/* roulang page: index */
:root{
  --brand-900:#0E4732;
  --brand-700:#14654A;
  --brand-600:#1C7A57;
  --brand-300:#7FC3A6;
  --brand-50:#EAF4EF;
  --clay-600:#C8552F;
  --clay-200:#F0D6CB;
  --lime-300:#DFF25A;
  --bg:#F7F3EC;
  --surface:#FFFFFF;
  --surface-2:#F1ECE2;
  --line:#E3DED3;
  --line-soft:#EDE8DD;
  --ink:#14171A;
  --ink-2:#5A625E;
  --ink-3:#8A918C;
  --dark:#10130F;
  --r-lg:32px;
  --r-md:24px;
  --r-sm:20px;
  --r-xs:14px;
  --shadow-1:0 2px 4px rgba(20,23,26,.04),0 18px 40px -24px rgba(20,23,26,.18);
  --shadow-2:0 6px 12px rgba(20,23,26,.06),0 28px 56px -28px rgba(14,71,50,.28);
  --grad-brand:linear-gradient(120deg,#0E4732 0%,#1C7A57 52%,#4FB68C 100%);
  --grad-warm:linear-gradient(120deg,#C8552F,#E89A4C);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 40px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,236,.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.97);
  box-shadow:0 1px 12px rgba(20,23,26,.08);
  border-bottom-color:var(--line-soft);
}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:14px;letter-spacing:.02em;
  box-shadow:0 8px 18px -10px rgba(14,71,50,.8);
}
.logo-text{font-size:18px;font-weight:800;line-height:1.15;letter-spacing:-.01em;white-space:nowrap}
.logo-sub{display:block;font-size:11px;font-weight:600;color:var(--ink-3);letter-spacing:.16em}
.nav-tabs{display:none;margin:0 auto;background:var(--surface-2);border-radius:999px;padding:6px;gap:4px}
@media(min-width:1024px){.nav-tabs{display:flex}}
.nav-tab{
  padding:9px 15px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--ink-2);white-space:nowrap;transition:background .18s ease,color .18s ease;
}
.nav-tab:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-tab.is-active{background:var(--brand-600);color:#fff}
.nav-tab.is-active:hover{background:var(--brand-700);color:#fff}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px -14px rgba(14,71,50,.9)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-outline{background:#fff;border:1.5px solid var(--clay-600);color:var(--clay-600)}
.btn-outline:hover{background:rgba(240,214,203,.35);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand-700);padding:0;height:auto}
.btn-ghost .arrow{transition:transform .18s ease}
.btn-ghost:hover .arrow{transform:translateX(4px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.header-cta{display:none}
@media(min-width:1024px){.header-cta{display:inline-flex}}
.burger{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  display:grid;place-items:center;background:#fff;transition:border-color .18s ease,background .18s ease;
}
.burger:hover{border-color:var(--brand-300);background:var(--brand-50)}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
@media(min-width:1024px){.burger{display:none}}
.drawer{
  display:none;border-top:1px solid var(--line-soft);background:#fff;
  box-shadow:0 18px 40px -28px rgba(20,23,26,.5);
}
.drawer.is-open{display:block}
.drawer-inner{padding:14px 0 22px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;border-bottom:1px solid var(--line-soft);
  font-size:15px;font-weight:600;color:var(--ink);
}
.drawer-link:hover{color:var(--brand-700)}
.drawer-link .chev{color:var(--ink-3)}
.drawer-cta{margin-top:18px;width:100%}

/* ---------- shared ---------- */
.section{padding:48px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-700);letter-spacing:.04em;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--brand-600)}
h2.section-title{
  font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.22;letter-spacing:-.015em;margin-top:10px;
}
.section-lead{font-size:15px;color:var(--ink-2);max-width:520px;margin-top:8px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:8px;font-size:12.5px;font-weight:800;
  color:#14171A;background:var(--lime-300);line-height:1.5;
}
.badge-warm{background:var(--grad-warm);color:#fff}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:40px 0 52px}
@media(min-width:1024px){.hero{padding:64px 0 84px}}
.hero::before{
  content:"";position:absolute;left:-15%;top:-30%;width:90%;height:620px;
  background:radial-gradient(circle at 35% 40%,rgba(28,122,87,.13),transparent 62%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;gap:36px}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px;align-items:center}}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-50);color:var(--brand-700);
  padding:7px 16px;border-radius:999px;font-size:13px;font-weight:700;
}
h1.hero-title{
  font-size:clamp(30px,4.4vw,54px);
  font-weight:800;line-height:1.14;letter-spacing:-.02em;
  margin-top:20px;max-width:16em;
}
.hero-sub{
  font-size:clamp(15.5px,1.3vw,18px);line-height:1.72;color:var(--ink-2);
  margin-top:18px;max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 15px 7px 7px;font-size:13px;font-weight:600;color:var(--ink-2);
  box-shadow:var(--shadow-1);
}
.stat-pill b{
  display:inline-grid;place-items:center;min-width:52px;height:28px;padding:0 8px;
  border-radius:999px;background:var(--lime-300);color:#14171A;font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:4/3.5;background:var(--brand-900);box-shadow:var(--shadow-2);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.hero-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(14,71,50,.72) 0%,rgba(28,122,87,.5) 55%,rgba(79,182,140,.32) 100%);
}
.hero-frame-text{position:absolute;left:24px;right:24px;bottom:24px;z-index:2;color:#fff}
.hero-frame-text .tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.hero-frame-text p{font-size:17px;font-weight:700;line-height:1.5;margin-top:12px;max-width:15em}
.hero-float{
  position:absolute;right:-6px;bottom:-22px;width:62%;max-width:250px;
  background:#fff;border-radius:var(--r-sm);padding:6px;
  box-shadow:0 18px 40px -20px rgba(14,71,50,.45);
}
@media(min-width:640px){.hero-float{right:-18px}}
.hero-float img{width:100%;height:104px;object-fit:cover;border-radius:15px}
.hero-float-body{padding:10px 8px 8px}
.hero-float-body .line1{font-size:13px;font-weight:700;line-height:1.45}
.hero-float-body .line2{font-size:12px;color:var(--ink-3);margin-top:2px}

/* ---------- quick tabs ---------- */
.quick-tabs{display:flex;gap:10px;overflow-x:auto;padding:4px 0 8px;scrollbar-width:none}
.quick-tabs::-webkit-scrollbar{display:none}
.quick-tab{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-2);transition:all .18s ease;
}
.quick-tab:hover{border-color:var(--brand-300);background:var(--brand-50);color:var(--brand-700);transform:translateY(-2px)}
.quick-tab.is-current{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.quick-tab.is-current:hover{background:var(--brand-700);color:#fff}

/* ---------- story ---------- */
.story-grid{display:grid;gap:36px}
@media(min-width:1024px){.story-grid{grid-template-columns:7fr 5fr;gap:56px;align-items:start}}
.story-copy p{font-size:16px;color:var(--ink-2);margin-top:18px;line-height:1.85}
.point-list{margin-top:28px;display:grid;gap:16px}
.point-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.point-num{
  flex:0 0 auto;width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-700);font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.point-card h3{font-size:19px;font-weight:700;line-height:1.4}
.point-card p{font-size:14px;color:var(--ink-2);margin-top:6px;line-height:1.7}
.story-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2);position:relative;aspect-ratio:3/3.6}
.story-media img{width:100%;height:100%;object-fit:cover}
.story-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,19,15,0) 45%,rgba(16,19,15,.72) 100%)}
.story-media-cap{position:absolute;left:22px;right:22px;bottom:22px;z-index:2;color:#fff;font-size:14px;line-height:1.6}

/* ---------- featured ---------- */
.feature-grid{display:grid;gap:20px}
@media(min-width:1024px){.feature-grid{grid-template-columns:7fr 5fr}}
.feature-main{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  min-height:340px;box-shadow:var(--shadow-2);isolation:isolate;
}
@media(min-width:1024px){.feature-main{min-height:380px}}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .5s ease}
.feature-main::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(150deg,rgba(14,71,50,.86) 0%,rgba(14,71,50,.55) 48%,rgba(20,23,26,.78) 100%);
}
.feature-main:hover img{transform:scale(1.04)}
.feature-main-inner{position:relative;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;color:#fff}
@media(min-width:768px){.feature-main-inner{padding:36px}}
.feature-main-inner h3{font-size:clamp(21px,2.2vw,28px);font-weight:700;line-height:1.35;margin-top:14px;max-width:22em}
.feature-main-inner p{font-size:14.5px;line-height:1.72;color:rgba(255,255,255,.82);margin-top:10px;max-width:34em}
.feature-main .meta{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:rgba(255,255,255,.75)}
.feature-main .chip{background:rgba(255,255,255,.16);color:#fff}
.feature-main .badge{position:absolute;top:22px;left:24px}
.feature-side{display:grid;gap:16px}
.compact-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.compact-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.compact-card img{flex:0 0 88px;width:88px;height:88px;object-fit:cover;border-radius:16px}
.compact-card h3{font-size:16.5px;font-weight:700;line-height:1.42;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.compact-card:hover h3{color:var(--brand-700)}
.compact-card p{font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.compact-card .meta{font-size:12.5px;color:var(--ink-3);margin-top:8px}
.trio-grid{display:grid;gap:16px;margin-top:20px}
@media(min-width:768px){.trio-grid{grid-template-columns:repeat(3,1fr)}}
.trio-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.trio-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.trio-card .chip{margin-bottom:14px}
.trio-card h3{font-size:18px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.trio-card:hover h3{color:var(--brand-700)}
.trio-card p{font-size:14px;color:var(--ink-2);margin-top:10px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- latest / cms ---------- */
.news-grid{display:grid;gap:16px}
@media(min-width:1024px){.news-grid{grid-template-columns:1fr 1fr}}
.news-card{
  position:relative;display:flex;gap:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;min-height:172px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.news-bar{flex:0 0 4px;background:var(--brand-300);transition:flex-basis .18s ease,background .18s ease}
.news-card:hover .news-bar{flex-basis:6px;background:var(--brand-600)}
.news-body{padding:20px 22px;display:flex;flex-direction:column;flex:1 1 auto;min-width:0}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-3)}
.news-title{
  font-size:18px;font-weight:700;line-height:1.45;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand-700)}
.news-excerpt{
  font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{
  margin-top:auto;padding-top:14px;font-size:13px;font-weight:700;color:var(--brand-700);
  display:inline-flex;align-items:center;gap:6px;
}
.news-card:hover .news-more{gap:10px}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:36px 24px;text-align:center;
}
.empty-icon{width:48px;height:48px;border-radius:16px;background:var(--brand-50);display:grid;place-items:center;color:var(--brand-700);font-size:20px}
.empty-state p{font-size:15px;color:var(--ink-2)}
.list-foot{display:flex;justify-content:center;margin-top:32px}

/* ---------- trust ---------- */
.trust-band{background:var(--surface-2);border-radius:var(--r-lg);padding:32px 24px}
@media(min-width:1024px){.trust-band{padding:48px 40px}}
.data-grid{display:grid;gap:16px}
@media(min-width:640px){.data-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.data-grid{grid-template-columns:repeat(4,1fr)}}
.data-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;position:relative;overflow:hidden;box-shadow:var(--shadow-1);
}
.data-card::before{content:"";position:absolute;top:0;left:0;right:0;height:8px;background:var(--grad-brand)}
.data-card .k{font-size:13px;color:var(--ink-3);font-weight:600;margin-top:6px}
.data-card .v{
  font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1.1;letter-spacing:-.02em;
  color:var(--brand-900);font-variant-numeric:tabular-nums;
}
.data-card .d{font-size:13.5px;color:var(--ink-2);margin-top:8px;line-height:1.65}
.trust-note{
  margin-top:20px;padding:16px 22px;border-radius:var(--r-md);background:#fff;
  border:1px solid var(--line);border-left:4px solid var(--clay-600);
  font-size:14px;color:var(--ink-2);line-height:1.75;
}

