/* roulang page: index */
:root{
  --green:#1F8A5B;
  --green-dark:#156742;
  --lime:#D6F84B;
  --ink:#161A18;
  --paper:#F5F1E8;
  --white:#FFFFFF;
  --orange:#E4572E;
  --text:#161A18;
  --text-sub:#5C6B62;
  --text-weak:#8B978F;
  --border:#E2DCD0;
  --empty:#EDE8DC;
  --radius:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(22,26,24,.06);
  --shadow-2:0 10px 24px rgba(22,26,24,.10);
  --container:1200px;
  --gap-section:88px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--gap-section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-title{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.2px;position:relative;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--lime);}
.section-desc{color:var(--text-sub);font-size:15px;max-width:620px;margin-top:10px;padding-left:16px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--green);letter-spacing:.06em;text-transform:uppercase;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--green);border-radius:2px;}
.mono{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 2px 0 rgba(22,26,24,.12);}
.btn-primary:hover{background:#e2ff5e;box-shadow:0 8px 18px rgba(22,26,24,.18);transform:translateY(-1px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#242a26;box-shadow:var(--shadow-2);transform:translateY(-1px);}
.btn-ghost{border-color:var(--green);color:var(--green-dark);background:transparent;}
.btn-ghost:hover{background:rgba(31,138,91,.08);transform:translateY(-1px);}
.btn-ghost-light{border-color:rgba(255,255,255,.35);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:500;font-size:15px;color:var(--green-dark);}
.link-arrow span{transition:transform .18s ease;}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,241,232,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(22,26,24,.08);background:rgba(245,241,232,.98);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px;transition:height .2s ease;}
.site-header.is-scrolled .nav-wrap{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--green) 0%,var(--green-dark) 100%);
  position:relative;overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,transparent 0 5px,rgba(214,248,75,.55) 5px 7px);
  opacity:.85;
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.2px;line-height:1.2;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-links a{
  position:relative;padding:9px 12px;border-radius:8px;
  font-size:15px;color:var(--text-sub);font-weight:500;
  transition:color .18s ease,background-color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(31,138,91,.06);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);font-weight:700;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--border);
  background:var(--white);font-size:14px;font-weight:500;
}
.nav-toggle .bars{width:18px;height:12px;position:relative;display:inline-block;}
.nav-toggle .bars::before,.nav-toggle .bars::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle .bars::before{top:0;}
.nav-toggle .bars::after{bottom:0;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,26,24,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:100;
  background:var(--paper);border-left:1px solid var(--border);
  padding:20px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:var(--white);font-size:16px;}
.drawer a.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;font-size:16px;font-weight:500;
  color:var(--text-sub);border:1px solid transparent;
}
.drawer a.drawer-link:hover{background:var(--white);border-color:var(--border);color:var(--ink);}
.drawer a.drawer-link.active{background:var(--white);border-color:var(--green);color:var(--ink);font-weight:700;}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:auto;padding-top:20px;border-top:1px solid var(--border);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:repeating-linear-gradient(45deg,rgba(31,138,91,.05) 0 12px,transparent 12px 26px);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(31,138,91,.10);color:var(--green-dark);
  font-size:13px;font-weight:500;border:1px solid rgba(31,138,91,.22);
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);}
.hero h1{
  font-size:42px;line-height:1.22;font-weight:700;letter-spacing:-.8px;margin:20px 0 18px;
}
.hero h1 em{
  font-style:normal;position:relative;white-space:nowrap;
}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:10px;
  background:var(--lime);opacity:.55;border-radius:2px;z-index:-1;
}
.hero-sub{font-size:17px;color:var(--text-sub);max-width:520px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:44px;padding-top:28px;border-top:1px solid var(--border);
}
.hero-stats .stat strong{
  display:block;font-size:32px;font-weight:700;line-height:1.1;letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;position:relative;padding-bottom:8px;
}
.hero-stats .stat strong::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:3px;border-radius:2px;background:var(--lime);}
.hero-stats .stat span{display:block;font-size:13px;color:var(--text-weak);margin-top:8px;}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  min-height:420px;box-shadow:var(--shadow-2);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border:1px solid rgba(22,26,24,.10);
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(255deg,rgba(21,103,66,.90) 0%,rgba(22,26,24,.55) 45%,rgba(22,26,24,.05) 100%);
}
.hero-ticket{
  position:absolute;left:22px;bottom:22px;right:22px;z-index:2;
  background:rgba(245,241,232,.95);border-radius:var(--radius);
  padding:16px 18px;border:1px solid rgba(255,255,255,.55);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  box-shadow:var(--shadow-1);
}
.hero-ticket .tk-label{font-size:12px;color:var(--text-weak);letter-spacing:.08em;}
.hero-ticket .tk-main{font-size:16px;font-weight:700;line-height:1.4;}
.hero-ticket .tk-score{
  font-variant-numeric:tabular-nums;font-size:20px;font-weight:700;color:var(--green-dark);
  background:rgba(31,138,91,.10);border-radius:10px;padding:6px 12px;white-space:nowrap;
}

/* ---------- 功能分组 zigzag ---------- */
.feature-group{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:44px 0;border-top:1px solid var(--border);
}
.feature-group:last-child{border-bottom:1px solid var(--border);}
.feature-group.reverse .fg-text{order:2;}
.feature-group.reverse .fg-media{order:1;}
.fg-index{
  font-size:52px;font-weight:700;line-height:1;letter-spacing:-2px;
  color:transparent;-webkit-text-stroke:1.5px rgba(31,138,91,.55);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.fg-title{font-size:22px;font-weight:700;margin-bottom:12px;}
.fg-desc{color:var(--text-sub);font-size:15px;line-height:1.85;max-width:520px;}
.fg-list{margin-top:20px;display:grid;gap:10px;}
.fg-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text);}
.fg-list li::before{
  content:"✓";flex:0 0 auto;width:20px;height:20px;border-radius:6px;margin-top:3px;
  background:rgba(31,138,91,.12);color:var(--green-dark);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.fg-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-1);transition:box-shadow .25s ease,border-color .25s ease;}
.fg-media:hover{box-shadow:var(--shadow-2);border-color:rgba(31,138,91,.30);}
.fg-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.fg-media:hover img{transform:scale(1.02);}

/* ---------- 使用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.scene-card{
  position:relative;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(31,138,91,.30);}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.scene-card .sc-body{padding:18px 20px 22px;}
.scene-card h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.scene-card p{font-size:14px;color:var(--text-sub);line-height:1.7;}
.scene-card .sc-tag{
  position:absolute;top:12px;right:12px;padding:3px 10px;border-radius:999px;
  background:var(--orange);color:#fff;font-size:11px;font-weight:700;letter-spacing:.04em;
}

/* ---------- 数据 / 案例 ---------- */
.proof-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;}
.proof-card{
  border-radius:var(--radius-lg);padding:30px 28px;border:1px solid var(--border);
  background:var(--white);box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.proof-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.proof-card.dark{background:var(--ink);color:#fff;border-color:var(--ink);}
.proof-card.dark .pc-quote{color:#fff;}
.proof-card.dark .pc-person{color:#D6F84B;}
.proof-card.dark .pc-label{color:rgba(255,255,255,.62);}
.pc-quote{font-size:19px;line-height:1.7;font-weight:500;margin-bottom:22px;}
.pc-person{font-size:14px;color:var(--green-dark);font-weight:700;}
.proof-card .pc-metrics{display:flex;gap:28px;margin-top:auto;padding-top:24px;}
.pc-metrics div strong{display:block;font-size:26px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;}
.pc-metrics div span{font-size:13px;color:var(--text-weak);}
.proof-card.dark .pc-metrics div span{color:rgba(255,255,255,.62);}
.proof-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.proof-card .pc-text{font-size:14px;color:var(--text-sub);line-height:1.8;}
.pc-label{font-size:12px;letter-spacing:.08em;color:var(--text-weak);margin-bottom:14px;}

