/* roulang page: index */
:root{
  --deep:#0E3B2E;
  --deep-2:#1F7A57;
  --lime:#C6F24E;
  --orange:#FF6B33;
  --bg:#F7F8F3;
  --card:#FFFFFF;
  --sand:#EDEFE8;
  --line:#E2E6DC;
  --ink:#0C1A15;
  --muted:#5B6B60;
  --error:#D8492B;
  --r-img:16px;
  --r-card:20px;
  --r-big:28px;
  --r-band:32px;
  --sh-1:0 2px 8px rgba(12,26,21,.06);
  --sh-2:0 18px 40px -18px rgba(12,26,21,.28);
  --grad:linear-gradient(135deg,#0E3B2E 0%,#1F7A57 62%,#C6F24E 132%);
  --sect:88px;
  --t:.18s ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sect) 0}
.section--sand{background:var(--sand)}
h1{font-size:40px;line-height:1.15;font-weight:900;letter-spacing:-.02em}
h2{font-size:30px;line-height:1.25;font-weight:800;letter-spacing:-.01em}
h3{font-size:22px;line-height:1.35;font-weight:700}
.lead{font-size:16px;line-height:1.75;color:var(--muted)}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn svg{transition:transform var(--t)}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--deep);color:#fff}
.btn-primary:hover svg{transform:translateX(2px)}
.btn-secondary{background:transparent;color:var(--ink);border:1.5px solid var(--line);border-radius:14px}
.btn-secondary:hover{border-color:var(--deep-2);color:var(--deep)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line);border-radius:14px}
.btn-ghost:hover{border-color:var(--deep);color:var(--deep)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}
.link-arrow{
  font-size:15px;font-weight:700;color:var(--deep);
  text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;
  text-decoration-color:var(--line);transition:color var(--t),text-decoration-color var(--t);
}
.link-arrow:hover{color:var(--deep-2);text-decoration-color:var(--lime)}
.link-inline{font-size:14px;color:var(--deep-2);text-decoration:underline;text-underline-offset:3px}
.link-inline:hover{color:var(--deep);text-decoration-color:var(--lime)}

/* ============ 标签 / 徽章 ============ */
.chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:var(--sand);color:var(--deep);font-size:13px;line-height:1.6;font-weight:600;
}
.chip--lime{background:var(--lime);color:var(--ink)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.badge{
  display:inline-flex;flex-direction:column;gap:2px;padding:8px 16px;border-radius:999px;
  background:var(--lime);color:var(--ink);min-width:112px;
}
.badge strong{font-size:24px;font-weight:900;line-height:1.1;font-variant-numeric:tabular-nums}
.badge span{font-size:13px;line-height:1.6}
.badge--deep{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.24)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--bg);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t);
}
.site-header.is-stuck{box-shadow:var(--sh-1);border-bottom-color:var(--line)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:24px}
.nav-side{display:flex;align-items:center;gap:28px}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;font-size:15px;padding:6px 0;color:var(--ink);transition:color var(--t)}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--deep);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{display:flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:900;letter-spacing:.02em;
}
.brand-text{font-size:18px;font-weight:900;letter-spacing:-.01em;color:var(--deep)}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--deep);margin:0 auto;transition:transform var(--t),opacity var(--t)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{max-height:0;overflow:hidden;transition:max-height .28s ease;border-top:1px solid transparent}
.drawer.is-open{max-height:460px;border-top-color:var(--line)}
.drawer-nav{display:flex;flex-direction:column;padding:8px 24px 20px}
.drawer-nav a{
  height:52px;display:flex;align-items:center;font-size:16px;
  border-bottom:1px solid var(--line);
}
.drawer-nav a:last-child{border-bottom:0;margin-top:14px;justify-content:center}
.drawer-nav a.is-active{color:var(--deep);font-weight:700}

/* ============ Hero ============ */
.hero{
  position:relative;background:var(--grad);color:#fff;overflow:hidden;
  padding:56px 0 72px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
  background-image:radial-gradient(circle at 78% 18%,#fff 0,transparent 42%),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.55) 0 1px,transparent 1px 132px);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;min-height:560px}
.eyebrow{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.06em;
}
.eyebrow-dark{background:var(--sand);color:var(--deep)}
.hero h1{margin:20px 0 16px;color:#fff}
.hero-sub{font-size:19px;line-height:1.7;color:rgba(255,255,255,.86);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 34px}
.hero .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.hero .btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px}
.hero-visual{position:relative}
.hero-image{
  position:relative;border-radius:var(--r-big);overflow:hidden;aspect-ratio:16/11;
  background:var(--sand);box-shadow:var(--sh-2);border:1px solid rgba(255,255,255,.28);
}
.hero-image img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;right:-12px;bottom:-18px;background:#fff;color:var(--ink);
  border-radius:16px;padding:14px 20px;box-shadow:var(--sh-2);
  display:flex;flex-direction:column;gap:2px;min-width:132px;
}
.float-card strong{font-size:26px;font-weight:900;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--deep)}
.float-card span{font-size:13px;color:var(--muted)}

/* ============ 板块头部 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head p{margin-top:8px;color:var(--muted);font-size:15px}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6DCCF}
.card-media{display:block;background:var(--sand);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;border:1px solid rgba(12,26,21,.06);border-radius:var(--r-img)}
.ratio-4x3{aspect-ratio:4/3}
.ratio-16x9{aspect-ratio:16/9}
.card-body{padding:20px 22px 24px}
.card-body h3 a{transition:color var(--t)}
.card-body h3 a:hover{color:var(--deep-2)}

/* 主推服务 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card .card-body{padding-top:18px}
.feature-card p{margin:10px 0 18px;color:var(--muted);font-size:15px}
.spec-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--line)}
.spec{font-size:13px;color:var(--muted)}
.spec-price{font-size:15px;font-weight:800;color:var(--deep);font-variant-numeric:tabular-nums}

