/* roulang page: index */
:root{
  --green:#14624F;
  --green-dark:#0E4638;
  --green-soft:#E4EDE9;
  --ochre:#C9551F;
  --dark:#12211C;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --surface:#EFEDE6;
  --text:#17201C;
  --text-2:#5D6660;
  --text-3:#8E948E;
  --line:#E4E2DA;
  --radius:6px;
  --shadow-1:0 1px 2px rgba(18,33,28,.05);
  --shadow-2:0 10px 30px -18px rgba(18,33,28,.35);
  --shadow-nav:0 8px 28px -14px rgba(18,33,28,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec:96px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--green-dark)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1400px){
  .container-x{max-width:1320px;padding:0 24px}
}

/* ============ 悬浮胶囊导航 ============ */
.site-nav{
  position:fixed;
  top:16px;left:0;right:0;
  z-index:1040;
  transition:top .24s var(--ease);
}
.site-nav.shrink{top:10px}
.nav-shell{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 14px 10px 20px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-nav);
  transition:padding .24s var(--ease);
}
.site-nav.shrink .nav-shell{padding:7px 12px 7px 18px}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:17px;color:var(--text);
  white-space:nowrap;
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:30px;height:30px;flex:0 0 30px;
  border-radius:9px;
  background:var(--green);
  position:relative;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.brand-mark::after{
  content:"";position:absolute;inset:8px 7px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;
  border-radius:2px;
}
.brand-mark::before{
  content:"";position:absolute;left:14px;top:7px;width:2px;height:12px;background:var(--ochre);border-radius:2px;
}
.nav-links{
  display:flex;align-items:center;gap:4px;
  margin:0 auto;
}
.nav-links a{
  position:relative;
  display:block;
  padding:8px 14px;
  font-size:15px;font-weight:500;
  color:var(--text-2);
  border-radius:999px;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--green);background:rgba(20,98,79,.06)}
.nav-links a.active{color:var(--green);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:16px;height:2px;background:var(--ochre);
  border-radius:2px;transform:translateX(-50%);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 20px;
  background:var(--green);color:#fff;
  border-radius:999px;font-size:15px;font-weight:600;
  white-space:nowrap;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{background:var(--green-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px -10px rgba(14,70,56,.8)}
.nav-burger{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border:1px solid var(--line);background:#fff;
  border-radius:999px;
  align-items:center;justify-content:center;
  cursor:pointer;
}
.nav-burger span{
  display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;
}
.nav-burger span::before,.nav-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}

.drawer{
  position:fixed;inset:0;z-index:1050;
  background:var(--paper);
  padding:20px;
  display:none;
  flex-direction:column;
  overflow-y:auto;
}
.drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:22px;line-height:1;color:var(--text);cursor:pointer;
}
.drawer a.drawer-link{
  display:flex;align-items:center;
  height:56px;padding:0 4px;
  font-size:17px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer a.drawer-link.active{color:var(--green);font-weight:600}
.drawer-cta{
  margin-top:24px;
  display:flex;align-items:center;justify-content:center;
  height:52px;border-radius:999px;
  background:var(--green);color:#fff;font-weight:600;font-size:16px;
}
.drawer-cta:hover{color:#fff}

/* ============ 通用 ============ */
.section{padding:var(--sec) 0}
.section-head{max-width:720px;margin-bottom:44px}
.eyebrow{
  display:inline-block;
  font-size:12px;letter-spacing:.12em;
  color:var(--ochre);font-weight:600;
  margin-bottom:14px;
}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;font-weight:800}
h2{font-size:clamp(22px,2.8vw,34px);line-height:1.28;font-weight:700}
h3{font-size:19px;line-height:1.4;font-weight:600}
.lead{font-size:16px;color:var(--text-2);margin-top:16px;max-width:38em}
.muted{color:var(--text-2)}
.hr-soft{height:1px;background:var(--line);border:0;margin:0}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  background:var(--green);color:#fff;
  border:1px solid var(--green);
  border-radius:999px;font-weight:600;font-size:16px;
  cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-main:hover{background:var(--green-dark);border-color:var(--green-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -16px rgba(14,70,56,.85)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  background:transparent;color:var(--green);
  border:1px solid var(--green);
  border-radius:999px;font-weight:600;font-size:16px;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:rgba(20,98,79,.08);color:var(--green-dark);transform:translateY(-1px)}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 26px;background:#fff;color:var(--dark);
  border:1px solid #fff;border-radius:999px;font-weight:600;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-light:hover{color:var(--dark);transform:translateY(-1px);box-shadow:0 12px 24px -16px rgba(0,0,0,.6)}
.btn-outline-light-x{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 24px;background:transparent;color:#fff;
  border:1px solid rgba(255,255,255,.42);border-radius:999px;font-weight:600;font-size:15px;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.btn-outline-light-x:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.link-underline{
  position:relative;color:var(--ochre);font-weight:600;display:inline-flex;align-items:center;gap:6px;
}
.link-underline::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--ochre);
  transition:width .24s var(--ease);
}
.link-underline:hover{color:var(--ochre)}
.link-underline:hover::after{width:100%}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:150px 0 96px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center right;
  opacity:.13;
  z-index:-2;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(247,246,242,.86) 0%,rgba(247,246,242,.96) 62%,var(--paper) 100%);
  z-index:-1;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.hero-copy{max-width:620px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--green);
  box-shadow:var(--shadow-1);
  margin-bottom:22px;
}
.hero-kicker i{
  width:7px;height:7px;border-radius:50%;background:var(--ochre);display:inline-block;
}
.hero h1 .accent{color:var(--green)}
.hero-sub{
  margin-top:20px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:30em;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius);
  box-shadow:var(--shadow-2);
  transform:translateY(28px);
}
.hero-badge{
  position:absolute;left:-14px;bottom:8px;
  background:var(--ochre);color:#fff;
  padding:9px 16px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  box-shadow:0 12px 24px -14px rgba(201,85,31,.9);
}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  margin-top:56px;
  padding-top:32px;
  border-top:1px solid var(--line);
}
.stat-num{font-size:34px;font-weight:800;line-height:1.1;color:var(--text);font-variant-numeric:tabular-nums}
.stat-num span{font-size:16px;color:var(--text-3);font-weight:600;margin-left:2px}
.stat-label{font-size:13px;color:var(--text-3);margin-top:6px;letter-spacing:.02em}

/* ============ 倒计时条 ============ */
.countdown-band{
  background:var(--dark);
  color:#fff;
  padding:26px 0;
  position:relative;
  overflow:hidden;
}
.countdown-band::before{
  content:"";position:absolute;left:-10%;top:-140%;width:520px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,98,79,.55),transparent 68%);
}
.countdown-inner{
  position:relative;
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  justify-content:space-between;
}
.countdown-text{font-size:15px;color:rgba(255,255,255,.78);max-width:24em}
.countdown-text b{color:#fff;font-weight:600}
.clock{display:flex;align-items:flex-start;gap:10px}
.clock-unit{text-align:center;min-width:62px}
.clock-unit .v{
  font-size:36px;font-weight:800;line-height:1.05;color:var(--ochre);
  font-variant-numeric:tabular-nums;
  transition:opacity .28s var(--ease);
}
.clock-unit .v.fade{opacity:.35}
.clock-unit .k{font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.55);margin-top:6px}
.clock-sep{font-size:26px;font-weight:700;color:rgba(255,255,255,.28);line-height:1.2}

/* ============ 卖点 ============ */
.points-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 64px;
}
.points-col.right{padding-top:32px}
.point-item{padding:30px 0;border-top:1px solid var(--line)}
.point-item:first-child{border-top:0;padding-top:0}
.point-no{
  font-size:40px;font-weight:800;color:var(--ochre);
  line-height:1;font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.point-item h3{margin-top:14px}
.point-item p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ============ 图墙 ============ */
.wall{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  grid-auto-rows:150px;
  gap:16px;
}
.wall-item{
  position:relative;overflow:hidden;border-radius:var(--radius);
  background:var(--surface);
  display:block;
}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.wall-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,33,28,0) 38%,rgba(18,33,28,.72) 100%);
  opacity:.82;transition:opacity .3s var(--ease),background .3s var(--ease);
}
.wall-cap{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  color:#fff;font-size:15px;font-weight:600;
  transform:translateY(0);transition:transform .3s var(--ease);
}
.wall-cap small{display:block;font-size:12px;font-weight:400;color:rgba(255,255,255,.72);margin-top:4px;letter-spacing:.04em}
.wall-item:hover img{transform:scale(1.03)}
.wall-item:hover::after{background:rgba(18,33,28,.45);opacity:1}
.wall-item:hover .wall-cap{transform:translateY(-4px)}
.wall-item.major{grid-column:span 6;grid-row:span 2}
.wall-item.minor{grid-column:span 3;grid-row:span 1}

/* ============ 资讯列表 ============ */
.post-card{
  height:100%;
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.post-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D6D3C7}
.badge-tag{
  display:inline-flex;align-items:center;height:24px;
  padding:0 12px;border-radius:999px;
  background:var(--green-soft);color:var(--green);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  align-self:flex-start;
}
.post-card h3{margin-top:16px;font-size:18px}
.post-card h3 a{
  color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover h3 a{color:var(--green)}
.post-excerpt{
  margin-top:12px;font-size:15px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:20px;
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-3);
  border-top:1px solid var(--line);
  margin-top:22px;
}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block}
.post-more{
  margin-left:auto;display:inline-flex;align-items:center;gap:4px;
  color:var(--green);font-weight:600;font-size:13px;
}
.post-more svg{transition:transform .24s var(--ease)}
.post-card:hover .post-more svg{transform:translateX(4px)}
.empty-state{
  min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  text-align:center;padding:40px 24px;
}
.empty-icon{
  width:64px;height:64px;border-radius:50%;
  background:var(--surface);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-3);font-size:24px;
}
.empty-state p{font-size:15px;color:var(--text-2)}

