/* roulang page: index */
:root{
  --green-900:#0B1F19;
  --green-800:#0F3D2E;
  --green-700:#1B5C46;
  --lime:#C9F24D;
  --lime-soft:rgba(201,242,77,.16);
  --orange:#FF6B2C;
  --orange-dark:#E85A1F;
  --mist:#F4F6F2;
  --card:#FFFFFF;
  --text:#12211C;
  --text-2:#5B6B64;
  --inv:#F2F7F3;
  --inv-2:rgba(242,247,243,.72);
  --inv-3:rgba(242,247,243,.55);
  --line:#E2E8E2;
  --line-dark:rgba(255,255,255,.12);
  --radius-card:16px;
  --radius-img:14px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(11,31,25,.06),0 12px 32px -12px rgba(11,31,25,.18);
  --shadow-hover:0 20px 44px -16px rgba(11,31,25,.24);
  --container:1200px;
  --gutter:24px;
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Barlow Condensed','DIN Alternate','Arial Narrow',sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--card);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.ht-container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
.ht-section{padding:96px 0;}
.ht-section--tight{padding:72px 0;}
.ht-eyebrow{
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--green-700);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.ht-eyebrow::before{
  content:"";
  width:18px;height:2px;border-radius:2px;background:var(--lime);
}
.ht-h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;margin-top:14px;}
.ht-sub{color:var(--text-2);font-size:15px;line-height:1.8;margin-top:12px;max-width:660px;}
.ht-num{font-family:var(--font-num);font-weight:700;letter-spacing:.02em;}

/* ---------- header / nav ---------- */
.ht-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  padding:16px 20px;transition:padding .25s ease;
}
.ht-header.is-scrolled{padding:10px 20px;}
.ht-nav{
  max-width:1160px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 20px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.74);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.5);
  box-shadow:0 14px 34px -22px rgba(11,31,25,.5);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
.ht-header.is-scrolled .ht-nav{height:56px;background:#fff;box-shadow:var(--shadow);border-color:var(--line);}
.ht-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ht-brand-mark{
  position:relative;width:34px;height:34px;flex:0 0 34px;
  border-radius:10px;background:var(--green-800);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.ht-brand-mark::before{
  content:"";position:absolute;width:26px;height:26px;border-radius:50%;
  border:1px solid rgba(201,242,77,.55);
  left:-8px;top:8px;
}
.ht-brand-slash{
  position:relative;width:6px;height:16px;background:var(--lime);
  border-radius:2px;transform:skewX(-16deg);z-index:1;
}
.ht-brand-text{
  font-weight:800;font-size:17px;letter-spacing:-.02em;color:var(--green-900);
  display:flex;align-items:baseline;gap:6px;white-space:nowrap;
}
.ht-brand-text span{font-size:12px;font-weight:600;color:var(--text-2);letter-spacing:0;}
.ht-nav-menu{display:flex;align-items:center;gap:4px;margin-left:10px;flex:1 1 auto;}
.ht-nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--text-2);
  border-radius:var(--radius-pill);transition:color .18s ease,transform .12s ease,background .18s ease;
}
.ht-nav-link:hover{color:var(--green-900);transform:translateY(-1px);background:rgba(15,61,46,.05);}
.ht-nav-link.active{color:var(--green-900);font-weight:600;}
.ht-nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:4px;border-radius:4px;background:var(--lime);
}
.ht-nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-pill);
  background:var(--orange);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 12px 24px -14px rgba(255,107,44,.9);
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.ht-nav-cta:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 18px 30px -14px rgba(255,107,44,.95);}
.ht-nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);
  border-radius:14px;background:#fff;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;cursor:pointer;
}
.ht-nav-toggle i{display:block;width:18px;height:2px;border-radius:2px;background:var(--green-900);transition:.2s;}
.ht-nav-toggle.is-open i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.ht-nav-toggle.is-open i:nth-child(2){opacity:0;}
.ht-nav-toggle.is-open i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.ht-nav-panel{
  display:none;max-width:1160px;margin:10px auto 0;background:#fff;
  border-radius:0 0 20px 20px;box-shadow:var(--shadow);padding:10px 16px 20px;
  border:1px solid var(--line);border-top:none;
}
.ht-nav-panel.is-open{display:block;}
.ht-nav-panel a{
  display:block;line-height:48px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.ht-nav-panel a:last-of-type{border-bottom:none;}
.ht-nav-panel .ht-panel-cta{
  margin-top:14px;text-align:center;background:var(--orange);color:#fff;
  border-radius:var(--radius-pill);border-bottom:none;font-weight:600;
}

/* ---------- hero ---------- */
.ht-hero{
  position:relative;overflow:hidden;background:var(--green-900);
  padding:150px 0 0;color:var(--inv);
}
.ht-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.ht-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,31,25,.92) 0%,rgba(11,31,25,.66) 55%,rgba(11,31,25,.34) 100%),
             linear-gradient(to bottom,rgba(11,31,25,.55) 0%,rgba(11,31,25,.35) 45%,rgba(11,31,25,.95) 100%);
}
.ht-hero .ht-container{position:relative;z-index:2;}
.ht-hero-row{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.ht-hero h1{
  font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  margin-top:18px;color:#fff;
}
.ht-hero h1 em{font-style:normal;color:var(--lime);}
.ht-hero-lede{margin-top:20px;font-size:17px;line-height:1.8;color:var(--inv-2);max-width:560px;}
.ht-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.ht-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(242,247,243,.28);
  font-size:13px;color:var(--inv-2);background:rgba(242,247,243,.06);
}
.ht-badge i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:block;}
.ht-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.ht-btn{
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 28px;border-radius:var(--radius-pill);
  font-size:16px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.ht-btn svg{width:16px;height:16px;transition:transform .18s ease;}
.ht-btn:hover svg{transform:translateX(3px);}
.ht-btn--primary{background:var(--orange);color:#fff;box-shadow:0 16px 30px -16px rgba(255,107,44,.95);}
.ht-btn--primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);}
.ht-btn--primary:active{transform:translateY(0);}
.ht-btn--ghost{background:transparent;color:var(--inv);border-color:rgba(201,242,77,.65);}
.ht-btn--ghost:hover{background:var(--lime-soft);color:#fff;border-color:var(--lime);transform:translateY(-2px);}
.ht-btn--dark{background:var(--green-800);color:#fff;}
.ht-btn--dark:hover{background:var(--green-900);color:#fff;transform:translateY(-2px);}

.ht-phone-wrap{position:relative;display:flex;justify-content:center;align-items:center;min-height:460px;}
.ht-arc{
  position:absolute;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(201,242,77,.22);right:-120px;top:-40px;
}
.ht-arc--sm{width:360px;height:360px;right:auto;left:-90px;top:auto;bottom:-120px;border-color:rgba(242,247,243,.14);}
.ht-phone{
  position:relative;z-index:2;width:312px;border-radius:30px;padding:7px;
  background:var(--green-800);
  box-shadow:0 40px 70px -30px rgba(0,0,0,.7);
  transform:rotate(-3deg);
  clip-path:polygon(0 14px,14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
}
.ht-phone-screen{
  background:#0F2119;border-radius:24px;overflow:hidden;position:relative;
}
.ht-phone-bar{height:26px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;font-family:var(--font-num);font-size:12px;color:rgba(242,247,243,.7);}
.ht-phone-screen img{width:100%;height:390px;object-fit:cover;}
.ht-phone-home{height:26px;display:flex;align-items:center;justify-content:center;}
.ht-phone-home span{width:78px;height:4px;border-radius:4px;background:rgba(242,247,243,.35);display:block;}

.ht-stats{
  position:relative;z-index:2;margin-top:64px;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line-dark);
  border-bottom:1px solid var(--line-dark);
}
.ht-stat{padding:26px 22px;border-right:1px solid var(--line-dark);}
.ht-stat:last-child{border-right:none;}
.ht-stat b{display:block;font-family:var(--font-num);font-size:clamp(30px,4vw,44px);line-height:1.05;font-weight:700;color:var(--lime);}
.ht-stat span{display:block;margin-top:8px;font-size:13px;color:var(--inv-3);}

/* ---------- trust strip ---------- */
.ht-trust{background:var(--mist);border-bottom:1px solid var(--line);}
.ht-trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;}
.ht-trust-item{
  display:flex;gap:12px;align-items:flex-start;padding:22px 20px;
  background:var(--mist);border-right:1px solid var(--line);
}
.ht-trust-item:last-child{border-right:none;}
.ht-trust-item svg{width:20px;height:20px;flex:0 0 20px;stroke:var(--green-700);margin-top:4px;}
.ht-trust-item p{font-size:14px;line-height:1.7;color:var(--text-2);}
.ht-trust-item strong{color:var(--text);font-weight:600;display:block;font-size:14px;margin-bottom:2px;}

/* ---------- value timeline ---------- */
.ht-rows{border-top:1px solid var(--line);margin-top:40px;}
.ht-row{
  display:grid;grid-template-columns:120px 1fr 56px;gap:28px;align-items:center;
  padding:30px 16px;border-bottom:1px solid var(--line);
  transition:background .22s ease;
}
.ht-row:hover{background:var(--mist);}
.ht-row-num{font-family:var(--font-num);font-size:44px;font-weight:700;color:var(--lime);line-height:1;letter-spacing:.02em;}
.ht-row-body h3{font-size:20px;font-weight:600;}
.ht-row-body p{margin-top:8px;font-size:15px;color:var(--text-2);line-height:1.75;max-width:720px;}
.ht-row-go{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--green-800);
  transition:transform .22s ease,background .22s ease,border-color .22s ease;
}
.ht-row:hover .ht-row-go{transform:translateX(6px);background:var(--green-800);color:#fff;border-color:var(--green-800);}
.ht-row-go svg{width:18px;height:18px;}

/* ---------- shots carousel ---------- */
.ht-shots-wrap{position:relative;margin-top:40px;}
.ht-shots{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:8px;scrollbar-width:none;
}
.ht-shots::-webkit-scrollbar{display:none;}
.ht-shot{flex:0 0 calc((100% - 48px)/2.5);scroll-snap-align:start;}
.ht-shot-img{
  border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);
  background:var(--mist);aspect-ratio:16/10;
}
.ht-shot-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.ht-shot:hover .ht-shot-img img{transform:scale(1.03);}
.ht-shot h3{margin-top:16px;font-size:17px;font-weight:600;}
.ht-shot p{margin-top:6px;font-size:14px;color:var(--text-2);}
.ht-dots{display:flex;gap:8px;margin-top:26px;}
.ht-dot{
  width:10px;height:10px;border-radius:var(--radius-pill);border:none;padding:0;
  background:#D3DCD5;cursor:pointer;transition:width .25s ease,background .25s ease;
}
.ht-dot.is-active{width:34px;background:var(--lime);}

/* ---------- system requirements ---------- */
.ht-req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;}
.ht-req{
  background:var(--mist);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.ht-req:hover{background:#fff;transform:translateY(-2px);box-shadow:var(--shadow);}
.ht-req-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.ht-req-head h3{font-size:17px;font-weight:600;display:flex;align-items:center;gap:10px;}
.ht-req-head h3 svg{width:20px;height:20px;stroke:var(--green-700);}
.ht-pill{font-size:12px;padding:4px 10px;border-radius:var(--radius-pill);white-space:nowrap;}
.ht-pill--lime{background:var(--lime);color:var(--green-800);font-weight:600;}
.ht-pill--mist{background:#E7EDE7;color:var(--text-2);}
.ht-pill--soft{background:rgba(15,61,46,.08);color:var(--green-800);}
.ht-kv{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed #D6DFD6;font-size:14px;}
.ht-kv:last-child{border-bottom:none;}
.ht-kv dt{color:var(--text-2);}
.ht-kv dd{margin:0;color:var(--text);font-weight:600;text-align:right;}

/* ---------- reviews wall ---------- */
.ht-wall{column-count:3;column-gap:24px;margin-top:40px;}
.ht-quote{
  break-inside:avoid;margin-bottom:24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;box-shadow:0 1px 2px rgba(11,31,25,.05);
  transition:transform .2s ease,box-shadow .2s ease;
}
.ht-quote:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.ht-stars{display:flex;gap:3px;margin-bottom:12px;}
.ht-stars svg{width:15px;height:15px;fill:var(--lime);stroke:var(--lime);}
.ht-quote p{font-size:15px;line-height:1.8;color:var(--text);}
.ht-quote-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--text-2);}
.ht-quote-meta img{width:34px;height:34px;border-radius:50%;object-fit:cover;}
.ht-quote-meta span{display:inline-flex;align-items:center;gap:10px;}
.ht-quote-meta i{display:inline-block;width:1px;height:12px;background:var(--line);}

