/* roulang page: index */
:root{
  --paper:#F5F2EA;
  --paper-2:#ECE8DE;
  --surface:#FFFFFF;
  --ink:#141712;
  --ink-2:#2C3128;
  --muted:#6E746A;
  --forest:#0C2B21;
  --forest-2:#16453A;
  --lime:#C8F14B;
  --lime-soft:#E7FBB4;
  --clay:#D8542F;
  --line:#DFDACE;
  --line-dark:rgba(255,255,255,.14);
  --shadow-sm:0 1px 2px rgba(20,26,23,.06);
  --shadow-md:0 10px 28px -14px rgba(12,43,33,.20);
  --r-card:16px;
  --r-thumb:12px;
  --r-input:10px;
  --r-badge:6px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--forest);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--ink);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.mono{font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,monospace;font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(200,241,75,.6);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 40px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(245,242,234,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto;min-width:132px;}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(200,241,75,.22);flex:0 0 auto;transform:rotate(0);}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:30px;flex:1 1 auto;justify-content:center;}
.nav-link{position:relative;padding:8px 0;font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:center;transition:transform .16s var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--forest);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:none;align-items:center;justify-content:center;color:var(--forest);cursor:pointer;
  transition:border-color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.icon-btn:hover{border-color:var(--forest);background:var(--paper-2);transform:translateY(-1px);}
.icon-btn:active{transform:translateY(0);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--forest);color:var(--lime);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--forest);color:var(--paper);border-color:var(--forest);transform:translateY(-1px);}
.btn-light{background:transparent;color:var(--paper);border-color:rgba(255,255,255,.5);}
.btn-light:hover{background:var(--paper);color:var(--forest);border-color:var(--paper);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--forest);
  background:none;border:0;padding:4px 0;cursor:pointer;
}
.btn-text svg{transition:transform .18s var(--ease);}
.btn-text:hover{color:var(--ink);}
.btn-text:hover svg{transform:translateX(4px);}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--forest);color:var(--paper);overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.20;filter:saturate(.85);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(12,43,33,.92) 0%,rgba(12,43,33,.78) 55%,rgba(12,43,33,.95) 100%);
}
.hero-watermark{
  position:absolute;left:-10px;bottom:-40px;z-index:0;
  font-size:clamp(120px,17vw,230px);font-weight:800;letter-spacing:-.05em;line-height:1;
  color:rgba(255,255,255,.045);pointer-events:none;user-select:none;white-space:nowrap;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
  padding:76px 0 84px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;border:1px solid var(--line-dark);
  font-size:12px;font-weight:600;color:var(--lime-soft);background:rgba(255,255,255,.05);
  margin-bottom:22px;
}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--clay);box-shadow:0 0 0 4px rgba(216,84,47,.22);}
.hero h1{
  font-size:clamp(32px,5.2vw,66px);font-weight:800;line-height:1.06;letter-spacing:-.03em;
  color:var(--paper);margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{
  font-size:clamp(15px,1.6vw,18px);line-height:1.75;color:rgba(245,242,234,.78);
  max-width:520px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:40px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:48px;
  padding-top:24px;border-top:1px solid var(--line-dark);
}
.hero-stat b{
  display:block;font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.02em;
  color:var(--paper);line-height:1.2;font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,monospace;
  font-variant-numeric:tabular-nums;
}
.hero-stat span{font-size:12px;color:rgba(245,242,234,.62);letter-spacing:.04em;}
.hero-visual{
  position:relative;width:100%;max-width:340px;justify-self:end;
  aspect-ratio:9/16;max-height:560px;border-radius:18px;overflow:hidden;
  border:1px solid rgba(255,255,255,.16);background:var(--forest-2);
  box-shadow:0 24px 60px -30px rgba(0,0,0,.7);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.hero-visual:hover img{transform:scale(1.03);}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(12,43,33,.92) 0%,rgba(12,43,33,.25) 45%,rgba(12,43,33,0) 70%);
}
.media-badge{
  position:absolute;top:14px;left:14px;z-index:3;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;border-radius:6px;background:rgba(20,23,18,.62);
  font-size:12px;font-weight:600;color:#fff;font-family:ui-monospace,Menlo,monospace;
}
.play-btn{
  position:absolute;right:16px;bottom:78px;z-index:3;
  width:46px;height:46px;border-radius:50%;background:var(--lime);border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  transition:transform .18s var(--ease),background .18s var(--ease);
}
.play-btn:hover{background:var(--paper);transform:scale(1.06);}
.play-btn:active{transform:scale(1);}
.hero-visual-meta{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:3;color:var(--paper);
}
.hero-visual-meta strong{display:block;font-size:16px;font-weight:600;line-height:1.4;}
.hero-visual-meta span{font-size:12px;color:rgba(245,242,234,.72);}

/* ---------- section base ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:44px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.15;letter-spacing:-.02em;color:var(--ink);
}
.section-head p{margin-top:12px;font-size:16px;color:var(--muted);max-width:620px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--forest);background:var(--lime-soft);padding:5px 10px;border-radius:var(--r-badge);
  margin-bottom:14px;text-transform:uppercase;
}
.section-dark{background:var(--forest);color:var(--paper);}
.section-dark .section-head h2{color:var(--paper);}
.section-dark .section-head p{color:rgba(245,242,234,.7);}
.section-dark .eyebrow{background:rgba(255,255,255,.12);color:var(--lime-soft);}

/* ---------- channel cards ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.channel-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-sm);overflow:hidden;
  transition:border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.channel-card:hover{border-color:var(--forest);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.channel-thumb{
  aspect-ratio:16/10;border-radius:var(--r-thumb);overflow:hidden;margin-bottom:22px;
  background:var(--paper-2);
}
.channel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.channel-card:hover .channel-thumb img{transform:scale(1.03);}
.channel-card h3{font-size:21px;font-weight:600;line-height:1.4;margin-bottom:10px;color:var(--ink);}
.channel-card p{font-size:15px;color:var(--muted);line-height:1.75;margin-bottom:22px;}
.channel-card .btn-text{margin-top:auto;}
.tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--forest);
  background:var(--lime-soft);padding:4px 9px;border-radius:var(--r-badge);
}
.tag-dark{background:rgba(255,255,255,.12);color:var(--paper);}

/* ---------- rail (封面墙) ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 clamp(196px,21vw,244px);scroll-snap-align:start;
  position:relative;aspect-ratio:9/16;border-radius:18px;overflow:hidden;
  background:var(--forest-2);border:1px solid rgba(255,255,255,.12);
  transition:transform .2s var(--ease);
  display:block;
}
.rail-card:hover{transform:translateY(-2px);}
.rail-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rail-card:hover img{transform:scale(1.03);}
.rail-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(12,43,33,.94) 0%,rgba(12,43,33,.45) 40%,rgba(12,43,33,0) 66%);
}
.rail-time{
  position:absolute;top:12px;left:12px;z-index:3;
  padding:4px 8px;border-radius:6px;background:rgba(20,23,18,.6);
  font-size:12px;font-weight:600;color:#fff;
  font-family:ui-monospace,Menlo,monospace;font-variant-numeric:tabular-nums;
}
.rail-live{
  position:absolute;top:12px;right:12px;z-index:3;
  padding:4px 8px;border-radius:6px;background:var(--clay);
  font-size:12px;font-weight:600;color:#fff;
}
.rail-body{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;color:var(--paper);}
.rail-body strong{display:block;font-size:16px;font-weight:600;line-height:1.45;margin-bottom:4px;}
.rail-body span{font-size:12px;color:rgba(245,242,234,.72);}
.rail-play{
  position:absolute;right:14px;bottom:70px;z-index:3;
  width:40px;height:40px;border-radius:50%;background:var(--lime);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
}

