/* roulang page: index */
:root{
  --green:#0E3B2E;
  --green-deep:#082821;
  --orange:#E8552B;
  --orange-dark:#C8421C;
  --lime:#C6E95B;
  --paper:#F5F2EA;
  --card:#FFFFFF;
  --surface:#FBFAF6;
  --line:#E3DFD3;
  --ink:#101A16;
  --muted:#5B655F;
  --tint:#FBE7DF;
  --radius:12px;
  --radius-btn:6px;
  --shadow-1:0 1px 2px rgba(16,26,22,.06),0 10px 28px -20px rgba(16,26,22,.22);
  --shadow-2:0 2px 6px rgba(16,26,22,.08),0 18px 38px -16px rgba(16,26,22,.28);
  --container:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk","Inter",-apple-system,"Segoe UI",sans-serif;
}
*,*::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:16px;
  line-height:1.8;
  color:var(--ink);
  background-color:var(--paper);
  background-image:linear-gradient(rgba(16,26,22,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(16,26,22,.028) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:clamp(56px,8vw,104px) 0}
.section--tight{padding:clamp(40px,5vw,64px) 0}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(26px,3.4vw,40px);flex-wrap:wrap}
.section-head__text{max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--green);font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);display:block}
.section-title{font-size:clamp(22px,2.6vw,29px);font-weight:700;letter-spacing:-.01em;line-height:1.3;margin-top:10px}
.section-desc{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px}
.link-more{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--green);
  padding-bottom:3px;position:relative;
}
.link-more::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1.5px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease)}
.link-more:hover::after,.link-more:focus-visible::after{transform:scaleX(1)}
.link-more svg{transition:transform .3s var(--ease)}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,242,234,0);
  border-bottom:1px solid rgba(227,223,211,0);
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(245,242,234,.93);
  border-bottom-color:var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}
.logo{display:inline-flex;align-items:center;gap:10px;line-height:1.1}
.logo__mark{display:inline-flex;gap:3px;align-items:flex-end}
.logo__mark i{display:block;width:5px;border-radius:2px;background:var(--orange)}
.logo__mark i:nth-child(1){height:12px}
.logo__mark i:nth-child(2){height:18px;background:var(--green)}
.logo__text{display:flex;flex-direction:column;gap:2px}
.logo__main{font-size:16px;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.logo__sub{font-family:var(--font-num);font-size:10px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}
.nav{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;color:var(--ink);padding:6px 0;transition:color .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--orange);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav-link:hover{color:var(--green)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--green);font-weight:600}
.nav-cta{margin-left:8px}
.hamburger{
  display:none;position:relative;width:44px;height:44px;border:1px solid var(--line);
  background:var(--card);border-radius:var(--radius-btn);
}
.hamburger span{
  position:absolute;left:12px;width:20px;height:2px;background:var(--ink);
  transition:transform .3s var(--ease),opacity .2s var(--ease);
}
.hamburger span:nth-child(1){top:17px}
.hamburger span:nth-child(2){top:25px}
.hamburger.is-open span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}

/* drawer */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);z-index:120;
  background:var(--green);color:#F3F1E8;
  transform:translateX(100%);transition:transform .38s var(--ease);
  display:flex;flex-direction:column;padding:26px 24px 30px;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer__title{font-family:var(--font-num);font-size:12px;letter-spacing:.18em;color:var(--lime)}
.drawer__close{width:40px;height:40px;border:1px solid rgba(255,255,255,.28);border-radius:var(--radius-btn);background:transparent;color:#F3F1E8;font-size:18px;line-height:1}
.drawer__nav{display:flex;flex-direction:column}
.drawer__link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:19px;line-height:56px;border-bottom:1px solid rgba(255,255,255,.12);
  opacity:0;transform:translateY(10px);
}
.drawer.is-open .drawer__link{animation:drawerIn .42s var(--ease) forwards}
.drawer.is-open .drawer__link:nth-child(1){animation-delay:.05s}
.drawer.is-open .drawer__link:nth-child(2){animation-delay:.09s}
.drawer.is-open .drawer__link:nth-child(3){animation-delay:.13s}
.drawer.is-open .drawer__link:nth-child(4){animation-delay:.17s}
@keyframes drawerIn{to{opacity:1;transform:translateY(0)}}
.drawer__link span{font-family:var(--font-num);font-size:12px;color:rgba(255,255,255,.5)}
.drawer__foot{margin-top:auto;padding-top:24px}
.drawer__foot .btn{width:100%}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,40,33,.5);z-index:110;opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease),box-shadow .26s var(--ease);
}
.btn svg{transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px -16px rgba(232,85,43,.9)}
.btn--primary:hover{background:var(--orange-dark);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0);background:#B23A16}
.btn--outline{background:transparent;border-color:var(--green);color:var(--green)}
.btn--outline:hover{background:var(--green);color:#F3F1E8}
.btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.44);color:#F3F1E8}
.btn--ghost-light:hover{background:rgba(255,255,255,.12);border-color:#F3F1E8}
.btn--dark{background:var(--green);color:#F3F1E8}
.btn--dark:hover{background:var(--green-deep)}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;background:var(--tint);color:#A33A18;font-weight:600;white-space:nowrap;
}
.badge--green{background:#E6EFE5;color:#1E5A45}
.badge--lime{background:#EFF7D4;color:#4E6114}
.tag{
  display:inline-flex;align-items:center;height:23px;padding:0 10px;border-radius:999px;
  font-size:12px;color:var(--muted);border:1px solid var(--line);background:var(--surface);
}

/* ---------- hero ---------- */
.hero{padding:clamp(36px,5vw,64px) 0 clamp(48px,6vw,80px);position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(198,233,91,.28),rgba(198,233,91,0) 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:clamp(28px,4vw,56px);align-items:center;position:relative;z-index:1}
.hero-title{
  font-size:clamp(32px,4.9vw,60px);line-height:1.1;letter-spacing:-.02em;font-weight:700;
  margin:18px 0 0;color:var(--ink);
}
.hero-title em{font-style:normal;color:var(--green);position:relative;white-space:nowrap}
.hero-title em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:rgba(198,233,91,.55);z-index:-1;
}
.hero-sub{margin-top:20px;font-size:clamp(15px,1.4vw,17px);line-height:1.85;color:var(--muted);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:38px;border-top:1px solid var(--line);padding-top:22px}
.hero-stat{padding-right:26px;margin-right:26px;border-right:1px solid var(--line)}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stat b{display:block;font-family:var(--font-num);font-size:clamp(22px,2.6vw,30px);font-weight:600;letter-spacing:-.02em;color:var(--green)}
.hero-stat span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual::before{
  content:"";position:absolute;inset:16px -14px -14px 16px;border:1px solid rgba(14,59,46,.28);border-radius:var(--radius);
  pointer-events:none;
}
.hero-visual img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-1);
}
.hero-badge{
  position:absolute;left:-8px;bottom:26px;display:inline-flex;align-items:center;gap:9px;
  background:var(--card);border:1px solid var(--line);border-radius:999px;padding:9px 16px;
  font-size:13px;font-weight:600;box-shadow:var(--shadow-1);
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--lime);display:block;box-shadow:0 0 0 3px rgba(198,233,91,.3)}

/* ---------- collection index ---------- */
.index-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;border-top:1px solid var(--line)}
.index-item{
  display:grid;grid-template-columns:56px 1fr 24px;gap:16px;align-items:start;
  padding:24px 12px 24px 0;border-bottom:1px solid var(--line);position:relative;
  transition:background .26s var(--ease);
}
.index-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;background:var(--orange);
  transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease);
}
.index-item:hover{background:var(--surface)}
.index-item:hover::before{transform:scaleY(1)}
.index-item__num{
  font-family:var(--font-num);font-size:26px;font-weight:600;line-height:1;color:var(--orange);
  padding-top:2px;transition:transform .3s var(--ease);
}
.index-item:hover .index-item__num{transform:translateX(4px);color:var(--green)}
.index-item h3{font-size:18px;font-weight:600;letter-spacing:-.01em}
.index-item p{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.75}
.index-item__tags{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.index-item__arrow{color:var(--green);opacity:.4;padding-top:4px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.index-item:hover .index-item__arrow{opacity:1;transform:translateX(4px)}