/* ---------- news ---------- */
.ht-news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.ht-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--green-800);}
.ht-more svg{width:16px;height:16px;transition:transform .18s ease;}
.ht-more:hover{color:var(--green-900);}
.ht-more:hover svg{transform:translateX(3px);}
.ht-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px;}
.ht-news{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:0 1px 2px rgba(11,31,25,.05);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.ht-news:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.ht-news-thumb{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--mist);}
.ht-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.ht-news:hover .ht-news-thumb img{transform:scale(1.03);}
.ht-news-tag{
  position:absolute;left:14px;top:14px;background:var(--lime);color:var(--green-800);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--radius-pill);
}
.ht-news-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.ht-news-body h3{font-size:18px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ht-news-body h3 a:hover{color:var(--green-700);}
.ht-news-body p{
  margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ht-news-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-2);font-family:var(--font-num);letter-spacing:.02em;
}
.ht-news-meta span{font-family:var(--font-cn);display:inline-flex;align-items:center;gap:6px;color:var(--green-800);font-weight:600;}
.ht-empty{
  margin-top:36px;padding:56px 24px;text-align:center;border:1px dashed var(--line);
  border-radius:var(--radius-card);background:var(--mist);
}
.ht-empty svg{width:36px;height:36px;stroke:var(--green-700);margin:0 auto 14px;}
.ht-empty p{color:var(--text-2);font-size:15px;}
.ht-empty a{
  display:inline-flex;margin-top:18px;height:44px;padding:0 22px;align-items:center;
  border-radius:var(--radius-pill);background:var(--green-800);color:#fff;font-size:15px;font-weight:600;
}
.ht-empty a:hover{background:var(--green-900);color:#fff;}

/* ---------- download cta ---------- */
.ht-dl{
  position:relative;overflow:hidden;background:var(--green-900);color:var(--inv);
  border-radius:24px;padding:56px 48px;
}
.ht-dl::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(201,242,77,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.ht-dl-arc{
  position:absolute;width:460px;height:460px;border-radius:50%;
  border:1px solid rgba(201,242,77,.18);right:-140px;bottom:-180px;
}
.ht-dl-mark{
  position:absolute;right:36px;top:6px;font-size:110px;font-weight:800;
  color:rgba(242,247,243,.05);letter-spacing:.04em;font-family:var(--font-num);line-height:1;
}
.ht-dl-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr auto 1fr;gap:40px;align-items:center;}
.ht-dl h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:#fff;line-height:1.3;}
.ht-dl p{margin-top:14px;font-size:15px;color:var(--inv-2);max-width:460px;}
.ht-dl-ver{margin-top:22px;display:flex;flex-wrap:wrap;gap:14px;font-family:var(--font-num);font-size:14px;color:var(--lime);letter-spacing:.04em;}
.ht-dl-ver i{display:inline-block;width:1px;height:12px;background:var(--line-dark);align-self:center;}
.ht-qr{
  width:172px;text-align:center;
}
.ht-qr-box{
  width:160px;height:160px;background:#fff;border-radius:8px;padding:8px;
  display:grid;grid-template-columns:repeat(6,1fr);grid-template-rows:repeat(6,1fr);gap:3px;
}
.ht-qr-box span{background:var(--mist);border-radius:2px;}
.ht-qr-box span.on{background:var(--green-800);}
.ht-qr p{margin-top:12px;font-size:12px;color:var(--inv-3);}
.ht-dl-btns{display:flex;flex-direction:column;gap:12px;}
.ht-dl-btn{
  display:flex;align-items:center;gap:14px;height:56px;padding:0 20px;
  border-radius:var(--radius-pill);border:1.5px solid var(--line-dark);
  background:rgba(242,247,243,.06);color:#fff;transition:.2s ease;
}
.ht-dl-btn:hover{background:rgba(242,247,243,.14);color:#fff;transform:translateY(-2px);}
.ht-dl-btn svg{width:22px;height:22px;stroke:var(--lime);flex:0 0 22px;}
.ht-dl-btn b{display:block;font-size:15px;font-weight:600;line-height:1.2;}
.ht-dl-btn em{font-style:normal;display:block;font-size:12px;color:var(--inv-3);}
.ht-dl-btn--main{background:var(--orange);border-color:var(--orange);}
.ht-dl-btn--main:hover{background:var(--orange-dark);border-color:var(--orange-dark);}
.ht-dl-btn--main svg{stroke:#fff;}

/* ---------- faq ---------- */
.ht-faq{margin-top:36px;}
.ht-faq .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-img) !important;
  margin-bottom:12px;overflow:hidden;
}
.ht-faq .accordion-button{
  position:relative;width:100%;display:block;text-align:left;
  padding:20px 56px 20px 22px;font-size:16px;font-weight:600;color:var(--text);
  background:#fff;border-radius:var(--radius-img) !important;box-shadow:none;
}
.ht-faq .accordion-button:not(.collapsed){
  background:#F4F6F2;color:var(--green-900);
  box-shadow:inset 3px 0 0 var(--lime);
}
.ht-faq .accordion-button:focus{box-shadow:none;border-color:var(--line);}
.ht-faq .accordion-button::before{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:2px;border-radius:2px;
  background:var(--green-800);transform:translateY(-50%);
}
.ht-faq .accordion-button::after{
  content:"";position:absolute;right:30px;top:50%;width:2px;height:14px;border-radius:2px;
  background:var(--green-800);transform:translateY(-50%);
  background-image:none;transition:transform .25s ease,opacity .25s ease;
}
.ht-faq .accordion-button[aria-expanded="true"]::after{transform:translateY(-50%) scaleY(0);opacity:0;}
.ht-faq .accordion-body{padding:4px 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- footer ---------- */
.ht-footer{background:var(--green-900);color:var(--inv);padding:72px 0 40px;margin-top:0;}
.ht-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:0;}
.ht-fcol{padding:0 28px;border-right:1px solid var(--line-dark);}
.ht-fcol:first-child{padding-left:0;}
.ht-fcol:last-child{border-right:none;padding-right:0;}
.ht-fcol h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.ht-fcol p{font-size:14px;line-height:1.8;color:var(--inv-2);}
.ht-fcol ul li{margin-bottom:10px;}
.ht-fcol ul a{font-size:14px;color:var(--inv-2);transition:color .18s ease,padding-left .18s ease;}
.ht-fcol ul a:hover{color:var(--lime);padding-left:3px;}
.ht-fbrand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.ht-fbrand .ht-brand-mark{background:rgba(242,247,243,.1);}
.ht-fbrand b{color:#fff;font-size:17px;font-weight:800;letter-spacing:-.02em;}
.ht-social{display:flex;gap:10px;margin-top:18px;}
.ht-social span{
  width:36px;height:36px;border-radius:12px;border:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:center;
}
.ht-social svg{width:17px;height:17px;stroke:var(--inv-2);}
.ht-footer-bottom{
  margin-top:52px;padding-top:26px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:14px 26px;justify-content:center;
  font-size:13px;color:var(--inv-3);text-align:center;
}

/* ---------- mobile download bar ---------- */
.ht-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1050;
  display:none;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(11,31,25,.96);border-top:1px solid var(--line-dark);
  transform:translateY(120%);opacity:0;transition:transform .3s ease,opacity .3s ease;
}
.ht-mobile-bar.is-show{transform:translateY(0);opacity:1;}
.ht-mobile-bar p{font-size:12px;color:var(--inv-2);line-height:1.4;flex:1;}
.ht-mobile-bar strong{display:block;color:#fff;font-size:14px;}
.ht-mobile-bar a{
  flex:0 0 auto;height:44px;padding:0 20px;border-radius:var(--radius-pill);
  background:var(--orange);color:#fff;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .ht-hero-row{grid-template-columns:1fr;gap:36px;}
  .ht-phone-wrap{min-height:400px;}
  .ht-shot{flex:0 0 calc((100% - 24px)/2);}
}
@media (max-width:991px){
  .ht-section{padding:72px 0;}
  .ht-nav-menu,.ht-nav-cta{display:none;}
  .ht-nav-toggle{display:flex;}
  .ht-hero{padding-top:132px;}
  .ht-stats{grid-template-columns:repeat(2,1fr);}
  .ht-stat:nth-child(2n){border-right:none;}
  .ht-stat:nth-child(-n+2){border-bottom:1px solid var(--line-dark);}
  .ht-trust-grid{grid-template-columns:repeat(2,1fr);}
  .ht-trust-item:nth-child(2n){border-right:none;}
  .ht-trust-item{border-bottom:1px solid var(--line);}
  .ht-req-grid{grid-template-columns:1fr 1fr;}
  .ht-wall{column-count:2;}
  .ht-news-grid{grid-template-columns:repeat(2,1fr);}
  .ht-dl{padding:44px 32px;}
  .ht-dl-grid{grid-template-columns:1fr;gap:32px;}
  .ht-dl-btns{flex-direction:row;flex-wrap:wrap;}
  .ht-dl-btns .ht-dl-btn{flex:1 1 220px;}
  .ht-qr{margin:0 auto;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px 0;}
  .ht-fcol{border-right:none;padding:0;}
  .ht-fcol:nth-child(odd){padding-right:20px;}
  .ht-footer{padding-bottom:110px;}
}
@media (max-width:767px){
  .ht-section{padding:56px 0;}
  .ht-container{padding:0 18px;}
  .ht-news-grid{grid-template-columns:1fr;}
  .ht-shot{flex:0 0 calc(100%/1.2);}
  .ht-row{grid-template-columns:64px 1fr;gap:16px;padding:24px 8px;}
  .ht-row-num{font-size:34px;}
  .ht-row-go{display:none;}
  .ht-mobile-bar{display:flex;}
  .ht-phone{width:270px;}
  .ht-phone-screen img{height:320px;}
}
@media (max-width:575px){
  .ht-hero{padding-top:120px;}
  .ht-badges{gap:8px;}
  .ht-actions .ht-btn{width:100%;justify-content:center;}
  .ht-req-grid{grid-template-columns:1fr;}
  .ht-wall{column-count:1;}
  .ht-trust-grid{grid-template-columns:1fr;}
  .ht-trust-item{border-right:none;}
  .ht-dl{padding:32px 20px;border-radius:20px;}
  .ht-dl-btns{flex-direction:column;}
  .ht-footer-grid{grid-template-columns:1fr;}
  .ht-fcol{padding:0 !important;}
}

/* roulang page: category1 */
:root{
  --green:#0F3D2E;
  --green-light:#1B5C46;
  --lime:#C9F24D;
  --orange:#FF6B2C;
  --dark:#0B1F19;
  --mist:#F4F6F2;
  --card:#FFFFFF;
  --ink:#12211C;
  --ink-2:#5B6B64;
  --line:#E2E8E2;
  --inv:#F2F7F3;
  --inv-2:rgba(242,247,243,.72);
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,25,.06), 0 12px 32px -12px rgba(11,31,25,.18);
  --sh-2:0 20px 44px -16px rgba(11,31,25,.24);
  --sp:8px;
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Barlow Condensed','DIN Alternate','Arial Narrow',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--mist);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--green-light);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.ht-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.eyebrow{
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--green-light);
  font-weight:600;
}

/* ============ 悬浮胶囊导航 ============ */
.ht-header{
  position:fixed;
  top:14px;left:0;right:0;
  z-index:1040;
  padding:0 18px;
  transition:top .25s ease;
}
.ht-nav{
  max-width:1160px;
  margin:0 auto;
  height:64px;
  padding:0 20px;
  display:flex;
  align-items:center;
  gap:18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.5), 0 8px 24px -14px rgba(11,31,25,.35);
  transition:height .25s ease, background .25s ease, box-shadow .25s ease;
}
.ht-header.is-scrolled .ht-nav{
  height:56px;
  background:rgba(255,255,255,.98);
  box-shadow:inset 0 0 0 1px var(--line), var(--sh-1);
}
.ht-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ht-brand-mark{
  position:relative;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--green);
  clip-path:polygon(0 0, 100% 0, 100% 74%, 76% 100%, 0 100%);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.ht-brand-mark::before{
  content:"";
  position:absolute;
  inset:6px;
  border:1px solid rgba(201,242,77,.35);
  border-radius:50% 50% 40% 40%;
  border-bottom-color:transparent;
  border-right-color:transparent;
}
.ht-brand-slash{
  width:14px;height:4px;
  border-radius:2px;
  background:var(--lime);
  transform:rotate(-38deg);
}
.ht-brand-text{
  font-size:17px;
  font-weight:800;
  color:var(--green);
  letter-spacing:-.02em;
  line-height:1;
}
.ht-brand-text span{
  font-weight:600;
  font-size:13px;
  color:var(--ink-2);
  margin-left:2px;
  letter-spacing:0;
}
.ht-nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.ht-nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  border-radius:var(--r-pill);
  transition:color .18s ease, transform .18s ease, background .18s ease;
}
.ht-nav-link:hover{color:var(--ink);transform:translateY(-1px);background:rgba(15,61,46,.06);}
.ht-nav-link.active{color:var(--green);}
.ht-nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:0;
  width:16px;height:4px;
  border-radius:2px;
  background:var(--lime);
  transform:translateX(-50%);
}
.ht-nav-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--orange);
  color:#fff;
  font-size:14.5px;
  font-weight:700;
  box-shadow:0 10px 22px -12px rgba(255,107,44,.9);
  transition:transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.ht-nav-cta:hover{background:#f05c1c;color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(255,107,44,.95);}
.ht-nav-cta:active{transform:translateY(0);}
.ht-nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:20px;
  background:#fff;
  margin-left:auto;
  padding:0;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.ht-nav-toggle i{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--green);
  transition:transform .25s ease, opacity .2s ease;
}
.ht-nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.ht-nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.ht-nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.ht-nav-panel{
  display:none;
  max-width:1160px;
  margin:10px auto 0;
  padding:10px;
  background:#fff;
  border-radius:0 0 20px 20px;
  box-shadow:var(--sh-2);
}
.ht-nav-panel.is-open{display:block;}
.ht-nav-panel a{
  display:block;
  padding:12px 16px;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink-2);
  border-radius:12px;
  line-height:1.5;
}
.ht-nav-panel a:hover{background:var(--mist);color:var(--green);}
.ht-nav-panel .ht-panel-cta{
  margin-top:8px;
  background:var(--orange);
  color:#fff;
  text-align:center;
}
.ht-nav-panel .ht-panel-cta:hover{background:#f05c1c;color:#fff;}