/* ============ CTA 表单 ============ */
.cta-band{
  background:var(--dark);color:#fff;
  padding:88px 0;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-8%;top:-30%;width:560px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,98,79,.45),transparent 66%);
}
.cta-grid{
  position:relative;
  display:grid;grid-template-columns:45% 55%;gap:48px;align-items:start;
}
.cta-band h2{color:#fff}
.cta-band .cta-sub{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;margin-top:16px;max-width:26em}
.cta-list{margin-top:26px;display:grid;gap:12px}
.cta-list li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.78);align-items:flex-start}
.cta-list li b{color:var(--ochre);font-weight:700;font-variant-numeric:tabular-nums}
.form-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:28px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:rgba(255,255,255,.86);margin-bottom:8px}
.field label .req{color:var(--ochre);margin-left:4px}
.field input,.field textarea{
  width:100%;height:46px;padding:0 14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);
  color:#fff;font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.38)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--green);
  background:rgba(255,255,255,.09);
  box-shadow:0 0 0 3px rgba(20,98,79,.28);
}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;width:0;height:0}
.chip span{
  display:inline-flex;align-items:center;
  height:40px;padding:0 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  color:rgba(255,255,255,.78);font-size:14px;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip input:checked + span{background:#fff;color:var(--dark);border-color:#fff;font-weight:600}
.chip input:focus-visible + span{outline:2px solid var(--ochre);outline-offset:2px}
.form-submit{
  width:100%;height:52px;margin-top:8px;
  background:var(--green);color:#fff;border:1px solid var(--green);
  border-radius:999px;font-weight:600;font-size:16px;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.form-submit:hover{background:var(--green-dark);border-color:var(--green-dark);transform:translateY(-1px)}
.form-note{
  display:flex;align-items:flex-start;gap:8px;
  margin-top:14px;font-size:12px;line-height:1.7;color:rgba(255,255,255,.55);
}
.form-note input{margin-top:3px;accent-color:var(--green)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  width:100%;min-height:60px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 24px;
  background:#fff;border:0;
  font-size:17px;font-weight:600;color:var(--text);
  text-align:left;cursor:pointer;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.accordion-button:hover{color:var(--green)}
.accordion-button:focus{box-shadow:inset 0 0 0 2px rgba(20,98,79,.28);outline:none}
.accordion-button::after{
  content:"+";
  flex:0 0 auto;
  font-size:24px;font-weight:400;line-height:1;
  color:var(--ochre);
  background:none;width:auto;height:auto;
  transition:transform .28s var(--ease);
}
.accordion-button:not(.collapsed){color:var(--green)}
.accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg)}
.accordion-body{padding:0 24px 24px;font-size:15px;line-height:1.85;color:var(--text-2)}
.accordion-collapse{border-top:1px solid var(--line)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  padding:72px 0 0;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;
}
.site-footer .brand{color:#fff;font-size:17px}
.site-footer .brand:hover{color:#fff}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-top:18px;max-width:26em}
.footer-col h4{
  font-size:13px;letter-spacing:.12em;color:rgba(255,255,255,.5);
  font-weight:600;margin-bottom:18px;
}
.footer-col li{margin-bottom:11px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;position:relative}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:#fff;
  transition:width .24s var(--ease);
}
.footer-col a:hover{color:#fff}
.footer-col a:hover::after{width:100%}
.footer-col .muted-line{font-size:13px;line-height:1.8;color:rgba(255,255,255,.5)}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.78);
  font-size:13px;background:transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.12);color:#fff}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-links a{padding:8px 10px;font-size:14px}
  .nav-cta{padding:9px 16px;font-size:14px}
}
@media (max-width:991.98px){
  :root{--sec:72px}
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:flex}
  .nav-shell{padding:8px 10px 8px 16px}
  .hero{padding:130px 0 72px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:40px}
  .hero-media img{transform:none;aspect-ratio:16/10}
  .hero-badge{left:14px;bottom:-14px}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .wall{grid-auto-rows:180px}
  .wall-item.major{grid-column:span 12;grid-row:span 1}
  .wall-item.minor{grid-column:span 6}
}
@media (max-width:767.98px){
  .countdown-inner{flex-direction:column;align-items:flex-start;gap:18px}
  .clock-unit{min-width:52px}
  .clock-unit .v{font-size:28px}
  .points-grid{grid-template-columns:minmax(0,1fr);gap:0}
  .points-col.right{padding-top:0}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .section-head{margin-bottom:32px}
  .cta-band{padding:64px 0}
  .form-card{padding:22px}
}
@media (max-width:575.98px){
  :root{--sec:56px}
  .container-x{padding:0 16px}
  .hero{padding:112px 0 56px}
  .hero h1{font-size:30px}
  .hero-actions{gap:14px}
  .hero-actions .btn-main,.hero-actions .link-underline{width:100%;justify-content:center}
  .wall{grid-template-columns:1fr;grid-auto-rows:200px}
  .wall-item.major,.wall-item.minor{grid-column:span 1}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-num{font-size:28px}
  .post-card{padding:22px}
  .accordion-button{min-height:56px;padding:0 18px;font-size:16px}
  .accordion-body{padding:0 18px 20px}
  .point-no{font-size:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:color .15s linear,background-color .15s linear,border-color .15s linear !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#14624F;
  --brand-dark:#0E4638;
  --brand-soft:rgba(20,98,79,.08);
  --accent:#C9551F;
  --ink:#17201C;
  --ink-2:#5D6660;
  --ink-3:#8E948E;
  --line:#E4E2DA;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --soft:#EFEDE6;
  --dark:#12211C;
  --r-card:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,33,28,.05);
  --sh-2:0 10px 30px -18px rgba(18,33,28,.35);
  --sh-nav:0 8px 28px -14px rgba(18,33,28,.28);
  --focus:0 0 0 3px rgba(20,98,79,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
@media (min-width:1400px){.container-x{max-width:1320px;}}

/* ---------- 悬浮胶囊导航 ---------- */
.site-nav{
  position:fixed;left:50%;transform:translateX(-50%);
  top:16px;width:min(1200px,calc(100% - 32px));
  z-index:1040;
  transition:top .24s var(--ease);
}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-nav);
  padding:10px 12px 10px 20px;
  transition:padding .24s var(--ease),box-shadow .24s var(--ease);
}
.site-nav.scrolled{top:10px;}
.site-nav.scrolled .nav-shell{padding:7px 10px 7px 18px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:16px;letter-spacing:.01em;white-space:nowrap;}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:22px;height:22px;border-radius:7px;flex:0 0 22px;
  background:linear-gradient(150deg,var(--brand),var(--brand-dark));
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px 5px 5px 7px;
  border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);
  border-radius:0 0 3px 0;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft);}
.nav-links a.active{color:var(--brand);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:4px;width:18px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-cta{
  margin-left:6px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;
  border-radius:var(--r-pill);
  padding:11px 22px;font-size:14.5px;font-weight:600;
  box-shadow:var(--sh-1);
  transition:background-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.nav-cta:active{transform:none;}
.nav-burger{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:#fff;
  position:relative;cursor:pointer;
}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--ink);
  content:"";transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-burger span{top:21px;}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}
.nav-burger[aria-expanded="true"] span{background:transparent;}
.nav-burger[aria-expanded="true"] span::before{transform:translateX(-50%) rotate(45deg);top:0;}
.nav-burger[aria-expanded="true"] span::after{transform:translateX(-50%) rotate(-45deg);top:0;}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:var(--r-pill);padding:14px 28px;font-weight:600;font-size:15px;
  box-shadow:var(--sh-1);cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:none;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:var(--brand);border:1px solid var(--brand);
  border-radius:var(--r-pill);padding:13px 26px;font-weight:600;font-size:15px;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.btn-light{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--dark);border:1px solid #fff;
  border-radius:var(--r-pill);padding:14px 28px;font-weight:600;font-size:15px;cursor:pointer;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.btn-light:hover{transform:translateY(-1px);color:var(--brand-dark);}
.btn-outline-light{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);
  border-radius:var(--r-pill);padding:13px 26px;font-weight:600;font-size:15px;cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.btn-brand[disabled],button:disabled{opacity:.45;cursor:not-allowed;transform:none!important;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-weight:600;font-size:14.5px;
  position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--accent);
  transition:width .24s var(--ease);
}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover::after{width:100%;}
.link-arrow i{transition:transform .2s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 通用 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-label{
  display:inline-block;font-size:12px;letter-spacing:.12em;font-weight:700;
  color:var(--accent);text-transform:uppercase;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(22px,2.8vw,34px);line-height:1.28;}
.sec-head p{margin-top:14px;color:var(--ink-2);font-size:15.5px;max-width:640px;}
.badge-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;
  border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 面包屑 ---------- */
.crumb{padding:112px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .current{color:var(--ink-2);}

/* ---------- 内页 Hero ---------- */
.cat-hero{
  position:relative;margin-top:22px;
  border-radius:var(--r-card);overflow:hidden;
  min-height:380px;display:flex;align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(18,33,28,.86) 0%,rgba(18,33,28,.62) 52%,rgba(18,33,28,.28) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
}
.cat-hero-inner{padding:56px 48px;max-width:760px;}
.cat-hero .kicker{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;border-radius:var(--r-pill);padding:6px 14px;font-size:12.5px;
  letter-spacing:.06em;font-weight:600;margin-bottom:20px;
}
.cat-hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,50px);line-height:1.18;font-weight:800;
  letter-spacing:-.01em;
}
.cat-hero .h1-sub{margin-top:16px;color:rgba(255,255,255,.82);font-size:15px;line-height:1.9;max-width:620px;}
.cat-hero .hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:28px;}
.cat-hero .hero-meta div span{display:block;}
.cat-hero .hero-meta .num{font-size:30px;font-weight:800;color:#fff;line-height:1.2;}
.cat-hero .hero-meta .lbl{font-size:12.5px;color:rgba(255,255,255,.66);letter-spacing:.04em;}

/* ---------- 长列表流 ---------- */
.list-flow{border-top:1px solid var(--line);}
.list-row{
  display:flex;gap:26px;padding:28px 0;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.list-row:hover{background:rgba(255,255,255,.7);}
.list-thumb{
  flex:0 0 200px;width:200px;height:140px;border-radius:var(--r-card);overflow:hidden;
  background:var(--soft);position:relative;
}
.list-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.list-row:hover .list-thumb img{transform:scale(1.03);}
.list-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:10px;}
.list-body h3{font-size:19px;line-height:1.45;}
.list-body h3 a{color:var(--ink);}
.list-row:hover .list-body h3 a{color:var(--brand);}
.list-body .excerpt{
  color:var(--ink-2);font-size:15px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.list-foot{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:2px;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:12px;color:var(--ink-2);background:#fff;
}
.list-foot .date{font-size:13px;color:var(--ink-3);}
.list-foot .arrow{margin-left:auto;color:var(--ink-3);font-size:14px;transition:transform .2s var(--ease),color .2s var(--ease);}
.list-row:hover .list-foot .arrow{color:var(--accent);transform:translateX(4px);}

/* ---------- 覆盖范围 ---------- */
.scope-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.scope-cell{background:#fff;padding:26px 22px;}
.scope-cell i{color:var(--brand);font-size:18px;}
.scope-cell h3{font-size:17px;margin:12px 0 8px;}
.scope-cell p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}

/* ---------- 更新节奏 / 时间线简表 ---------- */
.rhythm{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
.rhythm-figure{border-radius:var(--r-card);overflow:hidden;background:var(--soft);box-shadow:var(--sh-1);}
.rhythm-figure img{width:100%;height:100%;max-height:360px;object-fit:cover;}
.rhythm-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);}
.rhythm-list li:first-child{padding-top:0;}
.rhythm-list .idx{font-size:15px;font-weight:800;color:var(--accent);flex:0 0 34px;}
.rhythm-list h3{font-size:17px;margin-bottom:6px;}
.rhythm-list p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:var(--r-card)!important;
  margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:#fff;color:var(--ink);font-size:17px;font-weight:600;line-height:1.5;
  padding:18px 22px;border-radius:var(--r-card)!important;box-shadow:none!important;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--brand);}
.accordion-button::after{
  width:16px;height:16px;background-image:none;
  content:"+";font-size:20px;line-height:1;color:var(--accent);font-weight:600;
  display:flex;align-items:center;justify-content:center;
  transition:transform .24s var(--ease);transform:none;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-button:focus{box-shadow:var(--focus)!important;border-color:var(--brand)!important;}
.accordion-body{padding:0 22px 24px;color:var(--ink-2);font-size:15px;line-height:1.85;}

/* ---------- CTA 反色条 ---------- */
.cta-band{background:var(--dark);color:#fff;border-radius:0;padding:64px 0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,98,79,.42),transparent 68%);
}
.cta-inner{position:relative;display:flex;gap:40px;align-items:center;justify-content:space-between;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;max-width:560px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 互链胶囊 ---------- */
.pill-links{display:flex;flex-wrap:wrap;gap:12px;}
.pill-links a{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  border-radius:var(--r-pill);padding:10px 18px;font-size:14.5px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.pill-links a:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px);}
.pill-links a .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:0;padding:64px 0 28px;}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14.5px;position:relative;display:inline-block;}
.footer-col ul a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:#fff;transition:width .24s var(--ease);}
.footer-col ul a:hover{color:#fff;}
.footer-col ul a:hover::after{width:100%;}
.muted-line{font-size:13.5px;line-height:1.95;color:rgba(255,255,255,.6);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13.5px;color:rgba(255,255,255,.55);}
.to-top{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.32);
  border-radius:var(--r-pill);padding:8px 18px;font-size:13px;cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.12);border-color:#fff;}

