,77,.5);border-radius:6px;
  padding:8px 10px;font-size:11px;line-height:1.4;letter-spacing:1px;
  color:var(--lime);text-align:center;
}
.footer-bottom{
  margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FAB9B;
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .main-nav{gap:0;}
  .main-nav a{padding:9px 10px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:960px){
  :root{--pad-sec:56px;}
  .nav-wrap{height:64px;gap:16px;}
  .main-nav{display:none;}
  .burger{display:inline-flex;}
  .nav-pill{display:none;}
  .mobile-drawer{inset:64px 0 0 0;}
  .article-head h1{font-size:32px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  :root{--pad-sec:44px;}
  .container{padding:0 18px;}
  .article-shell{padding:32px 0 var(--pad-sec);}
  .article-head h1{font-size:27px;}
  .article-body{font-size:15px;}
  .article-body h2{font-size:21px;}
  .sec-head h2{font-size:22px;}
  .card-grid{grid-template-columns:1fr;}
  .crumb .cur{max-width:100%;white-space:normal;}
  .back-actions .hint{width:100%;margin-right:0;}
  .back-actions .btn{flex:1 1 46%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --ink:#0C2A22;
  --ink-2:#123A2E;
  --lime:#C9F24D;
  --orange:#FF6A2B;
  --orange-d:#E85A1C;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --soft:#EEF3EC;
  --text:#1C2320;
  --muted:#5C6A62;
  --line:#E4E7E0;
  --ok:#2FA96B;
  --warn:#E4B33C;
  --dis:#C6CCC7;
  --r-card:14px;
  --r-btn:10px;
  --r-img:18px;
  --sh:0 8px 24px rgba(12,42,34,.08);
  --sh-h:0 14px 32px rgba(12,42,34,.14);
  --mono:'Roboto Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

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

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:900;
  background:#FFFFFF;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled{
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 20px rgba(12,42,34,.07);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text .lt-1{font-size:16px;font-weight:900;color:var(--ink);letter-spacing:.2px;}
.logo-text .lt-2{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;
  padding:10px 14px;
  font-size:15px;font-weight:500;color:#2C3733;
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;
  background:var(--lime);border-radius:999px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:700;}
.main-nav a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:42px;height:42px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);font-size:16px;
  border:1px solid var(--line);
  background:#fff;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.icon-btn:hover{background:var(--soft);border-color:var(--lime);color:var(--ink);}
.icon-btn:active{transform:translateY(1px);}
.burger{display:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  border:1px solid transparent;
  cursor:pointer;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.28);}
.btn-primary:hover{background:var(--orange-d);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{border-color:var(--lime);background:#F3F9E4;}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:var(--lime);color:#fff;}
.btn:disabled{background:var(--dis);color:#fff;cursor:not-allowed;box-shadow:none;transform:none;}
.nav-pill{min-height:42px;padding:0 20px;border-radius:999px;font-size:14px;}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding:14px 0;
}
.crumb a{color:var(--muted);transition:color .2s ease;}
.crumb a:hover{color:var(--ink);}
.crumb .sep{color:#B9C0BA;}
.crumb .current{color:var(--ink);font-weight:700;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 30%;
  color:#fff;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,42,34,.92) 0%,rgba(12,42,34,.72) 48%,rgba(12,42,34,.42) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero-inner{padding:64px 0 56px;max-width:720px;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.6px;
  color:var(--lime);text-transform:uppercase;
  padding:6px 12px;border-radius:999px;
  border:1px solid rgba(201,242,77,.45);
  background:rgba(201,242,77,.08);
  margin-bottom:18px;
}
.cat-hero h1{
  font-size:40px;line-height:1.28;font-weight:900;letter-spacing:.2px;
  margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--lime);}
.cat-hero p.lead{
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);
  max-width:600px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:rgba(255,255,255,.16);
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats div{
  background:rgba(12,42,34,.55);
  padding:16px 24px;
}
.hero-stats .num{
  font-family:var(--mono);font-size:22px;font-weight:700;color:var(--lime);
  display:block;line-height:1.2;
}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.72);}

/* ============ 区块通用 ============ */
.section{padding:80px 0;}
.section.soft{background:var(--soft);}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head .tag-line{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.6px;
  color:var(--ink);background:var(--lime);border-radius:999px;
  padding:5px 12px;margin-bottom:14px;
}
.sec-head h2{
  font-size:28px;line-height:1.35;font-weight:900;color:var(--ink);
  margin-bottom:12px;
}
.sec-head p{font-size:15px;color:var(--muted);max-width:640px;}

.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:700;letter-spacing:.3px;
  padding:4px 11px;border-radius:999px;
  background:var(--soft);color:var(--ink-2);border:1px solid var(--line);
}
.tag.lime{background:rgba(201,242,77,.28);border-color:rgba(201,242,77,.7);}
.tag.dark{background:var(--ink);color:var(--lime);border-color:var(--ink);}

