/* roulang page: index */
:root{
  --ink:#0A231C;
  --brand:#0E5340;
  --brand-deep:#0A3B2D;
  --brand-soft:#E8F1EC;
  --lime:#C9F24D;
  --coral:#FF7A45;
  --sand:#F6F3EA;
  --paper:#FFFFFF;
  --muted:#5C6E67;
  --line:#E1E6E1;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --radius-lg:22px;
  --shadow:0 1px 2px rgba(10,35,28,.06), 0 12px 28px -12px rgba(10,35,28,.18);
  --shadow-hover:0 2px 4px rgba(10,35,28,.08), 0 18px 38px -14px rgba(10,35,28,.26);
  --pad-x:clamp(16px,4vw,32px);
  --section-gap:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
.num,.tabular{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:var(--pad-x);padding-right:var(--pad-x)}
.section{padding-top:var(--section-gap);padding-bottom:var(--section-gap)}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,44px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3;font-weight:700;letter-spacing:-0.01em;margin-bottom:16px}
.lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:640px}
.section-title-cn{margin-top:0}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:0 6px 22px -14px rgba(10,35,28,.35);
  border-bottom-color:transparent;
}
.nav-grid{
  height:72px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
}
.nav-left{display:flex;align-items:center;gap:22px;justify-content:flex-start}
.nav-right{display:flex;align-items:center;gap:18px;justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink);
  padding:8px 2px;transition:color .18s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--brand)}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{transform:scaleX(1);background:var(--brand)}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-0.01em;color:var(--ink);white-space:nowrap;
}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  display:grid;place-items:center;flex:none;
  box-shadow:0 6px 14px -6px rgba(14,83,64,.7);
}
.brand-mark span{
  width:10px;height:10px;background:var(--lime);border-radius:2px;transform:rotate(45deg);display:block;
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:700;
  border-bottom:3px solid var(--brand-deep);
  transition:transform .18s ease, background .18s ease;
}
.nav-cta:hover{background:#10634c;transform:translateY(-1px)}

.hamburger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:#fff;
}
.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}

.mobile-cta{display:none}
.mobile-drawer{
  position:fixed;inset:72px 0 0 0;z-index:55;
  background:var(--sand);padding:20px var(--pad-x) 40px;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity .22s ease, transform .22s ease, visibility .22s;
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;font-size:18px;font-weight:600;
  border-bottom:1px solid rgba(10,35,28,.1);
}
.mobile-drawer a.drawer-link.is-active{color:var(--brand)}
.mobile-drawer a.drawer-link.is-active::after{
  content:"";width:10px;height:10px;background:var(--lime);border-radius:3px;transform:rotate(45deg);
}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;
  margin-top:26px;height:52px;border-radius:999px;
  background:var(--brand);color:#fff;font-weight:700;font-size:16px;
  border-bottom:3px solid var(--brand-deep);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
}
.btn-primary{
  background:var(--brand);color:#fff;border-bottom:3px solid var(--brand-deep);
}
.btn-primary:hover{background:#11614a;transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(14,83,64,.9)}
.btn-secondary{
  background:transparent;color:var(--brand);border:1.5px solid var(--brand);
}
.btn-secondary:hover{background:var(--brand-soft)}
.btn-ghost{
  background:transparent;color:var(--lime);border:1.5px solid rgba(201,242,77,.55);
}
.btn-ghost:hover{background:rgba(201,242,77,.12);border-color:var(--lime)}
.btn-block{width:100%}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.7;
}
.badge-brand{background:var(--brand-soft);color:var(--brand)}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-coral{background:var(--coral);color:#fff}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding-top:72px}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(10,35,28,.97) 0%, rgba(10,35,28,.88) 42%, rgba(10,35,28,.62) 100%);
}
.hero-lines{
  position:absolute;inset:0;opacity:.16;
  background-image:repeating-linear-gradient(115deg, rgba(201,242,77,.28) 0 1px, transparent 1px 26px);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(28px,4vw,56px);align-items:center;
  padding-top:clamp(48px,7vw,84px);padding-bottom:clamp(36px,5vw,56px);
}
.hero h1{
  font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-0.02em;
  margin:20px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:clamp(16px,1.6vw,18px);line-height:1.85;color:rgba(246,243,234,.82);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  box-shadow:0 26px 60px -26px rgba(0,0,0,.85), inset 0 0 0 1px rgba(255,255,255,.12);
}
.hero-float{
  position:absolute;left:-14px;bottom:22px;
  background:var(--lime);color:var(--ink);
  padding:10px 18px;border-radius:999px;font-size:13px;font-weight:700;
  box-shadow:0 14px 30px -12px rgba(0,0,0,.6);
}
.hero-stats{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:rgba(255,255,255,.16);
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stat{background:rgba(10,35,28,.72);padding:22px clamp(14px,2.4vw,26px)}
.hero-stat b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--lime);line-height:1.25}
.hero-stat span{display:block;font-size:13px;color:rgba(246,243,234,.72);margin-top:4px}

/* ---------- steps ---------- */
.flow{padding:var(--section-gap) 0;background:var(--sand)}
.step-item{
  display:grid;grid-template-columns:76px minmax(0,1fr) minmax(0,1fr);
  gap:clamp(18px,3vw,34px);align-items:center;padding:22px 0;
}
.step-rail{position:relative;display:flex;justify-content:center;align-self:stretch}
.step-dot{
  width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;font-weight:800;font-size:17px;
  display:grid;place-items:center;flex:none;
  font-variant-numeric:tabular-nums;
  box-shadow:0 12px 24px -12px rgba(14,83,64,.8);
}
.step-rail::after{
  content:"";position:absolute;top:54px;bottom:-22px;width:2px;
  background:linear-gradient(180deg, rgba(14,83,64,.4), rgba(14,83,64,.08));
}
.step-item:last-child .step-rail::after{display:none}
.step-body h3{font-size:20px;font-weight:700;margin-bottom:8px}
.step-body p{font-size:15.5px;color:var(--muted);line-height:1.85}
.step-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.step-item.rev .step-body{order:3}
.step-item.rev .step-media{order:2}

/* ---------- reward ---------- */
.rewards{background:var(--paper);border-top:3px solid var(--lime)}
.reward-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.reward-card{
  position:relative;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow);
  transition:transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
}
.reward-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.reward-card::after{
  content:"";position:absolute;top:18px;right:18px;width:9px;height:9px;
  border-top:2px solid var(--brand);border-right:2px solid var(--brand);border-radius:2px;
  opacity:0;transition:opacity .18s ease, transform .18s ease;transform:translate(-4px,4px);
}
.reward-card:hover::after{opacity:1;transform:translate(0,0)}
.reward-thumb{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);
  box-shadow:inset 0 0 0 3px rgba(10,35,28,.05);margin-bottom:16px;
}
.reward-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.reward-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:14px}
.reward-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px dashed var(--line);padding-top:12px}

/* ---------- progress ---------- */
.progress-block{background:var(--brand-deep);color:#fff;padding:var(--section-gap) 0}
.progress-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(28px,4vw,56px);align-items:center}
.task-list{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.task-item{
  display:grid;grid-template-columns:14px minmax(0,1fr) auto;gap:14px;align-items:center;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:14px 18px;
}
.task-item.is-done{opacity:1}
.task-item.is-todo{opacity:.45}
.task-dot{
  width:12px;height:12px;border-radius:50%;border:2px solid rgba(255,255,255,.45);
}
.task-item.is-done .task-dot{background:var(--lime);border-color:var(--lime)}
.task-name{font-size:15px;font-weight:600}
.task-val{font-size:14px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums}
.task-item.is-todo .task-val{color:rgba(246,243,234,.6)}
.bar{
  height:14px;border-radius:999px;background:rgba(0,0,0,.42);
  overflow:hidden;margin-top:22px;border:1px dashed rgba(255,255,255,.22);
}
.bar-fill{
  height:100%;width:68%;border-radius:999px;
  background-image:linear-gradient(90deg,var(--lime) 0 60%, #b6e039 60% 100%);
  background-size:22px 100%;
  box-shadow:0 0 0 1px rgba(201,242,77,.35);
}
.progress-side{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);padding:28px;text-align:center;
}
.ring{position:relative;width:180px;height:180px;margin:0 auto 18px}
.ring svg{transform:rotate(-90deg)}
.ring-num{
  position:absolute;inset:0;display:grid;place-items:center;
  font-size:34px;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;
}
.progress-side p{font-size:14.5px;color:rgba(246,243,234,.75);margin-bottom:18px;line-height:1.8}

