/* roulang page: index */
:root{
  --brand-900:#06382A;
  --brand-700:#0E5C41;
  --brand-500:#178C63;
  --accent:#C8F169;
  --accent-ink:#17300A;
  --warm:#FF6A2B;
  --ink:#0E1310;
  --muted:#5C6A62;
  --line:#E2E6DF;
  --paper:#F5F7F2;
  --white:#FFFFFF;
  --radius-card:14px;
  --radius-media:10px;
  --radius-kv:20px;
  --shadow-1:0 1px 2px rgba(14,19,16,.05), 0 10px 24px -14px rgba(14,19,16,.18);
  --shadow-2:0 14px 30px -14px rgba(14,19,16,.26);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
h1,h2,h3{letter-spacing:-0.01em;}
.tnum{font-variant-numeric:tabular-nums;}

/* 容器 */
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
@media (min-width:768px){ .container-x{padding-left:24px;padding-right:24px;} }
@media (min-width:1024px){ .container-x{padding-left:32px;padding-right:32px;} }

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--white);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px -14px rgba(14,19,16,.35);
}
.nav-inner{
  height:60px;
  display:flex;
  align-items:center;
  gap:16px;
}
@media (min-width:1024px){ .nav-inner{height:72px;gap:28px;} }
.brand{
  display:flex;
  align-items:center;
  gap:9px;
  flex-shrink:0;
}
.brand-mark{
  width:28px;height:28px;
  display:grid;place-items:center;
  border-radius:9px;
  background:var(--brand-900);
  flex-shrink:0;
}
.brand-mark svg{width:16px;height:16px;fill:var(--accent);}
.brand-name{
  font-size:18px;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--ink);
  white-space:nowrap;
}
@media (min-width:1024px){ .brand-name{font-size:20px;} }
.nav-links{display:none;}
@media (min-width:1024px){
  .nav-links{
    display:flex;
    align-items:center;
    gap:22px;
    margin-left:6px;
  }
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:14.5px;
  color:var(--muted);
  font-weight:500;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:3px;
  border-radius:3px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.search-box{
  display:none;
  position:relative;
  width:220px;
}
@media (min-width:1024px){ .search-box{display:block;} }
.search-box svg{
  position:absolute;
  left:12px;top:50%;
  transform:translateY(-50%);
  width:16px;height:16px;
  stroke:var(--muted);
  fill:none;
  stroke-width:1.8;
}
.search-box input{
  width:100%;
  height:42px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--paper);
  padding:0 12px 0 36px;
  font-size:14px;
  outline:none;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-box input::placeholder{color:var(--muted);}
.search-box input:focus{
  background:var(--white);
  border-color:var(--brand-500);
  box-shadow:0 0 0 2px rgba(23,140,99,.18);
}
.btn-login{
  display:none;
  font-size:14.5px;
  color:var(--muted);
  padding:6px 4px;
  transition:color var(--ease);
}
.btn-login:hover{color:var(--ink);}
@media (min-width:1024px){ .btn-login{display:inline-block;} }

/* 按钮 */
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:10px;
  background:var(--accent);
  color:var(--accent-ink);
  font-weight:700;
  font-size:15px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease);
}
.btn-primary:hover{background:#bdea55;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 1px 3px rgba(14,19,16,.22);}
.btn-primary:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.btn-primary.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:10px;
  background:var(--white);
  border:1px solid var(--brand-500);
  color:var(--brand-700);
  font-weight:700;
  font-size:15px;
  cursor:pointer;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-outline:hover{background:rgba(23,140,99,.08);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-outline:active{transform:translateY(0);}
.btn-outline:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px dashed var(--muted);
  padding-bottom:2px;
  transition:color var(--ease),border-color var(--ease);
}
.btn-text:hover{color:var(--brand-500);border-bottom-style:solid;border-bottom-color:var(--brand-500);}
.btn-text:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:4px;}

/* 移动端汉堡与抽屉 */
.hamburger{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--white);
  cursor:pointer;
  transition:border-color var(--ease),background var(--ease);
}
.hamburger:hover{border-color:var(--brand-500);background:var(--paper);}
.hamburger:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.hamburger span{
  display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;
}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
@media (min-width:1024px){ .hamburger{display:none;} }
.drawer{
  position:fixed;
  top:0;right:0;
  width:82%;
  max-width:340px;
  height:100%;
  background:var(--white);
  border-left:1px solid var(--line);
  z-index:80;
  transform:translateX(102%);
  transition:transform 220ms ease-out;
  display:flex;
  flex-direction:column;
  padding:20px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(6,56,42,.42);
  z-index:70;
  opacity:0;
  pointer-events:none;
  transition:opacity 200ms ease-out;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:36px;height:36px;border-radius:9px;border:1px solid var(--line);background:var(--white);
  cursor:pointer;font-size:18px;line-height:1;color:var(--muted);
}
.drawer-close:hover{border-color:var(--brand-500);color:var(--ink);}
.drawer-link{
  display:block;
  padding:13px 4px;
  font-size:15.5px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
  transition:color var(--ease),padding-left var(--ease);
}
.drawer-link:hover{color:var(--ink);padding-left:8px;}
.drawer-link.is-active{color:var(--brand-700);font-weight:700;}
.drawer-foot{margin-top:auto;padding-top:18px;}

/* Hero */
.hero{
  position:relative;
  border-radius:var(--radius-kv);
  overflow:hidden;
  background:var(--brand-900);
  margin-top:22px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(6,56,42,.95) 0%,rgba(6,56,42,.86) 44%,rgba(6,56,42,.46) 100%);
}
.hero-inner{
  position:relative;
  padding:44px 22px 40px;
  display:flex;
  flex-direction:column;
  gap:22px;
}
@media (min-width:768px){ .hero-inner{padding:64px 44px 58px;} }
@media (min-width:1024px){ .hero-inner{padding:78px 56px 70px;max-width:900px;} }
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  align-self:flex-start;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(200,241,105,.16);
  border:1px solid rgba(200,241,105,.4);
  color:var(--accent);
  font-size:13px;
  font-weight:600;
}
.hero h1{
  font-size:clamp(32px,5vw,56px);
  line-height:1.15;
  font-weight:800;
  color:var(--white);
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
  max-width:32em;
}
@media (min-width:768px){ .hero-sub{font-size:19px;} }
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-badge{
  position:absolute;
  right:20px;
  bottom:18px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.28);
  color:var(--white);
  font-size:12.5px;
  font-weight:600;
}
.hero-badge i{
  width:8px;height:8px;border-radius:50%;background:var(--accent);display:block;
}
@media (max-width:639px){ .hero-badge{position:static;margin-top:6px;align-self:flex-start;} }

/* 区块 */
.section{padding:56px 0;}
@media (min-width:1024px){ .section{padding:88px 0;} }
.section.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:32px;}
@media (min-width:1024px){ .section-head{margin-bottom:44px;} }
.kicker{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand-500);
  margin-bottom:10px;
}
.section-head h2{
  font-size:28px;
  font-weight:700;
  line-height:1.3;
  color:var(--ink);
}
@media (min-width:1024px){ .section-head h2{font-size:32px;} }
.section-head p{
  margin-top:14px;
  font-size:16.5px;
  line-height:1.9;
  color:var(--muted);
  max-width:36em;
}

/* 玩法步骤 */
.steps{display:flex;flex-direction:column;gap:44px;}
@media (min-width:1024px){ .steps{gap:64px;} }
.step{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  align-items:center;
}
@media (min-width:1024px){
  .step{grid-template-columns:55% 45%;gap:36px;}
  .step.reverse .step-body{order:2;}
  .step.reverse .step-media{order:1;}
}
.step-num{
  font-size:44px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:2px rgba(23,140,99,.5);
  margin-bottom:12px;
}
@media (min-width:1024px){ .step-num{font-size:56px;} }
.step-body h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:10px;}
@media (min-width:1024px){ .step-body h3{font-size:22px;} }
.step-body p{font-size:16px;line-height:1.9;color:var(--muted);max-width:32em;}
.step-media{
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  overflow:hidden;
  background:var(--paper);
  aspect-ratio:16/10;
}
.step-media img{width:100%;height:100%;object-fit:cover;}

/* 横向奖励轨道 */
.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 18px;
  margin:0 -4px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
.rail-card{
  flex:0 0 78%;
  scroll-snap-align:start;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rail-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,140,99,.35);}
@media (min-width:640px){ .rail-card{flex:0 0 46%;} }
@media (min-width:1024px){ .rail-card{flex:0 0 30%;} }
.card-media{
  aspect-ratio:16/9;
  background:var(--paper);
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
.rail-card:hover .card-media img{transform:scale(1.03);}
.rail-body{padding:20px;}
.rail-body h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:8px;}
.rail-body p{font-size:14.5px;line-height:1.8;color:var(--muted);}
.rail-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;}
.badge{
  display:inline-flex;
  align-items:center;
  height:25px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--paper);
  color:var(--muted);
  border:1px solid var(--line);
}
.badge-accent{background:var(--accent);color:var(--accent-ink);border-color:transparent;}
.badge-warm{background:var(--warm);color:#fff;border-color:transparent;}
.rail-hint{
  font-size:13px;
  color:var(--muted);
  margin-top:4px;
}

/* 进度时间轴 */
.timeline{
  display:grid;
  gap:0;
  border-left:2px solid var(--line);
  margin-left:8px;
  padding-left:24px;
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:-33px;top:6px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--white);
  border:2px solid var(--line);
}
.tl-item.done .tl-dot{background:var(--brand-500);border-color:var(--brand-500);}
.tl-item.current .tl-dot{background:var(--accent);border-color:var(--brand-500);}
.tl-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:8px;}
.tl-head h3{font-size:17px;font-weight:600;}
.tl-head span{font-size:13.5px;color:var(--muted);}
.tl-item p{font-size:14.5px;line-height:1.8;color:var(--muted);max-width:34em;}
.bar{
  height:8px;
  border-radius:999px;
  background:var(--line);
  overflow:hidden;
  margin-top:12px;
  max-width:420px;
}
.bar > i{
  display:block;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--accent) 0%,var(--brand-500) 100%);
}
.bar-row{display:flex;align-items:center;gap:12px;margin-top:8px;}
.bar-row em{font-style:normal;font-size:14px;font-weight:700;color:var(--brand-700);}

/* 最新信息 */
.news-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media (min-width:1024px){
  .news-layout{grid-template-columns:1.35fr 1fr;gap:28px;}
}
.news-feature{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-feature:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,140,99,.35);}
.news-feature-media{display:block;aspect-ratio:16/9;background:var(--paper);overflow:hidden;}
.news-feature-media img{width:100%;height:100%;object-fit:cover;}
.news-feature-body{padding:24px;}
.news-feature-body h3{font-size:21px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.news-feature-body p{
  font-size:15.5px;line-height:1.85;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}
.news-stream{display:flex;flex-direction:column;gap:16px;}
.news-item{
  display:flex;gap:16px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:14px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,140,99,.35);}
.news-item:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.news-item-media{
  flex:0 0 108px;
  aspect-ratio:16/9;
  border-radius:var(--radius-media);
  overflow:hidden;
  background:var(--paper);
}
.news-item-media img{width:100%;height:100%;object-fit:cover;}
.news-item-body{min-width:0;}
.news-item-body h3{
  font-size:15.5px;font-weight:600;line-height:1.55;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item-body p{
  font-size:13.5px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item-foot{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:12.5px;color:var(--muted);}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:var(--paper);
  padding:44px 24px;
  text-align:center;
}
.empty-state .ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;
  background:var(--white);border:1px solid var(--line);
  display:grid;place-items:center;
}
.empty-state .ico svg{width:24px;height:24px;stroke:var(--brand-500);fill:none;stroke-width:1.8;}
.empty-state h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.empty-state p{font-size:14.5px;color:var(--muted);margin-bottom:18px;}

/* 反馈摘录 */
.quote-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){ .quote-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .quote-grid{grid-template-columns:repeat(3,1fr);gap:24px;} }
.quote{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.quote:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,140,99,.35);}
.quote p{font-size:15.5px;line-height:1.9;color:var(--ink);}
.quote-foot{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.quote-avatar{
  width:34px;height:34px;border-radius:50%;
  background:var(--brand-900);color:var(--accent);
  display:grid;place-items:center;font-size:13px;font-weight:700;flex-shrink:0;
}
.quote-foot span{font-size:13.5px;color:var(--muted);}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--white);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:rgba(23,140,99,.4);box-shadow:var(--shadow-1);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;
  padding:14px 20px;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:focus-visible{outline:2px solid var(--brand-500);outline-offset:-2px;}
.faq-item summary .mark{
  flex-shrink:0;
  width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  font-size:14px;color:var(--brand-700);line-height:1;
}
.faq-item[open] summary .mark{background:var(--accent);border-color:transparent;color:var(--accent-ink);}
.faq-answer{
  padding:0 20px 18px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  border-left:3px solid var(--accent);
  margin-left:20px;
  padding-left:16px;
  margin-bottom:18px;
}

/* CTA 条 */
.cta-band{
  position:relative;
  border-radius:var(--radius-kv);
  overflow:hidden;
  background:var(--brand-900);
}
.cta-band-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-band-overlay{
  position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(6,56,42,.95) 0%,rgba(6,56,42,.8) 52%,rgba(6,56,42,.5) 100%);
}
.cta-band-inner{
  position:relative;
  padding:44px 22px;
  display:flex;flex-direction:column;gap:20px;
}
@media (min-width:768px){
  .cta-band-inner{padding:56px 48px;flex-direction:row;align-items:center;justify-content:space-between;}
}
.cta-band h2{font-size:26px;font-weight:700;line-height:1.35;color:var(--white);}
@media (min-width:1024px){ .cta-band h2{font-size:30px;} }
.cta-band p{margin-top:12px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.85);max-width:34em;}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0;}

