/* roulang page: index */
:root{
  --brand:#17624F;
  --brand-600:#1E7A63;
  --brand-900:#10201B;
  --accent:#C2703C;
  --accent-hover:#A85C2E;
  --accent-soft:#F6E7DA;
  --accent-ink:#8A4E24;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#FAF8F3;
  --line:#E2DED4;
  --ink:#1C211E;
  --ink-2:#5A635C;
  --ink-3:#8A918A;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(28,33,30,.06);
  --shadow-hover:0 12px 28px -12px rgba(23,98,79,.28);
  --sidebar-w:248px;
  --sidebar-w-collapsed:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  font-size:17px;
  line-height:1.9;
  font-weight:400;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35}
::selection{background:rgba(23,98,79,.16)}

/* ---------- App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--brand-900);color:#EAE6DC;z-index:60;
  display:flex;flex-direction:column;overflow-y:auto;
  transition:width .22s ease-out,transform .22s ease-out;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  height:72px;padding:0 18px;flex:0 0 auto;border-bottom:1px solid rgba(255,255,255,.08);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border:1.5px solid var(--brand-600);border-radius:8px;
  display:flex;align-items:center;justify-content:center;background:rgba(30,122,99,.12);
}
.brand-mark svg{width:16px;height:16px;display:block}
.brand-text{
  font-size:16px;font-weight:700;letter-spacing:.02em;color:#FFFFFF;white-space:nowrap;
}
.collapse-btn{
  width:32px;height:32px;border-radius:8px;border:1px solid rgba(255,255,255,.16);
  background:transparent;color:#C9CFC7;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .18s ease-out,color .18s ease-out;flex:0 0 32px;
}
.collapse-btn:hover{background:rgba(255,255,255,.08);color:#fff}
.collapse-btn svg{width:15px;height:15px}
.side-nav{padding:16px 12px 8px;display:flex;flex-direction:column;gap:4px}
.side-link{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:10px 14px;border-radius:10px;
  color:#C9CFC7;font-size:15px;font-weight:500;position:relative;
  transition:background .18s ease-out,color .18s ease-out;
}
.side-link:hover{background:rgba(255,255,255,.04);color:#fff}
.side-link.active{background:rgba(255,255,255,.06);color:#FFFFFF}
.side-link.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--accent);
}
.side-link .dot{width:6px;height:6px;border-radius:999px;background:var(--brand-600);flex:0 0 6px}
.side-link.active .dot{background:var(--accent)}
.tree{padding:12px;border-top:1px solid rgba(255,255,255,.08);margin-top:8px}
.tree-head{
  font-size:12.5px;font-weight:500;color:#9AA79E;letter-spacing:.08em;margin:0 0 8px;padding-left:14px;
}
.side-link.sub{padding-left:30px;font-size:14px;font-weight:400;color:#9AA79E}
.side-link.sub:hover{color:#fff}
.side-link.sub.active{color:#fff;background:rgba(255,255,255,.06)}
.sidebar-foot{
  margin-top:auto;padding:18px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;line-height:1.8;color:#9AA79E;
}
.sidebar-foot a{color:#C9CFC7}
.sidebar-foot a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}

.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;transition:margin-left .22s ease-out}
.topbar{
  position:sticky;top:0;z-index:40;height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 28px;background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.crumb{font-size:13.5px;color:var(--ink-2);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.crumb .sep{color:var(--ink-3)}
.crumb .now{color:var(--ink)}
.top-tools{display:flex;align-items:center;gap:12px}
.search-form{position:relative}
.search-form input{
  width:220px;height:38px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);padding:0 14px 0 36px;font-size:14px;outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.search-form input:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(23,98,79,.22)}
.search-form svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--ink-3)}
.mobile-bar{display:none}

/* ---------- Buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px -10px rgba(194,112,60,.9)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(194,112,60,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(23,98,79,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--brand-900);border-color:transparent}
.btn-light:hover{background:#EDE9DF;transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.1)}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.btn:disabled{opacity:.4;cursor:not-allowed}
.text-link{color:var(--brand);font-weight:500;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.badge{
  display:inline-flex;align-items:center;border-radius:999px;padding:3px 11px;
  font-size:12.5px;font-weight:500;line-height:1.7;white-space:nowrap;
}
.badge-cat{background:var(--accent-soft);color:var(--accent-ink)}
.badge-soft{background:rgba(23,98,79,.1);color:var(--brand)}
.badge-dark{background:rgba(255,255,255,.14);color:#fff}

/* ---------- Layout blocks ---------- */
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 28px}
.sec{padding:88px 0}
.sec-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-line{border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{font-size:28px;font-weight:700;position:relative;padding-left:16px}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.sec-note{font-size:14px;color:var(--ink-2);margin:10px 0 0 16px;max-width:640px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 88% 6%, rgba(23,98,79,.45) 0%, rgba(23,98,79,0) 42%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.hero .container{padding-top:76px;padding-bottom:76px}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:center}
.hero-title{font-size:42px;font-weight:700;letter-spacing:-.01em;margin:18px 0 0}
.hero-sub{font-size:18px;color:var(--ink-2);margin:16px 0 0;line-height:1.8}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-metrics{display:flex;gap:32px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap}
.hero-metrics li{display:flex;flex-direction:column;gap:2px}
.hero-metrics strong{font-size:24px;font-weight:700;color:var(--brand);line-height:1.3}
.hero-metrics span{font-size:13.5px;color:var(--ink-2)}
.hero-media{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(23,98,79,.34),rgba(16,32,27,.06));
}

/* ---------- Collection cards ---------- */
.collect-card{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.collect-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(23,98,79,.3)}
.collect-cover{position:relative;aspect-ratio:3/2;overflow:hidden;display:block}
.collect-cover img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease-out}
.collect-card:hover .collect-cover img{transform:scale(1.03)}
.collect-enter{
  position:absolute;right:12px;bottom:12px;background:rgba(16,32,27,.82);color:#fff;
  font-size:13px;padding:5px 12px;border-radius:999px;opacity:0;transform:translateY(6px);
  transition:opacity .18s ease-out,transform .18s ease-out;
}
.collect-card:hover .collect-enter{opacity:1;transform:translateY(0)}
.collect-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.collect-name{font-size:18px;font-weight:600;line-height:1.45}
.collect-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--ink-3);padding-top:6px}