/* ---------- proof ---------- */
.proof{background:var(--sand)}
.proof-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.proof-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow);
}
.proof-card p{font-size:15.5px;line-height:1.9;color:var(--ink);margin:14px 0 18px}
.proof-meta{display:flex;align-items:center;gap:10px;border-top:1px dashed var(--line);padding-top:14px}
.proof-avatar{
  width:38px;height:38px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-weight:700;font-size:14px;flex:none;
}
.proof-meta b{display:block;font-size:14px;font-weight:700}
.proof-meta span{display:block;font-size:12.5px;color:var(--muted)}
.proof-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  margin-top:32px;background:var(--brand-soft);border-radius:var(--radius-lg);padding:26px clamp(18px,3vw,32px);
}
.proof-stats div b{display:block;font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.proof-stats div span{font-size:13.5px;color:var(--muted)}

/* ---------- cta ---------- */
.cta-band{position:relative;background:var(--sand);overflow:hidden;padding:var(--section-gap) 0}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:repeating-linear-gradient(135deg, rgba(14,83,64,.06) 0 1px, transparent 1px 18px);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:340px;height:340px;border-radius:50%;
  border:36px solid rgba(201,242,77,.28);
}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:clamp(24px,3.4vw,36px);font-weight:800;line-height:1.3;letter-spacing:-0.01em;margin-bottom:16px}
.cta-inner p{color:var(--muted);margin-bottom:30px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- cms list ---------- */
.news{background:var(--paper)}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:clamp(24px,3.4vw,40px)}
.link-more{font-size:14.5px;font-weight:700;color:var(--brand);border-bottom:1px solid rgba(14,83,64,.35);padding-bottom:2px;transition:color .18s ease,border-color .18s ease}
.link-more:hover{color:var(--brand-deep);border-color:var(--lime)}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow);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-hover);border-color:var(--brand)}
.post-media{position:relative}
.post-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-media .badge{position:absolute;top:12px;left:12px}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1}
.post-body h3{
  font-size:17px;font-weight:700;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:14.5px;color:var(--muted);line-height:1.8;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px dashed var(--line);margin-top:16px;padding-top:12px;
  font-size:13px;color:var(--muted);
}
.post-foot .go{font-weight:700;color:var(--brand)}
.empty-state{
  grid-column:1/-1;min-height:220px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--sand);padding:36px 20px;
}
.empty-icon{
  width:54px;height:54px;border-radius:16px;border:2px solid var(--brand-soft);
  display:grid;place-items:center;color:var(--brand);font-size:22px;font-weight:800;
}

/* ---------- faq ---------- */
.faq{background:var(--sand)}
.faq-wrap{max-width:820px}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item::before{
  content:"";position:absolute;left:-16px;top:20px;bottom:20px;width:3px;border-radius:3px;
  background:var(--lime);opacity:0;transition:opacity .2s ease;
}
.faq-item[open]::before{opacity:1}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 34px 20px 0;
  font-size:17px;font-weight:600;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:6px;top:29px;width:9px;height:9px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);top:33px}
.faq-item .faq-answer{padding:0 34px 22px 0;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(246,243,234,.78);padding:clamp(48px,6vw,72px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:clamp(24px,3vw,44px)}
.footer-brand .brand{color:#fff}
.footer-brand p{font-size:14.5px;line-height:1.9;color:rgba(246,243,234,.62);margin-top:16px;max-width:300px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-col a,.footer-col li{
  display:block;font-size:14.5px;color:rgba(246,243,234,.72);padding:6px 0;
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:clamp(32px,5vw,56px);border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(246,243,234,.55);
}
.footer-bottom .tabular{font-variant-numeric:tabular-nums}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-left,.nav-right{display:none}
  .nav-grid{grid-template-columns:auto 1fr auto;gap:12px}
  .hamburger{display:inline-flex}
  .mobile-cta{
    display:inline-flex;align-items:center;justify-content:center;
    height:40px;padding:0 16px;border-radius:999px;background:var(--brand);color:#fff;
    font-size:13.5px;font-weight:700;border-bottom:3px solid var(--brand-deep);
  }
  .hero-inner{grid-template-columns:1fr;padding-top:44px}
  .hero-visual{order:-1}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .step-item,.step-item.rev{grid-template-columns:60px minmax(0,1fr);align-items:flex-start}
  .step-item.rev .step-body{order:2}
  .step-item.rev .step-media{order:3}
  .step-media{grid-column:2}
  .reward-grid,.news-grid,.proof-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .progress-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .section{padding-top:56px;padding-bottom:56px}
  .flow,.progress-block,.cta-band{padding-top:56px;padding-bottom:56px}
  .hero-stat{padding:18px 16px}
  .reward-grid,.news-grid,.proof-grid{grid-template-columns:1fr}
  .proof-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .step-item,.step-item.rev{grid-template-columns:52px minmax(0,1fr);padding:16px 0}
  .step-dot{width:42px;height:42px;font-size:15px}
  .step-rail::after{top:48px}
  .faq-item::before{left:-10px}
  .footer-grid{grid-template-columns:1fr}
  .hero-float{left:8px;bottom:12px;padding:8px 14px;font-size:12px}
}
@media (max-width:520px){
  .brand{font-size:16.5px}
  .brand-mark{width:26px;height:26px}
  .btn{width:100%}
  .hero-actions,.cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
    --ink:#0A231C;
    --brand:#0E5340;
    --brand-deep:#0A3B2D;
    --brand-soft:#E8F1EC;
    --lime:#C9F24D;
    --coral:#FF7A45;
    --sand:#F6F3EA;
    --paper:#FFFFFF;
    --muted:#5C6E67;
    --line:#E1E6E1;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-img:14px;
    --shadow-card:0 1px 2px rgba(10,35,28,.06), 0 12px 28px -12px rgba(10,35,28,.18);
    --shadow-lift:0 2px 4px rgba(10,35,28,.08), 0 20px 38px -16px rgba(10,35,28,.28);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.9;
    color:var(--ink);
    background:var(--sand);
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul{padding:0;list-style:none;}
  .tabular{font-variant-numeric:tabular-nums;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,32px);}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.88);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:background .25s ease-out, box-shadow .25s ease-out;
  }
  .site-header.scrolled{background:#fff;box-shadow:0 12px 30px -20px rgba(10,35,28,.45);}
  .nav-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:72px;}
  .nav-left{display:flex;align-items:center;gap:26px;justify-self:start;}
  .nav-right{display:flex;align-items:center;gap:20px;justify-self:end;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    min-height:44px;font-size:15px;font-weight:600;color:var(--muted);
    transition:color .18s ease-out;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
    background:var(--brand);transform:scaleX(0);transform-origin:left;
    transition:transform .18s ease-out;
  }
  .nav-link:hover{color:var(--brand);}
  .nav-link:hover::after,
  .nav-link.active::after{transform:scaleX(1);}
  .nav-link.active{color:var(--ink);}
  .brand{
    display:inline-flex;align-items:center;gap:10px;
    font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
    justify-self:center;white-space:nowrap;
  }
  .brand-mark{
    width:28px;height:28px;border-radius:9px;background:var(--brand);
    display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
  }
  .brand-mark span{width:11px;height:11px;border-radius:3px;background:var(--lime);display:block;}
  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
    background:#fff;cursor:pointer;color:var(--ink);
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
    transition:transform .2s ease-out;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-cta-mobile{display:none;}

  .mobile-drawer{
    position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;
    background:var(--sand);border-top:1px solid var(--line);
    padding:8px 0 32px;overflow-y:auto;
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .22s ease-out, transform .22s ease-out;
  }
  .mobile-drawer.open{opacity:1;transform:none;pointer-events:auto;}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    font-size:18px;font-weight:600;line-height:56px;
    border-bottom:1px solid var(--line);padding:0 clamp(16px,4vw,32px);
    transition:color .18s ease-out;
  }
  .drawer-link:hover,.drawer-link.active{color:var(--brand);}
  .drawer-link.active::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--lime);margin-right:10px;}
  .drawer-cta{padding:24px clamp(16px,4vw,32px) 0;}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:48px;padding:0 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:700;cursor:pointer;border:0;
    transition:transform .18s ease-out, background .18s ease-out, border-color .18s ease-out, color .18s ease-out;
    text-align:center;
  }
  .btn-sm{min-height:44px;padding:0 18px;font-size:14px;}
  .btn-primary{
    background:var(--brand);color:#fff;
    box-shadow:inset 0 -3px 0 var(--brand-deep), var(--shadow-card);
  }
  .btn-primary:hover{background:#116b52;transform:translateY(-1px);box-shadow:inset 0 -3px 0 var(--brand-deep), var(--shadow-lift);}
  .btn-secondary{
    background:transparent;color:var(--brand);border:1.5px solid var(--brand);
  }
  .btn-secondary:hover{background:var(--brand-soft);transform:translateY(-1px);}
  .btn-ghost{background:transparent;color:var(--lime);border:1.5px solid rgba(201,242,77,.6);}
  .btn-ghost:hover{background:rgba(201,242,77,.12);transform:translateY(-1px);}
  .btn-pill{border-radius:999px;}