/* ============ 通用按钮 ============ */
.btn-lava,.btn-line,.btn-lime,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-size:16px;
  font-weight:600;
  line-height:1;
  border-radius:var(--r-pill);
  padding:0 28px;
  height:52px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .2s ease, background .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
}
.btn-lava{background:var(--orange);color:#fff;box-shadow:0 14px 28px -16px rgba(255,107,44,.95);}
.btn-lava:hover{background:#f05c1c;color:#fff;transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(255,107,44,1);}
.btn-lava:active{transform:translateY(0);}
.btn-lava i{transition:transform .2s ease;}
.btn-lava:hover i{transform:translateX(3px);}
.btn-line{background:transparent;border-color:var(--green);color:var(--green);}
.btn-line:hover{background:rgba(15,61,46,.08);border-color:var(--green);color:var(--green);transform:translateY(-2px);}
.btn-lime{background:var(--lime);color:var(--green);}
.btn-lime:hover{background:#bde63c;color:var(--green);transform:translateY(-2px);}
.btn-ghost{
  height:auto;padding:0;border:0;background:none;color:var(--green);
  font-weight:700;gap:8px;box-shadow:none;
}
.btn-ghost:hover{color:var(--green-light);}
.btn-ghost i{transition:transform .2s ease;}
.btn-ghost:hover i{transform:translateX(4px);}

/* ============ 分类页小 Hero ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:150px 0 58px;
  background-color:var(--dark);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg, rgba(11,31,25,.9) 0%, rgba(11,31,25,.68) 55%, rgba(11,31,25,.42) 100%);
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(201,242,77,.35) 1px, transparent 1px);
  background-size:26px 26px;
  opacity:.12;
}
.cat-hero .ht-container{position:relative;z-index:2;}
.cat-hero-arc{
  position:absolute;
  right:-140px;top:-160px;
  width:520px;height:520px;
  border-radius:50%;
  border:1px solid rgba(201,242,77,.22);
  pointer-events:none;
  z-index:1;
}
.cat-hero-arc::after{
  content:"";
  position:absolute;
  inset:70px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.12);
}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--inv-2);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.crumb a{color:var(--inv-2);}
.crumb a:hover{color:var(--lime);}
.crumb span.sep{color:rgba(242,247,243,.35);}
.crumb .now{color:var(--lime);font-weight:600;}
.cat-hero h1{
  color:var(--inv);
  font-size:clamp(30px,4.6vw,46px);
  line-height:1.18;
  font-weight:800;
  max-width:860px;
  margin-bottom:16px;
}
.cat-hero p.lead{
  color:var(--inv-2);
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.85;
  max-width:760px;
}
.cat-hero .hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.cat-hero .hero-tags span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  font-size:13px;
  color:var(--inv-2);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-pill);
}
.cat-hero .hero-tags span i{color:var(--lime);font-size:12px;}

/* 锚点胶囊条 */
.anchor-bar{
  position:relative;
  z-index:3;
  margin-top:-26px;
}
.anchor-inner{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:14px;
  background:#fff;
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  border:1px solid var(--line);
  justify-content:center;
}
.anchor-inner a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  border-radius:var(--r-pill);
  transition:background .2s ease, color .2s ease, transform .2s ease;
}
.anchor-inner a:hover{background:var(--mist);color:var(--green);transform:translateY(-1px);}
.anchor-inner a i{color:var(--green-light);font-size:12px;}

/* ============ 指标条 ============ */
.metrics{
  padding:56px 0 8px;
}
.metrics-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.metric{
  background:#fff;
  padding:26px 22px;
}
.metric .n{
  font-family:var(--font-num);
  font-size:clamp(32px,4vw,46px);
  font-weight:700;
  color:var(--green);
  line-height:1;
  letter-spacing:-.01em;
}
.metric .n small{font-size:.45em;margin-left:4px;color:var(--green-light);font-weight:600;}
.metric .l{
  font-size:13px;
  color:var(--ink-2);
  margin-top:8px;
  letter-spacing:0;
}

/* ============ 板块通用 ============ */
.sec{padding:88px 0;}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head h2{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.25;
  font-weight:700;
  margin-bottom:14px;
}
.sec-head p{color:var(--ink-2);font-size:16px;line-height:1.85;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 功能交错块 ============ */
.feat-list{display:flex;flex-direction:column;gap:72px;}
.feat-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.feat-row.reverse .feat-media{order:2;}
.feat-row.reverse .feat-body{order:1;}
.feat-media{position:relative;}
.feat-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
  box-shadow:var(--sh-1);
}
.feat-media .media-badge{
  position:absolute;
  left:16px;top:16px;
  padding:4px 12px;
  font-size:12px;
  font-weight:700;
  color:var(--green);
  background:var(--lime);
  border-radius:var(--r-pill);
}
.feat-media::after{
  content:"";
  position:absolute;
  right:-14px;bottom:-14px;
  width:120px;height:120px;
  border-radius:50%;
  border:1px solid var(--line);
  z-index:-1;
}
.feat-num{
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.12em;
  color:var(--green-light);
  font-weight:700;
  margin-bottom:12px;
  display:block;
}
.feat-body h3{
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;
  line-height:1.35;
  margin-bottom:14px;
}
.feat-body p.desc{color:var(--ink-2);font-size:15.5px;line-height:1.85;margin-bottom:20px;}
.feat-points{display:flex;flex-direction:column;gap:12px;}
.feat-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--ink);
  line-height:1.7;
}
.feat-points li b{
  flex:0 0 auto;
  width:24px;height:24px;
  border-radius:8px;
  background:rgba(201,242,77,.45);
  color:var(--green);
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:2px;
}

/* ============ 使用场景 行块 ============ */
.scene-sec{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.scene-rows{border-top:1px solid var(--line);}
.scene-row{
  display:grid;
  grid-template-columns:110px 1fr auto;
  gap:28px;
  align-items:center;
  padding:28px 18px;
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.scene-row:hover{background:var(--mist);}
.scene-row .idx{
  font-family:var(--font-num);
  font-size:38px;
  font-weight:700;
  color:var(--lime);
  line-height:1;
  letter-spacing:-.02em;
}
.scene-row h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.scene-row p{font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.scene-row .arrow{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--green);
  transition:transform .25s ease, background .25s ease, border-color .25s ease;
}
.scene-row:hover .arrow{transform:translateX(4px);background:var(--lime);border-color:var(--lime);}

/* ============ 精简下载条 ============ */
.dl-strip{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  border-radius:var(--r-card);
  padding:34px 36px;
  display:flex;
  align-items:center;
  gap:28px;
  flex-wrap:wrap;
  box-shadow:var(--sh-1);
}
.dl-strip::after{
  content:"";
  position:absolute;
  right:-90px;bottom:-120px;
  width:320px;height:320px;
  border-radius:50%;
  border:1px solid rgba(201,242,77,.18);
}
.dl-strip .t{flex:1 1 320px;position:relative;z-index:2;}
.dl-strip h3{color:var(--inv);font-size:clamp(20px,2.4vw,25px);font-weight:700;margin-bottom:8px;line-height:1.35;}
.dl-strip p{color:var(--inv-2);font-size:14.5px;line-height:1.7;}
.dl-strip .meta-line{
  margin-top:12px;
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.08em;
  color:rgba(242,247,243,.6);
}
.dl-strip .acts{
  position:relative;
  z-index:2;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.dl-strip .btn-lime,.dl-strip .btn-outline-inv{
  height:50px;
  padding:0 24px;
  font-size:15px;
  border-radius:var(--r-pill);
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  border:1.5px solid transparent;
  transition:transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.dl-strip .btn-lime{background:var(--lime);color:var(--green);}
.dl-strip .btn-lime:hover{background:#bde63c;color:var(--green);transform:translateY(-2px);}
.dl-strip .btn-outline-inv{background:transparent;border-color:rgba(255,255,255,.4);color:var(--inv);}
.dl-strip .btn-outline-inv:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.7);transform:translateY(-2px);}

/* ============ FAQ（简洁版） ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  transition:background .2s ease, box-shadow .2s ease;
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
}
.faq-q .ic{
  position:relative;
  flex:0 0 auto;
  width:18px;height:18px;
}
.faq-q .ic::before,
.faq-q .ic::after{
  content:"";
  position:absolute;
  background:var(--green);
  border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}
.faq-q .ic::before{left:0;top:8px;width:18px;height:2px;}
.faq-q .ic::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-q .ic::after{transform:scaleY(0);opacity:0;}
.faq-item.open{background:var(--mist);}
.faq-item.open .faq-q{box-shadow:inset 3px 0 0 var(--lime);}
.faq-a{
  display:none;
  padding:0 22px 18px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}
.faq-item.open .faq-a{display:block;}

/* ============ 页脚 ============ */
.ht-footer{
  background:var(--dark);
  padding:72px 0 40px;
  color:var(--inv-2);
  margin-top:0;
}
.ht-footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
}
.ht-fcol{position:relative;padding-left:0;}
.ht-fcol + .ht-fcol{padding-left:36px;}
.ht-fcol + .ht-fcol::before{
  content:"";
  position:absolute;
  left:0;top:4px;bottom:4px;
  width:1px;
  background:rgba(255,255,255,.1);
}
.ht-fbrand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.ht-fbrand b{color:var(--inv);font-size:16px;font-weight:800;letter-spacing:-.02em;}
.ht-fcol p{font-size:14px;line-height:1.85;color:var(--inv-2);}
.ht-fcol h4{
  color:var(--inv);
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
}
.ht-fcol ul{display:flex;flex-direction:column;gap:10px;}
.ht-fcol ul a{
  color:rgba(242,247,243,.72);
  font-size:14px;
  line-height:1.6;
  transition:color .2s ease, transform .2s ease;
  display:inline-block;
}
.ht-fcol ul a:hover{color:var(--lime);transform:translateX(2px);}
.ht-social{display:flex;gap:10px;margin-top:18px;}
.ht-social span{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:rgba(242,247,243,.65);
}
.ht-social svg{width:17px;height:17px;stroke:currentColor;fill:none;}
.ht-footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  justify-content:center;
  text-align:center;
  font-size:13px;
  color:rgba(242,247,243,.55);
}

/* ============ 移动底部下载条 ============ */
.m-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1050;
  display:none;
  align-items:center;
  gap:12px;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -18px rgba(11,31,25,.6);
  opacity:0;
  transform:translateY(100%);
  transition:opacity .3s ease, transform .3s ease;
}
.m-bar.is-show{opacity:1;transform:translateY(0);}
.m-bar .m-txt{flex:1;min-width:0;}
.m-bar .m-txt b{display:block;font-size:14px;color:var(--green);font-weight:700;line-height:1.3;}
.m-bar .m-txt small{font-size:12px;color:var(--ink-2);}
.m-bar .m-btn{
  flex:0 0 auto;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--orange);
  color:#fff;
  font-size:14.5px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:8px;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .feat-row{gap:40px;}
}
@media (max-width:991px){
  .ht-nav-menu,.ht-nav-cta{display:none;}
  .ht-nav-toggle{display:inline-flex;}
  .ht-header{top:10px;padding:0 14px;}
  .cat-hero{padding:126px 0 50px;}
  .metrics{padding:44px 0 0;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .sec{padding:72px 0;}
  .feat-row{grid-template-columns:1fr;gap:28px;}
  .feat-row.reverse .feat-media{order:1;}
  .feat-row.reverse .feat-body{order:2;}
  .feat-list{gap:56px;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .ht-fcol + .ht-fcol{padding-left:0;}
  .ht-fcol + .ht-fcol::before{display:none;}
  .ht-footer{padding:56px 0 32px;}
  .scene-row{grid-template-columns:70px 1fr auto;gap:18px;}
  .scene-row .idx{font-size:30px;}
}
@media (max-width:767px){
  .ht-container{padding:0 18px;}
  .sec{padding:56px 0;}
  .m-bar{display:flex;}
  .ht-footer{padding-bottom:96px;}
  .cat-hero{padding:116px 0 44px;}
  .anchor-bar{margin-top:-20px;}
  .anchor-inner{border-radius:18px;justify-content:flex-start;}
  .anchor-inner a{padding:8px 14px;font-size:13.5px;}
  .dl-strip{padding:26px 22px;}
  .dl-strip .acts{width:100%;}
  .dl-strip .acts a{flex:1 1 100%;justify-content:center;}
  .scene-row{grid-template-columns:1fr;gap:10px;padding:22px 8px;}
  .scene-row .arrow{display:none;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a{padding:0 18px 16px;}
  .ht-footer-bottom{font-size:12px;}
}
@media (max-width:575px){
  .metrics-grid{grid-template-columns:1fr 1fr;}
  .metric{padding:20px 16px;}
  .cat-hero h1{font-size:clamp(26px,7vw,32px);}
  .ht-footer-grid{grid-template-columns:1fr;}
  .btn-lava,.btn-line,.btn-lime{width:100%;}
}

