/* roulang page: index */
:root{
  --bg-base:#070D18;
  --bg-elev:#0C1526;
  --bg-elev-2:#111D31;
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(120,215,255,.14);
  --brand:#00E3A6;
  --brand-deep:#28C8FF;
  --accent:#FF5A2B;
  --text-1:#EAF3FF;
  --text-2:#9FB3C9;
  --text-3:#6C8298;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --shadow-1:0 6px 20px rgba(0,0,0,.35);
  --shadow-2:0 14px 34px rgba(0,227,166,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate",Inter,Barlow,"HarmonyOS Sans SC","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(0,227,166,.3);color:#fff;}

h1{font-size:clamp(30px,4.2vw,50px);}
h2{font-size:clamp(23px,2.6vw,34px);}
h3{font-size:clamp(18px,1.6vw,22px);}
.hth-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:0;}

/* ---------- 容器 ---------- */
.hth-container{max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px;}
.grid-container.hth-container{width:100%;max-width:1240px;}
.hth-section{padding-top:clamp(56px,7vw,104px);padding-bottom:clamp(56px,7vw,104px);}
.hth-section--tight{padding-top:clamp(44px,5vw,72px);padding-bottom:clamp(44px,5vw,72px);}
.hth-sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:clamp(26px,3vw,44px);}
.hth-sec-head h2{max-width:720px;}
.hth-sec-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:640px;}
.hth-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-num);font-size:13px;color:var(--brand);letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px;}
.hth-eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-deep));border-radius:2px;}

/* ---------- 按钮 ---------- */
.hth-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15.5px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.hth-btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
  color:#04121A;
  box-shadow:0 0 0 1px rgba(0,227,166,.5),0 8px 26px rgba(0,227,166,.28);
}
.hth-btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);color:#04121A;box-shadow:0 0 0 1px rgba(0,227,166,.6),0 14px 34px rgba(0,227,166,.36);}
.hth-btn-primary:active{transform:translateY(1px);}
.hth-btn-ghost{
  background:var(--glass);border-color:var(--glass-line);color:var(--text-1);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.hth-btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(0,227,166,.55);color:var(--text-1);transform:translateY(-2px);}
.hth-btn-text{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:15px;}
.hth-btn-text i{transition:transform .22s var(--ease);font-size:12px;}
.hth-btn-text:hover i{transform:translateX(6px);}
.hth-btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- 标签 / 徽章 ---------- */
.hth-pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(0,227,166,.12);color:var(--brand);
}
.hth-pill-accent{background:rgba(255,90,43,.14);color:#FF8A66;}
.hth-pill-muted{background:rgba(159,179,201,.12);color:var(--text-2);font-family:var(--font-num);font-weight:600;}

/* ---------- 顶栏 ---------- */
.hth-header{position:relative;z-index:60;background:linear-gradient(180deg,rgba(7,13,24,.96),rgba(7,13,24,.82));backdrop-filter:blur(14px);border-bottom:1px solid var(--glass-line);}
.hth-topbar{display:flex;align-items:center;gap:22px;min-height:72px;}
.hth-logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.hth-logo-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#04121A;font-size:18px;box-shadow:0 6px 18px rgba(0,227,166,.25);}
.hth-logo-text{font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.hth-logo-text em{font-style:normal;color:var(--brand);}
.hth-search{flex:1;max-width:420px;margin-left:auto;position:relative;}
.hth-search input{
  width:100%;padding:11px 16px 11px 42px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-1);font-size:14.5px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.hth-search input::placeholder{color:var(--text-3);}
.hth-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,227,166,.14);}
.hth-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px;}
.hth-topbar-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.hth-tel{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:7px;font-family:var(--font-num);}
.hth-tel i{color:var(--brand);}
.hth-burger{display:none;width:44px;height:44px;border-radius:12px;background:var(--glass);border:1px solid var(--glass-line);color:var(--text-1);align-items:center;justify-content:center;cursor:pointer;}

/* ---------- 频道行 ---------- */
.hth-channels{position:relative;border-top:1px solid rgba(255,255,255,.04);}
.hth-channels-inner{display:flex;align-items:center;gap:10px;min-height:50px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.hth-channels-inner::-webkit-scrollbar{display:none;}
.hth-channels::before,.hth-channels::after{content:"";position:absolute;top:0;bottom:0;width:44px;pointer-events:none;z-index:2;}
.hth-channels::before{left:0;background:linear-gradient(90deg,var(--bg-base),rgba(7,13,24,0));}
.hth-channels::after{right:0;background:linear-gradient(270deg,var(--bg-base),rgba(7,13,24,0));}
.hth-tab{
  position:relative;flex:0 0 auto;padding:8px 16px;border-radius:999px;font-size:14.5px;color:var(--text-2);
  background:transparent;border:1px solid transparent;transition:all .22s var(--ease);white-space:nowrap;
}
.hth-tab:hover{color:var(--text-1);background:rgba(255,255,255,.06);}
.hth-tab.is-active{
  color:var(--text-1);font-weight:700;background:rgba(0,227,166,.12);border-color:rgba(0,227,166,.28);
  box-shadow:inset 0 -2px 0 rgba(0,227,166,.9);
}
.hth-tab.is-active::after{content:"";position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(0,227,166,.8);}

/* ---------- 移动抽屉 ---------- */
.hth-drawer{
  position:fixed;inset:0 0 0 auto;width:min(360px,86vw);z-index:200;
  background:linear-gradient(180deg,#0A1322,#070D18);border-left:1px solid var(--glass-line);
  padding:26px 22px;transform:translateX(105%);transition:transform .3s var(--ease);overflow-y:auto;
}
.hth-drawer.is-open{transform:translateX(0);}
.hth-drawer .hth-search{max-width:none;margin:20px 0 22px;}
.hth-drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.06);font-size:16px;}
.hth-drawer-nav a i{font-size:12px;color:var(--text-3);}
.hth-drawer-close{width:40px;height:40px;border-radius:12px;background:var(--glass);border:1px solid var(--glass-line);display:grid;place-items:center;cursor:pointer;color:var(--text-1);}
.hth-mask{position:fixed;inset:0;background:rgba(3,7,14,.6);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:opacity .3s var(--ease);z-index:190;}
.hth-mask.is-open{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.hth-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(7,13,24,.97) 18%,rgba(7,13,24,.82) 58%,rgba(7,13,24,.62)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--glass-line);
}
.hth-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,227,166,.6),transparent);}
.hth-hero-grid{padding-top:clamp(52px,6vw,92px);padding-bottom:clamp(52px,6vw,92px);row-gap:34px;}
.hth-hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(0,227,166,.12);border:1px solid rgba(0,227,166,.28);color:var(--brand);font-size:13px;font-weight:700;}
.hth-hero h1{margin:20px 0 16px;text-shadow:0 2px 22px rgba(0,0,0,.55);}
.hth-hero-sub{font-size:clamp(17px,1.7vw,21px);font-weight:700;color:var(--text-1);}
.hth-hero-text{margin-top:14px;color:var(--text-2);font-size:16px;max-width:600px;}
.hth-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hth-hero-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:38px;padding-top:26px;border-top:1px solid var(--glass-line);}
.hth-hero-metrics li{min-width:0;}
.hth-hero-metrics b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(21px,2.2vw,27px);color:var(--brand);line-height:1.2;}
.hth-hero-metrics span{display:block;margin-top:6px;font-size:13px;color:var(--text-3);}
.hth-hero-card{
  margin:0;border-radius:var(--r-lg);overflow:hidden;position:relative;
  background:rgba(255,255,255,.055);border:1px solid var(--glass-line);
  box-shadow:0 20px 48px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.1);
  backdrop-filter:blur(8px);
}
.hth-hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hth-hero-card figcaption{padding:16px 20px;font-size:14px;color:var(--text-2);border-top:1px solid var(--glass-line);}

/* ---------- 卡片 ---------- */
.hth-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.07);
  padding:26px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.hth-card:hover{transform:translateY(-4px);border-color:rgba(0,227,166,.45);box-shadow:var(--shadow-2),inset 0 1px 0 rgba(255,255,255,.1);}
.hth-card-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:rgba(0,227,166,.12);color:var(--brand);font-size:19px;margin-bottom:18px;}
.hth-card h3{margin-bottom:10px;}
.hth-card p{color:var(--text-2);font-size:15px;}
.hth-card-link{margin-top:auto;padding-top:18px;color:var(--brand);font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:8px;}
.hth-card-link i{font-size:11px;transition:transform .22s var(--ease);}
.hth-card:hover .hth-card-link i{transform:translateX(6px);}
.hth-card--feature{grid-row:span 2;}
.hth-card--feature h3{font-size:clamp(20px,2vw,25px);}
.hth-card--feature p{font-size:15.5px;}
.hth-card--feature img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm);border:1px solid var(--glass-line);margin-bottom:20px;}

/* ---------- 数据带 ---------- */
.hth-stats{
  position:relative;background:linear-gradient(180deg,var(--bg-elev),var(--bg-base));
  border-top:1px solid var(--glass-line);border-bottom:1px solid var(--glass-line);
}
.hth-stats::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,rgba(0,227,166,.75),rgba(40,200,255,.5),transparent);}
.hth-stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.hth-stat{padding:34px 24px;position:relative;min-width:0;}
.hth-stat + .hth-stat{border-left:1px solid var(--glass-line);}
.hth-stat b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(32px,4vw,50px);color:var(--brand);line-height:1.1;}
.hth-stat span{display:block;margin-top:8px;font-size:14px;color:var(--text-2);}