/* ---------- checklist ---------- */
.checklist{border-top:1px solid var(--line);}
.list-row{
  display:grid;grid-template-columns:64px 1fr 28px;gap:24px;align-items:center;
  padding:24px 12px;border-bottom:1px solid var(--line);
  transition:background .18s var(--ease);
}
.list-row:hover{background:var(--paper-2);}
.list-row .num{
  font-size:26px;font-weight:600;color:var(--muted);line-height:1;
  font-family:ui-monospace,Menlo,monospace;font-variant-numeric:tabular-nums;
  transition:color .18s var(--ease);
}
.list-row:hover .num{color:var(--forest);}
.list-row h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:4px;line-height:1.4;}
.list-row p{font-size:14px;color:var(--muted);line-height:1.7;}
.list-row .arrow{color:var(--forest);display:flex;justify-content:flex-end;}
.checklist-side h2{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin-bottom:16px;
}
.checklist-side p{font-size:16px;color:var(--muted);max-width:340px;margin-bottom:24px;}
.checklist-layout{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.news-card:hover{border-color:var(--forest);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.news-thumb{
  aspect-ratio:16/9;background:var(--paper-2);overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  font-size:34px;font-weight:800;color:var(--forest);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:19px;font-weight:600;line-height:1.5;margin:12px 0 10px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:20px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.news-meta time{font-family:ui-monospace,Menlo,monospace;font-variant-numeric:tabular-nums;}
.news-meta .arrow{color:var(--forest);}
.news-empty{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);
}
.news-empty svg{margin:0 auto 16px;color:var(--muted);}
.news-empty p{font-size:16px;color:var(--muted);margin-bottom:20px;}

/* ---------- proof ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.proof-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-sm);
}
.proof-item b{
  display:block;font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.02em;color:var(--forest);
  font-family:ui-monospace,Menlo,monospace;font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:6px;
}
.proof-item span{font-size:14px;color:var(--muted);}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.review-card:hover{border-color:var(--forest);transform:translateY(-2px);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;color:var(--forest);background:var(--lime-soft);flex:0 0 auto;
}
.avatar.alt{background:var(--paper-2);color:var(--ink-2);}
.review-top strong{font-size:14px;font-weight:600;color:var(--ink);}
.review-card p{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:16px;}
.stars{display:flex;gap:4px;}
.stars i{width:8px;height:8px;background:var(--lime);border-radius:2px;display:block;}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start;}
.faq-side h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin-bottom:16px;}
.faq-side p{font-size:16px;color:var(--muted);margin-bottom:24px;max-width:320px;}
.faq-contact{
  display:inline-flex;flex-direction:column;gap:4px;padding:18px 22px;
  border:1px solid var(--line);border-radius:var(--r-input);background:var(--surface);
}
.faq-contact span{font-size:12px;color:var(--muted);}
.faq-contact strong{font-size:16px;font-weight:600;color:var(--forest);font-family:ui-monospace,Menlo,monospace;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;padding:22px 12px;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.faq-q:hover{background:var(--paper-2);color:var(--forest);}
.faq-q .sign{flex:0 0 auto;color:var(--forest);transition:transform .24s var(--ease);display:flex;}
.faq-item.open .faq-q .sign{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a-inner{padding:0 12px 24px;font-size:16px;line-height:1.85;color:var(--muted);}

/* ---------- cta ---------- */
.cta-block{
  position:relative;background:var(--forest);color:var(--paper);overflow:hidden;
  border-radius:24px;padding:64px;border:1px solid var(--line-dark);
}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.cta-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;
  gap:48px;align-items:center;
}
.cta-inner h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.2;letter-spacing:-.02em;margin-bottom:14px;}
.cta-inner p{font-size:16px;color:rgba(245,242,234,.75);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:flex-end;}
.cta-note{margin-top:16px;font-size:13px;color:rgba(245,242,234,.55);text-align:right;width:100%;}

/* ---------- footer ---------- */
.site-footer{background:var(--forest);color:var(--paper);padding:64px 0 0;border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px;}
.footer-brand .brand-text{color:var(--paper);font-size:18px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(245,242,234,.66);margin-top:16px;max-width:300px;}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.06em;color:rgba(245,242,234,.5);margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(245,242,234,.82);text-decoration:none;}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px;}
.footer-col address{font-style:normal;font-size:14px;line-height:1.9;color:rgba(245,242,234,.72);}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:24px 0;
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(245,242,234,.5);
}
.footer-bottom a{color:rgba(245,242,234,.7);}