/* roulang page: article */
:root{
  --ink:#0F3D2E;
  --ink-2:#1B5C46;
  --lime:#C9F24D;
  --orange:#FF6B2C;
  --dark:#0B1F19;
  --mist:#F4F6F2;
  --card:#FFFFFF;
  --text:#12211C;
  --muted:#5B6B64;
  --line:#E2E8E2;
  --w-line:rgba(255,255,255,.12);
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,25,.06), 0 12px 32px -12px rgba(11,31,25,.18);
  --sh-2:0 20px 44px -16px rgba(11,31,25,.24);
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Barlow Condensed','DIN Alternate','Arial Narrow',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--mist);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
a:focus-visible,button:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
::selection{background:var(--lime);color:var(--ink)}
.ht-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.ht-container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ------- 悬浮胶囊导航 ------- */
.ht-header{position:fixed;top:14px;left:0;right:0;z-index:1000;padding:0 24px;pointer-events:none}
.ht-nav{
  pointer-events:auto;
  max-width:1160px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.78);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.5);
  box-shadow:var(--sh-1);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
.ht-header.is-scrolled .ht-nav{height:56px;background:#fff;box-shadow:var(--sh-2)}
.ht-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.ht-brand-mark{
  width:32px;height:32px;border-radius:10px;position:relative;overflow:hidden;
  background:linear-gradient(140deg,#0F3D2E,#1B5C46);
  display:grid;place-items:center;flex:0 0 auto;
}
.ht-brand-mark::after{
  content:"";position:absolute;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(201,242,77,.45);right:-14px;bottom:-16px;
}
.ht-brand-slash{width:18px;height:4px;border-radius:99px;background:var(--lime);transform:rotate(-32deg);display:block}
.ht-brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.ht-brand-text span{font-size:12.5px;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0}
.ht-nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.ht-nav-link{
  position:relative;padding:9px 12px;font-size:14.5px;font-weight:600;color:var(--muted);
  border-radius:var(--r-pill);transition:color .18s ease,transform .18s ease;
}
.ht-nav-link:hover{color:var(--text);transform:translateY(-1px)}
.ht-nav-link.active{color:var(--ink)}
.ht-nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:99px;background:var(--lime);
}
.ht-nav-cta{
  margin-left:6px;height:42px;padding:0 22px;display:inline-flex;align-items:center;
  background:var(--orange);color:#fff;font-size:14.5px;font-weight:600;border-radius:var(--r-pill);
  box-shadow:0 10px 22px -12px rgba(255,107,44,.9);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;white-space:nowrap;
}
.ht-nav-cta:hover{background:#f25c1c;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(255,107,44,.95);color:#fff}
.ht-nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:20px;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
.ht-nav-toggle i{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.ht-nav-panel{display:none;pointer-events:auto;max-width:1160px;margin:8px auto 0;background:#fff;border-radius:0 0 20px 20px;box-shadow:var(--sh-2);padding:10px 14px 16px}
.ht-nav-panel a{display:block;line-height:48px;font-size:15px;font-weight:600;color:var(--muted);border-bottom:1px solid var(--line)}
.ht-nav-panel a:last-child{border-bottom:0}
.ht-nav-panel a:hover{color:var(--ink)}
.ht-nav-panel .ht-panel-cta{
  margin-top:12px;line-height:48px;text-align:center;border-radius:var(--r-pill);
  background:var(--orange);color:#fff;border-bottom:0;
}
.ht-nav-panel.open{display:block}

/* ------- 文章头部 ------- */
.ht-main{padding-top:0}
.ht-article-hero{
  position:relative;overflow:hidden;padding:132px 0 72px;
  background-image:linear-gradient(100deg,rgba(11,31,25,.92) 0%,rgba(11,31,25,.78) 52%,rgba(11,31,25,.55) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.ht-article-hero::after{
  content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(201,242,77,.22);pointer-events:none;
}
.ht-article-hero .ht-container{position:relative;z-index:2}
.ht-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(242,247,243,.66);margin-bottom:18px}
.ht-crumb a{color:rgba(242,247,243,.82)}
.ht-crumb a:hover{color:var(--lime)}
.ht-crumb span.dot{color:rgba(242,247,243,.34)}
.ht-post-title{
  font-size:clamp(26px,3.6vw,38px);font-weight:800;color:#F2F7F3;line-height:1.3;
  max-width:900px;letter-spacing:-.02em;
}
.ht-post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;font-size:13.5px;color:rgba(242,247,243,.72)}
.ht-post-meta .ht-sep{width:1px;height:13px;background:rgba(255,255,255,.22);display:inline-block}
.ht-badge-lime{
  display:inline-flex;align-items:center;background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:var(--r-pill);letter-spacing:.02em;
}

/* ------- 阅读布局 ------- */
.ht-article-wrap{padding:64px 0 88px}
.ht-article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.ht-post{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:clamp(22px,3.6vw,48px);box-shadow:var(--sh-1);
}
.ht-post-body{max-width:800px;font-size:16.5px;line-height:1.85;color:#22322B}
.ht-post-body>p{margin:0 0 1.2em}
.ht-post-body h2{
  position:relative;font-size:clamp(20px,2.4vw,24px);font-weight:700;color:var(--text);
  margin:2.2em 0 .85em;padding-left:14px;
}
.ht-post-body h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:99px;background:var(--lime)}
.ht-post-body h3{font-size:20px;font-weight:600;color:var(--text);margin:1.8em 0 .6em}
.ht-post-body h4{font-size:17px;font-weight:600;margin:1.5em 0 .5em}
.ht-post-body ul,.ht-post-body ol{margin:0 0 1.2em;padding-left:1.35em}
.ht-post-body li{margin:.42em 0}
.ht-post-body ul{list-style:none;padding-left:1.25em}
.ht-post-body ul>li{position:relative}
.ht-post-body ul>li::before{
  content:"";position:absolute;left:-1.15em;top:.75em;width:7px;height:7px;border-radius:2px;background:var(--lime);
}
.ht-post-body ol>li::marker{color:var(--ink-2);font-weight:700}
.ht-post-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--mist);border-left:3px solid var(--lime);
  border-radius:0 12px 12px 0;color:var(--muted);font-style:normal;
}
.ht-post-body blockquote p:last-child{margin-bottom:0}
.ht-post-body img{border-radius:var(--r-img);margin:1.7em auto;height:auto}
.ht-post-body figure{margin:1.7em 0}
.ht-post-body figure img{margin:0 auto}
.ht-post-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.ht-post-body a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(15,61,46,.32)}
.ht-post-body a:hover{text-decoration-color:var(--lime);text-decoration-thickness:2px}
.ht-post-body strong{font-weight:700;color:var(--ink)}
.ht-post-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;display:block;overflow-x:auto}
.ht-post-body th,.ht-post-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.ht-post-body th{background:var(--mist);color:var(--ink);font-weight:600;white-space:nowrap}
.ht-post-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.ht-empty{max-width:560px;margin:0 auto;text-align:center;padding:26px 8px 12px}
.ht-empty svg{width:54px;height:54px;color:var(--ink-2);margin:0 auto 18px;display:block}
.ht-empty h2{font-size:22px;font-weight:700;color:var(--text)}
.ht-empty p{color:var(--muted);font-size:15px;margin:12px 0 24px}

/* 文末 */
.ht-post-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.ht-tags{display:flex;flex-wrap:wrap;gap:8px}
.ht-tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(15,61,46,.07);color:var(--ink);font-size:13px;font-weight:600;
  transition:background .18s ease,color .18s ease;
}
.ht-tag:hover{background:var(--lime);color:var(--ink)}
.ht-foot-actions{display:flex;align-items:center;gap:16px;font-size:14px;color:var(--muted)}
.ht-ghost-link{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;font-size:14px}
.ht-ghost-link svg{width:16px;height:16px;transition:transform .2s ease}
.ht-ghost-link:hover svg{transform:translateX(3px)}
.ht-icon-row{display:flex;gap:10px}
.ht-icon-row span{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-2);
  transition:border-color .18s ease,color .18s ease;
}
.ht-icon-row span:hover{border-color:var(--lime);color:var(--ink)}
.ht-icon-row svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* 侧栏 */
.ht-side{position:sticky;top:96px;display:grid;gap:20px}
.ht-side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.ht-side-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.ht-side-title::before{content:"";width:4px;height:16px;border-radius:99px;background:var(--lime)}
.ht-side-item{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--line)}
.ht-side-item:last-child{border-bottom:0;padding-bottom:0}
.ht-side-item img{width:62px;height:62px;border-radius:12px;object-fit:cover;flex:0 0 auto;background:var(--mist)}
.ht-side-item b{display:block;font-size:14px;font-weight:600;line-height:1.55;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ht-side-item em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:5px}
.ht-side-item:hover b{color:var(--ink)}
.ht-cta-card{background:var(--lime);border:0;color:var(--ink)}
.ht-cta-card h3{font-size:17px;font-weight:800;color:var(--ink)}
.ht-cta-card p{font-size:13.5px;line-height:1.7;color:rgba(15,61,46,.82);margin:8px 0 16px}
.ht-dl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;width:100%;height:46px;
  border-radius:var(--r-pill);background:var(--ink);color:#F2F7F3;font-size:14.5px;font-weight:600;
  transition:transform .2s ease,background .2s ease;
}
.ht-dl-btn:hover{background:#0b2d22;transform:translateY(-2px);color:#fff}

/* 移动端推荐 */
.ht-mobile-reco{display:none;margin-top:40px}
.ht-mobile-reco h2{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:14px}
.ht-reco-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.ht-reco-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease}
.ht-reco-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.ht-reco-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--mist)}
.ht-reco-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.ht-reco-card:hover .thumb img{transform:scale(1.03)}
.ht-reco-card b{display:block;padding:14px 14px 6px;font-size:15px;font-weight:600;line-height:1.55}
.ht-reco-card em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);padding:0 14px 16px}
.ht-back-row{margin-top:20px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* 按钮 */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;
  border-radius:var(--r-pill);font-size:15.5px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.ht-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.ht-btn:hover svg{transform:translateX(3px)}
.ht-btn-primary{background:var(--orange);color:#fff;box-shadow:0 14px 28px -16px rgba(255,107,44,.95)}
.ht-btn-primary:hover{background:#f25c1c;transform:translateY(-2px);color:#fff}
.ht-btn-primary:active{transform:translateY(0)}
.ht-btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.ht-btn-outline:hover{background:rgba(15,61,46,.08);transform:translateY(-2px);color:var(--ink)}
.ht-btn-lime{background:var(--lime);color:var(--ink)}
.ht-btn-lime:hover{background:#bde636;transform:translateY(-2px);color:var(--ink)}

/* 底部下载条带 */
.ht-band{
  position:relative;overflow:hidden;background:var(--dark);color:#F2F7F3;
  padding:56px 0;
}
.ht-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:22px 22px;opacity:.6;
}
.ht-band .ht-container{position:relative;z-index:2}
.ht-band-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center}
.ht-band h2{font-size:clamp(20px,2.6vw,26px);font-weight:800;color:#F2F7F3}
.ht-band p{color:rgba(242,247,243,.72);font-size:14.5px;margin-top:10px;max-width:520px}
.ht-band-ver{margin-top:16px;display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:rgba(242,247,243,.6)}
.ht-band-ver b{color:var(--lime);font-size:15px}
.ht-band-actions{display:flex;gap:14px;flex-wrap:wrap}
.ht-band-actions .ht-btn{height:52px}
.ht-band .ht-btn-lime{background:var(--lime);color:var(--ink)}
.ht-band .ht-btn-ghost{border-color:rgba(255,255,255,.45);color:#F2F7F3;background:transparent}
.ht-band .ht-btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}

/* 移动端底部下载条 */
.ht-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1001;display:none;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(11,31,25,.94);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--w-line);
  transform:translateY(110%);opacity:0;transition:transform .3s ease,opacity .3s ease;
}
.ht-mobile-bar.is-visible{transform:translateY(0);opacity:1}
.ht-mobile-bar .ht-btn{width:100%;height:48px}