/* 爆款网格 */
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.hot-card{display:flex;flex-direction:column}
.hot-card .card-media{aspect-ratio:4/3}
.hot-card .card-body{display:flex;flex-direction:column;gap:10px;flex:1}
.hot-title{font-size:19px;line-height:1.4;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-desc{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:10px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.hot-foot .arrow{width:30px;height:30px;border-radius:999px;background:var(--sand);display:grid;place-items:center;color:var(--deep);transition:background var(--t),transform var(--t)}
.hot-card:hover .hot-foot .arrow{background:var(--lime);transform:translateX(2px)}
.hot-card--wide{grid-column:span 2;flex-direction:row}
.hot-card--wide .card-media{width:46%;aspect-ratio:auto;flex:none}
.hot-card--wide .card-media img{height:100%}
.hot-card--wide .hot-title{font-size:22px}

/* 评价轮播 */
.rail-nav{display:flex;gap:10px}
.rail-btn{
  width:42px;height:42px;border-radius:999px;border:1.5px solid var(--line);
  display:grid;place-items:center;font-size:18px;color:var(--deep);
  transition:background var(--t),border-color var(--t),color var(--t);
}
.rail-btn:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.rail{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 0 16px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 340px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);
}
.rail > .review-card:nth-child(even){transform:translateY(12px)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;border-radius:999px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;flex:none;
}
.review-name{font-weight:700;font-size:15px}
.stars{color:var(--orange);font-size:13px;letter-spacing:2px}
.review-card p{font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review-src{font-size:12px;color:var(--deep-2);background:var(--sand);border-radius:999px;padding:3px 10px;display:inline-block}
.dots{display:flex;gap:8px;justify-content:center;margin-top:6px}
.dot{width:8px;height:8px;border-radius:999px;background:#CFD6C8;transition:width var(--t),background var(--t)}
.dot.is-active{width:22px;background:var(--deep)}

/* 保障条 */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-big);padding:28px;box-shadow:var(--sh-1)}
.assure-item{display:flex;gap:14px;align-items:flex-start}
.assure-icon{
  width:44px;height:44px;border-radius:999px;background:var(--lime);color:var(--deep);
  display:grid;place-items:center;flex:none;
}
.assure-item strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px}
.assure-item p{font-size:13px;color:var(--muted);line-height:1.6}

/* 登录区 */
.login-grid{display:grid;grid-template-columns:1fr 480px;gap:56px;align-items:center}
.login-copy h2{margin:18px 0 14px}
.step-list{display:flex;flex-direction:column;gap:14px;margin:22px 0}
.step-list li{display:flex;align-items:center;gap:14px;font-size:16px}
.step-list span{
  width:36px;height:36px;border-radius:12px;background:var(--sand);color:var(--deep);
  display:grid;place-items:center;font-weight:900;font-size:14px;font-variant-numeric:tabular-nums;flex:none;
}
.login-note{font-size:14px;color:var(--muted)}
.login-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-big);
  padding:32px;box-shadow:var(--sh-2);display:flex;flex-direction:column;gap:16px;
}
.login-card h3{font-size:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field span{font-size:14px;font-weight:600;color:var(--deep)}
.field input{
  height:48px;border-radius:14px;border:1.5px solid var(--line);background:var(--bg);
  padding:0 16px;font-size:15px;transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field input::placeholder{color:#93A096}
.field input:focus{outline:none;border-color:var(--deep-2);background:#fff;box-shadow:0 0 0 3px rgba(198,242,78,.65)}
.field input.is-error{border-color:var(--error)}
.field-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}
.check{display:flex;align-items:center;gap:8px;color:var(--muted)}
.check input{width:18px;height:18px;accent-color:var(--deep-2)}
.form-msg{font-size:13px;min-height:18px}
.form-msg.ok{color:var(--deep-2)}
.form-msg.err{color:var(--error)}
.form-tip{font-size:12px;color:var(--muted);line-height:1.6}
.loading-dots{display:inline-flex;gap:4px}
.loading-dots i{width:6px;height:6px;border-radius:999px;background:currentColor;animation:blink 1s infinite}
.loading-dots i:nth-child(2){animation-delay:.15s}
.loading-dots i:nth-child(3){animation-delay:.3s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}

/* 最新信息（CMS 列表） */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6DCCF}
.news-card:first-child{grid-column:1/-1;flex-direction:row}
.news-card:first-child .news-media{width:42%;flex:none;aspect-ratio:auto}
.news-card:first-child .news-media img{height:100%}
.news-media{aspect-ratio:16/9;background:var(--sand);overflow:hidden}
.news-media img{width:100%;height:100%;object-fit:cover}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:19px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:first-child .news-title{font-size:23px}
.news-desc{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.dot-sep{width:4px;height:4px;border-radius:999px;background:#C3CBBE}
.empty-state{
  border:2px dashed var(--line);border-radius:var(--r-card);min-height:220px;background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:32px;text-align:center;
}
.empty-state p{color:var(--muted);font-size:15px}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t)}
.faq-item.is-open{border-color:var(--deep-2);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);
}
.faq-q .caret{transition:transform .2s ease;color:var(--deep-2);flex:none}
.faq-item.is-open .caret{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.is-open .faq-a{max-height:260px}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.75}

/* CTA 通栏 */
.cta-band{
  background:var(--grad);border-radius:var(--r-band);padding:48px 52px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;max-width:560px}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.86);font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-band .btn-secondary{border-color:rgba(255,255,255,.5);color:#fff;border-radius:999px}
.cta-band .btn-secondary:hover{border-color:var(--lime);color:var(--lime)}