/* ---------- featured ---------- */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch}
.feature-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
  display:flex;flex-direction:column;
}
.feature-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.feature-main__img{overflow:hidden}
.feature-main__img img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.feature-main:hover .feature-main__img img{transform:scale(1.04)}
.feature-main__body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.feature-main h3{font-size:clamp(19px,2vw,23px);line-height:1.42;letter-spacing:-.01em;font-weight:700}
.feature-main p{font-size:14.5px;color:var(--muted);line-height:1.8}
.feature-side{display:flex;flex-direction:column;gap:24px}
.feature-mini{
  display:grid;grid-template-columns:132px 1fr;gap:18px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;padding:14px;
  box-shadow:var(--shadow-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);flex:1;
}
.feature-mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.feature-mini__img{overflow:hidden;border-radius:8px}
.feature-mini__img img{width:100%;height:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .5s var(--ease)}
.feature-mini:hover .feature-mini__img img{transform:scale(1.04)}
.feature-mini__body{display:flex;flex-direction:column;gap:8px;justify-content:center}
.feature-mini h3{font-size:16px;line-height:1.5;font-weight:600}
.feature-mini p{font-size:13.5px;color:var(--muted);line-height:1.72;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);margin-top:auto;font-family:var(--font-num)}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line);display:block}

/* ---------- cms list ---------- */
.cms-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.cms-item{border-bottom:1px solid var(--line)}
.cms-item__link{
  display:grid;grid-template-columns:112px 1fr 32px;gap:22px;align-items:center;
  padding:22px 12px 22px 4px;transition:background .26s var(--ease);
}
.cms-item__link:hover{background:var(--surface)}
.cms-item__date{
  font-family:var(--font-num);font-size:13px;color:var(--muted);line-height:1.4;
  border-left:3px solid var(--lime);padding-left:12px;
}
.cms-item__body{display:flex;flex-direction:column;gap:8px;min-width:0}
.cms-item__title{font-size:17px;font-weight:600;line-height:1.55;letter-spacing:-.01em}
.cms-item__desc{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-item__arrow{color:var(--green);opacity:.35;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.cms-item__link:hover .cms-item__arrow{opacity:1;transform:translateX(5px)}
.cms-empty{
  border:1.5px dashed var(--line);border-radius:var(--radius);min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--muted);font-size:14px;background:var(--surface);
}
.cms-empty svg{color:var(--line)}
.cms-foot{display:flex;justify-content:center;margin-top:32px}

/* ---------- dark band ---------- */
.band{
  background:var(--green);color:#F1EFE5;position:relative;overflow:hidden;
  border-radius:0;
}
.band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:52px 52px;pointer-events:none;
}
.band .container{position:relative;z-index:1}
.band-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(28px,4vw,60px);align-items:center}
.band h2{font-size:clamp(23px,2.9vw,34px);line-height:1.32;letter-spacing:-.01em;font-weight:700}
.band p{color:rgba(241,239,229,.72);font-size:15px;line-height:1.85;margin-top:14px;max-width:520px}
.band .eyebrow{color:var(--lime)}
.band .eyebrow::before{background:var(--lime)}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.metric{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);
  padding:20px 20px 18px;transition:background .3s var(--ease),border-color .3s var(--ease);
}
.metric:hover{background:rgba(255,255,255,.1);border-color:rgba(198,233,91,.4)}
.metric b{display:block;font-family:var(--font-num);font-size:clamp(24px,3vw,32px);font-weight:600;letter-spacing:-.02em;color:var(--lime)}
.metric span{display:block;font-size:13px;color:rgba(241,239,229,.68);margin-top:4px}

/* ---------- scroll rail ---------- */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.rail-nav{display:flex;gap:10px}
.rail-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--card);
  color:var(--green);display:inline-flex;align-items:center;justify-content:center;
  transition:background .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease);
}
.rail-btn:hover{background:var(--green);color:#F3F1E8;border-color:var(--green);transform:translateY(-2px)}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:12px;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.rail-card{
  flex:0 0 280px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.rail-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.rail-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.rail-card:hover img{transform:scale(1.04)}
.rail-card__body{padding:16px 18px 18px}
.rail-card h3{font-size:15.5px;font-weight:600;line-height:1.55}
.rail-card span{display:block;font-size:12.5px;color:var(--muted);margin-top:8px;font-family:var(--font-num)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.4fr;gap:clamp(24px,4vw,56px);align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.faq-item[open]{border-color:rgba(232,85,43,.45);box-shadow:var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:12px;height:12px;border-right:2px solid var(--orange);
  border-bottom:2px solid var(--orange);transform:rotate(45deg);transition:transform .3s var(--ease);
  margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-item__a{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--muted)}
.faq-aside{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
}
.faq-aside h3{font-size:17px;font-weight:700}
.faq-aside p{font-size:14px;color:var(--muted);line-height:1.85;margin-top:10px}
.faq-aside .btn{margin-top:20px;width:100%}

/* ---------- CTA ---------- */
.cta-band{padding:clamp(48px,6vw,80px) 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--green);border-radius:var(--radius);padding:clamp(28px,4vw,48px);
  position:relative;overflow:hidden;color:#F1EFE5;
}
.cta-inner::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,233,91,.22),rgba(198,233,91,0) 70%);
}
.cta-text{position:relative;z-index:1;max-width:620px}
.cta-text h2{font-size:clamp(21px,2.6vw,30px);line-height:1.35;letter-spacing:-.01em}
.cta-text p{color:rgba(241,239,229,.72);font-size:14.5px;margin-top:10px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:var(--green);color:rgba(241,239,229,.78);padding:clamp(44px,6vw,72px) 0 0;margin-top:0}
.footer-top{border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:clamp(28px,4vw,44px)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo__main{color:#F6F4EA;font-size:17px}
.footer-brand .logo__sub{color:rgba(241,239,229,.5)}
.footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(241,239,229,.66);margin-top:16px;max-width:300px}
.footer-col h4{
  font-family:var(--font-num);font-size:12px;letter-spacing:.14em;color:var(--lime);
  text-transform:uppercase;margin-bottom:16px;font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(241,239,229,.75);position:relative;display:inline-block}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.footer-col a:hover{color:var(--lime)}
.footer-col a:hover::after{transform:scaleX(1)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:12.5px;color:rgba(241,239,229,.52);
}
.footer-bottom a{color:rgba(241,239,229,.7)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- toast ---------- */
.toast{
  position:fixed;right:24px;bottom:24px;z-index:200;background:var(--green);color:#F6F4EA;
  border-radius:var(--radius-btn);padding:13px 20px;font-size:14px;box-shadow:var(--shadow-2);
  opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.toast.is-show{opacity:1;transform:translateY(0)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .48s var(--ease),transform .48s var(--ease)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .index-grid{gap:0 28px}
  .rail-card{flex-basis:250px}
}
@media (max-width:991px){
  .nav{display:none}
  .hamburger{display:block}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:420px;margin:0 auto;width:100%}
  .hero-visual img{aspect-ratio:4/3}
  .feature-grid{grid-template-columns:1fr}
  .feature-side{flex-direction:row;flex-wrap:wrap}
  .feature-mini{flex:1 1 300px}
  .band-grid{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cms-item__link{grid-template-columns:92px 1fr 24px;gap:16px}
   .index-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-inner{height:62px}
  .logo__main{font-size:15px}
  .hero-stats{gap:0;flex-wrap:wrap}
  .hero-stat{padding-right:18px;margin-right:18px;margin-bottom:12px}
  .cms-item__link{grid-template-columns:1fr 24px;gap:12px;padding:18px 6px 18px 0}
  .cms-item__date{grid-column:1/-1;border-left:0;padding-left:0;border-bottom:1px solid var(--line);padding-bottom:8px}
  .feature-mini{grid-template-columns:104px 1fr;gap:14px}
  .cta-inner{padding:26px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 160px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .rail-nav{display:none}
  .rail-card{flex-basis:230px}
}
@media (max-width:479px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-title{font-size:clamp(28px,8vw,38px)}
  .hero-stat{border-right:0;padding-right:0;margin-right:0;width:100%;display:flex;align-items:baseline;gap:10px}
  .hero-stat b{font-size:22px}
  .metric-grid{grid-template-columns:1fr}
  .index-item{grid-template-columns:44px 1fr;gap:12px}
  .index-item__arrow{display:none}
  .footer-grid{grid-template-columns:1fr}
  .toast{left:16px;right:16px;bottom:16px;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#0E3B2E;
  --ink-deep:#082821;
  --accent:#E8552B;
  --accent-dark:#CF4420;
  --accent-soft:#FBE7DF;
  --lime:#C6E95B;
  --paper:#F5F2EA;
  --card:#FFFFFF;
  --surface:#FBFAF6;
  --line:#E3DFD3;
  --text:#101A16;
  --muted:#5B655F;
  --radius-card:12px;
  --radius-btn:6px;
  --shadow-1:0 1px 2px rgba(16,26,22,.06),0 10px 28px -20px rgba(16,26,22,.22);
  --shadow-2:0 3px 6px rgba(16,26,22,.08),0 20px 40px -18px rgba(16,26,22,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--paper);
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease),box-shadow .26s var(--ease);
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -12px rgba(232,85,43,.8)}
.btn--primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(232,85,43,.85)}
.btn--primary:active{transform:translateY(0)}
.btn--outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--outline:hover{background:var(--ink);color:#F5F2EA}
.btn--ghost{border-color:rgba(243,241,232,.45);color:#F3F1E8;background:transparent}
.btn--ghost:hover{background:rgba(243,241,232,.14);border-color:rgba(243,241,232,.8)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,242,234,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 26px -24px rgba(16,26,22,.55);background:rgba(245,242,234,.97)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo__mark{display:inline-flex;align-items:flex-end;gap:4px}
.logo__mark i{display:block;width:6px;height:20px;border-radius:2px;background:var(--accent)}
.logo__mark i:last-child{height:13px;background:var(--ink)}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:18px;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.logo__sub{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.nav{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;color:var(--muted);padding:6px 0;transition:color .25s var(--ease);white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .32s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--card);border-radius:8px;align-items:center;justify-content:center;flex-direction:column;gap:5px;position:relative;z-index:80;transition:border-color .25s}
.nav-toggle:hover{border-color:var(--ink)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .3s var(--ease),background .3s}
.nav-toggle.is-active span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}