/* 页脚 */
.ht-footer{background:var(--dark);color:#F2F7F3;padding:72px 0 40px}
.ht-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:0}
.ht-fcol{padding:0 26px;border-left:1px solid var(--w-line)}
.ht-fcol:first-child{border-left:0;padding-left:0}
.ht-fcol:last-child{padding-right:0}
.ht-fbrand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.ht-fbrand b{font-size:16.5px;font-weight:800;color:#F2F7F3}
.ht-fcol p{font-size:13.5px;line-height:1.8;color:rgba(242,247,243,.66);max-width:320px}
.ht-social{display:flex;gap:10px;margin-top:20px}
.ht-social span{width:36px;height:36px;border-radius:50%;border:1px solid var(--w-line);display:grid;place-items:center;color:rgba(242,247,243,.7)}
.ht-social svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.ht-fcol h4{font-size:14px;font-weight:700;color:#F2F7F3;margin-bottom:16px;letter-spacing:.02em}
.ht-fcol ul{list-style:none;margin:0;padding:0}
.ht-fcol li{margin-bottom:11px}
.ht-fcol li a{font-size:13.5px;color:rgba(242,247,243,.72);transition:color .18s ease}
.ht-fcol li a:hover{color:var(--lime)}
.ht-footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--w-line);
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;
  font-size:13px;color:rgba(242,247,243,.55);text-align:center;
}

/* 响应式 */
@media (max-width:1199px){
  .ht-article-grid{grid-template-columns:minmax(0,1fr) 280px;gap:34px}
}
@media (max-width:991px){
  .ht-header{padding:0 18px}
  .ht-nav-menu,.ht-nav-cta{display:none}
  .ht-nav-toggle{display:inline-flex;margin-left:auto}
  .ht-article-grid{grid-template-columns:minmax(0,1fr)}
  .ht-side{display:none}
  .ht-mobile-reco{display:block}
  .ht-footer-grid{grid-template-columns:1fr 1fr}
  .ht-fcol{padding:0;border-left:0;border-top:1px solid var(--w-line);padding-top:24px;margin-top:24px}
  .ht-fcol:first-child{border-top:0;padding-top:0;margin-top:0}
  .ht-fcol:nth-child(2){border-top:0}
  .ht-band-grid{grid-template-columns:1fr}
  .ht-reco-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .ht-container{padding:0 18px}
  .ht-article-hero{padding:118px 0 56px}
  .ht-article-wrap{padding:48px 0 64px}
  .ht-post{padding:22px 18px;border-radius:16px}
  .ht-post-body{font-size:16px}
  .ht-post-foot{flex-direction:column;align-items:flex-start;gap:14px}
  .ht-mobile-bar{display:block}
  .ht-footer{padding-bottom:104px}
  .ht-reco-grid{grid-template-columns:1fr}
  .ht-band{padding:44px 0}
  .ht-band-actions{width:100%}
  .ht-band-actions .ht-btn{flex:1 1 100%}
}
@media (max-width:575px){
  .ht-brand-text span{display:none}
  .ht-brand-text{font-size:16px}
  .ht-post-title{font-size:24px}
  .ht-footer-grid{grid-template-columns:1fr}
  .ht-post-meta{font-size:13px;gap:8px}
}

/* roulang page: category2 */
:root{
  --green-900:#0B1F19;
  --green-800:#0F3D2E;
  --green-600:#1B5C46;
  --lime:#C9F24D;
  --lime-dim:rgba(201,242,77,.18);
  --orange:#FF6B2C;
  --orange-dark:#E85A1D;
  --mist:#F4F6F2;
  --card:#FFFFFF;
  --text:#12211C;
  --text-2:#5B6B64;
  --inv:#F2F7F3;
  --inv-2:rgba(242,247,243,.72);
  --line:#E2E8E2;
  --line-dark:rgba(255,255,255,.12);
  --warm:#FBF6E4;
  --warm-line:#EFE3BE;
  --r-card:16px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,31,25,.06),0 12px 32px -12px rgba(11,31,25,.18);
  --sh-2:0 20px 44px -16px rgba(11,31,25,.24);
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Barlow Condensed','DIN Alternate','Arial Narrow',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--mist);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--green-600)}
button{font-family:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:700;color:var(--text)}
p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 容器 ---------- */
.ht-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.ht-section{padding:clamp(56px,8vw,96px) 0}
.ht-section-dark{background:var(--green-900);color:var(--inv)}
.ht-section-dark h2,.ht-section-dark h3{color:var(--inv)}

/* ---------- 顶部导航 ---------- */
.ht-header{position:fixed;top:14px;left:0;right:0;z-index:1030;transition:top .25s ease}
.ht-nav{
  width:calc(100% - 32px);
  max-width:1160px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 20px;
  border-radius:999px;
  background:rgba(255,255,255,.74);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.55);
  box-shadow:0 10px 30px -20px rgba(11,31,25,.5);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
.ht-header.scrolled .ht-nav{background:#fff;height:56px;box-shadow:var(--sh-1)}
.ht-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.ht-brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--green-800);
  display:inline-grid;place-items:center;position:relative;flex:0 0 auto;overflow:hidden;
}
.ht-brand-mark::before{content:"";position:absolute;inset:0;border-radius:inherit;border:1px solid rgba(201,242,77,.35)}
.ht-brand-slash{width:6px;height:16px;background:var(--lime);border-radius:3px;transform:skewX(-18deg)}
.ht-brand-text{font-size:15px;font-weight:800;color:var(--green-800);letter-spacing:-.02em;white-space:nowrap}
.ht-brand-text span{font-weight:600;color:var(--text-2)}
.ht-nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.ht-nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--text-2);
  padding:8px 12px;border-radius:999px;white-space:nowrap;
  transition:color .2s ease,transform .12s ease,background .2s ease;
}
.ht-nav-link:hover{color:var(--green-800);transform:translateY(-1px);background:rgba(15,61,46,.05)}
.ht-nav-link.active{color:var(--green-800);font-weight:700}
.ht-nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:1px;width:16px;height:4px;
  border-radius:999px;background:var(--lime);transform:translateX(-50%);
}
.ht-nav-cta{
  flex:0 0 auto;height:40px;padding:0 20px;border-radius:999px;
  background:var(--orange);color:#fff;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.ht-nav-cta:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(255,107,44,.7)}
.ht-nav-toggle{
  display:none;width:44px;height:40px;border-radius:20px;background:var(--green-800);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;flex:0 0 auto;
}
.ht-nav-toggle i{display:block;width:18px;height:2px;background:var(--inv);border-radius:2px;transition:.2s ease}
.ht-nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.ht-nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.ht-nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.ht-nav-panel{
  display:none;max-width:1160px;margin:10px auto 0;background:#fff;
  border-radius:0 0 20px 20px;box-shadow:var(--sh-2);padding:8px 20px 20px;
  width:calc(100% - 32px);
}
.ht-nav-panel.open{display:block}
.ht-nav-panel a{display:block;line-height:48px;font-size:15px;color:var(--text);border-bottom:1px solid var(--line)}
.ht-nav-panel a:last-of-type{border-bottom:0}
.ht-panel-cta{
  margin-top:12px;background:var(--orange);color:#fff !important;text-align:center;
  border-radius:999px;line-height:46px !important;font-weight:600;border-bottom:0 !important;
}

/* ---------- 按钮 ---------- */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.ht-btn i{font-size:14px;transition:transform .2s ease}
.ht-btn:hover i{transform:translateX(3px)}
.ht-btn-primary{background:var(--orange);color:#fff}
.ht-btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(255,107,44,.8)}
.ht-btn-primary:active{transform:translateY(0)}
.ht-btn-outline{background:transparent;color:var(--green-800);border:1.5px solid var(--green-800)}
.ht-btn-outline:hover{background:rgba(15,61,46,.08);color:var(--green-800);border-color:var(--green-900);transform:translateY(-2px)}
.ht-btn-lime{background:var(--lime);color:var(--green-800)}
.ht-btn-lime:hover{background:#BCE63C;color:var(--green-800);transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(201,242,77,.9)}
.ht-btn-ghost-dark{background:transparent;color:var(--inv);border:1.5px solid rgba(255,255,255,.5)}
.ht-btn-ghost-dark:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.ht-btn-sm{height:42px;padding:0 20px;font-size:14px}

.ht-textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--green-800)}
.ht-textlink i{font-size:12px;transition:transform .2s ease}
.ht-textlink:hover i{transform:translateX(3px)}
.ht-textlink:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- 小 Hero ---------- */
.ht-hero-sub{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:140px 0 64px;
  color:var(--inv);
}
.ht-hero-sub::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,31,25,.90) 0%,rgba(11,31,25,.72) 52%,rgba(11,31,25,.46) 100%);
}
.ht-hero-sub::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.ht-hero-sub .ht-container{position:relative;z-index:2}
.ht-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--inv-2);margin-bottom:18px}
.ht-crumb a{color:var(--inv-2)}
.ht-crumb a:hover{color:var(--lime)}
.ht-crumb span.sep{opacity:.5}
.ht-crumb .cur{color:var(--lime)}
.ht-hero-sub h1{
  font-size:clamp(30px,4.6vw,50px);line-height:1.15;font-weight:800;color:#fff;
  max-width:860px;margin-bottom:18px;
}
.ht-hero-sub h1 em{font-style:normal;color:var(--lime);position:relative}
.ht-hero-sub .ht-hero-desc{max-width:720px;font-size:16px;line-height:1.85;color:var(--inv-2)}
.ht-anchors{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.ht-anchor{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 16px;border-radius:999px;
  background:rgba(242,247,243,.10);border:1px solid rgba(242,247,243,.22);
  color:var(--inv);font-size:13px;font-weight:500;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.ht-anchor:hover{background:var(--lime);color:var(--green-800);border-color:var(--lime);transform:translateY(-2px)}
.ht-anchor i{font-size:12px}

/* ---------- 区块标题 ---------- */
.ht-head{max-width:720px;margin-bottom:clamp(32px,4vw,52px)}
.ht-head .ht-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.12em;color:var(--green-600);text-transform:uppercase;margin-bottom:14px;
}
.ht-head .ht-eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--lime)}
.ht-head h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;margin-bottom:14px}
.ht-head p{color:var(--text-2);font-size:15.5px}
.ht-section-dark .ht-head p{color:var(--inv-2)}
.ht-head-center{margin-left:auto;margin-right:auto;text-align:center}
.ht-head-center .ht-eyebrow::before{display:none}

/* ---------- 五步流程 ---------- */
.ht-flow{position:relative;padding:6px 0 4px}
.ht-flow::before{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;margin-left:-1px;
  background:linear-gradient(180deg,rgba(201,242,77,0),rgba(201,242,77,.6) 10%,rgba(15,61,46,.16) 86%,rgba(15,61,46,0));
}
.ht-flow-item{display:grid;grid-template-columns:1fr 96px 1fr;align-items:center;margin-bottom:26px}
.ht-flow-card{
  grid-column:1;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 26px;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.ht-flow-item:nth-child(even) .ht-flow-card{grid-column:3}
.ht-flow-item:hover .ht-flow-card{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(201,242,77,.65)}
.ht-flow-node{
  grid-column:2;justify-self:center;position:relative;z-index:2;
  width:48px;height:48px;border-radius:50%;background:var(--lime);color:var(--green-800);
  font-family:var(--font-num);font-size:21px;font-weight:700;display:grid;place-items:center;
  box-shadow:0 0 0 8px rgba(201,242,77,.18);
}
.ht-flow-card h3{font-size:19px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.ht-flow-card h3 i{color:var(--green-600);font-size:16px}
.ht-flow-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.ht-flow-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;
  font-size:13px;color:var(--text-2);
}
.ht-flow-meta .dot{width:1px;height:12px;background:var(--line);display:inline-block}

/* ---------- 登录前准备 ---------- */
.ht-prepare{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:center}
.ht-prepare-img{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1)}
.ht-prepare-img img{width:100%;aspect-ratio:16/10;object-fit:cover}
.ht-prepare-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,31,25,0) 40%,rgba(11,31,25,.55) 100%);
}
.ht-prepare-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:var(--lime);color:var(--green-800);font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:999px;
}
.ht-check-list{display:grid;gap:12px;margin-top:24px}
.ht-check-item{
  display:flex;gap:14px;align-items:flex-start;background:var(--card);
  border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.ht-check-item:hover{transform:translateY(-2px);box-shadow:var(--sh-1)}
.ht-check-item .no{
  font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--lime);
  line-height:1;flex:0 0 auto;width:34px;
  -webkit-text-stroke:.6px rgba(15,61,46,.35);
}
.ht-check-item b{display:block;font-size:15.5px;margin-bottom:4px}
.ht-check-item span{font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- 提示卡 ---------- */
.ht-tips{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.ht-tip{
  background:var(--warm);border:1px solid var(--warm-line);border-radius:var(--r-card);
  padding:26px 28px;transition:transform .25s ease,box-shadow .25s ease;
}
.ht-tip:hover{transform:translateY(-2px);box-shadow:var(--sh-1)}
.ht-tip .ht-tip-icon{
  width:42px;height:42px;border-radius:12px;background:rgba(255,107,44,.12);
  color:var(--orange);display:grid;place-items:center;font-size:18px;margin-bottom:16px;
}
.ht-tip h3{font-size:18px;margin-bottom:10px}
.ht-tip p{font-size:14.5px;color:var(--text-2);line-height:1.85}
.ht-tip ul{margin-top:12px;display:grid;gap:8px}
.ht-tip li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);line-height:1.75}
.ht-tip li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--lime);
}

