/* roulang page: index */
:root{
  --ink:#0E2A22;
  --ink-2:#14382D;
  --ink-3:#1C4A3C;
  --sand:#F3EFE7;
  --sand-2:#FBF9F4;
  --lime:#C8F169;
  --lime-deep:#A9D94A;
  --clay:#E06B3C;
  --clay-deep:#C85729;
  --black:#15171A;
  --text:#4B5563;
  --muted:#8A8F98;
  --line:#E3DED3;
  --card:#FFFFFF;
  --radius:16px;
  --radius-sm:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 12px 32px rgba(14,42,34,.08);
  --shadow-hover:0 18px 48px rgba(14,42,34,.14);
  --container:1200px;
  --section:clamp(4rem,8vw,7.5rem);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
h1,h2,h3,h4,h5{
  color:var(--ink);
  font-weight:800;
  letter-spacing:-0.03em;
  line-height:1.24;
  margin:0 0 .7em;
}
h1{font-size:clamp(2.4rem,6vw,4.8rem);font-weight:900;}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1.2em;max-width:42em;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid var(--lime);
  outline-offset:2px;
  border-radius:6px;
}
img{max-width:100%;display:block;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font-family:inherit;font-size:1rem;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 1.25rem;
}
@media (min-width:1320px){
  .container{max-width:1320px;}
}
.section{padding:var(--section) 0;}
.section--tight{padding:clamp(3rem,6vw,5rem) 0;}
.section--sand{background:var(--sand);}
.section--white{background:var(--sand-2);}
.section--ink{background:var(--ink);color:rgba(255,255,255,.78);}
.section--ink h2,.section--ink h3{color:#fff;}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  padding:.85rem 0;
  background:rgba(246,243,236,.14);
  border-bottom:1px solid rgba(255,255,255,.22);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease),padding .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(14,42,34,.96);
  border-bottom-color:rgba(255,255,255,.12);
  box-shadow:0 14px 38px rgba(14,42,34,.28);
  padding:.55rem 0;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:1.25rem;
}
.brand{
  display:flex;
  align-items:center;
  gap:.6rem;
  font-family:"Space Grotesk","Noto Sans SC",sans-serif;
  font-weight:700;
  font-size:1.22rem;
  letter-spacing:-0.02em;
  color:#fff;
  white-space:nowrap;
}
.brand__mark{
  width:14px;height:14px;
  border-radius:4px;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,241,105,.22);
  flex:0 0 auto;
}
.site-header.is-stuck .brand{color:#fff;}
.main-nav{
  display:flex;
  align-items:center;
  gap:1.4rem;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-size:.9375rem;
  font-weight:500;
  color:rgba(255,255,255,.88);
  padding:.35rem 0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--lime);font-weight:700;}
.header-actions{
  display:flex;
  align-items:center;
  gap:.75rem;
  margin-left:.5rem;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.3);
  color:#fff;
  font-size:1.1rem;
  align-items:center;
  justify-content:center;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.85rem 1.6rem;
  border-radius:var(--radius-sm);
  font-size:.9375rem;
  font-weight:700;
  letter-spacing:.01em;
  line-height:1.2;
  border:1px solid transparent;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn--primary{
  background:var(--clay);
  color:#fff;
  box-shadow:0 10px 24px rgba(224,107,60,.28);
}
.btn--primary:hover{background:var(--clay-deep);transform:translateY(-2px);box-shadow:0 16px 32px rgba(224,107,60,.36);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{
  border-color:rgba(255,255,255,.5);
  color:#fff;
  background:rgba(255,255,255,.06);
}
.btn--ghost:hover{background:rgba(200,241,105,.16);border-color:var(--lime);transform:translateY(-2px);}
.btn--outline{
  border-color:var(--ink);
  color:var(--ink);
  background:transparent;
}
.btn--outline:hover{background:rgba(14,42,34,.06);transform:translateY(-2px);}
.btn--lime{
  background:var(--lime);
  color:var(--ink);
  box-shadow:0 10px 24px rgba(200,241,105,.22);
}
.btn--lime:hover{background:var(--lime-deep);transform:translateY(-2px);}
.btn--sm{padding:.6rem 1.1rem;font-size:.875rem;}
.btn--block{width:100%;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:min(92vh,820px);
  display:flex;
  align-items:center;
  padding:9rem 0 4.5rem;
  background-image:linear-gradient(135deg,rgba(14,42,34,.95) 0%,rgba(14,42,34,.78) 42%,rgba(14,42,34,.32) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:180px;
  background:linear-gradient(to top,var(--sand),transparent);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:3rem;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  padding:.4rem .95rem;
  border-radius:var(--radius-pill);
  border:1px solid rgba(200,241,105,.45);
  background:rgba(200,241,105,.12);
  color:var(--lime);
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:1.4rem;
}
.hero h1{
  color:#fff;
  margin-bottom:1.1rem;
  text-shadow:0 12px 40px rgba(0,0,0,.28);
}
.hero h1 em{
  font-style:normal;
  color:var(--lime);
}
.hero-sub{
  color:rgba(255,255,255,.86);
  font-size:clamp(1rem,1.5vw,1.125rem);
  max-width:34em;
  margin-bottom:2rem;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:.85rem;
  margin-bottom:2.2rem;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:2.2rem;
  padding-top:1.6rem;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-stat__num{
  font-family:"Space Grotesk",sans-serif;
  font-size:1.9rem;
  font-weight:700;
  color:var(--lime);
  line-height:1.1;
}
.hero-stat__label{
  font-size:.8125rem;
  color:rgba(255,255,255,.72);
  letter-spacing:.02em;
}
.hero-card{
  background:rgba(251,249,244,.96);
  border-radius:20px;
  padding:1.6rem;
  box-shadow:0 28px 70px rgba(6,22,18,.4);
  border:1px solid rgba(255,255,255,.5);
}
.hero-card__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:1.1rem;
}
.hero-card__title{
  font-size:1.0625rem;
  font-weight:800;
  color:var(--ink);
  margin:0;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.25rem .7rem;
  border-radius:var(--radius-pill);
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.02em;
}
.tag--lime{background:rgba(200,241,105,.35);color:#38601E;}
.tag--clay{background:rgba(224,107,60,.14);color:var(--clay-deep);}
.tag--ink{background:rgba(14,42,34,.08);color:var(--ink);}
.hero-card__row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:.7rem 0;
  border-bottom:1px dashed var(--line);
  font-size:.875rem;
  color:var(--text);
}
.hero-card__row:last-of-type{border-bottom:0;}
.hero-card__row strong{color:var(--ink);font-weight:700;}
.bar{
  height:9px;
  border-radius:var(--radius-pill);
  background:rgba(14,42,34,.09);
  overflow:hidden;
  margin-top:.55rem;
}
.bar__fill{
  height:100%;
  width:0;
  border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--lime-deep),var(--lime));
  transition:width 1.1s var(--ease);
}
.bar.is-in .bar__fill{width:var(--w,60%);}
.bar--clay .bar__fill{background:linear-gradient(90deg,var(--clay-deep),var(--clay));}

/* ---------- section head ---------- */
.section-head{
  max-width:760px;
  margin-bottom:clamp(2rem,4vw,3.2rem);
}
.section-head--center{
  margin-left:auto;
  margin-right:auto;
  text-align:center;
}
.section-head--center p{margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  font-size:.75rem;
  font-weight:800;
  letter-spacing:.16em;
  color:var(--clay);
  text-transform:uppercase;
  margin-bottom:.9rem;
}
.section-head h2{margin-bottom:.8rem;}
.section-head p{color:var(--text);font-size:1.0625rem;margin-bottom:0;}
.section--ink .section-head p{color:rgba(255,255,255,.75);}

/* ---------- steps track ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  position:relative;
}
.step{
  position:relative;
  padding:0 1.2rem 0 0;
}
.step:not(:last-child)::after{
  content:"";
  position:absolute;
  top:34px;right:0;
  width:calc(100% - 68px);
  height:1px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
}
.step__no{
  width:52px;height:52px;
  border-radius:16px;
  background:var(--ink);
  color:var(--lime);
  font-family:"Space Grotesk",sans-serif;
  font-weight:700;
  font-size:1.15rem;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:1.2rem;
  position:relative;
  z-index:2;
  box-shadow:0 12px 26px rgba(14,42,34,.22);
}
.step__media{
  border-radius:var(--radius-img);
  overflow:hidden;
  margin-bottom:1rem;
  aspect-ratio:16/10;
  background:var(--sand);
}
.step__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.step:hover .step__media img{transform:scale(1.04);}
.step h3{font-size:1.125rem;margin-bottom:.5rem;}
.step p{font-size:.9375rem;margin-bottom:.9rem;}
.step__state{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-size:.8125rem;
  font-weight:700;
  color:var(--ink);
}
.dot{
  width:8px;height:8px;
  border-radius:50%;
  display:inline-block;
}
.dot--done{background:var(--lime-deep);}
.dot--doing{background:var(--clay);}
.dot--wait{background:var(--muted);}

/* ---------- rewards grid ---------- */
.reward-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1.5rem;
}
.reward-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.6rem 1.5rem;
  box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.reward-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(200,241,105,.9);
}
.reward-card__corner{
  position:absolute;
  top:1rem;right:1rem;
  font-size:.75rem;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--ink);
  background:var(--lime);
  padding:.25rem .65rem;
  border-radius:var(--radius-pill);
}
.reward-card__icon{
  width:44px;height:44px;
  border-radius:12px;
  background:rgba(14,42,34,.06);
  color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-size:1.05rem;
  margin-bottom:1rem;
}
.reward-card h3{font-size:1.125rem;margin-bottom:.55rem;}
.reward-card p{font-size:.9375rem;margin-bottom:1.2rem;}
.reward-card__foot{margin-top:auto;}
.reward-card__meta{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  font-size:.8125rem;
  color:var(--muted);
  margin-bottom:.35rem;
}
.reward-card__meta strong{
  font-family:"Space Grotesk",sans-serif;
  font-size:1.3rem;
  color:var(--ink);
}

/* ---------- progress panel ---------- */
.progress-wrap{
  display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:3rem;
  align-items:start;
}
.task-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.task-item{
  display:flex;
  align-items:center;
  gap:1rem;
  padding:1.15rem 1.5rem;
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.task-item:last-child{border-bottom:0;}
.task-item:hover{background:rgba(200,241,105,.08);}
.task-item__check{
  width:26px;height:26px;
  border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:.72rem;
  flex:0 0 auto;
}
.task-item__check--done{background:var(--lime);color:var(--ink);}
.task-item__check--doing{background:rgba(224,107,60,.16);color:var(--clay-deep);}
.task-item__check--wait{background:rgba(138,143,152,.14);color:var(--muted);}
.task-item__body{flex:1;min-width:0;}
.task-item__title{
  font-weight:700;
  color:var(--ink);
  font-size:.9375rem;
  margin:0 0 .15rem;
}
.task-item__desc{font-size:.8125rem;color:var(--muted);margin:0;}
.status{
  font-size:.75rem;
  font-weight:800;
  padding:.25rem .7rem;
  border-radius:var(--radius-pill);
  white-space:nowrap;
}
.status--done{background:rgba(200,241,105,.35);color:#3C6520;}
.status--doing{background:rgba(224,107,60,.14);color:var(--clay-deep);}
.status--wait{background:rgba(138,143,152,.14);color:#5C626B;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-3) 100%);
  border-radius:24px;
  padding:clamp(2.5rem,5vw,4rem);
  overflow:hidden;
  color:rgba(255,255,255,.8);
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:380px;height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,105,.28),transparent 68%);
}
.cta-band__inner{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  gap:2rem;
  align-items:center;
  justify-content:space-between;
}
.cta-band h2{color:#fff;margin-bottom:.6rem;}
.cta-band p{color:rgba(255,255,255,.76);margin-bottom:0;max-width:38em;}

/* ---------- news ---------- */
.filter-tags{
  display:flex;
  flex-wrap:wrap;
  gap:.6rem;
  margin-bottom:2rem;
}
.filter-tag{
  padding:.5rem 1.1rem;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:.875rem;
  font-weight:600;
  color:var(--text);
  transition:all .22s var(--ease);
}
.filter-tag:hover,.filter-tag.is-active{
  background:var(--ink);
  border-color:var(--ink);
  color:#fff;
}
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1.5rem;
}
.post-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.post-card__media{
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--sand);
}
.post-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.post-card:hover .post-card__media img{transform:scale(1.03);}
.post-card__body{
  padding:1.25rem 1.25rem 1.35rem;
  display:flex;
  flex-direction:column;
  flex:1;
}
.badge{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  padding:.22rem .7rem;
  border-radius:var(--radius-pill);
  font-size:.75rem;
  font-weight:700;
  margin-bottom:.8rem;
}
.badge--lime{background:rgba(200,241,105,.35);color:#3C6520;}
.post-card__title{
  font-size:1.125rem;
  margin:0 0 .6rem;
  line-height:1.45;
}
.post-card__title a:hover{color:var(--clay);}
.post-card__excerpt{
  font-size:.9375rem;
  color:var(--text);
  margin:0 0 1.1rem;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card__meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.8rem;
  font-size:.8125rem;
  color:var(--muted);
  padding-top:.9rem;
  border-top:1px solid var(--line);
}
.post-card__more{
  font-weight:700;
  color:var(--ink);
  white-space:nowrap;
}
.post-card__more:hover{color:var(--clay);}
.empty-state{
  background:var(--card);
  border:1px dashed var(--line);
  border-radius:var(--radius);
  padding:3.5rem 1.5rem;
  text-align:center;
}
.empty-state i{
  font-size:2rem;
  color:var(--muted);
  margin-bottom:1rem;
  display:block;
}
.empty-state p{margin:0 auto .4rem;color:var(--text);}
.empty-state span{font-size:.875rem;color:var(--muted);}
.empty-state .btn{margin-top:1.4rem;}