  /* ============ 标签徽章 ============ */
  .pill{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .pill-brand{background:var(--brand-soft);color:var(--brand);}
  .pill-lime{background:var(--lime);color:var(--ink);}
  .pill-coral{background:var(--coral);color:#fff;}
  .pill-outline{border:1px solid rgba(255,255,255,.35);color:#EAF2ED;}

  /* ============ 横幅 ============ */
  .page-banner{
    position:relative;overflow:hidden;background:var(--ink);color:#fff;
  }
  .banner-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    opacity:.3;
  }
  .page-banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg, rgba(10,35,28,.96) 0%, rgba(10,35,28,.78) 46%, rgba(14,83,64,.5) 100%);
  }
  .banner-inner{
    position:relative;z-index:2;
    padding-top:clamp(40px,6vw,64px);
    padding-bottom:clamp(40px,6vw,60px);
    min-height:300px;display:flex;flex-direction:column;justify-content:center;
  }
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(246,243,234,.72);margin-bottom:18px;}
  .breadcrumb a{transition:color .18s ease-out;}
  .breadcrumb a:hover{color:var(--lime);}
  .breadcrumb .sep{opacity:.5;}
  .breadcrumb .current{color:#F6F3EA;}
  .page-banner h1{
    font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
    max-width:760px;
  }
  .banner-lead{
    margin-top:16px;max-width:640px;
    font-size:16px;line-height:1.9;color:rgba(246,243,234,.82);
  }
  .banner-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:14px;
    margin-top:24px;font-size:14px;color:rgba(246,243,234,.78);
  }

  /* ============ 通用板块 ============ */
  .section{padding:clamp(56px,7vw,104px) 0;}
  .section-sand{background:var(--sand);}
  .section-paper{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-deep{background:var(--brand-deep);color:#F6F3EA;}
  .section-title{font-size:clamp(24px,3.2vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em;margin-top:56px;margin-bottom:16px;}
  .section-title:first-child{margin-top:0;}
  .section-sub{font-size:15px;color:var(--muted);max-width:640px;}
  .section-deep .section-sub{color:rgba(246,243,234,.74);}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--brand);
    text-transform:uppercase;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px;}
  .section-deep .eyebrow{color:var(--lime);}

  /* ============ 概览：左图文 + 右要点 ============ */
  .overview-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,3vw,40px);align-items:start;margin-top:36px;}
  .overview-figure{
    border-radius:var(--radius-card);overflow:hidden;background:var(--paper);
    border:1px solid var(--line);box-shadow:var(--shadow-card);
  }
  .overview-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .overview-text{margin-top:22px;}
  .overview-text p{color:var(--muted);font-size:15.5px;}
  .overview-text p + p{margin-top:1.15em;}
  .keypoint-panel{
    background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:26px 24px;box-shadow:var(--shadow-card);
  }
  .keypoint-panel h3{font-size:20px;line-height:1.5;font-weight:700;margin-bottom:6px;}
  .keypoint-panel .hint{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
  .keypoint-list li{
    position:relative;padding-left:22px;padding-block:10px;
    font-size:15px;color:var(--ink);border-top:1px dashed var(--line);
  }
  .keypoint-list li:first-child{border-top:0;}
  .keypoint-list li::before{
    content:"";position:absolute;left:0;top:19px;
    width:9px;height:9px;border-radius:50%;background:var(--lime);
    box-shadow:0 0 0 3px rgba(201,242,77,.22);
  }
  .keypoint-list li span{display:block;font-size:13.5px;color:var(--muted);line-height:1.75;}

  /* ============ 特征卡 2×2 ============ */
  .feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:36px;}
  .card{
    background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px;box-shadow:var(--shadow-card);
    transition:transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:var(--brand);}
  .card-icon{
    width:46px;height:46px;border-radius:12px;background:var(--brand-soft);
    display:flex;align-items:center;justify-content:center;color:var(--brand);
    margin-bottom:16px;
  }
  .card h3{font-size:20px;line-height:1.5;font-weight:700;margin-bottom:10px;}
  .card p{font-size:15px;color:var(--muted);}
  .card-meta{
    margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    font-size:13px;color:var(--muted);
  }
  .card-arrow{color:var(--brand);font-weight:700;transition:transform .18s ease-out;}
  .card:hover .card-arrow{transform:translateX(4px);}

  /* ============ 任务轴 ============ */
  .task-axis{margin-top:40px;position:relative;}
  .task-item{display:grid;grid-template-columns:56px 1fr;gap:22px;padding-bottom:40px;position:relative;}
  .task-item:last-child{padding-bottom:0;}
  .task-item::before{
    content:"";position:absolute;left:27px;top:56px;bottom:0;width:2px;
    background:linear-gradient(180deg,var(--brand) 0%, var(--line) 100%);
  }
  .task-item:last-child::before{display:none;}
  .task-node{
    width:56px;height:56px;border-radius:50%;background:var(--brand);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-weight:800;font-size:17px;font-variant-numeric:tabular-nums;
    box-shadow:0 0 0 6px rgba(14,83,64,.1);
  }
  .task-body{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;box-shadow:var(--shadow-card);}
  .task-body h3{font-size:19px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
  .task-body p{font-size:15px;color:var(--muted);}

  /* ============ 计分图文 ============ */
  .score-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,3vw,44px);align-items:center;margin-top:36px;}
  .score-figure{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);background:var(--paper);}
  .score-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .score-figure figcaption{padding:12px 16px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);}
  .score-list li{
    border-top:1px dashed rgba(246,243,234,.28);padding:16px 0;
    display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  }
  .score-list li:first-child{border-top:0;padding-top:0;}
  .score-list .name{font-weight:600;font-size:15.5px;color:#F6F3EA;}
  .score-list .desc{font-size:13.5px;color:rgba(246,243,234,.7);display:block;margin-top:4px;}
  .score-list .num{font-size:20px;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;white-space:nowrap;}

  /* ============ FAQ ============ */
  .faq-wrap{max-width:820px;margin-top:32px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 6px;font-size:17px;font-weight:600;transition:color .18s ease-out;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--brand);}
  .faq-item[open] summary{color:var(--brand);}
  .faq-icon{
    width:24px;height:24px;flex-shrink:0;border-radius:50%;border:1.5px solid var(--line);
    position:relative;transition:border-color .18s ease-out, background .18s ease-out;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--brand);
    transform:translate(-50%,-50%);transition:opacity .18s ease-out, transform .18s ease-out;
  }
  .faq-icon::before{width:10px;height:1.6px;}
  .faq-icon::after{width:1.6px;height:10px;}
  .faq-item[open] .faq-icon{border-color:var(--brand);background:var(--brand-soft);}
  .faq-item[open] .faq-icon::after{opacity:0;}
  .faq-item[open]{box-shadow:inset 3px 0 0 var(--lime);}
  .faq-answer{padding:0 6px 22px 6px;font-size:15px;line-height:1.85;color:var(--muted);}