/* ---------- mobile tab & sticky bar ---------- */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:220;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.mobile-tab ul{display:flex;height:60px;}
.mobile-tab li{flex:1;}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  height:100%;font-size:10px;color:var(--muted);position:relative;
}
.mobile-tab a svg{stroke-width:1.75;}
.mobile-tab a.is-active{color:var(--forest);font-weight:600;}
.mobile-tab a.is-active::after{
  content:"";position:absolute;bottom:8px;width:6px;height:6px;border-radius:50%;background:var(--lime);
}
.sticky-bar{
  position:fixed;left:0;right:0;z-index:210;
  bottom:calc(60px + env(safe-area-inset-bottom));
  display:none;align-items:center;justify-content:space-between;gap:16px;
  height:52px;padding:0 16px;background:var(--surface);
  border-top:1px solid var(--line);box-shadow:0 -6px 20px -14px rgba(12,43,33,.4);
  transform:translateY(130%);transition:transform .28s var(--ease);
}
.sticky-bar.is-visible{transform:translateY(0);}
.sticky-bar span{font-size:13px;color:var(--ink-2);font-weight:600;}
.sticky-bar .btn{height:36px;padding:0 18px;font-size:13px;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .24s var(--ease),transform .24s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
}
@media (max-width:1023px){
  .container{padding:0 32px;}
  .main-nav{display:none;}
  .header-actions .btn{display:none;}
  .icon-btn{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:56px 0 64px;}
  .hero-visual{justify-self:start;max-width:300px;max-height:480px;}
  .channel-grid{grid-template-columns:1fr 1fr;}
  .checklist-layout,.faq-layout{grid-template-columns:1fr;gap:36px;}
  .proof-grid{grid-template-columns:1fr 1fr;}
  .review-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .cta-actions{justify-content:flex-start;}
  .cta-note{text-align:left;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .mobile-tab{display:block;}
  .sticky-bar{display:flex;}
  body{padding-bottom:calc(60px + 52px + env(safe-area-inset-bottom));}
  .section{padding:72px 0;}
  .cta-block{padding:44px;border-radius:20px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  body{font-size:15px;line-height:1.75;}
  .hero h1{font-size:clamp(28px,8vw,40px);}
  .hero-stats{gap:28px;}
  .hero-visual{max-width:100%;max-height:none;}
  .rail-card{flex:0 0 78vw;}
  .channel-grid,.news-grid,.proof-grid,.review-grid{grid-template-columns:1fr;}
  .cta-block{padding:32px 24px;border-radius:16px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-brand{grid-column:1/-1;}
  .list-row{grid-template-columns:44px 1fr 22px;gap:14px;padding:20px 4px;}
  .list-row .num{font-size:20px;}
  .section-head{margin-bottom:32px;}
  .btn{height:46px;padding:0 22px;}
  .cta-actions .btn{width:100%;}
  .rail-play{bottom:64px;width:36px;height:36px;}
}
@media (max-width:479px){
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:20px;}
  .review-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --paper:#F5F2EA;
  --paper-2:#ECE8DE;
  --surface:#FFFFFF;
  --ink:#141712;
  --ink-2:#2C3128;
  --muted:#6E746A;
  --forest:#0C2B21;
  --forest-2:#16453A;
  --lime:#C8F14B;
  --lime-soft:#E7FBB4;
  --clay:#D8542F;
  --line:#DFDACE;
  --line-dark:rgba(255,255,255,.14);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(20,26,23,.06);
  --shadow-md:0 10px 28px -14px rgba(12,43,33,.20);
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,monospace;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
::selection{background:var(--lime-soft);color:var(--forest)}
:focus-visible{outline:3px solid rgba(200,241,75,.6);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px}
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,242,234,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(20,26,23,.02)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:132px}
.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--lime);flex:0 0 auto;box-shadow:0 0 0 4px rgba(200,241,75,.18)}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--forest);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;display:inline-block;
  padding:6px 0;font-size:14px;font-weight:600;color:var(--ink-2);
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:center;
  transition:transform .16s ease;
}
.nav-link:hover{color:var(--forest)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--forest);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:var(--forest);color:var(--lime);border-color:var(--forest);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-secondary:hover{background:var(--forest);color:var(--paper);border-color:var(--forest);transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(0)}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:0;padding:0;color:var(--forest);
  font-size:15px;font-weight:600;
}
.btn-ghost svg{transition:transform .18s ease}
.btn-ghost:hover svg{transform:translateX(4px)}
.icon-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);color:var(--forest);
  transition:border-color .18s ease,background-color .18s ease,color .18s ease;
}
.icon-btn:hover{border-color:var(--forest);background:var(--forest);color:var(--lime)}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 9px;border-radius:6px;
  background:var(--lime-soft);color:var(--forest);
  font-size:12px;font-weight:600;line-height:1.5;
}
.article-hero{padding:36px 0 88px}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:30px;
}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--forest);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:var(--line);font-family:var(--font-mono)}
.breadcrumb .current{color:var(--ink-2);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(280px,4fr);gap:48px;align-items:start}
.article-main{min-width:0}
.article-head{margin-bottom:28px}
.article-head h1{
  margin-top:16px;
  font-size:clamp(30px,4vw,48px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  overflow-wrap:anywhere;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;
  margin-top:22px;padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.meta-row time,.meta-row .num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block}
.article-cover{
  margin:0 0 36px;border-radius:var(--radius-card);overflow:hidden;
  background:var(--paper-2);border:1px solid var(--line);
  aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-body{max-width:720px;font-size:16px;line-height:1.9;color:var(--ink)}
.article-body > * + *{margin-top:1.2em}
.article-body p{margin:0}
.article-body h2{
  margin-top:48px;font-size:28px;line-height:1.3;font-weight:800;
  letter-spacing:-.01em;color:var(--ink);
}
.article-body h3{margin-top:32px;font-size:22px;line-height:1.4;font-weight:600;color:var(--ink-2)}
.article-body h4{margin-top:24px;font-size:18px;font-weight:600;color:var(--ink-2)}
.article-body ul,.article-body ol{padding-left:1.4em;margin-top:1.2em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-top:8px;padding-left:.2em}
.article-body li::marker{color:var(--forest)}
.article-body a{color:var(--forest);text-decoration:underline;text-underline-offset:3px;transition:background-color .18s ease,color .18s ease}
.article-body a:hover{background:var(--lime);color:var(--ink)}
.article-body strong{font-weight:800;color:var(--ink)}
.article-body blockquote{
  margin:32px 0;padding:20px 24px;
  background:var(--paper-2);
  border-left:3px solid var(--lime);
  border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--ink-2);
}
.article-body figure{margin:32px 0;text-align:center}
.article-body figure img{border-radius:var(--radius-img);margin:0 auto;width:100%}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--muted)}
.article-body img{border-radius:var(--radius-img);max-width:100%}
.article-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:14px;border:1px solid var(--line)}
.article-body th,.article-body td{padding:10px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{background:var(--paper-2);font-weight:600;color:var(--ink-2)}
.article-body code{
  font-family:var(--font-mono);font-size:.9em;
  background:var(--paper-2);border-radius:4px;padding:2px 6px;
}
.article-body pre{
  background:var(--forest);color:var(--paper);
  border-radius:var(--radius-img);padding:18px 20px;overflow:auto;
}
.article-body pre code{background:transparent;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  color:var(--muted);
}
.empty-state strong{font-size:20px;color:var(--ink);font-weight:800}
.empty-state .btn{margin-top:6px}
.article-nav{
  max-width:720px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line);
}
.article-nav-top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.article-nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.nav-card{
  display:block;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--surface);box-shadow:var(--shadow-sm);
  transition:border-color .18s ease,transform .18s ease;
}
.nav-card:hover{border-color:var(--forest);transform:translateY(-2px)}
.nav-card span{display:block;font-size:12px;font-weight:600;color:var(--muted)}
.nav-card strong{display:block;margin-top:6px;font-size:16px;font-weight:600;color:var(--ink-2);line-height:1.5}
.article-related{max-width:720px;margin-top:64px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--forest);letter-spacing:.08em;
  text-transform:uppercase;
}
.section-kicker::before{content:"";width:18px;height:2px;background:var(--lime);border-radius:2px}
.article-related h2{margin-top:10px;font-size:clamp(24px,3vw,32px);line-height:1.2;font-weight:800;letter-spacing:-.02em}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.content-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.content-card:hover{border-color:var(--forest);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.content-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.content-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.content-card:hover .thumb img{transform:scale(1.03)}
.content-card .body{padding:18px 20px 20px}
.content-card h3{margin-top:10px;font-size:18px;line-height:1.45;font-weight:600;color:var(--ink-2)}
.content-card p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.content-card .meta{margin-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}
.content-card .meta time{font-family:var(--font-mono)}
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;min-width:0}
.toc-card,.aside-cta{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.toc-card{padding:22px}
.toc-card h3{font-size:14px;font-weight:600;color:var(--ink-2);letter-spacing:.02em}
.toc-list{margin-top:14px;display:flex;flex-direction:column}
.toc-list a{
  display:block;padding:10px 0 10px 14px;
  border-left:2px solid var(--line);
  font-size:14px;color:var(--muted);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.toc-list a:hover,.toc-list a.is-active{color:var(--forest);border-left-color:var(--lime);background:rgba(200,241,75,.08)}
.aside-cta{background:var(--forest);border-color:var(--forest-2);padding:26px;color:var(--paper)}
.aside-cta .badge{background:rgba(255,255,255,.12);color:var(--paper)}
.aside-cta h3{margin-top:14px;font-size:20px;line-height:1.35;font-weight:800;color:var(--paper)}
.aside-cta p{margin-top:10px;font-size:14px;line-height:1.75;color:rgba(245,242,234,.72)}
.aside-cta .btn{width:100%;margin-top:18px}
.cta-band{background:var(--forest);color:var(--paper);padding:80px 0;margin-top:24px}
.cta-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:48px;align-items:center}
.cta-band .section-kicker{color:var(--lime)}
.cta-band h2{margin-top:12px;font-size:clamp(26px,3.4vw,40px);line-height:1.16;font-weight:800;letter-spacing:-.02em;color:var(--paper)}
.cta-band p{margin-top:14px;max-width:520px;color:rgba(245,242,234,.74);font-size:15px}
.subscribe{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-card);
  padding:24px;
}
.subscribe label{display:block;font-size:13px;font-weight:600;color:rgba(245,242,234,.86);margin-bottom:8px}
.subscribe .field-row{display:flex;gap:10px;flex-wrap:wrap}
.subscribe input{
  flex:1 1 200px;min-height:48px;padding:0 16px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);border-radius:var(--radius-input);
  color:var(--paper);font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.subscribe input::placeholder{color:rgba(245,242,234,.44)}
.subscribe input:hover{border-color:rgba(255,255,255,.32)}
.subscribe input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,241,75,.22)}
.subscribe .btn{flex:0 0 auto}
.form-note{margin-top:12px;font-size:12px;color:rgba(245,242,234,.52)}
.form-feedback{
  display:none;margin-top:12px;padding:10px 12px;border-radius:8px;
  background:var(--lime-soft);color:var(--forest);font-size:13px;font-weight:600;
}
.form-feedback.is-visible{display:block}
.site-footer{background:var(--forest);color:var(--paper);border-top:1px solid var(--line-dark);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand-text{color:var(--paper)}
.footer-brand p{margin-top:16px;max-width:280px;font-size:14px;line-height:1.75;color:rgba(245,242,234,.68)}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.08em;color:rgba(245,242,234,.5);margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(245,242,234,.82);transition:color .18s ease}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.footer-col address{font-style:normal;font-size:14px;line-height:2;color:rgba(245,242,234,.78)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;
  border-top:1px solid var(--line-dark);
  font-size:12px;color:rgba(245,242,234,.52);
  font-family:var(--font-mono);
}
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:var(--surface);border-top:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  padding:8px 8px calc(8px + env(safe-area-inset-bottom));
}
.mobile-tab-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}
.tab-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  padding:4px 2px;border-radius:10px;
  font-size:10px;color:var(--muted);
  transition:color .18s ease,background-color .18s ease;
}
.tab-item svg{width:24px;height:24px;stroke-width:1.75}
.tab-item .tab-dot{width:6px;height:6px;border-radius:50%;background:transparent;transition:background-color .18s ease}
.tab-item:hover{color:var(--forest);background:var(--paper-2)}
.tab-item.is-active{color:var(--forest);font-weight:600}
.tab-item.is-active .tab-dot{background:var(--lime)}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .24s cubic-bezier(.22,.61,.36,1),transform .24s cubic-bezier(.22,.61,.36,1)}
.reveal.is-visible{opacity:1;transform:none}
@media (max-width:1023px){
  .container{padding:0 32px}
  .main-nav{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .article-aside{position:static;order:2}
  .article-main{order:1}
  .article-body,.article-related,.article-nav{max-width:100%}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .mobile-tab{display:block}
  body{padding-bottom:76px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{gap:12px}
  .header-actions .btn{display:none}
  .article-hero{padding:24px 0 64px}
  .article-head h1{font-size:clamp(26px,7.4vw,34px)}
  .article-body{font-size:15px;line-height:1.8}
  .article-body h2{font-size:24px;margin-top:40px}
  .article-body h3{font-size:20px}
  .related-grid{grid-template-columns:1fr}
  .article-nav-grid{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
  .subscribe{padding:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{font-size:11px;line-height:1.8}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .brand-text{font-size:16px}
  .icon-btn{width:42px;height:42px}
  .meta-row{font-size:12px;gap:8px 12px}
  .footer-grid{grid-template-columns:1fr}
  .article-cover{aspect-ratio:4/3}
  .subscribe .field-row{flex-direction:column}
  .subscribe .btn{width:100%}
  .breadcrumb{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --paper:#F5F2EA;
  --paper-2:#ECE8DE;
  --surface:#FFFFFF;
  --ink:#141712;
  --ink-2:#2C3128;
  --muted:#6E746A;
  --forest:#0C2B21;
  --forest-2:#16453A;
  --lime:#C8F14B;
  --lime-soft:#E7FBB4;
  --clay:#D8542F;
  --line:#DFDACE;
  --line-dark:rgba(255,255,255,.14);
  --shadow-sm:0 1px 2px rgba(20,26,23,.06);
  --shadow-md:0 10px 28px -14px rgba(12,43,33,.20);
  --radius-card:16px;
  --radius-media:12px;
  --radius-btn:999px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
address{font-style:normal}
svg{display:block}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(200,241,75,.6);
  outline-offset:2px;
}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
.section{padding:96px 0}
.section-tight{padding:64px 0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(245,242,234,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:32px;height:68px}
.brand{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;min-width:132px}
.brand-dot{
  width:9px;height:9px;background:var(--lime);
  border-radius:2px;transform:rotate(45deg);flex:0 0 auto;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:28px;margin:0 auto}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;color:var(--ink-2);
  transition:color .16s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:-1px;height:2px;
  background:var(--lime);transition:left .16s ease,right .16s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{left:0;right:0}
.nav-link.is-active{font-weight:600;color:var(--ink)}
.nav-link.is-active::after{left:0;right:0}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);display:grid;place-items:center;color:var(--forest);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--forest);background:var(--paper-2);transform:translateY(-1px)}
.icon-btn:active{transform:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--forest);color:var(--lime);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--forest);border-color:var(--forest);color:var(--paper)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed}
.btn-text{display:inline-flex;align-items:center;gap:8px;color:var(--forest);font-weight:600;font-size:15px}
.btn-text svg{transition:transform .2s ease}
.btn-text:hover svg{transform:translateX(4px)}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding-top:28px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted);transition:color .16s ease}
.breadcrumb a:hover{color:var(--forest);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:var(--line);font-family:var(--font-mono)}
.breadcrumb .current{color:var(--ink-2);font-weight:600}