/* ---------- faq ---------- */
.faq{
  border:0;
  background:transparent;
}
.faq .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:10px;
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq .accordion-item:hover{border-color:rgba(14,42,34,.28);}
.faq .accordion-title{
  position:relative;
  border:0;
  background:transparent;
  padding:1.15rem 3.2rem 1.15rem 1.4rem;
  font-size:1.0625rem;
  font-weight:700;
  color:var(--ink);
  line-height:1.6;
}
.faq .accordion-title::before{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:1.4rem;
  top:50%;
  transform:translateY(-50%);
  font-size:.85rem;
  color:var(--clay);
  transition:transform .24s var(--ease);
}
.faq .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);}
.faq .accordion-item.is-active{border-color:rgba(14,42,34,.24);box-shadow:var(--shadow);}
.faq .accordion-item.is-active .accordion-title{
  padding-left:1.55rem;
  font-weight:800;
}
.faq .accordion-item.is-active .accordion-title::after{
  content:"";
  position:absolute;
  left:0;top:.9rem;bottom:.9rem;
  width:3px;
  border-radius:3px;
  background:var(--lime);
}
.faq .accordion-content{
  border:0;
  padding:0 1.55rem 1.4rem;
  color:var(--text);
  font-size:.9375rem;
  background:transparent;
}
.faq .accordion-content p{margin-bottom:0;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:clamp(3rem,6vw,5rem) 0 2rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.4fr;
  gap:2.2rem;
  padding-bottom:2.5rem;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:.6rem;
  font-family:"Space Grotesk","Noto Sans SC",sans-serif;
  font-weight:700;
  font-size:1.22rem;
  color:#fff;
  margin-bottom:1rem;
}
.footer-brand .brand__mark{box-shadow:0 0 0 4px rgba(200,241,105,.18);}
.site-footer p{font-size:.9375rem;color:rgba(255,255,255,.62);max-width:32em;}
.footer-title{
  color:#fff;
  font-size:.9375rem;
  font-weight:800;
  margin:0 0 1rem;
  letter-spacing:.02em;
}
.footer-list li{margin-bottom:.65rem;}
.footer-list a{
  font-size:.9375rem;
  color:rgba(255,255,255,.68);
}
.footer-list a:hover{color:var(--lime);}
.footer-form{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;
  padding:1.25rem;
}
.footer-form label{
  display:block;
  font-size:.8125rem;
  color:rgba(255,255,255,.66);
  margin-bottom:.4rem;
}
.footer-form input,
.footer-form textarea{
  width:100%;
  background:var(--sand-2);
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  padding:.7rem .85rem;
  color:var(--black);
  margin-bottom:.85rem;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.footer-form input::placeholder,
.footer-form textarea::placeholder{color:#9AA0A8;}
.footer-form input:focus,
.footer-form textarea:focus{
  outline:none;
  border-color:var(--ink);
  box-shadow:0 0 0 2px var(--lime);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:.75rem 1.5rem;
  align-items:center;
  justify-content:space-between;
  padding-top:1.6rem;
  font-size:.8125rem;
  color:rgba(255,255,255,.5);
}
.footer-keys{display:flex;flex-wrap:wrap;gap:.5rem;}
.footer-keys span{
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-pill);
  padding:.2rem .7rem;
}

/* ---------- reveal ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .42s var(--ease),transform .42s var(--ease);
}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .main-nav{
    position:fixed;
    inset:0;
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    justify-content:center;
    gap:1.1rem;
    padding:6rem 2rem 4rem;
    margin:0;
    background:rgba(14,42,34,.97);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    transform:translateX(100%);
    transition:transform .34s var(--ease);
    z-index:110;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav .nav-link{
    font-size:1.25rem;
    font-weight:700;
    color:rgba(255,255,255,.9);
    width:100%;
    padding:.55rem 0;
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .main-nav .nav-link.is-active{color:var(--lime);}
  .nav-toggle{display:inline-flex;position:relative;z-index:130;}
  .header-actions .btn--primary{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:2.5rem;}
  .hero{padding-top:8rem;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem 1.5rem;}
  .step{padding-right:0;}
  .step:not(:last-child)::after{display:none;}
  .reward-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .progress-wrap{grid-template-columns:1fr;gap:2rem;}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .hero{min-height:70vh;padding:7rem 0 3.5rem;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-stats{gap:1.4rem;}
  .hero-stat__num{font-size:1.5rem;}
  .steps{grid-template-columns:1fr;}
  .reward-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{border-radius:18px;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
}
@media (max-width:479px){
  .container{padding:0 1rem;}
  .header-inner{gap:.6rem;}
  .brand{font-size:1.05rem;}
  .task-item{padding:1rem;gap:.7rem;}
  .task-item__desc{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
  .bar__fill{width:var(--w,60%);}
}

/* roulang page: article */
:root{
  --ink:#0E2A22;
  --ink-soft:#173E33;
  --sand:#F3EFE7;
  --lime:#C8F169;
  --clay:#E06B3C;
  --black:#15171A;
  --text:#4B5563;
  --text-strong:#374151;
  --muted:#8A8F98;
  --line:#E3DED3;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04),0 12px 32px rgba(14,42,34,.08);
  --shadow-lg:0 18px 48px rgba(14,42,34,.14);
  --container:1200px;
  --band:clamp(3.5rem,7vw,6.5rem);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:1rem;
  line-height:1.8;
  color:var(--text);
  background:var(--sand);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.03em;line-height:1.25}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.4em}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:var(--band) 0}
.section--tight{padding:calc(var(--band) * .62) 0}
.section-head{max-width:720px;margin-bottom:clamp(1.6rem,3vw,2.4rem)}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink);background:rgba(200,241,105,.5);
  border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.75rem,3.4vw,2.6rem);margin-bottom:.5em}
.section-head p{margin:0;color:var(--text);font-size:1.0625rem}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:.9375rem;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .24s ease,background-color .24s ease,color .24s ease,box-shadow .24s ease,border-color .24s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--clay);color:#fff;box-shadow:0 10px 24px rgba(224,107,60,.28)}
.btn--primary:hover{background:#c9572b;transform:translateY(-2px);box-shadow:0 16px 32px rgba(224,107,60,.34)}
.btn--lime{background:var(--lime);color:var(--ink);box-shadow:0 10px 24px rgba(200,241,105,.22)}
.btn--lime:hover{background:#b8e455;transform:translateY(-2px)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--ink-soft);transform:translateY(-2px)}
.btn--ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.42)}
.btn--ghost:hover{background:rgba(200,241,105,.16);border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--outline:hover{border-color:var(--ink);background:rgba(200,241,105,.18);transform:translateY(-2px)}
.btn--sm{padding:10px 18px;font-size:.875rem}
.btn--block{width:100%}
.btn:active{transform:translateY(0)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(246,243,236,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 6px 24px rgba(14,42,34,.08);
  transition:background-color .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-stuck{
  background:rgba(14,42,34,.96);
  border-bottom-color:rgba(255,255,255,.12);
  box-shadow:0 14px 36px rgba(14,42,34,.24);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:1.125rem;font-weight:900;letter-spacing:-.02em}
.brand__mark{
  width:13px;height:13px;border-radius:4px;
  background:linear-gradient(135deg,var(--lime) 0%,var(--clay) 100%);
  box-shadow:0 0 0 3px rgba(200,241,105,.18);
  flex:0 0 auto;
}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;border-radius:8px;
  font-size:.9375rem;font-weight:500;color:rgba(255,255,255,.86);
  transition:color .24s ease,background-color .24s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--lime);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);
  color:#fff;font-size:1.05rem;cursor:pointer;transition:background-color .24s ease;
}
.nav-toggle:hover{background:rgba(200,241,105,.22)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;color:#fff;padding:150px 0 76px;
  background-image:linear-gradient(115deg,rgba(14,42,34,.94) 0%,rgba(14,42,34,.78) 46%,rgba(14,42,34,.5) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(180deg,rgba(243,239,231,0) 0%,rgba(243,239,231,.92) 100%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.8125rem;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.breadcrumb .current{color:rgba(255,255,255,.95);font-weight:500}
.article-badges{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:.75rem;font-weight:700;letter-spacing:.06em;
  background:rgba(200,241,105,.18);color:var(--lime);
  border:1px solid rgba(200,241,105,.4);
}
.badge--soft{background:rgba(255,255,255,.1);color:rgba(255,255,255,.9);border-color:rgba(255,255,255,.24)}
.article-hero h1{
  color:#fff;font-size:clamp(1.9rem,4.4vw,3.1rem);line-height:1.24;
  max-width:900px;margin-bottom:20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  font-size:.875rem;color:rgba(255,255,255,.78);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--lime)}
.article-cover{
  margin-top:34px;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 26px 60px rgba(0,0,0,.28);
}
.article-cover img{width:100%;height:clamp(210px,32vw,400px);object-fit:cover}

/* ---------- 文章主体 ---------- */
.article-body{padding:clamp(2.4rem,5vw,4rem) 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-main{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:clamp(22px,3.6vw,48px);box-shadow:var(--shadow-sm);
}
.article-content{max-width:780px;margin:0 auto;font-size:1.0625rem;line-height:1.85;color:var(--text-strong)}
.article-content > *:first-child{margin-top:0}
.article-content p{margin:0 0 1.25em;max-width:42em}
.article-content h2{
  font-size:clamp(1.35rem,2.4vw,1.7rem);color:var(--ink);
  border-left:4px solid var(--lime);padding-left:14px;
  margin:2.4em 0 .9em;letter-spacing:-.02em;
}
.article-content h3{font-size:1.25rem;color:var(--ink);margin:2em 0 .7em}
.article-content h4{font-size:1.0625rem;color:var(--ink);margin:1.6em 0 .6em}
.article-content a{color:var(--ink);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--lime);text-decoration-thickness:2px}
.article-content a:hover{color:var(--clay)}
.article-content strong{color:var(--ink);font-weight:700}
.article-content blockquote{
  margin:1.8em 0;padding:18px 22px;
  border-left:3px solid var(--lime);background:var(--sand);
  border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:#33403B;font-size:1rem;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content ul,.article-content ol{padding-left:1.35em;margin:0 0 1.35em}
.article-content li{margin-bottom:.55em}
.article-content img{border-radius:var(--radius-img);margin:1.6em 0}
.article-content figure{margin:1.8em 0}
.article-content figure img{margin:0}
.article-content figcaption{
  text-align:center;font-size:.8125rem;color:var(--muted);margin-top:.75em;
}
.article-content .table-scroll{overflow-x:auto;margin:1.8em 0;border:1px solid var(--line);border-radius:var(--radius-img)}
.article-content table{width:100%;min-width:520px;border-collapse:collapse;font-size:.9375rem}
.article-content th,.article-content td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.article-content th{background:var(--sand);color:var(--ink);font-weight:700}
.article-content tr:last-child td{border-bottom:none}
.article-content pre{
  background:#10231D;color:#DDE7E1;border-radius:var(--radius-img);
  padding:18px 20px;overflow-x:auto;font-size:.875rem;line-height:1.7;margin:1.8em 0;
}
.article-content code{font-family:"Space Grotesk",ui-monospace,Menlo,monospace}
.article-content p code,.article-content li code{
  background:var(--sand);color:var(--ink);padding:2px 7px;border-radius:6px;font-size:.9em;
}
.article-content hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}
.article-empty{
  max-width:780px;margin:0 auto;text-align:center;padding:48px 20px;
}
.article-empty .empty-icon{
  width:64px;height:64px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(200,241,105,.28);color:var(--ink);font-size:1.5rem;
}
.article-empty h2{font-size:1.5rem;margin-bottom:.5em}
.article-empty p{color:var(--muted);margin-bottom:1.6em}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:1rem;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--clay);font-size:.9rem}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.toc-list a{
  display:block;font-size:.875rem;color:var(--text);padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:var(--sand);color:var(--ink);border-left-color:var(--lime)}
.toc-list .toc-sub a{padding-left:22px;font-size:.8125rem;color:var(--muted)}
.toc-empty{font-size:.875rem;color:var(--muted)}
.side-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.side-links a{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--text)}
.side-links a:hover{color:var(--ink)}
.side-links i{color:var(--lime);margin-top:5px;font-size:.7rem}
.side-cta{
  background:var(--ink);color:#fff;border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-lg);
}
.side-cta h3{color:#fff;font-size:1.125rem;margin-bottom:10px}
.side-cta p{color:rgba(255,255,255,.74);font-size:.875rem;margin-bottom:18px}