/* ---------- 最新信息 ---------- */
.hth-news-lead{
  display:block;background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.07);height:100%;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.hth-news-lead:hover{transform:translateY(-4px);border-color:rgba(0,227,166,.45);box-shadow:var(--shadow-2);}
.hth-news-lead img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hth-news-lead-body{padding:22px 24px 26px;}
.hth-news-lead-body h3{margin:12px 0 10px;font-size:clamp(19px,2vw,24px);}
.hth-news-lead-body p{color:var(--text-2);font-size:15px;}
.hth-news-lead-meta{display:flex;align-items:center;gap:12px;margin-top:18px;}
.hth-news-list{display:flex;flex-direction:column;gap:12px;height:100%;}
.hth-news-row{
  display:flex;align-items:center;gap:16px;padding:16px 18px;border-radius:var(--r-sm);
  background:var(--glass);border:1px solid var(--glass-line);min-height:56px;
  transition:border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.hth-news-row:hover{background:rgba(255,255,255,.09);border-color:rgba(0,227,166,.45);transform:translateX(3px);}
.hth-news-row-body{flex:1;min-width:0;}
.hth-news-row-title{display:block;font-size:15.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.hth-news-row-meta{display:flex;align-items:center;gap:10px;margin-top:6px;font-size:12.5px;color:var(--text-3);font-family:var(--font-num);}
.hth-news-row > i{color:var(--text-3);font-size:12px;transition:transform .22s var(--ease),color .22s var(--ease);}
.hth-news-row:hover > i{transform:translateX(5px);color:var(--brand);}
.hth-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;
  padding:56px 24px;border-radius:var(--r-md);border:1px dashed var(--glass-line);background:var(--glass);
}
.hth-empty i{font-size:26px;color:var(--text-3);}
.hth-empty p{color:var(--text-2);font-size:15px;}

/* ---------- 案例 ---------- */
.hth-case{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3vw,48px);align-items:center;padding:clamp(26px,3vw,44px) 0;border-top:1px solid var(--glass-line);}
.hth-case:first-of-type{border-top:0;}
.hth-case--rev .hth-case-media{order:2;}
.hth-case-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);border:1px solid var(--glass-line);box-shadow:var(--shadow-1);}
.hth-case-no{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:15px;font-weight:700;color:var(--accent);letter-spacing:.14em;}
.hth-case-body h3{margin:10px 0 12px;}
.hth-case-body p{color:var(--text-2);font-size:15.5px;}
.hth-case-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.hth-case-facts span{padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--glass-line);font-size:13px;color:var(--text-2);font-family:var(--font-num);}

/* ---------- 流程 ---------- */
.hth-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative;}
.hth-step{position:relative;padding:28px 22px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--glass-line);transition:transform .24s var(--ease),border-color .24s var(--ease);}
.hth-step:hover{transform:translateY(-4px);border-color:rgba(0,227,166,.4);}
.hth-step-no{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;color:var(--brand);letter-spacing:.14em;}
.hth-step h3{margin:12px 0 10px;font-size:17.5px;}
.hth-step p{color:var(--text-2);font-size:14.5px;}

/* ---------- FAQ ---------- */
.hth-faq-wrap{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:clamp(24px,3vw,52px);align-items:start;}
.hth-faq-aside{position:sticky;top:24px;padding:28px;border-radius:var(--r-md);background:linear-gradient(160deg,rgba(0,227,166,.1),rgba(255,255,255,.04));border:1px solid var(--glass-line);}
.hth-faq-aside h2{font-size:clamp(22px,2.4vw,30px);}
.hth-faq-aside p{margin-top:14px;color:var(--text-2);font-size:15px;}
.hth-faq-aside .hth-btn{margin-top:22px;width:100%;}
.hth-faq-list{display:flex;flex-direction:column;gap:12px;}
.hth-faq-item{border:1px solid var(--glass-line);border-radius:var(--r-md);background:var(--glass);overflow:hidden;transition:border-color .22s var(--ease);}
.hth-faq-item.is-open{border-color:rgba(0,227,166,.45);}
.hth-faq-q{
  width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--text-1);
}
.hth-faq-q .hth-faq-no{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;color:var(--accent);letter-spacing:.1em;flex-shrink:0;}
.hth-faq-q span{flex:1;}
.hth-faq-q i{color:var(--text-3);font-size:13px;transition:transform .26s var(--ease),color .26s var(--ease);}
.hth-faq-item.is-open .hth-faq-q i{transform:rotate(180deg);color:var(--brand);}
.hth-faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .3s var(--ease),opacity .3s var(--ease);}
.hth-faq-item.is-open .hth-faq-a{opacity:1;}
.hth-faq-a p{padding:0 20px 20px 60px;color:var(--text-2);font-size:15px;line-height:1.8;}

/* ---------- 联系 ---------- */
.hth-contact-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(22px,3vw,40px);align-items:start;}
.hth-form{padding:clamp(24px,3vw,36px);border-radius:var(--r-md);background:var(--glass);border:1px solid var(--glass-line);box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.07);}
.hth-field{margin-bottom:18px;}
.hth-field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;}
.hth-field input,.hth-field select,.hth-field textarea{
  width:100%;padding:12px 15px;border-radius:var(--r-sm);background:rgba(255,255,255,.045);
  border:1px solid var(--glass-line);color:var(--text-1);font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.hth-field textarea{min-height:118px;resize:vertical;}
.hth-field input::placeholder,.hth-field textarea::placeholder{color:var(--text-3);}
.hth-field input:focus,.hth-field select:focus,.hth-field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,227,166,.14);}
.hth-field select option{background:#0C1526;color:var(--text-1);}
.hth-check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);margin-bottom:20px;}
.hth-check input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex-shrink:0;}
.hth-form .hth-btn{width:100%;}
.hth-info-card{padding:clamp(24px,3vw,32px);border-radius:var(--r-md);background:linear-gradient(160deg,rgba(40,200,255,.1),rgba(255,255,255,.04));border:1px solid var(--glass-line);}
.hth-info-list{display:flex;flex-direction:column;gap:18px;margin-top:22px;}
.hth-info-list li{display:flex;gap:14px;align-items:flex-start;}
.hth-info-list i{width:38px;height:38px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;background:rgba(0,227,166,.12);color:var(--brand);font-size:15px;}
.hth-info-list b{display:block;font-size:14px;color:var(--text-2);font-weight:500;}
.hth-info-list span{font-size:15.5px;font-weight:700;font-family:var(--font-num);}
.hth-map{margin-top:24px;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--glass-line);}
.hth-map img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ---------- CTA 条 ---------- */
.hth-cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:clamp(28px,3.4vw,44px);border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(0,227,166,.16),rgba(40,200,255,.1) 55%,rgba(255,255,255,.04));
  border:1px solid rgba(0,227,166,.28);box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.1);
}
.hth-cta-band h2{font-size:clamp(21px,2.4vw,30px);}
.hth-cta-band p{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:620px;}
.hth-cta-band-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.hth-footer{background:linear-gradient(180deg,var(--bg-elev),#050A12);border-top:1px solid var(--glass-line);padding-top:clamp(48px,5vw,74px);}
.hth-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:clamp(22px,3vw,42px);}
.hth-footer h4{font-size:15px;margin-bottom:18px;color:var(--text-1);}
.hth-footer p,.hth-footer li,.hth-footer a{font-size:14px;color:var(--text-2);}
.hth-footer-links{display:flex;flex-direction:column;gap:11px;}
.hth-footer-links a{display:inline-flex;align-items:center;gap:8px;}
.hth-footer-links a i{font-size:10px;color:var(--text-3);}
.hth-footer-brand{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.hth-footer-brand li{display:flex;align-items:center;gap:9px;font-family:var(--font-num);}
.hth-footer-brand i{color:var(--brand);width:16px;}
.hth-footer-bottom{
  margin-top:clamp(36px,4vw,56px);padding:22px 0;border-top:1px solid var(--glass-line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.hth-footer-bottom p{font-size:13px;color:var(--text-3);}
.hth-footer-bottom .hth-num{font-size:13px;color:var(--text-3);}

/* ---------- 返回顶部 ---------- */
.hth-totop{
  position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:50%;z-index:120;
  display:grid;place-items:center;cursor:pointer;
  background:rgba(12,21,38,.86);border:1px solid var(--glass-line);color:var(--text-1);
  box-shadow:var(--shadow-1);opacity:0;visibility:hidden;transition:all .26s var(--ease);
}
.hth-totop.is-show{opacity:1;visibility:visible;}
.hth-totop:hover{color:var(--brand);border-color:rgba(0,227,166,.5);transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .hth-container,.grid-container.hth-container{padding-left:24px;padding-right:24px;}
  .hth-search{display:none;}
  .hth-topbar-actions .hth-tel{display:none;}
  .hth-burger{display:inline-flex;}
  .hth-topbar{min-height:64px;}
  .hth-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hth-stat:nth-child(3){border-left:0;}
  .hth-stat:nth-child(n+3){border-top:1px solid var(--glass-line);}
  .hth-steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hth-faq-wrap{grid-template-columns:1fr;}
  .hth-faq-aside{position:static;}
  .hth-contact-grid{grid-template-columns:1fr;}
  .hth-footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:640px){
  body{font-size:16px;line-height:1.8;}
  .hth-container,.grid-container.hth-container{padding-left:20px;padding-right:20px;}
  .hth-hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .hth-hero-actions .hth-btn{flex:1 1 auto;}
  .hth-case{grid-template-columns:1fr;}
  .hth-case--rev .hth-case-media{order:0;}
  .hth-steps{grid-template-columns:1fr;}
  .hth-footer-grid{grid-template-columns:1fr;}
  .hth-faq-a p{padding-left:20px;}
  .hth-news-row{align-items:flex-start;}
  .hth-news-row-title{white-space:normal;}
  .hth-sec-head{flex-direction:column;align-items:flex-start;}
  .hth-cta-band{flex-direction:column;align-items:flex-start;}
  .hth-totop{right:16px;bottom:18px;}
}
@media screen and (min-width:1441px){
  .hth-container,.grid-container.hth-container{padding-left:32px;padding-right:32px;}
}

