/* roulang page: index */
:root{
  --hh-brand-900:#0C3A2E;
  --hh-brand-700:#145445;
  --hh-brand-500:#1E7A61;
  --hh-accent:#E2571E;
  --hh-accent-hover:#C44714;
  --hh-bg:#F7F6F2;
  --hh-surface:#FFFFFF;
  --hh-surface-2:#F0EFEA;
  --hh-surface-3:#FAFAF8;
  --hh-ink:#10130F;
  --hh-muted:#5C6660;
  --hh-line:#E3E5E0;
  --hh-radius-card:14px;
  --hh-radius-img:16px;
  --hh-radius-btn:10px;
  --hh-shadow:0 1px 2px rgba(16,19,15,.06);
  --hh-shadow-hover:0 10px 28px rgba(16,19,15,.10);
  --hh-ease:cubic-bezier(.2,.7,.3,1);
  --hh-side-w:236px;
  --hh-side-w-min:88px;
  --hh-gutter:24px;
  --hh-maxw:1240px;
  --hh-readw:760px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--hh-bg);
  color:var(--hh-ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure,dl,dd{margin:0;}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;font-weight:800;}
:focus-visible{outline:2px solid var(--hh-accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(226,87,30,.18);}

.hh-container{
  width:100%;
  max-width:var(--hh-maxw);
  margin:0 auto;
  padding:0 32px;
}
.hh-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* ---------- 左侧竖向导航 ---------- */
.hh-sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--hh-side-w);
  background:var(--hh-brand-900);
  color:#fff;
  display:flex;
  flex-direction:column;
  padding:26px 0 20px;
  z-index:80;
}
.hh-brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 18px 22px;
  border-bottom:1px solid rgba(255,255,255,.10);
  margin-bottom:18px;
}
.hh-brand-mark{
  flex:0 0 38px;
  width:38px;height:38px;
  border-radius:11px;
  background:var(--hh-accent);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;
  letter-spacing:0;
}
.hh-brand-text{display:flex;flex-direction:column;line-height:1.25;}
.hh-brand-text b{font-size:15.5px;font-weight:800;letter-spacing:-.01em;}
.hh-brand-text i{
  font-style:normal;
  font-size:11.5px;
  letter-spacing:.16em;
  color:rgba(255,255,255,.6);
}
.hh-nav{display:flex;flex-direction:column;gap:2px;padding:0 10px;}
.hh-nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:11px;
  height:44px;
  padding:0 12px;
  border-radius:9px;
  font-size:14.5px;
  font-weight:500;
  color:rgba(255,255,255,.74);
  transition:background .18s var(--hh-ease),color .18s var(--hh-ease);
}
.hh-nav a::before{
  content:"";
  position:absolute;
  left:-10px;top:50%;
  transform:translateY(-50%) scaleY(.2);
  width:3px;height:22px;
  border-radius:2px;
  background:var(--hh-accent);
  opacity:0;
  transition:opacity .18s var(--hh-ease),transform .18s var(--hh-ease);
}
.hh-nav a:hover{background:rgba(255,255,255,.07);color:#fff;}
.hh-nav a:hover::before{opacity:1;transform:translateY(-50%) scaleY(1);}
.hh-nav a.is-active{background:rgba(255,255,255,.11);color:#fff;font-weight:600;}
.hh-nav a.is-active::before{opacity:1;transform:translateY(-50%) scaleY(1);}
.hh-nav .hh-nav-ico{
  flex:0 0 18px;
  width:18px;height:18px;
  opacity:.9;
}
.hh-nav .hh-nav-ico svg{width:18px;height:18px;display:block;}
.hh-sidebar-foot{margin-top:auto;padding:18px 18px 0;border-top:1px solid rgba(255,255,255,.10);}
.hh-side-dl{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;width:100%;
  border-radius:var(--hh-radius-btn);
  background:var(--hh-accent);
  color:#fff;font-size:14.5px;font-weight:700;
  transition:background .18s var(--hh-ease),transform .18s var(--hh-ease);
}
.hh-side-dl:hover{background:var(--hh-accent-hover);transform:translateY(-1px);}
.hh-side-dl:active{transform:translateY(1px);}
.hh-side-contact{
  display:block;
  margin-top:12px;
  font-size:12.5px;
  color:rgba(255,255,255,.58);
  line-height:1.6;
  transition:color .18s var(--hh-ease);
}
.hh-side-contact:hover{color:var(--hh-accent);}

/* ---------- 移动端顶栏 ---------- */
.hh-topbar{
  display:none;
  position:sticky;
  top:0;z-index:90;
  height:60px;
  background:var(--hh-brand-900);
  color:#fff;
  align-items:center;
  justify-content:space-between;
  padding:0 18px;
  box-shadow:0 1px 0 rgba(0,0,0,.12);
}
.hh-topbar-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15px;}
.hh-topbar-brand .hh-brand-mark{flex:0 0 30px;width:30px;height:30px;border-radius:9px;font-size:14px;}
.hh-burger{
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;
  transition:background .18s var(--hh-ease);
}
.hh-burger:hover{background:rgba(255,255,255,.10);}
.hh-burger span{position:relative;display:block;width:17px;height:2px;background:#fff;border-radius:2px;}
.hh-burger span::before,.hh-burger span::after{
  content:"";position:absolute;left:0;width:17px;height:2px;background:#fff;border-radius:2px;
}
.hh-burger span::before{top:-5.5px;}
.hh-burger span::after{top:5.5px;}

.hh-drawer{
  position:fixed;
  inset:0;
  background:var(--hh-brand-900);
  color:#fff;
  z-index:100;
  padding:22px 20px 26px;
  display:flex;
  flex-direction:column;
  transform:translateX(100%);
  transition:transform .2s var(--hh-ease);
  overflow-y:auto;
}
.hh-drawer.is-open{transform:translateX(0);}
.hh-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.hh-drawer-close{
  width:40px;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;line-height:1;
}
.hh-drawer-nav{display:flex;flex-direction:column;}
.hh-drawer-nav a{
  display:flex;align-items:center;
  height:48px;
  font-size:16px;
  color:rgba(255,255,255,.8);
  border-bottom:1px solid rgba(255,255,255,.09);
  transition:color .18s var(--hh-ease),padding-left .18s var(--hh-ease);
}
.hh-drawer-nav a:hover,.hh-drawer-nav a.is-active{color:#fff;padding-left:6px;}
.hh-drawer-foot{margin-top:auto;padding-top:22px;}
body.hh-lock{overflow:hidden;}

/* ---------- 主内容 ---------- */
.hh-main{margin-left:var(--hh-side-w);}
.hh-section{padding:96px 0;}
.hh-section--tight{padding:72px 0;}
.hh-section-head{max-width:720px;margin-bottom:44px;}
.hh-section-head h2{font-size:clamp(24px,2.8vw,36px);}
.hh-section-head p{margin-top:14px;color:var(--hh-muted);font-size:16px;}
.hh-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--hh-accent);
  text-transform:uppercase;
  margin-bottom:16px;
}
.hh-eyebrow::before{content:"";width:22px;height:2px;background:var(--hh-accent);border-radius:2px;}

/* ---------- Hero ---------- */
.hh-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--hh-bg) 100%);
  padding:72px 0 0;
  border-bottom:1px solid var(--hh-line);
}
.hh-hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
}
.hh-hero h1{
  font-size:clamp(32px,4.4vw,54px);
  font-weight:800;
  letter-spacing:-.02em;
  max-width:16em;
}
.hh-hero-lead{
  margin-top:20px;
  font-size:17.5px;
  line-height:1.85;
  color:var(--hh-muted);
  max-width:34em;
}
.hh-badges{
  display:flex;flex-wrap:wrap;
  align-items:center;
  margin-top:26px;
  border-top:1px solid var(--hh-line);
  border-bottom:1px solid var(--hh-line);
  padding:12px 0;
}
.hh-badges li{
  position:relative;
  font-size:13.5px;
  font-weight:600;
  color:var(--hh-brand-700);
  padding:0 18px;
}
.hh-badges li:first-child{padding-left:0;}
.hh-badges li+li::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:12px;background:var(--hh-line);
}
.hh-hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.hh-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 26px;
  border-radius:var(--hh-radius-btn);
  font-size:15.5px;font-weight:700;
  transition:background .2s var(--hh-ease),color .2s var(--hh-ease),border-color .2s var(--hh-ease),transform .2s var(--hh-ease),box-shadow .2s var(--hh-ease);
  white-space:nowrap;
}
.hh-btn svg{width:17px;height:17px;flex:0 0 17px;}
.hh-btn-primary{background:var(--hh-accent);color:#fff;box-shadow:0 1px 2px rgba(226,87,30,.28);}
.hh-btn-primary:hover{background:var(--hh-accent-hover);transform:translateY(-2px);box-shadow:0 10px 24px rgba(226,87,30,.24);}
.hh-btn-primary:active{transform:translateY(1px);}
.hh-btn-primary .hh-arrow{transition:transform .2s var(--hh-ease);}
.hh-btn-primary:hover .hh-arrow{transform:translateX(4px);}
.hh-btn-ghost{background:transparent;color:var(--hh-brand-900);border:1px solid rgba(12,58,46,.32);}
.hh-btn-ghost:hover{background:rgba(12,58,46,.07);border-color:var(--hh-brand-900);transform:translateY(-2px);}
.hh-btn-ghost:active{transform:translateY(1px);}
.hh-btn[disabled]{opacity:.4;pointer-events:none;}

.hh-hero-media{position:relative;}
.hh-hero-media .hh-hero-img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  border-radius:var(--hh-radius-img);
  border:1px solid var(--hh-line);
  box-shadow:var(--hh-shadow);
}
.hh-hero-media::after{
  content:"";
  position:absolute;
  left:-14px;top:-14px;
  width:110px;height:110px;
  border-left:1px solid var(--hh-line);
  border-top:1px solid var(--hh-line);
  border-radius:6px 0 0 0;
  pointer-events:none;
}
.hh-float-card{
  position:absolute;
  right:-14px;bottom:24px;
  background:var(--hh-surface);
  border:1px solid var(--hh-line);
  border-radius:12px;
  padding:14px 18px;
  box-shadow:var(--hh-shadow-hover);
  min-width:168px;
}
.hh-float-card dt{font-size:12px;color:var(--hh-muted);letter-spacing:.02em;}
.hh-float-card dd{font-size:19px;font-weight:800;margin-top:2px;}
.hh-float-card dd span{font-size:12.5px;font-weight:600;color:var(--hh-muted);margin-left:6px;}
.hh-float-card .hh-float-row+.hh-float-row{margin-top:10px;padding-top:10px;border-top:1px solid var(--hh-line);}

.hh-trust{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:64px;
  border-top:1px solid var(--hh-line);
}
.hh-trust-item{
  padding:26px 24px 30px 0;
  border-right:1px solid var(--hh-line);
}
.hh-trust-item:last-child{border-right:0;}
.hh-trust-item strong{
  display:block;
  font-size:32px;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.1;
}
.hh-trust-item strong em{font-style:normal;font-size:18px;font-weight:700;color:var(--hh-accent);margin-left:2px;}
.hh-trust-item span{display:block;margin-top:6px;font-size:13px;color:var(--hh-muted);}

/* ---------- 编号价值列表 ---------- */
.hh-values{border-top:1px solid var(--hh-line);}
.hh-value-row{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:28px;
  align-items:start;
  padding:30px 0;
  border-bottom:1px solid var(--hh-line);
  transition:transform .2s var(--hh-ease),background .2s var(--hh-ease);
}
.hh-value-row:hover{transform:translateX(4px);}
.hh-value-num{
  font-size:44px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.03em;
  color:#D6D9D2;
  transition:color .2s var(--hh-ease);
  font-variant-numeric:tabular-nums;
}
.hh-value-row:hover .hh-value-num{color:var(--hh-accent);}
.hh-value-body h3{font-size:19px;font-weight:700;}
.hh-value-body p{margin-top:10px;color:var(--hh-muted);font-size:15.5px;max-width:56em;}