  /* ============ CTA ============ */
  .cta-band{position:relative;overflow:hidden;}
  .cta-band::before{
    content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
    background:radial-gradient(circle, rgba(201,242,77,.28) 0%, rgba(201,242,77,0) 68%);
  }
  .cta-inner{
    position:relative;z-index:2;max-width:720px;margin:0 auto;text-align:center;
    padding:clamp(40px,6vw,72px) clamp(24px,4vw,48px);
    background:var(--paper);border:1px solid var(--line);border-radius:24px;
    box-shadow:var(--shadow-card);
  }
  .cta-inner h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
  .cta-inner p{margin-top:14px;font-size:15.5px;color:var(--muted);}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--ink);color:rgba(246,243,234,.78);padding:clamp(48px,6vw,72px) 0 24px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
  .footer-brand .brand{color:#F6F3EA;justify-self:start;font-size:18px;}
  .footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(246,243,234,.68);max-width:320px;}
  .footer-col h4{font-size:15px;font-weight:700;color:#F6F3EA;margin-bottom:14px;}
  .footer-col a{
    display:block;font-size:14px;padding:7px 0;color:rgba(246,243,234,.72);
    transition:color .18s ease-out;
  }
  .footer-col a:hover{color:var(--lime);}
  .footer-col ul li{
    font-size:14px;padding:7px 0;color:rgba(246,243,234,.68);position:relative;padding-left:14px;
  }
  .footer-col ul li::before{
    content:"";position:absolute;left:0;top:16px;width:5px;height:5px;border-radius:50%;background:var(--lime);
  }
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(246,243,234,.14);
    display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:13px;color:rgba(246,243,234,.6);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .nav-inner{grid-template-columns:auto 1fr auto;height:64px;}
    .nav-left,.nav-right{display:none;}
    .nav-toggle{display:inline-flex;}
    .nav-cta-mobile{display:inline-flex;justify-self:end;min-height:44px;padding:0 16px;font-size:14px;}
    .brand{font-size:17px;}
    .overview-grid{grid-template-columns:1fr;}
    .score-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (min-width:1024px){
    .mobile-drawer{display:none;}
  }
  @media (max-width:767px){
    .feature-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .task-item{grid-template-columns:44px 1fr;gap:16px;}
    .task-node{width:44px;height:44px;font-size:15px;}
    .task-item::before{left:21px;top:44px;}
    .cta-actions .btn{width:100%;}
    .banner-meta{font-size:13px;}
  }
  @media (max-width:520px){
    .keypoint-panel,.card,.task-body{padding:20px;}
    .breadcrumb{font-size:12px;}
  }

/* roulang page: article */
:root{
    --ink:#0A231C;
    --brand:#0E5340;
    --brand-deep:#0A3B2D;
    --brand-soft:#E8F1EC;
    --lime:#C9F24D;
    --coral:#FF7A45;
    --sand:#F6F3EA;
    --paper:#FFFFFF;
    --muted:#5C6E67;
    --line:#E1E6E1;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-img:14px;
    --shadow:0 1px 2px rgba(10,35,28,.06), 0 12px 28px -12px rgba(10,35,28,.18);
    --shadow-hover:0 2px 4px rgba(10,35,28,.08), 0 18px 36px -14px rgba(10,35,28,.26);
  }

  *,*::before,*::after{box-sizing:border-box;}

  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    background:var(--sand);
    color:#25352F;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }

  img{max-width:100%;display:block;}
  a{color:inherit;}
  button{font-family:inherit;}
  .tabular{font-variant-numeric:tabular-nums;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:clamp(16px,4vw,32px);
    padding-right:clamp(16px,4vw,32px);
  }

  a:focus-visible,
  button:focus-visible{
    outline:2px solid var(--lime);
    outline-offset:2px;
    border-radius:8px;
  }

  /* ---------- Header / Nav ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(255,255,255,.94);
    border-bottom:1px solid var(--line);
    transition:background-color .18s ease-out, box-shadow .18s ease-out;
  }
  .site-header.is-scrolled{
    background:#FFFFFF;
    box-shadow:0 1px 2px rgba(10,35,28,.06), 0 12px 28px -18px rgba(10,35,28,.30);
  }
  .nav-grid{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:16px;
    height:72px;
    position:relative;
  }
  .nav-left{
    display:flex;
    align-items:center;
    gap:26px;
    justify-content:flex-start;
  }
  .nav-right{
    display:flex;
    align-items:center;
    gap:18px;
    justify-content:flex-end;
  }
  .nav-link{
    position:relative;
    font-size:15px;
    font-weight:500;
    color:#2C423A;
    text-decoration:none;
    padding:6px 0;
    transition:color .18s ease-out;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:-2px;
    height:2px;
    background:var(--lime);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .18s ease-out;
  }
  .nav-link:hover{color:var(--brand);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--brand);font-weight:600;}
  .nav-link.is-active::after{transform:scaleX(1);background:var(--brand);}

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:19px;
    font-weight:800;
    letter-spacing:-.01em;
    color:var(--ink);
    text-decoration:none;
  }
  .brand-mark{
    width:30px;height:30px;
    border-radius:9px;
    background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
    display:grid;
    place-items:center;
    flex:none;
  }
  .brand-mark span{
    width:11px;height:11px;
    border-radius:3px;
    background:var(--lime);
    transform:rotate(45deg);
    display:block;
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:0 22px;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:600;
    text-decoration:none;
    border:0;
    cursor:pointer;
    white-space:nowrap;
    transition:transform .18s ease-out, background-color .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out, color .18s ease-out;
  }
  .btn-primary{
    background:var(--brand);
    color:#FFFFFF;
    box-shadow:inset 0 -3px 0 var(--brand-deep);
  }
  .btn-primary:hover{background:#127056;transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{
    background:transparent;
    color:var(--brand);
    border:1.5px solid var(--brand);
  }
  .btn-ghost:hover{background:var(--brand-soft);}
  .btn-lime{
    background:var(--lime);
    color:var(--ink);
  }
  .btn-lime:hover{background:#D6F76A;transform:translateY(-1px);}
  .btn-sm{min-height:44px;padding:0 18px;font-size:14px;}

  .mobile-toggle{
    display:none;
    width:44px;height:44px;
    border:1px solid var(--line);
    border-radius:12px;
    background:transparent;
    cursor:pointer;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    gap:5px;
    padding:0;
  }
  .mobile-toggle span{
    display:block;
    width:18px;height:2px;
    border-radius:2px;
    background:var(--ink);
    transition:transform .2s ease-out, opacity .2s ease-out;
  }
  .mobile-cta{display:none;}

  .mobile-panel{
    position:fixed;
    inset:72px 0 0 0;
    background:var(--sand);
    z-index:55;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .2s ease-out, transform .2s ease-out, visibility .2s;
    overflow-y:auto;
  }
  .mobile-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .mobile-nav{
    display:flex;
    flex-direction:column;
    padding:12px clamp(16px,4vw,32px) 40px;
  }
  .mobile-nav a{
    display:flex;
    align-items:center;
    min-height:56px;
    font-size:18px;
    font-weight:600;
    color:var(--ink);
    text-decoration:none;
    border-bottom:1px solid var(--line);
  }
  .mobile-nav a.mobile-panel-cta{
    margin-top:22px;
    justify-content:center;
    border-bottom:0;
    color:#FFFFFF;
    font-size:16px;
    border-radius:var(--radius-btn);
  }

  @media (max-width:1023px){
    .nav-grid{display:flex;align-items:center;justify-content:space-between;}
    .nav-left,.nav-right{display:none;}
    .mobile-toggle{display:flex;}
    .nav-brand{position:absolute;left:50%;transform:translateX(-50%);}
    .mobile-cta{display:inline-flex;}
  }
  @media (min-width:1024px){
    .mobile-panel{display:none;}
  }

  /* ---------- 文章头部 ---------- */
  .article-head{
    background:linear-gradient(180deg,#EFF4EF 0%,var(--sand) 100%);
    border-bottom:1px solid var(--line);
    padding:clamp(28px,4.4vw,48px) 0 clamp(26px,3.6vw,40px);
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    font-size:13.5px;
    color:var(--muted);
    margin-bottom:18px;
  }
  .breadcrumb a{
    color:var(--muted);
    text-decoration:none;
    transition:color .18s ease-out;
  }
  .breadcrumb a:hover{color:var(--brand);}
  .crumb-sep{color:#B4C2BA;}
  .crumb-current{
    color:#3D5449;
    max-width:min(100%,420px);
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }
  .article-title{
    margin:0;
    font-size:clamp(28px,4.2vw,46px);
    line-height:1.18;
    font-weight:800;
    letter-spacing:-.02em;
    color:var(--ink);
    max-width:900px;
  }
  .article-meta{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:12px 18px;
    margin-top:20px;
    font-size:14px;
    color:var(--muted);
  }
  .badge{
    display:inline-flex;
    align-items:center;
    border-radius:999px;
    font-size:12px;
    font-weight:600;
    line-height:1.6;
    padding:4px 12px;
  }
  .badge-cat{background:var(--brand-soft);color:var(--brand);}
  .badge-level{background:var(--lime);color:var(--ink);}
  .badge-state{background:var(--coral);color:#FFFFFF;}

  /* ---------- 文章主体 ---------- */
  .article-main{padding:clamp(36px,5vw,64px) 0 0;}
  .article-layout{
    display:grid;
    grid-template-columns:minmax(0,760px) 250px;
    gap:56px;
    justify-content:center;
    align-items:start;
  }