/* ============ 交错图文 ============ */
.zigzag{display:flex;flex-direction:column;gap:56px;}
.zrow{
  display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);
  transition:box-shadow .25s ease,transform .25s ease;
}
.zrow:hover{box-shadow:var(--sh-h);}
.zrow.reverse .zmedia{order:2;}
.zmedia{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  background:var(--soft);
}
.zmedia img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .5s ease;
}
.zrow:hover .zmedia img{transform:scale(1.03);}
.zmedia::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,42,34,0) 55%,rgba(12,42,34,.42) 100%);
  pointer-events:none;
}
.zmedia .corner{
  position:absolute;left:14px;bottom:14px;z-index:2;
  font-family:var(--mono);font-size:12px;font-weight:700;
  color:var(--ink);background:var(--lime);
  padding:4px 10px;border-radius:6px;
}
.zbody h3{
  font-size:20px;line-height:1.45;font-weight:800;color:var(--ink);
  margin:14px 0 10px;
}
.zbody p{font-size:15px;color:#3A443F;margin-bottom:16px;max-width:640px;}
.zlist{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.zlist li{
  position:relative;padding-left:20px;font-size:14px;color:var(--muted);line-height:1.7;
}
.zlist li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:2px;background:var(--lime);
  box-shadow:0 0 0 1px rgba(12,42,34,.15);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--ink);
  padding-bottom:2px;border-bottom:2px solid var(--lime);
  transition:color .2s ease;
}
.link-arrow i{transition:transform .2s ease;font-size:12px;}
.link-arrow:hover{color:var(--orange);}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 更新节奏 ============ */
.rhythm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rhythm-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rhythm-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);border-color:rgba(201,242,77,.9);}
.rhythm-card .num-badge{
  width:34px;height:34px;border-radius:9px;
  background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:14px;font-weight:700;
  margin-bottom:14px;
}
.rhythm-card h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.rhythm-card p{font-size:14px;color:var(--muted);}
.rhythm-card .time{
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--orange);
  margin-top:14px;display:inline-block;
  padding-top:12px;border-top:1px dashed var(--line);width:100%;
}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  position:relative;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh);
}
.step .sidx{
  font-family:var(--mono);font-size:12px;font-weight:700;color:var(--ink-2);
  background:rgba(201,242,77,.5);border-radius:999px;
  padding:3px 10px;display:inline-block;margin-bottom:12px;
}
.step h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 100%);
  color:#fff;border-radius:20px;
  padding:44px;display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.22),transparent 70%);
}
.cta-band h2{font-size:26px;font-weight:900;line-height:1.4;margin-bottom:10px;position:relative;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.8);position:relative;}
.cta-form{position:relative;z-index:2;}
.form-row{display:flex;gap:12px;flex-wrap:wrap;}
.form-row input{
  flex:1 1 200px;min-height:48px;border-radius:var(--r-btn);
  border:1px solid transparent;background:#fff;color:var(--text);
  padding:0 16px;font-size:15px;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.form-row input::placeholder{color:#98A29C;}
.form-row input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.35);}
.form-row input.error{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.22);}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.62);margin-top:12px;line-height:1.7;}
.form-err{font-size:12.5px;color:#FFB27A;margin-top:8px;display:none;}
.form-err.show{display:block;}

/* ============ FAQ ============ */
.faq-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);
  transition:background .2s ease;
}
.faq-q:hover{background:#FAFBF7;}
.faq-q .ic{
  flex:none;width:26px;height:26px;border-radius:7px;
  border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--ink);
  transition:background .2s ease,border-color .2s ease,transform .25s ease;
}
.faq-item.open .faq-q{background:#FAFBF7;}
.faq-item.open .faq-q .ic{background:var(--lime);border-color:var(--lime);transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s ease;
  border-left:3px solid transparent;
}
.faq-item.open .faq-a{border-left-color:var(--lime);}
.faq-a p{
  padding:0 24px 22px 27px;font-size:15px;color:var(--muted);line-height:1.8;
}