/* ---------- hero ---------- */
.cat-hero{padding:40px 0 72px}
.cat-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-block;background:var(--lime-soft);color:var(--forest);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:6px;margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(32px,4.6vw,56px);font-weight:800;line-height:1.08;letter-spacing:-.03em;
}
.cat-hero .lead{
  margin-top:20px;font-size:17px;line-height:1.8;color:var(--muted);max-width:32em;
}
.hero-actions{margin-top:32px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
}
.stat-num{
  font-family:var(--font-mono);font-size:clamp(22px,2.4vw,28px);font-weight:800;
  color:var(--forest);font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.2;
}
.stat-label{font-size:12px;color:var(--muted);margin-top:4px}
.cat-hero-media{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid var(--forest);box-shadow:var(--shadow-md);
  min-height:clamp(320px,42vh,460px);background:var(--paper-2);
}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.media-tag{
  position:absolute;left:16px;top:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(12,43,33,.86);color:var(--paper);
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:6px;
}
.media-tag i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}

/* ---------- chips ---------- */
.chips{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:10px;margin-bottom:32px;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;height:40px;padding:0 18px;border-radius:999px;
  display:inline-flex;align-items:center;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-2);font-size:14px;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--forest);transform:translateY(-1px)}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600}
.chip.is-active:hover{transform:none}

/* ---------- section head ---------- */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
}
.section-head .sub{
  margin-top:10px;font-size:15px;color:var(--muted);max-width:38em;
}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);border-color:var(--forest);box-shadow:var(--shadow-md)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--paper-2);position:relative}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.badge{
  display:inline-block;background:var(--lime-soft);color:var(--forest);
  font-size:12px;font-weight:600;padding:3px 9px;border-radius:6px;align-self:flex-start;
}
.card h3{font-size:19px;font-weight:600;line-height:1.4;margin-top:12px}
.card p{font-size:14.5px;line-height:1.75;color:var(--muted);margin-top:8px}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.card-meta time{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.card-meta .arrow{color:var(--forest);transition:transform .2s ease}
.card:hover .card-meta .arrow{transform:translateX(4px)}

/* ---------- list stack ---------- */
.list-stack{border-top:1px solid var(--line)}
.list-item{
  display:grid;grid-template-columns:72px 1fr 32px;gap:20px;align-items:center;
  padding:26px 16px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.list-item:hover{background:var(--paper-2)}
.list-num{
  font-family:var(--font-mono);font-size:26px;font-weight:600;color:var(--muted);
  font-variant-numeric:tabular-nums;line-height:1;transition:color .2s ease;
}
.list-item:hover .list-num{color:var(--forest)}
.list-item h3{font-size:17px;font-weight:600;line-height:1.45}
.list-item p{font-size:14px;color:var(--muted);margin-top:4px;line-height:1.7}
.list-item .arrow{color:var(--forest);justify-self:end;transition:transform .2s ease}
.list-item:hover .arrow{transform:translateX(4px)}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start}
.faq-aside p{font-size:15px;color:var(--muted);margin-top:14px;max-width:26em}
.faq-aside .btn-text{margin-top:24px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 10px;font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  border-radius:8px;transition:background .2s ease;
}
.faq-q:hover{background:var(--paper-2)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;position:relative;color:var(--forest)}
.faq-icon svg{transition:transform .24s ease}
.faq-item.is-open .faq-icon svg{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a-inner{padding:0 10px 22px;font-size:16px;line-height:1.85;color:var(--muted)}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--forest);color:var(--paper);border-radius:24px;
  padding:56px;display:flex;align-items:center;justify-content:space-between;
  gap:40px;flex-wrap:wrap;
}
.cta-band h2{
  font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.2;letter-spacing:-.02em;
}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(245,242,234,.72);max-width:34em}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.5);color:var(--paper)}
.cta-band .btn-ghost:hover{background:var(--paper);border-color:var(--paper);color:var(--forest)}