/* 页脚 */
.site-footer{background:var(--deep);color:rgba(255,255,255,.82);border-top:1px solid var(--lime);margin-top:var(--sect)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:14px}
.footer-col li{line-height:2.2;font-size:14px}
.footer-col a{transition:color var(--t)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 34px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:rgba(255,255,255,.62);
}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px}
.footer-chips span{background:rgba(255,255,255,.1);border-radius:999px;padding:4px 12px;font-size:12px;color:rgba(255,255,255,.8)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  :root{--sect:76px}
  .hot-card--wide .card-media{width:44%}
}
@media (max-width:1024px){
  :root{--sect:64px}
  h1{font-size:34px}
  h2{font-size:26px}
  .hero-grid{grid-template-columns:1fr;gap:40px;min-height:auto;padding:16px 0}
  .hero-sub{font-size:17px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .hot-grid{grid-template-columns:repeat(2,1fr)}
  .hot-card--wide{grid-column:span 2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card:first-child{grid-column:span 2}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .login-grid{grid-template-columns:1fr;gap:36px}
  .login-card{width:100%;max-width:480px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-wrap{display:flex;justify-content:space-between;height:60px;gap:12px}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:flex}
  .brand{justify-self:flex-start}
  .brand-mark{width:34px;height:34px;border-radius:11px;font-size:12px}
  .brand-text{font-size:16px}
  h1{font-size:28px}
  h2{font-size:24px}
  h3{font-size:20px}
  .hero{padding:32px 0 52px}
  .hero-badges{gap:10px}
  .badge{min-width:calc(50% - 5px);flex:1}
  .feature-grid,.hot-grid,.news-grid{grid-template-columns:1fr}
  .hot-card--wide{grid-column:span 1;flex-direction:column}
  .hot-card--wide .card-media{width:100%;aspect-ratio:16/9}
  .news-card:first-child{grid-column:span 1;flex-direction:column}
  .news-card:first-child .news-media{width:100%;aspect-ratio:16/9}
  .review-card{flex:0 0 300px}
  .rail > .review-card:nth-child(even){transform:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
  .float-card{right:12px;bottom:-14px}
}
@media (max-width:520px){
  :root{--sect:48px}
  .container{padding:0 16px}
  .assure-grid{grid-template-columns:1fr;padding:22px}
  .login-card{padding:24px}
  .cta-band{padding:28px;border-radius:24px}
  .hero-image{border-radius:22px;min-height:220px}
  .btn{padding:13px 22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --green-900:#0E3B2E;
  --green-700:#155C42;
  --green-600:#1F7A57;
  --lime:#C6F24E;
  --lime-deep:#9CC42E;
  --orange:#FF6B33;
  --bg:#F7F8F3;
  --surface:#FFFFFF;
  --sand:#EDEFE8;
  --line:#E2E6DC;
  --ink:#0C1A15;
  --ink-2:#5B6B60;
  --error:#D8492B;
  --radius-card:20px;
  --radius-lg:28px;
  --radius-xl:32px;
  --radius-img:16px;
  --radius-pill:999px;
  --radius-soft:14px;
  --sh-1:0 2px 8px rgba(12,26,21,.06);
  --sh-2:0 18px 40px -18px rgba(12,26,21,.28);
  --grad:linear-gradient(135deg,#0E3B2E 0%,#1F7A57 58%,#C6F24E 100%);
  --container:1240px;
  --section-y:88px;
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,248,243,0);
  border-bottom:1px solid transparent;
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-stuck{
  background:rgba(247,248,243,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:24px;height:72px;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--green-600);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--green-900);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--green-900);color:var(--lime);
  font-weight:900;font-size:16px;letter-spacing:.06em;
  padding:8px 12px;border-radius:12px;
}
.brand-text{font-size:17px;font-weight:800;color:var(--green-900);letter-spacing:-.01em;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;font-weight:700;font-size:15px;
  padding:13px 26px;border-radius:var(--radius-pill);
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-primary{background:var(--lime);color:#0A1B12;box-shadow:0 6px 18px -10px rgba(12,26,21,.5);}
.btn-primary:hover{background:var(--green-900);color:#fff;transform:translateY(-1px);}
.btn-primary .arrow{transition:transform var(--ease);}
.btn-primary:hover .arrow{transform:translateX(2px);}
.btn-ghost{background:transparent;color:var(--green-900);border:1.5px solid var(--green-900);border-radius:var(--radius-soft);}
.btn-ghost:hover{background:var(--green-900);color:#fff;}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;
  color:var(--green-600);text-decoration:underline;text-underline-offset:4px;
  transition:color var(--ease);
}
.link-arrow:hover{color:var(--lime-deep);}
.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);cursor:pointer;
}
.menu-toggle span{display:block;height:2px;width:20px;margin:0 auto;background:var(--green-900);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{
  overflow:hidden;max-height:0;background:var(--surface);
  border-bottom:1px solid transparent;transition:max-height 220ms ease-out,border-color var(--ease);
}
.mobile-drawer.is-open{max-height:340px;border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.mobile-drawer .container{padding-top:8px;padding-bottom:16px;}
.drawer-link{
  display:flex;align-items:center;height:52px;font-size:15px;font-weight:600;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer-link.is-active{color:var(--green-600);}
.drawer-cta{width:100%;margin-top:16px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);flex-wrap:wrap;}
.breadcrumb a{color:var(--ink-2);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--green-600);}
.breadcrumb .sep{color:#A8B4AA;}
.breadcrumb .current{color:var(--green-900);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article head ---------- */
.article-head{padding:26px 0 40px;border-bottom:1px solid var(--line);}
.article-head h1{
  font-size:40px;line-height:1.18;font-weight:900;letter-spacing:-.02em;
  color:var(--green-900);max-width:920px;
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:22px;font-size:13px;color:var(--ink-2);}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--green-900);color:var(--lime);
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:var(--radius-pill);
}
.chip-soft{background:var(--sand);color:var(--green-900);font-weight:600;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C3CCC2;}

/* ---------- layout ---------- */
.article-wrap{padding:52px 0 var(--section-y);}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;
  gap:48px;justify-content:center;align-items:start;
}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:44px 48px;box-shadow:var(--sh-1);
}
.article-body{font-size:16.5px;line-height:1.85;color:#16241C;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:25px;line-height:1.35;font-weight:800;
  color:var(--green-900);margin:2em 0 .85em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  border-radius:3px;background:var(--lime);
}
.article-body h3{font-size:19.5px;line-height:1.45;font-weight:700;color:var(--green-900);margin:1.7em 0 .6em;}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em 1.35em;}
.article-body ul li{list-style:disc;margin:.45em 0;}
.article-body ol li{list-style:decimal;margin:.45em 0;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--sand);
  border-left:4px solid var(--lime);border-radius:0 var(--radius-soft) var(--radius-soft) 0;
  color:#22352C;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:1.6em 0;outline:1px solid var(--line);outline-offset:-1px;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);margin-top:10px;text-align:center;}
.article-body a{color:var(--green-600);text-decoration:underline;text-underline-offset:3px;transition:color var(--ease);}
.article-body a:hover{color:var(--green-900);text-decoration-color:var(--lime);text-decoration-thickness:2px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px;background:var(--surface);}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left;vertical-align:top;}
.article-body th{background:var(--green-900);color:#fff;font-weight:700;}
.article-body tbody tr:nth-child(even){background:var(--sand);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}
.article-body code{
  background:var(--sand);padding:2px 6px;border-radius:6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.empty-state{
  border:1.5px dashed #C9D2C7;border-radius:var(--radius-lg);background:var(--sand);
  padding:56px 32px;text-align:center;min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.empty-state h2{font-size:23px;font-weight:800;color:var(--green-900);}
.empty-state p{color:var(--ink-2);margin:0;font-size:15px;}