/* 页脚 */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);margin-top:0;}
.footer-inner{padding:56px 0 24px;}
.footer-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px 24px;
}
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;} }
.footer-brand{display:flex;align-items:center;gap:9px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);}
.footer-brand .brand-name{color:#fff;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:26em;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col li a{font-size:14px;color:rgba(255,255,255,.7);transition:color var(--ease);}
.footer-col li a:hover{color:#fff;}
.footer-col li a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
@media (min-width:768px){
  .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
}

/* roulang page: article */
:root{
  --brand-900:#06382A;
  --brand-700:#0E5C41;
  --brand-500:#178C63;
  --accent:#C8F169;
  --accent-ink:#17300A;
  --warm:#FF6A2B;
  --ink:#0E1310;
  --muted:#5C6A62;
  --line:#E2E6DF;
  --paper:#F5F7F2;
  --white:#FFFFFF;
  --radius-card:14px;
  --radius-img:10px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(14,19,16,.05), 0 10px 24px -14px rgba(14,19,16,.18);
  --shadow-2:0 14px 30px -14px rgba(14,19,16,.26);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
::selection{background:var(--accent);color:var(--accent-ink)}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px}
@media (min-width:768px){.container-x{padding:0 24px}}
@media (min-width:1024px){.container-x{padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 20px -16px rgba(14,19,16,.45)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;color:var(--brand-500)}
.brand-mark svg{width:24px;height:24px;fill:currentColor}
.brand-name{font-size:19px;font-weight:800;color:var(--brand-900);white-space:nowrap;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:20px;flex:1 1 auto;min-width:0;overflow:hidden}
.nav-link{
  position:relative;font-size:15px;color:var(--muted);padding:6px 2px;white-space:nowrap;
  transition:color .18s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-right{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto}
.search-box{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--paper);
  transition:border-color .18s ease-out, box-shadow .18s ease-out, background .18s ease-out;
}
.search-box svg{width:16px;height:16px;flex:0 0 auto;stroke:var(--muted);fill:none;stroke-width:2;stroke-linecap:round}
.search-box input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:var(--muted)}
.search-box:focus-within{border-color:var(--brand-500);background:var(--white);box-shadow:0 0 0 2px rgba(23,140,99,.18)}
.login-link{font-size:14px;color:var(--muted);transition:color .18s ease-out}
.login-link:hover{color:var(--ink)}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  background:var(--accent);color:var(--accent-ink);font-size:15px;font-weight:700;
  transition:background .18s ease-out, transform .18s ease-out, box-shadow .18s ease-out;
}
.btn-primary:hover{background:#bde84f;transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 1px 2px rgba(14,19,16,.2)}
.btn-primary:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  background:var(--white);border:1px solid var(--brand-500);color:var(--brand-700);
  font-size:15px;font-weight:600;
  transition:background .18s ease-out, transform .18s ease-out, box-shadow .18s ease-out;
}
.btn-ghost:hover{background:rgba(23,140,99,.08);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.menu-toggle{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--white);
  transition:border-color .18s ease-out, background .18s ease-out;
}
.menu-toggle svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round}
.menu-toggle:hover{border-color:rgba(23,140,99,.4);background:var(--paper)}
.menu-toggle:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.drawer-overlay{
  position:fixed;inset:0;z-index:70;background:rgba(6,56,42,.42);
  opacity:0;visibility:hidden;transition:opacity .26s ease-out, visibility .26s ease-out;
}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;z-index:80;width:86%;max-width:340px;height:100%;
  background:var(--white);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .26s cubic-bezier(.4,0,.2,1);
  padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px}
.drawer-close svg{width:16px;height:16px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{font-size:15px;color:var(--muted);padding:13px 2px;border-bottom:1px solid var(--line)}
.drawer-nav a:hover{color:var(--ink)}
.drawer-cta{margin-top:auto}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:24px 0 0;font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);transition:color .18s ease-out}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{padding:20px 0 0}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
}
.badge-paper{background:var(--paper);color:var(--muted);border:1px solid var(--line)}
.badge-accent{background:var(--accent);color:var(--accent-ink)}
.badge-warm{background:rgba(255,106,43,.12);color:#B8431A;border:1px solid rgba(255,106,43,.28)}
.article-title{
  font-size:clamp(28px,4.4vw,44px);line-height:1.22;font-weight:800;color:var(--ink);
  max-width:920px;margin:16px 0 0;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13.5px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{color:var(--line)}

/* ---------- 正文 ---------- */
.article-main{padding:44px 0 0}
.article-layout{max-width:760px;margin:0 auto}
.article-body{font-size:16.5px;line-height:1.92;color:var(--ink)}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  font-size:28px;line-height:1.35;font-weight:700;color:var(--ink);
  margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--brand-500);
}
.article-body h3{font-size:22px;line-height:1.4;font-weight:600;margin:32px 0 14px}
.article-body h4{font-size:18px;line-height:1.5;font-weight:600;margin:24px 0 12px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5em;line-height:1.8}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;background:var(--paper);
  border-left:3px solid var(--accent);border-radius:0 12px 12px 0;color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{width:100%;height:auto;border-radius:12px;margin:26px 0 10px}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;line-height:1.6}
.article-body a{
  color:var(--brand-700);text-decoration:underline;
  text-decoration-style:dotted;text-underline-offset:3px;
  transition:color .18s ease-out, text-decoration-style .18s ease-out;
}
.article-body a:hover{color:var(--brand-500);text-decoration-style:solid}
.article-body strong{font-weight:700;color:var(--brand-900)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body code{
  background:var(--paper);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;
}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--paper);font-weight:600}

.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--paper);padding:48px 28px;text-align:center;
}
.empty-state svg{width:44px;height:44px;margin:0 auto 16px;stroke:var(--brand-500);fill:none;stroke-width:1.6;stroke-linecap:round}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;border:0;padding:0}
.empty-state p{color:var(--muted);font-size:15px;max-width:32em;margin:0 auto 22px}

/* ---------- 标签 ---------- */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);color:var(--muted);
  font-size:12.5px;transition:border-color .18s ease-out, color .18s ease-out;
}
.tag:hover{border-color:rgba(23,140,99,.35);color:var(--brand-700)}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0 0}
@media (min-width:1024px){.section{padding:72px 0 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-title{font-size:26px;font-weight:700;line-height:1.3;color:var(--ink)}
@media (min-width:1024px){.section-title{font-size:30px}}
.section-sub{font-size:14px;color:var(--muted);margin-top:8px;max-width:46em}
.text-link{
  font-size:14px;color:var(--ink);border-bottom:1px dashed var(--muted);
  transition:color .18s ease-out, border-color .18s ease-out;
}
.text-link:hover{color:var(--brand-500);border-bottom-style:solid;border-bottom-color:var(--brand-500)}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.post-card{
  display:flex;flex-direction:column;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,140,99,.3)}
.post-card:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.post-thumb{aspect-ratio:16/9;background:var(--paper);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 20px;flex:1 1 auto}
.post-title{
  font-size:17px;font-weight:600;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-excerpt{
  font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- 上下篇 ---------- */
.prevnext{display:grid;grid-template-columns:1fr;gap:16px;margin-top:44px}
@media (min-width:768px){.prevnext{grid-template-columns:1fr 1fr}}
.pn-item{
  display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;transition:transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
}
.pn-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,140,99,.3)}
.pn-item:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.pn-label{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.pn-title{font-size:15px;font-weight:600;line-height:1.6;color:var(--ink);margin-top:8px}
.pn-item.is-next{text-align:right}
.back-row{display:flex;justify-content:center;margin-top:30px}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;margin-top:64px;border-radius:20px;overflow:hidden;
  background:var(--brand-900) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(6,56,42,.95) 0%, rgba(6,56,42,.82) 46%, rgba(6,56,42,.45) 100%);
}
.cta-inner{position:relative;z-index:1;padding:44px 28px;color:var(--white);max-width:700px}
@media (min-width:768px){.cta-inner{padding:56px 44px}}
.cta-inner h2{font-size:26px;line-height:1.32;font-weight:700;color:var(--white)}
@media (min-width:1024px){.cta-inner h2{font-size:30px}}
.cta-inner p{margin:14px 0 24px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.88);max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-outline-light{
  display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 22px;
  border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.55);color:var(--white);
  font-size:15px;font-weight:600;transition:background .18s ease-out, border-color .18s ease-out;
}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:var(--white)}
.btn-outline-light:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--paper);border-top:1px solid var(--line);margin-top:88px;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:22px;height:22px;color:var(--brand-500)}
.footer-brand .brand-mark svg{width:22px;height:22px;fill:currentColor}
.footer-brand .brand-name{font-size:17px;font-weight:800;color:var(--brand-900)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--muted);transition:color .18s ease-out}
.footer-col a:hover{color:var(--ink)}
.footer-col p{font-size:14px;line-height:1.8;color:var(--muted);max-width:34em}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  border-top:1px solid var(--line);margin-top:40px;padding-top:20px;
  font-size:13px;color:var(--muted);line-height:1.7;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links,.search-box,.login-link{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{height:64px}
}
@media (max-width:767px){
  .header-inner{height:60px;gap:14px}
  .brand-name{font-size:17px}
  .article-title{font-size:clamp(24px,6.4vw,32px)}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:23px;margin:34px 0 14px}
  .article-body h3{font-size:19px}
  .section{padding:48px 0 0}
  .cta-band{margin-top:48px;border-radius:16px}
  .site-footer{margin-top:64px;padding-top:44px}
  .breadcrumb{padding-top:18px}
  .article-main{padding-top:32px}
}

/* roulang page: category1 */
:root{
    --brand-900:#06382A;
    --brand-700:#0E5C41;
    --brand-500:#178C63;
    --accent:#C8F169;
    --accent-ink:#17300A;
    --warm:#FF6A2B;
    --ink:#0E1310;
    --muted:#5C6A62;
    --line:#E2E6DF;
    --paper:#F5F7F2;
    --white:#FFFFFF;
    --radius-card:14px;
    --radius-img:10px;
    --radius-btn:10px;
    --radius-kv:20px;
    --shadow-1:0 1px 2px rgba(14,19,16,.05), 0 10px 24px -14px rgba(14,19,16,.18);
    --shadow-2:0 14px 30px -14px rgba(14,19,16,.26);
    --section-y:56px;
  }
  @media (min-width:1024px){ :root{ --section-y:88px; } }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0;
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--ink);
    background:var(--white);
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  img{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; }
  button{ font:inherit; color:inherit; cursor:pointer; border:0; background:none; }
  input{ font:inherit; }
  h1,h2,h3,h4{ margin:0; letter-spacing:-.01em; }
  ul{ margin:0; padding:0; list-style:none; }
  p{ margin:0; }
  :focus-visible{ outline:2px solid var(--brand-500); outline-offset:2px; border-radius:6px; }

  .container-x{ width:100%; max-width:1200px; margin:0 auto; padding-left:16px; padding-right:16px; }
  @media (min-width:768px){ .container-x{ padding-left:24px; padding-right:24px; } }
  @media (min-width:1024px){ .container-x{ padding-left:32px; padding-right:32px; } }

  .section{ padding-top:var(--section-y); padding-bottom:var(--section-y); }
  .section-alt{ background:var(--paper); }
  .section-head{ display:flex; flex-direction:column; gap:12px; margin-bottom:32px; }
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-size:13px; font-weight:700; letter-spacing:.06em;
    color:var(--brand-500); text-transform:uppercase;
  }
  .eyebrow::before{ content:""; width:22px; height:3px; border-radius:999px; background:var(--accent); }
  .h2{ font-size:clamp(24px,3vw,32px); line-height:1.3; font-weight:700; color:var(--ink); }
  .h3{ font-size:clamp(18px,2vw,21px); line-height:1.4; font-weight:600; color:var(--ink); }
  .lead{ font-size:16px; line-height:1.9; color:var(--muted); max-width:44em; }
  .body-text{ font-size:16px; line-height:1.9; color:var(--muted); }
  .meta{ font-size:13px; line-height:1.6; color:var(--muted); }
  .num{ font-variant-numeric:tabular-nums; }

  /* ---------- 按钮 ---------- */
  .btn-primary,.btn-outline,.btn-outline-light,.btn-ghost{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    height:46px; padding:0 26px; border-radius:var(--radius-btn);
    font-size:15px; font-weight:700; letter-spacing:.01em;
    transition:transform 180ms ease-out, background-color 180ms ease-out, box-shadow 180ms ease-out, border-color 180ms ease-out, color 180ms ease-out;
  }
  .btn-sm{ height:40px; padding:0 18px; font-size:14px; }
  .btn-primary{ background:var(--accent); color:var(--accent-ink); box-shadow:var(--shadow-1); }
  .btn-primary:hover{ background:#BEE95C; transform:translateY(-1px); }
  .btn-primary:active{ transform:translateY(0); box-shadow:inset 0 2px 4px rgba(14,19,16,.18); }
  .btn-outline{ background:var(--white); color:var(--brand-700); border:1px solid var(--brand-500); }
  .btn-outline:hover{ background:rgba(23,140,99,.08); transform:translateY(-1px); }
  .btn-outline:active{ transform:translateY(0); }
  .btn-outline-light{ background:rgba(255,255,255,.08); color:#fff; border:1px solid rgba(255,255,255,.55); }
  .btn-outline-light:hover{ background:rgba(255,255,255,.18); transform:translateY(-1px); }
  .btn-ghost{ color:var(--brand-700); padding:0 10px; }
  .btn-ghost:hover{ color:var(--brand-500); }
  .link-underline{ color:var(--ink); border-bottom:1px dashed var(--muted); padding-bottom:2px; transition:color 180ms ease-out, border-color 180ms ease-out; }
  .link-underline:hover{ color:var(--brand-500); border-bottom-style:solid; border-bottom-color:var(--brand-500); }
  .link-quiet{ font-size:14px; font-weight:600; color:var(--muted); transition:color 180ms ease-out; }
  .link-quiet:hover{ color:var(--ink); }