/* ---------- Article head ---------- */
.article-hero{
  padding:32px 0 0;
  background:linear-gradient(180deg,rgba(251,231,223,.5) 0%,rgba(245,242,234,0) 78%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px}
.breadcrumb a{color:var(--muted);transition:color .25s var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#B9B4A5}
.breadcrumb .current{color:var(--text);max-width:min(100%,560px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:960px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 13px;border-radius:999px;
  background:var(--accent-soft);color:#B8401C;font-size:12px;font-weight:600;letter-spacing:.1em;
}
.article-head h1{
  font-size:clamp(26px,3.4vw,40px);line-height:1.32;font-weight:700;letter-spacing:-.01em;
  margin:16px 0 18px;color:var(--ink);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.meta-row i{display:inline-block;width:1px;height:12px;background:var(--line)}
.article-cover{margin:32px auto 0;max-width:960px}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-card);border:1px solid var(--line);background:var(--surface)}
.article-cover figcaption{font-size:13px;color:var(--muted);margin-top:10px}

/* ---------- Prose ---------- */
.article-main{padding:44px 0 8px}
.prose{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text);word-break:break-word;overflow-wrap:anywhere}
.prose>*:first-child{margin-top:0}
.prose h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);line-height:1.45;font-weight:600;
  margin:44px 0 16px;padding-left:16px;color:var(--ink);
}
.prose h2::before{content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:2px;background:var(--accent)}
.prose h3{font-size:20px;line-height:1.5;font-weight:600;margin:32px 0 12px;color:var(--ink)}
.prose h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.prose p{margin:0 0 1.15em}
.prose ul,.prose ol{margin:0 0 1.15em;padding-left:1.4em}
.prose li{margin-bottom:.5em}
.prose ul li::marker{color:var(--accent)}
.prose ol li::marker{color:var(--accent);font-weight:600}
.prose blockquote{
  margin:28px 0;padding:16px 20px;border-left:3px solid var(--accent);
  background:var(--accent-soft);border-radius:0 12px 12px 0;color:#6A3A28;font-size:16px;line-height:1.85;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--radius-card);border:1px solid var(--line);margin:28px auto;max-width:100%;height:auto;background:var(--surface)}
.prose figure{margin:28px 0}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prose thead th{background:var(--surface);font-weight:600;color:var(--ink)}
.prose tbody tr:nth-child(even){background:var(--surface)}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;transition:color .25s var(--ease)}
.prose a:hover{color:var(--accent-dark)}
.prose code{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.prose pre{background:var(--ink-deep);color:#EAE7DC;padding:18px 20px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7}
.prose pre code{background:none;border:0;padding:0;color:inherit}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.empty-state{
  border:1.5px dashed var(--line);border-radius:var(--radius-card);background:var(--surface);
  padding:56px 20px;text-align:center;
}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:20px}

/* ---------- Tags & share ---------- */
.article-tail{max-width:760px;margin:0 auto}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);font-size:13px;color:var(--muted);
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.tag:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.share-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  margin:36px 0 clamp(48px,7vw,80px);padding:clamp(24px,3.4vw,36px);
  border-radius:16px;color:#F3F1E8;background-color:var(--ink);
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:26px 26px;
}
.share-bar__text h3{font-size:clamp(18px,2.2vw,22px);font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
.share-bar__text p{font-size:14px;line-height:1.8;color:rgba(243,241,232,.72);max-width:520px}
.share-bar__actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Related ---------- */
.related{padding:clamp(40px,6vw,72px) 0 0;border-top:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.section-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--ink);letter-spacing:-.01em}
.link-more{position:relative;font-size:14px;font-weight:600;color:var(--ink);padding-bottom:3px;display:inline-flex;align-items:center;gap:6px}
.link-more::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease)}
.link-more:hover::after{transform:scaleX(1)}
.link-more:hover{color:var(--accent)}
.rel-list{list-style:none;border-top:1px solid var(--line)}
.rel-list li{border-bottom:1px solid var(--line)}
.rel-list a{display:flex;align-items:center;gap:20px;padding:22px 12px;transition:background .28s var(--ease)}
.rel-list a:hover{background:var(--surface)}
.rel-num{font-size:26px;font-weight:700;color:rgba(14,59,46,.18);min-width:52px;transition:color .28s var(--ease)}
.rel-list a:hover .rel-num{color:var(--accent)}
.rel-body{display:flex;flex-direction:column;gap:6px;flex:1;min-width:0}
.rel-body strong{font-size:17px;font-weight:600;color:var(--ink);line-height:1.55}
.rel-body em{font-style:normal;font-size:14px;color:var(--muted);line-height:1.7}
.rel-arrow{color:var(--accent);font-size:18px;transition:transform .28s var(--ease)}
.rel-list a:hover .rel-arrow{transform:translateX(4px)}
.back-row{display:flex;flex-wrap:wrap;align-items:center;gap:20px;padding:clamp(32px,4vw,48px) 0 clamp(52px,7vw,96px)}