/* ---------- 价格通行证 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  position:relative;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 26px 26px 34px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.price-card::before{
  content:"";position:absolute;left:16px;top:26px;bottom:26px;width:0;
  border-left:2px dotted var(--border);
}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.price-card.featured{border-color:var(--green);box-shadow:0 8px 26px rgba(31,138,91,.14);}
.price-card.featured::before{border-left-color:rgba(31,138,91,.45);}
.pc-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.price-name{font-size:18px;font-weight:700;}
.price-badge{
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
  background:rgba(31,138,91,.12);color:var(--green-dark);white-space:nowrap;
}
.price-num{display:flex;align-items:baseline;gap:6px;margin-bottom:6px;}
.price-num strong{font-size:38px;font-weight:700;line-height:1;letter-spacing:-1px;font-variant-numeric:tabular-nums;}
.price-num span{font-size:14px;color:var(--text-weak);}
.price-note{font-size:13px;color:var(--text-weak);margin-bottom:22px;}
.price-features{display:grid;gap:12px;margin-bottom:26px;}
.price-features li{display:flex;gap:10px;font-size:15px;color:var(--text-sub);line-height:1.6;}
.price-features li::before{content:"—";color:var(--green);flex:0 0 auto;font-weight:700;}
.price-card .btn{margin-top:auto;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  overflow:hidden;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(31,138,91,.30);}
.news-card-link{display:flex;flex-direction:column;height:100%;padding:24px;gap:12px;}
.badge-cat{
  align-self:flex-start;font-size:12px;font-weight:500;
  background:rgba(31,138,91,.10);color:var(--green-dark);
  padding:4px 12px;border-radius:999px;
}
.news-card h3{
  font-size:17px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;color:var(--text-sub);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--border);
  font-size:13px;color:var(--text-weak);font-variant-numeric:tabular-nums;
}
.news-meta .read-more{color:var(--green-dark);font-weight:500;transition:transform .18s ease;}
.news-card:hover .read-more{transform:translateX(3px);}
.empty-state{
  grid-column:1/-1;padding:52px 24px;text-align:center;
  border:1px dashed var(--border);border-radius:var(--radius);background:var(--empty);
  color:var(--text-sub);font-size:15px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(31,138,91,.45);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:500;line-height:1.6;
  position:relative;
}
.faq-item.open .faq-q{font-weight:700;}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 2px 2px 0;
  background:var(--lime);opacity:0;transition:opacity .18s ease;
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--text-sub);transition:transform .18s ease,background-color .18s ease,color .18s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--green);color:#fff;border-color:var(--green);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--text-sub);line-height:1.85;}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  background:var(--ink);color:#fff;position:relative;overflow:hidden;
  border-radius:var(--radius-lg);padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:repeating-linear-gradient(45deg,var(--lime) 0 14px,transparent 14px 28px);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(214,248,75,.20);
}
.cta-band h2{font-size:26px;font-weight:700;line-height:1.4;margin-bottom:10px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.72);max-width:560px;}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;position:relative;margin-top:var(--gap-section);padding:72px 0 0;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:repeating-linear-gradient(45deg,var(--green) 0 16px,var(--lime) 16px 32px);
  opacity:.85;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:52px;}
.footer-brand .brand-text{font-size:18px;color:#fff;}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.85;margin-top:16px;max-width:320px;}
.footer-brand .f-contact{margin-top:18px;display:grid;gap:6px;font-size:13px;color:rgba(255,255,255,.55);}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:18px;color:#fff;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .18s ease;}
.footer-col a:hover{color:var(--lime);}
.footer-col li span{font-size:14px;color:rgba(255,255,255,.66);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .nav-links a{padding:9px 9px;font-size:14px;}
  .proof-grid{grid-template-columns:1fr 1fr;}
  .proof-card.dark{grid-column:1/-1;}
}
@media (max-width:1024px){
  :root{--gap-section:72px;}
  .nav-links{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap{gap:16px;}
  .nav-actions{margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{min-height:320px;}
  .hero h1{font-size:34px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .price-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--gap-section:56px;}
  .container{padding:0 16px;}
  .hero{padding:40px 0 48px;}
  .hero h1{font-size:28px;letter-spacing:-.4px;}
  .hero-sub{font-size:15px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px 20px;}
  .hero-stats .stat strong{font-size:26px;}
  .feature-group{grid-template-columns:1fr;gap:24px;padding:32px 0;}
  .feature-group.reverse .fg-text{order:1;}
  .feature-group.reverse .fg-media{order:2;}
  .fg-index{font-size:40px;}
  .section-title{font-size:23px;}
  .proof-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 24px;}
  .cta-band h2{font-size:22px;}
  .site-footer{padding-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .scene-grid{grid-template-columns:1fr;}
  .brand-text{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-ticket{flex-wrap:wrap;gap:10px;}
  .price-card{padding:26px 20px 22px 30px;}
}

/* roulang page: article */
:root{
  --green:#1F8A5B;
  --green-dark:#166B46;
  --green-soft:rgba(31,138,91,.08);
  --lime:#D6F84B;
  --ink:#161A18;
  --paper:#F5F1E8;
  --white:#FFFFFF;
  --sub:#5C6B62;
  --weak:#8B978F;
  --line:#E2DCD0;
  --empty:#EDE8DC;
  --red:#E4572E;
  --radius:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(22,26,24,.06);
  --shadow-2:0 10px 24px rgba(22,26,24,.10);
  --container:1200px;
  --gap-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--green);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--green-dark);}
button{font:inherit;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.num{font-variant-numeric:tabular-nums;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(245,241,232,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
  transition:box-shadow .22s ease,background .22s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.98);
  box-shadow:var(--shadow-2);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
  transition:height .22s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:18px;
  letter-spacing:.2px;
  color:var(--ink);
  white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:26px;
  height:26px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--green) 0%,var(--green-dark) 100%);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:7px 6px;
  border-left:2px solid var(--lime);
  border-bottom:2px solid var(--lime);
  transform:rotate(-45deg);
  border-radius:1px;
}
.brand-text{display:inline-block;}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:12px;
  flex:1 1 auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--sub);
  font-weight:500;
  padding:6px 0;
  line-height:1.4;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--lime);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);font-weight:700;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  text-align:center;
  line-height:1;
}
.btn-primary{
  background:var(--lime);
  color:var(--ink);
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{
  color:var(--ink);
  transform:translateY(-1px);
  box-shadow:0 8px 18px rgba(22,26,24,.18);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{
  background:transparent;
  color:var(--green-dark);
  border-color:rgba(31,138,91,.55);
}
.btn-ghost:hover{
  background:var(--green-soft);
  color:var(--green-dark);
  border-color:var(--green);
}
.btn-dark{
  background:var(--ink);
  color:#fff;
}
.btn-dark:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--green-dark);
}
.link-arrow span.arrow{transition:transform .18s ease;display:inline-block;}
.link-arrow:hover span.arrow{transform:translateX(3px);}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  background:var(--white);
  border-radius:12px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  flex:0 0 auto;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--ink);
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(22,26,24,.45);
  opacity:0;
  pointer-events:none;
  transition:opacity .22s ease;
  z-index:95;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(84vw,340px);
  background:var(--white);
  z-index:96;
  transform:translateX(100%);
  transition:transform .26s ease;
  display:flex;
  flex-direction:column;
  padding:20px;
  gap:8px;
  box-shadow:-12px 0 30px rgba(22,26,24,.14);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--paper);cursor:pointer;font-size:18px;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  padding:13px 12px;
  border-radius:10px;
  color:var(--sub);
  font-size:15px;
  font-weight:500;
}
.drawer-nav a:hover{background:var(--green-soft);color:var(--green-dark);}
.drawer-nav a.active{background:var(--green-soft);color:var(--green-dark);font-weight:700;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:16px;}

/* ============ Article top bar ============ */
.article-topbar{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  position:relative;
}
.article-topbar::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:6px;
  background:repeating-linear-gradient(135deg,var(--lime) 0 12px,transparent 12px 24px);
  opacity:.5;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0 20px;
  flex-wrap:wrap;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  flex-wrap:wrap;
  min-width:0;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:rgba(255,255,255,.35);}
.breadcrumb .current{
  color:#fff;
  max-width:340px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  display:inline-block;
  vertical-align:bottom;
}
.topbar-back{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:700;
  color:var(--lime);
  white-space:nowrap;
}
.topbar-back:hover{color:#fff;}

/* ============ Article layout ============ */
.article-section{
  padding:56px 0 var(--gap-section);
}
.article-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}
.article-main{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:40px 44px 44px;
  min-width:0;
}
.article-head{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:28px;}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--green-soft);
  color:var(--green-dark);
  font-size:12px;
  font-weight:700;
  letter-spacing:.3px;
}
.badge-red{
  background:rgba(228,87,46,.10);
  color:var(--red);
}
.article-head h1{
  font-size:36px;
  line-height:1.28;
  font-weight:700;
  margin:16px 0 18px;
  letter-spacing:-.2px;
  word-break:break-word;
}
.article-meta{
  display:flex;
  align-items:center;
  gap:10px 18px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--weak);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .dot{
  width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;
}
.article-meta .num{color:var(--sub);font-weight:500;}

/* ============ Article body ============ */
.article-body{
  font-size:16px;
  line-height:1.85;
  color:#232A26;
  max-width:760px;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:28px;
  line-height:1.4;
  font-weight:700;
  margin:32px 0 16px;
  padding-left:16px;
  color:var(--ink);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  bottom:.28em;
  width:4px;
  border-radius:2px;
  background:var(--lime);
}
.article-body h3{
  font-size:20px;
  line-height:1.5;
  font-weight:700;
  margin:26px 0 12px;
  color:var(--ink);
}
.article-body h4{
  font-size:17px;
  font-weight:700;
  margin:22px 0 10px;
}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--green-dark);}
.article-body img{
  width:100%;
  height:auto;
  border-radius:var(--radius);
  margin:24px 0 12px;
  box-shadow:var(--shadow-1);
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--weak);
  margin-top:10px;
  text-align:center;
}
.article-body ul,
.article-body ol{
  margin:0 0 1.2em;
  padding-left:1.4em;
}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:8px 0;padding-left:4px;}
.article-body blockquote{
  margin:26px 0;
  padding:16px 20px;
  background:var(--paper);
  border-left:3px solid var(--green);
  border-radius:0 12px 12px 0;
  color:var(--sub);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:14px;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.article-body th{background:var(--empty);font-weight:700;}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{
  border:0;
  border-top:1px solid var(--line);
  margin:32px 0;
}
.article-body code{
  background:var(--empty);
  padding:2px 6px;
  border-radius:6px;
  font-size:14px;
}
.empty-state{
  padding:56px 24px;
  text-align:center;
  border:1px dashed var(--line);
  border-radius:var(--radius);
  background:var(--empty);
}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--sub);margin-bottom:20px;font-size:14px;}