  .article-body{
    font-size:16.5px;
    line-height:1.9;
    color:#25352F;
    overflow-wrap:break-word;
  }
  .article-body > *:first-child{margin-top:0;}
  .article-body p{margin:0 0 1.15em;}
  .article-body h2{
    font-size:clamp(22px,2.4vw,28px);
    line-height:1.35;
    font-weight:700;
    color:var(--ink);
    margin:48px 0 16px;
    scroll-margin-top:96px;
  }
  .article-body h3{
    font-size:19px;
    line-height:1.5;
    font-weight:700;
    color:var(--ink);
    margin:28px 0 12px;
    scroll-margin-top:96px;
  }
  .article-body h4{
    font-size:17px;
    font-weight:700;
    color:var(--ink);
    margin:22px 0 10px;
  }
  .article-body a{
    color:var(--brand);
    text-decoration:underline;
    text-decoration-thickness:1px;
    text-underline-offset:3px;
    transition:background-color .18s ease-out, color .18s ease-out;
  }
  .article-body a:hover{background:var(--lime);color:var(--ink);text-decoration-color:transparent;}
  .article-body ul,
  .article-body ol{margin:0 0 1.15em;padding-left:1.3em;}
  .article-body li{margin:0 0 .55em;line-height:1.9;}
  .article-body ul{list-style:none;padding-left:1.15em;}
  .article-body ul li{position:relative;}
  .article-body ul li::before{
    content:"";
    position:absolute;
    left:-1.05em;top:.78em;
    width:6px;height:6px;
    border-radius:50%;
    background:var(--brand);
  }
  .article-body ol{list-style:decimal;}
  .article-body ol li::marker{color:var(--brand);font-weight:700;}
  .article-body blockquote{
    margin:24px 0;
    padding:18px 22px;
    border-left:4px solid var(--brand);
    background:var(--brand-soft);
    border-radius:0 var(--radius-img) var(--radius-img) 0;
    color:#1E3A31;
    font-style:normal;
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{
    width:100%;
    height:auto;
    border-radius:var(--radius-img);
    box-shadow:var(--shadow);
    border:3px solid #FFFFFF;
    margin:24px 0 10px;
    object-fit:cover;
  }
  .article-body figure{margin:24px 0;}
  .article-body figcaption{
    font-size:13px;
    color:var(--muted);
    line-height:1.7;
    text-align:center;
  }
  .article-body code{
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:.92em;
    background:var(--sand);
    border:1px solid var(--line);
    padding:2px 6px;
    border-radius:6px;
    font-variant-numeric:tabular-nums;
  }
  .article-body pre{
    background:var(--sand);
    border:1px solid var(--line);
    border-radius:var(--radius-img);
    padding:16px 18px;
    overflow:auto;
    font-size:14px;
    line-height:1.75;
    margin:0 0 1.15em;
  }
  .article-body pre code{background:none;border:0;padding:0;}
  .article-body table{
    width:100%;
    border-collapse:collapse;
    font-size:15px;
    margin:24px 0;
  }
  .article-body th,
  .article-body td{
    border:1px solid var(--line);
    padding:10px 14px;
    text-align:left;
  }
  .article-body th{
    background:var(--brand-soft);
    color:var(--brand-deep);
    font-weight:700;
  }
  .article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

  .article-empty{
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow);
    padding:44px 28px;
    text-align:center;
  }
  .empty-icon{
    width:56px;height:56px;
    margin:0 auto 18px;
    border-radius:16px;
    background:var(--brand-soft);
    display:grid;
    place-items:center;
  }
  .empty-icon span{
    width:22px;height:22px;
    border-radius:6px;
    border:2px solid var(--brand);
    display:block;
  }
  .article-empty h2{
    margin:0 0 10px;
    font-size:22px;
    font-weight:700;
    color:var(--ink);
  }
  .article-empty p{
    margin:0 auto 22px;
    max-width:440px;
    font-size:15px;
    color:var(--muted);
    line-height:1.8;
  }

  /* ---------- 目录 ---------- */
  .article-side{position:sticky;top:96px;}
  .toc-card{
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow);
    padding:20px 20px 16px;
  }
  .toc-title{
    margin:0 0 12px;
    font-size:14px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:.02em;
    display:flex;
    align-items:center;
    justify-content:space-between;
  }
  .toc{display:flex;flex-direction:column;}
  .toc a{
    display:block;
    padding:8px 0 8px 14px;
    border-left:2px solid var(--line);
    font-size:13.5px;
    line-height:1.6;
    color:var(--muted);
    text-decoration:none;
    transition:color .18s ease-out, border-color .18s ease-out, background-color .18s ease-out;
  }
  .toc a:hover{color:var(--brand);border-left-color:var(--brand-soft);background:var(--brand-soft);}
  .toc a.active{color:var(--brand);font-weight:600;border-left-color:var(--brand);}
  .toc-hint{
    margin-top:14px;
    padding-top:14px;
    border-top:1px dashed var(--line);
    font-size:12.5px;
    color:var(--muted);
    line-height:1.7;
  }

  @media (max-width:1023px){
    .article-layout{grid-template-columns:1fr;gap:24px;}
    .article-side{position:static;order:-1;}
    .toc-title{cursor:pointer;margin:0;}
    .toc{max-height:0;overflow:hidden;transition:max-height .26s ease-out;}
    .toc-card.is-open .toc{max-height:520px;overflow:auto;}
    .toc-hint{display:none;}
    .toc-chev{
      width:9px;height:9px;
      border-right:2px solid var(--brand);
      border-bottom:2px solid var(--brand);
      transform:rotate(45deg);
      transition:transform .22s ease-out;
      margin-right:4px;
    }
    .toc-card.is-open .toc-chev{transform:rotate(-135deg);}
  }
  @media (min-width:1024px){
    .toc-chev{display:none;}
  }

  /* ---------- 文章尾部 ---------- */
  .article-tail{margin-top:56px;}
  .tail-divider{
    height:1px;
    background:var(--line);
    margin-bottom:40px;
  }
  .tail-title{
    margin:0 0 22px;
    font-size:clamp(20px,2.2vw,24px);
    font-weight:700;
    color:var(--ink);
  }
  .related-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:20px;
  }
  .related-card{
    display:flex;
    flex-direction:column;
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow);
    overflow:hidden;
    text-decoration:none;
    transition:transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
  }
  .related-card:hover{
    transform:translateY(-2px);
    box-shadow:var(--shadow-hover);
    border-color:var(--brand);
  }
  .related-thumb{
    aspect-ratio:16/9;
    overflow:hidden;
    background:var(--brand-soft);
  }
  .related-thumb img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .3s ease-out;
  }
  .related-card:hover .related-thumb img{transform:scale(1.04);}
  .related-body{
    padding:16px 18px 18px;
    display:flex;
    flex-direction:column;
    gap:12px;
    flex:1;
  }
  .related-body h3{
    margin:0;
    font-size:16px;
    line-height:1.5;
    font-weight:700;
    color:var(--ink);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .related-body .related-time{
    margin-top:auto;
    padding-top:12px;
    border-top:1px dashed var(--line);
    font-size:13px;
    color:var(--muted);
  }
  .tail-back-wrap{
    margin-top:36px;
    display:flex;
    justify-content:flex-start;
  }

  @media (max-width:767px){
    .related-grid{grid-template-columns:1fr;}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink);
    color:#D8E3DC;
    padding:clamp(44px,6vw,64px) 0 24px;
    margin-top:clamp(56px,7vw,88px);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1.1fr 1.2fr;
    gap:32px;
  }
  .footer-brand .brand{color:#FFFFFF;}
  .footer-brand p{
    margin:16px 0 0;
    font-size:14px;
    line-height:1.8;
    color:#B4C7BD;
    max-width:340px;
  }
  .footer-col h4{
    margin:0 0 14px;
    font-size:15px;
    font-weight:700;
    color:#FFFFFF;
  }
  .footer-col a{
    display:block;
    padding:5px 0;
    font-size:14px;
    color:#B4C7BD;
    text-decoration:none;
    transition:color .18s ease-out;
  }
  .footer-col a:hover{color:var(--lime);}
  .footer-col ul{margin:0;padding:0;list-style:none;}
  .footer-col li{
    padding:5px 0;
    font-size:14px;
    color:#9FB4AA;
    line-height:1.75;
  }
  .footer-bottom{
    margin-top:36px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:12px;
    font-size:13px;
    color:#8FA69C;
  }

  @media (max-width:1023px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .footer-brand{grid-column:1 / -1;}
  }
  @media (max-width:640px){
    .footer-grid{grid-template-columns:1fr;}
  }