/* ---------- form ---------- */
.form-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.contact-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-sm);
}
.contact-card h3{font-size:18px;font-weight:600}
.contact-list{margin-top:20px;display:grid;gap:16px}
.contact-list li{display:flex;flex-direction:column;gap:2px;font-size:14px;color:var(--muted)}
.contact-list strong{font-size:13px;font-weight:600;color:var(--ink-2)}
.contact-list a{color:var(--forest);transition:background .2s ease,color .2s ease}
.contact-list a:hover{background:var(--lime-soft);border-radius:4px}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-sm);
}
.form-note{
  display:none;background:var(--lime-soft);color:var(--forest);
  border-radius:8px;padding:12px 16px;font-size:14px;line-height:1.7;margin-bottom:20px;
}
.form-note.is-show{display:block}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;background:var(--surface);
  border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9A9F94}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--forest);box-shadow:0 0 0 3px rgba(200,241,75,.35);
}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--clay)}
.err-msg{display:none;font-size:13px;color:var(--clay);line-height:1.6}
.field.is-error .err-msg{display:block}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
.form-foot .hint{font-size:13px;color:var(--muted)}

/* ---------- footer ---------- */
.site-footer{background:var(--forest);color:var(--paper);padding:72px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text{color:var(--paper)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(245,242,234,.68);max-width:24em}
.footer-col h4{font-size:13px;font-weight:600;color:rgba(245,242,234,.55);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(245,242,234,.8);transition:color .2s ease}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.footer-col address{font-size:14px;line-height:2;color:rgba(245,242,234,.7)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(245,242,234,.6);
}

/* ---------- mobile tab ---------- */
.mobile-tab{display:none}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .24s cubic-bezier(.22,.61,.36,1),transform .24s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 32px}
  .section{padding:72px 0}
  .main-nav{display:none}
  .header-actions .btn{display:none}
  .header-inner{justify-content:space-between;gap:16px}
  .brand{min-width:0}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px}
  .cat-hero-media{min-height:clamp(240px,38vh,340px)}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .form-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .site-footer{padding:56px 0 24px;margin-top:72px}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:120;
    height:60px;padding-bottom:env(safe-area-inset-bottom);
    background:#fff;border-top:1px solid var(--line);box-shadow:0 -1px 2px rgba(20,26,23,.06);
  }
  .mobile-tab a{
    position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:2px;padding:8px 4px 12px;font-size:10px;color:var(--muted);
    transition:color .18s ease;
  }
  .mobile-tab a svg{width:22px;height:22px;stroke-width:1.75}
  .mobile-tab a.is-active{color:var(--forest);font-weight:600}
  .mobile-tab a.is-active::after{
    content:"";position:absolute;bottom:5px;left:50%;transform:translateX(-50%);
    width:6px;height:6px;border-radius:50%;background:var(--lime);
  }
}
@media (max-width:767px){
  .container{padding:0 20px}
  body{font-size:15px;line-height:1.75}
  .section{padding:56px 0}
  .cat-hero{padding:24px 0 48px}
  .card-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;gap:16px;margin-top:32px}
  .stat-num{font-size:22px}
  .list-item{grid-template-columns:44px 1fr 24px;gap:14px;padding:20px 8px}
  .list-num{font-size:20px}
  .list-item p{font-size:13.5px}
  .cta-band{padding:32px;border-radius:18px;gap:24px}
  .contact-card,.form-card{padding:24px}
  .form-row{grid-template-columns:1fr;gap:0}
  .hero-actions .btn{flex:1 1 100%}
  .section-head{margin-bottom:28px}
  .faq-q{font-size:16px;padding:18px 6px}
  .faq-a-inner{font-size:15px;padding:0 6px 20px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:479px){
  .cat-hero h1{font-size:30px}
  .chips{margin-bottom:24px}
  .card-body{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --paper:#F5F2EA;
  --paper-2:#ECE8DE;
  --surface:#FFFFFF;
  --ink:#141712;
  --ink-2:#2C3128;
  --muted:#6E746A;
  --forest:#0C2B21;
  --forest-2:#16453A;
  --lime:#C8F14B;
  --lime-soft:#E7FBB4;
  --clay:#D8542F;
  --line:#DFDACE;
  --line-dark:rgba(255,255,255,.14);
  --shadow-sm:0 1px 2px rgba(20,26,23,.06);
  --shadow-md:0 10px 28px -14px rgba(12,43,33,.20);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --container:1240px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
input,textarea{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
svg{display:block}
::selection{background:var(--lime);color:var(--forest)}
:focus-visible{outline:3px solid rgba(200,241,75,.6);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(245,242,234,.93);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-sm);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--forest);
  min-width:132px;
  transition:color .2s ease;
}
.brand:hover{color:var(--forest-2)}
.brand-dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(200,241,75,.28);
  flex:none;
}
.brand-text{white-space:nowrap}
.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin-inline:auto;
}
.nav-link{
  position:relative;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  width:0;height:2px;
  background:var(--lime);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .18s ease;
}
.nav-link:hover{color:var(--forest);background:var(--paper-2)}
.nav-link:hover::after{width:calc(100% - 28px)}
.nav-link.is-active{color:var(--forest);font-weight:600}
.nav-link.is-active::after{width:calc(100% - 28px)}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--forest);
  background:var(--surface);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:var(--paper-2);border-color:var(--forest);transform:translateY(-1px)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--forest);color:var(--lime);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--forest);border-color:var(--forest);color:var(--paper)}
.btn-outline-light{background:transparent;border-color:rgba(245,242,234,.5);color:var(--paper)}
.btn-outline-light:hover{background:var(--paper);border-color:var(--paper);color:var(--forest)}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--forest);
  padding:6px 2px;
  border-radius:6px;
  transition:color .2s ease;
}
.btn-text svg{transition:transform .2s ease}
.btn-text:hover{color:var(--forest-2);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.btn-text:hover svg{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}

/* ---------- breadcrumb ---------- */
.crumb{padding-top:22px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted);transition:color .18s ease}
.crumb a:hover{color:var(--forest);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:#B9B4A6}
.crumb .now{color:var(--ink-2);font-weight:600}

/* ---------- hero ---------- */
.hero-banner{
  margin-top:24px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  padding:44px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-sm);
}
.hero-copy .kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  color:var(--forest);
  background:var(--lime-soft);
  border-radius:6px;
  padding:5px 10px;
  margin-bottom:18px;
}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.025em;
  color:var(--ink);
}
.hero-copy .lead{
  margin-top:18px;
  max-width:36em;
  font-size:16px;
  line-height:1.8;
  color:var(--muted);
}
.hero-actions{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
}
.hero-facts{
  margin-top:32px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:14px 40px;
}
.fact-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:22px;
  font-weight:800;
  color:var(--forest);
  line-height:1.2;
}
.fact-label{font-size:12px;color:var(--muted);margin-top:2px}
.hero-figure{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--forest);
  min-height:clamp(280px,42vh,440px);
  background:var(--paper-2);
}
.hero-figure img{
  width:100%;height:100%;
  object-fit:cover;
  position:absolute;inset:0;
}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,43,33,0) 45%,rgba(12,43,33,.78) 100%);
}
.hero-tag{
  position:absolute;
  left:18px;top:18px;
  z-index:2;
  font-family:var(--font-mono);
  font-size:12px;
  padding:4px 9px;
  border-radius:6px;
  background:rgba(20,23,18,.6);
  color:#fff;
  letter-spacing:.04em;
}
.hero-cap{
  position:absolute;
  left:20px;right:20px;bottom:20px;
  z-index:2;
  color:var(--paper);
  font-size:15px;
  font-weight:600;
  line-height:1.6;
}
.hero-cap span{
  display:block;
  font-size:12.5px;
  font-weight:400;
  color:rgba(245,242,234,.78);
  margin-top:4px;
}