/* ---------- 移动抽屉 ---------- */
@media (max-width:991.98px){
  .nav-links{
    position:fixed;inset:0;z-index:1050;display:flex;flex-direction:column;align-items:stretch;
    background:var(--paper);padding:96px 24px 32px;gap:0;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease);
  }
  .nav-links.open{opacity:1;transform:none;pointer-events:auto;}
  .nav-links a{
    display:flex;align-items:center;height:56px;padding:0 4px;border-radius:0;
    border-bottom:1px solid var(--line);font-size:16.5px;color:var(--ink);
  }
  .nav-links a.active::after{left:4px;transform:none;bottom:14px;}
  .nav-links a:hover{background:transparent;color:var(--brand);}
  .nav-cta{display:none;}
  .nav-burger{display:block;z-index:1060;}
  .nav-shell{padding:9px 12px 9px 18px;}
  .cat-hero-inner{padding:36px 24px;}
  .section{padding:60px 0;}
  .section--tight{padding:48px 0;}
  .scope-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rhythm{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .crumb{padding-top:96px;}
}
@media (max-width:575.98px){
  .cat-hero{min-height:auto;background-image:linear-gradient(180deg,rgba(18,33,28,.7) 0%,rgba(18,33,28,.9) 100%),url(/assets/images/backpic/back-2.png);}
  .cat-hero h1{font-size:30px;}
  .cat-hero .hero-meta{gap:20px;}
  .cat-hero .hero-meta .num{font-size:24px;}
  .list-row{flex-direction:column;gap:16px;padding:22px 0;}
  .list-thumb{flex:none;width:100%;height:180px;}
  .list-body h3{font-size:17px;}
  .list-foot{gap:8px;}
  .list-foot .arrow{margin-left:0;}
  .scope-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-light,.cta-actions .btn-outline-light{width:100%;justify-content:center;}
  .accordion-button{font-size:16px;padding:16px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms!important;animation-duration:.001ms!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --green:#14624F;
  --green-d:#0E4638;
  --green-soft:rgba(20,98,79,.08);
  --orange:#C9551F;
  --ink:#12211C;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --soft:#EFEDE6;
  --text:#17201C;
  --text-2:#5D6660;
  --text-3:#8E948E;
  --line:#E4E2DA;
  --ring:rgba(20,98,79,.28);
  --r:6px;
  --sh1:0 1px 2px rgba(18,33,28,.05);
  --sh2:0 10px 30px -18px rgba(18,33,28,.35);
  --sh-nav:0 8px 28px -14px rgba(18,33,28,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:220ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:88px;
  background:var(--paper);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;}
a:hover{color:var(--green-d);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;}
.num{font-variant-numeric:tabular-nums;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--green);
  outline-offset:2px;
  box-shadow:0 0 0 4px var(--ring);
  border-radius:4px;
}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container-x{max-width:1320px;}}

/* ============ 悬浮胶囊导航 ============ */
.site-nav{position:fixed;top:16px;left:0;right:0;z-index:1030;padding:0 16px;transition:top var(--dur) var(--ease);}
.site-nav.compact{top:10px;}
.nav-shell{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 10px 0 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-nav);
  transition:height var(--dur) var(--ease);
}
@media (min-width:1400px){.nav-shell{max-width:1320px;}}
.site-nav.compact .nav-shell{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--text);letter-spacing:-.01em;white-space:nowrap;}
.brand:hover{color:var(--green);}
.brand-mark{width:26px;height:26px;border-radius:8px;background:var(--green);position:relative;flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:2px;background:var(--orange);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-block;padding:8px 4px;
  font-size:15px;color:var(--text-2);
  transition:color var(--dur) var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:0;width:18px;height:2px;border-radius:2px;
  background:var(--orange);transform:translateX(-50%) scaleX(0);
  transition:transform var(--dur) var(--ease);
}
.nav-links a:hover{color:var(--green);}
.nav-links a.active{color:var(--green);font-weight:600;}
.nav-links a.active::after{transform:translateX(-50%) scaleX(1);}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  padding:10px 22px;border-radius:999px;
  background:var(--green);color:#fff;font-size:14px;font-weight:600;
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-cta:hover{background:var(--green-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.nav-burger{
  display:none;position:relative;z-index:1050;
  width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
}
.nav-burger span{position:absolute;left:50%;top:50%;width:18px;height:2px;background:var(--text);border-radius:2px;transform:translate(-50%,-50%);transition:background var(--dur) var(--ease);}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--dur) var(--ease);}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}
body.nav-open .nav-burger span{background:transparent;}
body.nav-open .nav-burger span::before{transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-burger span::after{transform:translateY(-6px) rotate(-45deg);}
@media (max-width:991.98px){
  .nav-links{
    position:fixed;inset:0;z-index:1040;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:104px 24px 32px;
    background:var(--paper);overflow-y:auto;
  }
  body.nav-open .nav-links{display:flex;}
  .nav-links a{display:flex;align-items:center;height:56px;padding:0 4px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--green);}
  .nav-burger{display:inline-flex;margin-left:auto;}
  .nav-cta{margin-left:auto;}
  body.nav-open{overflow:hidden;}
}
@media (max-width:575.98px){
  .brand span:last-child{font-size:14px;}
  .nav-cta{padding:9px 16px;font-size:13px;}
}

/* ============ 阅读进度 ============ */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--orange);z-index:1060;transition:width .1s linear;}

/* ============ 通用按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1px solid var(--green);
  background:var(--green);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-main:hover{background:var(--green-d);border-color:var(--green-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-main:active{transform:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid var(--green);
  background:transparent;color:var(--green);font-size:15px;font-weight:600;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-ghost:hover{background:var(--green-soft);color:var(--green-d);transform:translateY(-1px);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--orange);font-size:15px;font-weight:600;position:relative;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--orange);
  transition:width 240ms var(--ease);
}
.link-more:hover{color:var(--orange);}
.link-more:hover::after{width:100%;}

/* ============ 面包屑 & 文章头 ============ */
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:32px 0 0;font-size:14px;color:var(--text-3);
}
.breadcrumb-x a{color:var(--text-2);}
.breadcrumb-x a:hover{color:var(--green);}
.breadcrumb-x .sep{color:#C9C7BE;}
.breadcrumb-x .cur-cat{color:var(--text-2);}
.breadcrumb-x .cur{color:var(--text-3);max-width:420px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.article-head{max-width:812px;padding:22px 0 0;}
.article-head h1{
  font-size:clamp(28px,3.6vw,40px);line-height:1.22;font-weight:800;
  letter-spacing:-.01em;margin:16px 0 16px;
}
.cat-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;background:var(--green-soft);color:var(--green);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.cat-badge:hover{background:rgba(20,98,79,.16);color:var(--green-d);}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;font-size:14px;color:var(--text-3);}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C9C7BE;}

/* ============ 主体两栏 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;
  align-items:start;padding:36px 0 0;
}
@media (max-width:1199.98px){.article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px;}}
@media (max-width:991.98px){.article-layout{grid-template-columns:1fr;gap:40px;}}

/* ============ 正文排版 ============ */
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:var(--text);}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;
  margin:40px 0 16px;padding-left:14px;scroll-margin-top:110px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:2px;background:var(--orange);}
.article-body h3{font-size:18px;line-height:1.4;font-weight:600;margin:28px 0 12px;scroll-margin-top:110px;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.5em;line-height:1.9;}
.article-body li{margin-bottom:.45em;}
.article-body ul li::marker{color:var(--green);}
.article-body ol li::marker{color:var(--orange);font-weight:600;}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:3px solid var(--green);background:var(--soft);
  border-radius:0 var(--r) var(--r) 0;color:var(--text-2);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{max-width:100%;height:auto;border-radius:var(--r);margin:24px auto 8px;box-shadow:var(--sh1);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;line-height:1.7;}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--green-d);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.article-body strong{font-weight:700;color:var(--ink);}
.table-wrap{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:var(--r);background:#fff;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;}
.article-body th{background:rgba(20,98,79,.08);color:var(--green);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);white-space:nowrap;vertical-align:top;}
.article-body tr:last-child td{border-bottom:0;}

/* ============ 空态 ============ */
.empty-state{
  max-width:760px;min-height:260px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:48px 24px;text-align:center;box-shadow:var(--sh1);
}
.empty-ico{
  width:64px;height:64px;border-radius:50%;background:var(--soft);color:var(--text-3);
  display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;
}
.empty-state p{font-size:15px;color:var(--text-2);margin:0;}

/* ============ 文末 ============ */
.article-foot{max-width:760px;margin-top:44px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--text-2);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.tag:hover{border-color:var(--green);color:var(--green);background:var(--green-soft);}
.foot-split{height:1px;background:var(--line);margin:28px 0;}
.post-nav{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}

/* ============ 相关推荐 ============ */
.related{padding:64px 0 0;}
.sec-head{margin-bottom:24px;}
.sec-head h2{font-size:clamp(20px,2.4vw,28px);line-height:1.3;font-weight:700;}
.sec-head p{margin-top:8px;font-size:15px;color:var(--text-2);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:991.98px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.related-grid{grid-template-columns:1fr;}}
.news-card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh1);
  transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.news-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.news-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--soft);}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;margin:0;box-shadow:none;transition:transform .4s var(--ease);}
.news-card:hover .thumb img{transform:scale(1.03);}
.news-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card h3{font-size:17px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a{color:var(--text);}
.news-card:hover h3 a{color:var(--green);}
.news-card .excerpt{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.news-card .meta .arrow{margin-left:auto;color:var(--orange);transition:transform var(--dur) var(--ease);}
.news-card:hover .meta .arrow{transform:translateX(4px);}

/* ============ 侧栏 ============ */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
@media (max-width:991.98px){.sidebar{position:static;top:auto;}}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--sh1);}
.side-title{font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--text-3);margin:0 0 14px;}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto;}
.toc-list a{
  display:block;padding:8px 10px;font-size:14px;line-height:1.5;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 4px 4px 0;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.toc-list a:hover{color:var(--green);background:var(--green-soft);}
.toc-list a.on{color:var(--green);font-weight:600;border-left-color:var(--green);background:var(--green-soft);}
.hot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;}
.hot-list li{display:flex;gap:12px;align-items:flex-start;}
.hot-list .num{color:var(--orange);font-weight:700;font-size:14px;line-height:1.7;}
.hot-list a{font-size:14px;line-height:1.7;color:var(--text-2);}
.hot-list a:hover{color:var(--green);}
.side-cta{background:var(--ink);border-radius:var(--r);padding:24px;color:rgba(255,255,255,.78);}
.side-cta h3{color:#fff;font-size:17px;line-height:1.4;margin-bottom:10px;}
.side-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.7);margin-bottom:18px;}
.side-cta .btn-main{width:100%;background:#fff;border-color:#fff;color:var(--ink);}
.side-cta .btn-main:hover{background:var(--soft);border-color:var(--soft);color:var(--ink);}