/* ---------- faq ---------- */
.faq-wrap{max-width:920px}
.faq-list{display:grid;gap:12px;margin-top:8px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item:hover{border-color:var(--brand-300)}
.faq-item.is-open{border-color:var(--brand-600);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:700;line-height:1.5;
}
.faq-item.is-open .faq-q{color:var(--brand-900)}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--line);
  display:grid;place-items:center;font-size:15px;line-height:1;color:var(--brand-700);
  transition:transform .18s ease,background .18s ease,border-color .18s ease;
}
.faq-item.is-open .faq-icon{background:var(--brand-50);border-color:var(--brand-300);transform:rotate(180deg)}
.faq-a{display:none;padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-item.is-open .faq-a{display:block}

/* ---------- cta / subscribe ---------- */
.cta-section{padding-bottom:48px}
@media(min-width:1024px){.cta-section{padding-bottom:96px}}
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--dark);padding:28px 24px;
}
@media(min-width:768px){.cta-band{padding:44px 40px}}
.cta-band::before{
  content:"";position:absolute;right:-10%;top:-40%;width:70%;height:420px;
  background:radial-gradient(circle at 60% 50%,rgba(28,122,87,.55),transparent 65%);pointer-events:none;
}
.cta-card{
  position:relative;display:grid;gap:28px;background:#fff;border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:0 30px 60px -40px rgba(0,0,0,.6);
}
@media(min-width:1024px){.cta-card{grid-template-columns:1fr 1fr;gap:48px;padding:40px;align-items:center}}
.cta-card h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.28;letter-spacing:-.015em}
.cta-card .desc{font-size:15px;color:var(--ink-2);margin-top:12px;line-height:1.75}
.sub-form{display:flex;flex-wrap:wrap;gap:10px}
.sub-form input{
  flex:1 1 220px;height:52px;padding:0 18px;border-radius:var(--r-xs);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.sub-form input::placeholder{color:var(--ink-3)}
.sub-form input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(127,195,166,.35)}
.sub-form .btn{flex:0 0 auto}
@media(max-width:519px){.sub-form .btn{width:100%}}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.65}
.form-msg{font-size:13px;color:var(--brand-700);font-weight:600;margin-top:10px;display:none}
.form-msg.is-show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(247,243,236,.78);margin-top:8px}
.footer-bar{height:4px;background:var(--grad-brand)}
.footer-inner{padding:48px 0 28px}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-sub{color:rgba(247,243,236,.5)}
.footer-brand p{font-size:13.5px;line-height:1.75;margin-top:16px;max-width:24em;color:rgba(247,243,236,.7)}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-badge{
  font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;
  background:rgba(127,195,166,.14);color:var(--brand-300);border:1px solid rgba(127,195,166,.28);
  font-variant-numeric:tabular-nums;
}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:rgba(247,243,236,.72);transition:color .18s ease,transform .18s ease;display:inline-block}
.footer-col a:hover{color:var(--brand-300);transform:translateX(2px)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(247,243,236,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(247,243,236,.55);
}
.footer-bottom .dom{font-variant-numeric:tabular-nums}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --brand-900:#0E4732;
  --brand-700:#14654A;
  --brand-600:#1C7A57;
  --brand-300:#7FC3A6;
  --brand-50:#EAF4EF;
  --clay-600:#C8552F;
  --clay-200:#F0D6CB;
  --lime-300:#DFF25A;
  --bg:#F7F3EC;
  --surface:#FFFFFF;
  --surface-2:#F1ECE2;
  --border:#E3DED3;
  --line:#EDE8DD;
  --ink:#14171A;
  --ink-2:#5A625E;
  --ink-3:#8A918C;
  --inverse:#F7F3EC;
  --dark:#10130F;
  --r-lg:32px;
  --r-md:24px;
  --r-img:20px;
  --r-sm:14px;
  --shadow-sm:0 2px 4px rgba(20,23,26,.04),0 18px 40px -24px rgba(20,23,26,.18);
  --shadow-hover:0 6px 12px rgba(20,23,26,.06),0 28px 56px -28px rgba(14,71,50,.28);
  --grad-brand:linear-gradient(120deg,#0E4732 0%,#1C7A57 52%,#4FB68C 100%);
  --grad-warm:linear-gradient(120deg,#C8552F,#E89A4C);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,button,textarea{font-family:inherit}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1024px){.container{padding:0 40px}}
@media (max-width:520px){.container{padding:0 20px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,243,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:0 1px 12px rgba(20,23,26,.08);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:84px;
  transition:height .2s var(--ease);
}
.site-header.is-scrolled .header-inner{height:68px}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--grad-brand);
  color:#fff;
  font-weight:800;
  font-size:17px;
  display:grid;
  place-items:center;
  box-shadow:0 8px 18px -10px rgba(14,71,50,.8);
}
.logo-text{
  display:block;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.2;
  color:var(--ink);
  white-space:nowrap;
}
.logo-sub{
  display:block;
  font-size:11px;
  letter-spacing:.18em;
  color:var(--ink-3);
  line-height:1.4;
}
.nav-tabs{
  display:flex;
  align-items:center;
  gap:4px;
  padding:6px;
  border-radius:999px;
  background:var(--surface-2);
  margin:0 auto;
}
.nav-tab{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 15px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.nav-tab:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-tab.is-active{background:var(--brand-600);color:#fff}
.nav-tab.is-active:hover{background:var(--brand-700);color:#fff}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  border-radius:14px;
  background:#fff;
  cursor:pointer;
  padding:0;
  place-items:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:999px;
  background:var(--brand-900);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-drawer{display:none}
.mobile-drawer a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:52px;
  padding:0 4px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  font-weight:600;
  color:var(--ink);
}
.mobile-drawer a:last-child{border-bottom:0}
.mobile-drawer a::after{content:"→";color:var(--brand-600);font-weight:700}
.mobile-drawer .btn::after{content:""}
.mobile-drawer .drawer-cta{margin:18px 0 6px;border-bottom:0}
.mobile-drawer .drawer-cta::after{content:""}
@media (max-width:1023px){
  .nav-tabs{display:none}
  .nav-toggle{display:grid}
  .mobile-drawer{
    display:none;
    padding:12px 24px 20px;
    background:#fff;
    border-top:1px solid var(--line);
  }
  .mobile-drawer.is-open{display:block}
}
@media (max-width:640px){
  .header-inner{height:72px}
  .site-header.is-scrolled .header-inner{height:64px}
  .site-header .logo-sub{display:none}
  .site-header .logo-text{font-size:16px}
  .header-actions .btn-primary{display:none}
}

/* ---------- buttons / chips ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 28px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  text-align:center;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),filter .18s var(--ease);
}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn-lg{height:56px;padding:0 32px;font-size:16px}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 12px 26px -18px rgba(14,71,50,.9)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:0 18px 32px -18px rgba(14,71,50,.8)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-outline{background:#fff;color:var(--clay-600);border-color:var(--clay-600)}
.btn-outline:hover{background:rgba(240,214,203,.35);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{background:var(--brand-50);transform:translateY(-2px)}
.btn-block{display:flex;width:100%}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--brand-50);
  color:var(--brand-700);
  font-size:12px;
  font-weight:600;
  line-height:1.5;
}
.chip-dot{width:6px;height:6px;border-radius:999px;background:var(--brand-600);display:inline-block}
.badge-lime{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:999px;
  background:var(--lime-300);
  color:#14171A;
  font-size:12px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand-700);
  font-size:14px;
  font-weight:700;
  padding-bottom:2px;
  background-image:linear-gradient(var(--brand-600),var(--brand-600));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 2px;
  transition:background-size .22s var(--ease),color .18s var(--ease);
}
.link-arrow::after{content:"→";transition:transform .18s var(--ease)}
.link-arrow:hover{color:var(--brand-900);background-size:100% 2px}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  padding:40px 0 8px;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  top:-220px;right:-160px;
  width:640px;height:640px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(28,122,87,.10),rgba(28,122,87,0) 68%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-3);transition:color .16s var(--ease)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb span.sep{color:#C4BEB3}
.breadcrumb .current{
  color:var(--ink);
  font-weight:600;
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-title{
  font-size:clamp(28px,3.6vw,44px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.02em;
  max-width:900px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:20px;
  padding-bottom:28px;
  border-bottom:1px solid var(--line);
  font-size:13px;
  font-weight:500;
  color:var(--ink-2);
}
.meta-sep{width:4px;height:4px;border-radius:999px;background:#C7C1B6}
.meta-row .link-arrow{margin-left:auto}

/* ---------- article layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:48px;
  padding-top:32px;
  padding-bottom:96px;
  align-items:start;
}
.article-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  padding:44px 48px 52px;
}
.article-aside{
  position:sticky;
  top:104px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.aside-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--shadow-sm);
}
.aside-card h2{
  font-size:15px;
  font-weight:800;
  letter-spacing:.01em;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.aside-card h2::before{
  content:"";
  width:4px;height:16px;
  border-radius:999px;
  background:var(--brand-600);
}
.aside-list li + li{margin-top:12px}
.aside-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  padding:11px 14px;
  border-radius:var(--r-sm);
  background:var(--surface-2);
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.aside-list a::after{content:"→";color:var(--brand-600);font-weight:700;transition:transform .18s var(--ease)}
.aside-list a:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-1px)}
.aside-list a:hover::after{transform:translateX(3px)}
.aside-note{
  font-size:13px;
  line-height:1.85;
  color:var(--ink-2);
}
.aside-note + .aside-note{margin-top:10px}
.aside-tip{
  background:var(--brand-50);
  border-radius:var(--r-sm);
  padding:14px 16px;
  font-size:13px;
  line-height:1.8;
  color:var(--brand-900);
  margin-top:16px;
}

/* ---------- article body ---------- */
.article-body{
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  word-break:break-word;
}
.article-body > *{margin:0}
.article-body > * + *{margin-top:1.15em}
.article-body p{color:#22272A}
.article-body h2{
  position:relative;
  margin-top:1.9em;
  padding-left:28px;
  font-size:clamp(21px,2.2vw,26px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:20px;height:4px;
  border-radius:999px;
  background:var(--brand-600);
}
.article-body h3{
  margin-top:1.6em;
  font-size:19px;
  font-weight:700;
  line-height:1.45;
}
.article-body h4{
  margin-top:1.4em;
  font-size:16.5px;
  font-weight:700;
}
.article-body a{
  color:var(--brand-700);
  font-weight:600;
  border-bottom:1px solid rgba(28,122,87,.35);
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.article-body a:hover{color:var(--brand-900);border-color:var(--brand-600)}
.article-body strong{font-weight:700;color:var(--brand-900)}
.article-body ul,
.article-body ol{margin-top:1.15em;padding-left:4px}
.article-body ul li,
.article-body ol li{
  position:relative;
  padding-left:22px;
  margin-top:.6em;
  color:#22272A;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:7px;height:7px;
  border-radius:999px;
  background:var(--brand-600);
}
.article-body ol{counter-reset:item}
.article-body ol li{counter-increment:item}
.article-body ol li::before{
  content:counter(item);
  position:absolute;
  left:0;top:.28em;
  width:18px;height:18px;
  border-radius:999px;
  background:var(--brand-50);
  color:var(--brand-700);
  font-size:11px;
  font-weight:800;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin-top:1.6em;
  padding:20px 22px;
  background:var(--brand-50);
  border-left:4px solid var(--clay-600);
  border-radius:var(--r-sm);
  color:var(--brand-900);
  font-size:15.5px;
  line-height:1.8;
}
.article-body blockquote p + p{margin-top:.7em}
.article-body img{
  width:100%;
  border-radius:var(--r-img);
  margin-top:1.6em;
}
.article-body figure{margin-top:1.6em}
.article-body figure img{margin-top:0}
.article-body figcaption{
  margin-top:12px;
  font-size:12.5px;
  color:var(--ink-3);
  text-align:center;
  line-height:1.7;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin-top:1.6em;
  font-size:14.5px;
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  overflow:hidden;
}
.article-body thead{background:var(--surface-2)}
.article-body th,
.article-body td{
  padding:12px 16px;
  text-align:left;
  border-bottom:1px solid var(--line);
  line-height:1.7;
}
.article-body th{font-weight:700;color:var(--brand-900);font-size:13.5px}
.article-body tr:last-child td{border-bottom:0}
.article-body .table-wrap{overflow-x:auto;border-radius:var(--r-sm)}
.article-body hr{
  border:0;
  border-top:1px solid var(--line);
  margin-top:2em;
}
.article-body .tip{
  display:block;
  margin-top:1.6em;
  padding:16px 18px;
  background:var(--brand-50);
  border-radius:var(--r-sm);
  font-size:14.5px;
  color:var(--brand-900);
  line-height:1.8;
}