/* ---------- 文末 ---------- */
.article-footer{max-width:780px;margin:44px auto 0;padding-top:26px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:.8125rem;
  background:var(--sand);border:1px solid var(--line);color:var(--ink);
}
.tag:hover{border-color:var(--lime);background:rgba(200,241,105,.22)}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:.875rem;color:var(--muted)}
.share-row button{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:.8125rem;cursor:pointer;
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.share-row button:hover{border-color:var(--lime);background:rgba(200,241,105,.2);transform:translateY(-2px)}
.back-row{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 相关推荐 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(200,241,105,.8)}
.rel-card__media{overflow:hidden;aspect-ratio:16/10;background:var(--sand)}
.rel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rel-card:hover .rel-card__media img{transform:scale(1.03)}
.rel-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card__meta{display:flex;align-items:center;gap:12px;font-size:.8125rem;color:var(--muted)}
.rel-card__meta .chip{
  background:rgba(200,241,105,.32);color:var(--ink);border-radius:999px;
  padding:3px 10px;font-size:.75rem;font-weight:700;
}
.rel-card h3{font-size:1.125rem;line-height:1.45}
.rel-card p{
  margin:0;font-size:.9375rem;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card .more{margin-top:auto;font-size:.875rem;font-weight:700;color:var(--clay);display:inline-flex;align-items:center;gap:6px}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.cat-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 20px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.cat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--lime)}
.cat-item .num{
  font-family:"Space Grotesk",sans-serif;font-size:.75rem;font-weight:700;
  color:var(--clay);letter-spacing:.14em;
}
.cat-item h3{font-size:1rem;margin:10px 0 8px}
.cat-item p{margin:0;font-size:.8125rem;color:var(--muted);line-height:1.7}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink);color:#fff;padding:clamp(3rem,6vw,5rem) 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,105,.22) 0%,rgba(200,241,105,0) 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center}
.cta-inner h2{color:#fff;font-size:clamp(1.7rem,3.2vw,2.4rem);margin-bottom:.55em}
.cta-inner p{color:rgba(255,255,255,.76);margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.76);padding:clamp(3rem,6vw,5rem) 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:1.125rem;font-weight:900;margin-bottom:14px}
.site-footer p{font-size:.875rem;line-height:1.85;margin:0}
.footer-title{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:16px;letter-spacing:0}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:.875rem;color:rgba(255,255,255,.72)}
.footer-list a:hover{color:var(--lime)}
.footer-form{display:flex;flex-direction:column;gap:8px}
.footer-form label{font-size:.8125rem;color:rgba(255,255,255,.6)}
.footer-form input,.footer-form textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:.875rem;transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:rgba(255,255,255,.42)}
.footer-form input:focus,.footer-form textarea:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,241,105,.28);
}
.footer-form textarea{resize:vertical}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:.8125rem;color:rgba(255,255,255,.6);
}
.footer-keys{display:flex;flex-wrap:wrap;gap:8px}
.footer-keys span{
  padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);font-size:.75rem;
}

/* ---------- 动效 ---------- */
.fade-up{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s ease}
.fade-up.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .fade-up{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 296px;gap:34px}
  .cat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;inset:0;z-index:70;
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    gap:6px;padding:110px 28px 40px;
    background:rgba(14,42,34,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .26s ease,transform .26s ease,visibility .26s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav-link{font-size:1.125rem;padding:14px 10px;width:100%;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-link::after{display:none}
  .article-layout{grid-template-columns:1fr}
  .article-side{position:static}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .header-inner{height:68px}
  .article-hero{padding:120px 0 60px}
  .article-hero h1{font-size:clamp(1.6rem,6vw,2.1rem)}
  .article-meta{gap:12px;font-size:.8125rem}
  .article-cover img{height:200px}
  .article-main{padding:22px 18px}
  .article-content p{max-width:100%}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rel-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-actions .btn{display:none}
  .cat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .article-hero{padding:110px 0 48px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --ink:#0E2A22;
  --ink-2:#173B30;
  --sand:#F3EFE7;
  --sand-2:#EAE4D8;
  --lime:#C8F169;
  --clay:#E06B3C;
  --clay-dark:#C5572C;
  --black:#15171A;
  --text:#4B5563;
  --muted:#8A8F98;
  --line:#E3DED3;
  --white:#FFFFFF;
  --radius:16px;
  --radius-sm:10px;
  --pill:999px;
  --shadow:0 1px 2px rgba(0,0,0,.04), 0 12px 32px rgba(14,42,34,.08);
  --shadow-lg:0 18px 48px rgba(14,42,34,.14);
  --container:1200px;
  --sp:clamp(4rem,8vw,7.5rem);
  --ease:240ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:1rem;
  line-height:1.8;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);font-weight:900;letter-spacing:-.03em;line-height:1.24;margin:0;}
h1{font-size:clamp(2.4rem,6vw,4.8rem);}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem);}
h3{font-size:1.3rem;font-weight:700;letter-spacing:-.02em;}
p{margin:0 0 1.2em;max-width:42em;}
a{color:var(--ink);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--clay);}
img{max-width:100%;display:block;}
button,input,textarea,select{font-family:inherit;font-size:1rem;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container--wide{max-width:1320px;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:1000;
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
  background:rgba(246,243,236,.14);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 4px 24px rgba(14,42,34,.06);
}
.site-header.is-stuck{
  background:rgba(243,239,231,.96);
  border-bottom-color:var(--line);
  box-shadow:0 8px 32px rgba(14,42,34,.14);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:76px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  font-size:1.15rem;
  letter-spacing:-.02em;
  color:var(--ink);
  white-space:nowrap;
}
.site-header:not(.is-stuck) .brand{color:#fff;}
.brand__mark{
  width:14px;height:14px;border-radius:4px;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,241,105,.22);
  flex:0 0 auto;
}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:.9375rem;
  font-weight:500;
  color:rgba(255,255,255,.9);
  border-radius:8px;
  white-space:nowrap;
}
.site-header.is-stuck .nav-link{color:var(--text);}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1);}
.nav-link:hover{color:#fff;}
.site-header.is-stuck .nav-link:hover{color:var(--ink);}
.nav-link.is-active{color:var(--lime);font-weight:700;}
.site-header.is-stuck .nav-link.is-active{color:var(--ink);}
.site-header.is-stuck .nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.12);
  color:#fff;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.site-header.is-stuck .nav-toggle{color:var(--ink);border-color:var(--line);background:var(--white);}
.nav-toggle:hover{background:rgba(200,241,105,.24);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-sm);
  font-weight:700;
  font-size:.9375rem;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  text-align:center;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn:active{transform:translateY(0);}
.btn--primary{background:var(--clay);color:#fff;}
.btn--primary:hover{background:var(--clay-dark);color:#fff;}
.btn--lime{background:var(--lime);color:var(--ink);}
.btn--lime:hover{background:#b7e455;color:var(--ink);}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn--ghost:hover{background:rgba(200,241,105,.14);color:#fff;border-color:var(--lime);}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn--outline:hover{background:rgba(14,42,34,.06);color:var(--ink);}
.btn--sm{padding:10px 18px;font-size:.875rem;}
.btn--block{width:100%;}

/* ============ 小 KV ============ */
.page-kv{
  position:relative;
  padding:calc(76px + clamp(3rem,7vw,5.5rem)) 0 clamp(3rem,6vw,5rem);
  background-image:linear-gradient(115deg,rgba(14,42,34,.94) 0%,rgba(14,42,34,.72) 46%,rgba(14,42,34,.32) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-kv::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,105,.30),transparent 66%);
  pointer-events:none;
}
.page-kv h1{color:#fff;max-width:15em;}
.page-kv .kv-sub{
  margin-top:18px;
  font-size:clamp(1rem,1.5vw,1.15rem);
  color:rgba(255,255,255,.86);
  max-width:38em;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  color:rgba(255,255,255,.7);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span.sep{opacity:.5;}
.kv-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--pill);
  font-size:.75rem;
  font-weight:500;
  letter-spacing:.02em;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
}
.tag--lime{background:rgba(200,241,105,.18);border-color:rgba(200,241,105,.5);color:var(--lime);}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:clamp(2rem,4vw,3rem);
  padding:26px 28px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  backdrop-filter:blur(10px);
  position:relative;
  z-index:2;
}
.stat-item{border-left:2px solid rgba(200,241,105,.5);padding-left:16px;}
.stat-item:first-child{border-left-color:transparent;padding-left:0;}
.stat-num{
  font-family:"Space Grotesk","Noto Sans SC",sans-serif;
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:700;
  color:var(--lime);
  line-height:1.1;
  letter-spacing:-.02em;
}
.stat-label{font-size:.8125rem;color:rgba(255,255,255,.78);margin-top:6px;}

/* ============ 主体布局 ============ */
.section{padding:var(--sp) 0;}
.section--sand{background:var(--sand);}
.section--white{background:var(--white);}
.section--dark{background:var(--ink);color:rgba(255,255,255,.82);}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:clamp(1.5rem,3vw,2.25rem);}
.section-head p{margin-bottom:0;color:var(--text);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--clay);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--lime);
  display:inline-block;
  border-radius:2px;
}

.doc-layout{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:clamp(2rem,4vw,3.5rem);
  align-items:start;
}
.toc{
  position:sticky;
  top:104px;
  padding:24px 22px;
  border-radius:var(--radius);
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.toc h3{font-size:.9375rem;margin-bottom:14px;letter-spacing:0;}
.toc ol{counter-reset:toc;}
.toc li{counter-increment:toc;}
.toc a{
  display:flex;
  gap:10px;
  padding:9px 10px;
  border-radius:8px;
  font-size:.875rem;
  color:var(--text);
  line-height:1.5;
  transition:background var(--ease),color var(--ease),padding-left var(--ease);
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);
  font-family:"Space Grotesk",sans-serif;
  font-size:.75rem;
  color:var(--muted);
  padding-top:2px;
}
.toc a:hover{background:var(--sand);color:var(--ink);padding-left:14px;}
.toc a:hover::before{color:var(--clay);}
.toc .toc-cta{
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.toc .toc-cta p{font-size:.8125rem;color:var(--muted);margin-bottom:12px;line-height:1.6;}

.article-body{max-width:820px;}
.article-body h2{
  position:relative;
  padding-left:20px;
  margin:clamp(2.5rem,5vw,3.5rem) 0 1rem;
  font-size:clamp(1.5rem,2.6vw,2rem);
  scroll-margin-top:110px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:5px;height:1.05em;
  background:var(--lime);
  border-radius:3px;
}
.article-body h3{margin:2rem 0 .75rem;scroll-margin-top:110px;}
.article-body ul.plain{list-style:none;margin:0 0 1.4em;}
.article-body ul.plain li{
  position:relative;
  padding-left:24px;
  margin-bottom:.6em;
}
.article-body ul.plain li::before{
  content:"";
  position:absolute;
  left:4px;top:.72em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--clay);
}
.note-box{
  margin:1.8em 0;
  padding:22px 24px;
  border-left:3px solid var(--lime);
  background:var(--sand);
  border-radius:0 12px 12px 0;
}
.note-box strong{color:var(--ink);display:block;margin-bottom:6px;}
.note-box p{margin:0;font-size:.9375rem;}

/* 功能小卡 */
.feature-mini{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  margin:1.8em 0;
}
.mini-card{
  padding:20px;
  border-radius:var(--radius);
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.mini-card .num{
  font-family:"Space Grotesk",sans-serif;
  font-size:.75rem;
  font-weight:700;
  color:var(--clay);
  letter-spacing:.1em;
}
.mini-card h4{margin:8px 0 6px;font-size:1.0625rem;font-weight:700;color:var(--ink);}
.mini-card p{margin:0;font-size:.9rem;color:var(--text);}

/* 表格 */
.table-wrap{
  margin:2em 0;
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--white);
  box-shadow:var(--shadow);
}
table.compare{width:100%;border-collapse:collapse;min-width:620px;font-size:.9rem;}
table.compare th,table.compare td{
  padding:14px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.compare thead th{
  background:var(--ink);
  color:#fff;
  font-weight:700;
  font-size:.8125rem;
  letter-spacing:.04em;
  white-space:nowrap;
}
table.compare tbody tr:last-child td{border-bottom:none;}
table.compare tbody tr:hover{background:var(--sand);}
table.compare td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}