/* roulang page: article */
:root{
  --bg-base:#070D18;
  --bg-elev:#0C1526;
  --bg-elev-2:#111D31;
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(120,215,255,.14);
  --brand:#00E3A6;
  --brand-deep:#28C8FF;
  --accent:#FF5A2B;
  --text-1:#EAF3FF;
  --text-2:#9FB3C9;
  --text-3:#6C8298;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --shadow-1:0 6px 20px rgba(0,0,0,.35);
  --shadow-2:0 14px 34px rgba(0,227,166,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans SC","MiSans","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --mono:"DIN Alternate",Inter,Barlow,"SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  background-image:radial-gradient(1200px 520px at 12% -10%,rgba(0,227,166,.10),transparent 62%),
                   radial-gradient(900px 460px at 92% 4%,rgba(40,200,255,.10),transparent 60%);
  background-repeat:no-repeat;
  color:var(--text-1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.grid-container.hth-container{max-width:1240px;padding-left:20px;padding-right:20px}
@media (min-width:1024px){
  .grid-container.hth-container{padding-left:32px;padding-right:32px}
}

/* ============ 顶部导航 ============ */
.hth-header{position:relative;z-index:40}
.hth-header-top{
  background:linear-gradient(180deg,rgba(7,13,24,.96),rgba(7,13,24,.86));
  border-bottom:1px solid rgba(255,255,255,.05);
  backdrop-filter:blur(16px);
}
.hth-topbar{
  display:flex;align-items:center;gap:18px;
  min-height:72px;
}
.hth-logo{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.hth-logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(0,227,166,.24),rgba(40,200,255,.16));
  border:1px solid rgba(0,227,166,.38);
  color:var(--brand);font-size:17px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16),0 6px 16px rgba(0,227,166,.14);
}
.hth-logo-text{
  font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--text-1);line-height:1.2;
}
.hth-logo-text em{font-style:normal;color:var(--brand)}
.hth-search{
  position:relative;flex:1 1 auto;max-width:400px;margin:0 0 0 auto;
}
.hth-search i{
  position:absolute;left:15px;top:50%;transform:translateY(-50%);
  color:var(--text-3);font-size:13px;pointer-events:none;
}
.hth-search input[type="search"]{
  width:100%;height:42px;margin:0;padding:0 18px 0 38px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:999px;
  color:var(--text-1);font-size:14px;
  box-shadow:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.hth-search input[type="search"]::placeholder{color:var(--text-3)}
.hth-search input[type="search"]:focus{
  outline:none;background:rgba(255,255,255,.08);
  border-color:rgba(0,227,166,.6);
  box-shadow:0 0 0 3px rgba(0,227,166,.14);
}
.hth-top-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.hth-top-link{font-size:14px;color:var(--text-2)}
.hth-top-link:hover{color:var(--brand)}
.hth-burger{
  display:none;width:42px;height:42px;flex:0 0 auto;
  align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:12px;color:var(--text-1);cursor:pointer;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.hth-burger:hover{border-color:rgba(0,227,166,.5);background:rgba(255,255,255,.09)}

/* 频道 Tabs */
.hth-channels{
  position:relative;
  background:rgba(7,13,24,.82);
  border-bottom:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
}
.hth-channels::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:58px;pointer-events:none;
  background:linear-gradient(90deg,rgba(7,13,24,0),rgba(7,13,24,.96));
}
.hth-channels-inner{
  display:flex;align-items:center;gap:10px;
  padding:8px 0;overflow-x:auto;white-space:nowrap;
  scrollbar-width:none;-ms-overflow-style:none;
}
.hth-channels-inner::-webkit-scrollbar{display:none}
.hth-tab{
  flex:0 0 auto;padding:9px 16px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);
  border:1px solid transparent;
  transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.hth-tab:hover{color:var(--text-1);background:var(--glass);border-color:var(--glass-line)}
.hth-tab.is-active{
  color:var(--text-1);
  background:linear-gradient(180deg,rgba(0,227,166,.15),rgba(0,227,166,.055));
  border-color:rgba(0,227,166,.34);
  box-shadow:inset 0 -2px 0 0 var(--brand);
}

/* 移动抽屉 */
.hth-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  z-index:80;padding:22px 20px 28px;
  background:linear-gradient(180deg,#0C1526,#070D18);
  border-left:1px solid var(--glass-line);
  box-shadow:-24px 0 48px rgba(0,0,0,.5);
  transform:translateX(105%);
  transition:transform .28s var(--ease);
  overflow-y:auto;
}
.hth-drawer.is-open{transform:translateX(0)}
.hth-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.hth-drawer-title{font-size:15px;color:var(--text-2)}
.hth-drawer-close{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:11px;
  color:var(--text-1);cursor:pointer;
}
.hth-drawer .hth-search{max-width:none;margin:0 0 16px}
.hth-drawer-links{display:flex;flex-direction:column;gap:4px;margin-top:18px}
.hth-drawer-links a{
  padding:11px 12px;border-radius:12px;font-size:15px;color:var(--text-2);
  border:1px solid transparent;
}
.hth-drawer-links a:hover,
.hth-drawer-links a.is-active{
  color:var(--text-1);background:var(--glass);border-color:var(--glass-line);
}
.hth-backdrop{
  position:fixed;inset:0;background:rgba(3,7,14,.68);backdrop-filter:blur(3px);
  z-index:70;opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.hth-backdrop.is-open{opacity:1;visibility:visible}

/* ============ 按钮 / 通用 ============ */
.hth-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border:0;border-radius:999px;
  font-size:14.5px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.hth-btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
  color:#04231A;
  box-shadow:0 0 0 1px rgba(0,227,166,.5),0 8px 26px rgba(0,227,166,.28);
}
.hth-btn-primary:hover{
  color:#04231A;transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(0,227,166,.7),0 14px 34px rgba(0,227,166,.4);
}
.hth-btn-primary:active{transform:translateY(0)}
.hth-btn-ghost{
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-1);
}
.hth-btn-ghost:hover{
  color:var(--text-1);background:rgba(255,255,255,.1);border-color:rgba(0,227,166,.5);
}
.hth-btn-block{width:100%}
.hth-btn-text{
  background:none;border:0;padding:0;color:var(--brand);
  display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;cursor:pointer;
}
.hth-btn-text i{transition:transform .22s var(--ease)}
.hth-btn-text:hover i{transform:translateX(5px)}

/* ============ 面包屑 ============ */
.hth-crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--text-3);
}
.hth-crumbs .hth-crumb-sep{color:rgba(108,130,152,.6)}
.hth-crumbs a{color:var(--text-2)}
.hth-crumbs a:hover{color:var(--brand)}
.hth-crumbs [aria-current="page"]{
  color:var(--text-1);max-width:min(72vw,560px);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章头 ============ */
.hth-article-head{padding:34px 0 8px}
.hth-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.01em;line-height:1.4;
}
.hth-badge-brand{background:rgba(0,227,166,.12);color:var(--brand);border:1px solid rgba(0,227,166,.28)}
.hth-badge-grey{background:rgba(255,255,255,.06);color:var(--text-2);border:1px solid var(--glass-line)}
.hth-badge-accent{background:rgba(255,90,43,.12);color:var(--accent);border:1px solid rgba(255,90,43,.28)}
.hth-article-title{
  margin:18px 0 0;
  font-size:clamp(28px,3.6vw,44px);
  font-weight:700;letter-spacing:.01em;line-height:1.32;
  color:var(--text-1);
}
.hth-article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:20px;font-size:13.5px;color:var(--text-3);
}
.hth-article-meta span{display:inline-flex;align-items:center;gap:7px}
.hth-article-meta i{color:var(--brand);font-size:12px}
.hth-article-meta b{color:var(--text-1);font-family:var(--mono);font-weight:600}
.hth-article-meta time{font-family:var(--mono);color:var(--text-2)}
.hth-share{display:flex;align-items:center;gap:12px;margin-top:22px;flex-wrap:wrap}
.hth-share-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;cursor:pointer;
  background:var(--glass);border:1px solid var(--glass-line);
  color:var(--text-2);font-size:13.5px;
  transition:all .22s var(--ease);
}
.hth-share-btn:hover{color:var(--text-1);border-color:rgba(0,227,166,.5);background:rgba(255,255,255,.09)}
.hth-share-btn.is-done{color:var(--brand);border-color:rgba(0,227,166,.55);background:rgba(0,227,166,.1)}
.hth-share-hint{
  font-size:13px;color:var(--brand);
  opacity:0;transform:translateY(-2px);transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.hth-share-hint.is-show{opacity:1;transform:translateY(0)}
.hth-article-cover{
  position:relative;margin:30px 0 0;
  aspect-ratio:16/9;width:100%;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow-1);
  background:var(--bg-elev-2);
}
.hth-article-cover img{width:100%;height:100%;object-fit:cover}

/* ============ 正文布局 ============ */
.hth-article-layout{padding:44px 0 clamp(56px,7vw,104px)}
.hth-article-main{min-width:0}
.hth-article-body{
  max-width:800px;
  font-size:17px;line-height:1.9;color:#D6E4F5;
}
.hth-prose p{margin:0 0 20px}
.hth-prose h2{
  position:relative;
  margin:44px 0 20px;padding-left:17px;
  font-size:clamp(21px,2.3vw,28px);font-weight:700;line-height:1.35;color:var(--text-1);
  scroll-margin-top:90px;
}
.hth-prose h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 12px rgba(0,227,166,.5);
}
.hth-prose h3{
  margin:32px 0 14px;font-size:20px;font-weight:700;line-height:1.4;color:var(--text-1);
}
.hth-prose h4{margin:24px 0 12px;font-size:17px;font-weight:700;color:var(--brand)}
.hth-prose a{color:var(--brand);border-bottom:1px solid rgba(0,227,166,.35)}
.hth-prose a:hover{border-bottom-color:var(--brand)}
.hth-prose ul,.hth-prose ol{margin:0 0 22px;padding-left:0}
.hth-prose ul li,.hth-prose ol li{
  position:relative;padding-left:22px;margin-bottom:10px;color:#C9DAEC;
}
.hth-prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;transform:rotate(45deg);
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
}
.hth-prose ol{counter-reset:hth-ol}
.hth-prose ol li{counter-increment:hth-ol;padding-left:30px}
.hth-prose ol li::before{
  content:counter(hth-ol,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--mono);font-size:13px;color:var(--accent);font-weight:600;
}
.hth-prose blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--glass);
  border-left:3px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);font-size:16px;
}
.hth-prose blockquote p:last-child{margin-bottom:0}
.hth-prose img{
  width:100%;border-radius:var(--r-md);
  border:1px solid var(--glass-line);
  margin:26px 0 10px;
}
.hth-prose figure{margin:26px 0}
.hth-prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.hth-prose table{
  width:100%;border-collapse:collapse;margin:26px 0;
  font-size:14.5px;border:1px solid var(--glass-line);border-radius:var(--r-md);overflow:hidden;
}
.hth-prose th,.hth-prose td{
  padding:12px 14px;text-align:left;border-bottom:1px solid rgba(120,215,255,.1);
}
.hth-prose th{background:rgba(255,255,255,.05);color:var(--text-1);font-weight:600}
.hth-prose td{color:var(--text-2)}
.hth-prose hr{border:0;height:1px;background:var(--glass-line);margin:34px 0}
.hth-prose strong{color:var(--text-1)}