/* ---------- empty state ---------- */
.empty-state{
  min-height:240px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  padding:40px 24px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
}
.empty-icon{
  width:48px;height:48px;
  border-radius:16px;
  background:var(--brand-50);
  color:var(--brand-600);
  display:grid;
  place-items:center;
  font-size:22px;
  font-weight:800;
}
.empty-state p{font-size:16px;color:var(--ink-2)}

/* ---------- related ---------- */
.related{
  padding-bottom:88px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--brand-700);
  margin-bottom:10px;
}
.section-head .eyebrow::before{
  content:"";
  width:8px;height:8px;
  border-radius:999px;
  background:var(--lime-300);
  box-shadow:0 0 0 4px rgba(223,242,90,.28);
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.rel-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:var(--brand-300);
}
.rel-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.rel-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(16,19,15,0) 40%,rgba(16,19,15,.55) 100%);
}
.rel-thumb .chip{
  position:absolute;
  left:14px;top:14px;
  z-index:2;
  background:rgba(255,255,255,.92);
  color:var(--brand-700);
}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{
  font-size:18px;
  font-weight:700;
  line-height:1.45;
  transition:color .18s var(--ease);
}
.rel-card:hover .rel-body h3{color:var(--brand-700)}
.rel-body p{
  font-size:14px;
  line-height:1.7;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
  font-weight:500;
}
.rel-foot .go{color:var(--brand-700);font-weight:700}
.rel-card:hover .rel-foot .go{color:var(--brand-900)}

/* ---------- cta band ---------- */
.cta-band{padding-bottom:96px}
.cta-inner{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--grad-brand);
  padding:56px 56px;
  color:var(--inverse);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  box-shadow:0 30px 60px -40px rgba(14,71,50,.9);
}
.cta-inner::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-140px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),rgba(255,255,255,0) 70%);
  pointer-events:none;
}
.cta-inner h2{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
  max-width:560px;
}
.cta-inner p{
  margin-top:14px;
  font-size:15px;
  line-height:1.8;
  color:rgba(247,243,236,.82);
  max-width:560px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
.cta-inner .btn-outline{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.cta-inner .btn-outline:hover{background:rgba(255,255,255,.14)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(247,243,236,.82);
  position:relative;
}
.footer-bar{
  height:4px;
  background:var(--grad-brand);
}
.footer-inner{padding:64px 0 32px}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-mark{background:var(--grad-brand);color:#fff}
.footer-brand .logo-text{color:#fff;font-size:19px}
.footer-brand .logo-sub{color:rgba(247,243,236,.55)}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(247,243,236,.72);
  max-width:340px;
}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.footer-badge{
  display:inline-flex;
  align-items:center;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(247,243,236,.1);
  border:1px solid rgba(247,243,236,.16);
  color:rgba(247,243,236,.9);
  font-size:12px;
  font-weight:700;
}
.footer-badge.num{font-variant-numeric:tabular-nums}
.footer-col h4{
  font-size:14px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col li + li{margin-top:10px}
.footer-col a{
  font-size:14px;
  color:rgba(247,243,236,.72);
  transition:color .16s var(--ease),transform .16s var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:var(--brand-300);transform:translateX(2px)}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(247,243,236,.14);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(247,243,236,.6);
}
.footer-bottom .dom{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .article-layout{
    grid-template-columns:minmax(0,1fr);
    gap:32px;
    padding-bottom:72px;
  }
  .article-aside{position:static;order:2}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 36px}
}
@media (max-width:767px){
  .article-hero{padding-top:28px}
  .article-card{padding:26px 22px 32px;border-radius:var(--r-md)}
  .article-body{font-size:15.5px;line-height:1.85}
  .article-body h2{padding-left:24px}
  .article-body h2::before{width:16px}
  .related{padding-bottom:56px}
  .cta-band{padding-bottom:56px}
  .cta-inner{padding:36px 24px;border-radius:var(--r-md)}
  .footer-inner{padding:48px 0 28px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .meta-row .link-arrow{margin-left:0}
}
@media (max-width:640px){
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .cta-actions .btn{width:100%}
}
@media (max-width:420px){
  .logo-text{font-size:15px}
  .article-title{font-size:26px}
}

/* roulang page: category1 */
:root{
  --brand-900:#0E4732;
  --brand-700:#14654A;
  --brand-600:#1C7A57;
  --brand-300:#7FC3A6;
  --brand-50:#EAF4EF;
  --clay-600:#C8552F;
  --clay-200:#F0D6CB;
  --lime-300:#DFF25A;
  --bg:#F7F3EC;
  --surface:#FFFFFF;
  --surface-2:#F1ECE2;
  --line:#E3DED3;
  --divider:#EDE8DD;
  --ink:#14171A;
  --ink-2:#5A625E;
  --ink-3:#8A918C;
  --dark:#10130F;
  --r-xl:32px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-sm:0 2px 4px rgba(20,23,26,.04),0 18px 40px -24px rgba(20,23,26,.18);
  --shadow-md:0 6px 12px rgba(20,23,26,.06),0 28px 56px -28px rgba(14,71,50,.28);
  --grad-brand:linear-gradient(120deg,#0E4732 0%,#1C7A57 52%,#4FB68C 100%);
  --grad-warm:linear-gradient(120deg,#C8552F,#E89A4C);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
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}
h1,h2,h3,h4,p{margin:0}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 40px}}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--brand-300);
  outline-offset:2px;
  border-radius:999px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,236,.94);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
  backdrop-filter:saturate(140%) blur(10px);
}
.site-header.is-scrolled{background:#FFFFFF;box-shadow:0 1px 12px rgba(20,23,26,.08);border-bottom-color:var(--line)}
.header-inner{
  display:flex;align-items:center;gap:14px;
  height:68px;transition:height .2s ease;
}
@media(min-width:1024px){.header-inner{height:84px;gap:18px}}
.site-header.is-scrolled .header-inner{height:68px}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:16px;flex:0 0 auto;
}
.logo-text{display:block;font-size:17px;font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--ink)}
.logo-sub{display:block;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--ink-3)}
@media(min-width:1024px){.logo-text{font-size:19px}}

.nav-tabs{display:none;align-items:center;gap:4px;padding:6px;background:var(--surface-2);border-radius:999px;margin-inline:auto}
@media(min-width:1024px){.nav-tabs{display:flex}}
.nav-tab{
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-tab:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-tab.is-active{background:var(--brand-700);color:#fff;box-shadow:0 8px 16px -10px rgba(14,71,50,.8)}

.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media(min-width:1024px){.header-actions{margin-left:0}}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 11px;border-radius:14px;
  background:var(--surface-2);transition:background .18s ease;
}
.nav-toggle:hover{background:var(--brand-50)}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink)}
@media(min-width:1024px){.nav-toggle{display:none}}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:0 12px 26px -16px rgba(14,71,50,.9)}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-2px);box-shadow:0 18px 32px -18px rgba(14,71,50,.9)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:#fff;border-color:var(--clay-600);color:var(--clay-600)}
.btn-ghost:hover{background:rgba(240,214,203,.35);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);filter:brightness(.97)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-lg{height:56px;padding:0 32px}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{background:var(--brand-50);transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(247,243,236,.5);color:#F7F3EC}
.btn-outline-light:hover{background:rgba(247,243,236,.12);transform:translateY(-2px)}

/* mobile drawer */
.mobile-drawer{
  position:fixed;left:0;right:0;top:68px;bottom:0;z-index:59;
  background:rgba(20,23,26,.42);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  background:var(--bg);padding:16px 20px 26px;
  border-radius:0 0 28px 28px;box-shadow:0 24px 48px -24px rgba(20,23,26,.4);
  transform:translateY(-10px);transition:transform .22s ease;
  max-height:calc(100vh - 68px);overflow:auto;
}
.mobile-drawer.is-open .drawer-panel{transform:translateY(0)}
.drawer-title{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--ink-3);margin-bottom:8px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;font-size:16px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--divider);
}
.drawer-link span{color:var(--ink-3);font-size:14px}
.drawer-link.is-active{color:var(--brand-700)}
.drawer-cta{width:100%;margin-top:18px}
@media(min-width:1024px){.mobile-drawer{display:none}}

/* ---------- hero ---------- */
.cat-hero{position:relative;padding:36px 0 40px;overflow:hidden}
@media(min-width:1024px){.cat-hero{padding:54px 0 56px}}
.cat-hero::after{
  content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(28,122,87,.16),rgba(28,122,87,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:30px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.45fr .55fr;gap:44px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand-600);display:inline-block}
.hero-title{
  margin-top:16px;
  font-size:clamp(30px,4vw,46px);
  font-weight:800;line-height:1.16;letter-spacing:-.02em;
  color:var(--ink);
}
.hero-title em{font-style:normal;color:var(--brand-700)}
.hero-desc{
  margin-top:16px;max-width:60ch;
  font-size:clamp(15px,1.3vw,17px);line-height:1.8;color:var(--ink-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-2);
}
.stat-pill b{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:26px;height:22px;padding:0 7px;border-radius:999px;
  background:var(--lime-300);color:#14171A;font-size:12px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--shadow-md);background:var(--brand-900);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(14,71,50,.66),rgba(28,122,87,.26) 55%,rgba(14,71,50,.78));
}
.hero-media-cap{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#F7F3EC}
.hero-media-cap strong{display:block;font-size:16px;font-weight:700;line-height:1.4}
.hero-media-cap span{display:block;font-size:12.5px;color:rgba(247,243,236,.78);margin-top:4px}

/* live bar */
.live-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  padding:14px 20px;border-radius:999px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  font-size:13.5px;color:var(--ink-2);
}
.live-dot{
  width:9px;height:9px;border-radius:50%;background:var(--brand-600);
  box-shadow:0 0 0 4px rgba(28,122,87,.16);flex:0 0 auto;
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(28,122,87,.16)}50%{box-shadow:0 0 0 7px rgba(28,122,87,.06)}}
.live-bar b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}
.live-bar .text-link{margin-left:auto}

/* text link */
.text-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-700);
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;
  background:var(--brand-600);transition:width .22s ease;
}
.text-link:hover::after{width:100%}
.text-link span{transition:transform .18s ease}
.text-link:hover span{transform:translateX(4px)}

/* chips */
.chip-row{
  display:flex;gap:8px;overflow-x:auto;padding:4px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chip-row::-webkit-scrollbar{display:none}
.chip-nav{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  padding:10px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip-nav:hover{background:var(--brand-50);color:var(--brand-700);border-color:var(--brand-300);transform:translateY(-2px)}
.chip-nav.is-active{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);
  font-size:12px;font-weight:600;line-height:1.7;
}
.chip-clay{background:var(--clay-200);color:#8E3A1C}