/* ============ 相关入口 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);}
.entry-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.entry-card .ec-body{padding:20px 22px 22px;}
.entry-card h3{font-size:17px;font-weight:800;color:var(--ink);margin:10px 0 8px;line-height:1.5;}
.entry-card:hover h3{color:var(--ink-2);}
.entry-card p{font-size:14px;color:var(--muted);margin-bottom:14px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.78);
  border-top:1px solid var(--lime);
  padding:60px 0 26px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text .lt-1{color:#fff;}
.footer-brand .logo-text .lt-2{color:rgba(255,255,255,.55);}
.footer-brand .logo-mark{background:rgba(201,242,77,.14);color:var(--lime);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{
  font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{
  font-size:14px;color:rgba(255,255,255,.66);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col ul a:hover{color:var(--lime);padding-left:4px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.7;}
.footer-contact li i{color:var(--lime);margin-top:5px;font-size:12px;}
.seal{
  display:none;
}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 移动端抽屉 ============ */
@media (max-width:1040px){
  .main-nav{
    position:fixed;inset:72px 0 0 0;
    background:#fff;
    flex-direction:column;align-items:stretch;gap:0;
    padding:16px 24px 120px;
    transform:translateX(100%);
    transition:transform .3s ease;
    overflow-y:auto;
    z-index:880;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav a{
    padding:16px 4px;font-size:16px;border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .main-nav a::after{left:4px;right:auto;bottom:8px;width:22px;}
  .burger{display:flex;}
  .nav-pill{display:none;}
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{max-width:1140px;}
}
@media (max-width:960px){
  .section{padding:56px 0;}
  .cat-hero h1{font-size:32px;}
  .cat-hero-inner{padding:52px 0 44px;}
  .zrow{grid-template-columns:1fr;gap:24px;}
  .zrow.reverse .zmedia{order:0;}
  .rhythm-grid,.entry-grid{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:34px 28px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero-stats div{padding:14px 16px;}
}
@media (max-width:640px){
  body{font-size:15px;}
  .container{padding:0 18px;}
  .nav-wrap{height:64px;gap:12px;}
  .main-nav{inset:64px 0 0 0;}
  .logo-text .lt-1{font-size:15px;}
  .logo-text .lt-2{font-size:10px;}
  .section{padding:44px 0;}
  .cat-hero h1{font-size:27px;}
  .cat-hero p.lead{font-size:15px;}
  .cat-hero-inner{padding:40px 0 36px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stats div{padding:12px 18px;display:flex;align-items:baseline;gap:10px;}
  .hero-stats .num{font-size:18px;}
  .sec-head h2{font-size:22px;}
  .sec-head{margin-bottom:28px;}
  .zrow{padding:18px;}
  .zbody h3{font-size:18px;}
  .rhythm-grid,.entry-grid,.steps{grid-template-columns:1fr;}
  .cta-band{padding:28px 20px;border-radius:16px;}
  .cta-band h2{font-size:21px;}
  .form-row input{flex:1 1 100%;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px 21px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --ink:#0C2A22;
  --ink-2:#123A2E;
  --lime:#C9F24D;
  --orange:#FF6A2B;
  --orange-d:#E85A1E;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --soft:#EEF3EC;
  --text:#1C2320;
  --muted:#5C6A62;
  --line:#E4E7E0;
  --ok:#2FA96B;
  --warn:#E4B33C;
  --off:#C6CCC7;
  --r-card:14px;
  --r-btn:10px;
  --r-img:18px;
  --sh:0 8px 24px rgba(12,42,34,.08);
  --sh-h:0 14px 34px rgba(12,42,34,.14);
  --max:1200px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Roboto Mono","DIN Alternate",ui-monospace,SFMono-Regular,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ink);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section.soft{background:var(--soft);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{font-size:28px;letter-spacing:0;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--ink);
  background:var(--lime);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,106,43,.28);}
.btn-primary:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(255,106,43,.22);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--lime);background:#F2F9E2;color:var(--ink);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);color:#fff;transform:translateY(-1px);}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.btn:disabled{background:var(--off);color:#fff;box-shadow:none;cursor:not-allowed;transform:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--ink);
}
.link-arrow i{transition:transform .2s ease;font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}
.link-arrow:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(12,42,34,.07);}
.nav-wrap{display:flex;align-items:center;gap:24px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text .lt-1{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.5px;}
.logo-text .lt-2{font-size:11px;color:var(--muted);letter-spacing:2px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  position:relative;padding:10px 12px;border-radius:8px;
  font-size:15px;color:#33403A;font-weight:500;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:700;}
.main-nav a.active::after{transform:scaleX(1);}
.main-nav a:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.nav-right{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,background .2s ease,color .2s ease;
}
.icon-btn:hover{border-color:var(--lime);background:#F5FAE8;}
.icon-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.nav-pill{border-radius:999px;padding:0 20px;}
.burger{display:none;}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:#fff;
  transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);}
.drawer-nav{padding:12px 12px 0;display:flex;flex-direction:column;}
.drawer-nav a{
  padding:14px 12px;border-radius:10px;font-size:16px;font-weight:600;color:#2C3A34;
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--ink);background:var(--soft);border-left:3px solid var(--lime);}
.drawer-nav a:hover{background:var(--soft);}
.drawer-foot{margin-top:auto;padding:16px 20px 24px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}
body.no-scroll{overflow:hidden;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:#B9C6BF;}
.breadcrumb a{color:#B9C6BF;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:700;}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;background-color:var(--ink);background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(12,42,34,.92) 0%,rgba(12,42,34,.72) 52%,rgba(18,58,46,.5) 100%);
}
.hero-inner{position:relative;z-index:2;padding:56px 24px 64px;max-width:820px;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;margin:18px 0 14px;
  font-size:12px;font-weight:700;letter-spacing:1px;color:var(--ink);
  background:var(--lime);border-radius:999px;padding:5px 14px;
}
.page-hero h1{font-size:40px;color:#fff;letter-spacing:0;}
.page-hero .hero-sub{margin-top:16px;font-size:16px;color:#D6E2DA;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.hero-actions .btn-ghost:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}

/* ---------- 数据条 ---------- */
.stat-strip{background:var(--ink);border-top:1px solid rgba(201,242,77,.28);}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;}
.stat{padding:22px 8px 24px;text-align:center;color:#fff;}
.stat + .stat{border-left:1px solid rgba(255,255,255,.09);}
.stat-num{display:block;font-family:var(--mono);font-size:28px;font-weight:700;color:var(--lime);letter-spacing:1px;}
.stat-label{display:block;margin-top:6px;font-size:13px;color:#AEC0B6;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:106px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(201,242,77,.9),rgba(201,242,77,.2));
}
.tl-item{display:grid;grid-template-columns:106px 1fr;gap:0 28px;padding-bottom:20px;}
.tl-item:last-child{padding-bottom:0;}
.tl-time{padding-top:20px;text-align:right;padding-right:4px;}
.tl-clock{display:block;font-family:var(--mono);font-size:19px;font-weight:700;color:var(--ink);}
.tl-tag{display:inline-block;margin-top:8px;font-size:12px;font-weight:700;color:#3D5220;background:#EAF7C8;border-radius:999px;padding:2px 10px;}
.tl-body{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.tl-body::before{
  content:"";position:absolute;left:-34px;top:26px;width:12px;height:12px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 4px rgba(201,242,77,.24);border:2px solid var(--ink);
}
.tl-body:hover{box-shadow:var(--sh-h);transform:translateY(-2px);border-color:#D6E5C8;}
.tl-body h3{font-size:19px;}
.tl-body p{margin-top:10px;color:var(--muted);font-size:15px;max-width:56ch;}
.tl-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  font-size:12px;font-weight:700;padding:3px 11px;
}
.badge-live{background:#FDE8DC;color:#B8431A;}
.badge-ok{background:#E2F6EC;color:#1E7A4C;}
.badge-soon{background:#FBF2D9;color:#8A6A12;}
.tl-meta{font-size:13px;color:var(--muted);}