  /* ---------- 徽章 ---------- */
  .badge{
    display:inline-flex; align-items:center; gap:6px;
    height:26px; padding:0 12px; border-radius:999px;
    font-size:12px; font-weight:600; line-height:1; white-space:nowrap;
  }
  .badge-soft{ background:var(--paper); color:var(--muted); border:1px solid var(--line); }
  .badge-accent{ background:var(--accent); color:var(--accent-ink); }
  .badge-warm{ background:var(--warm); color:#fff; }
  .badge-light{ background:rgba(255,255,255,.16); color:#fff; border:1px solid rgba(255,255,255,.35); }

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky; top:0; z-index:60;
    background:var(--white);
    border-bottom:1px solid transparent;
    transition:border-color 180ms ease-out, box-shadow 180ms ease-out;
  }
  .site-header.is-scrolled{ border-bottom-color:var(--line); box-shadow:0 6px 18px -14px rgba(14,19,16,.45); }
  .header-inner{ display:flex; align-items:center; gap:20px; height:60px; }
  @media (min-width:1024px){ .header-inner{ height:72px; gap:28px; } }
  .brand{ display:inline-flex; align-items:center; gap:10px; flex-shrink:0; }
  .brand-mark{ display:inline-flex; width:24px; height:24px; color:var(--brand-500); }
  .brand-mark svg{ width:24px; height:24px; fill:currentColor; }
  .brand-name{ font-size:18px; font-weight:800; color:var(--brand-900); letter-spacing:-.01em; white-space:nowrap; }
  @media (min-width:1024px){ .brand-name{ font-size:20px; } }

  .nav-links{ display:none; align-items:center; gap:22px; flex:1; justify-content:center; }
  @media (min-width:1024px){ .nav-links{ display:flex; } }
  .nav-link{
    position:relative; font-size:15px; font-weight:500; color:var(--muted);
    padding:8px 0; border-bottom:3px solid transparent;
    transition:color 180ms ease-out, border-color 180ms ease-out;
  }
  .nav-link:hover{ color:var(--ink); border-bottom-color:rgba(23,140,99,.35); }
  .nav-link.is-active{ color:var(--ink); font-weight:700; border-bottom-color:var(--brand-500); }

  .header-actions{ display:flex; align-items:center; gap:10px; margin-left:auto; }
  @media (min-width:1024px){ .header-actions{ gap:16px; margin-left:0; } }
  .nav-search{ position:relative; display:none; }
  @media (min-width:1024px){ .nav-search{ display:block; } }
  .nav-search .search-icon{ position:absolute; left:12px; top:50%; transform:translateY(-50%); width:16px; height:16px; stroke:var(--muted); fill:none; stroke-width:2; }
  .nav-search input{
    width:220px; height:42px; padding:0 14px 0 36px;
    border:1px solid var(--line); border-radius:10px;
    background:var(--white); color:var(--ink); font-size:14px;
    transition:border-color 180ms ease-out, box-shadow 180ms ease-out;
  }
  .nav-search input::placeholder{ color:var(--muted); }
  .nav-search input:focus{ outline:none; border-color:var(--brand-500); box-shadow:0 0 0 3px rgba(23,140,99,.18); }
  .header-actions .link-quiet{ display:none; }
  @media (min-width:768px){ .header-actions .link-quiet{ display:inline-flex; } }
  .header-actions .btn-primary{ display:none; }
  @media (min-width:1024px){ .header-actions .btn-primary{ display:inline-flex; } }

  .nav-toggle{
    display:inline-flex; flex-direction:column; justify-content:center; gap:5px;
    width:42px; height:42px; padding:0 10px; border-radius:10px;
    border:1px solid var(--line); background:var(--white);
    transition:border-color 180ms ease-out, background-color 180ms ease-out;
  }
  .nav-toggle span{ display:block; height:2px; border-radius:2px; background:var(--brand-900); }
  .nav-toggle:hover{ border-color:var(--brand-500); }
  .nav-toggle[aria-expanded="true"]{ background:var(--paper); border-color:var(--brand-500); }
  @media (min-width:1024px){ .nav-toggle{ display:none; } }

  .drawer-mask{
    position:fixed; inset:0; z-index:70; background:rgba(6,56,42,.45);
    opacity:0; visibility:hidden; transition:opacity 200ms ease-out, visibility 200ms ease-out;
  }
  .drawer-mask.is-open{ opacity:1; visibility:visible; }
  .mobile-drawer{
    position:fixed; top:0; right:0; z-index:80;
    width:min(320px,86vw); height:100%; padding:20px 20px 28px;
    background:var(--white); border-left:1px solid var(--line);
    display:flex; flex-direction:column; gap:18px;
    transform:translateX(102%); transition:transform 240ms ease-out;
    overflow-y:auto;
  }
  .mobile-drawer.is-open{ transform:translateX(0); }
  .drawer-head{ display:flex; align-items:center; justify-content:space-between; }
  .drawer-title{ font-size:15px; font-weight:700; color:var(--brand-900); }
  .drawer-close{ width:36px; height:36px; border-radius:10px; border:1px solid var(--line); display:inline-flex; align-items:center; justify-content:center; font-size:18px; color:var(--muted); }
  .drawer-close:hover{ border-color:var(--brand-500); color:var(--ink); }
  .drawer-nav{ display:flex; flex-direction:column; }
  .drawer-link{
    padding:14px 12px; font-size:15px; font-weight:600; color:var(--muted);
    border-bottom:1px solid var(--line); border-radius:8px;
    transition:background-color 180ms ease-out, color 180ms ease-out;
  }
  .drawer-link:hover{ background:var(--paper); color:var(--ink); }
  .drawer-link.is-active{ color:var(--brand-700); background:rgba(200,241,105,.35); }
  .drawer-cta{ width:100%; margin-top:auto; }

  /* ---------- 面包屑 ---------- */
  .breadcrumb{ display:flex; flex-wrap:wrap; align-items:center; gap:8px; font-size:13px; color:rgba(255,255,255,.78); }
  .breadcrumb a{ color:rgba(255,255,255,.78); transition:color 180ms ease-out; }
  .breadcrumb a:hover{ color:#fff; }
  .breadcrumb .sep{ opacity:.6; }
  .breadcrumb .current{ color:#fff; font-weight:600; }

  /* ---------- Hero ---------- */
  .hero-wrap{ padding-top:24px; }
  @media (min-width:1024px){ .hero-wrap{ padding-top:32px; } }
  .page-hero{
    position:relative; overflow:hidden;
    border-radius:var(--radius-kv);
    min-height:400px;
    display:flex; align-items:flex-end;
    padding:28px 20px;
    background:var(--brand-900);
  }
  @media (min-width:768px){ .page-hero{ padding:44px 40px; min-height:440px; } }
  @media (min-width:1024px){ .page-hero{ padding:52px 56px; min-height:480px; } }
  .hero-bg{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
  .hero-veil{
    position:absolute; inset:0;
    background:linear-gradient(102deg, rgba(6,56,42,.95) 0%, rgba(6,56,42,.88) 42%, rgba(6,56,42,.46) 100%);
  }
  .hero-inner{ position:relative; z-index:2; width:100%; display:flex; flex-direction:column; gap:20px; }
  .hero-title{ font-size:clamp(32px,5vw,56px); line-height:1.15; font-weight:800; color:#fff; letter-spacing:-.01em; }
  .hero-sub{ font-size:17px; line-height:1.9; color:rgba(255,255,255,.86); max-width:32em; }
  @media (min-width:1024px){ .hero-sub{ font-size:19px; } }
  .hero-actions{ display:flex; flex-wrap:wrap; gap:14px; }
  .hero-badges{ display:flex; flex-wrap:wrap; gap:10px; }

  /* ---------- 要点条 ---------- */
  .points-bar{
    display:grid; gap:0; border:1px solid var(--line); border-radius:var(--radius-card);
    background:var(--white); overflow:hidden; box-shadow:var(--shadow-1);
  }
  @media (min-width:768px){ .points-bar{ grid-template-columns:repeat(2,1fr); } }
  @media (min-width:1024px){ .points-bar{ grid-template-columns:repeat(4,1fr); } }
  .point{ padding:22px 22px; border-bottom:1px solid var(--line); }
  .point:last-child{ border-bottom:0; }
  @media (min-width:768px){
    .point{ border-right:1px solid var(--line); }
    .point:nth-child(2n){ border-right:0; }
    .point:nth-last-child(-n+2){ border-bottom:0; }
  }
  @media (min-width:1024px){
    .point{ border-right:1px solid var(--line); border-bottom:0; }
    .point:nth-child(2n){ border-right:1px solid var(--line); }
    .point:last-child{ border-right:0; }
  }
  .point-icon{ display:inline-flex; width:34px; height:34px; border-radius:10px; align-items:center; justify-content:center; background:rgba(200,241,105,.45); color:var(--brand-700); margin-bottom:12px; }
  .point-icon svg{ width:18px; height:18px; stroke:currentColor; fill:none; stroke-width:1.9; }
  .point h3{ font-size:17px; font-weight:700; margin-bottom:6px; }
  .point p{ font-size:14px; line-height:1.8; color:var(--muted); }

  /* ---------- 主推横幅 ---------- */
  .feature-banner{
    position:relative; overflow:hidden; border-radius:var(--radius-card);
    border:1px solid var(--line); background:var(--brand-900);
    display:flex; align-items:flex-end; min-height:320px;
    transition:box-shadow 180ms ease-out, transform 180ms ease-out, border-color 180ms ease-out;
  }
  .feature-banner:hover{ transform:translateY(-2px); box-shadow:var(--shadow-2); border-color:rgba(23,140,99,.4); }
  .feature-banner img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
  .feature-banner .veil{
    position:absolute; inset:0;
    background:linear-gradient(80deg, rgba(6,56,42,.94) 0%, rgba(6,56,42,.78) 46%, rgba(6,56,42,.28) 100%);
  }
  .feature-body{ position:relative; z-index:2; padding:28px 22px; display:flex; flex-direction:column; gap:14px; }
  @media (min-width:768px){ .feature-body{ padding:40px 44px; max-width:60%; } }
  .feature-body h3{ color:#fff; font-size:clamp(22px,3vw,30px); font-weight:700; line-height:1.3; }
  .feature-body p{ color:rgba(255,255,255,.85); font-size:15px; line-height:1.85; }

  /* ---------- 错落卡片 ---------- */
  .zig-list{ display:flex; flex-direction:column; gap:24px; }
  @media (min-width:1024px){ .zig-list{ gap:28px; } }
  .zig-row{ display:grid; gap:24px; align-items:stretch; }
  @media (min-width:1024px){
    .zig-row{ grid-template-columns:3fr 2fr; }
    .zig-row.is-reverse{ grid-template-columns:2fr 3fr; }
  }
  .card{
    display:flex; flex-direction:column;
    background:var(--white); border:1px solid var(--line);
    border-radius:var(--radius-card); overflow:hidden;
    transition:transform 180ms ease-out, box-shadow 180ms ease-out, border-color 180ms ease-out;
  }
  .card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-2); border-color:rgba(23,140,99,.35); }
  .card-media{ position:relative; aspect-ratio:16/9; background:var(--paper); overflow:hidden; }
  .card-media img{ width:100%; height:100%; object-fit:cover; transition:transform 320ms ease-out; }
  .card:hover .card-media img{ transform:scale(1.03); }
  .card-media .tag-float{ position:absolute; left:12px; top:12px; }
  .card-body{ padding:20px 22px 24px; display:flex; flex-direction:column; gap:12px; flex:1; }
  .card-body h3{ font-size:19px; font-weight:700; line-height:1.45; }
  .card-row{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-top:auto; padding-top:6px; }
  .tag-line{ display:flex; flex-wrap:wrap; gap:8px; }
  .card-list{ display:flex; flex-direction:column; gap:8px; margin-top:2px; }
  .card-list li{ position:relative; padding-left:16px; font-size:14px; line-height:1.8; color:var(--muted); }
  .card-list li::before{ content:""; position:absolute; left:0; top:.72em; width:6px; height:6px; border-radius:50%; background:var(--brand-500); }

  /* ---------- 观看流程 ---------- */
  .flow{ display:flex; flex-direction:column; border-top:1px solid var(--line); }
  .flow-item{
    display:grid; gap:14px; padding:24px 0; border-bottom:1px solid var(--line);
    transition:background-color 180ms ease-out;
  }
  @media (min-width:768px){ .flow-item{ grid-template-columns:110px 1fr; gap:24px; align-items:start; padding:28px 12px; } }
  .flow-item:hover{ background:rgba(245,247,242,.9); }
  .flow-num{
    font-size:34px; font-weight:800; line-height:1;
    color:transparent; -webkit-text-stroke:1.5px rgba(23,140,99,.55);
    font-variant-numeric:tabular-nums;
  }
  @media (min-width:768px){ .flow-num{ font-size:44px; } }
  .flow-content h3{ font-size:18px; font-weight:700; margin-bottom:8px; }
  .flow-content p{ font-size:15px; line-height:1.85; color:var(--muted); max-width:46em; }

  /* ---------- FAQ ---------- */
  .faq-list{ display:flex; flex-direction:column; gap:12px; max-width:900px; }
  .faq-item{ border:1px solid var(--line); border-radius:12px; background:var(--white); overflow:hidden; transition:border-color 180ms ease-out, box-shadow 180ms ease-out; }
  .faq-item:hover{ border-color:rgba(23,140,99,.35); }
  .faq-item.is-open{ box-shadow:var(--shadow-1); border-color:rgba(23,140,99,.4); }
  .faq-q{
    width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
    min-height:56px; padding:14px 20px; text-align:left;
    font-size:16px; font-weight:600; color:var(--ink);
    position:relative;
  }
  .faq-q::before{ content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background:transparent; transition:background-color 180ms ease-out; }
  .faq-item.is-open .faq-q::before{ background:var(--accent); }
  .faq-sign{ flex-shrink:0; width:26px; height:26px; border-radius:50%; border:1px solid var(--line); display:inline-flex; align-items:center; justify-content:center; font-size:16px; font-weight:600; color:var(--brand-700); transition:background-color 180ms ease-out, border-color 180ms ease-out; }
  .faq-item.is-open .faq-sign{ background:var(--accent); border-color:var(--accent); color:var(--accent-ink); }
  .faq-a{ max-height:0; overflow:hidden; transition:max-height 260ms ease-out; }
  .faq-item.is-open .faq-a{ max-height:440px; }
  .faq-a p{ padding:0 20px 20px; font-size:15px; line-height:1.85; color:var(--muted); }