/* ---------- sidebar ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:15px;font-weight:800;color:var(--green-900);margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);}
.toc-list{display:flex;flex-direction:column;}
.toc-link{
  display:block;font-size:14px;color:var(--ink-2);padding:7px 0 7px 12px;
  border-left:2px solid transparent;line-height:1.5;transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.toc-link:hover{color:var(--green-900);border-left-color:var(--lime);background:#FAFBF7;}
.toc-link.is-sub{padding-left:26px;font-size:13px;}
.side-rel{display:flex;flex-direction:column;gap:14px;}
.side-rel-item{display:flex;gap:12px;align-items:flex-start;}
.side-rel-item img{width:64px;height:52px;object-fit:cover;border-radius:10px;outline:1px solid var(--line);outline-offset:-1px;background:var(--sand);flex:0 0 auto;}
.side-rel-item span{font-size:13.5px;line-height:1.5;font-weight:600;color:var(--ink);transition:color var(--ease);}
.side-rel-item:hover span{color:var(--green-600);}
.back-entry{
  background:var(--grad);border-radius:var(--radius-card);padding:22px;color:#fff;
}
.back-entry p{margin:0 0 14px;font-size:14px;line-height:1.6;color:rgba(255,255,255,.9);}
.back-entry .btn{width:100%;}

/* ---------- footer of article ---------- */
.article-foot{margin-top:40px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .label{font-size:13px;color:var(--ink-2);margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;font-size:13px;font-weight:600;
  background:var(--sand);color:var(--green-900);padding:6px 14px;border-radius:var(--radius-pill);
  transition:background var(--ease),color var(--ease);
}
.tag:hover{background:var(--lime);color:#0A1B12;}
.rel-block{margin-top:56px;}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.block-head h2{font-size:26px;font-weight:800;color:var(--green-900);letter-spacing:-.015em;}
.block-head p{margin:6px 0 0;font-size:14.5px;color:var(--ink-2);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D3DACF;}
.rel-thumb{position:relative;aspect-ratio:16/9;background:var(--sand);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;outline:1px solid var(--line);outline-offset:-1px;}
.rel-thumb .chip{position:absolute;left:12px;top:12px;}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{
  font-size:16.5px;line-height:1.45;font-weight:700;color:var(--green-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  margin:0;font-size:14px;line-height:1.65;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{margin-top:auto;font-size:12.5px;color:var(--ink-2);display:flex;align-items:center;gap:8px;}
.foot-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--section-y);}
.cta-card{
  background:var(--grad);border-radius:var(--radius-xl);padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;
  border:1.5px solid rgba(255,255,255,.16);border-radius:50%;pointer-events:none;
}
.cta-card h2{font-size:30px;line-height:1.25;font-weight:800;color:#fff;letter-spacing:-.02em;}
.cta-card p{margin:10px 0 0;color:rgba(255,255,255,.9);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;position:relative;z-index:1;}
.cta-actions .link-arrow{color:#fff;text-decoration-color:rgba(255,255,255,.5);}
.cta-actions .link-arrow:hover{color:var(--lime);text-decoration-color:var(--lime);}
.cta-actions .btn-ghost{border-color:var(--lime);color:var(--lime);}
.cta-actions .btn-ghost:hover{background:var(--lime);color:#0A1B12;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--green-900);color:rgba(255,255,255,.82);
  border-top:1px solid var(--lime);padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;justify-self:start;}
.footer-brand .brand-mark{background:var(--lime);color:var(--green-900);}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin:0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col li{font-size:14px;color:rgba(255,255,255,.72);line-height:2.2;transition:color var(--ease);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:48px;padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);
}
.footer-chips{display:flex;gap:10px;flex-wrap:wrap;}
.footer-chips span{
  font-size:12.5px;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(198,242,78,.14);color:var(--lime);border:1px solid rgba(198,242,78,.28);
}

@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side-stack{position:static;}
  .side-card,.back-entry{max-width:100%;}
}
@media (max-width:1024px){
  :root{--section-y:64px;}
  .article-card{padding:34px 32px;}
  .article-head h1{font-size:34px;}
  .cta-card{padding:40px 36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:900px){
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  :root{--section-y:48px;}
  .container{padding:0 20px;}
  .nav-left,.nav-right{display:none;}
  .menu-toggle{display:flex;}
  .header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px;}
  .brand{justify-self:auto;}
  .brand-text{font-size:16px;}
  .crumb-bar{padding-top:16px;}
  .breadcrumb .current{max-width:200px;}
  .article-head{padding:20px 0 30px;}
  .article-head h1{font-size:28px;line-height:1.25;}
  .article-wrap{padding:36px 0 var(--section-y);}
  .article-card{padding:26px 20px;border-radius:var(--radius-card);}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21.5px;}
  .article-body h3{font-size:18px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:32px 24px;border-radius:var(--radius-lg);}
  .cta-card h2{font-size:24px;}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%;gap:12px;}
  .cta-actions .btn,.cta-actions .link-arrow{width:100%;justify-content:center;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;}
  .footer-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .article-card{padding:22px 16px;}
  .article-head h1{font-size:25px;}
  .meta-row{gap:10px;}
  .block-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .block-head h2{font-size:22px;}
  .cta-card h2{font-size:21px;}
}