/* ---------- 观看准备：图文两栏 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;}
.split .figure{
  border-radius:var(--r-img);overflow:hidden;background:var(--ink);
  aspect-ratio:4/3;box-shadow:var(--sh);
}
.split .figure img{width:100%;height:100%;object-fit:cover;}
.check-list{display:grid;gap:14px;margin-top:26px;}
.check-list li{
  display:flex;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px 18px;box-shadow:var(--sh);transition:box-shadow .2s ease,transform .2s ease;
}
.check-list li:hover{box-shadow:var(--sh-h);transform:translateY(-2px);}
.check-icon{
  flex:0 0 auto;width:34px;height:34px;border-radius:9px;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.check-list h3{font-size:16px;}
.check-list p{font-size:14px;color:var(--muted);margin-top:6px;}

/* ---------- 信号线路面板 ---------- */
.panel-dark{
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-2) 100%);
  border-radius:var(--r-img);padding:38px;color:#fff;
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
}
.panel-dark h2{color:#fff;font-size:26px;}
.panel-dark .panel-sub{margin-top:12px;color:#B7C7BE;font-size:15px;max-width:44ch;}
.line-rows{display:grid;gap:12px;}
.line-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:12px;padding:14px 18px;
}
.line-name{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;}
.dot{width:9px;height:9px;border-radius:50%;flex:0 0 auto;}
.dot-ok{background:var(--ok);box-shadow:0 0 0 3px rgba(47,169,107,.22);}
.dot-warn{background:var(--warn);box-shadow:0 0 0 3px rgba(228,179,60,.22);}
.dot-lime{background:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.22);}
.line-state{font-family:var(--mono);font-size:13px;color:#CBD9D1;}
.panel-note{margin-top:16px;font-size:12px;color:#8FA79B;}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;}
.faq details{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details:hover{border-color:#D9E4D2;}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--ink);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.faq details[open] summary .sign{background:var(--lime);border-color:var(--lime);transform:rotate(180deg);}
.faq summary:focus-visible{outline:2px solid var(--lime);outline-offset:-2px;}
.faq .answer{padding:0 22px 20px;font-size:15px;color:var(--muted);border-left:3px solid var(--lime);margin-left:22px;padding-left:16px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 100%);
  color:#fff;padding:60px 0;
}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;font-size:28px;}
.cta-band .cta-sub{margin-top:12px;color:#B7C7BE;font-size:15px;max-width:46ch;}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;}
.cta-form input{
  flex:1 1 220px;min-height:48px;padding:0 16px;
  border:1px solid rgba(255,255,255,.22);border-radius:var(--r-btn);
  background:#fff;color:var(--text);font-size:15px;
}
.cta-form input::placeholder{color:#94A39B;}
.cta-form input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-color:var(--lime);}
.form-note{margin-top:12px;font-size:12px;color:#93A79B;}
.form-msg{margin-top:10px;font-size:13px;color:var(--lime);display:none;}
.form-msg.show{display:block;}
.form-err{margin-top:8px;font-size:13px;color:#FFB48C;display:none;}
.form-err.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:#C6D4CC;position:relative;
  border-top:1px solid var(--lime);
}
.footer-wrap{padding:60px 24px 28px;position:relative;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .logo-mark{background:rgba(201,242,77,.14);}
.footer-brand .logo-text .lt-1{color:#fff;}
.footer-brand .logo-text .lt-2{color:#8FA79B;}
.footer-brand p{margin-top:16px;font-size:14px;color:#96AAA0;max-width:34ch;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#A9BCB2;}
.footer-col a:hover{color:var(--lime);}
.footer-col a:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#A9BCB2;}
.footer-contact i{color:var(--lime);margin-top:4px;}
.seal{
  position:absolute;right:24px;top:56px;
  border:1px solid rgba(201,242,77,.55);color:var(--lime);
  font-size:11px;line-height:1.5;letter-spacing:1px;text-align:center;
  padding:8px 10px;border-radius:6px;
}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8397 8C;
  color:#83978C;
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .main-nav{gap:0;}
  .main-nav a{padding:10px 9px;font-size:14px;}
  .nav-pill{padding:0 16px;}
}
@media (max-width:960px){
  .main-nav{display:none;}
  .burger{display:inline-flex;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:32px;}
  .hero-inner{padding:44px 24px 52px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split .figure{order:-1;}
  .panel-dark{grid-template-columns:1fr;padding:30px;gap:24px;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .seal{display:none;}
  .timeline::before{left:76px;}
  .tl-item{grid-template-columns:76px 1fr;gap:0 20px;}
  .tl-body::before{left:-26px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .section{padding:44px 0;}
  .site-header .nav-wrap{min-height:64px;gap:12px;}
  .logo-text .lt-1{font-size:15px;}
  .nav-pill{display:none;}
  .page-hero h1{font-size:28px;}
  .hero-inner{padding:36px 18px 44px;}
  .hero-actions .btn{width:100%;}
  .stat-grid{grid-template-columns:1fr;}
  .stat + .stat{border-left:none;border-top:1px solid rgba(255,255,255,.09);}
  .stat{padding:16px 8px;}
  .timeline::before{left:10px;top:14px;}
  .tl-item{grid-template-columns:1fr;gap:12px;padding-left:30px;padding-bottom:18px;}
  .tl-time{text-align:left;padding:0;display:flex;align-items:center;gap:10px;}
  .tl-tag{margin-top:0;}
  .tl-body::before{left:-27px;top:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-form input{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;}
  .section-head h2{font-size:24px;}
  .cta-band h2,.panel-dark h2{font-size:23px;}
}