/* ---------- 功能截图轮播 ---------- */
.hh-carousel{position:relative;}
.hh-track{
  display:flex;
  gap:22px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 2px 22px;
  scrollbar-width:none;
}
.hh-track::-webkit-scrollbar{display:none;}
.hh-shot{
  flex:0 0 380px;
  scroll-snap-align:start;
  background:var(--hh-surface);
  border:1px solid var(--hh-line);
  border-radius:var(--hh-radius-card);
  overflow:hidden;
  box-shadow:var(--hh-shadow);
  transition:transform .22s var(--hh-ease),box-shadow .22s var(--hh-ease);
}
.hh-shot:hover{transform:translateY(-2px);box-shadow:var(--hh-shadow-hover);}
.hh-shot img{width:100%;aspect-ratio:16 / 9;object-fit:cover;}
.hh-shot figcaption{padding:14px 16px 16px;}
.hh-shot figcaption b{display:block;font-size:15.5px;font-weight:700;}
.hh-shot figcaption span{display:block;margin-top:4px;font-size:13px;color:var(--hh-muted);}
.hh-car-btn{
  position:absolute;
  top:38%;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--hh-line);
  background:var(--hh-surface);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;line-height:1;
  color:var(--hh-brand-900);
  z-index:5;
  transition:background .18s var(--hh-ease),color .18s var(--hh-ease),border-color .18s var(--hh-ease),transform .18s var(--hh-ease);
}
.hh-car-btn:hover{background:var(--hh-accent);border-color:var(--hh-accent);color:#fff;transform:translateY(-1px);}
.hh-car-btn.prev{left:-16px;}
.hh-car-btn.next{right:-16px;}
.hh-dots{display:flex;gap:8px;margin-top:6px;}
.hh-dots button{
  width:26px;height:4px;border-radius:3px;
  background:var(--hh-line);
  transition:background .2s var(--hh-ease),width .2s var(--hh-ease);
}
.hh-dots button.is-active{background:var(--hh-accent);width:38px;}

/* ---------- 系统要求 定义列表 ---------- */
.hh-spec-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:36px;
}
.hh-spec-col h3{
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--hh-accent);
  padding-bottom:14px;
  border-bottom:1px solid var(--hh-line);
}
.hh-spec-col dl{margin-top:6px;}
.hh-spec-col .hh-spec-row{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:16px;
  padding:14px 0;
  border-bottom:1px solid var(--hh-line);
  font-size:14.5px;
}
.hh-spec-col dt{color:var(--hh-muted);font-size:13.5px;}
.hh-spec-col dd{font-weight:500;color:var(--hh-ink);}

/* ---------- 评价墙 ---------- */
.hh-reviews{columns:3;column-gap:24px;}
.hh-review{
  break-inside:avoid;
  background:var(--hh-surface);
  border:1px solid var(--hh-line);
  border-radius:var(--hh-radius-card);
  padding:22px;
  margin-bottom:24px;
  box-shadow:var(--hh-shadow);
  transition:transform .22s var(--hh-ease),box-shadow .22s var(--hh-ease);
}
.hh-review:hover{transform:translateY(-2px);box-shadow:var(--hh-shadow-hover);}
.hh-stars{display:flex;gap:3px;color:var(--hh-accent);font-size:13px;letter-spacing:2px;}
.hh-review p{margin-top:12px;font-size:15px;line-height:1.8;color:#2C3330;}
.hh-review-foot{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--hh-line);}
.hh-avatar{
  flex:0 0 36px;width:36px;height:36px;border-radius:50%;
  background:rgba(30,122,97,.12);
  color:var(--hh-brand-700);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;
}
.hh-review-foot b{display:block;font-size:14px;font-weight:600;}
.hh-review-foot span{display:block;font-size:12.5px;color:var(--hh-muted);}

/* ---------- 下载区 ---------- */
.hh-download{
  background:var(--hh-surface);
  border:1px solid var(--hh-line);
  border-radius:20px;
  padding:48px;
  box-shadow:var(--hh-shadow);
}
.hh-dl-layout{
  display:grid;
  grid-template-columns:1fr 120px;
  gap:48px;
  align-items:center;
}
.hh-dl-copy h2{font-size:clamp(24px,2.8vw,32px);}
.hh-dl-copy p{margin-top:14px;color:var(--hh-muted);font-size:15.5px;max-width:44em;}
.hh-dl-main{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap;}
.hh-platforms{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  margin-top:28px;
}
.hh-platform{
  display:flex;
  align-items:center;
  gap:11px;
  padding:14px 16px;
  border:1px solid var(--hh-line);
  border-radius:12px;
  background:var(--hh-surface-3);
  transition:border-color .2s var(--hh-ease),background .2s var(--hh-ease),transform .2s var(--hh-ease);
}
.hh-platform:hover{border-color:var(--hh-brand-500);background:#fff;transform:translateY(-2px);}
.hh-platform svg{width:20px;height:20px;flex:0 0 20px;color:var(--hh-brand-700);}
.hh-platform b{display:block;font-size:14px;font-weight:700;line-height:1.3;}
.hh-platform span{display:block;font-size:12px;color:var(--hh-muted);font-variant-numeric:tabular-nums;}
.hh-qr{
  width:120px;height:120px;
  border:1px solid var(--hh-line);
  border-radius:12px;
  background:
    repeating-linear-gradient(0deg,#10130F 0 3px,transparent 3px 7px),
    repeating-linear-gradient(90deg,#10130F 0 3px,transparent 3px 7px),
    var(--hh-surface-3);
  background-blend-mode:multiply;
  opacity:.9;
}
.hh-qr-wrap{text-align:center;}
.hh-qr-wrap small{display:block;margin-top:10px;font-size:12px;color:var(--hh-muted);}

/* ---------- 最新信息 ---------- */
.hh-news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.hh-news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.hh-news-card{
  background:var(--hh-surface);
  border:1px solid var(--hh-line);
  border-radius:var(--hh-radius-card);
  overflow:hidden;
  box-shadow:var(--hh-shadow);
  transition:transform .22s var(--hh-ease),box-shadow .22s var(--hh-ease),border-color .22s var(--hh-ease);
  display:flex;
}
.hh-news-card:hover{transform:translateY(-2px);box-shadow:var(--hh-shadow-hover);border-color:#D5D8D0;}
.hh-news-link{display:flex;flex-direction:column;width:100%;}
.hh-news-cover{position:relative;background:var(--hh-surface-2);}
.hh-news-cover img{width:100%;aspect-ratio:16 / 9;object-fit:cover;}
.hh-news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.hh-pill{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  padding:3px 11px;
  border-radius:999px;
  background:rgba(226,87,30,.10);
  color:var(--hh-accent);
  font-size:12px;
  font-weight:700;
}
.hh-news-body h3{
  margin-top:12px;
  font-size:17.5px;
  font-weight:700;
  line-height:1.45;
  letter-spacing:-.01em;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.hh-news-body p{
  margin-top:10px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--hh-muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.hh-news-foot{
  margin-top:auto;
  padding-top:16px;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;
  color:var(--hh-muted);
}
.hh-news-foot time{font-variant-numeric:tabular-nums;}
.hh-news-foot .hh-go{
  display:inline-flex;align-items:center;gap:5px;
  font-weight:700;color:var(--hh-brand-700);
  transition:color .18s var(--hh-ease),transform .18s var(--hh-ease);
}
.hh-news-card:hover .hh-news-foot .hh-go{color:var(--hh-accent);transform:translateX(3px);}
.hh-empty{
  padding:64px 24px;
  text-align:center;
  border:1px dashed var(--hh-line);
  border-radius:var(--hh-radius-card);
  background:var(--hh-surface);
}
.hh-empty svg{width:34px;height:34px;color:var(--hh-line);margin:0 auto 14px;}
.hh-empty p{font-size:15px;color:var(--hh-muted);}

/* ---------- FAQ ---------- */
.hh-faq{border-top:1px solid var(--hh-line);}
.hh-faq-item{border-bottom:1px solid var(--hh-line);}
.hh-faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--hh-ink);
  transition:color .18s var(--hh-ease);
}
.hh-faq-q:hover{color:var(--hh-accent);}
.hh-faq-icon{
  flex:0 0 22px;width:22px;height:22px;
  position:relative;
  transition:transform .2s var(--hh-ease);
}
.hh-faq-icon::before,.hh-faq-icon::after{
  content:"";position:absolute;background:var(--hh-accent);border-radius:2px;
}
.hh-faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.hh-faq-icon::after{left:10px;top:0;width:2px;height:22px;transition:opacity .2s var(--hh-ease);}
.hh-faq-item.is-open .hh-faq-icon{transform:rotate(45deg);}
.hh-faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s var(--hh-ease);
}
.hh-faq-a-inner{
  background:var(--hh-surface-3);
  border-radius:10px;
  padding:16px 20px;
  margin-bottom:22px;
  font-size:15px;
  line-height:1.85;
  color:var(--hh-muted);
}

/* ---------- CTA 条 ---------- */
.hh-cta{
  background:var(--hh-brand-900);
  border-radius:20px;
  padding:48px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  position:relative;
  overflow:hidden;
}
.hh-cta::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:260px;height:260px;
  border:1px solid rgba(255,255,255,.10);
  border-radius:50%;
}
.hh-cta h2{font-size:clamp(22px,2.6vw,30px);color:#fff;position:relative;z-index:1;}
.hh-cta p{margin-top:10px;color:rgba(255,255,255,.72);font-size:15px;max-width:38em;position:relative;z-index:1;}
.hh-cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.hh-btn-light{background:#fff;color:var(--hh-brand-900);}
.hh-btn-light:hover{background:#F0EFEA;transform:translateY(-2px);}
.hh-btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.36);}
.hh-btn-outline-light:hover{background:rgba(255,255,255,.10);border-color:#fff;transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.hh-footer{
  background:var(--hh-brand-900);
  color:#fff;
  margin-top:96px;
  padding:72px 0 0;
}
.hh-footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:52px;
}
.hh-footer h4{
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.08em;
  color:#fff;
  margin-bottom:18px;
}
.hh-footer p,.hh-footer li,.hh-footer a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  line-height:1.9;
}
.hh-footer a{transition:color .18s var(--hh-ease);}
.hh-footer a:hover{color:var(--hh-accent);}
.hh-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.hh-footer-brand b{font-size:16px;font-weight:800;color:#fff;}
.hh-footer-links li{margin-bottom:9px;}
.hh-footer-contact li{display:flex;gap:9px;margin-bottom:11px;align-items:flex-start;}
.hh-footer-contact svg{width:16px;height:16px;flex:0 0 16px;margin-top:4px;color:var(--hh-accent);}
.hh-footer-bar{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.hh-footer-bar p,.hh-footer-bar a{font-size:13px;color:rgba(255,255,255,.58);}
.hh-footer-friend{display:flex;gap:18px;flex-wrap:wrap;}