/* ============ 模块卡片网格 ============ */
.module-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.module-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--radius);
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.module-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.module-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--sand-2);
}
.module-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease;}
.module-card:hover .module-thumb img{transform:scale(1.03);}
.module-badge{
  position:absolute;
  left:14px;top:14px;
  padding:5px 12px;
  border-radius:var(--pill);
  font-size:.75rem;
  font-weight:700;
  background:var(--lime);
  color:var(--ink);
}
.module-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.module-card__body h3{font-size:1.125rem;}
.module-card__body p{margin:0;font-size:.9375rem;color:var(--text);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.module-meta{display:flex;align-items:center;gap:10px;font-size:.8125rem;color:var(--muted);margin-top:auto;padding-top:8px;}
.module-meta i{color:var(--clay);}

/* ============ 适用场景时间线 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;top:6px;bottom:6px;
  width:2px;
  background:linear-gradient(180deg,var(--lime),rgba(200,241,105,.1));
}
.tl-item{position:relative;padding:0 0 30px 62px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:8px;top:2px;
  width:24px;height:24px;
  border-radius:50%;
  background:var(--white);
  border:2px solid var(--lime);
  display:flex;align-items:center;justify-content:center;
}
.tl-dot i{font-size:.625rem;color:var(--ink);}
.tl-item h3{font-size:1.0625rem;margin-bottom:6px;}
.tl-item p{margin:0;font-size:.9375rem;}

/* ============ FAQ ============ */
.faq-shell{max-width:880px;margin:0 auto;}
.accordion{border:none;background:transparent;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--white);
  margin-bottom:10px;
  overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.accordion .accordion-item:hover{border-color:#cfc8b9;box-shadow:var(--shadow);}
.accordion .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:1.0625rem;
  font-weight:500;
  color:var(--ink);
  border:none;
  background:transparent;
  position:relative;
  transition:background var(--ease),color var(--ease);
}
.accordion .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:.75rem;
  color:var(--clay);
  order:2;
  flex:0 0 auto;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--sand);
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.accordion .accordion-title[aria-expanded="true"]{
  font-weight:700;
  background:var(--sand);
}
.accordion .accordion-title[aria-expanded="true"]::before{
  content:"\f068";
  background:var(--lime);
  color:var(--ink);
}
.accordion .accordion-item.is-active{
  border-color:var(--ink);
  box-shadow:var(--shadow);
}
.accordion .accordion-content{
  padding:0 24px 22px 24px;
  border:none;
  background:var(--white);
  color:var(--text);
  font-size:.9375rem;
  line-height:1.8;
  border-left:3px solid var(--lime);
  margin-left:0;
}
.accordion .accordion-content p{margin:0;}
.accordion-title:hover{color:var(--clay);}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  background:var(--ink);
  border-radius:24px;
  padding:clamp(2.5rem,5vw,4rem);
  overflow:hidden;
  text-align:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-100px;top:-120px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,105,.22),transparent 68%);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,107,60,.28),transparent 68%);
}
.cta-band h2{color:#fff;position:relative;z-index:1;}
.cta-band p{
  color:rgba(255,255,255,.78);
  margin:14px auto 28px;
  max-width:36em;
  position:relative;
  z-index:1;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;position:relative;z-index:1;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.76);
  padding:clamp(3.5rem,7vw,5.5rem) 0 28px;
  font-size:.9375rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.35fr;
  gap:clamp(1.75rem,4vw,3rem);
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  font-size:1.15rem;
  color:#fff;
  margin-bottom:16px;
}
.site-footer p{color:rgba(255,255,255,.66);font-size:.875rem;line-height:1.8;margin:0;}
.footer-title{
  color:#fff;
  font-size:.9375rem;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:0;
}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,255,255,.72);font-size:.875rem;}
.footer-list a:hover{color:var(--lime);}
.footer-form label{
  display:block;
  font-size:.8125rem;
  color:rgba(255,255,255,.6);
  margin-bottom:6px;
}
.footer-form input,
.footer-form textarea{
  width:100%;
  padding:12px 14px;
  margin-bottom:14px;
  border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.07);
  color:#fff;
  font-size:.875rem;
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.footer-form input::placeholder,
.footer-form textarea::placeholder{color:rgba(255,255,255,.42);}
.footer-form input:focus,
.footer-form textarea:focus{
  outline:none;
  border-color:var(--lime);
  background:rgba(255,255,255,.12);
  box-shadow:0 0 0 3px rgba(200,241,105,.28);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:24px;
  font-size:.8125rem;
  color:rgba(255,255,255,.55);
}
.footer-keys{display:flex;flex-wrap:wrap;gap:16px;}
.footer-keys span{position:relative;padding-left:14px;}
.footer-keys span::before{
  content:"";
  position:absolute;left:0;top:.5em;
  width:6px;height:6px;border-radius:50%;
  background:var(--lime);
  opacity:.7;
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 420ms ease,transform 420ms ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{
    position:fixed;
    inset:0 0 0 0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:104px 28px 40px;
    background:rgba(14,42,34,.96);
    backdrop-filter:blur(16px);
    transform:translateX(100%);
    transition:transform 280ms cubic-bezier(.4,0,.2,1);
    overflow-y:auto;
    z-index:990;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav .nav-link{
    color:rgba(255,255,255,.9);
    font-size:1.0625rem;
    padding:14px 10px;
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .main-nav .nav-link.is-active{color:var(--lime);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;z-index:1000;}
  .header-actions .btn{display:none;}
  .doc-layout{grid-template-columns:1fr;}
  .toc{position:static;order:2;margin-top:12px;}
  .article-body{order:1;max-width:none;}
  .module-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(3){border-left-color:transparent;padding-left:0;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .page-kv{padding-top:calc(76px + 2.5rem);}
  .feature-mini{grid-template-columns:1fr;}
  .module-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
  h1{font-size:clamp(2rem,8vw,2.6rem);}
  .accordion .accordion-title{padding:16px 18px;font-size:1rem;}
  .accordion .accordion-content{padding:0 18px 18px;}
  .timeline::before{left:15px;}
  .tl-item{padding-left:52px;}
  .tl-dot{left:4px;}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr;padding:20px;}
  .stat-item{border-left-color:transparent;padding-left:0;border-top:1px solid rgba(255,255,255,.16);padding-top:14px;}
  .stat-item:first-child{border-top:none;padding-top:0;}
  .kv-tags .tag{font-size:.6875rem;padding:5px 11px;}
  .module-card__body{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#0E2A22;
  --ink-soft:#174034;
  --sand:#F3EFE7;
  --sand-2:#FBF9F4;
  --lime:#C8F169;
  --clay:#E06B3C;
  --black:#15171A;
  --text:#4B5563;
  --muted:#8A8F98;
  --line:#E3DED3;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04),0 12px 32px rgba(14,42,34,.08);
  --shadow-lg:0 18px 48px rgba(14,42,34,.14);
  --container:1200px;
  --section-y:clamp(4rem,8vw,7.5rem);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--sand-2);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
h1,h2,h3,h4{font-family:'Noto Sans SC','Source Han Sans SC','PingFang SC',Helvetica,sans-serif;color:var(--ink);margin:0 0 .6em;font-weight:800;letter-spacing:-.03em;line-height:1.25}
h1{font-size:clamp(2.2rem,5.2vw,4rem);font-weight:900}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem)}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1.2em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(200,241,105,.95);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 1.25rem}
.section{padding:var(--section-y) 0}
.section--sand{background:var(--sand)}
.section--white{background:#fff}
.section--dark{background:var(--ink);color:rgba(255,255,255,.82)}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:clamp(2rem,4vw,3rem)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--clay);margin-bottom:.85rem}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--clay);display:block}
.lead{font-size:1.0625rem;color:var(--text);max-width:44em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.9rem 1.7rem;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:.95rem;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  will-change:transform;
}
.btn i{font-size:.85em}
.btn--primary{background:var(--clay);color:#fff;box-shadow:0 10px 24px rgba(224,107,60,.28)}
.btn--primary:hover,.btn--primary:focus{background:#c85a2e;color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(224,107,60,.34)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.5);color:#fff}
.btn--ghost:hover,.btn--ghost:focus{background:rgba(200,241,105,.14);border-color:var(--lime);color:#fff;transform:translateY(-2px)}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover,.btn--lime:focus{background:#d6f78c;color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 30px rgba(200,241,105,.28)}
.btn--outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn--outline:hover,.btn--outline:focus{border-color:var(--ink);background:#fff;color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn--sm{padding:.58rem 1.1rem;font-size:.85rem}
.btn--block{width:100%}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(246,243,236,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 8px 30px rgba(0,0,0,.08);
  transition:background-color .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-stuck{
  background:rgba(14,42,34,.97);
  border-bottom-color:rgba(255,255,255,.14);
  box-shadow:0 14px 40px rgba(14,42,34,.28);
}
.header-inner{display:flex;align-items:center;gap:1.5rem;height:76px}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-size:1.2rem;font-weight:900;letter-spacing:-.02em;color:#fff;flex:0 0 auto}
.brand:hover{color:#fff}
.brand__mark{width:14px;height:14px;border-radius:4px;background:var(--lime);box-shadow:0 0 0 4px rgba(200,241,105,.18);display:inline-block}
.main-nav{display:flex;align-items:center;gap:.35rem;margin-left:auto}
.nav-link{
  position:relative;padding:.55rem .8rem;font-size:.9375rem;font-weight:500;color:rgba(255,255,255,.84);
  border-radius:8px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:.8rem;right:.8rem;bottom:.2rem;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .26s ease;
}
.nav-link:hover,.nav-link:focus{color:#fff;background:rgba(255,255,255,.08)}
.nav-link:hover::after,.nav-link:focus::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--lime);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:.6rem;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:1.05rem;cursor:pointer;transition:background-color .22s ease;
}
.nav-toggle:hover{background:rgba(200,241,105,.18)}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:calc(76px + clamp(3rem,7vw,5.5rem)) 0 clamp(3rem,7vw,5rem);
  background-image:linear-gradient(105deg,rgba(14,42,34,.95) 0%,rgba(14,42,34,.78) 48%,rgba(14,42,34,.42) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,105,.28),rgba(200,241,105,0) 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:.5rem;font-size:.8125rem;color:rgba(255,255,255,.68);margin-bottom:1.1rem;flex-wrap:wrap}
.crumbs a:hover{color:var(--lime)}
.crumbs span.sep{opacity:.5}
.page-hero h1{color:#fff;max-width:20em;margin-bottom:.55rem}
.page-hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:1.0625rem;color:rgba(255,255,255,.82);max-width:40em;margin-bottom:1.8rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-bottom:2.4rem}
.hero-strip{
  display:flex;flex-wrap:wrap;gap:clamp(1.2rem,4vw,3.2rem);
  padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.18);
}
.hero-strip .fact{min-width:140px}
.hero-strip .fact b{display:block;font-family:'Space Grotesk',sans-serif;font-size:1.65rem;font-weight:700;color:var(--lime);letter-spacing:-.02em}
.hero-strip .fact span{font-size:.8125rem;color:rgba(255,255,255,.7)}

/* ---------- 双栏交替 ---------- */
.alt-row{
  display:grid;grid-template-columns:1.02fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center;
  padding:clamp(2rem,4vw,3rem) 0;
}
.alt-row + .alt-row{border-top:1px dashed var(--line)}
.alt-media{position:relative}
.alt-media img{width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow-sm);transition:transform .4s ease,box-shadow .4s ease}
.alt-media:hover img{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.alt-media .media-tag{
  position:absolute;left:14px;top:14px;background:rgba(14,42,34,.86);color:var(--lime);
  font-size:.75rem;font-weight:700;letter-spacing:.08em;padding:.35rem .75rem;border-radius:999px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.alt-body h3{font-size:clamp(1.35rem,2.4vw,1.75rem);margin-bottom:.5rem}
.num-badge{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--ink);color:var(--lime);font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:.9rem;
  margin-bottom:.9rem;
}
.tick-list{margin-top:1.2rem;display:grid;gap:.6rem}
.tick-list li{position:relative;padding-left:1.7rem;font-size:.95rem;color:var(--text)}
.tick-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.72rem;color:var(--ink);
  position:absolute;left:0;top:.42rem;width:18px;height:18px;border-radius:50%;background:var(--lime);
  display:grid;place-items:center;
}

/* ---------- 数据卡片 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:1.6rem 1.4rem;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stat-card .stat-ico{
  width:38px;height:38px;border-radius:10px;background:rgba(200,241,105,.4);color:var(--ink);
  display:grid;place-items:center;margin-bottom:1rem;font-size:.95rem;
}
.stat-num{font-family:'Space Grotesk',sans-serif;font-size:clamp(1.7rem,2.8vw,2.2rem);font-weight:700;color:var(--ink);line-height:1.1;letter-spacing:-.02em}
.stat-num small{font-size:.55em;margin-left:.15rem;color:var(--clay);font-weight:700}
.stat-card p{margin:.5rem 0 0;font-size:.9rem;color:var(--muted)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:8px}
.timeline::before{
  content:"";position:absolute;left:30px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--lime),rgba(200,241,105,.15));
}
.tl-item{position:relative;padding:0 0 1.6rem 78px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:15px;top:2px;width:32px;height:32px;border-radius:50%;
  background:var(--ink);border:2px solid var(--lime);color:var(--lime);
  display:grid;place-items:center;font-family:'Space Grotesk',sans-serif;font-size:.8rem;font-weight:700;
}
.tl-item h3{font-size:1.1rem;margin-bottom:.25rem}
.tl-item p{margin:0;font-size:.9375rem;color:var(--text)}
.tl-meta{display:inline-block;margin-top:.5rem;font-size:.75rem;font-weight:700;color:var(--clay);letter-spacing:.06em}