/* ============ CTA 反色区 ============ */
.cta-band{background:var(--ink);margin-top:80px;padding:72px 0;border-radius:0;}
.cta-band .cta-grid{display:grid;grid-template-columns:45% 55%;gap:48px;align-items:center;}
@media (max-width:991.98px){.cta-band .cta-grid{grid-template-columns:1fr;gap:28px;}}
.cta-band .eyebrow{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.55);margin-bottom:14px;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);line-height:1.3;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;margin-top:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:flex-start;}
.cta-band .btn-main{background:#fff;border-color:#fff;color:var(--ink);}
.cta-band .btn-main:hover{background:var(--soft);border-color:var(--soft);color:var(--ink);}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.5fr;gap:48px;padding-bottom:48px;}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:32px;}}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-mark{background:var(--green);}
.site-footer .brand-mark::after{background:var(--orange);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-col a{position:relative;font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.muted-line{font-size:13px;line-height:1.95;color:rgba(255,255,255,.6);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  border:1px solid rgba(255,255,255,.24);background:transparent;color:#fff;
  font-size:13px;padding:8px 18px;border-radius:999px;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.to-top:hover{background:#fff;border-color:#fff;color:var(--ink);}

/* ============ 滚动进场 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1 !important;transform:none !important;}
}

/* roulang page: category2 */
:root{
  --brand:#14624F;
  --brand-d:#0E4638;
  --accent:#C9551F;
  --dark:#12211C;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --soft:#EFEDE6;
  --ink:#17201C;
  --ink2:#5D6660;
  --ink3:#8E948E;
  --line:#E4E2DA;
  --focus:rgba(20,98,79,.28);
  --r:6px;
  --pill:999px;
  --sh1:0 1px 2px rgba(18,33,28,.05);
  --sh2:0 10px 30px -18px rgba(18,33,28,.35);
  --sh-nav:0 8px 28px -14px rgba(18,33,28,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --wrap:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-d)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.01em}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;font-weight:800}
h2{font-size:clamp(22px,2.8vw,34px);line-height:1.28;font-weight:700}
h3{font-size:19px;line-height:1.4;font-weight:600}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

.container-x{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-x{max-width:1320px}}

/* ---------- 悬浮胶囊导航 ---------- */
.site-nav{position:fixed;top:16px;left:0;right:0;z-index:1030;padding:0 16px;transition:top .24s var(--ease)}
.site-nav.scrolled{top:10px}
.nav-shell{
  max-width:var(--wrap);margin:0 auto;display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:var(--pill);
  box-shadow:var(--sh-nav);padding:10px 12px 10px 20px;
  transition:padding .24s var(--ease);
}
@media (min-width:1400px){.nav-shell{max-width:1320px}}
.site-nav.scrolled .nav-shell{padding-top:6px;padding-bottom:6px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--ink);white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{position:relative;flex:none;width:24px;height:24px;border-radius:8px;background:var(--brand)}
.brand-mark::after{content:"";position:absolute;left:7px;top:6px;width:9px;height:11px;border-left:2px solid #fff;border-bottom:2px solid #fff;border-radius:1px;transform:skewX(-12deg);opacity:.92}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{position:relative;padding:8px 12px;font-size:14.5px;color:var(--ink2);border-radius:var(--pill);transition:color .2s var(--ease),background-color .2s var(--ease)}
.nav-links a:hover{color:var(--brand);background:rgba(20,98,79,.06)}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:50%;bottom:2px;width:16px;height:2px;border-radius:2px;background:var(--accent);transform:translateX(-50%)}
.nav-cta{
  flex:none;display:inline-flex;align-items:center;justify-content:center;
  padding:11px 22px;border-radius:var(--pill);background:var(--brand);color:#fff;
  font-size:14.5px;font-weight:600;box-shadow:var(--sh1);
  transition:background-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{background:var(--brand-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.nav-cta:active{transform:none}
.nav-burger{
  display:none;position:relative;z-index:1050;width:44px;height:44px;flex:none;
  border:1px solid var(--line);border-radius:var(--pill);background:#fff;align-items:center;justify-content:center;
}
.nav-burger span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:background-color .2s var(--ease)}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .24s var(--ease)}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-burger[aria-expanded="true"] span{background:transparent}
.nav-burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;padding:158px 0 64px;color:#fff;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(18,33,28,.84)}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 12% 0%,rgba(20,98,79,.42),transparent 62%)}
.hero-inner{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.38)}
.crumb .now{color:rgba(255,255,255,.92)}
.page-hero h1{color:#fff;max-width:840px}
.hero-sub{margin-top:16px;max-width:640px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18);
}
.stat-num{font-size:34px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;color:#fff}
.stat-label{font-size:13px;color:rgba(255,255,255,.66);margin-top:4px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{margin-bottom:12px}
.sec-head p{color:var(--ink2);font-size:15.5px;line-height:1.8}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--accent);font-weight:700;margin-bottom:12px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--pill);
  background:rgba(20,98,79,.1);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.link-arrow{position:relative;display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--accent)}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--accent);transition:width .24s var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover::after{width:100%}
.link-arrow span{transition:transform .24s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 交替图文 ---------- */
.alt-list{display:block}
.alt-row{
  display:grid;grid-template-columns:55fr 45fr;gap:44px;align-items:center;
  padding-bottom:64px;
}
.alt-row + .alt-row{border-top:1px solid var(--line);padding-top:64px}
.alt-media{position:relative;overflow:hidden;border-radius:var(--r);box-shadow:var(--sh1);background:var(--soft)}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r);transition:transform .35s var(--ease)}
.alt-row:hover .alt-media img{transform:scale(1.03)}
.alt-media .media-badge{
  position:absolute;left:16px;bottom:16px;height:26px;display:inline-flex;align-items:center;
  padding:0 12px;border-radius:var(--pill);background:rgba(18,33,28,.82);color:#fff;font-size:12px;letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.alt-row.rev .alt-media{order:2}
.alt-row.rev .alt-body{order:1}
.alt-body h3{margin:14px 0 12px}
.alt-body p{color:var(--ink2);font-size:15.5px;line-height:1.85;margin-bottom:16px}
.alt-points{list-style:none;padding:0;margin:0 0 18px}
.alt-points li{position:relative;padding-left:16px;font-size:14.5px;color:var(--ink2);line-height:1.9}
.alt-points li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--accent)}

/* ---------- 更新节奏 ---------- */
.updates{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.upd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.upd-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--sh1);transition:box-shadow .24s var(--ease),transform .24s var(--ease)}
.upd-card:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.upd-date{font-size:13px;color:var(--ink3);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.upd-card h3{font-size:17px;margin:12px 0 10px}
.upd-card p{font-size:14.5px;color:var(--ink2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh1);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:14px 22px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;flex:none;width:20px;height:20px;transition:transform .24s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--accent);border-radius:2px}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 22px 24px;font-size:15px;line-height:1.85;color:var(--ink2)}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--dark);color:#fff;padding:80px 0;position:relative}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(80% 120% at 85% 0%,rgba(20,98,79,.4),transparent 60%);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.cta-band h2{color:#fff;max-width:560px}
.cta-band p{color:rgba(255,255,255,.74);margin-top:14px;font-size:15.5px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;border-radius:var(--pill);
  background:var(--brand);color:#fff;font-weight:600;font-size:15px;border:1px solid transparent;
  transition:background-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary:hover{background:var(--brand-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-primary:active{transform:none}
.btn-light{display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;border-radius:var(--pill);background:#fff;color:var(--dark);font-weight:600;font-size:15px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease)}
.btn-light:hover{color:var(--dark);background:#F1EFE9;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;padding:13px 26px;border-radius:var(--pill);background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;font-weight:600;font-size:15px;transition:background-color .2s var(--ease),border-color .2s var(--ease)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.chip-row{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12)}
.chip-row .chip-label{font-size:13px;color:rgba(255,255,255,.55);align-self:center;letter-spacing:.08em}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.82);font-size:14px;transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease)}
.chip:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
.chip.current{background:#fff;border-color:#fff;color:var(--dark);font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:48px}
.footer-col .brand{color:#fff;margin-bottom:16px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.08em;margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;position:relative}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:300px}
.muted-line{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.58)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--pill);
  background:transparent;border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.8);font-size:13px;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.to-top:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}

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

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .alt-row{gap:32px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .section.tight{padding:56px 0}
  .nav-links{
    position:fixed;inset:0;z-index:1040;display:flex;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);padding:104px 24px 32px;margin:0;
    transform:translateX(100%);transition:transform .28s var(--ease);
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{height:56px;display:flex;align-items:center;padding:0 4px;border-radius:0;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink)}
  .nav-links a:hover{background:transparent}
  .nav-links a.active::after{display:none}
  .nav-burger{display:inline-flex}
  .nav-cta{display:none}
  .alt-row{grid-template-columns:1fr;gap:22px;padding-bottom:48px}
  .alt-row + .alt-row{padding-top:48px}
  .alt-row.rev .alt-media{order:0}
  .alt-row.rev .alt-body{order:0}
  .upd-grid{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .page-hero{padding:132px 0 52px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:575.98px){
  .container-x{padding:0 18px}
  .section{padding:56px 0}
  .section.tight{padding:48px 0}
  .page-hero{padding:120px 0 44px}
  h1{font-size:30px}
  .hero-sub{font-size:15px}
  .stat-num{font-size:28px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px}
  .upd-grid{grid-template-columns:1fr}
  .faq-q{min-height:56px;font-size:16px;padding:12px 18px}
  .faq-a p{padding:0 18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:56px 0}
  .btn-primary,.btn-light,.btn-ghost{width:100%}
  .cta-actions{width:100%}
  .brand span:last-child{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .alt-row:hover .alt-media img{transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#17201C;
  --ink-2:#5D6660;
  --ink-3:#8E948E;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --soft:#EFEDE6;
  --brand:#14624F;
  --brand-d:#0E4638;
  --accent:#C9551F;
  --dark:#12211C;
  --line:#E4E2DA;
  --focus:rgba(20,98,79,.28);
  --r:6px;
  --r-sm:6px;
  --pill:999px;
  --sh1:0 1px 2px rgba(18,33,28,.05);
  --sh2:0 10px 30px -18px rgba(18,33,28,.35);
  --sh-nav:0 8px 28px -14px rgba(18,33,28,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec:96px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r)}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

.container-x{max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-x{max-width:1320px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--pill);padding:14px 28px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;min-height:44px;line-height:1.2;
  transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(20,98,79,.08);color:var(--brand-d);border-color:var(--brand-d)}
.btn-light{background:#fff;color:var(--dark)}
.btn-light:hover{background:#fff;color:var(--dark);transform:translateY(-1px);box-shadow:0 12px 28px -18px rgba(0,0,0,.6)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}

.link-arrow{position:relative;display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:15px}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--accent);transition:width .24s var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover::after{width:100%}

/* ---------- 导航 ---------- */
.site-nav{position:fixed;left:0;right:0;top:16px;z-index:80;transition:top .24s var(--ease)}
.site-nav.is-scrolled{top:10px}
.nav-shell{
  max-width:1200px;margin:0 auto;padding:8px 10px 8px 20px;
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:var(--pill);
  box-shadow:var(--sh-nav);
  transition:padding .24s var(--ease);
}
.site-nav.is-scrolled .nav-shell{padding:5px 8px 5px 18px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:.01em;white-space:nowrap}
.brand-mark{
  width:22px;height:22px;flex:none;border-radius:7px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-d) 100%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:6px;top:6px;width:10px;height:10px;border-radius:50%;
  border:2px solid rgba(255,255,255,.9);border-right-color:transparent;transform:rotate(-30deg);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--pill);font-size:14.5px;color:var(--ink-2);font-weight:500;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-links a:hover{color:var(--brand);background:rgba(20,98,79,.06)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;width:16px;height:2px;border-radius:2px;
  background:var(--accent);transform:translateX(-50%);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 20px;
  border-radius:var(--pill);background:var(--brand);color:#fff;font-size:14.5px;font-weight:600;
  white-space:nowrap;transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.nav-cta:hover{background:var(--brand-d);color:#fff;transform:translateY(-1px)}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;position:relative;flex:none;cursor:pointer;
}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{
  position:absolute;left:50%;width:16px;height:2px;background:var(--ink);border-radius:2px;
  transform:translateX(-50%);transition:transform .24s var(--ease),opacity .2s var(--ease);
}
.nav-burger span{top:21px}
.nav-burger span::before{content:"";top:-5px;left:0;transform:none}
.nav-burger span::after{content:"";top:5px;left:0;transform:none}
.nav-shell.open .nav-burger span{background:transparent}
.nav-shell.open .nav-burger span::before{transform:rotate(45deg);top:0}
.nav-shell.open .nav-burger span::after{transform:rotate(-45deg);top:0}