/* ---------- 入场动效 ---------- */
.hh-reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--hh-ease),transform .5s var(--hh-ease);}
.hh-reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .hh-container{padding:0 28px;}
}
@media (max-width:1199px){
  :root{--hh-side-w:var(--hh-side-w-min);}
  .hh-brand{padding:0 0 20px;justify-content:center;}
  .hh-brand-text{display:none;}
  .hh-nav{padding:0 16px;}
  .hh-nav a{justify-content:center;padding:0;}
  .hh-nav a span{display:none;}
  .hh-nav a::before{left:-16px;}
  .hh-side-dl span{display:none;}
  .hh-side-dl{padding:0;}
  .hh-side-contact{text-align:center;font-size:11.5px;}
  .hh-sidebar-foot{padding:16px 16px 0;}
}
@media (max-width:1023px){
  .hh-sidebar{display:none;}
  .hh-topbar{display:flex;}
  .hh-main{margin-left:0;}
  .hh-hero{padding:44px 0 0;}
  .hh-hero-grid{grid-template-columns:1fr;gap:36px;}
  .hh-hero-media{order:2;}
  .hh-hero-media::after{display:none;}
  .hh-float-card{right:12px;bottom:12px;}
  .hh-hero-actions .hh-btn{flex:1 1 100%;}
  .hh-section{padding:64px 0;}
  .hh-trust{grid-template-columns:repeat(2,1fr);}
  .hh-trust-item{border-right:0;border-bottom:1px solid var(--hh-line);padding:22px 16px 24px 0;}
  .hh-trust-item:nth-child(odd){border-right:1px solid var(--hh-line);}
  .hh-spec-grid{grid-template-columns:1fr;gap:28px;}
  .hh-reviews{columns:2;}
  .hh-news-grid{grid-template-columns:repeat(2,1fr);}
  .hh-platforms{grid-template-columns:repeat(2,1fr);}
  .hh-dl-layout{grid-template-columns:1fr;}
  .hh-qr-wrap{text-align:left;}
  .hh-cta{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .hh-cta-actions{width:100%;}
  .hh-cta-actions .hh-btn{flex:1 1 100%;}
  .hh-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hh-download{padding:32px 24px;}
}
@media (max-width:767px){
  .hh-container{padding:0 20px;}
  .hh-section{padding:56px 0;}
  .hh-section-head{margin-bottom:32px;}
  .hh-hero h1{font-size:clamp(28px,7.4vw,36px);}
  .hh-hero-lead{font-size:16px;}
  .hh-badges li{padding:0 14px;font-size:13px;}
  .hh-trust-item strong{font-size:26px;}
  .hh-value-row{grid-template-columns:64px 1fr;gap:18px;padding:24px 0;}
  .hh-value-num{font-size:32px;}
  .hh-shot{flex:0 0 280px;}
  .hh-car-btn{display:none;}
  .hh-reviews{columns:1;}
  .hh-news-grid{grid-template-columns:1fr;}
  .hh-platforms{grid-template-columns:1fr 1fr;}
  .hh-faq-q{font-size:16px;padding:18px 0;}
  .hh-footer{padding-top:56px;margin-top:64px;}
  .hh-footer-grid{grid-template-columns:1fr 1fr;}
  .hh-footer-bar{justify-content:center;text-align:center;}
}
@media (max-width:479px){
  .hh-container{padding:0 16px;}
  .hh-hero-actions{gap:10px;}
  .hh-btn{height:48px;padding:0 20px;font-size:15px;}
  .hh-trust{grid-template-columns:1fr;}
  .hh-trust-item{border-right:0!important;}
  .hh-platforms{grid-template-columns:1fr;}
  .hh-footer-grid{grid-template-columns:1fr;}
  .hh-shot{flex:0 0 240px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
  .hh-reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --hh-brand-900:#0C3A2E;
  --hh-brand-700:#145445;
  --hh-brand-500:#1E7A61;
  --hh-accent:#E2571E;
  --hh-accent-hover:#C44714;
  --hh-bg:#F7F6F2;
  --hh-surface:#FFFFFF;
  --hh-surface-2:#F0EFEA;
  --hh-ink:#10130F;
  --hh-muted:#5C6660;
  --hh-line:#E3E5E0;
  --hh-radius-card:14px;
  --hh-radius-img:16px;
  --hh-radius-btn:10px;
  --hh-shadow-1:0 1px 2px rgba(16,19,15,.06);
  --hh-shadow-2:0 10px 28px rgba(16,19,15,.10);
  --hh-side-w:236px;
  --hh-ease:cubic-bezier(.2,.7,.3,1);
  --hh-gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--hh-bg);
  color:var(--hh-ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:780;letter-spacing:-0.02em;line-height:1.15;}
p{margin:0;}
svg{width:100%;height:100%;display:block;}
a:focus-visible,button:focus-visible{outline:2px solid var(--hh-accent);outline-offset:2px;border-radius:6px;}
.hh-num{font-variant-numeric:tabular-nums;}

/* ---------- 布局 ---------- */
.hh-shell{display:block;}
.hh-container{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--hh-gutter);}
.hh-main{padding:36px 0 96px;}

/* ---------- 左侧导航 ---------- */
.hh-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--hh-side-w);
  background:var(--hh-brand-900);color:#fff;
  display:flex;flex-direction:column;padding:26px 18px 20px;
  z-index:60;
}
.hh-brand{display:flex;align-items:center;gap:10px;padding:0 8px 22px;border-bottom:1px solid rgba(255,255,255,.14);}
.hh-brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:var(--hh-accent);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
}
.hh-brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.hh-brand-txt b{font-size:17px;font-weight:780;letter-spacing:-0.01em;}
.hh-brand-txt small{font-size:11px;color:rgba(255,255,255,.62);letter-spacing:.14em;}
.hh-nav{display:flex;flex-direction:column;gap:2px;margin-top:18px;flex:1 1 auto;overflow-y:auto;}
.hh-nav a{
  position:relative;display:flex;align-items:center;gap:12px;
  min-height:44px;padding:0 12px 0 16px;border-radius:9px;
  color:rgba(255,255,255,.80);font-size:14.5px;
  transition:background .18s var(--hh-ease),color .18s var(--hh-ease),transform .18s var(--hh-ease);
}
.hh-nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:22px;border-radius:2px;background:var(--hh-accent);
  transition:transform .18s var(--hh-ease);
}
.hh-nav a:hover,.hh-nav a.is-active{background:rgba(255,255,255,.10);color:#fff;}
.hh-nav a:hover::before,.hh-nav a.is-active::before{transform:translateY(-50%) scaleY(1);}
.hh-nav-ico{width:20px;height:20px;flex:0 0 20px;opacity:.9;}
.hh-side-foot{margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);}
.hh-side-foot .hh-btn{width:100%;justify-content:center;}
.hh-side-contact{
  display:flex;align-items:center;gap:8px;margin-top:12px;padding:0 8px;
  font-size:12.5px;color:rgba(255,255,255,.66);
}
.hh-side-contact svg{width:15px;height:15px;flex:0 0 15px;}

/* ---------- 移动端顶栏 ---------- */
.hh-topbar{
  display:none;position:sticky;top:0;z-index:70;height:60px;
  align-items:center;justify-content:space-between;
  padding:0 18px;background:var(--hh-brand-900);color:#fff;
}
.hh-topbar-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:780;}
.hh-topbar-brand .hh-brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:9px;font-size:16px;}
.hh-burger{
  width:42px;height:42px;border:1px solid rgba(255,255,255,.28);background:transparent;border-radius:10px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hh-burger span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .2s var(--hh-ease),opacity .2s var(--hh-ease);}
.hh-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hh-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hh-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.hh-drawer{
  position:fixed;inset:60px 0 0 0;z-index:65;background:var(--hh-brand-900);
  padding:22px 20px 30px;display:flex;flex-direction:column;gap:2px;
  transform:translateX(-100%);transition:transform .2s var(--hh-ease);
  overflow-y:auto;
}
.hh-drawer.is-open{transform:translateX(0);}
.hh-drawer a{
  display:flex;align-items:center;gap:12px;min-height:48px;padding:0 14px;border-radius:10px;
  color:rgba(255,255,255,.82);font-size:15px;
}
.hh-drawer a:hover,.hh-drawer a.is-active{background:rgba(255,255,255,.10);color:#fff;}
.hh-drawer a .hh-nav-ico{width:20px;height:20px;flex:0 0 20px;}
.hh-drawer-foot{margin-top:auto;padding-top:20px;}
.hh-drawer-foot .hh-btn{width:100%;justify-content:center;}
body.hh-locked{overflow:hidden;}

/* ---------- 按钮 ---------- */
.hh-btn{
  display:inline-flex;align-items:center;gap:9px;
  min-height:46px;padding:0 22px;border-radius:var(--hh-radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:background .18s var(--hh-ease),color .18s var(--hh-ease),border-color .18s var(--hh-ease),transform .18s var(--hh-ease),box-shadow .18s var(--hh-ease);
}
.hh-btn svg{width:17px;height:17px;flex:0 0 17px;transition:transform .18s var(--hh-ease);}
.hh-btn-primary{background:var(--hh-accent);color:#fff;box-shadow:var(--hh-shadow-1);}
.hh-btn-primary:hover{background:var(--hh-accent-hover);box-shadow:var(--hh-shadow-2);transform:translateY(-2px);}
.hh-btn-primary:hover svg{transform:translateX(4px);}
.hh-btn-ghost{border-color:var(--hh-brand-700);color:var(--hh-brand-700);background:transparent;}
.hh-btn-ghost:hover{background:rgba(20,84,69,.08);}
.hh-btn:active{transform:translateY(1px);}
.hh-btn-line{border-color:var(--hh-line);background:var(--hh-surface);color:var(--hh-ink);}
.hh-btn-line:hover{border-color:var(--hh-brand-500);color:var(--hh-brand-700);}

/* ---------- 主体容器偏移 ---------- */
.hh-content{margin-left:var(--hh-side-w);}
.hh-content .hh-container{max-width:1100px;}

/* ---------- 面包屑 ---------- */
.hh-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:15px;color:var(--hh-muted);padding:26px 0 0;
}
.hh-crumb a{color:var(--hh-muted);transition:color .18s var(--hh-ease);}
.hh-crumb a:hover{color:var(--hh-accent);}
.hh-crumb span.sep{color:#B6BDB7;}
.hh-crumb strong{color:var(--hh-ink);font-weight:600;}

/* ---------- 文章头部 ---------- */
.hh-article-head{padding:22px 0 30px;border-bottom:1px solid var(--hh-line);max-width:760px;}
.hh-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:rgba(226,87,30,.10);color:var(--hh-accent);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.hh-article-head h1{
  font-size:clamp(28px,3.6vw,42px);
  margin:16px 0 0;letter-spacing:-0.02em;
}
.hh-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--hh-muted);
}
.hh-meta i{width:4px;height:4px;border-radius:50%;background:#C8CEC8;display:inline-block;}
.hh-article-lead{
  margin-top:20px;font-size:16.5px;line-height:1.85;color:var(--hh-muted);
  padding-left:16px;border-left:3px solid var(--hh-accent);
}

/* ---------- 文章封面 ---------- */
.hh-article-cover{
  margin:30px 0 0;max-width:760px;border-radius:var(--hh-radius-img);overflow:hidden;
  border:1px solid var(--hh-line);box-shadow:var(--hh-shadow-1);
}
.hh-article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 正文 ---------- */
.hh-article-body{
  max-width:760px;padding:36px 0 8px;font-size:17px;line-height:1.9;color:#1B201B;
}
.hh-article-body>*+*{margin-top:1.2em;}
.hh-article-body p{margin:0 0 1.2em;}
.hh-article-body h2{
  position:relative;font-size:clamp(21px,2.2vw,27px);margin:40px 0 14px;padding-left:14px;
  letter-spacing:-0.02em;
}
.hh-article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--hh-accent);
}
.hh-article-body h3{font-size:19px;margin:32px 0 12px;}
.hh-article-body h4{font-size:17px;margin:26px 0 10px;}
.hh-article-body a{color:var(--hh-brand-500);border-bottom:1px solid rgba(30,122,97,.35);}
.hh-article-body a:hover{color:var(--hh-accent);border-color:var(--hh-accent);}
.hh-article-body ul,.hh-article-body ol{margin:0 0 1.2em;padding-left:1.3em;}
.hh-article-body ul{list-style:disc;}
.hh-article-body ol{list-style:decimal;}
.hh-article-body li{margin:.4em 0;}
.hh-article-body li::marker{color:var(--hh-accent);font-weight:700;}
.hh-article-body blockquote{
  margin:1.4em 0;padding:16px 22px;background:#FAFAF8;
  border-left:3px solid var(--hh-brand-700);border-radius:0 10px 10px 0;
  color:#333A34;font-size:16.5px;
}
.hh-article-body blockquote p:last-child{margin-bottom:0;}
.hh-article-body img{border-radius:12px;margin:1.6em auto;height:auto;}
.hh-article-body figure{margin:1.6em 0;}
.hh-article-body figcaption{text-align:center;font-size:13px;color:var(--hh-muted);margin-top:10px;}
.hh-article-body code{
  background:var(--hh-surface-2);padding:2px 6px;border-radius:6px;font-size:14.5px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.hh-article-body pre{
  background:var(--hh-brand-900);color:#E9EFEA;padding:18px 20px;border-radius:12px;
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.hh-article-body pre code{background:transparent;color:inherit;padding:0;}
.hh-article-body hr{border:0;border-top:1px solid var(--hh-line);margin:2.2em 0;}
.hh-article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;}
.hh-article-body th,.hh-article-body td{border-bottom:1px solid var(--hh-line);padding:11px 12px;text-align:left;}
.hh-article-body th{background:var(--hh-surface-2);font-weight:700;}

/* ---------- 标签行 ---------- */
.hh-tagrow{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  max-width:760px;margin-top:34px;padding-top:22px;border-top:1px solid var(--hh-line);
}
.hh-tagrow .hh-taglabel{font-size:13px;color:var(--hh-muted);}
.hh-tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  border:1px solid var(--hh-line);background:var(--hh-surface);
  font-size:13px;color:#3A423B;transition:border-color .18s var(--hh-ease),color .18s var(--hh-ease),transform .18s var(--hh-ease);
}
.hh-tag:hover{border-color:var(--hh-accent);color:var(--hh-accent);transform:translateY(-2px);}