/* ---------- FAQ ---------- */
.ht-faq{max-width:880px;margin:0 auto}
.ht-faq .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px !important;
  margin-bottom:12px;overflow:hidden;
}
.ht-faq .accordion-button{
  background:var(--card);color:var(--text);font-size:16px;font-weight:600;
  padding:20px 22px;box-shadow:none !important;border-radius:14px !important;gap:16px;
}
.ht-faq .accordion-button:not(.collapsed){background:var(--mist);color:var(--green-800)}
.ht-faq .accordion-button::after{display:none}
.ht-faq .accordion-button .ht-plus{position:relative;width:16px;height:16px;flex:0 0 auto;margin-left:auto}
.ht-faq .accordion-button .ht-plus::before,
.ht-faq .accordion-button .ht-plus::after{
  content:"";position:absolute;background:var(--green-600);border-radius:2px;transition:transform .25s ease,background .25s ease;
}
.ht-faq .accordion-button .ht-plus::before{left:0;top:7px;width:16px;height:2px}
.ht-faq .accordion-button .ht-plus::after{left:7px;top:0;width:2px;height:16px}
.ht-faq .accordion-button:not(.collapsed) .ht-plus::after{transform:rotate(90deg);opacity:0}
.ht-faq .accordion-button:not(.collapsed) .ht-plus::before{background:var(--green-800)}
.ht-faq .accordion-body{
  padding:0 22px 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85;
  border-left:3px solid var(--lime);margin-left:0;
}
.ht-faq .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(201,242,77,.7)}

/* ---------- CTA ---------- */
.ht-cta{position:relative;overflow:hidden;background:var(--green-800);border-radius:24px;padding:clamp(32px,5vw,60px)}
.ht-cta::before{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(201,242,77,.28);
}
.ht-cta::after{
  content:"";position:absolute;right:-40px;bottom:-180px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(242,247,243,.14);
}
.ht-cta-inner{position:relative;z-index:2;max-width:640px}
.ht-cta h2{color:#fff;font-size:clamp(24px,3.2vw,34px);line-height:1.25;margin-bottom:14px}
.ht-cta p{color:var(--inv-2);font-size:15.5px;margin-bottom:26px}
.ht-cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 精简下载条 ---------- */
.ht-dlbar{
  background:var(--green-900);border-radius:20px;padding:26px 30px;
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  border:1px solid var(--line-dark);
}
.ht-dlbar-txt{flex:1 1 300px;min-width:0}
.ht-dlbar-txt b{display:block;color:#fff;font-size:18px;margin-bottom:6px}
.ht-dlbar-txt span{display:block;font-size:13.5px;color:var(--inv-2)}
.ht-dlbar-ver{
  font-family:var(--font-num);font-size:15px;color:var(--lime);letter-spacing:.04em;
  display:inline-flex;align-items:center;gap:8px;margin-top:6px;
}
.ht-dlbar-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.ht-footer{background:var(--green-900);color:var(--inv);padding:72px 0 40px;margin-top:clamp(56px,8vw,96px)}
.ht-footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px;
  border-bottom:1px solid var(--line-dark);
}
.ht-fcol h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:0}
.ht-fcol ul{display:grid;gap:12px}
.ht-fcol a{font-size:14px;color:var(--inv-2)}
.ht-fcol a:hover{color:var(--lime)}
.ht-fbrand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.ht-fbrand b{font-size:16px;color:#fff;font-weight:800}
.ht-fcol p{font-size:14px;color:var(--inv-2);line-height:1.85;max-width:340px}
.ht-social{display:flex;gap:10px;margin-top:20px}
.ht-social span{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line-dark);
  display:grid;place-items:center;color:var(--inv-2);
}
.ht-social svg{width:18px;height:18px;stroke:currentColor;fill:none}
.ht-footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:center;text-align:center;
  padding-top:26px;font-size:13px;color:rgba(242,247,243,.55);
}
.ht-fcol + .ht-fcol{border-left:1px solid rgba(255,255,255,.1);padding-left:32px}

/* ---------- 移动底栏 ---------- */
.ht-mobar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:flex;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(11,31,25,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--line-dark);
  transform:translateY(130%);opacity:0;pointer-events:none;
  transition:transform .3s ease,opacity .3s ease;
}
.ht-mobar.show{transform:none;opacity:1;pointer-events:auto}
.ht-mobar-text{flex:1;font-size:13.5px;color:var(--inv-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .ht-nav-menu{gap:0}
  .ht-nav-link{padding:8px 10px;font-size:13.5px}
}
@media (max-width:991.98px){
  .ht-nav-menu{display:none}
  .ht-nav-cta{display:none}
  .ht-nav-toggle{display:flex;margin-left:auto}
  .ht-prepare{grid-template-columns:1fr}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .ht-fcol + .ht-fcol{border-left:0;padding-left:0}
}
@media (max-width:767.98px){
  .ht-container{padding:0 18px}
  .ht-hero-sub{padding:126px 0 48px}
  .ht-flow::before{left:23px;margin-left:0}
  .ht-flow-item{grid-template-columns:46px 1fr;gap:14px;margin-bottom:18px}
  .ht-flow-item .ht-flow-node{grid-column:1;width:46px;height:46px;font-size:19px}
  .ht-flow-item .ht-flow-card,
  .ht-flow-item:nth-child(even) .ht-flow-card{grid-column:2;padding:18px 20px}
  .ht-tips{grid-template-columns:1fr}
  .ht-cta-actions .ht-btn,.ht-dlbar-actions .ht-btn{width:100%}
  .ht-footer{padding-bottom:96px}
  .ht-footer-grid{grid-template-columns:1fr}
  .ht-dlbar{padding:22px}
  .ht-faq .accordion-button{font-size:15px;padding:18px}
}
@media (max-width:575.98px){
  .ht-brand-text{font-size:14px}
  .ht-brand-text span{display:none}
  .ht-btn{height:48px;padding:0 22px;font-size:15px}
  .ht-anchors{gap:8px}
  .ht-anchor{height:34px;padding:0 13px;font-size:12.5px}
}

/* roulang page: category3 */
:root{
  --green:#0F3D2E;
  --green-2:#1B5C46;
  --lime:#C9F24D;
  --orange:#FF6B2C;
  --orange-d:#E85A1C;
  --dark:#0B1F19;
  --mist:#F4F6F2;
  --card:#FFFFFF;
  --line:#E2E8E2;
  --ink:#12211C;
  --ink2:#5B6B64;
  --paper:#F2F7F3;
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(11,31,25,.06), 0 12px 32px -12px rgba(11,31,25,.18);
  --sh-h:0 20px 44px -16px rgba(11,31,25,.24);
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Barlow Condensed','DIN Alternate','Arial Narrow',sans-serif;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--green-2)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.ht-container{max-width:var(--wrap);margin:0 auto;padding:0 24px;width:100%}
.num{font-family:var(--font-num);letter-spacing:.02em}
.sec{padding:96px 0}
.sec-mist{background:var(--mist)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  font-family:var(--font-num);
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--green-2);font-weight:700;margin-bottom:12px;display:block;
}
.sec-head h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.02em}
.sec-head p{margin-top:14px;color:var(--ink2);font-size:15.5px;line-height:1.85}

/* ============ 悬浮胶囊导航 ============ */
.ht-header{
  position:fixed;left:0;right:0;top:0;z-index:1200;
  padding:16px 18px 0;
}
.ht-nav{
  max-width:1160px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.5);
  box-shadow:0 1px 2px rgba(11,31,25,.06),0 12px 32px -12px rgba(11,31,25,.18);
  transition:height .25s ease,background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.ht-header.is-scrolled .ht-nav{
  height:56px;background:#fff;border-color:var(--line);
  box-shadow:0 8px 28px -14px rgba(11,31,25,.28);
}
.ht-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--green)}
.ht-brand:hover{color:var(--green)}
.ht-brand-mark{
  position:relative;width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,#0F3D2E,#1B5C46);
  display:inline-block;overflow:hidden;flex:0 0 auto;
}
.ht-brand-mark::before{
  content:"";position:absolute;width:38px;height:38px;border-radius:50%;
  border:1.5px solid rgba(201,242,77,.42);right:-18px;top:-12px;
}
.ht-brand-slash{
  position:absolute;width:4px;height:22px;border-radius:2px;
  background:var(--lime);left:13px;top:4px;transform:rotate(28deg);
}
.ht-brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.ht-brand-text span{color:var(--green-2);font-weight:700}
.ht-nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.ht-nav-link{
  position:relative;color:var(--ink2);font-size:14.5px;font-weight:500;
  padding:9px 12px;border-radius:var(--r-pill);white-space:nowrap;
  transition:color .2s ease,transform .12s ease;
}
.ht-nav-link:hover{color:var(--ink);transform:translateY(-1px)}
.ht-nav-link.active{color:var(--green);font-weight:700}
.ht-nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:4px;border-radius:4px;background:var(--lime);
}
.ht-nav-cta{
  flex:0 0 auto;margin-left:10px;height:42px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--orange);color:#fff;font-size:14.5px;font-weight:600;
  display:inline-flex;align-items:center;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.ht-nav-cta:hover{background:var(--orange-d);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(255,107,44,.7)}
.ht-nav-toggle{
  display:none;margin-left:auto;width:44px;height:38px;border-radius:20px;
  border:1px solid var(--line);background:#fff;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.ht-nav-toggle i{display:block;width:16px;height:2px;border-radius:2px;background:var(--green);transition:.2s}
.ht-nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.ht-nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.ht-nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.ht-nav-panel{
  display:none;max-width:1160px;margin:10px auto 0;
  background:#fff;border-radius:0 0 20px 20px;
  box-shadow:0 20px 44px -16px rgba(11,31,25,.3);
  padding:8px 12px 16px;
}
.ht-nav-panel.is-open{display:block}
.ht-nav-panel a{
  display:block;line-height:48px;padding:0 12px;border-radius:12px;
  color:var(--ink);font-size:15px;font-weight:500;
}
.ht-nav-panel a:hover{background:var(--mist);color:var(--green)}
.ht-nav-panel a.active{color:var(--green);font-weight:700;background:rgba(201,242,77,.18)}
.ht-nav-panel .ht-panel-cta{
  margin-top:8px;text-align:center;background:var(--orange);color:#fff;font-weight:600;
}
.ht-nav-panel .ht-panel-cta:hover{background:var(--orange-d);color:#fff}

/* ============ 小 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:150px 0 64px;
  min-height:400px;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  color:var(--paper);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,31,25,.92) 0%,rgba(11,31,25,.74) 52%,rgba(11,31,25,.5) 100%),
             linear-gradient(180deg,rgba(11,31,25,0) 60%,rgba(11,31,25,.85) 100%);
}
.page-hero::after{
  content:"";position:absolute;width:620px;height:620px;border-radius:50%;
  border:1px solid rgba(201,242,77,.16);right:-220px;bottom:-320px;pointer-events:none;
}
.page-hero .ht-container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(242,247,243,.66);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:rgba(242,247,243,.72)}
.crumb a:hover{color:var(--lime)}
.crumb span.sep{opacity:.5}
.crumb b{color:var(--paper);font-weight:600}
.page-hero h1{
  font-size:clamp(28px,4.4vw,44px);line-height:1.18;font-weight:800;letter-spacing:-.02em;
  max-width:860px;
}
.page-hero .hero-desc{
  margin-top:18px;max-width:700px;font-size:16px;line-height:1.85;
  color:rgba(242,247,243,.8);
}
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.anchor-bar a{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.28);
  color:var(--paper);font-size:13.5px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.anchor-bar a:hover{background:rgba(201,242,77,.16);border-color:var(--lime);color:#fff;transform:translateY(-2px)}

/* ============ 规格卡片矩阵 ============ */
.spec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.spec-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px 20px;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;overflow:hidden;
}
.spec-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--lime),rgba(201,242,77,0));
  opacity:0;transition:opacity .25s ease;
}
.spec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);border-color:#D4DED4}
.spec-card:hover::before{opacity:1}
.spec-head{display:flex;align-items:center;gap:12px;justify-content:space-between}
.spec-title{display:flex;align-items:center;gap:12px;min-width:0}
.spec-icon{
  width:40px;height:40px;border-radius:12px;background:var(--mist);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;color:var(--green);
}
.spec-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.spec-card h3{font-size:18px;font-weight:700;letter-spacing:-.01em;line-height:1.35}
.spec-sub{font-size:12.5px;color:var(--ink2);margin-top:2px;display:block}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;white-space:nowrap;line-height:1.6}
.badge-ok{background:var(--lime);color:var(--green)}
.badge-min{background:var(--mist);color:var(--ink2);border:1px solid var(--line)}
.badge-note{background:rgba(15,61,46,.08);color:var(--green)}
.spec-list{margin-top:18px}
.spec-list > div{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.spec-list > div:last-child{border-bottom:0}
.spec-list dt{color:var(--ink2);font-weight:400;flex:0 0 auto}
.spec-list dd{color:var(--ink);font-weight:600;text-align:right;font-size:13.8px}