/* ---------- chips ---------- */
.chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:32px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink-2);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--forest);color:var(--forest);transform:translateY(-1px)}
.chip.is-on{background:var(--lime);border-color:var(--lime);color:var(--forest)}
.chip:active{transform:translateY(0)}

/* ---------- section ---------- */
.section{padding:80px 0 0}
.section:last-of-type{padding-bottom:0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(26px,3.4vw,40px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  color:var(--ink);
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  max-width:46em;
}

/* ---------- card grid ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.data-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.data-card:hover{
  border-color:var(--forest);
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}
.thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--paper-2);
}
.thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.data-card:hover .thumb img{transform:scale(1.03)}
.thumb .shot-tag{
  position:absolute;
  left:14px;top:14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  padding:3px 8px;
  border-radius:6px;
  background:rgba(20,23,18,.62);
  color:#fff;
}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.badge{
  display:inline-block;
  align-self:flex-start;
  font-size:12px;
  font-weight:600;
  color:var(--forest);
  background:var(--lime-soft);
  border-radius:6px;
  padding:3px 9px;
}
.card-body h3{
  margin-top:12px;
  font-size:19px;
  font-weight:600;
  line-height:1.4;
  color:var(--ink);
}
.card-body p{
  margin-top:9px;
  font-size:15px;
  line-height:1.75;
  color:var(--muted);
}
.card-meta{
  margin-top:auto;
  padding-top:16px;
  margin-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:var(--muted);
}
.card-meta .mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
}
.card-meta svg{color:var(--forest);transition:transform .2s ease}
.data-card:hover .card-meta svg{transform:translateX(4px)}

/* ---------- tick list ---------- */
.tick-list{
  border-top:1px solid var(--line);
  border-radius:4px;
  overflow:hidden;
}
.tick-item{
  display:grid;
  grid-template-columns:64px 1fr 24px;
  gap:20px;
  align-items:center;
  padding:22px 12px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.tick-item:hover{background:var(--paper-2)}
.tick-item .num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:600;
  color:#B9B4A6;
  line-height:1;
  transition:color .2s ease;
}
.tick-item:hover .num{color:var(--forest)}
.tick-item h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.tick-item p{font-size:14px;line-height:1.7;color:var(--muted);margin-top:2px}
.tick-item .go{color:var(--forest);transition:transform .2s ease}
.tick-item:hover .go{transform:translateX(4px)}

/* ---------- dark cta ---------- */
.dark-cta{
  margin-top:80px;
  background:var(--forest);
  border-radius:22px;
  padding:56px 48px;
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:40px;
  align-items:center;
  color:var(--paper);
  border:1px solid var(--forest-2);
}
.dark-cta h2{
  font-size:clamp(24px,3vw,36px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
}
.dark-cta p{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:rgba(245,242,234,.76);
  max-width:38em;
}
.dark-cta .actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.dark-cta .badge-dark{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  padding:4px 10px;
  border-radius:6px;
  background:rgba(255,255,255,.12);
  color:var(--paper);
  margin-bottom:16px;
}

/* ---------- faq ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:start;
}
.faq-aside h2{
  font-size:clamp(26px,3.4vw,40px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
}
.faq-aside p{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}
.faq-aside .btn-text{margin-top:18px}
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 10px;
  background:none;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  cursor:pointer;
  transition:background .2s ease;
}
.faq-q:hover{background:var(--paper-2)}
.faq-ic{position:relative;width:24px;height:24px;flex:none}
.faq-ic::before,.faq-ic::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--forest);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-ic::before{width:14px;height:2px}
.faq-ic::after{width:2px;height:14px;transition:transform .24s ease}
.faq-item.is-open .faq-ic::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{
  padding:0 10px 22px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
}
.faq-item.is-open .faq-a{max-height:420px}

/* ---------- form ---------- */
.form-wrap{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:48px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:44px;
  box-shadow:var(--shadow-sm);
}
.form-intro h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
}
.form-intro p{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}
.form-intro .meta-line{
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;margin-bottom:18px}
.field label{
  font-size:13px;
  font-weight:600;
  color:var(--ink-2);
  margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:#fff;
  color:var(--ink);
  font-size:15px;
  height:48px;
  padding:0 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{
  height:auto;
  min-height:118px;
  padding:12px 14px;
  line-height:1.7;
  resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:#A9A499}
.field input:hover,.field textarea:hover{border-color:#C7C1B2}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--forest);
  box-shadow:0 0 0 3px rgba(200,241,75,.35);
}
.form-success{
  display:flex;
  align-items:center;
  gap:10px;
  background:var(--lime-soft);
  color:var(--forest);
  border-radius:8px;
  padding:12px 16px;
  font-size:14px;
  font-weight:600;
  margin-bottom:18px;
}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}

/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;
  background:var(--forest);
  color:var(--paper);
  border-top:1px solid var(--line-dark);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand{color:var(--paper);margin-bottom:16px}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(245,242,234,.7);
  max-width:24em;
}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  color:var(--paper);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{
  font-size:14px;
  color:rgba(245,242,234,.72);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.footer-col address{
  font-style:normal;
  font-size:14px;
  line-height:1.9;
  color:rgba(245,242,234,.72);
}
.footer-bottom{
  margin-top:48px;
  padding:20px 0;
  border-top:1px solid var(--line-dark);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:rgba(245,242,234,.6);
}