@media (max-width:991.98px){
  .nav-shell{padding:8px 8px 8px 16px}
  .nav-burger{display:block;margin-left:auto}
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-shell.open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:fixed;left:16px;right:16px;top:84px;bottom:96px;overflow:auto;
    background:var(--paper);border:1px solid var(--line);border-radius:18px;
    padding:8px 12px;box-shadow:var(--sh2);z-index:90;
  }
  .nav-shell.open .nav-links a{
    height:56px;padding:0 12px;border-radius:0;border-bottom:1px solid var(--line);
    font-size:16px;justify-content:flex-start;
  }
  .nav-shell.open .nav-links a:last-child{border-bottom:0}
  .nav-shell.open .nav-links a.active::after{display:none}
  .nav-shell.open .nav-links a.active{background:rgba(20,98,79,.07);border-radius:10px}
  .nav-shell.open .nav-cta{
    display:inline-flex;position:fixed;left:16px;right:16px;bottom:24px;height:52px;
    justify-content:center;z-index:91;
  }
}

/* ---------- 通用区块 ---------- */
.section{padding:var(--sec) 0}
@media (max-width:1199.98px){.section{padding:72px 0}}
@media (max-width:767.98px){.section{padding:56px 0}}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--accent);
  font-weight:700;text-transform:uppercase;margin-bottom:12px;
}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(22px,2.8vw,34px);line-height:1.28;font-weight:700;letter-spacing:-.01em}
h3{font-size:18px;line-height:1.4;font-weight:600}
.lead{font-size:16px;line-height:1.85;color:var(--ink-2);margin-top:16px}
.muted{color:var(--ink-2)}
.badge-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--pill);
  background:rgba(20,98,79,.1);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.02em;
}

/* ---------- Hero ---------- */
.page-hero{position:relative;padding:152px 0 72px;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.16;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(247,246,242,.55) 0%,rgba(247,246,242,.92) 62%,var(--paper) 100%);
}
.page-hero .container-x{position:relative;z-index:2}
.hero-grid{display:grid;gap:40px;align-items:center}
@media (min-width:992px){
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}
}
.hero-copy{max-width:620px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:20px}
.crumb a{color:var(--ink-3);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C9C6BC}
.crumb .now{color:var(--ink-2);font-weight:600}
.hero-sub{font-size:15px;color:var(--ink-2);margin-top:16px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
  margin-top:44px;padding-top:28px;border-top:1px solid var(--line);
}
.hero-stats .stat-num{font-size:34px;font-weight:800;line-height:1.1;color:var(--brand);font-variant-numeric:tabular-nums}
.hero-stats .stat-label{font-size:13px;color:var(--ink-2);margin-top:6px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r);box-shadow:var(--sh2);
}
.hero-media .float-badge{
  position:absolute;left:-12px;bottom:18px;display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;font-size:13px;font-weight:600;
  padding:8px 16px;border-radius:var(--pill);box-shadow:0 10px 24px -16px rgba(201,85,31,.9);
}
@media (max-width:991.98px){
  .page-hero{padding:124px 0 56px}
  .hero-media{margin-top:8px}
  .hero-media .float-badge{left:12px}
}
@media (max-width:575.98px){
  .hero-stats{grid-template-columns:1fr 1fr;gap:18px;margin-top:32px}
  .hero-stats .stat-num{font-size:28px}
  h1{font-size:30px}
}

/* ---------- 卡片网格 + 侧栏 ---------- */
.c3-wrap{display:grid;gap:40px;align-items:start}
@media (min-width:992px){.c3-wrap{grid-template-columns:minmax(0,1fr) 300px;gap:44px}}
.c3-grid{display:grid;gap:20px}
@media (min-width:768px){.c3-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.c3-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.c3-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:24px;box-shadow:var(--sh1);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.c3-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:#D6D3C9}
.c3-card h3{
  font-size:17px;margin-top:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.c3-card:hover h3{color:var(--brand)}
.c3-card p{
  font-size:14px;line-height:1.8;color:var(--ink-2);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.c3-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.c3-foot .dot{width:3px;height:3px;border-radius:50%;background:#C9C6BC}
.c3-foot .go{
  margin-left:auto;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:4px;
  transition:transform .22s var(--ease);
}
.c3-card:hover .c3-foot .go{transform:translateX(4px)}

/* ---------- 侧栏 ---------- */
.c3-side{display:grid;gap:20px}
@media (min-width:992px){
  .c3-side{position:sticky;top:96px}
}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh1)}
.side-card h3{font-size:15px;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand)}
.side-links li+li{margin-top:2px}
.side-links a{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:0 10px;border-radius:var(--r-sm);
  font-size:14.5px;color:var(--ink-2);transition:background-color .2s var(--ease),color .2s var(--ease);
}
.side-links a:hover{background:var(--soft);color:var(--brand)}
.side-links .idx{
  width:20px;font-size:12px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;flex:none;
}
.mini-faq details{border-top:1px solid var(--line);padding:12px 0}
.mini-faq details:first-of-type{border-top:0;padding-top:0}
.mini-faq summary{
  list-style:none;cursor:pointer;font-size:14.5px;font-weight:600;color:var(--ink);
  display:flex;align-items:flex-start;gap:8px;line-height:1.6;
}
.mini-faq summary::-webkit-details-marker{display:none}
.mini-faq summary::before{content:"+";color:var(--accent);font-weight:700;line-height:1.4}
.mini-faq details[open] summary::before{content:"－"}
.mini-faq .answer{font-size:13.5px;line-height:1.8;color:var(--ink-2);margin-top:8px;padding-left:16px}
.side-cta{
  background:var(--dark);color:#fff;border-radius:var(--r);padding:26px;
  position:relative;overflow:hidden;
}
.side-cta::before{
  content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,98,79,.55) 0%,rgba(18,33,28,0) 70%);
}
.side-cta h3{color:#fff;font-size:17px;font-weight:700;position:relative}
.side-cta p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.72);margin-top:10px;position:relative}
.side-cta .btn{margin-top:18px;position:relative}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;gap:0;border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:72px minmax(0,1fr);gap:20px;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.step .no{
  font-size:34px;font-weight:800;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px}
.step p{font-size:15px;color:var(--ink-2);margin-top:8px;max-width:640px}
@media (min-width:992px){
  .steps{grid-template-columns:1fr 1fr;column-gap:56px}
  .step:nth-child(2){transform:translateY(0)}
}
@media (max-width:575.98px){
  .step{grid-template-columns:52px minmax(0,1fr);gap:14px;padding:22px 0}
  .step .no{font-size:26px}
}

/* ---------- 数据条 ---------- */
.metric-band{
  background:var(--soft);border-radius:var(--r);padding:36px 28px;
  display:grid;gap:26px;grid-template-columns:repeat(2,minmax(0,1fr));
}
@media (min-width:992px){.metric-band{grid-template-columns:repeat(4,minmax(0,1fr));padding:44px 40px}}
.metric .m-num{font-size:32px;font-weight:800;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums}
.metric .m-label{font-size:13.5px;color:var(--ink-2);margin-top:8px}

/* ---------- FAQ ---------- */
.acc{max-width:880px}
.acc-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .22s var(--ease)
}
.acc-item:hover{box-shadow:var(--sh1)}
.acc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:10px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.acc-ico{position:relative;width:16px;height:16px;flex:none;transition:transform .26s var(--ease)}
.acc-ico::before,.acc-ico::after{content:"";position:absolute;background:var(--accent);border-radius:2px}
.acc-ico::before{left:0;top:7px;width:16px;height:2px}
.acc-ico::after{left:7px;top:0;width:2px;height:16px;transition:opacity .2s var(--ease),transform .26s var(--ease)}
.acc-item.open .acc-ico{transform:rotate(45deg)}
.acc-item.open .acc-ico::after{opacity:0}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.acc-inner{padding:0 24px 24px;font-size:15px;line-height:1.85;color:var(--ink-2)}
@media (max-width:575.98px){.acc-head{min-height:56px;padding:8px 18px;font-size:16px}.acc-inner{padding:0 18px 20px}}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--dark);color:#fff;border-radius:0;padding:72px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,98,79,.5) 0%,rgba(18,33,28,0) 70%);
}
.cta-band .container-x{position:relative;z-index:2}
.cta-grid{display:grid;gap:40px;align-items:start}
@media (min-width:992px){.cta-grid{grid-template-columns:45% 55%;gap:56px}}
.cta-copy h2{color:#fff}
.cta-copy p{color:rgba(255,255,255,.74);font-size:15.5px;margin-top:16px;max-width:440px}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.82)}
.cta-points li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;margin-top:10px;
}
.signup-form{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:28px}
.field{display:block;margin-bottom:16px}
.field-label{display:block;font-size:14px;font-weight:600;color:rgba(255,255,255,.9);margin-bottom:8px}
.field-label i{color:var(--accent);font-style:normal;margin-left:2px}
.field input[type="text"],.field input[type="tel"],.field textarea,.field select{
  width:100%;min-height:46px;padding:11px 14px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);background:#fff;color:var(--ink);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--focus)}
.field input::placeholder,.field textarea::placeholder{color:#9AA09A}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative;display:inline-flex;cursor:pointer}
.chip input{position:absolute;opacity:0;inset:0;cursor:pointer}
.chip span{
  display:inline-flex;align-items:center;min-height:38px;padding:0 18px;border-radius:var(--pill);
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.8);font-size:14px;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip input:checked+span{background:#fff;color:var(--dark);border-color:#fff;font-weight:600}
.chip input:focus-visible+span{box-shadow:0 0 0 3px rgba(20,98,79,.5)}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:rgba(255,255,255,.68);margin:6px 0 18px}
.consent input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand);flex:none}
.form-note{font-size:12px;color:rgba(255,255,255,.55);margin-top:12px;line-height:1.7}
.form-ok{
  display:none;margin-top:14px;font-size:14px;color:#fff;background:rgba(20,98,79,.45);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-sm);padding:10px 14px;
}
.form-ok.show{display:block}