/* roulang page: category3 */
:root{
  --green-900:#0C2A22;
  --green-800:#123A2E;
  --lime:#C9F24D;
  --lime-soft:rgba(201,242,77,.16);
  --lime-line:rgba(201,242,77,.55);
  --orange:#FF6A2B;
  --orange-dark:#E85A1C;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --soft:#EEF3EC;
  --text:#1C2320;
  --muted:#5C6A62;
  --line:#E4E7E0;
  --ok:#2FA96B;
  --warn:#E4B33C;
  --disabled:#C6CCC7;
  --r-card:14px;
  --r-btn:10px;
  --r-img:18px;
  --shadow:0 8px 24px rgba(12,42,34,.08);
  --shadow-hover:0 14px 30px rgba(12,42,34,.14);
  --maxw:1200px;
  --hdr:72px;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --mono:"Roboto Mono","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--hdr);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;}
h1{font-size:40px;}
h2{font-size:28px;}
h3{font-size:20px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--hdr);
  display:flex;align-items:center;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(12,42,34,.08);}
.nav-wrap{display:flex;align-items:center;gap:20px;width:100%;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--green-900);color:var(--lime);
  display:grid;place-items:center;font-size:15px;flex:none;
}
.logo-text{display:flex;flex-direction:column;line-height:1.08;}
.lt-1{font-size:15px;font-weight:800;color:var(--green-900);}
.lt-2{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.4px;}
.main-nav{flex:1;display:flex;justify-content:center;align-items:center;gap:2px;}
.main-nav a{
  position:relative;padding:10px 13px;border-radius:8px;
  font-size:15px;color:var(--text);transition:color .2s ease,background .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.main-nav a:hover{color:var(--green-900);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--green-900);font-weight:700;}
.main-nav a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--green-900);cursor:pointer;
  display:grid;place-items:center;font-size:15px;
  transition:border-color .2s ease,background .2s ease,transform .15s ease;
}
.icon-btn:hover{border-color:var(--lime);background:var(--soft);}
.icon-btn:active{transform:translateY(1px);}
.burger{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:var(--r-btn);
  border:1px solid transparent;font-weight:700;font-size:15px;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(255,106,43,.26);}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,106,43,.32);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary[disabled]{background:var(--disabled);box-shadow:none;cursor:not-allowed;transform:none;}
.btn-ghost{background:#fff;color:var(--green-900);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--lime);background:var(--soft);transform:translateY(-1px);}
.nav-pill{border-radius:999px;padding:11px 22px;font-size:14px;background:var(--orange);color:#fff;}
.nav-pill:hover{background:var(--orange-dark);transform:translateY(-1px);}
.drawer-cta{display:none;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted);flex-wrap:wrap;}
.crumb a{transition:color .2s ease;}
.crumb a:hover{color:var(--green-900);}
.crumb .sep{color:#B9C1BA;}
.crumb .current{color:var(--text);font-weight:700;}

/* ---------- hero ---------- */
.hero-cat{
  position:relative;color:#fff;overflow:hidden;
  padding:60px 0 54px;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(12,42,34,.55) 0%,rgba(12,42,34,.34) 55%,rgba(12,42,34,.5) 100%);
}
.hero-cat .container{position:relative;z-index:2;}
.hero-cat h1{font-size:38px;line-height:1.22;max-width:800px;text-shadow:0 2px 14px rgba(0,0,0,.22);}
.hero-cat .sub{
  margin:16px 0 26px;max-width:660px;
  font-size:16px;color:rgba(255,255,255,.88);
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.hero-actions .btn-ghost{background:#fff;color:var(--green-900);border-color:#fff;}
.hero-actions .btn-ghost:hover{background:var(--lime);border-color:var(--lime);}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap;margin-top:34px;}
.hero-stats .hs{min-width:110px;}
.hs-num{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--lime);line-height:1.2;}
.hs-label{font-size:13px;color:rgba(255,255,255,.78);}

/* ---------- 板块 ---------- */
.section{padding:80px 0;}
.section-soft{background:var(--soft);}
.section-white{background:#fff;}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;max-width:none;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:999px;
  font-size:13px;font-weight:700;color:var(--green-900);
  background:var(--lime-soft);border:1px solid var(--lime-line);
  margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:15px;margin-top:12px;max-width:640px;}
.link-more{font-size:15px;font-weight:700;color:var(--green-900);display:inline-flex;align-items:center;gap:6px;}
.link-more i{transition:transform .2s ease;font-size:13px;}
.link-more:hover i{transform:translateX(4px);}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--shadow);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.step:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--lime-line);}
.step-idx{
  font-family:var(--mono);font-size:13px;font-weight:700;
  width:34px;height:34px;border-radius:9px;
  background:var(--green-900);color:var(--lime);
  display:grid;place-items:center;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;color:var(--green-900);}
.step p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- 问答卡 ---------- */
.qa-list{display:grid;gap:14px;}
.qa{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--lime);
  border-radius:var(--r-card);box-shadow:var(--shadow);
  overflow:hidden;transition:box-shadow .25s ease,transform .25s ease;
}
.qa:hover{box-shadow:var(--shadow-hover);}
.qa summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--green-900);
}
.qa summary::-webkit-details-marker{display:none;}
.qa-idx{
  font-family:var(--mono);font-size:12px;font-weight:700;
  background:var(--green-900);color:var(--lime);
  padding:6px 9px;border-radius:8px;flex:none;
}
.qa-plus{
  margin-left:auto;flex:none;
  width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);color:var(--muted);
  display:grid;place-items:center;font-size:12px;
  transition:transform .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.qa[open] .qa-plus{background:var(--lime);border-color:var(--lime);color:var(--green-900);transform:rotate(45deg);}
.qa-body{padding:0 22px 22px 78px;font-size:15px;color:var(--muted);line-height:1.85;}
.qa-body strong{color:var(--green-900);}

