/* roulang page: index */
:root{
  --kg-green-600:#5E8C2A;
  --kg-green-500:#74A83A;
  --kg-green-100:#E8F0D8;
  --kg-green-soft:#F1F6E6;
  --kg-brown-900:#3B2E1E;
  --kg-brown-700:#5A4632;
  --kg-accent:#F0871F;
  --kg-accent-dark:#D9731A;
  --kg-accent-soft:#FDEBD3;
  --bg:#F7F6F0;
  --surface:#FFFFFF;
  --line:#E4E2D6;
  --text:#22271C;
  --text-muted:#616A57;
  --radius-card:14px;
  --radius-lg:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(59,46,30,.06),0 8px 24px rgba(59,46,30,.08);
  --shadow-2:0 4px 10px rgba(59,46,30,.08),0 16px 40px rgba(59,46,30,.12);
  --nav-w:240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:Inter,Arial,-apple-system,"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;text-align:left;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--kg-green-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--kg-green-500);}
button{font:inherit;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.3;font-weight:700;color:var(--text);letter-spacing:0;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--kg-accent);outline-offset:2px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 侧边导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);z-index:1040;
  background:var(--kg-brown-900);border-right:1px solid var(--kg-brown-700);
  display:flex;flex-direction:column;padding:24px 0 20px;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 20px 22px;}
.brand-mark{flex:0 0 40px;width:40px;height:40px;}
.brand-mark-sm{flex:0 0 28px;width:28px;height:28px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-main{color:#fff;font-size:16px;font-weight:700;}
.brand-sub{color:#C6E08A;font-size:12px;}
.side-links{
  padding:10px 0;overflow-y:auto;
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.side-links-plain{border:0;padding:0;margin-bottom:20px;}
.side-link{
  position:relative;display:block;padding:12px 20px;min-height:44px;
  color:rgba(255,255,255,.78);font-size:15px;line-height:1.4;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.06);color:#C6E08A;}
.side-link.is-active{background:rgba(116,168,58,.18);color:#C6E08A;font-weight:600;}
.side-link.is-active::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--kg-green-500);}
.side-foot{margin-top:auto;padding:20px;}
.side-copy{margin:12px 0 0;font-size:12px;line-height:1.65;color:rgba(255,255,255,.5);}

/* ---------- 主体 ---------- */
.site-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:1030;height:60px;
  align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:#fff;border-bottom:1px solid var(--line);
}
.mobile-brand{display:flex;align-items:center;gap:8px;color:var(--text);font-size:15px;font-weight:700;}
.hamburger{
  width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:#fff;color:var(--text);cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.hamburger:hover{background:var(--kg-green-100);color:var(--kg-green-600);}
.kg-offcanvas{background:var(--kg-brown-900);color:rgba(255,255,255,.78);width:286px;}
.kg-offcanvas .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 20px;}
.kg-offcanvas .offcanvas-title{color:#fff;font-size:15px;font-weight:700;}
.kg-offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.8);opacity:.8;}
.kg-offcanvas .offcanvas-body{padding:16px 0 24px;display:flex;flex-direction:column;}
.kg-offcanvas .offcanvas-body .btn-kg{margin:0 20px;width:calc(100% - 40px);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.2);}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(59,46,30,.82),rgba(94,140,42,.55));}
.hero .wrap{position:relative;z-index:1;}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.92fr);gap:48px;align-items:center;padding:80px 0 76px;}
.hero-copy{min-width:0;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  color:#fff;font-size:13px;margin-bottom:18px;
}
.hero h1{color:#fff;font-size:clamp(30px,3.4vw,44px);font-weight:800;line-height:1.25;margin:0 0 16px;}
.hero-sub{color:rgba(255,255,255,.88);font-size:17px;line-height:1.75;margin:0 0 30px;max-width:32em;}
.hero-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:16/10;border:1px solid rgba(255,255,255,.2);box-shadow:var(--shadow-2);}
.hero-card img{width:100%;height:100%;object-fit:cover;}
.hero-card figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;font-size:13px;color:#fff;
  background:linear-gradient(to top,rgba(59,46,30,.86),rgba(59,46,30,0));
}

/* ---------- 按钮 ---------- */
.btn-kg{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;
  border:0;border-radius:var(--radius-btn);background:var(--kg-accent);color:#fff;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn-kg:hover,.btn-kg:focus{background:var(--kg-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(240,135,31,.32);}
.btn-kg:active{transform:translateY(0);}
.btn-kg[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border:1.5px solid var(--kg-green-600);border-radius:var(--radius-btn);background:transparent;
  color:var(--kg-green-600);font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-line:hover{background:var(--kg-green-100);color:var(--kg-green-600);border-color:var(--kg-green-600);}
.btn-wline{border-color:rgba(255,255,255,.62);color:#fff;}
.btn-wline:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}
.btn-block{width:100%;}

/* ---------- 数据细条 ---------- */
.stat-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:26px 24px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:clamp(26px,2.4vw,32px);font-weight:800;line-height:1.1;color:var(--kg-green-600);font-variant-numeric:tabular-nums;}
.stat-label{margin-top:6px;font-size:13px;color:var(--text-muted);}

/* ---------- 板块 ---------- */
.section{padding:80px 0;}
.section-surface{background:var(--surface);}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:34px;}
.section-title{position:relative;margin:0;padding-left:18px;font-size:clamp(23px,2.2vw,29px);font-weight:700;}
.section-title::before{content:"";position:absolute;left:0;top:7px;width:4px;height:28px;border-radius:2px;background:var(--kg-green-600);}
.section-sub{margin:8px 0 0 18px;font-size:14px;color:var(--text-muted);line-height:1.7;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--kg-green-600);white-space:nowrap;}
.link-more svg{transition:transform .2s var(--ease);}
.link-more:hover svg{transform:translateX(3px);}