  /* ---------- CTA 条 ---------- */
  .cta-band{ position:relative; overflow:hidden; border-radius:var(--radius-kv); background:var(--brand-900); }
  .cta-band img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
  .cta-band .veil{ position:absolute; inset:0; background:linear-gradient(100deg, rgba(6,56,42,.95) 0%, rgba(6,56,42,.82) 52%, rgba(6,56,42,.4) 100%); }
  .cta-inner{ position:relative; z-index:2; padding:40px 22px; display:flex; flex-direction:column; gap:16px; }
  @media (min-width:768px){ .cta-inner{ padding:56px 48px; } }
  .cta-inner h2{ color:#fff; font-size:clamp(22px,3vw,30px); font-weight:700; line-height:1.3; }
  .cta-inner p{ color:rgba(255,255,255,.86); font-size:16px; line-height:1.85; max-width:40em; }
  .cta-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:6px; }

  /* ---------- 页脚 ---------- */
  .site-footer{ background:var(--brand-900); color:rgba(255,255,255,.78); margin-top:var(--section-y); }
  .footer-inner{ padding-top:52px; padding-bottom:24px; }
  .footer-grid{ display:grid; gap:32px; grid-template-columns:1fr; }
  @media (min-width:640px){ .footer-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (min-width:1024px){ .footer-grid{ grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px; } }
  .footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
  .footer-brand .brand-mark{ color:var(--accent); }
  .footer-brand .brand-name{ color:#fff; font-size:18px; font-weight:800; }
  .footer-col p{ font-size:14px; line-height:1.85; color:rgba(255,255,255,.7); max-width:30em; }
  .footer-col h4{ font-size:14px; font-weight:700; color:#fff; margin-bottom:14px; }
  .footer-col ul{ display:flex; flex-direction:column; gap:10px; }
  .footer-col ul a{ font-size:14px; color:rgba(255,255,255,.72); transition:color 180ms ease-out; }
  .footer-col ul a:hover{ color:#fff; }
  .footer-bottom{
    margin-top:40px; padding-top:20px; border-top:1px solid rgba(255,255,255,.16);
    display:flex; flex-direction:column; gap:8px;
    font-size:13px; line-height:1.7; color:rgba(255,255,255,.62);
  }
  @media (min-width:768px){ .footer-bottom{ flex-direction:row; align-items:center; justify-content:space-between; gap:24px; } }

/* roulang page: category2 */
:root {
    --brand-900: #06382A;
    --brand-700: #0E5C41;
    --brand-500: #178C63;
    --accent: #C8F169;
    --accent-ink: #17300A;
    --warm: #FF6A2B;
    --ink: #0E1310;
    --muted: #5C6A62;
    --line: #E2E6DF;
    --paper: #F5F7F2;
    --white: #FFFFFF;
    --radius-card: 14px;
    --radius-img: 10px;
    --radius-btn: 10px;
    --radius-kv: 20px;
    --shadow-1: 0 1px 2px rgba(14, 19, 16, .05), 0 10px 24px -14px rgba(14, 19, 16, .18);
    --shadow-2: 0 14px 30px -14px rgba(14, 19, 16, .26);
    --sec-y: 56px;
    --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  }
  @media (min-width: 1024px) { :root { --sec-y: 88px; } }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.88;
    color: var(--ink);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button, input { font: inherit; }
  h1, h2, h3, h4 { letter-spacing: -.01em; }
  h2 { font-size: clamp(24px, 3vw, 31px); line-height: 1.3; font-weight: 700; margin: 0; }
  h3 { font-size: 20px; line-height: 1.4; font-weight: 600; margin: 0; }
  p { margin: 0; }
  .num { font-variant-numeric: tabular-nums; }
  :focus-visible { outline: 2px solid var(--brand-500); outline-offset: 2px; }

  .container-x { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }
  @media (min-width: 768px) { .container-x { padding: 0 24px; } }
  @media (min-width: 1024px) { .container-x { padding: 0 32px; } }

  .section { padding: var(--sec-y) 0; }
  .section-alt { background: var(--paper); }
  .section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 32px; }
  .section-sub { color: var(--muted); font-size: 15.5px; max-width: 42em; margin-top: 12px; }
  .eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; letter-spacing: .08em; color: var(--brand-700); text-transform: uppercase; margin-bottom: 12px; }
  .eyebrow::before { content: ""; width: 22px; height: 3px; border-radius: 2px; background: var(--accent); }

  /* 按钮 */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: 48px; padding: 0 26px; border-radius: var(--radius-btn);
    font-size: 16px; font-weight: 700; line-height: 1; border: 1px solid transparent;
    cursor: pointer; transition: transform .18s ease-out, background-color .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
  }
  .btn-primary { background: var(--accent); color: var(--accent-ink); }
  .btn-primary:hover { background: #bde85a; transform: translateY(-1px); box-shadow: var(--shadow-1); }
  .btn-primary:active { transform: translateY(0); box-shadow: inset 0 1px 3px rgba(14, 19, 16, .2); }
  .btn-ghost { background: #fff; border-color: var(--brand-500); color: var(--brand-700); }
  .btn-ghost:hover { background: rgba(23, 140, 99, .08); transform: translateY(-1px); }
  .btn-ghost:active { transform: translateY(0); }
  .btn-sm { height: 40px; padding: 0 18px; font-size: 14px; }
  .btn-on-dark { background: #fff; color: var(--brand-900); }
  .btn-on-dark:hover { background: rgba(255, 255, 255, .88); transform: translateY(-1px); }
  .link-text { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--ink); border-bottom: 1px dashed var(--muted); padding-bottom: 2px; transition: .18s ease-out; }
  .link-text:hover { color: var(--brand-500); border-bottom-style: solid; border-bottom-color: var(--brand-500); }

  /* 徽章与标签 */
  .badge { display: inline-flex; align-items: center; height: 25px; padding: 0 11px; border-radius: 999px; font-size: 12px; line-height: 1; background: var(--paper); color: var(--muted); white-space: nowrap; }
  .badge-accent { background: var(--accent); color: var(--accent-ink); font-weight: 700; }
  .badge-warm { background: var(--warm); color: #fff; font-weight: 700; }
  .badge-outline { background: transparent; border: 1px solid var(--line); }
  .badge-ondark { background: rgba(255, 255, 255, .14); color: #fff; }

  /* 顶部导航 */
  .site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); transition: box-shadow .2s ease-out; }
  .site-header.is-scrolled { box-shadow: 0 8px 20px -14px rgba(14, 19, 16, .4); }
  .header-inner { display: flex; align-items: center; gap: 18px; height: 72px; }
  @media (max-width: 767px) { .header-inner { height: 60px; gap: 10px; } }

  .brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
  .brand-mark { width: 24px; height: 24px; display: inline-flex; color: var(--brand-500); flex: 0 0 auto; }
  .brand-mark svg { width: 100%; height: 100%; fill: currentColor; }
  .brand-name { font-size: 19px; font-weight: 800; letter-spacing: -.01em; white-space: nowrap; }
  @media (max-width: 767px) { .brand-name { font-size: 16.5px; } }

  .nav-links { display: flex; align-items: center; gap: 2px; margin-left: 6px; }
  .nav-link { position: relative; padding: 10px 12px; font-size: 15px; font-weight: 500; color: var(--muted); border-radius: 8px; transition: color .18s ease-out; white-space: nowrap; }
  .nav-link:hover { color: var(--ink); }
  .nav-link::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 3px; border-radius: 2px; background: var(--brand-500); transform: scaleX(0); transform-origin: left center; transition: transform .18s ease-out; }
  .nav-link:hover::after { transform: scaleX(.6); }
  .nav-link.is-active { color: var(--ink); font-weight: 700; }
  .nav-link.is-active::after { transform: scaleX(1); }
  @media (max-width: 1099px) { .nav-links { display: none; } }

  .header-tools { margin-left: auto; display: flex; align-items: center; gap: 12px; }
  .search-box { position: relative; display: flex; align-items: center; }
  .search-box input {
    width: 226px; height: 42px; border-radius: 10px; border: 1px solid var(--line);
    padding: 0 14px 0 38px; font-size: 14px; color: var(--ink); background: #fff;
    transition: border-color .18s ease-out, box-shadow .18s ease-out;
  }
  .search-box input::placeholder { color: var(--muted); }
  .search-box input:focus { outline: none; border-color: var(--brand-500); box-shadow: 0 0 0 3px rgba(23, 140, 99, .16); }
  .search-icon { position: absolute; left: 12px; width: 16px; height: 16px; color: var(--muted); pointer-events: none; }
  .link-login { font-size: 15px; color: var(--muted); padding: 6px 4px; transition: color .18s ease-out; }
  .link-login:hover { color: var(--ink); }
  @media (max-width: 1279px) { .search-box input { width: 168px; } }
  @media (max-width: 1099px) { .search-box, .link-login { display: none; } }

  .icon-btn {
    display: none; align-items: center; justify-content: center; width: 40px; height: 40px;
    border-radius: 10px; border: 1px solid var(--line); background: #fff; color: var(--ink);
    cursor: pointer; transition: border-color .18s ease-out, background-color .18s ease-out;
  }
  .icon-btn:hover { border-color: var(--brand-500); background: rgba(23, 140, 99, .06); }
  .icon-btn svg { width: 18px; height: 18px; fill: currentColor; }
  @media (max-width: 1099px) {
    .header-tools .btn-primary { display: none; }
    .icon-btn { display: inline-flex; }
  }

  .drawer-mask { position: fixed; inset: 0; background: rgba(14, 19, 16, .46); opacity: 0; visibility: hidden; transition: opacity .24s ease-out, visibility .24s ease-out; z-index: 55; }
  .drawer-mask.is-open { opacity: 1; visibility: visible; }
  .mobile-drawer {
    position: fixed; top: 0; right: 0; bottom: 0; width: min(320px, 86vw); background: #fff;
    border-left: 1px solid var(--line); z-index: 60; padding: 20px;
    display: flex; flex-direction: column; gap: 8px;
    transform: translateX(102%); transition: transform .26s ease-out;
  }
  .mobile-drawer.is-open { transform: translateX(0); }
  .drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--line); margin-bottom: 10px; }
  .drawer-title { font-size: 15px; font-weight: 700; color: var(--muted); }
  .drawer-link { display: block; padding: 12px 12px; border-radius: 10px; font-size: 15.5px; color: var(--ink); transition: background-color .18s ease-out; }
  .drawer-link:hover { background: var(--paper); }
  .drawer-link.is-active { background: rgba(23, 140, 99, .1); color: var(--brand-700); font-weight: 700; }
  .drawer-foot { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); display: grid; gap: 10px; }

  /* 面包屑 */
  .crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); padding: 20px 0 18px; }
  .crumbs a { color: var(--muted); transition: color .18s ease-out; }
  .crumbs a:hover { color: var(--brand-500); }
  .crumbs .sep { color: #B6BFB7; }
  .crumbs .cur { color: var(--ink); }

  /* 分类 Hero */
  .cat-hero { position: relative; border-radius: var(--radius-kv); overflow: hidden; color: #fff; background-image: url('/assets/images/backpic/back-2.webp'); background-size: cover; background-position: center; box-shadow: var(--shadow-1); }
  .cat-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(104deg, rgba(6, 56, 42, .95) 0%, rgba(6, 56, 42, .8) 48%, rgba(6, 56, 42, .36) 100%); }
  .cat-hero-inner { position: relative; padding: clamp(28px, 5vw, 64px); max-width: 780px; }
  .cat-hero h1 { font-size: clamp(32px, 5vw, 56px); line-height: 1.15; font-weight: 800; margin: 0 0 18px; }
  .cat-hero p { font-size: clamp(16px, 1.6vw, 18.5px); line-height: 1.8; color: rgba(255, 255, 255, .9); max-width: 32em; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
  .hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
  .hero-strip { position: relative; display: flex; flex-wrap: wrap; gap: 14px 32px; padding: 18px clamp(20px, 5vw, 64px); background: rgba(6, 56, 42, .92); border-top: 1px solid rgba(255, 255, 255, .14); }
  .hero-strip-item { display: flex; align-items: baseline; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, .78); }
  .hero-strip-item strong { color: var(--accent); font-size: 16px; font-weight: 700; }

  /* 内容要点块 */
  .fact-grid { display: grid; gap: 22px; grid-template-columns: 1fr; }
  @media (min-width: 768px) { .fact-grid { grid-template-columns: 1fr 1fr; } }
  .fact { background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: var(--radius-card); padding: 24px; transition: transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out; }
  .fact:hover { transform: translateY(-2px); border-color: rgba(23, 140, 99, .35); border-left-color: var(--brand-500); box-shadow: var(--shadow-2); }
  .fact h3 { margin: 0 0 10px; }
  .fact p { font-size: 15.5px; line-height: 1.8; color: var(--muted); }
  .fact .fact-tag { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }

  /* 横向轨道 */
  .snap-track { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 16px 18px; margin: 0 -16px; scrollbar-width: thin; }
  .snap-track::-webkit-scrollbar { height: 6px; }
  .snap-track::-webkit-scrollbar-thumb { background: var(--line); border-radius: 999px; }
  @media (min-width: 768px) { .snap-track { padding-left: 24px; padding-right: 24px; margin: 0 -24px; } }
  @media (min-width: 1024px) { .snap-track { padding-left: 32px; padding-right: 32px; margin: 0 -32px; } }
  .snap-item { flex: 0 0 84%; max-width: 360px; scroll-snap-align: start; }
  @media (min-width: 640px) { .snap-item { flex-basis: 47%; } }
  @media (min-width: 1024px) { .snap-item { flex-basis: calc(25% - 15px); max-width: none; } }