/* ---------- 图文交错 ---------- */
.media-row{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;}
.media-row.reverse{grid-template-columns:7fr 5fr;}
.media-figure{
  border-radius:var(--r-img);overflow:hidden;background:#fff;
  box-shadow:var(--shadow);
}
.media-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .4s ease;
}
.media-figure:hover img{transform:scale(1.03);}
.media-text h2{margin-bottom:14px;}
.media-text > p{color:var(--muted);font-size:15px;max-width:560px;}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.check-list li:hover{border-color:var(--lime-line);box-shadow:var(--shadow);}
.check-list i{color:var(--green-900);background:var(--lime);border-radius:6px;width:22px;height:22px;display:grid;place-items:center;font-size:11px;flex:none;margin-top:2px;}

/* ---------- 说明条 ---------- */
.notice-band{
  background:var(--soft);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 32px;display:flex;gap:22px;align-items:flex-start;
}
.seal-small{
  flex:none;width:62px;height:62px;border-radius:8px;
  border:2px solid var(--green-900);color:var(--green-900);
  background:var(--lime);
  display:grid;place-items:center;text-align:center;
  font-size:12px;font-weight:700;line-height:1.35;letter-spacing:1px;
}
.notice-band h3{margin-bottom:8px;color:var(--green-900);}
.notice-band p{font-size:15px;color:var(--muted);max-width:820px;}

/* ---------- CTA 通栏 ---------- */
.cta-wrap{padding:0 0 80px;}
.cta-band{
  background:linear-gradient(135deg,var(--green-900) 0%,var(--green-800) 100%);
  border-radius:22px;padding:48px;
  display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;
  border-radius:50%;background:rgba(201,242,77,.12);
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.8);max-width:420px;}
.cta-form-area{position:relative;z-index:2;}
.inline-form{
  display:flex;gap:10px;background:#fff;border-radius:14px;padding:10px;
  box-shadow:0 12px 30px rgba(0,0,0,.2);
}
.inline-form input{
  flex:1;min-width:0;border:1px solid transparent;border-radius:10px;
  padding:12px 14px;font-size:15px;background:#F4F5F2;outline:none;
  transition:border-color .2s ease,background .2s ease;
}
.inline-form input::placeholder{color:#9AA69E;}
.inline-form input:focus{border-color:var(--lime);background:#fff;}
.inline-form input.is-error{border-color:var(--orange);}
.inline-form .btn{white-space:nowrap;}
.form-msg{font-size:13px;margin-top:10px;min-height:18px;color:var(--lime);}
.form-msg.error{color:#FFB08A;}
.form-tip{font-size:12.5px;color:rgba(255,255,255,.66);margin-top:6px;}

/* ---------- 分类入口 ---------- */
.cat-links{display:flex;flex-wrap:wrap;gap:12px;}
.cat-links a{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:11px 20px;font-size:14px;font-weight:600;color:var(--green-900);
  transition:border-color .2s ease,background .2s ease,transform .15s ease;
}
.cat-links a:hover{border-color:var(--lime);background:var(--soft);transform:translateY(-1px);}
.cat-links a i{font-size:12px;color:var(--orange);}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--green-900);color:rgba(255,255,255,.76);
  padding:64px 0 26px;margin-top:20px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--lime);}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo-mark{background:var(--lime);color:var(--green-900);}
.footer-brand .lt-1{color:#fff;}
.footer-brand .lt-2{color:rgba(255,255,255,.62);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.66);margin-top:16px;max-width:330px;line-height:1.8;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-col a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin-bottom:11px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--lime);margin-top:4px;font-size:13px;}
.seal{
  position:absolute;right:40px;top:62px;
  border:2px solid var(--lime);color:var(--lime);
  padding:9px 11px;border-radius:6px;
  font-size:12px;line-height:1.4;text-align:center;letter-spacing:1px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  margin-top:44px;padding-top:20px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
  .steps{grid-template-columns:repeat(3,1fr);}
  .seal{display:none;}
}
@media (max-width:960px){
  :root{--hdr:64px;}
  .burger{display:grid;}
  .nav-pill{display:none;}
  .main-nav{
    position:fixed;top:var(--hdr);left:0;right:0;bottom:0;
    background:#fff;flex-direction:column;justify-content:flex-start;align-items:stretch;
    gap:0;padding:14px 20px 110px;overflow-y:auto;
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
    box-shadow:0 20px 40px rgba(12,42,34,.14);
  }
  .main-nav a{
    padding:16px 14px;font-size:17px;border-radius:0;
    border-bottom:1px solid var(--line);color:var(--text);
  }
  .main-nav a::after{display:none;}
  .main-nav a.active{color:var(--green-900);background:var(--lime-soft);}
  .main-nav a.active::before{
    content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;
    border-radius:0 4px 4px 0;background:var(--lime);
  }
  body.nav-open .main-nav{transform:none;opacity:1;visibility:visible;}
  body.nav-open .drawer-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:64px;background:var(--green-900);color:#fff;
    align-items:center;justify-content:center;font-weight:700;font-size:16px;
    box-shadow:0 -8px 24px rgba(12,42,34,.2);
  }
  .hero-cat h1{font-size:32px;}
  .hero-stats{gap:22px;}
  .media-row,.media-row.reverse{grid-template-columns:1fr;gap:26px;}
  .media-row.reverse .media-figure{order:2;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
  .section{padding:56px 0;}
  .cta-wrap{padding-bottom:56px;}
}
@media (max-width:768px){
  body{font-size:15px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .hero-cat{padding:44px 0 42px;}
  .hero-cat h1{font-size:27px;}
  .hero-cat .sub{font-size:15px;margin:14px 0 22px;}
  .steps{grid-template-columns:1fr 1fr;gap:14px;}
  .qa summary{padding:16px 16px;font-size:16px;gap:12px;}
  .qa-body{padding:0 16px 18px 16px;}
  .notice-band{flex-direction:column;gap:16px;padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .steps{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:18px;}
  .hs-num{font-size:22px;}
  .inline-form{flex-direction:column;padding:12px;}
  .inline-form .btn{width:100%;}
  .section-head.row{flex-direction:column;align-items:flex-start;}
  .cat-links a{width:100%;}
  .cta-band{padding:28px 20px;border-radius:18px;}
}