/* ---------- mobile tab ---------- */
.mobile-tab{display:none}
.tab-inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  height:60px;
}
.tab-item{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  padding-bottom:10px;
  font-size:10px;
  color:var(--muted);
  transition:color .18s ease;
}
.tab-item svg{width:22px;height:22px;stroke-width:1.75}
.tab-item.is-active{color:var(--forest);font-weight:600}
.tab-item.is-active::after{
  content:"";
  position:absolute;
  bottom:3px;left:50%;
  transform:translateX(-50%);
  width:6px;height:6px;border-radius:50%;
  background:var(--lime);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px)}
.reveal.in{
  opacity:1;transform:none;
  transition:opacity .24s cubic-bezier(.22,.61,.36,1),transform .24s cubic-bezier(.22,.61,.36,1);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 32px}
  .main-nav{display:none}
  .header-inner{min-height:64px}
  .header-actions .btn{display:none}
  .brand{min-width:0}
  .mobile-tab{
    display:block;
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:80;
    background:#fff;
    border-top:1px solid var(--line);
    box-shadow:0 -2px 12px rgba(20,26,23,.06);
    padding-bottom:env(safe-area-inset-bottom);
  }
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
  .hero-banner{grid-template-columns:1fr;gap:32px;padding:32px}
  .hero-figure{min-height:280px;aspect-ratio:16/10}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .dark-cta{grid-template-columns:1fr;padding:40px 32px}
  .dark-cta .actions{justify-content:flex-start}
  .form-wrap{grid-template-columns:1fr;gap:32px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .site-footer{margin-top:72px;padding-top:48px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0 0}
  .chip{height:38px;padding:0 15px;font-size:13.5px}
  .chips{
    flex-wrap:nowrap;
    overflow-x:auto;
    padding-bottom:6px;
    scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .card-grid{grid-template-columns:1fr}
  .hero-banner{padding:24px;border-radius:16px}
  .hero-copy h1{font-size:clamp(28px,8vw,38px)}
  .hero-copy .lead{font-size:15px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-actions .btn-text{flex:1 1 100%;justify-content:center}
  .hero-facts{gap:12px 28px}
  .tick-item{grid-template-columns:44px 1fr 20px;gap:14px;padding:18px 8px}
  .tick-item .num{font-size:22px}
  .tick-item h3{font-size:16px}
  .dark-cta{padding:32px 24px;border-radius:18px;margin-top:56px}
  .form-wrap{padding:24px;border-radius:16px}
  .field-row{grid-template-columns:1fr;gap:0}
  .form-wrap .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:56px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --paper:#F5F2EA;
  --paper-2:#ECE8DE;
  --surface:#FFFFFF;
  --ink:#141712;
  --ink-2:#2C3128;
  --muted:#6E746A;
  --forest:#0C2B21;
  --forest-2:#16453A;
  --lime:#C8F14B;
  --lime-soft:#E7FBB4;
  --clay:#D8542F;
  --line:#DFDACE;
  --line-dark:rgba(255,255,255,.14);
  --shadow-sm:0 1px 2px rgba(20,26,23,.06);
  --shadow-md:0 10px 28px -14px rgba(12,43,33,.20);
  --r-card:16px;
  --r-thumb:12px;
  --r-input:10px;
  --r-pill:999px;
  --r-badge:6px;
  --sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,monospace;
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--forest);text-decoration:none;transition:color .18s ease,background-color .18s ease}
a:hover{color:var(--forest-2)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.02em;line-height:1.15}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(200,241,75,.6);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink)}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 40px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-block;font-family:var(--mono);font-size:12px;font-weight:600;
  letter-spacing:.08em;color:var(--forest);background:var(--lime-soft);
  padding:5px 10px;border-radius:var(--r-badge);text-transform:uppercase;
}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,242,234,.94);
  backdrop-filter:saturate(160%) blur(9px);
  -webkit-backdrop-filter:saturate(160%) blur(9px);
  transition:box-shadow .22s ease,border-color .22s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:9px;min-width:132px;color:var(--ink);font-weight:800;letter-spacing:-.02em}
.brand-dot{width:9px;height:9px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 3px rgba(200,241,75,.22);flex:none}
.brand-text{font-size:18px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 14px;font-size:15px;font-weight:600;color:var(--ink-2);
  border-radius:8px;transition:color .18s ease,background-color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;height:2px;width:0;
  background:var(--lime);border-radius:2px;transform:translateX(-50%);
  transition:width .16s ease;
}
.nav-link:hover{color:var(--forest);background:var(--paper-2)}
.nav-link:hover::after{width:22px}
.nav-link.is-active{color:var(--forest);font-weight:600}
.nav-link.is-active::after{width:22px}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;color:var(--forest);background:var(--surface);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn:hover{background:var(--forest);color:var(--lime);border-color:var(--forest);transform:translateY(-1px)}
.icon-btn:active{transform:translateY(0)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);border:1px solid transparent;
  font-weight:600;font-size:15px;letter-spacing:0;text-align:center;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:var(--forest);color:var(--lime);border-color:var(--forest);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--forest);color:var(--paper);border-color:var(--forest);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:transparent;color:var(--paper);border-color:rgba(245,242,234,.55)}
.btn-light:hover{background:var(--paper);color:var(--forest);border-color:var(--paper);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--forest);
  background:none;border:none;padding:0;
}
.btn-link svg{transition:transform .18s ease}
.btn-link:hover svg{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted);font-weight:600}
.crumb a:hover{color:var(--forest);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{opacity:.55}
.crumb .current{color:var(--ink-2);font-weight:600}

/* ---------- category hero ---------- */
.cat-hero{position:relative;padding:56px 0 64px;overflow:hidden}
.cat-hero::before{
  content:"GUIDE";position:absolute;top:-18px;right:-10px;
  font-family:var(--mono);font-size:clamp(90px,16vw,210px);font-weight:800;
  letter-spacing:-.04em;color:var(--ink);opacity:.035;pointer-events:none;line-height:1;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative}
.cat-hero h1{font-size:clamp(32px,4.6vw,56px);line-height:1.06;letter-spacing:-.03em;margin:16px 0 18px}
.cat-hero h1 .accent{color:var(--forest);position:relative;white-space:nowrap}
.cat-hero h1 .accent::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
  background:var(--lime);opacity:.55;border-radius:3px;z-index:-1;
}
.hero-lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:540px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:32px}
.hero-stats{display:flex;gap:36px;padding-top:22px;border-top:1px solid var(--line);flex-wrap:wrap}
.stat-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;color:var(--forest);line-height:1.1}
.stat-label{display:block;font-size:12px;color:var(--muted);font-weight:600;margin-top:4px}
.hero-visual{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line-dark);box-shadow:var(--shadow-md);aspect-ratio:16/11;background:var(--paper-2)}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,43,33,0) 40%,rgba(12,43,33,.82) 100%);
}
.hero-overlay{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:var(--paper);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.hero-overlay strong{display:block;font-size:15px;font-weight:600}
.hero-overlay span{display:block;font-size:12px;color:rgba(245,242,234,.72);font-family:var(--mono);letter-spacing:.06em}
.play-btn{
  width:46px;height:46px;flex:none;border-radius:50%;background:var(--lime);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;border:none;
  transition:transform .2s ease,background-color .2s ease;
}
.play-btn:hover{background:var(--paper);transform:scale(1.06)}
.play-btn:active{transform:scale(.98)}

/* ---------- chips ---------- */
.chips-row{display:flex;gap:10px;overflow-x:auto;padding:6px 0 10px;scrollbar-width:none;-ms-overflow-style:none}
.chips-row::-webkit-scrollbar{display:none}
.chip{
  flex:none;display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);color:var(--ink-2);font-size:14px;font-weight:600;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{background:var(--paper-2);border-color:var(--forest);transform:translateY(-1px)}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.chip.is-active:hover{background:var(--lime)}

/* ---------- card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.guide-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.guide-card:hover{transform:translateY(-2px);border-color:var(--forest);box-shadow:var(--shadow-md)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.guide-card:hover .card-thumb img{transform:scale(1.03)}
.card-time{
  position:absolute;left:14px;top:14px;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:12px;font-weight:600;color:#fff;background:rgba(20,23,18,.62);
  padding:4px 8px;border-radius:var(--r-badge);letter-spacing:.04em;
}
.card-live{
  position:absolute;right:14px;top:14px;font-size:12px;font-weight:600;color:#fff;
  background:var(--clay);padding:4px 9px;border-radius:var(--r-badge);
}
.card-body{padding:24px 24px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--forest);
  background:var(--lime-soft);padding:4px 9px;border-radius:var(--r-badge);
}
.card-body h3{font-size:20px;font-weight:600;line-height:1.4;letter-spacing:-.01em}
.card-body p{font-size:15px;line-height:1.75;color:var(--muted);margin:0}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12px;color:var(--muted);font-family:var(--mono);letter-spacing:.04em;
}
.card-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--forest);font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:0}
.guide-card:hover .card-foot .go svg{transform:translateX(4px)}
.card-foot .go svg{transition:transform .18s ease}

/* ---------- ranked list ---------- */
.rank-block{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.rank-item{
  display:grid;grid-template-columns:64px 1fr 32px;align-items:center;gap:18px;
  padding:22px 26px;border-bottom:1px solid var(--line);transition:background-color .18s ease;
}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{background:var(--paper-2)}
.rank-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;
  color:var(--muted);letter-spacing:-.03em;transition:color .18s ease;
}
.rank-item:hover .rank-num{color:var(--forest)}
.rank-title{font-size:17px;font-weight:600;color:var(--ink);display:block;margin-bottom:2px}
.rank-desc{font-size:14px;color:var(--muted);margin:0;line-height:1.7}
.rank-arrow{color:var(--forest);display:inline-flex;transition:transform .18s ease}
.rank-item:hover .rank-arrow{transform:translateX(4px)}