/* section */
.section{padding:48px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:14px;margin-bottom:28px;
}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-700);letter-spacing:.04em}
.kicker::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--brand-600)}
.h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.24;letter-spacing:-.01em;margin-top:10px;color:var(--ink)}
.section-lead{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:64ch}

/* timeline */
.timeline{display:flex;flex-direction:column;gap:18px}
.tl-item{display:grid;grid-template-columns:56px 20px minmax(0,1fr);gap:12px;align-items:start}
@media(min-width:768px){.tl-item{grid-template-columns:76px 28px minmax(0,1fr);gap:18px}}
.tl-date{
  text-align:right;padding-top:14px;
  display:flex;flex-direction:column;align-items:flex-end;
}
.tl-day{font-size:26px;font-weight:800;line-height:1;color:var(--ink);letter-spacing:-.02em}
.tl-mon{font-size:12px;font-weight:600;color:var(--ink-3);margin-top:4px;letter-spacing:.04em}
.tl-rail{position:relative;align-self:stretch;display:flex;justify-content:center;padding-top:20px}
.tl-rail::before{
  content:"";position:absolute;top:0;bottom:-18px;left:50%;transform:translateX(-50%);
  width:2px;background:linear-gradient(180deg,var(--line) 0%,var(--line) 70%,rgba(227,222,211,0) 100%);
}
.tl-item:first-child .tl-rail::before{top:16px}
.tl-dot{
  position:relative;z-index:1;width:12px;height:12px;border-radius:50%;
  background:var(--brand-600);box-shadow:0 0 0 4px var(--brand-50);
}
.tl-item:first-child .tl-dot{background:var(--clay-600);box-shadow:0 0 0 4px var(--clay-200)}

.tl-card{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tl-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--brand-50);transition:width .18s ease,background .18s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--brand-300)}
.tl-card:hover::before{width:6px;background:var(--brand-600)}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.tl-card h3{
  font-size:19px;font-weight:700;line-height:1.42;color:var(--ink);
  transition:color .18s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
@media(min-width:768px){.tl-card h3{font-size:21px}}
.tl-card:hover h3{color:var(--brand-700)}
.tl-card h3 a{display:block}
.tl-card p{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tl-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--divider)}
.meta{font-size:13px;font-weight:500;color:var(--ink-3);font-variant-numeric:tabular-nums}

.load-more-wrap{display:flex;justify-content:center;margin-top:34px}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:var(--brand-300);box-shadow:var(--shadow-md)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-700);
  font-size:18px;font-weight:700;line-height:1;
  transition:transform .18s ease,background .18s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--brand-700);color:#fff;transform:rotate(180deg)}
.faq-item .faq-body{
  padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);
  border-left:4px solid transparent;
}
.faq-item[open] .faq-body{border-left-color:var(--brand-600);margin-left:0;padding-left:18px}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-brand);
  border-radius:var(--r-xl);padding:36px 26px;color:#F7F3EC;
  box-shadow:var(--shadow-md);
}
@media(min-width:768px){.cta-band{padding:48px 44px}}
.cta-band::after{
  content:"";position:absolute;right:-100px;bottom:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(223,242,90,.22),rgba(223,242,90,0) 70%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.5fr .9fr}}
.cta-kicker{font-size:12.5px;font-weight:700;letter-spacing:.18em;color:rgba(247,243,236,.72)}
.cta-band h2{margin-top:10px;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:#fff}
.cta-band p.desc{margin-top:12px;font-size:14.5px;line-height:1.8;color:rgba(247,243,236,.84);max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:1024px){.cta-actions{justify-content:flex-end}}

/* footer */
.site-footer{background:var(--dark);color:rgba(247,243,236,.78);position:relative;margin-top:20px}
.footer-bar{height:4px;background:var(--grad-brand)}
.footer-inner{padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.82;color:rgba(247,243,236,.64);max-width:34ch}
.site-footer .logo-text{color:#F7F3EC}
.site-footer .logo-sub{color:rgba(247,243,236,.48)}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-badge{
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(247,243,236,.18);color:rgba(247,243,236,.82);
  font-variant-numeric:tabular-nums;
}
.footer-col h4{font-size:14px;font-weight:700;color:#F7F3EC;margin-bottom:14px;letter-spacing:.02em}
.footer-col li+li{margin-top:10px}
.footer-col a{
  display:inline-block;font-size:14px;color:rgba(247,243,236,.7);
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:var(--brand-300);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  margin-top:42px;padding:20px 0 26px;border-top:1px solid rgba(247,243,236,.12);
  font-size:13px;color:rgba(247,243,236,.55);
}
.footer-bottom .dom{letter-spacing:.06em;font-variant-numeric:tabular-nums}

/* responsive tweaks */
@media(max-width:767px){
  body{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .tl-card{padding:18px}
  .live-bar{border-radius:24px}
  .live-bar .text-link{margin-left:0}
}
@media(max-width:519px){
  .tl-item{grid-template-columns:44px 16px minmax(0,1fr);gap:10px}
  .tl-day{font-size:21px}
  .tl-mon{font-size:11px}
  .hero-title{font-size:clamp(27px,7.6vw,34px)}
}

/* roulang page: category2 */
:root{
  --brand-900:#0E4732;--brand-700:#14654A;--brand-600:#1C7A57;--brand-300:#7FC3A6;--brand-50:#EAF4EF;
  --clay-600:#C8552F;--clay-200:#F0D6CB;
  --lime-300:#DFF25A;
  --bg:#F7F3EC;--surface:#FFFFFF;--surface-2:#F1ECE2;--line:#E3DED3;--divider:#EDE8DD;
  --dark:#10130F;
  --ink:#14171A;--ink-2:#5A625E;--ink-3:#8A918C;--ink-inv:#F7F3EC;
  --r-lg:32px;--r-md:24px;--r-sm:20px;--r-xs:14px;
  --shadow-1:0 2px 4px rgba(20,23,26,.04),0 18px 40px -24px rgba(20,23,26,.18);
  --shadow-2:0 6px 12px rgba(20,23,26,.06),0 28px 56px -28px rgba(14,71,50,.28);
  --grad-brand:linear-gradient(120deg,#0E4732 0%,#1C7A57 52%,#4FB68C 100%);
  --grad-warm:linear-gradient(120deg,#C8552F,#E89A4C);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;padding:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);font-size:16px;line-height:1.78;
  -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;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;border-radius:8px}
::selection{background:var(--brand-300);color:#0E4732}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 40px}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,243,236,.94);border-bottom:1px solid var(--divider);transition:box-shadow .2s ease,background .2s ease}
.site-header.is-scrolled{background:#fff;box-shadow:0 1px 12px rgba(20,23,26,.08)}
.header-inner{display:flex;align-items:center;gap:16px;height:84px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em}
.logo-text{display:block;font-size:18px;font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--brand-900)}
.logo-sub{display:block;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--ink-3);margin-top:2px}
.nav-tabs{display:none;align-items:center;gap:4px;padding:6px;border-radius:999px;background:var(--surface-2);margin:0 auto}
.nav-tab{padding:9px 15px;border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;transition:background .18s ease,color .18s ease}
.nav-tab:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-tab.is-active{background:var(--brand-700);color:#fff;box-shadow:0 8px 18px -12px rgba(14,71,50,.9)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media(min-width:1024px){.nav-tabs{display:flex}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:700;border:1.5px solid transparent;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,filter .18s ease}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:0 12px 26px -18px rgba(14,71,50,.95)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:#fff;border-color:var(--clay-600);color:var(--clay-600)}
.btn-ghost:hover{background:rgba(240,214,203,.32);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);filter:brightness(.97)}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand-700);position:relative;padding-bottom:3px}
.link-arrow::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand-700);transition:width .22s ease}
.link-arrow:hover::after{width:100%}
.link-arrow span.ar{transition:transform .18s ease;display:inline-block}
.link-arrow:hover span.ar{transform:translateX(4px)}

/* ---------- Mobile menu ---------- */
.nav-toggle{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:44px;height:44px;border-radius:var(--r-xs);border:1px solid var(--line);background:#fff}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
@media(min-width:1024px){.nav-toggle{display:none}}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--divider);padding-bottom:20px}
.mobile-menu.is-open{display:block}
.mobile-link{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;font-size:15px;font-weight:600;border-bottom:1px solid var(--divider);color:var(--ink);transition:background .18s ease,color .18s ease}
.mobile-link::after{content:"→";color:var(--ink-3);font-weight:700}
.mobile-link:hover{background:var(--brand-50);color:var(--brand-700)}
.mobile-link.is-active{color:var(--brand-700)}
.mobile-cta{padding:18px 20px 0}
@media(min-width:1024px){.mobile-menu{display:none!important}}

/* ---------- Breadcrumb ---------- */
.crumbs{padding-top:20px;font-size:13px;color:var(--ink-3)}
.crumbs a{transition:color .18s ease}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{margin:0 8px;color:#C9C3B6}
.crumbs .cur{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{position:relative;padding:26px 0 44px;overflow:hidden}
.hero::before{content:"";position:absolute;left:-10%;right:-10%;top:-30%;height:560px;background:radial-gradient(620px 320px at 22% 34%,rgba(28,122,87,.10),transparent 72%);pointer-events:none}
.hero-grid{position:relative;display:grid;gap:32px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--brand-50);color:var(--brand-700);font-size:13px;font-weight:700}
.eyebrow i{display:block;width:6px;height:6px;border-radius:50%;background:var(--lime-300);box-shadow:0 0 0 3px rgba(223,242,90,.35)}
.hero-title{margin-top:18px;font-size:clamp(30px,4.4vw,52px);line-height:1.14;letter-spacing:-.02em;font-weight:800;color:var(--ink)}
.hero-title em{font-style:normal;color:var(--brand-700)}
.hero-lead{margin-top:16px;max-width:36em;font-size:clamp(15.5px,1.3vw,18px);line-height:1.75;color:var(--ink-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px 7px 7px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink-2)}
.badge b{display:inline-flex;align-items:center;padding:2px 9px;border-radius:999px;background:var(--lime-300);color:#14171A;font-size:12.5px;font-weight:800;font-variant-numeric:tabular-nums}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);aspect-ratio:5/4}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(120deg,rgba(14,71,50,.70),rgba(28,122,87,.48) 55%,rgba(79,182,140,.30))}
.hero-visual .vs-chip{position:absolute;z-index:2;left:18px;top:18px;padding:6px 14px;border-radius:999px;background:rgba(247,243,236,.92);color:var(--brand-900);font-size:12.5px;font-weight:700}
.hero-float{position:absolute;z-index:2;left:16px;right:16px;bottom:16px;max-width:270px;background:#fff;border-radius:var(--r-sm);padding:6px;box-shadow:0 20px 44px -26px rgba(20,23,26,.6)}
.hero-float img{border-radius:16px;width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-float figcaption{padding:10px 8px 6px;font-size:12.5px;line-height:1.6;color:var(--ink-2)}
.hero-float figcaption b{display:inline-block;padding:1px 8px;margin-right:6px;border-radius:999px;background:var(--clay-200);color:#8F3A1D;font-size:11.5px;font-weight:800}

/* ---------- Sections ---------- */
.section{padding:48px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-700)}
.kicker::before{content:"";display:block;width:6px;height:14px;border-radius:3px;background:var(--grad-brand)}
.h2{margin-top:10px;font-size:clamp(24px,3vw,36px);line-height:1.24;letter-spacing:-.01em;font-weight:700;color:var(--ink)}
.section-desc{margin-top:10px;max-width:34em;font-size:15.5px;color:var(--ink-2)}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600}
.chip-clay{background:var(--clay-200);color:#8F3A1D}
.chip-dark{background:rgba(16,19,15,.06);color:var(--ink-2)}