/* 标签行 */
.hth-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:44px 0 0;padding-top:26px;border-top:1px solid var(--glass-line);
}
.hth-tags-label{font-size:13.5px;color:var(--text-3);margin-right:4px}
.hth-tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(0,227,166,.08);border:1px solid rgba(0,227,166,.24);color:var(--brand);
  transition:all .22s var(--ease);
}
.hth-tag:hover{background:rgba(0,227,166,.16);border-color:rgba(0,227,166,.5);color:var(--brand)}

/* 上下篇 */
.hth-postnav{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;margin:38px 0 0;
}
.hth-postnav-card{
  display:block;padding:20px 22px;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-md);
  transition:all .24s var(--ease);
}
.hth-postnav-card:hover{
  transform:translateY(-4px);border-color:rgba(0,227,166,.5);
  box-shadow:var(--shadow-2);background:rgba(255,255,255,.075);
}
.hth-postnav-dir{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;color:var(--text-3);
}
.hth-postnav-card:hover .hth-postnav-dir{color:var(--brand)}
.hth-postnav-title{
  display:block;margin-top:9px;font-size:15.5px;font-weight:600;color:var(--text-1);
  line-height:1.55;
}

/* 相关推荐 */
.hth-related{margin-top:clamp(44px,5vw,68px)}
.hth-sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:24px;flex-wrap:wrap;
}
.hth-sec-title{font-size:clamp(20px,2.1vw,26px);font-weight:700;color:var(--text-1)}
.hth-sec-sub{font-size:14px;color:var(--text-3);margin-top:6px}
.hth-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.hth-card:hover{
  transform:translateY(-4px);
  border-color:rgba(0,227,166,.5);
  box-shadow:var(--shadow-2);
}
.hth-card-media{
  position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--bg-elev-2);
}
.hth-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.hth-card:hover .hth-card-media img{transform:scale(1.04)}
.hth-card-body{display:flex;flex-direction:column;gap:11px;padding:18px 20px 20px}
.hth-card-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.hth-card-title{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hth-card:hover .hth-card-title{color:var(--brand)}
.hth-card-desc{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hth-card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:2px;font-size:12.5px;color:var(--text-3);
}
.hth-card-foot time{font-family:var(--mono)}
.hth-card-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600}
.hth-card-more i{transition:transform .22s var(--ease);font-size:11px}
.hth-card:hover .hth-card-more i{transform:translateX(4px)}

/* 返回列表 */
.hth-back-row{margin-top:36px}

/* ============ 侧栏 ============ */
.hth-article-side{display:none}
@media (min-width:1024px){
  .hth-article-side{display:block}
}
.hth-side-sticky{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px}
.hth-side-card{
  padding:22px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--shadow-1);
}
.hth-side-card::before{
  content:"";display:block;height:1px;margin:-22px -22px 18px;
  background:linear-gradient(90deg,rgba(0,227,166,.6),rgba(40,200,255,.05));
}
.hth-side-title{
  font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:14px;
  display:flex;align-items:center;gap:9px;
}
.hth-side-title i{color:var(--brand);font-size:13px}
.hth-toc li{margin-bottom:9px}
.hth-toc a{
  display:block;font-size:14px;color:var(--text-2);line-height:1.55;
  padding-left:13px;border-left:2px solid rgba(120,215,255,.16);
  transition:all .2s var(--ease);
}
.hth-toc a:hover{color:var(--brand);border-left-color:var(--brand);padding-left:17px}
.hth-hot-list li+li{border-top:1px solid rgba(120,215,255,.1)}
.hth-hot-list a{
  display:flex;gap:12px;padding:12px 0;font-size:14px;color:var(--text-2);line-height:1.6;
}
.hth-hot-list a:hover{color:var(--brand)}
.hth-hot-num{
  flex:0 0 auto;font-family:var(--mono);font-size:13px;color:var(--accent);font-weight:600;
  line-height:1.7;
}
.hth-side-text{font-size:13.5px;color:var(--text-2);line-height:1.75;margin-bottom:16px}

/* ============ 空态 ============ */
.hth-empty{
  padding:clamp(46px,7vw,86px) 24px;text-align:center;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-lg);
  max-width:640px;margin:0 auto;
}
.hth-empty i{font-size:34px;color:var(--text-3);margin-bottom:16px;display:block}
.hth-empty h1{font-size:22px;font-weight:700;color:var(--text-1);margin-bottom:10px}
.hth-empty p{font-size:14.5px;color:var(--text-2);margin-bottom:22px}

/* ============ 页脚 ============ */
.hth-footer{
  margin-top:clamp(56px,7vw,100px);
  background:linear-gradient(180deg,rgba(12,21,38,.9),rgba(7,13,24,1));
  border-top:1px solid var(--glass-line);
  padding:clamp(44px,5.5vw,72px) 0 0;
}
.hth-footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;
}
.hth-footer h4{
  font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:18px;
}
.hth-footer p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:420px}
.hth-footer-brand{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.hth-footer-brand li{
  display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-2);
}
.hth-footer-brand i{color:var(--brand);font-size:13px;width:16px;text-align:center}
.hth-footer-links{display:flex;flex-direction:column;gap:11px}
.hth-footer-links a{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;color:var(--text-2);
}
.hth-footer-links a i{font-size:10px;color:var(--text-3);transition:transform .2s var(--ease),color .2s var(--ease)}
.hth-footer-links a:hover{color:var(--brand)}
.hth-footer-links a:hover i{color:var(--brand);transform:translateX(3px)}
.hth-footer-bottom{
  margin-top:clamp(36px,4.5vw,56px);
  padding:20px 0 26px;
  border-top:1px solid rgba(120,215,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.hth-footer-bottom-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.hth-to-top{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2);
  transition:all .22s var(--ease);
}
.hth-to-top:hover{
  color:var(--brand);border-color:rgba(0,227,166,.55);transform:translateY(-3px);
  box-shadow:0 8px 22px rgba(0,227,166,.18);
}

/* 悬浮回顶 */
.hth-float-top{
  position:fixed;right:22px;bottom:26px;z-index:60;
  width:46px;height:46px;border-radius:50%;
  display:none;align-items:center;justify-content:center;
  background:rgba(12,21,38,.86);border:1px solid var(--glass-line);
  color:var(--text-1);cursor:pointer;backdrop-filter:blur(10px);
  box-shadow:var(--shadow-1);
  opacity:0;transform:translateY(10px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.hth-float-top.is-show{opacity:1;transform:translateY(0)}
.hth-float-top:hover{color:var(--brand);border-color:rgba(0,227,166,.55)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .hth-search{max-width:280px}
  .hth-footer-grid{grid-template-columns:1fr 1fr}
  .hth-article-body{max-width:none}
}
@media (max-width:767px){
  .hth-search{display:none}
  .hth-top-actions .hth-top-link{display:none}
  .hth-burger{display:inline-flex;margin-left:auto}
  .hth-topbar{min-height:60px;gap:12px}
  .hth-logo-text{font-size:17px}
  .hth-logo-mark{width:34px;height:34px;border-radius:10px;font-size:15px}
  .hth-article-head{padding:24px 0 6px}
  .hth-article-title{font-size:25px}
  .hth-article-meta{gap:8px 16px;font-size:13px}
  .hth-postnav{grid-template-columns:minmax(0,1fr);gap:14px}
  .hth-article-body{font-size:16px;line-height:1.85}
  .hth-prose h2{font-size:21px;margin-top:34px}
  .hth-footer-grid{grid-template-columns:1fr;gap:28px}
  .hth-footer-bottom{flex-direction:column;align-items:flex-start}
  .hth-float-top{right:14px;bottom:18px;width:42px;height:42px}
}
@media (max-width:519px){
  .hth-card-title{font-size:16px}
  .hth-article-cover{aspect-ratio:4/3}
  .hth-share{gap:9px}
}

/* roulang page: category1 */
:root{
  --bg-base:#070D18;
  --bg-elev:#0C1526;
  --bg-elev-2:#111D31;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.085);
  --glass-line:rgba(120,215,255,.14);
  --glass-line-strong:rgba(0,227,166,.42);
  --brand:#00E3A6;
  --brand-deep:#28C8FF;
  --accent:#FF5A2B;
  --text-1:#EAF3FF;
  --text-2:#9FB3C9;
  --text-3:#6C8298;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --shadow-1:0 6px 20px rgba(0,0,0,.35);
  --shadow-2:0 14px 34px rgba(0,227,166,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Inter","Barlow",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
  background-image:
    radial-gradient(900px 520px at 12% -6%,rgba(0,227,166,.10),transparent 62%),
    radial-gradient(760px 460px at 92% 4%,rgba(40,200,255,.09),transparent 60%);
  background-repeat:no-repeat;
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:700;letter-spacing:.01em;line-height:1.3;color:var(--text-1);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.grid-container.hth-container{max-width:1240px;padding-left:20px;padding-right:20px;}
@media screen and (min-width:1024px){
  .grid-container.hth-container{padding-left:32px;padding-right:32px;}
}