/* ---------- 上下篇 ---------- */
.hh-pager{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  max-width:760px;margin-top:34px;
}
.hh-pager-card{
  display:flex;flex-direction:column;gap:8px;
  padding:20px 22px;background:var(--hh-surface);border:1px solid var(--hh-line);
  border-radius:var(--hh-radius-card);box-shadow:var(--hh-shadow-1);
  transition:box-shadow .18s var(--hh-ease),transform .18s var(--hh-ease),border-color .18s var(--hh-ease);
}
.hh-pager-card:hover{box-shadow:var(--hh-shadow-2);transform:translateY(-2px);border-color:#D6DAD4;}
.hh-pager-card .dir{font-size:12.5px;color:var(--hh-accent);font-weight:700;letter-spacing:.04em;}
.hh-pager-card .ttl{font-size:16px;font-weight:700;line-height:1.5;}
.hh-pager-card .hint{font-size:13px;color:var(--hh-muted);}
.hh-pager-card.is-next{text-align:right;align-items:flex-end;}

/* ---------- 相关推荐 ---------- */
.hh-related{padding:64px 0 0;margin-left:var(--hh-side-w);}
.hh-related .hh-container{max-width:1100px;}
.hh-sec-title{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.hh-sec-title h2{font-size:clamp(22px,2.4vw,30px);}
.hh-sec-title p{font-size:14px;color:var(--hh-muted);margin-top:8px;}
.hh-cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.hh-card{
  display:flex;flex-direction:column;background:var(--hh-surface);
  border:1px solid var(--hh-line);border-radius:var(--hh-radius-card);
  overflow:hidden;box-shadow:var(--hh-shadow-1);
  transition:box-shadow .2s var(--hh-ease),transform .2s var(--hh-ease),border-color .2s var(--hh-ease);
}
.hh-card:hover{box-shadow:var(--hh-shadow-2);transform:translateY(-2px);border-color:#D6DAD4;}
.hh-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.hh-card-body h3{font-size:17px;line-height:1.5;}
.hh-card-body p{font-size:14.5px;color:var(--hh-muted);line-height:1.75;}
.hh-card-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--hh-line);
  font-size:13px;color:var(--hh-muted);
}
.hh-card-foot .arrow{width:18px;height:18px;color:var(--hh-accent);transition:transform .18s var(--hh-ease);}
.hh-card:hover .hh-card-foot .arrow{transform:translateX(4px);}

/* ---------- 底部返回 ---------- */
.hh-backrow{display:flex;justify-content:center;padding:52px 0 0;margin-left:var(--hh-side-w);}
.hh-backrow .hh-container{display:flex;justify-content:center;}

/* ---------- 空态 ---------- */
.hh-empty{
  max-width:760px;padding:64px 24px;text-align:center;
  background:var(--hh-surface);border:1px solid var(--hh-line);border-radius:var(--hh-radius-card);
  margin:36px 0 0;
}
.hh-empty .hh-empty-ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:var(--hh-surface-2);display:flex;align-items:center;justify-content:center;color:var(--hh-muted);
}
.hh-empty .hh-empty-ico svg{width:26px;height:26px;}
.hh-empty h2{font-size:20px;margin-bottom:10px;}
.hh-empty p{color:var(--hh-muted);font-size:15px;margin-bottom:22px;}

/* ---------- CTA 条 ---------- */
.hh-cta-wrap{margin-left:var(--hh-side-w);padding:80px 0 0;}
.hh-cta{
  background:var(--hh-brand-900);border-radius:20px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;
  position:relative;overflow:hidden;
}
.hh-cta::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border:1px solid rgba(255,255,255,.10);border-radius:50%;pointer-events:none;
}
.hh-cta h2{font-size:clamp(22px,2.6vw,32px);}
.hh-cta p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.74);max-width:560px;}
.hh-cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.hh-footer{
  background:var(--hh-brand-900);color:rgba(255,255,255,.72);
  margin-top:96px;padding:64px 0 26px;
}
.hh-footer .hh-container{max-width:1240px;}
.hh-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.hh-footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin-bottom:14px;}
.hh-footer-brand .hh-brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;font-size:16px;}
.hh-footer p{font-size:14px;line-height:1.8;max-width:420px;}
.hh-footer h4{color:#fff;font-size:14.5px;font-weight:600;margin-bottom:16px;letter-spacing:.01em;}
.hh-footer-links li+li{margin-top:10px;}
.hh-footer-links a{font-size:14px;transition:color .18s var(--hh-ease);}
.hh-footer-links a:hover{color:var(--hh-accent);}
.hh-footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;}
.hh-footer-contact li+li{margin-top:12px;}
.hh-footer-contact svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px;color:var(--hh-accent);}
.hh-footer-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.56);
}
.hh-footer-friend{display:flex;gap:20px;flex-wrap:wrap;}
.hh-footer-friend a:hover{color:var(--hh-accent);}

/* ---------- 入场动效 ---------- */
.hh-reveal{opacity:0;transform:translateY(8px);}
.hh-reveal.is-in{opacity:1;transform:none;transition:opacity .5s var(--hh-ease),transform .5s var(--hh-ease);}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  :root{--hh-gutter:22px;}
}
@media (max-width:1199px){
  :root{--hh-side-w:88px;}
  .hh-brand{padding-bottom:18px;justify-content:center;}
  .hh-brand-txt{display:none;}
  .hh-nav a span:not(.hh-nav-ico){display:none;}
  .hh-nav a{justify-content:center;padding:0;}
  .hh-side-foot .hh-btn span{display:none;}
  .hh-side-foot .hh-btn{padding:0 10px;}
  .hh-side-contact span{display:none;}
  .hh-side-contact{justify-content:center;}
  .hh-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .hh-side{display:none;}
  .hh-topbar{display:flex;}
  .hh-content,.hh-related,.hh-backrow,.hh-cta-wrap{margin-left:0;}
  .hh-article-head h1{font-size:clamp(26px,5.4vw,34px);}
  .hh-main{padding:22px 0 72px;}
  .hh-cards-3{grid-template-columns:repeat(2,1fr);}
  .hh-cta{padding:36px 28px;flex-direction:column;align-items:flex-start;}
  .hh-cta-actions{width:100%;}
  .hh-cta-actions .hh-btn{width:100%;justify-content:center;}
  .hh-footer{margin-top:72px;}
}
@media (max-width:768px){
  .hh-article-body{font-size:16px;line-height:1.85;}
  .hh-pager{grid-template-columns:1fr;}
  .hh-pager-card.is-next{text-align:left;align-items:flex-start;}
  .hh-cards-3{grid-template-columns:1fr;}
  .hh-related{padding-top:48px;}
  .hh-footer-grid{grid-template-columns:1fr 1fr;}
  .hh-footer-bar{flex-direction:column;text-align:center;}
}
@media (max-width:520px){
  :root{--hh-gutter:18px;}
  .hh-article-body{padding:26px 0 8px;}
  .hh-crumb{font-size:13.5px;}
  .hh-cta{padding:30px 22px;border-radius:16px;}
  .hh-footer-grid{grid-template-columns:1fr;gap:28px;}
  .hh-footer p{max-width:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .hh-reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --hh-brand-900:#0C3A2E;
  --hh-brand-700:#145445;
  --hh-brand-500:#1E7A61;
  --hh-accent:#E2571E;
  --hh-accent-600:#C44714;
  --hh-bg:#F7F6F2;
  --hh-surface:#FFFFFF;
  --hh-surface-2:#F0EFEA;
  --hh-ink:#10130F;
  --hh-muted:#5C6660;
  --hh-line:#E3E5E0;
  --hh-radius-card:14px;
  --hh-radius-img:16px;
  --hh-radius-btn:10px;
  --hh-shadow-1:0 1px 2px rgba(16,19,15,.06);
  --hh-shadow-2:0 10px 28px rgba(16,19,15,.10);
  --hh-ease:cubic-bezier(.2,.7,.3,1);
  --hh-sidebar-w:236px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--hh-bg);
  color:var(--hh-ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--hh-accent);outline-offset:2px;border-radius:4px;}
.hh-num{font-variant-numeric:tabular-nums;}

/* ============ 布局骨架 ============ */
.hh-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--hh-sidebar-w);
  background:var(--hh-brand-900);color:#fff;
  display:flex;flex-direction:column;
  padding:22px 14px 18px;
  z-index:70;
  transition:width .2s var(--hh-ease);
}
.hh-main{margin-left:var(--hh-sidebar-w);min-height:100vh;transition:margin-left .2s var(--hh-ease);}
.hh-container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}

/* ============ 侧栏品牌 ============ */
.hh-brand{
  display:flex;align-items:center;gap:10px;
  padding:6px 10px 20px;
  border-bottom:1px solid rgba(255,255,255,.12);
  margin-bottom:16px;
}
.hh-brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  background:var(--hh-accent);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:17px;
  letter-spacing:0;
}
.hh-brand-txt{display:flex;flex-direction:column;line-height:1.2;overflow:hidden;}
.hh-brand-txt b{font-size:16px;font-weight:750;letter-spacing:-.01em;white-space:nowrap;}
.hh-brand-txt span{font-size:11px;color:rgba(255,255,255,.55);letter-spacing:.16em;white-space:nowrap;}

/* ============ 侧栏导航 ============ */
.hh-nav{display:flex;flex-direction:column;gap:4px;}
.hh-nav a{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:10px;
  color:rgba(255,255,255,.82);
  font-size:14.5px;line-height:1;
  transition:background .16s var(--hh-ease),color .16s var(--hh-ease);
}
.hh-nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--hh-accent);
  transition:height .18s var(--hh-ease);
}
.hh-nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
.hh-nav a:hover::before{height:20px;}
.hh-nav a.is-active{background:rgba(255,255,255,.12);color:#fff;font-weight:600;}
.hh-nav a.is-active::before{height:24px;}
.hh-nav-ico{flex:0 0 20px;width:20px;height:20px;color:var(--hh-accent);}
.hh-nav-ico svg{width:20px;height:20px;}
.hh-nav a span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

.hh-side-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column;gap:8px;}
.hh-side-link{
  display:flex;align-items:center;gap:10px;height:40px;padding:0 12px;border-radius:10px;
  font-size:13.5px;color:rgba(255,255,255,.7);transition:background .16s var(--hh-ease),color .16s var(--hh-ease);
}
.hh-side-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.hh-side-link svg{width:18px;height:18px;color:var(--hh-accent);}

/* ============ 按钮 ============ */
.hh-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:var(--hh-radius-btn);
  font-size:15px;font-weight:650;letter-spacing:.01em;
  transition:background .16s var(--hh-ease),color .16s var(--hh-ease),transform .16s var(--hh-ease),box-shadow .16s var(--hh-ease),border-color .16s var(--hh-ease);
  border:1px solid transparent;white-space:nowrap;
}
.hh-btn:active{transform:translateY(1px);}
.hh-btn-accent{background:var(--hh-accent);color:#fff;box-shadow:0 1px 2px rgba(226,87,30,.28);}
.hh-btn-accent:hover{background:var(--hh-accent-600);box-shadow:0 8px 20px rgba(196,71,20,.24);}
.hh-btn-accent svg{width:18px;height:18px;transition:transform .16s var(--hh-ease);}
.hh-btn-accent:hover svg{transform:translateX(4px);}
.hh-btn-ghost{border-color:var(--hh-brand-700);color:var(--hh-brand-900);background:transparent;}
.hh-btn-ghost:hover{background:rgba(20,84,69,.08);}
.hh-btn-block{width:100%;}
.hh-btn-lg{height:52px;padding:0 28px;font-size:16px;}

/* ============ 移动端顶栏 ============ */
.hh-topbar{
  display:none;position:sticky;top:0;z-index:80;
  height:60px;background:var(--hh-brand-900);color:#fff;
  align-items:center;justify-content:space-between;
  padding:0 18px;
}
.hh-topbar-brand{display:flex;align-items:center;gap:9px;font-weight:750;font-size:15.5px;}
.hh-topbar .hh-brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:15px;border-radius:9px;}
.hh-burger{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;}
.hh-burger:hover{background:rgba(255,255,255,.1);}
.hh-burger svg{width:22px;height:22px;}
.hh-drawer{
  position:fixed;inset:60px 0 0 0;background:var(--hh-brand-900);z-index:75;
  padding:18px 16px 24px;display:flex;flex-direction:column;
  transform:translateX(-100%);transition:transform .2s var(--hh-ease);
  overflow-y:auto;
}
.hh-drawer.is-open{transform:translateX(0);}
.hh-drawer .hh-nav a{height:48px;font-size:15.5px;color:rgba(255,255,255,.88);}
.hh-drawer .hh-side-foot{margin-top:24px;}