/* ---------- Cover card ---------- */
.cover-card{display:grid;border-radius:var(--r-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.cover-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.cover-card:hover h3{color:var(--brand-700)}
@media(min-width:1024px){.cover-card{grid-template-columns:1.05fr 1fr;min-height:400px}}
.cover-media{position:relative;min-height:240px}
.cover-media img{width:100%;height:100%;object-fit:cover}
.cover-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,71,50,.04),rgba(14,71,50,.44))}
.cover-tag{position:absolute;z-index:2;left:16px;top:16px;padding:5px 12px;border-radius:8px;background:var(--grad-warm);color:#fff;font-size:12px;font-weight:800;letter-spacing:.04em}
.cover-body{padding:26px}
@media(min-width:768px){.cover-body{padding:36px}}
.cover-body h3{margin-top:14px;font-size:clamp(21px,2.2vw,28px);line-height:1.34;font-weight:700;transition:color .18s ease}
.cover-body p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.meta .dot{width:4px;height:4px;border-radius:50%;background:#C9C3B6}

/* ---------- Tile grid ---------- */
.tile-grid{display:grid;gap:24px}
@media(min-width:768px){.tile-grid{grid-template-columns:repeat(2,1fr)}}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;display:flex;flex-direction:column}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.tile-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.tile-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.tile:hover .tile-media img{transform:scale(1.04)}
.tile-media .tile-chip{position:absolute;left:14px;top:14px;z-index:2}
.tile-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,71,50,.02),rgba(14,71,50,.28))}
.tile-body{padding:22px;display:flex;flex-direction:column;flex:1}
.tile-body h3{font-size:20px;line-height:1.42;font-weight:700;transition:color .18s ease}
.tile:hover .tile-body h3{color:var(--brand-700)}
.tile-body p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tile-body .meta{margin-top:auto;padding-top:18px}

/* ---------- Editor pick ---------- */
.editor-pick{display:grid;border-radius:var(--r-lg);overflow:hidden;background:var(--brand-50);border:1px solid #D9E9E1;box-shadow:var(--shadow-1)}
@media(min-width:900px){.editor-pick{grid-template-columns:.92fr 1.08fr}}
.ep-media{position:relative;min-height:220px}
.ep-media img{width:100%;height:100%;object-fit:cover}
.ep-media::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,71,50,.42),rgba(28,122,87,.10))}
.ep-body{padding:26px}
@media(min-width:768px){.ep-body{padding:38px}}
.ep-body h3{margin-top:12px;font-size:clamp(20px,2.1vw,27px);line-height:1.36;font-weight:700}
.ep-body p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.ep-list{margin-top:18px;display:grid;gap:10px}
.ep-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7}
.ep-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--brand-600);margin-top:9px}
.ep-body .link-arrow{margin-top:20px}

/* ---------- Steps ---------- */
.steps{display:grid;gap:20px}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.step-num{width:40px;height:40px;border-radius:50%;background:var(--brand-50);color:var(--brand-700);display:grid;place-items:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums}
.step h3{margin-top:16px;font-size:19px;font-weight:700;line-height:1.44}
.step p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2)}

/* ---------- CTA band ---------- */
.cta-wrap{position:relative;padding:8px 0 12px}
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--dark);padding:28px}
@media(min-width:768px){.cta-band{padding:44px}}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(560px 280px at 88% 0%,rgba(79,182,140,.30),transparent 70%),linear-gradient(120deg,rgba(14,71,50,.85),rgba(16,19,15,0) 62%)}
.cta-inner{position:relative;display:grid;gap:26px;align-items:center}
@media(min-width:1024px){.cta-inner{grid-template-columns:1fr 1fr;gap:44px}}
.cta-copy h2{font-size:clamp(24px,2.8vw,34px);line-height:1.28;font-weight:700;color:#fff}
.cta-copy p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(247,243,236,.78);max-width:32em}
.cta-copy .cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cta-badges .badge{background:rgba(247,243,236,.10);border-color:rgba(247,243,236,.20);color:rgba(247,243,236,.88)}
.cta-badges .badge b{background:var(--lime-300);color:#14171A}
.cta-panel{background:#fff;border-radius:var(--r-md);padding:24px}
@media(min-width:768px){.cta-panel{padding:30px}}
.cta-panel h3{font-size:19px;font-weight:700;line-height:1.4}
.cta-panel .hint{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--ink-2)}
.field{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.input{flex:1 1 190px;height:52px;padding:0 16px;border-radius:var(--r-xs);border:1px solid var(--line);background:#fff;font-size:15px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease}
.input::placeholder{color:var(--ink-3)}
.input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(127,195,166,.35)}
.form-note{margin-top:12px;font-size:12.5px;line-height:1.7;color:var(--ink-3)}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(247,243,236,.82);margin-top:56px}
.footer-bar{height:4px;background:var(--grad-brand)}
.footer-inner{padding:52px 0 26px}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-sub{color:rgba(247,243,236,.55)}
.footer-brand p{margin-top:16px;max-width:26em;font-size:14px;line-height:1.8;color:rgba(247,243,236,.70)}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-badge{padding:5px 12px;border-radius:999px;border:1px solid rgba(247,243,236,.18);font-size:12px;font-weight:600;color:rgba(247,243,236,.80)}
.footer-col h4{margin-bottom:14px;font-size:14px;font-weight:700;color:#fff}
.footer-col li+li{margin-top:10px}
.footer-col a{display:inline-block;font-size:14px;color:rgba(247,243,236,.72);transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--brand-300);transform:translateX(2px)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(247,243,236,.12);font-size:13px;color:rgba(247,243,236,.60)}
.footer-bottom .dom{font-variant-numeric:tabular-nums;letter-spacing:.02em}
@media(max-width:767px){
  .hero-float{max-width:none;left:14px;right:14px;bottom:14px}
  html body{font-size:15.5px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
:root{
  --brand-900:#0E4732;
  --brand-700:#14654A;
  --brand-600:#1C7A57;
  --brand-300:#7FC3A6;
  --brand-50:#EAF4EF;
  --clay-600:#C8552F;
  --clay-200:#F0D6CB;
  --lime-300:#DFF25A;
  --bg:#F7F3EC;
  --surface:#FFFFFF;
  --surface-2:#F1ECE2;
  --line:#E3DED3;
  --divider:#EDE8DD;
  --ink:#14171A;
  --ink-2:#5A625E;
  --ink-3:#8A918C;
  --paper:#F7F3EC;
  --dark:#10130F;
  --radius-lg:32px;
  --radius-md:24px;
  --radius-sm:20px;
  --radius-xs:14px;
  --shadow-rest:0 2px 4px rgba(20,23,26,.04),0 18px 40px -24px rgba(20,23,26,.18);
  --shadow-hover:0 6px 12px rgba(20,23,26,.06),0 28px 56px -28px rgba(14,71,50,.28);
  --grad-brand:linear-gradient(120deg,#0E4732 0%,#1C7A57 52%,#4FB68C 100%);
  --grad-warm:linear-gradient(120deg,#C8552F,#E89A4C);
  --container-w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,transform .18s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container-w);margin:0 auto;padding:0 40px}
.section{padding:96px 0}
.section--tight{padding:72px 0}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,243,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.97);
  box-shadow:0 1px 12px rgba(20,23,26,.08);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:84px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:36px;height:36px;border-radius:12px;flex:none;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:17px;
  display:grid;place-items:center;
  letter-spacing:0;
}
.logo-text{
  display:block;font-size:18px;font-weight:800;line-height:1.2;
  letter-spacing:-.01em;color:var(--ink);
}
.logo-sub{
  display:block;font-size:11px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-700);line-height:1.5;
}
.nav-tabs{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;
  background:var(--surface-2);
  border-radius:999px;
  padding:6px;
}
.nav-tab{
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-tab:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-tab.is-active{
  background:var(--brand-700);color:#fff;
  box-shadow:0 10px 22px -14px rgba(14,71,50,.9);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:0 14px 30px -18px rgba(14,71,50,.95)}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-outline{background:#fff;color:var(--clay-600);border:1.5px solid var(--clay-600)}
.btn-outline:hover{background:rgba(240,214,203,.32);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0);filter:brightness(.97)}
.btn-light{background:#fff;color:var(--brand-900)}
.btn-light:hover{background:var(--brand-50);transform:translateY(-2px)}
.btn-light:active{transform:translateY(0);filter:brightness(.97)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-700);
  position:relative;
}
.text-link .arw{transition:transform .18s ease}
.text-link:hover{color:var(--brand-900)}
.text-link:hover .arw{transform:translateX(4px)}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;
  background:var(--brand-600);transition:width .22s ease;
}
.text-link:hover::after{width:100%}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color .18s ease,background .18s ease;
}
.nav-toggle:hover{border-color:var(--brand-300);background:var(--brand-50)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-drawer.is-open{display:block}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 24px;font-size:15px;font-weight:600;
  color:var(--ink-2);border-bottom:1px solid var(--divider);
}
.drawer-link:hover{background:var(--brand-50);color:var(--brand-700)}
.drawer-link.is-active{color:var(--brand-700)}
.drawer-link .arw{color:var(--ink-3);font-size:13px}
.drawer-cta{padding:16px 20px 22px}
.drawer-cta .btn{width:100%}

/* ---------- Breadcrumbs ---------- */
.crumbs{font-size:13px;color:var(--ink-3);padding-top:22px}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{margin:0 8px;color:#C9C2B4}
.crumbs .current{color:var(--ink)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:44px 0 64px;
  background:linear-gradient(180deg,#F7F3EC 0%,#F1ECE2 100%);
  text-align:center;
}
.page-hero::before{
  content:"";
  position:absolute;left:50%;top:-400px;width:760px;height:760px;
  transform:translateX(-50%);
  background:radial-gradient(circle,rgba(28,122,87,.10) 0%,rgba(28,122,87,0) 66%);
  pointer-events:none;
}
.hero-center{position:relative;max-width:860px;margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-50);color:var(--brand-700);
  font-size:13px;font-weight:700;
  padding:7px 16px;border-radius:999px;
  border:1px solid rgba(28,122,87,.16);
}
.hero-title{
  font-size:clamp(32px,4.4vw,52px);
  font-weight:800;line-height:1.14;letter-spacing:-.02em;
  margin:22px 0 18px;color:var(--ink);
}
.hero-lead{
  font-size:clamp(15.5px,1.3vw,18px);
  line-height:1.78;color:var(--ink-2);
  max-width:700px;margin:0 auto;
}
.badge-row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px}
.stat-pill{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 18px 7px 7px;font-size:13.5px;font-weight:600;color:var(--ink-2);
  box-shadow:var(--shadow-rest);
}
.stat-pill .num{
  background:var(--lime-300);color:#14171A;font-weight:800;
  border-radius:999px;padding:4px 12px;font-size:13px;
  font-variant-numeric:tabular-nums;
}

/* ---------- Section head ---------- */
.section-head{margin-bottom:40px;max-width:760px}
.section-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand-700);
}
.section-kicker::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--brand-600);
}
.section-title{
  font-size:clamp(26px,3vw,38px);
  font-weight:700;line-height:1.22;letter-spacing:-.01em;
  margin-top:14px;color:var(--ink);
}
.section-desc{margin-top:14px;font-size:15.5px;line-height:1.78;color:var(--ink-2);max-width:660px}