/* ---------- 权益对比表 ---------- */
.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:8px;overflow-x:auto;}
.benefit-table{width:100%;border-collapse:separate;border-spacing:0;}
.benefit-table th,.benefit-table td{
  padding:0 16px;height:56px;vertical-align:middle;text-align:center;
  font-size:15px;border-bottom:1px solid var(--line);
}
.benefit-table thead th{background:var(--kg-green-100);color:var(--kg-brown-900);font-weight:700;height:58px;border-bottom:0;}
.benefit-table thead th:first-child{text-align:left;border-radius:12px 0 0 12px;}
.benefit-table thead th:last-child{border-radius:0 12px 12px 0;}
.benefit-table tbody th{text-align:left;font-weight:600;color:var(--text);white-space:nowrap;}
.benefit-table tbody tr:last-child th,.benefit-table tbody tr:last-child td{border-bottom:0;}
.benefit-table tbody tr:hover td,.benefit-table tbody tr:hover th{background:var(--kg-green-soft);}
.benefit-table .is-rec{background:rgba(232,240,216,.55);box-shadow:inset 2px 0 0 var(--kg-green-500),inset -2px 0 0 var(--kg-green-500);}
.recommend-badge{margin-left:6px;padding:2px 8px;border-radius:999px;background:var(--kg-accent);color:#fff;font-size:11px;font-weight:600;vertical-align:middle;}
.ic-yes{color:var(--kg-green-500);}
.ic-no{color:#C9C7B8;}

/* ---------- 等级亮点 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:start;}
.tier-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:24px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(116,168,58,.45);}
.tier-card-main{grid-column:span 2;padding:0;overflow:hidden;}
.tier-media{aspect-ratio:16/9;overflow:hidden;}
.tier-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.tier-card-main:hover .tier-media img{transform:scale(1.03);}
.tier-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.tier-card h3{font-size:19px;margin:0 0 10px;}
.tier-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--kg-green-100);color:var(--kg-green-600);margin-bottom:16px;
}
.tier-desc{font-size:14px;color:var(--text-muted);margin:0 0 16px;line-height:1.8;}
.tier-card .link-more{margin-top:auto;}
.badge-tier{display:inline-block;margin-bottom:12px;padding:3px 10px;border-radius:999px;background:var(--kg-brown-900);color:#fff;font-size:12px;font-weight:600;}

/* ---------- 要点清单 ---------- */
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text-muted);line-height:1.7;margin-bottom:8px;}
.check-list li:last-child{margin-bottom:0;}
.check-list svg{flex:0 0 18px;width:18px;height:18px;margin-top:5px;color:var(--kg-green-500);}
.check-list-light li{color:rgba(255,255,255,.86);}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.preview-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);color:inherit;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.preview-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(116,168,58,.45);color:inherit;}
.preview-media{position:relative;overflow:hidden;background:#EFEDE3;}
.preview-card:nth-child(1) .preview-media,.preview-card:nth-child(4) .preview-media{aspect-ratio:16/10;}
.preview-card:nth-child(2) .preview-media,.preview-card:nth-child(3) .preview-media{aspect-ratio:4/3;}
.preview-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.preview-card:hover .preview-media img{transform:scale(1.03);}
.preview-tag{
  position:absolute;top:12px;left:12px;padding:4px 10px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--kg-green-600);font-size:12px;font-weight:600;
}
.preview-lock{
  position:absolute;top:12px;right:12px;width:30px;height:30px;border-radius:50%;
  background:rgba(59,46,30,.72);color:#fff;display:grid;place-items:center;
}
.preview-body{padding:18px 20px 20px;}
.preview-body h3{font-size:17px;margin:0 0 8px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
.preview-body p{margin:0;font-size:14px;color:var(--text-muted);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}

/* ---------- 最新信息列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(116,168,58,.45);}
.post-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:#EFEDE3;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.badge-cat{align-self:flex-start;margin-bottom:10px;padding:3px 10px;border-radius:999px;background:var(--kg-green-100);color:var(--kg-green-600);font-size:12px;font-weight:600;}
.post-title{font-size:17px;margin:0 0 8px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.post-title a{color:var(--text);}
.post-card:hover .post-title a{color:var(--kg-green-600);}
.post-excerpt{margin:0 0 16px;font-size:14px;color:var(--text-muted);overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-muted);
}
.post-meta .go{display:inline-flex;align-items:center;gap:4px;color:var(--kg-green-600);font-weight:600;}

/* ---------- 空态 ---------- */
.empty-state{
  grid-column:1/-1;min-height:200px;padding:32px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--surface);color:var(--text-muted);
}
.empty-state svg{color:var(--kg-green-500);}
.empty-state p{margin:0;font-size:15px;}

/* ---------- FAQ ---------- */
.kg-faq .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;margin-bottom:10px;box-shadow:none;
}
.kg-faq .accordion-header{margin:0;font-size:inherit;}
.kg-faq .accordion-button{
  position:relative;width:100%;padding:18px 52px 18px 24px;background:var(--surface);color:var(--text);
  font-size:16px;font-weight:600;line-height:1.5;box-shadow:none;border:0;
}
.kg-faq .accordion-button:not(.collapsed){background:var(--kg-green-100);color:var(--kg-green-600);}
.kg-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--kg-accent);outline-offset:-2px;}
.kg-faq .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--kg-green-500);
}
.kg-faq .accordion-button::after{display:none;}
.kg-faq .faq-arrow{position:absolute;right:20px;top:50%;margin-top:-9px;transition:transform .25s var(--ease);color:var(--kg-green-600);}
.kg-faq .accordion-button:not(.collapsed) .faq-arrow{transform:rotate(180deg);}
.kg-faq .accordion-body{padding:16px 24px 20px;background:var(--kg-green-100);font-size:15px;line-height:1.85;color:var(--text-muted);}