/* ---------- Toast ---------- */
.toast{
  position:fixed;right:24px;bottom:24px;z-index:120;
  background:var(--ink);color:#F3F1E8;font-size:14px;
  padding:12px 20px;border-radius:10px;box-shadow:var(--shadow-2);
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.toast.is-show{opacity:1;transform:translateY(0)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#EBE7DA}
.footer-top{padding:clamp(44px,6vw,72px) 0 40px;border-top:1px solid rgba(255,255,255,.12)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(235,231,218,.7);margin-top:16px;max-width:320px}
.site-footer .logo__main{color:#FFFFFF}
.site-footer .logo__sub{color:rgba(235,231,218,.55)}
.site-footer .logo__mark i:last-child{background:var(--lime)}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--lime);margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{position:relative;font-size:14px;color:rgba(235,231,218,.78);transition:color .25s var(--ease)}
.footer-col a::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-col a:hover::after{transform:scaleX(1)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:18px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(235,231,218,.6);
}
.footer-bottom a{color:rgba(235,231,218,.85);text-decoration:underline;text-underline-offset:3px}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .nav{gap:22px}
}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .nav{
    position:fixed;top:0;right:0;bottom:0;left:auto;
    width:min(86vw,340px);z-index:50;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    padding:96px 26px 32px;background:var(--ink);
    transform:translateX(102%);transition:transform .38s var(--ease);
    overflow-y:auto;box-shadow:-20px 0 50px -30px rgba(0,0,0,.6);
  }
  .nav.is-open{transform:translateX(0)}
  .nav-link{color:#F3F1E8;font-size:19px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);width:100%}
  .nav-link:hover{color:var(--lime)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:#FFFFFF}
  .nav-cta{width:100%;margin-top:26px;height:46px;background:var(--accent);border-color:transparent;color:#fff}
  .nav-cta:hover{background:var(--accent-dark);color:#fff}
  .header-inner{min-height:68px}
  .article-hero{padding-top:24px}
  .breadcrumb{margin-bottom:20px}
  .article-main{padding-top:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-top{padding:40px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .logo__main{font-size:16px}
  .share-bar{margin:32px 0 48px;border-radius:14px}
  .share-bar__actions{width:100%}
  .share-bar__actions .btn{flex:1 1 auto}
  .rel-list a{gap:14px;padding:18px 8px}
  .rel-num{font-size:22px;min-width:42px}
  .rel-body strong{font-size:16px}
  .prose{font-size:16.5px;line-height:1.85}
  .article-cover{margin-top:24px}
  .toast{right:16px;left:16px;bottom:16px;text-align:center}
}
@media (max-width:520px){
  .article-head h1{font-size:24px}
  .btn{width:100%}
  .btn.nav-cta{width:100%}
  .back-row .btn{width:100%}
  .back-row{flex-direction:column;align-items:stretch}
  .back-row .link-more{justify-content:center}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink:#0E3B2E;
  --ink-deep:#082821;
  --accent:#E8552B;
  --accent-deep:#CF4620;
  --accent-soft:#FBE7DF;
  --accent-text:#A8361A;
  --lime:#C6E95B;
  --paper:#F5F2EA;
  --card:#FFFFFF;
  --surface:#FBFAF6;
  --line:#E3DFD3;
  --text:#101A16;
  --muted:#5B655F;
  --warm:#F7F4EC;
  --r-card:12px;
  --r-btn:6px;
  --r-input:8px;
  --shadow-1:0 1px 2px rgba(16,26,22,.06),0 10px 28px -20px rgba(16,26,22,.22);
  --shadow-2:0 2px 4px rgba(16,26,22,.08),0 18px 40px -22px rgba(16,26,22,.34);
  --ease:cubic-bezier(.22,.61,.36,1);
  --num:"SF Mono",ui-monospace,Menlo,Consolas,"Roboto Mono",monospace;
  --sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --gutter:clamp(56px,8vw,112px);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--paper);
  background-image:linear-gradient(0deg,rgba(16,26,22,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(16,26,22,.028) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,242,234,.72);
  backdrop-filter:blur(9px);
  -webkit-backdrop-filter:blur(9px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(245,242,234,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -22px rgba(16,26,22,.7);
}
.header-inner{display:flex;align-items:center;gap:26px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{width:22px;height:22px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:3px}
.logo__mark i{display:block;background:var(--accent);border-radius:2px}
.logo__mark i:last-child{background:var(--ink)}
.logo__text{display:flex;flex-direction:column;line-height:1.16}
.logo__main{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.logo__sub{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:10px 12px;font-size:15px;color:var(--muted);border-radius:var(--r-btn);transition:color .25s var(--ease)}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-cta{margin-left:16px}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:rgba(255,255,255,.72);cursor:pointer;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s var(--ease)}
.nav-toggle:hover{background:#fff;border-color:#CFC9B8}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border-radius:var(--r-btn);border:1.5px solid transparent;
  cursor:pointer;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn__arrow{transition:transform .25s var(--ease)}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -16px rgba(232,85,43,.95)}
.btn--primary:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:0 16px 28px -16px rgba(232,85,43,.8)}
.btn--primary:hover .btn__arrow{transform:translateX(4px)}
.btn--outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--outline:hover{background:var(--ink);color:var(--warm)}
.btn--outline:hover .btn__arrow{transform:translateX(4px)}
.btn--ghost{background:transparent;border-color:rgba(247,244,236,.46);color:var(--warm)}
.btn--ghost:hover{background:rgba(247,244,236,.12);border-color:rgba(247,244,236,.8)}
.btn:active{transform:translateY(0) scale(.99)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:clamp(38px,5.2vw,62px) 0 clamp(30px,4vw,46px);border-bottom:1px solid var(--line)}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:url("/assets/images/backpic/back-1.webp") center right/cover no-repeat;
  opacity:.12;
  -webkit-mask-image:linear-gradient(90deg,transparent 26%,#000 88%);
  mask-image:linear-gradient(90deg,transparent 26%,#000 88%);
}
.cat-hero__inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--accent);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.cat-hero h1{
  margin:14px 0 14px;
  font-size:clamp(28px,4vw,46px);line-height:1.16;letter-spacing:-.02em;font-weight:700;color:var(--ink);
}
.cat-hero__lead{max-width:58ch;color:var(--muted);font-size:16.5px}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cat-hero__num{
  font-family:var(--num);font-weight:600;line-height:.78;letter-spacing:-.05em;
  font-size:clamp(72px,12vw,158px);
  color:rgba(14,59,46,.10);
  user-select:none;
}
@supports (-webkit-text-stroke:1px #000){
  .cat-hero__num{color:transparent;-webkit-text-stroke:1.6px rgba(14,59,46,.20)}
}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:20px}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--accent)}
.crumb span[aria-current]{color:var(--ink)}

/* ---------- tabs ---------- */
.cat-tabs{background:rgba(251,250,246,.72);border-bottom:1px solid var(--line)}
.cat-tabs__inner{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.cat-tabs__inner::-webkit-scrollbar{display:none}
.tab{position:relative;flex:0 0 auto;padding:16px 18px;font-size:15px;color:var(--muted);white-space:nowrap;transition:color .25s var(--ease)}
.tab::after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.tab:hover{color:var(--ink)}
.tab:hover::after,.tab.is-active::after{transform:scaleX(1)}
.tab.is-active{color:var(--ink);font-weight:600}

/* ---------- sections ---------- */
.section{padding:var(--gutter) 0}
.section--tight{padding:clamp(42px,5vw,68px) 0}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;flex-wrap:wrap;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:600;letter-spacing:-.01em;color:var(--ink);line-height:1.35}
.section-head p{margin-top:8px;color:var(--muted);font-size:14.5px;max-width:54ch}
.section-head__link{font-size:14px;color:var(--ink);border-bottom:1.5px solid var(--accent);padding-bottom:2px;transition:color .25s var(--ease)}
.section-head__link:hover{color:var(--accent)}

/* ---------- entry list ---------- */
.entry-list{border-top:1px solid var(--line)}
.entry{
  position:relative;
  display:grid;grid-template-columns:124px minmax(0,1fr) 46px;gap:22px;align-items:center;
  padding:22px 12px;border-bottom:1px solid var(--line);
  transition:background .25s var(--ease);
}
.entry:hover{background:var(--surface)}
.entry__thumb{width:124px;height:93px;border-radius:10px;overflow:hidden;background:var(--surface);border:1px solid var(--line)}
.entry__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.entry:hover .entry__thumb img{transform:scale(1.04)}
.entry__body h3{font-size:18.5px;font-weight:600;line-height:1.45;color:var(--ink)}
.entry__body h3 a{position:relative;transition:color .25s var(--ease)}
.entry__body h3 a::after{content:"";position:absolute;inset:0;z-index:2}
.entry:hover .entry__body h3 a{color:var(--accent-text)}
.entry__body p{margin-top:6px;color:var(--muted);font-size:14.8px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry__meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;font-size:12px;letter-spacing:.05em;border-radius:999px;background:var(--accent-soft);color:var(--accent-text)}
.tag--ink{background:rgba(14,59,46,.08);color:var(--ink)}
.entry__time{font-family:var(--num);font-size:12.5px;letter-spacing:.02em;color:var(--muted)}
.entry__arrow{
  justify-self:end;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--ink);
  transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.entry:hover .entry__arrow{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateX(4px)}