/* ---------- Featured ---------- */
.feat-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.feat-main{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.feat-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(23,98,79,.3)}
.feat-cover{aspect-ratio:16/9;overflow:hidden}
.feat-cover img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease-out}
.feat-main:hover .feat-cover img{transform:scale(1.03)}
.feat-body{padding:24px}
.feat-title{font-size:22px;font-weight:600;margin:12px 0 10px;line-height:1.45}
.feat-main:hover .feat-title{color:var(--brand)}
.feat-desc{font-size:15px;color:var(--ink-2);line-height:1.85}
.feat-side{display:flex;flex-direction:column;gap:12px}
.list-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;
  padding:12px 18px;background:var(--surface);border:1px solid var(--line);border-radius:12px;
  position:relative;transition:background .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.list-row:hover{background:var(--surface-2);border-color:rgba(23,98,79,.3);transform:translateY(-2px)}
.list-row::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:0 2px 2px 0;background:transparent;
  transition:background .18s ease-out;
}
.list-row:hover::before{background:var(--brand)}
.list-row .lr-title{font-size:15.5px;font-weight:500;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:4px}
.list-row:hover .lr-title{color:var(--brand)}
.list-row .lr-meta{font-size:13px;color:var(--ink-3);display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.list-row .lr-time{font-size:13px;color:var(--ink-3);white-space:nowrap}

/* ---------- Standard cards ---------- */
.card{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(23,98,79,.3)}
.card:hover .card-title{color:var(--brand)}
.card-cover{display:block;aspect-ratio:16/9;border-radius:var(--radius-img);overflow:hidden;margin-bottom:16px}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease-out}
.card:hover .card-cover img{transform:scale(1.03)}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.card-title{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--ink-3)}
.mini-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.mini-card:hover{transform:translateY(-2px);border-color:rgba(23,98,79,.3);box-shadow:var(--shadow-hover)}
.mini-card .mc-title{font-size:15.5px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card:hover .mc-title{color:var(--brand)}
.mini-card .mc-time{margin-top:10px;font-size:13px;color:var(--ink-3)}

/* ---------- Notes / list cards ---------- */
.note-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.note-card:hover{border-color:rgba(23,98,79,.3);box-shadow:var(--shadow-card)}
.note-idx{display:inline-flex;width:28px;height:28px;border:1.5px solid var(--brand);border-radius:8px;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:var(--brand);margin-bottom:14px}
.note-title{font-size:18px;font-weight:600;margin-bottom:10px}
.note-text{font-size:15px;color:var(--ink-2);line-height:1.85}
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.stat-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px}
.stat-num{font-size:28px;font-weight:700;color:var(--brand);line-height:1.3}
.stat-label{font-size:14px;color:var(--ink-2);margin-top:6px}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;transition:background .18s ease-out,border-color .18s ease-out}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex:0 0 9px;margin-right:2px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .2s ease-out;
}
.faq-item[open]{background:var(--surface-2);border-color:rgba(23,98,79,.3)}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.9}

/* ---------- CTA ---------- */
.cta{background:var(--brand-900);color:#EAE6DC;border-radius:18px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-title{font-size:26px;font-weight:700;color:#fff}
.cta-text{font-size:15px;color:#9AA79E;margin-top:10px;max-width:520px}
.cta-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.icon-btn{
  width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.3);
  background:transparent;color:#fff;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .18s ease-out;
}
.icon-btn:hover{background:rgba(255,255,255,.12)}
.icon-btn svg{width:18px;height:18px}

/* ---------- Empty state ---------- */
.empty-state{
  grid-column:1/-1;min-height:200px;border:1px dashed var(--line);border-radius:var(--radius-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  color:var(--ink-2);font-size:15px;background:var(--surface-2);text-align:center;padding:24px;
}

/* ---------- Footer ---------- */
.footer{background:var(--brand-900);color:#C9CFC7;margin-top:auto;border-top:1px solid rgba(255,255,255,.08)}
.footer-top{padding:64px 0 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer .f-brand .brand-text{font-size:17px}
.footer p{font-size:14px;line-height:1.9;color:#9AA79E}
.footer ul li{margin-bottom:10px}
.footer ul a{font-size:14px;color:#C9CFC7;transition:color .18s ease-out}
.footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#9AA79E}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,32,27,.55);z-index:55;
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;
}
.drawer-mask.show{opacity:1;visibility:visible}

/* ---------- Collapsed sidebar (desktop) ---------- */
@media (min-width:1024px){
  body.nav-collapsed .sidebar{width:var(--sidebar-w-collapsed)}
  body.nav-collapsed .main{margin-left:var(--sidebar-w-collapsed)}
  body.nav-collapsed .brand-text,
  body.nav-collapsed .side-link span,
  body.nav-collapsed .tree,
  body.nav-collapsed .sidebar-foot{display:none}
  body.nav-collapsed .brand-row{padding:0;justify-content:center;gap:0}
  body.nav-collapsed .collapse-btn{display:none}
  body.nav-collapsed .side-nav{padding:16px 8px}
  body.nav-collapsed .side-link{justify-content:center;padding:10px 0}
}

/* ---------- Tablet ---------- */
@media (max-width:1023px){
  .sidebar{width:84%;max-width:320px;transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0;padding-top:60px}
  .mobile-bar{
    display:flex;position:fixed;top:0;left:0;right:0;height:60px;z-index:50;
    align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
    background:var(--brand-900);color:#fff;border-bottom:1px solid rgba(255,255,255,.08);
  }
  .mobile-bar .m-logo{display:flex;align-items:center;gap:8px;font-size:15.5px;font-weight:700;color:#fff}
  .m-btn{
    width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:transparent;
    color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
  }
  .m-btn:hover{background:rgba(255,255,255,.1)}
  .m-btn svg{width:18px;height:18px}
  .topbar{top:0;height:52px;padding:0 16px}
  .search-form input{width:180px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero .container{padding-top:56px;padding-bottom:56px}
  .feat-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .sec{padding:64px 0}
  .footer-top{grid-template-columns:repeat(2,1fr);padding:48px 0 32px}
}
/* ---------- Mobile ---------- */
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .sec{padding:48px 0}
  .sec-head{margin-bottom:26px}
  .sec-title{font-size:22px}
  .hero-title{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-media{aspect-ratio:auto;height:220px}
  .hero .container{padding-top:40px;padding-bottom:40px}
  .hero-metrics{gap:22px}
  .grid-3,.grid-2,.grid-4,.stat-band{grid-template-columns:1fr}
  .mini-grid{grid-template-columns:repeat(2,1fr)!important}
  .cta{padding:32px 24px;border-radius:14px}
  .cta-title{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .topbar{height:48px}
  .search-form{display:none}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .mini-grid{grid-template-columns:1fr!important}
  .card{padding:18px}
  .list-row{flex-direction:column;align-items:flex-start;gap:6px}
  .list-row .lr-time{white-space:normal}
}