/* ---------- 互链 ---------- */
.cat-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cat-pills a{
  display:inline-flex;align-items:center;min-height:40px;padding:0 18px;border-radius:var(--pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;
  transition:all .22s var(--ease);
}
.cat-pills a:hover{border-color:var(--brand);color:var(--brand);background:rgba(20,98,79,.06);transform:translateY(-1px)}
.cat-pills a.current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.back-home{margin-top:26px;display:inline-flex}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:48px}}
.site-footer .brand{color:#fff}
.footer-desc{font-size:13.5px;line-height:1.85;margin-top:14px;max-width:300px;color:rgba(255,255,255,.62)}
.site-footer h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.site-footer ul li+li{margin-top:2px}
.site-footer ul a{
  position:relative;display:inline-flex;align-items:center;min-height:36px;font-size:14px;
  color:rgba(255,255,255,.72);transition:color .2s var(--ease);
}
.site-footer ul a::after{
  content:"";position:absolute;left:0;bottom:6px;height:1px;width:0;background:#fff;
  transition:width .24s var(--ease);
}
.site-footer ul a:hover{color:#fff}
.site-footer ul a:hover::after{width:100%}
.muted-line{font-size:13px;line-height:1.9;color:rgba(255,255,255,.6)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 18px;
  border-radius:var(--pill);border:1px solid rgba(255,255,255,.22);background:transparent;
  color:rgba(255,255,255,.85);font-size:13px;cursor:pointer;transition:all .22s var(--ease);
}
.to-top:hover{background:#fff;color:var(--dark);border-color:#fff}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
    --brand:#14624F;
    --brand-d:#0E4638;
    --accent:#C9551F;
    --dark:#12211C;
    --paper:#F7F6F2;
    --card:#FFFFFF;
    --soft:#EFEDE6;
    --ink:#17201C;
    --sub:#5D6660;
    --weak:#8E948E;
    --line:#E4E2DA;
    --focus:rgba(20,98,79,.28);
    --r-s:6px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(18,33,28,.05);
    --sh-2:0 10px 30px -18px rgba(18,33,28,.35);
    --sh-nav:0 8px 28px -14px rgba(18,33,28,.28);
    --t:200ms cubic-bezier(.2,.7,.2,1);
    --font:-apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  }
  *,*::before,*::after{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; scroll-padding-top:116px; }
  body{
    margin:0; background:var(--paper); color:var(--ink);
    font-family:var(--font); font-size:16px; line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{ max-width:100%; display:block; }
  a{ color:var(--brand); text-decoration:none; }
  a:hover{ color:var(--brand-d); }
  h1,h2,h3,h4{ margin:0; line-height:1.3; }
  p{ margin:0 0 1em; }
  ul{ margin:0; padding:0; list-style:none; }
  button{ font-family:inherit; }
  :focus-visible{ outline:2px solid var(--focus); outline-offset:2px; }
  .container-x{ width:100%; max-width:1200px; margin:0 auto; padding:0 24px; }
  @media (min-width:1400px){ .container-x{ max-width:1320px; } }
  .sec{ padding:96px 0; }
  @media (max-width:1199.98px){ .sec{ padding:72px 0; } }
  @media (max-width:767.98px){ .sec{ padding:56px 0; } }

  /* ---------- 悬浮胶囊导航 ---------- */
  .site-nav{
    position:fixed; left:0; right:0; top:16px; z-index:900;
    display:flex; justify-content:center; padding:0 16px;
    transition:top var(--t);
  }
  .nav-shell{
    position:relative; z-index:30;
    width:100%; max-width:1200px;
    display:flex; align-items:center; gap:24px;
    padding:10px 12px 10px 20px;
    background:rgba(255,255,255,.86);
    -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px);
    border:1px solid var(--line); border-radius:var(--r-pill);
    box-shadow:var(--sh-nav);
    transition:padding var(--t), box-shadow var(--t), background var(--t);
  }
  .site-nav.is-scrolled{ top:10px; }
  .site-nav.is-scrolled .nav-shell{ padding:6px 10px 6px 18px; box-shadow:0 10px 26px -16px rgba(18,33,28,.4); }
  .brand{
    display:inline-flex; align-items:center; gap:10px;
    font-weight:800; font-size:16px; color:var(--ink); letter-spacing:.01em;
    white-space:nowrap;
  }
  .brand:hover{ color:var(--brand); }
  .brand-mark{
    width:22px; height:22px; border-radius:7px; flex:0 0 auto;
    background:linear-gradient(140deg,var(--brand),var(--brand-d));
    position:relative;
  }
  .brand-mark::after{
    content:""; position:absolute; left:6px; top:6px; width:6px; height:6px;
    border-radius:2px; background:var(--accent);
  }
  .nav-links{ display:flex; align-items:center; gap:4px; margin-left:auto; }
  .nav-links a{
    display:inline-flex; align-items:center; height:40px; padding:0 14px;
    border-radius:var(--r-pill); color:var(--sub); font-size:15px; font-weight:500;
    position:relative; transition:color var(--t), background var(--t);
  }
  .nav-links a:hover{ color:var(--ink); background:rgba(20,98,79,.07); }
  .nav-links a.active{ color:var(--brand); font-weight:700; }
  .nav-links a.active::after{
    content:""; position:absolute; left:14px; right:14px; bottom:4px;
    height:2px; border-radius:2px; background:var(--accent);
  }
  .nav-cta{
    display:inline-flex; align-items:center; height:42px; padding:0 22px;
    border-radius:var(--r-pill); background:var(--brand); color:#fff;
    font-size:15px; font-weight:600; white-space:nowrap;
    transition:background var(--t), transform var(--t), box-shadow var(--t);
  }
  .nav-cta:hover{ background:var(--brand-d); color:#fff; transform:translateY(-1px); box-shadow:var(--sh-2); }
  .nav-burger{
    display:none; width:44px; height:44px; margin-left:auto;
    align-items:center; justify-content:center;
    background:transparent; border:1px solid var(--line); border-radius:50%;
    cursor:pointer; position:relative;
  }
  .nav-burger span, .nav-burger span::before, .nav-burger span::after{
    content:""; display:block; width:18px; height:2px; border-radius:2px;
    background:var(--ink); transition:transform var(--t), opacity var(--t);
  }
  .nav-burger span::before{ transform:translateY(-6px); }
  .nav-burger span::after{ transform:translateY(4px); }
  .site-nav.open .nav-burger span{ background:transparent; }
  .site-nav.open .nav-burger span::before{ transform:rotate(45deg); }
  .site-nav.open .nav-burger span::after{ transform:rotate(-45deg) translateY(-2px); }

  @media (max-width:991.98px){
    .nav-burger{ display:inline-flex; }
    .nav-cta{ display:none; }
    .nav-shell{ gap:12px; }
    .nav-links{
      position:fixed; inset:0; z-index:20; margin:0;
      flex-direction:column; align-items:stretch; gap:0;
      background:var(--paper); padding:104px 24px 140px;
      opacity:0; visibility:hidden; transform:translateY(-10px);
      transition:opacity var(--t), transform var(--t), visibility var(--t);
      overflow-y:auto;
    }
    .site-nav.open .nav-links{ opacity:1; visibility:visible; transform:none; }
    .nav-links a{
      height:56px; padding:0; border-radius:0; font-size:17px;
      border-bottom:1px solid var(--line);
    }
    .nav-links a.active::after{ left:0; right:auto; width:28px; bottom:0; }
    .nav-links::after{
      content:"提交信息"; display:flex; align-items:center; justify-content:center;
      height:52px; margin-top:32px; border-radius:var(--r-pill);
      background:var(--brand); color:#fff; font-weight:600;
    }
  }

  /* ---------- 按钮 / 标签 ---------- */
  .btn-main{
    display:inline-flex; align-items:center; justify-content:center;
    padding:14px 28px; border-radius:var(--r-pill);
    background:var(--brand); color:#fff; font-weight:600; font-size:16px;
    border:1px solid var(--brand);
    transition:background var(--t), transform var(--t), box-shadow var(--t);
  }
  .btn-main:hover{ background:var(--brand-d); border-color:var(--brand-d); color:#fff; transform:translateY(-1px); box-shadow:var(--sh-2); }
  .btn-main:active{ transform:translateY(0); box-shadow:none; }
  .btn-ghost{
    display:inline-flex; align-items:center; justify-content:center;
    padding:13px 26px; border-radius:var(--r-pill);
    background:transparent; color:var(--brand); font-weight:600;
    border:1px solid var(--brand);
    transition:background var(--t), transform var(--t);
  }
  .btn-ghost:hover{ background:rgba(20,98,79,.08); color:var(--brand-d); transform:translateY(-1px); }
  .btn-light{
    display:inline-flex; align-items:center; justify-content:center;
    padding:14px 28px; border-radius:var(--r-pill);
    background:#fff; color:var(--dark); font-weight:600;
    border:1px solid #fff;
    transition:transform var(--t), box-shadow var(--t);
  }
  .btn-light:hover{ color:var(--dark); transform:translateY(-1px); box-shadow:0 12px 26px -16px rgba(0,0,0,.5); }
  .link-arrow{
    position:relative; display:inline-flex; align-items:center; gap:6px;
    color:var(--accent); font-weight:600;
  }
  .link-arrow::after{
    content:""; position:absolute; left:0; bottom:-3px; width:100%; height:1px;
    background:currentColor; transform:scaleX(0); transform-origin:left;
    transition:transform 240ms cubic-bezier(.2,.7,.2,1);
  }
  .link-arrow:hover::after{ transform:scaleX(1); }
  .link-arrow.light{ color:#F1C9AE; }
  .link-arrow.light:hover{ color:#fff; }
  .chip{
    display:inline-flex; align-items:center; height:24px; padding:0 12px;
    border-radius:var(--r-pill); background:rgba(20,98,79,.09);
    color:var(--brand); font-size:12px; font-weight:600; letter-spacing:.04em;
  }
  .chip-accent{ background:rgba(201,85,31,.12); color:var(--accent); }
  .eyebrow{
    display:inline-block; font-size:12px; letter-spacing:.12em; font-weight:700;
    color:var(--accent); text-transform:uppercase; margin-bottom:14px;
  }
  .eyebrow.light{ color:#E9A97F; }
  .sec-title{ font-size:clamp(22px,2.8vw,34px); font-weight:700; line-height:1.28; }
  .sec-lead{ color:var(--sub); font-size:16px; max-width:720px; margin-top:14px; }

  /* ---------- 内页首屏 ---------- */
  .page-hero{
    position:relative; max-width:1200px; width:calc(100% - 32px);
    margin:104px auto 0; border-radius:var(--r-s); overflow:hidden;
    background:linear-gradient(115deg, rgba(18,33,28,.9) 0%, rgba(18,33,28,.72) 52%, rgba(18,33,28,.5) 100%),
               url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    color:#fff;
  }
  @media (min-width:1400px){ .page-hero{ max-width:1320px; } }
  .hero-inner{ padding:64px 48px 56px; max-width:820px; }
  .crumbs{ display:flex; align-items:center; gap:8px; font-size:14px; color:rgba(255,255,255,.66); margin-bottom:22px; flex-wrap:wrap; }
  .crumbs a{ color:rgba(255,255,255,.72); }
  .crumbs a:hover{ color:#fff; }
  .crumbs .cur{ color:#fff; }
  .page-hero h1{
    font-size:clamp(30px,4.4vw,50px); font-weight:800; line-height:1.18;
    letter-spacing:.01em;
  }
  .hero-sub{ margin-top:16px; font-size:17px; line-height:1.8; color:rgba(255,255,255,.8); max-width:620px; }
  .hero-actions{ display:flex; align-items:center; gap:22px; flex-wrap:wrap; margin-top:32px; }
  .hero-badge{
    display:inline-flex; align-items:center; gap:10px; margin-top:36px;
    padding:8px 16px; border-radius:var(--r-pill);
    border:1px solid rgba(255,255,255,.24); background:rgba(255,255,255,.06);
    font-size:13px; color:rgba(255,255,255,.86);
  }
  .hero-badge b{ color:#fff; font-weight:700; }
  @media (max-width:767.98px){
    .page-hero{ margin-top:92px; }
    .hero-inner{ padding:44px 24px 40px; }
  }