/* ============ 页头 Hero ============ */
.hh-hero{
  position:relative;overflow:hidden;
  padding:56px 0 72px;
  background:
    linear-gradient(90deg,rgba(12,58,46,.05) 1px,transparent 1px) 0 0/72px 72px,
    linear-gradient(180deg,rgba(12,58,46,.05) 1px,transparent 1px) 0 0/72px 72px,
    var(--hh-bg);
}
.hh-crumb{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--hh-muted);flex-wrap:wrap;}
.hh-crumb a{color:var(--hh-muted);transition:color .16s var(--hh-ease);}
.hh-crumb a:hover{color:var(--hh-accent);}
.hh-crumb i{font-style:normal;color:#B8BDB6;}

.hh-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;margin-top:28px;}
.hh-pill{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 14px;border-radius:999px;
  background:rgba(226,87,30,.10);color:var(--hh-accent);
  font-size:12.5px;font-weight:650;letter-spacing:.02em;
}
.hh-h1{
  font-size:clamp(32px,4.4vw,54px);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
  margin:18px 0 16px;color:var(--hh-brand-900);
}
.hh-hero-sub{font-size:17px;line-height:1.85;color:var(--hh-muted);max-width:560px;}
.hh-badges{display:flex;flex-wrap:wrap;align-items:center;gap:0 18px;margin:24px 0 30px;}
.hh-badges span{
  position:relative;font-size:14px;color:var(--hh-brand-700);font-weight:600;padding-left:14px;
}
.hh-badges span::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--hh-accent);
}
.hh-badges span+span::after{
  content:"";position:absolute;left:-9px;top:50%;transform:translateY(-50%);
  width:1px;height:14px;background:var(--hh-line);
}
.hh-hero-cta{display:flex;gap:14px;flex-wrap:wrap;}

.hh-hero-media{position:relative;}
.hh-hero-media .hh-media-frame{
  border-radius:var(--hh-radius-img);overflow:hidden;
  aspect-ratio:4/3;border:1px solid var(--hh-line);
  box-shadow:var(--hh-shadow-1);background:var(--hh-surface-2);
}
.hh-hero-media img{width:100%;height:100%;object-fit:cover;}
.hh-float-card{
  position:absolute;left:-18px;bottom:26px;
  background:var(--hh-surface);border:1px solid var(--hh-line);
  border-radius:12px;padding:14px 18px;box-shadow:var(--hh-shadow-2);
  display:flex;flex-direction:column;gap:2px;
}
.hh-float-card b{font-size:26px;font-weight:800;color:var(--hh-brand-900);line-height:1.1;}
.hh-float-card b em{font-style:normal;font-size:14px;font-weight:600;color:var(--hh-muted);margin-left:2px;}
.hh-float-card small{font-size:12.5px;color:var(--hh-muted);letter-spacing:.02em;}

/* ============ 通用板块 ============ */
.hh-section{padding:96px 0;}
.hh-section-alt{background:var(--hh-surface);border-top:1px solid var(--hh-line);border-bottom:1px solid var(--hh-line);}
.hh-sec-head{max-width:660px;margin-bottom:44px;}
.hh-eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:.18em;color:var(--hh-accent);
  text-transform:uppercase;margin-bottom:12px;
}
.hh-h2{
  font-size:clamp(24px,2.8vw,36px);font-weight:780;line-height:1.2;letter-spacing:-.02em;
  color:var(--hh-brand-900);
}
.hh-sec-desc{margin-top:14px;font-size:16px;color:var(--hh-muted);line-height:1.85;}

/* ============ 编号特性卡 ============ */
.hh-feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.hh-feature{
  position:relative;padding:30px 26px 30px 0;
  border-top:1px solid var(--hh-line);
  transition:transform .18s var(--hh-ease);
}
.hh-feature+.hh-feature{padding-left:26px;border-left:1px solid var(--hh-line);}
.hh-feature .hh-fnum{
  font-size:34px;font-weight:800;line-height:1;letter-spacing:-.03em;
  color:#D8DCD5;font-variant-numeric:tabular-nums;
  transition:color .18s var(--hh-ease);
}
.hh-feature:hover{transform:translateX(4px);}
.hh-feature:hover .hh-fnum{color:var(--hh-accent);}
.hh-feature h3{font-size:18px;font-weight:750;margin:16px 0 10px;color:var(--hh-ink);}
.hh-feature p{font-size:14.5px;color:var(--hh-muted);line-height:1.8;}

/* ============ 图文交替 ============ */
.hh-media-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.hh-media-row+.hh-media-row{margin-top:88px;}
.hh-media-row.is-flip .hh-media-copy{order:1;}
.hh-media-row.is-flip .hh-media-pic{order:2;}
.hh-media-pic{
  border-radius:var(--hh-radius-img);overflow:hidden;aspect-ratio:16/11;
  border:1px solid var(--hh-line);background:var(--hh-surface-2);box-shadow:var(--hh-shadow-1);
}
.hh-media-pic img{width:100%;height:100%;object-fit:cover;}
.hh-media-copy h3{
  font-size:clamp(20px,2.2vw,28px);font-weight:760;letter-spacing:-.02em;line-height:1.25;
  color:var(--hh-brand-900);margin-bottom:14px;
}
.hh-media-copy p{font-size:16px;color:var(--hh-muted);line-height:1.9;}
.hh-tick-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.hh-tick-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--hh-ink);
}
.hh-tick-list li svg{width:18px;height:18px;flex:0 0 18px;margin-top:4px;color:var(--hh-accent);}

/* ============ 定义列表 ============ */
.hh-deflist{border-top:1px solid var(--hh-line);}
.hh-deflist .hh-def-row{
  display:grid;grid-template-columns:220px 1fr;gap:32px;
  padding:18px 0;border-bottom:1px solid var(--hh-line);
  transition:background .16s var(--hh-ease);
}
.hh-deflist .hh-def-row:hover{background:rgba(240,239,234,.6);}
.hh-deflist dt{font-size:14px;color:var(--hh-muted);}
.hh-deflist dd{margin:0;font-size:15px;font-weight:500;color:var(--hh-ink);}

/* ============ 场景横滚 ============ */
.hh-scroll-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.hh-scroll-track{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:14px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.hh-scroll-track::-webkit-scrollbar{height:6px;}
.hh-scroll-track::-webkit-scrollbar-thumb{background:#D5D9D2;border-radius:99px;}
.hh-scene{
  scroll-snap-align:start;flex:0 0 300px;
  background:var(--hh-surface);border:1px solid var(--hh-line);border-radius:var(--hh-radius-card);
  padding:26px 24px;box-shadow:var(--hh-shadow-1);
  transition:transform .18s var(--hh-ease),box-shadow .18s var(--hh-ease);
}
.hh-scene:hover{transform:translateY(-2px);box-shadow:var(--hh-shadow-2);}
.hh-scene .hh-scene-ico{
  width:42px;height:42px;border-radius:12px;background:rgba(20,84,69,.08);
  display:grid;place-items:center;color:var(--hh-brand-700);margin-bottom:18px;
}
.hh-scene .hh-scene-ico svg{width:21px;height:21px;}
.hh-scene h3{font-size:17px;font-weight:730;margin-bottom:10px;}
.hh-scene p{font-size:14.5px;color:var(--hh-muted);line-height:1.8;}

/* ============ FAQ ============ */
.hh-faq{border-top:1px solid var(--hh-line);max-width:880px;}
.hh-faq-item{border-bottom:1px solid var(--hh-line);}
.hh-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:17px;font-weight:650;color:var(--hh-ink);
  transition:color .16s var(--hh-ease);
}
.hh-faq-q:hover{color:var(--hh-accent);}
.hh-faq-q .hh-faq-ico{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--hh-line);display:grid;place-items:center;
  transition:transform .2s var(--hh-ease),background .2s var(--hh-ease),color .2s var(--hh-ease);
}
.hh-faq-q .hh-faq-ico svg{width:13px;height:13px;}
.hh-faq-item.is-open .hh-faq-q{color:var(--hh-accent);}
.hh-faq-item.is-open .hh-faq-ico{transform:rotate(45deg);background:var(--hh-accent);color:#fff;border-color:var(--hh-accent);}
.hh-faq-a{max-height:0;overflow:hidden;transition:max-height .2s var(--hh-ease);}
.hh-faq-a-inner{
  background:#FAFAF8;border-radius:10px;padding:16px 20px;margin-bottom:20px;
  font-size:15px;line-height:1.85;color:var(--hh-muted);
}

/* ============ CTA 条 ============ */
.hh-cta{
  background:var(--hh-brand-900);border-radius:20px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  position:relative;overflow:hidden;
}
.hh-cta::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border:1px solid rgba(255,255,255,.07);border-radius:50%;
}
.hh-cta-copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:760;color:#fff;letter-spacing:-.02em;line-height:1.25;}
.hh-cta-copy p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:520px;line-height:1.8;}
.hh-cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.hh-btn-light{background:#fff;color:var(--hh-brand-900);}
.hh-btn-light:hover{background:#F0EFEA;}
.hh-btn-outline-light{border-color:rgba(255,255,255,.45);color:#fff;}
.hh-btn-outline-light:hover{background:rgba(255,255,255,.12);}

/* ============ 页脚 ============ */
.hh-footer{background:var(--hh-brand-900);color:#fff;margin-top:96px;}
.hh-footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:48px;
  padding:72px 0 56px;
}
.hh-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.hh-footer-brand b{font-size:17px;font-weight:750;}
.hh-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:360px;}
.hh-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.hh-footer-links li+li{margin-top:12px;}
.hh-footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .16s var(--hh-ease);}
.hh-footer-links a:hover{color:var(--hh-accent);}
.hh-footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.72);}
.hh-footer-contact li+li{margin-top:14px;}
.hh-footer-contact svg{width:18px;height:18px;flex:0 0 18px;margin-top:4px;color:var(--hh-accent);}
.hh-footer-bar{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.hh-footer-bar p{font-size:13px;color:rgba(255,255,255,.6);}
.hh-footer-friend{display:flex;gap:20px;flex-wrap:wrap;}
.hh-footer-friend a{font-size:13px;color:rgba(255,255,255,.6);transition:color .16s var(--hh-ease);}
.hh-footer-friend a:hover{color:var(--hh-accent);}