/* ---------- Rules layout ---------- */
.rules-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start}
.rules-toc{
  position:sticky;top:100px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px 20px;
  box-shadow:var(--shadow-rest);
}
.toc-title{
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--ink-3);margin-bottom:14px;
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-link{
  display:block;
  padding:9px 12px;border-radius:12px;
  font-size:14px;color:var(--ink-2);
  border-left:3px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc-link:hover{background:var(--brand-50);color:var(--brand-700);border-left-color:var(--brand-600)}
.toc-link:active{background:var(--brand-50)}
.toc-note{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--divider);
  font-size:12.5px;line-height:1.7;color:var(--ink-3);
}
.rules-content{min-width:0}
.rule-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.rule-card{
  position:relative;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:28px 26px 26px;
  box-shadow:var(--shadow-rest);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rule-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:var(--brand-300);
}
.rule-num{
  width:40px;height:40px;border-radius:999px;
  display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-700);
  border:1px solid rgba(28,122,87,.18);
  font-size:15px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.rule-card h3{font-size:21px;font-weight:700;line-height:1.4;margin:16px 0 10px;color:var(--ink)}
.rule-card p{font-size:15px;line-height:1.78;color:var(--ink-2);margin-bottom:12px}
.rule-card p:last-of-type{margin-bottom:16px}
.rule-key{
  display:flex;gap:8px;align-items:flex-start;
  background:var(--brand-50);
  border-radius:16px;
  padding:10px 16px;
  font-size:13.5px;font-weight:600;line-height:1.65;
  color:var(--brand-900);
}
.rule-key .dot{
  flex:none;width:6px;height:6px;border-radius:999px;
  background:var(--clay-600);margin-top:8px;
}

/* ---------- Misread ---------- */
.misread{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-rest);
}
.misread-row{
  display:grid;grid-template-columns:1fr 1fr;
  padding:24px 28px;
  border-bottom:1px solid var(--divider);
  transition:background .18s ease;
}
.misread-row:last-child{border-bottom:0}
.misread-row:hover{background:#FCFAF6}
.misread-wrong{font-size:15px;line-height:1.75;color:var(--ink-3);padding-right:26px}
.misread-right{
  font-size:15px;line-height:1.75;color:var(--ink);
  border-left:1px solid var(--divider);padding-left:26px;
}
.mini-tag{
  display:inline-block;font-size:12px;font-weight:700;
  border-radius:8px;padding:2px 10px;margin-bottom:8px;
}
.mini-tag.wrong{background:var(--surface-2);color:var(--ink-3)}
.mini-tag.right{background:var(--brand-50);color:var(--brand-700)}

/* ---------- Feature strip ---------- */
.feature-strip{
  display:grid;grid-template-columns:5fr 7fr;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-rest);
}
.feature-media{position:relative;min-height:320px}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(14,71,50,.34),rgba(14,71,50,.05) 62%);
}
.feature-body{padding:44px 44px 40px}
.feature-body h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.28;margin:16px 0 14px}
.feature-body p{font-size:15.5px;line-height:1.8;color:var(--ink-2);margin-bottom:18px}
.check-list{display:flex;flex-direction:column;gap:10px}
.check-list li{
  position:relative;padding-left:22px;
  font-size:15px;line-height:1.7;color:var(--ink-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:999px;background:var(--brand-600);
}

/* ---------- Link cards ---------- */
.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.link-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-rest);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.link-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-300)}
.link-media{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--radius-md) var(--radius-md) 0 0}
.link-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.link-card:hover .link-media img{transform:scale(1.04)}
.link-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,19,15,.06),rgba(16,19,15,.42));
}
.link-media .chip{
  position:absolute;left:14px;top:14px;z-index:2;
  background:var(--brand-50);color:var(--brand-700);
  font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:999px;
}
.link-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.link-body h3{font-size:20px;font-weight:700;line-height:1.4;transition:color .18s ease}
.link-card:hover .link-body h3{color:var(--brand-700)}
.link-body p{font-size:14px;line-height:1.7;color:var(--ink-2);flex:1}
.link-body .text-link{margin-top:2px}

/* ---------- QA ---------- */
.qa-wrap{max-width:880px;margin:0 auto}
.qa-list{display:flex;flex-direction:column;gap:16px}
.qa-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px 28px 26px;
  box-shadow:var(--shadow-rest);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.qa-item:hover{border-color:var(--brand-300);box-shadow:var(--shadow-hover)}
.qa-item h3{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--ink);
  display:flex;gap:10px;align-items:flex-start;
}
.qa-item h3::before{
  content:"问";flex:none;
  width:24px;height:24px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);
  font-size:12px;font-weight:800;
  display:grid;place-items:center;margin-top:2px;
}
.qa-item p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-2);padding-left:34px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-brand);
  border-radius:var(--radius-lg);
  padding:52px 48px;
  display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center;
  color:var(--paper);
  box-shadow:0 30px 60px -40px rgba(14,71,50,.9);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-140px;
  width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(223,242,90,.16),rgba(223,242,90,0) 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.28;margin-bottom:12px}
.cta-band p{font-size:15.5px;line-height:1.78;color:rgba(247,243,236,.86);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(247,243,236,.78);margin-top:96px}
.footer-bar{height:4px;background:var(--grad-brand)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;padding:64px 0 48px;
}
.footer-brand .logo-text{color:var(--paper)}
.footer-brand .logo-sub{color:var(--brand-300)}
.footer-brand p{
  font-size:14px;line-height:1.8;color:rgba(247,243,236,.68);
  max-width:330px;margin:18px 0 20px;
}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badge{
  font-size:12px;font-weight:700;border-radius:999px;
  padding:5px 12px;
  background:rgba(127,195,166,.14);
  color:var(--brand-300);
  border:1px solid rgba(127,195,166,.24);
  font-variant-numeric:tabular-nums;
}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  display:inline-block;font-size:14px;
  color:rgba(247,243,236,.7);
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:var(--brand-300);transform:translateX(2px)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  border-top:1px solid rgba(247,243,236,.12);
  padding:20px 0 30px;
  font-size:13px;color:rgba(247,243,236,.6);
}
.footer-bottom .dom{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .nav-tab{padding:9px 13px;font-size:13.5px}
  .rules-layout{grid-template-columns:220px minmax(0,1fr);gap:36px}
}
@media (max-width:1119px){
  .nav-tabs{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .header-inner{height:74px}
  .rules-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .rules-toc{position:static;padding:14px;border-radius:var(--radius-sm)}
  .toc-title{display:none}
  .toc-list{
    flex-direction:row;overflow-x:auto;gap:8px;
    -ms-overflow-style:none;scrollbar-width:none;
    padding-bottom:2px;
  }
  .toc-list::-webkit-scrollbar{display:none}
  .toc-link{
    white-space:nowrap;border-left:0;
    background:var(--surface-2);border-radius:999px;
    padding:8px 16px;font-size:13.5px;font-weight:600;
  }
  .toc-link:hover{background:var(--brand-50)}
  .toc-note{display:none}
  .rule-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-strip{grid-template-columns:1fr}
  .feature-media{min-height:0}
  .feature-media img{aspect-ratio:16/9}
  .feature-body{padding:32px 28px 34px}
  .link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;text-align:left}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  body{font-size:15.5px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .header-inner{height:68px}
  .site-header.is-scrolled .header-inner{height:64px}
  .logo-text{font-size:16px}
  .logo-sub{font-size:10px;letter-spacing:.12em}
  .page-hero{padding:32px 0 44px}
  .hero-title{margin:18px 0 14px}
  .badge-row{gap:8px;margin-top:24px}
  .stat-pill{font-size:12.5px;padding:6px 14px 6px 6px}
  .stat-pill .num{font-size:12px;padding:3px 10px}
  .section-head{margin-bottom:28px}
  .rule-grid{grid-template-columns:1fr;gap:16px}
  .rule-card{padding:24px 20px 22px}
  .rule-card h3{font-size:19px}
  .misread-row{grid-template-columns:1fr;padding:20px}
  .misread-wrong{padding-right:0;padding-bottom:16px;margin-bottom:16px;border-bottom:1px dashed var(--divider)}
  .misread-right{border-left:0;padding-left:0}
  .link-grid{grid-template-columns:1fr;gap:16px}
  .qa-item{padding:20px}
  .qa-item p{padding-left:0}
  .cta-band{padding:32px 22px;border-radius:var(--radius-md)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px}
  .footer-bottom{font-size:12.5px;flex-direction:column;gap:6px}
  .site-footer{margin-top:56px}
  .feature-body{padding:26px 20px 28px}
}
@media (max-width:519px){
  .header-actions .btn-sm{padding:0 14px;font-size:13px;height:40px}
  .badge-row{justify-content:center}
}

/* roulang page: category4 */
:root{
  --brand-900:#0E4732;
  --brand-700:#14654A;
  --brand-600:#1C7A57;
  --brand-300:#7FC3A6;
  --brand-50:#EAF4EF;
  --clay-600:#C8552F;
  --clay-200:#F0D6CB;
  --lime-300:#DFF25A;
  --bg:#F7F3EC;
  --surface:#FFFFFF;
  --surface-2:#F1ECE2;
  --line:#E3DED3;
  --rule:#EDE8DD;
  --ink:#14171A;
  --ink-2:#5A625E;
  --ink-3:#8A918C;
  --ink-inv:#F7F3EC;
  --dark:#10130F;
  --r-lg:32px;
  --r-md:24px;
  --r-sm:20px;
  --r-xs:14px;
  --shadow-1:0 2px 4px rgba(20,23,26,.04),0 18px 40px -24px rgba(20,23,26,.18);
  --shadow-2:0 6px 12px rgba(20,23,26,.06),0 28px 56px -28px rgba(14,71,50,.28);
  --grad-brand:linear-gradient(120deg,#0E4732 0%,#1C7A57 52%,#4FB68C 100%);
  --grad-warm:linear-gradient(120deg,#C8552F,#E89A4C);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 40px;}}
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:72px 0;}}
@media(min-width:1024px){.section{padding:96px 0;}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,243,236,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:0 1px 12px rgba(20,23,26,.08);
  border-bottom-color:var(--rule);
}
.header-inner{display:flex;align-items:center;gap:16px;height:76px;transition:height .2s ease;}
@media(min-width:1024px){.header-inner{height:84px;}.site-header.is-scrolled .header-inner{height:68px;}}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:17px;flex:0 0 auto;
  box-shadow:0 8px 18px -12px rgba(14,71,50,.9);
}
.logo-copy{display:block;min-width:0;}
.logo-text{display:block;font-size:17px;font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.logo-sub{display:block;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--ink-3);}
@media(min-width:1024px){.logo-text{font-size:19px;}}
.nav-tabs{display:none;align-items:center;gap:4px;background:var(--surface-2);border-radius:999px;padding:6px;margin-left:auto;}
@media(min-width:1024px){.nav-tabs{display:flex;}}
.nav-tab{
  display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-tab:hover{background:var(--brand-50);color:var(--brand-700);}
.nav-tab:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;}
.nav-tab.is-active{background:var(--brand-600);color:#fff;box-shadow:0 8px 18px -12px rgba(14,71,50,.9);}
.nav-tab.is-active:hover{background:var(--brand-700);color:#fff;}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
@media(min-width:1024px){.header-actions{margin-left:0;}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 12px 26px -16px rgba(14,71,50,.95);}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-primary:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;}
.btn-ghost{background:#fff;border-color:var(--clay-600);color:var(--clay-600);}
.btn-ghost:hover{background:rgba(240,214,203,.32);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:2px solid var(--clay-200);outline-offset:2px;}
.btn-light{background:#fff;color:var(--brand-700);}
.btn-light:hover{background:var(--brand-50);transform:translateY(-2px);}
.btn-light:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;}
.btn-outline-light{background:transparent;border-color:rgba(247,243,236,.42);color:var(--ink-inv);}
.btn-outline-light:hover{background:rgba(247,243,236,.12);transform:translateY(-2px);}
.btn-outline-light:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.header-actions .btn-sm{display:none;}
@media(min-width:640px){.header-actions .btn-sm{display:inline-flex;}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:14px;background:var(--surface-2);color:var(--brand-900);
  transition:background .18s ease;
}
.nav-toggle:hover{background:var(--brand-50);}
.nav-toggle:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;}
@media(min-width:1024px){.nav-toggle{display:none;}}
.nav-toggle svg{width:20px;height:20px;}
.mobile-menu{display:none;border-top:1px solid var(--rule);background:#fff;}
.mobile-menu.is-open{display:block;}
.mobile-menu ul{padding:6px 20px 20px;}
.mobile-menu .m-item{
  display:flex;align-items:center;justify-content:space-between;height:52px;
  font-size:15px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--rule);
}
.mobile-menu .m-item:hover{color:var(--brand-700);}
.mobile-menu .m-item.is-active{color:var(--brand-700);}
.mobile-menu .m-item span{color:var(--ink-3);font-size:16px;}
.mobile-menu .m-cta{margin-top:16px;width:100%;}
@media(min-width:1024px){.mobile-menu{display:none !important;}}