/* roulang page: category4 */
:root{
  --ink:#0C2A22;
  --ink-2:#123A2E;
  --lime:#C9F24D;
  --orange:#FF6A2B;
  --orange-d:#E85A1E;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --soft:#EEF3EC;
  --text:#1C2320;
  --text-2:#5C6A62;
  --line:#E4E7E0;
  --ok:#2FA96B;
  --warn:#E4B33C;
  --disabled:#C6CCC7;
  --r-card:14px;
  --r-btn:10px;
  --r-img:18px;
  --shadow:0 8px 24px rgba(12,42,34,.08);
  --shadow-h:0 14px 32px rgba(12,42,34,.14);
  --max:1200px;
  --mono:"Roboto Mono","DIN Alternate",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(12,42,34,.07);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:74px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--ink),var(--ink-2));
  color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;box-shadow:0 4px 12px rgba(12,42,34,.22);
}
.logo-text{display:flex;flex-direction:column;line-height:1.05;}
.lt-1{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.lt-2{font-size:11px;color:var(--text-2);letter-spacing:1.6px;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:12px;flex:1;}
.main-nav a{
  position:relative;font-size:15px;color:var(--text-2);
  padding:8px 2px;transition:color .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:700;}
.main-nav a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  transition:background .2s ease,color .2s ease;
}
.icon-btn:hover{background:var(--soft);color:var(--ink-2);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.28);}
.btn-primary:hover{background:var(--orange-d);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--lime);background:#F3FAE2;}
.btn-ghost:active{transform:translateY(1px);}
.nav-pill{border-radius:999px;height:42px;padding:0 20px;}
.burger{display:none;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  padding:24px 22px 100px;
  transform:translateX(100%);transition:transform .3s ease;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:15px 4px;font-size:17px;color:var(--text);border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a.active{color:var(--ink);font-weight:700;}
.drawer-nav a.active::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);}
.drawer-cta{
  position:fixed;left:0;right:0;bottom:0;padding:14px 22px 20px;background:#fff;
  border-top:1px solid var(--line);
}
.drawer-cta .btn{width:100%;}
body.locked{overflow:hidden;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  min-height:360px;
  display:flex;align-items:center;
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,42,34,.92) 0%,rgba(12,42,34,.74) 48%,rgba(12,42,34,.42) 100%);
}
.hero-inner{position:relative;z-index:2;padding:64px 0 60px;max-width:720px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(201,242,77,.14);border:1px solid rgba(201,242,77,.42);
  color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.4px;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:40px;line-height:1.28;color:#fff;font-weight:800;letter-spacing:.2px;
}
.page-hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{
  margin-top:16px;color:rgba(255,255,255,.82);font-size:16px;line-height:1.8;max-width:600px;
}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;}
.btn-outline-w{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);}
.btn-outline-w:hover{border-color:var(--lime);color:var(--lime);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--soft);border-bottom:1px solid var(--line);}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-2);padding:13px 0;
}
.crumb a:hover{color:var(--ink);text-decoration:underline;}
.crumb .sep{color:#B6BEB8;}
.crumb .now{color:var(--ink);font-weight:700;}

/* ---------- 主布局 ---------- */
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:36px;
  align-items:start;
  padding:52px 0 8px;
}
.section-head{margin-bottom:22px;}
.section-head h2{font-size:28px;color:var(--ink);font-weight:800;letter-spacing:.2px;}
.section-head p{margin-top:8px;color:var(--text-2);font-size:15px;}

/* 筛选 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.chip{
  padding:8px 16px;border-radius:999px;font-size:14px;
  background:#fff;border:1px solid var(--line);color:var(--text-2);
  transition:all .2s ease;
}
.chip:hover{border-color:var(--lime);color:var(--ink);}
.chip.active{background:var(--ink);border-color:var(--ink);color:var(--lime);font-weight:700;}