/* ---------- metrics ---------- */
.metrics__grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.metric{background:var(--card);padding:26px 22px;transition:background .25s var(--ease)}
.metric:hover{background:var(--surface)}
.metric__num{font-family:var(--num);font-size:clamp(26px,3vw,34px);font-weight:600;letter-spacing:-.02em;color:var(--ink);line-height:1.15}
.metric__num span{font-family:var(--sans);font-size:13.5px;font-weight:500;color:var(--muted);margin-left:5px}
.metric__label{margin-top:6px;font-size:14px;color:var(--muted)}
.metrics__note{margin-top:18px;font-size:14px;color:var(--muted);max-width:70ch}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D8D3C3}
.step__idx{font-family:var(--num);font-size:13px;letter-spacing:.14em;font-weight:600;color:var(--accent)}
.step h3{margin-top:12px;font-size:19px;font-weight:600;color:var(--ink);line-height:1.45}
.step p{margin-top:8px;font-size:14.8px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,.62fr) minmax(0,1fr);gap:clamp(28px,4vw,56px);align-items:start}
.faq-layout__aside h2{font-size:clamp(22px,2.6vw,28px);font-weight:600;color:var(--ink);line-height:1.35}
.faq-layout__aside p{margin-top:12px;color:var(--muted);font-size:15px;max-width:34ch}
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:0 22px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.faq details[open]{border-color:#D8D3C3;box-shadow:var(--shadow-1)}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--accent-text)}
.faq .icon{width:20px;height:20px;flex:0 0 auto;color:var(--accent);transition:transform .3s var(--ease)}
.faq details[open] .icon{transform:rotate(45deg)}
.faq__body{padding:0 0 20px;color:var(--muted);font-size:15.5px;line-height:1.85;max-width:70ch}

/* ---------- cta ---------- */
.cta{position:relative;overflow:hidden;background:var(--ink);color:var(--warm);margin-top:var(--gutter)}
.cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.16;
  mix-blend-mode:luminosity;
}
.cta::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(0deg,rgba(247,244,236,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(247,244,236,.06) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.5;
}
.cta__inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:clamp(42px,5.4vw,68px) 0}
.cta h2{font-size:clamp(24px,3vw,32px);font-weight:600;letter-spacing:-.01em;color:var(--warm);line-height:1.35}
.cta p{margin-top:10px;color:rgba(247,244,236,.74);font-size:15px;max-width:52ch}
.cta__actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(243,240,230,.82)}
.footer-top{padding:clamp(44px,5.4vw,72px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .logo__main{color:var(--warm);white-space:normal}
.footer-brand .logo__sub{color:rgba(198,233,91,.86)}
.site-footer .logo__mark i:last-child{background:var(--lime)}
.footer-brand p{margin-top:14px;font-size:14.5px;line-height:1.85;color:rgba(243,240,230,.66);max-width:32ch}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:var(--lime);font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(243,240,230,.78);transition:color .25s var(--ease)}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:20px 0 30px;font-size:13px;color:rgba(243,240,230,.55)}
.footer-bottom a{color:rgba(243,240,230,.78);text-decoration:underline;text-underline-offset:3px;transition:color .25s var(--ease)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:120;display:flex;justify-content:flex-end;pointer-events:none;visibility:hidden}
.drawer.is-open{pointer-events:auto;visibility:visible}
.drawer__mask{position:absolute;inset:0;background:rgba(8,40,33,.55);opacity:0;transition:opacity .32s var(--ease)}
.drawer.is-open .drawer__mask{opacity:1}
.drawer__panel{
  position:relative;width:min(86vw,360px);height:100%;
  background:var(--ink);color:var(--warm);
  padding:22px 22px 28px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .38s var(--ease);
  box-shadow:-20px 0 50px -30px rgba(0,0,0,.7);
  overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:none}
.drawer__top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.14);margin-bottom:8px}
.drawer__title{font-size:15px;font-weight:700;letter-spacing:.01em;color:var(--warm)}
.drawer__close{width:40px;height:40px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-btn);color:var(--warm);cursor:pointer;transition:background .25s var(--ease)}
.drawer__close:hover{background:rgba(255,255,255,.12)}
.drawer__link{
  display:flex;align-items:center;height:56px;font-size:19px;color:var(--warm);
  border-bottom:1px solid rgba(255,255,255,.1);
  opacity:0;transform:translateX(14px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),color .2s var(--ease);
}
.drawer__link:hover{color:var(--lime)}
.drawer.is-open .drawer__link{opacity:1;transform:none}
.drawer.is-open .drawer__link:nth-of-type(1){transition-delay:.06s}
.drawer.is-open .drawer__link:nth-of-type(2){transition-delay:.1s}
.drawer.is-open .drawer__link:nth-of-type(3){transition-delay:.14s}
.drawer.is-open .drawer__link:nth-of-type(4){transition-delay:.18s}
.drawer__cta{margin-top:auto;width:100%}