/* ---------- 顶部品牌行 ---------- */
.hth-header{position:relative;z-index:40;background:linear-gradient(180deg,rgba(7,13,24,.96),rgba(7,13,24,.86));border-bottom:1px solid rgba(255,255,255,.06);backdrop-filter:blur(14px);}
.hth-topbar-inner{display:flex;align-items:center;gap:22px;min-height:72px;}
.hth-logo{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
.hth-logo-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04121A;font-size:18px;box-shadow:0 8px 22px rgba(0,227,166,.28),inset 0 1px 0 rgba(255,255,255,.5);
}
.hth-logo-text{font-size:19px;font-weight:700;color:var(--text-1);letter-spacing:.02em;white-space:nowrap;}
.hth-logo-text em{font-style:normal;color:var(--brand);}
.hth-search{position:relative;flex:1 1 auto;max-width:372px;}
.hth-search i{position:absolute;left:17px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px;pointer-events:none;}
.hth-search input{
  width:100%;height:44px;padding:0 18px 0 44px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.hth-search input::placeholder{color:var(--text-3);}
.hth-search input:focus{outline:none;border-color:var(--brand);background:rgba(0,227,166,.06);box-shadow:0 0 0 4px rgba(0,227,166,.12);}
.hth-topbar-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto;}
.hth-link-ghost{font-size:14.5px;color:var(--text-2);}
.hth-link-ghost:hover{color:var(--brand);}

.hth-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.hth-btn.is-sm{padding:10px 20px;font-size:14.5px;}
.hth-btn-primary{
  color:#04121A;background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 0 1px rgba(0,227,166,.5),0 8px 26px rgba(0,227,166,.28);
}
.hth-btn-primary:hover{color:#04121A;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(0,227,166,.62),0 14px 32px rgba(0,227,166,.36);}
.hth-btn-primary:active{transform:translateY(-1px);}
.hth-btn-ghost{color:var(--text-1);background:var(--glass);border:1px solid var(--glass-line);}
.hth-btn-ghost:hover{color:var(--text-1);background:rgba(255,255,255,.1);border-color:var(--glass-line-strong);transform:translateY(-2px);}
.hth-btn-text{color:var(--text-2);padding:8px 0;font-weight:600;}
.hth-btn-text i{transition:transform .22s var(--ease);}
.hth-btn-text:hover i{transform:translateX(4px);}

.hth-burger{display:none;width:44px;height:44px;border-radius:12px;background:var(--glass);border:1px solid var(--glass-line);flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.hth-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);}

/* ---------- 频道 Tabs ---------- */
.hth-channels{border-top:1px solid rgba(255,255,255,.05);background:rgba(9,16,29,.72);}
.hth-channels-inner{
  display:flex;align-items:center;gap:8px;padding:9px 0;overflow-x:auto;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
}
.hth-channels-inner::-webkit-scrollbar{display:none;}
.hth-tab{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;font-size:14.5px;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;
}
.hth-tab:hover{color:var(--text-1);background:var(--glass);}
.hth-tab.is-active{color:#fff;background:rgba(0,227,166,.12);border-color:rgba(0,227,166,.35);box-shadow:inset 0 -2px 0 var(--brand);}

/* ---------- 移动抽屉 ---------- */
.hth-drawer-mask{position:fixed;inset:0;background:rgba(3,7,14,.66);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:70;}
.hth-drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:var(--bg-elev);border-left:1px solid var(--glass-line);transform:translateX(102%);transition:transform .28s var(--ease);z-index:80;padding:24px 22px;overflow-y:auto;}
.hth-drawer.is-open{transform:none;}
.hth-drawer-mask.is-open{opacity:1;visibility:visible;}
.hth-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.hth-drawer-close{width:38px;height:38px;border-radius:10px;background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2);}
.hth-drawer .hth-search{max-width:none;margin-bottom:18px;}
.hth-drawer-links{display:flex;flex-direction:column;gap:6px;margin-top:18px;border-top:1px solid rgba(255,255,255,.07);padding-top:18px;}
.hth-drawer-links a{padding:11px 4px;color:var(--text-2);font-size:15.5px;border-bottom:1px solid rgba(255,255,255,.05);}
.hth-drawer-links a:hover{color:var(--brand);}

@media screen and (max-width:900px){
  .hth-search{display:none;}
  .hth-link-ghost{display:none;}
  .hth-burger{display:flex;}
  .hth-topbar-inner{min-height:60px;}
}
@media screen and (max-width:520px){
  .hth-logo-text{font-size:17px;}
  .hth-logo-mark{width:36px;height:36px;border-radius:10px;font-size:16px;}
}

/* ---------- 通用区块 ---------- */
.hth-section{padding:clamp(56px,7vw,104px) 0;position:relative;}
.hth-section.tight{padding-top:clamp(38px,4vw,56px);}
.hth-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:14px;}
.hth-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),transparent);}
.hth-sec-head{max-width:760px;margin-bottom:clamp(28px,3.4vw,44px);}
.hth-sec-head h2{font-size:clamp(23px,2.6vw,34px);margin-bottom:12px;}
.hth-sec-head p{color:var(--text-2);font-size:15.5px;margin:0;}
.hth-sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 分类 Hero ---------- */
.hth-cat-hero{
  position:relative;padding:clamp(46px,6vw,78px) 0 clamp(40px,5vw,66px);
  background-image:linear-gradient(115deg,rgba(7,13,24,.95) 0%,rgba(7,13,24,.82) 46%,rgba(7,13,24,.62) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.06);
}
.hth-cat-hero::after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,227,166,.6),transparent);}
.hth-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:18px;}
.hth-crumbs a{color:var(--text-2);}
.hth-crumbs a:hover{color:var(--brand);}
.hth-crumbs .sep{color:rgba(159,179,201,.45);}
.hth-crumbs .current{color:var(--text-1);}
.hth-cat-hero h1{font-size:clamp(30px,4.2vw,50px);max-width:19em;margin-bottom:16px;}
.hth-cat-hero .hth-lede{color:var(--text-2);font-size:16.5px;max-width:62ch;line-height:1.9;margin-bottom:24px;}
.hth-hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.hth-chip{display:inline-flex;align-items:center;gap:7px;padding:7px 15px;border-radius:999px;font-size:13.5px;background:rgba(0,227,166,.12);border:1px solid rgba(0,227,166,.28);color:#8FF6D8;}
.hth-chip.is-alt{background:rgba(255,90,43,.12);border-color:rgba(255,90,43,.3);color:#FFB79E;}
.hth-hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ---------- 筛选条 ---------- */
.hth-filter{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;
  padding:16px 20px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.hth-filter-pills{display:flex;flex-wrap:wrap;gap:8px;}
.hth-pill{padding:7px 15px;border-radius:999px;font-size:13.5px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);}
.hth-pill:hover{color:var(--text-1);border-color:var(--glass-line-strong);}
.hth-pill.is-on{color:#04121A;background:linear-gradient(135deg,var(--brand),var(--brand-deep));border-color:transparent;font-weight:600;}
.hth-filter-right{display:flex;align-items:center;gap:16px;font-size:13.5px;color:var(--text-3);}
.hth-filter-right strong{color:var(--brand);font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:16px;}
.hth-viewtoggle{display:flex;gap:6px;}
.hth-viewtoggle button{width:34px;height:34px;border-radius:9px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);color:var(--text-3);font-size:13px;}
.hth-viewtoggle button.is-on{color:var(--brand);border-color:var(--glass-line-strong);background:rgba(0,227,166,.1);}

/* ---------- 布局 ---------- */
.hth-layout{margin-top:32px;}
.hth-main-col{padding-right:0;}
@media screen and (min-width:1024px){
  .hth-main-col{padding-right:28px;}
}

/* ---------- 卡片 ---------- */
.hth-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
@media screen and (max-width:1024px){
  .hth-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
}
@media screen and (max-width:640px){
  .hth-cards{grid-template-columns:minmax(0,1fr);}
}
.hth-card{
  display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.hth-card:hover{transform:translateY(-4px);border-color:var(--glass-line-strong);box-shadow:var(--shadow-2),inset 0 1px 0 rgba(255,255,255,.12);color:inherit;}
.hth-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-elev-2);}
.hth-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.hth-card:hover .hth-thumb img{transform:scale(1.04);}
.hth-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,13,24,0) 42%,rgba(7,13,24,.72) 100%);}
.hth-thumb .hth-badge{position:absolute;left:14px;top:14px;z-index:2;}
.hth-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(0,227,166,.16);border:1px solid rgba(0,227,166,.34);color:#8FF6D8;backdrop-filter:blur(6px);}
.hth-badge.is-orange{background:rgba(255,90,43,.16);border-color:rgba(255,90,43,.34);color:#FFB79E;}
.hth-card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.hth-card-body h3{font-size:18px;margin-bottom:10px;}
.hth-card-body p{color:var(--text-2);font-size:14.8px;line-height:1.8;margin-bottom:16px;}
.hth-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid rgba(255,255,255,.07);}
.hth-time{font-size:12.5px;color:var(--text-3);font-family:var(--font-num);font-variant-numeric:tabular-nums;display:inline-flex;align-items:center;gap:6px;}
.hth-card-more{font-size:13.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.hth-card-more i{transition:transform .22s var(--ease);}
.hth-card:hover .hth-card-more i{transform:translateX(4px);}