/* ---------- 开通会员表单 ---------- */
.join-band{position:relative;overflow:hidden;background:var(--kg-brown-900);color:rgba(255,255,255,.82);}
.join-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(116,168,58,.24),rgba(116,168,58,0) 66%);pointer-events:none;
}
.join-grid{position:relative;z-index:1;display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
.join-band h2{color:#fff;font-size:clamp(24px,2.4vw,30px);margin-bottom:12px;}
.join-lead{color:rgba(255,255,255,.72);margin-bottom:24px;font-size:15px;}
.join-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.5);}
.form-card{background:var(--surface);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-2);}
.field{margin-bottom:16px;}
.field label{display:block;margin-bottom:6px;font-size:13px;font-weight:600;color:var(--text-muted);}
.field .control{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea.control{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field .control:focus{outline:0;border-color:var(--kg-green-600);box-shadow:0 0 0 3px rgba(116,168,58,.2);}
select.control{
  appearance:none;-webkit-appearance:none;padding-right:42px;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23616A57' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:18px;
}
.field.has-error .control{border-color:#D9534F;}
.field .err{display:none;margin-top:6px;font-size:13px;color:#D9534F;}
.field.has-error .err{display:block;}
.check-line{display:flex;align-items:flex-start;gap:10px;margin:14px 0 18px;font-size:13px;color:var(--text-muted);line-height:1.7;}
.check-line input{width:18px;height:18px;margin-top:4px;flex:0 0 18px;accent-color:var(--kg-green-600);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--kg-brown-900);color:rgba(255,255,255,.78);padding:60px 0 0;margin-top:auto;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:32px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:12px;}
.footer-desc{margin:0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:32em;}
.footer-title{position:relative;margin:0 0 14px;padding-left:12px;font-size:14px;font-weight:700;color:#fff;}
.footer-title::before{content:"";position:absolute;left:0;top:5px;width:3px;height:14px;border-radius:2px;background:var(--kg-green-500);}
.footer-list li{margin-bottom:10px;font-size:14px;}
.footer-list a{color:rgba(255,255,255,.78);}
.footer-list a:hover{color:#C6E08A;}
.footer-text{margin:0 0 8px;font-size:14px;color:rgba(255,255,255,.66);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  padding:18px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:20px;z-index:1050;width:44px;height:44px;border:0;border-radius:50%;
  background:var(--kg-green-600);color:#fff;display:grid;place-items:center;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),background .2s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--kg-green-500);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--nav-w:200px;}
  .hero-inner{gap:32px;padding:70px 0 66px;}
  .tier-grid{gap:18px;}
}
@media (max-width:991.98px){
  .side-nav{display:none;}
  .site-main{margin-left:0;}
  .mobile-topbar{display:flex;}
  .hero-inner{grid-template-columns:minmax(0,1fr);padding:52px 0 48px;gap:28px;}
  .hero-card{display:none;}
  .section{padding:56px 0;}
  .join-grid{grid-template-columns:1fr;gap:32px;}
  .tier-grid{grid-template-columns:repeat(2,1fr);}
  .tier-card-main{grid-column:span 2;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
}
@media (max-width:767.98px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item{border-bottom:1px solid var(--line);padding:20px;}
  .stat-item:nth-child(2n){border-right:0;}
  .stat-item:nth-child(n+3){border-bottom:0;}
  .post-grid{grid-template-columns:1fr;}
  .preview-grid{grid-template-columns:1fr;}
  .tier-grid{grid-template-columns:1fr;}
  .tier-card-main{grid-column:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-sub{margin-left:18px;}
  .table-wrap{padding:0;border:0;background:transparent;}
}
@media (max-width:575.98px){
  body{font-size:15px;}
  .wrap{padding:0 16px;}
  .section{padding:40px 0;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:15px;}
  .btn-row{flex-direction:column;}
  .btn-kg,.btn-line{width:100%;}
  .form-card{padding:20px;}
  .site-footer{padding-top:44px;}
}

/* roulang page: category1 */
:root{
  --kg-green-600:#5E8C2A;
  --kg-green-500:#74A83A;
  --kg-green-100:#E8F0D8;
  --kg-brown-900:#3B2E1E;
  --kg-brown-700:#5A4632;
  --kg-accent:#F0871F;
  --kg-accent-dark:#D9731A;
  --kg-accent-soft:#FDEBD3;
  --bg:#F7F6F0;
  --surface:#FFFFFF;
  --line:#E4E2D6;
  --text:#22271C;
  --text-muted:#616A57;
  --radius-card:14px;
  --radius-lg:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(59,46,30,.06),0 8px 24px rgba(59,46,30,.08);
  --shadow-2:0 4px 10px rgba(59,46,30,.08),0 16px 40px rgba(59,46,30,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --side-w:240px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,-apple-system,"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--kg-accent);outline-offset:2px}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:80px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:32px;position:relative}
.section-head h2{
  font-size:28px;line-height:1.3;font-weight:700;
  padding-left:16px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:4px;width:4px;height:28px;
  border-radius:2px;background:var(--kg-green-500);
}
.section-head p{
  margin-top:10px;color:var(--text-muted);font-size:15px;padding-left:16px;
}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--kg-brown-900);
  border-right:1px solid var(--kg-brown-700);
  display:flex;flex-direction:column;
  padding:24px 0 20px;z-index:1040;
}
.brand-block{
  display:flex;align-items:center;gap:12px;
  padding:0 20px 22px;border-bottom:1px solid rgba(255,255,255,.10);
}
.brand-mark{width:38px;height:38px;flex:0 0 38px}
.brand-mark-sm{width:30px;height:30px;flex:0 0 30px}
.brand-text{display:flex;flex-direction:column;line-height:1.35}
.brand-text strong{color:#fff;font-size:15px;font-weight:700;letter-spacing:.01em}
.brand-text small{color:rgba(255,255,255,.60);font-size:12px;font-weight:400}
.side-links{display:flex;flex-direction:column;padding:18px 0;flex:1 1 auto;overflow-y:auto}
.side-link{
  display:flex;align-items:center;
  height:44px;padding:12px 20px;
  color:rgba(255,255,255,.78);font-size:15px;
  border-left:3px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.06);color:#C6E08A}
.side-link.is-active{
  background:rgba(116,168,58,.18);
  color:#C6E08A;font-weight:600;
  border-left-color:var(--kg-green-500);
}
.side-foot{padding:18px 20px 0;border-top:1px solid rgba(255,255,255,.10)}
.side-foot .side-note{
  margin-top:14px;font-size:12px;line-height:1.7;color:rgba(255,255,255,.52);
}
.content-area{margin-left:var(--side-w);min-height:100vh}

/* ---------- 移动端顶部栏 ---------- */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:1030;
  height:60px;align-items:center;justify-content:space-between;
  padding:0 16px;background:#fff;border-bottom:1px solid var(--line);
}
.mobile-brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--kg-brown-900)}
.menu-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--kg-green-100);border:1px solid transparent;border-radius:var(--radius-btn);
  color:var(--kg-green-600);cursor:pointer;
  transition:background .2s var(--ease);
}
.menu-btn:hover{background:#DCE9C4}
.kg-offcanvas{background:var(--kg-brown-900);color:#fff;width:290px}
.kg-offcanvas .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.10);padding:18px 20px}
.kg-offcanvas .offcanvas-title{font-size:16px;font-weight:700;color:#fff}
.btn-close-kg{
  width:36px;height:36px;border-radius:8px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;line-height:1;font-size:20px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.kg-offcanvas .offcanvas-body{padding:0 0 24px;display:flex;flex-direction:column}
.kg-offcanvas .side-links{flex:1 1 auto}
.kg-offcanvas .side-foot{border-top:1px solid rgba(255,255,255,.10)}