/* ---------- 状态与进度 ---------- */
.progress-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:clamp(1.4rem,3vw,2rem);box-shadow:var(--shadow-sm);
}
.task-line{display:grid;gap:.7rem;padding:1rem 0;border-bottom:1px dashed var(--line)}
.task-line:last-child{border-bottom:0;padding-bottom:0}
.task-line:first-child{padding-top:0}
.task-top{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.task-top b{color:var(--ink);font-weight:700;font-size:1rem}
.status{display:inline-flex;align-items:center;gap:.35rem;font-size:.75rem;font-weight:700;padding:.28rem .7rem;border-radius:999px;white-space:nowrap}
.status--done{background:rgba(200,241,105,.42);color:#2f4d1c}
.status--doing{background:rgba(224,107,60,.16);color:#b3521f}
.status--todo{background:#EFEDE6;color:var(--muted)}
.bar{height:8px;border-radius:999px;background:#EDEAE1;overflow:hidden}
.bar__fill{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--ink),var(--lime));transition:width 1.1s cubic-bezier(.2,.8,.2,1)}
.task-note{font-size:.8125rem;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:10px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:box-shadow .26s ease,border-color .26s ease;
}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item.is-open{border-color:#cdc6b6;box-shadow:inset 3px 0 0 var(--lime),var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.15rem 1.35rem;background:none;border:0;text-align:left;cursor:pointer;
  font-size:1rem;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.faq-q:hover{color:var(--clay)}
.faq-q i{color:var(--muted);transition:transform .3s ease,color .3s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(45deg);color:var(--ink)}
.faq-item.is-open .faq-q{font-weight:700}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a__inner{padding:0 1.35rem 1.3rem;font-size:.95rem;color:var(--text)}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);border-radius:24px;
  padding:clamp(2rem,5vw,3.5rem);color:rgba(255,255,255,.82);
  display:grid;grid-template-columns:1.4fr 1fr;gap:2rem;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-100px;top:-100px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,105,.22),rgba(200,241,105,0) 70%);
}
.cta-band h2{color:#fff;margin-bottom:.6rem}
.cta-band p{margin:0;font-size:1rem;max-width:40em}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:.85rem;justify-content:flex-end;position:relative;z-index:2}
.cta-note{font-size:.8125rem;color:rgba(255,255,255,.6);margin-top:.8rem;text-align:right}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:clamp(3rem,6vw,4.5rem) 0 1.5rem;margin-top:clamp(3rem,6vw,5rem)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:clamp(1.5rem,4vw,2.5rem)}
.footer-brand{display:flex;align-items:center;gap:.6rem;font-size:1.15rem;font-weight:900;color:#fff;margin-bottom:.9rem}
.footer-brand .brand__mark{width:13px;height:13px;border-radius:4px;background:var(--lime)}
.site-footer p{font-size:.9rem;color:rgba(255,255,255,.66);max-width:32em}
.footer-title{color:#fff;font-size:1rem;margin-bottom:1rem}
.footer-list{display:grid;gap:.6rem}
.footer-list a{font-size:.9rem;color:rgba(255,255,255,.72)}
.footer-list a:hover{color:var(--lime)}
.footer-form{display:grid;gap:.55rem}
.footer-form label{font-size:.8125rem;color:rgba(255,255,255,.62)}
.footer-form input,.footer-form textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:.75rem .9rem;font-size:.9rem;font-family:inherit;color:var(--black);
  transition:box-shadow .22s ease,border-color .22s ease;
}
.footer-form input:focus,.footer-form textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,241,105,.8);
}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:#A7ABB2}
.footer-bottom{
  margin-top:2.5rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.8125rem;color:rgba(255,255,255,.55);
}
.footer-keys{display:flex;gap:1.2rem;flex-wrap:wrap}
.footer-keys span{position:relative;padding-left:.9rem}
.footer-keys span::before{content:"";position:absolute;left:0;top:.55em;width:5px;height:5px;border-radius:50%;background:var(--lime)}

/* ---------- 滚动进入 ---------- */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s ease}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1280px){
  :root{--container:1140px}
}
@media screen and (max-width:1024px){
  .main-nav{
    position:fixed;inset:0;z-index:200;flex-direction:column;align-items:flex-start;justify-content:flex-start;
    gap:.35rem;padding:96px 1.6rem 2.4rem;margin:0;
    background:rgba(14,42,34,.96);
    -webkit-backdrop-filter:blur(16px) saturate(140%);
    backdrop-filter:blur(16px) saturate(140%);
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none;pointer-events:auto}
  .main-nav .nav-link{width:100%;font-size:1.05rem;padding:.9rem .4rem;border-bottom:1px solid rgba(255,255,255,.12);border-radius:0}
  .main-nav .nav-link::after{display:none}
  .nav-toggle{display:inline-grid;place-items:center}
  .header-actions .btn--sm{display:none}
  .alt-row{grid-template-columns:1fr;gap:1.5rem}
  .alt-row--reverse .alt-media{order:0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr}
  .cta-band .cta-actions{justify-content:flex-start}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:768px){
  .page-hero{padding-top:calc(76px + 2.6rem)}
  .hero-actions .btn{width:100%}
  .hero-strip{gap:1.4rem}
  .hero-strip .fact b{font-size:1.4rem}
  .timeline::before{left:22px}
  .tl-item{padding-left:62px}
  .tl-dot{left:8px;width:28px;height:28px;font-size:.72rem}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:520px){
  body{font-size:15px}
  .header-inner{height:66px;gap:.75rem}
  .brand{font-size:1.05rem}
  .page-hero{padding-top:calc(66px + 2.2rem)}
  .stat-grid{grid-template-columns:1fr}
  .alt-media img{aspect-ratio:16/10}
  .faq-q{font-size:.95rem;padding:1rem 1.05rem}
  .faq-a__inner{padding:0 1.05rem 1.1rem}
  .cta-band{border-radius:18px}
  .hero-strip .fact{min-width:calc(50% - 1rem)}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink-green:#0E2A22;
  --ink-green-2:#143A2E;
  --sand:#F3EFE7;
  --sand-2:#EAE4D8;
  --lime:#C8F169;
  --clay:#E06B3C;
  --clay-dark:#C5572C;
  --ink:#15171A;
  --text:#4B5563;
  --muted:#8A8F98;
  --border:#E3DED3;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04), 0 12px 32px rgba(14,42,34,.08);
  --shadow-lg:0 18px 48px rgba(14,42,34,.14);
  --sp-section:clamp(4rem,8vw,7.5rem);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-en:"Space Grotesk","Inter",var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.8;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font-family:inherit;font-size:1rem}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  color:var(--ink-green);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.25;
}
h1{font-size:clamp(2.4rem,6vw,4.4rem)}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem)}
h3{font-size:1.25rem}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.2em}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1320px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:.9375rem;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn--primary{background:var(--clay);color:#fff;box-shadow:0 10px 24px rgba(224,107,60,.28)}
.btn--primary:hover{background:var(--clay-dark);transform:translateY(-2px);box-shadow:0 16px 34px rgba(224,107,60,.34)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn--ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);border-color:var(--lime);color:var(--lime)}
.btn--lime{background:var(--lime);color:var(--ink-green)}
.btn--lime:hover{background:#B9E652;transform:translateY(-2px);box-shadow:0 14px 30px rgba(200,241,105,.3)}
.btn--outline{background:transparent;color:var(--ink-green);border-color:var(--border)}
.btn--outline:hover{border-color:var(--ink-green);background:rgba(200,241,105,.16);transform:translateY(-2px)}
.btn--sm{padding:10px 20px;font-size:.875rem}
.btn--block{width:100%}
.btn:active{transform:translateY(0)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  padding:16px 0;
  background:rgba(246,243,236,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  transition:background-color .24s ease,box-shadow .24s ease,padding .24s ease,border-color .24s ease;
}
.site-header.is-stuck{
  padding:8px 0;
  background:rgba(14,42,34,.97);
  border-bottom-color:rgba(255,255,255,.14);
  box-shadow:0 14px 38px rgba(14,42,34,.28);
}
.header-inner{display:flex;align-items:center;gap:28px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:1.125rem;font-weight:900;letter-spacing:-.02em;color:#fff;white-space:nowrap;
}
.brand__mark{
  width:12px;height:12px;border-radius:4px;background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,241,105,.22);flex:0 0 auto;
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-link{
  position:relative;padding:8px 12px;font-size:.9375rem;font-weight:500;
  color:rgba(255,255,255,.86);border-radius:8px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--lime);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  color:#fff;font-size:1.125rem;border:1px solid rgba(255,255,255,.3);
}
.nav-toggle:hover{background:rgba(255,255,255,.14)}
.body-lock{overflow:hidden}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  min-height:62vh;
  display:flex;align-items:flex-end;
  padding:170px 0 72px;
  overflow:hidden;
  background:var(--ink-green);
}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.cat-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(14,42,34,.94) 0%,rgba(14,42,34,.78) 42%,rgba(14,42,34,.28) 100%);
}
.cat-hero__inner{position:relative;z-index:2;max-width:820px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(200,241,105,.14);
  border:1px solid rgba(200,241,105,.4);
  color:var(--lime);font-size:.8125rem;font-weight:700;letter-spacing:.08em;
  margin-bottom:20px;
}
.cat-hero h1{color:#fff;margin-bottom:18px;text-shadow:0 6px 30px rgba(0,0,0,.3)}
.cat-hero h1 span{color:var(--lime)}
.cat-hero__sub{
  font-size:1.0625rem;line-height:1.75;color:rgba(255,255,255,.88);
  max-width:640px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.9);font-size:.8125rem;
}
.hero-tag i{color:var(--lime);font-size:.75rem}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0}
.section--sand{background:var(--sand)}
.section--white{background:#fff}
.section-head{max-width:760px;margin-bottom:clamp(2rem,4vw,3rem)}
.section-head p{font-size:1.0625rem;color:var(--text);margin-bottom:0}
.kicker{
  display:inline-block;font-family:var(--font-en);
  font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--clay);margin-bottom:12px;
}

/* ---------- 筛选标签 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-bottom:32px;padding-bottom:4px;
}
.filter-tab{
  padding:10px 20px;border-radius:999px;
  background:#fff;border:1px solid var(--border);
  color:var(--text);font-size:.875rem;font-weight:600;
  transition:all .22s ease;
}
.filter-tab:hover{border-color:var(--ink-green);color:var(--ink-green);transform:translateY(-2px)}
.filter-tab.is-active{background:var(--ink-green);border-color:var(--ink-green);color:#fff}

/* ---------- 瀑布卡片 ---------- */
.waterfall{columns:3;column-gap:24px}
@media (max-width:1023px){.waterfall{columns:2}}
@media (max-width:640px){.waterfall{columns:1}}
.wf-item{break-inside:avoid;margin-bottom:24px}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:block;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D8D1C2}
.card__media{
  position:relative;overflow:hidden;background:var(--sand-2);height:210px;
}
.wf-item:nth-child(3n+1) .card__media{height:260px}
.wf-item:nth-child(3n+2) .card__media{height:200px}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__badge{
  position:absolute;top:14px;left:14px;
  padding:6px 13px;border-radius:999px;
  background:var(--lime);color:var(--ink-green);
  font-size:.75rem;font-weight:800;letter-spacing:.02em;
}
.card__body{padding:22px}
.card__title{font-size:1.125rem;margin-bottom:10px;line-height:1.45}
.card__title a{color:inherit}
.card__title a:hover{color:var(--clay)}
.card__text{
  font-size:.9375rem;line-height:1.8;color:var(--text);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:.8125rem;color:var(--muted);
  padding-top:14px;border-top:1px dashed var(--border);
}
.card__meta i{color:var(--clay);margin-right:6px}
.bar{height:8px;border-radius:999px;background:var(--sand-2);overflow:hidden;margin-bottom:10px}
.bar__fill{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--lime),#9FD94A);transition:width 1.1s cubic-bezier(.22,.7,.3,1)}
.bar-num{font-family:var(--font-en);font-weight:700;color:var(--ink-green);font-size:1rem}
.bar-note{font-size:.8125rem;color:var(--muted)}

/* ---------- 对比表格 ---------- */
.table-shell{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:.9375rem}
.compare caption{
  caption-side:top;text-align:left;padding:22px 24px 0;
  font-size:.8125rem;color:var(--muted);
}
.compare th,.compare td{padding:16px 24px;text-align:left;border-bottom:1px solid var(--border)}
.compare thead th{
  background:var(--ink-green);color:#fff;font-weight:700;font-size:.875rem;
  letter-spacing:.02em;border-bottom:0;
}
.compare thead th:first-child{background:var(--ink-green-2)}
.compare tbody th{font-weight:700;color:var(--ink-green);background:#FBF9F5;width:26%}
.compare tbody tr:hover td{background:rgba(200,241,105,.1)}
.compare td{color:var(--text)}
.compare .is-hi{color:var(--clay);font-weight:700}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0}