/* roulang page: category1 */
:root{
  --deep:#0E3B2E;
  --green:#1F7A57;
  --lime:#C6F24E;
  --orange:#FF6B33;
  --bg:#F7F8F3;
  --card:#FFFFFF;
  --sand:#EDEFE8;
  --line:#E2E6DC;
  --ink:#0C1A15;
  --muted:#5B6B60;
  --err:#D8492B;
  --r-card:20px;
  --r-lg:28px;
  --r-band:32px;
  --r-img:16px;
  --sh1:0 2px 8px rgba(12,26,21,.06);
  --sh2:0 18px 40px -18px rgba(12,26,21,.28);
  --grad:linear-gradient(135deg,#0E3B2E 0%,#1F7A57 100%);
  --sec:88px;
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-0.02em;color:var(--ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:30px;line-height:1.25;font-weight:800}
.section-head p{color:var(--muted);font-size:15px;max-width:620px}
.text-link{color:var(--green);font-weight:600;border-bottom:1px solid rgba(31,122,87,.35);padding-bottom:2px;transition:var(--ease)}
.text-link:hover{color:var(--deep);border-bottom-color:var(--deep)}
.eyebrow{display:inline-block;background:var(--lime);color:var(--ink);font-size:12px;font-weight:800;letter-spacing:.08em;padding:6px 14px;border-radius:999px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,248,243,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:var(--bg);box-shadow:var(--sh1);border-bottom-color:var(--line)}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:16px}
.nav-side{display:flex;align-items:center;gap:28px}
.nav-left{justify-self:start}
.nav-right{justify-self:end}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 2px;transition:color var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--deep);font-weight:800}
.brand{display:inline-flex;align-items:baseline;gap:6px;justify-self:center;padding:6px 4px}
.brand-mark{font-size:22px;font-weight:900;color:var(--deep);letter-spacing:-0.03em}
.brand-text{font-size:16px;font-weight:700;color:var(--green)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--card);cursor:pointer;color:var(--deep)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--deep);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--deep)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  position:absolute;left:0;right:0;top:100%;
  background:var(--card);border-bottom:1px solid var(--line);box-shadow:var(--sh1);
  max-height:0;overflow:hidden;transition:max-height .28s ease;
}
.mobile-drawer.is-open{max-height:460px}
.mobile-drawer a{display:flex;align-items:center;height:52px;padding:0 24px;font-size:15px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.mobile-drawer a:last-child{border-bottom:0}
.mobile-drawer a.is-active{color:var(--deep);font-weight:800;background:var(--sand)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid transparent;border-radius:999px;cursor:pointer;
  font-size:15px;font-weight:800;padding:14px 26px;line-height:1.2;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-primary .arrow{transition:transform var(--ease)}
.btn-primary:hover .arrow{transform:translateX(2px)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--deep)}
.btn-outline:hover{border-color:var(--deep);background:var(--card)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ---------- category hero ---------- */
.cat-hero{position:relative;background:var(--grad);color:#fff;padding:48px 0 56px;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 12%,rgba(198,242,78,.16),transparent 46%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;right:-160px;top:-140px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);box-shadow:0 0 0 58px rgba(255,255,255,.04);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;min-height:300px}
.hero-copy h1{font-size:40px;line-height:1.15;font-weight:900;color:#fff;margin:18px 0 16px;letter-spacing:-0.02em}
.hero-sub{font-size:17px;line-height:1.75;color:rgba(255,255,255,.82);max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18)}
.hero-facts div{font-size:13px;color:rgba(255,255,255,.75)}
.hero-facts strong{display:block;font-size:22px;font-weight:900;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh2);outline:1px solid rgba(255,255,255,.2);outline-offset:-1px}

/* ---------- filter chips ---------- */
.filter-bar{padding-top:40px}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;padding:9px 18px;border-radius:999px;
  background:var(--sand);color:var(--muted);font-size:14px;font-weight:600;
  border:1px solid transparent;transition:var(--ease);
}
.chip:hover{background:var(--card);border-color:var(--line);color:var(--ink)}
.chip.is-active{background:var(--lime);color:var(--ink);font-weight:800}

/* ---------- card grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#d6dccb}
.card-media{aspect-ratio:4/3;background:var(--sand);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;outline:1px solid rgba(12,26,21,.06);outline-offset:-1px}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-tag{align-self:flex-start;font-size:12px;font-weight:800;color:var(--deep);background:rgba(31,122,87,.1);padding:4px 10px;border-radius:999px}
.card h3{font-size:18px;line-height:1.45;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card p{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.card-tags span{font-size:12px;color:var(--muted);background:var(--sand);border-radius:8px;padding:3px 9px}
.card-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--deep)}
.card-more .arrow{transition:transform var(--ease)}
.card:hover .card-more .arrow{transform:translateX(3px)}

/* ---------- badge band ---------- */
.badge-band{
  margin-top:28px;background:var(--deep);border-radius:var(--r-band);
  padding:34px 36px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  position:relative;overflow:hidden;
}
.badge-band::after{content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(198,242,78,.14),transparent 68%)}
.badge-pill{position:relative;z-index:2;display:inline-flex;align-items:baseline;gap:8px;background:var(--lime);color:var(--ink);border-radius:999px;padding:10px 20px;justify-self:start}
.badge-pill .num{font-size:24px;font-weight:900;font-variant-numeric:tabular-nums;letter-spacing:-0.02em}
.badge-pill .lab{font-size:13px;font-weight:700}