/* ---------- 按钮 ---------- */
.btn-kg{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:12px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),
             border-color .2s var(--ease),transform .2s var(--ease),
             box-shadow .2s var(--ease);
}
.btn-kg:active{transform:translateY(0)}
.btn-kg-primary{background:var(--kg-accent);color:#fff;box-shadow:0 6px 16px rgba(240,135,31,.24)}
.btn-kg-primary:hover{background:var(--kg-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(240,135,31,.30)}
.btn-kg-outline{background:transparent;color:var(--kg-green-600);border-color:var(--kg-green-500)}
.btn-kg-outline:hover{background:var(--kg-green-100);color:var(--kg-green-600);transform:translateY(-2px)}
.btn-kg-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-kg-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-kg[disabled],.btn-kg.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-block{width:100%}
.side-foot .btn-kg{width:100%}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:14px;color:rgba(255,255,255,.72);margin-bottom:14px;
}
.crumbs a{color:rgba(255,255,255,.88);border-bottom:1px solid rgba(255,255,255,.32);padding-bottom:1px}
.crumbs a:hover{color:#fff;border-bottom-color:#fff}
.crumb-current{color:rgba(255,255,255,.68)}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  min-height:270px;
  display:flex;align-items:center;
  padding:56px 0 48px;
  color:#fff;
  background-image:
    linear-gradient(100deg,rgba(59,46,30,.82),rgba(94,140,42,.55)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:rgba(255,255,255,.22);
}
.hero-inner{position:relative;z-index:2}
.cat-hero h1{
  font-size:clamp(28px,3vw,38px);
  line-height:1.25;font-weight:800;letter-spacing:.01em;color:#fff;
  max-width:760px;
}
.hero-sub{
  margin-top:14px;font-size:16px;line-height:1.7;
  color:rgba(255,255,255,.88);max-width:620px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:rgba(255,255,255,.16);color:#fff;
  border:1px solid rgba(255,255,255,.28);
}

/* ---------- 流程条 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(116,168,58,.45)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--kg-green-100);color:var(--kg-green-600);
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.step-card h3{margin-top:14px;font-size:18px;font-weight:700;line-height:1.4}
.step-card p{margin-top:8px;font-size:14px;color:var(--text-muted);line-height:1.8}

/* ---------- 图文交错内容条 ---------- */
.entry-row{
  display:grid;grid-template-columns:5fr 7fr;
  gap:44px;align-items:center;
  padding-bottom:64px;margin-bottom:64px;
  border-bottom:1px dashed var(--line);
}
.entry-row:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0}
.entry-row.is-flip{grid-template-columns:7fr 5fr}
.entry-row.is-flip .entry-media{order:2}
.entry-row.is-flip .entry-body{order:1}
.entry-media{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.entry-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;transition:transform .3s var(--ease)}
.entry-media:hover img{transform:scale(1.03)}
.entry-media .media-badge{
  position:absolute;left:14px;top:14px;
  height:24px;padding:0 12px;border-radius:999px;
  display:inline-flex;align-items:center;
  background:rgba(232,240,216,.94);color:var(--kg-green-600);
  font-size:12px;font-weight:600;
}
.entry-body h2{
  font-size:26px;line-height:1.3;font-weight:700;
  padding-left:16px;position:relative;
}
.entry-body h2::before{
  content:"";position:absolute;left:0;top:5px;width:4px;height:26px;
  border-radius:2px;background:var(--kg-green-500);
}
.entry-body p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--text)}
.entry-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.entry-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-muted)}
.entry-list li svg{flex:0 0 18px;width:18px;height:18px;margin-top:5px;color:var(--kg-green-500)}

/* ---------- 数据带 ---------- */
.data-band{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:32px 24px;
  box-shadow:var(--shadow-1);
}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.data-cell{
  text-align:center;padding:0 16px;
  border-right:1px solid var(--line);
}
.data-cell:last-child{border-right:0}
.data-num{
  font-size:30px;font-weight:800;color:var(--kg-green-600);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.data-num small{font-size:14px;font-weight:600;margin-left:2px}
.data-label{margin-top:6px;font-size:13px;color:var(--text-muted);line-height:1.6}

/* ---------- FAQ ---------- */
.kg-accordion .accordion-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:12px;margin-bottom:10px;overflow:hidden;
}
.kg-accordion .accordion-button{
  font-size:16px;font-weight:600;color:var(--text);
  background:var(--surface);padding:18px 20px;
  border-left:3px solid var(--kg-green-500);
  box-shadow:none;
}
.kg-accordion .accordion-button:not(.collapsed){
  background:var(--kg-green-100);color:var(--kg-green-600);
}
.kg-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--kg-accent);outline-offset:-2px}
.kg-accordion .accordion-button::after{
  width:18px;height:18px;background-size:18px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%235E8C2A' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  transition:transform .25s var(--ease);
}
.kg-accordion .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.kg-accordion .accordion-body{
  padding:18px 20px 20px;font-size:15px;line-height:1.85;color:var(--text-muted);
  background:var(--surface);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--kg-green-100);
  border-radius:var(--radius-lg);
  padding:32px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  border:1px solid rgba(116,168,58,.28);
}
.cta-band h2{font-size:22px;font-weight:700;line-height:1.4}
.cta-band p{margin-top:6px;font-size:14px;color:var(--kg-brown-700);line-height:1.7}
.cta-band .btn-kg{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--kg-brown-900);color:rgba(255,255,255,.78);
  margin-top:64px;padding:56px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:15px;font-weight:700}
.footer-desc{margin-top:14px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:280px}
.footer-title{
  position:relative;font-size:14px;font-weight:700;color:#fff;
  padding-left:12px;margin-bottom:16px;
}
.footer-title::before{
  content:"";position:absolute;left:0;top:4px;width:3px;height:15px;
  border-radius:2px;background:var(--kg-green-500);
}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:13.5px;color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-list a:hover{color:#C6E08A}
.footer-text{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:6px}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:20px;z-index:1050;
  width:44px;height:44px;border-radius:50%;
  display:none;align-items:center;justify-content:center;
  background:var(--kg-accent);color:#fff;border:0;cursor:pointer;
  box-shadow:0 8px 22px rgba(240,135,31,.32);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{background:var(--kg-accent-dark);transform:translateY(-2px)}
.to-top.is-show{display:inline-flex}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--side-w:200px}
  .wrap{padding:0 24px}
  .entry-row{gap:32px}
}
@media (max-width:991.98px){
  .side-nav{display:none}
  .content-area{margin-left:0}
  .mobile-bar{display:flex}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .step-grid{grid-template-columns:1fr 1fr}
  .entry-row,.entry-row.is-flip{grid-template-columns:1fr;gap:24px}
  .entry-row.is-flip .entry-media{order:0}
  .entry-row.is-flip .entry-body{order:0}
  .data-grid{grid-template-columns:1fr 1fr;gap:24px 0}
  .data-cell:nth-child(2){border-right:0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px}
  .cat-hero{min-height:240px;padding:40px 0 36px}
  .step-grid{grid-template-columns:1fr}
  .entry-body h2{font-size:22px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px}
  .cta-band .btn-kg{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section{padding:44px 0}
  .entry-row{padding-bottom:40px;margin-bottom:40px}
}
@media (max-width:575.98px){
  .section{padding:32px 0}
  .data-grid{grid-template-columns:1fr 1fr}
  .data-num{font-size:26px}
  .btn-kg{width:100%}
  .hero-tag{font-size:11.5px}
}