/* ============ Sidebar ============ */
.article-side{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
  min-width:0;
}
.side-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";
  width:6px;height:6px;border-radius:2px;background:var(--green);
  transform:rotate(45deg);
  flex:0 0 auto;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;
  font-size:13.5px;
  color:var(--sub);
  padding:7px 10px;
  border-radius:8px;
  border-left:2px solid transparent;
  line-height:1.5;
}
.toc-list a:hover{background:var(--green-soft);color:var(--green-dark);border-left-color:var(--green);}
.toc-list a.is-active{
  background:var(--green-soft);
  color:var(--green-dark);
  border-left-color:var(--lime);
  font-weight:700;
}
.side-actions{display:flex;flex-direction:column;gap:10px;}
.side-actions .btn{height:44px;font-size:14px;}
.side-links{display:flex;flex-direction:column;}
.side-links li{
  border-bottom:1px solid var(--line);
  padding:12px 0;
  font-size:13.5px;
  line-height:1.55;
}
.side-links li:last-child{border-bottom:0;padding-bottom:0;}
.side-links li:first-child{padding-top:0;}
.side-links a{color:var(--sub);font-weight:500;}
.side-links a:hover{color:var(--green-dark);}
.side-links .date{display:block;font-size:12px;color:var(--weak);margin-top:4px;font-variant-numeric:tabular-nums;}

/* ============ Related ============ */
.related-section{
  padding:0 0 var(--gap-section);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:28px;
  line-height:1.35;
  font-weight:700;
}
.section-head p{
  font-size:14px;
  color:var(--sub);
  margin-top:8px;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:rgba(31,138,91,.3);
}
.post-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--empty);
}
.post-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.post-card:hover .post-thumb img{transform:scale(1.02);}
.post-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.post-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.post-body h3{
  font-size:18px;
  line-height:1.5;
  font-weight:700;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-body h3 a{color:var(--ink);}
.post-body h3 a:hover{color:var(--green-dark);}
.post-body p{
  font-size:14px;
  color:var(--sub);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:6px;
}
.post-date{font-size:12.5px;color:var(--weak);font-variant-numeric:tabular-nums;}

/* ============ Back band ============ */
.back-band{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:var(--gap-section);
}
.back-band h3{font-size:20px;font-weight:700;}
.back-band p{font-size:14px;color:var(--sub);margin-top:6px;}

/* ============ Footer ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  position:relative;
  padding-top:64px;
  margin-top:0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:6px;
  background:repeating-linear-gradient(135deg,var(--lime) 0 14px,transparent 14px 28px);
  opacity:.55;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{color:#fff;font-size:18px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand p{
  font-size:13.5px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
  margin-top:16px;
  max-width:340px;
}
.f-contact{margin-top:18px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:rgba(255,255,255,.55);}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.3px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:13.5px;
  color:rgba(255,255,255,.66);
}
.footer-col a:hover{color:var(--lime);}
.footer-col span{font-size:13.5px;color:rgba(255,255,255,.55);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(255,255,255,.5);
}

/* ============ Responsive ============ */
@media (max-width:1180px){
  .nav-links{gap:18px;}
  .nav-links a{font-size:14px;}
}
@media (max-width:1024px){
  :root{--gap-section:64px;}
  .nav-links,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .header-inner{height:64px;}
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:28px;}
  .article-side{position:static;top:auto;}
  .article-main{padding:32px 28px 34px;}
  .article-head h1{font-size:30px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--gap-section:56px;}
  .container{padding:0 16px;}
  .article-section{padding:32px 0 var(--gap-section);}
  .article-main{padding:26px 20px 28px;border-radius:var(--radius);}
  .article-head h1{font-size:26px;margin:14px 0 14px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:23px;padding-left:14px;}
  .article-body h3{font-size:18px;}
  .topbar-inner{padding:18px 0 16px;}
  .breadcrumb .current{max-width:180px;}
  .section-head h2{font-size:23px;}
  .back-band{padding:22px;border-radius:var(--radius);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:none;}
}
@media (max-width:520px){
  .brand{font-size:16px;}
  .brand-mark{width:23px;height:23px;border-radius:7px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .article-head h1{font-size:23px;line-height:1.35;}
  .article-meta{font-size:12.5px;gap:8px 12px;}
  .btn{height:44px;padding:0 20px;font-size:14px;}
  .article-body h2{font-size:21px;}
  .back-band{flex-direction:column;align-items:flex-start;}
  .back-band .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --green:#1F8A5B;
  --green-dark:#166142;
  --green-soft:#E6F2EB;
  --lime:#D6F84B;
  --accent:#E4572E;
  --ink:#161A18;
  --paper:#F5F1E8;
  --white:#FFFFFF;
  --muted:#5C6B62;
  --weak:#8B978F;
  --line:#E2DCD0;
  --empty:#EDE8DC;
  --radius:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(22,26,24,.06);
  --shadow-2:0 10px 24px rgba(22,26,24,.10);
  --space-section:88px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,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:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 品牌 ---------- */
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.2px;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;position:relative;overflow:hidden;flex:0 0 auto;
  background:linear-gradient(135deg,var(--green) 0 55%,var(--lime) 55% 100%);
  box-shadow:inset 0 0 0 1px rgba(22,26,24,.12);
}
.brand-mark::after{
  content:"";position:absolute;right:-6px;top:-6px;width:16px;height:16px;
  background:rgba(22,26,24,.18);transform:rotate(45deg);
}
.brand-text{font-size:17px;line-height:1.2;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;font-weight:700;font-size:15px;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;border:1px solid transparent;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 1px 2px rgba(22,26,24,.10);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(22,26,24,.18);background:#E1FF63;}
.btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(22,26,24,.14);}
.btn-outline{background:transparent;color:var(--green-dark);border-color:var(--green);}
.btn-outline:hover{background:rgba(31,138,91,.08);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--green-dark);
  border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color .18s ease,color .18s ease;
}
.btn-ghost .arrow{transition:transform .18s ease;}
.btn-ghost:hover{border-bottom-color:var(--green);}
.btn-ghost:hover .arrow{transform:translateX(3px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,241,232,.94);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(22,26,24,.08);background:rgba(255,255,255,.96);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s ease;}
.site-header.scrolled .header-inner{height:64px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nav-links a{
  position:relative;padding:8px 12px;border-radius:8px;font-size:15px;color:var(--muted);
  transition:color .18s ease,background-color .18s ease;line-height:1.4;min-height:40px;display:inline-flex;align-items:center;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(31,138,91,.06);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);font-weight:700;}
.nav-links a.active::after{transform:scaleX(1);background:var(--green);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--white);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,26,24,.48);z-index:80;
  opacity:0;transition:opacity .24s ease;
}
.drawer-mask.show{opacity:1;}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:86vw;z-index:90;
  background:var(--white);box-shadow:-10px 0 30px rgba(22,26,24,.16);
  transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;padding:20px 22px 26px;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  font-size:22px;line-height:1;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);
}
.drawer-close:hover{background:var(--empty);}
.drawer-links{display:flex;flex-direction:column;gap:4px;padding:18px 0;flex:1 1 auto;}
.drawer-links a{
  padding:12px 14px;border-radius:10px;font-size:16px;color:var(--muted);
  display:flex;align-items:center;justify-content:space-between;min-height:44px;
}
.drawer-links a::after{content:"→";opacity:.35;font-size:14px;}
.drawer-links a.active{background:var(--green-soft);color:var(--green-dark);font-weight:700;}
.drawer-links a:hover{background:rgba(31,138,91,.08);color:var(--ink);}
.drawer-actions{display:flex;flex-direction:column;gap:10px;}

/* ---------- 面包屑与横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;color:#fff;
  background:
    linear-gradient(100deg,rgba(11,34,25,.92) 0%,rgba(11,34,25,.78) 55%,rgba(11,34,25,.62) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:44px 0 76px;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:6px;
  background:repeating-linear-gradient(135deg,var(--lime) 0 14px,transparent 14px 28px);
  opacity:.85;
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.74);flex-wrap:wrap;}
.crumbs a{color:rgba(255,255,255,.86);}
.crumbs a:hover{color:var(--lime);}
.crumbs .sep{opacity:.55;}
.banner-title{
  margin-top:18px;font-size:clamp(28px,4.4vw,44px);line-height:1.2;font-weight:700;letter-spacing:.3px;
  max-width:760px;
}
.banner-title em{font-style:normal;position:relative;white-space:nowrap;}
.banner-title em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;background:var(--lime);opacity:.35;border-radius:4px;z-index:-1;
}
.banner-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.82);max-width:640px;}
.banner-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}
.banner-actions .btn-outline{color:#fff;border-color:rgba(255,255,255,.55);}
.banner-actions .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;}

/* ---------- 数据条 ---------- */
.facts-bar{
  position:relative;z-index:5;margin-top:-40px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:22px 26px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.fact{padding-left:18px;border-left:1px solid var(--line);}
.fact:first-child{border-left:0;padding-left:0;}
.fact-num{font-size:30px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;color:var(--ink);}
.fact-num small{font-size:14px;font-weight:500;color:var(--muted);margin-left:4px;}
.fact-label{margin-top:2px;font-size:13px;color:var(--muted);}
.fact-num::after{content:"";display:block;width:34px;height:3px;border-radius:2px;background:var(--lime);margin-top:6px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0 0;}
.section-head{max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:1.4px;
  color:var(--green-dark);background:var(--green-soft);border-radius:999px;padding:5px 12px;text-transform:uppercase;
}
.section-title{margin-top:14px;font-size:clamp(22px,2.6vw,28px);line-height:1.32;font-weight:700;position:relative;padding-left:14px;}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--lime);}
.section-desc{margin-top:12px;color:var(--muted);font-size:15.5px;}

/* ---------- 指引布局 ---------- */
.guide-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;margin-top:36px;align-items:start;}
.side-nav{
  position:sticky;top:96px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 16px;box-shadow:var(--shadow-1);
}
.side-nav h2{font-size:13px;letter-spacing:1.2px;color:var(--weak);font-weight:700;text-transform:uppercase;}
.side-nav ol{margin-top:12px;display:flex;flex-direction:column;gap:2px;}
.side-nav a{
  display:flex;align-items:center;gap:10px;padding:10px 10px;border-radius:10px;font-size:14.5px;color:var(--muted);
  transition:background-color .18s ease,color .18s ease;min-height:44px;
}
.side-nav a .dot{
  width:22px;height:22px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-variant-numeric:tabular-nums;color:var(--weak);flex:0 0 auto;transition:all .18s ease;
}
.side-nav a:hover{background:rgba(31,138,91,.07);color:var(--ink);}
.side-nav a.active{background:var(--green-soft);color:var(--green-dark);font-weight:700;}
.side-nav a.active .dot{background:var(--green);border-color:var(--green);color:#fff;}
.side-note{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--weak);line-height:1.7;}