/* ============ 对比条 ============ */
.compare-wrap{margin-top:56px}
.compare{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;
}
.compare-col{padding:26px 24px;border-right:1px solid var(--line);position:relative}
.compare-col:last-child{border-right:0}
.compare-col.is-best{background:rgba(201,242,77,.16)}
.compare-col.is-best::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--lime)}
.compare-tier{font-family:var(--font-num);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--green-2);font-weight:700}
.compare-col h4{font-size:17px;font-weight:700;margin-top:6px}
.compare-col ul{margin-top:16px}
.compare-col li{
  display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--ink2);
  padding:8px 0;border-bottom:1px dashed rgba(226,232,226,.9);
}
.compare-col li:last-child{border-bottom:0}
.compare-col li b{color:var(--ink);font-weight:600}
.is-best .compare-tier{color:var(--green)}
.compare-note{
  display:flex;align-items:flex-start;gap:10px;margin-top:18px;
  font-size:13.5px;color:var(--ink2);
}
.compare-note svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;stroke:var(--green);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ============ 说明型长文本卡 ============ */
.note-card{
  background:var(--mist);border-radius:20px;padding:48px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
  border:1px solid #E7EDE7;
}
.note-card h2{font-size:clamp(22px,2.8vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.02em}
.note-card p{margin-top:16px;font-size:15.5px;color:var(--ink2);line-height:1.9}
.note-media img{border-radius:var(--r-img);width:100%;aspect-ratio:16/10;object-fit:cover;box-shadow:var(--sh)}
.note-media figcaption{margin-top:12px;font-size:13px;color:var(--ink2)}
.note-list{margin-top:20px}
.note-list li{
  position:relative;padding-left:22px;font-size:15px;color:var(--ink);margin-bottom:10px;line-height:1.8;
}
.note-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--lime);
}

/* ============ 自查步骤 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.step-num{font-family:var(--font-num);font-size:38px;line-height:1;font-weight:700;color:var(--lime);-webkit-text-stroke:1px rgba(15,61,46,.14)}
.step-card h3{font-size:17.5px;font-weight:700;margin-top:14px}
.step-card p{margin-top:10px;font-size:14.5px;color:var(--ink2);line-height:1.85}
.step-card .tagline{
  display:inline-block;margin-top:16px;font-size:12px;color:var(--green);
  background:rgba(15,61,46,.07);border-radius:var(--r-pill);padding:3px 10px;
}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq .accordion-item{
  border:1px solid var(--line);border-radius:14px;background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:0 1px 2px rgba(11,31,25,.04);
}
.faq .accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);
  background:#fff;padding:18px 52px 18px 20px;box-shadow:none;
  border-radius:14px;position:relative;line-height:1.6;
}
.faq .accordion-button:hover{background:var(--mist);color:var(--green)}
.faq .accordion-button:not(.collapsed){
  background:var(--mist);color:var(--green);box-shadow:none;
}
.faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--lime);
}
.faq .accordion-button::after{
  background-image:linear-gradient(var(--green),var(--green)),linear-gradient(var(--green),var(--green));
  background-size:14px 2px,2px 14px;
  background-position:center center,center center;
  background-repeat:no-repeat;
  width:16px;height:16px;position:absolute;right:20px;top:calc(50% - 8px);margin:0;
  transition:background-size .25s ease,transform .25s ease;
}
.faq .accordion-button:not(.collapsed)::after{
  background-size:14px 2px,0 14px;transform:rotate(180deg);
}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--lime);outline-offset:-2px}
.faq .accordion-body{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--ink2);background:var(--mist)}
.faq .accordion-body strong{color:var(--ink)}

/* ============ 按钮 ============ */
.btn-ht{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-ht svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.btn-ht:hover svg{transform:translateX(3px)}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-d);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(255,107,44,.75)}
.btn-orange:active{transform:translateY(0)}
.btn-line{background:transparent;border-color:var(--green);color:var(--green)}
.btn-line:hover{background:rgba(15,61,46,.08);border-color:var(--green);color:var(--green);transform:translateY(-2px)}
.btn-lime{background:var(--lime);color:var(--green)}
.btn-lime:hover{background:#BCE63C;color:var(--green);transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(201,242,77,.9)}
.btn-line-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-line-light:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}

/* ============ 精简下载条带 ============ */
.cta-strip{
  position:relative;overflow:hidden;
  background:var(--dark);color:var(--paper);border-radius:20px;
  padding:32px 36px;display:flex;align-items:center;gap:28px;justify-content:space-between;
  background-image:radial-gradient(rgba(201,242,77,.09) 1px,transparent 1px);
  background-size:16px 16px;
}
.cta-strip::after{
  content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(201,242,77,.16);right:-110px;top:-140px;pointer-events:none;
}
.cta-strip h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;letter-spacing:-.01em;position:relative;z-index:2}
.cta-strip .cta-meta{
  margin-top:8px;font-size:13.5px;color:rgba(242,247,243,.72);display:flex;flex-wrap:wrap;gap:8px 14px;position:relative;z-index:2;
}
.cta-strip .cta-meta .num{color:var(--lime);font-size:14px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}

/* ============ 页脚 ============ */
.ht-footer{background:var(--dark);color:var(--paper);padding:72px 0 40px;margin-top:96px}
.ht-footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:0}
.ht-fcol{padding:0 32px}
.ht-fcol:first-child{padding-left:0}
.ht-fcol:last-child{padding-right:0}
.ht-fcol + .ht-fcol{border-left:1px solid rgba(255,255,255,.1)}
.ht-fbrand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.ht-fbrand b{font-size:17px;font-weight:800}
.ht-fcol p{font-size:14px;line-height:1.85;color:rgba(242,247,243,.68);max-width:320px}
.ht-fcol h4{font-size:14.5px;font-weight:700;margin-bottom:16px;color:var(--paper)}
.ht-fcol ul li{margin-bottom:11px}
.ht-fcol ul a{font-size:14px;color:rgba(242,247,243,.72)}
.ht-fcol ul a:hover{color:var(--lime)}
.ht-social{display:flex;gap:12px;margin-top:20px}
.ht-social span{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(242,247,243,.7);
}
.ht-social svg{width:18px;height:18px;stroke:currentColor}
.ht-footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:center;gap:10px 26px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,247,243,.55);
}

/* ============ 移动端底部下载条 ============ */
.m-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1300;
  display:none;align-items:center;gap:12px;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  transform:translateY(110%);transition:transform .3s ease;
}
.m-bar.is-show{transform:translateY(0)}
.m-bar .m-text{flex:1 1 auto;min-width:0}
.m-bar .m-text b{display:block;font-size:14px;font-weight:700;color:var(--ink)}
.m-bar .m-text span{font-size:12px;color:var(--ink2)}
.m-bar .btn-ht{flex:0 0 auto;height:44px;padding:0 18px;font-size:14px}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .ht-nav-menu{gap:0}
  .ht-nav-link{padding:9px 9px;font-size:14px}
}
@media (max-width:991px){
  .ht-nav-menu,.ht-nav-cta{display:none}
  .ht-nav-toggle{display:flex}
  .sec{padding:72px 0}
  .page-hero{padding:130px 0 54px;min-height:340px}
  .spec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .note-card{grid-template-columns:1fr;gap:32px;padding:36px}
  .compare{grid-template-columns:1fr}
  .compare-col{border-right:0;border-bottom:1px solid var(--line)}
  .compare-col:last-child{border-bottom:0}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:28px}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:36px 0;row-gap:36px}
  .ht-fcol{padding:0 24px}
  .ht-fcol:nth-child(odd){padding-left:0;border-left:0}
  .ht-fcol:nth-child(even){padding-right:0}
  .ht-fcol:nth-child(n+3){border-top:1px solid rgba(255,255,255,.1);padding-top:32px}
}
@media (max-width:767px){
  .sec{padding:56px 0}
  .ht-container{padding:0 18px}
  .ht-header{padding:12px 12px 0}
  .spec-grid{grid-template-columns:1fr;gap:16px}
  .step-grid{grid-template-columns:1fr;gap:16px}
  .page-hero{padding:118px 0 48px}
  .page-hero .hero-desc{font-size:15px}
  .note-card{padding:26px}
  .cta-strip{padding:24px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn-ht{width:100%}
  .ht-footer{padding:56px 0 96px}
  .ht-footer-grid{grid-template-columns:1fr;row-gap:28px}
  .ht-fcol{padding:0!important;border-left:0!important}
  .ht-fcol + .ht-fcol{border-top:1px solid rgba(255,255,255,.1);padding-top:26px!important}
  .ht-footer-bottom{flex-direction:column;align-items:center;gap:6px;text-align:center}
  .m-bar{display:flex}
  .compare-col{padding:22px 20px}
}
@media (max-width:520px){
  .ht-brand-text{font-size:15px}
  .spec-card{padding:22px 18px 16px}
  .anchor-bar a{padding:7px 13px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}
.anchor-target{scroll-margin-top:110px}

/* roulang page: category4 */
:root{
  --green:#0F3D2E;
  --green-2:#1B5C46;
  --lime:#C9F24D;
  --orange:#FF6B2C;
  --dark:#0B1F19;
  --mist:#F4F6F2;
  --white:#ffffff;
  --ink:#12211C;
  --ink-2:#5B6B64;
  --line:#E2E8E2;
  --line-dark:rgba(255,255,255,.12);
  --radius-s:12px;
  --radius:16px;
  --radius-l:24px;
  --pill:999px;
  --shadow:0 1px 2px rgba(11,31,25,.06), 0 12px 32px -12px rgba(11,31,25,.18);
  --shadow-hover:0 20px 44px -16px rgba(11,31,25,.24);
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Barlow Condensed','DIN Alternate','Arial Narrow',Arial,sans-serif;
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--green-2);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.02em;}
p{margin:0;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

.ht-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.ht-section{padding:88px 0;}
.ht-section--tight{padding:64px 0;}
.ht-eyebrow{
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--green-2);
  font-weight:700;
}
.ht-h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;margin-top:10px;}
.ht-lead{font-size:16px;line-height:1.8;color:var(--ink-2);max-width:760px;margin-top:14px;}

/* ---------- 按钮 ---------- */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 28px;border-radius:var(--pill);
  font-size:16px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.ht-btn svg{width:16px;height:16px;transition:transform .2s ease;}
.ht-btn:hover svg{transform:translateX(3px);}
.ht-btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 26px -12px rgba(255,107,44,.75);}
.ht-btn-primary:hover{background:#ef5c1c;color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(255,107,44,.8);}
.ht-btn-primary:active{transform:translateY(0);}
.ht-btn-ghost{background:transparent;color:var(--green);border-color:var(--green);}
.ht-btn-ghost:hover{background:rgba(15,61,46,.08);border-color:var(--green-2);color:var(--green-2);transform:translateY(-2px);}
.ht-btn-lime{background:var(--lime);color:var(--green);}
.ht-btn-lime:hover{background:#bde63c;color:var(--green);transform:translateY(-2px);box-shadow:0 16px 32px -16px rgba(201,242,77,.9);}
.ht-btn-outline-light{background:transparent;color:#F2F7F3;border-color:rgba(242,247,243,.55);}
.ht-btn-outline-light:hover{background:rgba(242,247,243,.12);color:#fff;transform:translateY(-2px);}
.ht-btn-sm{height:44px;padding:0 20px;font-size:15px;}