  .card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card); overflow: hidden; transition: transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out; height: 100%; }
  .card:hover { transform: translateY(-2px); border-color: rgba(23, 140, 99, .4); box-shadow: var(--shadow-2); }
  .card-media { position: relative; aspect-ratio: 16 / 9; background: var(--paper); overflow: hidden; }
  .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease-out; }
  .card:hover .card-media img { transform: scale(1.03); }
  .card-media .badge { position: absolute; left: 12px; top: 12px; }
  .card-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
  .card-body p { font-size: 15px; line-height: 1.78; color: var(--muted); }
  .card-meta { margin-top: auto; padding-top: 12px; display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 13px; color: var(--muted); }

  /* 时间轴 */
  .timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
  .tl-item { display: grid; grid-template-columns: 128px 34px minmax(0, 1fr); align-items: start; }
  .tl-left { padding: 22px 12px 30px 0; text-align: right; }
  .tl-index { display: block; font-size: 26px; font-weight: 800; line-height: 1; color: var(--brand-500); font-variant-numeric: tabular-nums; }
  .tl-stage { display: block; margin-top: 8px; font-size: 13.5px; color: var(--muted); }
  .tl-axis { position: relative; align-self: stretch; }
  .tl-axis::before { content: ""; position: absolute; left: 50%; top: 34px; bottom: -6px; width: 2px; transform: translateX(-50%); background: var(--line); }
  .tl-item:last-child .tl-axis::before { bottom: auto; height: 0; }
  .tl-dot { position: absolute; left: 50%; top: 26px; width: 12px; height: 12px; border-radius: 999px; transform: translateX(-50%); background: var(--brand-500); box-shadow: 0 0 0 4px rgba(23, 140, 99, .16); }
  .tl-item:last-child .tl-dot { background: var(--accent); box-shadow: 0 0 0 4px rgba(200, 241, 105, .35); }
  .tl-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card); padding: 22px; margin-bottom: 26px; transition: transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out; }
  .tl-card:hover { transform: translateY(-2px); border-color: rgba(23, 140, 99, .35); box-shadow: var(--shadow-2); }
  .tl-card h3 { margin-bottom: 8px; }
  .tl-card p { font-size: 15.5px; line-height: 1.8; color: var(--muted); }
  .tl-points { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
  .tl-points li { position: relative; padding-left: 18px; font-size: 14.5px; line-height: 1.75; color: var(--ink); }
  .tl-points li::before { content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 2px; background: var(--accent); }
  .tl-figure { margin: 16px 0 0; }
  .tl-figure .ratio { aspect-ratio: 16 / 9; border-radius: var(--radius-img); overflow: hidden; background: var(--paper); }
  .tl-figure img { width: 100%; height: 100%; object-fit: cover; }
  .tl-figure figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; }

  @media (max-width: 767px) {
    .tl-item { grid-template-columns: 62px 20px minmax(0, 1fr); }
    .tl-left { padding: 18px 8px 0 0; }
    .tl-index { font-size: 20px; }
    .tl-stage { font-size: 12px; }
    .tl-card { padding: 18px; margin-bottom: 20px; }
  }

  /* 名词清单行 */
  .row-list { display: grid; gap: 12px; }
  .row-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; transition: transform .18s ease-out, border-color .18s ease-out, box-shadow .18s ease-out; }
  .row-item:hover { transform: translateY(-2px); border-color: rgba(23, 140, 99, .4); box-shadow: var(--shadow-1); }
  .row-item h3 { font-size: 17.5px; margin-bottom: 6px; }
  .row-item p { font-size: 14.5px; color: var(--muted); line-height: 1.75; }
  .row-tags { display: flex; align-items: center; gap: 10px; }
  .row-arrow { width: 32px; height: 32px; border-radius: 999px; border: 1px solid var(--line); display: inline-flex; align-items: center; justify-content: center; color: var(--brand-700); font-size: 15px; transition: background-color .18s ease-out, border-color .18s ease-out; }
  .row-item:hover .row-arrow { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
  @media (max-width: 640px) { .row-item { grid-template-columns: 1fr; } .row-tags { flex-wrap: wrap; } }

  /* FAQ */
  .faq-list { display: grid; gap: 12px; }
  .faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; transition: border-color .18s ease-out, box-shadow .18s ease-out; }
  .faq-item:hover { border-color: rgba(23, 140, 99, .35); }
  .faq-item[open] { border-left: 3px solid var(--accent); box-shadow: var(--shadow-1); }
  .faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; padding: 14px 20px; font-size: 16.5px; font-weight: 600; cursor: pointer; list-style: none; }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after { content: "+"; font-size: 22px; font-weight: 400; line-height: 1; color: var(--brand-500); flex: 0 0 auto; }
  .faq-item[open] summary::after { content: "−"; }
  .faq-answer { padding: 0 20px 20px; font-size: 15px; line-height: 1.85; color: var(--muted); }

  /* CTA 条 */
  .cta-band { position: relative; border-radius: var(--radius-kv); overflow: hidden; color: #fff; background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; padding: clamp(28px, 5vw, 56px); }
  .cta-band::before { content: ""; position: absolute; inset: 0; background: linear-gradient(112deg, rgba(6, 56, 42, .95) 0%, rgba(6, 56, 42, .78) 55%, rgba(6, 56, 42, .4) 100%); }
  .cta-band > * { position: relative; }
  .cta-band h2 { color: #fff; margin-bottom: 14px; }
  .cta-band p { color: rgba(255, 255, 255, .88); font-size: 16px; max-width: 40em; }
  .cta-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }

  /* 页脚 */
  .site-footer { background: var(--brand-900); color: #fff; margin-top: var(--sec-y); }
  .footer-inner { padding: 56px 0 28px; }
  .footer-grid { display: grid; gap: 32px; grid-template-columns: 1fr; }
  @media (min-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; } }
  .footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
  .footer-brand .brand-mark { color: var(--accent); width: 24px; height: 24px; }
  .footer-brand .brand-name { font-size: 18px; font-weight: 800; color: #fff; }
  .footer-col p { font-size: 14px; line-height: 1.85; color: rgba(255, 255, 255, .7); max-width: 30em; }
  .footer-col h4 { font-size: 14px; font-weight: 700; margin: 0 0 14px; color: #fff; }
  .footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
  .footer-col a { font-size: 14px; color: rgba(255, 255, 255, .72); transition: color .18s ease-out; }
  .footer-col a:hover { color: #fff; }
  .footer-bottom { display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; margin-top: 44px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .16); font-size: 13px; color: rgba(255, 255, 255, .62); }

  /* 小工具 */
  .grid-2 { display: grid; gap: 22px; grid-template-columns: 1fr; }
  @media (min-width: 768px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
  .grid-3 { display: grid; gap: 22px; grid-template-columns: 1fr; }
  @media (min-width: 768px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
  .split-55 { display: grid; gap: 28px; grid-template-columns: 1fr; }
  @media (min-width: 1024px) { .split-55 { grid-template-columns: 55fr 45fr; align-items: center; } }
  .ratio-16x9 { aspect-ratio: 16 / 9; border-radius: var(--radius-img); overflow: hidden; background: var(--paper); }
  .ratio-16x9 img { width: 100%; height: 100%; object-fit: cover; }
  .quote-box { border-left: 3px solid var(--accent); background: var(--paper); border-radius: 0 12px 12px 0; padding: 18px 22px; font-size: 15.5px; line-height: 1.85; color: var(--ink); }
  .stat-row { display: grid; gap: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  @media (min-width: 768px) { .stat-row { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
  .stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card); padding: 20px; }
  .stat strong { display: block; font-size: 26px; font-weight: 800; color: var(--brand-700); font-variant-numeric: tabular-nums; }
  .stat span { display: block; margin-top: 6px; font-size: 13.5px; color: var(--muted); line-height: 1.7; }
  .progress-track { height: 8px; border-radius: 999px; background: var(--line); overflow: hidden; }
  .progress-fill { height: 100%; width: 68%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--brand-500)); }

/* roulang page: category3 */
:root{
  --brand-900:#06382A;
  --brand-700:#0E5C41;
  --brand-500:#178C63;
  --accent:#C8F169;
  --accent-ink:#17300A;
  --warm:#FF6A2B;
  --ink:#0E1310;
  --muted:#5C6A62;
  --line:#E2E6DF;
  --paper:#F5F7F2;
  --white:#FFFFFF;
  --shadow-1:0 1px 2px rgba(14,19,16,.05), 0 10px 24px -14px rgba(14,19,16,.18);
  --shadow-2:0 14px 30px -14px rgba(14,19,16,.26);
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --r-kv:20px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{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-500);outline-offset:2px;border-radius:4px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 容器与板块 ---------- */
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px}
@media (min-width:768px){.container-x{padding:0 24px}}
@media (min-width:1024px){.container-x{padding:0 32px}}
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{max-width:640px;margin-bottom:28px}
.section-title{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
@media (min-width:1024px){.section-title{font-size:32px}}
.section-sub{margin-top:12px;color:var(--muted);font-size:16px;line-height:1.85}
[id]{scroll-margin-top:96px}

/* ---------- 徽章 / 标签 ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;line-height:1}
.chip-accent{background:var(--accent);color:var(--accent-ink)}
.chip-warm{background:var(--warm);color:#2B1104}
.chip-plain{background:var(--paper);color:var(--muted);border:1px solid var(--line)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:0;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease-out, color .18s ease-out, transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:#BBE955;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(14,19,16,.45)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 1px 3px rgba(14,19,16,.24)}
.btn-ghost{background:var(--white);border-color:var(--brand-500);color:var(--brand-700)}
.btn-ghost:hover{background:rgba(23,140,99,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-1px)}
.btn-outline-light:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);border-bottom:1px dashed rgba(14,92,65,.5);padding-bottom:2px;transition:color .18s,border-color .18s}
.link-arrow:hover{color:var(--brand-500);border-bottom-style:solid;border-bottom-color:var(--brand-500)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px -16px rgba(14,19,16,.45)}
.header-inner{display:flex;align-items:center;gap:18px;height:60px}
@media (min-width:1024px){.header-inner{height:72px;gap:28px}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;color:var(--brand-500)}
.brand-mark svg{width:26px;height:26px;fill:currentColor}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
@media (min-width:1024px){.brand-name{font-size:19px}}
.nav-links{display:none}
@media (min-width:1024px){.nav-links{display:flex;align-items:center;gap:24px;margin-left:8px}}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--muted);font-weight:500;transition:color .18s ease-out;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:999px;background:var(--brand-500);transform:scaleX(0);transform-origin:left center;transition:transform .18s ease-out}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{position:relative;display:none}
@media (min-width:1280px){.search-box{display:block}}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:2}
.search-input{width:220px;height:40px;padding:0 14px 0 36px;border:1px solid var(--line);border-radius:10px;background:var(--paper);font-size:14px;color:var(--ink);transition:border-color .18s,box-shadow .18s,background-color .18s}
.search-input::placeholder{color:var(--muted)}
.search-input:focus{outline:none;background:var(--white);border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,140,99,.16)}
.login-link{display:none;font-size:14px;font-weight:600;color:var(--ink);padding:6px 4px;border-bottom:1px dashed transparent;transition:color .18s,border-color .18s}
.login-link:hover{color:var(--brand-700);border-bottom-color:var(--brand-500)}
@media (min-width:1024px){.login-link{display:inline-block}}
@media (max-width:1023px){.header-tools .btn-primary{display:none}}
.menu-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:0 9px;border:1px solid var(--line);border-radius:10px;transition:border-color .18s,background-color .18s}
.menu-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:background-color .18s}
.menu-toggle:hover{border-color:var(--brand-500);background:var(--paper)}
@media (min-width:1024px){.menu-toggle{display:none}}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(6,56,42,.45);opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:var(--white);z-index:80;transform:translateX(100%);transition:transform .26s ease-out;display:flex;flex-direction:column;padding:18px;border-left:1px solid var(--line)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);font-size:20px;line-height:1;display:inline-flex;align-items:center;justify-content:center;transition:border-color .18s,background-color .18s}
.drawer-close:hover{border-color:var(--brand-500);background:var(--paper)}
.drawer-nav{display:grid;gap:4px;padding:18px 0;overflow-y:auto}
.drawer-link{padding:12px 10px;border-radius:10px;font-size:15px;font-weight:600;color:var(--ink);transition:background-color .18s,color .18s}
.drawer-link:hover{background:var(--paper);color:var(--brand-700)}
.drawer-link.is-active{background:var(--paper);color:var(--brand-700);box-shadow:inset 3px 0 0 var(--brand-500)}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--muted);padding:18px 0 14px}
.crumb a{color:var(--muted);transition:color .18s}
.crumb a:hover{color:var(--brand-700)}
.crumb-sep{color:#B6C0B8}
.crumb-current{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;border-radius:var(--r-kv);color:#fff;
  background-image:linear-gradient(104deg,rgba(6,56,42,.95) 0%,rgba(6,56,42,.84) 42%,rgba(6,56,42,.46) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-1);
}
.hero-inner{padding:38px 22px 42px;max-width:760px}
@media (min-width:768px){.hero-inner{padding:56px 40px 60px}}
@media (min-width:1024px){.hero-inner{padding:68px 56px 72px}}
.hero-title{margin-top:16px;font-size:clamp(32px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.88);max-width:32em}
@media (min-width:1024px){.hero-sub{font-size:18px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:26px;font-size:13px;color:rgba(255,255,255,.8)}
.hero-meta .dot{color:rgba(255,255,255,.45)}
.hero-badge{
  position:absolute;right:22px;bottom:22px;display:none;
  align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  font-size:12px;font-weight:600;color:#fff;
}
@media (min-width:768px){.hero-badge{display:inline-flex}}
.hero-badge i{width:7px;height:7px;border-radius:999px;background:var(--accent);display:block}