/* ---------- toast ---------- */
.toast{
  position:fixed;right:20px;bottom:24px;z-index:200;
  background:var(--ink);color:var(--warm);
  padding:12px 18px;border-radius:var(--r-btn);font-size:14px;
  box-shadow:var(--shadow-2);
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.toast.is-show{opacity:1;transform:none}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:991px){
  .nav{display:none}
  .nav-toggle{display:flex}
  .header-inner{min-height:66px}
  .cat-hero__inner{grid-template-columns:minmax(0,1fr)}
  .cat-hero__num{font-size:clamp(64px,16vw,110px);opacity:.9}
  .steps{grid-template-columns:1fr}
  .metrics__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .faq-layout__aside p{max-width:none}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .entry{grid-template-columns:96px minmax(0,1fr);gap:14px;padding:18px 0}
  .entry__thumb{width:96px;height:72px}
  .entry__arrow{display:none}
  .entry__body h3{font-size:16.5px}
  .entry__body p{font-size:14px}
  .cta__inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center}
  .toast{left:16px;right:16px;bottom:16px;text-align:center}
}
@media (max-width:520px){
  .cat-hero__actions{flex-direction:column;align-items:stretch}
  .cat-hero__actions .btn{width:100%}
  .metrics__grid{grid-template-columns:1fr}
  .cta__actions{flex-direction:column;align-items:stretch}
  .cta__actions .btn{width:100%}
  .section-head{gap:14px}
  .tag{font-size:11.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#0E3B2E;
  --ink-deep:#082821;
  --accent:#E8552B;
  --accent-dark:#C7441F;
  --accent-soft:#FBE7DF;
  --lime:#C6E95B;
  --paper:#F5F2EA;
  --card:#FFFFFF;
  --surface:#FBFAF6;
  --line:#E3DFD3;
  --text:#101A16;
  --muted:#5B655F;
  --warm:#F7F4EC;
  --radius-card:12px;
  --radius-btn:6px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,26,22,.06),0 10px 28px -20px rgba(16,26,22,.22);
  --shadow-2:0 2px 4px rgba(16,26,22,.07),0 18px 34px -18px rgba(16,26,22,.30);
  --container:1240px;
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk",Inter,"SF Mono",ui-monospace,"Segoe UI",sans-serif;
  --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:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(245,242,234,.93);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -22px rgba(16,26,22,.4);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:76px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{display:inline-grid;grid-template-columns:repeat(2,6px);gap:3px;width:15px}
.logo__mark i{display:block;width:6px;height:6px;background:var(--accent);border-radius:2px}
.logo__mark i:nth-child(2){background:var(--ink)}
.logo__main{display:block;font-size:17px;font-weight:700;letter-spacing:-.02em;color:var(--ink);line-height:1.25}
.logo__sub{display:block;font-family:var(--font-num);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);line-height:1.4}
.nav{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--text);
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .32s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:6px}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:8px;
  background:rgba(255,255,255,.7);
}
.menu-toggle span{
  position:relative;
  display:block;
  width:18px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .3s var(--ease),background .2s;
}
.menu-toggle span::before,
.menu-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .3s var(--ease),top .3s var(--ease);
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle.is-open span{background:transparent}
.menu-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.menu-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;
  top:0;right:0;
  z-index:120;
  width:86%;
  max-width:360px;
  height:100%;
  padding:28px 24px 32px;
  background:var(--ink-deep);
  color:var(--warm);
  display:flex;
  flex-direction:column;
  transform:translateX(102%);
  transition:transform .38s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px}
.drawer__title{font-size:14px;letter-spacing:.14em;color:var(--lime);font-family:var(--font-num)}
.drawer__close{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.22);
  border-radius:8px;
  color:var(--warm);
  font-size:20px;
  line-height:1;
}
.drawer__nav{display:flex;flex-direction:column}
.drawer__nav a{
  padding:16px 0;
  font-size:20px;
  border-bottom:1px solid rgba(255,255,255,.1);
  opacity:0;
  transform:translateY(8px);
  transition:opacity .32s var(--ease),transform .32s var(--ease),color .2s;
}
.drawer.is-open .drawer__nav a{opacity:1;transform:translateY(0)}
.drawer__nav a:hover{color:var(--lime)}
.drawer__foot{margin-top:auto;padding-top:28px}
.drawer__foot .btn{width:100%}
.drawer-scrim{
  position:fixed;
  inset:0;
  z-index:110;
  background:rgba(8,40,33,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s;
}
.drawer-scrim.is-open{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn .btn__arrow{transition:transform .24s var(--ease)}
.btn:hover .btn__arrow{transform:translateX(4px)}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -16px rgba(232,85,43,.9)}
.btn--primary:hover{background:var(--accent-dark)}
.btn--primary:active{transform:translateY(1px)}
.btn--outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--outline:hover{background:var(--ink);color:var(--warm)}
.btn--light{border-color:rgba(255,255,255,.55);color:var(--warm);background:transparent}
.btn--light:hover{background:rgba(255,255,255,.14);border-color:var(--warm)}
.btn--ghost{
  min-height:44px;
  padding:0 4px;
  color:var(--ink);
  font-weight:600;
  border:0;
}
.btn--ghost .btn__arrow{transition:transform .24s var(--ease)}
.btn--ghost:hover .btn__arrow{transform:translateX(4px)}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:clamp(44px,6vw,78px) 0 clamp(38px,5vw,60px);
  background:linear-gradient(180deg,#F8F6EF 0%,var(--paper) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(14,59,46,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,59,46,.045) 1px,transparent 1px);
  background-size:36px 36px;
  -webkit-mask-image:radial-gradient(ellipse at 72% 26%,#000 0%,transparent 74%);
  mask-image:radial-gradient(ellipse at 72% 26%,#000 0%,transparent 74%);
}
.page-hero .container{position:relative;z-index:1}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:22px;
}
.crumb a{transition:color .2s}
.crumb a:hover{color:var(--accent)}
.crumb span[aria-current]{color:var(--text);font-weight:600}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:36px;
  align-items:end;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  margin-bottom:18px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--ink);
  background:var(--accent-soft);
  border-radius:var(--radius-pill);
  font-family:var(--font-num);
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
}
.page-hero h1{
  font-size:clamp(28px,4vw,46px);
  line-height:1.16;
  letter-spacing:-.02em;
  color:var(--ink);
  max-width:15em;
}
.hero-sub{
  margin-top:18px;
  max-width:38em;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-num{
  font-family:var(--font-num);
  font-size:clamp(72px,12vw,160px);
  line-height:.8;
  font-weight:600;
  letter-spacing:-.04em;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(14,59,46,.14);
  text-stroke:1.5px rgba(14,59,46,.14);
  user-select:none;
}

/* ---------- tabs ---------- */
.tabs-band{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.55);
}
.tabs{
  display:flex;
  gap:34px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:0;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  position:relative;
  flex:0 0 auto;
  padding:18px 2px;
  font-size:15px;
  color:var(--muted);
  white-space:nowrap;
  transition:color .22s var(--ease);
}
.tab::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .32s var(--ease);
}
.tab:hover{color:var(--ink)}
.tab:hover::after{transform:scaleX(1)}
.tab.is-active{color:var(--ink);font-weight:600}
.tab.is-active::after{transform:scaleX(1)}

/* ---------- sections ---------- */
.section{padding:clamp(52px,7vw,96px) 0}
.section--tight{padding:clamp(40px,5vw,64px) 0}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:clamp(26px,3.4vw,38px);
}
.section-head h2{
  font-size:clamp(22px,2.8vw,30px);
  color:var(--ink);
}
.section-head p{
  margin-top:10px;
  max-width:42em;
  color:var(--muted);
  font-size:15px;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  position:relative;
}
.link-more::after{
  content:"";
  position:absolute;
  left:0;right:22px;bottom:-3px;
  height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .32s var(--ease);
}
.link-more:hover::after{transform:scaleX(1)}
.link-more .btn__arrow{transition:transform .24s var(--ease)}
.link-more:hover .btn__arrow{transform:translateX(3px)}

/* ---------- map grid ---------- */
.map-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:24px;
  align-items:stretch;
}
.map-main{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:clamp(26px,3.2vw,40px);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:box-shadow .3s var(--ease),transform .3s var(--ease);
}
.map-main::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--accent);
}
.map-main:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.map-main h3{font-size:clamp(19px,2vw,23px);color:var(--ink);margin-bottom:14px}
.map-main p{color:var(--muted);font-size:16px;line-height:1.85}
.map-main .link-more{margin-top:22px}
.map-side{display:grid;gap:24px}
.map-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 26px;
  transition:box-shadow .3s var(--ease),transform .3s var(--ease),border-color .3s var(--ease);
}
.map-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:#D5D0C0}
.map-card h3{
  font-size:17px;
  color:var(--ink);
  margin-bottom:8px;
  display:flex;
  align-items:center;
  gap:10px;
}
.map-card h3 i{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--lime);
  flex:0 0 auto;
  font-style:normal;
}
.map-card p{font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- entry list ---------- */
.entry-list{
  border-top:1px solid var(--line);
}
.entry-row{
  position:relative;
  display:grid;
  grid-template-columns:76px minmax(0,1fr) auto;
  gap:26px;
  align-items:center;
  padding:26px 12px 26px 20px;
  border-bottom:1px solid var(--line);
  transition:background .28s var(--ease);
}
.entry-row::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:3px;
  height:0;
  background:var(--accent);
  transform:translateY(-50%);
  transition:height .32s var(--ease);
}
.entry-row:hover{background:var(--surface)}
.entry-row:hover::before{height:66%}
.entry-num{
  font-family:var(--font-num);
  font-size:clamp(26px,3vw,36px);
  font-weight:600;
  line-height:1;
  letter-spacing:-.03em;
  color:var(--accent);
  transition:transform .32s var(--ease),color .32s var(--ease);
}
.entry-row:hover .entry-num{transform:translateX(4px);color:var(--ink)}
.entry-title{
  display:inline-block;
  font-size:clamp(17px,1.8vw,20px);
  font-weight:700;
  color:var(--ink);
  line-height:1.45;
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 1px;
  transition:background-size .32s var(--ease),color .2s;
}
.entry-title:hover{background-size:100% 1px;color:var(--accent)}
.entry-desc{
  margin-top:8px;
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
  max-width:52em;
}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 11px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--ink);
  background:var(--accent-soft);
  border-radius:var(--radius-pill);
  transition:background .22s var(--ease);
}
.tag:hover{background:#F7D9CD}
.entry-side{
  display:flex;
  align-items:center;
  gap:16px;
  white-space:nowrap;
}
.entry-meta{
  font-size:13px;
  color:var(--muted);
  font-family:var(--font-num);
}
.entry-arrow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--ink);
  transition:background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease);
}
.entry-row:hover .entry-arrow{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--warm);
  transform:translateX(3px);
}