/* roulang page: article */
:root{
  --brand:#17624F;
  --brand-600:#1E7A63;
  --brand-900:#10201B;
  --accent:#C2703C;
  --accent-dark:#A85C2E;
  --accent-soft:#F6E7DA;
  --accent-ink:#8A4E24;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#FAF8F3;
  --line:#E2DED4;
  --ink:#1C211E;
  --ink-2:#5A635C;
  --ink-3:#8A918A;
  --danger:#B4453A;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(28,33,30,.06);
  --shadow-hover:0 12px 28px -12px rgba(23,98,79,.28);
  --side-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button{font:inherit}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(194,112,60,.22)}

/* ---------- App Shell ---------- */
.app-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--brand-900);color:#EAE6DC;z-index:70;
  display:flex;flex-direction:column;
  transition:width .22s ease,transform .26s ease;
}
.side-head{
  height:72px;flex:0 0 auto;display:flex;align-items:center;gap:10px;
  padding:0 14px 0 16px;border-bottom:1px solid rgba(255,255,255,.08);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;color:#fff}
.brand-mark{
  width:32px;height:32px;flex:0 0 auto;border:1px solid var(--brand-600);border-radius:9px;
  display:grid;place-items:center;background:rgba(30,122,99,.18);
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.collapse-btn,.side-close{
  margin-left:auto;width:34px;height:34px;flex:0 0 auto;display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:9px;
  color:#C9CFC7;cursor:pointer;transition:background .18s ease,color .18s ease;
}
.collapse-btn:hover,.side-close:hover{background:rgba(255,255,255,.13);color:#fff}
.side-close{display:none;font-size:18px;line-height:1}

.side-nav{padding:14px 10px;display:flex;flex-direction:column;gap:4px;flex:1 1 auto;overflow-y:auto}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 14px;border-radius:10px;
  color:#C9CFC7;font-size:15px;transition:background .18s ease,color .18s ease;
}
.side-link .dot{width:6px;height:6px;border-radius:2px;background:rgba(255,255,255,.28);flex:0 0 auto}
.side-link:hover{background:rgba(255,255,255,.04);color:#fff}
.side-link.active{background:rgba(255,255,255,.06);color:#fff}
.side-link.active .dot{background:var(--accent)}
.side-link.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:0 3px 3px 0;background:var(--accent);
}
.side-foot{
  flex:0 0 auto;padding:16px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;gap:6px;font-size:13px;color:#9AA79E;
}
.side-foot a{color:#C9CFC7}
.side-foot a:hover{color:#fff;text-decoration:underline}

body.side-collapsed .app-side{width:76px}
body.side-collapsed .app-main{margin-left:76px}
body.side-collapsed .brand-text,
body.side-collapsed .side-link span:not(.dot),
body.side-collapsed .side-foot{display:none}
body.side-collapsed .side-head{justify-content:center;padding:0 10px}
body.side-collapsed .collapse-btn{margin-left:0;position:absolute;right:6px;bottom:6px;width:26px;height:26px}
body.side-collapsed .side-link{justify-content:center;padding:0}
body.side-collapsed .side-link .dot{width:8px;height:8px}
body.side-collapsed .side-link.active::before{display:none}

.side-mask{display:none}

.app-main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;transition:margin-left .22s ease}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:50;height:56px;flex:0 0 auto;
  display:flex;align-items:center;gap:14px;padding:0 24px;
  background:rgba(255,255,255,.86);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.hamburger{
  display:none;width:40px;height:40px;flex:0 0 auto;place-items:center;
  background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--ink);cursor:pointer;
}
.hamburger:hover{border-color:rgba(23,98,79,.45);color:var(--brand)}
.crumbs{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;font-size:13.5px;color:var(--ink-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--line)}
.crumb-current{color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:300px}
.topbar-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.search{
  display:flex;align-items:center;gap:8px;width:220px;height:36px;
  padding:0 12px;background:#fff;border:1px solid var(--line);border-radius:10px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(23,98,79,.16)}
.search svg{width:15px;height:15px;color:var(--ink-3);flex:0 0 auto}
.search input{width:100%;border:none;outline:none;background:transparent;font-size:14px;color:var(--ink)}
.search input::placeholder{color:var(--ink-3)}

/* ---------- Buttons / Badges ---------- */
.btn-primary,.btn-ghost,.btn-ghost-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);cursor:pointer;font-weight:600;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{height:48px;padding:0 24px;background:var(--accent);color:#fff;border:1px solid var(--accent);font-size:15.5px}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(194,112,60,.85)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{height:48px;padding:0 22px;background:transparent;color:var(--brand);border:1px solid var(--brand);font-size:15.5px}
.btn-ghost:hover{background:rgba(23,98,79,.06);color:var(--brand)}
.btn-ghost-dark{height:48px;padding:0 22px;background:transparent;color:#EAE6DC;border:1px solid rgba(234,230,220,.4);font-size:15.5px}
.btn-ghost-dark:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-sm{height:36px;padding:0 14px;font-size:14px;border-radius:var(--radius-btn)}
.btn-ghost.btn-sm,.btn-primary.btn-sm{height:36px}
button[disabled]{opacity:.4;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;background:var(--accent-soft);color:var(--accent-ink);
  font-size:12.5px;font-weight:500;letter-spacing:.02em;
}
.badge-brand{background:rgba(23,98,79,.1);color:var(--brand)}

/* ---------- Article shell ---------- */
.article-topbar-space{flex:0 0 auto}
.article-lead{
  background:linear-gradient(180deg,rgba(23,98,79,.05),rgba(246,243,236,0));
  border-bottom:1px solid var(--line);
}
.article-layout{
  max-width:1080px;margin:0 auto;padding:0 28px 20px;
  display:grid;grid-template-columns:minmax(0,1fr);gap:48px;
  flex:1 1 auto;width:100%;
}
.article-col{min-width:0}
.post-head,.article-body,.post-foot,.related-block,.back-row{max-width:740px;margin-left:auto;margin-right:auto}
.post-head{padding:40px 0 26px}
.post-head h1{
  margin:16px 0 18px;font-size:34px;line-height:1.4;font-weight:700;letter-spacing:-.01em;color:var(--ink);
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:14px;color:var(--ink-2)}
.post-meta .dot-sep{width:4px;height:4px;border-radius:50%;background:var(--line)}
.post-meta time{color:var(--ink-2)}
.post-meta b{font-weight:600;color:var(--ink)}

.article-hero-img{
  max-width:740px;margin:0 auto 30px;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/9;background:var(--surface-2);
}
.article-hero-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.article-hero-img:hover img{transform:scale(1.03)}