/* ---------- 时间轴步骤 ---------- */
.steps{position:relative;display:flex;flex-direction:column;}
.step{position:relative;display:grid;grid-template-columns:52px minmax(0,1fr);gap:20px;padding-bottom:34px;scroll-margin-top:104px;}
.step:last-child{padding-bottom:0;}
.step-marker{position:relative;display:flex;flex-direction:column;align-items:center;}
.step-num{
  width:44px;height:44px;border-radius:50%;border:2px solid var(--green);color:var(--green-dark);
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;background:var(--white);flex:0 0 auto;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.step:hover .step-num{background:var(--green);color:#fff;box-shadow:0 8px 18px rgba(31,138,91,.24);}
.step-marker::after{
  content:"";flex:1 1 auto;width:2px;background:linear-gradient(to bottom,var(--line),rgba(226,220,208,.2));
  margin-top:10px;min-height:24px;
}
.step:last-child .step-marker::after{display:none;}
.step-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.step-card:hover{border-color:rgba(31,138,91,.35);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.step-card h3{font-size:20px;line-height:1.4;font-weight:700;}
.step-card p{margin-top:10px;color:var(--muted);font-size:15.5px;}
.step-keys{margin-top:16px;display:grid;gap:8px;}
.step-keys li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink);}
.step-keys .tick{
  flex:0 0 auto;width:18px;height:18px;border-radius:5px;background:var(--green-soft);color:var(--green-dark);
  font-size:11px;display:inline-flex;align-items:center;justify-content:center;margin-top:4px;font-weight:700;
}
.step-figure{margin-top:18px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:var(--empty);}
.step-figure img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.step-card:hover .step-figure img{transform:scale(1.02);}

/* ---------- 提示条 ---------- */
.alert-band{
  margin-top:28px;display:flex;gap:16px;align-items:flex-start;
  background:var(--white);border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow-1);
}
.alert-band .alert-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:rgba(228,87,46,.12);color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;margin-top:2px;
}
.alert-band h4{font-size:15.5px;font-weight:700;}
.alert-band p{margin-top:4px;font-size:14.5px;color:var(--muted);}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px;}
.check-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.check-card:hover{border-color:rgba(31,138,91,.35);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.check-card .idx{
  font-size:13px;font-weight:700;color:var(--green-dark);background:var(--green-soft);
  border-radius:999px;padding:3px 10px;display:inline-block;font-variant-numeric:tabular-nums;
}
.check-card h3{margin-top:14px;font-size:17px;font-weight:700;}
.check-card p{margin-top:8px;font-size:14.5px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin-top:34px;}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(31,138,91,.45);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:18px 22px;font-size:16px;font-weight:500;position:relative;min-height:56px;transition:background-color .18s ease;
}
.faq-q:hover{background:rgba(31,138,91,.05);}
.faq-item.open .faq-q{font-weight:700;}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 3px 3px 0;background:var(--lime);
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;transition:transform .18s ease,border-color .18s ease,background-color .18s ease;
  position:relative;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--muted);border-radius:2px;}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:transform .18s ease;}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:var(--green);background:var(--green-soft);}
.faq-item.open .faq-icon::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{padding:0 22px 20px 22px;color:var(--muted);font-size:15px;}

/* ---------- 相关分类 ---------- */
.related{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.related a{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;
  border:1px solid var(--line);background:var(--white);font-size:14.5px;font-weight:500;color:var(--ink);
  transition:all .18s ease;min-height:44px;
}
.related a:hover{border-color:var(--green);color:var(--green-dark);background:var(--green-soft);transform:translateY(-1px);}
.related a .arrow{transition:transform .18s ease;color:var(--green);}
.related a:hover .arrow{transform:translateX(3px);}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  margin-top:var(--space-section);background:var(--ink);color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:repeating-linear-gradient(135deg,var(--lime) 0 14px,transparent 14px 28px);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0;}
.cta-inner h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:700;}
.cta-inner p{margin-top:10px;color:rgba(255,255,255,.72);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}
.cta-actions .btn-outline{color:#fff;border-color:rgba(255,255,255,.45);}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;position:relative;margin-top:0;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:repeating-linear-gradient(135deg,var(--lime) 0 14px,transparent 14px 28px);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand .brand-text{color:#fff;font-size:17px;}
.footer-brand p{margin-top:16px;font-size:14.5px;color:rgba(255,255,255,.62);max-width:340px;}
.f-contact{margin-top:18px;display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:rgba(255,255,255,.55);}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.6px;color:#fff;}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.62);transition:color .18s ease;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--space-section:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-outline{display:none;}
  .guide-layout{grid-template-columns:1fr;gap:28px;}
  .side-nav{position:static;}
  .side-nav ol{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .side-nav a{padding:8px 12px;border:1px solid var(--line);border-radius:999px;font-size:13.5px;}
  .side-nav a .dot{display:none;}
  .side-nav a.active{border-color:var(--green);}
  .side-note{display:none;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand p{max-width:none;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .header-inner{height:64px;gap:12px;}
  .header-actions .btn-primary{height:38px;padding:0 16px;font-size:14px;}
  .page-banner{padding:32px 0 68px;}
  .banner-sub{font-size:15px;}
  .facts-bar{grid-template-columns:1fr;padding:18px 20px;gap:14px;margin-top:-34px;}
  .fact{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:12px;}
  .fact:first-child{border-top:0;padding-top:0;}
  .fact-num{font-size:26px;}
  .step{grid-template-columns:40px minmax(0,1fr);gap:14px;padding-bottom:26px;}
  .step-num{width:36px;height:36px;font-size:14px;border-width:2px;}
  .step-card{padding:20px;}
  .step-card h3{font-size:18px;}
  .check-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 0;gap:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 160px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .alert-band{padding:16px;}
}
@media (max-width:520px){
  .banner-title{font-size:26px;}
  .banner-actions .btn{width:100%;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px 18px;}
  .related a{width:100%;justify-content:space-between;}
}

/* roulang page: category2 */
:root{
  --green:#1F8A5B;
  --green-deep:#126B45;
  --green-soft:rgba(31,138,91,.08);
  --green-line:rgba(31,138,91,.28);
  --lime:#D6F84B;
  --ink:#161A18;
  --paper:#F5F1E8;
  --white:#FFFFFF;
  --muted:#5C6B62;
  --weak:#8B978F;
  --line:#E2DCD0;
  --empty:#EDE8DC;
  --accent:#E4572E;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(22,26,24,.06);
  --shadow-2:0 10px 24px rgba(22,26,24,.10);
  --container:1200px;
  --gap-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--green-deep)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(31,138,91,.38);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(245,241,232,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(22,26,24,.09)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .22s ease}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex:none;position:relative;
  background:linear-gradient(135deg,var(--green),var(--green-deep));
  box-shadow:0 2px 6px rgba(31,138,91,.28);
}
.brand-mark::after{content:"";position:absolute;inset:6px;border-radius:3px;background:var(--lime);transform:skewX(-12deg)}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--ink);white-space:nowrap}
.nav-panel{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-block;padding:10px 12px;border-radius:999px;
  font-size:15px;color:var(--muted);white-space:nowrap;transition:color .18s ease,background .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;border-radius:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(31,138,91,.06)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 2px 8px rgba(31,138,91,.16)}
.btn-primary:hover{color:var(--ink);transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,138,91,.28)}
.btn-ghost{border-color:var(--green-line);color:var(--green);background:transparent}
.btn-ghost:hover{background:var(--green-soft);color:var(--green-deep);transform:translateY(-1px)}
.btn-outline-light{border-color:rgba(255,255,255,.42);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--green);
}
.btn-link .arrow{transition:transform .2s ease}
.btn-link:hover .arrow{transform:translateX(3px)}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border-radius:12px;
  border:1px solid var(--line);background:var(--white);
  align-items:center;justify-content:center;flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-backdrop{
  position:fixed;inset:0;z-index:70;background:rgba(22,26,24,.44);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.nav-backdrop.is-open{opacity:1;visibility:visible}

/* ============ 页面顶部横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:52px 0 64px;
  background:
    linear-gradient(100deg,rgba(22,26,24,.95) 0%,rgba(22,26,24,.86) 46%,rgba(18,107,69,.66) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;top:0;right:-60px;width:340px;height:100%;
  background:repeating-linear-gradient(45deg,rgba(214,248,75,.16) 0 2px,transparent 2px 18px);
  pointer-events:none;
}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.66);position:relative;z-index:2}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:rgba(255,255,255,.4)}
.page-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:end;margin-top:26px}
.page-hero h1{
  font-size:clamp(28px,4vw,42px);line-height:1.25;font-weight:700;letter-spacing:.4px;
}
.page-hero h1 .hl{position:relative;display:inline-block;z-index:1}
.page-hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:9px;background:var(--lime);
  opacity:.34;z-index:-1;border-radius:2px;
}
.page-hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.8);max-width:640px}
.page-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;color:#EAF5EF;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
}
.page-hero-cta{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 通用板块 ============ */
.section{padding:var(--gap-section) 0}
.section-tight{padding:0 0 var(--gap-section)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:28px;line-height:1.35;font-weight:700;position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--lime);
}
.section-head p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.85}
.section-alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ 图文交错 ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-top:1px solid var(--line);
}
.split:first-of-type{border-top:0;padding-top:0}
.split.reverse .split-media{order:2}
.step-badge{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
}
.step-num{
  font-size:38px;font-weight:700;line-height:1;color:transparent;
  -webkit-text-stroke:1.4px var(--green);
  font-variant-numeric:tabular-nums;letter-spacing:1px;
}
.step-badge .bar{width:28px;height:2px;background:var(--lime);border-radius:2px}
.split h3{font-size:22px;line-height:1.45;font-weight:700}
.split p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--muted)}
.point-list{display:grid;gap:12px;margin-top:22px}
.point-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted);line-height:1.7}
.point-list li::before{
  content:"✓";flex:none;width:20px;height:20px;margin-top:2px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:var(--green);
  background:var(--green-soft);border:1px solid var(--green-line);
}
.split-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-2);aspect-ratio:16/10;background:var(--empty);
  border:1px solid var(--line);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.split:hover .split-media img{transform:scale(1.03)}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;
  font-size:12.5px;color:rgba(255,255,255,.86);
  background:linear-gradient(180deg,rgba(22,26,24,0) 0%,rgba(22,26,24,.72) 100%);
}