/* ---------- scenes ---------- */
.scenes{background:var(--sand)}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.scene{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh1);transition:transform var(--ease),box-shadow var(--ease)}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.scene-icon{width:44px;height:44px;border-radius:50%;background:var(--lime);color:var(--deep);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.scene h3{font-size:17px;font-weight:700;margin-bottom:8px}
.scene p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- login form ---------- */
.login-wrap{display:grid;grid-template-columns:480px 1fr;gap:48px;align-items:start}
.login-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh1)}
.login-card h2{font-size:24px;font-weight:800;margin-bottom:8px}
.form-hint{font-size:14px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--deep);margin-bottom:8px}
.field input{
  width:100%;height:48px;padding:0 16px;border-radius:14px;
  border:1.5px solid var(--line);background:var(--bg);color:var(--ink);font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field input::placeholder{color:#93a09a}
.field input:focus{outline:none;border-color:var(--green);background:var(--card);box-shadow:0 0 0 2px var(--lime)}
.field input.is-error{border-color:var(--err);box-shadow:0 0 0 2px rgba(216,73,43,.16)}
.form-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:4px 0 20px;font-size:13px;color:var(--muted)}
.check{display:inline-flex;align-items:center;gap:8px;cursor:pointer}
.check input{width:16px;height:16px;accent-color:var(--green)}
.form-status{font-size:13px;margin-top:14px;line-height:1.6}
.form-status.is-error{color:var(--err);background:rgba(255,107,51,.1);border-left:3px solid var(--orange);border-radius:10px;padding:10px 14px}
.form-status.is-ok{color:var(--green);background:rgba(31,122,87,.1);border-radius:10px;padding:10px 14px}
.form-status.is-loading{display:flex;gap:6px;align-items:center;color:var(--muted);padding:10px 2px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);animation:blink 1s infinite ease-in-out}
.dot:nth-child(2){animation-delay:.16s}
.dot:nth-child(3){animation-delay:.32s}
@keyframes blink{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.login-aside{display:flex;flex-direction:column;gap:18px}
.login-aside h3{font-size:22px;font-weight:800}
.login-aside p{color:var(--muted);font-size:15px}
.aside-list{display:flex;flex-direction:column;gap:14px;margin-top:6px}
.aside-list li{display:flex;gap:12px;font-size:15px;color:var(--ink)}
.aside-list b{color:var(--green)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item.is-open{border-color:var(--green);box-shadow:var(--sh1)}
.faq-q{
  width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);transition:color var(--ease);
}
.faq-q:hover{color:var(--deep)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--sand);color:var(--deep);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;transition:transform .2s ease,background var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--lime)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.8}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--grad);
  border-radius:var(--r-band);padding:48px 52px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{content:"";position:absolute;right:-100px;bottom:-140px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(198,242,78,.2),transparent 68%)}
.cta-band h2{font-size:28px;font-weight:800;color:#fff;margin-bottom:10px;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.8);font-size:15px;max-width:520px;position:relative;z-index:2}
.cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.cta-actions .text-link{color:#fff;border-bottom-color:rgba(255,255,255,.5)}
.cta-actions .text-link:hover{color:var(--lime);border-bottom-color:var(--lime)}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);border-top:1px solid var(--lime);margin-top:var(--sec);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{padding:0 0 16px}
.footer-brand .brand-mark{color:#fff}
.footer-brand .brand-text{color:var(--lime)}
.footer-brand p{font-size:14px;line-height:1.9;max-width:340px;color:rgba(255,255,255,.68)}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col li{font-size:14px;line-height:2.2;color:rgba(255,255,255,.7)}
.footer-col a{color:rgba(255,255,255,.7);transition:color var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}
.footer-chips{display:flex;gap:10px;flex-wrap:wrap}
.footer-chips span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:4px 12px;font-size:12px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sec:64px}
  .container{padding:0 20px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-media img{aspect-ratio:16/9;max-height:320px}
  .hero-copy h1{font-size:34px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .badge-band{grid-template-columns:repeat(2,1fr)}
  .login-wrap{grid-template-columns:1fr;gap:32px}
  .login-card{max-width:560px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--sec:48px}
  .header-inner{height:60px}
  .nav-left .nav-link,.nav-right .nav-link,.nav-right .btn{display:none}
  .nav-toggle{display:inline-flex}
  .nav-side{gap:0}
  .nav-right{display:flex}
  .hero-copy h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-media img{aspect-ratio:16/10;min-height:200px}
  .cat-hero{padding:36px 0 40px}
  .section-head h2{font-size:24px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 26px}
  .cta-band h2{font-size:22px}
  .badge-band{padding:26px 22px;border-radius:24px}
  .login-card{padding:24px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .grid-3{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .badge-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-facts{gap:16px}
  .card-body{padding:18px}
}

/* roulang page: category2 */
:root{
    --green:#0E3B2E;
    --green-2:#1F7A57;
    --lime:#C6F24E;
    --orange:#FF6B33;
    --bg:#F7F8F3;
    --card:#FFFFFF;
    --sand:#EDEFE8;
    --line:#E2E6DC;
    --ink:#0C1A15;
    --ink-2:#5B6B60;
    --err:#D8492B;
    --r-card:20px;
    --r-lg:28px;
    --r-xl:32px;
    --r-img:16px;
    --r-pill:999px;
    --r-btn2:14px;
    --sh-1:0 2px 8px rgba(12,26,21,.06);
    --sh-2:0 18px 40px -18px rgba(12,26,21,.28);
    --ctn:1240px;
    --sp-sec:88px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--bg);
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;border-style:solid}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  button{background:none;border:0;cursor:pointer}
  h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
  ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
  .container{width:100%;max-width:var(--ctn);margin:0 auto;padding:0 24px}
  .num{font-variant-numeric:tabular-nums}

  /* ============ Header / Nav ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(247,248,243,.94);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid transparent;
    transition:box-shadow .18s ease,border-color .18s ease;
  }
  .site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
  .header-inner{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:18px;
    height:72px;
  }
  .nav-side{display:flex;align-items:center;gap:26px}
  .nav-left{justify-content:flex-start}
  .nav-right{justify-content:flex-end;gap:18px}
  .nav-link{
    position:relative;
    font-size:15px;
    font-weight:600;
    color:var(--ink);
    padding:6px 2px;
    transition:color .18s ease;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:0;
    height:2px;
    background:var(--lime);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .18s ease;
  }
  .nav-link:hover{color:var(--green)}
  .nav-link:hover::after,
  .nav-link:focus-visible::after,
  .nav-link.is-active::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--green);font-weight:800}
  .brand{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-width:196px;
    font-weight:900;
    letter-spacing:-.01em;
  }
  .brand-mark{
    background:var(--green);
    color:#fff;
    font-size:16px;
    padding:5px 11px;
    border-radius:10px;
    line-height:1.3;
  }
  .brand-text{font-size:18px;color:var(--green);line-height:1.2}
  .nav-toggle{
    display:none;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width:42px;height:42px;
    border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
  }
  .nav-toggle span{
    display:block;
    width:18px;height:2px;
    margin:0 auto;
    background:var(--green);
    border-radius:2px;
    transition:transform .18s ease,opacity .18s ease;
  }
  .nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.is-active span:nth-child(2){opacity:0}
  .nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .mobile-drawer{
    display:none;
    border-top:1px solid var(--line);
    background:var(--bg);
    padding:10px 24px 20px;
  }
  .drawer-link{
    display:flex;
    align-items:center;
    height:52px;
    font-size:16px;
    font-weight:600;
    border-bottom:1px solid var(--line);
    color:var(--ink);
  }
  .drawer-link.is-active{color:var(--green);font-weight:800}
  .drawer-btn{margin-top:16px;width:100%;justify-content:center}