.article-body{padding-bottom:8px}

/* ---------- 中文正文排版 ---------- */
.prose-cn{font-size:17px;line-height:1.95;color:var(--ink);word-break:break-word}
.prose-cn p{margin:0 0 1.4em}
.prose-cn h2{
  position:relative;font-size:28px;line-height:1.35;font-weight:700;
  margin:2.2em 0 .8em;padding-left:14px;color:var(--ink);
}
.prose-cn h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--accent)}
.prose-cn h3{font-size:18px;line-height:1.5;font-weight:700;margin:1.8em 0 .6em;color:var(--ink)}
.prose-cn h4{font-size:16px;font-weight:700;margin:1.5em 0 .5em}
.prose-cn ul,.prose-cn ol{margin:0 0 1.4em;padding-left:1.4em}
.prose-cn ul{list-style:square}
.prose-cn ul>li::marker{color:var(--brand)}
.prose-cn ol>li::marker{color:var(--brand);font-weight:600}
.prose-cn li{margin:.45em 0}
.prose-cn a{color:var(--brand);border-bottom:1px solid rgba(23,98,79,.35)}
.prose-cn a:hover{color:var(--brand-600);border-bottom-width:2px}
.prose-cn blockquote{
  margin:1.6em 0;padding:20px 20px 20px 22px;background:var(--surface-2);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.prose-cn blockquote p:last-child{margin-bottom:0}
.prose-cn img{border-radius:var(--radius-img);margin:1.6em auto;border:1px solid var(--line)}
.prose-cn figure{margin:1.8em 0}
.prose-cn figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.prose-cn table{width:100%;border-collapse:collapse;font-size:15px;margin:1.7em 0;display:block;overflow-x:auto}
.prose-cn th,.prose-cn td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose-cn thead th{background:var(--surface-2);font-weight:600;color:var(--ink)}
.prose-cn tbody tr:nth-child(even){background:var(--surface-2)}
.prose-cn pre{
  background:var(--brand-900);color:#EAE6DC;border-radius:var(--radius-img);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.7em 0;
}
.prose-cn code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.prose-cn p code,.prose-cn li code{background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:.92em}
.prose-cn hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}

/* ---------- Empty state ---------- */
.empty-state{
  max-width:740px;margin:24px auto 48px;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--surface);padding:56px 24px;text-align:center;
}
.empty-state p{margin:0 0 18px;font-size:17px;color:var(--ink-2)}

/* ---------- Post foot ---------- */
.post-foot{
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-right:auto}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);color:var(--ink-2);font-size:12.5px;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.tag:hover{border-color:rgba(23,98,79,.4);color:var(--brand);background:var(--surface-2)}
.copy-btn{
  height:36px;padding:0 14px;display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  color:var(--ink-2);font-size:14px;cursor:pointer;transition:border-color .18s ease,color .18s ease;
}
.copy-btn:hover{border-color:var(--brand);color:var(--brand)}
.copy-btn svg{width:15px;height:15px}
.copy-hint{font-size:13px;color:var(--brand);min-height:1em}

/* ---------- Prev / next ---------- */
.next-prev{
  max-width:740px;margin:36px auto 0;display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr));
}
.nav-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;box-shadow:var(--shadow-card);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.nav-card:hover{border-color:rgba(23,98,79,.4);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.nav-card .label{font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:6px}
.nav-card .label svg{width:14px;height:14px}
.nav-card h3{
  margin:10px 0 0;font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nav-card:hover h3{color:var(--brand)}

/* ---------- Related ---------- */
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.block-head h2{margin:0;font-size:22px;font-weight:700;line-height:1.35}
.block-head .more{font-size:14px;color:var(--brand);font-weight:500}
.block-head .more:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}

.related-block{max-width:1080px;margin:64px auto 0;padding-top:40px;border-top:1px solid var(--line)}
.related-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.card:hover{border-color:rgba(23,98,79,.35);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);border-bottom:1px solid var(--line)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{
  margin:0;font-size:17.5px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{
  margin:0;font-size:14.5px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink-3)}
.card-foot .read{color:var(--brand);font-weight:500}

.back-row{max-width:1080px;margin:36px auto 0}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--brand);font-weight:500}
.back-link:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}

/* ---------- TOC ---------- */
.toc-col{display:none}
.toc{
  position:sticky;top:88px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-card);
}
.toc-title{margin:0 0 14px;font-size:14px;font-weight:600;color:var(--ink);letter-spacing:.04em}
.toc ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.toc a{
  display:block;padding:8px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  font-size:14px;color:var(--ink-2);transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc a:hover{background:var(--surface-2);color:var(--brand);border-left-color:var(--brand)}
.toc-note{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;line-height:1.8;color:var(--ink-3);
}

/* ---------- Subscribe CTA ---------- */
.subscribe-cta{
  margin-top:72px;background:var(--brand-900);color:#EAE6DC;
  border-top:1px solid rgba(255,255,255,.08);
}
.cta-inner{
  max-width:1080px;margin:0 auto;padding:56px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{margin:0 0 10px;font-size:26px;font-weight:700;color:#fff;line-height:1.4}
.cta-inner p{margin:0;font-size:15px;color:#9AA79E;max-width:520px;line-height:1.85}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.footer{background:var(--brand-900);color:#C9CFC7;border-top:1px solid rgba(255,255,255,.08);padding:56px 0 24px}
.footer .container{max-width:1080px;margin:0 auto;padding:0 28px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer h3{font-size:14px;font-weight:600;color:#fff;margin:0 0 14px;letter-spacing:.04em}
.footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer a{font-size:14px;color:#C9CFC7}
.footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.f-brand .brand-text{color:#fff;font-size:17px;font-weight:700}
.footer p{margin:0;font-size:14px;line-height:1.85;color:#9AA79E;max-width:300px}
.footer-bottom{
  margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#9AA79E;
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .toc-col{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:1023px){
  .app-side{width:290px;max-width:84vw;transform:translateX(-100%);box-shadow:0 0 40px rgba(16,32,27,.35)}
  body.drawer-open .app-side{transform:translateX(0)}
  body.side-collapsed .app-side{width:290px}
  body.side-collapsed .brand-text,
  body.side-collapsed .side-link span:not(.dot),
  body.side-collapsed .side-foot{display:flex}
  body.side-collapsed .side-link{justify-content:flex-start;padding:0 14px}
  .app-main,body.side-collapsed .app-main{margin-left:0}
  .collapse-btn{display:none}
  .side-close{display:grid}
  .hamburger{display:grid}
  .side-mask{
    display:block;position:fixed;inset:0;background:rgba(16,32,27,.55);z-index:65;
    opacity:0;pointer-events:none;transition:opacity .24s ease;
  }
  body.drawer-open .side-mask{opacity:1;pointer-events:auto}
  .topbar{padding:0 18px;gap:12px}
  .article-layout{padding:0 22px 20px}
}
@media (max-width:767px){
  body{font-size:16px}
  .post-head{padding:28px 0 20px}
  .post-head h1{font-size:26px;margin:12px 0 14px}
  .prose-cn{font-size:16px;line-height:1.9}
  .prose-cn h2{font-size:22px}
  .prose-cn h3{font-size:17px}
  .search{display:none}
  .crumb-current{max-width:140px}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .footer{padding:44px 0 20px}
  .footer .container{padding:0 22px}
  .cta-inner{padding:44px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-primary,.cta-actions .btn-ghost-dark{flex:1 1 auto}
  .next-prev{grid-template-columns:minmax(0,1fr)}
  .related-block{margin-top:48px;padding-top:32px}
  .subscribe-cta{margin-top:52px}
}
@media (max-width:520px){
  .topbar{height:52px;padding:0 14px}
  .article-layout{padding:0 18px 20px}
  .btn-primary,.btn-ghost,.btn-ghost-dark{width:100%}
  .post-foot{gap:10px}
  .post-foot .btn-primary,.post-foot .btn-ghost{width:auto}
}