/* ---------- flow ---------- */
.flow-wrap{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:clamp(26px,4vw,56px);
  align-items:center;
}
.flow-figure{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--shadow-1);
}
.flow-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.flow-figure:hover img{transform:scale(1.04)}
.flow-figure figcaption{
  position:absolute;
  left:14px;bottom:14px;
  padding:6px 12px;
  font-size:12px;
  color:var(--ink);
  background:rgba(251,231,223,.94);
  border-radius:var(--radius-pill);
  letter-spacing:.04em;
}
.flow-steps{display:grid;gap:6px;counter-reset:flow}
.flow-step{
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:16px;
  padding:20px 14px 20px 0;
  border-bottom:1px solid var(--line);
  transition:background .26s var(--ease),padding-left .26s var(--ease);
}
.flow-step:last-child{border-bottom:0}
.flow-step:hover{background:var(--surface);padding-left:12px}
.flow-step__num{
  font-family:var(--font-num);
  font-size:16px;
  font-weight:600;
  color:var(--accent);
  padding-top:3px;
  letter-spacing:.02em;
}
.flow-step h3{font-size:17px;color:var(--ink);margin-bottom:6px}
.flow-step p{font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- metrics band ---------- */
.metrics{
  position:relative;
  overflow:hidden;
  background:linear-gradient(140deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:var(--warm);
  padding:clamp(44px,6vw,76px) 0;
}
.metrics::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(ellipse at 30% 40%,#000,transparent 78%);
  mask-image:radial-gradient(ellipse at 30% 40%,#000,transparent 78%);
}
.metrics .container{position:relative;z-index:1}
.metrics-head{max-width:44em;margin-bottom:clamp(26px,3.4vw,40px)}
.metrics-head h2{
  font-size:clamp(22px,2.8vw,30px);
  color:#fff;
}
.metrics-head p{margin-top:12px;color:rgba(247,244,236,.72);font-size:15px}
.metrics-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.metric{
  padding:24px 24px 26px;
  border-radius:var(--radius-card);
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  transition:border-color .28s var(--ease),background .28s var(--ease),transform .28s var(--ease);
}
.metric:hover{border-color:rgba(198,233,91,.5);background:rgba(255,255,255,.07);transform:translateY(-3px)}
.metric__value{
  font-family:var(--font-num);
  font-size:clamp(30px,4vw,42px);
  font-weight:600;
  line-height:1.1;
  letter-spacing:-.02em;
  color:var(--lime);
}
.metric__label{
  margin-top:10px;
  font-size:15px;
  color:#fff;
}
.metric__note{
  margin-top:6px;
  font-size:13px;
  color:rgba(247,244,236,.62);
  line-height:1.7;
}

/* ---------- faq ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:.8fr 1.4fr;
  gap:clamp(26px,4vw,56px);
  align-items:start;
}
.faq-intro h2{font-size:clamp(22px,2.8vw,30px);color:var(--ink)}
.faq-intro p{margin-top:14px;color:var(--muted);font-size:15px;max-width:26em}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.faq-item[open]{border-color:#D9D3C2;box-shadow:var(--shadow-1)}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-family:var(--font-num);
  font-size:20px;
  font-weight:400;
  color:var(--accent);
  line-height:1;
  transition:transform .3s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}

/* ---------- cta ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:linear-gradient(130deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:var(--warm);
  padding:clamp(44px,6vw,80px) 0;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:38px 38px;
  -webkit-mask-image:radial-gradient(ellipse at 78% 20%,#000,transparent 76%);
  mask-image:radial-gradient(ellipse at 78% 20%,#000,transparent 76%);
}
.cta-band .container{position:relative;z-index:1}
.cta-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
}
.cta-grid h2{font-size:clamp(23px,3vw,34px);color:#fff;max-width:18em}
.cta-grid p{margin-top:14px;font-size:15px;color:rgba(247,244,236,.75);max-width:34em;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.toast{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:200;
  padding:12px 20px;
  font-size:14px;
  color:var(--warm);
  background:var(--ink-deep);
  border-radius:8px;
  box-shadow:var(--shadow-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.toast.is-show{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:var(--warm);
  padding:clamp(44px,6vw,72px) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand .logo__main,
.footer-brand .logo__sub{color:var(--warm)}
.footer-brand .logo__mark i:nth-child(2){background:var(--lime)}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(247,244,236,.66);
  max-width:22em;
}
.footer-col h4{
  font-size:13px;
  letter-spacing:.12em;
  color:var(--lime);
  font-weight:600;
  margin-bottom:16px;
  font-family:var(--font-num);
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{
  position:relative;
  display:inline-block;
  font-size:14px;
  color:rgba(247,244,236,.82);
  transition:color .22s var(--ease);
}
.footer-col a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:1px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .3s var(--ease);
}
.footer-col a:hover{color:var(--lime)}
.footer-col a:hover::after{transform:scaleX(1)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:clamp(34px,4vw,52px);
  padding:22px 20px 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(247,244,236,.6);
}
.footer-bottom a{color:rgba(247,244,236,.82);transition:color .2s}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .entry-row{grid-template-columns:64px minmax(0,1fr) auto;gap:20px}
}
@media (max-width:991px){
  .nav{display:none}
  .menu-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:20px}
  .hero-num{font-size:clamp(64px,14vw,110px);order:-1;opacity:.75}
  .map-grid{grid-template-columns:1fr}
  .flow-wrap{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 16px}
  .header-inner{min-height:66px}
  .logo__main{font-size:16px}
  .page-hero{padding:34px 0 30px}
  .entry-row{
    grid-template-columns:52px minmax(0,1fr);
    gap:14px;
    padding:22px 8px 22px 16px;
  }
  .entry-side{
    grid-column:1 / -1;
    justify-content:space-between;
    padding-left:66px;
  }
  .entry-num{font-size:26px}
  .metrics-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .hero-actions .btn,
  .cta-actions .btn{width:100%}
  .entry-side{padding-left:0;justify-content:flex-start;gap:12px}
  .faq-item summary{font-size:15px;padding:18px 16px}
  .faq-item .faq-body{padding:0 16px 18px}
  .toast{right:16px;left:16px;bottom:16px;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --green:#0E3B2E;
  --green-deep:#082821;
  --green-soft:#17513F;
  --orange:#E8552B;
  --orange-deep:#C8431F;
  --lime:#C6E95B;
  --paper:#F5F2EA;
  --card:#FFFFFF;
  --surface:#FBFAF6;
  --line:#E3DFD3;
  --ink:#101A16;
  --muted:#5B655F;
  --shade:#FBE7DF;
  --warm:#F7F4EC;
  --r-card:12px;
  --r-btn:6px;
  --r-tag:999px;
  --shadow-1:0 1px 2px rgba(16,26,22,.06),0 10px 28px -20px rgba(16,26,22,.22);
  --shadow-2:0 2px 4px rgba(16,26,22,.08),0 18px 36px -22px rgba(16,26,22,.32);
  --container:1240px;
  --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:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,242,234,0);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(245,242,234,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -18px rgba(16,26,22,.5);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}

.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.logo__mark{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.logo__mark i{display:block;width:6px;border-radius:2px;background:var(--orange)}
.logo__mark i:first-child{height:15px}
.logo__mark i:last-child{height:22px;background:var(--green)}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--green)}
.logo__sub{font-size:10px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