/* ---------- 导语 ---------- */
.lead-block{padding:36px 0 0}
.lead-text{max-width:800px;color:#2C362F;font-size:16px;line-height:1.95}
.lead-text p+p{margin-top:1.15em}

/* ---------- 主体双栏（锚点 + 长文） ---------- */
.layout-anchor{display:block}
@media (min-width:1024px){
  .layout-anchor{display:grid;grid-template-columns:236px minmax(0,1fr);gap:56px;align-items:start}
}
.toc{display:none}
@media (min-width:1024px){
  .toc{display:block;position:sticky;top:100px;border-left:2px solid var(--line);padding-left:18px}
}
.toc-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.08em;margin-bottom:12px}
.toc-link{display:block;position:relative;padding:7px 0;font-size:14px;color:var(--muted);transition:color .18s,padding-left .18s}
.toc-link::before{content:"";position:absolute;left:-20px;top:50%;transform:translateY(-50%) scaleY(0);width:2px;height:20px;background:var(--brand-500);transition:transform .18s}
.toc-link:hover{color:var(--ink)}
.toc-link.is-active{color:var(--brand-700);font-weight:700}
.toc-link.is-active::before{transform:translateY(-50%) scaleY(1)}
.toc-tip{margin-top:18px;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--paper);font-size:13px;line-height:1.75;color:var(--muted)}
.content-col{max-width:720px;margin-top:40px}
@media (min-width:1024px){.content-col{margin-top:0}}
.block+.block{margin-top:56px}
@media (min-width:1024px){.block+.block{margin-top:72px}}
.block-title{position:relative;font-size:26px;line-height:1.3;font-weight:700;letter-spacing:-.01em;padding-left:14px}
@media (min-width:1024px){.block-title{font-size:28px}}
.block-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--brand-500)}
.block-desc{margin-top:16px;font-size:16px;line-height:1.95;color:#2C362F}
.block-desc+.block-desc{margin-top:1.15em}

/* ---------- 信息条 ---------- */
.spec-list{margin-top:26px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--white)}
.spec-row{display:grid;grid-template-columns:1fr;gap:4px;padding:16px 20px;border-bottom:1px solid var(--line)}
.spec-row:last-child{border-bottom:0}
@media (min-width:640px){.spec-row{grid-template-columns:132px minmax(0,1fr);gap:18px;align-items:baseline}}
.spec-key{font-size:14px;font-weight:700;color:var(--brand-700)}
.spec-val{font-size:15px;line-height:1.8;color:#2C362F}

/* ---------- 图文条目卡 ---------- */
.entry-list{margin-top:26px;display:grid;gap:20px}
.entry-card{
  display:grid;grid-template-columns:1fr;gap:16px;
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--white);
  padding:16px;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
@media (min-width:640px){.entry-card{grid-template-columns:220px minmax(0,1fr);gap:20px;padding:18px;align-items:center}}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,140,99,.3)}
.entry-media{aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-img);background:var(--paper)}
.entry-media img{width:100%;height:100%;object-fit:cover}
.entry-body h3{font-size:20px;line-height:1.4;font-weight:600}
.entry-body p{margin-top:10px;font-size:15px;line-height:1.85;color:#39443C}
.entry-meta{margin-top:12px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.entry-meta .chip{height:24px;font-size:12px}

/* ---------- 步骤 ---------- */
.step-list{margin-top:26px;display:grid;gap:18px}
.step-item{display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;align-items:start;border-bottom:1px solid var(--line);padding-bottom:18px}
.step-item:last-child{border-bottom:0;padding-bottom:0}
.step-num{font-size:30px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.4px var(--brand-500);font-variant-numeric:tabular-nums}
@media (min-width:768px){.step-num{font-size:36px}}
.step-item h3{font-size:19px;font-weight:600;line-height:1.4}
.step-item p{margin-top:8px;font-size:15px;line-height:1.85;color:#39443C}

/* ---------- 时间线 ---------- */
.timeline{margin-top:26px;position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:4px;top:8px;bottom:8px;width:2px;background:var(--line);border-radius:2px}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-26px;top:7px;width:10px;height:10px;border-radius:999px;background:var(--brand-500);box-shadow:0 0 0 4px rgba(23,140,99,.12)}
.tl-item.is-pending .tl-dot{background:var(--line);box-shadow:none}
.tl-when{font-size:13px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums}
.tl-item h3{margin-top:6px;font-size:18px;font-weight:600;line-height:1.45}
.tl-item p{margin-top:8px;font-size:15px;line-height:1.85;color:#39443C}
.progress{margin-top:14px}
.progress-label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px;font-variant-numeric:tabular-nums}
.progress-rail{height:8px;border-radius:999px;background:var(--line);overflow:hidden}
.progress-bar{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--brand-500))}

/* ---------- 规则条目 ---------- */
.rule-list{margin-top:26px;display:grid;gap:12px}
.rule-item{display:grid;grid-template-columns:1fr;gap:6px;padding:16px 20px;border:1px solid var(--line);border-radius:12px;background:var(--paper);transition:border-color .18s ease-out,background-color .18s}
.rule-item:hover{border-color:rgba(23,140,99,.35);background:#fff}
@media (min-width:640px){.rule-item{grid-template-columns:136px minmax(0,1fr);gap:18px;align-items:baseline}}
.rule-item h3{font-size:15px;font-weight:700;color:var(--brand-700)}
.rule-item p{font-size:15px;line-height:1.8;color:#39443C}

/* ---------- 适用场景 ---------- */
.scene-grid{margin-top:26px}
@media (min-width:768px){.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}}
.scene-card{border:1px solid var(--line);border-radius:var(--r-card);background:var(--white);padding:22px;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.scene-card+.scene-card{margin-top:16px}
@media (min-width:768px){.scene-card+.scene-card{margin-top:0}}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,140,99,.3)}
.scene-card h3{font-size:18px;font-weight:600;line-height:1.45}
.scene-card p{margin-top:10px;font-size:15px;line-height:1.85;color:#39443C}
.scene-icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:var(--paper);color:var(--brand-700);margin-bottom:14px}
.scene-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8}

/* ---------- FAQ ---------- */
.faq-list{margin-top:26px;display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--white);overflow:hidden;transition:border-color .18s ease-out}
.faq-item.is-open{border-color:rgba(23,140,99,.4)}
.faq-q{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:56px;padding:14px 18px;font-size:16px;font-weight:600;text-align:left;line-height:1.6}
.faq-q::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--accent);transform:scaleY(0);transition:transform .18s ease-out}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{flex-shrink:0;width:22px;height:22px;border-radius:999px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--brand-700);line-height:1}
.faq-item.is-open .faq-icon{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out}
.faq-a-inner{padding:0 18px 18px;font-size:15px;line-height:1.85;color:#39443C}

/* ---------- CTA 条 ---------- */
.cta-wrap{padding:0 0 56px}
@media (min-width:1024px){.cta-wrap{padding:0 0 88px}}
.cta-band{
  position:relative;border-radius:var(--r-kv);overflow:hidden;color:#fff;
  padding:38px 24px;
  background-image:linear-gradient(100deg,rgba(6,56,42,.94) 0%,rgba(14,92,65,.72) 60%,rgba(14,92,65,.5) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
@media (min-width:768px){
  .cta-band{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px 48px}
}
.cta-title{font-size:26px;line-height:1.3;font-weight:700}
@media (min-width:1024px){.cta-title{font-size:30px}}
.cta-text{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
@media (min-width:768px){.cta-actions{margin-top:0;flex-shrink:0}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#fff;margin-top:0}
.footer-inner{padding:52px 0 26px}
@media (min-width:1024px){.footer-inner{padding:64px 0 28px}}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 24px}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-col:first-child{grid-column:1 / -1}
@media (min-width:1024px){.footer-col:first-child{grid-column:auto}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{color:var(--accent)}
.footer-brand .brand-name{font-size:18px;font-weight:800;color:#fff}
.footer-col p{margin-top:14px;font-size:14px;line-height:1.85;color:#A9C6B9;max-width:34em}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:#A9C6B9;transition:color .18s}
.footer-col ul a:hover{color:#fff}
.footer-bottom{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;line-height:1.7;color:#94B4A6}

/* roulang page: category4 */
:root{
    --brand-900:#06382A;
    --brand-700:#0E5C41;
    --brand-500:#178C63;
    --accent:#C8F169;
    --accent-ink:#17300A;
    --warm:#FF6A2B;
    --ink:#0E1310;
    --muted:#5C6A62;
    --line:#E2E6DF;
    --paper:#F5F7F2;
    --white:#FFFFFF;
    --shadow-1:0 1px 2px rgba(14,19,16,.05), 0 10px 24px -14px rgba(14,19,16,.18);
    --shadow-2:0 14px 30px -14px rgba(14,19,16,.26);
    --r-card:14px;
    --r-img:10px;
    --r-btn:10px;
    --r-kv:20px;
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0;
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.9;
    color:var(--ink);
    background:var(--white);
    -webkit-font-smoothing:antialiased;
  }
  a{ color:inherit; text-decoration:none; transition:color .18s ease-out, border-color .18s ease-out, background-color .18s ease-out; }
  img{ display:block; max-width:100%; height:auto; }
  button{ font:inherit; color:inherit; }
  ul,ol{ margin:0; padding:0; list-style:none; }
  h1,h2,h3,h4,p{ margin:0; }
  h1,h2,h3{ letter-spacing:-.01em; }
  :focus-visible{ outline:2px solid var(--brand-500); outline-offset:2px; }

  .container-x{ max-width:1200px; margin:0 auto; padding:0 16px; }
  @media (min-width:768px){ .container-x{ padding:0 24px; } }
  @media (min-width:1024px){ .container-x{ padding:0 32px; } }

  /* ---------- Header ---------- */
  .site-header{
    position:sticky; top:0; z-index:60;
    background:#fff;
    border-bottom:1px solid transparent;
    transition:box-shadow .2s ease-out, border-color .2s ease-out;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 1px 0 rgba(14,19,16,.03), 0 10px 22px -18px rgba(14,19,16,.55);
  }
  .nav-wrap{ display:flex; align-items:center; gap:22px; height:60px; }
  @media (min-width:1024px){ .nav-wrap{ height:72px; gap:28px; } }

  .brand{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }
  .brand-mark{
    width:28px; height:28px; border-radius:9px;
    background:var(--brand-500); color:#fff;
    display:grid; place-items:center; flex:0 0 auto;
  }
  .brand-mark svg{ width:18px; height:18px; fill:currentColor; }
  .brand-name{
    font-size:18px; font-weight:800; color:var(--ink);
    white-space:nowrap; letter-spacing:-.01em;
  }
  @media (min-width:1024px){ .brand-name{ font-size:20px; } }

  .nav-links{ display:none; }
  @media (min-width:1024px){
    .nav-links{ display:flex; align-items:center; gap:4px; flex:1 1 auto; }
  }
  .nav-link{
    position:relative;
    padding:10px 10px;
    font-size:15px;
    color:var(--muted);
    border-radius:8px;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute; left:10px; right:10px; bottom:4px; height:3px;
    border-radius:2px; background:var(--brand-500);
    transform:scaleX(0); transform-origin:left;
    transition:transform .18s ease-out;
  }
  .nav-link:hover{ color:var(--ink); }
  .nav-link:hover::after{ transform:scaleX(1); }
  .nav-link.is-active{ color:var(--ink); font-weight:700; }
  .nav-link.is-active::after{ transform:scaleX(1); }

  .nav-right{ display:none; align-items:center; gap:14px; margin-left:auto; }
  @media (min-width:1024px){ .nav-right{ display:flex; } }

  .search-box{ position:relative; width:220px; }
  .search-box svg{
    position:absolute; left:12px; top:50%; transform:translateY(-50%);
    width:16px; height:16px; color:var(--muted); pointer-events:none;
  }
  .search-box input{
    width:100%; height:44px; padding:0 12px 0 36px;
    border:1px solid var(--line); border-radius:10px;
    font-size:14px; color:var(--ink); background:#fff;
    transition:border-color .18s ease-out, box-shadow .18s ease-out;
  }
  .search-box input::placeholder{ color:var(--muted); }
  .search-box input:focus{
    outline:none; border-color:var(--brand-500);
    box-shadow:0 0 0 3px rgba(23,140,99,.18);
  }

  .btn-login{ font-size:15px; color:var(--ink); padding:8px 6px; border-bottom:1px dashed transparent; }
  .btn-login:hover{ color:var(--brand-500); border-bottom-color:var(--brand-500); }

  .btn-primary{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    height:46px; padding:0 24px; border-radius:var(--r-btn);
    background:var(--accent); color:var(--accent-ink);
    font-size:15px; font-weight:700; border:1px solid transparent;
    cursor:pointer;
    transition:transform .18s ease-out, filter .18s ease-out, box-shadow .18s ease-out;
  }
  .btn-primary:hover{ filter:brightness(.94); transform:translateY(-1px); box-shadow:var(--shadow-1); }
  .btn-primary:active{ transform:translateY(0); box-shadow:inset 0 2px 4px rgba(14,19,16,.18); }
  .btn-primary[disabled]{ opacity:.45; cursor:not-allowed; transform:none; }

  .btn-ghost{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    height:46px; padding:0 22px; border-radius:var(--r-btn);
    background:#fff; color:var(--brand-700);
    border:1px solid var(--brand-500);
    font-size:15px; font-weight:700; cursor:pointer;
    transition:background-color .18s ease-out, transform .18s ease-out, box-shadow .18s ease-out;
  }
  .btn-ghost:hover{ background:rgba(23,140,99,.08); transform:translateY(-1px); box-shadow:var(--shadow-1); }
  .btn-ghost:active{ transform:translateY(0); box-shadow:inset 0 2px 4px rgba(14,19,16,.12); }