  /* ---------- 数据条 ---------- */
  .stats{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--card); }
  .stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); }
  .stat{ padding:34px 24px; border-left:1px solid var(--line); }
  .stat:first-child{ border-left:0; padding-left:0; }
  .stat-num{ font-size:34px; font-weight:800; letter-spacing:-.01em; font-variant-numeric:tabular-nums; line-height:1.1; }
  .stat-num span{ font-size:15px; font-weight:600; color:var(--sub); margin-left:4px; }
  .stat-label{ font-size:13px; color:var(--sub); margin-top:8px; }
  @media (max-width:991.98px){
    .stats-grid{ grid-template-columns:repeat(2,1fr); }
    .stat{ border-left:0; border-top:1px solid var(--line); padding:26px 0; }
    .stat:nth-child(-n+2){ border-top:0; }
    .stat:nth-child(even){ padding-left:24px; border-left:1px solid var(--line); }
  }
  @media (max-width:575.98px){
    .stats-grid{ grid-template-columns:1fr; }
    .stat:nth-child(even){ padding-left:0; border-left:0; }
    .stat:nth-child(2){ border-top:1px solid var(--line); }
  }

  /* ---------- 时间轴 ---------- */
  .timeline{ position:relative; margin-top:56px; }
  .timeline::before{
    content:""; position:absolute; top:8px; bottom:8px; left:50%;
    width:1px; background:var(--line); transform:translateX(-50%);
  }
  .tl-item{
    position:relative; display:grid; grid-template-columns:1fr 96px 1fr;
    align-items:flex-start; padding-bottom:48px;
  }
  .tl-item:last-child{ padding-bottom:0; }
  .tl-node{
    grid-column:2; grid-row:1; justify-self:center; position:relative; z-index:1;
    width:56px; height:56px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    background:var(--accent); color:#fff; font-weight:800; font-size:17px;
    font-variant-numeric:tabular-nums;
    border:5px solid var(--paper);
  }
  .tl-body{
    grid-row:1; background:var(--card); border:1px solid var(--line);
    border-radius:var(--r-s); padding:26px 28px; box-shadow:var(--sh-1);
    transition:box-shadow var(--t), transform var(--t), border-color var(--t);
  }
  .tl-body:hover{ box-shadow:var(--sh-2); transform:translateY(-2px); border-color:#D6D3C8; }
  .tl-item:nth-child(odd) .tl-body{ grid-column:1; text-align:right; }
  .tl-item:nth-child(even) .tl-body{ grid-column:3; }
  .tl-body h3{ font-size:19px; font-weight:600; margin:12px 0 10px; }
  .tl-body p{ font-size:15px; line-height:1.8; color:var(--sub); margin:0 0 16px; }
  .tl-chips{ display:flex; flex-wrap:wrap; gap:8px; }
  .tl-item:nth-child(odd) .tl-chips{ justify-content:flex-end; }
  .tl-body img{
    width:100%; height:168px; object-fit:cover; border-radius:var(--r-s);
    margin-top:18px; background:var(--soft);
  }
  @media (max-width:991.98px){
    .timeline::before{ left:22px; transform:none; }
    .tl-item{ grid-template-columns:44px 1fr; gap:18px; padding-bottom:36px; }
    .tl-node{
      grid-column:1; justify-self:start; width:44px; height:44px;
      font-size:15px; border-width:4px;
    }
    .tl-item:nth-child(odd) .tl-body,
    .tl-item:nth-child(even) .tl-body{ grid-column:2; text-align:left; }
    .tl-item:nth-child(odd) .tl-chips{ justify-content:flex-start; }
    .tl-body{ padding:22px 20px; }
  }

  /* ---------- 适用场景清单 ---------- */
  .scene-list{ margin-top:40px; border-top:1px solid var(--line); }
  .scene-row{
    display:grid; grid-template-columns:220px 1fr; gap:32px;
    padding:28px 0; border-bottom:1px solid var(--line);
    transition:background var(--t), padding-left var(--t);
  }
  .scene-row:hover{ background:rgba(255,255,255,.7); padding-left:12px; }
  .scene-name{ font-size:18px; font-weight:600; display:flex; align-items:center; gap:10px; }
  .scene-name i{
    width:8px; height:8px; border-radius:50%; background:var(--accent);
    display:inline-block; flex:0 0 auto; font-style:normal;
  }
  .scene-text{ color:var(--sub); font-size:15px; line-height:1.8; }
  @media (max-width:767.98px){
    .scene-row{ grid-template-columns:1fr; gap:10px; padding:22px 0; }
    .scene-row:hover{ padding-left:0; }
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{ max-width:840px; margin:48px auto 0; }
  .accordion{ --bs-accordion-border-width:0; --bs-accordion-bg:transparent; }
  .accordion-item{
    background:var(--card); border:1px solid var(--line) !important;
    border-radius:var(--r-s) !important; margin-bottom:12px; overflow:hidden;
    box-shadow:var(--sh-1);
  }
  .accordion-button{
    background:var(--card); color:var(--ink); font-size:17px; font-weight:600;
    padding:20px 24px; line-height:1.5; box-shadow:none !important;
    min-height:60px;
  }
  .accordion-button:hover{ color:var(--brand); }
  .accordion-button:not(.collapsed){ color:var(--brand); background:var(--card); }
  .accordion-button::after{
    content:"+"; background-image:none !important;
    width:24px; height:24px; display:flex; align-items:center; justify-content:center;
    font-size:22px; font-weight:600; color:var(--accent);
    transition:transform var(--t);
  }
  .accordion-button:not(.collapsed)::after{ transform:rotate(45deg); }
  .accordion-body{
    padding:0 24px 24px; font-size:15px; line-height:1.85; color:var(--sub);
  }
  @media (max-width:767.98px){
    .accordion-button{ min-height:56px; padding:16px 18px; font-size:16px; }
    .accordion-body{ padding:0 18px 20px; }
  }

  /* ---------- CTA 区 ---------- */
  .cta-band{
    background:var(--dark); color:#fff; padding:80px 0; position:relative; overflow:hidden;
  }
  .cta-band::before{
    content:""; position:absolute; right:-120px; top:-140px; width:520px; height:520px;
    background:radial-gradient(circle, rgba(201,85,31,.22), rgba(18,33,28,0) 68%);
    pointer-events:none;
  }
  .cta-grid{
    position:relative; display:grid; grid-template-columns:45% 55%; gap:56px; align-items:start;
  }
  .cta-copy h2{ font-size:clamp(22px,2.8vw,32px); font-weight:700; color:#fff; }
  .cta-copy p{ color:rgba(255,255,255,.75); font-size:15px; margin-top:16px; }
  .cta-points{ margin-top:22px; display:grid; gap:12px; }
  .cta-points li{
    position:relative; padding-left:22px; font-size:15px; color:rgba(255,255,255,.86);
  }
  .cta-points li::before{
    content:""; position:absolute; left:0; top:11px; width:8px; height:8px;
    border-radius:50%; background:var(--accent);
  }
  .cta-form{ background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.12); padding:32px; }
  .field{ margin-bottom:16px; }
  .field label{ display:block; font-size:14px; font-weight:600; margin-bottom:8px; color:rgba(255,255,255,.9); }
  .field .req{ color:var(--accent); }
  .field input[type="text"],
  .field input[type="tel"],
  .field textarea{
    width:100%; padding:12px 14px; min-height:46px;
    background:rgba(255,255,255,.06); color:#fff;
    border:1px solid rgba(255,255,255,.18); border-radius:var(--r-s);
    font-size:15px; font-family:inherit; line-height:1.6;
    transition:border-color var(--t), box-shadow var(--t), background var(--t);
  }
  .field input::placeholder, .field textarea::placeholder{ color:rgba(255,255,255,.42); }
  .field input:focus, .field textarea:focus{
    outline:none; border-color:#4FA98C; box-shadow:0 0 0 3px rgba(79,169,140,.28);
    background:rgba(255,255,255,.1);
  }
  .field textarea{ min-height:88px; resize:vertical; }
  .pill-group{ display:flex; flex-wrap:wrap; gap:10px; }
  .pill-group input{ position:absolute; opacity:0; width:0; height:0; }
  .pill-group label{
    margin:0; padding:9px 18px; border-radius:var(--r-pill); cursor:pointer;
    border:1px solid rgba(255,255,255,.24); font-size:14px; font-weight:500;
    color:rgba(255,255,255,.82); transition:all var(--t);
  }
  .pill-group label:hover{ border-color:rgba(255,255,255,.5); color:#fff; }
  .pill-group input:checked + label{
    background:#fff; color:var(--dark); border-color:#fff; font-weight:600;
  }
  .pill-group input:focus-visible + label{ box-shadow:0 0 0 3px rgba(79,169,140,.35); }
  .consent{ display:flex; gap:10px; align-items:flex-start; font-size:12px; color:rgba(255,255,255,.66); margin:6px 0 18px; }
  .consent input{ margin-top:4px; accent-color:var(--accent); width:16px; height:16px; }
  .form-submit{ width:100%; border:0; cursor:pointer; }
  .form-note{ margin-top:12px; font-size:12px; color:rgba(255,255,255,.6); }
  .form-msg{
    display:none; margin-top:16px; padding:12px 16px; border-radius:var(--r-s);
    background:rgba(79,169,140,.16); border:1px solid rgba(79,169,140,.4);
    color:#D8F0E7; font-size:14px;
  }
  .form-msg.show{ display:block; }
  @media (max-width:991.98px){
    .cta-grid{ grid-template-columns:1fr; gap:36px; }
    .cta-form{ padding:24px; }
  }

  /* ---------- 互链胶囊 ---------- */
  .cross{ background:var(--soft); padding:64px 0; }
  .cross h2{ font-size:22px; font-weight:700; }
  .cross p{ color:var(--sub); font-size:15px; margin-top:10px; }
  .pill-links{ display:flex; flex-wrap:wrap; gap:12px; margin-top:26px; }
  .pill-links a{
    display:inline-flex; align-items:center; height:44px; padding:0 22px;
    background:var(--card); border:1px solid var(--line); border-radius:var(--r-pill);
    color:var(--ink); font-size:15px; font-weight:500;
    transition:all var(--t);
  }
  .pill-links a:hover{ color:var(--brand); border-color:var(--brand); transform:translateY(-1px); box-shadow:var(--sh-2); }
  .back-row{ margin-top:26px; }

  /* ---------- 页脚 ---------- */
  .site-footer{ background:var(--dark); color:rgba(255,255,255,.72); padding:72px 0 28px; }
  .footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.3fr; gap:48px; }
  .site-footer .brand{ color:#fff; }
  .site-footer .brand:hover{ color:#fff; }
  .footer-desc{ font-size:14px; line-height:1.85; color:rgba(255,255,255,.66); margin-top:16px; max-width:280px; }
  .footer-col h4{ font-size:14px; font-weight:700; color:#fff; letter-spacing:.06em; margin-bottom:18px; }
  .footer-col ul{ display:grid; gap:12px; }
  .footer-col a{ color:rgba(255,255,255,.72); font-size:15px; position:relative; }
  .footer-col a:hover{ color:#fff; text-decoration:underline; text-underline-offset:4px; }
  .muted-line{ font-size:13px; line-height:1.9; color:rgba(255,255,255,.6); }
  .footer-bottom{
    margin-top:56px; padding-top:22px; border-top:1px solid rgba(255,255,255,.12);
    display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;
    font-size:13px; color:rgba(255,255,255,.56);
  }
  .to-top{
    height:38px; padding:0 18px; border-radius:var(--r-pill);
    background:transparent; border:1px solid rgba(255,255,255,.28);
    color:rgba(255,255,255,.86); font-size:13px; cursor:pointer;
    transition:all var(--t);
  }
  .to-top:hover{ background:#fff; color:var(--dark); border-color:#fff; }
  @media (max-width:991.98px){
    .footer-grid{ grid-template-columns:1fr 1fr; gap:36px; }
  }
  @media (max-width:575.98px){
    .footer-grid{ grid-template-columns:1fr; gap:32px; }
  }