.nav{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;color:var(--ink);padding:6px 0;transition:color .2s ease}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--orange);
  transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease);
}
.nav-link:hover{color:var(--green)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--green);font-weight:600}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;white-space:nowrap;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn svg{width:16px;height:16px;flex:none;transition:transform .22s ease}
.btn:hover svg{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px -18px rgba(232,85,43,.9)}
.btn--primary:hover{background:var(--orange-deep)}
.btn--outline{background:transparent;border-color:var(--green);color:var(--green)}
.btn--outline:hover{background:var(--green);color:var(--warm)}
.btn--onDark{background:transparent;border-color:rgba(247,244,236,.55);color:var(--warm)}
.btn--onDark:hover{background:var(--warm);color:var(--green)}
.nav-cta{height:40px;padding:0 18px;font-size:14px}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:8px;
  flex-direction:column;align-items:center;justify-content:center;gap:6px;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--green);transition:transform .28s var(--ease),opacity .28s ease}
.nav-toggle.is-open span:first-child{transform:translateY(4px) rotate(45deg)}
.nav-toggle.is-open span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* ---------- Drawer ---------- */
.drawer-scrim{
  position:fixed;inset:0;z-index:70;background:rgba(8,40,33,.45);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-scrim.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;
  width:min(86vw,360px);background:var(--green);color:var(--warm);
  padding:28px 24px 32px;display:flex;flex-direction:column;
  transform:translateX(100%);visibility:hidden;
  transition:transform .38s var(--ease),visibility .38s ease;
}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__title{font-size:13px;letter-spacing:.14em;color:var(--lime);font-weight:600}
.drawer__close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid rgba(247,244,236,.25)}
.d-link{display:flex;align-items:center;height:56px;font-size:20px;font-weight:600;border-bottom:1px solid rgba(247,244,236,.12);transition:color .2s ease}
.d-link:hover,.d-link.is-active{color:var(--lime)}
.drawer .btn{margin-top:auto;width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(32px,4.5vw,56px) 0 clamp(40px,5.5vw,64px)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(14,59,46,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(14,59,46,.05) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse at 26% 18%,#000 22%,transparent 76%);
  mask-image:radial-gradient(ellipse at 26% 18%,#000 22%,transparent 76%);
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1fr) 230px;
  gap:40px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--orange);
  margin-bottom:18px;
}
.hero-eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px}
.hero h1{
  font-size:clamp(28px,4vw,46px);line-height:1.22;letter-spacing:-.02em;
  font-weight:700;color:var(--green);max-width:15em;
}
.hero-sub{
  margin-top:18px;font-size:clamp(15px,1.3vw,17px);line-height:1.85;
  color:var(--muted);max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:36px}
.stat{position:relative;padding-left:18px}
.stat:first-child{padding-left:0}
.stat::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:26px;background:var(--line)}
.stat:first-child::before{display:none}
.stat__num{display:block;font-size:26px;font-weight:700;line-height:1.2;letter-spacing:-.02em;color:var(--green);font-variant-numeric:tabular-nums}
.stat__label{display:block;font-size:13px;color:var(--muted)}
.hero-aside{display:flex;justify-content:flex-end;align-items:center}
.hero-num{
  font-size:clamp(88px,12vw,158px);line-height:.82;font-weight:700;letter-spacing:-.05em;
  color:transparent;-webkit-text-stroke:2px rgba(14,59,46,.16);text-stroke:2px rgba(14,59,46,.16);
  font-variant-numeric:tabular-nums;user-select:none;
}

/* ---------- Category tabs ---------- */
.cat-tabs-wrap{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.55)}
.cat-tabs{display:flex;gap:32px;overflow-x:auto;scrollbar-width:none}
.cat-tabs::-webkit-scrollbar{display:none}
.cat-tabs a{
  position:relative;display:inline-flex;align-items:center;height:58px;
  font-size:15px;color:var(--muted);white-space:nowrap;transition:color .2s ease;
}
.cat-tabs a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--orange);
  transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease);
}
.cat-tabs a:hover{color:var(--green)}
.cat-tabs a:hover::after,.cat-tabs a.is-active::after{transform:scaleX(1)}
.cat-tabs a.is-active{color:var(--green);font-weight:600}

/* ---------- Sections ---------- */
.section{padding:clamp(48px,7vw,88px) 0}
.section-head{max-width:660px;margin-bottom:clamp(28px,4vw,44px)}
.section-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;letter-spacing:-.01em;color:var(--green);line-height:1.4}
.section-head p{margin-top:12px;font-size:15.5px;line-height:1.85;color:var(--muted)}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:36px;
  max-width:none;
}
.section-head--row p{max-width:34em;margin-top:0}

/* ---------- Masonry deck ---------- */
.deck{column-count:2;column-gap:26px}
.post-card{
  break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid;
  margin:0 0 26px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D8D3C4}
.post-card__media{
  display:block;overflow:hidden;background:var(--surface);
  border-bottom:1px solid var(--line);aspect-ratio:16/10;
}
.post-card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .55s var(--ease);
}
.post-card:hover .post-card__media img{transform:scale(1.04)}
.post-card__body{padding:20px 22px 22px}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-tag);background:var(--shade);color:var(--orange-deep);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge--ghost{background:var(--surface);color:var(--muted);border:1px solid var(--line)}
.post-card__title{font-size:19px;font-weight:600;line-height:1.5;color:var(--green)}
.post-card__title a{transition:color .2s ease}
.post-card__title a:hover{color:var(--orange)}
.post-card__desc{margin-top:10px;font-size:15px;line-height:1.8;color:var(--muted)}
.post-card__meta{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.post-card__meta .arrow{
  width:26px;height:26px;flex:none;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--green);
  transition:background .22s ease,border-color .22s ease,color .22s ease,transform .22s ease;
}
.post-card__meta .arrow svg{width:13px;height:13px}
.post-card:hover .post-card__meta .arrow{background:var(--orange);border-color:var(--orange);color:#fff;transform:translateX(2px)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.step{
  position:relative;padding:26px 24px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.step::before{
  content:"";position:absolute;left:24px;top:0;width:34px;height:3px;
  background:var(--lime);border-radius:0 0 3px 3px;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D8D3C4}
.step__num{display:block;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--orange);margin:10px 0 10px;font-variant-numeric:tabular-nums}
.step h3{font-size:18px;font-weight:600;color:var(--green);line-height:1.5;margin-bottom:8px}
.step p{font-size:14.5px;line-height:1.8;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:880px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:#D8D3C4;box-shadow:var(--shadow-2)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--green);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:11px;height:11px;flex:none;
  border-right:2px solid var(--orange);border-bottom:2px solid var(--orange);
  transform:rotate(45deg);transition:transform .3s var(--ease);margin-right:4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--green);color:var(--warm);padding:clamp(44px,6vw,74px) 0}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;letter-spacing:-.01em;color:var(--warm);line-height:1.4}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(247,244,236,.72);max-width:36em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--green);color:#EDEAE0}
.footer-top{
  padding:clamp(46px,6vw,70px) 0 clamp(34px,4vw,48px);
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo__main{color:var(--warm)}
.footer-brand .logo__sub{color:rgba(247,244,236,.58)}
.footer-brand .logo__mark i:last-child{background:var(--lime)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(247,244,236,.68);max-width:26em}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--lime);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{position:relative;display:inline-block;font-size:14.5px;color:rgba(247,244,236,.78);transition:color .2s ease}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.footer-col a:hover{color:var(--lime)}
.footer-col a:hover::after{transform:scaleX(1)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,236,.6);
}
.footer-bottom a{color:rgba(247,244,236,.85);border-bottom:1px solid rgba(247,244,236,.3);transition:color .2s ease,border-color .2s ease}
.footer-bottom a:hover{color:var(--lime);border-color:var(--lime)}

/* ---------- Toast ---------- */
.toast{
  position:fixed;right:22px;bottom:22px;z-index:120;
  background:var(--green);color:var(--warm);padding:12px 20px;border-radius:8px;
  font-size:14px;box-shadow:0 14px 32px -14px rgba(8,40,33,.7);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.toast.is-show{opacity:1;transform:translateY(0)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .hero-inner{grid-template-columns:minmax(0,1fr) 190px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
}

@media (max-width:991px){
  .nav{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:68px}
  .hero-inner{grid-template-columns:minmax(0,1fr)}
  .hero-aside{display:none}
  .steps{grid-template-columns:1fr}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:14px}
  .section-head--row p{margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{align-items:flex-start}
}

@media (max-width:767px){
  .container{padding:0 16px}
  .deck{column-count:1}
  .post-card__body{padding:18px 18px 20px}
  .hero h1{max-width:none}
  .hero-stats{gap:18px}
  .stat{padding-left:14px}
  .stat__num{font-size:22px}
  .faq-item summary{padding:16px 18px;font-size:16px}
  .faq-a{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 200px}
}

@media (max-width:479px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{flex-direction:column;gap:12px}
  .stat{padding-left:0}
  .stat::before{display:none}
  .btn{height:44px;width:100%}
  .nav-cta{width:auto}
  .toast{left:16px;right:16px;bottom:16px;text-align:center}
}

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