  .btn-text{
    display:inline-flex; align-items:center; gap:6px;
    font-size:14px; font-weight:600; color:var(--ink);
    border-bottom:1px dashed var(--line); padding-bottom:2px;
  }
  .btn-text:hover{ color:var(--brand-500); border-bottom-style:solid; border-bottom-color:var(--brand-500); }

  .icon-btn{
    width:40px; height:40px; border-radius:10px; border:1px solid var(--line);
    background:#fff; display:inline-grid; place-items:center; cursor:pointer;
    color:var(--ink);
    transition:border-color .18s ease-out, background-color .18s ease-out;
  }
  .icon-btn:hover{ border-color:rgba(23,140,99,.45); background:var(--paper); }
  .icon-btn svg{ width:20px; height:20px; }

  .mobile-actions{ display:flex; align-items:center; gap:10px; margin-left:auto; }
  @media (min-width:1024px){ .mobile-actions{ display:none; } }

  /* ---------- Drawer ---------- */
  .drawer-mask{
    position:fixed; inset:0; z-index:70;
    background:rgba(14,19,16,.45);
    opacity:0; pointer-events:none;
    transition:opacity .25s ease-out;
  }
  .drawer-mask.is-open{ opacity:1; pointer-events:auto; }
  .drawer{
    position:fixed; top:0; right:0; z-index:80;
    width:min(84vw,340px); height:100%;
    background:#fff; box-shadow:-12px 0 32px -20px rgba(14,19,16,.5);
    transform:translateX(100%);
    transition:transform .25s ease-out;
    display:flex; flex-direction:column;
    padding:22px 20px 20px;
  }
  .drawer.is-open{ transform:translateX(0); }
  .drawer-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; }
  .drawer-title{ font-size:16px; font-weight:800; }
  .drawer-nav{ display:flex; flex-direction:column; gap:2px; }
  .drawer-nav a{
    display:block; padding:13px 12px; border-radius:10px;
    font-size:15px; color:var(--muted); border:1px solid transparent;
  }
  .drawer-nav a:hover{ background:var(--paper); color:var(--ink); }
  .drawer-nav a.is-active{ color:var(--ink); font-weight:700; background:var(--paper); border-color:var(--line); }
  .drawer-foot{ margin-top:auto; padding-top:18px; border-top:1px solid var(--line); }
  .drawer-foot .btn-primary{ width:100%; }

  /* ---------- Breadcrumb ---------- */
  .breadcrumb{
    display:flex; flex-wrap:wrap; align-items:center; gap:8px;
    font-size:13px; color:var(--muted); padding:20px 0 0;
  }
  .breadcrumb a:hover{ color:var(--brand-500); }
  .breadcrumb .sep{ color:var(--line); }
  .breadcrumb .current{ color:var(--ink); }

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;
    margin-top:20px;
    border-radius:var(--r-kv);
    overflow:hidden;
    color:#fff;
    padding:44px 24px 40px;
    background-image:
      linear-gradient(103deg, rgba(6,56,42,.95) 0%, rgba(6,56,42,.86) 40%, rgba(6,56,42,.42) 100%),
      url('/assets/images/backpic/back-3.png');
    background-size:cover;
    background-position:center;
  }
  @media (min-width:768px){ .page-hero{ padding:64px 44px 56px; } }
  @media (min-width:1024px){ .page-hero{ padding:72px 56px 64px; } }

  .hero-eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    height:26px; padding:0 12px; border-radius:999px;
    background:rgba(200,241,105,.16); color:var(--accent);
    font-size:12px; font-weight:700; letter-spacing:.06em;
    border:1px solid rgba(200,241,105,.35);
  }
  .hero-eyebrow span{ width:6px; height:6px; border-radius:50%; background:var(--accent); }
  .hero-title{
    margin-top:18px;
    font-size:clamp(32px,5vw,56px);
    line-height:1.15;
    font-weight:800;
    letter-spacing:-.02em;
  }
  .hero-sub{
    margin-top:18px;
    max-width:32em;
    font-size:17px;
    line-height:1.8;
    color:rgba(255,255,255,.88);
  }
  @media (min-width:1024px){ .hero-sub{ font-size:18px; } }
  .hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:28px; }
  .hero-meta{
    display:flex; flex-wrap:wrap; gap:10px; margin-top:28px;
    padding-top:20px; border-top:1px solid rgba(255,255,255,.2);
  }
  .chip{
    display:inline-flex; align-items:center; gap:6px;
    height:26px; padding:0 12px; border-radius:999px;
    font-size:12px; font-weight:600;
    background:rgba(255,255,255,.12); color:#fff;
    border:1px solid rgba(255,255,255,.22);
    font-variant-numeric:tabular-nums;
  }

  /* ---------- Section ---------- */
  .section{ padding:56px 0 0; }
  @media (min-width:1024px){ .section{ padding:76px 0 0; } }
  .section-head{ max-width:44em; margin-bottom:28px; }
  .section-title{ font-size:28px; line-height:1.3; font-weight:700; letter-spacing:-.01em; }
  @media (min-width:1024px){ .section-title{ font-size:32px; } }
  .section-desc{ margin-top:14px; font-size:16px; line-height:1.9; color:var(--muted); }
  .eyebrow-line{
    display:inline-flex; align-items:center; gap:8px;
    font-size:12px; font-weight:700; letter-spacing:.1em;
    color:var(--brand-500); text-transform:uppercase; margin-bottom:12px;
  }
  .eyebrow-line::before{ content:""; width:22px; height:3px; border-radius:2px; background:var(--accent); }

  /* ---------- Dimension strip ---------- */
  .dim-strip{
    display:grid; grid-template-columns:1fr; gap:0;
    border:1px solid var(--line); border-radius:var(--r-card);
    background:var(--paper); overflow:hidden;
  }
  @media (min-width:640px){ .dim-strip{ grid-template-columns:1fr 1fr; } }
  @media (min-width:1024px){ .dim-strip{ grid-template-columns:repeat(4,1fr); } }
  .dim-item{
    padding:22px 22px;
    border-bottom:1px solid var(--line);
  }
  @media (min-width:640px){
    .dim-item:nth-child(odd){ border-right:1px solid var(--line); }
    .dim-item:nth-last-child(-n+2){ border-bottom:0; }
  }
  @media (min-width:1024px){
    .dim-item{ border-bottom:0; border-right:1px solid var(--line); }
    .dim-item:nth-child(odd){ border-right:1px solid var(--line); }
    .dim-item:last-child{ border-right:0; }
  }
  .dim-num{
    font-size:13px; font-weight:800; color:var(--brand-500);
    font-variant-numeric:tabular-nums; letter-spacing:.06em;
  }
  .dim-name{ margin-top:8px; font-size:17px; font-weight:700; }
  .dim-text{ margin-top:8px; font-size:14px; line-height:1.75; color:var(--muted); }

  /* ---------- Observation list ---------- */
  .obs-list{
    border:1px solid var(--line); border-radius:var(--r-card);
    background:#fff; overflow:hidden; box-shadow:var(--shadow-1);
  }
  .obs-head{
    display:none;
    grid-template-columns:64px 1.6fr 1.4fr 48px;
    gap:20px; padding:14px 24px;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    font-size:13px; font-weight:700; color:var(--muted);
  }
  @media (min-width:900px){ .obs-head{ display:grid; } }

  .obs-row{
    display:grid;
    grid-template-columns:1fr 48px;
    gap:16px;
    padding:20px 20px;
    border-bottom:1px solid var(--line);
    transition:background-color .18s ease-out;
  }
  .obs-row:last-child{ border-bottom:0; }
  .obs-row:hover{ background:var(--paper); }
  @media (min-width:900px){
    .obs-row{
      grid-template-columns:64px 1.6fr 1.4fr 48px;
      gap:20px; align-items:center; padding:22px 24px;
    }
  }
  .obs-index{
    font-size:18px; font-weight:800; color:var(--brand-500);
    font-variant-numeric:tabular-nums; letter-spacing:.04em;
  }
  .obs-title{ font-size:18px; font-weight:600; line-height:1.5; }
  .obs-desc{ margin-top:6px; font-size:14px; line-height:1.75; color:var(--muted); }
  @media (min-width:900px){ .obs-desc{ margin-top:4px; } }
  .obs-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:12px; }
  @media (min-width:900px){ .obs-tags{ margin-top:10px; } }
  .tag{
    display:inline-flex; align-items:center;
    height:25px; padding:0 10px; border-radius:999px;
    font-size:12px; font-weight:600;
    background:var(--paper); color:var(--muted);
    border:1px solid var(--line);
  }
  .tag-accent{ background:var(--accent); color:var(--accent-ink); border-color:transparent; }
  .tag-warm{ background:rgba(255,106,43,.12); color:#A83A10; border-color:rgba(255,106,43,.28); }
  .obs-metric{
    font-size:14px; color:var(--muted); line-height:1.75;
    font-variant-numeric:tabular-nums;
  }
  @media (min-width:900px){ .obs-metric{ border-left:1px solid var(--line); padding-left:20px; } }
  .obs-arrow{
    width:40px; height:40px; border-radius:50%;
    border:1px solid var(--line); background:#fff;
    display:grid; place-items:center;
    color:var(--brand-700);
    transition:background-color .18s ease-out, border-color .18s ease-out, color .18s ease-out, transform .18s ease-out;
  }
  .obs-arrow svg{ width:16px; height:16px; }
  .obs-row:hover .obs-arrow{
    background:var(--brand-500); border-color:var(--brand-500);
    color:#fff; transform:translateX(2px);
  }
  .obs-row:focus-visible{ outline:2px solid var(--brand-500); outline-offset:-2px; }

  /* ---------- Media block ---------- */
  .media-block{
    display:grid; grid-template-columns:1fr; gap:28px; align-items:center;
    margin-top:8px;
  }
  @media (min-width:1024px){ .media-block{ grid-template-columns:45% 1fr; gap:44px; } }
  .ratio-16x9{
    position:relative; aspect-ratio:16 / 9;
    border-radius:var(--r-img); overflow:hidden; background:var(--paper);
    border:1px solid var(--line);
  }
  .ratio-16x9 img{ width:100%; height:100%; object-fit:cover; }

  .prose p{ font-size:16px; line-height:1.9; color:var(--ink); margin-bottom:1.15em; max-width:38em; }
  .prose p:last-child{ margin-bottom:0; }
  .prose h3{ font-size:20px; line-height:1.4; font-weight:600; margin:28px 0 12px; }
  .prose h3:first-child{ margin-top:0; }
  .check-list{ margin-top:18px; display:grid; gap:12px; }
  .check-list li{
    display:flex; gap:12px; align-items:flex-start;
    font-size:15px; line-height:1.8; color:var(--muted);
  }
  .check-list li::before{
    content:""; flex:0 0 auto; margin-top:9px;
    width:8px; height:8px; border-radius:2px;
    background:var(--brand-500);
  }

  /* ---------- Steps ---------- */
  .step-grid{ display:grid; grid-template-columns:1fr; gap:20px; }
  @media (min-width:768px){ .step-grid{ grid-template-columns:repeat(3,1fr); gap:24px; } }
  .step-card{
    border:1px solid var(--line); border-radius:var(--r-card);
    background:#fff; padding:24px 22px;
    transition:transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
  }
  .step-card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-2); border-color:rgba(23,140,99,.3); }
  .step-num{
    font-size:34px; font-weight:800; line-height:1;
    color:transparent; -webkit-text-stroke:1.5px var(--brand-500);
    font-variant-numeric:tabular-nums;
  }
  .step-name{ margin-top:14px; font-size:19px; font-weight:700; }
  .step-text{ margin-top:10px; font-size:15px; line-height:1.8; color:var(--muted); }

  /* ---------- Quotes ---------- */
  .quote-grid{ display:grid; grid-template-columns:1fr; gap:20px; }
  @media (min-width:768px){ .quote-grid{ grid-template-columns:repeat(3,1fr); gap:24px; } }
  .quote-card{
    border:1px solid var(--line); border-left:3px solid var(--accent);
    border-radius:12px; background:var(--paper);
    padding:22px 22px 20px;
  }
  .quote-text{ font-size:15px; line-height:1.85; color:var(--ink); }
  .quote-from{ margin-top:14px; font-size:13px; color:var(--muted); }

  /* ---------- FAQ ---------- */
  .faq-list{ display:grid; gap:12px; }
  .faq-item{
    position:relative;
    border:1px solid var(--line); border-radius:12px;
    background:#fff; overflow:hidden;
    transition:border-color .18s ease-out;
  }
  .faq-item:hover{ border-color:rgba(23,140,99,.3); }
  .faq-item[open]{ border-color:rgba(23,140,99,.45); }
  .faq-item[open]::before{
    content:""; position:absolute; left:0; top:8px; bottom:8px; width:3px;
    border-radius:2px; background:var(--accent);
  }
  .faq-item summary{
    list-style:none; cursor:pointer;
    min-height:56px; display:flex; align-items:center; justify-content:space-between; gap:16px;
    padding:14px 20px; font-size:16px; font-weight:600; line-height:1.6;
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-mark{
    flex:0 0 auto; width:22px; height:22px; border-radius:50%;
    border:1px solid var(--line); display:grid; place-items:center;
    font-size:14px; font-weight:700; color:var(--brand-700);
    transition:background-color .18s ease-out, color .18s ease-out, border-color .18s ease-out;
  }
  .faq-item[open] .faq-mark{ background:var(--brand-500); border-color:var(--brand-500); color:#fff; }
  .faq-answer{ padding:0 20px 20px; font-size:15px; line-height:1.85; color:var(--muted); max-width:52em; }