/* roulang page: article */
:root{
  --kg-green-600:#5E8C2A;
  --kg-green-500:#74A83A;
  --kg-green-100:#E8F0D8;
  --kg-brown-900:#3B2E1E;
  --kg-brown-700:#5A4632;
  --kg-accent:#F0871F;
  --kg-accent-dark:#D9731A;
  --kg-accent-soft:#FDEBD3;
  --bg:#F7F6F0;
  --surface:#FFFFFF;
  --line:#E4E2D6;
  --text:#22271C;
  --text-muted:#616A57;
  --radius-card:14px;
  --radius-lg:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(59,46,30,.06), 0 8px 24px rgba(59,46,30,.08);
  --shadow-2:0 4px 10px rgba(59,46,30,.08), 0 16px 40px rgba(59,46,30,.12);
  --sidebar-w:240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.35;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
a{color:var(--kg-green-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--kg-accent-dark);}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--kg-accent);outline-offset:2px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ===== 左侧竖向导航 ===== */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--kg-brown-900);
  border-right:1px solid var(--kg-brown-700);
  display:flex;
  flex-direction:column;
  padding:24px 0 18px;
  overflow-y:auto;
  z-index:1040;
}
.side-brand{display:flex;align-items:center;gap:12px;padding:0 20px 20px;color:#fff;}
.brand-mark{width:40px;height:40px;flex:0 0 40px;}
.brand-mark-sm{width:30px;height:30px;flex:0 0 30px;}
.brand-text{display:flex;flex-direction:column;line-height:1.3;}
.brand-text strong{font-size:16px;font-weight:700;color:#fff;}
.brand-text em{font-style:normal;font-size:11.5px;letter-spacing:.18em;color:rgba(255,255,255,.58);}
.side-links{
  display:flex;flex-direction:column;gap:2px;
  padding:16px 12px 0;margin-top:8px;
  border-top:1px solid rgba(255,255,255,.09);
}
.side-link{
  display:flex;align-items:center;
  min-height:44px;padding:12px 16px;
  font-size:15px;color:rgba(255,255,255,.78);
  border-radius:8px;border-left:3px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.06);color:#C6E08A;}
.side-link.is-active{
  background:rgba(116,168,58,.18);
  color:#C6E08A;font-weight:600;
  border-left-color:var(--kg-green-500);
}
.side-foot{margin-top:auto;padding:20px 20px 0;border-top:1px solid rgba(255,255,255,.09);}
.side-copy{font-size:12px;line-height:1.6;color:rgba(255,255,255,.45);margin:14px 0 0;}

/* ===== 移动顶栏 ===== */
.topbar{
  display:none;
  position:sticky;top:0;
  height:60px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  z-index:1030;
}
.topbar-inner{height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;}
.topbar-brand{display:flex;align-items:center;gap:10px;color:var(--kg-brown-900);font-size:15px;font-weight:700;}
.topbar-brand:hover{color:var(--kg-green-600);}
.menu-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:10px;color:var(--kg-brown-900);
  cursor:pointer;transition:background .2s var(--ease),border-color .2s var(--ease);
}
.menu-btn:hover{background:var(--kg-green-100);border-color:rgba(116,168,58,.45);}
.nav-drawer{background:var(--kg-brown-900) !important;color:rgba(255,255,255,.8);}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 20px;}
.nav-drawer .offcanvas-body{padding:18px 12px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;font-size:22px;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.08);}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-links .side-link{font-size:15px;}

/* ===== 主区域 ===== */
.site-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}

/* ===== 按钮 ===== */
.btn-kg{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:12px 24px;
  font-size:15px;font-weight:600;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-kg-primary{background:var(--kg-accent);color:#fff;box-shadow:0 6px 16px rgba(240,135,31,.24);}
.btn-kg-primary:hover{background:var(--kg-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(240,135,31,.32);}
.btn-kg-primary:active{transform:translateY(0);}
.btn-kg-secondary{background:transparent;color:var(--kg-green-600);border:1.5px solid var(--kg-green-500);}
.btn-kg-secondary:hover{background:var(--kg-green-100);color:var(--kg-green-600);}
.btn-kg-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45);}
.btn-kg-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-kg:disabled,.btn-kg.is-disabled{opacity:.5;cursor:not-allowed;}
.btn-block{width:100%;}

/* ===== 文章头部 ===== */
.article-wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.article-head{padding:34px 0 0;}
.breadcrumb-nav{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-muted);margin-bottom:22px;
}
.breadcrumb-nav a{color:var(--text-muted);}
.breadcrumb-nav a:hover{color:var(--kg-green-600);}
.breadcrumb-nav .sep{color:#C9CBBE;}
.breadcrumb-nav .current{
  color:#9AA391;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-title{
  font-size:clamp(26px,2.6vw,34px);
  line-height:1.3;font-weight:800;margin:0 0 18px;letter-spacing:.005em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13.5px;color:var(--text-muted);
  padding-bottom:26px;border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;background:var(--kg-green-100);color:var(--kg-green-600);
  font-size:12.5px;font-weight:600;
}

/* ===== 文章布局 ===== */
.article-grid{padding:34px 0 0;}
.article-body{max-width:820px;margin:0 auto;font-size:17px;line-height:1.85;color:var(--text);}
.article-toc{display:none;}