/* ---------- 侧栏 ---------- */
.hth-side{margin-top:32px;}
@media screen and (min-width:1024px){
  .hth-side{margin-top:0;}
}
.hth-side-card{
  border-radius:var(--r-md);padding:22px;margin-bottom:20px;
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
  border:1px solid var(--glass-line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.hth-side-card h3{font-size:16.5px;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.hth-side-card h3 i{color:var(--brand);font-size:14px;}
.hth-index-list li{border-bottom:1px dashed rgba(255,255,255,.08);}
.hth-index-list li:last-child{border-bottom:0;}
.hth-index-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;font-size:14.5px;color:var(--text-2);}
.hth-index-list a:hover{color:var(--brand);}
.hth-index-list span{font-size:12.5px;color:var(--text-3);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.hth-mini{display:flex;gap:13px;align-items:center;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.06);}
.hth-mini:last-child{border-bottom:0;padding-bottom:0;}
.hth-mini-img{flex:0 0 62px;width:62px;aspect-ratio:1/1;border-radius:12px;overflow:hidden;background:var(--bg-elev-2);}
.hth-mini-img img{width:100%;height:100%;object-fit:cover;}
.hth-mini h4{font-size:14.5px;margin:0 0 5px;line-height:1.5;font-weight:600;}
.hth-mini:hover h4{color:var(--brand);}
.hth-mini span{font-size:12px;color:var(--text-3);font-family:var(--font-num);}
.hth-consult{background:linear-gradient(160deg,rgba(0,227,166,.14),rgba(40,200,255,.07));border-color:rgba(0,227,166,.3);}
.hth-consult p{color:var(--text-2);font-size:14.5px;margin-bottom:14px;}
.hth-consult .hth-tel{display:flex;align-items:center;gap:10px;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:21px;font-weight:700;color:var(--text-1);margin-bottom:16px;}
.hth-consult .hth-tel i{color:var(--brand);font-size:17px;}

/* ---------- 流程 ---------- */
.hth-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;position:relative;}
.hth-steps::before{content:"";position:absolute;left:6%;right:6%;top:29px;height:1px;background:linear-gradient(90deg,rgba(0,227,166,.45),rgba(40,200,255,.18));}
.hth-step{position:relative;padding-top:0;}
.hth-step-no{
  width:58px;height:58px;border-radius:16px;display:grid;place-items:center;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:19px;font-weight:700;color:var(--brand);
  background:var(--bg-elev-2);border:1px solid var(--glass-line);box-shadow:0 0 0 6px var(--bg-base);
  margin-bottom:18px;
}
.hth-step h3{font-size:17.5px;margin-bottom:8px;}
.hth-step p{color:var(--text-2);font-size:14.5px;margin:0;}
@media screen and (max-width:900px){
  .hth-steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hth-steps::before{display:none;}
}
@media screen and (max-width:520px){
  .hth-steps{grid-template-columns:minmax(0,1fr);}
}

/* ---------- 场景图文 ---------- */
.hth-scene{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;padding:26px 0;border-bottom:1px solid rgba(255,255,255,.06);}
.hth-scene:last-of-type{border-bottom:0;padding-bottom:0;}
.hth-scene:nth-child(even) .hth-scene-text{order:2;}
.hth-scene-no{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;color:var(--accent);letter-spacing:.12em;margin-bottom:12px;display:block;}
.hth-scene-text h3{font-size:21px;margin-bottom:12px;}
.hth-scene-text p{color:var(--text-2);font-size:15.2px;margin-bottom:14px;}
.hth-scene-list{display:flex;flex-wrap:wrap;gap:9px;}
.hth-scene-list li{font-size:13px;color:var(--text-2);padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);}
.hth-scene-img{aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.08);}
.hth-scene-img img{width:100%;height:100%;object-fit:cover;}
@media screen and (max-width:900px){
  .hth-scene{grid-template-columns:minmax(0,1fr);gap:20px;}
  .hth-scene:nth-child(even) .hth-scene-text{order:0;}
}

/* ---------- FAQ ---------- */
.hth-faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:start;}
.hth-faq-aside h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
.hth-faq-aside p{color:var(--text-2);font-size:15px;}
.hth-faq-cta{margin-top:22px;border-radius:var(--r-md);padding:20px;background:var(--glass);border:1px solid var(--glass-line);}
.hth-faq-cta p{font-size:14px;margin-bottom:14px;}
@media screen and (max-width:900px){
  .hth-faq-wrap{grid-template-columns:minmax(0,1fr);gap:22px;}
}
.hth-faq-list{display:flex;flex-direction:column;gap:12px;}
.hth-faq-list details{
  border-radius:var(--r-md);background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.hth-faq-list details[open]{border-color:var(--glass-line-strong);box-shadow:var(--shadow-2),inset 0 1px 0 rgba(255,255,255,.1);}
.hth-faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:16px 18px;font-size:15.6px;font-weight:600;color:var(--text-1);
}
.hth-faq-list summary::-webkit-details-marker{display:none;}
.hth-faq-list summary .no{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;color:var(--accent);font-weight:700;}
.hth-faq-list summary .chev{margin-left:auto;color:var(--text-3);font-size:13px;transition:transform .26s var(--ease),color .26s var(--ease);}
.hth-faq-list details[open] summary .chev{transform:rotate(180deg);color:var(--brand);}
.hth-faq-body{padding:0 18px 18px 47px;color:var(--text-2);font-size:15px;line-height:1.85;animation:hthFade .28s var(--ease);}
@keyframes hthFade{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- CTA 条 ---------- */
.hth-cta{
  border-radius:var(--r-lg);padding:clamp(30px,4vw,52px);
  background:linear-gradient(120deg,rgba(0,227,166,.16),rgba(40,200,255,.08) 46%,rgba(255,90,43,.1));
  border:1px solid var(--glass-line);box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.12);
  display:grid;grid-template-columns:1.4fr .6fr;gap:26px;align-items:center;
}
.hth-cta h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:10px;}
.hth-cta p{color:var(--text-2);font-size:15.5px;margin:0;}
.hth-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
@media screen and (max-width:900px){
  .hth-cta{grid-template-columns:minmax(0,1fr);}
  .hth-cta-actions{justify-content:flex-start;}
}

/* ---------- 分页 ---------- */
.hth-pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:46px;}
.hth-pager a,.hth-pager span{
  min-width:40px;height:40px;padding:0 14px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2);
}
.hth-pager a:hover{color:var(--text-1);border-color:var(--glass-line-strong);transform:translateY(-2px);}
.hth-pager .is-current{color:#04121A;background:linear-gradient(135deg,var(--brand),var(--brand-deep));border-color:transparent;font-weight:700;}
.hth-pager .is-disabled{opacity:.45;cursor:not-allowed;}

/* ---------- 页脚 ---------- */
.hth-footer{margin-top:clamp(48px,6vw,84px);border-top:1px solid rgba(255,255,255,.07);background:linear-gradient(180deg,rgba(12,21,38,.6),rgba(7,13,24,.96));padding:clamp(44px,5vw,72px) 0 0;}
.hth-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.hth-footer p{color:var(--text-2);font-size:14.4px;line-height:1.85;}
.hth-footer h4{font-size:15px;margin-bottom:16px;color:var(--text-1);}
.hth-footer-brand{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.hth-footer-brand li{display:flex;align-items:center;gap:10px;color:var(--text-2);font-size:14px;}
.hth-footer-brand li i{color:var(--brand);font-size:13px;}
.hth-footer-links{display:flex;flex-direction:column;gap:4px;}
.hth-footer-links a{display:flex;align-items:center;gap:8px;padding:7px 0;font-size:14.2px;color:var(--text-2);}
.hth-footer-links a i{font-size:10px;color:var(--text-3);transition:transform .22s var(--ease),color .22s var(--ease);}
.hth-footer-links a:hover{color:var(--brand);}
.hth-footer-links a:hover i{color:var(--brand);transform:translateX(3px);}
.hth-footer-intro{margin-top:16px;}
.hth-footer-bottom{margin-top:clamp(30px,4vw,48px);border-top:1px solid rgba(255,255,255,.07);padding:20px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;}
.hth-footer-bottom p{margin:0;font-size:13.4px;color:var(--text-3);}
.hth-footer-bottom a{color:var(--text-2);}
.hth-footer-bottom a:hover{color:var(--brand);}
@media screen and (max-width:900px){
  .hth-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
}
@media screen and (max-width:520px){
  .hth-footer-grid{grid-template-columns:minmax(0,1fr);}
}

/* ---------- 返回顶部 ---------- */
.hth-top-btn{
  position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;color:var(--text-1);
  background:rgba(17,29,49,.86);border:1px solid var(--glass-line);backdrop-filter:blur(10px);
  box-shadow:var(--shadow-1);opacity:0;visibility:hidden;transform:translateY(10px);z-index:60;
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease),border-color .26s var(--ease);
}
.hth-top-btn.is-show{opacity:1;visibility:visible;transform:none;}
.hth-top-btn:hover{border-color:var(--glass-line-strong);color:var(--brand);}