/* ============ 检查清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.check-item:hover{border-color:var(--green-line);box-shadow:var(--shadow-1);background:var(--white)}
.check-item input{
  appearance:none;-webkit-appearance:none;
  width:22px;height:22px;flex:none;margin:3px 0 0;border-radius:7px;
  border:1.5px solid #CFC8B9;background:var(--white);position:relative;cursor:pointer;
  transition:background .16s ease,border-color .16s ease;
}
.check-item input:hover{border-color:var(--green)}
.check-item input:checked{background:var(--green);border-color:var(--green)}
.check-item input:checked::after{
  content:"";position:absolute;left:6px;top:2px;width:6px;height:11px;
  border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(40deg);
}
.check-item label{font-size:15px;line-height:1.7;color:var(--muted);cursor:pointer;transition:color .16s ease}
.check-item input:checked + label{color:var(--weak);text-decoration:line-through}
.check-note{margin-top:22px;font-size:13px;color:var(--weak)}

/* ============ 风险提示 ============ */
.risk{
  display:flex;gap:18px;align-items:flex-start;
  border:1.5px solid rgba(228,87,46,.5);border-radius:var(--radius);
  background:rgba(228,87,46,.05);padding:26px 28px;
}
.risk-icon{
  flex:none;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(228,87,46,.12);color:var(--accent);font-weight:700;font-size:16px;
}
.risk h3{font-size:18px;font-weight:700;color:var(--ink)}
.risk p{margin-top:10px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:var(--green-line);box-shadow:var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:16px;font-weight:500;color:var(--ink);
  transition:color .18s ease,background .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(31,138,91,.04)}
.faq-item[open] summary{font-weight:700}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 2px 2px 0;background:var(--lime);
}
.faq-icon{
  flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;transition:transform .2s ease,border-color .2s ease;
}
.faq-icon::after{
  content:"";width:7px;height:7px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg) translate(-1px,-1px);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);border-color:var(--green-line)}
.faq-item[open] .faq-icon::after{border-color:var(--green)}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ============ 分类胶囊 + CTA ============ */
.pill-links{display:flex;flex-wrap:wrap;gap:12px}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:999px;
  background:var(--white);border:1px solid var(--line);font-size:14px;font-weight:500;color:var(--muted);
  transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease;
}
.pill::after{content:"→";font-size:13px;transition:transform .2s ease}
.pill:hover{border-color:var(--green-line);color:var(--green);background:var(--green-soft);transform:translateY(-1px)}
.pill:hover::after{transform:translateX(3px)}
.cta-band{
  position:relative;overflow:hidden;margin-top:56px;
  background:var(--ink);color:#fff;border-radius:var(--radius-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:5px;
  background:repeating-linear-gradient(45deg,var(--green) 0 12px,var(--lime) 12px 24px);
}
.cta-band h3{font-size:24px;line-height:1.4;font-weight:700}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:560px}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;margin-top:80px;padding:64px 0 0;
  background:var(--ink);color:rgba(255,255,255,.72);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:repeating-linear-gradient(45deg,var(--green) 0 12px,var(--lime) 12px 24px);
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:48px;padding-top:8px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:360px}
.f-contact{margin-top:20px;display:grid;gap:6px;font-size:13.5px;color:rgba(255,255,255,.5)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li a,.footer-col li span{font-size:14px;color:rgba(255,255,255,.62);line-height:1.7}
.footer-col li a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:48px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.46);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .nav-panel{
    position:fixed;top:0;right:0;z-index:80;
    height:100dvh;width:min(320px,86vw);
    background:var(--white);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:26px;padding:92px 24px 32px;
    transform:translateX(105%);transition:transform .28s ease;
    box-shadow:-12px 0 40px rgba(22,26,24,.18);
    overflow-y:auto;margin-left:0;
  }
  .nav-panel.is-open{transform:translateX(0)}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px}
  .nav-links a{padding:14px 12px;font-size:16px;border-radius:10px}
  .nav-links a::after{left:12px;right:auto;width:22px;bottom:8px}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px}
  .nav-actions .btn{width:100%}
  .page-hero-inner{grid-template-columns:1fr;align-items:start;gap:26px}
  .split{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .split.reverse .split-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  :root{--gap-section:56px}
  .header-inner{height:64px}
  .brand-text{font-size:16px}
  .page-hero{padding:36px 0 48px}
  .page-hero-sub{font-size:15px}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:24px}
  .check-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px;gap:22px}
  .cta-band h3{font-size:20px}
  .split h3{font-size:20px}
  .risk{padding:22px 20px;gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .page-hero h1{font-size:26px}
  .step-num{font-size:32px}
  .split-media{aspect-ratio:16/11}
  .faq-item summary{padding:16px 16px;font-size:15px}
  .faq-body{padding:0 16px 18px}
  .cta-band{padding:28px 20px}
  .btn{padding:0 18px}
}

/* roulang page: category3 */
:root{
  --green:#1F8A5B;
  --green-soft:#E4F1EA;
  --lime:#D6F84B;
  --ink:#161A18;
  --ink-2:#22302A;
  --paper:#F5F1E8;
  --white:#FFFFFF;
  --orange:#E4572E;
  --text:#161A18;
  --text-2:#5C6B62;
  --text-3:#8B978F;
  --line:#E2DCD0;
  --empty:#EDE8DC;
  --r-sm:10px;
  --r:14px;
  --r-lg:20px;
  --shadow-1:0 1px 2px rgba(22,26,24,.06);
  --shadow-2:0 10px 24px rgba(22,26,24,.10);
  --container:1200px;
  --gap:88px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",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:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
h1,h2,h3,h4{line-height:1.25;font-weight:700;letter-spacing:-.01em;}
h2{font-size:28px;}
h3{font-size:20px;}
:focus-visible{outline:3px solid rgba(31,138,91,.45);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--lime);
}
.section-head p{
  color:var(--text-2);
  font-size:14px;
  margin-top:8px;
  padding-left:16px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--green);
  white-space:nowrap;
  transition:color .18s ease;
}
.text-link .arrow{transition:transform .18s ease;}
.text-link:hover{color:var(--ink);}
.text-link:hover .arrow{transform:translateX(3px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .16s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary{
  background:var(--lime);
  color:var(--ink);
  box-shadow:0 2px 0 rgba(22,26,24,.08);
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 10px 20px rgba(120,150,40,.28);
}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  background:transparent;
  color:var(--green);
  border-color:rgba(31,138,91,.55);
}
.btn-ghost:hover{background:rgba(31,138,91,.08);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.42);
}
.btn-light:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);}
.btn-block{width:100%;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(245,241,232,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease, background-color .2s ease;
}
.site-header.scrolled{
  box-shadow:0 6px 18px rgba(22,26,24,.08);
  background:rgba(245,241,232,.98);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
  transition:height .2s ease;
}
.site-header.scrolled .header-inner{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  position:relative;
  width:24px;
  height:24px;
  border-radius:7px;
  background:var(--green);
  transform:skewX(-8deg);
  flex:0 0 auto;
  overflow:hidden;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:6px;top:-6px;bottom:-6px;
  width:5px;
  background:var(--lime);
  transform:rotate(18deg);
}
.brand-text{
  font-size:18px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:12px;
  flex:1 1 auto;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:8px;
  transition:color .16s ease, background-color .16s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:8px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(31,138,91,.07);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{
  color:var(--ink);
  font-weight:700;
}
.nav-links a.active::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--white);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.nav-toggle:hover{border-color:rgba(31,138,91,.5);box-shadow:var(--shadow-1);}
.nav-toggle .bars{
  display:inline-flex;
  flex-direction:column;
  gap:3px;
}
.nav-toggle .bars i{
  display:block;
  width:16px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(22,26,24,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease, visibility .22s ease;
  z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(340px,86vw);
  background:var(--white);
  z-index:90;
  transform:translateX(102%);
  transition:transform .26s cubic-bezier(.4,0,.2,1);
  display:flex;
  flex-direction:column;
  padding:20px;
  box-shadow:-10px 0 30px rgba(22,26,24,.16);
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--paper);
  font-size:20px;
  line-height:1;
  color:var(--ink);
  cursor:pointer;
  transition:background-color .18s ease, border-color .18s ease;
}
.drawer-close:hover{background:var(--empty);border-color:var(--text-3);}
.drawer-nav{
  display:flex;
  flex-direction:column;
  padding:12px 0;
}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 12px;
  border-radius:10px;
  font-size:16px;
  color:var(--text-2);
  transition:background-color .16s ease, color .16s ease;
}
.drawer-nav a:hover{background:var(--green-soft);color:var(--green);}
.drawer-nav a.active{color:var(--ink);font-weight:700;background:var(--green-soft);}
.drawer-actions{
  margin-top:auto;
  display:grid;
  gap:12px;
  padding-top:20px;
  border-top:1px solid var(--line);
}