/* ===== 正文排版 ===== */
.article-body h2{
  position:relative;
  font-size:26px;line-height:1.35;font-weight:700;
  margin:40px 0 16px;padding-left:16px;
  scroll-margin-top:88px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:22px;border-radius:2px;background:var(--kg-green-500);
}
.article-body h3{font-size:19px;line-height:1.45;font-weight:700;margin:28px 0 12px;scroll-margin-top:88px;}
.article-body p{font-size:17px;line-height:1.85;margin:0 0 1.15em;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em;}
.article-body ul{list-style:none;padding-left:1.2em;}
.article-body ul>li{position:relative;line-height:1.8;margin-bottom:.5em;}
.article-body ul>li::before{
  content:"";position:absolute;left:-1.2em;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--kg-green-500);
}
.article-body ol>li{line-height:1.8;margin-bottom:.5em;}
.article-body ol>li::marker{color:var(--kg-green-600);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:4px solid var(--kg-green-500);
  background:var(--kg-green-100);
  border-radius:0 12px 12px 0;
  color:#39432B;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:22px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-muted);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body thead th{
  background:var(--kg-green-100);color:var(--kg-brown-900);
  font-weight:700;text-align:left;padding:13px 16px;
}
.article-body tbody td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:middle;}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body pre{
  background:var(--bg);border:1px solid var(--line);
  padding:16px 18px;border-radius:10px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{background:var(--kg-green-100);padding:2px 6px;border-radius:6px;font-size:14px;}
.article-body pre code{background:transparent;padding:0;}
.article-body hr{border:none;border-top:1px dashed var(--line);margin:32px 0;}
.article-body a{border-bottom:1px solid rgba(94,140,42,.35);}
.article-body strong{font-weight:700;color:#313B24;}

/* ===== 空态 ===== */
.empty-state{
  min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:36px 24px;text-align:center;background:var(--surface);
}
.empty-state svg{color:var(--kg-green-500);}
.empty-state p{margin:0;font-size:15px;color:var(--text-muted);}

/* ===== 目录 ===== */
.toc-title{
  font-size:15px;font-weight:700;margin:0 0 14px;padding-left:10px;
  border-left:3px solid var(--kg-green-500);color:var(--kg-brown-900);
}
.toc-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--line);}
.toc-list li{margin:0;}
.toc-list a{
  display:block;padding:6px 0 6px 14px;margin-left:-1px;
  font-size:13.5px;line-height:1.5;color:var(--text-muted);
  border-left:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--kg-green-600);border-left-color:var(--kg-green-500);}
.toc-list a.is-current{color:var(--kg-green-600);font-weight:600;border-left-color:var(--kg-green-500);}

@media (min-width:1200px){
  .article-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:44px;align-items:start;}
  .article-grid.no-toc{grid-template-columns:minmax(0,1fr);}
  .article-grid.no-toc .article-toc{display:none;}
  .article-toc{display:block;position:sticky;top:88px;}
}

/* ===== 标签行 ===== */
.article-tags{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  max-width:820px;margin:44px auto 0;padding-top:24px;
  border-top:1px dashed var(--line);
}
.tag-pill{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:999px;background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--text-muted);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tag-pill:hover{border-color:rgba(116,168,58,.5);color:var(--kg-green-600);}

/* ===== 板块标题 ===== */
.section-title{
  position:relative;font-size:26px;font-weight:700;line-height:1.3;
  margin:0 0 8px;padding-left:16px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:24px;border-radius:2px;background:var(--kg-green-500);
}
.section-sub{font-size:14px;color:var(--text-muted);margin:0 0 26px;padding-left:16px;}

/* ===== 相关推荐 ===== */
.related{margin-top:64px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{
  display:block;height:100%;color:inherit;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(116,168,58,.45);color:inherit;}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--kg-green-100);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:18px 20px 20px;}
.post-badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:999px;background:var(--kg-green-100);color:var(--kg-green-600);
  font-size:12px;font-weight:600;margin-bottom:10px;
}
.post-title{
  font-size:16px;font-weight:700;line-height:1.45;margin:0 0 8px;color:var(--kg-brown-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.post-card:hover .post-title{color:var(--kg-green-600);}
.post-desc{
  font-size:13.5px;line-height:1.7;color:var(--text-muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:14px;padding-top:12px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-muted);font-variant-numeric:tabular-nums;
}
.post-more{display:inline-flex;align-items:center;gap:4px;color:var(--kg-green-600);font-weight:600;}

/* ===== FAQ ===== */
.faq-section{margin-top:64px;}
.faq-acc .accordion-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:12px;margin-bottom:10px;overflow:hidden;box-shadow:var(--shadow-1);
}
.faq-acc .accordion-button{
  font-size:16px;font-weight:600;color:var(--kg-brown-900);
  background:var(--surface);border-left:3px solid var(--kg-green-500);
  padding:16px 20px;box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--kg-green-100);color:var(--kg-green-600);box-shadow:none;
}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:var(--line);}
.faq-acc .accordion-button::after{
  width:18px;height:18px;background-size:18px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235E8C2A' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  transition:transform .25s var(--ease);
}
.faq-acc .accordion-body{padding:4px 20px 20px;font-size:15px;line-height:1.85;color:var(--text-muted);}

/* ===== CTA ===== */
.join-cta{
  margin-top:64px;
  background:var(--kg-green-100);
  border-radius:var(--radius-lg);
  padding:30px 34px;
  display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
}
.join-cta h2{font-size:22px;font-weight:700;margin:0 0 6px;color:var(--kg-brown-900);}
.join-cta p{margin:0;font-size:14.5px;color:var(--text-muted);}
.join-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{background:var(--kg-brown-900);color:rgba(255,255,255,.78);padding:56px 0 24px;margin-top:76px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66);max-width:300px;margin:0;}
.footer-title{
  font-size:14px;font-weight:700;color:#fff;
  padding-left:10px;border-left:3px solid var(--kg-green-500);
  margin:0 0 16px;
}
.footer-list{list-style:none;padding:0;margin:0;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.78);}
.footer-list a:hover{color:#C6E08A;}
.footer-text{font-size:14px;color:rgba(255,255,255,.66);margin:0 0 10px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:38px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ===== 返回顶部 ===== */
.to-top{
  position:fixed;right:18px;bottom:18px;
  width:44px;height:44px;border-radius:50%;
  display:none;align-items:center;justify-content:center;
  background:var(--kg-accent);color:#fff;border:none;
  box-shadow:0 8px 20px rgba(240,135,31,.35);
  cursor:pointer;z-index:1035;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{background:var(--kg-accent-dark);transform:translateY(-2px);}
.to-top.is-on{display:flex;}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  :root{--sidebar-w:200px;}
}
@media (max-width:991.98px){
  .side-nav{display:none;}
  .topbar{display:block;}
  .site-main{margin-left:0;}
  .article-wrap{padding:0 20px;}
  .article-grid{padding-top:28px;}
  .article-body{font-size:16.5px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .related-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  .article-head{padding-top:26px;}
  .article-title{font-size:25px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;margin-top:34px;}
  .article-body h3{font-size:17.5px;}
  .article-body p{font-size:16px;}
  .section-title{font-size:22px;}
  .related-grid{grid-template-columns:1fr;}
  .join-cta{padding:24px 20px;}
  .to-top{display:none;}
  .to-top.is-on{display:flex;}
  .site-footer{padding:44px 0 20px;margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:575.98px){
  .article-wrap{padding:0 16px;}
  .article-title{font-size:23px;}
  .article-meta{font-size:13px;gap:8px 14px;}
  .breadcrumb-nav{font-size:13px;}
  .breadcrumb-nav .current{max-width:180px;}
  .join-cta-actions{width:100%;}
  .join-cta-actions .btn-kg{width:100%;}
}