/* roulang page: category2 */
:root{
  --bg-base:#070D18;
  --bg-elev:#0C1526;
  --bg-elev-2:#111D31;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --glass-line:rgba(120,215,255,.14);
  --glass-line-2:rgba(120,215,255,.28);
  --brand:#00E3A6;
  --brand-deep:#28C8FF;
  --accent:#FF5A2B;
  --text-1:#EAF3FF;
  --text-2:#9FB3C9;
  --text-3:#6C8298;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --shadow-1:0 6px 20px rgba(0,0,0,.35);
  --shadow-2:0 14px 34px rgba(0,227,166,.10);
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Inter","Barlow","HarmonyOS Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 84% -8%, rgba(0,227,166,.12), transparent 60%),
    radial-gradient(900px 520px at 4% 12%, rgba(40,200,255,.10), transparent 62%),
    var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease);}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em;color:var(--text-1);}
p{margin:0 0 16px;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
input,select,textarea{outline:none;}
::selection{background:rgba(0,227,166,.28);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.hth-skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#04121A;padding:10px 16px;z-index:999;}
.hth-skip:focus{left:12px;top:12px;}
.grid-container.hth-container{
  max-width:var(--container);
  width:100%;
  padding-left:32px;
  padding-right:32px;
  margin-left:auto;
  margin-right:auto;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ============ Header ============ */
.hth-header{
  position:relative;
  z-index:60;
  background:linear-gradient(180deg, rgba(7,13,24,.96), rgba(7,13,24,.78));
  border-bottom:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.hth-header-top{border-bottom:1px solid rgba(120,215,255,.08);}
.hth-header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.hth-logo{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
.hth-logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#04121A;font-size:17px;
  box-shadow:0 8px 22px rgba(0,227,166,.30);
}
.hth-logo-text{font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--text-1);}
.hth-logo-text em{font-style:normal;color:var(--brand);}
.hth-logo:hover .hth-logo-text{color:var(--text-1);}
.hth-search{
  flex:1 1 auto;
  max-width:430px;
  display:flex;align-items:center;gap:10px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:999px;
  padding:6px 6px 6px 16px;
  transition:border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.hth-search:focus-within{border-color:var(--glass-line-2);box-shadow:0 0 0 3px rgba(0,227,166,.12);}
.hth-search i{color:var(--text-3);font-size:14px;}
.hth-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;
  color:var(--text-1);font-size:14px;padding:6px 0;
}
.hth-search input::placeholder{color:var(--text-3);}
.hth-search-btn{
  flex:0 0 auto;border-radius:999px;padding:7px 16px;
  font-size:13px;font-weight:700;color:#04121A;
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
}
.hth-search-btn:hover{filter:brightness(1.06);}
.hth-header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.hth-btn{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:999px;
  padding:11px 22px;
  font-size:14px;font-weight:700;
  white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .24s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
}
.hth-btn i{font-size:12px;transition:transform .22s var(--ease);}
.hth-btn-primary{
  color:#04121A;
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 0 1px rgba(0,227,166,.5),0 8px 26px rgba(0,227,166,.28);
}
.hth-btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(0,227,166,.6),0 14px 34px rgba(0,227,166,.34);color:#04121A;}
.hth-btn-primary:active{transform:translateY(0);}
.hth-btn-ghost{
  color:var(--text-1);
  background:var(--glass);
  border:1px solid var(--glass-line);
}
.hth-btn-ghost:hover{background:var(--glass-2);border-color:var(--glass-line-2);color:var(--brand);transform:translateY(-2px);}
.hth-btn-line{color:var(--brand);padding:8px 0;font-weight:700;}
.hth-btn-line i{margin-left:4px;}
.hth-btn-line:hover i{transform:translateX(5px);}
.hth-burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--glass-line);background:var(--glass);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hth-burger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text-1);transition:transform .22s var(--ease),opacity .22s var(--ease);}
.hth-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hth-burger.is-open span:nth-child(2){opacity:0;}
.hth-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ Channels ============ */
.hth-channels{
  background:rgba(9,16,29,.72);
  border-top:1px solid rgba(255,255,255,.03);
}
.hth-channels-inner{
  display:flex;align-items:center;gap:6px;
  min-height:50px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.hth-channels-inner::-webkit-scrollbar{display:none;}
.hth-channels .grid-container.hth-container{position:relative;}
.hth-channels .grid-container.hth-container::before,
.hth-channels .grid-container.hth-container::after{
  content:"";position:absolute;top:0;bottom:0;width:26px;pointer-events:none;z-index:2;
}
.hth-channels .grid-container.hth-container::before{left:0;background:linear-gradient(90deg,rgba(9,16,29,.96),transparent);}
.hth-channels .grid-container.hth-container::after{right:0;background:linear-gradient(270deg,rgba(9,16,29,.96),transparent);}
.hth-tab{
  position:relative;flex:0 0 auto;
  padding:14px 15px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  border-radius:999px;
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.hth-tab:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.hth-tab.is-active{color:var(--text-1);background:rgba(0,227,166,.12);font-weight:700;}
.hth-tab.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 12px rgba(0,227,166,.7);
}
.hth-drawer{
  position:fixed;inset:0 0 0 auto;width:min(340px,86vw);
  background:linear-gradient(180deg,#0B1424,#070D18);
  border-left:1px solid var(--glass-line);
  padding:26px 22px 40px;z-index:200;
  transform:translateX(102%);transition:transform .3s var(--ease);
  overflow-y:auto;
}
.hth-drawer.is-open{transform:translateX(0);}
.hth-drawer .hth-search{max-width:none;margin-bottom:18px;}
.hth-drawer-links{display:flex;flex-direction:column;gap:4px;margin:16px 0 22px;}
.hth-drawer-links a{
  padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid transparent;color:var(--text-2);font-size:15px;
}
.hth-drawer-links a:hover,.hth-drawer-links a.is-active{
  color:var(--text-1);background:var(--glass);border-color:var(--glass-line);
}
.hth-scrim{
  position:fixed;inset:0;background:rgba(3,7,14,.66);z-index:190;
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.hth-scrim.is-open{opacity:1;visibility:visible;}

/* ============ Hero ============ */
.hth-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--glass-line);
}
.hth-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(7,13,24,.96) 8%,rgba(7,13,24,.78) 52%,rgba(7,13,24,.92) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.hth-hero::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,227,166,.6),transparent);
}
.hth-hero-inner{
  position:relative;z-index:2;
  padding:clamp(38px,5vw,62px) 0 clamp(34px,4.4vw,54px);
  display:flex;align-items:flex-start;justify-content:space-between;gap:44px;flex-wrap:wrap;
}
.hth-hero-copy{flex:1 1 520px;max-width:680px;min-width:0;}
.hth-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap;}
.hth-crumb a{color:var(--text-2);}
.hth-crumb a:hover{color:var(--brand);}
.hth-crumb span.sep{color:var(--text-3);}
.hth-crumb .now{color:var(--text-2);}
.hth-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.22;margin-bottom:16px;
}
.hth-hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--brand),var(--brand-deep));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hth-hero-lead{font-size:16px;color:var(--text-2);max-width:640px;margin-bottom:24px;}
.hth-hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.hth-hero-stats{
  flex:0 1 340px;min-width:280px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.08);
  padding:8px 4px;
  display:grid;grid-template-columns:1fr 1fr;
}
.hth-stat{
  padding:16px 18px;
  border-right:1px solid rgba(120,215,255,.12);
  border-bottom:1px solid rgba(120,215,255,.12);
}
.hth-stat:nth-child(2n){border-right:0;}
.hth-stat:nth-child(n+3){border-bottom:0;}
.hth-stat b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:28px;font-weight:700;color:var(--brand);line-height:1.2;}
.hth-stat small{display:block;font-size:13px;color:var(--text-2);margin-top:4px;line-height:1.6;}

/* ============ Index bar ============ */
.hth-indexbar{
  background:var(--bg-elev);
  border-bottom:1px solid var(--glass-line);
  padding:18px 0;
}
.hth-indexbar-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.hth-indexbar-label{font-size:13px;color:var(--text-3);flex:0 0 auto;letter-spacing:.06em;}
.hth-pills{display:flex;flex-wrap:wrap;gap:10px;}
.hth-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 15px;border-radius:999px;
  font-size:13px;color:var(--text-2);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:all .22s var(--ease);cursor:pointer;
}
.hth-pill:hover{color:var(--text-1);background:var(--glass-2);border-color:var(--glass-line-2);}
.hth-pill.is-active{color:#04121A;background:linear-gradient(120deg,var(--brand),var(--brand-deep));border-color:transparent;font-weight:700;}
.hth-pill-accent{color:#FFD7C6;background:rgba(255,90,43,.14);border-color:rgba(255,90,43,.34);}

/* ============ Sections ============ */
.hth-section{padding:clamp(56px,7vw,104px) 0;}
.hth-section-alt{background:linear-gradient(180deg,rgba(12,21,38,.72),rgba(7,13,24,0));border-top:1px solid var(--glass-line);border-bottom:1px solid var(--glass-line);}
.hth-section-head{margin-bottom:clamp(26px,3vw,42px);display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.hth-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;margin-bottom:12px;font-family:var(--font-num);
}
.hth-eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),transparent);}
.hth-section-head h2{font-size:clamp(23px,2.6vw,34px);}
.hth-section-head h2 + p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:720px;margin-bottom:0;}

/* ============ Service list ============ */
.hth-list{
  border:1px solid var(--glass-line);
  border-radius:var(--r-lg);
  background:var(--glass);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.hth-row{
  display:flex;align-items:center;gap:18px;
  padding:18px 22px;
  min-height:72px;
  border-bottom:1px solid rgba(120,215,255,.10);
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.hth-row:last-child{border-bottom:0;}
.hth-row:hover{background:rgba(0,227,166,.06);}
.hth-row-num{
  flex:0 0 42px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:15px;font-weight:700;color:var(--accent);
}
.hth-row-main{flex:1 1 auto;min-width:0;}
.hth-row-main h3{font-size:17px;margin-bottom:4px;}
.hth-row-main p{margin:0;font-size:13.5px;color:var(--text-2);line-height:1.7;}
.hth-row-meta{flex:0 0 auto;display:flex;align-items:center;gap:10px;}
.hth-tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  font-size:12px;line-height:1.6;white-space:nowrap;
}
.hth-tag-brand{color:var(--brand);background:rgba(0,227,166,.12);}
.hth-tag-accent{color:#FFB79C;background:rgba(255,90,43,.13);}
.hth-tag-mute{color:var(--text-2);background:rgba(255,255,255,.06);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.hth-row-arrow{flex:0 0 auto;color:var(--text-3);font-size:13px;transition:transform .22s var(--ease),color .22s var(--ease);}
.hth-row:hover .hth-row-arrow{transform:translateX(6px);color:var(--brand);}

/* feature insert card */
.hth-feature{
  display:flex;gap:0;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(0,227,166,.08),rgba(40,200,255,.04));
  border-top:1px solid var(--glass-line);
  border-bottom:1px solid var(--glass-line);
  padding:22px;
  align-items:center;
}
.hth-feature-media{flex:0 1 300px;min-width:240px;}
.hth-feature-media .hth-figure{
  position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--glass-line);
}
.hth-figure img{width:100%;height:100%;object-fit:cover;}
.hth-feature-body{flex:1 1 320px;min-width:0;padding:4px 0 4px 24px;}
.hth-feature-body h3{font-size:19px;margin-bottom:10px;}
.hth-feature-body p{font-size:14px;color:var(--text-2);margin-bottom:14px;}
.hth-feature-meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}