/* roulang page: category1 */
:root{
  --brand:#17624F;
  --brand-600:#1E7A63;
  --brand-900:#10201B;
  --accent:#C2703C;
  --accent-hover:#A85C2E;
  --accent-soft:#F6E7DA;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#FAF8F3;
  --line:#E2DED4;
  --ink:#1C211E;
  --ink-2:#5A635C;
  --ink-3:#8A918A;
  --radius:14px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(28,33,30,.06);
  --shadow-2:0 12px 28px -12px rgba(23,98,79,.28);
  --sidebar:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  font-size:17px;line-height:1.9;font-weight:400;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.35}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 侧栏导航 ---------- */
.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);background:var(--brand-900);color:#EAE6DC;display:flex;flex-direction:column;z-index:60}
.side-brand{height:72px;display:flex;align-items:center;gap:10px;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-mark{width:32px;height:32px;flex:0 0 32px;border:1.5px solid var(--brand-600);border-radius:9px;display:grid;place-items:center}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:16px;font-weight:600;color:#F2EFE7;letter-spacing:.2px}
.side-nav{display:flex;flex-direction:column;gap:2px;padding:14px 12px}
.side-link{position:relative;display:flex;align-items:center;gap:10px;min-height:44px;padding:0 12px;border-radius:10px;color:#C9CFC7;font-size:15px;transition:background .18s ease-out,color .18s ease-out}
.side-link .dot{width:6px;height:6px;border-radius:99px;background:#5C6A61;flex:0 0 6px;transition:background .18s ease-out}
.side-link:hover{background:rgba(255,255,255,.04);color:#fff}
.side-link.active{background:rgba(255,255,255,.06);color:#fff}
.side-link.active .dot{background:var(--accent)}
.side-link.active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--accent)}
.side-foot{margin-top:auto;padding:18px 20px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;line-height:1.9;color:#9AA79E}
.side-foot p{margin:0 0 4px}
.side-foot a{color:#C9CFC7;word-break:break-all}
.side-foot a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ---------- 主区 ---------- */
.app-main{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}
.mobile-bar{display:none;height:60px;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.mobile-brand{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink)}
.icon-btn{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;color:var(--brand);transition:background .18s ease-out,border-color .18s ease-out}
.icon-btn:hover{background:rgba(23,98,79,.06);border-color:rgba(23,98,79,.3)}
.icon-btn svg{width:20px;height:20px}
.topbar{position:sticky;top:0;z-index:40;height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 32px;background:rgba(255,255,255,.88);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);min-width:0}
.breadcrumb a{color:var(--ink-3);white-space:nowrap}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{color:#C6C1B6}
.breadcrumb .cur{color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.search{position:relative}
.search input{width:220px;height:38px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;padding:0 12px 0 34px;font-size:14px;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.search input::placeholder{color:var(--ink-3)}
.search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,98,79,.12);outline:none}
.search .s-ico{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--ink-3);pointer-events:none}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;top:0;left:0;bottom:0;width:84%;max-width:320px;background:var(--brand-900);color:#EAE6DC;z-index:90;transform:translateX(-100%);transition:transform .25s ease-out;display:flex;flex-direction:column;padding-bottom:20px}
.drawer.open{transform:none}
.drawer-head{height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 14px 0 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-close{width:44px;height:44px;display:grid;place-items:center;background:transparent;border:1px solid rgba(255,255,255,.18);border-radius:10px;color:#EAE6DC;cursor:pointer}
.drawer-close:hover{background:rgba(255,255,255,.08)}
.drawer-close svg{width:18px;height:18px}
.drawer-mask{position:fixed;inset:0;background:rgba(16,32,27,.55);z-index:80;opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s}
.drawer-mask.open{opacity:1;visibility:visible}

/* ---------- 按钮 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:transform .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -12px rgba(194,112,60,.85)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(23,98,79,.06)}
.btn-sm{min-height:38px;padding:0 14px;font-size:14px}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:500;line-height:1}
.badge-cat{background:var(--accent-soft);color:#8A4E24}
.badge-state{background:rgba(23,98,79,.10);color:var(--brand)}
.text-link{font-size:14.5px;font-weight:500;color:var(--brand);white-space:nowrap}
.text-link:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:56px 0 48px;overflow:hidden;background:radial-gradient(620px 320px at 88% -12%, rgba(23,98,79,.12), transparent 70%), var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{margin:14px 0 16px;font-size:clamp(26px,3.6vw,36px);font-weight:700;letter-spacing:-.2px}
.hero .lead{margin:0 0 26px;font-size:17px;line-height:1.9;color:var(--ink-2);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:16/10;background:var(--surface-2)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(158deg,rgba(23,98,79,.20),rgba(16,32,27,.06))}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:30px}
.stat b{display:block;font-size:24px;font-weight:700;color:var(--brand);line-height:1.25}
.stat span{font-size:13.5px;color:var(--ink-3)}

/* ---------- 分类主体 ---------- */
.cat-body{padding:8px 0 88px}
.layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:32px;align-items:start}
.filter-panel{position:sticky;top:80px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-1)}
.filter-title{font-size:13.5px;font-weight:600;color:var(--ink-3);letter-spacing:.06em;margin:0 0 12px}
.filter-list{display:flex;flex-direction:column;gap:4px}
.filter-link{position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px;padding:0 12px;border-radius:var(--radius-btn);color:var(--ink-2);font-size:15px;transition:background .18s ease-out,color .18s ease-out}
.filter-link:hover{background:var(--surface-2);color:var(--brand)}
.filter-link.active{background:var(--surface-2);color:var(--brand);font-weight:600}
.filter-link.active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--brand)}
.filter-link .count{font-size:13px;color:var(--ink-3)}
.filter-sep{height:1px;background:var(--line);margin:18px 0}
.filter-note{font-size:13.5px;line-height:1.85;color:var(--ink-3);margin:0}
.filter-sub{margin-top:16px;padding:16px;border:1px dashed var(--line);border-radius:var(--radius-sm);background:var(--surface-2)}
.filter-sub p{margin:0 0 12px;font-size:13.5px;color:var(--ink-2);line-height:1.8}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 0 22px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,3vw,28px);font-weight:600}
.section-head p{margin:8px 0 0;font-size:15px;color:var(--ink-2);flex:1 1 100%}
.block-gap{margin-bottom:52px}