/* roulang page: category2 */
:root{
  --kg-green-600:#5E8C2A;
  --kg-green-500:#74A83A;
  --kg-green-100:#E8F0D8;
  --kg-brown-900:#3B2E1E;
  --kg-brown-700:#5A4632;
  --kg-accent:#F0871F;
  --kg-accent-dark:#D9731A;
  --kg-accent-soft:#FDEBD3;
  --bg:#F7F6F0;
  --surface:#FFFFFF;
  --line:#E4E2D6;
  --text:#22271C;
  --text-muted:#616A57;
  --radius-card:14px;
  --radius-lg:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(59,46,30,.06),0 8px 24px rgba(59,46,30,.08);
  --shadow-2:0 4px 10px rgba(59,46,30,.08),0 16px 40px rgba(59,46,30,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --side-w:240px;
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-primary:#5E8C2A;
  --bs-border-radius:14px;
  --bs-link-color:#5E8C2A;
  --bs-link-hover-color:#D9731A;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  font-family:Inter,-apple-system,"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--kg-green-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--kg-accent-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em;color:var(--text);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--kg-accent);outline-offset:2px;}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--kg-brown-900);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:2000;}
.skip-link:focus{left:0;color:#fff;}

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

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--kg-brown-900);
  border-right:1px solid var(--kg-brown-700);
  display:flex;flex-direction:column;
  z-index:1040;
}
.side-brand{display:flex;align-items:center;gap:12px;padding:22px 20px;border-bottom:1px solid rgba(255,255,255,.08);}
.brand-mark{width:40px;height:40px;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{color:#fff;font-size:16px;font-weight:700;}
.brand-text small{color:rgba(255,255,255,.6);font-size:12px;letter-spacing:.04em;}
.side-links{display:flex;flex-direction:column;gap:4px;padding:16px 12px;flex:1 1 auto;overflow-y:auto;}
.side-link{
  display:flex;align-items:center;min-height:44px;
  padding:12px 16px;border-radius:10px;
  border-left:3px solid transparent;
  color:rgba(255,255,255,.78);font-size:15px;line-height:1.4;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.06);color:#C6E08A;}
.side-link.is-active{background:rgba(116,168,58,.18);border-left-color:var(--kg-green-500);color:#C6E08A;font-weight:600;}
.side-foot{padding:16px 20px 24px;border-top:1px solid rgba(255,255,255,.08);}
.side-copy{margin:14px 0 0;font-size:12px;color:rgba(255,255,255,.5);line-height:1.6;}

/* ============ 按钮 ============ */
.btn-main,.btn-outline-kg,.btn-ghost-kg{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;border:1.5px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-main{background:var(--kg-accent);color:#fff;box-shadow:0 6px 16px rgba(240,135,31,.22);}
.btn-main:hover{background:var(--kg-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(240,135,31,.3);}
.btn-main:active{transform:translateY(0);}
.btn-outline-kg{background:transparent;border-color:var(--kg-green-500);color:var(--kg-green-600);}
.btn-outline-kg:hover{background:var(--kg-green-100);color:var(--kg-green-600);border-color:var(--kg-green-600);}
.btn-ghost-kg{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost-kg:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-main.is-block,.btn-outline-kg.is-block{width:100%;}
.btn-main[disabled],.btn-outline-kg[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 ============ */
.badge-kg{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;white-space:nowrap;}
.badge-green{background:var(--kg-green-100);color:var(--kg-green-600);}
.badge-accent{background:var(--kg-accent);color:#fff;}
.badge-brown{background:var(--kg-brown-900);color:#fff;}

/* ============ 移动端顶栏 ============ */
.topbar{display:none;}
@media (max-width:991.98px){
  .topbar{
    display:flex;align-items:center;justify-content:space-between;
    position:sticky;top:0;height:60px;padding:0 16px;
    background:#fff;border-bottom:1px solid var(--line);z-index:1035;
  }
  .topbar-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:15px;}
  .topbar-brand .brand-mark{width:30px;height:30px;}
  .topbar-toggle{
    width:44px;height:44px;display:grid;place-items:center;
    background:var(--bg);border:1px solid var(--line);border-radius:10px;color:var(--kg-brown-900);
  }
  .topbar-toggle:hover{background:var(--kg-green-100);border-color:rgba(116,168,58,.45);}
}
.nav-drawer{width:288px;background:var(--kg-brown-900);color:#fff;border-right:0;}
.nav-drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.08);align-items:center;}
.nav-drawer .offcanvas-header .side-brand{padding:0;border:0;}
.nav-drawer .offcanvas-body{padding:16px 12px 24px;display:flex;flex-direction:column;}
.drawer-close{width:40px;height:40px;display:grid;place-items:center;background:transparent;border:1px solid rgba(255,255,255,.28);border-radius:10px;color:#fff;}
.drawer-close:hover{background:rgba(255,255,255,.12);}
.nav-drawer .side-links{padding:0;flex:1 1 auto;}
.nav-drawer .side-foot{padding:20px 8px 0;}

/* ============ 主内容区 ============ */
.page-main{margin-left:var(--side-w);}
@media (max-width:1199.98px){:root{--side-w:200px;}}
@media (max-width:991.98px){.page-main{margin-left:0;}}
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
@media (max-width:991.98px){.section{padding:56px 0;}.section-tight{padding:44px 0;}}
@media (max-width:575.98px){.section{padding:40px 0;}.section-tight{padding:32px 0;}}

/* 面包屑 */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:24px 0 0;font-size:14px;color:var(--text-muted);}
.crumb a{color:var(--text-muted);}
.crumb a:hover{color:var(--kg-green-600);}
.crumb .sep{color:#C9C6B4;}
.crumb .cur{color:var(--text);}