/* ============ Cards ============ */
.hth-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.hth-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.07);
  padding:24px 22px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  display:flex;flex-direction:column;
}
.hth-card:hover{transform:translateY(-4px);border-color:var(--glass-line-2);box-shadow:var(--shadow-2),inset 0 1px 0 rgba(255,255,255,.12);}
.hth-card-icon{
  width:44px;height:44px;border-radius:13px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(0,227,166,.12);color:var(--brand);font-size:17px;margin-bottom:16px;
  border:1px solid rgba(0,227,166,.22);
}
.hth-card h3{font-size:18px;margin-bottom:10px;}
.hth-card p{font-size:14px;color:var(--text-2);margin-bottom:14px;}
.hth-card ul{margin-top:auto;display:flex;flex-direction:column;gap:8px;}
.hth-card ul li{font-size:13.5px;color:var(--text-2);display:flex;gap:9px;align-items:flex-start;line-height:1.7;}
.hth-card ul li i{color:var(--brand);font-size:11px;margin-top:7px;}

/* ============ Timeline ============ */
.hth-timeline{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;
  border-top:1px solid var(--glass-line);
  padding-top:28px;position:relative;
}
.hth-step{position:relative;padding:0 18px 0 0;}
.hth-step::before{
  content:"";position:absolute;left:0;top:-29px;width:11px;height:11px;border-radius:50%;
  background:var(--bg-base);border:2px solid var(--brand);box-shadow:0 0 12px rgba(0,227,166,.7);
}
.hth-step-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;color:var(--accent);font-weight:700;margin-bottom:8px;letter-spacing:.08em;}
.hth-step h3{font-size:17px;margin-bottom:8px;}
.hth-step p{font-size:13.5px;color:var(--text-2);margin:0;line-height:1.75;}

/* ============ News ============ */
.hth-news{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.hth-news-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.hth-news-item:hover{transform:translateY(-4px);border-color:var(--glass-line-2);box-shadow:var(--shadow-2);}
.hth-news-date{
  flex:0 0 66px;text-align:center;border-radius:var(--r-sm);
  background:rgba(0,227,166,.10);border:1px solid rgba(0,227,166,.20);
  padding:8px 0;font-family:var(--font-num);font-variant-numeric:tabular-nums;
}
.hth-news-date b{display:block;font-size:19px;color:var(--brand);line-height:1.2;}
.hth-news-date small{font-size:11px;color:var(--text-2);}
.hth-news-body h3{font-size:16.5px;margin-bottom:8px;}
.hth-news-body p{font-size:13.5px;color:var(--text-2);margin:0;}

/* ============ FAQ ============ */
.hth-faq-wrap{display:grid;grid-template-columns:360px minmax(0,1fr);gap:44px;}
.hth-faq-side{position:relative;}
.hth-faq-side h2{font-size:clamp(23px,2.6vw,34px);margin-bottom:16px;}
.hth-faq-side p{font-size:15px;color:var(--text-2);}
.hth-faq-side .hth-card{margin-top:22px;}
.hth-faq{display:flex;flex-direction:column;gap:12px;}
.hth-faq-item{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.hth-faq-item.is-open{border-color:var(--glass-line-2);background:rgba(255,255,255,.07);}
.hth-faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;font-size:16px;font-weight:700;color:var(--text-1);
}
.hth-faq-q .idx{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;color:var(--accent);flex:0 0 26px;}
.hth-faq-q .chev{margin-left:auto;color:var(--text-3);font-size:13px;transition:transform .26s var(--ease),color .26s var(--ease);}
.hth-faq-item.is-open .chev{transform:rotate(180deg);color:var(--brand);}
.hth-faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.hth-faq-a-inner{padding:0 20px 20px 60px;font-size:15px;color:var(--text-2);line-height:1.85;opacity:0;transition:opacity .3s var(--ease);}
.hth-faq-item.is-open .hth-faq-a-inner{opacity:1;}

/* ============ Contact / CTA ============ */
.hth-contact-panel{
  background:linear-gradient(135deg,rgba(0,227,166,.10),rgba(40,200,255,.05));
  border:1px solid var(--glass-line);
  border-radius:var(--r-lg);
  padding:clamp(26px,3vw,40px);
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.08);
}
.hth-contact-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:36px;}
.hth-form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.hth-field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.hth-field label{font-size:13.5px;color:var(--text-2);}
.hth-field input,.hth-field select,.hth-field textarea{
  background:rgba(7,13,24,.55);
  border:1px solid var(--glass-line);
  border-radius:var(--r-sm);
  padding:12px 14px;
  font-size:14.5px;color:var(--text-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  width:100%;
}
.hth-field textarea{min-height:112px;resize:vertical;}
.hth-field input::placeholder,.hth-field textarea::placeholder{color:var(--text-3);}
.hth-field input:focus,.hth-field select:focus,.hth-field textarea:focus{
  border-color:rgba(0,227,166,.6);box-shadow:0 0 0 3px rgba(0,227,166,.14);
}
.hth-field select option{background:#0C1526;color:var(--text-1);}
.hth-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);margin:4px 0 20px;}
.hth-check input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);}
.hth-info-card{
  background:rgba(7,13,24,.45);
  border:1px solid var(--glass-line);
  border-radius:var(--r-md);
  padding:24px;
}
.hth-info-card h3{font-size:18px;margin-bottom:16px;}
.hth-info-list{display:flex;flex-direction:column;gap:14px;margin-bottom:20px;}
.hth-info-list li{display:flex;gap:12px;font-size:14px;color:var(--text-2);line-height:1.7;}
.hth-info-list li i{color:var(--brand);margin-top:5px;font-size:13px;}
.hth-info-list li b{color:var(--text-1);font-weight:700;}
.hth-map{
  position:relative;width:100%;aspect-ratio:16/10;border-radius:var(--r-md);
  overflow:hidden;border:1px solid var(--glass-line);
}
.hth-map img{width:100%;height:100%;object-fit:cover;filter:saturate(.9) brightness(.9);}
.hth-map figcaption{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(0deg,rgba(7,13,24,.9),transparent);
  padding:16px;font-size:13px;color:var(--text-2);
}
.hth-callout{
  display:none;align-items:center;gap:10px;
  margin-top:16px;padding:13px 16px;border-radius:var(--r-sm);
  background:rgba(0,227,166,.12);border:1px solid rgba(0,227,166,.32);
  color:var(--brand);font-size:14px;
}
.hth-callout.is-show{display:flex;}
.hth-cta{
  background:linear-gradient(110deg,rgba(0,227,166,.14),rgba(40,200,255,.06) 55%,rgba(255,90,43,.10));
  border:1px solid var(--glass-line);
  border-radius:var(--r-lg);
  padding:clamp(28px,3.4vw,46px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.08);
}
.hth-cta h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
.hth-cta p{font-size:15px;color:var(--text-2);margin:0;max-width:640px;}
.hth-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ Footer ============ */
.hth-footer{
  background:linear-gradient(180deg,rgba(12,21,38,.9),#050A13);
  border-top:1px solid var(--glass-line);
  padding:clamp(46px,5vw,72px) 0 0;
  margin-top:20px;
}
.hth-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.hth-footer h4{font-size:16px;margin-bottom:18px;}
.hth-footer p{font-size:13.8px;color:var(--text-2);line-height:1.85;}
.hth-footer-brand{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.hth-footer-brand li{display:flex;gap:10px;font-size:13.5px;color:var(--text-2);align-items:center;}
.hth-footer-brand li i{color:var(--brand);font-size:13px;}
.hth-footer-links{display:flex;flex-direction:column;gap:11px;}
.hth-footer-links a{font-size:13.8px;color:var(--text-2);display:inline-flex;gap:9px;align-items:center;}
.hth-footer-links a i{font-size:10px;color:var(--text-3);transition:transform .22s var(--ease),color .22s var(--ease);}
.hth-footer-links a:hover{color:var(--brand);}
.hth-footer-links a:hover i{color:var(--brand);transform:translateX(3px);}
.hth-footer-bottom{
  margin-top:clamp(30px,4vw,48px);
  border-top:1px solid rgba(120,215,255,.10);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.hth-footer-bottom .hth-footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}
.hth-backtop{
  position:fixed;right:22px;bottom:26px;z-index:120;
  width:46px;height:46px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass-2);border:1px solid var(--glass-line);color:var(--brand);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease),box-shadow .26s var(--ease);
}
.hth-backtop.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.hth-backtop:hover{box-shadow:0 10px 26px rgba(0,227,166,.24);border-color:var(--glass-line-2);}

/* ============ Responsive ============ */
@media screen and (max-width:1439px){
  .grid-container.hth-container{max-width:1240px;}
}
@media screen and (max-width:1023px){
  .grid-container.hth-container{padding-left:22px;padding-right:22px;}
  .hth-search{display:none;}
  .hth-burger{display:flex;}
  .hth-header-actions .hth-btn-ghost{display:none;}
  .hth-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hth-timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 0;}
  .hth-step::before{display:none;}
  .hth-step{padding-left:0;}
  .hth-faq-wrap{grid-template-columns:1fr;gap:28px;}
  .hth-contact-grid{grid-template-columns:1fr;gap:26px;}
  .hth-footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .hth-feature-body{padding:20px 0 0;}
}
@media screen and (max-width:767px){
  .hth-hero-inner{padding-top:34px;padding-bottom:34px;gap:26px;}
  .hth-hero-stats{flex:1 1 100%;min-width:0;}
  .hth-news{grid-template-columns:1fr;}
  .hth-form-row{grid-template-columns:1fr;}
}
@media screen and (max-width:520px){
  .grid-container.hth-container{padding-left:18px;padding-right:18px;}
  body{font-size:15.5px;}
  .hth-logo-text{font-size:17px;}
  .hth-header-inner{gap:14px;min-height:64px;}
  .hth-cards{grid-template-columns:1fr;}
  .hth-timeline{grid-template-columns:1fr;gap:24px 0;}
  .hth-row{flex-wrap:wrap;gap:10px;padding:16px;}
  .hth-row-meta{width:100%;}
  .hth-row-num{flex:0 0 32px;}
  .hth-feature-media{flex:1 1 100%;min-width:0;}
  .hth-footer-grid{grid-template-columns:1fr;}
  .hth-stat b{font-size:24px;}
  .hth-hero-actions .hth-btn{flex:1 1 auto;justify-content:center;}
  .hth-faq-a-inner{padding-left:20px;}
}