/* ---------- cover wall ---------- */
.cover-wall{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 20px;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none}
.cover-wall::-webkit-scrollbar{display:none}
.cover-card{
  position:relative;flex:0 0 clamp(220px,23%,280px);aspect-ratio:9/16;border-radius:18px;overflow:hidden;
  scroll-snap-align:start;background:var(--forest);box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.cover-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.cover-card img{width:100%;height:100%;object-fit:cover;transition:transform .34s ease}
.cover-card:hover img{transform:scale(1.03)}
.cover-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,43,33,0) 30%,rgba(12,43,33,.9) 100%);
}
.cover-meta{position:absolute;left:16px;right:16px;bottom:18px;z-index:2;color:var(--paper)}
.cover-meta strong{display:block;font-size:16px;font-weight:600;line-height:1.45;margin-bottom:4px}
.cover-meta span{font-size:12px;color:rgba(245,242,234,.72);font-family:var(--mono);letter-spacing:.06em}
.cover-play{
  position:absolute;right:14px;bottom:14px;z-index:3;width:40px;height:40px;border-radius:50%;
  background:var(--lime);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  border:none;transition:transform .2s ease,background-color .2s ease;
}
.cover-play:hover{background:var(--paper);transform:scale(1.06)}
.cover-dur{
  position:absolute;left:14px;top:14px;z-index:3;font-family:var(--mono);font-size:12px;font-weight:600;
  background:rgba(20,23,18,.6);color:#fff;padding:4px 8px;border-radius:var(--r-badge);
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.faq-aside h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:16px}
.faq-aside p{color:var(--muted);max-width:360px}
.faq-contact{margin-top:26px;padding:20px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card)}
.faq-contact .k{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.06em;font-family:var(--mono)}
.faq-contact .v{font-size:18px;font-weight:600;color:var(--forest);font-family:var(--mono);font-variant-numeric:tabular-nums}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 8px;background:none;border:none;text-align:left;
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  transition:background-color .18s ease,padding-left .18s ease;
}
.faq-q:hover{background:var(--paper-2);padding-left:14px}
.faq-icon{
  flex:none;width:24px;height:24px;position:relative;color:var(--forest);
  transition:transform .24s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:2px;right:2px;top:11px;height:2px}
.faq-icon::after{top:2px;bottom:2px;left:11px;width:2px;transition:opacity .24s ease,transform .24s ease}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0;transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s cubic-bezier(.22,.61,.36,1)}
.faq-a-inner{padding:0 8px 24px;color:var(--muted);font-size:16px;line-height:1.85;max-width:640px}
.faq-item.is-open .faq-q{color:var(--forest)}

/* ---------- dark CTA + form ---------- */
.cta-dark{background:var(--forest);color:var(--paper);position:relative;overflow:hidden}
.cta-dark::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border:1px solid var(--line-dark);border-radius:50%;pointer-events:none;
}
.cta-dark::after{
  content:"";position:absolute;right:-40px;bottom:-160px;width:320px;height:320px;
  border:1px solid var(--line-dark);border-radius:50%;pointer-events:none;
}
.cta-grid{display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:start;position:relative;z-index:2}
.cta-dark h2{color:var(--paper);font-size:clamp(26px,3.2vw,38px);margin-bottom:16px}
.cta-dark p.lead{color:rgba(245,242,234,.76);font-size:16px;max-width:460px;margin-bottom:26px}
.cta-points{display:flex;flex-direction:column;gap:14px;margin-bottom:30px}
.cta-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:rgba(245,242,234,.88)}
.cta-points svg{flex:none;color:var(--lime);margin-top:4px}
.form-card{
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);border-radius:var(--r-card);
  padding:28px;color:var(--paper);
}
.form-card h3{color:var(--paper);font-size:19px;font-weight:600;margin-bottom:6px}
.form-card .form-sub{font-size:13px;color:rgba(245,242,234,.62);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:rgba(245,242,234,.86);margin-bottom:8px}
.field input,.field textarea{
  width:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-input);
  padding:12px 14px;color:var(--ink);font-size:15px;line-height:1.6;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9A9F95}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--forest);box-shadow:0 0 0 3px rgba(200,241,75,.35);
}
.field.has-error input,.field.has-error textarea{border-color:var(--clay);box-shadow:none}
.field-error{display:none;margin-top:6px;font-size:13px;color:#F0A08C}
.field.has-error .field-error{display:block}
.form-note{font-size:12px;color:rgba(245,242,234,.5);margin-top:14px;line-height:1.7}
.form-success{
  display:none;background:var(--lime-soft);color:var(--forest);border-radius:8px;
  padding:12px 14px;font-size:14px;font-weight:600;margin-bottom:16px;
}
.form-success.is-visible{display:block}
.form-card .btn-primary{width:100%}

/* ---------- footer ---------- */
.site-footer{background:var(--forest);color:rgba(245,242,234,.78);padding:72px 0 0;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:52px}
.footer-brand .brand{color:var(--paper);margin-bottom:18px}
.footer-brand .brand-text{color:var(--paper)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(245,242,234,.66);max-width:300px}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.06em;color:rgba(245,242,234,.5);margin-bottom:18px;font-family:var(--mono);text-transform:uppercase}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{color:rgba(245,242,234,.82);font-size:15px}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.footer-col address{font-style:normal;font-size:15px;line-height:2;color:rgba(245,242,234,.72)}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(245,242,234,.52);
}
.footer-bottom span{font-family:var(--mono);letter-spacing:.03em}

/* ---------- mobile tab + sticky bar ---------- */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:var(--surface);border-top:1px solid var(--line);box-shadow:var(--shadow-sm);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-inner{display:grid;grid-template-columns:repeat(4,1fr);height:60px}
.tab-link{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  color:var(--muted);font-size:10px;font-weight:600;letter-spacing:0;position:relative;
  transition:color .18s ease;
}
.tab-link svg{width:24px;height:24px;stroke-width:1.75}
.tab-link::after{
  content:"";position:absolute;bottom:8px;width:6px;height:6px;border-radius:50%;
  background:transparent;transition:background-color .18s ease;
}
.tab-link.is-active{color:var(--forest)}
.tab-link.is-active::after{background:var(--lime)}
.tab-link:active{color:var(--forest)}
.sticky-bar{
  display:none;position:fixed;left:0;right:0;bottom:calc(60px + env(safe-area-inset-bottom));z-index:79;
  background:var(--forest);color:var(--paper);padding:8px 16px;
  align-items:center;justify-content:space-between;gap:12px;
  transform:translateY(120%);transition:transform .28s cubic-bezier(.22,.61,.36,1);
}
.sticky-bar.is-visible{transform:translateY(0)}
.sticky-bar span{font-size:13px;font-weight:600;color:rgba(245,242,234,.86)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .24s cubic-bezier(.22,.61,.36,1),transform .24s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:translateY(0)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
}
@media (max-width:1023px){
  .container{padding:0 32px}
  .section{padding:72px 0}
  .header-inner{height:64px;gap:16px}
  .main-nav{display:none}
  .header-actions .btn-sm{display:none}
  .header-actions{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{aspect-ratio:16/9;max-width:640px}
  .card-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1/-1}
  .mobile-tab{display:block}
  .sticky-bar{display:flex}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom) + 56px)}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  body{font-size:15px;line-height:1.75}
  .cat-hero{padding:36px 0 44px}
  .cat-hero h1{margin:14px 0 14px}
  .hero-lead{font-size:15.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:24px}
  .stat-num{font-size:22px}
  .card-body{padding:20px}
  .card-body h3{font-size:18px}
  .rank-item{grid-template-columns:44px 1fr 24px;gap:12px;padding:18px 18px}
  .rank-num{font-size:20px}
  .rank-title{font-size:16px}
  .cover-card{flex:0 0 74%}
  .faq-q{font-size:16px;padding:18px 4px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-dark::before,.cta-dark::after{display:none}
}
@media (max-width:479px){
  .hero-stats{gap:18px}
  .stat-num{font-size:20px}
  .chip{padding:8px 14px;font-size:13px}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}