/* 规则卡片流 */
.rule-list{display:flex;flex-direction:column;gap:18px;}
.rule-card{
  display:grid;grid-template-columns:190px minmax(0,1fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rule-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:#D7E0D4;}
.rule-thumb{position:relative;aspect-ratio:4/3;height:100%;overflow:hidden;background:var(--soft);}
.rule-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rule-card:hover .rule-thumb img{transform:scale(1.04);}
.rule-body{padding:22px 24px;display:flex;flex-direction:column;gap:10px;}
.rule-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.3px;
}
.badge-lime{background:rgba(201,242,77,.24);color:#3D5A11;}
.badge-ink{background:var(--ink);color:var(--lime);}
.badge-soft{background:var(--soft);color:var(--text-2);}
.badge-warn{background:rgba(228,179,60,.18);color:#8A6516;}
.rule-body h3{font-size:20px;color:var(--ink);font-weight:700;line-height:1.45;}
.rule-body p{font-size:15px;color:var(--text-2);}
.rule-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:8px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-2);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:700;font-size:14px;
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* 要点块 */
.notes{
  margin-top:34px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 26px 22px;box-shadow:var(--shadow);
}
.notes h2{font-size:24px;color:var(--ink);margin-bottom:14px;}
.notes ul{display:grid;gap:12px;}
.notes li{
  display:flex;gap:12px;font-size:15px;color:var(--text-2);
  padding-left:2px;
}
.notes li i{color:var(--ok);margin-top:5px;font-size:13px;}
.notes li b{color:var(--ink);font-weight:700;}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{
  font-size:16px;color:var(--ink);font-weight:800;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3 span{display:inline-block;width:4px;height:15px;border-radius:2px;background:var(--lime);}
.quick-list li+li{margin-top:2px;}
.quick-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.quick-list a i{color:var(--text-2);font-size:12px;transition:transform .2s ease,color .2s ease;}
.quick-list a:hover{background:var(--soft);color:var(--ink);}
.quick-list a:hover i{transform:translateX(3px);color:var(--ink);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  padding:6px 13px;border-radius:999px;font-size:13px;
  background:var(--soft);color:var(--text-2);border:1px solid transparent;
  transition:all .2s ease;
}
.tag-cloud a:hover{background:#F3FAE2;border-color:var(--lime);color:var(--ink);}
.pick-item{
  display:grid;grid-template-columns:66px minmax(0,1fr);gap:12px;align-items:center;
  padding:10px 0;border-bottom:1px dashed var(--line);
}
.pick-item:last-child{border-bottom:none;padding-bottom:0;}
.pick-item img{width:66px;height:50px;object-fit:cover;border-radius:10px;background:var(--soft);}
.pick-item h4{font-size:14px;color:var(--ink);font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pick-item span{font-size:12px;color:var(--text-2);font-family:var(--mono);}
.pick-item:hover h4{color:var(--ink-2);text-decoration:underline;}

/* ---------- FAQ ---------- */
.faq-section{padding:64px 0 0;}
.faq-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);
}
.faq-list details{border-bottom:1px solid var(--line);}
.faq-list details:last-child{border-bottom:none;}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);
  transition:background .2s ease;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary:hover{background:#FAFBF7;}
.faq-list summary .pm{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--soft);
  display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:12px;
  transition:background .2s ease,color .2s ease;
}
.faq-list details[open] summary{background:#FAFBF7;}
.faq-list details[open] summary .pm{background:var(--lime);color:var(--ink);}
.faq-answer{
  padding:0 24px 22px 27px;font-size:15px;color:var(--text-2);
  border-left:3px solid var(--lime);margin-left:0;
}
.faq-list details[open] .faq-answer{animation:fade .25s ease;}
@keyframes fade{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:64px;
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 100%);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.16;
}
.cta-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:36px;align-items:center;padding:58px 0;
}
.cta-inner h2{font-size:28px;color:#fff;font-weight:800;line-height:1.4;}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.78);font-size:15px;max-width:460px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1;min-width:200px;height:48px;border-radius:var(--r-btn);border:1px solid transparent;
  background:#fff;color:var(--text);padding:0 16px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:#9AA69E;}
.cta-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.28);}
.cta-form .btn{height:48px;}
.form-tip{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.62);}
.form-error{margin-top:8px;font-size:13px;color:#FFB08A;display:none;}
.form-error.show{display:block;}
.form-ok{margin-top:10px;font-size:13.5px;color:var(--lime);display:none;}
.form-ok.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;background:var(--ink);color:rgba(255,255,255,.72);
  border-top:1px solid var(--lime);position:relative;
}
.footer-wrap{position:relative;padding:56px 0 28px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;
}
.footer-brand .logo-mark{background:rgba(201,242,77,.16);color:var(--lime);}
.footer-brand .lt-1{color:#fff;}
.footer-brand .lt-2{color:rgba(255,255,255,.55);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:300px;}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-col ul li+li{margin-top:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease;}
.footer-col ul a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.66);}
.footer-contact li+li{margin-top:10px;}
.footer-contact i{color:var(--lime);margin-top:4px;font-size:13px;}
.seal{
  position:absolute;top:52px;right:20px;
  width:64px;height:64px;border:1px solid rgba(201,242,77,.5);border-radius:6px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:11px;line-height:1.35;color:var(--lime);letter-spacing:.5px;
  transform:rotate(6deg);
}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .layout{grid-template-columns:minmax(0,1fr) 292px;gap:26px;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:960px){
  .main-nav{display:none;}
  .burger{display:flex;}
  .nav-pill{display:none;}
  .layout{grid-template-columns:1fr;padding-top:40px;}
  .sidebar{position:static;}
  .page-hero h1{font-size:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .seal{display:none;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .nav-wrap{height:66px;gap:12px;}
  .lt-1{font-size:15px;}
  .page-hero{min-height:300px;}
  .hero-inner{padding:48px 0 46px;}
  .page-hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{flex:1;min-width:140px;}
  .section-head h2{font-size:23px;}
  .rule-card{grid-template-columns:1fr;}
  .rule-thumb{aspect-ratio:16/9;}
  .rule-body{padding:18px;}
  .rule-body h3{font-size:18px;}
  .notes{padding:20px;}
  .notes h2{font-size:20px;}
  .faq-section{padding-top:48px;}
  .faq-list summary{padding:16px 18px;font-size:15px;}
  .faq-answer{padding:0 18px 18px 21px;}
  .cta-band{margin-top:48px;}
  .cta-inner{padding:44px 0;}
  .cta-inner h2{font-size:22px;}
  .cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}