/* ============ 入场动效 ============ */
.hh-reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--hh-ease),transform .5s var(--hh-ease);}
.hh-reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1400px){
  .hh-container{padding:0 28px;}
}
@media (max-width:1200px){
  :root{--hh-sidebar-w:88px;}
  .hh-sidebar{padding:20px 12px 16px;align-items:center;}
  .hh-brand{justify-content:center;padding:6px 0 18px;width:100%;}
  .hh-brand-txt{display:none;}
  .hh-nav{width:100%;align-items:center;}
  .hh-nav a{justify-content:center;padding:0;gap:0;}
  .hh-nav a span:last-child{display:none;}
  .hh-nav a::before{left:-12px;}
  .hh-side-foot{width:100%;align-items:center;}
  .hh-side-foot .hh-btn{padding:0;width:46px;}
  .hh-side-foot .hh-btn span{display:none;}
  .hh-side-link{justify-content:center;padding:0;width:100%;}
  .hh-side-link span{display:none;}
  .hh-h1{font-size:clamp(30px,3.6vw,42px);}
  .hh-hero-grid{gap:40px;}
  .hh-feature-grid{grid-template-columns:repeat(2,1fr);}
  .hh-feature:nth-child(3){padding-left:0;border-left:0;}
  .hh-feature:nth-child(3),.hh-feature:nth-child(4){border-top:1px solid var(--hh-line);}
  .hh-feature+.hh-feature{padding-left:26px;}
  .hh-feature:nth-child(2n+1){padding-left:0;border-left:0;}
  .hh-footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (max-width:1024px){
  .hh-sidebar{display:none;}
  .hh-main{margin-left:0;}
  .hh-topbar{display:flex;}
  .hh-section{padding:72px 0;}
  .hh-hero{padding:32px 0 56px;}
  .hh-hero-grid{grid-template-columns:1fr;gap:36px;}
  .hh-hero-media{order:2;}
  .hh-float-card{left:16px;bottom:16px;padding:12px 16px;}
  .hh-media-row{grid-template-columns:1fr;gap:32px;}
  .hh-media-row.is-flip .hh-media-copy{order:2;}
  .hh-media-row.is-flip .hh-media-pic{order:1;}
  .hh-media-row+.hh-media-row{margin-top:64px;}
  .hh-cta{flex-direction:column;align-items:flex-start;padding:36px;gap:26px;}
  .hh-cta-actions{width:100%;}
  .hh-cta-actions .hh-btn{flex:1 1 200px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .hh-container{padding:0 20px;}
  .hh-section{padding:56px 0;}
  .hh-sec-head{margin-bottom:32px;}
  .hh-feature-grid{grid-template-columns:1fr;}
  .hh-feature{padding:24px 0 !important;border-left:0 !important;}
  .hh-feature+.hh-feature{border-top:1px solid var(--hh-line);}
  .hh-feature:hover{transform:translateX(2px);}
  .hh-deflist .hh-def-row{grid-template-columns:1fr;gap:6px;padding:16px 0;}
  .hh-faq-q{font-size:16px;padding:18px 0;}
  .hh-hero-cta .hh-btn{width:100%;}
  .hh-cta{border-radius:16px;padding:28px 22px;}
  .hh-cta-actions .hh-btn{width:100%;flex:1 1 100%;}
  .hh-footer{margin-top:64px;}
  .hh-footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 40px;}
  .hh-footer-bar{flex-direction:column;align-items:center;text-align:center;}
  .hh-scene{flex:0 0 260px;padding:22px 20px;}
}
@media (max-width:520px){
  .hh-container{padding:0 16px;}
  .hh-badges{gap:10px 16px;}
  .hh-badges span+span::after{display:none;}
  .hh-footer-grid{grid-template-columns:1fr;}
  .hh-float-card b{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .hh-reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --hh-brand-900:#0C3A2E;
  --hh-brand-700:#145445;
  --hh-brand-500:#1E7A61;
  --hh-accent:#E2571E;
  --hh-accent-hover:#C44714;
  --hh-bg:#F7F6F2;
  --hh-surface:#FFFFFF;
  --hh-surface-2:#F0EFEA;
  --hh-ink:#10130F;
  --hh-muted:#5C6660;
  --hh-line:#E3E5E0;
  --hh-quiet:#FAFAF8;
  --hh-radius-card:14px;
  --hh-radius-img:16px;
  --hh-radius-btn:10px;
  --hh-shadow-1:0 1px 2px rgba(16,19,15,.06);
  --hh-shadow-2:0 10px 28px rgba(16,19,15,.10);
  --hh-side-w:236px;
  --hh-ease:cubic-bezier(.2,.7,.3,1);
  --hh-font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --hh-num:"Inter","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--hh-font);
  font-size:16px;
  line-height:1.85;
  color:var(--hh-ink);
  background:var(--hh-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15;color:var(--hh-ink)}
p{margin:0}
ul,ol,dl,dd,dt{margin:0;padding:0}
li{list-style:none}
:focus-visible{outline:2px solid var(--hh-accent);outline-offset:2px}
::selection{background:rgba(226,87,30,.18)}

.hh-container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.hh-section{padding:96px 0}
.hh-section--tight{padding:72px 0}
.hh-section--soft{background:var(--hh-surface-2)}
.hh-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--hh-brand-500);margin-bottom:14px;
}
.hh-eyebrow::before{content:"";width:22px;height:2px;background:var(--hh-accent);border-radius:2px}
.hh-h2{font-size:clamp(24px,2.8vw,36px)}
.hh-lead{margin-top:16px;max-width:720px;color:var(--hh-muted);font-size:16px}
.hh-num{font-family:var(--hh-num);font-variant-numeric:tabular-nums}

/* ============ 左侧竖向导航 ============ */
.hh-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--hh-side-w);
  background:var(--hh-brand-900);
  display:flex;flex-direction:column;
  padding:26px 16px 22px;
  z-index:60;
}
.hh-side-brand{display:flex;align-items:center;gap:12px;padding:0 8px;margin-bottom:28px}
.hh-brand-mark{
  width:36px;height:36px;flex:none;border-radius:10px;
  background:var(--hh-accent);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:800;
}
.hh-brand-text{display:flex;flex-direction:column;line-height:1.2}
.hh-brand-text b{color:#fff;font-size:16px;font-weight:800;letter-spacing:-.01em}
.hh-brand-text i{font-style:normal;font-size:11px;color:rgba(255,255,255,.58);letter-spacing:.14em}
.hh-nav{display:flex;flex-direction:column;gap:2px}
.hh-nav a{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 14px;border-radius:10px;
  color:rgba(255,255,255,.76);font-size:15px;
  transition:background 160ms var(--hh-ease),color 160ms var(--hh-ease),transform 160ms var(--hh-ease);
}
.hh-nav a::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:2px;
  background:var(--hh-accent);transform:scaleY(0);transform-origin:center;
  transition:transform 180ms var(--hh-ease);
}
.hh-nav a:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateX(2px)}
.hh-nav a.is-active{background:rgba(255,255,255,.12);color:#fff}
.hh-nav a:hover::before,.hh-nav a.is-active::before{transform:scaleY(1)}
.hh-nav-ico{display:inline-flex;width:20px;height:20px;flex:none}
.hh-nav-ico svg{width:20px;height:20px}
.hh-side-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12)}
.hh-side-contact{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:40px;border-radius:var(--hh-radius-btn);
  border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.86);font-size:14px;
  transition:border-color 160ms var(--hh-ease),background 160ms var(--hh-ease);
}
.hh-side-contact:hover{border-color:var(--hh-accent);color:#fff;background:rgba(226,87,30,.16)}

/* ============ 按钮 ============ */
.hh-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 26px;border-radius:var(--hh-radius-btn);
  font-size:16px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:background 180ms var(--hh-ease),color 180ms var(--hh-ease),border-color 180ms var(--hh-ease),transform 180ms var(--hh-ease),box-shadow 180ms var(--hh-ease);
}
.hh-btn:active{transform:translateY(1px)}
.hh-btn--accent{background:var(--hh-accent);color:#fff;box-shadow:var(--hh-shadow-1)}
.hh-btn--accent:hover{background:var(--hh-accent-hover);box-shadow:var(--hh-shadow-2)}
.hh-btn--accent .hh-btn-arrow{transition:transform 180ms var(--hh-ease)}
.hh-btn--accent:hover .hh-btn-arrow{transform:translateX(4px)}
.hh-btn--ghost{background:transparent;border-color:rgba(12,58,46,.28);color:var(--hh-brand-900)}
.hh-btn--ghost:hover{background:rgba(12,58,46,.08);border-color:var(--hh-brand-900)}
.hh-btn--light{background:#fff;color:var(--hh-brand-900)}
.hh-btn--light:hover{background:var(--hh-surface-2)}
.hh-btn--outline-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.hh-btn--outline-light:hover{border-color:#fff;background:rgba(255,255,255,.10)}
.hh-btn--full{width:100%}
.hh-btn--sm{height:44px;padding:0 18px;font-size:14px}

/* ============ 移动端顶栏与抽屉 ============ */
.hh-topbar{
  display:none;position:sticky;top:0;z-index:70;
  height:60px;background:var(--hh-brand-900);
  align-items:center;justify-content:space-between;padding:0 18px;
}
.hh-topbar-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px}
.hh-topbar-brand .hh-brand-mark{width:30px;height:30px;font-size:15px;border-radius:8px}
.hh-burger{
  width:42px;height:42px;border:0;background:transparent;display:grid;place-items:center;gap:5px;
  cursor:pointer;border-radius:10px;
}
.hh-burger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform 200ms var(--hh-ease),opacity 200ms var(--hh-ease)}
.hh-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hh-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hh-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hh-drawer{
  position:fixed;inset:0;z-index:90;background:var(--hh-brand-900);
  padding:24px 22px 28px;display:flex;flex-direction:column;
  transform:translateX(100%);visibility:hidden;
  transition:transform 200ms var(--hh-ease),visibility 200ms var(--hh-ease);
}
.hh-drawer.is-open{transform:none;visibility:visible}
.hh-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.hh-drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer}
.hh-drawer .hh-nav a{height:48px;font-size:16px}
.hh-drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.14)}
body.hh-lock{overflow:hidden}

/* ============ 主体 ============ */
.hh-main{margin-left:var(--hh-side-w);min-height:100vh}

/* ============ 面包屑 ============ */
.hh-crumb{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--hh-muted);margin-bottom:26px;flex-wrap:wrap}
.hh-crumb a{color:var(--hh-muted);transition:color 160ms var(--hh-ease)}
.hh-crumb a:hover{color:var(--hh-accent)}
.hh-crumb span[aria-hidden]{color:#B9BFB8}

/* ============ Hero ============ */
.hh-hero{position:relative;padding:64px 0 84px;overflow:hidden}
.hh-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(to right,rgba(12,58,46,.05) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(12,58,46,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
  opacity:.8;
}
.hh-hero .hh-container{position:relative;z-index:1}
.hh-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hh-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(226,87,30,.10);color:var(--hh-accent);
  font-size:12px;font-weight:700;letter-spacing:.04em;margin-bottom:20px;
}
.hh-hero h1{font-size:clamp(32px,4.4vw,54px)}
.hh-hero-sub{margin-top:20px;font-size:17px;color:var(--hh-muted);max-width:560px}
.hh-hero-badges{display:flex;flex-wrap:wrap;margin-top:26px;border-top:1px solid var(--hh-line);border-bottom:1px solid var(--hh-line)}
.hh-hero-badges span{
  position:relative;padding:14px 22px 14px 0;margin-right:22px;
  font-size:13px;font-weight:600;color:var(--hh-brand-700);
}
.hh-hero-badges span:last-child{margin-right:0;padding-right:0}
.hh-hero-badges span+span::before{content:"";position:absolute;left:-11px;top:50%;width:1px;height:16px;background:var(--hh-line);transform:translateY(-50%)}
.hh-hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hh-hero-fig{position:relative}
.hh-hero-fig img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--hh-radius-img);border:1px solid var(--hh-line);
  box-shadow:var(--hh-shadow-1);
}
.hh-hero-card{
  position:absolute;right:-14px;bottom:-18px;
  background:var(--hh-surface);border:1px solid var(--hh-line);border-radius:12px;
  padding:14px 18px;box-shadow:var(--hh-shadow-2);min-width:168px;
}
.hh-hero-card b{display:block;font-family:var(--hh-num);font-variant-numeric:tabular-nums;font-size:24px;font-weight:800;color:var(--hh-brand-900);letter-spacing:-.02em}
.hh-hero-card i{font-style:normal;font-size:12px;color:var(--hh-muted)}

/* ============ 时间线 ============ */
.hh-timeline{position:relative;max-width:900px;margin-top:52px}
.hh-timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:22px;width:2px;
  background:var(--hh-line);
}
.hh-timeline li{position:relative;padding:0 0 40px 76px}
.hh-timeline li:last-child{padding-bottom:0}
.hh-step-node{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
  background:var(--hh-surface);border:2px solid var(--hh-accent);
  display:grid;place-items:center;
  font-family:var(--hh-font);font-size:18px;font-weight:800;color:var(--hh-accent);
  box-shadow:0 0 0 6px var(--hh-bg);
}
.hh-timeline h3{font-size:20px;font-weight:700;letter-spacing:-.01em}
.hh-timeline p{margin-top:8px;font-size:15px;color:var(--hh-muted);max-width:660px}
.hh-step-meta{display:inline-block;margin-top:10px;font-size:13px;font-weight:600;color:var(--hh-brand-500);font-family:var(--hh-num);font-variant-numeric:tabular-nums}

/* ============ 规格说明 ============ */
.hh-spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px 56px;margin-top:52px}
.hh-spec-block h3{font-size:18px;font-weight:700;padding-left:14px;position:relative;margin-bottom:8px}
.hh-spec-block h3::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;border-radius:2px;background:var(--hh-accent)}
.hh-spec-block dl{margin-top:12px}
.hh-spec-block .hh-spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:24px;
  padding:14px 0;border-bottom:1px solid var(--hh-line);
}
.hh-spec-block dt{font-size:14px;color:var(--hh-muted);flex:none}
.hh-spec-block dd{font-size:15px;font-weight:500;text-align:right}