/* 精选大卡 */
.feature-grid{display:grid;grid-template-columns:1fr;gap:20px}
.feature-card{display:grid;grid-template-columns:1.05fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.feature-card:hover{transform:translateY(-2px);border-color:rgba(23,98,79,.3);box-shadow:var(--shadow-2)}
.feature-card .thumb{position:relative;overflow:hidden;min-height:230px;background:var(--surface-2)}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.feature-card:hover .thumb img{transform:scale(1.03)}
.feature-card.reverse .thumb{order:2}
.feature-body{padding:26px;display:flex;flex-direction:column;gap:12px}
.feature-body h3{font-size:20px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-card:hover h3{color:var(--brand)}
.card-excerpt{font-size:15px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--ink-3)}
.card-meta time{color:var(--ink-3)}

/* 条目卡 */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.card:hover{transform:translateY(-2px);border-color:rgba(23,98,79,.3);box-shadow:var(--shadow-2)}
.card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:17px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-body h3{color:var(--brand)}

/* 场景要点 */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scene-item{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.scene-item:hover{border-color:rgba(23,98,79,.3);box-shadow:var(--shadow-1)}
.scene-mark{flex:0 0 24px;width:24px;height:24px;border:1.5px solid var(--brand);border-radius:6px;display:grid;place-items:center;font-size:12.5px;font-weight:600;color:var(--brand);line-height:1}
.scene-item h3{font-size:17px;font-weight:600;margin-bottom:8px}
.scene-item p{margin:0;font-size:14.5px;line-height:1.85;color:var(--ink-2)}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.flow-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative;transition:transform .18s ease-out,border-color .18s ease-out}
.flow-item:hover{transform:translateY(-2px);border-color:rgba(23,98,79,.3)}
.flow-item .num{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--accent)}
.flow-item h3{font-size:17px;font-weight:600;margin:10px 0 8px}
.flow-item p{margin:0;font-size:14.5px;line-height:1.85;color:var(--ink-2)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:background .18s ease-out,border-color .18s ease-out}
.faq-item[open]{background:var(--surface-2);border-color:rgba(23,98,79,.22)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:16px;font-weight:600;min-height:44px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-arrow{flex:0 0 18px;width:18px;height:18px;color:var(--brand);transition:transform .2s ease-out}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-body{padding:0 20px 20px}
.faq-body p{margin:0;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* CTA */
.cta{background:var(--brand-900);color:#EAE6DC;border-radius:16px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:clamp(22px,3vw,28px)}
.cta p{margin:10px 0 0;font-size:15px;line-height:1.85;color:#9AA79E;max-width:54ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta .btn-ghost{border-color:rgba(234,230,220,.35);color:#EAE6DC}
.cta .btn-ghost:hover{background:rgba(255,255,255,.08)}

/* 空态 */
.empty-state{border:1px dashed var(--line);border-radius:var(--radius);min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:24px;color:var(--ink-3);font-size:14.5px}

/* 页脚 */
.footer{background:var(--brand-900);color:#C9CFC7;padding:56px 0 24px;margin-top:auto;border-top:1px solid rgba(255,255,255,.08)}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer h3{font-size:14px;font-weight:600;color:#fff;margin:0 0 14px}
.footer ul{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer a{color:#C9CFC7}
.footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.f-brand .brand-text{color:#fff}
.footer p{margin:0;font-size:14px;line-height:1.85;color:#9AA79E;max-width:34ch}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:18px;font-size:13px;color:#8A918A}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:36px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .drawer,.drawer-mask{display:block}
  .app-main{margin-left:0}
  .mobile-bar{display:flex}
  .topbar{position:static;height:48px;padding:0 20px}
  .topbar .search{display:none}
  .layout{grid-template-columns:1fr;gap:24px}
  .filter-panel{position:static;padding:14px}
  .filter-title{margin-bottom:10px}
  .filter-list{flex-direction:row;gap:8px;overflow-x:auto;padding-bottom:6px}
  .filter-link{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:999px;padding:0 14px;flex:0 0 auto}
  .filter-link.active{background:rgba(23,98,79,.08);border-color:rgba(23,98,79,.35)}
  .filter-link.active::before{display:none}
  .filter-link .count{display:none}
  .filter-sep,.filter-note,.filter-sub{display:none}
  .section{padding:64px 0}
  .hero{padding:40px 0 32px}
  .hero-grid{grid-template-columns:1fr}
  .hero-media{order:-1;aspect-ratio:16/9}
  .feature-card{grid-template-columns:1fr}
  .feature-card .thumb{min-height:200px;order:-1}
  .feature-card.reverse .thumb{order:-1}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:48px 0}
  .hero h1{font-size:29px}
  .hero .lead{font-size:16px}
  .hero-stats{gap:24px}
  .scene-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .feature-body{padding:20px}
  .cta{padding:28px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer{padding:44px 0 20px}
  .footer-top{padding-bottom:24px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .hero-media{aspect-ratio:4/3}
  .card-grid{grid-template-columns:1fr}
  .badge{height:22px;font-size:12px}
}

/* roulang page: category2 */
:root{
    --brand:#17624F;
    --brand-600:#1E7A63;
    --brand-900:#10201B;
    --accent:#C2703C;
    --accent-strong:#A85C2E;
    --accent-soft:#F6E7DA;
    --bg:#F6F3EC;
    --surface:#FFFFFF;
    --surface-2:#FAF8F3;
    --line:#E2DED4;
    --ink:#1C211E;
    --ink-2:#5A635C;
    --ink-3:#8A918A;
    --radius-card:14px;
    --radius-img:12px;
    --radius-btn:10px;
    --shadow-card:0 1px 2px rgba(28,33,30,.06);
    --shadow-hover:0 12px 28px -12px rgba(23,98,79,.28);
    --side-w:248px;
    --side-w-collapsed:76px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
    font-size:17px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:600;color:var(--ink)}
  p{margin:0 0 1.4em}
  p:last-child{margin-bottom:0}
  a{color:var(--brand);text-decoration:none}
  a:hover{color:var(--brand-600)}
  img{max-width:100%;display:block}
  button{font:inherit;cursor:pointer}
  ul{margin:0;padding:0;list-style:none}
  input,textarea{font:inherit;color:var(--ink)}
  a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1160px;margin:0 auto;padding:0 24px}
  .section{padding:88px 0}
  .section-tight{padding:56px 0}
  .divider{height:1px;background:var(--line);border:0;margin:0}