/* ---------- 数据与仪表 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
@media (max-width:1023px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.stat-grid{grid-template-columns:1fr}}
.stat{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stat__num{
  font-family:var(--font-en);font-size:2rem;font-weight:700;color:var(--ink-green);
  line-height:1.2;letter-spacing:-.02em;
}
.stat__num span{font-size:1rem;color:var(--clay);margin-left:4px}
.stat__label{font-size:.875rem;color:var(--muted);margin-top:6px}
.stat__note{font-size:.8125rem;color:var(--text);margin-top:12px;padding-top:12px;border-top:1px dashed var(--border)}

.gauge-wrap{
  display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:center;
  background:var(--ink-green);border-radius:var(--radius-card);
  padding:clamp(28px,4vw,48px);color:rgba(255,255,255,.86);
}
@media (max-width:900px){.gauge-wrap{grid-template-columns:1fr;gap:28px}}
.gauge{
  position:relative;width:220px;height:220px;border-radius:50%;margin:0 auto;
  background:conic-gradient(var(--lime) calc(var(--val,0) * 1%), rgba(255,255,255,.14) 0);
  display:flex;align-items:center;justify-content:center;
  transition:background .9s ease;
}
.gauge::before{
  content:"";position:absolute;inset:18px;border-radius:50%;background:var(--ink-green);
}
.gauge__inner{position:relative;z-index:2;text-align:center}
.gauge__num{font-family:var(--font-en);font-size:2.4rem;font-weight:700;color:#fff;line-height:1}
.gauge__cap{font-size:.8125rem;color:rgba(255,255,255,.7);margin-top:8px}
.gauge-copy h3{color:#fff;font-size:1.5rem;margin-bottom:14px}
.gauge-copy p{color:rgba(255,255,255,.78);margin-bottom:18px}
.gauge-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.gauge-list li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:rgba(255,255,255,.86)}
.gauge-list i{color:var(--lime);margin-top:6px;font-size:.75rem}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,var(--lime),var(--border));z-index:0;
}
@media (max-width:900px){
  .timeline{grid-template-columns:1fr;gap:18px}
  .timeline::before{left:26px;right:auto;top:10px;bottom:10px;width:2px;height:auto;
    background:linear-gradient(180deg,var(--lime),var(--border))}
}
.tl-item{position:relative;z-index:2;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease;}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.tl-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;margin-bottom:16px;
  background:var(--ink-green);color:var(--lime);
  font-family:var(--font-en);font-weight:700;font-size:1.125rem;
}
.tl-item h3{font-size:1.0625rem;margin-bottom:8px}
.tl-item p{font-size:.9375rem;margin-bottom:0;color:var(--text)}
.tl-state{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:.75rem;font-weight:700;padding:5px 12px;border-radius:999px;
}
.tl-state--done{background:rgba(200,241,105,.28);color:#2F5C1F}
.tl-state--doing{background:rgba(224,107,60,.14);color:var(--clay-dark)}
.tl-state--wait{background:var(--sand-2);color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;
  margin-bottom:10px;overflow:hidden;position:relative;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--lime);transform:scaleY(0);transform-origin:top;
  transition:transform .28s ease;
}
.faq-item.is-open{border-color:#CFC7B6;box-shadow:var(--shadow-sm)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:1.0625rem;font-weight:700;
  color:var(--ink-green);line-height:1.6;
}
.faq-q i{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--sand);color:var(--ink-green);font-size:.75rem;
  transition:transform .28s ease,background-color .28s ease,color .28s ease;
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);background:var(--lime);color:var(--ink-green)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a__inner{padding:0 24px 22px;font-size:.9375rem;color:var(--text)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-green);color:rgba(255,255,255,.84);
  padding:clamp(3rem,7vw,5.5rem) 0;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,241,105,.22),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{color:#fff;margin-bottom:10px}
.cta-inner p{margin-bottom:0;max-width:560px;color:rgba(255,255,255,.78)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-green);color:rgba(255,255,255,.72);padding:clamp(3rem,6vw,5rem) 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:600px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:1.125rem;font-weight:900;color:#fff;margin-bottom:16px;letter-spacing:-.02em;
}
.site-footer p{font-size:.9375rem;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px}
.footer-title{font-size:.9375rem;color:#fff;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.footer-list a{font-size:.9375rem;color:rgba(255,255,255,.72)}
.footer-list a:hover{color:var(--lime)}
.footer-form{display:grid;gap:10px}
.footer-form label{font-size:.8125rem;color:rgba(255,255,255,.6)}
.footer-form input,.footer-form textarea{
  width:100%;padding:12px 14px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:.9375rem;transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:rgba(255,255,255,.42)}
.footer-form input:focus,.footer-form textarea:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(200,241,105,.35);
}
.footer-bottom{
  margin-top:clamp(2.5rem,5vw,3.5rem);padding:24px 0;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:.8125rem;color:rgba(255,255,255,.55);
}
.footer-keys{display:flex;flex-wrap:wrap;gap:10px}
.footer-keys span{
  padding:5px 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.62);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式导航 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .main-nav{
    position:fixed;top:0;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:96px 24px 32px;margin:0;
    background:rgba(14,42,34,.96);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    opacity:0;visibility:hidden;transform:translateY(-14px);
    transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
    overflow-y:auto;
  }
  body.nav-open .main-nav{opacity:1;visibility:visible;transform:none}
  .nav-link{padding:16px 12px;font-size:1.0625rem;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-link::after{display:none}
  .header-actions{margin-left:auto}
  .header-actions .btn--primary{display:none}
  body.nav-open .header-actions .btn--primary{
    display:inline-flex;position:fixed;left:24px;right:24px;bottom:28px;z-index:90;
  }
}
@media (max-width:520px){
  .container{padding:0 18px}
  .cat-hero{min-height:74vh;padding:140px 0 56px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .stat__num{font-size:1.75rem}
}

/* roulang page: category5 */
:root{
  --ink:#0E2A22;
  --ink-2:#123328;
  --ink-3:#1B4335;
  --sand:#F3EFE7;
  --sand-2:#FBF9F4;
  --lime:#C8F169;
  --lime-deep:#A8D645;
  --clay:#E06B3C;
  --clay-dark:#C4572C;
  --black:#15171A;
  --text:#4B5563;
  --muted:#8A8F98;
  --line:#E3DED3;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04), 0 12px 32px rgba(14,42,34,.08);
  --shadow-lg:0 18px 48px rgba(14,42,34,.14);
  --shadow-nav:0 10px 30px rgba(14,42,34,.18);
  --container:1200px;
  --section-gap:clamp(4rem, 8vw, 7.5rem);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:1rem;
  line-height:1.8;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--clay);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.25;letter-spacing:-.03em;font-weight:800;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container--wide{max-width:1320px;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  padding:14px 0;
  background:rgba(246,243,236,.14);
  border-bottom:1px solid rgba(255,255,255,.22);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 6px 24px rgba(14,42,34,.10);
  transition:background .24s var(--ease), box-shadow .24s var(--ease), padding .24s var(--ease), border-color .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(14,42,34,.96);
  border-bottom-color:rgba(255,255,255,.12);
  box-shadow:var(--shadow-nav);
  padding:8px 0;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:"Space Grotesk","Noto Sans SC",sans-serif;
  font-weight:700;
  font-size:1.25rem;
  letter-spacing:-.02em;
  color:#fff;
}
.brand:hover{color:#fff;}
.brand__mark{
  width:14px;height:14px;border-radius:4px;
  background:linear-gradient(135deg,var(--lime),var(--clay));
  display:inline-block;
  box-shadow:0 0 0 4px rgba(200,241,105,.16);
}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:.9375rem;
  font-weight:500;
  color:rgba(255,255,255,.86);
  border-radius:8px;
  transition:color .2s var(--ease), background .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--lime);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:#fff;background:rgba(255,255,255,.08);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--lime);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.10);
  color:#fff;
  font-size:1.05rem;
  cursor:pointer;
  transition:background .2s var(--ease), border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.2);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  font-size:.9375rem;
  font-weight:700;
  line-height:1.2;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--clay);color:#fff;box-shadow:0 10px 24px rgba(224,107,60,.28);}
.btn--primary:hover{background:var(--clay-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(224,107,60,.34);}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn--lime{background:var(--lime);color:var(--ink);}
.btn--lime:hover{background:var(--lime-deep);color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 30px rgba(200,241,105,.28);}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn--outline:hover{background:rgba(14,42,34,.06);color:var(--ink);transform:translateY(-2px);}
.btn--sm{padding:10px 18px;font-size:.875rem;}
.btn--block{width:100%;}
.btn:active{transform:translateY(0);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:170px 0 clamp(3.5rem,7vw,6rem);
  color:#fff;
  background-image:
    linear-gradient(115deg, rgba(14,42,34,.95) 0%, rgba(14,42,34,.82) 46%, rgba(14,42,34,.42) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-160px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,105,.26),transparent 66%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:48px;align-items:end;position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:rgba(255,255,255,.62);margin-bottom:22px;}
.crumbs a{color:rgba(255,255,255,.62);}
.crumbs a:hover{color:var(--lime);}
.crumbs span.sep{opacity:.5;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(200,241,105,.16);
  border:1px solid rgba(200,241,105,.4);
  color:var(--lime);
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.08em;
  margin-bottom:20px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(2.1rem,5vw,3.6rem);
  font-weight:900;
  margin-bottom:18px;
}
.page-hero h1 .hl{color:var(--lime);}
.hero-sub{
  font-size:clamp(1rem,1.4vw,1.125rem);
  color:rgba(255,255,255,.82);
  max-width:640px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-card);
  padding:26px;
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.hero-card__title{
  color:#fff;
  font-size:1rem;
  font-weight:700;
  margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.hero-card__title i{color:var(--lime);}
.hero-metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.metric{background:rgba(14,42,34,.34);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:14px 16px;}
.metric b{
  display:block;
  font-family:"Space Grotesk","Noto Sans SC",sans-serif;
  font-size:1.5rem;
  font-weight:700;
  color:var(--lime);
  line-height:1.2;
}
.metric span{font-size:.8125rem;color:rgba(255,255,255,.72);}

/* ---------- Sections ---------- */
.section{padding:var(--section-gap) 0;}
.section--sand{background:var(--sand);}
.section--light{background:var(--sand-2);}
.section--dark{background:var(--ink);color:rgba(255,255,255,.82);}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:clamp(2rem,4vw,3rem);}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--clay);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section--dark .section-tag{color:var(--lime);}
.section-head h2{font-size:clamp(1.65rem,3.2vw,2.45rem);margin-bottom:14px;}
.section-head p{font-size:1.0625rem;color:var(--text);max-width:680px;}
.section-head--center p{margin-left:auto;margin-right:auto;}
.section--dark .section-head p{color:rgba(255,255,255,.74);}

/* ---------- Topic grid ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.topic-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
  display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(200,241,105,.75);}
.topic-card__icon{
  width:48px;height:48px;
  border-radius:14px;
  display:grid;place-items:center;
  background:rgba(14,42,34,.06);
  color:var(--ink);
  font-size:1.1rem;
  margin-bottom:18px;
  transition:background .24s var(--ease), color .24s var(--ease);
}
.topic-card:hover .topic-card__icon{background:var(--lime);color:var(--ink);}
.topic-card h3{font-size:1.125rem;margin-bottom:10px;}
.topic-card p{font-size:.9375rem;color:var(--text);margin-bottom:18px;}
.topic-card__link{
  margin-top:auto;
  font-size:.875rem;
  font-weight:700;
  color:var(--clay);
  display:inline-flex;align-items:center;gap:6px;
}
.topic-card__link i{transition:transform .24s var(--ease);}
.topic-card:hover .topic-card__link i{transform:translateX(4px);}

/* ---------- FAQ accordion ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:48px;align-items:start;}
.faq-aside{
  position:sticky;
  top:110px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-sm);
}
.faq-aside h3{font-size:1.25rem;margin-bottom:12px;}
.faq-aside p{font-size:.9375rem;color:var(--text);margin-bottom:20px;}
.faq-aside ul{margin-bottom:22px;}
.faq-aside li{display:flex;gap:10px;padding:9px 0;font-size:.9375rem;color:var(--ink);border-bottom:1px dashed var(--line);}
.faq-aside li:last-child{border-bottom:0;}
.faq-aside li i{color:var(--clay);margin-top:6px;font-size:.75rem;}