  /* ---------- CTA band ---------- */
  .cta-band{
    position:relative; margin-top:64px;
    border-radius:var(--r-kv); overflow:hidden; color:#fff;
    padding:44px 24px;
    background-image:
      linear-gradient(100deg, rgba(6,56,42,.96) 0%, rgba(14,92,65,.82) 52%, rgba(6,56,42,.55) 100%),
      url('/assets/images/backpic/back-2.webp');
    background-size:cover; background-position:center;
  }
  @media (min-width:768px){ .cta-band{ padding:56px 52px; margin-top:88px; } }
  .cta-inner{ display:grid; gap:24px; align-items:center; }
  @media (min-width:1024px){ .cta-inner{ grid-template-columns:1.5fr auto; gap:40px; } }
  .cta-title{ font-size:26px; line-height:1.35; font-weight:700; letter-spacing:-.01em; }
  @media (min-width:1024px){ .cta-title{ font-size:30px; } }
  .cta-text{ margin-top:12px; font-size:15px; line-height:1.85; color:rgba(255,255,255,.86); max-width:34em; }
  .cta-actions{ display:flex; flex-wrap:wrap; gap:12px; }

  /* ---------- Footer ---------- */
  .site-footer{
    margin-top:64px;
    background:var(--paper);
    border-top:1px solid var(--line);
  }
  @media (min-width:1024px){ .site-footer{ margin-top:88px; } }
  .footer-inner{ padding-top:48px; padding-bottom:24px; }
  .footer-grid{ display:grid; grid-template-columns:1fr 1fr; gap:28px 24px; }
  .footer-col:first-child{ grid-column:1 / -1; }
  @media (min-width:1024px){
    .footer-grid{ grid-template-columns:1.5fr 1fr 1fr 1fr; gap:32px; }
    .footer-col:first-child{ grid-column:auto; }
  }
  .footer-brand{ display:flex; align-items:center; gap:10px; }
  .footer-col p{ margin-top:14px; font-size:14px; line-height:1.85; color:var(--muted); max-width:32em; }
  .footer-col h4{ font-size:14px; font-weight:700; color:var(--ink); margin-bottom:14px; }
  .footer-col ul{ display:grid; gap:10px; }
  .footer-col ul a{ font-size:14px; color:var(--muted); }
  .footer-col ul a:hover{ color:var(--ink); }
  .footer-bottom{
    margin-top:36px; padding-top:20px;
    border-top:1px solid var(--line);
    display:flex; flex-direction:column; gap:8px;
    font-size:13px; color:var(--muted);
  }
  @media (min-width:768px){ .footer-bottom{ flex-direction:row; justify-content:space-between; align-items:center; gap:24px; } }

  @media (max-width:639px){
    .hero-actions .btn-primary,
    .hero-actions .btn-ghost{ width:100%; }
    .obs-index{ font-size:16px; }
  }
  @media (prefers-reduced-motion:reduce){
    *{ transition:none !important; animation:none !important; scroll-behavior:auto !important; }
  }

/* roulang page: category5 */
:root{
  --brand-900:#06382A;
  --brand-700:#0E5C41;
  --brand-500:#178C63;
  --accent:#C8F169;
  --accent-ink:#17300A;
  --warm:#FF6A2B;
  --ink:#0E1310;
  --muted:#5C6A62;
  --line:#E2E6DF;
  --paper:#F5F7F2;
  --white:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-kv:20px;
  --shadow-1:0 1px 2px rgba(14,19,16,.05), 0 10px 24px -14px rgba(14,19,16,.18);
  --shadow-2:0 14px 30px -14px rgba(14,19,16,.26);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.site-body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);
  background:var(--white);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

.container-x{max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.container-x{padding:0 24px}}
@media (min-width:1024px){.container-x{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid transparent;transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 8px 20px -16px rgba(14,19,16,.45)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:26px;height:26px;display:inline-flex;color:var(--brand-500)}
.brand-mark svg{width:100%;height:100%;fill:currentColor}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:8px}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--muted);padding:6px 2px;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:224px;padding:0 12px;
  border:1px solid var(--line);border-radius:10px;background:var(--white);transition:.18s ease;
}
.search-box:hover{border-color:#cfd7cd}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(23,140,99,.18)}
.search-box svg{width:16px;height:16px;flex:0 0 auto;fill:var(--muted)}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:var(--muted)}
.login-link{font-size:15px;font-weight:600;color:var(--muted);transition:color .18s ease}
.login-link:hover{color:var(--ink)}
.menu-btn{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;
  border:1px solid var(--line);border-radius:10px;background:var(--white);color:var(--ink);
}
.menu-btn svg{width:18px;height:18px;fill:currentColor}

/* buttons */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 26px;
  border:0;border-radius:var(--r-btn);background:var(--accent);color:var(--accent-ink);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary:hover{background:#bbe75b;transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 4px rgba(14,19,16,.18)}
.btn-primary.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 24px;
  border:1px solid var(--brand-500);border-radius:var(--r-btn);background:var(--white);
  color:var(--brand-700);font-size:15px;font-weight:700;
  transition:background .18s ease-out,transform .18s ease-out;
}
.btn-ghost:hover{background:rgba(23,140,99,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-on-dark{
  border-color:rgba(255,255,255,.5);background:transparent;color:#fff;
}
.btn-on-dark:hover{background:rgba(255,255,255,.12)}
.link-text{
  color:var(--ink);font-weight:600;border-bottom:1px dashed var(--muted);
  transition:color .18s ease,border-color .18s ease;
}
.link-text:hover{color:var(--brand-500);border-bottom-style:solid;border-color:var(--brand-500)}

/* mobile drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,19,16,.45);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--white);z-index:80;
  transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;
  padding:20px;gap:6px;box-shadow:-12px 0 32px -20px rgba(14,19,16,.5);
}
.mobile-drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:var(--white);
}
.drawer-close svg{width:16px;height:16px;fill:var(--ink)}
.drawer-link{
  display:block;padding:12px 10px;border-radius:10px;font-size:15px;font-weight:600;color:var(--muted);
}
.drawer-link:hover,.drawer-link.is-active{background:var(--paper);color:var(--ink)}
.drawer-foot{margin-top:auto;display:grid;gap:10px}
@media (max-width:1023px){
  .nav-links,.search-box,.login-link{display:none}
  .menu-btn{display:inline-flex}
  .header-inner{height:60px;gap:16px}
  .brand-name{font-size:17px}
}

/* ---------- breadcrumb ---------- */
.crumb{font-size:13px;color:var(--muted);padding:20px 0 0;display:flex;gap:8px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-500)}
.crumb .sep{opacity:.7}
.crumb .current{color:var(--ink);font-weight:600}

/* ---------- hero ---------- */
.page-hero{padding:20px 0 0}
.hero-panel{
  position:relative;border-radius:var(--r-kv);overflow:hidden;color:#fff;
  padding:52px 40px;min-height:320px;
  background-image:
    linear-gradient(104deg,rgba(6,56,42,.95) 0%,rgba(6,56,42,.78) 46%,rgba(6,56,42,.42) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover,cover;
  background-position:center,center;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(200,241,105,.16);color:var(--accent);font-size:12px;font-weight:700;
  border:1px solid rgba(200,241,105,.35);margin-bottom:16px;
}
.hero-panel h1{
  font-size:clamp(30px,4.6vw,50px);line-height:1.16;font-weight:800;letter-spacing:-.01em;
  max-width:19em;margin-bottom:16px;
}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.88);max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-meta div{min-width:150px}
.hero-meta dt{font-size:12px;color:rgba(255,255,255,.62);letter-spacing:.04em}
.hero-meta dd{margin:2px 0 0;font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}
@media (max-width:767px){
  .hero-panel{padding:32px 20px;min-height:0;border-radius:16px}
  .hero-panel h1{font-size:clamp(26px,7.6vw,34px)}
  .hero-lead{font-size:16px}
  .hero-meta{gap:16px}
}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-paper{background:var(--paper)}
.section-head{max-width:46em;margin-bottom:32px}
.section-head h2{
  font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em;margin-bottom:12px;
}
.section-head p{color:var(--muted);font-size:16px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand-700);
  text-transform:uppercase;margin-bottom:10px;
}

/* ---------- magazine layout ---------- */
.mag-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:1024px){
  .mag-grid{grid-template-columns:1.55fr 1fr;align-items:start}
}
.mag-stack{display:grid;gap:20px}
@media (min-width:1024px){
  .mag-stack .mag-mini:nth-child(2){margin-top:24px}
  .mag-stack .mag-mini:nth-child(3){margin-top:-8px}
}
.mag-row2{display:grid;gap:24px;margin-top:24px;grid-template-columns:1fr}
@media (min-width:768px){.mag-row2{grid-template-columns:1fr 1fr}}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  display:block;height:100%;
}
.card:hover{transform:translateY(-2px);border-color:rgba(23,140,99,.35);box-shadow:var(--shadow-2)}
.thumb{aspect-ratio:16/9;background:var(--paper);overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.card:hover .thumb img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px}
.card h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:8px}
.card p{font-size:15px;line-height:1.75;color:var(--muted)}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;font-size:13px;color:var(--muted);
}
.mag-feature .card-body{padding:26px 26px 28px}
.mag-feature h3{font-size:clamp(21px,2.4vw,26px);font-weight:700}
.mag-feature p{font-size:16px;max-width:38em}
.mag-mini{display:flex;gap:16px;align-items:flex-start;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:16px;transition:.18s ease-out}
.mag-mini:hover{transform:translateY(-2px);border-color:rgba(23,140,99,.35);box-shadow:var(--shadow-2)}
.mag-mini .mini-thumb{flex:0 0 108px;width:108px;aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:var(--paper)}
.mag-mini .mini-thumb img{width:100%;height:100%;object-fit:cover}
.mag-mini h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:6px}
.mag-mini p{font-size:14px;line-height:1.7;color:var(--muted)}
@media (max-width:520px){
  .mag-mini{flex-direction:column}
  .mag-mini .mini-thumb{width:100%;flex:none;aspect-ratio:16/9}
}

.badges{display:flex;flex-wrap:wrap;gap:8px}
.badge{
  display:inline-flex;align-items:center;height:25px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--paper);color:var(--muted);border:1px solid var(--line);
}
.badge-accent{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.badge-warm{background:var(--warm);color:#fff;border-color:transparent}

/* ---------- steps ---------- */
.steps{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){.steps{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;transition:.18s ease-out;
}
.step:hover{transform:translateY(-2px);border-color:rgba(23,140,99,.35);box-shadow:var(--shadow-2)}
.step-num{
  font-size:34px;font-weight:800;line-height:1;color:var(--brand-500);
  font-variant-numeric:tabular-nums;opacity:.85;margin-bottom:14px;display:block;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step p{font-size:15px;line-height:1.78;color:var(--muted)}

.progress-wrap{margin-top:36px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.progress-wrap h3{font-size:17px;font-weight:700;margin-bottom:6px}
.progress-wrap .hint{font-size:13px;color:var(--muted);margin-bottom:20px}
.track{height:8px;border-radius:999px;background:var(--line);overflow:hidden}
.track span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--brand-500))}
.progress-row{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px;margin-bottom:10px}
.progress-row .stage{font-weight:600}
.progress-row .pct{color:var(--muted);font-variant-numeric:tabular-nums}
.progress-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:768px){.progress-grid{grid-template-columns:1fr 1fr}}

/* ---------- notes list ---------- */
.notes-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:1024px){.notes-grid{grid-template-columns:1fr 1fr;align-items:start}}
.note-list{display:grid;gap:14px}
.note-item{
  display:flex;gap:14px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;transition:.18s ease-out;
}
.note-item:hover{border-color:rgba(23,140,99,.35);box-shadow:var(--shadow-1)}
.note-dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(23,140,99,.1);
  color:var(--brand-700);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.note-item h3{font-size:16px;font-weight:600;margin-bottom:4px}
.note-item p{font-size:14px;line-height:1.75;color:var(--muted)}

.quote-card{
  background:var(--paper);border-radius:var(--r-card);padding:22px 24px;border-left:3px solid var(--accent);
  height:100%;
}
.quote-card p{font-size:15px;line-height:1.85;color:var(--ink)}
.quote-card .who{margin-top:14px;font-size:13px;color:var(--muted)}
.quotes{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.quotes{grid-template-columns:repeat(3,1fr)}}

/* ---------- faq ---------- */
.faq-list{max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:12px;background:var(--white);margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(23,140,99,.35)}
.faq-item[open]{box-shadow:var(--shadow-1);border-color:rgba(23,140,99,.4)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 20px;font-size:16px;font-weight:600;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:20px;font-weight:700;color:var(--brand-700);line-height:1;
  width:24px;text-align:center;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:focus-visible{outline:2px solid var(--brand-500);outline-offset:-2px}
.faq-answer{
  padding:0 20px 18px 20px;font-size:15px;line-height:1.85;color:var(--muted);
  border-left:3px solid transparent;transition:border-color .2s ease;
}
.faq-item[open] .faq-answer{border-left-color:var(--accent)}

/* ---------- cta ---------- */
.cta-wrap{padding:56px 0}
@media (min-width:1024px){.cta-wrap{padding:80px 0}}
.cta-band{
  position:relative;border-radius:var(--r-kv);overflow:hidden;color:#fff;padding:48px 40px;
  background-image:
    linear-gradient(100deg,rgba(6,56,42,.95) 0%,rgba(14,92,65,.78) 55%,rgba(14,92,65,.42) 100%),
    url('/assets/images/backpic/back-3.png');
  background-size:cover,cover;background-position:center,center;
}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;margin-bottom:12px;max-width:20em}
.cta-band p{color:rgba(255,255,255,.85);font-size:16px;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
@media (max-width:767px){.cta-band{padding:32px 20px;border-radius:16px}}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:0}
.footer-inner{padding:56px 0 24px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{color:var(--accent);width:26px;height:26px}
.footer-brand .brand-name{color:#fff;font-size:18px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col li{font-size:14px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:14px;line-height:1.85;max-width:34em;color:rgba(255,255,255,.72)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (max-width:520px){
  .footer-bottom{flex-direction:column}
}