/* 标题条 */
.cat-hero{min-height:200px;display:flex;align-items:center;padding:36px 0 40px;}
.cat-hero-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--kg-green-600);}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--kg-green-500);}
.cat-hero h1{font-size:clamp(30px,3vw,38px);font-weight:800;line-height:1.25;letter-spacing:.01em;}
.cat-hero-sub{margin:12px 0 0;font-size:16px;color:var(--text-muted);}
.cat-hero-art{width:150px;height:150px;flex:none;}
@media (max-width:991.98px){.cat-hero-art{display:none;}}

/* 板块标题 */
.sec-head{margin-bottom:32px;}
.sec-head h2{position:relative;padding-left:18px;font-size:clamp(24px,2.4vw,28px);}
.sec-head h2::before{content:"";position:absolute;left:0;top:.16em;width:4px;height:1.05em;border-radius:2px;background:var(--kg-green-500);}
.sec-sub{margin:10px 0 0;font-size:15px;color:var(--text-muted);}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--kg-green-600);}
.text-link:hover{color:var(--kg-accent-dark);}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);
  padding:26px 8px;margin-top:-8px;
}
.stat-item{padding:0 14px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:30px;font-weight:800;color:var(--kg-green-600);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat-num small{font-size:15px;font-weight:700;margin-left:2px;}
.stat-label{margin-top:6px;font-size:13px;color:var(--text-muted);line-height:1.5;}
@media (max-width:767.98px){
  .stat-strip{grid-template-columns:repeat(2,1fr);padding:14px 6px;}
  .stat-item{padding:14px 12px;border-right:1px solid var(--line);border-bottom:1px dashed var(--line);}
  .stat-item:nth-child(2n){border-right:0;}
  .stat-item:nth-child(n+3){border-bottom:0;}
  .stat-num{font-size:26px;}
}

/* 编号列表 */
.num-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:10px 22px;}
.num-item{
  display:grid;grid-template-columns:92px 1fr;gap:22px;align-items:start;
  padding:26px 16px;border-bottom:1px dashed var(--line);border-radius:12px;
  transition:background .24s var(--ease);
}
.num-item:last-child{border-bottom:0;}
.num-item:hover{background:var(--bg);}
.num-index{font-size:32px;font-weight:800;color:var(--kg-green-500);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.num-body h3{font-size:19px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.num-body p{margin:8px 0 0;font-size:15px;color:var(--text-muted);line-height:1.8;}
@media (max-width:767.98px){
  .num-panel{padding:6px 12px;}
  .num-item{grid-template-columns:1fr;gap:10px;padding:20px 12px;}
  .num-index{font-size:26px;}
}

/* 参数卡 */
.param-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.param-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.param-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(116,168,58,.45);}
.param-key{font-size:13px;color:var(--text-muted);letter-spacing:.03em;}
.param-val{margin-top:8px;font-size:18px;font-weight:700;line-height:1.5;}
@media (max-width:767.98px){.param-grid{grid-template-columns:1fr;}}

/* 图片横幅 */
.photo-band{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  min-height:260px;display:flex;align-items:flex-end;box-shadow:var(--shadow-1);
}
.photo-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.photo-band::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(59,46,30,.82),rgba(94,140,42,.55));}
.photo-band-body{position:relative;z-index:2;max-width:660px;padding:36px;color:#fff;}
.photo-band-body h2{color:#fff;font-size:clamp(22px,2.3vw,27px);position:relative;padding-left:18px;}
.photo-band-body h2::before{content:"";position:absolute;left:0;top:.16em;width:4px;height:1.05em;border-radius:2px;background:var(--kg-green-100);}
.photo-band-body p{margin:12px 0 0;font-size:15px;color:rgba(255,255,255,.86);}
@media (max-width:575.98px){.photo-band-body{padding:24px;}}

/* 要点速览 */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:4px 40px;}
.check-item{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--line);font-size:15px;line-height:1.7;}
.check-item svg{flex:none;margin-top:5px;color:var(--kg-green-600);}
@media (max-width:767.98px){.check-grid{grid-template-columns:1fr;}}

/* FAQ */
.kg-faq .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:10px;overflow:hidden;box-shadow:var(--shadow-1);
}
.kg-faq .accordion-item:last-child{margin-bottom:0;}
.kg-faq .accordion-button{
  background:transparent;box-shadow:none !important;
  padding:18px 20px 18px 22px;font-size:16px;font-weight:600;color:var(--text);
  border-left:3px solid transparent;line-height:1.5;
}
.kg-faq .accordion-button:not(.collapsed){background:var(--kg-green-100);color:var(--kg-green-600);border-left-color:var(--kg-green-500);}
.kg-faq .accordion-button::after{
  content:"";width:18px;height:18px;flex:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235E8C2A' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:contain;
  transition:transform .28s var(--ease);
}
.kg-faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.kg-faq .accordion-body{padding:18px 24px 22px;font-size:15px;line-height:1.85;color:var(--text-muted);}

/* CTA 条 */
.cta-band{
  background:var(--kg-green-100);border-radius:var(--radius-lg);
  padding:30px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:clamp(20px,2.1vw,24px);}
.cta-band p{margin:8px 0 0;font-size:14px;color:var(--kg-brown-700);}
@media (max-width:767.98px){
  .cta-band{flex-direction:column;align-items:stretch;padding:24px;}
  .cta-band .btn-main{width:100%;}
}

/* 页脚 */
.site-footer{background:var(--kg-brown-900);color:rgba(255,255,255,.78);padding:56px 0 28px;margin-left:var(--side-w);}
@media (max-width:991.98px){.site-footer{margin-left:0;}}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-weight:700;font-size:16px;}
.brand-mark-sm{width:32px;height:32px;flex:none;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);}
.footer-title{position:relative;padding-left:14px;margin-bottom:16px;font-size:14px;font-weight:700;color:#fff;}
.footer-title::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:14px;border-radius:2px;background:var(--kg-green-500);}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.78);}
.footer-list a:hover{color:#C6E08A;}
.footer-text{margin:0 0 8px;font-size:14px;color:rgba(255,255,255,.7);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;}}

/* 返回顶部 */
.to-top{
  position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:50%;
  display:none;place-items:center;background:var(--kg-brown-900);color:#fff;border:0;
  box-shadow:var(--shadow-2);z-index:1030;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.to-top.is-show{display:grid;}
.to-top:hover{background:var(--kg-green-600);transform:translateY(-2px);}