/* ============ hero ============ */
.hero-dark{position:relative;overflow:hidden;background:var(--dark);color:var(--ink-inv);padding:48px 0 96px;}
@media(min-width:768px){.hero-dark{padding:64px 0 104px;}}
@media(min-width:1024px){.hero-dark{padding:76px 0 112px;}}
.hero-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(58% 68% at 84% 4%,rgba(79,182,140,.30),transparent 62%),
    radial-gradient(48% 58% at 4% 96%,rgba(200,85,47,.20),transparent 64%);
}
.hero-dark::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(247,243,236,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(247,243,236,.045) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
}
.hero-dark .container{position:relative;z-index:1;}
.hero-grid{display:grid;gap:36px;}
@media(min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:center;}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--brand-700);}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--brand-600);}
.eyebrow-dark{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(223,242,90,.13);border:1px solid rgba(223,242,90,.34);
  color:var(--lime-300);font-size:12px;font-weight:700;letter-spacing:.08em;
}
.hero-title{
  margin-top:18px;font-size:clamp(32px,4.4vw,54px);font-weight:800;line-height:1.12;
  letter-spacing:-.02em;color:var(--ink-inv);
}
.hero-title em{font-style:normal;color:var(--brand-300);}
.hero-lead{margin-top:18px;font-size:clamp(16px,1.3vw,18px);line-height:1.72;color:rgba(247,243,236,.76);max-width:620px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 6px;border-radius:999px;
  background:rgba(247,243,236,.07);border:1px solid rgba(247,243,236,.16);
  font-size:13px;color:rgba(247,243,236,.86);
}
.hero-badge b{
  display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:24px;padding:0 8px;
  border-radius:999px;background:var(--lime-300);color:#14171A;font-size:12px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-panel{
  background:rgba(247,243,236,.06);border:1px solid rgba(247,243,236,.16);
  border-radius:var(--r-md);padding:12px;
}
.hero-panel-media{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:16/10;}
.hero-panel-media img{width:100%;height:100%;object-fit:cover;}
.hero-panel-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(158deg,rgba(14,71,50,.62),rgba(16,19,15,.18));
}
.hero-panel-body{padding:14px 8px 6px;}
.mini-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;
  letter-spacing:.08em;color:var(--lime-300);
}
.mini-badge i{width:6px;height:6px;border-radius:999px;background:var(--lime-300);display:inline-block;}
.hero-panel-title{margin-top:8px;font-size:16px;font-weight:700;color:var(--ink-inv);}
.hero-panel-meta{margin-top:4px;font-size:13px;color:rgba(247,243,236,.62);font-variant-numeric:tabular-nums;}

/* ============ stat cards ============ */
.stat-wrap{position:relative;z-index:3;margin-top:-52px;}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
@media(min-width:768px){.stat-grid{gap:20px;}}
@media(min-width:1024px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}}
.stat-card{
  position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:24px 22px 22px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:var(--grad-brand);}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-300);}
.stat-label-top{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);}
.stat-num{margin-top:10px;font-size:clamp(28px,3vw,38px);font-weight:800;line-height:1.08;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.stat-num small{font-size:14px;font-weight:700;color:var(--ink-3);margin-left:4px;letter-spacing:0;}
.stat-desc{margin-top:8px;font-size:13px;line-height:1.65;color:var(--ink-2);}
.stat-bar{margin-top:16px;height:6px;border-radius:999px;background:var(--surface-2);overflow:hidden;}
.stat-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#DFF25A,#7FC3A6);}

/* ============ section head ============ */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-title{margin-top:10px;font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.22;letter-spacing:-.01em;}
.section-sub{margin-top:10px;font-size:15px;line-height:1.72;color:var(--ink-2);max-width:640px;}
.textlink{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand-700);
  position:relative;padding-bottom:2px;
}
.textlink::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand-600);transition:width .18s ease;}
.textlink:hover::after{width:100%;}
.textlink:hover .arrow{transform:translateX(4px);}
.textlink:focus-visible{outline:2px solid var(--brand-300);outline-offset:4px;border-radius:4px;}
.arrow{transition:transform .18s ease;display:inline-block;}

/* ============ metric groups ============ */
.metric-grid{display:grid;gap:20px;grid-template-columns:minmax(0,1fr);}
@media(min-width:768px){.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.metric-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
.metric-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-300);}
.metric-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--rule);}
.metric-head h3{font-size:19px;font-weight:700;line-height:1.4;}
.chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;white-space:nowrap;
}
.chip-clay{background:rgba(200,85,47,.10);color:var(--clay-600);}
.metric-rows{padding-top:6px;}
.metric-row{
  display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center;
  padding:13px 0;border-bottom:1px solid var(--rule);
}
.metric-row:last-child{border-bottom:0;padding-bottom:2px;}
.metric-name{font-size:14px;color:var(--ink-2);}
.metric-val{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.delta{
  min-width:56px;text-align:center;font-size:12px;font-weight:800;padding:2px 8px;border-radius:999px;
  font-variant-numeric:tabular-nums;
}
.delta.up{background:var(--brand-50);color:var(--brand-700);}
.delta.down{background:rgba(200,85,47,.12);color:var(--clay-600);}

/* ============ note ============ */
.note-block{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--brand-50);border:1px solid rgba(28,122,87,.18);border-radius:16px;
  padding:22px 24px;
}
.note-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--brand-600);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;
}
.note-title{font-size:16px;font-weight:700;color:var(--brand-900);}
.note-text{margin-top:6px;font-size:14px;line-height:1.78;color:#2F4A3D;}

/* ============ horizontal cards ============ */
.h-grid{display:grid;gap:20px;grid-template-columns:minmax(0,1fr);}
@media(min-width:1024px){.h-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}}
.h-card{
  display:grid;grid-template-columns:104px minmax(0,1fr);gap:18px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
@media(min-width:520px){.h-card{grid-template-columns:132px minmax(0,1fr);gap:22px;padding:18px;}}
.h-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-300);}
.h-card:hover .h-title{color:var(--brand-700);}
.h-thumb{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:1/1;}
.h-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.h-card:hover .h-thumb img{transform:scale(1.05);}
.h-title{font-size:18px;font-weight:700;line-height:1.42;color:var(--ink);transition:color .18s ease;}
.h-desc{margin-top:8px;font-size:14px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.h-meta{margin-top:12px;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums;}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--grad-brand);color:#fff;padding:40px 28px;}
@media(min-width:768px){.cta-band{padding:52px 48px;}}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 120% at 92% 12%,rgba(223,242,90,.22),transparent 62%);
}
.cta-inner{position:relative;z-index:1;display:grid;gap:24px;align-items:center;}
@media(min-width:1024px){.cta-inner{grid-template-columns:minmax(0,1fr) auto;gap:40px;}}
.cta-title{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.25;letter-spacing:-.01em;}
.cta-text{margin-top:12px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.86);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ footer ============ */
.site-footer{position:relative;background:var(--dark);color:rgba(247,243,236,.78);margin-top:56px;}
@media(min-width:1024px){.site-footer{margin-top:96px;}}
.footer-bar{height:4px;background:var(--grad-brand);}
.footer-inner{padding:56px 0 26px;}
@media(min-width:1024px){.footer-inner{padding:72px 0 28px;}}
.footer-grid{display:grid;gap:36px;grid-template-columns:minmax(0,1fr);}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;}}
.footer-brand .logo-text{color:var(--ink-inv);}
.footer-brand .logo-sub{color:rgba(247,243,236,.5);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(247,243,236,.66);max-width:360px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.footer-badge{
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
  background:rgba(127,195,166,.13);border:1px solid rgba(127,195,166,.26);color:#B9E3CF;
}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink-inv);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{display:inline-block;font-size:14px;color:rgba(247,243,236,.68);transition:color .18s ease,transform .18s ease;}
.footer-col a:hover{color:var(--brand-300);transform:translateX(2px);}
.footer-col a:focus-visible{outline:2px solid var(--brand-300);outline-offset:3px;border-radius:4px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(247,243,236,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(247,243,236,.52);font-variant-numeric:tabular-nums;
}
.footer-bottom .dom{letter-spacing:.04em;}
::selection{background:var(--brand-300);color:#0E4732;}

/* roulang page: category5 */
:root{
    --brand-900:#0E4732;
    --brand-700:#14654A;
    --brand-600:#1C7A57;
    --brand-300:#7FC3A6;
    --brand-50:#EAF4EF;
    --clay-600:#C8552F;
    --clay-200:#F0D6CB;
    --lime-300:#DFF25A;
    --bg:#F7F3EC;
    --surface:#FFFFFF;
    --surface-2:#F1ECE2;
    --line:#E3DED3;
    --divider:#EDE8DD;
    --ink:#14171A;
    --ink-2:#5A625E;
    --ink-3:#8A918C;
    --ink-inv:#F7F3EC;
    --dark:#10130F;
    --radius-lg:32px;
    --radius-md:24px;
    --radius-sm:20px;
    --radius-xs:14px;
    --shadow-rest:0 2px 4px rgba(20,23,26,.04), 0 18px 40px -24px rgba(20,23,26,.18);
    --shadow-hover:0 6px 12px rgba(20,23,26,.06), 0 28px 56px -28px rgba(14,71,50,.28);
    --grad-brand:linear-gradient(120deg,#0E4732 0%,#1C7A57 52%,#4FB68C 100%);
    --grad-warm:linear-gradient(120deg,#C8552F,#E89A4C);
    --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%;}
  html body.site-body{
    margin:0;
    padding:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.78;
    -webkit-font-smoothing:antialiased;
  }
  .site-body img{display:block;max-width:100%;height:auto;}
  .site-body a{color:inherit;text-decoration:none;}
  .site-body button{font-family:inherit;}
  .site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p,.site-body ul{margin:0;}
  .site-body ul{list-style:none;padding:0;}
  .num{font-variant-numeric:tabular-nums;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  @media (min-width:1024px){.container{padding:0 40px;}}
  @media (max-width:767px){.container{padding:0 20px;}}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,243,236,.94);
    backdrop-filter:saturate(150%) blur(10px);
    border-bottom:1px solid var(--divider);
    transition:background .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .site-header.is-scrolled{background:#fff;box-shadow:0 1px 12px rgba(20,23,26,.08);border-bottom-color:transparent;}
  .header-inner{display:flex;align-items:center;gap:20px;min-height:84px;transition:min-height .2s ease;}
  .site-header.is-scrolled .header-inner{min-height:68px;}

  .logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
    background:var(--grad-brand);color:#fff;font-weight:800;font-size:18px;line-height:1;
    box-shadow:0 8px 18px -10px rgba(14,71,50,.75);
  }
  .logo-text{display:block;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.2;}
  .logo-sub{display:block;font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.14em;line-height:1.4;}
  .logo:hover .logo-text{color:var(--brand-700);}

  .nav-tabs{
    display:flex;align-items:center;gap:4px;margin:0 auto;
    background:var(--surface-2);border-radius:999px;padding:6px;
  }
  .nav-tab{
    padding:9px 17px;border-radius:999px;font-size:15px;font-weight:600;
    color:var(--ink-2);white-space:nowrap;
    transition:background .18s ease,color .18s ease,box-shadow .18s ease;
  }
  .nav-tab:hover{background:var(--brand-50);color:var(--brand-700);}
  .nav-tab:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;}
  .nav-tab.is-active{background:var(--brand-700);color:#fff;box-shadow:0 8px 20px -12px rgba(14,71,50,.9);}
  .nav-tab.is-active:hover{background:var(--brand-900);color:#fff;}