  /* ---------- 侧栏 App Shell ---------- */
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
    background:var(--brand-900);color:#EAE6DC;
    display:flex;flex-direction:column;z-index:60;
    transition:width .18s ease-out,transform .22s ease-out;
    overflow-y:auto;overflow-x:hidden;
  }
  .side-head{
    min-height:72px;padding:0 14px 0 18px;
    display:flex;align-items:center;justify-content:space-between;gap:8px;
    border-bottom:1px solid rgba(255,255,255,.08);
    position:sticky;top:0;background:var(--brand-900);z-index:2;
  }
  .side-brand{display:flex;align-items:center;gap:10px;color:#fff;min-height:44px}
  .brand-mark{
    width:32px;height:32px;flex:none;border-radius:9px;
    border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
    display:flex;align-items:center;justify-content:center;
  }
  .brand-mark svg{width:18px;height:18px;display:block}
  .brand-text{font-size:16px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
  .collapse-btn{
    width:34px;height:34px;flex:none;border-radius:8px;border:1px solid rgba(255,255,255,.14);
    background:rgba(255,255,255,.04);color:#C9CFC7;display:flex;align-items:center;justify-content:center;
    transition:background .18s ease-out,color .18s ease-out;
  }
  .collapse-btn:hover{background:rgba(255,255,255,.1);color:#fff}

  .side-nav{display:flex;flex-direction:column;gap:2px;padding:10px 12px}
  .side-link{
    position:relative;display:flex;align-items:center;gap:10px;
    min-height:44px;padding:0 12px;border-radius:10px;
    color:#C9CFC7;font-size:15px;line-height:1.4;
    transition:background .18s ease-out,color .18s ease-out;
  }
  .side-link:hover{background:rgba(255,255,255,.04);color:#fff}
  .side-link.active{background:rgba(255,255,255,.06);color:#fff}
  .side-link.active::before{
    content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--accent);
  }
  .dot{width:6px;height:6px;border-radius:999px;background:#9AA79E;flex:none}
  .side-link.active .dot{background:var(--accent)}

  .side-group{padding:6px 12px 0}
  .side-group-title{
    display:flex;align-items:center;gap:8px;min-height:40px;padding:0 12px;
    font-size:12.5px;font-weight:500;letter-spacing:.08em;color:#9AA79E;text-transform:uppercase;
  }
  .side-sub{padding-left:16px;display:flex;flex-direction:column;gap:2px}

  .side-foot{margin-top:auto;padding:16px 18px 22px;border-top:1px solid rgba(255,255,255,.08);font-size:13.5px;color:#9AA79E}
  .side-foot a{display:block;color:#C9CFC7;padding:4px 0;min-height:32px}
  .side-foot a:hover{color:#fff;text-decoration:underline}

  .drawer-mask{
    position:fixed;inset:0;background:rgba(16,32,27,.55);z-index:55;
    opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;
  }
  body.drawer-open .drawer-mask{opacity:1;visibility:visible}

  /* ---------- 主内容 ---------- */
  .main{margin-left:var(--side-w);min-height:100vh;transition:margin-left .18s ease-out}
  .mobile-bar{
    display:none;align-items:center;justify-content:space-between;gap:12px;
    height:60px;padding:0 16px;background:var(--brand-900);color:#EAE6DC;
    position:sticky;top:0;z-index:40;
  }
  .mobile-bar .brand-text{font-size:15px}
  .hamburger{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:0;background:transparent;color:#EAE6DC}

  .toolbar{
    position:sticky;top:0;z-index:35;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    height:56px;padding:0 28px;
    background:rgba(255,255,255,.82);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);min-width:0}
  .crumb a{color:var(--ink-2)}
  .crumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
  .crumb .sep{color:#B9BFB8}
  .crumb .here{color:var(--ink);font-weight:500}
  .tool-actions{display:flex;align-items:center;gap:10px}
  .search-input{
    width:220px;height:40px;border-radius:var(--radius-btn);border:1px solid var(--line);
    background:var(--surface);padding:0 14px;font-size:14.5px;color:var(--ink);
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .search-input::placeholder{color:var(--ink-3)}
  .search-input:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(23,98,79,.18);outline:none}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;
    transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  }
  .btn-primary{background:var(--accent);color:#fff}
  .btn-primary:hover{background:var(--accent-strong);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(194,112,60,.7)}
  .btn-primary:active{transform:none;box-shadow:none}
  .btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
  .btn-ghost:hover{background:rgba(23,98,79,.06);color:var(--brand-600)}
  .btn-on-dark{background:transparent;border-color:rgba(255,255,255,.34);color:#EAE6DC}
  .btn-on-dark:hover{background:rgba(255,255,255,.1);color:#fff}
  .btn-sm{min-height:40px;padding:0 16px;font-size:14px}
  .btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
  .link-more{font-size:14.5px;font-weight:500;color:var(--brand)}
  .link-more:hover{color:var(--brand-600);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:500;line-height:1.6;
  }
  .badge-accent{background:var(--accent-soft);color:#8A4E24}
  .badge-brand{background:rgba(23,98,79,.1);color:var(--brand)}
  .badge-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.24)}

  /* ---------- 通栏封条 ---------- */
  .banner-wrap{padding:28px 0 0}
  .banner{position:relative;border-radius:16px;overflow:hidden;min-height:240px;display:flex;align-items:flex-end;border:1px solid var(--line)}
  .banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
  .banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(105deg,rgba(16,32,27,.9) 0%,rgba(16,32,27,.72) 46%,rgba(23,98,79,.42) 100%);
  }
  .banner-inner{position:relative;z-index:2;padding:36px 40px;max-width:760px;color:#EAE6DC}
  .banner-inner h1{font-size:36px;font-weight:700;color:#fff;margin:14px 0 12px}
  .banner-inner p{font-size:16px;line-height:1.85;color:#D6DCD4;margin:0 0 20px}
  .banner-cta{display:flex;flex-wrap:wrap;gap:12px}

  /* ---------- 通用文本 ---------- */
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:500;
    letter-spacing:.1em;color:var(--brand);text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:18px;height:18px;border:2px solid var(--brand);border-radius:4px;flex:none}
  .section-head{margin-bottom:36px;max-width:760px}
  .section-head h2{font-size:28px;margin:10px 0 12px}
  .section-head p{color:var(--ink-2);font-size:16px;margin:0}
  .lead{font-size:16px;color:var(--ink-2)}