  /* ============ Buttons ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:var(--r-pill);
    padding:14px 26px;
    font-size:15px;
    font-weight:800;
    line-height:1.2;
    transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease,box-shadow .18s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--lime);color:var(--ink)}
  .btn-primary:hover{background:var(--green);color:#fff}
  .btn-primary:hover .arrow{transform:translateX(2px)}
  .btn-outline{
    background:transparent;
    border:1.5px solid var(--green);
    color:var(--green);
    border-radius:var(--r-btn2);
  }
  .btn-outline:hover{background:var(--green);color:#fff}
  .btn-outline-light{
    background:transparent;
    border:1.5px solid rgba(255,255,255,.6);
    color:#fff;
    border-radius:var(--r-btn2);
  }
  .btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:var(--lime);color:var(--lime)}
  .btn-sm{padding:10px 20px;font-size:14px}
  .btn-ghost{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-btn2);
    padding:9px 18px;
    font-size:14px;
    font-weight:700;
    color:var(--green);
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition:background .18s ease,border-color .18s ease,color .18s ease;
  }
  .btn-ghost:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}
  .btn:disabled,.btn-ghost:disabled{opacity:.45;cursor:not-allowed}
  .arrow{display:inline-block;transition:transform .18s ease}
  .text-link{
    font-size:15px;
    font-weight:700;
    color:var(--green);
    border-bottom:1px solid var(--green);
    padding-bottom:2px;
    transition:color .18s ease,border-color .18s ease;
  }
  .text-link:hover{color:var(--ink);border-color:var(--lime)}
  .text-link-light{
    font-size:15px;
    font-weight:700;
    color:#fff;
    border-bottom:1px solid rgba(255,255,255,.6);
    padding-bottom:2px;
    transition:color .18s ease,border-color .18s ease;
  }
  .text-link-light:hover{color:var(--lime);border-color:var(--lime)}

  /* ============ Hero ============ */
  .hero-sm{
    position:relative;
    overflow:hidden;
    background:linear-gradient(135deg,#0E3B2E 0%,#1F7A57 64%,#2C9B6C 100%);
    color:#fff;
    padding:56px 0 52px;
  }
  .hero-sm::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center right;
    opacity:.16;
    mix-blend-mode:luminosity;
  }
  .hero-sm::after{
    content:"";
    position:absolute;
    right:-120px;bottom:-160px;
    width:520px;height:520px;
    border:1px solid rgba(198,242,78,.35);
    border-radius:50%;
    opacity:.5;
    pointer-events:none;
  }
  .hero-sm-inner{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:1.45fr 1fr;
    gap:40px;
    align-items:center;
  }
  .crumbs{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:rgba(198,242,78,.92);
    margin-bottom:16px;
    flex-wrap:wrap;
  }
  .crumbs a{color:rgba(255,255,255,.75)}
  .crumbs a:hover{color:var(--lime)}
  .crumbs .sep{color:rgba(255,255,255,.45)}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(198,242,78,.16);
    border:1px solid rgba(198,242,78,.42);
    color:var(--lime);
    font-size:13px;
    font-weight:700;
    letter-spacing:.06em;
    padding:5px 14px;
    border-radius:var(--r-pill);
    margin:0 0 16px;
  }
  .hero-sm h1{
    font-size:clamp(28px,3.4vw,38px);
    line-height:1.2;
    font-weight:900;
    letter-spacing:-.02em;
    margin:0 0 14px;
  }
  .hero-sub{
    margin:0 0 26px;
    font-size:16px;
    color:rgba(255,255,255,.82);
    max-width:560px;
  }
  .hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
  .stat-cluster{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:14px;
  }
  .stat-badge{
    background:rgba(255,255,255,.09);
    border:1px solid rgba(198,242,78,.32);
    border-radius:18px;
    padding:16px 18px;
    backdrop-filter:blur(4px);
  }
  .stat-badge b{
    display:block;
    font-size:24px;
    line-height:1.15;
    font-weight:900;
    color:var(--lime);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.01em;
  }
  .stat-badge span{
    display:block;
    margin-top:4px;
    font-size:13px;
    color:rgba(255,255,255,.78);
  }

  /* ============ Sections ============ */
  .section{padding:var(--sp-sec) 0}
  .section-sm{padding:56px 0}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:28px;
    flex-wrap:wrap;
  }
  .section-head h2{font-size:30px;line-height:1.25;font-weight:800}
  .section-head .desc{margin:8px 0 0;color:var(--ink-2);font-size:15px;max-width:640px}
  .section-sand{background:var(--sand)}

  /* ============ Filter ============ */
  .filter-bar{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    margin-bottom:30px;
  }
  .chip{
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink-2);
    border-radius:var(--r-pill);
    padding:9px 20px;
    font-size:14px;
    font-weight:600;
    transition:background .18s ease,color .18s ease,border-color .18s ease;
  }
  .chip:hover{border-color:var(--green-2);color:var(--green)}
  .chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:800}

  /* ============ Large horizontal cards ============ */
  .card-list{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:24px;
  }
  .lcard{
    display:grid;
    grid-template-columns:238px minmax(0,1fr);
    gap:22px;
    align-items:start;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:18px;
    box-shadow:var(--sh-1);
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .lcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6DCCB}
  .lcard-media{
    position:relative;
    aspect-ratio:5/4;
    border-radius:var(--r-img);
    overflow:hidden;
    background:var(--sand);
  }
  .lcard-media img{
    width:100%;height:100%;
    object-fit:cover;
    border:1px solid var(--line);
    border-radius:var(--r-img);
  }
  .lcard-body{min-width:0;display:flex;flex-direction:column;gap:10px}
  .tag{
    display:inline-flex;
    align-items:center;
    align-self:flex-start;
    gap:6px;
    font-size:12px;
    font-weight:700;
    letter-spacing:.02em;
    background:var(--sand);
    color:var(--green);
    border-radius:var(--r-pill);
    padding:4px 12px;
  }
  .tag-lime{background:var(--lime);color:var(--ink)}
  .tag-orange{background:rgba(255,107,51,.12);color:var(--orange)}
  .lcard h3{
    font-size:19px;
    line-height:1.4;
    font-weight:800;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .lcard p{
    margin:0;
    font-size:14px;
    line-height:1.75;
    color:var(--ink-2);
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .lcard-foot{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-top:auto;
    padding-top:6px;
  }
  .meta-line{
    font-size:13px;
    color:var(--ink-2);
    font-variant-numeric:tabular-nums;
  }