.accordion{border:0;background:transparent;margin:0;}
.accordion-item{
  position:relative;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  margin-bottom:10px;
  overflow:hidden;
  transition:box-shadow .24s var(--ease), border-color .24s var(--ease);
}
.accordion-item:hover{border-color:rgba(14,42,34,.22);}
.accordion-item.is-active{box-shadow:inset 3px 0 0 var(--lime), var(--shadow-sm);}
.accordion-title{
  display:block;
  position:relative;
  padding:20px 60px 20px 22px;
  border:0;
  font-size:1.0625rem;
  font-weight:700;
  color:var(--ink);
  background:transparent;
  line-height:1.5;
}
.accordion-title:hover{color:var(--clay);background:transparent;}
.accordion-title::before,
.accordion-title::after{content:"";position:absolute;background:var(--clay);border-radius:2px;right:24px;}
.accordion-title::before{width:14px;height:2px;top:30px;}
.accordion-title::after{width:2px;height:14px;top:24px;transition:transform .24s var(--ease), opacity .24s var(--ease);}
.accordion-item.is-active .accordion-title::after{transform:scaleY(0);opacity:0;}
.accordion-item.is-active .accordion-title{color:var(--ink);}
.accordion-content{padding:0 22px 22px;border:0;background:transparent;color:var(--text);}
.accordion-content p{font-size:.9688rem;}
.accordion-content ul{margin-top:10px;}
.accordion-content li{position:relative;padding-left:18px;font-size:.9375rem;margin-bottom:8px;}
.accordion-content li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--lime-deep);}
.accordion-content .tip{
  display:inline-flex;gap:8px;align-items:flex-start;
  margin-top:12px;padding:12px 16px;
  background:var(--sand);border-radius:10px;
  font-size:.875rem;color:var(--ink);
}
.accordion-content .tip i{color:var(--clay);margin-top:5px;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative;}
.steps::before{
  content:"";
  position:absolute;
  left:6%;right:6%;top:38px;
  height:2px;
  background:linear-gradient(90deg,var(--lime),rgba(200,241,105,.25));
}
.step{position:relative;padding-top:0;}
.step__no{
  width:56px;height:56px;
  border-radius:50%;
  display:grid;place-items:center;
  background:#fff;
  border:2px solid var(--ink);
  color:var(--ink);
  font-family:"Space Grotesk",sans-serif;
  font-weight:700;
  font-size:1.125rem;
  position:relative;z-index:2;
  transition:background .24s var(--ease), color .24s var(--ease), border-color .24s var(--ease);
}
.step:hover .step__no{background:var(--lime);border-color:var(--lime);}
.step h3{font-size:1.0625rem;margin:18px 0 10px;}
.step p{font-size:.9375rem;color:var(--text);}
.step__state{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:12px;
  font-size:.75rem;
  font-weight:700;
  padding:4px 12px;
  border-radius:999px;
}
.state-done{background:rgba(200,241,105,.35);color:#3E5B1C;}
.state-doing{background:rgba(224,107,60,.16);color:var(--clay-dark);}
.state-wait{background:rgba(138,143,152,.16);color:#5A6068;}

/* ---------- Channel cards ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.channel-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .24s var(--ease), box-shadow .24s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.channel-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.channel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.channel-card:hover .channel-card__media img{transform:scale(1.04);}
.channel-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,42,34,0) 40%,rgba(14,42,34,.55));}
.channel-card__badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 12px;border-radius:999px;
  background:var(--lime);color:var(--ink);
  font-size:.75rem;font-weight:700;
}
.channel-card__body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.channel-card__body h3{font-size:1.125rem;margin-bottom:10px;}
.channel-card__body p{font-size:.9375rem;color:var(--text);margin-bottom:18px;}
.channel-card__meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;border-top:1px dashed var(--line);
  font-size:.8125rem;color:var(--muted);
}
.channel-card__meta b{color:var(--ink);font-family:"Space Grotesk",sans-serif;font-size:1.05rem;}

/* ---------- Form ---------- */
.form-wrap{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:48px;
  align-items:start;
}
.form-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px;
  box-shadow:var(--shadow-lg);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:.875rem;font-weight:700;color:var(--ink);margin-bottom:8px;}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  padding:13px 16px;
  font-family:inherit;
  font-size:.9375rem;
  color:var(--ink);
  background:var(--sand-2);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.form-field textarea{resize:vertical;min-height:120px;}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--ink);
  background:#fff;
  box-shadow:0 0 0 3px rgba(200,241,105,.55);
}
.form-field input::placeholder,
.form-field textarea::placeholder{color:#A7ACB3;}
.form-hint{font-size:.8125rem;color:var(--muted);margin-top:10px;}
.form-dark .form-panel{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);box-shadow:none;}
.form-dark .form-field label{color:#fff;}
.form-dark .form-field input,
.form-dark .form-field select,
.form-dark .form-field textarea{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.18);
  color:#fff;
}
.form-dark .form-field input::placeholder,
.form-dark .form-field textarea::placeholder{color:rgba(255,255,255,.5);}
.form-dark .form-field input:focus,
.form-dark .form-field select:focus,
.form-dark .form-field textarea:focus{background:rgba(255,255,255,.14);border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,241,105,.28);}
.form-dark .form-hint{color:rgba(255,255,255,.6);}
.form-dark .form-field select option{color:var(--ink);}
.form-side-list{margin-top:28px;}
.form-side-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);}
.form-side-list li:last-child{border-bottom:0;}
.form-side-list i{color:var(--lime);margin-top:6px;}
.form-side-list strong{display:block;color:#fff;font-size:1rem;margin-bottom:4px;}
.form-side-list span{font-size:.9375rem;color:rgba(255,255,255,.7);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:clamp(3rem,6vw,5rem) 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:"Space Grotesk","Noto Sans SC",sans-serif;font-size:1.25rem;font-weight:700;margin-bottom:16px;}
.site-footer p{font-size:.9375rem;color:rgba(255,255,255,.66);}
.footer-title{color:#fff;font-size:1rem;margin-bottom:18px;font-weight:700;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,255,255,.7);font-size:.9375rem;}
.footer-list a:hover{color:var(--lime);}
.footer-form label{display:block;font-size:.8125rem;color:rgba(255,255,255,.62);margin-bottom:6px;}
.footer-form input,
.footer-form textarea{
  width:100%;
  margin-bottom:12px;
  padding:11px 14px;
  font-family:inherit;
  font-size:.9375rem;
  color:#fff;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-btn);
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.footer-form input::placeholder,
.footer-form textarea::placeholder{color:rgba(255,255,255,.42);}
.footer-form input:focus,
.footer-form textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,241,105,.24);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;
  display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  font-size:.8125rem;
  color:rgba(255,255,255,.55);
}
.footer-keys{display:flex;flex-wrap:wrap;gap:16px;}
.footer-keys span{position:relative;padding-left:14px;}
.footer-keys span::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--lime);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease), transform .42s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media screen and (max-width:1280px){
  .container{padding:0 20px;}
  .topic-grid{gap:18px;}
}
@media screen and (max-width:1024px){
  .main-nav{
    position:fixed;
    inset:0;
    flex-direction:column;
    justify-content:center;
    align-items:flex-start;
    gap:6px;
    padding:96px 32px 40px;
    background:rgba(14,42,34,.97);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    transform:translateX(-100%);
    opacity:0;
    visibility:hidden;
    transition:transform .3s var(--ease), opacity .3s var(--ease), visibility .3s var(--ease);
    z-index:110;
  }
  .main-nav.is-open{transform:translateX(0);opacity:1;visibility:visible;}
  .main-nav .nav-link{font-size:1.25rem;font-weight:700;padding:14px 0;color:#fff;width:100%;}
  .main-nav .nav-link::after{left:0;right:auto;width:28px;bottom:8px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;position:relative;z-index:130;}
  .header-actions .btn{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:34px;align-items:start;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .form-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:36px;}
  .steps::before{display:none;}
}
@media screen and (max-width:768px){
  body{font-size:.9688rem;line-height:1.78;}
  .page-hero{padding:140px 0 56px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{grid-template-columns:1fr 1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .step{display:grid;grid-template-columns:56px 1fr;gap:6px 18px;align-items:start;}
  .step__no{grid-row:span 4;}
  .step h3{margin-top:6px;}
  .form-row{grid-template-columns:1fr;}
  .form-panel{padding:24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .page-hero{padding:126px 0 48px;}
  .hero-metrics{grid-template-columns:1fr;}
  .metric b{font-size:1.35rem;}
  .section-head h2{font-size:1.5rem;}
  .accordion-title{font-size:1rem;padding:18px 54px 18px 18px;}
  .accordion-title::before{right:20px;}
  .accordion-title::after{right:26px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --ink:#0E2A22;
  --ink-soft:#12352b;
  --sand:#F3EFE7;
  --sand-deep:#EAE4D8;
  --lime:#C8F169;
  --clay:#E06B3C;
  --clay-deep:#c95b2f;
  --black:#15171A;
  --body:#4B5563;
  --muted:#8A8F98;
  --line:#E3DED3;
  --white:#ffffff;
  --radius:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(0,0,0,.04), 0 12px 32px rgba(14,42,34,.08);
  --shadow-hover:0 18px 48px rgba(14,42,34,.14);
  --container:1200px;
  --section-y:clamp(4rem,8vw,7.5rem);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:1rem;
  line-height:1.8;
  color:var(--body);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden;}
h1,h2,h3,h4{color:var(--ink);font-weight:800;letter-spacing:-.03em;line-height:1.24;margin:0;}
h1{font-size:clamp(2.4rem,6vw,3.6rem);}
h2{font-size:clamp(1.75rem,3.4vw,2.5rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1.2em;max-width:66ch;}
p:last-child{margin-bottom:0;}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--clay);}
img{max-width:100%;display:block;height:auto;}
ul,ol{margin:0 0 1.2em;padding-left:1.15rem;}
button{font:inherit;}
input,textarea,select{font:inherit;}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 1.25rem;}
.section{padding:var(--section-y) 0;}
.section--white{background:var(--white);}
.section--sand{background:var(--sand);}
.section--ink{background:var(--ink);color:rgba(255,255,255,.78);}
.section--ink h2,.section--ink h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:clamp(1.75rem,3vw,2.75rem);}
.section-head p{max-width:62ch;}
.kicker{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--clay);margin-bottom:.9rem;
}
.kicker::before{content:"";width:22px;height:2px;background:var(--clay);display:block;}
.section--ink .kicker{color:var(--lime);}
.section--ink .kicker::before{background:var(--lime);}
.lead{font-size:1.0625rem;color:var(--body);}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(246,243,236,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(14,42,34,.95);
  border-bottom-color:rgba(255,255,255,.14);
  box-shadow:0 12px 32px rgba(14,42,34,.2);
}
.header-inner{display:flex;align-items:center;gap:1.25rem;min-height:76px;}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-size:1.15rem;font-weight:900;letter-spacing:-.02em;color:#fff;white-space:nowrap;}
.brand:hover{color:#fff;}
.brand__mark{width:14px;height:14px;border-radius:4px;background:var(--lime);box-shadow:0 0 0 4px rgba(200,241,105,.2);}
.main-nav{display:flex;align-items:center;gap:.15rem;margin-left:auto;}
.nav-link{position:relative;padding:.55rem .75rem;font-size:.9375rem;font-weight:500;color:rgba(255,255,255,.84);border-radius:8px;}
.nav-link::after{
  content:"";position:absolute;left:.75rem;right:.75rem;bottom:.34rem;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--lime);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:.65rem;margin-left:.75rem;}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);
  color:#fff;cursor:pointer;transition:background .2s var(--ease),transform .2s var(--ease);
}
.nav-toggle:hover{background:rgba(200,241,105,.18);}
.nav-toggle:active{transform:scale(.95);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:.95rem;font-weight:700;line-height:1.2;cursor:pointer;text-align:center;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn--primary{background:var(--clay);color:#fff;box-shadow:0 10px 24px rgba(224,107,60,.28);}
.btn--primary:hover{background:var(--clay-deep);color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(224,107,60,.34);}
.btn--ghost{border-color:rgba(255,255,255,.52);color:#fff;background:rgba(255,255,255,.06);}
.btn--ghost:hover{background:rgba(200,241,105,.16);border-color:var(--lime);color:#fff;transform:translateY(-2px);}
.btn--lime{background:var(--lime);color:var(--ink);}
.btn--lime:hover{background:#b8e653;color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 30px rgba(200,241,105,.3);}
.btn--outline{border-color:var(--line);color:var(--ink);background:var(--white);}
.btn--outline:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn--sm{padding:.6rem 1.05rem;font-size:.875rem;}
.btn--block{width:100%;}
.btn:active{transform:translateY(0) scale(.99);}