  /* ---------- 支持渠道 ---------- */
  .channel-block{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:32px;display:grid;grid-template-columns:7fr 5fr;gap:32px;box-shadow:var(--shadow-card);
  }
  .channel-block h3{font-size:20px;margin-bottom:12px}
  .stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0 0}
  .stat{
    background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-img);
    padding:18px 16px;
  }
  .stat .num{font-size:26px;font-weight:700;color:var(--brand);line-height:1.3}
  .stat .cap{font-size:13.5px;color:var(--ink-2);margin-top:4px}
  .check-list{border-left:3px solid var(--brand);background:var(--surface-2);border-radius:0 var(--radius-img) var(--radius-img) 0;padding:20px 22px}
  .check-list h4{font-size:15px;margin-bottom:12px;color:var(--brand-900)}
  .check-list li{position:relative;padding-left:18px;font-size:15px;color:var(--ink-2);margin-bottom:10px;line-height:1.8}
  .check-list li:last-child{margin-bottom:0}
  .check-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;background:var(--brand);border-radius:2px}

  /* ---------- 交替图文 ---------- */
  .alt-list{display:flex;flex-direction:column;gap:56px}
  .alt-row{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:center}
  .alt-row.reverse .media{order:2}
  .media{
    position:relative;overflow:hidden;border-radius:var(--radius-img);
    border:1px solid var(--line);background:var(--surface-2);aspect-ratio:16/11;
  }
  .media img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease-out}
  .media:hover img{transform:scale(1.03)}
  .alt-body h3{font-size:20px;margin:14px 0 12px}
  .alt-body p{color:var(--ink-2);font-size:16px}
  .alt-points{display:grid;gap:8px;margin:16px 0}
  .alt-points li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.8}
  .alt-points li::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--accent);flex:none;margin-top:.72em}
  .meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:16px;font-size:13.5px;color:var(--ink-3)}
  .meta-row time{color:var(--ink-3)}

  /* ---------- 流程 ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
  .step{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px 20px;box-shadow:var(--shadow-card);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(23,98,79,.3)}
  .step .idx{
    display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
    border-radius:999px;background:rgba(23,98,79,.1);color:var(--brand);font-size:14px;font-weight:600;margin-bottom:14px;
  }
  .step h3{font-size:17px;margin-bottom:8px}
  .step p{font-size:14.5px;color:var(--ink-2);margin:0}

  /* ---------- 延伸阅读 ---------- */
  .read-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px;box-shadow:var(--shadow-card);
    transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(23,98,79,.3)}
  .card:hover h3{color:var(--brand)}
  .card .media{aspect-ratio:16/9;margin-bottom:16px}
  .card h3{font-size:18px;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease-out}
  .card p{font-size:15px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:0}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:12px}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;transition:background .18s ease-out,border-color .18s ease-out;
  }
  .faq-item[open]{background:var(--surface-2);border-color:rgba(23,98,79,.3)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:44px;padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"";width:9px;height:9px;flex:none;margin-top:-5px;
    border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
    transform:rotate(45deg);transition:transform .18s ease-out;
  }
  .faq-item[open] summary::after{transform:rotate(-135deg);margin-top:5px}
  .faq-body{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--brand-900);border-radius:16px;padding:40px;
    display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;color:#EAE6DC;
  }
  .cta-band h2{font-size:26px;color:#fff;margin-bottom:10px}
  .cta-band p{font-size:15.5px;color:#B9C2BA;margin:0;max-width:520px}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
  .icon-btn{
    width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.34);
    background:transparent;color:#EAE6DC;display:inline-flex;align-items:center;justify-content:center;
    transition:background .18s ease-out,color .18s ease-out;
  }
  .icon-btn:hover{background:rgba(255,255,255,.1);color:#fff}
  .toast{
    position:fixed;left:50%;bottom:32px;transform:translate(-50%,12px);
    background:var(--brand-900);color:#EAE6DC;padding:12px 20px;border-radius:999px;font-size:14px;
    opacity:0;visibility:hidden;transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s ease-out;z-index:90;
  }
  body.toast-on .toast{opacity:1;visibility:visible;transform:translate(-50%,0)}

  /* ---------- 页脚 ---------- */
  .footer{background:var(--brand-900);color:#C9CFC7;padding:56px 0 24px;margin-top:88px}
  .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
  .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .footer .brand-text{color:#fff}
  .footer p{font-size:14px;line-height:1.85;color:#9AA79E;max-width:280px;margin:0}
  .footer h3{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.02em}
  .footer li{margin-bottom:2px}
  .footer a{color:#C9CFC7;font-size:14.5px;display:inline-block;padding:5px 0;min-height:32px;transition:color .18s ease-out}
  .footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
    display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13.5px;color:#9AA79E;
  }

  /* ---------- 响应式 ---------- */
  @media (min-width:1024px){
    body.collapsed .sidebar{width:var(--side-w-collapsed)}
    body.collapsed .sidebar .brand-text,
    body.collapsed .sidebar .side-group-title,
    body.collapsed .sidebar .side-foot,
    body.collapsed .sidebar .side-link > span:last-child,
    body.collapsed .sidebar .side-sub{display:none}
    body.collapsed .side-link{justify-content:center;padding:0}
    body.collapsed .main{margin-left:var(--side-w-collapsed)}
  }

  @media (max-width:1023px){
    .sidebar{width:300px;max-width:84%;transform:translateX(-100%);box-shadow:0 24px 60px rgba(0,0,0,.35)}
    body.drawer-open .sidebar{transform:translateX(0)}
    body.collapsed .sidebar{width:300px;max-width:84%}
    .main{margin-left:0}
    .mobile-bar{display:flex}
    .collapse-btn{display:none}
    .toolbar{display:none}
    .section{padding:64px 0}
    .banner-wrap{padding:16px 0 0}
    .banner{min-height:200px;border-radius:14px}
    .banner-inner{padding:26px 24px}
    .banner-inner h1{font-size:28px}
    .channel-block{grid-template-columns:1fr;padding:24px}
    .stat-grid{grid-template-columns:1fr 1fr}
    .alt-row{grid-template-columns:1fr;gap:20px}
    .alt-row.reverse .media{order:0}
    .steps{grid-template-columns:1fr 1fr}
    .read-grid{grid-template-columns:1fr}
    .cta-band{padding:28px}
    .footer{margin-top:64px}
    .footer-top{grid-template-columns:1fr 1fr;gap:24px}
  }

  @media (max-width:639px){
    body{font-size:16px}
    .container{padding:0 16px}
    .section{padding:48px 0}
    .section-head h2{font-size:22px}
    .banner-inner h1{font-size:25px}
    .banner-inner p{font-size:15px}
    .banner-cta .btn{width:100%}
    .stat-grid{grid-template-columns:1fr}
    .steps{grid-template-columns:1fr}
    .cta-band h2{font-size:22px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1 1 100%}
    .footer-top{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;gap:6px}
    .alt-list{gap:40px}
  }