/* ---------- 页面横幅 ---------- */
.page-banner{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:52px 0 60px;
  min-height:220px;
  display:flex;
  align-items:center;
}
.banner-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.45;
}
.banner-track{
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg, rgba(214,248,75,.16) 0 2px, transparent 2px 26px);
  opacity:.5;
  pointer-events:none;
}
.page-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg, rgba(14,26,20,.95) 0%, rgba(14,26,20,.82) 52%, rgba(14,26,20,.52) 100%);
}
.banner-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.62);
  margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.78);transition:color .16s ease;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.5;}
.banner-copy h1{
  font-size:40px;
  line-height:1.2;
  color:#fff;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.banner-copy h1 .h1-main{
  position:relative;
  display:inline-block;
  padding-bottom:10px;
}
.banner-copy h1 .h1-main::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:64px;height:4px;
  border-radius:3px;
  background:var(--lime);
}
.banner-copy h1 .h1-sub{
  font-size:17px;
  font-weight:500;
  color:rgba(255,255,255,.76);
  letter-spacing:0;
}
.banner-copy p{
  margin-top:16px;
  max-width:560px;
  font-size:15px;
  color:rgba(255,255,255,.78);
}
.banner-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  padding-bottom:6px;
}

/* ---------- 筛选标签 ---------- */
.filter-bar{
  display:flex;
  align-items:center;
  gap:10px;
  padding:18px 0 26px;
  overflow-x:auto;
  scrollbar-width:thin;
}
.filter-bar::-webkit-scrollbar{height:4px;}
.filter-bar::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px;}
.tag-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:40px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--white);
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  cursor:pointer;
  transition:all .16s ease;
}
.tag-btn:hover{border-color:rgba(31,138,91,.5);color:var(--green);transform:translateY(-1px);}
.tag-btn.active{
  background:var(--green);
  border-color:var(--green);
  color:#fff;
  font-weight:700;
}
.tag-btn:active{transform:translateY(0);}

/* ---------- 媒体流 ---------- */
.stream-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:36px;
  align-items:start;
}
.media-stream{display:grid;gap:20px;}
.media-item{
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  gap:26px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.media-item:hover{
  border-color:rgba(31,138,91,.32);
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
}
.media-thumb{
  position:relative;
  border-radius:var(--r);
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--empty);
}
.media-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.media-item:hover .media-thumb img{transform:scale(1.03);}
.thumb-badge{
  position:absolute;
  top:10px;left:10px;
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(22,26,24,.82);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.thumb-badge.hot{background:var(--orange);}
.media-body{display:flex;flex-direction:column;min-width:0;}
.media-meta{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:10px;
}
.badge{
  display:inline-flex;
  align-items:center;
  padding:2px 10px;
  border-radius:999px;
  background:var(--green-soft);
  color:#176B47;
  font-size:12px;
  font-weight:700;
}
.media-date{font-variant-numeric:tabular-nums;}
.media-body h3{
  font-size:20px;
  line-height:1.45;
  margin-bottom:10px;
  transition:color .18s ease;
}
.media-item:hover .media-body h3{color:var(--green);}
.media-body p{
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.media-foot{
  margin-top:auto;
  padding-top:14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:var(--text-3);
}
.media-score{
  font-variant-numeric:tabular-nums;
  font-weight:700;
  color:var(--ink);
  font-size:15px;
  letter-spacing:.04em;
}

/* ---------- 侧栏 ---------- */
.side-panel{
  position:sticky;
  top:96px;
  display:grid;
  gap:20px;
}
.panel-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.panel-card h3{
  font-size:16px;
  margin-bottom:14px;
  padding-left:12px;
  position:relative;
}
.panel-card h3::before{
  content:"";
  position:absolute;
  left:0;top:4px;bottom:4px;
  width:3px;border-radius:2px;
  background:var(--lime);
}
.schedule-list{display:grid;gap:0;}
.schedule-list li{
  display:grid;
  grid-template-columns:60px minmax(0,1fr) auto;
  gap:10px;
  align-items:center;
  padding:11px 0;
  border-bottom:1px solid var(--line);
  font-size:13.5px;
}
.schedule-list li:last-child{border-bottom:none;}
.schedule-list .t{
  font-variant-numeric:tabular-nums;
  color:var(--text-3);
  font-weight:700;
}
.schedule-list .n{color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.schedule-list .s{
  font-size:12px;
  color:var(--green);
  background:var(--green-soft);
  padding:1px 8px;
  border-radius:999px;
  white-space:nowrap;
}
.schedule-list .s.wait{color:var(--text-2);background:var(--empty);}
.panel-links{display:grid;gap:10px;}
.panel-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
  transition:all .18s ease;
}
.panel-links a:hover{
  border-color:rgba(31,138,91,.45);
  color:var(--green);
  background:rgba(31,138,91,.05);
  transform:translateX(2px);
}

/* ---------- 本周焦点 ---------- */
.spotlight{
  background:var(--ink);
  color:#fff;
  border-radius:var(--r-lg);
  padding:38px 40px;
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:36px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.spotlight::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(120deg, rgba(214,248,75,.12) 0 2px, transparent 2px 30px);
  pointer-events:none;
}
.spotlight-copy{position:relative;z-index:1;}
.spotlight-copy .kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--lime);
  margin-bottom:14px;
}
.spotlight-copy h2{
  font-size:26px;
  color:#fff;
  margin-bottom:12px;
}
.spotlight-copy p{
  color:rgba(255,255,255,.74);
  font-size:15px;
  max-width:520px;
}
.spotlight-metrics{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.metric{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r);
  padding:18px;
}
.metric-num{
  font-size:30px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  color:#fff;
  border-bottom:3px solid var(--lime);
  display:inline-block;
  padding-bottom:4px;
}
.metric-label{
  display:block;
  margin-top:10px;
  font-size:13px;
  color:rgba(255,255,255,.66);
}

/* ---------- 相关分类胶囊 ---------- */
.related-wrap{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  padding:26px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.related-wrap .label{
  font-size:14px;
  color:var(--text-2);
  font-weight:700;
}
.chip-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:999px;
  background:var(--white);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
  transition:all .18s ease;
}
.chip-link:hover{
  border-color:rgba(31,138,91,.5);
  color:var(--green);
  transform:translateY(-1px);
  box-shadow:var(--shadow-1);
}
.chip-link .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--green);
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item[open]{
  border-color:rgba(31,138,91,.4);
  box-shadow:var(--shadow-1);
}
.faq-q{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px 18px 26px;
  font-size:16px;
  font-weight:500;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  transition:background-color .18s ease;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:4px;
  border-radius:2px;
  background:transparent;
  transition:background-color .2s ease;
}
.faq-item[open] .faq-q{font-weight:700;}
.faq-item[open] .faq-q::before{background:var(--lime);}
.faq-q:hover{background:rgba(31,138,91,.04);}
.faq-arrow{
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:12px;
  transition:transform .18s ease, border-color .18s ease, color .18s ease;
}
.faq-item[open] .faq-arrow{
  transform:rotate(180deg);
  border-color:var(--green);
  color:var(--green);
}
.faq-a{
  padding:0 22px 20px 26px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  max-width:760px;
}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  display:block;
  height:6px;
  background:repeating-linear-gradient(45deg, var(--lime) 0 10px, #2C3A33 10px 20px);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:56px 24px;
  max-width:var(--container);
  margin:0 auto;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:26px;
  color:#fff;
  margin-bottom:8px;
}
.cta-inner p{
  color:rgba(255,255,255,.7);
  font-size:15px;
  max-width:520px;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  font-size:14px;
}
.site-footer::before{
  content:"";
  display:block;
  height:6px;
  background:repeating-linear-gradient(45deg, var(--lime) 0 10px, #2C3A33 10px 20px);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding:56px 0 40px;
}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{
  margin-top:16px;
  max-width:340px;
  line-height:1.9;
  color:rgba(255,255,255,.62);
}
.f-contact{
  margin-top:18px;
  display:grid;
  gap:6px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul li a,
.footer-col ul li span{
  color:rgba(255,255,255,.64);
  font-size:14px;
  transition:color .16s ease;
}
.footer-col ul li a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.5);
  font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links a{padding:0 9px;font-size:14px;}
  .brand-text{font-size:17px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .header-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .stream-wrap{grid-template-columns:minmax(0,1fr);}
  .side-panel{position:static;}
  .spotlight{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .banner-copy h1{font-size:34px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .page-banner{padding:40px 0 44px;}
  .banner-copy h1{font-size:28px;}
  .banner-copy h1 .h1-sub{font-size:15px;}
  .media-item{grid-template-columns:minmax(0,1fr);gap:16px;padding:16px;}
  .media-body h3{font-size:18px;}
  .cta-inner{padding:44px 16px;}
  .cta-inner h2{font-size:22px;}
  .spotlight{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 32px;}
  .footer-brand p{max-width:100%;}
}
@media (max-width:520px){
  .header-inner{height:64px;gap:12px;}
  .brand-text{font-size:15.5px;}
  .brand-mark{width:20px;height:20px;}
  .header-actions .btn-primary{min-height:40px;padding:0 16px;font-size:14px;}
  .metric-num{font-size:24px;}
  .spotlight-metrics{grid-template-columns:1fr 1fr;gap:12px;}
  .filter-bar{padding:14px 0 20px;}
  .related-wrap{gap:10px;}
  .chip-link{padding:0 16px;font-size:13px;}
  .faq-q{padding:16px 16px 16px 20px;font-size:15px;}
  .faq-a{padding:0 16px 18px 20px;font-size:14.5px;}
}