/* ---------- hero ---------- */
.hero{
  position:relative;display:flex;align-items:flex-end;
  min-height:min(78vh,640px);
  padding:9rem 0 3.5rem;
  background:#0E2A22 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(14,42,34,.94) 0%,rgba(14,42,34,.8) 45%,rgba(14,42,34,.45) 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(243,239,231,0) 0%,rgba(243,239,231,.92) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero h1{color:#fff;margin-bottom:1rem;max-width:20ch;}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;margin-bottom:1.1rem;
  padding:.4rem .85rem;border-radius:var(--radius-pill);
  background:rgba(200,241,105,.14);border:1px solid rgba(200,241,105,.4);
  color:var(--lime);font-size:.8125rem;font-weight:700;letter-spacing:.08em;
}
.hero__lead{font-size:1.0625rem;color:rgba(255,255,255,.88);max-width:56ch;margin-bottom:1.75rem;}
.hero__actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-bottom:2.25rem;}
.hero__stats{
  display:flex;flex-wrap:wrap;gap:1rem 2.75rem;
  padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.2);
}
.hero__stat b{
  display:block;font-family:"Space Grotesk","Noto Sans SC",sans-serif;
  font-size:1.75rem;font-weight:700;color:#fff;letter-spacing:-.02em;line-height:1.2;
}
.hero__stat span{font-size:.8125rem;color:rgba(255,255,255,.7);}

/* ---------- steps rail ---------- */
.steps{
  position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:1.5rem;
}
.steps::before{
  content:"";position:absolute;left:5%;right:5%;top:26px;height:2px;z-index:0;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
}
.step{
  position:relative;z-index:1;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.35rem 1.25rem 1.5rem;box-shadow:var(--shadow);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d5cdbd;}
.step__index{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--lime);font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.05rem;
  margin-bottom:1rem;
}
.step__media{border-radius:12px;overflow:hidden;aspect-ratio:16/9;margin-bottom:1rem;background:var(--sand-deep);}
.step__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.step:hover .step__media img{transform:scale(1.03);}
.step__title{font-size:1.0625rem;margin-bottom:.5rem;}
.step__desc{font-size:.9rem;color:var(--body);margin:0 0 1rem;}
.state{
  display:inline-flex;align-items:center;gap:.4rem;
  font-size:.75rem;font-weight:700;padding:.28rem .7rem;border-radius:var(--radius-pill);
}
.state::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;}
.state--done{background:rgba(200,241,105,.28);color:#3d6b00;}
.state--doing{background:rgba(224,107,60,.16);color:var(--clay-deep);}
.state--todo{background:rgba(138,143,152,.14);color:var(--muted);}

/* ---------- gauge ---------- */
.gauge-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center;}
.gauge-card{
  background:var(--ink);border-radius:22px;padding:2rem;color:rgba(255,255,255,.76);
  box-shadow:0 24px 60px rgba(14,42,34,.24);position:relative;overflow:hidden;
}
.gauge-card::before{
  content:"";position:absolute;width:260px;height:260px;right:-90px;top:-110px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,105,.24),transparent 68%);
}
.gauge-top{display:flex;align-items:center;gap:1.75rem;position:relative;z-index:1;}
.gauge{position:relative;width:140px;height:140px;flex:0 0 auto;}
.gauge svg{width:140px;height:140px;transform:rotate(-90deg);}
.gauge__track{fill:none;stroke:rgba(255,255,255,.14);stroke-width:10;}
.gauge__bar{
  fill:none;stroke:var(--lime);stroke-width:10;stroke-linecap:round;
  stroke-dasharray:364.42;stroke-dashoffset:364.42;
  transition:stroke-dashoffset 1.2s var(--ease);
}
.gauge__num{
  position:absolute;inset:0;display:flex;align-items:baseline;justify-content:center;gap:2px;
  font-family:"Space Grotesk",sans-serif;font-weight:700;color:#fff;font-size:2rem;
}
.gauge__num span{font-size:1rem;color:var(--lime);}
.gauge-note h3{font-size:1.2rem;margin-bottom:.4rem;}
.gauge-note p{font-size:.9rem;color:rgba(255,255,255,.68);margin:0;}
.gauge-bars{margin-top:1.75rem;position:relative;z-index:1;display:grid;gap:1.1rem;}
.gauge-bar-row{font-size:.85rem;}
.gauge-bar-row__head{display:flex;justify-content:space-between;margin-bottom:.45rem;color:rgba(255,255,255,.82);}
.gauge-bar-row__head b{font-family:"Space Grotesk",sans-serif;color:var(--lime);}
.bar{height:7px;border-radius:var(--radius-pill);background:rgba(255,255,255,.14);overflow:hidden;}
.bar i{display:block;height:100%;width:0;border-radius:inherit;background:var(--lime);transition:width 1.1s var(--ease);}
.bar--clay i{background:var(--clay);}
.bar--soft i{background:rgba(200,241,105,.6);}

.checklist{list-style:none;margin:0;padding:0;display:grid;gap:.85rem;}
.checklist li{
  display:flex;align-items:flex-start;gap:.85rem;padding:1rem 1.15rem;
  background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.checklist li:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.checklist i{color:var(--clay);margin-top:.35rem;font-size:.95rem;}
.checklist b{display:block;color:var(--ink);font-size:.9875rem;}
.checklist span{font-size:.86rem;color:var(--muted);}
.checklist li.is-done i{color:#4f8f10;}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem 1.5rem;box-shadow:var(--shadow);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d5cdbd;}
.card__tag{
  align-self:flex-start;font-size:.75rem;font-weight:700;letter-spacing:.04em;
  padding:.28rem .7rem;border-radius:var(--radius-pill);
  background:rgba(200,241,105,.3);color:#3d6b00;margin-bottom:.9rem;
}
.card__tag--clay{background:rgba(224,107,60,.14);color:var(--clay-deep);}
.card h3{margin-bottom:.55rem;font-size:1.125rem;}
.card p{font-size:.9375rem;margin:0;color:var(--body);}
.card__foot{margin-top:1.15rem;padding-top:1rem;border-top:1px dashed var(--line);font-size:.8125rem;color:var(--muted);}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center;}
.split__media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;background:var(--sand-deep);}
.split__media img{width:100%;height:100%;object-fit:cover;}
.tick-list{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;gap:.9rem;}
.tick-list li{display:flex;gap:.75rem;align-items:flex-start;font-size:.975rem;}
.tick-list i{color:#4f8f10;margin-top:.4rem;}
.tick-list b{color:var(--ink);}

/* ---------- roles ---------- */
.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;}
.role{
  background:linear-gradient(180deg,#fff 0%,var(--sand) 100%);
  border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.5rem;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.role:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.role__no{font-family:"Space Grotesk",sans-serif;font-size:1.5rem;font-weight:700;color:var(--clay);margin-bottom:.6rem;}
.role h3{font-size:1.0625rem;margin-bottom:.5rem;}
.role p{font-size:.9rem;margin:0;}
.notice{
  margin-top:1.75rem;display:flex;gap:.9rem;align-items:flex-start;
  background:rgba(224,107,60,.07);border:1px solid rgba(224,107,60,.28);
  border-radius:14px;padding:1.1rem 1.25rem;font-size:.925rem;color:#7a3a1c;
}
.notice i{margin-top:.35rem;color:var(--clay);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
ul.accordion.faq{list-style:none;margin:0;padding:0;background:transparent;border:0;}
ul.accordion.faq li{margin:0;}
.faq .accordion-item{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:12px;margin-bottom:10px;overflow:hidden;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.faq .accordion-item:hover{border-color:#d5cdbd;box-shadow:var(--shadow);}
.faq .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);
  transform:scaleY(0);transform-origin:top;transition:transform .26s var(--ease);
}
.faq .accordion-item.is-open::before{transform:scaleY(1);}
.faq .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  width:100%;padding:1.1rem 1.35rem;background:transparent;border:0;
  text-align:left;font-size:1.02rem;font-weight:700;color:var(--ink);cursor:pointer;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.faq .accordion-title:hover{background:rgba(243,239,231,.55);}
.faq .accordion-item.is-open .accordion-title{color:var(--ink);}
.faq .accordion-title i{color:var(--clay);transition:transform .28s var(--ease);flex:0 0 auto;}
.faq .accordion-item.is-open .accordion-title i{transform:rotate(45deg);}
.faq .accordion-title::before,.faq .accordion-title::after{display:none !important;}
.faq .accordion-content{
  display:block !important;max-height:0;overflow:hidden;
  transition:max-height .34s var(--ease);background:transparent;
}
.faq .accordion-item.is-open .accordion-content{max-height:560px;}
.faq .accordion-content p{padding:0 1.35rem 1.25rem;margin:0;font-size:.9375rem;color:var(--body);}

/* ---------- CTA + form ---------- */
.cta-band{
  position:relative;background:var(--ink);color:rgba(255,255,255,.8);
  border-radius:24px;padding:clamp(2rem,5vw,3.25rem);overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 88% 16%,rgba(200,241,105,.2),transparent 58%);
}
.cta-band__inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,3.5rem);align-items:center;}
.cta-band h2{color:#fff;margin-bottom:.85rem;}
.cta-band p{color:rgba(255,255,255,.76);margin-bottom:1.5rem;}
.cta-band .kicker{color:var(--lime);}
.cta-band .kicker::before{background:var(--lime);}
.form-card{
  background:var(--white);border-radius:var(--radius);padding:1.75rem;
  box-shadow:0 24px 60px rgba(0,0,0,.22);border:1px solid var(--line);
}
.form-card h3{font-size:1.125rem;margin-bottom:.35rem;}
.form-card .form-hint{font-size:.85rem;color:var(--muted);margin-bottom:1.25rem;}
.field{margin-bottom:1rem;}
.field label{display:block;font-size:.85rem;font-weight:700;color:var(--ink);margin-bottom:.45rem;}
.field input,.field select,.field textarea{
  width:100%;padding:.8rem 1rem;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#FFFDF9;color:var(--ink);font-size:.9375rem;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:#A9AEB6;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 3px rgba(200,241,105,.55);
}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:none;}
.field--two{display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
.form-note{font-size:.78rem;color:var(--muted);margin-top:.85rem;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:clamp(3rem,6vw,4.5rem) 0 1.5rem;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:2.25rem;}
.footer-brand{display:flex;align-items:center;gap:.6rem;font-size:1.15rem;font-weight:900;color:#fff;margin-bottom:1rem;}
.site-footer p{font-size:.9rem;color:rgba(255,255,255,.66);max-width:34ch;}
.footer-title{font-size:.9375rem;color:#fff;margin-bottom:1rem;font-weight:700;}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:.6rem;}
.footer-list a{font-size:.9rem;color:rgba(255,255,255,.72);}
.footer-list a:hover{color:var(--lime);}
.footer-form label{display:block;font-size:.8rem;color:rgba(255,255,255,.6);margin-bottom:.35rem;}
.footer-form input,.footer-form textarea{
  width:100%;padding:.7rem .85rem;margin-bottom:.85rem;border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  color:#fff;font-size:.9rem;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:rgba(255,255,255,.42);}
.footer-form input:focus,.footer-form textarea:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,241,105,.35);
}
.footer-bottom{
  margin-top:2.5rem;padding-top:1.35rem;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;align-items:center;justify-content:space-between;
  font-size:.8125rem;color:rgba(255,255,255,.55);
}
.footer-keys{display:flex;flex-wrap:wrap;gap:.5rem;}
.footer-keys span{padding:.2rem .65rem;border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,.16);}

/* ---------- reveal ---------- */
.reveal-ready [data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal-ready [data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1140px;}
  .steps{grid-template-columns:repeat(5,1fr);gap:1.1rem;}
  .step{padding:1.15rem 1rem 1.25rem;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;left:0;right:0;top:76px;bottom:0;margin:0;
    flex-direction:column;align-items:stretch;gap:.3rem;
    padding:1.5rem 1.25rem 2.5rem;
    background:rgba(14,42,34,.98);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    overflow-y:auto;opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .24s var(--ease),transform .24s var(--ease);
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto;}
  .nav-link{padding:.95rem .85rem;font-size:1.05rem;border-radius:10px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:rgba(200,241,105,.14);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .gauge-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;}
  .split__media{order:-1;}
  .role-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band__inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem;}
}
@media (max-width:767px){
  .hero{min-height:auto;padding:7.5rem 0 3rem;}
  .hero::after{height:70px;}
  .hero__actions .btn{width:100%;}
  .hero__stats{gap:1rem 1.75rem;}
  .hero__stat b{font-size:1.45rem;}
  .card-grid{grid-template-columns:1fr;}
  .role-grid{grid-template-columns:1fr;}
  .field--two{grid-template-columns:1fr;}
  .split__media{aspect-ratio:16/10;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
  .gauge-top{flex-direction:column;align-items:flex-start;gap:1.25rem;}
}
@media (max-width:520px){
  .container{padding:0 1rem;}
  .header-inner{gap:.75rem;min-height:68px;}
  .brand{font-size:1.02rem;}
  .header-actions .btn{display:none;}
  .main-nav{top:68px;}
  .steps{grid-template-columns:1fr;}
  .steps::before{
    content:"";display:block;left:26px;right:auto;top:24px;bottom:24px;width:2px;height:auto;
    background:repeating-linear-gradient(180deg,var(--line) 0 8px,transparent 8px 16px);
  }
  .step{padding:1.15rem 1rem 1.3rem;}
  .cta-band{border-radius:18px;}
  .p, p{font-size:.9875rem;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .reveal-ready [data-reveal]{opacity:1;transform:none;}
}