/* roulang page: category2 */
:root{
    --ink:#0A231C;
    --brand:#0E5340;
    --brand-deep:#0A3B2D;
    --brand-soft:#E8F1EC;
    --lime:#C9F24D;
    --coral:#FF7A45;
    --sand:#F6F3EA;
    --paper:#FFFFFF;
    --muted:#5C6E67;
    --line:#E1E6E1;
    --r-card:16px;
    --r-btn:10px;
    --r-img:14px;
    --r-lg:22px;
    --shadow:0 1px 2px rgba(10,35,28,.06),0 12px 28px -12px rgba(10,35,28,.18);
    --shadow-hover:0 2px 6px rgba(10,35,28,.08),0 20px 42px -16px rgba(10,35,28,.28);
    --ease:180ms ease-out;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.9;
    color:var(--ink);
    background:var(--sand);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;cursor:pointer;background:none;border:none;}
  ul,ol{margin:0;padding:0;}
  h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
  p{margin:0 0 1.15em;}
  p:last-child{margin-bottom:0;}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
  .tabular{font-variant-numeric:tabular-nums;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:clamp(16px,4vw,32px);padding-right:clamp(16px,4vw,32px);}
  .section{padding:clamp(56px,8vw,104px) 0;}
  .section-sm{padding:clamp(44px,5.5vw,72px) 0;}
  .section-head{margin-bottom:clamp(26px,3.6vw,44px);max-width:760px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--brand);
    background:var(--brand-soft);border-radius:999px;padding:5px 14px;margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}
  h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin-bottom:16px;}
  h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3;font-weight:700;margin-bottom:16px;}
  h3{font-size:20px;line-height:1.5;font-weight:700;margin-bottom:10px;}
  h4{font-size:16px;line-height:1.5;font-weight:700;}
  .lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:720px;}
  .muted{color:var(--muted);}
  .small{font-size:14px;line-height:1.7;color:var(--muted);}
  .text-lime{color:var(--lime);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:46px;padding:0 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:700;line-height:1;
    border:1.5px solid transparent;
    transition:background var(--ease),color var(--ease),transform var(--ease),border-color var(--ease),box-shadow var(--ease);
    white-space:nowrap;
  }
  .btn-primary{background:var(--brand);color:#fff;border-bottom:3px solid var(--brand-deep);}
  .btn-primary:hover{background:#12664E;transform:translateY(-1px);}
  .btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
  .btn-outline:hover{background:var(--brand-soft);transform:translateY(-1px);}
  .btn-ghost{background:transparent;color:var(--lime);border-color:rgba(201,242,77,.55);}
  .btn-ghost:hover{background:rgba(201,242,77,.14);transform:translateY(-1px);}
  .btn-pill{border-radius:999px;}
  .btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

  /* ---------- 徽章 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:999px;
    font-size:12px;font-weight:600;line-height:1.7;letter-spacing:.01em;
  }
  .badge-soft{background:var(--brand-soft);color:var(--brand);}
  .badge-lime{background:var(--lime);color:var(--ink);}
  .badge-coral{background:var(--coral);color:#fff;}
  .badge-outline{border:1px solid var(--line);color:var(--muted);background:var(--paper);}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.9);
    border-bottom:1px solid var(--line);
    transition:background var(--ease),box-shadow var(--ease);
  }
  .site-header.is-scrolled{background:#fff;box-shadow:0 14px 28px -22px rgba(10,35,28,.55);}
  .header-inner{
    display:grid;grid-template-columns:1fr auto 1fr;grid-template-areas:"left brand right";
    align-items:center;gap:16px;height:72px;
  }
  .nav-left{grid-area:left;display:flex;align-items:center;gap:26px;}
  .nav-right{grid-area:right;display:flex;align-items:center;gap:18px;justify-content:flex-end;}
  .brand{
    grid-area:brand;justify-self:center;
    display:inline-flex;align-items:center;gap:10px;
    font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
    min-height:44px;
  }
  .brand-mark{
    width:28px;height:28px;border-radius:9px;background:var(--brand);
    display:inline-flex;align-items:center;justify-content:center;flex:none;
  }
  .brand-mark span{width:10px;height:10px;border-radius:3px;background:var(--lime);transform:rotate(45deg);display:block;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    min-height:44px;padding:6px 2px;
    font-size:15px;font-weight:600;color:var(--muted);
    transition:color var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
    background:var(--lime);border-radius:2px;
    transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
  }
  .nav-link:hover{color:var(--brand);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--ink);}
  .nav-link.is-active::after{transform:scaleX(1);background:var(--brand);}
  .menu-toggle{
    grid-area:menu;display:none;
    width:44px;height:44px;border-radius:12px;
    align-items:center;justify-content:center;
    border:1px solid var(--line);background:var(--paper);
  }
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  }
  .menu-toggle span::before{top:-6px;}
  .menu-toggle span::after{top:6px;}

  .mobile-drawer{
    position:fixed;inset:0;z-index:80;
    background:var(--sand);
    transform:translateY(-101%);
    transition:transform 280ms cubic-bezier(.4,0,.2,1);
    display:flex;flex-direction:column;
    padding:16px clamp(16px,4vw,24px) 32px;
    overflow-y:auto;
  }
  .mobile-drawer.is-open{transform:translateY(0);}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;min-height:56px;border-bottom:1px solid var(--line);}
  .drawer-close{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:var(--paper);display:inline-flex;align-items:center;justify-content:center;
    font-size:20px;line-height:1;color:var(--ink);
  }
  .drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
  .drawer-nav a{
    display:flex;align-items:center;justify-content:space-between;
    min-height:56px;font-size:18px;font-weight:600;color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .drawer-nav a.is-active{color:var(--brand);}
  .drawer-cta{margin-top:28px;}
  .drawer-cta .btn{width:100%;}

  /* ---------- 页面横幅 ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    background:var(--ink);color:var(--sand);
    padding:clamp(38px,5.5vw,60px) 0 clamp(36px,5vw,56px);
    min-height:288px;display:flex;align-items:center;
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    opacity:.3;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(102deg,rgba(10,35,28,.95) 0%,rgba(10,35,28,.78) 52%,rgba(10,35,28,.42) 100%);
  }
  .page-hero .container{position:relative;z-index:2;}
  .page-hero h1{color:#fff;max-width:840px;}
  .page-hero .lead{color:rgba(246,243,234,.82);max-width:700px;}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,243,234,.66);margin-bottom:18px;}
  .crumb a{transition:color var(--ease);}
  .crumb a:hover{color:var(--lime);}
  .crumb .sep{opacity:.5;}
  .anchor-line{
    display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;
  }
  .anchor-chip{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 14px;border-radius:999px;
    border:1px solid rgba(246,243,234,.26);
    background:rgba(246,243,234,.07);
    font-size:13px;font-weight:600;color:rgba(246,243,234,.92);
  }
  .anchor-chip i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:block;}

  /* ---------- 对照面板 ---------- */
  .compare-panel{
    background:var(--paper);border:1px solid var(--line);
    border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;
  }
  .compare-head{display:grid;grid-template-columns:1fr 1fr;}
  .compare-side{padding:clamp(22px,3vw,30px);}
  .compare-side + .compare-side{border-left:1px solid var(--line);}
  .compare-side h3{margin:14px 0 8px;}
  .compare-side p{font-size:14px;line-height:1.85;color:var(--muted);margin:0;}
  .compare-side--a{background:var(--brand-soft);}
  .compare-side--b{background:#fff;}
  .compare-rows{display:block;}
  .compare-row{
    display:grid;grid-template-columns:190px 1fr;
    gap:18px;align-items:start;
    padding:20px clamp(22px,3vw,30px);
    border-top:1px solid var(--line);
    transition:background var(--ease);
  }
  .compare-row:hover{background:#FBFCFB;}
  .compare-dim{
    font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.04em;
    margin:0;display:flex;align-items:center;gap:8px;
  }
  .compare-dim::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);flex:none;}
  .compare-cells{display:grid;grid-template-columns:1fr 1fr;}
  .compare-cell{
    padding:0 20px;font-size:15px;line-height:1.85;color:var(--ink);
  }
  .compare-cell:first-child{padding-left:0;}
  .compare-cell + .compare-cell{border-left:1px solid var(--line);}
  .compare-cell--b{color:var(--muted);}

  /* ---------- 图文分栏 ---------- */
  .split{
    display:grid;grid-template-columns:1.05fr 1fr;
    gap:clamp(24px,4vw,52px);align-items:center;
  }
  .split-media{
    border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
    box-shadow:var(--shadow);background:var(--brand-soft);
  }
  .split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
  .split-body h2{margin-bottom:14px;}