  /* ============ Stat strip ============ */
  .stat-strip{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:20px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:30px;
    box-shadow:var(--sh-1);
  }
  .stat-item{padding:0 6px}
  .stat-item b{
    display:block;
    font-size:30px;
    line-height:1.1;
    font-weight:900;
    color:var(--green);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.02em;
  }
  .stat-item span{
    display:block;
    margin-top:6px;
    font-size:13px;
    color:var(--ink-2);
  }
  .stat-item + .stat-item{border-left:1px solid var(--line);padding-left:24px}

  /* ============ FAQ two columns ============ */
  .faq-two{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:24px;
  }
  .qa{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:26px;
    box-shadow:var(--sh-1);
    transition:transform .18s ease,box-shadow .18s ease;
  }
  .qa:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
  .qa h3{
    font-size:18px;
    line-height:1.45;
    font-weight:800;
    margin:0 0 10px;
    display:flex;
    gap:10px;
  }
  .qa h3::before{
    content:"";
    flex:0 0 auto;
    width:4px;
    border-radius:2px;
    background:var(--lime);
    margin-top:4px;
  }
  .qa p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2)}

  /* ============ CTA band ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    background:linear-gradient(135deg,#0E3B2E 0%,#1F7A57 58%,#3F9E71 100%);
    border-radius:var(--r-xl);
    padding:48px 44px;
    display:grid;
    grid-template-columns:1.5fr auto;
    gap:32px;
    align-items:center;
    color:#fff;
    box-shadow:var(--sh-2);
  }
  .cta-band::after{
    content:"";
    position:absolute;
    right:-80px;top:-120px;
    width:360px;height:360px;
    border-radius:50%;
    background:radial-gradient(circle at center,rgba(198,242,78,.35),rgba(198,242,78,0) 68%);
    pointer-events:none;
  }
  .cta-band h2{font-size:28px;line-height:1.3;font-weight:900;position:relative}
  .cta-band p{margin:10px 0 0;font-size:15px;color:rgba(255,255,255,.82);position:relative;max-width:620px}
  .cta-actions{
    display:flex;
    align-items:center;
    gap:18px;
    flex-wrap:wrap;
    position:relative;
  }

  /* ============ Footer ============ */
  .site-footer{
    background:var(--green);
    color:rgba(255,255,255,.78);
    border-top:1px solid var(--lime);
    padding:64px 0 0;
    margin-top:88px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:40px;
  }
  .footer-brand .brand{justify-content:flex-start;min-width:0;margin-bottom:16px}
  .footer-brand .brand-mark{background:var(--lime);color:var(--green)}
  .footer-brand .brand-text{color:#fff}
  .footer-brand p{
    margin:0;
    font-size:14px;
    line-height:2;
    color:rgba(255,255,255,.7);
    max-width:360px;
  }
  .footer-col h4{
    color:#fff;
    font-size:15px;
    font-weight:800;
    margin:0 0 14px;
    letter-spacing:.01em;
  }
  .footer-col li{font-size:14px;line-height:2.2;color:rgba(255,255,255,.72)}
  .footer-col a{transition:color .18s ease}
  .footer-col a:hover{color:var(--lime)}
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    border-top:1px solid rgba(255,255,255,.14);
    margin-top:48px;
    padding:22px 0;
    font-size:13px;
    color:rgba(255,255,255,.62);
  }
  .footer-chips{display:flex;gap:10px;flex-wrap:wrap}
  .footer-chips span{
    border:1px solid rgba(198,242,78,.42);
    color:var(--lime);
    border-radius:var(--r-pill);
    padding:4px 12px;
    font-size:12px;
    line-height:1.6;
  }

  /* ============ Responsive ============ */
  @media (max-width:1280px){
    .container{padding:0 20px}
    .card-list{gap:20px}
    .lcard{grid-template-columns:210px minmax(0,1fr);gap:18px}
  }
  @media (max-width:1024px){
    :root{--sp-sec:64px}
    .container{padding:0 20px}
    .card-list{grid-template-columns:1fr}
    .lcard{grid-template-columns:260px minmax(0,1fr)}
    .hero-sm-inner{grid-template-columns:1fr;gap:30px}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
    .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
    .stat-item:nth-child(3){border-left:0;padding-left:6px}
    .cta-band{grid-template-columns:1fr;padding:40px 32px}
  }
  @media (max-width:768px){
    :root{--sp-sec:48px}
    .container{padding:0 16px}
    .header-inner{grid-template-columns:auto 1fr;height:60px;gap:12px}
    .nav-side{display:none}
    .nav-toggle{display:flex}
    .brand{justify-content:flex-start;min-width:0}
    .mobile-drawer.is-open{display:block}
    .hero-sm{padding:40px 0 42px}
    .hero-sm h1{font-size:26px}
    .stat-cluster{gap:12px}
    .stat-badge{padding:13px 14px}
    .stat-badge b{font-size:20px}
    .section-head h2{font-size:23px}
    .faq-two{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:32px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .cta-band{padding:32px 22px;border-radius:24px}
    .cta-band h2{font-size:22px}
  }
  @media (max-width:520px){
    .lcard{grid-template-columns:1fr;padding:14px}
    .lcard-media{aspect-ratio:16/10}
    .stat-strip{grid-template-columns:1fr;padding:22px}
    .stat-item + .stat-item{border-left:0;padding-left:6px;border-top:1px solid var(--line);padding-top:14px}
    .stat-item:nth-child(3){border-top:1px solid var(--line);padding-top:14px}
    .hero-actions{gap:12px}
    .hero-actions .btn{width:100%}
    .cta-actions .btn{width:100%}
    .lcard-foot{flex-direction:column;align-items:flex-start;gap:10px}
  }