/* roulang page: category4 */
:root{
  --green:#1F8A5B;
  --green-soft:#E4F2EA;
  --lemon:#D6F84B;
  --ink:#161A18;
  --ink-2:#5C6B62;
  --ink-3:#8B978F;
  --paper:#F5F1E8;
  --white:#FFFFFF;
  --accent:#E4572E;
  --line:#E2DCD0;
  --empty:#EDE8DC;
  --radius:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(22,26,24,.06);
  --shadow-2:0 10px 24px rgba(22,26,24,.10);
  --container:1200px;
  --gap:88px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",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:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,241,232,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,padding .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(22,26,24,.08);}
.header-inner{
  height:72px;display:flex;align-items:center;gap:28px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.2px;}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--green) 0 52%,var(--lemon) 52% 100%);
  box-shadow:inset 0 0 0 1px rgba(22,26,24,.12);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border:2px solid rgba(255,255,255,.85);border-radius:50%;
}
.brand-text{white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--lemon);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);font-weight:700;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-cta{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lemon);color:var(--ink);box-shadow:0 1px 2px rgba(22,26,24,.10);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,138,91,.24);}
.btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(22,26,24,.16);}
.btn-ghost{background:transparent;color:var(--green);border:1.5px solid var(--green);}
.btn-ghost:hover{background:rgba(31,138,91,.08);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--white);align-items:center;justify-content:center;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,26,24,.42);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,88vw);background:var(--white);
  z-index:95;transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  padding:24px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
  box-shadow:-12px 0 32px rgba(22,26,24,.14);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);font-size:18px;line-height:1;}
.drawer a.d-link{
  padding:13px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink-2);
}
.drawer a.d-link.active{color:var(--ink);font-weight:700;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:18px;}
.drawer-actions .btn{width:100%;height:46px;}

/* ---------- Page banner ---------- */
.page-banner{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(22,26,24,.94) 0%,rgba(22,26,24,.82) 52%,rgba(22,26,24,.52) 100%);
}
.banner-inner{position:relative;z-index:2;padding:56px 0 52px;display:flex;gap:32px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a:hover{color:var(--lemon);}
.breadcrumb span.sep{color:rgba(255,255,255,.35);}
.banner-title{
  font-size:40px;line-height:1.22;font-weight:700;letter-spacing:.4px;max-width:720px;
}
.banner-title em{
  font-style:normal;position:relative;white-space:nowrap;
}
.banner-title em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:6px;
  background:var(--lemon);opacity:.55;border-radius:3px;z-index:-1;
}
.banner-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.78);max-width:640px;}
.banner-aside{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.banner-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:7px 14px;
}
.banner-chip i{width:6px;height:6px;border-radius:50%;background:var(--lemon);display:inline-block;}

/* ---------- Sections ---------- */
section.block{padding:var(--gap) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{
  font-size:28px;line-height:1.35;font-weight:700;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--lemon);
}
.section-head p{color:var(--ink-2);font-size:15px;max-width:560px;margin-top:8px;padding-left:16px;}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-weight:700;font-size:15px;}
.link-more svg{transition:transform .18s ease;}
.link-more:hover svg{transform:translateX(3px);}

/* filter bar */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;box-shadow:var(--shadow-1);margin-bottom:32px;
}
.filter-bar .f-label{font-size:13px;color:var(--ink-3);margin-right:4px;}
.chip{
  height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--paper);color:var(--ink-2);font-size:14px;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{border-color:rgba(31,138,91,.5);color:var(--green);transform:translateY(-1px);}
.chip.active{background:var(--green);border-color:var(--green);color:#fff;font-weight:700;}
.filter-search{
  display:flex;align-items:center;gap:8px;margin-left:auto;
  border:1px solid var(--line);border-radius:999px;padding:0 14px;height:40px;background:var(--paper);
}
.filter-search input{
  border:none;background:transparent;outline:none;font-size:14px;width:170px;color:var(--ink);
  font-family:inherit;
}
.filter-search input::placeholder{color:var(--ink-3);}
.filter-search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(31,138,91,.14);}

/* tutorial card grid */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.t-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.t-card:hover{border-color:rgba(31,138,91,.3);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.t-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--empty);}
.t-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.t-card:hover .t-media img{transform:scale(1.02);}
.t-diff{
  position:absolute;top:12px;left:12px;font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:999px;background:var(--green-soft);color:#12603F;
  backdrop-filter:blur(2px);
}
.t-diff.level-2{background:#FBEFD8;color:#8A5A12;}
.t-diff.level-3{background:#FBE3DC;color:#A33A1B;}
.t-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.t-body h3{font-size:18px;line-height:1.5;font-weight:700;}
.t-body p{font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.t-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--ink-3);margin-top:auto;padding-top:8px;}
.t-meta i{width:4px;height:4px;border-radius:50%;background:var(--ink-3);display:inline-block;}
.t-foot{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px dashed var(--line);padding-top:14px;margin-top:6px;font-size:14px;color:var(--green);font-weight:700;
}
.t-foot .arrow{transition:transform .18s ease;}
.t-card:hover .t-foot .arrow{transform:translateX(3px);}
.is-hidden{display:none !important;}

/* steps */
.steps-wrap{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-1);}
.steps-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step-item{position:relative;padding-top:6px;}
.step-num{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;background:var(--paper);border:1px solid var(--line);
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step-item.active .step-num{background:var(--lemon);border-color:var(--lemon);}
.step-item h4{font-size:17px;margin-bottom:8px;}
.step-item p{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* feature split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);position:relative;}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split-copy h2{font-size:28px;line-height:1.4;margin-bottom:16px;position:relative;padding-left:16px;}
.split-copy h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--lemon);}
.split-copy p{color:var(--ink-2);margin-bottom:16px;}
.check-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);
}
.check-list li:last-child{border-bottom:none;}
.check-list .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--green-soft);
  color:#12603F;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:4px;
}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item.open{border-color:rgba(31,138,91,.42);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:500;text-align:left;position:relative;
}
.faq-item.open .faq-q{font-weight:700;}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;background:var(--lemon);
}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;transition:transform .18s ease,background .18s ease;
  font-size:12px;color:var(--ink-2);
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--green-soft);border-color:transparent;color:#12603F;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* related pills */
.related{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:999px;
  background:var(--white);border:1px solid var(--line);font-size:15px;color:var(--ink);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease,color .18s ease;
}
.pill:hover{border-color:var(--green);color:var(--green);transform:translateY(-1px);box-shadow:var(--shadow-1);}

/* CTA */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:repeating-linear-gradient(135deg,var(--lemon) 0 18px,transparent 18px 36px);
  opacity:.9;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:64px 0;flex-wrap:wrap;}
.cta-inner h2{font-size:30px;line-height:1.35;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;}

/* footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);position:relative;padding-top:6px;margin-top:0;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:repeating-linear-gradient(135deg,var(--green) 0 18px,transparent 18px 36px);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:64px 0 44px;
}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px;}
.f-contact{display:flex;flex-direction:column;gap:6px;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.5);}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:12px;font-size:14px;}
.footer-col a{transition:color .18s ease;}
.footer-col a:hover{color:var(--lemon);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* reveal animation */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  :root{--gap:64px;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .banner-title{font-size:32px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .steps-flow{grid-template-columns:repeat(2,1fr);gap:28px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--gap:56px;}
  .container{padding:0 16px;}
  .banner-inner{padding:44px 0 40px;}
  .banner-title{font-size:27px;}
  .banner-sub{font-size:15px;}
  .section-head h2,.split-copy h2{font-size:23px;}
  .cta-inner h2{font-size:24px;}
  .steps-wrap{padding:26px 20px;}
  .filter-search{margin-left:0;width:100%;}
  .filter-search input{width:100%;}
  .cta-inner{padding:48px 0;}
  .footer-grid{padding:48px 0 32px;}
}
@media (max-width:600px){
  .card-grid{grid-template-columns:1fr;}
  .steps-flow{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .banner-aside{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}

/* roulang page: category5 */
:root{
  --green:#1F8A5B;
  --green-deep:#146B45;
  --green-soft:rgba(31,138,91,.08);
  --lime:#D6F84B;
  --ink:#161A18;
  --ink-2:#22302A;
  --paper:#F5F1E8;
  --white:#FFFFFF;
  --orange:#E4572E;
  --text:#161A18;
  --text-sub:#5C6B62;
  --text-weak:#8B978F;
  --border:#E2DCD0;
  --empty:#EDE8DC;
  --radius:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(22,26,24,.06);
  --shadow-2:0 10px 24px rgba(22,26,24,.10);
  --container:1200px;
  --sect:88px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{line-height:1.28;font-weight:700}
:focus-visible{outline:3px solid rgba(31,138,91,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,241,232,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(22,26,24,.08);background:rgba(255,255,255,.96)}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex-shrink:0;
  background:
    linear-gradient(135deg,var(--lime) 0 44%,transparent 44% 100%),
    linear-gradient(315deg,var(--green) 0 60%,var(--ink) 60% 100%);
  box-shadow:inset 0 0 0 1px rgba(22,26,24,.12);
  position:relative;overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;left:-6px;right:-6px;top:13px;height:3px;
  background:rgba(255,255,255,.7);transform:rotate(-45deg);
}
.brand-text{font-weight:700;font-size:17px;letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;color:var(--text-sub);padding:6px 2px;
  transition:color .18s ease;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;border-radius:2px;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:700}
.nav-links a.active::after{transform:scaleX(1);background:var(--green)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 1px 2px rgba(22,26,24,.10)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(31,138,91,.22);background:#e0ff5c}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 6px rgba(22,26,24,.16)}
.btn-outline{border-color:var(--green);color:var(--green-deep);background:transparent}
.btn-outline:hover{background:var(--green-soft);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.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(--green-deep);
  font-weight:500;font-size:15px;transition:color .18s ease;
}
.btn-link .arrow{transition:transform .18s ease;display:inline-block}
.btn-link:hover{color:var(--green)}
.btn-link:hover .arrow{transform:translateX(3px)}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:var(--white);cursor:pointer;align-items:center;justify-content:center;flex-shrink:0;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--green-soft);border-color:rgba(31,138,91,.35)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,26,24,.42);opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(330px,86vw);
  background:var(--white);z-index:80;transform:translateX(102%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px;gap:6px;
  box-shadow:-16px 0 40px rgba(22,26,24,.16);overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--white);
  font-size:20px;line-height:1;color:var(--text-sub);cursor:pointer;
}
.drawer-close:hover{background:var(--green-soft)}
.drawer a.drawer-link{
  display:block;padding:13px 12px;border-radius:10px;color:var(--text-sub);font-size:16px;
  transition:background .18s ease,color .18s ease;
}
.drawer a.drawer-link:hover{background:var(--green-soft);color:var(--ink)}
.drawer a.drawer-link.active{background:var(--green-soft);color:var(--ink);font-weight:700}
.drawer-cta{display:grid;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}
.drawer-cta .btn{width:100%}