  /* ---------- 等级阶梯 ---------- */
  .level-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px;}
  .level-card{
    background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--shadow);
    display:flex;flex-direction:column;gap:12px;
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .level-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
  .level-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
  .level-mark{
    width:40px;height:40px;border-radius:12px;background:var(--brand);
    color:#fff;font-weight:800;font-size:15px;
    display:inline-flex;align-items:center;justify-content:center;
    font-variant-numeric:tabular-nums;
  }
  .level-card h3{font-size:19px;margin:0;}
  .level-card .cond{font-size:14px;line-height:1.8;color:var(--muted);margin:0;}
  .level-list{list-style:none;display:flex;flex-direction:column;gap:8px;margin-top:2px;}
  .level-list li{
    position:relative;padding-left:16px;font-size:14px;line-height:1.75;color:var(--muted);
  }
  .level-list li::before{
    content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--lime);
  }

  /* ---------- 奖励构成卡片 ---------- */
  .reward-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
  .reward-card{
    background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--shadow);position:relative;
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .reward-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
  .reward-card .num{
    font-size:13px;font-weight:700;color:var(--brand);
    font-variant-numeric:tabular-nums;letter-spacing:.08em;
  }
  .reward-card h3{margin:12px 0 8px;}
  .reward-card p{font-size:15px;line-height:1.85;color:var(--muted);margin:0;}
  .reward-card .foot{
    margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    font-size:13px;color:var(--muted);
  }

  /* ---------- 深色结算区 ---------- */
  .dark-band{background:var(--brand-deep);color:var(--sand);position:relative;overflow:hidden;}
  .dark-band::after{
    content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle at center,rgba(201,242,77,.16),rgba(201,242,77,0) 68%);
  }
  .dark-band .container{position:relative;z-index:2;}
  .dark-band h2,.dark-band h3{color:#fff;}
  .dark-band .lead{color:rgba(246,243,234,.78);}
  .step-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:34px;}
  .step-item{
    display:flex;gap:16px;align-items:flex-start;
    background:rgba(246,243,234,.06);
    border:1px solid rgba(246,243,234,.14);
    border-radius:var(--r-card);padding:20px;
    transition:background var(--ease),border-color var(--ease),transform var(--ease);
  }
  .step-item:hover{background:rgba(246,243,234,.1);border-color:rgba(201,242,77,.4);transform:translateY(-2px);}
  .step-index{
    flex:none;width:38px;height:38px;border-radius:50%;
    background:var(--lime);color:var(--ink);
    display:inline-flex;align-items:center;justify-content:center;
    font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;
  }
  .step-item h3{font-size:17px;margin:2px 0 6px;}
  .step-item p{font-size:14px;line-height:1.8;color:rgba(246,243,234,.74);margin:0;}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:820px;margin-top:8px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    min-height:44px;padding:20px 0;
    font-size:17px;font-weight:600;color:var(--ink);
    transition:color var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--brand);}
  .faq-icon{position:relative;width:16px;height:16px;flex:none;}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform var(--ease),opacity var(--ease);
  }
  .faq-icon::before{left:0;top:7px;width:16px;height:2px;}
  .faq-icon::after{left:7px;top:0;width:2px;height:16px;}
  .faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0;}
  .faq-body{
    padding:2px 0 24px 18px;
    border-left:3px solid var(--lime);
    font-size:15px;line-height:1.85;color:var(--muted);
  }

  /* ---------- CTA ---------- */
  .cta-band{position:relative;overflow:hidden;background:var(--sand);}
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background-image:repeating-linear-gradient(135deg,rgba(14,83,64,.05) 0 1px,transparent 1px 14px);
  }
  .cta-inner{
    position:relative;z-index:2;max-width:720px;margin:0 auto;text-align:center;
  }
  .cta-inner h2{margin-bottom:14px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:rgba(246,243,234,.78);padding-top:clamp(48px,6vw,76px);}
  .footer-grid{
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
    padding-bottom:40px;
  }
  .footer-brand .brand{color:#fff;margin-bottom:14px;justify-self:start;}
  .footer-brand p{font-size:14px;line-height:1.85;color:rgba(246,243,234,.66);max-width:330px;margin:0;}
  .footer-col h4{color:#fff;margin-bottom:14px;font-size:15px;}
  .footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(246,243,234,.72);transition:color var(--ease);}
  .footer-col a:hover{color:var(--lime);}
  .footer-col ul{list-style:none;}
  .footer-col li{
    position:relative;padding-left:16px;padding-top:6px;padding-bottom:6px;
    font-size:14px;line-height:1.75;color:rgba(246,243,234,.72);
  }
  .footer-col li::before{
    content:"";position:absolute;left:0;top:15px;width:6px;height:6px;border-radius:50%;
    background:var(--lime);opacity:.75;
  }
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
    padding:20px 0;border-top:1px solid rgba(246,243,234,.14);
    font-size:13px;color:rgba(246,243,234,.6);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .header-inner{
      grid-template-columns:auto 1fr auto;
      grid-template-areas:"menu brand right";
      height:64px;gap:10px;
    }
    .nav-left{display:none;}
    .menu-toggle{display:inline-flex;}
    .nav-right .nav-link{display:none;}
    .brand{font-size:16px;gap:8px;}
    .brand-mark{width:24px;height:24px;border-radius:8px;}
    .brand-mark span{width:9px;height:9px;}
    .level-grid{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }

  @media (max-width:767px){
    body{font-size:15.5px;}
    .section{padding:56px 0;}
    .compare-head{grid-template-columns:1fr;}
    .compare-side + .compare-side{border-left:none;border-top:1px solid var(--line);}
    .compare-row{grid-template-columns:1fr;gap:10px;}
    .compare-cells{grid-template-columns:1fr;gap:12px;}
    .compare-cell{padding:0;}
    .compare-cell + .compare-cell{border-left:none;border-top:1px dashed var(--line);padding-top:12px;}
    .split{grid-template-columns:1fr;}
    .reward-grid{grid-template-columns:1fr;}
    .step-list{grid-template-columns:1fr;}
    .cta-actions .btn{width:100%;}
  }

  @media (max-width:520px){
    .level-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .page-hero{min-height:250px;}
    .anchor-chip{font-size:12px;padding:6px 12px;}
    .btn{padding:0 18px;}
  }

/* roulang page: category3 */
:root{
  --ink:#0A231C;
  --brand:#0E5340;
  --brand-deep:#0A3B2D;
  --brand-soft:#E8F1EC;
  --lime:#C9F24D;
  --coral:#FF7A45;
  --sand:#F6F3EA;
  --paper:#FFFFFF;
  --muted:#5C6E67;
  --line:#E1E6E1;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-sm:0 1px 2px rgba(10,35,28,.06), 0 12px 28px -12px rgba(10,35,28,.18);
  --shadow-lg:0 2px 4px rgba(10,35,28,.08), 0 22px 44px -16px rgba(10,35,28,.28);
  --header-h:72px;
  --ease:180ms ease-out;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.tabular{font-variant-numeric:tabular-nums}

a:focus-visible,
button:focus-visible,
summary:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:6px;
}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 clamp(16px,4vw,32px);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:background-color var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  border-bottom:3px solid var(--brand-deep);
}
.btn-primary:hover{background:#11684F;transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-secondary{
  background:transparent;
  color:var(--brand);
  border:1.5px solid var(--brand);
}
.btn-secondary:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn-ghost{
  background:transparent;
  color:var(--lime);
  border:1.5px solid rgba(201,242,77,.55);
}
.btn-ghost:hover{background:rgba(201,242,77,.12);border-color:var(--lime)}
.btn-pill{border-radius:999px}
.btn:active{transform:translateY(0)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1.7;
  letter-spacing:.01em;
}
.badge-soft{background:var(--brand-soft);color:var(--brand)}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-coral{background:var(--coral);color:#fff}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:var(--header-h);
  background:rgba(246,243,234,.86);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:background-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:0 10px 28px -18px rgba(10,35,28,.35);
}
.header-inner{
  height:var(--header-h);
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:#22392F;
  padding:6px 2px;
  min-height:44px;
  display:inline-flex;
  align-items:center;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:2px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{background:var(--lime);transform:scaleX(1)}
.nav-cta{min-height:40px;padding:8px 18px;font-size:14px}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.brand-mark{
  width:28px;
  height:28px;
  border-radius:9px;
  background:var(--brand);
  display:grid;
  place-items:center;
  flex:0 0 auto;
}
.brand-mark span{
  width:10px;
  height:10px;
  border-radius:3px;
  background:var(--lime);
  transform:rotate(45deg);
}
.brand-center{justify-self:center}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-drawer{
  display:none;
  position:fixed;
  top:var(--header-h);
  left:0;
  right:0;
  bottom:0;
  background:var(--sand);
  padding:20px clamp(16px,4vw,32px) 40px;
  overflow-y:auto;
  z-index:55;
  border-top:1px solid var(--line);
}
.mobile-drawer.is-open{display:block}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:18px;
  font-weight:600;
  border-bottom:1px solid var(--line);
  color:var(--ink);
}
.drawer-nav a[aria-current="page"]{color:var(--brand)}
.drawer-cta{width:100%;margin-top:24px}
body.nav-open{overflow:hidden}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(246,243,234,.72);
  margin-bottom:18px;
}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.55}