  /* ---------- 进场动效 ---------- */
  .js .reveal{ opacity:0; transform:translateY(16px); }
  .js .reveal.in{
    opacity:1; transform:none;
    transition:opacity 520ms cubic-bezier(.2,.7,.2,1), transform 520ms cubic-bezier(.2,.7,.2,1);
  }
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    *{ transition-duration:.01ms !important; animation-duration:.01ms !important; }
    .js .reveal{ opacity:1; transform:none; }
  }

/* roulang page: category5 */
:root{
  --brand:#14624F;
  --brand-dark:#0E4638;
  --accent:#C9551F;
  --ink:#17201C;
  --ink-2:#5D6660;
  --ink-3:#8E948E;
  --line:#E4E2DA;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --soft:#EFEDE6;
  --dark:#12211C;
  --radius:6px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,33,28,.05);
  --shadow-2:0 10px 30px -18px rgba(18,33,28,.35);
  --shadow-nav:0 8px 28px -14px rgba(18,33,28,.28);
  --focus:0 0 0 3px rgba(20,98,79,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:220ms;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;font-weight:800}
h2{font-size:clamp(22px,2.8vw,34px);line-height:1.28;font-weight:700}
h3{font-size:19px;line-height:1.4;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:4px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-x{max-width:1320px}}

/* ============ 悬浮胶囊导航 ============ */
.site-nav{
  position:fixed;
  left:0;right:0;top:16px;
  z-index:1040;
  padding:0 16px;
  transition:top var(--t) var(--ease);
}
.nav-shell{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-nav);
  transition:padding var(--t) var(--ease);
}
.site-nav.is-scrolled{top:10px}
.site-nav.is-scrolled .nav-shell{padding:7px 10px 7px 18px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  color:var(--ink);
  white-space:nowrap;
  letter-spacing:-.01em;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:26px;height:26px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 62%,var(--accent) 100%);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;inset:7px;
  border:2px solid rgba(255,255,255,.92);
  border-radius:50%;
  border-top-color:transparent;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-2);
  border-radius:var(--radius-pill);
  transition:color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.nav-links a:hover{color:var(--ink);background:rgba(20,98,79,.06)}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:4px;
  width:18px;height:2px;
  margin-left:-9px;
  background:var(--accent);
  border-radius:2px;
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 20px;
  font-size:14.5px;
  font-weight:600;
  color:#fff;
  background:var(--brand);
  border-radius:var(--radius-pill);
  white-space:nowrap;
  transition:background-color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.nav-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.nav-burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--radius-pill);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{
  display:block;
  width:18px;height:2px;
  background:var(--ink);
  border-radius:2px;
  position:relative;
  transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);
}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-burger[aria-expanded="true"] span{background:transparent}
.nav-burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

@media (max-width:991.98px){
  .nav-burger{display:inline-flex;margin-left:auto}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;
    inset:0;
    margin:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:88px 24px 32px;
    background:var(--paper);
    transform:translateY(-102%);
    transition:transform 280ms var(--ease);
    overflow-y:auto;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{
    height:56px;
    padding:0 4px;
    font-size:17px;
    border-bottom:1px solid var(--line);
    border-radius:0;
    color:var(--ink);
  }
  .nav-links a.active::after{left:0;margin-left:0;bottom:14px;width:24px}
  .nav-links .drawer-cta{
    margin-top:24px;
    border-bottom:none;
    justify-content:center;
    background:var(--brand);
    color:#fff;
    border-radius:var(--radius-pill);
    font-weight:600;
  }
  .nav-shell{border-radius:var(--radius-pill)}
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  font-weight:600;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:640px}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--ink-3);
  padding-top:118px;
  margin-bottom:28px;
}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:#C9C6BC}

/* ============ Hero ============ */
.hero-cat{padding-bottom:8px}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.hero-copy .lead{
  color:var(--ink-2);
  font-size:15px;
  margin-top:18px;
  max-width:560px;
  line-height:1.9;
  padding-left:16px;
  border-left:3px solid var(--accent);
}
.hero-media{position:relative}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius);
  box-shadow:var(--shadow-2);
  background:var(--soft);
}
.hero-badge{
  position:absolute;
  left:-10px;bottom:-10px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  background:var(--accent);
  color:#fff;
  font-size:13px;
  font-weight:600;
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-2);
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.fact-num{
  font-size:34px;
  font-weight:800;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  color:var(--brand);
}
.fact-label{font-size:13px;color:var(--ink-2);margin-top:6px}

/* ============ 速查对照表 ============ */
.tbl-wrap{
  overflow-x:auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
}
table.spec-table{width:100%;border-collapse:collapse;min-width:760px}
table.spec-table thead th{
  background:rgba(20,98,79,.08);
  color:var(--brand-dark);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.spec-table tbody td{
  padding:18px 20px;
  font-size:15px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.spec-table tbody tr:last-child td{border-bottom:none}
table.spec-table tbody tr{transition:background-color var(--t) var(--ease)}
table.spec-table tbody tr:hover{background:rgba(239,237,230,.55)}
table.spec-table td.cell-scene{font-weight:600;width:24%}
table.spec-table td.cell-time{
  color:var(--accent);
  font-weight:600;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.table-note{margin-top:16px;font-size:14px;color:var(--ink-2)}

@media (max-width:767.98px){
  .tbl-wrap{overflow-x:visible;background:transparent;border:none;box-shadow:none}
  table.spec-table{min-width:0;display:block}
  table.spec-table thead{display:none}
  table.spec-table tbody,table.spec-table tr,table.spec-table td{display:block;width:100%}
  table.spec-table tr{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    margin-bottom:14px;
    padding:6px 4px;
  }
  table.spec-table tbody td{
    border-bottom:1px dashed var(--line);
    padding:12px 16px;
    width:auto !important;
  }
  table.spec-table tbody tr td:last-child{border-bottom:none}
  table.spec-table tbody td::before{
    content:attr(data-label);
    display:block;
    font-size:12px;
    letter-spacing:.08em;
    color:var(--ink-3);
    margin-bottom:4px;
  }
}

/* ============ 规格清单 ============ */
.spec-block{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.spec-row{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:24px;
  padding:24px 28px;
  border-bottom:1px solid var(--line);
  transition:background-color var(--t) var(--ease);
}
.spec-row:last-child{border-bottom:none}
.spec-row:hover{background:rgba(239,237,230,.5)}
.spec-term{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-weight:600;
  font-size:16px;
  color:var(--ink);
}
.spec-term i{
  color:var(--accent);
  font-size:15px;
  margin-top:6px;
  flex:0 0 auto;
}
.spec-desc{font-size:15px;color:var(--ink-2);line-height:1.85}
.spec-desc b{color:var(--ink);font-weight:600}
@media (max-width:767.98px){
  .spec-row{grid-template-columns:1fr;gap:8px;padding:20px}
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-2);border-color:#DAD7CD}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:60px;
  padding:14px 24px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:color var(--t) var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 auto;
  width:24px;height:24px;
  position:relative;
  transition:transform var(--t) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--accent);
  border-radius:2px;
}
.faq-icon::before{left:5px;top:11px;width:14px;height:2px}
.faq-icon::after{left:11px;top:5px;width:2px;height:14px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 300ms var(--ease);
}
.faq-a-inner{
  padding:0 24px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  border-top:1px solid var(--line);
  padding-top:18px;
}
@media (max-width:575.98px){
  .faq-q{min-height:56px;padding:12px 18px;font-size:16px}
  .faq-a-inner{padding:16px 18px 20px}
}

/* ============ 反色 CTA ============ */
.cta-band{
  background:var(--dark);
  color:#fff;
  border-radius:0;
  padding:80px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-160px;top:-160px;
  width:520px;height:520px;
  background:radial-gradient(circle,rgba(20,98,79,.55) 0%,rgba(18,33,28,0) 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.74);font-size:15px;margin-top:16px;max-width:460px}
.cta-form{display:grid;gap:16px}
.field label{display:block;font-size:14px;font-weight:600;color:rgba(255,255,255,.86);margin-bottom:8px}
.field input{
  width:100%;
  height:48px;
  padding:0 16px;
  font-size:15px;
  color:var(--ink);
  background:rgba(255,255,255,.96);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius);
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,98,79,.35)}
.btn-solid{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  font-size:15px;
  font-weight:600;
  color:#fff;
  background:var(--brand);
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  cursor:pointer;
  transition:background-color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn-solid:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-solid:active{transform:translateY(0);box-shadow:none}
.btn-light{
  background:#fff;
  color:var(--ink);
}
.btn-light:hover{background:#fff;color:var(--brand-dark)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  font-size:14.5px;
  font-weight:600;
  color:#fff;
  background:transparent;
  border:1px solid rgba(255,255,255,.4);
  border-radius:var(--radius-pill);
  transition:background-color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.form-tip{font-size:12px;color:rgba(255,255,255,.6);margin-top:4px}
@media (max-width:991.98px){
  .cta-inner{grid-template-columns:1fr;gap:32px}
}

/* ============ 底部链接组 ============ */
.foot-links{padding:64px 0 88px;background:var(--paper)}
.foot-links .back-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  margin-bottom:32px;
}
.link-out{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
}
.link-out i{transition:transform var(--t) var(--ease)}
.link-out:hover i{transform:translateX(4px)}
.pill-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.pill{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.pill:hover{
  color:var(--brand);
  border-color:rgba(20,98,79,.4);
  transform:translateY(-1px);
  box-shadow:var(--shadow-1);
}
.pill.is-current{color:#fff;background:var(--brand);border-color:var(--brand)}
.pill.is-current:hover{color:#fff}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:72px 0 32px;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col .brand{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col .brand:hover{color:#fff}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:280px}
.footer-col ul{display:grid;gap:12px}
.footer-col ul a{
  position:relative;
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.footer-col ul a::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  width:0;height:1px;
  background:#fff;
  transition:width 240ms var(--ease);
}
.footer-col ul a:hover{color:#fff}
.footer-col ul a:hover::after{width:100%}
.muted-line{font-size:13px;line-height:1.9;color:rgba(255,255,255,.6)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:28px;
  font-size:13px;
  color:rgba(255,255,255,.52);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 18px;
  font-size:13px;
  color:#fff;
  background:transparent;
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--radius-pill);
  cursor:pointer;
  transition:background-color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.1);border-color:#fff}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
}

/* ============ 滚动进场 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto !important}
  .btn-solid:hover,.pill:hover,.nav-cta:hover{transform:none}
  html{scroll-behavior:auto}
}

/* ============ 响应式主体 ============ */
@media (max-width:991.98px){
  .section{padding:72px 0}
  .section.tight{padding:56px 0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:-1}
  .hero-facts{gap:28px}
}
@media (max-width:575.98px){
  .container-x{padding:0 18px}
  body{font-size:16px}
  .section{padding:56px 0}
  .crumb{padding-top:104px}
  h1{font-size:30px}
  .fact-num{font-size:28px}
  .hero-facts{gap:20px;row-gap:20px}
  .cta-band{padding:56px 0}
  .pill{height:44px}
  .btn-solid{width:100%}
  .nav-cta{display:none}
}