/* ---------- Page banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(14,44,32,.94) 0%,rgba(20,60,42,.86) 46%,rgba(22,26,24,.62) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center right;
  color:#fff;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
  background:repeating-linear-gradient(45deg,var(--lime) 0 12px,transparent 12px 24px);
  opacity:.75;
}
.banner-inner{padding:52px 0 56px;display:flex;align-items:flex-end;gap:40px;flex-wrap:wrap;justify-content:space-between}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:#fff;font-weight:500}
.page-banner h1{
  font-size:clamp(28px,3.6vw,42px);line-height:1.2;letter-spacing:-.4px;
  max-width:16em;text-shadow:0 2px 12px rgba(0,0,0,.18);
}
.page-banner h1 .kw{color:var(--lime);border-bottom:4px solid rgba(214,248,75,.7);padding-bottom:2px}
.banner-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.82);max-width:34em}
.banner-cta{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Section basics ---------- */
.section{padding:var(--sect) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{
  font-size:clamp(22px,2.4vw,28px);position:relative;padding-left:16px;letter-spacing:-.2px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--lime);
}
.section-head p{color:var(--text-sub);font-size:15px;margin-top:8px;padding-left:16px;max-width:44em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:1.6px;
  color:var(--green-deep);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--green)}

/* ---------- Help grid ---------- */
.grid-help{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.help-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.help-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius);
  border:1px solid transparent;transition:border-color .2s ease;pointer-events:none;
}
.help-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(31,138,91,.3)}
.help-card:hover::before{border-color:rgba(31,138,91,.22)}
.g-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--green-soft);color:var(--green-deep);flex-shrink:0;
}
.help-card h3{font-size:19px}
.help-card p{font-size:14.5px;color:var(--text-sub);line-height:1.75;flex:1}
.help-card .btn-link{font-size:14px}
.help-card:hover .btn-link .arrow{transform:translateX(3px)}

/* ---------- Flow ---------- */
.flow-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.flow-list{display:grid;gap:0;margin-top:8px}
.flow-item{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--border)}
.flow-item:first-child{padding-top:0}
.flow-item:last-child{border-bottom:0;padding-bottom:0}
.flow-num{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--lime);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:18px;margin-bottom:6px}
.flow-item p{font-size:15px;color:var(--text-sub)}
.flow-media{position:relative}
.flow-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);border:1px solid var(--border);
}
.flow-tag{
  position:absolute;left:20px;bottom:20px;background:rgba(22,26,24,.88);color:#fff;
  border-radius:var(--radius-pill);padding:8px 16px;font-size:13px;font-weight:500;
  display:inline-flex;align-items:center;gap:8px;backdrop-filter:blur(4px);
}
.flow-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.faq-group{margin-bottom:34px}
.faq-group:last-child{margin-bottom:0}
.faq-group-title{
  font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--green-deep);
  margin-bottom:14px;display:flex;align-items:center;gap:10px;
}
.faq-group-title::after{content:"";flex:1;height:1px;background:var(--border)}
.faq-item{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
  position:relative;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--lime);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
}
.faq-item:hover{border-color:rgba(31,138,91,.3);box-shadow:var(--shadow-1)}
.faq-item.open{border-color:rgba(31,138,91,.4);box-shadow:var(--shadow-2)}
.faq-item.open::before{transform:scaleY(1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:18px 22px;font-size:16px;font-weight:500;color:var(--text);line-height:1.6;
  transition:color .18s ease,font-weight .18s ease;
}
.faq-item.open .faq-q{font-weight:700}
.faq-q:hover{color:var(--green-deep)}
.faq-arrow{flex-shrink:0;color:var(--text-weak);transition:transform .22s ease,color .22s ease}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--green)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;color:var(--text-sub);line-height:1.85}
.faq-a-inner a{color:var(--green-deep);border-bottom:1px solid rgba(31,138,91,.4)}
.faq-a-inner a:hover{color:var(--green)}
.faq-side{
  position:sticky;top:96px;background:var(--white);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);
}
.faq-side img{width:100%;aspect-ratio:16/10;object-fit:cover}
.faq-side-body{padding:22px}
.faq-side-body h3{font-size:18px;margin-bottom:10px}
.faq-side-body p{font-size:14.5px;color:var(--text-sub);margin-bottom:16px}
.faq-side .btn{width:100%}
.faq-side-meta{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--border);
  font-size:13px;color:var(--text-weak);display:grid;gap:6px;
}

/* ---------- Form ---------- */
.form-wrap{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:44px;box-shadow:var(--shadow-1);
}
.form-intro h2{font-size:clamp(22px,2.4vw,28px);position:relative;padding-left:16px;margin-bottom:16px}
.form-intro h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--lime)}
.form-intro p{color:var(--text-sub);font-size:15px;margin-bottom:22px}
.intro-points{display:grid;gap:12px}
.intro-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text-sub);align-items:flex-start}
.tick{
  width:20px;height:20px;border-radius:50%;background:var(--green-soft);color:var(--green-deep);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:3px;
}
.help-form{display:grid;gap:18px}
.field{display:grid;gap:7px}
.field label{font-size:13px;font-weight:500;color:var(--text-sub)}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:15px;color:var(--text);
  background:var(--white);border:1px solid var(--border);border-radius:10px;
  padding:0 14px;height:44px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(31,138,91,.4)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(31,138,91,.14);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-weak)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:13px;color:var(--text-weak);line-height:1.7}
.form-feedback{
  display:none;border-radius:10px;padding:12px 14px;font-size:14px;
  background:var(--green-soft);border:1px solid rgba(31,138,91,.3);color:var(--green-deep);
}
.form-feedback.show{display:block}

/* ---------- Related ---------- */
.related{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--shadow-1);
}
.related h3{font-size:18px}
.related p{font-size:14.5px;color:var(--text-sub);margin-top:4px}
.pill-group{display:flex;gap:12px;flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;
  border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--paper);
  font-size:15px;color:var(--text-sub);font-weight:500;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.pill:hover{background:var(--white);color:var(--green-deep);border-color:rgba(31,138,91,.45);transform:translateY(-1px)}
.pill:active{transform:translateY(0)}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink);color:#fff;position:relative;overflow:hidden;
  border-radius:var(--radius-lg);padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-40px;top:-40px;width:240px;height:240px;
  background:repeating-linear-gradient(45deg,rgba(214,248,75,.14) 0 10px,transparent 10px 22px);
  border-radius:50%;pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;position:relative}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;max-width:40em;position:relative}
.cta-band .btn{position:relative;z-index:1}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.72);position:relative;margin-top:var(--sect);
  padding-top:64px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:6px;
  background:repeating-linear-gradient(45deg,var(--lime) 0 14px,transparent 14px 28px);
  opacity:.85;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;
}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14.5px;line-height:1.85;margin-top:16px;max-width:32em}
.f-contact{margin-top:18px;display:grid;gap:6px;font-size:13.5px;color:rgba(255,255,255,.55)}
.footer-col h4{font-size:14px;letter-spacing:.6px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.66);transition:color .18s ease}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  :root{--sect:64px}
  .nav-links{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .header-inner{gap:16px}
  .grid-help{grid-template-columns:repeat(2,1fr)}
  .flow-wrap{grid-template-columns:1fr;gap:36px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static;display:grid;grid-template-columns:200px 1fr;align-items:stretch}
  .faq-side img{height:100%;aspect-ratio:auto}
  .form-wrap{grid-template-columns:1fr;gap:32px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .banner-inner{padding:44px 0 48px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .brand-text{font-size:16px}
  .grid-help{grid-template-columns:repeat(2,1fr);gap:14px}
  .help-card{padding:20px}
  .help-card h3{font-size:17px}
  .cta-band{padding:32px 26px;border-radius:var(--radius)}
  .related{padding:26px 22px}
  .form-row{grid-template-columns:1fr}
  .faq-side{grid-template-columns:1fr}
  .faq-side img{aspect-ratio:16/8}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{padding-top:52px}
}
@media (max-width:520px){
  :root{--sect:52px}
  body{font-size:15.5px}
  .grid-help{grid-template-columns:1fr}
  .banner-inner{padding:36px 0 40px}
  .banner-sub{font-size:15px}
  .banner-cta .btn{flex:1}
  .form-wrap{padding:24px 20px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .section-head{margin-bottom:26px}
}