/* ---------- 页面横幅 ---------- */
.page-hero{
  position:relative;
  color:#fff;
  padding:64px 0 56px;
  min-height:300px;
  display:flex;
  align-items:center;
  background-image:
    linear-gradient(120deg, rgba(10,35,28,.94) 0%, rgba(10,35,28,.78) 52%, rgba(14,83,64,.72) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg, rgba(201,242,77,.07) 0 2px, transparent 2px 26px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{
  font-size:clamp(30px,5vw,52px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:18px;
  max-width:16em;
}
.hero-lead{
  font-size:clamp(16px,1.6vw,18px);
  line-height:1.9;
  color:rgba(246,243,234,.9);
  max-width:44em;
  margin-bottom:24px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
}
.hero-meta li{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  font-weight:600;
  color:#F6F3EA;
  font-variant-numeric:tabular-nums;
}
.hero-meta li::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--lime);
  flex:0 0 auto;
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-sand{background:var(--sand)}
.section-paper{background:var(--paper)}
.section-ink{background:var(--ink);color:#F6F3EA}
.section-brand{background:var(--brand-deep);color:#F6F3EA}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--lime);
  display:block;
}
.section-ink .eyebrow,
.section-brand .eyebrow{color:var(--lime)}
.section-head h2{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.section-sub{
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
}
.section-ink .section-sub,
.section-brand .section-sub{color:rgba(246,243,234,.78)}

/* ---------- 流程时间轴 ---------- */
.flow-list{
  display:flex;
  flex-direction:column;
  gap:40px;
}
.flow-item{
  display:grid;
  grid-template-columns:88px minmax(0,1fr);
  gap:24px;
  align-items:start;
}
.flow-axis{
  position:relative;
  display:flex;
  justify-content:center;
  padding-top:6px;
}
.flow-axis::after{
  content:"";
  position:absolute;
  top:64px;
  bottom:-46px;
  left:50%;
  transform:translateX(-50%);
  width:2px;
  background:linear-gradient(to bottom, var(--brand-soft), rgba(225,230,225,.4));
}
.flow-item:last-child .flow-axis::after{display:none}
.flow-dot{
  width:48px;
  height:48px;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px var(--brand-soft);
  position:relative;
  z-index:1;
}
.flow-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  min-width:0;
}
.flow-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-lg);
  border-color:var(--brand);
}
.flow-card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:14px;
}
.flow-icon{
  width:42px;
  height:42px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  display:grid;
  place-items:center;
  flex:0 0 auto;
}
.flow-icon svg{width:22px;height:22px}
.flow-card h3{
  font-size:20px;
  line-height:1.5;
  font-weight:700;
  margin-bottom:12px;
}
.flow-card p{
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
  margin-bottom:10px;
}
.flow-card p:last-of-type{margin-bottom:0}
.flow-card .badge{margin-top:14px}

/* ---------- 节奏与耗时 ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:20px;
}
.stat-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(201,242,77,.22);
  border-radius:var(--radius-card);
  padding:24px 22px;
}
.stat-num{
  font-size:clamp(26px,3vw,36px);
  font-weight:800;
  line-height:1.2;
  color:var(--lime);
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.stat-label{
  margin-top:8px;
  font-size:14px;
  font-weight:600;
  color:#F6F3EA;
}
.stat-note{
  margin-top:6px;
  font-size:13px;
  line-height:1.7;
  color:rgba(246,243,234,.66);
}

/* ---------- 核对清单 ---------- */
.check-wrap{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.check-head,
.check-row{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,2fr) 120px;
  gap:20px;
  align-items:center;
  padding:18px 24px;
}
.check-head{
  background:var(--brand-soft);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--brand);
}
.check-row{
  border-top:1px solid var(--line);
  transition:background-color var(--ease);
}
.check-row:hover{background:#FBFCFA}
.check-node{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:600;
}
.check-node::before{
  content:"";
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--lime);
  flex:0 0 auto;
}
.check-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
}
.check-row .badge{justify-self:start}

/* ---------- 图文区块 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:48px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  border:1px solid var(--line);
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:0;
}
.split-media .float-badge{
  position:absolute;
  left:18px;
  bottom:18px;
  background:var(--lime);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  padding:6px 14px;
  border-radius:999px;
}
.point-list li{
  display:grid;
  grid-template-columns:26px minmax(0,1fr);
  gap:12px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.point-list li:last-child{border-bottom:none}
.point-list .dot{
  width:10px;
  height:10px;
  margin-top:9px;
  border-radius:3px;
  background:var(--coral);
}
.point-list strong{
  display:block;
  font-size:16px;
  font-weight:700;
  margin-bottom:4px;
}
.point-list span{
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:20px 40px 20px 0;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";
  position:absolute;
  right:6px;
  top:50%;
  width:10px;
  height:10px;
  border-right:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);
  transition:transform var(--ease);
}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-answer{
  position:relative;
  padding:0 40px 22px 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}
.faq-answer::before{
  content:"";
  position:absolute;
  left:0;
  top:4px;
  bottom:22px;
  width:3px;
  border-radius:3px;
  background:var(--lime);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--sand);
  border-top:3px solid var(--lime);
  padding:88px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:400px;
  height:400px;
  border-radius:50%;
  border:1px solid rgba(14,83,64,.14);
  background:radial-gradient(circle at 30% 30%, rgba(201,242,77,.22), transparent 62%);
}
.cta-inner{
  position:relative;
  max-width:720px;
  margin:0 auto;
  text-align:center;
}
.cta-inner h2{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.3;
  font-weight:700;
  margin-bottom:16px;
}
.cta-inner p{
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
  margin-bottom:28px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
}

/* ---------- 分类互链卡片 ---------- */
.nav-cards{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:22px;
}
.nav-card{
  position:relative;
  display:block;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.nav-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-lg);
  border-color:var(--brand);
}
.nav-card h3{
  font-size:18px;
  font-weight:700;
  margin:14px 0 8px;
}
.nav-card p{
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
}
.nav-card .arrow{
  position:absolute;
  right:20px;
  top:20px;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand);
  display:grid;
  place-items:center;
  font-size:14px;
  transition:background-color var(--ease),color var(--ease);
}
.nav-card:hover .arrow{background:var(--lime);color:var(--ink)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#DDE6E1;
  padding:72px 0 28px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(246,243,234,.14);
}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:rgba(246,243,234,.7);
  max-width:34em;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col a{
  display:block;
  padding:6px 0;
  color:rgba(246,243,234,.72);
  transition:color var(--ease);
}
.footer-col a:hover{color:var(--lime)}
.footer-col ul li{
  position:relative;
  padding:6px 0 6px 16px;
  color:rgba(246,243,234,.72);
  line-height:1.8;
}
.footer-col ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:15px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--lime);
  opacity:.8;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:rgba(246,243,234,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .header-inner{grid-template-columns:44px minmax(0,1fr) 44px;gap:12px}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:flex}
  .brand-center{justify-self:center;font-size:17px}
  .header-cta-mobile{display:inline-flex}
  .split{grid-template-columns:minmax(0,1fr);gap:32px}
  .stat-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .nav-cards{grid-template-columns:repeat(2, minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2, minmax(0,1fr));gap:32px}
}

@media (max-width:768px){
  .section{padding:60px 0}
  .page-hero{padding:48px 0 44px;min-height:260px}
  .flow-item{grid-template-columns:56px minmax(0,1fr);gap:16px}
  .flow-dot{width:40px;height:40px;font-size:13px;box-shadow:0 0 0 4px var(--brand-soft)}
  .flow-axis::after{top:54px}
  .flow-card{padding:20px}
  .check-head{display:none}
  .check-row{
    grid-template-columns:minmax(0,1fr);
    gap:8px;
    padding:18px 20px;
  }
  .check-row .badge{justify-self:start;margin-top:4px}
  .nav-cards{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:64px 0}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column}
}

@media (max-width:520px){
  .stat-grid{grid-template-columns:minmax(0,1fr)}
  .hero-meta{flex-direction:column;gap:10px}
  .brand{font-size:16px}
  .brand-mark{width:24px;height:24px}
  .btn{width:100%}
  .cta-actions{flex-direction:column}
  .nav-cta{width:auto}
}