/* ---------- 导航 ---------- */
.ht-header{position:fixed;top:0;left:0;right:0;z-index:1030;padding:16px 18px 0;}
.ht-nav{
  max-width:1160px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:20px;
  padding:0 20px;border-radius:var(--pill);
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.55);
  box-shadow:0 10px 30px -18px rgba(11,31,25,.35);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.ht-header.scrolled .ht-nav{height:56px;background:rgba(255,255,255,.96);border-color:var(--line);box-shadow:var(--shadow);}
.ht-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--green);letter-spacing:-.02em;flex:none;}
.ht-brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--green);
  display:inline-flex;align-items:center;justify-content:center;position:relative;overflow:hidden;flex:none;
}
.ht-brand-mark::before{
  content:"";position:absolute;inset:5px;border:1.6px solid rgba(201,242,77,.5);border-radius:50%;
}
.ht-brand-slash{
  width:14px;height:3px;background:var(--lime);border-radius:2px;transform:rotate(-32deg);position:relative;z-index:1;
}
.ht-brand-text{font-size:17px;line-height:1;}
.ht-brand-text span{font-weight:600;}
.ht-nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.ht-nav-link{
  position:relative;padding:8px 14px;border-radius:var(--pill);
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .18s ease,transform .18s ease,background .18s ease;
}
.ht-nav-link:hover{color:var(--ink);transform:translateY(-1px);background:rgba(15,61,46,.05);}
.ht-nav-link.active{color:var(--green);font-weight:600;}
.ht-nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:4px;border-radius:2px;background:var(--lime);
}
.ht-nav-cta{
  flex:none;display:inline-flex;align-items:center;height:44px;padding:0 22px;
  border-radius:var(--pill);background:var(--green);color:#F2F7F3;
  font-size:15px;font-weight:600;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.ht-nav-cta:hover{background:var(--green-2);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(15,61,46,.7);}
.ht-nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.9);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.ht-nav-toggle i{display:block;width:18px;height:2px;border-radius:2px;background:var(--green);transition:.25s ease;}
.ht-nav-toggle.open i:nth-child(1){transform:translateY(6px) rotate(45deg);}
.ht-nav-toggle.open i:nth-child(2){opacity:0;}
.ht-nav-toggle.open i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.ht-nav-panel{
  display:none;max-width:1160px;margin:8px auto 0;background:#fff;
  border-radius:0 0 20px 20px;box-shadow:var(--shadow);padding:10px 14px 16px;border:1px solid var(--line);border-top:0;
}
.ht-nav-panel a{display:block;line-height:48px;padding:0 12px;border-radius:12px;color:var(--ink);font-size:16px;font-weight:500;}
.ht-nav-panel a:hover{background:var(--mist);color:var(--green);}
.ht-nav-panel a.active{color:var(--green);font-weight:700;background:rgba(201,242,77,.22);}
.ht-nav-panel .ht-panel-cta{
  margin-top:10px;text-align:center;background:var(--orange);color:#fff;font-weight:600;line-height:50px;border-radius:var(--pill);
}
.ht-nav-panel .ht-panel-cta:hover{background:#ef5c1c;color:#fff;}
.ht-nav-panel.open{display:block;}

/* ---------- 小 Hero ---------- */
.ht-hero-sm{
  position:relative;overflow:hidden;
  padding:150px 0 64px;
  background-color:var(--dark);
  background-image:linear-gradient(100deg,rgba(11,31,25,.9) 0%,rgba(11,31,25,.68) 55%,rgba(11,31,25,.45) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.ht-hero-sm::after{
  content:"";position:absolute;right:-140px;top:-100px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(201,242,77,.35);pointer-events:none;
}
.ht-hero-sm::before{
  content:"";position:absolute;right:20px;bottom:-200px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);pointer-events:none;
}
.ht-hero-sm .ht-container{position:relative;z-index:2;}
.ht-crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(242,247,243,.72);margin-bottom:18px;}
.ht-crumb a{color:rgba(242,247,243,.72);}
.ht-crumb a:hover{color:var(--lime);}
.ht-crumb span.sep{width:14px;height:1px;background:rgba(242,247,243,.35);display:inline-block;}
.ht-hero-sm h1{
  color:#F2F7F3;font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:800;max-width:900px;
}
.ht-hero-sm h1 em{font-style:normal;color:var(--lime);}
.ht-hero-desc{color:rgba(242,247,243,.82);font-size:16px;line-height:1.8;max-width:720px;margin-top:18px;}
.ht-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.ht-hero-tags span{
  font-size:13px;padding:6px 14px;border-radius:var(--pill);
  border:1px solid rgba(242,247,243,.3);color:rgba(242,247,243,.88);
}

/* ---------- 检索工具条 ---------- */
.ht-tools{background:var(--mist);padding:32px 0;border-bottom:1px solid var(--line);}
.ht-search{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-s);padding:8px 8px 8px 16px;box-shadow:0 1px 2px rgba(11,31,25,.04);
  max-width:720px;transition:border-color .2s ease,box-shadow .2s ease;
}
.ht-search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(201,242,77,.35);}
.ht-search svg{width:20px;height:20px;flex:none;color:var(--ink-2);}
.ht-search input{
  flex:1;border:0;outline:none;background:transparent;padding:10px 0;font-size:15px;color:var(--ink);min-width:0;
}
.ht-search input::placeholder{color:#8a978f;}
.ht-search-btn{
  border:0;height:40px;padding:0 20px;border-radius:10px;background:var(--green);color:#F2F7F3;
  font-size:14px;font-weight:600;cursor:pointer;transition:background .2s ease;
}
.ht-search-btn:hover{background:var(--green-2);}
.ht-anchors{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.ht-anchors a{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.ht-anchors a b{font-family:var(--font-num);font-size:13px;color:var(--green-2);}
.ht-anchors a:hover{background:var(--lime);border-color:var(--lime);color:var(--green);transform:translateY(-2px);}

/* ---------- 图文自查 ---------- */
.ht-checks{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center;}
.ht-checks-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.ht-checks-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);}
.ht-checks-media .badge-float{
  position:absolute;left:16px;top:16px;background:var(--lime);color:var(--green);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--pill);
}
.ht-steps{display:flex;flex-direction:column;margin-top:26px;border-top:1px solid var(--line);}
.ht-step{
  display:flex;gap:20px;align-items:flex-start;padding:22px 12px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.ht-step:hover{background:var(--mist);}
.ht-step .num{
  font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--lime);
  -webkit-text-stroke:1px var(--green);line-height:1;min-width:48px;
}
.ht-step h3{font-size:17px;font-weight:600;margin-bottom:4px;}
.ht-step p{font-size:14px;line-height:1.75;color:var(--ink-2);}

/* ---------- FAQ 手风琴 ---------- */
.ht-faq-group{margin-bottom:44px;scroll-margin-top:110px;}
.ht-faq-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap;}
.ht-faq-head h2{font-size:clamp(20px,2.4vw,26px);}
.ht-count{
  font-family:var(--font-num);font-size:13px;font-weight:700;padding:4px 12px;border-radius:var(--pill);
  background:rgba(15,61,46,.08);color:var(--green-2);
}
.accordion-item{
  border:1px solid var(--line);border-radius:14px !important;overflow:hidden;
  margin-bottom:12px;background:#fff;box-shadow:0 1px 2px rgba(11,31,25,.04);
}
.accordion-button{
  display:flex;align-items:center;gap:14px;width:100%;
  background:#fff;color:var(--ink);font-size:16px;font-weight:600;text-align:left;
  padding:18px 20px;border:0;border-radius:14px !important;box-shadow:none !important;
  transition:background .2s ease,color .2s ease;
}
.accordion-button:focus{outline:none;box-shadow:0 0 0 3px rgba(201,242,77,.4) !important;}
.accordion-button:hover{background:var(--mist);color:var(--green);}
.accordion-button:not(.collapsed){
  background:var(--mist);color:var(--green);
  box-shadow:inset 3px 0 0 var(--lime) !important;
}
.accordion-button::after{display:none !important;}
.acc-icon{position:relative;width:22px;height:22px;flex:none;margin-left:auto;}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;left:50%;top:50%;width:14px;height:2px;border-radius:2px;
  background:var(--green);transform:translate(-50%,-50%);transition:transform .25s ease;
}
.acc-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.accordion-button:not(.collapsed) .acc-icon::after{transform:translate(-50%,-50%) rotate(0deg);}
.accordion-body{
  padding:2px 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);background:var(--mist);
}
.accordion-body strong{color:var(--green-2);font-weight:600;}
.accordion-body ul{margin-top:10px;display:flex;flex-direction:column;gap:8px;}
.accordion-body ul li{position:relative;padding-left:18px;}
.accordion-body ul li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--lime);
}

/* ---------- 未解决 CTA ---------- */
.ht-cta-bar{
  position:relative;overflow:hidden;background:var(--dark);border-radius:var(--radius-l);
  padding:44px 40px;display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:space-between;
}
.ht-cta-bar::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(201,242,77,.28);
}
.ht-cta-bar h2{color:#F2F7F3;font-size:clamp(20px,2.6vw,28px);position:relative;z-index:1;}
.ht-cta-bar p{color:rgba(242,247,243,.72);font-size:15px;margin-top:8px;position:relative;z-index:1;max-width:560px;}
.ht-cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- 下载条带 ---------- */
.ht-dl-strip{
  background:var(--green);border-radius:var(--radius-l);padding:28px 32px;
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:space-between;
  position:relative;overflow:hidden;
}
.ht-dl-strip .watermark{
  position:absolute;right:20px;top:-18px;font-size:96px;font-weight:800;color:rgba(255,255,255,.06);
  letter-spacing:.04em;pointer-events:none;line-height:1;
}
.ht-dl-info{position:relative;z-index:1;}
.ht-dl-info b{display:block;color:#F2F7F3;font-size:19px;font-weight:700;}
.ht-dl-info span{
  display:block;margin-top:6px;font-family:var(--font-num);font-size:14px;letter-spacing:.06em;
  color:rgba(242,247,243,.7);
}
.ht-dl-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.ht-footer{background:var(--dark);padding:72px 0 40px;margin-top:0;color:rgba(242,247,243,.72);}
.ht-footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:44px;
}
.ht-fcol+.ht-fcol{border-left:1px solid rgba(255,255,255,.1);padding-left:32px;}
.ht-fbrand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.ht-fbrand b{color:#F2F7F3;font-size:17px;letter-spacing:-.02em;}
.ht-fcol p{font-size:14px;line-height:1.8;color:rgba(242,247,243,.66);max-width:320px;}
.ht-fcol h4{color:#F2F7F3;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:0;}
.ht-fcol ul{display:flex;flex-direction:column;gap:10px;}
.ht-fcol ul a{color:rgba(242,247,243,.72);font-size:14px;transition:color .2s ease,padding-left .2s ease;}
.ht-fcol ul a:hover{color:var(--lime);padding-left:4px;}
.ht-social{display:flex;gap:10px;margin-top:20px;}
.ht-social span{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(242,247,243,.7);
}
.ht-social svg{width:18px;height:18px;stroke:currentColor;}
.ht-footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:24px;
  display:flex;justify-content:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,247,243,.55);
}
.ht-footer-bottom span+span::before{content:"·";margin-right:18px;color:rgba(255,255,255,.25);}

/* ---------- 移动底栏 ---------- */
.ht-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);box-shadow:0 -8px 24px -16px rgba(11,31,25,.3);
  opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .3s ease,transform .3s ease;
}
.ht-mobile-bar.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.ht-mobile-bar-inner{display:flex;align-items:center;gap:12px;}
.ht-mobile-meta{flex:1;min-width:0;}
.ht-mobile-meta b{display:block;font-size:15px;color:var(--green);font-weight:700;}
.ht-mobile-meta span{display:block;font-family:var(--font-num);font-size:12px;color:var(--ink-2);letter-spacing:.04em;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .ht-nav-menu{gap:0;}
  .ht-nav-link{padding:8px 10px;font-size:14px;}
}
@media (max-width:991px){
  .ht-nav-menu,.ht-nav-cta{display:none;}
  .ht-nav-toggle{display:flex;margin-left:auto;}
  .ht-checks{grid-template-columns:1fr;gap:32px;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .ht-fcol+.ht-fcol{border-left:0;padding-left:0;}
  .ht-section{padding:72px 0;}
  .ht-hero-sm{padding:132px 0 56px;}
}
@media (max-width:767px){
  .ht-container{padding:0 18px;}
  .ht-header{padding:12px 12px 0;}
  .ht-nav{height:58px;padding:0 14px;}
  .ht-brand-text{font-size:15px;}
  .ht-brand-text span{font-weight:600;}
  .ht-section{padding:56px 0;}
  .ht-hero-sm{padding:118px 0 48px;}
  .ht-hero-desc{font-size:15px;}
  .ht-search{flex-wrap:wrap;padding:12px;}
  .ht-search input{width:100%;flex:1 1 100%;}
  .ht-search-btn{width:100%;height:44px;}
  .ht-cta-bar{padding:32px 22px;gap:22px;}
  .ht-cta-actions{width:100%;}
  .ht-cta-actions .ht-btn{flex:1 1 auto;}
  .ht-dl-strip{padding:24px 20px;}
  .ht-dl-actions{width:100%;}
  .ht-dl-actions .ht-btn{flex:1 1 100%;}
  .ht-footer{padding-bottom:96px;}
  .ht-footer-grid{grid-template-columns:1fr;gap:0;}
  .ht-fcol{padding:24px 0;border-top:1px solid rgba(255,255,255,.1);}
  .ht-fcol:first-child{border-top:0;padding-top:0;}
  .ht-footer-bottom{flex-direction:column;gap:8px;text-align:center;}
  .ht-footer-bottom span+span::before{display:none;}
  .ht-mobile-bar{display:block;}
  .ht-step{padding:18px 6px;gap:14px;}
}
@media (max-width:575px){
  .ht-hero-tags span{font-size:12px;padding:5px 11px;}
  .ht-btn{height:48px;padding:0 22px;font-size:15px;}
  .accordion-button{font-size:15px;padding:16px 14px;}
  .accordion-body{padding:0 14px 18px;}
}