/* ============ FAQ ============ */
.hh-faq{margin-top:44px;border-top:1px solid var(--hh-line)}
.hh-faq-item{border-bottom:1px solid var(--hh-line)}
.hh-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;background:transparent;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--hh-ink);text-align:left;line-height:1.5;
  transition:color 160ms var(--hh-ease);
}
.hh-faq-q:hover{color:var(--hh-accent)}
.hh-faq-sign{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform 200ms var(--hh-ease);
}
.hh-faq-sign::before,.hh-faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--hh-accent);border-radius:2px;
  transform:translate(-50%,-50%);
}
.hh-faq-sign::before{width:14px;height:2px}
.hh-faq-sign::after{width:2px;height:14px}
.hh-faq-item.is-open .hh-faq-sign{transform:rotate(45deg)}
.hh-faq-a{max-height:0;overflow:hidden;background:var(--hh-quiet);transition:max-height 220ms var(--hh-ease)}
.hh-faq-a p{padding:16px 20px;font-size:15px;color:var(--hh-muted);line-height:1.85}

/* ============ CTA ============ */
.hh-cta{
  background:var(--hh-brand-900);
  border-radius:20px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  position:relative;overflow:hidden;
}
.hh-cta::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
}
.hh-cta-copy{position:relative;z-index:1}
.hh-cta h2{color:#fff;font-size:clamp(22px,2.6vw,32px)}
.hh-cta p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;max-width:520px}
.hh-cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ============ 关联入口卡 ============ */
.hh-rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px}
.hh-card{
  display:block;background:var(--hh-surface);border:1px solid var(--hh-line);
  border-radius:var(--hh-radius-card);overflow:hidden;box-shadow:var(--hh-shadow-1);
  transition:transform 200ms var(--hh-ease),box-shadow 200ms var(--hh-ease);
}
.hh-card:hover{transform:translateY(-2px);box-shadow:var(--hh-shadow-2)}
.hh-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hh-card-body{padding:22px 24px 26px}
.hh-card-body h3{font-size:18px;font-weight:700}
.hh-card-body p{margin-top:10px;font-size:15px;color:var(--hh-muted)}
.hh-card-foot{
  margin-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--hh-muted);font-family:var(--hh-num);font-variant-numeric:tabular-nums;
}
.hh-card-foot b{color:var(--hh-accent);font-family:var(--hh-font);font-weight:700;font-size:13px}

/* ============ 页脚 ============ */
.hh-footer{background:var(--hh-brand-900);color:rgba(255,255,255,.72);margin-top:0;padding:72px 0 28px}
.hh-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.hh-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.hh-footer-brand b{color:#fff;font-size:17px;font-weight:800}
.hh-footer p{font-size:14px;line-height:1.85}
.hh-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.hh-footer-links li{margin-bottom:10px}
.hh-footer-links a,.hh-footer-friend a{font-size:14px;color:rgba(255,255,255,.72);transition:color 160ms var(--hh-ease)}
.hh-footer-links a:hover,.hh-footer-friend a:hover{color:var(--hh-accent)}
.hh-footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;align-items:flex-start}
.hh-footer-contact svg{width:18px;height:18px;flex:none;margin-top:4px;color:rgba(255,255,255,.55)}
.hh-footer-bar{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.hh-footer-bar p{font-size:13px;color:rgba(255,255,255,.58)}
.hh-footer-friend{display:flex;gap:20px;flex-wrap:wrap}

/* ============ 入场动效 ============ */
.hh-reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--hh-ease),transform .5s var(--hh-ease)}
.hh-reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .hh-reveal{opacity:1;transform:none}
}

/* ============ 断点 ============ */
@media (max-width:1200px){
  :root{--hh-side-w:88px}
  .hh-brand-text{display:none}
  .hh-side{padding:22px 12px 20px;align-items:center}
  .hh-side-brand{padding:0;margin-bottom:22px}
  .hh-nav a{justify-content:center;padding:0;width:52px}
  .hh-nav a>span:not(.hh-nav-ico){display:none}
  .hh-nav a::before{left:-8px}
  .hh-side-contact span{display:none}
  .hh-side-foot{width:100%}
  .hh-side-foot .hh-btn span{display:none}
}
@media (max-width:1024px){
  .hh-side{display:none}
  .hh-topbar{display:flex}
  .hh-main{margin-left:0}
  .hh-container{padding:0 24px}
  .hh-section{padding:72px 0}
  .hh-hero{padding:40px 0 64px}
  .hh-hero-grid{grid-template-columns:1fr;gap:36px}
  .hh-hero-fig{order:2}
  .hh-hero-card{right:12px;bottom:-16px}
  .hh-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (min-width:1025px){
  .hh-drawer{display:none}
}
@media (max-width:768px){
  .hh-container{padding:0 20px}
  .hh-section{padding:60px 0}
  .hh-hero h1{font-size:clamp(28px,7vw,38px)}
  .hh-hero-badges{flex-direction:column;border-bottom:0}
  .hh-hero-badges span{padding:12px 0;margin:0;border-bottom:1px solid var(--hh-line)}
  .hh-hero-badges span+span::before{display:none}
  .hh-hero-cta{flex-direction:column}
  .hh-hero-cta .hh-btn{width:100%}
  .hh-timeline li{padding:0 0 34px 62px}
  .hh-step-node{width:40px;height:40px;font-size:16px}
  .hh-timeline::before{left:19px}
  .hh-spec-grid{grid-template-columns:1fr;gap:34px}
  .hh-spec-block .hh-spec-row{flex-direction:column;gap:4px}
  .hh-spec-block dd{text-align:left}
  .hh-cta{flex-direction:column;align-items:flex-start;padding:34px 26px}
  .hh-cta-actions{width:100%}
  .hh-cta-actions .hh-btn{width:100%}
  .hh-rel-grid{grid-template-columns:1fr}
  .hh-footer{padding:56px 0 24px}
  .hh-footer-bar{justify-content:center;text-align:center}
}
@media (max-width:480px){
  .hh-container{padding:0 16px}
  .hh-hero-sub,.hh-lead{font-size:15px}
  .hh-faq-q{font-size:16px;padding:18px 0}
  .hh-timeline h3{font-size:18px}
  .hh-footer-grid{grid-template-columns:1fr;gap:28px}
  .hh-footer-friend{gap:14px}
}

/* roulang page: category3 */
:root{
  --hh-brand-900:#0C3A2E;
  --hh-brand-700:#145445;
  --hh-brand-500:#1E7A61;
  --hh-accent:#E2571E;
  --hh-accent-hover:#C44714;
  --hh-bg:#F7F6F2;
  --hh-surface:#FFFFFF;
  --hh-surface-2:#F0EFEA;
  --hh-ink:#10130F;
  --hh-muted:#5C6660;
  --hh-line:#E3E5E0;
  --hh-r-card:14px;
  --hh-r-img:16px;
  --hh-r-btn:10px;
  --hh-shadow:0 1px 2px rgba(16,19,15,.06);
  --hh-shadow-hover:0 10px 28px rgba(16,19,15,.10);
  --hh-side-w:236px;
  --hh-side-narrow:88px;
  --hh-maxw:1240px;
  --hh-ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--hh-bg);color:var(--hh-ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:0;font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
dl,dd,dt{margin:0}
:focus-visible{outline:2px solid var(--hh-accent);outline-offset:2px}
.hh-skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--hh-accent);color:#fff;padding:10px 16px;border-radius:0 0 10px 0}
.hh-skip:focus{left:0}

/* ============ 左侧竖向导航 ============ */
.hh-side{
  position:fixed;inset:0 auto 0 0;width:var(--hh-side-w);z-index:90;
  background:var(--hh-brand-900);display:flex;flex-direction:column;
  border-right:1px solid rgba(255,255,255,.08);
}
.hh-side-top{padding:22px 20px 16px;border-bottom:1px solid rgba(255,255,255,.10)}
.hh-brand{display:flex;align-items:center;gap:10px}
.hh-brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:var(--hh-accent);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.hh-brand-txt{display:flex;flex-direction:column;line-height:1.2}
.hh-brand-txt b{color:#fff;font-size:16.5px;font-weight:800;letter-spacing:-.01em}
.hh-brand-txt i{font-style:normal;color:rgba(255,255,255,.62);font-size:11.5px;letter-spacing:.16em;margin-top:2px}
.hh-side-caption{padding:18px 20px 6px;color:rgba(255,255,255,.42);font-size:11.5px;letter-spacing:.18em}
.hh-nav{display:flex;flex-direction:column;gap:2px;padding:6px 12px;flex:1 1 auto;overflow-y:auto}
.hh-nav a{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;border-radius:9px;
  color:rgba(255,255,255,.76);font-size:14.5px;font-weight:500;
  transition:background .18s var(--hh-ease),color .18s var(--hh-ease),padding-left .18s var(--hh-ease);
}
.hh-nav a::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:20px;border-radius:2px;background:var(--hh-accent);
  transform:translateY(-50%) scaleY(0);transition:transform .18s var(--hh-ease);
}
.hh-nav a:hover{background:rgba(255,255,255,.08);color:#fff;padding-left:16px}
.hh-nav a:hover::before,.hh-nav a.is-active::before{transform:translateY(-50%) scaleY(1)}
.hh-nav a.is-active{background:rgba(255,255,255,.11);color:#fff;font-weight:600}
.hh-nav-ico{width:20px;height:20px;flex:0 0 20px;display:inline-flex;align-items:center;justify-content:center}
.hh-nav-ico svg{width:20px;height:20px}
.hh-side-foot{padding:16px;border-top:1px solid rgba(255,255,255,.10);display:flex;flex-direction:column;gap:10px}
.hh-side-dl{
  display:flex;align-items:center;justify-content:center;height:44px;border-radius:var(--hh-r-btn);
  background:var(--hh-accent);color:#fff;font-weight:700;font-size:14.5px;
  transition:background .18s var(--hh-ease),transform .18s var(--hh-ease);
}
.hh-side-dl:hover{background:var(--hh-accent-hover);transform:translateY(-1px)}
.hh-side-dl:active{transform:translateY(1px)}
.hh-side-contact{
  display:flex;align-items:center;justify-content:center;height:42px;border-radius:var(--hh-r-btn);
  border:1px solid rgba(255,255,255,.26);color:rgba(255,255,255,.86);font-size:14px;
  transition:background .18s var(--hh-ease),border-color .18s var(--hh-ease);
}
.hh-side-contact:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.44)}

/* ============ 移动端顶栏与抽屉 ============ */
.hh-topbar{
  display:none;position:sticky;top:0;z-index:100;height:60px;padding:0 16px;
  background:var(--hh-brand-900);color:#fff;align-items:center;justify-content:space-between;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.hh-topbar .hh-brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:8px;font-size:15px}
.hh-topbar .hh-brand-txt b{font-size:15.5px}
.hh-burger{
  width:42px;height:42px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.24);transition:background .18s var(--hh-ease);
}
.hh-burger:hover{background:rgba(255,255,255,.10)}
.hh-burger span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.hh-burger span::before,.hh-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .2s var(--hh-ease)}
.hh-burger span::before{top:-6px}
.hh-burger span::after{top:6px}
.hh-drawer{
  position:fixed;inset:60px 0 0 0;z-index:95;background:var(--hh-brand-900);
  transform:translateX(-100%);transition:transform .2s var(--hh-ease);
  display:flex;flex-direction:column;overflow-y:auto;
}
.hh-drawer.is-open{transform:translateX(0)}
.hh-drawer .hh-nav{padding:14px 16px}
.hh-drawer .hh-nav a{height:48px;font-size:15.5px}
.hh-drawer-foot{padding:16px 20px 28px}
body.hh-lock{overflow:hidden}

/* ============ 内容骨架 ============ */
.hh-shell{margin-left:var(--hh-side-w)}
.hh-container{width:100%;max-width:var(--hh-maxw);margin:0 auto;padding:0 32px}
.hh-main{padding-bottom:24px}
.hh-section{padding:96px 0}
.hh-section--tight{padding:72px 0}
.hh-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--hh-accent);text-transform:uppercase;margin-bottom:14px;
}
.hh-eyebrow::before{content:"";width:24px;height:1px;background:var(--hh-accent)}
.hh-h2{font-size:clamp(24px,2.8vw,36px)}
.hh-lead{color:var(--hh-muted);font-size:16px;margin-top:14px;max-width:640px}
.hh-head{margin-bottom:44px}