  .header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
    background:#fff;cursor:pointer;padding:0;place-items:center;gap:5px;
    transition:border-color .18s ease,background .18s ease;
  }
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-900);transition:transform .2s ease,opacity .2s ease;}
  .nav-toggle:hover{border-color:var(--brand-300);background:var(--brand-50);}
  .nav-toggle:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .mobile-drawer{
    border-top:1px solid var(--divider);background:#fff;
    box-shadow:0 18px 40px -24px rgba(20,23,26,.28);
  }
  .mobile-drawer .drawer-list{display:flex;flex-direction:column;padding:8px 0 4px;}
  .mobile-drawer .drawer-link{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    min-height:52px;padding:0 24px;font-size:16px;font-weight:600;color:var(--ink-2);
    border-bottom:1px solid var(--divider);
  }
  .mobile-drawer .drawer-link::after{content:"›";color:var(--brand-300);font-size:20px;line-height:1;}
  .mobile-drawer .drawer-link:hover{background:var(--brand-50);color:var(--brand-700);}
  .mobile-drawer .drawer-link.is-active{color:var(--brand-700);}
  .mobile-drawer .drawer-cta{padding:16px 24px 22px;}
  .mobile-drawer .drawer-cta .btn{width:100%;}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:52px;padding:0 28px;border-radius:999px;border:1.5px solid transparent;
    font-size:16px;font-weight:700;line-height:1;cursor:pointer;
    transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .btn:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;}
  .btn-primary{background:var(--brand-700);color:#fff;box-shadow:0 12px 26px -16px rgba(14,71,50,.85);}
  .btn-primary:hover{background:var(--brand-900);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
  .btn-primary:active{transform:translateY(0);filter:brightness(.94);}
  .btn-secondary{background:#fff;border-color:var(--clay-600);color:var(--clay-600);}
  .btn-secondary:hover{background:rgba(240,214,203,.3);transform:translateY(-2px);}
  .btn-secondary:active{transform:translateY(0);}
  .btn-light{background:#fff;color:var(--brand-900);border-color:#fff;}
  .btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 34px -20px rgba(0,0,0,.5);}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
  .btn-sm{height:44px;padding:0 20px;font-size:14px;}

  .link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-700);font-weight:700;font-size:15px;}
  .link-arrow .arw{transition:transform .18s ease;}
  .link-arrow:hover .arw{transform:translateX(4px);}
  .link-arrow:hover{color:var(--brand-900);}

  /* ---------- hero ---------- */
  .hero-compact{position:relative;overflow:hidden;padding:72px 0 56px;}
  .hero-compact::before{
    content:"";position:absolute;inset:-30% 20% auto 20%;height:520px;
    background:radial-gradient(circle at 50% 30%, rgba(28,122,87,.13), rgba(28,122,87,0) 68%);
    pointer-events:none;
  }
  .hero-inner{position:relative;max-width:820px;margin:0 auto;text-align:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--brand-50);color:var(--brand-700);
    font-size:13px;font-weight:700;letter-spacing:.06em;
    padding:7px 16px;border-radius:999px;border:1px solid rgba(127,195,166,.5);
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600);}
  .page-title{
    margin-top:22px;font-size:clamp(34px,4.6vw,54px);font-weight:800;line-height:1.12;
    letter-spacing:-.02em;color:var(--ink);
  }
  .page-title em{font-style:normal;color:var(--brand-700);}
  .hero-lead{margin:20px auto 0;max-width:680px;font-size:clamp(16px,1.3vw,18px);line-height:1.75;color:var(--ink-2);}
  .hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:28px;}
  .stat-pill{
    display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
    border-radius:999px;padding:8px 16px 8px 8px;box-shadow:var(--shadow-rest);
    font-size:14px;font-weight:600;color:var(--ink-2);
  }
  .stat-pill b{
    display:inline-grid;place-items:center;min-width:44px;height:28px;padding:0 10px;
    border-radius:999px;background:var(--lime-300);color:#14171A;font-size:13px;font-weight:800;
  }
  .stat-pill.clay b{background:var(--grad-warm);color:#fff;}
  .stat-pill.green b{background:var(--brand-50);color:var(--brand-700);border:1px solid rgba(127,195,166,.6);}

  /* ---------- chip bar ---------- */
  .chip-bar{sticky:0;background:var(--bg);border-bottom:1px solid var(--divider);padding:14px 0;}
  .chip-row{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:2px;}
  .chip-row::-webkit-scrollbar{display:none;}
  .chip{
    display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    padding:9px 18px;font-size:14px;font-weight:600;color:var(--ink-2);
    transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
  }
  .chip:hover{background:var(--brand-50);color:var(--brand-700);border-color:var(--brand-300);transform:translateY(-1px);}
  .chip:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;}
  .chip.is-active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;}
  .chip .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-300);}
  .chip.is-active .dot{background:var(--lime-300);}

  /* ---------- section ---------- */
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  @media (min-width:1024px){.section{padding:96px 0;} .section-tight{padding:64px 0;}}
  @media (max-width:767px){.section{padding:48px 0;} .section-tight{padding:44px 0;}}

  .faq-wrap{max-width:880px;margin:0 auto;}
  .faq-group + .faq-group{margin-top:52px;}
  .group-head{display:flex;align-items:center;gap:14px;margin-bottom:8px;}
  .group-head::before{content:"";width:4px;height:28px;border-radius:3px;background:var(--brand-700);flex:0 0 auto;}
  .group-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:-.01em;}
  .group-note{margin:0 0 22px 18px;font-size:15px;line-height:1.7;color:var(--ink-3);}
  .group-count{
    margin-left:auto;font-size:13px;font-weight:700;color:var(--brand-700);
    background:var(--brand-50);border-radius:999px;padding:4px 12px;
  }

  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
    overflow:hidden;
  }
  .faq-item:hover{border-color:var(--brand-300);box-shadow:var(--shadow-rest);}
  .faq-item.is-open{
    border-color:var(--brand-300);
    box-shadow:inset 4px 0 0 var(--brand-700), var(--shadow-rest);
  }
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
    font-size:17px;font-weight:700;line-height:1.5;color:var(--ink);
    transition:color .18s ease;
  }
  .faq-q:hover{color:var(--brand-700);}
  .faq-q:focus-visible{outline:2px solid var(--brand-300);outline-offset:-4px;border-radius:var(--radius-md);}
  .faq-icon{
    position:relative;flex:0 0 auto;width:28px;height:28px;border-radius:50%;
    background:var(--brand-50);border:1px solid rgba(127,195,166,.6);
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);border-radius:2px;
    transform:translate(-50%,-50%);transition:transform .18s ease,opacity .18s ease;
  }
  .faq-icon::before{width:12px;height:2px;}
  .faq-icon::after{width:2px;height:12px;}
  .faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
  .faq-a{padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-2);}
  .faq-a p + p{margin-top:10px;}
  .faq-a .faq-link{display:inline-flex;align-items:center;gap:6px;margin-top:10px;color:var(--brand-700);font-weight:700;}
  .faq-a .faq-link:hover{color:var(--brand-900);}
  .faq-a .faq-link::after{content:"→";transition:transform .18s ease;}
  .faq-a .faq-link:hover::after{transform:translateX(4px);}

  /* ---------- help card ---------- */
  .help-card{
    display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:center;
    background:var(--brand-50);border:1px solid rgba(127,195,166,.45);
    border-radius:var(--radius-lg);padding:44px;margin-top:64px;
  }
  .help-card h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.3;color:var(--brand-900);}
  .help-card p{margin-top:14px;font-size:15px;line-height:1.8;color:#3B4C44;max-width:560px;}
  .help-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;}
  .help-mail{font-size:14px;font-weight:600;color:var(--ink-2);}
  .help-mail b{color:var(--brand-900);}
  .help-figure{border-radius:var(--radius-sm);overflow:hidden;position:relative;aspect-ratio:4/3;background:#fff;box-shadow:var(--shadow-rest);}
  .help-figure img{width:100%;height:100%;object-fit:cover;}
  .help-figure span{
    position:absolute;left:12px;bottom:12px;background:rgba(16,19,15,.72);color:#fff;
    font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;backdrop-filter:blur(4px);
  }

  /* ---------- cta band ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--radius-lg);
    background:var(--grad-brand);color:#fff;padding:56px;
    display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  }
  .cta-band::after{
    content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle, rgba(223,242,90,.28), rgba(223,242,90,0) 70%);
  }
  .cta-band .cta-copy{position:relative;z-index:1;max-width:620px;}
  .cta-band h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
  .cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);}
  .cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--dark);color:rgba(247,243,236,.78);margin-top:96px;}
  .footer-bar{height:4px;background:var(--grad-brand);}
  .footer-inner{padding:64px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
  .footer-brand .logo-text{color:var(--ink-inv);}
  .footer-brand .logo-sub{color:rgba(247,243,236,.5);}
  .footer-brand .logo-mark{box-shadow:none;}
  .footer-brand .logo:hover .logo-text{color:var(--brand-300);}
  .footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(247,243,236,.62);max-width:340px;}
  .footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
  .footer-badge{
    font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
    background:rgba(247,243,236,.08);border:1px solid rgba(247,243,236,.16);color:rgba(247,243,236,.82);
  }
  .footer-badge.num{color:var(--lime-300);}
  .footer-col h4{font-size:14px;font-weight:700;color:var(--ink-inv);letter-spacing:.06em;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{
    font-size:14px;color:rgba(247,243,236,.7);
    transition:color .18s ease,transform .18s ease;display:inline-block;
  }
  .footer-col a:hover{color:var(--brand-300);transform:translateX(2px);}
  .footer-col a:focus-visible{outline:2px solid var(--brand-300);outline-offset:3px;border-radius:4px;}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    margin-top:52px;padding:22px 0;border-top:1px solid rgba(247,243,236,.12);
    font-size:13px;color:rgba(247,243,236,.55);
  }
  .footer-bottom .dom{color:rgba(247,243,236,.45);letter-spacing:.04em;}

  /* ---------- responsive ---------- */
  @media (max-width:1023px){
    .nav-tabs{display:none;}
    .nav-toggle{display:grid;}
    .hero-compact{padding:56px 0 44px;}
    .help-card{grid-template-columns:1fr;padding:36px;gap:28px;}
    .help-figure{order:-1;aspect-ratio:16/9;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
    .cta-band{padding:44px;}
  }
  @media (max-width:767px){
    .site-body{font-size:15.5px;}
    .header-inner{min-height:70px;gap:12px;}
    .site-header.is-scrolled .header-inner{min-height:62px;}
    .logo-text{font-size:16px;}
    .logo-sub{font-size:11px;}
    .logo-mark{width:34px;height:34px;font-size:16px;border-radius:10px;}
    .header-actions .btn-sm{display:none;}
    .hero-stats{gap:8px;}
    .stat-pill{font-size:13px;padding:6px 12px 6px 6px;}
    .faq-q{padding:18px 18px;font-size:16px;gap:12px;}
    .faq-a{padding:0 18px 20px;}
    .help-card{padding:26px;border-radius:var(--radius-md);margin-top:44px;}
    .help-actions{gap:12px;}
    .help-actions .btn{width:100%;}
    .cta-band{padding:32px 24px;border-radius:var(--radius-md);}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .site-footer{margin-top:56px;}
    .footer-grid{grid-template-columns:1fr;gap:32px;}
    .footer-inner{padding-top:44px;}
    .footer-brand p{max-width:none;}
    .footer-bottom{justify-content:flex-start;margin-top:36px;}
    .chip-bar{padding:12px 0;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
  }