/* ============ 页头 ============ */
.hh-pagehead{position:relative;overflow:hidden;background:var(--hh-surface);border-bottom:1px solid var(--hh-line)}
.hh-pagehead::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(12,58,46,.05) 0 1px,transparent 1px 84px),
                   repeating-linear-gradient(0deg,rgba(12,58,46,.04) 0 1px,transparent 1px 84px);
  pointer-events:none;
}
.hh-pagehead-mark{
  position:absolute;right:-40px;bottom:-40px;font-size:200px;font-weight:800;letter-spacing:-.04em;
  color:var(--hh-brand-900);opacity:.045;line-height:1;pointer-events:none;user-select:none;
}
.hh-pagehead-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding:72px 0}
.hh-crumb{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--hh-muted);margin-bottom:20px}
.hh-crumb a{transition:color .16s var(--hh-ease)}
.hh-crumb a:hover{color:var(--hh-accent)}
.hh-crumb span{color:#A9B1AA}
.hh-pagehead h1{font-size:clamp(32px,4.4vw,54px);max-width:14em}
.hh-pagehead h1 em{font-style:normal;color:var(--hh-accent)}
.hh-pagehead-sub{margin-top:18px;font-size:17px;color:var(--hh-muted);max-width:34em}
.hh-pagehead-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hh-badge{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--hh-surface-2);border:1px solid var(--hh-line);font-size:13px;color:var(--hh-muted);
}
.hh-badge b{color:var(--hh-ink);font-weight:700}
.hh-pagehead-figure{position:relative;border-radius:var(--hh-r-img);overflow:hidden;aspect-ratio:4/3;border:1px solid var(--hh-line);box-shadow:var(--hh-shadow)}
.hh-pagehead-figure img{width:100%;height:100%;object-fit:cover}

/* ============ 数据卡 ============ */
.hh-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.hh-stat{
  background:var(--hh-surface);border:1px solid var(--hh-line);border-radius:var(--hh-r-card);
  padding:30px 28px;box-shadow:var(--hh-shadow);
  transition:transform .22s var(--hh-ease),box-shadow .22s var(--hh-ease),border-color .22s var(--hh-ease);
}
.hh-stat:hover{transform:translateY(-2px);box-shadow:var(--hh-shadow-hover);border-color:#D6DAD3}
.hh-stat-num{display:flex;align-items:baseline;gap:6px;font-size:40px;font-weight:800;color:var(--hh-brand-900);letter-spacing:-.03em;line-height:1}
.hh-stat-num small{font-size:15px;font-weight:600;color:var(--hh-muted)}
.hh-stat-label{margin-top:12px;font-size:13px;color:var(--hh-muted);letter-spacing:.04em}
.hh-stat-note{margin-top:8px;font-size:14.5px;color:#38423C;line-height:1.7}

/* ============ 规格定义列表 ============ */
.hh-spec-wrap{display:grid;grid-template-columns:repeat(1,1fr);gap:44px}
.hh-spec-group h3{font-size:19px;display:flex;align-items:center;gap:10px;margin-bottom:6px}
.hh-spec-group h3::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--hh-accent)}
.hh-spec-group p.hh-spec-hint{font-size:14px;color:var(--hh-muted);margin-bottom:10px}
.hh-spec-row{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:15px 0;border-top:1px solid var(--hh-line)}
.hh-spec-row dt{color:var(--hh-muted);font-size:14.5px}
.hh-spec-row dd{font-weight:500;color:var(--hh-ink);font-size:15.5px}
.hh-spec-group{border-bottom:1px solid var(--hh-line);padding-bottom:26px}

/* ============ 评价卡 ============ */
.hh-review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.hh-review{
  background:var(--hh-surface);border:1px solid var(--hh-line);border-radius:var(--hh-r-card);
  padding:26px 24px;box-shadow:var(--hh-shadow);display:flex;flex-direction:column;
  transition:transform .22s var(--hh-ease),box-shadow .22s var(--hh-ease);
}
.hh-review:hover{transform:translateY(-2px);box-shadow:var(--hh-shadow-hover)}
.hh-stars{display:flex;gap:3px;color:var(--hh-accent);margin-bottom:14px}
.hh-stars svg{width:15px;height:15px}
.hh-review p{font-size:15px;line-height:1.8;color:#333C36;flex:1 1 auto}
.hh-review-foot{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--hh-line)}
.hh-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;flex:0 0 36px;border:1px solid var(--hh-line)}
.hh-review-who b{display:block;font-size:14.5px;font-weight:700;line-height:1.35}
.hh-review-who span{font-size:12.5px;color:var(--hh-muted)}

/* ============ 下载按钮组 ============ */
.hh-dl-card{
  background:var(--hh-surface);border:1px solid var(--hh-line);border-radius:20px;padding:40px;
  box-shadow:var(--hh-shadow);
}
.hh-dl-top{display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center}
.hh-dl-title{font-size:clamp(22px,2.4vw,30px)}
.hh-dl-desc{color:var(--hh-muted);margin-top:12px;font-size:15.5px;max-width:36em}
.hh-dl-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hh-btn{
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 26px;border-radius:var(--hh-r-btn);
  font-weight:700;font-size:15.5px;transition:background .18s var(--hh-ease),color .18s var(--hh-ease),
  border-color .18s var(--hh-ease),transform .18s var(--hh-ease),box-shadow .18s var(--hh-ease);
}
.hh-btn svg{width:18px;height:18px}
.hh-btn--primary{background:var(--hh-accent);color:#fff;box-shadow:0 1px 2px rgba(226,87,30,.28)}
.hh-btn--primary:hover{background:var(--hh-accent-hover);transform:translateY(-2px)}
.hh-btn--primary:hover .hh-arrow{transform:translateX(4px)}
.hh-btn--ghost{border:1px solid var(--hh-brand-700);color:var(--hh-brand-900);background:transparent}
.hh-btn--ghost:hover{background:rgba(12,58,46,.08);transform:translateY(-2px)}
.hh-btn:active{transform:translateY(1px)}
.hh-arrow{transition:transform .2s var(--hh-ease)}
.hh-platforms{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px}
.hh-platform{
  display:flex;align-items:center;gap:12px;padding:16px;border:1px solid var(--hh-line);border-radius:12px;
  background:var(--hh-bg);transition:border-color .18s var(--hh-ease),background .18s var(--hh-ease),transform .18s var(--hh-ease);
}
.hh-platform:hover{border-color:var(--hh-brand-500);background:#fff;transform:translateY(-2px)}
.hh-platform svg{width:22px;height:22px;color:var(--hh-brand-700);flex:0 0 22px}
.hh-platform b{display:block;font-size:14.5px;font-weight:700;line-height:1.35}
.hh-platform small{display:block;font-size:12px;color:var(--hh-muted)}
.hh-qr{
  width:120px;height:120px;border:1px solid var(--hh-line);border-radius:12px;background:var(--hh-bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;
}
.hh-qr-code{
  width:60px;height:60px;border-radius:6px;
  background-image:linear-gradient(90deg,var(--hh-brand-900) 50%,transparent 50%),
                   linear-gradient(0deg,var(--hh-brand-900) 50%,transparent 50%);
  background-size:8px 8px;background-position:0 0,4px 4px;opacity:.85;
}
.hh-qr span{font-size:11.5px;color:var(--hh-muted);letter-spacing:.04em}

/* ============ FAQ ============ */
.hh-faq{border-top:1px solid var(--hh-line)}
.hh-faq-item{border-bottom:1px solid var(--hh-line)}
.hh-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--hh-ink);transition:color .18s var(--hh-ease);
}
.hh-faq-q:hover{color:var(--hh-accent)}
.hh-faq-sign{position:relative;width:20px;height:20px;flex:0 0 20px}
.hh-faq-sign::before,.hh-faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--hh-accent);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .2s var(--hh-ease);
}
.hh-faq-sign::before{width:14px;height:2px}
.hh-faq-sign::after{width:2px;height:14px}
.hh-faq-item.is-open .hh-faq-sign::after{transform:translate(-50%,-50%) rotate(90deg)}
.hh-faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--hh-ease)}
.hh-faq-item.is-open .hh-faq-a{max-height:320px}
.hh-faq-a-inner{background:#FAFAF8;border-radius:10px;padding:16px 20px;margin-bottom:22px;color:#3B453F;font-size:15px;line-height:1.85}

/* ============ CTA 条 ============ */
.hh-cta{
  background:var(--hh-brand-900);border-radius:20px;padding:48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;overflow:hidden;
}
.hh-cta::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
}
.hh-cta h2{font-size:clamp(22px,2.5vw,32px);color:#fff;position:relative}
.hh-cta p{color:rgba(255,255,255,.72);margin-top:12px;font-size:15.5px;max-width:40em;position:relative}
.hh-cta .hh-btn{position:relative;white-space:nowrap}

/* ============ 页脚 ============ */
.hh-footer{background:var(--hh-brand-900);color:rgba(255,255,255,.72);margin-top:24px;padding:72px 0 0}
.hh-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.hh-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.hh-footer-brand b{color:#fff;font-size:17px;font-weight:800;letter-spacing:-.01em}
.hh-footer p{font-size:14px;line-height:1.85}
.hh-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.hh-footer-links li{margin-bottom:10px}
.hh-footer-links a{font-size:14px;transition:color .16s var(--hh-ease),padding-left .16s var(--hh-ease);display:inline-block}
.hh-footer-links a:hover{color:var(--hh-accent);padding-left:3px}
.hh-footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;line-height:1.7}
.hh-footer-contact svg{width:18px;height:18px;flex:0 0 18px;margin-top:4px;color:rgba(255,255,255,.5)}
.hh-footer-bar{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:18px;font-size:13px;flex-wrap:wrap;
}
.hh-footer-friend{display:flex;gap:18px;flex-wrap:wrap}
.hh-footer-friend a{font-size:13px;transition:color .16s var(--hh-ease)}
.hh-footer-friend a:hover{color:var(--hh-accent)}

/* ============ 入场动效 ============ */
.hh-reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--hh-ease),transform .5s var(--hh-ease)}
.hh-reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .hh-reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .hh-container{padding:0 28px}
}
@media (max-width:1199px){
  :root{--hh-side-w:var(--hh-side-narrow)}
  .hh-brand-txt,.hh-side-caption,.hh-nav a span:not(.hh-nav-ico),.hh-side-dl,.hh-side-contact{display:none}
  .hh-side-top{padding:20px 0;display:flex;justify-content:center}
  .hh-brand{justify-content:center}
  .hh-nav{padding:8px 12px}
  .hh-nav a{justify-content:center;padding:0;height:46px}
  .hh-nav a:hover{padding-left:0}
  .hh-side-foot{align-items:center}
  .hh-side-foot .hh-side-contact{width:44px;height:44px}
  .hh-pagehead-inner{grid-template-columns:1fr;gap:36px;padding:56px 0}
  .hh-pagehead-figure{aspect-ratio:16/9}
}
@media (max-width:1023px){
  .hh-side{display:none}
  .hh-topbar{display:flex}
  .hh-shell{margin-left:0}
  .hh-section{padding:64px 0}
  .hh-section--tight{padding:56px 0}
  .hh-head{margin-bottom:32px}
  .hh-dl-top{grid-template-columns:1fr}
  .hh-platforms{grid-template-columns:repeat(2,1fr)}
  .hh-review-grid{grid-template-columns:repeat(2,1fr)}
  .hh-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hh-cta{flex-direction:column;align-items:flex-start;padding:36px}
}
@media (max-width:767px){
  .hh-container{padding:0 20px}
  .hh-section{padding:56px 0}
  .hh-stats{grid-template-columns:repeat(2,1fr);gap:14px}
  .hh-stat{padding:22px 18px}
  .hh-stat-num{font-size:32px}
  .hh-spec-row{grid-template-columns:1fr;gap:4px;padding:14px 0}
  .hh-spec-row dt{font-size:13.5px}
  .hh-review-grid{grid-template-columns:1fr}
  .hh-dl-card{padding:26px 20px}
  .hh-pagehead h1{max-width:none}
  .hh-pagehead-mark{font-size:120px;right:-20px;bottom:-24px}
  .hh-faq-q{font-size:16px;padding:18px 0}
  .hh-footer{padding:56px 0 0}
  .hh-footer-grid{padding-bottom:36px}
  .hh-footer-bar{flex-direction:column;align-items:flex-start;text-align:left}
  .hh-cta{padding:28px 22px;border-radius:16px}
}
@media (max-width:519px){
  .hh-stats{grid-template-columns:1fr}
  .hh-platforms{grid-template-columns:repeat(2,1fr)}
  .hh-dl-actions{flex-direction:column;align-items:stretch}
  .hh-btn{width:100%;justify-content:center}
  .hh-cta .hh-btn{width:100%}
  .hh-pagehead-inner{padding:44px 0}
  .hh-pagehead-sub{font-size:15.5px}
  .hh-footer-grid{grid-template-columns:1fr}
  .hh-qr{width:100%;height:auto;padding:18px 12px}
}